CN217522109U

CN217522109U - Novel high-efficient heat management energy storage battery rack system

Info

Publication number: CN217522109U
Application number: CN202220417270.2U
Authority: CN
Inventors: 项海锋; 尚晓丽; 万梓; 朱雷; 孙昉哲
Original assignee: Zhejiang Nandu Energy Internet Co ltd; Zhejiang Narada Power Source Co Ltd
Current assignee: Zhejiang Nandu Energy Technology Co ltd; Zhejiang Narada Power Source Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-09-30
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to an energy storage battery technique discloses a novel high-efficient heat management energy storage battery rack system, including air-cooled system, the cabinet body (6), set up spandrel girder (1) in the cabinet body (6), install battery module (2) between two adjacent spandrel girders (1), be located the Pack electrical system in battery module (2) the place ahead, the air-cooled system is including setting up wind channel (41) in spandrel girder (1), setting air outlet (42) in spandrel girder (1) side. The air duct of the air cooling system of the utility model is positioned in the bearing beam, the bearing beam is provided with the air outlet, the air duct is separated from the battery module, the dependence is reduced, and the universality is strong; the battery Pack system is decomposed into independent battery modules and a Pack electrical system, so that the battery modules are convenient to disassemble and assemble, the electrical safety is managed in a grading mode, and the Pack electrical system can be used as a temperature barrier of an air cooling system.

Description

Novel high-efficient heat management energy storage battery rack system

Technical Field

The utility model relates to an energy storage battery technique especially relates to a novel high-efficient heat management energy storage battery rack system.

Background

The development of various energy storage application scenes is behind the rapid development of energy storage, wherein the scenes of industrial and commercial application are generally in regions with narrow regions and compact spaces, large-scale energy storage is often limited by regionality and timeliness, and at the moment, the spatial flexibility of an energy storage cabinet is particularly important; under the restriction of different regional environments and spaces, the internal heat management system of the energy storage cabinet can better protect the safe application and the service life of the battery Pack in the cabinet, can adjust the temperature and humidity state in the cabinet according to the condition of the actual application environment, and ensures the safe and durable use of the battery Pack.

The existing energy storage cabinet is generally of an integrated Pack structure, an air cooling management system is adopted for heat management in the cabinet, the air cooling system and an electrical system are integrated on a battery Pack system, the battery Pack structure is relied on in the installation and application aspect, the universality is lacked, and the battery module and the electrical system are integrated to be not beneficial to electrical safety management. In addition, the existing energy storage cabinet structure is a fixed cabinet structure, can only meet the use of specific space environment requirements, has a single application range, simplifies the installed capacity of electric quantity, and cannot be used universally for the requirements of various installed electric quantities.

Disclosure of Invention

The utility model discloses to prior art wind cooling system and electric system all integrate on battery Pack system, lack the shortcoming of commonality, provide a novel high-efficient thermal management energy storage battery rack system, wind channel and battery Pack system separation improve the commonality.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

novel high-efficient heat management energy storage battery rack system, including air cooling system, the cabinet body, set up at the internal spandrel girder of cabinet, install the battery module between two adjacent spandrel girders, air cooling system is including setting up wind channel, the air outlet of setting in the spandrel girder side in the spandrel girder. The air duct is separated from the battery module, the air duct is separated from the battery Pack system in the aspect of installation and application, and the cabinet body and the bearing beam combined structure can be used for battery modules of different models. And air channels do not need to be arranged in other spaces of the cabinet body, so that the space is saved. Wind enters the bearing beam and then reaches the battery module through the air outlet to supply heat for exchange.

Further, still include the Pack electrical system who is located the battery module front. The battery Pack system is decomposed into an independent battery module and a Pack electrical system, so that the battery Pack system is convenient to disassemble and assemble, and the electrical safety is managed in a grading manner.

Further, Pack electrical system includes the check fender board that is located the battery module the place ahead, sets up the electrical management system on check fender board.

Further, still include liquid cooling system, liquid cooling system includes liquid cooling box, communicates with the liquid cooling box and is located the internal liquid cooling pipeline of cabinet. Double heat exchange improves the radiating efficiency.

Further, the liquid cooling pipeline is arranged inside the bearing beam. The liquid cooling pipeline and the battery module are arranged in a blocking mode, installation among each other cannot be affected, universality is good, and the bearing beam plays a certain protection role in the liquid cooling pipeline.

Furthermore, the liquid cooling box is arranged at the top end of the cabinet body, and a liquid inlet hole and a liquid outlet hole are formed in the cabinet body, wherein the liquid cooling pipeline penetrates out of the cabinet body. The liquid inlet hole and the liquid outlet hole are arranged to communicate the liquid cooling pipeline with the liquid cooling box outside the cabinet body. The liquid cooling case sets up on the cabinet body, reduces the setting of some pipelines, reduces occupation space simultaneously.

Further, the air cooling system further comprises a fan located outside the battery module, and the fan is communicated with the air duct. The fan provides power for the air inlet.

Furthermore, each battery module both sides all correspond there is the air outlet. Can carry out even heat exchange to every battery module, improve the radiating efficiency. The air outlets on two sides of each battery module are of bilateral symmetry structures, so that an air duct circulating system for air outlet on two sides of top air inlet can be realized, and an auxiliary air cooling management system is realized.

Further, the battery module includes the collet and sets up the battery cell group on the collet, and the collet includes the bottom plate and sets up the both sides boundary beam on the bottom plate, and the both sides boundary beam is named front side boundary beam and back side boundary beam respectively, all has the heat dissipation clearance between both sides boundary beam and the battery cell group, and the air outlet communicates with each other with the heat dissipation clearance, and the heat dissipation clearance communicates with each other with external atmosphere. The air of the air outlet exchanges heat with the single battery pack in a short distance through the heat dissipation gap and is exhausted to the outside, and the heat dissipation efficiency is improved.

Furthermore, the side of the bearing beam along the height direction is provided with at least one bearing rib, the bearing rib protrudes out of the surface of the bearing beam and extends along the width direction of the bearing beam, and the bearing rib is used for bearing the battery module. The battery module is limited in the corresponding space in the cabinet body through the supporting rib. The number of the battery modules can be arranged according to the installed capacity requirement of the electric quantity, and the battery module is more flexible. The cabinet body length is decided to the quantity of accessible bearing muscle, satisfies the rack requirement of any installation electric quantity, and application range is wide.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: an air duct of the air cooling system is positioned in the bearing beam, an air outlet is formed in the bearing beam, the air duct is separated from the battery module, dependence is reduced, and the universality is high; the battery Pack system is decomposed into independent battery modules and a Pack electrical system, so that convenience in disassembly and assembly is realized, electrical safety is managed in a grading mode, and the Pack electrical system can be used as a temperature barrier of an air cooling system.

The liquid cooling system heat management scheme is adopted, double heat conduction is realized, the heat dissipation efficiency is improved, the problem of heat accumulation of the battery Pack system in the cabinet body can be effectively solved, the risk of overheating failure of the battery Pack system is reduced, and the service life of the battery Pack is prolonged; the liquid cooling system is also installed with the battery module separately, reduces the dependency, improves the commonality.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a partial exploded view of the present invention;

fig. 3 is a structural view of the load-bearing beam of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 3 according to the present invention;

fig. 5 shows the battery Pack system of the present invention.

The names of the parts indicated by the numerical references in the drawings are as follows: the electric appliance management system comprises 1-bearing beam, 2-battery module, 3-grid baffle plate, 4-electric appliance management system, 5-fixed folding lug, 6-cabinet body, 11-bearing rib, 21-single battery pack, 22-bottom plate, 23-front side edge beam, 24-rear side edge beam, 25-diversion hole, 26-lug, 27-heat dissipation gap, 31-liquid cooling box, 32-liquid cooling pipeline, 33-liquid inlet hole, 34-liquid outlet hole, 35-liquid inlet pipe orifice, 36-liquid outlet pipe orifice, 41-air duct, 42-air outlet and 43-fan.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Example 1

Novel high-efficient heat management energy storage battery rack system, as shown in fig. 1, 2, including liquid cooling system, air cooling system, have about from top to bottom five panels the cabinet body 6, at least two set up side by side at the internal spandrel girder 1 of cabinet, install between two adjacent spandrel girders 1 and along vertically the battery module 2 that sets up side by side, set up the Pack electrical system in every battery module 2 the place ahead.

The spandrel girder 1 is along horizontal welding in the cabinet body 6 side by side, in this embodiment, spandrel girder 1 is four, two of them are laminated respectively about the cabinet body 6 two panel inner, remaining two equidistant settings are in the cabinet body 6, spandrel girder 1 all is equipped with equidistant bearing muscle 11 that sets up side by side along the left and right sides of direction of height, bearing muscle 11 protrusion is on spandrel girder 1 surface and extend along spandrel girder 1 width direction, every bearing muscle 11 equallys divide do not with adjacent spandrel girder 1 on the corresponding bearing muscle 11 cooperation in order to accept a battery module 2.

As shown in fig. 2, the straight arrow in the vertical direction in the figure indicates the entering and exiting direction and position of the liquid, the liquid cooling system includes a liquid cooling box 31 fixedly disposed at the upper end of the cabinet body 6, and a liquid cooling pipeline 32 disposed inside the bearing beam 1, as shown in fig. 3 and 4, the liquid cooling pipeline 32 is disposed in a winding and bending manner, so as to increase the contact surface between the liquid cooling pipeline 32 and the battery module 2 and the inner space, increase the heat exchange area between the liquid cooling pipeline 32 and the battery module 2, improve the heat exchange efficiency between the liquid cooling pipeline 32 and the battery module 2, and further improve the heat dissipation efficiency of the liquid cooling pipeline 32. The arrangement path of the liquid cooling pipe 32 may be an M-shape, a U-shape, an S-shape, or the like, and in this embodiment, the arrangement path of the liquid cooling pipe 32 is a U-shape. All be provided with liquid cooling pipeline 32 in every spandrel girder 1, in order to carry out the efficient heat exchange to battery module 2, the liquid inlet pipe mouth 35 and the liquid outlet pipe mouth 36 of liquid cooling pipeline 32 in every spandrel girder 1 all are located the spandrel girder 1 upper end, every top panel of cabinet body 6 is provided with feed liquor hole 33 and play liquid hole 34 respectively with the liquid inlet pipe mouth 35 and the liquid outlet pipe mouth 36 relevant position of every liquid cooling pipeline 32, every liquid cooling pipeline 32 is equallyd divide do not through corresponding feed liquor hole 33, go out liquid hole 34 and wear out cabinet body 6 and the inside backward flow that forms of liquid cooling box 31, the liquid that is less than cabinet body 6 internal temperature gets into liquid cooling pipeline 32 from liquid inlet pipe mouth 35, the air that gets into cabinet body 6 inside promptly carries out the heat exchange, flow into liquid cooling box 31 from liquid outlet pipe mouth 36 again and cool off.

The air cooling system comprises an air duct 41 arranged inside the bearing beam 1, an air outlet 42 arranged on the bearing beam 1, a fan 43 arranged on a Pack electrical system, and a transverse air duct (not shown) used for connecting external air into the air duct 41, wherein the transverse air duct is positioned at the top end of the bearing beam 1 and abutted to the upper panel of the cabinet body 6, in the embodiment, the transverse air duct faces the back face of the cabinet body 6, and an air inlet of the transverse air duct faces the back face of the cabinet body 6. Two sides that set up bearing muscle 11 on spandrel girder 1 all are provided with air outlet 42, lie in every bearing muscle 11 top on spandrel girder 1 and all are provided with at least one air outlet 42 for carry out the forced air cooling effect to corresponding battery module 2. In this embodiment, each of the plurality of air outlets 42 is disposed above the corresponding bearing rib 11, the number of the air outlets 42 is set according to the transverse length of the battery module 2, and the air outlets 42 are uniformly disposed along the length direction of the bearing rib 11 to uniformly perform heat exchange on the battery module 2. The air outlet 42 faces the side of the battery module 2.

As shown in fig. 5, the battery module 2 includes a bottom support and a single battery pack 21 disposed on the bottom support, the bottom support includes a bottom plate 22 and two opposite side beams disposed on the bottom plate 22, the two side beams are named as a front side beam 23 and a rear side beam 24, a heat dissipation gap 27 is disposed between the two side beams and the single battery pack 21, and a diversion hole 25 communicated with the heat dissipation gap 27 is disposed on each of the two side beams. The air duct 41 is communicated with the heat dissipation gap 27 through the air outlet 42 and the flow guide holes 25 on the rear side edge beam 24, the heat dissipation gap 27 is communicated with the outside through the flow guide holes 25 on the front side edge beam 23, the edges of the two ends of the front side edge beam 23 are respectively provided with a lug 26 in an outward protruding manner, each lug 26 is provided with a screw hole, the battery module 2 is embedded between the two adjacent bearing beams 1 and is supported through the two corresponding bearing ribs 11, and the battery module 2 is fixed on the two adjacent bearing beams 1 through the lugs 26 by screws.

