|
|
jsspace 发表于 2014-6-27 08:38 / P6 t% ]$ A# Q% I5 [) o* J
以前小家电我记得SELV是不用做球压的
2 G- T+ [4 V" q% X8 A; d难道小家电就不用考虑过热?
6 l" F! e8 V3 E3 `$ |; w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。
1 w( c- e6 w# O8 z# G
: v+ T" j1 L. U2 @13.2 Resistance to heat (EN 60598:2008). `& P) J4 a4 ~ T& `
External parts of insulating material providing protection against electric shock, and parts of" J$ O1 C3 H: f ?4 @
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently
h$ `6 M- R5 U; P% U- jresistant to heat.
1 s' x) g) ^& L' q& T- C" I2 }8 [/ gThe ball pressure test does not have to be applied to plastic parts of a luminaire which provide% @" S5 b: W; B U
supplementary insulation.- B2 W1 p* {/ ] C% P
3 t& ]2 F4 u0 ?" S& Z# ^1.2.15
* I/ P/ F% {* X4 j$ mlive part' K9 R1 C+ c, I
conductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.& Z5 \: R5 z' j* U) n7 r2 l( e
NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is u/ t- w2 @& ?3 V( b- F+ H0 o5 i6 E
given in Annex A.% r/ r* `* ?+ P7 ^* q _. i
====================================================================6 \# \7 ?% j7 ^: h& \3 z2 |
30 Resistance to heat and fire (EN 60335-1:2012)" F* t, d, i% q G& W
30.1 External parts of non-metallic material, parts of insulating material supporting live' n& O- Q$ S( ~( s' D5 F
parts including connections, and parts of thermoplastic material providing supplementary" Q4 z: @4 w: \
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
6 [& A* V* z& g( M. Z: L6 ~$ Ecould cause the appliance to fail to comply with this standard.
! q. S |; a! yThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
9 v3 w3 }7 |# j& I$ c/ ~
# J* ? ~' S+ U w! K6 [3.6.4/ F2 h7 |* |" c' a4 [, X8 M
live part
! c1 b1 u8 a; e5 Xconductor or conductive part intended to be energized in normal use, including a neutral
- f' N) I% C5 a V) ~conductor but, by convention, not a PEN conductor
" L! b) j, q6 p# f, C+ L5 \ C& k# v% yNOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
0 \8 i9 Q2 o2 s) t9 ~ |
|