CN106892087B

CN106892087B - Inflatable glider unmanned aerial vehicle

Info

Publication number: CN106892087B
Application number: CN201710159528.7A
Authority: CN
Inventors: 卫剑征; 谭惠丰; 甄铎
Original assignee: Harbin Institute of Technology
Current assignee: Harbin Institute of Technology
Priority date: 2017-03-17
Filing date: 2017-03-17
Publication date: 2020-07-03
Anticipated expiration: 2037-03-17
Also published as: CN106892087A

Abstract

An inflatable paraglider unmanned aerial vehicle belongs to the technical field of unmanned aerial vehicles and solves the problems that the storage and transportation space of the paraglider unmanned aerial vehicle is limited and the rapid orbit change cannot be realized, the unmanned aerial vehicle comprises a vehicle body and inflatable side wings arranged on two sides of the vehicle body, each inflatable side wing is formed by sealing and connecting a plurality of rib plates arranged in a fan shape through flexible skin plates, the flexible skin plates are bonded with the rib plates, the front part and the rear part of each two adjacent rib plates, the flexible skins on the upper and lower four surfaces are sealed to form an air chamber, the width of each rib plate is gradually increased from the front end to the rear end, the widths of the front ends of all the rib plates are the same, the width of the rear end of all the rib plates of each inflatable lateral wing is gradually increased from the outer side to the inner side, the rib plates are flat plates with hollow structures, air holes are formed in the side walls of the rib plates on the two sides of each air chamber, the front end of each rib plate is connected with a high-pressure air bottle and an inflation control system which are arranged in the machine body, and an exhaust electromagnetic valve is arranged at; the invention is used for unmanned aerial vehicles.

Description

Inflatable glider unmanned aerial vehicle

Technical Field

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an inflatable glider unmanned aerial vehicle.

Background

The unmanned aerial vehicle has the obvious advantages of no casualty risk and the like, and the gliding wing unmanned aerial vehicle is widely applied along with the rapid development of the unmanned aerial vehicle technology; because the side wing structure area is large, the existing glider unmanned aerial vehicle needs a larger parking space and is not beneficial to storage and transportation; moreover, the gliding wings cannot be quickly changed into rails and avoided when the unmanned aerial vehicle meets natural enemies such as flying birds and the like, so that potential safety hazards are large; the scheme is provided for solving the problems that the storage and transportation space of the glider unmanned aerial vehicle is limited and the glide wing unmanned aerial vehicle cannot be quickly changed into a rail.

Disclosure of Invention

The invention aims to solve the problems that the storage and transportation space of a glider unmanned aerial vehicle is limited and the rapid orbit change cannot be realized, and provides an inflatable glider unmanned aerial vehicle, which has the following technical scheme:

an inflatable glider unmanned aerial vehicle comprises a fuselage and inflatable side wings arranged on two sides of the fuselage, wherein each inflatable side wing is formed by sealing and connecting a plurality of fan-shaped ribbed plates through flexible skins, the flexible skins are bonded with the ribbed plates, an air chamber is formed by sealing the flexible skins on the front, rear, upper and lower four surfaces between two adjacent ribbed plates, the width of each ribbed plate is gradually increased from the front end to the rear end, the front ends of all the ribbed plates are the same in width, the rear end of all the ribbed plates of each inflatable side wing is gradually increased from the outer side to the inner side, the ribbed plates are flat plates with hollow structures, air holes are formed in the side walls of the ribbed plates on two sides of each air chamber, the front end of each ribbed plate is connected with a high-pressure air bottle and an inflation control system which are arranged in the fuselage, air enters the air chamber through the air holes to control the inflatable side wings to be sequentially, the inflatable side wings are controlled to be deflated rapidly, the inflatable side wings are deflated during the advancing process of the unmanned aerial vehicle, and the rib plate positioned on the windward side at the outermost side drives the inflatable side wings to be folded rapidly under the action of wind power; in order to match with the unfolding and folding of the inflatable side wings, the front end of each ribbed plate is rotatably connected with the machine body along the opening and closing direction, an X-shaped telescopic mechanism is arranged at the rear side of each inflatable side wing, the rear end of each ribbed plate is rotatably connected with a central shaft of an X unit corresponding to the X-shaped telescopic mechanism along the opening and closing direction, and the root of the X-shaped telescopic mechanism is also rotatably connected with the machine body along the opening and closing direction; wing bins which are matched with the folding states of the inflatable side wings are arranged on both sides of the fuselage, so that the inflatable side wings are hidden in the wing bins when in the folding states.

The invention has the beneficial effects that: the inflatable side wings can be rapidly inflated, expanded, deflated and folded in the advancing process of the unmanned aerial vehicle to realize rail change, and can be repeatedly inflated, expanded, deflated and folded in, so that the problems that the storage and transportation space of the glider unmanned aerial vehicle is limited and the rail change cannot be rapidly realized are solved; the inflatable side wings are of a rigid-flexible combined structure of flexible skins and rib plates, so that the collision energy absorption capacity is high, and accidental damage during operations such as flying, landing and transportation can be reduced; the inflatable side wing has the unique advantages of ultra-light weight, good folding performance, low cost and the like, and can provide a new technical approach for the technology of the expandable structure or the variant structure in the field of aerospace.

Description of the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic side view of FIG. 1;

FIG. 4 is a preliminary exploded schematic view of FIG. 1;

FIG. 5 is a further exploded view of the inflatable side flap;

FIG. 6 is a schematic transverse cross-sectional view of a rib;

fig. 7 is an enlarged schematic view of a connection structure of the X-shaped telescopic mechanism and the rib plate.

The specific implementation mode is as follows:

referring to fig. 1 to 7, an inflatable glider unmanned aerial vehicle comprises a vehicle body 1 and inflatable side wings 2 arranged on two sides of the vehicle body 1, wherein each inflatable side wing 2 is formed by connecting a plurality of fan-shaped arranged rib plates 2-1 in a sealing manner through flexible skins 2-2, the flexible skins 2-2 are bonded with the rib plates 2-1, an air chamber is formed between two adjacent rib plates 2-1 in a sealing manner through the flexible skins 2-2 on the front, rear, upper and lower surfaces, the width of each rib plate 2-1 is gradually increased from the front end to the rear end, the widths of the front ends of all the rib plates 2-1 are the same, the widths of the rear ends of all the rib plates 2-1 of each inflatable side wing 2 are gradually increased from the outer side to the inner side, the rib plates 2-1 are flat plates with hollow structures, air holes 2-1-1 are arranged on the side walls of the rib plates, the front end of each ribbed plate 2-1 is connected with a high-pressure gas cylinder and an inflation control system which are arranged in the machine body 1, gas is inflated into the ribbed plates 2-1 and then enters the gas chambers through the gas holes 2-1-1 to control the inflatable side wings 2 to be unfolded orderly, an exhaust electromagnetic valve 2-3 is arranged at the rear end of each gas chamber to control the inflatable side wings 2 to be deflated quickly, the inflatable side wings 2 are deflated during the advancing process of the unmanned aerial vehicle, and the ribbed plates 2-1 on the windward side at the outermost sides drive the inflatable side wings 2 to be folded quickly under the action of wind power; in order to match with the unfolding and folding of the inflatable side wings 2, the front end of each ribbed plate 2-1 is rotatably connected with the machine body 1 along the opening and closing direction, an X-shaped telescopic mechanism 3 is arranged at the rear side of each inflatable side wing 2, the rear end of each ribbed plate 2-1 is rotatably connected with a central shaft 3-1 of an X unit corresponding to the X-shaped telescopic mechanism 3 along the opening and closing direction, and the root of the X-shaped telescopic mechanism 3 is also rotatably connected with the machine body 1 along the opening and closing direction; wing bins 1-1 which are matched with the folding state of the inflatable side wings 2 are arranged on both sides of the fuselage 1, so that the inflatable side wings 2 are hidden in the wing bins 1-1 in the folding state.

In the first embodiment, the front end of each rib plate 2-1 is rotatably connected with the body 1 along the opening and closing direction through a rotating shaft 4.

In the second embodiment, the rear end of each rib 2-1 is rotatably connected with the central shaft 3-1 in the opening and closing direction through a hinge 5.

In the third embodiment, the root of the X-shaped telescopic mechanism 3 is rotatably connected with the machine body 1 along the opening and closing direction through a rotating shaft 4 or a hinge 5.

Preferably, the flexible skin 2-2 is made of aramid fiber coated aluminum foil, the aramid fiber is also called Kevlar and has a bearing effect, and the aluminum foil has an airtight effect.

Claims

1. An inflatable glider unmanned aerial vehicle is characterized by comprising a vehicle body (1) and inflatable side wings (2) arranged on two sides of the vehicle body (1), wherein each inflatable side wing (2) is formed by sealing and connecting a plurality of rib plates (2-1) arranged in a fan shape through flexible skins (2-2), the flexible skins (2-2) are bonded with the rib plates (2-1), an air chamber is formed between every two adjacent rib plates (2-1) through the flexible skins (2-2) arranged on the front, rear, upper and lower four surfaces, the width of each rib plate (2-1) is gradually increased from the front end to the rear end, the widths of the front ends of all rib plates (2-1) are the same, the widths of the rear ends of all rib plates (2-1) of each inflatable side wing (2) are gradually increased from the outer side to the inner side, the rib plates (2-1) are flat plates with hollow structures, air holes (2-1-1) are formed in the side walls of the ribbed plates (2-1) on the two sides of each air chamber, the front end of each ribbed plate (2-1) is connected with a high-pressure air bottle and an inflation control system which are arranged in the machine body (1), and an exhaust electromagnetic valve (2-3) is arranged at the rear end of each air chamber; the front end of each rib plate (2-1) is rotatably connected with the machine body (1) along the opening and closing direction, an X-shaped telescopic mechanism (3) is arranged at the rear side of each inflatable side wing (2), the rear end of each rib plate (2-1) is rotatably connected with a central shaft (3-1) of an X unit corresponding to the X-shaped telescopic mechanism (3) along the opening and closing direction, and the root of the X-shaped telescopic mechanism (3) is also rotatably connected with the machine body (1) along the opening and closing direction; wing bins (1-1) which are matched with the folding state of the inflatable side wings (2) are arranged on both sides of the machine body (1).

2. The unmanned aerial vehicle with inflatable gliders as claimed in claim 1, wherein the front end of each rib plate (2-1) is rotatably connected to the fuselage (1) through a rotating shaft (4) in the opening and closing direction.

3. An inflatable glider drone according to claim 1, characterized in that the rear end of each rib (2-1) is connected to the central shaft (3-1) by a hinge (5) in rotation in the opening and closing direction.

4. The unmanned air vehicle with inflatable glider wing as claimed in claim 1, wherein the root of the X-shaped telescopic mechanism (3) is connected with the fuselage (1) through the rotating shaft (4) or the hinge (5) in the opening and closing direction.

5. An inflatable glider drone according to claim 1, characterized in that the flexible skin (2-2) is of aramid coated aluminium foil material.