KR20160014266A - Drone - Google Patents

Abstract

[0001] The present invention relates to an unmanned aerial vehicle equipped with a propeller for horizontal movement, comprising a body, a plurality of first arms extending radially along the periphery of the body, a second arm mounted on an end of the first arm, A second arm extending from one side of the body to the outside of the body and a second propeller mounted on an end of the second arm and generating thrust for horizontal flight.

Description

Unmanned aircraft {Drone}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unmanned aerial vehicle for use in aerial photographing and the like, and more particularly to a unmanned aerial vehicle equipped with a propeller for horizontal movement.

Recently, technology development for unmanned aerial vehicles is being activated. Unmanned aerial vehicles can provide aerial image information in areas where access is not easy, can perform reconnaissance and surveillance missions, This is because the value of the application is increasing throughout the industry.

Patent literature on conventional unmanned aerial vehicles is well known, and examples thereof include Korean Patent No. 10-1042200 (Patent Document 1) and Korean Patent No. 10-1340409 (Patent Document 2).

Generally, a conventional unmanned aerial vehicle includes a central body, a plurality of arms extending radially along the periphery of the body, and a plurality of propellers mounted on the ends of the respective arms.

At this time, the propeller of the unmanned aerial vehicle is vertically mounted on the ground for vertical takeoff and landing. Therefore, in order for the unmanned aerial vehicle to move horizontally after takeoff, the body should be inclined by about 45 ° to 50 ° Do.

However, when the body is inclined in such a direction as described above, a camera or a propeller is caught at an angle of a camera for photographing the image mounted on the lower part of the body, so that it is impossible to shoot the moving direction or to obtain a clean image.

KR 10-1042200 B1 (June 10, 2011 Enrollment) KR 10-1340409 B1 (2013.12.05 Enrollment)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a unmanned aerial vehicle capable of horizontal flight without tilting the body.

Another object of the present invention is to provide an unmanned aerial vehicle having a propulsion unit for horizontal flight.

Another object of the present invention is to provide a unmanned aerial vehicle capable of horizontal flight in a stable posture.

SUMMARY OF THE INVENTION The object of the present invention is to provide a propeller for a vehicle, which comprises a body, a plurality of first arms extending radially around the body, a first propeller mounted on an end of the first arm for generating thrust for vertical flight, A second arm extending from one side to the outside of the body and a second propeller mounted on an end of the second arm and generating a thrust for horizontal flight.

According to a preferred aspect of the present invention, the first propeller has a rotation axis perpendicular to the ground, and the second propeller has a rotation axis parallel to the ground.

According to another preferred feature of the present invention, the second arm can be arranged on the same plane as the first arm.

According to another preferred feature of the present invention, the second arm can extend longer than the first arm, between the adjacent pair of first arms.

According to another preferred aspect of the present invention, there is provided a driving apparatus for a vehicle comprising: a pair of first engagement blocks coupled to ends of a first arm; a bracket coupled to an upper side of the first engagement block; and a first drive motor coupled to an upper side of the bracket, And the first propeller can be coupled to the rotation axis of the first drive motor.

According to another preferred aspect of the present invention, there is provided an air conditioner, comprising: a second coupling block coupled to an end of a second arm; and a second drive motor coupled to an end of the second coupling block, As shown in Fig.

According to another preferred aspect of the present invention, a balance weight may be provided on one side of the first arm opposite to the second arm with the body therebetween.

According to another preferred aspect of the present invention, there is provided a propeller comprising: a third arm extending to the outside of the body so as to be orthogonal to the second arm; and a second arm mounted on an end of the third arm and generating a thrust force in a direction perpendicular to a thrust direction of the first propeller And may further include a third propeller.

According to the unmanned aerial vehicle according to the present invention, it is possible to move horizontally without tilting the body during flight, thereby preventing a cancer or a propeller from being caught on the angle of the camera mounted on the lower part of the body.

In addition, according to the unmanned aerial vehicle according to the present invention, it is easy to operate the horizontal flight, so that it can fly in a stable posture without difficult manipulation techniques.

