Abstract

The present application belongs to the technical field of mechanical design. Disclosed are a phase change heat pump system and a terminal device. The phase-change heat pump system comprises a reversing device, a first heat exchanger, a second heat exchanger, a compressor and a phase-change heat exchanger, wherein the compressor, the first heat exchanger and the second heat exchanger are in communication by means of the reversing device. The phase-change heat exchanger comprises a first box body and a phase-change material, wherein the first box body is filled with the phase-change material; and the phase-change heat exchanger is in contact and in thermal communication with the first heat exchanger. When the reversing device is in a first working state, an air suction port is in communication with the first heat exchanger, and an air discharge port is in communication with the second heat exchanger; and when the reversing device is in a second working state, the air suction port is in communication with the second heat exchanger, and the air discharge port is in communication with the first heat exchanger. By using the solution, the first heat exchanger can actively heat the phase-change material, such that, compared with the related art, the solution significantly shortens the regeneration time for the phase-change material, thereby being beneficial to improving the working efficiency of the phase-change heat pump system.

IPC Classes  ?

• F25B 30/02 - Heat pumps of the compression type

Abstract

A method for controlling a dishwasher, and a device (800) and a storage medium, which belong to the technical field of dishwashers. The method comprises: washing tableware in a dishwasher (S501); after a single instance of washing ends, injecting washing water in a sink into an auxiliary heat exchanger (S502); and when a heating end condition for a phase change material is met, discharging the washing water from the auxiliary heat exchanger (S503). A dishwasher in which a phase change material is used to provide heat for an evaporator can normally work. In addition, washing water with residual heat is used to provide heat for the regeneration of the phase change material, which facilitates the recycling of heat and the reduction of energy consumption.

IPC Classes  ?

• A47L 15/00 - Washing or rinsing machines for crockery or table-ware
• A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
• A47L 15/46 - Devices for the automatic control of the different phases of cleaning

Abstract

Disclosed in the embodiments of the present application are a heat exchange system, and a heat pump apparatus. The heat exchange system comprises a throttling unit and a heat exchanger unit; the heat exchanger unit is connected to the side of a throttling outlet of the throttling unit; the heat exchange system is in a first mode, and one part of the heat exchanger unit can absorb heat in an external medium; the other part of the heat exchanger unit can absorb coolness in the external medium. The heat exchange system and the heat pump apparatus provided in the embodiments of the present application can raise the energy efficiency and effectively save energy.

IPC Classes  ?

• F25B 39/04 - Condensers
• F25B 43/00 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
• F25B 41/31 - Expansion valves
• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems

Abstract

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.

IPC Classes  ?

• A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

Abstract

Disclosed in the embodiments of the present application is a control method. The method is used for controlling a BLDCM. A driving circuit of the BLDCM comprises a DC-DC converter and a three-phase inverter. The method comprises: acquiring a target value of a parameter to be controlled of a BLDCM; on the basis of the target value, adjusting both the current duty ratio of a DC-DC converter and the current turning-on length of a switch tube of a three-phase inverter, so as to obtain a target duty ratio of the DC-DC converter and a target turning-on length of the switch tube in the three-phase inverter, wherein the current turning-on length and the target turning-on length are turning-on lengths with respect to an electrical angle of the BLDCM; and controlling the DC-DC converter on the basis of the target duty ratio, and controlling the three-phase inverter on the basis of the target turning-on length, so as to drive the BLDCM. Further disclosed in the embodiments of the present application are a control apparatus and a storage medium.

IPC Classes  ?

• H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
• H02P 21/18 - Estimation of position or speed
• H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage
• H02M 3/155 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
• H02M 7/5387 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
• H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
• H02P 7/28 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices

Abstract

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.

IPC Classes  ?

• A61L 9/18 - Radiation
• H05H 1/24 - Generating plasma

Abstract

An ice making module and an ice making apparatus. The ice making module comprises a housing (100), a heat exchange unit (10) and an ice scraping assembly (20). The heat exchange unit (10) is arranged in the housing (100). The ice scraping assembly (20) is arranged in the housing (100) and comprises a first ice scraper (21) and a second ice scraper (22), the first ice scraper (21) is located on one side of the heat exchange unit (10), and the second ice scraper (22) is located on the side of the heat exchange unit (10) facing away from the first ice scraper (21). The ice making module improves the ice making speed.

IPC Classes  ?

• F25C 1/14 - Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes

Abstract

Provided in the embodiments of the present application are an ice-making module and an ice-making apparatus. The ice-making module comprises a housing, a heat exchange unit and an ice scraping assembly, wherein an ice-making space is provided in the housing; an ice outlet is provided at the bottom of the ice-making space; the heat exchange unit comprises a main heat exchanger arranged in the ice-making space; and the ice scraping assembly is spaced apart from the main heat exchanger. The ice-making module in the embodiments of the present application can make ice rapidly.

IPC Classes  ?

• F25C 1/22 - Construction of moulds; Filling devices for moulds
• F25C 5/12 - Ice-shaving machines
• A61L 2/07 - Steam

Abstract

A force transmission structure (100), a packaging assembly (400), an electrical appliance assembly, a filter screen cover and a home appliance. The force transmission structure (100) comprises a base plate (200), a regular polygonal through hole (300) being provided in the base plate (200). The packaging assembly (400) comprises a plurality of protective members (401), and at least one of the protective members (401) is provided with the force transmission structure (100), such that structural damage caused by energy concentration near corners or damage to a product caused by propagation of excessive elastic waves into a foam body can be avoided, and the packaging assembly (400) can be designed using an extremely thin package cushioning material, thereby reducing the usage amount of a packaging material, reducing the size of a package, increasing the packing volume of a container and reducing the shipping cost.

IPC Classes  ?

• B65D 25/10 - Devices to locate articles in containers
• B65D 81/107 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material
• B65D 81/05 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
• B65D 85/86 - Containers, packaging elements or packages, specially adapted for particular articles or materials for electrical components

Abstract

A force transfer structure, comprising: a coupling member (400), two bodies (200) and two mass blocks (300). The two mass blocks (300) are protrudingly arranged on the two bodies (200), respectively; the coupling member (400) connects the two bodies (200).

IPC Classes  ?

• B65D 81/107 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material
• B65D 81/05 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
• F16F 7/12 - Vibration-dampers; Shock-absorbers using plastic deformation of members

Abstract

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.

IPC Classes  ?

• F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
• F28F 13/08 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels
• F28D 21/00 - Heat-exchange apparatus not covered by any of the groups

Abstract

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.

IPC Classes  ?

• A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

Abstract

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.

IPC Classes  ?

• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• D06F 58/20 - General details of domestic laundry dryers
• D06F 58/24 - Condensing arrangements
• D06F 58/52 - Preventing or reducing noise
• D06F 33/76 - Preventing or reducing imbalance or noise

Abstract

A plasma generation apparatus, a purification apparatus and an electronic device. The plasma generation apparatus comprises a first electrode (100), a dielectric layer (200) and a second electrode (300). The dielectric layer (200) is wound around at least part of the first electrode (100). The second electrode (300) is arranged on the side of the dielectric layer (200) facing away from the first electrode (100), and the second electrode (300) is arranged around at least part of the dielectric layer (200), so that the first electrode (100) and the second electrode (300) are arranged opposite to each other. The dielectric layer (200) is made of a rigid material.

IPC Classes  ?

• H05H 1/24 - Generating plasma
• A61L 9/22 - Ionisation
• F24F 13/28 - Arrangement or mounting of filters

Abstract

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.

IPC Classes  ?

• E05D 3/18 - Hinges with pins with two or more pins with sliding pins or guides
• F25D 23/02 - Doors; Covers
• E05D 7/085 - Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing with a movable pivot axis with two or more pivot axes, e.g. used at the same time

Abstract

A control circuit of a joint module (4), comprising: a filtering integration device (1), a first controller (2) and a second controller (3) which are electrically connected in sequence, wherein the filtering integration device (1) is used for electrically connecting to the joint module (4) and carrying out filtering integration processing on a first position signal and a second position signal to obtain a third position signal, the first controller (2) is used for generating a first speed signal on the basis of the third position signal and a target position signal, and the second controller (3) is used for controlling the joint module (4) on the basis of the first speed signal, a second speed signal and a current signal. The third position signal can accurately reflect a position corresponding to an actually outputted rotation angle of a decelerator (43), so that the deviation between the third position signal and the target position signal can be reduced according to the third position signal, thus accurately controlling the joint module (4), and improving the movement accuracy of the joint module (4). Also provided are a control method for the joint module (4) and a robot.

IPC Classes  ?

• B25J 9/16 - Programme controls

Abstract

The present invention relates to a polymer-MOF composite material, and a preparation method therefor and the use thereof. The polymer-MOF composite material in the examples of the present invention comprises an MOF matrix, wherein one-dimensional pore channels are distributed in the MOF matrix, and are filled with a hydrophilic straight-chain polymer. The present invention further relates to a preparation method for and the use of the polymer-MOF composite material, wherein the use comprises a moisture absorption material, a moisture removal device, a water-making machine, a fresh air ventilator, a clothes dryer, a steam oven and a refrigerator.

IPC Classes  ?

• B01J 20/32 - Impregnating or coating
• B01J 20/26 - Synthetic macromolecular compounds
• B01J 20/28 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01D 53/02 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
• B01D 53/28 - Selection of materials for use as drying agents

Abstract

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.

IPC Classes  ?

• F25D 23/02 - Doors; Covers

Abstract

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.

IPC Classes  ?

• A47L 5/22 - Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
• F04D 1/08 - Multi-stage pumps the stages being situated concentrically
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the like; Balancing
• F04D 29/44 - Fluid-guiding means, e.g. diffusers

Abstract

Embodiments of the present application relate to the technical field of fuel heating, and provide a combustion device and a gas water heater. The combustion device comprises a combustion chamber, and a fire grate at least partially located in the combustion chamber. The fire grate and the combustion chamber define a combustion cavity; there is at least one fire grate; each fire grate is formed with a first receiving cavity, an air supply cavity and groups of material mixing holes; the air supply cavity and the groups of material mixing holes are all located between the first receiving cavity and the combustion cavity; the air supply cavity is separately communicated with the first receiving cavity and the combustion cavity; there are a plurality of groups of material mixing holes corresponding to each fire grate; each group of material mixing holes comprises at least one material mixing hole; the material mixing hole is communicated with the air supply cavity; an opening at the end of the air supply cavity facing the combustion cavity is an air outlet; and along a length direction of the fire grate, the lengths of two adjacent groups of material mixing holes separately to a flow path corresponding to the air outlet are different. The combustion device and the gas water heater provided in the embodiments of the present application can reduce the possibility of thermoacoustic oscillation.

IPC Classes  ?

• F23D 14/02 - Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
• F23D 14/46 - Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid - Details
• F23D 14/62 - Mixing devices; Mixing tubes
• F23D 14/82 - Preventing flashback or blowback
• F24H 9/1836 - Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel

Abstract

Provided are a refrigerator, a thawing device, and a thawing method. The thawing device comprises: a thawing chamber (11) internally provided with a thawing cavity (111), the thawing cavity (111) comprising a thawing area (1111) used for placing food to be thawed, and the wall surface of the thawing area (1111) being a flexible heat conduction piece (112, 113); and a vacuum assembly (12) in communication with the thawing cavity (111) and used for vacuumizing the thawing cavity (111).

IPC Classes  ?

• A23B 4/06 - Freezing; Subsequent thawing; Cooling
• A23B 4/07 - Thawing subsequent to freezing
• A23L 3/365 - Thawing subsequent to freezing
• A23L 3/36 - Freezing; Subsequent thawing; Cooling
• F25D 21/00 - Defrosting; Preventing frosting; Removing condensed or defrost water

Abstract

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.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• B01J 49/75 - Regeneration or reactivation of ion-exchangers; Apparatus therefor of water softeners
• B01J 49/85 - Controlling or regulating devices therefor

Abstract

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.

IPC Classes  ?

• F16K 11/07 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• B01J 49/75 - Regeneration or reactivation of ion-exchangers; Apparatus therefor of water softeners

Abstract

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.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• B01J 49/75 - Regeneration or reactivation of ion-exchangers; Apparatus therefor of water softeners

Abstract

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.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• B01J 49/75 - Regeneration or reactivation of ion-exchangers; Apparatus therefor of water softeners

Abstract

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.

IPC Classes  ?

• A47L 15/14 - Washing or rinsing machines for crockery or table-ware with stationary crockery baskets and spraying devices within the cleaning chamber

Abstract

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.

IPC Classes  ?

• G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Abstract

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).

IPC Classes  ?

• H02K 49/10 - Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type

Abstract

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.

IPC Classes  ?

• A47J 43/07 - Parts or details, e.g. mixing tools, whipping tools
• A47J 43/046 - Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side

Abstract

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.

IPC Classes  ?

• F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet

Abstract

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).

IPC Classes  ?

• F04B 43/04 - Pumps having electric drive
• F04B 43/02 - Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms

Abstract

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.

IPC Classes  ?

• A01D 34/00 - Mowers; Mowing apparatus of harvesters
• G05D 1/02 - Control of position or course in two dimensions

Abstract

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.

IPC Classes  ?

• G06N 3/02 - Neural networks
• G06T 7/11 - Region-based segmentation
• G06T 17/00 - 3D modelling for computer graphics
• G06V 10/774 - Generating sets of training patterns; Bootstrap methods, e.g. bagging or boosting

Abstract

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.

IPC Classes  ?

• B25J 9/16 - Programme controls

Abstract

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).

IPC Classes  ?

• H02K 49/10 - Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type

Abstract

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.

IPC Classes  ?

• F24F 11/86 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
• F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
• F04B 49/22 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by means of valves

Abstract

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.

IPC Classes  ?

• H05B 6/06 - Control, e.g. of temperature, of power

Abstract

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.

IPC Classes  ?

• F04D 29/42 - Casings; Connections for working fluid for radial or helico-centrifugal pumps
• F04D 29/44 - Fluid-guiding means, e.g. diffusers
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the like; Balancing

Abstract

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.

IPC Classes  ?

• F04D 29/28 - Rotors specially adapted for elastic fluids for centrifugal or helico-centrifugal pumps
• F04D 29/30 - Vanes

Abstract

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.

IPC Classes  ?

• C09D 7/65 - Additives macromolecular
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
• C09D 183/16 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers in which all the silicon atoms are connected by linkages other than oxygen atoms

Abstract

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.

IPC Classes  ?

• H05B 6/06 - Control, e.g. of temperature, of power

Abstract

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.

IPC Classes  ?

• H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only

Abstract

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).

IPC Classes  ?

• D06F 58/24 - Condensing arrangements

Abstract

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).

IPC Classes  ?

• B02C 18/06 - Disintegrating by knives or other cutting or tearing members which chop material into fragments; Mincing machines or similar apparatus using worms or the like with rotating knives
• B01D 29/00 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ;   Filtering elements therefor

Abstract

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.

IPC Classes  ?

• F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
• F28F 13/08 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels

Abstract

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.

IPC Classes  ?

• D06F 58/00 - Domestic laundry dryers
• D06F 58/10 - Drying cabinets or drying chambers having heating or ventilating means

Abstract

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.

IPC Classes  ?

• F24H 9/1809 - Arrangement or mounting of grates or heating means for water heaters
• F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL - Details
• F24H 4/02 - Water heaters
• A47L 15/00 - Washing or rinsing machines for crockery or table-ware

Abstract

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.

IPC Classes  ?

• D06F 58/02 - Domestic laundry dryers having dryer drums rotating about a horizontal axis
• D06F 58/26 - Heating arrangements, e.g. gas heating equipment
• D06F 58/20 - General details of domestic laundry dryers
• D06F 58/24 - Condensing arrangements

Abstract

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.

IPC Classes  ?

• C08G 83/00 - Macromolecular compounds not provided for in groups

Abstract

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.

IPC Classes  ?

• C02F 1/00 - Treatment of water, waste water, or sewage
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
• B01D 61/02 - Reverse osmosis; Hyperfiltration
• B01D 61/12 - Controlling or regulating

Abstract

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.

IPC Classes  ?

• A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
• B01D 33/11 - Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
• B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element
• B01D 33/52 - Regenerating the filter material in the filter by forces created by movement of the filter element
• B01D 33/80 - Accessories
• B01D 35/30 - Filter housing constructions
• B01D 33/74 - Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
• A47L 15/14 - Washing or rinsing machines for crockery or table-ware with stationary crockery baskets and spraying devices within the cleaning chamber
• B01D 29/05 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ;   Filtering elements therefor with flat filtering elements supported

Abstract

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').

IPC Classes  ?

• A01D 34/73 - Cutting apparatus

Abstract

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.

IPC Classes  ?

• A01D 34/00 - Mowers; Mowing apparatus of harvesters
• A01D 34/74 - Cutting-height adjustment

Abstract

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.

IPC Classes  ?

• A47L 15/02 - Washing or rinsing machines for crockery or table-ware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket
• A47L 15/00 - Washing or rinsing machines for crockery or table-ware
• A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

Abstract

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.

IPC Classes  ?

• A47L 5/24 - Hand-supported suction cleaners
• A47L 9/00 - DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
• A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
• A47L 9/04 - Nozzles with driven brushes or agitators

Abstract

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.

IPC Classes  ?

• D06F 37/22 - Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
• D06F 34/16 - Imbalance

Abstract

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.

IPC Classes  ?

• A47J 27/04 - Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam
• A47J 36/24 - Warming devices
• A47J 27/00 - Cooking-vessels

Abstract

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.

IPC Classes  ?

• A47L 9/08 - Nozzles with means adapted for blowing
• A47L 9/04 - Nozzles with driven brushes or agitators
• A47L 9/00 - DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
• A47L 9/24 - Hoses; Hose couplings

Abstract

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.

IPC Classes  ?

• A47J 43/046 - Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
• A47J 43/07 - Parts or details, e.g. mixing tools, whipping tools
• A47J 43/08 - Driving mechanisms
• A47J 36/24 - Warming devices

Abstract

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.

IPC Classes  ?

• D06F 37/22 - Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis

Abstract

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.

IPC Classes  ?

• H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
• H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
• H02K 7/08 - Structural association with bearings

Abstract

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.

IPC Classes  ?

• B01D 53/32 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by electrical effects other than those provided for in group
• B01D 53/86 - Catalytic processes
• H01T 23/00 - Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere

Abstract

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.

IPC Classes  ?

• H02P 21/22 - Current control, e.g. using a current control loop

Abstract

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.

IPC Classes  ?

• H02P 27/12 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation pulsing by guiding the flux vector, current vector or voltage vector on a circle or a closed curve, e.g. for direct torque control
• H02P 21/18 - Estimation of position or speed
• H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage

Abstract

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.

IPC Classes  ?

• H05B 6/06 - Control, e.g. of temperature, of power
• H02M 7/537 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters

Abstract

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.

IPC Classes  ?

• F25D 17/04 - Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection
• F25D 29/00 - Arrangement or mounting of control or safety devices
• F25D 17/06 - Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection by forced circulation

Abstract

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.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
• C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
• C09D 7/40 - Additives
• C09D 7/45 - Anti-settling agents
• C09D 7/63 - Additives non-macromolecular organic
• C09D 125/06 - Polystyrene
• C09D 133/12 - Homopolymers or copolymers of methyl methacrylate

Abstract

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.

IPC Classes  ?

• H05B 6/06 - Control, e.g. of temperature, of power
• H05B 6/44 - Coil arrangements having more than one coil or coil segment

Abstract

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.

IPC Classes  ?

• E05D 3/18 - Hinges with pins with two or more pins with sliding pins or guides
• E05D 7/085 - Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing with a movable pivot axis with two or more pivot axes, e.g. used at the same time

Abstract

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.

IPC Classes  ?

• E05D 3/18 - Hinges with pins with two or more pins with sliding pins or guides
• F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
• F25D 23/00 - General constructional features
• F25D 23/02 - Doors; Covers

Abstract

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.

IPC Classes  ?

• G06V 20/68 - Food, e.g. fruit or vegetables
• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
• G06V 10/26 - Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
• G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
• G06V 10/766 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using regression, e.g. by projecting features on hyperplanes
• G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods

Abstract

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.

IPC Classes  ?

• F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
• F25D 23/02 - Doors; Covers
• F25D 23/00 - General constructional features
• E05D 3/18 - Hinges with pins with two or more pins with sliding pins or guides

Abstract

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.

IPC Classes  ?

• E05D 3/18 - Hinges with pins with two or more pins with sliding pins or guides
• E05D 7/085 - Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing with a movable pivot axis with two or more pivot axes, e.g. used at the same time
• F25D 23/02 - Doors; Covers

Abstract

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.

IPC Classes  ?

• F24F 1/38 - Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
• F24F 1/48 - Component arrangements in separate outdoor units characterised by airflow, e.g. inlet or outlet airflow
• F24F 1/16 - Arrangement or mounting thereof
• F24F 1/56 - Casing or covers of separate outdoor units, e.g. fan guards

Abstract

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.

IPC Classes  ?

• H01L 29/40 - Electrodes
• H01L 23/64 - Impedance arrangements
• H01L 29/417 - Electrodes characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
• H01L 29/66 - Types of semiconductor device
• H01L 29/739 - Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field effect

Abstract

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.

IPC Classes  ?

• A47L 15/22 - Rotary spraying devices
• A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details

Abstract

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.

IPC Classes  ?

• H02P 21/09 - Field phase angle calculation based on rotor voltage equation by adding slip frequency and speed proportional frequency
• H02P 21/18 - Estimation of position or speed
• H02P 21/13 - Observer control, e.g. using Luenberger observers or Kalman filters

Abstract

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.

IPC Classes  ?

• F24F 1/0011 - Indoor units, e.g. fan coil units characterised by air outlets
• F24F 1/0067 - Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
• F24F 13/20 - Casings or covers

Abstract

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.

IPC Classes  ?

• H01L 29/739 - Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field effect
• H01L 29/10 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes

Abstract

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.

IPC Classes  ?

• F24C 15/32 - Arrangements of ducts for hot gases, e.g. in or around baking ovens
• A47J 37/06 - Roasters; Grills; Sandwich grills
• H05B 3/16 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base

Abstract

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.

IPC Classes  ?

• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis

Abstract

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.

IPC Classes  ?

• A47L 15/42 - Washing or rinsing machines for crockery or table-ware - Details
• A47L 15/48 - Drying arrangements
• A47L 15/00 - Washing or rinsing machines for crockery or table-ware

Abstract

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.

IPC Classes  ?

• D06F 58/34 - Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control

Abstract

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.

IPC Classes  ?

• B25J 19/06 - Safety devices
• B25J 9/16 - Programme controls

Abstract

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.

IPC Classes  ?

• D06F 58/36 - Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
• D06F 34/14 - Arrangements for detecting or measuring specific parameters
• D06F 34/04 - Signal transfer or data transmission arrangements
• D06F 58/02 - Domestic laundry dryers having dryer drums rotating about a horizontal axis
• D06F 103/50 - Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
• D06F 105/26 - Heat pumps
• D06F 105/28 - Electric heating

Abstract

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).

IPC Classes  ?

• A47L 11/00 - Machines for cleaning floors, carpets, furniture, walls, or wall coverings

Abstract

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.

IPC Classes  ?

• F04D 17/16 - Centrifugal pumps for displacing without appreciable compression
• F04D 25/00 - Pumping installations or systems specially adapted for elastic fluids

Abstract

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.

IPC Classes  ?

• A47L 11/28 - Floor-scrubbing machines, motor-driven
• A47L 11/24 - Floor-sweeping machines, motor-driven

Abstract

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).

IPC Classes  ?

• A47L 11/28 - Floor-scrubbing machines, motor-driven
• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers

Abstract

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.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

Abstract

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.

IPC Classes  ?

• F04D 17/12 - Multi-stage pumps
• F04D 29/28 - Rotors specially adapted for elastic fluids for centrifugal or helico-centrifugal pumps
• F04D 29/42 - Casings; Connections for working fluid for radial or helico-centrifugal pumps

Abstract

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.

IPC Classes  ?

• C08L 23/08 - Copolymers of ethene
• C08K 3/016 - Flame-proofing or flame-retarding additives

Abstract

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.

IPC Classes  ?

• F24F 1/0007 - Indoor units, e.g. fan coil units
• F24F 1/0067 - Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
• F24F 1/0035 - Indoor units, e.g. fan coil units characterised by introduction of outside air to the room

Abstract

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.

IPC Classes  ?

• F24F 1/00 - Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station

Abstract

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.

IPC Classes  ?

• F24F 1/0007 - Indoor units, e.g. fan coil units
• F24F 1/0067 - Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins

Abstract

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).

IPC Classes  ?

• F24F 1/00 - Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station

Abstract

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).

IPC Classes  ?

• F24F 1/00 - Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station

Abstract

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.

IPC Classes  ?

• F24F 1/00 - Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
• F24F 13/24 - Means for preventing or suppressing noise
• F24F 13/30 - Arrangement or mounting of heat-exchangers

Abstract

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.

IPC Classes  ?

• F23D 14/26 - Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
• F23D 14/58 - Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
• F23D 14/70 - Baffles or like flow-disturbing devices
• F23D 14/74 - Preventing flame lift-off

Abstract

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.

IPC Classes  ?

• H05B 6/66 - Circuits
• H05B 6/64 - Heating using microwaves
• H01J 23/54 - Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment
• H05K 9/00 - Screening of apparatus or components against electric or magnetic fields