CN103047122A - Water pump control device for sewage pumping station and control method of water pump control device - Google Patents
Water pump control device for sewage pumping station and control method of water pump control device Download PDFInfo
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- CN103047122A CN103047122A CN2012105776683A CN201210577668A CN103047122A CN 103047122 A CN103047122 A CN 103047122A CN 2012105776683 A CN2012105776683 A CN 2012105776683A CN 201210577668 A CN201210577668 A CN 201210577668A CN 103047122 A CN103047122 A CN 103047122A
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Abstract
The invention discloses a water pump control device for a sewage pumping station and a control method of the water pump control device. The control device comprises a soft-start sewage pump, a variable-frequency sewage pump, an industrial personal computer and a PLC (programmable logical controller) control unit. The industrial personnel computer and the PLC control unit exchange messages through an Ethernet switch, the industrial personnel computer records operation conditions of the pumping station in real time and displays operation information of the sewage pumping station through a liquid crystal display, and the PLC control unit controls the soft-start sewage pump and the variable-frequency sewage pump through a sewage pump control cabinet. Start and stop of the sewage pumps are controlled according to the principle of approximate accumulated operation time, and reliability and safety in operation of the whole water pump control device can be effectively guaranteed.
Description
Technical field
The present invention relates to a kind of sewage pumping station pump control unit and controlling method thereof, belong to the sewage control field.
Background technique
For protection of the environment, reduce water and pollute, general city all has the sewage pipe network that dams, and discharges after sewage treatment works processes delivering to behind industrial sewage and the Domestic sewage collecting again.Be in the dam pumping plant of pipe network end of sewage, its cesspool capacity is large, the sewage pump capacity is large and number of units is more (general six to eight).Traditional manual control method can not satisfy safety, the economical operation of pumping plant, and the automatic control of pumping plant becomes inevitable choice.Mention content or not detailed, the more detailed practical operation situation that does not take into full account again pumping plant of pumping plant control in the existing document, its method can not satisfy the actual motion requirement of pumping plant.In the ordinary course of things, the water level of sewage is not high in the cesspool, only needs to keep a small amount of sewage pump work to meet the demands.But when heavy rain, the discharge of sewage several times of may increasing sharply need a plurality of sewage pump co-operation just can satisfy the demand.A plurality of sewage pumps are when scheduling, and some accumulative total operating time is very long, but also might work on, thereby easy initiating failure causes sewage in time not discharge.Environment is abominable in the sewage pumping station, the smell is awful, and is not suitable for the staff and works long hours.
Summary of the invention
Goal of the invention: the present invention proposes a kind of sewage pumping station pump control unit and controlling method thereof, and it can control the operation of sewage pump automatically, realizes safety, the economical operation of pump, can be by manually realizing the control of sewage pump when automatic control system is unusual.
Technological scheme: the technical solution used in the present invention is a kind of sewage pumping station pump control unit, comprise many soft start sewage pumps and two frequency conversion sewage pumps, also comprise process control machine, PLC control unit, pass through the Ethernet switch exchange message between process control machine and the PLC control unit, the runnability of process control machine real time record pumping plant, and by liquid crystal display demonstration sewage pumping station operation information, the PLC control unit is by sewage pump control cabinet control soft start sewage pump and frequency conversion sewage pump.
Further improvement as this device also comprises the printer that is connected with process control machine, can be easily the information of process control machine be printed.Can also be included as process control machine, liquid crystal display, printer and Ethernet switch provides the ups power of uninterrupted electric power, improves the reliability of whole device.
A kind of sewage pumping station water pump controlling method may further comprise the steps:
1) when the cesspool water level rises to a water pump of need startup, starts the shortest frequency conversion sewage pump of accumulated running time.
2) after the frequency conversion sewage pump is operated at full capacity, if water level continues to rise to when need starting two pumps, an accumulative total of soft start the shortest soft start sewage pump of operating time then.
3) if water level continues to rise to when needing to start the 3rd water pump, then continue soft start accumulative total the shortest soft start sewage pump of operating time, the rest may be inferred, until water level begins to descend.
4) after water level begins to descend, at first reduce frequency conversion sewage pump rotating speed, when rotating speed be down to minimum after, if water level still continues to drop to when needing to stop transport a water pump, then close down an accumulative total the longest soft start sewage pump of operating time.
5) if water level still continues to drop in the time of need stopping transport a water pump again after closing down, then continue to close down an accumulative total the longest soft start sewage pump of operating time, until only remain a frequency conversion sewage pump.
6) the frequency conversion sewage pump to keep water level steady, if water level still descends when transferring to minimum speed, then cuts out the frequency conversion sewage pump according to SEA LEVEL VARIATION situation adjusting rotary speed.
Beneficial effect: the present invention is by the unlatching of accumulated running time principle close to each other control sewage pump and close down, and can effectively guarantee whole device reliability of operation and Security.
Description of drawings
Fig. 1 is the structural representation of a kind of sewage pumping station pump control unit of the present invention;
Fig. 2 is the flow chart of a kind of sewage pumping station water pump of the present invention controlling method.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiments only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As shown in Figure 1, each sewage pump can be set to respectively the automatic or manual mode of operation in this device, process control machine 1 reads in the PLC control unit 6 information about each sewage pump working state by Ethernet switch 5, and water level information, and is presented on the liquid crystal display 2.Process control machine 1 can also print or preserve the information that obtains as required.Ups power 3 provides uninterrupted electric power for process control machine 1, liquid crystal display 2, printer 4 and Ethernet switch 5.The staff can set specific works in manual or automatic operation mode by process control machine 1.When being operated in automatic mode, PLC control unit 6 is responsible for the unlatching of control frequency conversion sewage pump 9, frequency conversion sewage pump 10 and several soft start sewage pumps 8 and is stopped.Generally speaking, only have frequency conversion sewage pump 9 and another frequency conversion sewage pump 9 alternations, shut down after 15 days when 9 continuous operations of frequency conversion sewage pump, worked on by another frequency conversion sewage pump 9, so alternately back and forth.Other soft start sewage pump 8 is by the unlatching of accumulated running time principle close to each other control soft start sewage pump and close down.
When the cesspool water level rises to a water pump of need startup, PLC control unit 6 starts short frequency conversion sewage pump of accumulated running time through sewage pump control cabinet 7, PLC control unit 6 is regulated the rotating speed of frequency conversion sewage pump 9 to keep water level steady according to the SEA LEVEL VARIATION situation after starting by sewage pump control cabinet 7.If oepration at full load of frequency conversion sewage pump 9, but still can't satisfy the draining needs time, PLC control unit 6 is through one of sewage pump control cabinet 7 soft start the shortest soft start sewage pump 8 of accumulated running time.If water level continues to increase in the time of need restarting pump, then continue again one of soft start the shortest soft start sewage pump 8 of accumulated running time, by that analogy.When water level began to reduce, PLC control unit 6 at first reduced the rotating speed of frequency conversion sewage pump 9 by sewage pump control cabinet 7.When if frequency conversion sewage pump 9 is in minimum speed, water level still continues to descend, then PLC control unit 6 transfers to maximum with the rotating speed of frequency conversion sewage pump 9 first by sewage pump control cabinet 7, then finds out the longest pump of accumulated running time in the soft start sewage pump 8 that has moved, and stops its operation.By that analogy, until all sewage pumps 8 all close.When only a surplus frequency conversion sewage pump 9 was worked, PLC control unit 6 can according to the SEA LEVEL VARIATION situation, be regulated the rotating speed of frequency conversion sewage pumps to keep water level steady by sewage pump control cabinet 7.If water level still descends when transferring to minimum speed, then close frequency conversion sewage pump 9.
Manual mode is mainly used in certain pump and fault occurs, convenient debugging when manually overhauling.When certain pump is set to manual module, under this pattern, can be by manually opening on the sewage pump control cabinet/stop the start and stop of fingertip control pump, pump no longer is subjected to the control of PLC control unit 6, but PLC control unit 6 still can obtain the correlation behavior of this pump.
A kind of sewage pumping station water pump controlling method may further comprise the steps:
1) when the cesspool water level rises to a water pump of need startup, starts the shortest frequency conversion sewage pump of accumulated running time.
2) after the frequency conversion sewage pump is operated at full capacity, if water level continues to rise to when need starting two pumps, an accumulative total of soft start the shortest soft start sewage pump of operating time then.
3) if water level continues to rise to when needing to start the 3rd water pump, then continue soft start accumulative total the shortest soft start sewage pump of operating time, the rest may be inferred, until water level begins to descend.
4) after water level begins to descend, at first reduce frequency conversion sewage pump rotating speed, when rotating speed be down to minimum after, if water level still continues to drop to when needing to stop transport a water pump, then close down an accumulative total the longest soft start sewage pump of operating time.
5) if water level still continues to drop in the time of need stopping transport a water pump again after closing down, then continue to close down an accumulative total the longest soft start sewage pump of operating time, until only remain a frequency conversion sewage pump.
