459 results about "Freezing chamber" patented technology

The invention provides a defrosting control method based on near-end strategy optimization and a refrigerator. The method comprises the steps that target data of the refrigerator are collected; processing the collected target data, judging whether missing values and abnormal values exist in the data or not, and respectively processing the missing values and the abnormal values; constructing a state space of the multivariable strategy network based on the preprocessed data; meanwhile, energy consumption, freezing chamber temperature fluctuation, compressor starting and stopping times, defrosting interval time and defrosting duration are calculated based on the preprocessed data, and a multi-target reward function is constructed; training the constructed strategy network by using a near-end strategy optimization algorithm; and the trained lightweight strategy network model is embedded into an equipment end control device, and a defrosting control scheme is output. The near-end strategy optimization method of deep reinforcement learning is applied to refrigerator defrosting decision making, the defrosting opportunity is dynamically decided through the deep reinforcement learning strategy network, comprehensive optimization of energy consumption and temperature stability is achieved, energy consumption is reduced, temperature fluctuation is reduced, and the service life of a compressor is prolonged.

The invention relates to a production method of beer with high alcohol content, and belongs to the technical field of beer production. According to the method, beer is frozen into a solid state (hereinafter referred to as an ice body), a heat source is arranged in a specific direction to transfer heat to the beer ice body, and the alcohol content of the beer is improved through temperature-controlled dissolution. The specific orientation of the heat source is set to be a directional area. For example, when the beer is frozen into an ice body (a freezing chamber or a container) from the cooling surface, the specific orientation is an orientation which is vertically separated from the cooling surface towards the ice body (from the cooling surface). After the beer is frozen into an ice body, according to the solute content of the ice body, the specific orientation is the orientation where the solute content of the ice body is high. The beer is frozen into an ice body, and the alcohol content of the beer is gradually reduced in a temperature-controlled dissolution process by arranging a heat source in a specific direction. And according to the requirement of the target alcohol content, the solution is retained in sections, so that the beer with different alcohol contents is obtained. And transferring the beer conforming to the target alcohol content to the next link for storage (utilization). For beer which does not meet the target alcohol content, the alcohol content of the beer can be continuously improved through the method (repeated freezing, dissolving and segmented taking). The method is simple to operate, high in efficiency and capable of being operated at normal pressure and low temperature, substances which are beneficial to health and sensitive to heat sensitivity in the beer are reserved, and the alcohol content, the taste and the fragrance of the beer are greatly improved.

The present disclosure relates to a refrigerator, and the refrigerator includes a cabinet divided into a refrigerating compartment on the upper side and a freezing compartment on the lower side by a barrier; a refrigerating compartment door and a freezing compartment door for opening and closing the refrigerating compartment and the freezing compartment; a water supply device provided in the refrigerating compartment and mounted on an upper surface of the barrier; an ice maker provided in the freezing compartment and mounted on a lower surface of the barrier; and a water supply pipe provided at the barrier and guiding water from the water supply device to the ice maker, in which the water supply device and the ice maker are disposed so that at least a part overlaps each other, and the water supply pipe passes through the barrier between the water supply device and the ice maker in a vertical direction.

The invention relates to an infrared unfreezing method and device, an electronic device, a storage medium and a refrigerator, and the infrared unfreezing method comprises the following steps: obtaining the thickness of a to-be-unfrozen object, and determining a first infrared ray according to the thickness of the to-be-unfrozen object; obtaining the temperature of a partial freezing chamber in real time, and adjusting the wavelength of the first infrared ray according to the temperature of the partial freezing chamber to obtain a target unfreezing infrared ray; and heating and unfreezing the to-be-unfrozen object by adopting the target unfreezing infrared ray according to a preset heating control logic. Through the application, the problems of non-uniform thawing and low efficiency are solved, uniform thawing is realized, and the thawing efficiency is improved.

An ice making module (100), and an ice maker and refrigerator having same. In the ice making module (100), a lifting device drives an upper die (26) to ascend or descend. After descending, the upper die (26) matches with a lower die (13) to form a plurality of ice making cavities. The top of the upper die (26) is provided with a plurality of water inlet holes, which are respectively in communication with the cavities. A quantitative water supply system (7) is in communication with the water inlet holes (261) to achieve quantitative water supply. The lower die (13) is connected to a turning device. The bottom of the lower die (13) is attached to a heat transfer block (12). Further comprised is a separation apparatus and / or a vent hole (122). The separation apparatus is used for separating the heat transfer block (12) and the lower die (13). The vent hole (122) communicates a gap between the heat transfer block (12) and the lower die (13). By means of the present ice making module (100), ice can be rapidly made, the dies can be rapidly separated from the heat source, the dies are easy to turn over, and the ice maker can collect overflow water to prevent the overflow water from soaking the device. The refrigerator is connected in series with an evaporator (33) of the ice making module (100) by means of an evaporator (102) of the refrigerator, or directly uses air from an air port of an air duct of a freezing chamber of the refrigerator to cool the dies, thereby saving energy.

The utility model discloses refrigeration equipment, and belongs to the technical field of electrical equipment. The refrigeration equipment comprises a box body, a refrigerating chamber, a freezing chamber and a wide variable-temperature chamber, the first middle partition plate divides an inner cavity of the refrigerating chamber into two refrigerating cavities, a first air outlet flow channel is formed in the first middle partition plate, and first air outlets are formed in the two side walls of the first middle partition plate correspondingly; the second middle partition plate is arranged between the freezing chamber and the wide variable-temperature chamber, a second air outlet is formed in the second middle partition plate, the freezing chamber is communicated with the second air outlet flow channel through the second air outlet, and the second air outlet is formed between the second middle partition plate and the rear wall of the freezing chamber; and the air guide piece is arranged in the wide variable-temperature chamber, a fourth air outlet flow channel is formed in the air guide piece, the fourth air outlet flow channel communicates with the air outlet cavity, a fourth air outlet is formed in the air guide piece, and the fourth air outlet communicates with the fourth air outlet flow channel and the wide variable-temperature chamber. The refrigeration equipment provided by the utility model can give consideration to the ultrathin specification, sufficient storage capacity and stable refrigeration performance.

To provide a high-humidity cooling storage system which generates stable low-temperature, high-humidity air, thereby realizing a uniform storage space without unevenness where no wind is felt, and also making the storage clean and free from the generation of bacteria and mold. [Solution] A high-humidity cooling storage system is provided which comprises a direct-contact cooler and a bag-shaped duct placed inside the storage facility, the direct-contact cooler comprising a cooling water circulation system with a sprinkler, a water tank and a pump, a refrigerant circulation system which supplies refrigerant from the freezer to a fin coil, a heat exchanger, a fan and a filter to prevent water droplets from scattering, and the air inside the refrigerator drawn in by the fan passes through the fin coil, the heat exchanger, the sprinkler and the filter to prevent water droplets from scattering, where it is cooled and highly humidified before being sent to the bag-shaped duct, and the cooled and highly humidified air is supplied uniformly from the bag-shaped duct into the storage facility.

The invention relates to the technical field of air duct cover plate production, in particular to a freezing chamber air duct cover plate production device and method.The freezing chamber air duct cover plate production device comprises a conveyor, a production mechanism is arranged on the conveyor and used for cover plate machining, and the production mechanism comprises a material storage assembly and a material conveying assembly, a feeder is arranged on the positioning part and is used for feeding a cover plate; the feeding assembly is arranged on the storage assembly and used for feeding the cover plate; the detection assembly is arranged in front of the upper end of the conveyor and used for detecting the cover plate; the auxiliary assembly comprises an overturning part arranged behind the upper end of the conveyor and used for overturning the cover plate, and an adsorption part is arranged on the overturning part and used for adsorbing the cover surface; stable adsorption of multi-specification cover plates is achieved by adjusting the distance between the suction cups, the double-face detection precision is ensured through the servo driving turnover mechanism, and an efficient automatic production line is formed in cooperation with a visual detection system arranged in a crossed mode.

The utility model is applicable to the technical field of quick freezing of fish ball products, and provides quick freezing equipment for fish ball products, which comprises a main box body, a movable support, a storage tank, a driving chamber, a first driving structure, a second driving structure, a freezing chamber and a water storage chamber are arranged in the main box body, the movable support is arranged in the main box body, the storage tank is arranged in the main box body, and the first driving structure is arranged in the main box body. The driving chamber is arranged at the side end of the main box body, the first driving structure is arranged in the driving chamber, the second driving structure is arranged in the movable support, and the freezing chamber and the water storage chamber are symmetrically arranged in the main box body. The fish ball quick-freezing device solves the technical problem that the fish ball quick-freezing device cannot completely filter water, the water filtering device is not directly communicated with the freezing chamber, so that water cannot flow into the freezing chamber due to blockage of the filtering holes to freeze the conveying belt during filtering, in addition, the fish ball quick-freezing device is further provided with a fan, and the cooling effect is good. The fish balls can be primarily cooled, and evaporation of water can be accelerated, so that the refrigeration efficiency is improved.

A freeze drying system (200) having a nozzle (30) operated at a setpoint pressure to generate fluid product drops (242) for freezing in a freezing chamber (244) of a freezing vessel (228). The freezing chamber includes an inner wall (250) that defines a cavity (254) and an outer wall (252) having an inlet (260) that extends from a location on the outer wall that is lower than an outlet (262). A cooling fluid flows through the inlet, cavity and outlet to form a freezing zone (280). A drying chamber (304) having sloped shelves (352) receives frozen particles (282) from the freezing chamber. A heating element (418) is associated with each shelf that heats the frozen particles to promote sublimation. Vibration elements (396, 398, 400, 402) located outside the drying chamber vibrate the shelves causing the frozen particles to move from shelf to shelf to form freeze dried product (284).

1. Name of the designed product: refrigerator shelf (freezing chamber). 2. Use of the designed product: refrigerator shelf for freezing chamber. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention discloses liquid nitrogen freezing equipment for aquatic product processing, and relates to the field of aquatic product freezing, the liquid nitrogen freezing equipment for aquatic product processing comprises a refrigerator, a liquid nitrogen storage chamber and an aquatic product freezing chamber are arranged in the refrigerator, a plurality of groups of separation cold conduction mechanisms are mounted in the aquatic product freezing chamber from top to bottom, and each separation cold conduction mechanism comprises a mainboard and a control guide plate; the control guide plate is movably assembled in the inner cavity, a liquid nitrogen flow cavity for liquid nitrogen to flow is formed in the control guide plate, an outer guide hole is formed in the surface of the main plate, an inner guide hole is formed in the surface of the control guide plate, and the control guide plate can horizontally move in the inner cavity. The aquatic product freezing chamber is provided with the separation cold conduction mechanism, and the aquatic product freezing chamber can be divided into a plurality of areas through the separation cold conduction mechanism, so that when the whole aquatic product freezing chamber is filled with aquatic products, liquid nitrogen can uniformly flow into the aquatic products in all the areas through separation and conduction of the separation cold conduction mechanism; therefore, the effect of uniform and rapid freezing is achieved, and the freezing quality of aquatic products is guaranteed.

To provide a refrigeration device capable of preventing deterioration in quality due to freezing. [Solution] The device comprises a main body 10 having a freezer space 11h in which an object to be frozen is accommodated, a cold air generator 13 having the function of generating cold air, and a control unit 30 which controls the operation of the cold air generator 13. The main body 10 comprises a circulation flow path 12 which is arranged to surround the freezer space 11h and circulates cold air around the freezer space 11h, a flow rate adjustment unit 15 which supplies the cold air in the circulation flow path 12 to the freezer space 11h through a cold air supply port 15a formed in the wall 10a of the freezer space 11h, and a cold air suction unit 20 which sucks in the cold air in the freezer space 11h through a suction port 20a formed in the wall 10b of the freezer space 11h. The control unit 30 has the function of controlling the flow rate adjustment unit 15 so that the cold air supplied from the flow rate adjustment unit 15 forms a flow along the wall 10b of the freezer space 11h where the suction port 20a of the cold air suction unit 20 is formed.

The application discloses a kind of air-cooled refrigerator CAN bus multi-node instruction scheduling method and system, it is related to refrigerator control technical field, it is solved in the air-cooled refrigerator multi-node CAN bus control scene, when sudden heat load of freezing chamber, emergency refrigeration switching instruction is easily crowded by ordinary periodic message and leads to the problem of execution lag, first build cabinet temperature acquisition result, message category and periodic occupation relationship, then according to temperature deviation, temperature rise rate, door opening disturbance and forecast overrun result generate cabinet emergency degree, and form emergency refrigeration instruction set and ordinary message degradation set, then according to basic cycle division synchronous reference window, emergency exclusive window, key feedback window and ordinary arbitration window, make emergency refrigeration instruction priority transmission and priority confirmation, finally according to key message response delay, cabinet recovery state and ordinary message backlog situation iteration correction next round of scheduling parameters, to improve the timeliness and stability of multi-node collaborative control under sudden load scenario.

The application provides a refrigerator and a control method, a control device and a storage medium thereof. The method comprises the following steps: obtaining a first temperature of an evaporator surface in a first refrigeration cycle and determining the first temperature as a first threshold value when the refrigerator enters a stable running state, wherein the first temperature is the highest temperature in the first refrigeration cycle; obtaining a current temperature of the evaporator surface in a current refrigeration cycle; determining whether there is a new load based on the current temperature and the first threshold value; and adjusting the running parameters of the refrigerator to increase the refrigerating capacity if there is a new load. The method provided by the application can realize the identification of the new load without increasing hardware, and timely increase the refrigerating capacity when there is a new load, so as to avoid the temperature of the freezer room rising too high and ensure the preservation effect of food.

The utility model relates to the technical field of refrigerator ice making, in particular to a refrigerator. The refrigerator comprises a refrigerator body, an air supply mechanism, an ice making box and a storage partition plate, a freezing chamber, an air supply channel and a first air channel are arranged in the refrigerator body, and the air supply channel supplies air to the freezing chamber through the first air channel; the air supply mechanism is installed on the box body and can convey cold air to the air supply channel. The ice making box can be accommodated in the freezing chamber; the storage partition plate is mounted in the freezing chamber and is close to the ice-making box; and a second air duct is formed in the storage partition plate, one end of the second air duct communicates with the air supply channel, and the other end of the second air duct communicates with the ice making box, so that cold air in the air supply channel can be conveyed to the ice making box through the second air duct. The ice making speed is high, the ice making efficiency is high, cold air supplied to the ice making box for ice making does not pass through the first air duct any more, it is also avoided that peculiar smell is brought into the ice making box through circulating cold air, and the ice making quality is improved.

A refrigerator is proposed. The refrigerator includes a manipulation part including a rotating shaft and a manipulation knob, an opening / closing part configured to have a curved surface and located at a position adjacent to the circumference of the rotating shaft such that the opening / closing part opens and closes a communication portion between an inlet part and an enlarged part of a flow guide, and an angle limiting part configured to limit the rotation angle of the manipulation knob, whereby the manipulation knob of a thermostat for temperature control of the freezer compartment is configured to have the operation angle of 120˜160°, thereby improving manipulation satisfaction during the manipulation of the manipulation knob by a user.

A refrigeration appliance and a method for operating a refrigeration appliance are described. The refrigeration appliance has a refrigerator compartment and a freezer compartment, which are cooled by evaporators connected in parallel. The evaporators are supplied with refrigerant sequentially or in parallel. When both evaporators are supplied in parallel, a flow limiting circuit can be activated via a valve arrangement to restrict the flow of refrigerant into the evaporator cooling the freezer compartment and thereby ensure that both evaporators are sufficiently filled with refrigerant.

1. Name of the product in this design: Electronic device with a graphical user interface for adjusting cabin parameters. 2. Application of this design: This design is intended for use in an electronic device. 3. The key design features of this product are its graphical user interface content. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. The electronic device described in this design is a conventional design, and the rear view, left view, right view, top view, and bottom view of designs 1-10 are omitted. 6. Design 1 is designated as the basic design. 7. Purpose of the graphical user interface: This product design allows users to adjust the parameters of different compartments of the refrigerator through interactive operation, such as adjusting the temperature or mode of different compartments. 8. Human-computer interaction methods of graphical user interface: User interaction operations include voice interaction commands and operation via wired or wireless remote control. It should be noted that the "gray tiles" in the graphical user interface represent variable images, and the "XX" in the graphical user interface represent variable numbers or text. The graphical user interface in the main view of Design 1 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks "Freezer" through interactive operation, the graphical user interface in the main view of Design 1 changes to the graphical user interface in the interface change state diagram of Design 1. Users can adjust the temperature of the freezer compartment and whether to turn on the quick freeze function in this graphical user interface. The graphical user interface in the main view of Design 2 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks "Freezer" through interactive operation, the graphical user interface in the main view of Design 2 changes to the graphical user interface of the interface change state diagram of Design 2. Users can adjust the temperature of the freezer compartment and whether to turn on the quick freeze function in this graphical user interface. The graphical user interface in the main view of Design 3 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks on "Refrigerator" through interactive operation, the graphical user interface in the main view of Design 3 changes to the graphical user interface of the Design 3 interface change state diagram. Users can adjust the temperature of the refrigerator compartment and whether to turn on the quick cooling function and holiday mode in this graphical user interface. The graphical user interface in Design 4's main view is the main page for adjusting refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment through this user interface. When the user clicks on "Refrigerator Compartment" through interactive operation, the graphical user interface in Design 4's main view changes to the graphical user interface in Design 4's interface change state diagram. Users can adjust the temperature of the refrigerator compartment and whether to turn on the quick-cooling function and holiday mode through this graphical user interface. The graphical user interface in Design 5's main view is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment through this user interface. When the user clicks "One-Click Freeze Compartment" through interactive operation, the graphical user interface in Design 5's main view changes to the graphical user interface in Design 5's interface change state diagram. Users can turn the one-click freeze compartment function on or off through this graphical user interface. The graphical user interface in the main view of Design 6 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks "One-Click Freeze Compartment" through interactive operation, the graphical user interface in the main view of Design 6 changes to the graphical user interface of the interface change state diagram in Design 6. Users can turn the one-click freeze compartment function on or off in this graphical user interface. The graphical user interface in the main view of Design 7 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks on "Molecular Preservation Compartment" through interactive operation, the graphical user interface in the main view of Design 7 changes to the graphical user interface of the Design 7 interface change state diagram. In this graphical user interface, users can see the corresponding function introduction of the Molecular Preservation Compartment according to different food items. The graphical user interface in Design 8's main view is the main page for adjusting refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment on this user interface. When the user clicks on "Molecular Preservation Compartment" through interactive operation, the graphical user interface in Design 8's main view changes to the graphical user interface in Design 8's interface change state diagram. On this graphical user interface, users can see the corresponding function introduction of the Molecular Preservation Compartment according to different food items. The graphical user interface in the main view of Design 9 is the main page for adjusting the refrigerator compartment parameters. Users can see the temperature, mode, and details of all food items in each compartment in this user interface. When the user clicks on the "left variable temperature compartment" through interactive operation, the graphical user interface in the main view of Design 9 changes to the graphical user interface of the Design 9 interface change state diagram. Users can adjust the temperature of the left variable temperature compartment and whether to turn on the soft freeze function in this graphical user interface. The graphical user interface of the design 10 main view is the main page for adjusting the parameters of the refrigerator compartments. In this graphical user interface, the user can see the temperature, mode and details of all food materials of each compartment. When the user clicks "left variable temperature room" through interactive operation, the graphical user interface of the design 10 main view changes into the graphical user interface of the design 10 interface change state view. In this graphical user interface, the user adjusts the temperature of the left variable temperature room and whether to turn on the soft freezing function.

The invention discloses a freezer and a control method of the freezer. The freezer comprises a freezer body device, a switch assembly, a cold supply device and a control device. The cabinet body device comprises a cabinet body assembly, the cabinet body assembly comprises a freezing chamber and a refrigerating chamber which are arranged in a spaced mode, and the cabinet body assembly is provided with a first containing cavity, a first flow channel, a second flow channel, a third flow channel and a fourth flow channel. The switch assembly is arranged on the cabinet body assembly so that the first containing cavity can communicate with or be separated from the refrigerating chamber through the first flow channel and the second flow channel and the first containing cavity can communicate with or be separated from the freezing chamber through the third flow channel and the fourth flow channel. The cold supply device comprises a refrigeration evaporator and a freezing evaporator. The control device is in communication connection with the cold supply device and the switch assembly, so that when the freezer is configured to be in the first operation state, the refrigeration evaporator and the freezing evaporator are in the cold supply state. When the switch assembly is in the first state, the first containing cavity communicates with the freezing chamber through the third flow channel and the fourth flow channel, and the refrigerating chamber is separated from the first flow channel and the second flow channel.

The application provides a refrigerator with a refrigeration chamber located at the bottom of a freezing chamber, which comprises a cabinet, a lower part of which defines the freezing chamber, and a bottom of the freezing chamber is formed with the refrigeration chamber; an evaporator in the form of a flat cuboid as a whole is installed in the refrigeration chamber; an evaporator front baffle is arranged at the front of the refrigeration chamber; an evaporator cover is arranged at the upper part of the evaporator; a filling part is located between the evaporator cover and the top of the evaporator; a supply air duct is arranged at the rear of the freezing chamber, and the lower end of the supply air duct is provided with a supply air port opening to the rear of the refrigeration chamber, and the supply air duct supplies air to the freezing chamber through a freezing air inlet opening to the freezing chamber; and an evaporator fan is arranged at the supply air port to send the air in the refrigeration chamber into the supply air duct. The refrigerator optimizes the installation mode of the evaporator, improves the utilization efficiency of the space of the refrigerator, facilitates the taking and placing operation of the user, and ensures the smooth return air of the refrigeration chamber.

The invention particularly relates to multifunctional integrated food storage equipment integrating preservation, freezing and unfreezing, and belongs to the technical field of food storage equipment. The storage equipment comprises a fresh-keeping chamber, a freezing chamber and an unfreezing chamber and further comprises a circulation assembly, and the circulation assembly comprises a main track, a plurality of branch tracks, a steering component and a circulation vehicle. And the plurality of sub-rails are respectively butted with the fresh-keeping chamber, the freezing chamber and the unfreezing chamber. The steering component comprises a steering seat and a steering table, the steering seat is arranged at the tail end of the main track, the steering table is rotationally connected to the steering seat, the steering table is provided with a steering track, and the head ends of the multiple branch tracks are arranged in the circumferential direction of the steering table. The circulation vehicle is movably arranged on the main track. When the steering table rotates, the steering track on the steering table can be in butt joint with different tracks, so that the different tracks can be in butt joint through the steering component, the transfer trolley can move along the tracks, and food can be transferred in different cavities conveniently.

1. The name of the design product: the frozen air duct cover plate (AD-4). 2. The use of the design product: for the air forced circulation of the freezing chamber. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a slaughtering plant transportation technical field and relates to a pneumatic propelling device with self-protection, which comprises left slide rails and right slide rails, wherein the left slide rails and the right slide rails are fixedly installed in a freezing chamber, the right slide rails are arranged on the side of the freezing chamber far from a door, the left slide rails are fixedly installed on the side close to the door of the freezing chamber, a push head connecting structure is arranged between the left slide rails and the right slide rails, a connecting plate is fixedly installed between the left slide rails and the right slide rails, the push head connecting structure can push the suspension piece to move unidirectionally under the reciprocating action of a pneumatic structure, the suspension piece can naturally and orderly advance under the unidirectional pushing of the push head connecting structure, and thus the suspension piece can be distributed in the whole freezing chamber. The push head connecting structure reciprocally moves on the track, the suspension piece of the suspension rod is always moved forward by using the unidirectional pushing action of the poking rod, and the suspension piece provided with a livestock white strip can naturally and orderly advance to the inside of the freezing chamber, so that the suspension piece can be distributed in the whole precooling room.

The invention provides a constant-temperature freezing refrigerator and a control method. The constant-temperature freezing refrigerator comprises a freezing chamber, an evaporator, a defrosting heater and an air duct system. The air duct system comprises a back air duct and an overhead air duct; the back air duct and the evaporator are both arranged on the back side of an inner container of the freezing chamber, and the evaporator is located between the inner container and the back air duct. The overhead air duct is arranged at the top of an inner container of the freezing chamber and is communicated with the back air duct; a cold storage module and a partition plate are arranged in the top air duct, and an inner cavity of the top air duct is divided into an upper-layer air duct and a lower-layer air duct by the cold storage module and the partition plate; the upper-layer air duct is provided with an upper-layer air inlet communicated with the back air duct and an upper-layer air outlet leading to the freezing chamber; a fan is arranged in the lower-layer air duct, and the lower-layer air duct is provided with an air outlet and an air return port which are communicated with the freezing chamber, so that the problem that the temperature of the freezing chamber of the refrigerator is unstable is solved.

A cart, for transporting a plurality of items at a product storage facility, is provided. The cart includes: a frame; wheels mounted to and supporting the frame; at least one support member mounted to the frame and configured to support ambient-temperature items thereon; a refrigerator compartment mounted to at least one of the frame and the at least one support member and configured to store chilled items therein; and a freezer compartment mounted to at least one of the frame and the at least one support member and configured to store frozen items therein.

The invention discloses an air-cooling defrosting device of a frostless refrigerator and a control method. When the compressor works, a liquid refrigerant enters the evaporator coil through the expansion valve to be gasified. The shaftless fan and the electromagnetic pawl at the front end of the stator are powered on, the rotor can only blow air in the forward direction, the shaftless fan pumps out air in the quick-freezing chamber and feeds the air into the foamed plastic heat preservation special-shaped square pipe, steam in the air releases evaporation heat, and the evaporation heat is condensed on the evaporator coil pipe to form frost. Cold air pushes away the heat insulation cloth strips on the horizontal gaps and enters the quick-freezing chamber. After the compressor stops working, the shaftless fan is powered on again, the electromagnetic pawl at the rear end of the stator is powered on, the rotor can only blow air after rotating reversely, 4-DEG C air and water vapor in the fresh-keeping chamber enter the foamed plastic heat preservation special-shaped square pipe, heat and cold air are released on the evaporator coil pipe and return to the fresh-keeping chamber, and frost on the evaporator coil pipe is melted into water. 0 DEG C water is pushed by flowing air to flow into the vertical foam plastic heat preservation wide square pipe, penetrates through the sponge and flows into the water collecting tank from the water drainage pipe.

The utility model relates to the technical field of refrigerator manufacturing technique provides a meal side cabinet refrigerator, including inner bag subassembly and air cooling subassembly, and the back wall area of freezing inner bag one side is equipped with containing recess; Air cooling subassembly includes first evaporimeter, main body frame, inboard and side plate, and the inboard and main body frame enclose and form to have installation chamber, and the side plate and main body frame enclose and form air inlet channel, and first evaporimeter is located in installation chamber, air cooling subassembly is located in containing recess, and inboard is configured as the lateral wall of freezing chamber, the utility model discloses a freezing inner bag one side wall is formed to air cooling subassembly as freezing inner bag, thereby can avoid air cooling subassembly for freezing inner bag in depth direction space's occupation, has improved the utilization of refrigerator for depth space.

The utility model discloses a box body structure of a portable refrigerator, which comprises a refrigerator main body, a freezing chamber is arranged in the refrigerator main body, the lower part of the freezing chamber is connected with a drainage channel for draining water from the lower part of the refrigerator main body, and a plug capable of closing the drainage channel is arranged on the drainage channel. Rollers are rotatably connected below the rear portion of the refrigerator body, supporting legs matched with the rollers to support the refrigerator body so as to enable a drainage port of the drainage channel to be higher than the ground are arranged below the front portion of the refrigerator body, the drainage channel connected with the lower portion of the freezing chamber allows a user to easily drain internal accumulated water without turning over the refrigerator, and the drainage process is simplified. The possibility that the outer surface of the refrigerator makes contact with the ground is avoided, the contamination risk of dust, dirt and bacteria is reduced, it can be guaranteed that the drainage port is always higher than the ground through matched use of the supporting legs and the rollers, drainage blockage is prevented, and the drainage efficiency and sanitary conditions can be further improved.