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jsspace 发表于 2014-6-27 08:38 0 b; n: t0 Q: {9 D) ?
以前小家电我记得SELV是不用做球压的
/ L& |. t3 r8 Y+ f! Y, `0 {难道小家电就不用考虑过热?
/ J$ d e, M8 L: `& h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。+ C, ~5 s8 j9 q/ J6 d- @
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13.2 Resistance to heat (EN 60598:2008), ~& [- G- R& l: G( b0 S4 P6 W! K+ c
External parts of insulating material providing protection against electric shock, and parts of
! N! H, ^2 q, {9 \insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently+ n" d3 u+ O* V( p
resistant to heat.; c( A0 f' M; s2 F' f2 G% |
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide. E4 Q) M0 v. a {% D4 _
supplementary insulation.
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1.2.15
v1 x7 w, _7 \' Q% V. \3 }live part
6 {. B0 j4 s3 A7 {/ F/ h; Econductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.( F+ |; Q9 d8 w- B
NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
! o$ I, b+ L# i- Rgiven in Annex A.
* Z8 Z# x4 G9 N0 D( p, G====================================================================
8 B, Q f F1 j) d30 Resistance to heat and fire (EN 60335-1:2012)6 l9 e; ?+ |' u A+ E3 O( x
30.1 External parts of non-metallic material, parts of insulating material supporting live) S/ F: x1 h4 \ G
parts including connections, and parts of thermoplastic material providing supplementary% `! f4 K5 p' e4 y( d6 N: W! }
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration1 ~2 p7 n. n, @9 v( H8 h9 C: s
could cause the appliance to fail to comply with this standard.
* R( W7 o8 X# R* c1 _This requirement does not apply to the insulation or sheath of flexible cords or internal wiring./ J l; e" F4 t7 C" ]8 B
8 B2 |9 o/ |+ V" r3.6.4
0 Y# V! S3 ^7 v8 `$ h5 a @, h- f6 o% qlive part; ^; U) J4 X+ V
conductor or conductive part intended to be energized in normal use, including a neutral
% ]6 r2 p0 n" Z% t4 f, iconductor but, by convention, not a PEN conductor
$ G+ b' h2 a0 M2 {7 X3 R, i* y9 uNOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.! g" x" a6 Z7 ^- f7 Y
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