CN114522987A - Loop deviation measuring system based on machine vision - Google Patents
Loop deviation measuring system based on machine vision Download PDFInfo
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- CN114522987A CN114522987A CN202210115082.9A CN202210115082A CN114522987A CN 114522987 A CN114522987 A CN 114522987A CN 202210115082 A CN202210115082 A CN 202210115082A CN 114522987 A CN114522987 A CN 114522987A
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- camera
- loop
- data acquisition
- cold rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a loop deviation measuring system based on machine vision, which comprises a detecting device, a cold rolling unit, a background terminal and a warning device, wherein the detecting device comprises an industrial camera and a data acquisition box, the industrial camera comprises a first camera and a second camera, the first camera and the second camera are respectively fixed at the top end and the transmitting end of the cold rolling unit, a loop is sequentially connected in the cold rolling unit, strip steel is arranged on the loop, the first camera and the second camera are respectively connected with the corresponding data acquisition box, the data acquisition box is connected with the background terminal through an external connection wire, and the background terminal is respectively connected with the warning device and the control end of the cold rolling unit through the external connection wire. The loop deviation measuring system can effectively realize the functionalization and the intellectualization of loop deviation detection, and solves the problems of large workload and limitation of monitoring caused by traditional manual monitoring.
Description
Technical Field
The invention relates to the technical field of loop deviation detection of cold rolling units, in particular to a loop deviation measuring system based on machine vision.
Background
In order to maintain balance of material flow among the frames and keep constant tension of strip, a loop is arranged among the frames of a finishing mill group of a strip mill and can be divided into a pneumatic loop, an electric loop and a hydraulic loop due to different power mechanisms, and the loop can be used as an actuating mechanism to control constant small tension of strip steel so as to avoid the phenomena of steel drawing and steel stacking and reduce coupling and mutual interference between the frames and between functions caused by the change of the tension of the strip steel as far as possible.
The loop assembly of the strip steel cold rolling mill is influenced by factors such as abrasion and thermal effect in the long-term transmission process, so that the phenomenon of deviation is difficult to avoid, when the loop drives the strip steel to deviate, the situation that the strip steel collides with an edge base body of the cold rolling mill can be caused seriously, at present, no specific detection equipment is provided for the deviation of the loop, the deviation of the loop is mainly monitored manually, the workload of manual monitoring is large, the transmission condition of the strip steel in a cold rolling mill unit cannot be monitored, and the monitoring limitation is caused.
Disclosure of Invention
The invention aims to provide a loop deviation measuring system based on machine vision, and aims to solve the problems of large workload and limitation of monitoring caused by a manual monitoring mode aiming at the phenomenon of loop deviation in a cold rolling unit in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a loop off tracking measurement system based on machine vision, includes check out test set, cold rolling mill group, backstage terminal and warning equipment, check out test set includes industry camera and data acquisition box, the industry camera includes first camera and second camera, first camera and second camera are fixed in the top and the conveying end of cold rolling mill group respectively, the loop has been linked up in proper order in the cold rolling mill group, be equipped with belted steel on the loop, first camera and second camera are connected with the data acquisition box that corresponds respectively, the data acquisition box passes through the external tapping and is connected with backstage terminal, backstage terminal is connected with the control end of warning equipment and cold rolling mill group respectively through the external tapping.
As a preferred embodiment of the present invention, the first camera and the second camera are both 3D structured light cameras, and the shooting positions of the first camera and the second camera are both correspondingly consistent with the loop position.
As a preferred embodiment of the present invention, the warning device is a buzzer, and the buzzer is connected to the audio output interface of the background terminal through an audio line.
As a preferred embodiment of the present invention, a data acquisition system is disposed inside the data acquisition box, and the data processing system includes a data acquisition unit, a data processing unit, and a data uploading unit.
As a preferred embodiment of the present invention, a processing control system is disposed inside the backend terminal, and the processing control system includes a data determination unit and an equipment control unit.
Compared with the prior art, the invention has the beneficial effects that:
this loop off tracking measurement system, the main 3D optical camera through different positions carries out the detection of margin distance and centre offset to the different angles of loop, it is right to carry out data acquisition and upload to backstage terminal and carry out the matching of data by the data acquisition case, through the right mode of data matching, thereby the realization is to the measurement of loop off tracking, this mode, can effectively realize the functionalization and the intellectuality that the loop off tracking detected, traditional manual monitoring has been solved, cause the problem of the restriction that work load is big and monitoring.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of the apparatus of the present invention;
FIG. 2 is a schematic diagram of the operation of the present invention;
fig. 3 is a measurement flow chart of the present invention.
In the figure: 1-industrial camera, 2-data acquisition box, 3-cold rolling unit, 4-loop and 5-strip steel.
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 loop off tracking measuring system based on machine vision comprises a detecting device, a cold rolling unit, a background terminal and a warning device, wherein the detecting device comprises an industrial camera 1 and a data acquisition box 2, the industrial camera 1 comprises a first camera and a second camera, the first camera and the second camera are respectively fixed at the top end and the conveying end of the cold rolling unit, a loop 4 is sequentially connected in the cold rolling unit, a strip steel 5 is arranged on the loop 4, the first camera and the second camera are respectively connected with the corresponding data acquisition box 2, the data acquisition box 2 is connected with the background terminal through an external connection line, the background terminal is respectively connected with the warning device and the control end of the cold rolling unit through the external connection line, the loop off tracking measuring system mainly detects the edge distance and the center off distance of the loop 4 on the cold rolling unit 3 through a 3D optical camera, acquired data are uploaded to the background terminal in real time, and are matched through the background terminal, therefore, the loop deviation can be measured, and the loop deviation can be automatically and functionally detected in the mode.
First camera and second camera are 3D structure light camera, the shooting position of first camera and second camera all corresponds unanimously with loop 4 position, 3D structure light camera, it is high to shoot the definition, support multiple shooting mode and scanning mode simultaneously, carry out the detection of margin distance and central offset distance to two positions of the top of loop 4 and transmission end respectively through first camera and second camera to reach the effect that detects comprehensively, the optional model of 3D structure light camera is T1Q-pro.
The warning equipment is bee calling organ, bee calling organ passes through the audio output interface connection at audio line and backstage terminal, warning equipment mainly gives relevant staff through bee calling organ and reminds, when the off tracking appears in loop 4, backstage terminal can start bee calling organ and give the warning, to some cold rolling unit 3 that are equipped with the equipment of rectifying, backstage terminal can be directly be connected with the equipment of rectifying, can directly adjust the position of loop 4 through the equipment of rectifying, reach automated inspection and the purpose of rectifying.
The data acquisition box 2 is internally provided with a data acquisition system, the data processing system comprises a data acquisition unit, a data processing unit and a data uploading unit, the data acquisition box 2 mainly realizes acquisition, processing and uploading of the detection data of the industrial camera, and the data acquisition unit (receiving the data), the data processing unit (integrating and recombining the acquired data) and the data uploading unit (uploading the processed data) sequentially pass through the data processing system to realize the acquisition, processing and uploading.
The background terminal is internally provided with a processing control system, the processing control system comprises a data judgment unit and an equipment control unit, the background terminal is mainly completed through the processing control system and sequentially executed through the data judgment unit and the equipment control unit, the data judgment unit can match uploaded data with a set threshold value, the detection purpose is achieved through a matching mode, the equipment control unit determines whether to execute the steps through the judgment result of the data judgment unit, and the start and stop of the warning equipment and the cold rolling unit can be effectively controlled through the equipment control unit.
The measuring process of the loop deviation measuring system is as follows:
s1, image shooting: respectively detecting edge distances and center offset distances of different positions of a loop on a cold rolling unit by using industrial cameras (a first camera and a second camera);
s2, data acquisition: the detected data are transmitted into a data acquisition box, data acquisition is carried out by a data acquisition unit of a data acquisition system, integration and recombination are carried out by a data processing unit, and finally the data are uploaded to a background terminal by a data uploading unit;
s3, data judgment: after the background terminal receives the data, matching the received data with a threshold value set in a processing control system, if the data is in the threshold value range, indicating that the loop operates normally, and the phenomenon of deviation does not occur, not executing S4, and if the data is not in the threshold value range, indicating that the loop deviates, executing S4;
s4, equipment control: the background terminal gives a warning to the buzzer for starting the warning device, the background terminal closes the cold rolling unit, and for the cold rolling unit provided with the deviation correcting device, the background terminal can start the deviation correcting device to correct the deviation of the loop.
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 loop off tracking measurement system based on machine vision which characterized in that: including check out test set, cold rolling mill group, backstage terminal and warning device, check out test set includes industry camera (1) and data acquisition box (2), industry camera (1) includes first camera and second camera, first camera and second camera are fixed in the top and the conveying end of cold rolling mill group respectively, it has looper (4) to link up in proper order in the cold rolling mill group, be equipped with belted steel (5) on looper (4), first camera and second camera are connected with data acquisition box (2) that correspond respectively, data acquisition box (2) are connected with backstage terminal through the external tapping, backstage terminal is connected with the control end of warning device and cold rolling mill group respectively through the external tapping.
2. The loop deviation measuring system based on machine vision as claimed in claim 1, wherein: the first camera and the second camera are both 3D structured light cameras, and the shooting positions of the first camera and the second camera are correspondingly consistent with the position of the loop (4).
3. The loop deviation measuring system based on machine vision as claimed in claim 1, wherein: the warning equipment is a buzzer, and the buzzer is connected with the audio output interface of the background terminal through an audio line.
4. The loop deviation measuring system based on machine vision as claimed in claim 1, wherein: the data acquisition box (2) is internally provided with a data acquisition system, and the data processing system comprises a data acquisition unit, a data processing unit and a data uploading unit.
5. The loop deviation measuring system based on machine vision as claimed in claim 1, wherein: and a processing control system is arranged in the background terminal and comprises a data judgment unit and an equipment control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210115082.9A CN114522987A (en) | 2022-02-02 | 2022-02-02 | Loop deviation measuring system based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210115082.9A CN114522987A (en) | 2022-02-02 | 2022-02-02 | Loop deviation measuring system based on machine vision |
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| CN114522987A true CN114522987A (en) | 2022-05-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2163723A1 (en) * | 1994-11-25 | 1996-05-26 | Hiroyuki Imanari | Looper Control System for a Rolling Mill |
| CN103920720A (en) * | 2013-01-14 | 2014-07-16 | 宝山钢铁股份有限公司 | Strip steel tension dynamic control method based on loop quantity deviation and control system using strip steel tension dynamic control method |
| CN204396482U (en) * | 2014-12-28 | 2015-06-17 | 鞍钢冷轧钢板（莆田）有限公司 | A kind of company moves back entry loop anti-deviation device |
| CN110849893A (en) * | 2019-12-10 | 2020-02-28 | 江苏大力神科技股份有限公司 | Online monitoring device for uncoiling section of galvanizing production line |
| KR20200036428A (en) * | 2018-09-28 | 2020-04-07 | 주식회사 포스코 | System for Correcting Strip Bias of Cold-Rolled Looper |
| CN112139259A (en) * | 2019-06-28 | 2020-12-29 | 宝山钢铁股份有限公司 | Automatic deviation rectifying control method for finish rolling strip steel |
-
2022
- 2022-02-02 CN CN202210115082.9A patent/CN114522987A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2163723A1 (en) * | 1994-11-25 | 1996-05-26 | Hiroyuki Imanari | Looper Control System for a Rolling Mill |
| CN103920720A (en) * | 2013-01-14 | 2014-07-16 | 宝山钢铁股份有限公司 | Strip steel tension dynamic control method based on loop quantity deviation and control system using strip steel tension dynamic control method |
| CN204396482U (en) * | 2014-12-28 | 2015-06-17 | 鞍钢冷轧钢板（莆田）有限公司 | A kind of company moves back entry loop anti-deviation device |
| KR20200036428A (en) * | 2018-09-28 | 2020-04-07 | 주식회사 포스코 | System for Correcting Strip Bias of Cold-Rolled Looper |
| CN112139259A (en) * | 2019-06-28 | 2020-12-29 | 宝山钢铁股份有限公司 | Automatic deviation rectifying control method for finish rolling strip steel |
| CN110849893A (en) * | 2019-12-10 | 2020-02-28 | 江苏大力神科技股份有限公司 | Online monitoring device for uncoiling section of galvanizing production line |
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