CN204946962U - A kind of power brick with fire-retarding device - Google Patents
A kind of power brick with fire-retarding device Download PDFInfo
- Publication number
- CN204946962U CN204946962U CN201520704109.3U CN201520704109U CN204946962U CN 204946962 U CN204946962 U CN 204946962U CN 201520704109 U CN201520704109 U CN 201520704109U CN 204946962 U CN204946962 U CN 204946962U
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- Prior art keywords
- fire
- power brick
- retarding device
- battery
- retarding
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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 utility model discloses a kind of power brick with fire-retarding device, comprise power brick casing, fire-retarding device and battery, described fire-retarding device and battery are all positioned at described power brick casing, described fire-retarding device comprises sealing device and is wrapped in the fire retardant in described sealing device, and described sealing device can discharge fire retardant when being heated or extrude.The utility model arranges fire-retarding device in power brick casing, when battery pressure release in power brick casing or when catching fire, fire-retarding device is opened by temperature or pressure sensitive, and fire retardant spreads or enters inside battery in power brick, thus effective fire extinguishing cooling, improve fail safe.Meanwhile, fire-retarding device is arranged on outside battery by the utility model, and fire retardant both can have been avoided to produce harmful effect to battery performance, can reduce again the performance requirement of fire retardant except fire-retardant, thus effectively reduce costs.
Description
Technical field
The utility model is used for cell art, particularly relates to a kind of power brick with fire-retarding device.
Background technology
Lithium ion battery due to its energy density high, long service life, the premium properties such as memory-less effect are widely used in Miniature Power Unit driving arrangement, but due to the safety problem that thermal stability causes, it is used in large-sized battery and is restricted especially for the electrokinetic cell aspect of electric automobile (EV) and hybrid vehicle (HEV).
Lithium ion battery under abuse conditions (as heated, overcharging, cross put, short circuit, vibration, extruding etc.), electrochemistry occurs for Carbon anode, positive active material and lithium electrolyte etc. or chemical reaction releases heat, cause the intensification of battery, impel the carrying out of reaction further, if the hot generating rate of inside lithium ion cell is greater than heat leakage speed, then the reaction temperature in system will constantly rise.When accumulation of heat to a certain extent time, its possibility of result causes two kinds of extreme cases: the temperature of (1) reactive material reaches its ignition temperature and breaking out of fire; (2) because lithium ion battery is a closed system, raise with system internal temperature, reaction speed is accelerated, and reactant vapor pressure sharply rises.The reaction of the simultaneously decomposition of active material, active material and electrolyte all can produce a certain amount of gas, its result, when pressure release not in time, inner pressure of battery just can sharply rise and cause battery explosion.For battery pack, due to the chain reaction between battery, the thermal runaway consequence of battery is more serious.
Utility model content
For solving the problem, the utility model provides a kind of power brick with fire-retarding device, to improve the fail safe of power brick.
The utility model solves the technical scheme that its technical problem adopts: a kind of power brick with fire-retarding device, comprise power brick casing, fire-retarding device and battery, described fire-retarding device and battery are all positioned at described power brick casing, described fire-retarding device comprises sealing device and is wrapped in the fire retardant in described sealing device, and described sealing device can discharge fire retardant when being heated or extrude.
Be further used as the improvement of technical solutions of the utility model, described battery by series connection and/or parallel connection in groups.
Be further used as the improvement of technical solutions of the utility model, described battery has explosion-proof valve, and fire-retarding device is just arranged described explosion-proof valve.
Be further used as the improvement of technical solutions of the utility model, described fire-retarding device is centered around around battery.
Be further used as the improvement of technical solutions of the utility model, described sealing device comprises PE film sealing bag.
Be further used as the improvement of technical solutions of the utility model, described sealing device also comprises the porous bag wrapped in outside described PE film sealing bag, and described porous bag gathers some through holes, and the aperture of described through hole is 100nm-5mm.
Be further used as the improvement of technical solutions of the utility model, described porous bag is yarn fabric woven bag or PI plastic bag.
Be further used as the improvement of technical solutions of the utility model, described fire retardant is one or more in TDE, deca-BDE, fire retardant TBC, triphenyl phosphate, APP, antimonous oxide, magnesium hydroxide, aluminium hydroxide.
The beneficial effects of the utility model: the utility model arranges fire-retarding device in power brick casing, when battery pressure release in power brick casing or when catching fire, fire-retarding device is opened by temperature or pressure sensitive, fire retardant spreads or enters inside battery in power brick, thus effective fire extinguishing cooling, improve fail safe.Meanwhile, fire-retarding device is arranged on outside battery by the utility model, and fire retardant both can have been avoided to produce harmful effect to battery performance, can reduce again the performance requirement of fire retardant except fire-retardant, thus effectively reduce costs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model structural representation.
Embodiment
With reference to Fig. 1, that show the concrete structure of the preferred embodiment of the utility model.The design feature of each element of the utility model will be described in detail below, if and when being described to direction (upper and lower, left and right, before and after), be with the structure shown in Fig. 1 for reference describes, but actual user of the present utility model is to being not limited thereto.
The utility model provides a kind of power brick with fire-retarding device, comprises power brick casing 1, fire-retarding device 2 and battery 3, described battery 3 by series connection and/or parallel connection in groups.Described battery 3 has explosion-proof valve 31, and described fire-retarding device 2 and battery 3 are all positioned at described power brick casing 1, and fire-retarding device 2 preferred arrangement is: just arrange or be centered around battery 3 around to described explosion-proof valve 31.Described fire-retarding device 2 comprises sealing device and is wrapped in the fire retardant in described sealing device, and described sealing device can discharge fire retardant when being heated or extrude.
Described sealing device adopts double-layer packing structure, sealing device comprises PE film sealing bag and wraps in the porous bag outside described PE film sealing bag, and PE film sealing bag is thinner, mainly plays a part to seal fire retardant, cracking is easy to, release fire retardant at certain temperature or pressure; Described porous bag gathers some through holes, the aperture of described through hole is 100nm-5mm, porous bag is preferably the higher material of the heat resisting temperature such as yarn fabric woven bag or PI plastic bag, porous bag loose structure ensure that effective release of fire retardant, and its heat-proof combustion-resistant characteristic decreases the combustion-supporting drawback of packaging material.
Described fire retardant can be selected as one or more in TDE, deca-BDE, fire retardant TBC, triphenyl phosphate, APP, antimonous oxide, magnesium hydroxide, aluminium hydroxide, but is not limited to the above fire retardant.
The utility model arranges fire-retarding device 2 in power brick casing 1, when battery 3 pressure release in power brick casing 1 or when catching fire, fire-retarding device 2 is opened by temperature or pressure sensitive, and fire retardant spreads or enters inside battery in power brick, thus effective fire extinguishing cooling, improve fail safe.Meanwhile, fire-retarding device 2 is arranged on outside battery 3 by the utility model, and fire retardant both can have been avoided to produce harmful effect to battery performance, can reduce again the performance requirement of fire retardant except fire-retardant, thus effectively reduce costs.
Certainly, the invention is not limited to above-mentioned execution mode, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (8)
1. the power brick with fire-retarding device, it is characterized in that: comprise power brick casing, fire-retarding device and battery, described fire-retarding device and battery are all positioned at described power brick casing, described fire-retarding device comprises sealing device and is wrapped in the fire retardant in described sealing device, and described sealing device can discharge fire retardant when being heated or extrude.
2. the power brick with fire-retarding device according to claim 1, is characterized in that: described battery by series connection and/or parallel connection in groups.
3. the power brick with fire-retarding device according to claim 1 and 2, it is characterized in that: described battery has explosion-proof valve, fire-retarding device is just arranged described explosion-proof valve.
4. the power brick with fire-retarding device according to claim 1 and 2, is characterized in that: described fire-retarding device is centered around around battery.
5. the power brick with fire-retarding device according to claim 1 and 2, is characterized in that: described sealing device comprises PE film sealing bag.
6. the power brick with fire-retarding device according to claim 5, is characterized in that: described sealing device also comprises the porous bag wrapped in outside described PE film sealing bag, and described porous bag gathers some through holes, and the aperture of described through hole is 100nm-5mm.
7. the power brick with fire-retarding device according to claim 6, is characterized in that: described porous bag is yarn fabric woven bag or PI plastic bag.
8. the power brick with fire-retarding device according to claim 1 and 2, is characterized in that: described fire retardant is one or more in TDE, deca-BDE, fire retardant TBC, triphenyl phosphate, APP, antimonous oxide, magnesium hydroxide, aluminium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520704109.3U CN204946962U (en) | 2015-09-11 | 2015-09-11 | A kind of power brick with fire-retarding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520704109.3U CN204946962U (en) | 2015-09-11 | 2015-09-11 | A kind of power brick with fire-retarding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204946962U true CN204946962U (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520704109.3U Active CN204946962U (en) | 2015-09-11 | 2015-09-11 | A kind of power brick with fire-retarding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204946962U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453001A (en) * | 2017-07-12 | 2017-12-08 | 浙江谷神能源科技股份有限公司 | A kind of lithium battery fire-retarding device |
| CN108635700A (en) * | 2018-05-02 | 2018-10-12 | 蔚来汽车有限公司 | Security protection system and safety protecting method for electric charging station |
| CN108666453A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | A kind of fire-retardant wrapper and its lithium ion battery |
| CN108666465A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | A kind of fire-retardant wrapper and its lithium ion battery |
| CN113140863A (en) * | 2021-03-10 | 2021-07-20 | 浙江吉利控股集团有限公司 | Battery flame-retardant cover plate, lithium ion battery and vehicle |
| CN114944530A (en) * | 2022-06-30 | 2022-08-26 | 凤凰新能源(惠州)有限公司 | Flame-retardant and explosion-proof polymer lithium ion battery |
-
2015
- 2015-09-11 CN CN201520704109.3U patent/CN204946962U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666453A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | A kind of fire-retardant wrapper and its lithium ion battery |
| CN108666465A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | A kind of fire-retardant wrapper and its lithium ion battery |
| CN108666453B (en) * | 2017-03-31 | 2020-08-07 | 比亚迪股份有限公司 | Flame-retardant packaging bag and lithium ion battery comprising same |
| CN107453001A (en) * | 2017-07-12 | 2017-12-08 | 浙江谷神能源科技股份有限公司 | A kind of lithium battery fire-retarding device |
| CN108635700A (en) * | 2018-05-02 | 2018-10-12 | 蔚来汽车有限公司 | Security protection system and safety protecting method for electric charging station |
| CN108635700B (en) * | 2018-05-02 | 2021-05-25 | 蔚来(安徽)控股有限公司 | Safety protection system and safety protection method for charging and replacing power station |
| CN113140863A (en) * | 2021-03-10 | 2021-07-20 | 浙江吉利控股集团有限公司 | Battery flame-retardant cover plate, lithium ion battery and vehicle |
| CN114944530A (en) * | 2022-06-30 | 2022-08-26 | 凤凰新能源(惠州)有限公司 | Flame-retardant and explosion-proof polymer lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190326 Address after: 510000 No. 50 Xingui No. 2 Road, Science City, Huangpu District, Guangzhou City, Guangdong Province (self-declaration) Patentee after: Lithium Force Holding Company Ltd. Address before: 510000 Guangzhou High-tech Industrial Development Zone Science City, Guangdong Province, 11 Kaiyuan Avenue, Building A1, Fifth Floor Patentee before: Guangzhou Lithium Force Energy Technology Co., Ltd. |