System for inspecting photovoltaic modules

Gisele Alves Dos Reis Benatto (Inventor), Mingjun Chi (Inventor), Peter Behrensdorff Poulsen (Inventor), Paul Michael Petersen (Inventor), Anders Kragh Hansen (Inventor), Sergiu Spataru (Inventor)

Research output: Patent

42 Downloads (Pure)

Abstract

One aspect of the present disclosure relates to an inspection system, in particular a mobile inspection system, for outdoor inspection of photovoltaic modules in situ, the inspection system comprising a movable detector unit and a processing unit; wherein the detector unit is configured to obtain, when positioned at a user‐controllable position spaced apart from a photovoltaic module of a photovoltaic power system, luminescence data from a light‐receiving surface of said photovoltaic module; the detector unit comprising: a light source, in particular a laser source, configured to emit an illumination beam; means for selectively directing the illumination beam onto respective portions of the light‐receiving surface so as, when the illumination beam is directed onto a first portion of the light‐receiving surface, to only illuminate the first portion while leaving a corresponding first remaining portion of the light‐receiving surface unilluminated by the illumination beam and, when the illumination beam is directed onto a second portion of the light‐receiving surface, to only illuminate the second portion while leaving a corresponding second remaining portion of the light‐ receiving surface unilluminated by the illumination beam; an imaging system configured to capture a plurality of images of the light‐receiving surface, the plurality of images including a first image captured while only the first portion is illuminated by the illumination beam and depicting at least a part of the first illuminated portion and at least a part of the unilluminated first remaining portion, the plurality of images further including a second image captured while only the second portion is illuminated by the illumination beam and depicting at least a part of the second illuminated portion and at least a part of the unilluminated second remaining portion; wherein the processing unit is configured to process the plurality of images to provide reconstructed image data indicative of luminescence emitted by the light‐receiving surface responsive to respective portions of the light‐receiving surface being illuminated by the illumination beam.

Original languageEnglish
IPCH02S 50/ 15 A I
Patent numberWO2022084204
Filing date20/10/2020
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date20/10/2020
Priority numberEP20200202838
Publication statusPublished - 28 Apr 2022

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