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1:有决议称III类LED 灯具温升测试电压是1.1倍,如果一款灯具带适配器,输出安全特地电压,那么这个灯具应该算是II 类还是III 类?
1 [- t- h3 Y( {2 l' W8 e5 }$ s2:耐压测试时样品发出的声音算是正常现象吗?所谓的闪络是指出现电火花吗 ?$ Q6 w, G$ S/ ~- O3 Z7 Q
3:电容放电测试,标准说的是1分钟,1秒钟,那么1分钟或1秒钟后的放电电压超限该怎么判定?
/ m k- r" ]+ y8 \/ L8 j/ R4:嵌入式灯具,IEC60598-1:2014 附录D中描述隔热棉是包裹在测试箱子外面的,我这里有黄颜色的那个隔热棉,不知道是否符合要求,请问大家的隔热棉是这个样的吗 ?
z% e8 Y1 p0 ?5 f1 G: X* L1 v9 ^a) Luminaires for recessing into ceilings with thermal insulating material covering the
6 G6 k& _& O9 P; wluminaire' o6 Z, ]' w6 ?* n7 S, N
Sealed box with thermal insulating material is tightly fitted to the outside of the box. The" `7 N' ]1 p# } `0 V8 u
thermal insulation shall be equivalent to two 10 cm thick layers of mineral wool with a coefficient6 [- Y2 b M- C9 S1 \9 j2 I2 `
of thermal resistivity of 0,04 W/(m.K). Thinner layers can be used when having a
$ K9 x7 }- D$ y1 C9 C0 S `higher thermal resistivity. The thermal resistance of the test box shall in any case be at
6 K+ G5 u# \% y# H- [; P' g0 Aleast 5 m2 K/W.
3 h! [4 B, n, G: \' f0 `7 D# |& f7 y' l: \
* \+ B9 n- D1 c3 J! G# u谢谢指教 |
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