感应线圈炮中驱动线圈的设计与分析  

Design and analysis of driving coil in induction coil gun

作　　者：王燕[1,2,3] 林福昌[1,2,3] 苏翔 WANG Yan;LIN Fuchang;SU Xiang(State Key Laboratory of Advanced Electromagnetic Engineering and Technology,Huazhong University of Science and Technology,Wuhan 430074,China;School of Electrical and Electronic Engineering,Huazhong University of Science and Technology,Wuhan 430074,China;Key Laboratory of Pulse Power Technology of Ministry of Education,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]华中科技大学强电磁工程与新技术国家重点实验室,河北武汉430074 [2]华中科技大学电气与电子工程学院,河北武汉430074 [3]华中科技大学脉冲功率技术教育部重点实验室,河北武汉430074

出　　处：《华中科技大学学报（自然科学版）》2022年第1期26-30,共5页Journal of Huazhong University of Science and Technology(Natural Science Edition)

摘　　要：对驱动线圈结构进行设计,通过仿真分析驱动线圈内部电磁应力、端部结构与优化、金属导线材料弹塑性、导线线径优化及驱动线圈电动力.以12 mH电感为例,对不同线径的线圈内部电磁应力(压强)进行仿真分析,得出其压强与径向距离的关系.分析了不同线径的趋肤效应,综合诸多因素得出12 mH电感采取线径Φ4 mm导线绕制比较合适.仿真结果表明:线圈最里层受电磁力最大,设计线圈时要加强内壁绝缘强度,内壁厚度比其他层绝缘厚度要厚.试验验证该电感通过了脉冲幅值5 kA、脉宽10 ms的通流考核,方案可行.The structure of the drive coil was designed.Through simulation,the internal electromagnetic stress of the drive coil,the end structure and optimization,the elastic-plastic of metal conductor material,the optimization of conductor diameter,and the electric power of the drive coil were analyzed.An example of 12 mH inductor was designed and analyzed.The electromagnetic stresses(pressures)inside the coil with different diameters were simulated and analyzed,and the relation diagram between pressure and radial distance was obtained.The skin effect of different wire diameter was analyzed.Considering many factors,it was suitable to wind 12 mH inductor with wire diameterΦ4 mm.Simulation results show that the innermost layer of the coil receives the largest electromagnetic force,so the insulation strength of the inner wall should be strengthened during the design of coil,and the thickness of the inner wall should be thicker than the insulation thickness of other layers.Through the test,the inductor passed the current pass test with pulse amplitude of 5 kA and pulse width of 10 ms,proving that the scheme is feasible.

关 键 词：驱动线圈 磁场集中度 电感 电磁应力 绝缘强度 

分 类 号：TM82[电气工程—高电压与绝缘技术]