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EN60065 2002版本 有三个条件 * k* P; q6 |2 k% ~
1.5mins max & 210K- G& y' ~0 i% ]+ v8 y: r3 k W
2. 符合20.1.3要求: x4 W0 W: r" V. F% c; {8 k
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
9 |1 Q0 m8 h! u( G4 M/ ub。。。。! V& G! D; [& Z6 L$ x7 s
) }) X; ]* p8 k很繁琐。。。。
" c3 E7 @$ w8 N
# { I" A/ M1 s6 Z. Y但是最新版本IEC 60065 2011版本的说的很清楚0 M( I) A' D/ K) k
9 g1 H, @& h# }
11.2.3 Parts, other than windings and PRINTED BOARDS, providing electrical insulation7 r& S. r2 ]8 S" r ]
The temperature rise of insulating parts other than windings and PRINTED BOARDS, the failure of
! _ f5 }# z9 [4 F8 i; Fwhich would cause an infringement of the requirements of 11.1, 11.2.2 and 11.2.4, shall not2 o w0 g5 Z7 Y h4 G! `4 g
exceed the values given in Table 3, item b) "Fault conditions".; X R% z) u9 D" y$ L) K
If a temperature rise limit is exceeded, and if there is doubt as to whether or not an electric1 S J& |! q$ @: j( r: d7 B
shock hazard exists, a short circuit is applied between the conductive parts concerned and the- m4 }2 U, P: {
tests of 11.1 are repeated./ {% E: N9 k5 E- _) b- M7 K5 u
& Z* S% Y7 y/ V' Z1 t9 E
. ^2 B6 a; \! L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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