Array type energy storage assembly

Abstract

The utility model relates to the technical field of electric energy storage, and discloses an array type energy storage assembly, which comprises a shell, a top cover and a bottom cover, an inner layer is fixedly arranged in the shell, a low-temperature agent circulating cavity is formed between the shell and the inner layer, a plurality of energy storage unit separation frames are fixedly arranged on the inner side of the inner layer, and a plurality of low-temperature agent circulating cavities are formed between the low-temperature agent circulating cavity and the energy storage unit separation frames. The multiple energy storage unit separation frames are distributed on the inner side of the inner layer at equal intervals, a gap is reserved between every two adjacent energy storage unit separation frames, communicating holes are formed in the inner wall of the inner layer and communicate the low-temperature agent circulation cavity with the interior of the inner layer, and the low-temperature agent circulation cavity can enable low-temperature agents to circulate on one hand and can form buffering on the other hand; the energy storage unit separation frames are arranged to be used for containing the unit energy storage structures one by one, the communicating holes are formed to be used for guiding the low-temperature agent to the positions between the adjacent energy storage unit separation frames, and cooling of the unit energy storage structures is achieved by cooling the energy storage unit separation frames.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy storage, specifically is an array type energy storage assembly. BACKGROUND

[0002] With the rapid development of renewable energy such as solar energy and wind energy, the intermittency and instability of power generation are increasingly prominent. For example, solar energy cannot generate electricity at night or on rainy days, and wind energy is affected by wind speed changes, and the power output fluctuates greatly. In order to effectively solve these problems, an efficient energy storage system is needed to store excess electricity to ensure stable energy supply. The array type energy storage assembly can meet the energy storage needs of renewable energy power generation by large-scale integration of energy storage units. However, the internal heat dissipation effect of the array type energy storage assembly is poor because multiple energy storage units are arranged inside. SUMMARY

[0003] The utility model aims at providing an array type energy storage assembly to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an array type energy storage assembly, comprising a shell, a top cover, and a bottom cover, an inner layer is fixedly installed inside the shell, a low-temperature agent circulation cavity is formed between the shell and the inner layer, an energy storage unit partition frame is fixedly installed on the inner side of the inner layer, multiple energy storage unit partition frames are arranged, and the multiple energy storage unit partition frames are distributed at equal intervals on the inner side of the inner layer, a gap is left between adjacent energy storage unit partition frames, a communication hole is formed in the inner wall of the inner layer, the communication hole communicates the low-temperature agent circulation cavity and the inside of the inner layer, and the communication hole is aligned with the gap between adjacent energy storage unit partition frames.

[0005] Further, the bottom of the top cover and the top of the bottom cover are both fixedly provided with a fire extinguishing agent discharge cavity, and a discharge hole is formed in the outer wall of one side of the energy storage unit partition frame facing the fire extinguishing agent discharge cavity.

[0006] Further, the energy storage unit partition frame comprises a side plate, a vertical partition plate, and a horizontal partition plate, two side plates form the main frame of the energy storage unit partition frame, the horizontal partition plate divides the energy storage unit partition frame into two layers, and two horizontal partition plates are arranged, a communication cavity is left between the two horizontal partition plates, the communication cavity communicates with the communication hole, two vertical partition plates form a storage compartment, a gap is left between adjacent storage compartments, and heat insulation filler is placed in the gap.

[0007] Further, the height of the heat insulation filler is lower than the height of the vertical partition plate, the heat insulation filler is made of aerogel composite material, and a flow-through groove is formed in one end of the vertical partition plate close to the horizontal partition plate.

[0008] Furthermore, a temperature controller and a high-pressure carbon dioxide pump are fixedly installed on the top of the top cover. The temperature controller detects the internal temperature of the inner layer through a temperature probe, and the output end of the high-pressure carbon dioxide pump is connected to the interior of the fire extinguishing agent discharge chamber.

[0009] Furthermore, a cryogenic cooling tank and a circulation pump are fixedly installed on the right outer wall of the outer shell. The output end of the circulation pump is connected to the inside of the cryogenic circulation chamber through a pipe, and the input end of the circulation pump is connected to the liquid outlet end of the cryogenic cooling tank.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. The cryogenic refrigerant circulation chamber is set up to allow the cryogenic refrigerant to circulate and to form a buffer. The energy storage unit partition frame is set up to place individual energy storage units. The connecting hole is set up to guide the cryogenic refrigerant between adjacent energy storage unit partition frames. The energy storage unit structure is cooled by cooling the energy storage unit partition frame.

