CN220400715U - Integrated side liquid cooling subassembly - Google Patents
Integrated side liquid cooling subassembly Download PDFInfo
- Publication number
- CN220400715U CN220400715U CN202321360811.3U CN202321360811U CN220400715U CN 220400715 U CN220400715 U CN 220400715U CN 202321360811 U CN202321360811 U CN 202321360811U CN 220400715 U CN220400715 U CN 220400715U
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- Prior art keywords
- collecting plate
- current collecting
- cooling
- liquid
- channels
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- 238000001816 cooling Methods 0.000 title claims abstract description 108
- 239000007788 liquid Substances 0.000 title claims abstract description 77
- 239000000110 cooling liquid Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an integrated side liquid cooling assembly. The cooling device comprises a front current collecting plate, a rear current collecting plate and a plurality of side liquid cooling plates, wherein the front current collecting plate and the rear current collecting plate are arranged in parallel, the side liquid cooling plates are arranged between the front current collecting plate and the rear current collecting plate at intervals and perpendicular to the front current collecting plate, a first cooling channel is arranged on the front current collecting plate and the rear current collecting plate, a second cooling liquid channel is arranged on the side liquid cooling plates, the first cooling channel is communicated with the second cooling liquid channel, a liquid inlet connector for cooling liquid to flow into the first cooling channel is arranged on the front current collecting plate, and a liquid outlet connector for cooling liquid to flow out of the first cooling channel is arranged on the rear current collecting plate. The utility model can cool the battery cell on four sides, can realize faster cooling speed, and has more uniform temperature of the upper and lower parts of the battery cell.
Description
Technical Field
The utility model belongs to the technical field of power batteries, and particularly relates to an integrated side liquid cooling assembly.
Background
Lithium ion batteries are widely applied to various aspects of life, and thermal runaway events of lithium ion battery systems such as passenger cars, energy storage power stations and the like frequently occur, so that great importance is placed on the industry, and the thermal management technology of the batteries is a priority focus of industry practitioners, so how to effectively dissipate heat of battery packs becomes an important research direction in the field.
At present, a liquid cooling plate is generally arranged at the bottom of a battery pack, and a battery core is arranged on the liquid cooling plate. The heat dissipation mode of this kind of cooling structure can only utilize the liquid cooling board to cool off a face of electric core, and cooling area is less, and is not high to the cooling capacity of electric core, and also easily leads to the electric core to have the big problem of upper and lower difference in temperature. With the development of direct current high-rate charging mode, the existing cooling structure is difficult to meet the cooling requirement, so that the battery pack has a larger thermal runaway risk. And the existing liquid cooling plate cannot bear load and can not strengthen the structural strength of the battery pack.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides an integrated side liquid cooling assembly which can improve the cooling effect of a battery cell and the strength of a battery pack.
The technical scheme adopted by the utility model is as follows: the utility model provides an integrated form side liquid cooling subassembly, includes preceding current collector, back current collector and a plurality of side liquid cooling board, preceding current collector is arranged with back current collector parallel arrangement, a plurality of side liquid cooling boards parallel interval sets up between preceding current collector and back current collector and the arrangement of perpendicular to preceding current collector, be equipped with first cooling channel on preceding current collector and the back current collector, be equipped with the second cooling channel on the side liquid cooling board, first cooling channel and second cooling channel intercommunication, be equipped with the feed liquor joint that supplies cooling liquid to flow into first cooling channel on the preceding current collector, be equipped with the play liquid joint that supplies cooling liquid to flow out first cooling channel on the back current collector.
Further, an accommodating space for accommodating the battery cell is formed between the front current collecting plate, the rear current collecting plate and the two adjacent side liquid cooling plates.
Further, a plurality of openings are arranged on one side surface of the front current collecting plate and one side surface of the rear current collecting plate, and the first cooling channels are communicated with the second cooling channels through the openings.
Further, the first cooling channels comprise a plurality of first channels arranged in parallel, and the plurality of first channels are communicated with the second cooling channels through openings.
Further, the second cooling channels comprise a plurality of second channels arranged in parallel, and the plurality of second channels are communicated with the first cooling channels through openings.
Further, the ends of the front and rear current collecting plates extend to the side liquid cooling plates protruding from the edges to form protruding portions, and the liquid inlet and outlet connectors are respectively arranged on the inner sides of the protruding portions of the front and rear current collecting plates.
Further, the front collecting plate, the rear collecting plate and the plurality of side liquid cooling plates are all of planar plate structures.
Furthermore, the side liquid cooling plates are connected with the front current collecting plate and the rear current collecting plate through welding.
The beneficial effects of the utility model are as follows:
according to the utility model, the front current collecting plate, the rear current collecting plate and the plurality of side liquid cooling plates are matched to form the liquid cooling assembly of the battery cell, cooling liquid flows in from the liquid inlet joint and flows out from the liquid outlet joint after passing through the first cooling channel and the second cooling channel, so that the battery cell can be cooled on four sides, the cooling speed can be higher, and meanwhile, the temperature of the upper part and the lower part of the battery cell is more uniform.
According to the utility model, the accommodating space capable of accommodating a plurality of battery cells is formed among the front current collecting plate, the rear current collecting plate and the plurality of side liquid cooling plates, and the current collecting plate and the liquid cooling plates can be used as transverse longitudinal beams of the battery pack while cooling and radiating, so that the strength of the battery pack is improved, the number of parts in the battery pack is reduced, and the cost is reduced.
The first cooling channel and the second cooling channel both comprise a plurality of sub-channels, which is beneficial to improving the uniformity of cooling liquid on the side surface of the battery cell in the height direction.
The liquid inlet and outlet connectors are arranged on the protruding parts of the front and rear current collecting plates, so that the installation space of the battery cell is not occupied, and the product volume is reduced; meanwhile, the front current collecting plate, the rear current collecting plate and the side liquid cooling plate are all extruded sectional plates, so that the volume is further reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1.
FIG. 3 is a cross-sectional view of B-B in FIG. 1.
Fig. 4 is a schematic view of a cell mounted in the present utility model.
Fig. 5 is a schematic view of a battery cell according to another embodiment of the present utility model.
In the figure, 1-front collector plate; 2-a rear current collecting plate; 3-side liquid cooling plates; 4-a first cooling channel; 4.1-a first channel; 5-a second cooling channel; 5.1-a second channel; 6-a liquid inlet joint; 7-a liquid outlet joint; 8-accommodation space; 9-a protrusion; 10-cell.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1-5, the utility model provides an integrated side liquid cooling assembly, which comprises a front current collecting plate 1, a rear current collecting plate 2 and a plurality of side liquid cooling plates 3, wherein the front current collecting plate 1 and the rear current collecting plate 2 are arranged in parallel, the plurality of side liquid cooling plates 3 are arranged between the front current collecting plate 1 and the rear current collecting plate 2 at intervals and are perpendicular to the front current collecting plate 1, a first cooling channel 4 is arranged on the front current collecting plate 1 and the rear current collecting plate 2, a second cooling channel 5 is arranged on the side liquid cooling plate 3, the first cooling channel 4 is communicated with the second cooling channel 5, a liquid inlet joint 6 for enabling cooling liquid to flow into the first cooling channel 4 on the front current collecting plate 1 is arranged on the front current collecting plate 1, and a liquid outlet joint 7 for enabling cooling liquid to flow out of the first cooling channel 4 on the rear current collecting plate 2 is arranged on the rear current collecting plate 2.
According to the utility model, the front current collecting plate 1, the rear current collecting plate 2 and the plurality of side liquid cooling plates 3 are matched to form the liquid cooling assembly of the battery cell, cooling liquid flows in from the liquid inlet joint 6 and flows out from the liquid outlet joint 7 after passing through the first cooling channel 4 and the second cooling channel 5, so that the battery cell can be cooled on four sides, the cooling speed can be higher, and the temperature of the upper part and the lower part of the battery cell is more uniform.
In the above scheme, an accommodating space 8 for accommodating the battery core is formed between the front current collecting plate 1, the rear current collecting plate 2 and the two adjacent side liquid cooling plates 3. According to the utility model, the containing space 8 for placing four electric cores is formed among the front current collecting plate 1, the rear current collecting plate 2 and the five side liquid cooling plates 3, and the current collecting plate and the side liquid cooling plates can be used as transverse longitudinal beams of a battery pack while cooling and radiating, so that the strength of the battery pack is improved, the number of parts in the battery pack is reduced, and the cost is reduced.
In the above-mentioned solution, a plurality of openings (not shown in the drawing) are provided on opposite sides of the front current collecting plate 1 and the rear current collecting plate 2, the plurality of side liquid cooling plates 3 are connected with the front current collecting plate 1 and the rear current collecting plate 2 at the opening positions by welding, and the first cooling channel 4 is communicated with the second cooling channel 5 through the openings. Specifically, the first cooling channels 4 include a plurality of first channels 4.1 arranged in parallel, the second cooling channels 5 include a plurality of second channels 5.1 arranged in parallel, the first channels 4.1 are not communicated at the position of the non-protruding part, the second channels 5.1 are not communicated, but the openings are communicated with each first channel on the corresponding current collecting plate, so that part of the first channels are indirectly communicated at the position of the non-protruding part; the openings are also communicated with each second channel, namely, the first channels 4.1 and the second channels 5.1 are partially arranged in a staggered manner in the height direction, so that the first channels 4.1 and the second channels 5.1 form a grid-shaped channel through the openings, and the uniformity of cooling liquid on the side surface of the battery cell in the height direction is improved.
In the above solution, the ends of one pair of corners and/or the ends of two pairs of corners of the front current collecting plate 1 and the rear current collecting plate 2 extend to the side liquid cooling plate forming protruding portion 9 protruding from the edge, the liquid inlet connector 6 and the liquid outlet connector 7 are respectively disposed on the inner sides (i.e. the side near the side liquid cooling plate 3) of the protruding portion 9 of one pair of corners of the front current collecting plate 1 and the rear current collecting plate 2, and the position of the protruding portion 9 of the liquid inlet connector is communicated with the corresponding first channel 4.1 on each current collecting plate, so as to facilitate the circulation of the cooling liquid. The front collecting plate 1, the rear collecting plate 2 and the side liquid cooling plates 3 are all of planar plate structures.
The liquid inlet and outlet connectors are arranged on the protruding parts 9 of the front and rear current collecting plates, and the current collecting plates and the side liquid cooling plates can be used as the cross beams of the battery pack and are matched with the frame positions of the battery pack during installation, so that the liquid inlet and outlet connectors cannot occupy the height or thickness installation space of the battery pack, and the product volume is reduced; meanwhile, the front current collecting plate 1, the rear current collecting plate 2 and the side liquid cooling plate 3 are all extruded sectional plates, so that the volume is further reduced.
In the assembly process of the utility model, the liquid inlet connector 6, the liquid outlet connector 7 and the side liquid cooling plate 3 are connected with the front current collecting plate 1 and the rear current collecting plate 2 through brazing, the front current collecting plate 1 and the rear current collecting plate 2 are welded on frame beams of a battery pack, and four electric cores 10 are respectively arranged in four accommodating spaces 8. The cooling liquid flows into the front current collecting plate 1 from the liquid inlet joint 6, then flows into the five side liquid cooling plates 3, flows into the rear current collecting plate 2, finally flows out from the liquid outlet joint 7, and cooperates with the whole vehicle pipeline to realize the cooling of the battery cell in a reciprocating cycle.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (7)
1. An integrated side liquid cooling subassembly, its characterized in that: the novel solar heat collector comprises a front current collecting plate (1), a rear current collecting plate (2) and a plurality of side liquid cooling plates (3), wherein the front current collecting plate (1) and the rear current collecting plate (2) are arranged in parallel, the plurality of side liquid cooling plates (3) are arranged between the front current collecting plate (1) and the rear current collecting plate (2) at intervals in parallel and are perpendicular to the front current collecting plate (1), a first cooling channel (4) is arranged on the front current collecting plate (1) and the rear current collecting plate (2), a second cooling channel (5) is arranged on the side liquid cooling plates (3), a plurality of openings are formed in one side face, opposite to each other, of the front current collecting plate (1) and the rear current collecting plate (2), and the first cooling channels (4) are communicated with the second cooling channels (5) through the openings; the front collecting plate (1) is provided with a liquid inlet joint (6) for cooling liquid to flow into the first cooling channel, and the rear collecting plate (2) is provided with a liquid outlet joint (7) for cooling liquid to flow out of the first cooling channel.
2. The integrated side-cooled assembly of claim 1, wherein: and an accommodating space (8) for accommodating the battery core is formed among the front current collecting plate (1), the rear current collecting plate (2) and the two adjacent side liquid cooling plates (3).
3. The integrated side-cooled assembly of claim 1, wherein: the first cooling channels (4) comprise a plurality of first channels (4.1) which are arranged in parallel, and the plurality of first channels (4.1) are communicated with the second cooling channels (5) through openings.
4. The integrated side-cooled assembly of claim 1, wherein: the second cooling channels (5) comprise a plurality of second channels (5.1) which are arranged in parallel, and the plurality of second channels (5.1) are communicated with the first cooling channels (4) through openings.
5. The integrated side-cooled assembly of claim 1, wherein: the ends of the front current collecting plate (1) and the rear current collecting plate (2) extend to the side liquid cooling plate protruding out of the edge to form protruding parts (9), and the liquid inlet connector (6) and the liquid outlet connector (7) are respectively arranged on the inner sides of the protruding parts (9) of the front current collecting plate (1) and the rear current collecting plate (2).
6. The integrated side-cooled assembly of claim 1, wherein: the front current collecting plate (1), the rear current collecting plate (2) and the side liquid cooling plates (3) are all of planar plate structures.
7. The integrated side-cooled assembly of claim 1, wherein: the side liquid cooling plates (3) are connected with the front current collecting plate (1) and the rear current collecting plate (2) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360811.3U CN220400715U (en) | 2023-05-31 | 2023-05-31 | Integrated side liquid cooling subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360811.3U CN220400715U (en) | 2023-05-31 | 2023-05-31 | Integrated side liquid cooling subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400715U true CN220400715U (en) | 2024-01-26 |
Family
ID=89607721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321360811.3U Active CN220400715U (en) | 2023-05-31 | 2023-05-31 | Integrated side liquid cooling subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400715U (en) |
-
2023
- 2023-05-31 CN CN202321360811.3U patent/CN220400715U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |