CN103411677A - Standard light source comprising LED white light source and color than the color boxes measuring instruments - Google Patents
Standard light source comprising LED white light source and color than the color boxes measuring instruments Download PDFInfo
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- CN103411677A CN103411677A CN2013100618480A CN201310061848A CN103411677A CN 103411677 A CN103411677 A CN 103411677A CN 2013100618480 A CN2013100618480 A CN 2013100618480A CN 201310061848 A CN201310061848 A CN 201310061848A CN 103411677 A CN103411677 A CN 103411677A
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Abstract
Disclosed is a standard light source colorimetric light box comprising an LED white light source and a chromatic aberration measurement instrument. The standard light source colorimetric box includes six parts of a box body (1), a light source group (2), a light source box (3), a colorimetric table (4), the chromatic aberration measurement instrument (5) and a light source selection switch (6). The standard light source colorimetric box is characterized in that apart from a D65 light source, a CWF light source, an A light source, a TL84 light source, an F light source and a UV light source with a wavelength of 365nm, the light source group (2) in the light box also includes but is not limited to warm white LED light source with a color temperature of 3000K-3500K, a pure white LED light source with a color temperature of 5000K-5500K and a cool white LED light source with a color temperature of 6500K-7000K; and the standard light source colorimetric box has the functions of capable of not only detecting a color of a product under an existing light source, but also comparing chromatic aberrations under the illumination of the LED light source. Meanwhile, configuration of the chromatic aberration measurement instrument in the box allows objective color comparison of a sample and a standard sample.
Description
Technical field
The invention belongs to color matching measurement field, specifically a kind of standard sources colorimetric lamp box that comprises LED white light source and chromatism measurement instrument.
Background technology
Standard sources colorimetric lamp box can be simulated the light of multiple lighting environment, is usually used in the relevant industries such as textile, printing and dyeing, printing, plastic cement, pigment, paint, printing ink, photography and detects misalignment and other evaluation of colourity variable color level.Because Different Light has different emittance, in the time of on shining article, can manifest different colors.In commercial 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 under different light rays, sees varies in color, the kinds of goods aberration is difficult to when judgement causes travelling trader to examine goods thus to complain because aberration exceeds critical field, even return goods, thereby had a strong impact on company image.Effectively address the above problem, effective method is exactly when the color of calibrating kinds of goods, under identical light source and controllable condition, carries out the comparison of multiple different light sources irradiation, to solve the metamerism problem.
A new generation's the developing rapidly of LED light source, relied on the advantages such as its high light efficiency, high color rendering index (CRI), little color tolerance be poor to be widely used in various illuminations.And in the existing standard light source VERIVIDE COLOR ASSESMENT CABINET of market, only provide the light sources such as D65 light source, TL84, CWF, UV, F, A, so far do not occur that the LED white light source is as the standard detection light source, this will affect the reliability of colorimetric, especially the colorimetric reliability under the LED white-light illuminating.In addition, while in lamp box inside, carrying out colorimetric detection, 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 the standard sources colorimetric lamp box of a kind of LED of comprising white light source and chromatism measurement instrument.Its objective is except can be under existing light source irradiation environment the color aberration of test item, can also be under the irradiation of LED light source the color aberration of test item; Also can under various light sources, carry out accurate aberration detection simultaneously, further to solve the metamerism problem, increase the reliability of colorimetric.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of standard sources colorimetric lamp box that comprises LED white light source and chromatism measurement instrument, for further reducing, detect the deviation of color and increase the colorimetric reliability, comprising casing (1), light source group (2), light-source box (3), colorimetric platform (4), colour difference meter (5) and light source selector switch (6) six parts.It is characterized in that: in the configuration of light source in standard sources colorimetric lamp box except comprising the D65 light source, the CWF light source, the A light source, the TL84 light source, F light source and wavelength are beyond the UV light source of 365nm, and the warm white LEDs light source, the colour temperature that also comprise, be not limited to colour temperature and be 3000-3500K are the positive white LEDs light source of 5000-5500K and the cold white LEDs light source that colour temperature is 6500-7000K.Simultaneously, configure the chromatism measurement instrument, can accurately detect aberration, increased the reliability of colorimetric.The testing sample that needs are detected and reference sample or standard color comparison card are placed on the colorimetric platform, by the light source selector switch, select Different Light to irradiate, with chromatism measurement apparatus measures testing sample, be stuck in the aberration under different light source irradiations from reference sample or standard colorimetric, the 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, and colour temperature is the positive white LEDs light source (28) of 5000-5500K and the cold white LEDs light source (29) that colour temperature is 6500K-7000K.The colour rendering index of described white LED light source is greater than 70.The introducing of LED light source, enlarged the configuration of standard sources, improved the examination requirements of metamerism phenomenon.
Further, in standard sources colorimetric lamp box, configuration chromatism measurement instrument, comprise 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, by color sensor (51), gather color signal, 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, process the signal gathered by signal processing module (54), obtains the aberration between testing sample and reference sample under Different Light, and result is shown by display module.
Further, the physical dimension of light-source box " length * wide * height " is 750 * 450 * 620mm, and " length * wide * height " 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 series of the lamp tube type light source in standard sources colorimetric lamp box fluorescent tube, and the layout interval between two identical light sources meets, and to make the illumination of the light source that can receive on the colorimetric platform in lamp box be equally distributed.
Further, casing (1) inwall background all adopts grey in standard extinction type, prevents that the casing background colour from detecting and impacting checking colors.
Further, light source selector switch (5) is connected with the circuit of corresponding light source lamp respectively, can complete by the selector switch of casing outside selection and the switching of radiation source.
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 the LED light source and the chromatism measurement instrument that have added different-colour, can further increase the requirement detected than checking colors and improve corresponding standard, further solve the metamerism phenomenon, for manufacturer provider product quality ensures.
The accompanying drawing explanation
Fig. 1 is the structural representation that comprises the standard sources colorimetric lamp box of LED white light source and chromatism measurement instrument
Fig. 2 is the right view that comprises the standard sources colorimetric lamp box of LED white light source and chromatism measurement instrument
Fig. 3 is that the light source that comprises the standard sources colorimetric lamp box of LED white light source and chromatism measurement instrument forms schematic diagram
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 that comprises LED white light source and chromatism measurement instrument, for further reducing, detect the deviation of color and increase the colorimetric reliability, 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 parts.
2 D65 light sources (21) that the 14W colour temperature is 6500K of light-source box (2) configuration, 2 CWF light sources (22) that the 14W colour temperature is 4150K, 2 A light sources (23) that the 100W colour temperature is 2856K, 2 TL84 light sources (24) that the 14W colour temperature is 4000K, 2 F light sources (25) that the 40W colour temperature is 2700K, 1 UV light source (26) that the 14W wavelength is 365nm, 2 14W colour temperatures are the warm white LEDs light pipe of 3000-3500K, and 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 is all used the fluorescent tube of T5 standard.The arrangement pitch 4mm of each fluorescent tube, the interval of two identical lamp tube light sources meets that to make the illumination of the light source that can receive on the colorimetric platform in lamp box be equally distributed.
The introducing of LED light source, enlarged the configuration of standard sources, can be except under existing light source irradiation environment, detecting the color of kinds of goods, can also under the irradiation of LED light source, contrast, adapt to the application of White-light LED illumination, further solved the metamerism problem, increased the 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 parts.In the present embodiment, color sensor (51) has adopted 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) is selected 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 processing of aberration.By signal processing module, the color signal collected is processed and obtained aberration, result is shown by display module.
The physical dimension of light-source box " length * wide * height " 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 °.
Utilize the standard sources colorimetric lamp box of the LED of comprising white light source provided by the invention and chromatism measurement instrument to test, get a blue sample cloth as test item, be placed on standard colorimetric platform middle position test zone band, open respectively the D65 light source, the CWF light source, the A light source, the TL84 light source, F light source and wavelength are the UV light source of 365nm and the warm white LEDs light source that colour temperature is 3000-3500K, colour temperature is that the positive white LEDs light source of 5000-5500K and cold white LEDs light source that colour temperature is 6500-7000K irradiate respectively, by the chromatism measurement instrument, carrying out the aberration of sample cloth between Different Light is irradiated detects, the value of chromatism between Different Light is irradiated that obtains the 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 that comprises LED white light source and chromatism measurement instrument provided by the invention, have the function of higher detection metamerism effect, can further increase the requirement of colorimetric detection and improve corresponding standard.
Claims (8)
1. standard sources colorimetric lamp box that comprises 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 parts.It is characterized in that: except comprising the UV light source that D65 light source, CWF light source, A light source, TL84 light source, F light source and wavelength are 365nm, also comprise the white LED light source of different-colour in light source group (2) configuration in lamp box.Its effect is except can under existing light source irradiation environment, detecting the color of kinds of goods, can also under the irradiation of LED light source, contrast, further solving the metamerism problem.Box house configuration chromatism measurement instrument, can objectively carry out the color comparison of sample and standard specimen.
2. the standard sources colorimetric lamp box that comprises LED white light source and chromatism measurement instrument according to claim 1 is characterized in that: the white LED light source in lamp box includes but not limited to that colour temperature is that warm white LEDs light source, the colour temperature of 3000-3500K is that positive white LEDs light source, the colour temperature of 5000-5500K is the cold white LEDs light source of 6500-7000K.The colour rendering index of described white LED light source is greater than 70.
3. the standard sources colorimetric lamp box that comprises LED white light source and chromatism measurement instrument according to claim 1, is characterized in that: standard sources colorimetric lamp box internal configurations chromatism measurement instrument.The chromatism measurement instrument can accurately be measured the aberration under Different Light is irradiated of sample and standard specimen, has increased the reliability of colorimetric.
4. according to the chromatism measurement instrument of claim 1 and lamp box claimed in claim 3 configuration, it is characterized in that: the chromatism measurement instrument comprises color sensor (51), calibrated filter (52), cosine corrector (53), signal processing module (54) and display module (55) five parts.
5. color sensor according to claim 4 (51) has adopted 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, and cosine corrector (53) is selected 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.
6. the standard sources colorimetric lamp box that comprises LED white light source and chromatism measurement instrument according to claim 1, it is characterized in that: the physical dimension of light-source box " length * wide * height " is 750 * 450 * 620mm, " length * wide * height " 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 °.
7. the standard sources colorimetric lamp box that comprises LED white light source and chromatism measurement instrument according to claim 1, it is characterized in that: the equal selection standard T5 series of the lamp tube type light source in lamp box fluorescent tube, and the interval between two identical light sources meets, and to make the illumination of the light source that can receive on the colorimetric platform in lamp box be equally distributed.
8. the standard sources colorimetric lamp box that comprises LED white light source and chromatism measurement instrument according to claim 1, it is characterized in that: the cabinet wall background all adopts grey in standard extinction type, prevents the impact that casing background colour contrast colors detect.
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Cited By (10)
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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 |
| CN105424597A (en) * | 2015-11-10 | 2016-03-23 | 重庆长安汽车股份有限公司 | Portable device for subjective assessment on automobile coating effect |
| CN105675148A (en) * | 2016-03-04 | 2016-06-15 | 温州佳易仪器有限公司 | Method for detecting light source calibration of standard light source coloring observation box |
| CN106768315A (en) * | 2017-02-17 | 2017-05-31 | 广东天正科技有限公司 | A kind of combined type illumination fixture luminance test method and its device |
| WO2017121051A1 (en) * | 2016-01-15 | 2017-07-20 | 常州千明智能照明科技有限公司 | Multi-channel led-based colour matching light box |
| CN108207061A (en) * | 2018-01-19 | 2018-06-26 | 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 |
| 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 |
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