| 基于磁感应频率跟踪的逆变电源研究与设计 |
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| 引用本文： | 王雯雯,赵芯跃,黄卡玛,杨 阳.基于磁感应频率跟踪的逆变电源研究与设计[J].太赫兹科学与电子信息学报,2019,17(5):825-831. |
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| 作者姓名： | 王雯雯 赵芯跃 黄卡玛 杨 阳 |
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| 作者单位： | College of Electronics and Information Engineering，Sichuan University，Chengdu Sichuan 610065，China,College of Electronics and Information Engineering，Sichuan University，Chengdu Sichuan 610065，China,College of Electronics and Information Engineering，Sichuan University，Chengdu Sichuan 610065，China and College of Electronics and Information Engineering，Sichuan University，Chengdu Sichuan 610065，China |
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| 基金项目： | 国家自然科学基金青年基金资助项目(61501311)；自然科学基金重点资助项目(61731013) |
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| 摘 要： | 针对近距离高频磁感应能量传输系统中距离改变会使谐振频率发生变化，导致效率降低的问题，提出一种基于74HC4046AD锁相环的频率跟踪驱动方案，该方案可以实现谐振频率的自动跟踪，在proteus环境下对中心频率为100 kHz的逆变电源系统和锁相功能进行仿真。设计并制作基于频率跟踪的逆变电源样机，通过样机对输出情况进行跟踪反馈。仿真实验结果表明，该系统输出性能良好，验证了频率跟踪的有效性，实现了功率管的软开关工作模式。
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| 关 键 词： | 频率跟踪 锁相 电磁感应 逆变 效率 |
| 收稿时间： | 2019/1/30 0:00:00 |
| 修稿时间： | 2019/2/25 0:00:00 |
Design on frequency-tracking of inverter based on magnetic induction |
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| WANG Wenwen,ZHAO Xinyue,HUANG Kama and YANG Yang.Design on frequency-tracking of inverter based on magnetic induction[J].Journal of Terahertz Science and Electronic Information Technology,2019,17(5):825-831. |
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| Authors: | WANG Wenwen ZHAO Xinyue HUANG Kama and YANG Yang |
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| Abstract: | High-frequency inverter technology is widely used in wireless energy transmission systems. The distance change in the high-frequency magnetic induction energy transmission system will lead to the change of resonance frequency and the decreasing of efficiency. A frequency tracking drive scheme based on the 74HC4046AD phase-locked loop is proposed, which can realize the automatic tracking of the resonant frequency. In the proteus environment, the inverter prototype of the inverter power supply based on frequency tracking is designed and fabricated, and the output is tracked and fedback by the prototype. The experimental results show that the output performance of the system is good, the effectiveness of frequency tracking is verified, and the soft switching mode of the power tube is realized. |
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