Explosion-proof pressure relief structure for energy storage cabinet

Abstract

The utility model relates to the technical field of energy storage cabinets, in particular to an anti-explosion pressure relief structure for an energy storage cabinet, which comprises a bottom plate, a pressure relief plate and a rebound assembly. An opening is formed in the inner side of the middle of the bottom plate; the pressure relief plate is movably arranged on the lower side of the bottom plate through a rebound assembly, at least part of the upper portion of the pressure relief plate penetrates through the opening, and the outer periphery of the upper portion of the pressure relief plate is in seamless connection with the inner wall of the opening. Compared with a pressure-relief explosion-proof valve, the explosion-proof pressure-relief structure has the advantages of being large in pressure-relief area, high in pressure-relief efficiency and the like.

Description

Technical Field

[0001] This utility model relates to the field of energy storage cabinet technology, specifically to an explosion-proof pressure relief structure for energy storage cabinets. Background Technology

[0002] With the increasing maturity of industrial and commercial energy storage technologies, the safety of energy storage cabinets has become a major concern. To ensure the normal operation of energy storage cabinets, existing cabinets must possess explosion-proof and pressure-relief capabilities. Common explosion-proof and pressure-relief measures for cabinets typically fall into two categories: one using explosion-proof valves, and the other using explosion-proof panels. Both explosion-proof valves and panels are installed separately, and their manufacturing and processing are complex, leading to high costs. Furthermore, in the event of thermal runaway in the cabinet, the relatively small pressure relief area of ​​the explosion-proof valve may prevent timely pressure release, posing a safety hazard. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an explosion-proof pressure relief structure for energy storage cabinets, which can improve the pressure relief area and pressure relief efficiency, thereby improving the safety performance of energy storage cabinets.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an explosion-proof pressure relief structure for an energy storage cabinet, comprising a base plate, a pressure relief plate, and a rebound assembly; an opening is provided on the inner side of the center of the base plate; the pressure relief plate is movably disposed on the underside of the base plate via the rebound assembly, wherein at least part of the upper part of the pressure relief plate penetrates through the opening and the outer periphery of the upper part of the pressure relief plate is seamlessly connected to the inner wall of the opening.

[0005] Preferably, the rebound assembly includes a spring; the spring is disposed between the base plate and the pressure relief plate.

[0006] Preferably, the pressure relief plate consists of a sealing plate and a support plate, with the support plate located at the lower end of the sealing plate.

[0007] Preferably, the rebound assembly further includes a stud and a bolt; the bolt is located at the lower end of the stud; the upper end of the stud is fixedly connected to the lower end of the base plate, and the lower part of the stud passes through the support plate and is slidably connected to the support plate; the spring is sleeved on the stud and located between the support plate and the bolt.

[0008] Preferably, there are multiple support plates; the multiple support plates are evenly distributed at the lower end of the sealing plate; there are several sets of rebound components; the multiple rebound components are evenly distributed on the multiple support plates.

[0009] Preferably, the sealing plate has a cap-like structure.

[0010] Preferably, the lower end of the stud has an inner hole; the bolt is at least partially inserted into the inner hole.

[0011] Preferably, the bolt and stud are threaded together.

[0012] Preferably, it also includes a sealing gasket; the sealing gasket is disposed at the opening and pressed against the pressure relief plate.

[0013] Preferably, the base plate has a box-shaped structure with an open top.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting this explosion-proof pressure relief structure at the bottom of the energy storage cabinet, the explosion-proof pressure relief structure is composed of a base plate, a pressure relief plate, and a rebound component. Under the action of the rebound component, the pressure relief plate can move away from or towards the base plate with damping. After the explosion-proof pressure relief structure performs its pressure relief function, the pressure relief plate can automatically reset, so that the air pressure inside the energy storage cabinet is always at a safe level. Compared with the pressure relief explosion-proof valve, this explosion-proof pressure relief structure has the advantages of large pressure relief area and high pressure relief efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the explosion-proof pressure relief structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the pressure relief plate structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the cross-section of the explosion-proof pressure relief structure of this utility model;

[0018] Figure 4 For the present utility model Figure 3 A schematic diagram of the structure at point A in the middle.

[0019] In the diagram: 1 base plate, 2 pressure relief plate, 3 rebound assembly, 4 sealing gasket, 11 opening, 21 sealing plate, 22 support plate, 23 through hole, 31 stud, 32 spring, 33 bolt, 34 gasket. Detailed Implementation

[0020] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings, so that those skilled in the art can more clearly understand how to practice this utility model. Although this utility model has been described in conjunction with its preferred embodiments, these embodiments are merely illustrative and not intended to limit the scope of this utility model.

[0021] The embodiments of this utility model provide a safety pressure relief structure for new energy storage cabinets. Since the overall load-bearing capacity of the cabinet is supported by structural components with strong load-bearing capacity, the sheet metal parts of the bottom plate of most cabinets will not bear any stress. This utility model changes the bottom plate of the cabinet to a pressure relief structure and combines it with the cabinet body.

[0022] Specific Implementation Example 1: Please refer to... Figure 1-4An explosion-proof pressure relief structure for an energy storage cabinet is disclosed. The structure is installed at the bottom of the cabinet to seal the bottom. The explosion-proof pressure relief structure includes a base plate 1, a pressure relief plate 2, a spring-loaded assembly 3, and a sealing gasket 4. The base plate 1 has an opening 11, and the sealing gasket 4 is located at the opening 11. The pressure relief plate 2 is movably mounted on the underside of the base plate 1 via the spring-loaded assembly 3, and at least part of the upper part of the pressure relief plate 2 is adapted to the size of the opening 11. When the upper part of the pressure relief plate 2 is embedded inside the base plate 1, it can close the opening 11. During spring-loaded... Under the action of component 3, the pressure relief plate 2 can move away from or towards the base plate 1 with damping, so that after the explosion-proof pressure relief structure performs its pressure relief function, the pressure relief plate 2 automatically resets, ensuring that the internal air pressure of the energy storage cabinet is always at a safe level. In addition, the opening diameter of the pressure relief port, i.e., the opening 11, of this explosion-proof pressure relief structure can change proportionally with the size of the internal air pressure of the energy storage cabinet. By combining this pressure relief structure with the cabinet structure, the pressure relief capacity of the energy storage cabinet can be greatly increased, the internal pressure can be discharged faster, the pressure relief efficiency can be improved, and it is safer.

[0023] Specifically, the base plate 1 has a box-shaped structure with an open top, and the opening 11 is located on the bottom wall of the base plate 1. When this explosion-proof pressure relief structure is installed on the energy storage cabinet, the upper end of the base plate 1 is fixedly connected to the energy storage cabinet. The size of the opening 11 is smaller than the size of the bottom wall of the base plate 1.

[0024] The pressure relief plate 2 consists of a sealing plate 21 and two support plates 22, with the two support plates 22 symmetrically arranged at the lower end of the sealing plate 21. In this embodiment, the size of the sealing plate 21 is adapted to the size of the opening 11. When the sealing plate 21 is partially embedded in the inner side of the bottom plate 1 through the opening 11, the outer periphery of the sealing plate 21 and the sealing gasket 4 are pressed against each other, so that the opening 11 is completely sealed. At the same time, due to the setting of the sealing gasket 4, the friction between the sealing plate 21 and the bottom plate 1 is large, so that the sealing plate 21 needs to be released from the bottom plate 1 within a set pressure range. In this way, the explosion-proof pressure relief structure can not only withstand a certain air pressure load, but also release the sealing plate 21 from the bottom plate 1 when the pressure inside the energy storage cabinet reaches a predetermined size to achieve the function of pressure relief and explosion prevention.

[0025] In this embodiment, the sealing plate 21 is a cap-shaped structure with the opening facing downwards. This not only reduces the weight of the explosion-proof pressure relief structure but also increases the thickness of the sealing plate 21 itself. A certain thickness can achieve better sealing of the opening 11.

[0026] Each support plate 22 has three through holes 23, which are distributed along the length of the support plate 22 body. Each through hole 23 is also provided with a sealing ring inside.

