液態金屬線圈應用於發電機之研究

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姓名

魏子鈞(Zih-Jyun Wei) 查詢紙本館藏

畢業系所

機械工程學系

論文名稱

液態金屬線圈應用於發電機之研究

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摘要(中)

本研究利用液態金屬直寫製程，製作雙層PDMS薄膜包覆之液態金屬線圈，應用於旋轉發電機。線圈在設計階段時，依發電機磁鐵磁場分布規劃線圈直寫路徑，並根據線圈繞組感應電動勢數學模型分析不同匝數的性能差異，以選擇實際使用之匝數。接著使用有限元素模擬軟體驗證模型，最後透過實際製作線圈之量測結果，確認前面設計流程是否有效。實驗結果顯示當線圈與磁鐵間距為0.494 mm、轉速為3900 rpm時，線圈開路電壓振幅為187 mV，最大輸出功率為75.68 μW，加上倍壓電路後，輸出端開路電壓為1300 mVdc，最大輸出功率為13.31 μW。

摘要(英)

In this work, the liquid metal direct writing process is used to construct a dual-layer liquid metal coil which is embedded in the PDMS membrane. This dual-layer coil is used in a rotational energy harvester. During the design phase, the coil writing path was devised based on the magnetic field distribution of the ring magnet of the energy harvester. To choose a proper number of turns, an analysis was carried out and a comparison was made for the performance of the coil winding with different numbers of turns. The analysis was first done by following the mathematic model of the coil’s EMF and output power, then verified by using the finite element simulation software. Eventually, after the actual liquid metal coil was made, the experimental data of the coil was measured and served as proof of whether this coil design method is valid. With the coil at a distance of 0.494 mm with the magnet and a rotational speed of 3900 rpm, the experiment shows that the open-circuit voltage amplitude and maximum output power of the coil are 187 mV and 75.68 μW, respectively. Then the coil is connected with a voltage multiplier with the same operating conditions, the open-circuit voltage amplitude and maximum output power of the voltage multiplier are 1300 mVdc and 13.31 μW, respectively.

關鍵字(中)

★ 液態金屬
★ 軟性電路板
★ 旋轉發電機

關鍵字(英)

★ Liquid metal
★ Soft circuit board
★ Rotational generator

論文目次

一、緒論 1
1-1 前言 1
1-2 研究動機與目的 1
1-3 文獻回顧 3
1-3-1 電磁式旋轉發電機 3
1-3-2 不同換能機制 4
1-4 軟性、可伸縮電子元件 5
1-4-1 非液態金屬元件 5
1-4-2 液態金屬元件 7
1-5 論文架構 9
二、基礎理論 10
2-1 發電機運動方程式 10
2-2 線圈感應電壓、繞組因數 12
2-3 材料性質 18
2-3-1 液態金屬(eGaInSn) 18
2-3-2 PDMS 19
三、元件設計與製程 21
3-1 線圈路徑規劃 21
3-1-1 設計參數 21
3-1-2 線圈纏繞方式 22
3-1-3 運用繞組因數 23
3-1-4 端子路徑 26
3-2 製程介紹 27
3-2-1 金屬直寫壓力設定 27
3-2-2 直寫基板製備 29
3-2-3 液態金屬清潔方法 31
3-2-4 線路密封、薄膜組裝 32
3-2-5 端子連接導線 35
3-2-6 雙層線圈製作程序 36
3-2-7 線圈各層結構介紹 38
3-2-8 線圈線寬量測 39
四、發電模擬 40
4-1 模擬設定 40
4-2 模擬結果、分析 46
五、實驗架設與量測 53
5-1 實驗架設 53
5-2 電力調節電路 56
5-3 實驗結果 60
六、結論與未來展望 65
七、參考文獻 66

參考文獻

1. 馮耀鋆，「三維導電微成型技術開發應用於微機電系統之研究」，國立中央大學，博士論文，民國107年。
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指導教授

陳世叡(Shih-Jui Chen)

審核日期

2021-5-25

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