CN108353771B - Intelligent drip irrigation control system - Google Patents
Intelligent drip irrigation control system Download PDFInfo
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- CN108353771B CN108353771B CN201810414052.1A CN201810414052A CN108353771B CN 108353771 B CN108353771 B CN 108353771B CN 201810414052 A CN201810414052 A CN 201810414052A CN 108353771 B CN108353771 B CN 108353771B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 47
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Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The embodiment of the application provides an intelligent drip irrigation control system, through main control unit and weather monitoring system who is connected with main control unit, hydrothermal monitoring system, fertilization, administration management system, field management system, water source monitoring system, electromechanical automatic control system, irrigation management system and air entrainment irrigation system, can carry out effective monitoring to the influence factor and the control factor of drip irrigation in many aspects so as to obtain each item required data of drip irrigation, and drip irrigation data in the drip irrigation process, improved degree of automation, the practicality of drip irrigation system are strong, have improved the drip irrigation effect.
Description
Technical Field
The invention relates to the technical field of agricultural irrigation, in particular to an intelligent irrigation control system.
Background
With the rapid development of science and technology, various aspects of irrigation equipment are also greatly improved. However, in addition to certain changes in the form of capillary lay and the way of perforation, the irrigation and automated irrigation management decision control aspect of drip irrigation is still relatively delayed from the international advanced level.
Drip irrigation is an irrigation technique in which water slowly permeates into the soil near crops through a douche on the ground or a buried capillary in the irrigation process, and then diffuses to the root layer of the whole crops by capillary action or gravity. Because the effect on soil formation is smaller in the irrigation process, the loosening and permeation of the root layers of crops are facilitated, meanwhile, the evaporation of water can be effectively reduced, the water-saving and yield-increasing benefits are obvious, the automation degree is high, and a large amount of labor and energy can be saved. In arid areas, the underground drip irrigation technique can also effectively inhibit field weeds.
However, in the prior art, effective monitoring on each influencing factor and control factor of the drip irrigation system is lacking, and the system has low automation degree, poor self-adaptive performance and poor drip irrigation effect due to the fact that data cannot be effectively measured.
Disclosure of Invention
In view of the foregoing, it is an object of the present application to provide an intelligent drip irrigation control system to ameliorate the above problems.
The embodiment of the application provides an intelligent drip irrigation control system, which comprises a main controller, and a meteorological monitoring system, a hydrothermal monitoring system, a fertilization and pesticide application management system, a field management system, a water source monitoring system, an electromechanical automatic control system, a water irrigation management system and an air entrainment irrigation system which are connected with the main controller;
the weather monitoring system comprises a plurality of weather sensors, wherein the weather sensors are arranged in a management area and are used for collecting weather data in the management area and sending the weather data to the main controller;
the hydrothermal monitoring system comprises a plurality of hydrothermal detection devices, wherein the plurality of hydrothermal detection devices are arranged in soil or on the surface of the soil in the management area and are used for collecting the hydrothermal information of the soil in the management area and sending the hydrothermal information to the main controller;
the fertilization and pesticide application management system is used for carrying out fertilization operation or pesticide application operation on crops in the management area under the control of the main controller and sending fertilization information or pesticide application information to the main controller;
the field management system is used for recording the growth data of crops in the management area and sending the growth data to the main controller;
the water source monitoring system is arranged at the water source of the management area and is used for monitoring water source information of the water source of the management area and feeding the water source information back to the main controller;
the electromechanical automatic control system is used for controlling water required by drip irrigation under the control of the main controller and feeding back the control data of the drip irrigation water to the main controller;
the irrigation management system is arranged in the soil in the management area and is used for performing drip irrigation on crops, recording drip irrigation data and sending the drip irrigation data to the main controller;
the air-entrapping irrigation system is used for managing air-entrapping of drip irrigation water in the management area under the control of the main controller and feeding air-entrapping information back to the main controller.
Optionally, the electromechanical automatic control system comprises a submersible pump, a constant-pressure frequency conversion device, an electromagnetic valve, a water supply pipeline and a pressure gauge, wherein the submersible pump is arranged at a water source and is used for extracting water from the water source and conveying the water to the water supply pipeline; the constant-pressure frequency conversion equipment is arranged at the inlet or the outlet of the water supply pipeline and is used for controlling the water pressure and the water quantity of water in the water supply pipeline; the electromagnetic valve is arranged at the outlet of the water supply pipeline and is in communication connection with the main controller and is used for being opened or closed under the control of the controller; the pressure gauge is arranged at the outlet of the water supply pipeline and is in communication connection with the main controller, and is used for detecting the water pressure value at the outlet of the water supply pipeline and sending the water pressure value to the main controller.
