CN101985687A - Contact-type automatic measuring equipment and method for plate temperature - Google Patents
Contact-type automatic measuring equipment and method for plate temperature Download PDFInfo
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- CN101985687A CN101985687A CN201010526752.3A CN201010526752A CN101985687A CN 101985687 A CN101985687 A CN 101985687A CN 201010526752 A CN201010526752 A CN 201010526752A CN 101985687 A CN101985687 A CN 101985687A
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Abstract
The invention relates to the technical filed of plate temperature measuring, in particular to a contact-type automatic measuring equipment and method for plate temperature. The measuring equipment comprises a thermoelectric couple, an electric operator and a data processing and controlling unit, wherein the thermoelectric couple is clamped and sleeved on the electric operator; the data processing and controlling unit controls the electric operator to push the thermoelectric couple to contact with or far away from a strip steel, so as to realize the on-line measuring of the plate temperature, and the on-line checking of a radiant plate thermometer. In the invention, the full-automatic operation can be realized, the surface quality of a product can not be influenced, the measuring is accurate and reliable, and the operation is simple, convenient and safe.
Description
Technical field
The present invention relates to plate temperature detection technique field, relate in particular to a kind of plate temperature automatic detection device and method.
Background technology
Continuous annealing process is advanced cold-rolling treatment technology in the world.The band steel is in whole heat treatment process, and experience preheating, heating, soaking, to reach the annealing purpose of processing requirement, are satisfied every performance index of customer requirements at slow cooling, stage such as fast cold.Its line speed is fast, and to the performance requriements height of band steel, and the band steel of different steel grade, the trade mark requires to reach different belt steel temperatures through each processing section the time.So belt steel temperature is accurately measured and controlled to on-line continuous is the essential condition that guarantees band rigidity energy index.
At present the domestic production line often adopts the contactless temperature-measuring instrument, carries out the on-line measurement of belt steel temperature in the stove as radiation pyrometer etc.But generally there is bigger deviation between value that this type of temperature measurer is measured and the actual value, and need carries out adjustment, use loaded down with trivial details for the band steel capital of the different steel grades and the trade mark.And present domestic unit still is in manually level to the use of this type of temperature measurer, and its danger is very big.So realize accurately, automatically that how safely, the online detection of plate temperature is all problem demanding prompt solutions of each big steel enterprise.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of contact plate temperature automatic detection device and method, accuracy, security and the reliability problems of solving device installation and online automatic detection.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of contact plate temperature automatic detection device mainly comprises: thermopair, electric operator, control line and data processing and control unit; Thermopair is fastened on the electric operator, and thermopair and electric operator are connected to data processing and control unit by control line, and data processing and control unit are used to control the electric operator operation and accept the temperature detection signal that thermopair transmits.
As optimized technical scheme, described contact plate temperature automatic detection device also comprises: protective casing, pneumostop ball valve and sealing nitrogen interface; Protective casing is installed in the duct inwall in body of heater and the refractory masses, and the body of heater inner chamber is stretched at the protective casing top, up to the position near band steel medullary ray; Pneumostop ball valve and sealing nitrogen interface are installed on the protective casing in the body of heater outside; The sealing nitrogen interface is arranged under the pneumostop ball valve, and is passed in the protective casing always, is used for sealing and cooling.
As optimized technical scheme, described contact plate temperature automatic detection device also comprises: upper computer and communication bus; Data processing and control unit carry out data exchange by communication bus and upper computer.
As optimized technical scheme, described electric operator comprises: sliding rail rack, sliding machine, the fixed pin shaft of band spring, electro-motor, chain wheel shaft, chain, limit switch; Thermopair firmly is fixed on the sliding machine by the fixed pin shaft of band spring, and moves up and down on sliding rail rack by the drive of driving members such as electro-motor, chain wheel shaft and chain; Limit switch is contained in the both sides up and down of sliding rail rack, and the moving range of sliding machine is limited, and the lower position switch installation site will be higher than the protective casing outlet, and two limit switches distance is greater than the vertical range of lower position switch to belt steel surface.
As optimized technical scheme, described contact plate temperature automatic detection device also comprises: the weld seam detection instrument; The weld seam signal of weld seam detection instrument is linked in data processing and the control unit by control line.
In order to solve the problems of the technologies described above, the method applied in the present invention technical scheme is:
A kind of contact plate temperature automatic testing method comprises the steps: thermopair is fastened on the electric operator, and thermopair and electric operator are connected to data processing and control unit by control line; Data processing and control unit are controlled electric operator automatically and are promoted the thermopair contact or away from the band steel, realize the measurement to the plate temperature.
As optimized technical scheme, described contact plate temperature automatic testing method, comprise the steps: that also data processing and control unit receive the weld seam signal that the weld seam detection instrument inserts by control line, calculate position while welding, rationally judge the opportunity that electric operator pushes thermopair the inner contact of burner hearth belt steel surface that starts, realize that thermopair accurately is positioned to be with near the steel weld seam, to guarantee strip surface quality.
As optimized technical scheme, described contact plate temperature automatic testing method, also comprise the steps: protective casing is installed in duct inwall in body of heater and the refractory masses, the body of heater inner chamber is stretched at the protective casing top, up to the position near band steel medullary ray; Pneumostop ball valve and sealing nitrogen interface are installed on the protective casing in the body of heater outside, and the sealing nitrogen interface is arranged under the pneumostop ball valve, and is passed in the protective casing always; During off working state, the pneumostop ball valve of duct outlet is closed, and high pressure nitrogen is opened all the time, guarantees furnace sealing; Before thermopair was prepared to insert, data processing and control unit control pneumostop ball valve were opened automatically, improve the high pressure nitrogen amount of being blown into simultaneously.
As optimized technical scheme, described contact plate temperature automatic testing method, also comprise the steps: the belt steel temperature that data processing and control unit record according to thermopair, plate temperature in conjunction with the radiant panel thermometer demonstration, automatically adjust the radiant panel thermometer radiation coefficient by algorithm, revise the radiant panel thermometer temperature displayed, thereby the on-line continuous that realizes radiant panel thermometer is checked.
As optimized technical scheme, described contact plate temperature automatic testing method, also comprise the steps: under PC control, thermopair accurately is positioned the arbitrary target position, realization is to the accurate measurement with each regional furnace temperature of cross section, and can form message and pass to upper computer and draw the furnace curve, the convenient characteristic distributions of grasping temperature in the stove.
The present invention carries the mode that thermopair moves with electric operator and has broken away from manually-operated problem in the past, has realized automatization, and has improved security; Its data processing and control unit insert opportunity by rationally judging thermopair, and precision maneuver has reduced the influence to strip surface quality; Utilize modes such as high pressure nitrogen sealing and pneumostop ball valve to guarantee to install good security and the stopping property under the off working state; By rational data processing and control algolithm, can also proofread and correct radiant panel thermometer automatically fast, solved the problem that plate temperature meter real-time online is checked.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the present invention.
Main parts size explanation: 1 reed-type or trolley type thermopair, 2 sliding rail racks, 3 sliding machines; the fixed pin shaft of 4 band springs, 5 electro-motors, 6 chain wheel shafts; 7 chains, 8 limit switches, 9 pneumostop ball valves; 10 sealing nitrogen interface, 11 protective casings, 12 band steel; 13 bodies of heater and refractory masses, 14 data processing and control unit, 15 control lines; 16 upper computers, 17 communication buses.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, contact plate temperature automatic detection device one preferred embodiment of the present invention mainly comprises: reed-type or trolley type thermopair 1; sliding rail rack 2, sliding machine 3, the fixed pin shaft 4 of band spring; electro-motor 5, chain wheel shaft 6, chain 7; limit switch 8, pneumostop ball valve 9, sealing nitrogen inlet 10; protective casing 11, data processing and control unit 14, control line 15; upper computer 16, communication bus 17.
