A solar power plant intelligent maintenance device based on drone

Abstract

The present invention relates to the technical field of solar power plant maintenance, and provides an intelligent maintenance device for solar power plants based on unmanned aerial vehicles, including a device body and at least one rotor. The rotor includes a support plate, one end of the support plate is fixedly connected to the device body, and the other end is fixedly provided with a drive box, a drive motor is arranged inside the drive box, and the output shaft of the drive motor passes through the drive box and is rotatably connected with a drive blade at the top, a mounting plate is fixedly connected to one side of the drive box, a fixed block is arranged inside the mounting plate, and a protective net is fixedly connected to the outside of the fixed block; a mounting cylinder is arranged at the bottom end of the device body, a mounting block is arranged below the mounting cylinder, and a camera is arranged inside the mounting block; a battery, a data processor, a controller, and a data transmitter are fixed inside the device body. The present invention can realize that the camera is always vertical during the flight of the maintenance device, the drive blades are protected, and the landing process is buffered, so as to realize intelligent, efficient, accurate, stable, and comprehensive maintenance of solar power plants.

Description

Technical Field

[0001] The present invention relates to the technical field of solar power plant maintenance, and in particular to an intelligent maintenance device for solar power plants based on unmanned aerial vehicles. Background Art

[0002] New energy solar power plants are the future development direction of power plants. However, due to the vastness of solar power plants, many inspection, maintenance and control problems are prone to occur, such as large sites, wide monitoring areas, and insufficient manpower. Therefore, drone cameras are usually used to check the quality of solar panels, but the existing drone inspection equipment for solar power plants still has the following problems:

[0003] (1) When a drone conducts mobile inspections of a solar power plant, the tilt of the drone will cause the camera to follow the tilt of the drone, resulting in poor inspection results and low maintenance efficiency.

[0004] (2) During the flight of a UAV, it is often impossible to protect the driving fan blades. In particular, when the UAV maintenance equipment is accidentally hit by foreign objects such as birds, it is easy for the UAV maintenance equipment to be damaged or even crash. This leads to poor operating stability of the UAV maintenance equipment, which is not conducive to improving the practicality of the UAV maintenance equipment. Summary of the invention

[0005] In view of the problems existing in the prior art, the present invention provides an intelligent maintenance device for solar power plants based on drones, which can ensure that the camera always remains in a vertical state during the flight of the maintenance device, the drive fan blades are protected, and the landing process is buffered, thereby realizing intelligent, efficient, precise, stable and comprehensive maintenance of solar power plants.

[0006] The technical solution of the present invention is:

[0007] A solar power plant intelligent maintenance device based on an unmanned aerial vehicle, characterized in that it comprises a device body (1) and at least one rotor, wherein the rotor comprises a support plate (2), one end of the support plate (2) is fixedly connected to the device body (1), and the other end is fixedly provided with a drive box (3), a drive motor is provided inside the drive box (3), an output shaft of the drive motor passes through the drive box (3) and is rotatably connected to a drive blade (4) above the drive box (3), a mounting plate (16) is fixedly connected to one side of the drive box (3), a fixing block (17) is provided inside the mounting plate (16), and a protective net (18) is fixedly connected to the outer side of the fixing block (17); the device body ( A mounting tube (9) is fixedly arranged at the bottom end of the mounting tube (9), a mounting block (14) is arranged below the mounting tube (9), and a camera (15) is arranged inside the mounting block (14); a mounting cavity is arranged inside the device body (1), and a storage battery (5), a data processor (6), a controller (7), and a data transmitter (8) are fixed inside the mounting cavity; the storage battery (5) is electrically connected to the data processor (6), the controller (7), and the data transmitter (8); the controller (7) is electrically connected to the data processor (6) and the drive motor; the camera (15) is electrically connected to the data processor (6); and the data processor (6) is electrically connected to the data transmitter (8).

[0008] Furthermore, the mounting plate (16) comprises a first vertical plate fixed to one side of the driving box (3), a first horizontal plate fixedly arranged on the side of the first vertical plate away from the driving box (3), a second vertical plate fixedly arranged on the bottom end of the first horizontal plate, a second horizontal plate fixedly arranged on the bottom end of the side of the second vertical plate away from the driving box (3), the fixed block (17) is slidably connected to the side of the second vertical plate away from the driving box (3), the top and bottom ends of the fixed block (17) are both welded with support springs (19), the support spring (19) at the top end of the fixed block (17) abuts against the bottom surface of the first horizontal plate at the top end, and the support spring (19) at the bottom end of the fixed block (17) abuts against the top surface of the second horizontal plate at the bottom end.

[0009] Furthermore, the protective net (18) is arc-shaped, the protective net (18) is vertically arranged, and one side of the protective net (18) in the bending direction is fixedly connected to a side of the fixing block (17) away from the mounting plate (16).

[0010] Furthermore, there are four rotors, which are symmetrically arranged in groups of two on both sides of the device body (1).

[0011] Furthermore, at least one limiting ring (10) is fixedly installed inside the installation tube (9), and a circle of balls (11) is rotatably connected inside the limiting ring (10). The limiting ring (10) is snap-connected with a fixing ball (12) on the inner side of the circle of balls (11), and the bottom of the fixing ball (12) is fixedly connected with a mounting rod (13), and the bottom end of the mounting rod (13) passes through the bottom of the installation tube (9) and is fixedly connected to the installation block (14).

[0012] Furthermore, there are two limit rings (10), and the two limit rings (10) are symmetrically arranged with respect to a horizontal cross section passing through the center of the fixed ball (12).

[0013] Furthermore, there are multiple cameras (15).

[0014] Furthermore, the camera (15) is rotatably connected to the mounting block (14).

[0015] Furthermore, the data transmitter (8) is wirelessly connected to the terminal device, and the controller (7) is wirelessly connected to the VR device.

[0016] Furthermore, the VR device is used to display the real-time environment of the solar power plant to the user and send a maintenance signal to the controller (7) according to the maintenance point set by the user. The controller (7) is used to control the drive motor to drive the corresponding drive fan blade (4) to rotate according to the maintenance signal, thereby driving the device body (1) to fly above the maintenance point set by the user. The camera (15) is used to shoot the solar panel at the maintenance point and transmit the acquired video to the data processor (6). The data processor (6) is used to perform fault detection on the video based on the image recognition algorithm and transmit the video and the fault detection result to the terminal device through the data transmission device (8).

[0017] The beneficial effects of the present invention are:

[0018] (1) The present invention arranges a limit ring in the installation tube below the device body, arranges a ball in the limit ring, and arranges a fixed ball inside the ball, so that the fixed ball can rotate in the limit ring, and the mounting block and the camera below the fixed ball can rotate with the fixed ball. In addition, the mounting block and the camera are rotatably connected, so that the camera can always remain in a vertical state when the device body is tilted during flight, which is convenient for the camera to stably shoot the solar panels below, thereby improving the maintenance effect and efficiency of the solar power plant.

[0019] (2) The present invention slides a fixed block in the mounting plate, welds support springs on the upper and lower sides of the fixed block, and fixes a protective net on the outside of the fixed block. When the maintenance device lands, the fixed block slides in the mounting plate and the support springs support the fixed block, so that the protective net can be raised and lowered to cushion the main body of the device, thereby improving the stability of the landing of the maintenance device. At the same time, the arc-shaped protective net can protect the driving fan blades, avoiding the driving fan blades from being damaged by foreign objects or even crashing the device, thereby improving the stability of the operation of the maintenance device.

[0020] (3) The present invention provides a battery, a controller, a data processor, and a data transmitter, and the controller is connected to the VR device, and the data transmitter is connected to the terminal device in the main control room. This enables maintenance personnel to immerse themselves in the environment of the solar power plant, freely and accurately control the maintenance equipment to fly to the required maintenance point, quickly photograph the solar panels at the maintenance point and perform intelligent fault identification, thereby improving maintenance efficiency, reducing the labor intensity of maintenance personnel, and realizing intelligent, efficient, accurate, stable, and comprehensive maintenance of the solar power plant. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the intelligent maintenance device for solar power plants based on drones of the present invention.

[0022] Figure 2 This is a schematic diagram of the structure of the solar power plant intelligent maintenance device based on a drone according to the present invention when viewed from above.

[0023] Figure 3 This is a schematic diagram of the internal structure of the device body in the solar power plant intelligent maintenance device based on a drone of the present invention.

[0024] Figure 4 The figure is a schematic diagram of the connection structure between the mounting plate and the protective net in the intelligent maintenance device for solar power plants based on drones of the present invention.

[0025] Figure 5 It is a schematic diagram of the connection structure between the mounting cylinder and the mounting block in the solar power plant intelligent maintenance device based on a drone of the present invention.

[0026] Figure 6 The figure is a schematic diagram of the working principle of the solar power plant intelligent maintenance device based on drone of the present invention.

[0027] In the figure, 1 is the device body, 2 is the support plate, 3 is the drive box, 4 is the drive blade, 5 is the battery, 6 is the data processor, 7 is the controller, 8 is the data transmitter, 9 is the installation tube, 10 is the limit ring, 11 is the ball, 12 is the fixed ball, 13 is the installation rod, 14 is the installation block, 15 is the camera, 16 is the installation plate, 17 is the fixed block, 18 is the protective net, and 19 is the support spring. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0029] The intelligent maintenance device for solar power plants based on drones of the present invention comprises a device body 1 and at least one rotor, wherein the rotor comprises a support plate 2, one end of the support plate 2 is fixedly connected to the device body 1, and the other end is fixedly provided with a drive box 3, a drive motor is provided inside the drive box 3, the output shaft of the drive motor passes through the drive box 3 and is rotatably connected with drive blades 4 above the drive box 3, a mounting plate 16 is fixedly connected to one side of the drive box 3, a fixing block 17 is provided inside the mounting plate 16, and a protective net 18 is fixedly connected to the outside of the fixing block 17. A mounting cylinder 9 is fixedly provided at the bottom end of the device body 1, a mounting block 14 is provided below the mounting cylinder 9, and a camera 15 is provided inside the mounting block 14. Figure 3 As shown, an installation cavity is provided inside the device body 1, and a battery 5, a data processor 6, a controller 7, and a data transmitter 8 are fixed inside the installation cavity. The battery 5 is electrically connected to the data processor 6, the controller 7, and the data transmitter 8. The controller 7 is electrically connected to the data processor 6 and the drive motor. The camera 15 is electrically connected to the data processor 6, and the data processor 6 is electrically connected to the data transmitter 8.

[0030] The present invention has at least one rotor. In this embodiment, Figure 1 , Figure 2 As shown, there are four rotors, and the rotors are symmetrically arranged in groups of two on both sides of the device body 1. At this time, the support plates 2 are symmetrically fixed in groups of two on both sides of the device body 1, so that the device of the present invention is equivalent to a four-rotor drone. The shape, size, number and position of the support legs are set at the bottom of the device body 1 according to the needs.

[0031] In this embodiment, Figure 4As shown, the mounting plate 16 includes a first vertical plate fixed to one side of the drive box 3, a first horizontal plate fixedly arranged on the side of the first vertical plate away from the drive box 3, a second vertical plate fixedly arranged on the bottom end of the first horizontal plate, a second horizontal plate fixedly arranged on the bottom end of the side of the second vertical plate away from the drive box 3, the fixed block 17 is slidably connected to the side of the second vertical plate away from the drive box 3, the top and bottom ends of the fixed block 17 are welded with support springs 19, the support spring 19 at the top end of the fixed block 17 abuts against the bottom surface of the first horizontal plate at the top end, and the support spring 19 at the bottom end of the fixed block 17 abuts against the top surface of the second horizontal plate at the bottom end. The protective net 18 is arc-shaped, the protective net 18 is vertically arranged, and one side of the bending direction of the protective net 18 is fixedly connected to the side of the fixed block 17 away from the mounting plate 16. The present invention slides a fixed block 17 in the mounting plate 16, welds support springs 19 on the upper and lower sides of the fixed block 17, and fixes a protective net 18 on the outer side of the fixed block 17. When the maintenance device lands, the sliding of the fixed block 17 in the mounting plate 16 and the support of the fixed block 17 by the support springs 19 can realize the up and down movement of the protective net 18 to buffer the device body 1, thereby improving the stability of the landing of the maintenance device. At the same time, the arc-shaped protective net 18 can protect the driving fan blades 4, thereby preventing the driving fan blades 4 from being damaged or even crashing due to collision with foreign objects, thereby improving the stability of the operation of the maintenance device.

[0032] In this embodiment, Figure 5 As shown, at least one limiting ring 10 is fixedly installed inside the installation tube 9, and a circle of balls 11 is rotatably connected inside the limiting ring 10. The limiting ring 10 is snap-connected with a fixed ball 12 on the inner side of the circle of balls 11. A mounting rod 13 is fixedly connected to the bottom of the fixed ball 12. The bottom end of the mounting rod 13 passes through the bottom of the installation tube 9 and is fixedly connected to the installation block 14. Preferably, there are two limiting rings 10, and the two limiting rings 10 are symmetrically arranged with respect to the horizontal cross section of the fixed ball 12 passing through the ball center; the camera 15 is rotatably connected to the installation block 14. The present invention arranges a limit ring 10 in the mounting tube 9 below the device body 1, arranges a ball 11 in the limit ring 10, and arranges a fixed ball 12 inside the ball 11, so that the fixed ball 12 can rotate in the limit ring 10, and the mounting block 14 and the camera 15 below the fixed ball 12 can rotate with the fixed ball 12. In addition, the mounting block 14 and the camera 15 are rotatably connected, so that the camera 15 can always maintain a vertical state when the device body 1 is tilted during flight, which is convenient for the camera 15 to stably shoot the solar panels below, thereby improving the maintenance effect and efficiency of the solar power plant.

[0033] The present invention can provide multiple cameras 15, the mounting block 14 is provided with a mounting groove in the middle of the bottom, and multiple mounting openings are evenly opened on the side walls of the mounting groove. Multiple cameras 15 are evenly arranged in the mounting groove and can rotate freely in the mounting groove toward the mounting openings, thereby realizing multi-angle and all-round camera shooting and improving maintenance efficiency.

[0034] In this embodiment, Figure 6 As shown, the data transmitter 8 is wirelessly connected to the terminal device, and the controller 7 is wirelessly connected to the VR device. The VR device is used to show the real-time environment of the solar power plant to the user and send a maintenance signal to the controller 7 according to the maintenance point set by the user. The controller 7 is used to control the drive motor to drive the corresponding drive blade 4 to rotate according to the maintenance signal, thereby driving the device body 1 to fly above the maintenance point set by the user. The camera 15 is used to shoot the solar panel at the maintenance point and transmit the acquired video to the data processor 6. The data processor 6 is used to perform fault detection on the video based on the image recognition algorithm and transmit the video and the fault detection result to the terminal device through the data transmitter 8. The present invention provides a battery 5, a controller 7, a data processor 6, and a data transmitter 8, and the controller 7 is connected to the VR device, and the data transmitter 8 is connected to the terminal device in the main control room. This enables maintenance personnel to immersively experience the environment of the solar power plant, freely and accurately control the maintenance device to fly to the required maintenance point, quickly photograph the solar panels at the maintenance point and intelligently identify faults, thereby improving maintenance efficiency, reducing the labor intensity of maintenance personnel, and realizing intelligent, efficient, accurate, stable, and comprehensive maintenance of the solar power plant.

[0035] Among them, the fault can be such as damage, foreign matter, etc. Users wearing VR equipment can observe in real time whether there are damages, foreign matter, etc. on the solar panel. When foreign matter such as plastic bags are found on the solar panel, the VR device can send a signal to the controller 7 to control the maintenance device to fly to the location of the foreign matter, and use the grabbing mechanism configured on the maintenance device to remove the foreign matter to complete a simple maintenance; the maintenance device can also be configured with corresponding maintenance tools and materials for the faults that often occur in the solar panel, and the controller controls the corresponding maintenance tools to replace personnel to complete the maintenance. Maintenance personnel can go to the site for maintenance according to the fault detection results intelligently identified by the device, or observe according to the video feedback from the data transmitter 8 to identify whether there is a fault. When a fault is found that requires manual on-site maintenance, the maintenance personnel will go to the location of the fault for maintenance.

[0036] Obviously, the above embodiments are only some embodiments of the present invention, rather than all embodiments. The above embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. Based on the above embodiments, all other embodiments obtained by those skilled in the art without making creative work, that is, all modifications, equivalent substitutions and improvements made within the spirit and principles of this application, fall within the protection scope required by the present invention.

Claims

1. An intelligent maintenance device for solar power plants based on drones, characterized in that: The invention comprises a device body (1) and at least one rotor, wherein the rotor comprises a support plate (2), one end of the support plate (2) is fixedly connected to the device body (1), and the other end is fixedly provided with a drive box (3), a drive motor is provided inside the drive box (3), an output shaft of the drive motor passes through the drive box (3) and is rotatably connected to a drive blade (4) above the drive box (3), a mounting plate (16) is fixedly connected to one side of the drive box (3), a fixing block (17) is provided inside the mounting plate (16), and a protective net (18) is fixedly connected to the outer side of the fixing block (17); a mounting tube (9) is fixedly provided at the bottom end of the device body (1), at least one limiting ring (10) is fixedly installed inside the mounting tube (9), a circle of balls (11) is rotatably connected inside the limiting ring (10), and the limiting ring (10) is fixedly provided with a protective net (18) on the outer side of the fixing block (17); ) A fixed ball (12) is snap-connected to the inner side of the circle of balls (11); a mounting rod (13) is fixedly connected to the bottom of the fixed ball (12); the bottom end of the mounting rod (13) passes through the bottom of the mounting tube (9) and is fixedly connected to the mounting block (14); a camera (15) is arranged inside the mounting block (14); a mounting cavity is arranged inside the device body (1); a storage battery (5), a data processor (6), a controller (7), and a data transmitter (8) are fixed inside the mounting cavity; the storage battery (5) is electrically connected to the data processor (6), the controller (7), and the data transmitter (8); the controller (7) is electrically connected to the data processor (6) and the drive motor; the camera (15) is electrically connected to the data processor (6); and the data processor (6) is electrically connected to the data transmitter (8); The mounting plate (16) comprises a first vertical plate fixed to one side of the driving box (3); a first horizontal plate is fixedly arranged on a side of the first vertical plate away from the driving box (3); a second vertical plate is fixedly arranged on the bottom end of the first horizontal plate; a second horizontal plate is fixedly arranged on the bottom end of the side of the second vertical plate away from the driving box (3); the fixing block (17) is slidably connected to the side of the second vertical plate away from the driving box (3); a supporting spring (19) is welded to the top and bottom ends of the fixing block (17); the supporting spring (19) at the top end of the fixing block (17) abuts against the bottom surface of the first horizontal plate at the top end, and the supporting spring (19) at the bottom end of the fixing block (17) abuts against the top surface of the second horizontal plate at the bottom end; The protective net (18) is arc-shaped, the protective net (18) is arranged vertically, and one side of the protective net (18) in the bending direction is fixedly connected to a side of the fixing block (17) away from the mounting plate (16).

2. The intelligent maintenance device for solar power plants based on drones according to claim 1 is characterized in that: There are four rotors, which are symmetrically arranged in groups of two on both sides of the device body (1).

3. The intelligent maintenance device for solar power plants based on drones according to claim 1 is characterized in that: There are two limit rings (10), and the two limit rings (10) are symmetrically arranged with respect to a horizontal cross section passing through the center of the fixed ball (12).

4. The intelligent maintenance device for solar power plants based on drones according to claim 1 is characterized in that: There are multiple cameras (15).

5. The solar power plant intelligent maintenance device based on drone according to claim 1 is characterized in that: The camera (15) is rotatably connected to the mounting block (14).

6. The intelligent maintenance device for solar power plants based on drones according to claim 1 is characterized in that: The data transmitter (8) is wirelessly connected to the terminal device, and the controller (7) is wirelessly connected to the VR device.

7. The intelligent maintenance device for solar power plants based on drones according to claim 6 is characterized in that: The VR device is used to display the real-time environment of the solar power plant to the user and send a maintenance signal to the controller (7) according to the maintenance point set by the user. The controller (7) is used to control the drive motor to drive the corresponding drive fan blade (4) to rotate according to the maintenance signal, thereby driving the device body (1) to fly above the maintenance point set by the user. The camera (15) is used to shoot the solar panel at the maintenance point and transmit the acquired video to the data processor (6). The data processor (6) is used to perform fault detection on the video based on an image recognition algorithm and transmit the video and the fault detection result to the terminal device through the data transmission device (8).

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