CN102808759B - Display control system of water pump and pump group - Google Patents

Display control system of water pump and pump group Download PDF

Info

Publication number
CN102808759B
CN102808759B CN201210281677.8A CN201210281677A CN102808759B CN 102808759 B CN102808759 B CN 102808759B CN 201210281677 A CN201210281677 A CN 201210281677A CN 102808759 B CN102808759 B CN 102808759B
Authority
CN
China
Prior art keywords
water pump
data
pump
module
group
Prior art date
Application number
CN201210281677.8A
Other languages
Chinese (zh)
Other versions
CN102808759A (en
Inventor
田喆
李锋
张浩淼
马涛
Original Assignee
天津大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 天津大学 filed Critical 天津大学
Priority to CN201210281677.8A priority Critical patent/CN102808759B/en
Publication of CN102808759A publication Critical patent/CN102808759A/en
Application granted granted Critical
Publication of CN102808759B publication Critical patent/CN102808759B/en

Links

Abstract

The invention discloses a display control system of a water pump and a pump group. The display control system is characterized by comprising a sensor group, a touch control display screen, a data bus interface, and a water pump frequency converter, wherein the sensor group and the touch display screen are connected with a control unit respectively, and the data bus interface is communicated with a host computer. The sensor group is provided with a water pump outlet pressure sensor arranged at an outlet of the water pump, a water pump inlet pressure sensor arranged at an inlet of the water pump, a water pump running current sensor arranged on water pump drive current, and a water pump running voltage sensor arranged on water pump drive voltage. The touch control display screen is provided with a manual control module, a data input module, a water pump state parameter display module, a network state parameter display module, a water pump alarm module, and a data storage module, wherein the manual control module and the data input module are connected with a signal input end of a data processing unit, and the water pump state parameter display module, the network state parameter display module, the water pump alarm module, and the data storage module are connected with a signal output end of the data processing unit. The invention has the advantages of high test precision, convenient control, overall parameter display, real-time display function, friendly and visual interface, low cost, and high degree of automatization.

Description

The display control program of water pump and pump group

Technical field

The present invention relates to a kind of Monitoring and Controlling of water pump operation.Particularly relate to a kind of Online Monitoring Control and the water pump of demonstration in real time and the display control program of pump group that can realize pump characteristics parameter.

Background technique

The monitoring of current water pump operation is just taking safe operation as main purpose, and monitoring parameter only includes running current, voltage, frequency and inlet outlet pressure differential conventionally, and above-mentioned parameter obtains by the on-the-spot reading mode of ammeter, voltmeter and pressure gauge respectively.The parameter of reflection water pump actual motion state mainly comprises flow, lift and power, flow is mainly tested and is obtained by ultrasonic flowmeter, but flowmeter price is more expensive, test method is loaded down with trivial details, be difficult for realizing the Real-Time Monitoring of pump capacity, has significant limitation; Lift obtains after doing difference by pressure gauge test value before and after water pump, causes the reading of lift to have larger error because pressure gauge precision is not high; The test data of power utilization volometer and correlation theory formula solve, and cause the calculated data of power to have larger error because voltage and current meter accuracy is not high.In sum, existing monitored data cannot accurately reflect the running state of water pump.

If do not have comparatively accurately, comprehensively, real-time service data supports, the variable-flow of water pump regulates will become very difficult, causes most of variable flow system to move under flow setting type operating mode, and then causes water pump transmission & distribution energy consumption high.The main cause that causes current condition be shortage science, Online Monitoring Control and the real-time display method of pump characteristics parameter.

Summary of the invention

Technical problem to be solved by this invention is, provide one to utilize pump characteristic, pressure sensor monitoring data and corresponding theoretical water pump duty and lift, and calculate the data correction computational methods of pump efficiency and pipe impedance, and realize the water pump of Real-Time Monitoring, demonstration, storage and control and the display control program of pump group according to flow, lift, voltage transducer monitored data, current sensor monitored data.

The technical solution adopted in the present invention is: the display control program of a kind of water pump and pump group, comprise: data processing unit, the sensor group being connected with control unit respectively, touch control display screen, with data bus interface and the pump variable frequency device of upper machine communication.

Described sensor group include be arranged on exit of pump exit of pump pressure transducer, be arranged on pump entrance pump entrance pressure transducer, be arranged on the water pump operation current sensor on water pump driving current and be arranged on the water pump operation voltage transducer on water pump driving voltage.

