CN202689105U - Tap water booster pump station pipe network excess pressure water storage control device - Google Patents
Tap water booster pump station pipe network excess pressure water storage control device Download PDFInfo
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- CN202689105U CN202689105U CN2012203595890U CN201220359589U CN202689105U CN 202689105 U CN202689105 U CN 202689105U CN 2012203595890 U CN2012203595890 U CN 2012203595890U CN 201220359589 U CN201220359589 U CN 201220359589U CN 202689105 U CN202689105 U CN 202689105U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model discloses a tap water booster pump station pipe network excess pressure water storage control device which relates to an industrial control device. The water storage control device comprises a PLC (Programmable Logic Controller) control system, a pressure transmitter, an electric regulating valve and an operation panel, wherein the PLC control system comprises a CPU (Central Processing Unit) module, a power module, an Ethernet communication module, an analog quantity input module I, an analog quantity input module II and an analog quantity output module, and the power module, the Ethernet communication module, the analog quantity input module I, the analog quantity input module II and the analog quantity output module are respectively connected with the CPU module; the pressure transmitter is arranged on a pipe wall at the outer side of a pipeline of a higher-lever tap water pipe network and connected with the analog quantity input module I; the electric regulating valve is arranged in a pipeline between the higher-lever tap water pipe network and a reservoir, an output end of the electric regulating valve is connected with the analog quantity input module II, and an input end of the electric regulating valve is connected with the analog quantity output module; and the operation panel is connected with the Ethernet communication module. The tap water booster pump station pipe network excess pressure water storage control device can be used for achieving the purpose of high-precision constant pressure control and improving the water supply safety of users and has the advantages of high automation degree and reliability, simple operation and the like.
Description
Technical field
The utility model relates to a kind of industrial control device, particularly a kind of tap water pipe network overbottom pressure water-storage controller.
Background technology
In the tap water supply, water low peak period and water use peak phase there is every day.In the time of the water low peak period, user's water is few, and the ductwork pressure demand is low; When water use peak in the time of the phase, user's water is many, and the ductwork pressure demand is high.And because the restriction of pipe network pipeline physical characteristic, higher level's tap water pipe network pressure can not boost according to the high low peak period of water, higher level's tap water pipe network output can significantly not strengthen output according to the high low peak period of water, so ductwork pressure is higher than requirements when low peak period having occurred, the pressure waste; Ductwork pressure is lower than requirements during the peak period, insufficient pressure.In order to guarantee pipe network water supply pressure, behind long-distance pipe, arrange booster station that tap water is pressurizeed, also in booster station, arrange reservoir in addition, the inlet valve of opening higher level's tap water pipe network side when being used for low peak period enters reservoir by water and carries out retaining, does one of interim water source and pressurized source from reservoir toward extracardiac pumping during the peak period.
Because inlet valve is in higher level's tap water pipe network side, can cause higher level's tap water pipe network pressure drop in the time of valve open; If it is too large that valve is opened, higher level's tap water pipe network pressure can descend too large, and the pressure that offers the current needs of pressurizing point can be not enough, affects pressurizing point to the water supply effect of subordinate's pipe network.The water inlet control of most reservoir all is to adopt Artificial Control, manually opens inlet valve in the time of low peak period, shuts inlet valve in the time of the peak period.Because adopt Artificial Control, valve opening is decided by workman's experience fully, so aperture opens hour, makes the retaining Speed Reduction, makes the peak period come water available in the haffir inadequate; Aperture is opened when large, thereby causes the force (forcing) pump load in the pressurizing point to strengthen the waste electric energy, even occurs and can not provide enough water yields to subordinate's pipe network, affects user's water; And the subordinate pressure demand can not make respective change when changing at once, makes the retaining best results.
