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本帖最后由 jjlamshushushu 于 2014-6-27 06:46 编辑 . [$ L/ u7 {* E' b* ~
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60598-1 Clause 13.2.1 * |4 N1 `. N1 ^. U! a% T
Compliance is checked by the following test:8 B6 `# ~9 i7 `4 A2 m4 U" z2 j
The test is not made on parts of ceramic material or on insulation of wiring.* ~) o9 S0 Y% T8 ?
The test shall be made in a heating cabinet having a temperature 25 °C ± 5 °C in excess of the
' s9 z0 t! q( {& {0 }operating temperature of the relevant part determined during the temperature test (normal$ v) I0 K$ a5 E% D
operation) 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.7 m4 ?3 x7 X( D. C- d; Q8 i i( 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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