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EN60065 2002版本 有三个条件 ) q% P% s+ p7 X- }2 j$ r
1.5mins max & 210K
" X1 D7 C [; D, r2. 符合20.1.3要求1 |# s3 F1 s' ?) ?
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( s% g7 T/ S, S* H$ {
b。。。。8 P5 l6 \- G" X( x* q
( @% s# ^7 {7 d6 l
很繁琐。。。。
3 p! p4 \4 S! z4 d9 \2 J. O: C3 Z! @' S0 z* N$ I3 C x8 c
但是最新版本IEC 60065 2011版本的说的很清楚
6 p% p+ a6 [$ r. f" S$ X
5 b0 ]* y9 `+ P+ S3 K11.2.3 Parts, other than windings and PRINTED BOARDS, providing electrical insulation
+ S: G0 x" {) ?$ l7 Q: dThe temperature rise of insulating parts other than windings and PRINTED BOARDS, the failure of9 c( f6 \5 _% c5 O4 V1 m p
which would cause an infringement of the requirements of 11.1, 11.2.2 and 11.2.4, shall not
" O" b& u" w! w: e! b$ v6 dexceed the values given in Table 3, item b) "Fault conditions".* p6 X6 G5 _& U/ {0 D
If a temperature rise limit is exceeded, and if there is doubt as to whether or not an electric B2 b2 p5 A! ~$ `$ v
shock hazard exists, a short circuit is applied between the conductive parts concerned and the
! Y {7 O5 _! Rtests of 11.1 are repeated.
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! _' [+ e# I3 r! Z* z' r3 c+ [
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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