UL60065防火外壳

cherish

广东安规检测
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是不是零件要符合20.1的要求并且外壳要符合20.2

有了防火外壳一般的零件对引燃源还有具体要求么
; k' t0 v+ d" b/ c3 v
UL60065防火部分到底要怎么看

cherish

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.....

8 h# {" x' a: A* L/ }
有沒有高人指點啊！！！！

cherish

PCB板材質呢？

davidfu

20.1.1 Electrical components
3 B5 |/ p8 a3 y  BElectrical components shall comply with the relevant flammability requirement of clause 14.
Where there are no applicable flammability requirements in clause 14, the requirements
of 20.1.4 apply.
Compliance is checked by appropriate tests of clause 14 or 20.1.4
1 a0 A- V$ Z" Q- }6 M8 y
对零部件的要求，请看回20.1。1章节。

davidfu

20.1.3 PRINTED BOARDS
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds
15 W operating at a voltage exceeding 50 V up to and including 400 V (peak) a.c. or d.c. under
4 {. O7 ^% J6 W% mnormal operating conditions, shall be of flammability category V-1 or better according to
IEC 60695-11-10, unless the PRINTED BOARDS are protected by an enclosure meeting the
flammability category V-0 according to IEC 60695-11-10, or be made of metal, having openings
) g+ w+ v0 a7 E/ Bonly for connecting wires which fill the openings completely.
Base material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection exceeds 15 W
) O' x9 w0 F. m+ a+ Y! c# uoperating at a voltage exceeding 400 V (peak) a.c. or d.c. under normal operating conditions, and
, g1 Y6 ~; D- K+ U$ pbase material of PRINTED BOARDS supporting spark gaps which provide protection against
overvoltages, shall be of flammability category V-0 according to IEC 60695-11-10, unless the
PRINTED BOARDS are contained in a metal enclosure, having openings only for connecting wires
  Q$ o* ?! G7 `4 owhich fill the openings completely.
Compliance is checked for the smallest thickness of PRINTED BOARD used, in accordance with
either:
- O& g2 W8 @- E/ V! t- |  Sa) IEC 60695-11-10; or
6 s  D' q4 u9 ~& A! `b) with Clause G.1 on specimens of boards as used in the apparatus, but without components.
The tests under b) are performed after a preconditioning of 24 h at a temperature of
4 a" m# I7 e7 T' y9 w(125 ± 2) oC in an air-circulating oven and a subsequent cooling period of 4 h at room
/ U2 M: j/ i$ R( q% ktemperature in a desiccator over anhydrous calcium chloride.

PCB 的要求

cherish

davidfu 发表于 2012-7-25 17:31
20.1.3 PRINTED BOARDS
& }0 U. p9 o) N6 o6 ]( DBase material of PRINTED BOARDS, on which the AVAILABLE POWER at a connection ...

) c- N9 K( _( s, Z- q' ~; G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
一般可能會不滿足標準要求的零件都在哪部份

davidfu

cherish 发表于 2012-7-26 15:12
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
一般可能會不滿足標準要求的零件都 ...

! W/ g6 J( e/ C4 `/ k( x" K看电压。

water1983

非常感谢楼主的详尽解答。

sharkxiao

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!