413 results about "Irrigation efficiency" patented technology

The invention discloses a unit area irrigation water consumption estimation method and system based on multi-source data fusion, and relates to the field of irrigation water consumption estimation. Multi-source heterogeneous data such as remote sensing images, meteorological data, soil humidity and crop growth information are fused, and observation and model errors are reduced through data assimilation; estimating crop evapotranspiration under an energy balance principle; estimating daily-scale irrigation water consumption by adopting a water balance method; a crop actual irrigation area identification model based on deep learning is introduced, actual irrigation areas of different crop types are effectively distinguished, and the influence of temporal and spatial changes on irrigation efficiency is dynamically reflected. According to the method, high-precision and rapid estimation of the comprehensive unit area irrigation water consumption of a single crop and multiple crops on different regional scales can be realized, the timeliness and accuracy of irrigation water quota evaluation are remarkably improved, and the method has strong adaptability to climate change, soil difference and crop diversity and is suitable for popularization and application. Powerful technical support is provided for precise irrigation and intelligent water conservancy management.

The invention belongs to the technical field of agriculture, particularly relates to a cranberry water demand dynamic sensing system and a method thereof, and aims to solve the problems that an existing traditional irrigation method is often based on a fixed time table or simple soil humidity measurement, the actual water demand condition of cranberries cannot be timely and accurately reflected, and insufficient irrigation or excessive irrigation is easily caused. In order to solve the problems that in the prior art, water resources are wasted, and the growth and yield of cranberries are possibly influenced, the invention provides the following scheme: the system comprises a monitoring module, a control module and a display module, wherein the monitoring module comprises stem flow rate, leaf water potential, soil water content at different depths and positions, air temperature and humidity, illumination intensity and wind speed data; according to the cranberry water demand monitoring system, accurate monitoring, real-time evaluation and scientific prediction of the cranberry water demand condition can be achieved, then a reasonable irrigation decision and environment regulation and control are guided, and the irrigation efficiency and the water resource utilization efficiency are improved.

The invention provides an agricultural irrigation control method, system and device driven by an AI large model, and a medium, and belongs to the technical field of agricultural irrigation control, and the method comprises the steps: building an irrigation knowledge base and an irrigation decision set for a target crop based on the AI large model; constructing a target crop parameter set and a water demand prediction model, and training the water demand prediction model by using the target crop parameter set in combination with the irrigation knowledge base; target crop parameters collected in real time are input into the trained water demand prediction model, and target crop water demand prediction is carried out; and screening out an irrigation strategy from the irrigation knowledge base and the irrigation decision set according to the predicted value of the water demand of the target crop, and controlling the irrigation equipment based on the irrigation strategy. Through the combination of the AI large model and the deep learning model, the water demand of the crops is accurately predicted, the irrigation strategy is generated, the irrigation decision accuracy is improved, the waste of water resources is reduced, and the irrigation efficiency is improved.

The invention discloses a cotton irrigation decision-making system based on agricultural knowledge guidance and reinforcement learning. The method comprises the following steps: collecting data such as weather, soil and yield, and establishing a standardized agricultural database; a yield prediction model fusing the crop mechanism and deep learning is constructed, and yield responses of different irrigation states are evaluated; and integrating the prediction model with a crop simulation system DSSAT, constructing a simulation environment, optimizing an irrigation strategy in an iteration process by adopting a reinforcement learning algorithm, and realizing a dynamic decision by taking yield gain and water consumption as objective functions. The innovation point is that a knowledge-guided yield prediction network structure is provided, and the prediction precision and the model interpretability are improved; and a reinforcement learning mechanism based on a reward function is designed to realize joint optimization of yield and water saving. The method has the advantages that the problems that traditional irrigation depends on experience, decision lags and adaptability lacks are solved, the irrigation efficiency and the water resource utilization rate are effectively improved, and an intelligent, efficient and water-saving irrigation scheme is provided for cotton planting.

