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,2 {2 |6 H0 t, g( u8 w$ S1 R# X, E2 ]
specific requirements are formulated.* w9 ^! ^8 V3 c% Y3 L
4.1 Category I: apparatus containing no electronic control circuitry.! t! m" @# r: s# x9 e9 r: E
Examples: motor operated appliances, lighting toys, track sets without electronic control units, ! R8 S3 m% {5 s" N, E4 _ K9 C) s) Ytools, heating appliances, UV and IR radiators and apparatus containing components such as ) f' h) i/ p+ `2 { h0 w( {0 xelectromechanical switches and thermostats.; \/ @! Q: J% g- |! u
Electric circuits consisting of passive components (such as radio interference suppression 5 n, j2 d2 E' s0 }" Y0 ucapacitors or inductors, mains transformers and mains frequency rectifiers) are not considered / B# }5 g) ]3 i1 e! x% ito be electronic control circuitry.4 B+ e" ^& f3 T% i; q1 _. B* p. ~
4.2 Category II: transformer toys, dual supply toys, mains powered motor operated appliances,* S' ~7 t/ n; ]
tools, heating appliances and similar electric apparatus (for example – UV radiators, IR radiators! Y7 J2 ]2 ~! A9 K
and microwave ovens) containing electronic control circuitry with no internal clock frequency or ) ?6 G2 h3 k' K, ^9 a8 L) doscillator frequency higher than 15 MHz. ( a" a I6 C6 ?# ~+ b4 UNOTE For toys, examples include educational computers, organs, track sets with electronic control units./ x. I0 L) W: E( L1 Q5 O) U
4.3 Category III: battery powered apparatus (with built-in batteries or external batteries),2 D7 |7 _! f: ^# ^- _
which in normal use is not connected to the mains, containing an electronic control circuitry 7 \' k; c# [* twith no internal clock frequency or oscillator frequency higher than 15 MHz.: e. \! ?3 o, y+ }; ]" ~! Z. s
This category includes apparatus provided with rechargeable batteries which can be charged/ O! k+ K# ~9 y
by connecting the apparatus to the mains power. However, this apparatus shall also be tested5 G' T" ~& Y& |: Y& J
as an apparatus in category II while it is connected to the mains network. 4 N2 l N3 `/ |0 jNOTE For toys, examples include musical soft toys, cord-controlled toys and motor-operated electronic toys. " w7 u& j2 \: x/ O7 y5 t' d( ^4.4 Category IV: all other apparatus covered by the scope of this standard.