32 results about "Auto-defrost" patented technology

The invention discloses a heat pump water heater defrosting control method and a heat pump water heater using the method. In a heat pump water heater control program, an operation method of adding a forced opening defrosting mode is adopted, so that under the conditions that the weather is very severe and the automatic defrosting fails, the defrosting mode is automatically converted into defrosting at the set time or the manual forced defrosting by users, the defrosting can be continuously carried out, the heating efficiency of the heat pump water heater is enhanced, and the operation reliability is improved. In addition, the heat pump water heater using the method has the advantages that through the monitoring by a monitoring device and the structure matching of an outdoor heat exchanger coil pipe sensor, an outdoor environment sensor, a water inlet monitoring sensor and a water outlet monitoring sensor, the monitoring device controls the operation sequence of the compressor, a gas-liquid separator, a heat exchanger, an electronic expansion valve, a condenser and a four-way valve, the work medium flowing direction is changed, the operation method of adding the forced opening defrosting mode is adopted in the heat pump water heater control program, the operation is convenient, and the structure is reasonable.

The invention belongs to the technical field of refrigerators and particularly relates to an automatic refrigerator defrosting system and a control method. The automatic refrigerator defrosting system comprises a compressor, a refrigerating evaporator, defrosting heaters and a timer which are arranged in a refrigerator, the compressor is communicated with the refrigerating evaporator through a refrigerating pipeline, the defrosting heaters are distributed around the refrigerating evaporator and controlled by the timer, the refrigerating evaporator is a spiral tube evaporator wound outside a refrigerator liner positioned in a foaming layer, and a functional plate for defrosting water to flow into the top and flow out of a refrigerator body is arranged at the top of the refrigerator body. After the timer controls the compressor to be operated for a period of time accumulatively, the compressor is in the off state, the defrosting heaters start to heat for defrosting and then are turned off after defrosting is completed, a timing counter is reset, and the refrigerator is in normal operation. The automatic refrigerator defrosting system and the control method integrate advantages of direct-cooling refrigerators and air-cooling frostless refrigerators, so that the refrigerator is frostless or micro in frost and is capable of automatically treating the defrosting water.

The invention relates to the defrosting and demisting fields of glass products, in particular to the temperature measurement technologies of electric heating glass, and concretely provides an automotive glass system capable of automatic defrosting and demisting, a defrosting method and a demisting method. The automotive glass system capable of automatic defrosting and demisting comprises automotive glass and a power source and further comprises a control unit, a humidity sensor and a current measurement device / resistance measurement device. The humidity sensor is arranged in an automobile to measure the moisture content d of air inside the automobile. The current measurement device / resistance measurement device can measure current I or resistance R of an electric heating element after the electric heating element is powered on. According to the automotive glass system, the defrosting method and the demisting method, the potential safety hazard that glass misting affects the sight of a driver can be eliminated, the safety performance and comfort of automobile driving are improved, and meanwhile a good energy-saving effect is achieved; in the defrosting process, the operation of the driver is simplified, unnecessary energy waste is avoided, the waiting time of the driver in the defrosting process is shortened, and user experience is improved.

The invention discloses an environment room working condition adjusting system which comprises an air conditioner cabinet, a cooling device, a secondary refrigerant freezing circulating pipeline and a secondary refrigerant thermocycling pipeline. The system can work at a temperature lowering state, a working condition stable state, a defrosting state, an after-defrosting recovery state and a temperature raising state. By switching control of the freezing circulating pipeline, the thermocycling pipeline and an air conditioner electric air brake, a proper cold source and a proper heat source can be provided for a freezing surface air cooler and a cold and heat surface air cooler of the air conditioner cabinet, and the stability of environment room temperature and humidity working conditions is guaranteed. Surface air cooler automatic defrosting under the low-temperature working conditions is achieved, environment room working condition stability during the defrosting process can be guaranteed, and long-time operation of the low-temperature working conditions is achieved. The cooling device of the system is provided with a heat recovery unit, waste heat recovery is used for controlling secondary refrigerant temperature, and energy-saving operation is achieved.

The invention discloses an ultralow-temperature air energy heat pump set and a using method thereof, and solves the technical problems that in the prior art, a condenser of the existing air energy heat pump set can not normally defrost and has poor defrosting effect under ultralow temperature condition, an air energy heat pump water heater or heating air conditioner can not normally work when frosting is severe, and the like. The ultralow-temperature air energy heat pump set has the advantages that the structure is simple, the condenser can automatically defrost and has good defrosting effect, and the energy consumption is reduced. The ultralow-temperature air energy heat pump set is characterized in that: a condenser temperature sensor and multiple groups of heating fins are arranged on the condenser of the device, the heating fins are parallel to the fins of the condenser and are fixed on a copper pipe of the condenser, a water temperature sensor is arranged inside a water tank, a compressor, the heating fins, the condenser temperature sensor and water temperature sensor are connected with an external power supply through a controller, and the controller is used for automatically controlling the opening / closing of the heating fins according to the temperature measured by the condenser temperature sensor and the water temperature sensor.

The invention discloses a vehicle defrosting and demisting method and device. The method comprises the steps that after an automatic defrosting and demisting function is started, a shielding area and shielding objects (at least one of frost and fog) of a front windshield are determined based on first light data and second light data of the lower portion and the upper portion of a main view area of a driver on the front windshield; when the sheltering object comprises frost, target working parameters of the air conditioning system are determined based on the sheltering area; if not, the position (one of the inner side and the outer side) of a shelter on the front windshield is determined based on the current temperature parameter and the current humidity parameter inside and outside the vehicle, and the target working parameters of the air conditioning system are determined based on the sheltering area and the position of the shelter; and the air conditioning system is controlled to work according to the target working parameters so as to remove shelters on the front windshield. According to the method and the device, the appropriate working parameters can be automatically selected to quickly defrost and demist, a user does not feel uncomfortable, the trouble of repeated manual adjustment of the user can be avoided, and the driving safety is improved.

The invention discloses a refrigerator capable of automatically defrosting. The refrigerator comprises a refrigerator shell, a working cavity with an opening in the right side is formed in the refrigerator shell, a refrigerator drawer capable of sliding left and right is arranged on the inner wall of the lower side of the working cavity, defrosting assemblies are arranged on the left face and theright face of the refrigerator drawer correspondingly, each defrosting assembly comprises nine first transmission shafts and brushes, the nine first transmission shafts are rotatably connected to theleft end and the right end of the refrigerator drawer in a rectangular array arrangement mode, and the brushes are fixedly arranged on the first transmission shafts. According to the refrigerator, when the refrigerator drawer is controlled to move out rightwards and reset leftwards, the inner wall of the refrigerator can be automatically defrosted, the situation that the refrigerating effect becomes poor or use is affected due to excessive frosting of the refrigerator is prevented, the brushes moved out to the outside can stop rotating in the rightward moving process of the refrigerator drawer, damage to the rotating brushes caused by mistaken touch of other objects is prevented, and meanwhile accidental injuries to people can be prevented.

The invention discloses a cool house instant automatic defrosting control device, which comprises a cool house temperature sensor for measuring the temperature of the cool house, a frost temperature sensor for measuring the temperature of frost on the surface of an evaporator of an air cooler, a cool house temperature secondary instrument for setting temperature bound of the cool house, a frost temperature secondary instrument for setting temperature bound of the frost, the air cooler arranged in the cool house, a refrigerator arranged outside of the cool house and a control circuit for controlling the operation of the air cooler and the refrigerator. The control device makes the evaporator of the air cooler in the cool house defrost instantly and release cooling air to the cool house, so that the cool house has no frost and high-efficiency and safe operation. The control device has the advantages of delicate and simple structure of circuits, strong operability and low failure rate.

The invention discloses an ultralow-temperature air energy heat pump set and a using method thereof, and solves the technical problems that in the prior art, a condenser of the existing air energy heat pump set can not normally defrost and has poor defrosting effect under ultralow temperature condition, an air energy heat pump water heater or heating air conditioner can not normally work when frosting is severe, and the like. The ultralow-temperature air energy heat pump set has the advantages that the structure is simple, the condenser can automatically defrost and has good defrosting effect, and the energy consumption is reduced. The ultralow-temperature air energy heat pump set is characterized in that: a condenser temperature sensor and multiple groups of heating fins are arranged on the condenser of the device, the heating fins are parallel to the fins of the condenser and are fixed on a copper pipe of the condenser, a water temperature sensor is arranged inside a water tank, a compressor, the heating fins, the condenser temperature sensor and water temperature sensor are connected with an external power supply through a controller, and the controller is used for automatically controlling the opening / closing of the heating fins according to the temperature measured by the condenser temperature sensor and the water temperature sensor.

The invention discloses an evaporator defrosting and deicing assembly, and belongs to the technical field of evaporator deicing and defrosting. The evaporator defrosting and deicing assembly aims at solving the problems that when a current evaporator conducts automatic defrosting and deicing work, automatic cleaning cannot be achieved, cleaning work is complex, and time and labor are wasted. The evaporator defrosting and deicing assembly comprises a cold storage and an evaporator installed on the ceiling of a cold storage, and also comprises at least one crushed-ice removal transporting device, and the crushed-ice removal transporting device is located under the evaporator; a conveying belt is arranged at the lower portion of the tail end of the crushed-ice removal transporting device, anda crushed-ice collecting groove is formed in the tail end of the conveying belt. According to the evaporator defrosting and deicing assembly, it can be achieved that crushed ice is automatically removed through the crushed-ice removal transporting device, normal using of the cold storage is not influenced, and meanwhile a large amount of time and labor can be saved.

The invention discloses an automatic defrosting device for a freezer, and relates to the technical field of freezers. The automatic defrosting device for the freezer comprises the freezer, wherein a first shell is fixedly connected to the top of the freezer, a defrosting mechanism is arranged on one side of the freezer, a collecting box is fixedly connected to one side of the freezer, a cleaning mechanism is arranged in the freezer, a processing mechanism is arranged on the first shell, a second shell is arranged in the first shell, the inner wall of the first shell is fixedly connected with afixed transverse column, and a coil pipe is arranged in the second shell. According to the device, an air cooler body can be subjected to defrosting treatment through spraying treatment, compared with pure inflow water, strong brine has higher freezing point temperature, so that frosting is prevented, the refrigeration effect is indirectly improved, and the frosting in the freezer is avoided; anda hot gaseous condensing agent is poured into a cavity, so that the air temperature of the first shell and the second shell can be raised again, and frosting layers on the surfaces of the first shelland the second shell are melted or peeled off.

The invention relates to the technical field of heat exchangers, and discloses a heat exchanger capable of automatically defrosting or deicing. The heat exchanger comprises a tube bank and fins. A refrigerating medium can be introduced into the tube bank, the fins are arranged on the outer wall of the tube bank, and the heights of the fins extend in the radial direction of the tube bank. Each fincomprises a first heat conduction part and a second heat conduction part that are sequentially connected to the tube bank, and the heat conductivity coefficient of the second heat conduction part is smaller than that of the first heat conduction part and the tube bank. The outer surface of the first heat conduction part and the outer surface of the tube bank are each coated with a micron-scale ornano-scale hydrophobic layer, and the hydrophobic layers are hydrophobic coatings or hydrophobic oil films. According to the heat exchanger capable of automatically defrosting or deicing, the heat conductivity coefficient of the second heat conduction part is relatively low, frost or ice on two sides of the tube bank can be separated under a cold release working condition, the tube bank is prevented from being annularly wrapped by the frost or ice, and meanwhile, a frost layer or an ice layer can automatically fall off under the action of gravity through the hydrophobic coatings or the hydrophobic oil films, and a heating and defrosting process can be omitted, and the cold release heat exchange efficiency of the heat exchanger is improved.

The invention relates to the technical field of cold chain systems, and discloses an intelligent manufacturing refrigeration house rapid and automatic defrosting device based on the temperature difference principle. The rapid and automatic defrosting device comprises a shell, a gear rotating seat is movably connected to the interior of the shell, and the gear rotating seat is connected with an automatic defrosting mechanism and an automatic antibacterial liquid spraying mechanism. After a refrigerator in the refrigeration house frosts, the temperature difference between an outer thermoelectricmaterial and an inner thermoelectric material is inconsistent, so that a coil in a magnetic conductor generates voltage, a permanent magnet moves in the direction away from the magnetic conductor tostretch an extension spring, and meanwhile, the permanent magnet moves outwards to be engaged with a driving gear; and due to the fact that refrigerating fan blades are always in the state of rotatingoutwards to discharge air, the driving gear is driven to rotate, due to the meshing effect of the permanent magnets, the driving gear rotates to drive the rotating fan blades to rotate, the rotatingfan blades rotate to discharge internal water vapor through a vapor discharge outlet, and therefore the function of rapid and automatic defrosting is achieved.

