Cabinet and power supply cabinet

Abstract

The utility model discloses a cabinet and a power supply cabinet, and relates to the technical field of power supply cabinets, the cabinet comprises a frame, a beam body and a plurality of door bodies, two opposite side frames on the frame are respectively provided with a mounting seat, and the door bodies are arranged on the mounting seats. The two installation seats are oppositely arranged on the side portions of the frame of the frame in a protruding mode, the two ends of the beam body are detachably connected to the outward sides of the two installation seats respectively, the two sides of the beam body are each provided with an opening and closing position, one door body is arranged corresponding to one opening and closing position in an opening and closing mode, and after the door bodies are closed, the door bodies can be opened and closed. And a first sealing piece is matched with the beam body and the frame in a sealing manner. The technical scheme provided by the utility model aims to facilitate the assembly and maintenance of the power supply and related modules.

Description

Technical Field

[0001] This application relates to the technical field of power cabinets, and particularly relates to a cabinet and a power cabinet. Background Art

[0002] A cabinet is a device for installing a power supply. On the one hand, as the requirement for the power of the power supply becomes higher and higher, the volume of the power supply itself inevitably gradually increases; on the other hand, with the rapid progress of technology, the process of modularization and integration is accelerating continuously, and the highly integrated modules also have a greater requirement for the installation space. The single-door form of the cabinet requires a large opening space for opening and closing the door, which is very inconvenient, while the multi-door form of the cabinet will be provided with vertical beams between adjacent door bodies, which greatly affects the entry and exit of large-volume modules. Summary of the Utility Model

[0003] The main purpose of this application is to propose a cabinet and a power cabinet, aiming to facilitate the assembly and maintenance of the power supply and related modules.

[0004] To achieve the above object, the cabinet proposed by this application includes:

[0005] A frame, on each of the two opposite side frames of the frame, an installation seat is provided, and the two installation seats protrude relatively from the side part of the frame of the frame;

[0006] A beam body, the two end parts of the beam body are respectively detachably connected to the outer sides of the two installation seats, and an opening and closing position is formed on each of the two sides of the beam body; and

[0007] A plurality of door bodies, one door body is provided to be openable and closable corresponding to one opening and closing position, and after the door body is closed, it is hermetically fitted to the beam body and the frame through a first sealing member.

[0008] In an embodiment, the installation seat forms a clamping space, the end part of the beam body is clamped in the clamping space, and is detachably connected to the installation seat through a fastener.

[0009] In an embodiment, the two end parts of the beam body are respectively an upper end part and a lower end part, the two installation seats correspond to the upper end part and the lower end part as an upper installation seat and a lower installation seat respectively, the width of the upper end part gradually decreases in the direction from bottom to top, and a limiting convex part is provided on the side of the lower end part facing the inside of the cabinet, and the limiting convex part is in limiting fit with the upper part of the lower installation seat.

[0010] In an embodiment, a second sealing member is fixed in the clamping space of the upper installation seat, and the second sealing member is hermetically fitted to the periphery of the upper end part.

[0011] In one embodiment, the beam body includes a first wall body and a second wall body that are opposite in the inner and outer directions of the cabinet. The first wall body and the second wall body are connected as a whole below the upper end portion. The upper end portion is provided with an end top wall and two relatively distributed end side walls. The end side walls and the end top wall are both connected to the first wall body and are bent toward the second wall body. The circumferences of the end side walls and the end top wall are both abutted against adjacent wall structures.

[0012] In one embodiment, the two side portions of the upper end portion that are opposite in the width direction are arranged at an included angle, and the included angle is 0 to 20 degrees.

[0013] In one embodiment, the lower end portion has a clearance fit with the lower mounting seat within the engaging space.

[0014] In one embodiment, the lower side of the lower end portion is an open structure.

[0015] In one embodiment, the fastener includes a bolt and a waterproof nut.

[0016] In one embodiment, the shape of the engaging space is adapted to the shape of the end portion of the beam body.

[0017] In one embodiment, the frame is provided with a clearance position corresponding to the mounting seat, and the mounting seat is fixed to the clearance position by welding.

