本文選題：滾動(dòng)軸承 + ZigBee　； 參考：《浙江理工大學(xué)》2011年碩士論文

【摘要】：作為旋轉(zhuǎn)機(jī)械中應(yīng)用最為廣泛的零部件之一,軸承的運(yùn)行狀態(tài)直接影響著整個(gè)系統(tǒng)的穩(wěn)定性。生產(chǎn)廠家對(duì)軸承的質(zhì)量檢測(cè)都比較重視,除了常規(guī)的生產(chǎn)過程質(zhì)量檢測(cè)外,有條件的地方還需要對(duì)軸承進(jìn)行全設(shè)計(jì)壽命的運(yùn)行試驗(yàn),本論文針對(duì)的就是這類試驗(yàn)系統(tǒng)。與對(duì)滾動(dòng)軸承運(yùn)行狀態(tài)進(jìn)行現(xiàn)場(chǎng)監(jiān)控報(bào)警的系統(tǒng)不同,本論文涉及到的滾動(dòng)軸承疲勞壽命測(cè)試系統(tǒng),主要完成對(duì)滾動(dòng)軸承從無損狀態(tài)一直運(yùn)轉(zhuǎn)到損壞的整個(gè)試驗(yàn)過程中振動(dòng)和溫度的數(shù)據(jù)采集、傳輸,對(duì)數(shù)據(jù)進(jìn)行分析,并提供在整個(gè)實(shí)驗(yàn)周期內(nèi)所有采集點(diǎn)數(shù)據(jù)的數(shù)據(jù)、圖形與聲音的再現(xiàn)能力。 本論文中數(shù)據(jù)從試驗(yàn)臺(tái)到監(jiān)控主機(jī)的傳輸采用Zigbee無線通訊方案實(shí)現(xiàn)。借用了其組網(wǎng)和網(wǎng)絡(luò)自愈機(jī)制,并在此基礎(chǔ)上完成數(shù)據(jù)校驗(yàn)重傳、對(duì)象字典定義等軟件機(jī)制,簡化布線、新測(cè)試節(jié)點(diǎn)動(dòng)態(tài)加入等工程應(yīng)用問題,增強(qiáng)了系統(tǒng)的靈活性。為每個(gè)試驗(yàn)臺(tái)搭配了一塊基于ARM9的嵌入式終端來完成數(shù)據(jù)的收集、監(jiān)測(cè)、波形顯示和傳輸控制,終端LCD會(huì)實(shí)時(shí)更新顯示采集到的振動(dòng)和溫度數(shù)據(jù),當(dāng)發(fā)現(xiàn)數(shù)據(jù)異常時(shí),終端將輸出控制指令直接停止試驗(yàn),從而避免在長期的壽命周期實(shí)驗(yàn)中人工安排的難題;終端將各自測(cè)試軸承的振動(dòng)和溫度數(shù)據(jù)上傳到監(jiān)控主機(jī),上位機(jī)程序?qū)邮盏降臄?shù)據(jù)進(jìn)行波形顯示、FFT變換、存儲(chǔ),并根據(jù)數(shù)據(jù)異常情況自動(dòng)或手動(dòng)下傳控制命令到終端來控制試驗(yàn)進(jìn)程。 在初步試驗(yàn)中,本系統(tǒng)運(yùn)行穩(wěn)定,在ZigBee協(xié)議棧及上層重傳機(jī)制的保障下,系統(tǒng)無線網(wǎng)絡(luò)能持續(xù)穩(wěn)定完成數(shù)據(jù)傳輸任務(wù),保證了采集終端與主控機(jī)的交互通訊。上位機(jī)程序提供了必要的交互界面,方便查看數(shù)據(jù)內(nèi)容以及對(duì)終端下傳控制指令。上位機(jī)程序能對(duì)被測(cè)軸承的整個(gè)壽命周期不同階段的數(shù)據(jù)實(shí)現(xiàn)分析和存儲(chǔ)以及振動(dòng)聲音回放,為人工分析被測(cè)軸承的失效過程,以及可能的更深層次理論研究提供數(shù)據(jù)支持。
[Abstract]:As one of the most widely used parts in rotating machinery, the running state of bearings directly affects the stability of the whole system.The manufacturers pay more attention to the quality testing of bearings. Besides the conventional quality testing in the production process, there is also a need for the operation test of the full design life of the bearings in the conditional places. This paper aims at this kind of test system.Different from the field monitoring and alarm system for rolling bearing running state, this paper relates to the rolling bearing fatigue life test system.It mainly completes the data acquisition, transmission and analysis of the vibration and temperature of the rolling bearing during the whole test process from the lossless state to the damaged state, and provides the data of all the points collected during the whole experiment cycle.The ability to reproduce graphics and sounds.In this paper, the transmission of data from test bench to monitor host is realized by Zigbee wireless communication scheme.Based on the network and self-healing mechanism, software mechanisms such as data verification and retransmission, object dictionary definition, simple routing, dynamic addition of new test nodes, and other software mechanisms are used to enhance the flexibility of the system.An embedded terminal based on ARM9 is used for each test bed to complete data collection, monitoring, waveform display and transmission control. The terminal LCD will update and display the collected vibration and temperature data in real time.The terminal stops the test directly with the output control instruction, thus avoiding the problem of manual arrangement in the long life cycle experiment; the terminal uploads the vibration and temperature data of each test bearing to the monitor host.The upper computer program transforms and stores the received data by waveform display FFT, and automatically or manually transmits the control command to the terminal according to the abnormal situation of the data to control the test process.In the preliminary experiment, the system runs stably. Under the guarantee of the ZigBee protocol stack and the upper layer retransmission mechanism, the wireless network of the system can continuously and stably complete the task of data transmission, and ensure the interactive communication between the acquisition terminal and the master computer.PC program provides the necessary interactive interface, easy to view the data content and control instructions to the terminal down.The upper computer program can analyze and store the data in different stages of the whole life cycle of the tested bearing and playback the vibration and sound to provide data support for the manual analysis of the failure process of the tested bearing and the possible deeper theoretical research.
【學(xué)位授予單位】：浙江理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類號(hào)】：TH133.3;TP274.2

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