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led灯珠如何更换
信息来源于:互联网 发布于:2022-08-17
一般LED灯具不亮,常常是LED灯珠的串联线路中有一颗或者几颗灯珠烧坏导致LED电路板断路,引起LED线路不通形成灯具整体不亮或者微亮闪烁的现象,对于LED灯珠烧坏的灯珠可以通过仔细观察找出坏的灯珠,烧坏的灯珠上面有黑色点点与众不同,找出后标记出来方便维修更换灯珠。

接下来说下换灯珠的操作步骤:
首先,加电打开开关25-30秒钟后,恒温加热台可升温至250±10℃,这个温度区间短暂的加热LED铝基板或者玻纤板材质的LED光源灯片不会损伤LED灯珠;
然后把LED灯片的维修部位紧贴加热台10秒钟左右,待焊接灯珠的锡膏融化后可用镊子轻松取换灯珠,先用镊子把坏的灯珠逐一取下,然后把准备好的灯珠备用件(可事先从一些废弃的LED光源上面取下灯珠变废为宝当做备用灯珠)逐一换上,需要注意的是在换灯珠的时候留意LED灯珠的+-正负极方向,接反了灯具不亮的,其中避免类似问题的技巧就是比对相邻灯珠是怎么排列的。
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最后,换好灯珠后把维修部位移开加热平台3-5秒钟即可,待LED铝基板或者玻纤板冷却降温后,锡膏凝固自动焊接灯珠。
加热台双面可用,可根据LED灯板大小的实际情况选择使用