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首页> 外文会议>2013 Proceedings - Annual Reliability and Maintainability Symposium >Storage life prediction of electromagnetic relay based on PoF analysis
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Storage life prediction of electromagnetic relay based on PoF analysis

机译：基于PoF分析的电磁继电器保质期预测

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This paper proposed a storage life prediction method for air sealed electromagnetic relay based on Physics of Failure (PoF) analysis by an Accelerated Storage Degradation Test (ASDT) of the electromagnetic relay to forecast the component failure. Firstly, an Accelerated Storage Degradation Test (ASDT) of air sealed electromagnetic relay is designed and implemented based on the storage failure mechanism. Secondly, the PoF analysis such as Scanning Electron Microscope (SEM) energy spectrum analysis is designed for the contact of relay after ASDT. The organic compound content on contact is analyzed at each temperature testing samples. Then the time series method is applied to model the degradation path and the storage life is predicted according to the characteristic of ASDT data. Finally, based on the relationship between prediction of the storage life and organic contamination degree of the contact, the PoF model of contact contamination of electromagnetic relay is proposed, which presents the relationship between the storage residual life and the carbon content of the organic compound on the contact. It is meaningful to avoiding the redundant preventive maintenance and saving the maintenance costs.
机译：提出了一种基于电磁继电器的加速老化试验（ASDT）的失效物理（PoF）分析方法，对密封电磁继电器的寿命进行预测的方法。首先，基于存储失效机理，设计并实现了气密电磁继电器的加速存储退化测试（ASDT）。其次，针对ASDT后的继电器触点设计了PoF分析，如扫描电子显微镜（SEM）能谱分析。在每个温度测试样品中分析接触时的有机化合物含量。然后应用时间序列方法对降解路径进行建模，并根据ASDT数据的特点预测其存储寿命。最后，基于接触寿命的预测与有机污染程度的关系，提出了电磁继电器接触污染的PoF模型，提出了存储剩余寿命与有机化合物碳含量的关系。联系人。避免冗余的预防性维护并节省维护成本非常有意义。

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