CN107328681A - Cereal and beans mass of 1000 kernel and moisture content detection system based on machine vision - Google Patents
Cereal and beans mass of 1000 kernel and moisture content detection system based on machine vision Download PDFInfo
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- CN107328681A CN107328681A CN201710660647.0A CN201710660647A CN107328681A CN 107328681 A CN107328681 A CN 107328681A CN 201710660647 A CN201710660647 A CN 201710660647A CN 107328681 A CN107328681 A CN 107328681A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8466—Investigation of vegetal material, e.g. leaves, plants, fruits
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a kind of cereal based on machine vision and beans mass of 1000 kernel and moisture content detection system.CCD camera mechanism of the present invention into is located at the surface of cabinet, CCD camera mechanism is connected by support bar with cabinet, scalable bulk material plate mechanism, strip source mechanism and precision electronic balance are placed with cabinet, scalable bulk material plate mechanism is located at directly over precision electronic balance, and Liang Ge strip sources mechanism is located at the side of scalable bulk material plate mechanism.Counting processing, mass of 1000 kernel and the water content that upper computer module is used for CCD camera mechanism acquired image calculate and sent commands to bar code printer module.Bar code printer module is used to print the information such as cereal grain number, weight, mass of 1000 kernel, water content.Precisely reliable, simple for structure and highly versatile of the invention, and seed adhesion, stacking can be reduced, reduce later image intractability and the functions such as mass of 1000 kernel, moisture detection can be realized.
Description
Technical field
The present invention relates to agriculture cereal and the technical field of beans species test, specifically a kind of paddy based on machine vision
Thing and beans mass of 1000 kernel and moisture content detection system.
Background technology
According to《GB/T 5519-2008 cereal and the measure requirement of beans mass of 1000 kernel》, mass of 1000 kernel=(1000x m0)/N ,
m0It is sample mass, N is the grain number of sample.
Mass of 1000 kernel is to weigh cereal and the key index of beans turgor and the important evidence of prediction field yield, this
Index is for for China, this needs to be brought up the country of the population of the world 22% with the soil in the world 7%, its importance do not say and
Analogy.
But the species test mode or artificial counting and use beam balance of the most of use in Chinese countryside now are claimed
This original and not efficient mode of weight；Also have more by the way of photoelectric tube statistics number seeds, this mode pair
Different part is needed to use in different radius size seed, and when overlapping adhesion phenomenon or crossover phenomenon occurs in seed
When count easily there is error, not only cumbersome, cost is higher, and precision is also low.
With continuing to develop for machine vision and image processing techniques, increasing people are begun one's study and regarded using machine
Feel the mode for carrying out species test, the equipment that this mode need not be changed on instruments according to the difference of seed, and compiled program
Afterwards, it is only necessary to which image shot by camera greatly reduces energy expenditure with regard to that can be counted.But for cereal and this size of beans
For the uneven object of smaller and profile, most difficult task is no more than the problem of how solving seed adhesion, stacking.
It is agriculturally aqueous for cereal in view of peddling outmoded, musty grain social concern present on society now
The demand for measuring detection is also increasingly stronger, according to Xibei Univ. of Agricultural ＆ Forest Science ＆ Technology scholar grinding to the grain moisture content based on mass of 1000 kernel
Study carefully, in its sample data surveyed, the water content of cereal and mass of 1000 kernel all have obvious linear relationship, by linear regression
The coefficient correlation obtained after reason has reached higher level, such as in a certain corn sample, and coefficient correlation reaches 0.975748, tool
There is good linear character.Illustrate to be converted by functional relation therebetween, while cereal mass of 1000 kernel is obtained
The water content of such cereal can be calculated.
The content of the invention
To solve the problem of above-mentioned prior art is present, the present invention easily make cereal adhesion for traditional bulk material plate, stack and
The problems such as counting difficult point for causing and the demand agriculturally detected for grain moisture content, there is provided a kind of precisely reliable, knot
Structure is succinct, and is effectively reduced seed adhesion, stacking, reduce the cereal based on machine vision of later image intractability with
Beans mass of 1000 kernel and moisture content detection system.
The present invention at least includes CCD camera mechanism, the scalable bulk material plate mechanism of organ type, strip source mechanism, accurate electricity
Sub- balance, cabinet, upper computer module and bar code printer module.
The scalable bulk material plate mechanism of the organ type, the strip source mechanism, the accurate electricity are placed with cabinet
Sub- scale mechanism, wherein the precision electronic balance is located at immediately below the scalable bulk material plate mechanism of the organ type, for paddy
Thing is weighed with beans；
A display screen is placed in the cabinet housing front, for showing the registration in electronic balance；
A window is opened on the cabinet housing right side, the telescopic adjustment for the scalable bulk material plate mechanism of the organ type；
Open a window behind the cabinet housing, for the scalable bulk material plate mechanism of the organ type, the strip source mechanism,
The extraction of the power line and communication wire of the precision electronic balance；
A window is opened above the cabinet housing, the scalable bulk material plate of organ type is gathered for the CCD camera mechanism
The image of cereal；
Counting processing, mass of 1000 kernel and the water content that the upper computer module is used for the image that the CCD camera mechanism is gathered are calculated
And send bar code of the order printing with information to bar code printer module；
The bar code printer module, which is used to print, includes seed grain number, weight, mass of 1000 kernel, the information of water content；
The scalable bulk material plate mechanism of organ type includes scalable bulk material plate, slide rail, sliding block, leading screw；Scalable bulk material plate with
The sliding block is connected, and the sliding block center is provided with a through hole, and the leading screw is engaged with the through hole, and rotary screw rod to slide
Block can be moved along slide rail, so that the scalable bulk material plate does extensional motion.
Furtherly, the CCD camera mechanism is located at the surface of the cabinet, and the CCD camera mechanism passes through support
Bar is connected with the cabinet；Described CCD camera mechanism is by industrial CCD camera, camera folder, contiguous block, tightening knob, micro- up and down
Adjust knob, front and rear vernier knob composition；The industrial CCD camera is fixed on camera folder by the tightening knob, the company
Connect block and the camera folder to be connected, the contiguous block is provided with through hole, by fastening screw by the through hole on the contiguous block
It is engaged with support bar；The contiguous block is provided with screwed hole, and the contiguous block passes through screwed hole and the vernier knob up and down
It is engaged with front and rear vernier knob, can adjust the height and front and back position of the CCD camera.
Furtherly, the scalable bulk material plate is using PVC stiff board materials as spine support, and outer layer is translucent material, institute
Keel are stated to be connected by heat seal with the cladding material.
Furtherly, in the scalable bulk material plate mechanism of the organ type rotation of screw mandrel by crank handle or electric handle band
It is dynamic.
Furtherly, the strip source mechanism includes two strip sources, in described two sides of strip source respectively
There are four screwed holes, above the housing that the strip source is fixed on to the cabinet by fastening screw, the strip source
Be pointed into the scalable bulk material plate mechanism of the organ type.
Furtherly, it is combined with two pieces of baffle plates to prevent seed from sliding at the cabinet housing top window.
Furtherly, the precision electronic balance is configured with standard RS232 data output interfaces, with the upper computer module
It is connected with the bar code printer module.
Furtherly, the upper computer module is counted to the cereal in the CCD camera acquired image or beans
Number, number is calculated as N, and the upper computer module is obtained the registration of the precision electronic balance by RS232 serial communications, is calculated as M,
Its unit for gram, the mass of 1000 kernel calculation formula of the upper computer module is：Mass of 1000 kernel=(1000 × M)/N.Cereal and beans thousand
Weight and water content are converted by functional relation, and such cereal and beans can be calculated while cereal is obtained with beans mass of 1000 kernel
The water content of class.
Profile of the present invention is succinct, highly versatile, and easily makes cereal adhesion, the counting for stacking and causing for traditional bulk material plate
Difficult point and agriculturally for grain moisture content detect demand the problems such as, it is proposed that a kind of scalable bulk material plate mechanism and base
In the grain moisture content computational methods of mass of 1000 kernel, the present invention is effectively reduced seed adhesion, stacks and reduce at later image
Difficulty is managed, is a kind of efficient cereal based on machine vision and beans mass of 1000 kernel and moisture content detection system.
Brief description of the drawings
Fig. 1 is the direction three-dimensional structure diagram of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the left view of the present invention；
Fig. 4 is the top view of the present invention；
Fig. 5 is the structural representation in cabinet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, the present invention includes：CCD camera mechanism 100, scalable bulk material plate mechanism 200, strip source mechanism
300th, precision electronic balance 400, support bar 500, cabinet 600, upper computer module 700 and bar code printer module 800.
The CCD camera mechanism 100 is located at the surface of the cabinet 600, and the CCD camera mechanism passes through the support
Bar 500 is connected with the cabinet 600, and the scalable bulk material plate mechanism 200, the strip light are placed with the cabinet 600
Source mechanism 300 and the precision electronic balance 400, wherein the scalable bulk material plate mechanism 200 is located at the precise electronic day
Directly over flat 400, two strip source mechanisms 300 are located at the side of the scalable bulk material plate mechanism 200.
As shown in Figure 2,3, 4, described CCD camera mechanism 100 is by industrial CCD camera 101, camera folder 102, contiguous block
103rd, tightening knob 104, vernier knob 105, front and rear vernier knob 106 are constituted up and down.The industrial CCD camera 101 passes through institute
State tightening knob 104 to be fixed on camera folder 102, the contiguous block 103 is connected with camera folder 102, the contiguous block
103 are provided with through hole, and the through hole on the contiguous block 103 is matched with the support bar 500 by the fastening screw 104
Close；The contiguous block 103 be provided with screwed hole, the contiguous block 103 by screwed hole with it is described up and down vernier knob 105 and before
Vernier knob 106 is engaged afterwards, can adjust the height and front and back position of the CCD camera 101.
As shown in Fig. 2,3,4,5, the scalable bulk material plate mechanism 200 is by the scalable bulk material plate 201 of organ type, bottom plate
202nd, slide rail 203, sliding block 204, leading screw 205, crank handle 206 are constituted.The scalable bulk material plate 201 of organ type is hard with PVC
Plate material is spine support, and outer layer is good light permeability material, and the keel are connected by heat seal with the cladding material, can led to
Overstretching changes the scalable bulk material plate groove width interval of organ type.The scalable bulk material plate 201 of organ type and the sliding block
204 are connected, and the center of the sliding block 204 is provided with a through hole, and the leading screw 205 is engaged with the through hole, the leading screw 205 and
The sliding block 204, the slide rail 203 are engaged, and the crank handle 206 is connected with the leading screw 205, the sliding block 204,
Rotating the crank handle 206 can rotate the leading screw 205, so that before and after the scalable bulk material plate 201 of the organ type is done
Extensional motion.Adjusting the scalable groove width interval of bulk material plate 201 of organ type according to seed sizes to be measured makes seed regularly arranged.
The strip source mechanism 300 is made up of 2 strip sources 301 and 8 fastening screws 302.The strip source
There are 4 M3 screwed holes 301 two sides respectively, and the strip source 301 is fixed on into the cabinet by M3 fastening screws 302
Above 600 housing, the direction of illumination of the strip source 301 is the scalable bulk material plate mechanism 200.
The precision electronic balance 400 is placed on the lower section of the scalable bulk material plate mechanism 200, for being carried out to seed
Weigh.The precision electronic balance 400 is configured with standard RS232 data output interfaces, can be with the upper computer module 700 and institute
Bar code printer module 800 is stated to be connected.
The scalable bulk material plate mechanism 200, the strip source mechanism 300, the essence are placed with the cabinet 600
Close electronic balance 400 a, wherein display screen 601 is placed in the housing of the cabinet 600 front, for showing showing in electronic balance
Number；A window 602 is opened on the housing right side of cabinet 600, the telescopic adjustment for the scalable bulk material plate mechanism；The cabinet
A window is opened behind housing, for the scalable bulk material plate mechanism 200, the strip source mechanism 300, the precise electronic
The extraction of the power line and communication wire of balance 400；A window 603 is opened above the housing of cabinet 600, for the CCD
Camera 101 gathers the image of cereal on the scalable bulk material plate 201 of the organ type.It is combined with the cabinet housing top window
Two pieces of baffle plates 604 are to prevent seed from sliding.
The upper computer module 700 is used for the counting processing of the acquired image of CCD camera mechanism 100, mass of 1000 kernel
Calculated with water content and send bar code of the order printing with information to bar code printer module 800.The upper computer module
700 pairs of acquired images of CCD camera 101 are counted, and its number is calculated as N；The upper computer module 700 passes through
RS232 serial communications obtain the registration of the precision electronic balance 400, are calculated as M, and its unit is gram (g), the upper computer module
700 mass of 1000 kernel calculation formula is：Mass of 1000 kernel (g)=(1000 × M)/N；The upper computer module 700 is same according to what is demarcated in advance
Class cereal mass of 1000 kernel and the corresponding relation formula of water content, can be calculated by the mass of 1000 kernel value and obtain grain moisture content.
The bar code printer module 800 is used to print the information such as seed grain number, weight, mass of 1000 kernel value, water content.
When the present apparatus is started working, precision electronic balance 400 is zeroed first, seed to be measured is become scattered about into scalable bulk cargo
On trigger structure 201, the self-defined stretching regulation scalable groove of bulk material plate 201 of organ type of crank handle 206 is rotated according to seed sizes
Width makes seed regularly arranged and is unlikely to stack, and opens after light source 301 gathers image by CCD camera 101 and sends to host computer
Module 700 carries out image procossing and counting；At the same time, weighed by precision electronic balance 400, will after pending data is stable
Weight data is sent to upper computer module 700 by RS232 connections, and the mass of 1000 kernel for carrying out cereal to be measured and beans calculates.And
The water content of different cultivars cereal and beans can be demarcated by Moisture Meter in advance, itself and mass of 1000 kernel are obtained by softwares such as Matlab
Between functional relation, you can by mass of 1000 kernel value calculate and obtain the water content of cereal to be measured and beans.
Claims (9)
1. cereal and beans mass of 1000 kernel and moisture content detection system based on machine vision, at least include：CCD camera mechanism, wind
The scalable bulk material plate mechanism of qin formula, strip source mechanism, precision electronic balance, cabinet, upper computer module and bar code printer mould
Block, it is characterised in that：
The scalable bulk material plate mechanism of the organ type, the strip source mechanism, the precise electronic day are placed with cabinet
Flattening mechanism, wherein the precision electronic balance is located at immediately below the scalable bulk material plate mechanism of the organ type, for cereal with
Beans is weighed；
A display screen is placed in the cabinet housing front, for showing the registration in electronic balance；
A window is opened on the cabinet housing right side, the telescopic adjustment for the scalable bulk material plate mechanism of the organ type；
Open a window behind the cabinet housing, for the scalable bulk material plate mechanism of the organ type, the strip source mechanism,
The extraction of the power line and communication wire of the precision electronic balance；
A window is opened above the cabinet housing, the scalable bulk material plate of organ type is gathered for the CCD camera mechanism
The image of cereal；
Counting processing, mass of 1000 kernel and the water content that the upper computer module is used for the image that the CCD camera mechanism is gathered are calculated
And send bar code of the order printing with information to bar code printer module；
The bar code printer module, which is used to print, includes seed grain number, weight, mass of 1000 kernel, the information of water content；
The scalable bulk material plate mechanism of organ type includes scalable bulk material plate, slide rail, sliding block, leading screw；Scalable bulk material plate with
The sliding block is connected, and the sliding block center is provided with a through hole, and the leading screw is engaged with the through hole, and rotary screw rod to slide
Block can be moved along slide rail, so that the scalable bulk material plate does extensional motion.
2. the cereal according to claim 1 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：The CCD camera mechanism is located at the surface of the cabinet, and the CCD camera mechanism passes through support bar and the machine
Case is connected；Described CCD camera mechanism is by industrial CCD camera, camera folder, contiguous block, up and down tightening knob, vernier knob, preceding
Vernier knob is constituted afterwards；The industrial CCD camera by the tightening knob be fixed on camera folder on, the contiguous block with it is described
Camera folder is connected, and the contiguous block is provided with through hole, by fastening screw by the through hole on the contiguous block and support bar phase
Coordinate；The contiguous block is provided with screwed hole, and the contiguous block passes through screwed hole and vernier knob and the front and rear fine setting up and down
Knob is engaged, and can adjust the height and front and back position of the CCD camera.
3. the cereal according to claim 1 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：The scalable bulk material plate is using PVC stiff board materials as spine support, and outer layer is translucent material, the keel and institute
Cladding material is stated to connect by heat seal.
4. the cereal according to claim 1 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：The rotation of screw mandrel is driven by crank handle or electric handle in the scalable bulk material plate mechanism of organ type.
5. the cereal according to claim 1 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：The strip source mechanism includes two strip sources, has four screw threads respectively in described two sides of strip source
Above hole, the housing that the strip source is fixed on to the cabinet by fastening screw, being pointed into for the strip source is described
The scalable bulk material plate mechanism of organ type.
6. the cereal according to claim 1 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：Two pieces of baffle plates are combined with the cabinet housing top window to prevent seed from sliding.
7. the cereal according to claim 1 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：The precision electronic balance is configured with standard RS232 data output interfaces, with the upper computer module and the bar code
Printer module is connected.
8. the cereal according to claim 1 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：The upper computer module is counted to the cereal in the CCD camera acquired image or beans, and number is calculated as
N, the upper computer module obtains the registration of the precision electronic balance by RS232 serial communications, is calculated as M, its unit for gram,
The mass of 1000 kernel calculation formula of the upper computer module is：Mass of 1000 kernel=(1000 × M)/N.
9. the cereal according to claim 8 based on machine vision and beans mass of 1000 kernel and moisture content detection system, it is special
Levy and be：Cereal is converted with beans mass of 1000 kernel and water content by functional relation, is obtaining cereal and beans mass of 1000 kernel
The water content of such cereal and beans can be calculated simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710660647.0A CN107328681B (en) | 2017-08-04 | 2017-08-04 | Thousand-grain weight and water content detection system for grains and beans based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660647.0A CN107328681B (en) | 2017-08-04 | 2017-08-04 | Thousand-grain weight and water content detection system for grains and beans based on machine vision |
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| CN107328681A true CN107328681A (en) | 2017-11-07 |
| CN107328681B CN107328681B (en) | 2023-04-18 |
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| CN108592799A (en) * | 2018-05-02 | 2018-09-28 | 东北农业大学 | A kind of soybean kernel and beanpod image collecting device |
| CN109030755A (en) * | 2018-06-27 | 2018-12-18 | 吉林大学 | The detection device and method of grain moisture content, mass of 1000 kernel and bulk density based on image processing techniques |
| CN110596314A (en) * | 2019-09-09 | 2019-12-20 | 深圳冠亚水分仪科技有限公司 | Operation method and control system of moisture meter control software |
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| Publication number | Publication date |
|---|---|
| CN107328681B (en) | 2023-04-18 |
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