Weather resistance device based on solar power generation photovoltaic panel

The invention relates to the technical field of solar photovoltaic panels, in particular to a weather resistance device based on a solar power generation photovoltaic panel. The weather resistance device comprises a bracket mechanism, a photovoltaic panel is detachably mounted on the bracket mechanism, and a protection mechanism for improving the weather resistance of the photovoltaic panel is mounted on the bracket mechanism; the protection mechanism comprises a second control assembly and a first control assembly which are installed on the left side and the right side of the support mechanism correspondingly; and the first control assembly comprises a right box body fixed to the support mechanism, a reel is installed in the right box body through a bearing, main chain wheels are installed at the two ends of the outer surface of the reel respectively, and a main motor for driving the reel to rotate for use is fixedly installed on the right box body. The purpose of improving the weather resistance of the phot