Structure Optimization Design on the High-pressure Common Rail Electronically Controlled System
At present,the ordinary diesel injection system is difficult to meet the requirements of diesel engine power performance,economic performance and emission performance.The main purpose of this thesis is to introduce a fuel injection system,the optimization and improvement of on electronic controlled injector structure based on the high pressure common rail electronic control device.Elaborate on the system structure,work principle and the working process of fuel injector.At the same time,the electrical parameters of the injector are analyzed.After the system improved the electromagnetic valve injector have the characteristics of small volume,high pressure resistance,high temperature resistance,shock resistance and fast response etc.After the injection system of achieve higher injection pressure and control of the injection pressure and injection quantity while at work.Not only to achieve pre injection and post injection but optimization of injection characteristics of shape,to reduce the noise of diesel engine and reduce exhaust emissions.
high-pressure common railelectric control deviceelectronic controlled injectorfuel injection quantity
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