基于双耦合线圈的无人机轻量化无线充电耦合机构设计  

Design of Lightweight Wireless Charging Coupling Mechanism for UAVs Based on Dual Coupling Coils

作　　者：李阳[1,2] 安张磊[1] 孟航 寇苏雅 蒲晓飞 LI Yang;AN Zhanglei;MENG Hang;KOU Suya;PU Xiaofei(School of Electrical Engineering,Tiangong University,Tianjin 300387,China;Tianjin Key Laboratory of New Energy Power Conversion,Tianjin University of Technology,Tianjin 300387,China)

机构地区：[1]天津工业大学电气工程学院,天津300387 [2]天津理工大学天津市新能源电力变换传输与智能控制重点实验室,天津300387

出　　处：《电源学报》2023年第6期168-175,共8页Journal of Power Supply

基　　金：国家自然科学基金资助项目(51877151,52011530185)。

摘　　要：针对中大型无人机无线充电需求,设计了一种双耦合线圈无人机无线充电耦合机构,该耦合机构在满足无人机接收侧轻量化设计的同时,具有较高的传输能效与一定的抗偏移能力。双接收线圈安装在无人机双侧底部支架位置,双发射线圈安装在与无人机支架倾斜角度相同的梯形发射平台上,以减小无人机大范围偏移,同时采用顺向串联的形式,保证无线充电的均匀性。采用串联-串联S-S(series-series)补偿结构,运用有限元仿真,对比分析耦合线圈不同参数对传输效率的影响,以轻量化为原则对耦合线圈进行优化设计。通过搭建无人机无线充电实验系统进行验证,结果表明,该耦合机构可有效地对无人机电池以1.2 kW功率进行充电,传输效率为95.554%,无人机侧耦合机构质量为320 g,符合无人机耦合机构轻量化设计需求,且具有一定的抗偏移能力。A UAV wireless charging coupling mechanism based on dual coupling coils is designed to meet the wireless charging requirements of medium and large UAVs,which has a high transmission energy efficiency and certain offset resistance while satisfying the lightweight design on the UAV side.The dual receiver coils are mounted at the bottom bracket positions on both sides of the UAV,and the dual transmitter coils are mounted on a trapezoidal transmitter platform with the same tilt angle as the UAV bracket to reduce the large range of UAV deflections.Meanwhile,a cascading series connection is used to ensure the uniformity of wireless charging.A series-series(S-S)compensation structure is also used.The finite element simulation is applied to compare and analyze the influence of different parameters of coupling coils on the transmission efficiency,and the design of coupling coils is optimized based on the principle of light weight.A UAV wireless charging experimental system was built,and results show the proposed coupling mechanism can effectively charge the UAV battery at 1.2 kW power with a transmission efficiency of 95.554%.The mass of the UAVside coupling mechanism was 320 g,which meets the requirements of lightweight design of UAV coupling mechanism and also has certain offset resistance.

关 键 词：无线电能传输 感应式 轻量化 无人机 

分 类 号：TM910.6[电气工程—电力电子与电力传动] V279[航空宇航科学与技术—飞行器设计]