标题: 关于UL1082标准7.11疑问 [打印本页] 作者: myhet 时间: 2008-5-18 11:02 标题: 关于UL1082标准7.11疑问 7.10 An opening in the enclosure that has a minor dimension of less than 1 inch (25.4 mm) is acceptable9 d5 `% }# I7 p. V! w$ w/ ?' a4 y
if a probe as illustrated in Figure 7.2, inserted through the opening, cannot be made to touch any2 i2 r$ [" V, X' J/ \
uninsulated live part of film–coated wire that involves the risk of electric shock. The probe shall be applied $ v" g" l1 H. d9 u' \7 H6 cin all possible articulated positions before, during, and after insertion.9 q* x* x1 p8 @$ x) c
7.11 An opening that has a minor dimension of 1 inch (25.4 mm) or more, in an enclosure, as illustrated& H R; A: t- p. t
in Figure 7.3, is acceptable if, within the enclosure, there is no uninsulated live part or film-coated wire 6 i# c3 a) q. w5 @/ b$ o* tless than; 8 l: r' d2 r( o4 wa) R distance from the inside edge of the perimeter of the opening and 4 N. D1 g4 {/ Y5 r1 n3 hb) X distance from the plane of the opening. / f! Z: j, ]* o7 w: W3 G% `T equals the enclosure thickness, R equals X minus T, and X equals 5 times the diameter of the largest% _+ h% d) ?( m) F. i8 M! G
round rod that can be inserted through the opening but not less than 6-1/16 inches (154 mm). In5 j# _5 v0 T2 }! y6 o, x
evaluating an opening, any barrier located within the volume is to be ignored unless it intersects the. b5 E6 m; D% k* u
boundaries of the volume in a continuous, closed line.4 R% E& R' t* \3 d) z5 P4 s
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7.11是否说在一个符合7.3描述的外壳上，当有大于或等于25.4mm的开口时，如果在外壳的以下范围内没有uninsulated live part or film-coated wire的是可以接受的？ ! R0 R6 j9 i7 Z4 B# i$ a3 P' e这个范围是：A，从开口内边角算起的R距离间。R=外壳厚度+X 1 x8 v$ G1 U9 h, g B，从开口平面算起的X距离间。X=MAX.（5*Rod直径，154mm）作者: simondai 时间: 2008-5-19 22:09
个人理解: 5 h% f7 }% n7 q* r% h# h4 v9 t7.11 当产品的外壳上有如图7.3那样的一个开口,并且此开口的最小边长度大于等于1英寸时,如果能够满足：$ \' |* h( z' O. l
d3 z: V5 T( m1 }7 yＡ）在以开口内边为中心，距离为Ｒ的周长范围内，同时 * Q) j I! e- t9 XＢ）距开口外表面Ｘ距离的范围内 $ L7 ?3 E% @9 M x- |6 h. X! |4 k5 h) [8 i5 X5 y q/ K' x* ~7 N# ^& M. ~/ P5 W
没有任何未绝缘带电体或者漆包线，则认为是可接受的．/ M. w6 g6 A* x* Q: d1 H% w/ a