CN108339763A - Color sorting device and with its color selector and based on its color selection method - Google Patents
Color sorting device and with its color selector and based on its color selection method Download PDFInfo
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- CN108339763A CN108339763A CN201810093843.9A CN201810093843A CN108339763A CN 108339763 A CN108339763 A CN 108339763A CN 201810093843 A CN201810093843 A CN 201810093843A CN 108339763 A CN108339763 A CN 108339763A
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- viewpoint
- visor
- light source
- color
- color sorting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting 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
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting 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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
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Abstract
The invention discloses a kind of color sorting device, color selector and a kind of color selection method, color sorting device includes：First color sorting component, the first color sorting component include the first visor and first light source, and there is the first visor the first viewpoint, first light source to have the first illumination zone；Second color sorting component, the second color sorting component include the second visor and second light source, and there is the second visor the second viewpoint, second light source to have the second illumination zone；Wherein, the first viewpoint and the second viewpoint are spaced apart on the direction of travel of material to be seen, and the first viewpoint and the first visor are located at outside the second illumination zone, and the second viewpoint and the second visor are located at outside the first illumination zone.Color sorting device according to the ... of the embodiment of the present invention, the first visor and the second visor are not in bright spot, bright face in imaging, and image definition is higher, can reduce false recognition rate.
Description
Technical field
The present invention relates to sorting of granular material technical field, more particularly to a kind of color sorting device and with its color selector and
Color selection method based on the color sorting device.
Background technology
Color selector in the related technology mostly uses greatly the same multi-viewpoint structure of binoculars, and light is all disposed in material front-rear direction
Source under the irradiation of light source, while acquiring the feature in certain former and later two direction of material, ensures the integrality of material information acquisition,
The discrimination for improving color selector, especially improves the discrimination of the material different to different location feature.But this technology can be
Bright spot, bright face are formed at viewpoint, influence the material recognition of image procossing.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the embodiment of the first aspect of the present invention is to propose a kind of color sorting device, the color sorting device false recognition rate
It is relatively low.
The embodiment of second aspect of the present invention proposes that a kind of color selector, the efficiency of the color selector are higher.
The embodiment of third aspect present invention proposes that a kind of color sorting point-score, the color selection method are the color based on above-described embodiment
Choosing method.
The color sorting device of embodiment according to a first aspect of the present invention, including：First color sorting component, the first color sorting component
Including the first visor and first light source, there is first visor the first viewpoint, the first light source to have the first illumination zone；
Second color sorting component, the second color sorting component include the second visor and second light source, and second visor has the second viewpoint,
The second light source has the second illumination zone；Wherein, the row of first viewpoint and second viewpoint in material to be seen
It is spaced apart on into direction, first viewpoint and first visor are located at outside second illumination zone, second viewpoint
It is located at outside first illumination zone with second visor.
Color sorting device according to the ... of the embodiment of the present invention, the first visor and the second visor imaging when be not in bright spot, it is bright
Face, image definition is higher, can reduce false recognition rate.
In addition, color sorting device according to the above embodiment of the present invention, can also have following additional technical characteristic：
According to one embodiment of present invention, the chief ray of the first light source is regarded with first viewpoint and described second
The angle α of the normal plane of the line of point meets：0+7°<α<- 2 ° of arcos (L*sin (θ/2)/D), wherein the first light source is
Point light source, θ be first illumination zone dispersion angle, spacing of the D between first viewpoint and first viewpoint,
L is first light source to the spacing between the first viewpoint；The chief ray of the second light source and first viewpoint and described second
The angle α of the normal plane of the line of viewpoint ' meet：0+7°<α’<- 2 ° of arcos (L ' * sin (θ '/2)/D), wherein described second
Light source is point light source, and θ ' is the dispersion angle of second illumination zone, and D is between first viewpoint and second viewpoint
Spacing, L ' is second light source to the spacing between the second viewpoint.
According to one embodiment of present invention, angle α and angle α ' in the range of 10 ° to 40 °；Preferably, angle α
And angle α ' in the range of 25 ° to 35 °.
According to one embodiment of present invention, the space D of first viewpoint and second viewpoint is in 1mm-10mm models
In enclosing.
According to one embodiment of present invention, the line between the first visor and the first viewpoint is regarded with the second visor and second
The angle of line between point is β, wherein 160 °≤β≤200 °.
According to one embodiment of present invention, the first light source and the second light source include lampshade；Described first
Light source and second light source can be LED light, laser, halogen lamp or fluorescent tube.
The color selector of embodiment according to a second aspect of the present invention, including：Feed system, receiving hopper, the receiving hopper and institute
The outlet for stating feed system is opposite, and the receiving hopper is for accepting the material that the feed system transfers out；Color sorting device, it is described
Color sorting device is the color sorting device according to any one of claim 1-6, and the observation position is located at the feed system
Outlet and the receiving hopper between.
Color selector according to the ... of the embodiment of the present invention, since color selector is provided with above-mentioned color sorting device, color selector has
Higher treatment effeciency.
The color selection method of embodiment according to a third aspect of the present invention, first viewpoint is located at institute on the direction of travel
The upstream of the second viewpoint is stated, the color selection method includes：S1 obtains the detection knot of first visor and second visor
Fruit；S2 respectively analyzes the testing result of first visor and second visor, judges whether to meet and rejects item
Part；S3, the material to meeting kick-out condition are rejected..
Color selection method according to the ... of the embodiment of the present invention can be applied to different occasions.
According to one embodiment of present invention, step S2 includes：Compare detection of first visor in first time t1
As a result in the testing result of the second time t2 and determine whether to meet kick-out condition with second visor, wherein described first
Time t1 is less than the second time t2.
According to one embodiment of present invention, the difference of the second time t2 and first time t1 be equal to first viewpoint and
The ratio of the spacing and material falling speed of second viewpoint.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Fig. 1 is the structural schematic diagram of color sorting device in the prior art；
Fig. 2 is the structural schematic diagram of the color sorting device of color sorting device according to an embodiment of the invention；
Fig. 3 is the structural schematic diagram of color selector according to an embodiment of the invention.
Reference numeral：
Label in attached drawing 1：
Color sorting device 100 ',
First color sorting component 10 ', the first visor 11 ', the first viewpoint 111 ', first light source 12 ',
Second color sorting component 20 ', the second visor 21 ', the second viewpoint 211 ', second light source 22 ', the second illumination zone
221’。
Label in attached drawing 2-3：
Color sorting device 100,
First color sorting component 10, the first visor 11, the first viewpoint 111, first light source 12,
Second color sorting component 20, the second visor 21, the second viewpoint 211, second light source 22, the second illumination zone 221,
Color selector 1,
Feed system 200, vibrator 201, feeding-passage 202,
Receiving hopper 300, the first splicing chamber 301, the second splicing chamber 302,
Valve 400 is sprayed,
Material 500 to be seen.
Specific implementation mode
The material image that visor in the related technology is acquired is that light source is formed by the irreflexive light of surface of material
Image；In current binoculars under the optical texture scheme of viewpoint, when viewpoint is passed through in the upper and lower end face of material, it is in material one
The light source of side is irradiated to the surface of material.
Specifically, the first viewpoint 111 ' is overlapped with the second viewpoint 211 '.
For example, as shown in Figure 1, color sorting device 100 ' in the related technology substantially may include：First color sorting component
10 ' and the second color sorting component 20 ', the first color sorting component 10 ' and the second color sorting component 20 ' be symmetrical set, material to be seen
500 ' direction of travel is that from top to bottom, the first viewpoint 111 ' and the second viewpoint 211 ' are same point.It is with the first visor 11 '
The illumination zone of example, 21 ' corresponding second light source 22 ' of the second visor is limited in 11 ' top of the first visor, and the second illumination model
It includes the first viewpoint 111 ' and the second viewpoint 211 ' to enclose 221 ', when 500 ' edge of material to be seen passes through the first viewpoint 111 ' and the
When two viewpoints 211 ', 500 ' surface of material to be seen can have certain points when being cambered surface, keep some light of second light source 22 ' straight
It connects mirror-reflection and enters the first visor 11 ', this part enters the light of the first visor 11 ', and brightness is significantly greater than first light source
12 ' side where the first visor 11 ' the irreflexive light in 500 ' surface of material to be seen, can be acquired in the first visor 11 '
Bright spot is formed on image；When 500 ' surface of material to be seen is non-cambered surface, it is assumed that 500 ' surface of material to be seen there are some point,
Specific towards upper, which can make the reflected light of some light of second light source 22 ' enter the first visor 11 ', material to be seen
500 ' in dropping process, when by the first viewpoint 111 ' and the second viewpoint 211 ', the surface of material 500 ' to be seen towards at
Randomness is presented in position of randomness namely some above-mentioned point so that cause the reflected light of some light of second light source 22 ' into
The possibility for entering the first viewpoint 111 ' is also presented randomness, occurs the phenomenon that bright spot on the first visor 11 ' acquisition image and also presents
Randomness.
Therefore, because the reflex of surface of material, the light source of material side can be reflected into another by an angle
The visor of side so that the intensity of light is apparently higher than normal signal value at viewpoint, forms bright spot or bright face, influences image procossing
And material recognition, when especially identifying small material, the valid pixel of material can be greatly decreased in bright spot or bright face；Such as beans
Class material, since the shape of beans material is spherical in shape and surface is smooth, the angle of upper and lower end face is gradual change, and there is always a positions
It sets so that a side light source can enter in the visor of the other side by reflection, and a bright ring is finally formed around material.For not
The material of regular shape can then fall to state when viewpoint because of material, occur bright spot at random on the image of material.
For the bright spot occurred in the above situation, the prior art is solved using the method for image procossing, such as to figure
As carrying out cutting edge treated, or removal speck algorithm (by filtering bright spot, not to being identified at bright spot).These processing sides
The advantage of method is simple, directly can partly solve the problems, such as this with algorithm.
But drawback is that these processing methods do not eradicate this problem, for big material, although the bright spot picture filtered with algorithm
The opposite whole pixel ratio of element is few, will not significantly affect recognition effect, but there is also local bad points to be filtered without effectively knowing
Other possibility；In addition for small material, image of acquisition pixel number itself is few, and filtering bright spot can significantly affect recognition effect, and
Not handling bright spot can be such that false recognition rate increases.
To solve the above-mentioned problems, the present invention proposes a kind of color sorting device 100, and basis is described referring to Fig. 2 to Fig. 3
The color sorting device 100 of the embodiment of the present invention.
As shown in Figure 2 to Figure 3, which substantially may include：First color sorting component 10 and the second color sorting component
20。
Specifically, as depicted in figs. 1 and 2, the first color sorting component 10 include the first visor 11 and first light source 12, first
There is visor 11 first viewpoint 111, first light source 12 to have the first illumination zone (not shown).Second color sorting component 20 wraps
The second visor 21 and second light source 22 are included, there is the second visor 21 second viewpoint 211, second light source 22 to have the second illumination zone
221。
For this purpose, the present invention provides a solution, the first viewpoint 111 and the second viewpoint 211 are spaced apart.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
As shown in Fig. 2, color sorting device 100 according to the ... of the embodiment of the present invention, the color sorting device 100 may include：First color
Select component 10 and the second color sorting component 20.
Specifically, as shown in Fig. 2, the first color sorting component 10 includes the first visor 11 and first light source 12, the first visor
11 there is the first viewpoint 111, first light source 12 to have the first illumination zone (not shown).Second color sorting component 20 includes the
There is the second viewpoint 211, second light source 22 to have the second illumination zone 221 for two visors 21 and second light source 22, the second visor 21.
First viewpoint 111 and the second viewpoint 211 are respectively positioned on the position where material when visor observes material, and first regards
Point 111 and the second viewpoint 211 are spaced apart on the direction of travel of material 500 to be seen, the first viewpoint 111 and the first visor 11
In outside the second illumination zone 221, the second viewpoint 211 and the second visor 21 are located at outside first illumination zone, the first color sorting group
Part 10 is oppositely arranged with the second color sorting component 20 relative to viewpoint.
Color sorting device 100 according to the ... of the embodiment of the present invention, by the way that the first viewpoint 111 and the second viewpoint 211, and first is arranged
Viewpoint 111 and the second viewpoint 211 are spaced apart on 500 direction of travel of material to be seen, and the first visor 11 and the second visor 21 exist
Be not in bright spot, bright face when imaging, image definition is higher, can reduce false recognition rate.
Wherein, the first visor 11 of the first color sorting component 10 can be one or more, and first light source 12 can be one
Or multiple (two in such as Fig. 2 and Fig. 3), for example, when with multiple first visors 11, the first of this multiple first visor 11
Viewpoint 111 can overlap.
Similarly, the second visor 21 of the second color sorting component 20 can be one or more, and second light source 22 can be one
Or multiple (two in such as Fig. 2 and Fig. 3), for example, when with multiple second visors 12, the second of this multiple second visor 12
Viewpoint 121 can overlap.
First viewpoint 111 and the second viewpoint 211 may each be fixed point (its spatial position is constant), the first viewpoint 111
It can't be moved with the movement of material to be seen with the position of the second viewpoint 211.
Preferably, the point of observation of the first visor 11 and the second visor 21 can change, that is to say, that with to be seen
The movement of material 500, the first visor 11 and the second visor 21 will observe the different location on material 500 to be seen.For example, waiting seeing
Examine material 500 be moved to observation position when, in 500 moving process of material to be seen, the first visor 11 and the second visor 21 exist
What each moment was observed is the point on 500 surface of material to be seen, and as the movement of material 500 to be seen, first regards
Composition is located at a line on 500 surface of material to be seen by the point of observation of mirror 11, and the point of observation of the second visor 21 also will composition
A line positioned at 500 surface of material to be seen.
Wherein, point of observation refers to the point observed by visor in observed surface of material, for example, observing material in visor
When a region on surface, visor will be by adjusting will be the point of observation after the area reduction to predetermined extent.For example, the
One visor 11 and the second visor 21 can be observed by the way that Zoom sensor (not shown) is arranged, and be passed by zoom
When the focus of visor is adjusted in surface of material by sensor, the focus of visor is point of observation above-mentioned.
Wherein, the first color sorting component 10 and the second color sorting component 20 are opposite relative to observation position, the first color sorting component 10
Can be symmetrical arranged with the second color sorting component 20, for example, can be the first color sorting component 10 and the second color sorting component 20 can be close
It is symmetrical arranged in a certain plane, a certain straight line or certain point, certainly, the first color sorting component 10 and the second color sorting component 20 also can be non-
It is symmetrical arranged.For example, the first color sorting component 10 and the second color sorting component 20 or so are opposite.
For example, to be seen as shown in Fig. 2, the first color sorting component 10 and the second color sorting component 20 are symmetrical set
The direction of travel of material 500 is that from top to bottom, the first viewpoint 111 is located at 211 top of the second viewpoint.Specifically, the first color sorting
Component 10 is located at left side, the second color sorting component 20 is located at right side, and the light that first light source 12 is sent out is that the first viewpoint 111 provides photograph
Bright, the light that second light source 22 is sent out is that the second viewpoint 211 provides illumination, since the second viewpoint 211 and the second visor 21 are located at the
Outside one illumination zone, the first viewpoint 111 and the first visor 11 are located at outside the second illumination zone 221, and the first viewpoint 111 and second
Viewpoint 211 is spaced a predetermined distance, and the light source of homonymy will not be directly incident in the visor of the other side, in this way, not interfering with imaging.
Wherein, left and right directions is direction shown in Fig. 2.
When the first viewpoint 111 is passed through in 500 lower end of material to be seen, light of 500 surface of material to be seen to first light source 12
The diffusing reflection of line enters the first visor 11 and forms image, at this point, material to be seen 500 not yet reaches the second viewpoint 211, second regards
Mirror 21 can not acquire the image of material 500 to be seen, therefore the second visor 21 is not in bright spot.When under material 500 to be seen
Fail two 211 positions of viewpoint when, according between the size of material 500 to be seen and the first viewpoint 111 and the second viewpoint 211 away from
From, the first viewpoint 111 may, may not also be on material 500 to be seen, if the first viewpoint 111 is in material 500 to be seen
On, 500 surface of material to be seen forms image to the diffusing for light of second light source 22 into the second visor 21, meanwhile,
500 surface of material to be seen forms image to the diffusing for light of first light source 12 into the first visor 11, at this point, material
Itself the light that 12 send out can be sheltered from without entering visor 21, while the light that 22 send out can also be sheltered from without entering visor
11, so two visor independent imagings by being influenced on side light source without being formed bright spot.If the first viewpoint 111 is not waiting for
It observes on material 500, principle is similar with the above process, i.e., the first viewpoint 111,11 nothing of the first visor is already expired in material 500 to be seen
Method acquires the image of material 500 to be seen, therefore the first visor 11 is not in bright spot.
It will not be influenced as a result, by second light source 22 when the first visor 11 acquisition image, the second visor 21 acquires image
Shi Buhui is influenced by first light source 12, solves the problems, such as that edge bright spot occurs in material 500 to be seen in image.First color
It selects component 10 and the second color sorting component 20 to be equivalent to two independent optical systems, eliminates interfering with each other for stray light.
In some embodiments, the method for the line of the chief ray of first light source 12 and the first viewpoint 111 and the second viewpoint 211 is flat
The angle α in face meets：0+7°<α<- 2 ° of arcos (L*sin (θ/2)/D), wherein first light source 12 is point light source, and θ is described the
The dispersion angle of the upper and lower directions of one illumination zone, spacing of the D between the first viewpoint 111 and the first viewpoint 111, L first
Spacing between the 12 to the first viewpoint of light source 111, wherein angle α and θ are not shown in figure；And the key light of second light source 22
The angle α of the normal plane of line and the line of the first viewpoint 111 and the second viewpoint 211 ' meet：0+7°<α’<arcos(L’*sin
(θ '/2)/D) -2 °, wherein second light source 22 is point light source, and θ ' is the dispersion angle of the second illumination zone 221, and D is first to regard
Spacing between point 111 and the second viewpoint 211, spacing of the L ' between the 22 to the second viewpoint of second light source 211.Wherein, key light
Line refers to the center line of imaging beam.
Specifically, by taking first light source 12 as an example, α is generally higher than 0 °, but in order to avoid being irradiated to 111 He of the first viewpoint simultaneously
Second viewpoint 211, α need satisfaction 0<α<arcos(L*sin(θ/2)/D).It can be seen that α is limited by D, L and θ, and D, L
Color selection effect is influenced with θ, if L and θ are too big, first light source 12 can be made to be deteriorated the brightness of illumination of material 500 to be seen, influenced
The signal-to-noise ratio of first visor 11；If the too small arrangements that can influence other component of L；If θ is too small, first light source 12 can be caused
Illumination uniformity is deteriorated.For specific reflection to α, α is smaller, and the illumination uniformity of material 500 to be seen is poorer, and angle [alpha] is got over
Greatly, the riding position of the first visor 11 and the second visor 21 just moves down, and influences the installation of color sorting device 100.To sum up consider, α is excellent
It is selected as 0+7 °<α<arcos(L*sin(θ/2)/D)-2°.
Optionally, angle α and angle α ' in the range of 10 ° to 40 °；Preferably, angle α and angle α ' at 25 °
To in the range of 35 °.For example, α can be 10 °, 20 °, 30 °, 40 ° etc., α ' can be 10 °, 20 °, 30 °, 40 ° etc..Certainly, on
It states embodiment to be only illustrative, limiting the scope of the invention can not be interpreted as, for example, angle α and angle α '
It is smaller than 10 ° or more than 40 °.
Certainly, the light source in the present invention is not necessarily point light source, such as light source is arranged to area source or source of parallel light.
Material is after color sorting device 100, if meeting the requirement (such as uneven color is even) of rejecting, needs pair
Material is rejected, and therefore, can be arranged after the first viewpoint 111 and the second viewpoint 121 and be rejected position, be filled by color sorting
It after setting 100 detection, is required if meeting and rejecting, material will be removed rejecting position.
In some specific embodiments, the space D of the first viewpoint 111 and the second viewpoint 211 is within the scope of 1mm-10mm.It waits seeing
The track consistency for examining material 500 is better, and the deviation delta t of delay time is just smaller, and it is also higher to reject precision.Material to be seen
500 in the increase with travel distance, and the consistency of track is deteriorated, so the distance for rejecting position to viewpoint should be short as possible.But
The arrangement of double vision point needs certain spacing to ensure that light source can separate to illuminate, and to consider the optical path arrangement of visor and light source not
It can mutually block.Therefore the spacing d of double vision point is needed in a rational range such as 1 ㎜ -10mm, and preferred scope is 3 ㎜ -7mm,
It just can guarantee the best performance of whole system.For example, d can be 1 millimeter, 3 millimeters, 5 millimeters, 8 millimeters or 9 millimeters etc..Certainly,
In actual production, according to the size of product or material to be seen 500, d might be less that 1 millimeter or more than 10 millimeter.
Further, the line between the first visor 11 and the first viewpoint 111 and the second visor 21 and the second viewpoint 211 it
Between the angle of line be β, wherein 160 °≤β≤200 °.In the case where the relative angle of visor and light source is certain, visor
Angle beta increases, and light source position is then offset up, and in order to avoid blocking the range of exposures of top light source, needs on feed outlet port
It moves, this just increases distance h；Mirror angle β reduces, and light source position is then offset downward, in order to avoid spray valve 400 blocks lower section light
The range of exposures in source, valve 400 will be sprayed by, which needing, moves down, this also increases distance h.Visor position relationship is not only restricted to implement illustration
Show, can be different angle, in the case where ensureing that the field range of multigroup visor is unaffected, rejecting position should be made to charging
The distance h of outlet is short as far as possible, and preferred mirror angle β ranges are 160 °~200 °.For example, β can be 160 °, 170 °
180 °, 190 ° etc..Certainly, according to actual conditions, β is also smaller than 160 ° (such as 155 °), or is more than 200 ° (such as 205 °).
Wherein, the first side of the observation position and the second side are opposite about the observation position.Observe the first of position
The first color sorting component 10 is arranged in side, and the second color sorting component 20 is arranged in the second side for observing position, wherein the first side and the second side are closed
It is symmetrical in a certain plane, that is to say, that the angle between the first color sorting component 10 and the second color sorting component 20 can be 0 ° and arrive
180 ° of unspecified angles.Double vision point relative position relation can also be other directions, it is with material to be seen above and below being
It is double when such as material 500 to be seen using vertical conveyer belt mode horizontal transport depending on the direction of 500 movement locus
Viewpoint is context.
Optionally, first light source 12 and second light source 22 include lampshade (not shown)；First light source 12 and second
Light source 22 can be LED light, laser, halogen lamp or fluorescent tube.By the limitation of lampshade, first light source 12 and second light source 22
Illumination zone limited, so that the first illumination zone and the second illumination zone 221 is not directly incident on the second visor 21 and
One visor 11.It is understood that LED light, laser, halogen lamp or fluorescent tube can all shine, but the light that they send out has by force
Have weak, the number of first light source 12 and second light source 22 can be set according to the size of light intensity, make imaging clearly and avoid light
The excessively bright situation of line occurs.
Color selector 1 according to the ... of the embodiment of the present invention, as shown in figure 3, including：Feed system 200, receiving hopper 300 and color sorting
Device 100.Wherein, receiving hopper 300 is opposite with the outlet of feed system 200, and receiving hopper 300 is defeated for accepting feed system 200
The material of submitting.Color sorting device 100 be above-mentioned color sorting device 100, it is described observation position be located at feed system 200 outlet and
Between receiving hopper 300.
Wherein, feed system 200 is responsible for charging, and color sorting device 100 can reject stock, and receiving hopper 300 is used for access object
Material, material namely previously described material to be seen 500.
Color selector 1 according to the ... of the embodiment of the present invention, by the way that above-mentioned color sorting device 100 is set in color selector 1, Ke Yiti
The working efficiency of high color selector 1.
In some embodiments, as shown in figure 3, feed system 200 includes vibrator 201 and feeding-passage 202, feeding-passage
202 entrance connection vibrator 201 and outlet and receiving hopper 300 is opposite.
Vibrator 201 is entered from the entrance of feeding-passage 202 after feeding-passage 202 by shaking uniform blanking, material
It flying out from the outlet of feeding-passage 202, the material after flying out passes through the observation position of color sorting device 100, after rejecting operation,
Material enters the receiving hopper 300 opposite with exporting.
Specifically, as shown in figure 3, receiving hopper 300 has the first splicing chamber 301 and the second splicing chamber 302, the first splicing
The entrance of chamber 301 is opposite with the outlet of feed system 200, and color selector 1 further includes spray valve 400, and the outlet of spray valve 400 is positioned at described
Between viewpoint and the entrance of the first splicing chamber 301, spray valve 400 is used to a part of material after color sorting being sent to the second splicing chamber
302.Valve 400 is sprayed to be located at suitable for the material separating after the first viewpoint 111 and the second viewpoint 121, in conjunction with aforementioned in the first viewpoint
111 and second set the embodiment for rejecting position after viewpoint 121, reject position should between viewpoint and receiving hopper 300,
Material imaging after color sorting device 100 is transferred to system, and system sends out instruction by operation to spray valve 400, and spray valve 400 is transported
Turn rejecting stock, and stock is sent to the second splicing chamber 302.It should be noted that outlet the second splicing chamber of direction of spray valve 400
302 entrance is not necessarily outlet and 302 face of the second splicing chamber for spraying valve 400, can also be at an angle it is opposite.
In addition, " waste material " that is mentioned above, the material for also not necessarily referring to discarded material, but screening, example
Such as, red ball and Archon being separated by color selector 1, red ball enters the first splicing chamber 301, and Archon enters the second splicing chamber 302, this
Shi Baiqiu is " waste material ".
Color selection method according to the ... of the embodiment of the present invention, the first viewpoint 111 is located at the second viewpoint 211 on the direction of travel
Upstream, the color selection method includes：S1 obtains the testing result of the first visor 11 and the second visor 21；S2, respectively to first
The testing result of visor 11 and the second visor 21 is analyzed, compare the first visor 11 first time t1 testing result and the
Two visors 21 judge whether to meet kick-out condition in the testing result of the second time t2, wherein when first time t1 is less than second
Between t2.
Wherein, " upstream " refer on the direction of travel of material the first viewpoint 111 for the second viewpoint 211
, specifically, material first passes through 111 position of the first viewpoint, after by 211 position of the second viewpoint.
It is recognised that since the first viewpoint 111 and the second viewpoint 211 are misaligned, the imaging time of the first viewpoint 111
It is inconsistent with the imaging time of the second viewpoint 211, for example, the imaging time of the first viewpoint 111 be t1, the second viewpoint 211 at
The picture time is t2, and the deviation of delay time is Δ t=t2-t1.
When needing same 500 global feature of material to be seen of comprehensive descision, if systematic error delta t not eliminated,
What one viewpoint 111 and the second viewpoint 211 may be observed is not the same material.
Preferably, this deviation can be eliminated by being handled by system, for example, since the first visor 11 is prior to 12 Δ of the second visor
T observes material, therefore, will can again be transmitted to processing system after the imaging lag Δ t on the first visor 11 so that the first viewpoint
111 and second viewpoint 211 imaging have synchronism；Furthermore it is also possible to the figure that the first visor 11 and the second visor 12 are acquired
As after being all sent to system, t pairs of the first visor 11 acquisition image of system delay Δ is handled；It is also possible that by the first visor
11 and second the acquisition simultaneously of visor 12 image be all sent to system after, by 11 the image collected of the first visor and the second visor
The image collected compares and analyzes after 12 Δ t.In this way, this method can be applied to a variety of different occasions, for example,
Reject with variegated material, the material of different colours is distinguished or will be rejected with the material of certain particular colors etc..
Advantageously, the difference of the second time t2 and first time t1 is equal to the spacing of the first viewpoint 111 and the second viewpoint 211
With the ratio of material falling speed.That is, under speed and material of the material when by the first viewpoint 111 and the second viewpoint
When terminal-velocity degree is consistent, in other words, when the motion model of material is linear uniform motion, above method can be used and calculate Δ t.Material
This motion mode to calculate Δ t for be most convenient.
Certainly, above-described embodiment is only illustrative, and can not be interpreted as limiting the scope of the invention, for example,
The motion model of material is also likely to be to become to accelerate or the certain straight line or curvilinear motion of acceleration, at this point, the second time t2 and the
The difference of one time t1 is equal to the ratio of the spacing and material average speed of the first viewpoint 111 and the second viewpoint 211.
In addition, it is necessary to explanation, only the image for needing to acquire the first visor acquisition image and the second visor into
When row is uniformly processed, just need 11 the image collected of the first visor is collected after time Δ t with the second visor 12
Image is compared analysis.If 11 the image collected of the first visor does not need to be unified with second visor the image collected
It handles, then the image that directly individually the first visor 11 of processing acquisition image, the second visor 12 acquire.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", " water
It is flat ", "top", "bottom" "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of color sorting device, which is characterized in that including：
First color sorting component, the first color sorting component include the first visor and first light source, and first visor has first
Viewpoint, the first light source have the first illumination zone；
Second color sorting component, the second color sorting component include the second visor and second light source, and second visor has second
Viewpoint, the second light source have the second illumination zone；
Wherein, first viewpoint and second viewpoint are spaced apart on the direction of travel of material to be seen, and described first regards
Point and first visor are located at outside second illumination zone, and second viewpoint and second visor are located at described first
Outside illumination zone.
2. color sorting device according to claim 1, which is characterized in that
The chief ray of the first light source and the angle α of the normal plane of the line of first viewpoint and second viewpoint are full
Foot：0+7°<α<- 2 ° of arcos (L*sin (θ/2)/D), wherein the first light source is point light source, and θ is the first illumination model
The dispersion angle enclosed, spacing of the D between first viewpoint and first viewpoint, L be first light source to the first viewpoint it
Between spacing；
The angle α of the chief ray of the second light source and the normal plane of the line of first viewpoint and second viewpoint ' it is full
Foot：0+7°<α’<- 2 ° of arcos (L ' * sin (θ '/2)/D), wherein the second light source is point light source, and θ ' is second photograph
The dispersion angle of bright range, spacing of the D between first viewpoint and second viewpoint, L ' are that second light source is regarded to second
Spacing between point.
3. color sorting device according to claim 2, which is characterized in that angle α and angle α ' in 10 ° to 40 ° of range
It is interior；
Preferably, angle α and angle α ' in the range of 25 ° to 35 °.
4. color sorting device according to any one of claim 1-3, which is characterized in that first viewpoint and described second
The space D of viewpoint is within the scope of 1mm-10mm.
5. color sorting device according to any one of claim 1-3, which is characterized in that between the first visor and the first viewpoint
Line and the second visor and the second viewpoint between the angle of line be β, wherein 160 °≤β≤200 °.
6. color selector according to claim 1, which is characterized in that the first light source and the second light source are including lamp
Cover；The first light source and second light source can be LED light, laser, halogen lamp or fluorescent tube.
7. a kind of color selector, which is characterized in that including：
Feed system,
Receiving hopper, the receiving hopper is opposite with the outlet of the feed system, and the material receiving port is for accepting the feed system
The material transferred out；
Color sorting device, the color sorting device are the color sorting device according to any one of claim 1-6, the observation position
Between the outlet of the feed system and the receiving hopper.
8. a kind of color selection method of color sorting device according to any one of claim 1-6, wherein in the direction of travel
Upper first viewpoint is located at the upstream of second viewpoint, which is characterized in that the color selection method includes：
S1 obtains the testing result of first visor and second visor；
S2 respectively analyzes the testing result of first visor and second visor, judges whether to meet and rejects item
Part；
S3, the material to meeting kick-out condition are rejected.
9. the color selection method of color sorting device according to claim 8, which is characterized in that step S2 includes：
Compare first visor first time t1 testing result and second visor the second time t2 detection knot
Fruit simultaneously determines whether to meet kick-out condition, wherein the first time t1 is less than the second time t2.
10. the color selection method of color sorting device according to claim 9, which is characterized in that second time t2 with it is described
The difference of first time t1 is equal to the ratio of the spacing and material falling speed of first viewpoint and second viewpoint.
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| CN109807081A (en) * | 2019-02-25 | 2019-05-28 | 四川大学 | A kind of transparent cartridge detection system |
| CN114713512A (en) * | 2022-03-18 | 2022-07-08 | 安徽信福乡田生态农业有限公司 | Grain color selector and method thereof |
| CN114733777A (en) * | 2022-04-01 | 2022-07-12 | 广州珐玛珈智能设备股份有限公司 | Global visual appearance recognition sieve inspection equipment for tablet counting machine |
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| CN108339763B (en) | 2019-10-08 |
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