Infrared detection device for multi-component Freon gas

The utility model discloses an infrared detection device for multi-component Freon gas. The infrared detection device comprises an infrared light source, a gas chamber, a temperature sensor, a detector, a Fabry-Perot interference mirror, a signal acquisition and control unit and a signal processing and display unit, wherein the temperature sensor is positioned in the gas chamber; the infrared light source emits infrared light of which the bandwidth covers a waveband of 8-10 microns to the air chamber; the air chamber is used for hermetically storing Freon gas to be detected; the Fabry-Perot interference mirror is arranged on the detector and is used for adjusting the frequency of infrared light which penetrates through the ventilation chamber and enters the detector; the detector is used for converting the received optical signal into an electric signal; the signal acquisition and control unit is used for acquiring signals measured by the temperature sensor and electric signals detected by the detector; the s