The invention relates to the technical field of landscaping, in particular to a landscaping intelligent irrigation system and a control method thereof.The landscaping intelligent irrigation system comprises a sensor module, a control module and an execution module, the sensor module comprises a soil humidity sensor and a meteorological sensor, and the control module comprises a microprocessor; the microprocessor is in communication connection with the soil humidity sensor and the meteorological sensor, the execution module comprises an electromagnetic valve group for controlling the on-off of an irrigation pipeline in a partitioned manner, an electromagnetic valve is electrically connected with the microprocessor, a spray head is mounted on the pipeline, and the microprocessor is in communication connection with a cloud platform which can be remotely controlled by a user through a mobile phone APP or a Web end. The irrigation system has the technical effects that the problem of resource waste of a traditional irrigation system can be solved, and the irrigation efficiency is improved.

The invention discloses an intelligent drip irrigation control system based on soil moisture content real-time monitoring, and relates to the technical field of agricultural irrigation, and the system comprises a soil moisture content environment collection module which collects and transmits soil moisture and environment parameters through a sensor; the soil moisture content analysis module receives the data, constructs a matrix analysis rule, excavates relevance and predicts an irrigation leakage risk; the irrigation strategy making module generates a comprehensive decision instruction accordingly; the irrigation parameter adjustment module optimizes the parameters to form a control instruction; the irrigation execution feedback module drives the equipment to work and feeds back a result after completion; according to the integrated sensor, real-time accurate monitoring of soil moisture and environmental parameters is achieved, a soil moisture content spatial-temporal distribution matrix is constructed, relevance and rules are mined in combination with an algorithm, differential irrigation instructions are generated, irrigation efficiency is improved, and crop yield and quality improvement is promoted; meanwhile, a dynamic optimization algorithm is introduced to calibrate parameters, and waste and pollution are avoided and the risk of crop damage is reduced through quick response and collaborative irrigation of a leakage irrigation compensation strategy.

The invention discloses a precise irrigation decision-making method based on soil-crop-environment information, and relates to the technical field of agricultural irrigation, and the method comprises the following steps: calculating the irrigation quota accommodated by a planned wetting layer, calculating the accumulated water consumption of crops, and deciding the irrigation date; according to the method, multi-source information, dynamic threshold optimization and an intelligent feedback mechanism are deeply fused, the planned wetting layer depth is dynamically adjusted according to crop root system distribution to change the irrigation quota, the actual water consumption of crops is calculated through crop-environment data, future weather forecast is considered, and the irrigation efficiency is improved. Soil moisture deep seepage and nitrate nitrogen leaching loss caused by rainfall after irrigation can be effectively avoided, the crop yield and the water and fertilizer utilization efficiency are remarkably improved, and meanwhile a dynamic irrigation system capable of changing according to the environment and crop requirements is formulated by fully considering soil characteristics, crop water consumption characteristics and environment information. The crop yield and the water productivity can be obviously improved.

The invention relates to the field of agricultural irrigation and soil remediation, and discloses an enhanced nanobubble water treatment system for saline-alkali soil improvement, comprising: a mixed water tank, the mixed water tank defines a water containing cavity, the water containing cavity communicates with an inlet and an outlet, the inlet is suitable for receiving irrigation water, and the outlet is suitable for being connected to an irrigation system; the activating agent adding device is arranged at the inlet and is suitable for adding an activating agent to the inlet, so that the activating agent and the irrigation water are mixed and then guided into the water containing cavity; the circulating water path is provided with a nano bubble generating device, and the nano bubble generating device is suitable for continuously generating nano bubble water under the assistance of an activating agent under the condition that the circulating water path performs circulating treatment on the water body in the water containing cavity; wherein the activated nano bubble water which is detected to reach the standard by the on-line detection device is introduced into a farmland through the irrigation system for irrigation, so that the leaching effect on salt and the watering, fertilizing and irrigation efficiency are greatly improved.

The invention relates to the technical field of water demand prediction, in particular to a crop water demand prediction method and system based on the agricultural Internet of Things, and is applied to accurate moisture management in complex soil structures such as terraces. And in combination with the dynamic weight of interlayer moisture migration, the moisture absorption matrix is updated in real time. Through time sequence sliding and cosine similarity calculation, a moisture retention time matrix is dynamically corrected, and accurate distribution of soil moisture is ensured. A graph theory algorithm is introduced to construct a directed graph model of a water flow path, an interference matrix is generated in combination with binary masks, matching of water absorption and water retention time is optimized, and the irrigation efficiency and the water resource utilization rate are improved. The irrigation strategy can be dynamically adjusted according to the moisture state between the soil layers, moisture waste is avoided, and the accuracy of crop growth moisture supply is improved.

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 invention relates to the technical field of data processing, in particular to a multi-water-source joint scheduling efficient water conservancy irrigation method, which comprises the following steps: constructing a water source farmland initial supply and demand directed graph according to water source farmland geographical distribution information data; according to the water resource information data, obtaining an irrigation intensity parameter of each water source node in the water source farmland initial supply and demand directed graph; obtaining a demand intensity parameter of each farmland node in the water source farmland initial supply and demand directed graph according to the farmland state information data; obtaining an irrigation coefficient of a corresponding edge between the water source node and the farmland node according to an irrigation intensity parameter of the water source node and a demand intensity parameter of the farmland in the water source farmland initial supply and demand directed graph; adjusting water source nodes and farmland nodes in the water source farmland initial supply and demand directed graph based on the irrigation coefficient to obtain a water source farmland target supply and demand directed graph; and scheduling the water source and the farmland according to the water source and farmland target supply and demand directed graph. The irrigation efficiency of multi-water-source joint scheduling is improved.

The invention discloses an irrigation area multi-crop growth stage precise irrigation method based on deep learning, and relates to the technical field of agricultural intelligent irrigation, and the method comprises the following steps: pre-constructing a data collection system, and through a distributed sensor network, a multispectral image collection module and a data preprocessing unit, carrying out multi-crop growth stage precise irrigation; acquiring irrigation area soil information, meteorological data and multi-crop growth indexes in real time, and generating a standardized data set; and constructing a multiple-input-multiple-output LSTM model fused with the space-time attention mechanism. The deep learning model and the crop water demand mechanism are fused, the space-time attention mechanism is combined to accurately capture the water demand difference of different crops at different growth stages, the adaptation limitation of a traditional system on complex terrains and extreme environments is broken through through the terrain correction and special scene adaptation algorithm, the irrigation scheme better meets the actual demand, and the irrigation efficiency is improved. And in cooperation with a priority scheduling and fault quick response mechanism, the irrigation instruction is ensured to efficiently fall into the ground, and the automation and collaboration level of irrigation area management is integrally improved.

The utility model relates to the technical field of irrigation and water conservancy engineering, in particular to an efficient rural farmland irrigation device which comprises a main body mechanism, an irrigation mechanism and an adjusting mechanism, the irrigation mechanism is installed at the top of the main body mechanism, the adjusting mechanism is installed at the top of the irrigation mechanism, and the main body mechanism comprises a bottom plate. The irrigation mechanism comprises a water tank, the water tank is fixedly connected to the upper surface of the bottom plate, the adjusting mechanism comprises a supporting pipe, the supporting pipe is fixedly connected to the upper surface of the water tank, the top of the supporting pipe is rotationally connected with a sleeve through a turntable bearing, and the outer side wall of the sleeve is fixedly connected with a first driven gear; in the using process, the height and the angle of the spray head are comprehensively adjusted through the adjusting mechanism, so that the spraying irrigation area of the spray head is enlarged, the position of the device does not need to be frequently adjusted, the labor intensity of workers is reduced, and the spraying irrigation efficiency is improved.

The utility model provides a water and fertilizer drip irrigation device for close planting of corn, and relates to the field of agricultural irrigation. Penetrating pipe holes are formed in the two ends of the water and fertilizer tank respectively; a bearing plate is fixedly mounted at the opening part of the upper end of the water and fertilizer tank. The water droppers are respectively inserted above the corresponding corn roots, so that water and fertilizer in the water and fertilizer tank are dripped to the corresponding corn roots through the water droppers, the water and fertilizer permeate to the corn roots, accurate supply and efficient utilization of the water and fertilizer are achieved, waste of water and nutrients is reduced to the maximum extent, and compared with a traditional irrigation mode, the water and fertilizer irrigation device has the advantages that the water and fertilizer irrigation efficiency is improved. According to the drip irrigation device, the utilization rate of water and fertilizer can be increased by more than 30%, water resources and fertilizer are effectively saved, and the problems that fertilization and watering are needed when corns are densely planted, so that water and fertilizer need to be drip-irrigated above the roots of the corns, otherwise, the water and fertilizer cannot permeate into the roots of the corns, and the yield and quality of the corns are affected are solved.

The utility model relates to the technical field of irrigation devices, and discloses an automatic vegetation irrigation and maintenance device which comprises an irrigation box and a moving trolley, a water inlet hole is formed in the top of the left end of the irrigation box, a water outlet hole is formed in the bottom of the left end of the irrigation box, and water valves are fixedly connected to the inner wall of the water inlet hole and the inner wall of the water outlet hole. An air pump is fixedly connected to the right end of the inner wall of the irrigation box, two one-way valves are fixedly connected to the right side of the irrigation box, a quantitative plate is slidably connected to the middle of the inner wall of the irrigation box, a quantitative adjusting column is in threaded connection to the right side of the irrigation box, and a handle is fixedly connected to the right end of the quantitative adjusting column. According to the utility model, the water quantity is quantitatively adjusted by rotating the handle and matching with the observation window and the scale lines, and the quantitative plate touches the pressure sensor after water is fed, so that the water pump is used for irrigating vegetation, the waste of water sources is avoided, the cost is reduced, and the irrigation efficiency is improved.

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 chrysanthemum planting, and discloses an efficient sprinkling irrigation device for chrysanthemum planting, which comprises a liquid pipe, the inner wall of the liquid pipe is communicated with a plurality of sleeves, the outer wall of each sleeve is fixedly connected with a fixing ring, the inner wall of each sleeve is slidably connected with a sliding pipe, and the inner wall of each sleeve is fixedly connected with a second fixing plate close to the edge. A first top plate is fixedly connected to the top end of the sliding pipe, a plurality of spraying holes are formed in the inner wall of the sliding pipe, a plurality of fixing rods are fixedly connected to the position, close to the edge, of the top of the fixing ring, a second top plate is fixedly connected to the tops of the fixing rods, and a guide rod is fixedly connected to the top of the second fixing plate. The bottom of the second top plate is fixedly connected with a telescopic sleeve. According to the device, the water pump is started to pump liquid into the liquid pipe, the first top plate is pushed by the compressed spring, then the sliding pipe is pushed to reset, the purpose of adjusting the sprinkling irrigation height is achieved, and the sprinkling irrigation efficiency and the planting efficiency are improved.

The utility model belongs to the technical field of vegetable irrigation, and particularly relates to a hidden vegetable irrigation mechanism which comprises an embedded shell, a plurality of through grooves are formed in the two sides of the embedded shell, irrigation pipeline sets are installed on the two sides of the embedded shell, a plurality of drip irrigation pipes are arranged on one sides of the irrigation pipeline sets, and the drip irrigation pipes are arranged on the other sides of the irrigation pipeline sets. One end of the irrigation pipeline set is connected with a connecting pipeline, one end of the drip irrigation pipe is provided with a valve, a plurality of connecting grooves are formed in the two sides of the irrigation pipeline set, inner cavities of the connecting grooves are detachably connected with sealing plugs, and the sealing plugs are detachably connected with cleaning rods; an irrigation pipeline and the like can be hidden and buried in the soil, redundant water is discharged in time when the irrigation water amount is large, vegetable rhizomes are prevented from being flushed out, the blockage condition of the irrigation pipeline buried in the soil can be monitored, the pipeline is cleaned and maintained in time, the pipeline buried in the soil continuously works, and the irrigation efficiency is improved. The service life is longer, and the maintenance efficiency is higher.

The utility model provides an agricultural irrigation device, which relates to the technical field of agricultural irrigation and comprises an irrigation machine, the surface of the irrigation machine is fixedly connected with a storage barrel, two sides of the surface of the storage barrel are respectively and fixedly connected with a connecting hose, one end of the connecting hose is fixedly connected with a spray pipe, and the other end of the connecting hose is fixedly connected with a spray pipe. Adjusting devices are arranged on the two sides of the surface of the storage barrel, stable mounting of the spraying pipe is guaranteed through the adjusting devices, each adjusting device comprises two sliding rails, the two sliding rails are fixedly connected with the surface of the storage barrel, a mounting plate is slidably connected to the sides, close to each other, of the two sliding rails, and the surface of one side of each mounting plate is connected with the corresponding spraying pipe. When the irrigation machine disclosed by the utility model is used, the spray pipe can be conveniently and quickly adjusted according to the actual height of irrigated crops, so that the crops can be irrigated more comprehensively and fully, the irrigation efficiency is improved, the growth of the crops is better assisted, and the use effect and the working efficiency of the irrigation machine are also improved.

The invention relates to the technical field of agricultural irrigation, in particular to an intelligent irrigation system based on an insufficient irrigation principle, which comprises a drip irrigation module and an automatic water quantity control module, and the automatic water quantity control module comprises a regulation and control unit and a temperature sensing unit. In order to solve the problem of waste caused by strong sunlight, high temperature and easy and rapid evaporation of water drops in the daytime when common drip irrigation equipment performs drip irrigation in a season with high temperature, an automatic water volume control module is designed, and through the arrangement of the automatic water volume control module, the total irrigation amount can be automatically reduced in a high-temperature period, so that the irrigation efficiency is improved. Invalid evaporation of water is reduced; the problems that waste is caused by excessive irrigation and plant roots are possibly burnt are solved, water supply is automatically increased in the low-temperature period, the growth requirement of plants is met, the automatic control function is achieved, extra electronic and electrical equipment does not need to be used, and the cost is low.

The invention discloses a water-fertilizer all-in-one machine for agricultural irrigation, and belongs to the technical field of agricultural irrigation, and the water-fertilizer all-in-one machine is technically characterized in that the water-fertilizer all-in-one machine comprises a bottom plate, efficient reuse, energy conservation and consumption reduction of power are achieved through an arranged solid-liquid mixing mechanism, the water flow impact force formed by water pumping of a water pump is ingeniously used as driving force, the energy consumption of equipment is greatly reduced, and the service life of the equipment is prolonged. Meanwhile, the growth quality and the yield of crops are improved, dynamic adaptation and energy-saving cooperation of liquid fertilizer conveying are achieved through the arranged liquid-liquid mixing mechanism, the concentration of mixed liquid is more uniform, cooperative treatment of water and fertilizer synchronous conveying and dynamic adaptation is achieved through the arranged spraying irrigation mechanism, and by means of impact of water flow, the water and fertilizer synchronous conveying effect is improved. Compared with one-way irrigation at a fixed angle, different parts of crops can be in uniform contact with water and fertilizer mixed liquid, the utilization rate of the fertilizer is increased, and the irrigation device has the advantages of selective blending, convenience in irrigation, low cost and high irrigation efficiency.

The utility model discloses an agricultural machinery irrigation device, including water tank, irrigation filter mechanism, water supply dredge mechanism and dredge adjustment mechanism, irrigation filter mechanism includes filter tank, filter screen, water supply pipe, filter chamber and water supply pump, water supply dredge mechanism includes dredge pipe, threaded frame, screw, inner rotating stand and spiral dredge piece, and the dredge adjustment mechanism includes the filter tank, filter screen, water supply pipe, filter chamber and water supply pump. The dredging adjusting mechanism comprises a spring rotating rod, a fixing block, a rotating block, an outer rotating ring, an extending frame, a rotating ring and an external connecting pipe, the irrigation filtering mechanism can effectively filter a water source and remove impurities such as silt and particles in water, cleanliness of irrigation water is ensured, the risk that the impurities enter an irrigation system to cause pipeline blockage is reduced, the irrigation efficiency is improved, and the irrigation cost is reduced. The water supply dredging mechanism can automatically dredge blockages in the pipeline, irrigation interruption caused by pipeline blockage is avoided, the dredging process is more efficient through the structural design, and frequent manual intervention is not needed.

