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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑 4 Z4 n. a- H- {' T o1 X
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60598-1 Clause 13.2.1 7 l& x1 j# R, i. _2 p, u
Compliance is checked by the following test:* D$ K# t2 _: N. B# ]- D) X
The test is not made on parts of ceramic material or on insulation of wiring.4 ^" s( a! M8 f9 j
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the% ^- t& U+ G3 ~
operating temperature of the relevant part determined during the temperature test (normal
" ]1 y$ }* U$ D$ h+ Koperation) 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.
- }/ r8 d R s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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