Windproof mechanism of remote sensing surveying and mapping unmanned aerial vehicle

Abstract

The utility model discloses a wind-proof mechanism of a remote sensing surveying and mapping unmanned aerial vehicle, relates to the technical field of unmanned aerial vehicles, and aims to solve the technical problem that the flight control accuracy of the unmanned aerial vehicle is influenced due to the increase of resistance caused by the increase of the current wind-proof mechanism. The chassis and the wind shield are matched to shield the blades of the unmanned aerial vehicle, so that the influence of the high-altitude crosswind on the blades is reduced, the flying stability is improved, the chassis and the wind shield are combined through the sliding grooves and the balls, the effect that the wind shield can rotate can be achieved, and the blades of the unmanned aerial vehicle can be shielded through the matching of the chassis and the wind shield, so that the influence of the high-altitude crosswind on the blades is reduced. The chassis and the wind shield are combined through the sliding grooves and the balls, so that the effect that the wind shield can rotate can be achieved, and the unmanned aerial vehicle has the advantages that wind resistance is reduced, and the flight control accuracy of the unmanned aerial vehicle is improved.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and more specifically, to a windproof mechanism for remote sensing mapping UAVs. Background Technology

[0002] In the field of remote sensing and mapping, drones are playing an increasingly important role. However, during flight operations, drones often encounter varying degrees of wind interference, especially in windy environments such as high altitudes, open areas, or coastal areas. Strong winds can cause drones to lose control of their flight attitude, deviate from their planned routes, or even crash, seriously affecting the smooth progress of surveying and mapping tasks and the safety of the drones. Therefore, it is necessary to add wind-resistant mechanisms to drones to improve their flight stability in windy environments.

[0003] Existing wind protection mechanisms for drones typically involve installing a wind deflector or shield on top of the support frame to cover the blades. This reduces the impact of crosswinds on the blades during flight and improves the smoothness of blade rotation. However, the added weight of the wind deflector lowers the drone's thrust-to-weight ratio, increasing the contact area between the wind and the drone. This makes the drone sluggish when performing maneuvers such as rapid turns, accelerations, and emergency braking, resulting in increased drag and affecting the accuracy of drone flight control. Therefore, we propose a wind protection mechanism for remote sensing mapping drones. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a windproof mechanism for remote sensing and mapping drones, so as to solve the technical problem that the addition of windproof mechanisms leads to increased resistance and affects the accuracy of drone flight control.

[0005] To solve the above technical problems, the present invention provides the following technical solution: a windproof mechanism for a remote sensing and mapping drone, including a chassis installed on the top of the side end of the drone support, and a windproof cover for wrapping the blades is rotatably installed on the outer side of the chassis;

[0006] The outer edge of the chassis is provided with an annular sliding groove, and the side of the wind deflector that fits with the chassis is provided with several limiting grooves. The limiting grooves are rotatably installed with ball bearings that are inserted into the sliding grooves. Several air collecting strips are integrally formed on the outer wall of the wind deflector.

[0007] This invention utilizes the combination of a chassis and a windshield to shield the drone's blades, reducing the impact of crosswinds at high altitudes and improving flight stability. The combination of a sliding groove and ball bearings between the chassis and the windshield allows the windshield to rotate. Combined with the wind-collecting strips, the windshield can be pushed to rotate under crosswinds, thus achieving a diversion effect. This reduces the direct thrust of crosswinds on the windshield, decreases drag, maintains good control over the drone's flight, and improves control precision.

[0008] Preferably, a resistance groove is provided on one side of the air collecting strip, and a flow outlet communicating with the resistance groove is provided on the outer wall of the air collecting strip, and the diameter of the flow outlet is smaller than the diameter of the resistance groove.

[0009] Preferably, a baffle strip for blocking the air intake is fixed on the outer wall of the air collecting strip, and the baffle strip is made of flexible rubber.

[0010] Preferably, the wind deflector has integrally formed connecting strips on both sides that are fixedly connected to the outer wall of the air collecting strip, and an air outlet is reserved between the wind deflector and the air collecting strip through the support of the connecting strips.

[0011] Preferably, the limiting groove extends inward to form an extension groove, and an elastic pad for supporting the ball is fixedly provided inside the extension groove.

[0012] Preferably, the top of the chassis is fixedly provided with a baffle strip to cover the connection between the chassis and the windshield, and the baffle strip is in close contact with the surface of the windshield.

[0013] Preferably, the windshield has an internal cavity, and the shape of the cavity is the same as that of the windshield.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model can shield the drone blades by combining the chassis and the windshield, thereby reducing the impact of crosswinds at high altitudes and improving flight stability. The combination of grooves and ball bearings between the chassis and the windshield allows the windshield to rotate. With the addition of wind-collecting strips, the windshield can be pushed to rotate under crosswinds, thereby achieving a diversion effect, reducing the thrust of crosswinds directly on the windshield, reducing drag, maintaining good control of the drone's flight, and improving control accuracy.

[0016] 2. This utility model further improves the air collection effect by opening resistance grooves on the side of the air collecting strip, enhances the effect of the air collecting strip driving the windshield to rotate, and the opening of the air inlet can achieve the function of ventilation, improve the airflow, and achieve the effect of controlling the rotation speed of the windshield. The design of the air baffle strip can further adjust the air volume of the air inlet. The flexible air baffle strip can change shape under the influence of wind force, thereby adjusting the air outlet diameter between the air baffle strip and the air collecting strip, so that the windshield can maintain a uniform rotation speed under the influence of different wind forces, reducing the impact of wind resistance on the flight of the drone. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a partial structural schematic diagram of the present invention;

[0019] Figure 3 for Figure 2 A schematic diagram of the cross-section structure;

[0020] Figure 4 for Figure 3 Enlarged structural diagram of section A;

[0021] Figure 5 for Figure 2 Enlarged structural diagram of section B.

[0022] The following are the labels in the diagram: 1. Chassis; 101. Mounting hole; 102. Perforation; 103. Slide groove; 104. Seam guard strip; 2. Windshield; 201. Limiting groove; 202. Ball bearing; 203. Extension groove; 204. Elastic pad; 205. Cavity; 3. Air collection strip; 301. Resistance groove; 302. Air outlet; 4. Windshield strip; 401. Connecting strip; 402. Air outlet. Detailed Implementation

[0023] like Figures 1 to 5 As shown, the present invention relates to a windproof mechanism for a remote sensing and mapping drone, including a chassis 1 installed on the top of the side of the drone support. A windshield 2 for wrapping the blades is rotatably installed on the outer side of the chassis 1. The cooperation between the chassis 1 and the windshield 2 to wrap the blades can reduce the impact of crosswinds on the blades and improve flight stability. The center of the chassis 1 has a mounting hole 101 for fitting onto the outer side of the blade rotor. The opening of several perforations 102 can prevent water accumulation in rainy weather.

[0024] An annular groove 103 is provided on the outer edge of the chassis 1. Several limiting grooves 201 are provided on the side of the windshield 2 that fits against the chassis 1. A ball bearing 202 is rotatably installed inside the limiting groove 201 and is inserted into the groove 103. Several air collecting strips 3 are integrally formed on the outer wall of the windshield 2. The combination of the groove 103 and the ball bearing 202 allows the windshield 2 to rotate under the limitation of the chassis 1. The ball bearing 202 is rotatably set inside the limiting groove 201, which can reduce the frictional resistance during rotation, reduce wear, and improve the smoothness of the windshield 2's rotation.

[0025] In an embodiment of this utility model, a resistance groove 301 is provided on one side of the air collecting strip 3, and a flow inlet 302 communicating with the resistance groove 301 is provided on the outer wall of the air collecting strip 3, and the diameter of the flow inlet 302 is smaller than the diameter of the resistance groove 301. The opening of the resistance groove 301 can facilitate the collection of crosswinds and improve the effect of crosswinds pushing the air collecting strip 3 to move. The opening of the flow inlet 302 can reduce the airflow range, reduce the air volume around the wind deflector 2, and reduce the occurrence of turbulence.

[0026] In an embodiment of this utility model, a wind deflector 4 for blocking the air intake 302 is fixedly provided on the outer wall of the air collecting strip 3, and the wind deflector 4 is made of flexible rubber. The wind deflector 4 can further block the airflow from the air intake 302. At the same time, the flexible material can deform under the influence of wind force, so as to adjust the airflow to the corresponding size under different wind force and maintain the stability of wind speed flow.

[0027] In the embodiments of this utility model, the wind deflector 4 has connecting strips 401 integrally formed on both sides and fixedly connected to the outer wall of the wind collecting strip 3. The wind deflector 4 is supported by the connecting strips 401 and has an air outlet 402 reserved between it and the wind collecting strip 3. The diameter of the air outlet 402 between the wind deflector 4 and the wind cover 2 can be limited by the limiting of the connecting strips 401. With the deformable effect of the wind deflector 4, the diameter can be changed by itself, improving the flexibility of the structure.

[0028] In an embodiment of this utility model, the limiting groove 201 extends inward to form an extension groove 203, and an elastic pad 204 for supporting the ball 202 is fixedly provided inside the extension groove 203. The elastic pad 204 provided inside the extension groove 203 can make the ball 202 have a certain rebound displacement effect inside the limiting groove 201, and can adjust its position by itself when obstructed, which is beneficial for rotational movement.

[0029] In an embodiment of this utility model, a baffle strip 104 is fixedly provided on the top of the chassis 1 to cover the connection between the chassis 1 and the windshield 2, and the baffle strip 104 is attached to the surface of the windshield 2. The baffle strip 104 can cover the connection between the chassis 1 and the windshield 2, reducing the amount of dust falling into the position where the slide groove 103 and the ball bearing 202 meet, and maintaining the smoothness of the movement.

[0030] In an embodiment of this utility model, the windshield 2 has an internal cavity 205, the shape of which is the same as that of the windshield 2; this can reduce weight and lower the load on the drone.

[0031] Working Principle: This embodiment provides a windproof mechanism for a remote sensing mapping drone. When the drone is flying at high altitude for mapping work, the addition of the chassis 1 and the wind deflector 2 can shield the flight blades, reducing the crosswinds they come into contact with and maintaining flight stability. When the crosswinds come into contact with the surface of the wind deflector 2, they will collide with the surface of the wind deflector 2 and change wind direction, thus coming into contact with the wind collector strip 3. The thrust on the wind collector strip 3 can cause the wind deflector 2 to deflect, causing the wind deflector 2 to rotate. The drag groove 301 opened on the side of the wind collector strip 3 It can achieve the effect of wind collection, thereby increasing the force that pushes the wind collection strip 3 to move. Combined with the opening of the air intake 302, it can facilitate airflow. The small diameter design can reduce the airflow speed. In windy conditions, it can reduce the phenomenon of turbulence generated behind the wind shield 2. Combined with the design of the wind shield 4, it can further improve the reduction of wind speed. At the same time, the retractable nature of the wind shield 4 can change its shape according to the wind force and automatically adjust the size of the air outlet 402. The reduction of wind speed can improve the stability of the drone's flight and enhance the effect of stable surveying and mapping.

[0032] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A wind protection mechanism for a remote sensing mapping drone, characterized in that, Including the chassis (1) installed in the side end top of the unmanned aerial vehicle support, the outer side of the chassis (1) is rotatably installed with a wind shield (2) for wrapping the blade; An annular chute (103) is formed at the outer edge of the chassis (1), a plurality of limiting grooves (201) are formed at the side edge of the wind shield (2) which is attached to the chassis (1), the limiting grooves (201) are rotatably installed with a plurality of balls (202) which are inserted into the chute (103), and a plurality of wind collecting strips (3) are integrally formed on the outer wall of the wind shield (2).

2. The wind protection mechanism for remote sensing mapping drones according to claim 1, characterized in that, One side of the wind collecting strip (3) is provided with a resistance groove (301), the outer wall of the wind collecting strip (3) is provided with a drainage port (302) which is in communication with the resistance groove (301), and the diameter of the drainage port (302) is smaller than that of the resistance groove (301).

3. The wind protection mechanism for remote sensing mapping drones according to claim 2, wherein, The outer wall of the wind collecting strip (3) is fixedly provided with a wind blocking strip (4) for shielding the drainage port (302), and the material of the wind blocking strip (4) is flexible rubber.

4. The wind protection mechanism for remote sensing mapping drones according to claim 3, wherein, Both sides of the wind blocking strip (4) are integrally formed with a connecting strip (401) which is fixedly connected to the outer wall of the wind collecting strip (3), and an air outlet (402) is reserved between the wind blocking strip (4) and the wind collecting strip (3) through the support of the connecting strip (401).

5. The wind protection mechanism for remote sensing mapping drones according to claim 1, wherein, The limiting groove (201) is inwardly extended to form an extension groove (203), and the extension groove (203) is fixedly provided with an elastic pad (204) for supporting the ball (202).

6. The wind protection mechanism for remote sensing mapping drones of claim 1, wherein, The top of the chassis (1) is fixedly provided with a blocking seam strip (104) which blocks the connection between the chassis (1) and the wind shield (2), and the blocking seam strip (104) is connected to the surface of the wind shield (2).

7. The wind protection mechanism for remote sensing mapping drones according to claim 1, wherein, The wind shield (2) is internally configured with a cavity (205), and the shape of the cavity (205) is the same as that of the wind shield (2).

Images