CN216818456U - Double-side cooling device of battery module - Google Patents
Double-side cooling device of battery module Download PDFInfo
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- CN216818456U CN216818456U CN202220393365.5U CN202220393365U CN216818456U CN 216818456 U CN216818456 U CN 216818456U CN 202220393365 U CN202220393365 U CN 202220393365U CN 216818456 U CN216818456 U CN 216818456U
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Abstract
The utility model discloses a double-side cooling device of a battery module, which comprises a first water cooling plate and a second water cooling plate, wherein the first water cooling plate and the second water cooling plate are respectively arranged at two sides of the battery module, one end of the first water cooling plate is connected with one end of the second water cooling plate through a first water pipe and a second water pipe, the first water pipe is provided with a water inlet, and the second water pipe is provided with a water outlet. According to the utility model, through a cooling mode of double side faces, the problem that the existing water cooling plate cannot meet the requirement of the whole constant temperature of the battery is solved, the space is utilized to the maximum extent, the charge and discharge service life of the battery is effectively prolonged, the huge maintenance cost caused after sale can be effectively relieved, and the risk of thermal failure of the battery is reduced.
Description
Technical Field
The utility model relates to the technical field of new energy electric automobiles, in particular to a double-side cooling device of a battery module.
Background
At present, the development of industry brings environmental deterioration and energy crisis, and energy conservation and emission reduction become the difficult problems which need to be faced by all countries in the world. The automobile industry is a pillar industry for national economic development, but the carbon emission brings heavy burden to the environment, so that the harmony between people and nature can be promoted only by researching the energy conservation and emission reduction of automobiles. The common problem that the common problems of human beings are directly influenced can be effectively solved by effectively solving the three problems of greenhouse gas emission, energy consumption and tail gas emission in the field of transportation, therefore, the major countries, organizations, automobile manufacturers, energy suppliers and risk investment enterprises all act together, the structure upgrade of the automobile industry and the transformation of the power system electric strategy are promoted, the formation of the electric automobile social basic industry with a multi-layer structure and the construction of corresponding policies and organization and guarantee systems are promoted, and the formation of the electric automobile society with sustainable development is promoted. At present, new energy automobiles are taken as an important strategy by main automobile enterprises in the world, and the layout and the investment are gradually increased.
The technology of new energy electric vehicles is rapidly developed, the safety performance of batteries is more and more concerned, and the current battery thermal management system mainly adopts a water cooling mode with higher heat transfer efficiency and more uniform temperature control.
In the heat management system adopting the water cooling mode, the liquid cooling plate is generally arranged below the battery and is directly assembled with the box body into a whole, a heat-conducting medium is filled between the liquid cooling plate and the battery, and cooling liquid is introduced to realize heat conduction so as to achieve the effect of keeping the temperature of the battery constant;
in the existing battery pack scheme, the cooling mode of assembling the liquid cooling plate and the bottom of the box body is that the space of the whole box body is utilized to the maximum extent, but the cooling surface is only the bottom, the cooling efficiency is general, and the whole battery pack is subjected to the risks of reworking and scrapping as soon as the liquid cooling plate goes wrong, so that the battery pack is inconvenient to disassemble; along with the increasing demand of new energy vehicles, the requirement of users on the endurance mileage of the new energy vehicles is higher and higher, the number of modules in the box body is increased by the corresponding existing method, and the constant temperature requirement of the battery pack after the modules are increased cannot be met by the existing cooling capacity at the bottom or on one side.
As shown in fig. 1, a conventional lower box bottom plate water cooling scheme is adopted, a flow channel is formed by combining the box bottom and a liquid cooling plate through a water inlet and a water outlet, and a cooling liquid is introduced into a cavity to cool or heat the battery inside the box, so that the temperature of the whole battery is maintained within a control range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-side cooling device of a battery module, which solves the problem that the existing water cooling plate cannot meet the overall constant temperature requirement of a battery through a double-side cooling mode, utilizes the space to the maximum extent, effectively prolongs the charge and discharge life of the battery, can also effectively relieve huge maintenance cost caused after sale, reduces the risk of thermal failure of the battery, and can solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two side cooling device of battery module, includes first water-cooling board and second water-cooling board, first water-cooling board and second water-cooling board set up the both sides at the battery module respectively, the one end of first water-cooling board and the one end of second water-cooling board are passed through first water pipe and second water piping connection, set up the water inlet on the first water pipe, set up the delivery port on the second water pipe.
