Gas detection adjusting device

The utility model discloses a gas detecting and adjusting device which comprises a first filter, a first butterfly valve, a first pneumatic control valve, a second butterfly valve, a first check valve, a gas mixer, a second check valve, a third butterfly valve, a second pneumatic control valve, a fourth butterfly valve and a second filter. The gas mixer is respectively connected with the first filter, the first butterfly valve, the first pneumatic control valve, the second butterfly valve, the first check valve, the gas mixer, the second check valve, the third butterfly valve, the second pneumatic control valve, the fourth butterfly valve and the second filter through a first pipeline and a second pipeline. According to the device, the concentration stability of mixed oxygen gas can be well maintained through cooperation of all the components, effective mixing is formed, and the fluctuation of the mixed oxygen concentration is reduced. 本实用新型公开了一种气体检测调节装置，包括第一过滤器、第一蝶阀、第一气动控制阀、第二蝶阀、第一止回阀、气体混合器、第二止回阀、第三蝶阀、第二气动控制