224 results about "Freezing chamber" patented technology

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 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.

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 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.

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.

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 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.

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.

A refrigerator of the present invention comprises: a cabinet for providing an accommodation space of articles; a refrigeration chamber which is the accommodation space for storing the articles in a refrigerated state; a refrigeration chamber door for opening / closing the refrigeration chamber; a freezer chamber which is the accommodation space for storing the articles in a frozen state; and a switching chamber which is provided at the refrigeration chamber door and has an internal temperature which can be implemented to be higher than the temperature of the refrigeration chamber or lower than the temperature of the refrigeration chamber.

This invention provides a freezer and its refrigeration and defrosting control method. The freezer includes a cabinet and a lid. The cabinet includes an outer shell, an inner liner housed within the outer shell, and a refrigeration system. The inner liner includes a refrigerator compartment, a freezer compartment, and a deep-freeze compartment arranged sequentially at intervals. The refrigeration system includes an evaporative refrigeration device and a semiconductor refrigeration device. The evaporative refrigeration device includes an evaporator, a refrigeration duct, an evaporator fan, and a compressor. The inner wall of the refrigerator compartment has a refrigerator air outlet and a refrigerator air return outlet connected to the refrigeration duct. The inner wall of the freezer compartment has a freezer air outlet and a freezer air return outlet connected to the refrigeration duct. The semiconductor refrigeration device includes a semiconductor refrigeration chip sandwiched between the freezer compartment and the deep-freeze compartment; and a power supply device for supplying power to the semiconductor refrigeration chip. The semiconductor refrigeration chip has a cold end facing the deep-freeze compartment and a hot end facing the freezer compartment.

The invention provides a refrigeration control method of a refrigerator, the refrigerator and a readable storage medium. The refrigerator comprises a freezing chamber, a main air outlet and an end air outlet. The main air outlet is formed in the middle area of the top wall of the freezing chamber; the end air outlet is formed in the edge area of at least one side of the top wall of the freezing chamber. The freezing control method of the refrigerator comprises the steps that the temperature of food materials placed in the freezing chamber is obtained; judging whether the temperature of the food material is within the temperature range of the maximum ice crystal generation zone or not; if so, controlling the main air outlet to be opened and controlling the main air outlet to discharge air to the lower part of the freezing chamber; if not, the end air outlet is controlled to be opened, the end air outlet is controlled to discharge air to the lower portion of the freezing chamber, and the main air outlet is controlled to discharge air to the side portion of the freezing chamber or be closed. According to the freezing control method of the refrigerator, humidity control and temperature control of the food materials can be both considered, the freezing storage environment of the food materials is optimized, and the freshness of the food materials is kept.

To provide a household refrigerator that can store food while suppressing chilling damage and maintaining its quality. [Solution] In this embodiment, the household refrigerator 1 has a control unit 45 that repeatedly performs a refrigeration cooling operation to cool the refrigerated storage compartment and a freezing cooling operation to cool the freezer compartment, while repeatedly performing a cooling and preservation operation to adjust the refrigerated storage compartment to a first temperature above the freezing point, and a recovery operation to adjust the refrigerated storage compartment to a second temperature higher than the first temperature to recover from low-temperature damage to food. The control unit performs such a procedure that the total time for performing one cooling and preservation operation and one recovery operation is longer than the total time for performing one refrigeration cooling operation and one freezing cooling operation.

The utility model discloses a freezer for cooling cooked food, which comprises a freezer body, a freezing chamber is arranged in the freezer body, a limiting guide mechanism is arranged on the inner wall of the freezing chamber, a freezing box is connected onto the limiting guide mechanism, a handle is fixedly connected to the front side of the freezing box, and the handle is fixedly connected with the freezing chamber. A supporting base is arranged at the bottom of an inner cavity of the freezing box, when the freezing box in the freezing box is pulled, the freezing box is guided through rotation of an upper guide wheel and a lower guide wheel of a limiting guide mechanism, the freezing box can be prevented from being tilted during pulling, the limiting effect is achieved, and by arranging the supporting base and a supporting net, when cooked food is stored, the supporting base is not prone to falling off when the cooked food is stored. When the cooked food is placed on the supporting net, the cooked food can be prevented from being attached to the bottom of the inner cavity of the freezing box after being frozen, the cooked food can be conveniently taken out, by arranging the partition plate, different cooked food can be separated through the partition plate when being stored in the same freezing box, and the utilization rate of the space in the freezing box is increased.

A refrigerator includes a housing defining an interior, a freezer compartment disposed in the interior, and a cooling unit for cooling the interior of the refrigerator. The freezer compartment has a freezer compartment door. The cooling unit includes a heat exchanger disposed in the interior of the housing. At least one vent duct extends vertically through the freezer compartment door. The at least one vent duct has a first end in communication with an upper region of the interior of the refrigerator. An airflow path extends between the heat exchanger and a lower end of the at least one vent duct. A cooling fan is disposed in the interior of the refrigerator for directing an air source through the heat exchanger, along the airflow path, through the at least one vent duct, and into the upper region of the interior of the refrigerator. The cooling unit includes a cooling unit housing located at a rear side of the refrigerator. The cooling unit housing defines a U-shaped airflow path extending between an inlet and an outlet, the inlet and the outlet being located at the same side of the refrigerator. The refrigerator according to the present disclosure can provide more efficient cooling for the upper region of the refrigerator.

The utility model relates to a refrigerated storage. The refrigerated storage (1) in the embodiment (1) includes: cold air outlet (lower side cold air outlet (25b)) for blowing out cold air to freezing chamber (9), the first freezing chamber container (lower freezing chamber container (16)) of the upper surface opening of freezing chamber (9) is arranged, and the cold air guide part (50) formed in the first freezing chamber container. The refrigerated storage (1) is configured with the cold air guide part (50) in the position corresponding to the back surface part and the bottom surface part of the first freezing chamber container and the back surface part and the bottom surface part with the gap, forms the cold air guide channel (60) of the cold air flowing from the back surface part to the bottom surface part through the gap.

A refrigerator appliance may include a freezer chamber having a freezer door rotatably mounted thereto. The freezer chamber may include an inner liner having a top freezer wall that defines one or more air channels. In addition, the refrigerator appliance may include an ice making assembly positioned at the freezer door. Furthermore, the refrigerator appliance may include one or more air guides that protrude into the freezer chamber from the top freezer wall. The refrigerator appliance may also include a light assembly attached to the top freezer wall. The light assembly may include a light source and a light lens that covers the light source.

The utility model relates to the technical field of latex product production, in particular to a latex refrigerating machine which comprises an equipment body and a refrigerating system. The refrigerating system comprises a compression refrigerating machine, an air supply port of the compression refrigerating machine is communicated with an air supply pipe, two sides of one end of the air supply pipe are communicated with air supply branch pipes, one end of each air supply branch pipe is communicated with a first-stage capillary pipe, and the other end of the first-stage capillary pipe is communicated with a first cooling pipe disc. One end of the second-stage capillary tube is communicated with the second cooling pipe discs, the second-stage capillary tube and the second cooling pipe discs are embedded in the chamber wall of the freezing chamber, and the lower ends of the two second cooling pipe discs are communicated with the air return pipe. According to the utility model, a refrigerant conveying path is optimally designed into two branches which are respectively arranged on the two sides of the freezing chamber, so that the cold environment in the freezing chamber is uniformly distributed, and the freezing effect is improved.

The application provides a refrigeration system and a refrigeration control method. The refrigeration system comprises a compressor, a condenser, a four-way electromagnetic valve, a refrigeration evaporator, a freezing evaporator and a temperature control module, the temperature control module comprises a refrigeration chamber temperature sensor, a freezing chamber temperature sensor and a controller, the compressor is provided with a main suction port, a secondary suction port and an exhaust port, the exhaust port is sequentially connected with the condenser and an inflow end of the four-way electromagnetic valve, the four-way electromagnetic valve is provided with three outflow ends, wherein the first outflow end is sequentially connected with the refrigeration evaporator and the main suction port, the second outflow end is sequentially connected with the freezing evaporator, and the third outflow end is sequentially connected with the freezing evaporator and the secondary suction port, and the compressor and the four-way electromagnetic valve are connected with the controller. The application further provides a refrigeration control method, realizes the phased and stepped regulation and control of the refrigeration system, avoids the waste of refrigeration capacity and improves the performance of the refrigeration system.

The invention relates to the technical field of refrigerators, in particular to an unfreezing refrigerator. The unfreezing refrigerator comprises a refrigerator body, a drawer and an air blowing assembly. The refrigerator body is provided with a freezing chamber. The drawer is arranged in the freezing chamber and comprises a bottom plate and side plates, the bottom plate and the side plates are connected and define an unfreezing space for placing food, and the bottom plate is hollow and forms a cavity; the air blowing assembly is arranged in the cavity and can drive air in the cavity to flow, and the cavity communicates with the refrigerator cabin; a plurality of air blowing holes are formed in the bottom plate, and the cavity is communicated with the unfreezing space through the air blowing holes. The refrigerator has the advantages that the air blowing assembly is arranged in the cavity in the bottom plate, so that air in the refrigerator cabin flows into the cavity and flows to the unfreezing space through the air blowing holes communicated with the cavity, and therefore the air is blown to food to be unfrozen, the food can be evenly blown, the temperature of the food is slowly increased, and the situation that the food is heated unevenly due to the too high temperature is avoided; the nutrition loss is caused by continuous heating of local parts, and the taste is influenced.

The application discloses a kind of aquatic processing liquid nitrogen freezing equipment, it is related to aquatic freezing field, including freezer, liquid nitrogen storage room and aquatic freezing chamber are equipped in freezer inside, multiple groups of partition cooling mechanism are installed from top to bottom in aquatic freezing chamber inside, partition cooling mechanism includes main plate and control guide plate, inner cavity is equipped in main plate inside, control guide plate is movably assembled in inner cavity, liquid nitrogen flow cavity for liquid nitrogen flow is equipped in control guide plate inside, outer guide hole is opened in the surface of main plate, inner guide hole is opened in the surface of control guide plate, control guide plate can move horizontally in inner cavity.The application is set by partition cooling mechanism in aquatic freezing chamber, aquatic freezing chamber can be divided into multiple areas by partition cooling mechanism, so that when aquatic fills entire aquatic freezing chamber, by the distribution of partition cooling mechanism, liquid nitrogen can be evenly flowed into aquatic in each area, so that the effect of uniform and rapid freezing is realized, and the quality of aquatic freezing is guaranteed.

The application provides a method and a device for controlling humidity of a freezing chamber of an air-cooled refrigerator, the method comprising: controlling the compressor to operate at a first rotating speed, so that the temperature of refrigerant flowing in the evaporator module is lower than the temperature of air in the freezing chamber, and the evaporator module is at least partially frosted; controlling the compressor to operate at a second rotating speed, so that the temperature of refrigerant flowing in the evaporator module is increased to sublimate the frost of the evaporator module, thereby humidifying the freezing chamber, wherein the second rotating speed is lower than the first rotating speed. The method for controlling humidity of the freezing chamber of the air-cooled refrigerator can effectively increase the humidity of the freezing chamber to reduce dry consumption of food materials and enhance the preservation capacity of the refrigerator.

The application discloses a refrigerator and a refrigeration control method thereof. The refrigerator comprises a cabinet, a refrigeration system and a controller. The refrigeration system comprises a first refrigeration system and a second refrigeration system. The controller is configured to: when the refrigerator operates normal refrigeration, the first refrigeration system operates, and R600a refrigerant enters a refrigeration evaporator, a temperature-variable evaporator and a freezing evaporator to perform refrigeration; when the refrigerator operates deep refrigeration, the first refrigeration system and the second refrigeration system operate simultaneously; R600a refrigerant enters the refrigeration evaporator and the temperature-variable evaporator to perform refrigeration; and R290 refrigerant enters the second evaporator to perform refrigeration on the freezing chamber. For a three-system refrigerator, the application uses a double-compressor double-refrigeration system, two refrigeration systems use different refrigerants, whether the second refrigeration system is started can be selected according to different refrigeration requirements, and the second refrigeration system can adopt a smaller compression ratio to realize corresponding refrigeration requirements due to the cascade effect, thereby effectively improving the refrigeration efficiency and reducing the noise in the refrigeration process.

Disclosed is a refrigerator. The present invention provides a refrigerator having a freezing chamber and a refrigerating chamber, the refrigerator including: an ice maker provided in the freezing chamber or a freezing chamber door configured to open / close the freezing chamber; a dispenser provided in a refrigerating chamber door configured to open / close the refrigerating chamber; a water tank provided in the refrigerating chamber door, the water tank having an inlet for putting in water and an outlet for supplying water to the dispenser; a pump configured to send water supplied from the water tank to the ice maker; and a sliding cap movably provided in the water tank so as to be selectively coupled to a passage connected to the pump.

