Green building roof photovoltaic automatic fire early warning and fire extinguishing system

The invention provides a photovoltaic automatic fire early warning and fire extinguishing system for a green building roof. The photovoltaic automatic fire early warning and fire extinguishing system comprises a system processor used for processing information fed back by all modules; the automatic early warning module is used for identifying a fire behavior; the automatic fire extinguishing module is used for extinguishing fire; the guiding module is used for guiding each working device to lay the fire retardant layer; the space closing module is used for closing the ignition area; the circuit protection module is used for adjusting the corresponding equipment into a fireproof mode; the photovoltaic module is power generation equipment; and the parapet wall is used for hanging various fireproof equipment. According to the invention, the fire area is isolated in a three-dimensional manner, and the mutual influence between the fire of the photovoltaic power station and the fire of the roof photovoltaic array i