[0012] 2. Two vertical partition plates form a placement grid, with gaps between adjacent placement grids, and heat insulation filler is placed in these gaps. After the cryogenic agent adjacent to the energy storage unit partition frame enters the connecting cavity, it is cooled from the bottom and top of the unit energy storage structure, thereby increasing the cooling range. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a structural schematic diagram of the exploded view of the outer shell, top cover, and bottom cover of this utility model;

[0015] Figure 3 This is a structural schematic diagram of the outer shell and inner layer of this utility model in a frontal sectional view;

[0016] Figure 4 This is a schematic diagram of the energy storage unit partition frame of this utility model;

[0017] Figure 5 This is a front view of the energy storage unit partition frame of this utility model.

[0018] In the diagram: 1. Outer shell; 2. Top cover; 3. Bottom cover; 4. Inner layer; 5. Extinguishing agent discharge chamber; 6. Discharge hole; 7. Cryogenic agent circulation chamber; 701. Connecting hole; 8. Energy storage unit partition frame; 801. Side plate; 802. Vertical partition plate; 803. Horizontal partition plate; 804. Connecting chamber; 9. Thermal insulation packing; 10. Flow channel; 11. Temperature controller; 12. High-pressure carbon dioxide pump; 13. Cryogenic agent cooling box; 14. Circulation pump. Detailed Implementation

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0020] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: an array type energy storage component, including shell 1, top cover 2, bottom cover 3, the inside fixed mounting of shell 1 has inner layer 4, low temperature agent circulation cavity 7 is formed between shell 1, inner layer 4, the inside fixed mounting of inner layer 4 has energy storage unit compartment 8, energy storage unit compartment 8 is provided with multiple, and multiple energy storage unit compartment 8 equidistant distribution in the inside of inner layer 4, gap is left between adjacent energy storage unit compartment 8, the inner wall of inner layer 4 is equipped with communicating hole 701, communicating hole 701 connects low temperature agent circulation cavity 7 and the inside of inner layer 4, communicating hole 701 is aligned with the gap between adjacent energy storage unit compartment 8, setting low temperature agent circulation cavity 7 can let low temperature agent circulation on one hand, can form buffer on the other hand, setting energy storage unit compartment 8 is used to place one unit energy storage structure, setting communicating hole 701 is used to guide flow to adjacent energy storage unit compartment 8 between low temperature agent, cooling is realized to unit energy storage structure by cooling energy storage unit compartment 8;

[0021] The bottom of top cover 2 and the top of bottom cover 3 are fixedly provided with fire extinguishing agent discharge cavity 5, and the side outer wall of fire extinguishing agent discharge cavity 5 towards energy storage unit compartment 8 is provided with discharge hole 6, fire extinguishing agent discharge cavity 5 is arranged to place fire extinguishing agent, and the fire extinguishing agent is discharged to the unit energy storage structure through the discharge hole 6.

[0022] Energy storage unit compartment 8 includes side plate 801, vertical partition plate 802 and horizontal partition plate 803, two side plates 801 form the main frame of energy storage unit compartment 8, the horizontal partition plate 803 divides the energy storage unit compartment 8 into two layers, and the horizontal partition plate 803 is provided with two, and the communicating cavity 804 is left between the two horizontal partition plates 803, the communicating cavity 804 is communicated with the communicating hole 701, and the two vertical partition plates 802 form a storage grid, and the gap is left between the adjacent storage grids, and the heat insulation filler 9 is arranged in the gap, and the low temperature agent enters the communicating cavity 804, and the unit energy storage structure is cooled from the bottom and the top, so that the cooling range is improved.

[0023] The height of the heat insulation filler 9 is lower than the height of the vertical partition plate 802, so that the fire extinguishing agent can flow along the heat insulation filler 9, the heat insulation filler 9 is made of aerogel composite material, which has a plurality of pores to enable the fire extinguishing agent to flow better, and the end of the vertical partition plate 802 close to the horizontal partition plate 803 is provided with a flow-through groove 10, so that the fire extinguishing agent can flow into the plurality of storage grids in one energy storage unit compartment 8 from the flow-through groove 10.

