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IEC 60601-1 11.6.5中提到了判定标准:
" y* X0 a: N. I! ]. J6 |9 bAfter these PROCEDURES, the ME EQUIPMENT is to show no signs of bridging of insulation (or
6 ~% L0 p( h: A3 @! J. ?" \- yelectrical components) that could result in a HAZARDOUS SITUATION is likely to result in the loss
/ Y5 b9 R* L) F4 `8 S9 @1 bof BASIC SAFETY or ESSENTIAL PERFORMANCE in NORMAL CONDITION or in combination with a8 \$ \0 t7 o9 _" w$ G2 H$ I6 d
SINGLE FAULT CONDITION (based on a visual inspection) followed by the appropriate dielectric) u# R* |7 `4 d V
strength and LEAKAGE CURRENT tests.
4 ?* @: Y0 [8 d3 L1 q水进到带电部件可以,但是不能导致危害情形的产生,比如基本安全或关键性能的下降缺失。(比如桥接了电池正负极,可能导致短路)
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+ E7 R2 o. g2 q7 m$ q7 a4 f) h/ u9 @视检/ F5 b2 y8 ], a; h5 L4 f
耐压
; ?! ^2 u3 `: }5 D$ D9 H$ P泄露电流- y( L: ^1 o. O
测试后, check essential performence, 看看有无问题。
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% ?7 P' ]& b- s! q' M' Z1 e# e; G以上都无问题即可。" c' t' N0 ~$ }/ o( K1 f
另外多说一句:根据设备的IP分类进行的比如防水测试后,设备内部进水被认为是正常工作条件,所以评估设备IP测试后是否会导致危险情形的产生,需要在单故障下进行,比如断开地线。 |
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