|
本帖最后由 zylyr2001 于 2019-4-10 09:29 编辑 + U& _0 ?# b4 x; t# P. @
6 |" K+ a9 L" `6 p# ?2 R2 o) C你的这段话是出自哪个标准?怎么我看到的是这样的:
5 B# K$ A% u0 r; Y) ~' y# q$ C3.3.12
6 l1 X8 l4 b4 m3 x% Z1 q6 vclass III appliance
5 p- P( k9 ~, ~1 O6 }appliance in which protection against electric shock relies on supply at safety extra-low ! h- h% C1 l0 n
voltage and in which voltages higher than those of safety extra-low voltage are not 5 Q/ H, j3 j% E, F3 n; Y
generated
( Y, A) s z" C; ~NOTE Basic insulation may be required in addition to supply at SELV. Refer to 8.1.4.
6 N( L& z* K3 y8 ?7 Z7 C/ ]
2 D A r$ E' O+ y但是IEC60335-1里还有这样一句:; ?2 @; b, |! |* s: N. s i3 e" E
6.1 Appliances shall be of one of the following classes with respect to protection against
" v, k4 v* C; V! relectric shock:
- d, D; D8 |$ F0 F o/ Nclass 0, class 0I, class I, class II, class III. . I. A: [7 H; `2 ]% G8 n
If an appliance consists of a part of class III construction and a detachable power supply
8 R8 S7 Y" w: a1 M+ f1 z5 ^9 bpart, the complete appliance is classified as a class I appliance or class II appliance in
6 s9 J# k6 u* l6 j3 naccordance with the classification applicable to its detachable power supply part. ' J# L# D* U3 Q4 d
如果按6.1的定义就是三类结构+可拆式适配器,整机的防护等级就取决于适配器的防护等级了,不是一类就是二类,不可能是三类。
. f, u" W! M: O. l" G |
|