CN107458600B - Flapping wing capable of being retracted and extended by utilizing inflation and deflation driving - Google Patents
Flapping wing capable of being retracted and extended by utilizing inflation and deflation driving Download PDFInfo
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- CN107458600B CN107458600B CN201710680302.1A CN201710680302A CN107458600B CN 107458600 B CN107458600 B CN 107458600B CN 201710680302 A CN201710680302 A CN 201710680302A CN 107458600 B CN107458600 B CN 107458600B
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- air column
- column
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- flapping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C33/00—Ornithopters
- B64C33/02—Wings; Actuating mechanisms therefor
Abstract
The invention relates to a flapping wing driven to be folded and unfolded by inflation and deflation, which comprises: the device comprises a wing membrane, a fixing device, a micro air pump, a micro power supply and a micro controller. The retraction and release of the flapping wings are realized by controlling the air content of the air column on the flapping wing membrane. When the aircraft needs to fly, the air column is filled with air, and the flapping wings are unfolded under the tension of the air in the air column; when the aircraft flies over and returns to the ground, the air in the air column is pumped out, and the wing membrane is curled to be close to the aircraft body under the action of the elastic force of the wing membrane, so that the size of the aircraft is reduced under the ground state, the overall size of the aircraft is reduced, the movement performance of the aircraft in a narrow space is enhanced, and the concealment performance of the aircraft is enhanced.
Description
Technical Field
The invention relates to the field of aircrafts, in particular to a flapping wing which is driven to retract and release by inflation and deflation.
Background
Since the nineties of the last century, with the continuous improvement of the traditional aircraft design technology, people continuously explore the animal flying and swimming mechanisms, and know more and more deeply, and with the rapid development of the microelectronic technology, the miniature aircraft design field develops more and more rapidly, has wide application prospects in the aspects of national safety, national economic construction and the like, and is applied to tasks such as reconnaissance, communication, exploration, assistance in rescue and the like under complex environmental conditions.
The current micro flapping wing air vehicle is the main direction for developing the micro air vehicle. The flapping wings of the conventional flapping wing aircraft are mostly directly arranged on two sides of the aircraft, so that when the aircraft moves on the ground or is in a stop state, the overall size of the aircraft is larger, and the aircraft has poor concealment when executing an information stealing task and is easy to be perceived by a reconnaissance target.
Disclosure of Invention
The invention aims to solve the technical problem that the whole size of the existing flapping wing air vehicle is larger under the non-flight working state of the air vehicle caused by the fact that the flapping wings of the existing flapping wing air vehicle are directly arranged on the two sides of the air vehicle body, and for the purpose, the invention provides a flapping wing which is driven to retract and release by utilizing inflation and deflation, which comprises the following components:
a flapping wing driven to retract by inflation and deflation comprises: the wing-shaped air-assisted device comprises a wing membrane, an air column arranged on the wing membrane, an inflating device, a controller and a power supply;
the wing membrane is an elastic or flexible membrane, the inflation device is used for inflating and exhausting a gas column, and the gas column is used for deploying and retracting the flapping wings through the gas content in the gas column;
the controller is used for controlling the inflation device;
the power supply is connected with the air charging device and the controller to supply power to the air charging device and the controller.
The gas column presents different shapes according to different gas contents in the gas column, different forces are applied to the wing membranes, and the wing membranes are in a curled state when the gas content of the gas column is lower than a certain value and are in an unfolded state when the gas content of the gas column is higher than a certain value.
The flapping wing flapping device comprises a flapping wing flapping device, and is characterized by also comprising a fixing device and a fixing device, wherein the fixing device is communicated with the gas column and the inflating device and is connected with the flapping wing flapping device.
The air charging device is a miniature air pump, the controller is a microcontroller, and the power supply is a miniature power supply.
The air columns are air columns, and three air columns are arranged at the front edge of the wing membrane, the positions from the wing root to the oblique rear edge and the wing root, namely a main air column, an oblique air column and a short air column; the micro air pump inflates and evacuates the main air column, the inclined air column and the short air column.
The short air column, the inclined air column and the main air column are communicated through a communication point, and the distance between the communication point and the root of the main air column is one tenth of the length of the main air column;
preferably, in the deployed state of the flapping wing, the main air column, the oblique air column and the short air column are coplanar.
Preferably, the short air column is perpendicular to the main air column, and the oblique air column is between the main air column and the short air column.
Preferably, the inclined air column and the main air column form an included angle of 30-60 degrees.
The fixing device is used for communicating the main air column with the micro air pump through the vent hole in the side wall.
