CN102608546B - A kind of LED illumination lamp dynamic IP method of testing - Google Patents

A kind of LED illumination lamp dynamic IP method of testing Download PDF

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Publication number
CN102608546B
CN102608546B CN201110021139.0A CN201110021139A CN102608546B CN 102608546 B CN102608546 B CN 102608546B CN 201110021139 A CN201110021139 A CN 201110021139A CN 102608546 B CN102608546 B CN 102608546B
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China
Prior art keywords
light
test
light fixture
testing
waterproof
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CN201110021139.0A
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Chinese (zh)
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CN102608546A (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
佛山市中山大学研究院
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Priority to CN201110021139.0A priority Critical patent/CN102608546B/en
Publication of CN102608546A publication Critical patent/CN102608546A/en
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Abstract

The present invention relates to a kind of dynamic testing method weighing the lasting IP ability of LED illumination product, comprise: by allow the LED lamp continuing to light stand the steam of class vraisemblance outdoor environment, dust and high/low-temperature impact aging after, between or property be exposed in water and water vapour, the change of dynamic test LED lamp in use IP grade is to verify that light fixture continues security, thus the reliability making LED lamp lasting or weatherability ability obtain more objectively reacting.

Description

A kind of LED illumination lamp dynamic IP method of testing

Technical field

The present invention relates to the detection method of LED illumination lamp, be specifically related to a kind of dynamic IP method of testing in conjunction with light fixture classification of waterproof and permanance.

Background technology

Degree of protection test is the light fixture security performance parameter preventing foreign material or water from entering shell ability, all relates in all LED road illumination lamp specialized standards.Whether this index directly shows light fixture whether safety, can use under the environment of correspondence.The shell protection level estimate method that method of testing is formulated by standard GB/T 4208-2008 is determined, mainly through by such as the foreign matter such as dust grains of sand and water enter the complexity of light fixture to determine IP grade.IP grade has two feature numerals, represents dust-proof grade and classification of waterproof respectively.For the requirement of LED road illumination lamp, all provincial standards all require that dust-proof grade will more than 6 grades, and namely shell must do the close process of dirt; Classification of waterproof then will at 5 grades to more than 7 grades not etc., namely corresponding anti-spraying, anti-strong water spray, the immersion of anti-short time respectively.

For LED lamp, because lamp life is very long, assessment light fixture aspect of performance needs to consider that light fixture is in the neutral retainable ability of Long-Time Service process.Wherein, IP grade just may in the actual use procedure of light fixture, because the loosening or encapsulant aging and changing of lamp part.The fitting structure of such as some censorships takes temporarily sealing very well but be unfavorable for the sealing means of Long-Time Service, better degree of protection result can be obtained when primary detection IP protective characteristic, but actual use in be difficult to stand severe tests, such as, but have aqueous vapor after using a period of time and enter lamp body and save bit by bit and cannot discharge.Because existing IP ranking measuring method is not lighting the test of the disposable degree of protection in situation based on to censorship light fixture, the change of the increase lamp outer casing protective capacities along with light fixture service time cannot be reflected.

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, it is the dynamic LED road illuminating lamp method of testing based on degree of protection and life-span interlock test, the technical matters solved is when experiment condition is limited, objective evaluation light fixture reliability and weatherability ability, reflect the Lai Jiuxing that fitting structure is firmly airtight simultaneously, be particularly suitable for the evaluation carrying out light fixture reliability standard and weatherability ability in the LED road lighting product lacking unified standard, fast development.

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

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

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

After each waterproof and dustproof test of C, again light light fixture and proceed senile experiment by identical conditions, after the described time interval, carry out photoelectric properties next time and detect, repeated test process obtains LED lamp dynamic IP change of rank table, the IP grade of definition dynamic LED;

This method of testing all adopts the identical time interval and aging condition to tested light fixture;

Steps A and the photoelectric properties described in B comprise the performance of the light in receiving plane that light fixture is radiated at beyond certain distance, or the performance of the light sent in the direct receiving light of certain distance, or the performance of the light of all light that statistics light fixture sends; The performance of described light comprises luminous flux, correlated colour temperature, chromaticity coordinates, light intensity, illumination;

In step B, described dust-proof test is dirt density test; Described dirt density test checks whether light fixture can enter dust;

In step B, described waterproof test is trickle test; Described trickle test checks whether light fixture can damage under trickle state;

The environment temperature that light fixture continues to light, for being more than or equal to 25 degrees Celsius and being less than 100 degrees Celsius, comprises high/low temperature circulation impact.

According to method of testing of the present invention, it is characterized in that: before test terminates, at least carried out the test of twice photoelectric properties.

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

The characteristic of method of testing of the present invention is, by interting the mode of testing light fixture degree of protection in ageing process, allow light fixture be exposed in dust and water by phased manner, whether the sealing of Testing lamp stands the test of time, and or property constantly apply test after continue ability.Such interlock result, will contribute to more close to reliability and the weatherability of evaluating light fixture truly.

Another feature of this method of testing, compare and directly light fixture is exposed to open air and carries out dynamic IP test, this method of testing takes the aging of same time interval and aging condition to all light fixtures, unified standard could be taked to evaluate and test to the censorship light fixture of different batches like this.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the present invention is described in detail further.

Fig. 1 is the LED lamp testing process schematic diagram of the specific embodiment of the invention.

Embodiment

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

1) do not having forced draft experiment to be light light fixture, light fixture is by the erection of normal mounting attitude, and temperature controls at 25 DEG C ± 3 DEG C, 220V rated voltage burning-point light fixture.Close 2 times in every 24H, each shut-in time should be 30 minutes.First light fixture is lighted 2000 hours.

2) from after 2000 hours, an illumination test within every 336 hours, is carried out, until light fixture is lighted within 5000 hours, terminate test.

3), after testing illumination at every turn, extinguish light fixture, and take off from installation site, carry out the test of degree of protection IP65.Particularly, first light fixture is carried out dust-proof test, then carry out waterproof test.The requirement of dust-proof test detects lamp outer casing whether to have accomplished that dirt is close, and the requirement of waterproof test sees whether can cause damage to light fixture to shell all directions water spray.Concrete method of testing is shown in the test request about shell protection grade IP65 in standard GB/T 4208-2008.

4), after successively completing dust-proof dirt density test and the test of waterproof trickle, light fixture is lighted according to going back to origin-location.Again after the time interval of 336 hours, according to from 1) to 3) step test, until light fixture burns or terminate for 5000 hours next time.

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

Table 1

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

1) do not having forced draft experiment to be light light fixture, light fixture is by the erection of normal mounting attitude, and temperature controls high temperature ageing at 85 DEG C ± 3 DEG C.220V rated voltage burning-point light fixture.

2) light from starting point, in every 24 hours, within first 21 hours, turn on light, within latter 3 hours, turn off the light.Within every 72 hours, carry out an illumination test, carry out altogether 10 tests.

3), after testing illumination at every turn, extinguish light fixture, and take off from installation site, carry out the test of degree of protection IP65.Particularly, first light fixture is carried out dust-proof test, then carry out waterproof test.The requirement of dust-proof test detects lamp outer casing whether to have accomplished that dirt is close, and the requirement of waterproof test sees whether can cause damage to light fixture to shell all directions water spray.Concrete method of testing is shown in the test request about shell protection grade IP65 in standard GB/T 4208-2008.

4), after successively completing dust-proof dirt density test and the test of waterproof trickle, light fixture is lighted according to going back to origin-location.Repeat 1) to 3) and step, until carried out 10 loop tests.

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

table 2

The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention scope change and modify, and all should belong to the covering scope of the claims in the present invention.

Claims (3)

1., based on the dynamic LED lighting waterproof testing method that degree of protection and life-span interlock are tested, it is characterized in that, comprise the following steps:
A light fixture is continued under certain condition light aging after, according to certain hour interval, light fixture is carried out to the detection of photoelectric properties;
After each photoelectric properties of B detect, light fixture is extinguished, carries out the test of lamp outer casing waterproof and dustproof in order;
After each waterproof and dustproof test of C, again light light fixture and proceed senile experiment by identical conditions, after the described time interval, carry out photoelectric properties next time and detect, repeated test process obtains LED lamp dynamic IP change of rank table, the IP grade of definition dynamic LED;
This method of testing all adopts the identical time interval and aging condition to tested light fixture;
Steps A and the photoelectric properties described in B comprise the performance of the light in receiving plane that light fixture is radiated at beyond certain distance, or the performance of the light sent in the direct receiving light of certain distance, or the performance of the light of all light that statistics light fixture sends; The performance of described light comprises luminous flux, correlated colour temperature, chromaticity coordinates, light intensity, illumination;
In step B, described dust-proof test is dirt density test; Described dirt density test checks whether light fixture can enter dust;
In step B, described waterproof test is trickle test; Described trickle test checks whether light fixture can damage under trickle state;
The environment temperature that light fixture continues to light, for being more than or equal to 25 degrees Celsius and being less than 100 degrees Celsius, comprises high/low temperature circulation impact.
2. method of testing according to claim 1, is characterized in that: before test terminates, and has at least carried out the test of twice photoelectric properties.
3. method of testing according to claim 1, is characterized in that: the experiment condition applied 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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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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KR20040001116A (en) * 2002-06-27 2004-01-07 대우전자주식회사 Test device of lamp accelerated life time
KR100680397B1 (en) * 2005-05-12 2007-02-08 현대자동차주식회사 Accelerated weathering test method and equipment for automotive parts

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