Refrigeration equipment

Abstract

The utility model provides refrigeration equipment. The refrigeration equipment comprises a box body, a refrigeration air duct, an air return duct and an exhaust duct, an inner container is arranged in the box body; a refrigeration chamber with an opening in the front side is formed in the inner container; the exhaust duct inlet is communicated with the refrigeration air duct; an outlet of the exhaust duct communicates with the outside of the box body, the exhaust duct and the air return duct are provided with air door assemblies, and the air door assemblies can selectively open and close the corresponding exhaust duct and the corresponding air return duct. After the air door assembly controls the exhaust duct to be opened, the refrigeration fan can drive the gas in the refrigeration air duct to flow towards the exhaust duct, so that the gas in the refrigeration chamber can be exhausted out of the refrigerator body through the refrigeration air duct and the exhaust duct in sequence, and peculiar smell in the refrigeration chamber can be effectively exhausted.

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] For air-cooled refrigerators, according to existing tests: when the ambient temperature is 30°C, the temperature inside the refrigerator will rise by 5°C-6°C if the refrigerator door is opened for 10 seconds. If it is opened for 1-2 minutes, the temperature inside the refrigerator will reach the external ambient temperature. After closing the refrigerator door, if the compartment temperature returns to the set temperature, the compressor must continue to run for at least 20 minutes. Under the existing technology, a large amount of cold energy is lost when the refrigerator door is opened. The refrigerator door opening stage will not only cause huge temperature fluctuations in the compartment, affecting the preservation effect of food, but also increase the power consumption of the refrigerator accordingly.

[0003] At present, the internal air flow of conventional refrigerators is a circulation inside the refrigerator compartment, and there is no gas exchange with the outside world. The air blown by the fan enters the compartment through the air duct, and then passes through the return air port and the evaporator before being sucked in by the fan. As food is put into the refrigerator, odor will be generated inside the compartment, and the air circulation inside the refrigerator circulates inside the compartment and is not connected to the outside world. This will cause the odor inside the refrigerator to enter all corners of the refrigerator with the flow of wind, and it cannot be eradicated.

[0004] Take the wine cabinet as an example. In the actual use of the wine cabinet, users not only store wine, but also put juice, carbonated drinks, tea and other ingredients together. Due to the wide variety of storage, each beverage and ingredient has its own unique smell. In order to ensure normal refrigeration performance, the internal gas of the wine cabinet often works in the form of internal circulation. As time goes by, the flavors of various ingredients will gather more and more, causing the internal odor to gradually increase. Since the gas circulation of the air-cooled wine cabinet is an internal circulation, the odorous gas will always circulate in the wine cabinet, resulting in the inability to efficiently remove the odor in the room. Utility Model Content

[0005] The utility model aims to provide a refrigeration device which can effectively discharge the peculiar smell in the refrigeration room.

[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, including a box body, a refrigeration duct, a return air duct and an exhaust duct; an inner tank is arranged in the box body; the inner tank structure forms a refrigeration compartment with a front opening; the front side of the inner tank is covered with a box door; the box door is rotatably arranged at the front side of the inner tank so as to be able to open and close the inner tank; the refrigeration duct is connected with the refrigeration compartment for providing cooling to the refrigeration compartment; a refrigeration fan is arranged in the refrigeration duct; the return air duct is connected with the refrigeration duct and the refrigeration compartment for returning air to the refrigeration compartment; an exhaust duct inlet is connected with the refrigeration duct; an exhaust duct outlet is connected to the outside of the box body; the refrigeration fan can drive the gas in the refrigeration duct to flow toward the exhaust duct; damper assemblies are arranged at the exhaust duct and the return duct, and the damper assemblies can selectively open and close the corresponding exhaust duct and the return duct.

[0008] In some embodiments of the present application, the refrigeration air duct is located at the rear side of the refrigeration compartment and is arranged at intervals from the refrigeration compartment; the return air duct and the exhaust air duct are both arranged in the refrigeration air duct.

[0009] In some embodiments of the present application, an air duct cover is provided in the inner liner, a gap is provided between the rear side wall of the inner liner and the air duct cover, and the refrigeration air duct is formed between the air duct cover and the rear side wall of the inner liner.

[0010] In some embodiments of the present application, a partition is provided between the rear side wall of the refrigeration compartment and the air duct cover, and two opposite side edges of the partition are sealed to the side walls of the refrigeration air duct; the two sides of the partition form the exhaust duct and the return air duct.

[0011] In some embodiments of the present application, the lower end of the partition is sealed and connected to the side wall of the refrigeration air duct; the damper assembly includes a damper housing fixed to the upper end of the partition, two damper baffles, and a driving unit for driving the damper baffles to rotate; two air guide ports are provided on the damper housing, and the two air guide ports are respectively connected to the exhaust duct and the return air duct; the two damper baffles are respectively arranged corresponding to one of the air guide ports, and the two damper baffles are rotatably arranged on the damper housing so as to be able to open and close the corresponding air guide ports respectively.

[0012] In some embodiments of the present application, the air duct cover is arranged in the inner tank, and a recessed limiting groove is formed on the inner side of the rear side wall of the inner tank, and the rear end of the damper assembly extends into and is limited in the limiting groove.

[0013] In some embodiments of the present application, the cooling fan is a structure capable of forward and reverse rotation; the cooling fan is located above the partition.

[0014] In some embodiments of the present application, a foaming layer is provided between the box body and the inner tank, and the exhaust duct is located at the rear side of the return air duct; an air guide duct is provided at the rear side of the exhaust duct, and the air guide duct is located in the foaming layer; the front side of the air guide duct is sealed to the rear side wall of the refrigeration compartment, and the rear end is sealed to the box body.

[0015] In some embodiments of the present application, the duct cover plate is formed with spaced guide ribs on one side facing the refrigeration duct; the guide ribs are arranged at intervals on the left and right, and a guide groove is formed between the two spaced guide ribs; the refrigeration fan and the damper assembly are both arranged in the guide groove; the left and right ends of the damper assembly respectively abut against the guide ribs.

[0016] In some embodiments of the present application, an odor sensor is provided on a side of the air duct cover plate facing the refrigeration compartment.

[0017] It can be seen from the above technical solution that the utility model has at least the following advantages and positive effects:

[0018] In the utility model, the return air duct connects the refrigeration air duct and the refrigeration compartment, and is used for returning air to the refrigeration compartment; the refrigeration air duct is connected to the refrigeration compartment, and is used for providing cooling to the refrigeration compartment. The refrigeration air duct and the return air duct are arranged to form a refrigeration cycle of the refrigeration compartment.

[0019] The inlet of the exhaust duct is connected to the refrigeration duct; the outlet of the exhaust duct is connected to the outside of the box, and the exhaust duct and the return duct are provided with damper assemblies, which can selectively open and close the corresponding exhaust duct and return duct. After the damper assembly controls the exhaust duct to open, the refrigeration fan can drive the gas in the refrigeration duct to flow toward the exhaust duct, so that the gas in the refrigeration room can be discharged to the outside of the box through the refrigeration duct and the exhaust duct in turn, so as to effectively discharge the odor in the refrigeration room.

[0020] 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.

[0021] 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

[0022] 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.

[0023] Figure 1 It is a structural schematic diagram of an embodiment of the refrigeration equipment of the utility model.

[0024] Figure 2 yes Figure 1 Cross-section of the structure shown.

[0025] Figure 3 It is a structural schematic diagram of the inner container of the utility model.

[0026] Figure 4 It is a schematic diagram of the cross-sectional structure of the inner container of the utility model.

[0027] Figure 5 It is a structural schematic diagram of the air duct cover of the utility model from one viewing angle.

[0028] Figure 6 It is a structural schematic diagram of the air duct cover of the utility model from another perspective.

[0029] Figure 7 It is a cross-sectional schematic diagram of the air duct cover plate of the utility model.

[0030] Figure 8 It is a schematic diagram of the air duct cover plate of the utility model on the inner tank.

[0031] Fig. 9 yes Figure 8 Cross-section of the structure shown.

[0032] Fig.10 The utility model is a structural schematic diagram of the air door assembly on the air duct cover plate.

[0033] Fig.11 It is a structural schematic diagram of the air door assembly of the utility model.

[0034] Fig.12 It is a structural schematic diagram of the air door housing of the utility model.

[0035] Fig.13 It is a partial structural schematic diagram of the damper assembly of the utility model.

[0036] The reference numerals are as follows: 100, box body; 110, liner; 111, refrigeration compartment; 112, groove; 113, step; 114, limit groove; 115, exhaust port; 116, air guide duct; 120, box door; 130, air duct cover; 131, air inlet; 132, return air port; 140, return air duct; 150, exhaust duct; 160, partition; 161, guide rib; 162, guide groove; 200, air duct assembly; 210, refrigeration air duct; 220, refrigeration fan; 300, damper assembly; 310, damper housing; 311, air guide port; 320, damper baffle; 330, damper motor; 340, main transmission gear; 350, auxiliary gear; 360, driven gear. DETAILED DESCRIPTION

[0037] 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.

[0038] 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.

[0039] 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.

[0040] Take the wine cabinet as an example. When users actually use the wine cabinet, in addition to storing wine, they are also accustomed to putting in ingredients such as fruit juice, carbonated drinks, and tea. Due to the wide variety of storage, each beverage and ingredient has its own unique smell. In order to ensure normal refrigeration performance, the internal gas of the wine cabinet often works in the form of internal circulation. As time goes on, the flavors of various ingredients will gather more and more, causing the internal odor to gradually increase. Since the gas circulation of the air-cooled wine cabinet is an internal circulation, the odorous gas will always circulate in the wine cabinet, resulting in the inability to efficiently remove the odor in the room. The present application provides a refrigeration device that can solve the above technical problems.

[0041] For ease of description and understanding, the state of the refrigeration compartment when it is placed upright is used as a reference, the height direction of the refrigeration compartment is the length direction, the width direction of the refrigeration compartment is the left and right direction; the direction toward the user is the front, and the direction away from the user is the rear.

[0042] Figure 1 It is a structural schematic diagram of an embodiment of the refrigeration equipment of the utility model. Figure 2 yes Figure 1 Cross-section of the structure shown.

[0043] See also Figure 1 and Figure 2, a refrigeration device is an appliance that maintains a constant low temperature to store items. The refrigeration device in this embodiment can be a refrigerator, or a refrigerated display cabinet or a wine cabinet. The refrigeration device includes a box body 100, an air duct assembly 200 disposed in the box body 100, and a refrigeration assembly (not shown) disposed in the box body 100. The refrigeration assembly and the air duct assembly 200 are both disposed in the box body 100, and the refrigeration assembly is used to generate cold energy and transfer the cold energy to the air duct assembly 200.

[0044] In this embodiment, an inner container 110 is disposed in the box body 100 , and the inner container 110 is structured to form a refrigeration compartment 111 with an opening at the front side.

[0045] In one embodiment, the refrigeration compartment 111 includes a cold storage compartment for refrigerating items.

[0046] In another embodiment, the refrigeration compartment 111 further includes a freezing compartment for freezing items.

[0047] In a specific embodiment, the refrigerating chamber and the freezing chamber constitute a refrigerating compartment 111 of the refrigerating device. The refrigerating chamber and the freezing chamber are arranged at intervals, and the refrigerating assembly transfers cold energy to the air in the air duct assembly 200, so that cold air can be obtained in the air duct assembly 200. The air duct assembly 200 can selectively penetrate the refrigerating chamber or the freezing chamber to introduce the air in the air duct assembly 200 into the refrigerating chamber and / or the freezing chamber, so that the refrigerating chamber and the freezing chamber can be cooled respectively to maintain a refrigerated and frozen environment.

[0048] In this embodiment, air ports connected to the air duct assembly 200 are provided in the refrigerating chamber and the freezing chamber, so that the air in the refrigerating chamber and the freezing chamber can circulate with the air in the air duct assembly 200, respectively, so that the air in the air duct assembly 200 can transfer cold energy to the refrigerating chamber and the freezing chamber, respectively. Temperature sensors are provided in the refrigerating chamber and the freezing chamber to detect the real-time temperature in the refrigerating chamber and the freezing chamber.

[0049] The front side of the inner tank 110 is covered with a door 120, which includes a refrigeration door and a freezer door. A refrigeration door (not shown in the figure) is provided on the front side of the refrigeration chamber, which is covered on the front side of the box body 100 and is rotatably connected to the box body 100 so as to open or close the refrigeration chamber, thereby taking items in and out of the refrigeration chamber. A freezer door is correspondingly provided on the front side of the freezer chamber.

[0050] The connection relationship of the specific structure of the box body 100 can be referred to the structure of the box body 100 in the related art, which will not be described in detail here.

[0051] The air duct assembly 200 is disposed in the box 100 and can provide cooling for the refrigerating chamber and the freezing chamber. The specific structure and position relationship of the air duct assembly 200 refer to the structure and position relationship of the air duct assembly 200 in the related art, and will not be repeated here.

[0052] The refrigeration assembly is used to release the heat in the refrigeration equipment to the external environment, and to provide coldness to the refrigeration room 111 to maintain the low temperature environment in the refrigeration room 111. The refrigeration assembly includes components such as a compressor, a condenser, an evaporator, and a capillary. The compressor, the condenser, the capillary, and the evaporator are connected in sequence, and the outlet of the evaporator is connected to the inlet of the compressor, so as to form a channel for the circulation of the refrigerant in the compressor, the condenser, the capillary, and the evaporator.

[0053] 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 and the air in the air duct assembly 200 for heat exchange.

[0054] Figure 3 It is a structural schematic diagram of the inner container of the utility model. Figure 4 It is a schematic diagram of the cross-sectional structure of the inner container of the utility model.

[0055] See also Figures 1 to 4 The inner liner 110 forms a refrigeration chamber 111 with a front opening. The cabinet door 120 is rotatably arranged at the front side of the inner liner 110 so as to be able to open and close the inner liner 110.

[0056] A chamber is formed in the inner container 110 , the rear side of the bottom wall of the chamber protrudes downward, a groove 112 is formed at the bottom of the chamber, and a step 113 is formed at the top of the rear side of the chamber.

[0057] In one embodiment, a concave limiting groove 114 is formed on the inner side of the rear side wall of the inner container 110. A through exhaust port 115 is formed on the rear side of the inner container 110.

[0058] Figure 5 It is a structural schematic diagram of the air duct cover of the utility model from one viewing angle. Figure 6 It is a structural schematic diagram of the air duct cover of the utility model from another perspective. Figure 7 It is a cross-sectional schematic diagram of the air duct cover plate of the utility model.

[0059] See also Figures 1 to 7 The air duct assembly 200 includes a cooling air duct 210 and a cooling fan 220 disposed in the cooling air duct 210. The evaporator is disposed in the cooling air duct 210, and the evaporator provides cooling to the cooling air duct 210. The cooling air duct 210 is connected to the cooling compartment 111 to provide cooling to the cooling compartment 111.

[0060] The cooling air duct 210 is located at the rear side of the cooling chamber 111 and is spaced apart from the cooling chamber 111. The cooling air duct 210 and the cooling chamber 111 can be selectively connected to selectively provide cooling to the cooling chamber 111.

[0061] In one embodiment, the cooling air duct 210 is disposed outside the inner liner 110 , and a corresponding opening is provided on the rear side wall of the inner liner 110 for gas flow between the cooling air duct 210 and the cooling compartment 111 .

[0062] In this embodiment, the cooling air duct 210 is disposed in the inner liner 110 , and a cooling compartment 111 and the cooling air duct 210 are formed in the inner liner 110 .

[0063] An air duct cover plate 130 is disposed in the inner liner 110, and a gap is provided between the rear side wall of the inner liner 110 and the air duct cover plate 130, and a cooling air duct 210 is formed between the air duct cover plate 130 and the rear side wall of the inner liner 110. The air duct cover plate 130 is located at the front side or rear side of the rear side wall of the inner liner 110. When the air duct cover plate 130 is disposed at the rear side of the rear side wall of the inner liner 110, the cooling air duct 210 is formed outside the inner liner 110. When the air duct cover plate 130 is disposed at the front side of the rear side wall of the inner liner 110, the cooling air duct 210 is formed inside the inner liner 110.

[0064] In this embodiment, the air duct cover plate 130 is disposed in the inner liner 110 , and the cooling air duct 210 and the cooling compartment 111 are both located in the inner liner 110 . The cooling air duct 210 and the cooling compartment 111 are located at the front and rear sides of the air duct cover plate 130 .

[0065] The lower end of the air duct cover plate 130 extends into the groove 112 at the bottom of the inner container 110 , and the upper rear side surface of the air duct cover plate 130 overlaps the step 113 in the inner container 110 .

[0066] The air duct cover plate 130 is provided with an air inlet 131 for the gas in the refrigeration air duct 210 to enter the refrigeration compartment 111 to provide cooling for the refrigeration compartment 111. The air duct cover plate 130 is also provided with an air return port 132 for the gas in the refrigeration compartment 111 to enter the refrigeration air duct 210 to form a refrigeration cycle for the refrigeration compartment 111.

[0067] Figure 8 It is a schematic diagram of the air duct cover plate of the utility model on the inner tank. Fig. 9 yes Figure 8 Cross-section of the structure shown.

[0068] See also Figures 1 to 9The refrigeration device further includes a return air duct 140, which is connected to the refrigeration air duct 210 and the refrigeration compartment 111 and is used for returning air to the refrigeration compartment 111. The return air duct 140 is connected to the return air port 132, and the refrigeration fan 220 rotates to drive the air in the refrigeration compartment 111 to enter the refrigeration compartment 111 through the air inlet 131. The air in the refrigeration compartment 111 enters the refrigeration compartment 111 through the return air port 132 and the return air duct 140.

[0069] In this embodiment, the refrigeration device further includes an exhaust duct 150, the inlet of the exhaust duct 150 is connected to the refrigeration duct 210, and the outlet of the exhaust duct 150 is connected to the outside of the box 100. The gas in the refrigeration compartment 111 enters the refrigeration duct 210 and the exhaust duct 150 in sequence, and is discharged to the outside of the box 100, so as to ventilate the refrigeration compartment 111 and remove odors.

[0070] A partition 160 is provided between the rear side wall of the refrigeration compartment 111 and the air duct cover 130 , and two opposite sides of the partition 160 are sealedly connected to the side walls of the refrigeration air duct 210 ; an exhaust duct 150 and a return duct 140 are formed on both sides of the partition 160 .

[0071] In this embodiment, the exhaust duct 150 and the return duct 140 are spaced apart from each other. In some embodiments, the exhaust duct 150 and the return duct 140 are spaced apart from each other up and down or left and right. In other embodiments, the exhaust duct 150 and the return duct 140 are spaced apart from each other in a vertical plane.

[0072] In this embodiment, the air duct cover plate 130 is formed with spaced guide ribs 161 on one side facing the cooling air duct 210; the guide ribs 161 are spaced apart from each other, and a guide groove 162 is formed between two spaced guide ribs 161. The cooling fan is arranged in the guide groove 162. The two sides of the partition plate 160 are sealed and connected to the guide ribs 161 respectively, and the lower end of the partition plate 160 is attached to the rear side of the air duct cover plate 130, and the exhaust duct 150 and the return duct 140 are formed in the guide groove 162 with spaced apart front and rear sides.

[0073] In some embodiments, two pairs of guide ribs 161 are provided, and the two pairs of guide ribs 161 are spaced apart to form two guide grooves 162, thereby respectively forming the exhaust duct 150 and the return duct 140. When two pairs of guide ribs 161 are provided, the partition plate 160 does not need to be provided on the duct cover plate 130.

[0074] In some embodiments, two guide ribs 161 are arranged at intervals, and a guide groove 162 is formed between the two guide ribs 161. The partition 160 is located in the guide groove 162. The left and right sides of the partition 160 are sealed to the guide ribs 161, and the lower end of the partition 160 is sealed to the bottom wall of the inner liner 110.

[0075] In this embodiment, an odor sensor is provided on one side of the air duct cover plate 130 facing the refrigeration compartment 111, so as to detect the odor component or odor concentration in the refrigeration compartment 111, so as to confirm the odor concentration in the refrigerator. The odor sensor can record the odor concentration inside the refrigeration compartment 111, and detect the odor situation inside the refrigeration compartment 111 in real time. When the odor sensor detects that the odor concentration inside the compartment is too high, it will send a signal to perform self-cleaning to remove the odor from the refrigeration compartment 111. In some embodiments, the odor sensor is provided in the inner tank 110.

[0076] In this embodiment, a foaming layer is provided between the box body 100 and the inner liner 110, and the exhaust duct 150 is located at the rear side of the return duct 140; an air guide duct 116 is provided at the rear side of the exhaust duct 150, and the air guide duct 116 is located in the foaming layer; the front side of the air guide duct 116 is sealed to the rear side wall of the refrigeration chamber 111, and the rear end is sealed to the box body 100. The front side of the air guide duct 116 is provided corresponding to the exhaust port 115.

[0077] Fig.10 The utility model is a structural schematic diagram of the air door assembly on the air duct cover plate. Fig.11 It is a structural schematic diagram of the air door assembly of the utility model. Fig.12 It is a structural schematic diagram of the air door housing of the utility model. Fig.13 It is a partial structural schematic diagram of the damper assembly of the utility model.

[0078] See also Figures 1 to 12 The refrigeration device further includes a damper assembly 300 , which is disposed at the exhaust duct 150 and the return duct 140 , and the damper assembly 300 can selectively open and close the corresponding exhaust duct 150 and the return duct 140 .

[0079] The damper assembly 300 is provided in one or two. When the damper assembly 300 is provided in two, the damper assembly 300 corresponds to the exhaust duct 150 and the return duct 140 respectively. When the damper assembly 300 is provided in one, a single damper assembly 300 can correspond to the exhaust duct 150 and the return duct 140 at the same time.

[0080] In this embodiment, the lower end of the partition 160 is sealed and connected to the side wall of the cooling air duct 210; the damper assembly 300 may include a damper housing 310 fixed to the partition 160, and the damper housing 310 is provided with two air guide ports 311, and the two air guide ports 311 correspond to the exhaust air duct 150 and the return air duct 140 respectively. In some embodiments, two damper housings 310 are provided, and one air guide port 311 is provided on each of the two damper housings 310.

[0081] The rear end of the air door assembly extends into and is limited in the limiting groove. The rear end of the air door housing extends into and is limited in the limiting groove.

[0082] The damper assembly 300 may include two damper baffles 320 , and the two damper baffles 320 are rotatably disposed on the damper housing 310 to respectively open and close the corresponding air guide ports 311 .

[0083] The damper assembly 300 may include a driving unit for driving the damper baffle 320 to rotate, and the driving unit is used to control the rotation of the damper baffle 320 to control the opening and closing of the corresponding air guide port 311 .

[0084] In this embodiment, the driving unit may include a damper motor 330 for driving the damper baffle 320 to rotate.

[0085] The driving unit may further include a main transmission gear 340 fixedly connected to the output shaft of the damper motor 330. The main transmission gear 340 is transmission-connected to the damper baffle 320 to drive the damper baffle 320 to rotate.

[0086] The driving unit may further include two auxiliary gears 350 , the two auxiliary gears 350 are respectively meshed with the main transmission gear 340 , and the two auxiliary gears 350 are respectively transmission-connected to a damper baffle 320 to drive the corresponding damper baffle 320 to rotate.

[0087] The driving unit may also include two driven gears 360, which are fixed on the rotating shaft of the damper baffle 320; two auxiliary gears 350 are respectively meshed with the main transmission gear 340; the two auxiliary gears 350 are provided with teeth at a part of their axial position for meshing with the driven gears 360, so as to drive the two damper baffles 320 to rotate respectively when the damper motor 330 rotates forward and reversely.

[0088] The two driven gears 360 are formed with a meshing area (an area provided with teeth) and a smooth area (an area not provided with teeth) in the axial direction.

[0089] The cooling fan is a structure capable of forward and reverse rotation; the cooling fan is located above the partition 160. The cooling fan is arranged at the air inlet 131. The forward and reverse rotation of the cooling fan can drive the gas in the cooling air duct 210 to flow toward the exhaust duct 150, or drive the gas in the cooling air duct 210 to enter the cooling compartment 111.

[0090] When the refrigeration cycle is in progress for the refrigeration chamber 111, the damper assembly 300 controls the return air port 132 to open, and the refrigeration fan drives the gas in the refrigeration air duct 210 to enter the refrigeration chamber 111 from the air inlet 131, and then passes through the return air port 132 and the return air duct 140 in turn to return to the refrigeration air duct 210, forming a refrigeration cycle.

[0091] When it is necessary to remove odor from the refrigeration chamber 111, the damper assembly 300 controls the return air duct 140 to close and the exhaust duct 150 to open, and the refrigeration fan drives the gas in the refrigeration chamber 111 to enter the refrigeration duct 210 through the air inlet 131. The gas in the refrigeration duct 210 passes through the exhaust duct 150, and the gas is discharged to the outside of the cabinet 100, so as to remove odor from the refrigeration equipment.

[0092] In the present invention, the return air duct 140 is connected to the refrigeration air duct 210 and the refrigeration compartment 111, and is used for returning air to the refrigeration compartment 111; the refrigeration air duct 210 is connected to the refrigeration compartment 111, and is used for providing cooling to the refrigeration compartment 111. The refrigeration air duct 210 and the return air duct 140 are provided to form a refrigeration cycle for the refrigeration compartment 111.

[0093] The inlet of the exhaust duct 150 is connected to the refrigeration duct 210; the outlet of the exhaust duct 150 is connected to the outside of the cabinet 100, and the exhaust duct 150 and the return duct 140 are provided with a damper assembly 300, which can selectively open and close the corresponding exhaust duct 150 and the return duct 140. After the damper assembly 300 controls the exhaust duct 150 to open, the refrigeration fan can drive the gas in the refrigeration duct 210 to flow toward the exhaust duct 150, so that the gas in the refrigeration compartment 111 can be discharged to the outside of the cabinet 100 through the refrigeration duct 210 and the exhaust duct 150 in sequence, so that the odor in the refrigeration compartment 111 can be effectively discharged.

[0094] 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.

[0095] 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.

[0096] 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, in which an inner liner is arranged; the inner liner is structured to form a refrigeration compartment with a front opening; the front side of the inner liner is covered with a box door; the box door is rotatably arranged at the front side of the inner liner to open and close the inner liner; A refrigeration air duct, which is in communication with the refrigeration compartment and is used to provide cooling to the refrigeration compartment; a refrigeration fan is provided in the refrigeration air duct; A return air duct, which is connected to the refrigeration air duct and the refrigeration compartment and is used for returning air to the refrigeration compartment; An exhaust duct, the inlet of which is connected to the refrigeration duct; the outlet of the exhaust duct is connected to the outside of the box; Among them, the refrigeration fan can drive the gas in the refrigeration air duct to flow toward the exhaust duct; the exhaust duct and the return air duct are provided with damper assemblies, and the damper assemblies can selectively open and close the corresponding exhaust duct and the return air duct.

2. The refrigeration equipment according to claim 1, characterized in that: The refrigeration air duct is located at the rear side of the refrigeration compartment and is arranged at a distance from the refrigeration compartment; the return air duct and the exhaust air duct are both arranged in the refrigeration air duct.

3. The refrigeration equipment according to claim 2, characterized in that: An air duct cover plate is arranged in the inner container, a gap is provided between the rear side wall of the inner container and the air duct cover plate, and the refrigeration air duct is formed between the air duct cover plate and the rear side wall of the inner container.

4. The refrigeration equipment according to claim 3, characterized in that: A partition is arranged between the rear side wall of the refrigeration compartment and the air duct cover plate, and two opposite side edges of the partition are sealed and connected to the side walls of the refrigeration air duct; the exhaust duct and the return air duct are formed on both sides of the partition.

5. The refrigeration equipment according to claim 4, characterized in that: The lower end of the partition is sealed and connected to the side wall of the refrigeration air duct; the damper assembly includes a damper housing fixed to the upper end of the partition, two damper baffles, and a driving unit for driving the damper baffles to rotate; the damper housing is provided with two air guide ports, and the two air guide ports are respectively connected to the exhaust duct and the return air duct; the two damper baffles are respectively arranged corresponding to one of the air guide ports, and the two damper baffles are rotatably arranged on the damper housing so as to be able to open and close the corresponding air guide ports respectively.

6. The refrigeration device according to claim 4, characterized in that: The air duct cover is arranged in the inner liner, and a concave limiting groove is formed on the inner side of the rear side wall of the inner liner. The rear end of the air door assembly extends into and is limited in the limiting groove.

7. The refrigeration equipment according to claim 4, characterized in that: The refrigeration fan is a structure capable of forward and reverse rotation; the refrigeration fan is located above the partition.

8. The refrigeration equipment according to claim 4, characterized in that: A foaming layer is arranged between the box body and the inner tank, and the exhaust duct is located at the rear side of the return air duct; an air guide duct is arranged at the rear side of the exhaust duct, and the air guide duct is located in the foaming layer; the front side of the air guide duct is sealed and connected to the rear side wall of the refrigeration compartment, and the rear end is sealed and connected to the box body.

9. The refrigeration equipment according to claim 4, characterized in that: The air duct cover plate is formed with spaced guide ribs on one side facing the refrigeration air duct; the guide ribs are arranged at intervals on the left and right, and a guide groove is formed between the two spaced guide ribs; the refrigeration fan and the damper assembly are both arranged in the guide groove; the left and right ends of the damper assembly respectively abut against the guide ribs.

10. The refrigeration equipment according to claim 3, characterized in that: An odor sensor is arranged on one side of the air duct cover plate facing the refrigeration compartment.

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