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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑 0 B, m _9 A4 i/ ^7 V. k" R
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60598-1 Clause 13.2.1
9 w! j& w; `7 j( b, w. }" n d; _4 _Compliance is checked by the following test:& R* r% S9 O8 }! ?" ]. X
The test is not made on parts of ceramic material or on insulation of wiring. n; ~2 V) L' e" d5 ?) k9 z4 n
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the* y$ D/ f0 @4 c2 b* \# C6 u$ U
operating temperature of the relevant part determined during the temperature test (normal
* X: n$ B2 K2 F- \6 D7 xoperation) 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.
! \ e$ y2 x3 `- G0 M( W) u2 V% x' D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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