Simulated gas leakage and detection device

The utility model discloses a simulation gas leakage and detection device which comprises a simulation room and a detector located in the simulation room, and a sealing door is arranged at the bottomof the side face of the simulation room. An air supply module and an exhaust module are respectively arranged at the upper parts of two sides of the simulation room; the exhaust module is communicatedwith the interior of the simulation room through a connecting pipe; wherein a shunting pipe is arranged at the top in the simulation room, the shunting pipe comprises a main pipeline and a pluralityof side pipelines which are positioned on two sides of the main pipeline and are in butt joint with the main pipeline, the main pipeline is connected with the air supply module through an input pipe,the side pipelines are L-shaped, a plurality of nozzles are formed in the inner sides of the side pipelines, and switch valves are arranged at the joints of the side pipelines and the main pipeline; according to the device, the