IP3X防固体异物的判断

jsspace · 发表于 2012-10-7 22:14

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hzj101988 发表于 2012-10-1 21:18 * D. U3 y, d% c/ o0 j8 L
国标是没有规定排水孔大小、形状的吧！能排水即可！比如IPX4的话你1mm的网状排水孔也不好开啊，开模太难 ...

我之前的回复有问题，见盖云房兄的回复

tsunn · 发表于 2013-7-18 16:26

好帖，带防水孔和不带防水孔判据不一样。
另外问一下，IPX4测试后，灯泡上面有水珠，带电部件没有水珠，符合要求吗？

sdxiaomuyu · 发表于 2013-7-18 16:45

学习学习。

jjlamshushushu · 发表于 2013-7-18 17:01

tsunn 发表于 2013-7-18 16:26
, F. X3 `, Q' {- F好帖，带防水孔和不带防水孔判据不一样。& x! N/ G5 {; C6 W ?
另外问一下，IPX4测试后，灯泡上面有水珠，带电部件没有水珠，符 ...

IPX4测试后，灯泡上面有水珠，带电部件没有水珠，符合要求

tsunn · 发表于 2013-7-18 17:04

jjlamshushushu 发表于 2013-7-18 17:01 1 s. p& j: C( Q: R
IPX4测试后，灯泡上面有水珠，带电部件没有水珠，符合要求

实际使用中，随着时间的增加，灯泡上的水珠越来越多，多到一定程度它会沿着灯泡渗入到灯座里面呀，那样不是很危险？

520168 · 发表于 2013-7-18 17:32

IPX4测试后，灯泡上面有水珠，不符合要求。已经和LCIE确认过了。

520168 · 发表于 2013-7-18 17:40

有些灯泡发热淋到水就会爆。

tsunn · 发表于 2013-7-19 09:19

520168 发表于 2013-7-18 17:32
4 s1 u& u- M! C. Z2 P5 x! U6 R# JIPX4测试后，灯泡上面有水珠，不符合要求。已经和LCIE确认过了。

有没有文件支持，求分享。

wwnw_007 · 发表于 2013-7-19 10:23

本帖最后由 wwnw_007 于 2013-7-19 11:02 编辑

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。由于标准很长时间没有查看，我的描述有误，特此更正说明：灯泡上有水迹否，与灯具的具体安装位置相关的，如柱灯。针对此问题，好早前与某知名机构经理交谈过，标准没有明确规定灯泡上不得有水迹，但是实际操作时检测人员会考虑灯具安装位置的。
2) For luminaires with drain holes, water entry including condensation is allowed during the
tests if it can drain out effectively and provided it does not reduce the creepage and
clearance distances below the minimum levels specified in the standard。

tsunn · 发表于 2013-7-19 10:33

wwnw_007 发表于 2013-7-19 10:23
3 ?! R. ?% R. X4 j! Q* N2 `( B8 A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？
a) no deposit of talcum powder in dust-proof luminaires, such that, if the powder were
conductive, the insulation would fail to meet the requirements of this standard;
b) no deposit of talcum powder inside enclosures for dust-tight luminaires;
c) no trace of water on current-carrying parts or SELV parts where the voltage under load
exceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard
for the user or surroundings, for example, where it could reduce the creepage distances
below the values specified in Section 11;
d) 1) For luminaires without drain holes, there shall be no water entry.
NOTE Care should be taken not to mistake condensation for water entry.
2) For luminaires with drain holes, water entry including condensation is allowed during the
tests if it can drain out effectively and provided it does not reduce the creepage and
clearance distances below the minimum levels specified in the standard;
e) no trace of water entered in any part of a watertight or pressure watertight luminaire;
f) no contact permitted with live parts by the relevant test probe for first characteristic
IP numeral 2;
no entry into the luminaire enclosure by the relevant test probe for first characteristic
IP numerals 3 and 4.
For luminaires with drain holes in accordance with 4.17 and luminaires with ventilation slots
for forced cooling, no contact with live parts is permitted through the drain holes and
ventilation slots with the relevant test probe for the first characteristic IP numerals 3 and 4;
g) no trace of water on any part of a lamp requiring protection from splashing water as
indicated in the “informations for luminaire design” section of the applicable lamp standard;
h) no damage, for example, cracking or breakage of a protective shield or glass envelope,
such that safety or protection against the ingress of moisture is impaired.

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[IEC灯具] IP3X防固体异物的判断

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