CN102608546A - Dynamic IP (Ingress Protection) testing method for LED (Light-Emitting Diode) illuminating lamp - Google Patents

Dynamic IP (Ingress Protection) testing method for LED (Light-Emitting Diode) illuminating lamp Download PDF

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Publication number
CN102608546A
CN102608546A CN2011100211390A CN201110021139A CN102608546A CN 102608546 A CN102608546 A CN 102608546A CN 2011100211390 A CN2011100211390 A CN 2011100211390A CN 201110021139 A CN201110021139 A CN 201110021139A CN 102608546 A CN102608546 A CN 102608546A
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China
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test
light
light fixture
testing
dynamic
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CN2011100211390A
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Chinese (zh)
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CN102608546B (en
Inventor
周烨
王钢
罗滔
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广州市熠芯节能服务有限公司
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Abstract

The invention relates to a dynamic testing method for measuring a durable IP (Ingress Protection) capacity of a LED (Light-Emitting Diode) illuminating product, which comprises the following steps: after ensuring a continuously lightened LED lamp to be subjected to aging in the environment with water vapor, dust and high and low temperature impact, which is similar with the real outdoor environment, occasionally exposing the LED lamp in the water and water vapor and dynamically testing the variation of the IP grade of the LED lamp in the using process to verify the durable safety of the lamp, so that the durable reliability or weather resistance of the LED lamp are more objectively reflected.

Description

A kind of LED lighting dynamic IP method of testing

Technical field

The present invention relates to the detection method of LED lighting, be specifically related to a kind of dynamic IP method of testing that combines light fixture classification of waterproof and permanance.

Background technology

The degree of protection test is to prevent that foreign material or water from getting into the light fixture security performance parameter of shell ability, all relates in all LED road illuminating lamp specialized standards.Whether this index directly shows whether safety of light fixture, can under the environment of correspondence, use.Method of testing confirmed by the shell protection level estimate method that standard GB 4208-2008 formulates, mainly through confirming the IP grade like the complexity that foreign matter such as the dust grains of sand and water get into light fixture.The IP grade has two characteristic numerals, respectively dustproof grade of expression and classification of waterproof.Requirement with the LED road illuminating lamp is an example, and all provincial standards all require to prevent dust grade will be more than 6 grades, and promptly shell must be done the close processing of dirt; Classification of waterproof then will 5 grades to not waiting more than 7 grades, just distinguish corresponding anti-spraying, anti-strong water spray, anti-short time immersion.

For the LED light fixture, because lamp life is very long, assessment light fixture aspect of performance need consider that light fixture is in the neutral retainable ability of long-term use.Wherein, the IP grade just possibly change because of loosening or the wearing out of encapsulant of lamp part in the actual use of light fixture.Taked temporarily sealing property fine but be unfavorable for the long-term sealing means that uses such as the fitting structure of some censorships; Can when primary detection IP protective characteristic, obtain better degree of protection result; But be difficult to stand severe tests in actual the use, for example use but to have aqueous vapor after a period of time and get into lamp body and save bit by bit and to discharge.Because existing IP ranking measuring method is based on the censorship light fixture in the disposable degree of protection test of not lighting under the situation, can't reflect variation along with the increase lamp outer casing protective capacities of light fixture service time.

Summary of the invention

The present invention relates to the method for testing that a kind of LED of measurement road lighting product uses ability lastingly; Be based on the dynamic LED road illuminating lamp method of testing of degree of protection and life-span interlock test; The technical matters that solves is under the experiment condition condition of limited; Objective evaluation light fixture reliability and weatherability ability; Reflect firmly airtight Lai Jiuxing of fitting structure simultaneously, be particularly suitable in the LED of lack of uniform standard, fast development road lighting product, carrying out the evaluation of light fixture reliability standard and weatherability ability.

Technical matters of the present invention solves like this: a kind of dynamic LED lighting waterproof test method based on degree of protection and life-span interlock test, it is characterized in that, and may further comprise the steps:

A with light fixture continue under certain condition to light aging after, at interval light fixture is carried out the detection of photoelectric properties according to certain hour;

After the each photoelectric properties of B detect, light fixture is extinguished, carry out the test of lamp outer casing waterproof and dustproof in order;

C lights light fixture again and proceeds senile experiment by identical conditions, and repetition A, B, C test process obtain LED light fixture dynamic IP change of rank table, the IP grade of definition dynamic LED.

According to method of testing of the present invention, it is characterized in that: limit in the test duration length continuous round-robin periodicity dynamic test process certain from steps A to step C;

According to method of testing of the present invention, it is characterized in that: before EOT, carried out twice test at least from steps A to step C.

According to method of testing of the present invention; It is characterized in that: the described optical property of steps A and B comprises that light fixture is radiated at the performance of the light on the reception plane beyond the certain distance; Perhaps directly receive the performance of the light that light fixture sends, the performance of the light of all light of perhaps adding up light fixture and being sent at certain distance; The performance of described light includes but not limited to luminous flux, correlated colour temperature, chromaticity coordinates, light intensity, illumination.

According to method of testing of the present invention, it is characterized in that: among the step B, described dustproof test is the dirt density test; Described dirt density test is whether the inspection light fixture can get into dust.

According to method of testing of the present invention, it is characterized in that: among the step B, described waterproof test is the trickle test; Described trickle test is whether the inspection light fixture can damage under the trickle state.

According to method of testing of the present invention, it is characterized in that: the environment temperature that light fixture continues to light is 25 degrees centigrade.

According to method of testing of the present invention, it is characterized in that: the environment temperature that light fixture continues to light includes, but are not limited to high low temperature circulation impact for greater than 25 degrees centigrade and less than 100 degrees centigrade.

According to method of testing of the present invention, it is characterized in that: the experiment condition that applies in each time interval is identical.

The characteristic of method of testing of the present invention is; Through in ageing process, interting the mode of testing the light fixture degree of protection; Let light fixture be exposed in dust and the water by phased manner, whether the sealing of Testing lamp stands the test of time, and or property constantly apply the ability that test back continues.The interlock result will help more near reliability and the weatherability of estimating light fixture truly like this.

Another characteristics of this method of testing; Compare directly and light fixture to be exposed to the open air to carry out the dynamic IP test; This method of testing has been taked the aging of the identical time interval and aging condition to all light fixtures, could take unified standard to evaluate and test to the censorship light fixture of different batches like this.

Description of drawings

Further the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment.

Fig. 1 is the LED light fixture testing process synoptic diagram of the specific embodiment of the invention.

Embodiment

Embodiment 1 is for using the reliability test system of light fixture luminous flux sustainment rate of the present invention.

1) be to light light fixture there not being the forced draft experiment, light fixture sets up by the normal mounting attitude, and temperature is controlled under 25 ℃ ± 3 ℃, 220V rated voltage burning-point light fixture.Close 2 times among per 24 H, each shut-in time should be 30 minutes.Earlier light fixture was lighted 2000 hours.

2) after 2000 hours, carried out an illumination test in per 336 hours, light up to light fixture and finished test in 5000 hours.

3) test illumination at every turn after, extinguish light fixture, and take off from the installation site, carry out the test of degree of protection IP65.Particularly, earlier, carry out waterproof test again with the light fixture test of preventing dust.The requirement of dustproof test is to detect lamp outer casing whether to have accomplished that dirt is close, and the requirement of waterproof test is to see whether can cause damage to light fixture to shell all directions water spray.Concrete method of testing is seen among the standard GB 4208-2008 test request about shell protection grade IP65.

4) after priority has been accomplished dustproof dirt density test and the test of waterproof trickle, light fixture is lighted according to going back to the origin-location.Once more through after 336 hours the time interval, according to from 1) to 3) step test next time, burn or finished in 5000 hours up to light fixture.

Through constantly repeating above-mentioned steps, finally export a dynamic IP table with test results, carried out 15 tests altogether.As shown in table 1.

Embodiment 2 is further application of the invention embodiment.This embodiment carries out the test of light fixture weatherability for using the present invention.

1) be to light light fixture there not being the forced draft experiment, light fixture sets up by the normal mounting attitude, and temperature is controlled at 85 ℃ ± 3 ℃ following high temperature ageings.220V rated voltage burning-point light fixture.

2) light from starting point, in per 24 hours, turned on light in preceding 21 hours, turned off the light in back 3 hours.Carry out an illumination test in per 72 hours, carry out 10 tests altogether.

3) test illumination at every turn after, extinguish light fixture, and take off from the installation site, carry out the test of degree of protection IP65.Particularly, earlier, carry out waterproof test again with the light fixture test of preventing dust.The requirement of dustproof test is to detect lamp outer casing whether to have accomplished that dirt is close, and the requirement of waterproof test is to see whether can cause damage to light fixture to shell all directions water spray.Concrete method of testing is seen among the standard GB 4208-2008 test request about shell protection grade IP65.

4) after priority has been accomplished dustproof dirt density test and the test of waterproof trickle, light fixture is lighted according to going back to the origin-location.Repeat 1) to 3) step, up to finishing 10 loop tests.

After 10 tests, obtain the dynamic IP test result, as shown in table 2.

The above is merely preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.

Claims (9)

1. the dynamic LED lighting waterproof test method based on degree of protection and life-span interlock test is characterized in that, may further comprise the steps:
A with light fixture continue under certain condition to light aging after, at interval light fixture is carried out the detection of photoelectric properties according to certain hour;
After the each photoelectric properties of B detect, light fixture is extinguished, carry out the test of lamp outer casing waterproof and dustproof in order;
C lights light fixture again and proceeds senile experiment by identical conditions, and repetition A, B, C test process obtain LED light fixture dynamic IP change of rank table, the IP grade of definition dynamic LED.
2. method of testing according to claim 1 is characterized in that: limit in the test duration length the continuous round-robin periodicity dynamic test process from steps A to step C certain.
3. method of testing according to claim 1 is characterized in that: before EOT, carried out twice test from steps A to step C at least.
4. method of testing according to claim 1; It is characterized in that: the described optical property of steps A and B comprises that light fixture is radiated at the performance of the light on the reception plane beyond the certain distance; Perhaps directly receive the performance of the light that light fixture sends, the performance of the light of all light of perhaps adding up light fixture and being sent at certain distance; The performance of described light includes but not limited to luminous flux, correlated colour temperature, chromaticity coordinates, light intensity, illumination.
5. method of testing according to claim 1 is characterized in that: among the step B, described dustproof test is the dirt density test; Described dirt density test is whether the inspection light fixture can get into dust.
6. method of testing according to claim 1 is characterized in that: among the step B, described waterproof test is the trickle test; Described trickle test is whether the inspection light fixture can damage under the trickle state.
7. method of testing according to claim 1 is characterized in that: the environment temperature that light fixture continues to light is 25 degrees centigrade.
8. method of testing according to claim 1 is characterized in that: the environment temperature that light fixture continues to light includes, but are not limited to high low temperature circulation impact for greater than 25 degrees centigrade and less than 100 degrees centigrade.
9. method of testing according to claim 1 is characterized in that: the experiment condition that applies in each time interval is identical.
CN201110021139.0A 2011-01-19 2011-01-19 A kind of LED illumination lamp dynamic IP method of testing CN102608546B (en)

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Publication number Priority date Publication date Assignee Title
CN102890249A (en) * 2012-10-18 2013-01-23 桂林电子科技大学 Accelerated test method of LED (light emitting diode) lighting lamp based on subsystem decomposition
CN104166104A (en) * 2013-05-17 2014-11-26 深圳市海洋王照明工程有限公司 Method for testing temperature rise of lamp internal member

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102890249A (en) * 2012-10-18 2013-01-23 桂林电子科技大学 Accelerated test method of LED (light emitting diode) lighting lamp based on subsystem decomposition
CN104166104A (en) * 2013-05-17 2014-11-26 深圳市海洋王照明工程有限公司 Method for testing temperature rise of lamp internal member

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