CN202010662U - Real-time inspection and grading system device for fruit appearance quality - Google Patents

Real-time inspection and grading system device for fruit appearance quality Download PDF

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Publication number
CN202010662U
CN202010662U CN2011200036132U CN201120003613U CN202010662U CN 202010662 U CN202010662 U CN 202010662U CN 2011200036132 U CN2011200036132 U CN 2011200036132U CN 201120003613 U CN201120003613 U CN 201120003613U CN 202010662 U CN202010662 U CN 202010662U
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China
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fruit
classification
image processing
grading
infrared sensor
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CN2011200036132U
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Chinese (zh)
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张云伟
何芳
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昆明理工大学
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Abstract

A real-time inspection and grading system device for fruit appearance quality belongs to the field of visual inspection. The device comprises a conveying and acquisition system, an image processing system and a grading system. The conveying and acquisition system consists of a conveyor for fruits to be inspected, a light box, an inspection infrared sensor, an image acquisition card and a color video camera. The image processing system consists of a graphic workstation and an image processing software. The grading system consists of a grading conveyor, a grading infrared sensor and a stepping motor driving system. Images are acquired when fruits are rolling in the light box and then are graded by the image processing system. Grading results and information of the grading infrared sensor are jointly transmitted into a conjunction gate of the stepping motor driving system and judged by the conjunction gate, therefore automatic grading of the fruits is realized. The device adopts a computer visual system, thereby accomplishing inspection and grading of the fruits in size, shape, color and defect by one step. The real-time inspection and grading system device has the advantages of being time-saving, labor-saving, few in process, undamaged to fruits, few in used labor, small in occupied area, fast and precise and is suitable for inspection and grading of large quantities of fruits.

Description

The fruit exterior quality detects the hierarchy system device in real time

Technical field

The utility model relates to a kind of detection system device that is used for the fruit exterior quality, particularly has the device of the exterior quality detection of rollability fruit, belongs to field of visual inspection.

Background technology

Quality of agricultural product detects and classification, is the quality that guarantees agricultural product, improves the market competitiveness and the velocity of liquid assets of agricultural product, optimizes the important means of selling price of produce, thereby also is one of important step in the processing of farm products process.At present, many countries 100% are just putting on market after will pass through commercializations processing such as cleaning, waxing, classification, packing behind the fruit picking.And the most fruit of China come into the market from plucking to, and are not strict with said procedure.Only with regard to fruit grading, even if carried out the enterprise of fruit grading, existing fruit grading technology is also very backward, also is in hand-sorting, half mechanical sorting and photoelectricity classification stage at present.Hand-sorting relies on experience fully, rely on range estimation to judge the size of fruit, with staff the much the same fruit of size is selected and to be divided into a grade, this method consumption not only consuming time worker, labour intensity is big, the labour who uses is many, floor space is big, and owing to each yardstick that sorts people's letter sorting grasp differs, even same individual, also be difficult to the fruit that varies is made appropriate classification, cause the separation results precision low.Mechanical sorting is main according to size and weight sorting, weight or fruit according to the single fruit of weighing can carry out classification by the aperture that varies in size, damage to fruit in the assorting room is big, efficient is low, length consuming time, other index, as: the surface color of fruit, can not classification, the result does not reach the GB requirement.The photoelectricity classification utilizes fruit surface that its color characteristic is analyzed in the absorption and the reflection of the light in the different wavelength range, but this method can only be differentiated the surface color of fruit again, and can't take into account the feature of others, so have very big one-sidedness, be not suitable for the needs of fruit quality complete detection.In a word, detect the agricultural product exterior quality fast, accurate and comprehensively, then have problems such as the classification operation is many, device category is many, floor space is big as desire.

Summary of the invention

The purpose of this utility model, be to provide the fast, accurate and comprehensive detection fruit product of a kind of energy exterior quality, particularly detect size, the shape of fruit, the surface color and the defective of fruit, and can carry out classification to fruit in view of the above, and the fruit product exterior quality that need not a large amount of manpowers, a large amount of place, plurality of devices and multiple working procedure detects and grading plant, especially for the detection and the grading plant that detect the fruit that can roll.

