Subway business turn over station safety coefficient based on super acoustic detection

The utility model provides a subway business turn over station safety coefficient based on super acoustic detection, including controller, ultrasonic detector, a plurality of speedtransmitter, a plurality of distance sensor, alarm, a plurality of converter and a plurality of motor, ultrasonic detector, a plurality of speedtransmitter and a plurality of distance sensor's output is connected to thecontroller input end, the input of alarm and a plurality of converters, every are connected respectively to the controller output end frequency converter output end connects a motor. The utility modeldiscloses beneficial effect: when detecting the subway and enter the station, through speedtransmitter and the action of distance sensor monitoring passenger, utilize the speed of closing of converter control shielding door, the crowded accident of hindering takes place when avoiding the passenger to run into the subway in the shield door action of closing, improve riding security. 本实用新型提供了种基于超声波探测的地铁进出站安全系统，包括控制器、超声波探测器、