CN103411677B - A kind of standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument - Google Patents
A kind of standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument Download PDFInfo
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- CN103411677B CN103411677B CN201310061848.0A CN201310061848A CN103411677B CN 103411677 B CN103411677 B CN 103411677B CN 201310061848 A CN201310061848 A CN 201310061848A CN 103411677 B CN103411677 B CN 103411677B
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Abstract
Comprise a standard sources colorimetric lamp box for LED white light source and chromatism measurement instrument, comprise casing (1), light source group (2), light-source box (3), colorimetric platform (4), chromatism measurement instrument (5) and light source selector switch (6) six part.It is characterized in that: except comprising D65 light source in light source group (2) configuration in lamp box, CWF light source, A light source, TL84 light source, F light source and wavelength are outside the UV light source of 365nm, also including but not limited to colour temperature be the warm white LEDs light source of 3000K-3500K, the cold white LEDs light source of colour temperature to be the positive white LEDs light source of 5000K-5500K and colour temperature be 6500K-7000K, its effect is except detecting except kinds of goods color under existing light source, can also carry out aberration contrast under LED light source irradiates.Meanwhile, box house configuration chromatism measurement instrument, objectively can carry out the color comparison of sample and standard specimen.
Description
Technical field
The invention belongs to color matching measurement field, specifically a kind of standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument.
Background technology
Standard sources colorimetric lamp box can simulate the light of multiple lighting environment, is usually used in the evaluation that the relevant industries such as textile, printing and dyeing, printing, plastic cement, pigment, paint, ink, photography detect misalignment and colourity variable color rank.Because Different Light has different emittance, when being irradiated on article, different colors can be manifested.In the industrial production, although product examine person carefully contrasted the color of kinds of goods, but because environment light source is nonstandard or the light source that uses with travelling trader is inconsistent, that sees under different light rays varies in color, kinds of goods aberration is difficult to complain because aberration exceeds critical field when judgement causes travelling trader to examine goods thus, even return goods, thus had a strong impact on company image.Effectively solve the problem, most effective method is exactly when examining and determine the color of kinds of goods, carries out the comparison of multiple different light sources irradiation, to solve metamerism problem under identical light source and controllable condition.
Developing rapidly of a new generation's LED light source, has relied on the advantages such as its specular removal, high color rendering index (CRI), little color tolerance to be widely used in various illumination.And the light source such as D65 light source, TL84, CWF, UV, F, A is only provided in the existing standard light source VERIVIDE COLOR ASSESMENT CABINET of market, so far do not occur that LED white light source is as standard detection light source, this will affect the reliability of colorimetric, the colorimetric reliability especially under LED white-light illuminating.In addition, when colorimetric detection is carried out in lamp box inside, the normal method of range estimation that adopts is carried out, and visual observation easily varies with each individual.
Summary of the invention
The present invention, just for above problems of the prior art, provides a kind of standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument.Its objective is except can under existing light source irradiation environment test item color aberration except, can also under the irradiation of LED light source the color aberration of test item; Also can carry out accurate acetes chinensis under various light source simultaneously, to solve metamerism problem further, increase the reliability of colorimetric.
In order to achieve the above object, this invention takes following technical scheme:
A kind of standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument, for reducing the deviation and the increase colorimetric reliability that detect color further, comprise casing (1), light source group (2), light-source box (3), colorimetric platform (4), colour difference meter (5) and light source selector switch (6) six part.It is characterized in that: except comprising D65 light source in the light source configuration in standard sources colorimetric lamp box, CWF light source, A light source, TL84 light source, F light source and wavelength are beyond the UV light source of 365nm, also comprise, be not limited to warm white LEDs light source that colour temperature is 3000-3500K, cold white LEDs light source that positive white LEDs light source that colour temperature is 5000-5500K and colour temperature are 6500-7000K.Meanwhile, be configured with chromatism measurement instrument, accurately can detect aberration, add the reliability of colorimetric.Be placed on colorimetric platform by needing the testing sample of detection and reference sample or standard color comparison card, Different Light is selected to irradiate by light source selector switch, be stuck in the aberration under different light source irradiation with chromatism measurement apparatus measures testing sample and reference sample or standard colorimetric, aberration result is presented at the display window of the casing outside of standard sources colorimetric lamp box the most at last.
Further, standard sources colorimetric lamp box inner light source configuration colour temperature is the D65 light source (21) of 6500K, colour temperature is the CWF light source (22) of 4150K, colour temperature is the A light source (23) of 2856K, colour temperature is the TL84 light source (24) of 4000K, colour temperature is the F light source (25) of 2700K, wavelength is the UV light source (26) of 365nm, colour temperature is the warm white LEDs light source (27) of 3000-3500K, the cold white LEDs light source (29) of colour temperature to be the positive white LEDs light source (28) of 5000-5500K and colour temperature be 6500K-7000K.The colour rendering index of described white LED light source is greater than 70.The introducing of LED light source, expands the configuration of standard sources, improves the examination requirements of metamerism phenomenon.
Further, in standard sources colorimetric lamp box, configuration chromatism measurement instrument, comprises color sensor (51), calibrated filter (52), cosine corrector (53), signal processing module (54) and display module (55).Light source irradiation is on testing sample and reference sample, gather color signal by color sensor (51), through calibrated filter (52) and cosine corrector (53), color sensor is carried out and CIE standard colorimetric observer spectral tristimulus value function
consistent coupling correction, is processed the signal gathered by signal processing module (54), obtains the aberration between testing sample and reference sample under Different Light, result is shown by display module.
Further, the physical dimension " long × wide × high " of light-source box is 750 × 450 × 620mm, and " long × wide × high " of light-source box casing is of a size of (750-650) × (450-350) × (620-420) mm.The position of color sensor (51) and highly meet the illumination observation condition of 0 °/45 °.
Further, the equal selection standard T5 of the lamp tube type light source in standard sources colorimetric lamp box series fluorescent tube, and the layout interval between two identical light sources meets the illumination making the light source that in lamp box, colorimetric platform can receive is equally distributed.
Further, casing (1) inwall background all adopts grey in standard extinction type, prevents casing background colour from impacting detection of checking colors.
Further, light source selector switch (5) is connected with the circuit of corresponding light source lamp respectively, can be completed selection and the switching of radiation source by the selector switch of casing outside.
Compare existing standard sources colorimetric lamp box, the standard sources colorimetric lamp box of the LED of comprising white light source provided by the invention and chromatism measurement instrument is by with the addition of LED light source and the chromatism measurement instrument of different-colour, the requirement and the corresponding standard of raising that detect than checking colors can be increased further, further solution metamerism phenomenon, for manufacturer provider quality ensures.
Accompanying drawing explanation
Fig. 1 is the structural representation of the standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument
Fig. 2 is the right view of the standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument
Fig. 3 is the light source composition schematic diagram of the standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument
Embodiment
Below in conjunction with example, the present invention is further described:
As shown in Figure 1, a kind of standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument, for reducing the deviation and the increase colorimetric reliability that detect color further, it comprises casing (1), light source group (2), light-source box (3), colorimetric platform (4), chromatism measurement instrument (5) and light source selector switch (6) six part.
Light-source box (2) configuration 2 14W colour temperatures are the D65 light source (21) of 6500K, 2 14W colour temperatures are the CWF light source (22) of 4150K, 2 100W colour temperatures are the A light source (23) of 2856K, 2 14W colour temperatures are the TL84 light source (24) of 4000K, 2 40W colour temperatures are the F light source (25) of 2700K, 1 14W wavelength is the UV light source (26) of 365nm, 2 14W colour temperatures are the warm white LEDs light pipe of 3000-3500K, 2 colour temperatures are the positive white LEDs light pipe (28) of 5000-5500K and the cold white LEDs light source (29) of 2 colour temperature 6500-7000K.Wherein, each lamp tube type light source all uses the fluorescent tube of T5 standard.The arrangement pitch 4mm of each fluorescent tube, it is equally distributed that the interval of two identical lamp tube light sources meets the illumination making the light source that in lamp box, colorimetric platform can receive.
The introducing of LED light source, expands the configuration of standard sources, can except detecting the color of kinds of goods under existing light source irradiation environment, can also contrast under the irradiation of LED light source, adapt to the application of White-light LED illumination, solve metamerism problem further, add colorimetric reliability.
Chromatism measurement instrument (5) comprises color sensor (51), calibrated filter (52), cosine corrector (53), signal processing module (54) and display module (55) five part.In the present embodiment, color sensor (51) have employed TCS3414CS digital color sensor, the built-in redness of this sensor, green, blueness and transparent optical filter and IR blocking filter.Calibrated filter (52) selects polylith coloured glass to mate, and cosine corrector (53) selects milky spherical shell type cosine corrector.Calibrated filter and cosine corrector carry out and CIE standard colorimetric observer spectral tristimulus value function color sensor
consistent coupling correction.Signal processing module adopts the Colorimetry method of CIELAB to the process of aberration.By signal processing module, process is carried out to the color signal collected and obtain aberration, result is shown by display module.
The physical dimension " long × wide × high " of light-source box is 750 × 450 × 620mm, and box sizes is (750-650) × (450-350) × (620-420) mm.The position of the color sensor (51) in chromatism measurement instrument (5) and highly meet the illumination observation condition of 0 °/45 °.
The standard sources colorimetric lamp box of the LED of comprising white light source provided by the invention and chromatism measurement instrument is utilized to test, get one block of Blue samples cloth as test item, be placed on standard colorimetric platform middle position test zone band, open D65 light source respectively, CWF light source, A light source, TL84 light source, the warm white LEDs light source of F light source and wavelength to be the UV light source of 365nm and colour temperature be 3000-3500K, the cold white LEDs light source of colour temperature to be the positive white LEDs light source of 5000-5500K and colour temperature be 6500-7000K irradiates respectively, the acetes chinensis of sample cloth between Different Light is irradiated is carried out by chromatism measurement instrument, the value of chromatism between Different Light is irradiated obtaining sample cloth is respectively 0.38, 0.40, 0.38, 0.42, 0.43, 0.35, 0.31, 0.34.
As can be seen here, a kind of standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument provided by the invention, has the function of higher detection metamerism effect, can increase the requirement of colorimetric detection further and improve corresponding standard.
Claims (5)
1. one kind comprises the standard sources colorimetric lamp box of LED white light source and chromatism measurement instrument, it comprises casing (1), light source group (2), light-source box (3), colorimetric platform (4), chromatism measurement instrument (5) and light source selector switch (6) six part, it is characterized in that: except comprising D65 light source in light source group (2) configuration in lamp box, CWF light source, A light source, TL84 light source, F light source and wavelength are outside the UV light source of 365nm, also comprise the white LED light source of different-colour, box house configuration chromatism measurement instrument, objectively can carry out the color comparison of sample and standard specimen, described chromatism measurement instrument comprises color sensor (51), calibrated filter (52), cosine corrector (53), signal processing module (54) and display module (55) five part, described color sensor (51) have employed TCS3414CS digital color sensor, the built-in redness of sensor, green, blueness and transparent optical filter and IR blocking filter, calibrated filter (52) selects polylith coloured glass to mate, cosine corrector (53) selects milky spherical shell type cosine corrector, and calibrated filter and cosine corrector carry out the coupling correction consistent with CIE standard colorimetric observer spectral tristimulus value function to color sensor.
2. the standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument according to claim 1, it is characterized in that: the positive white LEDs light source that the white LED light source in lamp box comprises warm white LEDs light source that colour temperature is 3000-3500K, colour temperature is 5000-5500K and colour temperature are the cold white LEDs light source of 6500-7000K, and the colour rendering index of described white LED light source is greater than 70.
3. the standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument according to claim 1, it is characterized in that: the physical dimension " long × wide × high " of light-source box is 750 × 450 × 620mm, " long × wide × high " of casing is of a size of (750-650) × (450-350) × (620-420) mm, and the position of the color sensor of chromatism measurement instrument (51) and highly meet the illumination observation condition of 0 °/45 °.
4. the standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument according to claim 1, it is characterized in that: the equal selection standard T5 of the lamp tube type light source in lamp box series fluorescent tube, and the interval between two identical light sources meets the illumination making the light source that in lamp box, colorimetric platform can receive is equally distributed.
5. the standard sources colorimetric lamp box comprising LED white light source and chromatism measurement instrument according to claim 1, is characterized in that: cabinet wall background all adopts grey in standard extinction type, prevents the impact that casing background colour contrast colors detect.
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| CN104394295A (en) * | 2014-11-18 | 2015-03-04 | 上海美特斯邦威服饰股份有限公司 | Shadowless image pickup device |
| CN104616301A (en) * | 2015-02-04 | 2015-05-13 | 上海未来伙伴机器人有限公司 | Intelligent robot color sensor based chrominance analysis method, device and system |
| CN105092040A (en) * | 2015-08-31 | 2015-11-25 | 陕西科技大学 | Novel color measuring system and measuring method thereof |
| CN105424597B (en) * | 2015-11-10 | 2017-12-29 | 重庆长安汽车股份有限公司 | A kind of portable vehicle coating effect subjective assessment device |
| CN105517246A (en) * | 2016-01-15 | 2016-04-20 | 常州千明智能照明科技有限公司 | Multi-channel LED (light-emitting diode)-based verivide color assessment cabinet |
| CN105675148B (en) * | 2016-03-04 | 2019-01-01 | 温州佳易仪器有限公司 | A kind of standard sources observes color the light source calibration detection method of case |
| CN106768315B (en) * | 2017-02-17 | 2019-07-12 | 广东天正科技有限公司 | A kind of combined type illumination fixture luminance test method and device thereof |
| CN111712694A (en) * | 2018-01-04 | 2020-09-25 | 科汉森天然色素有限责任公司 | Colour measurement of turbid liquids |
| CN108207061B (en) * | 2018-01-19 | 2019-11-19 | 广州市固润光电科技有限公司 | A kind of lamp box and its monitoring method based on colour temperature monitoring |
| CN108835911A (en) * | 2018-08-14 | 2018-11-20 | 徐州恒伟纸制品包装有限公司 | A kind of inspection table checking the discoloration of packed in cases paper |
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