[0024] The top of the top cover 2 is fixedly installed with a temperature controller 11 and a high-pressure carbon dioxide pump 12, the temperature controller 11 detects the internal temperature of the inner layer 4 through a temperature detection head, and the output end of the high-pressure carbon dioxide pump 12 is communicated with the inside of the fire extinguishing agent discharge cavity 5;

[0025] The right outer wall of the shell 1 is fixedly installed with a low-temperature agent cooling box 13 and a circulating pump 14, the output end of the circulating pump 14 is communicated with the inside of the low-temperature agent circulating cavity 7 through a pipeline, and the input end of the circulating pump 14 is communicated with the liquid outlet end of the low-temperature agent cooling box 13.

[0026] Working principle: when in use, after closing the top cover 2 and the bottom cover 3, the top cover 2 and the bottom cover 3 are fixed, the circulating pump 14 is started to circulate the low-temperature agent in the low-temperature agent circulating cavity 7, the low-temperature agent enters the inner layer 4 from the communication hole 701, then flows into the gap between the adjacent energy storage unit partition racks 8, and part of the low-temperature agent flows into the communication cavity 804, so that the energy storage unit is cooled in multiple directions.

[0027] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range protected by the utility model.

Claims

1. An arrayed energy storage assembly comprising a housing (1), a top cover (2), a bottom cover (3), characterized in that: The inside of the shell (1) is fixedly installed with an inner layer (4), a low-temperature agent circulation cavity (7) is formed between the shell (1) and the inner layer (4), the inner side of the inner layer (4) is fixedly installed with a plurality of energy storage unit partition racks (8), the plurality of energy storage unit partition racks (8) are equidistantly distributed on the inner side of the inner layer (4), gaps are left between adjacent energy storage unit partition racks (8), the inner wall of the inner layer (4) is provided with a communication hole (701), the communication hole (701) communicates the low-temperature agent circulation cavity (7) and the inside of the inner layer (4), and the communication hole (701) is aligned with the gap between the adjacent energy storage unit partition racks (8).

2. An arrayed energy storage assembly according to claim 1, wherein: The bottom of the top cover (2) and the top of the bottom cover (3) are fixedly provided with fire extinguishing agent discharge cavities (5), and the fire extinguishing agent discharge cavities (5) are provided with discharge holes (6) on the side outer walls facing the energy storage unit partition racks (8).

3. An arrayed energy storage assembly according to claim 1, wherein: The energy storage unit partition rack (8) comprises side plates (801), vertical partition plates (802) and horizontal partition plates (803), the two side plates (801) constitute the main frame of the energy storage unit partition rack (8), the horizontal partition plates (803) divide the energy storage unit partition rack (8) into two layers, and the horizontal partition plates (803) are provided with two horizontal partition plates (803), a communication cavity (804) is left between the two horizontal partition plates (803), the communication cavity (804) communicates with the communication hole (701), and the two vertical partition plates (802) constitute a placing grid, gaps are left between adjacent placing grids, and the gaps are filled with heat insulation fillers (9).

4. An arrayed energy storage assembly according to claim 3, wherein: The height of the heat insulation filler (9) is lower than the height of the vertical partition plate (802), the heat insulation filler (9) is made of aerogel composite material, and the vertical partition plate (802) is provided with a flow-through groove (10) at one end close to the horizontal partition plate (803).

5. An arrayed energy storage assembly according to claim 1, wherein: The top of the top cover (2) is fixedly installed with a temperature controller (11) and a high-pressure carbon dioxide pump (12), the temperature controller (11) detects the temperature inside the inner layer (4) through a temperature detection head, and the output end of the high-pressure carbon dioxide pump (12) communicates with the inside of the fire extinguishing agent discharge cavity (5).

6. An arrayed energy storage assembly according to claim 1, wherein: The right outer wall of the shell (1) is fixedly installed with a low-temperature agent cooling box (13) and a circulating pump (14), the output end of the circulating pump (14) communicates with the inside of the low-temperature agent circulation cavity (7) through a pipeline, and the input end of the circulating pump (14) communicates with the liquid outlet end of the low-temperature agent cooling box (13).

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