一种考虑湿度修正的雾霾检测系统

传统雾霾检测仪在计算雾霾浓度时，只考虑空气中固体悬浮物对光的散射，而没有考虑湿度对雾霾浓度的影响。针对传统雾霾检测仪的不足提出了一种包含湿度参数修正的雾霾浓度算法，设计完成了雾霾检测系统。为减少环境因素的影响，雾霾检测系统采用了封闭式的光学系统及恒定的光功率控制，设计了光发射模块、光接收模块、温湿度监控模块、控制模块、大气采样及光学模块和显示器。通过气溶胶发生器进行模拟实验测得雾霾浓度与散射光强度呈线性关系，线性相关系数为0.976 5，通过最后对大气中PM2.5的检测证明该雾霾检测系统能够较好地实现测量。

Mist haze detection system considering humidity correction

Traditional haze detector haze when calculating the concentration in the air only consider the scattering of light suspended solids, without considering the effects of humidity on haze concentration. Aiming at the shortcomings of traditional haze detector, this paper presents an algorithm that contains concentrations of haze and humidity parameters amendment, designed to complete the haze detection system. To reduce the impact of environmental factors, haze detection system uses a closed optical system and a constant optical power control and designs the optical transmitter module, optical receiver module, temperature and humidity control module, control module, air sampling and optical module, monitors components. By experimentally measured concentrations and haze linear relationship between the intensity of the scattered light using aerosol generator, the linear correlation coefficient is 0.976 5. By detecting the concentration of PM2.5 in the atmosphere, finally proves that the haze detector can work effectively.