Coaxial dual-rotor unmanned aerial vehicle

By setting up support columns and stabilizing components in coaxial twin-rotor drones, the problem of insufficient rotor rotation stability is solved, and practicality and flexibility are improved through removable battery components, achieving higher rotor stability Convenient battery replacement.

CN119429210APending Publication Date: 2025-02-14浣江实验室 +1
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Patent Information

Application Number
CN202411819339.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-02-14

AI Technical Summary

Technical Problem

The existing coaxial twin-rotor drones have insufficient stability when rotating, and the battery pack is not removable, making them poor in practicality.

Method used

The upper and lower disc motors are fixedly connected by setting up support columns, and stable components are set on the motor mounting frame to improve the stability of rotor rotation; at the same time, a detachable battery assembly is designed to facilitate replacement of the battery pack, improving practicality and flexibility sex.

Benefits of technology

It improves the stability of rotor rotation, enhances the overall stability of the drone, and improves the convenience and practicality of battery replacement through removable battery components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a coaxial dual-rotor unmanned aerial vehicle. The coaxial dual-rotor unmanned aerial vehicle sequentially comprises a GPS assembly, a control assembly, a stabilizing assembly, a detachable battery assembly, an undercarriage and a shooting device from top to bottom, the GPS assembly comprises a bin cover, and a GPS positioner is arranged in the bin cover; the control assembly comprises a shell, motor mounting frames are arranged on the upper portion and the lower portion in the shell correspondingly, an upper disc type motor and a lower disc type motor are arranged on the motor mounting frames correspondingly, a supporting column is arranged between the center of the upper disc type motor and the center of the lower disc type motor for fixed connection, and an output shaft of the upper disc type motor is sleeved with a shaft ring. Upper connecting pieces are arranged on the left side and the right side of the shaft ring, upper rotor wings are arranged on the upper connecting pieces, and the outer portion of an output shaft of the lower disc type motor is connected with a rotating ring and a stabilizing assembly in a sleeving mode. The upper and lower disc type batteries are fixedly connected by arranging the supporting column, and meanwhile, the stability of the disc type motor during rotation is improved by arranging the stabilizing assembly, namely, the rotation stability of the rotor wing is improved.
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Description

Technical Field

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

[0002] With the development of science and technology, drones have been applied in various industries, and coaxial dual-rotor drones have been recognized by the market due to their excellent performance. Coaxial dual-rotor drones are suitable for a variety of fields, including agricultural plant protection, environmental monitoring and rescue, etc. However, existing coaxial dual-rotor drones have the following problems:

[0003] 1. When the upper and lower pairs of rotors rotate independently, there is no connection between them, which affects the stability of rotation;

[0004] 2. The battery pack is not removable and is not very practical. Summary of the invention

[0005] The purpose of the present invention is to provide a coaxial twin-rotor UAV in view of the defects and shortcomings of the prior art.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is: a coaxial twin-rotor unmanned aerial vehicle, the innovation of which is that it includes a GPS component, a control component, a stabilizing component, a detachable battery component, a landing gear and a camera in order from top to bottom; the GPS component includes a compartment cover, and a GPS locator is arranged in the compartment cover; the control component includes a shell, and motor mounting frames are respectively arranged in the upper and lower parts of the shell, and an upper disc motor and a lower disc motor are respectively arranged on the motor mounting frames, a support column is arranged between the centers of the upper disc motor and the lower disc motor for fixed connection, a shaft ring is sleeved on the output shaft of the upper disc motor, upper connecting members are arranged on the left and right sides of the shaft ring, and an upper rotor is arranged on the upper connecting member, and a rotating ring and a stabilizing component are respectively sleeved on the output shaft of the lower disc motor, a pair of limit rods are arranged on the inner wall of the rotating ring and fixedly connected to the output shaft of the lower disc motor, lower connecting members are arranged on the left and right sides of the rotating ring, and a lower rotor is arranged on the lower connecting member, a pair of wireless receiver mounting frames are arranged between the motor mounting frames, and a wireless receiver is fixedly arranged on the wireless receiver mounting frames.

[0007] Furthermore, the stabilization component includes a shell, a support frame is arranged inside the shell, a bearing is arranged at the center of the upper surface of the support frame, the bearing is sleeved on the output shaft of the lower disc motor, and a rotating bearing is also sleeved on the output shaft, a stabilization ring is arranged outside the rotating bearing, the stabilization ring and the rotating ring are fixedly connected by a pair of upper connecting rods, a gyroscope mounting bracket is arranged at the bottom of the support frame, a gyroscope is arranged inside the gyroscope mounting bracket, and the outside of the gyroscope mounting bracket is fixedly connected to the stabilization ring by a pair of lower connecting rods.

[0008] Furthermore, the battery assembly includes an outer shell, and battery compartments are provided on left and right sides of the outer shell, and a battery pack is snap-fitted into the battery compartment.

[0009] Furthermore, the camera is a visible light camera or a three-light pod.

[0010] After adopting the above structure, the beneficial effects of the present invention are:

[0011] The present invention fixes and connects the upper and lower disc batteries by arranging a support column, and at the same time improves the stability of the disc motor during rotation by arranging a stabilizing component, that is, improves the stability of the rotor rotation; by arranging a detachable battery component, it is easy to replace the battery pack, thereby improving practicality and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the external structure of the present invention;

[0013] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0014] Description of reference numerals:

[0015] 1-GPS assembly, 2 control assembly, 21 shell, 22 motor mounting frame, 23 upper disc motor, 24 lower disc motor, 25 support column, 26 shaft ring, 27 upper connecting piece, 28 upper rotor, 29 rotating ring, 210 limit rod, 211 lower connecting piece, 212 lower rotor, 213 wireless receiver mounting frame, 214 wireless receiver, 3 stabilizing assembly, 31 shell, 32 support frame, 33 rotating bearing, 34 stabilizing ring, 35 upper connecting rod, 36 gyroscope mounting bracket, 37 gyroscope, 38 lower connecting rod, 4 battery assembly, 41 shell, 42 battery pack, 5 landing gear, 6 camera, 7 hook. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described herein are only used to explain the present invention and are not used to limit the present invention.

[0018] See also Figure 1-2A coaxial twin-rotor drone comprises, from top to bottom, a GPS assembly 1, a control assembly 2, a stabilizing assembly 3, a detachable battery assembly 4, a landing gear 5 and a camera 6; the GPS assembly 1 comprises a compartment cover, in which a GPS locator is arranged; the control assembly 2 comprises a housing 21, in which motor mounting frames 22 are respectively arranged at the upper and lower parts of the housing 21, and an upper disk motor 23 and a lower disk motor 24 are respectively arranged on the motor mounting frames 22, a support column 25 is arranged between the centers of the upper disk motor 23 and the lower disk motor 24 for fixed connection, and an output shaft of the upper disk motor 23 is provided with a support column 25, and a support column 25 is arranged between the centers of the upper disk motor 23 and the lower disk motor 24 for fixed connection, and a support column 25 is arranged on the output shaft of the upper disk motor 23. A sleeve-connected shaft ring 26 is provided, and upper connecting pieces 27 are provided on the left and right sides of the shaft ring 26, and an upper rotor 28 is provided on the upper connecting piece 27. The output shaft of the lower disc motor 24 is sleeved on the outside of the rotating ring 29 and the stabilizing component 3 respectively. A pair of limit rods 210 are provided on the inner wall of the rotating ring 29 and fixedly connected with the output shaft of the lower disc motor 24. Lower connecting pieces 211 are provided on the left and right sides of the rotating ring 29, and a lower rotor 212 is provided on the lower connecting piece 211. A pair of wireless receiver mounting frames 213 are provided between the motor mounting frames 22, and a wireless receiver 214 is fixedly provided on the wireless receiver mounting frames 213. Specifically, after the upper disc motor 23 is started, it drives the shaft ring 26 to rotate, and the shaft ring 26 then drives the upper rotor 28 to rotate through the upper connecting piece 27. At the same time, the lower disc motor 24 is started, driving the rotating ring 29 to rotate, and the rotating ring 29 then drives the lower rotor 212 to rotate through the lower connecting piece 211; the support column 25 is used to connect the upper disc motor 23 and the lower disc motor 24, improve the integrity of the two, and benefit the stability of their operation. At the same time, the stabilizing component 3 improves the stability of the lower disc motor 24 during operation, that is, the stability of the upper and lower disc motors during rotation, thereby improving the stability of the rotor rotation.

[0019] In this embodiment, the stabilizing assembly 3 includes a shell 31, a support frame 32 is arranged inside the shell 31, a bearing is arranged at the center of the upper surface of the support frame 32, the bearing is sleeved on the output shaft of the lower disc motor, and a rotating bearing 33 is also sleeved on the output shaft, a stabilizing ring 34 is arranged outside the rotating bearing 33, the stabilizing ring 34 and the rotating ring 29 are fixedly connected by a pair of upper connecting rods 35, a gyroscope mounting bracket 36 is arranged at the bottom of the support frame 32, a gyroscope 37 is arranged inside the gyroscope mounting bracket 36, and the outside of the gyroscope mounting bracket 37 is fixedly connected to the stabilizing ring 34 by a pair of lower connecting rods 38. The stabilizing ring 34 and the rotating ring 29 are fixedly connected by the upper connecting rod 35, and the gyroscope mounting bracket 37 is fixedly connected to the stabilizing ring 34 by the lower connecting rod 38, so that the stabilizing ring 34, the rotating ring 29 and the gyroscope mounting bracket 37 are integrated into one, thereby ensuring that when the output shaft of the lower disc motor 24 rotates, the rotating bearing 33 is prevented from generating large vibrations, which is beneficial to the smooth operation of the lower disc motor 24, thereby ensuring the stability of the entire coaxial twin-rotor drone during operation.

[0020] In this embodiment, the battery assembly 4 includes an outer shell 41, and battery compartments are provided on the left and right sides of the outer shell 41. A battery pack 42 is provided in the battery compartment in a snap-fit ​​manner. The battery pack 42 can be disassembled for easy replacement, thereby improving practicality and flexibility.

[0021] In this embodiment, the camera 6 is a visible light camera or a three-light pod, which can be replaced and used as needed, which is convenient and flexible.

[0022] The above description is only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A coaxial twin-rotor UAV, characterized by: From top to bottom, it includes a GPS component, a control component, a stabilization component, a detachable battery component, a landing gear and a camera; the GPS component includes a compartment cover, and a GPS locator is arranged in the compartment cover; the control component includes a shell, and motor mounting frames are respectively arranged on the upper and lower parts of the shell, and an upper disc motor and a lower disc motor are respectively arranged on the motor mounting frames, a support column is arranged between the centers of the upper disc motor and the lower disc motor for fixed connection, a shaft ring is sleeved on the output shaft of the upper disc motor, upper connecting pieces are arranged on the left and right sides of the shaft ring, an upper rotor is arranged on the upper connecting piece, the output shaft of the lower disc motor is respectively sleeved on the outside of the rotating ring and the stabilization component, a pair of limit rods are arranged on the inner wall of the rotating ring and fixedly connected to the output shaft of the lower disc motor, lower connecting pieces are arranged on the left and right sides of the rotating ring, a lower rotor is arranged on the lower connecting piece, a pair of wireless receiver mounting frames are arranged between the motor mounting frames, and a wireless receiver is fixedly arranged on the wireless receiver mounting frames.

2. A coaxial twin-rotor UAV according to claim 1, characterized in that: The stabilizing assembly includes a shell, a support frame is arranged inside the shell, a bearing is arranged at the center of the upper surface of the support frame, the bearing is sleeved on the output shaft of the lower disc motor, and a rotating bearing is also sleeved on the output shaft, a stabilizing ring is arranged outside the rotating bearing, the stabilizing ring and the rotating ring are fixedly connected by a pair of upper connecting rods, a gyroscope mounting bracket is arranged at the bottom of the support frame, a gyroscope is arranged inside the gyroscope mounting bracket, and the outside of the gyroscope mounting bracket is fixedly connected to the stabilizing ring by a pair of lower connecting rods.

3. The coaxial twin-rotor UAV according to claim 1, characterized in that: The battery assembly comprises an outer shell, and battery compartments are provided on the left and right sides of the outer shell, and a battery pack is snap-fittedly arranged in the battery compartment.

4. The coaxial twin-rotor UAV according to claim 1, characterized in that: The camera is a visible light camera or a three-light pod.