Realize that the technical scheme that the purpose of this utility model adopted is: the utility model fruit exterior quality detects the hierarchy system device in real time, comprises and carries acquisition system, image processing system and hierarchy system three parts;

Described conveying acquisition system is made up of following device:

---fruit conveyor to be checked is used to carry the fruit of classification to be detected;

---lighting box is equipped with the fruit that is used for classification to be detected and carries out the light source of illumination and the inclined-plane workbench of the fruit that is used to roll in it; Lighting box lower-left end has a hand-hole and is connected with fruit conveyor to be checked, and the top, slope of inclined-plane workbench places below, place, hand-hole aperture, and lighting box bottom bottom righthand side has one and portals;

---detect infrared sensor, be installed on the top at fruit hand-hole place on the lighting box, be used to respond to information by the classification fruit to be detected of hand-hole;

---image pick-up card, its input with detect the infrared sensor output and be connected, be used for the information that the acquisition testing infrared sensor receives, and the control video camera is caught the video flowing of fruit rolling and is made a video recording;

---colour TV camera, be installed on lighting box upper end, its input is connected with the output of image pick-up card, is used for the fruit of the classification to be detected record of making a video recording;

Described image processing system is made up of graphics workstation and image processing software, and image processing software places graphics workstation; The input of graphics workstation is connected with the output of image pick-up card; Described graphics workstation mainly comprises multi-core processor, professional multichannel mainboard, high speed ECC verification internal memory, polylith high-capacity and high-speed hard disk and professional display device, is fruit is detected the place of handling with classification; Be provided with in the described image processing software to the exterior quality features such as size, shape, color and blemish of fruit in the image extract, analyze, the program of judgement and classification, each two field picture of the video flowing of the fruit motion that is used for image capturing system is collected extracts, to its exterior quality feature extract, analyze, judgement and classification;

Described hierarchy system is made up of following device:

---classification conveyer, the fruit after being used to carry after testing;

---the classification infrared sensor, its input is connected with the output of the graphics workstation of image processing system, is used for responding to the fruit that is passed through according to the rating information of image processing system, and the control step motor carries out classification to fruit to be handled;

---driving system of stepping motor, comprise with door, stepper motor and classification and dial plate, be used for fruit is carried out classification; Wherein, be connected with the output of the graphics workstation of image processing system and the output of classification infrared sensor respectively with two inputs of door, be connected with the input of stepper motor with the output of door, described classification is dialled plate and is installed on the stepper motor.

The purpose of this utility model further can realize by following structure: for obtaining the optimum efficiency of fruit surface color, the light source that fruit is carried out illumination uses fluorescent lamp; Be conserve space, described fruit conveyor to be checked and classification conveyer adopt endless apron; At different types of fruits and classification requirement, can adjust the angle of inclination of inclined-plane workbench, to realize the best rolling effect of fruit, the angle of inclination can place the installation site of the rotatingcylindrical drum under the inclined-plane to adjust by change.

The use principle that this fruit exterior quality detects the hierarchy system device in real time is according to the application of computer vision technique in the fruit context of detection, with computer to three-dimensional perception, comprise catch, analyze, process such as identification is applied to fruit and detects; Be the comprehensive of computer science, optics, automatic technology, pattern-recognition, artificial intelligence technology.

The using method that this fruit exterior quality detects the hierarchy system device in real time is: fruit conveyor to be checked is transported to the lighting box porch with fruit, the built-in fluorescent lamp of lighting box is on fruit, the infrared sensor of lighting box porch passes to image pick-up card with signal after sensing each fruit, fruit rolls on the inclined-plane workbench, IMAQ card control colour TV camera begins to catch the video flowing that fruit rolls, and finishes acquisition tasks.When fruit information outputs to image processing system from acquisition system, the graphics workstation of image processing system is actual to be a more comprehensive computer of function, utilize the image processing software in the computer that each two field picture of video flowing is extracted, by the size of image processing software to fruit in the image, shape, exterior quality such as color and blemish feature is extracted, analyze, judge, the graphic system fast processing has obtained the grade of each fruit then, and will be transported to each and door and each corresponding classification infrared sensor respectively to the classification results of each fruit, fruit is by behind the lighting box, continue to carry by detecting the back conveyer, each classification infrared sensor is then according to its information of sensing, warp is contrasting with door with the classification results that graphic system transmits, and the control step motor driven systems carries out the classification processing to fruit then.

Because the size of fruit differs, even also there is individual difference in the fruit of same kind, particularly the malformed fruit center of gravity departs to some extent, departs from original track during rolling easily, and therefore the inclined-plane workbench of design need guarantee that fruit can make pure rolling along desired track.Adjust the angle of inclination of inclined-plane workbench, can make different types of fruit on the inclined-plane workbench, realize pure rolling, fruit is intactly made a video recording in order to colour TV camera.

In image processing software, do thinner classification, and the quantity of classification infrared sensor, driving system of stepping motor in the corresponding increase hierarchy system, just can realize the fine graded of fruit.

The beneficial effects of the utility model are: because the native system device has adopted computer vision system, with computer the three dimensions that fruit rolls is carried out perception, comprise the catching of fruit, analyze, process such as identification, be the comprehensive of computer science, optics, automatic technology, pattern-recognition, artificial intelligence technology.Compare with other detection stage division of present employing, computer vision effectiveness of classification height, the automaticity height, once can finish the detection and the classification of size, shape, color, defective, detection and classification fast, accurately can solve legacy equipment and can't once finish the integrated treatment of many index, and overcome other stage division consumption consuming time worker, operation is many, damaged fruit, labour intensity are big, problem such as the labour of use is many, floor space is big.

Description of drawings

Fig. 1 is the structure diagram that fruit exterior quality of the present utility model detects the hierarchy system device in real time;

Fig. 2 is the side view of inclined-plane workbench in the lighting box;

Fig. 3 is the vertical view of hierarchy system device, also is the hierarchy system installation drawing of embodiment;

Fig. 4 is the electrical connection figure that fruit exterior quality of the present utility model detects the hierarchy system device in real time.

Respectively be labeled as among the figure: 1, fruit conveyor to be checked, 2, fruit, 3, rotatingcylindrical drum, 4, the inclined-plane workbench, 5, detect infrared sensor, 6, light source, 7, lighting box, 8, colour TV camera, 9, image processing system, 10, classification infrared sensor, 11, the classification conveyer, 12, classification infrared sensor 1,13, plate 1 is dialled in classification, 14, plate 2 is dialled in fruit packaging case 1,15, classification infrared sensor 2,16, classification, 17, the fruit packaging case 2,18, plate 3,20, fruit packaging case 3 are dialled in classification infrared sensor 3,19, classification.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples, but embodiment is not to qualification of the present utility model.

Embodiment, present embodiment carries out three grades of classifications to fruit, promptly comprises partly that in classification 1,2,3, three classifications of three classification infrared sensors dial 1,2,3, three fruit packaging casees 1,2,3 of plate.Below specify, referring to accompanying drawing 1,2,3.

This fruit exterior quality detects the hierarchy system device in real time and comprises conveying acquisition system, image processing system and hierarchy system three parts.

Carry acquisition system to form by fruit cyclic conveyor to be checked, detection infrared sensor, lighting box, colour TV camera and image pick-up card.Select for use the horizontal belt conveyer of TD75 type to carry for fruit to be detected.This general fixed belt conveyer has big, simple in structure, easy to maintenance, the advantages such as cost is low, highly versatile of conveying capacity.Detecting infrared ray sensor, to select Smartec company model for use be the infrared sensor of SMTIR9902, and this sensor is a kind of infrared sensor of the total silicon technology based on maturation, can measure the radiation temperature of object under the situation without any contact.Adjust the angle of inclination of inclined-plane workbench, guarantee the fruit pure rolling.The crust color of fruit is complicated, guarantee that all colours do not lose, and it is only selecting the light source of white; Therefore light source is selected fluorescent lamp for use, and fluorescent lamp is not only with low cost, is easier to form uniform photoenvironment, and is white light source, can guarantee that the fruit surface all colours do not lose.It is the colour TV camera of OK_AC1300 that colour TV camera is selected for use in the good perseverance in Beijing from image technique company model, this video camera adopts 1/2 inch colored area array CCD, 4.65 the square pixel of * 4.65 μ m, ultimate resolution 1300pixel * 1024pixel, R, G, the output of B three road component analog video signals, two kinds of mode of operations that the support standard is lined by line scan continuously and TTL pulse external trigger is lined by line scan, time for exposure is controlled, the shortest 20 μ s that reach, video camera all working state can be provided with by the RS232C serial line interface by computer.It is the Color Image Acquisition card of OK_RGB10B that image pick-up card is selected for use in the good perseverance in Beijing from image technique company model, this capture card is based on the RGB standard and the non-standard component type Color Image Acquisition card of pci bus, be applicable to the collection of high accuracy RGB coloured image, use three tunnel 8 A/D, support the picture format of RGB24, sample frequency is adjustable continuously, and maximum point frequently can reach 30MHz.

Image processing system is made up of deal with the work platform and image processing software of image.Selecting the E20 of association serial model No. is the graphics workstation of 4220A25, the configuration of this work station is as follows: CPU selects for use Intel to strong four nuclear X3450, save as 2GB in the standard configuration, maximum memory can arrive 16GB, hard-disk capacity is 500GB, be applicable to the go-on-go of a large amount of fruit, video card is selected NVIDIA Quadro FX580 for use, and operating system is the Windows7 professional version.Image processing software is selected MATLAB and C++ hybrid programming for use, and it has, and MATLAB coding power function is many, code is simpler, repeat that compile efficiency is very high, the characteristics that can simplify the operation, alleviate programming pressure and C++ write code and have the characteristics of program execution speed efficiently; In image processing software, it is provided with 3 classification levels by the classification claimed range.The video storage that collects reads out each two field picture by image processing software to graphics workstation, through a series of processing, comprise preliminary treatment such as image transitions, medium filtering, figure image intensifying, image are cut apart, rim detection, obtain being convenient to carrying out Feature Extraction in Image, application MATLAB software and Visual C++ software hybrid programming are write computer vision and are detected and hierarchy system software automatically, reach the color, size, shape and the blemish that detect fruit are discerned the also purpose of classification.

Hierarchy system is made up of circular hierarchical conveyer belt, classification infrared sensor, driving system of stepping motor, and driving system of stepping motor comprises with door, stepper motor and classification dials plate.The classification conveyer select for use with carry acquisition system in the identical model of cyclic conveyor, i.e. DT75 type horizontal belt conveyer.It is the infrared sensor of SMTIR9902 that the classification infrared sensor is still selected Smartec company model for use, is used to detect the fruit of having gathered image and whether has passed through certain position.The model that stepper motor selects for use U.S. Allegro company to produce is a pair of DMOS full-bridge micro-stepping pulsewidth modulation (PWM) stepper motor driver of A3992; A3992 inside provides various perfect safeguard measures such as crossover current protection, inner under-voltage locking, has guaranteed that this device can reliablely and stablely move.Classification infrared sensor, driving system of stepping motor mutual group become classification executing agency.The graded signal that the signal of classification infrared sensor and image processing system are sent is by linking to each other with control system that plate is dialled in door and each classification, and classification is dialled plate and driven by stepper motor, can rotate in 180 ° of scopes.After fruit is exported from acquisition system, continue to carry by another cyclic conveyor, the classification infrared sensor before dialling plate, is installed in each classification, judge whether fruit passes through; The signal that the classification infrared sensor is sensed is as identical to the graded signal of fruit with graphic system, open with door before the corresponding classification, the stepper motor of plate is dialled in the classification of this level of output pulse-triggered of infrared sensor, drive classification and dial the plate motion, fruit is assigned in the fruit packaging case of affiliated class, finished the detection and the classification of fruit.Dial the quantity of plate by increasing classification, just can realize the fine graded of fruit.

Claims (5)

1. the fruit exterior quality detects the hierarchy system device in real time, it is characterized in that: the utility model fruit exterior quality detects the hierarchy system device in real time, comprises carrying acquisition system, image processing system and hierarchy system three parts;
Described conveying acquisition system is made up of following device:
---fruit conveyor to be checked is used to carry the fruit of classification to be detected;
---lighting box is equipped with the fruit that is used for classification to be detected and carries out the light source of illumination and the inclined-plane workbench of the fruit that is used to roll in it; Lighting box lower-left end has a hand-hole and is connected with fruit conveyor to be checked, and the top, slope of inclined-plane workbench places below, place, hand-hole aperture, and lighting box bottom bottom righthand side has one and portals;
---detect infrared sensor, be installed on the top at fruit hand-hole place on the lighting box, be used to respond to information by the classification fruit to be detected of hand-hole;
---image pick-up card, its input with detect the infrared sensor output and be connected, be used for the information that the acquisition testing infrared sensor receives, and the control video camera is caught the video flowing of fruit rolling and is made a video recording;
---colour TV camera, be installed on lighting box upper end, its input is connected with the output of image pick-up card, is used for the fruit of the classification to be detected record of making a video recording;
Described image processing system is made up of graphics workstation and image processing software, and image processing software places graphics workstation; The input of graphics workstation is connected with the output of image pick-up card; Described graphics workstation mainly comprises multi-core processor, professional multichannel mainboard, high speed ECC verification internal memory, polylith high-capacity and high-speed hard disk and professional display device, is fruit is detected the place of handling with classification; Be provided with in the described image processing software to the exterior quality features such as size, shape, color and blemish of fruit in the image extract, analyze, the program of judgement and classification, each two field picture of the video flowing of the fruit motion that is used for image capturing system is collected extracts, to its exterior quality feature extract, analyze, judgement and classification;
Described hierarchy system is made up of following device:
---classification conveyer, the fruit after being used to carry after testing;
---classification infrared sensor, its input are connected with the output of the graphics workstation of image processing system, are used for responding to the fruit that is passed through according to the rating information of image processing system, and the control step motor carries out classification to fruit to be handled;
---driving system of stepping motor, comprise with door, stepper motor and classification and dial plate, be used for fruit is carried out classification; Wherein, be connected with the output of the graphics workstation of image processing system and the output of classification infrared sensor respectively with two inputs of door, be connected with the input of stepper motor with the output of door, described classification is dialled plate and is installed on the stepper motor.
2. fruit exterior quality according to claim 1 detects the hierarchy system device in real time, it is characterized in that: the light source that fruit is carried out illumination uses fluorescent lamp.
3. fruit exterior quality according to claim 1 detects the hierarchy system device in real time, it is characterized in that: described fruit conveyor to be checked and classification conveyer adopt endless apron.
4. fruit exterior quality according to claim 1 detects the hierarchy system device in real time, it is characterized in that: according to the angle of inclination of different types of fruits and classification requirement adjustment inclined-plane workbench.
5. detect the hierarchy system device in real time according to claim 1 or 4 described fruit exterior qualities, it is characterized in that: the adjustment at the angle of inclination of inclined-plane workbench places the installation site of the rotatingcylindrical drum under the inclined-plane to realize by change.
CN2011200036132U 2011-01-07 2011-01-07 Real-time inspection and grading system device for fruit appearance quality CN202010662U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601062A (en) * 2012-02-28 2012-07-25 北京联合大学 Device and method for automatically discriminating pure-color objects with different colors
CN102755965A (en) * 2012-07-27 2012-10-31 山东省农业科学院农产品研究所 Lighting-type fruit and vegetable comparison sorting machine
CN102773217A (en) * 2012-08-20 2012-11-14 四川农业大学 Automatic grading system for kiwi fruits
CN102873036A (en) * 2012-10-25 2013-01-16 集美大学 Automatic ball sorting device of snooker pool
CN103406286A (en) * 2013-08-16 2013-11-27 常熟理工学院 Online grading method for external quality of fruit based on LabVIEW
CN103934217A (en) * 2014-05-04 2014-07-23 太仓浩湖五金制品有限公司 Detection device for detecting bottle appearance
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
CN106179968A (en) * 2016-07-13 2016-12-07 龙江汇 Apple grading sorting equipment
CN106238340A (en) * 2016-08-05 2016-12-21 河南科技大学 A kind of Bulbus Allii Cepae intelligence sorting unit
CN106770339A (en) * 2016-11-30 2017-05-31 重庆速腾机械制造有限公司 Rotary work piece detection means
CN107243461A (en) * 2017-05-12 2017-10-13 宁波大红鹰学院 A kind of self-grading device
CN107891013A (en) * 2017-12-18 2018-04-10 苏州市锐翊电子科技有限公司 A kind of fruit Automated Sorting System

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601062A (en) * 2012-02-28 2012-07-25 北京联合大学 Device and method for automatically discriminating pure-color objects with different colors
CN102601062B (en) * 2012-02-28 2013-12-04 北京联合大学 Device and method for automatically discriminating pure-color objects with different colors
CN102755965A (en) * 2012-07-27 2012-10-31 山东省农业科学院农产品研究所 Lighting-type fruit and vegetable comparison sorting machine
CN102773217A (en) * 2012-08-20 2012-11-14 四川农业大学 Automatic grading system for kiwi fruits
CN102773217B (en) * 2012-08-20 2013-10-09 四川农业大学 Automatic grading system for kiwi fruits
CN102873036A (en) * 2012-10-25 2013-01-16 集美大学 Automatic ball sorting device of snooker pool
CN103406286A (en) * 2013-08-16 2013-11-27 常熟理工学院 Online grading method for external quality of fruit based on LabVIEW
CN103406286B (en) * 2013-08-16 2015-06-24 常熟理工学院 Online grading method for external quality of fruit based on LabVIEW
CN103934217A (en) * 2014-05-04 2014-07-23 太仓浩湖五金制品有限公司 Detection device for detecting bottle appearance
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
CN106179968A (en) * 2016-07-13 2016-12-07 龙江汇 Apple grading sorting equipment
CN106238340A (en) * 2016-08-05 2016-12-21 河南科技大学 A kind of Bulbus Allii Cepae intelligence sorting unit
CN106770339A (en) * 2016-11-30 2017-05-31 重庆速腾机械制造有限公司 Rotary work piece detection means
CN106770339B (en) * 2016-11-30 2020-10-09 重庆速腾机械制造有限公司 Rotary workpiece detection device
CN107243461A (en) * 2017-05-12 2017-10-13 宁波大红鹰学院 A kind of self-grading device
CN107891013A (en) * 2017-12-18 2018-04-10 苏州市锐翊电子科技有限公司 A kind of fruit Automated Sorting System

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