Cabinet door, cabinet and cooling system

Abstract

The invention discloses a cabinet door, a cabinet and a cooling system, relates to the technical field of communication cabinets, and aims to solve the problem of how to improve the heat dissipation efficiency of communication equipment. The cabinet door comprises a door body and an air guide pipe, the door body is provided with a containing space, an air inlet is formed in the door body, the door body comprises a first wall plate, an air outlet hole is formed in the first wall plate, and the air inlet and the air outlet hole are both communicated with the containing space; the air guide pipe is arranged in the air outlet hole, and at least one part of the air guide pipe is located on the side, facing the outer wall face, of the first wall plate.

Description

Technical Field

[0001] The present application relates to the technical field of communication cabinets, and in particular to a cabinet door, a cabinet and a cooling system. Background Art

[0002] With the rapid development of the modern communications industry, the number of communication cabinets in the communication room is increasing. A communication cabinet is a large electrical equipment with a large number of communication devices (such as servers) inside. These communication devices will generate a lot of heat when working, causing the temperature inside the communication cabinet to rise. If the heat is not dissipated in time, the communication equipment will shut down due to high temperature. Therefore, it is necessary to dissipate heat for the communication equipment in a timely manner.

[0003] In the related art, the heat dissipation method for communication equipment is: cold air is delivered to the computer room through the air conditioning system to cool the computer room and then dissipate the heat of the communication equipment. However, this heat dissipation method has the problem of low heat dissipation efficiency. Summary of the invention

[0004] The embodiments of the present application provide a cabinet door, a cabinet and a cooling system for solving the problem of how to improve the heat dissipation efficiency of communication equipment.

[0005] To achieve the above objectives, the embodiments of the present application adopt the following technical solutions:

[0006] In the first aspect, the present application provides a cabinet door, including: a door body and an air duct, the door body having a storage space, an air inlet being arranged on the door body, the door body including: a first wall panel, an air outlet being arranged on the first wall panel, the air inlet and the air outlet being both connected to the storage space; the first wall panel also includes a first surface facing away from the storage space; the air duct is arranged in the air outlet, and at least a portion of the air duct is located on the side facing the first surface.

[0007] The cabinet door provided in the present application can allow cold air to enter the accommodating space from the air inlet and then enter the cabinet from the air duct. Since the air duct protrudes from the outer wall surface of the first wall panel, the distance between the cold air and the communication equipment in the cabinet can be shortened, which is beneficial for the cold air to directly dissipate the heat of the communication equipment and improve the heat dissipation efficiency of the communication equipment.

[0008] In some possible implementations, the air guide duct is detachably disposed in the air outlet.

[0009] In some possible embodiments, the door body further includes a cover body and a side panel, and the cover body is arranged opposite to the first wall panel; the side panel includes: a first frame body and a second frame body, the first frame body is connected to the cover body, and the second frame body is connected to the first wall panel; the first frame body is sleeved on the second frame body, or the second frame body is sleeved on the first frame body, and an accommodating space is defined between the cover body, the first frame body, the second frame body and the first wall panel; the first frame body and the second frame body are slidably connected so that the cover body can move in a direction close to or away from the first wall panel.

[0010] In some possible implementations, a slide groove is provided on one of the first frame body and the second frame body, and a slider is provided on the other frame body, and the slider is slidably matched with the slide groove.

[0011] In some possible embodiments, the slider includes a first outer surface facing away from the accommodating space; the cabinet door also includes: a fixing rod and a first locking piece, one end of the fixing rod is fixedly connected to the first outer surface, and the other end is located outside the slide groove; the first locking piece is sleeved on the fixing rod and is used to abut against the outer wall surface of the side panel to lock the slider in the slide groove.

[0012] In some possible embodiments, the door body also includes a first side panel and a second side panel that are relatively arranged, and the first side panel and the second side panel are both connected to the first wall panel; the cabinet door also includes: a blind plate, which is movably connected between the first side panel and the second side panel to open or close the air outlet.

[0013] In some possible embodiments, a first rotating structure is provided on the first side plate, a first rotating part is provided on the blind plate, and the first rotating structure is rotatably connected to the first rotating part; a second rotating structure is provided on the second side plate, a second rotating part is provided on the blind plate, and the second rotating structure is rotatably connected to the second rotating part.

[0014] In some possible embodiments, the first rotating structure includes an arc groove and a first rotating hole, and the center of the arc groove coincides with the center of the first rotating hole; the first rotating part includes a first rotating rod and a second rotating rod, the first rotating rod can be slidably inserted in the arc groove, and the second rotating rod can be rotatably inserted in the first rotating hole.

[0015] In some possible implementations, there are multiple air outlet holes and blind plates, the multiple air outlet holes are arranged at intervals in the height direction of the first wall plate, and the multiple blind plates correspond to the multiple air outlet holes one by one.

[0016] In some possible implementations, the first side panel and / or the second side panel is a transparent member.

[0017] In some possible implementations, the further comprising: a support member, the support member is connected to the first wall panel, the support member comprises a first support surface, and at least a portion of the outer wall surface of the air guide duct is supported on the first support surface.

[0018] In some possible embodiments, the inner wall surface of the air outlet includes a second supporting surface, part of the outer wall surface of the air duct is supported on the second supporting surface, a groove is provided on the second supporting surface, the groove passes through the outer wall surface of the first wall panel, the groove includes a groove bottom wall, the orientation of the groove bottom wall is the same as the orientation of the second supporting surface, the groove bottom wall is coplanar with the second supporting surface, and the support member is supported on the groove bottom wall.

[0019] In some possible embodiments, the air duct includes an adjacent first wall surface and a second wall surface, the first wall surface is supported on a first supporting surface; the support member includes a support plate and a guide plate, the first supporting surface is located on the support plate, the guide plate is connected to the support plate, the guide plate includes a guide surface, and the guide surface is opposite to the second wall surface.

[0020] In a second aspect, the present application provides a cabinet, comprising: a cabinet body and a cabinet door, wherein the cabinet door is arranged on the cabinet body, and the cabinet door is the cabinet door described in any technical solution of the first aspect above.

[0021] Since the cabinet provided in the embodiment of the present application includes the cabinet door as described in any technical solution of the first aspect above, the two can solve the same technical problem and achieve the same effect.

