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研究生:尤宗旗
研究生(外文):Tzong-Chee Yo
論文名稱:生醫微波無線充電系統
論文名稱(外文):Implementation of Biomedical microwave wireless charge system
指導教授:羅錦興羅錦興引用關係
指導教授(外文):Ching-Hsing Luo
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電機工程學系碩博士班
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:2003
畢業學年度:91
語文別:中文
論文頁數:66
中文關鍵詞:無線功率傳輸微波整流天線二極體無線充電
外文關鍵詞:WPTRF-DCschottky barrier dioderectifyrectennamicrowavewireless powering
相關次數:
  • 被引用被引用:11
  • 點閱點閱:634
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本論文的第一部分在描敘無線充電系統的主要幾個元件所扮演的角色與設計方法,分別為發射端的RF信號源、功率放大器、發射的dipole天線,以及接收端的接收patch天線、高敏靈度射頻整流電路倍壓器、電壓調節器、電池電壓紀錄器及充放電曲線紀錄繼分析程式。
目前已實現的充電系統為916.5MHz頻段的無線功率充電系統,信號源採用的是文星的ASK調變的射頻模組,將欲發送的信號調變至916.5MHz頻段,此一模組最大發射功率為4dBm,經由RFMD型號為RF2173的功率放大器放大26dB後,發送30dBm功率至天線。接收端主要是由rectenna及充電裝置組成。Rectenna是Rectify antenna的簡稱,乃由一天線及高頻整流電路所構成,高頻整流電路能夠將微波信號經由Schottky barrier diode整流成直流電源,在此所使用二極體型號為Hitachi的1SS106的二極體,此一二極體普遍使用於RF detector及High speed switch上,藉此作為無線功率傳送研究的開端,目前發展出以此二極體作為Rectenna有916.5MHz與2.45GHz頻段,能夠有效地將射頻能量轉成直流電源,以供充電之使用。在充電應用上,本團隊與化工系的鋰電池研究結合,並討論無線充電對於鋰電池的各種效應與現象,並紀錄電池在充電過程中的電壓變化曲線,同時控制充電放電,以供研究人員有效率地分析電池的各種參數。
  第二部份則專門討論整流電路的各種實驗結果與設計方法,利用Agilent Network Analyzer量測出二極體的串聯小信號模型,再使用適當的匹配網路將微波導入Voltage Doubler架構的二極體中,再比較此一二極體在適當匹配後於不同頻段的差異,在實驗中,發現到二極體在不同的輸入功率下,將會明顯的等效阻抗改變,此一特性在實際應用上將有很大的影響,這將是一個值得探討改進的題目。
The first section of this thesis is describing the main components of wireless powering system, the roles that they perform in this system and the design method of them. The components of transmitter of this system are RF (Radio Frequency) signal generator, RF power amplifier and dipole antenna. At receiver, the components are spiral antenna, high sensitivity RF rectify circuit, voltage regulator, battery charging, discharging curve acquisition circuit and Labview analyzing program.
The realized charging system is wireless powering charging, discharging system at 916.5MHz. The signal source of this system is ASK RF modulator which modulating base band signal to 916.5 MHz. The measured maximum output power of this ASK modulator is 4 dBm. By using the 800~950MHz power amplifier of RFMD to add 26 dBm, the output power is up to 30dBm to be transmitted to the antenna. And the receiver mainly consists of rectenna and charge circuit. The rectenna is the abbreviation of rectify antenna composed of one receiving antenna and RF rectify circuit. The RF rectify circuit can rectify microwave by Schottky barrier diode to DC source. The Schottky barrier diode used here is HITACHI diode of 1SS106. This diode is usually used as RF detector or high-speed switch. The completion of this charge system can be the begging of the research of wireless powering. The developed rectenna are at 915MHz and 2.44GHz that can rectify the RF electromagnetic wave to DC. The rectenna can be used to charge with a regulator. In the charging application, we cooperate with chemical engineering to research the effect of wireless charging and discharging of Lithium Ion battery by recording the voltage curve of that battery. Let the researcher to analyze the characteristic of that battery easily.
The second section of this thesis is focused on the design method of rectify circuit. Making use of Agilent Network Analyzer to get the S-parameter of the diode to design the matching network from antenna to diode, then comparing the difference at different frequency. In experiment, we find that the diode has different impedance at different power level. This characteristic of diode will have significant influence in practical situation. This will be a good project to be discussed in the future.
中文摘要 IV
英文摘要 V
誌謝 VI
目錄 VII
圖目錄 IX
第一章 序論 1
1-1 前言 1
1-2研究動機 1
1-3 研究目的 4
1-4 章節提要 5
第二章 整流天線系統概要與理論基礎 6
2-1無線功率傳輸簡介 6
2-2 Rectenna 設計與基本原理 9
2-3 Rectenna的元件 10
2-3-1接收天線 10
2-3-2低通濾波器 12
2-3-3 Rectify Diode(整流二極體)13
2-3-4 Output RF Filter (Output DC Pass Filter) 17
2-3-5負載 17
2-4 WPT系統配置 18
第三章 高靈敏度射頻整流電路設計與量測 23
3-1二極體的量測 23
3-1-1 916.5MHz整流電路設計 24
3-1-2 2.44GHz整流電路之設計 28
3-2等效阻抗與輸入功率的關係 32
3-3整流電路之量測-效率、輸出直流電壓與靈敏度 35
第四章 無線充電系統架構與實作 40
4-1目的 40
4-2無線充電系統架構 40
4-2-1功率放大器-RFMD-RF2173 41
4-2-2螺旋型整流天線 47
4-2-3無線充電裝置配置 49
4-2-4類比數位轉換器及 Labview 圖控程式 51
4-2-5充電與放電曲線 53
第五章 結論與未來展望 57
5-1 結論 57
5-2 改善空間與未來的發展 58
參考文獻 59
附錄 61
附錄一 62
自述    66
[1] Dong-Gi Youn, Yang-Ha Park, Kwan-Ho Kim, Young-Chul Rhee, 1999,“A Study on the Fundamental Experiment for Wireless Power Transmission System,”IEEE TENCON,0-7803-5739-6
[2] Yang-Ha Park, Dong-Gi Youn, Kwan-Ho Kim, Young-Chul Rhee, 1999, “A Study on the Analysis of Rectenna Efficiency for Wireless Power Transmission”, Proceedings of the IEEE Region 10 Conference, vol.2, pp. 1423 —1426
[3] Dong-Gi Youn, Yang-Ha Park, Kwan-Ho Kim, Young-Chul Rhee,1999, “A Study on 2.45GHz Microwave-DC Conversion Fundamental Wireless Power Transmission Experiment”, KICS Paper, Vol. 24, No.3 pp. 434-441
[4] Shao Gang Hu, Tse-Chuan Chou, Bing Joe Hwang , 2003,“Performance of Sine-Wave charging for Lithium Ion Battery”, The first International Meeting on Microsensors and Microsystems, 132-134
[5] Jame O, McSpadden, Lu Fan, and Kai Chang, 1998, “Design and Experiment of a High-Conversion Efficiency 5.8-GHz Rectenna” ,IEEE TRANSACTIONS ON MOCROWAVE THEORY AND TECHNIQUES,VOL. 46, NO. 12,
[6] James O. McSpadden, Taewhan Yoo, and Kai Chang, 1992, “Theoretical and Experimental Investigation of a Rectenna Element for Microwave Power Transmission”, IEEE TRNSACTION ON MICROWAVE AND TECHNIQUE, VOL. 40 NO. 12
[7] Young-Ho Suh, Student Member, IEEE, and Kai Chang, Fellow, IEEE,” A High-Efficiency Dual-Frequency Rectenna for 2.45-and5.8-GHz Wireless Power Transmission”, IEEE Transaction on Microwave Theory and Techniques, Vol, 50, No. 7, JULY 2002
[8] Kazuya Goto, Tetsuya Nakagawa, Osamu Nakamura, andSatoshi Kawata, 2001, “An Implantable Power Supply with an Optically”, IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, VOL. 48, NO. 7, 830-833
[9] Tae-Whan Yoo and Kai Chang, 1992,” Theoretical and Experiment Development of 10 and 35GHz Rectenna”, IEEE Transaction on Microwave Theory and Techniques, Vol, 40, NO. 6, JUNE 1992
[10] William C. Brown, 1984, “The History of Power Transmission by Radio Waves”, IEEE Trans. Microwave Theory Tech., vol. MTT-32, no. 9, 1230-1242.
[11] David M. Pozar,” Microwave Engineering”, John Wiley & Sons, 1998
[12] 3 V GSM Power Amplifier by RF Micro Devices, http://www.rfmd.com/index.asp
[13] “1SS106 Silicon Schottky Barrier Diode for Various Detector, High Speed Switching”, by HITACHI
[14] 盧明智, 黃敏祥, “OPAMP 應用+實驗模擬”, 全華科技圖書股份有限公司
[15] 謝澄漢, 余耀銘, ”PIC 單晶片理論與實作,” 益眾資訊有限公司
[16] 王正男, 惠汝生, “自動量測系統─Labview,” 全華科技圖書股份有限公司印行
[17] 蕭子健, 儲昭偉, 王智昱, “LabVIEW 基礎篇” 高立圖書有限公司
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