Low-altitude inspection equipment based on unmanned aerial vehicle and use method of low-altitude inspection equipment

Abstract

The invention discloses unmanned aerial vehicle-based low-altitude inspection equipment and a use method thereof, the unmanned aerial vehicle-based low-altitude inspection equipment comprises an inspection unit and a console, the inspection unit comprises a machine body, and the bottom of the machine body is fixedly connected with a machine base. The high-definition camera is used for shooting the inspection environment in real time, the angle of the high-definition camera can be adjusted through the adjusting assembly in the shooting process, so that the shooting range is enlarged, whether obstacles exist around the machine body or not can be monitored in real time through the laser radar, then later obstacle avoidance operation is facilitated, the safety during inspection is improved, and the inspection efficiency is improved. The quality of ambient air can be detected through the gas sensor, the ambient temperature can be detected in real time through the temperature and humidity sensor, multi-aspect inspection operation can be achieved, the direction of the machine body can be known in real time through the GPS, data can be analyzed through the central processing unit, and the data can be displayed through the touch display screen. Therefore, the personnel can know the condition and hidden danger of the inspection environment in real time, and the personnel can take preventive measures in advance.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles (UAVs), and in particular to low-altitude inspection equipment based on UAVs and a method for using the same. Background Art

[0002] UAV low-altitude inspection equipment is an efficient and flexible detection tool, widely used in infrastructure inspection, environmental monitoring and asset management. Compared with traditional manual inspection, UAV can cover a wider area in a shorter time, significantly improve inspection efficiency, and can perform inspection tasks in dangerous or hard-to-reach places, such as high-altitude power lines, cliff edges, etc., reducing the risk of personnel exposure to dangerous environments;

[0003] When drones are used for inspection, the drone drives the camera to fly according to the set route. During the flight, the camera will capture the surrounding environment in real time and transmit the captured images to the control console via a wireless network. The control console will collect and analyze the image data to identify whether there are potential problems and hidden dangers in the surrounding environment. However, when the drone inspection equipment in the prior art is used, it is difficult to understand the temperature and air quality of the surrounding environment because it only uses the camera to capture the surrounding environment, which reduces the inspection quality. At the same time, the drone is very likely to collide with trees in the environment or debris floating in the air during the low-altitude inspection, which may cause safety hazards to the drone, thereby reducing the inspection efficiency and safety. Summary of the invention

[0004] The purpose of the present invention is to provide a low-altitude inspection device based on a drone and a method of using the same, which has the advantages of being able to simultaneously perform environmental photography inspections, environmental temperature inspections and air quality inspections during the inspection process, and being able to avoid obstacles during the inspection. This solves the problem that the drone inspection equipment in the prior art, when in use, only uses a camera to shoot the surrounding environment, but it is difficult to understand the temperature and air quality of the surrounding environment, which reduces the inspection quality. At the same time, during the low-altitude inspection process, the drone is very likely to collide with trees in the environment or debris floating in the air, which may cause safety hazards to the drone, thereby reducing the inspection efficiency and safety.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a low-altitude inspection equipment based on an unmanned aerial vehicle, comprising an inspection unit and a control console, the inspection unit comprising a body, and the bottom of the body is fixedly connected to a base, laser radars are fixedly connected to the four sides of the surface of the base, a connecting plate is arranged at the bottom of the base, and an adjustment component is arranged at the bottom of the connecting plate, the adjustment component comprises a connecting box, a dual-axis motor, a winding wheel, a connecting belt and a through groove, and a high-definition camera is movably connected to the bottom of the connecting box through a rotating shaft, a placing seat is fixedly connected to the top of the body, and an electric push rod is fixedly connected to the bottom of the inner cavity of the placing seat, a sealing cover is fixedly connected to the output end of the electric push rod, a GPS is arranged on the top of the sealing cover, a gas sensor and a temperature and humidity sensor are respectively arranged on both sides of the bottom of the inner cavity of the placing seat, the control console comprises a protective shell, and a central processing unit is arranged in the inner cavity of the protective shell, a switch button and a joystick are respectively arranged on the top of the protective shell, and a touch display screen is fixedly connected to the back of the protective shell.

[0006] Preferably, the top of the connecting box is fixedly connected to the connecting plate, and the dual-axis motor is fixedly connected to the inner wall of the connecting box through a connecting block, the output shafts at both ends of the dual-axis motor are transmission-connected to the winding wheel, the connecting belt is sleeved on the surface of the winding wheel, and through grooves are opened on both sides of the connecting box, and the other end of the connecting belt passes through the inner cavity of the through groove and is fixedly connected to the high-definition camera.

[0007] Preferably, both sides of the bottom of the cover are fixedly connected to limiting rods, both sides of the top of the placement seat are provided with limiting holes, the bottom of the limiting rods extends to the inner cavity of the limiting hole and is movably connected to the inner cavity of the limiting hole, and the bottom of the cover is fixedly connected to a sealing gasket, and the bottom of the sealing gasket is in contact with the placement seat.

[0008] Preferably, bolts are movably connected around the bottom of the connecting plate, connecting tubes are fixedly connected around the bottom of the machine base, the tops of the bolts extend to the inner cavity of the connecting tube and are threadedly connected to the inner cavity of the connecting tube, and brackets are fixedly connected on both sides of the bottom of the machine base.

[0009] Preferably, the output ends of the laser radar, temperature and humidity sensor, gas sensor, GPS and high-definition camera are all connected to the input end of the control console, and the output end of the control console is respectively connected to the input end of the machine body, dual-axis motor and electric push rod, and the central processing unit also includes an alarm feedback module, a wireless communication module, a data analysis module and a data storage module.

[0010] Preferably, the method of use comprises the following steps:

[0011] A. First, by pressing the machine base, the machine base transmits a signal to the central processor, and the central processor transmits an operating instruction to the machine body and the electric push rod, so that the machine body and the electric push rod start to operate, and then the machine body will start to operate, and the output end of the electric push rod will drive the cover to move downward, so that the placement seat is opened, and at the same time, the gas sensor and the temperature and humidity sensor will be exposed to the outside, which is convenient for the later detection and inspection operations;

[0012] B. Then, the aircraft body will take real-time pictures of the surrounding environment that can be inspected by the high-definition camera during the navigation process. During the shooting process, the pictures taken by the high-definition camera will be transmitted to the control console in real time. The picture data can be analyzed by the data analysis module of the central processing unit to identify whether there is any abnormality. The central processing unit will transmit the picture to the touch screen for display, so as to facilitate personnel to monitor the shooting picture in real time. At the same time, the personnel can operate the touch screen, and the touch screen will transmit the signal to the central processing unit, and then the central processing unit will start the operation of the dual-axis motor, and drive the winding wheel to rotate through the output shaft of the dual-axis motor. While the winding wheel is rotating, the winding wheel on one side will drive the connecting belt to extend, and the winding wheel on the other side will drive the connecting belt to contract, and then drive the high-definition camera to move around the axis of the shaft through the connecting belt, so as to adjust the shooting angle of the high-definition camera and increase the scope of inspection;

[0013] C. Then, the laser radar emits rays and radar to monitor in real time whether there are obstacles around the aircraft, which is convenient for the subsequent obstacle avoidance operation. If there is an obstacle, the laser radar will transmit a signal to the central processor, and the alarm feedback module of the central processor will issue an alarm message to remind personnel to take preventive measures. Then, the personnel can change the navigation route of the aircraft by operating the joystick to achieve obstacle avoidance operation, thereby improving the safety during inspection;

