Abrégé

A water path system of a water softener, a control method, and a water softener, the water path system of a water softener comprising: a salt tank (11); a resin tank (12); a salt suction channel (13), a first water inlet channel (14), and a confluence channel (15), a water inlet end of the salt suction channel (13) communicating with the salt tank (11), and a water outlet end of the salt suction channel (13) merging with a water outlet end of the first water inlet channel (14) and communicating with the resin tank (12) via the confluence channel (15); a water pump (16), which is disposed at the salt suction channel (13) and which is used to pump out a liquid from the salt tank (11) and cause said liquid to flow along the salt suction channel (13); and a flow restricting member (17), which is disposed at the first water inlet channel (14) and which is used to restrict the liquid flow delivered by the first water inlet channel (14). The described water path system of a water softener can improve the stability of regeneration performance.

Classes IPC  ?

• C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions
• B01J 49/75 - Régénération ou réactivation des échangeurs d'ions; Appareillage à cet effet d'adoucisseurs d'eau
• B01J 49/85 - Dispositifs de commande ou de régulation à cet effet

Abrégé

A soft water valve (100) and a water softener, the soft water valve comprising: a valve body (10), which is provided with a valve cavity (11), a water inlet channel (12), a water outlet channel (13), a first water conduit (14) and a second water conduit (15), the first water conduit and the second water conduit being used for communicating with a resin tank (200); a valve core assembly, which comprises a plunger (21) provided in the valve cavity, a hollow channel (211) being provided in the plunger, and the plunger having a first position and a second position, wherein switching between a water softening path and a direct water supply water path can be achieved by means of the first position and the second position; a water path plate (30), which is disposed on an outer side of the valve body, the water path plate being provided with a first interface (31), a second interface (32), a third interface (33), and a plurality of water paths required for implementing a regeneration function being formed within the water path plate; and a control valve assembly, which is disposed on the water path plate and which is used for controlling switching among the plurality of water paths in the water path plate. The soft water valve can shorten the operating distance of the plunger, reduce stop positions, and reduce requirements for manufacturing precision and motion control precision.

Classes IPC  ?

• F16K 11/07 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
• C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions
• B01J 49/75 - Régénération ou réactivation des échangeurs d'ions; Appareillage à cet effet d'adoucisseurs d'eau

Abrégé

A water path system of a water softener, a salt dissolving control method and the water softener. The water path system of the water softener comprises: a salt box (11); a salt dissolving water path (101) having a water inlet end and a water outlet end respectively communicated with the salt box (11) to form a circulating salt dissolving loop; a water pump (16) provided in the salt dissolving water path (101) and used for extracting brine in the salt box (11) and flowing same via the salt dissolving water path (101); and a first detection unit (35) provided in the salt dissolving water path (101) and used for detecting the salt concentration of a solution passing through the salt dissolving water path (101). The salt concentration of the solution can be monitored in the salt dissolving process, and it is guaranteed that each salt dissolving can reach the preset salt concentration in the shortest time, and the salt can be saved to a certain extent.

Classes IPC  ?

• C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions
• B01J 49/75 - Régénération ou réactivation des échangeurs d'ions; Appareillage à cet effet d'adoucisseurs d'eau

Abrégé

A water path system of a water softener, a regeneration control method, and a water softener. The water path system of the water softener comprises: a salt box (11); a resin tank (12); a salt suction channel (13), a first water inlet channel (14) and a confluence channel (15), a water inlet end of the salt suction channel (13) being communicated with the salt box (11), and a water outlet end of the salt suction channel (13) and a water outlet end of the first water inlet channel (14) converging and being communicated with the resin tank (12) by means of the confluence channel (15); a flow adjusting unit, configured to adjust an output flow of at least one of the salt suction channel (13) and the first water inlet channel (14); a detection unit, provided in the confluence channel (15) and configured to measure the flow and/or concentration of a liquid passing through the confluence channel (15); and a controller, the flow adjusting unit and the detection unit being separately electrically connected to the controller, and the controller being configured to control, according to information fed back by the detection unit, the flow adjusting unit to adjust the flow. A regeneration effect can be adjusted by controlling and adjusting the concentration of a regeneration liquid and a flow rate of the regeneration liquid in real time, and different use requirements are satisfied.

Classes IPC  ?

• C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions
• B01J 49/75 - Régénération ou réactivation des échangeurs d'ions; Appareillage à cet effet d'adoucisseurs d'eau

Abrégé

A heat pump dishwasher (100), comprising a chassis (1) and a heat pump system. A liquid collection tank (a) is provided on the upper side of the chassis (1); the heat pump system comprises an evaporator (21) and a compressor (22); the evaporator (21) and the compressor (22) are both mounted on the chassis (1) and the compressor (22) is mounted in the liquid collection tank (a). According to the present invention, convergence of condensed water is achieved, and corrosion of the liquid collection tank and the effect on work of electrical elements caused by long-time presence of the condensed water in the liquid collection tank for a long time are also avoided.

Classes IPC  ?

• A47L 15/14 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table à panier à vaisselle fixe et système de pulvérisation à l'intérieur de la cuve de nettoyage

Abrégé

The present application relates to the technical field of household appliances, and provides a food processor and a food processing cup thereof. The food processing cup comprises a container, a first cylinder, a driving assembly, and a transmission assembly. The container comprises a first cavity. The first cylinder is rotatably accommodated in the container and comprises a second cavity communicated with the first cavity. The driving assembly can drive a solid-liquid mixture in the container to circularly flow. A main unit of the food processor drives, by means of the transmission assembly, the first cylinder to rotate, and the solid part in the solid-liquid mixture in the first cylinder is attached to the circumferential inner wall surface of the first cylinder under the action of centrifugal force to implement solid-liquid separation. The solid-liquid mixture circularly flows, so that the solid-liquid mixture in the container can all enter the first cylinder to achieve solid-liquid separation, and finally solid-liquid separation of all the solid-liquid mixture can be achieved. The present application can omit filtering operations.

Classes IPC  ?

• A47J 43/07 - Eléments ou parties constitutives, p.ex. outils pour mélanger ou pour battre
• A47J 43/046 - Machines de ménage non prévues ailleurs, p.ex. pour moudre, mélanger, agiter, pétrir, émulsionner, fouetter ou battre les aliments, p.ex. actionnées par moteur à outils actionnés du côté du fond

Abrégé

Disclosed in the present application are a controller, a control system, and a communication method for a controller. The controller comprises: a control board; a main controller, which is arranged on the control board; a connector, which is arranged on the control board and is used for the plugging of a modular single board; and a data processing unit, which is arranged on the control board and is electrically connected, by means of the connector, to the modular single board that is connected to the connector, wherein the data processing unit is used for configuring, according to the module type of the connected modular single board, a data interface and a communication protocol that correspond to the modular single board, so as to realize information interaction between the main controller and the modular single board.

Classes IPC  ?

• G05B 19/042 - Commande à programme autre que la commande numérique, c.à d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques

Abrégé

Disclosed are a hub motor and a vehicle. The hub motor comprises: a motor housing (10), a motor shaft (20), a motor rotor (30), a motor stator (40), a magnetic gear high-speed rotor (50), a magnetic gear low-speed rotor (60), and a brake (80). The motor shaft (20), the motor rotor (30), the motor stator (40), the magnetic gear high-speed rotor (50), and the magnetic gear low-speed rotor (60) are all disposed in the motor housing (10). The motor rotor (30) is sleeved on the motor stator (40). The motor rotor (30) and the magnetic gear high-speed rotor (50) are disposed in an axial direction of the motor shaft (20) and connected together, and the magnetic gear high-speed rotor (50) is sleeved on the motor shaft (20). The magnetic gear high-speed rotor (50) is provided with a chamber, and the brake (80) is disposed in the chamber and is connected to the motor housing (10) and the motor shaft (20).

Classes IPC  ?

• H02K 49/10 - Embrayages dynamo-électriques; Freins dynamo-électriques du type à aimant permanent

Abrégé

A compressor (100), a temperature control apparatus, a method for controlling a temperature control apparatus, a computer-readable storage medium, and a control device. The compressor (100) comprises a movable disc (120) and a static disc (110), which is opposite the movable disc (120), wherein the static disc (110) meshes with the movable disc (120) to form a compression cavity, the static disc (110) is provided with at least two discharge ports spaced apart from each other, and the discharge ports communicate with the compression cavity, so that the compressor (100) at least has two discharge paths and realizes double discharge. When applied to a temperature control apparatus, the compressor (100) can adapt to two heat exchangers having different operation temperatures, thereby realizing gradient utilisation of energy, facilitating reduction in irreversible loss caused by a temperature difference, and thus improving the energy efficiency.

Classes IPC  ?

• F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c. à d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement

Abrégé

A diaphragm pump comprises a wobble assembly (100), a diaphragm support (30), and a diaphragm valve (40). A wobble plate (20) in the wobble assembly (100) is arranged on a movement support (10). The diaphragm valve (40) is arranged on the diaphragm support (30) and is connected to the wobble assembly (100). When the wobble plate (20) is stationary, the diaphragm valve (40) is located at an initial position, and the initial position is at the middle of two extreme positions to which the wobble assembly (100) can wobble. Further disclosed is a water purifier using the diaphragm pump. The configuration of the diaphragm pump can extend the service life of a diaphragm valve (40).

Classes IPC  ?

• F04B 43/04 - Pompes ayant un entraînement électrique
• F04B 43/02 - "Machines", pompes ou installations de pompage ayant des organes de travail flexibles ayant des organes flexibles du genre plat, p.ex. des diaphragmes

Abrégé

An obstacle avoidance method of a mowing robot, and a mowing robot. The obstacle avoidance method of a mowing robot comprises: a mowing robot obtaining information on an obstacle; determining, on the basis of the information on the obstacle, that the obstacle is a static obstacle or a dynamic obstacle; determining an obstacle avoidance strategy corresponding to the static obstacle or the dynamic obstacle; and performing obstacle avoidance by using the determined obstacle avoidance strategy.

Classes IPC  ?

• A01D 34/00 - Faucheuses; Appareils de fauchage des moissonneuses
• G05D 1/02 - Commande de la position ou du cap par référence à un système à deux dimensions

Abrégé

An object grabbing point estimation method, apparatus and system, a model training method, apparatus and system, and a data generation method, apparatus and system. The data generation method comprises: sampling a grabbing point on the basis of a 3D model of a sample object, and assessing the grabbing quality of the sampled point; and rendering a simulation scene, into which a 3D model of a first object is loaded, so as to generate a sample image for training and target grabbing quality of a pixel point therein. The sample image and the target grabbing quality are taken as training data to train an object grabbing point estimation model, and the trained model is used for estimating an object grabbing point. By means of the embodiments of the present disclosure, automatic labeling of a sample image can be realized, training data can be efficiently generated at high quality, and the estimation precision of a grabbing point is improved.

Classes IPC  ?

• G06N 3/02 - Réseaux neuronaux
• G06T 7/11 - Découpage basé sur les zones
• G06T 17/00 - Modélisation tridimensionnelle [3D] pour infographie
• G06V 10/774 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p.ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]; Séparation aveugle de source méthodes de Bootstrap, p.ex. "bagging” ou “boosting”

Abrégé

A robot control method, comprising: according to acquired positioning information of a tool tail end of a robot and positioning information of a target in a current control period, predicting positioning information of the tool tail end and positioning information of the target in a next control period; and generating a control signal according to a prediction result and sending the control signal to the robot, so that the tool tail end can track the target. The method may improve the control precision of the robot when the frame rate of an image acquisition device is relatively low. Also disclosed are an apparatus and system for implementing the robot control method, and a storage medium.

Classes IPC  ?

• B25J 9/16 - Commandes à programme

Abrégé

Disclosed herein is an electric motor. The electric motor comprises: an electric motor shell (10), an electric motor shaft (20), an electric motor stator (30), an electric motor rotor (40) and a magnetic gear low-speed rotor (50). The electric motor shaft (20), the electric motor stator (30), the electric motor rotor (40) and the magnetic gear low-speed rotor (50) are all arranged in the electric motor shell (10). The electric motor stator (30), the electric motor rotor (40) and the magnetic gear low-speed rotor (50) are arranged in an axial direction of the electric motor shaft (20) and are sleeved on the electric motor shaft (20), and the electric motor rotor (40) is located between the electric motor stator (30) and the magnetic gear low-speed rotor (50).

Classes IPC  ?

• H02K 49/10 - Embrayages dynamo-électriques; Freins dynamo-électriques du type à aimant permanent

Abrégé

A compressor exhaust temperature control method, a control apparatus, a household appliance device, and a computer-readable storage medium. The control method comprises: when it is detected that a compressor is in a target operation stage, obtaining exhaust parameters of the compressor, the exhaust parameters at least comprising the exhaust temperature of the compressor; and adjusting, according to the exhaust temperature and the change trend information of the exhaust parameters, the opening degree of an air induction valve in the target operation stage, thereby adjusting the exhaust temperature of the compressor. The adjustment of the compressor exhaust temperature is made more convenient and accurate.

Classes IPC  ?

• F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F04B 49/22 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes par clapets

Abrégé

The present application discloses an electromagnetic resonance control circuit and an electromagnetic heating device. The electromagnetic resonance control circuit comprises a resonant circuit; and a switch tube connected to the resonant circuit for controlling a working state of the resonant circuit, wherein the resonant circuit at least comprises a first coil, a second coil connected in parallel to the first coil, and resonant capacitors respectively connected in parallel to the first coil and the second coil so as to form a first resonance loop with the first coil and form a second resonance loop with the second coil. In this way, the capacities of the resonant capacitors can be improved when the negative voltage requirements of the resonant capacitors are satisfied, so that the requirement for the voltage withstanding performance of the switch tube can be reduced, and the costs can be saved.

Classes IPC  ?

• H05B 6/06 - Commande, p.ex. de la température, de la puissance

Abrégé

A centrifugal fan (100) and an electrical device (200). The centrifugal fan (100) comprises a volute (110) and a volute tongue (120), wherein the volute tongue (120) and the volute (110) enclose a wind wheel cavity (130) and an air output cavity (140), the wind wheel cavity (130) being configured to allow for installation of a wind wheel (160), and the air output cavity (140) being in communication with the wind wheel cavity (130) and having an air outlet (150); and the volute tongue (120) comprises a wind wheel side wall surface (121) facing the wind wheel (160) and an air output side wall surface (122) facing the air output cavity (140), the air output side wall surface (122) comprising an air output side arc surface (123) connected to the wind wheel side wall surface (121), a step surface (124) extending from the air output side arc surface (123) toward the side that is away from the air output cavity (140), and a flow guide surface (125) extending from the step surface (124) toward an edge of the air outlet (150). The fan has reduced noise.

Classes IPC  ?

• F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
• F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage

Abrégé

An impeller, a centrifugal fan, and a range hood. The impeller (10) is applied to the centrifugal fan (20), and comprises a front disc (100), a rear disc (200), and a blade group (300). The rear disc (200) is spaced apart from the front disc (100). The blade group (300) comprises a plurality of blades (310) connecting the front disc (100) and the rear disc (200), and an air outlet gap (320) is formed between two adjacent blades (310) at intervals. The blades (310) are each provided with a front edge (311) close to the central axis of the impeller (10) and a tail edge (312) distant from the central axis. The front disc (100) is provided with a shielding surface (110), the shielding surface (110) is located on the outer side of the front edge (311) for shielding the end of the air outlet gap (320) close to the front disc (100), and the minimum distance between the shielding surface (110) and the rear disc (200) is smaller than the protruding height of the front edge (311) of each blade relative to the rear disc (200). The impeller inhibits a backflow vortex at the upper ends of the blades, reduces the noise, and improves the smoothness of airflow flowing through the impeller.

Classes IPC  ?

• F04D 29/28 - Rotors spécialement adaptés aux fluides compressibles pour pompes centrifuges ou hélicocentrifuges
• F04D 29/30 - Aubes

Abrégé

A non-stick coating additive, a non-stick coating, and a preparation method therefor and use thereof. The non-stick coating additive comprises a microsphere matrix and protrusions distributed on the surface of the microsphere matrix.

Classes IPC  ?

• C09D 7/65 - Adjuvants macromoléculaires
• C09D 7/61 - Adjuvants non macromoléculaires inorganiques
• C09D 7/62 - Adjuvants non macromoléculaires inorganiques modifiés par traitement avec d’autres composés
• C09D 183/16 - Compositions de revêtement à base de composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement du silicium, avec ou sans soufre, azote, oxygène ou carbone; Compositions de revêtement à base de dérivés de tels polymères dans lesquels tous les atomes de silicium sont liés autrement que par des atomes d'oxygène

Abrégé

The present application discloses a power control circuit and a power control method for an electromagnetic heating device. The power control circuit comprises: a resonant circuit; a control circuit, connected to the resonant circuit and configured to control the resonant circuit to work on the basis of a power control signal; and a detection circuit, connected to a resonant loop of the resonant circuit, connected to the control circuit, and configured to detect an output power of the resonant loop. The control circuit is further configured to adjust the power control signal on the basis of the output power and a target power of the resonant circuit, so as to control the resonant circuit to work by using the adjusted power control signal. In this way, the power control accuracy of the electromagnetic heating device can be improved.

Classes IPC  ?

• H05B 6/06 - Commande, p.ex. de la température, de la puissance

Abrégé

The present application belongs to the technical field of power electronics. Disclosed are a bidirectional power supply, and a method for controlling a bidirectional power supply. The bidirectional power supply comprises a bidirectional alternating-current/direct-current conversion circuit, a bidirectional voltage transformer circuit and a control circuit, wherein the bidirectional alternating-current/direct-current conversion circuit is respectively connected to an alternating-current source and the bidirectional voltage transformer circuit; the bidirectional voltage transformer circuit is connected to a voltage bus of a target device; the control circuit is connected to the bidirectional voltage transformer circuit, and is used for acquiring electrical parameters at the connection position of the bidirectional voltage transformer circuit and the voltage bus, and controlling the electric transmission direction of the bidirectional voltage transformer circuit on the basis of the electrical parameters. The bidirectional power supply provided in the present application can transmit electric energy generated by a target device in a power generation working state into an alternating-current source, and there is no need to configure a discharge resistor, a heat dissipation fan, etc., for the target device, such that the production cost of the target device can be reduced, the size of the target device is reduced, etc.

Classes IPC  ?

• H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs

Abrégé

A laundry treatment device, relating to the technical field of laundry treatment. The laundry treatment device comprises a laundry treatment drum (1), a heat exchanger (2), a water supply assembly (3), first nozzles (4), and second nozzles (5). Air flow for laundry treatment circulates between the heat exchanger (2) and the laundry treatment drum (1). The water supply assembly (3) is used for supplying water for cleaning the heat exchanger (2). The first nozzles (4) are mounted in the water supply assembly (3) to receive the water supplied by the water supply assembly (3), and positions where the spraying directions of the first nozzles (4) intersect with the heat exchanger (2) are first positions. The second nozzles (5) are mounted in the water supply assembly (3) to receive the water supplied by the water supply assembly (3), positions where the spraying directions of the second nozzles (5) intersect with the heat exchanger (2) are second positions, and the first positions are higher than the second positions. By means of the first nozzles (4) and the second nozzles (5), different height positions in the heat exchanger (2) can be cleaned, facilitating the improvement of the effect of cleaning the heat exchanger (2).

Classes IPC  ?

• D06F 58/24 - Agencements pour la condensation

Abrégé

Disclosed are a filtering system and a dishwasher. The filtering system comprises: a housing (1) that is provided with a first cavity, a second cavity, and a channel (2) communicated with the bottom of the first cavity and the bottom of the second cavity; a crushing assembly (3) that is disposed in the first cavity and suitable for crushing a water-residue mixture entering the first cavity; a filtering assembly that is rotatably disposed in the second cavity, and the opening of the filtering assembly facing downwards towards the channel (2); a first suction member (4) that is communicated with the second cavity to suction the crushed water-residue mixture into the filtering assembly by means of the channel (2); and a second suction member that is communicated with the first cavity, when the first suction member (4) stops working, the second suction member being suitable for suctioning residues out of the first cavity and/or the second cavity by means of the channel (2).

Classes IPC  ?

• B02C 18/06 - Désagrégation par couteaux ou autres organes coupants ou déchirants qui transforment le matériau en fragments; Hachoirs ou appareils similaires utilisant des vis ou analogue à couteaux rotatifs
• B01D 29/00 - Filtres à éléments filtrants stationnaires pendant la filtration, p.ex. filtres à aspiration ou à pression, non couverts par les groupes ; Leurs éléments filtrants

Abrégé

A heat exchanger (10), a heat pump system (20) and a dishwasher (200). The heat exchanger (10) comprises: an outer sleeve (11) having two open ends; and at least one flow guide unit group (12) arranged in the outer sleeve (11), wherein a first zigzag flow channel (101) is formed between the outer sleeve (11) and the flow guide unit group (12), with a first fluid flowing through the first zigzag flow channel and flowing from one end of the outer sleeve (11) to the other end thereof; the flow guide unit group (12) comprises a first hollow blade (121), a connecting channel (122), and a second hollow blade (123), which are sequentially arranged in an axial direction of the outer sleeve (11); and the first hollow blade (121), the connecting channel (122) and the second hollow blade (123) are sequentially in communication with each other to form a second zigzag flow channel (102) through which a second fluid flows, with the second fluid flowing from one end of the outer sleeve (11) to the other end thereof.

Classes IPC  ?

• F28D 7/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
• F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p.ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement

Abrégé

A clothes dryer, comprising a volute (9), a fan (8) and a dryer drum (1), wherein the volute (9) is provided with an air inlet (901), an accommodating cavity (902) and an air output section (903); the air output section (903) of the volute (9) is provided with an air outlet (904); the fan (8) is arranged in the accommodating cavity (902) of the volute (9); the air outlet (904) of the volute (9) is in communication with one axial end of the dryer drum (1); the air inlet (901) of the volute (9) is in communication with the other axial end of the dryer drum (1); and pressure relief holes (15, 16) are provided on a positive pressure section between the air inlet (901) of the volute (9) and the other axial end of the dryer drum (1). The clothes dryer can improve the clothes drying effect, thus improving the user experience.

Classes IPC  ?

• D06F 58/00 - Sèche-linge à usage domestique
• D06F 58/10 - Armoires sèche-linge ou séchoirs à linge comportant des moyens de chauffage ou de ventilation

Abrégé

Disclosed in the present application are a heat exchange device and a dishwasher. The heat exchange device comprises an evaporator, a first liquid storage tank, a second liquid storage tank and a power unit, wherein a medium inlet and a medium outlet are formed in the evaporator; the first liquid storage tank is in communication with the medium inlet; the second liquid storage tank is in communication with the medium outlet and the first liquid storage tank; a liquid inlet and a gas discharge port are formed in the second liquid storage tank; and the power unit is arranged between the evaporator and the first liquid storage tank, or between the evaporator and the second liquid storage tank, so as to drive a liquid medium to circularly flow between the first liquid storage tank, the evaporator and the second liquid storage tank. The above solution can greatly reduce the noise generated from heating a refrigerant.

Classes IPC  ?

• F24H 9/1809 - Disposition ou montage des grilles ou des éléments chauffants pour appareils de chauffage de l’eau
• F24H 9/00 - APPAREILS DE CHAUFFAGE DE FLUIDES, p.ex. DE L'AIR OU DE L'EAU, COMPORTANT DES MOYENS DE PRODUCTION DE CHALEUR, p.ex. DES POMPES À CHALEUR, EN GÉNÉRAL - Parties constitutives
• F24H 4/02 - Appareils de chauffage de l’eau
• A47L 15/00 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table

Abrégé

Disclosed is a clothes dryer, belonging to the technical field of household appliances. A drum (300) of the clothes dryer is provided with a dehumidification port (301) to discharge part of low-temperature high-humidity air in the drum (300). An air inlet and an air outlet of an air duct (1000) are respectively communicated with two ends of the drum (300). An evaporator (400), a condenser (500) and a heating induced draft assembly are sequentially arranged in the air duct (1000) in the direction from the air inlet of the air duct (1000) to the air outlet, a fresh air inlet (1200) is provided on the air duct (1000) between the condenser (500) and the heating induced draft assembly, outdoor fresh air is introduced into the air duct (1000) by means of the fresh air inlet (1200), and after being mixed with the working air in the air duct (1000), the mixed air is heated by the heating induced draft assembly and then introduced into the drum (300) to dry the clothes. The clothes dryer can improve the clothes drying efficiency, reduce the clothes drying time, and has good practical value.

Classes IPC  ?

• D06F 58/02 - Sèche-linge à usage domestique avec des tambours tournant autour d'un axe horizontal
• D06F 58/26 - Systèmes de chauffage, p.ex. pour le chauffage au gaz
• D06F 58/20 - Sèche-linge à usage domestique - Parties constitutives des sèche-linge à usage domestique
• D06F 58/24 - Agencements pour la condensation

Abrégé

Disclosed in embodiments of the present application are a metal-organic framework material and a preparation method therefor. The preparation method comprises: S1, mixing an at least bidentate organic ligand, an alkaline compound and water to obtain a mixture; and S2, mixing metal salt, the mixture obtained in step S1 and a unidentate organic ligand, and performing hydrothermal synthesis reaction to form a metal-organic framework material, wherein the metal-organic framework material comprises an at least bidentate organic ligand coordinated to at least one metal ion.

Classes IPC  ?

• C08G 83/00 - Composés macromoléculaires non prévus dans les groupes

Abrégé

A filtering time control method includes testing water quality to obtain a water quality status value, determining whether a current filtration meets requirements. Based on whether the current filtration meets the requirements, setting a duration of the next filtering based on the current filtration duration. Adaptive adjustment of the duration of filtration may ensure a filtering effect while saving water resources.

Classes IPC  ?

• C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
• C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
• B01D 61/02 - Osmose inverse; Hyperfiltration
• B01D 61/12 - Commande ou régulation

Abrégé

A filtering device and a tableware washing apparatus, the filtering device includes a rotary filter and a drive assembly. The rotary filter includes a columnar filtering screen configured to filter water from a washing process of the tableware washing apparatus; wherein a diameter of an external circle defined by each mesh of the columnar filtering screen is between 0.2 to 0.5 mm. The drive assembly is connected to the rotary filter and configured to drive the columnar filtering screen to rotate relative to contents within the columnar filtering screen at a relative speed of 100 to 1000 r/min, for separating at least a portion of residue on the columnar filtering screen from the columnar filtering screen.

Classes IPC  ?

• A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table - Parties constitutives
• B01D 33/11 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p.ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur
• B01D 33/46 - Régénération de la substance filtrante dans le filtre par des racloirs, des brosses ou des dispositifs analogues agissant sur le côté de l'élément filtrant où se trouve le gâteau
• B01D 33/52 - Régénération de la substance filtrante dans le filtre par des forces générées par un mouvement de l'élément filtrant
• B01D 33/80 - Accessoires
• B01D 35/30 - Structure du carter de filtre
• B01D 33/74 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du filtrat
• A47L 15/14 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table à panier à vaisselle fixe et système de pulvérisation à l'intérieur de la cuve de nettoyage
• B01D 29/05 - Filtres à éléments filtrants stationnaires pendant la filtration, p.ex. filtres à aspiration ou à pression, non couverts par les groupes ; Leurs éléments filtrants avec des éléments filtrants plats avec des supports

Abrégé

A blade (1, 1'), comprising a blade body (11). One side of the blade body (11) is provided with a first blade edge (13, 13') extending in the length direction of the blade body (11); the first blade edge (13, 13') comprises a concave arc segment (131); a first end (16) of the blade body (11) in the length direction is provided with a first connection portion (12) configured to be connected to a cutter head (2, 2').

Classes IPC  ?

• A01D 34/73 - Appareils de coupe

Abrégé

A control method for a mowing cutter, the method comprising: determining a target mowing height, the target mowing height being determined at least on the basis of environment information of the environment in which a mowing robot is located; and adjusting the mowing height of a mowing cutter on the basis of the target mowing height.

Classes IPC  ?

• A01D 34/00 - Faucheuses; Appareils de fauchage des moissonneuses
• A01D 34/74 - Réglage de la hauteur de coupe

Abrégé

A cyclone separator (1) and a dishwasher (2), wherein the cyclone separator (1) comprises a first housing (11), a second housing (12), a first filter piece (131), and a back flow part (15). The second housing (12) is provided inside the first housing (11). A waste collection chamber (10) is provided between the second housing (12) and the first housing (11). The first filter piece (131) is provided inside the second housing (12), and the first filter piece (131) encloses and forms a first filter chamber. A flow passage (140) is provided between the first filter piece (131) and the second housing (12). The flow passage (140) is in communication with the first filter chamber by means of filter holes, and the waste collection chamber (10) is in communication with the flow passage (140). An inlet pipe (142) is in communication with the flow passage (140). A flow medium enters the cyclone separator (1) by means of the inlet pipe (142), and forms a cyclone in the flow passage (140). An outlet pipe (143) is in communication with the first filter chamber, and the flow medium exits the cyclone separator (1) by means of the outlet pipe (143). The flow medium flows from the waste collection chamber (10) towards the outlet pipe (143) by means of the back flow part (15), such that pollutants in the flow passage (140) may be collected in the waste collection chamber (10) as much as possible.

Classes IPC  ?

• A47L 15/02 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table à circulation et agitation du liquide de nettoyage dans une cuve de nettoyage contenant un panier fixe
• A47L 15/00 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table
• A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table - Parties constitutives

Abrégé

A handheld vacuum cleaner (400), comprising a vacuum cleaning member (300); a vacuum cleaner rod (200), wherein a first end of the vacuum cleaner rod (200) is connected to the vacuum cleaning member (300), a dust collection port (22) is provided between the first end and a second end of the vacuum cleaner rod (200), and a vacuum cleaning channel (23), which is in communication with the dust collection port (22) and the vacuum cleaning member (300), is formed in the vacuum cleaner rod (200); and a main unit (100), which comprises a dust collection box (12), and a dust box port (111), which is in communication with the dust collection box (12), wherein the dust box port (111) is connected to and is in communication with the dust collection port (22), and the main unit (100) takes the dust collection port (22) as a rotation center and can rotate relative to the vacuum cleaner rod (200) between the first end and the second end of the vacuum cleaner rod (200). In the handheld vacuum cleaner (400), the main unit (100) can rotate to different positions of the vacuum cleaner rod (200), such that the handheld vacuum cleaner is suitable for different usage environments.

Classes IPC  ?

• A47L 5/24 - Aspirateurs tenus à la main
• A47L 9/00 - LAVAGE OU NETTOYAGE DOMESTIQUE; ASPIRATEURS EN GÉNÉRAL - Parties constitutives ou accessoires des aspirateurs, p.ex. moyens mécaniques pour commander l'aspiration ou pour entraîner une action de battement; Dispositifs de rangement spécialement conçus pour les aspirateurs ou les pièces de ceux-ci; Véhicules porteurs spécialement conçus pour les aspirateurs
• A47L 9/28 - Montage de l'équipement électrique, p.ex. adaptation ou fixation à l'aspirateur; Commande des aspirateurs par des moyens électriques
• A47L 9/04 - Buses avec brosses ou agitateurs commandés

Abrégé

Provided is a balance assembly applied in a household appliance. The balance assembly includes: a balancing body having a chamber defined therein; a balancer movably located in the chamber; a first wireless charging assembly; and an energy storage device located outside the balancer and connected to the first wireless charging assembly. The first wireless charging assembly is configured to receive a charging energy wirelessly transmitted by the household appliance. The energy storage device, the first wireless charging assembly, and the balancing body are mounted within a cavity of the household appliance. The chamber has a first conductive structure provided on an inner wall thereof, and the first conductive structure is electrically connected to the energy storage device. The balancer includes a second conductive structure movably connected to the first conductive structure.

Classes IPC  ?

• D06F 37/22 - Supports, p.ex. supports souples, pour le réceptacle rotatif, le moteur, le récipient ou le cuvelage; Prévention ou amortissement des vibrations dans des machines avec un réceptacle tournant ou oscillant autour d'un axe horizontal
• D06F 34/16 - Balourd

Abrégé

A steamer cooking apparatus (200), which relates to the technical field of kitchen appliances. The steamer cooking apparatus (200) comprises: a box body (210), which comprises a cooking cavity (212), the cooking cavity (212) being provided with air holes (2120); an oxygen exhaust device, which is configured to exhaust oxygen within the cooking cavity (212) through the air holes (2120); a steam spraying device (230), which is configured to spray steam (500) into the cooking cavity (212); and a control device (250), which is configured to control the steam spraying device (230) to start after the operation of the oxygen exhaust device is finished. The steamer cooking apparatus (200) can satisfy health requirements for people's cooked food, and also has a high cooking efficiency.

Classes IPC  ?

• A47J 27/04 - Récipients de cuisson pour la cuisson des aliments à la vapeur; Dispositifs pour extraire le jus des fruits au moyen de la vapeur
• A47J 36/24 - Dispositifs de réchauffage
• A47J 27/00 - Récipients de cuisson

Abrégé

Disclosed in the present application are a floor brush assembly and a handheld vacuum cleaner. The floor brush assembly comprises a floor brush body and a nozzle assembly. An accommodating cavity having an opening, and a dust suction port in communication with the accommodating cavity are formed in the floor brush body. The nozzle assembly comprises a plurality of cyclone nozzles, and the nozzle assembly is arranged on the floor brush body, wherein air outlets of the cyclone nozzles are provided facing the opening, and the cyclone nozzles are configured to enable a passing airflow to be in a cyclone state. The present application improves the dust removal efficiency, and reduces damage to a carpet.

Classes IPC  ?

• A47L 9/08 - Buses avec des moyens adaptés de soufflage
• A47L 9/04 - Buses avec brosses ou agitateurs commandés
• A47L 9/00 - LAVAGE OU NETTOYAGE DOMESTIQUE; ASPIRATEURS EN GÉNÉRAL - Parties constitutives ou accessoires des aspirateurs, p.ex. moyens mécaniques pour commander l'aspiration ou pour entraîner une action de battement; Dispositifs de rangement spécialement conçus pour les aspirateurs ou les pièces de ceux-ci; Véhicules porteurs spécialement conçus pour les aspirateurs
• A47L 9/24 - Tuyaux flexibles; Leurs pièces d'assemblage

Abrégé

The present application relates to the technical field of household appliances, and discloses a food processor, a food processor host, and a food processor control method. The food processor comprises a container, a heating assembly, and a first driving assembly. The container is used to hold a food material. The heating assembly can be close to or distant from the container, and the heating assembly can heat the container. The first driving assembly is capable of driving the heating assembly to move. By means of the foregoing manner, when the food processor is in a non-heating state, the heating assembly can be controlled to be distant from the container. In a state in which the heating assembly is distant from the container, even if there is a liquid flowing from the outer wall surface of the container, the liquid will not flow directly onto the heating assembly. The present application can reduce the probability of the heating assembly being stained with liquid, thereby reducing the risk of the heating assembly short-circuiting or being damaged.

Classes IPC  ?

• A47J 43/046 - Machines de ménage non prévues ailleurs, p.ex. pour moudre, mélanger, agiter, pétrir, émulsionner, fouetter ou battre les aliments, p.ex. actionnées par moteur à outils actionnés du côté du fond
• A47J 43/07 - Eléments ou parties constitutives, p.ex. outils pour mélanger ou pour battre
• A47J 43/08 - Mécanismes d'entraînement
• A47J 36/24 - Dispositifs de réchauffage

Abrégé

Provided are a balance assembly and a household appliance. The balance assembly is applied in the household appliance. The balance assembly includes a balancing ring, a balancer, an identification member and a first detection member. The balancing ring has a chamber defined therein. The balancer is movably arranged in the chamber and includes a rotating member and a driving member. The driving member is connected to the rotating member and configured to drive the rotating member to rotate to drive a movement of the balancer within the chamber. A relative movement between the first detection member and the identification member occurs during the movement of the balancer. The first detection member is to detect a number of times of the identification member passing through the first detection member. The number of times of the identification member passing through the first detection member is related to a position of the balancer.

Classes IPC  ?

• D06F 37/22 - Supports, p.ex. supports souples, pour le réceptacle rotatif, le moteur, le récipient ou le cuvelage; Prévention ou amortissement des vibrations dans des machines avec un réceptacle tournant ou oscillant autour d'un axe horizontal

Abrégé

An electric motor and an electrical appliance are provided. The electric motor includes a rotating shaft, a stator, a rotor disposed on the rotating shaft, spaced apart from the stator, and embedded in the stator, a first end cover, and a first bearing. The first bearing includes a first outer ring fixed on the first end cover and insulated from at least part of the first end cover, a first inner ring embedded in the first outer ring, and a first ball disposed between the first outer ring and the first inner ring. The rotating shaft is fixed on the first inner ring and rotationally supported on the first end cover. The part of the first end cover that is insulated from the first outer ring is short-circuited with a stator core of the stator and is grounded.

Classes IPC  ?

• H02K 5/173 - Moyens de support des paliers, p.ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p.ex. des roulements à billes
• H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p.ex. façonnées pour former des boîtes à connexions ou à bornes
• H02K 7/08 - Association structurelle avec des paliers

Abrégé

The present disclosure belongs to the field of purification technology, and disclosed within are a plasma generation module, a purification component, a device, and an air conditioning system. The module comprises: a first electrode, which is a linear structure made from a flexible material; a second electrode, which is a structure made from a flexible material and arranged opposite the first electrode, so that a linear discharge region is formed between the first electrode and the second electrode; and a dielectric layer, which is arranged between the first electrode and the second electrode. By means of the present disclosure, a linear, bendable plasma generation module is formed, which is suitable for different application scenarios.

Classes IPC  ?

• B01D 53/32 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par effets électriques autres que ceux prévus au groupe
• B01D 53/86 - Procédés catalytiques
• H01T 23/00 - Appareils pour la production d'ions destinés à être introduits dans des gaz à l'état libre, p.ex. dans l'atmosphère

Abrégé

Provided is a method for controlling a motor, the method comprising: sequentially executing a Clarke transform and a Park transform on an inputted three-phase input current of a motor, and acquiring a feedback current vector in a rotor dq coordinate system; executing decoupling on an inputted command current vector of the motor in the rotor dq coordinate system and the feedback current vector in the rotor dq coordinate system, and determining a processed voltage as a voltage vector in the rotor dq coordinate system; sequentially executing inverse Park transforms on the voltage vector in the rotor dq coordinate system; performing SVPWM modulation so as to obtain a PWM pulse wave; and inputting the PWM pulse wave into an inverter, and acquiring an input voltage of the motor so as to control the motor. Also provided are a control system and a storage medium.

Classes IPC  ?

• H02P 21/22 - Commande du courant, p.ex. en utilisant une boucle de commande

Abrégé

Provided is a motor control method, comprising: according to a voltage vector under a rotor dq coordinate system and a feedback current vector under the rotor dq coordinate system, using a rotor position estimation algorithm for a discrete-time-based motor model to determine estimation information of a rotor position; determining transformation parameters of Park transformation and inverse Park transformation according to the estimation information of the rotor position; sequentially performing Clark transformation and Park transformation on a three-phase input current to regain the feedback current vector; controlling the current of the regained feedback current vector and an inputted instruction current vector under the rotor dq coordinate system to regain the voltage vector; sequentially performing inverse Park transformation and SVPWM modulation on the regained voltage vector to obtain a PWM pulse wave; and inputting the PWM pulse wave to an inverter to obtain an input voltage of a motor. Meanwhile, further provided are a control system and a storage medium.

Classes IPC  ?

• H02P 27/12 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p.ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions appliquant des impulsions en guidant le vecteur-flux, le vecteur-courant, ou le vecteur-tension sur un cercle ou une courbe fermée, p.ex. pour commande directe du couple
• H02P 21/18 - Estimation de la position ou de la vitesse
• H02P 21/14 - Estimation ou adaptation des paramètres des machines, p.ex. flux, courant ou tension

Abrégé

A heating circuit includes: an inverter circuit, a heating element, a detection element, a first power supply and a second power supply. The first power supply, the heating element and the inverter circuit form a first loop; the second power supply, the detection element and the heating element form a second loop; the first power supply supplies power to the heating element by means of the first loop, and the heating element generates heat on the basis of the power supply of the first power supply; and the second power supply supplies power to the heating element and the detection element by means of the second loop.

Classes IPC  ?

• H05B 6/06 - Commande, p.ex. de la température, de la puissance
• H02M 7/537 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p.ex. onduleurs à impulsions à un seul commutateur

Abrégé

A refrigerator is provided. The refrigerator includes a first fresh-preservation chamber, one or more adsorption towers, a valve, and an air pump. An air inlet of the air pump is in communication with the first fresh-preservation chamber, an air outlet of the air pump is in communication with an air inlet of each of the one or more adsorption towers through an air inlet channel of the valve, and the air inlet of each of the one or more adsorption towers is in communication with the first fresh-preservation chamber through an air outlet channel of the valve.

Classes IPC  ?

• F25D 17/04 - Dispositions pour la circulation des fluides de refroidissement; Dispositions pour la circulation de gaz, p.ex. d'air, dans les enceintes refroidies pour la circulation de gaz, p.ex. convection naturelle
• F25D 29/00 - Disposition ou montage de l'appareillage de commande ou de sécurité
• F25D 17/06 - Dispositions pour la circulation des fluides de refroidissement; Dispositions pour la circulation de gaz, p.ex. d'air, dans les enceintes refroidies pour la circulation de gaz, p.ex. convection naturelle par circulation d'air forcée

Abrégé

A superhydrophobic coating having a three-dimensional porous nanocomposite structure, includes: a constructing unit and a bonding unit; the constructing unit comprises inorganic hydrophobic nanoparticles, the bonding unit comprises hydrophobic polymer nanomicrospheres, and the inorganic hydrophobic nanoparticles and the hydrophobic polymer nanomicrospheres are interconnected to form uniform pores. A method for preparation of the superhydrophobic coating includes: mixing the inorganic hydrophobic nanoparticles with the hydrophobic polymer nanomicrospheres in a dispersant to form a coating solution; and coating the coating solution on the surface of a substrate using a dip coating, roll coating or spray coating process, and drying to form the superhydrophobic coating of a three-dimensional porous nanocomposite structure.

Classes IPC  ?

• C09D 5/00 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produits; Apprêts en pâte
• C09D 7/62 - Adjuvants non macromoléculaires inorganiques modifiés par traitement avec d’autres composés
• C09D 7/40 - Adjuvants
• C09D 7/45 - Agents de suspension
• C09D 7/63 - Adjuvants non macromoléculaires organiques
• C09D 125/06 - Polystyrène
• C09D 133/12 - Homopolymères ou copolymères du méthacrylate de méthyle

Abrégé

Disclosed is a heating detection circuit, comprising: a first power source circuit (11), a first selection circuit (13), a sampling circuit (14) and a first number of heating elements (12), wherein the first number is an integer greater than or equal to 1; the first selection circuit (13) is connected to the first number of heating elements (12) and is used for selecting one of the heating elements (12) to be connected in series to the first power source circuit (11) and the sampling circuit (14), so as to form a detection loop; and the sampling circuit is used for outputting a detection signal, so as to detect the impedance of the heating element (12) in the detection loop. The number of elements in a heating detection circuit can be reduced.

Classes IPC  ?

• H05B 6/06 - Commande, p.ex. de la température, de la puissance
• H05B 6/44 - Agencements des bobines impliquant plusieurs bobines ou segments de bobine

Abrégé

Disclosed in the present application are a box body assembly and a refrigeration apparatus. The box body assembly comprises a box body, a door body blocking an opening of the box body, and a hinge assembly, wherein the door body is provided, at a pivot side, with an inner edge, an outer edge, a first reference plane and a second reference plane; when the door body is in a closed state, the first reference plane passes through the inner edge and is parallel to the plane on which the opening is located, and the second reference plane passes through the outer edge and is perpendicular to the plane on which the opening is located; and when the door body is opened to a first angle relative to the box body from the closed state, the inner edge moves towards the side of the second reference plane facing the opening, the outer edge moves towards the first reference plane, the curvature radius of the track of the inner edge is not less than 100 t, the distance of the inner edge extending beyond the side of the first reference plane that faces the opening is not greater than a first distance, the curvature radius of the track of the outer edge is not less than 5 t, and the distance of the outer edge extending beyond the side of the second reference plane that is away from the opening is not greater than a second distance, t being the thickness of the door body. By means of the box body assembly, the problem of the door body pressing against the box body and extending beyond a side surface of the box body assembly, when the door body is opened, can be eliminated.

Classes IPC  ?

• E05D 3/18 - Charnières ou gonds à broches à plusieurs broches à broches coulissantes ou à glissières
• E05D 7/085 - Charnières, gonds ou pivots de structure particulière utilisées dans les suspensions comportant deux broches placées sur les bords opposés du battant, spécialement en haut et en bas, p.ex. tourillons l'axe de pivotement du battant étant situé à une distance substantielle des bords du battant avec un axe de pivotement mobile avec plusieurs axes de pivotement, p.ex. utilisés simultanément

Abrégé

A box body assembly (100) and a refrigeration apparatus. The box body assembly (100) comprises a box body (11), a door body (12) blocking an opening of the box body, and a hinge assembly (13), wherein the door body (12) is provided, on a pivot side, with an inner edge (122), an outer edge (121), a first reference plane and a second reference plane; when the door body (12) is in a closed state, the first reference plane passes through the inner edge (122) and is parallel to a plane on which the opening is located, and the second reference plane passes through the outer edge (121) and is perpendicular to the plane on which the opening is located; and when the door body (12) is opened to a first angle relative to the box body (11) from the closed state, the inner edge (122) moves towards the side of the second reference plane facing the opening, the outer edge (121) moves towards the first reference plane, the radius of curvature of the track of the inner edge (122) is not less than 100 t, the distance of the inner edge extending beyond the side of the first reference plane that faces the opening is not greater than a first distance, the radius of curvature of the track of the outer edge (121) is not less than 5 t, and the distance of the outer edge extending beyond the side of the second reference plane that is away from the opening is not greater than a second distance, t being the thickness of the door body (12). By means of the box body assembly, the problem of the door body pressing against the box body (11) and extending beyond a side surface of the box body assembly (100), when the door body (12) is opened, can be eliminated.

Classes IPC  ?

• E05D 3/18 - Charnières ou gonds à broches à plusieurs broches à broches coulissantes ou à glissières
• F25D 11/00 - Dispositifs autonomes déplaçables associés à des machines frigorifiques, p.ex. réfrigérateurs ménagers
• F25D 23/00 - Caractéristiques générales de structure
• F25D 23/02 - Portes; Couvercles

Abrégé

A method of identifying a level of doneness of food includes: obtaining an initial food detection image; obtaining a current food detection image; performing a differential fusion operation on the initial food detection image and the current food detection image to obtain a fused food detection image; and inputting the fused food detection image into a predetermined neural network model to obtain the level of doneness of food output by the predetermined neural network model. According to the method, the differential image fusion is performed to reduce an influence on determining the level of doneness of food caused by the initial food detection image, and costs of the device may be reduced.

Classes IPC  ?

• G06V 20/68 - Aliments, p.ex. fruits ou légumes
• G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
• G06V 10/26 - Segmentation de formes dans le champ d’image; Découpage ou fusion d’éléments d’image visant à établir la région de motif, p.ex. techniques de regroupement; Détection d’occlusion
• G06V 10/80 - Fusion, c. à d. combinaison des données de diverses sources au niveau du capteur, du prétraitement, de l’extraction des caractéristiques ou de la classification
• G06V 10/766 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la régression, p.ex. en projetant les caractéristiques sur des hyperplans
• G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques

Abrégé

A box body assembly (100) and a refrigeration apparatus. The box body assembly (100) comprises a box body (11), a door body (12) blocking an opening of the box body, and a hinge assembly (13), wherein the door body (12) is provided, on a pivot side, with an inner edge (122), an outer edge (121), a first reference plane and a second reference plane; when the door body (12) is in a closed state, the first reference plane passes through the inner edge (122) and is parallel to a plane on which the opening is located, and the second reference plane passes through the outer edge (121) and is perpendicular to the plane on which the opening is located; and when the door body (12) is opened to a first angle relative to the box body (11) from the closed state, the inner edge (122) moves towards the side of the second reference plane facing the opening, the outer edge (121) moves towards the first reference plane, the radius of curvature of the track of the inner edge (122) is not less than 100 t, the distance of the inner edge extending beyond the side of the first reference plane that faces the opening is not greater than a first distance, the radius of curvature of the track of the outer edge (121) is not less than 5 t, and the distance of the outer edge extending beyond the side of the second reference plane that is away from the opening is not greater than a second distance, t being the thickness of the door body (12). By means of the box body assembly, the problem of the door body pressing against the box body (11) and extending beyond a side surface of the box body assembly (100), when the door body (12) is opened, can be eliminated.

Classes IPC  ?

• F25D 11/00 - Dispositifs autonomes déplaçables associés à des machines frigorifiques, p.ex. réfrigérateurs ménagers
• F25D 23/02 - Portes; Couvercles
• F25D 23/00 - Caractéristiques générales de structure
• E05D 3/18 - Charnières ou gonds à broches à plusieurs broches à broches coulissantes ou à glissières

Abrégé

Disclosed in the present application are a box body assembly and a refrigeration apparatus. The box body assembly comprises a box body, a door body blocking an opening of the box body, and a hinge assembly, wherein the door body is provided, at a pivot side, with an inner edge, an outer edge, a first reference plane and a second reference plane; when the door body is in a closed state, the first reference plane passes through the inner edge and is parallel to the plane on which the opening is located, and the second reference plane passes through the outer edge and is perpendicular to the plane on which the opening is located; and when the door body is opened to a first angle relative to the box body from the closed state, the inner edge moves towards the side of the second reference plane facing the opening, the outer edge moves towards the first reference plane, the curvature radius of the track of the inner edge is not less than 100 t, the distance of the inner edge extending beyond the side of the first reference plane that faces the opening is not greater than a first distance, the curvature radius of the track of the outer edge is not less than 5 t, and the distance of the outer edge extending beyond the side of the second reference plane that is away from the opening is not greater than a second distance, t being the thickness of the door body. By means of the box body assembly, the problem of the door body pressing against the box body and extending beyond a side surface of the box body assembly, when the door body is opened, can be eliminated.

Classes IPC  ?

• E05D 3/18 - Charnières ou gonds à broches à plusieurs broches à broches coulissantes ou à glissières
• E05D 7/085 - Charnières, gonds ou pivots de structure particulière utilisées dans les suspensions comportant deux broches placées sur les bords opposés du battant, spécialement en haut et en bas, p.ex. tourillons l'axe de pivotement du battant étant situé à une distance substantielle des bords du battant avec un axe de pivotement mobile avec plusieurs axes de pivotement, p.ex. utilisés simultanément
• F25D 23/02 - Portes; Couvercles

Abrégé

The present disclosure provides an air conditioner outdoor unit that includes: a motor having first and second output shafts; a first-stage fan blade connected to the first output shaft; a second-stage fan blade connected to the second output shaft. The motor is configured to drive the first-stage and second-stage fan blades to rotate, and rotation directions of the first-stage and second-stage fan blades are opposite. The motor is located between the first-stage and second-stage fan blades, or on the same side of the first-stage and second-stage fan blades. The outdoor unit is provided with a motor, and first-stage and second-stage fan blades, so that the motor drives the first-stage fan blade to rotate through the first output shaft, and drives the second-stage fan blade to rotate in the opposite direction through the second output shaft. By recovering the rotational energy of the airflow, higher wind pressure is achieved.

Classes IPC  ?

• F24F 1/38 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur - Parties constitutives des ventilateurs des éléments extérieurs, p.ex. orifices d'admission évasés ou supports des ventilateurs
• F24F 1/48 - Agencements des composants dans les éléments extérieurs séparés caractérisés par l'écoulement d'air, p.ex. l'écoulement d'air au niveau de l'orifice d'admission ou de l'orifice de sortie
• F24F 1/16 - Leur agencement ou leur montage
• F24F 1/56 - Carters ou capots des éléments extérieurs séparés, p.ex. grilles de protection de ventilateurs

Abrégé

Disclosed are a semiconductor device, a preparation method therefor and electrical equipment thereof. The semiconductor device includes: a silicon substrate on which an emitter, a gate, and a collector are formed; a bootstrap electrode formed on the silicon substrate; and an insulating layer, formed on the silicon substrate and disposed between the emitter and the bootstrap electrode. A bootstrap capacitor is formed between the emitter and the bootstrap electrode.

Classes IPC  ?

• H01L 23/64 - Dispositions relatives à l'impédance
• H01L 29/40 - Electrodes
• H01L 29/417 - Electrodes caractérisées par leur forme, leurs dimensions relatives ou leur disposition relative transportant le courant à redresser, à amplifier ou à commuter
• H01L 29/66 - Types de dispositifs semi-conducteurs
• H01L 29/739 - Dispositifs du type transistor, c.à d. susceptibles de répondre en continu aux signaux de commande appliqués commandés par effet de champ

Abrégé

A spraying apparatus and a dish-washing machine. The spraying apparatus comprises: a spraying pipe, a water injection nozzle being provided on the spraying pipe; a drive mechanism, the drive mechanism comprising a driving gear and a driven gear engaging with the driving gear, and the driven gear being connected to the spraying pipe to drive the spraying pipe to rotate; a driving mechanism, the driving mechanism being connected to the driving gear to drive the driving gear to rotate. The rotation of the spraying pipe in the spraying apparatus is stable and reliable, and control precision of a spraying region is high.

Classes IPC  ?

• A47L 15/22 - Systèmes de pulvérisation tournants
• A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table - Parties constitutives

Abrégé

A commutation error compensation method for an electric motor includes: when a rotor, that has not been corrected, in an electric motor rotates in a set direction, collecting a position signal and a three-phase current signal of the rotor, wherein the position signal of the rotor represents the rotation angle of the rotor; filtering processing on the three-phase current signal to obtain a fundamental component of the three-phase current signal, and determining a position error compensation signal of the electric motor on the basis of the fundamental component of the three-phase current signal; determining an ideal phase interval of the rotor according to the position error compensation signal and the position signal of the rotor; and determining an adjustment method for the rotor of the electric motor according to the ideal phase interval of the rotor, and commutating the rotor of the electric motor according to the adjustment method.

Classes IPC  ?

• H02P 21/09 - Calcul de l’angle de phase du champ basé sur l’équation de la tension de rotor en additionnant la fréquence de glissement et une fréquence proportionnelle à la vitesse
• H02P 21/18 - Estimation de la position ou de la vitesse
• H02P 21/13 - Commande par observateurs, p.ex. en utilisant des observateurs de Luenberger ou des filtres de Kalman

Abrégé

An air conditioner indoor unit includes: a shell having an air inlet and an air outlet, the air outlet is located at the bottom of the shell; and at least one heat exchanger group. The air flows through the air inlet and is subjected to heat exchange via the at least one heat exchanger group, and then flows out from the air outlet. The heat exchanger group includes: a first heat exchanger; a second heat exchanger arranged to be inclined with respect to a first direction, a lower end portion of the second heat exchanger being connected to an upper end portion of the first heat exchanger; a third heat exchanger spaced apart from the first heat exchanger; and a fourth heat exchanger arranged to be inclined with respect to the first direction.

Classes IPC  ?

• F24F 1/0011 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par les sorties d’air
• F24F 1/0067 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par des échangeurs de chaleur - par la forme des échangeurs de chaleur ou de leurs parties constitutives, p.ex. par la forme de leurs ailettes
• F24F 13/20 - Enveloppes ou couvercles

Abrégé

An insulated gate bipolar transistor includes a semiconductor substrate, and the semiconductor substrate includes: a collector region doped in a first type, wherein the collector region includes a bump region; a first drift region doped in a second type and a second drift region doped in the second type; wherein the first drift region and the second drift region locate on a side of the collector region having the bump region, a profile contour of the first drift region matches a profile contour of the bump region, such that the second drift region does not contact the bump region, and a doping concentration of the first drift region is greater than a doping concentration of the second drift region; and a first active region and a second active region, formed at two opposite ends of the second drift region.

Classes IPC  ?

• H01L 29/739 - Dispositifs du type transistor, c.à d. susceptibles de répondre en continu aux signaux de commande appliqués commandés par effet de champ
• H01L 29/10 - Corps semi-conducteurs caractérisés par les formes, les dimensions relatives, ou les dispositions des régions semi-conductrices avec des régions semi-conductrices connectées à une électrode ne transportant pas le courant à redresser, amplifier ou commuter, cette électrode faisant partie d'un dispositif à semi-conducteur qui comporte trois électrodes ou plus

Abrégé

A cooking device includes a housing and a heating air supply assembly; the housing includes a front housing, a rear housing and a partition plate; the partition plate is matched with the front housing so as to form a cooking cavity, the partition plate is matched with the rear housing so as to form an air supply cavity, and the partition plate is provided with an air supply port and an air return port which are used for communicating the cooking cavity with the air supply cavity; the heating air supply assembly is provided in the air supply cavity further flows back to the air supply cavity by means of air return port.

Classes IPC  ?

• F24C 15/32 - Aménagements des conduits pour gaz chauds, p.ex. dans ou autour des fours de boulangerie
• A47J 37/06 - Rôtissoires; Grils; Grille-sandwiches
• H05B 3/16 - Eléments chauffants caractérisés par la composition ou la nature des matériaux ou par la disposition du conducteur le conducteur étant monté sur une base isolante

Abrégé

The present application relates to a water purification system and a water purification device. The system comprises a water purification assembly, a water outlet assembly and a switch assembly; the water purification assembly comprises a control chip and a booster pump, the water outlet assembly comprises a faucet and a water outlet pipe, the faucet is connected to the water purification assembly by means of the water outlet pipe; the switch assembly comprises at least two gears, the at least two gears comprise a first gear and a second gear, the first gear is used for sending a control signal to the control chip to control the booster pump to rotate at a first rotation speed, so as to control the water purification assembly to output purified water of a first preset flow rate, and the second gear is used for sending a control signal to the control chip to control the booster pump to rotate at a second rotation speed, so as to control the water purification assembly to output purified water of a second preset flow rate, the first rotation speed being greater than the second rotation speed; and the switch assembly is turned on and is used for sending a control signal to the water purification assembly to control the booster pump to rotate at an initial speed, the initial speed of the booster pump being less than the first rotation speed. The service life of the water purification assembly can be prolonged.

Classes IPC  ?

• C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse

Abrégé

Provided is a heat pump type washing device (100), comprising: a base (120), which is provided with an air intake duct (151) and an air outlet duct (152) which communicates with the air intake duct (151), the air intake duct (151) having an air inlet (151a), and the air outlet duct having an air outlet (152a); and a heat pump system (140), which comprises an evaporator (144) which is disposed within the air intake duct (151) and is arranged adjacent to the air inlet (151a), and is used for enabling heat exchange, in the evaporator (144), of an airflow that enters by passing through the air inlet (151a), the airflow after the heat exchange flows out by passing through the air outlet (152a). A plane of the air intake duct (151) at the air inlet (151a) is roughly parallel to a plane of the air outlet duct at the air outlet (152a). The heat pump type washing device is suitable for embedded washing devices.

Classes IPC  ?

• A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table - Parties constitutives
• A47L 15/48 - Dispositifs de séchage
• A47L 15/00 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table

Abrégé

A compressor frequency regulation method, a control apparatus, a heat exchange device, an electronic device and a non-transient computer readable storage medium. The compressor frequency regulation method comprises: acquiring a first exhaust temperature of a compressor operating at a first operating frequency; determining that the first exhaust temperature is greater than or equal to a first preset temperature; controlling the compressor to perform frequency reduction processing, the frequency reduction processing reducing the first operating frequency to a second operating frequency, such that a second exhaust temperature of the compressor operating at the second operating frequency is less than the first preset temperature; and controlling the compressor to operate at the second operating frequency. The compressor frequency regulation method solves the problem of excessive exhaust temperature of the compressor by regulating the frequency of the compressor, ensures the heat exchange efficiency, and also facilitates simplifying the structure of the heat exchange system and suppressing noise.

Classes IPC  ?

• D06F 58/34 - Commande des opérations effectuées dans les sèche-linge à usage domestique caractérisée par sa finalité ou son objet

Abrégé

Disclosed in the present invention are a robot protection system and method. The robot protection system comprises a fence system, an image acquisition system, and a control system; the fence system is configured to define an early warning area and generate an early warning signal in response to an object entering the early warning area, wherein a robot works in the early warning area; the image acquisition system is configured to perform image acquisition on the object entering the early warning area in response to the early warning signal; and the control system is configured to analyze an image acquired by the image acquisition system to determine whether the object is a preset target object, and generate a control signal in response to the object being the target object, to control the robot to execute corresponding protection measures. In this way, the present invention can improve the alarm accuracy.

Classes IPC  ?

• B25J 19/06 - Dispositifs de sécurité
• B25J 9/16 - Commandes à programme

Abrégé

A control method and control device (320) of a laundry treatment apparatus (100'), a controller (30), and the laundry treatment apparatus (100'). The control method of the laundry treatment apparatus (100') comprises: when a laundry treatment apparatus (100') is in a drying mode, controlling the electric heating amount of an electric heating module (10) of the laundry treatment apparatus (100') to be greater than the heating amount of a heat pump system during the entire drying cycle; acquiring the exhaust air temperature of the heat pump system, and comparing the exhaust air temperature with a first safe temperature value of the heat pump system; and when the exhaust air temperature is greater than the first safe temperature value, adjusting the state of the electric heating module (10) and/or the heat pump system until the exhaust air temperature is not greater than the first safe temperature value.

