CN215771341U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
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- CN215771341U CN215771341U CN202121980833.0U CN202121980833U CN215771341U CN 215771341 U CN215771341 U CN 215771341U CN 202121980833 U CN202121980833 U CN 202121980833U CN 215771341 U CN215771341 U CN 215771341U
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- liquid cooling
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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 discloses a battery pack and a vehicle. The battery pack comprises a box body, and a battery pack and a liquid cooling assembly which are arranged in the box body. The liquid cooling assembly is disposed above and/or below the battery pack. The liquid cooling assembly comprises a first liquid cooling pipe, a second liquid cooling pipe and a plurality of liquid cooling plug-in units fixed between the first liquid cooling pipe and the second liquid cooling pipe. Each of the liquid cooling inserts is removably connected to the first liquid cooling tube and the second liquid cooling tube. Each liquid cooling plug-in unit comprises a liquid cooling plate and a third liquid cooling pipe attached to the liquid cooling plate. The third liquid cooling pipe is communicated with the first liquid cooling pipe and the second liquid cooling pipe. By adopting the battery pack, the increase and decrease of the number of the liquid cooling plug-in units can be realized so as to adapt to the battery packs with different mileage designs, and the battery packs with different mileage do not need to rely on the development of a new cold plate mold, thereby reducing the production cost.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery pack and a vehicle.
Background
With the rapid development of the field of electric automobiles, the use of power batteries is more and more extensive. The power battery can produce great heat at the charge-discharge in-process for the battery package is inside to appear high temperature and influence the life of battery, even appears the thermal runaway and takes place the incident. Therefore, heat management and thermal safety of the power battery are receiving more and more attention.
The temperature of the battery pack is reduced by additionally arranging liquid cooling structures such as a liquid cooling plate and a liquid cooling pipe in the conventional battery pack. However, the liquid cooling plate and the liquid cooling pipes are connected together by welding, and the liquid cooling pipes are arranged on two sides of the liquid cooling plate, so that the battery pack is not easy to assemble and disassemble. In addition, the production of different mileage battery packs must rely on developing different specifications of cold plate molds, thereby increasing production costs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery pack and a vehicle, which are convenient to disassemble and assemble and low in production cost.
In a first aspect, an embodiment of the present invention provides a battery pack, including a box, and a battery pack and a liquid cooling assembly that are disposed in the box, where the liquid cooling assembly is disposed above and/or below the battery pack, the liquid cooling assembly includes a first liquid cooling pipe, a second liquid cooling pipe, and a plurality of liquid cooling plug-in units that are fixed between the first liquid cooling pipe and the second liquid cooling pipe, each of the liquid cooling plug-in units is detachably connected to the first liquid cooling pipe and the second liquid cooling pipe, each of the liquid cooling plug-in units includes a liquid cooling plate and a third liquid cooling pipe that is attached to the liquid cooling plate, and the third liquid cooling pipe is communicated with the first liquid cooling pipe and the second liquid cooling pipe.
In a second aspect, an embodiment of the present invention provides a vehicle including the battery pack as described above.
According to the battery pack and the vehicle provided by the embodiment of the utility model, based on the plurality of detachable liquid cooling plug-ins between the first liquid cooling pipe and the second liquid cooling pipe, the increase and decrease of the number of the liquid cooling plug-ins can be realized so as to adapt to battery packs with different mileage designs, and the battery packs with different mileage do not need to rely on the development of a new cold plate mold, so that the production cost is reduced. In addition, each liquid cooling plug-in components include the liquid cooling board with paste connect in third liquid cooling pipe on the liquid cooling board, third liquid cooling pipe with first liquid cooling pipe reaches second liquid cooling pipe is linked together to the cooling efficiency to the group battery has further been promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vehicle according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a battery pack of the vehicle in fig. 1.
Fig. 3 is an exploded view of the battery pack of fig. 2.
Fig. 4 is an exploded view of a first embodiment of a portion of the liquid cooling assembly of the battery pack of fig. 2.
Fig. 5 is an exploded view of a second embodiment of a portion of the liquid cooling assembly of the battery pack of fig. 2.
Fig. 6 is an enlarged view of a first embodiment of a liquid cooling insert of the liquid cooling assembly of the battery pack of fig. 4.
Fig. 7 is an enlarged view of a second embodiment of a liquid cooling insert of the liquid cooling assembly of the battery pack of fig. 4.
Fig. 8 is an enlarged view of a third embodiment of a liquid cooling insert of the liquid cooling assembly of the battery pack of fig. 4.
Description of the main elements
Accommodating space 101
Battery pack 20
First liquid-cooled tube 31
Second liquid-cooled tube 33
Liquid cooling insert 35
Third liquid-cooled tube 34
Liquid-cooled single tubes 345A, 345B
Connecting pipe 350
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is understood that the terminology used in the description and claims of the present application and the accompanying drawings is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. The singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The term "comprises" and any variations thereof is intended to cover non-exclusive inclusions. Further, the present application may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided for the purpose of providing a more thorough understanding of the present disclosure, and the words used to indicate orientation above, below, left and right are used solely to describe the illustrated structure in the context of the corresponding figures.
While the specification concludes with claims describing preferred embodiments of the present application, it is to be understood that the above description is made only for the purpose of illustrating the general principles of the present application and is not intended to limit the scope of the present application. The protection scope of the present application shall be subject to the definitions of the appended claims.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to an embodiment of the present disclosure. The vehicle 1000 includes a vehicle body 100 and a battery pack 200 provided on the vehicle body 100. The battery pack 200 is provided with a mounting seat 201. The battery pack 200 is fixedly attached to the vehicle body 100 by the mounting base 201. Specifically, the battery pack 200 is welded or locked to the chassis of the vehicle body 100 via the mount 201. The vehicle 1000 may be, but is not limited to, an electric automobile, an electric motorcycle, or the like using a power battery.
It should be noted that fig. 1 is only an example of the vehicle 1000, and does not limit the vehicle 1000, and the vehicle 1000 may include more or less components than those shown in fig. 1, or combine some components, or different components, for example, the vehicle 1000 may further include a motor, a controller, an on-board device, and the like.
Referring to fig. 2 and fig. 3 together, fig. 2 is a schematic structural diagram of a battery pack 200 according to an embodiment of the present disclosure; fig. 3 is an exploded view of the battery pack 200. The battery pack 200 includes a case 10, and a battery pack 20 and a liquid cooling assembly 30 disposed in the case 10. The liquid cooling assembly 30 is disposed above and/or below the battery pack 20. The liquid cooling assembly 30 includes a first liquid cooling tube 31, a second liquid cooling tube and a plurality of liquid cooling inserts secured between the first liquid cooling tube 31 and the second liquid cooling tube 33. Each liquid cooling insert 35 is removably connected to the first liquid cooling tube 31 and the second liquid cooling tube 33. Each fluid cooling insert 35 includes a fluid cooling plate and a third fluid cooling tube 34 attached to the fluid cooling plate 32. The third liquid-cooling pipe 34 communicates with the first liquid-cooling pipe 31 and the second liquid-cooling pipe 33.
The case 10 includes a case body 11 and a case cover 12 covering the case body 11, so as to prevent the surface of the liquid cooling module 30 in the case 10 from contacting with the outside air to form water mist, which affects the service life and safety of the battery pack 200. The case body 11 and the case cover 12 together enclose a housing space 101 for housing the battery pack 20 and the liquid cooling unit 30. The box body 11 is fixed with the box cover 12. The box body main body 11 and the box cover 12 can be fixedly connected together in a screwing mode, a clamping mode, a welding mode, an adhesion mode and the like; alternatively, the box body 11 and the box cover 12 may be fixedly connected together by a mounting structure.
In the present embodiment, the battery pack 20 is fixedly mounted in the case main body 11. The battery pack 20 may be fixedly attached inside the case body 11 by gluing. The battery pack 20 may be mounted in the case body 11 by fastening, screwing, or the like. The liquid cooling assembly 30 is disposed on a side of the battery pack 20 away from the case body 11, that is, the liquid cooling assembly 30 is disposed above the battery pack 20. In other embodiments, the liquid cooling assembly 30 may also be disposed on a side of the battery pack 20 close to the box body 11, that is, the liquid cooling assembly 30 is disposed below the battery pack 20; alternatively, the liquid cooling assemblies 30 may be disposed on both opposite sides of the battery pack 20. So through be provided with liquid cooling subassembly 30 in battery package 200 to can realize cooling down battery pack 20, and then improve battery package 200's life and safety in utilization.
Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a liquid cooling assembly 30 according to a first embodiment of the present application, and fig. 5 is a schematic structural diagram of a liquid cooling assembly 30 according to a second embodiment of the present application. The length of the liquid cooling assembly 30 is adjustable to accommodate battery packs 200 of different mileage. Specifically, first liquid-cooled tube 31 and second liquid-cooled tube 33 each include a plurality of bus segments 301, each bus segment 301 being removably connected to a respective liquid-cooled insert 35, and plurality of bus segments 301 of first liquid-cooled tube 31 and plurality of bus segments 301 of second liquid-cooled tube 33 being integrally formed or removably fixedly connected together. The first liquid cooling pipe 31, the second liquid cooling pipe 33 and the liquid cooling insert 35 of the liquid cooling module 30 are made of metal materials. The metal is preferably an alloy material, such as an aluminum alloy. It can be understood that the materials of the liquid cooling system in the battery industry can be applied to the present application, and detailed description is not repeated in the present application.
As shown in fig. 4, the first liquid-cooling pipe 31 and the second liquid-cooling pipe 33 are each an integrally formed, unitary structure. Specifically, a plurality of the confluence sections of the first liquid-cooling pipe 31 and a plurality of the confluence sections of the second liquid-cooling pipe 33 are formed integrally, so that the leakage of the liquid-cooling medium is greatly reduced, and the total flow of the liquid-cooling medium flowing in the first liquid-cooling pipe 31 and the second liquid-cooling pipe 33 is improved. The lengths of the first liquid cooling pipe 31 and the second liquid cooling pipe 33 may be designed according to the length of the battery pack, and the present application is not particularly limited.
As shown in fig. 5, the plurality of confluence sections 301 of the first liquid-cooling pipe 31 and the plurality of confluence sections 301 of the second liquid-cooling pipe 33 are detachably and fixedly connected together, so that the lengths of the first liquid-cooling pipe 31 and the second liquid-cooling pipe 33 can be adjusted to adapt to battery packs with different mileage. It is understood that the length of the battery pack varies according to the variation of different mileage, and generally, the larger the mileage, the longer the length of the battery pack. The plurality of confluence sections 301 of the first liquid-cooling pipe 31 and the plurality of confluence sections 301 of the second liquid-cooling pipe 33 can be connected together by inserting, screwing or sealing.
Optionally, the bus bar section 301 of the first liquid-cooling tube 31 and the bus bar section 301 of the second liquid-cooling tube may form one liquid-cooling unit with the corresponding liquid-cooling plug 35, and the liquid-cooling assembly 30 is formed by splicing a plurality of the liquid-cooling units. In some embodiments, the third liquid-cooled tube 34 of the liquid-cooled insert 35 may be integrally formed with the bus bar section 301 of the first liquid-cooled tube 31 and the bus bar section 301 of the second liquid-cooled tube, so as to facilitate assembly and avoid leakage of the liquid-cooled medium. The third liquid-cooled tube 34 of the liquid-cooled insert 35 may also be detachably connected to the bus bar 301 of the first liquid-cooled tube 31 and the bus bar 301 of the second liquid-cooled tube, thereby facilitating maintenance or replacement of the liquid-cooled insert 35.
The first liquid cooling pipe 31 and the second liquid cooling pipe 33 are both provided with a plurality of installation pipes 302 which are arranged at intervals in a protruding mode, and two ends of the third liquid cooling pipe 34 are provided with two connecting pipes 350 which are correspondingly and hermetically connected with the two installation pipes 302. Optionally, several mounting pipes 302 are located at the same height on the first liquid-cooled pipe 31 and the second liquid-cooled pipe 33. Therefore, the assembly tolerance of the first liquid cooling pipe 31 and the second liquid cooling pipe 33 and the liquid cooling plug-in unit 35 is reduced, so that the effective contact between the battery pack 20 and the liquid cooling plug-in unit 35 is improved, the risk of liquid leakage inside the battery pack 200 caused by high-frequency vibration when a vehicle runs on a bumpy road section or is suddenly braked and goes out is avoided, and the safety of the battery pack 200 is further improved. The first liquid-cooling pipe 31 is further provided with a liquid inlet 3101 for the liquid cooling medium to enter, and the second liquid-cooling pipe 33 is provided with a liquid outlet 3301 for the liquid cooling medium to enter and exit. Alternatively, the liquid inlets 3101 and 3101 are disposed on the same side of the liquid cooling assembly 30, thereby reducing the space occupied by the liquid cooling assembly 30 in the battery pack 200.
