|
|
wwnw_007 发表于 2013-7-19 10:23 
* [1 e' f' Z" w" L! W4 M' 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。
% q# O' ]+ y' ?/ m6 ]# c你说的明确规定，那请问是哪一条？
8 y, ~; X: E: Q3 v2 x/ N7 H9 ]a) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were
l2 B" s( U3 B5 G0 sconductive, the insulation would fail to meet the requirements of this standard;
; y }/ {6 b, P9 \b) no deposit of talcum powder inside enclosures for dust-tight luminaires;
$ r: t6 n" c2 B# _9 A3 [' Bc) no trace of water on current-carrying parts or SELV parts where the voltage under load0 T7 z5 N% d4 J3 m) P6 i
exceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard( t) r7 @5 y' E7 E7 @8 Q
for the user or surroundings, for example, where it could reduce the creepage distances( I0 H& j1 e+ w* P6 u2 a
below the values specified in Section 11;. [+ J9 x( `4 C! H2 Q
d) 1) For luminaires without drain holes, there shall be no water entry. q/ ]& w' m; F) Y$ H" A+ C
NOTE Care should be taken not to mistake condensation for water entry.
5 V& ^( x Y, H/ X4 V7 P: B7 x) Z2) For luminaires with drain holes, water entry including condensation is allowed during the
1 W* m2 W1 B; p5 y. k2 F6 Ftests if it can drain out effectively and provided it does not reduce the creepage and
- x1 h& [. m) Kclearance distances below the minimum levels specified in the standard;2 r7 |/ S8 m# `' y
e) no trace of water entered in any part of a watertight or pressure watertight luminaire;
2 D: I6 |1 b ^& r) Cf) no contact permitted with live parts by the relevant test probe for first characteristic: h* j' O, ?$ E9 Y R3 S* B
IP numeral 2;
' `. O, `, k% [) q* t3 s# kno entry into the luminaire enclosure by the relevant test probe for first characteristic7 ?$ y! v$ C; Q) L: p: _, s4 l) S
IP numerals 3 and 4.# ?8 f6 K2 J0 R, [: _! C; Y
For luminaires with drain holes in accordance with 4.17 and luminaires with ventilation slots& l1 T. u* ~0 ~, r1 F' e
for forced cooling, no contact with live parts is permitted through the drain holes and
; x/ w) V2 g3 b6 K8 uventilation slots with the relevant test probe for the first characteristic IP numerals 3 and 4;: ]$ {5 c4 n$ t2 s) _5 u5 o
g) no trace of water on any part of a lamp requiring protection from splashing water as
?0 y3 F/ L0 M; t9 r @$ W6 Sindicated in the “informations for luminaire design” section of the applicable lamp standard;
, |: B/ Z, `. x: ~' ^& z. p4 V8 Th) no damage, for example, cracking or breakage of a protective shield or glass envelope,
9 L& [# z" P4 N0 ?+ ~8 Ssuch that safety or protection against the ingress of moisture is impaired. |
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
楼主
显身卡
发表于 2013-7-18 16:26
发表于 2013-7-19 10:23
