CN103696768A - Coal planer operation control system - Google Patents
Coal planer operation control system Download PDFInfo
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- CN103696768A CN103696768A CN201310301234.5A CN201310301234A CN103696768A CN 103696768 A CN103696768 A CN 103696768A CN 201310301234 A CN201310301234 A CN 201310301234A CN 103696768 A CN103696768 A CN 103696768A
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- planer head
- run location
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- signal acquisition
- coal
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Abstract
The invention relates to the technical field of operation control systems for underground coal mine coal planers, and particularly relates to a coal planer operation control system. The coal planer operation control system mainly comprises a main controller, signal acquisition controllers, a planing length sensor, and three planing head operation position correction sensors; the main controller is mounted near a coal planer head transmission device; the signal acquisition controllers are respectively mounted near the coal planer head transmission device and a coal planer tail transmission device. The planing length sensor is mounted on a connecting rack of a reducer output shaft and a sprocket wheel; the three planing head operation position correction sensors are respectively mounted on a middle groove and a line-changing groove of a conveyer. The main controller controls the operation of a coal planer planing head driving motor, and controls the starting, stopping, acceleration, deceleration and direction changing of a variable frequency motor according to the planing head positions sent by the signal acquisition controllers. The coal planer operation control system of the invention is applicable to coal planers for underground coal mine fully-mechanized coal mining working surfaces, and realizes the operation control of coal planers.
Description
Technical field
The present invention relates to the operation control system technical field of a kind of colliery underground coal plough, specifically a kind of coal plough operation control system.
Background technology
In China's thin seam mining, have the problems such as work under bad environment, poor stability and labour intensity are large at present, girdle Full-automatic Plough has solved the problems referred to above.The coal plough market of China is abroad monopolized always at present, in order to fill the domestic gaps, replace imported a complete set of equipment, reach advanced world standards, realize the production domesticization of full-automatic coal plough work plane a complete set of equipment and technology, developed girdle Full-automatic Plough equipment.The operation of coal plough must rely on operation control system to work, and has therefore invented a kind of coal plough operation control system.
Summary of the invention
The object of the invention is to design a kind of coal plough operation control system of controlling coal plough operation.
Technical scheme of the present invention is:
Planing length sensor 3-4, planer head run location correcting sensor 3-1,3-2 are connected with signal acquisition controller 2 by cable respectively with 3-3, and signal acquisition controller 2 is connected with master controller 1 by communication cable.
The calculated signals that signal acquisition controller 2 gathers planing length sensor 3-4 goes out the run location of planer head, and according to the calculated value of the signal correction planer head run location of planer head run location correcting sensor 3-1,3-2 and 3-3.Master controller 1 is controlled the operation of coal planer plough drive motors, and transmit by signal acquisition controller 2
The course of work of the present invention is as follows:
When coal plough is prepared to start working, the initial position of planer head is set on master controller 1, the rotation direction of planer head, acceleration time and deceleration time.When coal plough is ready, the start button on operation master controller 1, coal planer plough is by the direction operation of setting.The calculated signals of signal acquisition controller 2 collection planing length sensor 3-4 goes out the run location of planer head, when planer head moves to the position 1 of drag conveyor, signal acquisition controller 2 is received in the signal of the planer head run location correcting sensor 3-1 installing position 1, if now the actual value of the calculated value of planer head run location and position 1 has error, signal acquisition controller 2 is proofreaied and correct the now calculated value of planer head run location.When planer head moves to position 2, if now the actual value of the calculated value of planer head run location and position 2 has error, signal acquisition controller 2 is according to the signal correction of the sensor 3-2 calculated value of planer head run location now, and planer head reduces speed now simultaneously.When arriving the deceleration time of setting, planer head starts commutation operation, then planer head accelerates to high-speed cruising according to the acceleration time of setting, planer head high-speed cruising is respectively through position 3, position 1, position 2, and signal acquisition controller 2 can be according to the calculated value of sensor 3-3,3-1 and 3-2 signal autocorrection planer head run location.When planer head runs to position 2, reduce speed now, when arriving the deceleration time of setting, planer head starts commutation operation, then according to the acceleration time of setting, accelerate to high-speed cruising, planer head high-speed cruising, respectively through position 2, position 1, position 3, so repeatedly, is realized shearing function.
The present invention can be used for controlling that coal planer plough starts, stops, acceleration, deceleration and commutation etc., and calculated value that can automatic calibration coal planer plough run location, has realized the operation of colliery down-hole combined mining working coal plough is controlled.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is system schematic of the present invention.
Fig. 2 is first embodiment of the present invention schematic diagram.
Fig. 3 is second embodiment of the present invention schematic diagram.
Fig. 4 is third embodiment of the present invention schematic diagram.
In figure: 1 master controller, 1-1 is the PLC in 1, 1-2 is the CAN safety barrier in 1, 1-3 is the single-phase isolating transformer in 1, 1-4 is the Switching Power Supply in 1, 1-5 is the intrinsic safety electric source in 1, 1-6 is the electric current loop safety barrier in 1, 2 signal acquisition controllers, 2-1 is the I/O module in 2, 2-2 is the CAN safety barrier in 2, 2-3 is the single-phase isolating transformer in 2, 2-4 is the Switching Power Supply in 2, 2-5 is the intrinsic safety electric source in 2, 2-6 is the digital quantity input safety barrier in 2, 3 sensors, 3-4 is the planing length sensor in 3, 3-1 is the planer head run location correcting sensor in 3, 3-2 is the planer head run location correcting sensor in 3, 3-3 is the planer head run location correcting sensor in 3, sensor 4, 4-1 is the cooling water pressure sensor in 4, 4-2 is the cooling water flow quantity sensor in 4, 4-3 is the reducer fuel level sensor in 4, 4-4 is the cooling-water temperature sensor in 4, 4-5 is the reducer oil temperature sensor in 4, 4-6 is the motor bearings temperature pick up in 4, 4-7 is the motor winding temperature sensor in 4, 4-8 is the reducer input shaft temperature pick up in 4, 4-9 is the reducer output shaft temperature pick up in 4, 4-10 is the sprocket wheel left bearing temperature pick up in 4, 4-11 is the sprocket wheel right bearing temperature pick up in 4, 5 sensors, 5-1 is the cooling water pressure sensor in 5, 5-2 is the cooling water flow quantity sensor in 5, 5-3 is the reducer fuel level sensor in 5, 5-4 is the telescopic machine tail oil cylinder working-pressure sensor in 5, 5-5 is the cooling-water temperature sensor in 5, 5-6 is the reducer oil temperature sensor in 5, 5-7 is the motor bearings temperature pick up in 5, 5-8 is the motor winding temperature sensor in 5, 5-9 is the reducer input shaft temperature pick up in 5, 5-10 is the reducer output shaft temperature pick up in 5, 5-11 is the sprocket wheel left bearing temperature pick up in 5, 5-12 is the sprocket wheel right bearing temperature pick up in 5, 6 electromagnetic valves, 6-1 is that the tail oil cylinder in 6 is stretched electromagnetic valve, 6-2 is the tail oil cylinder contracting electromagnetic valve in 6, 7 signal acquisition controllers, 7-1 is the I/O module in 7, 7-2 is the CAN safety barrier in 7, 7-3 is the single-phase isolating transformer in 7, 7-4 is the Switching Power Supply in 7, 7-5 is the intrinsic safety electric source in 7, 7-6 is the digital output safety barrier in 7, 7-7 is the analog signal safety barrier in 7, 7-8 is the temperature signal safety barrier in 7.
Fig. 1 is system schematic of the present invention.The present invention mainly comprises master controller 1, signal acquisition controller 2, planing length sensor 3-4, planer head run location correcting sensor 3-1,3-2 and 3-3, master controller 1 is arranged near coal plough head drive device, near head drive device and tail transmission device, is separately installed with signal acquisition controller 2.Planing length sensor 3-4 is arranged on the link of reducer output shaft and sprocket wheel, planer head run location correcting sensor 3-1,3-2 and 3-3 are arranged in conveyer intermediate channel and on modified line groove, planing length sensor 3-4, planer head run location correcting sensor 3-1,3-2 are connected with signal acquisition controller 2 by cable with 3-3, and signal acquisition controller 2 is connected with master controller 1 by communication cable.
The calculated signals that signal acquisition controller 2 gathers planing length sensor 3-4 goes out the run location of planer head, and according to the calculated value of the signal correction planer head run location of planer head run location correcting sensor 3-1,3-2 and 3-3.Master controller 1 is controlled the operation of coal planer plough drive motors, and the planer head positional information transmitting by signal acquisition controller 2 control variable-frequency motor startup, stop, acceleration, deceleration and commutation etc., thereby the operation that realizes coal plough is controlled.
Fig. 2 is first embodiment of the present invention schematic diagram, comprises master controller 1, signal acquisition controller 2 and sensor 3.Master controller 1 is a mine flameproof and intrinsic safety type control cabinet, comprises PLC1-1, CAN safety barrier 1-2, single-phase isolating transformer 1-3, Switching Power Supply 1-4, intrinsic safety electric source 1-5 and electric current loop safety barrier 1-6; Signal acquisition controller 2 is mine flameproof and intrinsic safety type control cabinets, comprises remote I/O module 2-1, CAN safety barrier 2-2, single-phase isolating transformer 2--3, Switching Power Supply 2-4, intrinsic safety electric source 2-5 and digital quantity input safety barrier 2-6; Sensor 3 comprises planer head run location correcting sensor 3-1, planer head run location correcting sensor 3-2, planer head run location correcting sensor 3-3 and planing length sensor 3-4, and each sensor is all essential safe type sensor.Master controller 1 is connected by CAN bus with signal acquisition controller 2, and 1 li of master controller is provided with control circuit, and 2 li of signal acquisition controllers are provided with signal acquisition circuit.
PLC1-1 in master controller 1 is the core of whole system, be used for analyzing and processing data and under send instructions; The CAN communication port of PLC1-1, by after CAN safety barrier 1-2, is connected with the CAN communication port of signal acquisition controller 2; The electric current loop communication port of PLC1-1, by after electric current loop safety barrier 1-6, is connected with the interface of planer head drive motors.
CAN safety barrier 1-2 in master controller 1 changes into essential safe type CAN communication interface the CAN communication port of PLC1-1, to reach in coal industry standard the requirement about mining information transmission standard; Single-phase isolating transformer 1-3 is placed on the front end of Switching Power Supply 1-4 and intrinsic safety electric source 1-5; Switching Power Supply 1-4 exports DC24V, is used for powering to the electric current loop communication interface of PLC1-1 and PLC1-1; Intrinsic safety electric source 1-5 is used for powering to electric current loop safety barrier 1-6; Electric current loop safety barrier 1-6 changes into essential safe type electric current ring communication interface the electric current loop communication interface of PLC1-1, to reach in coal industry standard the requirement about mining information transmission standard.
Remote I/O module 2-1 in signal acquisition controller 2 is the data processing centre of signal acquisition controller 2, is used for the data of pick-up transducers 3, after analyzing and processing, by CAN bus, gives master controller 1; The CAN communication port of remote I/O module 2-1, by after CAN safety barrier 2-2, is connected with the CAN communication port of master controller 1; Each sensor in sensor 3 is inputted after safety barrier 2-6 by digital quantity, is connected with the digital-quantity input interface of remote I/O module 2-1.
CAN safety barrier 2-2 changes into essential safe type CAN communication interface the CAN communication port of remote I/O module 2-1, to reach in coal industry standard the requirement about mining information transmission standard; Single-phase isolating transformer 2-3 is placed on the front end of Switching Power Supply 2-4 and intrinsic safety electric source 2-5; Switching Power Supply 2-4 exports DC24V, is used for to remote I/O module 2-1 and digital quantity input safety barrier 2-6 power supply; Intrinsic safety electric source 2-5 is used for to each sensor power supply in sensor 3; Each sensor in sensor 3 is connected with the intrinsic safety side of digital quantity input safety barrier 2-6, the non-intrinsic safety side of digital quantity input safety barrier 2-6 is connected with the digital-quantity input interface of remote I/O module 2-1, to reach in coal industry standard the requirement of isolating about intrinsically safe circuit and non-intrinsically safe circuit.
Fig. 3 is second embodiment of the present invention schematic diagram, comprises master controller 1, signal acquisition controller 2, signal acquisition controller 7, sensor 4, sensor 5 and electromagnetic valve 6.
With the main distinction of the first embodiment be, what the electric current loop communication port of the PLC1-1 in master controller 1 connect is the drive motors of handpiece of scraper conveyer, handpiece of scraper conveyer drive motors is connected by connection with tail-driving motor, it is main that head drive motors is set, and master controller 1 can be realized the power-balance of head drive motors and tail-driving motor automatically; What signal acquisition controller 2 gathered is the data of handpiece of scraper conveyer sensor, and what signal acquisition controller 7 gathered is the data of scraper conveyor tail sensor; Master controller 1, signal acquisition controller 2 and signal acquisition controller 7 are connected by CAN bus, each sensing data that signal acquisition controller 2 and signal acquisition controller 7 gathers reaches master controller 1 by CAN bus, the stretching or contract of the Data Control tail of the telescopic machine tail oil cylinder working-pressure sensor that master controller 1 transmits according to signal acquisition controller 7.
Signal acquisition controller 7 is mine flameproof and intrinsic safety type control cabinets, be arranged on conveyer tail, be used for gathering the data of each sensor of handpiece of scraper conveyer, comprise remote I/O module 7-1, CAN safety barrier 7-2, single-phase isolating transformer 7-3, Switching Power Supply 7-4, intrinsic safety electric source 7-5, digital output safety barrier 7-6, analog signal safety barrier 7-7 and temperature signal safety barrier 7-8.
Sensor 4 is arranged on handpiece of scraper conveyer transmission device, comprise cooling water pressure sensor 4-1, cooling water flow quantity sensor 4-2, reducer fuel level sensor 4-3, cooling-water temperature sensor 4-4, reducer oil temperature sensor 4-5, motor bearings temperature pick up 4-6, motor winding temperature sensor 4-7, reducer input shaft temperature pick up 4-8, reducer output shaft temperature pick up 4-9, sprocket wheel left bearing temperature pick up 4-10 and sprocket wheel right bearing temperature pick up 4-11, each sensor is all essential safe type sensor.
Sensor 5 is arranged on scraper conveyor tail transmission device, comprise cooling water pressure sensor 5-1, cooling water flow quantity sensor 5-2, reducer fuel level sensor 5-3, telescopic machine tail oil cylinder working-pressure sensor 5-4, cooling-water temperature sensor 5-5, reducer oil temperature sensor 5-6, motor bearings temperature pick up 5-7, motor winding temperature sensor 5-8, reducer input shaft temperature pick up 5-9, reducer output shaft temperature pick up 5-10, sprocket wheel left bearing temperature pick up 5-11 and sprocket wheel right bearing temperature pick up 5-12, each sensor is all essential safe type sensor.
Electromagnetic valve 6 is used for controlling scraper plate and carries the flexible of telescopic machine tail oil cylinder, comprise that tail oil cylinder stretches electromagnetic valve 6-1 and tail oil cylinder contracting electromagnetic valve 6-2, the stretching or contract of the Data Control tail of the telescopic machine tail oil cylinder working-pressure sensor that master controller 1 transmits according to signal acquisition controller 3.
Fig. 4 is third embodiment of the present invention schematic diagram, comprises master controller 1, signal acquisition controller 2, signal acquisition controller 7, sensor 4, sensor 5 and electromagnetic valve 6.
With the difference of the first embodiment, the second embodiment be, the PLC1-1 in master controller 1 does not arrange electric current loop communication port, but is provided with RS485 communication interface; What signal acquisition controller 2 gathered is the data of handpiece of scraper conveyer sensor 4, and what signal acquisition controller 7 gathered is the data of scraper conveyor tail sensor 5; Master controller 1, signal acquisition controller 2 and signal acquisition controller 7 are connected by CAN bus, and each sensing data that signal acquisition controller 2 and signal acquisition controller 7 gather reaches master controller 1 by CAN bus; Master controller 1 is handpiece of scraper conveyer sensor 4 data and Data Integration scraper conveyor tail sensor 5; then by RS485 communication interface, give three machine control systems; three machine control systems can judge the trouble point of drag conveyor according to the data of master controller 1; and output alarm or stopping signal, the stretching or contract of the Data Control tail of the telescopic machine tail oil cylinder working-pressure sensor that master controller 1 also can transmit according to signal acquisition controller 7.
Claims (7)
1. a coal plough operation control system, it is characterized in that: system mainly comprises master controller (1), signal acquisition controller (2), planing length sensor (3-4), planer head run location correcting sensor (3-1), planer head run location correcting sensor (3-2) and planer head run location correcting sensor (3-3), master controller (1) is arranged near coal plough head drive device, is separately installed with signal acquisition controller (2) near head drive device and tail transmission device;
Planing length sensor (3-4) is arranged on the link of reducer output shaft and sprocket wheel, planer head run location correcting sensor (3-1), planer head run location correcting sensor (3-2) and planer head run location correcting sensor (3-3) are arranged on conveyer intermediate channel and modified line groove, planing length sensor (3-4), planer head run location correcting sensor (3-1), planer head run location correcting sensor (3-2) is connected with signal acquisition controller (2) by cable respectively with planer head run location correcting sensor (3-3), signal acquisition controller (2) is connected with master controller (1) by communication cable,
The calculated signals of signal acquisition controller (2) collection planing length sensor (3-4) goes out the run location of planer head, and according to the calculated value of the signal correction planer head run location of planer head run location correcting sensor (3-1), planer head run location correcting sensor (3-2) and planer head run location correcting sensor (3-3), master controller (1) is controlled the operation of coal plough variable-frequency motor, and the planer head positional information transmitting by signal acquisition controller (2) control variable-frequency motor startup, stop, acceleration, deceleration and commutation etc., thereby the operation that realizes coal plough is controlled.
2. a kind of coal plough operation control system according to claim 1, is characterized in that: system mainly comprises master controller (1), signal acquisition controller (2), planing length sensor (3-4), planer head run location correcting sensor (3-1), planer head run location correcting sensor (3-2) and planer head run location correcting sensor (3-3).
3. a kind of coal plough operation control system according to claim 1, it is characterized in that: planing length sensor (3-4) is arranged on the link of reducer output shaft and sprocket wheel, planer head run location correcting sensor (3-1), planer head run location correcting sensor (3-2) and planer head run location correcting sensor (3-3) be arranged in conveyer intermediate channel and modified line groove on.
4. a kind of coal plough operation control system according to claim 1, it is characterized in that: the calculated signals that signal acquisition controller (2) gathers planing length sensor (3-4) goes out the run location of planer head, and according to the calculated value of the signal correction planer head run location of planer head run location correcting sensor (3-1), planer head run location correcting sensor (3-2) and planer head run location correcting sensor (3-3).
5. a kind of coal plough operation control system according to claim 1, it is characterized in that: master controller (1) is controlled the operation of coal planer plough drive motors, and the startup of the planer head positional information transmitting by signal acquisition controller (2) control planer head drive motors, stop, acceleration, deceleration and commutation etc.
6. a kind of coal plough operation control system according to claim 1, is characterized in that: signal acquisition circuit is in signal acquisition controller (2).
7. a kind of coal plough operation control system according to claim 1, is characterized in that: control circuit and computing circuit are in master controller (1).
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| CN201310301234.5A CN103696768A (en) | 2013-07-09 | 2013-07-09 | Coal planer operation control system |
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| CN201310301234.5A CN103696768A (en) | 2013-07-09 | 2013-07-09 | Coal planer operation control system |
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| CN203626842U (en) * | 2013-07-09 | 2014-06-04 | 中煤张家口煤矿机械有限责任公司 | Coal plough operation control system |
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| GB2092207A (en) * | 1981-01-24 | 1982-08-11 | Dobson Park Ind | Improvements in or relating to mining systems |
| US4934757A (en) * | 1988-03-25 | 1990-06-19 | Gewerkschaft Eisenhutte Westfalia Gmbh | Control of mineral mining machines |
| DE19907344A1 (en) * | 1999-02-20 | 2000-08-31 | Kruno Pranjic | Arrangement for ensuring recovery-optimized position of mining coal face conveyor uses sensors fixing movements of selected charges, sending impulses to data converting control apparatus |
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Application publication date: 20140402 |