CN202377204U - Optical system of seed rice color sorter - Google Patents

Optical system of seed rice color sorter Download PDF

Info

Publication number
CN202377204U
CN202377204U CN2011205142138U CN201120514213U CN202377204U CN 202377204 U CN202377204 U CN 202377204U CN 2011205142138 U CN2011205142138 U CN 2011205142138U CN 201120514213 U CN201120514213 U CN 201120514213U CN 202377204 U CN202377204 U CN 202377204U
Authority
CN
China
Prior art keywords
seed rice
wavelength
optical
light
light source
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.)
Expired - Lifetime
Application number
CN2011205142138U
Other languages
Chinese (zh)
Inventor
伍宏兵
常宏
蒋晓魁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Meyer Optoelectronic Technology Inc
Original Assignee
Hefei Meyer Optoelectronic Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei Meyer Optoelectronic Technology Inc filed Critical Hefei Meyer Optoelectronic Technology Inc
Priority to CN2011205142138U priority Critical patent/CN202377204U/en
Application granted granted Critical
Publication of CN202377204U publication Critical patent/CN202377204U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Abstract

The utility model discloses an optical system of a seed rice color sorter, comprising a sorting chamber machine body, wherein the sorting chamber machine body is internally provided with a material channel; a light source and background plates, which are matched with each other, are arranged at two side parts of the material channel in the sorting chamber machine body; an optical sensor system is arranged at the outer side of each background plate; an optical band-pass filtering sheet is arranged outside a lens of each optical sensor system; a light source which can send out lights with the wavelengths of 530-630 nm is adopted; the background plates with the reflection capability of more than or equal to 80% when the lights with the wavelength of 530-630 nm are reflected is adopted; the optical sensor systems are CCD (Charge Coupled Device) optical sensor systems with the light-transmitting capability of more than or equal to 90% when the lights with the wavelength of 530-630 nm are received; and the optical band-pass filtering sheet with the light-transmitting capability of more than or equal to 50% when the lights with the wavelength of 530-630 nm are received are adopted. According to the optical system of the seed rice color sorter disclosed by the utility model, the suitable light source and the background plates are combined and the position with the maximum difference in a seed rice absorption spectrum is utilized, so that the resolution capability which is greater relatively to a common color sorting device is improved and the color sorting precision of the seed rice can be effectively improved.

Description

A kind of optical system of seed rice color selector
Technical field:
The utility model relates generally to seed rice color selector technical field, relates in particular to a kind of optical system of seed rice color selector.
Background technology:
At present, making in the seed rice, particularly breeding of hybrid rice process, adopt this breeding of father and mother mode to make seed rice more.Because have only maternal paddy to be suitable as seed rice,, avoiding sneaking into male parent paddy in the maternal paddy as seed rice, and then guarantee finished product seed rice quality so male parent and maternal interlacing plantation, the mode of harvesting are separately generally taked in breeding at present.The mode of this kind male parent and maternal interlacing plantation, separately harvesting makes most of production of hybrid seeds enterprise when the plantation of seed rice and harvesting, can only adopt manual work, to guarantee the quality of finished product seed rice.But production efficiency is low, production capacity is limited because manual work exists, and cost of labor increases, production of hybrid seeds enterprise production cost increases severely, and in addition, operating personnel exist individual difference, seed rice quality to receive human factor to influence problems such as serious.Therefore, a lot of production of hybrid seeds enterprises are strong to the increasing demand of the mechanization production of hybrid seeds.Mechanization seed production way commonly used is: adopt that mechanized equipments such as seeder, harvester, thresing machine are sowed, harvesting, threshing.But,,, fail to adopt the mechanization mode to carry out the production of hybrid seeds because have male parent paddy and maternal seed rice sorting problem for the seed rice production of hybrid seeds always.Realize the mechanization production of hybrid seeds of seed rice, subject matter is exactly how to realize the mechanization sorting of male parent paddy and maternal seed rice.
Color selector is a kind of difference according to the material optical characteristics, utilizes photoelectric technology with the equipment that the heterochromatic particle in the granule materials sorts out automatically, has characteristics such as intellectuality, high accuracy, big output, is effective equipment of realizing the seed rice mechanization production of hybrid seeds.But, realize the mechanization production of hybrid seeds of seed rice, need to solve following two problems:
1. to high-quality seed rice (female parent) and common paddy (male parent) design bran color marker; Let them that obvious color difference is arranged; Be beneficial to follow-uply carry out sorting with photoelectric colour sorter: Chinese patent " a kind of breeding method (ZL03131697.2) with hidden indicium hybrid rice " is seen in this design success at present, concrete grammar.
2. development is suitable for the color selector of seed rice:
In seed rice sowing, harvesting process; Because sneak into seeds such as weeds, foreign peoples's fruit number can heighten, when particularly adopting this breeding of father and mother mode; Must male parent paddy effectively be separated with maternal seed rice, so the seed rice color selector has proposed strict requirement to precision of color separation.At present; Existing color selector is carrying out look when selecting on the market to seed rice, and look selects effect unsatisfactory, and precision of color separation far can not satisfy the requirement of production of hybrid seeds operation; Trace it to its cause; Mainly be because existing color selector does not adopt suitable light source, optical sensor system and background board according to the spectral characteristic difference of male parent paddy and maternal seed rice when design, cause discrimination low, separating effect is poor.And to obtain the spectral characteristic difference of male parent paddy and maternal paddy, need collect, analyze paddy, the seed rice of numerous kinds.
The utility model content:
The utility model purpose is exactly in order to remedy the defective of prior art, a kind of optical system of seed rice color selector to be provided, and its recognition efficiency is high, for the separating effect that improves color selector provides good condition.
The utility model is realized through following technical scheme:
A kind of optical system of seed rice color selector; Include separation chamber's body; Be provided with material channel in separation chamber's body; It is characterized in that: the position, both sides that is positioned at material channel in the said separation chamber body is equipped with light source, background board and the optical sensor system that cooperatively interacts, and the camera lens of each optical sensor system is provided with optical bandpass filter outward, and said light source is for can send the light source that wavelength is a 530nm-630nm light; Said background board is the background board of reflection wavelength albedo >=80% when being the light of 530nm-630nm; The CCD optical sensor system of transmittancy >=90% when said optical sensor system is the light of 530nm-630nm for receiving wavelength; The optical bandpass filter of transmittancy >=50% when said optical bandpass filter is the light of 530nm-630nm for receiving wavelength.
A kind of optical system of seed rice color selector is characterized in that: said light source is to send the light source that wavelength is a 580nm light.
Said light source adopts can send the light source that comprises the light of wavelength between 530nm-630nm; Preferably, the employing wavelength that can emit beam concentrates on the light source of 580nm.
Said optical sensor system adopts wavelength the strongest CCD optical sensor system of light photoperceptivity between 530nm-630nm, and is preferred, and adopting wavelength is the strongest CCD optical sensor system of 580nm light photoperceptivity; And optical sensor system should match with light source, and promptly the high-amplitude wave that sends of CCD optical sensor system reply light source is long the most responsive.
Said background board adopts wavelength the strongest background board of light albedo between 530nm-630nm, and is preferred, is that 580nm light albedo is the strongest to wavelength; And background board should match with light source, and promptly background board is the strongest to the long albedo of high-amplitude wave that light source sends.
Also comprise optical bandpass filter; This optical bandpass filter is the strongest to wavelength light transmittancy between 530nm-630nm; The strongest to wavelength, preferred at the light light shielding ability beyond the 530nm-630nm, be that 580nm light transmittancy is the strongest to wavelength; To wavelength is that 580nm is the strongest with the UV light light shielding ability; And this optical bandpass filter should match with light source, and promptly optical bandpass filter is the strongest to the long transmittancy of high-amplitude wave that light source sends, and the high-amplitude wave length that light source is sent is the strongest with the light shielding ability of UV light.
The utility model has the advantages that:
The utility model is simple in structure; Reasonable in design, utilize optical bandpass filter to combine suitable light source and background board, utilize the maximum position of difference in the seed rice absorption spectra; Improved with respect to the bigger resolution capability of common look screening device; Can effectively improve the precision of color separation of seed rice, reduce the content of bad seed rice, increase substantially the quality of seed rice.
Description of drawings:
Fig. 1: have brown mark seed rice and common paddy spectrum analysis figure;
Fig. 2: the curve synoptic diagram of wavelength and susceptibility and optical sensor system photoelectron sensing capability;
Fig. 3: the curve synoptic diagram of light source luminescent ability and wavelength;
Fig. 4: the catoptrical wavelength curve sketch map of background board;
Fig. 5: optical filter wavelength handling capacity curve synoptic diagram;
Fig. 6: the structural representation of the utility model.
Drawing reference numeral: 1, optical sensor system; 2, optical bandpass filter; 3, background board; 4, light source; 5, material channel; 6, separation chamber's body
The specific embodiment:
A kind of optical system of seed rice color selector; Include separation chamber's body 6; Be provided with material channel 5 in separation chamber's body 6, the position, both sides that is positioned at material channel 5 in separation chamber's body 6 is equipped with the light source 4 and background board 3 that cooperatively interacts, and the outside of each background board 3 is equipped with optical sensor system 1; The camera lens of each optical sensor system 1 is provided with optical bandpass filter 2 outward, and said light source 4 is for can send the light source that wavelength is a 580m light; The background board of albedo >=80% when said background board 3 is the light of 530nm-630nm for reflection wavelength; The CCD optical sensor system of transmittancy >=90% when said optical sensor system 1 is the light of 530nm-630nm for receiving wavelength; The optical bandpass filter of transmittancy >=50% when said optical bandpass filter 2 is the light of 530nm-630nm for receiving wavelength.
Gather 196 parts of paddy and 28 parts of the seed rice that gather south China, China rice major production areas, northeast and the Yangtze river basin, and carried out spectrum analysis one by one, obtained corresponding spectral curve with brown mark.
The 6 kinds of typical brown mark seed rice that Fig. 1 provides and the spectral curve of 6 kinds of common paddy of typical case: " having brown mark seed rice and common paddy spectrum analysis figure thereof "; Among the figure lines 7., 8., 9., a, b and c be the curve of spectrum of brown mark seed rice, 1., 2., 3., 4., 5. and 6. lines are the curve of spectrum of common paddy.Can know by this figure; Interval at the 530nm-630nm spectral wavelength, the high-quality seed rice of tool bran color marker and the reflection differences of common paddy are maximum, and this just means; Interval at this spectral wavelength, the high-quality seed rice of tool bran color marker and common seed rice, common paddy are distinguished differentiation the most easily.
Fig. 1 is according to adopting spectrometer that high-quality seed rice and common heterochromatic paddy are carried out the integral light spectrogram that spectrum test generation data are drawn out; Through analysis to spectrogram; Draw under the condition of 520nm-630nm spectrum; The reflection differences of tool bran color marker seed rice and common paddy is maximum, and present embodiment is that example is described with the 580nm wavelength at this scope center.
Optical sensor system 1 is according to a black and white line array CCD optical sensor system of a suitable the utility model technical scheme of " curve synoptic diagram of wavelength and susceptibility and optical sensor system photoelectron sensing capability " shown in " having brown mark seed rice and common paddy spectrum analysis figure " shown in Figure 1 and Fig. 2 selection; In the present embodiment, this optical sensor system is that the sensing capability of 580nm light is the strongest to wavelength.
Light source 4 is according to " curve synoptic diagram of light source luminescent ability and wavelength " shown in " having brown mark seed rice and common paddy spectrum analysis figure " shown in Figure 1 and Fig. 3; The fluorescent tube of a suitable the utility model technical scheme of selecting; In the present embodiment, to send the ability of 580nm wavelength light the strongest for this light source.
The background board of a suitable the utility model technical scheme that background board 3 is selected according to " having brown mark seed rice and common paddy spectrum analysis figure " shown in Figure 1 and " the catoptrical wavelength curve sketch map of background board " shown in Figure 4; In the present embodiment, this background board is that the light albedo of 580nm is the strongest to wavelength.
The optical bandpass filter of a suitable the utility model technical scheme that optical bandpass filter 2 is selected according to " having brown mark paddy and common seed rice spectrum analysis figure " shown in Figure 1 and " optical filter wavelength handling capacity curve synoptic diagram " shown in Figure 5; In the present embodiment; This optical bandpass filter is that the light transmittancy of 580nm is the strongest for wavelength, and wavelength is had good blocking effect at the light beyond the 580nm.

Claims (5)

1. the optical system of a seed rice color selector; Include separation chamber's body; Be provided with material channel in separation chamber's body; It is characterized in that: the position, both sides that is positioned at material channel in the said separation chamber body is equipped with light source, background board and the optical sensor system that cooperatively interacts, and the camera lens of each optical sensor system is provided with optical bandpass filter outward, and said light source is for can send the light source that wavelength is a 530nm-630nm light.
2. the optical system of a kind of seed rice color selector according to claim 1 is characterized in that: said light source is to send the light source that wavelength is a 580nm light.
3. the optical system of a kind of seed rice color selector according to claim 1 is characterized in that: said background board is the background board of reflection wavelength albedo >=80% when being the light of 530nm-630nm.
4. the optical system of a kind of seed rice color selector according to claim 3 is characterized in that: the optical bandpass filter of transmittancy >=50% when said optical bandpass filter is the light of 530nm-630nm for receiving wavelength.
5. the optical system of a kind of seed rice color selector according to claim 4 is characterized in that: the CCD optical sensor system of transmittancy >=90% when said optical sensor system is the light of 530nm-630nm for receiving wavelength.
CN2011205142138U 2011-12-12 2011-12-12 Optical system of seed rice color sorter Expired - Lifetime CN202377204U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205142138U CN202377204U (en) 2011-12-12 2011-12-12 Optical system of seed rice color sorter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205142138U CN202377204U (en) 2011-12-12 2011-12-12 Optical system of seed rice color sorter

Publications (1)

Publication Number Publication Date
CN202377204U true CN202377204U (en) 2012-08-15

Family

ID=46625725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205142138U Expired - Lifetime CN202377204U (en) 2011-12-12 2011-12-12 Optical system of seed rice color sorter

Country Status (1)

Country Link
CN (1) CN202377204U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223776A (en) * 2013-05-13 2013-07-31 杭州奥普特光学有限公司 Digital ophthalmic lens jet printing machine
CN103454218A (en) * 2013-08-16 2013-12-18 合肥泰禾光电科技股份有限公司 Light path-integrated optical system for sorting materials
CN106134573A (en) * 2016-07-15 2016-11-23 湖南农业大学 A kind of Cereal aged seed reuse method
CN108126917A (en) * 2018-02-07 2018-06-08 袁隆平农业高科技股份有限公司 A kind of optics sorting unit and equipment for being used to sort deterioration rice paddy seed

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223776A (en) * 2013-05-13 2013-07-31 杭州奥普特光学有限公司 Digital ophthalmic lens jet printing machine
CN103454218A (en) * 2013-08-16 2013-12-18 合肥泰禾光电科技股份有限公司 Light path-integrated optical system for sorting materials
CN106134573A (en) * 2016-07-15 2016-11-23 湖南农业大学 A kind of Cereal aged seed reuse method
CN106134573B (en) * 2016-07-15 2019-05-03 湖南农业大学 A kind of Cereal aged seed reuse method
CN108126917A (en) * 2018-02-07 2018-06-08 袁隆平农业高科技股份有限公司 A kind of optics sorting unit and equipment for being used to sort deterioration rice paddy seed

Similar Documents

Publication Publication Date Title
CN201669229U (en) Fruit classified screening device
CN202377204U (en) Optical system of seed rice color sorter
CN103091296B (en) Plant physical condition detection method based on spectral imaging technology, and device for same
CN109692822A (en) A kind of laser material separation device and method
CN104034710A (en) Chlorophyll fluorescence and imaging technology based plant disease detection method and detection device
CN103439265A (en) Real-time monitoring method for growth characters of tea trees in intensive cultivation
CN106841116B (en) The detection method and device of artificial blue target
CN113600508B (en) Tobacco leaf tobacco bale mildenes and rot and debris monitoring system based on machine vision
CN102612892A (en) Identification method for sprouting conditions of wheat ears
CN106269570A (en) The sorting unit of material and method for separating
CN103674855B (en) Optical path system used for monitoring crop growth information
CN203178188U (en) Plant health condition detection device based on spectral imaging technique
CN207280952U (en) A kind of clipping Apple Mould Core detection device
CN206406126U (en) A kind of intelligent Jujun grasses cut-out sorting equipment
CN102519971A (en) On-line identification apparatus and method for impurities in edible fungi
CN204486324U (en) A kind of colored two CCD ginning cotton seed look selects system
CN103028555A (en) Raisin color sorting detection method based on HSI (Hue-Saturation-Intensity) color features
CN100496216C (en) NPK nutrition diagnosis method of pot flower Impatiens hawkeri
CN102239793A (en) Real-time classification method and system of rice pests
CN110369311A (en) A kind of sorted fruits device
CN203241352U (en) Near-infrared grain sorting device
CN104222327B (en) Tealeaves stalk-sorting look selects all-in-one
CN103900974A (en) Method and instrument for measuring normalized vegetation difference index
CN203353557U (en) Tea stalk-sorting and color-sorting all-in-one machine
CN203578239U (en) Oil sunflower seed color sorting machine

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120815