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IEC 60601-1 11.6.5中提到了判定标准:
! H q" _7 A6 _After these PROCEDURES, the ME EQUIPMENT is to show no signs of bridging of insulation (or
3 f' V6 \- ^- u* @6 gelectrical components) that could result in a HAZARDOUS SITUATION is likely to result in the loss3 z X! W- w! \$ X/ S9 F6 u. r& p
of BASIC SAFETY or ESSENTIAL PERFORMANCE in NORMAL CONDITION or in combination with a6 T6 ?& C) @6 i4 D0 c, g* ?
SINGLE FAULT CONDITION (based on a visual inspection) followed by the appropriate dielectric
! `5 M4 J9 M4 V* Istrength and LEAKAGE CURRENT tests.
! Z3 W8 }7 t# f K) ~2 b1 K) }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)
7 F: r4 s" D) w3 K8 s1 F, r$ W$ {
$ s; f" `# ]8 ]( Y H3 h视检0 I! p# L/ @5 s# k7 [
耐压" @# q# N/ U) k: L+ y% L
泄露电流4 m- |# ^0 U4 F, O. D |6 Y) X: v0 u1 @
测试后, check essential performence, 看看有无问题。 3 U8 A0 P: `7 M; v
9 B( T% K" x6 Q4 a- D* k" j以上都无问题即可。7 a+ Y& q$ R( L
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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