Unmanned aerial vehicle obstacle avoidance device based on high-precision radar sensor

By designing a drone obstacle avoidance device based on high-precision radar sensors, using structures such as fixed components and mounting strips, the problem of poor installation flexibility of existing devices is solved, and the applicability to different models of drones is achieved, and the general use of the device is improved.

CN222952492UActive Publication Date: 2025-06-06SOUTHWEST PETROLEUM UNIV
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Patent Information

Application Number
CN202421578737.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-06-06
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The existing drone obstacle avoidance devices have poor installation flexibility and are only suitable for specific models of drones, and are less generalized.

Method used

A UAV obstacle avoidance device based on high-precision radar sensors is designed. Through the fixed components at both ends of the obstacle avoidance component and the installation strips and connecting lines of the high-precision radar sensors, a flexible fixed connection with the arm frames of different types of UAVs is achieved.

Benefits of technology

The device is improved in a wide range of use, making it suitable for different models of drones, providing more flexible and practical obstacle avoidance functions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an unmanned aerial vehicle obstacle avoidance device based on a high-precision radar sensor, and belongs to the technical field of unmanned aerial vehicle obstacle avoidance devices. The unmanned aerial vehicle obstacle avoidance device based on the high-precision radar sensor comprises an obstacle avoidance assembly, fixing assemblies are arranged at the two ends of the obstacle avoidance assembly, the obstacle avoidance assembly comprises the high-precision radar sensor, a mounting strip is fixedly mounted at the top of the high-precision radar sensor, a connecting wire is fixedly mounted on one side of the high-precision radar sensor, and the connecting wire is fixedly connected with the high-precision radar sensor. First limiting sliding grooves are formed in the two ends of the top of the installation strip, sliding pieces are connected into the first limiting sliding grooves in a sliding mode, a shaft hole is formed in one end of each sliding piece, the fixing assembly comprises a fixing base, a rotating shaft is fixedly installed at one end of the bottom of the fixing base, and the rotating shaft is arranged in the shaft hole in a penetrating and inserting mode. The unmanned aerial vehicle obstacle avoidance device can be fixedly installed on unmanned aerial vehicle arm supports of different models, so that the obstacle avoidance function is provided for an unmanned aerial vehicle, and the practical value is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicle obstacle avoidance devices, and in particular to an unmanned aerial vehicle obstacle avoidance device based on a high-precision radar sensor. Background Art

[0002] The obstacle avoidance device for drones is a system installed on drones to help drones automatically detect and avoid collisions with obstacles during flight, ensuring flight safety. This system uses a variety of technical means such as sensor technology, computer vision, and algorithm processing. The obstacle avoidance device for drones is widely used, from entertainment photography for consumer drones to the application of professional drones in logistics distribution, agricultural spraying, terrain mapping, search and rescue operations, etc., all to ensure that drones can complete tasks safely and effectively in various complex environments.

[0003] Based on the above, the inventors have found the following problems: current obstacle avoidance devices for drones are usually installed in a reserved installation slot at the bottom or front end of the fuselage, and can only install specific types of radar sensors. They are less versatile and cannot be applied to more types of drones, making them inconvenient to use.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a UAV obstacle avoidance device based on a high-precision radar sensor is provided, in order to achieve a more practical purpose. Utility Model Content

[0005] In order to solve the above technical problems, the embodiment of the utility model provides a drone obstacle avoidance device based on a high-precision radar sensor, which is specifically implemented through the following technical solutions:

[0006] A drone obstacle avoidance device based on a high-precision radar sensor comprises an obstacle avoidance component, both ends of the obstacle avoidance component are provided with fixing components, the obstacle avoidance component comprises a high-precision radar sensor, a mounting bar is fixedly installed on the top of the high-precision radar sensor, a connecting line is fixedly installed on one side of the high-precision radar sensor, first limiting sliding grooves are provided at both ends of the top of the mounting bar, a sliding sheet is slidably connected inside the first limiting sliding groove, an axial hole is provided at one end of the sliding sheet, the fixing component comprises a fixing seat, a rotating shaft is fixedly installed at one end of the bottom of the fixing seat, and the rotating shaft is inserted and arranged inside the axial hole.

