CN107320871A - A kind of lithium ion battery case special gas extinguishing device and fire extinguishing implementation method - Google Patents
A kind of lithium ion battery case special gas extinguishing device and fire extinguishing implementation method Download PDFInfo
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- CN107320871A CN107320871A CN201710559915.XA CN201710559915A CN107320871A CN 107320871 A CN107320871 A CN 107320871A CN 201710559915 A CN201710559915 A CN 201710559915A CN 107320871 A CN107320871 A CN 107320871A
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 73
- 230000008033 biological extinction Effects 0.000 claims abstract description 29
- 239000000126 substance Substances 0.000 claims abstract description 24
- 239000003999 initiator Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims description 122
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims description 3
- 238000009501 film coating Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000001727 in vivo Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000977 initiatory effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- RMLFHPWPTXWZNJ-UHFFFAOYSA-N novec 1230 Chemical compound FC(F)(F)C(F)(F)C(=O)C(F)(C(F)(F)F)C(F)(F)F RMLFHPWPTXWZNJ-UHFFFAOYSA-N 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 239000000843 powder Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Manufacturing & Machinery (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention, which is set, is related to a kind of lithium ion battery case special gas extinguishing device and fire extinguishing implementation method, device includes extinction using gas agent container, level pressure relieving mechanism, air inlet locking device, aerogenesis driver, gas generating agent, initiator, fire detector, aerogenesis driver is inserted in foamite container, and connect initiator, level pressure relieving mechanism is arranged at the extinguishing chemical liberation port of foamite container, gas generating agent explodes under initiator initiation, heating, gas extinguishing agent is set to become gas by liquid, sprayed from level pressure relieving mechanism, fire extinguishing, have the technical effect that small volume, it is easy for installation, and, foamite container internal pressure is low under normal circumstances, safety, reliably, the very first time it can implement effective fire extinguishing to lithium ion battery case, noresidue after extinguishing chemical release, it is corrosion-free to damage, effectively suppress the extension of battery thermal runaway.
Description
Technical field
The present invention relates to a kind of extinguishing device, more particularly to a kind of lithium ion battery case special gas extinguishing device and go out
Fiery implementation method.
Background technology
In recent years, under the catalysis of policy, China's new-energy automobile industry hypergrowth, electrokinetic cell in the market
Enterprise is also in fast development.Lithium ion battery characteristic determines situations such as lithium battery spontaneous combustion, blast at this stage, and especially some are small
Battery production enterprise battery quality can not more ensure, to battery in itself, vehicle and personnel cause potential safety hazard.For lithium ion
Battery fire present situation, Some Enterprises also have developed the extinguishing device for lithium-ion electric Pool fire of putting out a fire to save life and property, and progressively in electric automobile lithium
Carry out applying exploratoryly on ion battery case.According to extinguishing device, practical situations and vehicle production are looked forward on electric automobile
Industry, field feedback, it is found that existing extinguishing device is primarily present following not enough and problem：One is aerosol, powder extinguishing agent
Belong to non-clean fire extinguishing agent, have residue after extinguishing chemical release, part extinguishing chemical can also cause certain corrosion to lithium battery
Damage；Two be condensed aerosol fire extinguishing device, dry powder extinguishing installation action after, hot-gas sol fire extinguishing agent, the powder extinguishing agent of release
Battery the temperature inside the box can not effectively be reduced, it is impossible to effectively suppress the development of battery thermal runaway and fire.
The content of the invention
In view of the problem of prior art is present, the invention provides a kind of lithium ion battery case special gas extinguishing device and
Fire extinguishing implementation method, concrete technical scheme is that a kind of lithium ion battery case special gas extinguishing device, including gas extinguishing agent hold
Device, level pressure relieving mechanism, air inlet locking device, aerogenesis driver, gas generating agent, initiator, fire detector and lithium ion battery
Case, it is characterised in that：The casing of extinction using gas agent container provided with extinguishing chemical fill mouth install openable air inlet locking device,
Level pressure relieving mechanism is installed provided with extinguishing chemical liberation port, aerogenesis driver stretches into the casing of extinction using gas agent container and seals solid
Due on casing, gassy extinguishing chemical in the casing of extinction using gas agent container.
Described aerogenesis driver includes the driving cavity equipped with gas generating agent, and the driving cavity bottom is installed provided with gas outlet
Constant pressure turn on mechanism, driving cavity upper end has pressure relief opening to set safety relief device, and one end of initiator is from driving cavity top end
Stretch into driving chamber body, the other end is connected outside the casing of extinction using gas agent container with electrical connector, set in driving chamber body
Filtering cooling device is equipped with, release feedback device is arranged on outside the casing of extinction using gas agent container and connected with the other end of initiator
Connect, the fire detector in electrical connector connection lithium ion battery case, by aluminium film coating technology, by aerogenesis driver
All parts and gas generating agent are coated completely.
Described level pressure relieving mechanism, including connecting tube, opening device and multi-port jet pipe, opening device include level pressure again
Diaphragm, pressure ring and locking member, level pressure diaphragm are fastened on extinguishing chemical liberation port by pressure ring and locking member, and connecting tube connection is opened
Opening device is simultaneously fixed on the casing of extinction using gas agent container, and multi-port jet pipe is connected with connecting tube and is fixed on lithium ion battery
In case.
Described fire detector, is integrated with temperature sensor, particle sensor, gas sensor, can detect lithium from
Gas concentration, flue gas particle, temperature rise and flare up fire in sub- battery case, it is arranged in lithium ion battery case and driven with aerogenesis
The electrical connector connection of dynamic device.
Described release feedback device is thermoswitch, and during aerogenesis driver aerogenesis, thermoswitch is by produced gas
Action, output contact signal.
Described filtering cooling device is the device built with heat absorbent.
Described constant pressure turn on mechanism is diaphragm, and its diaphragm bears pressure and released with the gases at high pressure setting produced by gas generating agent
Bleed off pressure that power is identical, when the high-pressure gas pressure produced by gas generating agent bears pressure equal to diaphragm, rupture of diaphragm, gas is discharged into gas
In the casing of body foamite container.
Described safety relief device is pressure release diaphragm, bears pressure to ensure the maximum pressure of aerogenesis driver safety,
When the high-pressure gas pressure produced by gas generating agent is too high, when bearing pressure more than or equal to pressure release diaphragm, pressure release rupture of diaphragm, gas
Body is discharged into the casing of extinction using gas agent container.
Fire extinguishing implementation method comprises the following steps, and 1. whether has fire letter in fire detector detection lithium ion battery case
Number, no fire signal, lithium ion battery case special gas extinguishing device attonity；There is fire signal, when fire detector detection
During to any of gas concentration, flue gas particle, temperature rise and the flare up fire in detection lithium ion battery case signal, fire is sent
Calamity pre-warning signal, when fire detector detects two or more signal in above-mentioned signal, sends fire alarm, connection
Initiator is acted in movable property gas driver；2. gas generating agent burns in the driving chamber body of aerogenesis driver, produces high temperature, high pressure gas
Body, high temperature, gases at high pressure enter in the casing of gas extinguishing agent container through filtering after cooling device absorbs heat.Meanwhile, release feedback
Device sends initiator action message to control centre；3. when high temperature, the temperature of gases at high pressure, pressure reach unlatching setting value
When, the level pressure rupture of diaphragm of opening device；4. gas extinguishing agent enter level pressure relieving mechanism connecting tube to multi-port jet pipe to
Sprayed in lithium ion battery case, complete fire extinguishing.
The beneficial effects of the invention are as follows, foamite container internal pressure is low under normal circumstances, small volume, moulding arbitrarily, energy
Enough very first times when the condition of a fire occurs in lithium ion battery case implement effective fire extinguishing to lithium ion battery case, will not after extinguishing chemical release
There is residue, certain corrosion and damage will not be caused to lithium ion battery, supervisor can grasp the dynamic of extinguishing device at any time
State, can be monitored and handle to the state of extinguishing device.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the present invention；
Fig. 2 is the schematic diagram that the present invention is installed on lithium ion battery case；
Fig. 3 is the step flow chart that the present invention realizes fire extinguishing.
