Airborne infrared thermal imaging device for inspection of unmanned aerial vehicle

Abstract

The invention discloses an airborne infrared thermal imaging device for unmanned aerial vehicle inspection, and relates to the technical field of unmanned aerial vehicle inspection, the airborne infrared thermal imaging device comprises an unmanned aerial vehicle cabin, the unmanned aerial vehicle cabin is internally connected with a lifting plate through an electric contraction mechanism, and the lifting plate is provided with a multi-angle shooting mechanism; a photovoltaic power supply mechanism and an angle-adjustable launching mechanism are sequentially arranged outside the unmanned aerial vehicle cabin, and a controller and a wireless transmitter are sequentially and fixedly installed on the outer wall of the front side of the unmanned aerial vehicle cabin. The multi-angle shooting mechanism is arranged, the shooting angle of the infrared thermal imaging camera can be flexibly adjusted through the hinged hydraulic rod, the rotating disc at the bottom end of the direction adjusting shaft is driven to rotate through the control assembly, and the shooting direction of the infrared thermal imaging camera can be flexibly adjusted; in this way, the multi-angle and all-directional shooting effect is achieved, the capturing range of the infrared thermal image of the target area is effectively widened, and the working efficiency of the airborne infrared thermal imaging device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicle inspection, and in particular to an airborne infrared thermal imaging device for unmanned aerial vehicle inspection. Background Art

[0002] Currently in the fields of electricity, oil, natural gas, forest fire prevention, etc., regular inspections are an important means to ensure the safe operation of facilities and prevent disasters. Traditional inspection methods mainly rely on manpower, which is inefficient and poses safety hazards.

[0003] In recent years, with the development of drone technology, the use of infrared thermal imaging devices on drones can effectively capture infrared thermal images of target areas, can be used at night, and can penetrate hidden obstacles such as smoke and dust to achieve all-weather imaging effects. However, the existing airborne infrared thermal imaging devices for human-machine inspection still have the following problems in actual use:

[0004] First, the working angle and orientation of the infrared thermal imaging camera cannot be flexibly adjusted, thereby reducing the capture range of the infrared thermal image of the target area, thereby reducing the working efficiency of the airborne infrared thermal imaging device;

[0005] Secondly, after capturing the infrared thermal image of the target area, the fire could not be extinguished in time, causing the fire to spread rapidly at the inspection site and resulting in significant economic losses. Summary of the invention

[0006] In view of the shortcomings of the prior art, the present invention provides an airborne infrared thermal imaging device for drone inspections, which effectively solves the problem that the prior art is unable to flexibly adjust the working angle and orientation of the infrared thermal imaging camera, thereby reducing the capture range of the infrared thermal image of the target area, thereby reducing the working efficiency of the airborne infrared thermal imaging device. It also solves the problem that the prior art is unable to perform fire extinguishing in time after capturing the infrared thermal image of the target area, resulting in rapid spread of fire at the inspection site and causing significant economic losses.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] An airborne infrared thermal imaging device for drone inspection comprises a drone cabin, wherein a lifting plate is connected to the drone cabin via an electric retracting mechanism, and a multi-angle shooting mechanism is arranged on the lifting plate, a photovoltaic power supply mechanism and an angle-adjustable transmitting mechanism are arranged outside the drone cabin in sequence, and a controller and a wireless transmitter are fixedly installed in sequence on the front outer wall of the drone cabin;

[0009] The multi-angle shooting mechanism includes a control component, a guide component, an azimuth adjustment shaft rotatably mounted at the center of the lifting plate, a turntable coaxially welded to the outer wall of the bottom end of the azimuth adjustment shaft, a camera bearing seat hinged to the bottom of the turntable, an infrared thermal imaging camera fixedly mounted on the outer wall of the bottom of the camera bearing seat, and a hydraulic rod hinged between the turntable and the camera bearing seat;

[0010] The angle-adjustable launching mechanism comprises a fixed cover fixedly connected to the front outer wall of the UAV cabin, an angle-adjusting shaft rotatably installed in front of the fixed cover, a connecting plate welded to the front outer wall of the angle-adjusting shaft, an electric launcher for fire-extinguishing bombs fixedly installed on the front outer wall of the connecting plate, and a driving assembly arranged on the fixed cover.

[0011] As an optimal technical solution of the present invention, the control assembly includes a gear box fixedly mounted on the top outer wall of the lifting plate, a No. 1 stepper motor fixedly mounted on the side wall of the gear box, an active bevel gear fixedly mounted on the output shaft of the No. 1 stepper motor, and a driven bevel gear fixedly mounted on the upper part of the azimuth adjustment shaft.

[0012] As a preferred technical solution of the present invention, the output shaft of the No. 1 stepper motor passes through one side of the gear box, and the driving bevel gear and the driven bevel gear are meshed with each other and are both located in the gear box.

[0013] As a preferred technical solution of the present invention, the guide assembly includes an annular guide groove opened at the bottom of the lifting plate and four guide columns welded to the outer wall of the top of the turntable in sequence, and the outer walls of the four guide columns are slidably connected to the inner wall of the annular guide groove.

[0014] As a preferred technical solution of the present invention, the electric telescopic mechanism includes two slide grooves sequentially opened on both sides of the UAV cabin, two threaded vertical rods sequentially rotatably installed in the two slide grooves, two lifting blocks sequentially threadedly connected to the two threaded vertical rods, and a synchronous control component arranged on the top of the UAV cabin.

[0015] As a preferred technical solution of the present invention, the outer walls of the two lifting blocks are slidably connected to the inner walls of the two sliding grooves respectively, and the outer walls of the adjacent sides of the two lifting blocks are welded to the outer walls of both sides of the lifting plate in sequence.

[0016] As an optimal technical solution of the present invention, the synchronous control component includes a mounting shell fixedly connected to the top outer wall of the UAV cabin, a No. 2 stepper motor fixedly mounted on the top middle outer wall of the mounting shell, a double-groove synchronous pulley fixedly mounted on the output shaft of the No. 2 stepper motor, and two single-groove synchronous pulleys fixedly mounted on the upper parts of the two threaded vertical rods in sequence. The output shaft of the No. 2 stepper motor passes through the mounting shell, and the double-groove synchronous pulley is sequentially connected to the two single-groove synchronous pulleys through two synchronous belts.

[0017] As a preferred technical solution of the present invention, the driving assembly includes a No. 3 stepper motor fixedly mounted on the side wall of the fixed cover, a worm fixedly mounted on the output shaft of the No. 3 stepper motor, and a worm wheel fixedly mounted on the angle adjustment shaft and meshing with the worm, and the output shaft of the No. 3 stepper motor passes through one side of the fixed cover.

[0018] As an optimal technical solution of the present invention, the photovoltaic power supply mechanism includes a transmission shaft rotatably mounted on the top of the UAV cabin, a gear disc coaxially welded to the outer wall of the top end of the transmission shaft, a triangular support fixedly mounted on the outer wall of the top of the gear disc, a photosensitive sensor fixedly mounted on the front outer wall of the triangular support, a photovoltaic panel fixedly mounted on the oblique side wall of the triangular support, a No. 4 stepper motor fixedly mounted on the inner wall of the top of the UAV cabin, and a driving gear fixedly mounted on the output shaft of the No. 4 stepper motor.

[0019] As a preferred technical solution of the present invention, the output shaft of the No. 4 stepper motor passes through the top of the UAV cabin, the driving gear is meshed with the gear plate, and a battery is fixedly installed on the top inner wall of the UAV cabin.

[0020] The beneficial effects of the present invention are:

[0021] 1. The present invention is provided with a multi-angle shooting mechanism, and the shooting angle of the infrared thermal imaging camera can be flexibly adjusted through a hinged hydraulic rod, and the turntable at the bottom of the azimuth adjustment shaft is driven to rotate by the control component, so that the shooting azimuth of the infrared thermal imaging camera can be flexibly adjusted, thereby achieving a multi-angle and omnidirectional shooting effect, effectively broadening the capture range of the infrared thermal image of the target area, and improving the working efficiency of the airborne infrared thermal imaging device;

[0022] 2. The present invention is provided with an electric retractable mechanism, which can realize the electric retraction effect of the infrared thermal imaging camera, and can automatically retract it into the cabin of the drone when not in use, thereby effectively protecting the infrared thermal imaging camera in an emergency;

[0023] 3. The present invention is provided with an angle-adjustable launching mechanism, which can launch the dry powder fire extinguishing bomb in the electric launcher of the fire extinguishing bomb at a suitable launching angle after capturing the infrared thermal image of the target area to extinguish the fire in time, thereby effectively preventing the fire from expanding and spreading, and effectively reducing economic losses;

[0024] 4. The present invention is provided with a photovoltaic power supply mechanism. Under the original power supply of the battery, the photovoltaic panel absorbs external solar energy and converts it into electrical energy to continuously charge the battery. The photovoltaic panel has the effect of automatically tracking solar energy, which can effectively improve the power generation efficiency of the photovoltaic panel, thereby providing stable electricity, ensuring the long-term flight of the drone and expanding the inspection range. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0026] Figure 1 It is a schematic diagram of the overall front-view three-dimensional structure of the present invention;

[0027] Figure 2 Schematic diagram of the three-dimensional structure of the interior of the cabin of the UAV in the present invention;

[0028] Figure 3 It is a schematic cross-sectional structure diagram of the mid-infrared thermal imaging camera of the present invention in a working state;

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the electric retracting mechanism in the present invention;

[0030] Figure 5 It is a three-dimensional enlarged structural schematic diagram of the bottom view of the lifting plate in the present invention;

[0031] Figure 6 It is a three-dimensional enlarged structural schematic diagram of the guide assembly in the present invention;

[0032] Figure 7 It is a three-dimensional enlarged structural schematic diagram of the angle-adjustable launching mechanism of the present invention;

[0033] Figure 8 It is a three-dimensional enlarged structural schematic diagram of the photovoltaic power supply mechanism in the present invention.

[0034] In the figure: 1. UAV cabin; 2. Lifting plate; 3. Azimuth adjustment shaft; 4. Turntable; 5. Camera support; 6. Infrared thermal imaging camera; 7. Hydraulic rod; 8. Gear box; 9. No. 1 stepper motor; 10. Driving bevel gear; 11. Driven bevel gear; 12. Controller;

[0035] 13. wireless transmitter; 14. annular guide groove; 15. guide column; 16. threaded vertical rod;

[0036] 17. Lifting block; 18. Mounting shell; 19. No. 2 stepper motor; 20. Double-groove synchronous pulley; 21. Single-groove synchronous pulley; 22. Synchronous belt; 23. Fixed cover; 24. Angle adjustment shaft; 25. Connecting plate; 26. Electric launcher of fire extinguishing bomb; 27. No. 3 stepper motor; 28. Worm; 29. ​​Worm wheel; 30. Transmission shaft; 31. Toothed disc; 32. Triangular support; 33. Photosensitive sensor; 34. Photovoltaic panel; 35. No. 4 stepper motor; 36. Driving gear; 37. Battery. DETAILED DESCRIPTION

[0037] 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 the embodiments.

[0038] Example 1, reference Figure 1-6 , an airborne infrared thermal imaging device for unmanned aerial vehicle inspection, comprising an unmanned aerial vehicle cabin 1, a lifting plate 2 is connected to the unmanned aerial vehicle cabin 1 through an electric retracting mechanism, and a multi-angle shooting mechanism is provided on the lifting plate 2;

[0039] In this embodiment, a controller 12 and a wireless transmitter 13 are fixedly mounted on the front outer wall of the UAV cabin 1 in sequence, and the wireless transmitter 13 is used to transmit infrared thermal images to a ground control station in real time, so as to facilitate remote monitoring and control;

[0040] In this embodiment, the multi-angle shooting mechanism is electrically connected to the controller 12 and controlled by it. The multi-angle shooting mechanism includes a control component, a guide component, an azimuth adjustment shaft 3 rotatably installed at the center of the lifting plate 2, a turntable 4 coaxially welded to the outer wall of the bottom end of the azimuth adjustment shaft 3, a camera support seat 5 hinged to the bottom of the turntable 4, an infrared thermal imaging camera 6 fixedly installed on the outer wall of the bottom of the camera support seat 5, and a hydraulic rod 7 hinged between the turntable 4 and the camera support seat 5. The infrared thermal imaging camera 6 is used to capture infrared thermal images of the target area, and can penetrate obstacles such as smoke and dust to achieve all-weather imaging;

[0041] Furthermore, the control assembly includes a gear box 8 fixedly mounted on the top outer wall of the lifting plate 2, a stepper motor 9 fixedly mounted on the side wall of the gear box 8, a driving bevel gear 10 fixedly mounted on the output shaft of the stepper motor 9, and a driven bevel gear 11 fixedly mounted on the upper part of the azimuth adjustment shaft 3. The output shaft of the stepper motor 9 passes through one side of the gear box 8, and the driving bevel gear 10 and the driven bevel gear 11 are meshed with each other and are both located in the gear box 8;

[0042] Furthermore, the guide assembly includes an annular guide groove 14 provided at the bottom of the lifting plate 2 and four guide posts 15 welded to the outer wall of the top of the turntable 4 in sequence. The outer walls of the four guide posts 15 are slidably connected to the inner wall of the annular guide groove 14. Through the guiding effect of the guide assembly, the stability of the rotation of the turntable 4 can be ensured.

[0043] In the specific implementation of this embodiment: the shooting angle of the infrared thermal imaging camera 6 installed at the bottom of the camera supporting seat 5 can be flexibly adjusted through the hinged hydraulic rod 7, and the active bevel gear 10 is driven to rotate by the No. 1 stepping motor 9, and then the driven bevel gear 11 meshing with the active bevel gear 10 drives the azimuth adjustment shaft 3 to rotate, and then the turntable 4 drives the infrared thermal imaging camera 6 to rotate, so as to achieve multi-angle and all-round shooting effects, effectively broaden the capture range of the infrared thermal image of the target area, and improve the working efficiency of the airborne infrared thermal imaging device.

[0044] Example 2, reference Figure 2-4 , This embodiment is optimized on the basis of embodiment 1, specifically: an airborne infrared thermal imaging device for unmanned aerial vehicle inspection, further comprising an electric telescopic mechanism;

[0045] In this embodiment, the electric telescopic mechanism is electrically connected to the controller 12 and controlled by it. The electric telescopic mechanism includes two slide slots sequentially opened on both sides of the UAV cabin 1, two threaded vertical rods 16 sequentially rotatably installed in the two slide slots, two lifting blocks 17 sequentially threadedly connected to the two threaded vertical rods 16, and a synchronous control component arranged on the top of the UAV cabin 1;

[0046] Furthermore, the outer walls of the two lifting blocks 17 are slidably connected to the inner walls of the two slide grooves, and the outer walls of the adjacent sides of the two lifting blocks 17 are welded to the outer walls of the lifting plate 2 in sequence;

[0047] Furthermore, the synchronous control component includes a mounting shell 18 fixedly connected to the top outer wall of the UAV cabin 1, a No. 2 stepper motor 19 fixedly mounted on the top middle outer wall of the mounting shell 18, a double-groove synchronous pulley 20 fixedly mounted on the output shaft of the No. 2 stepper motor 19, and two single-groove synchronous pulleys 21 fixedly mounted on the upper parts of the two threaded vertical rods 16 in sequence, the output shaft of the No. 2 stepper motor 19 passes through the mounting shell 18, and the double-groove synchronous pulley 20 is sequentially connected to the two single-groove synchronous pulleys 21 through two synchronous belts 22;

[0048] During the specific implementation of this embodiment: the double-groove synchronous pulley 20 is controlled to rotate by the No. 2 stepper motor 19, and then under the transmission effect of the two synchronous belts 22, the two single-groove synchronous pulleys 21 will drive the two threaded vertical rods 16 to rotate synchronously, and then under the limit of the two slide grooves, through the positive and negative control of the output shaft of the No. 2 stepper motor 19, the two lifting blocks 17 threadedly connected with the two threaded vertical rods 16 can drive the lifting plate 2 to perform lifting and lowering movements, so that the electric retraction effect of the infrared thermal imaging camera 6 can be achieved, and then it can automatically retract out of the drone cabin 1 for work when in use, and can also automatically retract into the drone cabin 1 when not in use, so that the infrared thermal imaging camera 6 can be effectively protected in an emergency.

[0049] Example 3, reference Figure 1 and Figure 7 , This embodiment is optimized on the basis of embodiment 1, specifically: an airborne infrared thermal imaging device for unmanned aerial vehicle inspection, further comprising an angle-adjustable transmitting mechanism;

[0050] In this embodiment, the angle-adjustable launching mechanism includes a fixed cover 23 fixedly connected to the front outer wall of the UAV cabin 1, an angle adjustment shaft 24 rotatably mounted in front of the fixed cover 23, a connecting plate 25 welded to the front outer wall of the angle adjustment shaft 24, a fire extinguishing bomb electric launcher 26 fixedly mounted on the front outer wall of the connecting plate 25, and a driving assembly arranged on the fixed cover 23. The ammunition launched by the fire extinguishing bomb electric launcher 26 is a dry powder fire extinguishing bomb;

[0051] Furthermore, the driving assembly includes a No. 3 stepper motor 27 fixedly mounted on the side wall of the fixed cover 23, a worm 28 fixedly sleeved on the output shaft of the No. 3 stepper motor 27, and a worm wheel 29 fixedly sleeved on the angle adjustment shaft 24 and meshing with the worm 28. The output shaft of the No. 3 stepper motor 27 passes through one side of the fixed cover 23, and the worm 28 and the worm wheel 29 are both located in the fixed cover 23;

[0052] During the specific implementation of this embodiment: the infrared thermal imaging camera 6 transmits the infrared thermal image to the ground control station in real time through the wireless transmitter 13, and the operator performs remote monitoring according to the specific situation. At this time, after the controller 12 receives the control instruction, the No. 3 stepper motor 27 will drive the worm 28 to rotate, and then the worm wheel 29 engaged with the worm 28 will drive the angle adjustment shaft 24 to rotate, so that the launch angle of the fire extinguishing bomb electric launcher 26 can be flexibly adjusted, so that after capturing the infrared thermal image of the target area, the dry powder fire extinguishing bomb in the fire extinguishing bomb electric launcher 26 can be launched at a suitable launch angle to promptly extinguish the fire, effectively preventing the fire from expanding and spreading.

[0053] Example 4, reference Figure 1-3 and Figure 8 , This embodiment is optimized on the basis of embodiment 1, specifically: an airborne infrared thermal imaging device for unmanned aerial vehicle inspection, further comprising a photovoltaic power supply mechanism;

[0054] In this embodiment, the photovoltaic power supply mechanism includes a transmission shaft 30 rotatably mounted on the top of the UAV cabin 1, a toothed disc 31 coaxially welded to the outer wall of the top end of the transmission shaft 30, a triangular support 32 fixedly mounted on the outer wall of the top of the toothed disc 31, a photosensitive sensor 33 fixedly mounted on the outer wall of the front side of the triangular support 32, a photovoltaic panel 34 fixedly mounted on the oblique side wall of the triangular support 32, a No. 4 stepper motor 35 fixedly mounted on the inner wall of the top of the UAV cabin 1, and a driving gear 36 fixedly mounted on the output shaft of the No. 4 stepper motor 35;

[0055] Furthermore, the output shaft of the No. 4 stepper motor 35 passes through the top of the UAV cabin 1, the driving gear 36 is meshed with the gear plate 31, and a battery 37 is fixedly installed on the top inner wall of the UAV cabin 1. The battery 37 is electrically connected to the photovoltaic panel 34 through a charge and discharge controller, and the No. 4 stepper motor 35 and the photosensor 33 are both electrically connected to the controller 12;

[0056] When the photovoltaic power supply mechanism is working, the light intensity of the energy absorption area of ​​the photovoltaic panel 34 is automatically sensed by the photosensitive sensor 33. When the light intensity is insufficient, the signal will be automatically transmitted to the controller 12, and the controller 12 controls the No. 4 stepper motor 35 to work, and the No. 4 stepper motor 35 controls the driving gear 36 to rotate, and then the toothed disc 31 meshing with the driving gear 36 will drive the photovoltaic panel 34 on the triangular support 32 to automatically rotate to achieve the best energy absorption orientation, so that the photovoltaic panel 34 has the effect of automatically tracking solar energy, which can effectively improve the power generation efficiency of the photovoltaic panel 34;

[0057] In the specific implementation of this embodiment: under the original power supply of the battery 37, the photovoltaic panel 34 absorbs external solar energy and converts it into electrical energy to continuously charge the battery 37, thereby providing stable power, ensuring the long-term flight of the drone and expanding the inspection range.

[0058] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An airborne infrared thermal imaging device for unmanned aerial vehicle inspection, comprising an unmanned aerial vehicle cabin (1), characterized in that: The drone cabin (1) is connected to a lifting plate (2) via an electric retracting mechanism, and a multi-angle shooting mechanism is provided on the lifting plate (2); a photovoltaic power supply mechanism and an angle-adjustable transmitting mechanism are provided outside the drone cabin (1) in sequence, and a controller (12) and a wireless transmitter (13) are fixedly mounted on the front outer wall of the drone cabin (1) in sequence; The multi-angle shooting mechanism comprises a control component, a guide component, an azimuth adjustment shaft (3) rotatably mounted at the center of the lifting plate (2), a turntable (4) coaxially welded to the outer wall of the bottom end of the azimuth adjustment shaft (3), a camera support seat (5) hinged to the bottom of the turntable (4), an infrared thermal imaging camera (6) fixedly mounted on the outer wall of the bottom of the camera support seat (5), and a hydraulic rod (7) hinged between the turntable (4) and the camera support seat (5); The angle-adjustable launching mechanism comprises a fixed cover (23) fixedly connected to the front outer wall of the unmanned aerial vehicle cabin (1), an angle adjustment shaft (24) rotatably mounted in front of the fixed cover (23), a connecting plate (25) welded to the front outer wall of the angle adjustment shaft (24), a fire extinguishing bomb electric launcher (26) fixedly mounted on the front outer wall of the connecting plate (25), and a driving assembly arranged on the fixed cover (23).

2. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 1, characterized in that: The control assembly comprises a gear box (8) fixedly mounted on the top outer wall of the lifting plate (2), a first stepping motor (9) fixedly mounted on the side wall of the gear box (8), a driving bevel gear (10) fixedly mounted on the output shaft of the first stepping motor (9), and a driven bevel gear (11) fixedly mounted on the upper part of the azimuth adjustment shaft (3).

3. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 2, characterized in that: The output shaft of the No. 1 stepper motor (9) passes through one side of the gear box (8), and the driving bevel gear (10) and the driven bevel gear (11) are meshed with each other and are both located in the gear box (8).

4. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 1, characterized in that: The guide assembly comprises an annular guide groove (14) formed at the bottom of the lifting plate (2) and four guide columns (15) welded in sequence to the outer wall of the top of the turntable (4), and the outer walls of the four guide columns (15) are all slidably connected to the inner wall of the annular guide groove (14).

5. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 1, characterized in that: The electric telescopic mechanism comprises two slide grooves sequentially opened on both sides of the UAV cabin (1), two threaded vertical rods (16) sequentially rotatably installed in the two slide grooves, two lifting blocks (17) sequentially threadedly connected to the two threaded vertical rods (16), and a synchronous control component arranged on the top of the UAV cabin (1).

6. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 5, characterized in that: The outer walls of the two lifting blocks (17) are respectively slidably connected to the inner walls of the two sliding grooves, and the outer walls of the adjacent sides of the two lifting blocks (17) are sequentially welded to the outer walls of both sides of the lifting plate (2).

7. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 5, characterized in that: The synchronous control component comprises a mounting shell (18) fixedly connected to the top outer wall of the unmanned aerial vehicle cabin (1), a second stepping motor (19) fixedly mounted on the top middle outer wall of the mounting shell (18), a double-groove synchronous pulley (20) fixedly mounted on the output shaft of the second stepping motor (19), and two single-groove synchronous pulleys (21) fixedly mounted on the upper parts of two threaded vertical rods (16) in sequence, the output shaft of the second stepping motor (19) passes through the mounting shell (18), and the double-groove synchronous pulley (20) is sequentially connected to the two single-groove synchronous pulleys (21) through two synchronous belts (22).

8. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 1, characterized in that: The driving assembly comprises a No. 3 stepper motor (27) fixedly mounted on the side wall of the fixed cover (23), a worm (28) fixedly sleeved on the output shaft of the No. 3 stepper motor (27), and a worm wheel (29) fixedly sleeved on the angle adjustment shaft (24) and meshing with the worm (28), and the output shaft of the No. 3 stepper motor (27) passes through one side of the fixed cover (23).

9. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 1, characterized in that: The photovoltaic power supply mechanism comprises a transmission shaft (30) rotatably mounted on the top of the unmanned aerial vehicle cabin (1), a toothed disc (31) coaxially welded to the outer wall of the top end of the transmission shaft (30), a triangular support (32) fixedly mounted on the outer wall of the top of the toothed disc (31), a photosensitive sensor (33) fixedly mounted on the front outer wall of the triangular support (32), a photovoltaic panel (34) fixedly mounted on the oblique side wall of the triangular support (32), a No. 4 stepping motor (35) fixedly mounted on the inner wall of the top of the unmanned aerial vehicle cabin (1), and a driving gear (36) fixedly mounted on the output shaft of the No. 4 stepping motor (35).

10. The airborne infrared thermal imaging device for unmanned aerial vehicle inspection according to claim 9, characterized in that: The output shaft of the No. 4 stepper motor (35) passes through the top of the UAV cabin (1), the driving gear (36) is meshed with the gear wheel (31), and a storage battery (37) is fixedly installed on the top inner wall of the UAV cabin (1).

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