Abrégé

A cyclone separator in a dishwasher includes a first housing, a second housing provided inside the first housing, a first filter piece provided inside the second housing, and a back flow part. A waste collection chamber is provided between the second housing and the first housing. The first filter piece encloses and forms a first filter chamber. A flow passage is provided between the first filter piece and the second housing. The flow passage is in communication with the first filter chamber via filter holes, and the waste collection chamber is in communication with the flow passage. An inlet pipe is in communication with the flow passage. A flow medium enters the cyclone separator via the inlet pipe, and forms a cyclone in the flow passage. An outlet pipe is in communication with the first filter chamber, and the flow medium exits the cyclone separator via the outlet pipe.

Classes IPC  ?

• B04C 9/00 - Combinaisons avec d'autres dispositifs, p.ex. avec des ventilateurs
• A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table - Parties constitutives
• B01D 29/11 - 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 en forme de sac, de cage, de tuyau, de tube, de manchon ou analogue
• B01D 29/64 - 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 29/90 - Filtres à éléments filtrants stationnaires pendant la filtration, p.ex. filtres à aspiration ou à pression, non couverts par les groupes ; Leurs éléments filtrants comportant des dispositifs d'alimentation ou d'évacuation d'alimentation
• B01D 36/04 - Combinaisons de filtres avec des bacs de décantation
• B04C 5/103 - Bâtis ou éléments des appareils, p.ex. volets ou guides
• B04C 5/14 - Structure du guide pour la phase lourde; Structure de l'apex; Aménagement d'évacuation
• B04C 5/30 - Structures de recirculation, à l'intérieur des cyclones ou en coopération avec ceux-ci qui accomplissent une recirculation partielle du milieu, p.ex. au moyen de conduits

Abrégé

The present application provides a heat exchange device and a dishwasher. The heat exchange device includes an evaporator, a first liquid storage tank, a second liquid storage tank and a power unit. A medium inlet and a medium outlet are defined in the evaporator, the first liquid storage tank is in communication with the medium inlet, and 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 defined in the second liquid storage tank. 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.

Classes IPC  ?

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

Abrégé

A plasma generation module includes a first electrode that includes a linear structure of a flexible material; a second electrode having a structure made of a flexible material and is disposed opposite to the first electrode. The first electrode and the second electrode are configured to form a linear discharge region between the first electrode and the second electrode. The plasma generation module includes a dielectric layer provided between the first electrode and the second electrode.

Classes IPC  ?

• A61L 9/18 - Désinfection, stérilisation ou désodorisation de l'air utilisant des phénomènes physiques des radiations
• H05H 1/24 - Production du plasma

Abrégé

A heat exchanger includes an outer sleeve provided with two open ends, and at least one diversion unit group provided in the outer sleeve. A first flow channel is formed between the outer sleeve and the diversion unit group for a first fluid to flow from one end to the other end of the outer sleeve. The diversion unit group includes a first hollow vane, a connecting channel and a second hollow vane sequentially provided along an axial direction of the outer sleeve. The first hollow vane, the connecting channel and the second hollow vane are sequentially connected to form a second flow channel for the second fluid to flow from one end to the other end of the outer sleeve.

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
• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes

Abrégé

A heat pump dishwasher includes a chassis and a heat pump system. A liquid collecting groove is provided at an upper side of the chassis. The heat pump system includes an evaporator and a compressor, both the evaporator and the compressor are installed at the chassis, and the compressor is installed at the liquid collecting groove. Condensed water may be collected, and condensation water may be avoided in the liquid collecting groove and may reduce the corrosion of the liquid collecting groove and may reduce interruptions to the operation of electrical components.

Classes IPC  ?

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

Abrégé

A compressor frequency regulation method includes 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.

Classes IPC  ?

• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• D06F 58/20 - Sèche-linge à usage domestique - Parties constitutives des sèche-linge à usage domestique
• D06F 58/24 - Agencements pour la condensation
• D06F 58/52 - Prévention ou réduction du bruit
• D06F 33/76 - Prévention ou réduction du balourd ou du bruit

Abrégé

A case assembly includes: a case, defining a receiving space having an opening; a door, configured to block the opening; and a hinge assembly, pivotally connect the case to the door. The door has an inner edge, an outer edge, a first reference plane and a second reference plane. When the door is in a closed state, the inner edge is located on and extend along the first reference plane, and the first reference plane is parallel to a plane in which the opening is located. When the door is in a closed state, the outer edge is located on and extend along the second reference plane, and the second reference plane is perpendicular to the plane in which the opening is located, the first reference plane and the second reference plane stay stationary with respect to the case while the door is being opened.

Classes IPC  ?

• E05D 3/18 - Charnières ou gonds à broches à plusieurs broches à broches coulissantes ou à glissières
• F25D 23/02 - Portes; Couvercles
• 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

Disclosed are a case assembly and a refrigeration device. The case assembly includes a case, a door, and a hinge assembly; the door has an outer edge and an inner edge; during the door moves from a closed state to a first opening angle, the outer edge moves toward a first reference plane along a first outer-edge trajectory, and the inner edge moves toward a second reference plane along a first inner-edge trajectory; the first outer-edge trajectory has a radius of curvature greater than or equal to 5t, and a distance exceeding the second reference plane is less than or equal to a first predetermined distance; the first inner-edge trajectory has a radius of curvature greater than or equal to 100t, and a distance exceeding the first reference plane is less than or equal to a second predetermined distance; t is a thickness of the door.

Classes IPC  ?

• F25D 23/02 - Portes; Couvercles

Abrégé

A vacuum cleaner and a fan assembly that includes a shell, a rotation shaft, a first impeller, a diffuser and a second impeller. The shell includes an air inlet and an air outlet in communication with each other. The rotation shaft is arranged in the shell and extends from the air inlet to the air outlet. The first impeller is arranged on the rotation shaft and located at a side of the air inlet. The diffuser is arranged in the shell and located at a side of the air outlet. The second impeller is arranged on the rotation shaft and located between the first impeller and the diffuser. The fan assembly may reduce working noise of the fan assembly while ensuring an air supply capacity of the fan assembly, and may reduce a radial size of the fan assembly, and may improve gas flow efficiency.

Classes IPC  ?

• A47L 5/22 - Caractéristiques de structures des aspirateurs à pompes à air ou compresseurs à moteur, p.ex. fonctionnant par le vide créé par le moteur d'un véhicule à ailettes rotatives
• F04D 1/08 - Pompes multiétagées les étages étant concentriques
• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
• F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs

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

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

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

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

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

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 29/40 - Electrodes
• H01L 23/64 - Dispositions relatives à l'impédance
• 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

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

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 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

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

Abrégé

A heat collecting pump includes: a flow guide member, including a flow guide body and a flow guide blade, wherein the flow guide blade is disposed on an outer peripheral wall of the flow guide body; a heating member, disposed on a periphery of the flow guide member and spaced apart from the flow guide blade. The flow guide blade enables water to flow along the outer peripheral wall of the flow guide body to form a first whirlwind flow and to further form a second whirlwind flow in a gap between the heating member and the flow guide blade. Projections of velocity directions of the first whirlwind flow and the second whirlwind flow on a reference plane perpendicular to the axial direction of the flow guide body are in opposite directions; and the second whirlwind flow removes bubbles gathered on the heating member.

Classes IPC  ?

• F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
• F04D 29/00 - POMPES À DÉPLACEMENT NON POSITIF - Parties constitutives, détails ou accessoires
• F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité

Abrégé

A wireless power transmission system includes: an electrical energy-receiving oscillation circuit including an electrical energy-receiving coil L2 and a compensation capacitor C2 connected in series, the electrical energy-receiving coil L2 sensing an alternating magnetic field and generating an induction current accordingly; a rectifier circuit connected to two ends of the electrical energy-receiving oscillation circuit; and a modulation circuit including multiple modulation sub-circuits, each of the modulation sub-circuits being separately connected to the electrical energy-receiving oscillation circuit, and the modulation circuit receiving a drive signal used to select a modulation sub-circuit matching a power level of a load of the wireless power transmission receiving circuit to operate, and the modulation sub-circuits receive, during a communication process, a communication signal and load the communication signal on a carrier signal to perform modulation.

Classes IPC  ?

• H02J 50/80 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre l’échange de données, concernant l’alimentation ou la distribution d’énergie électrique, entre les dispositifs de transmission et les dispositifs de réception
• 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

Abrégé

A counter-rotating motor and a high speed blender is described. The counter-rotating motor includes a stator, an inverter, an inner rotor and an outer rotor, the stator is provided with an outer winding and an inner winding, and the outer winding and the inner winding have opposite phase sequences, the inverter is connected in parallel with the outer winding and the inner winding to synchronously supply excitation current to the outer winding and the inner winding, the inner rotor is provided in the inner winding and is used for rotating in a first direction under the effect of the inner winding, and the outer rotor is provided in the outer winding and is used for rotating in a second direction opposite to the first direction under the effect of the outer winding.

Classes IPC  ?

• H02K 16/02 - Machines avec un stator et deux rotors
• A47J 43/08 - Mécanismes d'entraînement
• H02K 11/33 - Circuits d’entraînement, p.ex. circuits électroniques de puissance

Abrégé

A contact-type detection electrode for detecting dispersible dirt and a movable electric device are provided. The contact-type detection electrode includes a support, and electrical conductors arranged on the support and being flexible.

Classes IPC  ?

• G01N 27/02 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance
• A47L 11/24 - Machines à balayer 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

A system (10) applied in switch tube for suppressing conducted EMI and a domestic appliance are provided, and the system (10) includes a conduction EMI suppression circuit, an inductive load (1, 71, 81) and at least one switch tube (2, 72, 82). The conducted EMI suppression circuit includes one inductor (3, 73, 83, 123) and an RC circuit (4, 74, 84, 124). The inductor (3, 73, 83, 123) and each switch tube (2, 72, 82) are connected in series. The inductive load (1, 71, 82) and each switch tube (2, 72, 82) are connected. The inductor (3, 73, 83, 123) are connected in series with each switch tube (2, 72, 82), and further connected in parallel with the RC circuit (4. 74, 84, 124). The conduction EMI suppression circuit is configured to suppress conducted EMI generated by each switch tube (2, 72, 82) being turned off.

Classes IPC  ?

• H02P 1/26 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur à induction polyphasé
• H02P 1/32 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur à induction polyphasé par commutation étoile-triangle
• H02P 31/00 - Dispositions pour la régulation ou la commande de moteurs électriques non prévues dans les groupes , ou
• H03H 7/06 - Réseaux à deux accès sélecteurs de fréquence comprenant des résistances

Abrégé

A booster pump and a water purification device. The booster pump comprises: a pump body having an installation chamber extending in a first direction; a motor disposed in the installation chamber, the motor comprising a motor body and a motor shaft passing through two ends of the motor body in the first direction; and a first pump head and a second pump head respectively installed at two ends of the pump body in the first direction, two ends of the motor shaft being drivingly connected to the first pump head and the second pump head, respectively.

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
• F04B 53/14 - Pistons, tiges de piston ou liaisons piston-tige
• C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
• F04B 53/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires non prévus dans les groupes ou ou présentant un intérêt autre que celui visé par ces groupes
• F04B 53/16 - Carcasses d'enveloppe; Cylindres; Chemises de cylindre ou culasses; Connexions des tubulures pour fluide

Abrégé

A system for suppressing the electromagnetic interference of a refrigerant radiator and a household appliance, the system including: a refrigerant radiator, a drive circuit corresponding to the refrigerant radiator, a metal conductor and a filter unit; the metal conductor is separately connected to the filter unit and the refrigerant radiator, the filter unit is connected to the drive circuit, and an electromagnetic interference closed-loop circuit is formed between the refrigerant radiator, the metal conductor, the filter unit and the drive circuit corresponding to the refrigerant radiator.

