求教IEC60598-1: Section 9

ryanluk

广东安规检测
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大家好！
' i6 N8 M2 n! ]! v, B" g* s
$ ~  n: X( T. c- N; y& Z# r& r" e 请大家帮忙理解下面IEC60598-1 Section 9 标准中的要求。
& i5 C" a3 o3 H' ^9 x
For tests of 9.2.3 to 9.2.9, a fixed luminaire intended for mounting with its body in contact with
a surface shall be tested with an expanded metal spacer interposed between the luminaire and
; ~1 F# h4 |# `% kthe mounting surface. The spacer shall be at least equal in overall size to the projection of the
luminaire, and have dimensions as follows:
Longway of mesh 10 mm to 20 mm
9 b4 k  t* a) Z" eShortway of mesh 4 mm to 7 mm
- W  w" m  a9 W$ j3 W1 tStrand width 1,5 mm to 2 mm
Strand thickness 0,3 mm to 0,5 mm
Overall thickness 1,8 mm to 3 mm
9 C% `0 q% Z% U5 ^2 {
: }. R) \$ a7 X  i' A4 E我的问题是：做IPX3和IPX4测试时，当灯具本身的安装面尺寸仅有100mm,但是灯具总的投影面有850mm。那么隔板的尺寸要需要多大呢？是刚好100mm或者是850mm.(注：隔板是用在灯具和安装面之间，做隔离。) 麻烦各位前辈帮忙解答这个问题。谢谢！

ryanluk

这是怎么了？你信不信，反正我信了！

laxijing

你信的人。已经下课了。

mountaindog

回答：850 mm + 10mm

0 B( P6 Z1 ?, m( a6 x请看一下标准：
2 E4 k" g6 R8 q, x- I3 yIf the installation instructions indicate that a drip-proof luminaire is for ceiling or under-canopy
: ]2 i/ c8 _" t4 ~mounting, the luminaire shall be attached to the underside of a flat board or plate which
extends 10 mm beyond that part of the luminaire perimeter in contact with the mounting
; J  \! T; G) i' Wsurface.

mountaindog

更正回答：100 mm + 10mm

请看以下标准：
If the installation instructions indicate that a drip-proof luminaire is for ceiling or under-canopy
mounting, the luminaire shall be attached to the underside of a flat board or plate which
$ Y- m0 f5 o1 P, [% \- K3 Bextends 10 mm beyond that part of the luminaire perimeter in contact with the mounting
surface.