CN208206304U - A kind of radium-shine cigarette-brand color difference measuring device - Google Patents
A kind of radium-shine cigarette-brand color difference measuring device Download PDFInfo
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- CN208206304U CN208206304U CN201820907221.0U CN201820907221U CN208206304U CN 208206304 U CN208206304 U CN 208206304U CN 201820907221 U CN201820907221 U CN 201820907221U CN 208206304 U CN208206304 U CN 208206304U
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Abstract
The utility model relates to a kind of radium-shine cigarette-brand color difference measuring devices.Measuring device includes cabinet (1), LED light source (2), camera (3), vacuum suction sample placement platform (4), light source button (5), negative pressure button (6), industrial personal computer (7), display (8), vacsorb pump (9), measuring table (10), L-type scale (17), safe grating (18).The measuring table (10) includes X-axis linear motion device (11), Y-axis linear motion device (12), zero correction box (13) correct blank (14), guide rail (15), color measuring device (16)；The rectangularly-sampled window size of the color measuring device (16) is length not less than 50mm and width is not less than 8mm.Chromatism measurement is carried out to laser smoke standard specimen product by the measuring device of the utility model, the accuracy of measurement result can be improved.
Description
Technical field
The utility model belongs to radium-shine cigarette-brand chromatism measurement field, and in particular to a kind of radium-shine cigarette-brand color difference measuring device.
Background technique
Laser paper is widely used with its bright rainbow effect in packaging and print field.Laser paper is characterized in
A plurality of parallel raised item or depression bar is arranged in interval on flat paper, and under incident light irradiation, raised item or depression bar are to light
Generate diffusing reflection and diffraction, and the flat region between adjacent protrusion item or depression bar then generates mirror-reflection, diffusing reflection and
Diffraction replaces presence with mirror-reflection, caused by visual effect be to seem to show periodically variable iridescent properties.Its
Middle areas of specular reflection is referred to as light beam region, and the direction of specular light is referred to as light beam direction in light beam region, wherein overflowing
Reflecting region is referred to as mixed and disorderly reflecting region, as shown in Figure 3 and Figure 4.Color measured values are by this iridescent properties and mirror surface
The influence of reflected light, with illumination and observation angle significant changes.Color measuring and evaluation to laser paper and its printed matter, mesh
Preceding corresponding measurement standard and industry standard not yet.Technical staff observes by visual observation or uses existing color measurement instrument
It is difficult to ensure with a batch of product or even different batches of product solid colour, thus can generate in process of production a large amount of useless
Product.
Traditional radium-shine cigarette-brand color measurement method is usually eye-observation or measures fixed position by traditional color difference meter
One point or several points at place, to judge whether cigarette-brand is qualified.It is subjective that the shortcomings that eye-observation method, is that human eye sees that color exists
Determine, is easy to appear certain deviation.Traditional color difference meter is needed when measuring the colouring information of a cigarette-brand sample different location
Artificial repeatedly movement measures different parts, if measuring point region is smaller, also needs to determine that measurement bore is first
, without crossing other color regions, there is the shortcomings that measurement heavy workload, low efficiency in measured zone in no all standing.This
Outside, for traditional color difference meter measured zone usually between (4-8mm) × (4-8mm), Sampling Area is smaller.Current radium-shine material,
Only the width of mixed and disorderly reflecting region caused by light beam is just in 8mm or so, and the characteristic of periodic arrangement, institute is presented in light beam region
With the color samples for only one (the 4-8mm) × region (4-8mm) being leaned on to carry out, there is randomness, can not accurately be had to color
The judgement of effect.Therefore, it is necessary to it is a kind of can be to the device that laser smoke standard specimen product color difference measures, to improve the accurate of test result
Degree and measurement efficiency.
Utility model content
The utility model aim is to provide a kind of radium-shine cigarette-brand color difference measuring device, using radium-shine cigarette-brand present rule,
The optical grating construction feature of period arrangement, sets fixed measured zone in software module, controls color measuring device in the measurement zone
Domain is moved along fixed step-length and is measured, and includes colouring information and " light beam " information in measurement result, and algorithm is anti-by spectrum
The rate of penetrating judges body color information, then rejects the mixed and disorderly emissivity information of light beam, finally obtains required colouring information.Finally
The standard specimen in the colour examining region and the color difference average value of non-standard specimen are calculated using CIELAB or CMC colour difference formula, judge non-standard specimen
It is whether qualified.
The utility model measuring device can also be used to measure common non-laser smoke target color difference, in the common non-of camera acquisition
The measured zone of the point measured zone or certain length that have been set in advance in Selection Software module on laser smoke mark sample image is led to
It crosses control color measuring device and is moved to measured zone progress color measuring.
It is low and unstable that the utility model mainly solves existing radium-shine cigarette-brand chromatism measurement precision deficiency, measurement efficiency
Problem, realize stable to radium-shine cigarette-brand and continuous measurement.With that can be automatically positioned, test result accuracy and stabilization are improved
The advantages that property.The measuring device and measurement method of the utility model can be used for continuously surveying pharyngitis granule factory product color difference
Amount realizes the detection to pharyngitis granule factory product quality.
The utility model specifically uses following technical scheme:
A kind of radium-shine cigarette-brand color difference measuring device, comprising:
Cabinet (1), the LED light source (2) being fixedly mounted on the cabinet (1) inner wall, is fixedly mounted on the cabinet (1)
Camera (3) right above inside center is located at the lower section of the camera (3), and with the camera lens center of the camera (3) same
Vacuum suction sample placement platform (4) on one vertical line, light source button (5), negative pressure button (6), vacsorb pump (9), industrial personal computer
(7), the display (8) being connected with the industrial personal computer (7)；
The measuring device further includes a measuring table (10), which is located at the vacuum suction setting-out
The surface of platform (4), the measuring table (10) includes with lower component:
X-axis linear motion device (11), Y-axis linear motion device (12), zero correction box (13) correct blank (14),
Guide rail (15), bottom are connected with the vacuum suction sample placement platform (4), the color measuring device that top is connected with the guide rail (15)
(16), the zero correction box (13) and correction blank (14) are fixedly mounted on the side of measuring table (10)；The colour examining dress
The rectangularly-sampled window size for setting (16) is length not less than 50mm and width is not less than 8mm.
A kind of radium-shine cigarette-brand chromatism measurement method of light beam, comprising the following steps:
(1) after radium-shine cigarette-brand color difference measuring device booting powers on, light source button (5) is clicked and open LED light source (2),
Display (8) software control interface is opened again, after starting cigarette-brand chromatism measurement system software, color measuring device (16) self-zeroing；
Zero adjustment is clicked, color measuring device (16) can be moved along guide rail (15) in X and Y-direction under servo motor drive (wherein will be convex
The extending direction for playing area is defined as X-direction, and the direction definition that will be perpendicular to raised item extending direction is Y-direction), zero correction box
(13) it moves under the control of stepper motor, is bonded with color measuring device (16) in the vertical direction, complete zero adjustment, calibration is completed
After return to zero；After clicking white calibration, color measuring device (16) is bonded with correction blank (14) in the same way, completes white school
It is quasi-；
(2) it places standard specimen sample: cigarette-brand sample being placed on vacuum suction sample placement platform (4) manually, when placing sample
Cigarette-brand sample boundaries needs are aligned with L-type scale (17), are pressed negative pressure button (6), and vacsorb pump (9) is by laser smoke standard specimen product
It adsorbs smooth；
(3) in cigarette-brand chromatism measurement system software, click starts to adopt figure button, the camera above measuring table (10)
(3) whole picture imaging is carried out to cigarette-brand sample to be measured, one or more measurement zones is manually selected on the sample image collected
Domain is moved, positions and is measured along X and Y direction according to measured zone computer control color measuring device (16) manually selected,
Lab value, spectral reflectivity, mixed and disorderly emissivity and the spectrum figure letter of sample to be tested different location can be shown on software interface
Breath；
(4) body color information is judged by spectral reflectivity, then rejects the mixed and disorderly emissivity information of light beam, needed for obtaining
The colouring information wanted.The colouring information of the colouring information of sample to be tested different location and standard sample is used into CIELAB or CMC
(l:c) colour difference formula calculates color difference, and the judgement of qualified product and rejected product is carried out according to preset acceptable color difference threshold.
The utility model has the beneficial effects that
1, for the utility model measuring device using mobile measurement structure, one-shot measurement process can be complete according to the program of setting
The color measuring at the pairs of multiple and different positions of laser smoke standard specimen product, improves measurement efficiency.
2, the acquisition locating module of camera, camera lens and LED light source combination is devised in the utility model measuring device.Pass through
The acquisition module of camera, camera lens and LED light source combination obtains the entire image of laser smoke standard specimen product, in radium-shine cigarette-brand standard specimen image
Upper independently selected measured zone, measured zone can be covered easily various up to 8mm*50mm or more, the sample mode of large area
Mixed and disorderly emitting area.Triggering color measuring device is moved to selected measured zone according to position signal and carries out color measuring, this to set
It counts and can guarantee that the precision of test result is higher, reproducibility is more preferable.
3, the utility model laser smoke target Colorimetry method judges body color information by spectral reflectivity, picks
Except the mixed and disorderly emissivity information of light beam, required colouring information is obtained.Finally by the colouring information of sample to be tested different location
Color difference is calculated using CIELAB or CMC (l:c) colour difference formula with the colouring information of standard sample, obtained result is more accurate.
Detailed description of the invention
Fig. 1 is radium-shine cigarette-brand color difference measuring device structural schematic diagram.
Fig. 2 is the structural schematic diagram of measuring table 10.
Fig. 3 is schematic diagram of the light through laser smoke standard specimen product flat region.
Fig. 4 is schematic diagram of the light through laser smoke standard specimen product convex area.
Fig. 5 is the flow chart of radium-shine cigarette-brand chromatism measurement method.
Wherein appended drawing reference meaning is as follows:
1- cabinet, 2-LED light source, 3- camera, 4- vacuum suction sample placement platform, 5- light source button, 6- negative pressure button, 7- work
Control machine, 8- display, 9- vacsorb pump, 10- measuring table, 11-X axis linear motion device, 12-Y axis linear motion device,
13- zero correction box, 14- correct blank, 15- guide rail, 16- color measuring device, 17-L type scale, 18- safe grating, 20- tradition
Color difference meter measured zone, 21- color measuring device measured zone, a- incident ray, b- reflection light, c- color measuring device moving direction,
The moving step length of d- color measuring device, the mixed and disorderly echo area f-, g- laser smoke standard specimen product flat region, h- laser smoke standard specimen product convex area,
K- light beam region.
Specific embodiment
The utility model is further described below in conjunction with drawings and examples.
The utility model discloses a kind of radium-shine cigarette-brand color difference measuring devices.As depicted in figs. 1 and 2, it includes cabinet 1,
LED light source 2, camera 3, vacuum suction sample placement platform 4, light source button 5, negative pressure button 6, industrial personal computer 7, display 8, vacuum suction
Pump 9, measuring table 10, L-type scale 17, safe grating 18.The measuring table 10 further includes X-axis linear motion device 11, Y-axis
Linear motion device 12, zero correction box 13 correct blank 14, guide rail 15, color measuring device 16；
Color measuring device 16 in the present embodiment is fixed on Y-axis linear motion device 12, X-axis linear motion device 11 and Y
Axis linear motion device 12 moves back and forth under the driving of servo motor in 4 overhead of vacuum suction sample placement platform, colour examining dress
16 are set to move back and forth under the drive of Y-axis linear motion device 12.Color measuring device 16 has the integrating sphere type light source of diffusing reflection formula,
Illumination is the illumination that diffuses with observation geometrical condition, and the visual angle detection of 8 ° of off-normal direction, includes mirror-reflection.
X-axis linear motion device 11, Y-axis linear motion device 12 in the present embodiment belong to screw rod linear motion device,
Chief component has screw rod, screw mandrel support seat, shaft coupling and displacement sensor etc..
Camera 3 in the present embodiment is fixed on right above cabinet, the center in vacuum suction sample placement platform 4, acquisition
Range can cover entire vacuum suction sample placement platform 4.
LED light source 2 in the present embodiment is fixed on four walls of cabinet 1, the polishing on laser smoke standard specimen product, cooperates camera
3 are imaged.
L-type scale 17 in the present embodiment is mounted on by 4 left frame of vacuum suction sample placement platform and lower frame, is guaranteed each
Setting-out sample is aligned with this two frame.
Safe grating 18 in the present embodiment is mainly used to protecting motor, when servo and stepper motor work, if touching
Safe grating 18, motor, which automatically powers off, to stop working, to guarantee safe operation.
It is withdrawn when zero correction box 13 in the present embodiment and idle correction blank 14, in stepping when work
It moves up under the control of motor and is bonded with color measuring device 16, complete the correction work of color measuring device 16.
The power supply line of power supply line, interface line and the network interface line of color measuring device 16 in the present embodiment and camera 3, interface line are all
It is connected on industrial personal computer.
Industrial personal computer 7 in the present embodiment further connects display and printer.
It is carried out as follows according to the radium-shine cigarette-brand chromatism measurement method that above-mentioned apparatus structure is implemented, measurement method stream
Journey figure is as shown in Figure 3:
1, it after the radium-shine cigarette-brand color difference measuring device booting of light beam powers on, presses light source button 5 and opens LED light source 2.
2,8 software control interface of display is opened, after starting cigarette-brand chromatism measurement system software, color measuring device 16 returns automatically
Zero；Zero adjustment is clicked, color measuring device 16 is moved along guide rail 15 in X and Y-direction under servo motor drive, zero correction box 13
It moves under the control of stepper motor, is bonded with color measuring device 16 in the vertical direction, complete zero adjustment, returned after the completion of calibration
Zero；After clicking white calibration, color measuring device 16 is bonded with correction blank 14 in the same way, completes white calibration.
3, it places standard specimen sample: radium-shine cigarette-brand standard specimen is placed on vacuum suction sample placement platform 4, it should be with a sample placement platform left side
The L-type scale 17 of inferior horn is aligned, and presses negative pressure button 6, starts vacsorb pump 9, laser smoke standard specimen product is adsorbed smooth.
4, in cigarette-brand chromatism measurement system software, click starts to adopt figure button, in cigarette-brand chromatism measurement system software,
Click starts to adopt figure button, and triggering camera 3 adopts figure, obtains the realtime graphic of radium-shine cigarette-brand standard specimen, and administrative division map is selected to be marked in real time
Measured zone is drawn on image, measured zone should be at perpendicular to light beam direction, length > 47.5mm+0.5 × color measuring device 16
The length of rectangularly-sampled window, in the region of the width of 16 rectangularly-sampled window of width G T.GT.GT color measuring device, color measuring device 16 is moved
To this region, measured along equidistant 20 sampled points of 2.5mm are carried out perpendicular to light beam direction.Optional one or more measurement zone
Domain, selects measurement pattern, and optional mode is Lab value, spectral reflectivity, mixed and disorderly emissivity and the spectrum figure of measured zone, point
It hits and starts to measure, color measuring device is sequentially moved to selected measured zone progress color measuring, after measurement, point according to selected
It hits stopping and adopts figure, color measuring device self-zeroing.
5, nonstandard all product are placed: and standard specimen sample places nonstandard sample in the same way, i.e., it is right with L-type scale 17
Together.
6, identical with standard specimen sample placement location due to nonstandard all product, selected measured zone is still protected on standard specimen sample
It stays, click starts to adopt figure, starts to measure, and color measuring device is still sequentially moved to selected measured zone progress color survey according to selected
Amount, obtains Lab value, spectral reflectivity, mixed and disorderly emissivity, spectrum figure, value of chromatism, color difference scatter diagram and the statistics of measured zone
Information after measurement, is clicked and stops adopting figure, color measuring device self-zeroing.
The present embodiment is intended to illustrate the content of utility model, rather than to the further of the protection scope of the utility model
It limits.
Claims (6)
1. a kind of radium-shine cigarette-brand color difference measuring device, comprising:
It is internal to be fixedly mounted on the cabinet (1) for cabinet (1), the LED light source (2) being fixedly mounted on the cabinet (1) inner wall
Camera (3) right above center is located at the lower section of the camera (3), and with the camera lens center of the camera (3) same perpendicular
Vacuum suction sample placement platform (4) on straight line, light source button (5), negative pressure button (6), vacsorb pump (9), industrial personal computer (7),
The display (8) being connected with the industrial personal computer (7)；
It is characterized in that, the measuring device further includes a measuring table (10), which is located at the vacuum
The surface of sample placement platform (4) is adsorbed, the measuring table (10) includes with lower component:
X-axis linear motion device (11), Y-axis linear motion device (12), zero correction box (13) correct blank (14), guide rail
(15), bottom is connected with the vacuum suction sample placement platform (4), the color measuring device (16) that top is connected with the guide rail (15),
The zero correction box (13) and correction blank (14) are fixedly mounted on the side of measuring table (10)；The color measuring device (16)
Rectangularly-sampled window size be length not less than 50mm and width is not less than 8mm.
2. measuring device according to claim 1, which is characterized in that the X-axis linear motion device (11) and Y-axis straight line
Telecontrol equipment (12) is respectively provided with servo motor, and the color measuring device (16) is under servo motor driving along X on guide rail (15)
Axis and Y-axis move back and forth.
3. measuring device according to claim 1, which is characterized in that the color measuring device (16) has the product of diffusing reflection formula
Bulb separation formula light source, illumination are the illumination that diffuses with observation geometrical condition, and the visual angle detection of 8 ° of off-normal direction is anti-comprising mirror surface
It penetrates.
4. measuring device according to claim 1, which is characterized in that the measuring device further includes safe grating (18),
The lower-left frame of the vacuum suction sample placement platform (4) also includes L-type scale (17).
5. measuring device according to claim 1, which is characterized in that the X-axis linear motion device (11), Y-axis straight line
Telecontrol equipment (12) belongs to screw rod linear motion device, and chief component has screw rod, screw mandrel support seat, shaft coupling and displacement to pass
Sensor.
6. measuring device according to claim 1, which is characterized in that power supply line, the interface line of the color measuring device (16)
It is all connected on the industrial personal computer (7) with the power supply line of cable and the camera (3), interface line, the industrial personal computer (7) is into one
Step connection printer.
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| CN201820907221.0U CN208206304U (en) | 2018-06-12 | 2018-06-12 | A kind of radium-shine cigarette-brand color difference measuring device |
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| CN201820907221.0U CN208206304U (en) | 2018-06-12 | 2018-06-12 | A kind of radium-shine cigarette-brand color difference measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542539A (en) * | 2019-06-23 | 2019-12-06 | 江苏同胜光电科技有限公司 | Chromatic aberration measuring device for optical lens |
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2018
- 2018-06-12 CN CN201820907221.0U patent/CN208206304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542539A (en) * | 2019-06-23 | 2019-12-06 | 江苏同胜光电科技有限公司 | Chromatic aberration measuring device for optical lens |
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