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jsspace 发表于 2014-6-27 08:38 P- c" o0 x+ K, F+ e9 }9 h
以前小家电我记得SELV是不用做球压的
* i# ]! z& Z" W! b2 [难道小家电就不用考虑过热? & h2 h8 Y; k/ [- e M, O" W* m
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。' N& ^& P1 g" H& W
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13.2 Resistance to heat (EN 60598:2008)
$ e9 |! @' E7 ~4 EExternal parts of insulating material providing protection against electric shock, and parts of
4 i2 S7 |1 c' y: {6 Jinsulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
1 Y# ], Z. w7 ?$ l" {9 aresistant to heat.2 o4 k' [0 ?! p' `, K5 q! l
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide
% ^4 y$ Q: @( L8 Rsupplementary insulation.% z# K7 ]2 W! R2 J. [
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1.2.15
7 Y' y/ n1 t+ s5 @4 t! Alive part
) H8 ]; y" g2 ~ {8 uconductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.* n3 T# G' [, Z8 m9 s A& Z/ u
NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
5 I6 j6 N% H) b6 ]# ^3 G8 agiven in Annex A.
1 E0 y4 Z; ~- e2 w0 d$ C: h====================================================================
6 j b5 r) C! b8 E9 ]30 Resistance to heat and fire (EN 60335-1:2012)
, `2 _' ] ?. b, @8 s4 o30.1 External parts of non-metallic material, parts of insulating material supporting live" h$ I' G- D# z& ` S% `! s
parts including connections, and parts of thermoplastic material providing supplementary
( q& Z( C9 c. |" i( t, einsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration9 [2 S% f$ x* n1 ~
could cause the appliance to fail to comply with this standard.9 D# u f7 a+ W
This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.6 ?- x5 l7 w9 q
2 f1 B! R& @$ i1 a g1 G3.6.4
7 Y/ @/ [7 L: W" ]3 H) llive part" }. r) P. _& k! [+ U4 \0 d
conductor or conductive part intended to be energized in normal use, including a neutral" [* b% ?9 U% Z5 ^5 B
conductor but, by convention, not a PEN conductor$ m. x8 v, o( f3 j
NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
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