Composite optical detector based on ultraviolet differential absorption spectrum and microflow infrared technology

The invention discloses a composite optical detector based on an ultraviolet differential absorption spectrum and a microflow infrared technology, which comprises a first measuring chamber, a second measuring chamber, a third measuring chamber, a fourth measuring chamber, a fourth measuring chamber, a fifth measuring chamber and a sixth measuring chamber, the first measuring chamber is mainly used for containing measuring gas, and the structure of the first measuring chamber is transparent; the spectrograph is arranged on the right side of the first measuring chamber; the sample gas chamber is mounted at the front end of the first measuring chamber, and the structure of the sample gas chamber is a transparent structure; the gas inlet and outlet is connected between the first measuring chamber and the sample gas chamber, and the gas inlet and outlet is mainly used for charging and discharging sample gas into the first measuring chamber and the sample gas chamber; the second light source is mounted on the left