CN109224344A - A kind of extinguishing device - Google Patents
A kind of extinguishing device Download PDFInfo
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- CN109224344A CN109224344A CN201810846106.1A CN201810846106A CN109224344A CN 109224344 A CN109224344 A CN 109224344A CN 201810846106 A CN201810846106 A CN 201810846106A CN 109224344 A CN109224344 A CN 109224344A
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- extinguishing chemical
- extinguishing
- fire behavior
- fire
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- Health & Medical Sciences (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire Alarms (AREA)
Abstract
The present invention provides a kind of extinguishing devices, comprising: extinguishing chemical storage tank, extinguishing chemical spray head, smoke detection alarm, gas detector, data processor and controller.Extinguishing device provided by the invention, the intracorporal Real-time Smoke concentration of battery case, gas componant and the concentration data obtained by smoke detection alarm and gas detector, by data processor, each data carry out grade separation to fire behavior based on the received, by controller for the position of different fire behavior grade and the battery module that fire occurs, after extinguishing chemical spray head is positioned to the battery module that fire behavior occurs, release flow and release time that flow regulator adjusts extinguishing chemical are controlled, with the best extinguishing chemical release flow of determination and configuration amount.Quick extinguishing is not only realized, fire-fighting efficiency is substantially increased, can also save extinguishing chemical usage amount to the maximum extent, reduces influence of the fire to battery energy storage system to the maximum extent.
Description
Technical field
The present invention relates to lithium battery technical field of safety protection, in particular to a kind of extinguishing device.
Background technique
Lithium ion battery has many advantages, such as that specific capacity is big, operating voltage is high, has extended cycle life, is small in size, is light-weight, application
In more scene.In energy-storage system, the power battery of power supply requires biggish capacity and voltage, needs multiple monomers
Cell apparatus reaches wanting for energy storage in forming battery pack by series and parallel in battery case and constitute energy storage mould group together with management system
It asks.Multiple energy storage mould groups form large-scale energy storage system by series and parallel form.
The battery variety that lithium battery energy storage battery mould group uses at present be not limited solely to ferric phosphate lithium cell, lithium titanate battery and
Ternary lithium battery, retired ferric phosphate lithium cell, retired ternary lithium battery future are likely to be applied in energy-storage system.Lithium battery
Risk increased with the raising of battery energy density, current large-scale energy storage system, such as container-type energy storage system
System uses the design for fire protection of building, smoke detection alarm and extinguishing chemical spray head is disposed on container top, when generation fire
When, extinguishing chemical is full of entire container space, this greatly reduces fire-fighting efficiency, is likely to result in the sprawling of fire.
Summary of the invention
In consideration of it, the invention proposes a kind of extinguishing devices, it is intended to solve the extinguishing device extinguishing chemical of existing energy-storage system
Usage amount is big, the low problem of fire-fighting efficiency.
On one side, the invention proposes a kind of extinguishing devices, comprising: extinguishing chemical storage tank, extinguishing chemical spray head, smoke detection
Alarm, gas detector, data processor and controller；Wherein, the extinguishing chemical storage tank is arranged outside Battery case, institute
Extinguishing chemical spray head is stated to be slidably attached on the inner wall of Battery case；The smoke detection alarm and the gas detector
It is arranged at the exhaust outlet or heat dissipation air port of the Battery case, it is dense for obtaining smog inside the Battery case respectively
Degree evidence and gas concentration data；The outer wall of the Battery case is arranged in the data processor, and respectively with the smog
Detecting alarm, gas detector connection and battery management system are connected, for receiving the smokescope data, institute
The number and temperature information of gas concentration data and each battery module are stated, and dense according to the smokescope data, the gas
The number and temperature information of degree evidence and each battery module carry out the information for being classified and determining kindling battery module to current fire behavior
Corresponding signal is sent to the controller afterwards；It is the controller and the extinguishing chemical storage tank, the extinguishing chemical spray head, described
Smoke detection alarm, the gas detector and the data processor are all connected with, for controlling the smoke detection alarm
Device and the gas detector acquire smokescope data and gas concentration data respectively, and are receiving the data processor
Feedback signal after, positioning fire location simultaneously control the extinguishing chemical storage tank to the extinguishing chemical spray head export extinguishing chemical, and
The extinguishing chemical spray head is controlled to be moved to extinguishing chemical behind the top of the kindling battery module with default injection flow and default
Attack time is sprayed to the kindling battery module.
