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本帖最后由 小二哥好 于 2016-9-27 15:31 编辑
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8 A$ S$ Y8 q0 f7 `( b3 Q9 P请教:
/ k: k/ K* a" Q 在做IEC60601-1:2012时,内部电路到外壳的爬电距离、空气间隙是否需要考虑?# d( ~* l1 H2 N" _
产品说明:适配器供电,初级AC240到次级DC15V。主机15V工作,但是由于功能需要,主机内部有变压器将DC15V转化为AC 70V(rms).应用部分与次级电路之间没有隔离,次级电路整个都算作是患者电路了。7 v8 q- Q3 L, K. k9 j1 S- O
次级电路到外壳(塑料外壳)之间的绝缘要求是否需要符合1MOPP,工作电压240V和2MOPP,工作电压70V的绝缘要求呢。测量的爬电距离的点是不是次级电路到外壳的缝隙处?
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应用部分是BF型的应用部分,次级与地是隔离的,整个外壳都是塑料外壳。+ K5 P F/ S) M
标准条款:
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ME EQUIPMENT shall have two MEANS OF PROTECTION to prevent APPLIED PARTS and other
9 _& {0 F m& L( S' |( ~ACCESSIBLE PARTS from exceeding the limits specified in 8.4.
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8.5.2.1 * F-TYPE APPLIED PARTS% R6 d# M; {$ o+ n# h7 X
The PATIENT CONNECTION(S) of any F-TYPE APPLIED PART shall be separated from all other parts,
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MEANS OF PATIENT PROTECTION for a WORKING VOLTAGE equal to the MAXIMUM MAINS VOLTAGE
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MAXIMUM MAINS VOLTAGE applied.
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