本帖最后由 Mecho 于 2013-12-17 12:46 编辑 + W( S2 B2 I$ Q9 C6 v
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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?
2 \' P5 x" k4 I7 x, c! n6 @6 ~: r' h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? # l$ I8 p" l$ f# A7 L" v
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
0 e) r' N3 I1 r2 plimits the temperature during the test of Clause 11 is short-circuited.
( v( F* @1 ] P% P( o0 M- i$ t" a6 h3 iIf the appliance incorporates more than one control, they are short-circuited in turn.
" x. Y7 ~- h& ?( e% z9 T1 k& R19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances2 W8 U& L1 {6 j2 n; F) z
incorporating tubular sheathed or embedded heating elements. However, controls are not
9 V* _) Q# W& W; k# t5 \! ?( nshort-circuited but one end of the element is connected to the sheath of the heating element.
5 @2 B2 C2 T7 w- H+ {This test is repeated with the polarity of the supply to the appliance reversed and with the0 G% B! l! L( k# ]/ Q( n
other end of the element connected to the sheath.
& V! h% L, L# t: V' Y# Q( z' X+ kThe test is not carried out on appliances intended to be permanently connected to fixed wiring3 c" z1 {- E' y* ]: H
and on appliances where an all-pole disconnection occurs during the test of 19.4. W5 z6 F$ N0 J
Appliances with a neutral are tested with the neutral connected to the sheath.* V6 n- N" ]* S( \
NOTE For embedded heating elements, the metal enclosure is considered to be the sheath.
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