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请教各位大佬,在LED灯中,对于非隔离电源驱动的LED灯板(使用铝基板),其结构要求LED灯板带电部件与铝基部分满足加强绝缘,那么铝基板的绝缘层是否满足加强绝缘呢?据说,铝基板的绝缘层一般也只能耐受1000V的电压。
- S0 y6 L( C# `4 l) H+ j: Q我引用了论坛里下列帖子的12楼的回复:- D5 C% Q; J' F
http://bbs.angui.org/forum.php?mod=viewthread&tid=114267&extra=&highlight=%C2%C1%BB%F9%B0%E5&page=2
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We must treat the metal LED carrier as a live part. The insulation between the PCB circuits and the metal carrier is only functional insulation.
1 q8 s: K; }+ A9 l3 _( cFor now, the standard knows no way to ensure that the insulation is equivalent to basic insulation.
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有没有哪个标准或决议里有明确说明铝基板绝缘层的绝缘判定呢?
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