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On - board - diagnosis - / obd / - a method and apparatus in the micro-scale for the continuous measurement of the pollutant discharge due to from motor vehicles

机译:车载诊断-/ obd /-一种用于连续测量机动车辆污染物排放的微型方法和装置

摘要

The diagnosis device is incorporated in a micro measuring rod for continuous measurement of the exhaust emissions of an automobile engine, with the measurement effected via IR gas absorption in an optical path without any moving parts. A number of parallel cells or vessels (10,14) have the exhaust gas fed through them simultaneously and are supplied with time-shifted light source pulses, with evaluation of the measuring data via a microprocessor using a quotient method, for storage via an internal RAM and an external memory card.
机译:该诊断装置安装在微型测量杆中,用于连续测量汽车发动机的废气排放,该测量通过光路中的IR气体吸收进行,无需任何移动部件。多个并行单元或容器(10,14)的废气同时通过它们供给,并被提供时移光源脉冲,并通过使用商法的微处理器对测量数据进行评估,以通过内部存储RAM和外部存储卡。

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