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jsspace 发表于 2014-6-27 08:38
" S( q7 W6 U) w以前小家电我记得SELV是不用做球压的' b* Q) r9 h5 l/ {
难道小家电就不用考虑过热?
2 y( K/ E7 w+ a! k可以对比下两个标准的描述:家电没有提及SELV, 符号8.1.4要求的不算live part,也就不用做, 灯具直接提及SELV也需要,我想主要是从使用环境上考虑。灯具允许直接与可燃物接触。% b# _1 d4 F. j" ~$ ~. u7 M
5 ~1 ?) n$ ?& A13.2 Resistance to heat (EN 60598:2008)( R+ S1 }6 T( k& B7 \1 F
External parts of insulating material providing protection against electric shock, and parts of2 S+ o( _9 ~3 [! N. e- g
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
, S, {/ M" | c& n" b1 ~5 Q. c/ S0 ~resistant to heat.3 Q' p. f; B+ L1 V3 A
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide) a- w2 f1 u; {0 _
supplementary insulation.. |2 p, z6 h1 c5 l9 r
. t' M9 |6 I l" Q/ q( u5 }1.2.15
0 w; o. R2 A/ a8 X9 Vlive part2 \1 X; o* s' \4 x
conductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.* J& T3 @/ J" k/ v& H
NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
- E2 S5 h- \8 {5 B0 `* N; Ngiven in Annex A., l' ?, ]0 B$ _3 X0 x& M. F
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30 Resistance to heat and fire (EN 60335-1:2012)1 N' Y { y X+ C o& z {
30.1 External parts of non-metallic material, parts of insulating material supporting live# A+ m; o- s9 \
parts including connections, and parts of thermoplastic material providing supplementary
# J) J. i4 Y/ Z6 m6 d# ginsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration1 I( l5 M% S( X. u# l1 {9 v5 }; W
could cause the appliance to fail to comply with this standard.: H" \3 C" G# K. G3 S
This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.% U% D8 a( N: y7 U
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3.6.47 R+ q: f/ q- A1 ?. A
live part
% |9 e$ O3 ?. v8 }4 f: kconductor or conductive part intended to be energized in normal use, including a neutral5 k! e# y5 Y, j% a1 }% S$ ]+ K
conductor but, by convention, not a PEN conductor& o8 f9 Y2 ]9 \: N+ M+ V# q) P
NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
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