CN208505573U - A kind of LED magnitude tracing light parameter and standard aging monitoring device - Google Patents
A kind of LED magnitude tracing light parameter and standard aging monitoring device Download PDFInfo
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- CN208505573U CN208505573U CN201820860894.5U CN201820860894U CN208505573U CN 208505573 U CN208505573 U CN 208505573U CN 201820860894 U CN201820860894 U CN 201820860894U CN 208505573 U CN208505573 U CN 208505573U
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Abstract
The utility model relates to LED technology field more particularly to a kind of LED magnitude tracing light parameter and standard aging monitoring device, device includes lane testing unit, power supply and the data processor of multiple groups；The power supply is respectively the lane testing unit power supply of multiple groups, and the lane testing unit of multiple groups is connect with data processor respectively；Every group of lane testing unit includes the detector of a LED light source to be tested and the optical signal for acquiring the LED light source to be tested；The mutually isolated setting of the lane testing unit of multiple groups and mutually interference-free between LED light source to be tested two-by-two；The data processor includes optical signal conversion unit, comparing unit and storage unit；The storage unit is stored with the LED magnitude tracing light parameter and standard ageing parameter table of comparisons；The optical signal conversion unit is connect with detector；The optical signal conversion unit and storage unit are connect with comparing unit respectively.
Description
Technical field
The utility model relates to LED technology fields more particularly to a kind of light parameter and standard aging of LED magnitude tracing to monitor
Device.
Background technique
LED is widely used in advertising media, stage background, building decoration, traffic information, stadiums etc..With the city LED
Field demand is increasing, emerges more and more manufacturers.Although LED is fast-developing in recent years, since it is as one
The excessive pursuit of kind emerging industry and each manufacturer to interests, so that there is no a unified industry marks for LED industry
It is quasi-.Especially for the problem of aging of LED, the monitoring mode of each manufacturer is all different, typically by simple
Series-parallel system, the method by directly lighting LED light source or lamps and lanterns only guarantee persistently lighting for LED light source, to verify it
Parameters, the detection accuracy such as length, fail-safe analysis, the luminous efficiency of source/light decay failure ratio in service life are lower.
Based on this, need a kind of testing efficiency high and LED magnitude tracing light parameter and standard aging monitoring dress with high accuracy
It sets and method.If can solve the above problem to have great importance to the properties of product of LED.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of testing efficiency height and LED magnitude with high accuracy traces back
Source light parameter and standard aging monitoring device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:
A kind of LED magnitude tracing light parameter and standard aging monitoring device, lane testing unit, power supply electricity including multiple groups
Source and data processor；The power supply is respectively the lane testing unit power supply of multiple groups, the lane testing list of multiple groups
Member is connect with data processor respectively；
Every group of lane testing unit includes a LED light source to be tested and the light for acquiring the LED light source to be tested
The detector of signal；The lane testing unit of multiple groups is mutually isolated to be arranged and two-by-two between LED light source to be tested mutually not by dry
It disturbs；
The data processor includes optical signal conversion unit, comparing unit and storage unit；The storage unit storage
There is the LED magnitude tracing light parameter and standard ageing parameter table of comparisons；The optical signal conversion unit is connect with detector；The light
Signal conversion unit and storage unit are connect with comparing unit respectively.
The utility model has the beneficial effects that:
A kind of LED magnitude tracing light parameter and standard aging monitoring device provided by the utility model, by the way that multiple groups are arranged
Mutually isolated lane testing unit, it is mutually interference-free between LED light source to be tested two-by-two, and every group of lane testing list
Detector in member acquires the optical signal of corresponding LED light source to be tested, and optical signal is converted after optical signal conversion unit
For corresponding spectroscopic data, and carried out with LED magnitude tracing with light parameter and standard ageing parameter table of comparisons Plays ageing parameter
Compare, obtain comparison result and using comparison result as the ageing parameter of LED light source to be tested, multiple groups lane testing unit can be same
When test, improve testing efficiency, analyze and determine that its corresponding aging is joined according to the actual optical signal of LED light source to be tested
Number, and it is mutually interference-free between LED light source to be tested two-by-two, to ensure measuring accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the LED magnitude tracing light parameter and standard aging monitoring device of the utility model；
Fig. 2 is the concrete structure schematic diagram of the LED magnitude tracing light parameter and standard aging monitoring device of the utility model；
Label declaration:
1, lane testing unit；11, LED light source to be tested；12, detector；
2, power supply；
3, data processor；31, optical signal conversion unit；32, comparing unit；33, storage unit.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: the detector acquisition in every group of lane testing unit is corresponding to be measured
The optical signal of examination LED light source is converted to corresponding spectroscopic data, and is compareed with LED magnitude tracing with light parameter and standard ageing parameter
Table Plays ageing parameter is compared, ageing parameter of the comparison result as LED light source to be tested.
