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不知道是不是这份264文件
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Standard: IEC 60598-1/1999 4 {0 m3 E+ n. J( r' o! [
Sub clause: 4.15 ! A( G- j9 [5 e/ a
& |: P. `2 U5 @% r2 Q% nSheet N°: 264/03
. P' S J# \5 j) V1 t% PPage: 1(1)
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Subject: Flammable materials 4 P1 w: h8 r5 T1 c" u3 e
' b# D2 D' i* B' U7 p3 U1 h6 UKey words: ; l& t$ E; d. @2 {+ J
- Ignition & k) r1 H; d( H
temperature ) A/ |' s3 R8 x9 {" r
- Life time
/ [; E6 Z E. O9 h- u# ~5 d- Glow wire test + C! S. R o0 _, N9 w" `" Z
0 \; m$ v& m2 n1 s7 X: D/ f, cMeeting: h( Y+ R. w' z' T8 ?
OSM/LUM No. 19
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Item: 13.1.9
: C& n" L4 ~7 B, C, O. JQuestion: & K3 D, k/ R4 I, h, g0 P
Covers / shades and similar parts, which do not withstand the 650°C glow wire test,
' j% R5 H; \& l) {shall be adequately spaced from any heated part that could raise the material to its
[) l0 ?- ? d& ?5 Aignition temperature. Generally the temperature of the lamp or the ballast / 9 c7 I5 {& B, p4 p5 N1 @3 c
transformer will not rise the material to its ignition temperature, because the maximum 3 _0 K( n) Q2 U! c9 [
temperature of the outside of a (compact) fluorescent lamp or small incandescent 8 X" ^, j# @0 |& |; [
lamp is simply too less. Besides there is a difference between the flash-ignition
; U' E& p5 g, V0 i j# ~temperature of materials. Practical example is a lighting chain with plastic decorative F2 g9 g+ ~9 z5 S; t t* h. ?
cover, spaced about 15 mm from the lamp. The maximum temperature on the outside
6 f- r% ` Q% z/ I, {& \, Pof the lamp (measured during the bridging test) was 180°C and the ignition : B- d8 Q& t. K& r
temperature of the relevant material is much more than 180°C.
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Decision:
7 o: e+ K1 ]% P( h4 v& |As the ignition temperature is not known over the life time, the ignition temperature of 3 X0 p, M# A4 v* Q
the relevant material shall not be considered. |
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发表于 2010-11-18 13:41
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