CN206421215U - A kind of pipeline irrigation constant pressure monitoring system - Google Patents
A kind of pipeline irrigation constant pressure monitoring system Download PDFInfo
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- CN206421215U CN206421215U CN201720058814.XU CN201720058814U CN206421215U CN 206421215 U CN206421215 U CN 206421215U CN 201720058814 U CN201720058814 U CN 201720058814U CN 206421215 U CN206421215 U CN 206421215U
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Abstract
The utility model discloses a kind of pipeline irrigation constant pressure monitoring system, system includes being connected with background control system layer by communications layer, for the field control layer measured to main ductwork pressure and point ductwork pressure by pressure sensor；For according to water source situation, water plan to be established and enforced in the requirement of water plan and model for water quantity allocation, and the various action parameters of real-time monitoring field key-course will irrigate data deposit database and provide foundation with regulation and control for the later planning in irrigated area；Realize water-saving irrigation and the background control system allocated with water layer.The utility model adjusts the pressure of different subregions pipe network to realize the equilibrium of pipe network delivery port pressure by the irrigation constant-pressure control device in pipe network, system is dispatched by background monitoring and manages whole pipe network system simultaneously, according to the change of pressure in pipe network, background system distributes water source automatically, intelligent pressure control system is adjusted, to realize the reasonable distribution for balancing whole ductwork pressure and water source.
Description
Technical field
The utility model belongs to agricultural water-saving irrigation control technology field, more particularly to a kind of pipeline irrigation constant pressure monitoring system
System.
Background technology
At present, sprinkler and micro-irrigation (sprinkling irrigation and slight irrigation) is one of current water-saving irrigation project technology most widely used in the world,
Have the advantages that to economize on water, increase production, save land, strong adaptability, and towards low energy consumption, Precision Irrigation, Automated condtrol, multiple use
Develop Deng direction.Ended for the end of the year 2014 according to statistics, China's water-saving irrigation project gross area is 2901.9 ten thousand hm2, wherein sprinkler and micro-irrigation
Area is 784.4 ten thousand hm2, account for the 27% of total water-saving irrigation project area.Uniformity of irrigation water appilcation is measurement in sprinkler and micro-irrigation engineering design
One important parameter of quality of pouring water, has important influence to irrigated crop volume increase and water-saving result.Pipeline irrigation is at present
Uniformity of irrigation water appilcation is adjusted by controlling ductwork pressure, ductwork pressure regulation is usually to be adjusted in design by pipe diameter size
Pressure is saved, locally installing pressure-reducing valve in pipeline when pressure is excessive is adjusted, and the scope for so adjusting pressure is small, and can not expire
Constant pressure requirement when sufficient pipe network water-carrying capacity changes.
In summary, the pressure of current scale irrigation pipe network system exists unbalanced, and water source is unable to reasonable distribution.
The content of the invention
The purpose of this utility model is to provide a kind of pipeline irrigation constant pressure monitoring system, it is intended to solve scale irrigation pipe
The pressure equalization problem of net system.Pass through the pressure that constant-pressure control device control system adjusts different subregions pipe network of irrigating in pipe network
Power dispatches system to realize the balance of pressure in pipe network delivery port, by background monitoring and manages whole pipe network system simultaneously, according to
The change of pressure in pipe network, background system distributes water source automatically, adjusts intelligent pressure control system, to realize the whole pipe network of balance
The reasonable distribution of pressure and water source.
The utility model is achieved in that a kind of pipeline irrigation constant pressure monitoring system, the irrigation constant pressure monitoring system
Including：
It is connected by communications layer with background control system layer, for passing through pressure to main ductwork pressure and point ductwork pressure
Force snesor is measured, and according to the data obtained, is adjusted in real time by pid algorithm by local control box and is in charge of valve, reaches tune
Section is in charge of the field control layer of pressure；
For the communications layer by background control system layer pass down the line to field control layer；
For according to water source situation, water plan to be established and enforced in the requirement of water plan and model for water quantity allocation, monitor in real time
The various action parameters of field control layer, will irrigate data deposit database and provide foundation with regulation and control for the later planning in irrigated area；
Realize water-saving irrigation and the background control system allocated with water layer.
