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各位大侠,
. e1 X n% ~% U% E 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,; Z4 W( S# N# D1 N j
以下是原文EN60598-1:2008- V a! x; [& \; @0 {& E
12.3.1 Test
% t0 o( ]! Q. Qc) The luminaire shall be tested in the enclosure for a total duration of 168 h consisting of
8 d7 {: c! z$ y% xseven successive cycles of 24 h. Supply voltage as specified in item d) below shall be ( I+ ]: I3 l" Z. f' ^6 w
applied to the luminaire for the first 21 h and disconnected for the remaining 3 h of each
/ K% x6 k# p6 fcycle. The initial heating period of the luminaire is part of the first test cycle.
$ u" c" @; I; e; J+ ]+ V3 Q9 [ The circuit condition shall be as in normal operation for the first six cycles, and as in
! W2 `% y# Q% Tabnormal operation (see Annex C) for the seventh cycle. For luminaires containing an 2 ?/ i. \' `! m/ `$ ]
electrical motor (e.g. a fan) the abnormal condition which most adversely affects the result % b$ ~7 E$ A" x; p. {: p1 }5 q
of the test shall be selected. 5 R8 f& v. x& {) i. F; t+ ]
For luminaires for which there is no abnormal condition test according to 12.5.1, the total
& {( r' E. x% Htest duration shall be 240 h (i.e. 10 x 24 cycles at normal operation). For filament : y* i" v1 R/ ~3 L* b
luminaires, the total test duration of 240 h shall apply in all cases. $ j0 y2 R+ {; P# l
5 l5 A/ i& c* C- l# q. @
12.5.1 Test . _ R! e6 m' j4 ]- R5 q! _, @0 z
Temperatures of parts listed in Table 12.3 shall be measured in accordance with the following 4 h+ S' R- D# w9 i8 m& r8 @
conditions.
5 L: ~: k" ?3 [6 F( ra) The test shall be made if, during service, the luminaire could be in an abnormal condition as % n$ d/ Y6 a9 I, z3 }
in cases 1), 2), 3) or 4) below, and if this condition would cause any part to be at a higher
' n3 G6 c/ P" {. o0 m, Ztemperature than during normal operation (in which case a preliminary trial may be
5 R7 X3 k' U1 e- fneeded).
; Y+ p% N% M4 \ If more than one abnormal condition is possible, that condition which most adversely affects 8 g9 h( o1 t' E/ G
the results of the tests shall be selected.
& O- V' n5 M. r The test is not applicable to fixed non-adjustable filament lamp luminaires, except in case
8 A' m7 d1 U# z: C. |; Q' C3) below.
' i5 T8 J% Y" F2 Z1) A possibly unsafe operating position, arising other than from misuse, e.g. if by accident o/ k1 z6 s# _* w+ J8 F
an adjustable luminaire is bent in the direction of the mounting surface by using a force
0 N2 ]) a, p$ P. q: Q0 L( tof 30 N minimum during a short period of time and on the most unfavourable point on * a7 F6 `# P( b7 h [7 U$ x `
the luminaire.
- i7 D3 I- t. G/ j2) A possibly unsafe circuit condition arising other than from defective manufacture or 1 W7 G/ S( }/ Z/ A0 E0 E- M4 y: Q
misuse; for example a circuit condition occurring at the end of the service period of a
! B% i' V6 z) F, Nlamp or of a starter (see Annex C). ) b/ |) W# C" @6 l! |% {
3) A possibly unsafe operation condition arising from the use of a GLS lamp in a filament
3 J( }/ e% i I7 B7 T( Tlamp luminaire intended for a special lamp; e.g. if, temporarily, a special lamp is ( ?/ y* k7 z8 q" Y1 X& @
replaced by a GLS lamp of the same wattage.
. _, e O9 N+ j4 t4) A possible unsafe circuit condition arising from a short circuit in the secondary circuit
6 m3 r: Q' L I3 s7 m(including the transformer itself) of a luminaire with transformer fitted for lamp voltage ' O8 P& _5 n& N: {
supply. 1 a& v' h, g' c: i
Test 2) is applicable only to tubular fluorescent and other discharge lamp luminaires. ! \8 e( t) y) D
Test 4) shall be made with a short-circuit in the lampholder. During test 4), the temperature S$ m. N5 l& o" S6 r$ ~3 q
rise due to heat emanating from the lamp to the mounting surface shall be checked by the 0 K* R' e$ Z# W& t+ o1 P
test according to item 1), while the temperature rise due to heat emanating from the 6 \! M" ]% U6 |+ s% b! e# y
transformer shall be measured with the contacts of the lampholder being short-circuited.
6 X( p+ R- x! R& ^ Luminaires containing an electrical motor are operated with the rotor locked against rotation.
. [2 T" m R7 @! H9 X4 c$ Z$ r NOTE In the case of the presence of one or more motors, the test should be made in accordance with the
/ T* U4 _/ g% p6 o/ i( z0 Amost critical condition (see Annex C). 1 s* B+ _2 Y! ^1 p
1 V' `& }: r) V ]& O谢谢!
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