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 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

Disclosed in the present application are a load setting method, apparatus and system. The load setting method comprises: sending a broadcast signal to a load unit to be subjected to setting; receiving load information which is fed back by said load unit on the basis of the broadcast signal; and performing parameter setting on said load unit according to the load information. Parameters of a load unit are set by means of load information which is fed back by the load unit, and a function upgrading function is added to a load, such that a function setting tool performs function setting on the load again.

IPC Classes  ?

• 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
• F24F 11/56 - Remote control
• F24F 11/64 - Electronic processing using pre-stored data
• H04L 41/0803 - Configuration setting
• H04L 41/0813 - Configuration setting characterised by the conditions triggering a change of settings

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

The present application provides a virtual human driving method and apparatus, a storage medium, and an electronic device. The virtual human driving method comprises: determining a first rotation matrix of each human body joint according to an acquired first human body image; adding a constraint matrix to the first rotation matrix to determine a second rotation matrix of the human body joint, wherein the constraint matrix corresponds to a physical constraint condition of the human body joint; smoothing the second rotation matrix to determine a target rotation matrix of the human body joint; and driving the virtual human's movement according to the target rotation matrix.

IPC Classes  ?

• G06T 13/40 - 3D [Three Dimensional] animation of characters, e.g. humans, animals or virtual beings

Abstract

A self-air-drying control method, a floor scrubber and a storage medium. The floor scrubber comprises a dust suction air duct, a fan and a cleaning member used for cleaning a surface to be cleaned, the cleaning member being located at the dust suction air duct, and the fan rotating to drive airflow to flow through the dust suction air duct. The self-air-drying control method comprises: starting the fan according to an initial set rotating speed (S110); and, by means of closed-loop control, reducing the fan from the initial set rotating speed to a target set rotating speed, so as to air-dry the cleaning member (S120). By means of closed-loop control, the fan is reduced from the initial set rotating speed to the target set rotating speed, such that the fan can stably rotate at the relatively low target set rotating speed, thus achieving the function of self-air-drying the cleaning member.

IPC Classes  ?

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

Abstract

Disclosed in the present application are a bus load determination method and apparatus, a household appliance device, and a storage medium. The bus load determination method is used for a main control board, the main control board being connected to a communication bus, and a plurality of load units being respectively connected to the communication bus by means of corresponding gating units. The method comprises: when the communication state of the communication bus is abnormal, according to a preset policy, adjusting the switching state of each gating unit; detecting whether the communication state of the communication bus is recovered to be normal; and according to a detection result, determining an abnormal load unit from all load units.

IPC Classes  ?

• H04L 41/0677 - Localisation of faults
• G06F 13/40 - Bus structure

Abstract

The present application relates to the technical field of data communications. Provided are a bus communication control method and apparatus, and a device and a storage medium. The method in the present application comprises: when a master-control-permission transfer request from a first load unit has been received, and before a master control permission is transferred to the first load unit, first detecting whether there is a target response requirement from another load unit; and when a master control board has the master control permission, and there is no target response requirement, transferring the master control permission to a target load unit corresponding to the master-control-permission transfer request.

IPC Classes  ?

• H04L 12/40 - Bus networks

Abstract

The present application belongs to the technical field of electrical engineering. Disclosed are a photovoltaic-based heat pump water heater control method and apparatus, and a device and a storage medium. The method comprises: acquiring power load information and photovoltaic power generation information; determining electricity surplus information according to the power load information and the photovoltaic power generation information; and controlling a heat pump water heater to perform load migration according to the electricity surplus information.

IPC Classes  ?

• F24S 20/40 - Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
• F24H 9/20 - Arrangement or mounting of control or safety devices
• F24H 4/02 - Water heaters
• F24D 3/18 - Hot-water central heating systems using heat pumps
• H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers

Abstract

The present application belongs to the technical field of electrical control. Disclosed are a photovoltaic electric energy consumption method and apparatus, and a device and a storage medium. The method comprises: acquiring current time information; determining a photovoltaic power generation time period and a power-grid power supply time period according to the current time information; determining a load object and an electric-energy strategy according to the photovoltaic power generation time period and/or the power-grid power supply time period; and according to the electric energy strategy, controlling the load object to complete photovoltaic electric energy consumption and/or power-grid power utilization control.

IPC Classes  ?

• H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading

Abstract

Disclosed is a refrigerator. The refrigerator comprises: a refrigerator body (12) provided with an accommodating space having an opening; a door body (13), the door body (13) being rotatably connected to the refrigerator body (12) so as to close or open the opening; a door rotating mechanism (400) connected to the door body (13); a driver provided on the refrigerator body (12); a linkage wheel (300) rotatably provided on the refrigerator body (12) and connected to the driver and the door rotating mechanism (400), wherein when the driver is started, the linkage wheel (300) rotates to drive the door rotating mechanism (400) to drive the door body (13) to rotate; and a hovering apparatus (600), comprising a first engaging portion provided on the linkage wheel (300) and a second engaging portion provided on the refrigerator body (12), the linkage wheel (300) rotating to drive the first engaging portion and the second engaging portion to be opposite and engaged so as to block the door rotating mechanism (400) from rotating the door body (13).

IPC Classes  ?

• F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
• F25D 23/02 - Doors; Covers

Abstract

A refrigerator, comprising a refrigerator body (12), a door body (13) rotatably provided on the refrigerator body (12), and a door opening and closing device connected to the refrigerator body (12) and the door body (13). The door opening and closing device comprises: a base, a driving mechanism (100), a clutch mechanism (200), a clutch pushing assembly (240), a linkage gear (300) and a door rotating mechanism (400). The driving mechanism (100) comprises a driver (110) fixedly arranged on the base and an output gear (120) connected to the driver (110). The clutch mechanism (200) comprises a first transmission assembly (210) and a transmission structure (270) which are detachably connected, and the first transmission assembly (210) is connected to the output gear (120). The clutch pushing assembly (240) pushes the transmission structure to be connected to or disconnected from the first transmission assembly (210). The linkage gear (300) is rotatably arranged on the base (900) and is connected to the transmission structure (270). The door rotating mechanism (400) is connected to the linkage gear (300) and the door body (13), and is driven by the linkage gear (300) to rotate the door body (13). The refrigerator at least can solve the technical problem of inconvenient refrigerator door opening operations to a certain extent.

IPC Classes  ?

• E05F 15/614 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by a motor acting directly on the wing pivot axis
• F25D 23/02 - Doors; Covers

Abstract

Disclosed in the present application are a control method for a fresh air device, and a fresh air device and a storage medium. The control method comprises: when a starting instruction for a strong mode or an odor removal mode is received, controlling a fresh air device to operate in a first operation state, wherein the first operation state comprises adjusting rotation speeds of a fresh air fan and an exhaust fan to preset target rotation speeds, and controlling a fresh air valve, an exhaust air valve and a bypass air valve to start an internal circulation mode; and when the fresh air device operating in the first operation state meets a first preset condition, controlling the fresh air device to operate in a second operation state, wherein the second operation state comprises controlling the fresh air valve, the exhaust air valve and the bypass air valve to switch to an external circulation mode.

IPC Classes  ?

• F24F 11/32 - Responding to malfunctions or emergencies
• F24F 11/56 - Remote control
• F24F 11/64 - Electronic processing using pre-stored data
• F24F 11/65 - Electronic processing for selecting an operating mode
• F24F 11/72 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
• F24F 11/74 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity

Abstract

A door opening and closing apparatus, comprising: a drive mechanism (200), a door rotating mechanism (400), a door pushing mechanism (500) and a hovering mechanism (600); the drive mechanism (200) comprises a linkage wheel (300), the linkage wheel (300) being rotatably arranged on a base (900), a limit slot (320) being provided on a peripheral surface of the linkage wheel (300), and the limit slot (320) having a door pushing surface (322) along a circumferential direction of the linkage wheel (300); the door rotating mechanism (400) is connected to the linkage wheel (300) and a door body (13); the door pushing mechanism (500) comprises a door holding member (520) movably disposed on the base (900); and the hovering mechanism (600) is movably disposed on the base (900). An electrical device having said door opening and closing apparatus is also provided. The door opening and closing apparatus can at least solve to a certain extent the technical problem of a door opening and closing apparatus of an electrical device not being able to maintain a door opening state after the device is shut down.

IPC Classes  ?

• E05F 15/614 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by a motor acting directly on the wing pivot axis
• F25D 23/02 - Doors; Covers

Abstract

A door opening and closing device (11), comprising: a base (920), a driving mechanism (100), a linkage gear (300), and a door rotating mechanism (400), wherein the linkage gear (300) is rotatably arranged on the base (920) and is transmittingly connected to the driving mechanism (100); the door rotating mechanism (400) is arranged between the linkage gear (300) and the base (920); one end of the door rotating mechanism (400) is connected to the linkage gear (300), and the other end of the door rotating mechanism (400) is connected to a door (13); when the driving mechanism (100) drives the linkage gear (300) to rotate, the door rotating mechanism (400) drives the door (13) to rotate relative to a main body (12), so as to open or close the door (13). Also provided is an electrical apparatus comprising the door opening and closing device (11). By means of the door opening and closing device, the technical problem that door opening and closing devices have large overall thicknesses can be solved at least to a certain extent.

