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|  DSH 700
: @* n) ?' @6 Y! b4 b+ G% U
2 [- {& I7 \ A/ r3 l# D7 u* z | Push force for connectors4 }# I) V3 J' A" Q8 }
| 4.3.5, F V) U& Q, y* M9 D
| 60950-1(ed.2)
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Standard- No. Year9 W+ A% ~# s1 Z q$ P* W
IEC 60950-1:2005 DSH
6 j. g& j2 S* q0 N) ] u, s0700
" P* L1 x8 C7 Q3 m# g2008
0 w* Y1 q* G3 VCategory: OFF
. [: v; I8 c( S! aSubclause:. g" t* I5 [4 s* C/ ^
4.3.5; C0 ~4 n. E' S+ D
Developed by: ETF 2; M& d, w1 {2 ~7 W0 p
Subject:# I6 G* y9 G8 K: `) e
Push force for connectors
0 m3 e- S$ X; |# XKey words:+ l$ j* f9 x' [; o( `$ | X4 X
-Travel adapter;8 h* P0 X B! m7 F
- connector misconnection5 n' l8 f. I4 \+ ?( i
Decision approved at the
( b5 [7 j: \4 s* `9 t3 F# |46th CTL Plenary Meeting- r: w" U7 i3 [7 r
in 2009) P# O7 _$ {$ b( {; ?- T: }
Question:
1 t% B. l3 |) {) u' LA travel adapter consists of two separable parts:( ~* {& I4 p# n) T5 B* R
· AC/DC unit (down transformation of voltage, safety separation provided)( B$ ?; o" B( u5 ~7 I0 L
· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
. w% a0 h7 Z1 wprovided)" O: R+ y0 Y: `( U d
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC7 h( w9 d$ A7 }7 W% s* z5 U
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a" \5 P' z' W: O# A" ?
special 2-pins input connector.
1 {. c7 |6 i0 G1 G* T% v8 sWith a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
; f1 ^0 }) |' }- x7 Z7 D- sconnector of the DC/DC unit and make contact.
& T- q2 l/ z2 ea. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks- f- R4 [2 k/ a8 }! u, K
are provided in the user manual that state that the connector of the AC power cord shall not be
% R6 }0 d6 y% w: |$ e2 x% M7 Mpushed into the input connector of the DC/DC unit?
( ^3 ^% o- a3 S6 ]" J+ |- Ub. How much force must be applied during the testing of the input connector (DC) and appliance
\2 C8 ]( {7 qcoupler (AC)?, t4 S) b9 f8 n6 ?7 n
Decision:
( {# x& J, c6 E0 B7 S. AA test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when
6 ~$ |$ S0 H. y2 |/ U" x3 itesting possible misconnection of IEC 60320 and similar connectors." N9 L3 J2 Y3 L- k+ y7 q0 ?& ~
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发表于 2012-11-6 13:49
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