Refrigeration equipment

Abstract

The utility model provides refrigeration equipment. The refrigeration equipment comprises a box body, a refrigeration air duct, an evaporator and a heater, the heater is arranged in the refrigeration air duct and used for defrosting the evaporator. An air outlet is formed in the side, facing the refrigeration chamber, of the refrigeration air duct, a cold storage device is arranged at the air outlet so that heat exchange can be conducted between the air outlet and air on the peripheral side of the cold storage device, and the position of the cold storage device is arranged in the mode that after heat exchange is conducted on the air at the air outlet at the cold storage device, the air can be conveyed to the refrigeration chamber. After defrosting of the evaporator in the refrigeration air duct is completed, gas in the refrigeration air duct enters the refrigeration chamber and can flow from the air outlet to the cold storage device, and the cold storage device releases cold energy to the gas, so that the gas enters the refrigeration chamber after absorbing the cold energy. And due to the arrangement of the cold accumulation device, the temperature in the refrigeration chamber can be effectively prevented from rising after defrosting.

Description

Technical Field

[0001] The utility model relates to the technical field of household electrical appliances, in particular to a refrigeration device. Background Art

[0002] A refrigerator is a refrigeration device that keeps a constant low temperature, and is also an appliance that keeps food or other items in a constant low temperature cold state. With the development of science and technology and the improvement of people's living standards, refrigerators have become an indispensable appliance in life and production.

[0003] Refrigerators generally have two types of refrigeration, direct cooling and air cooling, depending on the refrigeration method. Air-cooled refrigerators deliver cold air to the refrigeration room, and the cold air carries the cold energy to cool the refrigeration room.

[0004] At present, most air-cooled refrigerators on the market have automatic defrosting functions, and the defrosting method is to use the heating tube at the bottom of the evaporator to heat and melt the frost on the evaporator. This process will significantly increase the temperature of the evaporator and the surrounding area. After defrosting, the fan is turned on, and the hot air around the evaporator will be circulated to the entire compartment, causing the compartment temperature to rise, and the increase is large, which is not conducive to food storage, especially for foods such as ice cream. The temperature rise may cause it to melt, and multiple melting and freezing will easily cause the taste and quality to deteriorate. Utility Model Content

[0005] The utility model aims to provide a refrigeration device which can effectively prevent the temperature in the refrigeration room from rising after defrosting.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] According to one aspect of the utility model, the utility model provides a refrigeration device, comprising a box, a refrigeration air duct, an evaporator, and a heater. A refrigeration compartment with a front opening is formed in the box.

[0008] The refrigeration air duct is used to transport cold air to the refrigeration compartment to provide cold air to the refrigeration compartment; the refrigeration air duct is provided with an air outlet on a side facing the refrigeration compartment so as to selectively open and close the refrigeration air duct.

[0009] The evaporator is arranged in the refrigeration air duct to exchange heat with the gas in the refrigeration air duct to provide cooling capacity to the refrigeration air duct; the heater is arranged in the refrigeration air duct to defrost the evaporator.

[0010] A cold storage device is provided at the air outlet to exchange heat with the gas around the cold storage device. The position of the cold storage device is set so that the gas at the air outlet can be transported to the refrigeration chamber after heat exchange at the cold storage device.

[0011] In some embodiments of the present application, the refrigeration air duct is provided with a plurality of air outlets in the refrigeration compartment, and the plurality of air outlets can be opened and closed respectively; and the cold storage device is directly opposite to any one or more of the air outlets.

[0012] In some embodiments of the present application, the cold storage device includes a heat exchange channel, a cold air inlet and a cold air outlet; the cold air inlet and the cold air outlet are respectively connected to the heat exchange channel; the cold air inlet is connected to the air outlet, and the cold air outlet is connected to the refrigeration chamber.

[0013] In some embodiments of the present application, the cold storage device includes a plurality of heat exchange tubes extending along the extension direction of the heat exchange channel; a plurality of baffles are also arranged in the heat exchange channel, and the baffles are engaged with the outer periphery of the heat exchange tubes; the plurality of baffles are arranged at intervals to form a circuitous flow channel for the flow of cold air in the heat exchange channel.

