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家电产品测试EMC
- Y: \0 l" C& y/ a4 P0 a; Q那一定要做的就是EMI:传导,和功率辐射,谐波,電壓變動與閃爍# x& v6 Y- o5 [
EMS:这块有的不要做,有的要做,这里有四类. ~! C" g: S1 j5 ^& t
4.1 Category I: apparatus containing no electronic control circuitry, for example motor operated appliances,- F* f5 N0 I6 i
toys, tools, heating appliances and similar electric apparatus (such as UV and IR radiators).5 h6 M1 k9 z- Q! e
Electric circuits consisting of passive components (such as radio interference suppression capacitors or
* n# Y: K% V2 N) I, Kinductors, mains transformers and mains frequency rectifiers) are not considered to be electronic control
, ~8 @6 v/ {6 k+ K7 o% \circuitry.1 ]: a7 w1 l8 }8 c& u& \& t
Examples: apparatus containing components such as electromotors, electromechanical switches,
- x" k) o6 c Z' q" u3 q: Rthermostats, (rechargeable) batteries.. g- D, Z3 ]5 o& D( d8 N( d1 E
4.2 Category II: mains powered motor operated appliances, tools, heating appliances and similar electric
- k( y9 ^, V8 h* |* v2 vapparatus (for example — UV radiators, IR radiators and microwave ovens) containing electronic control
( v8 O0 ]" [. }" X3 ?circuitry with no internal clock frequency or oscillator frequency higher than 15 MHz.3 z7 [' N7 z9 i$ g0 {* y5 }$ _
NOTE The value 15 MHz is tentative and may be modified after a period of experience.
' I9 g2 V5 @- X) o4.3 Category III: battery powered apparatus (with built-in batteries or external batteries), which in normal$ w) O; P& k9 a! b3 {
use is not connected to the mains, containing an electronic control circuitry with no internal clock frequency8 D7 Z0 d& U% Q: r# l7 F
or oscillator frequency higher than 15 MHz.& {, @8 S. W. U3 [
This category includes apparatus provided with rechargeable batteries which can be charged by connecting2 ?, J; H& S: I1 n n: O0 M
the apparatus to the mains power. However, this apparatus shall also be tested as an apparatus in
) W; W: {, Z) [7 l) X5 l9 D* Mcategory II while it is connected to the mains network.) k# j2 t; N& I; R/ R& l$ N
4.4 Category IV: all other apparatus covered by the scope of this standard.
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对应要做的项目
- Z3 F+ U# w+ j: T# ^2 s6 g7.2.1 Category I! E+ d* d- E/ h+ Z5 @* o
Category I apparatus is deemed to fulfil the relevant immunity requirements without testing.: m/ U$ x; R S* A* A
7.2.2 Category II
8 v( w1 F% I2 e* ?; r, q3 gCategory II apparatus shall fulfil the following requirements:8 q( G/ H4 n; k; `
Functions (non-exhaustive)
. b- ^2 J3 ^5 K3 }- G* U2 z' L3 pCriteria
3 \! g8 E4 p1 `9 s: j! d* l7 kA Bb C1c C2c3 a% u7 W& }3 ~
Motor speed
( t$ W1 A7 n0 \. ?, Y vTorque
[6 X& ], D& R7 d. @) RMovement' Q s: x6 i) y( }7 H* r+ M
Power (consumption, input)
+ U3 _) p* _/ _5 v1 FSwitching (change of state) U$ k6 k7 p) l( e
Heating
7 l$ u7 n- T4 u" FTiming (programme, delay, duty cycle)
" Z3 s3 r H3 B# eStand-by
1 {, t: R% L0 ^: {7 @& k' NData storage
. ~* j, A& Y5 b" b* v+ T$ _4 SSensor functions (signal transmission)% H- z4 D, Z/ w _: ^* M# d
Indicators (visual and acoustic)
5 C4 r8 b# I! I- f- C' mAudio function
5 T" H8 i& r' [8 ~/ ]9 xIllumination( _) S H F |5 A" U" ]) N: i, |' G
10 %a; x1 ^5 d& ~' M+ Z
10 %a
6 Q% m, H) c- j/ R3 Y, [( R4 f10 %a( x& O, z, ~3 W% h# W8 P% V
10 %a. {' Z2 l8 T& E5 Z1 u
–+ ^5 ~; `9 O( |; g: ]' ]& H
10 %a; P6 m) W3 X, l6 W2 k1 m
10 %a9 m. z( @: q5 J7 j: i
–
* ~- x* L$ _" o' K( D o0 O0 k–f
5 q6 m& F$ E% a' f* qf
! H: A. M- _* B8 Q3 \8 ^f
* s- C4 t) a+ Z: \9 f! zf
. u- ^$ Q6 } [$ L4 s6 _/ f9 w––––
6 X4 b6 s% N9 h2 g+ a5 t––––/ N- T# ~0 H$ O: O
–––––/ S; X# ~/ ^) \8 r
++++- j( P2 u r7 G/ R5 f2 W: m7 C
+++d
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9 W+ d$ J* s" }7 g! W" w9 zg3 u- c2 ]# G9 j1 _
g
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3 V: O! {& U2 s8 \& Cg6 Z2 [- w$ o( V9 b" m/ G
––––
' |1 u' r5 t7 ^' W––––
' c w% S# J9 j+ n# Be6 ^) `% `+ b! `% C
–––– –- L; y: j5 K$ j. V4 o
No change allowed.5 u* W4 k- O; f, z
+ Change allowed." B# `1 A$ s* y1 l
a Values are exclusive of the measurement accuracy.# G9 _" O2 a) |" X) d6 M4 a3 u
b For criterion B, measurement or verification is performed during the stable operations of the Equipment Under Test before and
g% m6 ]/ p& h4 Gafter the application of the specified phenomenon.: x, Y. K s5 Y. j5 u
c For criterion C, distinction is made between4 K# B2 U- S" v# G) m
C1: before resetting and
3 q" l+ P/ e! P6 ]5 `- R, rC2: after resetting.. F: V) Q4 e* t' ]+ r
d Switching-off is allowed, switching-on is not allowed.# L6 r! H# \; z2 `& A8 X
e Loss or change of data is allowed.% X( u! u- P0 q" F: D+ H2 G: j
f Lower performance as specified by the manufacturer is allowed, but no loss of correct function.
3 T1 E% e. U8 gg Loss of correct functions allowed.
, T" `7 X9 G+ ~& eLicensed Copy: Intertek Testing Services ETL SEMKO, Intertek Testing Serv, 16 July 2002, Uncontrolled Copy, (c) BSI
' Y! m- G7 Y! p. U* v5 ]0 AEN 55014-2:1997. Z0 l+ h- |( I- Q0 z5 g& @# w
10 © BSI 04-1999$ R. A( y9 `7 ~( d& r
— electrostatic discharge with performance criterion B (5.1);4 H+ M; w/ S4 X" C# d
— fast transients with performance criterion B (5.2);8 K; G2 `% z! w# r) d2 g9 k
— injected currents up to 230 MHz with performance criterion A (5.3);
. h6 t6 F: f" S. V+ {1 O: O! P9 Y6 B— surges with performance criterion B (5.6);
/ i: Z5 {3 C1 z- [+ ? M \2 A— voltage dips and interruptions with performance criterion C (5.7).
5 Z6 { d- a/ ]' ]7.2.3 Category III
; a/ I% [0 i6 SCategory III apparatus shall fulfil the following requirements:* \% i5 U/ d- t, `6 S1 x
— electrostatic discharge with performance criterion B (5.1);
+ Y6 @8 l# c5 v' p' m( s— fast transients with performance criterion B (5.2);: C; y8 O6 K; | P9 q
— injected currents up to 230 MHz with performance criterion A (5.3).
9 o ]2 ]$ ^% B' s X( `7.2.4 Category IV
, |% ^) P8 K& b9 J! E* ?* }8 X" Y) sCategory IV apparatus shall fulfil the following requirements:# y" C& N# T, A) X, `# f3 W
— electrostatic discharge with performance criterion B (5.1);
, |$ D5 J4 [$ }4 J0 J9 J$ v0 o& K— fast transients with performance criterion B (5.2);
5 i% M* F" r, i# p— injected currents up to 80 MHz with performance criterion A (5.4);, e5 _0 ? P9 B4 c9 S1 |
— radiofrequency EM fields with performance criterion A (5.5);& _1 V' a7 a: J8 `% ~) O' G
— surges with performance criterion B (5.6);2 E( @: X3 y5 P5 A
— voltage dips and interruptions with performance criterion C (5.7). |
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