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[EMC] DSH 594 Discontinuous disturbances producted by a steam iron with boiler station

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发表于 2012-9-4 16:39 | 显示全部楼层 |阅读模式
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本帖最后由 小米 于 2012-9-4 16:45 编辑
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DSH 594# f+ m$ F$ `; l* F  w
Discontinuous disturbances producted by a steam iron with boiler station.; G8 o1 p! L* `( i4 y
7.3.4.11. P  K& H& R- O! ]$ {1 N6 }: i
CISPR 14-1(ed.4);am1;am24 I# d4 v8 {0 A4 Q( n% X6 k
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Question:
& F0 p. N* R7 e: x* H6 BHow to consider the case of a steam iron with boiler station concerning the test of discontinuous interferences CISPR14-1:2002? :: i0 W! k. q$ b% s0 t& g
The clause 7.3.4.11 defines the testing conditions for irons (dry or steam), but there are no precisions regarding the boiler part actuated manually.
+ P, R7 M' [: I' c$ UThe standard defines in clause 4.2.3.1 that individual switching operations are generally not taken into account for this test, and gives requirements in clauses 7.2.3 & 7.3.2.4 of specific apparatus for which repetitive switching manual operations are taken into consideration (sewing machines, calculating machines, soldering equipment, etc. ). But nothing is said about steam boiler station of iron.5 d& B% y1 N( q  q4 r$ E
Do we have to apply strictly the standard (only clause 7.3.4.11) or to test the boiler station with a cycle of manual operation for steam generation ?4 j* M4 h/ x9 ~. [# Q8 w
Proposal:! T# i: D+ u) H2 C- ]* v
This appliance has to be test with iron settled at the max temperature (worst case and according sub-clause 7.3.4.11), boiler switched on and making 10 second of steam production and 10 second of stand by (according to normal use stated in IEC 60335.2.3).
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