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jsspace 发表于 2014-6-27 08:38 
- p1 r2 S- w9 o @' ^5 r以前小家电我记得SELV是不用做球压的7 r' T/ v8 e B# K% {6 g
难道小家电就不用考虑过热?
& r1 f+ ?. F' h4 s9 F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。3 t5 e' B; T$ h! i E3 M% r
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13.2 Resistance to heat (EN 60598:2008) ?- b' R( B$ T2 b, o* R1 _* ~
External parts of insulating material providing protection against electric shock, and parts of9 J: j3 q& z5 b$ |
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently$ |0 K/ v" p# A% o0 t3 Z1 _
resistant to heat.
7 g0 e) }9 N' W$ IThe ball pressure test does not have to be applied to plastic parts of a luminaire which provide
7 m- a* c% A" Z1 |# c2 osupplementary insulation.4 b9 J9 J6 u2 s& F, F& z
: `+ w" r1 P2 C5 |1.2.154 |* z1 E; F$ I) z
live part
& n/ f1 R8 k+ e+ ^" ?7 G9 ]* Jconductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.
0 D" G8 ?; \* j4 Z* a4 s: dNOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is3 a3 y% }+ k, z' E
given in Annex A.
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30 Resistance to heat and fire (EN 60335-1:2012)
3 u6 P# d/ }5 ^7 _30.1 External parts of non-metallic material, parts of insulating material supporting live
; K& q5 c) ]; [! v7 Hparts including connections, and parts of thermoplastic material providing supplementary
2 E" J* O* `/ q& T1 R9 b) Minsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration6 S6 n2 L- {. ^- J% p) X6 {
could cause the appliance to fail to comply with this standard.
- y$ \. @* P- E6 L9 VThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
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- A# v8 ?$ |# @# V& {3.6.4
7 _( _; |5 F* i' jlive part
8 a p1 n, g+ [' a: Fconductor or conductive part intended to be energized in normal use, including a neutral) {; m* [6 H) g/ l
conductor but, by convention, not a PEN conductor
. }; v& S/ j1 dNOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.; {( [0 n h* r5 e" f1 f# F9 x* u
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