CN108382601A - A kind of unmanned plane protective device of fuel tank - Google Patents

A kind of unmanned plane protective device of fuel tank Download PDF

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Publication number
CN108382601A
CN108382601A CN201810287488.9A CN201810287488A CN108382601A CN 108382601 A CN108382601 A CN 108382601A CN 201810287488 A CN201810287488 A CN 201810287488A CN 108382601 A CN108382601 A CN 108382601A
Authority
CN
China
Prior art keywords
fuel tank
unmanned plane
cross bar
line pipe
airbag
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.)
Pending
Application number
CN201810287488.9A
Other languages
Chinese (zh)
Inventor
王立发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Creative Technology Ltd Of Guizhou
Original Assignee
Creative Technology Ltd Of Guizhou
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Creative Technology Ltd Of Guizhou filed Critical Creative Technology Ltd Of Guizhou
Priority to CN201810287488.9A priority Critical patent/CN108382601A/en
Publication of CN108382601A publication Critical patent/CN108382601A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D37/00Arrangements in connection with fuel supply for power plant
    • B64D37/02Tanks
    • B64D37/06Constructional adaptations thereof
    • B64D37/12Constructional adaptations thereof jettisonable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00Parachutes
    • B64D17/40Packs
    • B64D17/52Opening, e.g. manual
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00Parachutes
    • B64D17/80Parachutes in association with aircraft, e.g. for braking thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D37/00Arrangements in connection with fuel supply for power plant
    • B64D37/32Safety measures not otherwise provided for, e.g. preventing explosive conditions

Abstract

The present invention relates to air vehicle technique fields, disclose a kind of unmanned plane protective device of fuel tank, including outer container and vibrating sensor, outer container is hinged with case lid, airbag and air charging system are equipped in outer container, airbag inner wall is equipped with parachute, and air charging system is electrically connected with vibrating sensor;The airbag is internally provided with fuel tank air bag, and fuel tank air bag is connect with parachute, and fuel tank inside air bag installs fuel tank;The fuel tank is connected to external oil line pipe, the oil line pipe is internally provided with cross bar, the both sides of cross bar are equipped with telescopic shackle member, be connected between shackle member and cross bar can closing oil path pipeline flexible oil sealing, oil line pipe inner wall, which is equipped with, can block the card slot of shackle member.The present invention can reduce unmanned plane falling speed when power unmanned plane will fall, and mitigate the damage of unmanned plane, and also ensure that fuel tank will not be caused to damage and be leaked, and avoid causing fire, improve the safety of unmanned plane.

