本帖最后由 Mecho 于 2013-12-17 12:46 编辑 ! U; _8 n' i" s8 q# @ ~' ?- D
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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?
% F N, [0 U. E5 o! y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?
- K6 W) [7 ?. ]& V5 M60335-1:2010标准相关条款如下 19.4 The appliance is tested under the conditions specified in Clause 11. Any control that$ D2 M5 k8 r8 F4 G5 ?+ B1 X
limits the temperature during the test of Clause 11 is short-circuited.
7 h) S% x, v; g& D( H) W" rIf the appliance incorporates more than one control, they are short-circuited in turn.
, ?" w7 M' I9 E5 t* g* m" x19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances6 { F. z4 B. U9 q
incorporating tubular sheathed or embedded heating elements. However, controls are not
. ?" a- \8 Z, qshort-circuited but one end of the element is connected to the sheath of the heating element.
0 p8 h+ f# F9 a6 S( X @+ l( u* E0 k9 c) KThis test is repeated with the polarity of the supply to the appliance reversed and with the4 ?0 {6 r; Q1 [& C2 Y1 f+ _
other end of the element connected to the sheath.
7 t: o8 v/ M' Q# Q5 K e ^The test is not carried out on appliances intended to be permanently connected to fixed wiring
4 b6 T' C3 z2 l6 f8 T: ]and on appliances where an all-pole disconnection occurs during the test of 19.4.7 \; S/ U& l: I
Appliances with a neutral are tested with the neutral connected to the sheath.
% K3 B5 h0 Z: s$ Y$ V! WNOTE For embedded heating elements, the metal enclosure is considered to be the sheath.
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