CN104589938A - Cross-medium aircraft with changeable shape like flying fish - Google Patents
Cross-medium aircraft with changeable shape like flying fish Download PDFInfo
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- CN104589938A CN104589938A CN201410104536.8A CN201410104536A CN104589938A CN 104589938 A CN104589938 A CN 104589938A CN 201410104536 A CN201410104536 A CN 201410104536A CN 104589938 A CN104589938 A CN 104589938A
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Abstract
Provided is a cross-medium aircraft with a changeable shape like a flying fish. A pair of machine wings (2) are movably installed on the two sides of the middle of a machine body (1) respectively. A pair of duck wings (3) are installed below the middle rear portion of the machine body (1). The machine wings (2) and the duck wings (3) can rotate around rotating shafts to change the tapping angle. A flap and an aileron are distributed on the inner side and the outer side of each machine wing (2) respectively. An air-propulsion foldable spiral paddle (4) is installed at the head portion of the machine body (1). A V-shaped tail wing (5) is arranged at the middle rear section of the machine body (1). An underwater-propulsion spiral paddle (6) is installed at the tail portion of the machine body (1). A rectifying cover (7) is arranged at the lower middle portion of the head of the machine body (1). The cross-medium aircraft has the advantages that the air-water dynamic layout of two different media including air and water and the light pressure-resistant shape-changeable structure are taken into consideration, multi-mode control and water sealing can be easily achieved, and the various military and civilian requirements can be met.
Description
Technical field
The present invention relates to aircraft field, be specifically related to a kind of imitative flying fish variable configuration across medium aircraft.
Background technology
At present, across medium new concept aircraft by the multi-specialized Integrated design such as aircraft, submarine navigation device, both can aloft fly, again can at fly close to water surface, the multifunctional all New Equipments that can also move under water under water.The mode of operation of this aircraft can be divided into airflight pattern, fly close to water surface pattern, Water Exit surface model and pattern of moving under water under water, can change according to mission requirements between various mode of operation.
There is people's aircraft can utilize the blind area of various detecting devices across medium, switch the supervision that air-sea operational mode hides enemy, realize " stealthy " in unconventional mode and fight, can be used for performing the tasks such as naval reconnaissance, strike, extraordinary force projection.Across medium unmanned vehicle can with the matching equipment such as submarine, surface craft, for performing information gathering, the task such as investigation supervision, communication repeating, electronic countermeasure etc. of sky over strait.Have important military value and wide application prospect in view of across medium aircraft, domestic and international each main military power is being engaged in the exploitation of such New Equipments always, and achieves a series of achievement in research
[1-9].But because the professional domain covered across medium aircraft core technology is wide, technical risk is large, refer more particularly to the design part of submarine navigation, very large difference is there is with Aircraft Design, be mainly reflected in the aspects such as layout, structure, power, control and water-stop design, the domestic and international research in this field at present is all also in general conception design, tackling problems in key technologies and model machine Qualify Phase substantially, not yet has country successfully to develop the product with engineering practical value.
Summary of the invention
Object of the present invention be exactly for not yet have country successfully to develop to have engineering practical value across medium aircraft product, and provide a kind of imitative flying fish variable configuration across medium aircraft.
The present invention includes fuselage, wing, a pair canard, wing flap, aileron, the collapsible screw propeller of aerial propelling, empennage, underwater propulsion screw propeller and fairing, fuselage is imitative flying fish streamline fuselage, and a pair wing and a pair canard form the profile layout that compound type wing imitates flying fish pectoral fin, the profile of dipteron ending when the wingtip of wing is the flight of imitative fine stern swift, a pair wing is movably arranged on the both sides, middle part of fuselage respectively, a pair canard is arranged on below the postmedian of fuselage respectively, wing and canard can carry out rotation to change angle of attack angle around respective S. A., float or dive by regulating the positive negative angle of attack of wing and canard to control aircraft when moving under water under water, wing flap and aileron are arranged in inboard and outside, the collapsible screw propeller of aerial propelling is arranged on the head of fuselage, empennage is V-shaped is arranged on fuselage posterior segment, underwater propulsion screw propeller is arranged on afterbody, fairing is arranged on the middle below near fuselage head.
Advantage of the present invention is: the rotatable compound type wing of imitative flying fish that the present invention proposes has advanced air water across medium aircraft and moves layout, light overpressure resistant structure, structural variant ability, multi-mode control ability and water sealing property are good, can realize preferably running across medium, multiple military-civil demand can be met.
Concrete technology solution route is as follows:
1, in the gas used across medium, hydrodynamic(al) layout comprehensive Design, strictly following aircraft and submerge device basic design principle, by imitating physical shapes and the componental movement mechanism of marine life flying fish, completing gas, the design of hydrodynamic(al) placement scheme.Layout design method based on bionics principle not only makes conceptual design science more, greatly can also reduce the resistance that airflight is moved under water especially under water.In addition, adopt rotary type combination hydrofoil to control aircraft and float or dive, comparatively adopt the structural weight of conventional diving device culvert system design lighter.
2, at variable structural form light overpressure resistant structure and water-stop design aspect, adopt the high strength such as carbon fibre reinforced composite, glass-felt plastic, high quality shaping unconventional Novel compressive body more next than material, aircraft is made also to have good pressure resistance while weight is enough light, fuselage lateral arrangement annular bearing bulkhead simultaneously, longitudinally adopt longitudinal load-carrying member, realize the design of light overpressure resistant watertight structure by integral shaping method, the modes such as sectional type watertight compartment, flange seal technology and dynamic sealing technology of arranging, greatly can improve the water sealing property of housing construction.
3, using in power source and propulsion system adaptation scheme across medium, adopt oily electric hybrid system, namely aero-engine is used to drive propelling unit during airflight, charge a battery simultaneously, use storage battery to realize underwater propulsion as power source under water, solve aerial and that the underwater engine energy is incompatible problem preferably; In the selection of propelling unit, because the Design Mechanism difference of aero propulsion and underwater propulsion unit is larger, comparatively be apparent that aerial and underwater propeller aerofoil profile and size make a big difference, therefore the aerial propelling unit with adopting a set of coupling under water is respectively tended to, namely the aerial airscrew that adopts advances, can reduce engine inlets opening and be beneficial to water-stop, the middle-size and small-size scheme of underwater propulsion adopts marine propeller, and larger schemes adopts pump sprayer to realize advancing.
4, across in medium flying vehicles control strategy, first by the speed of conservative control aircraft, Reynolds number when making it run in different medium is close or identical.In view of different with the signalling methods adopted, therefore need the control setup designing a set of compatible short wave communication and long-wave communication in the air under water.Secondly, aircraft needs in water surface landing and submarine navigation, produces certain impact when stormy waves is larger by its operation stability, and the advanced control algorithms such as Based Intelligent Control can be adopted to control to realize microvariations.
accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the present invention's deformation state structural representation under water.
Detailed description of the invention
The present invention includes fuselage 1, wing 2, a pair canard 3, wing flap, aileron, the collapsible screw propeller 4 of aerial propelling, empennage 5, underwater propulsion screw propeller 6 and fairing 7, fuselage 1 is imitative flying fish streamline fuselage, and a pair wing 2 and a pair canard 3 form the profile layout that compound type wing imitates flying fish pectoral fin, the profile of dipteron ending when the wingtip of wing 2 is the flight of imitative fine stern swift, a pair wing 2 is movably arranged on the both sides, middle part of fuselage 1 respectively, a pair canard 3 is arranged on below the postmedian of fuselage 1 respectively, wing 2 and canard 3 can carry out rotation to change angle of attack angle around respective S. A., float or dive by regulating the positive negative angle of attack of wing 2 and canard 3 to control aircraft when moving under water under water, wing flap and aileron are arranged in wing 2 inner side and outer side, the collapsible screw propeller 4 of aerial propelling is arranged on the head of fuselage 1, empennage 5 is V-shaped is arranged on fuselage 1 posterior segment, underwater propulsion screw propeller 6 is arranged on fuselage 1 afterbody, fairing 7 is arranged on the middle below near fuselage 1 head.
Principle of work: flying fish is that marine life middle reaches obtain one of animal faster, mean time scooter 80km/h.Although speed per hour is not as good as sailfish, due to flying fish unique outlook, pectoral fin is flourishing especially, and as the wing of birds, and aircraft layout has certain relevance and interlinking, therefore with it for prototype carries out having certain scientific meaning across medium Flight Vehicle Design.This fuselage 1 have employed stream line pattern fish type fuselage, to reduce the resistance of flight and submarine navigation, head arranges the aerial propelling screws 4 of folding, advances, then fold up under water for airflight, plays the effect reducing water resistance and protection screw propeller, in order to meet the requirement of aerial high lift and low resistance under water simultaneously, imitate the profile layout of flying fish pectoral fin, in addition in order to meet the lift running needs in the air and under water, thrust and lower potentiality, (varied angle hydrofoil realizes the transformation of positive negative angle of attack by the rotation of a universal driving shaft a pair wing 2 to be designed to rotatable configuration, this technology has been widely used in the stabilizer of boats and ships and warship, hydrofoil designs), owing to there is not the distortion of the large scales such as wing-folding contraction, therefore anything is not almost had to affect on center of gravity change in location, can float or dive by regulating the positive negative angle of attack of a pair wing 2 to control aircraft when moving under water in water, the effect increasing horizontal course stability can also be played by the differential motion of a pair wing 2, a pair wing 2 length chooses less medium aspect ratio, arranges wing flap and aileron above, and when imitating the flight of fine stern swift, the profile of dipteron has carried out repairing type to wing wingtip, to obtain good aeroperformance, a pair area and the slightly little same rotatable canard 3 of aspect ratio is also had to be arranged in below fuselage postmedian in addition, the lift that canard provides certain is can be used as during airflight, when moving under water under water can with host wing routing motion, make aircraft have the maneuvering ability of good motor-driven and space multistory orientation conversion, during to meet aircraft Water Exit, be similar to the needs of on-land type vertical takeoff and landing, adopt oily electric hybrid system, the aerial turbo oar engine being built in forebody that uses provides power for flight, be battery charge simultaneously, then realizes propelling by storage battery drive arrangement in the electrical motor of body afterbody and underwater propeller under water, afterbody adopts vee tail design, to reduce water resistance.
Aircraft body structure uses carbon fibre reinforced composite on a large scale, meets light overpressure resistant Structural Design Requirement.Adopt integral shaping method, arrange that sectional type watertight compartment, flange seal technology and dynamic sealing technology improve the water sealing property of structure.In variable configuration mechanism design, mainly comprise the wing of variable-angle and canard and the aerial screw propeller of folding.Varied angle wing and canard realize the transformation of positive negative angle of attack by the rotation of respective universal driving shaft, and this technology has been widely used in stabilizer, the hydrofoil design of boats and ships and warship.Collapsible screw propeller is also a comparatively proven technique, contracting than successful Application on proof machine across medium aircraft in similar research.In control policy, in conjunction with the feature of the imitative rotatable compound type wing of flying fish across medium aircraft, design a set of many sail modes control system taken into account aerial, the water surface, under water different fluid disturbed conditions, control mode and signalling methods and the adjustment of different configuration center-of-gravity position, airflight realizes the motor-driven of aircraft by compound type wing and vee tail and controls, and is then carried out pose adjustment and the manipulation of aircraft under water by the positive and negative angle of attack of adjustment compound type wing, empennage rudder face and underwater propulsion screw propeller.
Claims (1)
1. an imitative flying fish variable configuration is across medium aircraft, it is characterized in that it comprises fuselage (1), wing (2), a pair canard (3), wing flap, aileron, the collapsible screw propeller of aerial propelling (4), empennage (5), underwater propulsion screw propeller (6) and fairing (7), fuselage (1) is imitative flying fish streamline fuselage, and a pair wing (2) and a pair canard (3) form the profile layout that compound type wing imitates flying fish pectoral fin, the profile of dipteron ending when the wingtip of wing (2) is the flight of imitative fine stern swift, a pair wing (2) is movably arranged on the both sides, middle part of fuselage (1) respectively, a pair canard (3) is arranged on below the postmedian of fuselage (1) respectively, wing (2) and canard (3) can carry out rotation to change angle of attack angle around respective S. A., float or dive by regulating the positive negative angle of attack of wing (2) and canard (3) to control aircraft when moving under water under water, wing flap and aileron are arranged in wing (2) inner side and outer side, the collapsible screw propeller of aerial propelling (4) is arranged on the head of fuselage (1), empennage (5) is V-shaped is arranged on fuselage (1) posterior segment, underwater propulsion screw propeller (6) is arranged on fuselage (1) afterbody, fairing (7) is arranged on the middle below near fuselage (1) head.
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922831A (en) * | 2016-05-23 | 2016-09-07 | 吉林大学 | Bionic morphing wing of water-air amphibious aircraft and diving control method of bionic morphing wing |
| CN106347588A (en) * | 2016-09-19 | 2017-01-25 | 哈尔滨工程大学 | Marine vehicle like flying fish |
| CN107458578A (en) * | 2017-08-09 | 2017-12-12 | 中北大学 | Imitative flying fish formula flight bus |
| CN107972869A (en) * | 2017-11-29 | 2018-05-01 | 北京航空航天大学 | A kind of across water sky medium unmanned vehicle of variable configuration binary |
| CN108910032A (en) * | 2018-06-25 | 2018-11-30 | 哈尔滨工程大学 | A kind of imitative flying fish telescopic type hang gliding robot |
| CN109436321A (en) * | 2018-10-25 | 2019-03-08 | 南京理工大学 | A kind of water sky of bionical electric ray is dual-purpose to detect dozen type unmanned plane |
| CN110154658A (en) * | 2019-05-29 | 2019-08-23 | 吉林大学 | Across the medium variant unmanned vehicles of assembled bionic based on kingfisher and predacious diving beetle shape |
| CN110239712A (en) * | 2019-07-10 | 2019-09-17 | 中国科学院自动化研究所 | A kind of empty amphibious across medium bionic machine flying fish of water |
| CN111547238A (en) * | 2020-05-22 | 2020-08-18 | 吉林大学 | Cross-medium aircraft capable of rowing and propelling |
| CN111703574A (en) * | 2020-06-29 | 2020-09-25 | 中南大学 | Dolphin-imitated variable configuration cross-medium aircraft |
| WO2020226719A1 (en) * | 2019-02-18 | 2020-11-12 | Livieratos Evangelos | Breaching for submergible fixed wing aircraft |
| CN112644235A (en) * | 2021-01-08 | 2021-04-13 | 西北工业大学 | Medium aircraft driving system is striden to repeatedly discrepancy water |
| CN113415114A (en) * | 2021-07-27 | 2021-09-21 | 北京理工大学 | Cross-medium aircraft based on bionic morphing wing |
| CN113665306A (en) * | 2021-10-25 | 2021-11-19 | 中国空气动力研究与发展中心空天技术研究所 | Cross-medium aircraft water-air dual-purpose empennage |
| CN113734438A (en) * | 2021-10-08 | 2021-12-03 | 中国民航大学 | Amphibious aircraft with fin stabilizer |
| CN114524091A (en) * | 2022-01-28 | 2022-05-24 | 北京大学 | Trans-medium aircraft with variable structure |
| CN115303483A (en) * | 2022-08-31 | 2022-11-08 | 南京航空航天大学 | Amphibious rotor unmanned aerial vehicle with blade reuse function and control method thereof |
| CN115837981A (en) * | 2023-02-16 | 2023-03-24 | 中国空气动力研究与发展中心空天技术研究所 | Waterproof sealed cabin for cross-medium aircraft |
| CN116256763A (en) * | 2023-05-10 | 2023-06-13 | 武汉理工大学 | Bridge disease detection device and detection method |
| CN116985994A (en) * | 2023-09-21 | 2023-11-03 | 中国空气动力研究与发展中心计算空气动力研究所 | Invisible aircraft |
| CN117002724A (en) * | 2023-09-28 | 2023-11-07 | 北京大学 | Wing and cross-medium aircraft |
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Cited By (33)
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| CN105922831A (en) * | 2016-05-23 | 2016-09-07 | 吉林大学 | Bionic morphing wing of water-air amphibious aircraft and diving control method of bionic morphing wing |
| CN106347588A (en) * | 2016-09-19 | 2017-01-25 | 哈尔滨工程大学 | Marine vehicle like flying fish |
| CN106347588B (en) * | 2016-09-19 | 2018-01-19 | 哈尔滨工程大学 | A kind of ocean navigation device of imitative flying fish |
| CN107458578A (en) * | 2017-08-09 | 2017-12-12 | 中北大学 | Imitative flying fish formula flight bus |
| CN107972869B (en) * | 2017-11-29 | 2020-10-30 | 北京航空航天大学 | Variable-configuration double-body cross-water-air-medium unmanned aerial vehicle |
| CN107972869A (en) * | 2017-11-29 | 2018-05-01 | 北京航空航天大学 | A kind of across water sky medium unmanned vehicle of variable configuration binary |
| CN108910032A (en) * | 2018-06-25 | 2018-11-30 | 哈尔滨工程大学 | A kind of imitative flying fish telescopic type hang gliding robot |
| CN109436321A (en) * | 2018-10-25 | 2019-03-08 | 南京理工大学 | A kind of water sky of bionical electric ray is dual-purpose to detect dozen type unmanned plane |
| WO2020226719A1 (en) * | 2019-02-18 | 2020-11-12 | Livieratos Evangelos | Breaching for submergible fixed wing aircraft |
| CN110154658A (en) * | 2019-05-29 | 2019-08-23 | 吉林大学 | Across the medium variant unmanned vehicles of assembled bionic based on kingfisher and predacious diving beetle shape |
| CN110154658B (en) * | 2019-05-29 | 2022-06-07 | 吉林大学 | Combined bionic cross-medium variant unmanned aircraft based on shapes of kingfishers and psyllids |
| CN110239712A (en) * | 2019-07-10 | 2019-09-17 | 中国科学院自动化研究所 | A kind of empty amphibious across medium bionic machine flying fish of water |
| US11208186B2 (en) | 2019-07-10 | 2021-12-28 | Institute Of Automation, Chinese Academy Of Sciences | Water-air amphibious cross-medium bio-robotic flying fish |
| CN110239712B (en) * | 2019-07-10 | 2021-01-12 | 中国科学院自动化研究所 | Water-air amphibious cross-medium bionic robot flying fish |
| WO2021004110A1 (en) * | 2019-07-10 | 2021-01-14 | 中国科学院自动化研究所 | Water-air amphibious cross-medium bionic robotic flying fish |
| CN111547238A (en) * | 2020-05-22 | 2020-08-18 | 吉林大学 | Cross-medium aircraft capable of rowing and propelling |
| CN111547238B (en) * | 2020-05-22 | 2022-06-24 | 吉林大学 | Cross-medium aircraft capable of rowing and propelling |
| CN111703574A (en) * | 2020-06-29 | 2020-09-25 | 中南大学 | Dolphin-imitated variable configuration cross-medium aircraft |
| CN112644235A (en) * | 2021-01-08 | 2021-04-13 | 西北工业大学 | Medium aircraft driving system is striden to repeatedly discrepancy water |
| CN113415114A (en) * | 2021-07-27 | 2021-09-21 | 北京理工大学 | Cross-medium aircraft based on bionic morphing wing |
| CN113415114B (en) * | 2021-07-27 | 2023-12-12 | 北京理工大学 | Cross-medium aircraft based on bionic variant wing |
| CN113734438A (en) * | 2021-10-08 | 2021-12-03 | 中国民航大学 | Amphibious aircraft with fin stabilizer |
| CN113734438B (en) * | 2021-10-08 | 2024-02-20 | 中国民航大学 | Stabilizer amphibious aircraft |
| CN113665306A (en) * | 2021-10-25 | 2021-11-19 | 中国空气动力研究与发展中心空天技术研究所 | Cross-medium aircraft water-air dual-purpose empennage |
| CN113665306B (en) * | 2021-10-25 | 2022-01-04 | 中国空气动力研究与发展中心空天技术研究所 | Cross-medium aircraft water-air dual-purpose empennage |
| CN114524091A (en) * | 2022-01-28 | 2022-05-24 | 北京大学 | Trans-medium aircraft with variable structure |
| CN115303483A (en) * | 2022-08-31 | 2022-11-08 | 南京航空航天大学 | Amphibious rotor unmanned aerial vehicle with blade reuse function and control method thereof |
| CN115837981A (en) * | 2023-02-16 | 2023-03-24 | 中国空气动力研究与发展中心空天技术研究所 | Waterproof sealed cabin for cross-medium aircraft |
| CN116256763A (en) * | 2023-05-10 | 2023-06-13 | 武汉理工大学 | Bridge disease detection device and detection method |
| CN116985994B (en) * | 2023-09-21 | 2023-11-28 | 中国空气动力研究与发展中心计算空气动力研究所 | Invisible aircraft |
| CN116985994A (en) * | 2023-09-21 | 2023-11-03 | 中国空气动力研究与发展中心计算空气动力研究所 | Invisible aircraft |
| CN117002724A (en) * | 2023-09-28 | 2023-11-07 | 北京大学 | Wing and cross-medium aircraft |
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