Performance test signal collection device of marine diesel engine valve actuating mechanism

A marine diesel engine and valve train technology, which is applied in the direction of internal combustion engine testing, etc., can solve the problems of no test device for valve train kinematics and dynamic performance testing, and few valve train kinematics and dynamic performance tests, etc., to achieve Ease of test data analysis, high efficiency, and strong portability

Active Publication Date: 2012-09-19
CHINA SHIPBUILDING INDUSTRY CORPORATION
View PDF4 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The performance research of the valve mechanism is an important part of the performance research of the marine diesel engine. At present, people usually use the pure simulation test bench test or the engine reverse drag test for the valve mechanism test. The performance of the valve mechanism on the actual engine There are few kinematics and dynamics performance tests, and there is no test device for valve train kinematics and dynamics performance tests that can be directly applied to actual engines

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
  • Performance test signal collection device of marine diesel engine valve actuating mechanism
  • Performance test signal collection device of marine diesel engine valve actuating mechanism
  • Performance test signal collection device of marine diesel engine valve actuating mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] see figure 1 As shown, according to the test principle, the signal acquisition device for the kinematics and dynamic performance test of the valve train is integrated. The test device includes: a plurality of test sensors (including acceleration, displacement, strain, crank angle and top dead center signal), a dynamic signal acquisition system (including an integrated signal amplification conditioning unit, a signal acquisition unit), and the plurality of test sensors It is connected with the gas distribution mechanism to be tested, and transmits the tested signal to the dynamic signal acquisition system.

[0018] Among the multiple test sensors, the piezoelectric acceleration sensor is used to measure the valve acceleration, the eddy current displacement sensor is used to measure the dynamic valve clearance, the laser displacement sensor is used to measure the valve displacement, and the strain gauge (flower) is used to measure the push rod, rocker, etc. The force of ...

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 kinetics and dynamics performance test signal collection device of a marine diesel engine valve actuating mechanism. The device comprises multiple test sensors, a dynamic signal collection system and a computer, wherein the multiple test sensors are connected with a valve actuating mechanism to be tested and are used for collecting the accelerated speed, the displacement, the strain, a crank angle and a top dead center signal of the marine diesel engine valve actuating mechanism; the dynamic signal collection system is connected with the multiple test sensors and is used for amplifying and filtering collected signals; and the computer is connected with the dynamic signal collection system and is used for analyzing and processing the collected signals and displaying and recording a curve of the collected signals changed along with the crank angle. The performance test signal collection device of the marine diesel engine valve actuating mechanism, disclosed by the invention, can carry out synchronous test for multiple parameters such as the kinetics and the dynamics of the diesel engine valve actuating mechanism.

Description

technical field [0001] The invention relates to the field of testing kinematics and dynamic performance of a valve mechanism of a marine diesel engine, in particular to a signal acquisition device for testing the kinematics and dynamic performance of a valve mechanism of a marine diesel engine. Background technique [0002] The performance research of the valve mechanism is an important part of the performance research of the marine diesel engine. At present, the test of the valve mechanism is generally carried out by pure simulation test bench test or engine reverse drag test. The performance of the valve mechanism on the actual engine There are few kinematics and dynamics performance tests, and there is no test device for valve train kinematics and dynamics performance tests that can be directly applied to actual engines. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a marine diesel engine valve mechanism kin...

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): G01M15/05
Inventor 王宇业成晓北梁刚杜一叶斌黄立胡云贺林
Owner CHINA SHIPBUILDING INDUSTRY CORPORATION
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