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Solar cell panel rainbow pattern detection method based on dual-light integration

A technology of solar panels and detection methods, applied in the direction of optical testing flaws/defects, measuring devices, material defect testing, etc., capable of solving problems such as poor accuracy

Inactive Publication Date: 2021-03-09
黄晟晖
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a solar cell panel rainbow pattern detection method based on dual-light integration, in order to solve the problem that the accuracy of the existing solar cell panel rainbow pattern detection method is poor

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  • Solar cell panel rainbow pattern detection method based on dual-light integration
  • Solar cell panel rainbow pattern detection method based on dual-light integration
  • Solar cell panel rainbow pattern detection method based on dual-light integration

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Embodiment Construction

[0077] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0078] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other Presence or addition of features, wholes, steps, operations, elements, components and / or collections thereof.

[0079] It should...

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Abstract

The invention relates to a solar cell panel rainbow pattern detection method based on dual-light integration, and the method comprises the steps: obtaining an RGB image and a thermal imaging image ofa photovoltaic power station through a dual-light integrated camera, processing the RGB image of the photovoltaic power station, and obtaining a solar cell panel surrounding frame; according to the three-channel pixel value mean value corresponding to each solar cell panel surrounding frame and the thermal imaging image of the photovoltaic power station, rejecting the solar cell panel surroundingframes which do not meet the requirements, and carrying out temperature anomaly analysis on the solar cell panel RGB image surrounded by the solar cell panel surrounding frames which meet the requirements to obtain an abnormal RGB area; judging whether the abnormal RGB area is a strip-shaped area or not, and if yes, judging whether rainbow lines exist or not according to the pixel difference degree. The method combines the advantages of the RGB image and the thermal imaging image, takes the advantages of the RGB image and the thermal imaging image, greatly reduces the impact from an interference factor, and improves the recognition accuracy of the rainbow pattern of the solar cell panel.

Description

technical field [0001] The invention relates to a method for detecting rainbow stripes of a solar battery panel based on dual-light integration. Background technique [0002] The lower corners of solar panels are prone to dust accumulation. If these dust accumulations are not cleaned in time, under the action of external environment such as high temperature, rain, impurities, etc., they will develop into rainbow-shaped markings (i.e. rainbow stripes) that cannot be erased, which will affect the performance of solar cells. The power generation efficiency and service life of the board. At present, the position where the rainbow pattern appears on the solar panel is generally at the dust accumulation on the lower edge, and it is positively related to the amount of dust accumulation. The thickness and width of the dust accumulation determine the shape of the rainbow pattern. Some solar panels have temperature differences in the morning. There is water accumulation on the lower ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88G01N25/72G06T7/00G06T7/90
CPCG01N21/8851G01N25/72G01N2021/8887G06T7/0002G06T2207/10024G06T2207/20216G06T2207/20224G06T7/90
Inventor 黄晟晖顾龙
Owner 黄晟晖
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