CN207600960U - Precision of rice detection device - Google Patents
Precision of rice detection device Download PDFInfo
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- CN207600960U CN207600960U CN201721407318.7U CN201721407318U CN207600960U CN 207600960 U CN207600960 U CN 207600960U CN 201721407318 U CN201721407318 U CN 201721407318U CN 207600960 U CN207600960 U CN 207600960U
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Abstract
This application provides a kind of precision of rice detection devices, including sliding way, image collecting device and data processing system, the slideway is located at the top of image collecting device, described image harvester is at least three, and in each image collecting device is generally aligned in the same plane, the data output end of described image harvester is connected with data processing system.Using the precision of rice detecting system of the application, rice epidermis information is obtained simultaneously from multiple faces of rice, by image simulation and calculating, can accurately obtain rice back of the body ditch and skin situation and surface is stayed to stay surface product and its account for the area ratio of entire rice.
Description
Technical field
The application belongs to the detection device of rice production system of processing, and in particular to a kind of precision of rice detection device.
Background technology
Precision of rice is to judge a kind of important method of rice processing grade, with the difference of rice processing accuracy, rice
In the nutritional ingredient that contains and its corresponding mouthfeel all can be different.Existing precision of rice judgment method mainly has chemical method and instrument
Device method.Wherein chemical method refers to using IDS reagent dyeings, makes grain of rice endosperm and endosperm remained on surface chaff skin that face be presented by coloring agent
Color difference judges that this method operating process is cumbersome.Instrumental method refers to causes rice nutrition content different according to different machining accuracies,
Visible or infrared spectrum analysis is carried out using rice surface extract, this method by different rice sample bodies nutrient content shadow
It rings, result is difficult to accurate quantitative analysis.
Since the difference of rice processing accuracy can lead to the difference of rice color, also have and directly surveyed using rice color value
Precision of rice, such as existing degree of whiteness instrument are tried, is to judge its precision, but measure knot in this way using rice integral color value
Fruit accuracy is low.
Utility model content
The purpose of the application is to provide a kind of high efficiency, high-precision precision of rice detection device.
To achieve the above object, this application provides following technical schemes：
A kind of precision of rice detecting system, including sliding way, image collecting device and data processing system, the slideway
Positioned at the top of image collecting device, described image harvester is at least three, and each image collector is setting in same flat
In face, the data output end of described image harvester is connected with data processing system.The sliding way is used to limit rice
Grain is slid downwards by preset path, and described image harvester is used to acquire the complete circumferential surface appearance images of rice pellets, image
The viewpoint of harvester be located at rice pellets from slideway dish out after leave on path, the figure of the acquisition of described image harvester
As information is sent to data processing module, what data processing module was used to calculating rice pellets surface stays skin level data, and will
The data are compared with normal data, judge the machining accuracy of rice.
Preferably, described image harvester includes visor, light source and background board, and the visor is opposite with background board to be set
It puts, for viewpoint between visor and background board, the light source is set to the side that viewpoint is biased to visor, makes viewpoint towards visor
Side can be irradiated by light source.
Preferably, affiliated light source is set to above or below visor.It is furthermore preferred that between the light source 12 and viewpoint
The angle that line between line and visor and viewpoint is formed is 30-45 °.
Preferably, the light source is mounted in lamp box, and lamp box front end is equipped with light shielding part.The light shielding part being capable of limiting light source
Range of exposures, light light when illuminating viewpoint is made not enter remaining visor.
Preferably, the sliding way is vertical with the plane where described image harvester, can limit rice pellets edge
Vertical direction slides vertically.
Preferably, the air line distance of view distance sliding slot bottom end vertical direction is 3-10cm, to ensure that sliding slot does not interfere with
Illumination.
Preferably, the horizontal distance of each image collecting device and viewpoint is 150mm-200mm, and skin is stayed to obtain rice surface
Clear image.
Preferably, described image harvester further includes detector, and the detector is high resolution CCD detector, institute
The resolution ratio for stating high resolution CCD detector is less than 0.05mm, so also can effectively obtain rice surface and stay skin clear image.
Preferably, circumferentially uniform intervals are provided with more calibration bars, the visual field two sides of each visor at the viewpoint edge
Boundary is overlapped respectively at two adjacent calibration bars, can be to the field range of visor each in image collecting device by the setting of calibration bars
It is adjusted, in case each visor acquires image depending on interfering with each other.
Preferably, the precision of rice detecting system, further includes supplied materials device and drawing mechanism, and the supplied materials device includes
First conveyer belt, the drawing mechanism include the second conveyer belt, the feed end connection upstream rice processing of the first conveyer belt
Producing line, the discharge end of first conveyer belt connect the feed end of the sliding way；Material is through glide-slope guidance to the second conveyer belt, and
The discharge end of two conveyer belts processes producing line with downstream rice or storage bin is connected.
The application's has technical effect that：Using multigroup detection device in the application, obtained simultaneously from multiple faces of rice
Rice epidermis information, by image simulation and calculating, can accurately obtain rice back of the body ditch stay skin situation and surface stay surface product and
Account for the area ratio of entire rice.
Description of the drawings
Fig. 1 is the stereogram of precision of rice detection device that embodiments herein 1 is provided；
Fig. 2 is the stereogram of the image collecting device of precision of rice detection device that embodiments herein 1 is provided
Fig. 3 is the vertical view of the image collecting device of precision of rice detection device that embodiments herein 1 is provided
Fig. 4 is the side view of the image collecting device of precision of rice detection device that embodiments herein 1 is provided；
Fig. 5 is the image collector with calibration bars for the precision of rice detection device that embodiments herein 1 is provided
The vertical view put；
Fig. 6 is the vertical view of the image collecting device of precision of rice detection device that embodiments herein 2 is provided；
Fig. 7 is the image collector with calibration bars for the precision of rice detection device that embodiments herein 2 is provided
The vertical view put.
Specific embodiment
The present invention is described in detail below in conjunction with attached drawing.
It should be strongly noted that " viewpoint " described herein should be understood to a sky with certain volume
Between, and a not point, this is spatially located in rice descent path, while positioned at the visual field intersection of each visor.
Embodiment 1
Illustrate the precision of rice detection device design principle of the application first.Rice stays skin to be divided into three kinds of situations more, when
Back of the body ditch has skin to have yellow to remain cortex into line and epidermis, second is that back of the body ditch has skin into line but epidermis noresidue cortex, third, back of the body ditch has
Skin is not into line.Namely the optical system needs to complete the identification of back of the body ditch lines and rice surface stays the identification of skin, usually stays Pi Yan
The more normal rice color of color is deep, and it can be yellow such as to stay micromicro, and in radiation of visible light, the color is small to the reflectivity of light, can be with
Normal rice region distinguishes.And ditch lines are carried on the back mostly into brown, in radiation of visible light, reflectivity also has not with normal rice
Together.Using multiple series of images harvester in the application, rice surface is obtained simultaneously from multiple angles of rice and stays skin information, is passed through
Image simulation and calculating, can accurately obtain rice the back of the body ditch stay surface product and surface stay surface accumulate and carry on the back ditch stay surface product with
Surface is stayed to accumulate the area ratio for accounting for entire rice in surface.
The concrete structure of the precision of rice detection device of the application, with reference to shown in Fig. 1, including sliding way 20, Image Acquisition
Device 10 and data processing system, sliding way 20 are located at the top of image collecting device 10, image collecting device 10 and data
Processing system connects, and the pictorial information of acquisition is transmitted to data processing system.The sliding way 20 is used to limit rice
Grain is slid downwards by preset path, and described image harvester 10 is used to acquire rice pellets appearance images, image collecting device
10 viewpoint 1 be located at rice pellets from slideway skid off after motion path on.
Specifically, as shown in Figure 2 and Figure 3, image collecting device 10 is set as 3, it is provided at circumferentially spaced along viewpoint 1, it is each to scheme
In being generally aligned in the same plane as harvester, and the plane and rice pellets leave path orthogonal；Described image harvester 10
The image information of acquisition is sent to data processing system, what data processing system was used to calculating rice pellets surface stays skin degree
Data, and the data are compared with normal data, judge the machining accuracy of rice.
As shown in Fig. 2, image collecting device 10 includes visor 11, light source 12 and background board 13, the visor 11 and background
13 face of plate is set, and for the viewpoint 1 between visor 11 and background board 13, the light source 12 is set to the side of visor 11,
Enable irradiation of the viewpoint 1 towards the side of visor 11 by light source 12.In one embodiment, the light source can 12 be located at regard
Above or below mirror 11.Light source 12 is more preferably the lower section for being placed in visor 11.
In one embodiment, the detector is high resolution CCD detector, because needing to judge to carry on the back during accuracy detection
Portion's lines are continuous or interrupted, and back lines are recess, in addition when calculating stays surface to accumulate, are needed collected
Picture can have clearer and more definite clearly lines or profile, using high-resolution ccd detector surface can be stayed skin and
The lines of skin are stayed at back or what profile was shown becomes apparent from, and specific resolution ratio should be less than 0.05mm.
In one embodiment, background board 13 is bright background, can be specifically blue, background board 13 is by background light 131 and overflows
Transmittance plate 132 forms, and diffusing transmission plate 132 is loaded on 131 front end of background light, can the light that background light 131 is sent out be become face light
Source.
In one embodiment, it is illuminated to ensure that sliding slot does not interfere with viewpoint 1, viewpoint 1 is apart from sliding slot bottom end vertical direction
Air line distance is controlled in 3-10cm.
In one embodiment, the light source 12 is located at the lower section of visor 11, and the direction of illumination of light source 12 is court obliquely
To 1 position of viewpoint.Described image collecting unit supplies to be equipped with three groups, 11 central point of each visor in three groups of image acquisition units
In being generally aligned in the same plane with viewpoint 1, each visor 11 and background board 13 of three groups of image acquisition units are circumferential alternately equal along viewpoint 1
Even arranged for interval.
In one embodiment, the light source 12 is mounted in lamp box 121, and 121 front end of lamp box is equipped with light shielding part, the shading
The range of exposures of limiting light source 12 is capable of in portion, and light light when illuminating viewpoint 1 is made not enter the visual field model of remaining visor 11
It encloses.
In one embodiment, as shown in figure 4, to ensure that can obtain rice surface stays skin clear image, each image collector
Put 10 be not easy with 1 horizontal distance d2 of viewpoint it is excessive, between 150mm-200mm.To adapt to different cultivars rice sample, the light
Source 12 is located at the lower section of visor 11, and the line between line and visor 11 and viewpoint 1 between light source 12 and viewpoint 1 is formed
Angle [alpha] for 30-45 °, and the angle can be adjusted according to different demands.
As shown in figure 5, effectively to obtain the area at rice epidermis area and Liu Pi, set in the present invention in 1 position of viewpoint
Calibration bars 101 are put, for correcting the angular field of view of visor 11, make the both sides boundary of visual field of each visor 11 respectively at adjacent two
Calibration bars 101 overlap.Specific bearing calibration is：In pairs, and calibration bars 101 are centered on viewpoint 1 for three calibration bars 101,
(three 101 liang of calibration bars, 120 ° of twenty percent distributions) is uniformly distributed around viewpoint 1, and any two calibration bars 101 are about visor
11 and viewpoint 1 line it is symmetrical, adjust the field range of visor 1, make visual field just between two calibration bars 101,
In this way, each account for the 1/3 of entire viewpoint range.It is fitted by the image obtained to three visors 11, can obtain rice and stay
The surface area of surface product and rice entirety, so as to obtain the ratio that surface product is stayed to account for rice surface product.
In one embodiment, as shown in Figure 1, sliding way 20 can be vertically arranged, rice pellets can so be limited along vertically
Direction slides, to reduce the trail change that rice falls behind under slideway.
In one embodiment, as shown in Figure 1, the precision of rice detecting system, further includes supplied materials device and drawing mechanism,
The supplied materials device includes first conveyer belt 30, and the drawing mechanism includes the second conveyer belt 50, the first conveyer belt 30
Feed end connection upstream rice processing producing line, the discharge end of first conveyer belt 30 connect the feed end of the sliding way 20；Rice
The material of precision detection system discharge end is guided through glide path 40 to the second conveyer belt 50, and the discharge end of the second conveyer belt 50 is under
Trip rice processing producing line or storage bin are connected.The components such as the visor 11, light source 12, background board 13 are installed in an internal tool
Have in the babinet of through-hole, the side wall outside babinet is equipped with display 102, and data processing module can be by the image information of acquisition
With stay skin data real-time display on the display 102.
The specific implementation of rice processing accuracy test is that light source 12 is irradiated on material, and photoelectric detection unit receives
To material reflected light and be converted to electric signal, the signals of three test modules is by algorithm simulating into the shape and face of material
Color by being identified, being distinguished to different colours, determines surface of material information.Software is accumulated by the way that surface product is stayed to account for rice surface
Ratio, the ratio that each rice in skin degree and a batch materials is stayed to stay skin degree of surface of material is calculated automatically, to sighting target
It is provided in standard, determines the machining accuracy of rice.For detecting 1000 rice, it is assumed that wherein 1/5 rice epidermis stays skin
Degree is above 20%, and rice back of the body ditch has skin into line, then the rice processing accuracy is third.
Embodiment 2
As shown in Figure 6, Figure 7, the image collecting device of the present embodiment is equipped with five groups altogether, each in five groups of image collecting devices
In 11 central point of visor and viewpoint 1 are generally aligned in the same plane, each visor 11 and background board 13 of five groups of image acquisition units are along viewpoint
1 circumferential alternately uniform intervals arrangement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of precision of rice detection device, it is characterised in that：Including sliding way, image collecting device and data processing system
System, the slideway are located at the top of image collecting device, and described image harvester is at least three, and each image collecting device
In being generally aligned in the same plane, the data output end of described image harvester is connected with data processing system.
2. precision of rice detection device according to claim 1, it is characterised in that：Described image harvester includes regarding
Mirror, light source and background board, the visor are oppositely arranged with background board, and between visor and background board, the light source is set viewpoint
It is placed in the side that viewpoint is biased to visor.
3. precision of rice detection device according to claim 2, which is characterized in that the light source is set to the top of visor
Or lower section.
4. precision of rice detection device according to claim 2, it is characterised in that：Line between light source and viewpoint (1)
And the angle that the line between visor and viewpoint is formed is 30-45 °.
5. precision of rice detection device according to claim 2, it is characterised in that：The light source is mounted in lamp box, lamp
Case front end is equipped with light shielding part.
6. precision of rice detection device according to claim 1, it is characterised in that：The sliding way is acquired with described image
Plane where device is vertical.
7. precision of rice detection device according to claim 1, which is characterized in that view distance sliding slot bottom end vertical direction
Air line distance be 3-10cm.
8. precision of rice detection device according to claim 1, which is characterized in that each image collecting device and the water of viewpoint
Flat distance is 150mm-200mm.
9. precision of rice detection device according to claim 1, described image harvester further includes detector, the spy
Survey device is high resolution CCD detector, and the resolution ratio of the high resolution CCD detector is less than 0.05mm.
10. precision of rice detection device according to claim 2, it is characterised in that：The viewpoint edge is circumferentially uniform
More calibration bars are arranged at intervals with, the visual field both sides boundary of each visor is overlapped respectively at two adjacent calibration bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407318.7U CN207600960U (en) | 2017-10-27 | 2017-10-27 | Precision of rice detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407318.7U CN207600960U (en) | 2017-10-27 | 2017-10-27 | Precision of rice detection device |
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| CN207600960U true CN207600960U (en) | 2018-07-10 |
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| CN201721407318.7U Active CN207600960U (en) | 2017-10-27 | 2017-10-27 | Precision of rice detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982906A (en) * | 2020-08-28 | 2020-11-24 | 天津黄庄稻香米业有限公司 | Rice quality detection method |
| CN116754548A (en) * | 2022-07-12 | 2023-09-15 | 黑龙江省农业科学院食品加工研究所 | Determination method for peel retention degree of processed rice |
-
2017
- 2017-10-27 CN CN201721407318.7U patent/CN207600960U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982906A (en) * | 2020-08-28 | 2020-11-24 | 天津黄庄稻香米业有限公司 | Rice quality detection method |
| CN116754548A (en) * | 2022-07-12 | 2023-09-15 | 黑龙江省农业科学院食品加工研究所 | Determination method for peel retention degree of processed rice |
| CN116754548B (en) * | 2022-07-12 | 2024-05-24 | 黑龙江省农业科学院食品加工研究所 | Determination method for peel retention degree of processed rice |
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