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EN60065 2002版本 有三个条件 4 f- t. O4 K5 b
1.5mins max & 210K
2 S L4 a. s& t2. 符合20.1.3要求9 O6 X+ D c, H$ v+ q H, E: g* M
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210K6 l" ?9 _. t: w9 P4 r+ o
b。。。。, o T& H! N* h" a3 T- v+ O% i
- A" Q9 U" j7 y. I. C4 \ R很繁琐。。。。
2 V* x2 j" A. g$ v$ K3 l" v; m5 b L$ ?* {0 s' d7 l
但是最新版本IEC 60065 2011版本的说的很清楚
6 {$ S x+ n, J% V) w1 Y& { U, y7 L" E
11.2.3 Parts, other than windings and PRINTED BOARDS, providing electrical insulation1 E8 S3 L6 [: r! Y- f
The temperature rise of insulating parts other than windings and PRINTED BOARDS, the failure of
- A& o0 ^; l+ C: S0 kwhich would cause an infringement of the requirements of 11.1, 11.2.2 and 11.2.4, shall not
9 Z7 v/ E# ^+ b3 oexceed the values given in Table 3, item b) "Fault conditions".0 e6 f4 h% k2 t, o7 c3 f" y& v
If a temperature rise limit is exceeded, and if there is doubt as to whether or not an electric. `: j h$ d/ q% Z
shock hazard exists, a short circuit is applied between the conductive parts concerned and the
- S+ ^# i+ a. T }9 U0 W6 b: Y& q) [tests of 11.1 are repeated.' i A2 t7 v$ e# v( L5 X: G
1 f, `3 Y% h5 w$ N: @& `
Z7 Y5 {6 z- k5 j4 E( v
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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