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IEC 60601-1 11.6.5中提到了判定标准:) a' \; d* u! ]5 [/ I! p
After these PROCEDURES, the ME EQUIPMENT is to show no signs of bridging of insulation (or
; J* N |8 E& h- X7 lelectrical components) that could result in a HAZARDOUS SITUATION is likely to result in the loss* b* O1 ~1 m/ k2 `. C$ p1 e1 r2 n
of BASIC SAFETY or ESSENTIAL PERFORMANCE in NORMAL CONDITION or in combination with a$ M6 v; J; `" M
SINGLE FAULT CONDITION (based on a visual inspection) followed by the appropriate dielectric& l3 ]1 m8 L! T0 M4 h, p. O
strength and LEAKAGE CURRENT tests.
7 m. N/ Y: a# T/ b' ]. M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)
3 _! z4 k$ Z+ ?; \) a, o0 p2 U: D0 |
视检
) C% ]+ \( E/ k' ?耐压
3 f u) I' t/ Q$ }. I5 S$ ]泄露电流
F. D& |3 i) i4 n+ w7 r. M0 t5 a测试后, check essential performence, 看看有无问题。
4 J% I3 ?# ~7 {, s5 N- N1 T5 y: s6 ^8 k' B
以上都无问题即可。, j; @/ E& \9 n& [" q( j5 |
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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