[0022] In some possible embodiments, an air outlet is provided at one end of the air duct facing away from the first wall panel; the cabinet also includes: communication equipment, the communication equipment is installed inside the cabinet, the communication equipment includes a second surface, the second surface is arranged opposite to the air outlet, and the minimum distance between the air outlet and the second surface is less than or equal to 5 cm.

[0023] In a third aspect, the present application provides a cooling system, comprising:

[0024] A refrigeration device, the refrigeration device comprising a cold air output port;

[0025] An air supply duct, the air supply duct comprises an inlet and an outlet, and the inlet is connected to the cold air outlet;

[0026] The cabinet is a cabinet as described in any technical solution of the second aspect above, and the air inlet and outlet of the door body are connected.

[0027] In this way, the cold air output by the refrigeration device can be directly transmitted to the cabinet door through the air supply duct, and then the cold air is directly transported into the cabinet body from the air outlet of the cabinet door to dissipate the heat of the communication equipment, thereby improving the refrigeration efficiency of the refrigeration device and further improving the heat dissipation efficiency of the communication equipment.

[0028] In some possible embodiments, a pressure relief port is provided on the air supply pipe, and the cooling system further includes: a positive pressure protection device, the positive pressure protection device includes a pressure relief plate and an elastic member, the pressure relief plate is rotatably connected to the air supply pipe to open or close the pressure relief port; the elastic member is connected between the pressure relief plate and the air supply pipe, and the elastic member is used to apply a force on the pressure relief plate toward the pressure relief port. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of the structure of a cabinet provided in some embodiments of the present application;

[0030] Figure 2 for Figure 1 The internal structure diagram of the cabinet shown;

[0031] Figure 3 A schematic diagram of the structure of a cabinet door provided in some embodiments of the present application;

[0032] Figure 4 for Figure 3 An enlarged view of the cabinet door in area A is shown;

[0033] Figure 5 for Figure 3 A schematic diagram of a portion of the structure of the cabinet door shown;

[0034] Figure 6 for Figure 5 The schematic diagram of the assembly of the blind plate and the first side plate in the cabinet door is shown;

[0035] Figure 7 for Figure 5 A schematic diagram of the assembly of the first side panel and the first wall panel in the cabinet door shown;

[0036] Figure 8 for Figure 5 Front view of the cabinet door shown;

[0037] Fig. 9 for Figure 3 An enlarged view of the cabinet door in area B is shown;

[0038] Fig.10 for Figure 3 The schematic diagram of the assembly of the support member and the air outlet in the cabinet door shown;

[0039] Fig.11 for Figure 3 a rear view of the first wall panel of the cabinet door;

[0040] Fig.12 A schematic diagram of the structure of a cooling system provided in some embodiments of the present application;

[0041] Fig.13 for Fig.12The schematic diagram of the assembly of the positive pressure protection device and the air supply duct in the cooling system is shown.

[0042] Reference numerals: 100, cabinet door; 1, door body; 11, first wall plate; 111, air outlet; 1111, second supporting surface; 1112, groove; 11121, groove bottom wall; 112, first side surface; 113, first surface; 12, side panel; 121, first frame; 122, second frame; 1221, first side panel; 1222, second side panel; 1223, first bottom plate; 13, cover body; 1 4. Accommodation space; 15. Air inlet; 2. Air duct; 21. First wall; 22. Second wall; 23. Third wall; 24. Air outlet; 31. Slide; 32. Slider; 321. First outer surface; 33. Fixing rod; 34. First locking member; 341. Nut; 342. Washer; 41. Blind plate; 42. First rotating structure; 421. Arc groove; 422. First rotating hole; 43. First rotating part; 431. First rotating rod; 432. Second rotating rod; 44. Second rotating structure; 45. Second rotating part; 46. Second locking member; 5. Support member; 51. Support plate; 511. First supporting surface; 52. Guide plate; 521. Guide surface; 200. Cabinet; 61. Cabinet; 611. Installation space; 62. Communication equipment; 621. Second surface; 300. Cooling system; 71. Refrigeration equipment 711, cold air outlet; 72, air supply duct; 721, inlet; 722, outlet; 723, main and branch pipes; 724, branch pipes; 725, pressure relief port; 73, static pressure box; 74, canvas flexible connection device; 75, pressure gauge; 76, thermometer and hygrometer; 77, positive pressure protection device; 771, pressure relief plate; 772, elastic member; 7721, hook; 773, fixing block; 7731, limit groove. DETAILED DESCRIPTION

[0043] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0044] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0045] 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, unless otherwise specified, "plurality" means two or more.

[0046] 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 direct connection, or an indirect connection 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.

[0047] In the description of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0048] The present application provides a cabinet 200, which may be a communication cabinet. Figure 1 Combined with Figure 2 ,in, Figure 1 A schematic diagram of the structure of a cabinet 200 provided in some embodiments of the present application; Figure 2 for Figure 1 The internal structure diagram of the cabinet 200 is shown. The cabinet 200 includes: a cabinet body 61 and a cabinet door 100. The cabinet body 61 is provided with an installation space 611, and the installation space 611 is used to install a communication device 62. The communication device 62 can be a metropolitan area network device, a transmission network device, a bearer network device, a core network device, a wireless network device, an OSS device, a switch, a protocol converter, an optical fiber machine, and other devices.

[0049] The cabinet door 100 is disposed on the cabinet body 61. The cabinet door 100 is used to open or close the installation space 611 so as to facilitate taking and placing the communication device 62.

[0050] Reference Figure 3 , Figure 3A schematic diagram of the structure of the cabinet door 100 provided for some embodiments of the present application. The cabinet door 100 is in the shape of a rectangle. In order to facilitate the description of the embodiments below, an XYZ coordinate system is established for the cabinet door 100. Specifically, the width direction of the cabinet door 100 is the X-axis direction, the length direction of the cabinet door 100 is the Y-axis direction, and the height direction of the cabinet door 100 is the Z-axis direction. It can be understood that the coordinate system setting of the cabinet door 100 can be flexibly set according to actual needs, and no specific limitation is made here. In some other embodiments, the shape of the cabinet door 100 can also be a square body, a cylinder, etc.

[0051] The cabinet door 100 includes: a door body 1 and an air duct 2, and the door body 1 has a receiving space 14. Exemplarily, the door body 1 includes: a first wall panel 11, a side panel 12, and a cover body 13. The first wall panel 11 and the cover body 13 are arranged at two ends of the side panel 12 opposite to each other, and the receiving space 14 is defined between the first wall panel 11, the cover body 13 and the side panel 12. Among them, the first wall panel 11 includes a first surface 113 facing away from the receiving space 14; the first surface 113 faces the cabinet 200.

