|
本帖最后由 lxxcumt 于 2016-1-13 14:53 编辑 . n6 m& X% b4 q
踏雪寻梅_33 发表于 2016-1-13 11:35 0 {' k% U1 D. V; V- L6 ~5 N5 B* | O
我也没有找到,我感觉是我水平不够,有些地方没有理解,有没有大神出来讲解下?
; @% y# {& w" D) ? table 5 和table 6
0 \) e8 H7 R$ F0 e另外,由空气组成的绝缘只要满足对应的电气间隙和爬电距离是不需要进行介电强度测试的。
j6 [6 ~. q+ t7 q( R) t
' o* H% q8 ^1 a5 D即只有固体绝缘(绝缘穿通距离)构成的BI, RI等才需要介电强度测试,由规定的爬电距离和电气间隙组成的BI,RI 是已经考虑到了介电强度。' O1 g4 O' D. p J) S; I: J, K& y
6 U' z7 r" Z# ?6 N8 N1 [* v这和IEC 60335-1中的表述有很大的区别,335中的描述很笼统,只要是绝缘无论是固体或是空气构成,统统都要做电气强度测试。如果一开始读335的话,我们的潜意识里面的都会认为所有的绝缘类型都是要进行电气强度测试的。其实是不需要的。* Q: M; u r. ?" I' Y
# f4 E* e1 U) e- P在IEC 60601-1:2012中的表述:
( R& _+ `$ e1 e( c8.5.1.2 * MEANS OF PATIENT PROTECTION (MOPP)
5 a$ V4 k7 J8 k& \& ISolid insulation forming a MEANS OF PATIENT PROTECTION shall comply with the dielectric strength test according to 8.8 at the test voltage specified in Table 6.% B; ~6 u) Q' a0 I( a
CREEPAGE DISTANCES and AIR CLEARANCES forming a MEANS OF PATIENT PROTECTION shall comply with the limits specified in Table 12.0 e) ^3 L5 J9 T" |" }; E
.......
4 W {7 ^, g5 e* R6 B8 Z- ]8 w* ?( e2 u3 |- A
6 }% i0 L7 S6 x/ ?: P. [6 Y1 ?8.5.1.3 MEANS OF OPERATOR PROTECTION (MOOP)
- q" r* y( t _- B! ~$ T oSolid insulation forming a MEANS OF OPERATOR PROTECTION shall:- g. H' M& ]6 ]) R
– comply with the dielectric strength test according to 8.8 at the test voltage specified in Table 6; or" Z9 q/ D# P6 Z: k: D9 Z$ z
– comply with the requirements of IEC 60950-1 for INSULATION CO-ORDINATION.
7 @3 t5 @/ v; w8 S" o$ S9 f5 S+ bCREEPAGE DISTANCES and AIR CLEARANCES forming a MEANS OF OPERATOR PROTECTION shall:$ z4 Z8 I- E5 C9 l0 L& E8 E
– comply with the limits specified in Table 13 to Table 16 (inclusive); or5 s2 D/ l6 O; D$ W
– comply with the requirements of IEC 60950-1 for INSULATION CO-ORDINATION.
) f% K4 C6 R# u0 A8 v) i& n0 H6 ?# z' `6 _
- y `4 r: S9 d! m& S/ p.......
% z5 [/ H2 f1 a3 } ?6 [1 d% W6 }" q& ~8 y: Q' N, d3 l" t3 q0 \
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册安规
x
评分
-
查看全部评分
|