CN210349920U - Soft packet of lithium cell module structure - Google Patents
Soft packet of lithium cell module structure Download PDFInfo
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- CN210349920U CN210349920U CN201921421830.6U CN201921421830U CN210349920U CN 210349920 U CN210349920 U CN 210349920U CN 201921421830 U CN201921421830 U CN 201921421830U CN 210349920 U CN210349920 U CN 210349920U
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- 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
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Abstract
The utility model relates to a soft package lithium battery module structure, which comprises an electric core and a shell, wherein the shell comprises an upper plate, a lower plate, a rear fixing plate and a front fixing plate, the left lower corner of the front and the rear fixing plates is respectively provided with a glue injection hole, the upper side of the lower plate is provided with a heat conduction material, the upper side of the heat conduction material is provided with a battery integral module, the upper middle part of the battery integral module is provided with a FPC connecting wire, the front end of the battery integral module is provided with a PCB bearing plate, the lower side of the PCB bearing plate is connected with a connecting feeler, the lower side of the connecting feeler is connected with a busbar, the middle, the battery cell parallel connection structure comprises a plurality of parallel battery cell series-parallel connection modules, wherein the two ends of each module are connected with a Busbar assembly, each Busbar assembly comprises an insulating part and a Busbar, the middle part of each Busbar is provided with a hole, and each insulating part comprises a guide structure, a carding structure and a battery cell top sealing support structure; the utility model has the advantages of simple structure, space utilization are high, the module is efficient, the heat conduction effect is good in groups.
Description
Technical Field
The utility model relates to a soft packet of lithium cell field, concretely relates to soft packet of lithium cell module structure.
Background
The lithium ion battery has the advantages of light weight, large energy storage, large power, no pollution, long service life, small self-discharge coefficient, wide temperature adaptation range and the like, and is gradually favored by people, other traditional batteries are gradually replaced in the fields of energy storage and power batteries, for the soft package lithium battery, as the strength of the battery core is poorer compared with that of a square aluminum shell and a cylindrical battery, the size precision is not as high as that of the square aluminum shell and the cylindrical battery, and the heat dissipation of the battery core is poor, the protection of the module on the battery core, the assembly of the module and the heat conduction of the battery core are always an industrial problem, but the protection of the module on the battery core is related to the safety of the module, the quality and the service life of the module are also influenced by the consistency of the assembly structure of the module, and the heat management of the battery core has extremely critical influence on the service life of the battery core, so that the lithium ion, The soft package lithium battery module structure with good heat conduction effect is very necessary.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide a simple structure, electric core space utilization is high, the module is efficient, the effectual soft packet of lithium cell module structure of heat conduction in groups.
The purpose of the utility model is realized like this: the utility model provides a soft packet of lithium cell module structure, it includes electric core, shell, the shell include plate, lower plate, after-fixing board, preceding fixed plate, the left lower part of preceding fixed plate and after-fixing board be provided with a rubber injection hole respectively, last plate front and back edge be provided with the bolt respectively, lower plate upside be provided with the heat conduction material, the heat conduction material upside be provided with the whole module of battery, the whole module of battery include module, bus bar subassembly, signal acquisition subassembly, the outside of bus bar subassembly be provided with signal acquisition subassembly, bus bar subassembly include insulating part and Busbar, the Busbar middle part be provided with the hole, insulating part include guide structure, carding structure and electric core top seal bearing structure, signal acquisition subassembly include FPC connecting wire, PCB bearing plate, connection feeler, signal output connector, Fusing device, the whole module of battery in upper portion be provided with the FPC connecting wire, the whole module front end of battery be provided with the PCB bearing plate, PCB bearing plate downside be connected with and connect the feeler, the connection feeler downside be connected to the Busbar, PCB bearing plate middle part be provided with the signal output connector, PCB bearing plate middle part transversely be provided with fusing device, electric core parallel connection and fill the bubble cotton between parallelly connected electric core and constitute parallelly connected electric core unit together, parallelly connected electric core unit cluster parallelly connected constitution module, the mould around both ends be connected with the bus subassembly.
The battery cell is a soft-packaged battery cell with battery cell lugs at two sides.
The guide structure is Y-shaped.
