CN104034667A - On-line spectral colour photometer and application method thereof - Google Patents
On-line spectral colour photometer and application method thereof Download PDFInfo
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- CN104034667A CN104034667A CN201410250634.2A CN201410250634A CN104034667A CN 104034667 A CN104034667 A CN 104034667A CN 201410250634 A CN201410250634 A CN 201410250634A CN 104034667 A CN104034667 A CN 104034667A
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Abstract
The invention belongs to the field of spectral measurement, and in particular relates to an on-line spectral colour photometer and an application method thereof. The colour photometer comprises a shell, a sample detecting by-pass spectrograph arranged in the shell, a light source monitoring by-pass spectrograph, a sample detecting by-pass optical fiber, a light source monitoring by-pass fiber, a lighting device, an inner white plate switching assembly, a control circuit board and a measuring hole formed in the shell, wherein the inner white plate switching assembly is arranged above the measuring hole. The on-line spectral colour photometer provided by the invention is used for measuring colours of products arranged on a production line and has the advantages that products do not leave the production line in a measuring process, the production does not need to stop, the time and human cost are greatly saved, single measurement speed is fast, the quality condition of the products arranged on the production line is continuously measured in a real-time manner, the information of the colors of products is obtained in real time, the production waste is reduced, and the production efficiency is effectively improved.
Description
Technical field
The invention belongs to spectral measurement field, relate to particularly a kind of online spectrophotometric color measurement instrument and using method thereof.
Background technology
Along with scientific and technical progress and expanding economy, the colour index of industrial products requires more and more higher, and product colour difference can directly affect quality grade.With painted relevant industry, as: textile printing and dyeing, dyestuff, pigment manufacture, coating, coloring plastic processing and ink printing etc., the correctness of product colour is a vital quality index.Product aberration exceeds standard, and will cause substandard products or waste product, brings serious economic loss to enterprise.In mass production, enterprise need to carry out examination and controlling to product colour quality, guarantees that the colour index of different batches product is consistent.
Replace human eye to differentiate color with color measurement instrument and not only can very effectively improve the quality of products, and high-precision color measuring is the precondition of computer for colouring.Spectrophotometric color measurement instrument is instrument the most basic in color measuring, by measuring spectral reflection factor or the spectral transmittance of object, calculates tristimulus values and other color parameters of trying to achieve color sample.It is easy to use, and precision is high, and the various parameters that obtain sign color are convenient, nowadays become color measuring sector application instrument the most widely.Conventionally spectrophotometric color measurement instrument is desk-top and portable two kinds, and the high volume of desk-top spectrophotometric color measurement instrument precision is large, is usually used in laboratory, and portable spectrophotometric color measurement instrument volume is little, is easy to carry, and usable range is more extensive.These two kinds of spectrophotometric color measurement instruments are all contact type measurement, and when use, instrument just can carry out after contacting with measured object.When measurement products color, product on production line is taken off to the desk-top spectrophotometric color measurement instrument of rear use or the measurement of portable spectrophotometric color measurement instrument, this traditional off-line type color measuring all lags behind production conventionally, cannot obtain in time the colouring information of product on production line, while finding that deviation appears in product colour, a lot of or large quantities of underproof products have been produced, and cause huge waste.Therefore provide a kind of can Real-Time Monitoring product on production line quality condition, obtain in time product colour information online spectrophotometric color measurement instrument significant.
Summary of the invention
The object of the invention is not to be suitable in order to solve existing spectrophotometric color measurement instrument the problem of online measurement, a kind of online spectrophotometric color measurement instrument is provided, for product on production line is measured, obtain in time product colour information.
The technical solution adopted in the present invention is: a kind of online spectrophotometric color measurement instrument, comprise: housing, the sample being placed in described housing are surveyed branch road spectrometer, light source monitoring branch road spectrometer, sample detection branch road optical fiber, light source monitoring branch road optical fiber, lighting device, inner blank changeover module, control circuit board and open the measurement mouth on described housing, and described inner blank changeover module is placed in the described top of measuring mouth, described lighting device comprises pulse xenon lamp, pulse xenon lamp driving circuit, comprise UV (ultraviolet light) optical filter, get rid of UV optical filter, optical filter switch boards, optical filter switch motor and lens combination, described pulse xenon lamp is placed in described optical filter switch boards top, described pulse xenon lamp driving circuit is used for driving described pulse xenon lamp, the described UV optical filter that comprises, getting rid of UV optical filter is placed in described optical filter switch boards, described optical filter switch motor is used for driving described optical filter switch boards, described pulse xenon lamp driving circuit is connected with described control circuit board respectively with described optical filter switch motor, described lens combination is for collecting near reflected light measured object normal, described sample is surveyed branch road optical fiber and is delivered to described sample detection branch road spectrometer for the reflected light that described lens combination is collected, described light source monitoring branch road optical fiber is delivered to light source monitoring branch road spectrometer for the part light that described pulse xenon lamp is sent, described control circuit board, surveys the coordination of branch road spectrometer, described light source monitoring branch road spectrometer, described lighting device and described inner blank changeover module for controlling described sample.
Further, it is identical with light source monitoring branch road spectrometer architecture that described sample is surveyed branch road spectrometer, comprises grating and photodetector.
Further, described inner blank changeover module comprises inner blank switch boards, light hole, internal standard blank, inner blank switch boards drive motor and position transducer, described light hole and described internal standard blank are placed in described inner blank switch boards, described inner blank switch boards drive motor is used for driving described inner blank switch boards, described position transducer is for monitoring the position of described inner blank switch boards, and described inner blank switch boards drive motor is connected with described control circuit board respectively with described position transducer.
Further, described control circuit board comprises secondary power supply module, communication module, probe control module, pulse xenon lamp control module, optical filter switch motor control module, position transducer control module and inner blank switch boards drive motor control module, wherein, described secondary power supply module, is connected to described online spectrophotometric color measurement instrument power supply with external power adapter; Described communication module, is connected and communicates with outer computer, to realize the sending and receiving of order and data between computing machine and described online spectrophotometric color measurement instrument; Described probe control module, is connected with described photodetector; Described pulse xenon lamp control module, is connected with described pulse xenon lamp driving circuit; Described optical filter switch motor control module, is connected with described optical filter switch motor; Described position transducer control module, is connected with described position transducer; Described inner blank switch boards drive motor control module, is connected with described inner blank switch boards drive motor.
The using method of online spectrophotometric color measurement instrument of the present invention is:
Described spectrophotometric color measurement instrument is arranged on to the position that production line is suitable, measured object is placed in to described spectrophotometric color measurement instrument and measures a mouthful place, send measuring-signal by computing machine, described in described control circuit board control, inner blank switch boards drive motor drives described inner blank switch boards, after described position transducer confirms that described light hole is opened completely, pulse xenon lamp flash of light described in described control circuit board control, the light sending through described lighting device, the final mode with 45 ° of ring illuminations, be irradiated on measured object, near diffusing measured object normal direction collected by described lens combination, described sample is surveyed branch road optical fiber and is surveyed branch road spectrometer for the measured object reflected light of collecting being delivered to sample, be converted into electric signal by described photodetector, obtain the spectral information of measured object, simultaneously, the part light that described light source monitoring branch road optical fiber sends pulse xenon lamp is delivered to described light source monitoring branch road spectrometer, be converted into electric signal by photodetector, obtain the spectral information of pulse xenon lamp, described light source monitoring branch road spectrometer records each pulse xenon lamp flash of light energy hunting, impact with compensated pulse xenon lamp flash of light energy hunting on measuring accuracy, then, by computing machine, the spectral information of measured object is carried out to computing, can obtain the spectral reflection factor of measured object, the spectral reflection factor of measured object is the basis that all further color parameters calculate, by known color computing formula, the color parameter that can obtain measured object, measurement result is by Computer display.
Further, in the time need to measuring the color of fluorescent samples, described in described control circuit board control, optical filter switch motor switches optical filter switch boards, to comprise successively described UV optical filter and described eliminating UV optical filter and be placed in described pulse xenon lamp below, realize respectively the illumination that comprises UV and twice measurement of illumination of getting rid of UV, through computing machine, the spectral information obtaining is processed, obtained the colouring information of fluorescent samples.
Further, in the time that needs are calibrated external perimysium reference blank, make described online spectrophotometric color measurement instrument leave the measuring position on production line, external perimysium reference blank is placed in to described online spectrophotometric color measurement instrument and measures a mouthful place, send outside rate-aided signal by described computing machine, described in described control circuit board control, inner blank switch boards drive motor drives described inner blank switch boards, after described position transducer confirms that described light hole is opened completely, described external perimysium reference blank is measured, obtain the spectral information of described external perimysium reference blank and pulse xenon lamp, through computing machine, the spectral information obtaining is processed, complete the calibration of external perimysium reference blank.
Further, in the time that needs re-start calibration to internal standard blank, send inner rate-aided signal by computing machine, described in described control circuit board control, inner blank switch motor drives described inner blank switch boards, when described position transducer confirms that described internal standard blank is behind described measurement mouthful place, described internal standard blank is measured, obtain the spectral information of described internal standard blank and pulse xenon lamp, through computing machine, the spectral information obtaining is processed, completed the calibration of internal standard blank.
Further, the metering system of described online colour photometer and described measured object is contactless, described online colour photometer also can be connected with the control system of described production line, form closed-loop control system, in the time that color parameter is undesirable, measuring system can be sent signal to control system, adjusts in time dyestuff proportioning.
Beneficial effect of the present invention:
Online spectrophotometric color measurement instrument provided by the invention, measure for the production of the product colour on line, in measuring process, product need not leave production line, more need not stop producing, can greatly save time and human cost, single measurement speed is fast, and the quality condition that continuous coverage can Real-Time Monitoring product on production line, obtains product colour information in time, not only be conducive to reduce and produce waste, and can effectively enhance productivity.
Brief description of the drawings
Fig. 1 is the structural representation of the online spectrophotometric color measurement instrument of the present invention.
Fig. 2 is the schematic diagram of the online spectrophotometric color measurement instrument external perimysium reference of the present invention blank calibration.
Fig. 3 is that the online spectrophotometric color measurement instrument of the present invention is measured fluorescent samples schematic diagram.
Fig. 4 is the schematic diagram of the inner calibration of the online spectrophotometric color measurement instrument of the present invention.
Fig. 5 is the workflow diagram of the online spectrophotometric color measurement instrument using method of the present invention.
In figure: housing 1, lighting device 2, sample is surveyed branch road spectrometer 3, light source monitoring branch road spectrometer 4, sample is surveyed branch road optical fiber 5, light source monitoring branch road optical fiber 6, inner blank changeover module 7, control circuit board 8, measure mouth 9, pulse xenon lamp 10, pulse xenon lamp driving circuit 11, comprise UV optical filter 12, get rid of UV optical filter 13, optical filter switch boards 14, optical filter switch motor 15, lens combination 16, grating 17, photodetector 18, inner blank switch boards 19, light hole 20, internal standard blank 21, inner blank switch boards drive motor 22, position transducer 23, secondary power supply module 24, communication module 25, probe control module 26, pulse xenon lamp control module 27, optical filter switch motor control module 28, position transducer control module 29, inner blank switch boards drive motor control module 30, production line 31, product 32, power supply adaptor 33, computing machine 34, external perimysium reference blank 35.
Embodiment
Be elaborated below in conjunction with Fig. 1-5 pair the specific embodiment of the present invention.
As shown in Figure 1, online spectrophotometric color measurement instrument of the present invention, comprising: housing 1, lighting device 2, sample are surveyed branch road spectrometer 3, light source monitoring branch road spectrometer 4, sample detection branch road optical fiber 5, light source monitoring branch road optical fiber 6, inner blank changeover module 7, control circuit board 8 and measured mouth 9.Wherein, lighting device 2 comprises pulse xenon lamp 10, pulse xenon lamp driving circuit 11, comprises UV optical filter 12, gets rid of UV optical filter 13, optical filter switch boards 14, optical filter switch motor 15 and lens combination 16; It is identical with light source monitoring branch road spectrometer 4 structures that sample is surveyed branch road spectrometer 3, comprises grating 17 and photodetector 18; Sample is surveyed branch road optical fiber 5 and is delivered to sample detection branch road spectrometer 3 for the measured object reflected light that lens combination 16 is collected; Light source monitoring branch road optical fiber 6 is delivered to light source monitoring branch road spectrometer 4 for the part light that pulse xenon lamp 10 is sent; Inner blank changeover module 7 comprises inner blank switch boards 19, light hole 20, internal standard blank 21, inner blank switch boards drive motor 22 and position transducer 23; Described control circuit board 8 comprises, secondary power supply module 24, communication module 25, probe control module 26, pulse xenon lamp control module 27, optical filter switch motor control module 28, position transducer control module 29 and inner blank switch boards drive motor control module 30.
Online spectrophotometric color measurement instrument, be operated on production line 31, measured object is the product 32 on production line 31, the be measured as non-contact measurement of online spectrophotometric color measurement instrument to product 32, and when measurement, measured object and instrument are separated by a distance, single measurement speed is fast, can realize the continuous coverage to product 32, obtain in real time measurement result, measure interval adjustable as requested, all the time hold colouring information and the variation tendency of product 32, for product 32 color adjustment provide foundation.
Lighting device 2 emergent lights are 45 degree ring light illuminations, the lens combination 16 receiving with 0 degree forms 45/0 illumination and observation condition jointly, meet standard illuminants and the observation condition of the measurement reflected colour of International Commission on Illumination (CIE) regulation, in online color measuring, this device can, to measured object Uniform Illumination, can be realized again non-cpntact measurement.
Lighting device 2 adopts pulse xenon lamp 10 as light source, and single measurement speed is fast, is applicable to the fast feature of production line 31 movement velocitys.
In optical filter switch boards 14, be provided with and comprise UV optical filter 12 and get rid of UV optical filter 13, by switching optical filter, to realize the light output of lighting device 2 different spectral bands, can be used for the color measuring of fluorescent samples.
When use, online spectrophotometric color measurement instrument is powered by external power adapter 33, and is connected and communicates with computing machine 34, sends work order, reception and deal with data by computing machine 34, shows result.
Online spectrophotometric color measurement instrument, also can be connected with the control system of production line 31, forms closed-loop control system, and in the time that color parameter is undesirable, measuring system can be sent signal to control system, adjusts in time dyestuff proportioning, even directly stops producing.
In online spectrophotometric color measurement instrument, the effect of internal standard blank 21 is that auxiliary external perimysium reference blank 35 external perimysium reference blanks 35 are calibrated, and without instrument is frequently withdrawn to production line 31, calibration speed is fast, and interruption Measuring Time is short, is conducive to continuous coverage.
Using method and workflow below in conjunction with drawings and Examples to the online spectrophotometric color measurement instrument of the present invention are described in further details.
As shown in Fig. 1,2 and 5, first online spectrophotometric color measurement instrument being carried out to external perimysium reference blank 35 calibrates, online spectrophotometric color measurement instrument leaves the measuring position on production line 31, external perimysium reference blank 35 is placed in to online spectrophotometric color measurement instrument and measures mouthful 9 places, make external perimysium reference blank 35 in working position.Send outside rate-aided signal by computing machine 34, control circuit board 8 is controlled inner blank switch boards drive motor 22 and is driven inner blank switch boards 19, after position transducer 23 confirms that light hole 20 is opened completely, control circuit board 8 gating pulse xenon lamps 10 glisten, the light sending through lighting device 2, the final mode with 45 ° of ring illuminations, be irradiated on external perimysium reference blank 35, near diffusing external perimysium reference blank 35 normal directions collected by lens combination 16, sample is surveyed branch road optical fiber 5 and is surveyed branch road spectrometer 3 for external perimysium reference blank 35 reflected light of collecting being delivered to sample, be converted into electric signal by photodetector 18, obtain the spectral information of external perimysium reference blank 35, simultaneously, the part light that light source monitoring branch road optical fiber 6 sends pulse xenon lamp is delivered to light source monitoring branch road spectrometer 4, be converted into electric signal by photodetector 18, obtain the spectral information of pulse xenon lamp., so just complete external perimysium reference blank 35 and calibrate the spectral information computing of the spectral information of external perimysium reference blank 35 and pulse xenon lamp by computing machine 34.
As shown in Fig. 1 and 5, online spectrophotometric color measurement instrument returns to the measuring position on production line 31, and online spectrophotometric color measurement instrument is measured product 32.Send measuring-signal by computing machine 34, after position transducer 23 confirms that light hole 20 is opened completely, control circuit board 8 gating pulse xenon lamps 10 glisten, the light sending through lighting device 2, the final mode with 45 ° of ring illuminations, be irradiated on product 32, near diffusing product 32 normal directions collected by lens combination 16, sample is surveyed branch road optical fiber 5 and is surveyed branch road spectrometer 3 for the product of collecting 32 reflected light being delivered to sample, be converted into electric signal by photodetector 18, obtain the spectral information of product 32, simultaneously, the part light that light source monitoring branch road optical fiber 6 sends pulse xenon lamp is delivered to light source monitoring branch road spectrometer 4, be converted into electric signal by photodetector 18, obtain the spectral information of pulse xenon lamp, light source monitoring branch road spectrometer 4 records each pulse xenon lamp flash of light energy hunting, impact with compensated pulse xenon lamp flash of light energy hunting on measuring accuracy.By the spectral information computing of the spectral information of product 32 and external perimysium reference blank 35, can obtain the spectral reflection factor of product 32 by computing machine 34.The spectral reflection factor of product 32 is bases that all further color parameters calculate, and by known color computing formula, can obtain the color parameter of product 32, and measurement result is shown by computing machine 34.So just, complete the once measurement to product 32.In the time that color parameter is undesirable, given the alarm by computing machine 34.
As illustrated in fig. 1 and 2, calibrate or when measurement products 32, require product 32 consistent with the distance of online spectrophotometric color measurement instrument with distance and the external perimysium reference blank 35 of online spectrophotometric color measurement instrument, with the accuracy that ensures to measure at external perimysium reference blank 35.
As shown in Fig. 1,3 and 5, in order to measure the color of fluorescent samples, the illumination light that need to comprise UV is measured product 32 respectively with the illumination light of getting rid of UV.In the time of illumination light that use comprises UV, control circuit board 8 is controlled optical filter switch motor 15 and is switched optical filter switch boards 14, to comprise UV optical filter 12 and be placed in pulse xenon lamp 10 belows, to realize the light output that lighting device 2 comprises UV wave band, product 32 be carried out to measuring process described above.In the time using the illumination light of getting rid of UV, control circuit board 8 is controlled optical filter switch motor 15 and is switched optical filter switch boards 14, eliminating UV optical filter 13 is placed in to pulse xenon lamp 10 belows, gets rid of the light output of UV wave band to realize lighting device 2, product 32 is carried out to measuring process the same.Process through computing machine 34, obtain the colouring information of fluorescent samples.
As shown in Figures 4 and 5, when after online spectrophotometric color measurement instrument work a period of time, due to environment reason, there is drift in apparatus measures data, need to re-start calibration.Send inner rate-aided signal by computing machine 34, control circuit board 8 is controlled inner blank switch boards drive motor 22 and is driven inner blank switch boards 19, when position transducer 23 confirms that internal standard blank 21 is after measuring mouthful 9 places, control circuit board 8 gating pulse xenon lamps 10 glisten, the light sending through lighting device 2, the final mode with 45 ° of ring illuminations, be irradiated on internal standard blank 21, near diffusing internal standard blank 21 normal directions collected by lens combination 16, sample is surveyed branch road optical fiber 5 and is surveyed branch road spectrometer 3 for internal standard blank 21 reflected light of collecting being delivered to sample, be converted into electric signal by photodetector 18, obtain the spectral information of internal standard blank 21, simultaneously, the part light that light source monitoring branch road optical fiber 6 sends pulse xenon lamp is delivered to light source monitoring branch road spectrometer 4, be converted into electric signal by photodetector 18, obtain the spectral information of pulse xenon lamp, so just, completing internal standard blank 21 calibrates, can continue product 32 to measure.After online spectrophotometric color measurement instrument works long hours, internal standard blank 21 is calibrated accuracy and is declined, and need to re-start external perimysium reference blank 35 and calibrate.
Claims (9)
1. an online spectrophotometric color measurement instrument, it is characterized in that: comprising: housing, the sample being placed in described housing are surveyed branch road spectrometer, light source monitoring branch road spectrometer, sample detection branch road optical fiber, light source monitoring branch road optical fiber, lighting device, inner blank changeover module, control circuit board and open the measurement mouth on described housing, and described inner blank changeover module is placed in the described top of measuring mouth, described lighting device comprises pulse xenon lamp, pulse xenon lamp driving circuit, comprise UV optical filter, get rid of UV optical filter, optical filter switch boards, optical filter switch motor and lens combination, described pulse xenon lamp is placed in described optical filter switch boards top, described pulse xenon lamp driving circuit is used for driving described pulse xenon lamp, the described UV optical filter that comprises, getting rid of UV optical filter is placed in described optical filter switch boards, described optical filter switch motor is used for driving described optical filter switch boards, described pulse xenon lamp driving circuit is connected with described control circuit board respectively with described optical filter switch motor, described lens combination is for collecting near reflected light measured object normal, described sample is surveyed branch road optical fiber and is delivered to described sample detection branch road spectrometer for the reflected light that described lens combination is collected, described light source monitoring branch road optical fiber, is delivered to light source monitoring branch road spectrometer for the part light that described pulse xenon lamp is sent, described control circuit board, surveys the coordination of branch road spectrometer, described light source monitoring branch road spectrometer, described lighting device and described inner blank changeover module for controlling described sample.
2. online spectrophotometric color measurement instrument as claimed in claim 1, is characterized in that: it is identical with light source monitoring branch road spectrometer architecture that described sample is surveyed branch road spectrometer, comprises grating and photodetector.
3. online spectrophotometric color measurement instrument as claimed in claim 1 or 2, it is characterized in that: described inner blank changeover module comprises inner blank switch boards, light hole, internal standard blank, inner blank switch boards drive motor and position transducer, described light hole and described internal standard blank are placed in described inner blank switch boards, described inner blank switch boards drive motor is used for driving described inner blank switch boards, described position transducer is for monitoring the position of described inner blank switch boards, described inner blank switch boards drive motor is connected with described control circuit board respectively with described position transducer.
4. online spectrophotometric color measurement instrument as claimed in claim 1 or 2, it is characterized in that: described control circuit board comprises secondary power supply module, communication module, probe control module, pulse xenon lamp control module, optical filter switch motor control module, position transducer control module and inner blank switch boards drive motor control module, wherein said secondary power supply module, is connected to described online spectrophotometric color measurement instrument power supply with external power adapter; Described communication module, is connected and communicates with outer computer, to realize the sending and receiving of order and data between computing machine and described online spectrophotometric color measurement instrument; Described probe control module, is connected with described photodetector; Described pulse xenon lamp control module, is connected with described pulse xenon lamp driving circuit; Described optical filter switch motor control module, is connected with described optical filter switch motor; Described position transducer control module, is connected with described position transducer; Described inner blank switch boards drive motor control module, is connected with described inner blank switch boards drive motor.
5. the using method of the online spectrophotometric color measurement instrument as described in aforementioned any one claim, it is characterized in that: described spectrophotometric color measurement instrument is arranged on to the position that production line is suitable, measured object is placed in to described spectrophotometric color measurement instrument and measures a mouthful place, send measuring-signal by computing machine, described in described control circuit board control, inner blank switch boards drive motor drives described inner blank switch boards, after described position transducer confirms that described light hole is opened completely, pulse xenon lamp flash of light described in described control circuit board control, the light sending through described lighting device, the final mode with 45 ° of ring illuminations, be irradiated on measured object, near diffusing measured object normal direction collected by described lens combination, described sample is surveyed branch road optical fiber and is surveyed branch road spectrometer for the measured object reflected light of collecting being delivered to sample, be converted into electric signal by described photodetector, obtain the spectral information of measured object, simultaneously, the part light that described light source monitoring branch road optical fiber sends pulse xenon lamp is delivered to described light source monitoring branch road spectrometer, be converted into electric signal by photodetector, obtain the spectral information of pulse xenon lamp, described light source monitoring branch road spectrometer records each pulse xenon lamp flash of light energy hunting, impact with compensated pulse xenon lamp flash of light energy hunting on measuring accuracy, then, by computing machine, the spectral information of measured object is carried out to computing, can obtain the spectral reflection factor of measured object, the spectral reflection factor of measured object is the basis that all further color parameters calculate, by known color computing formula, the color parameter that can obtain measured object, measurement result is by Computer display.
6. the using method of online spectrophotometric color measurement instrument as claimed in claim 5, it is characterized in that: in the time need to measuring the color of fluorescent samples, described in described control circuit board control, optical filter switch motor switches optical filter switch boards, to comprise successively described UV optical filter and described eliminating UV optical filter and be placed in described pulse xenon lamp below, realize respectively the illumination that comprises UV and twice measurement of illumination of getting rid of UV, through computing machine, the spectral information obtaining is processed, obtained the colouring information of fluorescent samples.
7. the using method of online spectrophotometric color measurement instrument as claimed in claim 5, it is characterized in that: in the time that needs are calibrated external perimysium reference blank, make described online spectrophotometric color measurement instrument leave the measuring position on production line, external perimysium reference blank is placed in to described online spectrophotometric color measurement instrument and measures a mouthful place, send outside rate-aided signal by described computing machine, described in described control circuit board control, inner blank switch boards drive motor drives described inner blank switch boards, after described position transducer confirms that described light hole is opened completely, described external perimysium reference blank is measured, obtain the spectral information of described external perimysium reference blank and pulse xenon lamp, through computing machine, the spectral information obtaining is processed, complete the calibration of external perimysium reference blank.
8. the using method of online spectrophotometric color measurement instrument as claimed in claim 5, it is characterized in that: in the time that needs re-start calibration to internal standard blank, send inner rate-aided signal by computing machine, described in described control circuit board control, inner blank switch motor drives described inner blank switch boards, when described position transducer confirms that described internal standard blank is behind described measurement mouthful place, described internal standard blank is measured, obtain the spectral information of described internal standard blank and pulse xenon lamp, through computing machine, the spectral information obtaining is processed, complete the calibration of internal standard blank.
9. the using method of online spectrophotometric color measurement instrument as claimed in claim 5, it is characterized in that: the metering system of described online colour photometer and described measured object is contactless, described online colour photometer also can be connected with the control system of described production line, form closed-loop control system, in the time that color parameter is undesirable, measuring system can be sent signal to control system, adjusts in time dyestuff proportioning.
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CN104949923A (en) * | 2015-04-21 | 2015-09-30 | 嘉兴北化高分子助剂有限公司 | Sulphur master batch detecting method |
CN105203481A (en) * | 2015-09-21 | 2015-12-30 | 上海光谱仪器有限公司 | Spectrophotometer data collecting system and method based on pulse xenon lamp |
CN111452538A (en) * | 2020-04-02 | 2020-07-28 | 中国资源卫星应用中心 | White board switching protection mechanism |
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