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[音视频产品] UL60065防火外壳

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发表于 2012-7-20 23:30 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
是不是零件要符合20.1的要求并且外壳要符合20.27 k8 w( c, l# g: p+ W9 T
- p3 W! O5 o: q, A
有了防火外壳一般的零件对引燃源还有具体要求么9 j# D6 a7 W6 f. m# T

& D: T3 b9 d* |5 }UL60065防火部分到底要怎么看
 楼主| 发表于 2012-7-25 08:49 | 显示全部楼层
里面沒有危險電壓,外殼開孔就沒有任何要求嗎?對里面的零件有什麽要求呢?如果rating是12V/1.5A.....5 g" L& S* E3 \! v6 h% K$ N; o3 d
6 m$ _* D* x: p" M* A! Z

) G6 u$ q* m3 I% y2 _有沒有高人指點啊!!!!
 楼主| 发表于 2012-7-25 15:25 | 显示全部楼层
PCB板材質呢?
发表于 2012-7-25 17:27 | 显示全部楼层
20.1.1 Electrical components) d/ e# E' q7 j; _4 O
Electrical components shall comply with the relevant flammability requirement of clause 14.  e  {" L& D- {& h. O3 P
Where there are no applicable flammability requirements in clause 14, the requirements+ s6 _( J1 l, V+ _2 f% Z+ j2 u
of 20.1.4 apply.
: r6 U/ [) b: jCompliance is checked by appropriate tests of clause 14 or 20.1.4
7 m6 x6 u0 Q4 G& b' t" Y* R+ J* V7 n2 ~- N  C- l
对零部件的要求,请看回20.1。1章节。
发表于 2012-7-25 17:31 | 显示全部楼层
20.1.3 PRINTED BOARDS8 O+ q1 \* z4 U- }! e& R
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds
+ Q$ I+ P; N# ^* n, F: Q15 W operating at a voltage exceeding 50 V up to and including 400 V (peak) a.c. or d.c. under5 o9 T, l& ]. [
normal operating conditions, shall be of flammability category V-1 or better according to7 X" k* z% w$ H2 s+ T
IEC 60695-11-10, unless the PRINTED BOARDS are protected by an enclosure meeting the
* a& a- l0 z% fflammability category V-0 according to IEC 60695-11-10, or be made of metal, having openings
0 n0 a: Z1 k- K( wonly for connecting wires which fill the openings completely.& m( E2 e' P0 z" s& `
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds 15 W
2 u- p$ J( i) O4 P% v; e  Poperating at a voltage exceeding 400 V (peak) a.c. or d.c. under normal operating conditions, and2 _% s& n: V7 E2 G5 E  R
base material of PRINTED BOARDS supporting spark gaps which provide protection against
1 [8 i" }- S% K$ Iovervoltages, shall be of flammability category V-0 according to IEC 60695-11-10, unless the# K4 R$ B6 S: R7 i- P* z: T$ C
PRINTED BOARDS are contained in a metal enclosure, having openings only for connecting wires
+ @9 ~+ T5 x, G0 k, M, E: x9 q! wwhich fill the openings completely.
  [! J$ i1 \- Q6 lCompliance is checked for the smallest thickness of PRINTED BOARD used, in accordance with
+ Y# g, U) w; V2 l- V$ J3 M' }( }+ ceither:: {8 ?* F6 O( Y% Z) g0 Q; V
a) IEC 60695-11-10; or1 ?! R/ Z, E( I* [# _
b) with Clause G.1 on specimens of boards as used in the apparatus, but without components.9 x- w4 C" a7 [0 K
The tests under b) are performed after a preconditioning of 24 h at a temperature of
  A/ u# @+ s0 W(125 ± 2) oC in an air-circulating oven and a subsequent cooling period of 4 h at room. [* G, z) y# p8 N
temperature in a desiccator over anhydrous calcium chloride.6 O: u; Q/ Q+ L6 g1 E( p* Y- L, o

# H5 v. f7 `0 \- S0 K! PPCB 的要求
 楼主| 发表于 2012-7-26 15:12 | 显示全部楼层
davidfu 发表于 2012-7-25 17:31 , Z4 @; M) ^+ h
20.1.3 PRINTED BOARDS" ~/ G0 D9 y; E/ r
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection ...

# E& _, A8 e9 s+ d' F, }% J8 R2 m8 |  a對一般外接adaptor的產品,里面主板上的零件要注意什麽么?內置電源呢. `2 Q" ]& [  ]( b' f  O/ ~
一般可能會不滿足標準要求的零件都在哪部份
发表于 2012-7-26 16:45 | 显示全部楼层
cherish 发表于 2012-7-26 15:12
" @3 E& l# L  Z對一般外接adaptor的產品,里面主板上的零件要注意什麽么?內置電源呢3 u1 Z2 j7 S/ n" n+ [7 a
一般可能會不滿足標準要求的零件都 ...
+ Q6 t& I! g. [1 ~, W% o2 u
看电压。
发表于 2012-7-27 07:21 | 显示全部楼层
非常感谢楼主的详尽解答。
发表于 2012-7-27 08:37 | 显示全部楼层
如果是内置电源,啥要求也没有,如果是安全电压,也啥要求没有!
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