6) the frequency conversion sewage pump to keep water level steady, if water level still descends when transferring to minimum speed, then cuts out the frequency conversion sewage pump according to SEA LEVEL VARIATION situation adjusting rotary speed.
Claims (4)
1. sewage pumping station pump control unit, comprise soft start sewage pump and frequency conversion sewage pump, it is characterized in that, also comprise process control machine, PLC control unit, pass through the Ethernet switch exchange message between process control machine and the PLC control unit, the runnability of process control machine real time record pumping plant, and by liquid crystal display demonstration sewage pumping station operation information, the PLC control unit is by sewage pump control cabinet control soft start sewage pump and frequency conversion sewage pump.
2. sewage pumping station pump control unit according to claim 1 is characterized in that, also comprises the printer that is connected with process control machine.
3. sewage pumping station pump control unit according to claim 1 is characterized in that, also is included as the ups power that process control machine, liquid crystal display, printer and Ethernet switch provide uninterrupted electric power.
4. a sewage pumping station water pump controlling method is characterized in that, may further comprise the steps:
1) when the cesspool water level rises to a water pump of need startup, starts the shortest frequency conversion sewage pump of accumulated running time;
2) after the frequency conversion sewage pump is operated at full capacity, if water level continues to rise to when needing to start two pumps, then start an accumulative total the shortest soft start sewage pump of operating time;
3) if water level continues to rise to when needing to start the 3rd water pump, then continue soft start accumulative total the shortest soft start sewage pump of operating time, the rest may be inferred, until water level begins to descend;
4) after water level begins to descend, at first reduce frequency conversion sewage pump rotating speed, when rotating speed be down to minimum after, if water level still continues to drop to when needing to stop transport a water pump, then close down an accumulative total the longest soft start sewage pump of operating time;
5) if water level still continues to drop in the time of need stopping transport a water pump again after closing down, then continue to close down an accumulative total the longest soft start sewage pump of operating time, until only remain a frequency conversion sewage pump;
6) the frequency conversion sewage pump to keep water level steady, if water level still descends when transferring to minimum speed, then cuts out the frequency conversion sewage pump according to SEA LEVEL VARIATION situation adjusting rotary speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105776683A CN103047122A (en) | 2012-12-27 | 2012-12-27 | Water pump control device for sewage pumping station and control method of water pump control device |
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| CN2012105776683A CN103047122A (en) | 2012-12-27 | 2012-12-27 | Water pump control device for sewage pumping station and control method of water pump control device |
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| CN103047122A true CN103047122A (en) | 2013-04-17 |
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| CN2012105776683A Pending CN103047122A (en) | 2012-12-27 | 2012-12-27 | Water pump control device for sewage pumping station and control method of water pump control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544391A (en) * | 2017-09-25 | 2018-01-05 | 南京律智诚专利技术开发有限公司 | Oil well surveillance equipment timesharing management system |
| CN107743215A (en) * | 2017-09-25 | 2018-02-27 | 南京律智诚专利技术开发有限公司 | On-site monitoring equipment operating time control method |
| CN108194340A (en) * | 2018-02-27 | 2018-06-22 | 扬州市洁源排水有限公司 | A kind of sewage pump start-up and shut-down control strategy |
| CN109634200A (en) * | 2018-11-30 | 2019-04-16 | 邯郸市邯钢集团信达科技有限公司 | A kind of timing sequence control method counting realization multiple devices |
| CN109886542A (en) * | 2019-01-15 | 2019-06-14 | 新奥数能科技有限公司 | A kind of equipment is had holidays by turns recommended method, device, readable medium and electronic equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544391A (en) * | 2017-09-25 | 2018-01-05 | 南京律智诚专利技术开发有限公司 | Oil well surveillance equipment timesharing management system |
| CN107743215A (en) * | 2017-09-25 | 2018-02-27 | 南京律智诚专利技术开发有限公司 | On-site monitoring equipment operating time control method |
| CN108194340A (en) * | 2018-02-27 | 2018-06-22 | 扬州市洁源排水有限公司 | A kind of sewage pump start-up and shut-down control strategy |
| CN109634200A (en) * | 2018-11-30 | 2019-04-16 | 邯郸市邯钢集团信达科技有限公司 | A kind of timing sequence control method counting realization multiple devices |
| CN109634200B (en) * | 2018-11-30 | 2021-09-24 | 邯郸市邯钢集团信达科技有限公司 | Method for realizing timing sequence control of multiple devices by counting |
| CN109886542A (en) * | 2019-01-15 | 2019-06-14 | 新奥数能科技有限公司 | A kind of equipment is had holidays by turns recommended method, device, readable medium and electronic equipment |
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Application publication date: 20130417 |