The carding structure is a group of parallel grooves.
The battery cell top seal supporting and filling structure is composed of bosses among the carding structures.
The connection mode of the battery cell lug and the busbar is welding.
The bottom of the lower plate is connected with the front fixing plate and the rear fixing plate through bolts, the front side and the rear side of the upper plate are connected with the front fixing plate and the rear fixing plate through bolts, the vertical side of the lower plate is connected with the front fixing plate and the rear fixing plate through bolts, the lower plate is welded, preferably laser welded, and the left side and the right side of the upper plate are connected with the lower plate through welding, preferably laser welded.
And a heat-resistant material is arranged between the parallel battery cell units and the parallel battery cell units, and the heat-resistant material is a mica plate.
The heat conduction material is a heat conduction silica gel pad or heat conduction glue.
The utility model has the advantages that: the utility model discloses when using, the bubble of the two-sided gum of packing between the soft-packaged electrical core is cotton, can absorb electric core charge-discharge and ageing (BOL to EOL) produced inflation, place thermal-insulated or the thermal-resistant material of two-sided gum between the series connection electric core, the heat that the module out of control electricity core produced when out of control is to the normal electric core's of next door speed of stretching, glue injection hole through on preceding fixed plate and the after-fixing board carries out the injecting glue, used glue has heat conduction and the function of caulking, the inside clearance of module is filled to glue, let the module have better performance and intensity of generating heat, the module provides good protection to the weak position of electricity core, structure convenient assembling, and the module structure has that heat conduction is effectual, space utilization is high, advantages such as light in weight.
Drawings
Fig. 1 is the utility model discloses the schematic diagram of soft packet of lithium battery module structure assembly.
Fig. 2 is the utility model discloses the cotton schematic diagram of assembly bubble between the parallelly connected electric core of soft packet of lithium cell module structure.
Fig. 3 is the utility model discloses the assembly is thermal-insulated or the schematic diagram that hinders the hot material between the soft packet of lithium battery module structure series connection electric core.
Fig. 4 is the utility model discloses soft packet of lithium cell module structure Busbar subassembly's schematic diagram.
Fig. 5 is the utility model discloses soft packet of lithium battery module structure assembly process's schematic diagram.
Fig. 6 is the utility model discloses soft packet of lithium battery module structure FPC signal acquisition subassembly assembly's schematic diagram.
Fig. 7 is the utility model discloses soft packet of lithium battery module structure assembly accomplishes's schematic diagram.
Fig. 8 is the utility model discloses soft packet of lithium battery module structure shell body welded schematic diagram.
In the figure: 1. electric core 2, bubble cotton 3, parallelly connected electric core unit 4, hinder hot device 5, Busbar subassembly 6, guide structure 7, electric core top seal bearing structure 8, Busbar 9, hole 10, carding structure 11, insulating part 12, top seal 13, electric core utmost point ear 14, FPC connecting wire 15, PCB bearing plate 16, signal output connector 17, fusing device 18, preceding fixed plate 19, after-fixing board 20, go up plate 21, lower plate 22, heat conduction material 23, bolt 24, injecting glue hole 25, laser welding 26, module 27, the whole module 28 of battery, connect feeler 29, shell 30, the signal acquisition subassembly.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-8, a soft package lithium battery module structure includes a battery core 1 and a housing 29, where the housing 29 includes an upper plate 20, a lower plate 21, a rear fixing plate 19 and a front fixing plate 18, the lower left corners of the front fixing plate 18 and the rear fixing plate 19 are respectively provided with an injection hole 24, the front and rear edges of the upper plate 20 are respectively provided with a bolt 23, the upper side of the lower plate 21 is provided with a heat conducting material 22, the upper side of the heat conducting material 22 is provided with a battery integral module 27, the battery integral module 27 includes a module 26, a buss bar assembly 5 and a signal acquisition assembly 30, the buss bar assembly 5 includes an insulating part 11 and a bus bar 8, the middle part of the bus bar 8 is provided with a hole 9, the insulating part 11 includes a guide structure 6, a carding structure 10 and a battery core top sealing support structure 7, the signal acquisition assembly 30 includes an FPC connection line 14, PCB bearing plate 15, connection feeler 28, signal output connector 16 and fuse device 17, the whole module 27 of battery in upper portion be provided with FPC connecting wire 14, the whole module 26 front end of battery be provided with PCB bearing plate 15, the whole module 15 downside of PCB be connected with connection feeler 28, connection feeler 28 downside be connected to Busbar 8, the whole module 15 middle part of PCB bearing plate be provided with signal output connector 16, the whole module 15 middle part of PCB bearing plate transversely be provided with fuse device 17, electric core 1 parallel connection and fill the cotton 2 of bubble and constitute parallelly connected electric core unit 3 together between parallelly connected electric core 1, parallelly connected electric core unit 3 cluster parallelly connected constitution module 26, module 26 around both ends be provided with Busbar subassembly 5.
The utility model discloses when using, the bubble of the two-sided gum of packing between the soft-packaged electrical core 1 is cotton 2, can absorb 1 charge-discharge of electric core and ageing (BOL to EOL) produced inflation, place thermal-insulated or thermal-resistant material 4 of two-sided gum between the series connection electric core 1, the heat that the electric core 1 produced out of control when can alleviating module 26 out of control is to the normal electric core 1's of next door speed of stretching, glue injection hole 24 through on preceding fixed plate 18 and the back fixed plate 19 carries out the injecting glue, used glue has the heat conduction function of caulking, glue fills the inside clearance of module 26, let module 26 have better heating performance and intensity, module 26 provides good protection to electric core 1 weak position, structure convenient assembling, and module 26 structure has that the heat conduction is effectual, space utilization is high, advantages such as light in weight.
Example 2
As shown in fig. 1-8, a soft package lithium battery module structure includes a battery core 1 and a housing 29, where the housing 29 includes an upper plate 20, a lower plate 21, a rear fixing plate 19 and a front fixing plate 18, the lower left corners of the front fixing plate 18 and the rear fixing plate 19 are respectively provided with an injection hole 24, the front and rear edges of the upper plate 20 are respectively provided with a bolt 23, the upper side of the lower plate 21 is provided with a heat conducting material 22, the upper side of the heat conducting material 22 is provided with a battery integral module 27, the battery integral module 27 includes a module 26, a buss bar assembly 5 and a signal acquisition assembly 30, the buss bar assembly 5 includes an insulating part 11 and a bus bar 8, the middle part of the bus bar 8 is provided with a hole 9, the insulating part 11 includes a guide structure 6, a carding structure 10 and a battery core top sealing support structure 7, the signal acquisition assembly 30 includes an FPC connection line 14, PCB bearing plate 15, connection feeler 28, signal output connector 16 and fuse device 17, the whole module 27 of battery in upper portion be provided with FPC connecting wire 14, the whole module 26 front end of battery be provided with PCB bearing plate 15, the whole module 15 downside of PCB be connected with connection feeler 28, connection feeler 28 downside be connected to Busbar 8, the whole module 15 middle part of PCB bearing plate be provided with signal output connector 16, the whole module 15 middle part of PCB bearing plate transversely be provided with fuse device 17, electric core 1 parallel connection and fill the cotton 2 of bubble and constitute parallelly connected electric core unit 3 together between parallelly connected electric core 1, parallelly connected electric core unit 3 cluster parallelly connected constitution module 26, module 26 around both ends be provided with Busbar subassembly 5.
For better effect, the battery cell 1 is a soft-packaged battery cell with battery cell tabs 13 at two sides.
For better effect, the guide structure 6 is Y-shaped, and the stacked cell tabs 13 and the top seal 12 can be easily inserted into the Busbar assembly 5 through the Y-shaped guide structure 6.
For better effect, the carding structure 10 is a set of parallel grooves, each battery cell tab 13 and the top seal 12 enter the corresponding parallel groove through the guide structure 6, and the battery cell top seal 12 inserts the battery cell tab 13 into the hole 9 on the busbar through the deviation rectification of the carding structure 10.
For better effect, electric core top seal support filling structure 7 constitute by the boss between carding structure 10, play the supporting role to top seal 12 to filled the space between top seal 12, reduced the inside encapsulating volume of module 26, promote module 26 energy density, reduce module 26 cost.
For better effect, the connection mode of the cell tab 13 and the bus bar 8 is welding.
For better effect, lower plate 21 bottom pass through bolt 23 and be connected with preceding fixed plate 18 and after-fixing board 19, last plate 20 front and back limit pass through bolt 23 and be connected with preceding fixed plate 18 and after-fixing board 19, lower plate 21 and the connected mode of preceding fixed plate 18 and after-fixing board 19 be the welding, more preferably laser welding, the connected mode of both sides and lower plate 21 about last plate 20 be the welding, more preferably laser welding.
For better results, the connecting antenna 28 is connected to the bus bar 5 of the Busbar assembly 5 by means of a laser welding 25, so that the voltage signal is detected.
For better effect, parallelly connected electric core unit 3 and parallelly connected electric core unit 3 between be provided with heat-resistant material 4, heat-resistant material 4 be the mica plate to slow down the stretching speed of the normal electric core 1 of next door of the heat that the electric core 1 produced of out of control when module 26 thermal runaway.
For better effect, the heat conducting material 22 is a heat conducting silica gel pad or heat conducting glue, which can accelerate the heat conducting rate between the battery cell 1 and the outside.
The utility model discloses when using, the bubble of the two-sided gum of packing between the soft-packaged electrical core is cotton 2, can absorb 1 charge-discharge of electric core and ageing (BOL to EOL) produced inflation, place thermal-insulated or thermal-resistant material 4 of two-sided gum between the series connection electric core 1, can alleviate module 26 when out of control the heat that electric core 1 produced of out of control was to the normal electric core 1's of next door speed of stretching, glue injection hole 24 through on preceding fixed plate 18 and the after-fixing board 19 carries out the injecting glue, used glue has the heat conduction function of caulking, the inside clearance of module 26 is filled to glue, let module 26 have better heating performance and intensity, module 26 provides good protection to electric core 1 weak position, structure convenient assembling, and module 26 structure has that the heat conduction is effectual, space utilization is high, advantages such as light in weight.
Claims (10)
1. The utility model provides a soft packet of lithium cell module structure, it includes electric core, shell, its characterized in that: the shell comprises an upper plate, a lower plate, a rear fixing plate and a front fixing plate, glue injection holes are respectively arranged at the lower left corners of the front fixing plate and the rear fixing plate, bolts are respectively arranged at the front edge and the rear edge of the upper plate, a heat conduction material is arranged at the upper side of the lower plate, a battery integral module is arranged at the upper side of the heat conduction material, the battery integral module comprises a module, a bus bar component and an information acquisition device, a signal acquisition component is arranged at the outer side of the bus bar component, the bus bar component comprises an insulation part and a bus bar, a hole is arranged in the middle of the bus bar, the insulation part comprises a guide structure, a carding structure and a battery cell top sealing support structure, the signal acquisition component comprises an FPC (flexible printed circuit) connecting wire, a PCB (printed circuit board) bearing plate, a connecting antenna, a signal output connector and a fusing device, and an FPC connecting wire, the whole module front end of battery be provided with the PCB bearing plate, PCB bearing plate downside be connected with the connection feeler, the connection feeler downside connect and converge the flow row, PCB bearing plate middle part be provided with the signal output connector, PCB bearing plate middle part transversely be provided with fusing device, electric core parallel connection and fill the bubble cotton between parallelly connected electric core and constitute parallelly connected electric core unit together, parallelly connected electric core unit cluster parallel constitution module, the module around both ends be connected with the bus bar subassembly.
2. The soft package lithium battery module structure of claim 1, characterized in that: the battery cell is a soft-packaged battery cell with battery cell lugs at two sides.
3. The soft package lithium battery module structure of claim 1, characterized in that: the guide structure is Y-shaped.
4. The soft package lithium battery module structure of claim 1, characterized in that: the carding structure is a group of parallel grooves.
5. The soft package lithium battery module structure of claim 1, characterized in that: the battery cell top seal supporting and filling structure is composed of bosses among the carding structures.
6. The soft package lithium battery module structure of claim 2, characterized in that: the connection mode of the battery cell lug and the busbar is welding.
7. The soft package lithium battery module structure of claim 1, characterized in that: the bottom of the lower plate is connected with the front fixing plate and the rear fixing plate through bolts, the front side and the rear side of the upper plate are connected with the front fixing plate and the rear fixing plate through bolts, the vertical side of the lower plate is connected with the front fixing plate and the rear fixing plate through bolts, the lower plate is welded, preferably laser welded, and the left side and the right side of the upper plate are connected with the lower plate through welding, preferably laser welded.
8. The soft package lithium battery module structure of claim 1, characterized in that: the connecting antenna is connected with the bus bar of the Busbar component through laser welding.
9. The soft package lithium battery module structure of claim 1, characterized in that: and a heat-resistant material is arranged between the parallel battery cell units and the parallel battery cell units, and the heat-resistant material is a mica plate.
10. The soft package lithium battery module structure of claim 1, characterized in that: the heat conduction material is a heat conduction silica gel pad or heat conduction glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421830.6U CN210349920U (en) | 2019-08-29 | 2019-08-29 | Soft packet of lithium cell module structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421830.6U CN210349920U (en) | 2019-08-29 | 2019-08-29 | Soft packet of lithium cell module structure |
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| CN210349920U true CN210349920U (en) | 2020-04-17 |
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| CN201921421830.6U Active CN210349920U (en) | 2019-08-29 | 2019-08-29 | Soft packet of lithium cell module structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668419A (en) * | 2020-05-21 | 2020-09-15 | 合肥国轩高科动力能源有限公司 | Soft package battery module and assembling method thereof |
| CN112259865A (en) * | 2020-10-28 | 2021-01-22 | 荣盛盟固利新能源科技有限公司 | Battery module |
| CN113067109A (en) * | 2021-03-23 | 2021-07-02 | 远景动力技术(江苏)有限公司 | Busbar subassembly, battery module and vehicle |
| 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 |
| CN113659275A (en) * | 2021-08-20 | 2021-11-16 | 捷威动力工业江苏有限公司 | Soft packet of lithium ion power battery module structure |
| WO2022160264A1 (en) * | 2021-01-29 | 2022-08-04 | 东莞新能安科技有限公司 | Battery pack and electrical device |
| CN114865202A (en) * | 2022-05-06 | 2022-08-05 | 湖北钛时代新能源有限公司 | Battery assembly structure and battery assembly method |
| WO2023039909A1 (en) * | 2021-09-18 | 2023-03-23 | 东莞新能安科技有限公司 | Battery component and electric device |
-
2019
- 2019-08-29 CN CN201921421830.6U patent/CN210349920U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668419A (en) * | 2020-05-21 | 2020-09-15 | 合肥国轩高科动力能源有限公司 | Soft package battery module and assembling method thereof |
| CN111668419B (en) * | 2020-05-21 | 2022-04-12 | 合肥国轩高科动力能源有限公司 | Soft package battery module and assembling method thereof |
| CN112259865A (en) * | 2020-10-28 | 2021-01-22 | 荣盛盟固利新能源科技有限公司 | Battery module |
| WO2022160264A1 (en) * | 2021-01-29 | 2022-08-04 | 东莞新能安科技有限公司 | Battery pack and electrical device |
| CN113067109A (en) * | 2021-03-23 | 2021-07-02 | 远景动力技术(江苏)有限公司 | Busbar subassembly, battery module and vehicle |
| CN113067109B (en) * | 2021-03-23 | 2022-09-23 | 远景动力技术(江苏)有限公司 | Busbar subassembly, battery module and vehicle |
| 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 |
| CN113130968B (en) * | 2021-04-14 | 2023-05-05 | 湖北亿纬动力有限公司 | Manufacturing method of battery module and battery module |
| CN113659275A (en) * | 2021-08-20 | 2021-11-16 | 捷威动力工业江苏有限公司 | Soft packet of lithium ion power battery module structure |
| WO2023039909A1 (en) * | 2021-09-18 | 2023-03-23 | 东莞新能安科技有限公司 | Battery component and electric device |
| CN114865202A (en) * | 2022-05-06 | 2022-08-05 | 湖北钛时代新能源有限公司 | Battery assembly structure and battery assembly method |
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