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22.3 Appliances with pins for insertion into socket-outlets shall not impose undue strain on
. {/ D6 @; ?2 Dthese socket-outlets. The means for retaining the pins shall withstand the forces to which the
: `8 l- [% P2 \3 C2 R N1 {+ Tpins are likely to be subjected in normal use.' M2 C( L2 \+ L8 }& E' w
Compliance is checked by inserting the pins of the appliance into a socket-outlet without) B3 S+ f) V0 o3 B" g( K
earthing contact. The socket-outlet has a horizontal pivot at a distance of 8 mm behind the
) h! e: W2 c% p% I" U1 [engagement face of the socket-outlet and in the plane of the contact tubes.1 l. x# j. w. ^7 h( _
The torque that has to be applied to maintain the engagement face of the socket-outlet in the
. D) v1 \$ [" y$ w, svertical plane shall not exceed 0,25 Nm.0 T2 j( T) h# ^( O7 H l) w
NOTE The torque to keep the socket-outlet itself in the vertical plane is not included in this value.
0 I2 R! H& e j9 ~A new sample of the appliance is firmly held so that the retention of the pins is not affected.
9 l/ X2 }( K" S4 X2 x" J% ]. nThe appliance is placed in a heating cabinet for 1 h at a temperature of 70 °C ± 2 °C. The& P6 C+ q0 r* {% J! W! \ j. }
appliance is then removed from the heating cabinet and a pull force of 50 N is immediately) r- K$ e% Z9 J3 a0 P% L* @
applied for 1 min to each pin along their longitudinal axes.( r1 ^/ C) j6 m |/ g e
When the appliance has cooled down to room temperature, the pins shall not have been
+ m; ^6 b& g, f& t) R' r* v% r2 sdisplaced by more than 1 mm.! E! i5 p. R! q! K0 v* K; K
Each pin is then subjected in turn to a torque of 0,4 Nm, which is applied for 1 min in each
0 t% F- H+ B& t3 E" T0 R Wdirection. The pins shall not rotate unless rotation does not impair compliance with this6 {. G1 o4 H& S/ V4 M, g! U& k
standard.% ~* Q+ x! D% x
2 ^4 o! b% m3 x# S0 P0 R& o
. X( e9 d$ X- t# @3 n- V- \) g针对直插式插头设备，如果插头扭矩0.4Nm不过，请问各位，有什么好的整改方案，谢谢。* g. M5 b4 D* o& \1 S
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发表于 2014-8-15 11:35
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