Protective device for low-altitude flight of unmanned aerial vehicle

Abstract

The utility model relates to a protective device for low-altitude flight of an unmanned aerial vehicle, which comprises an unmanned aerial vehicle body and spherical protective covers, a plurality of wing fixing seats are uniformly arranged on the periphery of the unmanned aerial vehicle body, the spherical protective covers are mounted above the wing fixing seats, and rotor mechanisms are mounted in the spherical protective covers; a camera mechanism is arranged at the bottom of the unmanned aerial vehicle body, two undercarriages are arranged on the outer side below the unmanned aerial vehicle body, and non-slip mats are mounted at the bottom ends of the undercarriages; the utility model has the advantages of reasonable structure, good protection effect, prolonged service life, convenient installation, and improved safety factor.

Description

Technical Field

[0001] This utility model belongs to the field of unmanned aerial vehicle (UAV) technology, specifically relating to a protective device for UAVs flying at low altitudes. Background Technology

[0002] Unmanned aerial vehicles (UAVs), also known as drones, are unmanned aircraft controlled by radio remote control equipment and onboard program control devices, or operated autonomously, either completely or intermittently, by an onboard computer. Often, with the development of UAV control technology, multiple multi-rotor UAVs are used in swarm flight demonstrations and low-altitude photography. However, due to various factors, the propellers of these UAVs may collide, causing some to crash and be damaged. Additionally, to improve the quality of drone footage, operators may control the UAVs to fly at low altitudes. Compared to high-altitude flight, obstacles increase significantly, especially in urban environments where tall buildings and trees can obstruct drone flight. However, traditional drones lack protective components, and during low-altitude flight, due to the complex environment, drones may collide with obstacles, easily damaging propellers or cameras and causing loss of control and crashes. When the propeller is damaged, the drone is essentially out of control and may crash. Therefore, it is essential to provide a protective device for low-altitude drone flight that is structurally sound, provides good protection, extends service life, is easy to install, and improves safety. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a protective device for low-altitude flight of unmanned aerial vehicles (UAVs) that has a reasonable structure, good protection effect, extended service life, convenient installation, and improved safety factor.

[0004] The purpose of this utility model is achieved as follows: a protective device for low-altitude flight of unmanned aerial vehicles (UAVs) includes a UAV body and a spherical protective cover. Multiple wing mounting bases are evenly arranged around the outer periphery of the UAV body, and a spherical protective cover is installed above each wing mounting base. A rotor mechanism is installed inside each spherical protective cover. A camera mechanism is provided at the bottom of the UAV body, and two sets of landing gear are provided on the outer side of the lower part of the UAV body. Anti-slip pads are installed at the bottom of each landing gear.

[0005] The wing mounting base includes a base, which is fixedly connected to the UAV body via connecting columns. Each base has a cross-shaped bracket inside, and a center seat is installed at the intersection of the brackets.

[0006] The spherical protective cover includes a chassis fixedly connected to the central seat detachably. A top cover is correspondingly arranged above the chassis. Bottom rods are fixedly installed on the outer perimeters of both the chassis and the top cover. The bottom rods are all connected through first spherical three-joint connectors, and the first spherical three-joint connectors are connected to the frame rods. The frame rods are all connected through second spherical three-joint connectors.

[0007] Both the chassis and the top cover are of polygonal structures. The geometric centers of the bottom rods are fixed at the corresponding vertices of the chassis and the top cover. The first spherical three-joint connectors are located at the midpoints of each side of the chassis and the top cover.

[0008] The chassis and the bottom rods, the top cover and the bottom rods, and the corresponding first spherical three-joint connectors form a bottom polygonal structure framework and a top polygonal structure framework; the frame rods form a side polygonal structure framework through the second spherical three-joint connectors, and multiple side polygonal structure frameworks are connected to the bottom polygonal structure framework and the top polygonal structure framework to form a sphere.

[0009] The rotor mechanism includes a mounting seat fixedly connected to the chassis detachably. A column is arranged above the mounting seat. A hexagonal frustum seat is arranged on the upper part of the column. Multiple servos are arranged at intervals on the outer side surface of the hexagonal frustum seat. Rotors are all power-connected to the outside of the servos.

[0010] Above the top of the column, a three-fork main motor chassis is arranged. The top of the column is connected to the three-fork main motor chassis through a top seat. Multiple stabilizing rods are evenly arranged at intervals on the outer side of the three-fork main motor chassis. The free ends of the stabilizing rods are all connected to the corresponding frame rods through fixing heads.

[0011] A direct current brushless motor is installed on the three-fork main motor chassis. A folding propeller is installed on the direct current brushless motor. The folding propeller is power-connected to the direct current brushless motor through a propeller folding arm driving frame.

[0012] The camera mechanism includes a connecting seat fixedly connected to the bottom surface of the UAV body. A high-transparency protective cover is arranged below the connecting seat. A camera seat with a "mouth" - shaped structure is installed inside the high-transparency protective cover. The camera seat is fixedly connected to the UAV body through a connecting rod. Cameras are installed on the front, rear, left, and right side surfaces of the camera seat.

[0013] The beneficial effects of this utility model are as follows: This utility model is a protective device for low-altitude flight of unmanned aerial vehicles (UAVs). In use, the detachable spherical protective cover installed on the wing mounting base can cover the rotor mechanism inside the spherical protective cover. When the UAV collides, the spherical protective cover can protect the UAV body, preventing the UAV body from directly impacting obstacles or the ground. This avoids the risk of the UAV body falling from a high altitude and being damaged due to the impact of the propeller, thus preventing damage to the UAV and extending its service life. When high-altitude flight is required, the spherical protective cover can be removed, thereby reducing the weight of the entire device and wind resistance, achieving the effect of protecting the UAV propeller. This utility model effectively protects the internal camera of the camera mechanism through a high-transparency protective cover, while not affecting the photography effect of the UAV body during low-altitude flight. This utility model has the advantages of reasonable structure, good protection effect, extended service life, convenient installation, and improved safety factor. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a top view of the present invention.

[0016] Figure 3 This utility model Figure 2 A partial structural diagram.

[0017] Figure 4 This utility model Figure 1 A partial front view of the structure.

[0018] Figure 5 This is a schematic diagram of the spherical protective cover of this utility model.

[0019] Figure 6 This is a schematic diagram of the rotor mechanism of this utility model. Figure 1 .

[0020] Figure 7 This is a schematic diagram of the rotor mechanism of this utility model. Figure 2 .

[0021] In the diagram: 1. UAV body; 2. Wing mount; 21. Base; 22. Connecting column; 23. Bracket; 24. Center seat; 3. Spherical protective cover; 31. Chassis; 32. Top cover; 33. Base rod; 34. First spherical three-node joint; 35. Frame rod; 36. Second spherical three-node joint; 4. Rotor mechanism; 41. Mounting seat; 42. Column; 43. Top seat; 44. Hexagonal pyramidal seat; 45. Servo; 46. Rotor; 47. Three-pronged main motor chassis; 48. Stabilizer bar; 49. Fixing head; 401. DC brushless motor; 402. Folding propeller; 403. Propeller folding arm drive frame; 5. Camera mechanism; 51. Connecting seat; 52. High-transparency protective cover; 53. Camera mount; 54. Connecting rod; 55. Camera; 6. Landing gear; 7. Anti-slip pad. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings. Example 1

[0023] like Figure 1-7 As shown, a protective device for low-altitude flight of a drone includes a drone body 1 and a spherical protective cover 3. Multiple wing mounting bases 2 are evenly arranged on the outer periphery of the drone body 1, and a spherical protective cover 3 is installed on top of each wing mounting base 2. A rotor mechanism 4 is installed inside each spherical protective cover 3. A camera mechanism 5 is arranged at the bottom of the drone body 1, and two sets of landing gear 6 are arranged on the lower outer side of the drone body 1. Anti-slip pads 7 are installed at the bottom of each landing gear 6.

[0024] The wing mounting base 2 includes a base 21, which is fixedly connected to the UAV body 1 via a connecting column 22. Each base 21 has a support 23 in a cross shape inside, and a center seat 24 is installed at the intersection of the support 23.

[0025] The spherical protective cover 3 includes a chassis 31 that is detachably and fixedly connected to the center seat 24. A top cover 32 is correspondingly provided on the top of the chassis 31. Bottom rods 33 are fixedly installed on the outer periphery of both the chassis 31 and the top cover 32. The bottom rods 33 are connected to each other through a first spherical three-node joint 34. The first spherical three-node joint 34 is connected to the frame rod 35. The frame rods 35 are connected to each other through a second spherical three-node joint 36.

[0026] Both the chassis 31 and the top cover 32 are polygonal structures. The geometric center of the bottom rod 33 is fixed at the corresponding vertices of the chassis 31 and the top cover 32. The first spherical three-node joint 34 is located at the midpoint of each side of the chassis 31 and the top cover 32.

[0027] The chassis 31 and the bottom rod 33, the top cover 32 and the bottom rod 33, and the corresponding first spherical three-node joint 34 constitute a bottom polygonal structural skeleton and a top polygonal structural skeleton; the frame rods 35 are connected by a second spherical three-node joint 36 to form a side polygonal structural skeleton, and multiple side polygonal structural skeletons are connected with the bottom polygonal structural skeleton and the top polygonal structural skeleton to form a sphere.

[0028] In this embodiment, the overall polygonal spherical structure of the spherical protective shield is achieved through a side polygonal structural skeleton, a bottom polygonal structural skeleton, and a top polygonal structural skeleton, thereby significantly improving the stability of the structure and greatly enhancing its protective effect on the rotor mechanism. Furthermore, the rotor mechanism is connected to the frame rods of the side polygonal structural skeleton via the three-pronged main motor chassis, stabilizer bar, and fixing head, ensuring the stability and reliability of the rotor mechanism during operation and enabling stable flight of the UAV.

[0029] The rotor mechanism 4 includes a mounting base 41 that is detachably and fixedly connected to the chassis 31. A column 42 is provided above the mounting base 41. A hexagonal truncated base 44 is provided on the upper part of the column 42. Multiple servo motors 45 are spaced apart on the outer side of the hexagonal truncated base 44. Each servo motor 45 is externally powered to a rotor 46.

[0030] A three-pronged main motor chassis 47 is provided above the top of the column 42. The top of the column 42 is connected to the three-pronged main motor chassis 47 through a top seat 43. Multiple stabilizing rods 48 are evenly spaced on the outer side of the three-pronged main motor chassis 47. The free ends of the stabilizing rods 48 are all connected to the corresponding frame rods 35 through fixing heads 49.

[0031] A DC brushless motor 401 is mounted on the trident main motor chassis 47, and a folding propeller 402 is mounted on the DC brushless motor 401. The folding propeller 402 is poweredly connected to the DC brushless motor 401 through a propeller folding arm drive frame 403.

[0032] The utility model relates to a protection device for low-altitude flight of an unmanned aerial vehicle. During use, the detachable spherical protective cover 3 provided on the wing fixing seat 2 of the utility model can cover the rotor mechanism 4 inside the spherical protective cover 3. When the unmanned aerial vehicle collides, the spherical protective cover 3 can provide a protective effect for the unmanned aerial vehicle body 1, avoiding direct impact contact between the unmanned aerial vehicle body 1 and obstacles or the ground, and can avoid the danger that the unmanned aerial vehicle body 1 falls and is damaged due to the collision of the propeller, thereby preventing the unmanned aerial vehicle from being damaged and prolonging the service life of the unmanned aerial vehicle; when high-altitude flight is required, the spherical protective cover 3 is disassembled, thereby reducing the weight and wind resistance of the whole device, achieving the effect of protecting the propeller of the unmanned aerial vehicle; the utility model has the advantages of reasonable structure, good protection effect, prolonged service life, convenient installation and improved safety factor. Embodiment 2

[0033] As Figure 1-7 shown, a protection device for low-altitude flight of an unmanned aerial vehicle includes an unmanned aerial vehicle body 1 and a spherical protective cover 3. A plurality of wing fixing seats 2 are evenly arranged on the outer periphery of the unmanned aerial vehicle body 1. The spherical protective covers 3 are installed above the wing fixing seats 2, and the rotor mechanisms 4 are installed inside the spherical protective covers 3; a camera mechanism 5 is arranged at the bottom of the unmanned aerial vehicle body 1, and two groups of landing gears 6 are arranged outside the lower part of the unmanned aerial vehicle body 1. Anti-slip pads 7 are installed at the bottom ends of the landing gears 6.

[0034] The wing fixing seat 2 includes a base 21. The bases 21 are fixedly connected to the unmanned aerial vehicle body 1 through connecting columns 22. A bracket 23 in a "cross" shape is arranged inside each base 21, and a central seat 24 is installed at the intersection point of the bracket 23.

[0035] The camera mechanism 5 includes a connecting seat 51 fixedly connected to the bottom surface of the unmanned aerial vehicle body 1. A high-transparency protective cover 52 is arranged below the connecting seat 51. A camera seat 53 in a "square" shape is installed inside the high-transparency protective cover 52. The camera seat 53 is fixedly connected to the unmanned aerial vehicle body 1 through a connecting rod 54. Cameras 55 are installed on the front, rear, left and right side surfaces of the camera seat 53.

[0036] This utility model is a protective device for low-altitude flight of unmanned aerial vehicles (UAVs). In use, the detachable spherical protective cover 3 installed on the wing mounting base 2 can cover the rotor mechanism 4 inside the spherical protective cover 3. When the UAV collides, the spherical protective cover 3 can provide protection for the UAV body 1, preventing direct impact between the UAV body 1 and obstacles or the ground. This avoids the risk of the UAV body 1 falling from a high altitude and being damaged due to propeller collision, thus preventing damage to the UAV and extending its service life. When high-altitude flight is required, the spherical protective cover 3 can be removed, reducing the weight and wind resistance of the entire device, achieving the effect of protecting the UAV propeller. This utility model effectively protects the camera 55 inside the camera mechanism 5 through a high-transparency protective cover 52, while not affecting the photography effect of the UAV body during low-altitude flight. This utility model has the advantages of reasonable structure, good protection effect, extended service life, convenient installation, and improved safety factor.

Claims

1. A protective device for low-altitude flight of unmanned aerial vehicles (UAVs), comprising the UAV body and a spherical protective shield, characterized in that: A plurality of wing fixing seats are uniformly arranged on the outer periphery of the UAV body. Spherical protective covers are installed above the wing fixing seats, and rotor mechanisms are installed inside the spherical protective covers. A camera mechanism is arranged at the bottom of the UAV body, and two groups of landing gears are arranged on the outer side below the UAV body. Anti-slip pads are installed at the bottom ends of the landing gears.

2. The protective device for low-altitude flight of unmanned aerial vehicles according to claim 1, characterized in that: The wing fixing seat includes a base. The bases are fixedly connected to the UAV body through connecting columns. A bracket in a "cross" shape structure is arranged inside each base, and a central seat is installed at the intersection point of the brackets.

3. The protective device for low-altitude flight of unmanned aerial vehicles according to claim 2, characterized in that: The spherical protective cover includes a chassis that is detachably and fixedly connected to the central seat. A top cover is correspondingly arranged above the chassis. Bottom rods are fixedly installed on the outer peripheries of the chassis and the top cover. The bottom rods are connected through first spherical three-joint connectors, and the first spherical three-joint connectors are connected to frame rods. The frame rods are connected through second spherical three-joint connectors.

4. A protective device for low-altitude flight of unmanned aerial vehicles according to claim 3, characterized in that: Both the chassis and the top cover are polygonal structures. The geometric centers of the bottom rods are fixed at the corresponding vertices of the chassis and the top cover. The first spherical three-joint connectors are located at the midpoints of each side of the chassis and the top cover.

5. A protective device for low-altitude flight of unmanned aerial vehicles according to claim 4, characterized in that: The chassis and the bottom rods, the top cover and the bottom rods, and the corresponding first spherical three-joint connectors form a bottom polygonal structure skeleton and a top polygonal structure skeleton. The frame rods form a side polygonal structure skeleton through the second spherical three-joint connectors. Multiple side polygonal structure skeletons are connected to the bottom polygonal structure skeleton and the top polygonal structure skeleton to form a sphere.

6. A protective device for low-altitude flight of unmanned aerial vehicles according to claim 3, characterized in that: The rotor mechanism includes a mounting seat that is detachably and fixedly connected to the chassis. A column is arranged above the mounting seat. A hexagonal frustum seat is arranged at the upper part of the column. A plurality of servo motors are arranged at intervals on the outer side of the hexagonal frustum seat, and rotors are dynamically connected to the outside of the servo motors.

7. A protective device for low-altitude flight of unmanned aerial vehicles according to claim 6, characterized in that: A three-fork main motor chassis is arranged above the top of the column. The top of the column is connected to the three-fork main motor chassis through a top seat. A plurality of stabilizing rods are evenly arranged at intervals on the outer side of the three-fork main motor chassis. The free ends of the stabilizing rods are connected to the corresponding frame rods through fixed heads.

8. A protective device for low-altitude flight of unmanned aerial vehicles according to claim 7, characterized in that: A direct current brushless motor is installed on the three-fork main motor chassis. A folding propeller is installed on the direct current brushless motor. The folding propeller is dynamically connected to the direct current brushless motor through a propeller folding arm driving frame.

9. A protective device for low-altitude flight of unmanned aerial vehicles according to claim 1, characterized in that: The camera mechanism includes a connecting seat fixedly connected to the bottom surface of the UAV body. A high-transparency protective cover is arranged below the connecting seat. A camera seat in a "square" shape structure is installed inside the high-transparency protective cover. The camera seat is fixedly connected to the UAV body through a connecting rod. Cameras are installed on the front, rear, left, and right sides of the camera seat.

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