摘 要

汽輪鼓風(fēng)機(jī)組是工業(yè)領(lǐng)域的重要設(shè)備，由于機(jī)構(gòu)和系統(tǒng)的復(fù)雜性及運(yùn)行環(huán)境的特殊性，使得其故障率較高，且危害性較大。因此，汽輪機(jī)鼓風(fēng)組的診斷一直是故障診斷技術(shù)應(yīng)用的一個重要方面。同時，隨著計算機(jī)網(wǎng)絡(luò)技術(shù)的發(fā)展，故障診斷已經(jīng)有了網(wǎng)絡(luò)化的發(fā)張趨勢。在此背景下，本文提出汽輪鼓風(fēng)機(jī)組網(wǎng)絡(luò)化實時監(jiān)測及精密分析系統(tǒng)的初步設(shè)計。
汽輪鼓風(fēng)機(jī)組的振動故障類型很多，但幾種常見故障的發(fā)生率占了總數(shù)的95%以上。如果能對這些典型故障做出準(zhǔn)確的判斷，則足可以應(yīng)付生產(chǎn)實際的需要。第二章詳細(xì)介紹了它們的類型及振動特征。
汽輪鼓風(fēng)機(jī)組故障診斷技術(shù)主要是振動分析，第三章重點重點討論了幾種主要的精密分析方法，并選取其中的幾種應(yīng)用到本系統(tǒng)的開發(fā)中。
第四章在前兩章的基礎(chǔ)上，以Visual C++6.0軟件、SQL Server數(shù)據(jù)庫為平臺，針對某大型企業(yè)的實際情況，初步開發(fā)了一套汽輪鼓風(fēng)機(jī)組網(wǎng)絡(luò)化實時監(jiān)測及精密分析系統(tǒng)。最后對系統(tǒng)做了實例驗證并進(jìn)行了討論。


關(guān)鍵詞：汽輪鼓風(fēng)機(jī)組網(wǎng)絡(luò)化實時監(jiān)測及精密分析系統(tǒng)，網(wǎng)絡(luò)化技術(shù)，精密分析

















ABSTRACT

Turbo Blower Group is an important industrial areas of equipment, systems and institutions because of the complexity of the special nature and the environment, making their high failure rate, and the greater danger. Therefore, the diagnosis of Turbine Blast Group has been the fault diagnosis technology applications an important aspect. At the same time, with the development of computer network technology, network fault diagnosis has been made of the trend. In this context, this paper Turbo Blower Group network of sophisticated real-time monitoring and analysis system for the preliminary design.
Turbo-blower group of many types of vibration fault, but several common fault of the incidence of the more than 95 percent of the total. If these typical of the failure to make accurate judgement, sufficient to meet the actual needs of production. Chapter II described in detail their type and vibration characteristics.
Turbo Blower Group fault diagnosis technology is vibration analysis, the focus of Chapter 3 will focus on several key sophisticated analytical methods, and select one of several applied to the development of the system.
Chapter IV of the first two chapters, on the basis of the Visual C + +6.0 software, SQL Server database as a platform, against a large-scale enterprises of the actual situation, the initial development of a network of Turbo-blower group and sophisticated analysis of real-time monitoring system . Finally, the system made an example and discussed.

Key words：Network of sophisticated real-time monitoring and analysis system，Network Technology，Monitoring










目 錄

中文摘要 Ⅰ
ABSTRACT Ⅱ
1緒論 1
1.1課題的背景及研究意義 1
1.1.1課題的背景 1
1.1.2課題的研究意義 1
1.2國內(nèi)外現(xiàn)狀 1
1.2.1 汽輪鼓風(fēng)機(jī)組故障診斷研究現(xiàn)狀 1
1.2.2 振動信號精密分析方法研究現(xiàn)狀 2
1.2.3網(wǎng)絡(luò)化系統(tǒng)研究現(xiàn)狀 2
1.3本課題研究內(nèi)容 2
2 汽輪鼓風(fēng)機(jī)組常見故障及其振動特征 4
2.1汽輪鼓風(fēng)機(jī)組的故障特點 4
2.2轉(zhuǎn)子不平衡 4
2.3軸系不對中 6
2.4動靜碰摩 8
2.5油膜渦動及油膜振蕩 9
2.6葉片裂紋 11
3汽輪鼓風(fēng)機(jī)組故障信號分析方法研究 13
3.1時域分析 13
3.1.1時域波形分析 13
3.1.2軸心軌跡分析 14
3.2頻域分析 15
3.2.1頻譜圖分析 15
3.2.2頻譜細(xì)化分析 16
3.3其他分析方法 17
3.3.1倒頻譜分析法 17
3.3.2全息譜分析法 17
3.3.3趨勢分析法 18
3.3.4時頻分析 18
3.3.5幅值解調(diào) 18
3.4本章小結(jié) 19
4故障診斷系統(tǒng)構(gòu)建及其軟件設(shè)計 20
4.1故障診斷系統(tǒng)構(gòu)建 20
4.1.1系統(tǒng)的設(shè)計原則 20
4.1.2系統(tǒng)網(wǎng)絡(luò)結(jié)構(gòu) 20
4.1.3系統(tǒng)功能模塊設(shè)計 22
4.2系統(tǒng)軟件設(shè)計 23
4.2.1軟件主界面 23
4.2.2數(shù)據(jù)管理模塊 23
4.2.3精密分析模塊的 25
4.2.4實時監(jiān)測模塊 25
4.2.5儲存計劃模塊 26
4.3實例分析 26
4.3.1網(wǎng)絡(luò)化功能 26
4.3.2典型監(jiān)測診斷實例 26
4.3.3實例結(jié)果分析 29

5 結(jié)論和展望 31
致謝 33
參考文獻(xiàn) 34