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发表于 2012-8-16 14:26
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终于找到这要求了, 见下面条款. 所以电源输入输出线,变压器次级引出线除了焊在PCB 上面,也要加胶固定.
?0 e+ B6 X3 h; W3.1.9 Termination of conductors4 o8 U- ^* \& W$ Z
Conductors shall be provided with a means (for example, barriers or fixing), or be so terminated,
/ C8 d0 K4 f, N+ ?" R8 lthat they and their terminators (for example, ring terminals and flat quick-connect terminals)2 p$ ]: w+ Q: y
cannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to
1 N7 Q- {7 U% o9 P ?% ~% p0 uless than the values specified in 2.10 (or Annex G).
+ J4 H" H7 p. QIt is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for7 f- d- R5 e& L& @$ J" Q6 `
the connection of conductors. For soldered terminations, the conductor shall be positioned or0 ^3 |& E( ?5 J
fixed so that reliance is not placed upon the soldering alone to maintain the conductor in2 ?9 l5 B$ F4 I8 ~. w
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