CN217768505U - Integrated liquid cooling battery pack - Google Patents
Integrated liquid cooling battery pack Download PDFInfo
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- CN217768505U CN217768505U CN202221292557.3U CN202221292557U CN217768505U CN 217768505 U CN217768505 U CN 217768505U CN 202221292557 U CN202221292557 U CN 202221292557U CN 217768505 U CN217768505 U CN 217768505U
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- box body
- lower box
- flow cavity
- battery pack
- water inlet
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of battery equipment, in particular to an integrated liquid-cooled battery pack, which comprises a lower box body and an upper box cover, wherein the upper box cover is detachably arranged on the lower box body, and a plurality of battery modules are uniformly placed in the lower box body; a sealing plate is arranged below the mounting beam, the sealing plate and a bottom plate of the lower box body form a flow cavity, the flow cavity comprises a water inlet flow cavity, a water outlet flow cavity and two middle flow cavities, the front end of the lower box body is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the water inlet flow cavity, and the water outlet pipe is communicated with the water outlet flow cavity; the utility model has the advantages that the water inlet and the water outlet are directly output, no pipeline and no joint are arranged in the battery pack, and the risk of liquid leakage in the battery pack is avoided; the flow cavity is integrated in the cover plate and the bottom plate of the lower box body, so that the height space utilization rate of the battery pack is improved.
Description
Technical Field
The utility model relates to a battery equipment technical field, concretely relates to integrated form liquid cooling battery package.
Background
The power battery system is used as a core component of the electric automobile, and the safety and the reliability of the power battery system directly influence the performance of the whole electric automobile. The mature heat management technology of a battery system in the industry at present is that a battery box and a liquid cooling plate are independent components, the liquid cooling plate is installed at the bottom of the battery box, the liquid cooling plate in the battery box is connected through a pipeline, and the battery box and the liquid cooling plate are also connected through a pipeline; meanwhile, the liquid cooling plates are arranged and installed, the space of the battery box is occupied by the pipeline connection, the utilization rate of the space of the battery box is low, and the liquid cooling plates, the box body, the pipelines and other parts are multiple, so that the weight is large, the energy density of a system is low, and the cost is high.
Disclosure of Invention
According to the problem that the background art provided, the utility model provides an integrated form liquid cooling battery package solves, it is right next the utility model discloses do further to explain.
An integrated liquid-cooled battery pack comprises a lower box body and an upper box cover, wherein the upper box cover is detachably arranged on the lower box body, and a plurality of battery modules are uniformly placed in the lower box body;
the lower box body is internally provided with two mounting beams for mounting the battery module, a sealing plate is arranged below the mounting beams, the sealing plate and a bottom plate of the lower box body form a flow cavity, the flow cavity comprises a water inlet cavity, a water outlet cavity and two intermediate flow cavities, the front end of the lower box body is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the water inlet cavity, and the water outlet pipe is communicated with the water outlet cavity;
first partition plates are arranged between the water inlet cavity and the upper end intermediate flow cavity and between the water outlet cavity and the lower end intermediate flow cavity, one end of each first partition plate is fixedly connected with the inner side of the front end of the lower box body, and a gap is formed between the other end of each first partition plate and the inner side of the rear end of the lower box body; a second partition plate is arranged between the two intermediate flow cavities, one end of the second partition plate is fixedly connected with the inner side of the rear end of the lower box body, and a gap is also formed between the other end of the second partition plate and the inner side of the front end of the lower box body;
preferably, a third partition plate is arranged between the water inlet flow cavity, the water outlet flow cavity and the two middle flow cavities, and gaps also exist between two ends of the third partition plate and two sides of the lower box body;
preferably, the width of the water inlet flow cavity is consistent with that of the water outlet flow cavity, and the width of the water inlet flow cavity is smaller than that of the intermediate flow cavity;
preferably, equal potential columns are arranged at two ends of side plates at two sides of the lower box body, and a plurality of hoisting lugs are uniformly arranged between the two equal potential columns;
preferably, a base plate is arranged on one side of the hoisting lug, and a mounting hole is formed in the base plate;
preferably, the lower ends of the inner sides of the side plates at two sides of the lower box body are thickened;
