CN111011176A - High-efficient water conservation intelligence irrigation system - Google Patents
High-efficient water conservation intelligence irrigation system Download PDFInfo
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- CN111011176A CN111011176A CN201911061099.5A CN201911061099A CN111011176A CN 111011176 A CN111011176 A CN 111011176A CN 201911061099 A CN201911061099 A CN 201911061099A CN 111011176 A CN111011176 A CN 111011176A
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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
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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
- A01C23/007—Metering or regulating systems
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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
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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
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/30—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels
- G08C19/34—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels of a combination of conductors or channels
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- 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
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- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- 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
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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
- 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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Abstract
The invention discloses a high-efficiency water-saving intelligent irrigation system, which comprises a drip irrigation control terminal, central node equipment and a water conservancy system server, wherein the drip irrigation control terminal is connected with the central node equipment; the drip irrigation control terminal comprises a drip irrigation controller, a power supply module, a switch valve and a 433 communication module, wherein the power supply module is used for supplying power to the drip irrigation control terminal, the drip irrigation controller receives a switch control signal sent by central node equipment through the 433 communication module, and the drip irrigation controller controls the switch valve to be opened or closed according to the received switch control signal; the central node equipment comprises a central controller, and a 433 communication module and an NBIOT module which are electrically connected with the central controller. The efficient water-saving intelligent irrigation system disclosed by the invention adopts a 433M + NBIOT two-level networking architecture mode, realizes a flat networking architecture, and achieves the purposes of simplifying the network architecture and reducing the network deployment cost.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a high-efficiency water-saving intelligent irrigation system.
Background
China is one of the 13 countries with the most water shortage in the world, and people are only 2100 cubic meters, which is only 28% of the average level in the world, so that the water resource crisis is solved: the method is open source and throttling, and the throttling is the primary way in terms of the current development stage and level of China. Agricultural water accounts for about 62% of the total water consumption of China, and the water consumption of part of regions is up to more than 90%, and agriculture is the first water consumer in China, so that the intelligent and efficient water-saving irrigation of agriculture is vigorously developed, and the method naturally becomes a necessary choice for relieving the contradiction between water resource supply and demand in China. Especially in northern areas where water shortage is more serious, such as inner Mongolia, Ningxia and the like, more 'fine' requirements are put on agricultural irrigation.
The traditional regional irrigation mode is generally manual patrol irrigation, a large number of patrol personnel are needed, excessive labor is occupied, the labor intensity of regional irrigation workers is high, the production efficiency is low, and the labor cost is high; meanwhile, the method is not supported by scientific irrigation data, has the problems of irrigation leakage, excessive irrigation and the like, and wastes water resources.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the efficient water-saving intelligent irrigation system which adopts a mode of combining 433 communication with an NBIOT module to achieve the purposes of simplifying a network architecture and reducing network deployment cost.
The purpose of the invention is realized by adopting the following technical scheme:
an efficient water-saving intelligent irrigation system comprises a drip irrigation control terminal, a central node device and a water conservancy system server; the drip irrigation control terminal comprises a drip irrigation controller, a power supply module, a switch valve and a 433 communication module, wherein the power supply module is used for supplying power to the drip irrigation control terminal, the drip irrigation controller receives a switch control signal sent by central node equipment through the 433 communication module, and the drip irrigation controller controls the switch valve to be opened or closed according to the received switch control signal;
the center node equipment comprises a center controller, a 433 communication module and an NBIOT module, wherein the 433 communication module and the NBIOT module are electrically connected with the center controller, the center node equipment is in communication connection with a water conservancy system server through the NBIOT module, the water conservancy system server is used for sending irrigation control signals to the center node equipment, and the center node equipment is used for forwarding the irrigation control signals to the drip irrigation control terminal.
Further, irrigation system still includes meteorological monitoring device, meteorological monitoring device is used for sending the meteorological parameter of monitoring to the hydraulic system server.
Further, the water conservancy system server matches the received plant types, meteorological parameters, soil temperature and humidity states and nutrient contents of the regions to obtain a fertilization and irrigation plan, and feeds the fertilization and irrigation plan back to the intelligent terminal of the corresponding user so that the user can complete more accurate irrigation and fertilization operations.
Further, the drip irrigation control terminal is further provided with a pressure detection module and a flow sensor which are electrically connected with the drip irrigation controller, the pressure detection module is used for completing water pressure detection of the drip irrigation control terminal, and the flow sensor is used for completing flow detection of the drip irrigation control terminal.
Further, power module is the dry battery, central node equipment still includes the solar energy power module with central controller electric connection.
Further, the central node device is further provided with a communication interface to realize communication with an external device, and the communication interface is an RS232 interface and/or an RJ45 interface.
Further, the drip irrigation control terminal comprises a water inlet and a water outlet, the water inlet is connected with the water supply end, and the water outlet is arranged near the plant root system.
Further, the communication between the water conservancy system server and the central control equipment is realized through the following steps:
the water conservancy system server and the central control equipment are mutually independent to send heartbeat information to each other, and the heartbeat information is sent once every first preset time;
the water conservancy system server considers that the connection is disconnected if the heartbeat message sent by the central control equipment is not received within second preset time, and reloads the heartbeat message to realize information reconnection when the disconnection is detected;
and if the central control equipment does not receive the heartbeat message sent by the water conservancy system within the third preset time, the connection is considered to be disconnected, and when the connection is detected to be disconnected, the communication connection is reloaded to realize reconnection of the information.
Further, the first preset time is 1 minute, the second preset time is the same as the third preset time, and the second preset time and the third preset time are both 4 minutes.
Compared with the prior art, the invention has the beneficial effects that:
the efficient water-saving intelligent irrigation system disclosed by the invention adopts a 433M + NBIOT two-level networking architecture mode, realizes a flat networking architecture, and achieves the purposes of simplifying the network architecture and reducing the network deployment cost; and then the central node equipment automatically sends a signal for opening or closing the valve to the drip irrigation controller according to the rotation irrigation plan, and the drip irrigation controller implements the opening or closing of the valve of a certain rotation irrigation area, so that the automatic control of agricultural irrigation is realized, and the aims of reasonably irrigating, fertilizing, saving water and fertilizer, improving the yield and reducing the labor intensity are fulfilled.
Drawings
FIG. 1 is a block diagram of the high-efficiency water-saving intelligent irrigation system of the present embodiment;
FIG. 2 is another block diagram of the high-efficiency water-saving intelligent irrigation system of the present embodiment;
FIG. 3 is a flow chart of the high-efficiency water-saving intelligent irrigation system according to the embodiment;
fig. 4 is a structural diagram of the center node device of the present embodiment;
fig. 5 is a heartbeat interaction flow chart of the water conservancy system server and the center node device according to the embodiment;
fig. 6 is a control flow chart of the present embodiment for turning on the drip irrigation control terminal.
Description of the drawings: 1. a central node device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
According to the technical experience in the aspect of intelligent water-saving irrigation accumulated in the agricultural water conservancy project in the past, the prior art level of intelligent irrigation equipment in the industry is fully researched, the severe environment of field work of the equipment is fully considered, the low-power-consumption power-saving technology of the equipment is designed to the greatest extent, and a reasonable overall equipment scheme is provided.
In this embodiment, the irrigation system uses NB-IOT module to perform the systematic study of autonomous communication networking, and the intelligent drip irrigation device is divided into three parts: the drip irrigation controller is in charge of data acquisition and valve control and is wirelessly connected with the central node through 433M, the central node transmits data transmitted by the drip irrigation controller to the cloud platform through NB-IOT, and the cloud platform is required to open and close the valve and transmits an instruction to the drip irrigation controller through the central node to control the opening and closing of the valve.
Specifically, as shown in fig. 1 and fig. 2, the embodiment provides an efficient water-saving intelligent irrigation system, which includes a drip irrigation control terminal, a central node device 1 and a water conservancy system server; the drip irrigation control terminal comprises a drip irrigation controller, a power supply module, a switch valve and a 433 communication module, wherein the power supply module is used for supplying power to the drip irrigation control terminal, the drip irrigation controller receives a switch control signal sent by the central node equipment 1 through the 433 communication module, and the drip irrigation controller controls the switch valve to be opened or closed according to the received switch control signal.
The specific structure of the central node device 1 is shown in fig. 4, the central node device 1 includes a central controller, and a 433 communication module and an NBIOT module that are electrically connected to the central controller, the central node device 1 is communicatively connected to a hydraulic system server through the NBIOT module, the hydraulic system server is configured to send an irrigation control signal to the central node device 1, and the central node device 1 is configured to forward the irrigation control signal to a drip irrigation control terminal. A flowchart of a specific communication initialization method in this embodiment is shown in fig. 3.
More preferably, the drip irrigation control terminal is further provided with a temperature and humidity sensor and a plant growth monitoring module which are electrically connected with the drip irrigation controller, the temperature and humidity sensor is used for detecting the temperature and humidity state of the corresponding soil, the plant growth monitoring module is used for detecting the nutrient content required by plant growth, and the drip irrigation control terminal is used for transmitting the temperature and humidity state and the nutrient content of the corresponding soil to the water conservancy system server through the central node equipment 1.
Irrigation system still includes meteorological monitoring device, meteorological monitoring device is used for sending the meteorological parameter of monitoring to the hydraulic system server. And the water conservancy system server is matched according to the received plant types, meteorological parameters, soil temperature and humidity states and nutrient contents of all areas to obtain a fertilization and irrigation plan, and the fertilization and irrigation plan is fed back to the intelligent terminal of the corresponding user so that the user can finish more accurate irrigation and fertilization operations. The growth condition of soil and crops is detected by arranging various sensors, so that a more reasonable irrigation plan and a fertilization strategy are conveniently set, the system can be exerted to the greatest extent through a scientific mode rather than a blind mode, a user can find a more proper irrigation mode from the source, and a mode of researching, expanding production and increasing income of agricultural researchers is facilitated by collecting various original data. The purpose of setting up meteorological monitoring module still another is for being more convenient for understand holistic irrigation condition, when predicting the tomorrow when raining, will adjust irrigation volume today this moment for holistic irrigation is more reasonable, and is unlikely to because do not consider weather condition and make crops submerged.
More preferably, the drip irrigation control terminal is further provided with a pressure detection module and a flow sensor which are electrically connected with the drip irrigation controller, the pressure detection module is used for completing water pressure detection of the drip irrigation control terminal, and the flow sensor is used for completing flow detection of the drip irrigation control terminal. In order to realize intellectualization, the pressure detection and the flow detection are arranged, so that the source control end is more controllable, and the irrigation related data can be more accurately known.
More preferably, the power module is a dry battery, and the central node device 1 further includes a solar power supply module electrically connected to the central controller. The drip irrigation control terminal comprises a water inlet and a water outlet, the water inlet is connected with the water supply end, and the water outlet is arranged near the plant root system. The mode through setting up the direct root system makes the utilization efficiency of water resource higher, and can not make water absorb by soil in a large number and do not absorb by crops, realizes more accurate irrigation and has reached the purpose of water conservation.
In this embodiment, the drip irrigation control terminal: the detection of parameters such as water pressure, flow and the like can be completed; the real-time control of the electromagnetic valve can be realized; reliable wireless communication with the central node device 1; the battery is adopted for power supply, the low-power-consumption power-saving design is realized, and the endurance time of the equipment is at least 1 year; the equipment structure also has a sealed waterproof design; making it more convenient to install in the field. The drip irrigation controller of this embodiment can make full use of MCU and wireless module's power saving function to reach power saving and energy saving, reduce the equipment consumption through exporting peripheral hardware power supply as required.
