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|  DSH 700
Z* a- `2 C( g, K5 I; H7 \, i1 E2 m
| Push force for connectors
; a& L# {, H( r9 W4 S/ X" _! R | 4.3.58 N8 F3 j; Y' J; ?' E' P( s
| 60950-1(ed.2)
9 [7 d/ D' O+ e. m, ` |
7 N/ ?( t8 `2 ^: n
Standard- No. Year' P! p8 p1 U: |2 B2 i$ M; |% O. N
IEC 60950-1:2005 DSH
7 k) n% n3 Y' {' A7 j! _0700
/ x1 ^' \) s6 l6 d2008
; a) H6 f. A1 e& N, ~; I, ]! V3 hCategory: OFF+ c! o R1 d& l' j% N2 D
Subclause:! w5 |) o( {# D- h9 q% E
4.3.5
9 l/ [5 D" t' n( Z" r# G jDeveloped by: ETF 2" `3 v6 r$ L2 O' N$ l
Subject:
4 m# N. c0 `3 a/ Y" q* ^5 L- C, ^Push force for connectors9 i/ [: m" o( ?& R( K, Y: \
Key words:2 q. h; z/ T( Q7 J
-Travel adapter;9 o8 U4 \$ Q, N
- connector misconnection* S+ P* a" M. v) u; [4 b
Decision approved at the3 A9 }6 \, L7 k2 k) d
46th CTL Plenary Meeting, u4 _. J3 L3 T) J
in 20093 y# i% w) w) N4 a
Question:$ I6 |1 T h$ X6 F/ g
A travel adapter consists of two separable parts:
. U' H; u% A1 y6 H1 d" }4 K/ T! ^· AC/DC unit (down transformation of voltage, safety separation provided)
( J: {! n9 p3 ?· DC/DC unit with output cable (supply stabilization and voltage adjustment, no safety separation
3 r. Z& Q% r. U6 L7 B1 k. ^" i8 Jprovided)
7 t K% K/ K& jThe unit can be used at AC mains (both units connected together) or DC (units separated, only DC/DC5 f9 _- l# g R! k5 R8 z' }3 r ?
used). The AC/DC unit has a (Class II) IEC 60320-1 type appliance inlet; the DC/DC unit uses a ]# o$ C: }: _, s# K2 q5 i
special 2-pins input connector.
: \. c& A9 `6 ]1 I& TWith a small force applied (less than 30 N) an IEC 60320-1 coupler can be inserted into the input
4 N( w& }: Q0 x! L. K2 Q; zconnector of the DC/DC unit and make contact." B6 M8 w; O B
a. Is such design acceptable if a warning label is provided on the DC/DC unit and additional remarks
1 L- Y* o4 U, V( V! t/ t' vare provided in the user manual that state that the connector of the AC power cord shall not be$ G/ h+ x) ]/ `) O! b) R8 s8 c+ v; k
pushed into the input connector of the DC/DC unit?
; r9 u/ E9 t3 G" \: hb. How much force must be applied during the testing of the input connector (DC) and appliance
- t D2 d) k" a |7 P; qcoupler (AC)?" G' B- M+ y7 J3 K/ m# K
Decision:
8 J/ `0 H4 p* J9 XA test force of 60 N (as specified in IEC 60320-1, no safety factor considered) shall be applied when
5 |. k) }1 J6 ~; C8 O+ Z! e/ D5 Rtesting possible misconnection of IEC 60320 and similar connectors.
* d8 }* y; c1 K" I& r5 a9 j$ n$ f( z) j+ g# u3 w
- y" f% Q$ t& R& D$ R( V
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发表于 2012-11-6 13:49
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