CN106896111A - A kind of potato external sort intelligent checking system based on machine vision - Google Patents
A kind of potato external sort intelligent checking system based on machine vision Download PDFInfo
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- CN106896111A CN106896111A CN201710192672.0A CN201710192672A CN106896111A CN 106896111 A CN106896111 A CN 106896111A CN 201710192672 A CN201710192672 A CN 201710192672A CN 106896111 A CN106896111 A CN 106896111A
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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
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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Abstract
The present invention discloses a kind of potato external sort intelligent checking system based on machine vision, including the first detection means for detecting potato first half surface quality, the second detection device for detecting potato lower half surface quality, the output end of the first detection means conveyer belt is additionally provided with the turning device for potato to be overturn higher than the input of second detection device conveyer belt between the first detection means and second detection device；First detection means and second detection device are equipped with casing, casing is provided with entrance and exit along respective belt direction, and casing is provided with the range finder module for detection and potato distance and is arranged at box house surface and the detection module for detecting potato surface quality；System is additionally provided with the processing module for being electrically connected with range finder module and detection module respectively, and relative to prior art, technical solution of the present invention has simple structure, with low cost, high accuracy for examination.
Description
Technical field
The present invention relates to product design Intelligent Measurement field, the outer component of more particularly to a kind of potato based on machine vision
Matter intelligent checking system.
Background technology
Potato is global the fourth-largest staple food crop, and its yield is only second to wheat, paddy and corn, and China is generation
The plantation big country and yield big country of potato in boundary.At 2014, the potato planting area of China has reached 5,570,000 public affairs
Hectare, potato yield has reached more than 9,500 ten thousand tons so that the cultivated area and yield of China account for the world four/
One, therefore the related industry of potato has considerable productive potentialities and the market space.
At present, in domestic production application, condition inspection and classification are mainly carried out to potato by manpower, and passes through people
Work being classified a large amount of manpower and materials of not only waste, and increased unnecessary cost.And by manually being classified, it is also easy to lead
Cause classification error so that unqualified potato product is come into the market, and underproof potato product is deposited to human body health
Necessarily endangering.Therefore, correct and efficient inspection and classification are carried out to potato product exterior quality, for whole potato
Industry development has meaning of crucial importance.
The content of the invention
The main object of the present invention is to propose that a kind of simple structure, service-strong are based on outside the potato of machine vision
Quality intelligent checking system, it is intended to reduce the working strength of artificial quality inspection potato surface quality, improve potato detection sorting
Accuracy rate and operating efficiency.
To achieve the above object, the present invention proposes a kind of potato external sort Intelligent Measurement system based on machine vision
System, including for detecting the first detection means of potato first half surface quality, for detecting potato lower half surface matter
The second detection device of amount, the output end of the first detection means conveyer belt is defeated higher than the second detection device conveyer belt
Enter end, the turning device for potato to be overturn is additionally provided between first detection means and the second detection device；
First detection means and the second detection device are equipped with casing, the casing along respective belt direction be provided with into
Mouth and outlet, the casing are provided with the range finder module for detection and potato distance and are arranged at the box house surface
And for detecting the detection module of potato surface quality；The system be additionally provided with respectively with the range finder module and the place
The processing module of reason module electrical connection.
Preferably, the turning device is the returning face plate that middle part is provided with horizontally disposed trip shaft, and the returning face plate is in downward
Skewed, the upper end of the returning face plate is close to the output end of the first detection means conveyer belt, and the lower end of the returning face plate is leaned on
The input of nearly second detection device conveyer belt, the returning face plate is connected with towards the side top of first detection means can
The spring of compression, the returning face plate is provided with projection away from the side bottom of first detection means, the projection top surface be in
Lower inclination.
Preferably, the turning device is in the pipe-like slide channel being vertically arranged up and down, the top of the slide channel
End is close to the output end of the first detection means conveyer belt, and the end of the slide channel is defeated near the second detection device
The end of the input of band, the slide channel is sent to be provided with input of the bending road section towards the second detection device conveyer belt
End.
Preferably, the range finder module include being arranged at the casing with respect to the ultrasonic sensor of two medial surfaces and
51 single chip microcomputer circuit boards of the casing lateral surface are arranged at, the ultrasonic sensor is electrically connected with 51 single chip microcomputer circuit board
Connect, 51 single chip microcomputer circuit board is electrically connected with the processing module.
Preferably, the detection module is two cmos cameras for being arranged at the casing inside ceiling panel bottom surface, described
Cmos camera is electrically connected with the processing module.
Preferably, the processing module is terminal processor.
Preferably, it is all provided with along the conveying direction of conveyer belt inside first detection means and the second detection device
There is the shunting support plate for shunting, the shunting support plate is located at conveyer belt top.
Preferably, the casing inside ceiling panel bottom surface is provided with the LED for illuminating.
Preferably, the interior is coated with the white coating for improving illumination reflecting effect.
Technical solution of the present invention can be sensed by the range finder module of the first detection means and second detection device be positioned over it is defeated
Send whether the potato for taking is accurate to up in the region of identification to be detected, it is then to be checked to coming into by cmos camera
The potato surveyed in region carries out IMAQ detection, enters finally by the terminal processor for being provided with MATLAB softwares
The corresponding calculation process of row, so that real-time detection goes out non-compliant potato, and by the first detection means and second
Turning device between detection means realizes the upset between the potato first half and lower half, so that potato is carried out entirely
Orientation detection, occurs situations such as to avoid missing inspection etc. from can't detect.
Relative to prior art, technical solution of the present invention has simple structure, with low cost, high accuracy for examination, can
Realize carrying out automatic detection to the potato of different external sort states, misjudgment is easily caused when effectively reducing manual sorting
Technical problem, while the detecting system can be applied to streamline effect, reduce labour intensity, improve sort efficiency and accurate
Rate, can increase the economic profit space of corresponding agricultural product.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is potato external sort intelligent checking system structural representation of the present invention based on machine vision；
Fig. 2 is potato external sort intelligent checking system overhaul flow chart of the present invention based on machine vision；
Fig. 3 is the turning device structural representation of the embodiment of the present invention one；
Fig. 4 is the turning device structural representation of the embodiment of the present invention two.
Figure drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Casing | 10 | Spring |
| 2 | 51 single chip microcomputer circuit boards | 11 | Returning face plate |
| 3 | Ultrasonic sensor | 111 | Projection |
| 4 | Cmos camera | 12 | Trip shaft |
| 5 | Camera mount | 13 | Second detection device conveyer belt |
| 6 | LED | 14 | Slide channel |
| 7 | Shunting support plate | 141 | Curved pipe section |
| 8 | Terminal processor | 15 | Cover plate |
| 9 | First detection means conveyer belt |
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality indicate (such as up, down, left, right, before and after ...),
Then directionality indicate to be only used for explain relative position relation between each part under a certain particular pose (as shown in drawings),
Motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, being somebody's turn to do " first ", " second " etc.
Description be only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate indicated skill
The quantity of art feature.Thus, " first " is defined, at least one spy can be expressed or be implicitly included to the feature of " second "
Levy.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, when the combination appearance of technical scheme is conflicting or cannot realize it will be understood that the knot of this technical scheme
Conjunction does not exist, not within the protection domain of application claims yet.
The present invention proposes a kind of potato external sort intelligent checking system based on machine vision.
Embodiment 1
Refer to Fig. 1, the potato external sort intelligent checking system based on machine vision of the embodiment of the present invention, including
For detect potato first half surface quality the first detection means, for detect potato lower half surface quality second
Detection means, and the output end of the first detection means conveyer belt 9 is higher than the input of second detection device conveyer belt 13, and first
Be additionally provided with the turning device for potato to be overturn between detection means and second detection device, the first detection means and
Second detection device is equipped with casing 1, and casing 1 is provided with entrance and exit along respective belt direction, and casing 1 is provided with for examining
Survey and the range finder module of potato distance and be arranged at the interior surface of casing 1 and the detection for detecting potato surface quality
Module, the system of the present embodiment is additionally provided with the processing module for being electrically connected with range finder module and detection module respectively.
Fig. 1 and Fig. 3 is referred to, specifically, the turning device horizontally disposed upset for middle part is provided with the embodiment of the present invention
The returning face plate 11 of axle 12, returning face plate 11 is ramp-like in dipping down, and wherein the upper end of returning face plate 11 is near the first detection means conveyer belt 9
Output end, near the input of second detection device conveyer belt 13, returning face plate 11 is towards the first detection for the lower end of returning face plate 11
The side top of device is connected with compressible spring 10, and returning face plate 11 is provided with projection away from the lateral bottom plates of the first detection means
111, the top surface of projection 111 is in downward-sloping.
Specifically, the range finder module in the embodiment of the present invention includes being arranged at the ultrasonic wave of relative two medial surfaces of casing 1
Sensor 3 and 51 single chip microcomputer circuit boards 2 of the lateral surface of casing 1 are arranged at, wherein the single chip circuit of ultrasonic sensor 3 and 51
Plate 2 is electrically connected, and 51 single chip microcomputer circuit boards 2 are electrically connected with processing module.And detection module is to be arranged at the inner top bottom surface of casing 1
Two cmos cameras 4.In addition, along the defeated of conveyer belt inside first detection means and second detection device of the present embodiment
Direction is sent to be equipped with the shunting support plate 7 for shunting potato, shunting support plate 7 is positioned at the top of conveyer belt, and the inside ceiling panel of casing 1
Bottom surface is provided with the LED 6 for illuminating, and the inner surface of casing 1 is coated with the white coating for improving illumination reflecting effect.First
The casing 1 of detection means and second detection device can be provided with the cover plate 15 of pivot, in order to enter for the parts inside casing 1
Row maintenance is changed.
Fig. 1 is referred to, in first detection means and second detection device of the embodiment of the present invention, positioned at the left side of casing 1
The medial surface of plate and right plate is mounted on ultrasonic sensor 3, and the left plate of casing 1 and the lateral surface of right plate are respectively mounted
There are 51 single chip microcomputer circuit boards 2, ultrasonic sensor 3 can send ultrasonic signal to transmission belt, and reclaim through shunting support plate 7 times
The ultrasonic signal of bullet, and the top board undersurface of casing 1 is provided with the cmos camera 4, CMOS for being shot to potato surface
Video camera 4 is connected by camera mount 5 with the top board undersurface of casing 1, and the top board undersurface of casing 1 is provided with along conveyer belt direction of transfer
Two LEDs 6 for being used to illuminate, carry out effective shooting, in addition in order to the cmos camera 4 inside casing 1 to potato
Cmos camera 4 is arranged at the top board undersurface of casing 1, and is shot toward potato, and in the first detection means and second
It is provided with for shunting near conveyer belt axial centerline and above conveyer belt upper surface inside the casing 1 of detection means
The shunting support plate 7 of potato, shunting support plate 7 can ensure that potato is single and passed through, and shunts support plate 7 and separate conveyer belt
Be two independent conveyer belts, and coordinate detection two cmos cameras 4 surface quality detection is carried out to potato, to improve horse
The whole detection efficiency of bell potato.In addition, the inner surface of casing 1 be coated with white coating, can improve the illumination of box house with
And reflecting effect.
Fig. 1 to Fig. 3 is referred to, the embodiment of the present invention is based on the potato external sort intelligent checking system of machine vision
Operation principle：
Be positioned over potato on the first detection means conveyer belt 9 in advance by testing staff, then causes that potato can be by
Exported from the entrance of casing 1 to casing 1 in the push active force of conveyer belt and conveyed, the left plate of casing 1 and right plate
Inner surface is provided with ultrasonic sensor 3, and two ultrasonic sensors 3 are to the shunting support plate 7 positioned at conveyer belt center
Ultrasonic signal is sent, when not having storage to have potato on conveyer belt, ultrasonic signal is directly touched in shunting after being sent
The ultrasonic sensor 3 that resilience is turned back to left plate or right side plate surface is carried out behind the surface of support plate 7, and by ultrasonic sensor
3 are received, and the turnaround time at this moment is T1, i.e., ultrasonic sensor 3 launches ultrasonic wave to the distance twice pair of shunting support plate 7
The time answered.And when potato is placed with conveyer belt, ultrasonic signal can be touched directly in potato surface after being sent
And turned back the ultrasonic sensor 3 to left plate or right plate by resilience, and the turnaround time at this moment is T2, it will be apparent that, come
Return time T2 shorter than turnaround time T1, thus 51 single chip microcomputer circuit boards 2 can from the gap of time judge on conveyer belt whether
It is placed with potato.
After 51 single chip microcomputer circuit boards 7 are known is placed with potato on conveyer belt, work is sent to terminal processor 8
Make signal, and terminal processor 8 to be arranged at the top board undersurface of casing 1 left side and/or cmos camera 4 respectively to horse
Bell potato top half surface is shot, and the photographic intelligence that will be collected is sent to terminal processor 8, computer end
End processor 8 is compared computing by using MATLAB softwares to photographic intelligence and the database information for prestoring, when collection
The potato Comparison of standards photo that potato surface picture information and date storehouse prestores is compared, if there is shagreen, hole, hair
When bud, breakage, terminal processor 8 then assert that the potato does not meet the potato edible mark of national regulation
Standard, and display in terminal processor 8 shows to testing result.Specifically, for example judge that potato is
No germination, the related algorithm optimized by using Corner Detection Algorithm and to it, Ma Ling is calculated using gradient or radian
Whether potato somewhere there is the structure at angle, as judging whether potato germinates, so as to further determine that whether potato meets
Respective country standard.
