CN116369026A - Water and fertilizer integrated regulation and control intelligent irrigation system - Google Patents

Water and fertilizer integrated regulation and control intelligent irrigation system Download PDF

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Publication number
CN116369026A
CN116369026A CN202310295825.XA CN202310295825A CN116369026A CN 116369026 A CN116369026 A CN 116369026A CN 202310295825 A CN202310295825 A CN 202310295825A CN 116369026 A CN116369026 A CN 116369026A
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fertilizer
module
pipeline
water
liquid
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孟繁佳
黄彭志
李莉
宋文臻
赵维娟
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China Agricultural University
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China Agricultural University
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/042—Adding fertiliser to watering systems
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/007—Metering or regulating systems
    • 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
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y10/00—Economic sectors
    • G16Y10/05—Agriculture
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00—IoT characterised by the purpose of the information processing
    • G16Y40/10—Detection; Monitoring
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00—IoT characterised by the purpose of the information processing
    • G16Y40/30—Control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computing Systems (AREA)
  • Water Supply & Treatment (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • General Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Business, Economics & Management (AREA)
  • Agronomy & Crop Science (AREA)
  • Health & Medical Sciences (AREA)
  • Accounting & Taxation (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fertilizing (AREA)

Abstract

The invention discloses a water and fertilizer integrated regulation intelligent irrigation system, which belongs to the technical field of water and fertilizer integration, and particularly relates to a water and fertilizer integrated regulation intelligent irrigation system, comprising a water and fertilizer machine, an upper computer control system, a sensor acquisition platform and an Internet of things cloud platform, wherein the water and fertilizer machine is connected with the upper computer control system, the upper computer control system is connected with the Internet of things cloud platform, and the sensor acquisition platform is connected with the Internet of things cloud platform; the liquid manure machine includes integral type switch board, sensor module, inlet channel module, inhale fertile pipeline module, go out fertile pipeline module, wash pipeline module, mix fertile bucket, sensor module and wet return pipeline module, integral type switch board and mix fertile bucket and install on the section bar, inlet channel module, inhale fertile pipeline module, go out fertile pipeline module, mix fertile bucket liquid outlet end and wash pipeline module and connect on mixing fertile bucket. The invention has simple structure and convenient use, can irrigate fertilizer with proper amount and proper concentration according to the plant requirement and environmental change, can improve the utilization rate of the water fertilizer and realize the healthy growth of crops.

Description

Water and fertilizer integrated regulation and control intelligent irrigation system
Technical Field
The invention relates to the field of agricultural irrigation, in particular to a water and fertilizer integrated regulation intelligent irrigation system.
Background
At present, the farmland irrigation has the problems of water and fertilizer utilization rate caused by over-irrigation and over-fertilization, which not only results in extremely high waste rate, but also brings problems of agricultural product quality, yield reduction and environmental pollution. The construction of the intelligent water and fertilizer regulating and controlling system for promoting and regulating water by water and fertilizer is an important direction for the development of agricultural modernization. At present, a water and fertilizer integrated regulation irrigation system is lacking.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a water and fertilizer integrated regulation intelligent irrigation system which can regulate fertilizer proportion and irrigation water quantity required by crop growth according to different stages of plant growth and environmental factor data in a sunlight greenhouse so as to improve the water and fertilizer utilization rate and realize healthy growth of crops.
In order to solve the technical problems, the invention adopts the following technical scheme:
the intelligent irrigation system is characterized in that the water and fertilizer machine is connected with the upper computer control system, the upper computer control system is connected with the Internet of things cloud platform, and the sensor acquisition platform is connected with the Internet of things cloud platform;
the water and fertilizer machine comprises an integrated control cabinet, a fertilizer mixing barrel, a water inlet pipeline module, a fertilizer outlet pipeline module, a fertilizer suction pipeline module, a cleaning pipeline module, a sensor module and a water return pipeline module;
the integrated control cabinet and the fertilizer mixing barrel are arranged on the profile, the water inlet pipeline module and the fertilizer suction pipeline module are connected with the liquid inlet end of the fertilizer mixing barrel through a three-way pipeline, the fertilizer outlet pipeline module is connected with the liquid outlet end of the fertilizer mixing barrel through a pipeline, the cleaning pipeline module is connected with the cleaning liquid outlet end of the fertilizer mixing barrel, and the water return pipeline module is connected with an irrigation line;
the integrated control cabinet comprises a main cabinet, a cabinet shading shed, an industrial personal computer module, an LCD (liquid crystal display), an irrigation control module, a singlechip module, an electromagnetic valve control module, an air switch, an alternating current contactor and a 485 communication module; the upper part of the main body cabinet is provided with an industrial personal computer module, and the lower part of the main body cabinet is provided with a control cabinet body; the LCD display screen is arranged on the outer side of the control cabinet, and the irrigation control module, the singlechip module, the electromagnetic valve control module, the air switch, the alternating current contactor and the 485 communication module are all arranged in the control cabinet; the air switch is used for controlling the switching of the main power supply; the industrial personal computer module is used as an upper computer of the system to communicate with the lower computer singlechip module through the 485 communication module, the singlechip module is used as a lower computer to transmit information to the industrial personal computer module and the LCD display screen for displaying, the singlechip module realizes fertilizer sucking and irrigation through the control of the electromagnetic valve control module and the irrigation control module, and the irrigation control module controls the start and stop of the centrifugal pump through controlling the on-off of the alternating current contactor;
the fertilizer mixing barrel comprises a barrel cover, a fertilizer mixing barrel body, a liquid inlet end of the fertilizer mixing barrel, a liquid outlet end of the fertilizer mixing barrel, a cleaning liquid outlet end of the fertilizer mixing barrel, a high liquid level floater and a low liquid level floater; the barrel cover is arranged on the fertilizer mixing barrel body; the liquid inlet end is connected with the water inlet pipeline module and the fertilizer suction pipeline module through a three-way pipeline at the same time; the liquid outlet end of the fertilizer mixing barrel is connected with the fertilizer outlet pipeline module through a pipeline; the cleaning liquid outlet end of the fertilizer mixing barrel is connected with a cleaning pipeline; the high liquid level floater is connected with the diaphragm valve through a hose, and the diaphragm valve is opened and closed by utilizing a mechanical structure; the low liquid level float transmits information to the singlechip module through an electric signal, so that the control of whether the centrifugal pump works or not is realized.
The water inlet pipeline module comprises an intelligent water meter, a pneumatic diaphragm valve and a first pressure meter; the water inflow data of the intelligent water meter is uploaded to the singlechip module; the pneumatic diaphragm valve is connected with the intelligent water meter; the first pressure gauge is connected with the diaphragm valve through a hose and is used for measuring the water inlet pressure of the pipeline;
the fertilizer outlet pipeline module comprises a centrifugal pump and a second pressure gauge; the liquid inlet end of the centrifugal pump is connected with the liquid outlet end of the fertilizer mixing barrel, the liquid outlet end of the centrifugal pump is connected with a three-way joint, one interface of the three-way joint is connected with an external irrigation pipeline, and the other interface of the three-way joint is connected with a second pressure gauge through a hose and is used for measuring the pressure of the fertilizer pipeline;
the fertilizer suction pipeline module comprises a fertilizer suction electromagnetic valve module, a flowmeter, a venturi and a vacuum meter; the electromagnetic valve module comprises a first liquid inlet end, a second liquid inlet end and a first liquid outlet end, wherein the first liquid inlet end is connected with an outlet of the fertilizer mother liquid and is used for absorbing the fertilizer mother liquid, the second liquid inlet end is connected with the cleaning pipeline module and is used for cleaning the flowmeter, and the first liquid outlet end is connected with the liquid inlet end of the flowmeter; the liquid outlet end of the flowmeter is connected with the Venturi fertilizer suction cavity through a hose and is used for displaying the flow of the fertilizer inlet liquid; the venturi water inlet section is connected with the water inlet pipeline module and is used for generating negative pressure to suck and mix fertilizer; the venturi fertilizer outlet section is connected with a liquid inlet end on the fertilizer mixing barrel; the vacuum meter is connected with the Venturi fertilizer suction cavity through a hose and is used for measuring the vacuum negative pressure value of the Venturi;
the cleaning pipeline module comprises a cleaning pipeline, a second movable ball valve is arranged on the cleaning pipeline module, and during normal irrigation, the second movable ball valve is in a closed state, so that no liquid is discharged into the cleaning pipeline from a cleaning liquid outlet end; when cleaning is needed, the second movable ball valve is opened, so that liquid can flow into the flowmeter through the cleaning pipeline module, and the flowmeter is cleaned;
the sensor module comprises an EC sensor, a PH sensor, an ambient temperature sensor, an ambient humidity sensor, an ambient illumination sensor and a soil temperature and humidity sensor; the EC sensor and the PH sensor are arranged in the fertilizer mixing barrel, the environmental temperature sensor, the environmental humidity sensor and the environmental illumination sensor are suspended in the greenhouse, and the soil temperature and humidity sensor is inserted into a substrate for crop growth; uploading the data of the sensor module to the singlechip module;
the water return pipeline module comprises a water return pipeline, an intelligent water meter and a water return barrel; the water return pipeline collects water and fertilizer residual liquid generated by farmland irrigation, the water and fertilizer residual liquid is stored in the water return barrel, the intelligent water meter records the flow of the collected water and fertilizer residual liquid in real time, and the water and fertilizer residual liquid is discharged into the water inlet pipeline module at regular time.
Furthermore, the case shading shed is positioned above the industrial personal computer module, so that sunlight is prevented from directly irradiating the screen of the industrial personal computer;
further, the integrated control cabinet is also provided with a solenoid valve control module and a manual control module of an irrigation control module, the manual control module is arranged on the outer side of the control cabinet, and the manual control module controls the solenoid valve control module and the irrigation control module to realize manual selection of the fertilizer sucking pipeline and the irrigation pipeline. The manual control module can adjust the mode of the lower computer to manual control, and the lower computer is not controlled by the setting program of the upper computer.
Further, the liquid inlet end of the fertilizer mixing barrel, the liquid outlet end of the fertilizer mixing barrel and the cleaning liquid outlet end of the fertilizer mixing barrel penetrate through the outer wall of the fertilizer mixing barrel body and are used for entering and discharging liquid fertilizer and water; the high liquid level floater and the low liquid level floater are arranged in the fertilizer mixing barrel body.
Further, the fertilizer outlet pipeline module and the cleaning pipeline module are connected with movable ball valves for manual opening and closing and maintenance of the pipelines.
Further, the fertilizer sucking electromagnetic valve and the flowmeter are provided with five sets, and can be used for sucking fertilizers in five paths.
The invention has the beneficial effects that: the irrigation nutrient solution with proper flow, EC value and PH value can be prepared and allocated to irrigate timely according to the requirement of crop growth, and the environmental data in the greenhouse and the water return data remained by irrigation are collected to regulate the irrigation plan, so that the problems of serious waste and influence on healthy growth of crops caused by improper regulation and control of water fertilizer in the current sunlight greenhouse are solved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of a water and fertilizer integrated control intelligent irrigation system according to the present invention;
FIG. 2 is a schematic diagram of a water and fertilizer machine of the water and fertilizer integrated control intelligent irrigation system;
FIG. 3 is a schematic view of a first orientation of the structure of the water and fertilizer machine of the present invention;
FIG. 4 is a schematic view of a second orientation of the structure of the water and fertilizer machine of the present invention;
FIG. 5 is a schematic view showing the internal construction of the integrated control cabinet of the present invention;
FIG. 6 is a schematic view of the internal construction of the mixing bucket according to the present invention;
FIG. 7 is a schematic view of a water intake pipe module according to the present invention;
FIG. 8 is a schematic structural view of a fertilizer outlet pipe module according to the present invention;
FIG. 9 is a schematic structural view of a fertilizer suction pipe module according to the present invention;
FIG. 10 is a schematic view of a cleaning pipeline module according to the present invention;
FIG. 11 is a schematic view of the venturi module of the present invention;
fig. 12 is a schematic structural diagram of a water return pipeline module according to the present invention.
The reference numerals in the figures are:
1. an integrated control cabinet; 101. a cabinet shading shed; 102. the industrial personal computer module; 103. an LCD display screen; 104. a manual control module; 105. an irrigation control module; 106. a singlechip module; 107. a solenoid valve module; 108. an air switch; 109. an alternating current contactor; 110. 485 communication module; 2. a fertilizer mixing barrel; 201. a barrel cover; 202. a fertilizer mixing barrel body; 203. a liquid inlet end; 204. a liquid outlet end; 205. cleaning a liquid outlet end; 206. a high level float; 207. a low liquid level float; 3. a water inlet pipeline module; 301. a diaphragm valve; 302. an intelligent water meter; 303. a first barometer; 4. a fertilizer outlet pipeline module; 401. a centrifugal pump; 402. a second pressure gauge; 403. a first live ball valve; 5. a fertilizer suction pipeline module; 501. a fertilizer suction electromagnetic valve module; 502. a flow meter; 503. a venturi; 504. a venturi water inlet section; 505. a venturi fertilizer outlet section; 506. a venturi fertilizer sucking cavity; 507. a vacuum gauge; 6. cleaning the pipeline module; 601. a second live ball valve; 602. cleaning a pipeline; 7. a sensor module; 701. an EC sensor; 702. a PH sensor; 8. a return water pipeline module; 801. a water return line; 802. an intelligent water meter; 803. and (5) returning to the water barrel.