[0014] In some embodiments of the present application, three edges of the baffle are sealed and connected to the inner wall of the heat exchange channel, and a plurality of the baffles are spaced apart along the extension direction of the heat exchange channel.

[0015] In some embodiments of the present application, a plurality of the heat exchange tubes are arranged in parallel, and the baffle sealing sleeve is arranged on the outer periphery of the heat exchange tubes.

[0016] In some embodiments of the present application, an electric damper is provided at the air outlet to control the opening and closing of the air outlet.

[0017] In some embodiments of the present application, a plurality of the electric dampers are provided to correspond to the plurality of air outlets; the refrigeration device further includes a control center, and the plurality of the electric dampers are electrically connected to the control center respectively.

[0018] In some embodiments of the present application, the cold storage device is disposed in the refrigeration compartment and is located at the top of the refrigeration compartment.

[0019] In some embodiments of the present application, a fan is further provided in the refrigeration air duct to drive the gas to flow between the refrigeration compartment and the refrigeration air duct.

[0020] It can be seen from the above technical solution that the utility model has at least the following advantages and positive effects:

[0021] In the utility model, a heater is arranged in the refrigeration duct to defrost the evaporator. The refrigeration duct is provided with an air outlet on the side facing the refrigeration room, and a cold storage device is arranged at the air outlet to be able to exchange heat with the gas around the cold storage device. The position of the cold storage device is arranged so that the gas at the air outlet can be transported to the refrigeration room after heat exchange at the cold storage device. After the evaporator in the refrigeration duct is defrosted, the gas in the refrigeration duct enters the refrigeration room, and the gas in the refrigeration duct can flow from the air outlet toward the cold storage device. The cold storage device releases cold energy to the gas, so that the gas enters the refrigeration room after absorbing the cold energy. The setting of the cold storage device can effectively avoid the temperature rise in the refrigeration room after defrosting.

[0022] Other features and advantages of the present application will become apparent from the following detailed description, or may be learned in part by the practice of the present application.

[0023] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0025] Figure 1 It is a structural schematic diagram of the utility model refrigeration equipment.

[0026] Figure 2 It is a structural schematic diagram of the air duct cover plate of the utility model.

[0027] Figure 3 It is a structural schematic diagram of the cold storage device of the utility model.

[0028] The reference numerals are as follows: 100, housing; 200, refrigeration compartment; 300, refrigeration air duct; 310, air outlet; 320, air duct cover; 400, evaporator; 410, fan; 500, cold storage device; 510, heat exchange channel; 520, cold air inlet; 530, cold air outlet; 540, heat exchange tube; 550, baffle. DETAILED DESCRIPTION

[0029] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be more comprehensive and complete and will fully convey the concept of the example embodiments to those skilled in the art.

[0030] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present application. However, those skilled in the art will appreciate that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps, etc. can be adopted. In other cases, known methods, devices, realizations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0031] The present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be understood as limiting the present application.

[0032] At present, most air-cooled refrigerators on the market have an automatic defrosting function, and the defrosting method is to use the heating tube at the bottom of the evaporator to heat and melt the frost on the evaporator. This process will significantly increase the temperature of the evaporator and the surrounding area. After the defrosting is completed, the fan is turned on, and the hot air around the evaporator will be circulated to the entire compartment, causing the compartment temperature to rise, and the increase has a large amplitude, which is not conducive to food storage, especially for ice cream and other foods. The temperature rise may cause it to melt, and multiple melting and freezing are likely to cause a decline in taste and quality. The present application provides a refrigeration device to solve the above technical problems.

[0033] For ease of description and understanding, the state of the refrigeration device in upright use is used as a reference, the direction facing the user is the front, and the direction away from the user is the back. The height direction of the refrigeration device is the up-down direction, and the width direction of the refrigeration device is the left-right direction. The direction toward the center of the refrigeration device is the inside, and the direction away from the center of the refrigeration device is the outside.

[0034] Figure 1 It is a structural schematic diagram of the utility model refrigeration equipment.

[0035] See also Figure 1The present embodiment provides a refrigeration device for storing items at low temperatures. The refrigeration device may be a refrigerator, a refrigeration display cabinet, a refrigeration wine cabinet, or a freezer. The refrigeration device includes a box body 100, a refrigeration compartment 200 disposed in the box body 100, a door (not shown) rotatably covered on the box body 100, and a refrigeration assembly disposed in the box body 100.

[0036] A refrigeration chamber 200 with an opening at the front is formed in the box body 100, and food is placed in the refrigeration chamber 200 for low temperature storage. Specifically, an inner liner is provided in the box body 100, and a refrigeration chamber 200 with an opening at the front is formed in the inner liner, and items are placed in the refrigeration chamber 200 for low temperature storage.

[0037] In some embodiments, a shelf is provided in the inner tank, and the shelf is provided in the refrigeration compartment 200 for carrying items; the refrigeration assembly is used to provide cooling to the space in the refrigeration compartment 200 to provide cooling to the items in the refrigeration compartment 200.

[0038] The cabinet door can be opened and closed on the front side of the cabinet 100 to open or close the refrigeration compartment 200 in the cabinet 100 and to take and put items in the refrigeration compartment 200. In this embodiment, the cabinet door can be rotatably covered on the front side of the cabinet 100 to open and close the refrigeration compartment 200.

[0039] The refrigeration assembly transfers cold energy to the air in the refrigeration duct 300, and provides cold air to the refrigeration compartment 200, so that the refrigeration duct 300 can selectively communicate with the refrigeration compartment 200, so as to introduce the air in the refrigeration duct 300 into the refrigeration compartment 200, so as to cool the refrigeration compartment 200.

[0040] In some embodiments, the refrigeration compartment 200 includes a refrigerator compartment and a freezer compartment, and the refrigeration duct 300 can deliver cold air to the refrigerator compartment and the freezer compartment respectively, so that the air in the refrigeration duct 300 can transfer cold air to the refrigerator compartment and the freezer compartment respectively to maintain the refrigeration environment in the refrigerator compartment and the freezer compartment.

[0041] A foam layer is provided between the inner liner and the box body 100 , and the foam layer is filled with foam material. The foam material surrounds the upper and lower, left and right, and rear side walls of the refrigeration compartment 200 , thereby insulating the refrigeration compartment 200 and maintaining the temperature of the refrigeration compartment 200 .

[0042] In some embodiments, the cabinet door includes a freezer door for covering the freezer compartment, and a refrigerator door for covering the refrigerator compartment. The refrigerator door can be opened and closed to cover the front side of the refrigerator compartment and the temperature-changing chamber, so as to open and close the refrigerator compartment and the temperature-changing chamber. The freezer door can be opened and closed to cover the front side of the freezer compartment, so as to open and close the freezer compartment. The freezer door and the refrigerator door are arranged at intervals in the left-right direction.

[0043] The refrigeration assembly is used to release the heat in the refrigeration equipment to the external environment, and is used to provide coldness to the refrigeration room 200 to maintain the low temperature environment in the refrigeration room 200. The refrigeration assembly includes components such as a compressor, a condenser, an evaporator 400, and a capillary. The compressor, the condenser, the capillary, and the evaporator 400 are connected in sequence, and the outlet of the evaporator 400 is connected to the inlet of the compressor, so that a channel for the circulation of the refrigerant is formed in the compressor, the condenser, the capillary, and the evaporator 400. In this embodiment, the evaporator 400 is arranged in the freezer.

[0044] A refrigeration duct 300 is provided in the box 100, and the refrigeration duct 300 is used to transport cold air to the refrigeration compartment 200, so as to provide cold capacity to the refrigeration compartment 200. The refrigeration component is used to exchange heat with the gas in the refrigeration duct 300, so as to transfer cold capacity to the gas in the refrigeration duct 300, and obtain cold air in the refrigeration duct 300. The cold air in the refrigeration duct 300 is transferred to the refrigeration compartment 200, so as to cool the refrigeration compartment 200.

