Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/4231
標題: 流體驅動之電磁式能量產生器
Electromagnetic energy harvesting from fluid induced vibration
作者: 張愷恆
Chang, Kai-Hun
關鍵字: electromagnetic energy harvester
電磁式能量產生器
PE diaphragm
permanent magnet
solenoid
致動薄膜
永久磁鐵
螺旋線圈
出版社: 精密工程學系所
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摘要: 本文是探討電磁式能量產生器的機構,此電磁式能量產生器的主要作動方式為藉由頻率30Hz的脈衝馬達驅動工作流體,使工作流體呈週期性的流動讓幫浦腔體上致動薄膜產生週期性的上下往復運動,因此幫浦腔體內產生壓力週期性的變化,在薄膜上永久磁鐵的振動,使得螺旋線圈感應產生電壓的輸出。 模擬分析方面,使用國家高速網路與計算中心(NCHC)所提供的ABAQUS6.4有限元素分析模擬軟體來進行模擬,去模擬PE薄膜與永久磁鐵產生的位移。在螺旋線圈模擬方面,使用Ansoft軟體進行模擬分析,模擬螺旋線圈所感應到的電壓值。 製程方面,使用壓克力當材料,利用繪圖軟體SolidWorks設計流道腔體與放置線圈的支架結構,並藉由金屬微雕刻加工機加工出壓克力流道腔體與放置線圈支架結構。 量測部分,使用光感位移計量測PE薄膜振幅,並藉由NI PCI-5114示波器卡擷取螺旋線圈感應的電壓值,利用拉壓力計得到其薄膜和永久磁鐵的靜態位移量。使用壓力感測器量測其腔體中流體壓力。並將量測結果與模擬相比較。
This thesis aimed to discuss an electromagnetic energy harvester. Motion of a fluid driven by a 30 Hz pulse pump is used to activate the electromagnetic energy harvester. The periodic motion of the fluid in the chamber causes a harmonic vertical deflection in the diaphragm on which a permanent magnet is attached. Subsequently, the vibration of this magnet induces an output voltage in a solenoid hanging above it. In simulation, ABAQUS 6.4 finite element method simulation software provided by NCHC was utilized to simulate the displacement of PE film and the permanent magnet. The induced voltage in the solenoid is calculated by using Ansoft Maxwell 10.0. In the fabrication process, acrylic was used as material for the fluidic chamber. The chamber was designed in a commercial CAD software, SolidWorks 2006. The design was then fabricated by a CAM machine, PNC-3100 metal micro manufacturing machine. In the measurement, the dynamic deflection of the PE diaphragm is measured by a fiber optic sensor and the induced voltage from the solenoid is measured by using a digitizer NI PCI-5114 (National Instrument). A force gauge is used to record the static deflection of diaphragm and magnet. The pressure in the chamber is measured by a pressure sensor. The experimental results are compared with the FEM analysis.
URI: http://hdl.handle.net/11455/4231
其他識別: U0005-2108200911110300
文章連結: http://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-2108200911110300
Appears in Collections:精密工程研究所

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