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1) 5N的拉力测试说法应该来自于EN60335-1的26.10, 是参考而来的。 o) ?8 r" p: X" p) j
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26.10 Terminals with screw clamping and screwless terminals shall not be used for the% d% k4 n% {; g! N3 k4 H
connection of the conductors of flat twin tinsel cords unless the ends of the conductors are2 \# p' @1 y! z+ U
fitted with means suitable for use with screw terminals.- e1 L1 \+ j/ j2 T. v$ o9 o
Compliance is checked by inspection and by applying a pull of 5 N to the connection.) d8 _ T I3 |$ E/ I) E# G9 o: B
After the test, the connection shall show no damage that could impair compliance with this' X4 @" X; q$ i' W) N2 f# A
standard.& r$ W% s v6 j7 M8 K; T8 k) ?
; A0 i- \! ]+ s+ m6 [1 V7 ~& ^9 l( `8 w以下中文仅供参考，建议大家看英文原文。
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( r0 a+ [' V% \9 T( r和电源线相配的接线端子应和其用途相适。用螺栓来夹紧的端子以及无螺栓型端子不得用做和扁平双芯电缆的连接，除非该电缆的端部用某个和螺栓型接线端子的使用相适的装置固定。
% n8 ~$ ^; [6 r1 N4 P3 X. b2 U1 I6 J通过检查和对连接施加5N的拉力来验证对要求的满足。* H. l+ d" b, _" r# `% P+ e
在测试结束后，导线不应表现出会影响其对本标准满足性的损坏
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2) 2N的拉力说法来自于EN60335-1的29.2, 目的在于检验内部连接是否可靠，不至于减小爬电距离和电气间隙。见原文。: ^+ S, g$ f3 F' l3 m. d/ s+ b, j
A force is applied to bare conductors, other than those of heating elements, and accessible
+ B; q. t% n, ?2 `9 D5 v+ _surfaces to try to reduce creepage distances when making the measurement. The force is* {( z L% l; D
– 2 N, for bare conductors;6 Q4 {3 k Q/ {( b& [) V G3 }
– 30 N, for accessible surfaces.
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0 L4 Y& f9 \0 L' l3 q. W- ^综上所述，我认为针对EN家电中的快速连接端子，应该用2N的拉力测试即可，因为其一般用来做内部连接，应附合29.2的要求。欢迎大家指正。 |
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发表于 2007-6-15 17:48
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