基于SCR系统的车辆电气系统设计开发

Design and Development of SCR about Electric System on the Vehicle

阐述了国4 SCR后处理技术的控制策略,分别从SCR电气接口、尾气处理器(EGP)、定量给料泵(DU)、尿素罐、NOx传感器以及车载诊断系统(OBD)技术方面详细介绍了基于SCR系统的车辆电气系统设计开发工作。

The control strategy of the SCR aftertreatment system for CN 4 is presented. The development of the electrical system for commercial vehicle is detailed described from the following aspects： the design of SCR connector,the EGP,the dosing pump, the urea tank, the NO, sensor and OBD.