IPC Classes  ?

• E05F 15/614 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by a motor acting directly on the wing pivot axis
• F25D 23/02 - Doors; Covers

Abstract

A door opening and closing device, comprising: a driving mechanism (100), a linkage gear (300), a clutch (200) and a door rotating mechanism (400), wherein the linkage gear (300) is rotatably arranged on a base (900), the clutch (200) is arranged between the driving mechanism (100) and the linkage gear (300), and is configured to be selectively connected to the driving mechanism (100) and the linkage gear (300) in a transmission manner, one end of the door rotating mechanism (400) is connected to the linkage gear (300), and the other end thereof is connected to a door body (13); and a door abutting mechanism (500), which is connected to the linkage gear (300) and is configured to abut against the door body (13). Further provided is an electrical appliance having the door opening and closing device. By means of the door opening and closing device, the technical problems that a door of the electrical appliance is difficult to open and close and the use thereof is inconvenient can at least be solved to a certain extent.

IPC Classes  ?

• E05F 15/614 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by a motor acting directly on the wing pivot axis
• F25D 23/02 - Doors; Covers

Abstract

The present disclosure discloses a refrigerator, comprising: a main body (12) provided with an accommodation space with an opening; a door body (13) rotatably arranged on the main body (12) by means of a rotating shaft to close or open the opening; a door opening and closing device (11) comprising a front connecting rod (410); and a sliding assembly (500) comprising a connecting member (520) and a sliding member (510), wherein the connecting member (520) is fixed on one of the front connecting rod (410) and the door body (13), the sliding member (510) is arranged on the other of the front connecting rod (410) and the door body (13), and the sliding member (510) is slidably connected to the connecting member (520), so that the front connecting rod (410) can move relative to the door body (13) in the axial direction of the rotating shaft.

IPC Classes  ?

• F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
• F25D 23/02 - Doors; Covers
• E05F 15/614 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by a motor acting directly on the wing pivot axis
• E06B 3/36 - Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening

Abstract

The present application discloses a method and apparatus for controlling an outdoor fan of an air conditioner, and an air conditioner and a computer-readable storage medium. The method comprises the steps of: acquiring a condenser outlet temperature and a refrigerant heat dissipation pipe temperature; determining an actual condenser outlet temperature according to the condenser outlet temperature and the refrigerant heat dissipation pipe temperature; and adjusting the rotation speed of an outdoor fan according to an outdoor environment temperature and the actual condenser outlet temperature.

IPC Classes  ?

• F24F 11/64 - Electronic processing using pre-stored data
• F24F 11/871 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
• F24F 11/30 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring

Abstract

A gear device (1, 1A, 1B) capable of easily stabilizing the meshing of inner teeth (21) and outer teeth (31), and a joint device (200) for a robot. The gear device (1, 1A, 1B) comprises an internal gear (2), an annular external gear (3, 3A, 3B), and a deflection generator (40, 40A, 40B). The external gear (3, 3A, 3B) is provided with the outer teeth (31) and is arranged on the inner side of the internal gear (2). The deflection generator (40, 40A, 40B) is provided with a non-circular cam (41) driven to rotate by using a rotating axis (Ax1) as a center, and a bearing (42) assembled on the outer side of the cam (41). The deflection generator (40, 40A, 40B) is arranged on the inner side of the external gear (3, 3A, 3B) and enables the external gear (3, 3A, 3B) to produce deflection. The gear device (1, 1A, 1B) enables the external gear (3, 3A, 3B) to be deformed along with the rotation of the cam (41), and enables part of the outer teeth (31) to be meshed with part of the inner teeth (21), so that the external gear (3, 3A, 3B) rotates relative to the internal gear (2) according to the difference between the number of teeth of the external gear (3, 3A, 3B) and the number of teeth of the internal gear (2). In a simultaneous meshing range (Ra1) covering more than 180 degrees of the circumference of the internal gear (2), the inner teeth (21) are meshed with the outer teeth (31).

IPC Classes  ?

• F16H 49/00 - Other gearing

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

The embodiments of the present application belong to the technical field of cleaning. Provided are an eccentric rotating device, a cleaning floor brush and a cleaning apparatus. The eccentric rotating device is applied to a cleaning apparatus, and comprises a first rotating assembly, an actuating member, a second rotating assembly and an actuated member, wherein the first rotating assembly has a first rotation center line, and the first rotating assembly can rotate around the first rotating center line; the actuating member is arranged on the first rotating assembly; the second rotating assembly has a second rotation center line, which is disposed spaced apart from the first rotation center line, and the second rotating assembly can rotate around the second rotation center line; and the actuated member is arranged on the second rotating assembly, and the actuating member can abut against the actuated member, such that the first rotating assembly can drive the second rotating assembly to rotate. The eccentric rotating device, the cleaning floor brush and the cleaning apparatus in the embodiments of the present application can make it relatively convenient to install the eccentric rotating device.

IPC Classes  ?

• 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
• A47L 9/04 - Nozzles with driven brushes or agitators

Abstract

Disclosed in the present application are an air conditioner and an air conditioner control method. The air conditioner comprises a housing (100), a heat exchanger (200), an electric heater (300), a fan (400), and a driving part (500); the housing (100) is provided with an air passage (110); the electric heater (300) is provided in the air passage (110); the electric heater (300) has a heating surface (310); the driving part (500) is provided in the housing (100), and is connected to the electric heater (300); and the driving part (500) can drive the electric heater (300) to rotate such that an included angle between the heating surface of the electric heater (300) and an air outlet surface (230) of the heat exchanger (200) can be adjusted. By adjusting the angle of the heating surface (310) of the electric heater (300), the air conditioner has a better heating effect and mitigates the problem of condensation of the electric heater.

IPC Classes  ?

• F24F 1/0063 - Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers

Abstract

A temperature control method for an air conditioner, comprising: acquiring historical data of an air conditioner, wherein the historical data comprises indoor temperature data and user-set data; determining an initial temperature interval on the basis of the indoor temperature data; on the basis of a preset time length, correcting the temperature interval by means of the user-set data; and determining a set temperature of the air conditioner on the basis of the corrected temperature interval, so that the air conditioner runs on the basis of the set temperature.

IPC Classes  ?

• F24F 11/61 - Control or safety arrangements characterised by user interfaces or communication using timers
• F24F 11/64 - Electronic processing using pre-stored data
• F24F 11/88 - Electrical aspects, e.g. circuits

Abstract

The present disclosure relates to the field of water purification devices, and provides a water softening control method and apparatus, an electronic device, and a storage medium. The water softening control method comprises: obtaining a comparison result between a water usage amount of a user and a soft water amount threshold; determining that the comparison result is that the water usage amount of the user is greater than or equal to the soft water amount threshold, and performing, by using a water softener, regeneration treatment on a resin for water softening; obtaining a first consumption amount of the water softener in the process of performing regeneration treatment on the resin; and determining a second resin regeneration water usage amount according to the first consumption amount and a first resin regeneration water usage amount.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• C02F 1/00 - Treatment of water, waste water, or sewage

Abstract

The present application provides a word/sentence error correction method and device, a readable storage medium, and a computer program product. The word/sentence error correction method comprises: obtaining text data waiting for error correction, wherein said text data comprises a word/sentence sequence; according to said text data and a target error correction model, determining an error type corresponding to the word/sentence sequence, wherein the target error correction model is used for identifying the error type of error text, and performing error correction processing on the error text on the basis of the error type; and performing corresponding error correction processing on the word/sentence sequence according to the error type, said text data and the target error correction model.

IPC Classes  ?

• G06F 40/232 - Orthographic correction, e.g. spell checking or vowelisation
• G06F 40/216 - Parsing using statistical methods
• G06F 40/226 - Validation

Abstract

A blower and an air conditioner. The blower comprises a volute (100); a wind wheel (200) rotatably mounted in the volute (100); and a flexible protective member, which has a limiting section (310) and a mounting section (320), wherein the mounting section (320) is detachably fixed to an air inlet of the volute (100); and the limiting section (310) is inserted into an air inlet of the wind wheel (200) and configured to stop the wind wheel (200) from swaying in a radial direction. The air conditioner comprises the blower.

IPC Classes  ?

• F24F 11/00 - Control or safety arrangements
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the like; Balancing

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

An air conditioner, comprising: a housing (10), a heat exchanger component (40), an air duct component (30), and a pulse sterilization module (20). The housing (10) is provided with an air inlet (13) and an air outlet; the heat exchanger component (40) and the air duct component (30) are both arranged in the housing (10); an air duct cavity (34) extending in an up-and-down direction is defined between the heat exchanger component (40) and the air duct component (30); the pulse sterilization module (20) is arranged on the air duct component (30); the pulse sterilization module (20) is adapted to emit pulsed light into the air duct cavity (34); and a pulse lamp tube (23) of the pulse sterilization module (20) extends in the up-and-down direction.

IPC Classes  ?

