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wwnw_007 发表于 2013-7-19 10:23 ) w0 s. B9 O: o
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。 * x1 o- }/ O- A6 f/ g
你说的明确规定,那请问是哪一条?
+ f0 `. R# I# I1 h: va) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were" o1 `" u0 b% J6 }+ Y, O0 Y
conductive, the insulation would fail to meet the requirements of this standard;
: Y. A$ m( [7 U/ Hb) no deposit of talcum powder inside enclosures for dust-tight luminaires;
% K3 {) N5 G+ i! d! a' T9 Jc) no trace of water on current-carrying parts or SELV parts where the voltage under load
/ U. |: S1 I- {' q( @# o. Pexceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard" ^1 ~2 f! |% e
for the user or surroundings, for example, where it could reduce the creepage distances
* u3 Y. V; n; A' Z2 u7 ]below the values specified in Section 11;! G z9 r! P( y) Y# [+ ~0 T
d) 1) For luminaires without drain holes, there shall be no water entry.
2 W* s2 y8 s! e) Z# F6 TNOTE Care should be taken not to mistake condensation for water entry.
9 t/ n" ^" V+ A2) For luminaires with drain holes, water entry including condensation is allowed during the
# A+ K8 @+ U! j; y, M6 Y0 Z. stests if it can drain out effectively and provided it does not reduce the creepage and; V' b$ O' e! T2 r3 |+ r
clearance distances below the minimum levels specified in the standard;- h% d2 k: m6 k: r! O4 U
e) no trace of water entered in any part of a watertight or pressure watertight luminaire;
R; ~9 _3 j/ p1 x0 bf) no contact permitted with live parts by the relevant test probe for first characteristic
4 `; K8 O" i% R6 kIP numeral 2;& t" q, `1 ?6 O
no entry into the luminaire enclosure by the relevant test probe for first characteristic
. z2 n& i6 g xIP numerals 3 and 4., H( z4 m9 x$ N( G' c+ C
For luminaires with drain holes in accordance with 4.17 and luminaires with ventilation slots
' Q. d) W9 m6 [6 a# S) hfor forced cooling, no contact with live parts is permitted through the drain holes and/ L7 {% L& {8 K) P1 x* K: l9 a
ventilation slots with the relevant test probe for the first characteristic IP numerals 3 and 4;) l' k2 J; r( x5 L& X7 D
g) no trace of water on any part of a lamp requiring protection from splashing water as; ^7 |# K7 x, q2 }, L9 w
indicated in the “informations for luminaire design” section of the applicable lamp standard;5 ~; p4 a: o7 ?+ ?/ E/ `7 n, W6 _
h) no damage, for example, cracking or breakage of a protective shield or glass envelope,
( {8 s- p3 k. Q: Hsuch that safety or protection against the ingress of moisture is impaired. |
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