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研究生:劉凱民
研究生(外文):Kai-Min Liu
論文名稱:手持裝置無線充電平台研製
論文名稱(外文):Design of wireless charging pad for handheld devices
指導教授:陳志榮陳志榮引用關係
指導教授(外文):Chih-Jung Chen
學位類別:碩士
校院名稱:國立臺灣海洋大學
系所名稱:通訊與導航工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:78
中文關鍵詞:非接觸式電力傳輸系統電磁感應技術無線功率傳輸阻抗匹配電路
外文關鍵詞:contactless power transmission systemelectromagnetic inductionwireless power transmissionimpedance matching circuit
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本文主旨在於研究非接觸式電力傳輸系統效能,設計並實作一個無線充電平台,針對手持式電子產品進行充電,充電平台的大小為310mm x 230mm x 20mm。充電平台和手持式電子產品二者之間是利用電磁感應技術傳輸電力,搭配上一個LC共振器提高傳輸效能,達到無線功率傳輸。
無線充電平台共分三部分:初級側發射端驅動電路,耦合共振線圈,次級側接收端整流電路。經由實測驗證,次級測負載最大輸出功率可達0.6W(4V 150mA),整體最佳操作效率為30%。將手持式裝置擺設於無線充電平台不同位置上,其整體平均操作效率亦可維持在20%以上。未來本充電系統可透過設計適當的次級側線圈及阻抗匹配電路,以滿足不同手持式裝置的充電需求。

This thesis is to study the contactless power transmission system performance, and design a wireless charging pad for handheld devices. The size of charging platform is 310mm x 230mm x 20mm. By using electromagnetic induction, it could achieve wireless power transmission between charging pad and handheld devices. Additionally, an LC resonator is added to improve transmission performance, and to achieve wireless power transmission.
Wireless charging pad consists of three parts: the primary side of the transmitter driver circuit, coupled resonance coil and the secondary side of the receiver-side rectifier circuit. Experimental results show that the charging pad has a maximum DC output power of 0.6W (4V 150mA) and a maximum operating efficiency of 30%. When the handheld device is placed in different locations of the wireless charging pad ,the average operating efficiency can be maintained above 20%. In the future one can design appropriate secondary-side circuits and impedance matching circuit to meet the charging requirements for different handheld devices.

目錄
中文摘要...................................................i
英文摘要..................................................ii
目錄.....................................................iii
圖目錄...................................................vii
表目錄.....................................................x
第一章 緒論
1.1研究背景..........................................1
1.2研究動機..........................................2
1.3研究方法..........................................3
1.3.1電磁感應技術................................4
1.3.2磁能共振技術................................5
1.3.3電磁波接收技術..............................6
1.3.4太陽能接收技術..............................6
1.4論文架構..........................................7
第二章 無線充電平台系統原理和架構
2.1電磁理論..........................................9
2.1.1安培定律....................................9
2.1.2 比爾沙瓦定律..............................10
2.1.3法拉第定律.................................11
2.1.4馬克斯威爾方程式...........................12
2.2線圈與電感.......................................14
2.2.1自感和自感器...............................15
2.2.2互感和互感器...............................16
2.3無線充電平台系統架構.............................18
第三章 耦合線圈設計
3.1概述.............................................20
3.2雙埠網路散射參數.................................20
3.3雙埠網路功率增益.................................21
3.3.1雙埠網路穩定性.............................23
3.4耦合線圈實作與量測...............................24
3.4.1耦合線圈架構設計...........................24
3.4.2量測耦合線圈之電感.........................25
3.4.3耦合共振電路設計...........................28
3.4.4量測耦合線圈傳輸功率之散射參數特性.........30
3.5耦合線圈最佳傳輸效率計算.........................31

第四章 硬體電路設計
4.1概述 ............................................34
4.2初級側發射端驅動電路 ............................37
4.2.1振盪器基本電路.............................37
4.2.2 Class D Power Amplifier(PA) ..................38
4.3阻抗匹配電路.....................................39
4.4次級側接收端整流電路.............................39
4.4.1整流電路...................................40
4.4.2電源濾波電路 ..............................41
4.5硬體電路設計結果.................................43
4.5.1初級側發射端驅動電路設計...................43
4.5.2次級側接收端整流電路設計...................44
4.5.3無線充電平台硬體成果.......................46
第五章 無線充電平台實驗結果
5.1概述.............................................50
5.2實驗結果.........................................50
5.3無線充電平台功率整體操作效率.....................51

第六章 結論與未來展望.....................................55
參考文獻..................................................56
附錄A


參考文獻
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