In the embodiment, the drip irrigation control terminals are arranged in the field, and because the area of each field is relatively large, a plurality of drip irrigation control terminals are required to be arranged in one field, a plurality of water outlets of each drip irrigation control terminal are arranged, and each water outlet is aligned with the root system of the crop; so that the coverage range of the drip irrigation control terminal is as wide as possible.
In this embodiment, the central node apparatus 1 enables efficient communication and control of a plurality of drip irrigation controllers; wireless communication networking based on NBIOT technology: and an NBIOT module is adopted to realize remote communication between the central node and the cloud platform. The equipment adopts solar energy for power supply; and the central node device 1 has a self-defined efficient wireless communication protocol.
The NB-IOT is selected to achieve communication in this embodiment because of its advantages of low power consumption and wide coverage; except the advantages, the method compares the method with other communication networking modes, specifically, the NB-IOT/LoRa/Zigbee wireless networking scheme: the networking of the equipment nodes of the Internet of things has 2 networking modes, namely wireless networking and wired networking. Zigbee, LoRa, NB-IOT and the like are commonly seen in wireless networking, wherein the Lora/NB-IOT belongs to LPWAN technology, and the LPWAN technology has the characteristics of wide coverage, more connections, low speed, low cost, less power consumption and the like.
The NB-IoT has the obvious advantage that data can be directly uploaded to the cloud after being acquired, a gateway is not needed, and field deployment is simplified. Generally, a gateway needs to be deployed by considering the location, the influence of surrounding signals and more factors.
A more comprehensive comparison of the three wireless networking schemes is now made:
in view of the advantages and disadvantages, NB-IOT was found to be more suitable for use in the irrigation system of this embodiment.
As shown in fig. 5, in the customized and efficient communication protocol mentioned in this embodiment, the development complexity may be reduced through the efficient communication protocol, and the communication between the hydraulic system server and the central control device is implemented through the following steps:
the water conservancy system server and the central control equipment are mutually independent to send heartbeat information to each other, and the heartbeat information is sent once every first preset time;
the water conservancy system server considers that the connection is disconnected if the heartbeat message sent by the central control equipment is not received within second preset time, and reloads the heartbeat message to realize information reconnection when the disconnection is detected;
and if the central control equipment does not receive the heartbeat message sent by the water conservancy system within the third preset time, the connection is considered to be disconnected, and when the connection is detected to be disconnected, the communication connection is reloaded to realize reconnection of the information. The first preset time is 1 minute, the second preset time is the same as the third preset time, and the second preset time and the third preset time are both 4 minutes. The cloud server and the heartbeat of the central node equipment 1 adopt a simple and efficient interaction mode, the data structure is simple, the transmission data are few, the development complexity is reduced, and the efficiency is improved.
As shown in fig. 6, the valve control method in this embodiment is as follows:
1) and the cloud server sends a valve opening request to the field center coordination unit.
2) And after receiving the request of the cloud server, the field center coordination unit forwards the request to the target valve control unit.
3) And if the target valve control unit receives the valve opening request, trying to open the valve and returning the operation result to the field center coordination unit.
4) And if the field center coordination unit receives the valve opening response of the target valve control unit, forwarding a response result and returning the response result to the cloud server.
5) If the field center coordination unit receives the overtime response of the opening valve of the target valve control unit, the field center coordination unit firstly sends a wake-up request to the target valve control unit, and if the wake-up is successful, the field center coordination unit retransmits the request of opening the valve to the target valve control unit; and if the awakening fails, returning a valve opening failure result to the cloud server.