[0052] The door body 1 is provided with an air inlet 15, which is connected to the accommodating space 14. Figure 3 In the illustrated embodiment, the air inlet 15 is disposed on the top plate of the side panel 12. It is understandable that in other embodiments, the air inlet 15 may be disposed on the side panel or the bottom plate of the side panel 12, or may be disposed on the cover 13.

[0053] The air inlet 15 may be connected to the cold air outlet 711 of the refrigeration device 71 . In this way, the cold air prepared by the refrigeration device 71 may be delivered to the accommodation space 14 through the cold air outlet 711 .

[0054] Reference Figure 3 The first wall plate 11 is provided with an air outlet 111, and the air outlet 111 is connected to the accommodation space 14; illustratively, Figure 3 In the illustrated embodiment, the air outlet hole 111 is a rectangular hole. The length direction of the air outlet hole 111 is parallel to the Y-axis direction, the width direction of the air outlet hole 111 is parallel to the Z-axis direction, and the depth direction of the air outlet hole 111 is parallel to the X-axis direction. For example, the length of the air outlet hole 111 can be 550 mm, the width can be 45 mm, and the depth can be 0.5 mm (that is, the thickness of the first wall plate 11 is 0.5 mm). Of course, the present application is not limited to this. In other embodiments, the air outlet hole 111 can also be a circular hole, an elliptical hole, a polygonal hole, or an irregularly shaped hole, etc.

[0055] The air duct 2 is arranged in the air outlet 111. The air duct 2 has an air outlet 24, and the air outlet 24 is arranged at one end of the air duct 2 away from the first wall plate 11. The air duct 2 is used to transport the cold air in the accommodating space 14 to the cabinet 61. In some embodiments, at least a part of the air duct 2 is located on the side facing the first surface 113. That is, the entire air duct 2 may be located on the side facing the first surface 113, or a part of the air duct 2 may be located in the air outlet 111, and the other part may be located on the side facing the first surface 113. For example, in Figure 3 In the embodiment shown, the air guide tube 2 is a rectangular tube. It is understandable that in other embodiments, the air guide tube 2 can also be a circular tube, an elliptical tube, a polygonal tube, etc.

[0056] In this way, cold air can enter the accommodating space 14 from the air inlet 15, and then enter the cabinet 200 from the air duct 2. Since the air duct 2 protrudes from the first surface 113 of the first wall panel 11, at least a portion of the air duct 2 is located in the cabinet 200, which can shorten the distance between the air outlet 24 of the air duct 2 and the communication equipment 62 in the cabinet 200, which is beneficial for the cold air to directly dissipate the heat of the communication equipment 62, thereby improving the heat dissipation efficiency of the communication equipment 62.

[0057] In some embodiments, the wall thickness of the air duct 2 is 0.8 mm to 1.5 mm. For example, the wall thickness of the air duct 2 can be 0.8 mm, 0.9 mm, 1 mm, 1.2 mm, 1.3 mm, 1.5 mm, etc. In this way, the structural strength of the air duct 2 can be ensured, and it is helpful to increase the area of ​​the air outlet 24 of the air duct 2, so that more cold air can be introduced into the cabinet 61, so that more cold air can directly dissipate heat for the communication equipment 62, thereby improving the heat dissipation efficiency of the communication equipment 62.

[0058] In some embodiments, the first wall plate 11 is made of a steel plate, so that the first wall plate 11 has high strength and good toughness.

[0059] Reference Figure 2 In some embodiments, the cabinet 200 further includes: a communication device 62, the communication device 62 is installed in the installation space 611 of the cabinet 61, the communication device 62 includes a second surface 621, the second surface 621 is arranged opposite to the air outlet 24, and the minimum distance L3 between the air outlet 24 and the second surface 621 is less than or equal to 5 cm. Exemplarily, the distance L3 can be 0 cm, 0.5 cm, 1 cm, 1.5 cm, 2 cm, 2.5 cm, 3 cm, 3.5 cm, 4 cm, 4.5 cm, 5 cm, etc. In this way, it is beneficial to directly deliver cold air to the surface of the communication device 62, thereby improving the heat dissipation efficiency of the communication device 62.

[0060] Exemplarily, in some embodiments, the distance between the communication device 62 and the first wall panel 11 is 80 mm, the length direction of the air duct 2 is the same as the X-axis direction, and the length of the air duct 2 is 80 mm, that is, the air outlet 24 of the air duct 2 abuts against the second surface 621 of the communication device 62.

[0061] Reference Figure 3 In some embodiments, the air duct 2 is detachably disposed in the air outlet 111. Exemplarily, the air duct 2 and the air outlet 111 can be detachably connected by screws, bolts, buckles, etc. In this way, on the one hand, it is convenient to replace the air duct 2 of different lengths to adapt to the distance between the communication device 62 and the first wall plate 11, so as to shorten the distance between the air outlet 24 and the communication device 62 in the cabinet 200, thereby improving the heat dissipation performance of the communication device 62; on the other hand, it is also convenient to repair the air duct 2.

[0062] In some embodiments, the air duct 2 is slidably disposed in the air outlet 111 along the thickness direction of the first wall plate 11. In this way, it is convenient to adjust the length of the air duct 2 extending into the cabinet 61, thereby facilitating the adjustment of the distance between the air outlet 24 of the air duct 2 and the communication device 62, so as to improve the heat dissipation performance of the communication device 62.

[0063] In some embodiments, the air duct 2 is sealed to the air outlet 111. Specifically, the air duct 2 and the air outlet 111 can be sealed by a sealing gasket 342; or the sealing connection can be achieved by making the outer wall of the air duct 2 fit the inner wall of the air outlet 111. In this way, more cold air can enter the cabinet 200 from the air duct 2 to dissipate heat for the communication equipment 62, which can further improve the heat dissipation efficiency of the communication equipment 62.

[0064] Reference Figure 3 In some embodiments, the side panel 12 includes: a first frame 121 and a second frame 122, the first frame 121 is connected to the cover 13, and the second frame 122 is connected to the first wall panel 11;

[0065] The first frame 121 and the cover 13 can be connected by welding, clamping, screw connection, etc., or the first frame 121 and the cover 13 are integrally formed. The connection method between the second frame 122 and the first wall plate 11 can be designed with reference to the connection method between the first frame 121 and the cover 13, and will not be repeated here.