[0018] In one embodiment, the first seal is adhesively fixed to the periphery of the door body.

[0019] In one embodiment, the frame is convexly provided with a flanging corresponding to the first seal. The flanging has a first abutting plane. After the door body is closed, the first abutting plane is disposed opposite to the door body and abuts against the first seal.

[0020] In one embodiment, the beam body has a second abutting plane. After the door body is closed, the second abutting plane is disposed opposite to the door body and abuts against the first seal.

[0021] In one embodiment, the beam body forms two spaced second abutting planes. One second abutting plane corresponds to one side of the door body. The beam body is a hollow structure, and the gap between the two second abutting planes communicates with the internal space of the beam body.

[0022] The present application also provides a power cabinet, including a power supply and the foregoing cabinet, and the power supply is installed in the cabinet.

[0023] In one embodiment, the power supply is configured as a hydrogen production power supply.

[0024] In the technical solution of this application, when assembling or maintaining the components inside the cabinet, the beam can be removed from the frame. Since the end of the beam is detachably connected to the outer side of the mounting seat, when the beam is taken out, the beam will not be interfered by the mounting seat, which facilitates the operator to disassemble the beam. After removing the beam, sufficient access space can be left on the side where the door opens and closes, and at the same time, sufficient operating space can be left for the operator, which facilitates the access of the power supply and related modules and the operator to perform maintenance or replacement operations. After the power supply and related modules are assembled, the two ends of the beam are respectively connected to the outer sides of the two mounting seats correspondingly, and the beam can be reinstalled on the frame. The operation is very convenient. Moreover, the mounting seat can provide a sufficiently large mounting area for the end of the beam, which is beneficial to improving the mounting stability of the beam. At the same time, it is convenient to control the beam to be flush with the outer side of the frame, which is convenient for the two to be hermetically matched with the door. After the door is closed, it can be hermetically matched with the beam and the frame to play a role in waterproofing and dustproofing, so as to provide a good operating environment for the components inside the cabinet and ensure the working performance of the power supply. In addition, due to the multi-door form, the area and weight of a single door are greatly reduced, which greatly reduces the processing difficulty. At the same time, the failure of the door caused by its weight can be weakened, which is beneficial to ensuring the structural stability of the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0026] Figure 1 External structure schematic diagram of an embodiment of the cabinet provided by the present application;

[0027] Figure 2 Assembly structure schematic diagram of an embodiment of the outer side of the frame and the mounting seat of the cabinet provided by the present application;

[0028] Figure 3 Structure schematic diagram of an embodiment of the inner side of the door of the cabinet provided by the present application;

[0029] Figure 4 Structure schematic diagram of an embodiment of the outer side of the beam of the cabinet provided by the present application;

[0030] Figure 5 For Figure 4 Partial structure schematic diagram of the beam in

[0031] Figure 6 For Figure 5Schematic diagram of the local structure of the beam body on the inner side;

[0032] Figure 7 is Figure 4 Schematic diagram of the included angle at the upper end of the beam body in;

[0033] Figure 8 Schematic diagram of the assembly structure of one embodiment of the frame, beam body and door body of the cabinet provided by the present application on the inner side;

[0034] Figure 9 is Figure 8 Local enlarged view at position A in;

[0035] Figure 10 is Figure 9 Schematic diagram of the assembly structure of the structure in on the outer side;

[0036] Figure 11 is Figure 8 Local enlarged view at position B in;

[0037] Figure 12 is Figure 11 Schematic diagram of the assembly structure of the structure in on the outer side;

[0038] Figure 13 Schematic diagram of the state during the assembly process of the beam body and the frame of the cabinet provided by the present application;

[0039] Figure 14 is Figure 13 Local structure enlarged view at position C in;

[0040] Figure 15 Schematic diagram of the state after the assembly of the beam body and the frame of the cabinet provided by the present application is completed.