Detailed Description
The present invention will be further explained by describing specific embodiments in conjunction with the accompanying drawings for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. The following examples will illustrate the present patent but are not intended to limit the scope of the invention.
1-11, a water and fertilizer integrated regulation and control intelligent irrigation system comprises a water and fertilizer machine, an upper computer control system, a sensor acquisition platform and an Internet of things cloud platform, and is characterized in that the water and fertilizer machine is connected with the upper computer control system, the upper computer control system is connected with the Internet of things cloud platform, and the sensor acquisition platform is connected with the Internet of things cloud platform; the water and fertilizer machine (lower computer) transmits the running state of the equipment and EC and PH data in the liquid mixing barrel to the upper computer, and the upper computer can control the lower computer. The upper computer uploads the device data to the cloud platform for display and storage, and the cloud platform can remotely send the data to the upper computer. The sensor acquisition platform uploads the acquired greenhouse environment data to the cloud platform for display and storage;
the water and fertilizer machine comprises an integrated control cabinet 1, a fertilizer mixing barrel 2, a water inlet pipeline module 3, a fertilizer outlet pipeline module 4, a fertilizer suction pipeline module 5, a cleaning pipeline module 6, a sensor module 7 and a water return pipeline module 8;
the integrated control cabinet 1, the fertilizer mixing barrel 2 and the integral pipeline are arranged on the section bar.
The integrated control cabinet 1 comprises a cabinet shading shed 101, an industrial personal computer module 102, an LCD display screen 103, a manual control module 104, an irrigation control module 105, a singlechip module 106, an electromagnetic valve control module 107, an air switch 108, an alternating current contactor 109 and a 485 communication module 110. The case shading canopy 101 is located above the industrial computer module 102, so that sunlight is prevented from directly irradiating the screen of the industrial computer, the air switch 108 is used for controlling the opening and closing of a total power supply, the industrial computer module 102 is used as an upper computer of the system to communicate with the lower computer singlechip module 106 through the 485 communication module 110, the singlechip module 106 is used as a lower computer to transmit information to the industrial computer system and the LCD display screen 103 to display, the singlechip module 106 is used for controlling the electromagnetic valve control module 107 and the irrigation control module 105 to realize fertilizer sucking and irrigation, and the irrigation control module 105 is used for controlling the on-off of the alternating current contactor 109 to control whether the centrifugal pump 401 works or not.
The manual control module 104 can adjust the lower computer mode into manual control, at the moment, the lower computer is no longer controlled by the set program of the upper computer, and the manual control module 104 can directly control the electromagnetic valve control module 107 and the irrigation control module 105 to realize manual selection of the fertilizer sucking pipeline and the irrigation pipeline.
The fertilizer mixing barrel 2 comprises a barrel cover 201, a fertilizer mixing barrel body 202, a liquid inlet end, a liquid outlet end, a cleaning liquid outlet end, a high liquid level floater 206 and a low liquid level floater 207. Wherein the barrel cover 201 is arranged on the fertilizer mixing barrel body 202, so that sundries are prevented from falling into the fertilizer mixing barrel 2. The liquid inlet end, the liquid outlet end and the cleaning liquid outlet end penetrate through the outer wall of the fertilizer mixing barrel body 202 and are used for entering and discharging liquid fertilizer and water. Wherein the liquid inlet end is connected with the water inlet pipeline module 3 and the fertilizer suction pipeline module 5 through a three-way pipeline, the liquid outlet end is connected with the fertilizer outlet pipeline module 4 through a pipeline, and the cleaning liquid outlet end is connected with the cleaning pipeline 602.
Wherein the cleaning pipe module 6 is provided with a second movable ball valve 601, and the second movable ball valve 601 is closed during normal irrigation, so that no liquid is discharged into the cleaning pipe 602 from the cleaning liquid outlet end. When cleaning is needed, the second movable ball valve 601 is opened, so that liquid can flow into the flowmeter 502 through the cleaning pipeline module 6, and cleaning of the flowmeter 502 is realized.
Wherein, the high liquid level floater 206 and the low liquid level floater 207 are both arranged in the mixed fertilizer barrel 202, the high liquid level floater 206 is connected with the diaphragm valve 301 through a hose, and the diaphragm valve 301 is opened and closed by a mechanical structure; the low liquid level floater 207 transmits information to the singlechip module 106 through an electric signal, so that whether the centrifugal pump 401 works or not is controlled.
When the liquid level in the mixed fertilizer tube is higher than the high liquid level floater 206, the high liquid level floater 206 is jacked up by the liquid, the diaphragm valve 301 is closed by the high liquid level floater 206 through a mechanical structure, so that the liquid stops entering the mixed fertilizer barrel 2, after the liquid level drops, the high liquid level floater 206 falls down, the diaphragm valve 301 is opened, and the liquid continues to flow into the mixed fertilizer barrel 2. When the liquid level continuously drops below the low-liquid-level floater 207, the low-liquid-level floater 207 which is originally jacked up by the liquid level drops, the low-liquid-level floater 207 transmits information to the singlechip module 106, and the singlechip module 106 controls the irrigation control module 105 to stop irrigation.
The water inlet pipeline module 3 comprises a diaphragm valve 301, an intelligent water meter 302 and a first air pressure meter 303, wherein a water inlet of the intelligent water meter 302 is connected with an external water inlet pipeline, a water outlet of the intelligent water meter 302 is connected with a water inlet of the diaphragm valve 301, a water outlet of the diaphragm valve 301 is respectively connected with the liquid inlet end 203 of the fertilizer mixing barrel and the first air pressure meter 303 through a three-way pipeline, and the first air pressure meter 303 is used for measuring pipeline pressure of the water inlet pipeline.
The intelligent water meter 302 is used for measuring the inflow of the water inlet pipeline, and simultaneously sending the inflow data to the singlechip module 106 through the IIC protocol.
The fertilizer outlet pipeline module 4 comprises a centrifugal pump 401, a second pressure gauge 402 and a first movable ball valve 403, wherein the centrifugal pump 401 is respectively connected with the liquid outlet end 204 of the fertilizer mixing barrel and the second pressure gauge 402 through a three-way pipeline, the second pressure gauge 402 is used for measuring the pipeline pressure of the fertilizer outlet pipeline, and the second movable ball valve 601 can adjust the opening and closing degree according to the water inlet rate so as to realize the balance of the liquid level height in the fertilizer mixing barrel 2.
The fertilizer sucking pipeline module 5 comprises a fertilizer sucking electromagnetic valve module 501, a flowmeter 502, a Venturi 503 and a vacuum meter 507, wherein the fertilizer sucking electromagnetic valve module 501 is a three-way electromagnetic valve, a first liquid inlet end of the fertilizer sucking electromagnetic valve module 501 is connected with an external fertilizer sucking pipeline and used for sucking fertilizer liquid, a second liquid inlet end of the fertilizer sucking electromagnetic valve module 501 is connected with a cleaning pipeline module 6 and used for cleaning the flowmeter 502, a first liquid outlet end of the fertilizer sucking electromagnetic valve module 501 is connected with the lower end of the flowmeter 502, the flowmeter 502 is used for measuring the flow of fertilizer sucking, and the upper end of the flowmeter 502 is connected with a Venturi quick connector 506 through a hose and used for feeding the fertilizer liquid into the Venturi 503.
The fertilizer sucking electromagnetic valve module 501 and the flowmeter 502 are five sets with the same function and matched with each other, and can be connected to five different fertilizer mother solutions through external pipelines for absorbing different fertilizers, wherein the opening and closing of the electromagnetic valve module 501 is controlled by the electromagnetic valve control module 107.
The venturi 503 comprises a venturi water inlet section 504, a venturi fertilizer outlet section 505 and a venturi fertilizer suction cavity 506, the venturi water inlet section 504 is connected with the fertilizer outlet pipeline module 4 through a three-way pipeline, a centrifugal pump 401 of the fertilizer outlet pipeline module 4 provides negative pressure for the venturi 503 during operation, the fertilizer suction process of the venturi 503 is completed, the venturi fertilizer outlet section 505 is connected to the water inlet pipeline module 3 through a three-way pipeline, the venturi fertilizer suction cavity 506 is provided with eight identical quick connectors, five quick connectors are selected to be connected with liquid outlet ends of the five flow meters 502 through hoses respectively, two quick connectors are selected to be in butt joint through hoses, and one quick connector is selected to be connected with a vacuum gauge 507 through a hose for displaying the negative pressure of the venturi 503.
The cleaning pipeline module 6 comprises a second movable ball valve 601 and a cleaning pipeline 602, wherein the second movable ball valve 601 is connected with the cleaning pipeline and the cleaning liquid outlet end 205 of the fertilizer mixing barrel, and the cleaning pipeline 602 is connected with the five flow meters 502.
Wherein, when the liquid manure machine irrigates, close the second ball valve 601, do not have the fertilizer liquid through the wash pipeline, when needs flowmeter 502 clean, open the second ball valve 601, liquid from mixing the fertile bucket washs out liquid end 205 inflow flowmeter 502.
The sensor module 7 comprises an EC sensor 701, a PH sensor 702, an ambient temperature sensor, an ambient humidity sensor, an ambient illumination sensor and a soil temperature and humidity sensor; the EC sensor 701 and the PH sensor 702 are arranged on the fertilizer mixing barrel 2, the environmental temperature sensor, the environmental humidity sensor and the environmental illumination sensor are hung in a greenhouse, and the soil temperature and humidity sensor is inserted into a substrate for crop growth; all of the sensor data described above is uploaded to the single chip module 106.
The EC sensor 701 and the PH sensor 702 are two sets, and are respectively used for more accurately measuring the conductivity and the PH value of the fertilizer in the fertilizer mixing barrel 2.
The environment temperature sensor, the environment humidity sensor, the environment illumination sensor and the soil temperature and humidity sensor are optional sensors, and the installation position and the installation quantity are automatically determined according to the size of the greenhouse and the requirement on environment temperature regulation.
The water return pipeline module 8 comprises a water return pipeline 801, an intelligent water meter 802 and a water return barrel 803. The water return pipeline 801 is a rear connecting pipeline of an irrigation pipeline and is responsible for collecting water and fertilizer residual liquid generated during irrigation; the intelligent water meter 802 records the collected water and fertilizer residue flow in real time, sends the water and fertilizer residue flow data to the singlechip module through the IIC protocol, and simultaneously discharges the water and fertilizer residue into the water inlet pipeline module 3 at regular time.
The first pressure gauge, the vacuum gauge 507 and the second pressure gauge 402 are installed above the installation plate connected with the section bar frame in parallel, so that the pressure of the water inlet pipeline module 3, the venturi 503 and the fertilizer outlet pipeline module 4 can be conveniently observed.
In order to better realize the intelligent regulation and control of the water and fertilizer machine,
the invention designs a whole set of upper computer program, and the functions of the upper computer software comprise:
1. the type and the proportion of the absorbing fertilizer are set. The user can select the fertilizer types and the fertilizer sucking proportion according to the growth requirement of crops, and at most, five electromagnetic valve modules 501 can be started to suck the fertilizer.
2. Setting the EC value and PH value of irrigation. The user can set the EC value and the PH value of irrigation fertilizer by himself according to the growth requirement of crops, and the singlechip module 106 performs PID regulation according to the EC data and the PH data in the mixed fertilizer bucket 2 measured by the EC sensor 701 and the PH sensor 702 so as to adjust the EC value and the PH value in the mixed fertilizer bucket 2 to be stable to the required setting.
3. And arranging irrigation pipelines. According to the invention, the selection of at most twenty-four irrigation pipelines is realized through the three irrigation control modules 105, and users can set irrigation pipelines according to the pipeline arrangement and the number of greenhouses, so that the continuous irrigation of twenty-four greenhouses can be realized at most.
4. And displaying the working state of the current lower computer in real time. The user checks real-time sensor data, working states of the fertilizer sucking electromagnetic valve and the irrigation channel and real-time parameters of PID control on an upper computer program.
5. And intelligent regulation and control of irrigation parameters are performed according to the sensor data and the backwater data. According to the intelligent water meter 802 flow data of the environmental factor data water return pipeline module 8 in the greenhouse uploaded by the sensor module 7, an irrigation strategy is formulated, and irrigation parameters are regulated and controlled timely according to environmental changes.
In the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as an indication of the importance of the technical feature, but rather the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally formed, for example; either mechanically, electrically, or via a wireless network. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above examples illustrate the basic principles, main features and advantages of the use of the present invention. It will be appreciated by persons skilled in the art that the present invention is not limited to the examples described above, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are within the scope of the invention as claimed.

Claims (7)

1. The intelligent irrigation system is characterized in that the water and fertilizer machine is connected with the upper computer control system, the upper computer control system is connected with the Internet of things cloud platform, and the sensor acquisition platform is connected with the Internet of things cloud platform;
the water and fertilizer machine comprises an integrated control cabinet, a fertilizer mixing barrel, a water inlet pipeline module, a fertilizer outlet pipeline module, a fertilizer suction pipeline module, a cleaning pipeline module, a sensor module and a water return pipeline module;
the integrated control cabinet and the fertilizer mixing barrel are arranged on the profile, the water inlet pipeline module and the fertilizer suction pipeline module are connected with the liquid inlet end of the fertilizer mixing barrel through a three-way pipeline, the fertilizer outlet pipeline module is connected with the liquid outlet end of the fertilizer mixing barrel through a pipeline, the cleaning pipeline module is connected with the cleaning liquid outlet end of the fertilizer mixing barrel, and the water return pipeline module is connected with an irrigation line;
the integrated control cabinet comprises a main cabinet, a cabinet shading shed, an industrial personal computer module, an LCD (liquid crystal display), an irrigation control module, a singlechip module, an electromagnetic valve control module, an air switch, an alternating current contactor and a 485 communication module; the upper part of the main body cabinet is provided with an industrial personal computer module, and the lower part of the main body cabinet is provided with a control cabinet body; the LCD display screen is arranged on the outer side of the control cabinet, and the irrigation control module, the singlechip module, the electromagnetic valve control module, the air switch, the alternating current contactor and the 485 communication module are all arranged in the control cabinet; the air switch is used for controlling the switching of the main power supply; the industrial personal computer module is used as an upper computer of the system to communicate with the lower computer singlechip module through the 485 communication module, the singlechip module is used as a lower computer to transmit information to the industrial personal computer module and the LCD display screen for displaying, the singlechip module realizes fertilizer sucking and irrigation through the control of the electromagnetic valve control module and the irrigation control module, and the irrigation control module controls the start and stop of the centrifugal pump through controlling the on-off of the alternating current contactor;
the fertilizer mixing barrel comprises a barrel cover, a fertilizer mixing barrel body, a liquid inlet end of the fertilizer mixing barrel, a liquid outlet end of the fertilizer mixing barrel, a cleaning liquid outlet end of the fertilizer mixing barrel, a high liquid level floater and a low liquid level floater; the barrel cover is arranged on the fertilizer mixing barrel body; the liquid inlet end is connected with the water inlet pipeline module and the fertilizer suction pipeline module through a three-way pipeline at the same time; the liquid outlet end of the fertilizer mixing barrel is connected with the fertilizer outlet pipeline module through a pipeline; the cleaning liquid outlet end of the fertilizer mixing barrel is connected with a cleaning pipeline; the high liquid level floater is connected with the diaphragm valve through a hose, and the diaphragm valve is opened and closed by utilizing a mechanical structure; the low liquid level float transmits information to the singlechip module through an electric signal to realize the control of whether the centrifugal pump works or not;
the water inlet pipeline module comprises an intelligent water meter, a pneumatic diaphragm valve and a first pressure meter; the water inflow data of the intelligent water meter is uploaded to the singlechip module; the pneumatic diaphragm valve is connected with the intelligent water meter; the first pressure gauge is connected with the diaphragm valve through a hose and is used for measuring the water inlet pressure of the pipeline;
the fertilizer outlet pipeline module comprises a centrifugal pump and a second pressure gauge; the liquid inlet end of the centrifugal pump is connected with the liquid outlet end of the fertilizer mixing barrel, the liquid outlet end of the centrifugal pump is connected with a three-way joint, one interface of the three-way joint is connected with an external irrigation pipeline, and the other interface of the three-way joint is connected with a second pressure gauge through a hose and is used for measuring the pressure of the fertilizer pipeline;
the fertilizer suction pipeline module comprises a fertilizer suction electromagnetic valve module, a flowmeter, a venturi and a vacuum meter; the electromagnetic valve module comprises a first liquid inlet end, a second liquid inlet end and a first liquid outlet end, wherein the first liquid inlet end is connected with an outlet of the fertilizer mother liquid and is used for absorbing the fertilizer mother liquid, the second liquid inlet end is connected with the cleaning pipeline module and is used for cleaning the flowmeter, and the first liquid outlet end is connected with the liquid inlet end of the flowmeter; the liquid outlet end of the flowmeter is connected with the Venturi fertilizer suction cavity through a hose and is used for displaying the flow of the fertilizer inlet liquid; the venturi water inlet section is connected with the water inlet pipeline module and is used for generating negative pressure to suck and mix fertilizer; the venturi fertilizer outlet section is connected with a liquid inlet end on the fertilizer mixing barrel; the vacuum meter is connected with the Venturi fertilizer suction cavity through a hose and is used for measuring the vacuum negative pressure value of the Venturi;
the cleaning pipeline module comprises a cleaning pipeline, a second movable ball valve is arranged on the cleaning pipeline module, and during normal irrigation, the second movable ball valve is in a closed state, so that no liquid is discharged into the cleaning pipeline from a cleaning liquid outlet end; when cleaning is needed, the second movable ball valve is opened, so that liquid can flow into the flowmeter through the cleaning pipeline module, and the flowmeter is cleaned;
the sensor module comprises an EC sensor, a PH sensor, an ambient temperature sensor, an ambient humidity sensor, an ambient illumination sensor and a soil temperature and humidity sensor; the EC sensor and the PH sensor are arranged in the fertilizer mixing barrel, the environmental temperature sensor, the environmental humidity sensor and the environmental illumination sensor are suspended in the greenhouse, and the soil temperature and humidity sensor is inserted into a substrate for crop growth; uploading the data of the sensor module to the singlechip module;
the water return pipeline module comprises a water return pipeline, an intelligent water meter and a water return barrel; the water return pipeline collects water and fertilizer residual liquid generated by farmland irrigation, the water and fertilizer residual liquid is stored in the water return barrel, the intelligent water meter records the flow of the collected water and fertilizer residual liquid in real time, and the water and fertilizer residual liquid is discharged into the water inlet pipeline module at regular time.
2. The water and fertilizer integrated regulation and control intelligent irrigation system of claim 1, wherein the cabinet shading shed is located above the industrial personal computer module.
3. The water and fertilizer integrated regulation and control intelligent irrigation system according to claim 1 or 2, wherein the integrated control cabinet is further provided with a solenoid valve control module and a manual control module of the irrigation control module, the manual control module is arranged on the outer side of the control cabinet, and the manual control module controls the solenoid valve control module and the irrigation control module to realize manual selection of a fertilizer sucking pipeline and an irrigation pipeline.
4. The intelligent irrigation system with integrated water and fertilizer regulation and control according to claim 3, wherein the liquid inlet end of the fertilizer mixing barrel, the liquid outlet end of the fertilizer mixing barrel and the cleaning liquid outlet end of the fertilizer mixing barrel penetrate through the outer wall of the fertilizer mixing barrel body and are used for entering and discharging liquid fertilizer and water.
5. The intelligent irrigation system with integrated water and fertilizer regulation and control functions according to claim 4, wherein the high-liquid-level floater and the low-liquid-level floater are arranged inside the fertilizer mixing bucket body.
6. The intelligent irrigation system with integrated water and fertilizer regulation and control functions according to claim 5, wherein the fertilizer outlet pipeline module and the cleaning pipeline module are connected with movable ball valves for manual opening, closing and maintenance of the pipelines.
7. The intelligent irrigation system with integrated water and fertilizer regulation and control functions according to claim 6, wherein the fertilizer suction electromagnetic valve and the flowmeter are provided with five sets and can be used for absorbing fertilizer in five paths.
CN202310295825.XA 2023-03-24 2023-03-24 Water and fertilizer integrated regulation and control intelligent irrigation system Pending CN116369026A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117322222A (en) * 2023-11-27 2024-01-02 上海华维可控农业科技集团股份有限公司 Water and fertilizer integrated irrigation method and system based on citrus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117322222A (en) * 2023-11-27 2024-01-02 上海华维可控农业科技集团股份有限公司 Water and fertilizer integrated irrigation method and system based on citrus
CN117322222B (en) * 2023-11-27 2024-01-30 上海华维可控农业科技集团股份有限公司 Water and fertilizer integrated irrigation method and system based on citrus

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