CN109556723A - A kind of ceramics color detection device and its detection method - Google Patents
A kind of ceramics color detection device and its detection method Download PDFInfo
- Publication number
- CN109556723A CN109556723A CN201910036979.0A CN201910036979A CN109556723A CN 109556723 A CN109556723 A CN 109556723A CN 201910036979 A CN201910036979 A CN 201910036979A CN 109556723 A CN109556723 A CN 109556723A
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- ceramic
- light
- light source
- color
- camera module
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- 239000000919 ceramic Substances 0.000 title claims abstract description 66
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 230000013011 mating Effects 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 17
- 229920001342 Bakelite® Polymers 0.000 claims description 2
- 239000004637 bakelite Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010197 meta-analysis Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0202—Mechanical elements; Supports for optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The present invention discloses a kind of ceramic color detection device and its detection method, device includes light box, including for installing ceramic to be measured cavity and 6 have a perforative unthreaded hole on the mounting portion for installing the mounting portion of camera module, the unthreaded hole goes out light for light in cavity；Light source, is contained in the cavity and the light-emitting surface of the light source；Equal mating plate is contained in the cavity, and between the light source and the mounting portion；Camera module is set to six inner walls of cavity, for shooting ceramic to be measured；And image processing unit, it can be electrically connected with camera module, the image of ceramic to be measured be shot for receiving camera module, and analyze and obtain the Lab chromaticity coordinate value of the image.The present invention is able to detect entire ceramic, and keeps test condition stable and consistent, so as to obtain accurate color test result.
Description
Technical field
The present invention relates to ceramic color detection fields, more particularly, to a kind of ceramic color detection device and its detection
Method.
Background technique
Ceramics development history be Chinese civilization history an important component part, China as four major acids ancient country it
One, brilliant contribution is made that for mankind's social progress and development, wherein the invention and development of ceramics have more unique meaning
Justice, each Chao Gedai has different artistic styles and different technical characteristics on Chinese history.Ancient Times in China, it is total from complicated color
It is green, red, yellow, black, white that knot summarizes " five colors "-.Be known as color black, white, it is green, red, yellow be known as it is color be classified as it is most pure just
Color, remaining is all known as " secondary color ".
With the raising that human society is lived into people's high-tech information age, human material, consumption demand is enjoyed by substance
It is transferred to higher level spiritual demand by turn, this requires Ceramics art designs towards having personalization, is full of human touches
Direction is developed.In design of ceramic products exploitation, often there is these types of " solid colour " incessantly.In the ceramic process of reproduction
Need it is comprehensive color is controlled, it is excessive to avoid color difference, influence ceramic beauty.The floral designs of ceramics are more and more,
Color is more and more in riotous profusion colorful, this requirement to previous artificial detection undoubtedly greatly improves.And the detection of ceramic color is past at present
Toward being to be put into spectrophotometric color measurement instrument detection by a piece of tile sample, often there is error in tile sample and ceramic；And it surveys
External environment is usually required during color to need to be consistent for a long time, otherwise will affect test result.
Summary of the invention
It is an object of the invention to solve the prior art appearance can only a piece of tile sample be put into spectrophotometric color measurement instrument detection,
Often there is error in tile sample and ceramic；Colour examining process external environment needs to keep inconsistent for a long time, influences
The problem of test result, provides a kind of ceramic color detection device.
A kind of ceramics color detection device, including light box, including for installing ceramic to be measured cavity and 6 be used for
The mounting portion for installing camera module, there is a perforative unthreaded hole on the mounting portion, and the unthreaded hole goes out for light in cavity
Light；Light source, is contained in the cavity and the light-emitting surface of the light source；Equal mating plate is contained in the cavity, and is located at described
Between light source and the mounting portion；Camera module is set to six inner walls of cavity, for shooting ceramic to be measured；And figure
As processing unit, it can be electrically connected with camera module, the image of ceramic to be measured is shot for receiving camera module,
And it analyzes and obtains the Lab chromaticity coordinate value of the image.
A kind of detection method of ceramics color detection device, comprising: an above-mentioned ceramic color detection device is provided；It will be to
The ceramic of survey is installed on the mounting portion, and camera module is made to be directed at the ceramic to be measured；It is taken the photograph by described
As head module light sensing and image is formed, and image is passed into described image processing unit；It is handled by described image single
Meta analysis obtains the Lab chromaticity coordinate value (R, G, B) of the image, by the Lab chromaticity coordinate ratio (R/G, the B/ that calculate the image
G), and by the Lab chromaticity coordinate ratio compared with a standard value range pair, if the Lab chromaticity coordinate ratio falls into institute
Standard value range is stated, judges that the color of the ceramic to be measured is consistent, otherwise, judges the color of the ceramic to be measured not
Unanimously.
Beneficial effects of the present invention:
The present invention is able to detect entire ceramic, and by one light box of setting, and makes the light of light source sending using equal mating plate
Uniform and stable, to make when detecting to ceramic, test condition is stable and consistent, more accurate so as to obtain
Color test result.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the Three-dimensional combination diagram of ceramic color detection device provided in an embodiment of the present invention.
Fig. 2 is the decomposition diagram of ceramic color detection device provided in an embodiment of the present invention.
Fig. 3 is the decomposition diagram of the light box of the ceramic color detection device in Fig. 2.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figure 1 and Figure 2, a kind of ceramic color detection device 100 of the present embodiment, including workbench 10, it is set to work
Light box fixing piece 20 above 10 table top of platform, the light box 30 below 10 table top of workbench, the light inside light box 30
Equal mating plate 50 that 40, two, source is set to inside light box 30, display unit 60, the image procossing being electrical connected with display unit 60
Unit 70 and fan 80.
Workbench 10 includes first support 102, second support 103, the first table top 104 and the second table top 105.Described first
Table top 104 is equipped with the mounting hole 101 of a perforation, and the mounting hole 101 is for disposing the light box 30.In the present embodiment, institute
It states the first table top 104 to support by the first support 102, the first support 102 is also connected with a second support 103, institute
The height for stating second support 103 is less than the height of the first support 102, and second table top 105 passes through the second support
103 supports, second table top 105 is for carrying the light box 30 and the fan 80.
The light box 30 includes opposite top plate 301, bottom plate 302 and the side being connected between top plate 301 and bottom plate 302
Plate 303.The top plate 301, bottom plate 302, side plate 303 of bakelite plate by being made, and substantially seamless connection, to preferably keep
Temperature inside light box 30.Center in the top plate 301, bottom plate 302 and four side plates 303 is formed with one for pacifying
The mounting portion 3011(diagram of dress camera module only indicates the mounting portion 3011 on top plate 301).3011 center of mounting portion
Position is formed with a unthreaded hole 3012 for running through the mounting portion 3011, and the unthreaded hole 3012 is to go out light for the light box 30,
Light i.e. in light box 30 can be projected from the unthreaded hole 3012 to the camera module for being installed on the mounting portion 3011.The bottom
Plate 302 is carried in the second support 103.
The top plate 301, bottom plate 302 and the side plate 303 surround to form a cavity 304, and the cavity is for accommodating
The light source 40 and two equal mating plates 50.Zi the close bottom plate 302 to close to the top plate 301 in the cavity 304
It is disposed with light source base 305, the first equal mating plate support plate 306, the second equal mating plate support plate 307 and glass plate 308.It is described
Light source base 305, the first equal mating plate support plate 306 and the second equal mating plate support plate 307 are both secured on the side plate 303.Institute
It states and is provided at least one light source jack 3051 on light source base 305, the light source jack 3051 is used for grafting light source 40.It is described
First equal 306 center of mating plate support plate is equipped with one first equal mating plate accepting hole 3061, the second equal mating plate support plate 307
Center is equipped with the second equal mating plate accepting hole 3071, first and second described equal mating plate accepting hole 3061,3071 is for distinguishing
Accommodate two equal mating plates 50, the diameter and described two light of first and second equal mating plate accepting hole 3061,3071
The diameter of piece 50 is roughly the same.In the present embodiment, the light box 30 and the cavity 304 are tetragonal body shape.The light box 30
Height be 300 millimeters or so, length and width are respectively 180 millimeters and 170 millimeters or so, the first equal mating plate support plate 306 with
The distance between described 40 light-emitting surface of light source is greater than 100 millimeters, between first and second described equal mating plate support plate 306,307
Distance is 100 millimeters or so, and the distance between the second equal mating plate support plate 307 and the top plate 301 are 50 millimeters or so,
The diameter of first and second equal mating plate accepting hole 3061,3071 is 100 millimeters or so.The glass plate 308 is the bottom of apart from
50 millimeters of plate or so, it is used for placing ceramic product；Light source 40 is equipped with below glass plate 308；
The light source 40 is standard sources used in test ceramic color, and the light source 40 can be plugged in the light source and insert
Hole 3051.The light source 40 is incandescent light source, and colour temperature and power can change by adjusting the voltage of light source, the present embodiment
In, its colour temperature is set as the left and right 4700 Kelvins (K), and power is 50 watts (W) Zuo You.
The equal mating plate 50 is the equal mating plate of optical glass, and the light for issuing the light source 40 is more uniform.Two
The equal mating plate 50 can be respectively arranged in first and second described equal mating plate accepting hole 3061,3071 respectively.
The display unit 60 is set on the first table top 104 of the workbench 10, is used to show the camera
The light of module senses is formed by image, is also used to show camera module color detection result.It is described in the present embodiment
Display unit 60 is a display.
Described image processing unit 70 is stored with a series of standard value range (A0 of the Lab coloration ratio under test conditions
± a, C0 ± c).Described image processing unit 70 is electrically connected with the display unit 60, when test also with camera module electricity
Connection.Described image processing unit 70 is analyzed for receiving image captured by camera module and obtains the Lab color of the image
It spends coordinate value (R, G, B), and stores and calculate the Lab chromaticity coordinate value ratio (R/G, B/G) of the image, described image processing
Unit 70 is also used to Lab chromaticity coordinate value ratio and the standard value model by multiple camera modules under same test condition
Comparison is enclosed, to judge whether color of multiple ceramics under same test condition be consistent, and for test result is defeated
Out to the display unit 60.In other embodiments, described image processing unit 70 can not also store the Lab coloration ratio
The standard value range of value and it is not used in judge whether color of multiple ceramics under same test condition be consistent, and is only used for
Analyze the Lab chromaticity coordinate value of ceramic to be measured, calculate Lab chromaticity coordinate ratio and judge color consistency by manually into
Row.
The fan 80 is set to the outside of the light box 30, for cooling down to the light box 30, so that the light box 30
Interior temperature keeps substantially constant.
In the present embodiment, the light source 40, display unit 60, image processing unit 70 and the fan 80 are electric with one
Source is electrically connected.
Test of ceramics method of the present invention the following steps are included:
The first step provides an above-mentioned ceramic color detection device 100；The light source 40 is plugged in the light source base 305
On light source jack 3051, and by described two equal mating plates 50 be respectively arranged in first and second described equal mating plate accepting hole 3061,
In 3071；The light box 30 cooperation is contained in the mounting hole 101 and is consolidated by fixation kit and 10 phase of workbench
It is fixed；
Second step, provides n ceramics to be detected, and n is the natural number greater than 1；
Ceramic to be detected is placed on glass plate 308 by third step, and makes the camera module towards ceramic system
Product；
4th step by the camera module light sensing and forms image, and image is passed to described image processing list
Member 70；Wherein, by 200 light sensing of camera module and when forming image, the voltage that adjustment light source 40 leads to makes
The colour temperature for crossing the light of described two equal mating plates 50 is 3700K.
5th step obtains the Lab chromaticity coordinate value of the image by the analysis of described image processing unit 70, and remembers the seat
Scale value is (R1, G1, B1), and one group of ratio A1=R1/G1, C1=B1/G1 is calculated；By the ratio (A1, C1) and the figure
The standard value range (A0 ± a, C0 ± c) of Lab coloration ratio under this test condition stored as processing unit 70 compares,
Judge whether the ratio ratio (A1, C1) falls into the standard value range, if fallen into, judges that the ceramic detected exists
Color under same test condition is consistent, and test result is exported to the display unit 60, if exceeding the standard value model
It encloses, then judges that color of the ceramic under same test condition is consistent, also export test result to the display unit
60。
6th step repeats third step and the 5th step, until having detected all ceramics to be detected.
The ceramic color detection device 100 and detection method of the technical program embodiment are made by one light box 30 of setting
The light for issuing light source with two equal mating plates 50 is uniform and stable, to make when detecting to camera module 200, tests
Conditional stability and consistent, so as to obtain accurate color consistency test result；In addition, 30 size of light box of this case
It is smaller, testing cost can be saved.
