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IEC 60601-1 11.6.5中提到了判定标准:
* d7 b. i5 f, X! |4 M i' `, XAfter these PROCEDURES, the ME EQUIPMENT is to show no signs of bridging of insulation (or8 U" s; i7 r" s9 c
electrical components) that could result in a HAZARDOUS SITUATION is likely to result in the loss
- n2 y, M2 k% h3 ]of BASIC SAFETY or ESSENTIAL PERFORMANCE in NORMAL CONDITION or in combination with a
* e9 _, h* \7 D7 Y5 v1 R4 dSINGLE FAULT CONDITION (based on a visual inspection) followed by the appropriate dielectric- _3 Z: D q# `: G6 y# `3 H
strength and LEAKAGE CURRENT tests.
) [0 e# V( Q: \; K) L4 ^ ]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)% I8 Y! Q1 v3 i n. s' Q5 ]! l# [
" b0 J7 {- i4 ~/ t; R视检% H) W2 R' E% f+ O; t
耐压
+ Z+ A% p4 E. [& U( Q2 w/ `泄露电流$ O6 C1 z; k! B0 w
测试后, check essential performence, 看看有无问题。
+ s% T! M7 u8 O3 @
- t* U# a5 N1 }8 R6 l8 i8 q以上都无问题即可。 _5 O1 Z; Z; u3 i$ Q6 Z2 z9 u3 ^
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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