Oil quantity management control system and method for diesel engine electric control voltage accumulation distributed type common rail system

A common rail system, management control technology, applied in electrical control, engine control, fuel injection control and other directions, can solve problems such as increasing development complexity

Active Publication Date: 2013-06-19
WUXI WEIFU HIGH TECH CO LTD
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, when there is no need for torque switching calculations between multiple electronic control units in the vehicle system, the use of diesel engine control algorithms based on torque management will increase the development complexity

Method used

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  • Oil quantity management control system and method for diesel engine electric control voltage accumulation distributed type common rail system
  • Oil quantity management control system and method for diesel engine electric control voltage accumulation distributed type common rail system
  • Oil quantity management control system and method for diesel engine electric control voltage accumulation distributed type common rail system

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Embodiment Construction

[0051] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0052] Such as figure 1 Shown: in order to be able to control the fuel injection quantity of the diesel engine to realize the control of the rotational speed and torque of the diesel engine, the present invention includes a fuel supply valve 10 and an electronic control unit 9 for driving and controlling the working state of the fuel supply valve 10; The electronic control unit 9 is connected with the sensor module 8 for detecting the state of the diesel engine and the environment state, and the sensor module 8 includes a crankshaft position sensor 11, an accelerator pedal sensor 12, an atmospheric pressure sensor 13, a coolant temperature sensor 14 and a fuel oil sensor. Temperature sensor 15; the electronic control unit 9 is pre-stored with the fuel injection quantity curve of the external characteristic cycle, and the fuel injection quantity curve of the ext...

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Abstract

The invention relates to an oil quantity management control system and a method for a diesel engine electric control voltage accumulation distributed type common rail system, and belongs to the technical field of diesel engine oil quantity control. According to the technical scheme, the oil quantity management control system for the diesel engine electric control voltage accumulation distributed type common rail system comprises an oil supply valve and an electronic control unit. The electronic control unit is used for driving and controlling working conditions of the oil supply valve. The electronic control unit is connected with a sensor module. The sensor module is used for detecting conditions of a diesel engine and environment conditions. The sensor module comprises a crankshaft position sensor, an accelerator pedal sensor, a barometric pressure sensor, a coolant temperature sensor and a fuel oil temperature sensor. External characteristic circulating oil-injection quantity curves are pre-stored inside the electronic control unit. The external characteristic circulating oil-injection quantity curves comprise a start-up phase external characteristic circulating oil-injection quantity curve and a run phase external characteristic circulating oil-injection quantity curve. The oil quantity management control system for the diesel engine electric control voltage accumulation distributed type common rail system is simple and compact in structure, high in accuracy of oil quantity control, good in applicability, safe and reliable.

Description

technical field [0001] The invention relates to an oil quantity management and control system and method, in particular to an oil quantity management and control system and method for a diesel engine electronically controlled pressure storage distribution type common rail system and belongs to the technical field of diesel engine oil quantity control. Background technique [0002] Diesel engine has become the main power of various vehicles because of its good economy, power and reliability. In recent years, with the development of new technologies for diesel engines, electronic control technology has greatly improved the power, economy, handling, vibration and noise of diesel engines, the coordination of supporting components, and the integration and integration of driven equipment (vehicles) and other traditional technical indicators of diesel engines. Improvement and development of new technology projects are both important and far-reaching. [0003] In the existing diese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D41/38F02D41/14
Inventor 王亚伟李刚雷云路
Owner WUXI WEIFU HIGH TECH CO LTD
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