In described touch control display screen, be provided be connected with the signal input part of data processing unit respectively for controlling the start and stop of water pump and the manual control module of operation frequency, data input module, the test data for real-time demonstration sensor group being connected with data processing unit signal output part respectively, water lift of pump, flow, the water pump status parameter display modular of power efficiency, the pipe network status parameter display modular of real-time demonstration pipe impedance, according to water pump operation voltage, electric current and efficiency are determined the water pump alarm module whether water pump moves in predefined safety zone and are realized parameters of pump and the data storage module of pipeline parameter storage.

The data that described data input module is inputted comprise: between pump characteristic that water pump frequency, producer provide, pressure-measuring point, coefficient of partial resistance and water pump are imported and exported the discrepancy in elevation between pressure-measuring point; And according to the status parameter of the flow of the reverse interpretation water pump of the test data of pump characteristic and sensor, power, efficiency.

Described data processing unit includes sensing data receiving module, the data conversion module being connected with described sensing data receiving module and the data correction puocessing module being connected with described data conversion module, wherein, the monitor signal of described sensing data receiving module connecting sensor group receiving sensor group, described data conversion module connects manual control module and the data input module in touch control display screen by data/address bus, for receiving the input parameter of touch control display screen, the output of described data conversion module connects pump variable frequency device for control signal is passed to pump variable frequency device by data/address bus, described data correction puocessing module connects respectively the water pump status parameter display modular in touch control display screen by data/address bus, pipe network status parameter display modular and water pump alarm module, also in touch control display screen, realize the storage of data simultaneously.

The display control program of water pump of the present invention and pump group, has following beneficial effect:

(1) testing precision is high.Testing apparatus is the sensor that precision is higher, and sensor carries out the same time to the data of each measuring point and collects, and compares hand data collection, has greatly improved the validity of survey data;

(2) cost is low, without expensive flow measurement is installed, reduces system cost;

(3) automaticity is high.By the algorithm of implanting in advance, realize to image data fast, focus on;

(4) real-time Presentation Function, friendly interface.Display menu hurdle on touch screen, shows each roadability parameter of pump group and pipe network in the mode of button;

(5) control conveniently, before pump group is controlled, pre-enter between pump characteristic equation, pressure-measuring point these special parameters of relative relief between coefficient of partial resistance, pressure-measuring point; In control procedure, only need the operation frequency of input water pump just can realize the control to water pump operation parameter.This means in working control and only have frequency and these two of start and stop to control parameter, controlling method is simplified greatly;

(6) parameter display comprehensively, intuitively.Presentation Function on touch screen is divided into 4 parts: parameter input field, water pump operation parameter hurdle, system-head curve parameter hurdle and warning hurdle, this 4 part is switched by clicking menu button.

Brief description of the drawings

Fig. 1 is that entirety of the present invention forms block diagram;

Fig. 2 is the formation of sensor group;

Fig. 3 is the formation block diagram of touch control display screen;

Fig. 4 is that data processing unit forms block diagram.

1: sensor group 2: data processing unit

3: touch control display screen 4: for the data bus interface module of telecommunication

5: pump variable frequency device 1-1: exit of pump pressure transducer

1-2: pump entrance pressure transducer 1-3: water pump operation current sensor

1-4: water pump operation voltage transducer 2-1: sensing data receiving module

2-2: data conversion module 2-3: data correction puocessing module

3-1: manual control module 3-2: data input module;

3-3: water pump status parameter display modular 3-4: pipe network status parameter display modular

3-5: water pump alarm module 3-6: data memory module

Embodiment

Below in conjunction with embodiment and accompanying drawing, the display control program of water pump of the present invention and pump group is described in detail.

As shown in Figure 1, the display control program of water pump of the present invention and pump group, comprising: data processing unit 2, the sensor group 1 being connected with data processing unit 2 respectively, touch control display screen 3, with upper machine communication EBI 4 and pump variable frequency device 5.

As shown in Figure 2, sensor group 1 of the present invention include be arranged on exit of pump exit of pump pressure transducer 1-1, be arranged on pump entrance pump entrance pressure transducer 1-2, be arranged on the water pump operation current sensor 1-3 on water pump driving current and be arranged on the water pump operation voltage transducer 1-4 on water pump driving voltage.Data processing module obtains sensor real time data by analog amount, the real-time touch screen display that is presented at after processing.

