CN114480830A - Redundancy control method for vertical loop of cold rolling continuous annealing line - Google Patents
Redundancy control method for vertical loop of cold rolling continuous annealing line Download PDFInfo
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- CN114480830A CN114480830A CN202210128137.XA CN202210128137A CN114480830A CN 114480830 A CN114480830 A CN 114480830A CN 202210128137 A CN202210128137 A CN 202210128137A CN 114480830 A CN114480830 A CN 114480830A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000000137 annealing Methods 0.000 title claims abstract description 12
- 238000005097 cold rolling Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
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- Chemical & Material Sciences (AREA)
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a cold rolling continuous annealing line vertical loop redundancy control method, which comprises the following steps: a first laser position detector and a second laser position detector are arranged at the top of the looping car, so that the position of one looping car is simultaneously measured by the first laser position detector and the second laser position detector; signals of the first laser position detector and the second laser position detector are transmitted to the APC controller through the HUB5+ relay respectively, and the APC controller is communicated with the IBA and the HMI human-computer interface; the first laser position detector and the second laser position detector are provided with automatic modes, if the first laser position detector and the second laser position detector run normally, the first laser position detector and the second laser position detector participate in the detection of the position of the loop car at the same time, if one of the first laser position detector and the second laser position detector fails, the system can automatically select the other laser position detector as the working laser position detector, and if the first laser position detector and the second laser position detector fail at the same time, the loop generates a quick stop signal.
Description
Technical Field
The invention belongs to the technical field of cold rolling processes, and particularly relates to a redundancy control method for a vertical loop of a cold rolling continuous annealing line.
Background
At present, a laser position detector is generally adopted as a position detection device for a vertical loop of a continuous annealing line in a cold rolling plant, namely, a laser position detector is installed on each loop car, as shown in fig. 1. And closed-loop control is performed in a program through a feedback numerical value of the laser position detector, so that a winch and a bottom roller motor are controlled, and accurate control of the sleeve amount is realized. When the laser position detector breaks down or is not detected accurately, the control of the car sleeving can be in a problem, so that the process section of the furnace area is stopped quickly, the band steel in the annealing furnace is caused to float, bend or even deviate, the yield and the product quality of a unit are seriously influenced, and the loss is serious.
Disclosure of Invention
The invention aims to provide a redundancy control method for a vertical loop of a cold rolling continuous annealing line.
The technical scheme adopted by the invention for solving the technical problems is as follows: a cold rolling continuous annealing line vertical loop redundancy control method comprises the following steps:
1) a first laser position detector and a second laser position detector are arranged at the top of the looping car, so that the position of one looping car is simultaneously measured by the first laser position detector and the second laser position detector;
2) signals of the first laser position detector and the second laser position detector are transmitted to the APC controller through the HUB5+ relay respectively, and the APC controller is communicated with the IBA and the HMI human-computer interface;
3) the first laser position detector and the second laser position detector are provided with a manual mode and an automatic mode;
4) in an automatic mode, if the first laser position detector and the second laser position detector both run normally, the first laser position detector and the second laser position detector participate in the detection of the position of the looping car at the same time, if one laser position detector fails, the system can automatically select the other laser position detector as a working laser position detector, only one laser position detector participates in the position detection of the looping car, and the alarming information of the failed laser position detector appears on the HMI, so that the looping car keeps a running state and does not stop quickly; if the first laser position detector and the second laser position detector simultaneously break down, the loop generates a quick stop signal.
Specifically, the manual mode is that the loop tension control is in a stop state, and manual switching is not allowed when the loop runs.
The invention has the following beneficial effects: the shutdown of the unit caused by the abnormal detection of the position of the loop can be reduced, the online maintenance of the equipment can be realized, the online monitoring and trace management of the equipment fault can be realized, and multiple purposes are realized.
Drawings
Fig. 1 is a schematic structural diagram of the prior art.
FIG. 2 is a schematic view of the present invention.
Fig. 3 is a control schematic of the present invention.
In the figure: 1-a first laser position detector; 2-a second laser position detector; 3-a first laser position detector reflector; 4-a second laser position detector reflector; 5-centering equipment; 6-looping winding engine; 7-laser position detector; 8-laser position detector reflector.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
As shown in figures 1-3, a cold rolling continuous annealing line vertical loop redundancy control method is characterized in that laser position detectors of the same model are additionally arranged on loop car equipment of figure 1, the position of one loop car is measured by two laser position detectors simultaneously, two groups of signals are transmitted to an APC controller through a newly-added HUB5+ relay, and the APC controller is communicated with an IBA and an HMI human-machine interface.
Through a WINNCC interface, two switching modes are realized: manual mode and automatic mode.
Manual mode switching conditions: the loop tension control is in a stop (OFF) state, manual switching is not allowed when the loop is running, and a laser position detector selection button on the HMI is gray.
Automatic mode switching conditions: without limitation, the loop operation can also realize automatic switching.
When one looping car is provided with two laser position detectors, namely a first laser position detector 1 and a second laser position detector 2, if the first laser position detector 1 and the second laser position detector 2 have no fault, the first laser position detector 1 and the second laser position detector 2 simultaneously participate in the detection of the looping car position, and the first laser position detector 1 and the second laser position detector 2 are simultaneously selected;
if the first laser position detector 1 breaks down, the system can automatically select the second laser position detector 2 as a working laser position detector, only the second laser position detector 2 participates in the position detection of the loop car, the alarm information of the first laser position detector 1 appears on the HMI, the loop keeps the running state, and quick stop cannot occur;
if the second laser position detector 2 breaks down, the system can automatically select the first laser position detector 1 as a working laser position detector, only the first laser position detector 1 participates in the position detection of the looping car, the alarm information of the second laser position detector 2 appears on the HMI, the looping keeps the running state, and quick stop cannot occur;
if the first laser position detector 1 and the second laser position detector 2 simultaneously break down, the loop generates a quick stop signal.
The HMI interface realizes the selection buttons of the laser position detector, and the selection buttons are distributed in the pop-up windows of the corresponding loops. Button definition:
select laser 1: detector 1 for selecting first laser position
Select laser 2: detector 2 for selecting second laser position
Selectoth lasers: selecting a first laser position detector 1 and a second laser position detector 2
When the first laser position detector or the second laser position detector breaks down, red flicker or red constant brightness can occur on a button on a corresponding HMI interface, and meanwhile, corresponding alarm information can occur in an HMI alarm information list, so that trace management of the fault is realized.
"select laser 1", "select laser 2", and "select booth lasers", when "select laser 1" is activated, select laser1 button turns green, and loop position is controlled using laser1 feedback values; when "select laser 2" is activated, select laser2 button turns green and the loop position is controlled using laser2 feedback value; when "select booth lasers" is activated, the select booth lasers button turns green and the loop position is controlled using both laser1 and laser2 feedback values.
On the basis of position detection and control of an original vertical loop on a continuous annealing line, a novel redundant detection and control technology is developed and applied, and the defects that long-time shutdown, belt breakage and deviation are caused by the fact that a vertical loop position detection fault and a profibus-dp network station is out of service in the existing cold rolling production process, and a large amount of manpower and material resources are consumed are overcome.
The functions of automatic commissioning after the position detection fault of the loop is reset, trace management of alarm information on the HMI interface, manual/automatic mode switching control of the HMI interface and the like are realized, the equipment fault rate is greatly reduced, and the reliable operation of the unit is ensured.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (2)
1. A cold rolling continuous annealing line vertical loop redundancy control method is characterized by comprising the following steps:
1) a first laser position detector and a second laser position detector are arranged at the top of the looping car, so that the position of one looping car is simultaneously measured by the first laser position detector and the second laser position detector;
2) signals of the first laser position detector and the second laser position detector are transmitted to the APC controller through the HUB5+ relay respectively, and the APC controller is communicated with the IBA and the HMI human-computer interface;
3) the first laser position detector and the second laser position detector are provided with a manual mode and an automatic mode;
4) in an automatic mode, if the first laser position detector and the second laser position detector both run normally, the first laser position detector and the second laser position detector participate in the detection of the position of the looping car at the same time, if one laser position detector fails, the system can automatically select the other laser position detector as a working laser position detector, only one laser position detector participates in the position detection of the looping car, and the alarming information of the failed laser position detector appears on the HMI, so that the looping car keeps a running state and does not stop quickly; if the first laser position detector and the second laser position detector simultaneously break down, the loop generates a quick stop signal.
2. The vertical loop redundancy control method of the cold rolling continuous annealing line according to claim 1, wherein the manual mode is that the loop tension control is in a stop state, and the manual switching is not allowed when the loop runs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128137.XA CN114480830A (en) | 2022-02-11 | 2022-02-11 | Redundancy control method for vertical loop of cold rolling continuous annealing line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128137.XA CN114480830A (en) | 2022-02-11 | 2022-02-11 | Redundancy control method for vertical loop of cold rolling continuous annealing line |
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| CN114480830A true CN114480830A (en) | 2022-05-13 |
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| CN202210128137.XA Pending CN114480830A (en) | 2022-02-11 | 2022-02-11 | Redundancy control method for vertical loop of cold rolling continuous annealing line |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2283941A1 (en) * | 2009-08-12 | 2011-02-16 | Siemens Aktiengesellschaft | Method for controlling and/or regulating a loop lifter surrounded by a mill train, control and/or regulating device for a mill train and mill train |
| CN102139358A (en) * | 2010-01-29 | 2011-08-03 | 宝山钢铁股份有限公司 | Method for detecting and controlling free loops by thin-strip continuous casting |
| CN202321749U (en) * | 2011-11-14 | 2012-07-11 | 武汉钢铁(集团)公司 | Automatic control device for strip tension in coaxial reeling |
| CN102679719A (en) * | 2011-03-07 | 2012-09-19 | 宁波宝新不锈钢有限公司 | Online automatic detection device for strip steel loop decoupling and detection method thereof |
| CN104269076A (en) * | 2014-10-21 | 2015-01-07 | 南通贝斯特船舶与海洋工程设计有限公司 | Redundancy control system in ship collision-preventing early warning system |
| CN206168973U (en) * | 2016-10-11 | 2017-05-17 | 北京首钢股份有限公司 | Loop off tracking detection device |
| CN207479201U (en) * | 2017-06-18 | 2018-06-12 | 北京首钢自动化信息技术有限公司 | A kind of milling train kink pressure detecting redundant apparatus |
| CN112782967A (en) * | 2021-01-05 | 2021-05-11 | 广东合一新材料研究院有限公司 | Redundancy control method and device for spraying liquid cooling system |
-
2022
- 2022-02-11 CN CN202210128137.XA patent/CN114480830A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2283941A1 (en) * | 2009-08-12 | 2011-02-16 | Siemens Aktiengesellschaft | Method for controlling and/or regulating a loop lifter surrounded by a mill train, control and/or regulating device for a mill train and mill train |
| CN102139358A (en) * | 2010-01-29 | 2011-08-03 | 宝山钢铁股份有限公司 | Method for detecting and controlling free loops by thin-strip continuous casting |
| CN102679719A (en) * | 2011-03-07 | 2012-09-19 | 宁波宝新不锈钢有限公司 | Online automatic detection device for strip steel loop decoupling and detection method thereof |
| CN202321749U (en) * | 2011-11-14 | 2012-07-11 | 武汉钢铁(集团)公司 | Automatic control device for strip tension in coaxial reeling |
| CN104269076A (en) * | 2014-10-21 | 2015-01-07 | 南通贝斯特船舶与海洋工程设计有限公司 | Redundancy control system in ship collision-preventing early warning system |
| CN206168973U (en) * | 2016-10-11 | 2017-05-17 | 北京首钢股份有限公司 | Loop off tracking detection device |
| CN207479201U (en) * | 2017-06-18 | 2018-06-12 | 北京首钢自动化信息技术有限公司 | A kind of milling train kink pressure detecting redundant apparatus |
| CN112782967A (en) * | 2021-01-05 | 2021-05-11 | 广东合一新材料研究院有限公司 | Redundancy control method and device for spraying liquid cooling system |
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