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jsspace 发表于 2014-6-27 08:38  $ r$ r3 o3 f1 R3 m! d9 A/ g
以前小家电我记得SELV是不用做球压的) s! `: P) |/ @! u9 w* D# W
难道小家电就不用考虑过热？
# R) n& n2 g* [; B8 Y" }* G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。
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; ?1 A3 s( @1 t g. r' P13.2 Resistance to heat （EN 60598:2008）/ ~5 ?- M4 F! w
External parts of insulating material providing protection against electric shock, and parts of
7 R* o' r. S {9 c$ E1 X7 qinsulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
|( W! N; ?6 Q rresistant to heat.( p9 P! |" x9 v* T/ l, \8 q
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide
" m5 b% c+ b# T6 F( F3 nsupplementary insulation.
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1.2.15
0 k }4 O0 { L$ E; O6 `live part7 g8 H- u& t2 Z" b
conductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.
7 t1 X2 F+ i' @+ B' X* BNOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
; {4 Q* p/ I1 P6 ^given in Annex A.
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30 Resistance to heat and fire (EN 60335-1:2012)9 X. T( Y0 U2 u4 Y4 e* i( J
30.1 External parts of non-metallic material, parts of insulating material supporting live! r* X) N. p# Q7 s1 `2 p9 A7 G7 O2 |
parts including connections, and parts of thermoplastic material providing supplementary
) {, ]1 Z9 j/ u& S3 Q2 minsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
/ V" J( v0 m2 qcould cause the appliance to fail to comply with this standard.
2 e( S5 c, X. p# B2 B$ k5 S4 gThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
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3.6.4
! `1 h7 V6 @# w+ ilive part
) ~: d, X* \- n; `3 A: ~2 Lconductor or conductive part intended to be energized in normal use, including a neutral' Y3 b2 D9 `/ P# q
conductor but, by convention, not a PEN conductor- a- B$ O* j# A: t
NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.7 e" L! b% U8 c" ^
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发表于 2014-6-27 10:58
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