Laser radar data acquisition device based on unmanned aerial vehicle

Abstract

The utility model discloses a laser radar data acquisition device based on an unmanned aerial vehicle, which relates to the technical field of unmanned aerial vehicle data acquisition and comprises unmanned aerial vehicle equipment, a laser radar module, a positioning and navigation system, a data storage and processing unit and an auxiliary module. Through mutual cooperation of the push plate, a first limiting rod, a second limiting rod, a spring and a mounting hole, convenient mounting and dismounting of the camera device are realized, when the camera device needs to be maintained, a lens needs to be replaced or adjustment is performed according to different task requirements, a worker only needs to push the push plate, and the camera device can be conveniently mounted and dismounted. The camera device can be easily taken out from the mounting structure by moving the first limiting rod away from the first mounting hole, so that the operation is simple and convenient, the time and energy required for maintaining and replacing equipment are greatly reduced, the operation complexity and the time cost are reduced, and the maintainability and the use flexibility of the equipment are improved.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) data acquisition technology, specifically to a UAV-based lidar data acquisition device. Background Technology

[0002] LiDAR is an active remote sensing device that uses lasers as the emission source and photoelectric detection technology as its core. Its combination with UAV technology forms a highly efficient data acquisition method. The device mainly consists of a UAV flight platform, a lidar system, a positioning and navigation system, a data storage and processing unit, and auxiliary modules. It is widely used in fields such as topographic mapping, urban planning, forestry resource surveys, and power line inspection, significantly improving the efficiency and accuracy of data acquisition.

[0003] However, existing devices still have some problems in practical applications: First, the camera devices in the auxiliary modules are usually fixed, which makes it inconvenient to replace the lens during maintenance, or complicated and time-consuming to adjust the equipment according to the mission requirements; Second, UAVs rely on hovering in the air during data collection and lack the ability to stay stably in special locations (such as building facades) for a long time. Utility Model Content

[0004] To address the inconvenience of installing and disassembling auxiliary camera devices during drone flight, and the fact that drones rely on hovering in the air during data acquisition and lack the ability to remain stably stationary in specific locations for extended periods, the purpose of this invention is to provide a drone-based lidar data acquisition device.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a drone-based lidar data acquisition device, comprising a drone device, a lidar module, a positioning and navigation system, a data storage and processing unit, and an auxiliary module. The drone device has a housing fixedly installed at its bottom end, and a mounting block is fixedly installed at the bottom end of the housing. A push plate is slidably mounted in the middle of the mounting block. Two symmetrically distributed first limit rods are fixedly installed in the middle of the push plate. A frame is fixedly installed at the bottom end of the two mounting blocks. A mounting plate is slidably mounted in the middle of the frame. Two second limit rods that cooperate with the first limit rods are fixedly installed in the middle of the top of the mounting plate. A camera device is fixedly installed at the bottom end of the mounting plate.

[0006] Preferably, a screw is slidably installed through one side of the middle portion of the housing, and a suction cup is fixedly installed at one end of the screw. A worm gear is rotatably installed on one side of the inside of the housing, and the screw is threadedly installed in the middle of the worm gear. A drive assembly is provided at the lower part of the worm gear. The drive assembly includes a motor, which is fixedly installed on one side of the inside of the housing. A worm is provided at the lower part of the worm gear, and the worm and the worm gear are meshed together. One end of the worm is fixedly installed at the drive end of the motor. Two symmetrically distributed fixing rods are fixedly installed in the middle of the housing. A fixing plate is fixedly installed at one end of the screw, and both sides of the fixing plate are slidably engaged with the outer surface of the fixing rods.

[0007] Preferably, four evenly distributed limiting blocks are fixedly installed on the outer side of the mounting plate, and the four limiting blocks are slidably locked in the middle of the frame. Two symmetrically distributed springs are fixedly installed on both sides of the push plate, and the other ends of the two springs are fixedly installed in the middle of the mounting block. The upper part of the two second limiting rods is provided with a first mounting hole, and the two first limiting rods are slidably locked in the first mounting hole. The lower part of the mounting block is provided with two symmetrically distributed second mounting holes, and the upper part of the two second limiting rods are slidably locked in the second mounting holes.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0009] 1. This application achieves convenient installation and disassembly of the camera device through the cooperation of the push plate, the first limit rod, the second limit rod, the spring, and the mounting hole. When it is necessary to maintain the camera device, replace the lens, or adjust it according to different task requirements, the staff only needs to push the push plate to make the first limit rod leave the first mounting hole, and the camera device can be easily removed from the mounting structure. The operation is simple and convenient, which greatly reduces the time and effort required for maintenance and replacement of equipment, reduces the complexity and time cost of operation, and improves the maintainability and flexibility of the equipment.

[0010] 2. Driven by a motor, the worm gear and worm shaft, along with the screw, move the suction cup, causing it to come into contact with and adhere to a smooth wall surface. This allows the drone to be fixed in place on the smooth wall. During the adhesion process, the drone's power system shuts down, leaving only the lidar running. This effectively reduces power consumption, extends the device's operating time, and provides strong support for long-term, large-scale data acquisition. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the shell of this utility model.

[0014] Figure 3 This is a schematic diagram of the disassembled structure of this utility model.

[0015] Figure 4 This is a schematic diagram of the connection structure between the mounting plate and the limiting block in this utility model.

[0016] In the diagram: 1. Unmanned aerial vehicle (UAV) equipment; 2. Shell; 21. Suction cup; 22. Motor; 23. Worm gear; 24. Worm; 25. Screw; 26. Fixing rod; 27. Fixing plate; 3. Mounting block; 31. Push plate; 32. Spring; 33. First limit rod; 34. Frame; 35. Mounting plate; 36. Limiting block; 37. Second limit rod; 371. First mounting hole; 372. Second mounting hole; 38. Camera device. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example: Figure 1-4As shown, this utility model provides a drone-based lidar data acquisition device, including a drone device 1, a lidar module, a positioning and navigation system, a data storage and processing unit, and an auxiliary module. By configuring the drone device 1, lidar module, positioning and navigation system, data storage and processing unit, and auxiliary module, the drone device 1 can quickly reach the target area by carrying the lidar system; the lidar module measures the distance information of the target object by emitting and receiving laser pulses; the positioning and navigation system provides accurate position and attitude information for data acquisition; and the data storage and processing unit is responsible for storing and initially processing the acquired data. The data; the auxiliary module includes a camera device 38, a suction cup 21, etc., to assist the lidar module in collecting data. The bottom of the UAV device 1 is fixedly installed with a shell 2, and the bottom of the shell 2 is fixedly installed with a mounting block 3. A push plate 31 is slidably mounted in the middle of the mounting block 3. Two symmetrically distributed first limit rods 33 are fixedly mounted in the middle of the push plate 31. A frame 34 is fixedly installed at the bottom of the two mounting blocks 3. A mounting plate 35 is slidably mounted in the middle of the frame 34. Two second limit rods 37 that cooperate with the first limit rods 33 are fixedly mounted at the top center of the mounting plate 35. The bottom of the mounting plate 35 is fixedly installed with a camera device 38.

[0019] A screw 25 is slidably inserted through one side of the middle of the housing 2. A suction cup 21 is fixedly installed at one end of the screw 25. A worm gear 23 is rotatably installed on one side of the inside of the housing 2. The screw 25 is threadedly installed in the middle of the worm gear 23. A drive assembly is provided at the lower part of the worm gear 23.

[0020] Four evenly distributed limiting blocks 36 are fixedly installed on the outer side of the mounting plate 35. The four limiting blocks 36 are slidably locked in the middle of the frame 34. By setting the limiting blocks 36, during installation, the limiting blocks 36 are slidably locked in the inner side of the frame 34, thereby making the installation of the camera device 38 more stable and avoiding shaking.

[0021] Two symmetrically distributed springs 32 are fixedly installed on both sides of the push plate 31. The other ends of the two springs 32 are fixedly installed in the middle of the mounting block 3. By setting the springs 32, when installing the camera device 38, after the second limiting rod 37 is slid into the second mounting hole 372, the push plate 31 is released by the staff. Under the action and reaction force of the springs 32, the push plate 31 is moved to one side, which in turn causes the first limiting rod 33 to move to one side and be locked in the first mounting hole 371, thus completing the fixed installation of the camera device 38.

[0022] The upper part of each of the two second limiting rods 37 is provided with a first mounting hole 371, and the two first limiting rods 33 are slidably locked inside the first mounting hole 371. By setting the first mounting hole 371, the first limiting rod 33 is slidably inserted into the first mounting hole 371, thereby completing the fixation of the second limiting rod 37.

[0023] The lower part of the mounting block 3 has two symmetrically distributed second mounting holes 372. The upper parts of the two second limiting rods 37 are slidably locked inside the second mounting holes 372. By setting the second mounting holes 372, the second limiting rods 37 are slidably inserted into the second mounting holes 372, so that they can come into contact with the first limiting rod 33.

[0024] The drive assembly includes a motor 22, which is fixedly installed inside one side of the housing 2. A worm 24 is provided at the lower part of the worm wheel 23. The worm 24 is meshed with the worm wheel 23. One end of the worm 24 is fixedly installed at the drive end of the motor 22. By setting the motor 22, the worm 24 can be driven to rotate under the drive of the motor 22.

[0025] Two symmetrically distributed fixing rods 26 are fixedly installed in the middle of the housing 2. A fixing plate 27 is fixedly installed at one end of the screw 25. Both sides of the fixing plate 27 are slidably locked onto the outer surface of the fixing rods 26. By setting the fixing rods 26, the screw 25 can be limited to prevent it from rotating when the worm gear 23 rotates.

[0026] Working principle: During operation, the drone device 1, equipped with a lidar system, quickly reaches the target area. It measures the distance to the target object by emitting and receiving laser pulses. During the flight of the drone device 1, the operator uses the camera device 38 to locate and judge the flight environment and position. When the drone device 1 needs to hover over a smooth wall, the motor 22 drives the worm gear 24 to rotate, which in turn drives the worm wheel 23 to rotate. This causes the screw 25, which is threaded in the middle, to move to one side, so that the suction cup 21 is close to the wall. The suction force of the suction cup 21 is used to attach the drone device 1 to one side of the wall, thus fixing it in place. In the attachment state, the drone's power system is shut down, and only the lidar is running, thereby reducing power consumption.

[0027] When the camera device 38 is not needed or needs maintenance, the push plate 31 can be pushed to move it to one side, thereby causing the first limiting rod 33 to leave the inside of the first mounting hole 371, so that the first limiting rod 33 can be taken out from the middle of the second mounting hole 372, thus completing the disassembly of the camera device 38. The operation is reversed during installation.

[0028] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. An unmanned aerial vehicle (UAV) based laser radar data acquisition apparatus comprising a UAV device (1), a laser radar module, a positioning and navigation system, a data storage and processing unit, and an auxiliary module, characterized in that: The bottom end of the unmanned equipment (1) is fixedly installed with a shell (2), the bottom end of the shell (2) is fixedly installed with a mounting block (3), the middle part of the mounting block (3) is slidably clamped with a push plate (31), the middle part of the push plate (31) is fixedly installed with two symmetrically distributed first limiting rods (33), the bottom end of the two mounting blocks (3) is fixedly installed with a frame (34), the middle part of the frame (34) is slidably clamped with a mounting plate (35), the top end of the mounting plate (35) is fixedly installed with two second limiting rods (37) used in cooperation with the first limiting rods (33), and the bottom end of the mounting plate (35) is fixedly installed with a camera (38).

2. The unmanned aerial vehicle lidar data acquisition device of claim 1, wherein, The middle part of the shell (2) is slidably penetrated with a screw rod (25), one end of the screw rod (25) is fixedly installed with a suction cup (21), the inside of the shell (2) is rotatably installed with a worm wheel (23), the screw rod (25) is threadedly installed in the middle part of the worm wheel (23), and the lower part of the worm wheel (23) is provided with a driving assembly.

3. The unmanned aerial vehicle lidar data acquisition device of claim 1, wherein, The outer side of the mounting plate (35) is fixedly installed with four evenly distributed limiting blocks (36), and the four limiting blocks (36) are slidably clamped in the middle part of the frame (34).

4. The unmanned aerial vehicle lidar data acquisition device of claim 1, wherein, The two sides of the push plate (31) are fixedly installed with two symmetrically distributed springs (32), and the other ends of the two springs (32) are fixedly installed in the middle part of the mounting block (3).

5. The unmanned aerial vehicle lidar data acquisition device of claim 1, wherein, The upper parts of the two second limiting rods (37) are provided with first mounting holes (371), and the two first limiting rods (33) are slidably clamped in the first mounting holes (371).

6. The unmanned aerial vehicle lidar data acquisition device of claim 1, wherein, The lower part of the mounting block (3) is provided with two symmetrically distributed second mounting holes (372), and the upper parts of the two second limiting rods (37) are slidably clamped in the second mounting holes (372).

7. The unmanned aerial vehicle lidar data acquisition device of claim 2, wherein, The driving assembly comprises a motor (22), the motor (22) is fixedly installed on the inside of the shell (2), the lower part of the worm wheel (23) is provided with a worm (24), the worm (24) and the worm wheel (23) are connected with each other, and one end of the worm (24) is fixedly installed on the driving end of the motor (22).

8. The unmanned aerial vehicle lidar data acquisition device of claim 2, wherein, The middle part of the shell (2) is fixedly installed with two symmetrically distributed fixing rods (26), one end of the screw rod (25) is fixedly installed with a fixing plate (27), and the two sides of the fixing plate (27) are slidably clamped on the outer surfaces of the fixing rods (26).

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