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。 8 O0 ^' G g8 f/ j5 k / c1 Y& `4 g" Q+ d1.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? : T# Q) }% O r# F/ `" A5 N7 U. ?/ R 0 }0 d# g' K* [1 d g) S2.电水壶发热盘是否一定要有L/N标示?; e/ F( c1 S1 U' D" g7 q
$ h* I) v8 i/ `, H) k& U; d3.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N9 ~- i! x: O$ B% W5 M( V
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。- P4 ?# w c1 r) B ?& c& d
2.个人觉得不需要吧(这个不确定)4 I s7 P& d! F" T1 {1 Y- `
3.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) * {. w" x, l8 \22.31 Neither clearances nor creepage distances over supplementary insulation and 0 L8 m: u6 W. t$ g# R( |8 }% _reinforced insulation shall be reduced below the values specified in Clause 29 as a result of4 T$ @4 t/ O0 S: W* n% D7 r: g3 s, K
wear. 9 ]) ^1 y' n' R) |' {6 i( JIf a part, such as a wire, screw, nut or spring, becomes loose or falls out of position, neither/ i" n! Y) g* N3 O& x
clearances nor creepage distances between live parts and accessible parts shall be3 ^- m$ ]% @7 u0 c
reduced below the values specified for supplementary insulation. This requirement does not- w/ Q/ D& i b1 j) S* o, H
apply if: 8 j6 g/ O. H& g y) F0 Y– wires connected to terminals have an additional fixing provided near the terminal, so that7 E" q9 A* }- Q" l" p
in the case of stranded conductors, the fixing clamps both the insulation and conductor.6 k# S9 A2 a" V8 h/ z
With the appliance in its normal position of use, compliance is checked by inspection, by / M- ?# K" _" J& gmanual test and by measurement.