CN202506610U - Background device for color sorter - Google Patents
Background device for color sorter Download PDFInfo
- Publication number
- CN202506610U CN202506610U CN2012200612428U CN201220061242U CN202506610U CN 202506610 U CN202506610 U CN 202506610U CN 2012200612428 U CN2012200612428 U CN 2012200612428U CN 201220061242 U CN201220061242 U CN 201220061242U CN 202506610 U CN202506610 U CN 202506610U
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- China
- Prior art keywords
- background
- light
- board
- color selector
- lampshade
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Abstract
The utility model discloses a background device for a color sorter. The background device is characterized by comprising a background lampshade of which one side is opened; a background lamp is arranged in the background lampshade; the opening part of the background lampshade is provided with a light baffle plate; a light transmitting port is formed in the middle of the light baffle plate; a cylindrical background plate mechanism of which the section has a shape of a regular polygon with the even number of sides is arranged outside the light baffle plate; and each pair of the opposite sides of the cylindrical background plate mechanism consists of a light adjustment plate and a background plate. The background device is simple in structure, convenient to manufacture and process and low in cost; and the function of the background device for the color sort is realized, greater space is reserved for a light source for irradiating materials, and the number of the light sources for irradiating the materials, and accessories photoelectric sensors for a multi-path sorting color sorter and the like can be increased possibly, the problem of inconsistency of background signals can be solved, and the color sorting performance of a machine can be improved.
Description
Technical field:
The utility model relates generally to a kind of photometric sorting equipment, relates in particular to a kind of photoelectric colour sorter Background apparatus that utilizes material reverberation and transmitted light and background board reference light difference to differentiate and reject foreign matter and defective products in the material.
Background technology:
Color selector is the difference according to the material optical characteristics, the equipment that utilizes photoelectric technology that the heterochromatic particle in the granule materials is sorted out automatically.Can be widely used in the sorting of materials such as agricultural product, medicine, industrial goods.The operation principle of color selector is that sorted materials is passed through the observation district in the pay-off entering separation chamber, and between sensor and background board, passes; The high stable light source and the acting in conjunction of high sensitivity photodetector that are installed in the separation chamber are compared with the light quantity of passing through coloured light the reverberation of the material that detects with the benchmark light quantity; Utilize the color distortion between sorted materials and the reference colours to identify heterochromatic grain; And with the difference processing and amplifying of its signal; When signal difference during greater than predetermined value, control system drive air jet system is rejected heterochromatic grain, to reach the purpose of sorting.The main effect of background board in this process is: the benchmark light quantity is provided, is used for comparing with the light quantity of passing through coloured light with the reverberation of material, to judge the quality of material particles.The uniformity of background board and uniformity are high more, in the control system, the material reverberation with pass through more little that coloured light light quantity and the difference of benchmark light quantity just can set, also just good more for the rejecting precision of heterochromatic of little aberration.
In the prior art; The general reverberation of background light emission light on the background board signal as a setting that adopts; And traditional color selector background board adopts the manufacturing of baking vanish technology, itself just has uniformity and consistency problem, causes littler material reverberation and the difference of passing through coloured light light quantity and benchmark light quantity can not be set in the control system; Cause little aberration material discrimination precisions such as pale yellow rice not high, separating effect is undesirable.
Use the discrimination principles of the color selector of black-white CCD sensor to be: the reverberation of material with pass through coloured light and benchmark light quantity difference less than default value; This material is judged as honest material, reverberation with pass through coloured light and benchmark light quantity difference material and be judged as stock greater than default value.When carrying out the sorting of different colours material, need to change the material irradiation fluorescent tube and the background board irradiation fluorescent tube that are complementary with the material color, background board reflection ray intensity also will be along with the difference of material is carried out corresponding change; In addition, along with the increase of service time, the fluorescent tube light intensity also can produce decay, and the variation that these have all caused the background board reflective light intensity has just caused the variation of benchmark light quantity.Traditional solution is to come the light intensity of accommodation reflex to the optical pickocff through the angle of a cover rotating and regulating mechanism rotary background plate, to reach the required intensity of background signal.
Use the discrimination principles of the color selector of color ccd sensor to be: according to fill in colors on a sketch and select parameter directly to distinguish the quality of material, can not change material irradiation fluorescent tube and background fluorescent tube because of the difference of selected material; But; Existing colored CCD color selector and black-white CCD color selector exist background irradiation light and material irradiation light to be placed on the narrow and small separation chamber in space together equally; This not only has influence on the layout of material irradiation fluorescent tube; And, also need increase corresponding shade for fear of the light mutual interference mutually of background irradiation light and material irradiation light.In addition; Development with painted selecting technology; Multichannel sorting color selector arises at the historic moment, and multichannel sorting color selector is to utilize many cover photoelectric sensors and spray valve eliminating system to realize the multichannel sorting, and the background irradiation light is placed in the narrow and small separation chamber; Have a strong impact on the layout of accessories such as many covers sensor, hindered the further lifting of color selector color selection performance.
The utility model content:
The utility model takies weak points such as valuable separation chamber space, background signal uniformity difference in order to overcome existing Background apparatus; A kind of Background apparatus that is used for color selector is provided; It is simple in structure, background signal high conformity and certain space is provided for increasing photoelectric sensor and material radiation source quantity; Improve look and select effect, strengthen machine performance.
The utility model is realized through following technical scheme:
A kind of Background apparatus that is used for color selector is characterized in that: include the uncovered background lampshade of a side, in the said background lampshade background light is installed, the uncovered position of background lampshade is provided with light barrier, and the light barrier middle part is provided with the printing opacity mouth; The outside of light barrier is provided with the tubular background board mechanism that cross section is the even number regular polygon, and each relative side of group of said tubular background board mechanism is made up of a dimmer board and a background board respectively.
Said background board is processed by the light transmissive material with light.
Said dimmer board is processed by light transmissive material.
The side of said dimmer board is provided with the dim light film.
Each dimmer board side of said tubular background board mechanism is provided with the different dim light film of transmittancy respectively.
Said dim light film is provided with some and is provided with at interval, and the opaque striped parallel with background light.
Opaque width of fringe on the same dimmer board equates, and between spacing equate.
Tubular background board mechanism two end axles is to being rotatably installed on the background lampshade.
One section positioner that the control rotational angle is installed of said tubular background board mechanism.
Adopt the color selector structure of the utility model to be: include the material lamp, Background apparatus and photoelectric sensor are separately positioned on the material both sides.When color selector was worked, the main effect of material lamp was that material is illuminated, so that color selector can accurately be observed the color of material, thereby selected material was made good and bad differentiation.And the color signal that photoelectric sensor is collected from the background board is a foundation of making differentiation, and the effect of background light is to be used to illuminate background board.
Because the utility model moves on to the background board outside with background light from separation chamber background board inboard, increased the space that the material lamp is placed in the color selector, for increasing material lamp or photoelectric sensor the space is provided.
In addition; The light that photoelectric sensor received in the utility model is transmitted light; This transmitted light is to be sent by background light, through the printing opacity mouth on the light barrier, arrives the dimmer board in the background mechanism; Because the opaque width of fringe on each dimmer board is different with spacing; And then when different dimmer boards is selected in rotation, can carry out the light quantity adjustment, through the light arrival and the background board of dimmer board, transmit the back by the uniform light of background board and received by photoelectric sensor through processing by the scattering light transmissive material.
Because the utility model is to adopt transmitted light signal as a setting, if choose suitable background board material or more in addition surface treatment just can make background signal reach good uniformity, thereby make the machine look select effect further to promote.
Background board by light-scattering material (as with silicones particle < average grain diameter 1 ~ 6 μ m>and matrix resin < MA/MMA (5/95) copolymer>fusion, kneading, squeeze sheet, be cooled to the thick sheet material of 1mm.The light transmittance of this sheet material has reached 86%, and mist degree is 94%) process, to reach the uniform purpose of transmitted light.
When look selects the material of different colours, select effect in order to reach good look, need adjust bias light intensity.Therefore the utility model at cross section be provided with in the tubular background mechanism of even number regular polygon a plurality of be pasted with parallel with background light fluorescent tube length direction and each face on the dimmer board of width and the different opaque stripeds of density; To adjust background board transmission light intensity as required; And the single linear light that opaque striped also sends background light converts many linear light into, has evenly played good facilitation for the back background board atomizes to transmitted light.
The utility model has the advantages that:
The utility model is simple in structure; Make easy to process, with low cost, can be when realizing color selector Background apparatus function; Reserve bigger space for the light source used of irradiation material, make number of fitting parts such as the light source that increases the irradiation material and use, multichannel sorting color selector photoelectric sensor become possibility; Solved the bad problem of background signal uniformity, the machine color selection performance promotes thereupon.
Description of drawings:
Fig. 1 is applied in the light path sketch map on the color selector for the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is that the A of Fig. 2 is to cutaway view.
Fig. 4 is the structural representation of dim light film.
Parts title among the figure: 1: background board mechanism; 2: light barrier; 3: the background lampshade; 4: background light; 5: lamp socket; 6: dimmer board; 7: the printing opacity mouth; 8: background board; 9: material; 10: the material lamp; 11: Background apparatus; 12: photoelectric sensor.
The specific embodiment:
Referring to accompanying drawing.
A kind of Background apparatus that is used for color selector includes the uncovered background lampshade 3 of a side, through lamp socket 5 background light 4 is installed in the said background lampshade 3, and the uncovered position of background lampshade 3 is provided with light barrier 2, and light barrier 2 middle parts are provided with printing opacity mouth 7; The outside of light barrier 2 is provided with the tubular background board mechanism 1 that cross section is the even number regular polygon, and each relative side of group of said tubular background board mechanism 1 is made up of a dimmer board 6 and a background board 8 respectively.
But tubular background board mechanism 1 two ends axial rotation is installed on the background lampshade 3, and is furnished with the positioner of control rotational angle.
The background board 8 of tubular background board mechanism 1 is processed by the light transmissive material with light.The dimmer board of tubular background board mechanism 1 is processed by light transmissive material, and dimmer board 6 sides are provided with the opaque striped parallel with background light 4.
The width and the spacing of each opaque striped in dimmer board 6 sides of tubular background board mechanism 1 have nothing in common with each other.
Adopt the color selector structure of this Background apparatus 11 to be: include material lamp 10, Background apparatus 11 is separately positioned on material 9 both sides with photoelectric sensor 12.When color selector was worked, the main effect of material lamp 10 was that material 9 is illuminated, so that color selector can accurately be observed the color of material 9, thereby selected material 9 was made good and bad differentiation.And the color signal that photoelectric sensor 12 is collected from the background board 8 is a foundation of making differentiation, and the effect of background light 4 is to be used to illuminate background board 8.
Claims (9)
1. Background apparatus that is used for color selector, it is characterized in that: include the uncovered background lampshade of a side, in the said background lampshade background light is installed, the uncovered position of background lampshade is provided with light barrier, and the light barrier middle part is provided with the printing opacity mouth; The outside of light barrier is provided with the tubular background board mechanism that cross section is the even number regular polygon, and each relative side of group of said tubular background board mechanism is made up of a dimmer board and a background board respectively.
2. a kind of Background apparatus that is used for color selector according to claim 1, it is characterized in that: said background board is processed by the light transmissive material with light.
3. a kind of Background apparatus that is used for color selector according to claim 2, it is characterized in that: said dimmer board is processed by light transmissive material.
4. a kind of Background apparatus that is used for color selector according to claim 3, it is characterized in that: the side of said dimmer board is provided with the dim light film.
5. a kind of Background apparatus that is used for color selector according to claim 4 is characterized in that: each dimmer board side of said tubular background board mechanism is provided with the different dim light film of transmittancy respectively.
6. a kind of Background apparatus that is used for color selector according to claim 5 is characterized in that: said dim light film is provided with some and is provided with at interval and the opaque striped parallel with background light.
7. a kind of Background apparatus that is used for color selector according to claim 6 is characterized in that: the opaque width of fringe on the same dimmer board equates, and between spacing equate.
8. according to each described a kind of Background apparatus that is used for color selector of claim 1 ~ 7, it is characterized in that: tubular background board mechanism two end axles is to being rotatably installed on the background lampshade.
9. a kind of Background apparatus that is used for color selector according to claim 8 is characterized in that: one section positioner that the control rotational angle is installed of said tubular background board mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200612428U CN202506610U (en) | 2012-02-24 | 2012-02-24 | Background device for color sorter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200612428U CN202506610U (en) | 2012-02-24 | 2012-02-24 | Background device for color sorter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202506610U true CN202506610U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200612428U Expired - Fee Related CN202506610U (en) | 2012-02-24 | 2012-02-24 | Background device for color sorter |
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| CN (1) | CN202506610U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949411A (en) * | 2014-05-21 | 2014-07-30 | 合肥安晶龙电子有限公司 | Color sorter imaging background device |
| CN104646316A (en) * | 2015-03-06 | 2015-05-27 | 合肥安晶龙电子有限公司 | Combined type light-transmitting roller assembly |
| CN108716984A (en) * | 2018-06-29 | 2018-10-30 | 合肥美亚光电技术股份有限公司 | Light source board test device |
| CN113510109A (en) * | 2021-04-23 | 2021-10-19 | 安徽捷泰智能科技有限公司 | Channel surface repairing device for color sorter |
-
2012
- 2012-02-24 CN CN2012200612428U patent/CN202506610U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949411A (en) * | 2014-05-21 | 2014-07-30 | 合肥安晶龙电子有限公司 | Color sorter imaging background device |
| CN104646316A (en) * | 2015-03-06 | 2015-05-27 | 合肥安晶龙电子有限公司 | Combined type light-transmitting roller assembly |
| CN108716984A (en) * | 2018-06-29 | 2018-10-30 | 合肥美亚光电技术股份有限公司 | Light source board test device |
| CN108716984B (en) * | 2018-06-29 | 2024-04-05 | 合肥美亚光电技术股份有限公司 | Light source board testing device |
| CN113510109A (en) * | 2021-04-23 | 2021-10-19 | 安徽捷泰智能科技有限公司 | Channel surface repairing device for color sorter |
| CN113510109B (en) * | 2021-04-23 | 2022-10-14 | 安徽捷泰智能科技有限公司 | Channel surface repairing device for 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: 20121031 Termination date: 20180224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |