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jsspace 发表于 2014-6-27 08:38
{* d0 h. E* u以前小家电我记得SELV是不用做球压的" b( n: p; u) Z6 N3 {
难道小家电就不用考虑过热? " Z' M" Q5 u. V! `6 A4 `
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。% t& e1 p2 Q) m' I
/ s) f! @; I& U6 n13.2 Resistance to heat (EN 60598:2008)
+ k- {$ `3 b; e* `External parts of insulating material providing protection against electric shock, and parts of
3 K9 O2 r" r- Finsulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
7 ?8 G, v& A J- x3 ]resistant to heat.
$ S: E# C" G. @ d8 tThe ball pressure test does not have to be applied to plastic parts of a luminaire which provide! X. ~8 ~* G( X* Q# E
supplementary insulation.
" L; z. G2 a! a) k# s k: {
; B& g# k8 [) T* E1.2.15
& @: v; F- i1 L, Dlive part
* o3 _: b2 e! o- H; fconductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.
/ K0 a! q' B# jNOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
; G3 {2 ~7 O. F# Y; Egiven in Annex A.) N7 i6 e! f/ d) E7 @
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30 Resistance to heat and fire (EN 60335-1:2012)( f+ g. r# U% I. E
30.1 External parts of non-metallic material, parts of insulating material supporting live# V6 n% @4 K' t: V0 u& y
parts including connections, and parts of thermoplastic material providing supplementary' M, q ^! y5 |, R! } M% b
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration$ P) r$ N4 s0 N f: [, C
could cause the appliance to fail to comply with this standard.
- e1 S$ r* X: h* O& e K/ Y! rThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
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( v5 m5 Z) k, Q' a9 G' ?3.6.4
2 H2 ~( J! C$ Ilive part$ [! S4 P% y5 r7 ]+ g% u
conductor or conductive part intended to be energized in normal use, including a neutral% n; z$ k# D% F" ?+ C% d
conductor but, by convention, not a PEN conductor
e9 _, C0 V5 S" CNOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.4 D7 S+ d: U7 \1 H% g1 D- \# C
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