Lightweight aluminum alloy rail-suspended cleaning equipment，installed above the photovoltaic array without contacting the modules，can be flexibly carried manually to adapt to multiple sites，equipped with its own spiral roller brush，enables remote-controlled cleaning for small and medium-sized ground-mounted photovoltaic systems。

A large intelligent cross-rail suspended cleaning device，equipped with an IoT remote control system，dual-terminal management via mobile phone / computer，fully automatic settings for unmanned cleaning，suitable for scaled O&M of million-kilowatt-level large centralized ground-mounted PV power stations.