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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.
* j/ B( a8 ]/ _, s4 |3.1.9 Termination of conductors
8 T8 W2 x6 }/ l& j+ bConductors shall be provided with a means (for example, barriers or fixing), or be so terminated,6 l6 ?% p* D: y6 M; L6 k8 O* k; D' [
that they and their terminators (for example, ring terminals and flat quick-connect terminals)
& _: b6 T; C* W! f6 Kcannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to
: d( B$ ~8 S6 Nless than the values specified in 2.10 (or Annex G).- h8 H( y) I5 o8 T" @
It is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for
; B5 a% m8 K. ]4 Q0 \, U) z2 athe connection of conductors. For soldered terminations, the conductor shall be positioned or' q3 e- v) X4 P+ U6 b
fixed so that reliance is not placed upon the soldering alone to maintain the conductor in, O: D9 V* E* W2 P0 D0 F
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