汽车尾气检测方法分析及设备研发

An Analysis of Automobile Exhaust Detection Methods and the Development of Corresponding Equipment

对比阐述了国内外汽车尾气治理的情况,重点分析介绍了国内常用的4类技术:无负荷测试方法、工况法、道路遥感监测方法以及车载检测技术,分析了每种方法的特点及应用现状,并对一款实用性较强的便携式尾气检测仪进行了开发及应用举例。该仪器不仅可以提高"简易工况法"测量的准确度,实现环保部门对环境监测要求,还能有效减少环境污染。

The present situation of automobile tail gas treatment both at home and abroad was introducedwith an emphasis on four common methods in China, including zero load test method （idle speed and double idle speed method）, mode tests （steady state method, transient state method and simple transient state method）, road remote sensing monitoring and portable emission measurement. The characteristics and application of each method were discussed. In addition, the devel- opment and application of a portable instrument of tail gas detector were introduced. The instrument can not only improve the measurement accuracy, but also meet environmental monitoring requirements of relative agency and effectively reduce environmental pollution.