CN206098476U - Power type cylindrical lithium ion battery explosion -proof cover cap - Google Patents
Power type cylindrical lithium ion battery explosion -proof cover cap Download PDFInfo
- Publication number
- CN206098476U CN206098476U CN201621147898.6U CN201621147898U CN206098476U CN 206098476 U CN206098476 U CN 206098476U CN 201621147898 U CN201621147898 U CN 201621147898U CN 206098476 U CN206098476 U CN 206098476U
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- China
- Prior art keywords
- explosion
- lithium ion
- ion battery
- proof
- burst disk
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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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- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a power type cylindrical lithium ion battery explosion -proof cover cap, the top cap, explosion -proof piece, sealing washer, insulating piece, welding pieces and the aluminum flake that set gradually including top -down, the center part of explosion -proof piece is equipped with decurrent protruding structure, be equipped with annular anti -explosion groove around the protruding structure, it is radial explosion -proof line to be equipped with around the annular anti -explosion groove, explosion -proof piece with welded fastening between the top cap, protruding structure is passed welding pieces's centre bore with aluminum flake welded fastening.
Description
Technical field
This utility model is related to technical field of lithium batteries, more particularly to a kind of dynamic column lithium ion battery explosion-proof lid
Cap.
Background technology
Lithium battery is the novel energy storage cell of environmental protection, big with energy density, long service life, running voltage height,
Have extended cycle life, self discharge is little, memory-less effect, the high feature of environmental protection the advantages of, in electronic technology, electric automobile, energy storage, answer urgent telegram
The fields such as source, military project space flight have a wide range of applications.
Lithium ion battery cover is the critical component of lithium ion battery, and it is directly connected to the performance of lithium ion battery.It is existing
Some explosion-proof employing concave shape shapes of lithium battery cap and ring-like explosion-proof line, so directly increase the difficulty of production and processing, also increase
The height of block is added, battery capacity and safety has been exerted a certain influence；And welding sheet center is welded with burst disk
Position is punching one-step moulding, higher to craft precision requirement, is unfavorable for production and processing, has certain quality to block production
Affect.
Utility model content
In view of this, this utility model provides a kind of dynamic column lithium ion battery explosion-proof cap, solves existing skill
Problem present in art, concrete scheme is as follows：
For the above-mentioned deficiency of prior art, this utility model provides a kind of simple structure, easy to process, safe and reliable
Dynamic column lithium ion battery explosion-proof cap.
A kind of dynamic column lithium ion battery explosion-proof cap, including the top cover, burst disk for setting gradually from top to bottom, close
Seal, insulating trip, welding sheet and flake aluminum, the centre of the burst disk is provided with downward bulge-structure, the raised knot
Annular anti-explosion groove is provided with around structure, around the annular anti-explosion groove radial explosion-proof line is provided with；
It is welded and fixed between the burst disk and the top cover；
The bulge-structure is welded and fixed through the centre bore of the welding sheet with the flake aluminum.
Further, the edge of the burst disk is provided with flange, and the flange wraps up the top cover,
Further, the explosion-proof line is in the radiation distribution of " ten " font.
Further, the explosion-proof line extends to the 1/2-1/3 of the burst disk radius from the annular anti-explosion groove.
Further, the top cover is in "Ji" type, and top is provided with pore.
Further, the surrounding of the welding sheet is evenly distributed with multiple steam vents.
Specifically, the quantity of the air vent is 5.
Specifically, filling with sealant between the burst disk and sealing ring.
Specifically, adopt sharp between the burst disk and the top cover and between the welding sheet and the flake aluminum
Photocoagulation.
This utility model compared with prior art, has the advantages that：1st, burst disk is designed as into rounded thin slice
Shape, is directly welded by being arranged on the bulge-structure of bottom with flake aluminum, reduces the difficulty of processing of middle welding sheet.2nd, due to
Devise radial explosion-proof line, it is ensured that battery security performance in use.3rd, 5 ventilations are set in welding sheet
Hole, can preferably discharge lithium battery in special circumstances inside produce pressure.4th, cap-height is effectively reduced, increases lithium
Battery capacity.
Description of the drawings
In order to be illustrated more clearly that this utility model or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing wanted needed for technology description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is this utility model exploded perspective view.
Fig. 2 is this utility model generalized section.
In figure：1st, top cover 2, burst disk 3, sealing ring 4, insulating trip 5, welding sheet 6, flake aluminum 11, pore 21,
Bulge-structure 22, annular anti-explosion groove 23, explosion-proof line 24, flange 51, centre bore 52, steam vent
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of this utility model protection.
Fig. 1 is this utility model exploded perspective view, and Fig. 2 is this utility model generalized section, and this utility model request is protected
A kind of dynamic column lithium ion battery explosion-proof cap is protected, including the top cover 1, burst disk 2, sealing ring that set gradually from top to bottom
3rd, insulating trip 4, welding sheet 5 and flake aluminum 6, the centre of the burst disk 2 is provided with downward bulge-structure 21, the projection
Annular anti-explosion groove 22 is provided with around structure 21, around the annular anti-explosion groove 22 radial explosion-proof line 23 is provided with；It is described anti-
It is welded and fixed between quick-fried 2 and the top cover 1；The bulge-structure 21 is thin with described through the centre bore 51 of the welding sheet 5
Aluminium flake 6 is welded and fixed.
In the present embodiment, the rounded flake of burst disk 2, burst disk 2 is direct by the bulge-structure 21 for being arranged on bottom
Weld with flake aluminum 6, reduce the difficulty of processing of middle welding sheet 5, further improve machining accuracy, reduce block entirety
Height, increase the space of inside battery.Simultaneously as devising radial explosion-proof line 23, it is ensured that battery is being used
During security performance.
