飞行时间质谱仪用于内燃机排气成分动态检测

摘要

介绍一种新的利用飞行时间质谱仪(TOFMS)对内燃机排气成分进行动态检测的方法。通过分析飞行时间质谱仪的原理，从理论上证明了这种方法的可行性与先进性。试验研究了采用这种方法实现内燃机排气成分动态检测所需的数据采集速率和分辨率。完成了采用飞行时间质谱仪和高速数据采集系统的内燃机排气动态检测系统的方案设计。%In this paper a new dynamic measuring method of exhaust gas from internal combustion (I.C.) engines using TOFMS(Time-of-Flight Mass Spectrometer) is reported.Through analyzing the basic principle of TOFMS,its feasibility and advantage have been demonstrated in theory.The Data acquisition rate and resolution for the dynamic measuring method using TOFMS have been investigated in tests.Using TOFMS and data acquisition system,the scheme of the dynamic measuring system for I.C.engine exhaust gas has been designed.