本文選題：感應耦合電能傳輸 + 電容補償��； 參考：《重慶大學》2014年碩士論文

【摘要】：經過多年的發(fā)展，無線電能傳輸(WPT)技術已經比較成熟。感應耦合電能傳輸(ICPT)技術是一種基于高頻電磁場近場耦合原理實現電能近距離無線傳輸的技術，由于不再使用導體連接，ICPT技術廣泛應用于家電、石油鉆井、植入醫(yī)療設備、電動汽車充電等行業(yè)。然而，在許多情況下，往往需要電能與信號的同步傳輸，電能為用電設備提供能量，信號傳遞控制指令和反饋信息。目前，分離機構的能量與信號傳輸技術已經十分成熟，而對能量與信號共用同一個傳輸通道的傳輸技術的研究還較少�，F有的對同一通道的能量與信號同步傳輸技術的研究更多側重于對于信號傳輸方法的研究，而對信號傳輸帶給能量傳輸的影響研究較少。 論文以某校企合作項目“XX電能信號耦合傳輸裝置開發(fā)”為背景，以感應耦合電能傳輸技術的理論為基礎，主要研究了基于頻率和相位調制的ICPT系統的信號雙向傳輸。 對于信號從原邊向副邊的正向傳輸，本文介紹了一種通過改變逆變器頻率并相應地改變原邊諧振網絡的補償電容的調頻調制方法。這種方法使得系統原邊保持工作在諧振狀態(tài)，，減小了能量損耗，降低了信號傳輸對能量傳輸的影響。對于信號從副邊向原邊的反向傳輸，本文介紹了一種通過改變副邊補償電容的調相調制信號傳輸方法。通過改變副邊的補償電容，影響原邊諧振網絡的輸入電壓和諧振電流的相位差，從而加載信號。由于信號是通過相位來表征，其特征反應速度快，因此提高了信號的傳輸速度。文章研究了系統原副邊的等效模型，分析了系統原邊的幅頻特性和相頻特性，介紹了信號的傳輸機理和調制方法，并對于信號的解調流程做了一定的介紹。 由于能量與信號傳輸是通過同一個傳輸通道，因此信號傳輸的速度受到能量傳輸頻率的限制，信號傳輸也會對能量的傳輸效率造成影響，系統品質因數不同，信號傳輸過程對能量傳輸效率的影響程度也不同。文章最后介紹了一種四開關管BUCKBOOST穩(wěn)壓電路，根據輸入電壓和輸出電壓的關系，電路將分別工作在BUCK模式、BOOST模式和BUCKBOOST模式。文章對于各個工作模式開關管的開關時序做了介紹，并對變換電路的工作效率趨勢做出了分析。
[Abstract]:After years of development, wireless energy transmission WPTs technology has been relatively mature. Inductively coupled power transmission (ICPTT) technology is based on the principle of high frequency electromagnetic field near field coupling to realize the wireless transmission of power in close range. Because the conductor connection is no longer used, ICPT technology is widely used in household appliances, oil drilling, and medical equipment implantation. Electric vehicle charging and other industries. However, in many cases, the synchronous transmission of electric energy and signal is often required. Electric energy provides energy for electrical equipment, signal transmission control instructions and feedback information. At present, the energy and signal transmission technology of the separation mechanism has been very mature, but the transmission technology of energy and signal sharing the same transmission channel is still less studied. The existing research on the energy and signal synchronous transmission technology of the same channel is more focused on the research of signal transmission methods. However, there is little research on the influence of signal transmission on energy transmission. This paper is based on the theory of inductively coupled power transmission technology based on the project of "XX Power signal Coupling Transmission device Development", which is a cooperative project between school and enterprise. In this paper, the signal bidirectional transmission of ICPT system based on frequency and phase modulation is studied. This paper introduces a frequency modulation method by changing the frequency of the inverter and changing the compensation capacitance of the original side resonant network accordingly. This method makes the original edge of the system work in the resonant state, reduces the energy loss and reduces the influence of signal transmission on the energy transmission. For the reverse transmission of signal from the secondary side to the original edge, this paper introduces a phase-modulated signal transmission method by changing the compensating capacitance of the secondary edge. The phase difference between the input voltage and the resonant current of the primary side resonant network is affected by changing the compensating capacitance of the secondary side, and the signal is loaded. Because the signal is characterized by phase, the characteristic reaction speed is fast, so the transmission speed of the signal is improved. In this paper, the equivalent model of the primary and secondary edges of the system is studied, and the amplitude-frequency and phase-frequency characteristics of the original edges of the system are analyzed, and the transmission mechanism and modulation method of the signal are introduced. The demodulation process of the signal is introduced. Because the energy and signal transmission pass through the same transmission channel, the speed of the signal transmission is limited by the energy transmission frequency. Signal transmission will also affect the efficiency of energy transmission, the system quality factor is different, the signal transmission process has different influence on the energy transmission efficiency. In the end, a four-switch buck boost circuit is introduced. According to the relationship between the input voltage and the output voltage, the circuit will work in the buck mode and the buck boost mode, respectively. In this paper, the switching timing of each mode switch is introduced, and the working efficiency trend of the converter circuit is analyzed.
【學位授予單位】：重慶大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM724

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