[0045] The refrigeration air duct 300 is connected to the refrigeration compartment 200 so that air circulates between the refrigeration air duct 300 and the refrigeration compartment 200, thereby transferring the cold in the refrigeration air duct 300 to the refrigeration compartment 200, and transferring the heat in the refrigeration compartment 200 to the refrigeration air duct 300. The low-temperature and low-pressure liquid refrigerant in the evaporator 400 is converted into a low-temperature and low-pressure gaseous refrigerant after heat exchange with the refrigeration air duct 300. The low-temperature and low-pressure gaseous refrigerant in the evaporator 400 is transferred to the compressor and compressed into a high-temperature and high-pressure gaseous refrigerant in the compressor.

[0046] The high-temperature and high-pressure gaseous refrigerant in the compressor is transported to the condenser, where it releases heat to the external environment, thereby converting the high-temperature and high-pressure gaseous refrigerant into a low-temperature and high-pressure liquid refrigerant. The low-temperature and high-pressure liquid refrigerant is converted into a low-temperature and low-pressure liquid refrigerant through the throttling and decompression effect of the capillaries. The low-temperature and low-pressure liquid refrigerant is transported to the evaporator 400 and the air in the refrigeration duct 300 for heat exchange.

[0047] The specific structure and connection relationship of the refrigeration assembly refer to the refrigeration assembly in the related art and will not be described in detail here.

[0048] Figure 2 It is a structural schematic diagram of the air duct cover plate 320 of the utility model.

[0049] See also Figure 1 and Figure 2The refrigeration air duct 300 is arranged at the rear of the refrigeration compartment 200 and is spaced apart from the refrigeration compartment 200. The refrigeration air duct 300 is provided with an air outlet 310 on the side facing the refrigeration compartment 200, so as to discharge the cold air in the refrigeration air duct 300 into the refrigeration compartment 200. The refrigeration compartment 200 is also provided with an air return port (not shown in the figure), which is used to return the air in the refrigeration compartment 200 to the refrigeration air duct 300. The air circulates between the refrigeration air duct 300 and the refrigeration compartment 200 through the air outlet 310 and the air return port, and the air exchanges heat in the refrigeration air duct 300 and the evaporator 400 to absorb cold energy, and exchanges heat in the refrigeration compartment 200 to release cold energy.

[0050] In this embodiment, an air duct cover plate 320 is provided in the inner container, and the air duct cover plate 320 covers the rear side wall of the inner container. A cooling air duct 300 is formed between the air duct cover plate 320 and the rear side wall of the inner container. The air outlet 310 and the return air outlet are provided on the air duct cover plate 320 and penetrate the air duct cover plate 320.

[0051] In one embodiment, the cooling air duct 300 is disposed behind the outer side of the inner liner, and the cooling air duct 300 is formed in the foaming layer.

[0052] In this embodiment, the cooling air duct 300 is provided with an air outlet 310 on a side facing the cooling compartment 200 . The air outlet 310 can be opened and closed so as to selectively open and close the cooling air duct 300 .

[0053] An electric damper (not shown) is provided at the air outlet 310 to control the opening and closing of the air outlet 310. A control center is provided in the refrigerator, and the electric damper is electrically connected to the control center to control the opening and closing of the electric damper.

[0054] In one embodiment, one air outlet 310 is provided and one electric damper is provided correspondingly.

[0055] In this embodiment, the refrigeration air duct 300 is provided with a plurality of air outlets 310 in the refrigeration compartment 200, and the plurality of air outlets 310 can be opened and closed respectively. There are a plurality of air outlets 310, and a plurality of electric dampers are provided correspondingly. One electric damper corresponds to one air outlet 310.

[0056] A plurality of electric dampers are provided to correspond to the plurality of air outlets 310. The plurality of electric dampers are electrically connected to the control center respectively to control the opening and closing of the air outlets 310 respectively.

[0057] The specific structure and positional relationship of the cooling air duct 300 may refer to the structure and positional relationship of the cooling air duct 300 in the related art, and will not be described in detail here.

[0058] The evaporator 400 is disposed in the refrigeration air duct 300 to exchange heat with the gas in the refrigeration air duct 300 to provide cooling to the refrigeration air duct 300 .

[0059] In this embodiment, a heater is provided in the refrigeration air duct 300 for defrosting the evaporator 400. After the evaporator 400 is used for a long time, a frost structure is easily formed on the outer surface of the evaporator 400. It is necessary to remove the refrigerator structure to avoid affecting the heat exchange of the evaporator 400. The heat generated by the heater is used to defrost the evaporator 400.

[0060] In this embodiment, the heater is fixed on the evaporator 400 , and the heat generated by the heater heats the evaporator 400 to remove frost on the periphery of the evaporator 400 .

[0061] A fan 410 is further disposed in the refrigeration air duct 300 . The fan 410 rotates to drive the gas in the refrigeration air duct 300 to flow, thereby driving the gas to circulate between the refrigeration air duct 300 and the refrigeration chamber 200 .

[0062] Figure 3 It is a schematic structural diagram of the cold storage device 500 of the present invention.

[0063] See also Figures 1 to 3 The refrigeration equipment also includes a cold storage device 500, which is provided with an air outlet 310. The cold storage device 500 is used to absorb and store cold energy, and release cold energy. During the normal refrigeration process of the refrigerator, the cold storage device 500 exchanges heat with the gas at the air outlet 310, absorbs cold energy, and stores cold energy. After the evaporator 400 of the refrigerator is defrosted, when the gas in the refrigeration duct 300 enters the refrigeration compartment 200, the cold storage device 500 exchanges heat with the gas at the air outlet 310, transfers cold energy to the gas at the air outlet 310, and releases cold energy. It is ensured that the temperature of the gas entering the refrigeration compartment 200 is low, which effectively avoids the increase of the temperature in the refrigeration compartment 200 and effectively avoids the corruption of food.

[0064] The cold storage device 500 can exchange heat with the gas around the cold storage device 500. The cold storage device 500 is disposed at the air outlet 310 to exchange heat with the gas at the air outlet 310. The cold storage device 500 is a heat exchanger.

[0065] The position of the cold storage device 500 is set so that the gas at the air outlet 310 can be transported to the refrigeration room 200 after heat exchange at the cold storage device 500. The cold storage device 500 contains a heat exchange medium. When the temperature of the gas at the air outlet 310 is lower than the temperature of the heat exchange medium in the cold storage device 500, the heat exchange medium absorbs the cold of the gas at the air outlet 310 to store the cold.

[0066] When the temperature of the gas at the air outlet 310 is higher than the temperature of the heat exchange medium in the cold storage device 500 , the heat exchange medium releases cold energy to the gas at the air outlet 310 to reduce the temperature of the gas discharged into the refrigeration compartment 200 .

[0067] In this embodiment, the refrigeration air duct 300 is provided with a plurality of air outlets 310 in the refrigeration compartment 200, and the plurality of air outlets 310 can be opened and closed respectively; the cold storage device 500 is directly opposite to any air outlet 310. When the evaporator 400 finishes defrosting and the gas is discharged into the refrigeration compartment 200, the air outlet 310 directly opposite to the cold storage device 500 is opened, and the other air outlets 310 are closed, so as to ensure that the gas entering the refrigeration compartment 200 enters the refrigeration compartment 200 after absorbing the cold at the cold storage device 500.

[0068] In one embodiment, the cold storage device 500 faces multiple air outlets 310, the multiple air outlets 310 facing the cold storage device 500 are opened, and other air outlets 310 are closed to ensure that the gas entering the refrigeration compartment 200 absorbs cold energy at the cold storage device 500 before entering the refrigeration compartment 200.

