CN112547557A - Visual detection system and detection method for casting core shell - Google Patents
Visual detection system and detection method for casting core shell Download PDFInfo
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- CN112547557A CN112547557A CN202011314905.8A CN202011314905A CN112547557A CN 112547557 A CN112547557 A CN 112547557A CN 202011314905 A CN202011314905 A CN 202011314905A CN 112547557 A CN112547557 A CN 112547557A
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- casting core
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- 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
Abstract
The invention relates to a visual detection system and a detection method for a casting core shell, which comprises a camera, an image acquisition module, an image processing module, a computer, a detection output module, a picture acquisition module, a picture storage module, a light supplement module, a purging module and an ultrasonic module, wherein the image acquisition module is connected with the image processing module; the image acquisition module is respectively connected with the camera and the image processing module, and the computer is respectively connected with the image processing module, the detection output module, the picture capturing module, the light supplementing module and the blowing module. The detection of the casting core shell is efficient and rapid, detected foreign matters are removed, and the detection efficiency and the detection quality of the casting core shell are improved.
Description
Technical Field
The invention relates to the field of casting, in particular to a visual detection system and a detection method for a casting core shell.
Background
The cast response casting core shell needs to be detected to judge whether the cast response casting core shell meets the requirements of the next step, the detection of the appearance of the casting core shell is mainly carried out by visual observation through operators in the prior art, the efficiency is low, the detection efficiency is not high, and the detection quality is not stable.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the visual detection system and the detection method for the casting core shell are provided, and the problem that the detection efficiency of the casting core shell is low in the prior art is solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in a first aspect:
a visual inspection system for a casting core shell comprises
The device comprises a camera, an image acquisition module, an image processing module, a computer, a detection output module, a picture acquisition module, a picture storage module, a light supplement module, a purging module and an ultrasonic module;
the image acquisition module is respectively connected with the camera and the image processing module, and the computer is respectively connected with the image processing module, the detection output module, the picture acquisition module, the light supplement module and the blowing module;
the image acquisition module is connected with the image storage module, and the purging module is connected with the ultrasonic module;
the camera is suitable for shooting the casting core shell;
the image acquisition module is suitable for acquiring the casting core shell image information acquired by the camera;
the image processing module is suitable for processing the acquired image information of the casting core shell;
the computer is suitable for comparing and analyzing the adopted casting core shell image information;
the detection output module outputs a detection result, and when the casting core shell is detected to have foreign matters, the foreign matters are removed through the blowing module and the ultrasonic module;
the light supplementing module is suitable for supplementing light when foreign matters are removed.
Further, the image acquisition module comprises a photoelectric conversion unit, the photoelectric conversion unit comprises an array formed by a plurality of photoelectric sensing units, wherein each photoelectric sensing unit corresponds to one image area;
the photoelectric sensing unit includes: NMOS transistors T1-T1 and a capacitor C, wherein a gate of T1 is connected to clock signal CLK1, a source is connected to electrical signal IMG1 of the image at the previous moment, a drain is connected to a source of T1, a drain of T1 is connected to an output Sout, a gate of T1 is connected to clock signal CLK1, a source of T1 is connected to electrical signal IMG1 of the image at the current moment, a drain of T1 is connected to a drain of T1, one end of capacitor C and a source of T1, a gate of T1 is connected to CLK1 and a source of T1 and gates of T1 and T1, a drain of T1 is connected to ground, a gate of capacitor C, a gate of the power supply, a source of T1 is connected to VDD.
Further, the camera is an industrial camera.
In a second aspect:
a detection method of a casting core shell adopts the casting core shell visual detection system, and comprises the following steps:
the surface of the casting core shell is shot by a camera, image information is collected through an image collecting module, the collected image information is transmitted to an image processing module, the collected image information is processed through the image processing module, the processed image information is transmitted to a computer, the image capturing module captures picture information pre-stored in a picture memory and transmits the picture information to the computer, the computer compares and analyzes the pre-stored picture information with the collected casting core shell picture information, a detection result is output through a detection output module, and when an article needing to be detected is detected on the casting core shell, the computer controls a purging module and an ultrasonic module to screen or remove the article.
The invention has the beneficial effects that:
the visual detection system for the casting core shell can realize efficient and rapid detection of the casting core shell, remove detected foreign matters and improve the detection efficiency and the detection quality of the casting core shell.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a diagram of a visual inspection system for a casting core shell of the present invention;
fig. 2 is a circuit diagram of the photo-sensing unit.
Detailed Description
The invention will now be further described with reference to specific examples. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in FIG. 1, a visual inspection system for a casting core shell comprises
The device comprises a camera, an image acquisition module, an image processing module, a computer, a detection output module, a picture acquisition module, a picture storage module, a light supplement module, a purging module and an ultrasonic module;
the image acquisition module is respectively connected with the camera and the image processing module, and the computer is respectively connected with the image processing module, the detection output module, the picture acquisition module, the light supplement module and the blowing module;
the image acquisition module is connected with the image storage module, and the purging module is connected with the ultrasonic module;
the camera is suitable for shooting the casting core shell;
the image acquisition module is suitable for acquiring the casting core shell image information acquired by the camera;
the image processing module is suitable for processing the acquired image information of the casting core shell;
the computer is suitable for comparing and analyzing the adopted casting core shell image information;
the detection output module outputs a detection result, and when the casting core shell is detected to have foreign matters, the foreign matters are removed through the blowing module and the ultrasonic module;
the light supplementing module is suitable for supplementing light when foreign matters are removed.
Specifically, in this embodiment, the image capturing module includes a photoelectric conversion unit, and the photoelectric conversion unit includes an array formed by a plurality of photoelectric sensing units, where each photoelectric sensing unit corresponds to one image area;
as shown in fig. 2, the photoelectric sensing unit includes: NMOS transistors T1-T1 and a capacitor C, wherein a gate of T1 is connected to clock signal CLK1, a source is connected to electrical signal IMG1 of the image at the previous moment, a drain is connected to a source of T1, a drain of T1 is connected to an output Sout, a gate of T1 is connected to clock signal CLK1, a source of T1 is connected to electrical signal IMG1 of the image at the current moment, a drain of T1 is connected to a drain of T1, one end of capacitor C and a source of T1, a gate of T1 is connected to CLK1 and a source of T1 and gates of T1 and T1, a drain of T1 is connected to ground, a gate of capacitor C, a gate of the power supply, a source of T1 is connected to VDD.
The photoelectric sensing unit can reduce power consumption, filter and reduce noise, save the electric quantity of image acquisition and reduce power consumption.
In this embodiment, the camera is an industrial camera.
Example two
A method for detecting a casting core shell adopts the visual detection system of the casting core shell of the first embodiment, and comprises the following steps:
the surface of the casting core shell is shot by a camera, image information is collected through an image collecting module, the collected image information is transmitted to an image processing module, the collected image information is processed through the image processing module, the processed image information is transmitted to a computer, the image capturing module captures picture information pre-stored in a picture memory and transmits the picture information to the computer, the computer compares and analyzes the pre-stored picture information with the collected casting core shell picture information, a detection result is output through a detection output module, and when an article needing to be detected is detected on the casting core shell, the computer controls a purging module and an ultrasonic module to screen or remove the article.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A visual detection system for a casting core shell is characterized by comprising
The device comprises a camera, an image acquisition module, an image processing module, a computer, a detection output module, a picture acquisition module, a picture storage module, a light supplement module, a purging module and an ultrasonic module;
the image acquisition module is respectively connected with the camera and the image processing module, and the computer is respectively connected with the image processing module, the detection output module, the picture acquisition module, the light supplement module and the blowing module;
the image acquisition module is connected with the image storage module, and the purging module is connected with the ultrasonic module;
the camera is suitable for shooting the casting core shell;
the image acquisition module is suitable for acquiring the casting core shell image information acquired by the camera;
the image processing module is suitable for processing the acquired image information of the casting core shell;
the computer is suitable for comparing and analyzing the adopted casting core shell image information;
the detection output module outputs a detection result, and when the casting core shell is detected to have foreign matters, the foreign matters are removed through the blowing module and the ultrasonic module;
the light supplementing module is suitable for supplementing light when foreign matters are removed.
2. The visual inspection system of a casting core shell of claim 1,
the image acquisition module comprises a photoelectric conversion unit, the photoelectric conversion unit comprises an array formed by a plurality of photoelectric sensing units, and each photoelectric sensing unit corresponds to one image area;
the photoelectric sensing unit includes: NMOS transistors T1-T1 and a capacitor C, wherein a gate of T1 is connected to clock signal CLK1, a source is connected to electrical signal IMG1 of the image at the previous moment, a drain is connected to a source of T1, a drain of T1 is connected to an output Sout, a gate of T1 is connected to clock signal CLK1, a source of T1 is connected to electrical signal IMG1 of the image at the current moment, a drain of T1 is connected to a drain of T1, one end of capacitor C and a source of T1, a gate of T1 is connected to CLK1 and a source of T1 and gates of T1 and T1, a drain of T1 is connected to ground, a gate of capacitor C, a gate of the power supply, a source of T1 is connected to VDD.
3. The visual inspection system of a casting core shell of claim 1, wherein said camera is an industrial camera.
4. A method for inspecting a core shell of a casting, which comprises the following steps by using the visual inspection system for the core shell of the casting as claimed in any one of claims 1 to 3:
the surface of the casting core shell is shot by a camera, image information is collected through an image collecting module, the collected image information is transmitted to an image processing module, the collected image information is processed through the image processing module, the processed image information is transmitted to a computer, the image capturing module captures picture information pre-stored in a picture memory and transmits the picture information to the computer, the computer compares and analyzes the pre-stored picture information with the collected casting core shell picture information, a detection result is output through a detection output module, and when an article needing to be detected is detected on the casting core shell, the computer controls a purging module and an ultrasonic module to screen or remove the article.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011314905.8A CN112547557A (en) | 2020-11-21 | 2020-11-21 | Visual detection system and detection method for casting core shell |
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| CN202011314905.8A CN112547557A (en) | 2020-11-21 | 2020-11-21 | Visual detection system and detection method for casting core shell |
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| CN208162087U (en) * | 2018-01-19 | 2018-11-30 | 合肥纳格光电科技有限公司 | A kind of color selector with dedusting function |
| CN109870457A (en) * | 2019-02-14 | 2019-06-11 | 武汉武大卓越科技有限责任公司 | Track foreign matter detecting method and device |
| CN110246787A (en) * | 2019-06-27 | 2019-09-17 | 韩华新能源（启东）有限公司 | Cell piece surface foreign matter cleaning device |
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2020
- 2020-11-21 CN CN202011314905.8A patent/CN112547557A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472244A (en) * | 2015-12-08 | 2016-04-06 | 成都芯软科技发展有限公司 | Low-power consumption image acquisition module |
| CN208162087U (en) * | 2018-01-19 | 2018-11-30 | 合肥纳格光电科技有限公司 | A kind of color selector with dedusting function |
| CN108286938A (en) * | 2018-02-06 | 2018-07-17 | 陕西理工大学 | A kind of Machine Vision Inspecting System |
| CN108319046A (en) * | 2018-04-01 | 2018-07-24 | 苏州梅克兰检测服务有限公司 | A kind of liquid crystal display detection device |
| CN108355990A (en) * | 2018-05-22 | 2018-08-03 | 苏州模网科技有限公司 | A kind of Machine Vision Detection and screening plant |
| CN109870457A (en) * | 2019-02-14 | 2019-06-11 | 武汉武大卓越科技有限责任公司 | Track foreign matter detecting method and device |
| CN110246787A (en) * | 2019-06-27 | 2019-09-17 | 韩华新能源（启东）有限公司 | Cell piece surface foreign matter cleaning device |
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Application publication date: 20210326 |