CN217768594U - Soft packet of module structure of car battery - Google Patents
Soft packet of module structure of car battery Download PDFInfo
- Publication number
- CN217768594U CN217768594U CN202121938407.0U CN202121938407U CN217768594U CN 217768594 U CN217768594 U CN 217768594U CN 202121938407 U CN202121938407 U CN 202121938407U CN 217768594 U CN217768594 U CN 217768594U
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- end plate
- battery cell
- aluminum
- battery
- module
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 89
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 89
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000005070 sampling Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Classifications
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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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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a lithium battery module technical field, concretely relates to soft packet of module structure of car battery, include: the battery cell comprises an upper end plate and a lower end plate, wherein at least one battery cell module is arranged between the upper end plate and the lower end plate, upper end plate insulation is arranged between the battery cell module and the upper end plate, lower end plate insulation is arranged between the battery cell module and the lower end plate, electrified heating sheets are arranged on two sides of the battery cell module, an aluminum bar assembly is further arranged at the front end of the battery cell module and welded between a second boss and a mounting plate, two insulation protective covers are further arranged at the front end of the aluminum bar assembly, and the upper end plate, the lower end plate and the heating sheets are fixed by steel belts; by adopting the scheme that the bracket and every two battery cores share one heat-conducting aluminum groove, the weight of the module is effectively reduced, and meanwhile, a good effect on cost control is achieved; in addition, the new project can be quickly imported, the early equipment investment is less, and the process is simple.
Description
Technical Field
The utility model relates to a lithium battery module technical field, concretely relates to soft packet of module structure of car battery.
Background
The new energy automobile industry is vigorously developed under the promotion of the country, the situation of hundred-family struggle is formed, the vigorous development of the automobile battery industry is driven, under the situation, each battery enterprise conforms to the industry requirements, and a battery core which is suitable for the development of the enterprise is developed. The main forms of the conventional power battery for the electric automobile are a square aluminum shell, a soft package and a cylinder, wherein the soft package battery core has good safety performance, light weight, large capacity, small internal resistance and flexible design, and occupies a place in the market.
In the current battery industry, the grouping of soft package battery cell modules mainly has two forms. One is through lying with electric core side and piling up, increase buffering bubble cotton and heat conduction aluminum sheet between the electric core, wherein the buffering bubble is cotton can effectively offset the dimensional change that soft-packaged electric core brought when expanding, provides certain pressure simultaneously, is favorable to electric core full life cycle's cycle work, and heat conduction aluminum sheet can be for every electric core provides efficient heat transmission channel, again with electric core front and back utmost point post and sampling installation target in place, weld into the standard VDA module with aluminium alloy bucket and end plate at last. The standard module manufactured in the mode has the advantages of length 355, width 151 and height 108, is suitable for passenger cars, is good in universality and easy to automate, but boxes with various sizes are quite popular in other various application environments. Secondly, the battery cell is arranged in a support, foam and heat conducting aluminum sheets are respectively attached to two sides of the support, so that a module is formed, then the required number of modules are overlapped (attention is paid to the change of serial-parallel numbers), the front end and the rear end of the module are respectively added with an insulating sheet and an end plate, the module is tightly pressed by a long screw or a steel belt, finally, the tab above the module is led out in serial-parallel connection, and the sampling line is installed in place and then covered with an insulating cover. This mode module is changeable according to the difference of electric core, is applicable to various occasions, but plastic support and heat conduction aluminum sheet quantity are big, have brought not little pressure for weight and cost.
Disclosure of Invention
According to the problem that the background art provided, the utility model provides a soft packet of module structure of car battery solves, it is right next the utility model discloses do further to explain.
The utility model provides a soft packet of module structure of car battery, includes: the battery cell assembly comprises an upper end plate and a lower end plate, at least one battery cell module is arranged between the upper end plate and the lower end plate, upper end plate insulation is arranged between the battery cell module and the upper end plate, lower end plate insulation is arranged between the battery cell module and the lower end plate, energized heating sheets are arranged on two sides of the battery cell module, the battery cell module comprises a battery cell which is arranged up and down, two tabs are welded at one end of the battery cell, a support is further arranged at one end of the battery cell, the two battery cells share one support, first fixing columns are arranged at two ends of the support, first clamping columns are arranged at the lower ends of the first fixing columns, first clamping grooves matched with the first clamping columns are formed at the upper ends of the first fixing columns and used for fixing the adjacent battery cell modules, a mounting plate is arranged on one side of the first fixing columns, the first fixing columns and the mounting plate form a first mounting groove, second fixing columns are arranged on the first mounting groove, the second fixing columns comprise supporting columns, second bosses are arranged on the supporting columns, a second mounting groove is arranged between the first fixing columns, a plurality of the second fixing columns, a wire harness groove is formed between the two horizontally arranged between the second fixing end plate assemblies, and an aluminum strip assembly is arranged below the upper end plate assembly, and an aluminum strip assembly is arranged between the second fixing shield assembly, and an aluminum strip assembly is arranged below the second fixing assembly, and an aluminum strip assembly is arranged between the second fixing plate assembly, and an aluminum strip assembly is arranged below the second heat conducting assembly, and an aluminum strip assembly is arranged below the second heat conducting assembly, and an aluminum strip assembly is arranged on the upper end plate assembly, and an aluminum strip assembly, and an aluminum assembly is arranged below the second heat conducting assembly;
preferably, the assembly is arranged to the aluminium and is divided into left aluminium row assembly and right aluminium row assembly, left aluminium row assembly includes: the aluminium bar that converges, adjacent two be equipped with the parting bead between the aluminium bar that converges, right side aluminium is arranged the assembly and is included: the aluminum busbar comprises bus aluminum busbars, a plurality of bus aluminum busbars are arranged between the bus aluminum busbars, and partition bars are arranged between the bus aluminum busbars; grooves penetrating through the lugs are formed in the bus bar aluminum bar and the bus bar aluminum bar; the pole lugs are welded with the aluminum row assembly in a laser mode through 90-degree bending;
preferably, a second clamping column is further arranged at the upper end of the supporting column, and a second clamping groove matched with the second clamping column is formed in the insulating shield;
preferably, a plurality of first bosses are uniformly arranged below the bracket, and waist-shaped holes matched with the first bosses are formed in the heat conduction aluminum groove and the lower end plate insulation;
preferably, the outer surface of the heat-conducting aluminum groove is coated with an electrophoretic coating;
preferably, the insulation shield is corrugated;
preferably, four pieces of foam are arranged on two sides of the battery cell above the battery cell;
preferably, a plurality of mounting holes are uniformly formed in the lower end plate;
preferably, the steel belt can be replaced by a plastic steel belt;
has the advantages that: compared with the prior art, the utility model has the advantages that the weight of the module is effectively reduced by adopting the scheme that the bracket and every two battery cores share one heat-conducting aluminum groove, and meanwhile, the cost control is well realized; in addition, the new project can be quickly imported, the early-stage equipment investment is low, the process is simple, a wiring harness sampling mode is adopted, the wiring harnesses are led out from the wiring grooves according to the series connection sequence and are communicated with the connector, and the modularization and the standardization of the module are realized.
Drawings
FIG. 1: the utility model relates to an explosion structure schematic diagram of a soft package module structure of an automobile battery;
FIG. 2 is a schematic diagram: the utility model relates to an explosion structure schematic diagram of an electric core module of a soft package module structure of an automobile battery;
FIG. 3: the utility model relates to a structural support schematic diagram of a soft package module of an automobile battery;
FIG. 4: the utility model relates to a structure schematic diagram of an aluminum row assembly with a soft package module structure of an automobile battery;
FIG. 5: the utility model relates to a schematic diagram of a lower end plate structure of a soft package module structure of an automobile battery;
FIG. 6: the utility model relates to an enlarged structure schematic diagram of a position A of a soft package module structure of an automobile battery;
FIG. 7: the utility model relates to an enlarged structure schematic diagram at the B part of the structure of a soft package module of an automobile battery;
FIG. 8: the utility model relates to an enlarged structure schematic diagram of a soft package module structure C of an automobile battery;
in the figure: the battery comprises an upper end plate 1, a lower end plate 2, a mounting hole 201, a battery cell module 3, an upper end plate insulator 4, a lower end plate insulator 5, a heating sheet 6, a battery cell 301, a tab 302, a support 303, a first fixing column 3031, a first clamping column 3032, a first clamping groove 3033, a mounting plate 3034, a first mounting groove 3035, a second fixing column 3036, a supporting column 3037, a second boss 3038, a second mounting groove 3039, a wiring harness groove 3040, a second clamping column 3041, a first boss 3042, a heat-conducting aluminum groove 304, a kidney-shaped hole 305, foam 306, an aluminum row assembly 7, a left aluminum row assembly 701, a bus aluminum row 7011, a spacer 7012, a right aluminum row assembly 702, a total pole aluminum row 7021, a 703 groove, an insulating shield 8, a second clamping groove 801 and a steel belt 9;
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to fig. 1-8.
The utility model provides a soft packet of module structure of car battery, includes: the battery cell module comprises an upper end plate 1 and a lower end plate 2, at least one battery cell module 3 is arranged between the upper end plate 1 and the lower end plate 2, upper end plate insulation 4 is arranged between the battery cell module 3 and the upper end plate 1, lower end plate insulation 5 is arranged between the battery cell module 3 and the lower end plate 2, energized heating sheets 6 are arranged on two sides of the battery cell module 3, the battery cell module 3 comprises a battery cell 301 which is arranged up and down, two tabs 302 are welded on one end of the battery cell 301, a support 303 is further arranged on one end of the battery cell 301, the two battery cells 301 share one support 303, first fixing columns 3031 are arranged on two ends of the support 303, first clamping columns 3032 are arranged on the lower ends of the first fixing columns 3031, first clamping grooves 3033 which are matched with the first clamping columns 3032 are arranged on the upper ends of the battery cell 301 and are used for fixing the adjacent battery cell modules 3, and a mounting plate 3034 is arranged on one side of the first fixing columns 3031, the first fixing column 3031 and the mounting plate 3034 form a first mounting groove 3035, the first mounting groove 3035 is provided with a second fixing column 3036, the second fixing column 3036 includes a support column 3037, the support column 3037 is provided with a second boss 3038, a second mounting groove 3039 is further provided between the first fixing columns 3031, the second mounting groove 3039 is uniformly provided with a plurality of second fixing columns 3036, a wiring harness groove 3040 is formed between two horizontally placed second fixing columns 3036, the wiring harness groove 3040 is used for routing of a module structure, the battery cell 301 below is provided with a heat-conducting aluminum groove 304, the heat-conducting aluminum groove 304 is convenient for heat diffusion when the battery cell 301 is charged and discharged, and when the temperature is too low, the heat is uniformly transmitted to the battery cell 201 by the powered heating sheet 6, so that effective temperature control of the battery system is realized, and the front end of the battery cell module 3 is further provided with an aluminum busbar assembly 7, the aluminum bar assembly 7 is welded between the second boss 3038 and the mounting plate 3034, two insulating shields 8 are further arranged at the front end of the aluminum bar assembly 7, and the upper end plate 1, the lower end plate 2 and the heating plate are fixed by steel strips 9;
further, the aluminum row assembly 7 is divided into a left aluminum row assembly 701 and a right aluminum row assembly 702, and the left aluminum row assembly 701 includes: busbar 7011, two adjacent busbar 7011 are equipped with division bar 7012 between the busbar 7011, right side aluminium bar assembly 702 includes: a plurality of bus aluminum bars 7011 are arranged between the bus aluminum bars 7021, and a spacer 7012 is arranged between the bus aluminum bars 7021 and the bus aluminum bars 7011; grooves 703 which penetrate through the tabs 302 are formed in the total pole aluminum bar 7021 and the bus aluminum bar 7011; the tab 302 is laser welded with the aluminum bar assembly 7 through 90-degree bending, and the adjacent bus aluminum bar 7011, the bus aluminum bar 7011 and the bus aluminum bar 7021 are separated through the division bar 7012, so that the safety of the tab in the installation and use processes is ensured;
further, in order to make the insulating shield 9 be mounted on the battery cell module 3 more conveniently, the upper end of the supporting column 3037 is further provided with a second clamping column 3041, and the insulating shield 8 is provided with a second clamping groove 801 matched with the second clamping column 3041;
further, in order to ensure that the heat conducting aluminum groove 304 and the lower end plate insulation 5 are kept fixed during use: a plurality of first bosses 3042 are uniformly arranged below the bracket 303, and waist-shaped holes 305 matched with the first bosses 3042 are arranged on the heat conducting aluminum groove 304 and the lower end plate insulation 5;
further, an electrophoretic coating is coated on the outer surface of the heat-conducting aluminum groove 304, so that the insulation and voltage resistance requirements between the battery cell 301 and the heat-conducting aluminum groove 304 are met;
further, in order to increase the strength and rigidity of the insulating cover 8 and to make the fixing effect better, the insulating cover 8 is corrugated;
furthermore, in order to effectively absorb the expansion caused by the use of the battery cell 301, four pieces of foam 306 are arranged on two sides of the battery cell 301 above;
further, in order to fix the module structure on the box body, a plurality of mounting holes 201 are uniformly formed on the lower end plate 2;
furthermore, during manufacturing, attention needs to be paid to ensure the design size of the module, the pressure received by the battery cell is well controlled, and the battery cell is in the best circulating pressure when the mechanical strength is ensured; in some working conditions with low vibration requirements, the steel belt 9 can be replaced by a plastic steel belt;
compared with the prior art, the utility model has the advantages that the weight of the module is effectively reduced by adopting the scheme that the bracket and every two battery cores share one heat-conducting aluminum groove, and meanwhile, the cost control is well realized; in addition, the new project can be quickly imported, the early-stage equipment investment is less, the process is simple, a wiring harness sampling mode is adopted, the wiring harness is led out from the wiring grooves according to the series sequence and is communicated with the connector, and the modularization and the standardization of the module are realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a soft packet of module structure of car battery which characterized in that: the method comprises the following steps: the battery cell module comprises an upper end plate (1) and a lower end plate (2), at least one battery cell module (3) is arranged between the upper end plate (1) and the lower end plate (2), an upper end plate insulator (4) is arranged between the battery cell module (3) and the upper end plate (1), a lower end plate insulator (5) is arranged between the battery cell module (3) and the lower end plate (2), energized heating sheets (6) are arranged on two sides of the battery cell module (3), the battery cell module (3) comprises battery cells (301) arranged up and down, two tabs (302) are welded at one end of each battery cell (301), a support (303) is further arranged at one end of each battery cell (301), the two battery cells (301) share one support (303), first fixing columns (3031) are arranged at two ends of the support (303), first clamping columns (3032) are arranged at the lower ends of the first fixing columns (3031), first clamping slots (3033) matched with the first clamping columns (3032) are arranged at the upper ends of the two battery cells (301), the two adjacent battery cell modules (3) are used for fixing the battery cell modules, a first fixing groove (3034) is arranged on one side of the first fixing column (3031), a first mounting groove (3034) is formed by the first mounting groove (3035) and a second mounting groove (3035), the second fixing column (3036) comprises a supporting column (3037), a second boss (3038) is arranged on the supporting column (3037), a second mounting groove (3039) is further arranged between the first fixing columns (3031), a plurality of second fixing columns (3036) are uniformly arranged in the second mounting groove (3039), a line bundle groove (3040) is formed between the two horizontally arranged second fixing columns (3036), a heat conduction aluminum groove (304) is arranged below the battery cell (301), an aluminum bar assembly (7) is further arranged at the front end of the battery cell module (3), the aluminum bar assembly (7) is welded between the second boss (3038) and the mounting plate (3034), two insulating shields (8) are further arranged at the front end of the aluminum bar assembly (7), and the upper end plate (1), the lower end plate (2) and the heating plate (6) are fixed by adopting a steel belt (9).
2. The automobile battery soft package module structure according to claim 1, characterized in that: aluminium row assembly (7) are divided into left aluminium row assembly (701) and right aluminium row assembly (702), left side aluminium row assembly (701) includes: busbar aluminum bar (7011), two adjacent be equipped with parting bead (7012) between busbar aluminum bar (7011), right side aluminum bar assembly (702) includes: the aluminum busbar structure comprises aluminum busbars (7021) of a total pole, a plurality of bus aluminum busbars (7011) are arranged between the aluminum busbars (7021), and a spacer bar (7012) is arranged between the aluminum busbars (7021) of the total pole and the bus aluminum busbars (7011); grooves (703) penetrating through the lugs (302) are formed in the main pole aluminum bar (7021) and the bus bar aluminum bar (7011); the pole lug (302) is welded with the aluminum row assembly (7) in a laser mode through 90-degree bending.
3. The soft packet of module structure of car battery of claim 1, characterized in that: the upper end of the support column (3037) is further provided with a second clamping column (3041), and a second clamping groove (801) matched with the second clamping column (3041) is arranged on the insulating shield (8).
4. The automobile battery soft package module structure according to claim 1, characterized in that: a plurality of first bosses (3042) are uniformly arranged below the bracket (303), and waist-shaped holes (305) matched with the first bosses (3042) are formed in the heat-conducting aluminum groove (304) and the lower end plate insulator (5).
5. The automobile battery soft package module structure according to any one of claims 1 to 4, characterized in that: the outer surface of the heat-conducting aluminum groove (304) is coated with an electrophoretic coating.
6. The soft packet of module structure of car battery of claim 1, characterized in that: the insulating shield (8) is corrugated.
7. The automobile battery soft package module structure according to claim 1, characterized in that: four pieces of foam (306) are arranged on two sides of the battery cell (301) above.
8. The automobile battery soft package module structure according to claim 1, characterized in that: a plurality of mounting holes (201) are uniformly formed in the lower end plate (2).
9. The automobile battery soft package module structure according to claim 1, characterized in that: the steel belt (9) can be replaced by a plastic steel belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121938407.0U CN217768594U (en) | 2021-08-18 | 2021-08-18 | Soft packet of module structure of car battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121938407.0U CN217768594U (en) | 2021-08-18 | 2021-08-18 | Soft packet of module structure of car battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217768594U true CN217768594U (en) | 2022-11-08 |
Family
ID=83869840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121938407.0U Active CN217768594U (en) | 2021-08-18 | 2021-08-18 | Soft packet of module structure of car battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217768594U (en) |
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2021
- 2021-08-18 CN CN202121938407.0U patent/CN217768594U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 313000 No.18, Baoqiao Road, Huaxi street, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Tianneng Energy Storage Technology Development Co.,Ltd. Country or region after: China Address before: 313000 No.18, Baoqiao Road, Huaxi street, Changxing County, Huzhou City, Zhejiang Province Patentee before: Tianneng Shuai Fude Energy Co.,Ltd. Country or region before: China |