CN106908221B - A kind of setting method of multi fiber illumination group light combination optical parameter - Google Patents
A kind of setting method of multi fiber illumination group light combination optical parameter Download PDFInfo
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- CN106908221B CN106908221B CN201710079247.0A CN201710079247A CN106908221B CN 106908221 B CN106908221 B CN 106908221B CN 201710079247 A CN201710079247 A CN 201710079247A CN 106908221 B CN106908221 B CN 106908221B
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Abstract
The present invention provides a kind of setting methods of multi fiber illumination group light combination optical parameter, basic database of this method based on the optical fiber and light source established early period, it does not need to carry out whole tests to various light sources and optical fiber, beneficial effects of the present invention are that the setting method provided through the invention can be quickly found out reasonable combination, a small amount of validation tests need to only be carried out, the data for meeting R&D and production demand can be found, a large amount of time is saved and survey probation materials, production cost greatly reduces.
Description
Technical field
The present invention relates to optical fibre illumination fields, and in particular to a kind of setting side of multi fiber illumination group light combination optical parameter
Method.
Background technique
With the development of optical-fibre communications, optical fibre illumination technology has evolved into a kind of Novel illuminating system, is widely used in
Merchandise display, traffic signals, public place of entertainment, building decoration illumination etc., since light source is far from illumination region, therefore are particularly suitable for spy
Different occasion, such as wet environment, underwater, inflammable and explosive dangerous situation, or even have museum's text of particular/special requirement to the characteristic of light
The occasion etc. of object illumination.In optical fibre illumination, it is often necessary to be combined various light sources and a variety of optical fiber specific to realize
Lighting requirement, such as colour temperature, chromaticity coordinates, colour rendering, illumination cannot due to the transmitance and the correlation of wavelength of optical fiber
The prediction that the parameters such as colour temperature, chromaticity coordinates, colour rendering, illumination are directly made by easy method, for this purpose, in actual production
Generally requiring to do largely test just can determine that required optical fiber group number, fiber lengths, light source model, light source power etc., to
The data met the requirements to one group, need to carry out multiple groups fiber lengths test, such as 20,21 ... 25m, and one group of test of every completion
One day to two day time is generally required, this method not only takes time and effort, it is also necessary to carry out a large amount of duplicate validation test ability
Find the combination for meeting R&D and production demand.
Summary of the invention
The invention reside in a kind of setting method of multi fiber illumination group light combination optical parameter is provided, this method is built based on early period
The basic database of vertical optical fiber and light source does not need to carry out whole tests to various light sources and optical fiber, finds conjunction by calculating
The combination of reason only need to carry out a small amount of validation tests, and the luminous source optical fiber combination for meeting R&D and production demand can be obtained.
A kind of setting method of multi fiber illumination group light combination optical parameter, which is characterized in that the realization of this method include with
Lower step:
S1: test produces common fiber data, obtains the curve of spectrum of Multiple Type optical fiber；
S2: fiber attenuation coefficient is calculated, fiber attenuation coefficient basic database is established；Fiber attenuation coefficient K table
Show and calculate as follows:
P1=P0 × exp (- K/i) (1)
In formula, P1 is by the radiation flux after optical fiber, and unit is watt；P0 is by the radiation flux before optical fiber, list
Position is watt；K is fiber attenuation coefficient；I is fiber lengths, and unit is rice；
S3: testing the curve of spectrum of various light sources under a variety of electric currents using spectrometer, and the electric current-radiation for being fitted light source is strong
Degree, establishes light source basic database；
S4: different optical fiber and different light sources are combined to obtain luminous source optical fiber combination parameter, ask total radiant flux, then root
According to total radiant flux calculating optical parameter, wherein
Light source by radiation flux=radiation of light source flux × optical fiber transmitance T of optical fiber,
The optical fiber transmitance T is calculated by decay coefficient K；
Whether S5: the judgment step S4 every optical parameter acquired is all satisfied product design requirement, is then, to execute step
Otherwise S6 is returned to step S4 and is combined using another group of difference optical fiber and different light sources, re-start calculating, directly
Product design requirement is all satisfied to every optical parameter；
S6: every optical parameter is selected to be all satisfied the optical fiber and light source group of the luminous source optical fiber combination parameter of product design requirement
It closes and carries out product actual verification, and be formed after verifying is qualified.
