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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20.2
3 o9 q+ c: F1 j$ H" Z# w. R
% R9 j0 i( `9 a% k- M' q有了防火外壳一般的零件对引燃源还有具体要求么; A0 ^* [- p5 P/ t0 s
; P8 n$ ~8 H' k1 m
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.....
# X" E% _. Y' W7 M, p4 B" M& v
4 P4 [8 K+ w/ w3 D9 E  c9 Y# l7 V
6 b3 f3 R# \2 D5 X' O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
# \! O4 O" S7 i: ZElectrical components shall comply with the relevant flammability requirement of clause 14.
1 i& W. f4 Y  C# @; e5 eWhere there are no applicable flammability requirements in clause 14, the requirements
5 W4 W& e4 t7 A: E/ ]. R& c0 d' kof 20.1.4 apply.! M; K. b  \$ {' e
Compliance is checked by appropriate tests of clause 14 or 20.1.4
  M* s. ?% |+ j3 R0 }5 D0 W) T: s( g3 G% x5 `) |: C6 D+ \
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 BOARDS; u+ K* C' P3 O1 V0 |, F
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds
$ `: C$ X" U, C2 l) Z: `15 W operating at a voltage exceeding 50 V up to and including 400 V (peak) a.c. or d.c. under& N1 t) a0 f& R% h: v
normal operating conditions, shall be of flammability category V-1 or better according to
, q$ C! w" g3 V- e2 T, |IEC 60695-11-10, unless the PRINTED BOARDS are protected by an enclosure meeting the0 ^2 i" x, q& Y
flammability category V-0 according to IEC 60695-11-10, or be made of metal, having openings
; c9 F' Y5 R; N$ b1 o7 y& fonly for connecting wires which fill the openings completely.' U1 n) ^( z5 a: a9 C9 |7 U, y6 r
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds 15 W
. {+ j' @$ |' k: H; toperating at a voltage exceeding 400 V (peak) a.c. or d.c. under normal operating conditions, and
: x+ R( ~0 ~! ebase material of PRINTED BOARDS supporting spark gaps which provide protection against
# l% v3 ]  O7 j! h7 d* @overvoltages, shall be of flammability category V-0 according to IEC 60695-11-10, unless the
' j3 j# w9 \. _0 U/ QPRINTED BOARDS are contained in a metal enclosure, having openings only for connecting wires. p/ }0 D1 }) i
which fill the openings completely.5 K: b/ a. u+ p: E( d8 t- \
Compliance is checked for the smallest thickness of PRINTED BOARD used, in accordance with! i6 |$ j& B! n  o
either:- [: R/ Y6 A( A7 h9 b
a) IEC 60695-11-10; or
! H$ F/ j3 H( P: {b) with Clause G.1 on specimens of boards as used in the apparatus, but without components.  _! ?. J, ~. u% n6 u& ?
The tests under b) are performed after a preconditioning of 24 h at a temperature of4 t4 {. s' o$ X0 P$ R
(125 ± 2) oC in an air-circulating oven and a subsequent cooling period of 4 h at room
* C# {0 ]; N, A1 i1 T. mtemperature in a desiccator over anhydrous calcium chloride.5 U8 J8 x1 C  m' ~

+ h. m1 ~: z# m: P$ e* e, ]PCB 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 - K+ |/ ~: {2 g( U  ]+ R
20.1.3 PRINTED BOARDS) {( n  g6 ^; s8 y0 v
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection ...
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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4 m; ^* B( n* g- U6 V$ V+ u& Y
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
' |, W1 e9 ]4 s5 E% J# {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
; U% o) j9 c! q8 {一般可能會不滿足標準要求的零件都 ...

  p# T* e) m- k; p& r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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