CN206931640U - A kind of anti-explosion battery cap - Google Patents
A kind of anti-explosion battery cap Download PDFInfo
- Publication number
- CN206931640U CN206931640U CN201720247016.1U CN201720247016U CN206931640U CN 206931640 U CN206931640 U CN 206931640U CN 201720247016 U CN201720247016 U CN 201720247016U CN 206931640 U CN206931640 U CN 206931640U
- Authority
- CN
- China
- Prior art keywords
- accent
- connector
- cavity wall
- portable plate
- battery cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a kind of anti-explosion battery cap, including top cover, groove, mobile cavity, upper accent, upper cavity wall, lower cavity wall, lower accent, portable plate, spring chain, burst disk, bottom, insulation spacer and connector, it is characterised in that：Groove is provided among the top cover, bottom portion of groove is provided with mobile cavity, the mobile cavity top is provided with upper cavity wall, upper accent is provided among upper cavity wall, the mobile cavity bottom is provided with lower cavity wall, lower accent is provided among lower cavity wall, portable plate is provided with inside the mobile cavity, portable plate bottom is provided with connector, the top cover is equipped with insulation spacer with bottom junction, be provided with burst disk among the bottom bottom, burst disk top is provided with connector, and the connector above the connector and burst disk of the portable plate bottom is attached by spring chain.
Description
Technical field
Cell art is the utility model is related to, specially a kind of anti-explosion battery cap.
Background technology
In daily life, it act as very important role along with the lithium battery of digital product, but because
Various reasons, lithium battery can explode in use, and the power of blast should not be underestimated, and here is that lithium battery explodes
The reason for analysis.
Lithium battery explode the reason for specifically have it is following some：1st, lithium battery interior polarization is larger；2nd, rechargeable lithium batteries pole
Piece absorbs water, and is reacted with electrolyte and produces tympanites；3rd, quality, the performance issue of lithium battery electrolytes in itself；4th, manufacturer is right
Technological requirement is not reaching to during lithium battery fluid injection；5th, pole piece dust causes short circuit.Because lithium battery be not in one closing
In working environment, dust and steam can all influence the service life of lithium battery, or even cause lithium battery to explode, also in lithium battery
Portion's temperature is too high, and battery cap fails to open in time, and prolonged temperature accumulation is easy to the blast for causing lithium battery.
The content of the invention
The purpose of this utility model is to provide a kind of anti-explosion battery cap, to solve to propose lithium electricity in above-mentioned background technology
Pond internal temperature is too high, and battery cap fails to open in time, and prolonged temperature accumulation is easy to the blast for causing lithium battery
Problem.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of anti-explosion battery
Block, including top cover, groove, mobile cavity, upper accent, upper cavity wall, lower cavity wall, lower accent, portable plate, spring chain, burst disk, bottom
Lid, insulation spacer and connector, it is characterised in that：Groove is provided among the top cover, bottom portion of groove is provided with mobile cavity, the shifting
Dynamic chamber top is provided with upper cavity wall, is provided with upper accent among upper cavity wall, the mobile cavity bottom is provided with lower cavity wall, set among lower cavity wall
There is lower accent, portable plate is provided with inside the mobile cavity, portable plate bottom is provided with connector, and the top cover fills with bottom junction
There is insulation spacer, burst disk is provided among the bottom bottom, connector, the company of the portable plate bottom are provided with above burst disk
Joint is attached with the connector above burst disk by spring chain.
Preferably, described groove inner wall is provided with steam vent.
Preferably, the steam vent is set individual, and steam vent is equally distributed in groove inner wall.
Preferably, the height of the mobile cavity is 0.6~0.9cm.
Preferably, the upper cavity wall is percent opening 60%, and aperture is 0.1~0.3cm aluminium flake.
Preferably, 1.2~1.5 times of a diameter of lower accent diameter of the upper accent.
Preferably, the portable plate is made up of sealing block and perforate block, and the size of sealing block and lower accent are equal in magnitude, open
The percent opening 50% of hole block, aperture are 0.2~0.4cm.
Compared with prior art, the beneficial effects of the utility model are：The utility model is when internal short-circuit occurs for battery
Or by external environment condition, when producing substantial amounts of hot, while battery temperature raises, cell internal pressure rises, and burst disk is opened
Begin to soften, while broken using the pulling of spring chain and the effect of internal pressure, burst disk, Opening pressure declines, and explosion-proof ball carries
Front opening, inside battery gas is discharged by upper accent, steam vent and space, cell internal pressure is reduced, prevents battery explosion,
Ensure that battery is safe to use.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model top view；
Fig. 3 is portable plate schematic diagram of the present utility model.
