CN201812871U - Explosion-proof structure of energy storage device - Google Patents
Explosion-proof structure of energy storage device Download PDFInfo
- Publication number
- CN201812871U CN201812871U CN2010205175781U CN201020517578U CN201812871U CN 201812871 U CN201812871 U CN 201812871U CN 2010205175781 U CN2010205175781 U CN 2010205175781U CN 201020517578 U CN201020517578 U CN 201020517578U CN 201812871 U CN201812871 U CN 201812871U
- Authority
- CN
- China
- Prior art keywords
- energy storage
- storage device
- explosion
- rubber
- hole
- 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 - Lifetime
Links
Images
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 provides an explosion-proof structure of an energy storage device. The explosion-proof structure is characterized in that at least one hole by which the inside and the outside of the energy storage device are communicated is arranged in an anode bolt and a cathode bolt of the energy storage device; and a rubber explosion-proof valve or a foil explosion-proof valve is arranged in the hole. The utility model has the characteristics of favorable explosion-proof pressure consistency and sealing effect, saves space and is not easy to damage in the production or use. With the multi-section hole design, the explosion-proof valve can be better protected; by increasing exhaust channels of the explosion-proof structure, so that the energy storage device better releases the pressure; by selecting a rubber valve, the explosion-proof structure has favorable sealing and explosion-proof effects, is not easy to damage by external force, has high consistency and can be applied to mostly of energy storage devices without braze welding, laser welding and other production procedures; the explosion-proof structure has the advantage of lower cost and is simpler for production; the explosion-proof valve can be also selected from aluminum foil, copper foil, aluminum alloy foil, copper alloy foil and the like so as to be bettered protected; and in addition, the explosion-proof valve can be applied to the anode bolt or the cathode bolt.
Description
Technical field
The utility model relates to a kind of energy storage device blast resistance construction field, is specifically related to a kind of design of being made 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 purpose of this utility model is: the some shortcomings at existing energy storage device blast resistance construction exists provide a kind of new energy storage device blast resistance construction.
The blast resistance construction that the utility model proposed 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.The utility model specific design structure is for achieving the above object:
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 the utility model blast resistance construction 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 the utility model energy storage device 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 utility model 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 utility model 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 utility model can be 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; The utility model explosion-proof valve is compared with other products if select aluminium foil, Copper Foil, alloy foil, copper alloy foil etc., and this structure 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 in conjunction with the accompanying drawings the utility model is elaborated below by embodiment, its beneficial effect is described simultaneously.Following execution mode just meets the example of the utility model technology contents, is not limited in the described content of following example, and the technical staff in the industry all belongs to the utility model content 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, a kind of in square.
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 |
|---|---|---|---|
| CN2010205175781U CN201812871U (en) | 2010-09-01 | 2010-09-01 | Explosion-proof structure of energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205175781U CN201812871U (en) | 2010-09-01 | 2010-09-01 | Explosion-proof structure of energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812871U true CN201812871U (en) | 2011-04-27 |
Family
ID=43895809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205175781U Expired - Lifetime CN201812871U (en) | 2010-09-01 | 2010-09-01 | Explosion-proof structure of energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964409A (en) * | 2010-09-01 | 2011-02-02 | 朝阳立塬新能源有限公司 | Explosion-proof structure of energy-storing device |
-
2010
- 2010-09-01 CN CN2010205175781U patent/CN201812871U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964409A (en) * | 2010-09-01 | 2011-02-02 | 朝阳立塬新能源有限公司 | Explosion-proof structure of energy-storing device |
| CN101964409B (en) * | 2010-09-01 | 2013-03-27 | 朝阳立塬新能源有限公司 | Explosion-proof structure of energy-storing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9853266B2 (en) | Vent and cap assembly of power battery | |
| CN107507937B (en) | Thermal-insulated fire prevention explosion-proof group battery | |
| CN202004055U (en) | Novel sealing plate of high capacity power lithium battery | |
| CN101964409B (en) | Explosion-proof structure of energy-storing device | |
| CN205609636U (en) | Explosion -proof piece and secondary cell | |
| CN101459230A (en) | Explosion prevention coiling type power lithium battery | |
| CN201853755U (en) | Anti-explosion film and lithium ion battery with same | |
| CN2854822Y (en) | Explosion-proof device combined with lithium ion battery | |
| CN202405346U (en) | Power battery and explosion-proof device thereof | |
| CN201812871U (en) | Explosion-proof structure of energy storage device | |
| CN204155988U (en) | A kind of lithium ion cylinder battery cover plate explosion-proof valve and battery | |
| CN109585748A (en) | A kind of power battery explosion protection structure | |
| CN201178111Y (en) | Safety apparatus for battery | |
| CN207320260U (en) | A kind of LiFePO4 battery core | |
| CN201478362U (en) | Combined cover cap anti-explosion device of lithium ion battery | |
| CN202749440U (en) | Anti-explosion combination cap for cylindrical lithium battery of small outer diameter | |
| CN203466229U (en) | Lithium-ion power battery with novel explosion-proof shell structure | |
| CN204257738U (en) | Overcurrent protection Soft Roll lug | |
| CN206893681U (en) | Safety anti-explosive battery | |
| CN202352747U (en) | Explosion-proof lithium battery cover plate with sealing ring | |
| CN2514496Y (en) | Explosion-proof lithium ion cell | |
| CN204243115U (en) | The anti-explosion safety end cover structure of lithium-ion-power cell | |
| CN110880564A (en) | Novel lithium battery shell and shell cover applying same | |
| CN104393228A (en) | Constant-voltage cylindrical lithium battery | |
| CN202695566U (en) | Lithium battery nut cap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110427 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |