Unmanned aerial vehicle with obstacle avoidance braking function

By combining the adjustment mechanism and the electric push rod, the problem of damage to the UAV lidar in non-flight conditions is solved, enabling convenient transportation and storage and extending the service life of the lidar.

CN223686854UActive Publication Date: 2025-12-19ANYANG XINHUA ZHIFEI INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520209777.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-19
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing drones with obstacle avoidance and braking functions occupy a large area when not in use, and the detection equipment is easily physically damaged, affecting transportation and storage and reducing the lifespan of the lidar.

Method used

The lidar can be retracted into the aircraft body through the connecting plate and adjustment mechanism. Combined with the control of servo motor and electric push rod, the position of the lidar can be adjusted and the protective plate can be sealed, which solves the problem of physical damage to the lidar during storage, transportation or non-flight.

Benefits of technology

This enables convenient transportation and storage of lidar, extends its service life, and reduces the risk of damage to the equipment when it is not in flight.

✦ Generated by Eureka AI based on patent content.

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Abstract

The unmanned aerial vehicle with the obstacle avoidance braking function comprises a vehicle body, supporting frames are arranged on the left side and the right side of the lower end of the vehicle body respectively, propellers are arranged on the left side and the right side of the upper end of the vehicle body respectively, avoidance grooves are formed in the vehicle body respectively, and laser radars are arranged in the middles of the upper end and the lower end of the vehicle body respectively. The laser radars are located in the vertically adjacent receding grooves correspondingly. The device further comprises an adjusting mechanism. The adjusting mechanism comprises vertical rods and connecting plates, the vertical rods are arranged on the front side and the rear side in the machine body respectively, the vertical rods are slidably connected with sliding holes correspondingly formed in the lower ends of the connecting plates respectively, and the ends, away from the center in the machine body, of the connecting plates are fixedly connected with the ends, close to the center in the machine body, of the vertically adjacent laser radars respectively; according to the unmanned aerial vehicle with the obstacle avoidance braking function, the problem that the laser radar is physically damaged in a storage, transportation or non-flight state is solved, so that the service life of the laser radar is prolonged while the transportation and the storage are convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an unmanned plane technical field, concretely is an unmanned plane with obstacle avoidance braking function. BACKGROUND

[0002] The unmanned plane with obstacle avoidance braking function is an unmanned plane capable of automatically detecting and avoiding obstacles during flight, which can adapt to various complex environments such as cities, mountainous areas, forests, etc., expand the application range of the unmanned plane, reduce the dependence on manual intervention, and improve the efficiency and reliability of task execution.

[0003] When the unmanned plane with obstacle avoidance braking function is in use, it often measures the distance by emitting laser beams and receiving reflected light through the detection device, then generates a high-precision three-dimensional point cloud map, provides detailed information about the environment, including the position, shape and size of obstacles, and the laser radar transmits the generated data to the control device, which identifies potential obstacles according to the data and calculates an obstacle avoidance path to change the flight direction.

[0004] The position of the detection device in the existing unmanned plane with obstacle avoidance braking function is usually fixed, which results in a large footprint of the unmanned plane with obstacle avoidance braking function when not in use, making it inconvenient to store and transport, and the detection device is also prone to physical damage such as collision, scratching, etc. in the non-flying state, thereby reducing the service life of the detection device. Therefore, we propose an unmanned plane with obstacle avoidance braking function. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an unmanned plane with obstacle avoidance braking function, which can adjust the position of the laser radar through the connecting plate to retract it into the body, solve the problem of physical damage to the laser radar during storage, transportation or non-flying state, make it convenient for transportation and storage, and prolong the service life of the laser radar, effectively solving the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an unmanned plane with obstacle avoidance braking function, comprising a body, support frames are arranged on the left and right sides of the lower end of the body, propellers are arranged on the left and right sides of the upper end of the body, avoidance grooves are arranged in the body, laser radars are arranged in the middle of the upper and lower ends of the body, the laser radars are located in the inside of the vertically adjacent avoidance grooves, and further comprising an adjusting mechanism.

[0007] The adjusting mechanism comprises a vertical rod and a connecting plate, the vertical rod is arranged on the front and rear sides of the inside of the body respectively, the vertical rod is slidably connected with the lower end of the sliding hole of the connecting plate, the end of the connecting plate away from the center of the inside of the body is fixedly connected with the end of the laser radar close to the center of the inside of the body, the position of the laser radar can be adjusted through the connecting plate, so that the laser radar is retracted into the inside of the body, the problem that the laser radar is physically damaged in storage, transportation or non-flight state is solved, the laser radar is convenient for transportation and storage, and the service life of the laser radar is prolonged.

[0008] Further, the single-chip microcomputer is arranged on the front side of the left wall of the body, the input end of the single-chip microcomputer is electrically connected with the external power supply, and the laser radars are bidirectionally electrically connected with the single-chip microcomputer, so that the electrical elements in the inside of the equipment can be regulated and controlled.

[0009] Further, the adjusting mechanism further comprises a fixing plate, a mounting seat, a connecting seat, an adjusting seat and a transmission rod, the fixing plate is arranged in the middle of the left and right walls of the body respectively, the mounting seat is arranged between the opposite inner sides of the two fixing plates, the adjusting seat is slidably connected in the sliding groove arranged in the middle of the upper end of the mounting seat, the connecting seat is arranged at the end of the connecting plate close to the center of the inside of the body, the transmission rod is rotatably connected at the upper and lower ends of the adjusting seat, and the end of the transmission rod away from the center of the inside of the body is rotatably connected with the end of the connecting seat close to the center of the inside of the body, so that the position of the connecting plate can be adjusted.

[0010] Further, the adjusting mechanism further comprises a bidirectional screw rod, the bidirectional screw rod is rotatably connected in the inside of the sliding groove, and the adjusting seat is threadedly connected with the front and rear sides of the outer arc surface of the bidirectional screw rod through the threaded holes arranged in the middle of the front end of the adjusting seat, so that the transmission rod can be driven to move through the adjusting seat.

[0011] Further, the front end of the mounting seat is provided with a servo motor, the rear end of the output shaft of the servo motor is fixedly connected with the front end of the bidirectional screw rod, and the input end of the servo motor is electrically connected with the output end of the single-chip microcomputer, so that the position of the adjusting seat can be adjusted through the bidirectional screw rod.

[0012] Further, the upper and lower sides of the inside of the body are provided with mounting grooves, the avoiding grooves are communicated with the vertically adjacent mounting grooves, the rear side of the inside of the mounting groove is slidably connected with a protection plate, the end of the protection plate close to the center of the inside of the body is provided with an adjusting plate, the adjusting plate is slidably connected with the connecting groove arranged on the rear side of the vertically adjacent inside of the body, the rear end of the adjusting plate is fixedly connected with the front end of the vertical plate, the middle of the rear wall of the body is provided with an electric push rod, the front end of the telescopic end of the electric push rod is fixedly connected with the rear end of the vertical plate, and the input end of the electric push rod is electrically connected with the output end of the single-chip microcomputer, so that the avoiding groove can be blocked through the protection plate.

[0013] Further, the left and right ends of the body are respectively provided with connecting arms, the side away from the center of the body of the upper end of the connecting arm is provided with a driving motor, the upper end of the output shaft of the six driving motors is provided with a propeller, the input end of the driving motor is electrically connected with the output end of the single-chip microcomputer, and the propeller can be driven to rotate.

[0014] Compared with the prior art, the unmanned aerial vehicle with the obstacle avoidance braking function has the following advantages.

[0015] Through the cooperation of the adjusting seat and the bidirectional screw rod, the position of the laser radar can be adjusted through the connecting plate, so that the laser radar is retracted into the body, the problem of physical damage of the laser radar in storage, transportation or non-flight state is solved, the laser radar is convenient to transport and store, and the service life of the laser radar is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the adjusting mechanism of the utility model;

[0018] Fig. 3 It is a front side sectional plane structural schematic view of the utility model.

[0019] In the drawing: 1 body, 2 single-chip microcomputer, 3 mounting groove, 4 laser radar, 5 connecting arm, 6 driving motor, 7 propeller, 8 adjusting mechanism, 81 vertical rod, 82 connecting plate, 83 fixed plate, 84 mounting seat, 85 connecting seat, 86 adjusting seat, 87 transmission rod, 88 bidirectional screw rod, 9 servo motor, 10 support frame, 11 protection plate, 12 adjusting plate, 13 vertical plate, 14 electric push rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1-3The embodiment provides a technical scheme: a unmanned aerial vehicle with obstacle avoidance braking function, comprising a body 1, support frames 10 are arranged on the left and right sides of the lower end of the body 1, propellers 7 are arranged on the left and right sides of the upper end of the body 1, the inside of the body 1 is provided with avoidance grooves, the middle parts of the upper and lower ends of the body 1 are provided with laser radars 4, the laser radars 4 are located in the inside of the vertically adjacent avoidance grooves, and the unmanned aerial vehicle further comprises an adjusting mechanism 8.

[0022] The adjusting mechanism 8 comprises vertical rods 81 and connecting plates 82, the vertical rods 81 are arranged on the front and back sides of the inside of the body 1, the vertical rods 81 are slidably connected with the lower ends of the slide holes of the connecting plates 82, the ends, away from the center of the inside of the body 1, of the connecting plates 82 are fixedly connected with the ends, close to the center of the inside of the body 1, of the vertically adjacent laser radars 4, the adjusting mechanism 8 further comprises fixed plates 83, mounting seats 84, connecting seats 85, adjusting seats 86 and transmission rods 87, the fixed plates 83 are arranged in the middle parts of the left and right walls of the body 1, one mounting seat 84 is arranged between the opposite inner sides of the two fixed plates 83, the adjusting seats 86 are slidably connected in the slide grooves, opened in the middle parts of the upper ends of the mounting seats 84, the ends, close to the center of the inside of the body 1, of the connecting plates 82 are provided with the connecting seats 85, the upper and lower ends of each adjusting seat 86 is rotatably connected with the transmission rod 87, the ends, away from the center of the inside of the body 1, of the transmission rods 87 are rotatably connected with the ends, close to the center of the inside of the body 1, of the vertically adjacent connecting seats 85, the adjusting mechanism 8 further comprises a bidirectional screw rod 88, the bidirectional screw rod 88 is rotatably connected in the inside of the slide groove, the adjusting seats 86 are threadedly connected with the front and back sides of the outer arc surface of the bidirectional screw rod 88 through the threaded holes arranged in the front end middle parts of the adjusting seats 86, through the cooperation of the adjusting seats 86 and the bidirectional screw rod 88, the position of the laser radar 4 can be adjusted through the connecting plate 82, so that the laser radar 4 can be retracted into the inside of the body 1, the problem that the laser radar 4 is physically damaged in storage, transportation or non-flying state is solved, the laser radar 4 is convenient for transportation and storage, and the service life of the laser radar 4 is prolonged.

[0023] The single-chip microcomputer 2 is arranged on the front side of the left wall of the body 1, the input end of the single-chip microcomputer 2 is electrically connected with an external power supply, and the laser radars 4 are bidirectionally electrically connected with the single-chip microcomputer 2, so that the electrical elements in the device can be regulated and controlled.

[0024] The front end of the mounting seat 84 is provided with a servo motor 9, the rear end of the output shaft of the servo motor 9 is fixedly connected with the front end of the bidirectional screw rod 88, the input end of the servo motor 9 is electrically connected with the output end of the single-chip microcomputer 2, the servo motor 9 starts to operate through the regulation and control of the single-chip microcomputer 2, the output shaft of the servo motor 9 drives the bidirectional screw rod 88 to rotate, and the bidirectional screw rod 88 drives the adjusting seat 86 to move through the threaded connection in the rotating process.

[0025] Wherein: the inside of the body 1 is provided with installation groove 3 on both sides, the avoidance groove is communicated with the vertical adjacent installation groove 3 respectively, the rear side of installation groove 3 is slidably connected with the protection plate 11, the end of protection plate 11 near the inside center of body 1 is provided with adjusting plate 12, adjusting plate 12 is slidably connected with the rear side of the inside of body 1 which is provided with connecting groove vertically adjacent, the rear end of adjusting plate 12 is fixedly connected with the front end of vertical plate 13, the middle of the rear wall of body 1 is provided with electric push rod 14, the front end of the telescopic end of electric push rod 14 is fixedly connected with the rear end of vertical plate 13, the input end of electric push rod 14 is electrically connected with the output end of single-chip microcomputer 2, through the regulation and control of single-chip microcomputer 2, the electric push rod 14 starts to run, the telescopic end of electric push rod 14 extends, so that the electric push rod 14 drives adjusting plate 12 to move forward through vertical plate 13, adjusting plate 12 will drive protection plate 11 to move forward, finally the avoidance groove is blocked through protection plate 11.

[0026] Wherein: the left and right ends of body 1 are respectively provided with connecting arm 5, the side of connecting arm 5 upper end away from the inside center of body 1 is provided with driving motor 6, the upper end of six driving motor 6 output shaft is provided with propeller 7, the input end of driving motor 6 is electrically connected with the output end of single-chip microcomputer 2, through the regulation and control of single-chip microcomputer 2, the driving motor 6 starts to run, the output shaft of driving motor 6 drives propeller 7 to rotate, so as to drive the unmanned aerial vehicle with obstacle avoidance brake function to move.

[0027] The working principle of the unmanned aerial vehicle with obstacle avoidance braking function is as follows: in the process of using the unmanned aerial vehicle with obstacle avoidance braking function, the single-chip microcomputer 2 is controlled, the driving motor 6 starts to run, the output shaft of the driving motor 6 drives the propeller 7 to rotate, thereby driving the unmanned aerial vehicle with obstacle avoidance braking function to move, in the process of moving the unmanned aerial vehicle with obstacle avoidance braking function, the laser radar 4 measures the distance by emitting laser beams and receiving reflected light, then generates a high-precision three-dimensional point cloud map, provides detailed information about the environment, including the position, shape and size of the obstacle, then the laser radar 4 transmits the generated data to the single-chip microcomputer 2, the single-chip microcomputer 2 identifies the potential obstacle according to the data, and calculates the obstacle avoidance path, so as to change the flight direction, when the unmanned aerial vehicle with obstacle avoidance braking function is not used, the single-chip microcomputer 2 is controlled, the servo motor 9 starts to run, the output shaft of the servo motor 9 drives the bidirectional screw rod 88 to rotate, the bidirectional screw rod 88 drives the adjusting seat 86 to move through the threaded connection in the process of rotating, at this time, the distance between the two adjusting seats 86 gradually increases, in the process of moving the adjusting seat 86, the adjusting seat 86 drives the connecting seat 85 to move through the transmission rod 87, the connecting seat 85 drives the laser radar 4 to move to the side close to the center of the body 1 through the connecting plate 82, so as to retract the laser radar 4 into the body 1, then the single-chip microcomputer 2 is controlled, the electric push rod 14 starts to run, the telescopic end of the electric push rod 14 extends, so that the electric push rod 14 drives the adjusting plate 12 to move forward through the vertical plate 13, the adjusting plate 12 drives the protective plate 11 to move forward, finally, the protective plate 11 can block the avoidance groove.

[0028] It is worth noting that the single-chip microcomputer 2 disclosed in the above embodiment can be selected from STM8S207S8T6C, the laser radar 4 can be selected from LiAir X3, the driving motor 6 and the servo motor 9 can be selected from ECMA-C20604RS, and the electric push rod 14 can be selected from YRJ0905.

[0029] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A drone with obstacle avoidance and braking function, comprising a body (1), support frames (10) respectively provided on the left and right sides of the lower end of the body (1), propellers (7) respectively provided on the left and right sides of the upper end of the body (1), obstacle avoidance grooves respectively provided inside the body (1), and laser radars (4) respectively provided in the middle of the upper and lower ends of the body (1), the laser radars (4) being located inside the vertically adjacent obstacle avoidance grooves, characterized in that: It also includes an adjustment mechanism (8); Adjustment mechanism (8): It includes a pole (81) and a connecting plate (82). The pole (81) is respectively set on the front and rear sides inside the body (1). The pole (81) is slidably connected to the sliding holes corresponding to the lower end of the connecting plate (82). The end of the connecting plate (82) away from the center of the body (1) is fixedly connected to the end of the vertically adjacent laser radar (4) close to the center of the body (1).

2. The UAV with obstacle avoidance and braking function according to claim 1, characterized in that: It also includes a microcontroller (2), which is located on the front side of the left wall of the body (1). The input terminal of the microcontroller (2) is electrically connected to an external power supply. The laser radar (4) is bidirectionally electrically connected to the microcontroller (2).

3. The UAV with obstacle avoidance and braking function according to claim 2, characterized in that: The adjustment mechanism (8) further includes a fixed plate (83), a mounting base (84), a connecting base (85), an adjustment base (86), and a transmission rod (87). The fixed plates (83) are respectively located in the middle of the left and right walls of the body (1). A mounting base (84) is provided between the opposite inner sides of the two fixed plates (83). An adjustment base (86) is slidably connected in the groove opened in the middle of the upper end of the mounting base (84). A connecting base (85) is provided at one end of the connecting plate (82) near the center of the body (1). The upper and lower ends of the adjustment base (86) are rotatably connected to the transmission rod (87). The end of the transmission rod (87) away from the center of the body (1) is rotatably connected to the end of the vertically adjacent connecting base (85) near the center of the body (1).

4. A UAV with obstacle avoidance and braking function according to claim 3, characterized in that: The adjustment mechanism (8) also includes a bidirectional screw (88), which is rotatably connected to the inside of the slide groove. The adjustment seat (86) is threaded to the front and rear sides of the outer arc surface of the bidirectional screw (88) through the threaded hole provided at the middle of its front end.

5. A drone with obstacle avoidance and braking function according to claim 4, characterized in that: The front end of the mounting base (84) is provided with a servo motor (9), the rear end of the output shaft of the servo motor (9) is fixedly connected to the front end of the bidirectional screw (88), and the input end of the servo motor (9) is electrically connected to the output end of the microcontroller (2).

6. A drone with obstacle avoidance and braking function according to claim 2, characterized in that: The upper and lower sides of the body (1) are provided with mounting slots (3), and the clearance slots are connected to the vertically adjacent mounting slots (3). The rear side of the mounting slots (3) is slidably connected with protective plates (11). The end of the protective plates (11) near the center of the body (1) is provided with an adjustment plate (12). The adjustment plates (12) are slidably connected to the connecting slots provided on the rear side of the vertically adjacent body (1). The rear end of the adjustment plates (12) is fixedly connected to the front end of the upright plate (13). The middle part of the rear wall of the body (1) is provided with an electric push rod (14). The front end of the extension end of the electric push rod (14) is fixedly connected to the rear end of the upright plate (13). The input end of the electric push rod (14) is electrically connected to the output end of the microcontroller (2).

7. A drone with obstacle avoidance and braking function according to claim 2, characterized in that: Connecting arms (5) are provided at the left and right ends of the body (1). A drive motor (6) is provided on the side of the upper end of the connecting arm (5) away from the center of the body (1). A propeller (7) is provided at the upper end of the output shaft of each of the six drive motors (6). The input end of the drive motor (6) is electrically connected to the output end of the microcontroller (2).