CN107376162B - Vehicle-mounted battery fire extinguishing device - Google Patents
Vehicle-mounted battery fire extinguishing device Download PDFInfo
- Publication number
- CN107376162B CN107376162B CN201710481934.5A CN201710481934A CN107376162B CN 107376162 B CN107376162 B CN 107376162B CN 201710481934 A CN201710481934 A CN 201710481934A CN 107376162 B CN107376162 B CN 107376162B
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- CN
- China
- Prior art keywords
- fire extinguishing
- vehicle
- mounted battery
- battery
- tank
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a vehicle-mounted battery fire extinguishing device, wherein a vehicle-mounted battery is fixed in a battery box, and a spray pipe of a fire extinguishing tank is arranged in the battery box, wherein: the vehicle-mounted battery fire extinguishing device further comprises a fire extinguishing net structure, the fire extinguishing net structure comprises a fixing net and a plurality of fire extinguishing balls, the fire extinguishing balls are distributed on the fixing net, the fixing net can cover the vehicle-mounted battery to enable the fire extinguishing balls to be in contact with the vehicle-mounted battery, the fire extinguishing balls are composed of shells capable of being heated to break and fire extinguishing agents wrapped in the shells, the fire extinguishing agents in the fire extinguishing balls are formed by mixing perfluorohexanone solutions with molar concentrations exceeding 95% and indicating gases, wherein the perfluorohexanone solutions account for 30% -70% in parts by volume, the balance is indicating gases, detectors capable of detecting the indicating gases are arranged in the battery box and connected with a controller, the controller is connected with a switch valve of the fire extinguishing tank and controls the on-off of the switch valve, when the switch valve is switched on, the fire extinguishing materials in the fire extinguishing tank are sprayed into the battery box through a spray pipe device.
Description
Technical Field
The invention belongs to the technical field of fire extinguishing devices, and particularly relates to a vehicle-mounted battery fire extinguishing device.
Background
Because the existing new energy automobiles all adopt the lithium ion battery as a power system, the lithium ion battery has certain potential safety hazard in the running process of the automobile, and particularly under the abuse condition, such as overcharge, overdischarge, extrusion, needling, burning and the like in the charging process of the automobile, the lithium ion battery is easy to generate safety accidents of smoking, firing and even explosion. Therefore, the on-board battery is equipped with a fire extinguisher.
The existing fire extinguishing device can sense whether a battery in a battery box is on fire or not by mounting structures such as a temperature sensor, a smoke sensor, a combustible gas sensor and the like in the battery box in order to achieve the function of automatically extinguishing fire, and the fire extinguishing device is controlled to extinguish the fire through a controller. However, sometimes the vehicle is in an environment with large smoke or combustible gas, the battery box needs to keep good ventilation, smoke and combustible gas flow through the battery box, and at this time, the controller may make a misjudgment, and when the battery box is not on fire, the controller determines that the vehicle is on fire, and then starts the fire extinguishing device, which causes unnecessary loss.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the vehicle-mounted battery fire extinguishing device which is low in misjudgment possibility, good in fire extinguishing effect and novel in structure.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
on-vehicle battery extinguishing device, including installing the jar of extinguishing fire outside the battery box, the battery box internal fixation has on-vehicle battery, and the spray tube device of jar of extinguishing fire is to the battery box in, wherein: the vehicle-mounted battery fire extinguishing device further comprises a fire extinguishing net structure, the fire extinguishing net structure comprises a fixing net and a plurality of fire extinguishing balls, the fire extinguishing balls are distributed on the fixing net, the fixing net can cover the vehicle-mounted battery to enable the fire extinguishing balls to be in contact with the vehicle-mounted battery, the fire extinguishing balls are composed of shells capable of being heated to break and fire extinguishing agents wrapped in the shells, the fire extinguishing agents in the fire extinguishing balls are formed by mixing perfluorohexanone solutions with molar concentrations exceeding 95% and indicating gases, wherein the perfluorohexanone solutions account for 30% -70% in parts by volume, the balance is indicating gases, detectors capable of detecting the indicating gases are arranged in the battery box and connected with a controller, the controller is connected with a switch valve of the fire extinguishing tank and controls the on-off of the switch valve, when the switch valve is switched on, the fire extinguishing materials in the fire extinguishing tank are sprayed into the battery box through a spray pipe device.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the fire extinguishing material in the fire extinguishing tank is formed by mixing perfluorohexanone solution with the molar concentration of more than 95% and nitrogen, wherein the perfluorohexanone solution accounts for 30% -70%, and the balance is nitrogen.
The indicator gas is helium and, correspondingly, the detector is a helium detector.
