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家电产品测试EMC' X$ g( e" h& L) p8 P/ t
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
6 q8 o4 u* o2 C! S9 T1 AEMS:这块有的不要做,有的要做,这里有四类: b: u0 x( X e5 U1 q6 g+ l
4.1 Category I: apparatus containing no electronic control circuitry, for example motor operated appliances,
G" |, I0 H/ t) @toys, tools, heating appliances and similar electric apparatus (such as UV and IR radiators).- d0 h4 A. l+ p6 I Y
Electric circuits consisting of passive components (such as radio interference suppression capacitors or) y7 k. r4 F" h3 ?
inductors, mains transformers and mains frequency rectifiers) are not considered to be electronic control
1 v4 X2 m% G$ w0 k* C% _1 E6 Dcircuitry., o \% b) o6 ~7 ] ?
Examples: apparatus containing components such as electromotors, electromechanical switches,- p: }0 O% e7 w$ ?" y
thermostats, (rechargeable) batteries., O# B6 g: r9 y
4.2 Category II: mains powered motor operated appliances, tools, heating appliances and similar electric2 j' M6 O) Y# t7 C) k W
apparatus (for example — UV radiators, IR radiators and microwave ovens) containing electronic control
& l9 E6 ^, Q+ W8 q/ u* `$ w- q/ Rcircuitry with no internal clock frequency or oscillator frequency higher than 15 MHz.
4 h- C" b* r" BNOTE The value 15 MHz is tentative and may be modified after a period of experience.+ u5 l9 h! Y+ [
4.3 Category III: battery powered apparatus (with built-in batteries or external batteries), which in normal1 ]: B# t2 e6 o* y, y
use is not connected to the mains, containing an electronic control circuitry with no internal clock frequency
) w: f, V. Q+ J6 g* ~" N1 hor oscillator frequency higher than 15 MHz." _8 x/ W# L. N _ Q$ [; D
This category includes apparatus provided with rechargeable batteries which can be charged by connecting. Y- i9 P1 v; b4 W8 w+ b! f8 e
the apparatus to the mains power. However, this apparatus shall also be tested as an apparatus in
1 n5 ?3 l- P3 Q2 q, B* @category II while it is connected to the mains network.5 |. u" }8 B6 b$ R/ J: m9 O
4.4 Category IV: all other apparatus covered by the scope of this standard.- r4 x2 F! Z, @8 {2 ?' }
5 n' M0 K9 ~/ G" y, j- J4 X, x
; j8 ^) x* v; s% V% O
对应要做的项目5 Q* i" `8 W& I+ ~
7.2.1 Category I1 V- y$ c, V `* v' \! {4 |, S
Category I apparatus is deemed to fulfil the relevant immunity requirements without testing.+ N; e( k& o2 p7 B; t7 o
7.2.2 Category II- X9 k+ y- R7 P& {
Category II apparatus shall fulfil the following requirements:
2 ~( E0 g: X9 z" v7 h. S$ NFunctions (non-exhaustive)! v8 A: Q% \; I D
Criteria' \% }" F0 C# l ^2 E+ X. B
A Bb C1c C2c U+ Q0 _3 K/ R5 e$ `# O& a; V
Motor speed
% Z0 j3 C: s9 h" w9 J+ @Torque3 H4 g( _: m2 O7 v% T- Q+ T
Movement- K% ]+ R, X7 u8 E0 Y
Power (consumption, input)/ V2 p- D5 P& X* ^3 t7 {
Switching (change of state)
6 ~- P) p; K7 i5 n% yHeating
# L- J1 N o1 ?) I1 N; J5 }' @Timing (programme, delay, duty cycle)1 a: A4 T" f+ p& v7 B2 F
Stand-by
+ Q7 u2 p( X! o7 _* k+ b, x5 RData storage/ S* ^) J% G& b2 t1 ^9 G9 a
Sensor functions (signal transmission)/ w& D! o# a, d3 {0 @ D; |
Indicators (visual and acoustic)# V2 O3 W& T9 _/ v5 F5 }9 @
Audio function
) c2 W% n/ f$ U: b9 E, V) HIllumination7 ] }; g, s; t/ s1 K: f
10 %a
( o3 W' B: e5 k, w4 W& x( m! y) h10 %a
* b, p+ y8 S% \0 U g' b9 k10 %a
# V& j% R/ l3 K& x& t10 %a
; B' N9 W! I4 k7 p2 g: ~$ R1 l( ~–/ u+ d9 ~0 H j6 f1 r' x- n1 {, e" p
10 %a; n4 ?2 s4 P% O l- C8 |2 d
10 %a
) A3 U# a0 N$ j3 u. C( C2 @* d c–
\$ O! L" W2 u1 ~8 Q N7 |6 f' ~ p–f; Q6 ?9 K+ {/ u/ G7 |
f& S6 k8 d- ?4 n0 h* f; V8 _
f( `7 x+ y- Z% s* m. V: P
f
( l6 D- c4 g7 t––––
' p' A5 ~" S2 J& a# `% y––––/ B9 k' G; `$ q6 @6 X0 a b
–––––1 G1 x6 @) M. q8 }+ N7 ]; k. ~
++++
( p, ~5 W* |4 t: e2 {6 y7 ]+++d' p2 X) e! T V2 L6 a
e
5 }/ J; Z$ W6 `6 l8 Dg
9 k9 P% {7 w0 n. z% s! Ng) n j3 a9 K# r7 V
g4 W/ t! B: |. N3 W8 t. r
g
0 c0 _% o; D7 Z. S" [) C––––; o# a, R1 T' A: Y8 J# ]
––––2 N' z$ `- S" l
e! j, D K, ?- M1 h) i
–––– –& t7 S, l0 W! i* j9 L
No change allowed.9 k7 k; |1 s& d& a1 Y
+ Change allowed.! i) s3 J4 U6 ~& f
a Values are exclusive of the measurement accuracy.
P+ `- H" c+ O- Mb For criterion B, measurement or verification is performed during the stable operations of the Equipment Under Test before and, ^0 J$ C6 U1 a- {, I! a7 M
after the application of the specified phenomenon.
/ w1 ]5 a- q' Q7 K `c For criterion C, distinction is made between. |" B5 g# H" K
C1: before resetting and
7 x$ u/ ~' I2 h3 g* PC2: after resetting.
+ \6 V$ S9 U' }5 h, J# K- I2 Od Switching-off is allowed, switching-on is not allowed.7 o: A0 \0 z' j+ V+ B
e Loss or change of data is allowed., E! Q/ m* z: Q X; E" U' }0 x0 I" q
f Lower performance as specified by the manufacturer is allowed, but no loss of correct function.! ]# h' m& V2 {: w- q, J
g Loss of correct functions allowed.
* _# C3 a" o& O, V: tLicensed Copy: Intertek Testing Services ETL SEMKO, Intertek Testing Serv, 16 July 2002, Uncontrolled Copy, (c) BSI
9 q# O) O% X. @; v. \* L1 ^! \EN 55014-2:19974 a! n( Q3 q: T0 k0 i# e
10 © BSI 04-19991 C; l3 ]8 W- Y& G
— electrostatic discharge with performance criterion B (5.1);
' v; k7 N1 M: |+ I. r/ {5 U% U— fast transients with performance criterion B (5.2);
" m. ^! L4 o: |! G7 K8 ?& s6 T1 d— injected currents up to 230 MHz with performance criterion A (5.3);1 e& \9 J( s% b; f+ t& _$ ~
— surges with performance criterion B (5.6);
9 L7 q: ?+ P) ^. }+ x6 g— voltage dips and interruptions with performance criterion C (5.7).( y+ w" n+ ^( D' y
7.2.3 Category III' Z# ? q Y! _9 o a6 M2 N
Category III apparatus shall fulfil the following requirements:
( n7 s0 B, i3 E: \' t0 Y7 i— electrostatic discharge with performance criterion B (5.1);. E/ a1 K O& A* s! K `: {
— fast transients with performance criterion B (5.2);
& y& V6 b; t; Z* R+ H- e# O— injected currents up to 230 MHz with performance criterion A (5.3).
2 F, A, x) C( i) N7.2.4 Category IV
0 ^8 L' j, M: Z6 ]3 ?/ B& R2 ~Category IV apparatus shall fulfil the following requirements:
5 _0 ~ ^$ B" m) H- q— electrostatic discharge with performance criterion B (5.1);
8 B1 U" o0 }8 K— fast transients with performance criterion B (5.2);
$ U1 P7 }; L& |0 N; _6 Z— injected currents up to 80 MHz with performance criterion A (5.4);+ t" p7 O4 ]+ Y4 _9 x
— radiofrequency EM fields with performance criterion A (5.5);) j8 t( ^1 T/ [2 L! s
— surges with performance criterion B (5.6);$ }* [2 X$ U- k4 u4 h- l4 E; _. z
— voltage dips and interruptions with performance criterion C (5.7). |
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