[0014] D. The quality of the surrounding air can then be detected through the gas sensor, and the temperature and humidity sensor can detect the surrounding temperature in real time. The detection data of the gas sensor and the temperature and humidity sensor will be transmitted to the central processing unit, and the air data and the temperature and humidity data will be analyzed through the data analysis module of the central processing unit. When the harmful gas in the air is higher than the preset value, or the temperature and humidity are not in the preset value range, the alarm feedback module of the central processing unit will issue an alarm message to remind the inspection personnel of abnormal environment. At the same time, the GPS will provide the direction data to the central processing unit in real time. The central processing unit will transmit the detection data and location data to the touch screen for display, so that the personnel can view and take corresponding measures, thereby realizing multi-faceted inspection operations.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention uses a high-definition camera to patrol the surrounding environment during the navigation of the aircraft body, and the angle of the high-definition camera can be adjusted by adjusting the components during the shooting process to increase the shooting range. The laser radar can be used to monitor in real time whether there are obstacles around the aircraft body, which is convenient for later obstacle avoidance operations and improves safety during inspections. The output end of the electric push rod drives the cover to move upward to open the placement seat, and then the gas sensor can detect the quality of the surrounding air, and the temperature and humidity sensor can detect the temperature of the surrounding environment in real time, so as to realize multi-faceted inspection operations. The position of the aircraft body can be understood in real time through GPS, and the detection data can be transmitted to the central processing unit through the temperature and humidity sensor, gas sensor, laser radar and high-definition camera. The data can be analyzed by the central processing unit and displayed on the touch screen, so that personnel can understand the conditions and hidden dangers of the inspection environment in real time, which is convenient for personnel to take preventive measures in advance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the inspection unit of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the control console of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the placement seat and the cover in a separated state of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the base and the high-definition camera of the present invention in an upward-looking state;

[0021] Figure 5 This is a schematic diagram of the cross-sectional structure of the regulating assembly of the present invention;

[0022] Figure 6 It is a schematic diagram of the system principle of the present invention;

[0023] Figure 7 This is a schematic diagram of the structure of the control console of the present invention;

[0024] Figure 8 It is a schematic diagram of the structure of the central processing unit of the present invention.

[0025] In the figure: 1. Inspection unit; 11. Machine body; 12. Machine base; 12-1. Connecting tube; 12-2. Bracket; 13. Laser radar; 14. Connecting plate; 14-1. Bolt; 15. Adjustment assembly; 15-1. Connecting box; 15-2. Dual-axis motor; 15-3. Winding wheel; 15-4. Connecting belt; 15-5. Through slot; 16. High-definition camera; 17. Placement seat; 17-1. Limiting hole; 18. Electric push rod; 19. Cover; 19-1. Limiting rod; 19-2. Sealing pad; 110. GPS; 111. Gas sensor; 112. Temperature and humidity sensor; 2. Control panel; 21. Protective shell; 22. Switch button; 23. Control lever; 24. Touch screen; 25. Central processing unit. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0027] The inspection unit 1, the body 11, the base 12, the connecting tube 12-1, the bracket 12-2, the laser radar 13, the connecting plate 14, the bolt 14-1, the adjustment component 15, the connecting box 15-1, the dual-axis motor 15-2, the winding wheel 15-3, the connecting belt 15-4, the through groove 15-5, the high-definition camera 16, the placement seat 17, the limit hole 17-1, the electric push rod 18, the cover 19, the limit rod 19-1, the sealing gasket 19-2, the GPS 110, the gas sensor 111, the temperature and humidity sensor 112, the control console 2, the protective shell 21, the switch button 22, the control lever 23, the touch display screen 24 and the central processing unit 25 of the present invention are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0028] Example 1

[0029] like Figure 1-8As shown in the figure, it is the first embodiment of the present invention, which provides a low-altitude inspection device based on a drone, including an inspection unit 1 and a control console 2. The inspection unit 1 includes a body 11, and the bottom of the body 11 is fixedly connected to a base 12, and the four sides of the surface of the base 12 are fixedly connected to a laser radar 13. The bottom of the base 12 is provided with a connecting plate 14, and the bottom of the connecting plate 14 is provided with an adjustment component 15. The adjustment component 15 includes a connecting box 15-1, a dual-axis motor 15-2, a winding wheel 15-3, a connecting belt 15-4 and a through slot 15-5, and the bottom of the connecting box 15-1 is movably connected to the motor 15-2 through a rotating shaft. A high-definition camera 16 is connected, a placement seat 17 is fixedly connected to the top of the body 11, and an electric push rod 18 is fixedly connected to the bottom of the inner cavity of the placement seat 17, and a cover 19 is fixedly connected to the output end of the electric push rod 18, and a GPS 110 is arranged on the top of the cover 19, and a gas sensor 111 and a temperature and humidity sensor 112 are respectively arranged on both sides of the bottom of the inner cavity of the placement seat 17, the control console 2 includes a protective shell 21, and a central processing unit 25 is arranged in the inner cavity of the protective shell 21, a switch button 22 and a joystick 23 are respectively arranged on the top of the protective shell 21, and a touch display screen 24 is fixedly connected to the back of the protective shell 21.

[0030] like Figure 1-8 As shown, the switch button 22 can transmit a signal to the central processor 25, so that the central processor 25 transmits an operation instruction to the body 11, so that the body 11 can operate and navigate. During the navigation of the body 11, the high-definition camera 16 can be used to patrol and inspect the surrounding environment in real time. During the shooting process, the angle of the high-definition camera 16 can be adjusted by the adjustment component 15 to increase the shooting range. The laser radar 13 can be used to monitor in real time whether there are obstacles around the body 11, so as to facilitate the subsequent obstacle avoidance operation and improve the safety during the inspection. The output end of the electric push rod 18 drives the cover 19 to move upward so that the placement seat 17 is turned on, and then the gas sensor 111 can detect the quality of the surrounding air, and the temperature and humidity sensor 112 can detect the ambient temperature in real time, so as to realize various inspection operations. The position of the body 11 can be known in real time through the GPS 110, and the detection data can be transmitted to the central processing unit 25 through the temperature and humidity sensor 112, the gas sensor 111, the lidar 13 and the high-definition camera 16. The data can be analyzed by the central processing unit 25 and displayed through the touch screen 24, so that the personnel can understand the situation and hidden dangers of the inspection environment in real time, so that the personnel can take preventive measures in advance.

[0031] Example 2

[0032] Reference Figure 1 , 2 , 3 and 5 are the second embodiment of the present invention, which is based on the previous embodiment.

[0033] In this embodiment, the top of the connecting box 15-1 is fixedly connected to the connecting plate 14, and the dual-axis motor 15-2 is fixedly connected to the inner wall of the connecting box 15-1 through a connecting block, the output shafts at both ends of the dual-axis motor 15-2 are transmission-connected to the winding wheel 15-3, the connecting belt 15-4 is sleeved on the surface of the winding wheel 15-3, and through grooves 15-5 are opened on both sides of the connecting box 15-1. The other end of the connecting belt 15-4 passes through the inner cavity of the through groove 15-5 and is fixedly connected to the high-definition camera 16.

[0034] Both sides of the bottom of the cover 19 are fixedly connected to the limiting rods 19-1, and both sides of the top of the placement seat 17 are provided with limiting holes 17-1. The bottom of the limiting rod 19-1 extends to the inner cavity of the limiting hole 17-1 and is movably connected to the inner cavity of the limiting hole 17-1. The bottom of the cover 19 is fixedly connected to the sealing gasket 19-2, and the bottom of the sealing gasket 19-2 is in contact with the placement seat 17.

[0035] like Figure 1 , 2 As shown in Figures 3 and 5, the output shaft of the dual-axis motor 15-2 drives the winding wheel 15-3 to rotate. When the winding wheel 15-3 rotates, the winding wheel 15-3 on one side drives the connecting belt 15-4 to extend, and the winding wheel 15-3 on the other side drives the connecting belt 15-4 to contract, and then drives the high-definition camera 16 to move around the axis of the rotating shaft through the connecting belt 15-4, so as to adjust the shooting angle of the high-definition camera 16, and the gas sensor 111 and the temperature and humidity sensor 112 are used to adjust the shooting angle of the high-definition camera 16. When the sensor 112 is not in use, the electric push rod 18 can drive the cover 19 to move downward, and the cover 19 will drive the sealing gasket 19-2 and the limiting rod 19-1 to move downward, so that the sealing gasket 19-2 contacts the placement seat 17, and the limiting rod 19-1 will enter the inner cavity of the limiting hole 17-1. The placement seat 17 can ensure that the connection between the cover 19 and the placement seat 17 is closed, and the limiting rod 19-1 and the limiting hole 17-1 can limit the connection between the placement seat 17 and the cover 19.

[0036] Example 3

[0037] Reference Figure 4 , 6 , 7 and 8 are the third embodiment of the present invention, which is based on the first two embodiments.

[0038] In this embodiment, bolts 14-1 are movably connected around the bottom of the connecting plate 14, and connecting tubes 12-1 are fixedly connected around the bottom of the base 12. The top of the bolts 14-1 extends to the inner cavity of the connecting tube 12-1 and is threadedly connected to the inner cavity of the connecting tube 12-1. Brackets 12-2 are fixedly connected on both sides of the bottom of the base 12.

[0039] The output ends of the laser radar 13, the temperature and humidity sensor 112, the gas sensor 111, the GPS 110 and the high-definition camera 16 are all connected to the input end of the control console 2, and the output end of the control console 2 is respectively connected to the input end of the body 11, the dual-axis motor 15-2 and the electric push rod 18. The central processing unit 25 also includes an alarm feedback module, a wireless communication module, a data analysis module and a data storage module.

[0040] like Figure 4 , 6 As shown in , 7 and 8, by rotating the bolt 14-1 forward, the bolt 14-1 rotates in the inner cavity of the connecting tube 12-1, and the bolt 14-1 will gradually disengage from the inner cavity of the connecting tube 12-1 while rotating, thereby releasing the connection between the connecting plate 14 and the base 12. Conversely, by rotating the bolt 14-1 reversely, the bolt 14-1 will gradually extend to the inner cavity of the connecting tube 12-1 while rotating, thereby achieving the connection and fixation between the base 12 and the connecting plate 14. The bracket 12-2 can stably support the body 11 and the base 12 to ensure their stability when not in use. The alarm feedback module can issue an alarm message when the data is abnormal, so as to remind personnel to take preventive measures. The wireless communication module can facilitate the sending and receiving of data and instructions. The data analysis module can facilitate the analysis and processing of the received data. The data storage module can store the received data.

[0041] A method for using a low-altitude inspection device based on an unmanned aerial vehicle, the method comprising the following steps:

[0042] A. First, by pressing the base 12, the base 12 transmits a signal to the central processor 25, and the central processor 25 transmits an operation instruction to the body 11 and the electric push rod 18, so that the body 11 and the electric push rod 18 start to operate, and then the body 11 starts to operate, and the output end of the electric push rod 18 drives the cover 19 to move downward, so that the placement seat 17 is opened, and at the same time, the gas sensor 111 and the temperature and humidity sensor 112 are exposed to the outside, which is convenient for the subsequent detection and inspection operations;

[0043] B. Then, the aircraft body 11 takes real-time pictures of the surrounding environment that can be inspected by the high-definition camera 16 during the navigation process. During the shooting process, the shooting pictures of the high-definition camera 16 will be transmitted to the control console 2 in real time. The picture data can be analyzed by the data analysis module of the central processing unit 25 to identify whether there is any abnormality. The central processing unit 25 will transmit the picture to the touch screen 24 for display, so as to facilitate the personnel to monitor the shooting pictures in real time. At the same time, the personnel can operate the touch screen 24, and the touch screen 24 will transmit a signal to the central processing unit 25, and then the central processing unit 25 will start the operation of the double-axis motor 15-2, and drive the winding wheel 15-3 to rotate through the output shaft of the double-axis motor 15-2. When the winding wheel 15-3 rotates, the winding wheel 15-3 on one side will drive the connecting belt 15-4 to extend, and the winding wheel 15-3 on the other side will drive the connecting belt 15-4 to contract, and then the high-definition camera 16 is driven to move around the axis of the shaft through the connecting belt 15-4, so as to adjust the shooting angle of the high-definition camera 16 and increase the scope of inspection;

[0044] C. Then, the laser radar 13 emits rays and radar to monitor in real time whether there are obstacles around the body 11, so as to facilitate the subsequent obstacle avoidance operation. If there is an obstacle, the laser radar 13 will transmit a signal to the central processor 25, and the alarm feedback module of the central processor 25 will issue an alarm message to remind personnel to take preventive measures. Then, the personnel can change the navigation route of the body 11 by operating the joystick 23 to achieve obstacle avoidance operation, thereby improving the safety during inspection;

[0045] D. The quality of the surrounding air can then be detected through the gas sensor 111, and the temperature and humidity sensor 112 can detect the surrounding temperature in real time. The detection data of the gas sensor 111 and the temperature and humidity sensor 112 will be transmitted to the central processing unit 25, and the air data and the temperature and humidity data will be analyzed by the data analysis module of the central processing unit 25. When the harmful gas in the air is higher than the preset value, or the temperature and humidity are not in the preset value range, the alarm feedback module of the central processing unit 25 will issue an alarm message to remind the inspection personnel that the environment is abnormal. At the same time, GPS110 will provide direction data to the central processing unit 25 in real time. The central processing unit 25 will transmit the detection data and location data to the touch display screen 24 for display, so that personnel can view and take corresponding measures, thereby realizing multi-faceted inspection operations.

[0046] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-altitude inspection device based on an unmanned aerial vehicle, comprising an inspection unit (1) and a control console (2), characterized in that: The inspection unit (1) comprises a body (11), and the bottom of the body (11) is fixedly connected to a base (12), and the four sides of the surface of the base (12) are fixedly connected to laser radars (13), and the bottom of the base (12) is provided with a connecting plate (14), and the bottom of the connecting plate (14) is provided with an adjustment component (15), and the adjustment component (15) comprises a connecting box (15-1), a double-axis motor (15-2), a winding wheel (15-3), a connecting belt (15-4) and a through slot (15-5), and the bottom of the connecting box (15-1) is movably connected to a high-definition camera (16) via a rotating shaft, and the top of the body (11) is fixedly connected to a placement seat ( 17), and an electric push rod (18) is fixedly connected to the bottom of the inner cavity of the placement seat (17), the output end of the electric push rod (18) is fixedly connected to a cover (19), the top of the cover (19) is provided with a GPS (110), gas sensors (111) and temperature and humidity sensors (112) are respectively provided on both sides of the bottom of the inner cavity of the placement seat (17), the control console (2) comprises a protective shell (21), and a central processing unit (25) is provided in the inner cavity of the protective shell (21), a switch button (22) and a control rod (23) are respectively provided on the top of the protective shell (21), and a touch display screen (24) is fixedly connected to the back of the protective shell (21).

2. The low-altitude inspection equipment based on an unmanned aerial vehicle according to claim 1 is characterized in that: The top of the connection box (15-1) is fixedly connected to the connection plate (14), and the dual-axis motor (15-2) is fixedly connected to the inner wall of the connection box (15-1) via a connection block. The output shafts at both ends of the dual-axis motor (15-2) are both transmission-connected to the winding wheel (15-3). The connection belt (15-4) is sleeved on the surface of the winding wheel (15-3). Through grooves (15-5) are provided on both sides of the connection box (15-1). The other end of the connection belt (15-4) passes through the inner cavity of the through groove (15-5) and is fixedly connected to the high-definition camera (16).

3. The low-altitude inspection equipment based on an unmanned aerial vehicle according to claim 1 is characterized in that: Both sides of the bottom of the cover (19) are fixedly connected to limiting rods (19-1), both sides of the top of the placement seat (17) are provided with limiting holes (17-1), the bottom of the limiting rod (19-1) extends to the inner cavity of the limiting hole (17-1) and is movably connected to the inner cavity of the limiting hole (17-1), and the bottom of the cover (19) is fixedly connected to a sealing gasket (19-2), and the bottom of the sealing gasket (19-2) is in contact with the placement seat (17).

4. The low-altitude inspection equipment based on an unmanned aerial vehicle according to claim 1 is characterized in that: Bolts (14-1) are movably connected to the bottom of the connecting plate (14) on all sides, and connecting tubes (12-1) are fixedly connected to the bottom of the machine base (12) on all sides. The tops of the bolts (14-1) extend to the inner cavity of the connecting tube (12-1) and are threadedly connected to the inner cavity of the connecting tube (12-1). Brackets (12-2) are fixedly connected to both sides of the bottom of the machine base (12).

5. The low-altitude inspection equipment based on an unmanned aerial vehicle according to claim 1 is characterized in that: The output ends of the laser radar (13), the temperature and humidity sensor (112), the gas sensor (111), the GPS (110) and the high-definition camera (16) are all connected to the input end of the control console (2), and the output end of the control console (2) is respectively connected to the input end of the machine body (11), the dual-axis motor (15-2) and the electric push rod (18). The central processor (25) also includes an alarm feedback module, a wireless communication module, a data analysis module and a data storage module.

6. A method for using a low-altitude inspection device based on an unmanned aerial vehicle according to any one of claims 1 to 5, characterized in that: The method of use includes the following steps: A. First, by pressing the base (12), the base (12) transmits a signal to the central processor (25), and the central processor (25) transmits an operation instruction to the body (11) and the electric push rod (18), so that the body (11) and the electric push rod (18) start to operate, and then the body (11) starts to operate, and the output end of the electric push rod (18) drives the cover (19) to move downward, so that the placement seat (17) is opened, and at the same time, the gas sensor (111) and the temperature and humidity sensor (112) are exposed to the outside, which is convenient for the subsequent detection and inspection operation; B. Then, the aircraft body (11) can take real-time pictures of the surrounding environment through the high-definition camera (16) during the navigation process. During the shooting process, the pictures taken by the high-definition camera (16) will be transmitted to the control console (2) in real time. The picture data can be analyzed by the data analysis module of the central processing unit (25) to identify whether there is any abnormality. The central processing unit (25) will transmit the pictures to the touch screen (24) for display, so as to facilitate personnel to monitor the pictures in real time. At the same time, the personnel can operate the touch screen (24), and the touch screen (24) will transmit signals to the central processing unit (25). The processor (25) and the central processor (25) start the operation of the dual-axis motor (15-2), and the output shaft of the dual-axis motor (15-2) drives the reel (15-3) to rotate. When the reel (15-3) rotates, the reel (15-3) on one side drives the connecting belt (15-4) to extend, and the reel (15-3) on the other side drives the connecting belt (15-4) to contract, and then drives the high-definition camera (16) to move around the axis of the rotating shaft through the connecting belt (15-4), thereby realizing the adjustment of the shooting angle of the high-definition camera (16), thereby increasing the inspection range; C. Then, the laser radar (13) emits rays and radar to monitor in real time whether there are obstacles around the body (11), so as to facilitate the subsequent obstacle avoidance operation. If there is an obstacle, the laser radar (13) will transmit a signal to the central processor (25), and the alarm feedback module of the central processor (25) will issue an alarm message to remind personnel to take preventive measures. Then, the personnel can change the navigation route of the body (11) by operating the joystick (23) to achieve obstacle avoidance operation, thereby improving the safety during inspection; D. The quality of the surrounding air can then be detected by the gas sensor (111), and the temperature and humidity sensor (112) can detect the ambient temperature in real time. The detection data of the gas sensor (111) and the temperature and humidity sensor (112) will be transmitted to the central processing unit (25). The air data and the temperature and humidity data will be analyzed by the data analysis module of the central processing unit (25). When the harmful gas in the air is higher than the preset value, or the temperature and humidity are not within the preset value range, the alarm feedback module of the central processing unit (25) will issue an alarm message to remind the personnel to inspect the abnormal environment. At the same time, the GPS (110) will provide the direction data to the central processing unit (25) in real time. The central processing unit (25) will transmit the detection data and the location data to the touch screen (24) for display, so that the personnel can view and take corresponding measures. In this way, multi-faceted inspection operations can be realized.

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