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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.
d/ r/ r* @6 G! S. k9 w( A3.1.9 Termination of conductors) Z8 }7 g) J3 O) ` [! M# Z* S) b
Conductors shall be provided with a means (for example, barriers or fixing), or be so terminated,
) o3 U% ^ j0 o+ N. A: i: t' b" Y0 Y6 bthat they and their terminators (for example, ring terminals and flat quick-connect terminals)
K H, U3 K' N1 r) Zcannot, in normal use, become so displaced that CLEARANCES or CREEPAGE DISTANCES are reduced to
5 W. I2 |4 r1 l: x( k" ?less than the values specified in 2.10 (or Annex G).
9 d4 t) g5 h; c! f% KIt is permitted to use soldered, welded, crimped, screwless (push-in) and similar terminations for
$ @1 p0 u E% L- E5 |, }the connection of conductors. For soldered terminations, the conductor shall be positioned or2 J; \- ?8 a( \7 b
fixed so that reliance is not placed upon the soldering alone to maintain the conductor in" B c, ` ?1 E1 Y& U( H
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