CN211707446U - Image acquisition device and grain color sorter - Google Patents
Image acquisition device and grain color sorter Download PDFInfo
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- CN211707446U CN211707446U CN201922485670.8U CN201922485670U CN211707446U CN 211707446 U CN211707446 U CN 211707446U CN 201922485670 U CN201922485670 U CN 201922485670U CN 211707446 U CN211707446 U CN 211707446U
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Abstract
The utility model discloses an image acquisition device and grain look selection machine, image acquisition device include image acquisition module and image processing apparatus. The grain color sorter comprises a base, a support frame is obliquely arranged on the base, a feeding system is arranged at the top of the support frame, a slide way is arranged on the inner side of the support frame, a feeding hole is formed in one side, located at the feeding system, of the upper end of the slide way, a first sorting box and a second sorting box are symmetrically arranged on two sides of the lower portion of the slide way, a first camera and a second camera are respectively arranged in the first sorting box and the second sorting box, a discharging hole is formed in the lower end of the slide way, a blowing device is arranged below the discharging hole in the second sorting box, a good product channel is arranged at the lower end of the discharging hole, and a defective product; the first sorting box is provided with an image processing device, and the first camera, the second camera and the air blowing device are all connected with the image processing device. The utility model discloses reduce the false retrieval rate, reduced the human cost, improved efficiency.
Description
Technical Field
The utility model relates to a look selects quick-witted detection technology field, specifically is an image acquisition device and grain look selection machine.
Background
China needs to make a large amount of grain reserves every year or buy the residual grain in the hands of farmers at high price in order to guarantee the benefits of the farmers. The manpower and material resources invested in the country every year are quite staggering, and the period is long. The quality of the grain has a considerable impact on the storage of the grain and may affect the storage of thousands of tons of grain due to a single grain of poor quality. It can be seen that the inspection of grain is an important step in the process of purchasing grain, the detection of grain size is not accurate enough if the existing grain size detection depends on sensory inspection, and the detection accuracy is not high if the existing color sorter is used for detection, so that a new grain color sorter is needed to improve the detection accuracy, reduce the labor cost and shorten the detection time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an image acquisition device and grain look selection machine to reduce the false retrieval rate, reduce the human cost, shorten check-out time, raise the efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
on one hand, the image acquisition device comprises an image acquisition module and an image processing device which are connected, wherein the image acquisition module comprises a first image acquisition unit and a second image acquisition unit; the image processing device comprises a first image processing module, a second image processing module, a main control module and a communication module; the first image acquisition unit is connected with the first image processing module; the second image acquisition unit is connected with the second image processing module; the first image processing module, the second image processing module and the communication module are all connected with the main control module; the communication module is connected with external equipment, and transmits the acquired image to the external equipment for image quality detection.
Further, the first image acquisition unit and the second image acquisition unit both comprise a DALSA sensor and/or a line camera, and the line camera comprises a first camera and a second camera, both of which are Dalsa Piranha44k cameras, with a line frequency of 100 KHz.
Furthermore, the image processing device also comprises a driving module, wherein the image acquisition module and the main control module are both connected with the driving module and are used for controlling the image acquisition module to be opened or closed.
Further, the image acquisition module further comprises an illumination device, and the illumination device is connected with the driving module.
On the other hand, the grain color sorter comprises a base, wherein a support frame is obliquely arranged on the base, a feeding system is arranged at the top of the support frame, a slide way is arranged on the inner side of the support frame, a feeding hole is formed in one side, located at one side of the feeding system, of the upper end of the slide way, a first sorting box and a second sorting box are symmetrically arranged on two sides of the lower portion of the slide way, a first camera and a second camera are respectively arranged in the first sorting box and the second sorting box, the first camera and the second camera are symmetrically arranged on two sides of the slide way, a discharging hole is formed in the lower end of the slide way, a blowing device is arranged below the discharging hole in the second sorting box, a good product channel is arranged at the lower end of the discharging hole, and a defective product channel is arranged on one side of the good product channel; the image processing device is installed on the first sorting box, the first camera and the second camera are both connected with the input end of the image processing device, and the air blowing device is connected with the output end of the image processing device.
Further, the blowing device comprises a high-speed spraying valve and an air flow nozzle, the air flow nozzle is connected with the high-speed spraying valve, and the high-speed spraying valve is connected with the output end of the image processing device.
Furthermore, an electric box is fixedly mounted on one side of the upper portion of the supporting frame.
Further, a touch display screen is arranged on one side of the first sorting box and connected with the image processing device, and the touch display screen is used for setting parameters and displaying the movement track of the grain particles.
Furthermore, the inclined included angle between the slide way and the horizontal direction is 60 degrees, and a plurality of chutes are arranged on the slide way; the number of the airflow nozzles corresponds to the number of the chutes.
Further, the first camera and the second camera are both 95 degrees away from the slide way.
Further, the feeding system comprises a tray arranged at the upper end of the supporting frame, a material collecting hopper is arranged above the tray, and a vibrator is arranged below the tray.
Further, the first sorting box and the second sorting box are both internally provided with illuminating devices, and each illuminating device comprises a foreground LED lamp and a background LED board.
Compared with the prior art, the beneficial effects of the utility model are as follows: the image acquisition device simultaneously and independently acquires and processes two paths of images through the image acquisition module, avoids the influence on the image quality caused by mutual interference between data, ensures the stability during image acquisition, and also can simultaneously detect the image quality when the first image acquisition unit and the second image acquisition unit simultaneously and independently acquire images, thereby improving the quality, the performance and the efficiency of image acquisition. In the grain color sorter, after grains enter the color sorter from a feeding system, a first camera and a second camera acquire grain raw material images in real time and transmit the grain raw material images to an image processing device, the image processing device performs comprehensive analysis and comparison on the received images, when the comparison result is a defective product, the image processing device outputs a signal for opening a high-speed spray valve, high-pressure gas is discharged from an airflow nozzle, the normal motion track of the defective product is changed, and the defective product enters a defective product channel; when the compared result is a good product, the image processing device does not output a control signal, so that the good product enters a good product channel according to a normal motion track; therefore, the color sorter improves the detection accuracy, reduces the manpower output, shortens the detection time and improves the efficiency.
Drawings
Fig. 1 is a schematic structural view of an image acquisition device of the present invention;
FIG. 2 is a schematic structural view of the grain color sorter of the present invention;
FIG. 3 is a schematic structural view of the blowing device of the present invention;
fig. 4 is a schematic diagram of the control principle structure of the present invention.
In the figure: 1. a base; 2. a support frame; 3. a collection hopper; 4. a vibrator; 5. a tray; 6. a slideway; 7. an electric box; 8. a first sorting bin; 9. a second sort bin; 10. a first camera; 11. a second camera; 12. a blowing device; 13. a high-speed spray valve; 14. an air flow nozzle; 15. a foreground LED lamp; 16. a background LED board; 17. a touch display screen; 18. a good product channel; 19. a defective product channel; 20. an image processing device; 21. a feed inlet; 22. and (4) a discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled person in the art under the first condition without creative work all belong to the protection scope of the present invention.
Example 1
The embodiment provides an image acquisition device, as shown in fig. 1, which includes an image acquisition module for obtaining image information of a moving object, where the moving object may be a moving granular grain crop, such as rice, wheat, barley, etc.; the illuminating device is arranged on one side/two sides of the moving object and is used for illuminating the moving object; the image processing device is connected with the image acquisition module through a Camera Link protocol interface, identifies an object according to the image information, calculates the area of the identified object, and performs statistical output on area data; the image acquisition module is a Dalsa Piranha44k camera with a line frequency of 100KHz, so that accurate image data can be acquired, and the measurement accuracy is improved.
Specifically, the image acquisition module includes first image acquisition unit and second image acquisition unit, first image acquisition unit and second image acquisition unit all include DALSA sensor and/or linear array camera, the linear array camera includes first camera and second camera, is Dalsa Piranha44k camera, and its line frequency is 100KHz, can ensure to obtain accurate image data from this, improves measurement accuracy, simultaneously through prospect, the two-way illumination of background LED lamp, ensures that the formation of image is clear accurate.
Specifically, the image processing device comprises a first image processing module, a second image processing module, a main control module and a communication module; the first image acquisition unit is connected with the first image processing module; the second image acquisition unit is connected with the second image processing module; the first image processing module, the second image processing module and the communication module are all connected with the main control module; the communication module is connected with external equipment, and transmits the acquired image to the external equipment for image quality detection. The first image acquisition unit and the second image acquisition unit respectively acquire image information of a moving object and respectively transmit the image information to the first image processing module and the second image processing module, the first image processing module and the second image processing module respectively carry out filtering processing on the image information so as to acquire effective image information after removing miscellaneous points and then transmit the effective image information to the main control module, and the main control module identifies particles according to the effective image information, calculates the area of the identified object, counts area data and uploads the area data to the upper computer through the communication module for monitoring and displaying.
Specifically, the first image processing module and the second image processing module can both adopt ZNYQ chips, extract object images according to a RunLength algorithm, identify connected domains to complete object identification, further calculate the area through the characteristic values of the identified objects, sort the area values to complete 5% extremum screening, and perform cumulative averaging on the effective area to obtain the average area of the objects and the number of the objects; the communication module can adopt a module capable of communicating on the market, preferentially adopts Ethernet to connect with an external terminal, such as a mobile phone, a computer and the like, and outputs and displays the grain particle size area data to the external terminal; the driving module is connected with the first camera, the second camera and/or the lighting device of the image acquisition module and is used for controlling the on/off of the driving module in a power on/off mode; and the DDR cache unit is connected with the ZNYQ chip and/or the image acquisition module and is used for caching the area data and/or the image information.
In addition, the image processing device takes the ZNYQ chip as a core, can realize high-speed image acquisition and image recognition algorithm, complete image algorithm result processing and communication functions, and ensure that all parts work synchronously so as to ensure real-time performance.
It should be noted that, among the above-mentioned image acquisition device, image processing device acquires image information to it carries out processing procedure such as filtering, object image extraction, object identification and area calculation and is not the invention point in this field, and it is prior art, the utility model discloses a do not make the improvement to above-mentioned algorithm, otherwise, the utility model discloses an innovation point lies in integrating the hardware among image acquisition module and the image processing device to and carry out reasonable overall arrangement to each hardware module, belong to the improvement to product structure, relation of connection.
The image acquisition device simultaneously and independently acquires and processes two paths of images through the image acquisition module, avoids the influence on the image quality caused by mutual interference between data, ensures the stability during image acquisition, and also can simultaneously detect the image quality when the first image acquisition unit and the second image acquisition unit simultaneously and independently acquire images, thereby improving the quality, the performance and the efficiency of image acquisition.
Example 2
As shown in fig. 2 to 4, this embodiment provides a grain color sorter including embodiment 1 image acquisition device, including base 1 and image processing apparatus 20, the fixed welding in top both sides of base 1 has support frame 2, the slope of support frame 2 sets up, the upper end fixedly connected with tray 5 of support frame 2, collecting hopper 3 is installed to tray 5's top, there is vibrator 4 below tray 5 through bolt fixed mounting, and the collecting hopper 3 that sets up is used for storing grain granule, and the grain of collecting hopper 3 passes through the vibration of vibrator 4 and the pay-off of tray 5, makes in grain granule can drop the slide 6 from feed inlet 21 one grain.
The inner side of the support frame 2 is fixedly provided with a slide 6 through bolts, the slide 6 is obliquely arranged, one side of the upper end of the slide 6, which is positioned on the tray 5, is provided with a feed inlet 21, the two sides of the lower part of the slide 6 are symmetrically provided with a first sorting box 8 and a second sorting box 9, the interiors of the first sorting box 8 and the second sorting box 9 are respectively and fixedly provided with a first camera 10 and a second camera 11, the first camera 10 and the second camera 11 are both connected with an image processing device 20, the interiors of the first sorting box 8 and the second sorting box 9 are both provided with a foreground LED lamp 15 and a background LED plate 16, the lower end of the slide 6 is provided with a discharge port 22, a blowing device 12 is arranged below the discharge port 22 in the second sorting box 9, the lower end of the discharge port 22 is provided with a good product channel 18, one side of the good product channel 18 is provided with a bad product channel 19, the gas flow nozzles 14 are provided with 64, each gas flow nozzle 14 being aimed at a chute, filled therein by high-pressure gas, and, once the first camera 10 and the second camera 11 find a foreign body, a blowing valve is performed, discharging the high-pressure gas, changing its normal motion trajectory, into another waste collection area, where it is critical that it is fast, accurate and strong, otherwise it results in blowing unclean or bringing out good material. The first sorting box 8 is provided with an image processing device 20, the first camera 10 and the second camera 11 are both connected with the input end of the image processing device 20, and the air blowing device is connected with the output end of the image processing device 20.
Specifically, gas blowing device 12 includes high-speed spout valve 13 and air current nozzle 14, install high-speed spout valve 13 on the air current nozzle 14, high-speed spout valve 13 is connected to image processing apparatus's output, one side fixed mounting on 2 upper portions of support frame has electrical cabinet 7, one side of first sorting box 8 is provided with touch display screen 17, and touch display screen 17 connects image processing apparatus for set up the parameter and show grain granule movement track, 6 horizontal included angles of slide are 60, be provided with 64 chutes on the slide 6, the length of slide 6 is 1000mm, and the width of slide 6 is 320mm, first camera 10 and second camera 11 are 95 with the contained angle of slide 6.
The utility model discloses the theory of operation: after grains enter the color sorter from the feeding system, the grain raw material images are collected in real time by the first camera and the second camera and transmitted to the image processing device, the image processing device comprehensively analyzes and compares the received images, when the compared result is a defective product, the image processing device outputs a signal for opening the high-speed spray valve, high-pressure gas is discharged from the airflow nozzle, the normal motion track of the defective product is changed, and the defective product enters a defective product channel; when the compared result is a good product, the image processing device does not output a control signal, so that the good product enters a good product channel according to a normal motion track; therefore, the color sorter improves the detection accuracy, reduces the manpower output, shortens the detection time and improves the efficiency.
Although the present invention has been described in detail with reference to the first embodiment, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made to the technical solutions of the first embodiment or to some technical features of the first embodiment, and all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. An image acquisition device is characterized by comprising an image acquisition module and an image processing device which are connected, wherein the image acquisition module comprises a first image acquisition unit and a second image acquisition unit; the image processing device comprises a first image processing module, a second image processing module, a main control module and a communication module; the first image acquisition unit is connected with the first image processing module; the second image acquisition unit is connected with the second image processing module; the first image processing module, the second image processing module and the communication module are all connected with the main control module; the communication module is connected with external equipment, and transmits the acquired image to the external equipment for image quality detection.
2. The image capturing device of claim 1, wherein the first and second image capturing units each comprise a DALSA sensor and/or a line camera, wherein the line camera comprises a first and second camera, each DALSA Piranha44k camera, at a line frequency of 100 KHz.
3. The image capturing device as claimed in claim 1, wherein the image processing device further comprises a driving module, and the image capturing module and the main control module are both connected to the driving module for controlling the image capturing module to be turned on or off.
4. The image capturing device of claim 3, wherein the image capturing module further comprises an illumination device, the illumination device being coupled to the driving module.
5. The grain color sorter comprising the image acquisition device of any one of claims 1 to 4, characterized by comprising a base (1), wherein a support frame (2) is obliquely arranged on the base (1), a feeding system is arranged at the top of the support frame (2), a slide (6) is arranged on the inner side of the support frame (2), a feeding port (21) is arranged at one side of the feeding system at the upper end of the slide (6), a first sorting box (8) and a second sorting box (9) are symmetrically arranged at two sides of the lower part of the slide (6), a first camera and a second camera are respectively arranged in the first sorting box (8) and the second sorting box (9), the first camera and the second camera are symmetrically arranged at two sides of the slide (6), a discharge port (22) is arranged at the lower end of the slide (6), and a blowing device (12) is arranged below the discharge port (22) in the second sorting box (9), a good product channel (18) is arranged at the lower end of the discharge hole (22), and a defective product channel (19) is arranged on one side of the good product channel (18); the image processing device (20) is installed on the first sorting box (8), the first camera and the second camera are both connected with the input end of the image processing device (20), and the blowing device is connected with the output end of the image processing device (20).
6. The grain color sorter according to claim 5, wherein the blowing device (12) comprises a high-speed spraying valve (13) and an air flow nozzle (14), the air flow nozzle (14) is connected with the high-speed spraying valve (13), and the high-speed spraying valve (13) is connected with the output end of the image processing device (20).
7. The grain color sorter according to claim 5, wherein a touch display screen (17) is arranged on one side of the first sorting box (8), and the touch display screen (17) is connected with the image processing device (20) and is used for setting parameters and displaying grain particle movement tracks.
8. The grain color sorter according to claim 6, wherein the inclined included angle of the chute (6) and the horizontal direction is 60 degrees, and a plurality of chutes are arranged on the chute (6); the number of the air flow nozzles (14) corresponds to the number of the chutes.
9. The grain color sorter according to claim 5, characterized in that the feeding system comprises a tray (5) arranged at the upper end of the support frame (2), a collecting hopper (3) is arranged above the tray (5), and a vibrator (4) is arranged below the tray (5).
10. The grain color sorter according to claim 5, characterized in that the first sorting bin (8) and the second sorting bin (9) are each internally provided with an illumination device comprising a foreground LED lamp (15) and a background LED panel (16).
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| CN201922485670.8U CN211707446U (en) | 2019-12-31 | 2019-12-31 | Image acquisition device and grain color sorter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222015A (en) * | 2020-10-23 | 2021-01-15 | 安徽理工大学 | Double-view-angle imaging raw coal gangue pre-discharging device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222015A (en) * | 2020-10-23 | 2021-01-15 | 安徽理工大学 | Double-view-angle imaging raw coal gangue pre-discharging device and method |
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