Further, the field control layer includes：
It is responsible for sending and receives the programmable controller PLC of various operation program instructions；
The parameters of irrigation system and the touch-screen of remote control are shown in real time；
Real-time monitoring tubular net pressure, feeds back to the pressure sensor of programmable controller PLC analyzing and processing；
The voltage signal of pressure sensor is converted into the A/D converter of data signal；
It is connected with programmable controller PLC, the flow velocity for adjusting water, the pressure in control equalizing main makes pipeline pressure
Tend to constant motor regulated valve.
Further, described communication layers include：
It is responsible for the communication processor for carrying out data acquisition and stipulations conversion；
It is responsible for the network switch that LAN data is exchanged；
The optical fiber of distance data transmission and the optical-electrical converter of opto-electronic conversion；
Hydraulic signal, PLC Regulate signals, control signal and various field datas are carried out stipulations conversion by communication processor,
Form unified upload stipulations, then background system by optical fiber is transferred to by opto-electronic conversion.
Further, the background control system layer includes：
Receive the high in the clouds data server that control computer transmission scene sends the data come up；
Shown for positional information, irrigation pipe network structure and data display, field apparatus monitoring, the generation of statistical report form,
Alarm and fault warning, irrigate hydraulic curve show, water resource scheduling planning and irrigation pipe network topology control design case, lower transmission control system
Information or the information control computer of setting；
Cloud server for data storage；Data are got on by backstage by the Internet transmission, and these data are according to one
Fixed combination and permutation are stored in cloud server；
Mobile phone gets the mobile phone of corresponding data by internet from the data server of high in the clouds.It is real by mobile phone A PP program
Apply observation anywhere or anytime and monitoring.
Further, the field control layer is connected with electric supply system；The electric supply system includes field power supply
Device and solar energy power source apparatus；The field power supply and sun-generated electric power are connected with programmable controller PLC power supplys.
The irrigation Isobarically Control that the utility model is provided employs closed-loop control, makes setting pressure automatic according to real-time pressure
Regulating gate, it is ensured that outlet pressure is constant.
Employ live memory module, it is to avoid the mutation of loss and network reason build-up of pressure and the leakage of data of data
Note.
Employ integral type valve and ensure that the safe and reliable operation of equipment and permanent life-span.
Mobile phone A PP operator schemes are employed, pressure regulation easily can be operated whenever and wherever possible using mobile phone.
The utility model adjusts the pressure of subregion pipe network by the pipeline irrigation constant-pressure control device control system in pipe network
To realize the balance of pressure in pipe network delivery port, system is dispatched by background monitoring and manages whole pipe network system simultaneously, according to pipe
The change of pressure in net, background system distributes water resource automatically, adjusts intelligent pressure control system, to realize the whole pipe network of balance
The reasonable distribution of pressure and water source.
The constant pressure of outlet pressure is realized by each hierarchy of system；According to the situation at water source, water plan and water
Water plan is formulated in the requirement of amount allotment tissue, and performs water plan, regulation, control pipe network outlet pressure water, by setting
Pressure supplies water to end outlet；The various actions of real-time monitoring system and parameter；Will irrigate data deposit database be irrigated area with
Planning and plan afterwards provides foundation；Realize user management and water-using charge.
The utility model field control layer drives valve to change valve by receiving the signal of industrial automation control system
The technological parameters such as flow, the pressure of sectional area size control pipeline medium between core and valve seat.Realize automation regulatory function.
Electric supply system of the present utility model；According to on-site actual situations, can provide power supply just selects field power supply, nothing
Method provide power supply there is provided electricity too can power supply be field device power.
The utility model can use different communication modes, such as GPRS according to live varying environment according to actual conditions
The communication modes such as communication, data radio station communication, dedicated fibre optical network communication, the communication of wireless network cover type, according to field condition
The network communication mode different from investment situation selection.
Smart mobile phone APP softwares control of the present utility model：Can be whenever and wherever possible to irrigating constant pressure by mobile phone A PP softwares
Control device control system carries out the setting of pressure, is opened and closed and managed with water, if increase flowmeter can enter to delivery port
Row management and flow measurement, realize delivery port water toll collection system.