Optionally, the irrigation management system includes a plurality of drip irrigation capillary tubes, the plurality of drip irrigation capillary tubes are distributed in soil in the management area, each drip irrigation capillary tube is connected to an outlet of the water supply pipeline, a sub-electromagnetic valve is arranged at an inlet of each drip irrigation capillary tube and used for switching on or off a passage between the drip irrigation capillary tube and the water supply pipeline, an electromagnetic flowmeter is further arranged at the inlet of each drip irrigation capillary tube and used for detecting drip irrigation water quantity data of the drip irrigation capillary tube and sending the drip irrigation water quantity data to the main controller.
Optionally, the air-entrapping irrigation system comprises an air supply device, a micro-nano bubble generating device and a dissolved oxygen measuring instrument, wherein the air supply device is connected with the micro-nano bubble generating device through an air supply pipeline and is used for supplying air to the micro-nano bubble generating device or stopping air supply under the control of the main controller; the micro-nano bubble generating device is used for converting the gas received from the gas supply device into micro-nano bubbles and conveying the generated micro-nano bubbles to the water supply pipeline through the gas supply pipeline; the dissolved oxygen measuring instrument is used for measuring the oxygen concentration value in the dissolved water in which the micro-nano bubbles are dissolved in the water supply pipeline and sending the oxygen concentration value to the main controller.
Optionally, the air-entrapping irrigation system further comprises a gas filtering device and a gas flowmeter, wherein the gas filtering device is arranged between the gas supply device and the micro-nano bubble generating device and is used for filtering the gas output by the gas supply device; the gas flowmeter is arranged at the outlet of the micro-nano bubble generating device and is used for detecting the gas flow value of micro-nano bubbles output by the micro-nano bubble generating device and sending the gas flow value to the controller.
Optionally, the weather sensor comprises a precipitation detector, a temperature sensor, a humidity sensor, a solar radiation sensor, a wind speed sensor, a wind direction sensor and an air pressure sensor, wherein the precipitation detector, the temperature sensor, the humidity sensor, the solar radiation sensor, the wind speed sensor, the wind direction sensor and the air pressure sensor are respectively in communication connection with the main controller;
the precipitation detector is used for detecting precipitation in the management area and sending the precipitation to the main controller; the temperature sensor is used for detecting air temperature data in the management area and sending the air temperature data to the main controller; the humidity sensor is used for detecting an air humidity value in the management area and sending the air humidity value to the main controller; the solar radiation sensor is used for detecting a solar radiation value in the management area and sending the solar radiation value to the main controller; the wind speed sensor is used for detecting a wind speed value and sending the wind speed value to the main controller; the wind direction sensor is used for detecting wind direction information and sending the wind direction information to the main controller; the air pressure sensor is used for detecting air pressure data and sending the air pressure data to the main controller.
Optionally, the hydrothermal detection device comprises a soil moisture monitor, a soil temperature monitor, a soil PH detector and a soil nutrient detector, wherein the soil moisture monitor, the soil temperature monitor, the soil PH detector and the soil nutrient detector are respectively in communication connection with the main controller;
the soil moisture monitor is used for detecting moisture data of soil in the management area and sending the moisture data to the main controller; the soil temperature monitor is used for detecting temperature data of soil in the management area and sending the temperature data to the main controller; the soil PH value detector is used for detecting the PH value of the soil in the management area and sending the PH value to the main controller; the soil nutrient detector is used for detecting nutrient information of soil and sending the nutrient information to the main controller.
Optionally, the fertilization and pesticide application management system comprises a charging device, wherein an electric valve is arranged at the outlet of the charging device and is in communication connection with the main controller, a discharge detector is further arranged at the outlet of the charging device, and the discharge detector is used for detecting volume data of materials discharged from the outlet and sending the volume data to the main controller.
Optionally, the field management system includes a touch device for receiving input crop growth data and transmitting the growth data to the main controller.
Optionally, the water source monitoring system comprises a water level detector, a water quality detector and a water temperature sensor, wherein the water level detector is used for detecting water level data of the water source and sending the water level data to the main controller, the water quality detector is used for detecting water quality information of water at the water source and sending the water quality information to the main controller, the water temperature sensor is used for detecting water temperature value of the water at the water source,
according to the intelligent drip irrigation control system, the main controller, the meteorological monitoring system, the hydrothermal monitoring system, the fertilization and pesticide application management system, the field management system, the water source monitoring system, the electromechanical automatic control system, the irrigation management system and the air-entrapping irrigation system are connected with the main controller, influence factors and control factors of drip irrigation can be effectively monitored in multiple aspects to obtain various data required by drip irrigation, drip irrigation data in the drip irrigation process are obtained, the degree of automation and the practicability of the drip irrigation system are improved, and the drip irrigation effect is improved.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an intelligent drip irrigation control system according to an embodiment of the present application.
FIG. 2 is a block diagram of a weather monitoring system according to an embodiment of the present application.
Fig. 3 is a block diagram of a hydrothermal monitoring system according to an embodiment of the present application.
Fig. 4 is a schematic connection diagram of an intelligent drip irrigation control system according to an embodiment of the present application.
Fig. 5 is a second schematic connection diagram of the intelligent drip irrigation control system according to the embodiment of the present application.
Icon: 10-an intelligent drip irrigation control system; 100-a main controller; 200-a weather monitoring system; 210-precipitation amount detector; 220-a temperature sensor; 230-humidity sensor; 240-solar radiation sensor; 250-wind speed sensor; 260-wind direction sensor; 270-an air pressure sensor; 300-a hydrothermal monitoring system; 310-soil moisture monitor; 320-soil temperature monitor; 330-a soil pH value detector; 340-a soil nutrient detector; 400-a fertilization and pesticide application management system; 500-a field management system; 600-a water source monitoring system; 700-electromechanical automatic control system; 710-a water supply line; 720-submersible pump; 730-constant voltage frequency conversion equipment; 740-solenoid valve; 750-manometer; 760-flow detector; 800-a irrigation management system; 810-drip irrigation capillary; 820-sub solenoid valves; 830-electromagnetic flowmeter; 900-an air-entraining irrigation system; 910-oxygen diffusivity meter; 920-air supply device; 930-micro-nano bubble generating device; 940-dissolved oxygen meter; 950-a gas filtration device; 960-gas flowmeter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Referring to fig. 1, a block diagram of an intelligent drip irrigation control system 10 according to an embodiment of the present application is provided, where the intelligent drip irrigation control system 10 includes a main controller 100, a weather monitoring system 200, a hydro-thermal monitoring system 300, a fertilization and pesticide application management system 400, a field management system 500, a water source monitoring system 600, an electromechanical automatic control system 700, a irrigation management system 800, and an air-entrapping irrigation system 900.
In this embodiment, the weather monitoring system 200 includes a plurality of weather sensors disposed in a management area, and configured to collect weather data in the management area and send the weather data to the main controller 100.
The hydro-thermal monitoring system 300 includes a plurality of hydro-thermal detection devices disposed in or on the soil in the management area for collecting hydro-thermal information of the soil in the management area and transmitting the hydro-thermal information to the main controller 100.
The fertilization and pesticide application management system 400 is used for performing fertilization operation or pesticide application operation on crops in the management area under the control of the main controller 100, and sending fertilization information or pesticide application information to the main controller 100.
The field management system 500 is used to record the growth data of the crops in the management area and transmit the growth data to the main controller 100.
The water source monitoring system 600 is disposed at a water source of the management area, and is configured to monitor water source information of the water source of the management area, and feed back the water source information to the main controller 100.
The electromechanical automatic control system 700 is used for controlling water required by drip irrigation under the control of the main controller 100, and feeding back the control data of the drip irrigation water to the main controller 100.
The irrigation management system 800 is disposed in soil within the management area for performing drip irrigation on crops, and records drip irrigation data and transmits the drip irrigation data to the main controller 100.
The air-entrapping irrigation system 900 is configured to manage air-entrapping of drip irrigation water in the management area under the control of the main controller 100, and feed air-entrapping information back to the main controller 100.
In the process of growing crops, the weather conditions of the growing environment have a larger influence on the growth of crops, in order to comprehensively monitor the growth of crops, the intelligent drip irrigation control system 10 provided by the embodiment includes a weather monitoring system 200, where the weather monitoring system 200 includes a plurality of weather sensors, referring to fig. 2, the weather sensors include a precipitation detector 210, a temperature sensor 220, a humidity sensor 230, a solar radiation sensor 240, a wind speed sensor 250, a wind direction sensor 260 and a barometric sensor 270, and the precipitation detector 210, the temperature sensor 220, the humidity sensor 230, the solar radiation sensor 240, the wind speed sensor 250, the wind direction sensor 260 and the barometric sensor are respectively in communication connection with the main controller 100.
