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标题: UL60065防火外壳 [打印本页]
作者: cherish    时间: 2012-7-20 23:30
标题: UL60065防火外壳
是不是零件要符合20.1的要求并且外壳要符合20.29 i( H% v& w) X$ g" N) V- ~
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有了防火外壳一般的零件对引燃源还有具体要求么7 l# y6 Y8 R1 `8 |
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UL60065防火部分到底要怎么看
作者: cherish    时间: 2012-7-25 08:49
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.....
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  |$ w# d( j5 ^+ D5 w有沒有高人指點啊！！！！
作者: cherish    时间: 2012-7-25 15:25
PCB板材質呢？
作者: davidfu    时间: 2012-7-25 17:27
20.1.1 Electrical components
2 _) }$ R# c- c' E' H. r* E$ `Electrical components shall comply with the relevant flammability requirement of clause 14.( O, H9 ^7 E5 Y2 @0 o/ N! N
Where there are no applicable flammability requirements in clause 14, the requirements
) {* j6 i% `+ j8 ^of 20.1.4 apply.8 l, M0 v" C, \9 n( A; f% p
Compliance is checked by appropriate tests of clause 14 or 20.1.4
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对零部件的要求，请看回20.1。1章节。
作者: davidfu    时间: 2012-7-25 17:31
20.1.3 PRINTED BOARDS
: j8 V, L( r" g/ K( hBase material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds; t, j4 |) [: B3 Z/ }5 y# X
15 W operating at a voltage exceeding 50 V up to and including 400 V (peak) a.c. or d.c. under
/ e2 H7 w7 I" [8 J/ onormal operating conditions, shall be of flammability category V-1 or better according to
( E% w0 l4 @3 R) }& K% gIEC 60695-11-10, unless the PRINTED BOARDS are protected by an enclosure meeting the
; [+ D5 \3 |" K, o1 Zflammability category V-0 according to IEC 60695-11-10, or be made of metal, having openings1 }8 ]$ D# p: n+ e
only for connecting wires which fill the openings completely.$ p; I: ^/ ~1 ^4 i3 F$ C
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds 15 W
6 m" d# ]& L' x0 K! z- xoperating at a voltage exceeding 400 V (peak) a.c. or d.c. under normal operating conditions, and6 W. y6 g, v- Y2 ]/ d/ [9 U- \
base material of PRINTED BOARDS supporting spark gaps which provide protection against
6 ?, q+ @2 D, ^) F; i( @overvoltages, shall be of flammability category V-0 according to IEC 60695-11-10, unless the
" {4 ]7 j% y" X0 gPRINTED BOARDS are contained in a metal enclosure, having openings only for connecting wires6 Y6 I$ {$ }) t! V3 T7 w
which fill the openings completely.
7 |, ~3 ^2 l9 E" P% NCompliance is checked for the smallest thickness of PRINTED BOARD used, in accordance with# M8 a: P2 K8 b- G
either:
: s* e! \4 E8 D$ L$ Fa) IEC 60695-11-10; or
8 m/ N! j( H& S; vb) with Clause G.1 on specimens of boards as used in the apparatus, but without components.
7 R; @! {& f+ W0 @! Y5 ~The tests under b) are performed after a preconditioning of 24 h at a temperature of
0 S) R  b4 n8 l# \2 n(125 ± 2) oC in an air-circulating oven and a subsequent cooling period of 4 h at room
- d6 U3 b0 X, Q7 @temperature in a desiccator over anhydrous calcium chloride.
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9 |  r/ `# }, l5 O3 E4 [5 rPCB 的要求
作者: cherish    时间: 2012-7-26 15:12
davidfu 发表于 2012-7-25 17:31
# G  I, }5 I& n2 G! P+ I20.1.3 PRINTED BOARDS
* U5 g* p; H' oBase material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection ...

) ]+ D& ]- o% _3 _8 N0 @, ?3 c! C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 i1 G, n0 m  k' I& E, M% M
一般可能會不滿足標準要求的零件都在哪部份
作者: davidfu    时间: 2012-7-26 16:45
cherish 发表于 2012-7-26 15:12
5 n* o+ q: r4 b( N. T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
6 Y; P9 T' }6 W: m' o& {6 S) ^一般可能會不滿足標準要求的零件都 ...
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看电压。
作者: water1983    时间: 2012-7-27 07:21
非常感谢楼主的详尽解答。
作者: sharkxiao    时间: 2012-7-27 08:37
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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