Further, in above-mentioned extinguishing device, the extinguishing chemical spray head is installed on the Battery case by carriage
The inner wall of top cover.
Further, in above-mentioned extinguishing device, continuous bending track, institute are offered on the inner wall of the Battery case top cover
Continuous bending track is stated to enable the extinguishing chemical spray head to be moved to the top of any battery module.
Further, in above-mentioned extinguishing device, the exit of the extinguishing chemical storage tank is provided with flow regulator, the stream
Amount adjuster is connected with the data processor, for going out according to the adjusting of the fire behavior grade of the data processor for analysis
The injection flow and attack time of fiery agent.
Further, in above-mentioned extinguishing device, the minimum value point of the smokescope data and the gas concentration data
Not Wei the smoke detection alarm and the gas detector accurate detection limit.
Further, in above-mentioned extinguishing device, with C1Smokescope data are calculated as, with C01It is calculated as smoke detection alarm
Accurate detection limit；With C2Gas concentration data are calculated as, with C02It is calculated as the accurate detection limit of gas detector；Work as C01<C1≤
200C01, C02<C2≤200C02When, fire behavior grade is 1 grade；Work as 200C01<C1≤400C01, 200C02<C2≤400C02When, fire behavior
Grade is 2 grades；Work as 400C01<C1≤600C01, 400C02<C2≤600C02When, fire behavior grade is 3 grades；Work as 600C01<C1≤
800C01, 600C02<C2≤800C02When, fire behavior grade is 4 grades；Work as 800C01<C1≤1000C01, 800C02<C2≤1000C02When,
Fire behavior grade is 5 grades；Work as 1000C01<C1, 1000C02<C2When, fire behavior grade is 6 grades.
Further, in above-mentioned extinguishing device, the relationship of the default injection flow and fire behavior grade is q=aL, in which:
Q is injection flow, unit mL/s；A is the constant between 0.5~20；L is fire behavior grade, and value is in 1~6
Any integer.
Further, in above-mentioned extinguishing device, the relationship of the default attack time and fire behavior grade is t=bL, in which:
T is attack time, unit s；B is the constant between 5~50；L is fire behavior grade, and value is any whole in 1~6
Number.
Further, in above-mentioned extinguishing device, the gaseous species of the gas detector detection include: hydrogen fluoride, an oxygen
Change carbon, sulfur dioxide and hydrogen cyanide.
Further, in above-mentioned extinguishing device, the extinguishing chemical in the extinguishing chemical storage tank includes dry ice, heptafluoro-propane, and ten
Two fluoro- 2- methyl-one or more of propione and aerosol.
Compared with prior art, the beneficial effects of the present invention are extinguishing device provided by the invention passes through smoke detection
The intracorporal Real-time Smoke concentration of battery case, gas componant and the concentration data that alarm and gas detector obtain, pass through data
Each data carry out grade separation to fire behavior to processor based on the received, and for different fire behavior grades and fire occurs by controller
The position of the battery module of calamity after positioning extinguishing chemical spray head to the battery module that fire behavior occurs, controls flow regulator
Release flow and the release time of extinguishing chemical are adjusted, with the best extinguishing chemical release flow of determination and configuration amount.It not only realizes fast
Speed fire extinguishing, substantially increases fire-fighting efficiency, can also save extinguishing chemical usage amount to the maximum extent, reduce fire to the maximum extent
Influence to battery energy storage system.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of extinguishing device provided in an embodiment of the present invention；
Fig. 2 is the top view on the inside of the Battery case top cover in the embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Refering to fig. 1, the extinguishing device of the embodiment of the present invention includes: extinguishing chemical storage tank 1, extinguishing chemical spray head 4, smoke detection report
Alert device 2, gas detector 3, data processor (not shown) and controller (not shown)；Wherein, the extinguishing chemical
Storage tank 1 is arranged outside Battery case 6, and the extinguishing chemical spray head 4 is slidably attached on the inner wall of Battery case 6；It is described
Smoke detection alarm 2 and the gas detector 3 are arranged at the exhaust outlet or heat dissipation air port of the Battery case 6, are used
In obtaining smokescope data and gas concentration data inside the Battery case 6 respectively；The data processor setting exists
The outer wall of the Battery case 6, and respectively with the smoke detection alarm 2, the gas detector 3 is connect and battery management
System (not shown) is connected, for receiving the smokescope data, the gas concentration data and each battery module
Number and temperature information, and according to the smokescope data, the number of the gas concentration data and each battery module and
Temperature information be classified to current fire behavior and corresponding signal is sent to the control after the information of determining kindling battery module
Device processed；The controller and the extinguishing chemical storage tank 1, the extinguishing chemical spray head 4, the smoke detection alarm 2, the gas
Detector 3 and the data processor are all connected with, and are divided for controlling the smoke detection alarm 2 and the gas detector 3
Not Cai Ji smokescope data and gas concentration data position and after the feedback signal for receiving the data processor
Fiery position simultaneously controls the extinguishing chemical storage tank 1 to the extinguishing chemical spray head 4 output extinguishing chemical, and the control extinguishing chemical spray head
4 are moved to behind the top of the kindling battery module and are sprayed extinguishing chemical to described with default injection flow and default attack time
Catch fire battery module.
Specifically, extinguishing chemical storage tank 1 can be the liquid storage or gas storage cylinder of dual-end, liquid storage steel cylinder or gas storage are selected
Steel cylinder needs to be determined according to the type of extinguishing chemical, and the specification of extinguishing chemical storage tank 1 can be determined according to the actual situation,
Such as the steel cylinder of 5L can be selected.In actual use, extinguishing chemical storage tank 1 can be suspended on outside Battery case 6 by adjustable support
Then portion is connected to the entrance that 6 top of Battery case or side open up by extinguishing chemical injection pipe, by extinguishing chemical
It sprays to the intracorporal kindling battery module of battery case.In order to guarantee safety, the extinguishing chemical reserves in extinguishing chemical storage tank 1, which are no more than, to go out
The 80% of fiery agent storage bottle volume.For example, when selecting the extinguishing chemical storage bottle of 5L, wherein the extinguishing chemical volume accommodated can be 3L,
I.e. the volume ratio of extinguishing chemical and extinguishing chemical storage bottle is 60%.In the present embodiment, the extinguishing chemical in extinguishing chemical storage tank includes dry ice, seven
Fluoro-propane, 12 fluoro- 2- methyl-one or more of propione (Novec1230) and aerosol.
Continuous bending track 7 is offered on the inner wall of 6 top cover of Battery case, the continuous bending track 7 is described to make
Extinguishing chemical spray head 4 can be moved to the top of any battery module.Continuous bending track can be by multiple lateral rectilinear orbits
It is formed by connecting through several vertical tracks.Such as track shown in Fig. 2, by 5 parallel lateral rectilinear orbits and it is connected to
The vertical lines track of the whole story section of every two track forms.Certainly, in the embodiment of the present invention, the shape of continuous orbit is not made
It limits, extinguishing chemical spray head 4 can be made to be moved along it to the top of any battery module.Result of the present embodiment to carriage
Also it is not limited in any way, such as can be the sliding block that any one is matched with the continuous orbit, be provided with extinguishing chemical on sliding block
The connecting hole that spray head is connected.
Namely: extinguishing chemical spray head 4 can be matched by the continuous bending track on the inner wall of carriage and Battery case
It closes, so that extinguishing chemical spray head may slide into the top of any battery module in Battery case, convenient for targetedly to kindling
Battery is put out a fire.
In order to enable being in water mists shape and the battery module that each orientation in Battery case can be covered after extinguishing chemical ejection, reach
To best extinguishing effect, atomizer can be selected as extinguishing chemical spray head.
Smoke detection alarm 2 can be placed at the exhaust outlet or thermovent of Battery case 6, to occur in battery module
When case of fire, promptly and accurately detect the intracorporal smokescope of battery case.The minimum value of smokescope data is smog spy
The accurate detection limit of alarm is surveyed, with C1Smokescope data are calculated as, with C01It is calculated as the accurate detection limit of smoke detection alarm.
Gas detector 3 can also be placed at the exhaust outlet or thermovent of Battery case 6, to occur in battery module
When fire behavior condition, promptly and accurately detect the intracorporal gas concentration of battery case.Wherein, the gas kind that gas detector can detect
Class includes: hydrogen fluoride, carbon monoxide, sulfur dioxide and hydrogen cyanide.The minimum value of gas concentration data is the essence of gas detector
Really detection limit.With C2Gas concentration data are calculated as, with C02It is calculated as the accurate detection limit of gas detector.
Data processor can be any one processor in the prior art, can receive the smog of smoke detection alarm 2
The number and temperature information of concentration data, the gas concentration data of gas detector 3 and each battery module, and according to preset item
Part classifies to fire behavior grade, and the battery that fire behavior occurs is determined to the temperature data of the battery monitored according to battery management system
The number of module.It should be noted that data processor needs while receiving the number of smoke alarm 2 and gas detector 3
Fire condition could be classified after.
Specifically, data processor judges that the condition of fire behavior grade is as follows: working as C01<C1≤200C01, C02<C2≤200C02
When, fire behavior grade is 1 grade；Work as 200C01<C1≤400C01, 200C02<C2≤400C02When, fire behavior grade is 2 grades；Work as 400C01<
C1≤600C01, 400C02<C2≤600C02When, fire behavior grade is 3 grades；Work as 600C01<C1≤800C01, 600C02<C2≤800C02
When, fire behavior grade is 4 grades；Work as 800C01<C1≤1000C01, 800C02<C2≤1000C02When, fire behavior grade is 5 grades；When
1000C01<C1, 1000C02<C2When, fire behavior grade is 6 grades.
In the present embodiment, the exit of extinguishing chemical storage tank 1 is provided with flow regulator 5, the flow regulator 5 with it is described
Data processor is connected, and the injection flow of the extinguishing chemical is adjusted for the fire behavior grade according to the data processor for analysis
And attack time.
Specifically, the relationship of the default injection flow and fire behavior grade is q=aL, in which: q is injection flow, unit
For mL/s；A is the constant between 0.5~20；L is fire behavior grade, and value is any integer in 1~6.It is described default
The relationship of attack time and fire behavior grade is t=bL, in which: t is attack time, unit s；B is normal between 5~50
Number；L is fire behavior grade, and value is any integer in 1~6.That is, determining taking for L after fire behavior is classified and determines
Value, according to corresponding constant, the value of a, b can be calculated under corresponding fire behavior grade, be needed for the configuration of extinguishing chemical storage tank 1
Injection flow and attack time.
It should be noted that the value of a, b can by the fire-extinguishing test situation of battery cell or the battery pack of multiple groups parallel connection into
Row determines, such as the battery module of 5 groups of battery pack compositions in parallel can be selected to carry out fire-extinguishing test, is fitted by data, really
Determine the value of a, b.
Controller may include data reception module and signal transmitting module, the fire sent by receiving data processing module
The number information etc. of feelings grade and corresponding kindling battery, has good positioning and the battery module of fire behavior occurs, so that extinguishing chemical spray head moves
It moves to the top of kindling battery module, then sends open command to extinguishing chemical storage tank, and controlled and put out a fire by flow regulator
Agent storage tank is with preset injection flow and attack time to the battery module spray fire extinguishing agent that fire occurs.
It is above-mentioned obviously it can be concluded that, the extinguishing device provided in the present embodiment passes through smoke detection alarm and gas and visits
The intracorporal Real-time Smoke concentration of battery case, gas componant and concentration data that device obtains are surveyed, by data processor according to reception
Each data grade separation is carried out to fire behavior, by controller for different fire behavior grade and the battery module that fire occurs
Position, after extinguishing chemical spray head is positioned to the battery module that fire behavior occurs, control flow regulator adjusts releasing for extinguishing chemical
The amount of releasing and release time, with the best extinguishing chemical release flow of determination and configuration amount.Quick extinguishing is not only realized, is greatly improved
Fire-fighting efficiency, can also save extinguishing chemical usage amount to the maximum extent, reduce fire to the maximum extent to battery energy storage system
Influence.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of extinguishing device characterized by comprising extinguishing chemical storage tank, extinguishing chemical spray head, smoke detection alarm, gas
Detector, data processor and controller；Wherein,
The extinguishing chemical storage tank is arranged outside Battery case, and the extinguishing chemical spray head is slidably attached at the interior of Battery case
On wall；
The smoke detection alarm and the gas detector are arranged at exhaust outlet or the heat dissipation air port of the Battery case
Place, for obtaining smokescope data and gas concentration data inside the Battery case respectively；
The outer wall of the Battery case is arranged in the data processor, and respectively with the smoke detection alarm, the gas
Bulk detector connection and battery management system be connected, for receive the smokescope data, the gas concentration data and
The number and temperature information of each battery module, and according to the smokescope data, the gas concentration data and each battery mould
The number and temperature information of block be classified to current fire behavior and send out corresponding signal after the information of determining kindling battery module
It send to the controller；
The controller and the extinguishing chemical storage tank, the extinguishing chemical spray head, the smoke detection alarm, the detection of gas
Device and the data processor are all connected with, and acquire cigarette respectively for controlling the smoke detection alarm and the gas detector
Mist concentration data and gas concentration data, and after the feedback signal for receiving the data processor, positioning fire location is simultaneously
Control the extinguishing chemical storage tank and export extinguishing chemical to the extinguishing chemical spray head, and the control extinguishing chemical spray head be moved to it is described
Extinguishing chemical is sprayed with default injection flow and default attack time to the kindling battery mould behind the top of kindling battery module
Block.
2. extinguishing device according to claim 1, which is characterized in that the extinguishing chemical spray head is installed on by carriage
The inner wall of the Battery case top cover.
3. extinguishing device according to claim 1 or 2, which is characterized in that opened up on the inner wall of the Battery case top cover
There is continuous bending track, the continuous bending track is to enable the extinguishing chemical spray head to be moved to any battery module
Top.
4. extinguishing device according to claim 1 or 2, which is characterized in that the exit of the extinguishing chemical storage tank is provided with
Flow regulator, the flow regulator are connected with the data processor, for according to the data processor for analysis
Fire behavior grade adjusts the injection flow and attack time of the extinguishing chemical.
5. extinguishing device according to claim 1 or 2, which is characterized in that the smokescope data and the gas are dense
The minimum value of degree evidence is respectively the accurate detection limit of the smoke detection alarm and the gas detector.
6. extinguishing device according to claim 5, which is characterized in that with C1Smokescope data are calculated as, with C01It is calculated as cigarette
The accurate detection of mist detecting alarm limits；With C2Gas concentration data are calculated as, with C02It is calculated as the accurate detection limit of gas detector；
Work as C01<C1≤200C01, C02<C2≤200C02When, fire behavior grade is 1 grade；Work as 200C01<C1≤400C01, 200C02<C2≤
400C02When, fire behavior grade is 2 grades；Work as 400C01<C1≤600C01, 400C02<C2≤600C02When, fire behavior grade is 3 grades；When
600C01<C1≤800C01, 600C02<C2≤800C02When, fire behavior grade is 4 grades；Work as 800C01<C1≤1000C01, 800C02<C2
≤1000C02When, fire behavior grade is 5 grades；Work as 1000C01<C1, 1000C02<C2When, fire behavior grade is 6 grades.
7. extinguishing device according to claim 6, which is characterized in that the relationship of the default injection flow and fire behavior grade
For q=aL, in which: q is injection flow, unit mL/s；A is the constant between 0.5~20；L is fire behavior grade, is taken
Value is any integer in 1~6.
8. extinguishing device according to claim 6, which is characterized in that the relationship of the default attack time and fire behavior grade
For t=bL, in which: t is attack time, unit s；B is the constant between 5~50；L is fire behavior grade, value 1
Any integer in~6.
9. extinguishing device according to claim 1 or 2, which is characterized in that the gaseous species of the gas detector detection
It include: hydrogen fluoride, carbon monoxide, sulfur dioxide and hydrogen cyanide.
10. extinguishing device according to claim 1 or 2, which is characterized in that the extinguishing chemical in the extinguishing chemical storage tank includes
Dry ice, heptafluoro-propane, 12 fluoro- 2- methyl-one or more of propione and aerosol.
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| CN201810846106.1A CN109224344A (en) | 2018-07-27 | 2018-07-27 | A kind of extinguishing device |
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|---|---|---|---|
| CN201810846106.1A CN109224344A (en) | 2018-07-27 | 2018-07-27 | A kind of extinguishing device |
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| CN115427116B (en) * | 2020-02-22 | 2024-04-12 | 水穹顶有限公司 | Community outdoor fire protection |
| CN115427116A (en) * | 2020-02-22 | 2022-12-02 | 水穹顶有限公司 | Community outdoor fire prevention |
| CN111467714A (en) * | 2020-03-24 | 2020-07-31 | 中国电力科学研究院有限公司 | Method and system for extinguishing fire of electrochemical energy storage system |
| CN111569308A (en) * | 2020-05-06 | 2020-08-25 | 上海融和元储能源有限公司 | Energy storage container fire extinguishing system |
| CN112023300B (en) * | 2020-09-01 | 2022-01-04 | 广州通达汽车电气股份有限公司 | Power battery fire extinguishing system and fire extinguishing method |
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| CN112402840A (en) * | 2020-11-13 | 2021-02-26 | 重庆金康动力新能源有限公司 | Fire extinguishing control method for battery pack |
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| CN113289289A (en) * | 2021-07-07 | 2021-08-24 | 傲普(上海)新能源有限公司 | Battery pack cleaning fire-fighting device and fire-fighting method thereof |
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| CN113750401A (en) * | 2021-08-13 | 2021-12-07 | 王守久 | Battery system |
| CN113663250A (en) * | 2021-08-19 | 2021-11-19 | 厦门海辰新能源科技有限公司 | Fire control method and device of energy storage system and energy storage system |
| CN113947860A (en) * | 2021-10-16 | 2022-01-18 | 远景能源有限公司 | Fire detection method and device and fire detector |
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| CN114984488A (en) * | 2022-06-21 | 2022-09-02 | 中国电力科学研究院有限公司 | Automatic fire extinguishing method and system for energy storage battery module |
| CN115105772A (en) * | 2022-06-21 | 2022-09-27 | 中国电力科学研究院有限公司 | Automatic fire extinguishing method and system for energy storage system |
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Application publication date: 20190118 |