The precipitation amount detector 210 is configured to detect precipitation amount in the management area and send the precipitation amount to the main controller 100. The precipitation amount detector 210 may be a measuring device such as a rain gauge or a siphon rain gauge. The temperature sensor 220 is configured to detect air temperature data in the management area and transmit the air temperature data to the main controller 100. The number of the temperature sensors 220 may be one or more, and when the number of the temperature sensors 220 is one, the temperature sensors 220 may be disposed at a middle position of the management area to more accurately measure the temperature data of the management area. When the temperature sensor 220 is plural, the plurality of temperature sensors 220 may be distributed in the management area to measure air temperature data at a plurality of locations of the management area. In this embodiment, the temperature sensor may be a fluorescent fiber temperature sensor.
The humidity sensor 230 is configured to detect an air humidity value in the management area and send the air humidity value to the main controller 100. The solar radiation sensor 240 is configured to detect a solar radiation value in the management area and transmit the solar radiation value to the main controller 100. The solar radiation sensor 240 may employ a solar calorimeter or a solar radiation intensity meter, etc., and the solar radiation sensor 240 may convert the received solar radiation energy into other energy, such as heat energy, electric energy, etc., to perform measurement, thereby obtaining a solar radiation value.
The wind speed sensor 250 is used to detect a wind speed value and transmit the wind speed value to the main controller 100. The wind direction sensor 260 is used to detect wind direction information and transmit the wind direction information to the main controller 100. The wind speed and the wind direction of the crop growth environment also have an influence on the crop growth, and the main controller 100 can detect whether the current wind speed, the current wind direction and the like are beneficial to the crop growth according to the received wind speed information, the wind direction information and the like, and can record the wind speed, the wind direction and the like so as to check the influence of the wind speed, the wind direction and the like on the crop growth later.
The wind direction sensor 260 mainly comprises a wind vane, a wind direction shaft, a wind direction dial and the like, and a magnetic compass is formed by a magnetic rod arranged on the wind direction dial and the wind direction dial to determine the wind direction positioning. The shell of the wind direction dial is provided with a tray nut, and when the tray nut positioned under the shell of the wind direction dial is rotated, the tray supports or puts down the wind direction dial, so that the embryonic bearing is separated from or contacted with the axle head. The wind direction indication value is determined by the stable position of the wind direction pointer on the wind direction dial.
In this embodiment, the wind speed sensor 250 may adopt a three-cup rotating frame structure, and may linearly convert the wind speed into the rotational speed of the rotating frame. In practice, in order to reduce the starting wind speed, a molded light wind cup can be used and supported by a rudiment bearing. A toothed blade is fixed on the shaft of the rotating frame, and when the rotating frame rotates along with wind, the shaft drives the blade to rotate, and the toothed blade continuously cuts a light beam in a light path of the photoelectric switch, so that the wind speed is linearly converted into the output pulse frequency of the photoelectric switch, and the output pulse frequency is sent to the main controller 100.
In addition, the air pressure sensor 270 is used to detect air pressure data and transmit the air pressure data to the main controller 100. For example, the barometric pressure sensor may be model KM18B82.
In the growth process of crops, the soil hydrothermal condition in the growth environment has a great influence on the growth of crops, therefore, in this embodiment, the intelligent drip irrigation control system 10 includes a hydrothermal monitoring system 300, please refer to fig. 3, the hydrothermal monitoring system 300 includes a plurality of hydrothermal detection devices, the hydrothermal detection devices include a soil moisture monitor 310, a soil temperature monitor 320, a soil PH detector 330 and a soil nutrient detector 340, and the soil moisture monitor 310, the soil temperature monitor 320, the soil PH detector 330 and the soil nutrient detector 340 are respectively in communication connection with the main controller 100.
The soil moisture monitor 310 is used to detect moisture data of soil in the management area and transmit the moisture data to the main controller 100. The soil temperature monitor 320 is used for detecting temperature data of soil in the management area and transmitting the temperature data to the main controller 100. The soil PH detector 330 is configured to detect the PH of the soil in the management area and transmit the PH to the main controller 100. The soil nutrient detector 340 is used for detecting nutrient information of soil and transmitting the nutrient information to the main controller 100.
The main controller 100 may receive the moisture data and the temperature data transmitted from the soil moisture monitor 310 and the soil temperature monitor 320, and may control the electromechanical automatic control system 700 and the irrigation management system 800 according to the moisture data and the temperature data to perform drip irrigation. For example, a soil moisture threshold and a soil temperature threshold may be pre-stored in the main controller 100, and the main controller 100 may detect whether the received moisture data is at the soil moisture threshold and the temperature data is at the soil temperature threshold. And the drip irrigation is adaptively turned on or off according to the specific magnitude relation between the moisture data and the temperature data and the soil moisture threshold value and the soil temperature threshold value respectively.
The main controller 100 may also control the fertilization, pesticide application management system 400 to perform fertilization operations, pesticide application operations, etc. according to the received nutrient information and PH information of the soil, etc. to facilitate crop growth.
In this embodiment, the fertilization and pesticide application management system 400 includes a charging device, which may be used to mount fertilizer or pesticide, where an electric valve is disposed at an outlet of the charging device, and the electric valve is in communication connection with the main controller 100. The main controller 100 may control the opening or closing of the electric valve according to the received information of the nutrient information and the PH value of the soil. Wherein, still be provided with ejection of compact detector in loading attachment's exit, ejection of compact detector is used for detecting from the volumetric data of the material that the exit was released, and will volumetric data send to main control unit 100. Thus, each time a fertilization, application operation is performed, the master controller 100 may obtain data on the materials used for fertilization or application for later study. Optionally, a spray head may be provided at the outlet of the loading device, so that fertilizer or pesticide may be sprayed onto the crop at various locations in the management area.
In this embodiment, the intelligent drip irrigation control system 10 further includes a field management system 500 for recording and transmitting the growth data of the crops in the management area to the main controller 100. The field management system 500 may include a touch device that may receive various items of growth data about crops, such as varieties of crops, sowing methods of crops, sowing dates of crops, harvest dates of crops, yields of crops, weed conditions of management areas, etc., inputted by a worker, and transmit the various items of growth data to the main controller 100.
In addition, in this embodiment, in addition to monitoring information about crops, the intelligent drip irrigation control system 10 may monitor a water source of water used for drip irrigation, and the intelligent drip irrigation control system 10 includes a water source monitoring system 600 disposed at a water source of a management area, and may monitor water source information at the water source of the management area and feed back the water source information to the main controller 100.
The water source monitoring system 600 comprises a water level detector, a water quality detector and a water temperature sensor, wherein the water level detector is used for detecting water level data of a water source and sending the water level data to the main controller 100, and the water quality detector is used for detecting water quality information of water at the water source and sending the water quality information to the main controller 100. Wherein, the water quality detector can be a multi-parameter detector, and can be used for measuring turbidity, ammonia nitrogen, PH value and the like of water at a water source. The water temperature sensor is used for detecting the water temperature value of water at the water source and transmitting the water temperature value to the main controller 100. Thus, the main controller 100 can obtain the water consumption information in real time to avoid the abnormality of the water consumption at the water source, so as to cause damage to crops.
As can be seen from the above description, the main controller 100 can determine whether to perform drip irrigation according to the received soil hydrothermal data sent by the hydrothermal monitoring system 300, and if drip irrigation is required, the main controller 100 needs to control the electromechanical automatic control system 700 to start, and implement drip irrigation through the drip irrigation management system, and record the related information of drip irrigation.
Referring to fig. 4, in the present embodiment, the electromechanical automatic control system 700 includes a submersible pump 720, a constant-pressure variable-frequency device 730, a solenoid valve 740, a water supply pipe 710, and a pressure gauge 750, wherein the submersible pump 720 is disposed at a water source for pumping water from the water source and delivering the water to the water supply pipe 710. The submersible pump 720 is an important device capable of lifting water from a deep well, and the submersible pump 720 generally comprises a pump body, a water lifting pipe, a pump seat, a submersible motor, a starting protection device and the like. The pump body is a main working part of the submersible pump 720 and mainly comprises a water inlet section, a guide shell, a check valve, a pump shaft, an impeller and other parts. The pump body is connected with the submersible motor through a flange surface by bolts, and the two shafts are connected by a coupler. The water lifting pipes are also connected by bolts. In this embodiment, the submersible motor may be a water-filled submersible three-phase asynchronous motor for a well that operates vertically, and the cable connected may be a waterproof rubber-jacketed cable. The starting protection device can adopt an auto-coupling decompression starting box with overload, under-voltage, phase failure and other protection functions.
In specific implementation, the submersible pump 720 is arranged in a water well, after equipment is started, the submersible motor drives the impeller of the submersible pump 720 to rotate, so that vacuum is formed at the inlet of the impeller, water in the water well is sucked, and the water generates centrifugal force under the action of the impeller blades, so that speed energy and pressure energy are obtained. The water with certain energy passes through the diversion shell to enter the next-stage impeller, the pressure is increased along with the increase of the stage number of the pump, and finally the water is conveyed into the water supply pipeline 710 on the ground through the water lifting pipe and the pump seat.
