CN115409760A - System and method for detecting hot spots of photovoltaic solar panel based on unmanned aerial vehicle aerial photography technology - Google Patents
System and method for detecting hot spots of photovoltaic solar panel based on unmanned aerial vehicle aerial photography technology Download PDFInfo
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Abstract
The invention discloses a photovoltaic solar panel hot spot detection system and method based on an unmanned aerial vehicle aerial photography technology. The unmanned aerial vehicle comprises a system control module, an unmanned aerial vehicle automatic task module and a digital aerial camera module; the digital aerial camera module comprises an infrared camera and an aerial camera; the ground end comprises a video processing module which is connected with the digital aerial photography module. The method is characterized by comprising the following steps: planning a UAV flight path, setting a temperature threshold of an infrared camera, flying perpendicular to the photovoltaic solar panel, aerial-shooting by the infrared camera, downloading an infrared video to a ground-side video server in real time, and meanwhile judging whether the temperature of the photovoltaic solar panel is larger than or equal to a preset temperature value or not; if so, marking the latitude and longitude of the hot spot, the detection time and other information on the corresponding video image position. According to the invention, the hot spot of the photovoltaic solar panel can be repaired in time.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle application, visual identification/mode identification technology and hot spot detection, in particular to a photovoltaic solar panel hot spot detection system and method based on unmanned aerial vehicle aerial photography technology.
Background
The English abbreviation contained in the invention is as follows:
UAV: unmanned Aerial vehicle for Unmanned Aerial vehicle
IMU (Inertial measurement Unit) Inertial measurement unit
GPS: global Positioning System
UCS: UAV Control System unmanned aerial vehicle Control System
GCS: ground Control Station
And (4) DEM: digital Elevation Model
DOM: digital orthophotomap
DSM: digital Surface Model
When the photovoltaic solar panel is used for a long time, shelters such as bird and bird excrement, floating soil and fallen leaves are inevitable, and the shelters form shadows on the photovoltaic solar panel. Due to the existence of the local shadow, the current and the voltage of certain cells in the photovoltaic solar panel are changed. Therefore, the product of the local current and the voltage of the photovoltaic solar panel is increased, so that the local temperature of the photovoltaic solar panel is increased, and the phenomenon is called 'hot spot'. The generation of the hot spot phenomenon has certain damage to the photovoltaic solar panel, so that the photovoltaic solar panel generating the hot spot phenomenon needs to be found in time through inspection. At present, most of photovoltaic solar panels are manually inspected, the workload of manual inspection is large, and the inspection efficiency is low, so that hot spot detection of the photovoltaic solar panels cannot be timely and effectively carried out.
In order to solve the above problems, many improvements have been made in the prior art, for example, the invention application patent with the chinese patent application number of 201710046412.2 discloses a method and a system for detecting hot spots of a photovoltaic module, an image acquisition device arranged on an unmanned aerial vehicle acquires a plurality of images of the photovoltaic module in a region to be detected of a photovoltaic power station, wherein the images at least include infrared images; and the image processing device acquires the images, performs image splicing on the images to obtain a panoramic image of the area to be detected, and performs hot spot detection on the panoramic image to obtain a detection result. Gather photovoltaic module image of photovoltaic power plant through the image acquisition device on the unmanned aerial vehicle, utilize unmanned aerial vehicle to patrol and examine photovoltaic power plant promptly, then do benefit to image processing technique and handle photovoltaic module image to accomplish hot spot and detect. However, the invention patent needs to splice images and is likely to fail to detect in real time.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a system and a method for detecting hot spots of a photovoltaic solar panel based on an unmanned aerial vehicle aerial photography technology, so that the hot spot condition generated by the photovoltaic solar panel can be known in time and repaired in time.
The system comprises an unmanned aerial vehicle management system and a ground terminal.
The unmanned aerial vehicle management system is responsible for flight task assignment and logistics of the unmanned aerial vehicle and comprises the unmanned aerial vehicle.
The ground terminal comprises a video processing module, a control module and a communication module.
Furthermore, the unmanned aerial vehicle comprises a system control module, an unmanned aerial vehicle automatic task module, a digital aerial camera module and a communication module; and the system control module is respectively connected with the unmanned aerial vehicle automatic task module, the digital aerial camera module and the communication module.
Further, the system control module receives a control command and data sent by a ground terminal (such as a ground mobile terminal), and outputs a control command to the unmanned aerial vehicle executing mechanism after calculation processing.
Further, unmanned aerial vehicle automatic task module automatically generates various flight routes for unmanned aerial vehicle, and in addition, unmanned aerial vehicle can also be controlled by the manual work.
Furthermore, the digital aerial camera module comprises an infrared camera and an aerial camera.
Further, the communication module is responsible for the wireless communication between unmanned aerial vehicle and the ground end, for example, the real-time transmission of the video/picture of taking photo by plane of unmanned aerial vehicle is to the ground end to and the flight control instruction of ground end sends system control module etc. to unmanned aerial vehicle in real time.
Further, the video processing module receives the infrared video of the photovoltaic solar panel and other videos used as visual control sent by the digital aerial photography module in real time.
Furthermore, the control module is responsible for controlling the whole flight process of the unmanned aerial vehicle such as take-off, air flight, mission execution, return recovery and the like, and the module can be selectively deployed or not deployed according to actual conditions.
Further, the communication module is responsible for wireless communication between the ground end and the unmanned aerial vehicle, for example, the ground end receives the aerial video/picture of the unmanned aerial vehicle in real time, and sends a flight control command to a system control module of the unmanned aerial vehicle.
Furthermore, the infrared camera is responsible for aerial photography of the photovoltaic solar panel and downloading the infrared video to the ground end in real time; meanwhile, the temperature of the photovoltaic solar panel is detected.
Further, the aerial camera is responsible for visual control.
Furthermore, a mobile terminal or a computer is adopted, information such as the position of the hot spot on the photovoltaic solar panel and the detection time can be browsed through a video server, and related personnel are informed to repair the hot spot in time.
System and method based on unmanned aerial vehicle aerial photography technique photovoltaic solar panel hot spot detection, the method is characterized by including the following steps:
(1) Planning a UAV flight path;
(2) Setting a temperature threshold of the infrared camera;
(3) Flying perpendicular to the photovoltaic solar panel;
(4) The infrared camera takes aerial photographs and downloads the aerial photographs to the ground-end video server in real time, and meanwhile, whether the temperature of the photovoltaic solar panel is larger than or equal to a preset temperature value or not is judged
(5) If so, the infrared camera marks the latitude, longitude, detection time and other information of the hot spot on the corresponding image position.
The ground terminal, such as a mobile terminal and a computer, can access the video server through the wireless network, and timely inquire the position (expressed by longitude and latitude) of the hot shift of the photovoltaic solar panel and the detection time information so as to perform timely repair.
A photovoltaic solar panel hot spot detection system and method based on an unmanned aerial vehicle aerial photography technology comprises an unmanned aerial vehicle and a ground end. The unmanned aerial vehicle comprises a system control module, an unmanned aerial vehicle automatic task module and a digital aerial camera module; the digital aerial camera module comprises an infrared camera and an aerial camera; the ground end comprises a video processing module which is connected with the digital aerial photography module. The method, characterized by the steps of: planning a UAV flight path, setting a temperature threshold of an infrared camera, flying perpendicular to the photovoltaic solar panel, aerial-shooting by the infrared camera, downloading an infrared video to a ground-side video server in real time, and meanwhile judging whether the temperature of the photovoltaic solar panel is larger than or equal to a preset temperature value or not; if so, marking the latitude and longitude of the hot spot, the detection time and other information on the corresponding video image position. According to the invention, the hot spot of the photovoltaic solar panel can be repaired in time.
Drawings
Fig. 1 is a schematic diagram of a framework of a system and a method for detecting hot spots of a photovoltaic solar panel based on an unmanned aerial vehicle aerial photography technology according to the present invention.
Fig. 2 is a schematic functional diagram of modules of the system and method for detecting hot spots of a photovoltaic solar panel based on the unmanned aerial vehicle aerial photography technology.
Fig. 3 is a schematic flow chart of the system and method for detecting hot spots of a photovoltaic solar panel based on the unmanned aerial vehicle aerial photography technology.
Detailed Description
The invention is described in further detail below with reference to the figures and examples:
fig. 1 is a schematic diagram of a framework of a system and a method for detecting hot spots of a photovoltaic solar panel based on an unmanned aerial vehicle aerial photography technology according to the present invention. The system includes a drone management system 150 and a ground end 160.
The drone management system 150 is responsible for the flight mission assignment and logistics of the drone 170, including the drone 170.
The ground terminal 160 includes a video server 160.
Fig. 2 is a schematic functional diagram of modules of the system and method for detecting hot spots of a photovoltaic solar panel based on the unmanned aerial vehicle aerial photography technology.
The unmanned aerial vehicle 170 comprises a system control module 110, an unmanned aerial vehicle automatic task module 120, a digital aerial camera module 130 and a communication module 140; furthermore, the system control module 110 is interconnected with the drone automatic task module 120, the digital aerial photography module 130 and the communication module 140, respectively.
The ground end 160 includes a video processing module 210, a control module 208, and a communication module 140.
Further, the system control module 110 receives a control command and data sent by a ground terminal (e.g., a ground mobile terminal), and outputs a control command to the unmanned aerial vehicle actuator after calculation processing.
Further, the unmanned aerial vehicle automatic task module 120 automatically generates various flight routes for the unmanned aerial vehicle, and in addition, the unmanned aerial vehicle can also be manually controlled.
Further, the digital aerial camera module 130 (or the aerial camera 171) includes an infrared camera 175 and an aerial camera 180.
Further, the communication module 140 is responsible for wireless communication between the unmanned aerial vehicle and the ground end, for example, the unmanned aerial vehicle takes an aerial photograph of the infrared video/picture and transmits the real-time to the ground end, and the flight control instruction of the ground end transmits the real-time to the system control module of the unmanned aerial vehicle, and the like.
Further, the video processing module 210 receives the infrared video of the photovoltaic solar panel and other videos used as the visual control sent by the digital aerial photography module 130 in real time.
Further, the control module 208 is responsible for controlling the whole flight process of the unmanned aerial vehicle such as takeoff, air flight, task execution, return recovery and the like, and the module can be selectively deployed or undeployed according to actual conditions.
Further, the communication module 140 is responsible for wireless communication between the ground end 160 and the drone, for example, the ground end 160 receives the aerial infrared video/picture and other videos of the drone in real time, and sends a flight control command to the system control module of the drone.
Further, the infrared camera 175 is responsible for aerial photography of the photovoltaic solar panel and downloading an infrared video to the ground end in real time; meanwhile, the temperature of the photovoltaic solar panel is detected.
Further, the aerial camera 180 is responsible for visual control.
Furthermore, a mobile terminal or a computer is adopted, and the hot spot and other positions on the photovoltaic solar panel can be browsed through a video server, so that related personnel can be informed to repair the hot spot.
Fig. 3 is a schematic flow chart of the system and method for detecting hot spots of a photovoltaic solar panel based on the unmanned aerial vehicle aerial photography technology. The method is characterized by comprising the following steps:
(1) Planning UAV flight path 311
(2) Setting a temperature threshold 321 for an infrared camera
(3) Perpendicular to the photovoltaic solar panel flight 331
(4) The infrared camera takes aerial photographs and downloads to the ground video server in real time, and meanwhile, whether the temperature of the photovoltaic solar panel is larger than or equal to a preset temperature value 341 is judged
(5) If yes, the infrared camera marks information 351 such as latitude, longitude and detection time of the hot spot on the corresponding image position.
The ground terminal, such as a mobile terminal and a computer, can access the video server through the wireless network, and timely inquire the position (expressed by longitude and latitude) of the hot shift of the photovoltaic solar panel and the detection time information so as to repair in time and reduce loss.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are considered to be covered by the scope of the present invention.
Claims (16)
1. The invention provides a system and a method for detecting hot spots of a photovoltaic solar panel based on an unmanned aerial vehicle aerial photography technology.
2. The unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection system and method of claim 1, the unmanned aerial vehicle management system responsible for flight mission assignment and logistics of unmanned aerial vehicles, including unmanned aerial vehicles.
3. The unmanned aerial vehicle aerial photography technology-based photovoltaic solar panel hot spot detection system and method of claim 1, the ground end comprising a video processing module, a control module, and a communication module.
4. The system and method for unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection as claimed in claim 2, the unmanned aerial vehicle comprising a system control module, an unmanned aerial vehicle automatic task module, a digital aerial vehicle module and a communication module; and the system control module is respectively connected with the unmanned aerial vehicle automatic task module, the digital aerial camera module and the communication module.
5. The unmanned aerial vehicle aerial photography technology-based photovoltaic solar panel hot spot detection system and method of claim 1, the ground end comprising a video processing module, a control module, and a communication module.
6. The system and the method for detecting the hot spot of the photovoltaic solar panel based on the unmanned aerial vehicle aerial photography technology as claimed in claim 4, wherein the system control module receives the control command and the data sent by the ground terminal (such as a ground mobile terminal), and outputs the control command to the unmanned aerial vehicle actuator after calculation processing.
7. The UAV based aerial photography PV solar panel hotspot detection system and method of claim 4, wherein the UAV automatic mission module automatically generates various flight paths for the UAV, and further wherein the UAV may be manually operated.
8. The unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection system and method of claim 4, the digital aerial camera module comprising an infrared camera, an aerial camera.
9. The system and method for unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection as claimed in claim 4, wherein the communication module is responsible for wireless communication between the unmanned aerial vehicle and the ground end, for example, real-time transmission of aerial video/pictures of the unmanned aerial vehicle to the ground end, real-time transmission of flight control instructions of the ground end to a system control module of the unmanned aerial vehicle, and the like.
10. The unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection system and method as claimed in claim 3, wherein the video processing module receives in real time the infrared video of the photovoltaic solar panel and other video as visual control sent by the digital aerial photography module.
11. The system and the method for detecting the hot spot of the photovoltaic solar panel based on the unmanned aerial vehicle aerial photography technology as claimed in claim 3, wherein the control module is responsible for controlling the whole flight process of the unmanned aerial vehicle such as takeoff, air flight, task execution, return recovery and the like, and the module can be selectively deployed or undeployed according to actual conditions.
12. The system and method for unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection as claimed in claim 3, the communication module is responsible for wireless communication between the ground end and the unmanned aerial vehicle, for example, the ground end receives aerial video/pictures of the unmanned aerial vehicle in real time, and sends flight control instructions to the system control module of the unmanned aerial vehicle, and the like.
13. The unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection system and method of claim 8, the infrared camera responsible for aerial photography of the photovoltaic solar panel and downloading the infrared video to the ground end in real time; meanwhile, the temperature of the photovoltaic solar panel is detected.
14. The unmanned aerial vehicle aerial photography based photovoltaic solar panel hot spot detection system and method of claim 8, the aerial camera responsible for vision control.
15. The unmanned aerial vehicle aerial photography technology based photovoltaic solar panel hot spot detection system and method of claim 8, the method comprising the steps of:
(1) Planning UAV flight path
(2) Setting temperature threshold of infrared camera
(3) Perpendicular to the flight of photovoltaic solar panels
(4) The infrared camera takes aerial photographs and downloads the aerial photographs to the ground-end video server in real time, and meanwhile, whether the temperature of the photovoltaic solar panel is larger than or equal to a preset temperature value or not is judged
(5) If so, the infrared camera marks the latitude, longitude, detection time and other information of the hot spot on the corresponding image position.
16. The drone-based aerial photography photovoltaic solar panel hotspot detection system and method of claim 15, the ground-end terminals, such as mobile terminals and computers, can access the video server through the wireless network, query the location of the hot spot of the photovoltaic solar panel (in terms of longitude and latitude) and detection time information in time for timely remediation.
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| CN202110587688.8A CN115409760A (en) | 2021-05-27 | 2021-05-27 | System and method for detecting hot spots of photovoltaic solar panel based on unmanned aerial vehicle aerial photography technology |
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| CN202110587688.8A CN115409760A (en) | 2021-05-27 | 2021-05-27 | System and method for detecting hot spots of photovoltaic solar panel based on unmanned aerial vehicle aerial photography technology |
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