The fixing device is made of plastic materials.
The wing membrane is a plastic membrane which is curled in a natural state and unfolded under the condition of inflating an air column.
The power supply is a miniature lithium battery.
Compared with the prior art, the invention has the advantages that:
through the technical scheme, the micro air pump fills the main air column, the inclined air column and the short air column with air, so that the wing membrane is opened, and the main air column, the inclined air column and the short air column filled with air serve as the bearing beam to bear the aerodynamic force generated by flapping of the flapping wings. Under the ground state, the miniature air pump is used for vacuumizing the main air column, the inclined air column and the short air column, and the wing membrane is in a curled state under the action of elastic force, so that the overall size of the aircraft is reduced, the movement performance of the aircraft in a narrow space is enhanced, and the concealment performance of the aircraft is enhanced. Meanwhile, the technical scheme has the advantages of simple mechanism device, and easiness in processing and assembling.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
FIG. 1 is a schematic view of the flapping wing of the present invention in an extended state driven by inflation and deflation to deploy;
FIG. 2 is a schematic view of a flapping wing fastening device driven by inflation and deflation to retract;
FIG. 3 is a schematic view of the flapping wing of the present invention in a rolled state driven by inflation and deflation to deploy;
the reference numbers illustrate:
1-a pteroid membrane; 2-a fixing device; 3-a miniature air pump; 4-a micro power supply; 5-a microcontroller; 101-main air column; 102-oblique air column; 103-short column of air.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A flapping wing driven by inflation and deflation to be folded and unfolded realizes folding and unfolding of the flapping wing by controlling the air content of an air column on a wing film of the flapping wing. When the aircraft needs to fly, the air column is filled with air, and the flapping wings are unfolded under the tension of the air in the air column; when the flying of the aircraft is finished and the aircraft returns to the ground state, the air in the air column is pumped out, and the wing membrane is curled to be close to the aircraft body under the action of the elastic force of the wing membrane, so that the size of the aircraft is reduced under the ground state, and the size of the aircraft is greatly reduced.
As shown in fig. 1, the flapping wing driven to extend and retract by inflation and deflation according to one embodiment of the present invention comprises:
the wing membrane 1 is an elastic membrane, and three air columns, namely a main air column 101, an oblique air column 102 and a short air column 103, are arranged at the front edge, the position from the wing root to the oblique rear edge and the position of the wing root of the wing membrane 1;
a fixing device 2 which is communicated with the main air column 101 and the micro air pump 3 and is connected with the flapping wing flapping device (not shown in the figure);
the micro air pump 3 is connected with the fixing device 2, is connected with the micro power supply 4 and the micro controller 5, and inflates and evacuates the main air column 101, the inclined air column 102 and the short air column 103 by the micro air pump 3;
the micro power supply 4 is connected with the micro air pump 3 and the micro controller 5 and supplies power to the micro air pump 3 and the micro controller;
and the micro controller 5 is used for controlling the micro air pump 3.
Preferably, the short air column 103, the oblique air column 102 and the main air column 101 are communicated with each other through a communication point, and the distance between the communication point and the root of the main air column 101 is one tenth of the length of the main air column.
Preferably, in the flapping-wing deployed state, the main air column 101, the oblique air column 102 and the short air column 103 are coplanar.
Preferably, the short air column 103 is perpendicular to the main air column 101, and the diagonal air column 102 is between the main air column 101 and the short air column 103.
Preferably, the inclined air column 102 forms an angle of 30 ° to 60 ° with the main air column 101.
As shown in fig. 1 and 2, the fixing device 2 communicates the main air column 101 with the micro air pump 3 through a vent hole in the side wall, and the fixing device 2 is made of a plastic material and is generally processed by using a 3D printing technology and the like.
As shown in fig. 3, the flap film 1 is a plastic film that is curled in a natural state.
Preferably, the micro power supply 4 is a micro lithium battery.
Under the ground state, the micro air pump 3 is controlled by the micro controller 5 to pump the main air column 101, the inclined air column 102 and the short air column 103, the main air column 101, the inclined air column 102 and the short air column 103 are vacuumized, and the wing membrane 1 naturally curls under the action of the elastic force of the wing membrane and is collected near the fuselage. Before the flying state is started, the micro air pump 3 is controlled to inflate the main air column 101, the inclined air column 102 and the short air column 103 until the main air column, the inclined air column and the short air column are full of air, and the wing membranes 1 are unfolded. The flapping mechanism is utilized to drive the flapping wings to flap to generate lift force, so that the takeoff and landing of the aircraft and the air maneuver are realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The flapping wing which is driven to retract and release by inflation and deflation is characterized by comprising: the device comprises a wing membrane (1), a gas column arranged on the wing membrane (1), an inflating device, a controller and a power supply;
the wing membrane (1) is an elastic or flexible membrane;
the inflation device is a micro air pump (3) which can realize inflation and air extraction of the gas column, and the gas column realizes retraction of the flapping wings through the gas content in the gas column;
the controller is used for controlling the inflation device;
the power supply is connected with the inflation device and the controller to supply power to the inflation device and the controller;
the gas column presents different shapes according to different gas contents in the gas column, different forces are applied to the wing membrane, and the wing membrane is in a curled state when the gas content of the gas column is lower than a certain value and is in an unfolded state when the gas content of the gas column is higher than a certain value;
the air columns are air columns, and three air columns are arranged at the front edge of the wing membrane, the positions from the wing root to the oblique rear edge and the wing root, namely a main air column (101), an oblique air column (102) and a short air column (103); the micro air pump (3) is used for inflating and exhausting the main air column (101), the inclined air column (102) and the short air column (103); the wing film (1) is a plastic film which is curled in a natural state and is unfolded under the condition of inflating an air column.
2. The flapping wing with inflation and deflation driven for deployment and retraction of claim 1 further comprising a fixing device, wherein the fixing device (2) is connected to the gas column and the inflation device and is connected to the flapping wing flapping device.
3. The flapping wing of claim 1 or 2 utilizing charging and discharging air to drive retraction, wherein the controller is a micro controller and the power source is a micro power source.
4. The flapping wing driven by inflation and deflation to retract according to claim 2, wherein the short air column (103), the oblique air column (102) and the main air column (101) are communicated through a communication point, and the distance between the communication point and the root of the main air column (101) is one tenth of the length of the main air column (101);
in the state that the flapping wings are unfolded, the main air column, the inclined air column and the short air column are coplanar;
the short air column (103) is perpendicular to the main air column (101), and the oblique air column (102) is between the main air column (101) and the short air column (103);
the inclined air column (102) and the main air column (101) form an included angle of 30-60 degrees.
5. The flapping wing with inflation and deflation driven retraction according to claim 4, wherein the fixing device (2) connects the main air column (101) and the micro air pump (3) through a vent hole on the side wall.
6. Flapping wing with inflation and deflation driven retraction according to claim 5, wherein the fixing device (2) is made of plastic material.
7. The flapping wing with charging and discharging driven retraction according to claim 1, wherein the power source (4) is a micro lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680302.1A CN107458600B (en) | 2017-08-10 | 2017-08-10 | Flapping wing capable of being retracted and extended by utilizing inflation and deflation driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680302.1A CN107458600B (en) | 2017-08-10 | 2017-08-10 | Flapping wing capable of being retracted and extended by utilizing inflation and deflation driving |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107458600A CN107458600A (en) | 2017-12-12 |
| CN107458600B true CN107458600B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710680302.1A Active CN107458600B (en) | 2017-08-10 | 2017-08-10 | Flapping wing capable of being retracted and extended by utilizing inflation and deflation driving |
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| CN (1) | CN107458600B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2854373B1 (en) * | 2003-04-30 | 2006-05-05 | Salomon Sa | TRACTION WING IN DELTA CONFIGURATION |
| CN101659321A (en) * | 2009-10-12 | 2010-03-03 | 北京航空航天大学 | Inflatable wing with controllable sway trailing edge |
| CN102390530B (en) * | 2011-09-19 | 2014-01-08 | 北京航空航天大学 | Micromechanical controllable flapping rotary wing aircraft and manufacturing method as well as control method thereof |
| CN103507953A (en) * | 2012-06-29 | 2014-01-15 | 新昌县冠阳技术开发有限公司 | Flapping wing flight device with adjustable flapping wing |
| CN104590560B (en) * | 2015-01-29 | 2016-06-08 | 北京航空航天大学 | What angle control attacked by a kind of band flutters rotor |
| DE102015014319A1 (en) * | 2015-11-05 | 2017-05-11 | Daimler Ag | aircraft |
| CN105857572A (en) * | 2016-03-23 | 2016-08-17 | 任宝全 | Inflatable aircraft wing |
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| CN107458600A (en) | 2017-12-12 |
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Application publication date: 20171212 Assignee: Beijing Hangyuan ruizeng System Technology Co.,Ltd. Assignor: BEIHANG University Contract record no.: X2021110000003 Denomination of invention: A flapping wing driven by inflation and deflation Granted publication date: 20200630 License type: Common License Record date: 20210121 |