Classes IPC  ?

• D06F 58/36 - Commande des phases de fonctionnement, p.ex. optimisation ou amélioration des phases de fonctionnement en fonction des caractéristiques du linge
• D06F 34/14 - Dispositions de détection ou de mesure de paramètres spécifiques
• D06F 34/04 - Dispositions pour le transfert de signaux ou la transmission de données
• D06F 58/02 - Sèche-linge à usage domestique avec des tambours tournant autour d'un axe horizontal
• D06F 103/50 - Paramètres surveillés ou détectés pour la commande de machines à laver à usage domestique, de machines lavantes-séchantes ou de sèche-linge relatifs aux pompes à chaleur, p.ex. pression ou débit
• D06F 105/26 - Pompes à chaleur
• D06F 105/28 - Chauffage électrique

Abrégé

A cleaning base station (10) and a cleaning system (100). The cleaning base station (10) comprises a supply housing (113), a first pair of rollers (1141) and a cover plate (111); the supply housing (113) is formed with an accommodating space (1133) used for placing a cleaning wipe set (115); the cleaning wipe set (115) is formed from the connection of a plurality of cleaning wipes; the first pair of rollers (1141) is disposed in the accommodating space (1133), and comprises a first roller (1141a) and a second roller (1141b) for use in clamping and conveying cleaning wipes of the cleaning wipe set (115); the cover plate (111) is movably arranged on the supply housing (113); when the cover plate (111) moves relative to the supply housing (113) to open the accommodating space (1133), the first roller (1141a) moves away from the second roller (1141b); and when the cover plate (111) moves relative to the supply housing (113) to close the accommodating space (1133), the first roller (1141a) moves towards the second roller (1141b) so as to clamp and convey the cleaning wipes. The cleaning base station (10) and the cleaning system (100) can automatically provide cleaning wipes for a cleaning robot (20).

Classes IPC  ?

• A47L 11/00 - Machines à nettoyer les planchers, les tapis, les meubles, les murs ou leurs revêtements

Abrégé

The present application provides a fan assembly and a dust collector. The fan assembly comprises: a rotating shaft; a fixing base, the rotating shaft being disposed in the fixing base, and along the axial direction of the rotating shaft, the fixing base comprising a mounting cavity and a diffusion channel which are communicated; a first impeller connected to the rotating shaft, at least a part of the first impeller being disposed in the mounting cavity; and a second impeller connected to the rotating shaft, the second impeller being disposed in the mounting cavity, and along the axial direction of the rotating shaft, the second impeller being located between the first impeller and the diffusion channel. According to the fan assembly provided by the present application, the rotating shaft, the first impeller, and the second impeller are all disposed in the fixing base, so that the fixing base can not only carry the rotating shaft, the first impeller, and the second impeller to achieve the effects of fixing, support, and appearance decoration, but also can achieve the effect of diffusion by means of the diffusion channel. That is, the functions of the fixing base are diversified, and thus the miniaturization and compactness of the structure are achieved.

Classes IPC  ?

• F04D 17/16 - Pompes centrifuges pour déplacement sans compression notable
• F04D 25/00 - Installations ou systèmes de pompage spécialement adaptés aux fluides compressibles

Abrégé

The present application provides a cleaning robot and a cleaning system. The cleaning robot comprises a housing, a cleaning assembly, a detachment member, and a transmission mechanism. A functional cavity and a cleaning opening communicated with the functional cavity are formed on the housing; the cleaning assembly is disposed in the functional cavity and can be extended out of the cleaning opening to fix a cleaning towel; the detachment member is disposed on the housing at a position corresponding to the cleaning opening, and can move relative to the cleaning assembly; the transmission mechanism is disposed in the functional cavity, and is connected to the cleaning assembly or the detachment member; and the transmission mechanism drives the cleaning assembly and the detachment member to move relative to each other so as to enable the cleaning towel to be detached from the cleaning assembly. According to the cleaning robot and the cleaning system provided by the present application, a dirty cleaning towel can be automatically detached, and the degree of intelligence is high.

Classes IPC  ?

• A47L 11/28 - Machines à frotter le plancher, actionnées par moteur
• A47L 11/24 - Machines à balayer le plancher, actionnées par moteur

Abrégé

A cleaning base station (10) and a cleaning system (100). The cleaning base station (10) comprises a base (12) and a supply device (11); the base (12) is used for bearing a cleaning robot (20); the supply device (11) is disposed on the base (12), and the supply device (11) is formed with an accommodating space (1133) and a conveying port (1134) that communicates with the accommodating space (1133); the accommodating space (1133) is used for placing a cleaning wipe set (115) formed by connecting a plurality of cleaning wipes; the supply device (11) is used for conveying the cleaning wipes to the cleaning robot (20) by means of the conveying port (1134); and the cleaning wipes conveyed to the cleaning robot (20) can be separated from the adjacent cleaning wipes under the action of a dissolving agent. The cleaning base station (10) and the cleaning system (100) can automatically provide cleaning wipes for the cleaning robot (20).

Classes IPC  ?

• A47L 11/28 - Machines à frotter le plancher, actionnées par moteur
• A47L 11/40 - Machines à nettoyer les planchers, les tapis, les meubles, les murs ou leurs revêtements - Éléments ou parties constitutives des machines non prévus dans les groupes , ou non limités à un de ces groupes, p.ex. poignées, dispositions des interrupteurs, bords, amortisseurs ou leviers

Abrégé

Provided in the present application are a fan assembly and a vacuum cleaner, the fan assembly comprising: a rotating shaft; a driving component which is disposed on the rotating shaft; a first impeller which is disposed on the rotating shaft and located on one side of the driving component; a diffuser which is disposed on the other side of the driving component; and a second impeller which is disposed on the rotating shaft and located between the driving component and the diffuser, the second impeller being configured to supply air from the first impeller to the diffuser. According to the fan assembly provided in the present application, the first impeller and the second impeller are arranged on two sides of the driving component, which to an extremely large extent improves the stability of the driving component when same drives the rotating shaft to rotate. Moreover, the operating stability of the driving component is also guaranteed, and the fan assembly has the advantages of high air supply efficiency and a small radial size.

Classes IPC  ?

• F04D 25/08 - Ensembles comprenant des pompes et leurs moyens d'entraînement le fluide énergétique étant l'air, p.ex. pour la ventilation

Abrégé

A fan assembly and a vacuum cleaner. The fan assembly comprises: a housing (100) which comprises an air inlet (110) and an air outlet (112) that are communicated with each other; a rotating shaft (200) provided in the housing (100) and extending towards the air outlet (112) from the air inlet (110); a first impeller (300) provided on the rotating shaft (200) and located on one side of the air inlet (110); a diffuser (400) provided in the housing (100) and located on one side of the air outlet (112); and a second impeller (500) provided on the rotating shaft (200) and located between the first impeller (300) and the diffuser (400). According to the fan assembly, the working noise of the fan assembly can be effectively reduced while ensuring the air supply capacity of the fan assembly; the radial size of the fan assembly can be greatly reduced; and the improvement of flowing efficiency of air is ensured.

Classes IPC  ?

• F04D 17/12 - Pompes multiétagées
• F04D 29/28 - Rotors spécialement adaptés aux fluides compressibles pour pompes centrifuges ou hélicocentrifuges
• F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges

Abrégé

The present application relates to the technical field of thermoplastic elastomer materials, and in particular, to a sealing material and a preparation method therefor, and a sealing strip. The sealing material provided by the present application comprises a main material and an auxiliary agent. The main material consists of PP and PE in a mass ratio of (10-40):(10-30). The auxiliary agent comprises a hardness modifier, and the hardness modifier is one or a combination of POE, EVA, EAA, or EMA. The sealing material provided by the present application has the advantages of small odor, good heat insulation, excellent aging resistance, convenient processing, low cost and the like, and is suitable for preparing sealing strips of refrigeration devices such as refrigerators and freezers. The odor of the sealing strip can be remarkably reduced while effectively improving the heat insulation effect of the existing sealing strip, the aging resistance of the sealing strip is improved, the energy consumption of the refrigeration device is greatly reduced, the service life can reach more than 10 years, and the sealing strip has good popularization value and application prospect.

Classes IPC  ?

• C08L 23/08 - Copolymères de l'éthylène
• C08K 3/016 - Agents ignifugeants

Abrégé

The present application provides an indoor air-conditioning unit and an air conditioner. The indoor air-conditioning unit comprises a housing, a first heat exchange portion, a second heat exchange portion, a jet assembly, and a mounting base. The housing comprises an air inlet, an air outlet, a first cavity, and a second cavity; the first cavity and the second cavity are both communicated with the air inlet and the air outlet; the first heat exchange portion is disposed in the first cavity and the second cavity; the second heat exchange portion is disposed in the first cavity and the second cavity; the jet assembly is disposed in the second cavity; the air inlet end of the jet assembly is communicated with the air inlet by means of the first heat exchange portion, and the air outlet end of the jet assembly is communicated with the air outlet. The present application increases the overall space utilization rate, reduces the overall space occupancy rate of the indoor air-conditioning unit, implements mutual superposition of an active heat exchange mode and a natural convection heat exchange mode, achieves a gain effect, and also enhances the heat exchange effect in a jet active mode.

Classes IPC  ?

• F24F 1/0007 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs
• F24F 1/0067 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par des échangeurs de chaleur - par la forme des échangeurs de chaleur ou de leurs parties constitutives, p.ex. par la forme de leurs ailettes
• F24F 1/0035 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par l’entrée d’air extérieur dans la pièce

Abrégé

An air conditioner indoor unit (1) and an air conditioner. The air conditioner indoor unit (1) comprises: a housing (10), wherein the housing (10) comprises an air inlet (12) and an air outlet (14), and the air outlet (14) is located at the bottom of the housing (10); and at least one heat exchanger set, wherein air flows through the air inlet (12), is subjected to heat exchange by means of the at least one heat exchanger set, and then flows out of the air outlet (14). Any one of the at least one heat exchanger set comprises: a first heat exchanger (20); a second heat exchanger (22), wherein the second heat exchanger (22) is arranged to be oblique relative to a first direction, and the lower end of the second heat exchanger (22) is connected to the upper end of the first heat exchanger (20); a third heat exchanger (24), wherein the third heat exchanger (24) and the first heat exchanger (20) are arranged at an interval; and a fourth heat exchanger (26), wherein the fourth heat exchanger (26) is arranged to be oblique relative to the first direction, and the lower end of the fourth heat exchanger (26) is connected to the upper end of the third heat exchanger (24), the first direction being the direction of gravity.

Classes IPC  ?

• F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale

Abrégé

An air conditioner indoor unit and an air conditioner, the air conditioner indoor unit (1) comprising: a housing (10), wherein an air inlet (14) and an air outlet (16) are disposed on the housing (10), the air outlet (16) is disposed at the bottom of the housing (10) along a first direction, a first cavity (1012) and a second cavity (1014) are disposed in the housing (10), and the first cavity (1012) and the second cavity (1014) are distributed along the first direction; a first heat exchange part (11), which is disposed in the first cavity (1012); a second heat exchange part (12), which is disposed in the second cavity (1014), the first heat exchange part (11) and the second heat exchange part (12) being distributed along the first direction; and a jet flow device (13), wherein the jet flow device (13) is disposed in the housing (10), and the jet flow device (13) comprises an air inlet end and an air outlet end, the air inlet end communicates with the first cavity (1012), and the air outlet end communicates with the second cavity (1014); and the first direction is the direction of gravity.

Classes IPC  ?

• F24F 1/0007 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs
• F24F 1/0067 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par des échangeurs de chaleur - par la forme des échangeurs de chaleur ou de leurs parties constitutives, p.ex. par la forme de leurs ailettes

Abrégé

An air conditioner indoor unit and an air conditioner. The air conditioner indoor unit (1) comprises: a shell (10), the shell (10) comprising a first air inlet (101) and an air outlet (102); a first heat exchanger set (11), which is obliquely arranged in the shell (10) relative to a side wall of the shell (10); and a second heat exchanger set (12), which is obliquely arranged in the shell (10) relative to a side wall of the shell (10). The first heat exchanger set (11) and the second heat exchanger set (12) enclose to form a heat exchange chamber, the heat exchange chamber is in communication with the air outlet (102), and the first heat exchanger set (11) and the second heat exchanger set (12) are both in communication with the first air inlet (101).

