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各位大侠,+ l5 e. b7 t) g( A& A5 s% T" \" g
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,
6 }4 A9 [) M. `- A% a以下是原文EN60598-1:2008
9 s6 f9 C( d. C3 Y* z/ m+ U3 N2 a12.3.1 Test
6 a1 G! q6 I( V1 C1 f, H$ V) Uc) The luminaire shall be tested in the enclosure for a total duration of 168 h consisting of
9 ?/ M* `! R6 H# e# Gseven successive cycles of 24 h. Supply voltage as specified in item d) below shall be
) c. I" c' M# [& R& xapplied to the luminaire for the first 21 h and disconnected for the remaining 3 h of each 2 \! w. F- r, a3 `$ y
cycle. The initial heating period of the luminaire is part of the first test cycle.
' ~% J( k( T& ? The circuit condition shall be as in normal operation for the first six cycles, and as in 8 ?- ^9 m m: q$ D- [
abnormal operation (see Annex C) for the seventh cycle. For luminaires containing an
2 U% i1 W! y8 u% R: D1 } \electrical motor (e.g. a fan) the abnormal condition which most adversely affects the result 3 Y$ C' h. y& M4 O/ z
of the test shall be selected. 1 }) h, y+ ~2 X' I+ k
For luminaires for which there is no abnormal condition test according to 12.5.1, the total
9 a+ t, K5 A% @0 {( b/ ?# c% j Z4 e, ?test duration shall be 240 h (i.e. 10 x 24 cycles at normal operation). For filament
- e: n; m7 X6 H0 g: Y2 v# [luminaires, the total test duration of 240 h shall apply in all cases.
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12.5.1 Test - g3 K( D4 j Y$ S
Temperatures of parts listed in Table 12.3 shall be measured in accordance with the following - g C" g( M- U7 l
conditions.
9 ~% b" I7 R: @/ s7 N* C0 q& Da) The test shall be made if, during service, the luminaire could be in an abnormal condition as " w* y1 [* p- U+ _
in cases 1), 2), 3) or 4) below, and if this condition would cause any part to be at a higher . n- T1 H6 N3 t# W) i. l9 V8 A% C
temperature than during normal operation (in which case a preliminary trial may be
* A% [# P* q7 ?2 x0 Ineeded). ; r6 Z, A8 b; ?' R
If more than one abnormal condition is possible, that condition which most adversely affects # V1 x7 K4 U- D: Y( j
the results of the tests shall be selected.
. a3 y L4 q9 D* f The test is not applicable to fixed non-adjustable filament lamp luminaires, except in case
5 ^$ t6 {1 h2 B, d' z) t4 F3) below. . Q+ ^, l" C/ }. r$ f
1) A possibly unsafe operating position, arising other than from misuse, e.g. if by accident
* u* K Z A( W. X! L; S, pan adjustable luminaire is bent in the direction of the mounting surface by using a force # x3 @( m: M/ D/ y
of 30 N minimum during a short period of time and on the most unfavourable point on 3 Q2 i$ Q3 t* H: {/ s
the luminaire. 9 ]$ Q9 s- I) F! A! n2 t. U- F8 P
2) A possibly unsafe circuit condition arising other than from defective manufacture or
& f; k3 N6 a) V' Z" \7 j/ Vmisuse; for example a circuit condition occurring at the end of the service period of a 8 ], T8 t8 X Q* @. y9 z. _" d
lamp or of a starter (see Annex C).
% {$ |& d! _ l% i4 X3) A possibly unsafe operation condition arising from the use of a GLS lamp in a filament
4 J& q( s% R5 @lamp luminaire intended for a special lamp; e.g. if, temporarily, a special lamp is
2 S9 T7 ]; P) r# t' nreplaced by a GLS lamp of the same wattage.
, @! W7 g% \; S: W4) A possible unsafe circuit condition arising from a short circuit in the secondary circuit
+ \" U d& i. @- A; u$ h) v* @(including the transformer itself) of a luminaire with transformer fitted for lamp voltage $ z" k7 a' t+ f0 G* J! N
supply. # _6 {- a4 O6 r# J( }# ^
Test 2) is applicable only to tubular fluorescent and other discharge lamp luminaires. . ?2 |$ C) l8 ?- y8 b# n' H
Test 4) shall be made with a short-circuit in the lampholder. During test 4), the temperature
$ }& {6 I$ p% `/ zrise due to heat emanating from the lamp to the mounting surface shall be checked by the % `" N! Q! u6 ?5 v) V) n, s
test according to item 1), while the temperature rise due to heat emanating from the
9 ?/ d8 I L7 B9 @. i( H$ x" \0 Vtransformer shall be measured with the contacts of the lampholder being short-circuited. 9 v( t% w8 s4 s3 W+ m* y
Luminaires containing an electrical motor are operated with the rotor locked against rotation. ) X6 Y& u$ q$ H! x. Q
NOTE In the case of the presence of one or more motors, the test should be made in accordance with the + V, b; [) S9 t4 }; L _
most critical condition (see Annex C).
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5 f) c7 R" n3 l3 X谢谢!
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