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工程设计学报
工程设计学报  2019, Vol. 26 Issue (3): 354-363    DOI: 10.3785/j.issn.1006-754X.2019.03.015
整机和系统设计     
波纹补偿器故障诊断系统研制
倪洪启, 金驰, 冯霏
沈阳化工大学 机械工程学院， 辽宁 沈阳 110142
Development of fault diagnosis system for corrugated compensator
NI Hong-qi, JIN Chi, FENG Fei
School of Mechanical Engineering， Shenyang University of Chemical Technology， Shenyang 110142， China
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摘要：

波纹补偿器作为一种补偿元件被广泛应用于工业管道，用来补偿管道因温度、压力变化及振动等而产生的位移。为实时诊断波纹补偿器的故障情况，简化人工诊断过程，提高维修效率和维修安全系数，降低维修成本，设计了一种基于LabVIEW的波纹补偿器故障诊断系统。设计了波纹补偿器振动信号的采集方案，并进行了振动实验；利用高性能采集仪器与加速度传感器对整个管道系统中各个波纹补偿器振动信号进行采集，对采集到的信号进行过滤转换等处理并通过无线网络发送到计算机，并利用幅值域分析与快速傅里叶方法分析所采集的信号；将分析与处理后的信号实时显示在用户界面上并存储；当数据异常时发出警报，使工作人员能够实时监测波纹补偿器的工作状态，从而有效提高生产安全系数。结果表明，所设计的故障诊断系统可有效避免因波纹补偿器失效引发的事故，具有一定的实用价值。
关键词： LabVIEW;  加速度传感器;  振动信号;  波纹补偿器;  无线监测;  故障诊断    
Abstract:

Corrugated compensator is widely used in industrial pipeline as a compensation element to compensate the displacement caused by changes in temperature and pressure, vibration and other factors. In order to diagnose the fault of corrugated compensator in real time, simplify the manual diagnosis process, improve the maintenance efficiency and safety factor, and reduce the maintenance cost, a fault diagnosis system for corrugated compensator based on LabVIEW was designed. The vibration signal acquisition scheme of corrugated compensator was designed, and the vibration experiment was carried out. The vibration signals of every corrugated compensator in the whole pipeline system were collected by using high performance acquisition instrument and acceleration sensor, then the collected signals were filtered and converted and sent to the computer through wireless network. The collected signals were analyzed by amplitude range analysis and fast Fourier transform. Finally, the analyzed and processed signals were displayed on the user interface in real time and stored. When the data was abnormal, the alarm could be issued so that the working state of the corrugated compensator could be monitored in real time, thus effectively improving the production safety factor and effectively avoiding the accident caused by the failure of the corrugated compensator, which has certain practical value.
Key words: LabVIEW    acceleration sensor    vibration signal    corrugated compensator    wireless monitoring    fault diagnosis
收稿日期: 2018-10-29 出版日期: 2019-06-28
CLC:  TP 277  
基金资助:

辽宁省科学技术基金资助项目（20170540722）
通讯作者: 金驰（1994—），男，辽宁沈阳人，硕士生，从事机电一体化技术及应用研究，E-mail：635713218@qq.com，https://orcid.org/0000-0001-6018-9202     E-mail: 635713218@qq.com
作者简介: 倪洪启（1967—），男，山东临朐人，副教授，博士，从事机电一体化技术及应用研究，E-mail：nihongqi@163.com
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引用本文:

倪洪启, 金驰, 冯霏. 波纹补偿器故障诊断系统研制[J]. 工程设计学报, 2019, 26(3): 354-363.

NI Hong-qi, JIN Chi, FENG Fei. Development of fault diagnosis system for corrugated compensator. Chinese Journal of Engineering Design, 2019, 26(3): 354-363.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2019.03.015    或    https://www.zjujournals.com/gcsjxb/CN/Y2019/V26/I3/354

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