CN219801020U - A detouring breach formula liquid cooling bottom plate for battery package - Google Patents
A detouring breach formula liquid cooling bottom plate for battery package Download PDFInfo
- Publication number
- CN219801020U CN219801020U CN202321001126.1U CN202321001126U CN219801020U CN 219801020 U CN219801020 U CN 219801020U CN 202321001126 U CN202321001126 U CN 202321001126U CN 219801020 U CN219801020 U CN 219801020U
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- Prior art keywords
- bottom plate
- flow
- liquid cooling
- liquid
- around
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- 239000007788 liquid Substances 0.000 title claims abstract description 76
- 238000001816 cooling Methods 0.000 title claims abstract description 62
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model provides a flow-around notch type liquid cooling bottom plate for a battery pack, which comprises an upper bottom plate, a lower bottom plate and a plurality of flow-around fins, wherein the middle part of the lower bottom plate is sunken to form a liquid cooling groove, a plurality of baffle strips are arranged in the liquid cooling groove, a tortuous liquid cooling flow passage is formed in the liquid cooling groove, the flow-around fins are fixed in the liquid cooling flow passage, a plurality of parallel branch passages are arranged on the flow-around fins, flow-around parts are arranged at two ends of the flow-around fins, a plurality of flow-around notches are arranged on the branch passages positioned on the flow-around parts, and the edges of the upper bottom plate and the lower bottom plate are bonded and fixed. The beneficial effects of the utility model are as follows: the liquid cooling bottom plate is used for supporting the battery block and forms a shell of the battery pack with the cover body, the bypass fins in the liquid cooling bottom plate can play roles of heat conduction and bypass, the heat dissipation effect of cooling liquid is improved, and meanwhile, the side runner structure of the bypass fins can support the functions of the upper bottom plate and the lower bottom plate, so that the structural strength of the battery pack supporting structure is improved.
Description
Technical Field
The utility model relates to the technical field of new energy automobile liquid cooling devices, in particular to a flow-around notch type liquid cooling bottom plate for a battery pack.
Background
The battery pack is a device for integrating a plurality of battery blocks or battery sections and providing electric energy to the outside, and is widely applied to the fields of new energy automobiles, outdoor mobile power supplies and the like. The structure of current battery package usually includes a plurality of battery pieces and covers the casing in it with the battery piece, and the battery piece passes through wire circuit and links to each other, and the casing is about the protection of battery piece and wire circuit of connecting the battery piece, because the battery piece can produce heat when during operation (charge-discharge), in order to prevent that the battery piece from the too high fire of temperature, still need be equipped with heat dissipation (cooling) structure in the battery package, the heat dissipation (cooling) structure of current battery package has multiple (forced air cooling, liquid cooling etc.), but these heat dissipation (cooling) structures ubiquitous structure complicacy, heat dissipation ability inadequately, the problem that structural strength and reliability are poor.
Disclosure of Invention
In view of the above, the present utility model provides a bypass notch type liquid cooling bottom plate for a battery pack, which comprises an upper bottom plate, a lower bottom plate and a plurality of bypass fins.
The middle part of the lower bottom plate is sunken to form a liquid cooling groove, a plurality of blocking strips are arranged in the liquid cooling groove, the ends of the blocking strips are connected to the edge of the liquid cooling groove, a tortuous liquid cooling flow passage is arranged in the liquid cooling groove, and the flow-around fins are fixed in the liquid cooling flow passage.
The bypass fin is provided with a plurality of parallel branch channels, both ends of the bypass fin are provided with bypass parts, the branch channels positioned on the bypass parts are provided with a plurality of bypass gaps, and the bypass gaps positioned on the same branch channel are uniformly arranged;
the upper bottom plate with the bottom plate edge laminating is fixed, be equipped with feed liquor joint and play liquid joint on the upper bottom plate, the feed liquor joint with go out liquid joint respectively with liquid cooling runner head end and tail end intercommunication.
Further, the wrap length is less than 1/4 of the wrap fin length.
Further, the upper bottom plate and the lower bottom plate are respectively provided with a connecting hole, the upper bottom plate and the lower bottom plate are fixed in a welding mode, and a rivet nut is arranged in each connecting hole.
Further, all the barrier strips are arranged in parallel, and the spacing between the adjacent barrier strips is equal.
Further, a plurality of structure holes are formed in the edge of the lower bottom plate.
Further, two parallel structural beams are arranged on the upper bottom plate.
Further, the upper bottom plate is provided with a fixing screw, the structural beam is provided with a connecting hole, the fixing screw penetrates through the connecting hole, the fixing screw is provided with a locking nut, and the locking nut compresses the structural beam.
The flow-around notch type liquid cooling bottom plate for the battery pack has the beneficial effects that: this liquid cooling bottom plate is used for supporting the battery piece to constitute the casing of battery package with the lid, this liquid cooling bottom plate includes upper plate, lower plate and a plurality of detouring fin, upper plate, lower plate edge laminating makes the middle part depressed part of lower plate form the liquid cooling runner, detouring fin sets up with the liquid cooling runner in, the detouring fin is equipped with a plurality of parallel branch runners, detouring fin both ends all are equipped with detouring portion, there are a plurality of detouring breach on the branch runner that is located detouring portion, the detouring fin can play heat conduction and detouring effect, improve the radiating effect of coolant liquid, the tributary runner structure of detouring fin can its support upper plate, the effect of lower plate simultaneously, improve battery package bearing structure's structural strength.
Drawings
Fig. 1 is a schematic diagram of an assembly structure of a flow-around notch type liquid-cooled base plate for a battery pack according to an embodiment of the present utility model.
Fig. 2 is a schematic view of the structure of the lower plate 2 in fig. 1.
Fig. 3 is a schematic diagram of a connection structure of an upper base plate 1 and a lower base plate 2 of a flow-around notch type liquid cooling base plate for a battery pack according to an embodiment of the present utility model.
Fig. 4 is a schematic view of the structure of the bypass fin 3 in fig. 1.
Fig. 5 is an enlargement at a of the bypass fin 3 in fig. 4.
In the above figures, 1-upper bottom plate, 2-lower bottom plate, 21-liquid cooling runner, 22-baffle strip, 23-structure hole, 3-detour fin, 31-branch runner, 32-detour part, 33-detour notch, 4-liquid inlet and outlet joint, 5-structure beam, 51 connecting hole, 52-fixing screw, 6-rivet nut.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, a bypass notch type liquid cooling bottom plate for a battery pack includes an upper bottom plate 1, a lower bottom plate 2, and a plurality of bypass fins 3.
The upper base plate 1, the lower base plate 2 are rectangular plates, wherein the middle part of the lower base plate 2 is sunken, a liquid cooling groove is formed, a plurality of blocking strips 22 are arranged in the liquid cooling groove, the end portions of the blocking strips 22 are connected to the edge of the liquid cooling groove, all the blocking strips 22 are arranged in parallel, the distance between the connected blocking strips 22 is equal, in the embodiment, the number of the blocking strips 22 is three, one end portion of one blocking strip 22 positioned in the middle part is connected to one end of the liquid cooling groove, one end portions of the blocking strips 22 positioned on two sides are connected to the other end of the liquid cooling groove, so that a tortuous liquid cooling flow passage 21 is distributed in the liquid cooling groove by the three blocking strips, and the liquid cooling flow passage 21 comprises four flow passage sections parallel to each other.
The upper bottom plate 1 with the laminating of lower bottom plate 2 edge, upper bottom plate 1 with lower bottom plate 2 passes through the welding mode fixed, upper bottom plate 1 all be equipped with the connecting hole on the lower bottom plate 2, be equipped with in the connecting hole and draw riveting nut 6, draw riveting nut 6 and be used for making things convenient for the connection of the liquid cooling bottom plate upper cover body. Two liquid inlet and outlet connectors 4 are arranged on the upper base plate 1, the two liquid inlet and outlet connectors 4 are respectively a liquid inlet connector and a liquid outlet connector, and the liquid inlet connector and the liquid outlet connector are respectively communicated with the head end and the tail end of the liquid cooling runner 21. When the liquid cooling base plate is used, the battery blocks in the battery pack are arranged on the upper surface of the upper base plate 2, the liquid inlet connector and the liquid outlet connector are connected with a cooling liquid circulating system through connecting a liquid inlet pipe and a liquid outlet pipe, and the cooling liquid circulating system is used for driving cooling liquid to circularly flow in the liquid cooling flow channel 21 so as to take away heat generated by the battery blocks.
Further, the number of the bypass fins 3 is four, the four bypass fins 3 are respectively fixed in the four runner sections of the liquid cooling runner 21, the bypass fins 3 are made of heat conducting materials, preferably copper, the bypass fins 3 form a plurality of parallel branch runners 31 in a bending mode, the two ends of the bypass fins 3 are respectively provided with a bypass part 32, and the length of each bypass part 32 is less than 1/4 of the whole length of the bypass fin 3; a plurality of flow-around notches 33 are arranged on the branch flow passage of the flow-around part 32, and the openings of the flow-around notches 33 on the same branch flow passage are uniformly arranged; when the cooling liquid flows in the liquid cooling flow channel 21, the contact area between the cooling liquid and the bypass fins 3 can be increased through the branch flow channels 31 of the bent structures on the four bypass fins 3, so that the cooling effect of the cooling liquid is improved, meanwhile, the structural strength of the upper base plate 1 and the lower base plate 2 can be improved through the structural support of the bypass fins 3 between the branch flow channel and the upper base plate 1 and the lower base plate 2, the bypass gaps 33 in the bypass parts at the two ends of the bypass fins 3 can prolong the cooling liquid flow path (in a mode of disturbing the cooling liquid flow path) in the cooling liquid flow process, and the cooling effect of the cooling liquid is further improved.
Further, the edge of the lower base plate 2 is provided with a plurality of structural holes 23. The structural holes 23 are used for reinforcing the structural strength of the lower base plate 2 itself
Further, two parallel structural beams 5 are further arranged on the upper bottom plate 1. The upper base plate 1 is provided with a fixing screw 52, the structural beam 5 is provided with a connecting hole 51, the fixing screw 52 penetrates through the connecting hole 51, and the fixing screw 52 is provided with a locking nut (the locking nut is not shown in fig. 1, the fixing screw 52 is not installed on the fixing screw 52 in fig. 1), and the locking nut compresses the structural beam 5. The two structural beams 5 are used for reinforcing the strength of the whole liquid cooling bottom plate, and meanwhile, all battery packs on all the upper bottom plates 1 are positioned between the two structural beams, so that the battery packs can be positioned conveniently.
The utility model relates to a flow-around notch type liquid cooling bottom plate for a battery pack, which comprises the following working processes: the battery blocks in the battery pack are arranged on the upper surface of the upper base plate 1, a cover body (the edge of the cover body is connected to the rivet nut 6) is connected to the liquid cooling base plate, and the cover body covers all the battery blocks; the liquid inlet joint and the liquid outlet joint are connected with a cooling liquid circulation system through a connecting liquid inlet pipe and a liquid outlet pipe, and the cooling liquid circulation system drives cooling liquid to circularly flow in the liquid cooling flow channel 21 so as to take away heat generated by the battery block; when the cooling liquid flows in the liquid cooling flow channel 21, the cooling liquid passes through the four bypass fins 3, and the bypass fins 3 play roles in heat conduction and bypass, so that the heat dissipation effect of the cooling liquid is improved.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed utility model.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A round-flow notch type liquid cooling bottom plate for battery package, its characterized in that: comprises an upper bottom plate, a lower bottom plate and a plurality of streaming fins,
the middle part of the lower bottom plate is sunken to form a liquid cooling groove, a plurality of blocking strips are arranged in the liquid cooling groove, the end parts of the blocking strips are connected with the edge of the liquid cooling groove, a tortuous liquid cooling flow passage is separated in the liquid cooling groove, the flow-around fins are fixed in the liquid cooling flow passage,
the bypass fin is provided with a plurality of parallel branch channels, both ends of the bypass fin are provided with bypass parts, the branch channels positioned on the bypass parts are provided with a plurality of bypass gaps, and the bypass gaps positioned on the same branch channel are uniformly arranged;
the upper bottom plate with the bottom plate edge laminating is fixed, be equipped with feed liquor joint and play liquid joint on the upper bottom plate, the feed liquor joint with go out liquid joint respectively with liquid cooling runner head end and tail end intercommunication.
2. The flow-around notched liquid-cooled chassis for a battery pack of claim 1, wherein: the length of the flow around part is less than 1/4 of the length of the flow around fin.
3. The flow-around notched liquid-cooled chassis for a battery pack of claim 1, wherein: the upper bottom plate is fixed by welding, the edges of the upper bottom plate and the lower bottom plate are respectively provided with a connecting hole, and a rivet nut is arranged in each connecting hole.
4. The flow-around notched liquid-cooled chassis for a battery pack of claim 1, wherein: all the barrier strips are arranged in parallel, and the spacing between the adjacent barrier strips is equal.
5. The flow-around notched liquid-cooled chassis for a battery pack of claim 1, wherein: the edge of the lower bottom plate is provided with a plurality of structure holes.
6. The flow-around notched liquid-cooled chassis for a battery pack of claim 1, wherein: and two parallel structural beams are arranged on the upper bottom plate.
7. The flow-around notched liquid-cooled chassis for a battery pack of claim 6, wherein: the upper bottom plate is provided with a fixing screw rod, the structural beam is provided with a connecting hole, the fixing screw rod penetrates through the connecting hole, the fixing screw rod is provided with a locking nut, and the locking nut compresses the structural beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001126.1U CN219801020U (en) | 2023-04-26 | 2023-04-26 | A detouring breach formula liquid cooling bottom plate for battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001126.1U CN219801020U (en) | 2023-04-26 | 2023-04-26 | A detouring breach formula liquid cooling bottom plate for battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219801020U true CN219801020U (en) | 2023-10-03 |
Family
ID=88151969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321001126.1U Active CN219801020U (en) | 2023-04-26 | 2023-04-26 | A detouring breach formula liquid cooling bottom plate for battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219801020U (en) |
-
2023
- 2023-04-26 CN CN202321001126.1U patent/CN219801020U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 246000 Factory Building 5, Taiya, Chaoyang Road, East of Daqiao Development Zone, Yixiu District, Anqing City, Anhui Province Patentee after: Anhui Yixinneng Technology Co.,Ltd. Country or region after: China Address before: 518000 integrated circuit design and application Industrial Park, chaguang Road, Nanshan District, Shenzhen, Guangdong 307 Patentee before: Shenzhen yixinneng Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |