CN103611691A - Online detection device for oil impregnated soft capsule - Google Patents
Online detection device for oil impregnated soft capsule Download PDFInfo
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- CN103611691A CN103611691A CN201310686444.0A CN201310686444A CN103611691A CN 103611691 A CN103611691 A CN 103611691A CN 201310686444 A CN201310686444 A CN 201310686444A CN 103611691 A CN103611691 A CN 103611691A
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Abstract
The invention discloses an online detection device for an oil impregnated soft capsule. The online detection device comprises a feeding module, a multi-waveband image acquiring and processing module, an oil impregnated capsule eliminating module and a system control module, wherein the feeding module comprises a vibration loading machine, a capsule guide pipe, a conveying chain and a capsule collection device; the multi-waveband image acquiring and processing module comprises a computer, an image acquiring camera, a light box and an illumination light source; the oil impregnated capsule eliminating module comprises a photoelectric induction sensor, a gas storage tank and a pneumatic nozzle; the system control module comprises a computer and a PLC (Programmable Logic Controller). According to the online detection device, a monochromatic camera is used for obtaining a capsule image under a light source with a plurality of wavebands through a light source design process and an image acquisition process; characteristic parameters of the image of the capsule under the light source with the plurality of wavebands are extracted and a relation model between the characteristic parameters of the image of the capsule and the oil impregnated capsule is established; whether the capsule is qualified or not is identified by the model; an online detection aim of the capsule is realized by high-speed image acquisition equipment and image processing software. The online detection device for the oil impregnated soft capsule can be applied to online rapid detection of the oil impregnated soft capsule.
Description
Technical field
The present invention relates to a kind of on-line measuring device of soft capsule quality, be specifically related to the online device detecting of a kind of oil impregnate soft capsule based on multi-band image technology.
Background technology
Soft capsule is called again capsule and pill, it is a kind of novel form growing up after the formulations such as tablet, hard shell capsules, pill, injection, oral liquid, can be by oily medicine, drug solution or drug suspension, the pastel quantitative pressure injection of drug powder being encapsulated in glued membrane even, form size, different seal capsule.Compare with other formulations, possess that bioavilability is high, content accurately, good uniformity, can cover the features such as the content peculiar smell such as medicine, good looking appearance, raising medicine stability.Have that impurity is few, Main Ingredients and Appearance is many, bioavilability is high, absorb the advantages such as fast, be applicable to very much the packing of medicine, health products etc.
In soft capsule manufacturing process, capsule filling (medicine, health products etc.) promotes through filling pump, fall between two film inner surfaces, the filler tool of soft capsule is a bit sticky, and capsule filling easily part falls to the outer surface of film and then forms oil impregnate capsule.While soft capsule is excess Temperature in process of production, causes film to occur when compressing tablet damaged, causes content seepage; Or temperature is too low, cause binding between two films bad, at soft capsule film seam crossing, there is hole, cause oil impregnate phenomenon.For the rejecting of oily ball, production firm generally adopts the mode of artificial manual inspection, and not only labour cost is high, and speed is slow.More existing capsule checkout gears, as Patents " the online apparatus and method that detect of soft capsule quality based on computer vision " (application number: the quality of CN200610096741.X) having described applied for machines vision-based detection soft capsule; Patents " transparent capsule detection machine " (application number: CN201220101158.4) described the checkout gear of transparent capsule, be of limited application, and above-mentioned 2 patents cannot characterize the feature of oil impregnate capsule effectively.
Summary of the invention
The object of the present invention is to provide a kind of oil impregnate soft capsule on-line measuring device, to realize detecting fast, online of oil impregnate soft capsule.
For solving above technical problem, the concrete technical scheme that the present invention adopts is as follows:
An oil impregnate soft capsule on-line measuring device, is characterized in that: comprise feeding module, multi-band image sampling and processing module, oil impregnate capsule rejecting module and system control module; Described multi-band image sampling and processing module is installed on the top of feeding module; Oil impregnate capsule is rejected the rear end that module is installed on feeding module; Described feeding module, multi-band image sampling and processing module and oil impregnate capsule are rejected module and all by Programmable Logic Controller, are connected with system control module.
Described feeding module involving vibrations feeder, balloon catheter, conveyer chain, capsule gathering-device; Balloon catheter one end is connected in the bottom of feeder, and the other end is connected in the front end of the company of transmission; Capsule gathering-device is connected with the end of carrier chain.
Described multi-band image sampling and processing module comprises computer, IMAQ video camera, light box, lighting source, optoelectronic induction sensor; Light box is positioned at directly over conveyer chain, and IMAQ video camera and lighting source are positioned at light box inside, and IMAQ video camera is connected with computer, and lighting source is connected with PLC; Optoelectronic induction sensor is positioned at conveyer chain gear both sides, by holding wire, is connected with computer.
Described oil impregnate capsule is rejected module and is comprised air accumulator, air-blast atomizer; Air accumulator is connected with air-blast atomizer by appendix, and the air-blast atomizer other end is connected with PLC.
Described system control module comprises computer, PLC; Computer input end is connected with IMAQ video camera, optoelectronic induction sensor, and fanout is connected with PLC; PLC input is connected with computer, and PLC output is connected with lighting source, air-blast atomizer.
the course of work of the present inventionas follows:
(1) light source in lighting box can be selected suitable light source frequency spectrum and locus for different soft capsule objects, and makes the illumination uniformity in the visual field of video camera.Light source sends the light of N different-waveband and is projected to capsule surface, between the conveying roller that capsule is sequentially arranged in the form of simple grain on the station at place, gap, makes on each station, to only have at the most a capsule.
(2) camera acquisition to field of view in pit between N conveyer chain link at least.At photoelectricity, trigger under the output signal effect of inductor, once, meanwhile video camera carries out IMAQ action to the light source scintillation of certain wave band, collects the capsule image under this wave band; When photoelectricity triggering inductor sends signal again, the light source scintillation of another wave band once, image under simultaneous camera collection under this wave band, at this moment with respect to a upper image, the advanced distance of a sprocket wheel of the position of capsule in image now, a capsule has entered camera coverage, and a capsule of front end has shifted out the visual field to be transferred chain simultaneously; Go on so successively.A soft capsule in the process process of checkout gear, has the light illuminating of N different-waveband on conveyer chain, and by this wave band hypograph under camera acquisition preservation.A plurality of capsules in piece image are cut apart, just obtained the N width image of a capsule under N wave band.
(3). utilize Digital image technology to process the image under the N of a capsule different-waveband, extract characteristic parameter, this process comprises denoising to image, goes the processes such as background, feature extraction, parameter storage, utilizes Intelligent Recognition software to set up discrimination model and determines whether oil impregnate capsule.
(4). for those oil impregnate capsules, control module is sent instruction and is rejected module to oil impregnate capsule, and the air-blast atomizer that oil impregnate capsule is rejected module sends jet action, and oil impregnate capsule is fallen to waste product capsule collecting box from carrier chain blowing up.
the present invention has beneficial effect.The present invention, by light source design, image acquisition process, has realized by a monochrome camera and has got the capsule image under a plurality of wave band light sources; The present invention extracts the characteristic parameter of a plurality of wave band hypographs of capsule, and sets up the relational model between capsule image features and oil impregnate capsule, by model, identifies the whether qualified of capsule; The present invention, by image capture device and image processing software at a high speed, reaches the online testing goal of capsule, and design capsule detection speed is 10～15/second, by 8 hours working day, calculates, and can sort 28.8～43.2 ten thousand soft capsules.
Accompanying drawing explanation
Fig. 1 is oil impregnate soft capsule sorting unit schematic diagram of the present invention;
Fig. 2 is lighting box detail section schematic diagram of the present invention;
Fig. 3 is carrier chain partial enlarged drawing of the present invention;
Fig. 4 is image partition sequence image schematic diagram of the present invention.
In figure: 1-vibration feeder, 2-balloon catheter, 3-IMAQ video camera, 4-conveyer chain, 5-air-blast atomizer, 6-capsule gathering-device, 7--capsules A to be detected, 8-conveyer chain power runner, 9-optoelectronic induction sensor, 10-computer, 11-air accumulator, 12-PLC, sprocket wheel on 13-conveyer chain, 14-light box, 15-lighting source, 16--capsule B to be detected, sprocket wheel on 17-conveyer chain, the capsule image A that 18-is partitioned into, the capsule image B that 19-is partitioned into, sprocket wheel on 20-conveyer chain, 21-capsule C to be detected, the capsule image C that 22-is partitioned into, 23-wave band A light source, 24-wave band B light source, 25-wave band illuminant-C, capsule on lower No. 1 station of 26-wave band A, capsule on lower No. 2 stations of 27-wave band A, capsule on lower No. 3 stations of 28-wave band A, capsule on lower No. 1 station of 29-wave band B, capsule on lower No. 2 stations of 30-wave band B, capsule on lower No. 3 stations of 31-wave band B, capsule on lower No. 1 station of 32-wave band C, capsule on lower No. 2 stations of 33-wave band C, capsule on lower No. 3 stations of 34-wave band C.
The specific embodiment
As shown in Figure 1, checkout gear of the present invention is by capsule feeding device, capsule conveyer, capsule checkout gear and goods rejection installation composition.Vibration feeder is placed in the front end of conveyer chain, its effect is to realize 7 one-tenth single-row Sequential outputs of capsule, conduit by portion mounted thereto is connected with carrier chain 4, and by 7 one one groove dropping on successively between carrier chain 4 sprocket wheels of capsule, concrete structure as shown in Figure 3.
As shown in Figure 2, video camera 3 is directly over carrier chain for the position relationship of IMAQ video camera, lighting source and conveyer chain, and LED light source is in the both sides of video camera.Capsule 7 under the driving of carrier chain through below video camera 3, under the illumination of different wave spectrum section light sources by capsule image under camera acquisition.This device can collect a plurality of wave spectrum section images of capsule, for making to describe simply, is made as 3 wave spectrum section light sources here, has 3 sprocket wheel pits in camera acquisition picture.The IMAQ mode of IMAQ video camera 3 is batch (-type) collection, whenever carrier chain, moves forward the distance of a sprocket wheel, and video camera 3 just collects piece image.
Fig. 3 is the piece image that camera acquisition arrives, and comprises 3 capsules in image.For extracting the characteristic parameter of each capsule under this band of light is shone, need to capsule is separated separately.3 dotted line frames that utilize image processing software to realize in Fig. 3 are cut apart, and then extract separately characteristics of image, have so just obtained 3 capsules characteristic parameter under this wave spectrum section light source.
The specific implementation process that in the present invention, one camera gathers a plurality of wave spectrum section hypographs as shown in Figure 4.Fig. 4 left side is 3 Different Light, wave band A light source 23, wave band B light source 24, and wave band illuminant-C 25, right side is the consecutive image of 3 width camera acquisitions.Concrete implementation step is:
Carve at a time, at photoelectricity, trigger under the output signal effect of inductor, wave band A light source 23 is lighted, by the irradiation of A wavelength capsule 26 on No. 1 station under wave band A, capsule 27 on lower No. 2 stations of wave band A, on lower No. 3 stations of wave band A, capsule 28 is on totally 3 capsules, now video camera starts IMAQ action, obtain M and open image, IMAQ finishes rear wave band A light source 23 and extinguishes, computer is implemented storage to the image collecting, cut apart, extract feature, the steps such as characteristic parameter storage, so just obtained capsule 26 on lower No. 1 station of wave band A, capsule 27 on lower No. 2 stations of wave band A, the characteristic parameter of 28 3 capsules of capsule under A band on lower No. 3 stations of wave band A.If now the operations such as image is cut apart, feature extraction, without capsule,, in subsequent treatment, are no longer carried out in the lower No. 1 station position 26 of wave band A to this position, computer is empty by this position mark, and goods rejection device will skip over this position, no longer provide jet action.
Carrier chain at the uniform velocity advances, and when carrier chain has advanced the distance of a sprocket wheel, photoelectricity triggers sensor output signal, and wave band B light source 24 is lighted, and the irradiation under B wavelength is in camera coverage, and video camera starts IMAQ action, collects image; Compared to M, open image, the same position that M+1 opens image is still three capsules, difference is, on lower No. 1 station of wave band A, capsule 26 has moved to capsule 30 positions on lower No. 2 stations of wave band B, on lower No. 2 stations of wave band A, capsule 27 has moved to capsule 31 positions on lower No. 3 stations of wave band B, the visual field that on lower No. 3 stations of wave band A, capsule 28 has shifted out video camera, on lower No. 1 station of wave band B, 29 of capsules have moved into camera coverage.After IMAQ release, wave band B light source 24 is closed.N+1 opens image and processes through storing, cut apart, extract the processes such as feature, characteristic parameter storage, just obtains the characteristic parameter of three capsules under B wave band.
When next carrier chain advances a sprocket wheel distance, wave band illuminant-C 25 is lighted, and on the carrier chain of the irradiation of C wavelength below video camera, camera acquisition is opened image to M+2, and then wave band illuminant-C 25 is closed.Opening image with N+1 compares, on lower No. 1 station of wave band B, capsule 29 moves to capsule 33 positions on lower No. 2 stations of wave band C, capsule 30 on lower No. 2 stations of wave band B (capsule 26 on lower No. 1 station of wave band A) moves to capsule 34 positions on lower No. 3 stations of wave band C, capsule 31 on lower No. 3 stations of wave band B (on lower No. 2 stations of wave band A 27) shifts out camera coverage scope, and on lower No. 1 station of wave band C, 32 of capsules enter in the visual field.N+2 opens the image a series of processing of machine as calculated, just obtains capsule 32 on lower No. 1 station of capsule wave band C, capsule 33 on lower No. 2 stations of wave band C, the characteristic parameter of 34 3 capsules of capsule under wave band C on lower No. 3 stations of wave band C.
Through above-mentioned steps, a capsule enters within the scope of IMAQ camera coverage under conveyer chain moves, on lower No. 1 station of wave band A, capsule 26 obtains the characteristic parameter of capsule under A band, on lower No. 2 stations of wave band B, capsule 30 places obtain the characteristic parameter of capsule under B wave band, and under wave band C, on No. 3 stations, capsule 34 places obtain the characteristic parameter of capsule under C-band.Like this, just realized the acquisition that utilizes single camera to realize a plurality of light source spectral coverage features of capsule.
Characteristic parameter under the A of each capsule, B, tri-wave spectrum section light sources of C is integrated, utilized mode identificating software to judge that whether it is qualified, and by computer, result of determination is sent to goods rejection device.If capsule is defective, jet nozzle sends jet action, from carrier chain, rejects this capsule, if capsule is qualified, allows capsule pass through, and finally by capsule gathering-device 6, collects qualified capsule.
Claims (5)
1. an oil impregnate soft capsule on-line measuring device, is characterized in that: comprise feeding module, multi-band image sampling and processing module, oil impregnate capsule rejecting module and system control module; Described multi-band image sampling and processing module is installed on the top of feeding module; Oil impregnate capsule is rejected the rear end that module is installed on feeding module; Described feeding module, multi-band image sampling and processing module and oil impregnate capsule are rejected module and all by Programmable Logic Controller, are connected with system control module.
2. a kind of oil impregnate soft capsule on-line measuring device as claimed in claim 1, is characterized in that: described feeding module involving vibrations feeder, balloon catheter, conveyer chain, capsule gathering-device; Balloon catheter one end is connected in the bottom of feeder, and the other end is connected in the front end of the company of transmission; Capsule gathering-device is connected with the end of carrier chain.
3. a kind of oil impregnate soft capsule on-line measuring device as claimed in claim 1, is characterized in that: described multi-band image sampling and processing module comprises computer, IMAQ video camera, light box, lighting source, optoelectronic induction sensor; Light box is positioned at directly over conveyer chain, and IMAQ video camera and lighting source are positioned at light box inside, and IMAQ video camera is connected with computer, and lighting source is connected with PLC; Optoelectronic induction sensor is positioned at conveyer chain gear both sides, by holding wire, is connected with computer.
4. a kind of oil impregnate soft capsule on-line measuring device as claimed in claim 1, is characterized in that: described oil impregnate capsule is rejected module and comprised air accumulator, air-blast atomizer; Air accumulator is connected with air-blast atomizer by appendix, and the air-blast atomizer other end is connected with PLC.
5. a kind of oil impregnate soft capsule on-line measuring device as claimed in claim 1, is characterized in that: described system control module comprises computer, PLC; Computer input end is connected with IMAQ video camera, optoelectronic induction sensor, and fanout is connected with PLC; PLC input is connected with computer, and PLC output is connected with lighting source, air-blast atomizer.
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| CN201310686444.0A CN103611691A (en) | 2013-12-17 | 2013-12-17 | Online detection device for oil impregnated soft capsule |
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| CN201310686444.0A CN103611691A (en) | 2013-12-17 | 2013-12-17 | Online detection device for oil impregnated soft capsule |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108526029A (en) * | 2018-03-30 | 2018-09-14 | 浙江理工大学 | Capsule Defect Detection sorting control system |
| CN114082674A (en) * | 2021-10-22 | 2022-02-25 | 江苏大学 | Small-particle agricultural product color sorting method combining surface scanning photoelectric characteristics |
| CN115049637A (en) * | 2022-07-12 | 2022-09-13 | 北京奥乘智能技术有限公司 | Capsule seam image acquisition method and device, storage medium and computing equipment |
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| CN114082674A (en) * | 2021-10-22 | 2022-02-25 | 江苏大学 | Small-particle agricultural product color sorting method combining surface scanning photoelectric characteristics |
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Application publication date: 20140305 |