Utility tunnel exhaust mechanism and ventilation system

The utility model provides a comprehensive pipe gallery exhaust mechanism and a ventilation system. The comprehensive pipe gallery exhaust mechanism comprises an exhaust pipeline, an air blower and a photovoltaic panel. Wherein the exhaust pipeline is hollow, and the bottom end of the exhaust pipeline communicates with an exhaust outlet of the comprehensive pipe gallery; a light inlet is formed in the exhaust pipeline, and a light-transmitting plate is sealed at the light inlet; the outer wall of the exhaust pipeline is connected with a containing bin communicating with an inner cavity of the exhaust pipeline. The air blower is arranged in the containing bin and can move from the interior of the containing bin to the interior of the exhaust pipeline through the driving component. The photovoltaic panel is arranged in the exhaust pipeline, is used for converting light energy into electric energy and is electrically connected with the air blower; light absorption cloth is further arranged on the inner wall of t