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jsspace 发表于 2014-6-27 08:38  . p% B/ e" k% d6 t, |# j8 O e
以前小家电我记得SELV是不用做球压的
: A$ A+ | a& q3 d* z难道小家电就不用考虑过热？
0 x( t m! H. j1 b; k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。
4 x, H% b: l; y4 _3 @' n1 z1 I0 g {) X& g) u, J! e( w5 y
13.2 Resistance to heat （EN 60598:2008）& {9 D) \2 f5 W6 {/ o- h
External parts of insulating material providing protection against electric shock, and parts of" W2 ~# u5 |% W; p& a: H* C% ^
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
+ Y. g0 c9 |# }8 H: E0 i; nresistant to heat.
4 J- }# }! a4 m* wThe ball pressure test does not have to be applied to plastic parts of a luminaire which provide
/ y1 d+ x0 ]5 e l& L" gsupplementary insulation.
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1.2.15. _1 ~( f6 T3 A" H
live part/ Z6 X' P4 [6 d4 R2 e D. x6 }
conductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.
0 P: R# p8 T7 d# T$ XNOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
( G1 z( o: b! B- Jgiven in Annex A.
- _' Y6 ]( Z1 _2 ]" x====================================================================5 D. k+ g" c4 c5 Q- r9 ^- d
30 Resistance to heat and fire (EN 60335-1:2012)
8 t* q" O0 ?( Y9 W, b30.1 External parts of non-metallic material, parts of insulating material supporting live% v% u# ^. \9 X R0 b9 @
parts including connections, and parts of thermoplastic material providing supplementary
$ Z: `0 ]6 h% ]insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
) R- f& [3 ^" Y1 Fcould cause the appliance to fail to comply with this standard.( I: ^8 R" ~2 x3 A! K9 v
This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.- z' ]$ P- ^4 F. Y. b' E, Y ~
D5 w; M# [6 W+ v# R [! c3.6.4
' o- p0 R. n' I4 R) W8 plive part, n& p O8 W3 [5 Z
conductor or conductive part intended to be energized in normal use, including a neutral% z) C, m. T' M: u7 c. V& E3 X+ b
conductor but, by convention, not a PEN conductor
1 K; e% Z0 p7 q# B& \: `) SNOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.3 @ L% j& Q4 q4 e5 ?
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发表于 2014-6-27 10:58
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