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jsspace 发表于 2014-6-27 08:38 
/ o$ A' Z) A: P/ p% \# d( M d2 a+ L以前小家电我记得SELV是不用做球压的4 S' t K# ^. O4 `+ Z
难道小家电就不用考虑过热？
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。5 ]9 }$ ~: p c0 `, U; |$ U
: }/ K$ D3 T, E13.2 Resistance to heat （EN 60598:2008）
i* g1 y) d* {# ?7 m$ cExternal parts of insulating material providing protection against electric shock, and parts of0 b& Y9 ^( o. O' L1 b3 I8 Q
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
& r8 M- [# a# Vresistant to heat.7 D" z" W; b! [ L( l
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide
; H! f6 i) u. U+ hsupplementary insulation.( P2 C5 T1 k) z5 [; M; O; A+ s% s
1 w2 g, l/ e$ f# u0 g6 v% ^1.2.15
) C4 u' j u3 r* f7 ~live part
2 O, G- V8 U6 S" Q. S, gconductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.
0 A, \0 [# Q( x' d' ?NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is2 r) n+ v7 s3 d; b% o2 q
given in Annex A.$ E* f6 k1 t6 [3 E
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; `1 G# P/ n2 g( o `( {4 m30 Resistance to heat and fire (EN 60335-1:2012)1 s) H6 }. c' O$ k5 y# M
30.1 External parts of non-metallic material, parts of insulating material supporting live
0 h" [ m6 @/ d9 K) k: eparts including connections, and parts of thermoplastic material providing supplementary* |/ l y. Y9 L
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration: ?4 D% T% e7 W, g- m8 O, o
could cause the appliance to fail to comply with this standard.8 @0 c0 Z" E/ ?3 `8 h+ D
This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.5 N" l, o- F# |- q4 M
, n" U- W; s- w9 {
3.6.4
2 K; M# ~8 ^) {. [) K' Z9 Zlive part
! `4 ?7 ~ V* \conductor or conductive part intended to be energized in normal use, including a neutral
- j' X; t% M1 P I' W2 L0 U/ yconductor but, by convention, not a PEN conductor2 q3 S2 A# D: H
NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
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