本文選題：無(wú)線電力傳輸 + 磁共振　； 參考：《河北大學(xué)》2014年碩士論文

【摘要】：無(wú)線電力傳輸技術(shù)作為二十一世紀(jì)最熱門的技術(shù)之一，逐漸進(jìn)入人們的日常生活。磁共振無(wú)線電力傳輸技術(shù)因其在中距離上能高效率的傳輸電能，吸引了大量相關(guān)科研人員進(jìn)行研究與探索。 本文主要介紹了磁共振耦合無(wú)線電力傳輸技術(shù)并且設(shè)計(jì)了發(fā)射模塊。該技術(shù)是利用發(fā)射線圈的固有諧振頻率和接收線圈的固有諧振頻率一致時(shí)引起電磁共振，發(fā)生強(qiáng)電磁耦合實(shí)現(xiàn)電能的傳輸，主要用于電能的中距離無(wú)線傳輸，而且效率較高。 本文在設(shè)計(jì)發(fā)射線圈時(shí)采用了螺旋線圈，該線圈通常用于信號(hào)的定向傳輸。根據(jù)螺旋線圈的物理參數(shù)（匝數(shù)、線圈直徑等）和電氣參數(shù)（電感、頻率等）之間的關(guān)系，設(shè)計(jì)了幾組螺旋線圈，并對(duì)線圈的電氣性能進(jìn)行測(cè)試。實(shí)驗(yàn)證明所設(shè)計(jì)的線圈具有較好的方向性。 利用16MHz有源晶振和SN74HC740D觸發(fā)器設(shè)計(jì)了方波發(fā)生電路，為E類功放提供控制信號(hào)。 為了實(shí)現(xiàn)工頻電源轉(zhuǎn)化為射頻電源，本文設(shè)計(jì)了一種高效的電壓驅(qū)動(dòng)E類功率放大器。與傳統(tǒng)的功率放大器相比效率較高，，能有效的提高整個(gè)發(fā)射模塊的傳輸效率。
[Abstract]:Wireless power transmission technology, as one of the most popular technologies in the 21 century, has gradually entered people's daily life. Magnetic resonance wireless power transmission technology attracts a large number of researchers to research and explore because of its high efficiency in transmitting electric energy in middle distance. This paper mainly introduces the magnetic resonance coupled wireless power transmission technology and designs the transmission module. When the inherent resonance frequency of the transmitting coil and the natural resonant frequency of the receiving coil are the same, the electromagnetic resonance (Mr) is induced, and the electric energy is transmitted by strong electromagnetic coupling, which is mainly used for the wireless transmission of electric energy over middle distance, and the efficiency is high. In this paper, a spiral coil is used to design the transmitting coil, which is usually used for directional transmission of signal. According to the relationship between the physical parameters (turn number, coil diameter, etc.) and electrical parameters (inductance, frequency, etc.), several groups of helical coils are designed, and the electrical properties of the coils are tested. The experimental results show that the designed coil has good directionality. Square wave generating circuit is designed by using 16MHz active crystal oscillator and SN74HC740D flip-flop to provide control signal for class E power amplifier. In order to realize the conversion of power frequency power supply to radio frequency power supply, this paper designs an efficient class E power amplifier driven by voltage. Compared with the traditional power amplifier, the transmission efficiency of the whole transmission module can be improved effectively.
【學(xué)位授予單位】：河北大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM724

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