CN205721158U - A kind of underground coal mine automatic drainage control device - Google Patents
A kind of underground coal mine automatic drainage control device Download PDFInfo
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- CN205721158U CN205721158U CN201620343666.1U CN201620343666U CN205721158U CN 205721158 U CN205721158 U CN 205721158U CN 201620343666 U CN201620343666 U CN 201620343666U CN 205721158 U CN205721158 U CN 205721158U
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Abstract
This utility model belongs to the technical field of underground coal mine automatic drainage control device；Technical problem to be solved is: provide a kind of underground coal mine automatic drainage control device can automatically monitored shaft sump water level and switch valve body；The technical scheme used is: a kind of underground coal mine automatic drainage control device, including explosion-proof casing and be arranged on the circuit board within explosion-proof casing, circuit board includes: power input unit, filter unit, switch element, main control unit, analog input unit, digital quantity input block, digital output unit, communication unit, main control unit is connected with switch element, analog input unit, digital quantity input block, digital output unit, communication unit respectively, and switch element is connected with power input unit by filter unit；Power input interface, analog input interface, digital-quantity input interface, digital-quantity output interface and communication interface it is provided with on explosion-proof casing；It is applicable to colliery system.
Description
Technical field
This utility model belongs to the technical field of underground coal mine automatic drainage control device.
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, the drainage works in underground coal mine main drain pump room (or claiming Central Pump Room) typically uses traditional manually operated method, the most manually monitor, judge, operate, 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.
Utility model content
This utility model overcomes the deficiency that prior art exists, technical problem to be solved to be: provide a kind of underground coal mine automatic drainage control device that shaft sump water level can be monitored and carry out corresponding automatically controlled valve body and equipment on-off control automatically.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of underground coal mine automatic drainage control device, including explosion-proof casing and be arranged on the circuit board within explosion-proof casing, described circuit board includes: power input unit, filter unit, switch element, main control unit, analog input unit, digital quantity input block, digital output unit, communication unit, described main control unit is connected with described switch element, analog input unit, digital quantity input block, digital output unit, communication unit respectively, and described switch element is connected with power input unit by filter unit；Being provided with power input interface, analog input interface, digital-quantity input interface, digital-quantity output interface and communication interface on described explosion-proof casing, described power input interface, analog input interface, digital-quantity input interface, digital-quantity output interface, communication interface are connected with power input unit, analog input unit, digital quantity input block, digital output unit, communication unit respectively；Described power input interface is connected with external input power, described digital-quantity input interface respectively with the pipeline choosing valves Z being arranged on drainage underground pipeline, pump discharge valve Z3, fluid valve Z5, exhaust-valve Z4, the feedback of status end of high-voltage starter is connected, described analog input interface respectively with the flow transducer S being arranged on drainage underground pipeline, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, the signal output part of liquid level sensor S5 is connected, described digital-quantity output interface respectively with valve control box, the control end of high-voltage starter is connected, the outfan of described high-voltage starter is connected with draining pump；Described communication interface is connected with monitor terminal, and described valve control box is connected with pipeline choosing valves Z, pump discharge valve Z3, fluid valve Z5, the power end of exhaust-valve Z4 respectively.
Preferably, described draining pump is provided with multiple temperature sensor S6, described each temperature sensor S6 to be all connected with analog input interface.
Preferably, described communication interface is RJ45 interface and RS-485 interface, described monitor terminal includes: remote monitoring terminal and downhole monitoring terminal, described RJ45 interface is connected with being arranged on aboveground remote monitoring terminal by switch network, and described RS-485 interface is connected with downhole monitoring terminal.
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 temperature sensor S6 is PT100.
Preferably, the model of described main control unit is CPU1214C.
This utility model compared with prior art has the advantages that
This utility model includes explosion-proof casing and is arranged on the circuit board within explosion-proof casing, by the analog input unit on described circuit board and digital quantity input block, this utility model can be connected with the multiple electromagnetic valves being arranged on discharge pipe line, sensor, and by digital-quantity output interface and valve control box, the connection of high-voltage starter, achieve the start stop operation to electromagnetic valve and draining pump, whole process operation is simple, practical.
Accompanying drawing explanation
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is existing coal mine underground water drainage apparatus structure schematic diagram；
Fig. 2 is electrical block diagram of the present utility model；
Fig. 3 is circuit connection diagram of the present utility model；
In figure: 1 is explosion-proof casing, 2 is power input unit, and 3 is filter unit, and 4 is switch element, 5 is main control unit, 6 is analog input unit, and 7 is digital quantity input block, and 8 is digital output unit, 9 is communication unit, 10 is power input interface, and 11 is analog input interface, and 12 is digital-quantity input interface, 13 is digital-quantity output interface, 14 is communication interface, and 15 is valve control box, and 16 is high-voltage starter, 17 is monitor terminal, 18 is remote monitoring terminal, and 19 is downhole monitoring terminal, and 20 is draining pump.
