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大家好!
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请大家帮忙理解下面IEC60598-1 Section 9 标准中的要求。
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# B7 m0 [" _& K, V$ v/ o0 yFor tests of 9.2.3 to 9.2.9, a fixed luminaire intended for mounting with its body in contact with# }; \3 l5 W5 d6 ~# `
a surface shall be tested with an expanded metal spacer interposed between the luminaire and( q. P0 f, g* j% ?
the mounting surface. The spacer shall be at least equal in overall size to the projection of the6 F' ~! c7 v+ H3 y
luminaire, and have dimensions as follows:
# P* A+ N; a" c; Z5 X2 k! |Longway of mesh 10 mm to 20 mm
/ [) @! ?" r1 ~% T- nShortway of mesh 4 mm to 7 mm
2 L9 p% D) Y( Z1 S: c" a9 @Strand width 1,5 mm to 2 mm6 \6 f& |" x8 u3 x, a
Strand thickness 0,3 mm to 0,5 mm# Y/ \$ f5 H; s) G& f6 [9 [/ A
Overall thickness 1,8 mm to 3 mm8 x; d$ |; ^2 U1 C6 `3 d
2 C4 F' _& }( \% m# L6 \& Q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! |
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