Dehumidification module and refrigeration equipment

Abstract

The utility model provides a dehumidification module and refrigeration equipment, the dehumidification module comprises a shell with a containing cavity and a water absorption piece arranged in the containing cavity, the shell comprises a front wall and a rear wall opposite to the front wall, the rear wall and the front wall are both provided with ventilation holes for air circulation, and the water absorption piece is arranged in the containing cavity. The shell is further provided with a water filtering plate arranged in the containing cavity, the water filtering plate is provided with water filtering holes, and the containing cavity is divided into a fixing area provided with a water absorbing piece and a water collecting area arranged below the fixing area through the water filtering plate. According to the dehumidification module provided by the utility model, the water filtering plate is arranged in the accommodating cavity to collect the water absorbed by the water absorbing piece in the water collecting area below the water absorbing piece, so that the water absorbing piece is prevented from being immersed in water.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration equipment, in particular to a dehumidification module and refrigeration equipment with the dehumidification module. Background Art

[0002] A lot of vegetables and fruits are usually placed in the refrigerator's cold storage room, which makes the humidity inside the cold storage room relatively high. When the cold wind blows through the cold storage room, it takes away the water vapor inside the cold storage room and finally brings the water vapor back to the evaporator. When the cold wind with a large amount of water vapor encounters the evaporator, the water vapor will condense on the surface of the evaporator to form frost and eventually ice cubes. Frost and ice cubes will reduce the heat exchange efficiency of the evaporator, so a heating tube needs to be installed at the evaporator for defrosting. The temperature inside the cold storage room will rise during defrosting. If there is a lot of frost and the defrosting time is long, the high temperature of the cold storage room will affect the preservation of food and also increase the power consumption of the refrigerator.

[0003] To solve this problem, technicians installed a dehumidification module at the return air outlet of the cold storage room to pre-absorb the water vapor in the cold storage room. However, after the existing dehumidification module absorbs water, water accumulates at the bottom, which is easy to breed bacteria and is not conducive to the storage of fruits and vegetables in the cold storage room. Utility Model Content

[0004] The utility model aims to provide a dehumidification module and a refrigeration device. A water filter plate with water filter holes is arranged in the shell of the dehumidification module. The water absorbed by the water absorbing member flows into the water collection area below through the water filter plate under the action of gravity and is isolated from the water absorbing member, thereby solving the problem in the prior art that water accumulates at the bottom and causes bacteria to grow on the water absorbing member.

[0005] In order to achieve one of the purposes of the utility model mentioned above, one embodiment of the utility model provides a dehumidification module, including a shell formed with a accommodating cavity and a water absorbent member arranged in the accommodating cavity, the shell includes a front wall and a rear wall opposite to the front wall, the rear wall and the front wall are both provided with ventilation holes for air circulation, the shell is also provided with a water filter plate arranged in the accommodating cavity, the water filter plate is provided with water filter holes and divides the accommodating cavity into a fixed area where the water absorbent member is arranged and a water collection area arranged below the fixed area.

[0006] As a further improvement of an implementation mode of the utility model, the water filter plate is V-shaped.

[0007] As a further improvement of an embodiment of the utility model, the shell also includes a bottom wall and a drainage hole, the inner wall surface of the bottom wall is set at an angle to the horizontal direction, and the drainage hole is set close to the lowest end of the inner wall surface of the bottom wall.

[0008] As a further improvement of an embodiment of the utility model, the water absorbent component includes multiple layers of thin sheets and water absorbent particles, multiple holes are formed at corresponding positions of the multiple layers of thin sheets, and multiple through holes are formed between the multiple layers of thin sheets in the front-to-back direction, and the water absorbent particles are arranged in the through holes.

[0009] As a further improvement of an embodiment of the utility model, the housing further includes a bottom wall, a top wall and two side walls;

[0010] The dehumidification module further includes a heat conducting member including a heat conducting portion surrounding a bottom wall, a top wall and two side walls.

[0011] As a further improvement of an embodiment of the utility model, it also includes a deodorizing component arranged in the fixing area, and the deodorizing component is arranged on a side of the water absorbing component close to the front cover.

[0012] The utility model also provides a refrigeration device, comprising a freezing compartment, a refrigerating compartment, a return air duct connecting the freezing compartment and the refrigerating compartment, and a dehumidification module arranged at one end of the return air duct close to the refrigerating compartment, wherein the dehumidification module is the dehumidification module as described above.

[0013] As a further improvement of an embodiment of the utility model, it also includes an evaporator chamber arranged at the rear side of the freezing compartment, an evaporator and a heating wire arranged in the evaporator chamber;

[0014] The heat conducting member further comprises a conducting portion connected to the heat conducting portion, and the conducting portion passes through a return air duct and is connected to the heating wire.

[0015] As a further improvement of an embodiment of the utility model, a groove is provided on the inner side of the return air duct near one end of the refrigerated compartment, the outer shell is provided with a buckle, and the dehumidification module is connected to the return air duct through the buckle and the groove.

[0016] As a further improvement of one embodiment of the utility model, the return air duct is provided with a screw fixing, the outer shell is provided with a flange, the flange is provided with a fixing hole, and the dehumidification module is fixed to the return air duct through the screw fixing and the fixing hole.

[0017] One or more technical solutions provided by the utility model have at least the following technical effects or advantages:

[0018] The dehumidification module provided by the utility model has a water filter plate with water filter holes arranged in its shell. Water absorbed by the water absorbent member flows into the water collection area below through the water filter plate under the action of gravity and is isolated from the water absorbent member. The water absorbent member will not breed bacteria due to being immersed in water for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the dehumidification module in the embodiment of the utility model.

[0020] Figure 2 yes Figure 1 Schematic diagram of the structure in which a heat-conducting component is arranged outside the dehumidification module.

[0021] Figure 3 It is a schematic diagram of the inner tank and the interior structure of the refrigeration equipment in the utility model.

[0022] Figure 4 yes Figure 3 Top view of the inner tank.

[0023] Figure 5 yes Figure 4 Schematic cross-sectional view along line AA.

[0024] Figure 6 yes Figure 5 Enlarged view of point B in the middle.

[0025] Figure 7 yes Figure 6 Enlarged view of point C in the middle.

[0026] Figure 8 It is a schematic diagram of the cooperation between the foam-molded return air duct and the dehumidification module in the utility model.

[0027] Fig. 9 yes Figure 8 Side view of the .

[0028] Fig.10 yes Fig. 9 Schematic cross-sectional view along line DD.

[0029] Fig.11 yes Fig.10 Exploded view of the screw seat and screw cap.

[0030] 10. Freezer liner; 101. Freezer compartment; 102. First punching hole; 103. Evaporator compartment; 20. Refrigerator liner; 201. Refrigerator compartment; 202. Second punching hole; 30. Return air duct; 302. Air outlet; 303. Return air duct; 304. Groove; 305. First receiving slot; 306. Second receiving slot; 307. Connecting hole; 40. Evaporator; 50. Heating wire;

[0031] 1. Shell; 11. Accommodating cavity; 111. Fixing area; 112. Water collecting area; 12. Water filter plate; 121. Water filter hole; 13. Rear wall; 131. First ventilation hole; 132. Drain hole; 14. Bottom wall; 15. Top wall; 16. Side wall; 17. Buckle; 171. Guide surface; 172. Abutment surface; 18. Flanging; 181. Fixing hole; 2. Front cover; 21. Second ventilation hole; 3. Water absorbing part; 31. Thin sheet; 311. Through hole; 4. Deodorizing part; 5. Heat conducting part; 51. Heat conducting part; 52. Conducting part; 6. Screw seat; 61. Base; 611. Mounting hole; 62. Snap-fit ​​part; 63. Abutment part; 7. Screw cap; 71. Limiting hole. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Terms such as "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used herein to indicate spatial relative positions are used for the purpose of convenience to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. Terms of spatial relative positions may be intended to include different orientations of the device in use or operation other than the orientation shown in the drawings.

