CN107019863A - Automatic fire extinguisher applied to automobile power cell - Google Patents
Automatic fire extinguisher applied to automobile power cell Download PDFInfo
- Publication number
- CN107019863A CN107019863A CN201710459741.XA CN201710459741A CN107019863A CN 107019863 A CN107019863 A CN 107019863A CN 201710459741 A CN201710459741 A CN 201710459741A CN 107019863 A CN107019863 A CN 107019863A
- Authority
- CN
- China
- Prior art keywords
- fire
- retardant
- power battery
- battery compartment
- motive power
- Prior art date
- 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
- A62C3/07—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
- A62C35/08—Containers destroyed or opened by bursting charge
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
Present invention is disclosed a kind of automobile motive power battery compartment automatic fire extinguishing system, including fire-retardant bag, signal adapter and G value sensors, wherein, it is fire-retardant to include outer layer utricule, internal layer utricule and gas generator, the accommodating chamber for accommodating fire retardant is formed between outer layer utricule and internal layer utricule, filling gas propellant in internal layer utricule, gas generator is in contact with gas-forming agent, and gas generator is connected with signal adapter.The present invention innovatively proposes fire-retardant bag, possesses the working characteristics for bursting and spraying fire retardant, can realize that moment is fire-retardant.When being on the hazard property of electrokinetic cell is hit, it moment can start fire-retardant bag, the blast of electrokinetic cell effectively be prevented, with explosion-resistance characteristic.Pass through the setting of fire-retardant bag and the dual fire extinguishing unit of fire extinguisher, it is ensured that the security of electrokinetic cell, so as to indirectly improve the personal safety of occupant.The dual setting of temperature value threshold values and crash values threshold values so that the electrokinetic cell security performance for employing automatic fire extinguisher is higher.
Description
Technical field
Filled the present invention relates to a kind of automatic fire extinguisher, more particularly to a kind of self-extinguishing applied to automobile power cell
Put, belong to the technical field of fire-extinguishing apparatus.
Background technology
The electrokinetic cell safeguard protection of new energy pure electric vehicle is a critically important safety problem, vehicle driving process
In, electrokinetic cell meeting output current simultaneously dissipates out heat.Closed working space causes the heat of persistent accumulation in power battery cabin
Amount can cause power battery cabin temperature to raise, and the wire harness in power battery cabin is distributed because of the temperature of itself plus electrokinetic cell
The high temperature of heat and environment, easily catches fire, and triggers fire.The critical component that fire can be not only damaged in power battery cabin, very
It can extremely cause casualties, there is serious potential safety hazard.
In view of the above-mentioned problems, Authorization Notice No. CN102512775B Chinese patent discloses automobile motive power battery compartment fire extinguishing
System, it includes the composition such as fire extinguisher, extinguishing chemical delivery pipe, temperature-sensitive element, and sets temperature pre-warning, and it passes through temperature-sensitive element energy
The temperature in power battery cabin is sensed, so as to realize that signal conversion and control fire extinguisher is put out a fire.
But, the threat source of electrokinetic cell is impacted except temperature also has, it is well known that current driving force battery is lithium electricity
Pond, lithium battery easily produces blast after being hit, and blast can occur in the short period of time, therefore, occurs in lithium battery
Temperature-sensitive element senses temperature change without the sufficient time before blast, so that cause fire extinguishing to be delayed, and blast is also resulted in
The control loop of temperature-sensitive element is damaged, and causes larger accident.
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, existing fire extinguishing system can not touching for electrokinetic cell
Hitting threat, there is provided the automatic fire extinguisher applied to automobile power cell.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of automobile motive power battery compartment automatic fire extinguishing system, including：
Fire-retardant bag, is arranged in automobile motive power battery compartment, for spraying fire retardant after self-destruction；
Signal adapter, is mutually electrically connected with the fire-retardant bag, for transmission of control signals；
G value sensors, are mutually electrically connected with the signal adapter, for detecting the crash values of automobile motive power battery compartment and will hit
Hit value and pass to the signal adapter；
Wherein, it is described it is fire-retardant include outer layer utricule, internal layer utricule and gas generator, the outer layer utricule and the internal layer capsule
Filling gas propellant, the gas generator in the accommodating chamber for accommodating the fire retardant, the internal layer utricule are formed between body
It is in contact with the gas-forming agent, and gas generator is connected with the signal adapter.
Further, a kind of above-mentioned automobile motive power battery compartment automatic fire extinguishing system, is characterized in, including plural number is respectively used to
Detect the G value sensors of automobile motive power battery compartment front side, rear side, left side, right side, top and bottom crash values.
Further, a kind of above-mentioned automobile motive power battery compartment automatic fire extinguishing system, is characterized in, the fire retardant is to have
Machine phosphorus fire retardant.
Yet further, a kind of above-mentioned automobile motive power battery compartment automatic fire extinguishing system, is characterized in, the organophosphor is fire-retardant
Agent at least includes the phosphonitrile of five fluorine ring of ethyoxyl three.
Yet further, a kind of above-mentioned automobile motive power battery compartment automatic fire extinguishing system, is characterized in, the fire-retardant bag is set
In the gap cross part of cell piece in the automobile motive power battery compartment.
Preferably, a kind of above-mentioned automobile motive power battery compartment automatic fire extinguishing system, is characterized in, the automobile motive power battery compartment
Temperature sensor is inside additionally provided with, is mutually electrically connected with the signal adapter, for detecting the temperature in automobile motive power battery compartment
And temperature value is passed into the signal adapter.
Further, a kind of above-mentioned automobile motive power battery compartment automatic fire extinguishing system, is characterized in, the automobile power cell
Provided with fire extinguisher and fire extinguishing delivery pipe in cabin, the fire extinguishing delivery pipe is connected with the spout of the fire extinguisher, the fire extinguisher
Mutually it is electrically connected with the signal adapter.
Further, a kind of above-mentioned automobile motive power battery compartment automatic fire extinguishing system, is characterized in, is provided with the automobile
Alarm, the alarm is mutually electrically connected with the signal adapter.
The beneficial effects are mainly as follows：
1. innovatively proposing fire-retardant bag, possess the working characteristics for bursting and spraying fire retardant, can realize that moment is fire-retardant.
2. employing G value sensors, when being on the hazard property of electrokinetic cell is hit, fire-retardant bag can be started moment, it is effectively anti-
The blast of stopping power battery, with explosion-resistance characteristic.
3. pass through the setting of fire-retardant bag and the dual fire extinguishing unit of fire extinguisher, it is ensured that the security of electrokinetic cell, so that
What is connect improves the personal safety of occupant.
4. the dual setting of temperature value threshold values and crash values threshold values so that employ the electrokinetic cell peace of automatic fire extinguisher
Full performance is higher.
Brief description of the drawings
Fig. 1 is structural representation of the present invention applied to the automatic fire extinguisher of automobile power cell.
Fig. 2 is structural representation of the present invention applied to fire-retardant bag in the automatic fire extinguisher of automobile power cell.
Embodiment
The present invention provides the automatic fire extinguisher applied to automobile power cell.Below in conjunction with accompanying drawing to the technology of the present invention side
Case is described in detail, so that it is more readily understood and grasped.
A kind of automobile motive power battery compartment automatic fire extinguishing system, as shown in figure 1, it includes fire-retardant bag 1, signal adapter 2 and G
It is worth sensor 3.
Fire-retardant bag 1 is arranged in automobile motive power battery compartment, for spraying fire retardant after self-destruction.
Specifically, as shown in Fig. 2 fire-retardant bag 1 includes outer layer utricule 11, internal layer utricule 12 and gas generator 13, outer layer
Filling gas propellant 5, gas in the accommodating chamber for accommodating fire retardant 4, internal layer utricule 12 are formed between utricule 11 and internal layer utricule 12
Body generator is in contact with gas-forming agent, and gas generator 13 is connected with signal adapter 2.
Explain, gas generator 13 carries out igniting startup, gas-forming agent meeting after chemical reaction produces a large amount of
Gas, expanded rapidly in internal layer utricule, so as to cause internal layer balloon dilatation, outer layer utricule expanded simultaneously, works as expansion
During to the limit, internal layer utricule and outer layer utricule is caused to burst, the fire retardant in accommodating chamber is injected on electrokinetic cell, is played in advance
The effect of starvation, so as to realize the effect of fire-retardant explosion arrestment, when being impacted, above procedure can be completed moment, effectively be prevented
The danger that electrokinetic cell blast is burned.Wherein, gas-forming agent can be NaN3 、KNO 3And SiO2Mixture, NaN3
Electric shock produces Na and N2, Na and KNO3Generate K2 0 、 Na 2O and N2 , final K2 O 、Na 2O and SiO2Generate the product that similar glass will not burst.
Refinement ground, fire retardant 4 can be 5 kinds of organophosphor system, nitrogen-containing compound, halocarbonate, silicon systems or composite flame-retardant agent,
The organic phosphorus flame retardant being preferred to use, more refinement ground, can use the phosphonitrile of five fluorine ring of ethyoxyl three, tricresyl phosphate（2,2,2- trifluoros
Ethyl）Ester（TFEP）, two（2,2,2- trifluoroethyls）Carbonic ester（TFEC）, di(2-ethylhexyl)phosphate Hydrogen amine（NH4H2PO4）.
Signal adapter 2 is mutually electrically connected with fire-retardant bag 1, for transmission of control signals；The signal adapter 2 is used to receive
Crash values or temperature value, and provided with threshold temperature and threshold values is hit in it, when the temperature value or crash values received exceedes it
When setting threshold values, signal adapter 2 will send enabling signal to gas generator, and gas generator carries out corresponding operating.Wherein
Threshold temperature is 180 DEG C, depending on hitting threshold values according to actual conditions.
G values sensor 3 is mutually electrically connected with signal adapter, for detecting the crash values of automobile motive power battery compartment and will hit
Hit value and pass to signal adapter 2.
Specifically, automatic fire extinguisher including plural number be respectively used to detection automobile motive power battery compartment front side, rear side, left side,
The G value sensors on right side, top and bottom crash values.G value sensors are arranged between power battery cabin and automobile frame.Sensing
Principle, i.e., when automobile receives external impact, relative certain due to being produced between effect of inertia meeting and vehicle frame of power battery cabin
Displacement, and shock equivalent can be sensed by the displacement, so as to send shock value signal.Certainly, it can be set in power battery cabin
Universal G values sensor, sets a circular cavity, and cavity sets the spherical G values sensor of free state, when any direction produces moment
During acceleration, G values sensor sensing to crash values.By above-mentioned plural G values sensor, can be achieved hit, knocked into the back, both sides
The shock early warning operation for situations such as being impacted, fall.
In order to increase the jeting effect for including fire retardant after the fire-retardant explosion of bag 1, it is arranged in automobile motive power battery compartment electric
The gap cross part of pond piece.The jeting effect of maximum can have been given play to by transverse and longitudinal gap, fire retardant is reached whole batteries
On piece, it is ensured that the safety of electrokinetic cell.Fire-retardant bag 1 mentioned by this paper not only one of which, its quantity is unrestricted, works as use
During multigroup fire-retardant bag, it can realize that signal instruction is synchronously arrived at using synchronizer.
Certainly, temperature sensor is additionally provided with automobile motive power battery compartment, is mutually electrically connected with signal adapter, for detecting
Temperature value is simultaneously passed to signal adapter by temperature in automobile motive power battery compartment, and temperature sensor belongs to prior art, therefore
Temperature sensor is eliminated in accompanying drawing.Temperature sensor can sense the temperature value in battery flat, when the temperature value in battery flat
During more than design temperature threshold values, signal adapter sends the enabling signal for starting fire-retardant bag.
To ensure the security of automobile, two groups of fire extinguishing units are set, one of which is above-mentioned fire-retardant in power battery cabin
Bag, another group is fire extinguisher, specifically, provided with fire extinguisher and fire extinguishing delivery pipe in automobile motive power battery compartment, fire extinguishing delivery pipe with
The spout of fire extinguisher is connected, and fire extinguisher is mutually electrically connected with signal adapter, and fire smothering gas and fire extinguishing delivery pipe also belong to existing
Technology, therefore eliminate diagram.When temperature value or crash values exceed threshold values, signal adapter sends enabling signal to resistance simultaneously
Combustion bag and fire extinguisher, fire-retardant bag explosion injection fire retardant, and fire extinguisher passes through delivery pipe spray fire extinguishing agent, double shield.
Finally, alarm is provided with automobile, alarm is mutually electrically connected with signal adapter, and alarm is eliminated in accompanying drawing
Diagram.When temperature value or crash values exceed threshold values, signal adapter can also send alarm signal to alarm, and alarm is carried
The occupant that wakes up carries out emergency evacuation.
By above description it can be found that the present invention is applied to the automatic fire extinguisher of automobile power cell, innovatively carry
Fire-retardant bag is gone out, has possessed the working characteristics for bursting and spraying fire retardant, can realize that moment is fire-retardant.G value sensors are employed, dynamic
When being on the hazard property of power battery is hit, it moment can start fire-retardant bag, the blast of electrokinetic cell effectively be prevented, with explosion-resistance characteristic.
Pass through the setting of fire-retardant bag and the dual fire extinguishing unit of fire extinguisher, it is ensured that the security of electrokinetic cell, so as to indirectly improve
The personal safety of occupant.The dual setting of temperature value threshold values and crash values threshold values so that employ the power of automatic fire extinguisher
Battery safety is higher.
Above technical scheme fully describe, it is necessary to explanation is, specific embodiment party of the invention
Formula is simultaneously not limited by the description set out above, one of ordinary skill in the art according to the present invention Spirit Essence structure, method or
Using all technical schemes formed by equivalents or equivalent transformation in terms of function, protection scope of the present invention is all fallen within
Within.
Claims (8)
1. a kind of automobile motive power battery compartment automatic fire extinguishing system, it is characterised in that including：
Fire-retardant bag, is arranged in automobile motive power battery compartment, for spraying fire retardant after self-destruction；
Signal adapter, is mutually electrically connected with the fire-retardant bag, for transmission of control signals；
G value sensors, are mutually electrically connected with the signal adapter, for detecting the crash values of automobile motive power battery compartment and will hit
Hit value and pass to the signal adapter；
Wherein, it is described it is fire-retardant include outer layer utricule, internal layer utricule and gas generator, the outer layer utricule and the internal layer capsule
Filling gas propellant, the gas generator in the accommodating chamber for accommodating the fire retardant, the internal layer utricule are formed between body
It is in contact with the gas-forming agent, and gas generator is connected with the signal adapter.
2. a kind of automobile motive power battery compartment automatic fire extinguishing system according to claim 1, it is characterised in that：Including plural number respectively
G value sensors for detecting automobile motive power battery compartment front side, rear side, left side, right side, top and bottom crash values.
3. a kind of automobile motive power battery compartment automatic fire extinguishing system according to claim 1, it is characterised in that：The fire retardant is
Organophosphorous fire retardant.
4. a kind of automobile motive power battery compartment automatic fire extinguishing system according to claim 3, it is characterised in that：The organophosphor resistance
Firing agent at least includes the phosphonitrile of five fluorine ring of ethyoxyl three.
5. a kind of automobile motive power battery compartment automatic fire extinguishing system according to claim 1, it is characterised in that：The fire-retardant bag is set
It is placed in the gap cross part of cell piece in the automobile motive power battery compartment.
6. a kind of automobile motive power battery compartment automatic fire extinguishing system according to claim 1, it is characterised in that：The automobile power
Temperature sensor is additionally provided with battery flat, is mutually electrically connected with the signal adapter, for detecting in automobile motive power battery compartment
Temperature and temperature value is passed into the signal adapter.
7. a kind of automobile motive power battery compartment automatic fire extinguishing system according to claim 1, it is characterised in that：The automobile power
Provided with fire extinguisher and fire extinguishing delivery pipe in battery flat, the fire extinguishing delivery pipe is connected with the spout of the fire extinguisher, described to go out
Firearm is mutually electrically connected with the signal adapter.
8. a kind of automobile motive power battery compartment automatic fire extinguishing system according to claim 1, it is characterised in that：Set in the automobile
There is alarm, the alarm is mutually electrically connected with the signal adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459741.XA CN107019863A (en) | 2017-06-16 | 2017-06-16 | Automatic fire extinguisher applied to automobile power cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459741.XA CN107019863A (en) | 2017-06-16 | 2017-06-16 | Automatic fire extinguisher applied to automobile power cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107019863A true CN107019863A (en) | 2017-08-08 |
Family
ID=59531485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459741.XA Pending CN107019863A (en) | 2017-06-16 | 2017-06-16 | Automatic fire extinguisher applied to automobile power cell |
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| Country | Link |
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| CN (1) | CN107019863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711326A (en) * | 2018-07-12 | 2020-01-21 | 奥迪股份公司 | Fire extinguishing system for a high-voltage battery of a motor vehicle and motor vehicle having a fire extinguishing system |
| WO2020024786A1 (en) * | 2018-07-30 | 2020-02-06 | 中国电力科学研究院有限公司 | Fire extinguishing method and fire extinguishing system for lithium ion battery, and electronic device and storage medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711326A (en) * | 2018-07-12 | 2020-01-21 | 奥迪股份公司 | Fire extinguishing system for a high-voltage battery of a motor vehicle and motor vehicle having a fire extinguishing system |
| US11083918B2 (en) | 2018-07-12 | 2021-08-10 | Audi Ag | Extinguishing system for a high-voltage battery of a motor vehicle and motor vehicle with an extinguishing system for a high-voltage battery |
| WO2020024786A1 (en) * | 2018-07-30 | 2020-02-06 | 中国电力科学研究院有限公司 | Fire extinguishing method and fire extinguishing system for lithium ion battery, and electronic device and storage medium |
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Application publication date: 20170808 |