[0041] Explanation of the reference numerals in the drawings:

[0042] 100, frame; 101, clearance position; 110, flanging; 111, first abutting plane; 200, beam body; 201, first wall body; 202, second wall body; 203, second abutting plane; 210, upper end; 211, end top wall; 212, end side wall; 220, lower end; 221, lower end; 300, door body; 400, mounting seat; 410, upper mounting seat; 420, lower mounting seat; 510, first seal; 520, second seal; 530, waterproof nut.

[0043] The realization of the purpose, functional features and advantages of the present application will be further described in conjunction with the embodiments with reference to the drawings. Detailed implementation manners

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts belong to the scope of protection of the present application.

[0045] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0046] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution where A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0047] The present application proposes a cabinet.

[0048] Please refer to Figures 1 to 4 and Figure 8 , in an embodiment of the present application, the cabinet includes:

[0049] A frame 100, with an installation seat 400 provided on each of the two opposite side frames of the frame 100, and the two installation seats 400 protruding relatively from the side portions of the frame 100 of the frame;

[0050] A beam body 200, with both ends of the beam body 200 detachably connected to the outer sides of the two installation seats 400 respectively, and an opening and closing position formed on each side of the beam body 200; and

[0051] A plurality of door bodies 300, with one door body 300 arranged to be openable and closable corresponding to one opening and closing position. After the door body 300 is closed, it is hermetically fitted to the beam body 200 and the frame 100 through a first sealing member 510.

[0052] It should be noted that the inside and outside directions mentioned in the present application are based on the cabinet as a reference. The outward side of the mounting base 400 refers to the side that is away from the internal space of the cabinet and faces the external environment. An opening and closing position is formed on each side of the length direction of the beam body 200. The two adjacent opening and closing positions of the beam body 200 are distributed along the width direction of the beam body 200. Multiple door bodies 300 refer to more than two door bodies 300, and a beam body 200 is correspondingly arranged between two adjacent door bodies 300 to provide support.

[0053] When assembling or maintaining the components inside the cabinet, the beam body 200 can be removed from the frame 100. Since the end of the beam body 200 is detachably connected to the outward side of the mounting seat 400, when the beam body 200 is taken out, the beam body 200 will not be interfered by the mounting seat 400, which can facilitate the operator to disassemble the beam body 200. After the beam body 200 is removed, sufficient inlet and outlet space can be reserved on the side where the door body 300 opens and closes, and sufficient operating space is reserved for the operator, which can facilitate the entry and exit of the power supply and related modules and the operator's maintenance or replacement operations. After the power supply and related modules are assembled, the two ends of the beam body 200 are respectively connected to the outward sides of the two mounting seats 400, and the beam body 200 can be reinstalled on the frame 100. The operation is very convenient, and the mounting seats 400 can provide a sufficiently large installation area for the ends of the beam body 200, which is beneficial to improving the installation stability of the beam body 200. At the same time, it is convenient to control the beam body 200 and the outward side of the frame 100 to be flush, so as to facilitate the sealing cooperation between the two and the door body 300.

[0054] After the door body 300 is closed, it can be sealed with the beam body 200 and the frame 100 to play a waterproof and dustproof role, so as to provide a good operating environment for the components in the cabinet to ensure the working performance of the power supply. In addition, due to the multi-door form, the area and weight of a single door body 300 are greatly reduced, which greatly reduces the difficulty of processing. At the same time, it can reduce the failure of the door body 300 due to weight reasons, which is conducive to ensuring the structural stability of the cabinet.

[0055] In one embodiment, please refer to Figure 3 , the first seal 510 is bonded and fixed to the periphery of the door body 300. In this way, the effective fixation of the first seal 510 can be ensured, and when the door body 300 is closed, the door body 300 can reliably achieve sealing cooperation with the beam body 200 or the frame 100 to ensure the sealing of the cabinet. Specifically, the first seal 510 is configured as a rubber strip. Of course, in other embodiments, the first seal 510 can also be fixed to the frame 100 and the beam body 200.

[0056] In one embodiment, please refer to Figure 9 , Figure 11 and Figure 14, the frame 100 is convexly provided with a flange 110 corresponding to the first seal 510. The flange 110 has a first abutting plane 111. After the door body 300 is closed, the first abutting plane 111 is arranged opposite to the door body 300 and abuts against the first seal 510. It can be understood that the first abutting plane 111 can provide a sufficiently large area and a relatively flat surface for the first seal 510 to abut against. In this way, the effective sealing between the door body 300 and the frame 100 can be realized, so as to further ensure the sealing performance of the cabinet.

[0057] In one embodiment, please refer to Figure 4 and Figure 5 , the beam body 200 has a second abutting plane 203. After the door body 300 is closed, the second abutting plane 203 is arranged opposite to the door body 300 and abuts against the first seal 510. It can be understood that the second abutting plane 203 can provide a sufficiently large area and a relatively flat surface for the first seal 510 to abut against, so that the first seal 510 can effectively seal the mating gap between the door body 300 and the beam body 200, thereby further ensuring the sealing performance of the cabinet.

[0058] In one embodiment, the beam body 200 is formed with two spaced second abutting planes 203. One second abutting plane 203 is arranged corresponding to one side of the door body 300. The beam body 200 is a hollow structure, and the gap between the two second abutting planes 203 communicates with the internal space of the beam body 200. It can be understood that on the opposite side of the second abutting plane 203, the beam body 200 should be a closed structure, and the beam body 200 is fixedly connected to the frame 100 on this side, which can ensure the connection stability between the beam body 200 and the frame 100; on the side where the second abutting plane 203 is located, the beam body 200 has an opening, which is beneficial to weight reduction and is also convenient for the processing and forming of the beam body 200. Of course, in other embodiments, it may also be that the beam body 200 forms only one second abutting plane 203 for the sealing cooperation of the door bodies 300 on both sides at the same time.

[0059] In one embodiment, please refer to Figure 9 , the frame 100 is provided with an avoidance position 101 corresponding to the mounting seat 400, and the mounting seat 400 is fixed to the avoidance position 101 by welding. The welding method can ensure the stable connection between the mounting seat 400 and the frame 100. The design of the avoidance position 101 can make the mounting seat 400 not protrude from the frame 100, so as to provide a flat surface for the first seal 510 of the door body 300 to cooperate. Of course, in other embodiments, it may also be that the mounting seat 400 is bolted to the frame 100.

[0060] In one embodiment, please refer to Figure 9 and Figure 11The mounting base 400 is formed with a clamping space, and the end of the beam body 200 is clamped in the clamping space and is detachably connected to the mounting base 400 through a fastener. Specifically, after the end of the beam body 200 is clamped into the clamping space, the end of the beam body 200 is locked to the mounting base 400 through a fastener, which is beneficial to ensuring the installation stability of the beam body 200 in the clamping space, thereby ensuring the connection stability between the beam body 200 and the frame 100. Specifically, the shape of the clamping space is adapted to the shape of the end of the beam body 200, so that the end of the beam body 200 and the clamping space can be conveniently aligned and clamped.

[0061] In one embodiment, please refer to Figure 10 , Figure 12 and Figure 14 , the fastener includes a bolt and a waterproof nut 530. The waterproof nut 530 is a special nut that can prevent moisture and other external substances from penetrating through the bolt or screw connection. The beam body 200 is locked to the mounting base 400 through the bolt and the waterproof nut 530, which can ensure the sealing performance of the beam body 200 and the mounting base 400 at the bolt penetration hole position, avoid water seepage, and is beneficial to further ensuring the sealing performance of the cabinet.

[0062] In one embodiment, please refer to Figures 9 to 12 , each mounting base 400 is provided with an avoidance opening on the side corresponding to the door body 300 and on the side facing the other mounting base 400. In this way, the wall bodies on the other sides of the mounting base 400 can provide sufficient support for the end of the beam body 200, and the avoidance openings at the two positions can provide sufficient avoidance space for the installation of the end of the beam body 200, which is beneficial to improving the convenience of installing the beam body 200.

