标题: EN 55014-2中产品的分类 [打印本页] 作者: wangymszz 时间: 2009-12-22 15:42 标题: EN 55014-2中产品的分类 作者: fan.jacky 时间: 2010-5-4 14:52
The apparatus covered by this standard is subdivided into categories. For each category,( F+ w+ y- F( G1 b5 w9 j
specific requirements are formulated. " W6 h6 U6 b9 U b4.1 Category I: apparatus containing no electronic control circuitry.+ C+ f/ _- }$ P: w2 E
Examples: motor operated appliances, lighting toys, track sets without electronic control units,5 A1 f% T5 _, g0 d: j5 P- V v4 d
tools, heating appliances, UV and IR radiators and apparatus containing components such as1 j3 V E* U3 x y/ s$ n) N
electromechanical switches and thermostats. 4 }/ A$ u1 @. {( E5 q/ k7 OElectric circuits consisting of passive components (such as radio interference suppression; d( a5 m5 B% b9 R- \# V4 a7 I
capacitors or inductors, mains transformers and mains frequency rectifiers) are not considered" T4 q+ H/ L s1 p) N
to be electronic control circuitry. ; m$ M6 V) ]( C, N4 m }1 X4.2 Category II: transformer toys, dual supply toys, mains powered motor operated appliances, ! A/ u& Q" w2 Z2 T3 S! S* Rtools, heating appliances and similar electric apparatus (for example – UV radiators, IR radiators 8 @& W' M! F8 o; l# b* O% Nand microwave ovens) containing electronic control circuitry with no internal clock frequency or 4 \: Y% ^! _3 U6 B zoscillator frequency higher than 15 MHz. 4 R* h. [- `9 j: ]* G1 {NOTE For toys, examples include educational computers, organs, track sets with electronic control units. ( U, a9 v0 S9 f4 Q4.3 Category III: battery powered apparatus (with built-in batteries or external batteries),' f: S [7 S- b$ Y: d
which in normal use is not connected to the mains, containing an electronic control circuitry4 s9 r1 Z8 I* z7 V
with no internal clock frequency or oscillator frequency higher than 15 MHz. / P9 f$ Z( y0 o. N+ V0 [- Y, x8 mThis category includes apparatus provided with rechargeable batteries which can be charged5 ~0 r5 K3 N. o* F$ O
by connecting the apparatus to the mains power. However, this apparatus shall also be tested6 p& @8 p" `7 z4 W4 {
as an apparatus in category II while it is connected to the mains network.. P( Y3 v# E& ?5 [/ h
NOTE For toys, examples include musical soft toys, cord-controlled toys and motor-operated electronic toys./ x, H* G% x* ~1 e! F% H
4.4 Category IV: all other apparatus covered by the scope of this standard.