The utility model content
The purpose of this utility model is during for the retaining of prior art overbottom pressure because the pressurization effect that causes by manual adjustment is undesirable or affect the user and use water problem, provides that a kind of effect, Effective Raise user water supply security, energy consumption that can reach the high-accuracy and constant pressure-controlled is low, automaticity and reliability Tap Water Pressure Station remaining pressure of piping system water-storage controller high, simple to operate.
The technical scheme that the utility model adopts for achieving the above object is: a kind of Tap Water Pressure Station remaining pressure of piping system water-storage controller, this water-storage controller comprises the PLC control system, pressure transmitter, electric control valve and guidance panel, the PLC control system comprises CPU module and the power module that is connected with the CPU module respectively, the ethernet communication module, analog input module I, analog input module II, analog output module, pressure transmitter is installed on the outside tube wall of the pipeline between higher level's tap water pipe network and the force (forcing) pump, the output of pressure transmitter is connected with the input of analog input module I, electric control valve is installed in the pipeline between higher level's tap water pipe network and the reservoir, the output of electric control valve is connected with the input of analog input module II, analog input module I, analog input module II is connected with the CPU module by core bus, analog output module is connected with the CPU module by core bus, the output of analog output module is connected with the input of electric control valve, and guidance panel is connected with the ethernet communication module.
Wherein said analog input module I is 8 tunnel 12 4-20mA 2 lines analog quantity input modules processed, and pressure transmitter is 2 lines 4-20mA pressure transmitters processed, and pressure transmitter is connected with analog input module I input by 2 core cables.
Wherein said analog input module II is 8 tunnel 12 4-20mA 4 lines analog quantity input modules processed, and the output of electric control valve is connected with analog input module II input by multicore cable.
Wherein said power module is the DC24V DC power supplier.
Wherein said PLC control system is the S7-300 series of PLC, and the CPU module is CPU315-2DP, and power module is PS307, and the ethernet communication mould is CP343-1 Lean, and analog input module I, analog input module II and analog output module are SM331.
Have following beneficial effect owing to having adopted said apparatus, the utility model to compare with existing other similar technology:
1, improves user's water supply security
After using the Tap Water Pressure Station remaining pressure of piping system water-storage controller of the utility model, owing to gathering the CPU module that higher level's tap water pipe network pressure signal is passed to the PLC control system by pressure transmitter, the CPU module is according to the aperture of pressure automatic control electric control valve, make booster station higher level tap water pipe network stable water pressure, stopped aperture and opened when large, caused and cross low because of intake pressure in the pressurizing point or amount of inlet water is not enough causes the not enough water supply security problem that causes of subordinate's pipe network water supply.
2, can reach the effect of high-accuracy and constant pressure-controlled
In the Tap Water Pressure Station remaining pressure of piping system water-storage controller of the utility model, be connected by analog input module II between electric control valve and the CPU module, obtain electric control valve work at present status information (being the current aperture of electric control valve), by guidance panel the pressure controlling value is set, the control parameter foundation of fuzzy PID algorithm when processing as the pressure control information; Pressure transmitter is sent standard signal into analog input module I after gathering higher level's tap water pipe network force value, analog input module I is given signal the CPU module again, the PLC control system is exported to electric control valve with control signal and then the motorized adjustment valve opening is controlled by analog output module after by the fuzzy computing, the experiment proved that in running, overshoot pressure can be above 3% of force value is set.
3, the frequency conversion Energy Intensity Reduction of pressurizing point
In the Tap Water Pressure Station remaining pressure of piping system water-storage controller of the utility model, owing to adopting automatically control, can not cause because of control valve opening excessively, force (forcing) pump intake pressure in the pressurizing point is low to cause load to strengthen the waste electric energy thereby make.
4, automaticity and reliability are high, simple to operate
Use the Tap Water Pressure Station remaining pressure of piping system water-storage controller of the utility model, only need the parameter of push panel that button is set, enter namely that the pressure controlling value arranges state or pressure controling parameter arranges state, at this moment, the operator only needs touch-screen or the PC computer of operating operation panel, can state parameter be set to pressure control and carry out pressure control, the pressure control procedure is full automatic, reliability is high, does not need to use miscellaneous equipment, operates very convenient.
5, man-machine interface is friendly
Use in the Tap Water Pressure Station remaining pressure of piping system water-storage controller process of the utility model, can show in real time the dynamic value of pressure and controlling value is set by guidance panel (display screen of touch-screen or PC computer) is upper, touch-screen or PC computer by guidance panel arranges in the pressure parameter process again, also can show the parameter value that arranges by touch-screen or PC computer, operating process is very clear, and man-machine interface is friendly.
6, the Tap Water Pressure Station remaining pressure of piping system water-storage controller overall structure of the utility model is simple, the parameter modification stability is good, reliable operation, easy to adjust.
Below in conjunction with drawings and Examples the utility model Tap Water Pressure Station remaining pressure of piping system water-storage controller is described further.
Description of drawings
Fig. 1 is the block diagram of the utility model Tap Water Pressure Station remaining pressure of piping system water-storage controller.
The specific embodiment
As shown in Figure 1, the utility model Tap Water Pressure Station remaining pressure of piping system water-storage controller, it is a kind of closed loop fuzzy PID constant-pressure control device, this water-storage controller comprises PLC control system 1, pressure transmitter, electric control valve and guidance panel, PLC control system 1 comprises CPU module and the power module that is connected with the CPU module respectively, the ethernet communication module, analog input module I, analog input module II, analog output module, pressure transmitter is installed on the outside tube wall of the pipeline between higher level's tap water pipe network and the force (forcing) pump, the output of pressure transmitter is connected with the input of analog input module I, electric control valve is installed in the pipeline between higher level's tap water pipe network and the reservoir, the upper level pipe network that higher level's tap water pipe network namely is connected with the tap water user network, the output of electric control valve is connected with the input of analog input module II, analog input module I, analog input module II is connected with the CPU module by core bus, analog output module is connected with the CPU module by core bus, the output of analog output module is connected with the input of electric control valve, and guidance panel is connected with the ethernet communication module.The CPU module of PLC control system 1, power module, ethernet communication module, analog input module I, analog input module II, analog output module are separately positioned on the PLC backboard, and link to each other by the PLC backboard.
Described analog input module I is 8 tunnel 12 4-20mA 2 lines analog quantity input modules processed, pressure transmitter is 2 lines 4-20mA pressure transmitters processed, and pressure transmitter is connected with 1 tunnel analog input channel terminal (not shown) of analog input module I input by 2 core cables.Analog input module II is 8 tunnel 12 4-20mA 4 lines analog quantity input modules processed, the output of electric control valve is connected by 1 tunnel analog input channel (not shown) of multicore cable with analog input module II input, and the input of electric control valve is connected with 1 tunnel analog output channel (not shown) of analog output module.Power module is the DC24V DC power supplier, and inner all modules of PLC control system are powered by the PLC backboard by the DC24V DC power supplier.Described PLC control system 1 is the S7-300 series of PLC, and the CPU module is CPU315-2DP, and power module is PS307, and the ethernet communication module is CP343-1 Lean, and analog input module I, analog input module II and analog output module are SM331.Each module of PLC control system 1 all is inserted into the PLC backboard, and it is the DIN guide rail that the PLC backboard is selected model, and the PLC installation is fixing, mixes various installations and coupling (plug connector and wire); Then do power supply to power module for the alternating current of AC220V.