Classes IPC  ?

• F25D 19/00 - Disposition ou montage des groupes frigorifiques dans les dispositifs
• H03H 7/01 - Réseaux à deux accès sélecteurs de fréquence
• H03H 7/06 - Réseaux à deux accès sélecteurs de fréquence comprenant des résistances

Abrégé

A blade assembly and a food processor having the same are provided. The blade assembly includes an inner blade shaft, an outer blade shaft, an inner joint assembly, and an outer joint assembly. The outer blade shaft is fitted over the inner blade shaft. The inner joint assembly includes an inner blade joint, an inner motor joint, and an inner sealing head. The inner sealing head is connected between the inner blade joint and the inner motor joint, the inner blade joint is connected to the inner blade shaft. The outer joint assembly includes an outer blade joint, an outer motor joint, and an outer sealing head, the outer sealing head is connected between the outer blade joint and the outer motor joint, and the outer blade joint is connected to the outer blade shaft.

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
• A47J 43/08 - Mécanismes d'entraînement

Abrégé

The present disclosure provides a movable electric device. The movable electric device includes a movable device body and a contact detection electrode. The movable device body has an electric drive means. The contact detection electrode is mounted on the movable device body. When the contact detection electrode _contacts diffusible dirt, a resistance, capacitance or impedance of the contact detection electrode varies.

Classes IPC  ?

• 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 11/24 - Machines à balayer le plancher, actionnées par moteur
• G01N 27/04 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance
• G01N 27/22 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la capacité

Abrégé

A filter screen component, a base assembly, a clothes dryer, and a washing and drying integrated machine. The filter screen component comprises a motor and a filter screen part; the filter screen part comprises an annular filter screen body having holes; one end of the filter screen body is connected to a rotary shaft of the motor, and the other end is provided with an opening. The filter screen component, the base assembly, the clothes dryer, and the washing and drying integrated machine can not only effectively filter impurities such as soft flocks in an air flow, but also require, when cleaning the impurities such as soft flocks, no additional cleaning parts or manual cleaning; the cleaning is thoroughly completed.

Classes IPC  ?

• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B01D 46/26 - Séparateurs de particules utilisant des corps filtrants creux et rigides, p.ex. appareils de précipitation de poussières rotatifs
• D06F 58/22 - Agencements pour recueillir la charpie
• D06F 25/00 - Machines à laver à réceptacles, p.ex. perforés, animées d’un mouvement rotatif, p.ex. oscillant, le réceptacle servant aussi bien pour le lavage que pour l’essorage centrifuge, et comportant des moyens de séchage additionnels, p.ex. utilisant de l’ai
• B01D 46/48 - Dépoussiérage autrement que par filtres épurateurs

Abrégé

A counter-rotating fan, comprising two impellers and a motor. The motor is used for driving the two impellers to rotate. The two impellers are axially spaced apart from each other, and are divided into a first-stage impeller and a second-stage impeller. When the counter-rotating fan operates, airflow is blown to the direction of the second-stage impeller by means of the first-stage impeller. At least one impeller has turns of blades arranged in the radial direction of the impeller. Blades of each turn are spaced apart from each other around a hub of the impeller, and a spacer ring is connected between two adjacent turns of blades. The counter-rotating fan is stable in rotation and good in cooling effect, it is not easy to deform, and the wind is strong in the center.

Classes IPC  ?

• F04D 19/02 - Pompes multiétagées
• F04D 25/06 - Ensembles comprenant des pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
• F04D 25/08 - Ensembles comprenant des pompes et leurs moyens d'entraînement le fluide énergétique étant l'air, p.ex. pour la ventilation
• F04D 25/16 - Combinaisons de plusieurs pompes
• F04D 29/32 - Rotors spécialement adaptés aux fluides compressibles pour pompes à flux axial
• F04D 29/58 - Refroidissement; Chauffage; Réduction du transfert de chaleur

Abrégé

A counter-rotating fan, comprising an impeller assembly and an air guide structure. The impeller assembly comprises a first stage impeller and a second stage impeller, of which the rotation directions are opposite. The pressure surfaces of first blades of the first stage impeller are configured to be opposite the suction surfaces of second blades of the second stage impeller, and from the blade root to the blade tip, each of the first blades and the second blades bends toward its own rotation direction. The air guide structure comprises a flow guide cover. The flow guide cover is provided at the center position of the air intake side of the first stage impeller, and the air intake side surface of the flow guide cover at least partially forms a flow guide surface, the flow guide surface extending along the axis of the first stage impeller in the direction away from the counter-rotating fan.

Classes IPC  ?

• F04D 19/02 - Pompes multiétagées
• F04D 25/16 - Combinaisons de plusieurs pompes
• F04D 29/54 - Moyens de guidage du fluide, p.ex. diffuseurs

Abrégé

Provided is a sweeping robot. The sweeping robot includes a chassis and a jet dust raising structure, and the jet dust raising structure is installed on the chassis, the jet dust raising structure has an air inlet, an air outlet and a jet channel connected to the air inlet and the air outlet, the air inlet is configured for air flow into the jet channel, the air outlet is located on a front side of the brush suction port of the sweeping robot.

Classes IPC  ?

• A47L 11/24 - Machines à balayer le plancher, actionnées par moteur
• A47L 5/14 - Caractéristiques de structures des aspirateurs à pompes à air ou compresseurs à moteur, p.ex. fonctionnant par le vide créé par le moteur d'un véhicule nettoyant par ventilation, combiné également avec un nettoyage par aspiration
• A47L 9/04 - Buses avec brosses ou agitateurs commandés
• A47L 9/08 - Buses avec des moyens adaptés de soufflage
• A47L 9/28 - Montage de l'équipement électrique, p.ex. adaptation ou fixation à l'aspirateur; Commande des aspirateurs par des moyens électriques

Abrégé

Disclosed are an electric control assembly and an electrical device. The electric control assembly includes an electric control board and a metal plate arranged on one side of the electric control board in parallel. The electric control board includes a first filter circuit and a power supply line. The power supply line includes a power input terminal, a rectifier circuit, an intelligent power module and a power output terminal. The power input terminal, the rectifier circuit, the intelligent power module and the power output terminal are connected in sequence. A first end of the first filter circuit is connected with the power supply line. The metal plate and the electric control board are arranged at an interval. The metal plate is electrically connected with a shell of the electrical load. A second end of the first filter circuit is electrically connected with the metal plate.

Classes IPC  ?

• H02M 1/44 - Circuits ou dispositions pour corriger les interférences électromagnétiques dans les convertisseurs ou les onduleurs
• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu; Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H02M 1/12 - Dispositions de réduction des harmoniques d'une entrée ou d'une sortie en courant alternatif

Abrégé

A sweeping robot is described. The sweeping robot includes a base plate and a contact-type detection electrode, the contact-type detection electrode is mounted at a front portion of the base plate. When the contact-type detection electrode makes contact with dirt that may be dispersed, the resistance, capacitance or impedance of the contact-type detection electrode changes.

Classes IPC  ?

• 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 11/24 - Machines à balayer le plancher, actionnées par moteur
• G01N 27/02 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance

Abrégé

A movable electronic apparatus includes a mobile apparatus body, a contact-type detection apparatus and a control circuit. The mobile apparatus body is provided with an electrical drive assembly that drives the mobile apparatus body to move; the contact-type detection apparatus is mounted on the mobile apparatus body, and the contact-type detection apparatus is configured and when the contact-type detection apparatus contacts dispersed dirt, an electrical signal outputted by the contact-type detection apparatus changes; the control circuit is mounted on the mobile apparatus body, and the control circuit is configured to determine whether the dispersed dirt is detected according to the magnitude of the amount by which the electrical signal outputted by the contact-type detection apparatus changes, and to control the electrical drive assembly to drive the mobile apparatus body to execute a dirt dispersion prevention action when determined that dirt that may be dispersed is detected.

Classes IPC  ?

• A47L 11/24 - Machines à balayer 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
• G01N 27/22 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la capacité
• G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
• G05D 1/648 - Exécution d’une tâche au sein d’une zone ou d’un espace de travail, p. ex. nettoyage
• G06V 20/10 - Scènes terrestres

Abrégé

A method and apparatus for estimating a rotor position of a motor, and a motor control system. The method includes: obtaining a position error signal by injecting a high-frequency signal into a stator winding of the motor; obtaining a load parameter indicating a load of the motor, obtaining a direct-current component disturbance value according to the load parameter and a first preset relationship, obtaining a harmonic component disturbance value according to the load parameter and a second preset relationship, and obtaining an observer parameter value according to the load parameter and a third preset relationship; compensating the position error signal according to the direct-current component disturbance value and the harmonic component disturbance value to obtain a compensated position error signal; adjusting an observer parameter according to the observer parameter value, and adjusting the compensated position error signal through an adjusted observer to obtain the rotor position and a rotor speed.

Classes IPC  ?

• 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

A spraying apparatus and control method therefor and a dishwasher. The spraying apparatus comprises: a spray pipe, a water injection spray pipe being provided on the spray pipe; a drive mechanism, the drive mechanism comprising a driving gear and multiple driven gears engaging with the driving gear, and the driven gear being connected to the spray pipe to drive the spray pipe to rotate; a drive mechanism, the drive mechanism being connected to the driving gear to drive the driving gear to rotate.

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
• A47L 15/46 - Systèmes de commande automatique des opérations successives du nettoyage
• A47L 15/00 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table
• B05B 1/20 - Tuyaux ou goulottes perforés, p.ex. rampes de pulvérisation; Eléments de sortie pour ces dispositifs
• B05B 1/04 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour produire un jet, un pulvérisat ou tout autre écoulement de forme ou de nature particulière, p.ex. sous forme de gouttes individuelles de forme plane, p.ex. en forme d'éventail, en forme de lame

Abrégé

Provided is a refrigerator, including a freezer compartment, a refrigeration compartment, a drying compartment, an air intake channel, a first sealing apparatus, and a second sealing apparatus. The drying compartment is independently provided within the refrigeration compartment in a sealed manner. The drying compartment is provided with an air inlet and an air outlet. The first sealing apparatus is provided in the drying compartment and can switch between sealing an air outlet of the air intake channel and leaving the air outlet of the air intake channel open. The second sealing apparatus is provided at the air outlet and can switch between sealing the air outlet and leaving the air outlet open. Cooled air in the freezer compartment is introduced into the drying compartment and then mixed with air in the drying compartment, a rise in the temperature of the cooled air allows the relative humidity in the drying compartment to be reduced.

Classes IPC  ?

• 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
• F25D 23/02 - Portes; Couvercles

Abrégé

The method and system disclosed herein present a purification device for purifying air, and an air purifier having the same. The purification device for purifying air comprises a housing, one or more purification assemblies, one or more water inlet pipes, one or more capture assemblies, and an electric motor. The housing is provided with an air inlet and an air outlet. A cavity, in communication with the air inlet and the air outlet, is defined inside the housing. Each of the one or more purification assemblies is rotatably arranged in the cavity, and is located between the air inlet and the air outlet. Each of the one or more capture assemblies is rotatably arranged at a downstream side of the one or more purification assemblies. The electric motor is used for driving the one or more purification assemblies and the one or more capture assemblies.

Classes IPC  ?

• B01D 45/14 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge produite par des pales, disques, tambours ou brosses rotatives
• B01D 47/16 - Dispositifs comportant des moyens rotatifs, autres que des ajutages rotatifs, pour atomiser le liquide épurateur
• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p.ex. appareils de précipitation de poussières
• B01D 46/26 - Séparateurs de particules utilisant des corps filtrants creux et rigides, p.ex. appareils de précipitation de poussières rotatifs
• B01D 47/06 - Nettoyage par pulvérisation

Abrégé

A purification device comprising a housing provided with an air inlet and an air outlet and at least one purifying assembly rotatably arranged in a cavity inside the housing. A respective purifying assembly comprises a first rotary cylinder and a first rotary disk. The first rotary disk is connected downstream of the first rotary cylinder, and a portion of the first rotary disk is provided with a second mesh. The purification device further comprises a water inlet pipe including a water inflow end and a water discharge end that is provided with a plurality of circumferentially distributed water injection nozzles. The purification device further comprises a fan assembly including a fan and a motor. The fan is arranged downstream of the purifying assembly to drive air from the air inlet to the air outlet, and the motor is configured to drive the purifying assembly and the fan into rotation.

Classes IPC  ?

• B01D 47/06 - Nettoyage par pulvérisation
• B01D 45/14 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge produite par des pales, disques, tambours ou brosses rotatives
• B01D 47/16 - Dispositifs comportant des moyens rotatifs, autres que des ajutages rotatifs, pour atomiser le liquide épurateur
• B01D 50/40 - Combinaisons de dispositifs couverts par les groupes et

Abrégé

Disclosed are a capture device for purifying air, a purification device, and an air purifier. The capture device for purifying air includes: a housing and a capture assembly. The housing is provided with an air inlet and an air outlet, wherein a cavity, in communication with the air inlet and the air outlet, is defined inside the housing; and the capture assembly is arranged in the cavity, and is located between the air inlet and the air outlet. The capture assembly includes a first rotating disk, a second rotating disk and a cylinder, wherein both the first rotating disk and the second rotating disk are rotatable and rotate in opposite directions; and the cylinder is disposed between the first rotating disk and the second rotating disk.

Classes IPC  ?

• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B01D 33/00 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration
• B01D 45/14 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge produite par des pales, disques, tambours ou brosses rotatives
• F24F 8/125 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p.ex. par filtrage utilisant un filtrage humide utilisant des éléments filtrants humides
• F24F 8/183 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p.ex. par filtrage par séparation centrifuge, p.ex. en utilisant des tourbillons
• F24F 8/80 - Purificateurs d'air monoblocs
• B01D 47/02 - Séparation de particules dispersées dans l'air, des gaz ou des vapeurs en utilisant un liquide comme agent de séparation par passage de l'air, du gaz ou de la vapeur sur ou à travers un bain liquide
• B01D 47/06 - Nettoyage par pulvérisation
• B01D 50/40 - Combinaisons de dispositifs couverts par les groupes et
• B01D 33/15 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives planes
• B01D 33/42 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration avec plusieurs éléments de filtration caractérisés par leur agencement relatif montés en série disposés de façon concentrique ou coaxiale

Abrégé

An air purifier comprising: a housing provided with air inlets and air outlets and defining an accommodating cavity, wherein the air inlets are located on the side walls of the housing; a water supply module arranged within the accommodating cavity and defining a water storage cavity; a purifying module arranged within the accommodating cavity and located on the water supply module, the purifying module comprising: a purifying assembly rotatably disposed within the accommodating cavity, a water distribution assembly for guiding water in the water supply module to flow upwards and distributing water to the purifying assembly, and a driving device located on the purifying assembly and connected with the purifying assembly; and an air discharge module disposed within the accommodating cavity and located on the purifying module.

Classes IPC  ?

• B01D 47/16 - Dispositifs comportant des moyens rotatifs, autres que des ajutages rotatifs, pour atomiser le liquide épurateur
• A61L 9/14 - Désinfection, stérilisation ou désodorisation de l'air utilisant des substances vaporisées ou pulvérisées
• A61L 9/20 - Désinfection, stérilisation ou désodorisation de l'air utilisant des phénomènes physiques des radiations des ultraviolets
• B01D 46/26 - Séparateurs de particules utilisant des corps filtrants creux et rigides, p.ex. appareils de précipitation de poussières rotatifs
• B01D 47/06 - Nettoyage par pulvérisation
• B01D 53/00 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols
• B01D 53/86 - Procédés catalytiques
• C02F 1/461 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse
• B01D 50/60 - Combinaisons de dispositifs couverts par les groupes et