Description

A kind of unmanned plane protective device of fuel tank
Technical field
The present invention relates to air vehicle technique field, specially a kind of unmanned plane protective device of fuel tank.
Background technology
Unmanned plane is that the unpiloted flight manipulated using radio robot and the presetting apparatus provided for oneself is set Standby, unmanned plane has many advantages, such as small, low cost, easy to use.Currently, unmanned plane take photo by plane, agricultural plant protection, the necks such as mapping Domain has a wide range of applications.The unmanned plane that aerial survey uses belongs to special defects unmanned plane, this UAV system weight is larger, endurance compared with Long, groundwork place is mountain area or high altitude localities.Therefore steady to the flight efficiency of unmanned plane, flight safety and whole flight It is qualitative to have higher requirement.Currently, unmanned plane dynamical system on the market is broadly divided into three classes:First, all-electric unmanned plane;Two It is fuel power unmanned plane;Third, hybrid power unmanned plane.Fuel power unmanned plane has flight compared to all-electric unmanned plane The advantages that time is long, loading capacity is big, therefore aerial survey unmanned plane generally uses fuel power unmanned plane.But fuel power unmanned plane After falling accident occurs, the fuel leakage of fuel power unmanned plane easily causes fire, and there are security risks.
Invention content
The invention is intended to provide a kind of unmanned plane protective device of fuel tank, when power unmanned plane will fall, can reduce Unmanned plane falling speed mitigates the damage of unmanned plane, and also ensures that fuel tank will not be caused to damage and be leaked, and avoids causing fire Calamity improves the safety of unmanned plane.
The present invention provides base case:A kind of unmanned plane protective device of fuel tank, including outer container and vibrating sensor, outer container It is hinged with case lid, airbag and air charging system are equipped in outer container, airbag inner wall is equipped with parachute, air charging system and vibrating sensor electricity Connection;The airbag is internally provided with fuel tank air bag, and fuel tank air bag is connect with parachute, and fuel tank inside air bag installs fuel tank;It is described Fuel tank is connected to external oil line pipe, and the oil line pipe is internally provided with cross bar, and the cross bar is located at oil line pipe and stretches into gas In the caliber of bag, the both sides of cross bar are equipped with telescopic shackle member, and being connected between shackle member and cross bar can closing oil path pipe The flexible oil sealing in road, oil line pipe inner wall are equipped with the card slot that can block shackle member.
The operation principle of base case:By the present invention on unmanned plane, when unmanned plane is out of control to be vibrated, vibration passes Sensor will sense that vibration signal sends the controller inside vibrating sensor to, and controller controls air charging system and starts, inflation Device works, and air charging system just gives air bag inflator, and on the whole airbag expansion becomes after the case lid of case, airbag can fly out outer Case drives the outer container that flies out together of the fuel tank in airbag to be detached from unmanned plane, fuel tank connect with unmanned plane by oil line pipe, fuel tank Just it suspends in the air.
While air bag inflator, gas give oil line pipe apply pressure, since pipeline is internally provided with cross bar, then not in contact with The inner wall of the pipe of cross bar is inwardly got into, i.e., shackle member is pressed into the card slot of oil line pipe.When air bag inflator to explosion after, airbag The parachute of inner wall is opened, to which parachute slows down the speed that fuel tank and unmanned plane fall, meanwhile, oil line pipe because no longer by Restore deformation to gas extrusion, at this time since shackle member has been stuck in card slot, oil line pipe restores just to stretch clamping when deformation Part, shackle member drive flexible oil sealing to extend to and are bonded with oil line pipe inner wall, to enclose oil line pipe, prevent fuel oil from letting out Leakage.After unmanned plane landing, fuel tank is slowly landed followed by parachute, just will not cause the damage of fuel tank.
The advantageous effect of base case is:1, air charging system fills helium to airbag, is come to ensure that airbag can fly up, from And fuel tank is driven to be detached from unmanned plane, fuel leakage is avoided on unmanned plane, causes fire, and security risk has been discharged.
2, parachute is set in airbag inner wall, to slow down the speed of falling of unmanned plane and fuel tank, mitigates unmanned plane and fuel tank Damage.Fuel tank is placed in fuel tank air bag, the born impact force of fuel tank is slowed down, further reaches the effect for mitigating fuel tank damage Fruit.
3, when gas applies pressure to oil line pipe, shackle member is used for closing oil path pipeline, when unmanned plane falls, no longer Fuel oil is provided to unmanned plane, after preventing unmanned plane landing from crashing, fuel leakage causes fire.
Preferred embodiment one:As the preferred of basic scheme, the shackle member includes multiple hollow cubes being mutually arranged, Outermost hollow cube is fixedly connected on cross bar, and the hollow cube of innermost layer is fixedly connected with clamp, clamp both ends Equipped with hook.
Advantageous effect:When oil line pipe is by gas extrusion, the clamp of shackle member is pressed into the card slot of oil line pipe, card slot During clamp is pressed into, hook applies pressure to pocket edges, therefore card slot becomes larger, then just pressed completely in clamp and hook After in into card slot, card slot restores deformation and compresses clamp, and hook is hooked in card slot inner wall.It is simple in structure using this shackle member, it is only sharp Shackle member can be realized with the inflation of air charging system to be stuck in card slot, need not additionally increase energy.
Preferred embodiment two:Preferably one it is preferred, the hook be equipped with rubber layer.
Advantageous effect:Since hook can catch on the inner wall of card slot, when oil circuit card slot compresses hook, avoids hook from scraping and be broken Oil line pipe, and it is equipped with rubber layer, increase the frictional force of hook and card slot inner wall, so that hook hooks more securely On card slot inner wall.
Preferred embodiment three:As the preferred of basic scheme or preferred embodiment two, it is full of inert gas in the fuel tank air bag.
Advantageous effect:Since the atom of inert gas is not easy to lose or obtain electronics, also it is difficult to send out with other materials Biochemical reaction, so also avoiding fuel tank leakage causes fire.
Preferred embodiment four:Preferably three it is preferred, sealant is equipped in the card slot.
Advantageous effect:Sealant is set so that clamp is stuck in very close to each other in card slot, it is therefore prevented that fuel oil continues from gap Unmanned plane is flowed by oil line pipe, avoids unmanned plane landing from crashing and causes fire.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of unmanned plane protective device of fuel tank embodiment of the present invention;
Fig. 2 is the structural schematic diagram that parachute is opened in Fig. 1;
Fig. 3 is the structural schematic diagram inside oil line pipe in Fig. 1.
Specific implementation mode
Below by the further details of explanation of specific implementation mode:
Reference numeral in Figure of description includes:Outer container 1, case lid 2, airbag 3, parachute 4, fuel tank air bag 5, fuel tank 6, Oil line pipe 7, card slot 71, hook 72, hollow cube 73, cross bar 74, flexible oil sealing 75, air charging system 8.
Such as Fig. 1 and as shown in Fig. 2, unmanned plane protective device of fuel tank, including outer container 1 and vibrating sensor, outer container 1 are mounted on At the top of unmanned plane, vibrating sensor is mounted on the rotor bearing of unmanned plane, and when unmanned plane is out of control, rotor cannot normally turn Dynamic, vibrating sensor can detect vibration velocity or Oscillation Amplitude, wherein vibrating sensor is shaken using KH-HZD integrations Dynamic sensor.Outer container 1 is hinged with case lid 2, is equipped with airbag 3 and air charging system 8 in outer container 1, air charging system 8 is filled with helium to airbag 3 Gas is bonded with parachute 4, air charging system 8 and vibrating sensing so that the expansion of airbag 3 can fly up after becoming larger on 3 inner wall of airbag Device is electrically connected, wherein air charging system 8 selects the electric inflating pump of XLF brands, the vibrated sensor control of working condition.Gas It is also equipped with fuel tank air bag 5 inside bag 3, fuel tank air bag 5 is bonded on parachute 4, and 5 inside of fuel tank air bag is equipped with fuel tank 6, fuel tank gas Inert gas is full of in capsule 5, one side fuel tank air bag 5 slows down the born impact force of fuel tank 6, reaches and mitigates what fuel tank 6 damaged On the other hand effect fills inert gas in fuel tank air bag 5, avoid the leakage of fuel tank 6 and cause fire.
Outer container 1, airbag 3 and fuel tank air bag 5 are equipped with the through-hole passed through for the oil line pipe 7 of unmanned plane, fuel tank 6 and outside Oil line pipe 7 is connected to, to give unmanned plane fuel feeding.As shown in figure 3, oil line pipe 7 is internally provided with cross bar 74, cross bar 74 is located at oil circuit Pipeline stretches into the caliber of airbag, and cross bar 74 resists 7 inner wall of oil line pipe, and 7 inner wall of oil line pipe is equipped with card slot 71, in card slot 71 Equipped with sealant, the both sides of cross bar 74 are welded with shackle member, and cross bar 74 is mutually perpendicular to shackle member, and shackle member may be stuck in card slot In 71.Wherein, shackle member includes four hollow cubes 73, and 73 inner wall of each hollow cube is equipped with sliding slot, sets on outer wall There is the sliding block that can be slided in sliding slot, so that four hollow cubes is connected together by the cooperation of sliding slot and sliding block, sliding slot two End is equipped with limited block, and limited block is to prevent the hollow cube 73 of internal layer to be detached from the hollow cube 73 of outer layer in sliding, most The hollow cube 73 of outer layer is welded on cross bar 74, and the hollow cube 73 of innermost layer is welded with clamp, and clamp both ends are equipped with Hook 72, hook 72 are equipped with rubber layer.It is connected between the both ends of 74 homonymy of hollow cube 73 and cross bar of innermost layer flexible Oil sealing layer 75, flexible oil sealing 75 are made of nitrile rubber, and the arc-shaped shape in 75 edge of flexible oil sealing makes its flexible oil sealing 75 Edge can be fitted on 7 inner wall of oil line pipe, then can closing oil path pipeline 7 when flexible oil sealing 75 is stretched.
When specific works, outer container 1 is mounted at the top of unmanned plane, vibrating sensor is mounted on the rotor bearing of unmanned plane On, when unmanned plane is out of control, rotor is unable to normal rotation, and vibrating sensor can detect vibration velocity or Oscillation Amplitude, Vibrating sensor will sense that vibration signal sends the controller inside vibrating sensor to, and controller control air charging system 8 opens Dynamic, air charging system 8 works, and air charging system 8 just fills helium to airbag 3, the case lid 2 of case 1 on the whole the expansion of airbag 3 becomes Afterwards, since the density of helium is less than air, airbag 3 flies out outer container 1, that is, drives the outer container 1 that flies out together of the fuel tank 6 in airbag 3 de- From unmanned plane, fuel tank 6 is connect with unmanned plane by oil line pipe 7, and fuel tank 6 just suspends in the air.
While airbag 3 is inflated, gas applies pressure to oil line pipe 7, since 74 both ends of cross bar resist oil line pipe 7, then it is inwardly got into not in contact with the inner wall of the pipe of cross bar 74, the clamp of shackle member is pressed into the card slot 71 of oil line pipe 7, card slot 71 During clamp is pressed into, hook 72 applies pressure to 71 edge of card slot, therefore card slot 71 becomes larger, when clamp and hook 72 are complete When being pressed into card slot 71, card slot 71 restores deformation and compresses clamp, and hook 72 is hooked in 71 inner wall of card slot.After airbag 3 is inflated to explosion, The parachute 4 of 3 inner wall of airbag is opened, to which parachute 4 slows down the speed that fuel tank 6 and unmanned plane fall, meanwhile, oil line pipe 7 restore deformation because being no longer influenced by gas extrusion, and at this time since shackle member has been stuck in card slot 71, oil line pipe 7 restores deformation When just stretch shackle member, i.e., the hollow cube 73 of innermost layer drives the hollow cube 73 of outer layer to stretch out, while also driving soft Property oil sealing layer 75 is stretched to be bonded with 7 inner wall of oil line pipe, to enclose oil line pipe 7, prevents fuel leakage.In unmanned plane After landing, fuel tank 6 is slowly landed followed by parachute 4, just will not cause the damage of fuel tank 6.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date Ordinary technical knowledge can know the prior art all in the field, and with using routine experiment hand before the date The ability of section, one skilled in the art can improve in conjunction with self-ability and implement under the enlightenment that the application provides This programme, some typical known features or known method should not implement the application as one skilled in the art Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention is implemented Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification The records such as body embodiment can be used for explaining the content of claim.

Claims (5)

1. a kind of unmanned plane protective device of fuel tank, it is characterised in that:Including outer container and vibrating sensor, outer container is hinged with case lid, Airbag and air charging system are equipped in outer container, airbag inner wall is equipped with parachute, and air charging system is electrically connected with vibrating sensor;The gas Bag is internally provided with fuel tank air bag, and fuel tank air bag is connect with parachute, and fuel tank inside air bag installs fuel tank;
The fuel tank is connected to external oil line pipe, and the oil line pipe is internally provided with cross bar, and the cross bar is located at oil-way pipe Road stretches into the caliber of airbag, and the both sides of cross bar are equipped with telescopic shackle member, and being connected between shackle member and cross bar can seal The flexible oil sealing of oil line pipe is closed, oil line pipe inner wall is equipped with the card slot that can block shackle member.
2. unmanned plane protective device of fuel tank according to claim 1, it is characterised in that:The shackle member includes multiple mutual The hollow cube being arranged, outermost hollow cube are fixedly connected on cross bar, and the hollow cube of innermost layer, which is fixed, to be connected It is connected to clamp, clamp both ends are equipped with hook.
3. unmanned plane protective device of fuel tank according to claim 2, it is characterised in that:The hook is equipped with rubber layer.
4. unmanned plane protective device of fuel tank according to claim 1 or 3, it is characterised in that:It is full of in the fuel tank air bag Inert gas.
5. unmanned plane protective device of fuel tank according to claim 4, it is characterised in that:Sealant is equipped in the card slot.
CN201810287488.9A 2018-03-30 2018-03-30 A kind of unmanned plane protective device of fuel tank Pending CN108382601A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810287488.9A CN108382601A (en) 2018-03-30 2018-03-30 A kind of unmanned plane protective device of fuel tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810287488.9A CN108382601A (en) 2018-03-30 2018-03-30 A kind of unmanned plane protective device of fuel tank

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CN108382601A true CN108382601A (en) 2018-08-10

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CN201810287488.9A Pending CN108382601A (en) 2018-03-30 2018-03-30 A kind of unmanned plane protective device of fuel tank

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111099028A (en) * 2019-12-26 2020-05-05 燕山大学 Modularized airplane emergency weight-reducing safety oil tank and control method thereof
CN116767493A (en) * 2023-05-04 2023-09-19 中国人民解放军军事科学院系统工程研究院 Air-drop liquid cargo device and air-drop liquid cargo unmanned aerial vehicle with same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004017942U1 (en) * 2004-11-18 2005-04-14 Field, Roger Method for mounting fuel tanks into aircraft frame has drop tanks recess mounted in fuselage of wings for dropping prior to emergency landing
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
CN104276289A (en) * 2014-09-25 2015-01-14 安徽科耀智能科技有限公司 Fuel tank protecting device of unmanned aerial vehicle
CN104743126A (en) * 2013-12-29 2015-07-01 杨崇书 Aircraft oil tank casting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004017942U1 (en) * 2004-11-18 2005-04-14 Field, Roger Method for mounting fuel tanks into aircraft frame has drop tanks recess mounted in fuselage of wings for dropping prior to emergency landing
CN104743126A (en) * 2013-12-29 2015-07-01 杨崇书 Aircraft oil tank casting device
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
CN104276289A (en) * 2014-09-25 2015-01-14 安徽科耀智能科技有限公司 Fuel tank protecting device of unmanned aerial vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111099028A (en) * 2019-12-26 2020-05-05 燕山大学 Modularized airplane emergency weight-reducing safety oil tank and control method thereof
CN116767493A (en) * 2023-05-04 2023-09-19 中国人民解放军军事科学院系统工程研究院 Air-drop liquid cargo device and air-drop liquid cargo unmanned aerial vehicle with same

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Application publication date: 20180810