Adjustable camera structure for unmanned aerial vehicle inspection

Abstract

The utility model discloses an adjustable camera structure for unmanned aerial vehicle inspection. The adjustable camera structure comprises a storage groove, a groove, a wiping block, a lead screw linear module, a driven frame, a driving motor, a rotating block and a camera device. A storage groove in the lower surface of the unmanned aerial vehicle is used for storing the camera; an arc-shaped groove is formed in the middle of the top of the storage groove for storing the wiping block; the lead screw linear module is used for adjusting the height of the camera, the driving motor and the transmission shaft drive the rotating block to rotate, then the shooting angle of the camera is adjusted, and in the left-right reciprocating rotation process of the rotating structure, the wiping block capable of touching the groove wipes and removes dust and impurities on the surface of the camera. The structure has the advantages that the height and angle of the camera can be adjusted, the camera can be cleaned in the inspection process, and the inspection efficiency and the inspection result quality of the unmanned aerial vehicle are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to an adjustable camera structure used for unmanned aerial vehicle inspection. Background Art

[0002] With the continuous development of intelligent construction of hydropower stations, the use of drones to replace manual inspections of hydraulic structures has become a major trend in the safety monitoring and inspection of hydropower stations. The crack inspection of the dam's water-facing panels is an important part of the inspection work. The images of the dam's water-facing panels are collected by drones, and then the crack defects in the images are identified using intelligent algorithms, and basic information such as their length and width are extracted to complete the crack inspection of the dam's water-facing panels based on drones. The camera is a component for shooting and collecting images, and its adjustable structure is essential;

[0003] In this regard, the public document: CN219172692U, named "A UAV with an adjustable camera" includes a UAV frame, a telescopic unit and an angle adjustment unit; UAV frame: the through holes at the four corners of its upper surface are each provided with a paddle motor, a sliding seat is slidably connected to the rectangular through hole on the lower surface of the UAV frame, a supporting shaft is rotatably connected to the rotating hole at the lower end of the sliding seat, a camera is provided at the rear end of the supporting shaft, a lower guard plate is provided on the lower surface of the camera, a protective shell is provided on the front side of the lower surface of the UAV frame, the camera is located inside the protective shell, and a battery is provided at the right end inside the UAV frame; telescopic unit: arranged inside the UAV frame, the lower end of the telescopic unit is fixedly connected to the sliding seat; for the UAV with an adjustable camera, the camera can be telescoped, which enhances the safety of the camera, and the camera angle can be adjusted at the same time, which enhances the shooting range and improves the use effect of the UAV.

[0004] Although the above-mentioned existing drone camera structure can adjust the angle and height of the camera, when the drone is shooting, since the camera is outside for a long time, it is easy for the camera to be contaminated with impurities, which in turn reduces the clarity of the shooting and affects the accuracy of the unmanned inspection results. The use of the drone return cleaning method will increase the entire drone inspection time and reduce the drone inspection efficiency. Therefore, it does not meet the existing needs. We have proposed an adjustable camera structure for drone inspection. Utility Model Content

[0005] The purpose of the utility model is to provide a camera that is easy to adjust and can clean impurities from the camera while adjusting the height and angle of the camera through an adjustment structure, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable camera structure for drone inspection, comprising: a drone body, wherein a controller is installed inside the drone body;

[0007] Also includes:

[0008] A storage groove is provided on the lower surface of the drone body, an arc-shaped groove is provided at the middle position of the top of the storage groove, and a wiping block matching the shape of the groove is bonded to the inner wall of the groove;

[0009] A lead screw linear module is installed on both sides of the storage groove, and its lower end extends to the outside of the storage groove. A driven frame is provided between the lead screw linear modules, a camera is provided between the driven frames, a driving motor is installed inside the driven frame, a transmission shaft is provided at the output end of the driving motor, a rotating block is provided at one end of the transmission shaft, and the rotating block is installed in combination with the side wall of the camera.

[0010] Preferably, the screw linear module includes a screw motor and a ball screw, a screw slider is installed on the outer wall of the ball screw, a connecting piece is installed on the outer wall of the screw slider, and one end of the connecting piece is assembled and installed with the driven frame.

[0011] Preferably, a plurality of clamping blocks are mounted on the upper surface of the driven frame, and clamping slots are provided on both sides of the top wall of the receiving slot, and the clamping blocks are engaged with the clamping slots.

[0012] Preferably, the controller includes a wireless transmission module and a GPS positioning module, and the controller is wirelessly connected to the user terminal via the wireless transmission module.

[0013] Preferably, a nose main camera is installed at the front end of the drone body, and an output end of the nose main camera is electrically connected to an input end of the controller.

[0014] Preferably, landing gears are provided on both sides of the lower surface of the drone body, and a plurality of damping spring shock absorbers are installed between the landing gears and the drone body.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] Compared with the camera adjustment structure of the existing UAV, the utility model provides the UAV with a camera adjustment structure by arranging a storage slot, a groove, a wiping block, a lead screw linear module, a driven frame, a driving motor, a rotating block, and a camera, and based on the camera adjustment structure, the mirror surface of the camera is cleaned and wiped; wherein, the storage slot is used to store and place the camera, the lead screw linear module achieves the effect of adjusting the height of the camera, the driving motor and the transmission shaft are used to drive the rotating block to rotate, and the shooting angle of the camera is adjusted by rotation, and based on the rotating structure, the camera is flipped upward so that its lens faces upward, and then the dust and impurities on the surface of the camera are wiped off on the wiping block in the groove by reciprocating left and right rotation, so that the structure can not only adjust the angle and height of the camera, but also achieve cleaning, effectively improving the inspection efficiency of the UAV and the quality of the inspection results.

[0017] After the screw linear module drives the camera to move into the storage slot, the card blocks on the driven frames on both sides will be inserted into the card slot for engagement, so that it is fixed inside, thereby improving the stability and firmness of the storage state and protecting the camera in the slot; when the camera is used subsequently, the downward pulling force is used to drive the card block out of the card slot, so that the camera can be moved out of the storage slot without affecting the normal use of the camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the storage tank of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the driven frame of the utility model;

[0021] Figure 4 It is the principle diagram of the utility model;

[0022] In the figure: 1. UAV body; 2. Controller; 3. Landing gear; 4. Damping spring shock absorber; 5. Storage slot; 6. Screw linear module; 7. Screw motor; 8. Ball screw; 9. Screw slider; 10. Connector; 11. Follower frame; 12. Drive motor; 13. Transmission shaft; 14. Rotating block; 15. Camera; 16. Groove; 17. Wiping block; 18. Card block; 19. Card slot; 20. Wireless transmission module; 21. GPS positioning module; 22. Main camera of the nose. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4 , the utility model provides an embodiment: an adjustable camera structure for unmanned aerial vehicle inspection, comprising: an unmanned aerial vehicle body 1, a controller 2 is installed inside the unmanned aerial vehicle body 1;

[0025] Also includes:

[0026] The storage groove 5 is provided on the lower surface of the drone body 1. An arc-shaped groove 16 is provided at the middle position of the top of the storage groove 5. A wiping block 17 matching the shape of the groove 16 is bonded to the inner wall of the groove 16.

[0027] The lead screw linear module 6 is installed on both sides of the storage slot 5, and its lower end extends to the outside of the storage slot 5. A driven frame 11 is provided between the lead screw linear module 6, and a camera 15 is provided between the driven frames 11. A driving motor 12 is installed inside the driven frame 11. A transmission shaft 13 is provided at the output end of the driving motor 12. A rotating block 14 is provided at one end of the transmission shaft 13, and the rotating block 14 is installed in combination with the side wall of the camera 15;

[0028] Compared with the camera 15 adjustment structure of the existing drone, the drone has a camera 15 adjustment structure through the arrangement of the storage slot 5, the groove 16, the wiping block 17, the screw linear module 6, the driven frame 11, the drive motor 12, the rotating block 14, and the camera 15, and based on the camera 15 adjustment structure, the mirror surface of the camera 15 is cleaned and wiped; wherein, the storage slot 5 is used to store and place the camera 15, the screw linear module 6 realizes the effect of adjusting the height of the camera 15, the drive motor 12 and the transmission shaft 13 are used to drive the rotating block 14 to rotate, and the shooting angle of the camera 15 is adjusted by rotation, and based on the rotating structure, the camera 15 is flipped upward so that its lens faces upward, and then the dust and impurities on the surface of the camera 15 are wiped off on the wiping block 17 of the groove 16 by reciprocating left and right rotation, so that the structure can not only adjust the angle and height of the camera 15, but also can realize cleaning, effectively improving the inspection efficiency and inspection result quality of the drone.

[0029] See also Figure 2 The screw linear module 6 includes a screw motor 7 and a ball screw 8. A screw slider 9 is mounted on the outer wall of the ball screw 8. A connecting member 10 is mounted on the outer wall of the screw slider 9. One end of the connecting member 10 is assembled with a driven frame 11.

[0030] The screw motor 7 and the ball screw 8 are used to drive the screw slider 9 to move up and down, and the camera 15 at the driven frame 11 is moved up and down to achieve the effect of height adjustment of the camera 15, and facilitate the camera 15 to move in and out of the storage slot 5.

[0031] See also Figure 2A plurality of blocks 18 are mounted on the upper surface of the driven frame 11, and a card slot 19 is disposed on both sides of the top wall of the receiving slot 5, and the blocks 18 are engaged with the card slots 19;

[0032] After the screw linear module 6 drives the camera 15 to move into the storage slot 5, the blocks 18 on the driven frames 11 on both sides will be inserted into the slots 19 for engagement, so that they are fixed inside, thereby improving the stability and firmness of the storage state and protecting the camera 15 in the slot; when the camera 15 is used subsequently, the downward pulling force is used to drive the block 18 to disengage from the slot 19, so that the camera 15 can be moved out of the storage slot 5.

[0033] See also Figure 4 , the controller 2 includes a wireless transmission module 20 and a GPS positioning module 21, and the controller 2 is wirelessly connected to the user terminal via the wireless transmission module 20;

[0034] The wireless transmission module 20 is used to enable the drone to have wireless data transmission function, facilitate the transmission of collected images and other data, and receive data and signals at the terminal for remote control. The GPS positioning module 21 is used to facilitate the positioning of the drone.

[0035] See also Figure 1 The front end of the drone body 1 is equipped with a nose main camera 22, and the output end of the nose main camera 22 is electrically connected to the input end of the controller 2;

[0036] The nose main camera 22 is used to capture image information data in front of the drone to determine whether there is an obstacle in front of the drone.

[0037] See also Figure 1 , landing gears 3 are provided on both sides of the lower surface of the drone body 1, and a plurality of damping spring shock absorbers 4 are installed between the landing gears 3 and the drone body 1;

[0038] The damping spring shock absorber 4 is used to improve the shock absorption between the landing gear 3 and the body. During landing, the damping spring shock absorber 4 reduces the impact to avoid damage to the body.

[0039] Working principle: Before the official start of the drone automated inspection, the drone is first used to carry out oblique photography of the target area and build a map. On the remote control platform, the route planning software is used to plan the route of the built target area map, and the time and frequency of the automatic inspection are set. Before each drone inspection, the minimum flight altitude of the drone in the route is modified according to the current panel front water level data displayed on the platform to ensure safety;

[0040] During the inspection, the user terminal transmits the control signal to the controller 2 through the wireless transmission module 20. The controller 2 receives the signal and starts the screw motor 7. The screw motor 7 and the ball screw 8 drive the screw slider 9 to move downward. Through the downward movement force, the block 18 of the driven frame 11 is disengaged from the card slot 19, and the driven frame 11 and the camera 15 are moved out of the storage slot 5. Then the drive motor 12 is turned on, and the drive motor 12 and the transmission shaft 13 drive the rotating block 14 and the camera 15 to rotate. The shooting angle of the camera 15 is adjusted by rotation. The camera 15 captures and collects the data and feeds it back to the user terminal.

[0041] During wiping and cleaning, the driving motor 12 drives the camera 15 to rotate upward, and the screw linear module 6 drives the camera 15 to move upward, inserting the lens into the groove 16, and then the driving motor 12 drives the camera 15 to rotate back and forth, so that the camera 15 contacts the wiping block 17 in the groove 16, and the rotational force is used to wipe and remove impurities on the surface of the lens. After removal, the driving motor 12 drives the camera 15 to rotate and reset, and the screw linear module 6 moves the camera 15 into the storage slot 5 for storage.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An adjustable camera structure for unmanned aerial vehicle inspection, comprising an unmanned aerial vehicle body (1), wherein a controller (2) is installed inside the unmanned aerial vehicle body (1); Features: Also includes: A storage groove (5) is provided on the lower surface of the drone body (1); an arc-shaped groove (16) is provided at the middle position of the top of the storage groove (5); a wiping block (17) matching the shape of the groove (16) is bonded to the inner wall of the groove (16); A lead screw linear module (6) is installed on both sides of the storage groove (5), and its lower end extends to the outside of the storage groove (5); a driven frame (11) is provided between the lead screw linear module (6); a camera (15) is provided between the driven frames (11); a drive motor (12) is installed inside the driven frame (11); a transmission shaft (13) is provided at the output end of the drive motor (12); a rotating block (14) is provided at one end of the transmission shaft (13); and the rotating block (14) is installed in combination with the side wall of the camera (15).

2. The adjustable camera structure for unmanned aerial vehicle inspection according to claim 1 is characterized in that: The screw linear module (6) comprises a screw motor (7) and a ball screw (8), a screw slider (9) is mounted on the outer wall of the ball screw (8), a connecting piece (10) is mounted on the outer wall of the screw slider (9), and one end of the connecting piece (10) is assembled and mounted with a driven frame (11).

3. The adjustable camera structure for unmanned aerial vehicle inspection according to claim 1 is characterized in that: A plurality of clamping blocks (18) are mounted on the upper surface of the driven frame (11), clamping slots (19) are provided on both sides of the inner top wall of the storage slot (5), and the clamping blocks (18) are engaged with the clamping slots (19).

4. The adjustable camera structure for unmanned aerial vehicle inspection according to claim 1 is characterized in that: The controller (2) comprises a wireless transmission module (20) and a GPS positioning module (21), and the controller (2) is wirelessly connected to a user terminal via the wireless transmission module (20).

5. The adjustable camera structure for unmanned aerial vehicle inspection according to claim 4 is characterized in that: A nose main camera (22) is installed at the front end of the drone body (1), and the output end of the nose main camera (22) is electrically connected to the input end of the controller (2).

6. The adjustable camera structure for unmanned aerial vehicle inspection according to claim 1 is characterized in that: Landing gears (3) are provided on both sides of the lower surface of the drone body (1), and a plurality of damping spring shock absorbers (4) are installed between the landing gears (3) and the drone body (1).

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