CN-122000523-A - Energy storage bracket, energy storage box body, energy storage device and energy storage system

Abstract

The application is suitable for the technical field of energy storage, and provides an energy storage bracket, an energy storage box body, an energy storage device and an energy storage system. The energy storage support is arranged in the energy storage device and used for storing the energy storage module, the energy storage support comprises a frame structure and a spray head, wherein the frame structure encloses an accommodating space for storing the energy storage module, a circulation channel for conveying fire extinguishing agent is arranged in the frame structure, a fire extinguishing agent inlet and a fire extinguishing agent outlet which are communicated with the circulation channel are arranged on the frame structure, the spray head is arranged at the fire extinguishing agent outlet of the frame structure, and the spray head is used for spraying the fire extinguishing agent to the accommodating space. The technical scheme provided by the embodiment of the application can improve the reliability of the energy storage device.

Inventors

• MAO ZHIYUN
• LI HUAJUN
• Ye Ruoyu

Assignees

• 宁德时代未来能源(上海)研究院有限公司
• 宁德时代新能源科技股份有限公司

Dates

Publication Date

20260508

Application Date

20241101

Claims (20)

1. 1. An energy storage bracket, characterized in that, the energy storage bracket is arranged in energy storage device, energy storage device includes energy storage module, the energy storage bracket includes: The frame structure is surrounded to form an accommodating space for storing the energy storage module, a circulation channel for conveying fire extinguishing agent is arranged in the frame structure, and a fire extinguishing agent inlet and a fire extinguishing agent outlet which are communicated with the circulation channel are arranged on the frame structure; The spray head is arranged at the fire extinguishing agent outlet of the frame structure and is used for spraying fire extinguishing agent to the accommodating space.
2. 2. The energy storage bracket of claim 1, wherein the frame structure comprises a first frame, a second frame and a bracket, the second frame and the bracket being mounted to the first frame, the first frame enclosing the receiving space, the second frame forming the flow channel, the bracket for carrying the energy storage module.
3. 3. The energy storage bracket of claim 2, wherein the frame structure comprises a plurality of first frames and a plurality of second frames, the first frames are distributed at intervals along a first direction, the accommodating space is formed between two adjacent first frames, at least one second frame is mounted on each first frame, and the second frame is provided with the spray head towards the accommodating space.
4. 4. The energy storage bracket of claim 3, wherein the first frame comprises a first cross beam and a first upright vertically connected, the second frame comprises a second cross beam and a second upright vertically connected, the second cross beam and the second upright are hollow structures and are mutually communicated, the second upright is attached to the first upright, and the first cross beam and the second cross beam are respectively positioned at two opposite ends of the first upright in the extending direction.
5. 5. The energy storage bracket of claim 4, wherein the second frame comprises a plurality of second posts spaced apart along the extension of the second beam, and the spray head is disposed on the second posts.
6. 6. The energy storage bracket of claim 4 or 5, wherein the second post has a length that is less than a length of the first post.
7. 7. The energy storage bracket of claim 4 or 5, wherein a plurality of brackets are arranged in each accommodating space, the brackets are arranged at intervals along the extending direction of the first upright post and divide a plurality of accommodating cavities in the accommodating space, and a plurality of spray heads are arranged on the second upright post and each accommodating cavity corresponds to at least one spray head.
8. 8. The energy storage bracket of any of claims 3-7, wherein a plurality of said first frames divide a plurality of said receiving spaces along said first direction, two said second frames are provided adjacent to two said receiving spaces, and two said second frames are provided with said spray heads on opposite sides, respectively.
9. 9. The energy storage rack of any of claims 4-8, wherein the frame structure further comprises a conduit extending in the first direction, the conduit being connected to the second cross members of the plurality of second frames, the conduit, the second cross members, and the second upright being in communication with one another and collectively forming the flow channel, the fire suppressant inlet being disposed on the conduit.
10. 10. The energy storage bracket of any of claims 1-9, wherein the flow channel is circular in cross-section.
11. 11. An energy storage box body, which is used in an energy storage device, and comprises an enclosing wall and an energy storage bracket as claimed in any one of claims 1-10, wherein the enclosing wall encloses a first accommodating bin, and the energy storage bracket is arranged in the first accommodating bin.
12. 12. The energy storage tank of claim 11, wherein the frame structure is configured to support the enclosure walls and to co-enclose the receiving space with the enclosure walls.
13. 13. The energy storage tank of claim 12, wherein the enclosure wall comprises two first side plates and two second side plates, the two first side plates are disposed opposite to each other along the length direction of the tank, the two second side plates are disposed opposite to each other along the width direction of the energy storage tank, a first interface and a second interface are disposed on the first side plates, the first interface is used for communicating the circulation channel with a fire extinguishing agent supply source, and the second interface is used for communicating the first accommodation chamber with an exhaust gas recovery device.
14. 14. The energy storage tank of claim 13, wherein the second interface is disposed at a higher elevation than the first interface along the height of the energy storage tank.
15. 15. The energy storage tank of claim 13 or 14, further comprising a partition disposed within the enclosed space defined by the enclosure walls and separating the first and second compartments within the enclosed space, the second compartment for storing electrical equipment.
16. 16. The energy storage tank of claim 15, wherein the partition is disposed parallel to the first side plate, and the first interface and the second interface are disposed on the first side plate remote from the second receiving compartment.
17. 17. The energy storage tank of any one of claims 11-16, wherein the energy storage tank is a standard container.
18. 18. An energy storage device comprising an energy storage module and an energy storage bracket according to any one of claims 1-10 or an energy storage case according to any one of claims 11-17, the energy storage module being arranged in the receiving space.
19. 19. An energy storage system comprising a power conversion apparatus for electrically connecting the energy storage device and at least one of a power generation device and a power grid, and the energy storage device of claim 18.
20. 20. The energy storage system of claim 19, further comprising an inert gas source, the inert gas source being connected to the fire suppression agent inlet.

Description

Energy storage bracket, energy storage box body, energy storage device and energy storage system Technical Field The application relates to the field of energy storage, in particular to an energy storage bracket, an energy storage box body, an energy storage device and an energy storage system. Background The energy storage device is a device for storing electric energy and releasing the electric energy when needed, can effectively balance the supply and demand relation of energy sources, ensures the stable operation of a power grid, and can promote the effective utilization of renewable energy sources. The energy storage module in the energy storage device can generate a large amount of heat in the charge and discharge process, and if the heat dissipation is poor or in an abnormal working state, the problem of thermal runaway can occur, so that fire or explosion can be caused. Therefore, the reliability of the energy storage device needs to be improved. Disclosure of Invention In view of the above, the embodiment of the application provides an energy storage bracket, an energy storage box, an energy storage device and an energy storage system, which can improve the reliability of the energy storage bracket and the energy storage box, the energy storage device or the energy storage system using the energy storage bracket. An embodiment of the first aspect of the application provides an energy storage bracket, which is used in an energy storage device, the energy storage device comprises an energy storage module, the energy storage bracket comprises a frame structure, a spray head and a spray head, wherein the frame structure encloses an accommodating space for storing the energy storage module, a circulation channel for conveying fire extinguishing agent is arranged in the frame structure, the frame structure is provided with a fire extinguishing agent inlet and a fire extinguishing agent outlet which are communicated with the circulation channel, and the spray head is arranged at the fire extinguishing agent outlet of the frame structure and is used for spraying the fire extinguishing agent to the accommodating space. The energy storage support that above-mentioned embodiment provided has formed the circulation passageway that is used for carrying fire extinguishing agent in frame construction's inside to set up the shower nozzle on frame construction, so, can spray fire extinguishing agent in accommodation space fast and accurately through frame construction and shower nozzle, this kind of design has improved fire extinguishing system's overall arrangement rationality for energy storage support and the reliability and the security of using the energy storage device of this energy storage support obtain promoting. Meanwhile, the fire-fighting system is integrated in the frame structure, so that the energy storage bracket has the functions of fire fighting and storage, compared with the scheme that the fire-fighting system is independently arranged, the space occupation of the fire-fighting system is reduced through the design, and when the energy storage bracket is applied to the energy storage device or the energy storage system, more storage space can be provided for the energy storage module in a limited space, so that the energy storage density is improved. In some embodiments, the frame structure includes a first frame, a second frame and a bracket mounted on the first frame, the first frame enclosing a receiving space, the second frame forming a flow channel, the bracket for carrying the energy storage module. In the design, the fire-fighting function and the supporting function of the frame structure are separated, so that the structural rationality of the frame structure can be improved, and the design, the manufacture and the maintenance are convenient. In some embodiments, the frame structure includes a plurality of first frames and a plurality of second frames, and a plurality of first frames are along first direction interval distribution, form accommodation space between two adjacent first frames, install at least one second frame on each first frame, and the second frame is equipped with the shower nozzle towards accommodation space. In the above design, the second frame can extend into each accommodating space and accurately correspond to the energy storage module in each accommodating space, so that the reliability and the safety of the energy storage bracket and the energy storage device applying the energy storage bracket are further improved. In some embodiments, the first frame includes perpendicular first crossbeam and the first stand of connecting, and the second frame includes perpendicular second crossbeam and the second stand of connecting, and the inside of second crossbeam and second stand is hollow structure and both intercommunications, and the laminating of second stand sets up on first stand, and first crossbeam and second crossbeam are located the opposite ends of first stan