201results about How to "Precision irrigation" patented technology

A laser surgical device for removal of intraocular tissue including a handpiece and a tip. The handpiece has a sleeve that creates a passage way for irrigation fluid. An optic fiber or similar light conveying means is contained within the handpiece. A passageway for aspiration is included in the handpiece and continues into the tip. The tip is configured with a photon trap that captures stray laser light and prevents it from continuing into the eye.

The invention discloses a facility agriculture intelligent water and fertilizer integrated control system and a control method. The control system comprises a four-layer framework of a planting layermodule, a control layer module, a local management layer module and a remote management layer module; and the control layer module, the local management layer module, the remote management layer module and the planting layer module are electrically connected with each other. The control system comprises the following steps: determining a precise fertilizer mixing control algorithm; determining thedynamic correlation between the atmospheric indexes of the soil plants, and establishing an optimal water and fertilizer regulation and control mode mathematical model; and researching and designingthe facility agricultural water and fertilizer integrated system. According to the control system and the control method in the invention, the utilization coefficient of irrigation water and the effective utilization rate of the fertilizer can be improved, wasting of resources, ecological degradation and environmental pollution are reduced, the sustainable development of agriculture is guaranteed,and high-yield, high-quality, efficient, ecological and safe modern agriculture development is realized.

The invention discloses a water, fertilizer, air, heat and pesticide integration intelligent irrigation system for a farmland irrigation area. The system comprises field collection control subsystems,irrigation area control subsystems, a service cloud platform and an apparition terminal, wherein a plurality of field collection control subsystems are in communication connection with a plurality ofirrigation area control subsystems through a wireless node; the plurality of irrigation area control subsystems are connected with the service cloud platform through the wireless node; and the service cloud platform is in communication connection with the application terminal through the wireless node. The invention is a field intelligent trickle irrigation and spray irrigation control irrigationsystem based on the Internet, the Internet of Things, a remote sensing technology and a sensing and wireless transmission technology. Mass data of an irrigation unit is intelligently controlled to carry out big data analysis, an intelligent irrigation information service cloud platform is constructed to realize the accurate irrigation of farmland irrigation area, single-point soil moisture content, crop water shortage index and atmospheric evaporation ability index spatial variation problems and an irrigation differentiation criterion problem are solved, and irrigation automation, precision,institutionalization, platformization and standardization can be realized.

The invention discloses a greenhouse irrigation system and method based on neural network prediction. The greenhouse irrigation system comprises a plurality of greenhouse monitoring areas, a neural network prediction module, a fuzzy control decision module and an irrigation module, wherein the greenhouse monitoring areas are arranged in a greenhouse, monitoring modules are arranged in the greenhouse monitoring areas, and each monitoring module comprises a humidity monitoring system, a temperature monitoring system and a soil moisture monitoring system; the neural network prediction module is connected with the monitoring modules and used for predicting evapotranspiration of crops in the greenhouse; the fuzzy control decision module is connected with the neural network prediction module, and a fuzzy PID control mode is adopted by the fuzzy control decision module; the irrigation module is connected with the greenhouse and the fuzzy control decision module.

The invention discloses an intelligent control system for water and fertilizer integrated drip irrigation. The intelligent control system is characterized by comprising a drip irrigation tape band body, emitter nodes, soil property sensor module nodes near emitters, an in-drip-irrigation-tape water and fertilizer pressure sensor, a drip irrigation water input pipeline, a drip irrigation water input pipeline solenoid valve, a drip irrigation fertilizer input pipeline, a drip irrigation fertilizer input pipeline solenoid valve, an embedded module and a far-end decision host. According to the intelligent control system, related sensors are mounted at the drip irrigation tape emitters to acquire soil conditions in real time and transmit information back to the host to assist a decision maker in making the best judgment for parameters such as the water-to-fertilizer ratio, the drip irrigation amount and the like, so that the water-to-fertilizer ratio and the flow velocity are adjusted automatically, and purposes of water-saving irrigation, precise water and fertilizer integrated irrigation and the like are achieved.

The invention relates to a spraying head with a wind resisting function and belongs to the technical field of agricultural water saving. The spraying head with the wind resisting function comprises aflow adjusting device, a steering device, an extensible and retractable pipe, a spraying pipe, a spray head and a wind speed and wind direction measuring device. According to the spraying head with the wind resisting function, the flow size and the steering direction of the spray head can be controlled according to the different wind speeds and wind directions, and so that the change of ejecting range is achieved; when wind is following wind, the flow can be adjusted to be reduced, meanwhile, the spray head is adjusted to rotate toward a windward side; and when wind is dead wind, the flow is adjusted to be increased, meanwhile, the spray head is adjusted to rotate toward a windward side, the spraying range of the spray head is not changed, and the wind resisting requirement is met. The spraying head with the wind resisting function is easy to operate, time and labor are saved, and the spraying head has the beneficial effects that integral selectivity is achieved, the cost is saved, andthe efficiency and the spraying uniformity are high. The spraying head with the wind resisting function achieves spraying automation, a motor is adjusted according to needs to adjust different waterinlet flows and nozzle angles, man-made operation is reduced, and the opening diameter adjusting precision is improved.

The invention relates to a dual-variable accurate irrigate ejector whose jet range and flux can be synchronously controlled, wherein it comprises a swing ejector whose round section of inlet of hollow axle is changed into non-round section; one dual-head screw connector is arranged between the hollow axle and the water upright tube; the connector has one water baffle plate that moves up and down; when the ejector works, the relative motion between water baffle plate and water through hole can periodically change the water section, to change the pressure, flux and jet range, to synchronously control the spray area and spray amount, and improve the sealing property and control accuracy. The invention has simple structure, low weight and low cost.

The invention belongs to the field of agricultural technology, and relates to precise irrigation in the tillering stage of rice plants after wheat straws returned to field, in particular to a precise management method of moisture in the tillering stage of rice plants after wheat straws are returned to the field. The management method of moisture in the tillering stage of rice plants after wheat straws are returned to the field determines irrigation indexes according to corresponding quantity of the wheat straws returned to the field and soil types, and comprises the following steps that (1) a soil slight falling dry irrigation method is adopted under the condition that the quantity of the wheat straws returned to the field is in a range of 3-3.5t hm-2, and (2) a soil medium falling dry method is adopted under the condition that the quantity of the wheat straws returned to the field is in a range of 6-7t hm-2. The management method of moisture in the tillering stage of rice plants after wheat straws are returned to the field enables moisture supply and moisture required by growth of the rice plants to be consistent and solves the problems that the rice field is high restoring capacity and rice seedlings do not sprout after straws are returned to the field.

The invention provides an intelligent irrigation monitoring and control system. The system is composed of a functional module, a sensing module and a server and is a functional Internet-of-Things irrigation central control system which adopts a water flow control and early warning mechanism as a core; the sensing module is used for obtaining the real-time flow rates of electronic water meters at irrigation points, the ambient temperature and humidity of peripheral sensors, and other information; the functional module acquires the information of the sensing module, processes the information, sends the processed information to the server, and remotely turns on and turner off irrigation equipment; the server stores and processes the information sent by the functional module, displays the information on a WEB page in a grouped manner and/or pushes the information to an APP for realizing the graphical display of the information, and performs feedback control on the functional module. With the intelligent irrigation monitoring and control system of the invention adopted, an irrigation system can be monitored remotely and intelligently; prompt warns can be issued according to irrigation situations; and irrigation can be performed according to soil moisture content; and outdoor three-dimensional, green and accurate irrigation and scientific decision-making can be realized.

The invention an intelligent irrigation and fertilization system based on cloud computation. The intelligent irrigation and fertilization system comprises an irrigation and fertilization module, a data acquisition module, a control module and a cloud service system, wherein the irrigation and fertilization module is used for providing water and fertilizer which are required for crop growth; the data acquisition module is used for monitoring and tracing plant growth environment data of a zone where the data acquisition module is located in real time, carrying out abnormal data cleaning on the plant growth environment data and sending usable plant growth environment data to the control module; the control module is used for receiving the plant growth environment data of a field which is monitored and traced by the data acquisition module in real time, sending the plant growth environment data to the cloud service system and simultaneously receiving a command from the cloud service systemto switch on or off a water pump and an electromagnetic valve.

The invention provides a precise drip irrigation system with autonomous consciousness, belonging to the technical field of agriculture irrigation. In the invention, a flow meter, a temperature sensor, a high moisture sensor, a low moisture sensor, a humidity analyzer and a plant spectrum analyzer in a data collecting component are respectively connected with a digital-analogue converter I in an analyzing and decision-making component; a drip irrigation pump, a fertilizer pump and a pesticide pump in a drip irrigation executing component are respectively connected with a digital-analogue converter II in the analyzing and decision-making component. The system can perform precise irrigation under the condition of satisfying the water demand of the crops without influencing the growth of the crops; therefore, the system saves water source and improves crop yield.

The invention relates to a mobile drip irrigation device with accurate irrigation for agricultural production. The device comprises a base seat, a water tank, a processor, a water injection pipe, twocrawler belts and two drip irrigation mechanisms, wherein the drip irrigation mechanisms comprise water pumps, drip irrigation pipes and a plurality of drip irrigation components; the drip irrigationcomponents comprise connecting pipes, drippers, dustproof mechanisms and windproof mechanisms; each the dustproof mechanism comprises a moving plate, an ejection pin and two driving components; the driving components comprise first motors, rotating plates and telescopic components; and the windproof mechanisms comprise rotating components, circular rings, baffles, supporting components and adjusting components. The movable drip irrigation device for irrigation precision used in agricultural production can adjust the angular positions of the baffle and the baffle through the windproof mechanism, and wind is blocked through the baffle and the baffle to prevent water droplets from deviating from the irrigation position under the influence of wind force, thus realizing accurate irrigation. Moreover, after drip irrigation is completed, the ejector pin is inserted into the drip head through the dustproof mechanism to avoid blockage caused by impurities entering the drip head, thereby improving the practicability of the device.

The invention belongs to the technical field of agricultural robots, and particularly relates to an agricultural robot capable of achieving cooperative work of soil turning and irrigation. The agricultural robot comprises a bottom plate, a moving mechanism, a soil turning mechanism and an irrigation mechanism, wherein the moving mechanism is arranged on the bottom plate to be used for driving thebottom plate to move, the soil turning mechanism is arranged on the bottom plate to be used for conducting soil turning work on land, and the irrigation mechanism is arranged on the bottom plate and used for irrigating crops. According to the agricultural robot, through the design of the soil turning mechanism and the irrigation mechanism, the land for planting agricultural products can be subjected to soil turning operation, and the planted agricultural products can be irrigated; the robot has two work capacities, and is high in applicability and practicability; moreover, through the moving mechanism, the soil turning mechanism and the irrigation mechanism on the bottom plate are driven to move on the land, the automation and mechanization degree is high, irrigation and soil turning operation does not need to be conducted manually, the labor intensity of farmers is lowered, and the working efficiency is improved.

The invention discloses an adjustable agricultural water conservancy irrigation device and a use method thereof. The adjustable agricultural water conservancy irrigation device comprises a base, four universal wheels are fixedly installed at the bottom of the base and symmetrically arranged in pairs, a water tank is fixedly installed at the top of the base, and a filter screen is fixedly installed in the water tank; and a stirring shaft positioned above the filter screen is arranged in the water tank. The adjustable agricultural water conservancy irrigation device is reasonable in design and good in practicability, by means of reciprocating swing of two drainage pipes, the spraying directions of multiple nozzles can be changed, water mist can be evenly sprayed to crops, the irrigation effect on the crops is better, the sprayed water mist can be blown to be diffused by means of air sprayed out of multiple air holes, by means of reciprocating swing of the two drainage pipes, the irrigation area of the crops is increased, the range of sprayed water mist is enlarged, and the irrigation quality and irrigation efficiency of the crops are improved.

The present invention provides a wisdom garden management system. The system comprises: a data layer module configured to obtain wisdom garden data and store the wisdom garden data to a wisdom gardendatabase; a service layer module configured to publish the wisdom garden data in the wisdom garden database as service information through middleware; and an application layer module configured to generate a computing instruction according to the service information. Correspondingly, the invention further provides a wisdom garden management method. The wisdom garden management system and method changes a traditional urban garden labor management mode, and change manual pipe-dragging spray irrigation at fixed time and fixed places to a mode of intelligent control of sprayer spraying according to the newest actual measurement environment so as to achieve accurate irrigation, save human cost, improve water resource utilization rate and achieve urban garden low-carbon management.

The invention belongs to the field of water-saving irrigation, and particularly relates to a water-saving afforestation micro-irrigation leakage head for arid and semi-arid regions. Existing waterwheel connection pipe flooding irrigation modes cause waste of water resources, are not all good for growth of psammophytes, thereby being non-sustainable irrigation modes. The micro-irrigation leakage head comprises a mounting frame, a filter net, wear-resistant protrusions, a conical head, a connection cover and a joint, and the top of the mounting frame is hermetically connected with the connectioncover in a threaded manner. By inserting the micro-irrigation leakage head into soil, when vegetation is irrigated, water can be directly delivered into the soil in which the vegetation grows, in this way, accurate irrigation of the vegetation can be realized, and artificial afforestation survival rate is increased while the waste of the water resources is reduced effectively; by means of inserting the micro-irrigation leakage head into the soil, continuous irrigation can be realized, so that the micro-irrigation leakage head has great market popularization prospect.

A water sprinkling apparatus primarily for trees includes a branched piping manifold in a substantially horizontal plane and forming a predetermined pattern, such as a U, an H, or a Y. At least three pipe fittings are disposed along the branched piping manifold to provide attachment of at least two sprinkler heads removably screwed into the pipe fittings. A common garden hose connection also attaches to the manifold and provides water supply to all the attached spray nozzles, which preferably offer adjustable spray patterns and distances.

The invention discloses an integrated adjustable automatic soil longitudinal water recording instrument which comprises a sealing shell, wherein an electronic element and a measuring assembly are arranged in the shell; the electronic element comprises a communication interface, a power supply and a mainboard; the mainboard comprises a controller and a storing device; the measuring assembly comprises an installation framework; a plurality of pairs of electrodes are arranged on the installation framework; the electrodes can slide along the installation framework; a limiting device is also arranged on the installation framework; each pair of electrodes is in data connection with the mainboard by a flexible cable; data output by the electrodes are transferred into the controller; the controller transfers the data into the storing device for storing; the power supply is used for powering the electronic element; the communication interface is connected with the controller. According to the instrument, an integrated design is adopted, the power supply, the mainboard and the communication part are packaged in the shell; the data can be recorded and stored for a long time; meanwhile, the measuring depths of different soil layers can be adjusted according to needs, so that the monitoring requirements of users on water at the different soil layers can be met.

A method of estimating a water property value for plants using aerial thermal images is provided. The thermal image values and at least one weather parameter are used to calculate a water stress value. The water property value is estimated using the water stress value and a predetermined correlation between the water stress value and the water property value.

The invention provides an ecological agriculture intelligent irrigation system based on environmental moisture monitoring. The system comprises an irrigation execution module, a monitoring module, a control module and a data analysis terminal, wherein the irrigation execution module is used to provide water and fertilizers for crop growth in a farmland, the monitoring module is used to collect crop growth environment data of a monitored location and send the crop growth environment data to the control module, and the control module is used to receive the crop growth environment data sent by the monitoring module, send the data to the data analysis terminal, and simultaneously receive instructions from the data analysis terminal and send corresponding control signals to the irrigation execution module according to the instructions.

The invention relates to the technical field of agricultural irrigation equipment, specifically to an intelligent drip-irrigation system. The intelligent drip-irrigation system is characterized by comprising a water supply pipe, wherein drip-irrigation devices are uniformly arranged on the water supply pipe; each drip-irrigation device comprises a vertically-arranged water outlet pipe; the top parts of water outlet pipes communicates with the water supply pipe; the bottom part of each water outlet pipe is provided with a spray head; each spray head is in rotatable connection with a water outlet pipe; each water outlet pipe is provided with a first motor which is used for driving a spray head to rotate; each water outlet pipe is provided with a solenoid valve; a water outlet pipe located between a solenoid valve and a spray head is provided with a detection device; each detection device comprises a horizontally-arranged rotating sleeve, a movable rod and a detection rod; each rotating sleeve communicates with a water outlet pipe; one end of each rotating sleeve is rotatably connected with a water outlet pipe; the bottom part of the side wall of the other end of each rotating sleeveis provided with a sewage outlet; and each water outlet pipe is provided with a second motor which is used for driving a rotating sleeve to rotate around a water outlet pipe. The intelligent drip-irrigation system provided by the invention can realize automatic cleaning, solves the problem of blockage of spray heads of the drip-irrigation system, and guarantees normal operation of an irrigation system.

The invention discloses a hillside orchard irrigation remote monitoring method, and belongs to the technical field of agricultural irrigation. The method mainly achieves the technical purpose of remotely controlling automatic hillside orchard irrigation. According to the method, through an NB-IoT communication module, the environment state of a hillside orchard is remotely monitored, and all terminal devices are controlled to work. The invention further discloses a hillside orchard irrigation remote monitoring control system for achieving the method. By means of the method and the system, theirrigation requirements of crops can be fully met, the real-time performance is good, and the increase of the yield of the crops is facilitated.

The invention discloses an eel-toad-rice symbiotic cultivation method, and belongs to the technical field of agricultural compound cultivation. The eel-toad-rice symbiotic cultivation method comprisesthe following steps: selection and arrangement of symbiotic cultivation unit fields; arrangement of a toad escape prevention facility; sowing of rice; preparation of juveniles in advance; stocking ofjuveniles; placing juvenile toads into a rice sowing area and controlling the throwing density of the juvenile toad; feeding; breeding of earthworms; topdressing of rice fields; adjustment of water quality and water level; pest control; and catching-up. Diseases and insect pests on land and air are prevented and controlled, and poisonous and harmful pesticides are avoided; chemical fertilizers are avoided, and soil protection is facilitated; the method is beneficial to guarantee that fertilizer and water do not flow outwards and non-point source pollution can be avoided effectively; the wetland function of the rice fields is well enhanced; emissions of greenhouse gases such as methane are reduced; eels, toads and rice are bred in a symbiosis manner and are beneficial to one another, organic matters such as nitrogen and phosphorus which are generated by the eel and toad can be absorbed by the rice and promote the growth of the rice, and the pollution of the nitrogen and the phosphorusto the water body is reduced; and the purification effect of the rice on the water quality can provide a high-quality growing water environment for the eels.

The invention discloses an agricultural irrigation device. The agricultural irrigation device comprises an agricultural greenhouse, wherein a supporting plate is mounted at the top of an inner cavityof the agricultural greenhouse; a hose is wound on the supporting plate; a rail bracket is fixed at the top of the agricultural greenhouse; electric rolling wheels are mounted at the bottom of the rail bracket; a connecting frame is fixed at the bottom ends of the electric rolling wheels; a hoisting mechanism is fixed at one side of the connecting frame; a supporting plate is arranged at one sideof the hoisting mechanism; the hoisting mechanism is used for controlling the supporting plate to carry out height adjustment; the supporting plate is provided with a distance adjusting mechanism; thesupporting plate is in sliding connection with a plurality of irrigation nozzles; the supporting plate is used for controlling the plurality of irrigation nozzles to carry out distance adjustment through the distance adjusting mechanism; and a main water pipe is arranged at the top of the supporting plate. The agricultural irrigation device disclosed by the invention can be used for accurately irrigating crops in the greenhouse and has the effects of strong applicability, time saving and labor saving and improvement of working efficiency.

The invention discloses an intelligent water and fertilizer integrated system and method based on an automatic driving inspection device. The system comprises an automatic driving inspection device, aplanting area information acquisition system, a water and fertilizer integrated mixed application device and a monitoring background; the automatic driving inspection device is used for collecting crop image samples; the monitoring background acquires growth periods and growth conditions of crops in different regions according to the crop image samples, and environmental information and soil information of the crops, and generates a corresponding water-fertilizer mixed application scheme; and the water and fertilizer integrated mixed application device is used for carrying out water-fertilizer mixed application according to the water-fertilizer mixed application scheme, and carrying out accurate fertilization or irrigation. The yield of the crops can be greatly improved, the energy is saved, unattended operation can be completely realized, the labor force is liberated, and the planting cost is reduced.