632 results about "Controller (irrigation)" patented technology

The invention discloses an intelligent soil moisture content monitoring and precise irrigation linkage system, and relates to the technical field of irrigation. Key parameters such as moisture content, temperature, humidity and conductivity of soil are obtained in real time through a soil moisture content monitoring module, processed by a data acquisition and transmission module and transmitted to a control center; the control center carries out deep analysis and evaluation on the soil moisture condition through the edge computing gateway and the cloud decision controller, an accurate irrigation control instruction is generated, the irrigation control execution module carries out accurate regulation and control on irrigation equipment according to the instruction, and reasonable irrigation of a farmland is achieved. The system can comprehensively master the moisture condition of farmland soil, provides data support for precise irrigation, improves the precision and efficiency of irrigation, saves water resources, is intelligent and high in automation degree, can reduce manual intervention, reduces the labor cost, and improves the stability and reliability of irrigation at the same time.

The invention relates to the technical field of agricultural intelligent irrigation, in particular to an intelligent irrigation control system and method based on meteorological environment acquisition, and the system comprises a sensing layer, a transmission layer, a control layer, a cloud layer and an execution layer. Then meteorological environment data collected by the sensing layer is transmitted to the control layer through a wireless transmitting module and a wireless receiving module, and a controller of the control layer is integrated with an edge computing unit, a communication unit and a decision-making unit; the problems that an existing agricultural meteorological monitoring and irrigation control system is high in network transmission load coefficient, and the edge computing capability of sensor nodes cannot be effectively utilized; the problem that an irrigation control algorithm based on a static threshold mechanism or a single statistical model lacks adaptive processing of rainfall time sequence prediction and dynamic response ability of specific requirements of crop growth stages is solved.

The invention relates to the technical field of intelligent agriculture and precise irrigation, in particular to an intelligent control system for agricultural irrigation. Comprising a water-saving valve module, a sensing layer module, a control layer module, an execution layer module and a data and application layer module, and the water-saving valve module is used for achieving microsecond level flow regulation and control through piezoelectric ceramic driving and energy recovery and integrating a self-maintenance function. According to the invention, the LSTM network and the Duelling DQN algorithm are utilized to accurately discriminate the soil type and formulate an extreme weather coping scheme, dynamic optimization of an irrigation strategy is realized based on low-power-consumption edge calculation and an intelligent control algorithm, the adaptability and decision accuracy of the system are greatly improved, multiple advanced technologies are integrated, and the system is suitable for large-scale popularization and application. Comprising a magneto-rheological buffer, a TSN valve controller, an SMA emergency pressure release valve and a variable frequency water pump driver, pressure balance of a pipe network, high-precision synchronization of valves and safe treatment of sudden failures are ensured, and the stability and flexibility of an irrigation system are comprehensively improved.

The invention discloses an agricultural irrigation control method and system, and relates to the technical field of irrigation control, and the method comprises the following steps: constructing a crop water demand model based on the fusion of crop physiological sensing data and a data driving model, and outputting a target irrigation flow; calculating a control error between the target irrigation flow and the actually acquired flow, and generating a control signal through a model prediction control strategy; inputting a static mapping model fitted by a Sigmoid function, and superposing the output of a dynamic correction model driven by state sensing data to generate a final driving signal; feedback data is collected, a driving signal and the feedback data are subjected to closed-loop comparison, and irrigation control strategy parameters are adaptively optimized through a reinforcement learning controller; according to the method, the crop physiological sensing data and the data driving model are fused, the space and time sequence feature fused water demand model is dynamically constructed, and the problems that agricultural irrigation cannot be accurately controlled and the irrigation strategy is rigid are solved in combination with a static and dynamic composite control mapping mechanism.

