CN212676353U - Mounting structure of lithium battery - Google Patents
Mounting structure of lithium battery Download PDFInfo
- Publication number
- CN212676353U CN212676353U CN202021628343.XU CN202021628343U CN212676353U CN 212676353 U CN212676353 U CN 212676353U CN 202021628343 U CN202021628343 U CN 202021628343U CN 212676353 U CN212676353 U CN 212676353U
- Authority
- CN
- China
- Prior art keywords
- electric core
- mounting hole
- row
- type support
- battery cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 32
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 51
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 238000005266 casting Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000000565 sealant Substances 0.000 claims description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 150000002641 lithium Chemical class 0.000 claims 7
- 238000000034 method Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 229910052759 nickel Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of the lithium cell technique and specifically relates to a mounting structure of lithium cell. Including U type support, its characterized in that: u type support one side be equipped with the opening, the opening part is connected heat dissipation aluminum plate, is located U type support bottom and connects the bottom plate, U type support, heat dissipation aluminum plate and bottom plate splice into the rectangle structure, are equipped with the heat conduction casting glue in the rectangle structure, the preceding terminal surface and the rear end face that are located U type support are equipped with a plurality of electric core installation punch combinations respectively, electric core installation punch combination is including arranging electric core mounting hole and arranging electric core mounting hole down on the row, it is equipped with the aluminium row to arrange between electric core mounting hole and the lower electric core mounting hole down on the row. Compared with the prior art, simple structure, each electric core in the lithium cell staggers each other, avoids single electric core thermal runaway to the influence that other electric cores caused, improves the radiating efficiency of electric core through heat conduction casting glue and aluminum plate, guarantees the temperature equilibrium between electric core to guarantee the performance of lithium cell, prolong the life of lithium cell.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell technique and specifically relates to a mounting structure of lithium cell.
Background
In a conventional lithium battery pack, as shown in fig. 4-5, electrical connection between the battery core and the battery core is achieved by spot welding of nickel sheets, and the battery core is fixed by a bracket. A module of the lithium battery pack comprises an electric core, a bracket and a nickel sheet, and different modules of the lithium battery pack are connected in series through an aluminum bar. The heat conduction path in the lithium battery pack is a battery core pole, a nickel sheet and an aluminum plate, and the soaking and heat dissipation effect can be realized. However, when a single battery cell is out of control thermally, other battery cells are affected, and therefore the battery pack has an explosion risk.
Disclosure of Invention
The utility model discloses an overcome prior art's is not enough, provides a mounting structure of lithium cell, and each electric core in the lithium cell staggers each other, avoids single electric core thermal runaway to the influence that other electric cores caused, improves the radiating efficiency of electric core through heat conduction casting glue and aluminum plate, guarantees the temperature equilibrium between electric core to guarantee the performance of lithium cell, prolong the life of lithium cell.
In order to realize the above-mentioned purpose, design a mounting structure of lithium cell, including U type support, its characterized in that: u type support one side be equipped with the opening, heat dissipation aluminum plate is connected to the opening part, be located U type support bottom connection bottom plate, U type support, heat dissipation aluminum plate splices into the rectangle structure with the bottom plate, be equipped with the heat conduction casting glue in the rectangle structure, the preceding terminal surface that is located U type support and rear end face are equipped with a plurality of electric core installation punch combination respectively, electric core installation punch combination is including going up electric core mounting hole and arranging electric core mounting hole down, it is equipped with the aluminium row to go up between electric core mounting hole and the electric core mounting hole down, it all is mutual staggered arrangement to go up electric core mounting hole and arrange down electric core mounting hole.
The upper row of battery cell mounting holes and the lower row of battery cell mounting holes are arranged in a W shape.
The front end and the rear end of the battery core are respectively arranged in the battery core mounting hole groups at the front end and the rear end, and the front end and the rear end of the battery core respectively extend out of the front side and the rear side of the battery core mounting hole groups.
The electric cores at the upper row of electric core mounting holes and the lower row of electric core mounting holes are connected with the aluminum row through aluminum wires.
The aluminum row is in a wave shape.
The aluminum row is fixed on the U-shaped support, and the aluminum row and the U-shaped support are of an integrated structure.
The bottom of the bottom plate is connected with the base.
The viscosity of the heat-conducting pouring sealant at 25 ℃ is 3500 +/-500 mpa.s, the hardness of the heat-conducting pouring sealant after solidification is 60 +/-10 JISA, and the flame retardant grade of the heat-conducting pouring sealant is 94V-0 UL.
Compared with the prior art, the utility model, simple structure, each electric core in the lithium cell staggers each other, avoids single electric core thermal runaway to the influence that other electric cores caused, improves the radiating efficiency of electric core through heat conduction casting glue and aluminum plate, guarantees the temperature equilibrium between electric core to guarantee the performance of lithium cell, prolong the life of lithium cell.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic structural diagram of the battery cell mounting hole of the present invention.
Fig. 3 is the structure diagram of the electric core of the present invention.
Fig. 4 is a schematic diagram of a structure of the electric core before improvement of the present invention.
Fig. 5 is a schematic diagram of a structure of the electric core before improvement of the present invention.
Referring to fig. 1 to 5, wherein 1 is a U-shaped bracket, 2 is a heat dissipation aluminum plate, 3 is a bottom plate, 4 is a heat conduction potting adhesive, 5 is an aluminum row, 6 is an upper row of cell mounting holes, 7 is a lower row of cell mounting holes, 8 is an aluminum wire, 9 is a base, 10 is a cell, and 11 is a nickel plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, 1 one side of U type support is equipped with the opening, heat dissipation aluminum plate 2 is connected to the opening part, be located 1 bottom connection bottom plate 3 of U type support, U type support 1, heat dissipation aluminum plate 2 splices into the rectangle structure with bottom plate 3, be equipped with heat conduction casting glue 4 in the rectangle structure, the preceding terminal surface and the rear end face that are located U type support 1 are equipped with a plurality of electric core installation punch combination respectively, electric core installation punch combination includes row's of going up electric core mounting hole 6 and lower electric core mounting hole 7 of arranging, it is equipped with aluminium row 5 to go up between electric core mounting hole 6 and the lower electric core mounting hole 7 of arranging, it all is mutual staggered arrangement to go up electric core mounting hole.
The upper-row cell mounting holes 6 and the lower-row cell mounting holes 7 are arranged in a W shape.
The front end and the rear end of the battery cell 10 are respectively arranged in the battery cell mounting hole groups at the front end and the rear end, and the front end and the rear end of the battery cell 10 respectively extend out of the front side and the rear side of the battery cell mounting hole groups.
The battery cell 10 at the upper row of battery cell mounting holes 6 and the lower row of battery cell mounting holes 7 is connected with the aluminum bar 5 through an aluminum wire 8.
The structure of the aluminum row 5 is wave-shaped.
The aluminum bar 5 is fixed on the U-shaped bracket 1, and the aluminum bar 5 and the U-shaped bracket 1 are of an integrated structure.
The bottom of the bottom plate 3 is connected to a base 9.
Fig. 1 shows two oppositely arranged structures of the present invention. The utility model discloses a U type support 1, heat dissipation aluminum plate 2, bottom plate 3 and heat conduction casting glue 4 wrap up electric core 10 wherein, with every electric core 10 isolation protection, realize the quick samming heat dissipation of electric core 10. The inside heat transfer route of lithium cell is electric core 10, heat conduction casting glue 4, heat dissipation aluminum plate 2, and the heat that electric core 10 produced transmits heat dissipation aluminum plate 2 through heat conduction casting glue 4 to in the heat convection who carries out through heat dissipation aluminum plate 2 and air transmits the environment with the heat, realize the heat dissipation.
Inside the heat conduction casting glue 4 embedment rectangle structure, with the isolation protection of every electric core 10, the buffering shock attenuation to make the temperature of lithium cell group electricity core 10 and between the electric core 10 balanced. When the heat conduction pouring sealant is used specifically, the viscosity of the heat conduction pouring sealant at 425 ℃ is 3500 +/-500 mpa.s, so that the heat conduction pouring sealant 4 can be ensured to fully fill the gap between the battery core 10 and the battery core 10, and the heat conduction pouring sealant 4 is not easy to leak out from the hole. The hardness of the heat-conducting pouring sealant 4 after solidification is 60 +/-10 JISA, so that the heat-conducting pouring sealant 4 can absorb the pressure generated inside the electric core 10 out of thermal control, the pressure at the pole of the electric core 10 is guided to be released, the pressure and the heat are isolated from the adjacent electric core, and the phenomenon of chain thermal control is avoided. The flame retardant rating of the heat-conducting pouring sealant 4 is 94V-0UL, so that effective flame retardance can be guaranteed and thermal spread can be prevented.
The utility model discloses use the electricity between 8 and the aluminium bar 5 of aluminium silk to be connected and replace nickel piece 11 before improving, can prevent the heat conduction between 10 posts of electricity core to nickel piece 11 realizes from fusing because of electric core overflows when preventing the short circuit. And the utility model discloses electric core 10 utmost point post pressure release valve position does not have and shelters from, enables the effective pressure release of electric core when electric core 10 thermal runaway. When the aluminum wire is used specifically, the aluminum wire 8 can be 15mil aluminum wire.
The utility model discloses top and bottom aluminium are arranged 5 about last row of electric core mounting hole 6 and are arranged with arranging that staggers each other down electric core mounting hole 7. The upper and lower row of cell mounting holes 6 and the lower row of cell mounting holes 7 of the middle aluminum row 5 are respectively arranged in a W shape. The mutual staggering between electric core utmost point post and the utmost point post is guaranteed, when single electric core 10 thermal runaway, has avoided the influence to other electric cores production, reduces the explosion risk of lithium cell group. When the battery is used specifically, the distance between the battery cells can be 26 mm.
The aluminum row 5 and the U-shaped bracket 1 can be connected by welding, gluing and injection molding. When the connection mode of injection molding is adopted, the aluminum bar 5 and the U-shaped bracket 1 form an integrated structure. During the concrete use, in the mold design of U type support 1, reserve the space of having arranged 5 of aluminium earlier, pre-buried row 5 of aluminium before moulding plastics, the mould unloading back row 5 of aluminium inlays and establishes in U type support 1. The mode efficiency of moulding plastics is higher, and the reliability is higher.
Claims (8)
1. The utility model provides a mounting structure of lithium cell, includes U type support, its characterized in that: u type support (1) one side be equipped with the opening, heat dissipation aluminum plate (2) are connected to the opening part, be located U type support (1) bottom and connect bottom plate (3), U type support (1), heat dissipation aluminum plate (2) splice into the rectangle structure with bottom plate (3), be equipped with heat conduction casting glue (4) in the rectangle structure, preceding terminal surface and the rear end face that is located U type support (1) are equipped with a plurality of electric core installation punch combination respectively, electric core installation punch combination is including arranging electric core mounting hole (6) on the row and arrange electric core mounting hole (7) down, it arranges (5) to arrange electric core mounting hole (6) on the row and arrange between electric core mounting hole (7) down to be equipped with aluminium, it all is mutual staggered arrangement to arrange electric core mounting hole (6) on the row and arrange electric.
2. A mounting structure of a lithium battery as claimed in claim 1, wherein: the upper row of battery cell mounting holes (6) and the lower row of battery cell mounting holes (7) are arranged in a W shape.
3. A mounting structure of a lithium battery as claimed in claim 1, wherein: the front end and the rear end of the battery cell (10) are respectively arranged in the battery cell mounting hole groups at the front end and the rear end, and the front end and the rear end of the battery cell (10) respectively extend out of the front side and the rear side of the battery cell mounting hole groups.
4. A mounting structure of a lithium battery as claimed in claim 1, wherein: the battery cell (10) at the upper row battery cell mounting hole (6) and the lower row battery cell mounting hole (7) is connected with the aluminum row (5) through an aluminum wire (8).
5. The mounting structure of a lithium battery as claimed in claim 1 or 4, wherein: the aluminum row (5) is in a wave shape.
6. The mounting structure of a lithium battery as claimed in claim 1 or 4, wherein: the aluminum bar (5) is fixed on the U-shaped support (1), and the aluminum bar (5) and the U-shaped support (1) are of an integrated structure.
7. A mounting structure of a lithium battery as claimed in claim 1, wherein: the bottom of the bottom plate (3) is connected with a base (9).
8. A mounting structure of a lithium battery as claimed in claim 1, wherein: the viscosity of the heat-conducting pouring sealant (4) at 25 ℃ is 3500 +/-500 mpa · s, the hardness of the heat-conducting pouring sealant (4) after solidification is 60 +/-10 JISA, and the flame retardant rating of the heat-conducting pouring sealant (4) is 94V-0 UL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021628343.XU CN212676353U (en) | 2020-08-07 | 2020-08-07 | Mounting structure of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021628343.XU CN212676353U (en) | 2020-08-07 | 2020-08-07 | Mounting structure of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212676353U true CN212676353U (en) | 2021-03-09 |
Family
ID=74821235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021628343.XU Active CN212676353U (en) | 2020-08-07 | 2020-08-07 | Mounting structure of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212676353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130968A (en) * | 2021-04-14 | 2021-07-16 | 湖北亿纬动力有限公司 | Manufacturing method of battery module and battery module |
| CN115280587A (en) * | 2021-08-05 | 2022-11-01 | 广东高标电子科技有限公司 | Battery unit and electric power-assisted vehicle |
-
2020
- 2020-08-07 CN CN202021628343.XU patent/CN212676353U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130968A (en) * | 2021-04-14 | 2021-07-16 | 湖北亿纬动力有限公司 | Manufacturing method of battery module and battery module |
| CN115280587A (en) * | 2021-08-05 | 2022-11-01 | 广东高标电子科技有限公司 | Battery unit and electric power-assisted vehicle |
| CN115280587B (en) * | 2021-08-05 | 2023-11-17 | 广东高标智能科技股份有限公司 | Battery unit and electric power-assisted vehicle |
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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: 201414 Building 9, No. 3492 Guangming Qianqian Road, Qingcun Town, Fengxian District, Shanghai Patentee after: Shanghai paizhi Energy Co.,Ltd. Address before: 201406 Building 9, 3492 Guangming Jinqian Road, Qingcun Town, Fengxian District, Shanghai Patentee before: SHANGHAI DLG ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201414 Building 9, No. 3492 Guangming Qianqian Road, Qingcun Town, Fengxian District, Shanghai Patentee after: Shanghai Paizhi Energy Co.,Ltd. Address before: 201414 Building 9, No. 3492 Guangming Qianqian Road, Qingcun Town, Fengxian District, Shanghai Patentee before: Shanghai paizhi Energy Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An installation structure for lithium batteries Granted publication date: 20210309 Pledgee: Shanghai Bank Co.,Ltd. Fengxian Branch Pledgor: Shanghai Paizhi Energy Co.,Ltd. Registration number: Y2024980005210 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |