CN219892252U - Heat radiation structure of electric vehicle battery module - Google Patents
Heat radiation structure of electric vehicle battery module Download PDFInfo
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- CN219892252U CN219892252U CN202321211497.2U CN202321211497U CN219892252U CN 219892252 U CN219892252 U CN 219892252U CN 202321211497 U CN202321211497 U CN 202321211497U CN 219892252 U CN219892252 U CN 219892252U
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- battery
- water cooling
- liquid outlet
- battery module
- main pipeline
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- 230000005855 radiation Effects 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 97
- 238000001816 cooling Methods 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000178 monomer Substances 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims description 39
- 230000017525 heat dissipation Effects 0.000 claims description 13
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000000191 radiation effect Effects 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 description 21
- 239000000498 cooling water Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a heat radiation structure of an electric vehicle battery module, which is arranged on the battery module. The battery shell is internally provided with water cooling structures, and each water cooling structure comprises a water cooling channel, and a liquid inlet and a liquid outlet which are positioned at two ends of the water cooling channel. The liquid inlet of the water cooling structure of the battery cells positioned at one side of the battery module and positioned in the same row is communicated with the liquid inlet main pipeline, and the liquid outlet of the water cooling structure of the battery cells positioned at the other side of the battery module and positioned in the same row is communicated with the liquid outlet main pipeline; and the water cooling structures of any two adjacent battery monomers positioned in the same row are communicated through a connecting pipe. The heat radiation structure can effectively improve the heat radiation efficiency of the battery module and ensure the heat radiation effect.
Description
Technical Field
The utility model relates to the technical field of electric vehicles, in particular to a heat dissipation structure of an electric vehicle battery module.
Background
The battery module is used as an energy storage unit and a power source of the electric vehicle, is a key component of the electric vehicle, and the working state of the battery module directly influences the overall performance of the electric vehicle. Because the installation space on the vehicle is limited, the required battery capacity of electric vehicle is great, and general battery module all includes a plurality of closely arranged battery monomer of connection, when battery module operation, the inside a large amount of heat that can accumulate of battery module, causes battery module's operating temperature to rise, influences battery performance. The existing battery module dissipates heat through natural wind, so that the heat dissipation is slow, and the effective heat dissipation and ventilation are difficult to obtain by means of natural wind under a high-temperature working condition.
Disclosure of Invention
In order to overcome the above drawbacks, the present utility model is directed to a heat dissipation structure of a battery module of an electric vehicle, which can effectively improve the heat dissipation efficiency of the battery module and ensure the heat dissipation effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a heat radiation structure of electric vehicle battery module, sets up on battery module, battery module is including being a plurality of battery monomers of matrix arrangement, every battery monomer all includes the battery casing. The battery shell is internally provided with a water cooling structure, and each water cooling structure comprises a water cooling channel, and a liquid inlet and a liquid outlet which are positioned at two ends of the water cooling channel.
The liquid inlet of the single-battery water-cooling structure is communicated with the liquid inlet main pipeline, and the liquid outlet of the single-battery water-cooling structure is communicated with the liquid outlet main pipeline. And any two adjacent water cooling structures of the battery cells positioned in the same row are communicated through a connecting pipe.
The utility model has the beneficial effects that:
a water cooling structure is directly arranged in the battery shell, and the water cooling structures of a plurality of battery monomers which are arranged in a matrix are communicated through the arrangement of a liquid inlet main pipeline, a liquid outlet main pipeline and connecting pipes; when the liquid inlet main pipeline and the liquid outlet main pipeline are connected with an external cooling water tank, cooling liquid can be conveyed to the water cooling structures of all the battery monomers so as to cool the battery monomers; and the water cooling structure is directly arranged in the battery shell, and can be directly contacted with the inside of the battery shell, so that the cooling liquid is closer to the inside of the battery, and further, the heat in the battery can be taken away rapidly, and the heat dissipation efficiency and the heat dissipation effect are improved.
Furthermore, the water cooling structure comprises a cavity which is internally arranged in the battery shell, a plurality of drainage rods which are arranged in parallel and are arranged on two sides of the cavity in a staggered mode are arranged in the cavity, and the drainage rods jointly divide the cavity into serpentine water cooling channels. The water cooling channel is designed into a serpentine shape through the plurality of drainage rods, so that the flowing time of the cooling liquid in the water cooling channel can be further increased, the cooling liquid is in contact with the battery more fully, and the cooling effect is better.
Further, the end corners of the drainage rod are in a rounded corner structure. The flow resistance of the cooling liquid in the water cooling channel can be effectively reduced through the design of the rounding structure.
Furthermore, two ends of the water cooling channel are respectively provided with a liquid inlet and a liquid outlet which penetrate through the battery shell, and the liquid inlet and the liquid outlet are positioned on the same side of the battery shell.
Furthermore, the inner walls of the liquid inlet and the liquid outlet are provided with internal thread structures. The arrangement of the internal thread structure is convenient for quick disassembly and connection between the liquid inlet and the liquid outlet and the liquid inlet main pipeline, the liquid outlet main pipeline and the connecting pipe.
Furthermore, the battery shells of two adjacent battery cells in the same row are fixedly connected through the plug-in connection part, the plug-in connection part comprises a slot and a cutting which are matched for use, the slot is positioned on one battery shell, and the cutting is positioned on the other battery shell. The battery monomer in the battery module is quickly assembled through the arrangement of the plug-in part, so that the stability of the whole structure of the battery module is facilitated.
Further, the cross section of the cutting is in a trapezoid structure, and the upper bottom of the trapezoid structure faces the slot; the slot is matched with the shape of the cutting. The arrangement of the trapezoid structure guides the insertion of the cutting, so that the assembly efficiency of the cutting and the slot is improved.
Furthermore, the liquid inlet main pipeline and the liquid outlet main pipeline respectively comprise a row of corresponding communication connectors which are arranged in one-to-one correspondence with the battery monomers, each communication connector is connected with a corresponding liquid inlet or liquid outlet of the battery monomer, and two adjacent communication connectors are connected through a communication straight pipe. The liquid inlet main pipeline and the liquid outlet main pipeline are communicated with the battery cells in the same row through the matching of the communication joint and the communication straight pipe, and for the liquid inlet main pipeline, the cooling liquid can be shunted into the corresponding battery cells through the arrangement of the communication joint and the communication straight pipe; for the liquid outlet main pipeline, the cooling liquid in the battery unit can be converged into the liquid outlet main pipeline through the arrangement of the communication joint and the communication straight pipe.
Further, the communication joint is a three-way pipe or an elbow pipe.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation structure according to an embodiment of the utility model;
FIG. 2 is a schematic cross-sectional view of a battery housing according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a battery cell according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a liquid inlet main pipeline according to an embodiment of the present utility model.
In the figure:
1-a battery cell; 11-a battery case; 111-slots; 112-cutting; 12-a water cooling channel; 121-a liquid inlet; 122-a liquid outlet; 13-drainage bar;
2-a liquid inlet main pipeline; 21-a communication joint; 22-connecting straight pipes;
3-a liquid outlet main pipeline;
4-connecting pipe.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples
Referring to fig. 1-2, a heat dissipation structure of a battery module for an electric vehicle according to the present utility model is provided on a battery module, the battery module including a plurality of battery cells 1 arranged in a matrix, each battery cell 1 including a battery case 11. The battery shell 11 is internally provided with water cooling structures, and each water cooling structure comprises a water cooling channel 12, and a liquid inlet 121 and a liquid outlet 122 which are positioned at two ends of the water cooling channel 12.
The liquid inlet 121 of the water cooling structure of the single battery 1 positioned at one side of the battery module and positioned at the same row is communicated with the liquid inlet main pipeline 2, and the liquid outlet 122 of the water cooling structure of the single battery 1 positioned at the other side of the battery module and positioned at the same row is communicated with the liquid outlet main pipeline 3. And the water cooling structures of any two adjacent battery cells 1 positioned in the same row are communicated through a connecting pipe 4.
When the liquid inlet main pipeline 2 and the liquid outlet main pipeline 3 are connected with an external cooling water tank, the cooling liquid in the cooling water tank can be split into the water cooling structures of a corresponding row of battery monomers 1 through the arrangement of the liquid inlet main pipeline 3, and then the cooling liquid can flow into each battery monomer 1 positioned in the same row in sequence through the communication of the connecting pipes 4 on each row of battery monomers 1 to the adjacent two water cooling structures; and finally, the cooling liquid in the corresponding row of battery cells 1 is converged and discharged through the arrangement of the liquid outlet main pipeline 3.
Because the liquid inlet main pipeline 2 and the liquid outlet main pipeline 3 are respectively communicated with the two rows of battery monomers 1 at the outermost side, the water cooling structures of all battery monomers 1 can be mutually communicated through the communication between the battery monomers 1 in each row, and then the cooling liquid can circulate in all battery monomers 1, so that the cooling of all battery monomers 1 is realized, and the water cooling structures are arranged in each battery shell 11, so that the cooling liquid can flow through each battery monomer 1, and then the cooling liquid is closer to the inside of each battery monomer 1, so that the heat in the battery monomers 1 is taken away quickly, and the overall heat dissipation efficiency and heat dissipation effect of the battery module are realized.
In some embodiments, referring to fig. 2, the water cooling structure includes a cavity built in the battery case 11, and a plurality of drainage bars 13 arranged in parallel and staggered on two sides of the cavity are disposed in the cavity, where the plurality of drainage bars 13 jointly divide the cavity into serpentine water cooling channels 12. The water cooling channel 12 is designed into a serpentine shape through the plurality of drainage rods 13, so that the flowing time of the cooling liquid in the water cooling channel 12 can be further prolonged, the cooling liquid is in full contact with the battery, and the cooling effect is better.
Specifically, in order to facilitate understanding of the staggered arrangement of the drainage bars 13, two inner side walls of the cavity are respectively referred to as a side wall and a side wall B, and two adjacent drainage bars are respectively referred to as a drainage bar and a drainage bar. When the drainage rod is arranged, one end of the drainage rod I is fixedly connected to the side wall A, and a gap is reserved between the other end of the drainage rod I and the side wall B; one end of the second drainage rod is fixedly connected to the side wall B, and a gap is reserved between the other end of the second drainage rod and the side wall A. Therefore, when a plurality of first drainage rods and second drainage rods are arranged, the cavity can be divided into serpentine water cooling channels.
Further, the end corners of the drainage bars 13 are rounded. Because the cooling liquid is in contact with the water cooling channel 12 in a wall contact mode when entering the water cooling channel 12, the flow resistance of the cooling liquid when the water cooling channel 12 turns can be effectively reduced through the design of the rounding structure.
In some embodiments, two ends of the water cooling channel 12 are respectively provided with a liquid inlet 121 and a liquid outlet 122 penetrating through the battery housing 11, and the liquid inlet 121 and the liquid outlet 122 are located on the same side of the battery housing 11, so as to facilitate connection between two adjacent water cooling structures by the subsequent connecting pipe 4. Further, the inner walls of the liquid inlet 121 and the liquid outlet 122 are provided with internal screw structures. The arrangement of the internal thread structure is convenient for quick disassembly and connection between the liquid inlet 121 and the liquid outlet 122 and the liquid inlet main pipeline 2, the liquid outlet main pipeline 3 and the connecting pipe 4.
In some embodiments, referring to fig. 4, the liquid inlet main pipe 2 and the liquid outlet main pipe 3 each include a communication joint 21 corresponding to a corresponding column of the battery cells 1, each communication joint 21 is connected to a liquid inlet 121 or a liquid outlet 122 of the corresponding battery cell 1, and two adjacent communication joints 21 are connected through a straight communication pipe 22. The communication of the liquid inlet main pipeline 2, the liquid outlet main pipeline 3 and the battery cells 1 in the same column is realized through the matching of the communication joint 21 and the communication straight pipe 22, and for the liquid inlet main pipeline 2, the cooling liquid can be shunted into the corresponding battery cells 1 through the arrangement of the communication joint 21 and the communication straight pipe 22; the cooling liquid in the battery cell 1 can be converged into the liquid outlet main pipeline 3 by arranging the communication joint 21 and the communication straight pipe 22 with respect to the liquid outlet main pipeline 3.
Furthermore, on the liquid inlet main pipeline 2, a bent pipe is adopted as a communication joint 21 on the battery cell 1 farthest from the cooling water tank along the liquid inlet direction of the liquid inlet main pipeline 2, and the bent pipe only needs to realize the communication between the battery cell 1 and the liquid inlet main pipeline 2; the other connecting joints 22 adopt three-way pipes, and the three-way pipes not only realize the communication with the corresponding battery cells 1, but also play a role in shunting the cooling liquid to the rear communication straight pipe 22 (along the liquid inlet direction).
Similarly, on the liquid outlet main pipeline 3, in the liquid outlet direction of the liquid outlet main pipeline 3, a communication joint 21 on the battery monomer 1 farthest from the cooling water tank adopts an elbow, and the elbow only needs to realize the communication between the battery monomer 1 and the liquid outlet main pipeline 3; the other connecting joints 21 adopt three-way pipes, and the three-way pipes not only realize the communication with the corresponding battery cells 1, but also play a role in converging the cooling liquid to the rear communication straight pipe 22 (along the liquid outlet direction).
