CN103861877B - A kind of heat treatment for medium plate stove steel plate position tracking control system and method - Google Patents
A kind of heat treatment for medium plate stove steel plate position tracking control system and method Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000004886 process control Methods 0.000 claims abstract description 7
- 238000009877 rendering Methods 0.000 claims abstract description 3
- 238000004364 calculation method Methods 0.000 claims description 12
- 230000002452 interceptive effect Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000012937 correction Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
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- 230000001537 neural effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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Abstract
The invention discloses a kind of heat treatment for medium plate stove steel plate position tracking control system and method.The heating curves that the present invention formulates according to process control model calculates the steel plate technique speed of service and movement logic, and is issued to the frequency converter execution of furnace rolls road; According to encoder feedback steel plate actual speed accurate tracking steel plate position in stove, and according to the triggering signal correction steel plate tracing positional that the detector in tracing area feeds back; By steel plate movement logic with enter stove, handling safety of coming out of the stove interlock, control steel plate swings in each process section of heat-treatment furnace; Calculate and control steel plate safe distance in heat-treatment furnace, implementing anticollision strategy; Real-time rendering steel plate motion graphics in production monitoring terminal, in real time display steel plate position information, technique information and velocity information.The present invention preferably resolves the difficult problems such as the accurate tracking of cut deal in heat-treatment furnace, speeds control, safety interlocking, crashproof control.
Description
Technical field
The present invention relates to heat treatment for medium plate production control field, particularly relate to a kind of heat treatment for medium plate stove steel plate position tracking control system and method.
Background technology
The feature that heat treatment for medium plate is produced is that continuity is strong, speed fast, it is complicated to control, as the link that heat-treatment production line Automated condtrol is important, the position of position tracking function real-time tracking steel plate in stove in steel plate heat treatment furnace, implement steel plate sports safety interlocked control, human-computer interaction interface shows steel plate position multidate information, technique information, convenient operation personnel grasp cut deal position and ruuning situation in stove in real time, make adjusting timely production process.Therefore heat treatment for medium plate stove steel plate position is followed the tracks of ensureing that the steady quality of production along operation and cut deal of production line all has great importance.
In existing patented technology, patent CN102021313A, disclose a kind of method improving tracking system control accuracy guarantee cut deal hardenability stabilizability, for improving tracking accuracy, newly-increased 4 groups of instrumentations detect steel plates in stove and quenching press zone position, and revise corresponding PLC program, for judging the physical location of heat-treatment lines upper steel plate.The method is perfect to existing system, its steel plate position Computing Principle and tracing control logic fairly simple, larger with this paper heat-treatment furnace steel plate position tracking system difference.
Patent CN101693944A, discloses a kind of for the material tracing and control method in roller hearth heat-treated furnace, utilizes RBF neural segmentation speed penalty coefficient of adjusting to realize controlling material tracking.The method is followed the tracks of mainly through the accurate control realization steel plate position of speed, and do not explain the Motion of steel plate in stove, and its method for control speed is completely different from the method related to herein, comparativity is little.
Patent CN102230067A, discloses one and realizes heating furnace and enter stove steel billet accurate positioning method, the function that Automated condtrol logic sum enters furnace roller road frequency converter combined, realize arbitrary dimension blank and accurately locate, there will not be smooth phenomenon.The detection means that the method lays particular emphasis on detector upgrades, and by the control of PLC to frequency converter, does not relate to the problems such as the logic control of steel plate movement position and position correction, belong to instrument and meter for automation control field, little with present disclosure relation.
As can be seen here, existing heat treatment for medium plate stove steel plate position tracking and controlling method, or it is too simple, or be only devoted to develop the method improving steel plate position tracking accuracy, in stove the Motion of steel plate, steel plate position correction, with chain, the man-machine interaction of charging and discharging etc. in do not set up system, effective method.
Summary of the invention
The object of the invention is to be exactly for prior art Problems existing, a kind of heat treatment for medium plate stove steel plate position tracking control system and method are provided, it can accurate tracking, control, monitoring movement in heat-treatment furnace region all cut deals, and in man-machine interactive system, draw dynamic tracing figure.