The utility model discloses a leek planting watering and root fixing device, which comprises a water storage cylinder and a watering assembly, the watering assembly comprises a mounting disc, an adjusting mechanism, a plurality of contraction cylinders, a plurality of spraying pipes, a plurality of spraying holes, a plurality of positioning plates, a plurality of positioning pins and a plurality of hoses, and the mounting disc is mounted on the bottom surface of the water storage cylinder; the adjusting mechanism is arranged on the mounting disc, and the adjusting mechanism is connected with the multiple contraction cylinders; the multiple spraying pipes are arranged in the corresponding shrinkage cylinders in a sliding mode. Therefore, by adjusting the length of the spraying pipes, the watering depth can be accurately controlled according to the actual growth condition of the Chinese chives, different planting requirements can be better met, in addition, the spraying pipes surrounding the periphery of the Chinese chives are used for irrigation, the watering uniformity can be remarkably improved, the spraying holes are oppositely arranged, and the spraying efficiency is improved. And water waste is effectively reduced while uniform distribution of water is ensured, so that the irrigation efficiency and quality are improved.

The utility model belongs to the field of sprinkling irrigation technology discloses an automatic sprinkling irrigation spray gun. The automatic sprinkling irrigation spray gun includes a spray head, a pipe body assembly, a ball valve and an actuator, the pipe body assembly is provided with a water inlet channel and a water outlet, the spray head is connected to the water outlet, the ball valve is installed on the water inlet channel, the ball valve is used for controlling water flow on-off and flow regulation, the actuator includes a controller, a valve drive assembly and a power supply assembly, the controller can be connected with remote control terminal communication, the valve drive assembly is electrically connected with the controller, and is mechanically connected with the valve core of the ball valve, two interfaces of the power supply assembly are electrically connected with the controller and the valve drive assembly respectively. The automatic sprinkling irrigation spray gun solves the problem that the existing sprinkling irrigation spray gun cannot be remotely and accurately controlled to open and close and regulate the flow, and improves the intelligent level and irrigation efficiency of the automatic sprinkling irrigation spray gun.

The utility model provides a water and electricity double-control telemetering terminal. The water and electricity double-control telemetering terminal comprises a meter shell, a temperature compensation module, an anti-theft processing module, a positioning module and a real-time clock are arranged in the meter shell, and the water and electricity double-control telemetering terminal further comprises an electric energy metering module and a remote control module, the controller is configured to calculate a conversion coefficient based on the electricity consumption and the water consumption when the flow meter operates normally, and convert the electricity consumption of the equipment based on the conversion coefficient to obtain the water consumption, so that the working reliability of the system is improved, and theft prevention and water stealing prevention are assisted; the power supply module comprises a lithium battery and a solar panel; the communication module is used for remote communication between the controller and a management center; the data interface is used for carrying out data transmission and communication with external equipment; and the man-machine interface equipment is used for providing an interface for interaction between a user and the equipment. Scientific management and reasonable distribution of water resources can be achieved, the irrigation efficiency is improved, and waste of the water resources is reduced.

The invention belongs to the field of irrigation equipment, and particularly relates to an automatic telescopic wingspan type field truss sprinkling irrigation machine which comprises a vehicle body provided with walking wheels, wingspan type truss mechanisms are symmetrically arranged on the two sides of the vehicle body, sprinkling pipes are arranged on the truss mechanisms, and each truss mechanism comprises a fixed truss and a telescopic truss. The telescopic truss is sleeved with the fixed truss, the telescopic truss and the fixed truss have the degree of freedom of sliding and stretching through a driving mechanism, and lower chord members at the bottoms of the telescopic truss and the fixed truss serve as spraying pipes. Automatic stretching and retracting of the telescopic trusses are achieved through the fixed truss and the telescopic trusses which are arranged in a sleeved mode, compared with a traditional fixed truss structure, the steps of field assembling and disassembling are omitted, tedious manual operation before and after irrigation is avoided, irrigation preparation and ending time is remarkably shortened, equipment can be rapidly put into an operation state, and the work efficiency is improved. The field irrigation efficiency is effectively improved.

