多簧片结构的磁保持继电器多物理场刚柔耦合仿真模型建立和实验分析  

Establishment and Experimental Analysis of Rigid Flexible Coupling Simulation Model for Multiphysics of Magnetic Latching Relay with Multi-Reed Structure

作　　者：赵靖英[1,2] 李宁 张雪辉[2] 赵正元[3] Zhao Jingying;Li Ning;Zhang Xuehui;Zhao Zhengyuan(School of Electrical Engineering Hebei University of Technology,Tianjin 300401 China;State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of Technology,Tianjin 300401 China;Xi’an Railway Signal Company Limited,Xi’an 710010 China)

机构地区：[1]河北工业大学电气工程学院,天津300401 [2]河北工业大学省部共建电工装备可靠性与智能化国家重点实验室,天津300401 [3]西安铁路信号有限责任公司,西安710010

出　　处：《电工技术学报》2024年第10期3192-3205,共14页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金(51777057);河北省自然科学基金(E2021202136)资助项目。

摘　　要：多簧片结构的磁保持继电器衔铁转动引起的触点碰撞、弹跳现象使运动过程复杂,静、动态特性理论分析和仿真模型建立困难。以某型号多簧片结构的磁保持继电器为研究对象,理论分析结构拓扑及工作机理,考虑触点间切入深度,引入狄拉克函数和赫维赛德函数,解决簧片受力分散及触点由于碰撞、弹跳引起的作用力不连续问题;将簧片等效为悬臂梁,基于欧拉-伯努利梁理论建立触簧系统三簧片分段耦合动力学模型。利用Ansys Maxwell引入基于误差的自适应网格划分方法求解电磁机构静态特性;考虑触簧系统簧片运动变形效应,通过ADAMS基于模态理论,构建刚柔耦合动力学仿真模型。基于分段动力学思想,搭建电-磁-机械运动多物理场刚柔耦合仿真模型。利用高速摄像机、电流探头等设计磁保持继电器实验方案,搭建实验平台,测试并分析磁保持继电器触点吸合运动时间、触点压力、弹跳时间、线圈电流,并分析人工装配簧片引起触点压力不同使继电器动作过程存在的不一致性问题,验证该文所提多簧片结构的磁保持继电器特性分段耦合分析方法和多物理场刚柔耦合仿真模型的有效性。The magnetic latching relay exhibits a complex structure with weak consistency between components,leading to issues such as arc erosion and severe contact wear caused by increased bounce frequencies of the armature and iron core,affecting dynamic and static contacts.In extreme cases,contact welding adhesion causes significant changes in static and dynamic characteristic parameters,including pick-up time,pick-up voltage,and contact pressure.Therefore,theoretical analysis methods and simulation models for the magnetic latching relay are established,and changes in static and dynamic characteristics are analyzed.To improve the accuracy of simulation models,a multiphysics rigid flexible coupling simulation model is established.The magnetic latching relay serves as the research object.The structure topology and operation mechanisms of the relay are analyzed theoretically.The penetration depth between contacts is considered,and the Dirac delta function and the Heaviside function are introduced to solve problems of reed force dispersion and discontinuity between contacts due to collision and bounce.The reeds are equivalent to the cantilever beam,and a triple reed piecewise coupling dynamic model of the relay contact reed system is established based on the Euler-Bernoulli beam theory.Moreover,an error-based adaptive mesh generation method is introduced to solve the static characteristics of the electromagnetic mechanism in Ansys Maxwell.Considering the deformation effect of reed movement,a rigid-flexible coupling dynamic simulation model is developed based on modal theory in ADAMS.Finally,a rigid,flexible coupling simulation model for the multiphysics of electro-magnetic-mechanical motion is structured based on piecewise dynamics.An experimental scheme for the magnetic latching relay is devised using a high-speed camera and a current probe.An experimental platform is established to analyze the contact pick-up motion time,contact pressure,bounce time,and coil current to verify the effectiveness of the proposed analysis met

关 键 词：磁保持继电器 多簧片结构 碰撞弹跳 分段耦合动力学模型 多物理场刚柔耦合 

分 类 号：TM572[电气工程—电器]