低压电器振动冲击失效仿真分析

摘要

In order to solve the problem of failure mechanism of low voltage electrical apparatus under the condition of vibration shock, the simulation analysis of the failure of the circuit breaker is carried out based on the finite element method. According to the simulation analysis, the stress distribution of the circuit breaker is obtained. Combined with the test results, the material and structure of the circuit breaker are optimized, so as to avoid the failure of the vibration shock. And then the feasibility of the research method of the failure mechanism of vibration shock is verified, which provides an effective method for the structural design and material optimization of circuit breaker.%为了解决低压电器振动冲击工作条件下的失效机制研究问题，基于有限元法对断路器进行了振动冲击失效仿真分析，根据仿真分析得出了断路器结构所产生的应力分布，并结合测试结果对断路器进行材料和结构优化，从而避免振动冲击失效。进而验证了振动冲击的失效机制研究方法的可行性，并为断路器的结构设计及材料优化提供了一种有效的方法。