JinkoSolar. has filed a patent for a method of visually inspecting photovoltaic modules. The process involves using light sources to record coordinates of edge intersections and overlapping points, then analyzing the differences to determine overlap spacings between film strips and solar cells. GlobalData’s report on JinkoSolar gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on JinkoSolar, Artificial photosynthesis was a key innovation area identified from patents. JinkoSolar's grant share as of January 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Visual inspection method for photovoltaic modules with film strips
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A recently filed patent (Publication Number: US20240039472A1) discloses a method for visually inspecting photovoltaic modules to identify defects such as light leakage. The method involves using two light sources positioned above and below the module to record coordinates of edge intersections and overlapping points among solar cells, film strips, and gaps. By analyzing the differences in coordinates, overlap spacings between the film strips and solar cells can be determined. The patent also specifies parameters such as vertical distances between light sources and components, light-emitting intensity, and lengths of gaps not covered by film strips.
Furthermore, the method includes steps for placing the photovoltaic back sheet on a worktable, identifying solder strips through the film strips, and analyzing edge position information to determine overlap spacings. Parameters such as vertical distances between light sources and components, light-emitting intensity, and lengths of uncovered gaps are also specified. The patent aims to enable the selection of defective modules for repair based on the analysis results, particularly focusing on issues related to small overlap spacings or incomplete coverage of gaps by film strips. Overall, the method provides a systematic approach to visually inspecting photovoltaic modules for quality control purposes, ensuring optimal performance and efficiency in solar energy systems.
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