Single-chopper double-light-path water infrared analyzer system

The invention belongs to the technical field of analytical instrument measurement, and discloses a single-chopper double-light-path water infrared analyzer system, which consists of a chopper and two spherical mirrors, and comprises a light source system, a dispersion system, a double-light-path system, a sample chamber system and a detector system, the double-optical-path system is composed of a chopper, a fifth spherical mirror and a sixth spherical mirror. The chopper is provided with a fan-shaped plane mirror. According to the invention, the design complexity of the double chopper caused by synchronization of the phase and the rotation frequency is reduced; the chopper is of a four-sector structure, the sector angle of a sector interval (1) is 90-150 degrees, the rotation frequency range of the chopper is 60-240 r/min, the system samples a sample, a reference and a dark current signal based on the angle of the chopper, and the reliability of the instrument is further improved. 本发明属于分析仪器测量技术领域，公开了一种单斩波器双光路