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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.( j- S, u8 B: h: c- z" y
3.1.9 Termination of conductors$ N2 M6 T& a1 h
Conductors shall be provided with a means (for example, barriers or fixing), or be so terminated,8 d6 i' {6 H1 a p0 C& l% b R
that they and their terminators (for example, ring terminals and flat quick-connect terminals)* l5 g* f- T5 e( Z' j$ U5 S
cannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to2 p$ _5 \% `8 D9 U
less than the values specified in 2.10 (or Annex G).. u3 |) Q w" w* P" f- s& |
It is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for
! L: R$ C {) @6 u8 f" Othe connection of conductors. For soldered terminations, the conductor shall be positioned or% _' J) Y( W: G1 _% E. m
fixed so that reliance is not placed upon the soldering alone to maintain the conductor in4 T- e" {) X) @; H% n1 A8 u
position. |
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