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引用第0楼haohaoxuexi于2010-11-17 14:14发表的 关于8898中故障条件下的触电危险 :
; `* G, p ?4 r标准中第11章:当设备在故障条件下工作时,仍应当具有防电击保护。
" }3 ?9 e% e. n6 e/ d对端子接触件,如果天线插头和/或地线插头不能插入该被试端子,则:, z/ e1 b# l$ f" _
(1)9.1.1.1 a)的允许值,对非音频信号,要增加到交流70V(峰值)和直流120V;/ N, L9 R+ U/ ?; J3 B `: [+ V
注1:对音频信号,在故障条件下不要超过正常工作条件下的限值。/ l& |" _/ B: U3 m: ^" `
以及(2)9.1.1.1 b)的允许值要增加到,对交流,U1=70V(峰值)和U2=1.4V(峰值),对直流,U1=4V。& C$ \) v Y, \9 Y: B
....... Compliance is checked by the tests described in clause 9, modified as specified below and/ u, D; S( _9 e, L
under fault conditions.% J- ]1 [: A0 J) @+ s% y! O
For contacts of TERMINALS8 c0 A, Q# M' x% [
– the permissible values of 9.1.1.1 a) for other than audio signals, are increased to 70 V9 z! { ?1 I: O: I8 M) ^! f
(peak) a.c. and 120 V d.c.,
8 s* r: Z5 r3 Y0 Y- ENOTE 1 The limits under normal operating conditions for audio signals should not be exceeded under fault conditions.; l- F' a, i1 _( d7 ]6 z+ Q
and p/ h2 n, v1 U0 Q
– the permissible values of 9.1.1.1 b) are increased to U1 = 70 V (peak) and U2 = 1,4 V (peak)
# T( d9 K% `3 J3 Kfor a.c. and to U1 = 4 V for d.c.,
8 S$ Q' j- }( e标准的意思是说Clause 9中的这两条条款修改到上述限值,并不是说要同时满足的意思。 |
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