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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 5 D+ K/ S2 x( S1 L+ ~. B6 \: [
Compliance is checked by the following test:
) x8 J+ K% o2 s8 i. }The test is not made on parts of ceramic material or on insulation of wiring.$ ^( `9 @* c$ h9 j9 P& J' B
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
. c, x7 M' S* E- m' u2 H6 goperating temperature of the relevant part determined during the temperature test (normal
0 k" q; v' p t2 a) @6 O5 ?- a8 Coperation) 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.! y/ D4 U( f5 r* c6 u+ F2 N
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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