CN203647914U - Fire extinguisher for aircraft fuel tank - Google Patents
Fire extinguisher for aircraft fuel tank Download PDFInfo
- Publication number
- CN203647914U CN203647914U CN201320863973.9U CN201320863973U CN203647914U CN 203647914 U CN203647914 U CN 203647914U CN 201320863973 U CN201320863973 U CN 201320863973U CN 203647914 U CN203647914 U CN 203647914U
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- CN
- China
- Prior art keywords
- fire
- fire extinguisher
- fuel tanker
- extinguishing chemical
- fuel
- 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.)
- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a fire extinguisher for an aircraft fuel tank. The fire extinguisher is arranged on the inner side of the upper surface of the aircraft fuel tank. The fire extinguisher comprises a fire-extinguishing agent storage tank, a connecting pipe, a valve, a detector, a valve controller and a spray head, wherein the connecting pipe is arranged on the side wall of one side, facing towards a containing space of the aircraft fuel tank, of the fire-extinguishing agent storage tank, the connecting pipe is communicated with the fire-extinguishing agent storage tank, the spray head is arranged on the other end of the connecting pipe, the valve is arranged inside the connecting pipe, the detector and the valve controller are arranged beside the connecting pipe and are electrically connected, the valve controller is connected with and controls the valve, and the mounting position of the spray head is higher than the liquid level height of fuel in the aircraft fuel tank. The fire extinguisher is capable of realizing the automatic detection, warning and automatic fire extinguishment control on the fire disaster of the aircraft fuel tank, short in fire fighting time and capable of controlling the fire in time, thus avoiding the economic loss and casualties due to explosion of the aircraft fuel tank, and having the economic benefits and social benefits.
Description
Technical field
The utility model belongs to extinguisher field, especially relates to a kind of fuel tanker fire extinguisher that can automatically control.
Background technology
Aircraft is with a large amount of aviation gasoline, aviation kerosine and lubricating oil in navigation, and these are all flammable liquids.So the oil mass that an airplane carries in the time of flight is equivalent to a small-sized oil tank.Once if fuel tank generation problem runs into burning things which may cause a fire disaster, thermal source or faint Mars and will cause burning or blast.Generally after fire occurs, within 1-2 minute, will form raging flames, aircraft is burnt, cause casualties.There is a large amount of combustible on aircraft that not only can ignite in fire, also can make the alloy material that part is not fired that fierce burning occurs, and fuselage is metal alloy structure, has good thermal conductivity, local each position that heat will be transmitted to rapidly to fuselage on fire.
Because aircraft fuel system damage is to be the most also the most serious potential danger, the survival ability that improves fuel tank is significant for the viability that improves complete machine.Fuel tank adopts wing and fuselage large area arrangement more, and fuel tank is almost all rapid wear to all micromechanism of damages.If effectively do not protect, fuel tank will become the primary factor of aircraft rapid wear.The kill mode of fuel tank is fuel tank catching fire and blast normally.The reason that causes fuel system fire mainly contains: fuel oil runs, emits, leaks, and fuel tank welding quality is bad, and the coupling parts such as valve are poorly sealed, makes fuel oil occur seepage; Fuel tank, oil pipe jolt and shake or clash into suddenly because of flight, cause fuel tank to occur cracking or oil pipe break; In the time of aircraft refuelling, interface is What people said does not agree with one another suitable, and interface is not gone up jail, and poorly sealed, fuel tank self-con-tained unit is malfunctioning, refuels excessive occur roof fall or petroleum pipeline cracking, fracture etc.; Oil is impure; Fuel oil produces static.In the time that the fuel-steam in the above space of fuel tank liquid level and air mixture are in explosion limit, receive that at fuel tank projectile hits, thunderbolt, while producing the situations such as static discharge and circuit for generating short circuit, existing in the situation of incendiary source, just there is burning or blast in fuel tanker most probably.
Aircraft fire occurs and development can be divided into four-stage: 1. first mist of oil catches fire, and continues 15-20 second; 2. seepage fuel oil catches fire, and gains in strength gradually; 3. about 2 minutes to the 5 minutes intensity of a fire will reach fierce degree; 4. along with the fuel oil of seepage is consumed gradually, the intensity of a fire reduces, and time expand is long.Fuel tanker fire extinguisher must fire extinguishing just can prevent fuel tank after-explosion on fire in 2 minutes.Fuel tanker fire extinguisher can be put out a fire in time, prevents fuel tank explosion, improves the security of aircraft, can also extend pilot's lifesaving time, makes pilot can in the situation that fuel tanker catches fire, have time enough parachute jumping or make a return voyage.In addition, fuel tanker fire extinguisher can also be protected aircraft under case of emergency.
Patent CN201094819Y discloses a kind of fighter fire extinguisher, is provided with fire extinguisher on fuselage, and described fire extinguisher nozzle is positioned at fuselage outer surface, and fire extinguisher control valve is electrically-controlled valve, and control valve is connected with the controller dial plate that is positioned at driving cabin.This extinguishing device is located at airframe, catches fire once fuel tank is hit by a bullet, and can start immediately fire extinguisher, makes extinguishing chemical be fan-shaped and is injected on fuselage, reaches the object of fire extinguishing.But this fire extinguisher is Artificial Control, needs the reaction time, once aircraft handling personnel do not find the condition of a fire in time, the condition of a fire will be exploded by rapid spread to fuel tanker.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, can realize the fuel tanker fire extinguisher of automatic control, this fire extinguisher is installed on fuel tanker inside, can realize the automatic monitoring to fuel tanker, once breaking out of fire dangerous situation can be controlled fire extinguishing automatically, fire is eliminated in bud to the loss of avoiding fire to cause.The utility model can greatly reduce the incidence of fuel tanker fire and the probability that fuel tanker is blasted.
The technical solution of the utility model is:
A kind of fuel tanker fire extinguisher, described fuel tanker fire extinguisher is arranged on fuel tanker upper surface inner side, wherein: described fuel tanker fire extinguisher comprises extinguishing chemical storage tank, tube connector, valve, detector, valve positioner and shower nozzle, described extinguishing chemical storage tank is provided with tube connector on the sidewall of fuel tanker spatial accommodation one side, tube connector is connected with extinguishing chemical storage tank, the other end of tube connector is provided with shower nozzle, described tube connector inside is provided with valve, other detector and the valve positioner of being provided with of described tube connector, between described detector and valve positioner, be electrically connected, described valve positioner connects and by-pass valve control, the installation site of described shower nozzle is higher than aircraft mailbox fuel oil level height.
If there is fire dangerous situation to occur in fuel tanker, must produce the phenomenons such as cigarette, warm, flame, according to these three kinds of physical phenomenons, produce again the feature of different above-mentioned physical phenomenons according to during Initial Stage of Fire catching fire material, different cigarette, hot temperature, photosensitive, flame, ultraviolet, infrared ray are installed in preparation, individual events such as fuel gas or be combined as detector, detector signal output is connected with valve positioner, and valve positioner connects and by-pass valve control.Detector monitors, after fire dangerous situation, passes to valve positioner by signal, and valve positioner by-pass valve control is opened, extinguishing chemical ejection, and a large amount of extinguishing chemicals cover rapidly on pasta isolated with air, play fire-retardant effect.The utility model fuel tanker fire extinguisher is controlled fire extinguishing rapidly in time automatically, can within 5-10 second, fire be eliminated in bud.
Described extinguishing chemical storage tank is cylindrical tube.
Described extinguishing chemical storage tank is provided with the filling hole of sealable extinguishing chemical.
Described tube connector is welded on described extinguishing chemical storage tank sidewall.
The center line of described cylindrical tube and fuel tanker upper surface be arranged in parallel.Described detector is the one in smoke detector, light sensation detector, temperature detector.
Extinguishing chemical described in the utility model is fire foam or halon extinguishing agent.
Fire foam is to put out a fire to save life and property the efficient fire-extinguishing chemical that has of flammable flammable liquid, and it is mainly the floatation of foam layer that generates cohesion at liquid surface, rises and suffocates and cooling effect.Alkyl halide extinguishing chemical claims again halogenated fire extinguishing agent, by the efficient Quick-gasifying liquid extinguisher of protium in one or more halogen substituted hydrocarbons.The chemical reaction process that alkyl halide extinguishing chemical mainly burns by inhibition, interrupts burning, reaches the object of fire extinguishing.Its effect is that the activity material by taking away in combustion chain reaction completes, and this process is called chain breaking process and process of inhibition, similar to powder extinguishing agent effect.Extinguishing chemical is pressed in extinguishing chemical storage tank by the filling hole of extinguishing chemical, when use due to the effect extinguishing chemical of pressure from nozzle with vaporific ejection, cover rapidly fuel oil liquid level.
Described extinguishing chemical storage tank is arranged on fuel tanker upper surface inner side by U-bolt.
The utility model adopts detector automatically to monitor, report to the police, automatically control fire extinguishing to the fire dangerous situation in fuel tanker.When detector monitors passes to valve positioner by electrical connection by signal after the condition of a fire, valve positioner is opened valve, and the extinguishing chemical in extinguishing chemical storage tank sprays by shower nozzle, automatically performs fire extinguishing.Shower nozzle is positioned at fuel tanker fuel oil level top can prevent that extinguishing chemical ejection from causing aflame fuel oil sputtering, causes combustion range to expand.Extend pilot's lifesaving time, make pilot can in the situation that fuel tanker catches fire, have time enough parachute jumping or make a return voyage.When damaged or other faults occur fuel tanker in aircraft landing process, also can open in advance fuel tanker fire extinguisher, the fuel oil in fuel tanker is covered with extinguishing chemical, fuel oil and air be completely cut off and prevent fuel tank generation combustion explosion in aircraft landing process.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, fuel tanker fire extinguisher can be realized automatic monitoring, warning, the control fire extinguishing automatically to fire, the fire fighting time is short, can control in time the intensity of a fire, avoid fuel tanker to blast and cause economic loss and casualties, having an economic benefit very much and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure:
1, extinguishing chemical storage tank 2, detector 3, valve
4, tube connector 5, shower nozzle 6, fuel tanker
7, U-bolt 8, nut 9, valve positioner
10, the filling hole of extinguishing chemical
The specific embodiment
As shown in Figure 1, a kind of fuel tanker fire extinguisher of the utility model, this fuel tanker fire extinguisher main body is the extinguishing chemical storage tank 1 of cylindrical tube body structure, be arranged in fuel tanker 6 top inner wall by U-bolt 7 and nut 8, extinguishing chemical storage tank 1 tank body center line parallels with the upper surface of fuel tanker 6.One group of above tube connector 4 is housed on extinguishing chemical storage tank 1, valve 3, detector 2, valve positioner 9 and shower nozzle 5, tube connector 4 is directly installed on extinguishing chemical storage tank 1 tank body on the sidewall of fuel tanker 6 spatial accommodation one sides, and tube connector 4 is communicated with extinguishing chemical storage tank 1, the other end of tube connector 4 is equipped with shower nozzle 5, the position that shower nozzle 5 is installed is higher than fuel tanker 6 fuel oil levels, valve 3 is equipped with in tube connector 4 inside, detector 2 and valve positioner 9 are equipped with in tube connector 4 sides, between detector 2 and valve positioner 9, be electrically connected, valve positioner 9 connects and by-pass valve control 3.Every group of tube connector 4, valve 3, detector 2, valve positioner 9 and shower nozzle 5 are uniformly distributed on extinguishing chemical storage tank 1.On extinguishing chemical storage tank 1 tank body, be also provided with the filling hole 10 of sealable extinguishing chemical, can repeat to supplement extinguishing chemical by the filling hole 10 of extinguishing chemical.Detector 2 can be the one in smoke detector, light sensation detector, temperature detector.Interior the filled extinguishing chemical of extinguishing chemical storage tank 1 can be fire foam or halon extinguishing agent.
The course of work of this example: fuel tanker fire extinguisher is arranged on fuel tanker 6 inside top, carries out installation exercise so staff need to enter into fuel tanker 6 inside.Extinguishing chemical is pressed in extinguishing chemical storage tank 1 by the filling hole 10 of extinguishing chemical.When the work of fuel tanker fire extinguisher, open detector 2, the state in fuel tanker 6 is carried out to auto-real-time monitoring.Once the generation condition of a fire, signal is passed to valve positioner 9 by detector 2, and valve positioner 9 by-pass valve controls 3 are opened, and the extinguishing chemical in extinguishing chemical storage tank 1 is vaporific ejection from shower nozzle 5, rapidly pasta covered, and stops the fuel oil in fuel tanker 6 to burn away.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (8)
1. a fuel tanker fire extinguisher, described fuel tanker fire extinguisher is arranged on fuel tanker upper surface inner side, it is characterized in that: described fuel tanker fire extinguisher comprises extinguishing chemical storage tank, tube connector, valve, detector, valve positioner and shower nozzle, described extinguishing chemical storage tank is provided with tube connector on the sidewall of fuel tanker spatial accommodation one side, tube connector is connected with extinguishing chemical storage tank, the other end of tube connector is provided with shower nozzle, described tube connector inside is provided with valve, other detector and the valve positioner of being provided with of described tube connector, between described detector and valve positioner, be electrically connected, described valve positioner connects and by-pass valve control, the installation site of described shower nozzle is higher than aircraft mailbox fuel oil level height.
2. fuel tanker fire extinguisher according to claim 1, is characterized in that: described extinguishing chemical storage tank is cylindrical tube.
3. fuel tanker fire extinguisher according to claim 1, is characterized in that: described extinguishing chemical storage tank is provided with the filling hole of sealable extinguishing chemical.
4. fuel tanker fire extinguisher according to claim 1, is characterized in that: described tube connector is welded on described extinguishing chemical storage tank sidewall.
5. fuel tanker fire extinguisher according to claim 2, is characterized in that: the center line of described cylindrical tube and fuel tanker upper surface be arranged in parallel.
6. fuel tanker fire extinguisher according to claim 1, is characterized in that: described detector is the one in smoke detector, light sensation detector, temperature detector.
7. fuel tanker fire extinguisher according to claim 1, is characterized in that: described extinguishing chemical is fire foam or halon extinguishing agent.
8. fuel tanker fire extinguisher according to claim 1, is characterized in that: described extinguishing chemical storage tank is arranged on fuel tanker upper surface inner side by U-bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863973.9U CN203647914U (en) | 2013-12-25 | 2013-12-25 | Fire extinguisher for aircraft fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863973.9U CN203647914U (en) | 2013-12-25 | 2013-12-25 | Fire extinguisher for aircraft fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203647914U true CN203647914U (en) | 2014-06-18 |
Family
ID=50914357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863973.9U Expired - Fee Related CN203647914U (en) | 2013-12-25 | 2013-12-25 | Fire extinguisher for aircraft fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203647914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771866A (en) * | 2019-03-06 | 2019-05-21 | 北京理工大学 | Automatic fire extinguisher and enging cabin with it |
| CN113648562A (en) * | 2021-08-17 | 2021-11-16 | 朱海龙 | Fire fighting system for gas supply equipment |
-
2013
- 2013-12-25 CN CN201320863973.9U patent/CN203647914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771866A (en) * | 2019-03-06 | 2019-05-21 | 北京理工大学 | Automatic fire extinguisher and enging cabin with it |
| CN113648562A (en) * | 2021-08-17 | 2021-11-16 | 朱海龙 | Fire fighting system for gas supply equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20161225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |