CN101964409A - Explosion-proof structure of energy-storing device - Google Patents
Explosion-proof structure of energy-storing device Download PDFInfo
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- CN101964409A CN101964409A CN2010102727188A CN201010272718A CN101964409A CN 101964409 A CN101964409 A CN 101964409A CN 2010102727188 A CN2010102727188 A CN 2010102727188A CN 201010272718 A CN201010272718 A CN 201010272718A CN 101964409 A CN101964409 A CN 101964409A
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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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Abstract
The invention provides an explosion-proof structure of an energy-storing device, and the structure is characterized in that at least one hole communicated with the interior of the energy-storing device is arranged in a positive pole bolt of the energy-storing device, at least one hole communicated with the exterior of the energy-storing device is arranged in a negative pole bolt, and rubber explosion-proof valves or foil explosion-proof valves are arranged in the holes. The explosion-proof structure has the characteristics of saving space, being difficult to be damaged during the production or the use, and having consistent explosion-proof pressure and good sealing effect; the adoption of the design of the multiple holes can well protect the explosion-proof valves, and a ventilation channel of the explosion-proof structure can be increased for leading the energy-storing device to realize better pressure relief; the rubber valves can be selected, thereby having good sealing and explosion-proof effects, being difficult to be damaged due to external force, having very high consistency, being applied in most of the energy-storing devices, being unnecessary to carry out brazing, laser welding and other production process steps, and having the advantages of simpler production and lower cost; and the explosion-proof valves can also select aluminum foils, copper foils, aluminum alloy foils, copper alloy foils and the like, thereby well protecting the explosion-proof valves, and being applied in the positive pole bolts or the negative pole bolts.
Description
Technical field
The present invention relates to a kind of energy storage device blast resistance construction field, be specifically related to a kind of design of making the energy storage device blast resistance construction by energy storage device positive and negative electrode bolt and explosion-proof valve.
Background technology
The energy storage device blast resistance construction is the indispensable piths of various energy storage devices.People can use various energy storage devices in the life, because it has explosion hazard, design various energy storage device blast resistance constructions thus to eliminate the potential safety hazard of energy storage device.
Energy storage device blast resistance construction design at present mainly contains: (1) directly makes part of energy storage device very thin, and application number is that 200820066478.4 patent promptly is this kind design, and it is carved with cutting on sidewall wall around battery container.The local making of energy storage device approached as blast resistance construction, owing to be subjected to the restriction of material, be difficult to control pressure release value, thin degree is difficult to control, and the explosion-proof pressure precision is low, can not promptly and accurately break, and has the potential hazard of catching fire and exploding, so explosion-proof effect is not good.(2) thin paper tinsel system blast resistance construction is installed on the energy storage device housing, this kind structural design is a lot, it as application number 01123958.1,200610041454.9,201010039668.9,98236150.5 patent, wherein the project organization of No. 01123958 patent is: on the cover board design aperture, at Kong Shangyong ultrasonic bonding foil; 200610041454.9 being designed to of number patent has explosionproof hole on the battery cover board matrix, be stamped explosion-proof aluminum-foil on the explosionproof hole, around the medial surface explosionproof hole of battery cover board matrix, handle the formation chromizing film layer through chromaking, between explosion-proof aluminum-foil and chromizing film layer, be provided with the hotmelt rete, explosion-proof aluminum-foil, hotmelt rete and battery cover board three are one by hot-press solidifying, and the hotmelt rete that is positioned at the explosionproof hole place is provided with the hole.With paper tinsel system blast resistance construction be installed in make on the housing blast resistance construction be exposed to the outside, in the production use, be easy to be subjected to the external force breakage.(3) producing explosion-proof impression on the energy storage device housing, is 03232448.0,200620130790.6 patent as application number, and wherein No. 03232448.0 patent project organization is: go out by the explosion-proof groove that is radial extension around the middle mind-set in the aluminum hull bottom design; 200620130790.6 number patent project organization is: produce " worker " word shape concave in the inside or the outside of battery container.On the energy storage device housing, produce explosion-proof impression, its explosion-proof pressure be difficult to control and the scope of application narrow, can not spread to most of energy storage device.(4) blast resistance construction is combined with energy storage device bolt or electrode, relevant patent has: application number is 200410037924.5,200910180045.0,200420085802.9,200820094941.6,03242743.3, wherein No. 200410037924.5 patents are designed to the steel rivet structure that can be used as negative pole of rupture pressure disc, its production needs soldering, Laser Welding etc., structure is complicated, sealing effectiveness is difficult to guarantee, compare with this class formation, the present invention processes simply, good sealing effect and cost are low, and both positive and negative polarity can be used.200910180045.0, the something in common of 200420085802.9,200820094941.6, No. 03242743.3 patent structures is: pole is porose, and the explosion-proof valve of paper tinsel system is fixed on the top of lug, it is subject to the scratching of external force, produce this structure and need welding, increase the production complexity, and cost is higher; And explosion-proof valve of the present invention need not welding sequence if select rubber valve only to need rubber valve is inserted anodal bolt hole or negative pole bolt hole, and cost is lower, if select other kind explosion-proof valves, because of its in positive pole bolt or negative pole bolt inside, so be difficult for by scratching.
