|
各位大侠,
8 s# o* h/ h& s1 O! ~1 P 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,
% `. e: l$ V( m- t以下是原文EN60598-1:2008
- [6 X% X/ a; _' F9 E+ D* ?12.3.1 Test & L2 y# @, Y8 `7 q
c) The luminaire shall be tested in the enclosure for a total duration of 168 h consisting of
1 m& v0 H5 g+ }seven successive cycles of 24 h. Supply voltage as specified in item d) below shall be : H2 q' R9 s& h# n! {) T
applied to the luminaire for the first 21 h and disconnected for the remaining 3 h of each
) o' y: ^; k) a2 xcycle. The initial heating period of the luminaire is part of the first test cycle. 8 Q' q) t3 l; {: B
The circuit condition shall be as in normal operation for the first six cycles, and as in \8 @5 S% H+ y, O) d* F3 a
abnormal operation (see Annex C) for the seventh cycle. For luminaires containing an * l+ U1 V1 I5 ]- m- {7 v: D$ N4 P
electrical motor (e.g. a fan) the abnormal condition which most adversely affects the result
6 n4 D' D% V7 w4 I$ o8 pof the test shall be selected.
9 O( Y- k4 `7 k+ Q6 j! J For luminaires for which there is no abnormal condition test according to 12.5.1, the total
- e+ F1 t' ]4 etest duration shall be 240 h (i.e. 10 x 24 cycles at normal operation). For filament
% V7 j1 c& U* T) `9 S& nluminaires, the total test duration of 240 h shall apply in all cases. . F7 }9 c9 x/ F+ Q J$ H
8 E* ?, V: J6 [5 C' c( P/ f6 \
12.5.1 Test
; @3 ^3 y1 A% @+ \5 bTemperatures of parts listed in Table 12.3 shall be measured in accordance with the following 7 ~0 `, X- n1 A
conditions.
* O' A1 j# b% n$ Y/ Z( U* o+ la) The test shall be made if, during service, the luminaire could be in an abnormal condition as
, Y" N+ `4 Z- E9 Y5 q4 z& Gin cases 1), 2), 3) or 4) below, and if this condition would cause any part to be at a higher
' g% n# f, }* g, k5 F* htemperature than during normal operation (in which case a preliminary trial may be b2 p8 }; r8 [5 D- ~3 ~7 z. D6 Y- J
needed).
+ H Z! Y' @! k z6 y& L If more than one abnormal condition is possible, that condition which most adversely affects
, v3 R- ?$ |) ~7 rthe results of the tests shall be selected.
5 [4 a b* {3 b' Y The test is not applicable to fixed non-adjustable filament lamp luminaires, except in case 5 l8 @3 z& ^% v- k' Q
3) below. 4 T j; ] c y. r9 [* ~6 C4 j3 Q! w: s
1) A possibly unsafe operating position, arising other than from misuse, e.g. if by accident - `& q3 s( A3 `0 Y/ {
an adjustable luminaire is bent in the direction of the mounting surface by using a force
# O& T. W d, u8 U# W" Mof 30 N minimum during a short period of time and on the most unfavourable point on 1 A' K7 y# a. S2 ^8 x0 S
the luminaire.
) ?, K; \+ E5 c2) A possibly unsafe circuit condition arising other than from defective manufacture or
: Q8 b) O/ ]" omisuse; for example a circuit condition occurring at the end of the service period of a
* S% K X. \4 t {8 R; ~9 \# ]* Clamp or of a starter (see Annex C). " a* E8 W% z: n( s
3) A possibly unsafe operation condition arising from the use of a GLS lamp in a filament
9 F! W+ m1 ^9 _& W7 [lamp luminaire intended for a special lamp; e.g. if, temporarily, a special lamp is $ ]$ {1 d! W5 k+ z5 l( {
replaced by a GLS lamp of the same wattage. 5 H7 m9 f |0 r; c9 ]- G
4) A possible unsafe circuit condition arising from a short circuit in the secondary circuit
, o2 k5 R5 A: A4 W/ G(including the transformer itself) of a luminaire with transformer fitted for lamp voltage . r* \# r! z7 H, \
supply. 5 h* N8 [; |! _$ {0 `, P$ k- p7 l
Test 2) is applicable only to tubular fluorescent and other discharge lamp luminaires.
% E1 D$ @3 Z3 c2 k3 s8 v Test 4) shall be made with a short-circuit in the lampholder. During test 4), the temperature
4 b9 x k! E; R& g$ I7 S" P' J hrise due to heat emanating from the lamp to the mounting surface shall be checked by the ! R& s- W, T: y3 y9 J4 U& Z7 c
test according to item 1), while the temperature rise due to heat emanating from the
$ a' ?* w- R H! ^! z2 Z- E. f( V3 stransformer shall be measured with the contacts of the lampholder being short-circuited.
+ F6 Z$ B8 K0 r7 R0 ?% A1 U7 y Luminaires containing an electrical motor are operated with the rotor locked against rotation.
$ `5 | e" G0 l3 |% K% v NOTE In the case of the presence of one or more motors, the test should be made in accordance with the 6 d1 C" E( Y" ]) X* V2 u( V
most critical condition (see Annex C). ! I8 w) T0 K; |( v$ o
0 {% q1 {/ p5 ]# {$ Q; A" v) d% Y谢谢!( m' Q' r; i/ Q5 }% [
|
|