During work, mainly divide following step in the water-storage controller control procedure: higher level's tap water pipe network pressure controlling value and pressure controling parameter, higher level's tap water pipe network pressure acquisition and the collection of electric control valve duty, pressure control information processing, pressure controlling value output control are set, show supervision; Its step is as follows:
Step 1: higher level's tap water pipe network pressure controlling value and pressure controling parameter are set: by guidance panel (can be touch-screen or PC computer) input higher level's tap water pipe network pressure controlling value and pressure controling parameter, the PLC control system is by its inner ethernet communication module and guidance panel communication, higher level's tap water pipe network pressure controlling value and pressure controling parameter on the read operation panel are passed to the CPU module by the PLC backboard with higher level's tap water pipe network pressure controlling value and pressure controling parameter;
Step 2: higher level's tap water pipe network pressure acquisition and electric control valve duty gather, higher level's tap water pipe network pressure acquisition: by being contained in the pressure transmitter collection higher level tap water pipe network current pressure value between higher level's tap water pipe network and the force (forcing) pump, the current pressure value that collects converts standard 4-20mA analog quantity signal transmission to through the pressure transmitter inside chip, by the analog input module I of 2 core cable transmission to the PLC control system, the current pressure value signal calculates through the CPU module that the analog input module I of PLC control system is passed to the PLC control system with data again; The electric control valve duty gathers: electric control valve work at present status information (being the current aperture of electric control valve) data communication device is crossed the multicore cable transmission to the analog input module II of PLC control system 1, pass to the CPU module of PLC control system by the analog input module II of PLC control system, for monitoring;
Step 3: the pressure control information is processed: according to higher level's tap water pipe network pressure controlling value, pressure controling parameter, higher level's tap water pipe network current pressure value, electric control valve work at present status information data, calculate the pressure controlling value by the CPU module of PLC control system by fuzzy PID algorithm;
Step 4: pressure controlling value output control: the CPU module of PLC control system is with the pressure controlling value that calculates in the step 3, the pressure controlling value is transferred to the analog output module of PLC control system by the communication of PLC backboard, the pressure controlling value is converted to the aperture setting value of electric control valve by the analog output module of PLC control system, the aperture setting value of analog output module output control electric control valve, electric control valve is opened corresponding aperture realization to the control of higher level's tap water pipe network pressure, to reach the purpose of automatic pressure regulation according to the aperture setting value;
Step 5: show to monitor: display working condition, higher level's tap water pipe network pressure controlling value, actual pressure value and electric control valve work state information, pressure controling parameter on the display screen (not shown) of guidance panel.
As variation of the present utility model, the model of each module is not limited to the cited model of above-described embodiment in the PLC control system 1, also can be the device that has other model of same or similar performance with above-mentioned model, as long as the conversion of doing all belongs to category of the present utility model in scope of the present utility model.
Claims (5)
1. Tap Water Pressure Station remaining pressure of piping system water-storage controller, it is characterized in that, this water-storage controller comprises the PLC control system, pressure transmitter, electric control valve and guidance panel, the PLC control system comprises CPU module and the power module that is connected with the CPU module respectively, the ethernet communication module, analog input module I, analog input module II, analog output module, pressure transmitter is installed on the outside tube wall of the pipeline between higher level's tap water pipe network and the force (forcing) pump, the output of pressure transmitter is connected with the input of analog input module I, electric control valve is installed in the pipeline between higher level's tap water pipe network and the reservoir, the output of electric control valve is connected with the input of analog input module II, analog input module I, analog input module II is connected with the CPU module by core bus, analog output module is connected with the CPU module by core bus, the output of analog output module is connected with the input of electric control valve, and guidance panel is connected with the ethernet communication module.
2. Tap Water Pressure Station remaining pressure of piping system water-storage controller as claimed in claim 1, it is characterized in that, described analog input module I is 8 tunnel 12 4-20mA 2 lines analog quantity input modules processed, pressure transmitter is 2 lines 4-20mA pressure transmitters processed, and pressure transmitter is connected with analog input module I input by 2 core cables.
3. Tap Water Pressure Station remaining pressure of piping system water-storage controller as claimed in claim 1, it is characterized in that, described analog input module II is 8 tunnel 12 4-20mA 4 lines analog quantity input modules processed, and the output of electric control valve is connected with analog input module II input by multicore cable.
4. Tap Water Pressure Station remaining pressure of piping system water-storage controller as claimed in claim 1 is characterized in that, described power module is the DC24V DC power supplier.
