A kind of automobile and its fuel supply quantity control method and control system

A control method and technology for a control system, applied in the field of vehicle engineering, can solve the problems of low durability and insufficient working efficiency of a fuel pump, and achieve the effects of solving the problems of low durability, avoiding ablation, and solving excessive noise

Active Publication Date: 2018-01-19
BEIQI FOTON MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a fuel supply control method, which can solve the problems of low durability and insufficient work efficiency of the fuel pump

Method used

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  • A kind of automobile and its fuel supply quantity control method and control system
  • A kind of automobile and its fuel supply quantity control method and control system

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Embodiment Construction

[0028] The core of the present invention is to provide a fuel supply control method, which can avoid the ablation of the motor caused by the electric fuel pump being in a high-pressure fuel supply state for a long time; in addition, another core of the present invention is to provide a fuel supply control method Control system; In addition, another core of the present invention is to provide an automobile including the above-mentioned fuel supply control system.

[0029] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Please refer to figure 1 with figure 2 , figure 1 A schematic diagram of a fuel supply control system provided by an embodiment of the present invention; figure 2 It is a flow chart of the method for controlling the fuel supply amount provided by the embodiment...

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Abstract

The invention discloses a fuel supply control method, which comprises the steps of: obtaining the fuel pressure flow value of the oil return pipeline; comparing the fuel pressure flow value with the fuel data fuzzy control interval under each working condition and dividing the gear; according to The gear position calculates the fuel supply pressure and the fuel supply flow, and sends the fuel supply pressure and the fuel supply flow to the electric fuel pump to realize the adjustment of the fuel pump motor speed. In addition, the invention also discloses a fuel supply quantity control system. In addition, the present invention discloses an automobile including the above fuel supply quantity control. The above fuel supply control method can avoid the ablation of the motor caused by the electric fuel pump being in a high-pressure fuel supply state for a long time, and can solve the problem of excessive noise of the electric fuel pump to a certain extent.

Description

technical field [0001] The invention relates to the technical field of vehicle engineering, in particular to a fuel supply control method. In addition, the present invention also relates to a fuel supply quantity control system. In addition, the present invention also relates to an automobile with the fuel supply quantity control system. Background technique [0002] With the rapid development of my country's automobile industry, the market demand for various types of vehicles with fuel supply control systems is increasing. [0003] In recent years, the performance of automobile engines in my country has improved, and the requirements for fuel systems have also increased. The most obvious is the increase in fuel supply pressure requirements in the fuel supply system. Among them, the electric fuel pump is an important part of the fuel system, and its structure and performance have an important influence on the fuel supply system of the automobile engine. [0004] As we all...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/00F02M37/08
Inventor 李云峰
Owner BEIQI FOTON MOTOR CO LTD
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