After the first half surface of potato is detected to be finished, potato is along the first detection means conveyer belt 9 from conveying
The entrance of band is moved to outlet, wherein because the first detection means conveyer belt 9 and second detection device conveyer belt 13 are hanging down
There is certain difference in height, the i.e. port of export of the first detection means conveyer belt 9 higher than second detection device conveyer belt 13 on straight height
Input, and be provided with turning device, potato between the first detection means conveyer belt 9 and second detection device conveyer belt 13
Slid out from the port of export of the first detection means conveyer belt 9 after coming, the first detection means is deviated from along turnover returning face plate 11
Side slide downward, after the end of potato contacts at 111 top surface of projection of the bottom of returning face plate 11, potato itself weight
Power effect is lower can to cause that returning face plate 11 swings certain angle clockwise around horizontally disposed trip shaft 12, while because
For the top surface of projection 111 of the bottom of returning face plate 11 is ramp-like in dipping down, therefore potato can not for a long time stay in projection 111 and push up
Face, potato is then poured on the surface of second detection device conveyer belt 13, and along second detection device conveyer belt 13 to outlet
End is conveyed, and carries out the quality testing on same potato lower half surface.And returning face plate 11 is near the first detection means
Side top be connected with spring 10, spring 10 is pulled to returning face plate 11 so that returning face plate 11 swings counterclockwise
Certain angle simultaneously restores to the original state, to be carried out to another potato come from the conveying of the first detection means conveyer belt 9
Pick and overturn.
By the first detection means and second detection device, the surface of the first half of potato and lower half can be carried out entirely
Orientation quality testing, the Ma Ling for not meeting national respective standard is detected for the first detection means and/or second detection device
Potato, can be coordinated to non-compliant potato jointly by external equipment with the first detection means and second detection device
Rejected, to avoid substandard product from circulating channel.
In the embodiment of the present invention, the first detection means and second detection device can be sensed by range finder module and be positioned over conveying
Whether the potato for taking is accurate to up in the region of identification to be detected, is then come into by cmos camera 4 pairs to be checked
The potato surveyed in region carries out IMAQ detection, finally by the terminal processor 8 for being provided with MATLAB softwares
Corresponding calculation process is carried out, so that real-time detection goes out non-compliant potato, and by the first detection means and
Turning device between two detection means is realized being overturn between the potato first half and lower half, so that potato is carried out entirely
Orientation detection, occurs with the situation for avoiding missing inspection.
The potato external sort intelligent checking system based on machine vision of the embodiment of the present invention, simple structure, cost
Cheap, accuracy rate is high, is capable of achieving to carry out automatic detection to the potato of different external sort states, when effectively reducing manual sorting
Wrongheaded technical problem is easily caused, while the detecting system can be applied to streamline effect, labour intensity is reduced, improved
Sort efficiency and accuracy rate, can increase the economic profit space of corresponding agricultural product.
Embodiment 2
Fig. 4 is referred to, the present embodiment is same as Example 1 in addition to following characteristics：The turning device is in vertical up and down
The pipe-like slide channel 14 of setting, the top of the slide channel 14 is close to the output end of the first detection means conveyer belt 9,
Near the input of second detection device conveyer belt 13, the end of the slide channel 14 sets for the end of the slide channel 14
There is input of the bending road section 141 towards the second detection device conveyer belt 13.
After the first half surface of potato is detected in the first detection means to be finished, potato is defeated in the first detection means
Send and enter in the pipe-like slide channel 14 of the present embodiment turning device with 9 ports of export, potato is from the top of slide channel 14
Enter line slip to bottom, by after the straight pipeline section and curved pipe section 141 of slide channel 14, potato eventually falls into the to potato
The input of two detection means conveyer belts 13, and potato by after slide channel 14, realize potato the first half and under
Overturn between half portion.It should be noted that because potato enters second detection device from the curved pipe section 141 of slide channel 14
During conveyer belt 13, the directed force F 1 that potato was subject to originally exists with second detection device conveyer belt 13 to the directed force F 2 of potato
On direction on the same straight line, potato can be avoided produced because two active forces being subject to have a certain altitude difference torque to make
Obtain potato to overturn again, so as to can ensure that potato carries out comprehensive table in the first detection means and second detection device
Face quality testing.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every at this
Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/it is used in indirectly
The technical field of his correlation is included in scope of patent protection of the invention.