The invention discloses a garden partition intelligent water-saving irrigation regulation and control system based on the Internet of Things, and belongs to the field of irrigation regulation and control systems. According to the system, a basic water demand model containing static characteristics of plants, soil and the like is established for each subarea through a central processing controller, real-time environment data and weather forecast are fused, and future irrigation water demand and optimal time are calculated in a prospective mode. The core innovation of the method lies in that after irrigation, the system performs feedback iterative optimization on a basic water demand model by comparing the efficiency deviation of the actual change and the predicted change of the soil humidity to form a self-learning closed loop. According to the method, conversion from passive response to active prediction is achieved, the method has the advantages of being accurate, prospective and self-adaptive, the method can continuously adapt to environmental changes, and the intelligent level and the water saving effect of irrigation are remarkably improved.

The invention relates to the technical field of agricultural irrigation, and discloses a high-efficiency water-saving intelligent drip irrigation system which comprises a soil humidity sensor used for monitoring the humidity level in soil in real time; the meteorological sensor is used for monitoring environment temperature, humidity, wind speed, wind direction and rainfall; the central controller is connected with the soil humidity sensor and the meteorological sensor and used for receiving and processing sensor data and dynamically adjusting the irrigation area and the irrigation amount based on the data; and the partition control valves are mounted on branch nodes of the irrigation pipe network, are connected with the central controller and are used for controlling the water flow of each irrigation area according to instructions of the central controller. By monitoring soil humidity and meteorological conditions in real time, the system can accurately control irrigation time and water volume according to actual requirements. According to the demand-driven irrigation strategy, waste of water resources is greatly reduced, it is ensured that irrigation is conducted at the most needed time, only the needed water is supplied, and the use efficiency of the water resources is further optimized.

The utility model provides a water, fertilizer and pesticide spraying integrated device which comprises an insect situation monitor, a soil detection assembly, a data processor, a water, fertilizer and pesticide spraying integrated assembly and a controller, the insect situation monitor and a soil moisture content instrument are in wireless communication with the data processor, and the data processor and the water, fertilizer and pesticide spraying integrated assembly are in wireless communication with the controller; the data processor can obtain the irrigation water amount, the fertilizer type, the fertilization amount and the pesticide usage amount required by field planting of crops according to insect pest data collected by the insect situation monitor and soil data collected by the soil detection assembly, and the controller processes the result according to the data output by the data processor. The water and fertilizer application integrated assembly is controlled to perform targeted fertilization, irrigation or pesticide application; according to the device, soil detection, insect pest detection, fertilization and pesticide application are combined, automatic fertilization, irrigation and pesticide application can be achieved according to the soil condition and the insect pest condition, the requirement of agricultural intensive production is met, and water resource consumption can be reduced.

A tool for management of irrigation schedules is provided. The tool can include a controller that can communicate with an irrigation system to build and implement automatic irrigation schedules using sensed data about the environment, historical data, and manually input data. These schedules can be optimized for capital cost, lifetime cost, farm revenue, water use, and energy efficiency of the irrigation system. The schedule can be adjusted based on sensed data and / or manual inputs to ensure optimal use of resources. In some embodiments, the controller can communicate the schedule to a user via electronic communication to implement irrigation. In such embodiments, the user can interface with the controller to confirm directions to implement irrigation and receive additional directions.

The utility model relates to a saline-alkali soil improvement system which comprises a monitoring mechanism, a salt discharging mechanism and an irrigation mechanism, the monitoring mechanism is erected above soil, the salt discharging mechanism and the irrigation mechanism are both buried in the soil, the irrigation mechanism is buried above the salt discharging mechanism, and the irrigation mechanism is communicated with a water and fertilizer integrated tank; the monitoring mechanism comprises a photovoltaic panel and a controller, the photovoltaic panel is in transmission connection with the photosensitive sensor driving motor, the photovoltaic panel is electrically connected with the controller and the irrigation mechanism, and the controller is in communication connection with the irrigation mechanism and the detection equipment. The technical problems that long-term effectiveness and sustainable development are difficult to achieve, water resources are wasted, and soil secondary salinization is caused due to the fact that drainage is not timely are solved.

