CN104215916A - Lamp reliability test method - Google Patents
Lamp reliability test method Download PDFInfo
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- CN104215916A CN104215916A CN201310214210.6A CN201310214210A CN104215916A CN 104215916 A CN104215916 A CN 104215916A CN 201310214210 A CN201310214210 A CN 201310214210A CN 104215916 A CN104215916 A CN 104215916A
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- light fixture
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Abstract
The invention discloses a lamp reliability test method applied to testing reliability of a lamp to be tested. The method includes the steps of providing a cycle timing switch which is connected to external voltage to allow an on-off test of the lamp after being serially connected with the lamp; providing an incubator in which the lamp powered on and normally emitting light is placed to allow a temperature cycle test of the lamp; after the lamp is powered on and normally emit light, placing the lamp in the incubator to allow a moisture resistance on-off test of the lamp; providing a luminosity distribution tester, powering on the lamp at a set third temperature, using the luminosity distribution tester to test luminous flux of the lamp after the lamp continues emitting light for a set sixth time, thus finishing a durability test of the lamp. The method has the advantages that design flaws of the lamp are easy to locate, testing reliability is improved, and reliability basic data is established to serve as important basis for future research and design.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of light fixture reliability test method.
Background technology
As forth generation green light source-LED, it has the title of energy-conserving and environment-protective.And LED illumination is transformed into industrial lighting from commercialization illumination, but due to the environment for use of industrial lighting lamp relatively severe, outdoor lighting lamp undergos that day alternates with night, the test of Four seasons change, rainwater, fog.Higher to the reliability requirement of lighting like this, if the reliability of light fixture can not meet the demands, light fixture is high in use procedure spoilage, and maintenance cost is expensive, is unfavorable for promoting the use of of this light fixture.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of light fixture reliability test method, can the reliability of light fixture described in Validity Test.
In order to solve the problems of the technologies described above, The embodiment provides a kind of light fixture reliability test method, for testing the reliability of light fixture to be measured, described light fixture reliability test method comprises the following steps:
One circular timing switch is provided, described circular timing switch is connected on external voltage after connecting with described light fixture, to carry out the charge passed of described light fixture, described circular timing switch is input to circulation make-and-break time on described light fixture for controlling described external voltage;
One incubator is provided, described light fixture energising normal luminous and be placed in described incubator, to carry out the temperature cycling test of described light fixture, wherein, the high temperature in described incubator is the first desired temperature, and high temperature hold time is very first time setting value, low temperature in described incubator is the second desired temperature, cryogenic hold-time is the second time setting value, and one time high/low temperature is converted to a circulation, and temperature cycle times is first number setting value;
Described light fixture energising normal luminous and be placed in described incubator, to carry out the moisture proof switches test of described light fixture, wherein, the relative humidity of described incubator is the first humidity set point, the lighting time of described light fixture is the 3rd time setting value, fall time is the 4th time setting value, and the test duration of described moisture proof switches test is the 5th time setting value;
There is provided a photometric distribution tester, described light fixture was energized after continuous luminous the 6th setting value time time at the 3rd desired temperature temperature, tests the light flux values of described light fixture, thus carry out the endurancing of described light fixture through described photometric distribution tester.
Wherein, before the temperature cycling test of carrying out described light fixture, also step is comprised: check described light fixture whether normal luminous;
Before the moisture proof switches test carrying out described light fixture, also comprise step: check described light fixture whether normal luminous;
Before the endurancing carrying out described light fixture, also comprise step: check described light fixture whether normal luminous.
Wherein, the conduction time of described circular timing switch is 10s ~ 30s, and the power-off time of described circular timing switch is 10s ~ 30s.
Wherein, the break-make number of times of described circular timing switch is 2000 ~ 3000 times.
Wherein, described first desired temperature is 50 DEG C ± 3 DEG C, and described very first time setting value is 8h ~ 24h; Described second desired temperature is-20 DEG C ± 3 DEG C, and described second time setting value is 8h ~ 24h.
Wherein, described first number setting value is 5 ~ 7 times.
Wherein, during described moisture proof switches test, the temperature of described incubator is 30 DEG C ~ 40 DEG C, and described first humidity set point is 91% ~ 95%, and described 3rd time setting value is 10min ~ 30min, and described 4th time setting value is 60min ~ 80min.
Wherein, described 5th time setting value is 480h.
Wherein, described 3rd desired temperature is 50 DEG C ~ 70 DEG C, and described 6th time setting value is 360h ~ 1440h.
The described light fixture reliability test method that the embodiment of the present invention provides, through the charge passed of described light fixture, temperature cycling test, moisture proof switches test and endurancing.As do not there is electrical component damage, LED inefficacy lamp phenomenon in described light fixture, and luminous flux sustainment rate is 95%, thus can judge that described light fixture can meet actual operation requirements.Described light fixture reliability test method, is beneficial to the design defect finding out described light fixture, increases testing reliability, and sets up reliability basic data, as the important evidence of R & D design in the future.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the light fixture reliability test method that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below with reference to the accompanying drawings embodiments of the invention are described.See Fig. 1, be the light fixture reliability test method of the embodiment of the present invention, comprise the following steps:
Step S1: provide a circular timing switch, described circular timing switch is connected on external voltage after connecting with described light fixture, to carry out the charge passed of described light fixture.Described circular timing switch is input to circulation make-and-break time on described light fixture for controlling described external voltage.In the present embodiment, the conduction time of described circular timing switch is 10s ~ 30s, and power-off time is 10s ~ 30s, and break-make number of times is 2000 ~ 3000 times.As preferably, whether the conduction time of described cycling switch is 30s, and power-off time is 30s, and the charge passed of described light fixture carries out 3000 times, normal after charge passed to test described lamp.Described charge passed carries out number of times and determines according to the tenure of use of described light fixture, and such as, the warranty of described light fixture 4 years, when twice, switch every day, described light fixture should carry out 2920 charge passed.
Step S2: no normal luminous when checking described light fixture, under the prerequisite of described light fixture normal luminous, carries out the temperature cycling test of described light fixture.The temperature cycling test of this light fixture comprises: provide an incubator, described light fixture normal luminous and being placed in described incubator.Wherein, high temperature in described incubator is the first desired temperature, high temperature hold time is very first time setting value, the low temperature of described incubator is the second desired temperature, cryogenic hold-time is the second time setting value, one time high/low temperature is converted to a circulation, and temperature cycle times is first number setting value.Preferably, described first desired temperature is 50 DEG C ± 3 DEG C, and described very first time setting value is 8h ~ 24h; Described second desired temperature is-20 DEG C ± 3 DEG C, and described second time setting value is 8h ~ 24h, and described first number setting value is 5 ~ 7 times.The heating-up time of described incubator and temperature fall time suitably can regulate according to the performance of described incubator.In present embodiment, described incubator rises to 50 DEG C through 10min from normal temperature, and keeps 16h at 50 DEG C of temperature; Then described incubator drops to-20 DEG C through 60min from 50 DEG C, and keeps 16h at-20 DEG C of temperature; Whether high/low temperature like this circulates 5 times, normal after described temperature cycling test to test described light fixture.
Step S3: no normal luminous when checking described light fixture, under the prerequisite of described light fixture normal luminous, to carry out the moisture proof switches test of described light fixture.The moisture-proof switch test of described light fixture comprises: described light fixture energising normal luminous and be placed in described incubator, wherein, the relative humidity of described incubator is the first humidity set point, the lighting time of described light fixture is the 3rd time setting value, fall time is the 4th time setting value, and the test duration of described moisture proof switches test is the 5th time setting value.Preferably, the temperature of described incubator is 30 DEG C ~ 40 DEG C, and described first humidity set point is 91% ~ 95%, and described 3rd time setting value is 10min ~ 30min, and described 4th time setting value is 60min ~ 80min.In present embodiment, described light fixture, at 40 DEG C, under the condition of relative humidity 95%, is lighted described light fixture 15min, is then extinguished 75min.Under this test condition, continue 480h, whether normal after moisture proof switches test to carry out described light fixture.
Step S4: check described light fixture whether normal luminous, under the prerequisite of described light fixture normal luminous, carry out the endurancing of described light fixture.The endurancing of described light fixture comprises: provide a photometric distribution tester, and described light fixture was energized after continuous luminous the 6th setting value time time at the 3rd desired temperature temperature, tested the light flux values of described light fixture through described photometric distribution tester.Wherein, described 3rd desired temperature is 50 DEG C ~ 70 DEG C, and described 6th time setting value is 360h ~ 1440h.In the present embodiment, described light fixture is energized continuous luminous 720h at 60 DEG C, and the luminous flux sustainment rate of the described light fixture of rear test is more than 95%, and thus described light fixture meets actual operation requirements.
The described light fixture reliability test method that the embodiment of the present invention provides, through the charge passed of described light fixture, temperature cycling test, moisture proof switches test and endurancing.As do not there is electrical component damage, LED inefficacy lamp phenomenon in described light fixture, and luminous flux sustainment rate is 95%, thus can judge that described light fixture can meet actual operation requirements.Described light fixture reliability test method, is beneficial to the design defect finding out described light fixture, increases testing reliability, and sets up reliability basic data, as the important evidence of R & D design in the future.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (9)
1. a light fixture reliability test method, for testing the reliability of light fixture to be measured, is characterized in that, described light fixture reliability test method comprises the following steps:
One circular timing switch is provided, described circular timing switch is connected on external voltage after connecting with described light fixture, to carry out the charge passed of described light fixture, described circular timing switch is input to circulation make-and-break time on described light fixture for controlling described external voltage;
One incubator is provided, described light fixture energising normal luminous and be placed in described incubator, to carry out the temperature cycling test of described light fixture, wherein, the high temperature in described incubator is the first desired temperature, and high temperature hold time is very first time setting value, in described incubator, low temperature is the second desired temperature, cryogenic hold-time is the second time setting value, and one time high/low temperature is converted to a circulation, and temperature cycle times is first number setting value;
Described light fixture energising normal luminous and be placed in described incubator, to carry out the moisture proof switches test of described light fixture, wherein, the relative humidity of described incubator is the first humidity set point, the lighting time of described light fixture is the 3rd time setting value, fall time is the 4th time setting value, and the test duration of described moisture proof switches test is the 5th time setting value;
There is provided a photometric distribution tester, described light fixture was energized after continuous luminous the 6th setting value time time at the temperature of the 3rd desired temperature, tests the light flux values of described light fixture, thus carry out the endurancing of described light fixture through described photometric distribution tester.
2. light fixture reliability test method as claimed in claim 1, is characterized in that,
Before the temperature cycling test of carrying out described light fixture, also comprise step: check described light fixture whether normal luminous;
Before the moisture proof switches test carrying out described light fixture, also comprise step: check described light fixture whether normal luminous;
Before the endurancing carrying out described light fixture, also comprise step: check described light fixture whether normal luminous.
3. light fixture reliability test method as claimed in claim 1, it is characterized in that, the conduction time of described circular timing switch is 10s ~ 30s, and the power-off time of described circular timing switch is 10s ~ 30s.
4. light fixture reliability test method as claimed in claim 1, it is characterized in that, the break-make number of times of described circular timing switch is 2000 ~ 3000 times.
5. light fixture reliability test method as claimed in claim 1, it is characterized in that, described first desired temperature is 50 DEG C ± 3 DEG C, and described very first time setting value is 8h ~ 24h; Described second desired temperature is-20 DEG C ± 3 DEG C, and described second time setting value is 8h ~ 24h.
6. light fixture reliability test method as claimed in claim 1, it is characterized in that, described first number setting value is 5 ~ 7 times.
7. light fixture reliability test method as claimed in claim 1, it is characterized in that, during described moisture proof switches test, the temperature of described incubator is 30 DEG C ~ 40 DEG C, described first humidity set point is 91% ~ 95%, described 3rd time setting value is 10min ~ 30min, and described 4th time setting value is 60min ~ 80min.
8. light fixture reliability test method as claimed in claim 1, it is characterized in that, described 5th time setting value is 480h.
9. light fixture reliability test method as claimed in claim 1, it is characterized in that, described 3rd desired temperature is 50 DEG C ~ 70 DEG C, and described 6th time setting value is 360h ~ 1440h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310214210.6A CN104215916A (en) | 2013-05-31 | 2013-05-31 | Lamp reliability test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310214210.6A CN104215916A (en) | 2013-05-31 | 2013-05-31 | Lamp reliability test method |
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| CN104215916A true CN104215916A (en) | 2014-12-17 |
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| CN201310214210.6A Pending CN104215916A (en) | 2013-05-31 | 2013-05-31 | Lamp reliability test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300660A (en) * | 2015-09-18 | 2016-02-03 | 成都虹昇光电科技有限公司 | Method for testing reliability of laser projector |
| CN109507613A (en) * | 2018-10-22 | 2019-03-22 | 惠州市华阳光电技术有限公司 | A kind of test method of Intelligent lamp |
-
2013
- 2013-05-31 CN CN201310214210.6A patent/CN104215916A/en active Pending
Non-Patent Citations (3)
| Title |
|---|
| 李丽玲 等: "探讨LED路灯技术及标准", 《照明工程学报》 * |
| 林树坚: "照明用自镇流LED灯性能测试中的注意事项", 《电子产品可靠性与环境试验》 * |
| 陈宇 等: "通过加速老化实验对LED器件可靠性的研究", 《照明工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300660A (en) * | 2015-09-18 | 2016-02-03 | 成都虹昇光电科技有限公司 | Method for testing reliability of laser projector |
| CN109507613A (en) * | 2018-10-22 | 2019-03-22 | 惠州市华阳光电技术有限公司 | A kind of test method of Intelligent lamp |
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Application publication date: 20141217 |