CN211188859U - Automatic fire extinguishing device for automobile power battery - Google Patents
Automatic fire extinguishing device for automobile power battery Download PDFInfo
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- CN211188859U CN211188859U CN201922085495.3U CN201922085495U CN211188859U CN 211188859 U CN211188859 U CN 211188859U CN 201922085495 U CN201922085495 U CN 201922085495U CN 211188859 U CN211188859 U CN 211188859U
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- fire extinguishing
- battery
- battery box
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- gas
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Abstract
The utility model provides an automatic fire extinguishing device of an automobile power battery, which is arranged on a waterproof and dustproof airtight battery box, and a plurality of battery monomers are arranged in the battery box and comprise a fire extinguishing controller, an alarm bell, an inductor and a fire extinguishing bag; the fire extinguishing controller and the alarm bell are arranged above the top cover of the battery box; the fire extinguishing bag is arranged above the plurality of battery monomers, the fire extinguishing bag is connected with the fire extinguishing controller, and fire extinguishing gas is filled in the fire extinguishing bag; the sensor is arranged on the inner wall of the top cover of the battery box, is electrically connected with the fire extinguishing controller and the alarm bell, and comprises a gas sensor and a temperature sensor; when the sensor senses that the temperature rises, special gas or smoke is generated, a signal is transmitted, the alarm bell gives an alarm to remind a vehicle owner to take emergency measures, the fire extinguishing controller receives the signal and controls the fire extinguishing bag to release fire extinguishing gas, and the induction fire extinguishing is realized. The utility model discloses even ensure that even take place the accident at the battery box and catch fire, also can control the intensity of a fire effectively in the battery box, fall to minimum with harm degree.
Description
Technical Field
The utility model belongs to a battery device. In particular to an automatic fire extinguishing device for an automobile power battery.
Background
The development of pure electric vehicles or vehicles using electricity as main power in the modern society is very rapid in China, particularly in the last two years, so that the pure electric vehicles or vehicles are in leap explosion, but the new products are also in a leap explosion state, so that the safety and the reliability of power batteries are the first time. By means of messages gathered from the network: because the battery receives collision, high temperature, and the aspect such as charge time overlength leads to the phenomenon of car detonation, on fire to take place occasionally, if: the Anhui bus is on fire, and the reason is finally found out due to the fact that the battery is on fire; one electric car in Guangzhou stops on the roadside and spontaneously ignites because the circuit board of the battery is short-circuited to generate high temperature so as to cause spontaneous combustion, the safety problem of the electric car is very threatening the life and property safety of the car owner while the electric car is convenient, and most of the main causes of accidents are the battery.
Meanwhile, in China, no mandatory national requirements or definite national standards exist in terms of safety planning and management of power batteries of electric vehicles so far, and the method is undoubtedly a disadvantage in the aspect of use of electric vehicles. With some preliminary preparations of research and information collection, currently on electric buses there are extinguishing devices installed in the luggage compartment, while on electric passenger cars there are no extinguishing devices; and once power battery is on fire, rely on the extinguishing device in luggage compartment, can't put out the intensity of a fire that spreads, the above-mentioned Anhui bus is exactly the witness, if the potential safety hazard that does not have extinguishing device to bring will be bigger, people's life safety will receive bigger threat.
Disclosure of Invention
To the weak point among the prior art, the utility model provides an automatic fire extinguishing device of automobile power battery. The utility model has the characteristics of safe and reliable, can be with the intensity of a fire effective control in the battery box, can not endanger automobile body and human life safety.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
an automatic fire extinguishing device for an automobile power battery is arranged on a waterproof and dustproof sealed battery box, and a plurality of battery monomers are arranged in the battery box and comprise a fire extinguishing controller, an alarm bell, an inductor and a fire extinguishing bag;
the fire extinguishing controller and the alarm bell are arranged above the top cover of the battery box;
the fire extinguishing bag is placed above the plurality of battery monomers, the fire extinguishing bag is connected with the fire extinguishing controller, and fire extinguishing gas is filled in the fire extinguishing bag;
the sensor is arranged on the inner wall of the top cover of the battery box and is electrically connected with the fire extinguishing controller and the alarm bell, and the sensor comprises a gas sensor and a temperature sensor; when the sensor senses that the temperature rises, special gas or smoke is generated, a signal is transmitted, the alarm bell gives an alarm to remind a vehicle owner to take emergency measures, the fire extinguishing controller receives the signal and controls the fire extinguishing bag to release fire extinguishing gas, and the induction fire extinguishing is realized.
Further, still include the cooling band of putting out a fire, the serpentine bending of cooling band of putting out a fire is laid the clearance between a plurality of battery monomer, and the cooling band of putting out a fire is inside to be filled with deionized water.
Further, still include explosion-proof valve, explosion-proof valve sets up in the top cap top of battery box, and the inside and outside gaseous circulation of control battery box can prevent that battery box internal gas pressure is too high to lead to the explosion and isolated external.
Further, the fire extinguishing gas is a non-combustible gas, preferably nitrogen (N)2）。
Has the advantages that: the utility model discloses can be applied to car and other industry block terminals that use the battery as power, when battery or electronic box take place the short circuit, when accident such as being fired, play duplicate protection and reach the effect of putting out a fire. The range and intensity of danger are limited at the first time, the danger and the injury of the battery are reduced to the minimum, and the safety of people and property is protected to the maximum extent.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a control block diagram of the present invention.
In the figure, 1-battery box, 2-explosion-proof valve, 3-fire extinguishing controller, 4-alarm bell, 5-fire extinguishing bag, 6-inductor, 7-fire extinguishing cooling belt, 8-battery monomer, 61-gas inductor and 62-temperature inductor.
Detailed Description
The present invention is described below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
An automatic fire extinguishing device for an automobile power battery is arranged on a waterproof and dustproof sealed battery box 1 as shown in figures 1 and 2, and a plurality of battery monomers 8 are arranged in the battery box 1 and comprise an explosion-proof valve 2, a fire extinguishing controller 3, an alarm bell 4, an inductor 6, a fire extinguishing bag 5 and a fire extinguishing cooling belt 7;
the explosion-proof valve 2 is arranged above the top cover of the battery box 1, controls the circulation of gas inside and outside the battery box 1, and can prevent explosion caused by overhigh gas pressure in the battery box and isolate the outside; the fire extinguishing controller 3 and the alarm bell 4 are also arranged above the top cover of the battery box 1;
the fire extinguishing bag 5 is arranged above the plurality of battery monomers 8, and the fire extinguishing bag 5 is connected with the fire extinguishing controller 3; the fire extinguishing bag 5 is filled with fire extinguishing gas such as nitrogen (N)2) Or other stable non-flammable gas. By utilizing the stability of the battery box, fire and oxygen are isolated, so that the battery monomer 8 is completely sealed, the combustion of the battery monomer is prevented, and the danger is controlled in the battery box 1;
the sensor 6 is arranged on the inner wall of the top cover of the battery box 1 and is electrically connected with the fire extinguishing controller 3 and the alarm bell 4; the sensor 6 includes a gas sensor 61 and a temperature sensor 62; when the battery has special conditions, the sensor 6 senses that the temperature rises and special gas or smoke is generated, signals are transmitted, the alarm bell 4 gives an alarm to remind a vehicle owner of taking emergency measures, the fire extinguishing controller 3 receives the signals and controls the fire extinguishing bag 5 to release fire extinguishing gas, and induction fire extinguishing is realized;
the fire extinguishing cooling belt 7 is bent in a snake shape and laid in gaps among the plurality of battery monomers 8, and deionized water is filled in the fire extinguishing cooling belt 7; because the lithium ion battery does not contain mineral substances and anions, the short-circuit fault of the battery can not be caused, and meanwhile, the principle that the specific heat capacity of water is large is utilized when no dangerous case is met, the temperature of the battery can be well kept stable in a range, and the problem of overhigh temperature can be effectively prevented; if the fire extinguishing cooling zone 7 is burnt in a dangerous situation, the internal deionized water can leak out, the temperature is reduced, and induction fire extinguishing is assisted.
Specifically, the explosion-proof valve 2 is cylindrical, the fire extinguishing controller 3 is cuboid, and the alarm bell 4 is truncated cone-shaped; the explosion-proof valve 2 is arranged at one third of the left side of the top cover of the battery box 1; the fire extinguishing controller 3 is arranged at the upper right edge part of the top cover of the battery box 1; the alarm bell 4 is provided on the lower side of the fire extinguishing controller 3.
Three fire extinguishing modes are as follows:
(1) induction fire extinguishing: when the battery has special conditions, the sensor 6 (comprising the gas sensor 61 and the temperature sensor 62) senses that the temperature rises and special gas or smoke is generated, the sensor 6 immediately makes a response, transmits a signal, and the alarm bell 4 gives an alarm to remind a vehicle owner to make an emergency measure; the fire extinguishing controller 3 receives the signal and controls the fire extinguishing bag 5 to release nitrogen (N)2) Or other stable gas fire extinguishing gas is used for isolating fire from oxygen by using the stability of the fire extinguishing gas, so that the single battery 8 is completely sealed to prevent the single battery from burning, and the danger is controlled in the battery box 1;
(2) physical fire extinguishing: under the conditions that no power supply is arranged outside and the sensing fire extinguishing effect is achieved, if the battery is on fire, the shell material of the fire extinguishing bag is burnt and melted, and then fire extinguishing gas is directly released, and physical fire extinguishing is a fire extinguishing mode after the fire is already in a certain degree, but the danger is limited in the battery box;
(3) assisting in extinguishing fire: deionized water is filled in the fire extinguishing cooling zone 7; because the lithium ion battery does not contain mineral substances and anions, the short-circuit fault of the battery can not be caused, and meanwhile, the principle that the specific heat capacity of water is large is utilized when no dangerous case is met, the temperature of the battery can be well kept stable in a range, and the problem of overhigh temperature can be effectively prevented; if the fire extinguishing cooling zone 7 is burnt in a dangerous situation, the internal deionized water can leak out, the temperature is reduced, and induction fire extinguishing is assisted.
Claims (4)
1. The utility model provides an automobile power battery's automatic fire extinguishing device, sets up on waterproof dirt-proof airtight battery box, a plurality of battery monomers of arranging in the battery box, its characterized in that: comprises a fire extinguishing controller, an alarm bell, an inductor and a fire extinguishing bag;
the fire extinguishing controller and the alarm bell are arranged above the top cover of the battery box;
the fire extinguishing bag is placed above the plurality of battery monomers, the fire extinguishing bag is connected with the fire extinguishing controller, and fire extinguishing gas is filled in the fire extinguishing bag;
the sensor is arranged on the inner wall of the top cover of the battery box and is electrically connected with the fire extinguishing controller and the alarm bell, and the sensor comprises a gas sensor and a temperature sensor; when the sensor senses that the temperature rises, special gas or smoke is generated, a signal is transmitted, the alarm bell gives an alarm to remind a vehicle owner to take emergency measures, the fire extinguishing controller receives the signal and controls the fire extinguishing bag to release fire extinguishing gas, and the induction fire extinguishing is realized.
2. The automatic fire extinguishing apparatus for vehicle power battery according to claim 1, characterized in that: still include the cooling band of putting out a fire, the serpentine bending of cooling band of putting out a fire is laid the clearance between a plurality of battery monomer, and the cooling band of putting out a fire is inside to be filled with deionized water.
3. The automatic fire extinguishing apparatus for vehicle power batteries according to claim 1 or 2, characterized in that: still include the explosion-proof valve, the explosion-proof valve sets up in the top cap top of battery box, and the inside and outside gaseous circulation of control battery box can prevent that battery box internal gas pressure is too high to lead to the explosion and isolated external.
4. The automatic fire extinguishing apparatus for vehicle power battery according to claim 1, characterized in that: the fire extinguishing gas is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085495.3U CN211188859U (en) | 2019-11-28 | 2019-11-28 | Automatic fire extinguishing device for automobile power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085495.3U CN211188859U (en) | 2019-11-28 | 2019-11-28 | Automatic fire extinguishing device for automobile power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211188859U true CN211188859U (en) | 2020-08-07 |
Family
ID=71859281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922085495.3U Expired - Fee Related CN211188859U (en) | 2019-11-28 | 2019-11-28 | Automatic fire extinguishing device for automobile power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211188859U (en) |
-
2019
- 2019-11-28 CN CN201922085495.3U patent/CN211188859U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20211128 |