The constant pressure variable frequency device 730 is provided at an inlet or an outlet of the water supply pipe 710 for controlling the water pressure and amount of water in the water supply pipe 710. The solenoid valve 740 is disposed at an outlet of the water supply pipe 710 and is communicatively connected to the main controller 100 for being opened or closed under the control of the controller. The pressure gauge 750 is disposed at the outlet of the water supply pipe 710 and is communicatively connected to the main controller 100, and is used for detecting the water pressure value at the outlet of the water supply pipe 710 and transmitting it to the main controller 100. So that the controller can realize the real-time monitoring of the water pressure of the water and avoid the damage to the system caused by abnormal water pressure. In addition, the electro-mechanical automatic control system 700 further includes a flow detector 760 provided on the water supply pipe 710 to collect a flow value of the water flowing through the water supply pipe 710.
The irrigation management system 800 includes a plurality of drip irrigation capillary tubes 810, the drip irrigation capillary tubes 810 are distributed in soil in the management area, each drip irrigation capillary tube 810 is connected to an outlet of the water supply pipeline 710, a sub-electromagnetic valve 820 is disposed at an inlet of each drip irrigation capillary tube 810, and is used for conducting or closing a passage between the drip irrigation capillary tube 810 and the water supply pipeline 710, irrigation water flows out from the water supply pipeline 710 and enters each irrigation capillary tube, and underground irrigation is realized by infiltration. In addition, an electromagnetic flowmeter 830 is further disposed at the inlet of each drip irrigation capillary 810, and is configured to detect drip irrigation water volume data of the drip irrigation capillary 810, and send the drip irrigation water volume data to the main controller 100.
Optionally, in this embodiment, in order to improve the drip irrigation effect, the aerated irrigation system 900 may perform the aeration operation when the air-filling requirement is met. Referring to fig. 5, the air-entrapping irrigation system 900 comprises an oxygen diffusivity meter 910, an air supply 920, a micro-nano bubble generating device 930, and a dissolved oxygen meter 940.
The oxygen diffusivity measuring instrument 910 is provided in the soil of the management area to measure the oxygen diffusivity of the soil and transmit the oxygen diffusivity to the main controller 100. The oxygen diffusivity meter 910 includes a platinum electrode in the form of a cylinder, a reference electrode, a current detector, and a reading device. The platinum electrode is connected with the reference electrode, the reference electrode can be a silver-silver chloride electrode, and electrolyte in the electrode is potassium chloride. The platinum electrode is reduced in oxygen on its surface after insertion into the soil to generate an electrical current, the magnitude of which is proportional to the amount of oxygen reduced on the platinum electrode. And the amount of oxygen reduced is related to the rate of oxygen diffusion to the surface of the platinum electrode. Therefore, the oxygen diffusivity can be obtained according to the magnitude of the generated current. The current detector may be configured to detect a value of the generated current, the reading device may calculate and display an oxygen diffusivity in soil according to the value of the current, and the reading device may be further configured to send the oxygen diffusivity to the controller 110. Without loss of generality, the oxygen diffusivity is typically in the range of 3 x 10 -7 ～4*10 -7 g/(cm 2 Min) if the oxygen diffusivity is below 2 x 10 -8 g/(cm 2 Min), the crop root growth will be hindered.
The air supply device 920 is connected to the micro-nano bubble generating device 930 through an air supply pipe, and is used for supplying air to the micro-nano bubble generating device 930 or stopping supplying air under the control of the main controller 100. In this embodiment, a diffusivity threshold may be pre-stored in the main controller 100, the main controller 100 may detect whether the received oxygen diffusivity is within a preset diffusivity threshold, and if the oxygen diffusivity is lower than the diffusivity threshold, the air supply switch on the air supply device 920 may be controlled to be turned on, so as to charge the micro-nano bubble generating device 930 with the air in the air supply device 920. Alternatively, the air supply device 920 may be at least one of an air source air supply device 920 and a pure oxygen source air supply device 920. The air source air supply device 920 can be filled with air, and the pure oxygen source air supply device 920 can be filled with pure oxygen.
The micro-nano bubble generating device 930 is configured to convert the gas received from the gas supply device 920 into micro-nano bubbles and to deliver the generated micro-nano bubbles to the water supply pipe 710 through a gas supply pipe. The dissolved oxygen meter 940 is used to measure an oxygen concentration value in the dissolved water in which micro-nano bubbles are dissolved in the water supply pipe 710 and transmit the oxygen concentration value to the main controller 100.