As shown in Figure 3, the control display device that described touch control display screen 3 is scene of the present invention, in described touch control display screen 3, be provided be connected with data processing unit 2 signal input parts for controlling the start and stop of water pump and the manual control module 3-1 of operation frequency, data input module 3-2, (the pressure before pump of the test data for real-time demonstration sensor group 1 being connected with data processing unit 2 signal output parts, pressure after pump, voltage, electric current), water lift of pump, flow, the water pump status parameter display modular 3-3 of power efficiency, the pipe network status parameter display modular 3-4 of real-time demonstration pipe impedance, according to water pump operation voltage, electric current and efficiency are determined the water pump alarm module 3-5 whether water pump moves in predefined safety zone and are realized parameters of pump and the data storage module 3-6 of pipeline parameter storage.

Described manual control module 3-1 is mainly used to control the start and stop of water pump and changes operation frequency.The control signal of start and stop and frequency changes analogue signal into through data processing unit 2, is then transferred to frequency variator and is controlled the running state of water pump by data/address bus.

Described data input module 3-2 is the data of inputting by touch screen, and the data of inputting comprise: the discrepancy in elevation between pump characteristic that water pump frequency, producer provide, pressure-measuring point between coefficient of partial resistance and pressure-measuring point.These data are bases that the data processing unit 2 of water pump or pump group carries out data processing.

Described upper machine communication EBI 4 major functions are that upper-position unit is supported teledata alternately and telecontrol by data/address bus.

Described data processing unit 2 is the mutual conversions that realize between the analogue signal of digital signal, and then realizes the output of control signal and the input of test processes signal; The monitor signal of sensing data receiving module receiving sensor, then monitor signal is transferred to data processing unit and processes calculating, last above-mentioned monitored data, processing data are all inputted data storage module 3-6 in touch screen and realize the storage of data together with inputting in advance data by data/address bus, or by the storage of importing upper-position unit into and realize data with the data bus interface 4 of upper machine communication.

As shown in Figure 4, described data processing unit 2 specifically includes sensing data receiving module 2-1, the data conversion module 2-2 being connected with described sensing data receiving module 2-1 and the data correction puocessing module 2-3 being connected with described data conversion module 2-2, wherein, described sensing data receiving module 2-1 connecting sensor group 1, the monitor signal of receiving sensor group 1, described data conversion module 2-2 connects manual control module 3-1 and the data input module 3-2 in touch control display screen 3 by data/address bus, for receiving the input parameter of touch control display screen 3, the output of described data conversion module 2-2 connects pump variable frequency device 5 for control signal being passed to pump variable frequency device 5 by data/address bus, described data correction puocessing module 2-3 connects respectively the water pump status parameter display modular 3-3 in touch control display screen 3 by data/address bus, pipe network status parameter display modular 3-4, water pump alarm module 3-5 and data storage module 3-6.

The display control program of water pump of the present invention and pump group, before the Operational Limits of pump group being controlled and shown, need to pre-enter the coefficient of partial resistance between the discrepancy in elevation and the pressure-measuring point between water pump curve, pressure-measuring point by touch control display screen 3.In working control procedure for displaying, first input the operation frequency of water pump by touch control display screen 3, this parameter changes the analogue signal of frequency variator 5 after by data processing unit 2 into, thereby realizes the control to pump capacity; After pump variable frequency, sensor group 1 passes to data processing unit 2 by pressure, electric current and voltage signal and carries out corrected Calculation, obtain the Operational Limits under water pump and pipe network actual conditions, comprise water lift of pump, flow, power, efficiency and pipe impedance, and by demonstration real-time to above-mentioned test data, calculated data be stored in touch control display screen 3.

Testing apparatus in the display control program of water pump of the present invention and pump group is sensor, and testing precision is higher; In testing process, realize the synchro measure to each test data, data test precision is guaranteed; The real-time demonstration of test data and processing data can raising system move the validity of controlling; For regulating the effect of front and back, water pump in system provides Data support.

The parameter input field of the display control program of water pump of the present invention and pump group comprises:

Water pump H-Q curve: the data that producer is provided are carried out regression analysis, obtain quadratic curve equation, is then input into control system each coefficient in equation;

Water pump η-Q curve: the data that producer is provided are carried out regression analysis, obtain quadratic curve equation, is then input into control system each coefficient in equation;

Water pump N-Q curve: the data that producer is provided are carried out regression analysis, obtain quadratic curve equation, is then input into control system each coefficient in equation;

Coefficient of partial resistance between pressure-measuring point: the data that provide taking producer are foundation, is input into control system by the coefficient of partial resistance sum of all parts between measuring point;

Relative relief between pressure-measuring point: the discrepancy in elevation before and after measure field water pump between pressure transducer, is then input into control system by these data;

Water pump frequency: this parameter, for controlling parameter, in the time that system needs variable-flow, changes the numerical value of incoming frequency.

The water pump operation parameter hurdle of the display control program of water pump of the present invention and pump group, is directly the various performance parameters of water pump to be shown intuitively, and the parameter of displaying has:

Pump head: the poor of delivery side of pump end face and admission section unit weight total energy that fluid has of flowing through, reaction be the pressure-drop in pipeline in system;

Pump capacity: whether the flow in direct reacting system meets design and the regulation and control requirement of system;

Running current: directly kinetic current, whether in safe operation interval, prevents from burning out unit;

Working voltage: whether the working voltage that directly reacts water pump is stable;

Pump power: the operation energy consumption that directly reacts water pump;

Pump efficiency: directly reaction water the way;

Above-mentioned parameter has reflected the running state parameter of water pump completely, the adjusting that above-mentioned data are system and the optimization data supporting that provides the foundation.

The system-head curve parameter hurdle of the display control program of water pump of the present invention and pump group:

Pipe impedance: this parametric synthesis has reflected on-way resistance and the local resistance situation on pipeline.

The warning hurdle of the display control program of water pump of the present invention and pump group:

Show and exceed parameter (electric current, voltage, the pump efficiency) title of safe operation scope and the actual operating data of parameter, the Main Function of above-mentioned parameter is to provide Data support for trouble analysis in the future.

Claims (4)

1. the display control program of a water pump and pump group, it is characterized in that, comprise: data processing unit (2), the sensor group (1) being connected with control unit respectively, touch control display screen (3), data bus interface (4) and pump variable frequency device (5) with upper machine communication, described data processing unit (2) includes sensing data receiving module (2-1), the data conversion module (2-2) being connected with described sensing data receiving module (2-1) and the data correction puocessing module (2-3) being connected with described data conversion module (2-2), wherein, the monitor signal of described sensing data receiving module (2-1) connecting sensor group (1) receiving sensor group (1), described data conversion module (2-2) connects manual control module (3-1) and the data input module (3-2) in touch control display screen (3) by data/address bus, be used for receiving the input parameter of touch control display screen (3), the output of described data conversion module (2-2) connects pump variable frequency device (5) for control signal being passed to pump variable frequency device (5) by data/address bus, described data correction puocessing module (2-3) connects respectively the water pump status parameter display modular (3-3) in touch control display screen (3) by data/address bus, pipe network status parameter display modular (3-4) and water pump alarm module (3-5), also in touch control display screen (3), realize the storage of data simultaneously.
2. the display control program of water pump according to claim 1 and pump group, it is characterized in that, described sensor group (1) include be arranged on exit of pump exit of pump pressure transducer (1-1), be arranged on pump entrance pump entrance pressure transducer (1-2), be arranged on the water pump operation current sensor (1-3) on water pump driving current and be arranged on the water pump operation voltage transducer (1-4) on water pump driving voltage.
3. the display control program of water pump according to claim 1 and pump group, it is characterized in that, in described touch control display screen (3), be provided be connected with the signal input part of data processing unit (2) respectively for controlling the start and stop of water pump and the manual control module of operation frequency (3-1), data input module (3-2), the test data for real-time demonstration sensor group (1) being connected with data processing unit (2) signal output part respectively, water lift of pump, flow, the water pump status parameter display modular (3-3) of power efficiency, the pipe network status parameter display modular (3-4) of real-time demonstration pipe impedance, according to water pump operation voltage, electric current and efficiency are determined the water pump alarm module (3-5) whether water pump moves in predefined safety zone and are realized parameters of pump and the data storage module of pipeline parameter storage (3-6).
4. the display control program of water pump according to claim 3 and pump group, it is characterized in that, the data that described data input module (3-2) is inputted comprise: between pump characteristic that water pump frequency, producer provide, pressure-measuring point, coefficient of partial resistance and water pump are imported and exported the discrepancy in elevation between pressure-measuring point; And according to the status parameter of the flow of the reverse interpretation water pump of the test data of pump characteristic and sensor, power, efficiency.
CN201210281677.8A 2012-08-08 2012-08-08 Display control system of water pump and pump group CN102808759B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210281677.8A CN102808759B (en) 2012-08-08 2012-08-08 Display control system of water pump and pump group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210281677.8A CN102808759B (en) 2012-08-08 2012-08-08 Display control system of water pump and pump group

Publications (2)

Publication Number Publication Date
CN102808759A CN102808759A (en) 2012-12-05
CN102808759B true CN102808759B (en) 2014-10-15