The invention provides a water-saving system coupling photovoltaic panel cleaning and vegetation irrigation and a control method of the water-saving system, and belongs to the technical field of photovoltaic power generation. Comprising a water collecting mechanism used for collecting water on the surface of a photovoltaic panel; the water storage mechanism is used for storing the collected water; the pressure pump is connected with the water storage mechanism and used for injecting water into the outer pump; the cleaning mechanism is connected with the pressure pump through a pipeline and used for spraying water to clean the photovoltaic panel, and a first valve is arranged on the pipeline; the irrigation mechanism is connected with the pressure pump through a pipeline and used for spraying water to irrigate vegetation, and a second valve is arranged on the pipeline; the voltage sensor is used for detecting a voltage value output by the photovoltaic panel; the humidity sensor is used for detecting the humidity value of the soil; the light intensity sensor is used for detecting illumination intensity; and the controller controls the booster pump, the first valve and the second valve to work based on the voltage value, the humidity value and the illumination intensity. The overall structure is simple, the photovoltaic panel can be cleaned in time, the generating capacity is improved, water resources are saved, and rapid vegetation restoration is promoted.

The invention discloses a green ecological energy-saving irrigation roof system and a using method thereof, and relates to the technical field of building roofs. A green ecological energy-saving irrigation roof system comprises a root blocking waterproof layer, a blind ditch structure layer, a non-woven fabric filter layer, a planting layer and a vegetation layer which are arranged on a roof from bottom to top, a rainwater collecting device is arranged in the blind ditch structure layer, an irrigation device is arranged on the planting layer, the rainwater collecting device is communicated with a water storage tank, and the water storage tank is communicated with the irrigation device through a water suction pump; a soil humidity sensor is arranged in the planting layer, the soil humidity sensor and the water suction pump are both connected with the controller, and the solar power supply device is used for supplying power to the water suction pump, the soil humidity sensor and the controller. The solar power supply device is arranged on the roof and used for supplying power to electric equipment in the whole roof system, power supply depending on mains supply is avoided, near-zero-energy-consumption operation is achieved, the building capacity and energy consumption self-balance requirements are met, and the purposes of environment friendliness and energy conservation are achieved.

The invention discloses a method for interplanting amorphophallus bulbifer through photovoltaic shading. The method comprises the steps that interplanting areas are established between photovoltaic array lines; the interplanting area is divided into a fixed shading area and a variable light-transmitting area according to the projection range of the photovoltaic panels, the fixed shading area is located in the area under the photovoltaic panels, and the variable light-transmitting area is located in a light-transmitting zone between the adjacent photovoltaic panels; planting furrows are formed in the fixed shading area according to the line spacing of 40-50 cm; selecting amorphophallus bulbifer tubers, and performing field planting on the planting bed; a sunshade net sliding rail system driven by a stepping motor is arranged in the variable light-transmitting area, an illumination intensity sensor is installed on a sliding rail, the sensor is connected with a controller, and the controller automatically adjusts the horizontal displacement of the sunshade net every day according to a solar altitude calculation model and real-time illumination data; and establishing an intelligent drip irrigation system. According to the method, a stable shading environment and appropriate soil humidity can be provided for the amorphophallus bulbifer, manual operation is reduced, the automation level of the interplanting process is improved, and the specific requirements of crops for the growth environment are met.

A method and apparatus for site-specific application of a fluid additive, with or without irrigation water, wherein a center pivot or lateral move irrigation system is utilized for a dedicated additive spraying system. Said spraying system including an additive pumping apparatus with a pump controller in communication with an irrigation system position sensor, and an additive pump in fluid communication with a reservoir of additive and a plurality of flow control valves. Said flow control valves each in fluid communication with an additive carrying conduit, said conduit terminating with an end-portion of conduit with spray nozzle set. Each said end-portion with spray nozzle set configured to apply additive to a ground surface below said end-portion and within the boundaries of polygon shaped areas of a field based on the position of the pipe spans, said position provided to the pump controller by the irrigation system position sensor.

The invention relates to the field of landscaping management automation, and discloses an intelligent irrigation method and system for landscaping, a controller and a sprayer. Constructing a soil moisture dynamic equation and a plant growth model according to the plant information and the environment information; based on the dynamic equation and the growth model, nozzle opening time is calculated; controlling the nozzle to open and close according to the opening time; and dynamically adjusting the opening time of the nozzle based on the environment information after the nozzle is opened. According to the invention, the soil moisture dynamic equation is constructed based on the soil humidity and weather change, and the nozzle opening time is calculated based on the dynamic equation and the growth model, so that efficient and intelligent irrigation control is realized. Compared with an existing timing automatic irrigation system, water resource waste caused by fixed-period watering is effectively avoided, meanwhile, the accuracy and timeliness of water supply are ensured, the modern requirements for water saving and precise maintenance are met, and remarkable environmental and economic benefits are achieved.

The invention relates to the field of intelligent greenhouse management, and particularly discloses an intelligent greenhouse management system based on computer vision and deep learning, and the system comprises a data collection module which obtains environment data and soil data in a greenhouse in real time; the image acquisition module is used for acquiring crop growth images; the core controller preprocesses the data acquired by the data acquisition module and the image acquisition module and uploads the data to the cloud database; the computer vision and deep learning analysis module is used for identifying crop types and pest and disease damage conditions based on the crop images; the water-fertilizer control unit comprises an intelligent control module, a water-fertilizer all-in-one machine and a drip irrigation system; the user interaction module provides remote monitoring and control functions for a user; according to the system and the method, the condition of economic loss caused by the fact that crop diseases and insect pests cannot be correctly treated due to insufficient experience in traditional agriculture is overcome, environmental visualization is realized, a farmer can conveniently monitor the greenhouse in real time, precise irrigation and fertilization are realized, the agricultural production efficiency is improved, and resource waste is reduced.

The invention provides an anti-blocking method and a control system for a Yellow River diversion drip irrigation intelligent pressure adjusting water dropper, belongs to the technical field of drip irrigation intelligent adjustment, and ensures that the system can effectively operate under various working conditions through a dynamic adjustment function and continuous optimization of pressurization parameter combination. After each blockage is solved, a new pressurization parameter combination is recorded into the controller for future use. Along with the continuous use of the drip irrigation system, when the pressurization mode of the previous test cannot solve the problem of blockage, the system needs to increase the pressurization time or the pressurization amplitude on the basis of the previous pressurization mode to carry out a new round of test, and uses a new pressurization mode to solve the problem of blockage.

The present invention relates to a corn field water-saving irrigation system, comprising a water tower, a water pump, an output main pipeline, a delivery branch pipe, a nozzle and a nozzle. The water pump is connected to a plurality of delivery branch pipes, and each delivery branch pipe is provided with an independently controlled branch valve. The delivery branch pipe is fixed along the ground by the clamp and the positioning pile; a protective box is provided on the outer side of the delivery branch pipe, and a wireless transmitter and a soil moisture sensor are provided in the protective box, and the detection end of the soil moisture sensor is inserted below the ground. A relay transceiver is provided on the corn field; the soil moisture data sensed by the soil moisture sensor is sent to a nearby relay transceiver through a wireless transmitter; a plurality of relay transceivers transmit the data in a relay manner, and finally send it to a data concentration controller, and then transmit it to a control background through the data concentration controller, and the control background adjusts the opening and closing and opening degree of the branch valve of the delivery branch pipe and the power of the water pump according to a preset program to achieve the purpose of water-saving irrigation.

The invention discloses an intelligent ditch gate dam self-adaptive adjustment method based on the Internet of Things, relates to the technical field of drainage control, and provides a set of integrated method of multi-source data fusion, predictive diagnosis and automatic fault tolerance for fault prevention and disposal of a gate dam execution mechanism in farmland irrigation. High-quality sensing data is obtained in real time through edge calculation and a wavelet noise reduction technology, and potential anomalies are marked in time; secondly, analyzing the state of an execution mechanism by combining a historical fault record and a health model, and sending out a maintenance suggestion in advance; if a serious fault occurs, the local controller automatically starts secondary adjustment and emergency linkage to temporarily compensate downstream water supply or flood diversion; and finally, the central dispatching center iteratively updates a dispatching strategy by using a global collaborative optimization and self-learning mechanism, and the system reliability and the resource utilization efficiency are enhanced. Therefore, closed-loop management of the gate dam execution mechanism is realized, and stable operation of large-scale farmland irrigation under load and outdoor environments is ensured.