In this embodiment, a gas filtering device 950 is further connected between the gas supply device 920 and the micro-nano bubble generating device 930, considering that the gas outputted from the gas supply device 920 may be contaminated with impurities, such as particulate impurities, dust, etc. The gas filtering device 950 may be configured to perform filtering treatment on the gas output from the gas supply device 920, and convey the filtered gas to the micro-nano bubble generating device 930 through a gas supply pipeline.
In this embodiment, the gas filtering device 950 may include activated carbon, where the porous structure of the activated carbon provides a large amount of surface area, and a large amount of molecules on the wall of the activated carbon may generate strong attractive force, so as to attract impurities in the gas to be treated to the pore size. Activated carbon has a strong filtering capability, such as hydrocarbon, carbon dioxide, chlorine, formaldehyde, volatile sulfur oxides, carbon monoxide, hydrogen sulfide, ammonia, benzene, organic acids, chlorine, and organic compounds in filterable gases, and the like. In addition, in order to record the amount of bubbles generated by the micro-nano bubble generating device 930, the air-entrapping irrigation system 900 further includes a gas flow meter 960, wherein the gas flow meter 960 is connected to an outlet of the micro-nano bubble generating device 930, so as to detect the micro-nano bubble flow value outputted from the micro-nano bubble generating device 930 and send the micro-nano bubble flow value to the main controller 100.
In summary, according to the intelligent drip irrigation control system 10 provided in the embodiment of the present application, through the main controller 100 and the weather monitoring system 200, the hydro-thermal monitoring system 300, the fertilization and pesticide application management system 400, the field management system 500, the water source monitoring system 600, the electromechanical automatic control system 700, the irrigation management system 800 and the air-entrapping irrigation system 900 which are connected with the main controller 100, the influence factors and the control factors of drip irrigation can be effectively monitored in many ways to obtain various data required by drip irrigation and drip irrigation data in the drip irrigation process, so that the automation degree and the practicability of the drip irrigation system are improved, and the drip irrigation effect is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An intelligent drip irrigation control system is characterized by comprising a main controller, and a meteorological monitoring system, a hydrothermal monitoring system, a fertilization and pesticide application management system, a field management system, a water source monitoring system, an electromechanical automatic control system, a water irrigation management system and an air entrainment irrigation system which are connected with the main controller;
the weather monitoring system comprises a plurality of weather sensors, wherein the weather sensors are arranged in a management area and are used for collecting weather data in the management area and sending the weather data to the main controller;
the hydrothermal monitoring system comprises a plurality of hydrothermal detection devices, wherein the plurality of hydrothermal detection devices are arranged in soil or on the surface of the soil in the management area and are used for collecting the hydrothermal information of the soil in the management area and sending the hydrothermal information to the main controller;
the fertilization and pesticide application management system is used for carrying out fertilization operation or pesticide application operation on crops in the management area under the control of the main controller and sending fertilization information or pesticide application information to the main controller;
the field management system is used for recording the growth data of crops in the management area and sending the growth data to the main controller;
the water source monitoring system is arranged at the water source of the management area and is used for monitoring water source information of the water source of the management area and feeding the water source information back to the main controller;
the electromechanical automatic control system is used for controlling water required by drip irrigation under the control of the main controller and feeding back the control data of the drip irrigation water to the main controller;
the electromechanical automatic control system comprises a submersible pump, constant-pressure frequency conversion equipment, an electromagnetic valve, a water supply pipeline and a pressure gauge, wherein the submersible pump is arranged at a water source and is used for extracting water from the water source and conveying the water to the water supply pipeline; the constant-pressure frequency conversion equipment is arranged at the inlet or the outlet of the water supply pipeline and is used for controlling the water pressure and the water quantity of water in the water supply pipeline; the electromagnetic valve is arranged at the outlet of the water supply pipeline and is in communication connection with the main controller and is used for being opened or closed under the control of the controller; the pressure gauge is arranged at the outlet of the water supply pipeline and is in communication connection with the main controller, and is used for detecting the water pressure value at the outlet of the water supply pipeline and sending the water pressure value to the main controller;
the irrigation management system is arranged in the soil in the management area and is used for performing drip irrigation on crops, recording drip irrigation data and sending the drip irrigation data to the main controller;
the air-entrapping irrigation system is used for managing air-entrapping of drip irrigation water in the management area under the control of the main controller and feeding air-entrapping information back to the main controller;
the air-entrapping irrigation system comprises an oxygen diffusivity measuring instrument, an air supply device and a micro-nano bubble generating device; the oxygen diffusivity measuring instrument is arranged in the soil of the management area to measure the oxygen diffusivity of the soil and send the oxygen diffusivity to the main controller; the air supply device is connected with the micro-nano bubble generation device through an air supply pipeline and is used for supplying air to the micro-nano bubble generation device or stopping supplying air under the control of the main controller; the micro-nano bubble generating device is used for converting the gas received from the gas supply device into micro-nano bubbles and conveying the generated micro-nano bubbles to the water supply pipeline through the gas supply pipeline; the main controller can pre-store a diffusivity threshold value, can detect whether the received oxygen diffusivity is within a preset diffusivity threshold value, and can control a gas supply switch on the gas supply device to be turned on if the oxygen diffusivity is lower than the diffusivity threshold value so as to charge gas in the gas supply device into the micro-nano bubble generating device;
the air-entrapping irrigation system further comprises a gas filtering device and a gas flowmeter, wherein the gas filtering device is arranged between the gas supply device and the micro-nano bubble generation device and is used for filtering the gas output by the gas supply device; the gas flowmeter is arranged at the outlet of the micro-nano bubble generating device and is used for detecting the gas flow value of micro-nano bubbles output by the micro-nano bubble generating device and sending the gas flow value to the controller.
2. The intelligent drip irrigation control system according to claim 1, wherein the irrigation management system comprises a plurality of drip irrigation pipes, the plurality of drip irrigation pipes are distributed in soil in the management area, each drip irrigation pipe is connected to an outlet of the water supply pipeline, a sub-electromagnetic valve is arranged at an inlet of each drip irrigation pipe and used for conducting or closing a passage between the drip irrigation pipe and the water supply pipeline, an electromagnetic flowmeter is further arranged at an inlet of each drip irrigation pipe and used for detecting drip irrigation water quantity data of the drip irrigation pipe, and the drip irrigation water quantity data are sent to the main controller.
3. The intelligent drip irrigation control system according to claim 1, wherein the air-entrained irrigation system comprises a dissolved oxygen meter;
the dissolved oxygen measuring instrument is used for measuring the oxygen concentration value in the dissolved water in which the micro-nano bubbles are dissolved in the water supply pipeline and sending the oxygen concentration value to the main controller.
4. The intelligent drip irrigation control system according to claim 1, wherein the meteorological sensor comprises a precipitation detector, a temperature sensor, a humidity sensor, a solar radiation sensor, a wind speed sensor, a wind direction sensor, and a barometric pressure sensor, each of which is in communication with the master controller;
the precipitation detector is used for detecting precipitation in the management area and sending the precipitation to the main controller; the temperature sensor is used for detecting air temperature data in the management area and sending the air temperature data to the main controller; the humidity sensor is used for detecting an air humidity value in the management area and sending the air humidity value to the main controller; the solar radiation sensor is used for detecting a solar radiation value in the management area and sending the solar radiation value to the main controller; the wind speed sensor is used for detecting a wind speed value and sending the wind speed value to the main controller; the wind direction sensor is used for detecting wind direction information and sending the wind direction information to the main controller; the air pressure sensor is used for detecting air pressure data and sending the air pressure data to the main controller.
5. The intelligent drip irrigation control system according to claim 1, wherein the hydro-thermal detection device comprises a soil moisture monitor, a soil temperature monitor, a soil PH detector, and a soil nutrient detector, each of which is communicatively connected to the main controller;
the soil moisture monitor is used for detecting moisture data of soil in the management area and sending the moisture data to the main controller; the soil temperature monitor is used for detecting temperature data of soil in the management area and sending the temperature data to the main controller; the soil PH value detector is used for detecting the PH value of the soil in the management area and sending the PH value to the main controller; the soil nutrient detector is used for detecting nutrient information of soil and sending the nutrient information to the main controller.
6. The intelligent drip irrigation control system according to claim 1, wherein the fertilization and pesticide application management system comprises a charging device for containing fertilizer or pesticide, an electric valve is arranged at an outlet of the charging device, the electric valve is in communication connection with the main controller, a discharge detector is further arranged at an outlet of the charging device, and the discharge detector is used for detecting volume data of materials discharged from the outlet and sending the volume data to the main controller.
7. The intelligent drip irrigation control system of claim 1 wherein the field management system comprises a touch device for receiving input crop growth data and transmitting the growth data to the master controller.
8. The intelligent drip irrigation control system according to claim 1, wherein the water source monitoring system comprises a water level detector for detecting water level data at a water source and transmitting the water level data to a main controller, a water quality detector for detecting water quality information of water at the water source and transmitting the water quality information to the main controller, and a water temperature sensor for detecting a water temperature value of the water at the water source and transmitting the water temperature value to the main controller.
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