1 is a perspective view of an unmanned aerial vehicle according to an embodiment of the present invention;
2 is a plan view of an unmanned aerial vehicle according to an embodiment of the present invention;
3 is a bottom view of an unmanned aerial vehicle according to an embodiment of the present invention.
4 is an exploded perspective view of an unmanned aerial vehicle according to an embodiment of the present invention.
5 is a plan view of an unmanned aerial vehicle according to another embodiment of the present invention.
6 is a plan view of an unmanned aerial vehicle according to another embodiment of the present invention;

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the embodiments described below are only for explanation of the embodiments of the present invention so that those skilled in the art can easily carry out the invention, It does not mean anything. In describing various embodiments of the present invention, the same reference numerals are used for components having the same technical characteristics.

Example

FIG. 1 is a perspective view of an unmanned aerial vehicle according to an embodiment of the present invention, FIG. 2 is a plan view of an unmanned aerial vehicle according to an embodiment of the present invention, FIG. 3 is a bottom view of an unmanned aerial vehicle according to an embodiment of the present invention to be.

1 to 3, an unmanned flying vehicle 10 according to an embodiment of the present invention includes a body 20, a plurality of first arms (not shown) extending radially around the body 20, 30 and a plurality of first propellers 40 provided at an end of the first arm 30.

The body 20 is equipped with various components including a power unit (not shown), a controller (not shown), and a camera (not shown) for capturing an image. The first propeller 40 is installed perpendicularly to the ground, And provides a thrust for vertical lift when the body 20 is taken off.

The unmanned aerial vehicle 10 according to the embodiment of the present invention can horizontally fly in one direction without inclining the rotation axis of the body 20 or the first propeller 40 after takeoff. 2 arm 50 is extended and a second propeller 60 is provided at the end of the second arm 50.

The rotation of the second propeller 60 is parallel to the ground so that when the second propeller 60 is rotated the body 20 is rotated by the thrust generated from the second propeller 60, And is horizontally moved along the direction.

In order to prevent the first propeller 40 and the second propeller 60 from interfering with each other during rotation, the length of the second arm 50 extending from the body 20 is set such that the length of the first arm 30, Is longer than the length extending from the first end (20). That is, the second propeller 60 is preferably located outside the first propeller 40. When the second propeller 60 is positioned on the outer side of the first propeller 40, the second propeller 60 has a larger size, such as a length, so that sufficient thrust required for horizontal flight can be secured.

4 is an exploded perspective view of an unmanned aerial vehicle according to an embodiment of the present invention.

As shown in FIG. 4, the body 20 includes a first plate 21 and a second plate 22 spaced apart from each other by a predetermined distance in the vertical direction. Although the embodiment of the present invention shows the first and second plates 21 and 22 in the form of a disk, it is not limited thereto and may be formed of various types of plates as required.

In order to reduce the weight of the body 20, the first and second plates 21 and 22 are preferably made of a lightweight material, and it is also necessary to have a predetermined durability. For example, carbon can be applied to the first and second plates 21 and 22, and a light metal material having excellent rigidity such as aluminum can be applied.

Various components such as a power supply unit, a control unit, and the like may be mounted on the first plate 21, and a camera for aerial photographing may be mounted on a lower portion of the second plate 22.

At this time, for example, a semi-spherical upper cap (not shown) may be coupled to the upper side of the first plate 21 in order to protect various components mounted on the first plate 21. In addition, a hemispherical lower cap (not shown) may be coupled to the lower side of the second plate 22 to protect the camera below the second plate 22. Of course, the sizes and specific shapes of the upper and lower caps may be appropriately selected according to need, and the lower cap is preferably made of a transparent material for photographing the camera.

Although the structure and the shape of the body 20 have been described above with respect to the embodiment of the present invention, the present invention is not limited thereto. In addition to the structure and the form described above, The configuration can of course be applied to the present invention as it is.

A plurality of first arms 30 are radially mounted along the perimeter of the body 20. At this time, one end of the plurality of first arms 30 is inserted and coupled between the first plate 21 and the second plate 22, and the first arm 30, like the body 20, It can be made of a variety of materials with rigidity and light weight.

It is preferable that the first arm 30 is formed in a hollow hollow pipe shape so that it contributes to the weight reduction of the first arm 30 and the first prop 30, And also serves as a passage through which wiring is connected for controlling the rotation of the motor 40. [

A first propeller 40 and a first drive motor 41 for rotationally driving the first propeller 40 are mounted on the end of the first arm 30 extending outside the body 20. First, a pair of first engaging blocks 31 spaced apart from each other are fitted to the outer peripheral surface of the end portion of the first arm 30, and a bracket 34 in the form of a plate is provided on the upper side of the first engaging block 31. [ And the first drive motor 41 is mounted on the upper side of the bracket 34 so that the rotation axis is perpendicular to the paper surface.

