CN201516920U - Pseudo-bionic ornithopter - Google Patents
Pseudo-bionic ornithopter Download PDFInfo
- Publication number
- CN201516920U CN201516920U CN2009200340949U CN200920034094U CN201516920U CN 201516920 U CN201516920 U CN 201516920U CN 2009200340949 U CN2009200340949 U CN 2009200340949U CN 200920034094 U CN200920034094 U CN 200920034094U CN 201516920 U CN201516920 U CN 201516920U
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- wing
- plumage
- flapping
- support
- ornithopter
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Abstract
The utility model relates to a pseudo-bionic ornithopter, wherein a flapping wing rotation shaft is arranged close to the front edge of an ornithopter body and parallel to the front edge of the ornithopter body, the left and the right sides of the ornithopter body are provided with two flapping wings, the flapping wing consists of a wing support and wing feathers, the wing support is an elongated support rod with elliptical cross section, the front end of the wing support is perpendicularly connected with the flapping wing rotation shaft, and rotates with the flapping wing rotation shaft, the wing feathers are installed along the axial line of the wing support in equidistance, the widths of the wing feather are the same, the wing feathers are arranged along the wing support according to the length from small to large in horizontal direction in turn, the distance between each two wing feathers is smaller than the width of the wing feather, and the wing feathers are mutually overlapped in twos up and down, a servomotor is further installed in the ornithopter body, can drive the flapping wing rotation shaft to rotate back and forth within a certain angle through a driving gear, and simultaneously drives the two flapping wings to swing up and down at the two sides of the back portion of the ornithopter body. The flapping wings of the pseudo-bionic ornithopter have special wing surface structures, which can improve the required elevating force and thrust for flying through simply swinging the surfaces of the wings up and down, is beneficial for the small-size or mini-size of aircrafts, and improves the flying efficiency of the ornithopter.
Description
Technical field
The utility model relates to the microminiature flapping-wing aircraft.
Background technology
The microminiature flapping-wing aircraft is a kind of new ideas aircraft that imitates birds or insect flying, have flight maneuver flexibly, can vertical lift, hovering, consuming little energy, characteristics such as cost is low, efficient is high, stealth and operability are good.This aircraft can carry out low-speed operations in the low latitude, can be used for environmental monitoring, take photo by plane, model plane.
As the wing of birds and winged insect, mainly provide the flapping wing of required lift of flight and thrust to be fit to very much be applied to small aircraft to swing aerofoil up and down apace.Compare with rotor craft with miniature fixed-wing, the principal feature of mini-sized flap wings aircraft is with lifting, hovers and propulsion functions is integrated in one, and has very strong manoevreability and alerting ability.Yet develop small-sized flapping wing aircraft, its main difficulty be how processing and manufacturing, and flexibly control as the flapping wing of birds or winged insect wing.Because the wing of artificial bionic development, often weight is big, efficient is low, the co-operative control underaction.Birds and winged insect are when flight, and the swing mode of its wing and the variation of airfoil shape are extremely complicated.Up to the present, aerodynamic studies also fails to disclose fully the pneumatic mechanism that birds and winged insect can carry out high efficiency flapping flight like this.Therefore, make bionical small-sized flapping wing aircraft and just seem very difficulty up to the present, also do not have comparatively ripe flapping wing aircraft to be widely used.
As a whole, people to develop the reason of bionic ornithopter failure be exactly to imitate wing structure and the offline mode thereof of birds or insect simply.By wing swing up and down the same with birds and insect of pseudo-bionic ornithopter provides required lift of flight and thrust, but not exclusively imitates the wing structure of birds and insect and the mode of fluttering again.Therefore, how designing a kind of flapping wing and weave mode of pseudo-bionic ornithopter, make its effect that can realize birds and insect wing can simplify its controlling mechanism again, is the key of successfully developing flapping wing aircraft, problem also to be solved in the utility model just.
Summary of the invention
The purpose of this utility model provides a kind of pseudo-bionic ornithopter, its flapping wing has special airfoil structure, can swing up and down lift and the thrust that provides flight required by simple aerofoil, help realizing aircraft miniaturization even micro-miniaturisation, improve the flight efficiency of flapping-wing aircraft.
Realize that the utility model purpose technical scheme is: a kind of pseudo-bionic ornithopter, fuselage is a bit of heavy gauge high lift rectangular wing that is used for fixing wing aircraft, near on the position of fuselage leading edge a flapping wing rotating shaft is housed, two flapping wings are installed in the fuselage left and right sides; Described flapping wing is made of wing support and wing plumage, and wing support is the elongated pole of an oval cross section, and wing support front end vertically is connected with the flapping wing rotating shaft and plays rotation with one; Along the wing support axis wing plumage is installed equidistantly, the width of all wing plumages is identical, is arranged in order along wing support from front to back by its length is ascending, and wing plumage distance between any two is less than its width, in twos complete aerofoil of overlapped formation up and down.
Described wing plumage is made up of plumage support and plumage face two parts, and the plumage support is an elongated rectangular cross-sectional plane pole, and the plumage support is connected in wing support upward and support perpendicular with the wing; The plumage face is positioned at the plane of wing support oval cross section minor axis, by small one and large one two bonding forming of rectangular tab, one side of a wherein less rectangular tab is connected on the side of plumage support, and the plumage face of the adjacent foil plumage in front is close to the below of a back wing plumage.
Servomotor also is installed in fuselage, and servomotor drives flapping wing rotating shaft relative fuselage in certain angle by transmission gear and comes back rotation, drives two flapping wings simultaneously and swings up and down in the fuselage afterbody both sides.When the pressure of aerofoil top during greater than aerofoil below pressure, the wing plumage on the aerofoil is opened downwards air-flow is passed through downwards, can not produce downward negative lift.And when the pressure of aerofoil below during greater than the pressure of top, the plumage face is subjected to the plumage support of adjacent foil plumage to stop and can not upwards open, and the closed aerofoil that is kept perfectly produces lift upwards.Simultaneously, flapping wing swings up and down the thrust that can produce forward.In addition, when flapping-wing aircraft flies forward, can produce bigger lift on the fuselage that heavy gauge high lift aerofoil profile is made, thereby improve the flight efficiency of flapping-wing aircraft.
The pseudo-bionic ornithopter that the utility model is developed has simple in structure, and manoevreability is flexible, consuming little energy, characteristics such as cost is low, efficient is high, operability is good.
Description of drawings
Fig. 1 is the lateral plan of fuselage.
Fig. 2 is the structural representation of wing plumage.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the cross section view of wing support.
Fig. 5 is the flapping wing structural representation.
Fig. 6 is the flapping-wing aircraft scheme drawing.
The specific embodiment
The utility model provides a kind of pseudo-bionic ornithopter.A complete pseudo-bionic ornithopter is made up of a plurality of basic accessories, below describes with regard to the structure and the principle of work thereof of each accessory.
1. fuselage
As shown in Figure 1, fuselage 1 is a bit of heavy gauge high lift rectangular wing that is used for fixing wing aircraft, be projected as an elongated rectangular under fuselage, on the optional position that is positioned at the fuselage left and right directions, the cross-sectional plane of length direction is identical heavy gauge high lift aerofoil profile before and after the fuselage.On the position parallel with the fuselage leading edge,, can only in the scope of certain angle, come back rotation by relative fuselage by the flapping wing rotating shaft 2 that servomotor 3 drives by transmission gear 7 by flapping wing rotating shaft 2 of bearing installation near the fuselage leading edge.
2. wing plumage
As shown in Figure 2, described wing plumage is made up of plumage support 4 and plumage face 5 two parts.Plumage support 4 is an elongated rectangular cross-sectional plane pole.Plumage face 5 is by two bonding forming of rectangular tab, and wherein less a slice is made by gentle elastomeric material, and bigger a slice is made by the lightweight hard material, on one side the gentle elastic sheet of plumage face is connected on the side of plumage support 4.
3. wing support
As shown in Figure 4, said wing support 6 is the elongated pole of an oval cross section.
4. flapping wing
As shown in Figure 5, said flapping wing is made of wing support 6 and wing plumage.Along wing support axis many wing plumages are installed equidistantly; The plumage support 4 of wing plumage vertically is connected in the wing support 6, and plumage face 5 is positioned at the wing and supports plane, 6 oval cross section minor axis place; Identical and the length difference of the width of all wing plumages was arranged in order along wing support 6 backward by ascending the past of length, and the plumage face 5 of the adjacent foil plumage in front is close to the below of a back wing plumage, and wing plumage is complete aerofoil of overlapped formation up and down in twos.
5. flapping-wing aircraft
As shown in Figure 6, the wing of two identical flapping wings supports 6 front ends and is connected with flapping wing rotating shaft 2 about fuselage respectively, and flapping wing rotating shaft 2 keeps vertical with wing support 6 and supports 4 keeping parallelisms with all plumages.The aerofoil of two flapping wings extends to fuselage afterbody, and the aerofoil initial position is parallel with the fuselage lower surface.Be mounted with servomotor 3 in fuselage interior and come back rotation, drive two flapping wings simultaneously and swing up and down in the fuselage afterbody both sides by transmission gear 7 driving flapping wing rotating shafts 2 relative fuselages.Such unit construction constitutes a flapping-wing aircraft.
Can know by the mounting means of flapping wing upper limb plumage and the material behavior of wing plumage, when swinging up and down with flapping wing, as long as the pressure above aerofoil is greater than aerofoil below pressure, because the plumage face is divided into gentle elastic sheet near its plumage support part, the plumage face can be bent downwardly under the effect of downward pressure, wing plumage on the aerofoil is opened downwards air-flow is passed through downwards like this, can not produce downward negative lift.And when the pressure of aerofoil below during greater than the pressure of top, the plumage support that the plumage face is subjected to the adjacent foil plumage stops and can not upwards open, and therefore the closed aerofoil that can only be kept perfectly produces lift upwards.Simultaneously, in the thrust that also can produce in the process forward that swings up and down of flapping wing, its principle produces forward thrust just as the fish empennage that swings back and forth.In addition, when flapping-wing aircraft flies forward, can produce bigger lift on the fuselage that heavy gauge high lift aerofoil profile is made, thereby improve the flight efficiency of flapping-wing aircraft.
Claims (2)
1. pseudo-bionic ornithopter, it is characterized in that fuselage is one section heavy gauge high lift rectangular wing that is used for fixing wing aircraft, near fuselage (1) leading edge is parallel with the fuselage leading edge flapping wing rotating shaft (2) is being housed, two flapping wings are installed in the fuselage left and right sides, described flapping wing is made of wing support (6) and wing plumage, described wing support (6) is the elongated pole of an oval cross section, and wing support (6) front end vertically is connected with flapping wing rotating shaft (2) and plays rotation with one; Along the wing support axis wing plumage is installed equidistantly, the width of all wing plumages is identical, is arranged in order along wing support from front to back by its length is ascending, and wing plumage distance between any two is less than its width, in twos complete aerofoil of overlapped formation up and down; Servomotor (3) also is installed in fuselage, and servomotor (3) drives flapping wing rotating shaft (2) relative fuselage in certain angle by transmission gear (7) and comes back rotation, drives two flapping wings simultaneously and swings up and down in the fuselage afterbody both sides.
2. pseudo-bionic ornithopter as claimed in claim 1 is characterized in that described wing plumage supports (4) by plumage and plumage face (5) two parts are formed, and plumage support (4) is an elongated rectangular cross-sectional plane pole, and plumage support (4) vertically is connected in the wing support (6); Plumage face (5) is positioned at the plane of wing support oval cross section minor axis, by small one and large one two bonding forming of rectangular tab, one side of a wherein less rectangular tab is connected on the side of plumage support (4), and the plumage face (5) of the adjacent foil plumage in front is close to the below of a back wing plumage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200340949U CN201516920U (en) | 2009-08-04 | 2009-08-04 | Pseudo-bionic ornithopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200340949U CN201516920U (en) | 2009-08-04 | 2009-08-04 | Pseudo-bionic ornithopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201516920U true CN201516920U (en) | 2010-06-30 |
Family
ID=42497639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200340949U Expired - Fee Related CN201516920U (en) | 2009-08-04 | 2009-08-04 | Pseudo-bionic ornithopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201516920U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618765B (en) * | 2009-08-04 | 2012-04-18 | 蔡晋生 | Pseudo-bionic ornithopter |
| CN108032991A (en) * | 2017-11-03 | 2018-05-15 | 董志军 | A kind of variable aft swept wings, double aerofoil system production methods and aircraft |
| CN110937107A (en) * | 2019-11-21 | 2020-03-31 | 东莞理工学院 | Machine bird with anti external interference |
-
2009
- 2009-08-04 CN CN2009200340949U patent/CN201516920U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618765B (en) * | 2009-08-04 | 2012-04-18 | 蔡晋生 | Pseudo-bionic ornithopter |
| CN108032991A (en) * | 2017-11-03 | 2018-05-15 | 董志军 | A kind of variable aft swept wings, double aerofoil system production methods and aircraft |
| CN110937107A (en) * | 2019-11-21 | 2020-03-31 | 东莞理工学院 | Machine bird with anti external interference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20120804 |