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king33025 发表于 2015-4-2 09:38 1 m* u1 S# v Y1 K2 _
IEC61032:1997图9所示13号试验探针,俗称试验销,你连贯的多读几遍就行了。
% W- R, O) r6 H) V2 _; y1 y按60598-1的标准来看的话,Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall not be coincidental with any such gap in basic insulation,nor shall any such gap in reinforced
) r3 Z5 ~* q7 F& f4 iinsulation give straight access to live parts.
d* G" S$ Y; `Openings larger than 0,3 mm in double or in reinforced insulation shall be designed so that+ o5 m4 K `5 n
live parts cannot be touched with the conical pin of test probe 13 shown in Figure 9 of% ?' ^4 O" M5 i1 i* e. f' L% S: z; d
IEC 61032.# w: P' J$ U/ z1 v. K
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& i9 V; B" p8 W0 w$ Y& }nor shall any such gap in reinforced insulation give straight access to live parts这句话的意思也是加强绝缘的开口或是缝隙不能直通带电部件啊。 |
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