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引用第36楼aiduoxi于2011-05-05 09:01发表的 :
( M' J1 W; F0 q2 Y `1 ^+ u% }至少IP67和IP65防护等级;
0 }! R2 O- B7 M7 \. e至少IP67或IP65防护等级;% e0 r O" j7 t5 I1 S
这和与或有区别吗?
3 j9 `9 v' P2 n+ E. v和 AND ,两者都;" h# f+ R: y$ V+ y! f
或 OR,两者满足其一;- _9 ~. _- |% I$ ~
还有一种AND/OR ,两者满足其一,或全部都可。
# I6 B& }: @ ~. i$ u; }( b; P% o5 w! w3 f6 T& D5 V1 [
以IEC/EN 60598-2-12夜灯标准为例:
. A, j, e" B6 h5 T8 Y12.6.8 Mains socket-outlet mounted nightlights shall not have a cover that is shaped and/ordecorated so that it is likely to be treated as a toy by children.
$ U! ?7 [8 F' ]; r+ {* M用的是AND/OR,即夜灯外盖的形状,或装饰,或形状+装饰,不能被儿童视为玩具。
8 E5 z) W: J' [: U! h近三年关于夜灯的欧盟通报中,充分说明了这一点,足球形状的被通报,带个卡通图画的也被通报。
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1 u' K% f, B* L0 F6 s9 f5 |看IEC/EN 60598-2-13地埋灯标准:' W# ?' F$ u9 _
13.5.2 Rated maximum surface temperature T in °C; T marking to be given on the luminaire
4 \; p$ {# y. R% v$ o1 p% Naccording to second column (B) of Table 3.1 of IEC 60598-1 and/or in the manufacturer’s
6 e( E! I" b9 W0 C) Vinstructions and catalogues.
0 `- _# c% u! a7 |也是AND/OR,即最高表面温度标识,可以在灯具本体标出,也可以只在说明书中,也可以灯具+说明书中标出。
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( U1 e1 o3 o9 s( ^6 O- ^1 z5 g13.13 Resistance to dust, solid objects and moisture
4 b0 s7 X1 i; GThe provisions of Section 9 of IEC 60598-1 apply, together with the following:
) b+ m2 J) V. q7 M8 p, aThe order of the tests specified in Section 9 of IEC 60598-1 shall be replaced by the order
) [9 S0 h2 w- j2 ^- [1 Lgiven in 13.12
/ D% L5 x1 \/ p2 l% I- I N: o; rLuminaires shall meet at least both IP65 and IP67 requirements., Z! L0 v9 z% J7 b& Q. k* }, f
IP要求用的是AND,是两者都要满足,即至少IP65和IP67。
5 N: X' r! I2 E& t防喷有IP65和IP66,水密有IP67和IP68,
. E; e) e2 {% j5 u6 b1 U: _因此有四种组合方式都认为满足标准要求。 |
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