老旧电梯控制主板电容寿命评估分析  

Evaluation and Analysis of Capacitor Life of Old Elevator Control Motherboard

作　　者：孙仲达 黄颖欣 Sun Zhongda;Huang Yingxin(Zhongshan Branch,Guangdong Institute of Special Equipment Inspection and Research,Zhongshan,Guangdong 528400,China)

机构地区：[1]广东省特种设备检测研究院中山检测院,广东中山528400

出　　处：《机电工程技术》2020年第11期236-237,246,共3页Mechanical & Electrical Engineering Technology

摘　　要：电梯控制主板的寿命评估一直是老旧电梯安全评估领域困扰已久的问题,而电容器的退化失效是电梯控制主板最常见的故障之一,电容的稳定性直接决定了电梯控制主板的使用寿命。介绍了电梯控制主板电容的分类,分析了电容退化失效的原因,总结了电容使用寿命的分析计算方法,对老旧电梯控制主板的电容剩余寿命进行了研究,为老旧电梯控制系统评估提供了一种新的思路。The life assessment of elevator control motherboard has been a long-standing problem in the field of old elevator safety assessmentThe degradation failure of capacitor is one of the most common failures of elevator control motherboardThe stability of capacitor directly determines the service life of the elevator control board.The classification of the capacitor of elevator control board was introduced,the causes of the degradation failure of capacitor was analyzed,the analysis and calculation method of capacitor was summarized,and the remaining life of capacitor in the old elevator control motherboard was studied.The research provides a new idea for the evaluation of the old elevator control system.

关 键 词：老旧电梯 电容 寿命 安全评估 

分 类 号：TU857[建筑科学]