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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.
) c4 L$ r+ `# z9 T' C3.1.9 Termination of conductors) l' }) m2 ? W) b& N. X. J
Conductors shall be provided with a means (for example, barriers or fixing), or be so terminated,! ~8 V& U& I0 ], C7 ~5 i) h$ I- _
that they and their terminators (for example, ring terminals and flat quick-connect terminals)
: R) ^% w6 r3 I0 P1 d3 Wcannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to4 H7 Q# R& m! [! o. G5 }% k7 Q
less than the values specified in 2.10 (or Annex G).
! P; k# o7 J7 HIt is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for
7 W2 A7 H0 c1 u$ H! Uthe connection of conductors. For soldered terminations, the conductor shall be positioned or
1 x1 u; L) w v# I& e+ W Jfixed so that reliance is not placed upon the soldering alone to maintain the conductor in
7 f# O9 I% W4 E0 ~0 bposition. |
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