Please refer to Fig. 1-2, a kind of LED magnitude tracing light parameter and standard aging monitoring device provided by the utility model,
Lane testing unit, power supply and data processor including multiple groups；The power supply is respectively the lane testing of multiple groups
Unit power supply, the lane testing unit of multiple groups are connect with data processor respectively；
Every group of lane testing unit includes a LED light source to be tested and the light for acquiring the LED light source to be tested
The detector of signal；The lane testing unit of multiple groups is mutually isolated to be arranged and two-by-two between LED light source to be tested mutually not by dry
It disturbs；
The data processor includes optical signal conversion unit, comparing unit and storage unit；The storage unit storage
There is the LED magnitude tracing light parameter and standard ageing parameter table of comparisons；The optical signal conversion unit is connect with detector；The light
Signal conversion unit and storage unit are connect with comparing unit respectively.
As can be seen from the above description, the utility model has the beneficial effects that:
LED magnitude tracing provided by the utility model light parameter and standard aging monitoring device, it is mutual by setting multiple groups
The lane testing unit of isolation, it is mutually interference-free between LED light source to be tested two-by-two, and in every group of lane testing unit
Detector acquire the optical signal of corresponding LED light source to be tested, optical signal is converted to after optical signal conversion unit pair
The spectroscopic data answered, and be compared with LED magnitude tracing with light parameter and standard ageing parameter table of comparisons Plays ageing parameter,
Obtain comparison result and using comparison result as the ageing parameter of LED light source to be tested, multiple groups lane testing unit can be surveyed simultaneously
Examination improves testing efficiency, is carried out analyzing and determining its corresponding ageing parameter according to the actual optical signal of LED light source to be tested, and
And it is mutually interference-free between LED light source to be tested two-by-two, to ensure measuring accuracy.
Further, the data processor further includes smoothing processing unit, sampling unit and calibration unit；The light letter
Number converting unit is connect with smoothing processing unit, and the sampling unit is connect with detector, the smoothing processing unit and sampling
Unit is connect with calibration unit respectively, and the calibration unit is connect with comparing unit.
Seen from the above description, the spectroscopic data after conversion is smoothed, optimizes data, and at the same time sampling is visited
The dark current data for surveying device carries out calibration process to the spectroscopic data after smoothing processing according to the dark current data, played
Effect is filtered, so that finally obtained spectroscopic data is more accurate, to promote measuring accuracy.
Further, the data processor further includes average value processing unit, the average value processing unit respectively with calibration
Unit is connected with comparing unit.
Seen from the above description, the spectroscopic data after the calibration process of multiple groups is carried out by mean value meter by average value processing unit
Calculation processing, obtains a final spectroscopic data, to promote subsequent measuring accuracy.
Further, the power supply uses the power supply of constant current output.
Seen from the above description, measuring accuracy can further be promoted using the power supply of constant current output, is not powered
Electric current influences.
Further, the spectral region of the LED light source to be tested is visual optical band 380nm-780nm, the detection
Device uses Si detector.
Seen from the above description, it is that its measurement accuracy is not susceptible to environment temperature, humidity using the reason of Si detector
It influences, and cost is relatively low.And existing PMT detector is easy to be influenced by the temperature and humidity of environment, generates non-linear drift
It moves, for burn-in test, temperature fluctuation is larger, moreover ccd detector is generally used for two-dimensional imaging formula and high-end beam splitting type system
It unites relatively more, and its is with high costs.
Further, the relative position of the LED light source and detector to be tested in the lane testing unit of each group keeps one
It causes.
Seen from the above description, to ensure that the detector acquisition condition of the lane testing unit of each group is identical, not by its position
Setting different factors influences.
Further, the LED light source to be tested in every group of lane testing unit is all from a batch of product.
Seen from the above description, to ensure that the primary condition of the LED light source to be tested of the lane testing unit of each group is identical,
It is not influenced by the different factors of itself.
Please refer to Fig. 1-2, the embodiments of the present invention one are as follows:
A kind of LED magnitude tracing light parameter and standard aging monitoring device provided by the utility model is logical including multiple groups
Road test cell 1, power supply 2 and data processor 3；The power supply 2 is respectively that the lane testing unit 1 of multiple groups supplies
The lane testing unit 1 of electricity, multiple groups is connect with data processor 3 respectively；The power supply 2 uses the confession of constant current output
Power supply can further promote measuring accuracy using the power supply of constant current output, not influenced by supply current.
Every group of lane testing unit 1 is including a LED light source 11 to be tested and for acquiring the LED light source to be tested
The detector 12 of optical signal；The lane testing unit of multiple groups it is mutually isolated setting and two-by-two between LED light source 11 to be tested mutually
Without interruption；The spectral region of the LED light source to be tested 11 is visual optical band 380nm-780nm, and the detector uses
Si detector.LED light source to be tested 11 and the relative position of detector 12 in the lane testing unit of each group are consistent.Often
LED light source to be tested 11 in the lane testing unit of group is all from a batch of product.
The data processor 3 includes optical signal conversion unit 31, comparing unit 32 and storage unit 33；The storage is single
Member 33 is stored with the LED magnitude tracing light parameter and standard ageing parameter table of comparisons；The optical signal conversion unit 31 and detector
12 connections；The optical signal conversion unit 31 and storage unit 33 are connect with comparing unit 32 respectively.The data processor is also
Including smoothing processing unit, sampling unit and calibration unit；The optical signal conversion unit is connect with smoothing processing unit, described
Sampling unit is connect with detector, and the smoothing processing unit and sampling unit are connect with calibration unit respectively, and the calibration is single
Member is connect with comparing unit.Spectroscopic data after conversion is smoothed, data are optimized, and at the same time sampled detector
Dark current data carries out calibration process to the spectroscopic data after smoothing processing according to the dark current data, plays filter effect,
So that finally obtained spectroscopic data is more accurate, to promote measuring accuracy.The data processor further includes average value processing
Unit, the average value processing unit are connect with calibration unit and comparing unit respectively.By average value processing unit by the school of multiple groups
Quasi- treated that spectroscopic data carries out mean value computation processing, a final spectroscopic data is obtained, so that it is smart to promote subsequent test
Degree.
Wherein the optical signal conversion unit accesses probe by light intensity and soft exchange component (optical fiber) is matched and detected
Device connection, light intensity access probe are that (the semi-transparent material glass of white, diffusing reflection is good, and light transmission uniformity is good, visible light for newborn glass
Without obvious light transmission selectivity in range), country's technical maturity, can be used star under domestic manufacturer such as Hefei An Guang research institute at present
Moon company's buying.Soft exchange component (optical fiber) directly purchases country's SMA9.5 standard interface optical fiber.
In conclusion a kind of LED magnitude tracing light parameter and standard aging monitoring device provided by the utility model, passes through
The mutually isolated lane testing unit of multiple groups is set, it is mutually interference-free between LED light source to be tested two-by-two, and every group logical
Detector in road test cell acquires the optical signal of corresponding LED light source to be tested, and optical signal is single by optical signal conversion
Be converted to corresponding spectroscopic data after member, and with the light parameter and standard ageing parameter table of comparisons Plays aging of LED magnitude tracing
Parameter is compared, and obtains comparison result and using comparison result as the ageing parameter of LED light source to be tested, multiple groups lane testing
Unit can be tested simultaneously, improve testing efficiency, carried out analyzing and determining that its is corresponding according to the actual optical signal of LED light source to be tested
Ageing parameter, and it is mutually interference-free between LED light source to be tested two-by-two, to ensure measuring accuracy.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of LED magnitude tracing light parameter and standard aging monitoring device, which is characterized in that the lane testing list including multiple groups
Member, power supply and data processor；The power supply is respectively the lane testing unit power supply of multiple groups, and the described of multiple groups is led to
Road test cell is connect with data processor respectively；
Every group of lane testing unit includes a LED light source to be tested and the optical signal for acquiring the LED light source to be tested
Detector；The mutually isolated setting of the lane testing unit of multiple groups and mutually interference-free between LED light source to be tested two-by-two；
The data processor includes optical signal conversion unit, comparing unit and storage unit；The storage unit is stored with LED
The magnitude tracing light parameter and standard ageing parameter table of comparisons；The optical signal conversion unit is connect with detector；The optical signal
Converting unit and storage unit are connect with comparing unit respectively.
2. LED magnitude tracing according to claim 1 light parameter and standard aging monitoring device, which is characterized in that described
Data processor further includes smoothing processing unit, sampling unit and calibration unit；The optical signal conversion unit and smoothing processing
Unit connection, the sampling unit are connect with detector, and the smoothing processing unit and sampling unit connect with calibration unit respectively
It connects, the calibration unit is connect with comparing unit.
3. LED magnitude tracing according to claim 2 light parameter and standard aging monitoring device, which is characterized in that described
Data processor further includes average value processing unit, and the average value processing unit is connect with calibration unit and comparing unit respectively.
4. LED magnitude tracing according to claim 1 light parameter and standard aging monitoring device, which is characterized in that described
Power supply uses the power supply of constant current output.
5. LED magnitude tracing according to claim 1 light parameter and standard aging monitoring device, which is characterized in that described
The spectral region of LED light source to be tested is visual optical band 380nm-780nm, and the detector uses Si detector.
6. LED magnitude tracing according to claim 1 light parameter and standard aging monitoring device, which is characterized in that each group
Lane testing unit in the relative position of LED light source and detector to be tested be consistent.
7. LED magnitude tracing according to claim 1 light parameter and standard aging monitoring device, which is characterized in that every group
Lane testing unit in LED light source to be tested be all from a batch of product.
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| CN201820860894.5U CN208505573U (en) | 2018-06-05 | 2018-06-05 | A kind of LED magnitude tracing light parameter and standard aging monitoring device |
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| CN201820860894.5U CN208505573U (en) | 2018-06-05 | 2018-06-05 | A kind of LED magnitude tracing light parameter and standard aging monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760238A (en) * | 2018-06-05 | 2018-11-06 | 厦门市计量检定测试院 | A kind of LED magnitude tracings light parameter and standard aging monitoring device and method |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760238A (en) * | 2018-06-05 | 2018-11-06 | 厦门市计量检定测试院 | A kind of LED magnitude tracings light parameter and standard aging monitoring device and method |
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