6037results about "Pressurised distribution of liquid fertiliser" patented technology

An apparatus and process for monitoring fluid flow through a nozzle is disclosed. A vibration sensor, such as an accelerometer, is mounted to a nozzle. The vibration output received from the sensor is then analyzed to determine whether or not the nozzle is operating properly. Through the present invention, information can be obtained regarding variations in flow rate, and / or variations in spray pattern and droplet size spectra. If the nozzle flow pulsates, the vibration sensor may also provide information regarding whether the nozzle is pulsating according to a desired frequency duty cycle or waveform.

A system for uniformly dispensing agricultural chemicals in soil comprises a holding reservoir for the liquid agrichemicals, at least one multi-port uniform dispersing manifold or splitter, and a number of dispensing delivery tubes for dispensing the chemicals proximate openings or slits in the soil during various functions such as planting. The liquid agricultural chemicals, within the system, flow, under pressure, from the reservoir to the exit orifice of each delivery conduit. The multi-port, uniform liquid dispersing manifold passively equally and uniformly, divides the incoming fluid stream to provide separate, but substantially equal, divided fluid streams exiting the manifold to individual delivery conduits. The fluid stream flowing through the fluid inlet of the manifold, under pressure, impinges a planar surface, disposed at one end of the manifold inlet, substantially perpendicular to the fluid flow and proximate the manifold exits, such that the fluid stream is radially dispersed and uniformly divided among the exit ports of the manifold. Advantageously, the fluid exit ports which are radially disposed about the fluid inlet have a longitudinal axis substantially perpendicular to the fluid flow in the fluid inlet causing the direction of the exit a flow to be substantially perpendicular to the fluid flow in the fluid inlet.

The invention discloses a remote wireless farmland monitoring system and method. The remote wireless farmland monitoring system comprises a farmland information acquisition subsystem, an irrigation control subsystem, a wireless remote transmission unit, and a cloud computing server, wherein the farmland information acquisition subsystem comprises multiple sensor nodes for acquiring growth information data of farmland crops; the irrigation control subsystem receives irrigation and fertilization commands from the cloud computing server to perform precise fertilization and irrigation; and the cloud computing server performs crop growth simulation day by day in the whole growing period of the crops, computes daily water demand information and growth nutrition information, and sends irrigation and fertilization commands to the irrigation control subsystem in real time. By virtue of the remote wireless farmland monitoring system and method disclosed by the invention, the effect of optimizing and guiding the irrigation and fertilization during crop plantation by farmers is achieved, and more precise irrigation and fertilization control can also be provided so as to achieve the aims of saving water and fertilizer and improving earnings.

The present invention is an apparatus and method for introducing a dry material into a fluid stream in a way that ensures a predictable, highly accurate and consistent application of the material where the fluid stream may be fixed or variable, where the material is handled and metered in dry bulk form and may be highly soluble or nearly insoluble, and in a manner that continuously and automatically adjusts the application rate to compensate for varying material bulk density, as well as, and in addition to, varying fluid flow rates or chemical composition, in order to provide a precise fluid treatment level at all times. The present invention incorporates the necessary means to store large quantities of the dry process amendment as an integrated and dust-free function of the apparatus and process, and is capable of monitoring and adjusting material levels and introduction rates in real time in response to variations in density, fluid flow rate and / or chemistry composition.

The invention relates to a water, fertilizer and gas integrated trickle irrigation system and method. The trickle irrigation system comprises a water supply pump, wherein the water supply pump is connected with a mixing tank which is provided with a float ball water level gauge; a pH sensor, an EC (Electric Conductivity) sensor and a DO (Dissolved Oxygen) sensor are arranged in the mixing tank; a water outlet pipe of the mixing tank is connected with a pipeline pump through a two-way solenoid valve; an outlet of the pipeline pump is connected with a three-way solenoid valve; one outlet of the three-way solenoid valve is connected with a mesh filter; another outlet of the three-way solenoid valve is connected with branch pipes of a plurality of Venturi fertilizer injectors; an outlet of each branch pipe is connected with the mixing tank; a liquid inlet of each Venturi fertilizer injector is connected with a tank body; the lowest part of the mixing tank is connected with a submicron bubble generating device through a two-way solenoid valve I; the pH sensor and the EC sensor are connected with an EC / pH controller; the DO sensor is connected with a DO controller; the EC / pH controller and the DO controller are connected with a programmable controller; and each two-way solenoid valves, each three-way solenoid valve, the float ball water level gauge, the water supply pump, the pipeline pump and the submicron bubble generating device are respectively and electrically connected with the programmable controller. The trickle irrigation system and the trickle irrigation method can be widely used in various water, fertilizer and gas integrated trickle irrigation processes.

The invention discloses a remote intelligent irrigating fertilizing system, comprising a collecting module, a central controlling module and an executing module, wherein the collecting module uses a sensor to collect field on-site humidity, inlet and outlet water levels, weather, temperature and lightness, the central controlling module receives the collected data from the collecting module, via a central control computer to calculate out the fertilize formula and the water consumption, to be sent to the executing module, the executing module comprises a programmable controller exchanging data with the central controlling module to control the switches of an electromagnetic valve, a filter, a flux meter, a metering water pump, and an automatic rotary mixing chamber. The invention can calculate out the fertilizer formula and water consumption according to the basic information of field, so as to automatically control the inferior devices to intelligently irrigate and fertilize, with real-time property, high efficiency and wide application.

The invention provides an intelligent water-saving fertigation system and method. The intelligent water-saving fertigation system comprises a management control unit, a core processing unit, a soil environment detecting unit, a water detecting unit, a fertilization control unit and an irrigation control unit, wherein the management control unit is used for receiving a remote / local instruction of a manager and forwarding the instruction to the core processing unit; the core processing unit is used for sending a state parameter collecting instruction to the environment detecting unit and the water detecting unit; the soil environment detecting unit is used for obtaining the soil environment information of an irrigation field; the water detecting unit is used for obtaining the water quality information and water pressure information of water used for fertigation; the fertilization control unit is used for controlling the type and the using amount of fertilizer dissolved in water used for irrigation; and the irrigation control unit is used for filtering the water used for fertigation and adjusting the irrigation amount and the water pressure of an irrigation pipeline. The intelligent water-saving fertigation system can achieve the functions of energy and water conservation, remote control, unattended operation, automatic alarming, fertigation instruction, geographical information query and browsing, and the like.

A system for uniformly dispensing agricultural chemicals in soil comprises a holding reservoir for the liquid agrichemicals, at least one multi-port uniform dispersing manifold or splitter, and a number of dispensing delivery tubes for dispensing the chemicals proximate openings or slits in the soil during various functions such as planting. The liquid agricultural chemicals, within the system, flow, under pressure, from the reservoir to the exit orifice of each delivery conduit. The multi-port, uniform liquid dispersing manifold passively equally and uniformly, divides the incoming fluid stream to provide separate, but substantially equal, divided fluid streams exiting the manifold to individual delivery conduits. The fluid stream flowing through the fluid inlet of the manifold, under pressure, impinges a planar surface, disposed at one end of the manifold inlet, substantially perpendicular to the fluid flow and proximate the manifold exits, such that the fluid stream is radially dispersed and uniformly divided among the exit ports of the manifold. Advantageously, the fluid exit ports which are radially disposed about the fluid inlet have a longitudinal axis substantially perpendicular to the fluid flow in the fluid inlet causing the direction of the exit a flow to be substantially perpendicular to the fluid flow in the fluid inlet.

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.

