本帖最后由 Mecho 于 2013-12-17 12:46 编辑
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! ^. t, v9 ~$ z& h$ O6 F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 ?/ w. s% F9 E: C4 j
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?
6 s' l, D/ F% x" H3 z/ ~9 E: a60335-1:2010标准相关条款如下 19.4 The appliance is tested under the conditions specified in Clause 11. Any control that
; W/ A" f A/ |( n- ?) H* ylimits the temperature during the test of Clause 11 is short-circuited.7 p4 B. X# _& ?, W+ I
If the appliance incorporates more than one control, they are short-circuited in turn.; A2 o. A, M3 ]/ `4 x5 u
19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances) i6 T/ Z0 K: `) q2 q1 v( ^) J
incorporating tubular sheathed or embedded heating elements. However, controls are not
" P) q1 i& O3 z/ ]1 ?short-circuited but one end of the element is connected to the sheath of the heating element.
6 U; C( I# a. y+ ? j0 D a8 s, JThis test is repeated with the polarity of the supply to the appliance reversed and with the; r3 z) q1 C+ w; f
other end of the element connected to the sheath.
$ b3 b) Q. N5 M2 L+ ^The test is not carried out on appliances intended to be permanently connected to fixed wiring
/ W% _6 i2 \: l4 m) `! \and on appliances where an all-pole disconnection occurs during the test of 19.4.2 z/ E# S N% s. S' [
Appliances with a neutral are tested with the neutral connected to the sheath.
5 \$ C: |) C* ?! u [, ZNOTE For embedded heating elements, the metal enclosure is considered to be the sheath.0 y; E% W- x% k9 u
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