Furthermore, the first water cooling plate and the second water cooling plate are both composed of a plate A and a plate B, the plate A and the plate B are connected through bolts, a first water cooling pipe is arranged in the first water cooling plate, and a second water cooling pipe is arranged in the second water cooling plate.
Furthermore, the water inlet end of the first water-cooling pipe is connected with one end of the first water pipe, the water outlet end of the first water-cooling pipe is connected with one end of the second water pipe, the water inlet end of the second water-cooling pipe is connected with one end of the first water pipe, and the water outlet end of the second water-cooling pipe is connected with one end of the second water-cooling pipe.
Further, the thickness of the first water cooling plate and the second water cooling plate is 4 mm.
Further, the first water-cooling pipe and the second water-cooling pipe are both arranged into a U-shaped structure.
Further, the first water pipe and the second water pipe are provided with corrugated pipes in the middle.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the first water cooling plate and the second water cooling plate are assembled with the battery module, and the problem that the existing water cooling plates cannot meet the overall constant temperature requirement of the battery is solved through a double-side cooling mode, so that the risk of thermal failure of the battery is reduced.
2. First water-cooling board and second water-cooling board combination and battery module assemble into little whole, assemble into the box again, furthest has utilized the space, and the effectual charge-discharge life who prolongs the battery can also effectively alleviate the huge cost of maintenance that causes after sale, has satisfied the demand of new energy automobile battery development.
Drawings
FIG. 1 is a schematic view of a conventional combined water cooling plate of a bottom plate of a lower case and a liquid cooling plate;
FIG. 2 is an assembly view of a water-cooled plate and a battery module according to the present invention;
FIG. 3 is a block diagram of the water cooled plate assembly of the present invention;
FIG. 4 is an internal schematic view of a first water cooled plate according to the present invention;
FIG. 5 is an internal schematic view of a second water cooled plate of the present invention;
FIG. 6 is a cross-sectional view of a first water cooled plate of the present invention.
In the figure: 1. a first water-cooled plate; 2. a second water-cooling plate; 3. a battery module; 4. a first water pipe; 5. a second water pipe; 6. a water inlet; 7. a water outlet; 8. a plate A; 9. a plate B; 10. a first water-cooled tube; 11. a second water-cooled tube; 12. a bellows.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 2-3, a double-side cooling device for a battery module comprises a first water-cooling plate 1 and a second water-cooling plate 2, wherein the first water-cooling plate 1 and the second water-cooling plate 2 are respectively arranged at two sides of the battery module 3, the first water-cooling plate 1 and the second water-cooling plate 2 are cooled at two sides of the battery module 3, so that heat management and control can be better realized, one end of the first water-cooling plate 1 and one end of the second water-cooling plate 2 are connected through a first water pipe 4 and a second water pipe 5, the first water pipe 4 is provided with a water inlet 6, and the second water pipe 5 is provided with a water outlet 7.
Referring to fig. 4 to 6, the first water-cooling plate 1 and the second water-cooling plate 2 have the same structure, fig. 6 of the present application only shows the sectional view of the first water-cooling plate 1, and the sectional view of the second water-cooling plate 2 is the same as that of the first water-cooling plate 1, so that description is not repeated, the first water-cooling plate 1 and the second water-cooling plate 2 are composed of a plate A8 and a plate B9, the plate A8 and the plate B9 are connected by bolts, the first water-cooling tube 10 is disposed in the first water-cooling plate 1, the first water-cooling tube 10 is used for cooling the first water-cooling plate 1, the second water-cooling plate 2 is provided with the second water-cooling tube 11, and the second water-cooling tube 11 is used for cooling the second water-cooling plate 2.
The water inlet end (a position in fig. 4) of the first water-cooling pipe 10 is connected with one end of the first water pipe 4, the water outlet end (b position in fig. 4) of the first water-cooling pipe 10 is connected with one end of the second water pipe 5, the water inlet end (c position in fig. 5) of the second water-cooling pipe 11 is connected with one end of the first water pipe 4, the water outlet end (d position in fig. 5) of the second water-cooling pipe 11 is connected with one end of the second water-cooling pipe 11, cooling water enters from the water inlet 6 and flows to the first water-cooling pipe 10 and the second water-cooling pipe 11 at two sides through the first water pipe 4, the cooling water passes through the first water-cooling pipe 10 and the second water-cooling pipe 11 and then is collected at the second water pipe 5 by the water outlet ends of the first water-cooling pipe 10 and the second water-cooling pipe 11, and flows out from the water outlet 7 of the second water pipe 5, so as to form a water-cooling closed loop, and realize cooling of two sides of the battery module 3.
