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IEC 60601-1 11.6.5中提到了判定标准:
- Z% Q7 m8 f' m* dAfter these PROCEDURES, the ME EQUIPMENT is to show no signs of bridging of insulation (or% r1 O: \/ a: H' B
electrical components) that could result in a HAZARDOUS SITUATION is likely to result in the loss
2 Q: X8 T+ `# d! Nof BASIC SAFETY or ESSENTIAL PERFORMANCE in NORMAL CONDITION or in combination with a9 N# W( s# T- u( f( f
SINGLE FAULT CONDITION (based on a visual inspection) followed by the appropriate dielectric
\/ `- \4 r" Vstrength and LEAKAGE CURRENT tests.
4 `% e: a1 y* u4 R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)
' h5 A3 H, R, V7 [: O, ^2 u
* [# l2 `) @% R# ~2 p& T3 A% n视检
5 o9 l3 {! V1 Z9 d4 A4 ]( S耐压: [) L8 X& Y5 ?* C( M7 }
泄露电流/ K+ A5 Y& ~; H5 M
测试后, check essential performence, 看看有无问题。 ! o0 x+ }9 S( @* I: z2 B" H+ l
9 A$ {9 }+ R0 ?# O( R( d( C
以上都无问题即可。: m9 A0 \9 p. \' M* E
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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