CN114982605A - Intelligent control system and control method for farmland irrigation - Google Patents
Intelligent control system and control method for farmland irrigation Download PDFInfo
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- CN114982605A CN114982605A CN202210572160.8A CN202210572160A CN114982605A CN 114982605 A CN114982605 A CN 114982605A CN 202210572160 A CN202210572160 A CN 202210572160A CN 114982605 A CN114982605 A CN 114982605A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to an intelligent control system and a control method for farmland irrigation, which comprises a single chip microcomputer, an alarm module, a display module and an irrigation module, wherein the alarm module, the display module and the irrigation module are all in communication connection with the single chip microcomputer; the control method comprises the following steps: 1. starting and initializing, 2, setting a soil temperature and humidity limit, 3, detecting a soil temperature and humidity value, 4, judging the soil temperature and humidity, and 5, controlling the start and stop of a water pump. The method can detect the temperature and the humidity of the soil in real time, judge the amount of irrigation water according to the temperature and the humidity of the soil, does not need manual operation, and is convenient and quick; the temperature and the humidity of the soil are detected in real time, the condition that the water consumption for irrigation is too large or too small is avoided, scientific irrigation is reasonably and effectively realized, and unnecessary energy consumption is reduced.
Description
Technical Field
The invention relates to an intelligent control system and a control method for farmland irrigation, and belongs to the technical field of intelligent irrigation.
Background
With the development and progress of society, agriculture develops into a short board which is developed by the current society. China is a large food consumption country, and a large amount of various crops are imported from foreign countries every year to make up for the shortage of domestic food output. In order to improve the current situation, the holding amount of cultivated land is protected, the planting area of grains is ensured, and the increase of the yield of the grains is fundamentally realized. Meanwhile, with the development of science and technology, the yield of crops can be increased by a biotechnology means. And hydraulic engineering built in various places for drought and waterlogging conservation can realize the yield increase and stable yield of crops. When the irrigation system is used, in order to better realize effective irrigation, improve the efficiency of irrigation water and save unnecessary waste of irrigation water and electricity consumption, an intelligent farmland irrigation control system and an intelligent farmland irrigation control method are needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides an intelligent control system and a control method for farmland irrigation, and the specific technical scheme is as follows:
the utility model provides an intelligent control system of field irrigation, includes singlechip, alarm module, display module and irrigates the module, alarm module, display module and irrigation module all with singlechip communication connection, the singlechip is connected with power module, irrigation module is provided with soil temperature and humidity sensor, water and electricity measuring unit, interactive unit and water pump drive unit, soil temperature and humidity sensor measures the soil humiture, water and electricity measuring unit real-time measurement terminal water supply capacity and power consumption, the data that soil temperature and humidity sensor and water and electricity measuring unit surveyed are carried to the singlechip and are shown data at display module through interactive unit, and the singlechip is received and is processed data and send control signal to irrigation module's water pump drive unit.
Further, the water and electricity measuring unit adopts HT7036 three-phase electric energy metering chip, the water and electricity measuring unit is provided with opto-coupler isolator, mutual-inductor, relay, rectifier bridge and stabiliser.
Furthermore, the interaction unit adopts an STM32 chip, and is provided with a signal converter, a communicator, a read-only memory, an RTC clock chip, an interface conversion device and a voice processor.
An intelligent control method for farmland irrigation comprises the following steps:
step 1: starting and initializing: starting a control system and initializing data in the control system, and displaying a starting interface by a display module;
step 2: setting a soil temperature and humidity limit: inputting upper and lower limit values of the set soil temperature and humidity through a display module and storing the upper and lower limit values into a storage of the single chip microcomputer;
and step 3: detecting the temperature and humidity value of soil: measuring the soil temperature and humidity in real time through a soil temperature and humidity sensor arranged at an irrigation place and processing data signals through a signal converter of an interaction unit;
and 4, step 4: judging the temperature and the humidity of the soil: the processed soil temperature and humidity signals are uploaded to the single chip microcomputer, when the detected soil temperature and humidity value is not smaller than a soil temperature and humidity lower limit value set on the single chip microcomputer, the single chip microcomputer does not send signals to the alarm module and the irrigation module, and the soil temperature and humidity sensor continues to detect; when the detected soil temperature and humidity value is smaller than the lower limit value of the soil temperature and humidity set on the single chip microcomputer, the single chip microcomputer sends signals to the alarm module and the irrigation module, the alarm module gives an alarm, and the water pump driving unit drives the water pump to irrigate;
and 5: controlling the water pump to start and stop: when the real-time temperature and humidity of soil detected by the soil temperature and humidity sensor exceeds the set upper limit value, the single chip microcomputer controls the water pump to be turned off to stop irrigation.
Further, the signal converter in the step 3 is an A/D converter, and the A/D converter converts the analog signals of the soil temperature and humidity sensor into electric signals and then transmits the electric signals to the single chip microcomputer.
Further, the alarm module is provided with a buzzer, and the buzzer and the water pump run simultaneously.
The invention has the beneficial effects that:
the method can detect the temperature and the humidity of the soil in real time, judge the amount of irrigation water according to the temperature and the humidity of the soil, does not need manual operation, and is convenient and quick; the temperature and the humidity of the soil are detected in real time, the condition that the irrigation water consumption is too large or too small is avoided, scientific irrigation is reasonably and effectively realized, and unnecessary energy consumption is reduced.
Drawings
Figure 1 is a flow chart of the method of the present invention,
fig. 2 is a block diagram of the system components of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in figure 2, the intelligent control system for farmland irrigation comprises a single chip microcomputer, an alarm module, a display module and an irrigation module, wherein the alarm module, the display module and the irrigation module are all in communication connection with the single chip microcomputer. The singlechip is connected with power module, irrigate the module and be provided with soil temperature and humidity sensor, water and electricity measuring unit, mutual unit and water pump drive unit, soil temperature and humidity sensor measures the soil humiture, water and electricity measuring unit real-time measuring terminal water supply and power consumption, the data that soil temperature and humidity sensor and water and electricity measuring unit surveyed are carried to the singlechip and are shown data at display module through mutual unit, the singlechip is received and is handled data and send control signal to the water pump drive unit of irrigation module. The water and electricity measuring unit adopts an HT7036 three-phase electric energy measuring chip and is provided with an optical coupling isolator, a mutual inductor, a relay, a rectifier bridge and a voltage stabilizer. The interaction unit adopts an STM32 chip and is provided with a signal converter, a communicator, a read-only memory, an RTC clock chip, interface conversion equipment and a voice processor. Wherein, the RTC clock chip is provided with a clock circuit. The clock circuit is used for generating clock signals, which is simply equivalent to a beat, and various instruction operations of the single chip microcomputer need to work in the beat. The invention installs a high frequency gain reverse clock reverse phase amplifier in the single chip, and the reverse clock amplifier is combined with hardware current. According to the difference of hardware current, the connection clock mode of the singlechip can be subdivided into an external clock and an internal clock, the mode selected by the invention is the internal clock, namely the internal self-oscillation clock, the working principle of the invention is actually equivalent to that the internal self-oscillation clock is a self-oscillation circuit, and the self-oscillation circuit is formed by bridging a quartz crystal and two trimming capacitors at two ends of two ports. The alarm module is used for alarming by a buzzer, the buzzer mainly converts electric energy into mechanical energy after two vibrating plates are electrified so as to sound, and the working current required by the buzzer is relatively large, so that a general TTL (transistor) storage battery on a circuit basically cannot drive the buzzer, an amplifying circuit is required to be additionally arranged for normally driving the buzzer, the required current value is achieved, and a triode is additionally arranged to increase the circuit of the buzzer.
As shown in figure 1, an intelligent control method for farmland irrigation. Firstly, a control system is started and data in the control system is initialized, and a display module displays a starting interface. And then, inputting the upper and lower limit values of the set soil temperature and humidity through a display module and storing the upper and lower limit values into a storage of the single chip microcomputer. And then, measuring the soil temperature and humidity in real time through a soil temperature and humidity sensor arranged at the irrigation site and processing data signals through a signal converter of the interaction unit. Then, the single chip microcomputer carries out sudden temperature and humidity judgment, processed soil temperature and humidity signals are uploaded to the single chip microcomputer, when the detected soil temperature and humidity value is not smaller than a soil temperature and humidity lower limit value set on the single chip microcomputer, the single chip microcomputer does not send signals to the alarm module and the irrigation module, and the soil temperature and humidity sensor continues to detect; when the detected soil temperature and humidity value is smaller than the lower limit value of the soil temperature and humidity set on the single chip microcomputer, the single chip microcomputer sends signals to the alarm module and the irrigation module, the alarm module gives an alarm, and the water pump driving unit drives the water pump to irrigate. And finally, in the process of irrigating by the water pump, measuring the temperature and the humidity of the soil in real time by a soil temperature and humidity sensor, keeping the water pump in an open state when the real-time temperature and the humidity of the soil detected by the soil temperature and humidity sensor are between the set upper limit value and the set lower limit value, and controlling the water pump to be closed by the single chip microcomputer when the real-time temperature and the humidity of the soil detected by the soil temperature and humidity sensor exceed the set upper limit value and stop irrigating.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. An intelligent control system for field irrigation is characterized in that: including singlechip, alarm module, display module and irrigation module all with singlechip communication connection, the singlechip is connected with power module, irrigation module is provided with soil temperature and humidity sensor, water and electricity measuring unit, mutual unit and water pump drive unit, soil temperature and humidity sensor measures the soil humiture, water and electricity measuring unit real-time measurement terminal output and power consumption, the data that soil temperature and humidity sensor and water and electricity measuring unit surveyed are carried to the singlechip and are shown data at display module through mutual unit, and the singlechip is received and is handled data and send control signal to the water pump drive unit who irrigates the module.
2. An intelligent control system for field irrigation according to claim 1, wherein: the water and electricity measuring unit adopts HT7036 three-phase electric energy metering chip, the water and electricity measuring unit is provided with opto-coupler isolator, mutual-inductor, relay, rectifier bridge and stabiliser.
3. An intelligent control system for field irrigation according to claim 1, wherein: the interaction unit adopts an STM32 chip and is provided with a signal converter, a communicator, a read-only memory, an RTC clock chip, interface conversion equipment and a voice processor.
4. An intelligent control method for farmland irrigation is characterized by comprising the following steps:
step 1: starting and initializing: starting a control system and initializing data in the control system, and displaying a starting interface by a display module;
and 2, step: setting a soil temperature and humidity limit: inputting upper and lower limit values of the set soil temperature and humidity through a display module and storing the upper and lower limit values into a storage of the single chip microcomputer;
and step 3: detecting the temperature and humidity value of soil: measuring the soil temperature and humidity in real time through a soil temperature and humidity sensor arranged at an irrigation place and processing data signals through a signal converter of an interaction unit;
and 4, step 4: judging the temperature and humidity of the soil: the processed soil temperature and humidity signals are uploaded to the single chip microcomputer, when the detected soil temperature and humidity value is not smaller than a soil temperature and humidity lower limit value set on the single chip microcomputer, the single chip microcomputer does not send signals to the alarm module and the irrigation module, and the soil temperature and humidity sensor continues to detect; when the detected soil temperature and humidity value is smaller than the lower limit value of the soil temperature and humidity set on the single chip microcomputer, the single chip microcomputer sends signals to the alarm module and the irrigation module, the alarm module gives an alarm, and the water pump driving unit drives the water pump to irrigate;
and 5: controlling the water pump to start and stop: in the process of irrigating by the water pump, the soil temperature and humidity sensor measures the temperature and humidity of soil in real time, when the real-time temperature and humidity of the soil detected by the soil temperature and humidity sensor is between the set upper limit value and the set lower limit value, the water pump is kept in an open state, and when the real-time temperature and humidity of the soil detected by the soil temperature and humidity sensor exceeds the set upper limit value, the water pump is controlled by the single chip microcomputer to be closed to stop irrigating.
5. The control circuit for an irrigation system as recited in claim 4, wherein: and 3, converting the analog signals of the soil temperature and humidity sensor into electric signals by the A/D converter, and transmitting the electric signals to the singlechip.
6. The control circuit for an irrigation system as recited in claim 4, wherein: the alarm module is provided with a buzzer, and the buzzer and the water pump run simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210572160.8A CN114982605A (en) | 2022-05-25 | 2022-05-25 | Intelligent control system and control method for farmland irrigation |
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| CN202210572160.8A CN114982605A (en) | 2022-05-25 | 2022-05-25 | Intelligent control system and control method for farmland irrigation |
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Citations (11)
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|---|---|---|---|---|
| US5207380A (en) * | 1992-02-26 | 1993-05-04 | Frank Harryman | Irrigation control system |
| CN103688824A (en) * | 2012-09-27 | 2014-04-02 | 李超 | Intelligent flower-watering device |
| KR20140090724A (en) * | 2012-12-26 | 2014-07-18 | 경기과학기술대학교 산학협력단 | Automatic irrigation system for plant cultivation |
| CN104686296A (en) * | 2013-12-06 | 2015-06-10 | 刘扬 | Field irrigation intelligent control system based on multichannel sensors |
| CN105432436A (en) * | 2014-09-24 | 2016-03-30 | 何志杰 | Field-irrigation automatic measurement and control system based on ZigBee |
| CN105432428A (en) * | 2016-01-22 | 2016-03-30 | 福建师范大学福清分校 | ARM-based water-saving irrigation intelligent system and implementation method thereof |
| CN207424597U (en) * | 2017-11-15 | 2018-05-29 | 南京信息工程大学 | Farm intelligence irrigation system based on ZigBee technology |
| CN108112460A (en) * | 2017-12-26 | 2018-06-05 | 黄淮学院 | Based on monolithic processor controlled automatic irrigation system |
| CN109006387A (en) * | 2018-08-07 | 2018-12-18 | 安徽电信工程有限责任公司 | A kind of accurate intelligent irrigation rig based on Internet of Things |
| CN111919731A (en) * | 2020-08-28 | 2020-11-13 | 内蒙古科技大学 | Internet of things agricultural irrigation controller |
| CN112352658A (en) * | 2020-11-10 | 2021-02-12 | 广州大学 | Intelligent irrigation control system capable of working synchronously |
-
2022
- 2022-05-25 CN CN202210572160.8A patent/CN114982605A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5207380A (en) * | 1992-02-26 | 1993-05-04 | Frank Harryman | Irrigation control system |
| CN103688824A (en) * | 2012-09-27 | 2014-04-02 | 李超 | Intelligent flower-watering device |
| KR20140090724A (en) * | 2012-12-26 | 2014-07-18 | 경기과학기술대학교 산학협력단 | Automatic irrigation system for plant cultivation |
| CN104686296A (en) * | 2013-12-06 | 2015-06-10 | 刘扬 | Field irrigation intelligent control system based on multichannel sensors |
| CN105432436A (en) * | 2014-09-24 | 2016-03-30 | 何志杰 | Field-irrigation automatic measurement and control system based on ZigBee |
| CN105432428A (en) * | 2016-01-22 | 2016-03-30 | 福建师范大学福清分校 | ARM-based water-saving irrigation intelligent system and implementation method thereof |
| CN207424597U (en) * | 2017-11-15 | 2018-05-29 | 南京信息工程大学 | Farm intelligence irrigation system based on ZigBee technology |
| CN108112460A (en) * | 2017-12-26 | 2018-06-05 | 黄淮学院 | Based on monolithic processor controlled automatic irrigation system |
| CN109006387A (en) * | 2018-08-07 | 2018-12-18 | 安徽电信工程有限责任公司 | A kind of accurate intelligent irrigation rig based on Internet of Things |
| CN111919731A (en) * | 2020-08-28 | 2020-11-13 | 内蒙古科技大学 | Internet of things agricultural irrigation controller |
| CN112352658A (en) * | 2020-11-10 | 2021-02-12 | 广州大学 | Intelligent irrigation control system capable of working synchronously |
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