Multi-attitude unmanned aerial vehicle

Abstract

An unmanned aerial vehicle body is provided with a plurality of radial cantilevers, an outer rotating ring is arranged between every two adjacent cantilevers, one end of each outer rotating ring is driven by a driving motor A installed on one cantilever, and the other end of each outer rotating ring is rotationally connected to the end of the other cantilever through a rotating shaft A; one end of the inner rotating ring is driven by a driving motor B installed on the outer rotating ring, and the other end of the inner rotating ring is rotationally connected to the outer rotating ring through a rotating shaft B. A propeller is installed in the center of the inner rotating ring. The rotating shaft of the outer rotating ring is perpendicular to the rotating shaft of the inner rotating ring; and the controller controls the driving motor A and the driving motor B to rotate to a specified angle and then stop. The rotating angle of the driving motor A is controlled through the controller, the deflection angle of the outer rotating ring is controlled, the rotating angle of the driving motor B is controlled through the controller, the deflection angle of the inner rotating ring is controlled, and therefore multi-angle adjustment of different postures in the flight process of the unmanned aerial vehicle is achieved, and the flight posture requirements of different use occasions are met.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles, and in particular to a multi-attitude unmanned aerial vehicle. Background Art

[0002] The propeller angles of most existing drones are not adjustable. Therefore, multi-angle adjustment cannot be achieved during flight, and thus the diversification of flight postures cannot be achieved. When passing through narrow spaces, most of the drones in the prior art can only maintain horizontal flight or slightly tilted flight, and cannot perform vertical flight of the body. Therefore, they cannot pass through narrow spaces well. Summary of the invention

[0003] To this end, the present invention provides a multi-attitude UAV to solve the above-mentioned problems in the prior art. In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: According to the first aspect of the present invention, a multi-attitude UAV includes a UAV body, a cantilever, a support leg, a drive motor A, a rotating shaft A, an outer rotating ring, an inner rotating ring, a drive motor B, a rotating shaft B, a propeller and a controller; the UAV body is provided with a plurality of radial cantilevers, an outer rotating ring is provided between adjacent cantilevers, one end of the outer rotating ring is driven by a drive motor A installed on one of the cantilevers, and the other end thereof is rotatably connected to the end of another cantilever through the rotating shaft A; one end of the inner rotating ring is driven by a drive motor B installed on the outer rotating ring, and the other end thereof is rotatably connected to the outer rotating ring through the rotating shaft B, and a propeller is installed at the center of the inner rotating ring; the rotating shaft of the outer rotating ring is perpendicular to the rotating shaft of the inner rotating ring; a curved support leg is extended downward from the bottom surface of the end of the cantilever; the controller controls the drive motor A and the drive motor B to rotate to a specified angle and then stop.

[0004] Furthermore, it also includes a fan-shaped mounting plate, and a fan-shaped mounting plate is installed at the end of each cantilever, wherein a driving motor A is installed on the side edge of the fan-shaped mounting plate of one cantilever, and a rotating shaft A is rotatably connected to the side edge of the fan-shaped mounting plate of another adjacent cantilever.

[0005] Furthermore, the curvature centers of the plurality of fan-shaped mounting plates are the same and are located at the exact center of the drone body.

[0006] Furthermore, the outer rotating ring is a circular sheet structure.

[0007] Furthermore, the inner rotating ring is a circular sheet structure.

[0008] Furthermore, the outer rotating ring is provided with a plurality of hollow weight-reducing holes.

[0009] Furthermore, the inner swivel is provided with a plurality of hollow weight-reducing holes.

[0010] Furthermore, the propeller is installed in the inner rotating ring through a plurality of spokes.

[0011] Furthermore, the driving motor A is a stepping motor, and the driving motor B is a stepping motor.

[0012] Furthermore, the controller is a single chip microcomputer controller.

[0013] The present invention has the following advantages: through a multi-posture UAV of the present invention, the controller controls the rotation angle of the driving motor A to realize the control of the deflection angle of the outer rotating ring, and the controller controls the rotation angle of the driving motor B to realize the control of the deflection angle of the inner rotating ring, thereby realizing the adjustment of multi-angle and different postures during the flight process of the UAV, and meeting the flight posture requirements of different usage occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A first-person perspective stereogram of a multi-posture drone provided in some embodiments of the present invention.

[0015] Figure 2 A second perspective stereoscopic image of a multi-posture drone provided in some embodiments of the present invention.

[0016] Figure 3 A front view of a multi-posture drone provided in some embodiments of the present invention.

[0017] Figure 4 A top view of a multi-posture UAV provided for some embodiments of the present invention.

[0018] In the figure, 1. UAV body, 2. cantilever, 3. support leg, 4. fan-shaped mounting plate, 5. drive motor A, 6. outer swivel, 7. rotating shaft A, 8. inner swivel, 9. drive motor B, 10. rotating shaft B, 11. propeller. DETAILED DESCRIPTION

[0019] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1

[0021] like Figures 1 to 4As shown, a multi-attitude UAV in an embodiment of the first aspect of the present invention comprises a UAV body 1, a cantilever 2, a support leg 3, a drive motor A5, a rotating shaft A7, an outer swivel 6, an inner swivel 8, a drive motor B9, a rotating shaft B10, a propeller 11 and a controller; the UAV body 1 is provided with a plurality of radial cantilevers 2, an outer swivel 6 is provided between adjacent cantilevers 2, one end of the outer swivel 6 is driven by a drive motor A5 installed on one of the cantilevers 2, and the other end thereof is rotatably connected to the end of another cantilever 2 through a rotating shaft A7; one end of the inner swivel 8 is driven by a drive motor B9 installed on the outer swivel 6, and the other end thereof is rotatably connected to the outer swivel 6 through a rotating shaft B10, and a propeller 11 is installed at the center of the inner swivel 8; the rotating shaft of the outer swivel 6 is perpendicular to the rotating shaft of the inner swivel 8; a bent support leg 3 is provided on the bottom surface of the end of the cantilever 2 extending downward; the controller controls the drive motor A5 and the drive motor B9 to rotate to a specified angle and then stop.

[0022] In the above embodiment, it should be noted that when in use, the controller controls the rotation angles of the drive motor A5 and the drive motor B9, thereby realizing the change of the flight attitude of the UAV. When the outer swivel 6 and the inner swivel 8 are located on the surface where the UAV body 1 and the cantilever 2 are located, the UAV is in a level flight state; when one of the outer swivel 6 and the inner swivel 8 is deflected, the UAV is in an oblique flight state.

[0023] The technical effect achieved by the above embodiment is: through a multi-posture UAV of this embodiment, the controller controls the rotation angle of the drive motor A to achieve the control of the deflection angle of the outer rotating ring, and the controller controls the rotation angle of the drive motor B to achieve the control of the deflection angle of the inner rotating ring, thereby achieving the adjustment of multi-angle and different postures of the UAV during flight and meeting the flight posture requirements of different usage scenarios.

[0024] Example 2

[0025] like Figures 1 to 4 As shown, a multi-posture UAV includes all the contents of Example 1, and in addition, also includes a fan-shaped mounting plate 4, and a fan-shaped mounting plate 4 is installed at the end of each cantilever 2, wherein a driving motor A5 is installed on the side edge of the fan-shaped mounting plate 4 of one cantilever 2, and the side edge of the fan-shaped mounting plate 4 of another adjacent cantilever 2 is rotatably connected to a rotating shaft A7.

[0026] Optionally, the curvature centers of the plurality of sector-shaped mounting plates 4 are the same and are located at the exact center of the drone body 1 .

[0027] The technical effect achieved by the above embodiment is: by setting the fan-shaped mounting plate 4, a stable installation position is provided for the installation of the outer rotating ring 6, and by setting the same curvature center of multiple fan-shaped mounting plates 4, the aesthetic appearance of the UAV is improved, so that the force is evenly applied to various parts of the UAV during flight.

[0028] Example 3

[0029] like Figures 1 to 4 As shown, a multi-posture UAV includes all the contents of Example 2, except that the outer rotating ring 6 is a circular sheet structure.

[0030] Optionally, the inner rotating ring 8 is a circular sheet structure.

[0031] Optionally, the outer swivel ring 6 is provided with a plurality of hollow weight-reducing holes.

[0032] Optionally, the inner swivel 8 is provided with a plurality of hollow weight-reducing holes.

[0033] The technical effects achieved by the above embodiments are as follows: by providing an outer swivel ring 6 and an inner swivel ring 8 with circular sheet structures, the smoothness of the rotation of the two is ensured; by providing weight-reducing holes in the outer swivel ring 6 and the inner swivel ring 8, the weight of the UAV during flight is reduced.

[0034] Example 4

[0035] like Figures 1 to 4 As shown, a multi-posture UAV includes all the contents of Example 3, except that the propeller 11 is installed in the inner rotating ring 8 through a plurality of spokes.

[0036] The technical effect achieved by the above embodiment is: through the above arrangement, the stability of the installation of the propeller 11 is improved.

[0037] Example 5

[0038] like Figures 1 to 4 As shown, a multi-posture UAV includes all the contents of Example 4, except that the drive motor A5 is a stepper motor and the drive motor B9 is a stepper motor.

[0039] Optionally, the controller is a single chip microcomputer controller.

[0040] The technical effects achieved by the above embodiments are as follows: by setting the drive motor A5 and the drive motor B9 to be stepper motors, the smoothness of the motor rotation is improved; by setting the controller to be a single-chip microcomputer controller, the processing cost is significantly reduced and the control accuracy is improved.

[0041] Specifically, the outer swivel rings 6 and the inner swivel rings 8 are each in groups of four, the angle between adjacent cantilevers 2 is 90°, and the rotation axes of the inner swivel rings 8 are radially distributed along the center of the drone body 1 .

[0042] In the description of the present invention, it is to be understood that the terms “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0046] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

[0047] In the description of this specification, the description with reference to the terms "embodiment one", "embodiment two", "example", "specific example", or "some examples" means that the specific method, device or feature described in conjunction with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, methods, devices or features described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-attitude UAV, characterized in that: The invention comprises an unmanned aerial vehicle body (1), a cantilever (2), a supporting leg (3), a driving motor A (5), a rotating shaft A (7), an outer rotating ring (6), an inner rotating ring (8), a driving motor B (9), a rotating shaft B (10), a propeller (11) and a controller; a plurality of cantilevers (2) are radially connected to the unmanned aerial vehicle body (1), an outer rotating ring (6) is arranged between adjacent cantilevers (2), one end of the outer rotating ring (6) is driven by a driving motor A (5) installed on one of the cantilevers (2), and the other end of the outer rotating ring (6) is rotatably connected to the cantilever (2) via the rotating shaft A (7). The inner rotating ring (8) is connected to the end of another cantilever (2); one end of the inner rotating ring (8) is driven by a driving motor B (9) installed on the outer rotating ring (6), and the other end thereof is rotatably connected to the outer rotating ring (6) through a rotating shaft B (10); a propeller (11) is installed at the center of the inner rotating ring (8); the rotating shaft of the outer rotating ring (6) is perpendicular to the rotating shaft of the inner rotating ring (8); a bent supporting leg (3) is extended downward from the bottom surface of the end of the cantilever (2); and a controller controls the driving motor A (5) and the driving motor B (9) to rotate to a specified angle and then stop.

2. The multi-attitude UAV according to claim 1, characterized in that: It also includes a fan-shaped mounting plate (4) connected to the end of each cantilever (2), wherein a driving motor A (5) is installed on the side edge of the fan-shaped mounting plate (4) of one cantilever (2), and a rotating shaft A (7) is rotatably connected to the side edge of the fan-shaped mounting plate (4) of another adjacent cantilever (2).

3. The multi-attitude UAV according to claim 2, characterized in that: The centres of curvature of the sector-shaped mounting plates (4) are the same and are located at the exact centre of the drone body (1).

4. The multi-attitude UAV according to claim 1, characterized in that: The outer rotating ring (6) is a circular ring-shaped sheet structure.

5. The multi-attitude UAV according to claim 4, characterized in that: The inner rotating ring (8) is a circular ring-shaped sheet structure.

6. The multi-attitude UAV according to claim 5, characterized in that: The outer rotating ring (6) is provided with a plurality of hollow weight-reducing holes.

7. The multi-attitude UAV according to claim 6, characterized in that: The inner rotating ring (8) is provided with a plurality of hollow weight-reducing holes.

8. The multi-attitude UAV according to claim 1, characterized in that: The propeller (11) is installed in the inner rotating ring (8) through a plurality of spokes.

9. The multi-attitude UAV according to claim 1, characterized in that: The drive motors A (5) and B (9) are both stepper motors.

10. The multi-attitude UAV according to claim 1, characterized in that: The controller is a single chip microcomputer controller.

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