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jsspace 发表于 2014-6-27 08:38 - K5 x8 W7 G. n& ?1 Y
以前小家电我记得SELV是不用做球压的4 |/ _( x$ R G- e1 e' m3 ], O
难道小家电就不用考虑过热? % S: h7 h; w( { a) w$ F
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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/ C5 p1 K& M2 c% S! m; G# A( G13.2 Resistance to heat (EN 60598:2008)
" g1 n3 Z+ O! A) ~! XExternal parts of insulating material providing protection against electric shock, and parts of
1 H8 k. q9 w$ [' o+ finsulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
* q9 ?! C: `/ Cresistant to heat.6 M) }) q0 _/ r! S6 A
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide
% e+ W. N4 Y9 }4 L8 osupplementary insulation.
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; P5 `2 H1 r6 r/ g* y+ |1.2.15' V8 _9 P& h0 @8 {. f
live part0 O8 S4 p6 N. J& n1 H( o1 f! d1 a
conductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.* c7 R, J2 B. |: p8 n' d4 C& S. r
NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is {3 ]& { [$ R0 s
given in Annex A.5 F& A! F$ c' u
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( B5 o6 w; N$ I9 q1 O# R# P) O30 Resistance to heat and fire (EN 60335-1:2012)/ M, ?, i$ s1 m1 p
30.1 External parts of non-metallic material, parts of insulating material supporting live% Z% e& v N+ G# Y
parts including connections, and parts of thermoplastic material providing supplementary0 C0 p& D+ x+ L% ^3 ~& \! C
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration1 |7 F% i ^* e+ w0 P' F- g
could cause the appliance to fail to comply with this standard.
9 v7 q9 O' F, d, _This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.6 C6 \/ k& g- F
: }. u7 }5 g& c# B$ y: N8 Q4 f; C3.6.4
' `. H4 ~- A! M0 d x' V) a6 }5 L7 qlive part! ^3 a) t3 n) @
conductor or conductive part intended to be energized in normal use, including a neutral U0 H! K% b5 ]6 ]6 L. ~
conductor but, by convention, not a PEN conductor
. M: D% @& u: x, N- ENOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.9 _% H7 r7 g4 W0 r, `2 |
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