[0066] The first frame 121 is sleeved on the second frame 122, or the second frame 122 is sleeved on the first frame 121. Figure 3 In the illustrated embodiment, the second frame body 122 is sleeved on the first frame body 121 .

[0067] The cover 13, the first frame 121, the second frame 122 and the first wall plate 11 define a storage space 14; the first frame 121 and the second frame 122 are slidably connected so that the cover 13 can move in a direction close to or away from the first wall plate 11. In this way, the volume of the storage space 14 can be adjusted by adjusting the relative position of the first frame 121 and the second frame 122, and the cold air pressure in the cabinet door 100 can be adjusted to avoid excessive impact of the cold air on the communication device 62 due to excessive pressure of the cold air delivered into the cabinet 61, resulting in damage to the communication device 62, for example, damage to the cooling fan of the communication device 62. Specifically, when the cold air pressure is too high, the first frame 121 can be slid in a direction away from the first wall plate 11 to expand the volume of the storage space 14 and reduce the cold air pressure.

[0068] For example, in Figure 3 In the illustrated embodiment, the second frame 122 includes: a first side plate 1221, a second side plate 1222, and a first bottom plate 1223. The first side plate 1221 and the second side plate 1222 are oppositely arranged at two ends of the first bottom plate 1223. The first bottom plate 1223, the first side plate 1221, and the second side plate 1222 are all connected to the first wall plate 11.

[0069] Reference Figure 4 , Figure 4 for Figure 3 The cabinet door 100 is shown in an enlarged view of the area A. In some embodiments, one of the first frame 121 and the second frame 122 is provided with a slide groove 31, and the other is provided with a slider 32, and the slider 32 is slidably matched with the slide groove 31, and the first frame 121 and the second frame 122 are slidably connected by the slider 32 and the slide groove 31. Figure 4 In the illustrated embodiment, a slider 32 is provided on the second frame 122, and a slide groove 31 is provided on the first frame 121. In this way, the structure for realizing the slidable connection is simple, which is conducive to reducing the difficulty of assembling the first frame 121 and the second frame 122. In other embodiments, the first frame 121 and the second frame 122 can also realize the slidable connection through the cooperation of the slide rail and the slide groove 31.

[0070] In some embodiments, the first frame 121 is made of a steel plate, so that the first frame 121 has high strength and good toughness.

[0071] Further, see Figure 4The slider 32 includes a first outer surface 321 that faces away from the accommodating space 14; the cabinet door 100 also includes: a fixing rod 33 and a first locking member 34, one end of the fixing rod 33 is fixedly connected to the first outer surface 321, and the other end is located outside the slide groove 31; the fixing rod 33 and the first outer surface 321 can be connected by welding, clamping, screw fixing, etc., or the fixing rod 33 and the slider 32 are an integrally formed part.

[0072] The first locking member 34 is sleeved on the fixing rod 33 and is used to abut against the outer wall surface of the side panel 12 to lock the slider 32 in the slide groove 31. In this way, by making the first locking member 34 abut against the outer wall surface of the side panel 12, the slider 32 can be locked in the slide groove 31 by utilizing the friction between the first locking member 34 and the side panel 12, thereby preventing the first frame 121 and the second frame 122 from sliding relative to each other.

[0073] For example, in Figure 4 In the illustrated embodiment, the first locking member 34 includes a nut 341 and a washer 342, and the fixing rod 33 is provided with an external thread. The nut 341 and the washer 342 are both sleeved on the fixing rod 33, and the washer 342 is located between the nut 341 and the slider 32. When the relative position of the first frame 121 and the second frame 122 needs to be fixed, the washer 342 is abutted against the outer wall surface of the side panel 12 by tightening the nut 341, and the slider 32 is locked in the chute 31 by using the friction between the washer 342 and the side panel 12, so as to avoid relative sliding between the first frame 121 and the second frame 122. In other embodiments, the first locking member 34 may also include only the nut 341. At this time, the size of the nut 341 is large enough, and the slider 32 is locked in the chute 31 by directly using part of the outer wall surface of the nut 341 to abut against the outer wall surface of the side panel 12, so as to avoid relative sliding between the first frame 121 and the second frame 122.

[0074] Reference Figure 5 , Figure 5 for Figure 3 A partial structural schematic diagram of the cabinet door 100 is shown. In some embodiments, the cabinet door 100 further includes: a blind plate 41, which is movably connected between the first side plate 1221 and the second side plate 1222 to open or close the air outlet 111. Exemplarily, the shape of the blind plate 41 is consistent with the air outlet 111. It is understandable that in the case where the air outlet 111 can be closed, the shape of the blind plate 41 can also be inconsistent with the air outlet 111. In this way, the size of the air outlet 111 can be adjusted by the blind plate 41, thereby adjusting the air intake of the air outlet 111.

[0075] The combined use method of the air duct 2, the air outlet hole 111 and the blind plate 41 is as follows: when the air duct 2 needs to be replaced or assembled, the air outlet hole 111 is first fully opened using the blind plate 41, and then the air duct 2 is taken out for replacement or assembled in the air outlet hole 111. When the blind plate 41 needs to be rotated, the end of the air duct 2 close to the accommodating space 14 is completely in the air outlet hole 111.

[0076] Further, see Figure 5 Combined with Figure 6 ,in, Figure 6 for Figure 5 The schematic diagram of the assembly of the blind plate 41 and the first side plate 1221 in the cabinet door 100 is shown. In some embodiments, a first rotating structure 42 is provided on the first side plate 1221, a first rotating part 43 is provided on the blind plate 41, and the first rotating structure 42 is rotatably connected to the first rotating part 43; a second rotating structure 44 is provided on the second side plate 1222, a second rotating part 45 is provided on the blind plate 41, and the second rotating structure 44 is rotatably connected to the second rotating part 45. In this way, the size of the air outlet 111 can be adjusted by adjusting the rotation angle of the blind plate 41, and then the air intake of the air outlet 111 can be adjusted. In other embodiments, the blind plate 41 can also be connected between the first side plate 1221 and the second side plate 1222 through a lifting structure, and the size of the air outlet 111 can be adjusted by adjusting the height of the blind plate 41, and then the air intake of the air outlet 111 can be adjusted. In some other embodiments, the blind plate 41 can also be connected between the first side plate 1221 and the second side plate 1222 through a plug-in structure.

