CN207765518U - A kind of failure of current device for car lithium battery capping structure - Google Patents
A kind of failure of current device for car lithium battery capping structure Download PDFInfo
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- CN207765518U CN207765518U CN201820089914.3U CN201820089914U CN207765518U CN 207765518 U CN207765518 U CN 207765518U CN 201820089914 U CN201820089914 U CN 201820089914U CN 207765518 U CN207765518 U CN 207765518U
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- hole
- cutting
- conductive sheet
- edge
- groove
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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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- 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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Abstract
The utility model discloses a kind of failure of current devices for car lithium battery capping structure, it includes conductive sheet, the bending inwardly of the edge of conductive sheet, form the concave shape using conductive sheet the bottom of as, convex edge is extended outward to form along the edge of conductive sheet, the outer diameter of convex edge is more than the outer diameter of conductive sheet, it is formed in the outer side center of conductive sheet fluted, three through-holes put circular array relationship centered on the central point of groove, through-hole is Chong Die with groove part, and the outer bottom in groove is formed with connection edge and center conductive piece using cutting as boundary；It is additionally provided with several auxiliary through hole on conductive sheet between groove and convex edge.The utility model thoroughly solves that battery core short circuit occurred inside plays the role of power-off and failure of current device falls off, and meets the CPK numerical requirements of vehicle-mounted product, meets procedure for producing quality management and control.
Description
Technical field
The utility model is related to technical field of lithium batteries, especially a kind of electric currents for car lithium battery capping structure to cut
Disconnected device.
Background technology
There are two types of protected modes currently on the market：One is extrustion of metals being molded " recessed " shape, concave blind hole portion
Position welds together with rotating sheet, and inside battery generates short circuit, and rotating sheet overturns break pad outward, plays power-off protection.
Extrustion of metals was molded " recessed " shape before this second, a circle cutting impression is then stamped in " recessed " type blind hole plane,
Concave blind hole position welds together with rotating sheet, and inside battery generates short circuit, and rotating sheet overturns pull open cutting indentation unit outward
Position, plays power-off protection.The problem of the first power-off protection is：1, welding column size is difficult control；2, solder joint distribution influences disconnected
Electrical stability；3, production process processing is scrapped high.The problem of second of power-off protection is the various associations for solving welding,
But cutting is suppressed in blind hole plane, the hardness of metal is changed, causes battery runs down also unstable etc..
Utility model content
In view of the above-mentioned deficiencies of the prior art, technical problem to be solved by the utility model is to provide one kind being used for vehicle-mounted lithium
The failure of current device of battery cap structure.
In order to solve the above technical problems, technical solution adopted in the utility model is：One kind being used for car lithium battery lid
The failure of current device of cap structure comprising conductive sheet, the edge bending inwardly of conductive sheet are formed using conductive sheet the bottom of as
Concave shape extends outward to form convex edge along the edge of conductive sheet, and the outer diameter of convex edge is more than the outer diameter of conductive sheet, in the outer of conductive sheet
Side is centrally formed fluted, and first through hole, the second through-hole and third through-hole put battle array in a ring centered on the central point of groove
Row relationship, the first through hole, the second through-hole and third through-hole are Chong Die with groove part, and the outer bottom in groove is formed with three
The the first connection edge, the second connection edge, third for locating cutting as boundary connect edge and center conductive piece, at three cutting enclose
If region be for welding the center conductive piece with rotating sheet；This at three cutting respectively include the first cutting, the second cutting
With third cutting, the first through hole is set between the first cutting and the second cutting, and the second through-hole is set to the second cutting and third
Between cutting, third through-hole is set between third cutting and the first cutting；It is also set up on conductive sheet between groove and convex edge
There are several auxiliary through hole.
In above-mentioned technical proposal, the first through hole, the second through-hole and third through-hole are fan ring-shaped.
In above-mentioned technical proposal, the outer diameter of the first through hole, the second through-hole and third through-hole circular array is more than recessed
The outer diameter of slot, the internal diameter of the first through hole, the second through-hole and third through-hole circular array are less than the internal diameter of groove.
In above-mentioned technical proposal, auxiliary through hole setting there are three and with the central point circular array relationship.
The utility model has the beneficial effects that：The structure of failure of current device is improved, through-hole is mutually connected on quarter as gas vent
The position of slot can make in punching press cutting, avoid because of metal from deforming and influence short-circuit disconnected in the prior art caused by hardness
The defect of electricity.Thoroughly solution battery core short circuit occurred inside plays the role of power-off and failure of current device falls off, and meets vehicle-mounted production
The CPK numerical requirements of product meet procedure for producing quality management and control.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of the utility model；
Fig. 2 is the dimensional structure diagram of the utility model.
