摘要
磁耦合谐振式无线充电是最具发展前景的无线充电技术,在磁耦合谐振式无线充电系统中加入超介质,可以提高系统传输效率。文章首先构建该系统的集总电路模型,分析影响传输效率的因素;其次阐述将超介质应用于磁耦合谐振无线充电系统的原理;最后设计出工作在9.6MHz的磁耦合谐振无线充电系统,提出一款在9.599MHz等效磁导率m=-1的超介质结构,经过仿真分析得出结论:超介质应用于磁耦合谐振式无线充电系统能提高系统传输效率。
The most development prospect wireless power transfer technology of magnetically coupled resonant.Study of efficiency enhancement of magnetically coupled resonant wireless charging system by metamaterial.Firstly, the lumped circuit model of the system was built andanalyzes the factors influencing the power transmission efficiency.Secondly, the principle of metamaterial used in magnetic resonance wireless charging system.At last, a magnetic coupling resonant wireless charging system which works in 9.6MHz and a metamaterial structure which equivalent permeability m=-1 in 9.599 MHz were designed.The simulation and corresponding analysis show that the transmission efficiency of magnetically coupled resonant wireless charging system can be improved by metamaterial.
出处
《无线互联科技》
2016年第3期15-18,共4页
Wireless Internet Technology
关键词
超介质
磁耦合
谐振
无线充电
传输效率
metamaterial
magnetic coupling
resonant
wireless charging
transmission efficiency
