CN110270517A - A kind of fruit sorting system and its method based on fluorescence detection - Google Patents
A kind of fruit sorting system and its method based on fluorescence detection Download PDFInfo
- Publication number
- CN110270517A CN110270517A CN201910448886.9A CN201910448886A CN110270517A CN 110270517 A CN110270517 A CN 110270517A CN 201910448886 A CN201910448886 A CN 201910448886A CN 110270517 A CN110270517 A CN 110270517A
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- Prior art keywords
- fruit
- fluorescence detection
- sorting
- conveyer belt
- fluorescence
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Classifications
-
- 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
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- 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
-
- 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
-
- 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
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/009—Sorting of fruit
Abstract
A kind of fruit sorting system based on fluorescence detection, including pigeonholes, fluorescence detection device, implementation mechanism, conveyer belt, stepper motor, detection plate, sorting frame, control system.The system is sequentially transmitted a fruit into detection plate by conveyer belt, fruit in detection plate is sent to fluorescence detection device, conveyer belt stops, stepper motor below the detection plate of front slowly rotates a circle, it has been detected after a week by fluorescence detection device, conveyer belt continues to start, and carrying out mechanism can according to testing result be pushed to fruit in corresponding sorting frame.The present invention can effectively solve the problem of fluorescence detection device point light source can not comprehensive detection defect and solve visual detection method and can not detect fruit internal quality, the detection and sorting to fruit provide a kind of good tool.
Description
Technical field
The present invention relates to quality of agricultural product detection and sorting systems, and in particular to a kind of fruit sorting based on fluorescence detection
System and method.
Background technique
With the development of fining agricultural, a large amount of agricultural automation equipment emerges in large numbers, the sorting system of fruit quality also at
For an emphasis of development, for the economic benefit and user experience for improving fruit, a series of fruit quality detection methods and sorting
Equipment comes into being.
It is sorted mostly according only to acquisition fruit surface image information in existing sorting equipment, this method can not detect
Fruit internal quality can only be sorted according to appearance.Sorting equipment also uses point light source fluorescence detection scheme, and the program lacks
Select is that detection fruit that cannot be comprehensive can only detect some part, therefore the precision detected is not high, still there is a large amount of leakage
Inspection rate.It is low to solve the problems, such as to detect not comprehensive and sorting precision, comprehensive detection system need to be designed, omission factor is reduced, mentions
The quality for rising fancy fruit, increases economic efficiency and user experience.
Summary of the invention
The object of the present invention is to provide a kind of novel system and method that can be fast accurately sorted to fruit.
For achieving the above object, technical solution of the present invention is specific as follows:
A kind of fruit sorting system based on fluorescence detection, including pigeonholes, fluorescence detection device, implementation mechanism, transmission
Band, sorting frame and control system, conveyer belt are run on pigeonholes, several rotating devices of equidistantly distributed on conveyer belt, rotation
Device is fixedly arranged above detection plate, and rotating device is for driving detection plate to rotate horizontally, fluorescence detection device and several implementation machines
Structure is individually fixed on pigeonholes, and fluorescence detection device and several implementation mechanisms are equidistantly parallel to conveyer belt side, glimmering
Optical detection device is located at initial position, fluorescence detection device and carry out between mechanism and several spacing carried out between mechanism with turn
Spacing between dynamic device is identical, has detection probe on fluorescence detection device, detection probe towards detection plate conduct route,
For several sorting equidistant parallelly distribute ons of frame on the pigeonholes of the conveyer belt other side, each sorting frame and each implementation mechanism one are a pair of
It answers, conveyer belt, fluorescence detection device, implementation mechanism, rotating device are connected with control system respectively, and rotating device is in control system
The lower rotation of control drives detection plate to rotate a circle, and the detection probe on fluorescence detection device is scanned the fruit in detection plate
And sending scan data to control system, control system judges the corresponding sorting frame of scanned fruit according to scan data and controls
Conveyer belt runs a distance and scanned fruit is transported between corresponding sorting frame implementation mechanism corresponding with the other side, controls later
The corresponding mechanism action of carrying out of mechanism controls processed is by the corresponding sorting frame of scanned fruit push-in.
Further, the rotating device is stepper motor, and the output shaft of stepper motor is perpendicular to the conveyer belt, detection
Disk is fixed on stepping motor output shaft.
Further, the mechanism and the number of the sorting frame carried out is respectively three.
A kind of fruit method for sorting based on fluorescence detection, which comprises the following steps:
S1: the pol of experimental calibration fruit to be sorted, moisture content, color and fluorescent characteristics model under total acidity are simultaneously established
Database；
S2: fruit to be sorted being placed on rotating device and is rotated a circle, and detects to obtain fruit by fluorescence detection device
The mean fluorecence spectral information to rotate a circle；
S3: the model in database is called, the fluorescence spectrum information of acquisition is brought into model, judges fruit to be sorted
Quality grading；
S4: fruit to be sorted is delivered to sorting frame corresponding with classification according to classification results.
Further, the characteristic model in the step S1 is measured at fluorescence exciting wavelength 365nm.
6 is further, and the step S3 is specifically included: the model data in database is called, by the fluorescence spectrum of acquisition
Information is brought into model, and pol, water content, color and the total acidity of fruit are calculated by the proportion weighted of 4:3:2:1, will be added
Power calculated result is compared with model data, judges the quality grading of fruit to be sorted.
Beneficial effects of the present invention:
A kind of fruit sorting and method based on fluorescence detection of the invention, can detect multiple fruit internal qualities simultaneously and refer to
Mark, and fruit can be uniformly detected, detection and nicety of grading are promoted, user experience is promoted, promotes the selling by grade of fruit, promotes warp
Ji benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fruit sorting system of one of the embodiment of the present invention based on fluorescence detection；
Fig. 2 is a kind of fruit sorting system work flow diagram based on fluorescence detection of the embodiment of the present invention；
In figure 1 above, 1: pigeonholes, 2: conveyer belt, 3: stepper motor, 4: detection plate, 5: carrying out mechanism one, 6: implementation is tied
Structure two, 7: implementation structure three, 8: fluorescence detection device, 9: detection probe, 10: sorting frame one, 11: sorting frame two, 12: sorting frame
Three.
Specific embodiment:
Embodiment 1
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.
In the present embodiment, a kind of fruit quality sorting system based on fluorescence detection device includes pigeonholes 1, fluorescence detection
Device 8 carries out mechanism, conveyer belt 2, stepper motor, detection plate, sorting frame, control system.As shown in Figure 1, in pigeonholes 1
Between be provided with conveyer belt 2 above position, several stepper motors 3 are uniformly arranged on conveyor belt 2, and each stepper motor 3
Surface be provided with a detection plate 4.The upper left corner of conveyer belt 2 is provided with a fluorescence detection device 8, fluorescence detection dress
The detection probe 9 for setting 8 faces detection plate 4.Three implementation mechanisms are arranged in the right of fluorescence detection device 8.Carry out mechanism according to
The category signal of control system executes corresponding operation, and fruit is pushed in corresponding sorting frame.Sorting frame setting is being carried out
The lower end of mechanism, and correspond therewith, while it is identical as implementation mechanism and motor 3 that spacing is arranged.Set-up of control system
In the lower section of pigeonholes 1, it is electrically connected conveyer belt, stepper motor, fluorescence detection device and carries out mechanism.
As shown in Fig. 2, being execution flow chart of the invention, the mode of fruit manual or automaticization is placed into detection first
In disk, control system controls conveyer belt 2 and operates, and when fluorescence detection device 8 detects that there is fruit in front, conveyer belt 2 stops
The stepper motor 3 of operating, 8 front of fluorescence detection device slowly rotates a circle, and the data that fluorescence detection device 8 will test pass
Control system is given, control system sends the category signal of fruit to implementation mechanism, carries out mechanism and executes accordingly according to signal
Operation fruit is pushed in corresponding sorting frame, complete a sort operation.The system is persistently followed according to above-mentioned step
Ring, until closing system.
The invention also provides a kind of classification methods based on fluorescence detection device, comprising the following steps:
Step 1: before measurement, the fluorescence under the several fruit difference pol of experimental calibration, moisture content, color and total acidity is special
Model is levied, the characteristic model is measured at fluorescence exciting wavelength 365nm；Take apple as an example, fluorescence detection device is opened
The excitation light source of 365nm irradiates apple sample, receives reflected fluorescent light spectral signal by detection probe, will after measuring 50 groups of samples
All spectral signals carry out the removal of noise by SG algorithm, later by using PLSR to carry out to apple after PCA feature extraction
Pol, moisture content, color and total acidity and characteristic spectrum carry out models fitting, and using 4:3:2:1 ratio to 50 groups of apples
Pol, moisture content, color and the total acidity of fruit sample are weighted, and 2 standards are averagely divided according to result, by result point
For 3 classes.When calibration, pol, moisture content, color and total acidity are by other existing Instrument measurings.
Step 2: using the model that above-mentioned steps are measured to all kinds of fruit, and establish a database；
Step 3: fruit information being set before detection, fruit is placed in detection plate, is detected one week by fluorescence detection device
One week mean fluorecence spectral information is obtained afterwards；
Step 4: calling the model in database, fluorescence spectrum information is brought into model, the pol of fruit is obtained, contains
Water, color and total acidity；
Step 5: pol, water content, color and the total acidity of fruit are calculated by the proportion weighted of 4:3:2:1, according to number
Data division is carried out according to 2 criteria for classifying of fruit a certain in library；
Step 6: sending delivery device to sort division result.
Above embodiments are merely to illustrate design philosophy and feature of the invention, and its object is to make technology in the art
Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to
It is within the scope of the present invention according to equivalent variations made by disclosed principle, mentality of designing or modification.
Claims (6)
1. a kind of fruit sorting system based on fluorescence detection, which is characterized in that including pigeonholes, fluorescence detection device, implementation
Mechanism, conveyer belt, sorting frame and control system, conveyer belt are run on pigeonholes, several rotations of equidistantly distributed on conveyer belt
Device, rotating device are fixedly arranged above detection plate, rotating device for driving detection plate to rotate horizontally, if fluorescence detection device and
Dry mechanism of carrying out is individually fixed on pigeonholes, and fluorescence detection device and several implementation mechanisms are equidistantly parallel to conveyer belt
Side, fluorescence detection device is located at initial position, between fluorescence detection device and implementation mechanism and between several implementation mechanisms
Spacing between spacing and rotating device is identical, has detection probe on fluorescence detection device, and detection probe is towards detection plate
Conduct route, several sorting equidistant parallelly distribute ons of frame respectively sort frame and each implementation machine on the pigeonholes of the conveyer belt other side
Structure corresponds, and conveyer belt, fluorescence detection device, implementation mechanism, rotating device are connected with control system respectively, and rotating device exists
The lower rotation of control system control drives detection plate to rotate a circle, and the detection probe on fluorescence detection device is to the fruit in detection plate
It is scanned and sends scan data to control system, control system judges the corresponding sorting of scanned fruit according to scan data
Frame and control conveyer belt run a distance by scanned fruit be transported to corresponding sorting frame implementation mechanism corresponding with the other side it
Between, the corresponding mechanism action of carrying out of control mechanism control later is by the corresponding sorting frame of scanned fruit push-in.
2. a kind of fruit sorting system based on fluorescence detection according to claim 1, which is characterized in that the rotation dress
It is set to stepper motor, perpendicular to the conveyer belt, detection plate is fixed on stepping motor output shaft the output shaft of stepper motor.
3. a kind of fruit sorting system based on fluorescence detection according to claim 1, which is characterized in that the implementation machine
The number of structure and the sorting frame is respectively three.
4. a kind of fruit method for sorting based on fluorescence detection, which comprises the following steps:
S1: the pol of experimental calibration fruit to be sorted, moisture content, color and fluorescent characteristics model under total acidity simultaneously establish data
Library；
S2: fruit to be sorted being placed on rotating device and is rotated a circle, and detects to obtain fruit rotation by fluorescence detection device
One week mean fluorecence spectral information；
S3: the model in database is called, the fluorescence spectrum information of acquisition is brought into model, judges the product of fruit to be sorted
Matter classification；
S4: fruit to be sorted is delivered to sorting frame corresponding with classification according to classification results.
5. a kind of fruit method for sorting based on fluorescence detection according to claim 4, which is characterized in that the step S1
In characteristic model measured at fluorescence exciting wavelength 365nm.
6. a kind of fruit method for sorting based on fluorescence detection according to claim 4, which is characterized in that the step S3
It specifically includes: calling the model data in database, the fluorescence spectrum information of acquisition is brought into model, by 4:3:2:1's
Proportion weighted calculate pol, water content, color and the total acidity of fruit, weighing computation results and model data are carried out pair
Than judging the quality grading of fruit to be sorted.
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| CN201910448886.9A CN110270517A (en) | 2019-05-28 | 2019-05-28 | A kind of fruit sorting system and its method based on fluorescence detection |
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| CN201910448886.9A CN110270517A (en) | 2019-05-28 | 2019-05-28 | A kind of fruit sorting system and its method based on fluorescence detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229633A (en) * | 2020-03-11 | 2020-06-05 | 山东理工大学 | Machine vision equipment based on two cameras detect spheroidal fruit quality |
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| EP1095263A1 (en) * | 1998-07-03 | 2001-05-02 | DLO-Centrum voor Plantenveredelings- en Reproductie Onderzoek (CPRO-DLO) | Method for determining the quality of fruit and berries and apparatus for sorting fruit and berries |
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| CN106733730A (en) * | 2017-02-09 | 2017-05-31 | 谷新运 | Rotary-tray conveyor type Kiwi berry damages screening installation |
| CN108882691A (en) * | 2015-11-18 | 2018-11-23 | 联邦科学技术研究组织 | Rice grain with the aleurone thickened |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020675A (en) * | 1986-11-12 | 1991-06-04 | Lockwood Graders (Uk) Limited | Apparatus for sorting conveyed articles |
| EP1095263A1 (en) * | 1998-07-03 | 2001-05-02 | DLO-Centrum voor Plantenveredelings- en Reproductie Onderzoek (CPRO-DLO) | Method for determining the quality of fruit and berries and apparatus for sorting fruit and berries |
| CN1462875A (en) * | 2003-06-19 | 2003-12-24 | 上海交通大学 | System of recognizing quality of amphisarca in high speed based on machine vision |
| CN101021478A (en) * | 2007-02-13 | 2007-08-22 | 江西农业大学 | Laser inducing fluorescent high spectral image detecting method and device for fruit quality |
| CN102941189A (en) * | 2012-11-30 | 2013-02-27 | 上海交通大学 | Controllable rotary angle insection tray device of fruit sorter |
| CN104889075A (en) * | 2015-05-22 | 2015-09-09 | 芜湖林一电子科技有限公司 | Vision inspection device for appearance defects of rollers |
| CN108882691A (en) * | 2015-11-18 | 2018-11-23 | 联邦科学技术研究组织 | Rice grain with the aleurone thickened |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111229633A (en) * | 2020-03-11 | 2020-06-05 | 山东理工大学 | Machine vision equipment based on two cameras detect spheroidal fruit quality |
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Application publication date: 20190924 |