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IEC 60601-1 11.6.5中提到了判定标准:
* B) ~# A* |5 B1 B3 g* s" ]; IAfter these PROCEDURES, the ME EQUIPMENT is to show no signs of bridging of insulation (or
3 K( ]2 w, t, n5 Celectrical components) that could result in a HAZARDOUS SITUATION is likely to result in the loss6 x* Y; ]5 |8 N. G% \) E/ d) j4 H4 W. C
of BASIC SAFETY or ESSENTIAL PERFORMANCE in NORMAL CONDITION or in combination with a" {& n8 I/ T0 q U) t! i
SINGLE FAULT CONDITION (based on a visual inspection) followed by the appropriate dielectric3 r9 J$ R: e! y2 v
strength and LEAKAGE CURRENT tests.& ?6 x+ T4 T- @* F- i+ j. D
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)! O: a- A6 T7 }
, H: u/ V0 ^# v视检( S* N' n: {' j; V" r/ \; N$ \4 w% w
耐压
+ y" V8 t- V/ G' B3 U1 Q5 J( D4 ^泄露电流
" I5 E3 g6 B8 k: N+ l% H: Y$ _* U测试后, check essential performence, 看看有无问题。 * d8 Y' P6 o9 W
7 U0 w( a# R/ p( M# B
以上都无问题即可。( G U: v) d9 k" z
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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