Summary of the invention
The objective of the invention is: the some shortcomings at existing energy storage device blast resistance construction exists provide a kind of new energy storage device blast resistance construction.
Blast resistance construction proposed by the invention can overcome many defectives of above product, on the positive and negative electrode bolt of energy storage device, produce and to be communicated with the inner and outside hole of energy storage device, the hole can be clear opening, directly is communicated with energy storage device inside and energy storage device outside; Described hole can also be made of the multistage hole that axial hole and radial hole are formed.This structural design is simple, realizes easily, can protect the explosion-proof valve of positive pole bolt or negative pole bolt inside; Be built-in with explosion-proof valve at positive pole bolt or negative pole bolt hole, and explosion-proof valve is if select rubber valve, its top thickness can keep very high consistency, so explosion-proof pressure high conformity that rubber valve can bear, the thickness of adjusting the rubber valve top can change the explosion-proof pressure of this blast resistance construction, rubber valve can be combined closely with positive pole bolt or negative pole bolt, keep sealing effectiveness, and rubber valve is positioned at positive pole bolt or negative pole bolt inside, compare with above prior art and product, this blast resistance construction is difficult for by unexpected damaged, and sealing and explosion-proof effect are good and very high consistency is arranged, and can be applied to most of energy storage device; Explosion-proof valve can also be selected rupture pressure disc, and the rupture pressure disc material can be one or more in aluminium foil, Copper Foil, alloy foil, the copper alloy foil.Compare with above invention, the selectable kind of explosion-proof valve of the present invention is a lot, and more is difficult for being damaged.Specific design structure of the present invention for achieving the above object is:
A kind of energy storage device blast resistance construction, comprise energy storage device positive and negative electrode bolt part and explosion-proof valve part, it is characterized in that: in the positive pole bolt of energy storage device, negative pole bolt, be provided with one at least and be communicated with the inner and outside hole of energy storage device, be built-in with explosion-proof valve in described hole.
The structure of anodal bolt hole of energy storage device or negative pole bolt hole comprises circle, ellipse, the various rules in square or irregularly shaped.
Described hole is axial clear opening, and it is inner and outside that this hole directly is communicated with energy storage device.
Described hole can also be made of the multistage hole that axial clear opening and radial hole are formed and be communicated with; Be positioned at the radial hole top, and have square groove at the place, periphery at positive pole bolt or negative pole bolt top, axial hole is by radial hole and square groove and external communications.
The hole in positive pole bolt or the explosion-proof valve of the inside, hole in the negative pole bolt are positioned at the bottom in hole, and the shape of explosion-proof valve shape and bolt hole base apertures matches.
The energy storage device that blast resistance construction of the present invention can be applied to comprises by electrochemical principle and carries out the device of energy storage and the device that carries out energy storage by physical principle that these energy storage devices are: lithium ion battery, ultracapacitor, mixed capacitor, electrochemical capacitor, double electric layer capacitor, capacitor batteries, high power battery etc.
The material of positive pole bolt of energy storage device of the present invention or negative pole bolt is selected from one or more in copper or copper alloy, nickel-clad copper alloy, aluminum or aluminum alloy, nickel or nickel alloy, the stainless steel; Explosion-proof valve can be set to the caulking gum valve, and its material is to comprise in them any one of natural rubber, butadiene-styrene rubber, butadiene rubber, isoprene rubber, neoprene, butyl rubber, acrylonitrile-butadiene rubber, hydrogenation nitrile rubber, ethylene-propylene rubber, silicon rubber, fluorubber, fluosilicic rubber, polyurethane rubber, acrylate rubber, chlorosulfonated polyethylene rubber, epichlorohydrin rubber, polysulfide rubber, chlorohydrin rubber, acrylate rubber; Explosion-proof valve can also be designed to the rupture pressure disc structure, and the rupture pressure disc material can be one or more in aluminium foil, Copper Foil, alloy foil, the copper alloy foil.
Characteristics of the present invention are: explosion-proof valve is put into positive pole bolt or negative pole bolt hole, if it is adopt clear opening, easy to process; If adopt the design in multistage hole; can the better protection explosion-proof valve; and can increase exhaust passage of the present invention; can make the better pressure release of energy storage device; compare with other energy storage device blast resistance constructions; explosion-proof valve of the present invention has multiple choices, as rubber valve, aluminium foil, Copper Foil, alloy foil, copper alloy foil etc.Explosion-proof valve of the present invention is if select rubber valve, good sealing effect then, explosion-proof effect is good, it is damaged and very high consistency is arranged not to be subject to external force, and can be applied to most of energy storage device, and rubber valve to have a making simpler, the advantage that cost is cheaper; The present invention can put into rubber valve positive pole bolt or negative pole bolt hole, and is difficult for need not production process such as soldering, Laser Welding, and both positive and negative polarity can being used by scratching; Compared with prior art, it is simple that rubber valve has processing, good sealing effect, the distinguishing feature that cost is lower; Explosion-proof valve of the present invention is compared with other products if select aluminium foil, Copper Foil, alloy foil, copper alloy foil etc., and the present invention can the better protection explosion-proof valve, and can be applied to positive pole bolt or negative pole bolt.
Description of drawings
Fig. 1 is positive pole bolt or negative pole bolt and paper tinsel system explosion-proof valve combining structure cutaway view.
Fig. 2 is positive pole bolt or a negative pole bolt vertical view among Fig. 1.
Fig. 3 is the positive pole bolt of energy storage device or negative pole bolt and rubber valve combining structure cutaway view.
Fig. 4 is positive pole bolt or a negative pole bolt vertical view among Fig. 3.
Fig. 5, Fig. 6 are respectively rubber valve cutaway view and vertical view.
Fig. 7 is another kind of positive pole bolt or negative pole bolt and paper tinsel system explosion-proof valve combining structure cutaway view.
Among the figure: 1 axial clear opening, 2 radial holes, 3 square grooves, 4 rubber valve tops, 5 paper tinsel system explosion-proof valves, the positive pole bolt of 6a, 6b negative pole bolt, 7 rubber valves.
Embodiment
Also the present invention is described in detail in conjunction with the accompanying drawings below by embodiment, and effect of the present invention is described simultaneously.Following execution mode just meets the example of the technology of the present invention content, does not illustrate that the present invention only limits to the described content of following example, and the technical staff in the industry all belongs to content of the present invention according to the product of this claim item manufacturing.
Embodiment 1:
As shown in Figure 1 and Figure 2, the positive pole bolt 6a of energy storage device is designed to have connects the inner and outside circular axial clear opening 1 of energy storage device, the structure of radial hole 2.
See Fig. 1, paper tinsel system explosion-proof valve 5 is inserted the bottom of circular axial clear opening 1, it is 3003 aluminium alloy that the material of positive pole bolt 6a is selected the trade mark for use; Explosion-proof valve 5 shaped design are become the circular configuration that matches with axial clear opening 1 bottom shape; Explosion-proof valve 5 is selected the Copper Foil rupture pressure disc for use.Explosion-proof valve 5 is placed in inside, positive pole bolt 6a hole, is difficult for being damaged in production and use.Design radial hole 2 can still can be the inner pressure release of energy storage device when axially clear opening 1 is by unexpected the obstruction.
Embodiment 2:
As Fig. 7, shown in Figure 4, the positive pole bolt 6a of energy storage device is designed to connect the structure of inner and outside circular axial clear opening 1, radial hole 2 and square groove 3 of energy storage device.
See Fig. 7, explosion-proof valve 5 is inserted the bottom of axial clear opening 1, it is 6082 aluminium alloy that the material of positive pole bolt 6a is selected the trade mark for use; Explosion-proof valve 5 shaped design are become the circular configuration that matches with axial clear opening 1 bottom shape; Explosion-proof valve 5 is selected the aluminium foil rupture pressure disc for use.Axially clear opening 1 is compared with embodiment 1 by radial hole 2 and square groove 3 and external communications, and explosion-proof valve is further protected in this kind design, can prevent that foreign matter from being entered by axial clear opening 1 and stop up or damage explosion-proof valve; If radial hole 2 is stopped up by nut, it be the inner pressure release of energy storage device that gas still can be discharged by square groove 3.
Embodiment 3:
As shown in Figure 3, Figure 4, the negative pole bolt 6b of energy storage device is designed to connect the structure of inner and outside circular axial clear opening 1, radial hole 2 and square groove 3 of energy storage device.
See Fig. 3, Fig. 5, rubber valve 7 is put into the bottom of circular axial clear opening 1, it is the Pb59-1 lead brass alloy that the material of negative pole bolt 6b is selected the trade mark for use; Rubber valve 7 shaped design are become the structure that matches with circular port 1 bottom shape; The material of rubber valve 7 is selected natural rubber for use.As shown in Figure 5, when the energy storage device internal pressure was higher than rubber valve and can bears the pressure peak, rubber valve top 4 will be broken by drum, be reached for the purpose of the inner pressure release of energy storage device.According to required explosion-proof pressure, adjust the thickness at rubber valve top 4, to satisfy the demand of energy storage device to different explosion-proof pressures.This kind design not only can be protected explosion-proof valve as embodiment 1, embodiment 2, have good explosion-proof effect, and explosion-proof valve employing rubber valve, has the advantage that making is simpler, cost is cheaper.
Claims (10)
1. energy storage device blast resistance construction, comprise energy storage device positive and negative electrode bolt part and explosion-proof valve part, it is characterized in that: in the positive pole bolt of energy storage device, negative pole bolt, be provided with one at least and be communicated with the inner and outside hole of energy storage device, be built-in with explosion-proof valve in described hole.
2. energy storage device blast resistance construction according to claim 1 is characterized in that: the structure of energy storage device positive and negative electrode bolt hole comprises circle, ellipse, the various rules in square or irregularly shaped.
3. energy storage device blast resistance construction according to claim 1 is characterized in that: described hole is axial clear opening, and it is inner and outside that this hole directly is communicated with energy storage device.
4. energy storage device blast resistance construction according to claim 1 is characterized in that: the multistage hole that described hole is formed and is communicated with by axial clear opening and radial hole constitutes.
5. energy storage device blast resistance construction according to claim 4 is characterized in that: the place, periphery that is positioned at radial hole top and positive pole bolt or negative pole bolt top has square groove, and axial hole is by radial hole and square groove and external communications.
6. energy storage device blast resistance construction according to claim 1 is characterized in that: energy storage device both positive and negative polarity bolt material is selected from one or more in copper or copper alloy, nickel-clad copper alloy, aluminum or aluminum alloy, nickel or nickel alloy, the stainless steel.
7. energy storage device blast resistance construction according to claim 1, it is characterized in that: described explosion-proof valve is the caulking gum valve, and the material of caulking gum valve is to comprise in them any one of natural rubber, butadiene-styrene rubber, butadiene rubber, isoprene rubber, neoprene, butyl rubber, acrylonitrile-butadiene rubber, hydrogenation nitrile rubber, ethylene-propylene rubber, silicon rubber, fluorubber, fluosilicic rubber, polyurethane rubber, acrylate rubber, chlorosulfonated polyethylene rubber, epichlorohydrin rubber, polysulfide rubber, chlorohydrin rubber, acrylate rubber.
8. energy storage device blast resistance construction according to claim 1 is characterized in that: described explosion-proof valve is designed to the rupture pressure disc structure, and the rupture pressure disc material is selected from them one or more of aluminium foil, Copper Foil, alloy foil, copper alloy foil and plastic film.
9. according to claim 7 or 8 described energy storage device blast resistance constructions, it is characterized in that: the hole in positive pole bolt or the explosion-proof valve of the inside, hole in the negative pole bolt are positioned at the bottom in hole, and the shape of explosion-proof valve shape and bolt hole base apertures matches.
10. energy storage device blast resistance construction according to claim 1 is characterized in that: described energy storage device blast resistance construction is applied to comprise lithium ion battery, ultracapacitor, mixed capacitor, high power battery, electrochemical capacitor, double electric layer capacitor, capacitor batteries any one energy storage device in them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102727188A CN101964409B (en) | 2010-09-01 | 2010-09-01 | Explosion-proof structure of energy-storing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102727188A CN101964409B (en) | 2010-09-01 | 2010-09-01 | Explosion-proof structure of energy-storing device |
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| CN101964409A true CN101964409A (en) | 2011-02-02 |
| CN101964409B CN101964409B (en) | 2013-03-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428078A (en) * | 2015-12-21 | 2016-03-23 | 上海奥威科技开发有限公司 | Novel integrated anti-explosion valve structure for super capacitor and fabrication method of novel integrated anti-explosion valve structure |
| CN109585769A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | A kind of battery output terminal and the battery cover board using the battery output terminal |
| CN109585768A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | Battery, battery modules and battery case, vehicle using the battery modules |
| CN109690812A (en) * | 2016-09-13 | 2019-04-26 | 株式会社东芝 | Accumulator plant and vehicle |
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| CN109585769A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | A kind of battery output terminal and the battery cover board using the battery output terminal |
| CN109585768A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | Battery, battery modules and battery case, vehicle using the battery modules |
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| CN101964409B (en) | 2013-03-27 |
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