CN104941926A - Detection sorting device and method for rice material - Google Patents

Detection sorting device and method for rice material Download PDF

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Publication number
CN104941926A
CN104941926A CN201510404941.6A CN201510404941A CN104941926A CN 104941926 A CN104941926 A CN 104941926A CN 201510404941 A CN201510404941 A CN 201510404941A CN 104941926 A CN104941926 A CN 104941926A
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rice
blue
light source
threshold
camera
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CN104941926B (en
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李广
张夕杰
常宏
李凯
伍宏兵
李明
刘宝莹
江东
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Hefei Meyer Optoelectronic Technology Inc
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Hefei Meyer Optoelectronic Technology Inc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties
    • B07C5/342Sorting according to other particular properties according to optical properties, e.g. colour

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  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention provides a detection sorting device for a rice material. The detection sorting device is applied to sorting of transparent rice, white belly rice, pale yellow rice, deep yellow rice, and dark color foreign matter. The detection sorting device comprises a light source including the blue light spectrum and a blue light source which are arranged on the two sides of the rice material to be sorted respectively, and cameras for receiving light source signals are arranged on the two sides of the rice material respectively. The camera at the side with the light source including the blue light spectrum is used for detecting reflected and transmitted light source signals and blue light signals, wherein the light source signals and the blue light signals include the blue light spectrum. The camera on the side with the blue light source is used for detecting reflected and transmitted blue light signals and while signals. Sorting modes are configured according to the requirement for sorting the yellow rice, the requirement for classifying the transparent rice and the white belly rice and the requirement for commonly sorting the yellow rice and white rice. The invention further provides a sorting method. The detection sorting device and method for the rice material have the advantages that brought-out white belly rice is reduced, the pale yellow selecting performance is improved, the three different demands for sorting the yellow rice, the requirement for classifying the transparent rice and the white belly rice and the requirement for commonly sorting the yellow rice and white rice are met at the same time, the sorting adaptability is improved, and larger economic benefits are achieved.

Description

A kind of grouping system apparatus and method of rice material
Technical field
The invention belongs to photometric sorting technical field, relate to the scheme that look Selected Inspection is surveyed, for the heterochromatic grain impurity of sorting in rice material.
Background technology
Generally include transparent rice, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter (stone etc.) in rice, the sorting of rice mainly contains yellow, the transparent and white belly classification of choosing, the yellowish-white demand selecting together three kinds of aspects.Huang is wherein selected to be that finished product retains transparent rice and white belly rice, reject pale yellow rice, deep yellow rice, dark foreign matter, pale yellow rice, deep yellow rice, dark foreign matter are first rejected in transparent and white belly classification, then transparent rice and white belly rice are divided into the finished product of two class hierarchies, yellowish-white is that finished product retains transparent rice with choosing, rejects white belly rice, pale yellow rice, deep yellow rice, dark foreign matter.
400-500nm wave band is the characteristic wave bands of transparent rice and pale yellow rice difference in rice material, existing rice selects yellow detection scheme to be adopt separation chamber's both sides blue light source substantially, in conjunction with transmitted light and the comprehensive superimposed characteristics of reverberation of rice, obtain grey scale signal strength difference and carry out grouping system.Several material signal is transparent rice from high to low successively, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter, wherein the material signal of transparent rice and white belly rice has more overlap, the material signal of white belly rice and pale yellow rice has part overlapping, this scheme has part white belly rice and is identified by mistake when selecting pale yellow, when rice midfield rice is more, can cause selecting the decline of yellow performance in order to retain white belly rice.
Two class material sorting schemes of transparent rice and white belly rice are the schemes adopting blue light unilateral illumination, the transmitted light characteristic of rice is utilized to carry out grouping system, reach transparent rice and the classification of white belly rice, both sides blue light illumination scheme need be first used to select glutinous millet, configure blue light unilateral illumination scheme again, this needs a machines configurations twice light path, namely first both sides fluorescent tube, with driving into, row choosing is yellow retains transparent rice and white belly rice, and then a side lamp is closed, use transmissison characteristic that transparent rice is separated with white belly rice, for multichannel apparatus of selecting rice color, the both sides of each passage all need the illumination of configuration blue light, therefore this method can only select transparent rice and the sorting of white belly rice simultaneously of Huang or multichannel by multichannel simultaneously, can not accomplish that a machine portion of channel selects yellow portion of channel to carry out transparent rice and the classification of white belly rice.If adopt this scheme to select yellow portion of channel to carry out transparent rice and the classification of white belly rice in the portion of channel of a machine, then can be subject to selecting the blue illumination of yellow passage to disturb at the passage of transparent rice and the classification of white belly rice, the interference selecting yellow passage also can be subject to the blue illumination of the passage of transparent rice and abdomen rice grading, particularly the adjoining passage interference of two class passages is larger, therefore, in industry, nobody adopts the portion of channel of this scheme on a machine to select yellow portion of channel to carry out transparent rice and the classification of white belly rice at present.General use two machines carry out sorting, and namely a machine selects Huang specially, and one is carried out transparent rice and the classification of white belly rice specially.
Yellowish-white with selecting light path to adopt asymmetric fluorescent tube to configure, the more multiple blue lamp in side, the blue lamp that opposite side is a small amount of, use the camera choosing of a small amount of blue lamp side yellow, the camera of multiple blue lamp side selects white belly, transparent rice and white belly rice, pale yellow, deep yellow, dark foreign matter signal can be pulled open like this, but can only one-sided choosing yellow, suppose that fleck on rice then cannot be selected facing away from camera.And this light path allocation plan can not be applied in the yellow and transparent rice of the choosing of rice and white belly rice is classified.
Refer to a kind of detection scheme in the grouping system device of patent ZL 2,014 2 0216501.9 1 kinds of rice materials, can reduce to complete yellow, the transparent and white belly classification of choosing while white belly is taken out of, yellowish-whitely select together three kinds of different demands, improve the applicability of sorting.But this detection scheme is directed to rice material and can only ensures to select yellow effect and heterochromatic grain pattern quite, and when namely selecting pale yellow rice effect identical, falsely dropping of transparent rice is suitable.For a certain class rice, its select the effect of glutinous millet be likely worse than example institute carry yellowish-white select together light path select glutinous millet effect.
Summary of the invention
One of technical problem to be solved of the present invention be to provide a kind of can reduce choosing yellow time the taking out of of white belly rice, promote pale yellow rice performance simultaneously, and a kind of scheme completes simultaneously that choosing is yellow, transparent rice and the classification of white belly rice, the yellowish-white a kind of grouping system device of rice material with selecting three kinds of different demands.
Two of technical problem to be solved by this invention is to provide the grouping system method that can realize above-mentioned functions.
The present invention one of solves the problems of the technologies described above by the following technical solutions:
A kind of grouping system device of rice material, be applied in transparent rice, white belly rice, pale yellow rice, deep yellow rice, the sorting of dark foreign matter, comprise feeding vibrator, passage, detection system, control system, device for eliminating and material-receiving system, treat that respectively there is a set of detection system the side, front and back of sorting material, often overlap detection system and comprise light source, camera and Background apparatus, admission passage after sorting rice material is via feeding vibrator, flow through the surveyed area of camera subsequently, its image of collected by camera, and pass to control system, control system sends rejecting instruction to device for eliminating, it is characterized in that, often overlap the light source of side configuration containing blue spectrum of both sides in detection system, opposite side configuration blue light source.
The blue light signals of camera detection transmission of the light source side containing blue spectrum and the light signal containing blue spectrum of reflection, the blue light signals of the camera detection reflection of blue light source side and transmission containing the light signal of blue spectrum, according to choosing, yellow or transparent rice and the classification of white belly rice or the yellowish-white classification with choosing require a configuration point lectotype to control system.
The described light source containing blue spectrum is white lamp.
The described light source containing blue spectrum is the combination of red light, blue lamp and green light.
Or the described light source containing blue spectrum is the combination of red light, blue lamp.
Or the described light source containing blue spectrum is the combination of green light, blue lamp.
Be the situation of the combination of white lamp or red light, blue lamp and green light for the light source containing blue spectrum, yellow according to choosing or transparent rice and the classification of white belly rice or yellowish-white same choosing the classification of control system requires that the step of configuration point lectotype specifically comprises:
Suppose side ruddiness light intensity I r, green glow light intensity is I g, blue light light intensity is I b1, side blue light source light intensity I b2, transparent rice, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter reflectivity S are S respectively 1, S 2, S 3, S 4, S 5, transparent rice, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter transmissivity T are T respectively 1, T 2, T 3, T 4, T 5.
Wherein: S 2>=S 1> S 3> S 4> S 5t 1>=T 3>=T 4> T 2> T 5
The signal that rice material uses this scheme to detect contains the information of each spectrum material reverberation and transmitted light.The transparent rice of light source side containing blue spectrum, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1, B 2, B 3, B 4, B 5, green signal intensity G is G respectively 1, G 2, G 3, G 4, G 5, red signal light intensity R is R respectively 1, R 2, R 3, R 4, R 5.The transparent rice in blue light source side, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1 ', B 2 ', B 3 ', B 4 ', B 5 ', green signal intensity G is G respectively 1 ', G 2 ', G 3 ', G 4 ', G 5 ', red signal light intensity R is R respectively 1 ', R 2 ', R 3 ', R 4 ', R 5 '.
Light source side B=I containing blue spectrum b1× S+I b2× T; R=I r× S; G=I g× S
Blue light source side B=I b2× S+I b1× T; R=I r× T; G=I g× T
Due to the translucent characteristics of rice, the signal that camera signal obtains is rice to the result of the comprehensive combination of light reflection and transmission.Suppose according to reflection and the transmission experiment of material, the blue light signals difference size of transparent rice, white belly rice, several material of pale yellow rice is relevant with the size of m.
Work as 0<m<x 1time (x 1a value in the middle of 0-1):
The red signal light size of the light source side rice material containing blue spectrum is successively: R 2>=R 1> R 3> R 4> R 5; Green optical signal size is successively: G 2>=G 1> G 3> G 4> G 5; Blue light signals size is B successively 1> B 3> B 2> B 4> B 5;
The red signal light size of blue light source side rice material is successively: R 1'>=R 3' > R 4' > R 2' > R 5'; Green optical signal size is successively: G 1'>=G 3' > G 4' > G 2' > G 5'; Blue light signals size is B successively 2'>=B 1' > B 3' > B 4' > B 5'.
Work as x 1<m<x 2time (x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10):
The red signal light size of the light source side rice material containing blue spectrum is successively: R 2>=R 1> R 3> R 4> R 5; Green optical signal size is successively: G 2>=G 1> G 3> G 4> G 5; Blue light signals size is B successively 1> B 2> B 3> B 4> B 5;
The red signal light size of blue light source side rice material is successively: R 1'>=R 3' > R 4' > R 2' > R 5'; Green optical signal size is successively: G 1'>=G 3' > G 4' > G 2' > G 5'; Blue light signals size is B successively 1' > B 2' > B 3' > B 4' > B 5'.
Work as m>x 2time (x 2a value in the middle of 1-10):
The red signal light size of the light source side rice material containing blue spectrum is successively: R 2>=R 1> R 3> R 4> R 5; Green optical signal size is successively: G 2>=G 1> G 3> G 4> G 5; Blue light signals size is successively: B 2>=B 1> B 3> B 4> B 5.
The red signal light size of blue light source side rice material is successively: R 1'>=R 3' > R 4' > R 2' > R 5'; Green optical signal size is successively: G 1'>=G 3' > G 4' > G 2' > G 5'; Blue light signals size is successively: B 1'>=B 3' > B 2' > B 4' > B 5'.
From above theory analysis, no matter white lamp and blue light source side m value are selected much, several rice is constant in red and green characteristic, and the identification of white belly rice can utilize the reflection and transmission characteristic of ruddiness and green glow.Several rice blue signal, can to transparent rice along with m value difference, and white belly rice, the characteristics of signals of pale yellow rice changes, and can affect the signal difference size of several material, can affect the recognition performance between transparent rice and pale yellow rice.
According to multiple producing region rice material experimental result, as 0<m<10, one or more m value can be found, the difference of transparent rice and pale yellow rice is increased, promote the performance selecting pale yellow rice.Therefore m need choose a reasonable value in above-mentioned scope.
Select the optimum configurations of yellow pattern as follows:
1,0<m<x is worked as 1(x 1a value in the middle of 0-1): the camera of the light source side containing blue spectrum, according to above-mentioned theory analysis, B 1> B 3> B 2> B 4> B 5, B 1(transparent rice blue light signals), B 3a blue thresholds B is selected between (pale yellow rice blue light signals) n1as the critical value that choosing is yellow, only use B n1parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 1or G 1(transparent silver pink light, green reflection signal), R 2or G 2a red threshold R is selected between (white belly silver pink light, green reflection signal) n1or green threshold G n1as critical value, R 1≤ R n1<R 2or G 1≤ G n1<G 2, when the camera of this side detects the red signal light of rice material or green optical signal is greater than this red threshold R n1or green threshold G n1time, then retain this material, otherwise reject.The camera of blue light source side, according to material blue light signals size, B 2'>=B 1' > B 3' > B 4' > B 5', therefore can not take white belly rice out of when selecting pale yellow.
2, x is worked as 1<m<x 2(x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10): the camera of the light source side containing blue spectrum, material blue light signals B 1> B 2> B 3> B 4> B 5, B 2(white belly rice blue light signals) ,b 3a blue thresholds B is selected between (pale yellow rice blue light signals) n2as the critical value that choosing is yellow, wherein B 2and B 3between have overlap, only use B n2parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 1or G 1(transparent silver pink light, green reflection signal), R 2or G 2a red threshold R is selected between (white belly silver pink light, green reflection signal) n2or green threshold G n2as critical value, R 1≤ R n2<R 2or G 1≤ G n2<G 2, when the camera of this side detects the red signal light of rice material or green optical signal is greater than this red threshold R n2or green threshold G n2time, then retain this material, otherwise reject.In order to prevent dark foreign matter to be retained, at B in the camera of both sides 4(blue light signals of deep yellow rice), B 5a blue thresholds B is selected between (blue light signals of dark foreign matter) n2' as the critical value selecting dark impurity.
The camera of blue light source side, B 1' > B 2' > B 3' > B 4' > B 5', B 2' (white belly rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n2" as the yellow critical value of choosing, wherein B 2' and B 3' between have overlap, only use B n2" parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 4' or G 4' (deep yellow transmit red light, green optical signal), R 2' or G 2' select a red threshold R between (white belly rice transmit red light, green optical signal) n2' or green threshold G n2' as critical value, R 2≤ R n2' <R 4or G 2≤ G n2' <G 4, when the camera of this side detects the red signal light of rice material or green optical signal is less than this red threshold R n2' or green threshold G n2' time, then retain this material, otherwise reject.In order to prevent dark foreign matter to be retained, at B in the camera of both sides 4' (blue light signals of deep yellow rice), B 5' select a blue thresholds B between (blue light signals of dark foreign matter) n2" ' as the critical value selecting dark impurity.
3, m>x is worked as 2time (x 2a value in the middle of 1-10): the camera of the light source side containing blue spectrum, according to material blue light signals size, B 2>=B 1> B 3> B 4> B 5, therefore can not take white belly rice out of when selecting pale yellow.
The camera of blue side, according to above-mentioned theory analysis, B 1' > B 3' > B 2' > B 4' > B 5'.B 1' (transparent rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n3as the critical value that choosing is yellow, only use B n3parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 4' or G 4' (deep yellow transmit red light, green optical signal), R 2' or G 2' select a red threshold R between (white belly rice transmit red light, green optical signal) n3or green threshold G n3as critical value, R 2'≤R n3<R 4' or G 2'≤G n3<G 4', when the camera of this side detects the red signal light of rice material or green optical signal is less than this red threshold R n3or green threshold G n3time, then retain this material, otherwise reject.In order to prevent dark foreign matter to be retained, at B in the camera of both sides 4' (blue light signals of deep yellow rice), B 5' select a blue thresholds B between (blue light signals of dark foreign matter) n3' as the critical value selecting dark impurity.By choosing a rational m size, compared to traditional detection scheme, the difference of transparent rice and pale yellow rice also can increase.
The optimum configurations of transparent rice and white belly rice classification mode is as follows,
After selecting Huang by above-mentioned steps, pale yellow, deep yellow, the dark impurity in rice is rejected, retains transparent rice and white belly rice, transparent rice and white belly rice classification arrange as follows, according to the transmissison characteristic of two class rice, the camera of white lamp side is red or value of green signal magnitude according to material, at R 1or G 1(transparent rice transmit green signal), R 2or G 2a red threshold R is selected between (white belly rice transmit green signal) n4or green threshold G n4as the critical value of classification, R n4>R 1or G n4>G 1, the material being greater than this threshold value is disallowable.The camera of blue lamp side is red or value of green signal magnitude according to material, at R 1' or G 1' (transparent rice transmit red light, green optical signal), R 2' or G 2' select a red threshold R between (white belly rice transmit red light, green optical signal) n4' or green threshold G n4' make the critical value of classifying, R 2≤ R n4' <R 1or G 2≤ G n4' <G 1, the material being less than this threshold value is disallowable.According to describing above, the material blue light signals of white belly rice and transparent rice has part overlapping, and red signal light and green optical signal do not exist overlapping, and therefore, white belly rice and transparent rice can separate by this kind of optimum configurations.
The optimum configurations of yellowish-white same lectotype is as follows:
1,0<m<x is worked as 1(x 1a value in the middle of 0-1):
The camera of the light source side containing blue spectrum, according to above-mentioned theory analysis, B 1> B 3> B 2> B 4> B 5, B 1(transparent rice blue light signals), B 3a blue thresholds B is selected between (pale yellow rice blue light signals) n5as the critical value that choosing is yellow, be less than threshold value B n5can accomplish that pale yellow rice and white belly rice are rejected simultaneously.
The camera of blue light source side, according to above-mentioned theory analysis, B 2'>=B 1' > B 3' > B 4' > B 5'.B 1' (transparent rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n5' as selecting pale yellow critical value, be less than threshold value B n5' pale yellow rice can be rejected.As mentioned above, white belly rice and transparent rice signal likely have overlap, at R 1' or G 1' (transparent silver pink or green optical signal), R 2' or G 2' choose a red threshold R between (white belly silver pink or green optical signal) n5or green threshold G n5, R 2'≤R n5<R 1' or G 2' <G n5<G 1', the material being less than this threshold value is disallowable, can reject white belly rice.
2, x is worked as 1<m<x 2(x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10): the camera of the light source side containing blue spectrum, material blue light signals B 1> B 2> B 3> B 4> B 5, B 1(transparent rice blue light signals) ,b 2a blue thresholds B is selected between (white belly rice blue light signals) n6as the critical value that choosing is yellow.Transparent rice and white belly rice signal have overlap, at R 1or G 1(transparent silver pink or green optical signal), R 2or G 2a red threshold R is chosen between (white belly silver pink or green optical signal) n6or green threshold G n6, R n6>R 1or G n6>G 1, the material being greater than this threshold value is disallowable, can reject white belly rice.
The camera of blue light source side, material blue light signals B 1' > B 2' > B 3' > B 4' > B 5', B 1' (transparent rice blue light signals), B 2' select a blue thresholds B between (white belly rice blue light signals) n6' as the yellow critical value of choosing.Transparent rice and white belly rice signal have overlap, at R 1' or G 1' (transparent silver pink or green optical signal), R 2' or G 2' choose a red threshold R between (white belly silver pink or green optical signal) n6' or green threshold G n6', R 2'≤R " ' <R 1' or G 2' <G " ' <G 1', the material being less than this threshold value is disallowable, can reject white belly rice.
Work as m>x 2time (x 2a value in the middle of 1-10): the camera of the light source side containing blue spectrum, according to above-mentioned theory analysis, B 2>=B 1> B 3> B 4> B 5.B 1(transparent rice blue light signals), B 3a blue thresholds B is selected between (pale yellow rice blue light signals) n7as selecting pale yellow critical value, be less than threshold value B n7pale yellow rice can be rejected.As mentioned above, white belly rice and transparent rice signal likely have overlap, at R 1or G 1(transparent silver pink or green optical signal), R 2or G 2a red threshold R is chosen between (white belly silver pink or green optical signal) n7or green threshold G n7, R n7>R 1or G n7>G 1,the material being greater than this threshold value is disallowable, can reject white belly rice.The camera of blue light source side, according to above-mentioned theory analysis, B 1' > B 3' > B 2' > B 4' > B 5', B 1' (transparent rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n7' as the yellow critical value of choosing, be less than threshold value B n7' can accomplish that pale yellow rice and white belly rice are rejected simultaneously.
When the camera of the light source side containing blue spectrum be red light, blue lamp combination time, above-mentioned each optimum configurations mode is applicable equally, only need when select red threshold values or green threshold values can, select red threshold values.
Or the described light source containing blue spectrum is the combination of green light, blue lamp, and now, above-mentioned each optimum configurations mode is applicable equally, only need when select red threshold values or green threshold values can, select green threshold values.
Choosing of above-described m value, realize best select pale yellow effect time, different material and different schemes require that the value chosen is different, the interval range 0.1-10 of m value.
The algorithm application of the above several modes includes but not limited to above-mentioned algorithm flow, such as utilizes the colouring information obtaining material, is distinguished by the color distortion of transparent rice, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter.
Describe according to above, when adopting said method carries out rice sorting, for reaching different sorting demands, do not need the change carrying out light path configuration again, only need to carry out different optimum configurations and passable, therefore, the look that simultaneously can realize several routine of client on a multichannel color selector selects demand, and select yellow performance scheme more in the past to promote to some extent, the effect that new departure improves sorting can reduce financial cost simultaneously.
In addition, the present invention realizes above-mentioned technical problem two by the following technical solutions: the present invention also provides a kind of method using the grouping system device of the rice material of above-mentioned any one to carry out sorting, comprises the steps:
Step S1: configuration light path:
Treating that rice material two side position of sorting arranges the light source containing blue spectrum in side respectively, side arranges blue light source, rice material both sides respectively arrange the camera receiving light signal, the blue light signals of camera detection transmission of the light source side containing blue spectrum and the light signal containing blue spectrum of reflection, the blue light signals of camera detection reflection of blue light source side and the light signal containing blue spectrum of transmission.
Step S2: yellow according to choosing or transparent rice and the classification of white belly rice or yellowish-white same choosing classification requires configuration point lectotype.
In above-mentioned two schemes, the light source of the light source side containing blue spectrum can be fluorescent tube or LED.
In such scheme, wherein, the wavelength of described blue light source is between 400-500nm, and the optical source wavelength containing blue spectrum is between 400-670nm.
In such scheme, optimization, blue light source and material line and chief ray angle are at 10-40 °, and the light source containing blue spectrum and material line and chief ray angle are at 10-40 °, and the angle of camera and material line and chief ray is at 0 °-5 °.
The invention has the advantages that: when rice choosing is yellow, reduce taking out of of white belly rice, pale yellow effect is selected significantly to promote, and accomplish that a kind of scheme completes that choosing is yellow simultaneously, transparent rice and the classification of white belly rice, yellowish-white with selecting three kinds of different demands, improve the applicability of sorting, thus bring larger economic benefit.
Accompanying drawing explanation
Fig. 1 is the index path that the grouping system of the embodiment of the present invention one rice material uses.
Fig. 2 is the index path that the grouping system of the embodiment of the present invention two rice material uses.
Fig. 3 is the index path that the grouping system of the embodiment of the present invention three rice material uses.
Fig. 4 is the index path that the grouping system of the embodiment of the present invention four rice material uses.
Fig. 5 is the grouping system device schematic diagram of the embodiment of the present invention five rice material.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In following examples, this food is rice, comprises the transparent rice in rice, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter (stone) etc. here.Under selecting yellow pattern, retain material and comprise transparent rice, white belly rice, foreign matter comprises pale yellow rice, deep yellow rice, dark foreign matter, and under yellowish-white same lectotype, retain material and comprise transparent rice, foreign matter comprises white belly rice, pale yellow rice, deep yellow rice, dark foreign matter.
Embodiment one
Refer to shown in Fig. 1, in this embodiment, illuminace component comprises 4 groups of white light sources, 2 groups of blue light sources.Wherein white light source is LED or fluorescent tube, and spectrum is between 400-670nm, and blue light source is LED or fluorescent tube, and spectrum is between 400-500nm.White light source and material line and chief ray angle are at 15 °-40 °, and preferably 30 °, blue light source and material line and chief ray angle are at 15 °-40 °, and preferably 30 °, wherein, chief ray refers to the light perpendicular with face, material whereabouts to be measured.
In this embodiment, also comprise one group of background light source, comprising reflective and transmission-type, background is mainly in order to pull open the difference with material signal, and background light source is blue, and background light source is LED or fluorescent tube, and spectrum is between 400-500nm.
In this embodiment, camera is used for detecting material reflection and transmission signal, if needed, after image procossing, can differentiate the various material characteristics in this material.
In this embodiment, camera is colored three line scanner video camera, white light source side camera detection be material reflection, the white light of transmission, blue light information, blue light source side camera detection be material reflection, the blue light of transmission, white light information, the angle of camera and material line and chief ray is at 0 °-5 °.
Due to the translucent characteristics of rice, the signal that camera signal obtains is rice to the result of the comprehensive combination of light reflection and transmission.Suppose according to reflection and the transmission experiment of material, the blue light signals size of white light source side rice material is relevant with the size of m.
In this embodiment, 0<m<x is worked as 1time (x 1a value in the middle of 0-1), the blue light signals size of white light source side rice material is transparent rice, pale yellow rice, white belly rice, deep yellow rice, dark impurity (stone) successively, red signal light size is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively, and green optical signal size is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively.The blue light signals size of blue light source side rice material is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively, red signal light size is transparent rice, pale yellow rice, deep yellow rice, white belly rice, dark impurity (stone) successively, and green optical signal size is transparent rice, pale yellow rice, deep yellow rice, white belly rice, dark impurity (stone) successively.
Wherein white light source side rice material, white belly rice blue light signals is weaker than pale yellow rice, white belly silver pink value and value of green signal much larger than pale yellow rice, transparent rice and pale yellow rice blue value signal slightly overlapping.Blue light source side rice material, white belly rice signal and transparent rice signal have overlapping, much larger than pale yellow rice, white belly silver pink value and value of green signal much smaller than pale yellow rice, transparent rice and pale yellow rice blue value signal slightly overlapping.
Work as x 1<m<x 2(x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10: the camera of white light source side and blue light source side, material blue light signals size is transparent rice, white belly rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively, red signal light size is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively, and green optical signal size is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively.
Wherein the white belly rice blue light signals of both sides is slightly better than pale yellow rice, white belly silver pink value and value of green signal much larger than pale yellow rice, transparent rice and pale yellow rice blue value signal slightly overlapping.
Work as m>x 2time (x 2a value in the middle of 1-10), the blue light signals size of white light source side rice material is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively.Red signal light size is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively, and green optical signal size is white belly rice, transparent rice, pale yellow rice, deep yellow rice, dark impurity (stone) successively.The blue light signals size of blue light source side rice material is transparent rice, pale yellow rice, white belly rice, deep yellow rice, dark impurity (stone) successively, red signal light size is transparent rice, pale yellow rice, deep yellow rice, white belly rice, dark impurity (stone) successively, and green optical signal size is transparent rice, pale yellow rice, deep yellow rice, white belly rice, dark impurity (stone) successively.
Wherein white light source side rice material, white belly rice signal and transparent rice signal have overlapping, much larger than pale yellow rice, white belly silver pink value and value of green signal much larger than pale yellow rice, transparent rice and pale yellow rice blue value signal slightly overlapping.Blue light source side rice material, white belly rice blue value signal is weaker than pale yellow rice, white belly silver pink value and value of green signal much smaller than pale yellow rice, transparent rice and pale yellow rice blue value signal slightly overlapping.
According to above-mentioned analysis, by selecting rational m value size, the difference between transparent rice and pale yellow rice can be increased, in conjunction with above-mentioned analysis result, selecting rational algorithm model, taking out of of white belly rice can be reduced, promoting the recognition performance of pale yellow rice simultaneously.
Select the optimum configurations of yellow pattern as follows:
1,0<m<x is worked as 1(x 1a value in the middle of 0-1): the camera of white light source side, according to above-mentioned theory analysis, B 1> B 3> B 2> B 4> B 5, B 1(transparent rice blue light signals), B 3a blue thresholds B is selected between (pale yellow rice blue light signals) n1as the critical value that choosing is yellow, only use B n1parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 1or G 1(transparent silver pink light, green reflection signal), R 2or G 2a red threshold R is selected between (white belly silver pink light, green reflection signal) n1or green threshold G n1as critical value, R 1≤ R n1<R 2or G 1≤ G n1<G 2, when the camera of this side detects the red signal light of rice material or green optical signal is greater than this red threshold R n1or green threshold G n1time, then retain this material, otherwise reject.The camera of blue light source side, according to material blue light signals size, B 2'>=B 1' > B 3' > B 4' > B 5', therefore can not take white belly rice out of when selecting pale yellow.
2, x is worked as 1<m<x 2(x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10): the camera of white light source side, material blue light signals B 1> B 2> B 3> B 4> B 5, B 2(white belly rice blue light signals), B 3a blue thresholds B is selected between (pale yellow rice blue light signals) n2as the critical value that choosing is yellow, wherein B 2and B 3between have overlap, only use B n2parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 1or G 1(transparent silver pink light, green reflection signal), R 2or G 2a red threshold R is selected between (white belly silver pink light, green reflection signal) n2or green threshold G n2as critical value, R 1≤ R n2<R 2or G 1≤ G n2<G 2, when the camera of this side detects the red signal light of rice material or green optical signal is greater than this red threshold R n2or green threshold G n2time, then retain this material, otherwise reject.In order to prevent dark foreign matter to be retained, at B in the camera of both sides 4(blue light signals of deep yellow rice), B 5a blue thresholds B is selected between (blue light signals of dark foreign matter) n2' as the critical value selecting dark impurity.
The camera of blue light source side, B 1' > B 2' > B 3' > B 4' > B 5', B 2' (white belly rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n2" as the yellow critical value of choosing, wherein B 2' and B 3' between have overlap, only use B n2" parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 4' or G 4' (deep yellow transmit red light, green optical signal), R 2' or G 2' select a red threshold R between (white belly rice transmit red light, green optical signal) n2' or green threshold G n2' as critical value, R 2≤ R n2' <R 4or G 2≤ G n2' <G 4, when the camera of this side detects the red signal light of rice material or green optical signal is less than this red threshold R n2' or green threshold G n2' time, then retain this material, otherwise reject.In order to prevent dark foreign matter to be retained, at B in the camera of both sides 4' (blue light signals of deep yellow rice), B 5' select a blue thresholds B between (blue light signals of dark foreign matter) n2" ' as the critical value selecting dark impurity.
3, m>x is worked as 2time (x 2a value in the middle of 1-10): the camera of white light source side, according to material blue light signals size, B 2>=B 1> B 3> B 4> B 5, therefore can not take white belly rice out of when selecting pale yellow.
The camera of blue side, according to above-mentioned theory analysis, B 1' > B 3' > B 2' > B 4' > B 5'.B 1' (transparent rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n3as the critical value that choosing is yellow, only use B n3parameter can take white belly rice out of.In order to reduce taking out of of white belly rice, at R 4' or G 4' (deep yellow transmit red light, green optical signal), R 2' or G 2' select a red threshold R between (white belly rice transmit red light, green optical signal) n3or green threshold G n3as critical value, R 2'≤R n3<R 4' or G 2'≤G n3<G 4', when the camera of this side detects the red signal light of rice material or green optical signal is less than this red threshold R n3or green threshold G n3time, then retain this material, otherwise reject.In order to prevent dark foreign matter to be retained, at B in the camera of both sides 4' (blue light signals of deep yellow rice), B 5' select a blue thresholds B between (blue light signals of dark foreign matter) n3' as the critical value selecting dark impurity.By choosing a rational m size, compared to traditional detection scheme, the difference of transparent rice and pale yellow rice also can increase.
The optimum configurations of transparent rice and white belly rice classification mode is as follows,
After selecting Huang by above-mentioned steps, pale yellow, deep yellow, the dark impurity in rice is rejected, retains transparent rice and white belly rice, transparent rice and white belly rice classification arrange as follows, according to the transmissison characteristic of two class rice, the camera of white lamp side is red or value of green signal magnitude according to material, at R 1or G 1(transparent rice transmit green signal), R 2or G 2a red threshold R is selected between (white belly rice transmit green signal) n4or green threshold G n4as the critical value of classification, R n4>R 1or G n4>G 1, the material being greater than this threshold value is disallowable.The camera of blue lamp side is red or value of green signal magnitude according to material, at R 1' or G 1' (transparent rice transmit red light, green optical signal), R 2' or G 2' select a red threshold R between (white belly rice transmit red light, green optical signal) n4' or green threshold G n4' make the critical value of classifying, R 2≤ R n4' <R 1or G 2≤ G n4' <G 1, the material being less than this threshold value is disallowable.According to describing above, the material blue light signals of white belly rice and transparent rice has part overlapping, and red signal light and green optical signal do not exist overlapping, and therefore, white belly rice and transparent rice can separate by this kind of optimum configurations.
The optimum configurations of yellowish-white same lectotype is as follows:
2,0<m<x is worked as 1(x 1a value in the middle of 0-1):
The camera of white light source side, according to above-mentioned theory analysis, B 1> B 3> B 2> B 4> B 5, B 1(transparent rice blue light signals), B 3a blue thresholds B is selected between (pale yellow rice blue light signals) n5as the critical value that choosing is yellow, be less than threshold value B n5can accomplish that pale yellow rice and white belly rice are rejected simultaneously.
The camera of blue light source side, according to above-mentioned theory analysis, B 2'>=B 1' > B 3' > B 4' > B 5'.B 1' (transparent rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n5' as selecting pale yellow critical value, be less than threshold value B n5' pale yellow rice can be rejected.As mentioned above, white belly rice and transparent rice signal likely have overlap, at R 1' or G 1' (transparent silver pink or green optical signal), R 2' or G 2' choose a red threshold R between (white belly silver pink or green optical signal) n5or green threshold G n5, R 2'≤R n5<R 1' or G 2' <G n5<G 1', the material being less than this threshold value is disallowable, can reject white belly rice.
2, x is worked as 1<m<x 2(x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10): the camera of white light source side, material blue light signals B 1> B 2> B 3> B 4> B 5, B 1(transparent rice blue light signals), B 2a blue thresholds B is selected between (white belly rice blue light signals) n6as the critical value that choosing is yellow.Transparent rice and white belly rice signal have overlap, at R 1or G 1(transparent silver pink or green optical signal), R 2or G 2a red threshold R is chosen between (white belly silver pink or green optical signal) n6or green threshold G n6, R n6>R 1or G n6>G 1, the material being greater than this threshold value is disallowable, can reject white belly rice.
The camera of blue light source side, material blue light signals B 1' > B 2' > B 3' > B 4' > B 5', B 1' (transparent rice blue light signals), B 2' select a blue thresholds B between (white belly rice blue light signals) n6' as the yellow critical value of choosing.Transparent rice and white belly rice signal have overlap, at R 1' or G 1' (transparent silver pink or green optical signal), R 2' or G 2' choose a red threshold R between (white belly silver pink or green optical signal) n6' or green threshold G n6', R 2'≤R " ' <R 1' or G 2' <G " ' <G 1', the material being less than this threshold value is disallowable, can reject white belly rice.
Work as m>x 2time (x 2a value in the middle of 1-10): the camera of white light source side, according to above-mentioned theory analysis, B 2>=B 1> B 3> B 4> B 5.B 1(transparent rice blue light signals) ,b 3a blue thresholds B is selected between (pale yellow rice blue light signals) n7as selecting pale yellow critical value, be less than threshold value B n7pale yellow rice can be rejected.As mentioned above, white belly rice and transparent rice signal likely have overlap, at R 1or G 1(transparent silver pink or green optical signal), R 2or G 2a red threshold R is chosen between (white belly silver pink or green optical signal) n7or green threshold G n7, R n7>R 1or G n7>G 1, the material being greater than this threshold value is disallowable, can reject white belly rice.The camera of blue light source side, according to above-mentioned theory analysis, B 1' > B 3' > B 2' > B 4' > B 5', B 1' (transparent rice blue light signals), B 3' select a blue thresholds B between (pale yellow rice blue light signals) n7' as the yellow critical value of choosing, be less than threshold value B n7' can accomplish that pale yellow rice and white belly rice are rejected simultaneously.
In this embodiment, all white light sources can use shades of colour combination of light sources to form.
In this embodiment, under selecting the condition of pale yellow rice best results, the interval range 0.1-10 of m value.
In this embodiment, the number combinations of two-side lighting light source is not limited to the quantity that embodiment is mentioned.
Embodiment two
This embodiment and embodiment one difference are, the camera of the light source side containing blue spectrum is the combination of red light, green light, blue lamp, and as shown in Figure 2, now, in embodiment one, each optimum configurations mode is applicable equally.
Embodiment three
This embodiment and embodiment one difference are, the camera of the light source side containing blue spectrum is the combination of red light, blue lamp, as shown in Figure 3, now, in embodiment one, each optimum configurations mode is applicable equally, only need when select red threshold values or green threshold values can, select red threshold values.
Embodiment four
This embodiment and embodiment one difference are, the described light source containing blue spectrum is the combination of green light, blue lamp, as shown in Figure 4, now, in embodiment one, each optimum configurations mode is applicable equally, only need when select red threshold values or green threshold values can, select green threshold values.
Embodiment five
Refer to Fig. 5, a kind of rice material sorting device, comprise feeding vibrator 1, passage 2, detection system, control system (not shown), device for eliminating 5 and material-receiving system 6, treat that respectively there is a set of detection system the side, front and back of sorting material.Side detection system comprises white light source 33, camera 38, Background apparatus 39.Side detection system comprises blue light source 32, camera 38, Background apparatus 39.
Treating that the rice material side of sorting arranges containing the light source of blue spectrum, any one combination as disclosed in embodiment one to four of the light source containing blue spectrum can, side arranges blue light source.
The light source containing blue spectrum in described detection system at least arranges two groups, and blue light source is at least provided with two groups.
Wherein blue light source is LED or fluorescent tube, and spectrum is between 400-500nm, and the light source containing blue spectrum is LED or fluorescent tube, and spectrum is between 400-670nm.Blue light source and material line and chief ray angle at 10 °-40 °, preferably 30 °, the light source containing blue spectrum and material line and chief ray angle at 10 °-40 °, preferably 30 °.
In this embodiment, also comprise one group of background light source, comprising reflective and transmission-type, background is mainly in order to pull open the difference with material signal, and background light source is blue, and be LED or fluorescent tube, spectrum is between 400-500nm.
In this embodiment, camera is three line scanner video camera or colour TV camera, the blue light signals of camera detection transmission of the light source side containing blue spectrum and the light signal containing blue spectrum of reflection, the blue light signals of camera detection reflection of blue light source side and the light signal containing blue spectrum of transmission, the angle of camera and material line and chief ray is at 0-5 °.
After adopting the optimum configurations described in content of the present invention, namely this device can be adopted to carry out the sorting of rice, admission passage 2 after sorting rice material is via feeding vibrator 1, flow through the surveyed area of camera 38 subsequently, camera 38 gathers its image, and passing to control system, control system sends rejecting instruction to device for eliminating 5.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; the any amendment done within all spirit in the invention and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in the invention.

Claims (20)

1. the grouping system device of a rice material, be applied in transparent rice, white belly rice, pale yellow rice, deep yellow rice, the sorting of dark foreign matter, comprise feeding vibrator, passage, detection system, control system, device for eliminating and material-receiving system, treat that respectively there is a set of detection system the side, front and back of sorting material, often overlap detection system and comprise light source, camera and Background apparatus, admission passage after sorting rice material is via feeding vibrator, flow through the surveyed area of camera subsequently, its optical signal of collected by camera, and pass to control system, control system sends rejecting instruction to device for eliminating, it is characterized in that, often overlap the light source of side configuration containing blue spectrum of both sides in detection system, opposite side configuration blue light source.
2. the grouping system device of a kind of rice material as claimed in claim 1, it is characterized in that: the blue light signals of camera detection transmission of the light source side containing blue spectrum and the light signal containing blue spectrum of reflection, the blue light signals of the camera detection reflection of blue light source side and transmission containing the light signal of blue spectrum, according to choosing, yellow or transparent rice and the classification of white belly rice or the yellowish-white classification with choosing require a configuration point lectotype to control system.
3. the grouping system device of a kind of rice material as claimed in claim 2, is characterized in that: the described light source containing blue spectrum is the combination of red light, blue lamp and green light.
4. the grouping system device of a kind of rice material as claimed in claim 2, is characterized in that: the described light source containing blue spectrum is white lamp.
5. the grouping system device of a kind of rice material as described in claim 3 or 4, is characterized in that: select the optimum configurations of yellow pattern as follows:
First define: the transparent rice of the light source side containing blue spectrum, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1, B 2, B 3, B 4, B 5, green signal intensity G is G respectively 1, G 2, G 3, G 4, G 5, red signal light intensity R is R respectively 1, R 2, R 3, R 4, R 5, ruddiness light intensity I r, green glow light intensity is I g, blue light light intensity is I b1; The transparent rice in blue light source side, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1', B 2', B 3', B 4', B 5', green signal intensity G is G respectively 1', G 2', G 3', G 4', G 5', red signal light intensity R is R respectively 1', R 2', R 3', R 4', R 5', blue light source light intensity I b2;
(1), 0<m<x is worked as 1, x 1a value in the middle of 0-1: the camera of the light source side containing blue spectrum is at B 1and B 3between select a blue thresholds B n1as the critical value that choosing is yellow, at R 1and R 2or G 1and G 2between select a red threshold R n1or green threshold G n1as critical value, when the camera of this side detects the red signal light of rice material or green optical signal is greater than this red threshold R n1or green threshold G n1time, then retain this material, otherwise reject;
(2), x is worked as 1<m<x 2, x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum is at B 2and B 3between select a blue thresholds B n2as the critical value that choosing is yellow, at R 1and R 2or G 1and G 2between select a red threshold R n2or green threshold G n2as critical value, when the camera of this side detects the red signal light of rice material or green optical signal is greater than this red threshold R n2or green threshold G n2time, then retain this material, otherwise reject, at B 4and B 5between select a blue thresholds B n2' as the critical value selecting dark impurity;
The camera of blue light source side, at B 2' and B 3' between select a blue thresholds B n2" as the yellow critical value of choosing, at R 4' and R 2' or G 4' and G 2' between select a red threshold R n2' or green threshold G n2' as critical value, R 2≤ R n2' <R 4or G 2≤ G n2' <G 4, when the camera of this side detects the red signal light of rice material or green optical signal is less than this red threshold R n2' or green threshold G n2' time, then retain this material, otherwise reject, at B 4' and B 5' between select a blue thresholds B n2" ' as the critical value selecting dark impurity;
(3), m>x is worked as 2time, x 2a value in the middle of 1-10:
The camera of blue light source side is at B 1' and B 3' between select a blue thresholds B n3as the critical value that choosing is yellow, at R 4' and R 2' or G 4' and G 2' between select a red threshold R n3or green threshold G n3as critical value, R 2'≤R n3<R 4' or G 2'≤G n3<G 4', when the camera of this side detects the red signal light of rice material or green optical signal is less than this red threshold R n3or green threshold G n3time, then retain this material, otherwise reject, at B 4' and B 5' between select a blue thresholds B n3' as the critical value selecting dark impurity.
6. the grouping system device of a kind of rice material as claimed in claim 5, is characterized in that: the optimum configurations of transparent rice and white belly rice classification mode is as follows:
After selecting Huang, carry out transparent rice and the classification of white belly rice, specifically comprise:
According to the transmissison characteristic of transparent rice and white belly rice, the camera of the light source side containing blue spectrum is red or value of green signal magnitude according to material, at R 1and R 2or G 1and G 2between select a red threshold R n4or green threshold G n4as the critical value of classification, the material being greater than this threshold value is disallowable, and the camera of blue light source side is red or value of green signal magnitude according to material, at R 1' and R 2' or G 1' and G 2' between select a red threshold R n4' or green threshold G n4' make the critical value of classifying, the material being less than this threshold value is disallowable.
7. the grouping system device of a kind of rice material as described in claim 3 or 4, is characterized in that: the optimum configurations of yellowish-white same lectotype is as follows:
First define: the transparent rice of the light source side containing blue spectrum, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1, B 2, B 3, B 4, B 5, green signal intensity G is G respectively 1, G 2, G 3, G 4, G 5, red signal light intensity R is R respectively 1, R 2, R 3, R 4, R 5, ruddiness light intensity I r, green glow light intensity is I g, blue light light intensity is I b1; The transparent rice in blue light source side, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1', B 2', B 3', B 4', B 5', green signal intensity G is G respectively 1', G 2', G 3', G 4', G 5', red signal light intensity R is R respectively 1', R 2', R 3', R 4', R 5' ' blue light source light intensity I b2;
(1), 0<m<x is worked as 1, x 1a value in the middle of 0-1:
The camera of the light source side containing blue spectrum is at B 1and B 3between select a blue thresholds B n5as the critical value that choosing is yellow, be less than threshold value B n5accomplish that pale yellow rice and white belly rice are rejected simultaneously, the camera of blue light source side, at B 1' and B 3' between select a blue thresholds B n5' as selecting pale yellow critical value, be less than threshold value B n5' pale yellow rice is rejected, at R 1' and R 2' or G 1' and G 2' between choose a red threshold R n5or green threshold G n5, the material being less than this threshold value is disallowable, namely rejects white belly rice;
(2), x is worked as 1<m<x 2, x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum, at B 1and B 2between select a blue thresholds B n6as the critical value that choosing is yellow, at R 1and R 2or G 1and G 2between choose a red threshold R n6or green threshold G n6, the material being greater than this threshold value is disallowable, namely rejects white belly rice; The camera of blue light source side, at B 1' and B 2' between select a blue thresholds B n6' as the yellow critical value of choosing, at R 1' and R 2' or G 1' and G 2' between choose a red threshold R n6' or green threshold G n6', the material being less than this threshold value is disallowable, namely rejects white belly rice;
(3), m>x is worked as 2time, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum, at B 1and B 3between select a blue thresholds B n7as selecting pale yellow critical value, be less than threshold value B n7pale yellow rice is rejected, at R 1and R 2or G 1and G 2between choose a red threshold R n7or green threshold G n7, the material being greater than this threshold value is disallowable, namely rejects white belly rice; The camera of blue light source side, at B 1' and B 3' between select a blue thresholds B n7' as the yellow critical value of choosing, be less than threshold value B n7' accomplish that pale yellow rice and white belly rice are rejected simultaneously.
8. the grouping system device of a kind of rice material as claimed in claim 2, is characterized in that: the described light source containing blue spectrum is the combination of red light, blue lamp.
9. the grouping system device of a kind of rice material as claimed in claim 8, is characterized in that: select the optimum configurations of yellow pattern as follows:
First define: the transparent rice of the light source side containing blue spectrum, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1, B 2, B 3, B 4, B 5, red signal light intensity R is R respectively 1, R 2, R 3, R 4, R 5, ruddiness light intensity I r, blue light light intensity is I b1; The transparent rice in blue light source side, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1', B 2', B 3', B 4', B 5', red signal light intensity R is R respectively 1', R 2', R 3', R 4', R 5', blue light source light intensity I b2;
(1), 0<m<x is worked as 1, x 1a value in the middle of 0-1: the camera of the light source side containing blue spectrum is at B 1and B 3between select a blue thresholds B n1as the critical value that choosing is yellow, at R 1and R 2between select a red threshold R n1as critical value, the red signal light detecting rice material when the camera of this side is greater than this red threshold R n1time, then retain this material, otherwise reject;
(2), x is worked as 1<m<x 2, x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum is at B 2and B 3between select a blue thresholds B n2as the critical value that choosing is yellow, at R 1and R 2between select a red threshold R n2as critical value, the red signal light detecting rice material when the camera of this side is greater than this red threshold R n2, then retain this material, otherwise reject, at B 4and B 5between select a blue thresholds B n2' as the critical value selecting dark impurity;
The camera of blue light source side, at B 2' and B 3' between select a blue thresholds B n2" as the yellow critical value of choosing, at R 4' and R 2' between select a red threshold R n2' as critical value, the red signal light detecting rice material when the camera of this side is less than this red threshold R n2' time, then retain this material, otherwise reject, at B 4' and B 5' between select a blue thresholds B n2" ' as the critical value selecting dark impurity;
(3), m>x is worked as 2time, x 2a value in the middle of 1-10: the camera of blue light source side is at B 1' and B 3' between select a blue thresholds B n3as the critical value that choosing is yellow, at R 4' and R 2' between select a red threshold R n3as critical value, the red signal light detecting rice material when the camera of this side is less than this red threshold R n3time, then retain this material, otherwise reject, at B 4' and B 5' between select a blue thresholds B n3' as the critical value selecting dark impurity.
10. the grouping system device of a kind of rice material as claimed in claim 9, is characterized in that: the optimum configurations of transparent rice and white belly rice classification mode is as follows:
After selecting Huang, carry out transparent rice and the classification of white belly rice, specifically comprise:
According to the transmissison characteristic of transparent rice and white belly rice, the camera containing blue spectrum light source side according to material red value signal magnitude, at R 1and R 2between select a red threshold R n4as classification critical value, the material being greater than this threshold value is disallowable, the camera of blue lamp side according to material red value signal magnitude, at R 1' and R 2' between select a red threshold R n4' make the critical value of classifying, the material being less than this threshold value is disallowable.
The grouping system device of 11. a kind of rice materials as claimed in claim 8, is characterized in that: the optimum configurations of yellowish-white same lectotype is as follows:
First define: the transparent rice of the light source side containing blue spectrum, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1, B 2, B 3, B 4, B 5, red signal light intensity R is R respectively 1, R 2, R 3, R 4, R 5, ruddiness light intensity I r, blue light light intensity is I b1; The transparent rice in blue light source side, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1', B 2', B 3', B 4', B 5', red signal light intensity R is R respectively 1', R 2', R 3', R 4', R 5' ' blue light source light intensity I b2;
(1), 0<m<x is worked as 1, x 1a value in the middle of 0-1:
The camera of the light source side containing blue spectrum is at B 1and B 3between select a blue thresholds B n5as the critical value that choosing is yellow, be less than threshold value B n5accomplish that pale yellow rice and white belly rice are rejected simultaneously, the camera of blue light source side, at B 1' and B 3' between select a blue thresholds B n5' as selecting pale yellow critical value, be less than threshold value B n5' pale yellow rice is rejected, at R 1' and R 2' between choose a red threshold R n5, the material being less than this threshold value is disallowable, namely rejects white belly rice;
(2), x is worked as 1<m<x 2, x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum, at B 1and B 2between select a blue thresholds B n6as the critical value that choosing is yellow, at R 1and R 2between choose a red threshold R n6, the material being greater than this threshold value is disallowable, namely rejects white belly rice; The camera of blue light source side, at B 1' and B 2' between select a blue thresholds B n6' as the yellow critical value of choosing, at R 1' and R 2' between choose a red threshold R n6', the material being less than this threshold value is disallowable, namely rejects white belly rice;
(3), m>x is worked as 2time, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum, at B 1and B 3between select a blue thresholds B n7as selecting pale yellow critical value, be less than threshold value B n7pale yellow rice is rejected, at R 1and R 2between choose a red threshold R n7, the material being greater than this threshold value is disallowable, namely rejects white belly rice; The camera of blue light source side, at B 1' and B 3' between select a blue thresholds B n7' as the yellow critical value of choosing, be less than threshold value B n7' accomplish that pale yellow rice and white belly rice are rejected simultaneously.
The grouping system device of 12. a kind of rice materials as claimed in claim 2, is characterized in that: the described light source containing blue spectrum is the combination of blue lamp and green light.
The grouping system device of 13. a kind of rice materials as claimed in claim 12, is characterized in that: select the optimum configurations of yellow pattern as follows:
First define: the transparent rice of the light source side containing blue spectrum, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1, B 2, B 3, B 4, B 5, green signal intensity G is G respectively 1, G 2, G 3, G 4, G 5, green glow light intensity is I g, blue light light intensity is I b1; The transparent rice in blue light source side, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1', B 2', B 3', B 4', B 5', green signal intensity G is G respectively 1', G 2', G 3', G 4', G 5', blue light source light intensity I b2;
(1), 0<m<x is worked as 1, x 1a value in the middle of 0-1: the camera of the light source side containing blue spectrum is at B 1and B 3between select a blue thresholds B n1as the critical value that choosing is yellow, at G 1and G 2between select a green threshold G n1as critical value, when the camera of this side detects the red signal light of rice material or green optical signal is greater than this green threshold G n1time, then retain this material, otherwise reject;
(2), x is worked as 1<m<x 2, x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum is at B 2and B 3between select a blue thresholds B n2as the critical value that choosing is yellow, at G 1and G 2between select a green threshold G n2as critical value, the green optical signal detecting rice material when the camera of this side is greater than this green threshold G n2time, then retain this material, otherwise reject, at B 4and B 5between select a blue thresholds B n2' as the critical value selecting dark impurity;
The camera of blue light source side, at B 2' and B 3' between select a blue thresholds B n2" as the yellow critical value of choosing, at G 4' and G 2' between select a green threshold G n2' as critical value, the green optical signal detecting rice material when the camera of this side is less than this green threshold G n2' time, then retain this material, otherwise reject, at B 4' and B 5' between select a blue thresholds B n2" ' as the critical value selecting dark impurity;
(3), m>x is worked as 2time, x 2a value in the middle of 1-10: the camera of blue light source side is at B 1' and B 3' between select a blue thresholds B n3as the critical value that choosing is yellow, at G 4' and G 2' between select a green threshold G n3as critical value, the green optical signal detecting rice material when the camera of this side is less than this green threshold G n3time, then retain this material, otherwise reject, at B 4' and B 5' between select a blue thresholds B n3' as the critical value selecting dark impurity.
The grouping system device of 14. a kind of rice materials as claimed in claim 13, is characterized in that: the optimum configurations of transparent rice and white belly rice classification mode is as follows:
After selecting Huang, carry out transparent rice and the classification of white belly rice, specifically comprise:
According to the transmissison characteristic of transparent rice and white belly rice, the camera of the light source side containing blue spectrum according to material value of green signal magnitude, at G 1and G 2between select a green threshold G n4as the critical value of classification, the material being greater than this threshold value is disallowable, and the camera of blue light source side is red or value of green signal magnitude according to material, at G 1' and G 2' between select a green threshold G n4' make the critical value of classifying, G 2≤ G n4' <G 1, the material being less than this threshold value is disallowable.
The grouping system device of 15. a kind of rice materials as claimed in claim 12, is characterized in that: the optimum configurations of yellowish-white same lectotype is as follows:
First define: the transparent rice of the light source side containing blue spectrum, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1, B 2, B 3, B 4, B 5, green signal intensity G is G respectively 1, G 2, G 3, G 4, G 5, green glow light intensity is I g, blue light light intensity is I b1; The transparent rice in blue light source side, white belly rice, pale yellow rice, deep yellow rice, dark foreign matter blue light signals intensity B are B respectively 1', B 2', B 3', B 4', B 5', green signal intensity G is G respectively 1', G 2', G 3', G 4', G 5', blue light source light intensity I b2;
(1), 0<m<x is worked as 1, x 1a value in the middle of 0-1:
The camera of the light source side containing blue spectrum is at B 1and B 3between select a blue thresholds B n5as the critical value that choosing is yellow, be less than threshold value B n5accomplish that pale yellow rice and white belly rice are rejected simultaneously, the camera of blue light source side, at B 1' and B 3' between select a blue thresholds B n5' as selecting pale yellow critical value, be less than threshold value B n5' pale yellow rice is rejected, at G 1' and G 2' between choose a green threshold G n5, the material being less than this threshold value is disallowable, namely rejects white belly rice;
(2), x is worked as 1<m<x 2, x 1for a value in the middle of 0-1, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum, at B 1and B 2between select a blue thresholds B n6as the critical value that choosing is yellow, at G 1and G 2between choose a green threshold G n6, the material being greater than this threshold value is disallowable, namely rejects white belly rice; The camera of blue light source side, at B 1' and B 2' between select a blue thresholds B n6' as the yellow critical value of choosing, at G 1' and G 2' between choose a green threshold G n6', the material being less than this threshold value is disallowable, namely rejects white belly rice;
(3), m>x is worked as 2time, x 2a value in the middle of 1-10: the camera of the light source side containing blue spectrum, at B 1and B 3between select a blue thresholds B n7as selecting pale yellow critical value, be less than threshold value B n7pale yellow rice is rejected, at G 1and G 2between choose a green threshold G n7, the material being greater than this threshold value is disallowable, namely rejects white belly rice; The camera of blue light source side, at B 1' and B 3' between select a blue thresholds B n7' as the yellow critical value of choosing, be less than threshold value B n7' accomplish that pale yellow rice and white belly rice are rejected simultaneously.
The grouping system device of 16. a kind of rice materials as described in any one of claim 1 to 15, is characterized in that: the wavelength of described blue light source is between 400-500nm, and the optical source wavelength containing blue spectrum is between 400-670nm.
The grouping system device of 17. a kind of rice materials as described in any one of claim 1 to 15, it is characterized in that: blue light source and material line and chief ray angle are at 10-40 °, light source containing blue spectrum and material line and chief ray angle are at 10-40 °, and the angle of camera and material line and chief ray is at 0 °-5 °.
The grouping system device of 18. a kind of rice materials as described in any one of claim 1 to 15, is characterized in that: the light source containing blue spectrum in described detection system at least arranges two groups, and blue light source is at least provided with two groups.
The grouping system device of 19. a kind of rice materials as described in any one of claim 1 to 15, is characterized in that: the described light source containing blue spectrum is made up of several color light source in equal angular position or is made up of several color light source at Difference angles.
20. use the grouping system device of the rice material of any one of the claims 1 to 19 to carry out the method for sorting, it is characterized in that: comprise the steps:
Step S1: configuration light path:
Treating that rice material two side position of sorting arranges the light source containing blue spectrum in side respectively, side arranges blue light source, rice material both sides respectively arrange the camera receiving light signal, the blue light signals of camera detection transmission of the light source side containing blue spectrum and the light signal containing blue spectrum of reflection, the blue light signals of camera detection reflection of blue light source side and the light signal containing blue spectrum of transmission.
Step S2: yellow according to choosing or transparent rice and the classification of white belly rice or yellowish-white same choosing classification requires configuration point lectotype.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3263233A1 (en) 2016-06-28 2018-01-03 Buhler Sortex Ltd. Illumination devices
CN108339763A (en) * 2018-01-31 2018-07-31 合肥美亚光电技术股份有限公司 Color sorting device and with its color selector and based on its color selection method
WO2021060465A1 (en) * 2019-09-27 2021-04-01 株式会社サタケ Hulling apparatus and hulling control system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1419969A (en) * 2001-11-09 2003-05-28 株式会社佐竹 Device for sorting grain color of optical detection devcie with linear sensor comprising charge coupling device
KR20030088706A (en) * 2002-05-14 2003-11-20 주식회사 네오스캔 Rice-selecting device by color light intensity
CN101088633A (en) * 2006-06-15 2007-12-19 株式会社佐竹 Optical cracked-grain selector
JP2009240876A (en) * 2008-03-29 2009-10-22 Satake Corp Optical rice grain sorter
CN201357151Y (en) * 2009-02-19 2009-12-09 金云飞 Multifunctional color sorter
JP2010042326A (en) * 2008-08-08 2010-02-25 Satake Corp Optical cereal grain sorting apparatus
CN103934223A (en) * 2014-04-29 2014-07-23 合肥美亚光电技术股份有限公司 Detecting and sorting method and device for rice material
CN204842263U (en) * 2015-07-09 2015-12-09 合肥美亚光电技术股份有限公司 Detecting and sorting device of rice material

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1419969A (en) * 2001-11-09 2003-05-28 株式会社佐竹 Device for sorting grain color of optical detection devcie with linear sensor comprising charge coupling device
KR20030088706A (en) * 2002-05-14 2003-11-20 주식회사 네오스캔 Rice-selecting device by color light intensity
CN101088633A (en) * 2006-06-15 2007-12-19 株式会社佐竹 Optical cracked-grain selector
JP2009240876A (en) * 2008-03-29 2009-10-22 Satake Corp Optical rice grain sorter
JP2010042326A (en) * 2008-08-08 2010-02-25 Satake Corp Optical cereal grain sorting apparatus
CN201357151Y (en) * 2009-02-19 2009-12-09 金云飞 Multifunctional color sorter
CN103934223A (en) * 2014-04-29 2014-07-23 合肥美亚光电技术股份有限公司 Detecting and sorting method and device for rice material
CN204842263U (en) * 2015-07-09 2015-12-09 合肥美亚光电技术股份有限公司 Detecting and sorting device of rice material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3263233A1 (en) 2016-06-28 2018-01-03 Buhler Sortex Ltd. Illumination devices
WO2018002185A1 (en) 2016-06-28 2018-01-04 Buhler Sortex Ltd Sorting or classifying apparatus
US10987701B2 (en) 2016-06-28 2021-04-27 Bühler UK Limited Sorting or classifying apparatus
CN108339763A (en) * 2018-01-31 2018-07-31 合肥美亚光电技术股份有限公司 Color sorting device and with its color selector and based on its color selection method
WO2021060465A1 (en) * 2019-09-27 2021-04-01 株式会社サタケ Hulling apparatus and hulling control system

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