402 results about "Water saving irrigation" patented technology

The invention relates to the technical field of agricultural intelligent irrigation, and discloses a meteorological data fused water-saving irrigation control method, device and equipment and a medium. According to the method, a historical meteorological data set is constructed through multi-source meteorological data fusion, a dynamic water demand table is generated in combination with a crop water demand characteristic database, and a crop water demand model is established based on soil moisture content data. A grid irrigation unit division and growth period coupling soil moisture content response matrix construction technology is adopted, a cooperative constraint is established between a water demand threshold value and a water saving benefit through a multi-objective optimization learning algorithm, and a personalized irrigation scheme is generated. A soil moisture content dynamic evaluation matrix containing a dynamic time warping operator is designed, and dynamic matching of the soil layered soil moisture content and a standard template is achieved. The contradiction between meteorological response lag and low water resource utilization rate in traditional irrigation is effectively solved, accurate irrigation decision is realized through multi-dimensional data fusion and an intelligent optimization algorithm, and the water-saving benefit and the agricultural water resource utilization efficiency are improved.

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 planting, in particular to drip irrigation equipment for agricultural water-saving irrigation, and aims to overcome the defects that according to drip irrigation equipment in the prior art, a drip irrigation pipe is damaged and the planting efficiency is affected due to the fact that the drip irrigation pipe is inconvenient to automatically release and wind and is inconvenient to wash. According to the scheme, the device comprises a fixing frame; the number of the moving wheels is four, and the four moving wheels are all installed at the bottom of the fixing frame; the intelligent electromagnetic valve control cabinet and the intelligent water and fertilizer all-in-one machine are fixedly mounted at the top of the fixing frame; the storage barrel is fixedly installed at the top of the fixing frame, a stirring shaft is rotatably installed at the top of the storage barrel, and a plurality of blades are fixedly installed on the stirring shaft. According to the drip irrigation device, a drip irrigation pipe can be conveniently and automatically released and wound, the drip irrigation pipe can be conveniently washed, the situation that the drip irrigation pipe is damaged is avoided, and the planting efficiency is improved.

The invention relates to the technical field of water-saving irrigation, in particular to a drought risk management-based corn planting water-saving irrigation system, which comprises a crop stress state monitoring module for acquiring a corn canopy temperature and an environment temperature and calculating a temperature difference value between the canopy and the environment. According to the method, the actual stress state of the crop is quantified by acquiring the difference value between the corn canopy temperature and the environment temperature in real time, and the crop water stress index which is dynamically calculated is combined, so that the water stress identification precision and the response time efficiency are improved, and the problems of irrigation decision lag and blindness are avoided; further, the real evapotranspiration demand of crops is accurately judged by dynamically monitoring the change rate of latent heat flux, misjudgment possibly caused by single monitoring of temperature difference is avoided, and the irrigation demand judgment accuracy is ensured; meanwhile, the prices, the flows and the available amounts of different water sources are comprehensively optimized, the taking proportion of multiple water sources is configured with the lowest total irrigation cost as the standard, water source economical efficiency optimization becomes possible, and irrigation operation cost and resource consumption are effectively reduced.

The invention belongs to the technical field of sewage treatment and comprehensive utilization of water resources, and particularly relates to a reclaimed water reuse and rainwater collection and utilization system in an expressway service area. A sewage treatment, rainwater collection and water-saving irrigation integrated system is constructed, and the MBR process is emphatically applied to treat sewage. The system can effectively remove various pollutants in the sewage, so that the effluent reaches the reclaimed water reuse standard, and the sewage recycling is realized. Meanwhile, rainwater is efficiently collected and utilized, and the water demand of vegetation is accurately met in combination with an intelligent water-saving irrigation technology. The dependence of the service area on fresh water resources is reduced on the whole, the pollution of sewage discharge to the environment is reduced, the water resource management level is improved, remarkable economic, social and environmental benefits are achieved, and an innovative scheme is provided for sustainable utilization of the water resources in the small service area of the expressway.

The invention discloses a regional farmland water-saving irrigation and conventional irrigation classification and high-precision mapping method based on machine learning. The method comprises the following steps: S1, acquiring climate, geography, crops and remote sensing image information data related to a farmland in a research area; s2, selecting seven indexes including ELE, LS, ET, LAI, CI, DLST and LTH to represent water-saving irrigation (WI) and conventional irrigation (FI), performing binary segmentation by using a threshold method, obtaining classification of WI and FI under each index, and generating WI candidate samples; s3, WI and FI typical pixels are determined, and a training sample library is formed; s4, synthesizing a characteristic wave band as a classifier input characteristic; s5, based on the training sample library and classifier input features, training a classifier through a machine learning algorithm; and S6, applying the classifier to the characteristic wave band in the research area to obtain the classification and classification graph of the farmland WI and FI in the research area.

The utility model relates to a bottom supporting structure for bagging planting of oxtail sweet potatoes, which comprises a seat body used for supporting a long-barrel-shaped ecological bag which is horizontally placed from the bottom, a containing groove is formed in the upper surface of the seat body, and the groove bottom wall of the containing groove is arranged in a slope shape with one end higher than the other end. A plurality of guide grooves extending from one end to the other end are formed in the groove bottom wall of the containing groove, a water outlet is formed in the position, corresponding to the lower end of the groove bottom wall, of the containing groove, and a water-saving irrigation mechanism is arranged at the position, corresponding to the higher end of the groove bottom wall, of the containing groove. The ecological bag has the advantages that the groove bottom of the containing groove is inclined, on one hand, oxtail sweet potato tubers can spontaneously grow downwards along the slope under the action of gravity during growth, and the bottom side wall of the ecological bag is in contact with the groove bottom of the inclined containing groove and is straight in the slope direction, so that the straight-strip-shaped oxtail sweet potato tubers with good conditions can grow in the bag; on the other hand, the guide groove at the bottom of the groove can quickly drain water and effectively prevent waterlogging; and meanwhile, the guide groove filled with the fine sand is also beneficial to the realization of water-saving drip irrigation.

The invention relates to the technical field of intelligent agriculture, in particular to an intelligent water-saving irrigation system for intelligent agriculture, which comprises a multi-source heterogeneous sensing module for collecting farmland soil data, crop physiological data, meteorological environment data and irrigation equipment operation state data; the AI dynamic decision-making module constructs a TFT time sequence prediction model, calculates the real-time water demand and the ecological adaptation coefficient of crops by combining a crop physiological coupling algorithm, and dynamically generates a personalized irrigation scheme; the self-adaptive regulation and control module is used for implementing a personalized irrigation scheme and carrying out water, fertilizer and pesticide integrated precise putting and multi-water-source dynamic scheduling through a magnetic control driving mode and a flow closed-loop control algorithm; the irrigation effect feedback module verifies the execution effect of the personalized irrigation scheme in real time, and dynamically executes a feedback optimization action in combination with a preset deviation threshold value; and the block chain data security module performs encrypted storage and access traceability on the irrigation whole process data. Therefore, the problems of insufficient prediction accuracy, insufficient water, fertilizer and pesticide feeding precision and the like in the prior art are solved.

The invention particularly relates to a water-saving irrigation system for intelligent agricultural vegetable seedling raising, and relates to the technical field of intelligent agriculture. And a decision and processing module. According to the method, multi-dimensional data perception and intelligent decision are adopted, so that the core contradiction that disease prevention needs drying and seedling strengthening needs stress in traditional seedling culture is solved; through a non-contact infrared leaf temperature sensor, a miniature resistance-type leaf surface humidity-sensitive sensor and the like, key data such as leaf temperature and leaf surface humidity state are accurately collected, a leaf surface humidity prediction model is constructed, a disease risk window is divided in advance, and propagation of diseases such as downy mildew and gray mold is blocked from the source; the stress intensity is controlled through the wilting coefficient, so that the seedlings are prevented from withering due to excessive stress, and moderate drought is ensured to stimulate root growth.

The utility model discloses a water conservancy water-saving irrigation device which comprises a main body module. The main body module comprises two symmetrically-arranged water conveying pipes, a plurality of extension pipes installed on one sides of the water conveying pipes in an array mode and communicated with inner cavities of the water conveying pipes, fixing rods fixed to the bottom ends of the water conveying pipes in an array mode, supports fixed to the water conveying pipes on one side in an array mode, a base fixed to the water conveying pipes on the other side, and a movable cylinder arranged on one side of the base. One end of the sunshade cloth is wound on the reel, the other end of the sunshade cloth extends out of the movable cylinder and is fixedly connected with the base, the water conveying pipe is communicated with the pump machine, irrigation water can be conveniently conveyed into the water conveying pipe by the pump machine, the extension pipe is communicated with the water conveying pipe, a plurality of micropores are formed in the end of the extension pipe in an array mode, and the micropores face upwards. The water conservancy water-saving irrigation device has the advantages of being good in irrigation effect and high in practicability.

The invention discloses an agricultural water-saving irrigation device, and relates to the technical field of water-saving irrigation, the agricultural water-saving irrigation device comprises a rain storage assembly, a drip irrigation assembly and a pesticide conveying assembly, the drip irrigation assembly drips irrigation water into a crop field, and the pesticide drips into the crop field when the irrigation water passes through the pesticide conveying assembly. According to the agricultural water-saving irrigation device, when irrigation water flows through the water supply pipe, the water can drive the turbine to rotate, meanwhile, the pesticide supplementing wheel is made to rotate, when the surface, attached to pesticide, of the pesticide supplementing wheel is rotated into the drip irrigation pipeline, the irrigation water flowing through the drip irrigation pipeline can wash away the pesticide on the surface of the pesticide supplementing wheel, and then the water flowing into the drip irrigation pipeline is mixed with the pesticide; pesticide can be supplied according to needs, the situation that the pesticide is deposited in the pool is avoided, the situation that crops grow unevenly due to non-uniform pesticide application can be prevented, and irrigation water mixed with the pesticide flows in the drip irrigation pipeline and is dripped to the root system portions of the crops from all drip irrigation heads in a drip irrigation mode.

The invention discloses a balance-double-rotation-field spray gun, and belongs to the technical field of agricultural water-saving irrigation. The spray gun comprises an outer barrel, a central water supply pipe, a driving rotating shaft, a planetary reducing mechanism, a high-speed backflushing driving arm and a low-speed spraying arm. A fixed inner gear ring is arranged in the outer cylinder body; the central water supply pipe is axially arranged; the driving rotating shaft is rotatably arranged outside the central water supply pipe in a sleeving manner; the input end of the planetary reduction mechanism is in driving connection with the lower end of the driving rotating shaft; the high-speed backflushing driving arm is fixed at the upper end of the driving rotating shaft, is internally provided with a first water distribution cavity communicated with the central water supply pipe, and is provided with at least one pair of driving nozzles capable of spraying reversely; and the low-speed spraying arm is rotatably mounted at the upper end of the central water supply pipe and is in driving connection with the output end of the planetary reducing mechanism. During working, the driving nozzle sprays water flow to generate counter-acting force, the high-speed backflushing driving arm and the driving rotating shaft are driven to rotate at a high speed, and the rotation drives the low-speed spraying arm to rotate at a low speed after being subjected to speed reduction and torque increase through the planetary speed reduction mechanism, so that a differential synergistic double-rotation irrigation field is formed. Unification of long range, high uniformity, self-driving, excellent atomization, high sealing, strong stability and moderate flow is realized.

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 relates to the field of garden irrigation equipment, in particular to a water-saving irrigation device for landscaping maintenance, which comprises a driving box, a multidirectional irrigation assembly and a rainwater collecting assembly, the multidirectional irrigation assembly comprises an irrigation angle driving mechanism, two groups of irrigation driven mechanisms and a water feeding mechanism; the system further comprises a main control system and a soil humidity monitoring module. Soil humidity is monitored in real time through the soil humidity monitoring module, precise control over the irrigation amount is achieved, and waste of water resources is avoided; rainwater can be collected and filtered through a collecting barrel, the rainwater can be recycled, and the landscaping maintenance cost is reduced; through the wireless communication module, a user can check the running state of the irrigation device in real time through the remote control terminal, and the management efficiency is improved; and through the use of the dustproof spray head, the spray holes in the spray head body are protected when the spray head is not used, and the situation that the spraying effect is affected due to blockage is avoided.

The invention discloses a water-saving irrigation device and method with a rainwater collection function, and relates to the technical field of garden irrigation, four corners of the water-saving irrigation device are provided with a bearing vehicle body with moving wheels and a water storage tank, the top of the bearing vehicle body is fixedly provided with the water storage tank for storing rainwater, and the upper portion of the bearing vehicle body is further provided with an irrigation assembly connected with the water storage tank and used for irrigation; a switching assembly used for switching irrigation modes is arranged below the irrigation assembly, a rainwater collecting assembly used for collecting rainwater is further arranged on the water storage tank, and an L-shaped cleaning sliding block which is driven by a driving assembly and used for cleaning leaves is slidably connected into the rainwater collecting assembly. Flexible selection of irrigation modes is achieved, a user can rapidly switch a spray irrigation mode or a drip irrigation mode according to water demand characteristics and soil conditions of different crops, spray irrigation is suitable for large-area uniform irrigation, drip irrigation can accurately supply water, waste of water resources is reduced, and the irrigation efficiency is improved.

The utility model relates to a continuous automatic backwashing screen filter in front of a multi-silt water source submersible pump, and belongs to the technical field of farmland water-saving irrigation equipment. Comprising a cylindrical shell, the cylindrical shell is provided with a plurality of groups of filter holes and a cylindrical filter screen, and the cylindrical filter screen is connected with an upper connecting disc and a lower connecting disc; a submersible pump water inlet shell of the submersible pump is connected with the upper connecting disc, the cleaning mechanism comprises a hollow rotator, and the side wall of the hollow rotator is connected with a water guide pipe; the other end of the water guide pipe is connected with a water spraying pipe which is provided with a plurality of fan-shaped sprayers. The filtering holes in the cylindrical shell are used for filtering large impurities, and the cylindrical filtering net is used for filtering tiny impurities, so that double-layer filtering is realized, and the filtering effect is improved; the cleaning mechanism is used for backwashing by using high-pressure water flow to continuously remove impurities on the filter screen, so that blockage is avoided, and the filtering effect is ensured; manual intervention is not needed, maintenance workload is reduced, and efficiency is improved.

The utility model relates to the technical field of irrigation devices, in particular to a rainwater collecting and recycling water-saving irrigation device. The device comprises a rainwater collecting assembly, a sundry removing assembly is arranged on the rainwater collecting assembly, a planting assembly is arranged at the top of the rainwater collecting assembly, and an irrigation assembly is arranged on the planting assembly. When irrigation is needed in sunny weather, the system can automatically and uniformly irrigate collected rainwater through the irrigation assembly only by starting the electric pump, tedious manual operation is not needed, labor cost is saved, meanwhile, timeliness and accuracy of irrigation are guaranteed, and healthy growth of plants is facilitated. According to the water-saving irrigation device, rainwater is collected in rainy days through the rainwater collecting assembly and stored for follow-up plant irrigation, dependence on traditional water resources is greatly reduced, the utilization efficiency of the water resources is improved, the purpose of water-saving irrigation is achieved, and the problem of water resource shortage is solved.

The water-saving irrigation device comprises a liquid storage tank, a power pump, an irrigation assembly and a humidity sensor, the power pump is arranged on the liquid storage tank, the power pump is configured to pump irrigation liquid in the liquid storage tank, and a supporting piece of the irrigation assembly is arranged on the periphery of the liquid storage tank; a liquid spraying piece of the irrigation assembly is movably connected to a supporting piece and connected with a power pump, the liquid spraying piece can rotate around a to-be-irrigated plant relative to the supporting piece so as to irrigate the to-be-irrigated plant, a humidity sensor is arranged on the supporting piece and electrically connected with the power pump, and the humidity sensor is used for detecting the humidity condition of soil of the to-be-irrigated plant. The power pump is configured to control the liquid spraying condition of the liquid spraying part according to the humidity condition. According to the water-saving irrigation device, the quantitative irrigation water amount can be adjusted according to the humidity condition of the soil of the to-be-irrigated plant, so that the water-saving effect is achieved, and in the irrigation process, the liquid spraying piece rotates around the to-be-irrigated plant, and the uniformity of irrigation around the to-be-irrigated plant is achieved.

The utility model relates to the technical field of ecological irrigation nozzles, in particular to a flow-adjustable ecological water-saving irrigation nozzle, which comprises a nozzle, a pipe joint connected below the nozzle, a booster water pump connected to the lower end of the pipe joint, a water supply pipe connected to the lower end of the booster water pump, and a filter screen and a flow control valve arranged on the pipe joint. A base plate is arranged on the outer wall of the spray head, a controller is arranged on the base plate, a refraction cone is arranged above the spray head, a supporting frame body is arranged on the base plate, a mounting seat strip is arranged on the supporting frame body, a locking clamping groove is formed in the mounting seat strip, a reinforcing frame body is arranged on the refraction cone, a mounting frame is arranged on the reinforcing frame body, a locking screw pin is arranged on the mounting frame, and a holding rotating handle is arranged on the locking screw pin. The flow adjustability of the ecological irrigation spray head is greatly improved on the whole, the situation that part of water flow penetrates through a damaged hole in the refraction cone, the scattering irrigation effect cannot be achieved, and water resources are wasted is avoided, and then the water saving performance of ecological irrigation is improved.

The invention relates to the technical field of agricultural irrigation, in particular to a water-saving irrigation device capable of supplying water to a root system directionally, which realizes directional water supply to the root system according to the growth rule of crops and the change of the depth reached by irrigation water in different periods along with the growth of the root system by arranging a unit growing along with the root. Compared with drip irrigation of only earth surface irrigation in the prior art, the water obtaining efficiency of the root system is remarkably improved, stable growth of crops is further guaranteed, meanwhile, loosening or part aging monitoring can be conducted on the irrigation vertical pipes buried underground in cooperation with the arrangement of the sensing strips, and after loosening or part aging occurs at the connecting joint of the two irrigation vertical pipes, the irrigation vertical pipes can be prevented from being damaged. When the device is loosened, the protection effect of the sensing strip on the inner side of the corresponding position becomes poor under the pressing effect of external soil, at the moment, certain bending occurs, the laser path of the laser device is shielded, then the loosening condition is found in time, and workers can conveniently conduct maintenance in time and maintain normal irrigation on crops.

The invention relates to the technical field of intelligent agriculture, in particular to an intelligent agricultural water-saving irrigation control system based on a wireless sensor network, which comprises the steps of acquiring crop information, judging an irrigation regulation and control stage, marking land parcels, reading marks, extracting serial numbers of associated acquisition points to divide data transmission priorities, humidity measurement values of different depths are extracted based on the priority list and compared with a crop root layer demand threshold value to identify a water layer needing to be supplemented, root layer types are distinguished according to the soil layer depth, intervals or continuous irrigation periods are set, and the water supply rhythm is arranged; water supply arrangement is read, and instruction contents such as plot numbers, starting and ending time and water supply depth are generated and combined into tasks capable of being continuously called. By monitoring the crop growth and the soil humidity in real time, the irrigation strategy can be accurately judged and dynamically adjusted to meet the water requirement of each stage, the crop root depth and the soil humidity are accurately matched, the irrigation periods of deep and shallow soil layers are optimized, and a flexible scheme is provided to improve the water resource utilization efficiency.

The invention relates to the technical field of monitoring and adjusting, and particularly discloses a water-saving irrigation system, method and equipment based on concealed pipe drainage. The system comprises a farmland irrigation water quality reference evaluation value comparison module, a farmland irrigation water quality compensation evaluation value comparison module, a farmland irrigation water quality real-time monitoring module, a farmland irrigation water quality compensation scheme comparison module and a farmland water-saving adjustment module, the problems that the prior art bureau is limited to directly monitor the water quality discharged from each water seepage underground pipe water outlet to a water well, and the influence of the use state of each water seepage underground pipe on water quality monitoring and water saving is neglected are solved; the influence of the amount of water, which is monitored by a flow meter and flows out of a water outlet of each water seepage concealed pipe to a water well, on the adjustment of unqualified farmland irrigation water quality and water saving is not considered, so that better irrigation management service can be provided for the farmland, and the unqualified water quality can be adjusted in a targeted manner; and the water-saving regulation and management level of farmland irrigation water quality is improved.

The invention relates to the technical field of intelligent agriculture and water-saving irrigation equipment, and discloses a dynamic optimization and intelligent regulation and control system and method for a drip irrigation pipe for intelligent agriculture, and the system comprises a dynamic pipe optimization unit, a multi-source sensing monitoring module, and an intelligent regulation and control execution module. Through cooperation of a PID algorithm of the central control module and a fuzzy PID strategy, when the pressure deviation is larger than 0.05 MPa, Kp is increased for quick response, when the pressure deviation is smaller than or equal to 0.05 MPa, Ki is increased for stable pressure, dripper flow uniformity compensation is matched, and the dripper flow deviation is smaller than or equal to 5%; in an extreme weather emergency level, the irrigation interval is shortened, the flow speed is reduced and evaporation is reduced at high temperature and strong wind, heat tracing and heat preservation are performed at low temperature, pipes are thickened to prevent icing, irrigation is delayed and pressure is reduced when rainfall is predicted to be larger than 20 mm, and soil is prevented from being too wet; and meanwhile, unmanned aerial vehicle inspection is integrated, regional valves are automatically closed and the flow is adjusted when faults occur, and the overall uniformity is guaranteed. Finally, the water resource utilization rate is increased by 20%-25%, the crop yield is increased by 10%-15%, and the energy consumption per unit area is reduced by 30%.

The invention belongs to the technical field of agricultural irrigation and weather forecast, and discloses a water-saving irrigation weather forecast system based on intelligent forecast data, which comprises a weather monitoring forecast subsystem, a soil moisture content monitoring subsystem and a water-saving irrigation weather forecast subsystem, the meteorological monitoring and forecasting subsystem is used for providing meteorological real-time data, weather forecast data of the next ten days and meteorological disaster early warning information, the soil moisture content monitoring subsystem is used for providing a refined grid point distribution diagram of the soil moisture content, and the water-saving irrigation meteorological forecasting subsystem is used for utilizing the monitoring data and combining a crop suitable irrigation index and a planned wetting layer depth index. And making a water-saving irrigation weather forecast. By integrating the meteorological monitoring and forecasting subsystem, the soil moisture content monitoring subsystem, the water-saving irrigation meteorological forecasting subsystem and the like, precise guidance on farmland irrigation is achieved, and the system has the advantages of being accurate in data, precise in forecasting, easy and convenient to operate and the like and can provide powerful technical support and decision basis for farmland irrigation.

The invention discloses a precise farmland irrigation system based on a block chain, and relates to the technical field of block chain technologies and water-saving irrigation systems. The system comprises a plurality of data acquisition sensors, a watering device, an Internet of Things gateway, a cloud computing platform and a mobile terminal device. The data acquisition sensor is used for monitoring environmental parameters and crop growth conditions in real time; the watering device automatically adjusts the irrigation amount according to data feedback; the Internet of Things gateway is used for data transmission, and the cloud computing platform is responsible for farmland data processing and analysis; a mobile application program is installed in the mobile terminal device, and irrigation state monitoring and auxiliary management decision making are provided for a user in real time. The system architecture takes a block chain as a bottom layer, all parties reach a consensus in advance, and intelligent provisions are automatically started when specified requirements are met. The system can realize accurate control of farmland irrigation, effectively save water resources, and ensure the safety and consistency of agricultural data sharing.

The invention relates to the technical field of wheat irrigation, and discloses a wheat water-saving irrigation and nutrient synchronous management method which comprises the following steps: step 1, a monitoring module acquires data regularly; 2, judging whether irrigation is needed or not, and if the threshold value is exceeded, waiting; 3, synchronizing meteorological data, determining irrigation or waiting and determining fertilization time according to rainfall conditions; 4, applying fertilizer to the unmanned aerial vehicle 2 hours before rainfall; 5, collecting filtered rainwater during rainfall, and taking part of soluble fertilizer after the rainwater reaches the standard; 6, sprinkling irrigation is carried out when no rainfall exists after fertilization, and water is pumped for supplement when rainwater is insufficient. Through dynamic linkage of weather forecast and an irrigation plan, irrigation is stopped before rainfall, natural rainfall is preferentially utilized, the rainwater collection and storage technology is matched, the manual irrigation water consumption can be reduced by 60% or above, meanwhile, a clear water storage threshold value and a water pumping and supplementing mechanism are arranged, rainwater waste and excessive water pumping are avoided, and the irrigation efficiency is improved. The closed-loop management of precipitation-storage-reuse is realized, and the pressure of agricultural water is effectively relieved.

The utility model relates to the technical field of hydraulic engineering, and discloses a water-saving irrigation assembly for hydraulic engineering, which comprises a cart, the upper part of the cart is fixedly connected with a fixing frame, the interior of the fixing frame is fixedly connected with a motor, the interior of the fixing frame is fixedly connected with a fixing seat, and the exterior of the fixing seat is fixedly connected with a fixing frame. The output end of the motor is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is fixedly connected with one end of a movable rod, the other end of the movable rod is fixedly connected with a positioning rod, the positioning rod is slidably connected into a positioning frame, and the right portion of the positioning frame is fixedly connected with a positioning block. According to the utility model, the angle of the spray head can be conveniently adjusted, the distribution of water flow can be adjusted according to the crop layout and topographic characteristics, the irrigation is more uniform, the filter plate can be conveniently assembled and disassembled, the filter plate can be conveniently cleaned or replaced, and the filtering effect is ensured.

The utility model relates to the technical field of water-saving irrigation, and discloses a park water-saving irrigation device which comprises a water tank, an insertion pipe is fixedly arranged at the bottom of the water tank, a connecting box is fixedly arranged at the bottom of the insertion pipe, a control module is arranged in the connecting box, and a servo motor is fixedly arranged on one side of the control module. Ground inserting rods are fixedly arranged at the bottom of the connecting box, and a protective cover is arranged at the top of the water tank. According to the spraying device, through mutual cooperation of the servo motor, the threaded rod and the moving cylinder, the multiple spraying pipes and the spraying heads can move up and down in the protective cover, the height of the spraying pipes and the height of the spraying heads can be adjusted, and therefore plants of different heights can be irrigated; according to the irrigation device, the spray pipe can be stored in the protective cover, so that the spray head is protected, the spray head is prevented from being exposed outside for a long time and blocked by dust, the service life of the spray head is prolonged, and the applicability of the irrigation device is improved.

The invention discloses a water-saving irrigation and fertilization device for intelligent agricultural planting, and relates to the field of agricultural irrigation, the water-saving irrigation and fertilization device comprises a water storage tank, and also comprises a water spray pipe for spraying water in the water storage tank for irrigation; the water outlet cleaning mechanism is used for cleaning the outer wall of the water spraying pipe, and the water outlet cleaning mechanism is located on the outer wall of the water spraying pipe; according to the water-saving irrigation and fertilization device for intelligent agricultural planting, through the effect of a water outlet cleaning mechanism, when a water spraying pipe rotates, water spraying holes in the outer wall of the water spraying pipe make friction contact with a friction roller, the friction roller is driven to rotate according to the effect of friction force, and friction abrasive paper arranged on the outer wall of the friction roller increases the friction force between the friction abrasive paper and the water spraying holes; dust and impurities attached to the outer wall of the water spraying hole during water spraying can be efficiently removed through friction, the smoothness of the water spraying hole is improved, it is guaranteed that irrigation water can be evenly and stably sprayed out, and the irrigation quality is improved.

The utility model discloses a water-saving irrigation system capable of switching between manual operation and automatic operation, which comprises a water and fertilizer device, a drip irrigation device and a sprinkling irrigation device, the water and fertilizer device is respectively communicated with the drip irrigation device and the sprinkling irrigation device through pipelines, the drip irrigation device and the sprinkling irrigation device are arranged at intervals, and a detector is arranged in the drip irrigation device. The drip irrigation device and the sprinkling irrigation device can be manually adjusted according to crop planting requirements, and the utilization rate of the water-saving irrigation system is remarkably improved; and the drip irrigation device is manually adjusted to realize accurate block drip irrigation, so that the waste of water resources caused by unnecessary irrigation in some areas is avoided.