[0063] In one embodiment, please refer to Figures 4 to 12 , the two end portions of the beam body 200 are respectively an upper end portion 210 and a lower end portion 220, and the two mounting bases 400 are respectively an upper mounting base 410 and a lower mounting base 420 corresponding to the upper end portion and the lower end portion. The width of the upper end portion 210 gradually decreases in the upward direction, and a limiting convex portion 221 is provided on the side of the lower end portion 220 facing the inside of the cabinet, and the limiting convex portion 221 is in limiting fit with the upper part of the lower mounting base 420. In this way, when installing the beam body 200, it can be installed obliquely as shown in Figure 13 . First, obliquely insert the upper end portion 210 of the beam body 200 into the upper mounting base 410 from the avoidance opening along the arrow. The shape of the upper end portion 210 can be conveniently aligned with the upper mounting base 410. During the insertion process, the shape of the upper end portion 210 can provide a good guiding effect, and it can be more labor-saving to insert the upper end portion 210 into the upper mounting base 410. After the upper end portion 210 is inserted into the upper mounting base 410 in place, then along Figure 15Push the beam body 200 in the direction of the arrow shown, so that the end of the beam body 200 can be inserted into the corresponding engaging space, and the limiting convex part 221 will correspondingly abut against the upper part of the lower mounting seat 420. Under the limiting action of the limiting convex part 221, the beam body 200 will not drop, and the through hole on the beam body 200 can be aligned with the through hole on the mounting seat 400, facilitating the bolt to pass through. Specifically, as Figure 7 shown, the two side parts on the opposite sides of the upper end part 210 in the width direction are arranged at an included angle α, and the included angle α is 0 to 20 degrees. In this way, the inclination angles on both sides of the upper end part 210 can facilitate and labor-savingly insert the upper end part 210 into the engaging space of the upper mounting seat 410.

[0064] In an embodiment, as Figure 9 shown, a second seal 520 is fixed in the engaging space of the upper mounting seat 410, and the second seal 520 is sealingly fitted to the circumferential side of the upper end part 210. In this way, the second seal 520 effectively seals the fitting gap between the upper mounting seat 410 and the upper end part 210 of the beam body 200, preventing the water from the upper part from extending into the interior of the cabinet here. And, since the shape of the upper mounting seat 410 is adapted to the shape of the upper end part 210 of the beam body 200, during the upward pushing process, the upper end part 210 of the beam body 200 and the seal in the upper mounting seat 410 are gradually and evenly pressed, making the contact between the two more uniform and the sealing effect more reliable. Specifically, the second seal 520 can be fixed to the upper mounting seat 410 by gluing or embedding.

[0065] In an embodiment, the beam body 200 includes a first wall body 201 and a second wall body 202 that are opposite in the inside-outside direction of the cabinet. The first wall body 201 and the second wall body 202 are connected as a whole below the upper end part 210. The upper end part 210 is provided with an end top wall 211 and two oppositely distributed end side walls 212. The end side walls 212 and the end top wall 211 are both connected to the first wall body 201 and are bent towards the second wall body 202. The circumferential sides of the end side walls 212 and the end top wall 211 are both abutted against the adjacent wall structures. In this way, the upper end part 210 can abut against the second seal 520 through the end top wall 211 and the end side walls 212, so as to provide a sufficient abutting area to ensure the stability of the sealing fit. Further, the lower side of the lower end part 220 is an open structure. In this way, the end top wall 211 and the end side walls 212 of the upper end part 210 are seamlessly fitted with the adjacent parts, which is beneficial to ensuring the structural stability of the upper end part 210. The structural form of the beam body 200 enables the beam body 200 to be processed by stamping. Specifically, corresponding structures are punched out at the corresponding positions of the plate to be processed corresponding to the upper end part 210 of the beam body 200, and then it can be stamped into shape. In this way, it is beneficial to improve the processing convenience of the beam body 200.

[0066] In one embodiment, as Figure 11 shown, the lower end portion 220 has a clearance fit with the lower mounting base 420 within the engaging space. Due to the action of gravity, water falling here will not penetrate into the interior of the cabinet. Instead of providing a seal between the lower end portion 220 and the lower mounting base 420, a clearance fit is adopted, which is beneficial to the disassembly and assembly of the beam body 200.

[0067] The present application also provides a power cabinet, which includes a cabinet and a power supply installed in the power mechanism. The specific structure of the cabinet refers to the above embodiments. Since this power cabinet adopts all the technical solutions of the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be elaborated here one by one. Among them, the power supply can be a hydrogen production power supply or other power supplies for power supply. The hydrogen production power supply is a special industrial power supply and is a connection conversion hub between various power supplies and electrolytic cells to provide appropriate voltage and current to promote the electrolysis process of water to generate hydrogen.

[0068] The above is only an exemplary embodiment of the present application and does not limit the patent scope of the present application. Any equivalent structural transformation made under the technical concept of the present application by using the content of the specification and drawings of the present application, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A cabinet, characterized in that: include: A frame, wherein two opposite frames of the frame are each provided with a mounting seat, and the two mounting seats are relatively protruded on the side of the frame of the frame; A beam body, wherein two ends of the beam body are detachably connected to the outward sides of the two mounting seats, and two sides of the beam body each form an opening and closing position; and A plurality of door bodies are provided, each door body being openable and closable corresponding to an opening and closing position. After the door body is closed, it is sealed and matched with the beam body and the frame through a first sealing member.

2. The cabinet according to claim 1, characterized in that: The mounting seat is formed with a clamping space, the end of the beam body is clamped in the clamping space, and is detachably connected to the mounting seat through a fastener.

3. The cabinet according to claim 2, characterized in that: The two ends of the beam body are respectively an upper end and a lower end, and the two mounting seats are respectively corresponding to the upper end and the lower end to form an upper mounting seat and a lower mounting seat, the width of the upper end gradually decreases in a bottom-up direction, and the lower end is provided with a limiting protrusion on the side facing the interior of the cabinet, and the limiting protrusion is limitedly matched with the upper part of the lower mounting seat.

4. The cabinet according to claim 3, characterized in that: A second sealing member is fixed in the engaging space of the upper mounting seat, and the second sealing member is sealingly matched with the peripheral side of the upper end portion; And / or, the beam body includes a first wall body and a second wall body opposite to each other in the inner and outer directions of the cabinet, the first wall body and the second wall body are connected as a whole below the upper end portion, the upper end portion is provided with an end top wall and two end side walls oppositely distributed in the width direction, the end side walls and the end top wall are both connected to the first wall body and bent toward the second wall body, and the peripheral sides of the end side walls and the end top wall are both in contact with adjacent wall structures; And / or, the two opposite sides of the upper end portion in the width direction are arranged at an angle, and the angle is 0 to 20 degrees; And / or, the lower end portion is clearance-matched with the lower mounting seat in the engagement space; And / or, the lower side of the lower end portion is an open structure.

5. The cabinet according to claim 2, characterized in that: The fasteners include bolts and waterproof nuts; And / or, the shape of the engagement space is adapted to the shape of the end portion of the beam body.

6. The cabinet according to claim 1, characterized in that: The frame is provided with a clearance position corresponding to the mounting seat, and the mounting seat is fixed to the clearance position by welding; And / or, the first sealing member is bonded and fixed to the periphery of the door body; And / or, the frame is provided with a flange protruding from the frame corresponding to the first sealing member, the flange having a first abutting plane, and after the door body is closed, the first abutting plane is arranged relative to the door body and abuts against the first sealing member.

7. The cabinet according to any one of claims 1 to 6, characterized in that: The beam body has a second abutting plane. After the door body is closed, the second abutting plane is arranged relative to the door body and abuts against the first sealing member.

8. The cabinet according to claim 7, characterized in that: The beam body is formed with two spaced-apart second abutment planes, one of the second abutment planes is arranged corresponding to the door body on one side, the beam body is a hollow structure, and the gap between the two second abutment planes is connected to the internal space of the beam body.

9. A power cabinet, characterized in that: It comprises a power supply and the cabinet according to any one of claims 1 to 8, wherein the power supply is installed in the cabinet.

10. The power cabinet according to claim 9, characterized in that: The power supply is configured as a hydrogen production power supply.

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