CN105843100A - Coal mine underground automatic drainage control system - Google Patents
Coal mine underground automatic drainage control system Download PDFInfo
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- CN105843100A CN105843100A CN201610253597.XA CN201610253597A CN105843100A CN 105843100 A CN105843100 A CN 105843100A CN 201610253597 A CN201610253597 A CN 201610253597A CN 105843100 A CN105843100 A CN 105843100A
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- coal mine
- plc technology
- control system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention belongs to the technical field of coal mine underground automatic drainage control systems, and aims to solve the technical problem of providing a coal mine underground automatic drainage control system with high automation degree. The coal mine underground automatic drainage control system is characterized by comprising a programmable control box arranged underground, a remote monitoring terminal arranged on the ground, a valve control box, a draining valve, a jet flow valve Z5, an emptying valve Z4 and sensors, wherein the programmable control box is connected with the remote monitoring terminal through a network switch; the valve control box, the draining valve, the jet flow valve Z5, the emptying valve Z4 and a signal output end of each sensor are connected with the programmable control box; the draining valve, the jet flow valve Z5 and the emptying valve Z4 are connected with a power supply end of the valve control box; and the programmable control box is connected with a draining pump through a high-voltage starter. The coal mine underground automatic drainage control system is suitable for coal mine systems.
Description
Technical field
The invention belongs to the technical field of underground coal mine Auto-drainage control system.
Background technology
Usually, in progress of coal mining, owing to earth formation is destroyed, exploiting field is connected with reservoir bed, subsoil water can flow into tunnel and work surface, it is susceptible to water inrush accident, the production causing down-hole is hindered, construction safety performance reduces, it is likely to result in major accident time serious, bring grave danger not only to the life security of underground operators, also can cause serious economic loss to enterprise, therefore, need in time the mine hydrops in coal mine roadway under access wall to be drained into earth's surface, it is ensured that the safety in production in colliery.
At present, underground coal mine main drain pump room (or claim Central Pump Room) drainage works typically use manually operated method, as shown in Figure 1, wherein: Z1-Z5 is hand sluice valve, this manually operated method needs to carry out in strict accordance with associated safety management regulation typical structure；Can be seen that from accompanying drawing 1, liquid level sensor LT detects the waterlevel data of sump and data is delivered to control chamber KZ, underground work personnel monitor water bunker level at any time by control chamber KZ, when water level rises to required value, staff should be immediately according to flow process: open water jet valve Z5 → unlatching exhaust-valve Z4 → observation vacuum table M2 → closedown water jet valve Z5 → closedown exhaust-valve Z4 → starting high volt starter QJGZ (and then starting mining wear resistance centrifugal pump) → observation vacuum table M2 → unlatching pump discharge valve Z3 → unlatching pipeline choosing valves Z1(or pipeline choosing valves Z2) operate；When monitoring water level decreasing to required value, staff should be immediately according to flow process: closes pump discharge valve Z3 → stopping high volt starter (and then making mining wear resistance centrifugal pump quit work) and operates.
Find out from aforesaid operations flow process, the work of traditional drainage system under coal mine the most manually monitors, judges, operates, the start and stop of water pump and the switching of discharge pipe line are by being accomplished manually, place one's entire reliance upon the responsibility of workman, the growth rate of unpredictable water level, does not accomplishes, according to water level and other parameter automatic start-stop water pumps, to cause the generation of security incident, therefore, the control system with automatic drainage function is particularly important.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved to be: provide the underground coal mine Auto-drainage control system that a kind of automaticity is higher.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of underground coal mine Auto-drainage control system, including being arranged on the PLC technology case of down-hole and being arranged on the remote monitoring terminal on ground, described PLC technology case is attached with remote monitoring terminal by the network switch；Described control system also includes: valve control box, drain valve, fluid valve Z5, exhaust-valve Z4 and sensor, the signal output part of described valve control box, drain valve, fluid valve Z5, exhaust-valve Z4 and sensor signal input part with described PLC technology case respectively is connected, described drain valve, fluid valve Z5, exhaust-valve Z4 are connected with the power end of valve control box respectively, and described PLC technology case is connected with draining pump by high volt starter.
Preferably, described sensor includes: flow transducer S, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, liquid level sensor S5 and multiple temperature sensor S6, and described flow transducer S, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, liquid level sensor S5 are connected with described PLC technology case respectively with each temperature sensor S6 signal output part.
Preferably, described control system also includes that downhole monitoring terminal, described downhole monitoring terminal are connected with described PLC technology case.
Preferably, described drain valve includes: pipeline choosing valves Z, pump discharge valve Z3；Described pipeline choosing valves Z, pump discharge valve Z3 power end with described valve control box respectively is connected, and described pipeline choosing valves Z, pump discharge valve Z3 control end with described PLC technology case respectively is connected.