As shown in fig. 5, the Pack electrical system includes a blocking panel 3 located in front of the front side edge beam 23, and an electrical management system 4 disposed in the middle of the blocking panel 3, wherein the edges of both ends of the blocking panel 3 are provided with fixing lugs 5, the fixing lugs 5 are provided with screw holes, and the blocking panel 3 is locked on two adjacent load-bearing beams 1 by screws through the fixing lugs 5 by the blocking panel 3. The two fans 43 are respectively disposed on the left and right portions of the barrier panel 3, and the fans 43 are communicated with the flow guide holes 25 on the front side beams 23. Outside air enters the air duct 41 after being processed by the air conditioning system or the liquid cooling system, then enters the heat dissipation gap 27 from each air outlet 42 through the flow guide hole 25 of the rear side edge beam 24, exchanges heat with the heat inside the single battery pack 21, and is discharged to the outside of the cabinet body 6 through the flow guide hole 25 of the front side edge beam 23 by the fan 43.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. Novel high-efficient heat management energy storage battery rack system, including air cooling system, the cabinet body (6), set up spandrel girder (1) in the cabinet body (6), install battery module (2) between two adjacent spandrel girders (1), its characterized in that, air cooling system is including setting up wind channel (41) in spandrel girder (1), setting air outlet (42) to the side of spandrel girder (1).

2. The novel high-efficiency thermal management energy storage battery cabinet system according to claim 1, characterized by further comprising a Pack electrical system located in front of the battery modules (2).

3. The novel efficient thermal management energy storage battery cabinet system according to claim 2, characterized in that the Pack electrical system comprises a grid baffle plate (3) located in front of the battery modules (2), and an electrical management system (4) arranged on the grid baffle plate (3).

4. The novel high-efficiency heat management energy storage battery cabinet system according to claim 1, further comprising a liquid cooling system, wherein the liquid cooling system comprises a liquid cooling tank (31) and a liquid cooling pipeline (32) which is communicated with the liquid cooling tank (31) and is located in the cabinet body (6).

5. The novel high-efficiency heat management energy storage battery cabinet system according to claim 4, characterized in that the liquid cooling pipeline (32) is arranged inside the bearing beam (1).

6. The novel high-efficiency heat management energy storage battery cabinet system according to claim 4, wherein the liquid cooling tank (31) is arranged at the top end of the cabinet body (6), and the cabinet body (6) is provided with a liquid inlet hole (33) and a liquid outlet hole (34) for the liquid cooling pipeline (32) to penetrate out of the cabinet body (6).

7. The novel efficient thermal management energy storage battery cabinet system according to claim 1, wherein the air cooling system further comprises a fan (43) located outside the battery module (2), and the fan (43) is communicated with the air duct (41).

8. The novel efficient heat management energy storage battery cabinet system according to claim 1, wherein air outlets (42) are formed in two sides of each battery module (2).

9. The novel efficient heat management energy storage battery cabinet system according to claim 1, wherein the battery module (2) comprises a bottom support and a single battery pack (21) arranged on the bottom support, the bottom support comprises a bottom plate (22) and two side beams arranged on the bottom plate (22), the two side beams are named as a front side beam (23) and a rear side beam (24) respectively, a heat dissipation gap (27) is formed between each of the two side beams and the single battery pack (21), the air outlet (42) is communicated with the heat dissipation gap (27), and the heat dissipation gap (27) is communicated with the outside atmosphere.

10. The novel efficient heat management energy storage battery cabinet system according to claim 1, wherein at least one bearing rib (11) is arranged on the side surface of the bearing beam (1) in the height direction, the bearing rib (11) protrudes out of the surface of the bearing beam (1) and extends in the width direction of the bearing beam (1), and the bearing rib (11) is used for receiving the battery module (2).