Classes IPC  ?

• F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale

Abrégé

An air conditioner indoor unit and an air conditioner. The air conditioner indoor unit (100) comprises: a housing (110), which comprises an air inlet (116) and an air outlet (122), the housing (110) being internally provided with a first cavity (112) and a second cavity (114), wherein the first cavity (112) and the second cavity (114) both communicate with the air inlet (116), and the second cavity (114) communicates with the air outlet (122); a first heat exchange unit (130), which is located within the second cavity (114); a second heat exchange unit (140), which is located within the second cavity (114), and which is arranged opposite to the first heat exchange unit (130); a third heat exchange unit (146), which is located within the first cavity (112), the third heat exchange unit (146) and the second heat exchange unit (140) being distributed along a first direction; a jet device (150), which is located in the housing (110), wherein an air inlet end of the jet device (150) communicates with the air inlet (116), an air outlet end of the jet device (150) communicates with the second cavity (114), and the air outlet end is disposed between the upper end part of the first heat exchange unit (130) and the upper end part of the second heat exchange unit (140).

Classes IPC  ?

• F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale

Abrégé

An air conditioner indoor unit (1) and an air conditioner. The air conditioner indoor unit (1) comprises: a housing (10); and a heat exchanger (12) arranged in the housing (10). The heat exchanger (12) comprises a plurality of first heat exchange sections (120) arranged in a wavy shape along a first direction, a heat exchange area is formed between every two adjacent first heat exchange sections (120), and along the first direction, the heat exchanger (12) is provided with first heat exchange areas (122) and second heat exchange areas (124) in sequence; the housing (10) is provided with first air inlets (14) on two first sidewalls (102) which are spaced apart along the first direction, the housing (10) is provided with second air inlets (16) corresponding to the second heat exchange areas (124) on the top wall along a second direction and/or on two second sidewalls (104) which are spaced part along a third direction, and the housing (10) is provided with first air outlets (18) corresponding to the first heat exchange areas (122) on the bottom wall along the second direction.

Classes IPC  ?

• F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale
• F24F 13/24 - Moyens pour éviter ou supprimer le bruit
• F24F 13/30 - Agencement ou montage d'échangeurs de chaleur

Abrégé

A burner (1) and a gas stove comprising the burner (1). The burner (1) comprises a first fire outlet assembly (200), a second fire outlet assembly (300), and a spoiler structure (400); the first fire outlet assembly (200) comprises a first fire outlet part; the first fire outlet assembly (200) is disposed on the peripheral side of the second fire outlet assembly (300), and the second fire outlet assembly (300) comprises a second fire outlet part; the spoiler structure (400) is disposed between the first fire outlet assembly (200) and the second fire outlet assembly (300); and the spoiler structure (400) is configured to enable a partial fire outlet direction of the first fire outlet part and the second fire outlet part to change, so as to achieve the adjustment of the concentration of fire power distribution of the burner (1), thereby meeting the fire demands of a variety of different cooking scenarios.

Classes IPC  ?

• F23D 14/26 - Brûleurs pour la combustion d'un gaz, p.ex. d'un gaz stocké sous pression à l'état liquide avec dispositifs pour retenir la flamme
• F23D 14/58 - Buses caractérisés par la forme ou la disposition de l'orifice ou des orifices des buses, p.ex. en couronne
• F23D 14/70 - Chicanes ou dispositifs analogues pour créer des turbulences
• F23D 14/74 - Dispositifs de sécurité, p.ex. fonctionnant en cas d'interruption de l'alimentation en gaz pour éviter le décollage de flamme

Abrégé

A microwave oven includes a frequency converter, a magnetron, a first conductor, and a second conductor. A power supply end of the fre-quency converter is connected to a power supply end of the magnetron by means of the first conductor, and a ground end of the frequency converter is connected to a ground end of the magnetron by means of the second conductor. The first conductor and a part of the second conductor are arranged in parallel, and the distance between the first conductor and the part of the second conductor is less than a preset distance. In this way, RE of the microwave oven can be reduced, and the microwave oven can thus meet the EMC standards.

Classes IPC  ?

• H05B 6/66 - Circuits
• H05B 6/64 - Chauffage par micro-ondes
• H01J 23/54 - Dispositifs de filtrage empêchant les fréquences ou les modes indésirables d'être couplés dans ou hors du circuit d'interaction; Mesures pour empêcher la déperdition haute fréquence dans l'environnement
• H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques

Abrégé

A stator includes a stator core having a plurality of inner stator teeth and a ring-shaped stator yoke. The plurality of inner stator teeth is arranged on an inner side of the stator yoke at intervals along a circumferential direction of the stator yoke, and extends to a central axis of the stator yoke, so that stator slots are formed between adjacent inner stator teeth; and a first phase winding, a second phase winding, and a third phase winding wound around two adjacent inner stator teeth. Each of the stator slots is divided into an inner space and an outer space along a radial direction of the stator yoke; each of the first phase winding, the second phase winding, and the third phase winding penetrates through inner spaces or outer spaces of the corresponding two stator slots.

Classes IPC  ?

• H02K 1/14 - Noyaux statoriques à pôles saillants
• H02K 1/16 - Noyaux statoriques à encoches pour enroulements
• H02K 3/28 - Schémas d'enroulements ou de connexions entre enroulements
• H02K 1/20 - Parties fixes du circuit magnétique avec des canaux ou des conduits pour l'écoulement d'un agent de refroidissement

Abrégé

A food processor and a container thereof. The container of the food processor comprises: a container body (10) and a first transmission part (11); an accommodating cavity (101) provided with an opening in the upper end is formed in the container body (10), and the first transmission part (11) is fixed relative to the container body (10) and used for driving, under stress, the container body (10) to rotate. Slurry can be centrifuged, so that solid-liquid separation of residues and liquid in the slurry can be achieved, thereby improving the operation convenience and taste.

Classes IPC  ?

• A47J 43/046 - Machines de ménage non prévues ailleurs, p.ex. pour moudre, mélanger, agiter, pétrir, émulsionner, fouetter ou battre les aliments, p.ex. actionnées par moteur à outils actionnés du côté du fond

Abrégé

A heating pump includes a driving electric motor; a pump case, wherein a pump cavity and a heating cavity are defined in the pump case, the pump cavity and the heating cavity are roughly arranged side by side in an axial direction and are in communication by means of a communication channel, and a water inlet and a water outlet are formed in the pump case; an impeller arranged in the pump cavity; and a heating member arranged in the heating cavity. Therefore, not only is the size of the heating pump favorably reduced, the impeller may also be prevented from being radiated at a temperature by the heating member, such that the premature aging of the impeller may be prevented, and thus, the usage performance of the heating pump may be improved.

Classes IPC  ?

• F04D 29/58 - Refroidissement; Chauffage; Réduction du transfert de chaleur
• F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
• F04D 29/043 - Arbres
• A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table - Parties constitutives
• D06F 39/04 - Chauffage

Abrégé

A food processor (1000) and a transmission assembly (260) thereof. The transmission assembly (260) comprises a power introducing member and a first unidirectional rotating member. A part of the power introducing member is used for introducing power from a power source (130), and the other part is used for connecting an operation assembly (250) in a container (220) of the food processor (1000). The first unidirectional rotating member is configured to be connected to the container (220) and the power introducing member, when the power introducing member rotates along a direction, can simultaneously drive the operation assembly (250) and the container (220) to rotate, and when the power introducing member rotates along a direction opposite to the direction, only drives the operation assembly (250) to rotate. By means of the mode, the container (220) of the food processor (1000) can rotate under the driving of the transmission assembly (260) to perform centrifugal treatment on slurry in the container (220), such that residues are attached to a container wall, thereby separating the residues from the slurry, and reducing or even avoiding a filtering operation.

Classes IPC  ?

• A47J 43/046 - Machines de ménage non prévues ailleurs, p.ex. pour moudre, mélanger, agiter, pétrir, émulsionner, fouetter ou battre les aliments, p.ex. actionnées par moteur à outils actionnés du côté du fond
• A47J 43/07 - Eléments ou parties constitutives, p.ex. outils pour mélanger ou pour battre

Abrégé

A food processor (1000), comprising a cup body (110) and a driving member (120). An accommodating cavity (111) having an opening is formed in the cup body (110), and the accommodating cavity (111) is used for accommodating slurry; the driving member (120) can drive the cup body (110) to rotate, and when a rotating speed of the cup body (110) reaches a predetermined rotating speed, at least part of residues in the slurry can be separated.

Classes IPC  ?

• A47J 43/046 - Machines de ménage non prévues ailleurs, p.ex. pour moudre, mélanger, agiter, pétrir, émulsionner, fouetter ou battre les aliments, p.ex. actionnées par moteur à outils actionnés du côté du fond
• A47J 43/07 - Eléments ou parties constitutives, p.ex. outils pour mélanger ou pour battre
• A47J 43/08 - Mécanismes d'entraînement

Abrégé

A noise reduction element (100), comprising at least one noise reduction structure (1). The noise reduction structure (1) comprises a plurality of baffles (11) stacked in a first direction, a serpentine channel (12) is formed among the plurality of baffles, a first port (2) and a second port (3) arranged at intervals in the first direction are formed in the noise reduction structure (1), and the channel is communicated with the first port (2) and the second port (3). A range hood comprising the noise reduction element (100).

Classes IPC  ?

• F24C 15/20 - Elimination des fumées de cuisson

Abrégé

An output control device includes an output component, a first switch and a second switch. The output component includes a first output coil used for controlling, when the first circuit is turned on and the second circuit is not turned on, the first output coil to enter a heating working state, and controlling, when the first circuit is not turned on and the second circuit is turned on, the first output coil to enter a power transmission working state. The first switch is located in the first circuit and used for turning on the first circuit when being closed. The second switch is located in the second circuit and used for turning on the second circuit when being closed.

Classes IPC  ?

• H02J 50/12 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif du type couplage à résonance
• H05B 6/36 - Agencements des bobines
• H05B 6/06 - Commande, p.ex. de la température, de la puissance
• H04B 5/00 - Systèmes de transmission à induction directe, p.ex. du type à boucle inductive

Abrégé

An induction cooktop and a control method for the induction cooktop, the induction cooktop includes: a processing module, a power supply module and a heating module; the power supply module is configured to supply power to the heating module. The heating module includes: a heating circuit configured to heat a pot and a detection circuit connected to the heating circuit. The processing module is configured to acquire a parameter value of a signal collection point of the detection circuit, determine, according to the parameter value, whether the pot is placed on the heating module, and control the heating circuit to heat the pot if it is determined that the pot is placed on the heating module, so as to provide a high heating efficiency.

Classes IPC  ?

• H05B 6/06 - Commande, p.ex. de la température, de la puissance

Abrégé

A range hood (10). The range hood (10) comprises a range hood body (100) and a sound production apparatus (200). The range hood body (100) can form a suction airflow, and the sound production apparatus (200) is provided on a flow path of the suction airflow, so as to produce compensation noise under an excitation action of the suction airflow. The superposition of the compensation noise and noise of the range hood body (100) can increase the amplitude of a noise spectrum of the range hood (10) within a preset frequency band, such that a characteristic loudness ratio and a characteristic loudness change rate of the spectrum of the range hood (10) can be improved, so as to improve the sound quality of the overall noise of the range hood (10); this configuration is easily accepted by users, and thus, an effect of improving the operating environment of the range hood (10) is achieved.

Classes IPC  ?

• F24C 15/20 - Elimination des fumées de cuisson

Abrégé

A circulating oxygen discharge device (20) and a kitchen appliance (1). The circulating oxygen discharge device (20) comprises an air pump (22) and an adsorption tower (21), wherein an air inlet of the air pump (22) is in communication with a fresh-keeping chamber (10); the adsorption tower (21) comprises an air inlet, an air outlet and an oxygen discharge port; the air inlet of the adsorption tower (21) is in communication with an air outlet of the air pump (22); the air outlet of the adsorption tower (21) is in communication with the fresh-keeping chamber (10); and the air pump (22) continuously operates during a period of circulation so as to continuously discharge oxygen out of the fresh-keeping chamber (10).

Classes IPC  ?

