APPARATUS FOR MEASURING THE POLLUTION LEVEL OF THE PHOTOVOLTAIC MODULES SURFACE

摘要

The present invention provides an apparatus for measuring a contamination level of a photovoltaic module surface which detects a change in resistance on a surface of a photovoltaic module to efficiently measure a degree of contamination accumulated on the module surface and secures an optimal cleaning period of the module during photovoltaic power generation. The apparatus for measuring a contamination level of a photovoltaic module surface comprises: a glass substrate which can be attached to a surface of a photovoltaic module; a reaction coating layer which is coated on one surface of the glass substrate, has a structure where a contaminant can be accumulated on a surface on one side thereof, and causes a change in resistance by a contact with the contaminant; and a signal processor connected to the reaction coating layer to receive a signal of a resistance change and process the signal of the reaction coating layer to measure an amount of change in a resistance value from the resistance change by accumulating the contaminant and then output a determination signal about whether the reaction coating layer is contaminated.