• F24F 8/20 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
• F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
• F24F 1/0071 - Indoor units, e.g. fan coil units with means for purifying supplied air
• F24F 1/0063 - Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
• F24F 13/00 - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

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

An obstacle avoidance robot, a control method and control device thereof, a readable storage medium, and a computer program product. The control method comprises: receiving map information of an environment where an obstacle avoidance robot is located (S102); acquiring an initial path of the obstacle avoidance robot and an initial boundary of the initial path according to the map information (S104); detecting obstacle information in the initial boundary, determining a target path of the obstacle avoidance robot according to the initial boundary, the initial path, and the obstacle information, and generating a control instruction (S106); and according to the control instruction, controlling the obstacle avoidance robot to move (S108).

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

An air bearing. The air bearing comprises, successively stacked, a mounting seat (121), a wave foil and a top foil (123); the wave foil comprises a first wave foil (122a) and a second wave foil (122b); the first wave foil (122a) comprises a first corrugated section (1221a), and the second wave foil (122b) comprises a second corrugated section (1221b) stacked with the first corrugated section (1221a); a wave crest of the second corrugated section (1221b) has a gap between same and the first corrugated section (1221a) in the stacking direction, and in the stacking direction, the second corrugated section (1221b) is closer than the first corrugated section (1221a) to the top foil (123). The invention further comprises a rotor assembly, a compressor, and a heating and ventilation device.

IPC Classes  ?

• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only

Abstract

An axial bearing, comprising a mounting base (3), a bump foil assembly (1) and a top foil assembly (2). The bump foil assembly (1) comprises a first positioning part (11) and bump foils (12); the plurality of bump foils (12) are connected to the first positioning part (11) and are arranged circumferentially around the first positioning part (11); each bump foil (12) is provided with a corrugated section (122); the top foil assembly (2) comprises a second positioning part (21) and top foils (22); the plurality of top foils (22) are connected to the second positioning part (21) and are arranged circumferentially around the second positioning part (21); the plurality of top foils (22) are opposite to the plurality of bump foils (12); the mounting base (3), the bump foils (12) and the top foils (22) are stacked. Also provided are a compressor and heating and ventilation equipment.

IPC Classes  ?

• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only

Abstract

A cross-flow air supply assembly and an air conditioner having same. The cross-flow air supply assembly comprises: an air duct structure, a cross-flow fan wheel and an anti-surge structure. The air duct structure comprises a volute portion and a volute tongue portion, a cross-flow air duct is formed between the volute portion and the volute tongue portion, and the cross-flow fan wheel is arranged at an air duct inlet of the cross-flow air duct. The cross-flow fan wheel comprises a plurality of middle-section fan blades arranged in an axial direction, the axial height of the anti-surge structure is smaller than the axial length of the middle-section fan blades, and the anti-surge structure is arranged on the volute tongue portion, so as to reduce an air inlet gap between a corresponding position of the volute tongue portion and the cross-flow fan wheel.

IPC Classes  ?

• F24F 1/0025 - Cross-flow or tangential fans
• F24F 13/24 - Means for preventing or suppressing noise
• F24F 1/0033 - Indoor units, e.g. fan coil units characterised by fans having two or more fans
• F24F 1/0063 - Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers

Abstract

A control method for a cooking apparatus (100), a computer readable storage medium, and the cooking apparatus (100). The control method comprises: in response to a cooking instruction, controlling the cooking apparatus (100) to perform cooking work (S10); identifying the type of food (200) to be cooked (S20); when said food (200) is identified to be prohibited from being heated by microwaves, controlling the cooking apparatus (100) to pause, and sending prompt information of whether to continue to cook (S30); and in response to a confirmation instruction to stop cooking, controlling the cooking apparatus (100) to stop the cooking work (S40).

IPC Classes  ?

• A47J 36/00 - Parts, details or accessories of cooking-vessels
• H05B 6/64 - Heating using microwaves
• F24C 7/08 - Arrangement or mounting of control or safety devices

Abstract

A cooking device (100), the cooking device (100) comprising: a housing (10), a cooking chamber (11) being provided in the housing (10); a placement part (20), the placement part (20) being arranged in the cooking chamber (11), and the placement part (20) being used for placement of a food (200); and a heating device (30), the heating device (30) being used for heating the food (200) placed on the placement part (20). The heating device (30) and the placement part (20) may move relative to each other, so as to allow different surfaces of the food (200) placed on the placement part (20) to face the heating device (30).

IPC Classes  ?

• A47J 37/04 - Roasting apparatus with movably-mounted food supports or with movable heating implements; Spits

Abstract

A cooking appliance (100) control method, and a cooking appliance. The cooking device (100) comprises a main body (10) and a door body (20). The main body (10) defines a cooking cavity (11), and the door body (20) is suitable for closing the cooking cavity (11). The control method comprises: in response to a cooking instruction, controlling the cooking appliance (100) to cook (S10); and when the cooking appliance (100) completes cooking, controlling the door body (20) to open the cooking cavity (11) so as to discharge residual steam in the cooking process (S20).

IPC Classes  ?

• A47J 27/04 - Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam
• A47J 36/32 - Time-controlled igniting mechanisms or alarm devices

Abstract

A cooking apparatus (100). The cooking apparatus (100) comprises: a shell (10), wherein the shell (10) is internally provided with a cooking cavity (11); a cooking heating device (20), wherein the cooking heating device (20) is configured to heat food in the cooking cavity (11); and a dehumidification device (30), wherein the dehumidification device (30) is suitable for forming a closed dehumidification circulation path between the dehumidification device (30) and the cooking cavity (11) when the cooking apparatus (100) is in a heating cooking state, and the dehumidification device (30) is suitable for performing a dehumidification operation on water vapor in the dehumidification circulation path.

IPC Classes  ?

• A47J 27/00 - Cooking-vessels
• A47J 36/38 - Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapours from cooking utensils
• F24C 15/20 - Removing cooking fumes

Abstract

A silencer (100), comprising: a waveguide tube (10), a sound absorption tube (20) and a reflection tube (30), the waveguide tube (10) being provided with a sound wave inlet. The sound absorption tube (20) and the reflection tube (30) are arranged in the length direction of the waveguide tube (10) and are communicated with the waveguide tube (10), the sound absorption tube (20) being arranged closer to the sound wave inlet of the waveguide tube (10) than the reflection tube (30), the reflection tube (30) and the sound absorption tube (20) being both quarter-wave tubes, and the cross-sectional area of the reflection tube (30) being greater than the cross-sectional area of the sound absorption tube (20).

IPC Classes  ?

• G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Abstract

A correction method for a refrigerant sensor, and an air conditioning system. The method is applied to a refrigerant testing apparatus in an air conditioning system provided with a flammable refrigerant, the refrigerant testing apparatus comprising a refrigerant sensor. The method comprises: collecting current concentration information of an environment where the refrigerant testing apparatus is located; acquiring current working information; and according to the current working information, correcting the current concentration information to obtain target concentration information, thus achieving correction of the refrigerant sensor.

IPC Classes  ?

• F24F 11/89 - Arrangement or mounting of control or safety devices

Abstract

A muffler (20), a muffler assembly (100), and a refrigerator. The muffler (20) is provided with a muffling cavity (21); the muffling cavity (21) comprises a plurality of muffling sub-cavities (210) which are spaced apart; the muffler (20) is provided with a plurality of muffling inlets respectively communicated with the plurality of muffling sub-cavities (210) in a one-to-one correspondence manner; muffling insertion tubes (22) extending into the corresponding muffling sub-cavities (210) are provided at the muffling inlets; and the volumes of at least two of the plurality of muffling sub-cavities (210) are different.

IPC Classes  ?

• G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
• G10K 11/172 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
• F25D 23/00 - General constructional features

Abstract

Disclosed are a current source inverter and a control method therefor, a compressor and a household appliance. The current source inverter comprises a three-phase inverter bridge and a zero-current switch, wherein a bridge arm of each phase of the three-phase inverter bridge comprises an upper bridge bidirectional switch tube and a lower bridge bidirectional switch tube; and the zero-current switch is connected in parallel between direct-current buses of the three-phase inverter bridge. The method comprises: before a commutation moment arrives, firstly controlling bidirectional switch tubes corresponding to a first non-zero vector before commutation to be both in a reverse blocking state, and then controlling a zero-current switch to be in a turn-on state; and when the commutation moment arrives, firstly controlling bidirectional switch tubes corresponding to a second non-zero vector after commutation to be both in the reverse blocking state so as to perform commutation, then controlling the zero-current switch to be in a turn-off state, and finally controlling the bidirectional switch tubes corresponding to the second non-zero vector to be both in the turn-on state.

IPC Classes  ?

• 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

Abstract

The present application relates to the technical field of dehumidifiers and aims to solve the technical problem of air deflection in an air outlet position of an existing air duct. Disclosed are an air duct assembly and a dehumidifier. A shell (100) of the air duct assembly is provided with an air duct (110), and a first air inlet (120) and a first air outlet (130) which communicate with the air duct (110). A fan (200) comprises a volute (210) and a wind wheel (220), wherein the wind wheel (220) is accommodated in the volute (210) and drives an airflow to a second air outlet (211) of the volute (210), and the second air outlet (211) communicates with the first air inlet (120). A flow guide member (300) is connected into the shell (100), and the flow guide member (300) divides the air duct (110) into a plurality of sub-air ducts (111) and guides the airflow driven by the wind wheel (220) to the sub-air ducts (111) away from the wind wheel (220). According to the present application, uniform air output of the first air outlet of the shell can be ensured, and the phenomenon of air deflection of the first air outlet of the shell is avoided.

