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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.
7 I# S' z" g9 S+ Y+ Y3.1.9 Termination of conductors7 N9 L5 z! T7 N2 \* |( H2 r3 a
Conductors shall be provided with a means (for example, barriers or fixing), or be so terminated,
& J/ x- H8 V7 vthat they and their terminators (for example, ring terminals and flat quick-connect terminals). _! r) R7 X7 ~- g: Z
cannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to; b7 ~) o8 n. V- t
less than the values specified in 2.10 (or Annex G).) `- C3 X2 r0 c- E. U9 c6 _
It is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for8 [- G. W7 @5 |2 _8 R$ \9 Z
the connection of conductors. For soldered terminations, the conductor shall be positioned or2 Q: ]5 C9 s( Z0 H7 q! q/ `4 _7 M& w
fixed so that reliance is not placed upon the soldering alone to maintain the conductor in
, C" Z8 E% R) | Vposition. |
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