本帖最后由 Mecho 于 2013-12-17 12:46 编辑
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附件附件中有完整图文描述~~~~~ 加热管 温控器设计 单相机器,带plug,也不是全极断开。 如图, 1. 我们的机器用一个EGO的毛细管温控器加在加热管的一端非正常测试做干烧时,可以满足19.4和19.5的要求吗? 2. 如果不可以的话,我们EGO有3 poles的型号,我将2极接在加热管的两端可以满足吗?
& C7 ]" N$ a) c: p* H0 G% u三相器具,固定接线,不带插头;开关控制接触器可以全极断开 如图 一个EGO,有3poles,分别接到三根加热管的一端。 这样应该可以避开19.5的测试,但是19.4的可以满足吗? 如果不行,可以采取什么样的方法来解决这个问题? 7 ~' G3 v- }9 ?/ C, \1 s
60335-1:2010标准相关条款如下 19.4 The appliance is tested under the conditions specified in Clause 11. Any control that& c1 C4 `: k3 l% A" [
limits the temperature during the test of Clause 11 is short-circuited.
/ i8 e- S1 D9 {- M" vIf the appliance incorporates more than one control, they are short-circuited in turn.
3 i B; ~+ O/ V+ R. s- s3 N+ n19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances- V- o# h" Q- o: c) O8 C5 t* `
incorporating tubular sheathed or embedded heating elements. However, controls are not
4 a* t$ D( O) Ushort-circuited but one end of the element is connected to the sheath of the heating element.
% h2 Y+ X5 q0 l0 {4 BThis test is repeated with the polarity of the supply to the appliance reversed and with the
8 ?6 |: p( Z" Eother end of the element connected to the sheath.
$ `$ x+ I8 l }, A4 f1 PThe test is not carried out on appliances intended to be permanently connected to fixed wiring
9 S' j$ V, U, X* o! V- o2 ~; X3 Fand on appliances where an all-pole disconnection occurs during the test of 19.4. q* H7 m( j3 _8 j
Appliances with a neutral are tested with the neutral connected to the sheath.5 F1 T3 m; P- q. r. Y9 F M: S
NOTE For embedded heating elements, the metal enclosure is considered to be the sheath.
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