臺灣博碩士論文加值系統

蠕動幫浦因為流體不與任何機械元件接觸，不用擔心流體受到汙染，因此在食品、化工、生物醫學等領域應用非常廣泛，但目前蠕動幫浦最主要的缺點是流體無法完全消除脈衝。
　　本研究係探討蠕動幫浦於輸送流體時，所產生之脈衝與回流的現象，進行系統的分析。定義管床五種區域，依據各區域之工作特性，針對不同管床形狀進行一系列的分析。藉由雷射雕刻加工技術製作出不同管床的幾何外形，由壓力量測可以了解管床內部壓力變化，試圖消除脈衝並尋求最佳的操作條件，達到穩定的輸出。
目前市售之蠕動幫浦轉子上的凸輪數從三個至十二個不等，因此本研究也嘗試改變轉子上的凸輪數量，觀察流量和穩定性的影響，製作轉子的凸輪數分別是三、四、五、六個，經實驗結果得知，三凸輪蠕動幫浦流量效率最佳，於是本實驗採用三個凸輪蠕動幫浦與市售蠕動幫浦及針筒幫浦做脈衝波動測試，在流量相同條件下，市售蠕動幫浦脈衝壓力值是本實驗設計曲率半徑R1.0mm蠕動幫浦脈衝壓力值約80倍，與市售蠕動幫浦比較下得到令人滿意的結果，在低轉速的情況，可擁有針筒幫浦般的輸出穩定度，因此本實驗設計蠕動幫浦有相當良好的操作條件。

There's don't worry about the fluid be polluted,because the perispaltic pump is not contact with any mechanical components,therefore,used to very extensive on foods、chemical and biomedical.But so far the main shortcomings of perispaltic pump is the fluid can not remove pulse completely.
This study explores the pulse and backflow phenomena occurred while fluid is transferred using a peristaltic pump, and systematic analyses are performed. The 5 areas of tube beds are defined. According to the properties of the areas, a series of analyses are performed for different shapes of tube beds. The laser engraving processing technology is used to create tube beds of different geometric shapes. By measuring pressure, the changes of pressure inside tube beds can be found. Then this study attempts to remove pulses and find the best operation conditions in order to obtain stable outputs.
Currently, there are usually 3 to 12 cams on rotors of peristaltic pumps in the market. This study tries to change the numbers of cams to find out the influences on flow and stability. The numbers of cams used in this study are 3, 4, 5, and 6.The result of the experiments shows that the best flow rate is achieved with the peristaltic pump with 3 cams. Therefore, this study conducts the pulse tests using the 3-cam peristaltic pump, the peristaltic pump sold in the market, and the syringe pump. Under the same flow rate, the pulse pressure of the peristaltic pump sold in the market is 80 times that of the peristaltic pump designed by this study with the curvature radius of R1.0mm. The result is satisfactory according to the comparison with the peristaltic pump sold in the market. Under low rotational speed, the output stability of the peristaltic pump designed by this study is as good as that of the syringe pump, so its operation conditions are very good.

摘要........................................i
Abstract...................................ii
誌謝.......................................iv
目錄........................................v
表目錄.....................................vii
圖目錄....................................viii
符號表.......................................x
第一章 緒論...................................1
1.1 前言.................................1
1.2 文獻回顧..............................3
1.3 研究目的..............................7
第二章 蠕動幫浦設計............................9
2.1 蠕動幫浦致動原理.......................9
2.2 研究及改良方法........................10
2.3 管床設計.............................10
2.4 凸輪時序.............................11
2.5 釋放曲率與壓力的變化..................12
2.5.1 徑向位移量.........................12
2.5.2各釋放曲率管床脈衝壓力值..............13
2.6 使用方法.............................13
第三章 蠕動幫浦製作...........................27
3.1 製作材料.............................27
3.2 製作流程與使用設備軟體介紹.............27
3.3 組合元件.............................29
第四章 結果與討論.............................34
4.1 脈衝波動測試.........................34
4.2 凸輪數量.............................35
4.3 選擇本實驗設計蠕動幫浦適合的馬達........35
第五章 結論................................ ..49
5.1 結論.................................49
5.2 未來展望..............................50
參考文獻......................................51

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