In figure, 1, conductive sheet；2, the edge of conductive sheet；3, convex edge；4, groove；5, first through hole；6, the second through-hole；7,
Three through-holes；8, the first cutting；9, the second cutting；10, third cutting；11, the first connection edge；12, the second connection edge；13、
Third connects edge；14, center conductive piece；15, auxiliary through hole.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of failure of current device for car lithium battery capping structure comprising conductive sheet is led
The bending inwardly of the edge of electric piece forms the concave shape using conductive sheet the bottom of as, is extended outward to form along the edge of conductive sheet convex
Edge, the outer diameter of convex edge are more than the outer diameter of conductive sheet, form fluted, first through hole, the second through-hole in the outer side center of conductive sheet
Circular array relationship is put centered on the central point of groove with third through-hole, the first through hole, the second through-hole and third are logical
Hole is Chong Die with groove part, and the outer bottom in groove is formed with the cutting using at three and connects edge, second as the first of boundary
Connect edge, third connection edge and center conductive piece, at three cutting enclose the region set be for rotating sheet weld it is described in
Heart conductive sheet；This at three cutting respectively include the first cutting, the second cutting and third cutting, the first through hole was set to for the first quarter
Between slot and the second cutting, the second through-hole is set between the second cutting and third cutting, and third through-hole is set to third cutting and the
Between one cutting；It is additionally provided with several auxiliary through hole on conductive sheet between groove and convex edge.It can be kept away when cutting 6
Exempt from punching press and lack Metal Deformation that bit space can be walked, the hardness at caused center conductive piece and connection edge it is uneven, to
Influence the CPK values of open circuit.
Wherein, the first through hole, the second through-hole and third through-hole are fan ring-shaped.So that cutting has sufficient room and is in
The power that sector diffusion punching press applies.
Wherein, the outer diameter of the first through hole, the second through-hole and third through-hole circular array is more than the outer diameter of groove, institute
The internal diameter for stating first through hole, the second through-hole and third through-hole circular array is less than the internal diameter of groove.To form the company of fan annular
The structure of edge fit edge and center conductive piece.
Wherein, there are three the auxiliary through hole settings and with the central point circular array relationship.Auxiliary through hole helps
In exhaust.
Above embodiment only indicates that rather than limits the utility model, therefore all according to the utility model patent application
The equivalent change or modification that method described in range is done, is included in the scope of the utility model patent application.
Claims (4)
1. a kind of failure of current device for car lithium battery capping structure, it is characterised in that：Including conductive sheet, conductive sheet
Edge bending inwardly forms the concave shape using conductive sheet the bottom of as, convex edge, convex edge is extended outward to form along the edge of conductive sheet
Outer diameter be more than the outer diameter of conductive sheet, formed in the outer side center of conductive sheet fluted, first through hole, the second through-hole and third are logical
Circular array relationship, the first through hole, the second through-hole and third through-hole and groove are put centered on the central point of groove in hole
Partly overlap, the outer bottom in groove be formed with using at three cutting as the first connection edge of boundary, the second connection edge,
Third connects edge and center conductive piece, at three cutting enclose that the region set is used for and rotating sheet welds the center conductive piece；It should
Cutting respectively includes the first cutting, the second cutting and third cutting at three, and the first through hole is set to the first cutting and the second quarter
Between slot, the second through-hole is set between the second cutting and third cutting, and third through-hole is set between third cutting and the first cutting；
It is additionally provided with several auxiliary through hole on conductive sheet between groove and convex edge.
2. a kind of failure of current device for car lithium battery capping structure according to claim 1, it is characterised in that：
The first through hole, the second through-hole and third through-hole are fan ring-shaped.
3. a kind of failure of current device for car lithium battery capping structure according to claim 1, it is characterised in that：
The outer diameter of the first through hole, the second through-hole and third through-hole circular array is more than the outer diameter of groove, the first through hole, the
Two through-holes and the internal diameter of third through-hole circular array are less than the internal diameter of groove.
4. a kind of failure of current device for car lithium battery capping structure according to claim 1, it is characterised in that：
There are three the auxiliary through hole is arranged and with the central point circular array relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089914.3U CN207765518U (en) | 2018-01-19 | 2018-01-19 | A kind of failure of current device for car lithium battery capping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089914.3U CN207765518U (en) | 2018-01-19 | 2018-01-19 | A kind of failure of current device for car lithium battery capping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765518U true CN207765518U (en) | 2018-08-24 |
Family
ID=63181153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089914.3U Active CN207765518U (en) | 2018-01-19 | 2018-01-19 | A kind of failure of current device for car lithium battery capping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765518U (en) |
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2018
- 2018-01-19 CN CN201820089914.3U patent/CN207765518U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000, Dongguan, Guangdong province Dongcheng District sand science and Technology Industrial Park Patentee after: Yidong Electronic Technology Co.,Ltd. Address before: 523000, Dongguan, Guangdong province Dongcheng District sand science and Technology Industrial Park Patentee before: DONGGUAN YIDONG TECHNOLOGY Co.,Ltd. |