It should be noted that, the communication joint 21 and the connecting pipe 4 are provided with external screw structures matched with the liquid outlet 122 and the liquid inlet 121.
In some embodiments, referring to fig. 1 and 3, the battery cases 11 of two adjacent battery cells 1 in the same column are fixed by plugging through a plugging portion, the plugging portion includes a slot 111 and a cutting 112, the slot 111 is located on one battery case 11, and the cutting 112 is located on the other battery case 11. The quick assembly of the battery monomer 1 in the battery module is realized through the arrangement of the plug-in part, and the stability of the whole structure of the battery module is facilitated.
Further, the cross section of the cutting 112 is in a trapezoid structure, and the upper bottom of the trapezoid structure faces the slot 111; the slot 111 is adapted to the shape of the slip 112. The insertion of the cutting 112 is guided through the arrangement of the trapezoid structure, and the assembly efficiency of the cutting 112 and the slot 111 is improved.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. The heat dissipation structure of the electric vehicle battery module is arranged on the battery module, and the battery module comprises a plurality of battery cells which are arranged in a matrix, wherein each battery cell comprises a battery shell; the method is characterized in that: the battery shell is internally provided with water cooling structures, and each water cooling structure comprises a water cooling channel, and a liquid inlet and a liquid outlet which are positioned at two ends of the water cooling channel;
the liquid inlet of the water cooling structure of the battery cells positioned at one side of the battery module and positioned in the same row is communicated with a liquid inlet main pipeline, and the liquid outlet of the water cooling structure of the battery cells positioned at the other side of the battery module and positioned in the same row is communicated with a liquid outlet main pipeline; and any two adjacent water cooling structures of the battery cells positioned in the same row are communicated through a connecting pipe.
2. The heat dissipating structure of claim 1, wherein: the water cooling structure comprises a cavity which is internally arranged in the battery shell, a plurality of drainage rods which are arranged in parallel and are arranged on two sides of the cavity in a staggered mode are arranged in the cavity, and the drainage rods jointly divide the cavity into serpentine water cooling channels.
3. The heat dissipating structure of claim 2, wherein: the end corner of the drainage rod is in a rounded corner structure.
4. The heat dissipating structure of claim 2, wherein: the both ends of water-cooling passageway are equipped with respectively and run through inlet, the liquid outlet of battery case, inlet, liquid outlet are located the same side of battery case.
5. The heat dissipating structure of claim 4, wherein: and the inner walls of the liquid inlet and the liquid outlet are provided with internal thread structures.
6. The heat dissipating structure of any of claims 1-5, wherein: the battery shells of two adjacent battery monomers positioned in the same row are fixedly connected in an inserting mode through an inserting portion, the inserting portion comprises a slot and an inserting strip which are matched for use, the slot is positioned on one battery shell, and the inserting strip is positioned on the other battery shell.
7. The heat dissipating structure of claim 6, wherein: the cross section of the cutting is of a trapezoid structure, and the upper bottom of the trapezoid structure faces the slot; the slot is matched with the shape of the cutting.
8. The heat dissipating structure of claim 1, wherein: the liquid inlet main pipeline and the liquid outlet main pipeline comprise communication joints which are arranged in one-to-one correspondence with a corresponding row of battery monomers, each communication joint is connected with a corresponding liquid inlet or liquid outlet of each battery monomer, and two adjacent communication joints are connected through a communication straight pipe.
9. The heat dissipating structure of claim 8, wherein: the communication joint is a three-way pipe or an elbow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211497.2U CN219892252U (en) | 2023-05-18 | 2023-05-18 | Heat radiation structure of electric vehicle battery module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211497.2U CN219892252U (en) | 2023-05-18 | 2023-05-18 | Heat radiation structure of electric vehicle battery module |
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| CN219892252U true CN219892252U (en) | 2023-10-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543129A (en) * | 2023-12-20 | 2024-02-09 | 新疆阳光电通科技股份有限公司 | Intelligent protection type battery energy storage device |
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2023
- 2023-05-18 CN CN202321211497.2U patent/CN219892252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543129A (en) * | 2023-12-20 | 2024-02-09 | 新疆阳光电通科技股份有限公司 | Intelligent protection type battery energy storage device |
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