CN202855822U - Flame self-extinguishing safety valve cover on battery safety valve - Google Patents
Flame self-extinguishing safety valve cover on battery safety valve Download PDFInfo
- Publication number
- CN202855822U CN202855822U CN2012204861114U CN201220486111U CN202855822U CN 202855822 U CN202855822 U CN 202855822U CN 2012204861114 U CN2012204861114 U CN 2012204861114U CN 201220486111 U CN201220486111 U CN 201220486111U CN 202855822 U CN202855822 U CN 202855822U
- Authority
- CN
- China
- Prior art keywords
- safety valve
- flame
- air bag
- battery
- cover
- 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
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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 utility model relates to a flame self-extinguishing safety valve cover on a battery safety valve, belonging to the field of valve-controlled lead-acid storage batteries. The flame self-extinguishing safety valve cover comprises an inflaming retarding cover body, wherein a circle of inflaming retarding cover housing is sealed around the inflaming retarding cover body, an air bag is arranged in an inflaming retarding cover housing, and an air bag cover is arranged on one side of the air bag. According to the utility model, combustible gas emission is realized by using air permeability and high-temperature resistance of a corundum air filter, flame can be blocked from penetrating in a battery within a short time; and heat is transmitted to ensure that a polyolefin material on a deflation point of the air bag is smelted to release fire-extinguishing gas. The fire extinguishing air bag is arranged on the safety valve cover, and since melting points of two high polymer materials are different, the blowing-out point of the fire extinguishing gas can be controlled.
Description
Technical field
The flame that the utility model relates on a kind of battery safety valve puts out safe valve gap certainly, belongs to the analysing valve control type lead-acid accumulator battery field.
Background technology
Safety valve is a vitals of valve controlled sealed lead-acid accumulator, and comprehensive at present domestic and international its structure of kind probably has: valve body, plunger (or Capsule), filter acid film, voltage regulation screw, sealing ring and valve gap form.Wherein valve gap adopts fire-retardant PP or anti-flaming ABS material substantially, and its contour structures is bottle cap shape or spherical substantially, above or steam vent is arranged all around or leaves exhaust clearance, it mainly plays the protection safety valve and strengthens outward appearance.
The mist that is comprised of a small amount of hydrogen and most of oxygen in the analysing valve control type lead-acid accumulator battery also keeps certain pressure.Air pressure inside increases when over-charging of battery, the safety valve exhaust.Because hydrogen and oxygen gas mixture is inflammable and explosive, so battery cover and safety valve all adopt fire proofing, wants to improve with this fail safe of battery.Yet this is a kind of precautionary measures of passiveness.In a single day the hydrogen and oxygen gas mixture of discharging is lighted, flame retarded polymeric material is fusing rapidly, and flame can be scurried into inside battery and cause that battery fires.Since analysing valve control type lead-acid accumulator battery was widely used, the repeatedly fire incident of communication base station just enough caused that we are to the concern of analysing valve control type lead-acid accumulator battery safety in operation.According to the statistics made by the departments concerned, in the power-supply device accident of communication system, the storage battery accident accounts for 70%, badly influences communication security.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of safe valve gap of the flame that can certainly stop working, to guarantee the safe operation of storage battery.
According to the technical scheme that the utility model provides, the flame on a kind of battery safety valve comprises the flame retardant cover body from putting out safe valve gap, is sealed with a circle flame retardant cover shell around the flame retardant cover body, is provided with air bag in the flame retardant cover shell, and a side of air bag also is provided with airbag cover.
The place that described air bag is connected with the flame retardant cover shell also is provided with a puff prot that is used for spurting fire-suppressant gas.
Described flame retardant cover shell material therefor is PP.Described puff prot material therefor is polyolefin.Described flame retardant cover body material therefor is the corundum sheet.
The utlity model has following advantage: the utility model utilizes the ventilative and resistance to elevated temperatures of corundum air filter piece to realize the fuel gas discharging, can intercept flame, makes flame can not penetrate at short notice battery; Transferring heat, thus make the polyolefine material fusing of air bag deflation point spurt fire-suppressant gas.It also covers at safety valve the fire extinguishing air bag is set, and utilizes two kinds of macromolecular material fusing points different, realizes the control that fire-suppressant gas is spurted gas point.
Description of drawings
Fig. 1 the utility model structure vertical view.
Fig. 2 the utility model structure cutaway view.
Description of reference numerals: 1, flame retardant cover body, 2, the flame retardant cover shell, 3, air bag, 4, airbag cover, 5, puff prot, 6, the handle of uncapping.
Embodiment
Shown in Fig. 1 ~ 2, the flame on a kind of battery safety valve comprises flame retardant cover body 1 from putting out safe valve gap, is sealed with a circle flame retardant cover shell 2 around the flame retardant cover body 1, is provided with air bag 3 in the flame retardant cover shell 2, and a side of air bag 3 also is provided with airbag cover 4.
The place that described air bag 3 is connected with flame retardant cover shell 2 also is provided with a puff prot 5 that is used for spurting fire-suppressant gas.Described flame retardant cover shell 2 material therefors are PP.Described puff prot 5 material therefors are polyolefin.Described flame retardant cover body 1 material therefor is the corundum sheet.
Contain the CO for fire extinguishing in the described air bag 3
2(or N
2) gas.Flame on the battery safety valve is connected with bayonet socket with valve body from putting out safe valve gap, and safety valve covers also with the handle 6 of uncapping.
Flame on the battery safety valve is the safety valve fuel gas of discharging in case lighted from putting out flame that safe valve gap relates to from putting out, and can automatically put out flame within a short period of time, and its operation principle is:
The fuel gas that safety valve is arranged is all discharged through flame retardant cover body 1 corundum sheet.In a single day fuel gas is lighted, the corundum sheet temporarily can stop flame to scurry into battery from safety valve, and corundum sheet temperature raises simultaneously.Because that locates in air bag and corundum sheet contact-making surface and fuel gas exhaust passage a bit adopts polyolefine material, fusing point is 70 ℃ lower 30 ℃ than fire-retardant PP, so after corundum sheet temperature raise, the polyolefine material at this place at first melted, thereby has determined the discharge point of fire-suppressant gas.Than the higher carbon dioxide gas of fuel gas pressure in the storage battery, be filled with in the passage of fuel gas between Explosion-proof cap and the safety valve body from this, fuel gas is contained at short notice.CO
2(or N
2) gas separates fuel gas and flame, thereby realization flame is from putting out.Along with CO
2(or N
2) gas pressure decline, storage battery recovers exhaust, and as usual operation is not so can affect the normal operation of battery in the process of stamping out the flames.
When the utility model prepares, at first polyolefin particles and corundum sheet are placed on desired location in the mould, then injection mo(u)lding.In airbag chamber, put into again and can produce CO
2(or N
2) (for example: 0.1 gram aluminum sulfate and 0.6 gram sodium acid carbonate can generate the CO of 0.1-0.2MPa at the air bag internal reaction of 2 ㎝, 3 volumes for the chemical reagent of gas
2Air pressure).Then cover airbag cover, again injection moulding capping or ultrasonic bonding sealing (when capping, will as far as possible take out the air in the air bag).To put into immediately the beaker that fills clarification limewash after the sealing.If the constant muddiness of limewash and deposit-free after 1 hour, this valve gap is qualified products.
From putting out test, self-extinguishment can be reliable through up to a hundred flames for the utility model.Can guarantee the safe operation of analysing valve control type lead-acid accumulator battery fully.
Claims (5)
1. the flame on the battery safety valve is from putting out safe valve gap, it is characterized in that: comprise flame retardant cover body (1), flame retardant cover body (1) is sealed with a circle flame retardant cover shell (2) on every side, is provided with air bag (3) in the flame retardant cover shell (2), and a side of air bag (3) also is provided with airbag cover (4).
2. the flame on the battery safety valve is characterized in that from putting out safe valve gap as claimed in claim 1: the place that described air bag (3) is connected with flame retardant cover shell (2) also is provided with one for the puff prot (5) that spurts fire-suppressant gas.
3. the flame on the battery safety valve is from putting out safe valve gap as claimed in claim 1, and it is characterized in that: described flame retardant cover shell (2) material therefor is PP.
4. the flame on the battery safety valve is from putting out safe valve gap as claimed in claim 1, and it is characterized in that: described puff prot (5) material therefor is polyolefin.
5. the flame on the battery safety valve is from putting out safe valve gap as claimed in claim 1, and it is characterized in that: described flame retardant cover body (1) material therefor is the corundum sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204861114U CN202855822U (en) | 2012-09-22 | 2012-09-22 | Flame self-extinguishing safety valve cover on battery safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204861114U CN202855822U (en) | 2012-09-22 | 2012-09-22 | Flame self-extinguishing safety valve cover on battery safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855822U true CN202855822U (en) | 2013-04-03 |
Family
ID=47986988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204861114U Expired - Fee Related CN202855822U (en) | 2012-09-22 | 2012-09-22 | Flame self-extinguishing safety valve cover on battery safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855822U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810859A (en) * | 2016-05-24 | 2016-07-27 | 宁德时代新能源科技股份有限公司 | Secondary battery top cap and secondary battery |
| CN107204413A (en) * | 2017-05-26 | 2017-09-26 | 广西科技大学鹿山学院 | A kind of battery with protective case |
| CN109037520A (en) * | 2018-07-04 | 2018-12-18 | 中国电力科学研究院有限公司 | A kind of security method and apparatus of battery energy storage module |
-
2012
- 2012-09-22 CN CN2012204861114U patent/CN202855822U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810859A (en) * | 2016-05-24 | 2016-07-27 | 宁德时代新能源科技股份有限公司 | Secondary battery top cap and secondary battery |
| CN105810859B (en) * | 2016-05-24 | 2018-03-20 | 宁德时代新能源科技股份有限公司 | Secondary battery top cap and secondary battery |
| CN107204413A (en) * | 2017-05-26 | 2017-09-26 | 广西科技大学鹿山学院 | A kind of battery with protective case |
| CN109037520A (en) * | 2018-07-04 | 2018-12-18 | 中国电力科学研究院有限公司 | A kind of security method and apparatus of battery energy storage module |
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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: 20130403 Termination date: 20130922 |