The invention relates to the technical field of reel type sprinkling machines, and discloses a reel type sprinkling machine self-adaptive speed adjusting device which comprises a fixing frame and a bottom frame, the bottom frame is fixedly installed on the fixing frame, a pipe placing disc is arranged on the fixing frame, an induction mechanism is arranged on the bottom frame, and an angle adjusting mechanism is arranged on the bottom frame. When the moving speed of the spray head travelling crane frame is larger than the pipe placing speed of the pipe placing disc, a water pipe is changed into a tensioned state from a loosened state at the moment, the water pipe is straightened to enable the water pipe to lift a lifting plate upwards at the moment, and a sensing module is close to a distance sensor at the moment; the distance sensor transmits a signal to the controller in the driving box, so that the driving motor drives the controller to increase the pipe releasing speed of the pipe releasing disc, the purpose of automatically adjusting the speed is achieved, the problem of pipe pulling caused by low pipe releasing speed is avoided, and the efficiency of vegetable planting and sprinkling irrigation is improved.

The intelligent water-saving and energy-saving vegetable greenhouse comprises a controller, a greenhouse roof and an initial rainwater discarding device, a plurality of rainwater guiding grooves are formed in the greenhouse roof, the initial rainwater discarding device comprises a rainwater container and a U-shaped pipe, a filtering cavity is formed in the top of the rainwater container and communicates with the rainwater container through a water collecting opening, one side of the filtering cavity communicates with the rainwater guiding grooves, and the other side of the filtering cavity communicates with the U-shaped pipe; one end of the U-shaped pipe is communicated with the bottom of the rainwater container, the other end of the U-shaped pipe is a drainage end, the water flow of the drainage end of the U-shaped pipe is smaller than that of the water collecting opening, the water collecting opening is connected with a floating ball through a rope, and the radial size of the floating ball is larger than the radial size of the water collecting opening; a drip irrigation pipeline is arranged in the greenhouse and communicated with the water storage tank through a water pump, and the controller is connected with the water pump. According to the greenhouse, the rainwater collection efficiency and cleanliness can be improved, the integrated design of rainwater collection, automatic irrigation and temperature and humidity adjustment is achieved, and the integration, the environmental protection property and the resource utilization efficiency of the greenhouse are improved.

The invention discloses a variable irrigation control method for a large sprinkler, which comprises the following steps of: installing a variable irrigation controller on each sprinkler head of the sprinkler to adjust the irrigation amount of the sprinkler head, forming a network by adopting wireless communication among the variable irrigation controllers, and adjusting the irrigation amount of the sprinkler head through a valve opening degree adjusting algorithm built in the variable irrigation controller. The opening degree of the valve is adjusted in real time, and the water yield of the spray head is rapidly stabilized on the target water yield required by an irrigation prescription map. The variable irrigation controller is used for controlling the valves to adjust the flow of each nozzle of the sprinkler, meanwhile, a cooperative control network is formed among the valves, the opening degree of each valve is calculated through an artificial intelligence algorithm, and therefore variable irrigation of the sprinkler with the valves independently adjusted is achieved.

The device comprises a machine body, the side wall of the machine body communicates with a water conveying pipe, the end, away from the machine body, of the water conveying pipe communicates with a water pump, the water pump communicates with a water storage tank through a connecting pipeline, and a controller is installed on the inner side wall of the machine body; the invention further discloses a using method of the hidden intelligent garden irrigation device. The using method comprises the following steps of S1, installation and preparation; s2, running the device for irrigation; s3, finishing irrigation; according to the garden irrigation device, by arranging a rotating assembly and a driving assembly, the angle of a spray head is adjusted, water is promoted to be sprayed outwards in an annular state by increasing the rotating speed of a convex disc, and therefore plants in a garden are evenly irrigated.

The system comprises a water storage container and a control system, a partition plate and a moving plate connected with a driving mechanism are arranged in the water storage container, a sensor system of the control system is used for monitoring state parameters of the moving plate and the water supply flow of the water storage container, and after the target rainfall intensity is determined, the target rainfall intensity is determined; the controller is used for obtaining state estimation of the moving plate based on the state space model and the state parameters of the moving plate, calculating real-time rainfall intensity by combining the water supply flow of the water storage container, and dynamically controlling the driving mechanism to operate in a closed-loop mode with the target of reducing the error between the target rainfall intensity and the real-time rainfall intensity. The movable plate is driven to move relative to the partition plate to adjust the water outlet area, rainfall holes of the water storage container discharge water to simulate rainfall for an irrigation test, dynamic response continuous adjustment of simulated rainfall intensity can be achieved, natural rainfall scenes of different rainfall intensities and modes can be reproduced in a high-precision mode, a reliable test platform is provided for agricultural irrigation research, design is flexible, and the test efficiency is high. The operability is high.

Disclosed is a sweet potato intelligent water-fertilizer-pesticide integrated device and control method. The device comprises: a water tank, a fertilizer tank, a medicine tank, a drip irrigation device and a controller, wherein the controller is used to automatically adjust the ratio of water, fertilizer and medicine and the drip irrigation time according to the growth conditions and environmental factors of the sweet potatoes. In this way, the intelligent management of the sweet potatoes can be realized, the yield and quality of the sweet potatoes can be improved, and the amount of water, fertilizer and medicine can be saved, and environmental pollution can be reduced.

The utility model belongs to the technical field of agricultural irrigation, and discloses a water and fertilizer integrated drip irrigation system for traditional Chinese medicinal materials, which comprises a control unit, a user side, a reservoir, a power supply device, a fertilizing device, a filtering device and a main pipe network, a plurality of branch pipes are arranged on the main pipe network, and each branch pipe is laid along the ground of a corresponding cultivation area. Traditional Chinese medicinal materials are planted in the cultivation area, and a plurality of moisture sensors are arranged in the cultivation area; the water storage pool is used for collecting a water source, photovoltaic power supply is achieved, fertilization and irrigation are intelligently regulated and controlled, through fine filtering, electromagnetic valve control and intelligent ball valve layout, it is ensured that water and fertilizer are accurately dripped to the roots of traditional Chinese medicinal materials in a drip mode, the system adapts to complex terrains, the equipped moisture sensor monitors soil humidity in real time, the main controller is in linkage with a user side, and remote intelligent management is achieved. The device not only saves water and fertilizer, improves the yield and quality of traditional Chinese medicinal materials, but also is widely suitable for various planting areas, and promotes agricultural sustainable development.

The invention belongs to the technical field of hydrological detection, and particularly relates to a double-tipping-bucket rain gauge capable of preventing blocking and detecting blocking and an auxiliary device. The rain gauge is provided with a first anti-blocking net and a net cover filtering column in a rain bearing device; a second anti-blocking net is arranged in the funnel; detection probes are arranged in the two through holes in the bottom of the rain bearing device, and the bottoms of the detection probes are connected with a controller through wires. The rain gauge further comprises an auxiliary device which is used for assisting installation and disassembly of the detection assembly. And a mounting frame is also arranged and is used for supporting and mounting the rain gauge. According to the invention, the arrangement of the three-stage filter screen effectively prevents blockage, and the rainfall gauge can detect the precipitation amount timely and accurately. The problem that a traditional rain gauge cannot efficiently detect blockage is solved, blockage points are accurately judged, the maintenance and repair efficiency is improved, and the rain gauge is widely applied to weather stations, intelligent irrigation areas, urban drainage systems and the like.

