易燃液体残留物实时检测系统设计与实现

Design and Implementation of a Real-time Detection System for Flammable Liquid Residues

设计并实现一种基于嵌入式系统的火灾现场易燃液体残留物实时检测系统,它在嵌入式技术优势的基础上,结合气相色谱柱和光离子化传感器,达到了便携式、实时、精确的效果。实验证明,该系统在多种干扰物与汽油混合燃烧的情况下依然能够稳定地检测出汽油的特征峰,仪器具有良好的线性、灵敏度、检测限和稳定性。

This paper designs and implements a real-time detection system for flammable liquid residues based on embedded system. It gives full play to the advantage of embedded technology,and realizes portable and real-time accurate detection combining with gas chromatography and photo ionisation detector. Many experiments prove that this system can stably detect the characteristic peaks of gasoline in the condition of combustion of gasoline mixed with a variety of disrupting chemicals. It has the characteristic of linearity,sensitivity,detection limit and stability.