CN204516815U - A kind of battery module cover plate combination structure - Google Patents
A kind of battery module cover plate combination structure Download PDFInfo
- Publication number
- CN204516815U CN204516815U CN201520076453.2U CN201520076453U CN204516815U CN 204516815 U CN204516815 U CN 204516815U CN 201520076453 U CN201520076453 U CN 201520076453U CN 204516815 U CN204516815 U CN 204516815U
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- CN
- China
- Prior art keywords
- press strip
- cell cover
- battery cap
- battery module
- battery
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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
Abstract
The utility model discloses a kind of battery module cover plate combination structure, comprise battery cap, press strip and cell cover, described battery cap is positioned at above cell cover, convex surface is had in the middle part of described battery cap lower surface, described cell cover there is concave surface, a convex surface or convex tendon is at least provided with in the middle part of described concave surface, described battery cap and cell cover are assembled by the first connector, press strip is provided with between described battery cap and cell cover, described press strip is provided with the groove of opening upwards, press strip is deformable material, described press strip is provided with convex surface or muscle structure, described press strip is fixed on cell cover by two the second connectors being positioned at its two ends.The utility model, by coordinating between cell cover with press strip, ensures cell cover fixing battery module effectively, at battery cap and cell cover design wire casing, radiator structure, can meet the every matching requirements of battery, reduce failure probability simultaneously.
Description
Technical field
The utility model relates to dynamic lithium battery field, specifically a kind of battery module cover plate combination structure.
Background technology
Current country has carried out supporting energetically to the development of new-energy automobile, and new-energy automobile enters the fast-developing phase.Lithium-ion battery systems is as the core component of car load, and it directly has influence on the performance of car load.And battery fixed form is varied, one of R&D direction of the fixed form Shi Ge great battery manufacturer of multiple battery module, existing upper cover plate combining structure formal cause cell cover is longer, can bend in the middle part of cell cover when two ends screw connects and upwarp, thus middle battery module cannot be made to compress, affect product quality, safety and life-span.
Utility model content
It is simple that the purpose of this utility model is to provide a kind of structure, and the cover plate combination structure of effective self-contained battery module, solves the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of battery module cover plate combination structure, comprise battery cap, press strip and cell cover, described battery cap is positioned at above cell cover, convex surface is had in the middle part of described battery cap lower surface, described cell cover there is concave surface, a convex surface or convex tendon is at least provided with in the middle part of described concave surface, described battery cap and cell cover are assembled by the first connector, press strip is provided with between described battery cap and cell cover, described press strip is provided with the groove of opening upwards, press strip is deformable material, described press strip is provided with convex surface or muscle structure, described press strip is fixed on cell cover by two the second connectors being positioned at its two ends, the concave surface of described battery cap and cell cover coordinates the space forming the fixing press strip of isolation, when convex surface on described cell cover or convex tendon and press strip coordinate, formation gap, two ends, the press strip distortion when the second connector tightens up, gap is eliminated.
Preferably, described battery cap is provided with some louvres.
Preferably, described cell cover is provided with wire casing structure and inserts, and the thickness of described cell cover is greater than the thickness of inserts.
Preferably, backing plate is provided with between described press strip and cell cover.
Preferably, described first connector, the second connector are bolt.
Preferably, the material of described battery cap and cell cover is fire retardant plastic, pottery or metal, if material is metal, must there be insulation coat on surface.
Preferably, the material of described press strip is metal or fire retardant plastic.
Compared with prior art, the beneficial effects of the utility model are: the utility model is by coordinating between cell cover with press strip, effectively ensure cell cover fixing battery module, simultaneously can at battery cap and cell cover design wire casing, radiator structure, meet the every matching requirements of battery, reduce failure probability.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of battery module cover plate combination structure.
Fig. 2 is the exploded perspective schematic diagram of battery module cover plate combination structure.
In figure: 1-battery cap, 2-press strip, 3-cell cover, 31-concave surface, 4-first connector, 5-second connector, 6-convex surface or convex tendon, 7-louvre, 8-wire casing structure, 9-inserts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of battery module cover plate combination structure, comprise battery cap 1, press strip 2 and cell cover 3, described battery cap 1 is positioned at above cell cover 3, described battery cap 1 is provided with some louvres 7, convex surface is had in the middle part of described battery cap 1 lower surface, described cell cover 3 there is concave surface 31, a convex surface or convex tendon 6 is at least provided with in the middle part of described concave surface 31, the height of described convex surface or convex tendon 6 is determined according to press strip 2 elastic deformation coefficient, the temper pressure provided in the middle part of cell cover 3 is provided, described cell cover 3 is provided with wire casing structure 8 and inserts 9, the thickness of described cell cover 3 is greater than the thickness of inserts 9, to ensure the electric insulation safety of system.
Described battery cap 1 and cell cover 3 are assembled by the first connector 4, press strip 2 is provided with between described battery cap 1 and cell cover 3, described press strip 2 is provided with the groove of opening upwards, described press strip 2 is provided with convex surface or muscle structure, backing plate is provided with between described press strip 2 and cell cover 3, described press strip 2 is fixed on cell cover 3 by two the second connectors 5 being positioned at its two ends, the concave surface 31 of described battery cap 1 and cell cover 3 coordinates the space forming the fixing press strip 2 of isolation, when convex surface on described battery cap 1 and press strip 2 coordinate, be out of shape to produce by press strip 2 and pressure is produced to cell cover 3 two ends and stage casing convex surface 6 place, prevent from heaving in the middle part of cell cover 3.
Described first connector 4, second connector 5 is bolt.When convex surface on described cell cover 3 or convex tendon 6 and press strip 2 coordinate, formation gap, two ends, when the second connector 5 tightens up, press strip 2 is out of shape, gap is eliminated, cell cover 3 two ends are firm, and press strip 2 is out of shape, and produce pressure by generation convex surface or convex tendon 6 pairs of cell covers 3, cell cover 3 is convinced, ensures the compression of cell cover 3 pairs of battery modules.
The material of described battery cap 1 and cell cover 3 is fire retardant plastic, pottery or metal, if material is metal, must there be insulation coat on surface, and described insulation coat is epoxy resin coating; The material of described press strip 2 is metal or fire retardant plastic.
Installation steps of the present utility model are: above battery module, assemble cell cover 3, press strip 2, with bolt at battery case internal fixtion, then carry out modular electrical connection, refill and join battery cap 1.The demands such as fixing, the wire casing of battery and heat radiation are concentrated and are met by the utility model, by coordinating between cell cover with press strip, effectively ensure that the consistency to battery fixed effect, reduce and occur because battery fixed effect is inconsistent the probability that battery module lost efficacy.
The battery module cover plate combination structure of the vehicle mounted dynamic battery case that the present embodiment provides, through testing authentication and practical application, can meet battery case fixing requirement to battery module under car load operating mode.
The battery module cover plate combination structure of the vehicle mounted dynamic battery case that the present embodiment provides, through test and checking, and practical application confirms, this structure completes the application requirement meeting automobile power cell.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (7)
1. a battery module cover plate combination structure, it is characterized in that, comprise battery cap (1), press strip (2) and cell cover (3), described battery cap (1) is positioned at cell cover (3) top, convex surface is had in the middle part of described battery cap (1) lower surface, described cell cover (3) there is concave surface (31), described concave surface (31) middle part is at least provided with a convex surface or convex tendon (6), described battery cap (1) and cell cover (3) are assembled by the first connector (4), press strip (2) is provided with between described battery cap (1) and cell cover (3), described press strip (2) is provided with the groove of opening upwards, press strip (2) is deformable material, described press strip (2) is provided with convex surface or muscle structure, described press strip (2) is fixed on cell cover (3) by two the second connectors (5) being positioned at its two ends, the concave surface (31) of described battery cap (1) and cell cover (3) coordinates the space forming the fixing press strip (2) of isolation, when convex surface on described cell cover (3) or convex tendon (6) and press strip (2) coordinate, formation gap, two ends, press strip (2) distortion when the second connector (5) tightens up, gap is eliminated.
2. battery module cover plate combination structure according to claim 1, is characterized in that, described battery cap (1) is provided with some louvres (7).
3. battery module cover plate combination structure according to claim 1, is characterized in that, described cell cover (3) is provided with wire casing structure (8) and inserts (9), and the thickness of described cell cover (3) is greater than the thickness of inserts (9).
4. battery module cover plate combination structure according to claim 1, is characterized in that, is provided with backing plate between described press strip (2) and cell cover (3).
5. battery module cover plate combination structure according to claim 1, is characterized in that, described first connector (4), the second connector (5) are bolt.
6. battery module cover plate combination structure according to claim 1, is characterized in that, the material of described battery cap (1) and cell cover (3) is fire retardant plastic, pottery or metal, if material is metal, must there be insulation coat on surface.
7. battery module cover plate combination structure according to claim 1, is characterized in that, the material of described press strip (2) is metal or fire retardant plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076453.2U CN204516815U (en) | 2015-02-03 | 2015-02-03 | A kind of battery module cover plate combination structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076453.2U CN204516815U (en) | 2015-02-03 | 2015-02-03 | A kind of battery module cover plate combination structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516815U true CN204516815U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520076453.2U Active CN204516815U (en) | 2015-02-03 | 2015-02-03 | A kind of battery module cover plate combination structure |
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| CN (1) | CN204516815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476269A (en) * | 2017-11-03 | 2019-11-19 | 株式会社Lg化学 | Cap assemblies and battery module including the cap assemblies |
-
2015
- 2015-02-03 CN CN201520076453.2U patent/CN204516815U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476269A (en) * | 2017-11-03 | 2019-11-19 | 株式会社Lg化学 | Cap assemblies and battery module including the cap assemblies |
| US11205818B2 (en) | 2017-11-03 | 2021-12-21 | Lg Chem, Ltd. | Cover assembly and battery module including the same |
| CN110476269B (en) * | 2017-11-03 | 2022-09-06 | 株式会社Lg新能源 | Cap assembly for accommodating a plurality of secondary battery cells and battery module including the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230000 Yaohai Industrial Zone, Hefei New District, Anhui, No. D weft Road, No. 7 Patentee after: Hefei Guoxuan High-Tech Power Energy Co., Ltd. Address before: 230000 Yaohai Industrial Zone, Hefei New District, Anhui, No. D weft Road, No. 7 Patentee before: Hefei Guoxuan High-Tech Power Energy Co., Ltd. |