Cleaning device for photovoltaic integrated building

A cleaning device for a photovoltaic integrated building comprises a roof building, a photovoltaic panel, a cleaning liquid spraying device, a cleaning brush device and a control device, and a certain oblique angle is formed between the roof building and the horizontal plane. The cleaning liquid spraying device comprises a liquid storage tank, a pressure pump connected to the liquid storage tank, a plurality of connecting pipes connected to the pressure pump and a plurality of spray head elements connected to the connecting pipes, and the spray head elements are aligned to the photovoltaic panel and located at the top end of the roof building; the cleaning brush device comprises a connecting shaft connected to the roof building, a cleaning brush element connected to the connecting shaft and a rotating motor connected to the connecting shaft, the rotating angle of the cleaning brush element is 180 degrees, and the rotating track of the cleaning brush element can cover the whole photovoltaic panel. The bottom o