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引用第36楼aiduoxi于2011-05-05 09:01发表的 :+ w+ c. r# Q% R: E+ m; {
至少IP67和IP65防护等级;2 t/ {! ]/ G1 |3 j) s4 K, _0 I+ w
至少IP67或IP65防护等级;0 r; D. M* f k
这和与或有区别吗? 7 R% i' [' g# M: E( C
和 AND ,两者都;" i4 q* `& b, j3 p. ^/ F
或 OR,两者满足其一;
& e8 |8 l/ L; }( ^! F( c还有一种AND/OR ,两者满足其一,或全部都可。
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+ w: X r/ T/ H$ ~以IEC/EN 60598-2-12夜灯标准为例:
: O" R) z5 A1 c3 l* L a12.6.8 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.
/ M" X8 X% E' u9 t8 v/ B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。3 g) W! _/ Y' B0 \) S
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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' _; f+ k& E9 ] ^8 Q' s2 Q3 d看IEC/EN 60598-2-13地埋灯标准:
" u; r4 j3 b8 V: I6 q/ ]13.5.2 Rated maximum surface temperature T in °C; T marking to be given on the luminaire
; e6 N* f5 k3 [according to second column (B) of Table 3.1 of IEC 60598-1 and/or in the manufacturer’s
; }0 f) d1 `6 ?2 M$ Cinstructions and catalogues.( i" Q$ Y# y3 A9 }+ p
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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3 Y" z) w7 \9 ^13.13 Resistance to dust, solid objects and moisture9 i# a4 \: r( R. k% y* b+ b9 l: p1 T
The provisions of Section 9 of IEC 60598-1 apply, together with the following:
- A; v: M! E$ J5 b5 DThe order of the tests specified in Section 9 of IEC 60598-1 shall be replaced by the order$ v: T5 [( u% {9 v3 A' Q* d
given in 13.12
6 r: T6 H3 q4 J! X8 p4 HLuminaires shall meet at least both IP65 and IP67 requirements., X' A$ B y/ `8 N# n- x
IP要求用的是AND,是两者都要满足,即至少IP65和IP67。
0 z0 d5 E9 D0 p _& d防喷有IP65和IP66,水密有IP67和IP68,* }& d5 N' q6 k: M' U* d1 \
因此有四种组合方式都认为满足标准要求。 |
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