[0069] In this embodiment, four air outlets 310 are provided, and one of the air outlets 310 faces the cold storage device 500 .

[0070] In this embodiment, the cold storage device 500 includes a heat exchange channel 510, a cold air inlet 520 and a cold air outlet 530; the cold air inlet 520 and the cold air outlet 530 are respectively connected to the heat exchange channel 510; the cold air inlet 520 is connected to the air outlet 310, and the cold air outlet 530 is connected to the refrigeration compartment 200. The gas at the air outlet 310 enters the heat exchange channel 510 from the cold air inlet 520, and after heat exchange in the heat exchange channel 510, it is discharged from the cold air outlet 530 into the refrigeration compartment 200.

[0071] In this embodiment, the cold storage device 500 includes a plurality of heat exchange tubes 540 extending along the extension direction of the heat exchange channel 510. The heat exchange medium is stored in the heat exchange tubes 540, and the gas enters the heat exchange channel 510 to exchange heat with the heat exchange medium in the heat exchange tubes 540.

[0072] A plurality of baffles 550 are also provided in the heat exchange channel 510, and the baffles 550 are engaged with the outer circumference of the heat exchange tube 540; the plurality of baffles 550 are arranged at intervals to form a circuitous flow channel for the flow of cold air in the heat exchange channel 510. The provision of the circuitous channel prolongs the flow time of the gas in the heat exchange channel 510, prolongs the heat exchange time, and thus enhances the heat exchange effect.

[0073] In this embodiment, three edges of the baffle 550 are sealed to the inner wall of the heat exchange channel 510, and a plurality of baffles 550 are arranged at intervals along the extension direction of the heat exchange channel 510. The opposite sides of adjacent baffles 550 are sealed to the heat exchange channel 510, thereby forming a circuitous channel.

[0074] In some embodiments, the heat exchange tube 540 is also provided with fins to extend the heat exchange area through the fins, thereby enhancing the heat exchange effect.

[0075] In this embodiment, a plurality of heat exchange tubes 540 are arranged in parallel, and a baffle 550 is sealed and sleeved on the outer circumference of the heat exchange tubes 540 to increase the heat exchange area.

[0076] In other embodiments, a heat exchange tube 540 is disposed in the cold storage device 500, the gas exchanges heat with the side wall of the heat exchange channel 510, and the heat exchange medium is stored in the device and covers the heat exchange channel 510. The heat exchange channel 510 is constructed to form a circuitous structure.

[0077] In this embodiment, the cold storage device 500 is in the refrigeration compartment 200 and is located at the top of the refrigeration compartment 200. In one embodiment, the cold storage device 500 is disposed in the refrigeration air duct 300.

[0078] In this embodiment, the cold storage device is arranged in the freezing room. In one embodiment, the cold storage device is arranged in the refrigeration room.

[0079] Based on the above structure, when the evaporator 400 is not defrosted and the refrigerator is working normally, the multiple air outlets 310 are all opened to discharge cold air and cool the refrigeration compartment 200. The cold air at the air outlet 310 facing the cold storage device 500 can exchange heat with the cold storage device 500, so that the cold storage device 500 stores cold energy.

[0080] When the evaporator 400 is defrosting, the plurality of air outlets 310 are all closed to prevent the heat generated during defrosting from entering the refrigeration compartment 200 .

[0081] When the evaporator 400 is defrosted and the gas is delivered to the refrigeration compartment 200, the air outlet 310 facing the cold storage device 500 is opened, and the other air outlets 310 are closed. The gas in the refrigeration air duct 300 enters the refrigeration compartment 200 after heat exchange and refrigeration by the cold storage device 500.

[0082] After the defrosting is finished for a preset time, all the air outlets 310 are opened and the compressor is started. In this embodiment, the time is 5-10 minutes.