Although the embodiments of the invention are described in conjunction with the attached drawings, but patent owner can be in appended claims
Within the scope of make various deformations or amendments, as long as it does not exceed the scope of protection described in the claims to the invention, all should
Within protection scope of the present invention.
Claims (7)
1. a kind of ceramics color detection device, it is characterised in that: including light box, including the cavity for installing ceramic to be measured
And 6 for installing the mounting portion of camera module, has a perforative unthreaded hole on the mounting portion, the unthreaded hole is in cavity
Light goes out light；Light source, is contained in the cavity and the light-emitting surface of the light source；Equal mating plate is contained in the cavity, and
Between the light source and the mounting portion；Camera module is set to six inner walls of cavity, for shooting ceramics to be measured
Product；And image processing unit, it can be electrically connected with camera module, shoot ceramic system to be measured for receiving camera module
The image of product, and analyze and obtain the Lab chromaticity coordinate value of the image.
2. a kind of ceramic color detection device according to claim 1, it is characterised in that: the light source is incandescent light
Source, colour temperature are 4700 Kelvins or so, and power is 50 watts or so.
3. a kind of ceramic color detection device according to claim 1, it is characterised in that: the light box is by bakelite plate system
At.
4. a kind of ceramic color detection device according to claim 1, it is characterised in that: the quantity of the equal mating plate is two
It is a, and be successively arranged between the light source and the mounting portion.
5. a kind of ceramic color detection device according to claim 4, it is characterised in that: the height of the light box is 300
Millimeter or so, the distance between the light-emitting surface of the light source and adjacent equal mating plate are 100 millimeters or so, between two equal mating plates
Distance be 50 millimeters or so, the distance between the mounting portion and neighbouring equal mating plate be 100 millimeters or so.
6. a kind of ceramic color detection device according to claim 1, it is characterised in that: the storage of described image processing unit
There is the standard value range of the Lab coloration ratio under an at least test condition, described image processing unit is also used to calculate the image
Lab chromaticity coordinate value ratio, and Lab chromaticity coordinate value ratio for will measure compares with the standard value range, judges
Whether the color of the ceramic surveyed in this test condition is consistent.
7. a kind of detection method of ceramics color detection device, comprising: provide a ceramics of any of claims 1-6
Color detection device；Ceramic to be measured is installed on the mounting portion, and camera module is made to be directed at the pottery to be measured
Ceramic products；By the camera module light sensing and image is formed, and image is passed into described image processing unit；It is logical
It crosses described image processing unit to analyze to obtain the Lab chromaticity coordinate value (R, G, B) of the image, by the Lab color for calculating the image
It spends coordinate ratio (R/G, B/G), and by the Lab chromaticity coordinate ratio compared with a standard value range pair, if the Lab color
Degree coordinate ratio falls into the standard value range, judges that the color of the ceramic to be measured is consistent, otherwise, judges described to be measured
The color of ceramic is inconsistent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036979.0A CN109556723A (en) | 2019-01-15 | 2019-01-15 | A kind of ceramics color detection device and its detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910036979.0A CN109556723A (en) | 2019-01-15 | 2019-01-15 | A kind of ceramics color detection device and its detection method |
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| Publication Number | Publication Date |
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| CN109556723A true CN109556723A (en) | 2019-04-02 |
Family
ID=65873183
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| CN201910036979.0A Pending CN109556723A (en) | 2019-01-15 | 2019-01-15 | A kind of ceramics color detection device and its detection method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104761A (en) * | 2013-04-10 | 2014-10-15 | 赛龙通信技术（深圳）有限公司 | Automatic detection system and detection method for mobile phone camera |
| CN106303505A (en) * | 2015-05-29 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Camera module color consistency detection device and detection method |
| CN207351920U (en) * | 2016-12-31 | 2018-05-11 | 深圳眼千里科技有限公司 | Screen testing agency |
-
2019
- 2019-01-15 CN CN201910036979.0A patent/CN109556723A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104761A (en) * | 2013-04-10 | 2014-10-15 | 赛龙通信技术（深圳）有限公司 | Automatic detection system and detection method for mobile phone camera |
| CN106303505A (en) * | 2015-05-29 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Camera module color consistency detection device and detection method |
| CN207351920U (en) * | 2016-12-31 | 2018-05-11 | 深圳眼千里科技有限公司 | Screen testing agency |
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