Claims (9)
1. a kind of potato external sort intelligent checking system based on machine vision, it is characterised in that including for detecting horse
First detection means of bell potato first half surface quality, the second detection device for detecting potato lower half surface quality,
Higher than the input of the second detection device conveyer belt, described first detects the output end of the first detection means conveyer belt
The turning device for potato to be overturn is additionally provided between device and the second detection device；First detection means and
The second detection device is equipped with casing, and the casing is provided with entrance and exit, the casing along respective belt direction
It is provided with for detecting and the range finder module of potato distance and being arranged at the box house surface and for detecting potato
The detection module of surface quality；The system is additionally provided with the place for being electrically connected with the range finder module and the detection module respectively
Reason module.
2. the system as claimed in claim 1, it is characterised in that the turning device is that middle part is provided with horizontally disposed trip shaft
Returning face plate, the returning face plate is ramp-like in dipping down, and the upper end of the returning face plate is near the defeated of the first detection means conveyer belt
Go out end, the lower end of the returning face plate is close to the input of second detection device conveyer belt, and the returning face plate is examined towards described first
The side top for surveying device is connected with compressible spring, and the returning face plate sets away from the side bottom of first detection means
There is projection, the projection top surface is in downward-sloping.
3. the system as claimed in claim 1, it is characterised in that the turning device is to be slided in the pipe-like being vertically arranged up and down
Terraced passage, the top of the slide channel is close to the output end of the first detection means conveyer belt, the end of the slide channel
Near the input of the second detection device conveyer belt, the end of the slide channel is provided with bending road section towards described the at end
The input of two detection means conveyer belts.
4. system as claimed in claim 2 or claim 3, it is characterised in that the range finder module includes being arranged at the casing relative
The ultrasonic sensor of two medial surfaces and 51 single chip microcomputer circuit boards of the casing lateral surface are arranged at, the ultrasonic wave is passed
Sensor is electrically connected with 51 single chip microcomputer circuit board, and 51 single chip microcomputer circuit board is electrically connected with the processing module.
5. system as claimed in claim 2 or claim 3, it is characterised in that the detection module is to be arranged at the casing inside ceiling panel
Two cmos cameras of bottom surface, the cmos camera is electrically connected with the processing module.
6. system as claimed in claim 2 or claim 3, it is characterised in that the processing module is terminal processor.
7. the system as claimed in claim 1, it is characterised in that inside first detection means and the second detection device
The shunting support plate for shunting is equipped with along the conveying direction of conveyer belt, the shunting support plate is located at conveyer belt top.
8. the system as claimed in claim 1, it is characterised in that the casing inside ceiling panel bottom surface is provided with the LED for illuminating.
9. system as claimed in claim 8, it is characterised in that the interior is coated with for improving the reflective effect of illumination
The white coating of fruit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710192672.0A CN106896111A (en) | 2017-03-28 | 2017-03-28 | A kind of potato external sort intelligent checking system based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192672.0A CN106896111A (en) | 2017-03-28 | 2017-03-28 | A kind of potato external sort intelligent checking system based on machine vision |
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| CN110469754A (en) * | 2019-09-23 | 2019-11-19 | 杭州意象科技有限公司 | Comprehensive automatic turning and rotating device |
| CN110823912A (en) * | 2019-11-27 | 2020-02-21 | 长沙理工大学 | Ceramic ring coating defect detection system and detection method based on machine vision |
| CN113128578A (en) * | 2021-04-08 | 2021-07-16 | 青岛农业大学 | Peanut excellent seed screening system and screening method thereof |
| CN114937077A (en) * | 2022-04-22 | 2022-08-23 | 南通荣华包装材料有限公司 | Peanut seed screening method |
| CN115365162A (en) * | 2022-08-22 | 2022-11-22 | 兰州理工大学 | Potato grading device based on machine vision and shape detection method |
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Cited By (9)
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|---|---|---|---|---|
| CN107589118A (en) * | 2017-09-05 | 2018-01-16 | 厦门大学 | A kind of component positive and negative detection method and device |
| CN107589118B (en) * | 2017-09-05 | 2021-03-19 | 厦门大学 | Method and device for detecting front and back of part |
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| CN110823912A (en) * | 2019-11-27 | 2020-02-21 | 长沙理工大学 | Ceramic ring coating defect detection system and detection method based on machine vision |
| CN113128578A (en) * | 2021-04-08 | 2021-07-16 | 青岛农业大学 | Peanut excellent seed screening system and screening method thereof |
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Application publication date: 20170627 |