CN206314208U - A kind of water-saving irrigation control system - Google Patents
A kind of water-saving irrigation control system Download PDFInfo
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- CN206314208U CN206314208U CN201621386542.8U CN201621386542U CN206314208U CN 206314208 U CN206314208 U CN 206314208U CN 201621386542 U CN201621386542 U CN 201621386542U CN 206314208 U CN206314208 U CN 206314208U
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Abstract
The utility model discloses a kind of water-saving irrigation control system, including PLC, photovoltaic power supply module, sampling module, soil monitoring module and photovoltaic water pump, photovoltaic power supply module includes solar panels, solar panels are connected by solar energy shift control module and battery, it is that PLC and the photovoltaic water pump are powered, sampling module and soil monitoring module are connected with PLC, for by the water temperature in each piece of experimental plot, liquid level, the information transfer such as soil saturation water and soil nutrient content is to PLC, the output end of PLC connects the photovoltaic water pump by frequency converter, to control photovoltaic water pump to carry out constant irrigation.The system irrigates frequency converter using PLC by controlling, and use low-pressure pipe irrigation technology, relatively low pressure is only needed when pouring water, pass through pipe-line system, water is directly conveyed to field ditch furrow irrigated farmland, when water-saving, less manpower, ground is saved, passes through pipe water, avoid permeable subterranean, natural evaporation equal loss.
Description
【Technical field】
The utility model belongs to automatic irrigation technical field, and in particular to a kind of water-saving irrigation control system.
【Background technology】
China's shortage of water resources, utilization rate is low, and water waste is serious, and imbalance between supply and demand is protruded, serious restriction Chinese society economy
Development.Shortage of water resources most basic outlet is solved the problems, such as in water saving, Constructing Water-saved Society is new countryside construction development section
The fundamental way of water.China's gross amount of water resources is not few, but water resource of per capita is only the 26% of world's average, and fills
It is the outstanding problem existed for many years to irrigate water consumption on the high side.Therefore save water, Rational Irrigation, Developing Water-saving Agriculture.Will
Accomplish these, understand crop retaining rule in depth, grasp period, index and the method for Rational Irrigation, carry out science water supply right and wrong
It is often important.
The basic principle of water-saving irrigation is exactly that maximum effect is obtained with a small amount of water, and reasonably irrigate be crops just
The important guarantee for developing and obtaining high yield is frequently grown, good physiological effect and ecological effect, obvious effect of increasing production can be obtained.State
Some outer spray irrigation system device structures are complicated, cost is higher, and it is installed and maintenance process is all very complicated, is not suitable for making in China
With.Be becoming tight the day of water resource and information technology development, exploitation with independent intellectual property right water-saving irrigation control system
System not only has wide market prospects, and with huge social benefit.How a kind of raising operating accuracy, energy are designed
Enough timings, automatic irrigation system that is quantitative, being efficiently automatically replenished moisture to crop turn into the class that those skilled in the art study
Topic.
【Utility model content】
Technical problem to be solved in the utility model is that there is provided one kind water saving for above-mentioned deficiency of the prior art
Irrigation control system, regularly, quantitatively, efficiently to crop is automatically replenished moisture.
The utility model uses following technical scheme：
A kind of water-saving irrigation control system, including PLC, photovoltaic power supply module, sampling module, soil monitoring module
And photovoltaic water pump, wherein, the photovoltaic power supply module includes solar panels, and the solar panels pass through solar energy conversion and control mould
Block and battery connection, are that the PLC and the photovoltaic water pump are powered, the sampling module and soil monitoring module
It is connected with the PLC, for by the water temperature in each piece of experimental plot, liquid level, soil saturation water and soil nutrient content
The PLC is given etc. information transfer, the output end of the PLC connects the photovoltaic water pump by frequency converter, used
To control the photovoltaic water pump to carry out constant irrigation.
Further, the sampling module includes temperature sensor, flowmeter and liquid level gauge, the temperature sensor, stream
Gauge and liquid level gauge are connected by data acquisition module and A/D modules with the PLC respectively.
Further, the sampling module also includes the pressure sensor being arranged on irrigation conduit, the pressure sensing
Device is connected by data acquisition module and A/D modules with the PLC, described for actual hydraulic pressure value to be transferred to
PLC and the speed that the photovoltaic water pump is adjusted by frequency converter.
Further, the soil monitoring module is soil saturation water cut monitor device, and soil saturation water cut monitor device passes through
Data acquisition module and A/D modules are connected with the PLC, for measuring soil nutrient content and being uploaded to data
PLC.
Further, the frequency converter is also associated with automatic fertilization module, for the nutrient solution concentration EC values according to setting
Compare fertigation surely with pH value to carry out constant.
Further, the automatic fertilization module includes the fertile pump of note and acid filling pump, the magnetic valve and the fertile pump of the note and
Acid filling pump is connected, and the fertile pump of note and acid filling pump are connected by filter with the photovoltaic water pump, for automatic irrigation fertilising.
Further, EC values and pH value that EC/pH measuring instruments are used to measure fertilizer are provided with the filter, it is described
EC/pH measuring instruments are connected by A/D modules with the PLC, the input for controlling solution and acid solution.
Further, the PLC connects host computer by wireless data transmission module is used for remote monitoring.
Further, man-machine interface is additionally provided with the PLC, for scene manipulation.
Further, the PLC is using siemens PLC series, and the solar panel is used
SHP200W-1P battery panel components, the photovoltaic water pump is SHP0.7/30-24 types, and the frequency converter uses Siemens MM3117.
Compared with prior art, the utility model at least has the advantages that：
The utility model controls irrigation system using PLC, will be each by sampling module and soil monitoring module
The information transfers such as water temperature, liquid level, soil saturation water and the soil nutrient content in block experimental plot give the PLC, lead to
Cross frequency converter and connect the photovoltaic water pump, to control the photovoltaic water pump to carry out constant irrigation, can more be accurately controlled irrigation
Amount, substantially increases the intellectuality of irrigation system, realizes intelligent water-saving irrigation, improves system response time, when reducing reaction
Between, electric energy is provided for irrigation system using photovoltaic power supply module, the energy needed for being irrigated in irrigation region has both been solved and has asked
Topic, has good energy-saving and emission-reduction effect, and protect ecological environment again.
Further, the system is also connected with automating fertilization control system, and full-automatic constant drop is carried out in drip irrigation form
Fill fertilising, it is desirable to the nutrient solution concentration EC values and pH value set according to user, meet the water needed for crops different growth phases
And fertilizer, liquid manure ratio, quantity delivered and service time are adjusted in good time, to reach the purpose of good quality and high output.
Further, remote mode and field mode can be divided into, both can be by host computer to solar energy automatic irrigation system
System carries out operational control, and field mode can be switched to again, all valves and motor are directly controlled at the scene, in order to system
Debugging, maintenance with safeguard.
In summary, the utility model irrigates frequency converter using PLC by controlling, and uses low pressure water conveyance pipeline
Irrigation technique, only needs relatively low pressure when pouring water, by pipe-line system, and water directly conveys to field ditch furrow irrigated farmland, water-saving,
During less manpower, ground is saved, passes through pipe water, it is to avoid permeable subterranean, natural evaporation equal loss.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
【Brief description of the drawings】
Fig. 1 is the utility model system schematic；
Fig. 2 is the utility model irrigation system control principle drawing.
【Embodiment】
In the utility model PLC as whole control system bottom floor units, to the data acquisition of whole control system and
Processing plays an important roll, and it completes the collection of the information such as water temperature, liquid level, soil saturation water and soil nutrient content, will
The data collected are changed by A/D modular converters, and the data changed are utilized to the fuzzy control skill of PLC
Art is handled, and will output signal to frequency converter, to realize the purpose of automatic constant-pressure irrigation.Upper computer module is monitored in real time simultaneously
The internal data of PLC.
Refer to shown in Fig. 1, the utility model discloses a kind of water-saving irrigation control system, including PLC, photovoltaic
Power supply module, sampling module, soil monitoring module and photovoltaic water pump, wherein, the photovoltaic power supply module includes solar panels, institute
State solar panels to connect by solar energy shift control module and battery, be the PLC and the photovoltaic water pump
Power supply, the sampling module and soil monitoring module be connected with the PLC, for by the water temperature in each piece of experimental plot, liquid
The information transfers such as position, soil saturation water and soil nutrient content give the PLC, the output of the PLC
End connects the photovoltaic water pump by frequency converter, to control the photovoltaic water pump to be irrigated.
Wherein, the sampling module includes temperature sensor, flowmeter and liquid level gauge, the temperature sensor, flowmeter
It is connected respectively by data acquisition module and A/D modules with the PLC with liquid level gauge.The sampling module also includes setting
The pressure sensor on irrigation conduit is put, the pressure sensor is controlled by data acquisition module and A/D modules with the PLC
Device connection processed, for actual hydraulic pressure value to be transferred into the PLC and the photovoltaic water pump is adjusted by frequency converter
Speed.The soil monitoring module is soil saturation water cut monitor device, and soil saturation water cut monitor device passes through data acquisition module
It is connected with A/D modules with the PLC, for measuring soil nutrient content and data being uploaded into PLC.
Refer to shown in Fig. 2, the control principle of system is, by the PID loop section of PLC, hydraulic pressure to be carried out constant
Control is so as to realize constant irrigation, and the control of constant pressure is just so that actual hydraulic pressure follows the hydraulic pressure of setting forever.Control process is：
A hydraulic pressure value is set in systems, and actual hydraulic pressure value is transferred to PLC by system by pressure sensor and pressure transmitter
In, PLC can be compared to actual value and setting value, when actual value less than setting value is that PLC can be right by PID control link
The frequency of frequency converter is controlled, and improves the output frequency of frequency converter, increases the rotating speed of water pump, so as to improve actual hydraulic pressure.When
Actual hydraulic pressure brings up to certain value, and pressure sensor is again by the incoming PLC of actual hydraulic pressure value, and PLC to actual hydraulic pressure and can set
Determine hydraulic pressure to be compared, when actual hydraulic pressure is more than setting hydraulic pressure, PLC will control frequency converter reduction output frequency, so that real
Now the reduction of speed of water pump is controlled so that actual hydraulic pressure follows setting hydraulic pressure all the time.
System only carries out constant irrigation with the PID modules real-time control system in PLC, passes through the change of Frequency Converter Control motor
Frequency is run, while other motors are also added in the case where pressure is inadequate carries out power frequency operation, so as to realize the pressure in pipe network
Power is equal with the pressure that keeper sets, and final system will also can be transmitted and monitor to irrigating real time data.
PLC is connected with frequency converter with Serial Port Line, then PLC is connected with PC with RS485, is applied in PC
Configuration hapalonychia designs a set of human-computer interaction interface, and the data and failure to system monitor and manage in real time, pass through pressure
Sensor and pressure transmitter are sampled the hydraulic pressure in pipeline, are transferred in PLC and are compared with setting value, so as to realize
The constant irrigation of system.The control mode of this system is very flexible, while expansion module is a lot, programming is simple, easy to maintenance,
And system is not limited the capacity of load, it is adaptable to different occasions.
Pressure sensor is that the pressure signal in pipeline is become into analog signalses, then by pressure transmitter by the mould
The analog signal of sampling is converted to data signal and is input to by the analog module EM235, EM235 that analog quantity signal is sent to PLC
In PLC.Hydraulic pressure is controlled by the PID modules in PLC, constant irrigation is realized.Pressure value can be used as a report simultaneously
Alert amount is input in PLC, and pressure sensor and pressure transmitter are common type, and pressure measurement range is 0 to 1MP, is passed
The precision of sensor is 1.5, and pressure signal is the negative-feedback model during PID control, typically to be set on one in systems
Limits pressure and a threshold pression.
The frequency converter is also associated with automatic fertilization module, for entering according to the nutrient solution concentration EC values and pH value of setting
Row constant compares fertigation surely.The automatic fertilization module includes the fertile pump of note and acid filling pump, the magnetic valve and the fertile pump of the note
With the connection of acid filling pump, the fertile pump of note and acid filling pump are connected by filter with the photovoltaic water pump, for automatic irrigation fertilising.
EC values and pH value that EC/pH measuring instruments are used to measure fertilizer are provided with the filter, the EC/pH measuring instruments pass through A/D
Module is connected with the PLC, the input for controlling solution and acid solution.
Automatic fertilizing device specifically needs the major function met as follows：
(1) set-up function：EC values, pH value, fertilization time, the time for starting irrigation, the time interval time setting irrigated；
(2) timing controlled：Acid adding, the liquor charging of solution, stop liquid and be timed control；
(3) test function：Realize detection EC values, pH value in real time, and water-carrying capacity, fertile flow；
(4) online regulation and control：There is provided the suitable nutrient solution of crop for real-time monitoring EC values, pH value；
(5) control manually：It can be applied fertilizer with manually implemented individual irrigation；
(6) display function：Show the EC values currently measured, pH value in real time, can inquire about start irrigate time, irrigate
Time interval, present system time and irrigation time.
To carry out, constant is fixed to be applied the nutrient solution concentration EC values and pH value that the requirement of this control system is set according to user than drip irrigation
Fertilizer, adjusts liquid manure ratio, quantity delivered and service time, to reach good quality and high output in good time to meet crops different growth phases
Purpose.The fertile ratio of note is to carry out line closed loop regulation and control according to setting value by solution, acid (or alkali) liquid and irrigation water to realize, EC
Value and pH value control the running speed of the fertile pump of note and acid filling pump to control the input of solution and acid solution as feedback signal.System
Control parameter is EC values and pH value, and required precision EC values are ± 0.15mS/cm, and pH value is ± 0.15pH, 3 minutes stabilization time with
Interior, system overshoot is less than 15%.Automatic irrigation fertilising can accomplish that automatic irrigation is synchronous, can be realized and fill on time in units of minute
Fertilising is irrigate, control parameter is the time, and control accuracy is 10 seconds.
The nutrient solution mixed passes through the current signal through 4~20mA of transmitter output after EC, pH sensor measuring and amplifying
It is data signal to AD circuit conversions, PLC compares it with setting value SV, PLC is passed through according to deviation e
Control signal is converted into 4~20mA signals via D/A module after processing computing, variable-frequency governor is passed to, by Frequency Converter Control
The rotating speed n of ac motor, so as to realize nutrient solution EC values and pH value constant control.
It is preferred that, the PLC uses SHP200W- using siemens PLC series, the solar panel
1P battery panel components, the photovoltaic water pump is SHP0.7/30-24 types, and the frequency converter uses Siemens MM3117.
Inverter selection uses Siemens MM3117 model frequency converters, and Siemens's MM3117 frequency converters are a high performance logical
Use frequency converter.It has an analog input end, five digital quantity inputs, be provided simultaneously with an analog output and it is multiple after
Electrical output terminal mouthful, communication interface is connected using RS485 with host computer.With very powerful overload capacity, when electric current mistake
When carrying 1.4 times, 3s can be continued；When overload capacity is 140% nominal load current, the duration is 3 seconds, works as overload current
For 1.1 times when, the duration be 60 seconds；Frequency converter also has the defencive function such as overheat, over-pressed, under-voltage simultaneously.
The PLC connects host computer by wireless data transmission module is used for remote monitoring.Also set up in PLC
There is man-machine interface, for scene manipulation.All valves and motor are directly controlled at the scene, debugging, maintenance in order to system
With maintenance.
Above content is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within protection domain with new claims.
Claims (10)
1. a kind of water-saving irrigation control system, it is characterised in that：Including PLC, photovoltaic power supply module, sampling module, soil
Earth monitoring modular and photovoltaic water pump, wherein, the photovoltaic power supply module includes solar panels, and the solar panels pass through solar energy
Shift control module and battery connection, are that the PLC and the photovoltaic water pump are powered, the sampling module and soil
Earth monitoring modular is connected with the PLC, for by the water temperature in each piece of experimental plot, liquid level, soil saturation water and soil
The information transfers such as earth nutrient content give the PLC, and the output end of the PLC connects the light by frequency converter
Water pump is lied prostrate, to control the photovoltaic water pump to carry out constant irrigation.
2. a kind of water-saving irrigation control system according to claim 1, it is characterised in that：The sampling module includes temperature
Sensor, flowmeter and liquid level gauge, the temperature sensor, flowmeter and liquid level gauge pass through data acquisition module and A/D respectively
Module is connected with the PLC.
3. a kind of water-saving irrigation control system according to claim 2, it is characterised in that the sampling module also includes setting
The pressure sensor on irrigation conduit is put, the pressure sensor is controlled by data acquisition module and A/D modules with the PLC
Device connection processed, for actual hydraulic pressure value to be transferred into the PLC and the photovoltaic water pump is adjusted by frequency converter
Speed.
4. a kind of water-saving irrigation control system according to claim 1, it is characterised in that：The soil monitoring module is soil
The saturated aqueous monitor of earth, soil saturation water cut monitor device is connected by data acquisition module and A/D modules with the PLC
Connect, for measuring soil nutrient content and data being uploaded into PLC.
5. a kind of water-saving irrigation control system according to claim 1, it is characterised in that：The frequency converter is also associated with certainly
Dynamic fertilising module, for carry out constant comparing fertigation surely according to the nutrient solution concentration EC values and pH value of setting.
6. a kind of water-saving irrigation control system according to claim 5, it is characterised in that：The automatic fertilization module includes
The fertile pump of note and acid filling pump, the magnetic valve are connected with the fertile pump of the note and acid filling pump, and the fertile pump of note and acid filling pump are by filtering
Device is connected with the photovoltaic water pump, for automatic irrigation fertilising.
7. a kind of water-saving irrigation control system according to claim 6, it is characterised in that：It is provided with the filter
EC/pH measuring instruments are used for the EC values and pH value for measuring fertilizer, and the EC/pH measuring instruments pass through A/D modules and the PLC
Connection, the input for controlling solution and acid solution.
8. a kind of water-saving irrigation control system according to claim 1, it is characterised in that：The PLC passes through nothing
Line number transmission module connection host computer is used for remote monitoring.
9. a kind of water-saving irrigation control system according to claim 8, it is characterised in that：Also set in the PLC
Man-machine interface is equipped with, for scene manipulation.
10. a kind of water-saving irrigation control system according to claim 1, it is characterised in that：The PLC is using west
The sub- S7-200 series of door, the solar panel uses SHP200W-1P battery panel components, and the photovoltaic water pump is SHP0.7/
30-24 types, the frequency converter uses Siemens MM3117.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621386542.8U CN206314208U (en) | 2016-12-16 | 2016-12-16 | A kind of water-saving irrigation control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621386542.8U CN206314208U (en) | 2016-12-16 | 2016-12-16 | A kind of water-saving irrigation control system |
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| CN206314208U true CN206314208U (en) | 2017-07-11 |
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| CN201621386542.8U Expired - Fee Related CN206314208U (en) | 2016-12-16 | 2016-12-16 | A kind of water-saving irrigation control system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107852933A (en) * | 2017-11-14 | 2018-03-30 | 王巧丽 | A kind of Fuzzy irrigation control system and its irrigation method based on PLC |
| CN107908211A (en) * | 2017-11-14 | 2018-04-13 | 朱宪民 | A kind of solar energy irrigation sprinkler water intaking pressurizing control system |
| CN107996114A (en) * | 2017-12-10 | 2018-05-08 | 江苏恒创软件有限公司 | One kind plantation automatic fertigation control system |
| CN108076771A (en) * | 2018-01-24 | 2018-05-29 | 山东农业大学 | A kind of facility water-fertilizer integrated intelligent irrigation equipment and control method |
| CN108896334A (en) * | 2018-07-09 | 2018-11-27 | 中国水利水电科学研究院 | A kind of clustered surveys hole Collaborative experiment device and its application method |
| CN110089252A (en) * | 2019-05-24 | 2019-08-06 | 腾色智能科技(南京)有限公司 | A kind of intelligent irrigation control system and method |
| CN110178707A (en) * | 2019-06-25 | 2019-08-30 | 安徽丹凤缘科技有限公司 | One kind is saved water and energy control system |
| CN111771694A (en) * | 2020-08-05 | 2020-10-16 | 湖南腾发新能源有限公司 | Intelligent irrigation system of photovoltaic water pump |
| CN112690078A (en) * | 2020-12-07 | 2021-04-23 | 广州顺绿喷灌设备有限公司 | Intelligent water, fertilizer and pesticide integrated irrigation system and method |
| CN115443891A (en) * | 2022-10-09 | 2022-12-09 | 西北农林科技大学 | Method and device for automatically adjusting drip irrigation flow according to solar irradiation intensity |
-
2016
- 2016-12-16 CN CN201621386542.8U patent/CN206314208U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107852933A (en) * | 2017-11-14 | 2018-03-30 | 王巧丽 | A kind of Fuzzy irrigation control system and its irrigation method based on PLC |
| CN107908211A (en) * | 2017-11-14 | 2018-04-13 | 朱宪民 | A kind of solar energy irrigation sprinkler water intaking pressurizing control system |
| CN107996114A (en) * | 2017-12-10 | 2018-05-08 | 江苏恒创软件有限公司 | One kind plantation automatic fertigation control system |
| CN108076771A (en) * | 2018-01-24 | 2018-05-29 | 山东农业大学 | A kind of facility water-fertilizer integrated intelligent irrigation equipment and control method |
| CN108896334A (en) * | 2018-07-09 | 2018-11-27 | 中国水利水电科学研究院 | A kind of clustered surveys hole Collaborative experiment device and its application method |
| CN110089252A (en) * | 2019-05-24 | 2019-08-06 | 腾色智能科技(南京)有限公司 | A kind of intelligent irrigation control system and method |
| CN110178707A (en) * | 2019-06-25 | 2019-08-30 | 安徽丹凤缘科技有限公司 | One kind is saved water and energy control system |
| CN111771694A (en) * | 2020-08-05 | 2020-10-16 | 湖南腾发新能源有限公司 | Intelligent irrigation system of photovoltaic water pump |
| CN112690078A (en) * | 2020-12-07 | 2021-04-23 | 广州顺绿喷灌设备有限公司 | Intelligent water, fertilizer and pesticide integrated irrigation system and method |
| CN115443891A (en) * | 2022-10-09 | 2022-12-09 | 西北农林科技大学 | Method and device for automatically adjusting drip irrigation flow according to solar irradiation intensity |
| CN115443891B (en) * | 2022-10-09 | 2023-09-26 | 西北农林科技大学 | Method and device for automatically adjusting drip irrigation flow according to solar irradiation intensity |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20171216 |