[0034] For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0035] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] Furthermore, it should be understood that although the terms first, second, etc. may be used herein to describe various elements or structures, these described objects should not be limited by these terms. These terms are only used to distinguish these described objects from each other. For example, a first vent may be referred to as a second vent, and similarly a second vent may also be referred to as a first vent, without departing from the scope of protection of this application.

[0037] The utility model embodiment provides a dehumidification module, such as Figure 1 As shown, it includes a shell formed with a accommodating cavity 11 and a water absorbing member 3 arranged in the accommodating cavity 11, the shell includes a front wall and a rear wall 13 opposite to the front wall, the rear wall 13 and the front wall are both provided with ventilation holes for air circulation, the shell is also provided with a water filter plate 12 arranged in the accommodating cavity 11, the water filter plate 12 is provided with water filtering holes 121 and divides the accommodating cavity 11 into a fixed area 111 where the water absorbing member 3 is arranged and a water collection area 112 arranged below the fixed area 111.

[0038] Specifically, Figure 1 In the figure, the outer shell includes a shell body 1 with an opening and a front cover 2 covering the opening of the shell body 1. In this article, as far as the dehumidification module is concerned, the opening of the shell body 1 is facing forward, so the front cover 2 is covering the opening of the shell body 1, and the front cover 2 is the aforementioned front wall. The rear wall 13 is opposite to the front cover 2 in the shell body 1, and the top (or upper) and the bottom (or lower) are upper and lower in the relative vertical direction.

[0039] The ventilation holes on the rear wall 13 are first ventilation holes 131, and the ventilation holes on the front cover 2 are second ventilation holes 21. Air enters the accommodating chamber 11 from the second ventilation holes 21, is dehumidified by the water absorbing member 3 in the accommodating chamber 11, and then flows out of the housing from the first ventilation holes 131. The front cover 2 and the rear wall 13 are the two largest surfaces of the dehumidification module. Ventilation holes are arranged on these two surfaces to allow air to pass through the dehumidification module to the greatest extent, and absorb moisture in the air under the action of the water absorbing member 3.

[0040] A water filter plate 12 with water filter holes 121 is arranged in the accommodating cavity 11 of the shell 1, and the water absorbent member 3 is arranged above the water filter plate 12. The water absorbed by the water absorbent member 3 is deposited downward under the action of gravity and drips into the water collection area 112 below the water filter plate 12 through the water filter holes 121 on the water filter plate 12, so that the water absorbent member 3 is separated from the accumulated water to prevent the water absorbent member 3 from breeding bacteria.

[0041] In some embodiments, the water filter plate 12 is V-shaped, such as Figure 1 In the embodiment, the opening of the V-shaped water filter plate 12 faces upward, and the two ends of the bottom of the water absorbent member 3 are supported on the water filter plate 12. On the one hand, the V-shaped water filter plate 12 makes the contact area between the water absorbent member 3 and the water filter plate 12 smaller; on the other hand, the V-shaped water filter plate 12 is set at an angle to the horizontal direction, which is more conducive to the flow of water deposited downward.

[0042] In some embodiments, a water filtering hole 121 is provided at the bottom bend of the V-shaped water filtering plate 12 to prevent water from accumulating at the bottom of the V-shaped water filtering plate 12 .

[0043] In some embodiments, the housing 1 further includes a bottom wall 14 and a drainage hole 132, the inner side wall 16 of the bottom wall 14 is arranged at an angle to the horizontal direction, and the drainage hole 132 is arranged near the lowest end of the bottom wall 14. The inner side wall 16 of the bottom wall 14 is arranged at an angle to the horizontal direction, so that water dripping from the dehumidification element in the fixing area 111 to the water collection area 112 can flow to the lower end of the inner side wall 16 of the bottom wall 14, and then be discharged from the dehumidification module through the drainage hole 132 at the bottom end.

[0044] In some embodiments, the water absorbent member 3 includes a multi-layer sheet 31 and water absorbent particles. The multi-layer sheet 31 has a plurality of holes formed at corresponding positions. In the front-to-back direction, the multi-layer sheet 31 is combined to form a plurality of through holes 311. The water absorbent particles are disposed in the through holes 311. Figure 1 When air flows through the absorbent member 3, the absorbent particles in the through holes 311 absorb water vapor in the air. There are gaps between the multiple sheets 31, and water absorbed by the absorbent particles flows downward through the gaps between the sheets 31 under the action of gravity.

[0045] In some embodiments, the water-absorbing particles are polymer-based composite desiccant, which is composited with polyacrylic acid (PAA), sodium polyacrylate (PAA-Na), and polyvinyl alcohol (PVA). The polymer-based composite desiccant has the ability to regenerate at 40-50°C.

[0046] In some embodiments, the shell 1 includes a top wall 15 and two side walls 16 in addition to the aforementioned bottom wall 14 ; the dehumidification module also includes a heat conductor 5 , which includes a heat conducting portion 51 surrounding the bottom wall 14 , the top wall 15 and the two side walls 16 .

[0047] The heat conducting part 51 is disposed around the bottom wall 14, the top wall 15 and the two side walls 16 of the housing 1 to provide heat for the water absorbing member 3 disposed in the housing 1, so that the water absorbing particles in the water absorbing member 3 are regenerated at a higher temperature, thereby preventing the water absorbing member 3 from becoming a consumable product that can only absorb water once. The heat conducting part 51 may be a heating element such as a heating wire 50 that can generate heat by itself, or may be a metal with a higher thermal conductivity.

[0048] In some embodiments, the dehumidification module further includes a deodorizing member 4 disposed in the fixing area 111, and the deodorizing member 4 is disposed on the side of the water absorbing member 3 close to the front cover 2. The deodorizing member 4 is disposed on the front side of the air flow direction so that the air first passes through the deodorizing member 4, and the deodorizing member 4 absorbs odor molecules in the air to avoid contaminating the water absorbing member 3. The deodorizing member 4 can be composed of activated carbon or other materials that can absorb or decompose odor molecules.

[0049] The utility model also provides a refrigeration device, including a freezing compartment 101, a refrigerating compartment 201, a return air duct 30 connecting the freezing compartment 101 and the refrigerating compartment 201, and a dehumidification module arranged at one end of the return air duct 30 close to the refrigerating compartment 201, and the dehumidification module is the aforementioned dehumidification module.

[0050] like Figures 3 to 6 In the embodiment, the refrigeration device includes a freezing liner 10 and a refrigerating liner 20. The freezing liner 10 defines the aforementioned freezing chamber 101, and the refrigerating liner 20 defines the aforementioned refrigerating chamber 201. The freezing liner 10 is provided with a first punching hole 102 at the rear end near the refrigerating liner 20, and the refrigerating liner 20 is provided with a second punching hole 202 at the rear end near the freezing liner 10. Both ends of the return air duct 30 are connected to the first punching hole 102 and the second punching hole 202. For the refrigeration device, the opening direction of the freezing chamber 101 and the refrigerating chamber 201 is the front.

[0051] In some embodiments, the refrigeration device further includes an evaporator chamber 103 disposed at the rear side of the freezing chamber 101, an evaporator 40 and a heating wire 50 disposed in the evaporator chamber 103; the heat conducting member 5 of the dehumidification module further includes a conducting portion 52 connected to the heat conducting portion 51, and the conducting portion 52 passes through the return air duct 30 and is connected to the heating wire 50. The heating wire 50 is arranged near the evaporator 40 to defrost the evaporator 40, and the conducting portion 52 is connected to the heating wire 50. The heat of the heating wire 50 when defrosting the evaporator 40 is transferred to the heat conducting portion 51 through the conducting portion 52, and the heat conducting portion 51 transfers the heat to the water absorbing member 3 to regenerate the water absorbing member 3. When defrosting, the temperature of the heating wire 50 can reach 200 degrees Celsius, which is fully able to meet the regeneration temperature of the water absorbing particles.

[0052] In some embodiments, the return air duct 30 includes a return air port near the refrigerating compartment 201 , an air outlet 302 near the freezing compartment 101 , and a return air passage 303 connecting the return air port and the air outlet 302 , and the return air port is higher than the air outlet 302 . Figure 6 The middle return air vent is covered by the dehumidification module.

[0053] Since the refrigeration equipment usually has a funnel-shaped water collecting pan under the evaporator 40 for discharging the defrost water of the evaporator 40 out of the refrigeration equipment, the present application arranges the return air port at the end of the return air duct 30 close to the refrigerating compartment 201 to be higher than the air outlet 302 close to the end of the freezing compartment 101, and the dehumidification module is arranged at the end of the return air duct 30 close to the refrigerating compartment 201, that is, the moisture absorbed by the dehumidification module will enter the freezing liner 10 along the return air duct 30, and can be discharged from the refrigeration equipment through the water collecting pan arranged in the freezing liner 10.

[0054] In some embodiments, the bottom of the return air duct 303 is tilted and the tilt angle is greater than 6 degrees. The tilt angle of the bottom of the return air duct 303 greater than 6 degrees can ensure that the water droplets roll, preventing the water droplets from staying inside the return air duct 30 and freezing under the cold radiation of the evaporator 40 to block the return air duct 30.

[0055] The return air duct 30 can be designed in different structures and installation designs according to the actual materials used. The return air duct 30 is usually made of plastic injection molding or EPS foam molding.

[0056] When the return air duct 30 is plastic injection molded, flanges 18 are formed outward at the return air port and the air outlet 302 at both ends of the return air duct 30 to wrap around the edges of the first punching hole 102 and the second punching hole 202 to prevent the foaming material from entering the return air duct 30 and the freezing compartment 101 / refrigerating compartment 201.

[0057] like Figure 7 In the embodiment, a groove 304 is provided on the inner side of the return air duct 30 near the end of the refrigerating compartment 201, and a buckle 17 is provided on the housing 1. The dehumidification module is connected to the return air duct 30 through the buckle 17 and the groove 304. The buckle 17 is inclined from the end away from the housing 1 to the end close to the housing 1 toward the freezing compartment 101 to form a guide surface 171. The buckle 17 is also formed with an abutting surface 172 facing the refrigerating compartment 201. When the dehumidification module is installed, the dehumidification module is aligned with the return air outlet and pushed toward the air outlet 302 so that the guide surface 171 abuts against the edge of the return air outlet. Under the guidance of the guide surface 171, the buckle 17 enters the groove 304, and the abutting surface 172 abuts against the inner wall of the groove 304.

[0058] When the return air duct 30 is formed of EPS foam, both ends of the return air duct 30 still cover the edges of the first punching hole 102 and the second punching hole 202 to prevent the foaming material from entering the return air duct 30 and the freezing compartment 101 / refrigeration compartment 201.

[0059] The return air duct 30 is provided with a screw fixing piece, the housing 1 is provided with a flange 18 , the flange 18 is provided with a fixing hole 181 , and the dehumidification module is fixed to the return air duct 30 via the screw fixing piece and the fixing hole 181 .

[0060] like Fig.10In the embodiment, when the return air duct 30 is formed, a first receiving groove 305 facing the freezing compartment 101, a second receiving groove 306 facing the refrigerating compartment 201, and a connecting hole 311307 connecting the first receiving groove 305 and the second receiving groove 306 are reserved at the top of the return air duct 30, and the screw fixing member includes a screw seat 6 and a screw cap 7. The screw seat 6 includes a cylindrical base 61, a clamping portion 62 arranged around one end of the base 61, and an abutting portion 63 arranged at intervals at the other end of the base 61, the clamping portion 62 is truncated, and the outer diameter of the end close to the abutting portion 63 is larger; the screw cap 7 is cylindrical with one end open, and a limiting hole 71 with an inner diameter smaller than the inner diameter of the cylinder is opened at the bottom of the cylinder away from the opening end, and the inner diameter of the limiting hole 71 is larger than the outer diameter of the clamping portion 62 close to the abutting portion 63. The clamping portion 62 of the screw seat 6 passes through the communicating hole 311307 and the limiting hole 71 in sequence, and is limited by the limiting hole 71, and the abutting portion 63 abuts against the step formed between the first accommodating groove 305 and the communicating hole 311307. The base 61 of the screw seat 6 is provided with a mounting hole 611 that penetrates the base 61 along the central axis of the base 61. When the dehumidification module is installed, the screw is fixed through the fixing hole 181 and the mounting hole 611.

