多头电磁炉EMC测试

yuanlinrong

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

请教一下各位：多头电磁炉出口欧洲，EMC测试是单独一个炉头一个炉头地测试还是全部一齐打开测试？有没有依据标准？

jiayou

如果多炉头可以同时工作，当然会优先考虑同时工作的干扰是否是所有干扰中最大的，他们会根据电磁炉的电路原理来判断。

vincent_feng

CISPR 11中，7.6.7有规定测试方法
0 q# N" p* p& Z" O1 [5 a% L7.6.7 Single and multiple-zone induction cooking appliances
, ?5 h: X3 \3 e' h* m2 ?6 i  TEach cooking zone is operated with an enamelled steel vessel filled with tap water up to 80 %
3 p- g% @, G6 C# ~" D7 R8 gof its maximum capacity.
+ b* s5 W2 y% w( V+ R+ T8 BThe position of the vessel shall match the hob marking on the plate.
) x/ O7 s: Q, C0 a0 \# n6 x1 B$ uCooking zones shall be operated separately in sequence.
A cooking zone with more than one induction coil shall be measured with two load conditions.
% H2 a1 t( ^* F: [6 WThe first measurement shall be performed with the smallest coil of the zone activated. The
8 Y. M& X7 L) [- s, S* Tsecond measurement shall be performed with all coils of the zone activated. In each case, the
/ Q. x$ e. [) M; rsmallest usable standard vessel shall be used (or the smallest vessel according to the
manufacturer’s instructions, which take precedence), which just activates the smallest coil, or
4 b# g& t; i- }* Y3 Q$ Z. ]+ e$ Kall coils of the zone, respectively.
  x9 a" D  b+ G  g3 T1 N( wEnergy controller settings shall be selected to give the maximum input power.
$ A0 h8 x! G5 b( N  B$ g8 y! Y+ T' vThe vessel bottom shall be concave and shall not deviate from flatness by more than 0,6 % of
3 \% y% t1 J  c- m( aits diameter at the ambient temperature 20 °C ±5 °C.
, y" M7 @* p( {" T1 n) HThe smallest usable standard vessel shall be placed in the centre of each cooking zone. For
& K* i) U% e; n8 l: pthe dimension of the vessels, the manufacturer’s instructions take precedence.
Cooking zones which are not intended for use with even vessels (e.g. wok-zones) shall be
measured with the vessel provided together with the hob, or with the vessel recommended by
. @1 g( P: O( D$ g; Tthe manufacturer.
: W7 E  d( V0 P# o8 Q, O# A! CStandard cooking vessels (dimension of the contact surface) are:
! x; Y  e: f: [* X/ n, ^3 H110 mm
# W* Y. x7 M, f  D) w, J& d1 s' F" M145 mm
- M+ H+ j% f3 H' ~6 t180 mm
210 mm
% z  Z3 _1 Y+ r! M300 mm
Material of the vessel: the induction cooking method has been developed for ferromagnetic
utensils. For this reason, measurements shall be made with enamelled steel vessels.
NOTE Some vessels on the market are manufactured from alloys with a ferromagnetic portion. However, these
) s0 y4 F; K! @2 b3 `/ W4 Nutensils might influence the sensing circuit for vessel displacement.
0 M6 q1 m8 |  |  x7.6.8 Electric welding equipment
For arc welding equipment, the welding operation during the test is simulated by loading the
equipment with a conventional load. Arc striking and stabilising devices shall be switched off
during the emission measurements. The load conditions and the test configuration for arc
1 a  P+ p0 Z( h3 bwelding equipment are specified in IEC 60974-10.
4 D8 t& f4 r8 y5 L7 KFor resistance welding equipment, the welding operation during the test is simulated by shortcircuiting
) P$ `2 x; Q# c" O7 }9 {# H8 _the welding circuit. The load conditions and the test configuration for resistance
8 J/ B! w! o) R0 _# _  I6 Wwelding equipment are specified in IEC 62135-2.

lsysz

引用第2楼vincent_feng于2011-11-04 11:34发表的  :
' W3 T; i9 S8 l) I1 a4 \. gCISPR 11中，7.6.7有规定测试方法
7.6.7 Single and multiple-zone induction cooking appliances
! A% q6 w* a1 }8 B. m* [) bEach cooking zone is operated with an enamelled steel vessel filled with tap water up to 80 %
0 Z0 g% X9 {. |. j# O/ oof its maximum capacity.
! _0 U! X" ^: R' D4 Q) L* n2 G  KThe position of the vessel shall match the hob marking on the plate.
  p8 b1 H: _% G; e/ N# ].......

/ h6 x* }8 o5 ~0 I  g4 ]2 D欧洲标准应该是EN55014-1吧。
' W1 x# z8 y% s6 J7.3.4.1 Hob elements of hobs and heating elements of hotplates, controlled by thermostats or by energy regulators are operated with a duty cycle(50+/-10% of the control device. An aluminium pan filled with water is placed on the element. The click rate N is half of the number of switching operations per minute. If a hob or hotplate contains more than one element, the click rate shall be measured and evaluated for each individual element in turn.

vincent_feng

引用第3楼lsysz于2011-11-04 12:28发表的  :
. O% L) F6 I2 q, D

# d: p/ k% ?. T1 d8 {: ^8 U欧洲标准应该是EN55014-1吧。
7.3.4.1 Hob elements of hobs and heating elements of hotplates, controlled by thermostats or by energy regulators are operated with a duty cycle(50+/-10% of the control device. An aluminium pan filled with water is placed on the element. The click rate N is half of the number of switching operations per minute. If a hob or hotplate contains more than one element, the click rate shall be measured and evaluated for each individual element in turn.

电磁炉的标准应该是11，而不是14吧？

小YU

顶冯公子，V5碉堡了