本帖最后由 Mecho 于 2013-12-17 12:46 编辑 $ c1 N5 t# j# U5 A5 K5 _+ C7 e
% P9 o. b5 f! K) d# B2 K. 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? ) ~+ N0 c5 q5 i8 z" @/ m2 ~
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? 2 J5 [+ H# [1 a0 F4 m7 h
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
# f; _( T/ [4 P& C6 ^9 j e. l) Ylimits the temperature during the test of Clause 11 is short-circuited.
$ \" z" O/ P1 oIf the appliance incorporates more than one control, they are short-circuited in turn.& t4 u" I' w' |+ G0 Z' u
19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances
# f" u0 @& I+ b- h0 m- v' Z) a0 L, iincorporating tubular sheathed or embedded heating elements. However, controls are not2 M4 w Z/ ~) {2 k
short-circuited but one end of the element is connected to the sheath of the heating element.
6 w8 L; l8 `9 Y: P% g0 H6 z5 K' RThis test is repeated with the polarity of the supply to the appliance reversed and with the# E' ?. S: n2 K! i. Q
other end of the element connected to the sheath.
5 A) k: G% N" TThe test is not carried out on appliances intended to be permanently connected to fixed wiring2 n% T+ O' _; ], g9 {* p
and on appliances where an all-pole disconnection occurs during the test of 19.4.
/ f& D3 Y5 f. |: _, W7 UAppliances with a neutral are tested with the neutral connected to the sheath.1 J" E9 V* N+ Z) h S
NOTE For embedded heating elements, the metal enclosure is considered to be the sheath.
0 E% W' \0 g4 K |