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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.
3 Q- ?& }7 d$ _; Q$ l3.1.9 Termination of conductors; w% \- [1 w+ F/ w
Conductors shall be provided with a means (for example, barriers or fixing), or be so terminated, W* v: D: r$ g' |
that they and their terminators (for example, ring terminals and flat quick-connect terminals)
o1 h6 j4 a( B* f- ccannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to) H8 j0 w" ?+ N/ P- m; d i; ?5 I
less than the values specified in 2.10 (or Annex G).
# |$ x6 ~+ F: `. U0 b4 M. _It is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for
/ c! ?4 F: S5 Y7 C, m7 R6 C& @the connection of conductors. For soldered terminations, the conductor shall be positioned or
, m; S9 y4 U1 R2 wfixed so that reliance is not placed upon the soldering alone to maintain the conductor in
0 q; X+ `0 T# u4 q7 a' |position. |
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