led吸顶灯坏了,怎么样才知道是启动器烧坏还是led灯带烧了?

2025-02-05 17:27:48
推荐回答(5个)
回答1:

判断led吸顶灯好坏,可以测量LED灯输入电源。
方法是:
1、打开开关,万用表测量控制线和零线,如果有电压,灯不亮,基本可以确定灯损坏了。
2、用排除法,把灯管安装到其它正常工作的灯上。
启动器烧坏判断:
用导致线短接启动器,如果灯能亮,说明启动器损坏。

回答2:

LED灯没有启动器,而是有一个恒流源电源。
拆下LED灯,在电源输出端接一个和LED灯一样大功率的电阻,然后测量电源两端的电压正常,则说明是LED灯坏了。

回答3:

要分别检测如果LED灯怀坏了其灯泡会显黑色

回答4:

不用这许多麻烦,普通人也很难判别,直接去买个启动器(也俗称镇流器,其实叫驱动器,里面是一个恒流电源)换上即可,led坏的概率还不到1%,如果真是led坏了的话你可以去买彩票试下运气了.
今天看到还有朋友在给我点赞,好感动,虽然是三年前的回答,但随着科技日新月异的发展,如今可看成是针对正规灯具产品来说是这样的,总体来说同样的故障现象,现在的情况却不一样了,因为国内对led的生产封装技术的改进和成熟,led的质量也大幅提升,使发光效率和寿命提高,发热量下降很多,这本来是好事,却让某些偷工减料的黑心灯具厂家钻了空子:产品虽用的是正品led,理应把led焊接在铝质基板上(有利于散热)的,却焊在成本极低工艺简单的敷铜板上了,虽然短期内还能正常使用,却非但没使整灯的寿命延长,反而使led因散热不良而更容易损坏了,所以如今普通人判断故障,主要可从以下二点入手:a,焊装led的基板是否铝质的,是的话一般是启动器坏了,如前所述换启动器即可.b,非铝质的,那就要仔细看每粒led了,正常的好的led上面是淡黄色或无色的透明硅胶,如果上面有黑点了,说明灯丝烧断了,那就只能换灯板了.

回答5:

把灯拆下来拿到店铺里去问一问就行了。

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