Method and device for controlling engine oil pressure of diesel engine and generator set

A technology of oil pressure and control method, applied in the direction of controlling the pressure of lubricant, can solve the problems of long time and inability to meet, and achieve the effects of low cost, simple and compact structure, good lubrication and cooling effect

Active Publication Date: 2015-04-22
CRRC DALIAN CO LTD
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the conventional "heating" method takes too long, and often cannot meet the requirements of these power generation markets in terms of time and light oil consumption indicators

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
  • Method and device for controlling engine oil pressure of diesel engine and generator set
  • Method and device for controlling engine oil pressure of diesel engine and generator set

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] See attached figure 1 , the diesel engine oil pressure control method of this embodiment starts from box 1 and enters box 2 to set the corresponding relationship between the relief pressure threshold of the oil system and the change of oil temperature: when tO , p=P O ; when T O ≤tC , p=P O +k△t; when T C ≤t, p=P O +kT C ; Among ...

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 relates to a method and device for controlling the engine oil pressure of a diesel engine and a generator set. The corresponding relation of the overflow pressure threshold, changing along with the temperature of engine oil, of an engine oil system is set, wherein when t is smaller than TO, p is equal to PO, when t is larger than or equal to TO but smaller than TC, p is equal to PO+kdeltat, and when t is larger than or equal to TC, p is equal to PO+kTC; after the diesel engine is started, the diesel engine can be loaded to reach the working condition with the rated rotating speed or the rotating speed smaller than the rated rotating speed, meanwhile, the real-time overflow pressure threshold is obtained according to the corresponding relation, and the engine oil pressure of the engine oil system is regulated. According to the control device for achieving the method, a temperature control valve can be connected with an overflow pressure reducing valve in parallel, and the temperature control valve is initially in a starting state and is gradually closed along with the gradual rising of the engine oil temperature. The structure is simple and compact, and cost is low. The initial pressure of the engine oil system after engine starting is regulated continuously along with the change of the engine oil temperature, parts such as a supercharger and an oil injection pump cannot be damaged, meanwhile, the lubricating and cooling effects are reliably ensured, the time for warming-up is saved, and the light oil saving effect of a heavy oil unit is especially obvious.

Description

technical field [0001] The invention relates to a diesel engine oil pressure control method, device and generator set, belonging to the technical field of diesel engines. Background technique [0002] The oil system of a diesel engine is mainly composed of main engine oil pump, starter oil pump, oil filter, overflow valve, oil heater, pipeline and other components. When the engine is started, the engine oil is pumped out from the oil pan by the starter oil pump, flows into the fuel injector, the main bearing bush, the supercharger and other parts that need to be lubricated and cooled, and then returns to the oil pan. After the start-up is completed, the main engine oil pump drives the engine oil to lubricate and cool all parts. Since the oil temperature is low and the viscosity is high when the engine is started, it will rise directly from idle speed to rated speed after starting, and high pressure will be generated in the oil pipeline, which will easily damage the turbocha...

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): F01M1/16
CPCF01M1/16
Inventor 姜旭龙邢淑梅杨晓芳
Owner CRRC DALIAN 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