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wwnw_007 发表于 2013-7-19 10:23 ( G+ w6 ]# ~! l3 b0 C0 L
请查看标准IEC60598-1:2008第9章节,关于淋水测试的相关要求,明确规定灯泡上不得有水迹。
2 ^- ]: O: q' O你说的明确规定,那请问是哪一条?
+ B f6 h4 U: k A! i( Qa) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were4 p4 o/ M# q' Z3 q) V7 n
conductive, the insulation would fail to meet the requirements of this standard;, o3 ~' Z* r0 a( F5 K7 o9 n
b) no deposit of talcum powder inside enclosures for dust-tight luminaires;
4 G; x! t0 F/ o7 Y5 pc) no trace of water on current-carrying parts or SELV parts where the voltage under load
; l' V# |4 V! _' Z+ Vexceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard7 [8 x- A5 N! i$ U# M$ N
for the user or surroundings, for example, where it could reduce the creepage distances7 ~, s9 ]; g3 @* @1 m$ i# a
below the values specified in Section 11;) i/ Q& R: D/ T( q) @
d) 1) For luminaires without drain holes, there shall be no water entry.
* A8 w) `. m) M" }: b$ f3 kNOTE Care should be taken not to mistake condensation for water entry.1 M. ~6 q# \( q- w7 S& ]3 q
2) For luminaires with drain holes, water entry including condensation is allowed during the# J! i" A! V( n
tests if it can drain out effectively and provided it does not reduce the creepage and
9 s' \5 J X8 b- P4 x3 Dclearance distances below the minimum levels specified in the standard;
5 O/ ~, I# C+ L4 ye) no trace of water entered in any part of a watertight or pressure watertight luminaire;3 S( @1 }. @3 D- A6 w
f) no contact permitted with live parts by the relevant test probe for first characteristic
$ [ ?: s! I r- w( k+ g' h! UIP numeral 2;
2 z; }! F. j& d1 H3 Wno entry into the luminaire enclosure by the relevant test probe for first characteristic
7 z0 K: g4 C! HIP numerals 3 and 4.5 b+ p+ Z- J4 A( G% H7 H
For luminaires with drain holes in accordance with 4.17 and luminaires with ventilation slots
' t7 @ G2 d1 Jfor forced cooling, no contact with live parts is permitted through the drain holes and
4 s+ D0 G8 N/ D- Z# N6 _ventilation slots with the relevant test probe for the first characteristic IP numerals 3 and 4;* g* N4 c9 M( l& } E
g) no trace of water on any part of a lamp requiring protection from splashing water as
6 X z9 i# k" A6 G8 Y5 \1 Cindicated in the “informations for luminaire design” section of the applicable lamp standard;
; i. ~5 t( ?. [: d+ F6 S( b/ {h) no damage, for example, cracking or breakage of a protective shield or glass envelope,$ X6 p+ j, [0 Q5 ?
such that safety or protection against the ingress of moisture is impaired. |
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