Multi -component gas adjusts formula detection device based on TDLAS

The utility model relates to a gas detection technology field especially relates to a multi -component gas adjusts formula detection device based on TDLAS, comprises a box bod, the top surface of tworelative curb plates of box body all is equipped with cuboid form arch, the open -top department of box body is equipped with the apron to the bottom surface of apron and the top surface bonding of curb plate, the bar groove has all been seted up at the both ends of apron, and the medial surface in bar groove is sunken has a slot, the arch is located the bar inslot, bellied top surface caves in there is the spout, the bottom surface is equipped with the answer subassembly in the spout, replying the subassembly and including fixed plate and spring, the fixed plate is perpendicular to be set upat the bottom surface middle part of spout, and the both sides of fixed plate are all connecting the one end of spring, and sliding connection has a picture peg in the spout, the top surface of picture peg is connected with th