1394results about "Liquid fertiliser regulation systems" patented technology

A networked delivery system and method for controlling operation of a spraying system includes nozzles for emitting an agrochemical according to a predetermined spray pattern and flow rate; vibration sensors located adjacent an agricultural spray system component to sense vibrations of the agricultural spray system component, such as spray nozzles. The networked delivery system also includes a control area network with a computer processor in communication with the vibration sensors. The processor conveys information to an operator regarding the agricultural spray system component based on the sensed vibrations. The processor also actuates each of the agricultural spray system components such as the spray nozzles to selectively control each of the nozzles or a designated group of the nozzles.

A liquid metering system for an agricultural implement is modular, having individual metering pumps for each crop row. The pumps are individually controlled for precise application of the liquid input and are preferable electrically driven. A common pump is used, making the system modular in that varying sizes of implements can be produced by varying the number of pumps. A common supply line is used to supply a liquid input from a reservoir to the pumps. Each pump is connected to the common supply line. By connecting each pump to the common supply line, the difficulty of routing individual hoses from a central pump to each row unit are overcome.

An agricultural field sprayer (10) includes an electrically driven pump (50) locatable directly under sprayer fluid tank for conveying the fluid from the tank to a supply line. A return line (54) connects the pump (50) to the tank (22), and a sprayer line (32) connecting the pump (50) to an application assembly (20). The return line (54) and the sprayer line (32) include electrically operated control valves (68, 64), and an electronic control system (56) operates the motor (46) and the control valves (64, 68) as a function of different variables including field sprayer speed and sprayer fluid characteristics. The valve and motor controls and an additional valve-controlled return line facilitate numerous operational modes including tank fill, rinse, recirculation, spray, partial width spray, and stop modes.

In one aspect, a system for providing seed-specific placement of fluid as seeds are planted by a planter is disclosed. The system may generally include a seed meter configured to dispense seeds into a furrow at a seed frequency and a nozzle assembly configured to spray the seeds dispensed into the furrow. The nozzle assembly may include a valve. In addition, the system may include a controller communicatively coupled to the valve. The controller may be configured to determine the seed frequency of the seed meter based on a speed-related parameter of the planter. The controller may also be configured to control the operation of the valve based on the seed frequency such that a metered amount of fluid is sprayed at least one of on or adjacent to each seed.

A modular sprayer system for use with heavy-lift unmanned aerial vehicles includes a liquid storage tank for receiving and storing any type of agricultural products. A mounting unit is located along the top of the tank and includes hardware for securing the system to a UAV. Skid-type landing gear is permanently secured to the outside of the tank, and an electric pump is disposed within the tank. The location of the pump dampens movement of fluid within the tank during flight. One or more elongated booms are in fluid communication with the pump and terminate into dispensing units having one or more nozzles for releasing the fluid. A control unit is in electrical communication with one or both of the UAV to which the system is secured and a system operator. A tank level sensor and imaging systems are communicatively linked with the control unit.

A system for dispensing agricultural products includes: a master controller, sets of agricultural product containers, meter devices, and secondary controllers. The meter devices are operatively connected to the product containers and configured to dispense products from the containers to rows in a field wherein each of the sets of containers is associated with a respective row in the field. The secondary controllers actuate the meter devices. Each secondary controller receives command data from the master controller and controls the meter devices for dispensing in response to the command data. Agricultural product from each product container is dispensed in accordance with operator defined instructions to the master controller. The instructions are capable of being provided to the master controller during the planting allowing the dispensing of individual containers to be controlled. In one embodiment the invention is a process for dispensing agricultural products at low application rates utilizing precision placement equipment.

A system and apparatus for controlling the delivery of fluid from a reservoir, in relation to the ground speed of the vehicle delivering the fluid. Including a system where a hydraulic pump and motor are the components to drive the delivery of the fluid from the reservoir. The hydraulic motor is controlled to vary the output of the fluid pump based on a programmable logic controller (PLC) program. Where an operator selects the desired density of fluid to be pumped, the PLC controls fluid pump flow by controlling the hydraulic motor speed based on the vehicle ground speed

Metering devices for an agricultural implement are provided for applying a field input, for example, pneumatically delivered granular product including seed or fertilizer or sprayed liquid product including fertilizer and the like, to an agricultural field. In the applying of the field input, the rate of application of the dispensers of one section of the implement can be collectively varied in relation to the rate of application of the dispensers of a different section of the implement frame.

The invention belongs to the technical field of intelligent management of water-saving irrigation and relates to an intelligent drop irrigation cloud service management system based on a microservice-oriented architecture. The system adopts an architecture with a layer structure and comprises a user layer, an application layer, a gateway layer, a microservice layer, a data layer, an internet of things layer and a resource layer. In the system, a business is split into small-granularity microservice, so that the problems of high coupling degree, high maintenance cost and low reliability of a single architecture are solved; due to the combination of distributed deployment, the request processing capacity is improved, the flexibility is stronger, and the performance advantages is obvious; andthe functional combination is flexibly regulated, according to the engineering scale, crop variety and investment level as well as the practical condition, so that it is convenient to realize rapid upgrading, the problems of long development period, high investment and maintaining and upgrading difficulty are solved, and the universality and adaptability are improved. Microservice covers the links such as operation, maintenance, irrigation, fertilization, pesticide application, agricultural machinery and agricultural technologies of a drop irrigation system, the operation management level ofthe drop irrigation system is comprehensively promoted, the informatization advantage of a platform is exerted, and the water saving, beneficiating and quality improving levels are improved.

Various embodiments of a system for automatically sensing and spraying plants and / or plant precursors as they are planted or otherwise distributed on and / or within the ground is disclosed.

A system for dispensing agricultural products includes: a master controller, sets of agricultural product containers, meter devices, and secondary controllers. The meter devices are operatively connected to the product containers and configured to dispense products from the containers to rows in a field wherein each of the sets of containers is associated with a respective row in the field. The secondary controllers actuate the meter devices. Each secondary controller receives command data from the master controller and controls the meter devices for dispensing in response to the command data. Agricultural product from each product container is dispensed in accordance with operator defined instructions to the master controller. The instructions are capable of being provided to the master controller during the planting allowing the dispensing of individual containers to be controlled. In one embodiment the invention is a process for dispensing agricultural products at low application rates utilizing precision placement equipment.

A plugged nozzle monitoring system uses a thermal flow sensor located within a spray nozzle of an agricultural sprayer. The thermal flow sensor is free of moving parts and is made of corrosion-resistant materials. The thermal flow sensor is placed within the fluid flow path through the nozzle and activates an alarm if flow through the nozzle falls below the baseline value.

In one aspect, a system for providing seed-specific placement of fluid as seeds are planted by a planter is disclosed. The system may generally include a seed meter configured to dispense seeds into a furrow at a seed frequency and a nozzle assembly configured to spray the seeds dispensed into the furrow. The nozzle assembly may include a valve. In addition, the system may include a controller communicatively coupled to the valve. The controller may be configured to determine the seed frequency of the seed meter based on a speed-related parameter of the planter. The controller may also be configured to control the operation of the valve based on the seed frequency such that a metered amount of fluid is sprayed at least one of on or adjacent to each seed.

Metering devices for an agricultural implement are provided for applying a field input, for example, pneumatically delivered granular product including seed or fertilizer or sprayed liquid product including fertilizer and the like, to an agricultural field. In the applying of the field input, the rate of application of the dispensers of one section of the implement can be collectively varied in relation to the rate of application of the dispensers of a different section of the implement frame.

The invention discloses an intelligent efficient water fertilizer and pesticide integrated system. The intelligent efficient water fertilizer and pesticide integrated system comprises a field information monitoring system, an irrigation system, a fertilizer applying system, a pesticide applying system and a mixing system, wherein the field information monitoring system is used for monitoring and sending field soil information, growth state information of crops and information of environments where the crops are located to an image collection control cabinet and a parameter collection control cabinet; the irrigation system is used for introducing water in a water storage tank into cropland, conducting irrigation with water fertilizer liquid output by the fertilizer applying system through an irrigation fertilizer applying pipe, conducting irrigation with the pesticide liquid output by the pesticide applying system through a high-pressure atomization pesticide applying pipe, or conducting irrigation with mixed liquid output by the mixing system through a water fertilizer pesticide integrated pipe. The intelligent efficient water fertilizer and pesticide integrated system adopts a twice mixing mode, the water fertilizer liquid and the pesticide liquid are mixed online in real time in a mixed tank and then enter a mixing cavity of the mixed liquid to be mixed for the second time, and thus the intelligent efficient water fertilizer and pesticide integrated system has advantage in fertilizer and pesticide mixing efficiency.

The present invention provides an advanced spray control system for controlling a sprayer, which comprises a controller, a plurality of sensors and feedback means, and an output means for controlling the application system of the sprayer. The controller receives inputs from the operator through a user interface, and / or various feedback signals from the sensors of the system (e.g., a flow meter, or a pressure transducer). After processing these inputs, the controller sends signals to other components of the sprayer, such as, the pump, the storage means, the boom sections, and / or the nozzles, to maintain or change their operating conditions. Also provided are a method of controlling a sprayer using the spray control system and a sprayer comprising the spray control system of the present invention.

The device according to the invention comprises a bar that includes several consecutive ducts with at least one inlet connected to a source of the liquid product and outlets communicating with nozzles. The device further comprises several sensors for measuring a physical property making it possible to determine a pressure difference between ducts or a pressure in one respective duct, several members designed to vary the pressures inside respective ducts, as well as at least one control unit estimating the pressure differences between ducts and driving the members to reduce those pressure differences or equalize those pressures. This device thus limits the pressure differences, and therefore flow differences, of the liquid product between the nozzles, in particular between the ends of very long bars moving over significant bankings.

A networked delivery system and method for controlling operation of a spraying system includes nozzles for emitting an agrochemical according to a predetermined spray pattern and flow rate; vibration sensors located adjacent an agricultural spray system component to sense vibrations of the agricultural spray system component, such as spray nozzles. The networked delivery system also includes a control area network with a computer processor in communication with the vibration sensors. The processor conveys information to an operator regarding the agricultural spray system component based on the sensed vibrations. The processor also actuates each of the agricultural spray system components such as the spray nozzles to selectively control each of the nozzles or a designated group of the nozzles.

A system for dispensing multiple low rate agricultural products, includes an agricultural product metering system, a number of agricultural product tubes, and an agricultural product metering system. The agricultural product metering system is operably connected to sources of low rate agricultural products. The agricultural product tubes are operatively connected to the agricultural product metering system. The agricultural product metering system is configured to dispense liquid low rate agricultural products at a low rate defined as below 3.7 fluid ounces per 1000 row feet.

A system for providing seed-specific placement of fluid as seeds are planted by a twin row planter includes a planter row unit, at least one nozzle assembly, and a controller. The planter row unit includes a first seed meter configured to dispense seeds into a first furrow at a seed frequency and a second seed meter configured to dispense seeds into a second furrow at the seed frequency. The nozzle assembly is configured to spray the seeds dispensed into the first and second furrows, and includes a valve. The controller is communicatively coupled to the valve, and is configured to determine the seed frequency of the first and second seed meters based on a speed-related parameter of the planter. The controller is further configured to control operation of the valve based on the seed frequency such that fluid is sprayed at least one of on or adjacent to each seed.

The invention discloses a real-time agricultural irrigation monitoring and regulating system based on big data and the Internet of Things. The real-time agricultural irrigation monitoring and regulating system based on big data and the Internet of Things comprises a data collecting module, a data processing module, an image collecting module, an image processing module, an image feature analyzingmodule, a manual input module, a storage database, a cloud server, an irrigation coefficient analyzing module, an irrigation execution end, a fertilization execution end and a display. According to the provided intelligent constructional engineering construction operation environment monitoring system based on big data, by collecting and processing image information of crops, analyzing the kinds and growth stages of the crops in combination with collection and processing of the soil humidity, the air temperature, the air humidity and the wind speed in farmland within various collection time periods, counting irrigation coefficients of crop soil, and then extracting the volume, corresponding to each irrigation coefficient, of water needed for irrigation per square meter according to the corresponding irrigation coefficient of the crop soil to obtain the irrigation water volume corresponding to an occupied area of the farmland, collecting and analyzing nutrient elements of the farmland soil at the same time, and supplying nutrient elements which the soil is short of in time, irrigation and fertilization integrated operation is achieved, the accuracy of the irrigation water volume andthe fertilization amount of the soil is improved, and the water requirement and the fertilization amount of the soil can be analyzed reasonably according to the current practical situations of the soil and the crops, so as to conduct intelligent irrigation and fertilization, so that waste of water resources and fertilizers and high human cost are reduced.

An irrigation and fertilization system based on crop environment cooperative feedback comprises a meteorological station, a soil humidity sensor, a leaf area index measuring instrument and a controller. After the meteorological station, the soil humidity sensor and the leaf area index measuring instrument obtain the sunshine duration, air pressure, air temperature, air humidity, precipitation amount, small climate environment 2-meter high wind speed, solar radiation, field water holding capacity, field water holding rate, water saturation degree, moisture content of withering point soil, a wilting coefficient and leaf area index parameters related to growth of crops, the parameters are transmitted to the controller for data processing and calculation, the infiltration amount, the potentialinfiltration amount, the potential crop transpiration amount, the soil surface potential evaporation amount and potential evaporation amount parameters are obtained, and a mathematical model is further established through calculation to form an irrigation plan.

An apparatus and method are provided for selectively providing delicate nascent plants with a predetermined volume of water containing fertilizer, pesticide, or herbicide to row crops in agriculture operations. The hydraulic apparatus, together with certain electronic controls, delivers aliquots of aqueous solution rapidly, yet under low pressure, thereby ensuring that delicate nascent plants are not damaged by high-pressure flows and also ensuring that bare soil is not subject to erosion. The on / off control of the hydraulic apparatus is provided by means of light emitters.

The invention discloses a reel sprinkling irrigation machine capable of synchronously applying fertilizers or spraying pesticides. The reel sprinkling irrigation machine comprises a reel sprinkling irrigation machine body (1) and a dissolved fertilizer or dissolved pesticide supply device (2). The reel sprinkling irrigation machine body comprises a water turbine case (11) and a pressure water source pipeline (12); the dissolved fertilizer or dissolved pesticide supply device comprises a water inlet pipeline (21), a solution mixing tank (22), a fertilizer or pesticide adding device (23), a stirring device (24), a solution output pipeline, a solution output pump (25), a solution overflow valve, a solution pump-out pipeline, a solution backflow pipeline, a solution output flow regulating valve (26), a solution output flow meter (27) and a dissolved fertilizer or dissolved pesticide supply electric control device. The reel sprinkling irrigation machine capable of synchronously applying the fertilizers or spraying the pesticides has the advantages that resources can be saved, the labor cost can be reduced, the reel sprinkling irrigation machine can bring convenience for adjusting proportions of the fertilizers or the pesticides to sprinkling irrigation water as needed and is particularly applicable to applying the fertilizers or spraying the pesticides while crops are subjected to sprinkling irrigation on a large area, and mechanisms are flexibly arranged.

A system for dispensing seeds and a treatment. The system includes a first tube for dispensing the seeds via a first outlet, a second tube for dispensing the treatment via a second outlet, and a first valve at an upper portion and a second valve at a lower portion of the second tube. The second outlet is located between the discs of a furrow-opening wheel. The first valve is positioned outside of the furrow during operation and controls movement of the treatment from a container into the second tube. The second valve controls release of the treatment from the second outlet into the furrow. The second valve may open and close in response to pressure exerted by the treatment in the second tube. Depending on the treatment, the valves may release the treatment on, adjacent to, or both behind and in front of the dispensed seeds.

An intelligent spray nozzle, comprising an input pressure sensor, a flow rate sensor, a flow modulator, a nozzle pressure sensor, a linear actuator, and an output orifice modulator, wherein an input pressure read from the input pressure sensor and a flow rate read from the flow rate sensor are used as inputs by the flow modulator to drive the at least one linear actuator to control an output spray rate from the intelligent spray nozzle, and wherein a nozzle pressure read from the nozzle pressure sensor is used as feedback for the output orifice modulator, wherein an output orifice is modified by the output orifice modulator to achieve optimal output spray.

A liquid metering system for an agricultural implement is modular, having individual metering pumps for each crop row. The pumps are individually controlled for precise application of the liquid input and are preferable electrically driven. A common pump is used, making the system modular in that varying sizes of implements can be produced by varying the number of pumps. A common supply line is used to supply a liquid input from a reservoir to the pumps. Each pump is connected to the common supply line. By connecting each pump to the common supply line, the difficulty of routing individual hoses from a central pump to each row unit are overcome.

The invention discloses a water-saving irrigation system. The system comprises a rainwater collecting device, a nutrition fertilizing device, an energy-saving device, drip irrigation devices and a control box. The rainwater collecting device comprises a rainwater collecting pool, a water inlet pipe is arranged on the top of the rainwater collecting pool, and a buoyancy ball valve is arranged at the lower end of the water inlet pipe. Each drip irrigation device comprises a main pipe and a humidity sensor, wherein the main pipe is connected with a plurality of branch pipes at equal intervals; the drip irrigation devices are uniformly arranged on the branch pipes, and the humidity sensors are electrically connected with the control box. The invention also discloses an irrigation method of thewater-saving irrigation system. The system can collect rainwater for irrigation so as to effectively reduce the water consumption. By adopting the water-saving irrigation control system, the irrigation amount can be effectively controlled, the water-saving effect of the water-saving irrigation control system is further improved, and fertilization can be carried out during irrigation.