CN207472785U - Diamond lamp source diamond measuring instrument - Google Patents
Diamond lamp source diamond measuring instrument Download PDFInfo
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- CN207472785U CN207472785U CN201721632340.1U CN201721632340U CN207472785U CN 207472785 U CN207472785 U CN 207472785U CN 201721632340 U CN201721632340 U CN 201721632340U CN 207472785 U CN207472785 U CN 207472785U
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Abstract
The utility model is related to jewel detection fields, provide a kind of diamond lamp source diamond measuring instrument.A kind of diamond lamp source diamond measuring instrument, including processor, light source assembly, image collecting device and sample stage for placing sample, light source assembly provides the incident ray for being radiated at the sample on sample stage, and image collecting device is used to acquire the image that sample reflection incident ray is formed；Processor for receive by image acquisition device to image and obtain the optical parameter of sample using the image processing and analyzing；The vertical range of light source assembly and sample stage is 50 120mm, and horizontal distance is 20 60mm.The optical parameter of diamond lamp source diamond measuring instrument energy directly determination sample can effectively, objectively evaluate the optical effect of diamond.
Description
Technical field
The utility model is related to jewel detection field more particularly to a kind of diamond lamp source diamond measuring instruments.
Background technology
It is the strong reflection generated due to its special cut to incident ray that diamond is bright, these reflexs are divided into bright
Light, fire are color and flicker, merging are known as brightness (Brilliance).In order to evaluate the quality of diamond brightness, traditionally, pass through
The cut parameter (geometric parameter including cut, symmetrical degree, polishing) of diamond is evaluated.The basic principle of these methods
Establish Marcel Tolkowsky to diamond it is optical two dimension research on the basis of (《Diamond Design:A Study of
the Reflection and Refraction of Light in a Diamond》), that is to say, that optical effect of diamond
Evaluation is realized by the evaluation of indirect cut parameter.
However cut parameter is difficult to describe the optical effect of a specific diamond, it is impossible to the figure of diamond reflection light be depicted
Case, often identical different diamonds of cut parameter, with different optical effects, with different Christmas tree patterns, therefore basis
Cut parameter is difficult to be accurately judged to the quality of optical effect of diamond.
Utility model content
The purpose of this utility model is to provide a kind of diamond lamp source diamond measuring instrument, the optics of energy directly determination sample
Parameter can effectively, objectively evaluate the optical effect of diamond.
In order to solve the above technical problems, utility model uses technical solution as described below.A kind of diamond lamp source diamond
Measuring instrument, including processor, light source assembly, image collecting device and sample stage for placing sample, the light source assembly carries
It is located at the incident ray of sample on sample stage for being radiated at, described image harvester reflects the incident light for acquiring sample
The image that line is formed；Described image harvester is connected with the processor, and the processor is for reception by Image Acquisition
Device the image collected simultaneously obtains the optical parameter of sample using the image processing and analyzing；The center of the sample stage and image
The center of harvester is located on same central axes；The vertical range of the light source assembly and sample stage is 50-120mm, horizontal
Distance is 20-60mm；The diamond lamp source diamond measuring instrument further includes the driving mechanism for sample stage to be driven to be rotated.
Preferably, the light source assembly includes lamp box, sets lamp bead in lamp box, the one side of the lamp box towards sample stage is
Translucent astigmatism plate.
Preferably, the lamp box be rectangle lamp box, the length of 80-200mm, width 20-80mm.
Preferably, the lamp bead is arranged in matrix.
Preferably, the driving mechanism includes stepper motor and synchronous belt, and the synchronous belt is connected with sample stage.
Preferably, the diamond lamp source diamond measuring instrument further includes the cabinet with a cabinet panel, the sample stage
It is set on cabinet panel, the light source assembly and image collecting device are set in cabinet.
Preferably, the cabinet panel is equipped with chassis lid and for the control of annular light source to be controlled to switch.
Preferably, the processor further includes display device.
The beneficial effects of the utility model are：
The utility model provides a kind of diamond lamp source diamond measuring instrument, by providing incident ray, and acquires sample
The image that reflection incident ray is formed handles analysis using acquired image and obtains the optical parameter of sample；Relative to existing
There is the optical effect for evaluating diamond in technology indirectly by cut parameter, which can directly measure
The optical parameter of sample can effectively, objectively evaluate the optical effect of diamond.
When diamond is merchandised, diamond is typically observed under diamond lamp, and the light source assembly of the utility model is then simulation
Diamond lamp source, institute during reduction diamond transaction obtain test data and as a result, have great it is observed that the state of diamond
Directive significance；The light source assembly also has the advantages of simple in structure, easily fabricated；Driving mechanism can drive sample stage to rotate,
It, can be to being tested during sample different angle, so as to improve the accuracy of test result so as to which sample be driven to be rotated.The brill
Stone lamp source diamond measuring instrument application prospect is good, can be used for the evaluation of diamond processing quality, can effectively improve in process and bore
Quality that stone is cut, the yield rate of diamond；The diamond lamp source diamond measuring instrument can be additionally used in the quality inspection of diamond finished product, bore
The displaying of the brightness of Shishou decorations, contributes to the quality control and business promotion of diamond jewelry.
Description of the drawings
Fig. 1 is the structure diagram of diamond lamp source diamond measuring instrument provided by the utility model.
Fig. 2 is the plan structure signal of light source assembly in diamond lamp source diamond measuring instrument provided by the utility model
Figure.
Fig. 3 is the flow diagram of diamond measuring method provided by the utility model.
Specific embodiment
To make those of ordinary skill in the art that the purpose, technical scheme and advantage of utility model be more clearly understood,
Utility model is further elaborated below in conjunction with drawings and examples.
Embodiment one
As shown in Figure 1, a kind of diamond lamp source diamond measuring instrument, including processor 4, light source assembly 2, image collecting device
3 and the sample stage 1 for placing sample 17, the light source assembly 2 provides the incident light for being radiated at the sample 17 on sample stage 1
Line, described image harvester 3 reflect the image that the incident ray is formed for acquiring sample 17；Described image acquisition dress
It puts 3 with the processor 4 to be connected, the processor 4 by 3 the image collected of image collecting device and utilizes the figure for reception
As processing analysis obtains the optical parameter of sample 17；The center of the sample stage 1 is located at same with the center of image collecting device 3
On central axes 8；The vertical range of the light source assembly 2 and sample stage 1 is 50-120mm, horizontal distance 20-60mm；The brill
Stone lamp source diamond measuring instrument further includes the driving mechanism for sample stage 1 to be driven to be rotated.
The utility model provides a kind of diamond lamp source diamond measuring instrument, by providing incident ray, and acquires sample
The image that reflection incident ray is formed handles analysis using acquired image and obtains the optical parameter of sample；Relative to existing
There is the optical effect for evaluating diamond in technology indirectly by cut parameter, which can directly measure
The optical parameter of sample 17 can effectively, objectively evaluate the optical effect of diamond.When diamond is merchandised, typically boring
Diamond is observed under stone lamp, and the light source assembly 2 of the utility model is then to simulate diamond lamp source, reduction diamond transaction when institute's energy
It observes the state of diamond, and obtains test data and as a result, with great directive significance；The light source assembly 2 also has knot
Structure is simple, it is easily fabricated the advantages of；Driving mechanism can drive sample stage 1 to rotate, can be to sample so as to which sample 17 be driven to be rotated
It is tested during 17 different angle of product, so as to improve the accuracy of test result.Before diamond lamp source diamond measuring instrument application
Jing Hao can be used for the evaluation of diamond processing quality, can effectively improve the finished product of quality, diamond that diamond is cut in process
Rate；The diamond lamp source diamond measuring instrument can be additionally used in the quality inspection of diamond finished product, and the displaying of the brightness of diamond jewelry has
Help the quality control and business promotion of diamond jewelry.
Preferably, the driving mechanism includes stepper motor 13 and synchronous belt 14, the synchronous belt 14 and sample stage 1
It is connected.Stepper motor 13 has the advantages that precision height, good reliability, and sample stage 1 is driven to rotate by synchronous belt 14, protects
Demonstrate,prove the stability of rotation.Horizontal swing error is not more than 0.1mm when sample stage 1 rotates.It is preferred that stepper motor 13 passes through electricity
Cable is connected with processor 4, and the rotation of stepper motor 13 is controlled by the dedicated program of processor 4.
Preferably, the light source assembly 2 includes lamp box, setting lamp bead 15 in lamp box, and the lamp box is towards the one of sample stage 1
Face is translucent astigmatism plate 16.Diamond lamp source can be simulated well in this way, in certain embodiments, the lamp bead 15
For white light lamp bead, the astigmatism plate 16 is white translucent astigmatism plate.It is preferred that the lamp box is rectangle lamp box, length
It spends for 80-200mm, width 20-80mm.In certain embodiments, the length of the lamp box is 100mm, and width is
40mm。
It is appreciated that the vertical range of light source assembly 2 described above and sample stage 1 is 50-120mm, horizontal distance
For 20-60mm, the vertical range at the as center of lamp box and sample stage 1 is 50-120mm, horizontal distance 20-60mm.One
In a little specific embodiments, the vertical range of the light source assembly 2 and sample stage 1 is 80mm, horizontal distance 40mm, as
The center of lamp box is 80mm, horizontal distance 40mm with the vertical range of sample stage 1.
Also referring to Fig. 2, since astigmatism plate 16 is translucent, it is not shown in figure.Preferably, the lamp bead 15 is in
Matrix is arranged, and ensures luminous intensity and the uniformity.Can be that as illustrated in the drawing, lamp bead 15 is arranged in 4*10 matrixes；One
In a little preferred embodiments, lamp bead 15 is arranged in 3*16 matrixes.Specifically, the lamp bead 15 is the white light Led lamps of diameter 3mm
Pearl.
It please refers to Fig.1, it is preferable that the sample stage 1 includes lamina of septum pellucidum 11 and the light for fixing the sample 17
Door screen 12.Sample 17 is fixed by diaphragm 12, center of the sample 17 always situated in sample stage 1 is can guarantee, effectively improves survey
The stability and accuracy of amount.It is preferred that the lamina of septum pellucidum 11 is circle, a diameter of 9-40mm.The diaphragm 12 can
To be that manually or automatically, in certain embodiments, the diaphragm 12 is manual diaphragm.
In some embodiments, the diamond lamp source diamond measuring instrument further includes the cabinet 5 with a cabinet panel 6,
The sample stage 1 is set on cabinet panel 6, and the light source assembly 2 and image collecting device 3 are set in cabinet 5.Specifically
As shown in fig. 1, the sample stage 1 is located at 5 outside of cabinet, and the light source assembly 2 is located in cabinet 5.Preferably, in cabinet 5
Interior setting supporting plate 7, sets or installs the light source assembly 2 and image collecting device 3 on supporting plate 7.Preferably, the machine
Case panel 6 is equipped with chassis lid 10, can play the role of hood.Preferably, the cabinet panel 6 is equipped with to control light
The control switch 9 of source component 2, convenient for controlling light source assembly 2.In some embodiments, it is also possible to it is that the processor 4 is used to control
The light source assembly 2 or the processor 4 are made by controlling switch 9 to control light source assembly 2.
The processor 4 can as shown in fig. 1, be positioned in cabinet 5, it is of course possible to be arranged on outside cabinet 5.One
In a little preferred embodiments, the processor 4 further includes display device, can show 3 the image collected of image collecting device,
The method that the reproduction of these images provides directly observation sample optical effect so that the brightness of diamond more can be opened up intuitively
Show and recognize, be conducive to show glamour and the business promotion of diamond.Such as the processor 4 be computer, the screen of computer
Curtain is display device.
Embodiment two
A kind of diamond measuring method using the diamond lamp source diamond measuring instrument provided in embodiment one, obtains multigroup
Image collecting device institute the image collected during sample rotational angle difference, processing analysis obtain the optical parameter of sample.Using
Measurement of the above-mentioned diamond lamp source diamond measuring instrument to sample progress optical parameter, the optical parameter of energy directly determination sample,
It can effectively, objectively evaluate the optical effect of diamond.And the diamond measuring method have it is easy to operate, test result is accurate
The advantages of true.And the diamond measuring method can be to testing, so as to improve the accurate of test result during sample different angle
Degree.The diamond measuring method application prospect is good, can be used for the evaluation of diamond processing quality, can effectively improve diamond in process
Quality, the yield rate of diamond cut；The diamond measuring method can be additionally used in the quality inspection of diamond finished product, diamond jewelry it is bright
The displaying of brightness contributes to the quality control and business promotion of diamond jewelry.
Also referring to shown in Fig. 1 and Fig. 3, the explanation of the diamond lamp source diamond measuring instrument in foundation embodiment one can
To understand, the diamond measuring method includes：
Step S1：Start the diamond lamp source diamond measuring instrument, image when obtaining multigroup 17 rotational angle difference of sample
3 the image collected of harvester.Specifically, lighting light source assembly 2, that is, all lamp beads 15 are lighted, what lamp bead 15 was sent out
Light is to be radiated at the incident ray of the sample 17 on sample stage 1, image collecting device 3 acquire sample 17 reflect it is described enter
Penetrate the image that light is formed；Then sample is driven by synchronous belt 14 using driving mechanism namely control stepper motor 13
Platform 1 and on sample stage 1 sample 17 rotation, complete rotation after repeat obtain sample 17 reflect incident ray institute shape
Into image.It is appreciated that the angle of rotation can be adjusted according to actual demand, and each sample 17 can carry out it is more
Secondary rotation obtains multiple series of images.It is appreciated that in practical operation, preferably it is, in the same direction, such as clockwise or inverse time
Needle continuously acquires image.
Step S2：The processor 4 receives by the collected all images of image collecting device 3 and utilizes all images
Reason analysis obtains the optical parameter of sample.
Preferably, 3 the image collected of image collecting device is digitized information processing to obtain image data and deposit
Storage；Be digitized into being more convenient for after information processing accuracy, the rapidity of data transmission, and storage immediately can effectively protect data
It deposits, convenient for checking.The optical parameter is brightness, the color intensity of fire and scintillation intensity.Therefore, in some preferred embodiments
In, the diamond measuring method further comprises that 3 the image collected of image collecting device is digitized information processing obtains
To image data and store, carrying out analysis using all image datas is calculated the brightness of sample 17, the color intensity of fire and sudden strain of a muscle
Bright intensity.
Further, the analysis of the brightness is calculated as：Read the gray scale of each pixel of collected every image
Value is reflective bright district more than the gray threshold and compared with preset gray threshold, the gray scale of the bright district picture element
The sum of value is the brightness value of the image；The average value of all image brightness values is the brightness value of sample.
The calculation formula of brightness is：
Lzj is the brightness that jth time measures the diamond sample obtained in formula, and Lji is the bright of the i-th picture element in jth image
Angle value, m are the pixel sum of image.
Lz is the brightness value of diamond sample in formula, and Lj is the brightness value of jth image, and m is the total number of image.
Further, the analysis of the color intensity of fire is calculated as：Read each picture element of collected every image
R, G, B value, and calculate hue value, saturation degree and brightness (HSL), the picture element that saturation degree is more than predetermined threshold value with brightness is
Color point, and chroma value is calculated as, fire color value of the sum of the chroma value of color point for the image；The average value of all Image Fire coloured silk values
The color value of fire of as sample.
The calculation formula of fiery coloured silk intensity is：
Lcj is the color intensity of fire that jth time measures the diamond sample obtained in formula, and Lcji is the i-th picture element in jth image
Chroma value, m be image pixel sum.
Lcz is the color intensity of fire of diamond sample in formula, and Lcj is the color value of fire of jth image, and m is the total number of image.
Further, variance of the scintillation intensity for the chromatic value (H, S, L) of the correspondence pixel of adjacent two images
Or the variance of gray value.The calculation formula of scintillation intensity is：
In formula：Dj is squared differences, and SS is the flicker value of sample；J is the serial number of jth image, and K is+1 image of jth
Serial number；Hji opens image, the H values of i-th of picture element for jth；Sji opens image, the S values of i-th of picture element for jth；Lji is
Jth image, the L values of i-th of picture element.M is the number of total picture element of image, and n is that the image number of acquisition subtracts one.
When processor 4 includes display device, the image that each rotation acquisition obtains can be in turn connected into animation, made
A part for test result preserves, and can call broadcasting.
Claims (8)
1. a kind of diamond lamp source diamond measuring instrument, including processor, light source assembly, image collecting device and for placing sample
Sample stage, light source assembly offer is radiated at the incident ray of the sample on sample stage, and described image harvester is used
In the image that the acquisition sample reflection incident ray is formed；Described image harvester is connected with the processor, described
Processor for receive by image acquisition device to image and obtain the Optical Parametric of sample using the image processing and analyzing
Number；It is characterized in that：
The center of the sample stage and the center of image collecting device are located on same central axes；The light source assembly and sample stage
Vertical range be 50-120mm, horizontal distance 20-60mm；The diamond lamp source diamond measuring instrument further includes to drive
The driving mechanism that sample stage is rotated.
2. diamond lamp source diamond measuring instrument as described in claim 1, it is characterised in that：The light source assembly includes lamp box,
Setting lamp bead in lamp box, the one side of the lamp box towards sample stage is translucent astigmatism plate.
3. diamond lamp source diamond measuring instrument as claimed in claim 2, it is characterised in that：The lamp box is rectangle lamp box,
The length of 80-200mm, width 20-80mm.
4. diamond lamp source diamond measuring instrument as claimed in claim 2, it is characterised in that：The lamp bead is arranged in matrix.
5. diamond lamp source diamond measuring instrument as described in claim 1, it is characterised in that：The driving mechanism includes stepping electricity
Machine and synchronous belt, the synchronous belt are connected with sample stage.
6. diamond lamp source diamond measuring instrument as described in claim 1, it is characterised in that：It further includes with a cabinet panel
Cabinet, the sample stage are set on cabinet panel, and the light source assembly and image collecting device are set in cabinet.
7. diamond lamp source diamond measuring instrument as claimed in claim 6, it is characterised in that：The cabinet panel is equipped with cabinet
It covers and for the control of annular light source to be controlled to switch.
8. the diamond lamp source diamond measuring instrument as described in claim any one of 1-7, it is characterised in that：The processor is also
Including display device.
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| CN201721632340.1U CN207472785U (en) | 2017-11-29 | 2017-11-29 | Diamond lamp source diamond measuring instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807129A (en) * | 2017-11-29 | 2018-03-16 | 周大生珠宝股份有限公司 | Diamond lamp source diamond measuring instrument and diamond measuring method |
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- 2017-11-29 CN CN201721632340.1U patent/CN207472785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807129A (en) * | 2017-11-29 | 2018-03-16 | 周大生珠宝股份有限公司 | Diamond lamp source diamond measuring instrument and diamond measuring method |
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