Engine inter-cooling device and control method thereof

A technology of engine and controller, applied in the direction of engine cooling, combustion engine, engine components, etc., can solve problems such as dissatisfaction, and achieve the effect of keeping temperature and flow constant

Active Publication Date: 2017-07-21
中汽研汽车检验中心(广州)有限公司
View PDF10 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the existing water-cooled intercoolers realize the temperature control after intercooling by directly controlling the flow or temperature of cooling water. These devices have not met the requirements of the test procedures in the national sixth-stage emission standards.

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
  • Engine inter-cooling device and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] 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.

[0035] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should no...

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 an engine inter-cooling device and a control method thereof. The inter-cooling device comprises an intercooler, a heat exchanger, a circulating water pump and a controller; a refrigerating fluid outlet pipe of the heat exchanger is provided with an electric proportional valve; an intercooler cooling fluid circulation loop is composed of the intercooler, the heat exchanger and the circulating water pump; the inter-cooling device also comprises a temperature sensor and a pressure sensor; an air outlet pipe of the intercooler is provided with a second electric proportional valve; the temperature sensor and the pressure sensor are both connected to the controller; the electric proportional valve, the circulating water pump and the second electric proportional valve are all controlled by the controller. Through the engine inter-cooling device and the control method thereof provided by the invention, the precise control of the temperature after pressurization and pressure difference before and after inter-cooling of the engine intercooler can be achieved; on the basis of ensuring a target value, the temperature of the cooling fluid of the inter-cooling device is more than a threshold value in the whole test cycle, and the temperature and flow are kept constant.

Description

technical field [0001] The invention belongs to the field of engines, and in particular relates to an engine intercooler and a control method thereof that meet the test requirements of the National VI emission standard. Background technique [0002] In order to increase the power per liter of the engine and reduce fuel consumption, the supercharger has been more and more widely used in the engine. After the engine is supercharged, the air temperature reaches 130°C to 150°C, or even higher. Studies have shown that for every 10°C drop in the intake air supercharging temperature, its density will increase by about 3%, and the thermal efficiency of the engine will increase by about 0.5%. In order to obtain a higher charge density in the cylinder and increase power, it is necessary to cool the supercharged air. The engine on the whole vehicle adopts air-to-air cooling, that is, cold air is used to cool the supercharged air. Water-to-air coolers are often used in engine bench te...

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
Patent Type & Authority Applications(China)
IPC IPC(8): F02B29/04F01P7/16
CPCF01P7/16F02B29/0443F02B29/0493F01P2060/02Y02T10/12
Inventor 景晓军银增辉李腾腾张琳刘振盛丁雨青付铁强
Owner 中汽研汽车检验中心(广州)有限公司
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