标题: 关于电水壶安规方面的几个疑问 [打印本页] 作者: boll2010 时间: 2010-10-16 22:34 标题: 关于电水壶安规方面的几个疑问 关于电水壶安规方面的几个疑问,请各位大侠指点。 ! _9 G% o: C2 g, E% |1 Y' G: m" B; [8 ~8 S, f1 N8 T' T
1.电水壶蒸汽开关可以接在零线上吗?安规有没有这方面的规定? & v- ^( i. P* K& [" z/ l, O/ L+ k3 Q l) O9 U$ H& z) H5 H
2.电水壶发热盘是否一定要有L/N标示? + T/ O3 w) w' e3 I8 L& B- p( g, w/ z3 Z- u4 i- B
3.连接温控器的接线端子的拉力测试是多少N?GB4706中有规定吗?作者: emperorlee 时间: 2010-10-17 00:14
你既然问GB4706有没有规定,还不如直接看看呢。这些规定,都是“没有即是不强制要求。”但不包括前后互相引用的,在理解时要注意。作者: mine201 时间: 2010-10-28 19:36
连接温控器的接线端子的拉力测试是多少N ' J+ u5 i0 n' S- L8 u( {" D) b- t应该是60N作者: 山炮 时间: 2010-10-28 19:49
啊~,60N拉力?作者: wenqingqing 时间: 2010-10-29 10:50
1.常见的电水壶蒸汽开关都是全极断开的,要接L/N.如果你的电水壶设计特殊可以发电路图讨论。 + [) [ J7 x2 W! D, ]2.个人觉得不需要吧(这个不确定) $ N' l3 s3 e; {6 Q: e3.标准要求必须可靠固定(要求如下),一般接受焊接或端子有倒扣(印象里没有拉力要求)' T8 b! r% y/ ~% |3 Q1 k, j p! R
22.31 Neither clearances nor creepage distances over supplementary insulation and & f2 q) {. P0 U1 }reinforced insulation shall be reduced below the values specified in Clause 29 as a result of 0 e+ I! @! @& N/ j7 Wwear. # |1 B8 U8 k+ E/ l* P2 A" c& @' g0 x9 V- BIf a part, such as a wire, screw, nut or spring, becomes loose or falls out of position, neither& K. a3 W, ~ X& l' g. H
clearances nor creepage distances between live parts and accessible parts shall be % |9 A' A: h; G( q+ A% c, ^reduced below the values specified for supplementary insulation. This requirement does not. _8 a- u% Q# s! H5 x' s
apply if: B0 m5 `: c( s: X' B1 e– wires connected to terminals have an additional fixing provided near the terminal, so that) @4 ]3 R' y! B' k
in the case of stranded conductors, the fixing clamps both the insulation and conductor.; y/ V7 J+ c4 l j
With the appliance in its normal position of use, compliance is checked by inspection, by : a+ B* M# l2 f+ z* c4 |& }manual test and by measurement.