Ventilation system based on subway tunnel is with blocking between multi -region at one time

The utility model discloses a ventilation system based on subway tunnel is with blocking between multi -region at one time, its characterized in that ventilation system includes BAS system at central level and sets up fan and the station level BAS system in each station respectively, each fan warp cable in the station with station level BAS system is connected, each station level BAS system is connected with BAS system at central level, wherein, the fan turns to the standard for two -way reversible. The utility model has the advantages that, simple structure can tackle the continuous or discontinuous blockage in many places in the tunnel, guarantees that each choke point homoenergetic effectively ventilates, guarantees the interior personnel's of train comfort level.