When lithium battery is in special circumstances, lithium battery interior pressure makes burst disk 2 raise up, and tears flake aluminum 6, makes lithium
Inside battery open circuit, when lithium battery further deteriorates, burst disk 2 is opened, and can avoid the occurrence of the appearance of dangerous situation.
Specifically, the edge of the burst disk 2 is provided with flange 24, and the flange 24 wraps up the top cover 1.Burst disk and top
The fixation of lid 1 is more firm.
Specifically, the explosion-proof line 23 is in the radiation distribution of " ten " font.
Specifically, the explosion-proof line 23 extends to the 1/2-3/4 of the radius of the burst disk 2 from the annular anti-explosion groove 22,
Once battery occurs thermal expansion, under the guiding of explosion-proof line 23, internal pressure can be discharged rapidly.
Further, the top cover 1 is in "Ji" type, and top is provided with pore 11.
Further, the surrounding of the welding sheet 5 is evenly distributed with multiple steam vents 52, can preferably discharge lithium battery and exist
The pressure that inside produces during special circumstances.
Further, the quantity of the air vent 52 is 5.
Further, filling with sealant between the burst disk 2 and sealing ring 3.
Specifically, adopt between the burst disk 2 and the top cover 1 and between the welding sheet 5 and the flake aluminum 6
Use laser welding.
Embodiment of the present utility model is described above, but this utility model be not limited to it is above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematic, rather than restricted, one of ordinary skill in the art
Under enlightenment of the present utility model, in the case of without departing from this utility model objective and scope of the claimed protection, may be used also
Many forms are made, these are belonged within protection of the present utility model.
Claims (9)
1. a kind of dynamic column lithium ion battery explosion-proof cap, including the top cover, burst disk, the sealing that set gradually from top to bottom
Circle, insulating trip, welding sheet and flake aluminum, it is characterised in that：
The centre of the burst disk is provided with downward bulge-structure, and annular anti-explosion groove, institute are provided with around the bulge-structure
State and radial explosion-proof line is provided with around annular anti-explosion groove；
It is welded and fixed between the burst disk and the top cover；
The bulge-structure is welded and fixed through the centre bore of the welding sheet with the flake aluminum.
2. dynamic column lithium ion battery explosion-proof cap according to claim 1, it is characterised in that：The burst disk
Edge is provided with flange, and the flange wraps up the top cover.
3. dynamic column lithium ion battery explosion-proof cap according to claim 2, it is characterised in that：The explosion-proof line is in
The radiation distribution of " ten " font.
4. dynamic column lithium ion battery explosion-proof cap according to claim 2, it is characterised in that：The explosion-proof line is certainly
The annular anti-explosion groove extends to the 1/2-1/3 of the burst disk radius.
5. the dynamic column lithium ion battery explosion-proof cap according to any one of claim 1-4, it is characterised in that：It is described
Top cover is in "Ji" type, and top is provided with pore.
6. dynamic column lithium ion battery explosion-proof cap according to claim 5, it is characterised in that：The welding sheet
Surrounding is evenly distributed with multiple steam vents.
7. dynamic column lithium ion battery explosion-proof cap according to claim 6, it is characterised in that：The air vent
Quantity is 5.
8. dynamic column lithium ion battery explosion-proof cap according to claim 7, it is characterised in that：The burst disk with
Filling with sealant between sealing ring.
9. dynamic column lithium ion battery explosion-proof cap according to claim 8, it is characterised in that：The burst disk with
Laser welding is adopted between the top cover and between the welding sheet and the flake aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147898.6U CN206098476U (en) | 2016-10-25 | 2016-10-25 | Power type cylindrical lithium ion battery explosion -proof cover cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147898.6U CN206098476U (en) | 2016-10-25 | 2016-10-25 | Power type cylindrical lithium ion battery explosion -proof cover cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098476U true CN206098476U (en) | 2017-04-12 |
Family
ID=58484455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621147898.6U Active CN206098476U (en) | 2016-10-25 | 2016-10-25 | Power type cylindrical lithium ion battery explosion -proof cover cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340600A (en) * | 2016-10-25 | 2017-01-18 | 秦皇岛市芯驰光电科技有限公司 | Power type cylindrical lithium ion battery explosion-proof cap |
| CN113540631A (en) * | 2021-07-14 | 2021-10-22 | 重庆市赛博瑞新能源科技有限公司 | Integrated injection molding cylindrical lithium ion battery explosion-proof cap |
-
2016
- 2016-10-25 CN CN201621147898.6U patent/CN206098476U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340600A (en) * | 2016-10-25 | 2017-01-18 | 秦皇岛市芯驰光电科技有限公司 | Power type cylindrical lithium ion battery explosion-proof cap |
| CN113540631A (en) * | 2021-07-14 | 2021-10-22 | 重庆市赛博瑞新能源科技有限公司 | Integrated injection molding cylindrical lithium ion battery explosion-proof cap |
| CN113540631B (en) * | 2021-07-14 | 2022-12-06 | 重庆市赛博瑞新能源科技有限公司 | Integrated injection molding cylindrical lithium ion battery explosion-proof cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A power type cylindrical lithium-ion battery explosion-proof cap Effective date of registration: 20230816 Granted publication date: 20170412 Pledgee: Qinhuangdao Branch of Bank of Communications Co.,Ltd. Pledgor: Qinhuangdao Xinchi Photoelectricity Technology Co.,Ltd. Registration number: Y2023980052515 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |