523 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 an agricultural water-saving irrigation system and a water-saving irrigation method thereof. Relates to the technical field of agricultural irrigation. The height adjusting device comprises clamping assemblies and a plurality of lifting air cylinders, and the top of each lifting air cylinder is provided with the corresponding clamping assembly; and the two water supply pipelines are correspondingly arranged at intervals, each water supply pipeline is fixed to the lifting air cylinder through a clamping assembly, a plurality of irrigation pipelines are arranged between the two water supply pipelines at intervals, and each irrigation pipeline is provided with an irrigation spray head assembly. The agricultural water-saving irrigation method comprises the following steps: step 1, height adjustment; 2, adjusting the irrigation water flow; step 3, carrying out drip irrigation; 4, sprinkling irrigation is carried out; and 5, pressure adjustment. According to different irrigation requirements, switching between spray irrigation and drip irrigation can be achieved through the irrigation spray head assembly, so that more accurate moisture control is achieved, and the irrigation process is simple, direct and practical.

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 agricultural irrigation, in particular to a configuration optimization method of a collaborative energy supply photovoltaic power generation water-saving irrigation system. According to water demand characteristics of local crops in the growth period, configuration is carried out by taking the minimum water demand of the crops in different growth periods as a target, and a system flow calculation model is constructed by considering change rules of photovoltaic module utilization efficiency, water pump operation efficiency and pipeline efficiency under different irradiation intensities, valve opening degrees and water lifting heights; and determining the optimal water lifting height according to the system overall efficiency and the solar energy utilization rate. The initial investment cost, the operation cost, the maintenance cost and the replacement cost of the water-saving irrigation system are used as constraints, and a system life cycle cost model is established. The optimal configuration parameters of the photovoltaic generator set, the reservoir and the storage battery are determined by adopting a crown porcupine optimization algorithm, so that the whole life cycle cost of the system is minimized, and the lowest water demand of crops is met. The system is suitable for a water-saving irrigation system composed of a photovoltaic generator set, a reservoir and a storage battery.

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 agricultural irrigation, and discloses a water-saving irrigation intelligent self-adaptive regulation and control system which comprises a sensor module including a soil humidity sensor, a meteorological sensor group and a crop growth sensor group, and the soil humidity sensor and the crop growth sensor group are installed in a farmland; and the meteorological sensor group is arranged near the farmland. According to the intelligent self-adaptive regulation and control system and method for water-saving irrigation, various sensors are integrated, so that data such as real-time temperature, humidity, rainfall and wind speed of an irrigation area and data such as plant height, leaf area and chlorophyll content of crops are monitored, and indexes for further reflecting the water demand condition of the crops are provided. According to the method, comprehensive and accurate environment and crop information can be obtained in real time, comprehensive analysis is carried out by utilizing an algorithm based on the data, and the actual water demand of the crops in different growth stages is accurately determined, so that targeted irrigation of the land is realized, and water source waste is reduced.

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 present invention relates to a corn field water-saving irrigation system, comprising a water tower, a water pump, an output main pipeline, a delivery branch pipe, a nozzle and a nozzle. The water pump is connected to a plurality of delivery branch pipes, and each delivery branch pipe is provided with an independently controlled branch valve. The delivery branch pipe is fixed along the ground by the clamp and the positioning pile; a protective box is provided on the outer side of the delivery branch pipe, and a wireless transmitter and a soil moisture sensor are provided in the protective box, and the detection end of the soil moisture sensor is inserted below the ground. A relay transceiver is provided on the corn field; the soil moisture data sensed by the soil moisture sensor is sent to a nearby relay transceiver through a wireless transmitter; a plurality of relay transceivers transmit the data in a relay manner, and finally send it to a data concentration controller, and then transmit it to a control background through the data concentration controller, and the control background adjusts the opening and closing and opening degree of the branch valve of the delivery branch pipe and the power of the water pump according to a preset program to achieve the purpose of water-saving irrigation.

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 invention discloses a fertilization method for improving cotton yield and phosphorus utilization efficiency, which comprises the following steps: a, formulating a personalized phosphate fertilizer application scheme according to soil properties, climate conditions and an expected yield target of a cotton planting area; b, timely adding a proper amount of water-soluble phosphate fertilizer according to the actual growth condition of the plant and a leaf nutrition diagnosis result; c, supplementing the phosphorus element by adopting a foliar spraying mode aiming at the possible phosphorus deficiency symptom; and d, adding a biological stimulant and a substance for promoting phosphorus absorption in the fertilization process. According to the fertilization method disclosed by the invention, through combination of precise fertilization, staged fertilization, biological stimulant application, dynamic monitoring and adjustment and a water-saving irrigation technology, the yield of cotton and the utilization efficiency of a phosphate fertilizer are effectively improved, the production cost is reduced, the ecological environment is protected, and the fertilization method has a wide application prospect.

The invention discloses a short-medium-long nested water-saving irrigation decision-making method based on numerical weather forecast. The method comprises the following steps: (1) checking the precision of a numerical weather forecast product; (2) constructing a real-time irrigation forecasting model; (3) real-time irrigation forecast is driven by numerical weather forecast, and a'short-medium-long 'nested water-saving irrigation decision is implemented; real-time irrigation forecast is driven by numerical weather forecast, a water-saving irrigation decision and an irrigation water plan are implemented layer by layer with the forecast period of weather forecast as a guide, the forecast period of real-time irrigation forecast is prolonged, the problem of rain after irrigation is solved, and the method has a remarkable water-saving effect in the aspect of relieving water resource shortage in the drought period.

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.

According to the movable water-saving irrigation device, the box body and the communicating pipe are arranged, external stored water is communicated into the box body, the bottom wall of the box body is provided with a water control mechanism composed of a water hole used for irrigation, a hole plug and a series connection plate, and water flow is controlled by opening and closing the water hole; a fixing pipe is fixedly connected to the bottom wall of the box body, an upper supporting rod and a lower supporting rod are elastically connected into the fixing pipe, the lower supporting rod is connected with a roller, and in the advancing process of the roller, the upper supporting rod and the lower supporting rod move up and down to drive the water control mechanism to move up and down to achieve irrigation; the plug pin is used for buckling the upper supporting rod and the lower supporting rod. By the adoption of the technical scheme, the plug pins control whether each set of hole plugs can achieve lifting motion and irrigation in the advancing process of the rolling wheels or not, the water amount is effectively controlled, and irrigation is more uniform due to the fact that the multiple water holes are used for irrigation.

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 belongs to the technical field of water-saving irrigation control, and particularly relates to a crop-energy collaborative high-standard farmland irrigation and drainage intelligent management and control method and a crop-energy collaborative high-standard farmland irrigation and drainage intelligent management and control system. The high-standard farmland irrigation and drainage information measurement and control system based on low-voltage power line high-speed carrier communication achieves collection of information such as field water level and pump station operation energy consumption, irrigation amount prediction information is obtained according to the field water level, energy consumption of each pump station is predicted in combination with a pump station energy consumption module, a regional pump station node energy consumption distribution diagram is established, and the energy consumption of each pump station node is calculated. And scheduling the operation time of each pump station by taking the irrigation requirement and the energy consumption balance as targets. By means of the method, water-saving irrigation control over high-standard farmland is achieved, the influence of simultaneous operation of the pump station groups on the power grid is reduced while the requirement for crop growth is met, and the stability and stability of operation of the power grid are 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 discloses a water-saving irrigation method and system for traditional Chinese medicinal materials, and relates to the technical field of water-saving irrigation, by deploying sensors, collecting soil data and traditional Chinese medicinal plant growth data, and utilizing a source sensor to realize accurate positioning of the positions of other sensors; by constructing a sensor ad hoc network, collected soil data are intelligently analyzed to judge the accuracy and effectiveness of the soil data; based on the obtained effective sensor data, designing a water-saving irrigation control scheme by using a neural network model, and optimizing a sensor ad hoc network and a corresponding irrigation control scheme according to the growth condition of the traditional Chinese medicine plants; by analyzing the effectiveness of sensor data, accurate environment data of the traditional Chinese medicine plants can be obtained, and intelligent and accurate water-saving irrigation for the traditional Chinese medicine plants is achieved.

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.