The invention discloses a refrigerator with automatic defrosting and deodorizing functions. The refrigerator comprises a refrigerator shell, wherein an air blowing cavity and an air suction cavity areformed in the refrigerator shell; the air suction cavity is located on the lower side of the air blowing cavity; the air blowing cavity communicates with the air suction cavity through a deodorizingblock; a deodorizing mechanism is arranged in the air blowing cavity; the deodorizing mechanism comprises an air blowing motor fixedly connected with the inner wall of the left side of the air blowingcavity; an air blowing shaft is rotationally arranged on the right end surface of the air blowing motor; and air blowing fan blades are fixedly arranged on the right end surface of the air blowing shaft. According to the refrigerator, automatic defrosting and deodorizing of the refrigerator can be realized, a fan can enable air in the refrigerator to flow, the air can be accelerated to pass through activated carbon while defrosting is carried out, so that the deodorizing effect is achieved; and a cam can be dredged in time when a water outlet is blocked, so that water accumulation in the refrigerator is prevented, a threaded rod can enable articles in a freezing chamber to enter a refrigerating chamber, and refrigeration and maintenance of the articles can be ensured while defrosting is carried out.

The invention discloses a monitoring window glass automatic defrosting and dehumidifying linkage system which comprises a temperature sensor, an ARM core processing board, a heating circuit and window glass. The input end of the ARM core processing board is connected with the temperature sensor, and the output end of the ARM core processing board is connected with a windscreen wiper and a heating circuit; the output end of the windscreen wiper and the output end of the heating circuit are window glass, and data is transmitted to the ARM core processing board through the temperature sensor; and real-time rapid processing is carried out through a chip in the ARM core processing board. Due to the fact that a frost temperature is low, the system can directly heat the glass, frost outside the window glass can melt in a short time, a windshield wiper mode is started for linkage treatment at the moment, water drops generated by the outer glass are cleaned, internal heating is performed, external windshield wipers are used, and the window is ensured to be clear in the shortest time.

The invention belongs to the related technical field of refrigerators, and particularly relates to a novel refrigerating unit with automatic defrosting, automatic ventilating and fresh keeping functions. The novel refrigerating unit comprises a box body, a cooling mechanism is mounted on one side of the inner side of the box body, a connector is welded on the outer side wall of the box body, an adjusting mechanism is mounted above the outer side of the connector, and a sensing mechanism is mounted in front of the inner side of the connector in a threaded manner. A ventilating mechanism is mounted above the inner side of the box body, a peculiar smell purification mechanism is welded to the lower portion of the outer side of the ventilating mechanism, a gas cavity is welded to the lower portion of the outer side of the peculiar smell purification mechanism, a gas outlet is formed in front of the outer side of the gas cavity, meanwhile, the gas outlet and a second dustproof net are mounted in a cooperation manner, and a sliding groove is formed in the lower portion of the inner side of the gas cavity. By arranging the peculiar smell purification mechanism, peculiar smells of air canbe purified, the situation that air sucked into the box body cannot be subjected to peculiar smell purification and circulate to the inner side of an adjacent device is avoided, and the use performance of the device is improved.

The invention relates to a low-temperature heat pump air conditioner and its automatic defrosting method, which mainly includes a vapor-liquid separator, a compressor, an evaporator and a condenser, and the outer coil temperature sensor installed on the condenser is installed on the The ambient temperature sensor near the heat sink on the air inlet side of the condenser, the upper heating belt and the lower heating belt on the gas-liquid separator, and the heat insulation layer wrapped around the outer layer of the gas-liquid separator. During the heating process of the low-temperature heat pump air conditioner, the non-frost operation of the condenser is realized through the method of compensating the superheat degree of the refrigerant. Using the low-temperature heat pump air conditioner of the present invention can maintain a relatively stable heat exchange temperature difference, and keep it between 1.5°C and 3°C, so that the condenser does not frost when the relative humidity is below 80% in a low-temperature environment, The air conditioner always maintains a stable heating operation process, saves electric energy, and has a good heating effect.

The invention discloses automatic defrosting equipment for indoor glass. The equipment comprises a fixed shell fixed to a windowsill, a first moving cavity penetrating through a front wall and a rearwall of the fixed shell is formed in the fixed shell, and the first moving cavity is aligned with glass needing to be defrosted. The automatic defrosting equipment has he advantages of simple structure, convenience in use, two threaded rods drive a movable box to move left and right; the movable box moves up and down through gears and racks, so that the movable box moves in the plane where the whole glass is located, meanwhile, a defrosting box can be controlled to move in the movable box through a telescopic rod, and it is guaranteed that the defrosting box can be close to the glass to complete defrosting work in windowsills with different depths. Hydrogen is also used as an energy source for heat production, the reaction is pollution-free, and meanwhile, the boiled water is collected andused for electrolyzing reaction to generate hydrogen and oxygen so as to improve the combustion raw materials.

The invention discloses a transcritical CO 2 A composite heat pump system, including a first evaporator, a regenerator, a first compressor, a first gas cooler, a first expansion valve, a gas-liquid separator, a second compressor, a second gas cooler, and a second expansion valve and the second evaporator; using two sets of independent heat pump systems, using transcritical CO 2 The heat pump system heats the inlet water at 40-50°C to the outlet water temperature at 60-80°C; the invention adjusts the transcritical CO 2 Gas cooler outlet CO in heat pump 2 temperature to ensure that the heat pump system operates at the maximum heating energy efficiency ratio; the present invention introduces the gas-liquid separator and the regenerator into the transcritical CO 2 The heat pump system enables the heat pump cycle system to operate stably under wide operating conditions; in order to solve the problem of transcritical CO 2 The frosting phenomenon during the operation of the heat pump system, through the use of the solenoid valve, can reduce the impact on the compressor while realizing the automatic defrosting of the system.

The invention discloses an energy-saving refrigerator capable of automatically defrosting. The energy-saving refrigerator comprises a refrigerator shell, a refrigerator is arranged in the refrigeratorshell, a heat exchanger is arranged on the left side of the refrigerator, a freezing cavity is formed in the refrigerator shell, a cold storage cavity is formed below the freezing cavity, and a freezing device is arranged on the left side of the freezing cavity; and the freezing device is provided with a defrosting mechanism capable of preventing the freezing device from being frosted. The energy-saving refrigerator is simple in structure and easy and convenient to operate, when the energy-saving refrigerator is used, after a refrigerator door is opened, a lamp of a refrigerator can be turnedon, a defrosting device is powered on to work at the moment, therefore moisture, making contact with the cooling device, of the outside and frost formed before are removed and used for refrigerationwork, and accordingly, energy consumption of the refrigerator is reduced; and by means of the design, the refrigerator door can be automatically closed after a period of time, therefore the situationthat after the refrigerator is used, the door is forgotten to be closed, the power consumption of the refrigerator is increased is avoided, and it is guaranteed that food in the refrigerator cannot gobad under the condition that the temperature rises because the door is not closed.

The invention relates to an automatic defrosting and defogging method and system. The detection module is used to detect the content of frost or fog on the glass, and the control module controls the operation of the defroster according to the content of frosting or fogging. The control strategy is: start defrosting or defogging At this time, the defroster is controlled to operate at a set initial power, and then the operating power of the defroster is gradually reduced according to the change of the frost or fog content on the glass. According to the state of frost or fog on the windshield, the operating power of the defroster is adjusted in real time. During the working period of the defroster, it can achieve fast defrosting, and can also minimize energy consumption and improve defrosting and defogging. reliability. Moreover, it is of great significance to effectively improve the utilization rate of energy and realize the intelligent control of the defroster to reduce the burden on the driver, improve the driving experience of the driver, and reduce the energy consumption of the vehicle.

The invention relates to a defrosting device, heating equipment, an automatic defrosting control method and a storage medium. The defrosting device is used for defrosting fins of an outdoor unit of the heating equipment. The defrosting device comprises a power source and a defrosting device, the pulse capacitor is connected with the power supply; the coil is connected with the pulse capacitor in parallel, and the coil is in contact with the fins; the first switch is connected with the pulse capacitor in series, and the first switch is further connected with the coil in series. According to the defrosting device, the heating equipment and the automatic defrosting control method, the defrosting process has no influence on continuous and stable heating of the heating equipment system, on one hand, the fault problem caused by freezing of an outdoor unit is avoided, on the other hand, the influence on the indoor temperature in the defrosting process is avoided, and the indoor comfort degree is improved.

Automatic defrost technology for refrigeration equipment, in particular, defrosting refrigeration equipment by acceleration defrosting sublimation effects in refrigeration chambers in continual operation below the freezing point of water. Useful for refrigeration equipment for storage of vaccines and other products having storage temperatures ranging from −58 degrees Fahrenheit and 5 degrees Fahrenheit.

The invention provides a freezer defrosting device and belongs to the technical field of freezer defrosting, the freezer defrosting device comprises a freezer body, a second defrosting assembly, a frosting assembly, an elastic assembly, a power supply assembly and a conductive assembly, the frosting assembly is arranged in the freezer body and connected with the inner wall of the freezer body through the elastic assembly, a frosting face is arranged on one side of the frosting assembly, and the power supply assembly is arranged on the other side of the frosting assembly. The power supply assembly and the second defrosting assembly are both installed in the cabinet body, the conductive assembly is movably installed on one side of the frosting assembly, and when the weight of the frosting assembly is increased, the frosting assembly can drive the conductive assembly to move and achieve electric conduction of the power supply assembly and the second defrosting assembly. And the second defrosting assembly defrosts the inner wall of the cabinet body. Compared with the prior art, automatic defrosting of the freezer can be achieved, and the freezer has the advantages of being simple in structure and good in defrosting effect.

The invention discloses an automatic defrosting system of an air heat source pump. The automatic defrosting system comprises a solar power supply module, an electric heating defrosting module and a defrosting control module. Wherein the solar power supply module comprises a solar panel and a battery pack, the solar panel is installed on the top of the air source heat pump outdoor unit through a light following device, the solar panel charges the battery pack through a constant-current charger, and the light following device is electrically connected with the battery pack; the electric heating defrosting module comprises an electric heating element laid on an outdoor finned evaporator of the air source heat pump; the electric heating element is electrically connected with the battery pack; the defrosting control module comprises a controller, a temperature sensor, a humidity sensor and a frost layer thickness sensor, and the temperature sensor, the humidity sensor and the frost layer thickness sensor are all in electric signal connection with the controller; the controller is in control connection with the electric heating element; and the controller is electrically connected with the battery pack.

The invention discloses a refrigeration device, a storage box and a defrosting method thereof. The storage box is used for storing items in a space below 0 degrees Celsius. The storage box includes: a bottom wall; a plurality of side walls, the The bottom wall and a plurality of the side walls are arranged to form a storage cavity; the air duct accommodated in the storage cavity, the air duct is arranged on at least one of the side walls, and the air duct is installed with There is at least one fan, and a plurality of air passages are opened on the air duct close to the side wall. The invention can control the fan in the air duct to start and run, so that the air channel on one side of the fan enters the air, and the air channel on the other side of the fan outputs the air, forming a turbulent flow close to the side wall in the storage box, thereby Frosting on the side wall is avoided, so that the storage box has an automatic defrosting effect, and manual defrosting is not required, thereby improving user experience.

The invention belongs to the technical field related to refrigerators, in particular to a new type of refrigeration unit with automatic defrosting, automatic ventilation and fresh keeping, including a box body, a cooling mechanism is installed on the inner side of the box body, and the outer side wall of the box body A connector is welded, an adjustment mechanism is installed above the outer side of the connector, and a sensing mechanism is installed on the inner front thread of the connector, a ventilating mechanism is installed on the inner side of the box, and the outer side of the ventilating mechanism is lower. An odor purifying mechanism is welded, and a gas chamber is welded on the outer side and lower side of the odor purifying mechanism, and an air outlet is opened on the outer front of the gas chamber, and the air outlet is installed with the second dust-proof net at the same time, and the inner and lower sides of the gas chamber are A chute is provided. The present invention can purify the peculiar smell of the air by setting the peculiar smell purifying mechanism, avoiding that the air sucked into the box body cannot be purified and circulated to the inner side of the adjacent device, and the use performance of the device is improved.

The invention relates to the technical field of freezing equipment, in particular to an automatic defrosting device for a freezer. An air cooler is fixedly connected with a freezer body and located on the inner side wall of the freezer body, a spraying mechanism is arranged above the air cooler, a heating mechanism is arranged above the freezer body, a cleaning mechanism is arranged in the freezer body, and the interior of a box body is of a cavity structure; and the box body is fixedly connected with the freezer body and located on one side of the freezer body, a water inlet pipe communicates with the box body and located above the box body, and a motor is fixedly connected with the box body and located at the bottom of the box body. Through the structures, operation is more convenient, manual operation is not needed, and a large number of manpower and resources are saved.