Preferably, the quantity of described temperature sensor S6 is 3, and is respectively used to monitor the motor winding temperature of draining pump, motor shaft temperature and pump shaft temperature.
Preferably, the model of described PLC technology case is S7-1200.
The present invention compared with prior art has the advantages that
1, the present invention includes PLC technology case, valve control box, draining control valve and sensor, without manual intervention, the present invention is in starting drainage procedure, can be automatically obtained: open the operation of fluid valve Z5 → unlatching exhaust-valve Z4 → vacuum-degree monitoring → closedown jet Z5 valve → closedown exhaust-valve Z4 → starting draining pump → open drain valve, the present invention is in stopping drainage procedure, the operation of closedown drain valve → stopping draining pump can being automatically obtained, overall process of the present invention is without manual intervention, achieve that according to water level automatic start-stop draining pump, and it is automatically obtained the rotation work of water pump, make rational management, automaticity is high, there is extremely strong practicality.
2, the present invention is all connected with valve control box, high volt starter, drain valve, fluid valve Z5, exhaust-valve Z4 and sensor by PLC technology case, make remote monitoring terminal or downhole monitoring terminal can monitor valve control box and the running parameter of high volt starter and the data of all the sensors in real time and carry out logical judgment, once monitor the exception of any point, PLC technology case will control drainage system and quit work same alarm, and indicating user to overhaul according to reported trouble point, safety is high.
Accompanying drawing explanation
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is existing coal mine underground water drainage apparatus structure schematic diagram；
Fig. 2 is the electrical block diagram of the present invention；
Fig. 3 is the structural representation of the present embodiment；
In figure: 1 is PLC technology case, 2 is remote monitoring terminal, and 3 is the network switch, and 4 is valve control box, and 5 is drain valve, and 6 is sensor, and 7 is high volt starter, and 8 is draining pump, and 9 is downhole monitoring terminal.
Detailed description of the invention
As shown in Figure 2 to Figure 3, a kind of underground coal mine Auto-drainage control system, including being arranged on the PLC technology case 1 of down-hole and being arranged on the remote monitoring terminal 2 on ground, described PLC technology case 1 is attached with remote monitoring terminal 2 by the network switch 3；Described control system also includes: valve control box 4, drain valve 5, fluid valve Z5, exhaust-valve Z4 and sensor 6, the signal output part of described valve control box 4, drain valve 5, fluid valve Z5, exhaust-valve and each sensor 6 signal input part with described PLC technology case 1 respectively is connected, described drain valve 5, fluid valve Z5, exhaust-valve Z4 power end with valve control box 4 respectively is connected, described PLC technology case 1 is connected with draining pump 8 by high volt starter 7, and the model of described PLC technology case 1 is S7-1200.
Specifically, described sensor 6 includes: flow transducer S, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, liquid level sensor S5 and multiple temperature sensor S6, and described flow transducer S, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, liquid level sensor S5 are connected with described PLC technology case 1 respectively with each temperature sensor S6 signal output part；The quantity of described temperature sensor S6 is 3, and is respectively used to monitor the motor winding temperature of draining pump 8, motor shaft temperature and pump shaft temperature；Described drain valve 5 includes: pipeline choosing valves Z and pump discharge valve Z3；Described pipeline choosing valves Z and pump discharge valve Z3 power end with described valve control box 4 respectively is connected, and described pipeline choosing valves Z and pump discharge valve Z3 signal input part with described PLC technology case 1 respectively is connected.
Further, described control system also includes that downhole monitoring terminal 9, described downhole monitoring terminal 9 are connected with described PLC technology case 1.
Due in drainage system under coal mine, typically need to configure two-way discharge pipe line, and at least needing to configure three set draining pumps so that reaching the standard of the using and the reserved one maintenance, the work process of the present invention is only illustrated as a example by 2 discharge pipe lines, a draining pump by the present embodiment.
As shown in Figure 3, the present embodiment comprises 2 discharge pipe lines, it is respectively 1# branch drain and 2# branch drain, described flow transducer is 2, it is respectively flow transducer S1 and flow transducer S2, and flow transducer S1, flow transducer S2 are separately positioned on 1# branch drain, 2# branch drain；Described pipeline choosing valves Z is 2, respectively pipeline choosing valves Z1 and pipeline choosing valves Z2, and pipeline choosing valves Z1 is arranged between main drainpipe road and 1# branch drain, and pipeline choosing valves Z2 is arranged between main drainpipe road and 2# branch drain；In the present embodiment, described positive pressure sensor S3 is arranged on main drainpipe road, and described B/P EGR Back Pressure Transducer EGR S4 and exhaust-valve Z4 is arranged on main drainpipe road and discharges water between pipeline, and described liquid level sensor S5 is arranged in sump；Described fluid valve Z5 is arranged on fluid conduit, and described pump discharge valve Z3 is arranged on main drainpipe road, additionally, be additionally provided with non-return valve H on the main drainpipe road in the present embodiment.
Described valve control box 4 and high volt starter 7 control cable by signal and PLC technology case 1 connects, controlled valve control box 4, the starting of high volt starter 7 or stopping by PLC technology case 1, and then reach to control all of valve and the starting of draining pump 8, the purpose of stopping；Specifically, the signal output part of described flow transducer S1, flow transducer S2, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, liquid level sensor S5 and multiple temperature sensor S6 is connected with PLC technology case 1 by signal cable respectively；Simultaneously, pipeline choosing valves Z1, pump discharge valve Z3, fluid valve Z5, exhaust-valve Z4 are all connected by signal cable and PLC technology case 1, its respective status signal is fed back to PLC technology case 1 by above-mentioned various kinds of sensors and valve body, carries out the foundation of logic control as PLC technology case 1；Additionally, pipeline choosing valves Z1, pump discharge valve Z3, fluid valve Z5, exhaust-valve Z4 the most all connected by service cable and valve control box 4, valve control box 4 provide working power；Further, described valve control box 4, high volt starter 7 are also by the connection with PLC technology case 1, and by the running parameter (such as voltage, electric current, insulation values etc.) of himself, and fault message sends PLC technology case 1 to for monitoring；Simultaneously, effective transmission for ease of data, the described network switch 3 is provided with 2, respectively it is arranged on the switch PBX2 of down-hole and is arranged on the switch PBX1 on ground, described PLC technology case 1 is connected with described switch PBX2 and downhole monitoring terminal 9 with shielding twisted signal cable by netting twine, described switch PBX2 is connected with switch PBX1 by optical fiber, and described switch PBX1 is connected with remote monitoring terminal 2 by netting twine.
The operation principle of the present invention is:
nullDrainage system starting process: liquid level sensor S5 monitoring water bunker level data also feed back to PLC technology case 1，PLC technology case 1 calculates water level growth rate within the unit interval according to real-time data and judges，If not reaching starting value, continue monitoring，If reaching the starting conditions of equipment，Then according to set technological process starting equipment: PLC technology case 1 controls valve control box 4 and opens fluid valve Z5 → open exhaust-valve Z4 → PLC technology case 1 and monitor the negative pressure value of B/P EGR Back Pressure Transducer EGR S4，Control valve control box 4 and close fluid valve Z5 → closedown exhaust-valve Z4 → PLC technology case 1 when negative pressure value reaches requirement → PLC technology case 1 and control high volt starter 7 and start draining pump 8 → PLC technology case 1 and monitor the malleation value of positive pressure sensor S3，Reach requirement → PLC technology case 1 to control valve control box 4 and open pump discharge valve Z3 → beginning pipeline choosing valves Z(pipeline choosing valves Z1 and pipeline choosing valves Z2)，So far，Whole drainage system starting process completes to start normally to work.
Drainage system stopped process: after drainage system starts, the waterlevel data of the real-time level monitoring sensor S5 of PLC technology case 1, when after water level decreasing to setting value, system then needs to quit work, and now PLC technology case 1 is then according to set technological process arrestment: PLC technology case 1 controls valve control box 4 and closes pump discharge valve Z3 → PLC technology case 1 and control high volt starter 7 and stop draining pump 8.
Alarm procedure: the PLC technology case 1 in the present invention, during whole, monitored valve control box 4 and the running parameter of high volt starter 7 and the data of all the sensors the most in real time and carries out logical judgment；As: judge motor temperature or pump shaft temperature whether overtemperature by the data monitoring multiple temperature sensor S6; judge that pressure is the most normal or valve is the most normal by monitoring positive pressure sensor S3, the data of B/P EGR Back Pressure Transducer EGR S4, by monitor the parameter such as valve control box 4 and the voltage of high volt starter 7, electric current, insulation values judge equipment whether overvoltage/undervoltage, transship, the fault such as electric leakage；Any point once monitored has exception, and PLC technology case 1 will control system quit work same alarm, and indicates user to overhaul according to reported trouble point.
In underground drainage system work process, PLC technology case 1 and downhole monitoring terminal 9 communication, drainage system data and state (water level, valve state, the voltage x current etc. of equipment) and fault message are shown intuitively and facilitate user's reference, simultaneously by operation downhole monitoring terminal 9, user also can carry out manual operation to whole drainage system；In underground drainage system work process, PLC technology case 1 and down-hole Ethernet switch PBX2 communication, then the loop network system of mine is accessed by PBX1, thus and the remote monitoring terminal 2 on ground carry out data exchange and sharing, the remote monitoring terminal 2 on ground also can realize the long-range control to underground drainage system by accessing PLC technology case 1.