[0061] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0062] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A dehumidification module, characterized in that: The invention comprises a shell having a receiving cavity (11) and a water absorbing member (3) arranged in the receiving cavity (11), the shell comprising a front wall and a rear wall (13) opposite to the front wall, the rear wall (13) and the front wall both being provided with ventilation holes for air circulation, the shell further comprising a water filter plate (12) arranged in the receiving cavity (11), the water filter plate (12) being provided with water filter holes (121) and dividing the receiving cavity (11) into a fixed area (111) where the water absorbing member (3) is arranged and a water collection area (112) arranged below the fixed area (111).

2. The dehumidification module according to claim 1, characterized in that: The water filter plate (12) is V-shaped.

3. The dehumidification module according to claim 1, characterized in that: The housing further comprises a bottom wall (14) and a drainage hole (132); the inner side wall (16) of the bottom wall (14) is arranged at an angle to the horizontal direction; and the drainage hole (132) is arranged close to the lowest end of the inner side wall (16) of the bottom wall (14).

4. The dehumidification module according to claim 1, characterized in that: The water absorbing member (3) comprises a multi-layer sheet (31) and water absorbing particles. A plurality of holes are formed at corresponding positions of the multi-layer sheet (31). In the front-to-back direction, a plurality of through holes (311) are formed between the multi-layer sheets (31), and the water absorbing particles are arranged in the through holes (311).

5. The dehumidification module according to claim 1, characterized in that: The housing further comprises a bottom wall (14), a top wall (15) and two side walls (16); The dehumidification module further comprises a heat conducting member (5), wherein the heat conducting member (5) comprises a heat conducting portion (51) surrounding a bottom wall (14), a top wall (15) and two side walls (16).

6. The dehumidification module according to any one of claims 1 to 5, characterized in that: It also includes a deodorizing component (4) arranged in the fixing area (111), and the deodorizing component (4) is arranged on a side of the water absorbing component (3) close to the front cover (2).

7. A refrigeration device, characterized in that: The invention comprises a freezing compartment (101), a refrigerating compartment (201), a return air duct (30) connecting the freezing compartment (101) and the refrigerating compartment (201), and a dehumidification module arranged at one end of the return air duct (30) close to the refrigerating compartment (201), wherein the dehumidification module is the dehumidification module according to any one of claims 1 to 6.

8. The refrigeration device according to claim 7, characterized in that: It also includes an evaporator chamber (103) arranged at the rear side of the freezing chamber (101), an evaporator (40) and a heating wire (50) arranged in the evaporator chamber (103); The heat-conducting member (5) further comprises a conduction portion (52) connected to the heat-conducting portion (51), and the conduction portion (52) passes through the return air duct (30) and is connected to the heating wire (50).

9. The refrigeration device according to claim 7, characterized in that: A groove (304) is provided on the inner side of one end of the return air duct (30) close to the refrigeration compartment (201), and a buckle (17) is provided on the outer shell. The dehumidification module is connected to the return air duct (30) through the buckle (17) and the groove (304).

10. The refrigeration equipment according to claim 7, characterized in that: The return air duct (30) is provided with a screw fixing part, the housing is provided with a flange (18), the flange (18) is provided with a fixing hole (181), and the dehumidification module is fixed to the return air duct (30) via the screw fixing part and the fixing hole (181).

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