preferably, a plurality of ribs are uniformly arranged at the bottom of the lower box body, and the bottom of the lower box body except the ribs is sprayed with a foaming material with low thermal conductivity;
preferably, three battery modules are placed in the lower box body;
preferably, the battery module comprises uniformly stacked single batteries, end plates are fixedly arranged at two ends of each single battery, the end plates and the single batteries are fixed through packing belts, and a cover plate is arranged above the single batteries; hoisting grooves are formed in the two sides of the front end of the end plate, and hoisting holes are formed above the hoisting grooves;
preferably, a sealing strip is arranged between the upper box cover and the lower box body;
has the advantages that: compared with the prior art, the utility model has the advantages that the water inlet and the water outlet are directly output, no pipeline and no joint are arranged in the battery pack, and the risk of liquid leakage in the battery pack is avoided; the flow cavity is integrated in the cover plate and the bottom plate of the lower box body, so that the height space utilization rate of the battery pack is improved; a plurality of liquid cooling parts are reduced, the volume utilization rate of the battery pack is improved, the weight of the battery pack is reduced, and the cost of a battery system is reduced; in the production and manufacturing process, the flow cavity is integrated with the bottom of the lower box body, so that the production and assembly time is saved, the production efficiency is improved, and the manufacturing cost is reduced;
drawings
FIG. 1: the utility model has a schematic structure;
FIG. 2: the structure of the lower box body of the utility model is schematically shown;
FIG. 3: the utility model is shown in the schematic top view of FIG. 2;
FIG. 4: the structure of the section A-A of the utility model is shown schematically;
FIG. 5: the structure of the B-B section of the utility model is shown schematically;
FIG. 6: the utility model discloses a schematic diagram of a battery module structure;
FIG. 7: the end plate structure of the utility model is schematically shown;
FIG. 8: the other structure schematic diagram of the lower box body of the utility model;
in the figure: the device comprises a lower box body 1, a mounting beam 11, a sealing plate 12, a water inlet cavity 13, a water outlet cavity 14, a middle flow cavity 15, a first partition plate 151, a second partition plate 152, a third partition plate 153, a water inlet pipe 16, a water outlet pipe 17, a hoisting lug 18, an equipotential column 19, a backing plate 191, ribs 192, an upper box cover 2, a battery module 3, a single battery 31, an end plate 32, a packing belt 33, a cover plate 34, a hoisting groove 35, a hoisting hole 36 and a sealing strip 4;
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to fig. 1-8.
An integrated liquid-cooled battery pack comprises a lower box body 1 and an upper box cover 2, wherein the upper box cover 2 is detachably arranged on the lower box body 1, and a sealing strip 4 is arranged between the upper box cover 2 and the lower box body 1, so that the sealing performance of the whole battery pack is ensured; a plurality of battery modules 3 are uniformly placed in the lower box body 1, in this embodiment, three battery modules 3 are placed in the lower box body 1;
two mounting beams 11 for mounting the battery module 3 are arranged in the lower box body 1, a sealing plate 12 is arranged below the mounting beams 11, the sealing plate 12 and a bottom plate of the lower box body 1 form a flow cavity, the flow cavity comprises a water inlet cavity 13, a water outlet cavity 14 and two intermediate flow cavities 15, a water inlet pipe 16 and a water outlet pipe 17 are arranged at the front end of the lower box body 1, the water inlet pipe 16 is communicated with the water inlet cavity 13, and the water outlet pipe 17 is communicated with the water outlet cavity 14;
in order to form an S-shaped flow path in the flow cavity and improve the strength and rigidity of the bottom of the battery box body; first partition plates 151 are arranged between the water inlet flow cavity 13 and the intermediate flow cavity 15 at the upper end and between the water outlet flow cavity 14 and the intermediate flow cavity 15 at the lower end, one end of each first partition plate 151 is fixedly connected with the inner side of the front end of the lower box body 1, and a gap is formed between the other end of each first partition plate 151 and the inner side of the rear end of the lower box body 1; a second partition plate 152 is arranged between the two intermediate flow cavities 15, one end of the second partition plate 152 is fixedly connected with the inner side of the rear end of the lower box body 1, and a gap is also formed between the other end of the second partition plate 152 and the inner side of the front end of the lower box body 1;
the width of the water inlet flow cavity 13 is consistent with that of the water outlet flow cavity 14, and the width of the water inlet flow cavity 13 is smaller than that of the intermediate flow cavity 15; as can be known from a conventional theory, the temperature of the cooling liquid flowing in from the water inlet pipe 16 is lower than that of the intermediate flow cavity 15, so that the flow velocity of the cooling liquid flowing in from the water inlet pipe 16 in the water inlet flow cavity 13 is higher, then the flow velocity in the intermediate flow cavity 15 is lower, the heat exchange time of the battery module is longer, and after the heat exchange is completed, the cooling liquid flows out from the water outlet flow cavity 14 to the water outlet pipe 17 faster, so that the overall heat dissipation effect and the heat dissipation uniformity of the battery pack are ensured, and the temperature difference of the battery module in the battery pack can be controlled within 5 degrees;
the battery pack fixing device is characterized in that equal potential posts 19 are arranged at two ends of side plates at two sides of the lower box body 1, a plurality of hoisting lugs 18 are uniformly arranged between the equal potential posts 19, the hoisting lugs 18 are used for hoisting a battery pack, a base plate 191 is arranged at one side of each hoisting lug 18, a mounting hole is formed in each base plate 191, and the battery pack and a fixing surface are fixedly mounted through the mounting holes;
the lower ends of the inner sides of the side plates on the two sides of the lower box body 1 are thickened, so that on one hand, a battery module is more compactly installed, and on the other hand, the strength of the side plates on the two sides of the lower box body 1 is enhanced;
a plurality of ribs 192 are uniformly arranged at the bottom of the lower box body 1, so that the bottom surface of the box body is prevented from directly contacting with an installation surface in the installation process of the battery pack, and the bottom surface of the battery pack is prevented from being damaged; the bottom of the lower box body 1 except the ribs 192 is sprayed with a foaming material with low thermal conductivity, so that the whole battery pack is insulated, the influence of thermal radiation on a cooling effect is prevented, and the liquid cooling performance of the battery pack is improved;
the battery module 3 comprises uniformly stacked single batteries 31, end plates 32 are fixedly arranged at two ends of each single battery 31, the end plates 32 and the single batteries 31 are fixed through packing belts 33, and a cover plate 34 is arranged above each single battery 31; in order to facilitate hoisting of the battery module 3, hoisting grooves 35 are formed in two sides of the front end of the end plate 32, hoisting holes 36 are formed above the hoisting grooves 35, a hoisting tool is inserted into the hoisting holes 36, and a hook of the hoisting tool hooks the upper ends of the hoisting grooves 35, so that the battery module 3 is hoisted;
compared with the prior art, the utility model has the advantages that the water inlet and the water outlet are directly output, no pipeline and no joint are arranged in the battery pack, and the risk of liquid leakage in the battery pack is avoided; the flow cavity is integrated in the cover plate and the bottom plate of the lower box body, so that the height space utilization rate of the battery pack is improved; a plurality of liquid cooling parts are reduced, the volume utilization rate of the battery pack is improved, the weight of the battery pack is reduced, and the cost of a battery system is reduced; in the production and manufacturing process, the flow cavity is integrated with the bottom of the lower box body, so that the production and assembly time is saved, the production efficiency is improved, and the manufacturing cost is reduced;
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An integrated form liquid cooling battery package which characterized in that: the battery pack comprises a lower box body (1) and an upper box cover (2), wherein the upper box cover (2) is detachably arranged on the lower box body (1), and a plurality of battery modules (3) are uniformly arranged in the lower box body (1);
the battery module structure is characterized in that two mounting beams (11) for mounting the battery module (3) are arranged in the lower box body (1), a sealing plate (12) is arranged below the mounting beams (11), the sealing plate (12) and a bottom plate of the lower box body (1) form a flow cavity, the flow cavity comprises a water inlet flow cavity (13), a water outlet flow cavity (14) and two intermediate flow cavities (15), a water inlet pipe (16) and a water outlet pipe (17) are arranged at the front end of the lower box body (1), the water inlet pipe (16) is communicated with the water inlet flow cavity (13), and the water outlet pipe (17) is communicated with the water outlet flow cavity (14);
first partition plates (151) are arranged between the water inlet flow cavity (13) and the middle flow cavity (15) at the upper end and between the water outlet flow cavity (14) and the middle flow cavity (15) at the lower end, one end of each first partition plate (151) is fixedly connected with the inner side of the front end of the lower box body (1), and a gap is formed between the other end of each first partition plate and the inner side of the rear end of the lower box body (1); a second partition plate (152) is arranged between the two intermediate flow cavities (15), one end of the second partition plate (152) is fixedly connected with the inner side of the rear end of the lower box body (1), and a gap is also formed between the other end of the second partition plate and the inner side of the front end of the lower box body (1).
2. The integrated liquid-cooled battery pack of claim 1, wherein: the water inlet flow cavity (13), the water outlet flow cavity (14) and the two middle flow cavities (15) are respectively provided with a third partition plate (153) in the middle, and two ends of the third partition plate (153) are respectively provided with a gap on two sides of the lower box body (1).
3. The integrated liquid-cooled battery pack of claim 1, wherein: the width of the water inlet flow cavity (13) is consistent with that of the water outlet flow cavity (14), and the width of the water inlet flow cavity (13) is smaller than that of the intermediate flow cavity (15).
4. The integrated liquid-cooled battery pack of claim 1, wherein: equal potential posts (19) are arranged at two ends of side plates at two sides of the lower box body (1), and a plurality of hoisting lugs (18) are uniformly arranged between the equal potential posts (19).
5. The integrated liquid-cooled battery pack of claim 4, wherein: a base plate (191) is arranged on one side of the hoisting lug (18), and a mounting hole is formed in the base plate (191).
6. The integrated liquid-cooled battery pack of claim 1, wherein: and the lower ends of the inner sides of the side plates on the two sides of the lower box body (1) are thickened.
7. The integrated liquid-cooled battery pack of claim 1, wherein: a plurality of ribs (192) are uniformly arranged at the bottom of the lower box body (1), and foaming materials with low thermal conductivity are sprayed on the bottom of the lower box body (1) except the ribs (192).
8. The integrated liquid-cooled battery pack of claim 1, wherein: three battery modules (3) are placed in the lower box body (1).
9. The integrated liquid-cooled battery pack of claim 8, wherein: the battery module (3) comprises uniformly stacked single batteries (31), end plates (32) are fixedly arranged at two ends of each single battery (31), the end plates (32) and the single batteries (31) are fixed through packing belts (33), and cover plates (34) are arranged above the single batteries (31); hoisting grooves (35) are formed in two sides of the front end of the end plate (32), and hoisting holes (36) are formed above the hoisting grooves (35).
10. The integrated liquid-cooled battery pack of claim 1, wherein: and a sealing strip (4) is arranged between the upper box cover (2) and the lower box body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221292557.3U CN217768505U (en) | 2022-05-26 | 2022-05-26 | Integrated liquid cooling battery pack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221292557.3U CN217768505U (en) | 2022-05-26 | 2022-05-26 | Integrated liquid cooling battery pack |
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CN217768505U true CN217768505U (en) | 2022-11-08 |
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CN202221292557.3U Active CN217768505U (en) | 2022-05-26 | 2022-05-26 | Integrated liquid cooling battery pack |
Country Status (1)
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CN (1) | CN217768505U (en) |
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2022
- 2022-05-26 CN CN202221292557.3U patent/CN217768505U/en active Active
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Effective date of registration: 20230210 Address after: No. 1, Zhuyi Road, Bailu Science Park, High-tech Industrial Development Zone, Yingtan City, Jiangxi Province, 335000 Patentee after: Yingtan Yaoning New Energy Technology Co.,Ltd. Address before: No. 128, Xingye Avenue, Shangrao economic and Technological Development Zone, Shangrao City, Jiangxi Province Patentee before: JIANGXI ANC NEW ENERGY TECHNOLOGY Co.,Ltd. |