Detailed description of the invention
As shown in Figure 2 to Figure 3, a kind of underground coal mine automatic drainage control device, including explosion-proof casing 1 be arranged on the circuit board within explosion-proof casing 1, described circuit board includes: power input unit 2, filter unit 3, switch element 4, main control unit 5, analog input unit 6, digital quantity input block 7, digital output unit 8, communication unit 9, described main control unit 5 respectively with described switch element 4, analog input unit 6, digital quantity input block 7, digital output unit 8, communication unit 9 is connected, described switch element 4 is connected with power input unit 2 by filter unit 3；Being provided with power input interface 10, analog input interface 11, digital-quantity input interface 12, digital-quantity output interface 13 and communication interface 14 on described explosion-proof casing 1, described power input interface 10, analog input interface 11, digital-quantity input interface 12, digital-quantity output interface 13, communication interface 14 are connected with power input unit 2, analog input unit 6, digital quantity input block 7, digital output unit 8, communication unit 9 respectively；Described power input interface 10 is connected with external input power, described digital-quantity input interface 12 respectively with the pipeline choosing valves Z being arranged on drainage underground pipeline, pump discharge valve Z3, fluid valve Z5, exhaust-valve Z4, the feedback of status end of high-voltage starter 16 is connected, described analog input interface 11 respectively with the flow transducer S being arranged on drainage underground pipeline, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, the signal output part of liquid level sensor S5 is connected, described digital-quantity output interface 13 respectively with valve control box 15, the control end of high-voltage starter 16 is connected, described outfan is connected with draining pump 20；Described communication interface 14 is connected with monitor terminal 17, and described valve control box 15 is connected with pipeline choosing valves Z, pump discharge valve Z3, fluid valve Z5, the power end of exhaust-valve Z4 respectively.
Specifically, described draining pump 20 is provided with multiple temperature sensor S6, described each temperature sensor S6 to be all connected with analog input interface 11.
Further, described communication interface 14 is RJ45 interface and RS-485 interface, described monitor terminal 17 includes: remote monitoring terminal 18 and downhole monitoring terminal 19, described RJ45 interface is connected with being arranged on aboveground remote monitoring terminal 18 by switch network, and described RS-485 interface is connected with downhole monitoring terminal 19；Described high-voltage starter 16 is connected with main control unit 5 also by communication interface 14, communication unit 9.
The quantity of described temperature sensor S6 is 3, and is respectively used to monitor the motor winding temperature of draining pump 20, motor shaft temperature and pump shaft temperature, and the model of described temperature sensor S6 is PT100, and the model of described main control unit 5 is CPU1214C.
In the present embodiment, described valve control box 15 and high-voltage starter 16 control cable by signal and are connected with digital-quantity output interface 13, controlled valve control box 15, the starting of high-voltage starter 16 or stopping by the main control unit 5 of this control device, and then reach to control all of valve and the starting of draining pump 20, 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 analog input interface 11 by signal cable respectively, described pipeline choosing valves Z, pump discharge valve Z3, fluid valve Z5, exhaust-valve Z4 are all connected by signal cable and digital-quantity input interface 11, its respective status signal is fed back to main control unit 5 by above-mentioned various kinds of sensors and valve body, carries out the foundation of logic control as main control unit 5；Additionally, pipeline choosing valves Z, pump discharge valve Z3, fluid valve Z5, exhaust-valve Z4 are the most all connected by relay and valve control box 15, valve control box 15 control its break-make.
Operation principle of the present utility model is:
Drainage system starting process: liquid level sensor S5 monitoring water bunker level data also feed back to main control unit 5 by analog input unit 6, main control unit 5 controls valve control box 15 and opens fluid valve Z5 → open exhaust-valve Z4 → main control unit 5 and monitor the negative pressure value of B/P EGR Back Pressure Transducer EGR S4, control valve control box 15 and close fluid valve Z5 → closedown exhaust-valve Z4 → main control unit 5 when negative pressure value reaches requirement → main control unit 5 and control high-voltage starter 16 and start draining pump 20 → main control unit 5 and monitor the malleation value of positive pressure sensor S3, reach requirement → main control unit 5 to control valve control box 15 and open pump discharge valve Z3 → beginning pipeline choosing valves Z, so far, whole drainage system starting process completes to start normally to work.
Drainage system stopped process: after drainage system starts, when after water level decreasing to setting value, then needing to quit work, now main control unit 5 controls valve control box 15 and closes pump discharge valve Z3 → main control unit 5 and control high-voltage starter 16 and stop draining pump 20.
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, this utility model has substantive distinguishing features and progress, above in conjunction with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model 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 this utility model objective, various changes can be made.
Claims (6)
1. a underground coal mine automatic drainage control device, it is characterized in that: include explosion-proof casing (1) and be arranged on the circuit board that explosion-proof casing (1) is internal, described circuit board includes: power input unit (2), filter unit (3), switch element (4), main control unit (5), analog input unit (6), digital quantity input block (7), digital output unit (8), communication unit (9), described main control unit (5) respectively with described switch element (4), analog input unit (6), digital quantity input block (7), digital output unit (8), communication unit (9) is connected, described switch element (4) is connected with power input unit (2) by filter unit (3)；Being provided with power input interface (10), analog input interface (11), digital-quantity input interface (12), digital-quantity output interface (13) and communication interface (14) on described explosion-proof casing (1), described power input interface (10), analog input interface (11), digital-quantity input interface (12), digital-quantity output interface (13), communication interface (14) are connected with power input unit (2), analog input unit (6), digital quantity input block (7), digital output unit (8), communication unit (9) respectively；
Described power input interface (10) is connected with external input power, described digital-quantity input interface (12) respectively with the pipeline choosing valves Z being arranged on drainage underground pipeline, pump discharge valve Z3, fluid valve Z5, exhaust-valve Z4, the feedback of status end of high-voltage starter (16) is connected, described analog input interface (11) respectively with the flow transducer S being arranged on drainage underground pipeline, positive pressure sensor S3, B/P EGR Back Pressure Transducer EGR S4, the signal output part of liquid level sensor S5 is connected, described digital-quantity output interface (13) respectively with valve control box (15), the control end of high-voltage starter (16) is connected, the outfan of described high-voltage starter (16) is connected with draining pump (20)；
Described communication interface (14) is connected with monitor terminal (17), and described valve control box (15) is connected with pipeline choosing valves Z, pump discharge valve Z3, fluid valve Z5, the power end of exhaust-valve Z4 respectively.
A kind of underground coal mine automatic drainage control device the most according to claim 1, it is characterised in that: it is provided with multiple temperature sensor S6, described each temperature sensor S6 on described draining pump (20) and is all connected with analog input interface (11).
A kind of underground coal mine automatic drainage control device the most according to claim 1, it is characterized in that: described communication interface (14) is RJ45 interface and RS-485 interface, described monitor terminal (17) including: remote monitoring terminal (18) and downhole monitoring terminal (19), described RJ45 interface is connected with being arranged on aboveground remote monitoring terminal (18) by switch network, and described RS-485 interface is connected with downhole monitoring terminal (19).
A kind of underground coal mine automatic drainage control device 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 (18).
A kind of underground coal mine automatic drainage control device the most according to claim 4, it is characterised in that: the model of described temperature sensor S6 is PT100.
A kind of underground coal mine automatic drainage control device the most according to claim 1, it is characterised in that: the model of described main control unit (5) is CPU1214C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343666.1U CN205721158U (en) | 2016-04-22 | 2016-04-22 | A kind of underground coal mine automatic drainage control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343666.1U CN205721158U (en) | 2016-04-22 | 2016-04-22 | A kind of underground coal mine automatic drainage control device |
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| CN205721158U true CN205721158U (en) | 2016-11-23 |
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| CN201620343666.1U Active CN205721158U (en) | 2016-04-22 | 2016-04-22 | A kind of underground coal mine automatic drainage control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798096A (en) * | 2019-01-16 | 2019-05-24 | 西安科技大学 | Pumping method is let out in pressure on a kind of half-edge coal seam layer-through drilling |
| CN110500133A (en) * | 2019-07-12 | 2019-11-26 | 淮北矿业股份有限公司 | Novel down-hole exploiting field drain control unit |
-
2016
- 2016-04-22 CN CN201620343666.1U patent/CN205721158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798096A (en) * | 2019-01-16 | 2019-05-24 | 西安科技大学 | Pumping method is let out in pressure on a kind of half-edge coal seam layer-through drilling |
| CN110500133A (en) * | 2019-07-12 | 2019-11-26 | 淮北矿业股份有限公司 | Novel down-hole exploiting field drain control unit |
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