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各位大侠,
$ C: z# h: Y" G ?0 v LED灯具寿命测试要做多少天?我看SGS发的报告是做10天,难道LED灯具驱动电源不用考量异常条件寿命。我看标准理解是有异常测试的要做7天,没有异常测试的要做10天,
: h' w( ^8 t4 V以下是原文EN60598-1:2008
1 G* p, b( s1 ~12.3.1 Test
8 l6 E6 V* b; _2 a g4 T8 N, F3 bc) The luminaire shall be tested in the enclosure for a total duration of 168 h consisting of
/ H( c0 `2 e# m Vseven successive cycles of 24 h. Supply voltage as specified in item d) below shall be
8 d- w9 s0 t' D/ R2 japplied to the luminaire for the first 21 h and disconnected for the remaining 3 h of each
5 P( n4 d2 Y& x: X; l! Tcycle. The initial heating period of the luminaire is part of the first test cycle. - P4 G- a6 W% O, ~: m) ?
The circuit condition shall be as in normal operation for the first six cycles, and as in $ E6 a6 n9 Z& E; O$ s& W
abnormal operation (see Annex C) for the seventh cycle. For luminaires containing an
( `7 m _+ h8 O) gelectrical motor (e.g. a fan) the abnormal condition which most adversely affects the result 0 W+ }# T$ g) V# A4 j2 n
of the test shall be selected.
* \$ L* \2 d/ z5 Q; x5 E o- p For luminaires for which there is no abnormal condition test according to 12.5.1, the total
$ f5 b4 D* l( a" I* D. R2 ^( {test duration shall be 240 h (i.e. 10 x 24 cycles at normal operation). For filament + i$ T" [( q) Q+ W: {
luminaires, the total test duration of 240 h shall apply in all cases. 8 N" y. J- c3 R/ H
9 w7 H9 ?9 D7 P a4 ?3 S- r: r! Z
12.5.1 Test , O0 {5 _' J2 |
Temperatures of parts listed in Table 12.3 shall be measured in accordance with the following
3 v' N; l" v9 }2 H3 b, k' vconditions.
/ N) V6 r/ U& Aa) The test shall be made if, during service, the luminaire could be in an abnormal condition as
2 W3 D8 V4 y r2 m: gin cases 1), 2), 3) or 4) below, and if this condition would cause any part to be at a higher
( H* G8 D& a- h) s/ Gtemperature than during normal operation (in which case a preliminary trial may be
6 [3 r( }% U& ^# T' Wneeded). $ b" [- j& _& h* k5 ?" o: x6 \4 t1 ?
If more than one abnormal condition is possible, that condition which most adversely affects ! b4 K7 x' T& F% o
the results of the tests shall be selected.
3 `, a! }0 |+ U The test is not applicable to fixed non-adjustable filament lamp luminaires, except in case 4 s( v' O; p$ \) k% P
3) below.
) p% `6 U& P/ ^8 I( o9 o1) A possibly unsafe operating position, arising other than from misuse, e.g. if by accident
% T% G+ I: z$ W8 s9 Z' Nan adjustable luminaire is bent in the direction of the mounting surface by using a force
6 q( f5 C: h! R3 qof 30 N minimum during a short period of time and on the most unfavourable point on # h; ^1 M) F8 o& G
the luminaire.
1 Z# l) O3 M5 d( g2) A possibly unsafe circuit condition arising other than from defective manufacture or
, r5 R$ V& L) {/ q, V* smisuse; for example a circuit condition occurring at the end of the service period of a
8 u4 ?, O, ?" wlamp or of a starter (see Annex C).
8 y- K/ Z. _! p5 h3) A possibly unsafe operation condition arising from the use of a GLS lamp in a filament : b0 G; O: f7 P& H Z- s, x0 L! M% |1 |
lamp luminaire intended for a special lamp; e.g. if, temporarily, a special lamp is ; V* v( L, U# Y; Z9 \% |) {
replaced by a GLS lamp of the same wattage. / N) u# }1 R5 z! K. e
4) A possible unsafe circuit condition arising from a short circuit in the secondary circuit
7 L; N+ a( h' l0 K8 \3 B4 _(including the transformer itself) of a luminaire with transformer fitted for lamp voltage # P0 ^+ p" W9 e( a" L) T/ z r* k
supply. * a a; h2 ]5 `- v: K; |
Test 2) is applicable only to tubular fluorescent and other discharge lamp luminaires.
/ w/ I8 x9 I' C4 z8 A% d" O Test 4) shall be made with a short-circuit in the lampholder. During test 4), the temperature " a! L W( F; ?9 P* j R! K
rise due to heat emanating from the lamp to the mounting surface shall be checked by the
, J3 q2 F2 D( `3 @% M$ J3 O9 Otest according to item 1), while the temperature rise due to heat emanating from the 9 w$ j. ? |, b& c4 r3 G- R8 O
transformer shall be measured with the contacts of the lampholder being short-circuited.
4 C- W$ M$ \1 \1 R; }4 P; P Luminaires containing an electrical motor are operated with the rotor locked against rotation. % d" k' Q, \, N0 m# o j
NOTE In the case of the presence of one or more motors, the test should be made in accordance with the
/ Z! f; O* W" ^: F4 h) A5 lmost critical condition (see Annex C).
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% ?; J$ v, v. X5 N; F谢谢!
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