[0007] The beneficial effect of adopting the above further scheme is that by providing fixed components at both ends of the obstacle avoidance component, it is convenient to fix the device with the boom of the drone, so that the device can provide obstacle avoidance function for the drone. A connecting line is fixedly installed on one side of the high-precision radar sensor, so that the high-precision radar sensor is electrically connected to the drone control component, so that the high-precision radar sensor can monitor and analyze the surrounding environment in real time, and provide navigation, obstacle avoidance and path optimization functions for the drone. A sliding piece is slidably connected inside the first limit slide groove, so that the sliding piece can slide along the first limit slide groove. A rotating shaft is fixedly installed at one end of the bottom of the fixed seat, and the rotating shaft is inserted in the shaft hole, so that the fixed component and the sliding piece are rotatably connected, so as to facilitate the adjustment of the distance and angle between the two fixed components, so that the device can be fixedly connected to drone arms of different models, thereby improving the versatility of the device.

[0008] Furthermore, first threaded holes are formed at both ends of the mounting bar, a first screw rod is threadedly connected inside the first threaded hole, a push piece is fixedly mounted on the top of the first screw rod, and a first knob is fixedly mounted on the bottom of the first screw rod.

[0009] The beneficial effect of adopting the above further scheme is that a push plate is fixedly installed on the top of the first screw rod, and a first knob is fixedly installed on the bottom of the first screw rod, so that the first knob can be turned when the distance between the two fixed components is adjusted, so that the push plate presses against the sliding plate, thereby fixing the position of the sliding plate.

[0010] Furthermore, a worm wheel and a worm are rotatably connected inside the fixing seat, and the worm wheel is meshingly connected with the worm.

[0011] The beneficial effect of adopting the above further solution is that the worm wheel is meshed with the worm, so that the rotation of the worm drives the rotation of the worm wheel.

[0012] Furthermore, a second knob is fixedly mounted on the bottom of the worm, and the second knob is arranged on the bottom of the fixing seat.

[0013] The beneficial effect of adopting the above further solution is that a second knob is fixedly installed at the bottom of the worm, and the second knob is arranged at the bottom of the fixing seat, so that the second knob is turned to drive the worm to rotate.

[0014] Furthermore, second limiting sliding grooves are provided on both sides of the fixing seat, and the limiting sliding blocks are slidably connected inside the second limiting sliding grooves.

[0015] The beneficial effect of adopting the above further solution is that the limiting slider is connected by sliding inside the second limiting sliding groove, which facilitates the limiting slider to slide along the second limiting sliding groove.

[0016] Furthermore, a second threaded hole is provided in the middle of the limiting sliding block, and a second screw rod is threadedly connected inside the second threaded hole.

[0017] The beneficial effect of adopting the above further solution is that the second threaded hole is internally threadedly connected with the second screw rod, so that the rotation of the second screw rod can control the limiting sliding block to slide along the second limiting sliding groove.

[0018] Furthermore, a limit block is fixedly installed at one end of the second screw rod, and one end of the second screw rod is fixedly connected to the side surface of the worm wheel.

[0019] The beneficial effect of adopting the above further solution is that, by fixing one end of the second screw with the side of the worm wheel, the rotation of the worm wheel can drive the second screw to rotate.

[0020] Furthermore, a fixing frame is fixedly installed on one side of the limit sliding block, and a rubber block is fixedly installed on one side of the top of the fixing frame.

[0021] The beneficial effect of adopting the above further scheme is that a fixing frame is fixedly installed on one side of the limit slider, and a rubber block is fixedly installed on the top side of the fixing frame, so that the sliding of the limit slider drives the rubber blocks to approach each other, clamping and fixing the boom of the drone, thereby realizing the fixed installation of the device on the boom of the drone.

[0022] The beneficial effects of the utility model are as follows: the utility model obtains an obstacle avoidance device for a UAV based on a high-precision radar sensor through the above-mentioned design. The obstacle avoidance device for a UAV based on a high-precision radar sensor is convenient for fixing and connecting the device with the boom of the UAV through fixing components at both ends of the obstacle avoidance component, so that the device provides obstacle avoidance function for the UAV. A connecting line is fixedly installed on one side of the high-precision radar sensor, so that the high-precision radar sensor is convenient for electrically connecting the high-precision radar sensor with the UAV control component, so that the high-precision radar sensor can monitor and analyze the surrounding environment in real time, and provide navigation, obstacle avoidance and path optimization functions for the UAV. A sliding piece is slidably connected inside the first limiting slide groove, so that the sliding piece can slide along the first limiting slide groove. A rotating shaft is fixedly installed at one end of the bottom of the fixing seat, and the rotating shaft is inserted and arranged inside the shaft hole, so that the fixing component and the sliding piece are rotatably connected, so that the distance and angle between the two fixing components can be adjusted, so that the device can be fixedly connected with different types of UAV booms, thereby improving the versatility of the device. The utility model can be fixedly installed on different types of UAV booms, so as to provide obstacle avoidance function for the UAV, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the three-dimensional structure of a drone obstacle avoidance device based on a high-precision radar sensor provided by the utility model Figure 1 ;

[0025] Figure 2 A schematic diagram of the three-dimensional structure of a drone obstacle avoidance device based on a high-precision radar sensor provided by the utility model Figure 2 ;

[0026] Figure 3 An exploded diagram of an obstacle avoidance device for a UAV based on a high-precision radar sensor provided by the utility model;

[0027] Figure 4 An exploded view of the obstacle avoidance component provided by the utility model;

[0028] Figure 5 This is an exploded view of the fixing assembly provided by the utility model.

[0029] In the figure: 101, obstacle avoidance component; 10101, high-precision radar sensor; 10102, mounting strip; 10103, first limit slide groove; 10104, first threaded hole; 10105, first screw; 10106, push piece; 10107, first knob; 10108, sliding piece; 10109, shaft hole; 10110, connecting line; 102, fixing component; 10201, fixing seat; 10202, rotating shaft; 10203, second limit slide groove; 10204, limit slider; 10205, second threaded hole; 10206, fixing frame; 10207, rubber block; 10208, worm gear; 10209, worm; 10210, second knob; 10211, second screw. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1 of the utility model of a drone obstacle avoidance device based on a high-precision radar sensor

[0033] The utility model provides the following technical solutions: Figure 1-Figure 5 As shown, an obstacle avoidance device for a drone based on a high-precision radar sensor comprises an obstacle avoidance component 101, and fixing components 102 are arranged at both ends of the obstacle avoidance component 101. By providing the fixing components 102 at both ends of the obstacle avoidance component 101, it is convenient to fix the device with the boom of the drone, so as to facilitate the device to provide the drone with an obstacle avoidance function. The obstacle avoidance component 101 comprises a high-precision radar sensor 10101, and a mounting strip 10102 is fixedly installed on the top of the high-precision radar sensor 10101. A connecting line 10110 is fixedly installed on one side of the high-precision radar sensor 10101, and it is convenient to electrically connect the high-precision radar sensor 10101 with the drone control component, so that the high-precision radar sensor 10101 can monitor and analyze the surrounding environment in real time, and provide the drone with navigation, obstacle avoidance and path optimization functions. First limit positions are provided at both ends of the top of the mounting strip 10102. The slide groove 10103, the first limit slide groove 10103 is slidably connected with a sliding piece 10108, and the sliding piece 10108 is slidably connected with the first limit slide groove 10103, so that the sliding piece 10108 can slide along the first limit slide groove 10103, and an axial hole 10109 is opened at one end of the sliding piece 10108. The fixing assembly 102 includes a fixing seat 10201, and a rotating shaft 10202 is fixedly installed at one end of the bottom of the fixing seat 10201. 10202 is inserted into the shaft hole 10109, and a rotating shaft 10202 is fixedly installed at one end of the bottom of the fixing seat 10201. The rotating shaft 10202 is inserted into the shaft hole 10109, which facilitates the rotation connection between the fixing component 102 and the sliding sheet 10108, thereby facilitating the adjustment of the distance and angle between the two fixing components 102, so that the device can be fixedly connected to different models of drone arms, thereby improving the versatility of the device.

[0034] Embodiment 2 of the utility model of a drone obstacle avoidance device based on a high-precision radar sensor

[0035] Reference Figure 1-Figure 5As shown, first threaded holes 10104 are provided at both ends of the mounting strip 10102, and a first screw rod 10105 is threadedly connected inside the first threaded hole 10104, a push piece 10106 is fixedly installed on the top of the first screw rod 10105, and a first knob 10107 is fixedly installed on the bottom of the first screw rod 10105. By fixing the push piece 10106 on the top of the first screw rod 10105 and fixing the first knob 10107 on the bottom of the first screw rod 10105, it is convenient to rotate the first knob 10107 when the distance between the two fixing components 102 is adjusted, so that the push piece 10106 presses against the sliding piece 10108, thereby realizing the adjustment of the sliding piece 10108. The position is fixed, and a worm wheel 10208 and a worm 10209 are rotatably connected inside the fixed seat 10201. The worm wheel 10208 is meshingly connected with the worm 10209. The meshingly connected worm wheel 10208 and the worm 10209 facilitate the rotation of the worm wheel 10208 to drive the rotation of the worm 10209. A second knob 10210 is fixedly installed on the bottom of the worm 10209, and the second knob 10210 is arranged on the bottom of the fixed seat 10201. The second knob 10210 is fixedly installed on the bottom of the worm 10209, and the second knob 10210 is arranged on the bottom of the fixed seat 10201, so that the second knob 10210 can be rotated to drive the worm 10209 to rotate.

[0036] Embodiment 3 of the utility model of a drone obstacle avoidance device based on a high-precision radar sensor

[0037] Reference Figure 1-Figure 5As shown, second limiting sliding grooves 10203 are provided on both sides of the fixed seat 10201, and the second limiting sliding grooves 10203 are internally slidably connected to the limiting slider 10204, and the limiting slider 10204 is slidably connected to the second limiting sliding grooves 10203, so that the limiting slider 10204 can slide along the second limiting sliding grooves 10203. A second threaded hole 10205 is provided in the middle of the limiting slider 10204, and the second threaded hole 10205 is internally threadedly connected to the second screw 10211, and the second screw 10211 is internally threadedly connected to the second screw 10211, so that the rotation of the second screw 10211 controls the limiting slider 10204 to slide along the second limiting sliding groove 10203, and one end of the second screw 10211 is fixedly installed with A limit block is provided, and one end of the second screw rod 10211 is fixedly connected to the side of the worm wheel 10208, and one end of the second screw rod 10211 is fixedly connected to the side of the worm wheel 10208, so that the rotation of the worm wheel 10208 drives the second screw rod 10211 to rotate, a fixing frame 10206 is fixedly installed on one side of the limit slider 10204, and a rubber block 10207 is fixedly installed on one side of the top of the fixing frame 10206, and a fixing frame 10206 is fixedly installed on one side of the limit slider 10204, and a rubber block 10207 is fixedly installed on one side of the top of the fixing frame 10206, so that the sliding of the limit slider 10204 drives the rubber blocks 10207 to approach each other, and the boom of the drone is clamped and fixed, thereby realizing the fixed installation of the device on the boom of the drone.

[0038] Specifically, the working principle of the obstacle avoidance device for unmanned aerial vehicles based on high-precision radar sensors is as follows: when in use, a sliding piece 10108 is slidably connected inside the first limiting slide groove 10103, so that the sliding piece 10108 can slide along the first limiting slide groove 10103, and a rotating shaft 10202 is fixedly installed at one end of the bottom of the fixed seat 10201, and the rotating shaft 10202 is inserted into the shaft hole 10109, so that the fixed component 102 is rotatably connected to the sliding piece 10108, thereby facilitating the adjustment of the distance and angle between the two fixed components 102, so that the device can be used with different models. The drone arm is fixedly connected to the drone arm, thereby improving the versatility of the device, a push piece 10106 is fixedly installed on the top of the first screw rod 10105, and a first knob 10107 is fixedly installed on the bottom of the first screw rod 10105, so that the first knob 10107 is turned when the distance between the two fixed components 102 is adjusted, so that the push piece 10106 presses against the sliding piece 10108, so as to fix the position of the sliding piece 10108, and a second knob 10210 is fixedly installed on the bottom of the worm 10209, and the second knob 10210 is set at the bottom of the fixing seat 10201, so as to turn the second knob The button 10210 drives the worm 10209 to rotate, and the worm wheel 10208 is meshed with the worm 10209, so that the rotation of the worm 10209 drives the worm wheel 10208 to rotate. One end of the second screw 10211 is fixedly connected to the side of the worm wheel 10208, so that the rotation of the worm wheel 10208 drives the second screw 10211 to rotate. The second screw 10211 is connected to the inner thread of the second threaded hole 10205, so that the rotation of the second screw 10211 controls the limit slider 10204 to slide along the second limit slide groove 10203, and is fixedly installed on one side of the limit slider 10204 There is a fixing frame 10206, and a rubber block 10207 is fixedly installed on one side of the top of the fixing frame 10206, so that the sliding of the limit slider 10204 drives the rubber blocks 10207 to approach each other, and the arm of the drone is clamped and fixed, so as to realize the fixed installation of the device on the arm of the drone. A connecting line 10110 is fixedly installed on one side of the high-precision radar sensor 10101, so that the high-precision radar sensor 10101 is electrically connected to the drone control component, so that the high-precision radar sensor 10101 can monitor and analyze the surrounding environment in real time, and provide the drone with navigation, obstacle avoidance and path optimization functions.

[0039] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An obstacle avoidance device for a drone based on a high-precision radar sensor, characterized in that: The invention comprises an obstacle avoidance component (101), wherein fixing components (102) are provided at both ends of the obstacle avoidance component (101), wherein the obstacle avoidance component (101) comprises a high-precision radar sensor (10101), wherein a mounting bar (10102) is fixedly installed on the top of the high-precision radar sensor (10101), a connecting line (10110) is fixedly installed on one side of the high-precision radar sensor (10101), and first connecting wires (10110) are provided at both ends of the top of the mounting bar (10102). A limiting slide groove (10103), a sliding sheet (10108) is slidably connected inside the first limiting slide groove (10103), an axial hole (10109) is opened at one end of the sliding sheet (10108), and the fixing component (102) includes a fixing seat (10201), a rotating shaft (10202) is fixedly installed at one end of the bottom of the fixing seat (10201), and the rotating shaft (10202) is inserted into the inside of the axial hole (10109).

2. The obstacle avoidance device for unmanned aerial vehicles based on a high-precision radar sensor according to claim 1, characterized in that: The mounting strip (10102) has first threaded holes (10104) at both ends, the first threaded hole (10104) is internally threadedly connected with a first screw rod (10105), a push plate (10106) is fixedly mounted on the top of the first screw rod (10105), and a first knob (10107) is fixedly mounted on the bottom of the first screw rod (10105).

3. The obstacle avoidance device for unmanned aerial vehicles based on a high-precision radar sensor according to claim 1, characterized in that: A worm wheel (10208) and a worm screw (10209) are rotatably connected inside the fixed seat (10201), and the worm wheel (10208) and the worm screw (10209) are meshingly connected.

4. The obstacle avoidance device for unmanned aerial vehicles based on a high-precision radar sensor according to claim 3 is characterized in that: A second knob (10210) is fixedly mounted on the bottom of the worm (10209), and the second knob (10210) is arranged on the bottom of the fixing seat (10201).

5. The obstacle avoidance device for unmanned aerial vehicles based on a high-precision radar sensor according to claim 4, characterized in that: Second limiting sliding grooves (10203) are provided on both sides of the fixing seat (10201), and the second limiting sliding grooves (10203) are slidably connected to the limiting sliding blocks (10204) inside.

6. The obstacle avoidance device for unmanned aerial vehicles based on a high-precision radar sensor according to claim 5, characterized in that: A second threaded hole (10205) is provided in the middle of the limiting sliding block (10204), and a second screw rod (10211) is threadedly connected inside the second threaded hole (10205).

7. The obstacle avoidance device for unmanned aerial vehicles based on a high-precision radar sensor according to claim 6, characterized in that: A limit block is fixedly installed on one end of the second screw rod (10211), and one end of the second screw rod (10211) is fixedly connected to the side of the worm wheel (10208).

8. The obstacle avoidance device for unmanned aerial vehicles based on a high-precision radar sensor according to claim 7, characterized in that: A fixing frame (10206) is fixedly mounted on one side of the limit sliding block (10204), and a rubber block (10207) is fixedly mounted on one side of the top of the fixing frame (10206).