Turbine blade vibration parameter analysis method and analysis device

A technology for turbine blades and vibration parameters, which is used in measurement devices, vibration measurement, vibration measurement in solids, etc., can solve the problems of unsatisfactory monitoring results accuracy, difficult installation, and increased cost.

Active Publication Date: 2018-12-14
BEIJING UNIV OF CHEM TECH
View PDF7 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual turbine unit, it is difficult to install the key-phase sensor to obtain the key-phase value (such as an aeroengine equipped with no key-phase sensor), and the accuracy of the monitoring results is not ideal due to the influence of environmental factors, adding additional cost

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
  • Turbine blade vibration parameter analysis method and analysis device
  • Turbine blade vibration parameter analysis method and analysis device
  • Turbine blade vibration parameter analysis method and analysis device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0065] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without...

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

Embodiments of the invention provide a turbine blade vibration parameter analysis method and analysis device. A reference blade is selected from the blades of a turbine, and the other blades are usedas calculation blades; the vibration parameters of all the blades are calculated by taking rotation parameters of the two types of blades as calculation factors, so that the introduction of a key phase sensor in a traditional blade vibration monitoring system is omitted, measurement error caused by inaccurate key phase reference is avoided, the installation workload is reduced, and the monitoringcost is lowered; and therefore, the vibration condition of the turbine blades can be monitored conveniently, the accuracy of monitoring is improved, and the possibility that the whole blade monitoringsystem is crashed due to the fact that the key-phase sensor breaks down is avoided.

Description

technical field [0001] The present application relates to the technical field of vibration monitoring of rotating blades, in particular to a method and device for analyzing vibration parameters of turbine blades. Background technique [0002] Turbines are key equipment for national defense and industrial production, and blades are the core components of turbines, and their health status is of great significance to the safe, smooth and efficient operation of turbines. During the operation of the turbine, the blades are subjected to complex impact loads, which are prone to vibration problems, and fatigue fracture failures and accidents caused by blade vibration are particularly prominent. Therefore, it is necessary to monitor the vibration of the blades. By tracking the changes of vibration parameters such as the vibration amplitude and frequency of the blades, the purpose of early warning of faults can be achieved. [0003] At present, most of the monitoring of turbine blade...

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): G01H1/04
CPCG01H1/04
Inventor 王维民张旭龙任三群陈康
Owner BEIJING UNIV OF CHEM TECH
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