CN205491997U - Tertiary control system of automatic water -saving irrigation of many fields of large area piece - Google Patents

Tertiary control system of automatic water -saving irrigation of many fields of large area piece Download PDF

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Publication number
CN205491997U
CN205491997U CN201620148237.9U CN201620148237U CN205491997U CN 205491997 U CN205491997 U CN 205491997U CN 201620148237 U CN201620148237 U CN 201620148237U CN 205491997 U CN205491997 U CN 205491997U
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China
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water
control system
irrigation
many fields
monitor terminal
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CN201620148237.9U
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Chinese (zh)
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霍孟友
顾雯雯
罗彦铭
郑亚鹏
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Shandong University
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Shandong University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

The utility model relates to a tertiary control system of automatic water -saving irrigation of many fields of large area piece, this third grade control system include remote monitoring platform, at least one control station and a plurality of monitor terminal, carry out data communication with the GPRS mode between remote monitoring platform and the control station, carry out data communication with the zigBee network between control station and the monitor terminal. Temperature and humidity sensor through monitor terminal gathers the humiture data of field piece and compares with the warm humidity threshold value of prestore in the monitor terminal zigBee module, sends the irrigation request to monitoring the station when the meet a condition, and managers accessible remote monitoring platform modifys warm humidity threshold value and issues to monitoring the station simultaneously. The utility model discloses tertiary control system can realize the automation of many fields of the large area piece irrigation control that economizes on water, the cost of using manpower sparingly, water economy resource to artificial intervention can be carried out, reasonable water -saving irrigation purpose is reached.

Description

Big region many fields automatic water-saving irrigation three-stage control system
Technical field
This utility model relates to a kind of big region many fields automatic water-saving irrigation three-stage control system, belongs to automatic irrigation technology Field.
Background technology
Being stepped up so that automatic water-saving irrigation technology has changed into modernization of the day by day deficient and human cost of freshwater resources Agriculture, woods, herd, the important directions of sideline production water Irrigation Development.Currently for China's agricultural large area land transformation, conjunction Manage particularly agriculture, the woods such as the Northeast of the length and breadth of land, the Northwest, herd, sideline production base, how to realize big region many Field automatic water-saving irrigation controls the outstanding problem being to need to solve.
In recent years, the research of dependency irrigation control technology and method achieves certain progress, wherein Chinese patent literature CN102037888A discloses one " distributed network automatic irrigation control system and irrigation using method thereof ", and this practicality is new Type constructs the two-stage distributed control system being made up of central monitoring computer and irrigating unit, Publication No. The patent " remote controlled automated irrigation system based on public communication network and using method " of CN1951170A constructs With the two-stage irrigation automation system of central authorities' controlled stage with field controlled stage composition, but the subordinate's control in these technical methods System processed only uses single-processor (CPU) to complete the detection of field all the sensors, electromagnetic valve control, data communication etc. times Business, the problem existed: (1) distribution line is more and causes distributing adjustment difficulty;(2) existing controller hardware resource has Limit and fixing, extension difficulty, be less suitable for large area field and use;(3) important irrigation water is lacked as system entirety Supply water regulation controlling unit in source, it is impossible to the constant pressure water realizing water supply line supplies.
During it addition, plantation has multiple field of different crops in for big region, existing irrigation technique cannot be accomplished Set different Irrigations according to different crops, apply the most single.Therefore, design is needed badly a kind of for greatly The irrigation system of region many fields different crops.
Utility model content
For the deficiencies in the prior art, this utility model provides one region many fields automatic water-saving irrigation three class control system greatly System.
The technical solution of the utility model is as follows:
Big region many fields automatic water-saving irrigation three-stage control system, including remote monitoring platform, at least one monitoring station and Several monitor terminals;Data communication, monitoring station and monitoring is carried out in GPRS mode between remote monitoring platform and monitoring station Data communication is carried out with ZigBee-network between terminal;
Described remote monitoring platform includes server;
Described monitoring station includes single-chip microcomputer, pump variable frequency controller, pressure of supply water sensor, GPRS module and ZigBee Module;Single-chip microcomputer is connected with pump variable frequency controller, GPRS module and ZigBee module respectively by serial line interface, supplies water Pressure transducer electrically connects with pump variable frequency controller;
Described monitor terminal includes ZigBee module, soil temperature-moisture sensor, driving circuit for electromagnetic valve, electromagnetic valve;ZigBee Module electrically connects with soil temperature-moisture sensor, driving circuit for electromagnetic valve respectively, and driving circuit for electromagnetic valve is electrically connected with electromagnetic valve Connect.
Preferably, described monitoring station also includes three-phase electricity computation chip and teletransmission metering water meter, and three-phase electricity computation chip is with remote Pass metering water meter to electrically connect with single-chip microcomputer respectively.The advantage of this design is, by installing the three-phase electricity computation chip of setting additional With teletransmission metering water meter, single-chip microcomputer can be made to obtain power consumption data and each irrigation water capacity or accumulative water usage data, It is easy to regulate and control irrigation process.
Preferably, described monitor terminal also includes solar panel, rechargeable battery and battery charging management circuit, the sun Can be connected with rechargeable battery by battery charging management circuit by cell panel, rechargeable battery respectively with ZigBee module, soil temperature Humidity sensor and driving circuit for electromagnetic valve electrical connection.The advantage of this design is, uses solar energy clean energy resource for monitoring Terminal provides electric power resource support.
Preferably, STM32F103 chip selected by described single-chip microcomputer.This design is advantageous in that, the chip sexual valence of this model Ratio is high, with multiple serial line interfaces, as iirigation water source for water management, the metering of power consumption water consumption and data communication control System etc. has bigger economic advantages.
Preferably, GB-3000FS pressure transducer selected by described pressure of supply water sensor.By the pressure transducer of this model It is installed on the pressure of supply water in test lead road on vibration means for main pipe for supplying water road.
Preferably, described three-phase electricity computation chip selects RN8302B chip.This design is advantageous in that, single-chip microcomputer passes through SPI serial ports obtains the power consumption data of monitoring station.
Preferably, described GPRS module selects M35 module.This design advantage be, single-chip microcomputer utilize M35 module with Remote monitoring platform carries out data communication, receives irrigation control parameter, manual intervention instruction that remote monitoring platform sends, Or send water measurement, power consumption information, status information of equipment, soil soil moisture information etc. to monitor supervision platform.
Preferably, the ZigBee module in described monitor terminal selects same model with the ZigBee module in monitoring station ZigBee module, ZigBee module selects enhancement mode 8051CPU chip CC2530 module.This design is advantageous in that, This model ZigBee module integrates 2.4GHz IEEE 802.15.4, ZigBee and RF4CE several functions, monolithic Machine utilizes this model ZigBee module to carry out data communication with the ZigBee module networking on several monitor terminals, receives The irrigation solicited message of monitor terminal, status information, soil soil moisture information, or to monitor terminal send irrigation control parameter, Irrigate instruction etc..
Preferably, IBV-101G DC electromagnetic valve selected by described electromagnetic valve.Utilize the DC electromagnetic valve of this model for field The opening of one road water bypass line irrigation water, closing control.
Preferably, described driving circuit for electromagnetic valve selects booster type translation circuit.The advantage of this design is, booster type becomes Changing circuit and rechargeable battery energy storage is converted into electromagnetic valve work electricity consumption, the ZigBee module on monitor terminal utilizes an output End controls the output of driving circuit for electromagnetic valve in level mode, such as: solenoid-driven electricity during output control terminal output high level Road output energy, opens battery valve, and during output control terminal output low level, solenoid-driven forbids exporting energy, closes Battery valve.
Preferably, described soil temperature-moisture sensor selects STH11 type epidemic disaster integrated transducer.It is good that this designs Place is, is arranged on by epidemic disaster integrated transducer on the typical sampled point irrigateing land application water branch road, monitoring ZigBee module in terminal reads the soil moisture of epidemic disaster integrated transducer institute perception, humidity information by serial ports, Control the open and close of this way solenoid valve with this, use integration soil temperature-moisture sensor integrated level height, low cost, Convenient construction is installed, and saves the engineering time.
Preferably, described solar panel selects the cell panel of polycrystalline silicon material.The benefit of this design is, solar-electricity Pond working stability, low cost, the amount of capacity of solar panel depends on the work power consumption of electromagnetic valve.
Preferably, lithium polymer battery selected by described rechargeable battery.This design is advantageous in that, lithium battery capacity is high, body Long-pending little, lightweight, safety is good.
Preferably, described battery charging management circuit selects the charging valve with solaode MPPT maximum power point tracking function Reason integrated circuit.The benefit of this design it is possible to the maximum power point from motion tracking solar panel, realizes efficiently Solar energy is changed to the electric energy of rechargeable battery.
It is further preferred that described battery charging management circuit selects CN3791 Charge Management integrated circuit.
The using method of a kind of big region many fields automatic water-saving irrigation three-stage control system, comprises the following steps:
(1) the epidemic disaster data in the soil temperature-moisture sensor Real-time Collection field of sampled point, and by epidemic disaster number According to the ZigBee module being transferred to monitor terminal;
(2) after the ZigBee module of monitor terminal receives epidemic disaster data be stored in monitor terminal ZigBee module In soil moisture upper and lower limit threshold value and soil moisture upper limit threshold compare, when exceeding soil moisture upper limit threshold or being less than During soil moisture lower threshold, monitor terminal sends irrigation solicited message by ZigBee module to monitoring station;
(3) whether the solicited message decision-making that monitoring station sends according to monitor terminal starts irrigation water supply, if it is determined that enter for needs When row is irrigated, monitoring station sends to monitor terminal to irrigate to order and send to pump variable frequency controller and starts work order, water Pump frequency conversion controller drives pump motor to set the irrigation water of pressure to the conveying of vibration means for main pipe for supplying water road, receives irrigation startup and refers to Order and soil moisture are not reaching to the monitor terminal of soil moisture upper limit threshold and all open and prop up way solenoid valve with water and carry out irrigating behaviour Make;
(4) when monitor terminal detects that soil moisture reaches soil moisture upper limit threshold, monitor terminal is then closed use water and is propped up Way solenoid valve also sends irrigation ending message to monitoring station, and monitoring station judges whether to need according to the irrigation ending message received Irrigation process to be terminated, if desired terminates to irrigate process monitoring stations and then stops to the transmission power cut-off order of pump variable frequency controller Only irrigation water supply.
Preferably, remote monitoring platform issues amended soil moisture upper and lower limit by GPRS network communication to monitoring station Threshold value and soil moisture upper limit threshold, monitoring station receives on amended soil moisture upper and lower limit threshold value and the soil moisture Being stored in ZigBee module after limit threshold value, monitoring station utilizes the ZigBee module of self to repair to monitor terminal transmission simultaneously Soil moisture upper and lower limit threshold value after changing and soil moisture upper limit threshold are also stored in the ZigBee module of monitor terminal.
Preferably, remote monitoring platform is provided with networking client access function, and the management personnel having permission can be at any one Remote monitoring platform interface can be logged on the computer of online, will some time of rainfall according to weather forecast situation manual amendment Between some field soil moisture upper and lower limit threshold value in section, or to will some field in certain time period of rainfall set Put irrigation and forbid instruction, and be sent in requisition for the monitoring station adjusting or irrigating forbidden control by GPRS network communication.
The beneficial effects of the utility model are:
1. this utility model has been set up one and has been made up of remote monitoring platform, at least one monitoring station and several monitor terminals Automatic water-saving irrigation three-stage control system, a remote monitoring platform can manage hundreds and thousands of monitoring stations, a prison Control station is responsible for the iirigation water source supply of regional area and is controlled, and several monitor terminals complete the irrigation control of an independent field, Therefore, three-stage control system is capable of the automatic water-saving irrigation of the many fields in big region and controls, and saves human cost, joint About water resource.
2. utilize cheap multi-CPU wireless networking communications technology, one field of prior art is utilized a CPU pipe The method that reason controls all data acquisitions, break-make controls to communicate with Surveillance center improves, and uses a monitor terminal Only it is responsible for a soil temperature-moisture sensor detection and props up way solenoid valve control with one with water, put into less equipment cost Overcome and prior art is concentrated the problem causing layout to a CPU distance complexity line, adjusting difficulty.
3. this utility model uses the building block system compound mode of multi-CPU networking, not by irrigation water circuitry number quantitative limitation, As long as no matter field has how many to carry out corresponding control with the monitor terminal of the quantity such as water branch road installation, getting final product resource without waste Realize automatic water-saving control, be very suitable for different area field, the biggest field automatic water-saving irrigation control Use, overcome extension difficulty or problem of resource waste that prior art causes because product port resource fixes.
4. the monitoring station in this utility model controls for the varying speed and constant pressure feed water of field main pipeline, needs to fill in field Constant pressure water supply is just provided when irrigating, prevents pipeline from may reduce the problem of working life because of long-term overvoltage, ensure that each simultaneously The confession hydrologic(al) budget of individual water branch road, economizes on water, economizes on electricity and ensures that irrigation effect is consistent.This technology is that prior art is short of 's.
5. worked out irrigation water control based on artificial experience for the different growth phases of variety classes crop in different fields Planning chart processed, automatically adjusts soil temperature and humidity according to time change and controls parameter, it is achieved meet the water saving of plant growth rule Irrigation control.
6. management personnel all can carry out client-access according to authority by any computer that can surf the Net and remotely monitor flat Platform, checks irrigation process, equipment state, and according to rainfall weather forecast etc., irrigation process can carry out manual intervention, Reach the purposes such as water saving and prevention waterlogging.
The most all monitor terminals utilize has the solar powered of solaode MPPT maximum power point tracking function, effectively solves Monitor terminal work powerup issue and high efficiency transfer problem.
8. remote monitoring platform shows irrigation situation, checks soil soil moisture content, equipment state once occur asking with electronic chart Topic or fault are the most very clear, facilitate system maintenance;Filling is passed down when remote monitoring platform only changes according to timing node Irrigating control parameter to monitoring station, other working time recrive-only equipment fault messages etc., communication data traffic is little, saves logical Letter cost.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of this utility model automatic water-saving irrigation three-stage control system.
Wherein: 1 is remote monitoring platform;2 is monitoring station;3 is monitor terminal;4 is GPRS module;5 is single-chip microcomputer; 6 is ZigBee module;7 is three-phase electricity computation chip;8 is pump variable frequency controller;9 is pressure of supply water sensor;10 For teletransmission metering water meter;11 is soil temperature-moisture sensor;12 is ZigBee module;13 is driving circuit for electromagnetic valve; 14 is electromagnetic valve;15 is solar panel;16 is battery charging management circuit;17 is rechargeable battery.
Detailed description of the invention
Below by embodiment and combine accompanying drawing this utility model is described further, but it is not limited to this.
Embodiment 1:
The present embodiment provides a kind of big region many fields automatic water-saving irrigation three-stage control system, is introduced with two fields. This three-stage control system includes remote monitoring platform, at least one monitoring station and multiple monitor terminal;Wherein, remotely monitor Carry out data communication in GPRS mode between platform and monitoring station, enter with ZigBee-network between monitoring station and monitor terminal Row data communication.
Remote monitoring platform 1 is selected an installation monitoring software, is had the server of public network IP.Wherein, monitoring software is Utilize the establishment of the technology such as data base, form, electronic chart, networking client, network service for automatic water-saving irrigation The management application program controlled, it is achieved following function: 1. show the position of each independent field in irrigated area with the form of electronic chart Put, border and monitoring station 2, the icon of monitor terminal 3 present position, wherein the color of monitor terminal 3 icon is according to seven The soil dry humidity levels of color color representation monitor terminal 3 position, redness of the skin or complexion represents arid partially, and purple represents flood partially, The color of icon refreshes the most automatically according to the soil humidity information received;Mouse moves to during a certain icon the most automatic Eject further information, such as crop species, growth stage, status information of equipment etc.;2. with the form system of menu item form Determine irrigation project control table, table content include the soil property composition of each independent field, crop species and growth stage, The timing node of soil Temperature and Humidity Control parameter (temperature upper limit, humidity upper and lower limit) and corresponding adjustment and irrigate electricity consumption Amount, water consumption statistics data;3. manager utilizes any computer surfed the Net all can put down according to authority login remotely monitoring Platform 1 carries out client network access, checks soil soil moisture content, facility information or amendment irrigation control parameter etc..(need explanation , the exploitation of monitoring software and writing mainly according to traditional experimental data, expertise of program).
In view of irrigating interval time in terms of natural law, and amount of communication data between remote monitoring platform 1 and each monitoring station 2 Limited, the basic server product (as NF3025M3 believed in English) of selection low cost can meet oneself of hundreds and thousands of field Dynamic water-saving irrigation controls;As long as there being communication network to cover, monitoring station 2 can carry out data communication with remote monitoring platform 1, Realize automatic water-saving irrigation control.
Monitoring station 2 include single-chip microcomputer 5, pump variable frequency controller 8, pressure of supply water sensor 9, three-phase electricity computation chip 7, Teletransmission metering water meter 10, GPRS module 4 and ZigBee module 6.
Pressure of supply water sensor 9 is arranged on vibration means for main pipe for supplying water road and provides pressure feedback signal for pump variable frequency controller 8, single Sheet machine 5 utilizes the goal pressure parameter of UART serial port setting pump variable frequency controller 8 transmission to open, stop work and make control command Deng, pump variable frequency controller 8 regulates the rotating speed of pump motor and the water source in motor-pumped well or dyke is become the constant voltage confession of main pipeline Water, wherein the operating pressure parameter main pipeline is set to the target pressure value of pump variable frequency controller 8;Current-output type The optional model of pressure of supply water sensor 9 is GB-3000FS, and stress test scope is 0-1.6MPa, it is possible to meet pipeline pressure Power test request;The selection of pump variable frequency controller 8 is according to pipeline pump " flow--lift--bore--power " type selecting pair First determine power of motor according to heading, then determine the model of pump variable frequency controller 8, such as: 15 meters of water sources of lift, irrigate Discharge requires as 30m3/ h, can be selected for the main pipeline that bore is 65mm, and water pump three phase electric machine power is 2.2kW, type Number can be used as pump variable frequency controller 8 for the converter of VFG022M43D.
Teletransmission metering water meter 10, for measuring the water consumption of irrigation operation, is arranged on vibration means for main pipe for supplying water road, selects according to main Being main pipeline caliber and flow, telemetering direct-reading metering water meter can meet general water metering, and single-chip microcomputer is obtained by serial ports Take each irrigation water capacity or accumulative water consumption.Single-chip microcomputer 5 obtains water consumption aggregate-value, remote transmitting direct reading by UART interface Formula metering water meter series has UART interface, it is adaptable to various flow rate specification, the water consumption metering of pipe diameter.
Three-phase electricity computation chip 7, for measuring the power consumption of monitoring station 2, utilizes the RN8302B chip can be real at low cost Existing power consumption is measured, and single-chip microcomputer 5 obtains power consumption continuous data by SPI serial ports from RN8302B chip.
It is flat with remotely monitoring that single-chip microcomputer 5 utilizes low price, GPRS module 4 model M35 of stable performance completes monitoring station 2 Data communication between platform 1: receive irrigation control parameter that remote monitoring platform passes for 1 time, instruction or to remotely monitoring Platform 1 uploads soil injury information, status information of equipment etc..
Single-chip microcomputer 5 utilizes the ZigBee module 6 of CC2530 chip and the ZigBee of the CC2530 chip in monitor terminal 3 Module 12 networking completes irrigation control parameter, solicited message, the transmission of soil soil moisture information.
Monitor terminal 3 utilizes to be arranged on to irrigate with water branch road and relates to the soil epidemic disaster data that region typical case's sampled point gathers This is controlled with the water supply switching of water branch road, including soil temperature-moisture sensor 11, ZigBee module 12, electromagnetism Valve-driving circuit 13, electromagnetic valve 14, solar panel 14, rechargeable battery 17 and battery charging management circuit 16.
The CC2530 chip that ZigBee module 12 is selected is to have 2.4GHz IEEE 802.15.4, ZigBee and RF4CE concurrently The enhancement mode 8051CPU single-chip microcomputer of several functions, utilizes serial line interface to obtain epidemic disaster integrated transducer STH11 and adopts The Soil Temperature And Moisture degrees of data of collection, utilizes an outfan to control the output of driving circuit for electromagnetic valve 13 in level mode simultaneously; Driving circuit for electromagnetic valve 13 selects chip MAX629, with boosting mode, rechargeable battery 17 energy storage is converted into electromagnetic valve 14 Work electricity consumption;Model is the DC electromagnetic valve 14 of IBV-101G, and rated voltage DC24V, holding current 190mA can Meet the control requirement of irrigation water branch road switching.
Monitor terminal 3 uses working stability, the polycrystalline silicon material solar panel 14 of low cost is powered, through having too The battery charging management circuit 16 of sun energy battery MPPT maximum power point tracking function, charge management circuit 16 selects chip CN3791 Charge Management integrated circuit, charges to lighium polymer rechargeable battery 17, and rechargeable battery 17 senses to soil temperature and humidity again Device 11, ZigBee module 12 and driving circuit for electromagnetic valve 13 are powered.Electromagnetic valve 14 is the main power consumption of monitor terminal 3 Parts, determine solar panel 14 and the type selecting of rechargeable battery 17.Unconventional irrigation mould once is irrigated with every day Formula carries out type selecting: to select output rated voltage under standard illumination condition be 5V, rated current is the solar-electricity of 840mA Pond group, to rated voltage be 3.7V, capacity be 2Ah lithium polymer battery group charging within 4 hours, can at most obtain energy Amount 16800mAVh, can meet, to the monitor terminal 3 of above-mentioned parts selection, the electricity consumption requirement irrigated at least two hours every day.
Embodiment 2:
The present embodiment provides the using method of a kind of big region many fields automatic water-saving irrigation three-stage control system.Realize great Qu Territory many fields variety classes crop controls at the automatic water-saving irrigation of different growth phases, and step is as follows:
(1) monitoring software, on remote monitoring platform 1, according to expertise for the soil property in different fields, one-tenth Point and the different field of crop species establishment on crop in different growth phases irrigation water capacity Planning Control Sheet, this control table Essence be exactly the upper limit, the lower threshold parameter pair that the different humidity of field soil, temperature need in different time sections to control Answer table.
When irrigation control system operates, the monitoring programme of remote monitoring platform 1 according to system time change automatically by Network service need amendment soil moisture upper limit threshold and soil moisture upper and lower limit threshold parameter be sent in requisition for The monitoring station 2 adjusted.
(2), monitoring station 2 is kept in touch with remote monitoring platform 1 all the time.Monitoring station 2 receives remote monitoring platform 1 Related parameter is preserved after the new amendment soil moisture upper limit threshold sent according to time point change and soil moisture upper and lower limit threshold value, And utilize the ZigBee module 6 of self to send irrigation control to relevant monitor terminal 3 newly to revise threshold parameter.
(3), monitor terminal 3 receives soil moisture upper limit threshold and the soil moisture upper and lower limit that monitor terminal 3 issues Threshold parameter is stored in ZigBee memorizer.Monitor terminal 3 utilizes the epidemic disaster sensing being arranged on typical case's sampled point Device periodically gathers soil epidemic disaster information, and with the soil moisture upper and lower limit threshold value of storage and the soil moisture upper limit Threshold ratio is relatively;When Soil K+adsorption temperature exceedes upper limit threshold or humidity less than lower threshold, send to monitoring station 2 and irrigate Solicited message;Whether the solicited message number decision-making that monitoring station 2 sends according to monitor terminal 3 starts irrigation water supply;If it is determined that When irrigating for needs, monitoring station 2 sends to monitor terminal 3 irrigates order and opens to pump variable frequency controller 8 transmission Dynamic work order, pump variable frequency controller 8 drives pump motor to set the irrigation water of pressure to the conveying of vibration means for main pipe for supplying water road, At this moment receive and irrigate enabled instruction and soil moisture and be not reaching to the monitor terminal 3 of upper limit threshold and all open with water branch road electricity Magnet valve 14 carries out irrigating operation;When monitor terminal 3 detect soil moisture reach upper limit threshold time, then close use water branch road electricity Magnet valve 14 also sends irrigation ending message to monitoring station 2, and monitoring station 2 judges whether according to the irrigation ending message received Need to terminate irrigation process, if desired terminate to irrigate process monitoring stations 2 and then send power cut-off to pump variable frequency controller 8 Order stops irrigation water supply, sends, to remote monitoring platform 1, water consumption, the power consumption data that this is irrigated simultaneously.
Embodiment 3:
The present embodiment provides a kind of implementation that large area field automatic water-saving irrigation three-stage control system is described.
Relatively conventional a kind of situation is that the irrigation water of large area field or multiple field only has at one water source (such as motor-pumped well Or dyke), the branch road needing irrigation water is the most, thus the monitor terminal more than 3 used.For this situation, Utilize a monitoring station 2 to while irrigation operation monitor terminal 3 sum be controlled and implement rotation flow successively, can be relatively The supply equipment of low cost puts into and solves large area field or the irrigation control problem of many fields.
Calculate the unit interval water consumption of irrigation operation with irrigated area, minimum rotation flow interval time, determine selection water with this When the power reselection pump variable frequency controller 8 of pump motor carries out irrigation operation, a fairly large number of monitor terminal 3 proposes to fill Irrigate request, but, monitoring station 2 is numbered according to monitor terminal 3, only allows the adjacent monitor terminal 3 of some and position Implementing to irrigate operation, the monitor terminal 3 reaching to irrigate humidity requirement during irrigation operation withdraws from irrigation operation, and monitors 2 monitor terminals 3 that close on that then open request is irrigated of standing start irrigation operation, it is ensured that the monitor terminal 3 of irrigation operation simultaneously Sum is basically unchanged;Persistently supply water and monitor terminal 3 irrigation operation rotation through monitoring station 2, it is possible to achieve large area field Block automatic water-saving irrigation controls.
Embodiment 4:
In the case of the present embodiment provides one explanation weather forecast to intervene irrigation control, this automatic water-saving irrigation three grades control The using method of system processed.
If closing on rainfall particularly heavy showers to carry out irrigation operation again, crop damage caused by waterlogging also can be caused in the source not only wasted water, because of This, it is accordingly required in particular to manual intervention, method is as follows:
(1), remote monitoring platform 1 be provided with networking client access function, the management personnel having permission can be at any energy Log in remote monitoring platform 1 on the computer of online, check soil soil moisture content, equipment state or make irrigating according to sky forecast Industry carries out manual intervention.
Rainy weather forecasts that, when particularly heavy showers weather forecast occurs, management personnel send soil moisture content to monitoring station 2 and look into Ask instruction, monitoring station 2 is then sent to remote monitoring platform 1 the injury information being collected about field, management personnel by Irrigation process is the most manually done by the distribution of color of electronic chart checking monitoring terminal 3 icon in conjunction with the growth stage of crop Carry out decision-making in advance;If it is determined that some monitoring station 2 needs forbidden irrigation operation within certain time period, then to these monitoring stations 2 Forbidden instruction is irrigated in sending certain period;If needing to reduce irrigation water capacity, then amendment will be in certain time period of rainfall Some field soil moisture upper and lower limit control threshold value.
(2), after monitoring station 2 receives the control parameter that manual amendment reduces irrigation water capacity, it is transmitted to the prison of management and control at once Control terminal 3, irrigation process is controlled by monitor terminal 3 according to new parameter;If monitoring station 2 receives remote monitoring platform The 1 forbidden instruction of irrigation sent, monitoring station 2 then closes irrigation water supply within the corresponding time period, to relevant monitor terminal 3 The irrigation request instruction sent is ignored.

Claims (10)

1. big region many fields automatic water-saving irrigation three-stage control system, it is characterised in that include remote monitoring platform, extremely A few monitoring station and several monitor terminals;Data communication is carried out in GPRS mode between remote monitoring platform and monitoring station, Data communication is carried out with ZigBee-network between monitoring station and monitor terminal;
Described remote monitoring platform includes server;
Described monitoring station includes single-chip microcomputer, pump variable frequency controller, pressure of supply water sensor, GPRS module and ZigBee Module;Single-chip microcomputer is connected with pump variable frequency controller, GPRS module and ZigBee module respectively by serial line interface, supplies water Pressure transducer electrically connects with pump variable frequency controller;
Described monitor terminal includes ZigBee module, soil temperature-moisture sensor, driving circuit for electromagnetic valve, electromagnetic valve;ZigBee Module electrically connects with soil temperature-moisture sensor, driving circuit for electromagnetic valve respectively, and driving circuit for electromagnetic valve is electrically connected with electromagnetic valve Connect.
2. big region as claimed in claim 1 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute State monitoring station and also include that three-phase electricity computation chip and teletransmission metering water meter, three-phase electricity computation chip and teletransmission metering water meter are respectively Electrically connect with single-chip microcomputer.
3. big region as claimed in claim 1 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute Stating monitor terminal and also include solar panel, rechargeable battery and battery charging management circuit, solar panel is by electricity Pond charge management circuit is connected with rechargeable battery, rechargeable battery respectively with ZigBee module, soil temperature-moisture sensor and electricity Electromagnetic valve driving circuit electrically connects.
4. big region as claimed in claim 2 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute State single-chip microcomputer and select STM32F103 chip;GB-3000FS pressure transducer selected by described pressure of supply water sensor;Three-phase Electricity computation chip selects RN8302B chip;Described GPRS module selects M35 module.
5. big region as claimed in claim 1 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute State the ZigBee module of the ZigBee module in monitor terminal and the ZigBee module selection same model in monitoring station, ZigBee module selects enhancement mode 8051CPU chip CC2530 module.
6. big region as claimed in claim 1 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute State electromagnetic valve and select IBV-101G DC electromagnetic valve.
7. big region as claimed in claim 1 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute State driving circuit for electromagnetic valve and select booster type translation circuit.
8. big region as claimed in claim 1 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute State soil temperature-moisture sensor and select STH11 type epidemic disaster integrated transducer.
9. big region as claimed in claim 3 many fields automatic water-saving irrigation three-stage control system, it is characterised in that institute State battery charging management circuit and select the Charge Management integrated circuit with solaode MPPT maximum power point tracking function.
10. big region as claimed in claim 9 many fields automatic water-saving irrigation three-stage control system, it is characterised in that Described battery charging management circuit selects CN3791 Charge Management integrated circuit.
CN201620148237.9U 2016-02-28 2016-02-28 Tertiary control system of automatic water -saving irrigation of many fields of large area piece Expired - Fee Related CN205491997U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105580716A (en) * 2016-02-28 2016-05-18 山东大学 Large-area multi-field-piece automatic water-saving irrigation three-level control system and use method thereof
CN107678449A (en) * 2017-10-24 2018-02-09 北京爱特通科技有限公司 A kind of intelligent watermeter device and water-saving irrigation system
CN112927595A (en) * 2021-03-24 2021-06-08 中国科学院西北生态环境资源研究院 Rainfall simulation random occurrence control system, method, storage medium and application

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105580716A (en) * 2016-02-28 2016-05-18 山东大学 Large-area multi-field-piece automatic water-saving irrigation three-level control system and use method thereof
CN107678449A (en) * 2017-10-24 2018-02-09 北京爱特通科技有限公司 A kind of intelligent watermeter device and water-saving irrigation system
CN112927595A (en) * 2021-03-24 2021-06-08 中国科学院西北生态环境资源研究院 Rainfall simulation random occurrence control system, method, storage medium and application

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