[0027] The spring-loaded assembly 3 has six sets, which are arranged in a one-to-one correspondence with the spring-loaded assembly 3 and the through hole 23. Specifically, the spring-loaded assembly 3 includes a stud 31, a spring 32, a bolt 33 and a washer 34. The upper end of the stud 31 is fixed to the lower end of the base plate 1, and the stud 31 is disposed through the through hole 23. An inner hole is also opened at the axial center of the lower end of the stud 31. The spring 32 is sleeved on the stud 31 and is located on the lower side of the support plate 22. The upper part of the bolt 33 is at least partially inserted into the inner hole. The bolt 33 and the stud 31 are connected by threads. The washer 34 is disposed between the spring 32 and the bolt 33, and the spring 32 and the washer 34 are pressed together.

[0028] When the internal pressure of the energy storage cabinet is too high, the internal pressure will compress the spring 32, and the pressure relief plate 2 will be pushed out by the pressure and separate from the bottom plate 1, so that the opening 11 is opened. The excessive air pressure is released through the opening. After the pressure inside and outside the energy storage cabinet reaches equilibrium, the pressure relief plate 2 is pushed into the bottom plate 1 under the action of the spring 32 to close the opening 11. With this setting, the air pressure inside the energy storage cabinet can always be kept at a safe level.

[0029] This technical solution utilizes an explosion-proof pressure relief structure installed at the bottom of the energy storage cabinet. This structure consists of a base plate, a pressure relief plate, and a rebound assembly. Under the action of the rebound assembly, the pressure relief plate can move away from or towards the base plate with damping. After the explosion-proof pressure relief structure performs its pressure relief function, the pressure relief plate can automatically reset, ensuring that the internal air pressure of the energy storage cabinet remains at a safe level. Compared to a pressure relief explosion-proof valve, this explosion-proof pressure relief structure has advantages such as a large pressure relief area and high pressure relief efficiency.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof pressure relief structure for an energy storage cabinet, characterized in that: It includes a base plate (1), a pressure relief plate (2) and a rebound assembly (3); the base plate (1) has an opening on the inner side of the middle part; the pressure relief plate (2) is movably disposed on the lower side of the base plate (1) through the rebound assembly (3), wherein the upper part of the pressure relief plate (2) is at least partially disposed through the opening and the upper outer periphery of the pressure relief plate (2) is seamlessly connected to the inner wall of the opening.

2. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 1, characterized in that: The rebound assembly (3) includes a spring (32); the spring (32) is located between the base plate (1) and the pressure relief plate (2).

3. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 2, characterized in that: The pressure relief plate (2) consists of a sealing plate (21) and a support plate (22), with the support plate (22) located at the lower end of the sealing plate (21).

4. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 3, characterized in that: The rebound assembly (3) also includes a stud (31) and a bolt (33); the bolt (33) is located at the lower end of the stud (31); the upper end of the stud (31) is fixedly connected to the lower end of the base plate (1), and the lower part of the stud (31) passes through the support plate (22) and is slidably connected to the support plate (22); the spring (32) is sleeved on the stud (31) and located between the support plate (22) and the bolt (33).

5. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 3, characterized in that: The support plate (22) is provided in multiple ways; the multiple support plates (22) are evenly distributed at the lower end of the sealing plate (21); the spring-loaded assembly (3) is provided in several groups; the multiple spring-loaded assemblies (3) are evenly distributed on the multiple support plates (22).

6. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 3, characterized in that: The sealing plate (21) has a cover-like structure.

7. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 4, characterized in that: The stud (31) has an inner hole at its lower end; the bolt (33) is at least partially inserted into the inner hole.

8. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 7, characterized in that: The bolt (33) and stud (31) are threaded together.

9. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 1, characterized in that: It also includes a sealing gasket (4); the sealing gasket (4) is located at the opening and is pressed against the pressure relief plate (2).

10. The explosion-proof pressure relief structure for an energy storage cabinet according to claim 1, characterized in that: The base plate (1) has a box-shaped structure with an open top.

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