The first coupling block 31 includes an upper block 32 and a lower block 33 which are coupled to each other in the vertical direction with the first arm 30 interposed therebetween. The upper block 32 and the lower block 33 each include a pair of support portions 311 spaced from both sides in the width direction of the first arm 30 and a pair of support portions 311 connecting the first arm 30 30 having a curved surface corresponding to the shape of the outer peripheral surface. The connecting portion 312 of the upper block 32 is convex upward and the connecting portion 312 of the lower block 33 is convex downward. The upper block 32 and the lower block 33 And are symmetrical with each other.

The first coupling block 31 is configured such that the connecting portions 312 of the upper and lower blocks 32 and 33 surround the upper side and the lower side of the end portion of the first arm 30 and the supporting portions 311, And is coupled to the outer circumferential surface of the first arm 30.

The bracket 34 is coupled to an upper side of a pair of upper blocks 32 spaced apart from each other along the longitudinal direction of the first arm 30. A bracket 34 is provided on the upper side of the bracket 34 together with the first drive motor 41, 1 propeller 40 is mounted. The first drive motor 41 is installed vertically to the ground so that the first propeller 40 rotates in the horizontal direction with respect to the ground by the first drive motor 41, do.

The end of the first arm 30 inserted between the first plate 21 and the second plate 22 is also connected to the first plate 21 and the second plate 22 by a plurality of first coupling blocks 31. [ 22).

The first plate 21 is coupled to the upper side of the upper block 32 and the second plate 22 is coupled to the lower side of the lower block 33. The upper block 32 and the lower block 33 are coupled to each other in the vertical direction so as to surround the outer circumferential surface of the first arm 30, 1 plate 21 and the first arm 30 and the second plate 22 are coupled to each other, the size and number of the first coupling block 31 can be appropriately selected as needed.

The second arm 50 extends from one side of the body 20 to the outside of the body 20. At this time, the second arm 50 is preferably disposed on the same plane as the first arm 30, and extends longer than the first arm 30 between the adjacent pair of the first arms 30 .

The second arm 50 may be made of a rigid hollow material such as carbon or aluminum having a rigid structure such as a first arm 30. The second arm 50 may have a hollow pipe shape, And the second plate (22).

A second propeller 60 and a second drive motor 61 for rotationally driving the second propeller 60 are mounted on the other end of the second arm 50 extending outwardly of the body 20. The second coupling block 51 is coupled to the outer peripheral surface of the end of the second arm 50 and the second coupling block 51 is coupled to the end of the second coupling block 51 such that the rotation axis is parallel to the longitudinal direction of the second arm 50 2 drive motor 61 is mounted. At this time, the second coupling block 51 is in the form of a block having a hollow inside, and the second arm 50 is inserted and coupled to the hollow of the second coupling block 51.

The second propeller 60 coupled to the rotation shaft of the second drive motor 61 rotates perpendicularly to the ground by the operation of the second drive motor 61 and rotates in the longitudinal direction of the second arm 50 Generate thrust.

One end of the second arm 50 inserted between the first plate 21 and the second plate 22 is connected to the first plate 30 by a plurality of first coupling blocks 31 in the same manner as the first arm 30, (21) and the second plate (22). Although one end of the second arm 50 is coupled to the first plate 21 and the second plate 22 by the pair of first coupling blocks 31 in the figure, The number of the first coupling blocks 31 necessary for coupling one end of the first coupling block 31 to the body 20 can be appropriately selected as needed.

The first propeller 40 generates a thrust force in the direction of the ground in the operation of the first driving motor 41 so as to take off in the vertical direction in the unmanned flying body 10 according to the embodiment of the present invention, After the take-off, the second propeller (60) can be rotated horizontally in the longitudinal direction of the second arm (50) by the operation of the second drive motor (61). At this time, it is needless to say that the unmanned flight vehicle 10 can advance / reverse according to the forward / reverse rotation of the second propeller 60.

Therefore, according to the embodiment of the present invention, it is not necessary to tilt the body 20 in the moving direction for the horizontal flight as in the prior art, and the first arm 30 is attached to the camera angle mounted on the lower part of the body 20, Or the first propeller 40 is prevented from being reflected, and a clear image can be obtained.

5 is a plan view of an unmanned aerial vehicle according to another embodiment of the present invention.

When the first arm 30 is radially extended to the outside of the body 20, the center of gravity of the body 20 is located at the center of the body 20, so that the balance can be easily balanced during flight.

As described above, the second arm 50 is extended from the first arm 30 at one side of the body 20, and the second driving motor 61 and the second propeller 60 are provided at the end of the second arm 50, The center of gravity of the body 20 moves toward the second arm 50 so that it is difficult to balance during flight and the rotational speed of the first propeller 40 needs to be separately controlled.

According to another embodiment of the present invention, by adding the balance weight 35 to one side of the first arm 30 opposite to the second arm 50 about the body 20, the rotational speed of the first propeller 40 So that the balance of the unmanned aerial vehicle 10 'can be easily adjusted.

At this time, the balance weight 35 can be mounted on the outer circumference of the first arm 30 or inside the hollow. The weight and the mounting position of the balance weight 35 can be adjusted by adjusting the thrust of the first propeller 40 and the weight balance with the second arm 50 . ≪ / RTI > For example, as shown in FIG. 5, a balance weight 35 may be mounted on a pair of first arms 30 disposed on the opposite side of the second arm 50 and adjacent to each other.

6 is a plan view of an unmanned aerial vehicle according to another embodiment of the present invention.

As another embodiment of the present invention, the third arm 70 may be disposed in a direction orthogonal to the second arm 50, as shown in FIG. The third driving block 81 is connected to the end of the third arm 70 and the third driving block 81 is connected to the end of the third driving block 81, The third propeller 80 is mounted on the rotating shaft of the second driving motor 81 and is rotated in the direction perpendicular to the paper surface by the operation of the third driving motor 81. [

According to the unmanned aerial vehicle 10 "according to another embodiment of the present invention, the unmanned air vehicles 10, 10 'can move along the longitudinal direction of the second arm 50 in the above- Or horizontally along the longitudinal direction of the vehicle 70 or diagonally.

6, the rotation of the second propeller 60 is stopped and the third propeller 80 is rotated so that the unmanned air vehicle 10 "is moved horizontally along the longitudinal direction of the third arm 70 The second propeller 60 and the third propeller 80 can simultaneously fly horizontally in the diagonal direction by forward / reverse rotation of the second propeller 60 and the third propeller 80. At this time, The horizontal flight of the unmanned aerial vehicle 10 " can be realized in various directions by controlling the rotation direction and the rotation speed of the unmanned aerial vehicle 10 "

It is needless to say that the balance weight 35 described above with reference to FIG. 5 may be mounted on one side of the first arm 30 opposite to the second arm 50 and the third arm 70.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

10, 10 ', 10 ": unmanned vehicle
20: Body
21: first plate
22: second plate
30: first arm
35: Balance weight
40: First propeller
50: second arm
60: Second propeller
70: third arm
80: Third propeller

Claims (8)

Body;
A plurality of first arms extending radially along the perimeter of the body;
A first propeller mounted on an end of the first arm for generating a thrust for vertical flight;
A second arm extending from one side of the body to the outside of the body; And
And a second propeller mounted on an end of the second arm for generating a thrust for horizontal flight. The method according to claim 1,
Wherein the first propeller has a rotation axis perpendicular to the ground, and the second propeller has a rotation axis parallel to the ground. The method according to claim 1,
Wherein the second arm is disposed on the same plane as the first arm. The method of claim 3,
Wherein the second arm extends between the adjacent pair of first arms longer than the first arm. The method according to claim 1,
A pair of first engagement blocks coupled to ends of the first arm, a bracket coupled to an upper side of the first engagement block, and a first drive motor coupled to an upper side of the bracket, Wherein the propeller is coupled to the rotating shaft of the first driving motor. The method according to claim 1,
A second coupling block coupled to an end of the second arm and a second driving motor coupled to an end of the second coupling block, wherein the second propeller is coupled to a rotational axis of the second driving motor Features unmanned aircraft. The method of claim 4,
And a balance weight is provided on one side of the first arm opposite to the second arm with the body interposed therebetween. The method according to claim 1,
And a third propeller mounted on an end of the third arm and generating a thrust force in a direction perpendicular to a thrust direction of the first propeller, Wherein the unmanned aerial vehicle comprises:

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