具拉伸性之低頻振動發電機

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姓名

藍貫睿(Guan-Ray Lan) 查詢紙本館藏

畢業系所

機械工程學系

論文名稱

具拉伸性之低頻振動發電機

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摘要(中)

本研究製作出具有拉伸性的低頻振動發電機，由兩片具有平面螺旋導電線圈的彈性薄膜與銣鐵硼磁鐵組成，整個元件體積約為 12×50×14 ??3。本研究使用 PDMS製成彈性薄膜以及可隨容器體積變化的液態金屬作為發電機主要材料。利用電磁感應原理將振動源轉換為磁場變化，使液態金屬線圈產生感應電流與常見使用剛性材料製作的微型發電機相比，元件可以承受較大的應變。此論文對兩種形式的薄膜進行研究，第一種形式的薄膜在頻率為 26 Hz時，產生最大的平均開路電壓 0.55 mV，平均功率為 5.2 nW。第二種形式之薄膜在頻率為 20 Hz時，平均開路電壓 0.165 mV 平均功率 0.4325 nW。

摘要(英)

A stretchable low-frequency vibration generator, which consists of two elastic membranes with planar spiral conductive coils and neodymium magnets is fabricated. The entire element volume is about 12×50×14 ??3 . The principle of electromagnetic induction is used to convert the vibration source into a magnetic field change, which causes the liquid metal coil to generate an induced current. Compared with the common micro-generators made of rigid materials, the proposed design can withstand larger strains. Two types of the generators are characterized. The first type produces a maximum average open circuit voltage of 0.55 mV and an average power of 5.2 nW at a frequency of 26 Hz. The second type has an average open circuit voltage of 0.165 mV and an average power of 0.4325 nW at a frequency of 20 Hz.

關鍵字(中)

★ 液態金屬
★ 低頻
★ 振動式發電機
★ 電磁感應

關鍵字(英)

★ Liquid metal
★ Low frequency
★ Vibration generator,
★ Electromagnetic induction

論文目次

摘要 i
ABSTRACT ii
致謝 iii
目錄 v
圖目錄 viii
表目錄 xiv
一、緒論 1
1-1 前言 1
1-2 研究動機與目的 1
1-3 機械能式微發電機文獻回顧 2
1-3-1 壓電式 2
1-3-2 靜電式 3
1-3-3 電磁式 4
1-4 機械能型微發電比較 5
1-5 軟性電子元件 6
1-6 文獻總結 8
1-7 論文架構 8
二、基礎理論 9
2-1 電磁感應 10
2-2 機械振動模型 13
2-3 發電機之機電轉換與功率分析 15
三、材料與製程 17
3-1 液態金屬 17
3-2 聚二甲基矽氧烷(Polydimethylsiloxane， PDMS）18
3-3 微結構製造方法 19
3-4 具有螺旋導電結構的軟性電子元件 21
3-4-1 製作模具 22
3-4-2 調製PDMS 24
3-4-3 製作具有螺旋微流道之軟性薄膜 25
3-4-4 進行密封 29
3-4-5 灌注液態金屬作為導電線圈 30
四、實驗架設與量測 32
4-1 開路電壓量測之實驗架設 32
4-2 開路電壓量測結果與討論 36
4-2-1 元件一量測 36
4-2-2 元件二量測 42
4-3 功率量測之實驗架設 47
4-3-1 螺旋線圈電阻值量測的結果與討論 48
4-3-2 元件一與元件二功率量測之實驗結果 49
4-4 結果與討論 57
五、結論與未來展望 58
5-1 結論 58
5-2 未來展望 59
六、參考文獻 60

參考文獻

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指導教授

陳世叡

審核日期

2020-8-18

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