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|  DSH 700' h$ }1 m/ q$ ?, v7 e! y
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| Push force for connectors
2 i* N, C. j0 g; Q) J# D | 4.3.5- R7 F* N1 n2 v- c- z9 [& O
| 60950-1(ed.2)) T$ q7 G B, k4 |5 U3 d1 B2 j
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Standard- No. Year' c. T, w. m! r2 i1 N
IEC 60950-1:2005 DSH
' I" O" F ?5 w: H; O6 Y* j0700
& M# x9 O( g4 T$ u. e2008% G1 ^' z) Z3 D, |9 K7 T7 |. q
Category: OFF+ k# D0 y2 \8 b- M: l
Subclause:
: c3 s) V+ M x" a4.3.5
+ t) V5 k0 L3 O2 W, R' [Developed by: ETF 2. `, J9 H% |3 R0 |- s# D
Subject:6 H1 O! L+ p4 a$ i$ ~
Push force for connectors
; b5 f. T2 \; j F6 r0 sKey words:
. b6 `: Q; }2 i5 ?2 |2 B0 I, M( h/ H0 V-Travel adapter;
# a" c$ o" M6 g" [, |1 }% T6 [- connector misconnection
' l9 n5 T, K" V( e3 B- QDecision approved at the, L. b1 O' a4 R! Z
46th CTL Plenary Meeting
% \1 U; i+ K$ b6 l/ Kin 2009
, s% r9 j; x. e9 U( GQuestion:9 Y& q2 T- `4 T7 @2 L4 `% |* P
A travel adapter consists of two separable parts:
# P# m; O" M" W' ^: L· AC/DC unit (down transformation of voltage, safety separation provided)
8 |# @/ W& e9 t+ k· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
* Y3 d1 A# i s4 }& @provided)/ h$ l9 z O* i6 @
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC
; }! _: y$ Z, ^) N/ bused). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a" t# l! ^/ D# W( m9 S) T
special 2-pins input connector.# C1 J" y A6 ^4 h
With a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
. b: Y$ f m- T; sconnector of the DC/DC unit and make contact.
! P1 Y! a2 ]5 i' H2 p8 ^9 u! _" Ka. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks
) [$ y( L1 \& k ]7 y! Ware provided in the user manual that state that the connector of the AC power cord shall not be
% X; O; K. W3 F2 n$ h- Z: gpushed into the input connector of the DC/DC unit?
' m9 W* E- Y$ P! y5 K4 A N# bb. How much force must be applied during the testing of the input connector (DC) and appliance y( ~8 M) j W0 v' T) D ?& ~
coupler (AC)?+ g# a" P- G( T( p
Decision:- u1 ?0 b1 e6 _8 J5 G* Q) t
A test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when5 H6 |* X2 A3 i0 k9 U
testing possible misconnection of IEC 60320 and similar connectors.3 ?$ E- j( A+ m6 h% g9 X$ J4 P$ u
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发表于 2012-11-6 13:49
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