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各位大侠,
. T6 R) \3 s# c. ]; C 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,
# B& O$ ~! J0 Q以下是原文EN60598-1:2008
) a1 x8 `2 a( F; e12.3.1 Test , l/ `. X6 U6 \# q4 F; O
c) The luminaire shall be tested in the enclosure for a total duration of 168 h consisting of , m2 g1 R, o5 z% l% _# J4 i
seven successive cycles of 24 h. Supply voltage as specified in item d) below shall be 5 M- W3 }& l' b4 Y5 U" @+ |) n
applied to the luminaire for the first 21 h and disconnected for the remaining 3 h of each , d& M9 v2 F- v1 H' j
cycle. The initial heating period of the luminaire is part of the first test cycle. 5 H$ K! n$ @. V) w& l' z( |: j4 t! E
The circuit condition shall be as in normal operation for the first six cycles, and as in
1 [# |! E! q% a/ Gabnormal operation (see Annex C) for the seventh cycle. For luminaires containing an
8 h* E5 D% N% b" {8 H- c7 C7 U, Aelectrical motor (e.g. a fan) the abnormal condition which most adversely affects the result
; f9 Q& w8 S; [4 ?, ^of the test shall be selected. 6 {; q. w- k7 X# |- a4 W
For luminaires for which there is no abnormal condition test according to 12.5.1, the total
1 f, c0 l- l2 H' V9 Ttest duration shall be 240 h (i.e. 10 x 24 cycles at normal operation). For filament * e/ ]- g* Z' x$ z
luminaires, the total test duration of 240 h shall apply in all cases.
4 L0 G* _1 `, s$ Y: V9 t& G% W4 y, ?* y( h
12.5.1 Test W7 \% `. \) s7 c) x* ?; m
Temperatures of parts listed in Table 12.3 shall be measured in accordance with the following
; b8 r. L7 a) S) d9 Vconditions.
0 S, j n6 R3 Ia) The test shall be made if, during service, the luminaire could be in an abnormal condition as # _2 z9 R$ ~5 @* F$ e
in cases 1), 2), 3) or 4) below, and if this condition would cause any part to be at a higher
" y+ R* o2 {) ^/ P5 J+ D1 h" Q: u* U2 Utemperature than during normal operation (in which case a preliminary trial may be 8 W0 C" g# Z& Y9 s. n4 X3 j
needed). 0 }, G1 ?+ M( G1 n+ f9 \
If more than one abnormal condition is possible, that condition which most adversely affects " @7 v0 S7 ^0 c3 m6 I1 G$ `( n! {
the results of the tests shall be selected. ) Y& d3 o9 x9 Y$ K* J
The test is not applicable to fixed non-adjustable filament lamp luminaires, except in case
Y2 w( F# d; M( z2 _. e3) below.
+ U3 T' Y% s1 a8 H6 b4 I, W. M1) A possibly unsafe operating position, arising other than from misuse, e.g. if by accident 0 I$ S0 c' F1 L
an adjustable luminaire is bent in the direction of the mounting surface by using a force
; k$ v. v6 Y$ ` p. Xof 30 N minimum during a short period of time and on the most unfavourable point on
+ n8 @( o2 e0 o4 {% u4 F- ?the luminaire. " F4 G$ f7 a. e' v! J* L5 f
2) A possibly unsafe circuit condition arising other than from defective manufacture or
, L% R5 S- D0 a2 [3 amisuse; for example a circuit condition occurring at the end of the service period of a 8 ?6 B0 Y" t4 |. k
lamp or of a starter (see Annex C). / |, h9 E' Y& Y+ R
3) A possibly unsafe operation condition arising from the use of a GLS lamp in a filament - h5 y9 o7 b! V+ |! P4 D+ Q
lamp luminaire intended for a special lamp; e.g. if, temporarily, a special lamp is 2 q( Q- t! G p- H4 F
replaced by a GLS lamp of the same wattage.
% A3 w4 P5 X2 a4) A possible unsafe circuit condition arising from a short circuit in the secondary circuit , b4 F8 Q8 I" ^3 ?8 t" k
(including the transformer itself) of a luminaire with transformer fitted for lamp voltage
6 [8 T7 {+ G5 R) [5 Q1 Jsupply. 0 L+ a) ?" v6 ]7 Q6 N' }1 A* A" m
Test 2) is applicable only to tubular fluorescent and other discharge lamp luminaires.
* M* w5 u3 w: l, k" V- C Test 4) shall be made with a short-circuit in the lampholder. During test 4), the temperature 2 J$ n( r }' \. ] Z
rise due to heat emanating from the lamp to the mounting surface shall be checked by the * X7 f4 Z+ Z! N) @- i# a
test according to item 1), while the temperature rise due to heat emanating from the 5 q$ e, w. W$ Q# D+ D- s. g0 P5 J+ [8 y
transformer shall be measured with the contacts of the lampholder being short-circuited.
7 u+ P D l5 _9 k8 l' ] Luminaires containing an electrical motor are operated with the rotor locked against rotation. * Z' m! k2 n: N: ~8 V! D
NOTE In the case of the presence of one or more motors, the test should be made in accordance with the
3 d) u d2 p1 M I/ ]- F/ Z" wmost critical condition (see Annex C). 0 a* r2 `! t- @* H" T j
/ m# m* a6 B+ P谢谢! B, d5 l& D; n
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