IPC Classes  ?

• F24F 1/02 - Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
• F24F 13/14 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built-up of tilting members, e.g. louvre
• F24F 13/20 - Casings or covers

Abstract

An internal meshing planetary gear apparatus and a robot joint apparatus. Although the structure is relatively simple, axial movement of a crankshaft can be limited. The internal meshing planetary gear apparatus (1B) is provided with an internal gear (2), a planetary gear (3), an input-side gear carrier (18), an output-side gear carrier (19), and a limiting structure (9). A crankshaft (7A) rotates around an axis to swing the planetary gear (3). The input-side gear carrier (18) and the output-side gear carrier (19) are arranged on two sides of the planetary gear (3) along the axial direction of the axis, and rotatably support the crankshaft (7A). The limiting structure (9) only limits the movement of the crankshaft (7A) towards the two sides on the axial direction at any one gear carrier among the input-side gear carrier (18) and the output-side gear carrier (19).

IPC Classes  ?

• F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
• B25J 17/02 - Wrist joints

Abstract

The present application relates to the technical field of computers. Provided are an image processing method, and an electronic device and a storage medium. The method comprises: inputting an image to be processed into a target image processing model, so as to obtain target image information, which is output by the target image processing model, wherein the target image processing model is established on the basis of a target mask tensor, and an image channel in the target image information corresponds to a channel with a component of 1 in the target mask tensor; and the target mask tensor is determined on the basis of the following steps: acquiring a first computational graph corresponding to a first image processing model; determining a second computational graph on the basis of the first computational graph; and performing forward computation and back computation of the first image processing model according to the second computational graph, so as to determine the target mask tensor. In the method, the target image processing model used for processing the image to be processed has redundant channels removed, thereby reducing the number of parameters, improving the calculation speed of the model without affecting the image processing precision, and reducing the hardware requirements for deploying the model.

IPC Classes  ?

• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
• G06N 3/04 - Architecture, e.g. interconnection topology

Abstract

A pipeline device and a refrigeration system having same. The pipeline device comprises: a first cover body and a second cover body, wherein the first cover body is provided with a first attaching board, the second cover body is provided with a second attaching board, the first attaching board and the second attaching board are attached opposite each other to form a first cavity and a second cavity for refrigerant to flow through, and an isolation portion located between the first cavity and the second cavity, and an arrangement path of the isolation portion is laterally opposite each of an extension path of the first cavity and an extension path of the second cavity on two sides thereof; the isolation portion comprises at least one first slit and at least one second slit, the first slit extends through the first attaching board, and the second slit extends through the second attaching board; and one first slit is at least partially connected to the at least one second slit so as to form at least part of the arrangement path of the isolation portion.

IPC Classes  ?

• F25B 41/40 - Fluid line arrangements

Abstract

Provided in the present application are a water supply device and a refrigeration apparatus. The water supply device is applied to the refrigeration apparatus, and the water supply device comprises a housing, a storage box and a water supply assembly, wherein the water supply assembly is arranged inside the housing; the housing is suitable for being arranged in a refrigerating compartment of the refrigeration apparatus; an accommodating space is formed on an outer surface of the housing; and the storage box is arranged in the accommodating space. The water supply assembly is used for being placed in the refrigerating compartment of the refrigeration apparatus, and by means of optimizing the arrangement position and/or the structure of the water supply assembly, a certain space may be freed up, such that it is convenient to arrange the storage box, thereby improving the accommodating capacity, that is to say, the utilization rate of the space is increased.

IPC Classes  ?

• F25D 11/02 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators with cooling compartments at different temperatures
• F25D 23/12 - Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
• F25C 1/00 - Producing ice
• B01D 61/18 - Apparatus therefor

Abstract

The present application relates to the technical field of refrigeration apparatuses. Provided are an air duct system of a refrigeration apparatus, and the refrigeration apparatus. The air duct system comprises: an ice-making air duct assembly, which is adapted to be arranged in a refrigerator compartment liner of the refrigeration apparatus and comprises an ice-making air duct front cover plate, wherein an ice-making air duct is formed between the ice-making air duct front cover plate and one part of a side wall of the refrigerator compartment liner, and is adapted to be in communication with an ice-making compartment to form an ice-making air circulation structure; and a refrigeration air duct assembly, which is adapted to be arranged in the refrigerator compartment liner and comprises a refrigeration air duct cover plate, wherein refrigeration air ducts are formed between the refrigeration air duct cover plate and the other part of the side wall of the refrigerator compartment liner, and comprise a first refrigeration air duct and a second refrigeration air duct, and the ice-making air duct is located between the first refrigeration air duct and the second refrigeration air duct. By means of the air duct system, the temperature distribution uniformity of a refrigerator compartment is improved in order to facilitate an increase in the frost-tolerant capacity of an ice-making evaporator, which reduces the energy consumption, increases the ice-making speed, and improves the surface quality of ice cubes.

IPC Classes  ?

• F25C 1/00 - Producing ice
• F25D 11/02 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators with cooling compartments at different temperatures
• 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 23/06 - Walls

Abstract

A handle (100) and a cooking apparatus (4). The handle (100) comprises: a hand shank (1), which extends in a first direction; a mounting base (2), wherein a first end (21) thereof in a second direction is connected to the hand shank (1), the second direction being perpendicular to the first direction; and a first mounting member (3), which is used for being mounted on the cooking apparatus (4). The mounting base (2) is provided with a second mounting member (5); a first channel (22) is formed between the mounting base (2) and the second mounting member (5); the second mounting member (5) is provided with a second channel (51), which is in communication with the first channel (22); and the first mounting member (3) can pass through the first channel (22) and move along the second channel (51) to abut against the second mounting member (5), such that the hand shank (1) is connected to the cooking apparatus (4). The handle has a simple structure; and the handle is convenient to assemble and disassemble, thereby facilitating the reduction of the package size of the cooking apparatus (4), and thus reducing the transportation cost of the cooking apparatus (4).

IPC Classes  ?

• A47J 45/07 - Handles for hollow-ware articles of detachable type
• A47J 37/06 - Roasters; Grills; Sandwich grills
• A47J 36/00 - Parts, details or accessories of cooking-vessels
• F24C 15/26 - Handles for carrying
• F24C 15/02 - Doors specially adapted for stoves or ranges

Abstract

A heat regenerator (10), a refrigeration system (100), and refrigeration equipment (1000). The heat regenerator (10) comprises a first gas return pipe (11), a second gas return pipe (12), and an exhaust pipe (13). The exhaust pipe (13) sequentially passes through the first gas return pipe (11) and the second gas return pipe (12); the exhaust direction in the exhaust pipe (13) is opposite to the gas return direction in the first gas return pipe (11); and the exhaust direction in the exhaust pipe (13) is opposite to the gas return direction in the second gas return pipe (12).

IPC Classes  ?

• F25B 40/06 - Superheaters

Abstract

A heat regenerator (100), an air return pipeline system (1000), an air path heat regeneration method, and a refrigeration apparatus (2000). The heat regenerator (100) comprises a shell (10) and an air discharge pipe (20), wherein a heat exchange cavity (101) is formed in the shell (10); the shell (10) is provided with an air return outlet (1021) and an air return inlet (1031), which are in communication with the heat exchange cavity (101); the air return inlet (1031) is used for receiving a refrigerant from an evaporator (500); the air return outlet (1021) is used for transferring the refrigerant into a compressor (200); the air discharge pipe (20) is arranged in the heat exchange cavity (101) and is coiled; an air discharge inlet (201) and an air discharge outlet (202) are formed at two ends of the air discharge pipe (20); the air discharge inlet (201) is used for receiving a refrigerant from a condenser (300); and the air discharge outlet (202) is used for transferring the refrigerant into a capillary tube (400).

IPC Classes  ?

• F25B 40/06 - Superheaters
• F25B 41/37 - Capillary tubes

Abstract

The present application relates to the field of refrigeration devices and provides a refrigeration device, comprising a cabinet body, the cabinet body comprising a cabinet case and a cabinet liner, and the cabinet liner being arranged in the cabinet case; an ice making chamber and an ice making air duct, the ice making air duct being arranged in the cabinet liner, and an ice making evaporator being arranged in the ice making air duct; and an air inlet pipe and an air return pipe, both snap-fitting the cabinet liner and both arranged between the cabinet liner and the cabinet case, the air inlet pipe being used for the entry of air into the ice making chamber, two ends of the air inlet pipe being respectively in communication with the ice making chamber and the ice making air duct, the air return pipe being used for the return of air to the ice making air duct, two ends of the air return pipe being respectively in communication with the ice making chamber and the ice making air duct, the air inlet pipe and the air return pipe being both connected to supporting pillars, and the supporting pillars abutting against the cabinet case. While an installation process of the refrigeration device is simplified, the refrigeration device can normally make ice. Screws and adhesive tape pasting are not required for fixing and sealing the air inlet pipe and the air return pipe, thereby reducing used materials, improving the manufacturability of a product, and also ensuring the stability of the air inlet pipe and the air return pipe fixed onto the cabinet liner.

