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?
; K' ^! _% a ~' e( F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? * m7 k& h- |% `1 o, Q+ F7 n: D' F y
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
* d1 ^. r) i# I, F0 M+ rlimits the temperature during the test of Clause 11 is short-circuited.
1 p% n; `6 r1 |3 w% _8 I3 a* X* MIf the appliance incorporates more than one control, they are short-circuited in turn.
) F& }0 {8 \* j' _6 x7 G, N19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances
7 `1 U0 k, x9 w7 J' @/ `5 eincorporating tubular sheathed or embedded heating elements. However, controls are not
J/ t* v) g- @" h7 Lshort-circuited but one end of the element is connected to the sheath of the heating element.+ e# g* C8 G; U& `; k8 C) V3 [7 Z
This test is repeated with the polarity of the supply to the appliance reversed and with the/ R" E: t6 h, V0 b
other end of the element connected to the sheath.8 o3 B0 p" w; x6 z; z: h( N
The test is not carried out on appliances intended to be permanently connected to fixed wiring* F; ~) Q# L. X
and on appliances where an all-pole disconnection occurs during the test of 19.4.; R$ |. V1 C/ Z% b# ^# B
Appliances with a neutral are tested with the neutral connected to the sheath.
) `5 s9 K5 N& Q& v6 w, j, F4 fNOTE For embedded heating elements, the metal enclosure is considered to be the sheath.
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