Intelligent efficient security check door for flammable and explosive gas

The utility model discloses an intelligent high-efficiency security door for flammable and explosive gas, which structurally comprises a gas inlet, an obstacle avoidance switch, an indicating lamp, a base and a door body, the obstacle avoidance switch is fixed at the inner side position of the door body at the left end, the gas inlet is fixedly connected with the inner side of the door body in an embedded manner, the indicating lamp is fixed at the top position of the door body, and the door body is welded at the top position of the base. When gas around luggage carried by a passenger is sucked into the door body, the gas can be detected through the detection contact on the detection unit, so that flammable and explosive dangerous gas molecules such as gasoline, alcohol, banana oil, rosin water, turpentine, high-degree white spirit, hydrogen and natural gas can be detected and analyzed in real time; when the detection contact detects a target gas with a certain concentration, the signal transmitter passes thr