[0077] Further, see Figure 6 Combined with Figure 7 ,in, Figure 7 for Figure 5 The diagram shows the assembly of the first side plate 1221 and the first wall plate 11 in the cabinet door 100. In some embodiments, the first rotating structure 42 includes an arc groove 421 and a first rotating hole 422, and the center O of the arc groove 421 coincides with the center of the first rotating hole 422.

[0078] For example, in Figure 6 In the illustrated embodiment, the arc-shaped slot 421 is located above the first rotation hole 422. It is understandable that in other embodiments, the arc-shaped slot 421 may also be located below the first rotation hole 422.

[0079] The central angle M of the arc groove 421 is determined according to actual needs. Exemplarily, the central angle M of the arc groove 421 is 90°. Specifically, when the first rotating rod 431 slides to the end of the arc groove 421 away from the first wall plate 11, the blind plate 41 is in a horizontal state, and the air outlet 111 is fully opened. When the first rotating rod 431 slides to the end of the arc groove 421 close to the first wall plate 11, the blind plate 41 is in a vertical state, and the air outlet 111 is closed. It can be understood that in other embodiments, the central angle M of the arc groove 421 can also be 45°, 60°, 70°, 80°, etc.

[0080] Reference Figure 6 The first rotating part 43 includes a first rotating rod 431 and a second rotating rod 432. The first rotating rod 431 is slidably inserted in the arc groove 421, and the second rotating rod 432 is rotatably inserted in the first rotating hole 422. In this way, when the blind plate 41 rotates, the blind plate 41 can be guided by the cooperation of the arc groove 421 and the first rotating rod 431, which can improve the stability of the blind plate 41 during the rotation process.

[0081] In other embodiments, the first rotating structure 42 may also include only the first rotating hole 422 . The first rotating portion 43 includes only the second rotating rod 432 , and the second rotating rod 432 is rotatably inserted in the first rotating hole 422 .

[0082] Reference Figure 6 The second rotating structure 44 is a second rotating hole, and the second rotating part 45 is a third rotating rod, which is rotatably inserted into the second rotating hole. Of course, it can be understood that in other embodiments, the second rotating structure 44 can also be designed with reference to the first rotating hole 422 and the arc groove 421 of the first rotating structure 42, and the second rotating part 45 can also be designed with reference to the first rotating rod 431 and the second rotating rod 432 of the first rotating part 43, which will not be repeated here.

[0083] Further, see Figure 6 , the arc groove 421 passes through the first side plate 1221. In order to facilitate fixing the rotation angle of the blind plate 41, in some embodiments, the end of the first rotating rod 431 away from the blind plate 41 is sleeved with a second locking member 46, and the second locking member 46 is used to abut against the outer wall surface of the first side plate 1221. In this way, the first rotating rod 431 can be locked in the arc groove 421 by making the second locking member 46 abut against the outer wall surface of the first side plate 1221 and utilizing the friction between the second locking member 46 and the first side plate 1221, so that the blind plate 41 is fixed at a suitable angle.

[0084] The cooperation between the second locking member 46 and the first rotating rod 431 can be designed with reference to the cooperation between the first locking member 34 and the fixed rod 33, which will not be described in detail here. In other embodiments, the arc groove 421 may not penetrate the first side plate 1221, and a damping member is provided between the arc groove 421 and the first rotating rod 431, so that the first rotating rod 431 is fixed in a suitable position by using a damping force. Specifically, the damping member can be a rubber member, a latex member, etc.

[0085] Further, in order to prevent the gap between the blind plate 41 and the air outlet 111 from causing air leakage. In some embodiments, a sealing gasket is provided on the blind plate 41 and / or the air outlet 111. That is, the sealing gasket can be provided only on the blind plate 41, or only on the air outlet 111, or both on the blind plate 41 and the air outlet 111. Exemplarily, the sealing gasket can be a high-density sponge, a rubber pad, an asbestos rubber sheet, etc. Further, in some embodiments, the sealing gasket is 10 mm long and 5 mm wide.

[0086] Reference Figure 8 , Figure 8 for Figure 5 The front view of the cabinet door 100 is shown. Figure 8 The front view shown in is a schematic diagram of looking at the first wall plate 11 from the end of the first side plate 1221 away from the first wall plate 11. There are multiple air outlet holes 111 and blind plates 41, and the multiple air outlet holes 111 are arranged at intervals in the height direction of the first wall plate 11, and the height direction of the first wall plate 11 is the same as the Z-axis direction. The multiple blind plates 41 correspond to the multiple air outlet holes 111 one by one. It should be noted that the number of air outlet holes 111 is determined according to actual needs and is not limited here.

[0087] In this way, the air outlet position of the cabinet door 100 can be adjusted by opening or closing the blind panels 41 at different heights, so that the cabinet door 100 only delivers cold air to the position where the communication device 62 is configured in the cabinet 200, thereby avoiding waste of cold air and achieving energy saving and consumption reduction. Specifically, the blind panels 41 are used to close the air outlet holes 111 corresponding to non-energy-consuming devices such as DDF and ODF and no equipment.

[0088] It is understandable that when there are multiple air outlet holes 111, the number of air ducts 2 can also be multiple, the number of multiple air ducts 2 can be less than the number of air outlet holes 111, or can be equal to the number of air outlet holes 111. When the number of air ducts 2 is the same as the number of air outlet holes 111, the multiple air ducts 2 correspond one-to-one to the multiple air outlet holes 111.

[0089] For example, in Figure 8In the illustrated embodiment, there are multiple air outlet holes 111 of different sizes among the multiple air outlet holes 111. Exemplarily, there are two air outlet holes 111 of different sizes among the multiple air outlet holes 111. The air outlet holes 111 of the two sizes are arranged alternately.

[0090] Reference Figure 8 In some embodiments, the distance L1 between two adjacent air outlet holes 111 is 5 mm. In this way, the rigidity of the first wall plate 11 can be ensured.

[0091] In some embodiments, the first side panel 1221 and / or the second side panel 1222 are transparent parts. That is, only the first side panel 1221 may be a transparent part, only the second side panel 1222 may be a transparent part, or both the first side panel 1221 and the second side panel 1222 may be transparent parts. Exemplarily, the transparent part may be a polypropylene part, a polystyrene part, an acrylic part, etc. In this way, it is convenient to observe the state of the blind plate 41 in the door body 1. Further, in order to more conveniently observe the state of the blind plate 41 in the door body 1, the first frame 121 and the cover body 13 may also be transparent parts.

[0092] In some embodiments, the blind plate 41 is a transparent member. Exemplarily, the blind plate 41 is a polypropylene member, a polystyrene member, or an acrylic member. In this way, it is convenient to observe whether the air outlet 111 corresponding to the blind plate 41 is equipped with the air guide 2.

[0093] Reference Fig. 9 , Fig. 9 for Figure 3 An enlarged view of the cabinet door 100 in the area B is shown. In some embodiments, the cabinet door 100 further includes: a support member 5, and the support member 5 is connected to the first wall panel 11. The support member 5 and the first wall panel 11 can be connected by screw fixing, welding, bonding, etc. The support member 5 includes a first supporting surface 511, and at least part of the outer wall surface of the air duct 2 is supported on the first supporting surface 511. It should be noted that the number of support members 5 can be one or more, and the specific number depends on actual needs. In this way, the supported area of ​​the air duct 2 can be increased, so that the air duct 2 can be stably assembled in the air outlet 111.

[0094] Reference Fig. 9 Combined with Fig.10 ,in, Fig.10 for Figure 3The schematic diagram of the assembly of the support member 5 and the air outlet 111 in the cabinet door 100 is shown. In some embodiments, the inner wall surface of the air outlet 111 includes a second support surface 1111, and part of the outer wall surface of the air guide 2 is supported on the second support surface 1111. A groove 1112 is provided on the second support surface 1111, and the groove 1112 passes through the first surface 113 of the first wall plate 11. The groove 1112 includes a groove bottom wall 11121, and the direction of the groove bottom wall 11121 is the same as that of the second support surface 1111. The second support surface 1111 is coplanar with the first support surface 511, and the support member 5 is supported on the groove bottom wall 11121. In this way, part of the outer wall surface of the guide tube 2 can be supported on the same plane or curved surface, so that the air guide 2 can be more stably assembled in the air outlet 111.

[0095] Reference Fig. 9 In some embodiments, the air duct 2 includes a first wall surface 21 and a second wall surface 22 adjacent to each other, and the first wall surface 21 is supported on a first support surface 511; the support member 5 includes a support plate 51 and a guide plate 52, and the first support surface 511 is located on the support plate 51. The guide plate 52 is connected to the support plate 51. The guide plate 52 and the support plate 51 can be connected by welding, clamping, screw fixing, etc. Or the guide plate 52 and the support plate 51 are integrally formed.

[0096] For example, in Fig. 9 In the illustrated embodiment, the guide plate 52 is perpendicular to the support plate 51 , that is, the support member 5 is L-shaped. It is understandable that in other embodiments, the guide plate 52 may not be perpendicular to the support plate 51 .

[0097] The guide plate 52 includes a guide surface 521, and the guide surface 521 is opposite to the second wall surface 22. In this way, when the air duct 2 is assembled, the air duct 2 can be guided by the guide surface 521, making it more convenient to assemble the air duct 2. Fig. 9 In the illustrated embodiment, there is a gap between the guide surface 521 and the second wall surface 22. It is understandable that in other embodiments, the guide surface 521 may also abut against the second wall surface 22.

[0098] On the basis of the above embodiment, the air duct 2 further includes a third wall surface 23, which is arranged opposite to the first wall surface 21; in order to better guide the air duct 2, the first support surface 511 can also be coplanar with the third wall surface 23, and the guide surface 521 is opposite to the second wall surface 22. For example, refer to Fig.10 , the number of the support members 5 is 4. The 4 support members 5 are arranged at the four corners of the air outlet 111.

[0099] In other embodiments, the support member 5 may also include only the support plate 51 without including the guide plate 52. In this case, the support member 5 may be a rectangular plate, an arc-shaped plate, or the like.

[0100] In some embodiments, the cabinet body 61 includes an opening, and one side of the first wall plate 11 of the cabinet door 100 is rotatably mounted on the cabinet body 61 for opening or closing the opening.

[0101] Exemplarily, in some embodiments, the cabinet door 100 is rotatably mounted on the cabinet body 61 via a pin hinge. In this way, the entire cabinet door 100 can be removed after unplugging the pin of the pin hinge, which is convenient for replacing the communication device 62 in the cabinet body 61 and repairing the interior of the cabinet body 61.

[0102] Further, refer to Fig.11 , Fig.11 for Figure 3 The rear view of the first wall plate 11 of the cabinet door 100 is shown. Fig.11 The rear view shown in the figure is a schematic diagram of looking at the first wall plate 11 from the direction of the first surface 113 facing the cabinet 100. The side of the first wall plate 11 close to the rotational fit between the cabinet door 100 and the cabinet body 61 is the first side surface 112, and the distance L2 between the first side surface 112 and the air outlet 111 is 50 mm. In this way, it is convenient for the cabinet door 100 to open or close the opening.

[0103] The present application also provides a cooling system 300, referring to Fig.12 , Fig.12 The schematic diagram of the structure of the cooling system 300 provided in some embodiments of the present application. The cooling system 300 includes: a refrigeration device 71, an air supply pipe 72, and a cabinet 200, wherein the refrigeration device 71 includes a cold air outlet 711; the air supply pipe 72 includes an inlet 721 and an outlet 722, and the inlet 721 is connected to the cold air outlet 711; the cabinet 200 is the cabinet 200 described in any of the above technical solutions, and the air inlet 15 of the door body 1 is connected to the outlet 722.

[0104] In this way, the cold air output by the refrigeration device 71 can be directly transmitted to the cabinet door 100 through the air supply duct 72, and then the cold air is directly delivered into the cabinet body 61 from the air outlet 111 of the cabinet door 100 to dissipate the heat of the communication equipment 62, thereby improving the cooling efficiency of the refrigeration device 71 and further improving the heat dissipation efficiency of the communication equipment 62.

[0105] In some embodiments, the refrigeration device 71 can be a single air conditioning system or multiple air conditioning systems, and the number of air conditioning systems depends on actual needs. Exemplarily, the refrigeration device 71 includes two air conditioning systems. It is understandable that the refrigeration device 71 can also include three, four, etc. air conditioning systems.

[0106] Reference Fig.12 In some embodiments, a static pressure box 73 is installed between the refrigeration device 71 and the air supply pipe 72. In this way, the cooling system 300 can reduce dynamic pressure, increase static pressure, and reduce air flow vibration.

[0107] Reference Fig.12 In some embodiments, the air supply pipe 72 includes a main branch pipe 723 and multiple branch pipes 724, and the multiple branch pipes 724 are all connected to the main branch pipe 723. In this way, the cooling system 300 can provide cooling to multiple cabinets 200 at the same time through the multiple branch pipes 724, thereby improving the practicality of the cooling system 300. It should be noted that the cooling system 300 can provide cooling to several cabinets 200 at the same time, which can be determined according to the cooling power of the refrigeration device 71 and the cooling capacity required by each cabinet 200.

[0108] Reference Fig.12 In some embodiments, the outlet 722 of the air supply pipe 72 is connected to the air inlet 15 of the door body 1 through the canvas soft connection device 74. In this way, the outlet 722 of the air supply pipe 72 can be connected to air inlets 15 of different sizes, which can improve the versatility of the air supply pipe 72.

[0109] Reference Fig.12 In some embodiments, the cooling system 300 further includes a pressure gauge 75, which is used to measure the pressure of the cold air in the cabinet door 100. Exemplarily, the pressure gauge 75 is installed on the cover 13. It is understood that in other embodiments, the pressure gauge 75 can also be installed on the side panel 12, the first wall panel 11, etc.

[0110] In this way, it is convenient to know whether the cold air pressure in the cabinet door 100 is within a suitable range. Specifically, if the cold air pressure is positive, the cold air pressure can be reduced by increasing the number of cabinets 200 and / or increasing the volume of the cabinet door 100, so that the cold air pressure is maintained within a suitable range. Specifically, when the positive pressure is too large, the cold air pressure can be reduced by increasing the number of cabinets 200, and when the positive pressure value is small, the cold air pressure can be reduced by increasing the volume of the cabinet door 100.

[0111] If the cold air pressure is negative, the cold air pressure can be increased by reducing the number of cabinets 200 and / or reducing the volume of the cabinet door 100 to maintain the cold air pressure within a suitable range. Specifically, when the negative pressure is too large, the cold air pressure can be reduced by reducing the number of cabinets 200, and when the negative pressure value is small, the cold air pressure can be reduced by reducing the volume of the cabinet door 100.

[0112] On the basis of the above embodiment, the pressure gauge 75 includes a buzzer, and when the pressure of the cold air in the cabinet door 100 is not within a reasonable range, the buzzer will alarm. In this way, it is helpful for the staff to know whether there is an abnormality in the cold air pressure in time.

[0113] Furthermore, the pressure gauge 75 also includes an RS485 networking communication interface, and the pressure gauge 75 is connected to the power environment monitoring system through the RS485 networking communication interface. In this way, the pressure gauge 75 can send the measured pressure value to the power environment monitoring system to realize network management monitoring of the state of the cabinet 200.

[0114] Reference Fig.12 In some embodiments, the cooling system 300 further includes a thermometer and hygrometer 76, which is used to measure the temperature and humidity of the cold air in the cabinet door 100. Exemplarily, the thermometer and hygrometer 76 is installed on the cover 13. It is understood that in other embodiments, the thermometer and hygrometer 76 can also be installed on the side panel 12, the first wall panel 11, etc.

[0115] In this way, it is convenient to know whether the temperature and humidity of the cold air in the cabinet door 100 are within a suitable range. Specifically, if the temperature and humidity are too high, the temperature and humidity setting values ​​of the refrigeration device 71 are appropriately lowered. If the temperature and humidity are too low, the temperature and humidity setting values ​​of the refrigeration device 71 are appropriately increased.

[0116] Reference Fig.12 In some embodiments, a pressure relief port 725 is provided on the air supply pipe 72. The specific location of the pressure relief port 725 is determined according to actual needs. For example, the pressure relief port 725 can be provided on the main branch pipe 723 or on the branch pipe 724. Fig.12 In the embodiment, the pressure relief port 725 is disposed at one end of the main branch pipe 723 away from the refrigeration device 71. The cooling system 300 further includes a positive pressure protection device 77, which is installed at the pressure relief port 725 and is used to open or close the pressure relief port 725.

[0117] Further, refer to Fig.13 , Fig.13 for Fig.12 The schematic diagram of the assembly of the positive pressure protection device 77 and the air supply pipe 72 in the cooling system 300 is shown. The positive pressure protection device 77 includes: a pressure relief plate 771 and an elastic member 772. The pressure relief plate 771 is rotatably connected to the air supply pipe 72 to open or close the pressure relief port 725. It should be noted that: under normal conditions, the pressure relief plate 771 closes the pressure relief port 725. The pressure relief plate 771 and the air supply pipe 72 can be rotatably connected through structures such as hinges, rotating shafts, and hinges.

[0118] Reference Fig.13 The elastic member 772 is connected between the pressure relief plate 771 and the air supply pipe 72, and the elastic member 772 is used to apply a force to the pressure relief plate 771 toward the pressure relief port 725. For example, the elastic member 772 includes but is not limited to a spring and a rubber column. The number of the elastic member 772 can be one or more. For example, in Fig.13In the illustrated embodiment, the number of the elastic members 772 is 2. It is understandable that in other embodiments, the number of the elastic members 772 may also be 1, 3, and so on.

[0119] In this way, when the pressure of the cold air in the air supply pipe 72 is in a positive pressure state, the cold air will exert a force (hereinafter referred to as the first force) on the pressure relief plate 771 away from the pressure relief port 725, causing the pressure relief plate 771 to rotate in a direction away from the pressure relief port 725, and opening the pressure relief port 725. At this time, the elastic member 772 will be stretched, exerting a force (hereinafter referred to as the second force) on the pressure relief plate 771 toward the pressure relief port 725. The second force and the first force offset each other, so that the pressure relief plate 771 is maintained at a certain opening angle. In this way, on the one hand, the cold air in the air supply pipe 72 can be kept at a suitable pressure, avoiding excessive impact of the cold air on the communication equipment 62 due to excessive pressure of the cold air transported into the cabinet 61, resulting in damage to the communication equipment 62, for example: causing damage to the cooling fan of the communication equipment 62; on the other hand, the cold air discharged from the pressure relief port 725 can cool the environment of the computer room, and can also be re-inhaled by the air conditioner fan for cooling.

[0120] For example, in Fig.13 In the illustrated embodiment, both ends of the elastic member 772 are connected to the pressure relief plate 771 and the air supply pipe 72 through the fixing block 773. Specifically, hooks 7721 are provided at both ends of the elastic member 772, and a limiting groove 7731 is provided on the fixing block 773, and the hook 7721 is hung on the limiting groove 7731. In other embodiments, the elastic member 772 and the pressure relief plate 771 can be connected by screw fixing, welding, etc. The connection method between the elastic member 772 and the air supply pipe 72 can be designed with reference to the connection method between the elastic member 772 and the pressure relief plate 771, and will not be repeated here.

[0121] For example, in Fig.13 In the illustrated embodiment, one end of the elastic member 772 is connected to the inner wall surface of the air supply pipe 72, and the other end is connected to the surface of the pressure relief plate 771 facing the pressure relief port 725. It is understandable that in other embodiments, one end of the elastic member 772 may also be connected to the outer wall surface of the air supply pipe 72, and the other end may also be connected to the side wall surface of the pressure relief plate 771 or the surface of the pressure relief plate 771 facing away from the pressure relief port 725.

[0122] In other embodiments, the positive pressure protection device 77 may also be a pressure relief valve.

[0123] To sum up, the cabinet door 100, the cabinet 200 and the cooling system 300 in some embodiments of the present application can shorten the distance between the air outlet 24 of the air duct 2 and the communication equipment 62 in the cabinet 200, which is beneficial for the cold air to directly dissipate the heat of the communication equipment 62, and can improve the heat dissipation efficiency of the communication equipment 62.

[0124] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0125] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A cabinet door, characterized in that: include: A door body, wherein the door body has a storage space, an air inlet is arranged on the door body, and the door body comprises: a first wall plate, an air outlet is opened on the first wall plate, and the air inlet and the air outlet are both connected to the storage space; the first wall plate also comprises a first surface away from the storage space; An air guide duct is arranged in the air outlet, and at least a part of the air guide duct is located on the side facing the first surface.

2. The cabinet door according to claim 1, characterized in that: The door body also includes a cover body, the cover body being arranged opposite to the first wall plate; A side panel, the side panel comprising: a first frame and a second frame, the first frame being connected to the cover, the second frame being connected to the first wall; the first frame being sleeved on the second frame, or the second frame being sleeved on the first frame, the cover, the first frame, the second frame and the first wall defining the accommodation space; The first frame body is slidably connected to the second frame body so that the cover body can move in a direction close to or away from the first wall plate.

3. The cabinet door according to claim 2, characterized in that: A slide groove is provided on one of the first frame body and the second frame body, and a sliding block is provided on the other frame body. The sliding block is slidably matched with the slide groove.

4. The cabinet door according to claim 3, characterized in that: The slider includes a first outer surface facing away from the accommodation space; the cabinet door also includes: A fixing rod, one end of which is fixedly connected to the first outer surface, and the other end of which is located outside the slide groove; A first locking member is sleeved on the fixing rod and is used to abut against the outer wall surface of the side panel to lock the sliding block in the sliding groove.

5. The cabinet door according to any one of claims 1 to 4, characterized in that: The door body further comprises a first side plate and a second side plate which are arranged opposite to each other, wherein the first side plate and the second side plate are both connected to the first wall plate; The cabinet door further includes a blind plate, which is movably connected between the first side plate and the second side plate to open or close the air outlet.

6. The cabinet door according to claim 5, characterized in that: The first side plate is provided with a first rotating structure, the blind plate is provided with a first rotating part, and the first rotating structure is rotatably connected to the first rotating part; The second side plate is provided with a second rotating structure, the blind plate is provided with a second rotating part, and the second rotating structure is rotatably connected to the second rotating part.

7. The cabinet door according to claim 6, characterized in that: The first rotating structure includes an arc groove and a first rotating hole, and the center of the arc groove coincides with the center of the first rotating hole; the first rotating part includes a first rotating rod and a second rotating rod, the first rotating rod can be slidably inserted in the arc groove, and the second rotating rod can be rotatably inserted in the first rotating hole.

8. The cabinet door according to claim 5, characterized in that: There are multiple air outlet holes and multiple blind plates, and the multiple air outlet holes are arranged at intervals in the height direction of the first wall plate. The multiple blind plates correspond to the multiple air outlet holes one by one.

9. The cabinet door according to any one of claims 1 to 4, characterized in that: Also includes: A support member, wherein the support member is connected to the first wall panel, and the support member comprises a first support surface, and at least a portion of the outer wall surface of the air guide duct is supported on the first support surface.

10. The cabinet door according to claim 9, characterized in that: The inner wall surface of the air outlet includes a second supporting surface, and part of the outer wall surface of the air duct is supported on the second supporting surface. A groove is provided on the second supporting surface, and the groove passes through the outer wall surface of the first wall panel. The groove includes a groove bottom wall, and the orientation of the groove bottom wall is the same as that of the second supporting surface. The groove bottom wall is coplanar with the second supporting surface, and the support member is supported on the groove bottom wall.

11. The cabinet door according to claim 9, characterized in that: The air guide duct comprises a first wall surface and a second wall surface adjacent to each other, and the first wall surface is supported on the first supporting surface; The support member includes a support plate and a guide plate, the first support surface is located on the support plate, the guide plate is connected to the support plate, the guide plate includes a guide surface, and the guide surface is opposite to the second wall surface.

12. A cabinet, characterized in that: include: Cabinet; A cabinet door, wherein the cabinet door is arranged on the cabinet body, and the cabinet door is the cabinet door described in any one of claims 1-11.

13. The cabinet according to claim 12, characterized in that: An air outlet is provided at one end of the air guide duct away from the first wall plate; The cabinet further includes: a communication device, the communication device is installed inside the cabinet, the communication device includes a second surface, the second surface is arranged opposite to the air outlet, and the minimum distance between the air outlet and the second surface is less than or equal to 5 cm.

14. A cooling system, characterized in that: include: A refrigeration device, the refrigeration device comprising a cold air output port; An air supply pipe, the air supply pipe comprising an inlet and an outlet, the inlet being connected to the cold air outlet; The cabinet is the cabinet according to claim 12 or 13, and the air inlet of the door body is connected to the outlet.

15. The cooling system according to claim 14, characterized in that A pressure relief port is provided on the air supply pipe, and the cooling system further includes: a positive pressure protection device, the positive pressure protection device includes a pressure relief plate and an elastic member, the pressure relief plate is rotatably connected to the air supply pipe to open or close the pressure relief port; the elastic member is connected between the pressure relief plate and the air supply pipe, and the elastic member is used to apply a force to the pressure relief plate toward the pressure relief port.

Images