Vehicle door closing passenger compartment exhaust system

The utility model discloses a door-closed passenger compartment exhaust system. The system comprises a vehicle door position sensor, vehicle door glass, a glass lifter and a vehicle body controller, the glass lifter is used for driving vehicle door glass to do lifting motion; a vehicle door glass position signal is sent to the vehicle body controller; the vehicle door position sensor is used for sensing the opening and closing conditions of a vehicle door and sending a vehicle door opening or closing signal to the vehicle body controller. And when the vehicle body controller receives the vehicle door opening signal, the current position of the vehicle door glass is calculated according to the vehicle door glass position signal, and the vehicle door glass is controlled to descend to the setheight or kept at the current position according to the difference value between the current position of the vehicle door glass and the set vehicle door glass position. When the automobile door is opened, the automobile wind