Embodiment
As shown in Figure 1, 2, a kind of lithium ion battery case special gas extinguishing device, including extinction using gas agent container 1, level pressure
Set on relieving mechanism 3, air inlet locking device 4, aerogenesis driver 5, gas generating agent 6, initiator 7, the casing of extinction using gas agent container 1
There is extinguishing chemical to fill mouth openable air inlet locking device 4 is installed, level pressure relieving mechanism 3, production are installed provided with extinguishing chemical liberation port
Gas driver 5 is stretched into the casing of extinction using gas agent container 1 and is sealingly fastened on casing, the casing of extinction using gas agent container 1
Interior gassy extinguishing chemical 2.
Level pressure relieving mechanism 3, including connecting tube 301, opening device 302 and multi-port jet pipe 303, opening device 302 is again
Including level pressure diaphragm, pressure ring and locking member, level pressure diaphragm is fastened on extinguishing chemical liberation port by pressure ring and locking member, connection
Pipe 301 connects opening device 302 and is fixed on the casing of extinction using gas agent container 1, multi-port jet pipe 303 and connecting tube 301
Connect and be fixed in lithium ion battery case, multi-port jet pipe 303 is provided with several apertures, single hole diameter is 2mm, position of opening
For, the top of multi-port jet pipe 303 and side, interlaced arrangement two-by-two, the number of openings, size and location ensure that extinguishing chemical is uniformly distributed
Diverse location in battery case, reaches the effect of total flooding fire extinguishing, and multi-port jet pipe 303 can also be replaced using multiple nozzles.
Extinction using gas agent container 1 is arranged on outside battery case 9, and multi-port jet pipe 303 is stretched into battery case 9, and the gas goes out
The installation site of fiery agent container 1 is not limited to this, for example, can also be built in battery case 9.
Aerogenesis driver 5 includes the driving cavity 501 equipped with gas generating agent 6, and the bottom of driving cavity 501 is provided with gas outlet,
Constant pressure turn on mechanism 506 is fixed at the gas outlet；Driving cavity is stretched into one end of the initiator 7 from driving cavity 501 top
In 501, the other end of initiator 7 is connected with the other end with initiator 7 in vitro positioned at the outer container of extinction using gas agent container 1, described
Filtering cooling device 502 is additionally provided with driving cavity 501, was carried out by the gas of 502 pairs of generations of the filtering cooling device
Filter and cooling, except this, can also fully be absorbed heat in the driving built-in heat absorbent of cavity 501 using heat absorbent, the gas produced by reduction
The temperature of body.The maximum temperature of the gas of the gas outlet release of driving cavity 501 is not more than 100 DEG C, and aerogenesis pressure is 1.0MPa.
By aluminium film coating technology, part, gas generating agent 6 in cavity 501 etc. will be driven to be coated completely, make itself and gas extinguishing agent
2 are effectively isolated, and prevent extinguishing chemical corrosion the driving inner part of cavity 501 and gas generating agent 6 etc., and driving cavity 501 is additionally provided with pressure relief opening,
Safety relief device 503 is provided with the pressure relief opening, release feedback device 505 is arranged on outside the casing of extinction using gas agent container 1
And be connected with the other end of initiating device 7, linkage release feedback device 505 is acted during aerogenesis 5 aerogenesis of driver, makes its output anti-
Feedback signal, release feedback device 505 is thermoswitch, and the operating temperature of the thermoswitch is 120 DEG C, and aerogenesis driver 5 is acted
High pressure, high-temperature gas are produced afterwards, thermoswitch is acted under high-temperature gas effect, output contact signal represents that extinguishing chemical is normal
Release.
The fire detector 8 is integrated with temperature sensor, particle sensor, gas sensor etc., can detect lithium from
Gas concentration, flue gas particle, temperature rise and flare up fire in sub- battery case 9, it is arranged in lithium ion battery case 9.
As shown in figure 3, when fire detector 8 detects the one of which signal in above-mentioned signal, sending fire alarm
Signal；When fire detector 8 detects two or more signal in above-mentioned signal, fire alarm is sent, linkage is drawn
Hair device 7 is acted, and release feedback device 505 is provided with the extinction using gas agent container 1, the release feedback device 505 is with triggering
Device 7 is all connected with the electrical connector 504, is connected by electrical connector 504 with remote monitoring device, is visited in fire detector 8
When measuring the condition of a fire, initiator 7 is triggered.
Embodiment,
Extinction using gas agent container 1 is in rectangular parallelepiped structure, is welded by upper and lower two housing sections, aerogenesis driver 5 is fixed on
Portion's case inside, the lower case of extinction using gas agent container 1 fills mouth and extinguishing chemical liberation port provided with extinguishing chemical.Gas extinguishing agent
Setting for container 1 pushes up constant-pressure as 1.5MPa, and Novec1230 gas extinguishing agents 2 fill mouth by the extinguishing chemical and filled, and fill
Sealed after dress with openable sealed air inlet locking device 4.The operating temperature range of Novec1230 gas extinguishing agents 2 is -40
DEG C~120 DEG C, pressure is the saturated vapour pressure of Novec1230 gas extinguishing agents 2 in extinction using gas agent container 1, at 20 DEG C
The saturated vapour pressure of Novec1230 gas extinguishing agents 2 is about 0MPa, 49 DEG C of the boiling temperature of Novec1230 gas extinguishing agents 2,
- 108 DEG C of freezing point temperature, therefore during -40 DEG C of low temperature, Novec1230 extinguishing chemicals will not solidify, gas generating agent 6 is neutral inorganic
The mixture of salt, active metal powder, stabilization agent etc..
The profile of aerogenesis driver 5 is cylinder, when initiating device 7 is triggered, and drives the aerogenesis in driving cavity 501
The burning of agent 6 produces gases at high pressure, and high temperature, gases at high pressure enter gas extinguishing agent container 1 through filtering after cooling device 502 absorbs heat
In casing, meanwhile, release feedback device 505 sends the action message of initiator 7 to control centre；When the pressure of high temperature, gases at high pressure
When power reaches unlatching setting value 1.0MPa, the level pressure rupture of diaphragm of opening device 302；Novec1230 gas extinguishing agents 2 enter fixed
The connecting tube 301 of pressure relieving mechanism 3 is sprayed to multi-port jet pipe 303 into lithium ion battery case, completes fire extinguishing, reaches and put out lithium
The purpose of fire in ion battery case 9.
Above-described embodiment is only used for further illustrating a kind of lithium ion battery case special gas extinguishing device of the present invention, but
The invention is not limited in embodiment, what every technical spirit according to the present invention was made to above example any simply repaiies
Change, equivalent variations and modification, each fall within the protection domain of technical solution of the present invention.
Claims (9)
1. a kind of lithium ion battery case special gas extinguishing device, including extinction using gas agent container（1）, level pressure relieving mechanism（3）、
Air inlet locking device（4）, aerogenesis driver（5）, gas generating agent（6）, initiator（7）, fire detector（8）And lithium ion battery case
（9）, it is characterised in that：Extinction using gas agent container（1）Casing provided with extinguishing chemical fill mouth install it is openable enter gas locked
Device（4）, provided with extinguishing chemical liberation port install level pressure relieving mechanism（3）, aerogenesis driver（5）Stretch into extinction using gas agent container
（1）Casing in and be sealingly fastened on casing, extinction using gas agent container（1）Casing in gassy extinguishing chemical（2）.
2. a kind of lithium ion battery case special gas extinguishing device as claimed in claim 1, it is characterised in that：Described aerogenesis
Driver（5）Including equipped with gas generating agent（6）Driving cavity（501）, the driving cavity（501）Install fixed provided with gas outlet in bottom
Press opener（506）, drive cavity（501）Upper end has pressure relief opening to set safety relief device（503）, initiator（7）One
Hold from driving cavity（501）Driving cavity is stretched on top（501）The interior, other end is located at extinction using gas agent container（1）Casing outside
With electrical connector（504）Connection, drives cavity（501）Inside it is provided with filtering cooling device（502）, discharge feedback device
（505）Installed in extinction using gas agent container（1）Casing outside and and initiator（7）The other end connection, electrical connector（504）
Connect lithium ion battery case（9）Interior fire detector（8）, by aluminium film coating technology, by aerogenesis driver（5）Interior is all
Part and gas generating agent（6）Coated completely.
3. a kind of lithium ion battery case special gas extinguishing device as claimed in claim 1, it is characterised in that：Described level pressure
Relieving mechanism（3）, including connecting tube（301）, opening device（302）And multi-port jet pipe（303）, opening device（302）Wrap again
Level pressure diaphragm, pressure ring and locking member are included, level pressure diaphragm is fastened on extinguishing chemical liberation port, connecting tube by pressure ring and locking member
（301）Connect opening device（302）And it is fixed on extinction using gas agent container（1）Casing on, multi-port jet pipe（303）With being connected
Pipe（301）Connect and be fixed in lithium ion battery case.
4. a kind of lithium ion battery case special gas extinguishing device as claimed in claim 1, it is characterised in that：Described fire
Detector（8）, temperature sensor, particle sensor, gas sensor are integrated with, lithium ion battery case can be detected（9）Interior
Gas concentration, flue gas particle, temperature rise and flare up fire, it is arranged at lithium ion battery case（9）It is interior and with aerogenesis driver（5）'s
Electrical connector（504）Connection.
5. a kind of lithium ion battery case special gas extinguishing device as claimed in claim 1, it is characterised in that：Described release
Feedback device（505）For thermoswitch, the aerogenesis driver（5）During aerogenesis, thermoswitch is acted on dynamic by produced gas
Make, output contact signal.
6. a kind of lithium ion battery case special gas extinguishing device as claimed in claim 1 or 2, it is characterised in that：Described
Filter cooling device（502）For the device built with heat absorbent.
7. a kind of lithium ion battery case special gas extinguishing device as claimed in claim 1 or 2, it is characterised in that：Described
Constant pressure turn on mechanism（506）For diaphragm, its diaphragm bears pressure and gas generating agent（6）Unlatching setting value it is identical, work as gas generating agent（6）
When produced high-pressure gas pressure bears pressure equal to diaphragm, rupture of diaphragm, gas is discharged into extinction using gas agent container（1）Case
In vivo.
8. a kind of lithium ion battery case special gas extinguishing device as claimed in claim 1 or 2, it is characterised in that：Described
Safety relief device（503）For pressure release diaphragm, pressure and gas generating agent are born（6）Pressure release setting value is identical, works as gas generating agent（6）Produced
Raw high-pressure gas pressure is too high, when bearing pressure more than or equal to pressure release diaphragm, and pressure release rupture of diaphragm, gas is discharged into extinction using gas
Agent container（1）Casing in.
9. using a kind of lithium ion battery case special gas described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8
The fire extinguishing implementation method of extinguishing device, it is characterised in that：Implementation method comprises the following steps,
1. fire detector（8）Detect lithium ion battery case（9）Inside whether there are fire signal, nothing, lithium ion battery case special gas
Body extinguishing device attonity；Have, work as fire detector（8）Detect detection lithium ion battery case（9）Interior gas concentration, flue gas
During any of particle, temperature rise and flare up fire signal, fire alarm signal is sent, works as fire detector（8）Detect
When stating two or more signal in signal, fire alarm is sent, link aerogenesis driver（5）Middle initiator（7）Action；
2. gas generating agent（6）In aerogenesis driver（5）Driving cavity（501）Interior burning, produces high temperature, gases at high pressure, high temperature, height
Body is calmed the anger through filtering cooling device（502）Enter gas extinguishing agent container after heat absorption（1）Casing in, meanwhile, release feedback dress
Put（505）Initiator is sent to control centre（7）Action message；
3. when high temperature, the temperature of gases at high pressure, pressure reach unlatching setting value, opening device（302）Level pressure rupture of diaphragm；
4. gas extinguishing agent（2）Into level pressure relieving mechanism（3）Connecting tube（301）To multi-port jet pipe（303）To lithium ion
Sprayed in battery case, complete fire extinguishing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710559915.XA CN107320871A (en) | 2017-07-11 | 2017-07-11 | A kind of lithium ion battery case special gas extinguishing device and fire extinguishing implementation method |
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| CN201710559915.XA CN107320871A (en) | 2017-07-11 | 2017-07-11 | A kind of lithium ion battery case special gas extinguishing device and fire extinguishing implementation method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961464A (en) * | 2017-12-15 | 2018-04-27 | 安徽中科中涣防务装备技术有限公司 | A kind of extinguishing device of temperature and pressure release |
| CN109065984A (en) * | 2018-08-13 | 2018-12-21 | 上海纳晓能源科技有限公司 | The safety charging device of battery |
| CN109939388A (en) * | 2019-04-03 | 2019-06-28 | 应急管理部天津消防研究所 | A kind of automobile extinguishing device and implementation method |
| CN111359118A (en) * | 2020-04-14 | 2020-07-03 | 杭州中传消防设备有限公司 | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire |
| CN111632326A (en) * | 2020-06-10 | 2020-09-08 | 湖北航天化学技术研究所 | Thermal runaway detection device and application thereof |
| CN113577621A (en) * | 2021-07-29 | 2021-11-02 | 世纪联保消防新技术(江西)有限公司 | Starting device and fire extinguishing apparatus |
| CN114633646A (en) * | 2022-02-24 | 2022-06-17 | 国网山东省电力公司泰安供电公司 | Charger, and automatic fire extinguishing method and system thereof |
| WO2023024040A1 (en) * | 2021-08-26 | 2023-03-02 | 华为数字能源技术有限公司 | Firefighting device, battery pack, energy storage system, and electric vehicle |
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| CN109065984A (en) * | 2018-08-13 | 2018-12-21 | 上海纳晓能源科技有限公司 | The safety charging device of battery |
| CN109939388A (en) * | 2019-04-03 | 2019-06-28 | 应急管理部天津消防研究所 | A kind of automobile extinguishing device and implementation method |
| CN111359118A (en) * | 2020-04-14 | 2020-07-03 | 杭州中传消防设备有限公司 | Non-pressure-storage type automatic fire extinguishing device for lithium battery fire |
| CN111632326A (en) * | 2020-06-10 | 2020-09-08 | 湖北航天化学技术研究所 | Thermal runaway detection device and application thereof |
| CN113577621A (en) * | 2021-07-29 | 2021-11-02 | 世纪联保消防新技术(江西)有限公司 | Starting device and fire extinguishing apparatus |
| CN113577621B (en) * | 2021-07-29 | 2024-03-19 | 北京世纪联保新能源科技有限公司 | Starting device and fire extinguishing apparatus |
| WO2023024040A1 (en) * | 2021-08-26 | 2023-03-02 | 华为数字能源技术有限公司 | Firefighting device, battery pack, energy storage system, and electric vehicle |
| CN116075339A (en) * | 2021-08-26 | 2023-05-05 | 华为数字能源技术有限公司 | Fire-fighting equipment, battery pack, energy storage system and electric automobile |
| CN114633646A (en) * | 2022-02-24 | 2022-06-17 | 国网山东省电力公司泰安供电公司 | Charger, and automatic fire extinguishing method and system thereof |
| CN114633646B (en) * | 2022-02-24 | 2024-05-10 | 国网山东省电力公司泰安供电公司 | Charger, automatic fire extinguishing method and system for charger |
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Address after: 300110 No.110, Weijin South Road, Nankai District, Tianjin Applicant after: TIANJIN FIRE Research Institute OF MEM Address before: 300381 No. 110 South Jin Wei Road, Tianjin, Nankai District Applicant before: TIANJIN FIRE Research Institute |
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