IPC Classes  ?

• F25D 11/00 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators
• F25C 1/00 - Producing ice
• F25D 23/12 - Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
• F25D 17/08 - 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 using ducts
• F25D 19/00 - Arrangement or mounting of refrigeration units with respect to devices

Abstract

A sterilization control method for a water softening device, comprising: acquiring a target water volume in a resin tank of a water softening device; according to the target water volume, determining a control parameter of an electrolytic sterilization module of the water softening device; and, according to the control parameter, controlling the electrolytic sterilization module, the control parameter comprising at least one of electrolysis current and electrolysis duration.

IPC Classes  ?

• B01J 49/60 - Cleaning or rinsing ion-exchange beds

Abstract

Provided in the present disclosure is a water softening device. The water softening device comprises a housing, an inner frame assembly, a top cover assembly, a regeneration assembly and a water softening assembly. A first accommodation cavity is formed in the housing, and a housing opening in communication with the first accommodation cavity is formed on the top of the housing. The inner frame assembly is arranged at the housing opening of the housing. The top cover assembly is arranged on an upper portion of the inner frame assembly, and is connected to the inner frame assembly. The regeneration assembly is arranged in the first accommodation cavity, and is detachably connected to the top cover assembly. The water softening assembly is arranged in the first accommodation cavity, and is detachably connected to the inner frame assembly.

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
• C02F 5/00 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Abstract

The present disclosure relates to the technical field of water softening devices. Provided are a water leakage control method and apparatus for a water softening device, and an electronic device and a storage medium. The method comprises: on the basis of a water consumption parameter of a water softening device, determining that a target flow channel is in a water leakage state; and controlling a water intake valve of the water softening device to be closed, and prompting that the target flow channel is in the water leakage state, wherein the target flow channel is a flow channel which is located on a rear end of the water intake valve of the water softening device.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• F17D 5/02 - Preventing, monitoring, or locating loss
• F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
• F16K 31/02 - Operating means; Releasing devices magnetic
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
• B01D 61/58 - Multistep processes
• C02F 9/00 - Multistage treatment of water, waste water or sewage

Abstract

A performance testing method for a water softening device. The method comprises: acquiring a correspondence between a water temperature and a pressure drop of a target flow channel; on the basis of the correspondence between the water temperature and the pressure drop, determining a target pressure drop value corresponding to the current test water temperature; and on the basis of a numerical relationship between an actual pressure drop value and the target pressure drop value, determining a performance testing result, wherein the target flow channel is a flow channel between a water intake end and a water output end of a water softening device, and the actual pressure drop value is a pressure drop value of the target flow channel at the current test water temperature.

IPC Classes  ?

• G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
• G06F 30/20 - Design optimisation, verification or simulation

Abstract

A top cover assembly and a water softening apparatus. The top cover assembly comprises a first frame (110), a first top cover component (120) and a second top cover component (130), wherein the first frame (110) is provided with a first opening (52); the first top cover component (120) is connected to the first frame (110) by means of a flexible member (112), and the first top cover component (120) is adapted to be switched between an open state and a closed state; and the second top cover component (130) is connected to the first frame (110) and is located on the side where the first opening (52) is provided.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange

Abstract

Provided in the present disclosure are a salt well mounting device and a water softener. The salt well mounting device comprises: a hoop; a connecting arm, wherein the connecting arm is connected to one side of the hoop, and the axial direction of the hoop is parallel to the length direction of the connecting arm; and a limiting part, wherein the limiting part is arranged on the connecting arm. The hoop is configured to hold an outer side of a salt well, the limiting part can limit the salt well to move towards one end of the connecting arm, and the connecting arm is configured to connect to a middle frame assembly of the water softener.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• C02F 5/00 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
• B01J 49/75 - Regeneration or reactivation of ion-exchangers; Apparatus therefor of water softeners

Abstract

A flip cover assembly, comprising a cover body and a first curved arm, wherein a first end of the first curved arm is connected to one end of the cover body, and a second end of the first curved arm is configured to be rotatably connected to a middle frame assembly of a water softener; and the cover body is flipped relative to the middle frame assembly by means of the first curved arm, and a flip angle of the cover body relative to the middle frame assembly is greater than 90°.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange

Abstract

A door assembly (100) and a cooking utensil (200). The door assembly (100) comprises: a frame (110); and at least one hook (120), the at least one hook (120) and the frame (110) being of an integrated structure.

IPC Classes  ?

• E05C 19/10 - Hook fastenings; Fastenings in which a link engages a fixed hook-like member

Abstract

A household appliance (100). The household appliance (100) comprises: a bracket (14); a door body (12), wherein the door body (12) is connected to the bracket (14) in a rotational manner, and the door body (12) is provided with a door hook; and a buffer assembly (16), which is mounted on the bracket (14), wherein the buffer assembly (16) comprises a first driving elastic member (60), a second driving elastic member (64), a damper (18) and a driving lever (20), wherein a connection portion (70) is arranged on the driving lever (20), and the first driving elastic member (60) and the second driving elastic member (64) are connected to the connection portion (70). Under the conditions that the door body (12) is opened, the door hook is disengaged from the driving lever (20), an included angle between the first driving elastic member (60) and a first connection line (L1) is selected from the range from 0 degree to 60 degrees, and an included angle between the second driving elastic member (64) and a second connection line (L2) is selected from the range of 0 degree to 60 degrees, the first connection line (L1) being a connection line between a first joint, which is formed between the first driving elastic member (60) and the connection portion (70), and a center of rotation of the driving lever (20), and the second connection line (L2) being a connection line between a second joint, which is formed between the second driving elastic member (64) and the connection portion (70), and the center of rotation of the driving lever (20).

IPC Classes  ?

• E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing

Abstract

The present disclosure relates to the technical field of water softening devices, and provides an outflow water hardness adjustment method and apparatus for a water softening device, an electronic device, and a storage medium. The method comprises: in response to an outflow water hardness adjustment request, determining a target outflow water hardness corresponding to the outflow water hardness adjustment request; determining a water mixing ratio of softened water to raw water on the basis of the target outflow water hardness; and adjusting an opening degree of a water mixing apparatus of the water softening device on the basis of the water mixing ratio. The water mixing apparatus is configured to control mixing of raw water and softened water of the water softening device.

IPC Classes  ?

• G05D 11/13 - Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
• B01F 23/40 - Mixing liquids with liquids; Emulsifying

Abstract

A method and apparatus for a water softening device to determine the hardness of raw water. The method comprises: acquiring a correspondence between geographic areas and the hardness of raw water (110); and determining the target hardness of raw water of a water softening device according to a target geographic area where the water softening device is located and the correspondence (120), wherein the correspondence is obtained by performing hardness measurement on raw water in each geographic area and by associating each geographic area with a raw-water hardness measurement result corresponding to the geographic area.

IPC Classes  ?

• G01N 33/18 - Water
• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange

Abstract

A method and apparatus for indicating the amount of salt in a salt container of a water softening device, an electronic device, and a storage medium. The method comprises: acquiring the amount of remaining salt in a salt container; determining a current salt replenishment prompt threshold according to a current salt consumption rate of a water softening device; and determining that the amount of remaining salt is less than the current salt replenishment prompt threshold, and providing a salt replenishment prompt.

IPC Classes  ?

• G08B 7/06 - Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using electric transmission

Abstract

An intermediate frame assembly, a top cover device, and a water softener. The intermediate frame assembly comprises an intermediate frame and an engagement assembly. The engagement assembly comprises an engagement recess. The engagement recess is connected with the intermediate frame, and is used to store a plug-in assembly therein. The engagement recess is provided with a first engagement opening and a second engagement opening. The first engagement opening and the second engagement opening are respectively arranged on recess walls at two ends of the engagement recess in the length direction. The plug-in assembly comprises a first plug-in terminal and a second plug-in terminal. A first end of the first plug-in terminal is in pluggable connection with a first end of the second plug-in terminal. The first engagement opening is used to engage and connect with a second end of the first plug-in terminal, and the second engagement opening is used to engage and connect with a second end of the second plug-in terminal.

IPC Classes  ?

• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• H01R 13/639 - Additional means for holding or locking coupling parts together after engagement

Abstract

A resin regeneration method of a water softening device, comprising: controlling a backwashing assembly to suction a salt solution from a salt tank, and cleaning a resin in a resin tank in the water softening device; and determining the completion of cleaning the resin by the salt solution, and controlling the backwashing assembly to communicate the resin tank with a raw water path so as to obtain raw water from the raw water path and to wash the resin in the resin tank, wherein the backwashing assembly is used for executing frontwashing or backwashing.

IPC Classes  ?

• B01J 49/75 - Regeneration or reactivation of ion-exchangers; Apparatus therefor of water softeners
• C02F 1/42 - Treatment of water, waste water, or sewage by ion-exchange
• A47J 31/00 - Apparatus for making beverages

Abstract

Provided are a salt content prompting method for a salt tank in a water softening device, a salt tank, and a water softening device. The method comprises: acquiring the current salt content in a cavity of the salt tank; and determining that the current salt content is lower than a preset salt content, and adjusting the brightness of a first light-emitting assembly facing the cavity.

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
• A47L 15/00 - Washing or rinsing machines for crockery or table-ware

Abstract

An interlock device (100) for a microwave oven (1000), and the microwave oven (1000). The interlock device (100) comprises: a first door hook (11); an interlock support (20), the interlock support (20) being provided with a monitoring switch (201), a first microswitch (202) and a second microswitch (203); and a first lever (30) and a second lever (40), the first lever (30) and the second lever (40) being separately rotatably mounted on the interlock support (20). During a door closing process of the microwave oven (1000), the first door hook (11) sequentially drives the first lever (30) and the second lever (40) to rotate, so that after the first lever (30) triggers the monitoring switch (301), the second lever (40) sequentially triggers the first microswitch (202) and the second microswitch (203).

IPC Classes  ?

• F24C 7/02 - Stoves or ranges heated by electric energy using microwaves
• E05B 65/00 - Locks for special use
• F24C 15/02 - Doors specially adapted for stoves or ranges
• E05C 19/12 - Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted

Abstract

An interlocking device (100) for a microwave oven (1000), a microwave oven (1000), and a household appliance (100a). The interlocking device (100) comprises: a first door hook (11); an interlocking bracket (20), which is provided with a plurality of switches; a first lever (30), which is mounted on the interlocking bracket (20), wherein an avoidance gap (61) is formed between the first lever and the interlocking bracket (20), and the first lever is rotatable so as to trigger at least one switch; a second lever (40), which is mounted on the interlocking bracket (20), wherein the second lever (40) is positioned at the rear side of the first lever (30) in a door closing direction, and the second lever (40) is rotatable so as to trigger at least one switch; and a shielding member (62), wherein the shielding member (62) is arranged at the avoidance gap (61), can move between a first position where the avoidance gap (61) is shielded and a second position where the avoidance gap (61) is unshielded, and the shieldig member (62) is positioned at the first position when a door is opened. During the movement of the first door hook (11) in the door closing direction, the shielding member (62) is adapted to move to the second position, such that the first door hook (11) drives the first lever (30) and the second lever (40) to rotate in sequence.

IPC Classes  ?

• E05C 19/02 - Automatic catches, i.e. released by pull or pressure on the wing

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 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

Provided are a defrosting control method, a sensor assembly (2), an evaporator (1), a defrosting control apparatus, an electronic device, a non-transitory computer-readable storage medium, and a computer program product. The defrosting control method comprises: acquiring a first detection signal of a first piezoelectric component (21), wherein the first piezoelectric component (21) is connected to an evaporator (1), and the first detection signal corresponds to the thickness of a frost layer on the surface of the first piezoelectric component (21); acquiring a second detection signal of a second piezoelectric component, wherein the second piezoelectric component is connected to the evaporator (1) and is located in a frost-free space, and the second detection signal is a reference signal corresponding to the environment of the first piezoelectric component (21); obtaining a calculation difference value between the first detection signal and the second detection signal; and when determining that the calculation difference value reaches a preset threshold value, performing defrosting.

IPC Classes  ?

• F25D 21/02 - Detecting the presence of frost or condensate
• F25D 29/00 - Arrangement or mounting of control or safety devices

Abstract

An air conditioner control method and apparatus, and an air conditioner and a storage medium, which belong to the technical field of air conditioners. The method comprises: determining a temperature difference according to the current indoor environment temperature and a temperature which is set by a user; determining a retaining time according to the temperature difference; when the current tube temperature of an evaporator (400) is lower than a first preset temperature threshold value, adjusting a fan rotation speed of an indoor fan (500) according to a first preset coefficient, so as to obtain an adjusted fan rotation speed; and controlling the operation of an air conditioner according to the adjusted fan rotation speed and the retaining time.

IPC Classes  ?

• F24F 11/49 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks

Abstract

A water supply system for a refrigeration device, and a refrigeration device (600). The water supply system comprises a water quality purification assembly (100), a first water channel (300) and a second water channel (400); the first water channel (300) is suitable for connecting an external water source to a water inlet end of the water quality purification assembly (100); the second water channel (400) is connected to a water outlet end of the water quality purification assembly (100) so as to selectively supply water from the water quality purification assembly (100) to a water consumption device (500). By means of the water quality purification assembly (100) and water supply pipelines, the external water source can be filtered, and then directly supplied to the water consumption device (500) in need to integrate the water supply system, so that components are provided in a centralized manner, the design of the water supply pipelines is simplified, and a water supply path is shortened, thereby facilitating the maintenance and replacement of parts of the water supply system, and improving the reliability of the water supply system.

IPC Classes  ?

• C02F 1/00 - Treatment of water, waste water, or sewage
• F25D 11/02 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators with cooling compartments at different temperatures
• F25D 23/02 - Doors; Covers
• F25D 23/12 - Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
• F25C 1/00 - Producing ice

Abstract

A water quality purification assembly (100), comprising a housing assembly (101), a filter element (103), an inner housing (102), and a support member (104). An accommodating cavity is constructed inside the housing assembly (101); the filter element (103) is disposed in the accommodating cavity; the inner housing (102) is disposed between the housing assembly (101) and the filter element (103), and a first flow channel (1013) is constructed between the inner housing (102) and the housing assembly (101); a second flow channel (1014) is constructed between the inner housing (102) and the filter element (103); and the support member (104) is suitable for supporting the filter element (103), a water storage cavity (1041) is constructed between the support member (104) and a bottom wall of the housing assembly (101), and the water storage cavity (1041) is separately communicated with the first flow channel (1013) and the second flow channel (1014). According to the water quality purification assembly (100), the water storage cavity (1041) for water storage is disposed in the water quality purification assembly (100), such that the degree of integration of the water quality purification assembly (100) is higher, and the water quality purification assembly (100) not only has a purification function, but also has a water storage function.

IPC Classes  ?

• B01D 29/15 - Supported filter elements arranged for inward flow filtration
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis

Abstract

A water quality purification assembly (100) and refrigeration equipment. The water quality purification assembly (100) comprises: a first water port, a second water port, an inner housing (13), an outer housing (14), a water filtering unit (15), and a flow guide member (16); the inner housing (13) is provided in the outer housing (14); the water filtering unit (15) is provided in the inner housing (13); the flow guide member (16) is provided between an outer wall surface of the inner housing (13) and an inner wall surface of the outer housing (14), and a first flow guide channel is defined between the inner housing (13) and the outer housing (14); the first water port, the first flow guide channel, the inner housing (13), and the second water port are sequentially communicated; the first flow guide channel is used for guiding water to flow in an extending direction of the first flow guide channel; and one of the first water port and the second water port is a water inlet (11), and the other of the first water port and the second water port is a water outlet (12). According to the water quality purification assembly (100), an internal water flow path is optimized, the integration of a water purification function and a water mixing prevention function is implemented, and purified water subjected to cooling treatment can be conveniently provided for a water consumption device of the refrigeration equipment.

IPC Classes  ?

• B01D 29/33 - Self-supporting filtering elements arranged for inward flow filtration
• B01D 29/88 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ;   Filtering elements therefor having feed or discharge devices
• B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ;   Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
• B01D 35/30 - Filter housing constructions
• C02F 1/28 - Treatment of water, waste water, or sewage by sorption
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
• F25D 11/02 - Self-contained movable devices associated with refrigerating machinery, e.g. domestic refrigerators with cooling compartments at different temperatures

Abstract

An air duct member (1) and a household appliance comprising same. The air duct member (1) comprises an air inlet channel (11) and air outlet channels (12) that are communicated with each other; the number of the air outlet channels (12) is greater than one, and the air outlet channels (12) comprise a first air outlet channel (121) and a second air outlet channel (122) that are oppositely arranged; outgoing air of the first air outlet channel (121) is suitable for blowing to a first group (3) to be cooled, and outgoing air of the second air outlet channel (122) is suitable for blowing to a second group (4) to be cooled; and the first group (3) to be cooled and the second group (4) to be cooled are respectively located at different positions.

IPC Classes  ?

• F24C 7/02 - Stoves or ranges heated by electric energy using microwaves
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• H05B 6/64 - Heating using microwaves

Abstract

A permanent magnet motor detection method and device, a readable storage medium, a permanent magnet motor, a compressor, and heating and ventilation equipment. The detection method comprises: under the condition that a permanent magnet motor is shut down and a rotor keeps rotating, obtaining an input voltage and a rotating speed of the rotor of the permanent magnet motor; and determining a demagnetization parameter of a permanent magnet according to the input voltage and the rotating speed of the rotor.

IPC Classes  ?

• H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage
• G01R 33/12 - Measuring magnetic properties of articles or specimens of solids or fluids
• G01R 31/34 - Testing dynamo-electric machines

Abstract

A water heater (100) and a control method for a water heater (100). The water heater (100) comprises a plurality of inner containers (10) and a plurality of electronic anodes (30). The plurality of inner containers (10) are in communication with each other, each inner container (10) is provided with at least one electronic anode (30), and the electronic anode (30) can be electrically connected to the inner container (10). The water heater (100) can prevent a situation wherein the inner containers (10) leak after being corroded, and can prolong the service life of the inner containers (10).

