本帖最后由 Mecho 于 2013-12-17 12:46 编辑 " I( N* M+ j" a, K i5 Z9 u
' a* e5 F2 E, o3 O% m2 U; i' v, R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?
: Y7 Q( W) m: `% Q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?
' B3 o2 d5 T& g# v" C" |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 that0 s6 q3 t. i9 ]
limits the temperature during the test of Clause 11 is short-circuited.
3 E; n# k g3 I7 vIf the appliance incorporates more than one control, they are short-circuited in turn.
9 L3 O5 G/ \3 ]; P* Z: \* i$ m19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances8 T# q$ }5 s. Q* M1 F
incorporating tubular sheathed or embedded heating elements. However, controls are not" u4 _/ \/ T! Z
short-circuited but one end of the element is connected to the sheath of the heating element.6 q% d1 Q w. E7 i4 Q- G
This test is repeated with the polarity of the supply to the appliance reversed and with the
6 D# l; P- E I. Qother end of the element connected to the sheath.* n% t" i8 L( B, L, ?, \- |; N
The test is not carried out on appliances intended to be permanently connected to fixed wiring
/ X: q" A9 e/ U# e# q* r" Pand on appliances where an all-pole disconnection occurs during the test of 19.4.8 z( C. |% e( w/ C! {0 O# G
Appliances with a neutral are tested with the neutral connected to the sheath.
1 ?6 | M+ W/ c0 S. `) O4 jNOTE For embedded heating elements, the metal enclosure is considered to be the sheath.% U3 g2 z. }2 { D* \$ P
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