CN201440429U - Explosion-proof plate and aluminum cover plate - Google Patents
Explosion-proof plate and aluminum cover plate Download PDFInfo
- Publication number
- CN201440429U CN201440429U CN2009201660484U CN200920166048U CN201440429U CN 201440429 U CN201440429 U CN 201440429U CN 2009201660484 U CN2009201660484 U CN 2009201660484U CN 200920166048 U CN200920166048 U CN 200920166048U CN 201440429 U CN201440429 U CN 201440429U
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- Prior art keywords
- explosion
- burst disk
- central point
- proof plate
- utility
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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)
Abstract
The utility model discloses an explosion-proof plate provided with a plurality of grooves which are crossed on the central point of the explosion-proof plate and are in an outward radial shape, and the utility model also discloses an aluminum cover plate which comprises an explosion-proof hole and an explosion-proof plate with the shape matched with that of the explosion-proof hole, wherein the explosion-proof plate is provided with a plurality of grooves which are crossed on the central point of the explosion-proof plate and are in an outward radial shape, thereby, since the thickness of the grooves is less than the thickness of the other parts of the explosion-proof plate, the grooves are easier to blast than the other parts of the explosion-proof plate under pressure, while the plurality of grooves are crossed on the central point of the explosion-proof plate, so the central point of the explosion-proof plate finally becomes the fixed blasting point.
Description
Technical field
The utility model relates to the Machining Technology field, more particularly, relates to burst disk and Aluminum cover.
Background technology
There is explosive hidden danger in dynamic lithium battery, for this reason, can use the Aluminum cover with explosion prevention function to prevent its blast.Above-mentioned Aluminum cover mainly comprises explosionproof hole, and is arranged at the burst disk in the explosionproof hole.When dynamic lithium battery gas inside pressure surpassed the limit that burst disk can bear, burst disk is explosion voluntarily, and gas then can discharge through the outlet of burst disk fracture back formation, thereby has avoided dynamic lithium battery itself to blast.Present burst disk mostly is the uniform ultrathin aluminium platinum of thickness, and this kind burst disk does not have fixing explosion break-through point, and therefore when a large amount of gas of the inner generation of dynamic lithium battery, gas needs whole burst disk bursting just can be leaked.
The utility model content
In view of this, the utility model purpose is to provide burst disk and Aluminum cover, and when breaking down with convenient dynamic lithium battery, its gas inside can break through out from fixing explosion break-through point.
For achieving the above object, the utility model provides following technical scheme:
A kind ofly be provided with many groove burst disk, described many grooves intersect at the central point of described burst disk, and are outwards radial.
A kind of Aluminum cover comprises explosionproof hole, and the suitable burst disk of the shape of shape and described explosionproof hole, and described burst disk is provided with many grooves, and described many grooves intersect at the central point of described burst disk, and is outwards radial.
From technique scheme as can be seen, in the utility model, because the thickness of many grooves is less than the thickness at other positions of burst disk on the burst disk, when being under pressure, groove is broken than the burst disk other parts are easier.And above-mentioned many grooves intersect at the central point of burst disk, and this makes the central point of burst disk finally become fixing explosion break-through point.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The burst disk structural representation that Fig. 1 is provided for the utility model embodiment;
The another structural representation of burst disk that Fig. 2 is provided for the utility model embodiment;
Another structural representation of burst disk that Fig. 3 is provided for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Overcharge, mistake is put, protective circuit is malfunctioning and it is fashionable to be in the high-temperature field, the inside of dynamic lithium battery may produce a large amount of gases, these gases can be big with battery case support, even explosion caused.At this moment, can reduce the probability of blasting greatly as these gases being discharged then from dynamic lithium battery.The utility model embodiment promptly discloses a kind of burst disk, so that when dynamic lithium battery breaks down, the dynamic lithium battery gas inside can break through out from fixing explosion break-through point.
Fig. 1 shows a kind of structure of this burst disk 1, and this burst disk 1 is provided with many grooves 2, and groove 2 intersects at the central point 3 of described burst disk, and is outwards radial.
Preferably, the combined shaped of groove 2 can be cross (referring to Fig. 2) or Y type (referring to Fig. 3).Burst disk with said structure can be processed by using punching block cross or the Y type to push on aluminium flake.Certainly, the combinations thereof shape can also have many kinds, intersects at the central point 3 of burst disk 1 as long as guarantee many grooves 2, and to divide equally with central point 3 be that the circumference in the center of circle gets final product, and illustrates no longer one by one here.
Because the thickness of groove 2 is less than the thickness at burst disk 1 other positions, when being under pressure, groove 2 is than the easier generation explosion of the other parts on the burst disk 1.And many grooves 2 intersect at the central point 3 of burst disk 1, and this makes the central point 3 of burst disk 1 finally become fixing explosion break-through point.When in case the air pressure inside of dynamic lithium battery is increased to Initiation Pressure, burst disk 1 will raise up earlier, and central point 3 at first breaks thereupon, burst disk 1 fracture subsequently, the outlet that gas promptly forms after burst disk 1 fracture discharges, thereby has avoided dynamic lithium battery itself to blast.
The Initiation Pressure of above-mentioned burst disk (explosion air pressure range) can be controlled within 2 kilograms of pressure limits, and also can the explosion air pressure range be regulated by the thickness that changes groove, satisfies different market demands.
Corresponding with it, the utility model embodiment also provides a kind of dynamic lithium battery Aluminum cover, and this Aluminum cover comprises explosionproof hole, and the suitable burst disk of the shape of shape and explosionproof hole, and burst disk and explosionproof hole are by laser welding together.Because it is circular that explosionproof hole mostly is, so the shape of burst disk is also in the majority with circle.Following examples will be that example is illustrated with circular burst disk.
Can break through out from fixing explosion break-through point for ease of dynamic lithium battery its gas inside when breaking down, burst disk 1 among the utility model embodiment is provided with many grooves 2, and many grooves 2 intersect at the central point 3 of burst disk 1, and are outwards radial (please again referring to Fig. 1).
Preferably, the combined shaped of many grooves 2 can be cross (please again referring to Fig. 2) or Y type (please again referring to Fig. 3).Adding man-hour, can go out to have the burst disk of said structure by punching block extrusion process on circular aluminium flake of using cross or Y type.Certainly, the combinations thereof shape can also have many kinds, intersects at the central point 3 of burst disk 1 as long as guarantee many grooves 2, and to divide equally with central point 3 be that the circumference in the center of circle gets final product, and when specific implementation, can be designed according to actual needs by those skilled in the art.
As can be seen, because the thickness of groove 2 is less than the thickness at burst disk 1 other positions, when being under pressure, groove 2 is than the easier generation explosion of other parts of burst disk 1.And many grooves 2 intersect at the central point 3 of burst disk 1, and this makes the central point 3 of burst disk 1 finally become fixing explosion break-through point.When in case the air pressure inside of dynamic lithium battery is increased to Initiation Pressure, burst disk 1 will raise up earlier, and central point 3 at first breaks thereupon, burst disk 1 fracture subsequently, gas promptly discharges from the outlet that burst disk 1 fracture back forms, thereby has avoided dynamic lithium battery itself to blast.
The Initiation Pressure of above-mentioned burst disk (explosion air pressure range) can be controlled within 2 kilograms of pressure limits, and also can the explosion air pressure range be regulated by the thickness that changes groove, satisfies different market demands.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. a burst disk is characterized in that, described burst disk is provided with many grooves, and described many grooves intersect at the central point of described burst disk, and is outwards radial.
2. burst disk as claimed in claim 1 is characterized in that the combined shaped of described many grooves is the Y type.
3. burst disk as claimed in claim 1 is characterized in that the combined shaped of described many grooves is cross.
4. an Aluminum cover is characterized in that, comprising:
Explosionproof hole;
The burst disk that the shape of shape and described explosionproof hole is suitable, described burst disk is provided with many grooves, and described many grooves intersect at the central point of described burst disk, and are outwards radial.
5. Aluminum cover as claimed in claim 4 is characterized in that the combined shaped of described many grooves is the Y type.
6. Aluminum cover as claimed in claim 4 is characterized in that the combined shaped of described many grooves is cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201660484U CN201440429U (en) | 2009-07-27 | 2009-07-27 | Explosion-proof plate and aluminum cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201660484U CN201440429U (en) | 2009-07-27 | 2009-07-27 | Explosion-proof plate and aluminum cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440429U true CN201440429U (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201660484U Expired - Fee Related CN201440429U (en) | 2009-07-27 | 2009-07-27 | Explosion-proof plate and aluminum cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440429U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015106693A1 (en) * | 2014-01-16 | 2015-07-23 | 深圳江浩电子有限公司 | Aluminium electrolytic capacitor |
| CN105140445A (en) * | 2015-09-10 | 2015-12-09 | 中天储能科技有限公司 | Explosion-proof valve structure for pressure relief of lithium battery |
| US9614247B2 (en) | 2012-11-09 | 2017-04-04 | Varta Microbattery Gmbh | Button cell with winding electrode |
| US9799913B2 (en) | 2009-02-09 | 2017-10-24 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US9799858B2 (en) | 2009-06-18 | 2017-10-24 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| CN111564590A (en) * | 2020-05-12 | 2020-08-21 | 路华置富电子(深圳)有限公司 | Battery with explosion-proof structure |
-
2009
- 2009-07-27 CN CN2009201660484U patent/CN201440429U/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11258092B2 (en) | 2009-02-09 | 2022-02-22 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11024869B2 (en) | 2009-02-09 | 2021-06-01 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11791493B2 (en) | 2009-02-09 | 2023-10-17 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US9799913B2 (en) | 2009-02-09 | 2017-10-24 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11276875B2 (en) | 2009-02-09 | 2022-03-15 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US20200185755A1 (en) | 2009-02-09 | 2020-06-11 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11233265B2 (en) | 2009-02-09 | 2022-01-25 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11233264B2 (en) | 2009-02-09 | 2022-01-25 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11362385B2 (en) | 2009-06-18 | 2022-06-14 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11217844B2 (en) | 2009-06-18 | 2022-01-04 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11791512B2 (en) | 2009-06-18 | 2023-10-17 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024904B2 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11158896B2 (en) | 2009-06-18 | 2021-10-26 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024905B2 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US10971776B2 (en) | 2009-06-18 | 2021-04-06 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024907B1 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US10804506B2 (en) | 2009-06-18 | 2020-10-13 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024906B2 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11362384B2 (en) | 2009-06-18 | 2022-06-14 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US9799858B2 (en) | 2009-06-18 | 2017-10-24 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US9614247B2 (en) | 2012-11-09 | 2017-04-04 | Varta Microbattery Gmbh | Button cell with winding electrode |
| WO2015106693A1 (en) * | 2014-01-16 | 2015-07-23 | 深圳江浩电子有限公司 | Aluminium electrolytic capacitor |
| CN105140445A (en) * | 2015-09-10 | 2015-12-09 | 中天储能科技有限公司 | Explosion-proof valve structure for pressure relief of lithium battery |
| CN111564590A (en) * | 2020-05-12 | 2020-08-21 | 路华置富电子(深圳)有限公司 | Battery with explosion-proof structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20130727 |