Gas temperature detection device based on but tuning diode laser absorption spectrum

The utility model provides a gas temperature detection device based on but tuning diode laser absorption spectrum, but tuning diode laser absorption spectrum gas detection technology field belonged to. System's device includes: emission unit (11), a burning gas absorption pond unit (12), receiving element (13), central control processing unit (14). The utility model discloses an emission unit produces the laser beam that center wavelength be 1390nm, and the light beam is through a burning gas absorption pond, measures the light intemsity variation of laser after burning by receiving element, carries out data processing and measure the temperature's real -time demonstration by central control processing unit at last. 本实用新型提出了种基于可调谐二极管激光吸收光谱的气体温度检测装置，属于可调谐二极管激光吸收光谱气体检测技术领域。所述系统装置包括：发射单元（11）、燃烧场气体吸收池单元（12）、接收单元（13）、中央控制处理单元（14）。本实用新型通过发射单元产生中心波长为1390nm 的激光光束，光束通过燃烧场气体吸收池，由接收单元测量激光经过燃烧场后的光强变化，最后由中央控制处理单元进行数据处理和测量温度的实时显示。