潤滑為機械設備運轉之命脈，因此潤滑油檢測為現今科技中重要的一環。檢測潤滑油中的鐵顆粒濃度，操作者可及早得知機械設備是否發生不正常磨耗。而檢測潤滑油的黏度可讓操作者得以監測潤滑油因環境因素產生劣化的程度，藉以確保潤滑油是否失去功效。本研究室於先前研究開發出一套可用於檢測潤滑油中磨耗顆粒含量及黏度之整合裝置原型機，使其能在一次操作程序內完成鐵顆粒濃度與油黏度檢測。本研究致力於改善此原型機，使整合裝置具備面板顯示功能與商品化。整合裝置的設計包含樣品油取樣單元、鐵顆粒量測單元、黏度量測單元、訊號擷取與LCD面板顯示器。
於鐵顆粒量測單元方面，採用霍爾IC作為感測元件。藉由感應磁極間磁通量因鐵顆粒堆疊產生之磁通密度變化來量測鐵顆粒濃度；黏度量測單元方面，利用活塞擠壓油壓缸內樣品油，並以負荷計量測活塞負荷值來量測油黏度。
將各單元整合為一檢測裝置，並確保各量測值不互相干涉。最後再擷取感應元件之訊號，處理後以LCD面板顯示樣品油黏度與鐵顆粒濃度。讓使操作者能直觀地得到量測結果。

Lubrication is the lifeblood of mechanical device during the operating conditions, so that the lubricating oil detection becomes one of an important modern technology. The operator can be as early as possible to know whether the abnormal wear occurs by detecting concentration of ferrous debris in the lubricating oil. Detecting the viscosity of lubricating oil can also allow the operator to monitor the deterioration degree of lubricating oil due to environmental factors, in order to ensure whether the lubricating oil losing its effectiveness. Our laboratory previously developed a prototype of integrated apparatus for detecting the concentration of ferrous debris and the viscosity of lubricant in a single process. This study focuses on improving this prototype, so that the apparatus possesses a LCD displayer and commercialization. The design of the integrated apparatus contains a sampling unit, a measurement unit of the ferrous debris concentration, a measurement unit of the viscosity, a data acquisition system, and LCD displayer panel.
In measurement unit of the ferrous debris concentration, Hall IC is used as a sensor to measure the concentration of ferrous debris by detecting the change of magnetic flux density between the magnetic poles due to the stacking of ferrous debris. In the measurement unit of the viscosity of the lubricating oils, the piston is used to squeeze the oil into the tank to measure the viscosity by detecting the load.
These two units are integrated into a measuring device, and there is no interference between the values measured by the Hall IC and the load cell. Finally, these two signals are fed to a personal computer for data analysis to obtain the concentration of ferrous debris and the viscosity of lubricant. Consequently, the operator can directly observe the measured results.

總目錄
誌謝 II
總目錄 III
圖目錄 VI
表目錄 IX
摘要 X
Abstract XI
第一章　緒論 1
1-1 潤滑經濟的崛起 1
1-2 潤滑油檢測的重要性 2
1-3 鐵相分析儀的發展 3
1-3-1 概述 3
1-3-2 非線上（off-line）鐵相分析儀的發展 5
1-3-3 線上（on-line）鐵相分析儀的發展 9
1-4 潤滑油黏度量測之重要性 11
1-4-1 潤滑狀態 11
1-4-2 現今常用之黏度計 13
1-5 鐵顆粒濃度與黏度之整合監測儀器 15
1-6 研究目標 17
第二章　檢測裝置設計理論 18
2-1 鐵顆粒量測單元 18
2-1-1 霍爾感測元件 18
2-1-2 鐵顆粒量測 20
2-1-3 電磁鐵設計規劃 23
2-2 黏度量測單元 28
2-2-1 黏度量測方式 28
2-2-2 本研究的量測方式 29
第三章 檢測系統設計與製作 32
3-1 整合系統概述 32
3-1-1 系統設計考量 32
3-1-1 系統設計考量 35
3-2 鐵顆粒量測單元 39
3-2-1 加工方法與過程 39
3-2-2 鐵顆粒製備 41
3-3 黏度量測單元 43
3-3-1 量測單元外觀 43
3-3-2 過行程保護電路 44
3-4 訊號擷取與LCD面板顯示 46
3-4-1 轉換流程 46
3-4-2 8051控制程式設計 52
3-5 量測元件 55
3-5-1 鐵顆粒量測元件 55
3-5-2 黏度量測元件 55
3-5-3 量測範圍與參數 56
3-5-4 訊號擷取電路 58
第四章 結果與討論 59
4-1 鐵顆粒濃度量測單元 59
4-1-1 鐵顆粒量測訊號波形 59
4-1-2 鐵顆粒量測單元校正曲線 61
4-2 黏度量測單元 62
4-2-1 黏度量測活塞負荷理論值 62
4-2-2 黏度量測訊號波形 63
4-2-3 黏度量測單元校正曲線 64
4-3 面板顯示部分 69
第五章　結論 70
參考文獻 71
附錄一 73

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