• B01D 53/04 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p.ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes

Abrégé

Disclosed in the present application are a noise reduction element, a noise reduction assembly and a range hood. The noise reduction element comprises a cylindrical body and a helical structure. A silencing cavity and a ventilation cavity capable of ventilation are formed on the cylindrical body. The helical structure is provided in the silencing cavity. The ventilation direction of the ventilation cavity is the same as the axis of the helical structure. The noise reduction element of the present application can reduce noise, and can ventilate.

Classes IPC  ?

• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
• F24C 15/20 - Elimination des fumées de cuisson

Abrégé

Disclosed are an air supply mechanism and an air conditioner. The air supply mechanism comprises a primary air supply pipeline, a primary air supply member, a secondary air supply pipeline and a secondary air supply member; the primary air supply pipeline is provided with an air supply channel and a secondary air supply port in communication with the air supply channel; the primary air supply member is arranged corresponding to the primary air supply pipeline, and rotates in a first direction so as to drive a primary airflow to rotate in the first direction and be discharged through the air supply channel; one end of the secondary air supply pipeline is in communication with the secondary air supply port of the primary air supply pipeline; the secondary air supply member is arranged corresponding to the secondary air supply pipeline, and the secondary air supply member drives a secondary airflow to pass through the secondary air supply pipeline, then to be discharged from the secondary air supply port and form a mixed airflow with the primary airflow; and the curl of the mixed airflow is less than or greater than that of the primary airflow. By means of the mode described above, the air supply range of the air supply mechanism can be regulated.

Classes IPC  ?

• F24F 13/04 - Appareils individuels mélangeurs d'air
• F24F 13/06 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p.ex. diffuseur d'air de plafond
• F24F 1/0014 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par les sorties d’air comportant plusieurs orifices de sortie

Abrégé

A cyclone separator, comprising a cyclone generator and a waste collecting box, wherein the cyclone generator comprises a main cylinder body and a flow guide member. The flow guide member is arranged in the main cylinder body, such that a solid-liquid mixture input through an inflow pipe of the main cylinder body is subjected to primary solid-liquid separation between the main cylinder body and the guide member in a cyclone mode. The waste collecting box is arranged at the bottom of the main cylinder body, and is used for enabling solid particles, which have been subjected to the primary solid-liquid separation, to fall into the waste collecting box, and for performing secondary solid-liquid separation in a sedimentation mode. A backflow channel that is respectively in communication with the main cylinder body and the waste collecting box is formed on the flow guide member, such that liquid that has been subjected to the secondary solid-liquid separation flows back to the main cylinder body under the action of a pressure difference, and overflows through an overflow pipe of the main cylinder body after being mixed with a liquid that is obtained after the primary solid-liquid separation. Separated solids can settle at the bottom of the waste collecting box, and separated liquid overflows, thereby realizing solid-liquid separation. The present invention has a good separation effect on solids and liquids, which have a small density difference therebetween, and can be used in tableware washing devices.

Classes IPC  ?

• B04C 5/23 - Appareils dans lesquels la direction axiale du tourbillon est inversée comportant des moyens de nettoyage utilisant des liquides

Abrégé

Provided by the present application are a voice interaction method and a related apparatus, and a method for establishing a correspondence. The voice interaction method comprises: calculating the echo cancellation suppression amount of an original recorded audio and a recorded audio of a voice device to obtain a live echo cancellation suppression amount, wherein the original recorded audio is an audio recorded by the voice device while an original audio is played back by itself, and the recorded audio is an audio obtained after the original recorded audio is processed by an echo cancellation algorithm; and performing voice interaction by using a voice interaction strategy corresponding to the live echo cancellation suppression amount. The present application may improve the effect of voice interaction.

Classes IPC  ?

• G10L 15/22 - Procédures utilisées pendant le processus de reconnaissance de la parole, p.ex. dialogue homme-machine 
• G10L 21/0208 - Filtration du bruit

Abrégé

Disclosed are a management room for a sweeping robot, and a sweeping robot system. The management room comprises a box body, wherein an accommodating cavity is enclosed by the box body, and an opening which is in communication with the accommodating cavity is formed on the box body; and a maintenance module which is arranged in the accommodating cavity and comprises at least two docking portions, wherein a first docking portion in the at least two docking portions is used for docking, in a first direction, with a first functional module that enters the accommodating cavity from the opening, a second docking portion in the at least two docking portions is used for docking, in a second direction, with a second functional module that enters the accommodating cavity from the opening, and the first functional module and the second functional module are functional modules of a sweeping robot. By means of the management room for a sweeping robot and the sweeping robot system in the present application, the management and storage of a first functional module and a second functional module in a sweeping robot are realized.

Classes IPC  ?

• A47L 11/24 - Machines à balayer le plancher, actionnées par moteur
• A47L 11/30 - Machines à frotter le plancher caractérisées par des moyens pour évacuer le liquide sale à aspiration
• A47L 11/40 - Machines à nettoyer les planchers, les tapis, les meubles, les murs ou leurs revêtements - Éléments ou parties constitutives des machines non prévus dans les groupes , ou non limités à un de ces groupes, p.ex. poignées, dispositions des interrupteurs, bords, amortisseurs ou leviers
• A47L 9/00 - LAVAGE OU NETTOYAGE DOMESTIQUE; ASPIRATEURS EN GÉNÉRAL - Parties constitutives ou accessoires des aspirateurs, p.ex. moyens mécaniques pour commander l'aspiration ou pour entraîner une action de battement; Dispositifs de rangement spécialement conçus pour les aspirateurs ou les pièces de ceux-ci; Véhicules porteurs spécialement conçus pour les aspirateurs

Abrégé

A commutation control method, a device for a brushless direct current motor, and a storage medium are described. The method includes performing detection on a position of a rotor in a brushless direct current motor. The detection is further configured to be triggered by commutation of the brushless direct current motor. The method includes determining, for the brushless direct current motor, a first drive scheme corresponding to the detected position of the rotor, the first drive scheme indicates a manner in which a three-phase full-bridge circuit of the brushless direct current motor operates; updating a pulse width modulation (PWM) drive signal, the updating is performed on the basis of the first drive scheme; and using the updated PWM drive signal to control the brushless direct current motor to perform commutation.

Classes IPC  ?

• H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p.ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
• H02P 25/03 - Moteurs synchrones avec excitation sans balai
• H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p.ex. constante de temps du rotor, flux, vitesse, courant ou tension

Abrégé

A determination method and apparatus for a brushless direct current counter-electromotive force zero crossing point threshold and a storage medium, the method includes detecting counter-electromotive force zero crossing point time intervals of two adjacent sectors of a brushless direct current electric motor to obtain at least two first time intervals; utilizing the obtained at least two first time intervals to determine errors of a counter-electromotive force zero crossing point; converging the determined errors of the counter-electromotive force zero crossing point to obtain a counter-electromotive force zero crossing point threshold correction increment; and utilizing the obtained counter-electromotive force zero crossing point threshold correction increment to determine a counter-electromotive force zero crossing point threshold.

Classes IPC  ?

• H02P 6/00 - Dispositions pour commander les moteurs synchrones ou les autres moteurs dynamo-électriques utilisant des commutateurs électroniques en fonction de la position du rotor; Commutateurs électroniques à cet effet
• H02P 6/16 - Dispositions de circuits pour détecter la position
• H02P 6/182 - Dispositions de circuits pour détecter la position sans éléments séparés pour détecter la position utilisant la force contre-électromotrice dans les enroulements

Abrégé

A filtering device and a tableware washing apparatus. The filtering device (10) comprises a rotary filter (300) and a drive assembly (400). The rotary filter (300) comprises a cylindrical filter screen (330), wherein the cylindrical filter screen (330) is used for filtering water to be filtered that is generated after the tableware washing apparatus performs washing, and the diameter of a circumscribed circle defined by meshes of the cylindrical filter screen (330) is 0.2-0.5 mm. The drive assembly (400) is connected to the rotary filter (300) and is used for making the cylindrical filter screen (330) rotate, at a relative speed of 100-1000 r/min, relative to the contents in the cylindrical filter screen (330), so as to separate at least some residue on the cylindrical filter screen (330) from the cylindrical filter screen (330).

Classes IPC  ?

• A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table - Parties constitutives

Abrégé

Provided is a steam apparatus (1), comprising: a case body (10), the case body (10) comprising a working chamber (12), the bottom of the working chamber (12) being provided with an air exhaust vent (14); a steam generator (18), the steam generator (18) being in communication with the working chamber (12), the steam generator (18) being capable of generating steam; a turbulent flow part (80), arranged at the top of the case body (10), located in the working chamber (12), the turbulent flow part (80) being capable of changing the direction of the flow of steam, such that the distribution of the layer of steam entering the working chamber (12) is more uniform. The steam apparatus (1) may also comprise a flow-guiding structure (700), the flow-guiding structure (700) can be arranged in the working chamber (12), the flow-guiding structure (700) comprises an inlet end (702) and an outlet end (704), and the inlet area of the inlet end (702) is greater than the outlet area of the outlet end (704), certain degree of agglomeration of steam; a flow-diverting chamber (20), arranged at the top of the working chamber (12), such that the steam in the flow-diverting chamber (20) is diverted by way of a plurality of second flow-diverting holes (22) in a second flow-diverting plate (30), and then can more uniformly flow into the working chamber (12).

Classes IPC  ?

• A47J 27/04 - Récipients de cuisson pour la cuisson des aliments à la vapeur; Dispositifs pour extraire le jus des fruits au moyen de la vapeur
• A47J 36/00 - MATÉRIEL DE CUISINE; MOULINS À CAFÉ; MOULINS À ÉPICES; APPAREILS À PRÉPARER LES BOISSONS - Éléments, détails ou accessoires des récipients de cuisson
• F24C 1/00 - Poêles ou fourneaux dans lesquels le combustible ou la source d'énergie n'est pas exclusivement un combustible solide ou d'un type couvert par un seul des groupes ; Poêles ou fourneaux dans lesquels le type de combustible ou d'énergie utilisé n'est pas spécifié

Abrégé

Provided are a trench gate IGBT and a device. The trench gate IGBT includes an emitting electrode, a p well region, a gate, a gate oxide layer, a drift region and a back collecting electrode. The gate is located in a trench; the gate is isolated from the emitting electrode, the p well region and the drift region by the gate oxide layer; the trench is disposed inside a substrate; and recesses are provided at the boundary of the trench and the drift region. During switching on and off the trench gate IGBT, an interface between the drift region and a side surface of the trench is provided with recess gate oxide layers, so that electron charges can be restrained and accumulated, and improving the conduction capacity.

Classes IPC  ?

• H01L 29/739 - Dispositifs du type transistor, c.à d. susceptibles de répondre en continu aux signaux de commande appliqués commandés par effet de champ
• H01L 29/423 - Electrodes caractérisées par leur forme, leurs dimensions relatives ou leur disposition relative ne transportant pas le courant à redresser, à amplifier ou à commuter

Abrégé

The present disclosure relates to a power factor correction circuit, a control method, and an electrical appliance. The power factor correction circuit may include: a power regulation branch, including a first switching unit, a second switching unit and a branch sampling resistor connected in series sequentially; an inductive branch, connected between an AC power source and a power regulation branch; a rectifier branch, including a first rectifier unit and a second rectifier unit, the rectifier branch may include a main line sampling resistor; a capacitance branch; a control circuit sampling a branch current flowing through each of the branch sampling resistors and a main line current flowing through the main line sampling resistor respectively, and controlling the switching of each power regulation branch sequentially. With the branch sampling resistor and the main line sampling resistor, the overall cost of the power factor correction circuit may be reduced.

Classes IPC  ?

• H02M 1/42 - Circuits ou dispositions pour corriger ou ajuster le facteur de puissance dans les convertisseurs ou les onduleurs
• H02M 1/00 - APPAREILS POUR LA TRANSFORMATION DE COURANT ALTERNATIF EN COURANT ALTERNATIF, DE COURANT ALTERNATIF EN COURANT CONTINU OU VICE VERSA OU DE COURANT CONTINU EN COURANT CONTINU ET EMPLOYÉS AVEC LES RÉSEAUX DE DISTRIBUTION D'ÉNERGIE OU DES SYSTÈMES D'ALI; TRANSFORMATION D'UNE PUISSANCE D'ENTRÉE EN COURANT CONTINU OU COURANT ALTERNATIF EN UNE PUISSANCE DE SORTIE DE CHOC; LEUR COMMANDE OU RÉGULATION - Détails d'appareils pour transformation