This application provides a control method and system for a frost-free refrigerator. The method includes: acquiring the average ambient temperature and the average return gas pipe temperature within a first preset time period; obtaining the return gas temperature based on the average ambient temperature and a return gas temperature gauge; obtaining the return gas pipe temperature difference based on the average return gas pipe temperature and the return gas temperature; acquiring an execution command based on the return gas pipe temperature difference; the execution command includes: whether the refrigeration compensation heater is turned on, and the rotation speed of the compressor and the refrigeration fan; controlling the frost-free refrigerator to operate according to the execution command, so that the freezer compartment reaches the target temperature, thereby solving the problem that current frost-free refrigerators cannot sense changes in the freezer compartment temperature, and therefore cannot adjust the control logic in time to quickly cool the freezer compartment, which not only affects the cooling effect of the freezer compartment but also leads to an increase in the overall energy consumption of the refrigerator.

The utility model relates to a volute structure and a refrigerator. The volute structure comprises a volute body; one end of the first air supply channel is connected with the volute body, and an end opening of the other end of the first air supply channel forms a first air supply opening which is used for supplying air to the freezing chamber; one end of the second air supply channel is connected with the volute body, a port of the other end of the second air supply channel forms a second air supply outlet, the second air supply outlet is used for supplying air to the refrigerating chamber, and at least part of the side wall of the second air supply channel is sunken in the direction away from an inner cavity of the second air supply channel to form an inward-concave structure. At least part of the side wall of the second air supply channel is arranged to be of the inwards-concave structure, on one hand, airflow can be guided and guided to flow towards the second air supply opening, the guiding effect is achieved, on the other hand, the pressure difference between the second air supply channel and the downstream side space of the second air supply opening can be reduced, and resistance in the air supply process is reduced; therefore, the air supply efficiency to the refrigerating chamber is improved.

The invention discloses a defrosting system and a refrigerator, the defrosting system comprises a refrigerating chamber, the back side of the refrigerating chamber is provided with a refrigerating air channel communicated with the refrigerating chamber; the refrigeration fan is arranged in the refrigeration air duct; the back side of the freezing chamber is provided with a freezing air duct communicated with the cold storage air duct; the evaporator is arranged in the freezing air duct; the refrigeration air door is arranged at the end, connected with the freezing air duct, of the refrigeration air duct so as to connect or disconnect the refrigeration air duct and the freezing air duct. According to the refrigerator, the refrigerating fan can convey high-temperature air in the refrigerating chamber from the refrigerating air duct to the freezing air duct, and when the evaporator is frosted and frozen, the refrigerating fan and the refrigerating air door can be opened after the compressor is closed, so that the high-temperature air in the refrigerating chamber flows into the freezing air duct; according to the refrigerator, the evaporator can be defrosted through the air in the refrigerating chamber, and compared with an existing electric heater defrosting mode, the energy consumption is reduced, and the refrigerator is more energy-saving and environment-friendly.

The invention provides a control method and device of refrigeration equipment and the refrigeration equipment, and relates to the technical field of refrigeration equipment.The control method of the refrigeration equipment comprises the steps that the current refrigeration temperature, collected by a temperature collecting unit, of a refrigeration chamber and the current freezing temperature, collected by a temperature collecting unit, of a freezing chamber are obtained; determining whether the temperature exchange unit meets working conditions or not based on the current refrigeration temperature and the current freezing temperature; if the temperature exchange unit meets the working condition, a target temperature difference value is determined based on the current refrigeration temperature and the current freezing temperature, and the current rotating speed gear of the temperature exchange unit is determined according to the target temperature difference value; and the temperature exchange unit is controlled to start and operate at the current rotating speed gear, so that the problem of high energy consumption caused by continuous operation or timing control of the temperature exchange unit can be avoided. And meanwhile, the temperature uniformity between a refrigerating chamber and a freezing chamber in the refrigeration equipment can be effectively improved, and the refrigeration effect is improved.

To provide a refrigerator capable of forming an air passage in a heat insulating partition wall and suppressing deformation or the like of an inner box.SOLUTION: In the refrigerator 10, a storage compartment includes a freezing compartment 13 which is a first storage compartment, and a vegetable compartment 14 which is a second storage compartment disposed below the freezing compartment 13. The inner box 20 includes a freezer inner box 22 and a vegetable inner box 23. A heat insulating member 40 is disposed between the freezing chamber box 22 and the vegetable chamber box 23. A return air duct 24 connected to the vegetable chamber 14 is formed inside the heat insulating member 40. A filling heat insulating member 32 is filled between a filling recessed part 42 formed by recessing a part of the heat insulating member 40 and the freezing chamber 13.SELECTED DRAWING: Figure 3