CN109045517A - A kind of electric car lithium-ion power battery box fire suppression mechanism and implementation method - Google Patents
A kind of electric car lithium-ion power battery box fire suppression mechanism and implementation method Download PDFInfo
- Publication number
- CN109045517A CN109045517A CN201811233320.6A CN201811233320A CN109045517A CN 109045517 A CN109045517 A CN 109045517A CN 201811233320 A CN201811233320 A CN 201811233320A CN 109045517 A CN109045517 A CN 109045517A
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- lithium
- ion
- extinguishing chemical
- battery box
- power battery
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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
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- 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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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of implementation methods of electric car lithium-ion power battery box fire suppression mechanism, steps are as follows: when lithium-ion-power cell occurs thermal runaway and causes fire in lithium-ion power battery box, driver and conductor or external rescue personnel open the closure end cap of car body capping and extinguishing chemical inlet, extinguishing device equipped with extinguishing chemical is connected with extinguishing chemical inlet, start extinguishing device, extinguishing chemical is entered in lithium-ion power battery box by extinguishing chemical inlet by extinguishing chemical filling line under driving medium effect, by between several lithium-ion-power cells gap and lithium-ion power battery box in all standing, achieve the purpose that the battery thermal runaway that stamps out a fire and inhibit.The present invention can in time, effectively save lithium-ion electric Pool fire; it is provided safeguard for personnel escape and protection vehicle safety, while also providing the measure and method of a kind of fighting lithium ion battery of electric automobile fire for electric car production unit, marketing unit, user and rescue personnel.
Description
Technical field
The present invention relates to a kind of fire suppression mechanisms, more particularly to a kind of electric car lithium-ion power battery box spray
Structure.
Background technique
With the lasting propulsion of China's new-energy automobile national strategy, China's new-energy automobile ownership is constantly soaring.According to
The data of the mechanisms such as China Association for Automobile Manufacturers publication show that in 2018 first half of the year, China's new-energy automobile yield is up to 41.3 ten thousand
, 41.2 ten thousand are sold, 94.9% and 111.5% is increased respectively on year-on-year basis, the scene that both production and marketing thrive, new-energy automobile occurs
Industry continues to keep high speed development.However, a lot of fire incidents have occurred in new-energy automobile during popularization and application.Root
The electric car safety message statistics that can be issued according to hundred people of electric car, domestic generation electric car fire incident in 2015
14, it is up to 29 within 2016, accident total amount rapid increase.Correlative study shows new-energy automobile fire number with production
Sales volume and increase, it is about 50 that fire number, which occurs, for average every 1,000,000 new-energy automobiles.It calculates accordingly, to 2020
Year, if new-energy automobile ownership reaches 5,000,000, fire incident will effectively control and new energy vapour of saving up to 250
Vehicle fire has become the key points and difficulties of current people's research.
Lithium ion battery is to be easiest to accident occur in electric car and cause the element of fire, and lithium ion battery is usually pacified
In battery case, different electric cars, the type and quantity of battery are not also identical in battery case, install in battery case
Battery, few person have tens, and more persons have thousands of, and battery case is typically mounted on automobile chassis position, once battery catches fire,
Battery can in battery case internal-combustion, since battery case is completely isolated with outside, even if fire-fighting and rescue personnel and equipment arrive
Up to the scene of the accident, extinguishing chemical or other fire suppression measures also be cannot be introduced into inside battery case, and rescue personnel is also helpless, can only be waited
It is burnt down to battery.
Summary of the invention
In view of situation of the existing technology, the present invention provides a kind of electric car lithium-ion power battery box sprays
Structure and implementation method install extinguishing chemical filling line on the lithium-ion power battery box of electric car, when lithium ion power electricity
When battery in the case of pond occurs thermal runaway and causes fire, injected by extinguishing chemical filling line into lithium-ion power battery box
Extinguishing chemical realizes the purpose for stamping out a fire and inhibiting battery thermal runaway.
To achieve the above object, used technical solution is the present invention: a kind of electric car lithium-ion power battery box
Fire suppression mechanism, including be arranged in the intracorporal lithium-ion power battery box of electric automobile, charge port, charge cable；Its feature exists
In: further include extinguishing chemical inlet, block end cap, extinguishing chemical filling line and interface；
The extinguishing chemical inlet is inverted cone-shaped structure；
The extinguishing chemical filling line is the flexible metal hose with intensity；
In the interface it is adjacent side by side be provided with charge port and extinguishing chemical inlet, interface is fixed on electric car car body,
Capping is equipped on interface；
Extinguishing chemical filling line one end is connect with interface, and the other end of extinguishing chemical filling line protrudes into lithium-ion-power cell
Gap in case between several lithium-ion-power cells connects；
One end of the charge cable is connect with charge port, and the other end of charge cable is existed by extinguishing chemical filling line and setting
Several lithium-ion-power cells connection in lithium-ion power battery box, charge cable are arranged in extinguishing chemical filling line, can
To prevent charge cable by slungshot physical damage, guarantee that charge cable can work normally；
Under normal operative condition, extinguishing chemical inlet is blocked by blocking end cap, it is ensured that outside moisture and gas cannot be into
Enter in lithium-ion power battery box.
A kind of implementation method of electric car lithium-ion power battery box fire suppression mechanism, which is characterized in that steps are as follows:
When lithium-ion-power cell occurs thermal runaway and causes fire in lithium-ion power battery box, driver and conductor or outside are rescued
The closure end cap that personnel open car body capping and extinguishing chemical inlet is helped, the extinguishing device and extinguishing chemical of extinguishing chemical will be housed
Inlet is connected, and starts extinguishing device, and extinguishing chemical passes through extinguishing chemical injection pipe by extinguishing chemical inlet under driving medium effect
Road enters in lithium-ion power battery box, by between several lithium-ion-power cells gap and lithium-ion power battery box in it is complete
Covering forms total flooding effect, achievees the purpose that the battery thermal runaway that stamps out a fire and inhibit.
The invention has the advantages that when battery occurs thermal runaway and causes fire in lithium-ion power battery box, department
Multiply personnel or rescue personnel can open car body capping in time and extinguishing chemical inlet blocks end cap, by dedicated fire-extinguishing apparatus with go out
Fiery agent inlet is connected, and extinguishing chemical is entered in lithium-ion power battery box by extinguishing chemical inlet, extinguishing chemical filling line,
Can in time, effectively be saved lithium-ion electric Pool fire, be provided safeguard for personnel escape and protection vehicle safety, while also be electronic
Automobile production unit, marketing unit, user and rescue personnel provide a kind of measure of fighting lithium ion battery of electric automobile fire
And method.
Extinguishing chemical inlet is designed as inverted cone-shaped structure, after being connected with external fire-extinguishing apparatus, both can guarantee the stream of extinguishing chemical
Amount, and can seal, guarantee that extinguishing chemical will not flow out.
Charge cable is arranged in extinguishing chemical filling line, and charge cable can be prevented by physical damages such as slungshots, guaranteed
Charge cable can work normally.
Extinguishing chemical inlet and charge port are arranged under a capping of electric car car body, and charge operation and extinguishing chemical note
It is non-interference to enter operation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the main view of interface of the present invention；
Fig. 3 is the structural schematic diagram of lithium-ion power battery box of the present invention；
Fig. 4 is the overall schematic that the present invention is installed on electric car.
Specific embodiment
As shown in Figures 1 to 4, a kind of electric car lithium-ion power battery box fire suppression mechanism, including be arranged in electronic vapour
Motor 2 and lithium-ion power battery box 3 in vehicle car body 1 further include charge port 4, charge cable 5, extinguishing chemical inlet 6, envelope
Stifled end cap 7, extinguishing chemical filling line 8 and interface 9.
Lithium-ion power battery box 3 is two-piece unit formula structure, and upper cover and lower box are bolted connection, lithium ion
Power battery box 3 is provided with the components such as several lithium-ion-power cell 3-1, battery management system, heat management system, cable,
Degree of protection is not less than IP67, and lithium-ion power battery box 3 is that motor 2 provides power source, and motor 2 passes through operating driving garage
It sails.
Extinguishing chemical inlet 6 is inverted cone-shaped structure.
Extinguishing chemical filling line 8 is the flexible metal hose with intensity.
In interface 9 it is adjacent side by side be provided with charge port 4 and extinguishing chemical inlet 6, interface 9 is fixed on electric automobile
On body 1, capping 1-1 is equipped on interface 9.
8 one end of extinguishing chemical filling line is connect with interface 9, it is dynamic that the other end of extinguishing chemical filling line 8 protrudes into lithium ion
Gap in power battery case 3 between several lithium-ion-power cell 3-1 connects, and extinguishing chemical filling line 8 and lithium ion are dynamic
The contact site of 3 body of power battery case, is fixed using welded seal.
One end of charge cable 5 is connect with charge port 4, the other end of charge cable 5 by extinguishing chemical filling line 8 with
Several lithium-ion-power cell 3-1 connections in lithium-ion power battery box 3 are set, and the setting of charge cable 5 is infused in extinguishing chemical
Enter in pipeline 8, charge cable 5 can be prevented by the damage of slungshot object, guarantees that charge cable 5 can work normally.
Under normal operative condition, extinguishing chemical inlet 6 is blocked by blocking end cap 7, it is ensured that outside moisture and gas
It not can enter in lithium-ion power battery box 3, when a fire, can be opened by electric or hand mode by end cap 7 is blocked.
Lithium-ion-power cell 3-1 is ternary system or LiFePO4 or LiMn2O4 or cobalt acid lithium or lithium ferric manganese phosphate or titanium
Acid lithium battery.
Lithium-ion-power cell 3-1 shape is cylindrical or rectangular or multi-edge column-shaped or soft-package battery.
A kind of implementation method of electric car lithium-ion power battery box fire suppression mechanism, steps are as follows:
When lithium-ion-power cell 3-1 occurs thermal runaway and causes fire in lithium-ion power battery box 3, driver and conductor or outer
Portion rescue personnel opens the closure end cap 7 of car body capping 1-1 and extinguishing chemical inlet 6, and perfluor hexanone extinguishing chemical will be housed
Extinguishing device be connected with extinguishing chemical inlet 6, start extinguishing device, extinguishing chemical is injected under driving medium effect by extinguishing chemical
Mouth 6 is entered in lithium-ion power battery box 3 by extinguishing chemical filling line 8, by the seam between several lithium-ion-power cell 3-1
All standing in gap and lithium-ion power battery box 3 realizes total flooding effect, reaches the mesh for stamping out a fire and inhibiting battery thermal runaway
's.
Extinguishing chemical is perfluor hexanone or heptafluoro-propane or hexafluoropropane or carbon dioxide extinguishing agent, or is above two or more
The mixture of kind extinguishing chemical.
Electric car is using lithium ion battery as the pure electric vehicle passenger car of power source.
Above-described embodiment is only used to further illustrate a kind of electric car lithium-ion power battery box spray of the invention
Structure, but the invention is not limited to embodiment, according to the technical essence of the invention any letters to the above embodiments
Single modification, equivalent variations and modification, fall within the scope of protection of technical solution of the present invention.
Claims (5)
1. a kind of electric car lithium-ion power battery box fire suppression mechanism, including the lithium that is arranged in electric car car body (1) from
Sub- power battery box (3), charge port (4), charge cable (5)；It is characterized by also including extinguishing chemical inlet (6), block end
Cover (7), extinguishing chemical filling line (8) and interface (9)；
The extinguishing chemical inlet (6) is inverted cone-shaped structure；
The extinguishing chemical filling line (8) is the flexible metal hose with intensity；
In the interface (9) it is adjacent side by side be provided with charge port (4) and extinguishing chemical inlet (6), interface (9) is fixed on electronic
On car body (1), capping (1-1) is equipped on interface (9)；
Described extinguishing chemical filling line (8) one end is connect with interface (9), the other end of extinguishing chemical filling line (8) protrude into lithium from
Gap in sub- power battery box (3) between several lithium-ion-power cells (3-1) connects；
One end of the charge cable (5) is connect with charge port (4), and the other end of charge cable (5) passes through extinguishing chemical injection pipe
Road (8) is connect with the several lithium-ion-power cells (3-1) being arranged in lithium-ion power battery box (3), and charge cable (5) is set
It sets in extinguishing chemical filling line (8), charge cable (5) can be prevented by slungshot physical damage, guarantee that charge cable (5) can
It works normally；
Under normal operative condition, extinguishing chemical inlet (6) is blocked by blocking end cap (7), it is ensured that outside moisture and gas
It not can enter in lithium-ion power battery box (3).
2. according to a kind of electric car lithium-ion power battery box fire suppression mechanism described in claim 1 is used, which is characterized in that
The lithium-ion-power cell (3-1) is ternary system or LiFePO4 or LiMn2O4 or cobalt acid lithium or lithium ferric manganese phosphate or titanium
Acid lithium battery.
3. according to a kind of electric car lithium-ion power battery box fire suppression mechanism described in claim 1 is used, it is characterised in that:
Lithium-ion-power cell (3-1) shape is cylindrical or rectangular or multi-edge column-shaped or soft-package battery.
4. a kind of implementation method using electric car lithium-ion power battery box fire suppression mechanism described in claim 1, special
Sign is that steps are as follows:
When lithium-ion power battery box (3) interior lithium-ion-power cell (3-1) occurs thermal runaway and causes fire, driver and conductor
Or external rescue personnel open the closure end cap (7) of car body capping (1-1) and extinguishing chemical inlet (6), it will be equipped with fire extinguishing
The extinguishing device of agent is connected with extinguishing chemical inlet (6), starts extinguishing device, extinguishing chemical is under driving medium effect by extinguishing chemical
Inlet (6) is entered in lithium-ion power battery box (3) by extinguishing chemical filling line (8), by several lithium-ion-power cells
Gap and lithium-ion power battery box (3) interior all standing between (3-1) forms total flooding effect, reaches and stamp out a fire and press down
The purpose of battery thermal runaway processed.
5. special according to the implementation method using electric car lithium-ion power battery box fire suppression mechanism as claimed in claim 2
Sign is that the extinguishing chemical is perfluor hexanone or heptafluoro-propane or hexafluoropropane or carbon dioxide extinguishing agent, or is above two
Or the mixture of a variety of extinguishing chemicals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811233320.6A CN109045517A (en) | 2018-10-23 | 2018-10-23 | A kind of electric car lithium-ion power battery box fire suppression mechanism and implementation method |
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|---|---|---|---|
| CN201811233320.6A CN109045517A (en) | 2018-10-23 | 2018-10-23 | A kind of electric car lithium-ion power battery box fire suppression mechanism and implementation method |
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| Publication Number | Publication Date |
|---|---|
| CN109045517A true CN109045517A (en) | 2018-12-21 |
Family
ID=64765263
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|---|---|---|---|
| CN201811233320.6A Pending CN109045517A (en) | 2018-10-23 | 2018-10-23 | A kind of electric car lithium-ion power battery box fire suppression mechanism and implementation method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110010809A (en) * | 2019-03-22 | 2019-07-12 | 中国电力科学研究院有限公司 | A kind of energy-storage battery cabinet with fire-fighting function |
| CN110010808A (en) * | 2019-03-22 | 2019-07-12 | 中国电力科学研究院有限公司 | A kind of energy-storage battery cluster with fire-fighting function |
| CN110034256A (en) * | 2019-03-22 | 2019-07-19 | 中国电力科学研究院有限公司 | Battery case and energy-storage battery cabinet with fire-fighting structure |
| CN110061162A (en) * | 2019-03-22 | 2019-07-26 | 中国电力科学研究院有限公司 | Energy-storage battery cluster with heat dissipation with fire-fighting function |
| CN110120478A (en) * | 2019-03-22 | 2019-08-13 | 中国电力科学研究院有限公司 | High safety performance energy-storage battery cabinet |
| CN110120477A (en) * | 2019-03-22 | 2019-08-13 | 中国电力科学研究院有限公司 | High safety performance energy-storage battery cluster |
| CN110534821A (en) * | 2019-06-28 | 2019-12-03 | 淄博火炬能源有限责任公司 | Inhibit the protective device and its application method of lithium battery thermal runaway |
| CN110755773A (en) * | 2019-11-28 | 2020-02-07 | 杭州中传消防设备有限公司 | Electric automobile power battery box fire detection device with fire-fighting emergency water injection function |
| CN112972938A (en) * | 2019-12-17 | 2021-06-18 | 宝马股份公司 | Motor vehicle having a supply connection for a fire extinguishing agent outside the vehicle |
| CN113521598A (en) * | 2021-06-10 | 2021-10-22 | 东风汽车集团股份有限公司 | Battery pack fire extinguishing system and method and vehicle |
| CN114872563A (en) * | 2021-07-06 | 2022-08-09 | 宇通客车股份有限公司 | Power battery nitrogen protection system |
| FR3128827A1 (en) * | 2021-11-02 | 2023-05-05 | Renault S.A.S | SYSTEM FOR COOLING A TRACTION BATTERY IN THE EVENT OF THERMAL RUNAWAY |
| FR3141646A1 (en) * | 2022-11-03 | 2024-05-10 | Psa Automobiles Sa | VEHICLE INCLUDING A FIRE CHUTE. |
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| CN110034256B (en) * | 2019-03-22 | 2023-04-18 | 中国电力科学研究院有限公司 | Battery box and energy storage battery rack with fire control structure |
| CN110120478B (en) * | 2019-03-22 | 2023-04-07 | 中国电力科学研究院有限公司 | High-safety energy storage battery cabinet |
| CN110034256A (en) * | 2019-03-22 | 2019-07-19 | 中国电力科学研究院有限公司 | Battery case and energy-storage battery cabinet with fire-fighting structure |
| CN110061162A (en) * | 2019-03-22 | 2019-07-26 | 中国电力科学研究院有限公司 | Energy-storage battery cluster with heat dissipation with fire-fighting function |
| CN110120478A (en) * | 2019-03-22 | 2019-08-13 | 中国电力科学研究院有限公司 | High safety performance energy-storage battery cabinet |
| CN110120477A (en) * | 2019-03-22 | 2019-08-13 | 中国电力科学研究院有限公司 | High safety performance energy-storage battery cluster |
| CN110010809A (en) * | 2019-03-22 | 2019-07-12 | 中国电力科学研究院有限公司 | A kind of energy-storage battery cabinet with fire-fighting function |
| CN110120477B (en) * | 2019-03-22 | 2023-04-07 | 中国电力科学研究院有限公司 | High-safety energy storage battery cluster |
| CN110010808A (en) * | 2019-03-22 | 2019-07-12 | 中国电力科学研究院有限公司 | A kind of energy-storage battery cluster with fire-fighting function |
| CN110061162B (en) * | 2019-03-22 | 2023-04-07 | 中国电力科学研究院有限公司 | Energy storage battery cluster with heat dissipation and fire control function |
| CN110534821A (en) * | 2019-06-28 | 2019-12-03 | 淄博火炬能源有限责任公司 | Inhibit the protective device and its application method of lithium battery thermal runaway |
| CN110755773A (en) * | 2019-11-28 | 2020-02-07 | 杭州中传消防设备有限公司 | Electric automobile power battery box fire detection device with fire-fighting emergency water injection function |
| CN112972938A (en) * | 2019-12-17 | 2021-06-18 | 宝马股份公司 | Motor vehicle having a supply connection for a fire extinguishing agent outside the vehicle |
| CN113521598B (en) * | 2021-06-10 | 2022-07-12 | 岚图汽车科技有限公司 | Battery pack fire extinguishing system and method and vehicle |
| CN113521598A (en) * | 2021-06-10 | 2021-10-22 | 东风汽车集团股份有限公司 | Battery pack fire extinguishing system and method and vehicle |
| CN114872563A (en) * | 2021-07-06 | 2022-08-09 | 宇通客车股份有限公司 | Power battery nitrogen protection system |
| CN114872563B (en) * | 2021-07-06 | 2024-03-19 | 宇通客车股份有限公司 | Nitrogen protection system of power battery |
| WO2023078712A1 (en) * | 2021-11-02 | 2023-05-11 | Renault S.A.S. | System for cooling a traction battery in the event of thermal runaway |
| FR3128827A1 (en) * | 2021-11-02 | 2023-05-05 | Renault S.A.S | SYSTEM FOR COOLING A TRACTION BATTERY IN THE EVENT OF THERMAL RUNAWAY |
| FR3141646A1 (en) * | 2022-11-03 | 2024-05-10 | Psa Automobiles Sa | VEHICLE INCLUDING A FIRE CHUTE. |
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Application publication date: 20181221 |
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