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|
|  DSH 700- N: ]9 x/ `" \7 Z3 g
3 l. Y5 o# T$ Q" E% X6 r0 C
| Push force for connectors
2 o3 Z, S2 T8 p! C g9 l! w | 4.3.53 i) l' {# ?/ Z# p- S
| 60950-1(ed.2)' K4 K' J) D9 a- U
|
& z: A5 S2 ] U& a* _# wStandard- No. Year% r! F8 G* _: r; w. u! j. P
IEC 60950-1:2005 DSH/ m+ x( h/ x' H; K' a# k
0700
# t2 {6 H0 s0 o; W20083 S3 M- t9 c: F) w! }( ^& T: _- r
Category: OFF! O% \/ |, `$ d* f4 z
Subclause:+ N/ o, x1 H/ R# Z" e2 N. w5 D5 R
4.3.5
3 l( l3 o5 K( C8 F/ NDeveloped by: ETF 2
- e6 R6 F* u2 y5 [6 t0 [Subject:
! M( O/ Y8 R zPush force for connectors
% z2 ]- c- F* Z, D2 p3 pKey words:
: ~! a/ }% P0 {-Travel adapter;
2 g( b D9 P" o: r' S4 C- connector misconnection. d- v+ @+ T2 F( ]8 o/ x
Decision approved at the
6 |5 N/ o& c& {; T46th CTL Plenary Meeting6 N5 N G9 H l# }8 R1 z
in 2009
/ e' E( c/ E' I6 sQuestion:1 ~- G7 Y! p: [, W: n& {) k
A travel adapter consists of two separable parts:
- e' A0 z5 D- C2 L· AC/DC unit (down transformation of voltage, safety separation provided)- [$ e1 v5 K1 y4 d! B
· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
+ e) C4 T) P+ d: Eprovided)
% G: q. A/ I: A9 G/ U' S7 J$ PThe unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC* f/ I" n( x. N+ }" o0 n; h
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a
- ^# o. o7 ~2 P/ p' ispecial 2-pins input connector.
4 Q2 d+ [2 S x8 wWith a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
0 Z0 \0 _# Q! z) a2 b4 \connector of the DC/DC unit and make contact.9 B( F v" H) z0 {
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks% {2 ]) r% \- }) I* k3 K9 o+ a
are provided in the user manual that state that the connector of the AC power cord shall not be s, B# S& }: y. N! D: j$ l, o
pushed into the input connector of the DC/DC unit?
/ v* @- \4 _8 G: T/ d' o+ Vb. How much force must be applied during the testing of the input connector (DC) and appliance
/ y* p% h8 E/ q: _coupler (AC)?9 l1 ]4 @/ T+ W& n) b
Decision:$ K: F' [+ t3 z
A test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when) L4 }' ^: F2 J% {$ R0 r
testing possible misconnection of IEC 60320 and similar connectors.
% ]1 t) B! r. R/ A7 `/ O1 V' w/ q6 a! o2 O+ _4 L+ E
6 r1 y& T4 u! f" K. h |
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发表于 2012-11-6 13:49
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