Fuel injection system of electronic control unit pump

Abstract

The invention relates to a fuel injection system of an electronic control unit pump, wherein the fuel injection system of the electronic control unit pump is used on a single-cylinder air-cooled diesel engine. An oil inlet electromagnetic valve is installed on the electronic control unit pump, and timed and quantitative fuel injection of an oil injector is achieved through control over the opening time and the closing time of the oil inlet electromagnetic valve. The outlet end of an electric oil conveying pump is connected with the inlet end of the electronic control unit pump through an oil conveying pipe, and the outlet end of the electronic control unit pump is connected with the inlet end of the oil injector through a high-pressure oil pipe. A rotating speed sensor is connected with an electronic control unit, an engine oil temperature sensor is connected with the electronic control unit, an engine oil pressure sensor is connected with the electronic control unit, and the electronic control unit is connected with the oil inlet electromagnetic valve through an electronic control circuit. The fuel injection system of the electronic control unit pump ensures the timed and quantitative fuel injection of the oil injector, has good economical efficiency, reduces emission, and is automatic in operation control and high in reliability.

Description

technical field [0001] The invention relates to a fuel injection system for a single-cylinder air-cooled diesel engine, in particular to an electronically controlled unit pump fuel injection system, which belongs to the technical field of internal combustion engines. Background technique [0002] The traditional fuel injection system of diesel engine is mechanical, and the fuel injection quantity and timing cannot be adjusted in time with the change of speed and load, resulting in high emission and poor economy of diesel engine. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies in the prior art and provide an electronically controlled unit pump fuel injection system that can reduce emissions, improve economy, automate operation and control, and have high reliability. [0004] According to the technical solution provided by the present invention, the electronically controlled unit pump fuel injection system includes an el...

AI Technical Summary

Problems solved by technology

[0002] The traditional diesel fuel injection system is mechanical, and the fuel injection volume and fuel injection timing cannot be adjusted in time with changes in speed and load, resulting in high emissions and poor economy.

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