CN117936968A - Liquid cooling energy storage module and energy storage battery compartment - Google Patents

Liquid cooling energy storage module and energy storage battery compartment Download PDF

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Publication number
CN117936968A
CN117936968A CN202311584796.5A CN202311584796A CN117936968A CN 117936968 A CN117936968 A CN 117936968A CN 202311584796 A CN202311584796 A CN 202311584796A CN 117936968 A CN117936968 A CN 117936968A
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CN
China
Prior art keywords
liquid
energy storage
liquid cooling
module
storage module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311584796.5A
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Chinese (zh)
Inventor
刘兆文
师蒙招
许东阳
李净凯
李天富
孙宏锦
梁丕荣
柳承祥
陈伦国
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CRRC Zhuzhou Institute Co Ltd
Original Assignee
CRRC Zhuzhou Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRRC Zhuzhou Institute Co Ltd filed Critical CRRC Zhuzhou Institute Co Ltd
Priority to CN202311584796.5A priority Critical patent/CN117936968A/en
Publication of CN117936968A publication Critical patent/CN117936968A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention provides a liquid cooling energy storage module and an energy storage battery compartment, wherein the liquid cooling energy storage module comprises a box cover with an open bottom, a module and a liquid cooling plate, the liquid cooling plate is connected with the bottom of the box cover in a sealing way, a sealing cavity is formed between the liquid cooling plate and the box cover, and the module is arranged in the sealing cavity and is fixedly connected with the liquid cooling plate. The liquid cooling energy storage module adopts the liquid cooling plate as the lower box body directly, so that the traditional structural box body is omitted, the weight of the energy storage module is reduced, the internal pipeline connection is omitted, the space is saved, the assembly process is reduced, and the assembly difficulty is reduced. Meanwhile, a large amount of heat can be taken away in a short time by adopting liquid cooling heat dissipation, and the heat dissipation efficiency is high and the stability is good.

Description

Liquid cooling energy storage module and energy storage battery compartment
Technical Field
The invention relates to the technical field of energy storage, in particular to a liquid cooling energy storage module and an energy storage battery compartment.
Background
The energy storage module is mainly used as a carrier for realizing the functions of the energy storage system, and a large amount of heat can be generated by the energy storage module in the operation process, so that the temperature in the battery cell and the energy storage battery cabin is quickly increased, the performance of the battery is influenced, and the service life is reduced; at present, energy storage modules in the market mainly adopt two modes of air cooling or liquid cooling, and both modes of cooling have disadvantages, including but not limited to:
At present, most energy storage products use an air cooling heat dissipation method, and an air cooling heat dissipation mode only can ensure that an energy storage system works in a limited temperature interval, and once the energy storage system exceeds the limited temperature interval, the air cooling heat dissipation is difficult to quickly cool, so that the energy storage system is operated at limited power, stopped and even an accident occurs;
In the traditional liquid cooling scheme, a liquid cooling plate and corresponding pipelines are added below the module in most cases, so that the space is occupied in the mode, the assembly efficiency is reduced, and the risk of liquid leakage exists; the partial integrated liquid cooling mode also has the problems of poor strength, liquid leakage and the like; in addition, the existing liquid cooling module for energy storage is generally 1P52S, and few liquid cooling modules with the size of 1P104S are used.
Disclosure of Invention
In order to solve or at least alleviate the technical problems, the invention provides a liquid cooling energy storage module, which adopts an integrated liquid cooling plate as a lower box body directly, so that the traditional structural box body is omitted, the internal pipeline connection is omitted, the space is saved, the assembly process is reduced, and the assembly difficulty is reduced.
The invention provides a liquid cooling energy storage module which comprises a box cover with an open bottom, a module and a liquid cooling plate, wherein the liquid cooling plate is connected with the bottom of the box cover in a sealing way, so that a sealing cavity is formed between the liquid cooling plate and the box cover, and the module is arranged in the sealing cavity and is fixedly connected with the liquid cooling plate.
In one embodiment, the liquid cooling plate is provided with at least two groups of module mounting beams, module mounting holes are correspondingly formed in the module mounting beams, and the modules are fixed on the module mounting beams through module fastening screws.
In one embodiment, a mounting plate is arranged between the front end of the module and the wall of the box cover, at least a power connector, a communication connector and a BMS are arranged on the mounting plate, and a BMS access opening and an aviation installation opening are arranged on the box cover corresponding to the power connector, the communication connector and the BMS.
In one embodiment, the liquid cooling plate is provided with a water inlet and a water outlet corresponding to the side where the connector and the BMS are located, the water inlet and the water outlet are respectively located at two ends of the liquid cooling plate, and the liquid cooling plate is provided with liquid cooling energy storage module fixing holes at one sides adjacent to the water inlet and the water outlet respectively.
In one embodiment, the modules comprise at least 4 groups of modules, the modules are connected through series copper bars, and the main negative end of each module is provided with a fuse.
In one embodiment, the liquid cooling plate is further provided with a lifting hole, and the lifting hole is arranged on one side of the liquid cooling plate adjacent to the water inlet and the water outlet respectively.
In one embodiment, a reinforcing beam for improving the overall strength of the liquid cooling plate is arranged at the bottom of the liquid cooling plate, and the reinforcing beam is in a frame shape.
In one embodiment, a plurality of rolling bearings are arranged at the lower part of the installation area of one side of the liquid cooling plate adjacent to the water inlet and the water outlet respectively, so that the liquid cooling plate can move in the horizontal direction in the installation process conveniently.
In one embodiment, a rivet nut is arranged in the installation area around the liquid cooling plate and is in sealing connection with the box cover.
In one embodiment, the mounting plate is further provided with a detector and a fire-fighting nozzle, and the detector and the fire-fighting nozzle are integrated with the communication connector into one mounting plate.
In one embodiment, the liquid cooling plate is a profile integrated liquid cooling plate, a stamping liquid cooling plate or a plate fin liquid cooling plate.
In one embodiment, the modules are in a 1P104S module string.
The invention also provides an energy storage battery compartment, which comprises a plurality of liquid cooling energy storage modules which are any one or any combination of any two of the above.
Compared with the prior art, the liquid cooling energy storage module has the following advantages:
1. the integrated liquid cooling plate is directly used as the lower box body, so that the traditional structural box body is omitted, the connection of internal pipelines is omitted, the space is saved, the assembly process is reduced, and the assembly difficulty is reduced;
2. The liquid cooling plate bottom is provided with the rolling bearing, and the horizontal direction removes in the easy to assemble process and makes assembly process operation more convenient effective, and the quick integration of being convenient for has reduced the assembly degree of difficulty.
The above technical features can be combined in various technically feasible ways to create new embodiments as long as the object of the invention is achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of an embodiment which is only non-limiting and with reference to the accompanying drawings. Wherein:
FIG. 1 shows a schematic diagram of a liquid-cooled energy storage module according to the present invention;
FIG. 2 shows a schematic diagram of the interior of the cavity of the liquid-cooled energy storage module of FIG. 1;
FIG. 3 is a schematic diagram showing a top structure of a liquid cooling plate of the liquid cooling energy storage module in FIG. 1;
FIG. 4 is a schematic view showing the structure of the mounting surface of the liquid cooling plate in FIG. 3;
fig. 5 shows a schematic bottom structure of the liquid cooling plate in fig. 3.
In the drawings, like components are denoted by like reference numerals. The figures are not drawn to scale.
Wherein, the reference numerals are as follows:
1. a case cover; 2. a liquid cooling plate; 3. a module; 4. a mounting plate; 5. a water outlet; 6. a water inlet; 7. a liquid cooling energy storage module fixing hole; 8. a power connector; 9. an explosion-proof valve; 10. BMS access opening; 11. a communication connector; 12. fire control shower nozzle; 13. a detector; 14. a module fastening screw; 15. a fuse; 16. the copper bars are connected in series; 17. a hoisting hole; 18. a module mounting beam; 19. a reinforcing beam; 20. and (5) rotating the bearing.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples. It should be noted that, as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
The parts not described in the invention can be realized by adopting or referring to the prior art.
As shown in fig. 1, the invention provides a liquid cooling energy storage module, which comprises a box cover 1 with an open bottom, a module 3 and a liquid cooling plate 2, wherein the liquid cooling plate 2 is in sealing connection with the bottom of the box cover 1, so that a sealed cavity is formed between the liquid cooling plate 2 and the box cover 1, and the module 3 is arranged in the sealed cavity and is fixedly connected with the liquid cooling plate 2.
The liquid cooling energy storage module adopts the liquid cooling plate as the lower box body directly, so that the traditional structural box body is omitted, the weight of the energy storage module is reduced, the internal pipeline connection is omitted, the space is saved, the assembly process is reduced, and the assembly difficulty is reduced. Meanwhile, a large amount of heat can be taken away in a short time by adopting liquid cooling heat dissipation, and the heat dissipation efficiency is high and the stability is good.
In some alternative embodiments, as shown in fig. 3, at least two groups of module mounting beams 18 are provided on the liquid cooling plate 2, and module mounting holes are correspondingly provided on the module mounting beams 18, and the module 3 is fixed on the module mounting beams 18 by module fastening screws 14.
As shown in fig. 2, in some alternative embodiments, a mounting plate 4 is disposed between the front end of the module 3 and the wall of the case cover 1, at least a power connector 8, a communication connector 11 and a BMS are disposed on the mounting plate 4, and a BMS access opening 10 and an aviation plug mounting opening are disposed on the case cover 1 corresponding to the power connector 8, the communication connector 11 and the BMS.
In some alternative embodiments, corresponding to the side where the connector and the BMS are located, the liquid cooling plate 2 is provided with a water inlet 6 and a water outlet 5, the water inlet 6 and the water outlet 5 are respectively located at two ends of the liquid cooling plate 2, and the liquid cooling plate 2 is respectively provided with a liquid cooling energy storage module fixing hole 7 at one side adjacent to the water inlet 6 and the water outlet 5.
In some alternative embodiments, the modules 3 comprise at least 4 sets of modules 3, the modules 3 being connected by series copper bars 16, the primary and negative terminals of the modules 3 being provided with fuses 15.
Preferably, the module installation crossbeam has 3 groups, and 3 group's module crossbeam corresponds fixedly with 4 group's module 3, adopts the mode of middle wall, connects through the copper bar between the module 3 for the module size reduces, has reduced the assembly degree of difficulty.
In some alternative embodiments, as shown in fig. 4, a lifting hole 17 is further formed on the liquid cooling plate 2, so as to facilitate lifting of the liquid cooling energy storage module in the process of transferring and installing. The lifting hole 17 is preferably arranged on one side of the liquid cooling plate 2 adjacent to the water inlet 6 and the water outlet 5 respectively. Preferably, the lifting holes 17 are provided in an even number, symmetrically arranged on both sides of the liquid cooling plate 2, more preferably 8, and 4 on each side.
In some alternative embodiments, as shown in fig. 5, a reinforcing beam 19 for improving the strength of the liquid cooling plate 2 is provided at the bottom of the liquid cooling plate 2, and the reinforcing beam 19 is preferably in a frame shape. The presence of the reinforcing beam 19 can improve the overall strength of the liquid cooling plate 2 and increase the bearing capacity.
In some alternative embodiments, with continued reference to fig. 5, a plurality of rolling bearings 20 are further disposed at the lower part of the installation area of the side of the liquid cooling plate 2 adjacent to the water inlet 6 and the water outlet 5, respectively, and the rolling bearings 20 can facilitate the movement of the liquid cooling energy storage module in the horizontal direction in the installation process, so that the operation in the assembly process is more convenient and effective, and the rapid integration is facilitated.
In some alternative embodiments, the installation area around the liquid cooling plate 2 is further provided with a rivet nut in sealing connection with the case cover 1.
Preferably, the liquid cooling plate 2 is made of aluminum extruded sections and welded by friction stir welding, so that the overall strength of the liquid cooling plate 2 is high, and the flatness effect is good.
In some alternative embodiments, as shown in fig. 1 and 2, a detector 13 and a fire nozzle 12 are further provided on the mounting plate 4. Preferably, the detector 13 and the fire nozzle 12 are integrated with the communication connector 11 in one mounting plate 4. The cover 1 is provided with a mounting opening corresponding thereto.
In some alternative embodiments, the liquid cooling plate is preferably an integrated liquid cooling plate, and the integrated liquid cooling plate is directly used as the lower box body and the box cover in sealing connection, so that a traditional structural box body is omitted, the weight of the energy storage module is reduced, internal pipeline connection is omitted, the assembly space and the assembly process are saved, and the assembly difficulty is reduced.
In other alternative embodiments, the liquid cooling plate 2 may be a stamped liquid cooling plate or a plate fin liquid cooling plate, which is selected according to the specific practical situation.
In some alternative embodiments, the series arrangement of modules 3 is preferably 1P104S. Because the 1P104S liquid cooling module is heavier, the module of this embodiment sets up rolling bearing in the installation region lower part of liquid cooling board, and rolling bearing changes traditional sliding friction into rolling friction and 1P104S module cooperation, has reduced the assembly degree of difficulty of module.
The invention also provides an energy storage battery compartment which comprises a plurality of liquid cooling energy storage modules which are any one or any combination of any two of the above, so that the liquid cooling energy storage module can achieve the beneficial effects, and the energy storage battery compartment can also achieve the beneficial effects.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. In the description of the present invention, the azimuth or positional relationship indicated by the terms "vertical", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and the relative positional relationship may be changed accordingly when the absolute position of the object to be described is changed, and thus the limitation of the present invention cannot be construed.
By now it will be appreciated by those skilled in the art that while the invention has been described with reference to preferred embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (13)

1. The utility model provides a liquid cooling energy storage module, its characterized in that includes the open case lid in bottom, module and liquid cooling board, the liquid cooling board with the bottom sealing connection of case lid makes form sealed cavity between the liquid cooling board with form sealed cavity, the module sets up in the sealed cavity, and with liquid cooling board fixed connection.
2. The liquid cooling energy storage module according to claim 1, wherein at least two groups of module mounting beams are arranged on the liquid cooling plate, module mounting holes are correspondingly arranged on the module mounting beams, and the modules are fixed on the module mounting beams through module fastening screws.
3. The liquid cooling energy storage module of claim 2, wherein a mounting plate is arranged between the front end of the module and the wall of the box cover, at least a power connector, a communication connector and a BMS are arranged on the mounting plate, and a BMS access opening and an aviation plug mounting opening are arranged on the box cover corresponding to the power connector, the communication connector and the BMS.
4. The liquid-cooled energy storage module according to claim 2, wherein a water inlet and a water outlet are formed in the liquid-cooled plate corresponding to the connector and the side where the BMS is located, the water inlet and the water outlet are respectively located at two ends of the liquid-cooled plate, and liquid-cooled energy storage module fixing holes are respectively formed in the liquid-cooled plate at one side adjacent to the water inlet and the water outlet.
5. The liquid cooled energy storage module of claim 2, wherein the modules comprise at least 4 groups of modules, the modules are connected by series copper bars, and a fuse is arranged at a main negative terminal of the modules.
6. The liquid cooling energy storage module of claim 4, wherein the liquid cooling plate is further provided with a lifting hole, and the lifting hole is arranged on one side of the liquid cooling plate adjacent to the water inlet and the water outlet respectively.
7. The liquid-cooled energy storage module of claim 6, wherein a reinforcing beam for improving the overall strength of the liquid-cooled plate is arranged at the bottom of the liquid-cooled plate, and the reinforcing beam is in a frame shape.
8. The liquid-cooled energy storage module of claim 7, wherein a plurality of rotating bearings are arranged at the lower part of the installation area of one side of the liquid-cooled plate adjacent to the water inlet and the water outlet respectively, so as to facilitate the horizontal movement in the installation process.
9. The liquid-cooled energy storage module of claim 8, wherein a rivet nut is provided in the surrounding mounting area of the liquid-cooled plate in sealing connection with the tank cover.
10. The liquid-cooled energy storage module of claim 3, wherein the mounting plate is further provided with a detector and a fire nozzle, the detector and fire nozzle being integrated with the communication connector in a single mounting plate.
11. The liquid-cooled energy storage module of claim 1, wherein the liquid-cooled plate is a profile integrated liquid-cooled plate, a stamped liquid-cooled plate, or a plate-fin liquid-cooled plate.
12. The liquid-cooled energy storage module of claim 4, wherein the series of modules is 1P104S.
13. An energy storage battery compartment comprising a plurality of liquid cooled energy storage modules according to any one of claims 1 to 12.
CN202311584796.5A 2023-11-23 2023-11-23 Liquid cooling energy storage module and energy storage battery compartment Pending CN117936968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311584796.5A CN117936968A (en) 2023-11-23 2023-11-23 Liquid cooling energy storage module and energy storage battery compartment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311584796.5A CN117936968A (en) 2023-11-23 2023-11-23 Liquid cooling energy storage module and energy storage battery compartment

Publications (1)

Publication Number Publication Date
CN117936968A true CN117936968A (en) 2024-04-26

Family

ID=90767382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311584796.5A Pending CN117936968A (en) 2023-11-23 2023-11-23 Liquid cooling energy storage module and energy storage battery compartment

Country Status (1)

Country Link
CN (1) CN117936968A (en)

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