The thickness of first water-cooling board 1 and second water-cooling board 2 is 4mm, can effectual save space for space utilization improves to a great extent.
The first water-cooling pipe 10 and the second water-cooling pipe 11 are both arranged in a U-shaped structure, so that the water-cooling area can be increased.
The corrugated pipes 12 are arranged between the first water pipe 4 and the second water pipe 5, have certain elastic action, and are beneficial to taking down the first water-cooling pipe 10 and the second water-cooling pipe 11 from two sides of the battery module 3.
The cooling process of the utility model is as follows: the cooling liquid enters from the water inlet 6 and flows to the first water-cooling tube 10 and the second water-cooling tube 11 on two sides through the first water tube 4, the cooling water passes through the first water-cooling tube 10 and the second water-cooling tube 11 and then is converged at the second water tube 5 through the water outlet ends of the first water-cooling tube 10 and the second water-cooling tube 11 and flows out from the water outlet 7 of the second water tube 5, and the whole process is the trend of the cooling liquid.
Fixing a first water cooling plate 1 and a second water cooling plate 2 on two sides of a battery module 3 to form a small assembly, as shown in fig. 1, connecting a water nozzle, and introducing cooling liquid from a water inlet 6 to perform constant temperature treatment on two side parts of the battery module 3 in a box body, so that the problem that the existing cooling mode cannot meet the constant temperature requirement is solved, and the charging and discharging life of the battery is prolonged; first water-cooling board 1 and the combination of second water-cooling board 2 and battery module 3 assemble into little whole, assemble into in the box again, and the design is convenient for after-sale and is handled like this, if the inside problem that exists of battery package, can do the change part of pertinence, can raise the efficiency and reduce the cost of after-sale maintenance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two side cooling device of battery module, includes first water cooling board (1) and second water cooling board (2), its characterized in that: first water-cooling board (1) and second water-cooling board (2) set up respectively in the both sides of battery module (3), the one end of first water-cooling board (1) and the one end of second water-cooling board (2) are connected through first water pipe (4) and second water pipe (5), set up water inlet (6) on first water pipe (4), set up delivery port (7) on second water pipe (5).
2. The double-sided cooling device of a battery module according to claim 1, wherein: first water-cooling board (1) and second water-cooling board (2) comprise block A (8) and block B (9), and block A (8) and block B (9) pass through bolted connection, set up first water-cooling tube (10) in first water-cooling board (1), set up second water-cooling tube (11) in second water-cooling board (2).
3. The double-sided cooling device of a battery module according to claim 2, wherein: the water inlet end of the first water-cooling pipe (10) is connected with one end of the first water pipe (4), the water outlet end of the first water-cooling pipe (10) is connected with one end of the second water pipe (5), the water inlet end of the second water-cooling pipe (11) is connected with one end of the first water pipe (4), and the water outlet end of the second water-cooling pipe (11) is connected with one end of the second water-cooling pipe (11).
4. The double-sided cooling device of a battery module according to claim 1, wherein: the thickness of the first water cooling plate (1) and the thickness of the second water cooling plate (2) are both 4 mm.
5. The double-sided cooling device of a battery module according to claim 2, wherein: the first water-cooling pipe (10) and the second water-cooling pipe (11) are both arranged into a U-shaped structure.
6. The double-sided cooling device of a battery module according to claim 1, wherein: the middle of each of the first water pipe (4) and the second water pipe (5) is provided with a corrugated pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220393365.5U CN216818456U (en) | 2022-02-25 | 2022-02-25 | Double-side cooling device of battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220393365.5U CN216818456U (en) | 2022-02-25 | 2022-02-25 | Double-side cooling device of battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216818456U true CN216818456U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220393365.5U Active CN216818456U (en) | 2022-02-25 | 2022-02-25 | Double-side cooling device of battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216818456U (en) |
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2022
- 2022-02-25 CN CN202220393365.5U patent/CN216818456U/en active Active
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