基于ADAMS的低压塑壳断路器操作机构的优化设计
王泽涛，迟长春，张梦成，车赛
（上海电机学院 电气学院，上海 201306）
摘 要：针对某型低压塑壳断路器触头超程较小的问题，利用UG建立该型断路器全尺寸三维模型，将模型导入ADAMS中建立其虚拟样机模型。通过经验法分析并修改影响触头超程的部件，使超程达到技术要求，为减小其动作时间，构建了操作机构的数学模型，对杆件建立方程式，推导后得到连杆长度与杆件夹角之间的变化关系。依靠ADAMS参数化设计工具，以动触头角速度最大为优化目标，相关杆件长度为优化变量，对操作机构进行优化设计。仿真结果证明，基于ADAMS的参数化分析法在对复杂运动机构的优化设计中更加高效和便捷，优化结果较为理想，为物理样机的研制提供了参考。
关键词：低压塑壳式断路器；操作机构；ADAMS优化设计
中图分类号：TM561 文献标识码：A 文章编号：1007-3175(2019)08-0062-05
Optimization Design of Operating Mechanism of Low Voltage Molded
Case Circuit Breaker Based on ADAMS
WANG Ze-tao, CHI Chang-chun, ZHANG Meng-cheng, CHE Sai
（School of Electrical Engineering, Shanghai Dianji University, Shanghai 201306, China）
Abstract: Aiming at the problem that the contact over-travel of a low-voltage molded case circuit breaker is small, this paper used UG to establish the full-size three-dimensional model of the circuit breaker and the model was imported into ADAMS to establish its virtual prototype model. The empirical method was used to analyze and modify the components that affected the over-travel of the contact, so that the over-travel could reach the technical requirements. In order to reduce the action time, the mathematical model of the operating mechanism was constructed and the equation was established for the member bar, so as to deduce the relationship between the connecting rod length and the member bar intersection angle. Relying on the ADAMS parametric design tool, this paper took the angular velocity of the moving contact as the maximum optimization target, the relevant member bar length as the optimization variable, to carry out optimization design for the operating mechanism. The simulation results show that this parametric analysis method based on ADAMS is more efficient and convenient in the optimization design of complex motion mechanism, and the optimization result is ideal, which provides a reference for the development of physical prototype.
Key words: low-voltage moulded case circuit breaker; operating mechanism; ADAMS optimization design
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