Inspection aircraft for large-scale photovoltaic power station
By designing inspection aircraft for large-scale photovoltaic power stations, equipped with multi-spectral imaging cameras and autonomous navigation systems, the problems of inefficiency and safety risks of traditional inspection methods are solved, and efficient and safe photovoltaic panel fault detection and inspection tasks are achieved.
Patent Information
- Application Number
- CN202422634795.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Traditional photovoltaic power station inspection methods are inefficient, costly and have safety risks, making it difficult to meet the growing demand for photovoltaic power station scale and quality monitoring.
Design a patrol aircraft for large-scale photovoltaic power stations, equipped with multi-spectral imaging cameras, solar charging components, autonomous navigation systems, lidars and ultrasonic sensors, etc., to achieve efficient and safe patrol tasks.
It improves the accuracy and reliability of fault detection, reduces dependence on external charging equipment, ensures the aircraft's endurance in photovoltaic power stations and the continuity of patrol work, provides high-precision autonomous navigation and real-time data transmission, reduces collision risks, and improves patrol efficiency and safety.
Smart Images

Figure CN223200305U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of inspection aircraft, in particular to an inspection aircraft for large-scale photovoltaic power stations. Background Art
[0002] In the context of the global promotion of sustainable energy development, photovoltaic power generation, as a clean and renewable energy form, is rapidly emerging and occupying an important position. Large-scale photovoltaic power stations are springing up everywhere.
[0003] However, traditional photovoltaic power stations have the following disadvantages:
[0004] Traditional inspection methods for photovoltaic power stations are inefficient, costly, and pose certain safety risks, making it difficult to meet the growing scale and quality monitoring needs of photovoltaic power stations. Utility Model Content
[0005] The purpose of the present utility model is to provide an inspection aircraft for large-scale photovoltaic power stations, so as to solve the problem that the traditional photovoltaic power station inspection method proposed in the above background technology is inefficient, costly and has certain safety risks, and is difficult to meet the growing scale and quality monitoring needs of photovoltaic power stations.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inspection aircraft for large-scale photovoltaic power stations, comprising an inspection host, support components are fixedly installed at the bottom ends of both sides of the inspection host, a multispectral imaging camera is fixedly installed at the bottom end of the inspection host, four inspection components arranged in a rectangular shape are fixedly installed on the side of the inspection host, a solar charging component is fixedly installed on the top end of the inspection host, and the solar charging component includes four support rods and a dustproof plate, the top ends of the four support rods are fixedly connected to the four corners of the bottom end of the dustproof plate, the top end of the dustproof plate is fixedly installed with a solar panel, and the multispectral imaging camera can simultaneously acquire visible light, near infrared and Image information in multiple bands such as thermal infrared can accurately detect various defects and faults on the surface of photovoltaic panels, such as cracks, breakage, hot spots, dirt accumulation, etc., through analysis and comparison of images in different spectral bands. Thermal infrared imaging technology is particularly critical. It can quickly identify areas with hot spot problems based on abnormal changes in the surface temperature of photovoltaic panels. Hot spots are one of the common faults of photovoltaic panels. If not discovered and handled in time, they may cause damage to photovoltaic panels or even cause fires, seriously affecting the safety and power generation efficiency of power stations. The application of multispectral imaging technology enables inspection aircraft to conduct comprehensive and accurate "physical examinations" of photovoltaic panels at high altitudes, greatly improving the accuracy and reliability of fault detection.
[0007] Preferably, the two supporting assemblies each include a length plate and a height plate, one end of the length plate is slidably connected to an extension plate, one side of the extension plate is fixedly connected to the top of one side of the height plate, the bottom end of the height plate is fixedly installed with a support platform, and the bottom end of the support platform is fixedly installed with a number of ground piles, and the ends of the two length plates away from the extension plates are fixedly connected to the inspection host, and the user slides the extension plate along the length plate to adjust the supporting position of the support platform.
[0008] Preferably, the four inspection components each include an inspection rod and an inspection platform, one end of the inspection rod is fixedly connected to one end of the inspection platform, a micro motor is fixedly installed inside the inspection platform, and a flying paddle is fixedly installed at the output end of the micro motor, and one end of the four inspection rods is fixedly connected to the inspection host, the micro motor starts after being energized, the micro motor drives the flying paddle to rotate, and the aircraft flies.
[0009] Preferably, a connecting seat is fixedly installed on both sides of the bottom end of the dustproof plate, and the middle parts of the four support rods are slidably connected to the positioning shell, and the four magnetic rods magnetically connected to the support rod are fixedly installed on both sides of the inner wall of the four positioning shells, and the two sides of the two connecting seats are rotatably connected to the reinforcement rods, and the ends of the four reinforcement rods away from the connecting seat are respectively rotatably connected to the four sides opposite to the positioning shells, and the bottom ends of the four support rods are fixedly connected to the inspection host. The user slides the positioning shell along the support rod, and the positioning shell drives the reinforcement rod to deflect at an angle relative to the connecting seat. The reinforcement rod and the support rod cooperate with each other to form a stable triangle, thereby improving the stability of the solar charging component support. When the aircraft stays in the photovoltaic power station or performs inspection tasks, the solar panel can convert solar energy into electrical energy to charge the battery of the aircraft. This energy replenishment method is not only environmentally friendly and energy-saving, but also enables the aircraft to realize autonomous charging in the photovoltaic power station, prolongs the flight time, reduces dependence on external charging equipment, and improves the continuity and efficiency of the inspection work.
[0010] Preferably, an autonomous navigator is fixedly installed on one side of the top of the inspection host, a two-way communication link is fixedly installed in the middle of the top of the inspection host, and a wireless data transmitter is fixedly installed on the other side of the top of the inspection host. The autonomous navigator is based on the integration of the global satellite positioning system, the inertial navigation system and the visual navigation technology. The inspection aircraft realizes high-precision autonomous navigation. On the preset inspection path, the aircraft can automatically plan the optimal flight route, avoid obstacles, and accurately reach each inspection point. At the same time, by obtaining its own position, speed and attitude information in real time, the flight trajectory is dynamically adjusted and optimized to ensure the safety and stability of the flight; even when the GPS signal is interfered with, the inertial navigation system and the visual navigation technology can ensure that the aircraft continues to work normally, realize seamless navigation switching, and greatly improve the reliability and autonomy of the inspection work. The two-way communication link aircraft can The collected image data and test results are transmitted back to the ground control station in real time, which is convenient for operators to conduct timely data analysis and processing. The realization of remote control and real-time monitoring functions makes the inspection work more flexible and convenient. Operators can fully control the entire inspection process remotely. With the installation of wireless data transmitters, the inspection aircraft adopts advanced wireless data transmission technology. Through high-speed and stable wireless networks, the aircraft can transmit a large amount of collected image data back to the ground control station in real time. At the same time, in order to ensure the security and reliability of data transmission, encryption technology and data verification mechanism are adopted to encrypt and verify the integrity of the transmitted data to prevent the data from being stolen or lost during transmission. The application of wireless data transmission technology enables operators to obtain inspection data at the first time, analyze and process it in time, and provide timely and accurate decision-making basis for the operation and maintenance management of photovoltaic power stations.
[0011] Preferably, a charging slot is provided at the bottom end of the front face of the inspection host, a battery is fixedly installed inside the charging slot, and a sealing door is hinged on one side of the charging slot.
[0012] Preferably, a laser radar is fixedly installed on the top of the front of the inspection host, and ultrasonic sensors are fixedly installed in the middle of both sides of the inspection host. The laser radar and ultrasonic sensors monitor and scan the environment around the aircraft in real time. When an obstacle is detected in front, the system can respond quickly, automatically calculate the optimal obstacle avoidance path, and control the aircraft to adjust the flight direction and altitude in time to bypass the obstacle. The application of the intelligent obstacle avoidance system effectively reduces the risk of collision between the aircraft and photovoltaic panels, brackets and other facilities during the inspection process, ensuring the safety of the equipment and the smooth progress of the inspection work.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The inspection aircraft adopts advanced aerodynamic design and has excellent flight stability and maneuverability. Its lightweight fuselage structure is made of high-strength, corrosion-resistant new composite materials, which not only effectively reduces its own weight and improves its load capacity, but also can adapt to various complex outdoor environments. It is equipped with a high-performance power system, providing strong thrust and long-lasting endurance, ensuring that the aircraft can fly quickly and efficiently in the vast area of the photovoltaic power station, greatly shortening the inspection time and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a side view of the utility model;
[0016] Figure 2 This is a side view of the solar charging assembly of the present invention;
[0017] Figure 3 It is a side view of the support assembly of the utility model;
[0018] Figure 4 It is a cross-sectional view of the inspection component of the present invention.
[0019] In the figure: 1. Inspection host; 2. Inspection component; 21. Inspection pole; 22. Inspection platform; 23. Micro motor; 24. Flying paddle; 3. Ultrasonic sensor; 4. Sealed door; 5. Support component; 51. Length plate; 52. Extension plate; 53. Height plate; 54. Support platform; 55. Ground pile; 6. Multispectral imaging camera; 7. Battery; 8. Charging slot; 9. LiDAR; 10. Solar charging component; 101. Support pole; 102. Magnetic pole; 103. Positioning shell; 104. Reinforcement pole; 105. Connecting seat; 106. Dustproof plate; 107. Solar panel; 11. Wireless data transmitter; 12. Two-way communication link; 13. Autonomous navigator. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0021] See also Figure 1-4The utility model provides an inspection aircraft for large-scale photovoltaic power stations, including an inspection host 1, the bottom ends of both sides of the inspection host 1 are fixedly installed with support components 5, the bottom end of the inspection host 1 is fixedly installed with a multi-spectral imaging camera 6, the side of the inspection host 1 is fixedly installed with four inspection components 2 arranged in a rectangular shape, and the top of the inspection host 1 is fixedly installed with a solar charging component 10. The solar charging component 10 includes four support rods 101 and a dustproof plate 106. The top ends of the four support rods 101 are fixedly connected to the four corners of the bottom end of the dustproof plate 106 respectively. The top of the dustproof plate 106 is fixedly installed with a solar panel 107. The multi-spectral imaging camera 6 can simultaneously obtain visible light and near-infrared light. By analyzing and comparing images in different spectral bands, the image information of multiple bands such as external and thermal infrared can be used to accurately detect various defects and faults on the surface of photovoltaic panels, such as cracks, breakage, hot spots, dirt accumulation, etc. Thermal infrared imaging technology is particularly critical. It can quickly identify areas with hot spot problems based on abnormal changes in the surface temperature of photovoltaic panels. Hot spots are one of the common faults of photovoltaic panels. If not discovered and handled in time, they may cause damage to photovoltaic panels or even cause fires, seriously affecting the safety and power generation efficiency of power stations. The application of multispectral imaging technology enables inspection aircraft to conduct comprehensive and accurate "physical examinations" of photovoltaic panels at high altitudes, greatly improving the accuracy and reliability of fault detection.
[0022] The two supporting components 5 each include a length plate 51 and a height plate 53. One end of the length plate 51 is slidably connected to an extension plate 52. One side of the extension plate 52 is fixedly connected to the top of one side of the height plate 53. The bottom end of the height plate 53 is fixedly installed with a support platform 54. The bottom end of the support platform 54 is fixedly installed with a number of ground piles 55. The ends of the two length plates 51 away from the extension plate 52 are fixedly connected to the inspection host 1. The user slides the extension plate 52 along the length plate 51 to adjust the supporting position of the support platform 54.
[0023] The four inspection components 2 each include an inspection rod 21 and an inspection platform 22. One end of the inspection rod 21 is fixedly connected to one end of the inspection platform 22. A micro motor 23 is fixedly installed inside the inspection platform 22. A flying paddle 24 is fixedly installed at the output end of the micro motor 23. One end of the four inspection rods 21 is fixedly connected to the inspection host 1. The micro motor 23 starts after being energized, and the micro motor 23 drives the flying paddle 24 to rotate, and the aircraft flies.
[0024] The two sides of the bottom end of the dustproof plate 106 are fixedly installed with a connecting seat 105, the middle parts of the four support rods 101 are slidably connected to the positioning shell 103, and the two sides of the inner wall of the four positioning shells 103 are fixedly installed with magnetic rods 102 magnetically connected to the support rods 101. The two sides of the two connecting seats 105 are rotatably connected with the reinforcement rods 104. The ends of the four reinforcement rods 104 away from the connecting seat 105 are respectively rotatably connected to the sides opposite to the four positioning shells 103. The bottom ends of the four support rods 101 are fixedly connected to the inspection host 1. The user slides the positioning shell 103 along the support rod 101. The positioning shell 103 The reinforcement rod 104 is driven to deflect at an angle relative to the connecting seat 105. The reinforcement rod 104 and the support rod 101 cooperate with each other to form a stable triangle, thereby improving the stability of the support of the solar charging component 10. When the aircraft stays in the photovoltaic power station or performs inspection tasks, the solar panel 107 can convert solar energy into electrical energy to charge the battery of the aircraft. This energy replenishment method is not only environmentally friendly and energy-saving, but also enables the aircraft to realize autonomous charging in the photovoltaic power station, extending the flight time, reducing dependence on external charging equipment, and improving the continuity and efficiency of inspection work.
[0025] An autonomous navigator 13 is fixedly installed on one side of the top of the inspection host 1, a two-way communication linker 12 is fixedly installed in the middle of the top of the inspection host 1, and a wireless data transmitter 11 is fixedly installed on the other side of the top of the inspection host 1. The autonomous navigator 13 is based on the integration of the global satellite positioning system, the inertial navigation system and the visual navigation technology. The inspection aircraft has achieved high-precision autonomous navigation. On the preset inspection path, the aircraft can automatically plan the optimal flight route, avoid obstacles, and accurately reach each inspection point. At the same time, by obtaining its own position, speed and attitude information in real time, the flight trajectory is dynamically adjusted and optimized to ensure the safety and stability of the flight; even when the GPS signal is interfered with, the inertial navigation system and the visual navigation technology can ensure that the aircraft continues to work normally, realize seamless navigation switching, and greatly improve the reliability and autonomy of the inspection work. The two-way communication linker 12 aircraft can The collected image data and test results are transmitted back to the ground control station in real time, which is convenient for operators to conduct timely data analysis and processing. The realization of remote control and real-time monitoring functions makes the inspection work more flexible and convenient. Operators can fully control the entire inspection process remotely. With the installation of the wireless data transmitter 11, the inspection aircraft adopts advanced wireless data transmission technology. Through a high-speed and stable wireless network, the aircraft can transmit a large amount of collected image data back to the ground control station in real time. At the same time, in order to ensure the security and reliability of data transmission, encryption technology and data verification mechanism are adopted to encrypt and verify the integrity of the transmitted data to prevent the data from being stolen or lost during transmission. The application of wireless data transmission technology enables operators to obtain inspection data at the first time, analyze and process it in time, and provide timely and accurate decision-making basis for the operation and maintenance management of photovoltaic power stations.
[0026] A charging slot 8 is provided at the bottom end of the front face of the inspection host 1 , a battery 7 is fixedly installed inside the charging slot 8 , and a sealing door 4 is hinged on one side of the charging slot 8 .
[0027] A laser radar 9 is fixedly installed on the top of the front of the inspection host 1, and an ultrasonic sensor 3 is fixedly installed in the middle of both sides of the inspection host 1. The laser radar 9 and ultrasonic sensor 3 monitor and scan the environment around the aircraft in real time. When an obstacle is detected in front, the system can respond quickly, automatically calculate the optimal obstacle avoidance path, and control the aircraft to adjust the flight direction and altitude in time to bypass the obstacle. The application of the intelligent obstacle avoidance system effectively reduces the risk of collision between the aircraft and photovoltaic panels, brackets and other facilities during the inspection process, ensuring the safety of the equipment and the smooth progress of the inspection work.
[0028] When the embodiment of the present application is in use: before carrying out the inspection task, the operator formulates a detailed inspection task plan through the software system of the ground control station according to the layout and inspection requirements of the photovoltaic power station; including setting the inspection path, flight altitude, working parameters of the detection equipment, etc. At the same time, the inspection aircraft is comprehensively inspected and debugged to ensure that its various equipment and systems are in normal working condition, the battery is fully charged, and the solar charging function is normal. According to the preset task plan, the operator starts the inspection aircraft; after takeoff, the aircraft flies along the planned inspection path through the autonomous navigation system; during the flight, the multispectral imaging camera 6 and other detection equipment start working to take real-time photos and detect the photovoltaic panels below. At the same time, the aircraft transmits the collected image data and detection results back to the ground control station in real time through wireless data transmission technology; the operator can monitor the flight status and detection data of the aircraft in real time at the ground control station. If necessary, the flight mission can be adjusted or new instructions can be issued. When the inspection aircraft completes an inspection task, the ground control station will receive a large amount of Image data and test results are transmitted to the backend data processing center, which rapidly processes and analyzes this data using specialized image processing software and data analysis algorithms. By comparing image information from different spectral bands, the center identifies various defects and faults on the panel surface, classifies them, and labels them. A detailed inspection report is generated based on the severity and location of the fault, including the fault type, number, location distribution, and recommended treatment measures. Based on the information in the inspection report, maintenance personnel promptly arrange for the PV panel fault to be addressed. Simple faults, such as cleaning surface dirt, can be addressed on-site. More serious faults, such as panel damage and hot spots, require professional maintenance personnel to replace or repair them. After the fault is addressed, maintenance personnel feedback the results to the data processing center and update the inspection database to track and evaluate the panel's operating status. Based on the results of this inspection and the problems found, the next inspection task plan is optimized and adjusted to continuously improve the quality and efficiency of the inspection work.
[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A large-scale photovoltaic power station inspection aircraft, comprising an inspection host (1), characterized in that: Support assemblies (5) are fixedly mounted on the bottom ends of both sides of the inspection host (1), a multispectral imaging camera (6) is fixedly mounted on the bottom end of the inspection host (1), four inspection assemblies (2) arranged in a rectangular shape are fixedly mounted on the side of the inspection host (1), a solar charging assembly (10) is fixedly mounted on the top end of the inspection host (1), and the solar charging assembly (10) comprises four support rods (101) and a dustproof plate (106), the top ends of the four support rods (101) are fixedly connected to the four corners of the bottom end of the dustproof plate (106), and the top end of the dustproof plate (106) is fixedly mounted with a solar panel (107).
2. The inspection aircraft according to claim 1, characterized in that: The two support assemblies (5) each include a length plate (51) and a height plate (53), one end of the length plate (51) is slidably connected to an extension plate (52), one side of the extension plate (52) is fixedly connected to the top of one side of the height plate (53), a support platform (54) is fixedly installed at the bottom end of the height plate (53), and a plurality of ground piles (55) are fixedly installed at the bottom end of the support platform (54), and one end of the two length plates (51) away from the extension plate (52) is fixedly connected to the inspection host (1).
3. The inspection aircraft according to claim 1, characterized in that: The four inspection components (2) each include an inspection rod (21) and an inspection platform (22), one end of the inspection rod (21) is fixedly connected to one end of the inspection platform (22), a micro motor (23) is fixedly installed inside the inspection platform (22), a flying paddle (24) is fixedly installed at the output end of the micro motor (23), and one end of each of the four inspection rods (21) is fixedly connected to the inspection host (1).
4. The inspection aircraft according to claim 1, characterized in that: Connecting seats (105) are fixedly installed on both sides of the bottom end of the dustproof plate (106), the middle parts of the four support rods (101) are slidably connected to the positioning shell (103), and magnetic rods (102) magnetically connected to the support rods (101) are fixedly installed on both sides of the inner walls of the four positioning shells (103), and reinforcing rods (104) are rotatably connected on both sides of the two connecting seats (105), and one end of the four reinforcing rods (104) away from the connecting seat (105) is rotatably connected to the side opposite to the four positioning shells (103), and the bottom ends of the four support rods (101) are fixedly connected to the inspection host (1).
5. The inspection aircraft according to claim 1, characterized in that: An autonomous navigator (13) is fixedly mounted on one side of the top of the inspection host (1), a two-way communication linker (12) is fixedly mounted in the middle of the top of the inspection host (1), and a wireless data transmitter (11) is fixedly mounted on the other side of the top of the inspection host (1).
6. The inspection aircraft according to claim 1, characterized in that: A charging slot (8) is provided at the bottom end of the front face of the inspection host (1), a battery (7) is fixedly installed inside the charging slot (8), and a sealing door (4) is hinged on one side of the charging slot (8).
7. The inspection aircraft according to claim 1, characterized in that: A laser radar (9) is fixedly mounted on the top of the front face of the inspection host (1), and ultrasonic sensors (3) are fixedly mounted in the middle of both sides of the inspection host (1).