The two connecting pipes 350 of each liquid cooling plug-in unit 35 are respectively and correspondingly connected with the mounting pipe 302 arranged on the first liquid cooling pipe 31 and the mounting pipe 302 arranged on the second liquid cooling pipe 33 in a sealing manner. Specifically, the mounting tube 302 is sealingly connected to the connecting tube 350 by the seal 36; alternatively, the mounting tube 302 is hermetically embedded in the connecting tube 350; alternatively, the connection tube 350 is sealingly embedded in the mounting tube 302. In this embodiment, the sealing member 36 is a nut, the mounting tube 302 and the connecting tube 350 are screwed with the nut, and the mounting tube 302 and the connecting tube 350 are in sealed butt joint, so that the manufacturing process of the mounting tube 302 and the connecting tube 350 is simplified, and the assembly is convenient. Specifically, the outer surfaces of the mounting pipe 302 and the connection pipe 350 are provided with external threads, and the nut is provided with internal threads threadedly coupled with the external threads.
Optionally, each connecting pipe 350 is exposed relative to the corresponding liquid cooling plate 32, and the liquid cooling plate 32 is arranged at an interval with the first liquid cooling pipe 31 and the second liquid cooling pipe 33, so that the assembly tolerance of the first liquid cooling pipe 31 and the second liquid cooling pipe 33 and the liquid cooling plug-in unit 35 is reduced, the interference between the liquid cooling plate 32 and the first liquid cooling pipe 31 and the second liquid cooling pipe 33 during assembly is avoided, and the assembly efficiency and the connection reliability are improved.
Referring again to fig. 4, the plurality of fluid cooling inserts 35 are arranged in a single row and multiple columns and spaced apart from each other to reduce assembly tolerances of the first and second fluid cooling tubes 31, 33 and the fluid cooling inserts 35. In some embodiments, the plurality of liquid cooled inserts 35 may also be arranged in a single row and multiple columns and disposed adjacent to one another.
Optionally, the battery pack 200 further includes a number of temperature equalization plates 40. The plurality of temperature equalizing plates 40 are arranged between the battery pack 20 and the plurality of liquid cooling plug-in units 35, and each temperature equalizing plate 40 and the corresponding liquid cooling plate 32 are stacked, so that the cells in the plurality of battery packs 20 are balanced in temperature, the overlarge temperature difference among a plurality of cells is avoided, and the use safety of the battery pack 200 is improved. Optionally, the projection of the vapor chamber 40 on the liquid cooling plate 32 overlaps the liquid cooling plate 32. The vapor chamber 40 is fixedly coupled between the liquid-cooled plate 32 and the battery pack 20. The temperature equalizing plate 40 can be fixedly connected with the liquid cooling plate 32 and the battery pack 20 through heat conducting glue. The vapor chamber 40 may also be fixedly connected to the cold plate 32 and the battery pack 20 via mounting elements.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a first embodiment of a liquid cooling insert 35 according to the present application. In the present embodiment, the third liquid-cooled tube 34 is constructed in a fractal tree structure. The third liquid-cooled tube 34 further includes two sets of at least one branch tubes 341 communicating with the two corresponding connecting tubes 350, and the two sets of at least one branch tubes 341 are arranged in mirror symmetry. Wherein each branch tube 341 includes a first branch section 342 and a second branch section 344 connecting the first branch section 342. The first branch section 342 extends in the same direction as the connection pipe 350 and in a different direction from the second branch section 344. The first branch section 342 and the second branch section 344 of the branch pipe 341 of the same stage form an angle. The included angle is a right angle or an obtuse angle, so that the liquid cooling medium rapidly flows from the branch pipe 341 to the connection pipe 350. Each branch pipe 341 is substantially L-shaped. The first branch section 342 and the second branch section 344 of the branch pipe 341 of the same stage are connected in a smooth transition manner, so that the smoothness of the flow passage of the liquid cooling medium in the third liquid cooling pipe 34 is improved, and the liquid cooling efficiency is improved.
