陈琛, 李云清, 王德福  

北京航空航天大学交通科学与工程学院;

    摘要：本文基于L9707芯片设计了缸内直喷发动机用喷油器的驱动电路,讨论了喷油器驱动电路的电流模式。搭建了GDI喷油器特性测量实验台架,并通过台架实验对GDI喷油器的驱动特性进行了测量和分析,验证了驱动电路的可行性。 

    关键字：驱动电路 台架实验 喷油器驱动特性

    Abstract：This paper introduces the design on driving circuit of GDI Injector based on L9707 chip and discusses the current modes of driving circuit of GDI Injector.The experimental bench is built for measurement of the GDI injector characteristics.On this bench,the characteristics of GDI injector are measured and analyzed and the feasibility of the driving circuit is verified

    Keyword：Driving Circuit;Platform Experiment;Injector Driving Characteristics

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