CN110667873A - Unmanned aerial vehicle and method for catapulting unmanned aerial vehicle by utilizing compressed air - Google Patents
Unmanned aerial vehicle and method for catapulting unmanned aerial vehicle by utilizing compressed air Download PDFInfo
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- CN110667873A CN110667873A CN201911068905.1A CN201911068905A CN110667873A CN 110667873 A CN110667873 A CN 110667873A CN 201911068905 A CN201911068905 A CN 201911068905A CN 110667873 A CN110667873 A CN 110667873A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000002567 autonomic effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000012876 topography Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Ground or aircraft-carrier-deck installations for launching aircraft
- B64F1/06—Ground or aircraft-carrier-deck installations for launching aircraft using catapults
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle and a method for catapulting the unmanned aerial vehicle by utilizing compressed air, wherein the unmanned aerial vehicle comprises an unmanned aerial vehicle body, a controller, a base and an air compressor; the unmanned aerial vehicle body is in signal connection with the controller, a compressed gas cylinder is arranged on the unmanned aerial vehicle body, and an air inlet and an air outlet of the compressed gas cylinder are vertically arranged towards the ground; the base is provided with an inflation inlet and a clamping device for clamping the compressed gas cylinder, the clamping device is in signal connection with the controller, and the gas outlet of the air compressor is communicated with the inflation inlet. The acting force that utilizes compressed air among the compressed air on this unmanned aerial vehicle flies upwards perpendicularly, makes taking off of this unmanned aerial vehicle body need not to utilize the runway, and can not receive the restriction of terrain conditions to the take off of having avoided the unmanned aerial vehicle body is retrained by topography and surrounding environment, so that taking off of this unmanned aerial vehicle body more smooth and easy.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle and a method for catapulting the unmanned aerial vehicle by utilizing compressed air.
Background
With the continuous development of the unmanned aerial vehicle technology, the unmanned aerial vehicle has wide application in various industries; the fixed wing unmanned aerial vehicle has the advantages that the takeoff weight is large, the speed is high, the endurance time is long, and the productivity can be effectively improved by using the fixed wing unmanned aerial vehicle;
however, the take-off of the fixed-wing drone is limited by the terrain conditions and the run-up take-off runway, and in order to solve the problem, the fixed-wing drone which is ejected by a rubber band or a spring and vertically takes off and lands by a rotor wing in the prior art is developed in succession;
the mode of ejecting by using a rubber band or a spring needs to have a certain emergent angle, the front part is required to be wide without a shielding object, and the taking-off mode has higher requirements on the terrain; and the mode that utilizes rotor VTOL needs the rotor of installation outside the organism, has changed the aerodynamic structure of unmanned aerial vehicle organism, has increased the resistance, simultaneously, still needs the battery of installation in the organism to increase the holistic weight of unmanned aerial vehicle especially, has reduced load. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a fixed wing drone that takes off by external force and is not limited by conditions such as terrain.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an unmanned aerial vehicle for catapult takeoff by using compressed air, which aims to solve the technical problem that the takeoff of a fixed wing unmanned aerial vehicle in the prior art is limited by various conditions such as terrain conditions, surrounding environment and the like.
The invention is realized by the following technical scheme:
an unmanned aerial vehicle comprises an unmanned aerial vehicle body, a controller, a base and an air compressor;
the unmanned aerial vehicle body is in signal connection with the controller, a compressed gas cylinder is arranged on the unmanned aerial vehicle body, and an air inlet and an air outlet of the compressed gas cylinder are vertically arranged towards the ground;
the base is provided with an inflation inlet and a clamping device for clamping the compressed gas cylinder, the clamping device is in signal connection with the controller, and the gas outlet of the air compressor is communicated with the inflation inlet.
In order to better implement the invention, the structure is further optimized, wherein the unmanned aerial vehicle body is provided with a landing gear, and the compressed gas cylinder is detachably mounted on the landing gear.
In order to better implement the invention, the above structure is further optimized, wherein a connecting device is arranged on the undercarriage, the compressed gas cylinder is connected with the undercarriage through the connecting device, and the connecting device is in signal connection with the controller.
In order to better realize the invention, the structure is further optimized, the connecting device comprises a first clamping part and a steering engine, a power output end of the steering engine is in transmission connection with the first clamping part, and the steering engine is in signal connection with the controller.
In order to better implement the invention, the structure is further optimized, and a pressure gauge for detecting the internal pressure of the compressed gas cylinder is arranged on the compressed gas cylinder.
In order to better realize the invention, the structure is further optimized, the clamping device comprises a second clamping part and a servo motor, a power output end of the servo motor is in transmission connection with the second clamping part, and the servo motor is in signal connection with the controller.
In order to better implement the present invention, in the above structure, a sealing ring is disposed on a contact surface between the inflation inlet and the air inlet/outlet.
In order to better implement the present invention, in the above structure, further optimization is made, and the air inlet and outlet is provided with a convex portion for facilitating the engagement with the clamping device.
In order to better implement the present invention, the above structure is further optimized, wherein the undercarriage includes two support rods arranged in parallel, the number of the compressed gas cylinders is four, and the four compressed gas cylinders are respectively installed at two ends of the two support rods.
The invention also provides a method for catapulting and taking off the unmanned aerial vehicle by utilizing the compressed air, which is based on the structure of the unmanned aerial vehicle and comprises the following specific steps:
step S1: the unmanned aerial vehicle body is arranged on the base, the air inlet and outlet are communicated with the inflation inlet, and the compressed gas cylinder is clamped through a clamping device;
step S2: starting an air compressor, and filling compressed gas into a compressed gas cylinder through the air compressor;
step S3: open through the controller and press from both sides and establish the device, the unmanned aerial vehicle body receives compressed air's promotion perpendicular ascending, and when the unmanned aerial vehicle body reached the predetermined height, controls the controller and opens the autonomic flight of screw on the unmanned aerial vehicle body in order to realize the unmanned aerial vehicle body.
In summary, the present invention has the following technical effects:
this unmanned aerial vehicle body utilizes compressed air's among the compressed gas cylinder effort to fly upwards perpendicularly, makes taking off of this unmanned aerial vehicle body need not to utilize the runway, and can not receive the restriction of terrain conditions to the take off of having avoided the unmanned aerial vehicle body is retrained by topography and surrounding environment, so that taking off of this unmanned aerial vehicle body more smooth and easy.
In addition, the optimization scheme of the invention also has the following technical effects:
(1) the invention has the advantages that the compressed gas cylinder is arranged on the undercarriage through the connecting device, and the controller controls the action of the connecting device, so that the unmanned aerial vehicle body can be separated from the compressed gas cylinder after taking off, the flying weight of the unmanned aerial vehicle body is effectively reduced, and the effective load of the unmanned aerial vehicle body is increased.
(2) The invention has the advantages that the pressure gauge is arranged on the compressed gas cylinder, and an operator can directly know the gas pressure in the compressed gas cylinder through the pressure gauge, so that the operator can take off the unmanned aerial vehicle more simply and conveniently.
(3) The optimal scheme of the invention is that the sealing ring is arranged at the inflation inlet, and the sealing ring can effectively seal the gap at the joint of the inflation inlet and the air inlet and outlet, so as to avoid the situation that the compressed air leaks from the gap at the joint of the air inlet and outlet to cause the unmanned aerial vehicle to reach the preset height.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle according to the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Reference numerals:
1. an unmanned aerial vehicle body; 2. a base; 3. an air compressor; 4. a compressed gas cylinder; 5. a clamping device; 6. a landing gear; 7. a connecting device; 8. and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2:
an unmanned aerial vehicle comprises an unmanned aerial vehicle body 1, a controller, a base 2 and an air compressor 3;
the unmanned aerial vehicle body 1 is in signal connection with the controller, a compressed gas cylinder 4 is arranged on the unmanned aerial vehicle body 1, and an air inlet and an air outlet of the compressed gas cylinder 4 are vertically arranged towards the ground;
the base 2 is provided with an inflation inlet and a clamping device 5 for clamping a compressed gas cylinder 4, the clamping device 5 is in signal connection with the controller, and the gas outlet of the air compressor 3 is communicated with the inflation inlet.
An unmanned aerial vehicle through above-mentioned structure, its effort that utilizes compressed air in the compressed gas cylinder 4 flies upwards perpendicularly, makes taking off of this unmanned aerial vehicle body 1 need not to utilize the runway, and can not receive the restriction of topography condition to avoided taking off of unmanned aerial vehicle body 1 to be restricted by topography and surrounding environment, so that more smooth and easy of taking off of this unmanned aerial vehicle body 1.
Optimized, be provided with undercarriage 6 on foretell unmanned aerial vehicle body 1, this undercarriage 6 is used for supporting unmanned aerial vehicle body 1, makes unmanned aerial vehicle body 1 and ground or be that there is certain distance between the base 2, and foretell compressed gas cylinder 4 then detachable sets up on undercarriage 6.
Preferably, a connecting device 7 is arranged on the undercarriage 6, the compressed gas cylinder 4 is detachably arranged on the undercarriage 6 through the connecting device 7, and the connecting device 7 is in signal connection with the controller; in the operation process, compressed gas in compressed gas cylinder 4 is with 1 propelling movement to aerial back of unmanned aerial vehicle body, and this unmanned aerial vehicle body 1 when can independently fly, the operator alright with through controller control connecting device 7, make connecting device 7 loosen compressed gas cylinder 4 to make compressed gas cylinder 4 and unmanned aerial vehicle body 1 separate, thereby reduce the weight of this unmanned aerial vehicle body 1, in order to increase unmanned aerial vehicle body 1's payload.
Specifically, the connecting device 7 comprises a first clamping part and a steering engine, wherein the power output end of the steering engine is in transmission connection with the first clamping part, and the steering engine is in signal connection with the controller; during operation, an operator controls the action of the steering engine through the controller, and the steering engine can drive the first clamping part to complete clamping/loosening actions when rotating so as to realize connection/separation of the compressed gas cylinder 4 and the undercarriage 6.
It should be noted that the steering engine is a servo driver for adjusting a position (angle), and is suitable for some control systems which need to change an angle continuously and can maintain the angle.
Preferably, a pressure gauge is arranged on the compressed gas cylinder 4, and a detection end of the pressure gauge is positioned inside the compressed gas cylinder 4; when the air compressor 3 inflates air into the compressed air bottle 4, the air pressure in the compressed air bottle 4 is gradually increased, and at the moment, an operator can know the air pressure in the compressed air bottle 4 through the pressure gauge; and when the inside gas pressure of compressed gas cylinder 4 reached the predetermined value, the power that compressed air provided promptly can send unmanned aerial vehicle body 1 to when appointing the height, alright in order to close air compressor 3, stop that air compressor 3 continues to aerify in the compressed gas cylinder 4.
Preferably, the clamping device 5 comprises a second clamping part and a servo motor, a power output end of the servo motor is in transmission connection with the second clamping part, and the servo motor is in signal connection with the controller; when the operator need aerify in to compressed gas cylinder 4, the operator needs place unmanned aerial vehicle body 1 that has compressed gas cylinder 4 on base 2, and make the charge inlet and exhaust mouth of compressed gas cylinder 4 and the inflation inlet intercommunication on the base 2, at this moment, the operator alright with control servo motor through the controller, make servo motor drive the action of second clamping part, so that the second clamping part can press from both sides tight fixed compressed gas cylinder 4, avoid at the gas filled in-process, unmanned aerial vehicle body 1 is blown the condition that flies by compressed gas and takes place.
The servo motor has the same function as the steering engine, so that the servo motor can be replaced by the steering engine, and the servo motor can be selected according to the price, the quality of a product and the like.
Preferably, a sealing ring 8 is arranged at the inflation port, and the sealing ring 8 is positioned on the contact surface of the inflation port and the air inlet and outlet; the sealing ring 8 can prevent compressed gas from leaking out from a gap at the joint of the inflation inlet and the air inlet and outlet.
Optimized, the air inlet and outlet are provided with convex parts, the second clamping part is connected with the compressed gas cylinder 4 more stably through the compressed gas cylinder 4 fixed in a clamping mode with the convex parts.
Specifically, the exposed core of second clamping part is hinge structure, and when the servo motor was controlled through the controller to the operator, the exposed core of second clamping part can rotate round servo motor's power take off end, makes the exposed core cooperation of exposed core and the inlet and outlet of second clamping part, with compressed gas cylinder 4 lock joint on base 2, makes the second clamping part more firm with being connected of compressed gas cylinder 4.
It should be noted that the sealing ring 8 needs to have certain elasticity, and the thickness of the sealing ring 8 is greater than the gap between the inflation inlet and the air inlet/outlet; when the second clamping part is buckled with the convex part, the second clamping part can extrude the compressed gas bottle 4 to the base 2, so that the connection between the air inlet and the air outlet and the inflation inlet is tighter, and the condition that the compressed gas leaks to the outside is effectively avoided; and when unmanned aerial vehicle body 1 and base 2 separation, sealing washer 8 then can resume to initial condition.
Preferably, foretell undercarriage 6 is including two bracing pieces, two bracing piece levels and parallel setting, and the quantity of foretell compressed gas cylinder 4 is four, and four compressed gas cylinders 4 install respectively at the both ends of two bracing pieces, makes more steady when launching take off of unmanned aerial vehicle body 1.
Example two:
the embodiment provides a method for ejecting an unmanned aerial vehicle for takeoff by using compressed air, which is based on the unmanned aerial vehicle described in the first embodiment, and comprises the following specific steps:
step S1: the unmanned aerial vehicle body 1 is arranged on a base 2, an air inlet and an air outlet are communicated with an inflation inlet, and a compressed air bottle 4 is clamped through a clamping device 5;
step S2: starting the air compressor 3, and filling compressed gas into the compressed gas cylinder 4 through the air compressor 3;
step S3: the clamping device is opened through the controller, the unmanned aerial vehicle body 1 is pushed by compressed air to vertically rise upwards, and when the unmanned aerial vehicle body 1 reaches a preset height, the controller is controlled to open a propeller on the unmanned aerial vehicle body 1 to achieve autonomous flight of the unmanned aerial vehicle body 1;
step S4: open connecting device 7 through the controller, throw off compressed gas cylinder 4 to alleviate unmanned aerial vehicle body 1's flight weight, increase this unmanned aerial vehicle body 1's payload.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An unmanned aerial vehicle, its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), a controller, a base (2) and an air compressor (3);
the unmanned aerial vehicle body (1) is in signal connection with the controller, a compressed gas cylinder (4) is arranged on the unmanned aerial vehicle body (1), and an air inlet and an air outlet of the compressed gas cylinder (4) are vertically arranged towards the ground;
the air compressor is characterized in that an inflation opening and a clamping device (5) used for clamping the compressed air bottle (4) are arranged on the base (2), the clamping device (5) is in signal connection with the controller, and an air outlet of the air compressor (3) is communicated with the inflation opening.
2. The drone of claim 1, wherein: be provided with undercarriage (6) on unmanned aerial vehicle body (1), compressed gas cylinder (4) detachable install on undercarriage (6).
3. A drone according to claim 2, characterized in that: the landing gear (6) is provided with a connecting device (7), the compressed gas cylinder (4) is connected with the landing gear (6) through the connecting device (7), and the connecting device (7) is in signal connection with the controller.
4. A drone according to claim 3, characterised in that: the connecting device (7) comprises a first clamping part and a steering engine, the power output end of the steering engine is in transmission connection with the first clamping part, and the steering engine is in signal connection with the controller.
5. A drone according to claim 4, characterized in that: and a pressure gauge for detecting the internal pressure of the compressed gas bottle (4) is arranged on the compressed gas bottle (4).
6. A drone according to any one of claims 1 to 5, characterised in that: the clamping device (5) comprises a second clamping part and a servo motor, the power output end of the servo motor is in transmission connection with the second clamping part, and the servo motor is in signal connection with the controller.
7. A drone according to claim 6, characterised in that: and a sealing ring (8) is arranged on the contact surface of the inflation inlet and the air inlet and outlet.
8. A drone according to claim 7, characterized in that: and a convex part which is convenient to be matched with the clamping device (5) is arranged at the air inlet and outlet.
9. A drone according to claim 5, characterised in that: the undercarriage (6) comprises two supporting rods which are arranged in parallel, the number of the compressed gas cylinders (4) is four, and the four compressed gas cylinders (4) are respectively arranged at two ends of the two supporting rods.
10. A method for catapulting and taking off an unmanned aerial vehicle by utilizing compressed air is characterized in that: comprising the drone of claim 1 and the steps of:
step S1: the unmanned aerial vehicle body (1) is arranged on the base (2), the air inlet and outlet are communicated with the air charging port, and the compressed air cylinder (4) is clamped through a clamping device (5);
step S2: starting the air compressor (3), and filling compressed gas into the compressed gas cylinder (4) through the air compressor (3);
step S3: open through the controller and press from both sides and establish device (5), unmanned aerial vehicle body (1) receives compressed air's promotion perpendicular ascending rising, and when unmanned aerial vehicle body (1) reached the predetermined height, controls the controller and opens the autonomic flight of screw on unmanned aerial vehicle body (1) in order to realize unmanned aerial vehicle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068905.1A CN110667873A (en) | 2019-11-05 | 2019-11-05 | Unmanned aerial vehicle and method for catapulting unmanned aerial vehicle by utilizing compressed air |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911068905.1A CN110667873A (en) | 2019-11-05 | 2019-11-05 | Unmanned aerial vehicle and method for catapulting unmanned aerial vehicle by utilizing compressed air |
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| CN110667873A true CN110667873A (en) | 2020-01-10 |
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| CN201911068905.1A Pending CN110667873A (en) | 2019-11-05 | 2019-11-05 | Unmanned aerial vehicle and method for catapulting unmanned aerial vehicle by utilizing compressed air |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111717409A (en) * | 2020-06-23 | 2020-09-29 | 长沙航华电子科技有限公司 | High-pressure pneumatic boosting take-off device of light unmanned aerial vehicle |
| CN114261524A (en) * | 2021-12-27 | 2022-04-01 | 重庆交通大学绿色航空技术研究院 | Unmanned aerial vehicle undercarriage and anti-falling energy storage method |
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Application publication date: 20200110 |