The utility model relates to the field of vegetable drip irrigation equipment, in particular to a vegetable water and fertilizer integrated drip irrigation device which comprises a liquid storage tank, a fertilizer tank, a flow guide pipe, a first meter, a water inlet pipe, a second meter, a drip irrigation pipe, a hydraulic controller, a master control module and a soil tacheometer, according to the vegetable water and fertilizer integrated drip irrigation device, the first meter and the second meter are arranged on the outer side of the joint of the fertilizer tank and the liquid storage tank as well as the outer side of the joint of the water inlet pipe and the liquid storage tank of the existing vegetable water and fertilizer integrated drip irrigation device respectively, so that the amount of water and fertilizer can be accurately controlled; detection information can be transmitted to the master control module for comprehensive analysis, then the master control module is triggered to automatically control the water and fertilizer proportion at the first meter and the second meter, accurate proportioning of water and fertilizer is achieved, the quality and growth stability of vegetables are guaranteed, drip irrigation is carried out in an accurate proportioning mode, the situation of excessive fertilization is not likely to be caused, and the work efficiency is improved. And more resources are saved.

The invention relates to the technical field of plant planting, particularly discloses integrated landscape type planting equipment and a cultivation method, and solves the problems of more resource and energy waste and insufficient energy conservation of planting equipment in the prior art. The planting equipment comprises a three-dimensional planting assembly used for allowing plants to grow, an irrigation pipeline system used for allowing liquid for plant irrigation to pass through and a liquid supply system used for blending and supplying the liquid needed by the plants, and the liquid supply system is connected with the three-dimensional planting assembly. The irrigation pipeline system is connected between the liquid supply system and the three-dimensional planting assembly. The planting cultivation method comprises the steps of substrate selection, water source preparation, sensor calibration, plant seed broadcast sowing, soil covering, controller starting, automatic monitoring and environmental parameter adjustment, nutrient solution blending and adding into a water tank and the like. The device can be applied to household planting equipment or industrial batch planting equipment, and is energy-saving, efficient and environment-friendly.

The invention provides a water and fertilizer on-line accurate detection and irrigation control system which is used for irrigation of hardened water channels in low-latitude plateau areas. Comprising a cloud box, a data acquisition module, an image recognition module, a system PLC controller and a remote control and system alarm. The cloud box establishes a real-time and historical database based on the data acquired by the data acquisition module, further comprises an irrigation volume model and a crop growth period moisture management model, and makes and outputs an irrigation decision based on the irrigation volume and moisture management model; the data acquisition module is used for acquiring soil or matrix data and field water level; the image recognition module collects crop growth images to enter different period schemes; and the PLC receives an irrigation decision or controls a lifting telescopic rod or a water gate decision. According to the system, large-scale intelligent planting of crops is achieved, a large amount of manpower is saved, the problem that the low-latitude plateau green efficient water-saving irrigation technology lacks is solved, and the crop production amount is greatly increased.

The invention discloses a control system based on a GPS (Global Positioning System) and a center pivot type sprinkling irrigation machine land angle arm. The control system comprises a center pivot tower and a rotating pivot fixed at the center of an irrigation plot; the central pivot type sprinkling machine serves as a main span body, and the starting end of the central pivot type sprinkling machine is connected with the central pivot tower; the land angle arm straddle body is mounted at the tail end of the central pivot type sprinkling machine; the landing angle arm controller comprises a GPS positioning system and a wheel control system, and the wheel control system calculates and detects the wheel angle in real time according to the wheel zero position; the base station provides position information for the anchor arm controller; the wireless communication LoRa module is used for sending the position information of the base station to a foot margin arm controller through the wireless communication LoRa module and providing a centimeter-level high-precision positioning information differential source for a GPS (Global Positioning System); and the screen module is used for displaying the running state and track information of the anchor arm in real time, setting parameters of the anchor arm and alarming fault information. The method is convenient to operate, can plan the track of the anchor arm, avoids obstacles in track planning, and realizes good operation driving.