CN114527072A - Steel plate defect detection system based on structured light scanning - Google Patents
Steel plate defect detection system based on structured light scanning Download PDFInfo
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- CN114527072A CN114527072A CN202210115200.6A CN202210115200A CN114527072A CN 114527072 A CN114527072 A CN 114527072A CN 202210115200 A CN202210115200 A CN 202210115200A CN 114527072 A CN114527072 A CN 114527072A
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- structured light
- transmission
- data acquisition
- camera
- steel plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 230000007547 defect Effects 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011162 core material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/8806—Specially adapted optical and illumination features
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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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
- G01N21/8901—Optical details; Scanning details
- G01N21/8903—Optical details; Scanning details using a multiple detector array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/10—Scanning
- G01N2201/102—Video camera
Abstract
The invention discloses a steel plate defect detection system based on structured light scanning, which comprises a monitoring system, a transmission system and a background system, wherein the monitoring system is composed of monitoring equipment, the monitoring equipment is a 3D structured light camera, a support and a data acquisition box, the transmission system is composed of transmission equipment, the transmission equipment is a transmission table, the background system is a control terminal, steel plates are sequentially placed on the transmission table, and the 3D structured light camera and the data acquisition box are fixed on the support through screws. This steel sheet defect detecting system mainly carries out the scanning of different positions and angle and cooperates the terminal host computer of backstage system to the processing of data through the steel sheet face of a plurality of 3D structure light cameras in to the data transfer process to accomplish the detection of steel sheet, this detection mode has realized the automation and the intellectuality that the steel sheet detected, when replacing artifical the detection, also effectual detection efficiency who improves the steel sheet.
Description
Technical Field
The invention relates to the technical field of steel plate detection, in particular to a steel plate defect detection system based on structured light scanning.
Background
The steel plate is a flat steel product which is cast by molten steel and pressed after cooling, is flat and rectangular, can be directly rolled or cut by a wide steel belt, is an important core material in numerous industries at present, and is also a casting mold material formed by steel pipes.
The steel plate is difficult to avoid the influence of a die or external factors in the manufacturing process, and the problem that the plate surface is flawed is solved, so that the plate surface of the steel plate needs to be detected after the steel plate is manufactured, the traditional mode is detection manually, and the problems of long time, low efficiency, incomplete detection and imprecise detection are inevitably caused by manual detection.
Disclosure of Invention
The invention aims to provide a steel plate defect detection system based on structured light scanning, which solves the problems that the steel plate defects proposed in the background technology are inevitably long in time, low in efficiency and incomplete and not fine in detection in a manual detection mode.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a steel sheet defect detecting system based on structured light scanning, includes monitored control system, transmission and backstage system, monitored control system comprises supervisory equipment, supervisory equipment is 3D structured light camera, support and data acquisition box, transmission comprises transmission, transmission is the transmission platform, the backstage system is control terminal, the steel sheet has been placed in proper order on the transmission platform, 3D structured light camera and data acquisition box all are through the screw fixation on the support, 3D structured light camera passes through the circuit and is connected with the data acquisition box, the data acquisition box passes through the circuit and is connected with control terminal.
As a preferred embodiment of the present invention, the 3D structured light camera includes a first camera and a second camera, and the fixed angles of the first camera and the second camera are different from each other.
As a preferred embodiment of the present invention, the bracket is a U-shaped bracket body, two sides of the bracket are provided with oblique frames, the 3D structured light camera is respectively fixed on the oblique frames at two sides of the bracket, and the data collection box is fixed on the bracket body at the top of the bracket.
As a preferred embodiment of the present invention, an information acquisition system is disposed inside the data acquisition box, and the information acquisition system includes a data acquisition unit and a data processing unit.
As a preferred embodiment of the present invention, a data analysis unit, a data comparison unit and an execution control unit are disposed in the control terminal of the background system.
Compared with the prior art, the invention has the beneficial effects that:
this steel sheet defect detecting system mainly carries out the scanning of different positions and angle and cooperates the terminal host computer of backstage system to the processing of data through the steel sheet face of a plurality of 3D structure light cameras in to the data transfer process to accomplish the detection of steel sheet, this detection mode has realized the automation and the intellectuality that the steel sheet detected, when replacing artifical the detection, also effectual detection efficiency who improves the steel sheet.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of the present invention;
FIG. 2 is a schematic diagram of the working principle of the present invention;
FIG. 3 is a control flow diagram of the present invention.
In the figure: the system comprises a 1-3D structured light camera, a 2-transmission table, a 3-bracket, a 4-data acquisition box and a 5-steel plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution:
a steel plate defect detection system based on structured light scanning comprises a monitoring system, a transmission system and a background system, wherein the monitoring system is composed of monitoring equipment, the monitoring equipment is a 3D structured light camera 1, a support 3 and a data acquisition box 4, the transmission system is composed of the transmission equipment, the transmission equipment is a transmission table 2, the background system is a control terminal, a steel plate 5 is sequentially placed on the transmission table 2, the 3D structured light camera 1 and the data acquisition box 4 are fixed on the support 3 through screws, the 3D structured light camera 1 is connected with the data acquisition box 4 through a circuit, the data acquisition box 4 is connected with the control terminal through a circuit, the steel plate defect detection system mainly adopts a 3D imaging technology, the steel plate in the transmission process is scanned at different positions by virtue of a plurality of 3D structured light cameras 1, the scanned point cloud data is transmitted to the data acquisition box 4 to carry out surveying and mapping on the point cloud data, Reorganize, and with data transmission to backstage system, through the data contrast of backstage system, thereby realize the judgement to the steel sheet defect, when appearing the defect on the steel sheet, backstage system can stop transmission system, and mark the defect steel sheet with the help of manual work or marking equipment (including laser marking equipment etc.), after the mark, backstage system can continue to start transmission system, and this system is effectual has realized steel sheet detection's automation and intellectuality, provides convenient for the detection of steel sheet.
The 3D structured light camera 1 comprises a first camera and a second camera, the fixed angles of the first camera and the second camera are different from each other, the double cameras can scan the plate surface of the steel plate at different angles and different positions, the comprehensiveness and accuracy of detection are ensured, the effect of integral scanning detection of the steel plate is achieved, and the selectable model of the 3D structured light camera is T1Q-pro.
The data acquisition box 4 is internally provided with an information acquisition system which comprises a data acquisition unit and a data processing unit, the data acquisition box 4 mainly realizes the acquisition of scanning information, processing, the main component in the data acquisition box 4 is a control mainboard, the control mainboard is a PCB integrated mainboard, the data acquisition unit and the data processing unit are respectively a data acquisition module and a data processing module and are welded on pins of the control mainboard in sequence in a fusion mode, the data processing module is connected with the output end of the data acquisition module through a circuit, the access end of the data processing module is in butt joint with a corresponding circuit interface on the control mainboard through a circuit, the circuit interface is connected with the 3D structured light camera 1 through an external circuit to achieve data transmission and achieve the purpose of acquisition and processing, and the selectable model of the PCB integrated mainboard is GAMX-2007-T or GAMX-2014H.
The control terminal of the background system is internally provided with a data analysis unit, a data comparison unit and an execution control unit, the core equipment of the control terminal of the background system is a terminal host, and the matching, judgment and execution control of the equipment of the data can be sequentially realized through a plurality of partition units of the processing system in the terminal host.
The monitoring and control process of the steel plate defect detection system is as follows:
s1, monitoring a steel plate: 3D structured light cameras at different positions on the bracket respectively scan different angles and positions of the steel plate surface in the transmission process;
s2, data acquisition: the point cloud data scanned by the 3D structured light camera is transmitted into the data acquisition box and is acquired by the data acquisition unit, the acquired data is mapped and recombined by the data processing unit, and the data is transmitted into a terminal host of the background system;
s3, data comparison: the terminal host receives the data to match with the original model data, if the data match, S4 is not executed, if the data have difference, the data generating difference will match with the data in the defect database, the corresponding defect will be displayed through the display device of the terminal host, and S4 is executed at the same time;
s4, executing control: the terminal host computer stops the transmission platform of the transmission system, and after the marking, the terminal host computer restarts the transmission platform due to the fact that the defect steel plate is marked manually or by related marking equipment.
In summary, the steel plate defect detection system mainly scans the steel plate surface in the transmission process through the 3D structure light cameras at different positions on two sides of the bracket, the 3D structure light cameras at different positions, the steel plate surface can be comprehensively scanned integrally, the steel plate detection accuracy is ensured, the detected data is collected by the data collecting box and transmitted to the background system for matching processing, the purpose of steel plate defect detection is achieved through data comparison, the background system stops the operation of the transmission system aiming at the steel plate with defects, the steel plate with defects is marked by manpower or marking equipment, compared with manual detection, although more intelligent equipment is adopted, the detection efficiency is effectively improved, the workload of manual detection is greatly reduced, automatic detection is realized, the steel plate production trend is realized, and meanwhile, the whole manufacturing process of the steel plate is shortened.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a steel sheet defect detecting system based on structured light scanning which characterized in that: including monitored control system, transmission system and backstage system, monitored control system comprises supervisory equipment, supervisory equipment is 3D structure optical camera (1), support (3) and data acquisition box (4), transmission system comprises transmission equipment, transmission equipment is transmission platform (2), the backstage system is control terminal, steel sheet (5) have been placed in proper order on transmission platform (2), 3D structure optical camera (1) and data acquisition box (4) all are through the screw fixation on support (3), 3D structure optical camera (1) is connected with data acquisition box (4) through the circuit, data acquisition box (4) are connected with control terminal through the circuit.
2. The steel plate defect detection system based on the structured light scanning as claimed in claim 1, wherein: the 3D structured light camera (1) comprises a first camera and a second camera, and the fixed angles of the first camera and the second camera are different.
3. The steel plate defect detection system based on the structured light scanning as claimed in claim 1, wherein: the support (3) is a U-shaped support body, oblique frames are arranged on two sides of the support (3), the 3D structured light camera (1) is fixed on the oblique frames on two sides of the support (3) respectively, and the data acquisition box (4) is fixed on the top support body of the support (3).
4. The steel plate defect detection system based on structured light scanning as claimed in claim 1, wherein: an information acquisition system is arranged in the data acquisition box (4), and the information acquisition system comprises a data acquisition unit and a data processing unit.
5. The steel plate defect detection system based on the structured light scanning as claimed in claim 1, wherein: and a data analysis unit, a data comparison unit and an execution control unit are arranged in the control terminal of the background system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210115200.6A CN114527072A (en) | 2022-02-05 | 2022-02-05 | Steel plate defect detection system based on structured light scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210115200.6A CN114527072A (en) | 2022-02-05 | 2022-02-05 | Steel plate defect detection system based on structured light scanning |
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| Publication Number | Publication Date |
|---|---|
| CN114527072A true CN114527072A (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210115200.6A Pending CN114527072A (en) | 2022-02-05 | 2022-02-05 | Steel plate defect detection system based on structured light scanning |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937367A (en) * | 2013-01-17 | 2015-09-23 | 赛博光学公司 | Multi-camera sensor for three-dimensional imaging of a circuit board |
| WO2017098071A1 (en) * | 2015-12-07 | 2017-06-15 | Universidad De Zaragoza | System and method for detecting defects in specular or semi-specular surfaces by means of photogrammetric projection |
| CN110618134A (en) * | 2019-09-16 | 2019-12-27 | 山西大数据产业发展有限公司 | Steel plate surface quality defect detection and rating system and method |
| CN111398172A (en) * | 2020-03-31 | 2020-07-10 | 深圳康佳电子科技有限公司 | 3D visual detection equipment and method |
| CN212110601U (en) * | 2020-07-03 | 2020-12-08 | 河南万国科技股份有限公司 | Tire monitoring device based on colored three-color complementary coding stripe laser projection |
| CN214749833U (en) * | 2021-04-30 | 2021-11-16 | 武汉科技大学 | Multipurpose steel sheet surface defect testing platform |
| CN113916900A (en) * | 2020-07-10 | 2022-01-11 | 上海金艺检测技术有限公司 | Online image detection system for surface defects of steel plate |
-
2022
- 2022-02-05 CN CN202210115200.6A patent/CN114527072A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937367A (en) * | 2013-01-17 | 2015-09-23 | 赛博光学公司 | Multi-camera sensor for three-dimensional imaging of a circuit board |
| WO2017098071A1 (en) * | 2015-12-07 | 2017-06-15 | Universidad De Zaragoza | System and method for detecting defects in specular or semi-specular surfaces by means of photogrammetric projection |
| CN110618134A (en) * | 2019-09-16 | 2019-12-27 | 山西大数据产业发展有限公司 | Steel plate surface quality defect detection and rating system and method |
| CN111398172A (en) * | 2020-03-31 | 2020-07-10 | 深圳康佳电子科技有限公司 | 3D visual detection equipment and method |
| CN212110601U (en) * | 2020-07-03 | 2020-12-08 | 河南万国科技股份有限公司 | Tire monitoring device based on colored three-color complementary coding stripe laser projection |
| CN113916900A (en) * | 2020-07-10 | 2022-01-11 | 上海金艺检测技术有限公司 | Online image detection system for surface defects of steel plate |
| CN214749833U (en) * | 2021-04-30 | 2021-11-16 | 武汉科技大学 | Multipurpose steel sheet surface defect testing platform |
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Application publication date: 20220524 |