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|  DSH 700
$ P& q2 b5 F& @. K
1 `$ \) A q8 i) ~* ` r1 m% Q | Push force for connectors, S: Z3 P0 j% f
| 4.3.5: N: |$ J) a- ]2 [2 T- a0 u
| 60950-1(ed.2)
9 u9 f; s0 ^: e5 D |
0 E. ?9 f% G) E' N9 V
Standard- No. Year
2 U5 e' D5 ]& {0 YIEC 60950-1:2005 DSH
2 n6 j; g( p/ G3 j0700' _! M) B9 T0 Z/ l8 l4 l2 v8 Z
2008
0 W# W' F Z! G. x/ ~6 qCategory: OFF
% \9 z _( {7 ?0 nSubclause:7 C, q" J! E2 e+ H/ E; j
4.3.5 z# x! H4 a$ S- w; ^+ f# Z
Developed by: ETF 2
+ J5 J$ n0 Z* {8 U( ^% wSubject:- V# P# g+ z( r
Push force for connectors4 s6 M Z9 E* F, h' D8 b
Key words:9 p% P$ ^4 F+ R* b
-Travel adapter;
: U& W+ \% _! P- connector misconnection) E3 e! \8 `- X& Y7 c
Decision approved at the
& @8 z& s6 Y% q. ^46th CTL Plenary Meeting, @% L. M }) F/ s, f9 R/ N1 r2 f- n
in 2009
! u! u6 S# J. }1 V9 U( t9 k; OQuestion:- }9 \$ w5 U: O) C [+ h
A travel adapter consists of two separable parts:
& |3 }+ L. P, C· AC/DC unit (down transformation of voltage, safety separation provided)
2 \. h$ B& q% z1 T3 b$ {· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
1 f8 {% K' {/ L& _* ]" \provided)5 V3 D( ?& d7 n" O2 ~ u
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC
' v' j' ^$ ^0 eused). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a
8 `- f7 F" l+ @8 Q+ l, J4 B8 E8 \special 2-pins input connector.
# i8 p t/ L: pWith a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
4 h6 A' D0 ^$ s3 S3 o' C1 Xconnector of the DC/DC unit and make contact.
. d7 M! ^2 D; ~a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks
, `7 y& a/ c |! S" |9 N# bare provided in the user manual that state that the connector of the AC power cord shall not be: D: L; G' K5 _; y) H+ G0 [" u0 k
pushed into the input connector of the DC/DC unit?4 h4 R$ c0 Z5 u9 P2 x" D* Q
b. How much force must be applied during the testing of the input connector (DC) and appliance; u/ X5 K$ n) O I
coupler (AC)?
# a% K3 I K! M, ~2 l0 DDecision:
2 {* I6 Q4 j3 V" iA test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when1 h# b7 d2 v1 E2 e' l, J
testing possible misconnection of IEC 60320 and similar connectors.
. p/ I$ [4 e" B8 ]$ u% w
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发表于 2012-11-6 13:49
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