Dual-glowplug based engine preheating method, system and vehicle

A technology for engine preheating and engine, applied in the direction of engine components, engine starting, machine/engine, etc., can solve the problem that the temperature in the cylinder does not reach the optimum combustion efficiency temperature, lack of fuel and air rapid combustion, and failure to exert combustion efficiency, etc. problems, to achieve the effect of shortening the cold start and warm-up time, shortening the cold start time, and reducing carbon deposition

Active Publication Date: 2017-01-04
GREAT WALL MOTOR CO LTD
View PDF4 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under partial load conditions such as low speed and small load or low speed and large load, the combustion temperature in the cylinder is lower than the normal temperature, the temperature of the gas at the end of compression is low, the best combustion efficiency is not exerted, and the fuel economy of the part load is poor. Carbon deposi

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
  • Dual-glowplug based engine preheating method, system and vehicle
  • Dual-glowplug based engine preheating method, system and vehicle
  • Dual-glowplug based engine preheating method, system and vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0033] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0034] figure 1 It is a flowchart of a method for warming up an engine based on dual glow plugs according to an embodiment of the present invention.

[0035] Such as figure 1 As shown, the method for warming up an engine based on double glow plugs according to an embodiment of the present invention includes the following steps:

[0036] S101: Determine the current working mode of the engine, wherein the working mode includes a start-up mode, an idle speed and warm-up mode, a low-temperature load operation mode, and an extreme working mode.

[0037] Among them, the starting mode includes low-temperature cold start and normal start; the low-temperature load operation mode includes low-t...

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 provides a dual-glowplug based engine preheating method, system and vehicle; the method comprises the following steps: determining an engine present work mode; controlling the dual-glowplug to simultaneously preheat the engine at a first preheating temperature if the engine is in a start mode; controlling at least one glowplug to preheat the engine at a second preheating temperature if the engine is in an idle and warm up mode, wherein the second preheating temperature is lower than the first preheating temperature; controlling the dual-glowplug to alternatively preheat the engine at a third preheating temperature if the engine is in a low temperature load running mode, wherein the third preheating temperature is lower than the second preheating temperature; controlling the dual-glowplug to simultaneously preheat the engine at a fourth preheating temperature if the engine is in a limited condition mode, wherein the fourth preheating temperature is between the first and second preheating temperatures. The novel method can preheat the engine when the vehicle is under various running conditions, and is high in preheating efficiency.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to an engine preheating method, system and vehicle based on double glow plugs. Background technique [0002] With the modern development of the automobile industry, the fuel economy, low emission characteristics, low-speed response and comprehensive performance of vehicle engines have become the objects of concern from all walks of life. Due to the higher combustion efficiency of diesel engines, the market is increasing by a certain proportion year by year. share. Affected by the combustion method and low temperature environment, diesel engines are less startable than gasoline engines, and they all need to be equipped with a preheating function to improve quick start characteristics. However, it is still difficult to achieve quick start and warm up for engines used in winter and cold regions. On the one hand Due to the physical properties of diesel oil, when the temperature in ...

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): F02N19/02
Inventor 贾殿臣王国清
Owner GREAT WALL MOTOR CO LTD
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