CN106645166A - Detection method of aluminum/aluminum solid bubble cap drug plate - Google Patents
Detection method of aluminum/aluminum solid bubble cap drug plate Download PDFInfo
- Publication number
- CN106645166A CN106645166A CN201611078943.1A CN201611078943A CN106645166A CN 106645166 A CN106645166 A CN 106645166A CN 201611078943 A CN201611078943 A CN 201611078943A CN 106645166 A CN106645166 A CN 106645166A
- Authority
- CN
- China
- Prior art keywords
- medicine plate
- aluminium
- detection method
- solid bubble
- aluminum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003814 drug Substances 0.000 title claims abstract description 81
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 239000007787 solid Substances 0.000 title claims abstract description 24
- 229940079593 drug Drugs 0.000 title claims abstract description 11
- 238000004458 analytical method Methods 0.000 claims abstract description 13
- 238000003708 edge detection Methods 0.000 claims abstract description 9
- 239000004411 aluminium Substances 0.000 claims description 45
- 239000011120 plywood Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000002775 capsule Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a detection method of an aluminum/aluminum solid bubble cap drug plate. The detection method comprises the following steps: S01, beginning to place the aluminum/aluminum solid bubble cap drug plate in a dark environment, emitting light from two sides of the upper part of the aluminum/aluminum solid bubble cap drug plate so that tablets in tablet grooves of the drug plate are in edge black line shadows, and shooting the drug plate from a position over the drug plate; and S02, carrying out edge detection and analysis on the shot picture, acquiring image edge data, and comparing the image edge data to a preset value so as to judge whether the drug plate is qualified or not. The detection method of the aluminum/aluminum solid bubble cap drug plate has the advantages of simplicity and convenience in operation, accurate and rapid detection and the like.
Description
Technical field
The invention mainly relates to food, drug packing technical field, refer in particular to a kind of detection side of aluminium/aluminium solid bubble-cap medicine plate
Method.
Background technology
It is overall monitor packaging quality during the blister package of medicine, capsule or tablet are filled out and put by blister packaging machine
To the bubble-cap of packaging substrate（Feed）Afterwards, on-line checking charging result is needed（Whether fill out in i.e. each bubble-cap and put capsule or medicine
Piece and fill out situations such as putting quantity）, be packaged again when testing result meeting the requirements, the blister package of existing capsule or tablet is normal
That what is seen has two kinds：Aluminium/modeling composite packaging and aluminium/aluminum composite packing, the two sides aluminium foil of aluminium/aluminium packaging is light tight, it is adaptable to seal
Fill photosensitive tablet or capsule.For aluminium/modeling composite packaging, because substrate is transparent material, can be detected using backlight
Method is filled out to one's heart's content condition and is detected to the tablet or capsule in bubble-cap, but for aluminium/aluminum composite packing, because substrate it is opaque, nothing
Method adopts backlight detection method, therefore existing aluminium/aluminum composite packing adopts manual detection mostly, and limitation is more, adopts in addition
With Large area light source irradiation and the color camera of high-resolution big view lens shot, and then analyze, its hardware
Configuration is higher, and the capsule imaging difference that the image pixel for obtaining is more, process is complicated, the used time is longer and different is very big, and aluminium foil
Substrate it is reflective very strong, it is also unintelligible to obtain image, easily judges by accident.
The content of the invention
The technical problem to be solved in the present invention is that：For the technical problem that prior art is present, the present invention provides one
Plant the detection method of the accurate quickly aluminium/aluminium solid bubble-cap medicine plate of easy to operate, detection.
To solve above-mentioned technical problem, technical scheme proposed by the present invention is：
A kind of detection method of aluminium/aluminium solid bubble-cap medicine plate, step is：
S01, beginning, aluminium/aluminium solid bubble-cap medicine plate is placed under dark surrounds, and from the top two of aluminium/aluminium solid bubble-cap medicine plate
Side irradiation light, so that the tablet in the tablet groove of medicine plate is in edge black line shade, and is carried out in the surface of medicine plate to medicine plate
Shoot；
S02, the picture to shooting carry out edge detection analysis, obtain image border data and contrast with preset value, so as to judge
Whether medicine plate is qualified.
As the further improvement of above-mentioned technical proposal：
In step S02, described image MARG include Convex Perimeter features, Circle Fit features and
Size features.
Sequentially successively by Convex Perimeter features, Circle Fit features and Size features and preset value
Contrasted, to judge whether medicine plate is qualified.
In step S01, cover the medicine plate using light shield and place it under dark surrounds, and it is dry from other light sources
Disturb.
In step S02, when judging that medicine plate is unqualified, rejecting operation is carried out to not plywood medicine plate.
In step S01, medicine plate place tablet groove often moves a medicine plate width distance, i.e., medicine plate is once clapped
Take the photograph, until completing fixed number shooting；Then all medicine plate images are spliced.
Compared with prior art, it is an advantage of the current invention that：
The detection method of the aluminium/aluminium solid bubble-cap medicine plate of the present invention, from both sides irradiation light under dark surrounds, makes tablet be in edge
Black line shade, it is ensured that uniformity of each tablet in picture, is easy to detection；Using edge detection analysis method, realize that tablet is fast
Speed is accurately detected.In edge detection analysis method, discriminatory analysis is carried out using three features, data volume is little, judge speed
Accurately.
Description of the drawings
Fig. 1 is method of the present invention flow chart.
Fig. 2 is Chinese medicine tablet of the present invention in schematic diagram during edge black line shade.
Fig. 3 is the distribution of light sources figure in the detection means of the present invention.
Fig. 4 is the production line and camera layout drawing of the present invention.
Fig. 5 is the structural representation of unit medicine plate in the present invention.
Label is represented in figure：1st, camera；2nd, light shield；3rd, light source assembly；4th, tablet groove；5th, medicine plate；51st, tablet.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figures 1 to 5, the detection method of the aluminium of the present embodiment/aluminium solid bubble-cap medicine plate, step is：
S01, beginning, aluminium/aluminium solid bubble-cap medicine plate 5 is placed under dark surrounds, and from the top of aluminium/aluminium solid bubble-cap medicine plate 5
Both sides irradiation light, so that the tablet 51 in the tablet groove 4 of medicine plate 5 is in edge black line shade, and in the surface of medicine plate 5 to medicine
Plate 5 is shot；
S02, the picture to shooting carry out edge detection analysis, obtain image border data and contrast with preset value, so as to judge
Whether medicine plate 5 is qualified.
The detection method of the aluminium/aluminium solid bubble-cap medicine plate of the present invention, from both sides irradiation light under dark surrounds, makes tablet 51
In edge black line shade, it is ensured that uniformity of each tablet 51 in picture, it is easy to detection；It is real using edge detection analysis method
The detection of the existing fast accurate of tablet 51.In edge detection analysis method, using three features discriminatory analysis, data volume are carried out
It is little, judge that speed is accurate.
In the present embodiment, in step S02, image border data include Convex Perimeter features, Circle
Fit features and Size features, in edge detection analysis method, using this three features discriminatory analysis are carried out, and data volume is little, sentence
Disconnected speed is accurate.
In the present embodiment, sequentially successively one by one by Convex Perimeter features（Girth）、Circle Fit
Feature（Fit radius, error of fitting）With Size features（Pixel total value）Contrasted with preset value, to judge whether medicine plate 5 closes
Lattice.Such as by early stage specified value, the peripheral extent of MARG is first limited, exclude shape greatest differences MARG, then
Fit radius, error of fitting are limited, basic confirmation MARG shape facility finally limits pixel total value, further excludes special
Unqualified edge is levied, it is final to obtain statistics number.Above three characteristic quantity function is overlapped mutually, it is ensured that MARG is accurate
Description tablet 51, when relaxing fit error criterion within the specific limits, girth remains to limit MARG in approximate tablet 51 weeks
In long, pixel total value then continues to control the MARG of the non-tablet 51 of exclusion with fit radius, realizes directly change fitting and misses
The function that accuracy of detection can be relaxed or be tightened by difference.
In the present embodiment, in step S02, when judging that medicine plate 5 is unqualified, rejecting operation is carried out to not plywood medicine plate 5.
In the present embodiment, in step S01, the place tablet groove 4 of medicine plate 5 often moves a width distance of medicine plate 5, i.e., to medicine
Plate 5 is once shot, until completing fixed number shooting；Then all images of medicine plate 5 are spliced.
As shown in figure 3, in the present embodiment, in step S01, covering medicine plate 5 using light shield 2 and placing it in dark surrounds
Under, and from other light source interference, wherein camera 1（Using high-resolution remote focal length lenses）Positioned at the inside of light shield 2 and position
In the surface of medicine plate 5 to be detected, and light source assembly 3 is provided with the inside of light shield 2 and positioned at the top of medicine plate 5 to be detected,
Wherein light source includes two strip sources and is symmetrically distributed in the both sides top of the length direction of medicine plate 5, wherein between strip source
Distance and the width positive correlation of unit medicine plate 5, light-source brightness, angle, the regulation of height and the edge black line shade positive of tablet 51
Close, final adjustment strip source position causes all tablets 51 in tablet groove 4 that approximate edge black line shade is presented.Other camera
1 adopts high-resolution remote focal length lenses, and between two strip sources and medicine plate surface, it is ensured that incident light is
Near normal directional light, the height of camera 1 and unit medicine plate length positive correlation, to ensure that all medicine plates 5 enter shot region.
The detection method of the present invention is described further with reference to an example：
（1）As shown in Fig. 2 displacement of the record tablet groove 4 in direction of motion A, per the width distance of Moving Unit medicine plate 5,
Single photographing signals are sent to camera 1, given number signal is sent altogether, vision software preserves the center of each photographing signals
The image of medicine plate 5；
（2）Treat that all number photographing signals are sent, all images of signal medicine plate 5 are carried out image mosaic by vision software, are connect
All piclears of signal medicine plate 5；
（3）Using the mechanical film dead time, image procossing is completed.Wherein, image is analyzed using EdgeFinder（Examine at edge
Survey analysis）Method obtains primary image MARG；
（4）According to the morphological feature of tablet 51, the statistics of actual operating data, Convex Perimeter features are chosen（Week
It is long）, Circle Fit features（Fit radius, error of fitting）, Size features（Pixel total value）As the mark of screening MARG
It is accurate.By early stage specified value, the peripheral extent of MARG is first limited, exclude shape greatest differences MARG, then limited
Determine fit radius, error of fitting, basic confirmation MARG shape facility finally limits pixel total value, further excludes feature
Unqualified edge, it is final to obtain statistics number.Above-mentioned three characteristic quantities function is overlapped mutually, it is ensured that MARG accurate description
Tablet 51, when relaxing fit error criterion within the specific limits, girth remains to limit MARG in the girth of approximate tablet 51,
Pixel total value then continues to control the MARG of the non-tablet 51 of exclusion with fit radius, realizes directly change error of fitting
The function that accuracy of detection is relaxed or tightened.
（5）According to statistics number and the comparative result of early stage set-point, tablet 51 is determined whether, if tablet 51 is residual
Lack；
If step（5）Middle judged result is yes, then send inspection rejects signal to PLC, is not otherwise sent.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (6)
1. the detection method of a kind of aluminium/aluminium solid bubble-cap medicine plate, it is characterised in that step is：
S01, beginning, by aluminium/aluminium solid bubble-cap medicine plate（5）Under being placed in dark surrounds, and from aluminium/aluminium solid bubble-cap medicine plate（5）'s
Top both sides irradiation light, so that medicine plate（5）Tablet groove（4）Interior tablet（51）It is in edge black line shade, and in medicine plate（5）
Surface to medicine plate（5）Shot；
S02, the picture to shooting carry out edge detection analysis, obtain image border data and contrast with preset value, so as to judge
Medicine plate（5）It is whether qualified.
2. the detection method of aluminium according to claim 1/aluminium solid bubble-cap medicine plate, it is characterised in that in step S02
In, described image MARG includes Convex Perimeter features, Circle Fit features and Size features.
3. the detection method of aluminium according to claim 2/aluminium solid bubble-cap medicine plate, it is characterised in that sequentially according to
It is secondary to be contrasted Convex Perimeter features, Circle Fit features and Size features and preset value, to judge medicine plate
（5）It is whether qualified.
4. the detection method of aluminium as claimed in any of claims 1 to 3/aluminium solid bubble-cap medicine plate, it is characterised in that
In step S01, using light shield the medicine plate is covered（5）Under placing it in dark surrounds, and from other light source interference.
5. the detection method of aluminium as claimed in any of claims 1 to 3/aluminium solid bubble-cap medicine plate, it is characterised in that
In step S02, when judgement medicine plate（5）When unqualified, to not plywood medicine plate（5）Carry out rejecting operation.
6. the detection method of aluminium as claimed in any of claims 1 to 3/aluminium solid bubble-cap medicine plate, it is characterised in that
In step S01, medicine plate（5）Place tablet groove（4）Often move a medicine plate（5）Width distance, i.e., to medicine plate（5）Carry out once
Shoot, until completing fixed number shooting；Then by all medicine plates（5）Image is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078943.1A CN106645166B (en) | 2016-11-30 | 2016-11-30 | A kind of detection method of aluminium/aluminium solid bubble-cap medicine plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078943.1A CN106645166B (en) | 2016-11-30 | 2016-11-30 | A kind of detection method of aluminium/aluminium solid bubble-cap medicine plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106645166A true CN106645166A (en) | 2017-05-10 |
| CN106645166B CN106645166B (en) | 2019-10-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611078943.1A Active CN106645166B (en) | 2016-11-30 | 2016-11-30 | A kind of detection method of aluminium/aluminium solid bubble-cap medicine plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414533A (en) * | 2018-04-26 | 2018-08-17 | 德清炬诚电子科技有限公司 | Bubble-cap class packs drug visual detection equipment and method |
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|---|---|---|---|---|
| US7034272B1 (en) * | 1999-10-05 | 2006-04-25 | Electro Scientific Industries, Inc. | Method and apparatus for evaluating integrated circuit packages having three dimensional features |
| JP2006275529A (en) * | 2005-03-28 | 2006-10-12 | Citizen Watch Co Ltd | Three-dimensional shape measuring method and measuring device |
| GB2453535A (en) * | 2007-10-08 | 2009-04-15 | Sepha Ltd | Inspecting the sealing of blister packages by detecting the shadow of an anomaly |
| CN102288613A (en) * | 2011-05-11 | 2011-12-21 | 北京科技大学 | Surface defect detecting method for fusing grey and depth information |
| US20160258880A1 (en) * | 2015-03-05 | 2016-09-08 | Emage Vision Pte. Ltd. | Inspection of sealing quality in blister packages |
-
2016
- 2016-11-30 CN CN201611078943.1A patent/CN106645166B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7034272B1 (en) * | 1999-10-05 | 2006-04-25 | Electro Scientific Industries, Inc. | Method and apparatus for evaluating integrated circuit packages having three dimensional features |
| JP2006275529A (en) * | 2005-03-28 | 2006-10-12 | Citizen Watch Co Ltd | Three-dimensional shape measuring method and measuring device |
| GB2453535A (en) * | 2007-10-08 | 2009-04-15 | Sepha Ltd | Inspecting the sealing of blister packages by detecting the shadow of an anomaly |
| CN102288613A (en) * | 2011-05-11 | 2011-12-21 | 北京科技大学 | Surface defect detecting method for fusing grey and depth information |
| US20160258880A1 (en) * | 2015-03-05 | 2016-09-08 | Emage Vision Pte. Ltd. | Inspection of sealing quality in blister packages |
Non-Patent Citations (1)
| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414533A (en) * | 2018-04-26 | 2018-08-17 | 德清炬诚电子科技有限公司 | Bubble-cap class packs drug visual detection equipment and method |
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| Publication number | Publication date |
|---|---|
| CN106645166B (en) | 2019-10-25 |
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170510 Assignee: TRUKING TECHNOLOGY Ltd. Assignor: TRUKING INTELLIGENT ROBOT (CHANGSHA) Co.,Ltd. Contract record no.: X2023980047829 Denomination of invention: A detection method for aluminum/aluminum solid bubble cover propellant board Granted publication date: 20191025 License type: Common License Record date: 20231122 |
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