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EN60065 2002版本 有三个条件
& [2 W9 S6 P* X1.5mins max & 210K
% M" `5 ^) E9 B' B: H _) Q6 [2. 符合20.1.3要求
+ I; P% G5 \( @a.<2 cm2 PCB (不明白这个2cm2 PCB指的是什么面积？是PCB的大小，还是故障时燃烧的面积不要超过2cm2），不要超过210K/ K) F9 l7 [& }% P; R
b。。。。
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很繁琐。。。。& z ^* h8 @- }* W& h+ J _0 g$ b
" R# X2 n" b7 v; _$ I- s% J9 n0 k6 z
但是最新版本IEC 60065 2011版本的说的很清楚6 z0 o2 Q5 q0 i$ \
8 j5 |4 L: y1 ?1 h! s/ G; M
11.2.3 Parts, other than windings and PRINTED BOARDS, providing electrical insulation j' {, r5 s2 E5 W$ F3 `0 _
The temperature rise of insulating parts other than windings and PRINTED BOARDS, the failure of
6 O! Y! K6 _: R( u5 B" p1 R5 xwhich would cause an infringement of the requirements of 11.1, 11.2.2 and 11.2.4, shall not
/ Y& A& t: M8 h4 Q5 Aexceed the values given in Table 3, item b) "Fault conditions".: W/ |6 W, N0 ]- F# M( \# m
If a temperature rise limit is exceeded, and if there is doubt as to whether or not an electric
0 r. j) F) c. ?: b$ ?0 j6 Ushock hazard exists, a short circuit is applied between the conductive parts concerned and the
. j6 w' U% k0 z+ N, ]0 \6 gtests of 11.1 are repeated.
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2 i* S; c( a! G: L$ x9 z7 m3 _) F
最新的就说的很清楚。 |
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发表于 2011-11-18 14:27
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