磁耦合谐振式无线电能传输天线仿真设计
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摘要
磁耦合谐振式无线电能传输系统有着传输效率高、传输距离远以及传输功率大等优点。天线作为该系统的核心部分,直接影响到系统的传输效率。用HFSS软件仿真设计螺旋半径50～100 mm之间的6组天线模型,研究了发射和接收天线在能量传输过程中发生频率分裂的现象,通过电容值调节使发射和接收天线达到良好匹配,提升了原谐振频率点处的传输效率,同时分析了天线传输效率与螺旋半径之间的关系。
Magnetic coupling resonant radio energy transmission system has many advantages, such as high transmission efficiency, long transmission distance and high transmission power, which attract researchers at home and abroad. As the core part of the system, the antenna has a direct impact on the transmission efficiency. Using HFSS software to simulate and design 6 sets of antenna model, the helix radius of the antenna is between 50 mm and 100 mm. The frequency splitting phenomenon of transmitting and receiving antennas in the process of energy transmission is analyzed. The matching between transmitting and receiving antennas is achieved by adjusting the capacitor's value. Thus, the transmission efficiency of the original resonant frequency point is improved. The relationship between the transmission efficiency and the radius of the antenna is analyzed.
Magnetic coupling resonant radio energy transmission system has many advantages, such as high transmission efficiency, long transmission distance and high transmission power, which attract researchers at home and abroad. As the core part of the system, the antenna has a direct impact on the transmission efficiency. Using HFSS software to simulate and design 6 sets of antenna model, the helix radius of the antenna is between 50 mm and 100 mm. The frequency splitting phenomenon of transmitting and receiving antennas in the process of energy transmission is analyzed. The matching between transmitting and receiving antennas is achieved by adjusting the capacitor's value. Thus, the transmission efficiency of the original resonant frequency point is improved. The relationship between the transmission efficiency and the radius of the antenna is analyzed.
引文
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[14]李中启,黄守道,易吉良.磁耦合谐振式无线电能传输系统频率分裂抑制方法[J].电力系统自动化,2017,41(2):21-27.
[15]刘东,王兆尹,田雨波,等.基于MOPSO算法的小型化复合结构槽螺旋天线设计[J].江苏科技大学学报(自然科学版),2014,28(5):480-484.
[2]李阳.大功率谐振式无线电能传输方法与实验研究[D].河北:河北工业大学,2012.
[3]赵争鸣,张艺明,陈凯楠.磁耦合谐振式无线电能传输技术新进展[J].中国电机工程学报,2013,33(3):1-13.
[4]黄学良,谭林林,陈中,等.无线电能传输技术研究与应用综述[J].电工技术学报,2013(10):1-10.
[5]范兴明,莫小勇,张鑫.无线电能传输技术的研究现状与应用[J].中国电机工程学报,2015,35(10):2584-2600.
[6]陈文杰,王浩陈,张懿,等.基于磁耦合谐振的无线电能传输研究[J].江苏科技大学学报(自然科学版),2015,29(6):555-559.
[7]谢拥军.Ansoft HFSS基础及应用[M].西安:西安电子科技大学出版社,2007.
[8]BEH T C,KATO M,IMURA T,et al.Automated impedance matching system for robust wireless power transfer via magnetic resonance coupling[J].IEEE Transactions on Industrial Electronics,2013,60(9):3689-3698.
[9]ZHONG W,LEE C.HUI,et al.R General analysis on the use of tesla′s resonators in domino forms for wireless power transfer[J].IEEE Transactions on Industrial Electronics,2013,60(1):261-270.
[10]SHIN J,SHIN S,KIM Y,et al.Design and implementation of shaped magnetic resonance based wireless power transfer system for roadway-powered moving electric vehicles[J].IEEETransactions on Industrial Electronics,2014,61(3):1179-1192.
[11]迟浩坤.基于HFSS的PCB线圈无线传能系统仿真分析[D].青岛:中国海洋大学,2015.
[12]KURS A,KARALIS A,MOFFATT R,et al.Wireless power transfer via strongly coupled magnetic resonances[J].Science,2007,317(5834):83-86.
[13]KURS A,MOFFATT R,SOLJACIC M,et al.Simultaneous mid-range power transfer to multiple devices[J].Applied Physics Letters,2010,96(4):23-30.
[14]李中启,黄守道,易吉良.磁耦合谐振式无线电能传输系统频率分裂抑制方法[J].电力系统自动化,2017,41(2):21-27.
[15]刘东,王兆尹,田雨波,等.基于MOPSO算法的小型化复合结构槽螺旋天线设计[J].江苏科技大学学报(自然科学版),2014,28(5):480-484.