[0083] In the present invention, a heater is arranged in the refrigeration air duct 300 to defrost the evaporator 400. The refrigeration air duct 300 is provided with an air outlet 310 on a side facing the refrigeration compartment 200, and a cold storage device 500 is arranged at the air outlet 310 to exchange heat with the gas around the cold storage device 500. The position of the cold storage device 500 is arranged so that the gas at the air outlet 310 can be transported to the refrigeration compartment 200 after heat exchange at the cold storage device 500. After defrosting of the evaporator 400 in the refrigeration air duct 300 is completed, the gas in the refrigeration air duct 300 enters the refrigeration compartment 200, and the gas in the refrigeration air duct 300 can flow from the air outlet 310 toward the cold storage device 500, and the cold storage device 500 releases cold energy to the gas, so that the gas enters the refrigeration compartment 200 after absorbing the cold energy. The cold storage device 500 is provided to effectively prevent the temperature in the refrigeration compartment 200 from rising after defrosting.

[0084] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0085] In this application, unless otherwise clearly specified and limited, the terms "assembly", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In the description of this specification, the description of the reference terms "some embodiments", "exemplarily", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, in the absence of contradiction, technicians in this field can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples.

[0086] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and description of the present application should fall within the scope of the patent of this application.

Claims

1. A refrigeration device, characterized in that: include: A box body, wherein the inner structure forms a refrigeration compartment with a front opening; A refrigeration air duct, which is used to transport cold air to the refrigeration compartment to provide cold air to the refrigeration compartment; the refrigeration air duct is provided with an air outlet on a side facing the refrigeration compartment so as to selectively open and close the refrigeration air duct; an evaporator, which is arranged in the refrigeration air duct and is used to exchange heat with the gas in the refrigeration air duct to provide cooling capacity to the refrigeration air duct; A heater, arranged in the refrigeration air duct, for defrosting the evaporator; Wherein, a cold storage device is arranged at the air outlet so as to be able to exchange heat with the gas around the cold storage device, and the position of the cold storage device is arranged so that the gas at the air outlet can be transported to the refrigeration chamber after heat exchange at the cold storage device.

2. The refrigeration equipment according to claim 1, characterized in that: The refrigeration air duct is provided with a plurality of air outlets in the refrigeration compartment, and the plurality of air outlets can be opened and closed respectively; and the cold storage device is directly opposite to any one or more of the air outlets.

3. The refrigeration equipment according to claim 2, characterized in that: The cold storage device includes a heat exchange channel, a cold air inlet and a cold air outlet; the cold air inlet and the cold air outlet are respectively connected to the heat exchange channel; the cold air inlet is connected to the air outlet, and the cold air outlet is connected to the refrigeration compartment.

4. The refrigeration equipment according to claim 3, characterized in that: The cold storage device includes a plurality of heat exchange tubes extending along the extension direction of the heat exchange channel; a plurality of baffles are also arranged in the heat exchange channel, and the baffles are engaged with the outer periphery of the heat exchange tubes; the plurality of baffles are arranged at intervals to form a circuitous flow channel for the flow of cold air in the heat exchange channel.

5. The refrigeration equipment according to claim 4, characterized in that: The three edges of the baffle are sealed and connected to the inner wall of the heat exchange channel, and a plurality of the baffles are arranged at intervals along the extension direction of the heat exchange channel.

6. The refrigeration device according to claim 4, characterized in that: A plurality of heat exchange tubes are arranged in parallel, and the baffle sealing sleeve is arranged on the outer periphery of the heat exchange tubes.

7. The refrigeration equipment according to claim 2, characterized in that: An electric damper is provided at the air outlet to control the opening and closing of the air outlet.

8. The refrigeration device according to claim 7, characterized in that: The electric dampers are provided in plurality to correspond to the plurality of air outlets; the refrigeration device further comprises a control center, and the plurality of electric dampers are electrically connected to the control center respectively.

9. The refrigeration device according to claim 1, characterized in that: The cold storage device is arranged in the refrigeration room and is located at the top of the refrigeration room.

10. The refrigeration device according to claim 1, characterized in that: A fan is also provided in the refrigeration air duct to drive the gas to flow between the refrigeration compartment and the refrigeration air duct.

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