The utility model belongs to the technical field of irrigation drippers with novel structures, and discloses an irrigation dripper with a novel structure, which comprises a dripper body, a water window is arranged on one side of the dripper body, a first water inlet groove is arranged at the bottom end of the water window, and a second water inlet groove is arranged at the top end of the water window. The first water inlet groove and the second water inlet groove are both communicated with the water window, a protection strip is arranged on the outer side of the water dropper body, and an anti-irrigation groove is formed in the top end of the protection strip and is of a tooth-shaped structure. Through cooperative use of the anti-irrigation groove and the protection strip, silt can be effectively prevented and reduced from flowing backwards into the drip irrigation head, and the service life of the drip irrigation head is prolonged. Through cooperative use of the first water inlet groove, the second water inlet groove and the third water inlet groove, the water inlet amount of the irrigation head can be effectively increased, and the irrigation efficiency is improved.

The invention discloses an agricultural plunger pump, and relates to the technical field of agricultural plunger pumps, the agricultural plunger pump realizes self-cleaning of a filter screen II through ball valve switching, has no complex electrical control, is suitable for agricultural environment use, can prevent the filter screen II from being blocked through regular back flushing, and improves long-term working efficiency, and multiple layers of filter screen plates are arranged in a filter screen cylinder and are arranged in a stepped manner, so that the filter screen cylinder is convenient to clean. Meshes are reduced layer by layer, large-particle impurities are blocked by the first-layer filter screen, fine particles are intercepted by the subsequent filter screens, and the problems that the load of a single filter screen is too large, water flow pressure disappears after flushing is completed, a compressed spring pushes a movable column to rebound, a baffle rapidly closes an inlet groove, physical sealing is formed, and a filter screen cylinder can be detached and cleaned at regular intervals are solved. And the auxiliary cylinder can be synchronously cleaned through thread disassembly, the overall service life is prolonged, smooth water inlet is ensured through the clean filter screen II, continuous flow and pressure output can be realized, and the irrigation efficiency is ensured.

The invention provides a water-saving irrigation device for farmland water conservancy engineering, and relates to the field of farmland irrigation, the water-saving irrigation device comprises an irrigation box, a filter screen frame, a linkage shaft I, a linkage shaft II and a limiting block; a vertical plate is arranged on the inner side of the irrigation box, the filter screen frame is inserted into the irrigation box through an insertion opening in one side of the irrigation box, two sets of water outlet pipes are connected to the outer end of the other side of the irrigation box, and spraying pipes are connected to the two sets of water outlet pipes in a penetrating mode respectively; the top end of the irrigation box is hermetically connected with a sealing cover plate through a bolt; the first linkage shaft and the second linkage shaft are rotationally inserted into the lower end of the middle of the irrigation box in a penetrating mode, the outer end of the second linkage shaft is further connected with a puncturing assembly, and the puncturing assembly is arranged between the two spraying pipes. Irrigation water can be filtered, impurities can be reserved, a pesticide is fed into an irrigation box through a pesticide adding barrel and fully stirred and mixed, the positions of a spraying pipe and a puncturing assembly can be adjusted, spraying can be directly conducted on plant roots, puncturing can be conducted on planting soil ridges, and the irrigation efficiency is improved.

The present application relates to the technical field of sprinkler, in particular to a self-propelled reel sprinkler, comprising a towing module, an irrigation module and a mud scraping module, the towing module comprises an arc-shaped plate and two solid plates movably embedded in the arc-shaped plate. In the present application, the inner gear on the double-shaft motor will affect the rotation of the transmission gear and the cross plate, then when the mud appears between the outer surface of the belt and the solid plate, the staff starts the bidirectional electric push rod, then the bidirectional electric push rod makes the reciprocating screw rod and the cross plate plug-in through the connecting plate, then the reciprocating screw rod rotates with the cross plate, then the reciprocating screw rod promotes the bearing seat to move back and forth, then the push plate connected with the bearing seat scrapes the mud between the outer surface of the belt and the solid plate, the arc-shaped plate moves more smoothly, reduces the resistance when the arc-shaped plate translates, effectively prevents the frame from sinking into the soil layer, reduces the energy consumption and improves the irrigation efficiency.