IPC Classes  ?

• F24H 9/45 - Arrangements for preventing corrosion for preventing galvanic corrosion, e.g. cathodic or electrolytic means
• F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL - Details
• F24H 9/20 - Arrangement or mounting of control or safety devices
• F24H 15/421 - Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data

Abstract

A method for forming an air return pipe, comprising: controlling a blank (26) to enter a forming cavity, controlling a die core (23) to press the blank (26) such that the blank (26) passes through a first die body (21), and obtaining a first length value of a first formed pipe section formed by the first die body (21); determining that the first length value reaches a first set parameter value, controlling a second die body (22) to press part of the first formed pipe section such that the part of the first formed pipe section is formed into a second formed pipe section, and obtaining a second length value of the second formed pipe section; determining that the second length value reaches a second set parameter value, and controlling the second die body (22) to stop pressing; and controlling a third formed pipe section formed by the first die body (21) to reach a third set parameter value. A forming die (20), comprising the die core (23), the first die body (21) and the second die body (22), wherein the forming cavity is formed between the die core (23) and the first die body (21), the second die body (22) is arranged on one side of a discharge end of the first die body (21) and is provided with a protrusion (223) facing a center of the second die body (22). An air return pipe (10), comprising a first pipe section (11), a second pipe section (12) and a third pipe section (14) which are formed by pressing, wherein the second pipe section (12) is located between the first pipe section (11) and the third pipe section (14), the second pipe section (12) is provided with an accommodation portion, and the accommodation portion is recessed towards a center of the second pipe section (12) and extends in an axial direction of the second pipe section (12). The plurality of pipe sections having different cross-sectional shapes are continuously pressed, so that the plurality of pipe sections are integrally formed, thereby eliminating welding spots between every two adjacent pipe sections, and reducing the leakage risk of the air return pipe.

IPC Classes  ?

• B21C 37/06 - Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
• B21C 37/15 - Making tubes of special shape; Making the fittings
• B21C 23/08 - Making wire, rods or tubes
• B21C 25/08 - Dies or mandrels with section variable during extruding, e. g for making tapered work; Controlling variation

Abstract

A method for detecting a refrigerant leakage position, and a storage medium and an air conditioning system. The method comprises: determining a state of a refrigerant, which flows through a point to be subjected to detection (S1); detecting a temperature change of said point (S2); and according to the state of the refrigerant and the temperature change, determining whether refrigerant leakage occurs at said point (S3).

IPC Classes  ?

• F24F 11/36 - Responding to malfunctions or emergencies to leakage of heat-exchange fluid
• F24F 11/64 - Electronic processing using pre-stored data
• F24F 11/61 - Control or safety arrangements characterised by user interfaces or communication using timers
• F24F 11/65 - Electronic processing for selecting an operating mode
• F24F 11/89 - Arrangement or mounting of control or safety devices
• F25B 41/31 - Expansion valves

Abstract

An air treatment device and a control method for the air treatment device. The air treatment device comprises: a housing component and an air guide component. The housing component is provided with an air outlet. The air guide component is arranged at the air outlet and comprises one or more air deflectors which are arranged at intervals. The air guide component further comprises a drive apparatus. The drive apparatus comprises a resonant actuator, and the resonant actuator can drive the air deflectors to resonate so as to achieve a turbulent flow.

IPC Classes  ?

• F24F 13/14 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built-up of tilting members, e.g. louvre
• F24F 1/0011 - Indoor units, e.g. fan coil units characterised by air outlets

Abstract

Provided are a compressor surge detection method and apparatus, an electronic device, and a heating and ventilation device. The compressor surge detection method comprises: collecting operation data of a compressor, wherein the operation data includes pressure data, current data, and power data, and the pressure data includes suction pressure data and exhaust pressure data (S102); calculating the surge pressure ratio of the compressor on the basis of the pressure data (S104); calculating fluctuation indexes of the compressor on the basis of the operation data, wherein the fluctuation indexes include an exhaust pressure fluctuation index, a current fluctuation index, and a power fluctuation index (S106); determining weighting factors and surge factors of the compressor on the basis of the fluctuation indexes and the surge pressure ratio, wherein the weighting factors include an exhaust pressure weighting factor, a current weighting factor, and a power weighting factor, and the surge factors include an exhaust pressure surge factor, a current surge factor, and a power surge factor (S108); determining, on the basis of the weighting factors and the surge factors, whether the compressor has a surge (S110). Weighting factors and surge factors are used to determine whether a compressor has a surge, thus improving the surge detection accuracy.

IPC Classes  ?

• F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids

Abstract

The present application relates to the field of speech synthesis. Provided is a speech synthesis method, comprising: segmenting a rhythm phoneme sequence of target text, so as to generate a plurality of clause sequences, wherein the rhythm phoneme sequence comprises a plurality of phonemes corresponding to the target text, and rhythm identifiers, each of which is located between adjacent phonemes, with each clause sequence comprising at least one phoneme; performing speech synthesis on a first sub-rhythm phoneme sequence in the plurality of clause sequences, so as to obtain first speech information; and outputting the first speech information, and performing speech synthesis on a second sub-rhythm phoneme sequence in the plurality of clause sequences, so as to generate second speech information, wherein the second sub-rhythm phoneme sequence is at least one clause sequence, which is located after the first sub-rhythm phoneme sequence, in the rhythm phoneme sequence. By means of the speech synthesis method of the present application, the feedback from a system after same has received a network speech synthesis service request is effectively sped up, and the waiting time of users is shortened.

IPC Classes  ?

• G10L 13/02 - Methods for producing synthetic speech; Speech synthesisers
• G10L 13/04 - Methods for producing synthetic speech; Speech synthesisers - Details of speech synthesis systems, e.g. synthesiser structure or memory management
• G10L 13/10 - Prosody rules derived from text; Stress or intonation
• G10L 13/08 - Text analysis or generation of parameters for speech synthesis out of text, e.g. grapheme to phoneme translation, prosody generation or stress or intonation determination
• G10L 13/06 - Elementary speech units used in speech synthesisers; Concatenation rules

Abstract

A packaging assembly. The packaging assembly comprises a protection body (200) used for wrapping at least a part of the outer surface of a product (500) to be protected; energy absorption portions (208) are provided at the bottom corners of the protection body (200), and the energy absorption portions (208) can absorb energy generated when external collision occurs to the protection body (200) so as to relieve packaging tearing caused by collision impact at the bottom of the product (500) to be protected. The packaging assembly can exert the comprehensive protection capability, and has good practical value.

IPC Classes  ?

• 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 25/02 - Internal fittings
• B65D 25/10 - Devices to locate articles in containers

Abstract

A packaging assembly. The packaging assembly comprises a protection body (200); the protection body wraps at least part of the outer surface of a product (500) to be protected; the protection body comprises more than three protection members (201); and one of the protection members is fitted to two adjacent protection members and supports the two adjacent protection members. The packaging assembly has a high comprehensive protection capability and good practical value.

IPC Classes  ?

• B65D 6/24 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor collapsible with detachable components
• B65D 85/30 - Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
• B65D 81/02 - 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
• 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

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 door lock device (100) and an electric cooking appliance (1000). The door lock device (100) comprises a catch member (10) and a limiting assembly (20). A rotating member (21) of the limiting assembly (20) can rotate relative to the catch member (10) to switch between a locked state and an unlocked state. When the rotating member (21) switches to the unlocked state, the rotating member (21) avoids the catch member (10); and when the rotating member (21) switches to the locked state, the rotating member (21) is used for limiting the displacement of the catch member (10) in a first direction.

IPC Classes  ?

• E05B 65/00 - Locks for special use
• F24C 15/02 - Doors specially adapted for stoves or ranges
• F24C 7/02 - Stoves or ranges heated by electric energy using microwaves

Abstract

A door lock structure (10) for a cooking device (1), and a cooking device (1) having same. The cooking device (1) comprises a cabinet body (32) and a door body (31). The door lock structure (10) comprises: a flip member (20); a first reset member (14), the first reset member (14) being configured to provide, to the flip member (20), a first restoring force of rotating toward an untriggered position; a limiting member (12), the limiting member (12) being movably disposed on the cabinet body (32) between a first position and a second position; a second reset member (15), the second reset member (15) being configured to provide, to the limiting member (12), a second restoring force of moving toward the first position; the door lock structure (10) is configured such that the reset speed of the flip member (20) rotating toward the untriggered position is greater than the reset speed of the limiting member (12) moving toward the first position. The door lock structure (10) can prevent children from being scalded by accidental touch.

IPC Classes  ?

• E05B 65/00 - Locks for special use
• E05B 65/52 - Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
• E05B 17/22 - Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
• E05B 15/00 - Other details of locks; Parts for engagement by bolts of fastening devices
• E05C 19/00 - Other devices specially designed for securing wings

Abstract

The present application relates to the technical field of computers, and provides a motion planning method and apparatus, and a robot. The method comprises: obtaining image information of a current scene; obtaining target object information on the basis of the image information; respectively inputting the target object information into N motion planning models, and obtaining N first motion trajectories output by the N motion planning models, the N motion planning models having the same structure and different parameters, and N being a positive integer greater than 1; and determining a target motion trajectory on the basis of the N first motion trajectories. According to the method, the N motion planning models having the same structure and different parameters are configured, the target object information is processed, and the N motion planning models output N different first motion trajectories, so that the accuracy of the target motion trajectory can be improved, the structure of the model does not need to be redesigned, and wide applicability is achieved; moreover, based on the motion planning method, a service robot can be intelligently controlled to move according to the target motion trajectory.