Family

ID=47232584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210281677.8A CN102808759B (en) 2012-08-08 2012-08-08 Display control system of water pump and pump group

Country Status (1)

Country Link
CN (1) CN102808759B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352790B (en) * 2013-07-04 2016-12-07 绍兴市碧湖环保科技有限公司 Reaction type waterwheel view generating set
CN104460627B (en) * 2014-12-10 2017-03-08 国家电网公司 A kind of power station turbine-generator units display & control system and its control method
CN105422430B (en) * 2015-11-25 2018-04-06 湖南耐普泵业股份有限公司 Diesel engine water pump control system and its control method
CN105952659A (en) * 2016-05-09 2016-09-21 湖南耐普泵业股份有限公司 Intelligent permanent magnet electric pump unit and control method thereof
CN106089675B (en) * 2016-08-01 2018-08-24 南京腾图节能科技有限公司 A kind of portable pump energy consumption assessment instrument
CN107327398A (en) * 2017-08-30 2017-11-07 安徽天达网络科技有限公司 A kind of Computer Automatic Test System for pump performance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201383104Y (en) * 2009-04-17 2010-01-13 孙青格 Digital multi-functional special-purpose fire water supply device controller
CN201925144U (en) * 2011-01-05 2011-08-10 湖南星奥信息技术有限公司 Automatic control device of mine water pump
CN201972194U (en) * 2010-12-15 2011-09-14 广州星辰热能科技有限公司 Intelligent frequency-variable constant-pressure water supply system
CN202203098U (en) * 2011-08-26 2012-04-25 上海航天动力科技工程有限公司 Self-protection system of pump and intelligent pump with same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3761653B2 (en) * 1996-12-10 2006-03-29 株式会社荏原製作所 Liquid supply device
WO2011159620A2 (en) * 2010-06-14 2011-12-22 Rainbank, Inc. Methods and systems for monitoring, controlling, and recording performance of a storm water runoff network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201383104Y (en) * 2009-04-17 2010-01-13 孙青格 Digital multi-functional special-purpose fire water supply device controller
CN201972194U (en) * 2010-12-15 2011-09-14 广州星辰热能科技有限公司 Intelligent frequency-variable constant-pressure water supply system
CN201925144U (en) * 2011-01-05 2011-08-10 湖南星奥信息技术有限公司 Automatic control device of mine water pump
CN202203098U (en) * 2011-08-26 2012-04-25 上海航天动力科技工程有限公司 Self-protection system of pump and intelligent pump with same

Also Published As

Publication number Publication date
CN102808759A (en) 2012-12-05

Similar Documents

Publication Publication Date Title
US20140379300A1 (en) Pump efficiency determining system and related method for determining pump efficiency
CN102252805B (en) Multi-range field full-automatic pressure and electric signal calibrating instrument
CN104272207A (en) Method and system for real time gas turbine performance advisory
US8209039B2 (en) Process control system having on-line and off-line test calculation for industrial process transmitters
CN104280715B (en) Gateway electric energy meter online monitoring system
CN102116246B (en) Device, system and method for monitoring efficiency of hydro-electric generating set
CN102155470B (en) Automatic detection and debugging system and method of hydraulic valve
CN103170403B (en) Data acquisition monitoring module and method for ball grinder group monitoring system
CN102507430A (en) Online monitoring device for corrosion in pipeline
CN103926553B (en) Self-service single-phase electric energy meter calibrates for error devices and methods therefor
CN101738312B (en) Test platform of balance valve
CN201352234Y (en) Three-phase multifunctional electric energy meter
CN104300900A (en) Photovoltaic plate dust detecting device
CN103234606B (en) A kind of flow verification system and calibration method thereof
CN203785909U (en) Energy-saving control key parameter detection device for rotary drilling rig
CN103982413B (en) Pump class efficiency on-line checkingi appraisal procedure and system
CN201583828U (en) Embedded electromechanical device state monitoring and fault diagnosis system
CN201236695Y (en) Portable oil well parameter synthetic test system
CN102156223B (en) Novel thyristor-grade impedance testing device for direct-current converter valve
CN103472331A (en) Photovoltaic power generation fault diagnosis system based on photovoltaic physical model
CN203191151U (en) Vacuum gauge automatic calibrating device
CN202230595U (en) Multichannel data acquisition system used for vibrating wire transducers
EP3350544B1 (en) Self-powered utility delivery system
CN102027333B (en) Multivariable process fluid flow device with energy flow calculation
CN108036201B (en) A kind of Leak Detection in Oil Pipeline Using method based on negative pressure wave method and traffic trends method

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model