In figure：1st, top cover, 2, groove, 3, mobile cavity, 4, upper accent, 5, upper cavity wall, 6, lower cavity wall, 7, lower accent, 8, living
Dynamic plate, 9, spring chain, 10, burst disk, 11, bottom, 12, insulation spacer, 13, connector, 14, steam vent, 15, sealing block, 16,
Perforate block.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of anti-explosion battery cap, including it is top cover 1, recessed
Groove 2, mobile cavity 3, upper accent 4, upper cavity wall 5, lower cavity wall 6, lower accent 7, portable plate 8, spring chain 9, burst disk 10, bottom 11,
Insulation spacer 12 and connector 13, the centre of top cover 1 are provided with groove 2, and the bottom of groove 2 is provided with mobile cavity 3, the mobile cavity 3
Top is provided with upper cavity wall 5, is provided with upper accent 4 among upper cavity wall 5, and the bottom of mobile cavity 3 is provided with lower cavity wall 6, among lower cavity wall 6
Provided with lower accent 7, the inside of mobile cavity 3 is provided with portable plate 8, and the bottom of portable plate 8 is provided with connector 13, the top cover 1 and bottom
The junction of lid 11 is equipped with insulation spacer 12, and burst disk 10 is provided among the bottom of bottom 11, and the top of burst disk 10 is provided with connection
First 13, the connector 13 and the connector of the top of burst disk 10 of the bottom of portable plate 8 are attached by spring chain 9, described
The inwall of groove 2 be provided with steam vent 14, the steam vent 14 is set, and steam vent 14 equally divides in the inwall of groove 2
Cloth, the height of the mobile cavity 3 is 0.6~0.9cm, and the upper cavity wall 5 is percent opening 60%, and aperture is 0.1~0.3cm aluminium
Piece, 1.2~1.5 times of a diameter of lower diameter of accent 7 of the upper accent 4, the portable plate 8 is by sealing block 15 and perforate block 16
Composition, the size of sealing block 15 and lower accent 7 are equal in magnitude, the percent opening 50% of perforate block 16, and aperture is 0.2~0.4cm.
Operation principle：When internal temperature of battery is increased to 55~60 DEG C, burst disk 10 starts to soften, while spring chain 9
The pulling force of burst disk 10 is increased, and the increase of cell internal pressure, it is explosion-proof when internal temperature of battery reaches 75~82 DEG C
Piece 10 is broken, and the gas of inside battery is discharged by upper accent, steam vent and space, reduces temperature, and portable plate 8 is prevented in battery
The substance splash in portion is gone out, and people is damaged, and splash is stranded in anti-explosion battery cap using lower cavity plate 6 and perforate block 14
It is interior, while winged splash is slowly flowed out, prevent to injure, while prevent from producing in battery provided with insulation spacer 12 and leak electricity,
Human body is damaged.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of anti-explosion battery cap, including top cover（1）, groove（2）, mobile cavity（3）, upper accent（4）, upper cavity wall（5）, cavity of resorption
Wall（6）, lower accent（7）, portable plate（8）, spring chain（9）, burst disk（10）, bottom（11）, insulation spacer（12）And connector
（13）, it is characterised in that：The top cover（1）Centre is provided with groove（2）, groove（2）Bottom is provided with mobile cavity（3）, the movement
Chamber（3）Top is provided with upper cavity wall（5）, upper cavity wall（5）Centre is provided with upper accent（4）, the mobile cavity（3）Bottom is provided with lower cavity wall
（6）, lower cavity wall（6）Centre is provided with lower accent（7）, the mobile cavity（3）Inside is provided with portable plate（8）, portable plate（8）Bottom is set
There is connector（13）, the top cover（1）With bottom（11）Junction is equipped with insulation spacer（12）, the bottom（11）Among bottom
Provided with burst disk（10）, burst disk（10）Top is provided with connector（13）, the portable plate（8）The connector of bottom（13）With preventing
Quick-fried（10）The connector of top passes through spring chain（9）It is attached.
A kind of 2. anti-explosion battery cap according to claim 1, it is characterised in that：Described groove（2）Inwall is provided with row
Stomata（14）.
A kind of 3. anti-explosion battery cap according to claim 2, it is characterised in that：The steam vent（14）It is individual provided with setting,
And steam vent（14）In groove（2）Inwall is equally distributed.
A kind of 4. anti-explosion battery cap according to claim 1, it is characterised in that：The mobile cavity（3）Height be 0.6
~0.9cm.
A kind of 5. anti-explosion battery cap according to claim 1, it is characterised in that：The upper cavity wall（5）For percent opening
60%, aperture is 0.1~0.3cm aluminium flake.
A kind of 6. anti-explosion battery cap according to claim 1, it is characterised in that：The upper accent（4）It is a diameter of under
Accent（7）1.2~1.5 times of diameter.
A kind of 7. anti-explosion battery cap according to claim 1, it is characterised in that：The portable plate（8）By sealing block
（15）With perforate block（16）Composition, sealing block（15）Size and lower accent（7）It is equal in magnitude, perforate block（16）Percent opening
50%, aperture is 0.2~0.4cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247016.1U CN206931640U (en) | 2017-03-14 | 2017-03-14 | A kind of anti-explosion battery cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247016.1U CN206931640U (en) | 2017-03-14 | 2017-03-14 | A kind of anti-explosion battery cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206931640U true CN206931640U (en) | 2018-01-26 |
Family
ID=61350174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720247016.1U Expired - Fee Related CN206931640U (en) | 2017-03-14 | 2017-03-14 | A kind of anti-explosion battery cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206931640U (en) |
-
2017
- 2017-03-14 CN CN201720247016.1U patent/CN206931640U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180126 Termination date: 20190314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |