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22.3 Appliances with pins for insertion into socket-outlets shall not impose undue strain on
5 C' n. |1 t, o; f9 }( rthese socket-outlets. The means for retaining the pins shall withstand the forces to which the
. f8 @ h" R* Z2 A/ Y! gpins are likely to be subjected in normal use.
1 }6 u& H' f! m8 u8 _Compliance is checked by inserting the pins of the appliance into a socket-outlet without$ A2 d; T& Q$ }4 h
earthing contact. The socket-outlet has a horizontal pivot at a distance of 8 mm behind the. O3 _2 X! A3 n% Y$ f3 s F
engagement face of the socket-outlet and in the plane of the contact tubes.
7 s" ?, n6 a) C+ [* G/ W6 R' |7 zThe torque that has to be applied to maintain the engagement face of the socket-outlet in the4 v$ c7 ]! ~( V% V
vertical plane shall not exceed 0,25 Nm.0 R5 C* }* C/ M8 a' c0 V+ ~( n. |
NOTE The torque to keep the socket-outlet itself in the vertical plane is not included in this value.
1 f+ m. n0 k N6 Z6 D3 UA new sample of the appliance is firmly held so that the retention of the pins is not affected.: q5 A) t7 ]6 F0 [# f5 z0 S
The appliance is placed in a heating cabinet for 1 h at a temperature of 70 °C ± 2 °C. The
. }, f; R8 A o" v: M# Qappliance is then removed from the heating cabinet and a pull force of 50 N is immediately
4 O( T1 P; S/ e- Q- @applied for 1 min to each pin along their longitudinal axes.
# [" [" Q; s- n' b" kWhen the appliance has cooled down to room temperature, the pins shall not have been
# F! M+ }9 j: x# J% s0 `9 |) Vdisplaced by more than 1 mm.
- L, y- H% u1 dEach pin is then subjected in turn to a torque of 0,4 Nm, which is applied for 1 min in each0 Z* b m5 Y# t( D
direction. The pins shall not rotate unless rotation does not impair compliance with this
% G9 }6 T+ U, P$ N# q7 s& }9 Lstandard.5 x* L8 r; ^4 [
4 w" y7 \0 u6 P, l J
% Q% K0 b. \4 ^5 b, A1 K. e( q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。+ a* W7 O( l- c; f
7 s+ \& Z9 J& C- l |
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发表于 2014-8-15 11:35
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