本帖最后由 Mecho 于 2013-12-17 12:46 编辑 * {& `5 Z0 l+ D; X. \9 O
; q* G( Z. N4 L7 m) c0 b- z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? 4 m& z$ d8 E& g6 C
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 L1 a9 a. K1 @; l8 i60335-1:2010标准相关条款如下 19.4 The appliance is tested under the conditions specified in Clause 11. Any control that
7 N2 C3 s! t- Z/ J' H4 K5 Ilimits the temperature during the test of Clause 11 is short-circuited.
0 K$ ]+ R" t% iIf the appliance incorporates more than one control, they are short-circuited in turn.3 o B; F$ E" ?; A0 }1 t
19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances2 D6 ], h- i# H3 x' s8 N
incorporating tubular sheathed or embedded heating elements. However, controls are not
% u) g, u ]" ]2 c0 G p1 Ishort-circuited but one end of the element is connected to the sheath of the heating element.8 S' |! _- [7 v
This test is repeated with the polarity of the supply to the appliance reversed and with the x+ Q' _: X- t1 l$ d: d; L
other end of the element connected to the sheath.# R1 |6 q, f+ B; [) c- T
The test is not carried out on appliances intended to be permanently connected to fixed wiring/ g \& d0 ^! s' u* p; r
and on appliances where an all-pole disconnection occurs during the test of 19.4.
3 N2 M5 l- O5 T) L& O& ZAppliances with a neutral are tested with the neutral connected to the sheath.
* L1 g6 z; {' n7 `* R5 CNOTE For embedded heating elements, the metal enclosure is considered to be the sheath.
1 U+ n8 T: l! P$ M3 M' U5 B' [ |