IPC Classes  ?

• G06T 7/20 - Analysis of motion
• G06N 3/04 - Architecture, e.g. interconnection topology

Abstract

A door lock structure (100), a household appliance (1000), and a control method for the household appliance (1000). The door lock structure (100) comprises a snap-fit member (10), a bracket (20), and a limiting member (40). The snap-fit member (10) is provided on a door body (200) and comprises hooks (11); the bracket (20) is provided on a box body (300) and comprises limiting parts (21); the hooks (11) can penetrate into the bracket (20); the door body (200) is connected to the box body (300) in an opening and closing manner; the limiting part (40) is rotatably mounted on the bracket (20), and can move reciprocatingly between an unlocked position and a locked position; a driving assembly (30) and the limiting member (40) are engaged with or disengaged from each other; at the unlocked position, the limiting member (40) avoids the hooks (11); and at the locked position, the limiting member (40) is engaged with the clamping hook (11) to position the position of the clamping hook (11).

IPC Classes  ?

• E05B 65/00 - Locks for special use
• E05B 47/06 - Controlling mechanically-operated bolts by electromagnetically-operated detents
• E05B 43/00 - Time locks
• E05B 63/14 - Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other

Abstract

A door structure (100) and a cooking device (1000). The cooking device (1000) comprises a body (200), and the body (200) comprises a limiting portion (201). The door structure (100) comprises a door (10), a fastening member (20), a switch member (23), and a door handle (30). The door (10) is provided on the body (200). The fastening member (20) is mounted on the door (10). The fastening member (20) comprises a hook (224). The hook (224) is engaged with or disengaged from the limiting portion (201). The switch member (23) works with the fastening member (20) to drive the fastening member (20) to move between a first position (x1) and a second position (x2). The switch member (23) comprises a connecting section (231) and an operating member (233). The connecting section (231) is connected to the fastening member (20). The operating member (233) is in sliding fit with the connecting section (231). The door handle (30) is provided on the door (10); the door handle (30) is provided with a locking groove (141). When the fastening member (20) is located at the first position (x1), the hook (224) is engaged with the limiting portion (201) and at least part of the operating member (233) is located in the locking groove (141) to limit displacement of the fastening member (20); and when the operating member (233) is disengaged from the locking groove (141), the switch member (23) drives the fastening member (20) to move relative to the door (10).

IPC Classes  ?

• E05B 65/00 - Locks for special use
• E05B 63/14 - Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
• E05B 15/00 - Other details of locks; Parts for engagement by bolts of fastening devices
• E05B 15/10 - Bolts of locks or night latches
• E05B 17/00 - Accessories in connection with locks
• E05B 19/10 - Fastening the key bit and bow on the shank of the key

Abstract

A cooking device (100). The cooking device (100) comprises an inner housing (110), wherein an opening (117) and a cavity (115) are formed in the inner housing (110); an outer edge of the opening (117) is provided with a first enamel layer (121); an inner wall of the cavity (115) is provided with a second enamel layer (122); the thickness of the first enamel layer (121) is within a first thickness range, and the thickness of the second enamel layer (122) is within a second thickness range; the lower limit value of the first thickness range is greater than or equal to 100 microns, and the upper limit value of the first thickness range is less than or equal to 270 microns; and the lower limit value of the second thickness range is greater than or equal to 100 microns, and the upper limit value of the second thickness range is less than or equal to 350 microns.

IPC Classes  ?

• A47J 36/02 - Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
• A47J 27/00 - Cooking-vessels

Abstract

A cooking appliance, a control method for a cooking appliance, a control apparatus for a cooking appliance, and a readable storage medium. The cooking appliance comprises: a cavity assembly; a door body provided in the cavity assembly; a latch (300) provided on the door body, the latch (300) being used for connecting to the cavity assembly in an opening/closing manner; a locking member (400) provided in the cavity assembly, wherein when the locking member (400) is located at an unlocking position, the locking member (400) is away from the latch (300), and when the locking member (400) is located at a locking position, the locking member (400) contacts the latch (300) to limit the movement of the latch (300) relative to the door body; and a driving assembly (500) provided in the cavity assembly and used for driving the locking member (400) to move. When the locking member (400) moves to the locking position, the locking member (400) limits the movement of the latch (300) relative to the cavity assembly; therefore, when a user pulls the door body, the latch (300) is difficult to be separated from a fastening position on the cavity assembly, thereby keeping the door body in a locked state, and thus the cavity assembly cannot be opened. The cooking appliance can prevent a child from opening the cavity assembly by mistake, and greatly improves safety in use.

IPC Classes  ?

• F24C 15/02 - Doors specially adapted for stoves or ranges
• F24C 7/02 - Stoves or ranges heated by electric energy using microwaves
• A47J 37/06 - Roasters; Grills; Sandwich grills
• A47J 36/00 - Parts, details or accessories of cooking-vessels

Abstract

A spraying system and a control method and apparatus therefor, an electronic device, a readable storage medium, and an air conditioner. The spraying system comprises a water outlet device (1), a spraying branch (2), a return flow branch (3), and a nozzle (4); a water outlet (11) of the water outlet device (1), the spraying branch (2), and the nozzle (4) are sequentially connected; the spraying branch (2), the return flow branch (3), and a water inlet (12) of the water outlet device (1) are sequentially connected; an electromagnetic valve is disposed in the spraying branch (2) and/or the return flow branch (3), the electromagnetic valve being used to control opening and closing of the spraying branch (2) and/or the return flow branch (3); when the spraying branch (2) is open, liquid flowing out of the water outlet device (1) flows out of the nozzle (4) via the spraying branch (2); and when the return flow branch (3) is open, liquid flowing out of the water outlet device (1) flows into the water outlet device (1) via the return flow branch (3). In this way, implementation of intermittent spraying can be ensured in a spraying system provided with a water pump (5), and water supply pressure can be increased by means of the return flow branch (3), so that the water pump (5) does not need to be frequently started and stopped, and the temperature inside the pump is not increased, thereby ensuring the service life and spraying cooling effect of the system during water-saving operation of the spraying system.

IPC Classes  ?

• F24F 1/14 - Heat exchangers specially adapted for separate outdoor units
• F24F 11/61 - Control or safety arrangements characterised by user interfaces or communication using timers
• F24F 11/64 - Electronic processing using pre-stored data
• F24F 11/65 - Electronic processing for selecting an operating mode
• F24F 11/84 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
• F24F 11/85 - Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
• F25B 39/04 - Condensers

Abstract

Disclosed in the present application are a control method for an air-conditioner indoor unit. The method comprises: when there is an animal in a space adjusted by an air-conditioner indoor unit, acquiring a moving direction of the animal; when the moving direction faces the current air supply area of the air-conditioner indoor unit, determining a first target air-sweeping path of the air-conditioner indoor unit according to a moving path corresponding to the moving direction; and according to the first target air-sweeping path, controlling an air guide assembly of the air-conditioner indoor unit to adjust an air output angle, such that air output from the air-conditioner indoor unit avoids the animal and is adjusted to face a first target area, wherein the first target area is located outside the air supply area. Further disclosed in the present application are an air-conditioner indoor unit and a computer-readable storage medium.

IPC Classes  ?

• F24F 11/79 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
• F24F 11/64 - Electronic processing using pre-stored data
• F24F 11/89 - Arrangement or mounting of control or safety devices
• F24F 1/0011 - Indoor units, e.g. fan coil units characterised by air outlets
• F24F 13/10 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
• F24F 120/12 - Position of occupants
• F24F 120/14 - Activity of occupants
• F24F 120/00 - Control inputs relating to users or occupants

Abstract

Provided in the present disclosure are a spray method and apparatus for an air conditioner, and an electronic device, a readable storage medium and an air conditioner. The method comprises: acquiring an ambient temperature and a compressor temperature; determining the state of a compressor on the basis of the compressor temperature; determining a spray mode for an air conditioner on the basis of the state of the compressor and the ambient temperature; and controlling a solenoid valve of the air conditioner, such that a spray operation corresponding to the spray mode is executed by means of a nozzle of the air conditioner. In the method, a spray mode of an air conditioner can be determined in a timely manner according to an ambient temperature and a compressor, and a spray operation corresponding to the spray mode is executed by means of a nozzle of the air conditioner. Adjustment can be performed at any time according to the surrounding environment, such that a proper spray mode is enabled, thereby improving the energy efficiency of an air conditioner, and avoiding the waste of cooling liquid.

IPC Classes  ?

• F24F 1/14 - Heat exchangers specially adapted for separate outdoor units
• F24F 1/10 - Arrangement or mounting thereof
• F24F 11/64 - Electronic processing using pre-stored data
• F24F 11/65 - Electronic processing for selecting an operating mode