Elevator ventilation automatic control system

The utility model discloses an elevator ventilation automatic control system, including the elevator car body, the elevator car body, elevator car body top is equipped with the air intake, the air intake is fixed at elevator car body top, be equipped with the dead lever in the air intake, the air intake is equipped with the fan in the top of dead lever, the fan is through welding and dead lever fixed connection, fan upper portion and lower part are equipped with respectively and separate the net, it separates the net for the metal to separate the net, the side that separates the net passes through welded fastening with the elevator car body respectively, elevator car body bottom is equipped with pressure sensor, pressure sensor bottom and elevator car body bottom fixed connection, pressure sensor fixes in elevator car body middle part, the pressure sensor top is equipped with the fixed plate, the bottom and the pressure sensor upper portion fixed connection of fixed plate. The utility model discloses can reac