CN203067252U - Underground coal mine water injection pump intelligent control system based on programmable logic controller (PLC) - Google Patents
Underground coal mine water injection pump intelligent control system based on programmable logic controller (PLC) Download PDFInfo
- Publication number
- CN203067252U CN203067252U CN 201220738018 CN201220738018U CN203067252U CN 203067252 U CN203067252 U CN 203067252U CN 201220738018 CN201220738018 CN 201220738018 CN 201220738018 U CN201220738018 U CN 201220738018U CN 203067252 U CN203067252 U CN 203067252U
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- Prior art keywords
- water injection
- plc
- injection pump
- control system
- coal mine
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- Expired - Fee Related
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Abstract
The utility model discloses an underground coal mine water injection pump intelligent control system based on a programmable logic controller (PLC). The underground coal mine water injection pump intelligent control system based on the PLC comprises an explosion-proof shell and a control circuit, wherein the control circuit comprises the PLC which is connected with a power supply module, input ends of the PLC are respectively connected with a water injection pressure sensor, a water injection flow rate sensor, a water injection time meter and a motor rotating speed measuring device through an analogue-to-digital (A / D) converter, output ends of the PLC are respectively connected with a solenoid valve and a motor, the motor is connected with a water injection pump, one input end of the PLC is also connected with an instruction input module, and one output end of the PLC is also connected with a display device. According to the underground coal mine water injection pump intelligent control system based on the PLC, detection signals of all the sensors are transmitted to a signal processing unit, and after being converted in an A / D mode, the detection signals are sent to the input ends of the PLC; and through computing of the PLC, information is sent to an actuator according to the set water injection pressure, the set water injection amount and the set water injection time, the actuator adjusts the open degree of the solenoid valve and the rotating speed of the motor, and therefore an unattended mode of the water injection pump is realized.
Description
Technical field:
The utility model relates to a kind of colliery flood pattern, particularly relates to a kind of based on water injection pump intelligent control system under the coal mine of PLC.
Background technique:
The coal mining working surface is in the coal mining process, coal winning machine breaks coal, coal breakage, scraper conveyor fortune coal and hydraulic support and moves the very big coal dust of meeting generation in the frame process, bring occupation disease such as pneumoconiosis to the workman, also can the acceleration equipment abrasion, more can bring safety in production hidden danger.In order to suppress coal dust, improve the working surface operating environment, adopting coal-bed flooding is the most effective one of means at present.The capital equipment of coal dust water filling is exactly water injection pump, and water injection pump all is to adopt a people to record the water filling data by hand in the water filling operation process at present; one people is responsible for field maintenance; because working surface light is bad, usually mistake can occur for the hand-kept data, also has the problem of waste of manpower in addition.
The model utility content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of simple in structure, easy to use, data accurately and reliably and can control automatically based on water injection pump intelligent control system under the coal mine of PLC.
The technical solution of the utility model is: a kind of based on water injection pump intelligent control system under the coal mine of PLC, contain explosion-resistant enclosure and control circuit, described control circuit comprises the PLC controller, described PLC controller is connected with power module, the input end of described PLC controller by A/D converter respectively with the water injection pressure sensor, the injection flow sensor, the water injection time timer is connected with the motor speed analyzer, the output terminal of described PLC controller is connected with motor with solenoid valve respectively, described motor is connected with water injection pump, and the input end of described PLC controller is also distinguished the and instruction load module with output terminal and is connected with display device.
Described PLC controller interconnects by communication module and upper-position unit.Described display device is nixie tube display device or liquid crystal display.
The beneficial effects of the utility model are:
1, the utility model after the A/D conversion, sends to the input end of PLC controller by data such as the pressure of motor speed, water filling, injection flow are sent to signal processing unit by sensor separately; Calculate through PLC, according to water injection pressure, water injection rate, the water injection time set, send information to actuator, actuator adjusts aperture and the motor speed of solenoid valve, thereby realizes the water injection pump unmanned.
2, the utility model water injection pump comes work according to the water injection parameter of setting automatically, records the water filling data simultaneously, has reduced the post worker like this, improve economic benefit of enterprises, and record data accurately and reliably, reduced the error rate of water filling data logging.
3, the utility model PLC controller is connected with upper-position unit by communication module, makes Surveillance center can monitor the operation of water injection pump constantly, and can send regulation and control instruction at any time, with the effectively operation rationally of better control water injection pump.
4, the utility model by instruction input module set water injection pressure, water injection rate, water injection time and
Carry out system initialization, control conveniently.
5, simple in structure, easy to use, the data of the utility model accurately and reliably and can control automatically, it is applied widely, is easy to promotion and implementation, has good economic benefit.
Description of drawings:
Fig. 1 is the structural representation based on water injection pump intelligent control system under the coal mine of PLC.
Embodiment:
Embodiment: referring to Fig. 1, among the figure, 1-power module, 2-instruction input module, 3-water injection pressure sensor, 4-injection flow sensor, 5-water injection time timer, 6-motor speed analyzer, 7-motor, 8-solenoid valve, the 9-communication module, 10-upper-position unit, 11-display device, 12-PLC controller.
Contain explosion-resistant enclosure and control circuit based on water injection pump intelligent control system under the coal mine of PLC, control circuit comprises PLC controller 12, PLC controller 12 is connected with power module 1, wherein: the input end of PLC controller 12 by A/D converter respectively with water injection pressure sensor 3, injection flow sensor 4, water injection time timer 5 is connected with motor speed analyzer 6, the output terminal of PLC controller 12 is connected with motor 7 with solenoid valve 8 respectively, motor 7 is connected with water injection pump, and the input end of PLC controller 12 is also distinguished and instruction load module 2 with output terminal and is connected with display device 11.
During work, water injection pressure sensor 3, injection flow sensor 4, water injection time timer 5 and motor speed analyzer 6 are sent to signal processing unit with the information of monitoring, after the A/D conversion, send to the input end of PLC controller 12; Calculate through PLC, according to water injection pressure, water injection rate, the water injection time set, send information to actuator, actuator adjusts aperture and motor 7 rotating speeds of solenoid valve 8, reaching suitable water filling demand, thereby realize water injection pump unmanned, operation automatically, the function of record data automatically.
In addition, information such as water injection pressure, water injection rate, water injection time show by display device 11.Set water injection pressure, water injection rate, water injection time and carry out system initialization by instruction input module 2.
The above only is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction, and any simple modification that every foundation technical spirit of the present utility model is done all still belongs in the scope of technical solutions of the utility model.
Claims (3)
1. one kind based on water injection pump intelligent control system under the coal mine of PLC, contain explosion-resistant enclosure and control circuit, described control circuit comprises the PLC controller, described PLC controller is connected with power module, it is characterized in that: the input end of described PLC controller by A/D converter respectively with the water injection pressure sensor, the injection flow sensor, the water injection time timer is connected with the motor speed analyzer, the output terminal of described PLC controller is connected with motor with solenoid valve respectively, described motor is connected with water injection pump, and the input end of described PLC controller is also distinguished the and instruction load module with output terminal and is connected with display device.
2. according to claim 1 based on water injection pump intelligent control system under the coal mine of PLC, it is characterized in that: described PLC controller interconnects by communication module and upper-position unit.
3. according to claim 2 based on water injection pump intelligent control system under the coal mine of PLC, it is characterized in that: described display device is nixie tube display device or liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738018 CN203067252U (en) | 2012-12-28 | 2012-12-28 | Underground coal mine water injection pump intelligent control system based on programmable logic controller (PLC) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738018 CN203067252U (en) | 2012-12-28 | 2012-12-28 | Underground coal mine water injection pump intelligent control system based on programmable logic controller (PLC) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067252U true CN203067252U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220738018 Expired - Fee Related CN203067252U (en) | 2012-12-28 | 2012-12-28 | Underground coal mine water injection pump intelligent control system based on programmable logic controller (PLC) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067252U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529798A (en) * | 2013-10-22 | 2014-01-22 | 煤科集团沈阳研究院有限公司 | Intelligent control system for coal mine water chilling unit |
| CN105471348A (en) * | 2015-12-19 | 2016-04-06 | 中国石油天然气股份有限公司 | Squirrel-cage-shaped motor driven water injection pump load start pressure-stabilizing water injection apparatus |
| CN107390654A (en) * | 2017-07-27 | 2017-11-24 | 中国神华能源股份有限公司 | A kind of control system of mine pumping plant |
| CN109505761A (en) * | 2017-09-14 | 2019-03-22 | 米顿罗有限责任公司 | The automatic starting of the perfusion program of metering pump |
-
2012
- 2012-12-28 CN CN 201220738018 patent/CN203067252U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529798A (en) * | 2013-10-22 | 2014-01-22 | 煤科集团沈阳研究院有限公司 | Intelligent control system for coal mine water chilling unit |
| CN103529798B (en) * | 2013-10-22 | 2016-04-13 | 煤科集团沈阳研究院有限公司 | Colliery handpiece Water Chilling Units intelligent control system |
| CN105471348A (en) * | 2015-12-19 | 2016-04-06 | 中国石油天然气股份有限公司 | Squirrel-cage-shaped motor driven water injection pump load start pressure-stabilizing water injection apparatus |
| CN107390654A (en) * | 2017-07-27 | 2017-11-24 | 中国神华能源股份有限公司 | A kind of control system of mine pumping plant |
| CN109505761A (en) * | 2017-09-14 | 2019-03-22 | 米顿罗有限责任公司 | The automatic starting of the perfusion program of metering pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20131228 |