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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑
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60598-1 Clause 13.2.1 9 _ l, t+ m. g. N/ Y% V
Compliance is checked by the following test:
1 O: N1 O- s1 q& u, C6 OThe test is not made on parts of ceramic material or on insulation of wiring.
' K K* Y$ G* R; K5 m9 L- p: KThe test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the3 ]1 Q8 F$ P |+ o* D3 p( |
operating temperature of the relevant part determined during the temperature test (normal
4 L) i" |& ]/ i% K+ Zoperation) of Section 12, with a minimum temperature of 125 °C when parts retaining current carrying parts or SELV parts in position are tested, and 75 °C for other parts.
2 e: ^# Z: i1 D* A载流部件又没有说一定是高压的,也可以是SELV,低压大电流由于过热照样会引起载流部件短路发生火灾(比如常用在电动类的24V的镍氢电池),所以SELV球压是必须需要考虑的。。。当然,SELV的附加绝缘的塑料部件可以免去球压测试。 |
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