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当前位置: 首页 > 文章 > 高压双电磁阀燃油系统特性分析 农业机械学报 2008,39 (11) 14-17
Position: Home > Articles > Characteristics Analysis of Double Valves Fuel System with High Pressure Transactions of the Chinese Society for Agricultural Machinery 2008,39 (11) 14-17

高压双电磁阀燃油系统特性分析

作  者：
仇滔;刘兴华;刘福水;胡建村
单  位：
北京理工大学机械与车辆工程学院
关键词：
柴油机;燃油系统;电磁阀
摘  要：
采用电控单体泵和电控共轨喷油器构建双电磁阀燃油系统,实现供油和喷油的独立控制;进行了双电磁阀燃油系统的实验;采用AMESim软件建立了双阀燃油系统仿真模型。对双电磁阀燃油系统特性进行的仿真分析表明:通过改变供油和喷油的时间间隔,在保持喷射提前角下可实现不同的喷油规律;在供油过程中通过2次喷油控制可以实现预喷射;通过加长供油时间,可以在低转速下实现高压喷射。该双电磁阀方案实现了供油和喷油的独立控制,具有获得理想燃油喷射规律的潜力。
译  名：
Characteristics Analysis of Double Valves Fuel System with High Pressure
作  者：
Qiu Tao Liu Xinghua Liu Fushui Hu Jiancun(Beijing Institute of Technology,Beijing 100081,China)
关键词：
Diesel,Fuel system,Electronic valve
摘  要：
A double electronic valves fuel system was established by adopting an electronic unit pump and an electronic injector of common rail. The electronic unit pump is used for fuel supply adjusting and the electronic injector of common rail is used for fuel injection control. Subsequently,the characteristics of the fuel system were analyzed by experiment and simulation. The different fuel injection laws were obtained with different time intervals from fuel supply advance angle to fuel injection advance angle. The pilot injection was realized by means of two times injector controls during the course of fuel supply. With prolonged fuel supply time,the high pressure injection was realized at low speed. The results show that the double valves fuel system reserves the advantages of traditional fuel system and has the more flexible characteristics during the circle of diesel,which will be more favorable to the dynamic performance of diesel.

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