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wwnw_007 发表于 2013-7-19 10:23  8 H, a' }6 @7 \& w* U2 I3 v
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。
你说的明确规定，那请问是哪一条？6 w4 `# f/ a' ?+ _: f& q2 w
a) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were
1 x8 L0 O# x' fconductive, the insulation would fail to meet the requirements of this standard;# t9 s1 K, X0 j8 T; F, q
b) no deposit of talcum powder inside enclosures for dust-tight luminaires;
, O0 e" m8 g, ?- Oc) no trace of water on current-carrying parts or SELV parts where the voltage under load6 G. v( E# q' H
exceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard) N; D, O7 c4 i6 k) P7 o9 P+ _
for the user or surroundings, for example, where it could reduce the creepage distances
# p/ x6 G4 o$ y' x4 ]below the values specified in Section 11;" N0 L8 g8 M: E. c' {3 T5 N6 A
d) 1) For luminaires without drain holes, there shall be no water entry.
2 O0 }' p5 [+ C, u% k4 J' pNOTE Care should be taken not to mistake condensation for water entry.
$ G6 ?1 \" b" w7 J R9 L u, |- T2) For luminaires with drain holes, water entry including condensation is allowed during the
/ P( t; y- K- X) `4 h' x% Htests if it can drain out effectively and provided it does not reduce the creepage and
W, ~$ {7 g% aclearance distances below the minimum levels specified in the standard;
1 ?% g! H" x1 ]: N9 M | D9 Q/ Ie) no trace of water entered in any part of a watertight or pressure watertight luminaire;
! g, u$ y5 V3 C, n/ N; Ef) no contact permitted with live parts by the relevant test probe for first characteristic$ [9 k, x2 }3 r
IP numeral 2;* d* d. D& U( j3 O) D/ f. o ^
no entry into the luminaire enclosure by the relevant test probe for first characteristic
8 |) b2 q) }* ~0 ^IP numerals 3 and 4.
! r4 s/ W p' _7 R: v+ ?5 hFor luminaires with drain holes in accordance with 4.17 and luminaires with ventilation slots
$ P6 _7 q% v# h, ?- X* w( L" Q" Sfor forced cooling, no contact with live parts is permitted through the drain holes and2 r K9 z( @3 g" \ v- r* G
ventilation slots with the relevant test probe for the first characteristic IP numerals 3 and 4;
. a b9 D# \ I: B$ M1 f. xg) no trace of water on any part of a lamp requiring protection from splashing water as
: \( s% S3 ~! i# H+ {; i9 Yindicated in the “informations for luminaire design” section of the applicable lamp standard; z- ^# o% U, a0 |
h) no damage, for example, cracking or breakage of a protective shield or glass envelope,
* U# v0 D6 Q; I& e z- }such that safety or protection against the ingress of moisture is impaired. |
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发表于 2013-7-19 10:23
