TWI742864B - A solar panel detection management system - Google Patents

Abstract

A solar panel detection management system is used to detect a plurality of solar panels on a solar panel array, comprising: an image capturing unit for obtaining a solar panel array image of one of the solar panel arrays; a positioning unit for obtaining the image of each solar panel A position information; the processing unit includes an image processing module for converting the solar panel image into a grayscale image and a thermal image, and the image recognition module is used for distinguishing the grayscale image and one of the color abnormal information on the thermal image, The performance calculation module is used to calculate a conversion performance value of each solar panel; and the warning unit displays a warning signal according to the color abnormality information and the conversion performance value, wherein the processing unit compares a preset according to the conversion performance value Threshold, when the conversion efficiency value is lower than the preset threshold, check whether the solar panel is abnormal. If so, prompt whether the solar panel needs to be cleaned or repaired, and arrange the repairs of the solar panels according to the damage degree of the solar panel order.

Description

Solar panel inspection management system

The invention relates to a solar panel detection management system, in particular to a solar panel detection management system that uses image recognition to perform solar panel detection.

Generally, during the manufacturing process of solar modules, the product may have defects due to external pressure or handling factors, and these defects will affect the solar energy conversion efficiency and service life. The conventional solar panel inspections mostly use manual visual inspection to detect whether the solar panels are defective. However, this inspection method is time-consuming and cannot identify problems such as cell cracks that are invisible to the naked eye. ; Another conventional solar panel detection device uses electroluminescence (EL) image detection, which generates near-infrared light after the solar module is energized, and then the near-infrared camera captures the image to make judgments. In order to confirm the quality of the module, but this type of electroluminescence (EL) image detection method, the solar panel must be energized to detect whether there are defects such as flaws, cracks, etc., and electroluminescence The process of (Electroluminescence, EL) image detection method is cumbersome and is susceptible to the limitations of area, site and wiring range.

The conventional solar detection module mainly means that the solar detection module must electrically connect the solar panel and the power supply unit for the solar panel to be energized, so that it can capture the image of the solar panel with a camera and send the image to Check In order to make the solar panel work normally, most of the industry will install the solar panel outdoors, and then disassemble and move the solar panel indoors for power-on and inspection. It is known that the solar panel must be energized during the solar module inspection process, and it is easy to be limited by the area, site and wiring range of the object to be tested, which leads to various inconveniences in the solar module inspection process, which gradually becomes the solar module defect inspection. Developers and related researchers in related industries such as devices need to continue to work hard to overcome and solve problems.

The present invention provides a solar panel inspection management system, through image capture and image recognition technology, to save inspection time and cost, and can improve the convenience of outdoor solar panel array inspection.

The present invention provides a solar panel detection management system for detecting a plurality of solar panels on a solar panel array, including: an image capturing unit, a positioning unit, a processing unit and a warning unit. The image capturing unit is used to obtain a solar panel array image of the solar panel array; the positioning unit is used to obtain position information of each of the solar panels; the processing unit includes an image processing module, an image recognition module, and a Performance calculation module, the image processing module is used to convert the solar panel image into a gray-scale image and a thermal image, the image recognition module is used to distinguish the gray-scale image and a color on the thermal image Abnormal information, the performance calculation module is used to calculate a conversion performance value of each of the solar panels; and the warning unit displays a warning signal based on the color abnormality information and the conversion performance value, wherein the processing unit is based on the conversion The performance value is compared with a preset threshold value. When the conversion performance value is lower than the preset threshold value, check whether the solar panel is abnormal. If so, it will prompt whether the solar panel needs to be cleaned or repaired, and arrange the solar panels according to the degree of damage to the solar panels. The maintenance sequence of these solar panels.

In an embodiment of the present invention, the above-mentioned image capturing unit further includes Including a thermal imager for obtaining thermal images of a solar panel array.

In an embodiment of the present invention, the above-mentioned positioning unit further includes a real-time dynamic positioning module and a global positioning module.

In an embodiment of the present invention, the above-mentioned image capturing unit and positioning unit are arranged in an unmanned aerial vehicle.

In one embodiment of the present invention, the above-mentioned solar panel array adjusts the angle of the solar panel array according to the position between the drones.

In an embodiment of the present invention, the aforementioned image recognition module determines whether the solar panels are abnormal based on whether the grayscale image and the thermal image color meet a predetermined color threshold.

In an embodiment of the present invention, the above-mentioned solar panel inspection and management system further includes a display unit to display the grayscale image, the thermal image, and the warning signal.

In an embodiment of the present invention, the above conversion efficiency value is based on the service life of the solar panels to set a preset threshold value, when the conversion efficiency value is lower than the preset threshold value, the warning message is issued to remind the replacement The solar panel.

A solar panel detection management system is used to detect a plurality of solar panels on a solar panel array, including: an unmanned aerial vehicle and a back-end management device. The unmanned aerial vehicle includes: an image capturing unit, including a thermal imager for obtaining a solar panel array image and a solar panel array thermal image of the solar panel array; a positioning unit, including a real-time dynamic positioning module and a The global positioning module is used to obtain the position information of each of the solar panels. The back-end management device includes: a processing unit, including an image processing module, an image recognition module, and a performance calculation module, the image processing module is used to convert the solar panel array image into a grayscale image , The image recognition module is used to distinguish the grayscale image and one of the color anomaly information on the thermal image of the solar panel array, and the performance calculation module is used to calculate each of these A conversion performance value of the solar panel is judged by the processing unit whether it is lower than a preset threshold; a warning unit displays a warning signal based on the color abnormality information and when the conversion performance value is lower than the preset threshold; And a display unit for displaying the solar panel array image, the grayscale image, the solar panel array thermal image and the warning signal, wherein when the conversion efficiency value is lower than the preset threshold, it is checked whether the solar panel has If there is an abnormality, it will prompt whether the solar panel needs to be cleaned or repaired, and the repair order of the solar panels will be arranged according to the degree of damage of the solar panel.

In an embodiment of the present invention, the above-mentioned image recognition module determines whether the solar panels are abnormal based on whether the grayscale image and the thermal image color of the solar panel array meet a predetermined color threshold.

The present invention adopts image recognition technology and performance calculation module, so it can be detected through image recognition whether the photoelectric conversion efficiency of the solar panel is reduced due to dust or damage, and further through the performance calculation module, when the solar panel itself has no accumulation When the conversion efficiency is lower than the threshold in the condition of dust or damage, it can be used as a reminder to replace the solar panel in advance, which can be used as a basis for solar panel repair or replacement to improve the conversion rate of maintaining solar panel efficiency.

110: Image capture unit

120: positioning unit

130: processing unit

140: display unit

150: warning unit

160: image processing module

170: Image recognition module

180: performance calculation module

200: drone

210: camera

221: RTK positioning module

222: GPS positioning module

300: back-end management device

400: Solar panel array

500: Solar panel array

Fig. 1 is a block diagram of the system components of the solar panel inspection and management system of the present invention.

Fig. 2 is a schematic diagram of an embodiment of the solar panel inspection and management system of the present invention.

Fig. 3 is a schematic diagram of the rotation angle of the solar panel array of the present invention according to the position of the drone.

Fig. 4 is a schematic diagram of the numbering of the solar panel array of the present invention.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific examples are given in conjunction with the accompanying drawings to describe in detail as follows.

Fig. 1 is a block diagram of the system components of the solar panel inspection and management system of the present invention. In FIG. 1, the solar panel detection management system is used to detect several solar panels on a solar panel array. The solar panel detection management system includes: an image capturing unit 110, a positioning unit 120, a processing unit 130, A display unit 140 and a warning unit 150.

The image capturing unit 110 is used to obtain a solar panel array image of the solar panel array. The image capturing unit 110 further includes a thermal imager for obtaining a solar panel array thermal image; the positioning unit 120 is used to obtain each of the solar panel array images. The position information of one of the solar panels, wherein the positioning unit 120 preferably includes a real-time kinematic (RTK) module and a global positioning (GPS) module, wherein the real-time kinematic (RTK) is a kind of Technology used to improve the accuracy of positioning data obtained from a global satellite navigation system. It can obtain centimeter-level precise positioning in the field in real time. The image capturing unit 110 and the positioning unit 120 are further arranged on an unmanned aerial vehicle. Therefore, the use of real-time kinematics (RTK) can further improve the accuracy of positioning.

The processing unit 130 includes an image processing module 160, an image recognition module 170, and a performance calculation module 180. The image processing module 160 is used to use the image capturing unit 110 to obtain a solar panel of the solar panel array The array image is converted into a gray-scale image and a thermal image (if the image capturing unit 110 includes a thermal imager, the thermal image of the solar panel array is directly obtained). The image recognition module 170 is used to distinguish the grayscale image and one of the color abnormalities in the thermal image, for example: it is not at the edge of the solar panel, but the color and color have pixel changes; the performance calculation module 180 is used to calculate each A conversion performance value of one of the solar panels, wherein the processing unit 130 compares a preset threshold value according to the conversion performance value. When the conversion performance value is lower than the preset threshold value, it checks whether the solar panel is abnormal. Prompt whether the solar panels need to be cleaned or repaired, and arrange the solar panels according to the degree of damage of the solar panels Repair sequence.

The display unit 140 displays the solar panel array image, the grayscale image, and the solar panel array thermal image. The warning unit 150 displays a warning signal on the display unit 140 according to the color anomaly information and the conversion performance value, which means that if the image The identification module 170 is on the edge of the non-solar panel, but the color is changed but there are pixel changes. It can be determined that the solar panel is dirty, dusty, or damaged. If none of the above situations occurs, the pure processing unit 130 is based on the conversion performance The value comparison shows that the conversion efficiency value is lower than the preset threshold, and it can also indicate that the solar panel can be replaced. Therefore, when the above-mentioned conditions occur, the processing unit 130 can be based on the dirt, dust, damage or efficiency of the solar panel. The degree of conversion is to arrange the maintenance order of the solar panels.

In this embodiment, the image recognition module determines whether the solar panels are abnormal based on whether the grayscale image and the color of the thermal image meet a preset color threshold.

In this embodiment, the solar panel array adjusts the angle of the solar panel array according to the position between the drones.

In this embodiment, the conversion efficiency value is based on the service life of the solar panels to set a preset threshold value. When the conversion efficiency value is lower than the preset threshold value, the warning message is issued to remind the solar panel to be replaced.

Please refer to FIG. 2, FIG. 3 and FIG. 4 at the same time. FIG. 2 is a schematic diagram of an embodiment of the solar panel inspection and management system of the present invention. Fig. 3 is a schematic diagram of the rotation angle of the solar panel array of the present invention according to the position of the drone. Fig. 4 is a schematic diagram of the numbering of the solar panel array of the present invention.

In FIG. 2, the solar panel detection management system is used to detect several solar panels on a solar panel array, which can be mainly divided into an unmanned aerial vehicle 200 and a back-end management device 300.

The UAV 200 carries a camera 210, and the camera is set with a thermal image The instrument is used to obtain a solar panel array image and a solar panel array thermal image of the solar panel array; a positioning unit includes an RTK positioning module 221 and a GPS positioning module 222 to obtain the image of each of the solar panels One location information.

The back-end management device (please refer to Figure 1) includes: a processing unit, including an image processing module, an image recognition module and a performance calculation module, the image processing module is used to convert the solar panel array image Is a gray-scale image. The image recognition module is used to distinguish the gray-scale image and the color anomaly information on the thermal image of the solar panel array. The performance calculation module is used to calculate one of the solar panels. The conversion performance value is determined by the processing unit whether it is lower than a preset threshold; a warning unit displays a warning signal based on the color abnormality information and when the conversion performance value is lower than the preset threshold; and a display unit , Is to display the solar panel array image, the grayscale image, the solar panel array thermal image and the warning signal, wherein the processing unit compares a preset threshold according to the conversion efficiency value, when the conversion efficiency value is lower than The preset threshold is to check whether the solar panel is abnormal, and if so, it prompts whether the solar panel needs to be cleaned or repaired, and the repair order of the solar panels is arranged according to the degree of damage of the solar panel.

In FIG. 3, when the drone 200 carries the camera 210, the RTK positioning module 221, and the GPS positioning module 222 close to the solar panel array, the solar panel arrays will depend on the height of the drone 200 and the position of the drone 200. Adjust the angle position of the solar panel array 400 (that is, the original solar panel array is preset to be sunny, for easy inspection, when the drone approaches, the solar panel array will adjust the angle), so that the camera 210 of the drone 200 can obtain solar energy Plate array image.

More specifically, please refer to FIG. 4. Although the RTK positioning module 221 and GPS positioning module 222 that can be more accurately positioned have been used in the present invention, for the convenience of description and recording, the solar panel array 500 can be further used. It is displayed on the display unit in the form of coordinate number (such as: A4 or GPS(XXX)), which can be used to change Easy to label and explain.

Although the present invention is disclosed in the foregoing embodiments as above, it is not intended to limit the present invention. Anyone who is familiar with similar skills, without departing from the spirit and scope of the present invention, makes changes and modifications equivalent to replacements, still belongs to the present invention. Within the scope of patent protection.

110: Image capture unit

120: positioning unit

130: processing unit

140: display unit

150: warning unit

160: image processing module

170: Image recognition module

180: performance calculation module

Claims (9)

A solar panel detection management system is used to detect a plurality of solar panels on a solar panel array, and includes: an image capture unit for obtaining an image of a solar panel array of the solar panel array; and a positioning unit for Obtain the position information of each of the solar panels; a processing unit, including an image processing module, an image recognition module, and a performance calculation module, the image processing module is used to convert the solar panel image into A grayscale image and a thermal image. The image recognition module determines whether the grayscale image and the thermal image color meet a preset color threshold to determine the grayscale image and one of the color abnormalities on the thermal image , To determine whether the solar panels are abnormal, the performance calculation module is used to calculate a conversion performance value of each of the solar panels; and a warning unit is displayed based on the color abnormality information and the conversion performance value A warning signal, wherein the processing unit compares a preset threshold value according to the conversion efficiency value. When the conversion efficiency value is lower than the preset threshold value, it checks whether the solar panel is abnormal, and if so, it prompts whether it is necessary Clean or repair the solar panel, and arrange the repair order of the solar panels according to the degree of damage of the solar panel. According to the solar panel inspection and management system described in item 1 of the scope of patent application, the image capturing unit further includes a thermal imager for obtaining thermal images of a solar panel array. For example, the solar panel inspection and management system described in item 1 of the scope of patent application, wherein the positioning unit includes a real-time dynamic positioning module and a global positioning module. The solar panel inspection and management system as described in item 1 of the scope of patent application, wherein the image capturing unit and the positioning unit are arranged in an unmanned aerial vehicle. Such as the solar panel inspection and management system described in item 4 of the scope of patent application, in which the solar panel The solar panel array adjusts the angle of the solar panel array according to the position between the drones. For the solar panel inspection management system described in item 1 of the scope of patent application, the solar panel inspection management system further includes a display unit to display the grayscale image, the thermal image, and the warning signal. For example, the solar panel inspection and management system described in item 1 of the scope of patent application, wherein the conversion efficiency value is based on the service life of the solar panels to set a preset threshold value, when the conversion efficiency value is lower than the preset threshold value, it is issued The warning message to remind you to replace the solar panel. A solar panel detection management system is used to detect a plurality of solar panels on a solar panel array, including: an unmanned aerial vehicle, including: an image capturing unit, including a thermal imager for obtaining one of the solar panel arrays Solar panel array image and a solar panel array thermal image; a positioning unit, including a real-time dynamic positioning module and a global positioning module, to obtain position information of each of the solar panels; and a back-end management device , Including: a processing unit, including an image processing module, an image recognition module and a performance calculation module, the image processing module is used to convert the solar panel array image into a grayscale image, the image recognition The module is used to discriminate the grayscale image and a color anomaly information on the thermal image of the solar panel array, the performance calculation module is used to calculate a conversion performance value of each of the solar panels, and through the processing unit Determine whether it is lower than a preset threshold; a warning unit displays a warning signal based on the color abnormality information and when the conversion efficiency value is lower than the preset threshold; and a display unit displays the solar panel array image, The grayscale image, the thermal image of the solar panel array and the warning signal, Wherein, when the conversion efficiency value is lower than the preset threshold, check whether the solar panel is abnormal, if so, prompt whether the solar panel needs to be cleaned or repaired, and arrange the solar panels according to the degree of damage of the solar panel Maintenance sequence of the board. For example, the solar panel inspection management system described in item 8 of the scope of patent application, wherein the image recognition module is based on whether the grayscale image and the thermal image color of the solar panel array meet a preset color threshold to determine the Whether the solar panel is abnormal.

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