CN101947373A - Automatic fire extinguishing system for vehicles - Google Patents

Automatic fire extinguishing system for vehicles Download PDF

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Publication number
CN101947373A
CN101947373A CN 201010267255 CN201010267255A CN101947373A CN 101947373 A CN101947373 A CN 101947373A CN 201010267255 CN201010267255 CN 201010267255 CN 201010267255 A CN201010267255 A CN 201010267255A CN 101947373 A CN101947373 A CN 101947373A
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processing unit
signal processing
fire extinguishing
automatic fire
output
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Chinese (zh)
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华伟
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华伟
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Abstract

The invention relates to an automatic fire extinguishing system for vehicles, which comprises a power supply, an engine temperature detecting module, a signal processing unit and an automatic fire extinguisher, wherein the power supply is respectively connected with power ends of the engine temperature detecting module, the signal processing unit and the automatic fire extinguisher; the engine temperature detecting module is connected with the input end of the signal processing unit; the automatic fire extinguisher is connected with the output end of the signal processing unit; the engine temperature detecting module is used for detecting the temperature of a vehicle engine and transmitting a temperature value into the signal processing unit; the signal processing unit is used for receiving and analyzing the temperature value inputted by the engine temperature detecting module; and when the temperature detected by the engine temperature detecting module is larger than the temperature value set in the signal processing unit, outputting a fire extinguishing signal to the automatic fire extinguisher by the signal processing unit to enable the automatic fire extinguisher to spray fire extinguishing agents towards the vehicle engine. The system has the advantages of simple structure, convenient use, low cost, safety and reliability.

Description

Automobile-used automatic fire extinguishing system
Technical field
The present invention relates to a kind of automatic fire extinguishing system, especially a kind of automobile-used automatic fire extinguishing system belongs to the technical field that automotive safety is controlled.
Background technology
China's living standards of the people have arrived auto age now, and automobile particularly car has entered into huge numbers of families.Along with accelerating the urbanization transformation, bus quantity also presents how much levels and increases simultaneously.The automobile burning accident is also increasing.Automobile fire is disguised strong, and it is difficult to find, the difficulty of putting out a fire to save life and property, and loss is big.
At present, existing no longer adapt to current living needs as main fire extinguishing means with the fire extinguishing of car fire-suppression bottle, is badly in need of a kind of reliable, intelligence, safe extinguishing device.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of automobile-used automatic fire extinguishing system is provided, it is simple in structure, and is easy to use, with low cost, safe and reliable.
According to technical scheme provided by the invention, described automobile-used automatic fire extinguishing system comprises power supply, engine temperature detection module, signal processing unit and Automatic Fire Extinguisher; Described power supply links to each other with the power end of engine temperature detection module, signal processing unit and Automatic Fire Extinguisher respectively; The engine temperature detection module links to each other with the input of signal processing unit, and Automatic Fire Extinguisher links to each other with the output of signal processing unit; The engine temperature detection module is used to detect the temperature of automobile engine, and described temperature value is transferred in the signal processing unit; Signal processing unit receives and analyzes the temperature value of engine temperature detection module input, when temperature value that temperature that the engine temperature detection module detects is set in greater than signal processing unit, signal processing unit makes Automatic Fire Extinguisher to the automobile engine spray fire extinguishing agent to Automatic Fire Extinguisher output fire extinguishing signal.
Described engine temperature detection module is a bimetallic temperature sensor.When the temperature that detects automobile engine when the engine temperature detection module was 145~155 ℃, signal processing unit made Automatic Fire Extinguisher to the automobile engine spray fire extinguishing agent to Automatic Fire Extinguisher output fire extinguishing signal.
Described Automatic Fire Extinguisher comprises helitank and is positioned at the fire extinguishing magnetic valve of helitank output that described fire extinguishing magnetic valve links to each other with the output of signal processing unit; Signal processing unit is to fire extinguishing magnetic valve output fire extinguishing signal, and the fire extinguishing magnetic valve is opened, and the extinguishing chemical in the helitank is injected on the automobile engine.
The input of described signal processing unit also is provided with the cable temperature detection module, and the output of signal processing unit links to each other with the battery circuit protection module; Described accumulator protecting module comprises protective relay, and the coil of described protective relay links to each other with the output of signal processing unit, and the normally-closed contact of protective relay links to each other with the electrode of battery; The cable temperature detection module detects the cable temperature on the battery, and is transferred to signal processing unit; When the temperature of cable temperature detection module detection streamer was 145~155 ℃, signal processing unit was to the protective relay output circuit guard signal of accumulator protecting module, disconnected being connected of automobile circuit and battery by protective relay.
The output of described signal processing unit also links to each other with the fuel pipe protection module, and described fuel pipe protection module comprises that fuel oil closes magnetic valve, and described fuel oil is closed the output that magnetic valve is positioned at fuel tank, and links to each other with the output of signal processing unit; When signal processing unit during to Automatic Fire Extinguisher output fire extinguishing signal, signal processing unit is closed magnetic valve output fuel oil guard signal to the fuel oil of fuel pipe protection module simultaneously, closes the oil circuit of closed electromagnetic valve fuel tank by fuel oil.
The input of described signal processing unit also is provided with the air bag state detection module, and described air bag state detection module comprises first lead and second lead, and an end of described first lead is provided with first connector, and an end of second lead is provided with second connector; First lead and second lead are electrically connected by first connector and second connector; First lead, first connector, second lead and second connector are placed on the air bag, and closely contact with air bag; First lead or second lead link to each other with the input of signal processing unit; Form the closed-loop path between first lead, second lead, signal processing unit and power supply; When first connector and the disconnection of second connector, signal processing unit makes Automatic Fire Extinguisher to the automobile engine spray fire extinguishing agent to Automatic Fire Extinguisher output fire extinguishing signal.
The input of described signal processing unit also links to each other with hand switch in the car; During hand switch, signal processing unit receives the triggering signal of hand switch in the car in opening car, and to Automatic Fire Extinguisher output fire extinguishing signal, makes Automatic Fire Extinguisher to the automobile engine spray fire extinguishing agent.
The input of described signal processing unit also links to each other with the outer manually switch of car, outside opening car manually during switch, signal processing unit receives the outer manually triggering signal of switch of car, and to Automatic Fire Extinguisher output fire extinguishing signal, makes Automatic Fire Extinguisher to the automobile engine spray fire extinguishing agent.Described signal processing unit is single-chip microcomputer, DSP, ARM or other microprocessors.
Advantage of the present invention: the engine temperature detection module is used to detect the temperature value of automobile engine, and signal processing unit receives described temperature value, and compares with set temperature value; When engine temperature is higher, can assert that engine can cause fire, signal processing unit by Automatic Fire Extinguisher to the automobile engine spray fire extinguishing agent, the fire extinguishing of lowering the temperature; Signal processing unit can also avoid causing bigger disaster hidden-trouble by the power supply of closing automobile circuit and the pipeline road of automobile.Simultaneously, hand switch and the outer manually switch of car in the car are set also, when outside hand switch or the car in the manual triggers car during manual switch, signal processing unit also can make Automatic Fire Extinguisher to the automobile engine fire extinguishing of lowering the temperature; Simple in structure, cost is low, can carry out multi-stage protection, and is applied widely, safe and reliable.
Description of drawings
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 is the structural representation of air bag state detection module of the present invention.
Fig. 3 is the airbag-releasing of the present invention structural representation of moment.
Fig. 4 is the structural representation behind the airbag-releasing of the present invention.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As Fig. 1~shown in Figure 4: the present invention includes hand switch 6, cable temperature detection module 7, engine temperature detection module 8, power supply 9, air bag state detection module 10, first lead 11, first connector 12, second connector 13, air bag 14 and second lead 15 in signal processing unit 1, Automatic Fire Extinguisher 2, fuel pipe protection module 3, battery circuit protection module 4, car outer manually switch 5, the car.
As shown in Figure 1: the input of described signal processing unit 1 links to each other with engine temperature detection module 8, and the output Automatic Fire Extinguisher 2 of signal processing unit 1 and fuel pipe protection module 3 link to each other.Automobile reason on fire is generally: circuit is aging or maintain the improper short trouble that causes, oil plant and leak the back and meet in the car high-temperature component or electric spark (the particularly extreme temperatures of automobile engine) or oil plant leakage rate and fire when big; Therefore for fear of the automobile breaking out of fire, prevent trouble before it happens, just need the temperature of automobile engine be detected.Engine temperature detection module 8 is a bimetallic temperature sensor, and engine temperature detection module 8 is installed in the top of automobile engine, is used for the temperature of automobile engine is detected in real time.Engine temperature detection module 8 is transferred to the temperature value that detects in the signal processing unit 1, and signal processing unit 1 receives the temperature value of described automobile engine, and compares with the temperature threshold of setting in the signal processing unit 1; When the temperature value of engine temperature detection module 8 detections is higher than the temperature threshold of signal processing unit 1 setting, signal processing unit 1 is to Automatic Fire Extinguisher 2 output fire extinguishing signals, make Automatic Fire Extinguisher 2 to the automobile engine spray fire extinguishing agent, thereby can lower the temperature to automobile engine, fire extinguishing, avoid the automobile engine temperature too high, cause fire.The temperature threshold of setting in the signal processing unit 1 is 145~155 ℃, when the temperature of automobile engine is in 145~155 ℃, just can think that the automobile engine temperature is too high, need lower the temperature to the temperature of automobile engine, when fire takes place, can put out a fire to automobile engine.Automatic Fire Extinguisher 2 comprises helitank and is positioned at the fire extinguishing magnetic valve of described helitank output that described fire extinguishing magnetic valve is a normal closed gate; Described fire extinguishing magnetic valve links to each other with the output of signal processing unit 1; Behind signal processing unit 1 output fire extinguishing signal, signal processing unit 1 magnetic valve of will put out a fire is opened, and the interior extinguishing chemical of helitank can be ejected on the automobile engine.Fuel pipe protection module 3 comprises that fuel oil closes magnetic valve, and described fuel oil is closed the output that magnetic valve is positioned at fuel tank, and it is normally open valve that fuel oil is closed magnetic valve; During operate as normal, the fuel oil in the fuel tank can be closed magnetic valve by fuel oil and outwards be exported.When signal processing unit 1 during to Automatic Fire Extinguisher 2 output fire extinguishing signals; can be simultaneously to fuel pipe protection module 3 output fuel oil shutdown signals; be that signal processing unit 1 is closed magnetic valve output fuel oil shutdown signal to fuel oil; make fuel oil close magnetic valve and become closure state, stop the fuel oil in the fuel tank is exported by normally open.By fire extinguishing that automobile engine is lowered the temperature, and the fuel oil in the fuel tank closed, it is safe and reliable to guarantee that automobile uses.
The input of described signal processing unit 1 also links to each other with cable temperature detection module 7, and the output of signal processing unit 1 links to each other with battery circuit protection module 4.Described cable temperature detection module 7 also is a bimetallic temperature sensor, and cable temperature detection module 7 is installed in the top of automobile storage battery, is used to detect the temperature of automobile storage battery cable.Battery is used to the control system in the automobile that working power is provided; When the cable temperature on the battery is too high, can influence the safety of automobile circuit.Cable temperature detection module 7 is transferred to the cable temperature that detects in the signal processing unit 1; be provided with the threshold value of cable temperature in the signal processing unit 1; when the cable temperature value was higher than preset threshold, signal processing unit 1 will be to battery circuit protection module 4 output circuit guard signals.Described battery circuit protection module 4 comprises protective relay, and the coil of described protective relay links to each other with the output of signal processing unit 1, and the normally-closed contact of protective relay links to each other with battery circuit.When signal processing unit 1 during to protective relay output circuit guard signal, the coil of protective relay gets electric, and the normally-closed contact of protective relay disconnects, and makes the control circuit disconnection in battery and the automobile, thereby circuit in the automobile is protected.The threshold value of setting cable temperature in the signal processing unit 1 is 145~155 ℃; When the cable temperature of battery side reached above-mentioned threshold value, signal processing unit 1 just can make the normally-closed contact of protective relay disconnect.
The input of described signal processing unit 1 also is provided with hand switch 6 and the outer manually switch 5 of car in the car, and hand switch 6 is installed on the vehicle steering in the described car, and the outer manually switch 5 of car can be installed in automobile tail.In opening car outside hand switch 6 or the car manually during switch 5; the outer manually switch 5 of hand switch 6 or car can be to signal processing unit 1 output fire extinguishing signal in the car; signal processing unit 1 will make Automatic Fire Extinguisher 2 or 3 actions of fuel pipe protection module; thereby to the automobile engine fire extinguishing of lowering the temperature, the pipeline road of closing automobile simultaneously.Described signal processing unit 1 can be single-chip microcomputer, DSP (digital signal processor), ARM (Advanced RISC Machines) or other microprocessors.In order to allow the automatic fire extinguishing system can continuous firing, the battery in described power supply 9 and the automobile be as there being independently power supply simultaneously.The power end of hand switch 6, cable temperature detection module 7, engine temperature detection module 8 and air bag state detection module 10 links to each other in described power supply 9 and signal processing unit 1, Automatic Fire Extinguisher 2, fuel pipe protection module 3, battery circuit protection module 4, car outer manually switch 5, the car.
Air bag state detection module 10 links to each other with the input of signal processing unit 1.As Fig. 2~shown in Figure 4: be the structural representation of air bag state detection module 10 of the present invention.Described air bag state detection module 10 comprises first lead 11 and second lead 15; The end that one end of described first lead 11 is provided with first connector, 12, the second leads 15 is provided with second connector 13; First connector 12 and the 13 corresponding cooperations of second connector are electrically connected first lead 11 and second lead 15.First lead 11, first connector 12, second lead 15 and second connector 13 all are placed on the air bag 14, and closely contact mutually with air bag 14.Described first lead 11 links to each other with power supply 9 corresponding to the other end that first connector 12 is set, second lead 15 reads that the other end that English is provided with second connector 13 links to each other with the input of signal processing unit 1 or second lead 15 links to each other with power supply 9 corresponding to the other end that second connector 13 is set, and first lead 11 links to each other corresponding to the input of the other end that first connector 12 is set with signal processor 1.As shown in Figure 3 and Figure 4: for air bag 14 open moment and open after structural representation.When air bag 14 is opened; the active force that air bag 14 expands; first connector 12 and second connector 13 are disconnected; thereby the loop of 1 of first lead 11 and second lead 15 and signal processing unit is disconnected; signal processor 1 makes Automatic Fire Extinguisher 2 or 3 actions of fuel pipe protection module according to the state of air bag 14, and automobile engine is carried out spray fire extinguishing agent; stop the oil transportation of fuel pipe, guarantee the safe in utilization of automobile.
As Fig. 1~shown in Figure 4: during use, cable temperature detection module 7 and engine temperature detection module 8 detect the cable temperature on the battery and the temperature of automobile engine respectively; Fire extinguishing magnetic valve on the Automatic Fire Extinguisher 2 is a normally off, and the fuel oil of fuel pipe protection module 3 is closed magnetic valve and is in normally open, and the corresponding normally-closed contact of the protective relay of battery circuit protection module 4 is serially connected in the battery circuit.When engine temperature detection module 8, signal processing unit 1 is just to Automatic Fire Extinguisher 2 output fire extinguishing signals, to fuel pipe protection module 3 output fuel pipe shutdown signals; Automatic Fire Extinguisher 2 is according to the fire extinguishing signal, and the fire extinguishing magnetic valve is opened, and the extinguishing chemical in the helitank is ejected on the automobile engine, has avoided the temperature of automobile engine too high; The fuel oil of while fuel pipe protection module 3 is closed magnetic valve and is become normally off, and the fuel oil in the fuel tank can not enter fuel delivery line, stops the conveying of fuel oil, has removed the hidden danger of fuel oil blast.When the temperature that detects respectively when cable temperature detection module 7 is 145~155 ℃; the temperature value that signal processor 1 detects according to cable temperature detection module 7; to battery circuit protection module 4 output circuit guard signals; be serially connected in the battery circuit normally-closed contact of protective relay and open, disconnect battery and be connected with the power supply of automotive control circuit.When the air bag in the automobile 14 is opened; first connector 12 and second connector 13 disconnect; signal processor 1 can testing circuit disconnection; and, make Automatic Fire Extinguisher 2, fuel pipe protection module 3 and 4 actions of battery circuit protection module to Automatic Fire Extinguisher 2, fuel pipe protection module 3 and battery circuit protection module 4 output control signal corresponding.When thinking when observing disaster hidden-trouble, can also make Automatic Fire Extinguisher 2, fuel pipe protection module 3 and 4 actions of battery circuit protection module by hand switch 6 in the car or the outer manually switch 5 triggering signal processing units 1 of car, safe and reliable.
Engine temperature detection module 8 of the present invention is used to detect the temperature value of automobile engine, and signal processing unit 1 receives described temperature value, and compares with set temperature value; When engine temperature is higher, can assert that engine can cause fire, signal processing unit 1 is by 2 pairs of automobile engine spray fire extinguishing agents of Automatic Fire Extinguisher, the fire extinguishing of lowering the temperature; Signal processing unit 1 can also avoid causing bigger disaster hidden-trouble by the power supply of closing automobile circuit and the pipeline road of automobile.Simultaneously, hand switch 6 and the outer manually switch 5 of car in the car are set also, when hand switch 6 or car in the manual triggers car outside during manual switch 5, signal processing unit 1 also can make the fire extinguishing of lowering the temperature of 2 pairs of automobile engines of Automatic Fire Extinguisher; Simple in structure, cost is low, can carry out multi-stage protection, and is applied widely, safe and reliable.

Claims (9)

1. an automobile-used automatic fire extinguishing system is characterized in that: comprise power supply (9), engine temperature detection module (8), signal processing unit (1) and Automatic Fire Extinguisher (2); Described power supply (9) links to each other with the power end of engine temperature detection module (8), signal processing unit (1) and Automatic Fire Extinguisher (2) respectively; Engine temperature detection module (8) links to each other with the input of signal processing unit (1), and Automatic Fire Extinguisher (2) links to each other with the output of signal processing unit (1); Engine temperature detection module (8) is used to detect the temperature of automobile engine, and described temperature value is transferred in the signal processing unit (1); Signal processing unit (1) receives and analyzes the temperature value of engine temperature detection module (8) input, when temperature value that temperature that engine temperature detection module (8) detects is set in greater than signal processing unit (1), signal processing unit (1) is to Automatic Fire Extinguisher (2) the output signal of putting out a fire.
2. automobile-used automatic fire extinguishing system according to claim 1 is characterized in that: described engine temperature detection module (8) is a bimetallic temperature sensor.
3. automobile-used automatic fire extinguishing system according to claim 1 is characterized in that: described Automatic Fire Extinguisher (2) comprises helitank and is positioned at the fire extinguishing magnetic valve of helitank output that described fire extinguishing magnetic valve links to each other with the output of signal processing unit (1); Signal processing unit (1) is to fire extinguishing magnetic valve output fire extinguishing signal, and the fire extinguishing magnetic valve is opened, and the extinguishing chemical in the helitank is injected on the automobile engine.
4. automobile-used automatic fire extinguishing system according to claim 1 is characterized in that: the input of described signal processing unit (1) also is provided with cable temperature detection module (7), and the output of signal processing unit (1) links to each other with battery circuit protection module (4); Described accumulator protecting module (4) comprises protective relay, and the coil of described protective relay links to each other with the output of signal processing unit (1), and the normally-closed contact of protective relay links to each other with the electrode of battery; Cable temperature detection module (7) detects the cable temperature on the battery, and is transferred to signal processing unit (1); Signal processing unit (1) is to the protective relay output circuit guard signal of accumulator protecting module (4), disconnects being connected of automobile circuit and battery by protective relay.
5. automobile-used automatic fire extinguishing system according to claim 1, it is characterized in that: the output of described signal processing unit (1) also links to each other with fuel pipe protection module (3), described fuel pipe protection module (3) comprises that fuel oil closes magnetic valve, described fuel oil is closed the output that magnetic valve is positioned at fuel tank, and links to each other with the output of signal processing unit (1); When signal processing unit (1) during to Automatic Fire Extinguisher (2) output fire extinguishing signal, signal processing unit (1) is closed magnetic valve output fuel oil guard signal to the fuel oil of fuel pipe protection module (3) simultaneously, closes the oil circuit of closed electromagnetic valve fuel tank by fuel oil.
6. automobile-used automatic fire extinguishing system according to claim 1, it is characterized in that: the input of described signal processing unit (1) also is provided with air bag state detection module (10), described air bag state detection module (10) comprises first lead (11) and second lead (15), one end of described first lead (11) is provided with first connector (12), and an end of second lead (15) is provided with second connector (13); First lead (11) is electrically connected by first connector (12) and second connector (13) with second lead (15); First lead (11), first connector (12), second lead (15) and second connector (13) are placed on the air bag (14), and closely contact with air bag (14); First lead (11) or second lead (15) link to each other with the input of signal processing unit (1); Form the closed-loop path between first lead (11), second lead (15), signal processing unit (1) and power supply (9); When first connector (12) disconnected with second connector (13), signal processing unit (1) was to Automatic Fire Extinguisher (2) output fire extinguishing signal.
7. automobile-used automatic fire extinguishing system according to claim 1 is characterized in that: the input of described signal processing unit (1) also links to each other with hand switch (6) in the car; During hand switch in opening car (6), signal processing unit (1) receives the triggering signal of hand switch (6) in the car, and to Automatic Fire Extinguisher (2) output fire extinguishing signal.
8. automobile-used automatic fire extinguishing system according to claim 1, it is characterized in that: the input of described signal processing unit (1) also links to each other with the outer manually switch (5) of car, outside opening car manually during switch (5), signal processing unit (1) receives the outer manually triggering signal of switch (5) of car, and to Automatic Fire Extinguisher (2) output fire extinguishing signal.
9. automobile-used automatic fire extinguishing system according to claim 1 is characterized in that: described signal processing unit (1) is single-chip microcomputer, DSP, ARM or microprocessor.
CN 201010267255 2010-08-25 2010-08-25 Automatic fire extinguishing system for vehicles Pending CN101947373A (en)

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN102166396A (en) * 2011-05-10 2011-08-31 刘前伦 Manual and automatic integrated fire extinguishing device for public transit
CN102784446A (en) * 2012-08-29 2012-11-21 刘立文 Anti-explosion automatic fire-extinguishing system for passenger car
CN102872555A (en) * 2012-10-24 2013-01-16 安徽江淮汽车股份有限公司 Device and method for preventing spontaneous combustion of passenger car
CN104260895A (en) * 2014-09-19 2015-01-07 苏州天益航空科技有限公司 Fire retardant device of agricultural plant protection unmanned aerial vehicle
CN104474649A (en) * 2014-12-19 2015-04-01 黄金佩 Fire extinguishing system for automobile
CN104780981A (en) * 2012-09-23 2015-07-15 泰科消防产品有限合伙公司 Fire suppression systems and methods
CN109260627A (en) * 2018-10-10 2019-01-25 尹华军 A kind of anti-explosion fire battery pack device and extinguishment control system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102166396A (en) * 2011-05-10 2011-08-31 刘前伦 Manual and automatic integrated fire extinguishing device for public transit
CN102166396B (en) * 2011-05-10 2013-07-10 刘前伦 Manual and automatic integrated fire extinguishing device for public transit
CN102784446A (en) * 2012-08-29 2012-11-21 刘立文 Anti-explosion automatic fire-extinguishing system for passenger car
CN104780981B (en) * 2012-09-23 2018-10-23 泰科消防产品有限合伙公司 Fire extinguishing system and method
CN104780981A (en) * 2012-09-23 2015-07-15 泰科消防产品有限合伙公司 Fire suppression systems and methods
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CN104260895A (en) * 2014-09-19 2015-01-07 苏州天益航空科技有限公司 Fire retardant device of agricultural plant protection unmanned aerial vehicle
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CN104474649A (en) * 2014-12-19 2015-04-01 黄金佩 Fire extinguishing system for automobile
CN109260627A (en) * 2018-10-10 2019-01-25 尹华军 A kind of anti-explosion fire battery pack device and extinguishment control system

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Application publication date: 20110119