用于柴油车SCR系统的OBD-Ⅱ新构型的设计  

The Design of a New OBD-Ⅱ Configuration for the SCR System of Diesel Vehicle

作　　者：卜建国[1] 张伟[1] 李红勋[1] 张卫锋[1] 

机构地区：[1]军事交通学院汽车工程系,天津300161

出　　处：《汽车工程》2010年第11期1002-1005,共4页Automotive Engineering

基　　金：国家"863"计划项目(2006AA060303)资助

摘　　要：参照OBD技术标准的要求,在柴油车SCR后处理系统上构建与OBD-Ⅱ诊断功能相关的结构,使SCR系统的控制单元具备OBD功能,以满足欧Ⅲ及更高排放标准的要求。该诊断结构的设计具有通用意义,可为柴油车整套OBD-Ⅱ系统的开发提供参考。By making reference to the requirements of OBD technical standard,a configuration related to the diagnosis function of OBD-II system is constructed on the SCR aftertreatment system of diesel vehicle,for giving the control unit of SCR system relevant OBD function to meet the requirements of Euro-III or more stringent emission regulation.The layout of the diagnostic configuration has a general-purpose nature,and can provide references for the development of the complete OBD-II system for diesel vehicle.

关 键 词：柴油车 车载诊断系统 SCR系统 

分 类 号：U464.172[机械工程—车辆工程]