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|  DSH 700! L' A( C4 {' I7 j- v
5 `, X/ ^8 W2 w4 F$ G* j3 @ | Push force for connectors, `, f# ]9 k7 R( v. F J3 J+ Y
| 4.3.56 Y* b6 H' ^9 s# V" M
| 60950-1(ed.2)
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4 N* Z5 G* W( ?7 C
Standard- No. Year# k m4 s8 i" V# |7 O& J2 D' G
IEC 60950-1:2005 DSH2 {( x* {2 v' ^4 R& W% E
07008 `- v% Z' Z2 |8 S4 j
2008* ?. F+ S3 }1 y' D
Category: OFF: S( q" G$ D c& e6 l: E6 p8 f
Subclause:( ~# d9 I& b1 \2 x0 C+ F R$ t+ U6 \
4.3.5
" l% J5 x6 J" E3 `. I/ O& `1 m0 CDeveloped by: ETF 20 W( S& V/ ^1 ~8 k% u. H( F) q
Subject:
, T( r& ?2 `" c$ g) dPush force for connectors
' y* t3 G- E) ^2 b. k: yKey words:
: ^8 p# d" _* Z) t( I-Travel adapter;
) o5 J: q8 e4 x; o: ]- connector misconnection
) P( L9 v5 ^1 o2 ^0 @: B6 J5 nDecision approved at the
5 c. z% c8 w1 e" U. U46th CTL Plenary Meeting
- Y& B: t2 ^7 t! b3 vin 2009" w; K9 Y; }! V- I8 b
Question: f& T% v7 g$ |6 T X+ \* D( `
A travel adapter consists of two separable parts:! [( j* E1 g! Z" [# w* V" ?8 M& n4 p
· AC/DC unit (down transformation of voltage, safety separation provided)
- \0 H. O+ p) e8 w' N, y! [+ a! W· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
" W7 J; s S2 I0 } r1 h/ @provided)1 Q: U' r* u. [
The unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC
% R; y. {2 }4 jused). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a
. ~6 T3 o9 o% T% I `special 2-pins input connector.7 c! G# W5 u' O2 x6 }
With a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input) s0 l: t( G+ V8 n. n
connector of the DC/DC unit and make contact.! i$ L: r# k# R `. u7 u
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks( n4 X4 q" A/ R4 |1 t6 \9 \! t
are provided in the user manual that state that the connector of the AC power cord shall not be8 P" \& w7 y1 d! q3 x' h2 S
pushed into the input connector of the DC/DC unit?8 T1 e& J" W, q8 o
b. How much force must be applied during the testing of the input connector (DC) and appliance
& ^$ n) c$ v$ n$ ? _1 v+ g1 j [coupler (AC)?8 A, ~, ]* b* }* |4 z7 C; ?5 c
Decision:5 r% b; M3 Q1 i" d# }* n
A test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when ~: y, m- y% x9 J5 \% t- M
testing possible misconnection of IEC 60320 and similar connectors.$ `- ^% S" I# X0 K
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发表于 2012-11-6 13:49
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