Real-time Monitor And Control Subsystem of the present utility model, historical query subsystem, ductwork pressure balance system user management and
Charge subsystem is realized on the basic platform of daemon software.
Brief description of the drawings
Fig. 1 is the pipeline irrigation constant pressure monitoring system schematic diagram that the utility model embodiment is provided.
Fig. 2 is the field control layer structural representation that the utility model embodiment is provided.
In figure：1st, field control layer；1-1, programmable controller PLC；1-2, touch-screen；1-3, pressure sensor；1-4、A/D
Converter；1-5, motor regulated valve；2nd, communications layer；3rd, background control system layer；4th, solar energy power source apparatus.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this practicality
It is new, it is not used to limit the utility model.
Structure of the present utility model is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the irrigation constant pressure monitoring system that the utility model embodiment is provided, the pipeline irrigation constant pressure monitoring
System includes：
It is connected by communications layer with background control system layer, for passing through pressure to main ductwork pressure and point ductwork pressure
Force snesor is measured, and according to the data obtained, is adjusted in real time by pid algorithm by local control box and is in charge of valve, reaches tune
Section is in charge of the field control layer 1 of pressure；
For the communications layer 2 by background control system layer pass down the line to field control layer；
For according to water source situation, water plan to be established and enforced in the requirement of water plan and model for water quantity allocation, monitor in real time
The various action parameters of field control layer, will irrigate data deposit database and provide foundation with regulation and control for the later planning in irrigated area；
Realize water-saving irrigation and the background control system allocated with water layer 3.
Further, the field control layer includes：
It is responsible for sending and receives the programmable controller PLC 1-1 of various operation program instructions；
The parameters of irrigation system and the touch-screen 1-2 of remote control are shown in real time；
Real-time monitoring tubular net pressure, feeds back to the pressure sensor 1-3 of programmable controller PLC analyzing and processing；
The voltage signal of pressure sensor is converted into the A/D converter 1-4 of data signal；
It is connected with programmable controller PLC, the flow velocity for adjusting water, the pressure in control equalizing main makes pipeline pressure
Tend to constant motor regulated valve 1-5.
Further, communication layers are made up of the network switch, communication processor, optical fiber and converter.
Further, background control system layer is made up of data server, control computer, cloud server, mobile phone.
The field control layer is connected with electric supply system；The electric supply system is including field power supply device and too
Positive energy supply unit 4；The field power supply and solar energy power source apparatus are connected with programmable controller PLC power supplys.
Below in conjunction with the accompanying drawings and specific embodiment is further described to structure of the present utility model.
Pipeline irrigation constant-pressure control device systemic-function：
In order to realize that pipeline irrigation constant-pressure control device is controlled, system must possess following major function：
1st, data acquisition function：The analog quantity of sensor collection can be received.Data signal is converted to by A/D.
Control function mainly includes：1. automatic control function：The letter that master control system will be detected sensor by program
Number compared with standard signal value range set in advance, then according to actual conditions, PDI closed-loop control automatic regulating valves are carried out
Door aperture, realizes constant pressure water supply.2. time control function：System can set the open and close time to motor-driven valve, when the signal value of pipeline
When reaching setting value, valve is closed automatically.
2nd, systemic-function：
Existing equipment effect will be given full play to, Optimized Operation is increased the benefit.
By the application of automatic control technology, there is pressure constant output under realization.
Data-handling capacity is strong, fast response time.
System maintenance ability is strong, mitigates burden for users.
Open system is designed, and software and hardware is scalable.
Realize telemetry system monitoring of tools management function.
Structure of the present utility model is further described with reference to operation principle.
Host computer system is calculated according to runtime database data analysis, and ductwork pressure is assigned to each subsystem by communication layers
Regulation and control order, is voluntarily adjusted by each subsystem and meets the order that main station system is assigned.The order that subsystem is assigned according to main frame,
Main ductwork pressure and a point ductwork pressure are measured by pressure sensor, according to the data obtained, passed through by local control box
Valve is in charge of in regulation to pid algorithm in real time, to reach that the purpose of pressure is in charge of in regulation.
When downstream piping system discharges water, the signal that pressure sensor is collected is changed by A/D modules, by the electricity of standard
Pressure analog signal is converted to data signal, is input to programmable controller, after data processing, is uploaded to by communication module
Touch-screen is shown, handled and stored, and system is compared according to the data and the setting value of system that gather and receive in real time
Judge, using PID closed loop control algorithms, signal is transmitted to electrically operated valve, valve is according to specific signal value, corresponding regulation electricity
The rotating of motivation, the open degree of control valve realizes the constant pressure water supply of valve export.Ensure valve in the case of pressure change
Pressure behind the door be it is constant within the specific limits.
PID closed loop control algorithms：
System is made up of PID controller and controlled device.
Following equalities show pid algorithm output：
Wherein：
Y (t)=PID outputs
Kp=proportional gains
The Tn=times of integration
Tv=derivative times
The filter time of Td=differential
The processing error of e (t)=between set-point and value of feedback.
In PID regulating systems, proportion adjustment it have reaction it is fast, without it is stagnant the characteristics of, can disturbance cancelling interference in time,
Make controlled parameter stability near set-point.But ratio control can not eliminate steady-state error, and system can should be caused when Kp is excessive
It is unstable.There is deviation as long as the use of integration control is system, integral control action is just constantly accumulated, and output control amount disappears
Except deviation, therefore, as long as there is time enough, error can be completely eliminated in integral action, but integral adjustment is slow in one's movements, and it is adjusted
Section acts on the change for always lagging behind deviation signal.And when integral action is too strong, system overshoot can be increased, or even make be
System shakes.Differential control can reduce overshoot, improve the stability of a system.It can reflect that the change of deviation signal becomes
Gesture, and before deviation signal becomes not very big an effectively advanced revise signal can be introduced in systems, so as to accelerate system
Responsiveness, reduce regulating time.
As shown in Fig. 2 the field control layer structural representation that the utility model embodiment is provided.
Mainly it is made up of hardware components and software section.
Hardware components --- programmable controller (PLC), touch-screen (HMI), pressure sensor, A/D converter, electric adjustable
Save valve etc..
Programmable controller (PLC) 1-1：It is responsible for sending and receives in various operation program instructions, whole control system
Pivot part.
Touch-screen (HMI) 1-2:Man-machine friendly interface.The parameters and remote control equipment of irrigation system are shown in real time
Deng.
Pressure sensor 1-3：Real-time monitoring tubular net pressure, feeds back to processor analyzing and processing.
A/D converter 1-4：Programmable pair is so data signal need to be converted into by the voltage signal of sensor.
Motor regulated valve 1-5：By adjusting the pressure in the flow velocity of water, control equalizing main, tend to pipeline pressure
It is constant.
Software section-software is as the bound fraction important with hardware, and its importance is self-evident, and software can be realized
Function needed for correspondence requirement.The signal of collection is sent to programmable controller control by sensor, after data processing, is passed through
Communication system is uploaded to master control system center and is shown, handled and stored.System according to the data that gather and receive in real time with
The setting value of system is compared judgement, to control unlatching and the length of perdurabgility, the Contrast tuned imaging of electric control valve.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of pipeline irrigation constant pressure monitoring system, it is characterised in that the irrigation constant pressure monitoring system includes：
It is connected by communications layer with background control system layer, for being passed to main ductwork pressure and a point ductwork pressure by pressure
Sensor is measured, and according to the data obtained, is adjusted in real time by pid algorithm by local control box and is in charge of valve, reaches regulation point
The field control layer of pipe pressure；
For the communications layer by background control system layer pass down the line to field control layer；
For according to water source situation, water plan, real-time monitoring field to be established and enforced in the requirement of water plan and model for water quantity allocation
The various action parameters of key-course, will irrigate data deposit database and provide foundation with regulation and control for the later planning in irrigated area；Realize
Water-saving irrigation and the background control system layer allocated with water.
2. pipeline irrigation constant pressure monitoring system as claimed in claim 1, it is characterised in that the field control layer includes：
It is responsible for sending and receives the programmable controller PLC of various operation program instructions；
The parameters of irrigation system and the touch-screen of remote control are shown in real time；
Real-time monitoring tubular net pressure, feeds back to the pressure sensor of programmable controller PLC analyzing and processing；
The voltage signal of pressure sensor is converted into the A/D converter of data signal；
It is connected with programmable controller PLC, the flow velocity for adjusting water, the pressure in control equalizing main tends to pipeline pressure
Constant motor regulated valve.
3. pipeline irrigation constant pressure monitoring system as claimed in claim 1, it is characterised in that described communication layers include：
It is responsible for the communication processor for carrying out data acquisition and stipulations conversion；
It is responsible for the network switch that LAN data is exchanged；
The optical fiber of distance data transmission and the optical-electrical converter of opto-electronic conversion.
4. pipeline irrigation constant pressure monitoring system as claimed in claim 1, it is characterised in that the background control system layer bag
Include：
Receive the high in the clouds data server that control computer transmission scene sends the data come up；
Shown for positional information, irrigation pipe network structure and data display, field apparatus monitoring, the generation of statistical report form, alarm
And fault warning, irrigate hydraulic curve show, water resource scheduling planning and irrigation pipe network topology control design case, pass control information down
Or the information control computer of setting；
Cloud server for data storage；
Mobile phone gets the mobile phone of corresponding data by internet from the data server of high in the clouds.
5. pipeline irrigation constant pressure monitoring system as claimed in claim 1, it is characterised in that the field control layer is connected with electricity
Source power supply system；The electric supply system includes field power supply device and solar energy power source apparatus；The field power supply and too
Positive energy power supply is connected with programmable controller PLC power supplys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058814.XU CN206421215U (en) | 2017-01-17 | 2017-01-17 | A kind of pipeline irrigation constant pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058814.XU CN206421215U (en) | 2017-01-17 | 2017-01-17 | A kind of pipeline irrigation constant pressure monitoring system |
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| Publication Number | Publication Date |
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| CN206421215U true CN206421215U (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720058814.XU Expired - Fee Related CN206421215U (en) | 2017-01-17 | 2017-01-17 | A kind of pipeline irrigation constant pressure monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270886A (en) * | 2018-10-30 | 2019-01-25 | 中国石油天然气集团公司 | Pipeline yard scene remote I/O control method |
| CN111504532A (en) * | 2020-05-09 | 2020-08-07 | 中国船舶重工集团公司第七0三研究所 | Measurement and control system of hydraulic dynamometer |
| CN112056194A (en) * | 2020-09-22 | 2020-12-11 | 苏州睿绮电子有限公司 | Agricultural irrigation remote control water supply detection device based on thing networking |
| CN113701814A (en) * | 2021-08-26 | 2021-11-26 | 武汉鑫索维科技有限公司 | Water consumption monitoring system for water scheduling of irrigation area and use method |
| WO2023173904A1 (en) * | 2022-03-14 | 2023-09-21 | 西北农林科技大学 | End flow regulation, measurement and remote control apparatus for water-efficient irrigation |
-
2017
- 2017-01-17 CN CN201720058814.XU patent/CN206421215U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270886A (en) * | 2018-10-30 | 2019-01-25 | 中国石油天然气集团公司 | Pipeline yard scene remote I/O control method |
| CN111504532A (en) * | 2020-05-09 | 2020-08-07 | 中国船舶重工集团公司第七0三研究所 | Measurement and control system of hydraulic dynamometer |
| CN112056194A (en) * | 2020-09-22 | 2020-12-11 | 苏州睿绮电子有限公司 | Agricultural irrigation remote control water supply detection device based on thing networking |
| CN113701814A (en) * | 2021-08-26 | 2021-11-26 | 武汉鑫索维科技有限公司 | Water consumption monitoring system for water scheduling of irrigation area and use method |
| WO2023173904A1 (en) * | 2022-03-14 | 2023-09-21 | 西北农林科技大学 | End flow regulation, measurement and remote control apparatus for water-efficient irrigation |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170818 Termination date: 20180117 |