CN101058846B - Method of determining position information of high-temperature ring annealing furnace steel coil - Google Patents
Method of determining position information of high-temperature ring annealing furnace steel coil Download PDFInfo
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- CN101058846B CN101058846B CN2007100524331A CN200710052433A CN101058846B CN 101058846 B CN101058846 B CN 101058846B CN 2007100524331 A CN2007100524331 A CN 2007100524331A CN 200710052433 A CN200710052433 A CN 200710052433A CN 101058846 B CN101058846 B CN 101058846B
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- positional information
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- strip
- annealing furnace
- position information
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Abstract
The invention discloses a position information defining method of a high ring annealing furnace, which comprises the following steps: (1) collecting the position information detected by not less than two position detecting equipments; (2) comparing the consistency of the detected metallic position information, if the consistency, executing the step 3; if not, executing the step 4; (3) displaying the correct sign of detected the consistent position information; (4)displaying the fault sign of detected the inconsistent position. The invention applies a plurality of position detected methods in order to trace the metallic physical position, which adds dependability and accuracy of the metallic position trace.
Description
Technical field
The present invention relates to a kind of positional information and determine method, relate in particular to a kind of method that high-temperature ring annealing furnace is determined positional information that is used for, belong to automation field.
Background technology
High-temperature ring annealing furnace is to have concentrated mechanical means, operating device and be in communication in complex system all over the body.The instrument watch-keeping cubicle of high-temperature ring annealing furnace comprises: PLC or DCS system.In high-temperature ring annealing furnace production control process, siege moves and causes moving of coil of strip position, the therefore position that needs to follow the tracks of coil of strip in control.And the position of at present following the tracks of coil of strip for high-temperature ring annealing furnace does not also propose a plan.
Summary of the invention
The objective of the invention is in order to provide a kind of coil of strip positional information to determine method, the positional information of the coil of strip that detects by more at least two positional information proofing units, make obtain more accurately, coil of strip positional information reliably.
In order to achieve the above object, the invention provides a kind of positional information that is used for high-temperature ring annealing furnace and determine method, comprising:
Step 2, whether the positional information of more described detected coil of strip is consistent, if consistent, then carries out
Step 3, otherwise performing step 4;
Step 3 shows that the consistent location information that collects is correct sign;
Step 4 shows that the inconsistent positional information that collects is a fault sign.
The testing process of wherein said positional information proofing unit is: adopt grating technology to measure the angle that described coil of strip moves, obtain described positional information.
Wherein said positional information testing process is: adopt coding cable to measure the distance acquisition positional information of described coil of strip for certain point.
Therefore, the present invention has for example adopted multiple method for detecting position: the method that relative position detects and absolute position detection combines is followed the tracks of the physical location of coil of strip.Like this, for redundant each other on the position control of measuring coil of strip, thus the reliability and the precision of increase high-temperature ring annealing furnace system coil of strip location tracking.
Description of drawings
The positional information that Fig. 1 is used for high-temperature ring annealing furnace for the present invention is determined the schema of method.
Fig. 2 detects synoptic diagram for relative position of the present invention.
Fig. 3 is an absolute position detection synoptic diagram of the present invention.
Embodiment
Referring to shown in Figure 1, the positional information that is used for high-temperature ring annealing furnace for the present invention is determined the schema of method, comprising:
Wherein, the positional information proofing unit is arranged on the high-temperature ring annealing furnace, various positional information proofing unit can be set, in this example, can two kinds of positional information proofing units on high-temperature ring annealing furnace, a kind of is the relative position proofing unit, promptly adopts grating technology to measure the angle that described coil of strip moves, and obtain described positional information: coil of strip is corresponding to the physical location of stove section.Another is the absolute position detection device, promptly adopts coding cable to measure described coil of strip and obtains the physical location of coil of strip corresponding to the stove section for the distance of certain point.Whether the coil of strip that the positional information of the coil of strip that detects by these position detecting devices relatively promptly records for twice is consistent corresponding to the physical location of stove section, thereby guarantees the detected positional information of Controlling System accurately and reliably.
For the coil of strip position detection, in the ring furnace The whole control system, finish like this:
What the relative position proofing unit was selected for use is photoelectric encoder, and what the absolute position detection device was selected for use is coding cable, can also select other position-detection sensor etc.The angle [alpha] that adopts grating technology photoelectric encoder commercial measurement coil of strip to move, as shown in Figure 2, photoelectric encoder is arranged on the center of high-temperature ring annealing furnace, the grating sensing transducing unit scans, calculate the displacement that coil of strip moves with this, thereby obtain the physical location of coil of strip corresponding to the stove section.This employing photoelectric encoder commercial measurement coil of strip is a conventional art corresponding to the physical location of stove section, so do not repeat them here.
Adopt the coding cable location technology to detect the positional information of coil of strip.Wherein, coding cable comprises the geocoding projector, geocoding receptor, coding cable, four parts of antenna case.
In this example, coding cable is used to measure coil of strip position location technology employing specific address.The address that directly parses by address wires such as coding cable G0, G1... is called specific address, also cries " big address ".
In the silicon steel ring furnace is used, adopt the mode of operation that detects this coding cable location technology on the ground.
As shown in Figure 3, on the ground detection mode is geocoding projector 301 and antenna case 302 to be installed on the stove section of high-temperature ring annealing furnace be called movement station at this, by antenna case emission address signal, geocoding receptor 303 is installed on the termination rack 304 and is called fixed station at this, coding cable is centered around on the chassis, finishes address detected at fixed station.To obtain the position of our station as movement station, can obtain from fixed station by communication.
In location, ring furnace absolute location, can obtain the absolute location of the corresponding stove section of coil of strip place chassis.
In the present invention, position detection is most important, so when coding cable parses the absolute location (here, all be object of reference with the 1# chassis) also must and the position that calculates of relative position compare, be about to collection in worksite to position signal all take in DCS system 305, also can take in the PLC system, compare, if consistent, system provides the correct sign of positional information, if inconsistent, system sends the sign of positional fault.
IF(N＝＝REALPOSITION.CPV1)THEN
SAMEASTAPE.PV＝1
ELSE
NOTSAME.PV＝1
END?IF
In the epimere program that for example the C language is compiled, when relative position and absolute position detection went out position consistency, zone bit " SAMEASTAPE " assignment was 1, otherwise zone bit " NOTSAME " assignment is 1.When " NOTSAME " was 1, ring furnace DCS active station can automatic pop-up window.
At this moment, the operative employee can select correct location detecting apparatus then according to the prompting of window to the real position of field observation 1# chassis on picture.
Therefore, the present invention has adopted the method that relative position detects and absolute position detection combines to follow the tracks of the physical location of coil of strip.It is to be beneficial to photoelectric encoder to measure the angle that coil of strip moves and judge the displacement that coil of strip moves that relative position detects.Absolute position detection is to utilize coding cable directly to measure the position of coil of strip.Two kinds of metering systems are independent mutually, but for redundant each other again on the position control of measuring coil of strip, can increase the reliability and the precision of high-temperature ring annealing furnace system coil of strip location tracking like this.
Certainly, the present invention is not restricted to adopt two kinds of position detecting devices to carry out position detection.The present invention also can adopt multiple position detecting device to carry out position detection, then by the detected positional information of more a plurality of position detecting devices: coil of strip is corresponding to the physical location of stove section, when a plurality of positional informations are inconsistent, select correct location detecting apparatus, thereby make and accurately to measure the position of coil of strip, make that Controlling System is more reliable for the stove section in the Controlling System of high-temperature ring annealing furnace system.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (3)
1. the coil of strip positional information of a high-temperature ring annealing furnace is determined method, comprising:
Step 1, collect the positional information of the coil of strip of at least two different positional information proofing unit detections on the high-temperature ring annealing furnace, in described two different positional information proofing units, one is the relative position information proofing unit, and one is the absolute location information proofing unit;
Step 2, whether the positional information of more described detected coil of strip is consistent, if consistent, then performing step 3, otherwise performing step 4;
Step 3 shows that the consistent location information that collects is correct sign;
Step 4 shows that the inconsistent positional information that collects is a fault sign.
2. method according to claim 1 is characterized in that the testing process of described relative position information proofing unit is: adopt grating technology to measure the angle that described coil of strip moves, obtain described positional information.
3. method according to claim 1 is characterized in that the testing process of described absolute location information proofing unit is: adopt coding cable to measure the distance acquisition positional information of described coil of strip for certain point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100524331A CN101058846B (en) | 2007-06-08 | 2007-06-08 | Method of determining position information of high-temperature ring annealing furnace steel coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100524331A CN101058846B (en) | 2007-06-08 | 2007-06-08 | Method of determining position information of high-temperature ring annealing furnace steel coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101058846A CN101058846A (en) | 2007-10-24 |
| CN101058846B true CN101058846B (en) | 2010-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100524331A Expired - Fee Related CN101058846B (en) | 2007-06-08 | 2007-06-08 | Method of determining position information of high-temperature ring annealing furnace steel coil |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545036B (en) * | 2008-03-24 | 2010-12-15 | 宝山钢铁股份有限公司 | Method for controlling heating on edges of steel coil edge and heating device |
| CN102279607A (en) * | 2011-07-06 | 2011-12-14 | 联众（广州）不锈钢有限公司 | Annealing furnace zone temperature control method |
| CN102679725B (en) * | 2012-05-25 | 2014-04-09 | 中冶南方（武汉）自动化有限公司 | Fault diagnosis and fault tolerance control method and system used for material tracking system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131636A (en) * | 1994-11-17 | 1996-09-25 | Lg产电株式会社 | Position detecting apparatus for elevator |
| CN2889535Y (en) * | 2005-08-12 | 2007-04-18 | 龚健 | Strip steel coiling apparatus |
-
2007
- 2007-06-08 CN CN2007100524331A patent/CN101058846B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131636A (en) * | 1994-11-17 | 1996-09-25 | Lg产电株式会社 | Position detecting apparatus for elevator |
| CN2889535Y (en) * | 2005-08-12 | 2007-04-18 | 龚健 | Strip steel coiling apparatus |
Non-Patent Citations (4)
| Title |
|---|
| JP特開2005-346460A 2005.12.15 |
| JP特開2006-272395A 2006.10.12 |
| JP特開平6-10056A 1994.01.18 |
| JP特開平9-239423A 1997.09.16 |
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Effective date of registration: 20170706 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 Patentee before: Wuhan Iron & Steel (Group) Corp. |
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