5. Tap Water Pressure Station remaining pressure of piping system water-storage controller as claimed in claim 1, it is characterized in that, described PLC control system is the S7-300 series of PLC, the CPU module is CPU315-2DP, power module is PS307, the ethernet communication module is CP343-1 Lean, and analog input module I, analog input module II and analog output module are SM331.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203595890U CN202689105U (en) | 2012-07-24 | 2012-07-24 | Tap water booster pump station pipe network excess pressure water storage control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203595890U CN202689105U (en) | 2012-07-24 | 2012-07-24 | Tap water booster pump station pipe network excess pressure water storage control device |
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| Publication Number | Publication Date |
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| CN202689105U true CN202689105U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203595890U Expired - Fee Related CN202689105U (en) | 2012-07-24 | 2012-07-24 | Tap water booster pump station pipe network excess pressure water storage control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776921A (en) * | 2012-07-24 | 2012-11-14 | 柳州高新区欧亚自动化设备有限责任公司 | Control device and control method for overbottom pressure and water storage of pipe network of tap water pressurizing pump station |
| CN103345879A (en) * | 2013-07-29 | 2013-10-09 | 南京化工职业技术学院 | Practical training device for production process automation |
| WO2014169275A1 (en) * | 2013-04-12 | 2014-10-16 | Pentair Pump Group, Inc. | Water booster control system and method |
| CN106354168A (en) * | 2016-10-14 | 2017-01-25 | 江苏大学镇江流体工程装备技术研究院 | Feedback control system of water supply pump station with in-series same pumps |
| CN106480471A (en) * | 2016-11-04 | 2017-03-08 | 柳州高新区欧亚自动化设备有限责任公司 | EMD Continuous leaching process chemical combination groove pH value control device and its control method |
-
2012
- 2012-07-24 CN CN2012203595890U patent/CN202689105U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776921A (en) * | 2012-07-24 | 2012-11-14 | 柳州高新区欧亚自动化设备有限责任公司 | Control device and control method for overbottom pressure and water storage of pipe network of tap water pressurizing pump station |
| CN102776921B (en) * | 2012-07-24 | 2013-11-06 | 柳州高新区欧亚自动化设备有限责任公司 | Control method for overbottom pressure and water storage of pipe network of tap water pressurizing pump station |
| WO2014169275A1 (en) * | 2013-04-12 | 2014-10-16 | Pentair Pump Group, Inc. | Water booster control system and method |
| US9670918B2 (en) | 2013-04-12 | 2017-06-06 | Pentair Flow Technologies, Llc | Water booster control system and method |
| RU2674842C2 (en) * | 2013-04-12 | 2018-12-13 | Пентейр Флоу Текнолоджиз, Ллс | Water pressure boosting installation and control method thereof |
| US10487813B2 (en) | 2013-04-12 | 2019-11-26 | Pentair Flow Technologies, Llc | Water booster control system and method |
| CN103345879A (en) * | 2013-07-29 | 2013-10-09 | 南京化工职业技术学院 | Practical training device for production process automation |
| CN106354168A (en) * | 2016-10-14 | 2017-01-25 | 江苏大学镇江流体工程装备技术研究院 | Feedback control system of water supply pump station with in-series same pumps |
| CN106354168B (en) * | 2016-10-14 | 2019-02-05 | 江苏大学镇江流体工程装备技术研究院 | A kind of concatenated water supply pump station feedback control system of same pump |
| CN106480471A (en) * | 2016-11-04 | 2017-03-08 | 柳州高新区欧亚自动化设备有限责任公司 | EMD Continuous leaching process chemical combination groove pH value control device and its control method |
| CN106480471B (en) * | 2016-11-04 | 2018-05-22 | 柳州高新区欧亚自动化设备有限责任公司 | EMD Continuous leaching process chemical combination slot pH value control devices and its control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20180724 |