The invention discloses a lifting spraying agricultural irrigator which comprises a base, a water tank, a water spraying tank, a motor and a pump, wherein the left side of the base is fixedly connected with a push handle; through slots which are downwards opened are symmetrically arranged on two sides of the bottom of the base; lifting devices are fixed at the middle positions at the tops of the through slots; the output ends of the lifting devices are fixedly connected with connection plates; two sides of each connection plate are connected with wheels in a rotatable manner; the motor is arranged in the base; the output end of the motor is connected with a rotating shaft; the rotating shaft extends into the water tank, and stirring blades are arranged on a shaft body extending into the water tank; the water spraying tank is located on the right side of the water tank; the water spraying tank is fixedly connected with the base; a second belt wheel, a first bevel gear, a second bevel gear, a cam and a movable block are arranged in the water spraying tank; the movable block is communicated with a spraying nozzle. By the design of the lifting wheels, the whole device is convenient to move, and the service lives of the wheels are prolonged; meanwhile, the spraying nozzle can move up and down in a reciprocating manner, so that the spraying range is enlarged.

The invention relates to a crop growth irrigation decision-making control system comprising a crop database, a soil database, a meteorological database, an irrigation volume database, and an achievement database. Crop parameter data from the crop database, soil parameter data from the soil database, and meteorological data from the meteorological database are initialized by a crop growth mathematical model of the decision-making control system; with combination of irrigation volume data from the irrigation volume database, the crop growth mathematical model carries out state calculation; the decision-making control system makes an irrigation decision based on the irrigation decision-making model; and the irrigation decision-making effect is fed back based on daily data output provided by the achievement database; and the irrigation decision is adjusted based on the evaluation result.

A system including a controlled agriculture environment containing one or more growing rooms, each containing one or more growing units is described. Each growing room is managed by an HVAC system under the control of an environmental control unit. Each growing room may have a specific temperature and humidity optimized for the type of plant or plants being room. The growing room may have a positive air pressure when compared to areas connected to it to ensure that no insects or contaminants can enter the growing room. The growing room may provide water feed, compressed air, CO2, and electricity to each of the growing units. The growing units are also connected wirelessly to an environmental control unit.

The invention discloses a vehicle-typed double-mast elevating high-spraying wind-proof atomizing machine vehicle, which is characterized by the following: setting anchoring volume machine on four angles of truck wagon; loading cable on the anchoring volume machine; loading current rectifier in the spraying cylinder; setting adjustable injector in front of the current rectifier; connecting adjustable injector and another liquid outlet of three-cylinder piston pump through liquid supplying pipe; setting electric control box, anchoring electric control box, elevating electric control box and spraying angle electric control box in the operating chamber.

A method and system utilizing one or more agricultural drones in combination with agricultural equipment, e.g., an agricultural boom sprayer, to evaluate the crops being farmed, and to improve the real-time delivery and dispensing of liquid from the sprayer including monitoring and verifying that the liquid is being dispensed correctly and / or in accordance with a desired distribution pattern or level.

A lawn and garden sprayer designed for homeowners, landscapers, and lawn-care professionals for the application of liquid organic fertilizers and soil amendments on small to medium sized yards and business landscapes. The lawn and garden sprayer is a lawn mower-like system that holds up to 8 gallons of water soluble fertilizers and soil nutrients which can be dispensed evenly, economically and easily through either two spray nozzles located in front of the front tires which provide a 24 inch overlapping spray directly to the turf, or by a wand sprayer attached to a pump by a 20 foot hose used to spray directly on trees, shrubs, plants, and beds.

The invention provides a bypass automatic fertigation device which comprises a mixed fertilizer unit, an EC / PH detection unit, a control unit and an execution unit; the mixed fertilizer unit comprises a plurality of fertilizer injection pipelines, a pH regulating pipeline which are parallelly connected with the fertilizer injection pipelines, and water inlet pipelines and mixed fertilizer pipelines which are respectively arranged on the front end and the rear end of the parallel pipelines; the EC / PH detection unit is used for detecting the EC and the pH of the mixed fertilizer solution in the mixed fertilizer pipelines; the control unit controls the proportion of the fertilizer solution in the mixed fertilizer pipelines by respectively controlling the fertilizer injection and the conditioning solution injection of the fertilizer injection pipelines and the ph regulating pipeline, so that they meet the set values; and the execution unit responds to the fertilizing instructions of the control unit, and leads the fertilizer solution in the mixed fertilizer pipelines into a farmland irrigation network. The device can precisely control the fertilizing concentration, the fertilizing proportion and the fertilization in the fertilizing process, and can be simply and quickly connected with an irrigation system with a certain scale and an irrigation head with a certain size, so as to reduce the equipment cost.

The invention discloses a comprehensive plant production management system and an implementation method thereof. The comprehensive plant production management system comprises an environment monitoring system, a front controller and a background management center, wherein the environment monitoring system acquires growth environment parameters and growth status parameters of plants in a production field; the front controller uploads the growth environment parameters and the growth status parameters to the background management center, and controls a production management subsystem to execute corresponding production management operations according to control instructions sent by the background management center; and the background management center receives the growth environment parameters and the growth status parameters uploaded by the front controller, and sends the control instructions to the front controller. In the system, as the growth environment parameters and the growth status parameters of the plants in the field are acquired, and are uploaded to the background management center through a network, the background management center can automatically analyze the growth environment parameters and the growth status parameters, or sends the control instructions to the front controller through a human-machine interaction means to control the production management subsystem to perform corresponding production management operations on the plants according to the control instructions, therefore the probability of needing a person to visit the production field is reduced, and the production efficiency is improved.

The invention relates to a fertilizing device for planting forage grass in the animal husbandry, in particular to a high-efficiency fertilizing device for planting forage grass in the animal husbandry. The invention aims at providing the high-efficiency fertilizing device for planting the forage grass in the animal husbandry, which is high in fertilizing efficiency and convenient in operation and is time-saving and labor-saving. In order to achieve the aim, the invention provides the high-efficiency fertilizing device for planting the forage grass in the animal husbandry. The high-efficiency fertilizing device comprises a bottom plate, wheels, a first guide sleeve, a bracket, a special-shaped rack, a second guide sleeve, a first rack, a first gear, a left frame, a drawing wire, a swinging rod, a spring, a sector-shaped gear, a connecting rod, a first motor, a rotary disc, a clamping block, a connecting rod, a first supporting rod, a piston, a cylinder body, an installing plate, a fixed rod, a fixed plate and a spraying nozzle and the like; the wheels are arranged at the bottom part of the bottom plate in a manner of bilateral symmetry. The fertilizing device provided by the invention has the advantages that the fertilizing efficiency is high, the operation is convenient, and the time and the labor are saved; the fertilizing device plays an important role all the time, not only has good fertilizing effect, but also improve the working efficiency.

The invention discloses an automatic targeting and spraying system based on the binocular vision technology. The automatic targeting and spraying system based on the binocular vision technology comprises an all-directional mobile platform. An image acquisition device, a spraying device and a control device are arranged on the all-directional mobile platform, wherein the control device is used for receiving and analyzing crop image information output by the image acquisition device and controlling the spraying device and the all-directional mobile platform to work. The spraying device comprises a pesticide box, a liquid outlet pipe, a delivery pump and a mechanical arm, wherein one end of the liquid outlet pipe is communicated with the pesticide box, the other end of the liquid outlet pipe is connected with a spray bar, and a plurality of spray nozzles are fixed to the spray bar; the delivery pump is arranged on the liquid outlet pump and used for pumping fertilizer or pesticide in the pesticide box into the liquid outlet pipe; the spray bar is fixed to the mechanical arm, the image acquisition device comprises a binocular camera fixed to the mechanical arm, and the binocular camera and the spray bar are installed on the mechanical arm so that all-directional image acquisition can be conducted on crops and all-directional and fine pesticide or fertilizer spraying can be carried out on the crops. Consequently, the utilization rate of the pesticide or the fertilizer is increased.

A system includes a boom. The boom includes a first section and a second section. The system includes a first actuator element configured to drive rotation of the first section, a second actuator element configured to drive rotation of the second section, and a locking element configured to block rotation of the first section and to block rotation of the second section while the locking element is in an activated position. Moreover, the system includes a sensor element disposed on the boom. The sensor element is configured to output a signal indicative of a first height between the first section and a field and a second height between the second section and the field. The first and second sections are configured to independently rotate based on the received signal to maintain a desired height between the field and each of the first section and the second section.

The invention relates to an underground water, fertilizer and gas integrated irrigation system, and belongs to the field of irrigation management. The underground water, fertilizer and gas integrated irrigation system comprises a water source, a water and fertilizer coupling system, an air-entrapping system, an active transport system, an irrigation system and a control system, wherein the water source comprises a running water inlet pipe opening and a check valve; the water and fertilizer coupling system comprises a water inlet valve, a fertilizer mixing tank, a fertilizer mixing valve, a fertilizer storage tank, a flow meter, a filter, a fertilizing pump and a water check valve; the air-entrapping system comprises an air compressor and an electromagnetic valve; the active transport system comprises a transport main pipe; the irrigation system comprises an irrigation main pipe, an irrigation branch pipe, an irrigation hollow billet and a water dropper; and the control system comprises a soil humidity control circuit and an atmospheric pressure test circuit. According to the underground water, fertilizer and gas integrated irrigation system, a certain amount of water and a certain quantity of a fertilizer are provided according to the requirements of crop growth; the root of a plant is ventilated to meet the condition that the root is subjected to aerobic respiration to maintain metabolism and growth and development of the overall plant; the use amount of water and the use quantity of the fertilizer can be effectively reduced; the management is optimized; the labor force is reduced; and the yield is increased.

The invention relates to an intelligent management system applied to a vegetable plantation greenhouse. The system comprises a cloud server, an environment detection unit, an intelligent adjustment unit, a real-time image monitoring unit, a digital positioning unit, a central processor and a hand-held terminal provided with an APP. Through the intelligent management system, on one hand, the manual monitoring cost and errors can be reduced, efficient and scientific management is carried out on crops in the plantation greenhouse, the cost is decreased, the economic benefits are increased; and on the other hand, the intelligent management system also has a visitor control function, for the purpose of enabling a visitor to conveniently experience agricultural plantation intelligent management, a digital positioning unit and a display screen are arranged on each plantation greenhouse, when the visitor reaches the plantation greenhouse, he can obtain corresponding control authority of the plantation greenhouse simply by inputting a correct digital code through an intelligent mobile phone in his hands, the visitor can control an intelligent adjustment unit of the greenhouse through the intelligent mobile phone, and experience of the visitor is improved.

The invention discloses an agricultural spraying and irrigating device with good mixing effects. The agricultural spraying and irrigating device comprises a support seat. A first support frame is connected with the middle of the upper end of the support seat, a driving shaft is connected with the middle of the first support frame, a driving gear is connected with the middle of the front end of the driving shaft, gear tooth groups are uniformly connected with the outer side of the driving gear, a driving belt pulley is connected with the middle of the driving shaft and is positioned at the front end of the driving gear, a first rack meshes with the lower end of the driving gear, limiting stoppers are connected with the middles of two ends of the first rack, a fixing shaft is connected with the right end of the first rack, a fixing barrier is connected with the right end of the fixing shaft, a second rack is connected with the right end of the fixing barrier, a stirring gear is connected with the front end of the middle of the second rack, a third support frame is connected with the right side of the upper end of the support seat, a stirring tank is connected with the upper end of the third support frame, a driven shaft is connected with the middle of a fourth support frame, and a driven belt pulley is connected with the front end of the middle of the driven shaft. The agricultural spraying and irrigating device has the advantages that the agricultural spraying and irrigating device not only has spraying functions, but also has irrigating functions, and the good mixing effects can be realized by the agricultural spraying and irrigating device.

The present invention relates to a movable single unit system of fertilizer injection and pesticide spraying; the present invention comprises a machine frame; land wheels equipped at the bottom of the machine frame; a fertilizer / pesticide bucket for containing fertilizer or pesticide; a pressure pump which is connected with the fertilizer / pesticide bucket by a first controllable valve; to pressurize the injected pesticide and is connected with a water inlet joint by a fourth controllable valve to pressurize the injected water and is connected with a nozzle to spray the pressurized pesticide; a fertilizer injection pump which is connected with the fertilizer / pesticide bucket by the first controllable valve and connected with a flow sensor and the pressure pump by a third controllable valve and also connected with a water outlet joint to mix the water injected from the pressure pump and fertilize injected from the fertilizer / pesticide bucket and to spray the mixture from the water outlet joint; a controller used for controlling the opening and closing of the controllable valves and the stop of the pressure pump. The device can be moved conveniently which solves the problem that the water pressure of drip irrigation is low; the efficiency is low and additional fertilizer can not be applied on the seedling stage; at the same time the device is characterized by the functions of fertilizer injection and pesticide spraying.

The invention relates to an accurate drip irrigation and fertilization system which comprises a monitoring system, a fertilizer and liquid mixing system and a drip irrigation system, wherein the fertilizer and liquid mixing system is connected with the drip irrigation system by a pipeline, the monitoring system is connected with the fertilizer and liquid mixing system and the drip irrigation system respectively by lines, the monitoring system consists of an industrial control computer that is connected with a programmable logic controller by a Zigbee wireless transceiving module, and the programmable logic controller is connected with an AD input module and a DA output module. With the accurate drip irrigation and fertilization system, an agricultural producer can realize full-automatic operation during the drip irrigation and fertilization processes, not only can know information of producing process in real time, but also can accurately carry out fertilization decision so as to achieve the effects of avoiding fertilizer waste and saving labor; and as data transmission adopts a wireless mode, the monitoring computer and a field controller are separated, and the problem that a communication cable of the system is not easy to be laid in the field can be effectively solved.

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 relates to a method and a device for intelligently controlling precision irrigation and fertilization. The method and the device have the advantages that intelligent control is applied to the field of water-saving irrigation by the aid of the method and the device, so that the problem of high labor and material consumption required by manual operation on water-saving irrigation systems can be solved; fertilizers are applied to crops by the aid of an intelligent control system according to soil types, species of the crops and growing periods of the crops, and accordingly the method and the device are favorable for improving the fertilization precision and saving fertilizers; the fertilizers flow to locations near root systems of the crops along with water, accordingly, the method and the device are favorable for preventing deep-layer loss of the fertilizers, the fertilizer efficiency can be improved, the yield of the crops can be increased, underground water can be prevented from being polluted by the fertilizers and chemical agents, and the problem of agricultural non-point source pollution can be solved.

The invention relates to the farmland water conservancy field, in particular to a spraying and dripping irrigating system for fruit trees. The spraying and dripping irrigating system mainly comprises a water source, a front hub, a trunk tube, a dry tube, a spraying and dripping irrigating branch tube, a spray head and a dripping head, wherein the front hub mainly comprises a water pump, a fertilizer applying tank, a filter, a control valve and a pressure meter; the trunk tube is communicated with the dry tube; a water outlet pile is further arranged on the dry tube; water in the dry tube is filtered and then conveyed to the ground branch tube through the water outlet pile; the control valve is arranged at the connecting part between the water outlet pile and the ground branch tube; a three-phase valve is arranged on the upstream of the branch tube. The spraying and dripping irrigating system is reasonable in design, simple in structure, beneficial to irrigation and fertilization, capable of regulating the field microclimate, suitable for irrigating in a frozen period, and not prone to salt accumulation. Compared with the prior art, the spraying and dripping irrigating system is simple and convenient to operate, is economical and practical, is more suitable for practical production needs and is capable of further improving the water-saving efficiency of dripping irrigation.