Further, the calculating fiber attenuation coefficient, establishes fiber attenuation coefficient basic database, comprising:
Test the radiation intensity P of the length i of different optical fiberi,λ, wherein i and λ is variable and the length for respectively indicating optical fiber
And wavelength, then the decay coefficient K of different wave length optical fiberi,λCalculation formula are as follows:
Ki,λ=-ln ((Pi,λ)/(Pi+1,λ))/i (2)
Take the decay coefficient K of the equal length different wave length optical fiberi,λThe average value of n times obtain fiber attenuation coefficient
Kλ；That is:
The attenuation coefficient of optical fiber obtains the basic database K (i, λ) of fiber attenuation coefficient under follow-on test different length i；
It is described to establish light source basic database, including,
I, electric current-radiation intensity fitting coefficient of light source is calculated
Test radiation intensity P of the same light source at different electric current Iλ,I, pass through fitting of a polynomial, fitting coefficient formula are as follows:
Pλ,I=a0+a1×I+a2×I2+a3×I3+…+an×In (4)
Obtain coefficient a0, a1, a2, a3... an；
The order of a polynomial is 3 ranks or 4 ranks, calculates R square value in practical programs to determine order, passes through digital simulation
The R square value of parameter and initial parameter is the bigger the better afterwards, is fitted best when the R square value is close to 1, and the R is convergence radius；
Test the radiation intensity P under different light sourcesλ,j, wherein j is variable, indicates different light sources；It is quasi- by multinomial
It closes, fitting coefficient formula are as follows:
Pλ,j=a0,j+a1,j×I+a2,j×I2+a3,j×I3+…+an,j×In (5)
Obtain coefficient a0,j, a1,j, a2,j, a3,j... an,j；
II, different light sources, different optical fiber combination spectrum calculating
Firstly, calculating the combination spectrum of single group luminous source optical fiber, light source j is selected, is calculate by the following formula light source j in electric current IxUnder
Radiation of light source flux
Then light source j passes through length i=LyOptical fiber, optical fiber transmitance at this time:
Light source j can be obtained in electric current I by the radiation of light source flux and optical fiber transmitancexPass through length i=L downyOptical fiber
Radiation flux:
Linear superposition is carried out to the radiation flux of the combination spectrum of m group luminous source optical fiber, then total radiant flux are as follows:
Establish as a result, different optical fiber, different light source, different current strength and total radiant flux light source basic database.
Further, described that different optical fiber and different light sources are combined to obtain luminous source optical fiber combination parameter, seek total spoke
Flux is penetrated, further according to total radiant flux calculating optical parameter, including,
It is calculated according in the light source basic database of different optical fiber, different light sources, different current strength and total radiant flux
The total radiant flux P outλ, the calculating of optical parameter is carried out by GB/T 5702-2003.
Further, the optical parameter includes colour temperature, chromaticity coordinates, color tolerance, colour rendering index and dominant wavelength.
Further, the luminous source optical fiber combination parameter be optical fiber model, fiber lengths, number of fibers and light source model,
The combination of source current.
A kind of setting method of multi fiber illumination group light combination optical parameter provided by the invention has the beneficial effect that this method
The basic database of the optical fiber and light source established based on early period, it is no longer necessary to whole tests be carried out to various light sources and optical fiber, led to
Reasonable combination can be quickly found out by crossing setting method provided by the invention, only need to carry out a small amount of validation tests, can be found full
The data of sufficient R&D and production demand save a large amount of time and survey probation materials, and production cost greatly reduces.
Detailed description of the invention
Fig. 1 is the flow chart of the setting method of multi fiber illumination group light combination optical parameter provided by the invention.
The present invention will be further described with attached drawing With reference to embodiment.
Specific embodiment
Referring to Fig. 1, the flow chart of the setting method for multi fiber illumination group light combination optical parameter provided by the invention, it should
The realization of method the following steps are included:
S1: test produces common fiber data, obtains the curve of spectrum of Multiple Type optical fiber；
S2: fiber attenuation coefficient is calculated, fiber attenuation coefficient basic database is established；Fiber attenuation coefficient K table
Show and calculate as follows:
P1=P0 × exp (- K/L) (1)
In formula, P1 is by the radiation flux after optical fiber, and unit is watt；P0 is by the radiation flux before optical fiber, list
Position is watt；K is fiber attenuation coefficient；I is fiber lengths, and unit is rice；
S3: testing the curve of spectrum of various light sources under a variety of electric currents using spectrometer, and the electric current-radiation for being fitted light source is strong
Degree, establishes light source basic database；
S4: being combined to obtain luminous source optical fiber combination parameter to different optical fiber and different light sources, specifically, luminous source optical fiber group
It closes parameter and is the combination of optical fiber model, fiber lengths, number of fibers and light source model, source current, and then it is logical to acquire global radiation
Amount, calculates other optical parameters further according to total radiant flux, including, chromaticity coordinates, correlated colour temperature, dominant wavelength and colour rendering index；Its
In,
Light source by radiation flux=radiation of light source flux × optical fiber transmitance T of optical fiber,
The optical fiber transmitance T is calculated by decay coefficient K；
Whether S5: the judgment step S4 every optical parameter acquired is all satisfied product design requirement, is then, to execute step
Otherwise S6 is returned to step S4 and is combined using another group of difference optical fiber and different light sources, re-start calculating, directly
Product design requirement is all satisfied to every optical parameter；
S6: every optical parameter is selected to be all satisfied the optical fiber and light source group of the luminous source optical fiber combination parameter of product design requirement
It closes and carries out product actual verification, and be formed after verifying is qualified.
Specifically, in the present embodiment, the calculating fiber attenuation coefficient, establishes fiber attenuation coefficient basic database,
Include:
Test the length L of different optical fiberiRadiation intensity Pi,λ, wherein i and λ is variable and the length for respectively indicating optical fiber
Degree and wavelength, the then decay coefficient K of different wave length optical fiberi,λCalculation formula are as follows:
Ki,λ=-ln ((Pi,λ)/(Pi+1,λ))/i (2)
Take the decay coefficient K of the equal length different wave length optical fiberi,λThe average value of n times obtain fiber attenuation coefficient
Kλ；That is:
The attenuation coefficient of optical fiber obtains the basic database K (i, λ) of fiber attenuation coefficient under follow-on test different length i；
It is described to establish light source basic database, including,
I, electric current-radiation intensity fitting coefficient of light source is calculated
Test radiation intensity P of the same light source at different electric current Iλ,I, pass through fitting of a polynomial, fitting coefficient formula are as follows:
Pλ,I=a0+a1×I+a2×I2+a3×I3+…+an×In (4)
Obtain coefficient a0, a1, a2, a3... an；
The order of a polynomial is 3 ranks or 4 ranks, calculates R square value in practical programs to determine order, passes through digital simulation
The R square value of parameter and initial parameter is the bigger the better afterwards, is fitted best when the R square value is close to 1, and R is convergence radius；
Test the radiation intensity P under different light sourcesλ,j, wherein j is variable, indicates different light sources；It is quasi- by multinomial
It closes, fitting coefficient formula are as follows:
Pλ,j=a0,j+a1,j×I+a2,j×I2+a3,j×I3+…+an,j×In (5)
Obtain coefficient a0,j, a1,j, a2,j, a3,j... an,j；
II, different light sources, different optical fiber combination spectrum calculating
Firstly, calculating the combination spectrum of single group luminous source optical fiber, light source j is selected, is calculate by the following formula light source j in electric current IxUnder
Radiation of light source flux
Then light source j passes through length i=LyOptical fiber, optical fiber transmitance at this time:
Light source j can be obtained in electric current I by the radiation of light source flux and optical fiber transmitancexPass through length i=L downyOptical fiber
Radiation flux:
Linear superposition is carried out to the radiation flux of the combination spectrum of m group luminous source optical fiber, then total radiant flux are as follows:
Establish as a result, different optical fiber, different light source, different current strength and total radiant flux light source basic database.
Different optical fiber and different light sources are combined to obtain luminous source optical fiber combination parameter, acquire total radiant flux, then root
According to total radiant flux calculating optical parameter, including,
It is calculated according in the light source basic database of different optical fiber, different light sources, different current strength and total radiant flux
The total radiant flux P outλ, refer to by GB/T 5702-2003 progress optical parameter, that is, colour temperature, chromaticity coordinates, color tolerance, colour developing
Several and dominant wavelength calculating.
Obviously, a kind of setting method of multi fiber illumination group light combination optical parameter provided by the invention is established based on early period
The basic database of optical fiber and light source, it is no longer necessary to whole tests be carried out to various light sources and optical fiber, provided through the invention
Setting method can be quickly found out reasonable combination, only need to carry out a small amount of validation tests, can find and meet R&D and production demand
Data, save a large amount of time and survey probation materials, production cost greatly reduces.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all include
Within protection scope of the present invention.
Claims (4)
1. a kind of setting method of multi fiber illumination group light combination optical parameter, which is characterized in that the realization of this method includes following
Step:
S1: test produces common fiber data, obtains the curve of spectrum of Multiple Type optical fiber；
S2: fiber attenuation coefficient is calculated, fiber attenuation coefficient basic database is established；The fiber attenuation coefficient indicated with K and
It calculates as follows:
P1=P0 × exp (- K/i) (1)
In formula, P1 is by the radiation flux after optical fiber, and unit is watt；P0 is by the radiation flux before optical fiber, and unit is
Watt；K is fiber attenuation coefficient；I is fiber lengths, and unit is rice；
S3: testing the curve of spectrum of various light sources under a variety of electric currents using spectrometer, is fitted electric current-radiation flux of light source, builds
Vertical light source basic database；
S4: different optical fiber and different light sources are combined to obtain luminous source optical fiber combination parameter, total radiant flux are sought, further according to total
Radiation flux calculates optical parameter, wherein
Light source by radiation flux=radiation of light source flux × optical fiber transmitance T of optical fiber,
The optical fiber transmitance T is calculated by decay coefficient K；
Whether S5: the judgment step S4 every optical parameter acquired is all satisfied product design requirement, is then, to execute step S6, no
Then, it returns to step S4 and is combined using another group of difference optical fiber and different light sources, re-start calculating, until every
Optical parameter is all satisfied product design requirement；
S6: select every optical parameter be all satisfied the luminous source optical fiber combination parameter of product design requirement optical fiber and combination of light sources into
Row product actual verification, and be formed after verifying is qualified；
The calculating fiber attenuation coefficient, establishes fiber attenuation coefficient basic database, comprising:
Test the radiation flux P of the length i of different optical fiberi,λ, wherein i and λ is variable and the length and wave for respectively indicating optical fiber
It grows, then the decay coefficient K of different wave length optical fiberi,λCalculation formula are as follows:
Ki,λ=-ln ((Pi,λ)/(Pi+1,λ))*i (2)
Take the decay coefficient K of equal length different wave length optical fiberi,λThe average value of n times obtain fiber attenuation coefficient Kλ；That is:
The attenuation coefficient of optical fiber obtains the basic database K (i, λ) of fiber attenuation coefficient under follow-on test different length i.
2. the setting method of multi fiber illumination group light combination optical parameter as described in claim 1, which is characterized in that described to not
It is combined to obtain luminous source optical fiber combination parameter with optical fiber and different light sources, seeks total radiant flux, further according to total radiant flux meter
Optical parameter is calculated, including,
According to calculated in the light source basic database of different optical fiber, different light sources, different current strength and total radiant flux
The total radiant flux Pλ, the calculating of optical parameter is carried out by GB/T 5702-2003.
3. the setting method of multi fiber illumination group light combination optical parameter as described in claim 1, which is characterized in that the optics
Parameter includes colour temperature, chromaticity coordinates, color tolerance, colour rendering index and dominant wavelength.
4. the setting method of multi fiber illumination group light combination optical parameter as described in claim 1, which is characterized in that the light source
Optical fiber combination parameter is the combination of optical fiber model, fiber lengths, number of fibers and light source model, source current.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079247.0A CN106908221B (en) | 2017-02-14 | 2017-02-14 | A kind of setting method of multi fiber illumination group light combination optical parameter |
| PCT/CN2017/075290 WO2018148987A1 (en) | 2017-02-14 | 2017-03-01 | Optical parameter configuration method for multiple optical fiber lighting combinations |
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| CN201710079247.0A CN106908221B (en) | 2017-02-14 | 2017-02-14 | A kind of setting method of multi fiber illumination group light combination optical parameter |
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| CN110415135B (en) * | 2018-04-28 | 2023-03-31 | 鸿富锦精密工业(武汉)有限公司 | Material testing configuration method and material testing configuration system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001066221A (en) * | 1999-08-30 | 2001-03-16 | Ando Electric Co Ltd | Optical pulse tester |
| CN101701850A (en) * | 2009-09-30 | 2010-05-05 | 华中科技大学 | Method for detecting temperature and blackness of flame |
| CN105180018A (en) * | 2015-10-21 | 2015-12-23 | 广州市光机电技术研究院 | LED agricultural lighting system and method based on combined spectrum |
| CN105974513A (en) * | 2009-11-20 | 2016-09-28 | 康宁股份有限公司 | Illumination system with side-emitting optical photonic fibre and manufacturing method thereof |
| CN107063645A (en) * | 2016-12-20 | 2017-08-18 | 蒋必恺 | A kind of computational methods of the lighting combined optical parameter of multi fiber |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761874B (en) * | 2009-08-14 | 2012-06-27 | 海洋王照明科技股份有限公司 | Optical fiber illumination method and system |
| KR101119884B1 (en) * | 2011-11-11 | 2012-03-05 | 박형준 | Optical fiber light inspecting apparatus used rgb led |
| CN104374545A (en) * | 2013-08-13 | 2015-02-25 | 中国计量学院 | Optical fiber imaging rapid optical parameter tester |
| CN103471817B (en) * | 2013-09-27 | 2015-12-02 | 重庆大学 | A kind of Duo Chang space photometric distribution rapid measurement device and method |
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- 2017-02-14 CN CN201710079247.0A patent/CN106908221B/en not_active Expired - Fee Related
- 2017-03-01 WO PCT/CN2017/075290 patent/WO2018148987A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001066221A (en) * | 1999-08-30 | 2001-03-16 | Ando Electric Co Ltd | Optical pulse tester |
| CN101701850A (en) * | 2009-09-30 | 2010-05-05 | 华中科技大学 | Method for detecting temperature and blackness of flame |
| CN105974513A (en) * | 2009-11-20 | 2016-09-28 | 康宁股份有限公司 | Illumination system with side-emitting optical photonic fibre and manufacturing method thereof |
| CN105180018A (en) * | 2015-10-21 | 2015-12-23 | 广州市光机电技术研究院 | LED agricultural lighting system and method based on combined spectrum |
| CN107063645A (en) * | 2016-12-20 | 2017-08-18 | 蒋必恺 | A kind of computational methods of the lighting combined optical parameter of multi fiber |
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