The spray pipe device comprises a transverse pipe and a longitudinal pipe which are communicated with each other, the transverse pipe and the longitudinal pipe form a net structure to surround the vehicle-mounted battery in the battery box, spray heads are arranged on the transverse pipe and the longitudinal pipe and face the vehicle-mounted battery, and one of the transverse pipe or the longitudinal pipe is connected with a switch valve of the fire extinguishing tank.
The shell of the fire extinguishing ball is made of plastic, and the fire extinguishing ball comprises the following components in percentage by weight: 63-88% of nylon, 5-20% of elastic modifier, 2-10% of crystallization modifier and 5-7% of auxiliary agent, wherein the above components are in mass percentage.
The controller is a single chip microcomputer.
The pressure gauge is mounted on the fire extinguishing tank and used for indicating the pressure in the fire extinguishing tank.
The air pressure in the fire extinguishing ball is 1.2MPa to 1.5 MPa.
The vehicle-mounted battery fire extinguishing device is provided with a fixing net and a plurality of fire extinguishing balls, and fire extinguishing agents formed by mixing perfluorohexanone solution and indicating gas are arranged in the fire extinguishing balls. When the vehicle-mounted battery catches fire, the fire extinguishing ball close to the fire point can be melted and broken, so that a perfluorohexanone solution and indicating gas in the fire extinguishing ball are sprayed out, the perfluorohexanone solution extinguishes the fire against the fire point, the indicating gas volatilizes and is detected by the detector, and the controller controls the fire extinguishing tank to extinguish the fire. The indicating gas is preferably a gas which is less prone to occur in daily life, can be a gas which is artificially synthesized, can also be a gas which exists in the nature, such as helium, is an inert gas and cannot support combustion, and meanwhile rarely occurs in daily life, and the problem that the existing intelligent detection device is prone to misjudgment can be solved by taking the gas as the indicating gas. The fire extinguishing ball is provided with the fire extinguishing agent, so that fire can be extinguished at the fire point of the battery box.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of a fire suppression net structure;
fig. 3 is a structural view of the fire extinguishing ball.
Wherein the reference numerals are: the fire extinguishing device comprises a battery box 1, a fire extinguishing tank 2, a transverse pipe 21, a longitudinal pipe 22, a spray head 23, a vehicle-mounted battery 3, a fire extinguishing net structure 4, a fixing net 41, a fire extinguishing ball 42, a shell 42a, a detector 5 and a controller 6.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Vehicle-mounted battery extinguishing device, including installing jar 2 of putting out a fire outside battery box 1, battery box 1 internal fixation has vehicle-mounted battery 3, and the spray tube device of jar 2 of putting out a fire to battery box 1, wherein: the vehicle-mounted battery fire extinguishing device further comprises a fire extinguishing net structure 4, the fire extinguishing net structure 4 comprises a fixing net 41 and a plurality of fire extinguishing balls 42, the fire extinguishing balls 42 are distributed on the fixing net 41, the fixing net 41 can cover the vehicle-mounted battery 3 to enable the fire extinguishing balls 42 to be in contact with the vehicle-mounted battery 3, each fire extinguishing ball 42 is composed of a shell 42a capable of being broken by heating and a fire extinguishing agent wrapped in the shell 42a, the fire extinguishing agent in each fire extinguishing ball 42 is formed by mixing a perfluorohexanone solution with the molar concentration exceeding 95% and indicating gas, wherein, the perfluorohexanone solution accounts for 30 to 70 percent by volume, the rest is indicative gas, a detector 5 capable of detecting the indicative gas is arranged in the battery box 1, the detector 5 is connected with a controller 6, the controller 6 is connected with a switch valve of the fire extinguishing tank 2 and controls the on-off of the switch valve, when the switch valve is turned on, the fire extinguishing material in the fire extinguishing tank 2 is sprayed into the battery box 1 by the nozzle device.
In the embodiment, the fire extinguishing material in the fire extinguishing tank 2 is formed by mixing a perfluorohexanone solution with the molar concentration of more than 95% and nitrogen, wherein the perfluorohexanone solution accounts for 30% -70%, and the balance is nitrogen.
In an embodiment, the indicator gas is helium and correspondingly, the detector 5 is a helium detector.
In the embodiment, the nozzle device comprises a transverse pipe 21 and a longitudinal pipe 22 which are communicated with each other, the transverse pipe 21 and the longitudinal pipe 22 form a net structure to surround the vehicle-mounted battery 3 in the battery box 1, spray heads 23 are arranged on the transverse pipe 21 and the longitudinal pipe 22, the spray heads 23 are opposite to the vehicle-mounted battery 3, and one of the transverse pipe 21 or the longitudinal pipe 22 is connected with a switch valve of the fire extinguishing tank 2.
In the embodiment, the shell of the fire extinguishing ball 42 is made of plastic, and the components and the component contents thereof are as follows: 63-88% of nylon, 5-20% of elastic modifier, 2-10% of crystallization modifier and 5-7% of auxiliary agent, wherein the above components are in mass percentage. The nylon is any one or the mixture of nylon 66, nylon 6, nylon 1010 and nylon 11, and the elastic modifier is any one or the mixture of POE, EVA and EPDM. The crystallization modifier is any one of nano calcium carbonate and talcum powder. The auxiliary agent is the mixture of lubricant, colorant and desiccant. The lubricant is any one of zinc stearate, octadecanol and aluminum distearate. The lubricant is any one of zinc stearate, octadecanol and aluminum distearate. The colorant is cadmium red or carbon black. The drying agent is plastic water-removing functional master batch nylon 316.
In the embodiment, the controller 6 is a single chip microcomputer.
In the embodiment, the fire extinguishing tank 2 is provided with a pressure gauge, and the pressure gauge is used for indicating the pressure in the fire extinguishing tank 2.
In the embodiment, the pressure in the fire extinguishing ball 42 is 1.2MPa to 1.5 MPa.
The using method of the invention is as follows: fix on-vehicle battery 3 in battery box 1, then will evenly be laid the fixing net 41 cover that fire ball 42 goes out on-vehicle battery 3, make fire ball 42 and on-vehicle battery 3 contact, fire ball 42 will evenly distributed, look after each position of on-vehicle battery 3 as far as possible, the fixed surface helium detector of battery box 1 upper surface, because the density of helium is far less than the air, the helium can float to battery box 1 upper surface when fire ball 42 breaks to be detected by the helium detector. After the fire extinguishing net structure 4 is installed, structures such as fire extinguishing pots 2, transverse pipes 21, longitudinal pipes 22 and the like are installed, and the arrangement mode is shown in figure 1. When the vehicle-mounted battery 3 catches fire, the fire extinguishing ball 42 near the fire point is heated and broken to release the perfluorohexanone solution and the helium gas, the perfluorohexanone solution extinguishes the fire point, the helium gas floats on the upper surface of the battery box 1, the helium gas detector transmits a signal to the controller 6 after detecting the helium gas, the controller 6 controls the electromagnetic valve of the fire extinguishing tank 2 to be opened, and the fire extinguishing agent enters the spray pipe device from the fire extinguishing tank 2 and is sprayed out from the spray head 23 to extinguish the whole battery box 1.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (8)
1. On-vehicle battery extinguishing device, including installing extinguishing tank (2) outside battery box (1), battery box (1) internal fixation has on-vehicle battery (3), the spray tube device of extinguishing tank (2) to battery box (1) in, characterized by: the vehicle-mounted battery fire extinguishing device further comprises a fire extinguishing net structure (4), the fire extinguishing net structure (4) comprises a fixed net (41) and a plurality of fire extinguishing balls (42), the fire extinguishing balls (42) are distributed on the fixed net (41), the fixed net (41) can cover the vehicle-mounted battery (3) to enable the fire extinguishing balls (42) to be in contact with the vehicle-mounted battery (3), the fire extinguishing balls (42) are composed of fire extinguishing agents wrapped in a shell (42a) and a shell (42a) which can be heated and broken, the fire extinguishing agents in the fire extinguishing balls (42) are formed by mixing perfluorohexanone solution with the molar concentration exceeding 95% and indicating gas, wherein the perfluorohexanone solution accounts for 30% -70% by volume and the balance is indicating gas, a detector (5) capable of detecting the indicating gas is arranged in the battery box (1), and the detector (5) is connected with a controller (6), and the controller (6) is connected with the switch valve of the fire extinguishing tank (2) and controls the on-off of the switch valve, and when the switch valve is switched on, the fire extinguishing materials in the fire extinguishing tank (2) are sprayed into the battery box (1) through the spray pipe device.
2. The fire extinguishing apparatus for the vehicle-mounted battery according to claim 1, wherein: the fire extinguishing material in the fire extinguishing tank (2) is formed by mixing a perfluorohexanone solution with the molar concentration of more than 95% and nitrogen, wherein the perfluorohexanone solution accounts for 30% -70%, and the balance is nitrogen.
3. The fire extinguishing apparatus for the vehicle-mounted battery according to claim 2, wherein: the indicating gas is helium, and correspondingly, the detector (5) is a helium detector.
4. The fire extinguishing apparatus for the vehicle-mounted battery according to claim 3, wherein: the spray pipe device comprises a transverse pipe (21) and a longitudinal pipe (22) which are communicated with each other, the transverse pipe (21) and the longitudinal pipe (22) form a net structure to surround a vehicle-mounted battery (3) in a battery box (1), spray heads (23) are arranged on the transverse pipe (21) and the longitudinal pipe (22), the spray heads (23) face the vehicle-mounted battery (3), and one transverse pipe (21) or the longitudinal pipe (22) is connected with a switch valve of an extinguishing tank (2).
5. The vehicle-mounted battery fire extinguishing device according to claim 4, wherein the shell of the fire extinguishing ball (42) is made of plastic, and the components and the content of the components are 63-88% of nylon, 5-20% of elastic modifier, 2-10% of crystallization modifier and 5 ~ 7% of auxiliary agent, which are all mass percent.
6. The fire extinguishing apparatus for the vehicle-mounted battery according to claim 5, wherein: the controller (6) is a singlechip.
7. The fire extinguishing apparatus for the vehicle-mounted battery according to claim 6, wherein: the pressure gauge is installed on the fire extinguishing tank (2) and used for indicating the pressure in the fire extinguishing tank (2).
8. The fire extinguishing apparatus for the vehicle-mounted battery according to claim 7, wherein: the air pressure in the fire extinguishing ball (42) is 1.2MPa to 1.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481934.5A CN107376162B (en) | 2017-06-22 | 2017-06-22 | Vehicle-mounted battery fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481934.5A CN107376162B (en) | 2017-06-22 | 2017-06-22 | Vehicle-mounted battery fire extinguishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107376162A CN107376162A (en) | 2017-11-24 |
| CN107376162B true CN107376162B (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710481934.5A Active CN107376162B (en) | 2017-06-22 | 2017-06-22 | Vehicle-mounted battery fire extinguishing device |
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| Country | Link |
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| CN (1) | CN107376162B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310702B (en) * | 2018-02-10 | 2020-03-31 | 南京华剑兵科智能装备有限公司 | Aviation ball explosion-proof equipment |
| 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 |
| KR102540985B1 (en) * | 2021-12-10 | 2023-06-08 | 동의과학대학교 산학협력단 | Appratus and systems for extinguishing fires in electric mobile appartus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1406359A (en) * | 1973-02-07 | 1975-09-17 | Chubb Fire Security Ltd | Fire extinghuishing apparatus |
| RU2060742C1 (en) * | 1993-09-07 | 1996-05-27 | Потапов Евгений Александрович | Automatic powder fire extinguisher |
| JP2002130600A (en) * | 2000-10-24 | 2002-05-09 | Shobo Kagaku Kenkyusho:Kk | Inner pressure monitoring device for high pressure gas cylinder |
| CN102423518A (en) * | 2011-11-04 | 2012-04-25 | 公安部天津消防研究所 | Fire protection method of electrical device and protective device thereof |
| CN205287336U (en) * | 2015-12-29 | 2016-06-08 | 天津市长芦化工新材料有限公司 | Ball of simply putting out a fire |
| CN106581893A (en) * | 2016-11-30 | 2017-04-26 | 北京天康达科技发展有限公司 | Fire extinguishing system for vehicle |
| CN106807003A (en) * | 2017-03-10 | 2017-06-09 | 北京惟泰安全设备有限公司 | Battery compartment fire extinguishing system and new-energy automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012100623U1 (en) * | 2012-02-24 | 2012-03-22 | Job Lizenz Gmbh & Co. Kg | Fire protection device for small electrical appliances |
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2017
- 2017-06-22 CN CN201710481934.5A patent/CN107376162B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1406359A (en) * | 1973-02-07 | 1975-09-17 | Chubb Fire Security Ltd | Fire extinghuishing apparatus |
| RU2060742C1 (en) * | 1993-09-07 | 1996-05-27 | Потапов Евгений Александрович | Automatic powder fire extinguisher |
| JP2002130600A (en) * | 2000-10-24 | 2002-05-09 | Shobo Kagaku Kenkyusho:Kk | Inner pressure monitoring device for high pressure gas cylinder |
| CN102423518A (en) * | 2011-11-04 | 2012-04-25 | 公安部天津消防研究所 | Fire protection method of electrical device and protective device thereof |
| CN205287336U (en) * | 2015-12-29 | 2016-06-08 | 天津市长芦化工新材料有限公司 | Ball of simply putting out a fire |
| CN106581893A (en) * | 2016-11-30 | 2017-04-26 | 北京天康达科技发展有限公司 | Fire extinguishing system for vehicle |
| CN106807003A (en) * | 2017-03-10 | 2017-06-09 | 北京惟泰安全设备有限公司 | Battery compartment fire extinguishing system and new-energy automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107376162A (en) | 2017-11-24 |
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