Have the duct that communicates in body of heater and refractory masses 13, protective casing 11 is installed in the duct inwall, and the annealing furnace inner chamber is stretched at the top of protective casing 11, up to the position near band steel 12 medullary rays.Pneumostop ball valve 9 and sealing nitrogen interface 10 are housed on the protective casing 11 in the body of heater outside.Sealing nitrogen interface 10 is arranged under the pneumostop ball valve 9, and is passed in the protective casing 11 with performance sealing and refrigerative effect always.Reed-type or trolley type thermopair 1 firmly are fixed on the sliding machine 3 by the fixed pin shaft 4 of band spring, and move up and down on sliding rail rack 2 by the drive of driving members such as electro-motor 5, chain wheel shaft 6 and chain 7.Limit switch 8 is contained in the both sides up and down of sliding rail rack 2, and the moving range of sliding machine 3 is limited.The lower position switch installation site will be higher than protective casing 11 outlets, and two limit switches distance is greater than the vertical range of lower position switch to belt steel surface.The control signal of reed-type or trolley type thermopair 1, electro-motor 5 and the weld seam signal of weld seam detection instrument are linked in data processing and the control unit 14 by control line 15.And data processing and control unit 14 carry out data exchange by communication bus 17 and upper computer 16.
Use the method for carrying out the automatic detection of plate temperature of apparatus of the present invention as follows:
At first, thermopair is installed, and is carried out operation preparation work.Concrete operations are as follows: by the hand-operated lifting button on data processing and control unit 14 panels sliding machine 3 is moved to sliding rail rack 2 bottoms, and open the pneumostop ball valve 9 on the protective casing 11.In the fixed pin shaft 4 with reed-type or trolley type thermopair 1 cover forward (FWD) spring, and pass gently to be pressed in the protective casing 11 insertion stoves and be with on the steel 12.After adjusting thermopair 1 position, the fixed pin shaft 4 of tightening the band spring clicks the self check button on data processing and control unit 14 panels then with thermopair 1 fix tightly, and device enters self-check program.Its main content is automatically thermopair 1 at the uniform velocity to be moved to the bottom from sliding rail rack 2 tops, and record traveling time T, for surveying work provides parameter.Simultaneously, will be with steel operation top speed, weld seam detection instrument to data such as check point distance to be input in data processing and the control unit 14 by panel, V is given to data processing and control unit 14 by communication bus 17 by upper computer 16 for band steel operation real-time speed.
When needs are measured the plate temperature, data processing and control unit 14 are after the weld seam signal of weld seam detection instrument arrives, automatically open seal ball-valve 9, and control sliding machine 3 make reed-type or trolley type thermopair 1 move downward bottom contact zones steel by certain control algolithm, this moment be with the steel weld seam also just to arrive the detection position.At this moment, reed-type or trolley type thermopair 1 accurately are positioned to be with near the steel weld seam, detect its temperature and pass upper computer 16 again back through data judgement and processing.Its arthmetic statement is as follows, supposes that weld seam to the distance of detection position is S
h, the traveling time behind the band steel weld seam process weld seam detection instrument is T
h, reed-type or trolley type thermopair 1 at the uniform velocity move to the bottom from sliding rail rack 2 tops traveling time is T, and the weld seam detection instrument is S to the check point distance, and band steel operation top speed is V
Max, band steel operation real-time speed is V, and the distance of bound bit switch is L, and sliding machine 3 to the distance of lower position switch 8 is 1, then satisfies
When
The time, data processing and control unit 14 guarantee sliding machine 3 is moved to
The position on.Behind n 〉=6, sliding machine 3 is disposable to be pushed the bottom with reed-type or trolley type thermopair 1 and makes it to contact near the weld seam belt steel surface.
After measuring end; data processing and control unit 14 control sliding machines 3 are extracted reed-type or trolley type thermopair 1 out from protective casing 11; and rise to the upper limit position switch position, and extract out fully to guarantee reed-type or trolley type thermopair 1, close pneumostop ball valve 9 at last.
When needs are checked radiant panel thermometer, except that carrying out the plate temperature measurement, the belt steel temperature that data processing and control unit 14 record according to reed-type or trolley type thermopair 1, the plate temperature that shows in conjunction with radiant panel thermometer, adjusting plate temperature meter radiation coefficient automatically by algorithm just can revision board temperature meter displays temperature.
The technology of the present invention can under the situation that does not influence strip surface quality, safely, accurately, automatically realize the online detection of plate temperature when the band steel normally moves, and can check radiant panel thermometer automatically, carry out the curve plotting of furnace temperature areal distribution, practical, have very high promotional value.
The above embodiment is the preferred embodiment that proves absolutely that the present invention lifts, and protection scope of the present invention is not limited thereto.Being equal to that those skilled in the art are done on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a contact plate temperature automatic detection device is characterized in that, mainly comprises: thermopair, electric operator, control line and data processing and control unit; Thermopair is fastened on the electric operator, and thermopair and electric operator are connected to data processing and control unit by control line, and data processing and control unit are used to control the electric operator operation and accept the temperature detection signal that thermopair transmits.
2. contact plate temperature automatic detection device according to claim 1 is characterized in that, also comprises: protective casing, pneumostop ball valve and sealing nitrogen interface; Protective casing is installed in the duct inwall in body of heater and the refractory masses, and the body of heater inner chamber is stretched at the protective casing top, up to the position near band steel medullary ray; Pneumostop ball valve and sealing nitrogen interface are installed on the protective casing in the body of heater outside; The sealing nitrogen interface is arranged under the pneumostop ball valve, and is passed in the protective casing always, is used for sealing and cooling.
3. contact plate temperature automatic detection device according to claim 1 is characterized in that, also comprises: upper computer and communication bus; Data processing and control unit carry out data exchange by communication bus and upper computer.
4. contact plate temperature automatic detection device according to claim 1 is characterized in that described electric operator comprises: sliding rail rack, sliding machine, the fixed pin shaft of band spring, electro-motor, chain wheel shaft, chain, limit switch; Thermopair firmly is fixed on the sliding machine by the fixed pin shaft of band spring, and moves up and down on sliding rail rack by the drive of driving members such as electro-motor, chain wheel shaft and chain; Limit switch is contained in the both sides up and down of sliding rail rack, and the moving range of sliding machine is limited, and the lower position switch installation site will be higher than the protective casing outlet, and two limit switches distance is greater than the vertical range of lower position switch to belt steel surface.
5. contact plate temperature automatic detection device according to claim 1 is characterized in that, also comprises: the weld seam detection instrument; The weld seam signal of weld seam detection instrument is linked in data processing and the control unit by control line.
6. a contact plate temperature automatic testing method is characterized in that, comprises the steps:
Thermopair is fastened on the electric operator, thermopair and electric operator are connected to data processing and control unit by control line;
Data processing and control unit are controlled electric operator automatically and are promoted the thermopair contact or away from the band steel, realize the measurement to the plate temperature.
7. contact plate temperature automatic testing method according to claim 6 is characterized in that, also comprises the steps:
Data processing and control unit receive the weld seam signal that the weld seam detection instrument inserts by control line, calculate position while welding, rationally judge the opportunity that electric operator pushes thermopair the inner contact of burner hearth belt steel surface that starts, realize that thermopair accurately is positioned to be with near the steel weld seam, to guarantee strip surface quality.
8. contact plate temperature automatic testing method according to claim 6 is characterized in that, also comprises the steps:
Protective casing is installed in duct inwall in body of heater and the refractory masses, and the body of heater inner chamber is stretched at the protective casing top, up to the position near band steel medullary ray;
Pneumostop ball valve and sealing nitrogen interface are installed on the sleeve pipe in the body of heater outside, and the sealing nitrogen interface is arranged under the pneumostop ball valve, and is passed in the protective casing always;
During off working state, the pneumostop ball valve of duct outlet is closed, and high pressure nitrogen is opened all the time, guarantees furnace sealing;
Before thermopair was prepared to insert, data processing and control unit control pneumostop ball valve were opened automatically, improve the high pressure nitrogen amount of being blown into simultaneously.
9. contact plate temperature automatic testing method according to claim 6 is characterized in that, also comprises the steps:
The belt steel temperature that data processing and control unit record according to thermopair, plate temperature in conjunction with the radiant panel thermometer demonstration, automatically adjust the radiant panel thermometer radiation coefficient by algorithm, revise the radiant panel thermometer temperature displayed, thereby the on-line continuous that realizes radiant panel thermometer is checked.