6) And (6) ending. And the cloud server sends a valve opening request to the field center coordination unit and then waits for response information. At the server side, the process keeps the sleep state until the calling information arrives, and the Web service framework is simple and efficient. The field center coordination unit in this embodiment is central node equipment promptly, and the high in the clouds server is the water conservancy system server promptly, and the valve control unit is drip irrigation control terminal promptly.
The intelligent irrigation system of this embodiment relies on computer network technology, modern communication technology, automatic control technique, sensor technology, automatic irrigation technique, artificial intelligence technique, database technique etc. to the collection and the remote automatic control to gate, pump station of temperature information, soil moisture content information, meteorological information etc. to irrigation water resource information automatic acquisition, transmission and processing, realize the integration of surveying, monitoring, managing, accuse, improve the reasonable development and utilization of irrigated area water resource.
In technical implementation, a control layer of the intelligent irrigation system is composed of three levels, namely a control center, a header control layer and a field control layer. The control center adopts a mode of 'decentralized control and centralized management', and a header controller and a controlled area in the irrigation system form a relatively independent intelligent irrigation unit which can be operated independently. On the basis, irrigation units close to geographical positions and belonging to the same management mechanism are networked and are connected to a central control room for centralized management. Meanwhile, the system can be matched with a small-sized meteorological station and a soil moisture content monitoring station to realize full-automatic accurate water-saving irrigation.
This system solution can gather and store all kinds of data parameters in real time, like soil humiture, meteorological parameter, different vegetation parameters, through the long-term tracking and the analysis to this data, can be directed against different region, different scenes, different planting crops, formulate more reasonable fertilization and irrigation plan, realize accurate irrigation, accurate fertilization, really reach the water conservation, increase effect, the purpose of increase production, promote agricultural water conservation irrigation's scientific management level greatly. The process of fertilizer entering the field along with the irrigation water is called fertigation. Namely, the fertilizer is accurately supplemented and uniformly applied near the root system according to the nutrient requirement of each stage of the crop growth and climatic conditions and the like while irrigating water, such as drip irrigation, underground drip irrigation and the like, and is directly absorbed and utilized by the root system.
Wisdom irrigation control platform-intelligent irrigation equipment research and development project is mainly to develop and drip irrigation controller and central node equipment 1, and drip irrigation controller accomplishes the detection of water pressure, flow isoparametric to realize the real-time control to the solenoid valve. The central node realizes the centralized control of a batch of drip irrigation controllers in the jurisdiction area and realizes the communication with the cloud platform control center. The drip irrigation controller and the central node equipment 1 jointly form hardware basic implementation of an intelligent irrigation unit, and are the basis for realizing an intelligent water-saving irrigation system.
In the intelligent water-saving irrigation system, a control center of a cloud platform (determines crop rotation irrigation plans at different times after analysis according to data such as crop growth period and soil water content) sends the irrigation plans to a central node device 1. The central node equipment 1 automatically sends a signal for opening or closing the valve to the drip irrigation controller according to the rotation irrigation plan, and the drip irrigation controller implements the opening or closing of the valve of a certain rotation irrigation area, so that the automatic control of agricultural irrigation is realized, and the purposes of reasonable irrigation, fertilization, water and fertilizer conservation, yield improvement and labor intensity reduction are achieved.
With the development and gradual maturity of the existing NBIOT technology, the NBIOT technology has the technical advantages of low power consumption and wide area coverage, and is particularly suitable for the application scene of field water-saving irrigation. Therefore, in this embodiment, while the 433M + GPRS secondary networking architecture is adopted, the flat networking architecture of NBIOT is also utilized, so as to simplify the network architecture and reduce the network deployment cost.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. An efficient water-saving intelligent irrigation system is characterized by comprising a drip irrigation control terminal, central node equipment and a water conservancy system server; the drip irrigation control terminal comprises a drip irrigation controller, a power supply module, a switch valve and a 433 communication module, wherein the power supply module is used for supplying power to the drip irrigation control terminal, the drip irrigation controller receives a switch control signal sent by central node equipment through the 433 communication module, and the drip irrigation controller controls the switch valve to be opened or closed according to the received switch control signal;
the center node equipment comprises a center controller, a 433 communication module and an NBIOT module, wherein the 433 communication module and the NBIOT module are electrically connected with the center controller, the center node equipment is in communication connection with a water conservancy system server through the NBIOT module, the water conservancy system server is used for sending irrigation control signals to the center node equipment, and the center node equipment is used for forwarding the irrigation control signals to the drip irrigation control terminal.
2. The intelligent irrigation system with high efficiency and water conservation as claimed in claim 1, wherein the drip irrigation control terminal is further provided with a temperature and humidity sensor and a plant growth monitoring module, the temperature and humidity sensor is electrically connected with the drip irrigation controller and used for detecting the temperature and humidity state of the corresponding soil, the plant growth monitoring module is used for detecting the nutrient content required by plant growth, and the drip irrigation control terminal is used for transmitting the temperature and humidity state and the nutrient content of the corresponding soil to the water conservancy system server through the central node device.
3. An efficient water-saving intelligent irrigation system as claimed in claim 2, further comprising a weather monitoring device for sending the monitored weather parameters to the irrigation system server.
4. An efficient water-saving intelligent irrigation system as claimed in claim 3, wherein the irrigation system server matches the received plant species, meteorological parameters, soil temperature and humidity states and nutrient content of each region to obtain a fertilization and irrigation plan, and feeds the fertilization and irrigation plan back to the intelligent terminal of the corresponding user so that the user can complete more precise irrigation and fertilization operations.
5. The intelligent irrigation system with high efficiency and water saving as claimed in any one of claims 1-4, wherein the drip irrigation control terminal is further provided with a pressure detection module and a flow sensor, the pressure detection module is electrically connected with the drip irrigation controller and is used for detecting the water pressure of the drip irrigation control terminal, and the flow sensor is used for detecting the flow of the drip irrigation control terminal.
6. An efficient water-saving intelligent irrigation system as claimed in any one of claims 1-4, wherein said power module is a dry battery, and said central node device further comprises a solar power module electrically connected with the central controller.
7. An efficient water-saving intelligent irrigation system as claimed in any one of claims 1-4, wherein said central node device is further provided with a communication interface to communicate with external devices, said communication interface being RS232 interface and/or RJ45 interface.
8. The intelligent irrigation system with high efficiency and water saving as claimed in claim 1, wherein the drip irrigation control terminal comprises a water inlet and a water outlet, the water inlet is connected with the water supply terminal, and the water outlet is arranged near the plant root system.
9. An efficient water-saving intelligent irrigation system as claimed in claim 1, wherein the communication between the hydraulic system server and the central control device is realized by the following steps:
the water conservancy system server and the central control equipment are mutually independent to send heartbeat information to each other, and the heartbeat information is sent once every first preset time;
the water conservancy system server considers that the connection is disconnected if the heartbeat message sent by the central control equipment is not received within second preset time, and reloads the heartbeat message to realize information reconnection when the disconnection is detected;
and if the central control equipment does not receive the heartbeat message sent by the water conservancy system within the third preset time, the connection is considered to be disconnected, and when the connection is detected to be disconnected, the communication connection is reloaded to realize reconnection of the information.
10. An efficient water-saving intelligent irrigation system as claimed in claim 9, wherein the first preset time is 1 minute, the second preset time and the third preset time are the same, and the second preset time and the third preset time are both 4 minutes.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303066A (en) * | 2021-04-27 | 2021-08-27 | 陆旭 | Water and fertilizer integrated Internet of things system based on computer control |
| CN114287220A (en) * | 2021-12-14 | 2022-04-08 | 中天水土治理科技(山东)股份有限公司 | Intelligent irrigation system and method based on water and fertilizer integration |
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