CN101841058A - Cylindrical anti-explosive battery - Google Patents
Cylindrical anti-explosive battery Download PDFInfo
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- CN101841058A CN101841058A CN201010171438A CN201010171438A CN101841058A CN 101841058 A CN101841058 A CN 101841058A CN 201010171438 A CN201010171438 A CN 201010171438A CN 201010171438 A CN201010171438 A CN 201010171438A CN 101841058 A CN101841058 A CN 101841058A
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- block
- battery
- metal shell
- cylindrical anti
- polar cap
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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 invention discloses a cylindrical anti-explosive battery, which comprises a metal shell and a cell, wherein the metal shell is cylindrical and is provided with a baseplate and an opening end; the cell is loaded into the metal shell through the opening end; the cylindrical anti-explosive battery also comprises a first cap and a second cap; the first cap seals the opening end of the metal shell; the anode of the battery is in conductive connection with the first cap, while the cathode is in conductive connection with the metal shell; the second cap is spot-welded on the outer side of the baseplate; the first cap is provided with a pressure release structure; and a pressure release structure is arranged between the second cap and the baseplate. In the cylindrical anti-explosive battery, an anode structure is adopted, the cathode of the cell is in conductive connection with the metal shell of the battery, and two ends of the battery are all provided with a pressure release structure; under the condition of not occupying the internal space of the battery, the pressure release devices are arranged, so the safety performance of the battery is improved; and the cylindrical anti-explosive battery is particularly suitable to be used as bulk-capacity battery.
Description
Technical field
The present invention relates to the secondary cell field, more particularly, relate to a kind of cylindrical anti-explosion battery.
Background technology
The cylinder rechargeable battery is a kind of secondary cell commonly used, comprises the metal shell of an end opening, and the electric core of being reeled and being formed by positive and negative plate is housed in the metal shell, and the openend envelope of metal shell has block.In existing cylindrical battery, generally will block a shot as the positive pole of battery, metal shell is as the negative pole of battery, and block links to each other with the positive pole of electric core, and metal shell links to each other with the negative pole of electric core.In order to prevent that battery from blasting, generally pressure relief is set at the block place, when the battery container internal pressure is too high, can be by the pressure relief pressure release at block place, prevent the battery accident of blasting.Increase along with battery capacity, when battery meets accident, pressure inside sharply raises at short notice, if pressure release in time, then can cause battery explosion, bring potential safety hazard for the use of battery, existing the pressure release mode that pressure relief is set at the block place can satisfy the needs of high-capacity battery.
Summary of the invention
The object of the present invention is to provide a kind of cylindrical anti-explosion battery, all have explosion-protection equipment, can realize dual explosion-proofly, improve the pressure release ability of battery, make battery safer at its two ends.
The technical solution adopted for the present invention to solve the technical problems is: comprise metal shell, the electricity core, described metal shell is cylindrical, described metal shell has a base plate and an openend, described electric core is by the described openend described metal shell of packing into, it is characterized in that, also comprise first block and second block, the described first block pier is enclosed in the openend of described metal shell, the positive pole of described electric core is connected with the described first block conduction, the negative pole of described electric core is connected with described metal shell conduction, described second block point is welded in the outside of described base plate, and described first block has pressure relief, is provided with pressure relief between described second block and the described base plate.
In cylindrical anti-explosion battery of the present invention, described first block comprises substrate and the tack polar cap or the plush copper polar cap that are arranged on the substrate, the pressure relief of described first block comprises first air-vent that is arranged on the described substrate, and first elastomer that covers described first air-vent, described tack polar cap or plush copper polar cap are pressed in described first elastomer between tack polar cap or plush copper polar cap and the substrate, and described tack polar cap or plush copper polar cap are provided with the first ventilative opening.
In cylindrical anti-explosion battery of the present invention, described second block is plush copper polar cap or tack polar cap, pressure relief between described second block and the described base plate comprises second air-vent that is arranged on the described base plate, and second elastomer that covers described second air-vent, described second block is pressed in described second elastomer between described second block and the described base plate, and second block is provided with the second ventilative opening.
In cylindrical anti-explosion battery of the present invention, described first air-vent is positioned at the center of described substrate.
In cylindrical anti-explosion battery of the present invention, described second air-vent is positioned at the center of described base plate.
In cylindrical anti-explosion battery of the present invention, described elastomer is ball or rubber cushion blocks.
In cylindrical anti-explosion battery of the present invention, described metal shell is box hat or aluminum hull.
In cylindrical anti-explosion battery of the present invention, described cylindrical anti-explosion battery is NI-G, ni-mh, nickel zinc or lithium battery.
In cylindrical anti-explosion battery of the present invention, described metal shell is formed with the cold-rolled carbon steel sheet stamping by punching press.
Implement cylindrical anti-explosion battery of the present invention, has following beneficial effect: all be provided with pressure relief at battery of the present invention two ends,, increased pressure relief device not taking under the situation of inside battery space, help improving the security performance of battery, be particularly suited for making jumbo battery.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the generalized section of the preferred embodiment of cylindrical anti-explosion battery of the present invention;
Fig. 2 is the front view of the block of first in the preferred embodiment of cylindrical anti-explosion battery of the present invention;
Fig. 3 is the front view of the block of second in the preferred embodiment of cylindrical anti-explosion battery of the present invention;
Fig. 4 is an A portion enlarged drawing among Fig. 1;
Fig. 5 is a B portion enlarged drawing among Fig. 1.
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, a preferred embodiment for cylindrical anti-explosion battery of the present invention, electric core 200 is housed in columniform metal shell 100, this electricity core 200 is by just, negative plate and membrane coil are around forming, metal shell 100 has base plate 110 and openend 120, electricity core 200 is by openend 120 metal shell 100 of packing into, the openend 120 piers envelope of metal shell 100 has first block 300, the positive pole of electricity core 200 is connected by sheet metal 220 conductions with first block 300, the negative pole of electricity core 200 is connected by sheet metal 210 conductions with metal shell 100, the points outside of the base plate 110 of metal shell 100 is welded with second block 400, on first block 300, and be provided with pressure relief between second block 400 and the base plate 110.
Referring to Fig. 1, Fig. 2 and Fig. 5, being insulated by cushion rubber 500 between openend 120, the first block 300 that first block, 300 piers are enclosed in metal shell 100 and the metal shell 100 separates.First block 300 comprises substrate 310 and the tack polar cap 320 that is arranged on the substrate 310, the pressure relief of first block 300 comprises first air-vent 311 that is arranged on the substrate 310, and first elastomer 610 that covers first air-vent 311, air-vent 311 is positioned at the center of substrate 310, tack polar cap 320 is pressed in first elastomer 610 between tack polar cap 320 and the substrate 310, and tack polar cap 320 is provided with the first ventilative opening 321.When cell internal pressure was too high, pressure was pushed elastomer 610 open, and gas is discharged by air-vent 311, and was discharged to the outside of battery by ventilative opening 321.In the present embodiment, substrate 310 flange are fixed on tack polar cap (or plush copper polar cap) 320 on the substrate 310, also can adopt the mode of spot welding that tack polar cap 320 is fixed on the substrate 310 in the reality.
Referring to Fig. 1, Fig. 3 and Fig. 4, second block 400 is a plush copper polar cap 400, pressure relief between second block 400 and the described base plate 110 comprises second air-vent 111 that is arranged on the base plate 110, and second elastomer 620 that covers second air-vent 111, second air-vent 111 is positioned at the position at base plate 110 centers, plush copper polar cap 400 is pressed in described second elastomer 620 between plush copper polar cap 400 and the described base plate 110, plush copper polar cap 400 is provided with the second ventilative opening 410, in the present embodiment, the second ventilative opening 410 has three, is distributed on the plush copper polar cap 400.When cell internal pressure was too high, pressure was pushed elastomer 610 open, and gas is discharged by air-vent 111, and is discharged to outside batteries by the second saturating opening 410.Because all there is pressure relief device at the battery two ends, when cell internal pressure sharply raise, two pressure relief devices were opened simultaneously, can guarantee the smooth pressure release of battery, to prevent that battery from blasting, have only the battery of a pressure relief device relatively, anti-explosion battery of the present invention has higher pressure release ability.
Tack polar cap 320 in the present embodiment can change the plush copper polar cap in practice, and same, plush copper polar cap 400 can change the tack polar cap into, and these all belong to the scope of protection of the invention.
In the present embodiment, elastomer 610,620 is flexible ball, also can adopt resilient rubbber cushion to replace the elastic caoutchouc ball in the reality.
The metal shell of cylindrical anti-explosion battery of the present invention can be box hat or aluminum hull, for example can be stamped to form with cold-rolled carbon steel thin plate (SPCD) by punching press.
Electric core of the present invention can be the electric core of NI-G, ni-mh, nickel zinc or lithium.
Because spot welding plush copper polar cap or tack polar cap on the base plate of metal shell in the present invention, the two ends of battery all are provided with pressure relief device.This structure has increased pressure relief device not taking under the situation of inside battery space, helps improving the security performance of battery, is particularly suited for making jumbo battery.
In conjunction with the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (9)
1. cylindrical anti-explosion battery, comprise metal shell, the electricity core, described metal shell is cylindrical, described metal shell has a base plate and an openend, described electric core is by the described openend described metal shell of packing into, it is characterized in that, also comprise first block and second block, the described first block pier is enclosed in the openend of described metal shell, the positive pole of described electric core is connected with the described first block conduction, and the negative pole of described electric core is connected with described metal shell conduction, and described second block point is welded in the outside of described base plate, described first block has pressure relief, is provided with pressure relief between described second block and the described base plate.
2. cylindrical anti-explosion battery according to claim 1, it is characterized in that, described first block comprises substrate and the tack polar cap or the plush copper polar cap that are arranged on the substrate, the pressure relief of described first block comprises first air-vent that is arranged on the described substrate, and first elastomer that covers described first air-vent, described tack polar cap or plush copper polar cap are pressed in described first elastomer between tack polar cap or plush copper polar cap and the substrate, and described tack polar cap or plush copper polar cap are provided with the first ventilative opening.
3. cylindrical anti-explosion battery according to claim 1, it is characterized in that, described second block is plush copper polar cap or tack polar cap, pressure relief between described second block and the described base plate comprises second air-vent that is arranged on the described base plate, and second elastomer that covers described second air-vent, described second block is pressed in described second elastomer between described second block and the described base plate, and second block is provided with the second ventilative opening.
4. cylindrical anti-explosion battery according to claim 2 is characterized in that described first air-vent is positioned at the center of described substrate.
5. cylindrical anti-explosion battery according to claim 3 is characterized in that described second air-vent is positioned at the center of described base plate.
6. according to each described cylindrical anti-explosion battery of claim 1 to 5, it is characterized in that described elastomer is ball or rubber cushion blocks.
7. according to each described cylindrical anti-explosion battery of claim 1 to 5, it is characterized in that described metal shell is box hat or aluminum hull.
8. according to each described cylindrical anti-explosion battery of claim 1 to 5, it is characterized in that described cylindrical anti-explosion battery is NI-G, ni-mh, nickel zinc or lithium battery.
9. according to each described cylindrical anti-explosion battery of claim 1 to 5, it is characterized in that described metal shell is formed with the cold-rolled carbon steel sheet stamping by punching press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010171438A CN101841058A (en) | 2010-05-12 | 2010-05-12 | Cylindrical anti-explosive battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010171438A CN101841058A (en) | 2010-05-12 | 2010-05-12 | Cylindrical anti-explosive battery |
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| Publication Number | Publication Date |
|---|---|
| CN101841058A true CN101841058A (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010171438A Pending CN101841058A (en) | 2010-05-12 | 2010-05-12 | Cylindrical anti-explosive battery |
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| CN (1) | CN101841058A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447090A (en) * | 2010-10-01 | 2012-05-09 | 微宏动力系统（湖州）有限公司 | Assembled battery |
| CN106654085A (en) * | 2016-08-31 | 2017-05-10 | 广东新凌嘉新能源股份有限公司 | Explosion-proof, thermal-insulation and flame-retardant battery, battery pack and application method of explosion-proof, thermal-insulation and flame-retardant battery |
| CN107834123A (en) * | 2017-11-06 | 2018-03-23 | 惠州亿纬锂能股份有限公司 | A kind of USB rechargeable batteries of safe high-energy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000106161A (en) * | 1998-09-30 | 2000-04-11 | Sanyo Electric Co Ltd | Sealed battery |
| CN2672880Y (en) * | 2003-12-23 | 2005-01-19 | 黄满昌 | Spot welded positive pole cap of chargeable cell |
-
2010
- 2010-05-12 CN CN201010171438A patent/CN101841058A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000106161A (en) * | 1998-09-30 | 2000-04-11 | Sanyo Electric Co Ltd | Sealed battery |
| CN2672880Y (en) * | 2003-12-23 | 2005-01-19 | 黄满昌 | Spot welded positive pole cap of chargeable cell |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447090A (en) * | 2010-10-01 | 2012-05-09 | 微宏动力系统（湖州）有限公司 | Assembled battery |
| CN102447090B (en) * | 2010-10-01 | 2015-03-25 | 微宏动力系统（湖州）有限公司 | Assembled battery |
| CN106654085A (en) * | 2016-08-31 | 2017-05-10 | 广东新凌嘉新能源股份有限公司 | Explosion-proof, thermal-insulation and flame-retardant battery, battery pack and application method of explosion-proof, thermal-insulation and flame-retardant battery |
| CN107834123A (en) * | 2017-11-06 | 2018-03-23 | 惠州亿纬锂能股份有限公司 | A kind of USB rechargeable batteries of safe high-energy |
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| ASS | Succession or assignment of patent right |
Owner name: LONG XIANG Free format text: FORMER OWNER: SHENZHEN BETTERPOWER BATTERY CO. LTD. Effective date: 20111010 |
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Free format text: CORRECT: ADDRESS; FROM: 518109 SHENZHEN, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20111010 Address after: No. 2 golden tennis garden nine road 518000 in Guangdong Province, Shenzhen Futian Antoine Hill No. 5 Building 1 12B Applicant after: Long Xiang Address before: 518109, Guangdong, Shenzhen province Baoan District big wave Street Stone Village 11 Industrial Park Applicant before: Shenzhen BetterPower Battery Co., Ltd. |
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Owner name: SHENZHEN BETTERPOWER BATTERY CO. LTD. Free format text: FORMER OWNER: LONG XIANG Effective date: 20111226 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518109 SHENZHEN, GUANGDONG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20111226 Address after: 518109, Guangdong, Shenzhen province Baoan District big wave Street Stone Village 11 Industrial Park Applicant after: Shenzhen BetterPower Battery Co., Ltd. Address before: No. 2 golden tennis garden nine road 518000 in Guangdong Province, Shenzhen Futian Antoine Hill No. 5 Building 1 12B Applicant before: Long Xiang |
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Application publication date: 20100922 |