臺灣博碩士論文加值系統

本文旨在應用非接觸式電能傳輸技術於手機鋰電池之充電，並提出一通用型手機充電平台。所提充電平台係由數個罐型鐵芯組成，俾使置於其上之充電電路，得在容許位移距離內正常地充電。基於非接觸式感應結構存在較大氣隙，其電能轉換效果必然較差，充電平台中運用相鎖迴路控制將電路操作頻率維持於初級側諧振頻率之上，並結合單晶片控制電路調整充電平台待機時之功率損耗，藉以提高整體轉換效能。充電平台之次級側感應結構則利用印刷電路板線圈方式，大幅降低次級側電路厚度。經由實測驗證，在充電電流為200mA情況下，2.5mm氣隙之非接觸式感應結構其最大轉換效率達55%。

This thesis studies a charging method based on contactless power transmission techniques for lithium battery of cell-phone, and proposes a common charging platform. The charging platform is formed with several pot-cores, in order to the charging circuit put on the platform would work in permitting displacement. Because contactless inductive structure exist a large air gap, power transmission efficiency is poor. Phase-locked loop (PLL) is used to let operation frequency of circuit maintain on primary resonant frequency in charging platform. And input power loss is regulated by microchip when charging platform is idle, used to improve transmission efficiency. The inductive structure of secondary side is made by printed-circuit-board (PCB), which reduces thickness of secondary circuit. Experimental results show that the transmission efficiency between contactless inductive structures is 55% at charging current is 200mA and air gap is 2.5mm.

中文摘要 I
英文摘要 II
誌謝 III
目錄 IV
圖目錄 VII
表目錄 XI
第一章 緒論 1
1-1 研究背景與目的 1
1-2 研究方法 4
1-3 論文大綱 5
第二章 感應線圈基本特性及充電策略 7
2-1 前言 7
2-2 非接觸式電能傳輸基本原理 7
2-3 感應結構特性分析 10
2-4 感應線圈之渦電流效應 14
2-5 蓄電池充電技術 18
2-5-1 定電流充電法 18
2-5-2 定電壓充電法 18
2-5-3 混合式充電法 19
2-5-4 脈衝充電法 20
2-5-5 ReflexTM充電法 20
2-6 鋰電池充電 21
第三章 非接觸式充電系統 25
3-1 前言 25
3-2 系統整體架構規劃 25
3-3 感應線圈設計 28
3-4 感應線圈陣列 33
3-5 諧振電路設計 38
第四章 電路設計與硬體製作 41
4-1 前言 41
4-2 硬體電路架構 41
4-3 次級側電路 42
4-3-1 D類半橋式變流器 42
4-3-2 感應線圈驅動方式 47
4-3-3 PLL控制電路 50
4-3-4 非反向放大器電路 52
4-3-5 單晶片控制電路 53
4-3-6 半橋驅動電路 57
4-4 次級側電路 58
4-4-1 電壓調整電路 58
4-4-2 充電電路 60
4-4-3 次級側結構設計 62
4-5 非接觸式充電系統設計流程 62
第五章 模擬與實驗結果 66
5-1 前言 66
5-2 PSpice模擬 66
5-3 硬體電路製作 68
5-4 實驗結果量測 70
第六章 結論與未來研究方向 79
6-1 結論 79
6-2 未來研究發展 80
參考文獻 81
自傳 89

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