CN201632432U - Double-CCD material color sorter - Google Patents
Double-CCD material color sorter Download PDFInfo
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- CN201632432U CN201632432U CN2009201743684U CN200920174368U CN201632432U CN 201632432 U CN201632432 U CN 201632432U CN 2009201743684 U CN2009201743684 U CN 2009201743684U CN 200920174368 U CN200920174368 U CN 200920174368U CN 201632432 U CN201632432 U CN 201632432U
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- material color
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Abstract
The utility model provides a double-CCD material color sorter which comprises a main sensing unit, a shade chip, a main light source, a spray nozzle, a light filter and a background plate, and is characterized by also comprising an auxiliary sensing unit and an auxiliary light source. A double-CCD material color sorting method and the color sorter can detect the blank points of the material, conduct elimination so as to avoid false judgment, and eliminate a great quantity of qualified materials.
Description
Technical field
The utility model relates to a kind of material color selector, especially a kind of pair of CCD granular material color selector.
Background technology
Many granule materials, for example various cereal such as rice all need carry out categorizing selection with surface color, to remove heterochromatic particles such as impurity, flaw particle and bad particle wherein, satisfy the quality requirement of material at aspects such as color and luster, purity.At present, to select mode be that photoelectric colour sorter look choosing and CCD color selector look select to look.It is especially extensive that photoelectric colour sorter adopts, but this color selector has brought following defective: the one, because granule materials can only move along groove, limited the mass flow on the working face, and therefore also just limited the disposal ability of color selector; The 2nd, corresponding one road photoelectric receiving system of each groove, the information that this receiving system receives is the stack of big area information, there are a plurality of particle informations to enter system simultaneously, therefore can not differentiate the details of each particle well, also can be subjected to the interference of other particle simultaneously, caused sensitivity not high, the particle color and luster has been judged problems such as inaccurate; System architecture also seems comparatively complicated in addition.
Along with the develop rapidly of photoelectric device and digital image processing techniques, occur adopting the high precision image sensor of CCD (Charge Coupled Device, charge-coupled image sensor) technology to carry out the CCD color selector that look selects.The CCD color selector can overcome the above-mentioned defective of photoelectric colour sorter, and the treating capacity of this color selector is big, to the accuracy of judgement of heterochromatic particle, and simple in structure.For example: patent 200420011301.6,200810106686.7,200820090755.5,200820074827.7 all discloses a kind of CCD color selector, but, on the result of CCD color-selection apparatus, often adopt two CCD system as shown in fig. 1, promptly the forward and backward side at material whereabouts track is symmetrical arranged optical system, gather the reverberation of sorted materials, so that the more complete material table surface state information of obtaining (11.1 are optical pickocff among the figure).Material (rice) prolongs that direction shown in the arrow enters separatory vessel among Fig. 1, and the irradiates light with main light source 11.2 reflexes on the optical inductor (optical pickocff) 11.1 subsequently.Consequent problem is: if the material bin of color selector is even inadequately when the chute feed, some position does not have material particles blank spot to occur on the chute thereby just might cause.After the CCD sensor-based system was gathered the material information at blank spot place, will differentiate material was defective material, sent instruction to spraying system immediately, and spraying system is jet to sky material part immediately, causes the ejection of a large amount of qualified material thus.In addition,, and very easily produce dust in the selecting rice color process, therefore need regularly carry out manual cleaning background board owing to background board is had relatively high expectations to its surface cleanness degree.Thereby this has influenced the operating efficiency of color selector.
The utility model content
The purpose of this utility model provides a kind of double-CCD material color selector, can detect the blank spot of material, and get rid of, in order to avoid cause erroneous judgement, a large amount of qualified material is got rid of.
The double-CCD material color selector that the utility model provides comprises main sensing device, anti-dazzling screen, main light source, nozzle, optical filter, background board, it is characterized in that, also comprises auxiliary sensor unit and secondary light source.
For the problem that overcomes erroneous judgement that preamble is mentioned, the utility model has adopted above-mentioned pair of CCD system: the promptly main sensing device of wherein main CCD system is observed the reverberation (mainly being " red ", " green " dichromatism) on the material, and whether differentiate material with this qualified; Auxiliary CCD system is the transmitted light (main corresponding " indigo plant " look) that auxiliary sensor unit is observed material, prevents from above-mentioned blank spot erroneous judgement is defective work.Main CCD sensing device and auxiliary CCD sensing device detect reverberation and the transmitted light of diverse location material for light source respectively, and wherein aiding sensors only detects " green " part in the transmitted light.When aiding sensors detection green glow light intensity exceeded preset range, differentiating this part was blank spot, sends signal to controller immediately, and controller sends signal to main sensing device, stops to detect the light intensity of this point, thereby had prevented the generation of erroneous judgement.
Preferably, because the selecting rice color process all is uninterruptedly to carry out in 24 hours usually, and visible light fluorescent tube energy consumption is higher.In order to cut down the consumption of energy, adopt the LED infrared lamp auxiliary sensor unit to be thrown light on as secondary light source.Its structural representation as shown in Figure 5.Compare with the visible light fluorescent tube, adopt infrared lamp to have following advantage: 1. infrared lamp starts soon, and electric current is little, and the work power consumption is little, saves electric energy.2. the infrared lamp lamp hole temperature is low, and luminous even, visible light lamp works temperature height occurs non-uniform light easily and causes look to select problems such as weak effect.3. infrared lamp long service life is generally more than 20,000 hours, than high many in several thousand hours of common fluorescent tube.
Preferably, adopt reflective cylinder to replace background board, near reflective cylinder, placed cleaner, can realize regularly cleaning automatically of reflective cylinder.
Preferably, the anti-dazzling screen of main sensing device is infrared anti-dazzling screen, avoids the light of secondary light source, and auxiliary sensor unit is provided with the visible light anti-dazzling screen, avoids the light of main light source.
Preferably, the secondary light source top is provided with speculum, and speculum reflexes to the light of secondary light source on the cylinder, shines on the material flow again, focuses on by visible light anti-dazzling screen and lens on the camera lens of auxiliary CCD.
Preferably, also lens can be set below secondary light source, the light of secondary light source, shines on the material flow on cylinder through lens lighting again, focuses on by visible light anti-dazzling screen and lens on the camera lens of auxiliary CCD.
The double-CCD material color selector course of work of the present utility model is as follows: material evenly falls through chute through shocking feeder, is transported to viewing area through conveyer belt, forms the material flow of horizontal parabola shape.The visible light that light source sends mating plate after filtration is radiated on the material flow, and reverberation focuses on the main CCD camera lens through infrared fileter and lens.Main CCD is sent to computer with the light intensity value that measures.Computer compares this value and standard value, if bigger with the standard value deviation, judge that then this point is defective material, and sends signal to nozzle, this material is sprayed onto " defective material " zone; If near standard value range, judge that then this point is a qualified material, do not make any action material flow and will fall into " qualified material " zone.The visible light process speculum that secondary light source sends and the reflected illumination of cylinder are on material flow, transmitted light enters in the auxiliary sensor unit, behind process visible light anti-dazzling screen and lens, be focused into " green " light and enter auxiliary CCD camera lens, auxiliary CCD camera lens receives transmitted light and sends the light intensity value that receives to computer, computer compares this value and the standard value of presetting, bigger as deviation, judge " room " of this position for no material zone, and send signal to main sensing device, ignore the light intensity value of this point and do not differentiate, thereby prevent from " clear area " erroneous judgement is defective material.
Because there is certain distance in viewing area with spraying between the zone, and the processes such as operation of the sending of the transmission of signal, differentiation, instruction, nozzle also need certain hour.Therefore signal sends delay of command signal existence behind computer discriminant, and after the time delay of setting, computer sends jeting instruction to nozzle, finishes the differentiation process.
The material of the utility model indication can be various cereal such as rice, wheat, also can be other granular material.
The beneficial effects of the utility model: the main technique index of color selector has three parameters, treating capacity, elimination factor, takes ratio out of.
The promptly per hour accessible material quantity for the treatment of capacity, unit is t/h.The factor that influences process lot size except the configuration of color selector recognition system with structure is different, also having an important factor is exactly specification.How many sizes of general color selector specification decides the specification of color selector generally to have 32,48,80,96,128 passages not wait with the passage of configuration.Meanwhile, the scale for the treatment of capacity and raw material variety and impurities and desired to select precision also closely related.
Elimination factor refers to that the amount of impurities of selecting accounts for the percentage of impurities total amount, also is precision of color separation from raw grain.The model that the factor that influences elimination factor mainly contains flow and color selector is that performance decides.In general, adopt the silicon photocell mode that to be higher than of CCD mode, adopt being better than of final election structure singly to select structure.The final election color selector elimination factor of configuration ccd sensor technology can reach more than 99%, and the common color selector of a look choosing of configuration traditional sensors is difficult to reach the index of demarcation in actual production.In addition, the height of elimination factor also taken out of compare so as to see who is superior influence.
Take out of than the ratio that is meant amount of impurities and normal grain of rice or wheat in the waste material that color selector is selected.It is many more to take the amount of impurities of selecting than big approximately explanation (defective rice) out of, and the performance of color selector is also good more.
Through improvement of the present utility model, adopt the double-CCD material color selector after improving that rice is carried out the look choosing, look selects result such as following table:
The choosing of table one variety classes color selector look
| Photoelectric colour sorter | Traditional C CD color selector | The utility model CCD color selector | |
| Treating capacity (t/h) | 1～2 | 6～8 | 8～12 |
| Elimination factor | 90％ | 99％ | 99.9％ |
| Take ratio out of | 2∶1 | 4～6∶1 | 8∶1 |
Description of drawings
Fig. 1 is existing material color selector schematic diagram;
Fig. 2 is an embodiment schematic diagram of the utility model double-CCD material color selector;
Fig. 3 is another embodiment schematic diagram of the utility model double-CCD material color selector.
11.1 optical inductor, 11.2 main light sources, 11.3 background boards, 12.1 shadow shields move driving mechanism, 12.2L shape workpiece, 12.3 shadow shields, 13 background board self-checking devices.
The specific embodiment
Fig. 2 is an embodiment of double-CCD material color selector of the present utility model, as can be seen from Figure 2: CCD sensing device 18 and 20 detects reverberation and the transmitted light of diverse location material for light source 24,34 respectively, and wherein aiding sensors 20 only detects " green " part in the transmitted light.When aiding sensors detection green glow light intensity exceeded preset range, differentiating this part was blank spot, sends signal to controller immediately, and controller sends signal to sensing device 18, stops to detect the light intensity of this point, thereby had prevented the generation of erroneous judgement.
Fig. 3 is another embodiment of the utility model double-CCD material color selector, and material evenly falls through chute 6 through shocking feeder 4, is transported to viewing area through conveyer belt 2, forms the material flow 22 of horizontal parabola shape.The visible light that light source 24 sends mating plate 50 after filtration is radiated on the material flow 22, and reverberation focuses on the main CCD camera lens 26 through infrared anti-dazzling screen 30 and lens 28.Main CCD is sent to computer 16 with the light intensity value that measures.Computer 16 compares this value and standard value, if bigger with the standard value deviation, judge that then this point is defective material, and sends signal to nozzle 12, this material is sprayed onto " defective material " zone 14; If near standard value range, judge that then this point is qualified material, does not make any action material flow and will fall into " qualified material " zone 10.The visible light process speculum 38 that secondary light source 36 sends and the reflected illumination of cylinder 32 are on material flow 22, transmitted light enters in the auxiliary sensor unit 20, behind mating plate 44 and lens 46 after filtration, be focused into " green " light and enter auxiliary CCD camera lens 42, auxiliary CCD camera lens 42 receives transmitted light and sends the light intensity value that receives to computer 16, computer 16 compares this value and the standard value of presetting, bigger as deviation, judge " room " of this position for no material zone, and send signal to main sensing device, ignore the light intensity value of this point and do not differentiate, thereby prevent from " clear area " erroneous judgement is defective material.
Another embodiment of the present utility model replaces with infrared light supply 34 with secondary light source 36, the infrared light that infrared light supply 34 sends through the reflected illumination of lens 38 and cylinder 32 on material flow 22, its transmitted light focuses on the auxiliary CCD camera lens 42 through infrared fileter 44 and lens 46, auxiliary CCD camera lens 42 receives transmitted light and sends the light intensity value that receives to computer 16, computer 16 compares this value and the standard value of presetting, bigger as deviation, judge " room " of this position for no material zone, and send signal to main sensing device, ignore the light intensity value of this point and do not differentiate, thereby prevent from " clear area " erroneous judgement is defective material.
Claims (9)
1. a double-CCD material color selector comprises main sensing device, anti-dazzling screen, main light source, nozzle, optical filter, background board, it is characterized in that, also comprises auxiliary sensor unit and secondary light source.
2. double-CCD material color selector according to claim 2 is characterized in that, the anti-dazzling screen of main sensing device is infrared anti-dazzling screen.
3. double-CCD material color selector according to claim 2 is characterized in that described auxiliary sensor unit is provided with the visible light anti-dazzling screen.
4. double-CCD material color selector according to claim 2 is characterized in that, described secondary light source is the LED infrared lamp.
5. according to the arbitrary described double-CCD material color selector of claim 2 to 4, it is characterized in that described secondary light source top is provided with speculum.
6. according to the arbitrary described double-CCD material color selector of claim 2 to 4, it is characterized in that described secondary light source below is provided with lens.
7. according to the arbitrary double-CCD material color selector of stating of claim 2 to 4, it is characterized in that described background board is replaced by reflective cylinder, near reflective cylinder, place cleaner.
8. the double-CCD material color selector of stating according to claim 5 is characterized in that, described background board is replaced by reflective cylinder, places cleaner near reflective cylinder.
9. the double-CCD material color selector of stating according to claim 6 is characterized in that, described background board is replaced by reflective cylinder, places cleaner near reflective cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201743684U CN201632432U (en) | 2009-12-25 | 2009-12-25 | Double-CCD material color sorter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201743684U CN201632432U (en) | 2009-12-25 | 2009-12-25 | Double-CCD material color sorter |
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| Publication Number | Publication Date |
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| CN201632432U true CN201632432U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201743684U Expired - Fee Related CN201632432U (en) | 2009-12-25 | 2009-12-25 | Double-CCD material color sorter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527647A (en) * | 2011-01-21 | 2012-07-04 | 安徽捷迅光电技术有限公司 | Multi-choice sorting system for color separation machine |
| CN106040608A (en) * | 2016-05-20 | 2016-10-26 | 上海交通大学 | Dynamic optical detection device and detection method for laptop keyboards |
| CN106733731A (en) * | 2017-03-09 | 2017-05-31 | 合肥美亚光电技术股份有限公司 | A kind of Background apparatus of color selector |
-
2009
- 2009-12-25 CN CN2009201743684U patent/CN201632432U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527647A (en) * | 2011-01-21 | 2012-07-04 | 安徽捷迅光电技术有限公司 | Multi-choice sorting system for color separation machine |
| CN106040608A (en) * | 2016-05-20 | 2016-10-26 | 上海交通大学 | Dynamic optical detection device and detection method for laptop keyboards |
| CN106733731A (en) * | 2017-03-09 | 2017-05-31 | 合肥美亚光电技术股份有限公司 | A kind of Background apparatus of color selector |
| CN106733731B (en) * | 2017-03-09 | 2023-09-08 | 合肥美亚光电技术股份有限公司 | Background device of color sorter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20171225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |