|
|
jsspace 发表于 2014-6-27 08:38 
. _- z6 T9 u( k3 }5 j以前小家电我记得SELV是不用做球压的% l( y+ p/ Y1 T6 G0 N9 S8 j
难道小家电就不用考虑过热? $ f7 Y( \; r& t5 n8 X2 p) D% v
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。
9 s) F1 ~, V6 w V: G" J4 p2 U) M
- F3 \' v+ m0 F, z13.2 Resistance to heat (EN 60598:2008)% P m2 x- ?% q' I; R4 `
External parts of insulating material providing protection against electric shock, and parts of$ E& y8 x! n9 z5 Z7 L+ _
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
' K7 ]) s$ l: A# i4 E! C) A3 _* \3 ^resistant to heat.) t! |( y4 [, U& N
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide
2 E0 V3 l0 X2 G! Y8 B( ysupplementary insulation.0 b0 j7 b' Y& y9 {
* ~3 J# O/ x) z& L
1.2.159 W5 c o: i- R
live part4 G$ }6 T6 I$ m
conductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.
8 }/ q( ~9 G- h# y. ?NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is! |; L( m% n5 p8 x% ]8 b8 B' C
given in Annex A.
9 Q& ]6 S! E# U: i2 `6 t====================================================================
- [" G' n+ N) \7 Q1 D30 Resistance to heat and fire (EN 60335-1:2012)
. k9 w' ?2 p; p30.1 External parts of non-metallic material, parts of insulating material supporting live7 ^7 V& ?0 S0 m# W
parts including connections, and parts of thermoplastic material providing supplementary
9 z8 z) p; w' t0 binsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
& e2 v$ |% @; h4 E3 rcould cause the appliance to fail to comply with this standard.
) T6 B0 h' i6 O4 h( ZThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
& @' ?7 L* \1 G9 F5 p% Y) k0 Y: r$ [: ?2 b8 h0 M
3.6.4
. ~ h1 J |0 X# Hlive part
, _! \; ~( o) c: v$ P1 sconductor or conductive part intended to be energized in normal use, including a neutral. p k6 Q. I( C! d7 O1 {
conductor but, by convention, not a PEN conductor$ W$ C" ?9 i) ~5 O% U) y4 Y
NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
: W! q* R1 W+ N& h7 Z |
|