All the first branch sections 342 of the same stage branch 341 are arranged in a single row and multiple columns and are arranged in parallel to each other, and the first branch sections 342 of different stage branches 341 are arranged staggered. All of the second branch segments 344 of the same stage branch 341 are arranged in a single row of multiple rows and arranged parallel to each other. The second branch sections 344 of the different stage branches 341 are different in length. Specifically, the length of the second branch section 344 gradually decreases from the connection pipe 350 toward a direction away from the connection pipe 350. The first branch section 342 of the upper stage serves as a connection pipe of the branch pipe 341 of the lower stage.
In the present embodiment, the third liquid-cooled tube 34 includes a two-stage branch tube 341 communicating with the connection tube 350. The two-stage branch pipe 341 includes a first-stage branch pipe 341A and a second-stage branch pipe 342B. The first-stage branch pipe 341A is connected to the connecting pipe 350, and the second-stage branch pipe 341B is connected to an end of the first branch pipe 341A remote from the connecting pipe 350. The first branch pipe 341A and the connection pipe 350 form a Y-shaped first flow passage. The second-stage branch pipe B forms an annular second flow passage. The first flow passage is communicated with the second flow passage. In other embodiments, the third liquid-cooled tube 34 includes one or more stages of branch tubes in communication with the connecting tube 350.
Referring to fig. 7 and 8, fig. 7 is a schematic structural diagram of a liquid cooling insert 35A according to a second embodiment of the present application, and fig. 5 is a schematic structural diagram of a liquid cooling insert 35B according to a third embodiment of the present application. In some embodiments, the third liquid-cooled tube 34 is configured as a single tube structure. As shown in fig. 7, the third liquid-cooled pipe 34 further includes a liquid-cooled single pipe 345A communicating with the corresponding two connection pipes 350. The liquid-cooled single pipe 345A extends in the same direction as the connecting pipe 350. The diameter of the liquid cooling single pipe 345A is larger than that of the connecting pipe 350, so that the contact area between the cooling cold pipe 345A and the liquid cooling plate 32 is increased, and the cooling efficiency of the battery pack 20 is improved.
Referring to fig. 5 and 8, in another embodiment, the liquid-cooled single tubes 345B are coiled on the liquid-cooled plate 32 in a predetermined shape. The preset shape may be a regular shape or an irregular shape, and the regular shape may be an S-shape, a C-shape, etc., and the present application is not particularly limited. Optionally, the liquid-cooling single pipe 345B is wound on the liquid-cooling plate 32 in an S-shape along a first direction or a second direction, wherein the first direction is a direction from the first liquid-cooling pipe 31 to the second liquid-cooling pipe 33, and the second direction is perpendicular to the second direction.
It should be noted that the third liquid-cooled tube 34 may be configured for different thermal management objectives. In addition, the shapes and sizes of the first liquid-cooling pipe 31, the second liquid-cooling pipe 33, and the third liquid-cooling pipe 34 may be designed according to actual situations, and the present application is not particularly limited.
Referring to fig. 1 to 8, in operation, a liquid cooling medium enters the first liquid cooling pipe 31 from the liquid inlet 3101 of the first liquid cooling pipe 31, then flows through the mounting pipe 302 arranged on the first liquid cooling pipe 31, the connecting pipe 350 arranged on the third liquid cooling pipe 34 and close to the first liquid cooling pipe 31, the third liquid cooling pipe 34, the connecting pipe 350 arranged close to the second liquid cooling pipe 33, and the mounting pipe 302 arranged on the second liquid cooling pipe 33 in sequence, finally enters the second liquid cooling pipe 33, and flows out from the liquid outlet 3301 arranged on the second liquid cooling pipe 33, thereby realizing the flow of the cooling medium. The cold source that the cooling medium produced transmits to liquid cooling plate 32 and temperature-uniforming plate 40 in proper order and conducts to the surface of group battery 20, and the heat source that group battery 20 produced transmits to temperature-uniforming plate 40 and liquid cooling plate 32 in proper order and conducts to third liquid-cooled tube 33 to realized cooling group battery 20, and then improved the safety in utilization and the life-span of group battery 20.
