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wwnw_007 发表于 2013-7-19 10:23 % x3 }5 F3 ]! o! b; ?; \( g
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。 5 {0 J9 ]( d( L& U* a
你说的明确规定,那请问是哪一条?
9 {3 \( K& a- P" ma) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were
1 v2 `# E; g' qconductive, the insulation would fail to meet the requirements of this standard;* D+ p3 ^% x' u* ^! U( f* q5 C7 S) ~
b) no deposit of talcum powder inside enclosures for dust-tight luminaires;2 e c1 z. A- v
c) no trace of water on current-carrying parts or SELV parts where the voltage under load
7 ?, f4 f% X9 j/ M+ U6 Xexceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard
$ t; ~! P1 l; \ u4 ^5 |0 Q8 Bfor the user or surroundings, for example, where it could reduce the creepage distances3 Q# C6 Z9 Z3 o- B$ K
below the values specified in Section 11;
5 F6 Q3 d$ M3 z- V+ Zd) 1) For luminaires without drain holes, there shall be no water entry.9 G. Y1 Z6 D- c! i, m4 k$ w0 z
NOTE Care should be taken not to mistake condensation for water entry.
1 @1 B5 j' w. O* `& S7 R! c6 N2) For luminaires with drain holes, water entry including condensation is allowed during the
1 F9 |' A/ ]' Y# K2 Otests if it can drain out effectively and provided it does not reduce the creepage and: o9 J; c: a% Z
clearance distances below the minimum levels specified in the standard;% f7 k8 ^7 ^/ G. K" {
e) no trace of water entered in any part of a watertight or pressure watertight luminaire;) X8 z; @8 E, U
f) no contact permitted with live parts by the relevant test probe for first characteristic$ O( N+ v2 U' V- c, C5 O( b7 t
IP numeral 2;
9 I$ V% A: R2 Z+ W& l9 ~8 ~6 yno entry into the luminaire enclosure by the relevant test probe for first characteristic0 I1 ~0 Z& R% c' R
IP numerals 3 and 4.
3 |$ y, \3 E, O* n5 n. R' q+ HFor luminaires with drain holes in accordance with 4.17 and luminaires with ventilation slots1 o7 R* }5 P' \$ j+ F2 @
for forced cooling, no contact with live parts is permitted through the drain holes and7 ?" S% c m. B) ]$ f
ventilation slots with the relevant test probe for the first characteristic IP numerals 3 and 4;
9 b, A% ]+ p" e; Y, y3 Jg) no trace of water on any part of a lamp requiring protection from splashing water as
+ N% U& x: t1 E/ eindicated in the “informations for luminaire design” section of the applicable lamp standard;
8 H- E* ~5 R- S4 i, uh) no damage, for example, cracking or breakage of a protective shield or glass envelope,
' ~5 h9 i; q# Dsuch that safety or protection against the ingress of moisture is impaired. |
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