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消防应急灯闪一下就灭。

发表于
http://image.coolapk.com/feed/2024/0616/00/6947283_c8a506d8_9647_3026_47@2880x2880.jpeg

#DIY# 今天监控断网,poe交换机跟应急灯是一路插座,故关插座,监控恢复了,应急灯闪着就灭?于是拆开,没问题阿,开始怀疑电池容量不足?也足阿1.2伏电池有1.5电,用可调电源调1.5v还是灭,摸来摸去,不甘心,拆下另外一个一模一样的灯,拆掉两个灯的滤波电容,换上坏的那里,恢复。万用表测电容真恼火,测不准,灯的电容是16v220uf的,不想网上买,于是找来旧的电脑电源拆掉两个16v440uf换上,一切正常!这两个电容应该是断市电的时候用来启动灯珠的,容量不足的话就启动不了。

http://image.coolapk.com/feed/2024/0616/00/6947283_c8a506d8_9647_3026_47@2880x2880.jpeg

http://image.coolapk.com/feed/2024/0616/00/6947283_1b3a9cf6_9647_3032_576@2880x2880.jpeg

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