CN111340017A - Device and method for quickly acquiring waist code of diamond - Google Patents
Device and method for quickly acquiring waist code of diamond Download PDFInfo
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- CN111340017A CN111340017A CN202010235834.6A CN202010235834A CN111340017A CN 111340017 A CN111340017 A CN 111340017A CN 202010235834 A CN202010235834 A CN 202010235834A CN 111340017 A CN111340017 A CN 111340017A
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- 239000010432 diamond Substances 0.000 title claims abstract description 114
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000003672 processing method Methods 0.000 claims description 9
- 238000003384 imaging method Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000012795 verification Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 abstract 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 4
- 239000011521 glass Substances 0.000 description 2
- 238000013441 quality evaluation Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
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Abstract
The invention discloses a device and a method for quickly acquiring a diamond waist code, and relates to the technical field of diamond waist code identification and acquisition. Including camera, area source, diamond sample, lens of amplification, rotary platform, lead screw motor focusing module and adjusting hand wheel, rotary platform's top activity is provided with diamond sample, and one side of diamond sample is provided with the area source, and the side that area source was kept away from to diamond sample is provided with the lens of amplification, and the right side of lens of amplification is provided with the camera, and the bottom of camera is provided with lead screw motor focusing module, is provided with adjusting hand wheel under the lens of amplification. The invention aims to solve the defect that the front waist code is read manually, provides an efficient and full-automatic identification device and method, and is particularly suitable for being matched with fields of automatic detection and verification.
Description
Technical Field
The invention relates to the technical field of diamond waist code identification and acquisition, in particular to a device and a method for quickly acquiring a diamond waist code.
Background
The waist code is a number or a symbol engraved on the waist of the diamond by using a laser technology, the waist code of the diamond is similar to an identification number of the diamond, the waist of the diamond is generally identified by a diamond processing party or a diamond quality detecting party, such as GIA (national institute of precious stones), NGTC (national jewelry and jade detection center) and the like, by using a laser method, and the identification code is associated with a production place or a quality evaluation certificate and is a retrieval number for tracing the source quality evaluation of the production place, and the waist code of the diamond is very small and generally about 20um, so that the diamond can be observed by means of an amplifying device.
The existing waist code reading is obtained by visual observation and by means of magnifying glass and microscope methods, and the methods mainly comprise two methods: firstly, through visual observation and observation by means of a magnifying glass and a microscope, manually reading and recording the identification; and secondly, the waist code image is obtained through the adjustment of a mechanical focusing and rotating device and is displayed on a display.
The two methods are characterized in that diamond waist codes are read manually, digitalization cannot be carried out rapidly and automatically, particularly, on some diamond automatic detection production lines, automatic detection and verification cannot be carried out due to manual excessive intervention, the device solves the problem of automatic identification of the diamond waist codes, improves efficiency, is particularly suitable for places with automatic detection and verification, and therefore, the device and the method for rapidly acquiring the diamond waist codes are provided for solving the problem.
Disclosure of Invention
The invention provides a device and a method for quickly acquiring a diamond waist code, which have the advantages of high efficiency and full-automatic identification and are particularly suitable for being used in a matching manner in an automatic detection and verification field, so that the problem that the waist code is read manually at the moment of vision is solved.
In order to realize the purposes of high efficiency and full-automatic identification and being particularly suitable for matching use in fields of automatic detection and verification, the invention provides the following technical scheme: including camera, area source, diamond sample, magnifying lens, rotary platform, lead screw motor focusing module and adjusting hand wheel, rotary platform's top activity is provided with the diamond sample, one side of diamond sample is provided with the area source, a side that the area source was kept away from to the diamond sample is provided with the magnifying lens, the right side of magnifying lens is provided with the camera, the bottom of camera is provided with lead screw motor focusing module, be provided with adjusting hand wheel under the magnifying lens.
As a preferred technical solution of the present invention, the camera is a detector for acquiring a waist code image, and generally, any one of a CCD and a CMOS can be used to digitize the image.
In a preferred embodiment of the present invention, the surface light source is an LED surface light source, which illuminates the inside of a diamond sample, generally a round diamond, with a code on the waist, so that the waist code mark is clearly displayed (see fig. 3).
As a preferred technical scheme of the invention, the rotating platform consists of a stepping motor, a stepping motor controller and a sample table, and the waist codes are only distributed in a very small arc surface of the round drill-shaped waist part, so that the sample table is required to be rotated by a hand wheel and a communication mode to find the specific positions of the waist codes.
As a preferable technical scheme of the invention, the lead screw motor focusing module adopts the lead screw motor to focus to make the waist images of diamonds of different sizes clear due to different sizes and diameters of the diamonds.
As a preferred technical scheme of the invention, the adjusting hand wheel can control the movement of the stepping motor by using a hand wheel and a communication mode, so as to realize focusing and platform rotation and adjust the definition of images, and the platform rotation controls the movement speed and direction of the motor by using a knob and a key in a computer communication mode.
In a preferred embodiment of the present invention, the diamond sample may be fixed by a vacuum adsorption device.
The invention relates to a preferred technical scheme, which at least comprises a surface light source for illuminating the interior of a diamond sample, a camera shooting and image acquisition system and a focusing and rotating device, and the device comprises a screw rod motor focusing module and a rotating platform which are not limited to be driven by a stepping motor, wherein the rotating platform is provided with a circumference circle mark so as to enable a round diamond to be placed in the center of a rotating shaft.
As a preferred technical scheme of the invention, the waist code identifier is identified by acquiring the waist code image through image processing methods such as a computer or a built-in microprocessing system, a binary image, modeling and the like, and the waist code identifier can also be returned by transmitting the image through a cloud platform.
A method for quickly acquiring a diamond waist code comprises the following steps:
s1, placing the diamond sample on a rotating platform, and opening a surface light source to illuminate the interior of the diamond sample;
s2, adjusting the imaging focal length through a screw motor to make the waist image of the diamond clear;
s3, the rotary platform finds the position of the waist and centers the waist;
s4, adjusting the imaging focal length again through the screw motor to enable the diamond waist code mark to be clear;
s5, the camera collects clear waist code images;
s6, automatically recognizing the waist code by adopting an image processing method according to the waist code image;
s7, comparing the recognized waist code with the image to carry out debugging processing;
and S8, saving the waist code result.
Compared with the prior art, the invention provides a device and a method for quickly acquiring a diamond waist code, which have the following beneficial effects:
the invention provides a device and a method for quickly acquiring a diamond waist code, aims to overcome the defect that the front waist code is manually read, provides an efficient and full-automatic identification device and method, is particularly suitable for being matched with fields of automatic detection and verification, solves the problem of automatic identification of the diamond waist code, improves the efficiency, is particularly suitable for the fields of automatic detection and verification, and has better market popularization value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the test of the present invention;
FIG. 3 is a waist code sampled image of the present invention;
fig. 4 is a schematic diagram of waist code identification and manual debugging according to the present invention.
In the figure: 1. a camera; 2. a surface light source; 3. a diamond sample; 4. magnifying a lens; 5. rotating the platform; 6. a lead screw motor focusing module; 7. and adjusting a hand wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Implementing one step:
referring to fig. 1-4, the invention discloses a camera 1, a surface light source 2, a diamond sample 3, an amplifying lens 4, a rotary platform 5, a screw motor focusing module 6 and an adjusting handwheel 7, wherein the diamond sample 3 is movably arranged at the top of the rotary platform 5, the surface light source 2 is arranged at one side of the diamond sample 3, the amplifying lens 4 is arranged at one side of the diamond sample 3 away from the surface light source 2, the camera 1 is arranged at the right side of the amplifying lens 4, the screw motor focusing module 6 is arranged at the bottom of the camera 1, and the adjusting handwheel 7 is arranged right below the amplifying lens 4.
Specifically, the camera 1 is a detector for collecting a waist code image, and a CCD can be used to digitize the image.
Specifically, the area light source 2 is composed of an LED area light source, the area light source illuminates the inside of the diamond sample 3 to clearly display the waist code mark (see fig. 3), the diamond sample 3 is generally a round diamond, the waist has a code, and the magnifying lens 4 is usually magnified by 2-5x because the waist code of the diamond is very small, usually about 20 um.
Specifically, the rotary platform 5 is composed of a stepping motor, a stepping motor controller and a sample table, and the waist code is only distributed in a very small arc surface of the round drill-shaped waist part, so that the sample table needs to be rotated in a hand wheel and communication mode to find out the specific position of the waist code.
Specifically, the lead screw motor focusing module 6 adopts the lead screw motor focusing to make the waist images of diamonds of different sizes clear because the diamonds of different sizes and diameters.
Specifically, the adjusting handwheel 7 can control the movement of the stepping motor by using a handwheel and a communication mode, so as to realize focusing and rotate the platform 5 and adjust the definition of an image, and the rotating platform 5 controls the movement speed and direction of the motor by using a knob and a key in a mode of communicating with a computer.
In particular, the diamond sample 3 may be fixed by a vacuum adsorption device.
Specifically, including at least illuminating 3 inside area light sources 2 of diamond sample, making a video recording and image acquisition system and focusing rotary device, including being not limited to step motor driven lead screw motor focusing module 6 and rotary platform 5, rotary platform 5 has the center of the week circle sign to make circular diamond place at the rotation axis center.
Specifically, the waist code identifier is identified by acquiring the waist code image through a computer or a built-in micro-processing system, a binary image, a modeling and other image processing methods, and the waist code identifier can also be returned by transmitting the image through a cloud platform.
In particular, both an automatic recognition of waist codes (OCR) external system and an embedded system can be implemented.
A method for quickly acquiring a diamond waist code comprises the following steps:
s1, placing the diamond sample 3 on the rotary platform 5, and opening the surface light source 2 to illuminate the interior of the diamond sample 3;
s2, adjusting the imaging focal length through a screw motor to make the waist image of the diamond clear;
s3, the rotary platform 5 finds the position of the waist and centers the waist;
s4, adjusting the imaging focal length again through the screw motor to enable the diamond waist code mark to be clear;
s5, the camera 1 collects clear waist code images;
s6, automatically recognizing the waist code by adopting an image processing method according to the waist code image;
s7, comparing the recognized waist code with the image to carry out debugging processing;
and S8, saving the waist code result.
The second implementation:
referring to fig. 1-4, the invention discloses a camera 1, a surface light source 2, a diamond sample 3, an amplifying lens 4, a rotary platform 5, a screw motor focusing module 6 and an adjusting handwheel 7, wherein the diamond sample 3 is movably arranged at the top of the rotary platform 5, the surface light source 2 is arranged at one side of the diamond sample 3, the amplifying lens 4 is arranged at one side of the diamond sample 3 away from the surface light source 2, the camera 1 is arranged at the right side of the amplifying lens 4, the screw motor focusing module 6 is arranged at the bottom of the camera 1, and the adjusting handwheel 7 is arranged right below the amplifying lens 4.
Specifically, the camera 1 is a detector for acquiring a waist code image, and the image can be digitized by adopting a CMOS.
Specifically, the area light source 2 is composed of an LED area light source, the area light source illuminates the inside of the diamond sample 3 to clearly display the waist code mark (see fig. 3), the diamond sample 3 is generally a round diamond, the waist has a code, and the magnifying lens 4 is usually magnified by 2-5x because the waist code of the diamond is very small, usually about 20 um.
Specifically, the rotary platform 5 is composed of a stepping motor, a stepping motor controller and a sample table, and the waist code is only distributed in a very small arc surface of the round drill-shaped waist part, so that the sample table needs to be rotated in a hand wheel and communication mode to find out the specific position of the waist code.
Specifically, the lead screw motor focusing module 6 adopts the lead screw motor focusing to make the waist images of diamonds of different sizes clear because the diamonds of different sizes and diameters.
Specifically, the adjusting handwheel 7 can control the movement of the stepping motor by using a handwheel and a communication mode, so as to realize focusing and rotate the platform 5 and adjust the definition of an image, and the rotating platform 5 controls the movement speed and direction of the motor by using a knob and a key in a mode of communicating with a computer.
In particular, the diamond sample 3 may be fixed by a vacuum adsorption device.
Specifically, including at least illuminating 3 inside area light sources 2 of diamond sample, making a video recording and image acquisition system and focusing rotary device, including being not limited to step motor driven lead screw motor focusing module 6 and rotary platform 5, rotary platform 5 has the center of the week circle sign to make circular diamond place at the rotation axis center.
Specifically, the waist code identifier is identified by acquiring the waist code image through a computer or a built-in micro-processing system, a binary image, a modeling and other image processing methods, and the waist code identifier can also be returned by transmitting the image through a cloud platform.
In particular, both an automatic recognition of waist codes (OCR) external system and an embedded system can be implemented.
A method for quickly acquiring a diamond waist code comprises the following steps:
s1, placing the diamond sample 3 on the rotary platform 5, and opening the surface light source 2 to illuminate the interior of the diamond sample 3;
s2, adjusting the imaging focal length through a screw motor to make the waist image of the diamond clear;
s3, the rotary platform 5 finds the position of the waist and centers the waist;
s4, adjusting the imaging focal length again through the screw motor to enable the diamond waist code mark to be clear;
s5, the camera 1 collects clear waist code images;
s6, automatically recognizing the waist code by adopting an image processing method according to the waist code image;
s7, comparing the recognized waist code with the image to carry out debugging processing;
and S8, saving the waist code result.
The working principle and the using process of the invention are as follows: when the diamond waist code scanning device is used, a diamond sample 3 is placed on a rotating platform 5 controlled by a stepping motor, an area light source 2 is opened to illuminate the interior of the diamond sample 3, the diamond waist code contrast is larger, a camera 1 connected with a microscopic magnifying lens 4 is used for collecting a diamond waist image, a screw rod motor module 6 horizontal motion function starts image scanning, a processing system judges the clear position of the image according to the mirror sharpness value of the image, so that a diamond waist clear image is obtained, the rotating platform 5 finds the position of the waist code, the camera 1 takes the clear waist code image and transmits the clear waist code image to a computer, the processing device automatically identifies the waist code through an image processing method, and the accurate diamond waist code is obtained through system image identification and manual rechecking.
In summary, the invention provides a high-efficiency and full-automatic identification device and method for rapidly acquiring a diamond waist code, aiming at solving the defect that the waist code is manually read in the prior art, and the device and method are particularly suitable for being matched with fields of automatic detection and verification.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a quick acquisition device of diamond waist sign indicating number, includes camera (1), area source (2), diamond sample (3), magnifying lens (4), rotary platform (5), lead screw motor focusing module (6) and adjusting hand wheel (7), its characterized in that: the diamond sample (3) is movably arranged at the top of the rotating platform (5), a surface light source (2) is arranged on one side of the diamond sample (3), an amplifying lens (4) is arranged on one side face, far away from the surface light source (2), of the diamond sample (3), a camera (1) is arranged on the right side of the amplifying lens (4), a lead screw motor focusing module (6) is arranged at the bottom of the camera (1), and an adjusting hand wheel (7) is arranged under the amplifying lens (4).
2. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: the camera (1) is a detector for collecting waist code images, can generally adopt any one of a CCD (charge coupled device) and a CMOS (complementary metal oxide semiconductor), and can digitize the images.
3. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: the area light source (2) is composed of an LED (light emitting diode) area light source, the area light source illuminates the inside of the diamond sample (3) to clearly display the waist code mark, the diamond sample (3) is generally a round diamond, and the waist part of the diamond sample is provided with a code.
4. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: the rotary platform (5) consists of a stepping motor, a stepping motor controller and a sample platform, and the waist codes are only distributed in a very small arc surface of the round drill-shaped waist part, so that the sample platform needs to be rotated in a hand wheel and communication mode to find the specific positions of the waist codes.
5. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: the lead screw motor focusing module (6) adopts the lead screw motor to focus to enable the waist images of diamonds of different sizes to be clear due to the fact that the diamonds are different in size and diameter.
6. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: the adjusting hand wheel (7) can control the movement of the stepping motor by using a hand wheel and communication mode, so that focusing and platform (5) rotation are realized, the definition of an image is adjusted, and the rotation platform (5) controls the movement speed and direction of the motor by using a knob and a key in a computer communication mode.
7. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: the diamond sample (3) can be fixed by a vacuum adsorption device.
8. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: including at least illuminating inside area source (2), making a video recording and image acquisition system and focusing rotary device of diamond sample (3), including not being limited to step motor driven lead screw motor focusing module (6) and rotary platform (5), rotary platform (5) have the centre of the circle circular sign to make circular diamond place in the rotation axis center.
9. The device for rapidly acquiring the waist size of the diamond according to claim 1, wherein: the waist code identification is recognized by image processing methods of acquiring a waist code image, such as a computer, a built-in micro-processing system, a binary image, modeling and the like, and the waist code identification can also be returned by transmitting the image through a cloud platform.
10. A method for rapidly acquiring a diamond waist code is characterized by comprising the following steps: the method comprises the following steps:
s1, placing the diamond sample (3) on a rotary platform (5), and opening a surface light source (2) to illuminate the interior of the diamond sample (3);
s2, adjusting the imaging focal length through a screw motor to make the waist image of the diamond clear;
s3, finding the waist position by the rotary platform (5) and centering;
s4, adjusting the imaging focal length again through the screw motor to enable the diamond waist code mark to be clear;
s5, the camera (1) collects clear waist code images;
s6, automatically recognizing the waist code by adopting an image processing method according to the waist code image;
s7, comparing the recognized waist code with the image to carry out debugging processing;
and S8, saving the waist code result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010235834.6A CN111340017A (en) | 2020-03-30 | 2020-03-30 | Device and method for quickly acquiring waist code of diamond |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010235834.6A CN111340017A (en) | 2020-03-30 | 2020-03-30 | Device and method for quickly acquiring waist code of diamond |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036533A (en) * | 2020-07-21 | 2020-12-04 | 广州智柏钻石有限公司 | Diamond identity mark manufacturing method, identification method and system |
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| US20140320638A1 (en) * | 2013-04-25 | 2014-10-30 | Hon Hai Precision Industry Co., Ltd. | Electronic device and method for detecting surface flaw of sample |
| CN206440884U (en) * | 2016-12-09 | 2017-08-25 | 深圳市胜林科技有限公司 | Diamond encodes microscopic structure |
| CN107727657A (en) * | 2017-10-20 | 2018-02-23 | 中国地质大学（武汉） | A kind of diamond identity authentication instrument |
| CN108896546A (en) * | 2018-04-13 | 2018-11-27 | 山东省计量科学研究院 | A kind of grading automatical measuring device of diamond color |
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2020
- 2020-03-30 CN CN202010235834.6A patent/CN111340017A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140320638A1 (en) * | 2013-04-25 | 2014-10-30 | Hon Hai Precision Industry Co., Ltd. | Electronic device and method for detecting surface flaw of sample |
| CN206440884U (en) * | 2016-12-09 | 2017-08-25 | 深圳市胜林科技有限公司 | Diamond encodes microscopic structure |
| CN107727657A (en) * | 2017-10-20 | 2018-02-23 | 中国地质大学（武汉） | A kind of diamond identity authentication instrument |
| CN108896546A (en) * | 2018-04-13 | 2018-11-27 | 山东省计量科学研究院 | A kind of grading automatical measuring device of diamond color |
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| CN112036533A (en) * | 2020-07-21 | 2020-12-04 | 广州智柏钻石有限公司 | Diamond identity mark manufacturing method, identification method and system |
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Application publication date: 20200626 |