基于下洗气流精准调控的单轴无人机
By using wind direction adjustment elements to coordinate deflection and generate an asymmetric wind field, the problem of inaccurate control of the downwash airflow angle of single-axis UAVs is solved, improving maneuverability and endurance, simplifying the mechanical structure and reducing energy consumption.
Patent Information
- Application Number
- CN202521736753.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-14
- Publication Date
- 2026-07-17
- Estimated Expiration
- 2035-08-14
AI Technical Summary
The current single-axis UAVs have insufficient precision in controlling the downwash airflow angle, resulting in wasted power and reduced endurance efficiency, making it difficult to achieve complex flight maneuvers and high maneuverability.
By employing wind direction adjustment elements for coordinated deflection, an asymmetric wind field is generated through the coordinated deflection of the angles of several wind direction adjustment elements, enabling control in multiple axes such as pitch, roll, and yaw. The tail rotor drive system is eliminated, and airflow intervention is used to replace power compensation.
It improves the maneuverability and endurance of single-axis UAVs, reduces mechanical transmission losses and failure rates, achieves millisecond-level response speed, and breaks through the maneuverability bottleneck of traditional single-axis UAVs.
Smart Images
Figure CN224511500U_ABST
Abstract
Claims
1. A single-axis unmanned aerial vehicle (UAV) based on precise control of downwash airflow, comprising a UAV body (1) and a rotor assembly (2) for generating wind power mounted on the UAV body (1), characterized in that, The UAV body (1) is equipped with a wind direction adjustment element (3) that can adjust the direction of the wind blown out by the rotor assembly (2).
2. The single-axis drone based on the precise regulation of the downwash airflow according to claim 1, characterized in that, The UAV body (1) includes a first annular support (11) and a second annular support (12). The bottom of the first annular support (11) is connected to the side wall of the second annular support (12) by a number of support rods (13). The wind direction adjustment element (3) is disposed on the second annular support (12), and the rotor assembly (2) is disposed on the first annular support (11).
3. The single-axis drone based on the precise regulation of the downwash airflow according to claim 2, characterized in that, The rotor assembly (2) includes a first drive motor (21), a drone rotor (22), a battery support frame (23), and a power battery (24). The first annular support member (11) has a motor support frame (14) inside. The bottom of the motor support frame (14) has the first drive motor (21). The end of the shaft of the first drive motor (21) is connected to the drone rotor (22). The main control board is installed in the middle of the motor support frame (14), and the top of the motor support frame (14) also has a battery support frame (23). The power battery (24) is detachably installed inside the motor support frame (14).
4. The single-axis drone based on the precise regulation of the downwash airflow according to claim 3, characterized in that, The vertical cross-sectional shape of the wind direction adjustment element (3) is rectangular, and the surface of the wind direction adjustment element (3) is provided with a plurality of wind direction channels (31), each of the wind direction channels (31) being located below the rotor (22) of the UAV.
5. The single-axis drone based on the precise regulation of the downwash airflow according to claim 4, characterized in that, The second annular support member (12) is provided with a wind direction adjustment support frame (15) inside. The wind direction adjustment support frame (15) is provided with a plurality of second drive motors (16) inside. One end of the wind direction adjustment element (3) is hinged to the middle of the wind direction adjustment support frame (15) and the other end of the wind direction adjustment element (3) is connected to the shaft of the second drive motor (16).
6. The single-axis UAV based on precise control of downwash airflow according to claim 4, characterized in that, Several fan-shaped sealing plates (17) are also provided between the bottom of the first annular support (11) and the top of the second annular support (12).
7. The single-axis drone based on the precise regulation of the downwash airflow according to claim 5, characterized in that, Each of the support rods (13) has several adsorption elements (10) on its sidewall for adsorption.
8. The single-axis drone based on the precise regulation of the downwash airflow according to claim 3, characterized in that, The side wall of the wind direction adjustment element (3) is also provided with a third annular support (32). The bottom of the third annular support (32) is provided with an annular groove (33). The bottom of the second annular support (12) is provided with a sliding support block (18) that is locked inside the sliding groove. The third annular support (32) can rotate relative to the first annular support (11) and the second annular support (12).
9. The single-axis drone based on the precise regulation of the downwash airflow according to claim 8, characterized in that, The side wall of the third annular support (32) is also fixed with a first bevel gear (34), and the side wall of the second annular support (12) is provided with a motor support plate (19). The motor support plate (19) is provided with a third drive motor (4), and the end of the shaft of the third drive motor (4) is provided with a second bevel gear (41) that is connected to the first bevel gear (34).