It is provided with remote control module, Local Control Module and automatic control module in PLC technology case 1 in the present invention, remote control module, Local Control Module are connected with described valve control box 4, high volt starter 7 respectively with automatic control module, described remote control module is connected with remote monitoring terminal 2 by the network switch 3, and described Local Control Module is connected with downhole monitoring terminal 9；In the present embodiment, the control mode of underground coal mine Auto-drainage control system has three kinds, and the first is remotely to control, i.e. the dispatcher on ground realizes the control in this drainage system equipment by the remote monitoring terminal 2 on ground；The second is near-end control, i.e. equipment each in drainage system is controlled by down-hole pump house staff by downhole monitoring terminal 9；The third is to automatically control i.e. PLC technology case 1 to be automatically controlled each equipment in this system according to default logical relation.
In the present embodiment, described liquid level sensor S5 is throw-in type liquid level sensor, and described flow transducer S1, S2 are ultrasonic flow sensor.
To sum up, the present invention has prominent substantive distinguishing features and significantly progress, above in conjunction with accompanying drawing, embodiments of the invention are explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from present inventive concept, various changes can be made.
Claims (6)
1. a underground coal mine Auto-drainage control system, including being arranged on the PLC technology case (1) of down-hole and being arranged on the remote monitoring terminal (2) on ground, described PLC technology case (1) is attached with remote monitoring terminal (2) by the network switch (3)；
It is characterized in that: described control system also includes: valve control box (4), drain valve (5), fluid valve Z5, exhaust-valve Z4 and sensor (6), the signal output part of described valve control box (4), drain valve (5), fluid valve Z5, exhaust-valve Z4 and sensor (6) signal input part with described PLC technology case (1) respectively is connected, described drain valve (5), fluid valve Z5, exhaust-valve Z4 power end with valve control box (4) respectively is connected, and described PLC technology case (1) is connected with draining pump (8) by high volt starter (7).
A kind of underground coal mine Auto-drainage control system the most according to claim 1, it is characterized in that: described sensor (6) including: flow transducer S, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, liquid level sensor S5 and multiple temperature sensor S6, described flow transducer S, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, liquid level sensor S5 are connected with described PLC technology case (1) respectively with each temperature sensor S6 signal output part.
A kind of underground coal mine Auto-drainage control system the most according to claim 1, it is characterised in that: described control system also includes that downhole monitoring terminal (9), described downhole monitoring terminal (9) are connected with described PLC technology case (1).
A kind of underground coal mine Auto-drainage control system the most according to claim 1, it is characterised in that: described drain valve (5) including: pipeline choosing valves Z, pump discharge valve Z3；Described pipeline choosing valves Z, pump discharge valve Z3 power end with described valve control box (4) respectively is connected, and described pipeline choosing valves Z, pump discharge valve Z3 control end with described PLC technology case (1) respectively is connected.
A kind of underground coal mine Auto-drainage control system the most according to claim 2, it is characterised in that: the quantity of described temperature sensor S6 is 3, and is respectively used to monitor motor winding temperature, motor shaft temperature and the pump shaft temperature of draining pump (8).
A kind of underground coal mine Auto-drainage control system the most according to claim 1, it is characterised in that: the model of described PLC technology case (1) is S7-1200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253597.XA CN105843100A (en) | 2016-04-22 | 2016-04-22 | Coal mine underground automatic drainage control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253597.XA CN105843100A (en) | 2016-04-22 | 2016-04-22 | Coal mine underground automatic drainage control system |
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| CN105843100A true CN105843100A (en) | 2016-08-10 |
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| CN201610253597.XA Pending CN105843100A (en) | 2016-04-22 | 2016-04-22 | Coal mine underground automatic drainage control system |
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| CN106194253A (en) * | 2016-08-31 | 2016-12-07 | 北京和利时智能技术有限公司 | Transfer sump integration drainage system under a kind of mine |
| CN108037728A (en) * | 2017-12-29 | 2018-05-15 | 山东东山新驿煤矿有限公司 | A kind of mine automates drainage control system |
| CN109098253A (en) * | 2018-08-28 | 2018-12-28 | 山东中车华腾环保科技有限公司 | Vacuum drainage control device and low-pressure drainage system with remote monitoring function |
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Inventor after: Shen Huabo Inventor after: Chen Xinyong Inventor after: Zhao Xuliang Inventor after: Fan Sufang Inventor after: Wei Baoyu Inventor after: Chen Da Inventor after: Feng Junting Inventor after: Fan Sufeng Inventor before: Shen Huabo Inventor before: Zhao Xuliang Inventor before: Fan Sufang Inventor before: Wei Baoyu Inventor before: Chen Da |
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Application publication date: 20160810 |