10. contact plate temperature automatic testing method according to claim 6 is characterized in that, also comprises the steps:
Under PC control, thermopair accurately is positioned the arbitrary target position, realize accurate measurement, and can form message and pass to upper computer and draw the furnace curve, the convenient characteristic distributions of grasping temperature in the stove with each regional furnace temperature of cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010526752.3A CN101985687A (en) | 2010-11-01 | 2010-11-01 | Contact-type automatic measuring equipment and method for plate temperature |
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| CN201010526752.3A CN101985687A (en) | 2010-11-01 | 2010-11-01 | Contact-type automatic measuring equipment and method for plate temperature |
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| CN201010526752.3A Pending CN101985687A (en) | 2010-11-01 | 2010-11-01 | Contact-type automatic measuring equipment and method for plate temperature |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593551A (en) * | 2015-01-22 | 2015-05-06 | 湖北浩运新材料科技有限公司 | Method for detecting furnace temperature of alloy-stick continuous tempering heat treatment quenching furnace |
| CN104931147A (en) * | 2015-05-08 | 2015-09-23 | 中冶长天国际工程有限责任公司 | Motor-driven type rotary kiln direct temperature measuring device |
| CN106222399A (en) * | 2016-07-19 | 2016-12-14 | 中冶长天国际工程有限责任公司 | A kind of sintering process monitoring device and sintering machine |
| CN112097940A (en) * | 2020-07-28 | 2020-12-18 | 西安交通大学 | Thermocouple two-dimensional temperature measurement platform and method based on computer automatic control |
| CN113008398A (en) * | 2021-03-02 | 2021-06-22 | 中冶赛迪上海工程技术有限公司 | Mounting bracket for strip steel lower surface temperature detector and mounting method thereof |
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| CN201163217Y (en) * | 2007-12-29 | 2008-12-10 | 中冶南方工程技术有限公司 | Strip steel temperature measuring equipment in stove |
| CN101487745A (en) * | 2009-02-18 | 2009-07-22 | 中冶赛迪工程技术股份有限公司 | Radiant panel thermometer detection apparatus and method for continuous annealing furnace |
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2010
- 2010-11-01 CN CN201010526752.3A patent/CN101985687A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201163217Y (en) * | 2007-12-29 | 2008-12-10 | 中冶南方工程技术有限公司 | Strip steel temperature measuring equipment in stove |
| CN101487745A (en) * | 2009-02-18 | 2009-07-22 | 中冶赛迪工程技术股份有限公司 | Radiant panel thermometer detection apparatus and method for continuous annealing furnace |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593551A (en) * | 2015-01-22 | 2015-05-06 | 湖北浩运新材料科技有限公司 | Method for detecting furnace temperature of alloy-stick continuous tempering heat treatment quenching furnace |
| CN104593551B (en) * | 2015-01-22 | 2016-08-24 | 湖北浩运新材料科技有限公司 | A kind of detection method of alloy big stick-means of intimidation continuous refining heat-treatment quenching stove furnace temperature |
| CN104931147A (en) * | 2015-05-08 | 2015-09-23 | 中冶长天国际工程有限责任公司 | Motor-driven type rotary kiln direct temperature measuring device |
| CN106222399A (en) * | 2016-07-19 | 2016-12-14 | 中冶长天国际工程有限责任公司 | A kind of sintering process monitoring device and sintering machine |
| CN106222399B (en) * | 2016-07-19 | 2019-10-29 | 中冶长天国际工程有限责任公司 | A kind of sintering process monitoring device and sintering machine |
| CN112097940A (en) * | 2020-07-28 | 2020-12-18 | 西安交通大学 | Thermocouple two-dimensional temperature measurement platform and method based on computer automatic control |
| CN112097940B (en) * | 2020-07-28 | 2023-12-29 | 西安交通大学 | Thermocouple two-dimensional temperature measurement platform and method based on computer automatic control |
| CN113008398A (en) * | 2021-03-02 | 2021-06-22 | 中冶赛迪上海工程技术有限公司 | Mounting bracket for strip steel lower surface temperature detector and mounting method thereof |
| CN113008398B (en) * | 2021-03-02 | 2022-11-18 | 中冶赛迪上海工程技术有限公司 | Mounting bracket for strip steel lower surface temperature detector and mounting method thereof |
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Application publication date: 20110316 |