The battery pack and the vehicle provided by the embodiment of the utility model are based on the plurality of liquid cooling plug-ins which are detachable between the first liquid cooling pipe and the second liquid cooling pipe, so that the increase and decrease of the number of the liquid cooling plug-ins can be realized, namely, the length of the liquid cooling plug-ins can be adjusted to adapt to battery packs with different mileage designs, and the battery packs with different mileage do not need to rely on the development of new cold plate molds, so that the production cost is reduced. In addition, each liquid cooling plug-in components include the liquid cooling board with paste connect in third liquid cooling pipe on the liquid cooling board, third liquid cooling pipe with first liquid cooling pipe reaches second liquid cooling pipe is linked together to the cooling efficiency to the group battery has further been promoted.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in view of the above, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a battery pack, includes the box and sets up group battery and liquid cooling subassembly in the box, its characterized in that, the liquid cooling subassembly sets up the top and/or the below of group battery, the liquid cooling subassembly includes first liquid cooling pipe, second liquid cooling pipe and is fixed in first liquid cooling pipe with a plurality of liquid cooling plug-ins between the second liquid cooling pipe, each liquid cooling plug-in components detachably connect in first liquid cooling pipe with second liquid cooling pipe, each liquid cooling plug-in components include the liquid cooling board and paste connect in third liquid cooling pipe on the liquid cooling board, third liquid cooling pipe with first liquid cooling pipe reaches second liquid cooling pipe is linked together.
2. The battery pack of claim 1, wherein the first liquid-cooled tube and the second liquid-cooled tube each comprise a plurality of bus segments, each of the bus segments being removably connected to a respective liquid-cooled insert, the plurality of bus segments of the first liquid-cooled tube and the plurality of bus segments of the second liquid-cooled tube being integrally formed or removably fixedly connected together.
3. The battery pack according to claim 1, wherein the first liquid-cooling tube and the second liquid-cooling tube are each provided with a plurality of mounting tubes arranged at intervals in a protruding manner, and two ends of the third liquid-cooling tube are provided with two connecting tubes which are correspondingly and hermetically connected with the two corresponding mounting tubes.
4. The battery pack according to claim 3, wherein the mounting tube is sealingly connected to the connection tube by a sealing member; or the mounting pipe is embedded in the connecting pipe in a sealing manner; or the connecting pipe is embedded in the mounting pipe in a sealing manner.
5. The battery pack of claim 4, wherein the sealing member is a nut, the mounting tube and the connecting tube are threadedly coupled to the nut, and the mounting tube and the connecting tube are sealingly engaged.
6. The battery pack of claim 3, wherein the third liquid-cooled tube is configured as a fractal tree structure, and further comprising two sets of at least one branch tubes in communication with the respective two connecting tubes, the two sets of at least one branch tubes being arranged in mirror symmetry.
7. The battery pack according to claim 3, wherein the third liquid-cooled tube is constructed in a single tube structure, and further includes liquid-cooled single tubes communicating with the respective two connecting tubes, and the liquid-cooled single tubes extend in the same direction as the connecting tubes; or the liquid cooling single pipe is coiled on the liquid cooling plate in a preset shape.
8. The battery pack of claim 1, wherein the plurality of fluid cooling inserts are arranged in a single row and a plurality of columns and are spaced apart from one another; alternatively, they are arranged in a single row and multiple columns and are disposed adjacent to each other.
9. The battery pack of claim 1, further comprising a plurality of vapor chambers disposed between the battery pack and the plurality of liquid cooled inserts, each vapor chamber being stacked with a respective liquid cooled plate.
10. A vehicle characterized by comprising a battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980833.0U CN215771341U (en) | 2021-08-20 | 2021-08-20 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980833.0U CN215771341U (en) | 2021-08-20 | 2021-08-20 | Battery pack and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN215771341U true CN215771341U (en) | 2022-02-08 |
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| CN202121980833.0U Active CN215771341U (en) | 2021-08-20 | 2021-08-20 | Battery pack and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022453A1 (en) * | 2022-07-29 | 2024-02-01 | 比亚迪股份有限公司 | Heat exchange plate, battery pack, and vehicle |
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2021
- 2021-08-20 CN CN202121980833.0U patent/CN215771341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022453A1 (en) * | 2022-07-29 | 2024-02-01 | 比亚迪股份有限公司 | Heat exchange plate, battery pack, and vehicle |
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