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led燈珠如何更換
信息來源于:互聯網 發布于:2022-08-17
一般LED燈具不亮,常常是LED燈珠的串聯線路中有一顆或者幾顆燈珠燒壞導致LED電路板斷路,引起LED線路不通形成燈具整體不亮或者微亮閃爍的現象,對于LED燈珠燒壞的燈珠可以通過仔細觀察找出壞的燈珠,燒壞的燈珠上面有黑色點點與眾不同,找出后標記出來方便維修更換燈珠。

接下來說下換燈珠的操作步驟:
首先,加電打開開關25-30秒鐘后,恒溫加熱臺可升溫至250±10℃,這個溫度區間短暫的加熱LED鋁基板或者玻纖板材質的LED光源燈片不會損傷LED燈珠;
然后把LED燈片的維修部位緊貼加熱臺10秒鐘左右,待焊接燈珠的錫膏融化后可用鑷子輕松取換燈珠,先用鑷子把壞的燈珠逐一取下,然后把準備好的燈珠備用件(可事先從一些廢棄的LED光源上面取下燈珠變廢為寶當做備用燈珠)逐一換上,需要注意的是在換燈珠的時候留意LED燈珠的+-正負極方向,接反了燈具不亮的,其中避免類似問題的技巧就是比對相鄰燈珠是怎么排列的。
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最后,換好燈珠后把維修部位移開加熱平臺3-5秒鐘即可,待LED鋁基板或者玻纖板冷卻降溫后,錫膏凝固自動焊接燈珠。
加熱臺雙面可用,可根據LED燈板大小的實際情況選擇使用