CN109091779A - A kind of lithium ion battery safe fire extinction system and method - Google Patents
A kind of lithium ion battery safe fire extinction system and method Download PDFInfo
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- CN109091779A CN109091779A CN201810790366.1A CN201810790366A CN109091779A CN 109091779 A CN109091779 A CN 109091779A CN 201810790366 A CN201810790366 A CN 201810790366A CN 109091779 A CN109091779 A CN 109091779A
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- extinguishing
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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
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- Public Health (AREA)
- Business, Economics & Management (AREA)
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
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Abstract
The invention discloses a kind of lithium ion battery safe fire extinction systems, comprising: battery status acquisition unit, the state parameter Data Concurrent for acquiring lithium ion battery are sent to cell safety fire extinguishing control unit；Cell safety fire extinguishing control unit, when meeting the trigger condition of preset control rule, carries out fire extinguishing processing according to preset control rule control extinguishing device for being compared state parameter data with multiple trigger conditions in preset control rule.The present invention completes the monitoring to battery status parameter in real time, and state parameter data are sent to cell safety fire extinguishing control unit and are compared with multiple trigger conditions in preset control rule, fire extinguishing processing is carried out according to preset control rule control extinguishing device and is made a response, efficient, safety fire extinguishing processing can be carried out to the lithium battery that fire occurs, and independent response can be made for different fire extinguishing regions, the usage amount for reducing extinguishing chemical reduces influence of the extinguishing chemical to other batteries.
Description
Technical field
The present invention relates to lithium ion battery security technology areas, and more particularly, to a kind of lithium ion battery safety
Fire extinguishing system and method.
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.The fire hazard of lithium ion battery is mainly from its structure, especially higher energy density and improper charging
The gasification of electrolyte caused by Shi Gaowen is decomposed；Meanwhile short circuit caused by battery design defect and raw material flaw, overcharge
With it is water stain, may all cause fire.
Lithium ion battery is possible to factor management system failure or other unpredictable factors in use, cause lithium from
Sub- cells burst, on fire or even explosion.By its exclusive characteristic when fire occurs for lithium ion battery, battery itself is generated under high temperature
Oxygen, single barrier battery and oxygen are not up to desired effect.In lithium ion battery use process there is no for lithium from
The fire extinguishing system that sub- battery fire uses, extinguishing chemical that conventional fire extinguishing system uses such as water, carbon dioxide etc., to lithium ion battery
Extinguishing effect is limited, and water may also result in other and not catch fire battery short circuit and on fire.
Therefore, it is necessary to a kind of fire extinguishing systems designed for lithium ion battery fire characteristics, with efficient, safe to lithium
Ion battery carries out fire extinguishing processing.
Summary of the invention
The present invention proposes a kind of lithium ion battery safe fire extinction system and method, can not to solve existing fire extinguishing system
The problem of fire extinguishing processing efficiently and safely is carried out to lithium ion battery.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided a kind of lithium ion battery safe fire extinction system
System, which is characterized in that the system comprises:
Battery status acquisition unit, for acquiring the state parameter data of lithium ion battery, and by the state parameter number
According to be sent to cell safety fire extinguishing control unit；
Cell safety put out a fire control unit, for by the state parameter data and it is preset control rule in multiple touchings
Clockwork spring part is compared, when meeting the trigger condition of the preset control rule, according to the preset control rule control
Extinguishing device processed carries out fire extinguishing processing.
Preferably, wherein the battery status acquisition unit, comprising: cigarette sense detection sensor, flame detector, battery temperature
Spend data acquisition module and current data acquisition module.
Preferably, wherein battery fire extinguishing control unit includes:
Data communication module is gone out for obtaining the state parameter data of the battery status acquisition unit acquisition and being uploaded to
Fiery control module；
Put out a fire control module, for by the state parameter data and it is preset control rule in multiple trigger conditions into
Row compares, when meeting the trigger condition of the preset control rule, according to the preset control rule control fire extinguishing dress
It sets and carries out fire extinguishing processing.
Preferably, wherein the preset control rule are as follows: when battery temperature data is higher than preset temperature threshold, electric current number
According to being greater than, predetermined current threshold, cigarette sense detection sensor detects smoke signal and flame detector detects flare up fire
When, fire extinguishing control module response, and control extinguishing device and fire extinguishing processing is carried out to corresponding region.
Preferably, wherein the extinguishing device includes: fire extinguisher cabinet, the extinguishing chemical bottle of at least one, extinguishing chemical control
Valve and gas circuit control valve.
Preferably, wherein the extinguishing chemical bottle is placed in implementation fire extinguisher cabinet body, the bottleneck of each extinguishing chemical bottle is provided with
Extinguishing chemical control valve, each extinguishing chemical bottle are equipped with gas path control valve by the external multiple branch pipelines of pipeline, each branch pipeline
Door, by the opening and closing of fire extinguishing control module control extinguishing chemical control valve and gas circuit control valve.
Preferably, wherein the flame detector, is also used to issue alarm signal, the report when detecting flare up fire
Alert signal includes: at least one of visual alarm and audible ringing signal.
According to another aspect of the present invention, a kind of lithium ion battery safe fire extinction method is provided, which is characterized in that institute
The method of stating includes:
Acquire the state parameter data of lithium ion battery；
The state parameter data are compared with multiple trigger conditions in preset control rule, described in satisfaction
When the trigger condition of preset control rule, fire extinguishing processing is carried out according to the preset control rule control extinguishing device.
Preferably, wherein utilizing cigarette sense detection sensor, flame detector, battery temperature data acquisition module and electric current number
The state parameter data are acquired according to acquisition module.
Preferably, wherein the preset control rule are as follows: when battery temperature data is higher than preset temperature threshold, electric current number
According to being greater than, predetermined current threshold, cigarette sense detection sensor detects smoke signal and flame detector detects flare up fire
When, fire extinguishing control module response, and control extinguishing device and fire extinguishing processing is carried out to corresponding region.
Preferably, wherein the extinguishing device includes: fire extinguisher cabinet, the extinguishing chemical bottle of at least one, extinguishing chemical control
Valve and gas circuit control valve.
Preferably, wherein the extinguishing chemical bottle is placed in implementation fire extinguisher cabinet body, the bottleneck of each extinguishing chemical bottle is provided with
Extinguishing chemical control valve, each extinguishing chemical bottle are equipped with gas path control valve by the external multiple branch pipelines of pipeline, each branch pipeline
Door, by the opening and closing of fire extinguishing control module control extinguishing chemical control valve and gas circuit control valve.
Preferably, wherein issuing alarm signal when flame detector detects flare up fire, the alarm signal includes:
At least one of visual alarm and audible ringing signal.
The present invention provides a kind of lithium ion battery safe fire extinction system and methods, are acquired by battery status acquisition unit
The state parameter data of lithium ion battery complete the monitoring to battery status parameter in real time, and state parameter data are sent to
Cell safety fire extinguishing control unit is compared with multiple trigger conditions in preset control rule, described preset when meeting
When controlling the trigger condition of rule, fire extinguishing processing is carried out according to the preset control rule control extinguishing device and makes sound
It answers.The present invention efficient, safety can carry out fire extinguishing processing to the lithium battery that fire occurs, and be directed to different fire extinguishing regions energy
Independent response is enough made, extinguishing chemical usage amount is reduced, reduces influence of the extinguishing chemical to other batteries.
Detailed description of the invention
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by:
Fig. 1 is the structural schematic diagram according to the lithium ion battery safe fire extinction system 100 of embodiment of the present invention；
Fig. 2 is the instance graph according to the cell safety of embodiment of the present invention fire extinguishing control unit；
Fig. 3 is the flow chart according to the lithium ion battery safe fire extinction method 300 of embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is the structural schematic diagram according to the lithium ion battery safe fire extinction system 100 of embodiment of the present invention.Such as Fig. 1
Lithium ion battery safe fire extinction system shown, that embodiments of the present invention provide acquires lithium by battery status acquisition unit
The state parameter data of ion battery complete the monitoring to battery status parameter in real time, and state parameter data are sent to electricity
Pond safe fire extinction control unit is compared with multiple trigger conditions in preset control rule, when meeting the preset control
When making the trigger condition of rule, fire extinguishing processing is carried out according to the preset control rule control extinguishing device and is made a response.
The present invention efficient, safety can carry out fire extinguishing processing to the lithium battery that fire occurs, and can for different fire extinguishing regions
Independent response is made, extinguishing chemical usage amount is reduced, reduces influence of the extinguishing chemical to other batteries.Embodiments of the present invention provide
Lithium ion battery safe fire extinction system 300, comprising: battery status acquisition unit 101, cell safety put out a fire control unit 102
With extinguishing device 103.Preferably, the battery status acquisition unit 101, for acquiring the state parameter number of lithium ion battery
According to, and the state parameter data are sent to cell safety fire extinguishing control unit.
Preferably, wherein the battery status acquisition unit 101, comprising: cigarette sense detection sensor 1011, flame detector
1012, battery temperature data acquisition module 1013 and current data acquisition module 1014.
In embodiments of the present invention, battery status acquisition unit includes but is not limited to cigarette sense detection sensor, flame
Detector, battery temperature data acquisition module, current data acquisition module and battery voltage acquisition module.
Preferably, cell safety fire extinguishing control unit 102, for the state parameter data and preset control are regular
In multiple trigger conditions be compared, when meet it is described it is preset control rule trigger condition when, according to described preset
Control rule control extinguishing device 103 carries out fire extinguishing processing.
Preferably, wherein battery fire extinguishing control unit 102 includes: data communication module 1021 and fire extinguishing control module
1022.Preferably, the data communication module 1021, for obtaining the state parameter number of the battery status acquisition unit acquisition
According to and be uploaded to fire extinguishing control module.Preferably, the fire extinguishing control module 1022, for by the state parameter data and in advance
If control rule in multiple trigger conditions be compared, when meet it is described it is preset control rule trigger condition when, root
Fire extinguishing processing is carried out according to the preset control rule control extinguishing device.
Preferably, wherein the preset control rule are as follows: when battery temperature data is higher than preset temperature threshold, electric current number
According to being greater than, predetermined current threshold, cigarette sense detection sensor detects smoke signal and flame detector detects flare up fire
When, fire extinguishing control module response, and control extinguishing device and fire extinguishing processing is carried out to corresponding region.
Preferably, wherein the extinguishing device 103 include: fire extinguisher cabinet 1031, at least one extinguishing chemical bottle 1032,
Extinguishing chemical control valve 1033 and gas circuit control valve 1034.
Preferably, wherein the extinguishing chemical bottle 1032 is placed in implementation fire extinguisher cabinet 1031, each extinguishing chemical bottle 1032
Bottleneck be provided with extinguishing chemical control valve 1033, each extinguishing chemical bottle 1032 passes through the external multiple branch pipelines of pipeline, Mei Gefen
Pipeline is equipped with gas path control valve door 1034, controls extinguishing chemical control valve 1033 by fire extinguishing control module 1022 and gas circuit controls
The opening and closing of valve 1034.
Preferably, wherein the flame detector 1012, is also used to issue alarm signal, institute when detecting flare up fire
Stating alarm signal includes: at least one of visual alarm and audible ringing signal.
In embodiments of the present invention, cell safety fire extinguishing control unit includes but is not limited to communication module, fire extinguishing control
Molding block and extinguishing device.Extinguishing device include: fire extinguisher cabinet, the extinguishing chemical bottle of at least one, extinguishing chemical control valve and
Gas path control valve door.Extinguishing chemical bottle, which is placed in, to be implemented in fire extinguisher cabinet body, and each extinguishing chemical bottle bottleneck is provided with extinguishing chemical control valve
Door, each extinguishing chemical bottle are equipped with gas path control valve door by the external multiple branch pipelines of pipeline, each branch pipeline, are controlled by fire extinguishing
The opening and closing of module control extinguishing chemical control valve and gas circuit control valve.
Lithium ion battery state acquisition unit acquires battery status parameter data by above-mentioned sensor, and will be in data
Lithium ion battery safe fire extinction control unit is reached, is greater than 5C, fiery cigarette sense higher than 80 DEG C, electric current when temperature occurs in lithium ion battery
Detector, when flame detector detects flare up fire, the safe fire extinction control module of lithium ion battery is begun to respond to, and opens police
The extinguishing chemical valve for reporting corresponding region, is sprayed at alarm region for extinguishing chemical, plays the role of fire extinguishing.Meanwhile when detecting flame
It is made a sound when signal and photosignal to remind staff carries out manual extinguishing in time.
Fig. 2 is the instance graph according to the cell safety of embodiment of the present invention fire extinguishing control unit.As shown in Fig. 2, this hair
The cell safety fire extinguishing control unit of bright embodiment includes: fire extinguishing control module, data communication module, PORT COM, gas circuit
Control valve, extinguishing chemical bottle, extinguishing chemical control valve and cabinet.Extinguishing chemical bottle is placed in cabinet, and bottleneck prevents extinguishing chemical bottle
Control valve is controlled by extinguishing chemical control module and is opened and closed；Each gas cylinder passes through the extraneous 5 each branch pipelines of pipeline, each pipeline
Gas path control valve door is installed, is controlled and is opened and closed by fire extinguishing control module.Data communication module is built in cabinet, by logical
It interrogates port and obtains the battery status parameter data that sensor is sent, and upload fire extinguishing control module.Fire extinguishing control module is responsible for connecing
Whether receiving communication module and upload data, and judge the unlatching of fire extinguishing system.
Fig. 3 is the flow chart according to the lithium ion battery safe fire extinction method 300 of embodiment of the present invention.As shown in figure 3,
The lithium ion battery safe fire extinction method 100 that embodiments of the present invention provide is acquired since step 301 place in step 301
The state parameter data of lithium ion battery.
Preferably, wherein utilizing cigarette sense detection sensor, flame detector, battery temperature data acquisition module and electric current number
The state parameter data are acquired according to acquisition module.
Preferably, step 302 by the state parameter data and it is preset control rule in multiple trigger conditions into
Row compares, when meeting the trigger condition of the preset control rule, according to the preset control rule control fire extinguishing dress
It sets and carries out fire extinguishing processing.
Preferably, wherein the preset control rule are as follows: when battery temperature data is higher than preset temperature threshold, electric current number
According to being greater than, predetermined current threshold, cigarette sense detection sensor detects smoke signal and flame detector detects flare up fire
When, fire extinguishing control module response, and control extinguishing device and fire extinguishing processing is carried out to corresponding region.
Preferably, wherein the extinguishing device includes: fire extinguisher cabinet, the extinguishing chemical bottle of at least one, extinguishing chemical control
Valve and gas circuit control valve.
Preferably, wherein the extinguishing chemical bottle is placed in implementation fire extinguisher cabinet body, the bottleneck of each extinguishing chemical bottle is provided with
Extinguishing chemical control valve, each extinguishing chemical bottle are equipped with gas path control valve by the external multiple branch pipelines of pipeline, each branch pipeline
Door, by the opening and closing of fire extinguishing control module control extinguishing chemical control valve and gas circuit control valve.
Preferably, wherein issuing alarm signal when flame detector detects flare up fire, the alarm signal includes:
At least one of visual alarm and audible ringing signal.
The lithium of the lithium ion battery safe fire extinction method 300 of the embodiment of the present invention and another embodiment of the invention from
Sub- cell safety extinguishing method system 100 is corresponding, and details are not described herein.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by subsidiary Patent right requirement, in addition to the present invention other embodiments disclosed above equally fall in it is of the invention
In range.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (13)
1. a kind of lithium ion battery safe fire extinction system, which is characterized in that the system comprises:
Battery status acquisition unit is sent out for acquiring the state parameter data of lithium ion battery, and by the state parameter data
It send to cell safety fire extinguishing control unit；
Cell safety put out a fire control unit, for by the state parameter data and it is preset control rule in multiple triggering items
Part is compared, and when meeting the trigger condition of the preset control rule, is gone out according to the preset control rule control
Fiery device carries out fire extinguishing processing.
2. system according to claim 1, which is characterized in that the battery status acquisition unit, comprising: cigarette sense detection passes
Sensor, flame detector, battery temperature data acquisition module and current data acquisition module.
3. system according to claim 1, which is characterized in that battery fire extinguishing control unit includes:
Data communication module, for obtaining the state parameter data of the battery status acquisition unit acquisition and being uploaded to fire extinguishing control
Molding block；
Fire extinguishing control module, for comparing multiple trigger conditions in the state parameter data and preset control rule
Compared with, when meet it is described it is preset control rule trigger condition when, according to the preset control rule control extinguishing device into
Row fire extinguishing processing.
4. system according to claim 1, which is characterized in that
The preset control rule are as follows: when battery temperature data is higher than preset temperature threshold, current data is greater than predetermined current
Threshold value, cigarette sense detection sensor detect smoke signal and when flame detector detect flare up fire, control module of putting out a fire
Response, and control extinguishing device and fire extinguishing processing is carried out to corresponding region.
5. system according to claim 1, which is characterized in that the extinguishing device include: fire extinguisher cabinet, at least one
Extinguishing chemical bottle, extinguishing chemical control valve and gas circuit control valve.
6. system according to claim 5, which is characterized in that the extinguishing chemical bottle, which is placed in, to be implemented in fire extinguisher cabinet body, often
The bottleneck of a extinguishing chemical bottle is provided with extinguishing chemical control valve, and each extinguishing chemical bottle is by the external multiple branch pipelines of pipeline, each
Branch pipeline is equipped with gas path control valve door, by the unlatching of fire extinguishing control module control extinguishing chemical control valve and gas circuit control valve
And closing.
7. system according to claim 4, which is characterized in that
The flame detector, is also used to issue alarm signal when detecting flare up fire, and the alarm signal includes: light report
Alert at least one of signal and audible ringing signal.
8. a kind of lithium ion battery safe fire extinction method, which is characterized in that the described method includes:
Acquire the state parameter data of lithium ion battery；
The state parameter data are compared with multiple trigger conditions in preset control rule, it is described default when meeting
Control rule trigger condition when, fire extinguishing processing is carried out according to the preset control rule control extinguishing device.
9. according to the method described in claim 8, it is characterized in that, utilizing cigarette sense detection sensor, flame detector, battery temperature
It spends data acquisition module and current data acquisition module acquires the state parameter data.
10. according to the method described in claim 8, it is characterized in that,
The preset control rule are as follows: when battery temperature data is higher than preset temperature threshold, current data is greater than predetermined current
Threshold value, cigarette sense detection sensor detect smoke signal and when flame detector detect flare up fire, control module of putting out a fire
Response, and control extinguishing device and fire extinguishing processing is carried out to corresponding region.
11. according to the method described in claim 8, it is characterized in that, the extinguishing device includes: fire extinguisher cabinet, at least one
A extinguishing chemical bottle, extinguishing chemical control valve and gas circuit control valve.
12. according to the method described in claim 8, it is characterized in that, the extinguishing chemical bottle is placed in implementation fire extinguisher cabinet body, often
The bottleneck of a extinguishing chemical bottle is provided with extinguishing chemical control valve, and each extinguishing chemical bottle is by the external multiple branch pipelines of pipeline, each
Branch pipeline is equipped with gas path control valve door, by the unlatching of fire extinguishing control module control extinguishing chemical control valve and gas circuit control valve
And closing.
13. according to the method described in claim 10, it is characterized in that,
Alarm signal is issued when flame detector detects flare up fire, the alarm signal includes: visual alarm harmony
At least one of sound alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790366.1A CN109091779A (en) | 2018-07-18 | 2018-07-18 | A kind of lithium ion battery safe fire extinction system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790366.1A CN109091779A (en) | 2018-07-18 | 2018-07-18 | A kind of lithium ion battery safe fire extinction system and method |
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| Publication Number | Publication Date |
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| CN109091779A true CN109091779A (en) | 2018-12-28 |
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|---|---|---|---|
| CN201810790366.1A Pending CN109091779A (en) | 2018-07-18 | 2018-07-18 | A kind of lithium ion battery safe fire extinction system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559576A (en) * | 2019-09-10 | 2019-12-13 | 上海联界汽车科技有限公司 | fire suppression method and system for lithium ion battery box |
| CN111628231A (en) * | 2019-02-28 | 2020-09-04 | 宁德时代新能源科技股份有限公司 | Container type energy storage system and environment control method thereof |
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| CN107681067A (en) * | 2017-11-06 | 2018-02-09 | 公安部四川消防研究所 | A kind of lithium ion battery fireproof anti-explosion device |
| CN207591144U (en) * | 2017-08-30 | 2018-07-10 | 上海联界汽车科技有限公司 | The Special Automatic fire extinguishing system of power battery box |
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| WO2013036087A2 (en) * | 2011-09-08 | 2013-03-14 | 주식회사 엘지화학 | Apparatus for extinguishing a battery-pack fire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111628231A (en) * | 2019-02-28 | 2020-09-04 | 宁德时代新能源科技股份有限公司 | Container type energy storage system and environment control method thereof |
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