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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.
8 i6 l$ q0 d7 r8 }# F3.1.9 Termination of conductors# k* ?6 E4 _% u2 F3 }3 h
Conductors shall be provided with a means (for example, barriers or fixing), or be so terminated,0 {- y @; U# a3 T& d G
that they and their terminators (for example, ring terminals and flat quick-connect terminals)* E. k+ e+ \- g7 _6 u
cannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to
) t" O2 M$ h$ {2 e3 l0 Sless than the values specified in 2.10 (or Annex G).( t8 N4 m6 M$ y1 ~& \
It is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for9 W( ]4 A8 `# v# V$ Q# c( J1 I
the connection of conductors. For soldered terminations, the conductor shall be positioned or# l* l5 U5 k. u2 O o \
fixed so that reliance is not placed upon the soldering alone to maintain the conductor in
7 r$ X! z2 f2 S" Vposition. |
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