Methanol automobile self-adaptive starting method based on automatic fuel recognition

An automatic identification and self-adaptive technology, applied in fuel injection control, engine control, machine/engine, etc., can solve problems such as restricting the promotion of methanol vehicles, and achieve the effect of speeding up the promotion.

Pending Publication Date: 2021-04-16
GUIZHOU UNIV
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the existing fuel injection system is added with different methanol fuels, it often needs to adjust the parameters of t

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Methanol automobile self-adaptive starting method based on automatic fuel recognition
  • Methanol automobile self-adaptive starting method based on automatic fuel recognition
  • Methanol automobile self-adaptive starting method based on automatic fuel recognition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present invention.

[0033] Embodiment of the present invention: a method for adaptive starting of a methanol vehicle based on automatic fuel identification, as shown in the attached Figure 1-4 As shown, the fuel injection system corresponding to the self-adaptive starting method for methanol vehicles based on automatic fuel identification includes a single-chip microcomputer 1, and the input terminals of the single-chip microcomputer 1 are electrically connected to the dielectric constant or capacitance sensor 2 and the temperature sensor 3 respectively. , wherein the dielectric constant or capacitance sensor 2 is placed in the methanol fuel tank, and the temperature sensor 3 is placed at the engine intake pipe, and the output end of the single-chip microcomputer 1 is electrically connected with the fuel injector 4 thr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a methanol automobile self-adaptive starting method based on automatic fuel recognition. The method is characterized in that a vehicle methanol fuel type and air inlet pipe temperature are obtained through automatic acquisition, so that the injection quantity of a fuel injector is automatically adjusted. The method comprises the following steps that staring adjustment is conducted, specifically, a single-chip microcomputer judges the methanol fuel type according to a dielectric constant sensor, determines the starting mode of an engine according to the air inlet temperature of the engine and initializes an original oil injection control signal; and self-adaptive adjustment is conducted, specifically, after staring adjustment, the single-chip microcomputer adjusts the original fuel injection control signal in a self-adaptive mode according to the detected methanol fuel type and the frequency of the original fuel injection control signal, and a fuel injector drive circuit adjusts the injection amount of the fuel injector according to the adjusted fuel injection control signal. According to the method, the environment temperature and the methanol fuel type can be automatically recognized, then the fuel injection pulse width needed by engine starting is automatically judged according to the environment temperature and the methanol fuel type, and the rotating speed during engine starting is automatically adjusted to idling rotating speed.

Description

technical field [0001] The invention relates to an adaptive starting method for a methanol automobile based on automatic fuel identification, and belongs to the technical field of automobile fuel injection control. Background technique [0002] At present, some provinces in my country respond to the call of the state to actively develop methanol vehicles, and promote and sell corresponding models of methanol fuel in light of local actual conditions. However, there is currently no fuel injection method on the market that can automatically identify the fuel type and automatically adjust the fuel injection quantity so that the combustion air-fuel ratio remains within a certain range. After the existing fuel injection system is added with different methanol fuels, it often needs to adjust the parameters of the ECU several times, which has obvious geographical limitations and has always restricted the promotion of methanol vehicles. Contents of the invention [0003] The objec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F02D41/30F02D41/06F02D41/08F02D41/12F02D41/26
Inventor 何锋赵建峰李凤阳陈豪
Owner GUIZHOU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap