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wwnw_007 发表于 2013-7-19 10:23  + ~ ^' v2 w5 N- ~4 Z
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？! t: g% V5 S3 x& h
a) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were
% [& t4 j5 {* ~5 M/ Mconductive, the insulation would fail to meet the requirements of this standard;; x5 P( N! T+ R# C; d8 l
b) no deposit of talcum powder inside enclosures for dust-tight luminaires;- E( r" T3 m. O. H) Q* r1 m# f
c) no trace of water on current-carrying parts or SELV parts where the voltage under load
; S4 f& Z1 k3 d5 Sexceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard
; J; Y# z6 A% s& E! bfor the user or surroundings, for example, where it could reduce the creepage distances, {! `( Z3 M" h+ e
below the values specified in Section 11;
( Y/ `; i; h ~; b. t2 b9 Ad) 1) For luminaires without drain holes, there shall be no water entry.6 l2 O" K; x0 `- s1 S
NOTE Care should be taken not to mistake condensation for water entry.
+ Y# U* M$ w3 U- g. {1 ^2) For luminaires with drain holes, water entry including condensation is allowed during the/ k3 J5 p( d$ W/ T
tests if it can drain out effectively and provided it does not reduce the creepage and5 w& o4 s N- b
clearance distances below the minimum levels specified in the standard;
, N* z+ x6 K! ?) }9 ?e) no trace of water entered in any part of a watertight or pressure watertight luminaire;; p$ ]% L, ~ ?4 W/ ]
f) no contact permitted with live parts by the relevant test probe for first characteristic
+ u7 R5 q8 ^ }: LIP numeral 2;# F9 [- {' [2 l+ y' k
no entry into the luminaire enclosure by the relevant test probe for first characteristic4 _* ]) L8 h- q0 C7 m: c3 {
IP numerals 3 and 4.- |8 @" P5 X* \
For luminaires with drain holes in accordance with 4.17 and luminaires with ventilation slots! B; z- T! R1 l0 R
for forced cooling, no contact with live parts is permitted through the drain holes and2 R# |) g- A* J* Q
ventilation slots with the relevant test probe for the first characteristic IP numerals 3 and 4;
+ `) ~0 S9 o4 ]% {+ ig) no trace of water on any part of a lamp requiring protection from splashing water as/ o$ h2 N, F8 q
indicated in the “informations for luminaire design” section of the applicable lamp standard;9 T" q& g4 q- b! k( N% [1 P Y
h) no damage, for example, cracking or breakage of a protective shield or glass envelope,) X7 O7 J$ ]* D# X7 S# h) w
such that safety or protection against the ingress of moisture is impaired. |
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