Above-mentioned purpose is realized by following proposal:
A kind of heat treatment for medium plate stove steel plate position tracking control system, it is characterized in that, described control system comprises:
Cut deal position detecting system, comprises and is fixed on laser detector in heat-treatment furnace cut deal tracing area and infrared metal detector, and the generation of cut deal location triggered signal and communication system;
PLC control system, comprise reception and the repeater system of cut deal position detection signal, the collection of the actual roller table speed that each block of cut deal is corresponding and repeater system in heat-treatment furnace, the setting roller table speed that in heat-treatment furnace, each block of cut deal is corresponding and the reception of movement logic and repeater system, for realizing cut deal position detecting system, roller-way frequency converter and encoder, measured data between cut deal microcosmic tracking system and the transmission-receiving function of setting data, and the security inspection of data, packet disassembles restructuring, data transmission stability checks, communicating interrupt is continuous connects function,
Cut deal microcosmic tracking system, comprises cut deal speed calculation module, cut deal position computation module, cut deal gap computing module, safety swing module and data exchange module; Described cut deal speed calculation module is used for according to process control model system-computed and the cut deal setting heating curves transmitted, and calculates the swing speed of cut deal roller table speed corresponding in each process section of heat-treatment furnace and cut deal; Described cut deal position computation module is used for the actual roller table speed that in the heat-treatment furnace according to the transmission of roller-way encoder, each block of cut deal is corresponding, calculate the position of cut deal in stove, and according to the cut deal position detection signal that cut deal position detecting system gathers, the cut deal position calculated is revised; Described cut deal gap computing module for calculating the position gap of the adjacent cut deal in front and back, and by controlling each self-corresponding roller table speed of adjacent two blocks of cut deals, is avoided colliding; Described safety swings module for calculating cut deal and the distance between pan feeding fire door and discharging door, and avoids cut deal to bump against pan feeding and discharging door by controlling cut deal swing; Data exchange module is used for receiving in real time dynamically and send actual measurement between cut deal microcosmic tracking system and PLC control system, process control model system, man-machine interactive system and setting data;
Man-machine interactive system, for the varying information according to cut deal position detection signal and position calculation, in production monitoring terminal, real-time rendering goes out cut deal moving picture, cut deal practical operation situation in simulation stove, polylith cut deal technique information, positional information, interval information, cut deal speed in dynamic reflection heat-treatment furnace.
According to above-mentioned heat treatment for medium plate stove steel plate position tracking control system, it is characterized in that, the position gap of adjacent two blocks of cut deals before and after described cut deal gap computing module calculates in real time, when the gap calculated is less than the first security settings parameter, reduces the speed of service of rear one block of cut deal; When the gap calculated is less than the second security settings parameter, rear one piece of cut deal counter motion.
According to above-mentioned heat treatment for medium plate stove steel plate position tracking control system, it is characterized in that, cut deal position computation module have recorded the detector location coordinate in heat-treatment furnace region, when cut deal arrives detector surveyed area, the cut deal location parameter of the real-time corrected Calculation of described cut deal position computation module.
According to above-mentioned heat treatment for medium plate stove steel plate position tracking control system, it is characterized in that, if when the distance of the cut deal that described safety swing module calculates and pan feeding fire door is less than setup parameter, swing module by safety and control the first forward rocking motion in furnace rolls road, then swing in stove by setting cycle; If when the distance that described safety swing module calculates cut deal and discharging door is less than setup parameter, swings module control furnace rolls road by safety and first swing backward, then swing in stove with setting cycle.
Beneficial effect of the present invention: heat treatment for medium plate stove steel plate position tracking control system of the present invention, not only can all steel plate positions in the heat-treatment furnace of accurate tracking in real time region, and steel plate movement logic and corresponding roller table speed are controlled, and in the production monitoring terminal of man-machine interactive system, draw the motion graphics of cut deal, display cut deal position trace information and movable information in real time.
Accompanying drawing explanation
Fig. 1 is system architecture in the present invention and data transmission schematic diagram;
Fig. 2 is the heat-treatment furnace steel plate tracing area detector arrangement figure in the present invention;
Fig. 3 is the cut deal microcosmic tracking system structural representation in the present invention.
Detailed description of the invention
Heat treatment for medium plate stove steel plate position tracking control system of the present invention is applicable to the cut deal Position Tracking Control in heat treatment for medium plate stove region, steel plate movement logic controls and steel plate is corresponding heat-treatment furnace roller table speed controls, now by reference to the accompanying drawings, the specific embodiment of the invention is described in detail:
The steel plate position tracking control system of this example comprises cut deal position detecting system 1, PLC control system 2, cut deal microcosmic tracking system 3 and man-machine interactive system 4, and wherein cut deal microcosmic tracking system 3 comprises again cut deal speed calculation module 5, cut deal position computation module 6, cut deal gap computing module 7, safety swing module 8 and data exchange module 9.
During normal production, cut deal is entered in heat-treatment furnace 14 through pan feeding fire door by Fig. 2 charging roller 10.When entering stove infrared metal detector 11 and this batch first block plate signal being detected, heat treatment for medium plate stove steel plate position tracking control system starts.Now, procedure Controlling model system 17 basis steel sheet steel grade and specification calculate steel plate heating curves, and cut deal speed calculation module 5 basis steel sheet heating curves calculates the steel plate speed of service and swing speed, and is issued to roller-way frequency converter through PLC control system 2.The actual roller table speed that in the heat-treatment furnace that cut deal position computation module 6 is fed back according to roller-way encoder 18, each block plate is corresponding follows the tracks of the position of steel plate in stove, and according to entering stove infrared metal detector 11, stove inner laser detector 12 and infrared metal detector 13 detection signal of coming out of the stove shown in Fig. 2, revise the tracing positional of each block cut deal in stove.When infrared metal detector 13 of coming out of the stove detects that last block plate of this batch is after discharging door is come out of the stove, and when this block plate runs to runout table 15 completely, heat treatment for medium plate stove steel plate position tracking control system is out of service.
When the cut deal quantity entering heat-treatment furnace 14 is completely greater than 2 pieces, cut deal gap computing module 7 starts, the real-time position gap calculating the two blocks of cut deals in front and back, when the gap calculated is less than the first security settings parameter, reduces the speed of service of rear one block of cut deal; When the gap calculated is less than the second security settings parameter, rear one piece of cut deal counter motion.
When the most fed to boiler in heat-treatment furnace cut deal to Way in move and enter in stove first, second laser detector 12 of furnace side cut deal all detected time, if now pan feeding fire door is in close stance, then safety swing module 8 starts, make the first heat treated outlet of still side oscillation of furnace rolls road, then carry out swing with setting cycle; When first block, the tapping side in heat-treatment furnace cut deal to Way out move and in stove, first, second laser detector 12 of tapping side all detects cut deal time, if now discharging door is in close stance, then safety swing module 8 starts, furnace rolls road first heat treated stove entrance side is swung, then carries out swing with setting cycle.Above-mentioned swing process all needs operating personnel's manual confirmation just can return to normal production.
After cut deal heat-treatment furnace steel plate position tracking control system starts, man-machine interactive system 4 production monitoring terminal 16 is drawn the motion graphics of cut deal, position residing for real-time display cut deal, production sequence, and the technological parameter and velocity information of checking every block cut deal can be clicked.
After cut deal heat-treatment furnace steel plate position tracking control system starts, data exchange module 9 runs always, steel plate heating curves process control model system 17 calculated passes to the cut deal speed calculation module 5 in cut deal microcosmic tracking system 3, and steel plate actual motion speed cut deal microcosmic tracking system 3 obtained and the actual heat time of steel plate in each process section of heat-treatment furnace of calculating pass to process control model system 17; Meanwhile, data exchange module 9 realizes cut deal microcosmic tracking system 3 and the exchanges data between PLC control system 2 and man-machine interactive system 4.
After cut deal heat-treatment furnace steel plate position tracking control system starts, PLC control system 2 is run always, by the steel plate position detection signal obtained by cut deal position detecting system 1, and the actual roller table speed that in the heat-treatment furnace obtained by roller-way encoder 18, each block plate is corresponding feeds back to cut deal microcosmic tracking system 3; The steel plate speed of service simultaneously cut deal speed calculation module 3 calculated and swing speed are converted into roller-way setting speed corresponding to each block plate in heat-treatment furnace, are handed down to roller-way frequency converter 18.
In sum, heat treatment for medium plate stove steel plate position tracking control system of the present invention, not only can all steel plates in each process section of the heat-treatment furnace of accurate tracking in real time, and control each block plate movement logic, and in man-machine interactive system production monitoring terminal, draw the motion graphics of cut deal, display cut deal position trace information and velocity information in real time.At present, this system achieves desirable implementation result on stainless steel heat-treatment furnace production line.
Claims (4)
1. a heat treatment for medium plate stove steel plate position tracking control system, is characterized in that, described control system comprises:
Cut deal position detecting system, comprises and is fixed on laser detector in heat-treatment furnace cut deal tracing area and infrared metal detector, and the generation of cut deal location triggered signal and communication system;
PLC control system, comprise reception and the repeater system of cut deal position detection signal, the collection of the actual roller table speed that each block of cut deal is corresponding and repeater system in heat-treatment furnace, the setting roller table speed that in heat-treatment furnace, each block of cut deal is corresponding and the reception of movement logic and repeater system, for realizing cut deal position detecting system, roller-way frequency converter and encoder, measured data between cut deal microcosmic tracking system and the transmission-receiving function of setting data, and the security inspection of data, packet disassembles restructuring, data transmission stability checks, communicating interrupt is continuous connects function,
Cut deal microcosmic tracking system, comprises cut deal speed calculation module, cut deal position computation module, cut deal gap computing module, safety swing module and data exchange module; Described cut deal speed calculation module is used for according to process control model system-computed and the cut deal setting heating curves transmitted, and calculates the swing speed of cut deal roller table speed corresponding in each process section of heat-treatment furnace and cut deal; Described cut deal position computation module is used for the actual roller table speed that in the heat-treatment furnace according to the transmission of roller-way encoder, each block of cut deal is corresponding, calculate the position of cut deal in stove, and according to the cut deal position detection signal that cut deal position detecting system gathers, the cut deal position calculated is revised; Described cut deal gap computing module for calculating the position gap of the adjacent cut deal in front and back, and by controlling each self-corresponding roller table speed of adjacent two blocks of cut deals, is avoided colliding; Described safety swings module for calculating cut deal and the distance between pan feeding fire door and discharging door, and avoids cut deal to bump against pan feeding and discharging door by controlling cut deal swing; Data exchange module is used for receiving in real time dynamically and send actual measurement between cut deal microcosmic tracking system and PLC control system, process control model system, man-machine interactive system and setting data;
Man-machine interactive system, for the varying information according to cut deal position detection signal and position calculation, in production monitoring terminal, real-time rendering goes out cut deal moving picture, cut deal practical operation situation in simulation stove, polylith cut deal technique information, positional information, interval information, cut deal speed in dynamic reflection heat-treatment furnace.
2. heat treatment for medium plate stove steel plate position tracking control system according to claim 1, it is characterized in that, the position gap of adjacent two blocks of cut deals before and after described cut deal gap computing module calculates in real time, when the gap calculated is less than the first security settings parameter, reduce the speed of service of rear one block of cut deal; When the gap calculated is less than the second security settings parameter, rear one piece of cut deal counter motion.
3. heat treatment for medium plate stove steel plate position tracking control system according to claim 1, it is characterized in that, cut deal position computation module have recorded the detector location coordinate in heat-treatment furnace region, when cut deal arrives detector surveyed area, the cut deal location parameter of the real-time corrected Calculation of described cut deal position computation module.
4. heat treatment for medium plate stove steel plate position tracking control system according to claim 1, it is characterized in that, if when the distance of the cut deal that described safety swing module calculates and pan feeding fire door is less than setup parameter, swing module by safety and control the first forward rocking motion in furnace rolls road, then swing in stove by setting cycle; If when the distance that described safety swing module calculates cut deal and discharging door is less than setup parameter, swings module control furnace rolls road by safety and first swing backward, then swing in stove with setting cycle.
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Inventor after: Fu Tianliang Inventor after: Liu Yujia Inventor after: Li Jiadong Inventor after: Wang Zhaodong Inventor after: Wang Guodong Inventor after: Li Yong Inventor before: Fu Tianliang Inventor before: Li Yong Inventor before: Li Jiadong Inventor before: Wang Zhaodong Inventor before: Wang Guodong Inventor before: Liu Yujia |
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Effective date of registration: 20180928 Address after: 530007 11, A block, 2 Chuang Chuang Road, Nanning high tech Zone, the Guangxi Zhuang Autonomous Region. Patentee after: Guangxi advanced aluminum processing Innovation Center Co.,Ltd. Address before: 110819 No. 11 Lane 3, Cultural District, Heping District, Shenyang, Liaoning Patentee before: Northeastern University |
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Denomination of invention: A steel plate position tracking control system and method for medium and thick plate heat treatment furnace Granted publication date: 20150923 Pledgee: China Minsheng Bank Co.,Ltd. Nanning Branch Pledgor: Guangxi advanced aluminum processing Innovation Center Co.,Ltd. Registration number: Y2024980024622 |