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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.6 I2 s0 b" l& M! o
3.1.9 Termination of conductors
( G# ]. ^1 H! R+ ?/ ?" M# NConductors shall be provided with a means (for example, barriers or fixing), or be so terminated,
7 W) `% x! Y; U% @. W: L9 S7 jthat they and their terminators (for example, ring terminals and flat quick-connect terminals)6 d' z3 J" m2 }: R4 \; Z& p
cannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to
, ]* d) ?: B! ~$ c/ j aless than the values specified in 2.10 (or Annex G)." l3 \" z' @$ S. u
It is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for
9 R; i, V& ?2 d" c& othe connection of conductors. For soldered terminations, the conductor shall be positioned or5 z5 H' `; c! x& O$ { y: ~' K* d
fixed so that reliance is not placed upon the soldering alone to maintain the conductor in4 g+ J* r5 N2 u1 N, ~1 h. Y; k6 C
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