本文關(guān)鍵詞： 往復(fù)式壓縮機 泄漏故障 聲發(fā)射技術(shù)　出處：《電子科技大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

【摘要】：往復(fù)式壓縮機是工業(yè)上應(yīng)用很廣的一種重要的機械設(shè)備,其結(jié)構(gòu)復(fù)雜、零部件多、工作強度大,往往某一個組件發(fā)生故障就會造成壓縮機的癱瘓。而往復(fù)式壓縮機一般都處在工業(yè)上的重要環(huán)節(jié),往復(fù)式壓縮機的癱瘓就會造成整套設(shè)備或生產(chǎn)線的停車,造成無法估量的損失。對于這類重型機械,故障或停車的發(fā)生甚至可能會威脅人身安全。而往復(fù)式壓縮機的泄漏故障,即氣閥漏氣的故障,占了往復(fù)式壓縮機總故障率的60%~70%,對往復(fù)式壓縮機泄漏故障的檢測的重要性不言而喻。在此背景下,本文針對往復(fù)式壓縮機的工作模式及其泄漏故障的原理,以聲發(fā)射檢測技術(shù)為手段,設(shè)計一套往復(fù)式壓縮機泄漏故障檢測系統(tǒng),并研制出一臺往復(fù)式壓縮機泄漏故障診斷儀。具體工作如下:1.首先闡述了往復(fù)式壓縮機泄漏故障診斷的研究意義,并通過查閱文獻對該領(lǐng)域國內(nèi)外研究現(xiàn)狀進行了調(diào)研。得出往復(fù)式壓縮機的主要故障就是泄漏故障,而造成往復(fù)式壓縮機泄漏故障的主要原因就是氣閥的漏氣故障的結(jié)論。確定了研究對象,為儀器的研發(fā)指明了方向。2.對往復(fù)式壓縮機的結(jié)構(gòu)及其工作原理、氣閥的結(jié)構(gòu)及其工作原理進行了闡述,在對泄漏原理進行了詳盡的分析之后,提出了基于聲發(fā)射技術(shù)的泄漏診斷的總體解決方案。3.完成各系統(tǒng)模塊設(shè)計,主要包括信號采集系統(tǒng)、數(shù)據(jù)處理系統(tǒng)。其中信號采集系統(tǒng)集成了傳感器、信號調(diào)理、AD轉(zhuǎn)換、數(shù)據(jù)傳輸?shù)裙δ�。�?shù)據(jù)處理系統(tǒng)是一個通用數(shù)據(jù)處理平臺,集成了數(shù)據(jù)傳輸與存儲、LCD顯示、觸摸屏、USB、串口等多種接口和功能。4.對數(shù)據(jù)分析與處理的算法進行研究,研究了一種針對往復(fù)式壓縮機泄漏故障的高效的算法,并通過實驗驗證了算法的可靠性。
[Abstract]:Reciprocating compressor is an important kind of mechanical equipment which is widely used in industry. Its structure is complex, its parts are many, and its working intensity is large. Often a failure of a component will lead to the compressor paralysis. Reciprocating compressor is generally in an important part of the industry. The paralysis of reciprocating compressor will cause the whole equipment or production line to stop. For such heavy machinery, failure or shutdown may even threaten personal safety. The leakage failure of reciprocating compressors, that is, gas valve leakage fault. The total failure rate of reciprocating compressor is 60 / 70. The importance of detecting leakage fault of reciprocating compressor is self-evident. In this paper, according to the working mode of reciprocating compressor and the principle of leakage fault, a leak fault detection system of reciprocating compressor is designed by means of acoustic emission detection technology. And developed a reciprocating compressor leakage fault diagnosis instrument. The specific work is as follows: 1. First, the research significance of reciprocating compressor leakage fault diagnosis is expounded. And through the literature review of the domestic and foreign research status quo in this field, it is concluded that the main fault of reciprocating compressor is leakage fault. The main reason of leakage fault of reciprocating compressor is the conclusion of gas leakage fault. The research object is determined and the direction of instrument development is pointed out. 2. The structure and working principle of reciprocating compressor are discussed. The structure of the valve and its working principle are described. After the detailed analysis of the leakage principle, the overall solution of leak diagnosis based on acoustic emission technology is put forward. 3. The design of each system module is completed. It mainly includes signal acquisition system, data processing system, which integrates sensor, signal conditioning AD conversion, data transmission and other functions. Data processing system is a general data processing platform. Integrated data transmission and storage LCD display, touch screen USB, serial port and other interfaces and functions. 4. Research on the algorithm of data analysis and processing. An efficient algorithm for leakage fault of reciprocating compressor is studied, and the reliability of the algorithm is verified by experiments.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TH45

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