720 results about "Water conservation" patented technology

The invention provides an irrigation district reservoir and canal system water resource joint optimization scheduling method and device based on partition decoupling, and the method comprises the steps: obtaining the topological information of a target irrigation district reservoir and canal system, carrying out the irrigation division, and determining the water supply and demand of a future time period; based on the topological information, aggregating and generalizing each reservoir and channel in the irrigation area reservoir and channel system into a plurality of aggregated reservoirs and aggregated channel systems according to a coupling relationship, and dividing the target irrigation area reservoir and channel system into a plurality of subareas; channel water distribution flow feasible regions of different types of aggregation channel systems are deduced step by step from bottom to top from the last-stage channel; a double-layer water resource joint optimization scheduling model is established, the upper layer takes the maximum sum of the ratio of the water supply amount to the water demand amount of each subarea as the optimization target, and the lower layer takes the shortest water delivery time and the minimum water delivery loss of each subarea as the optimization target; the model is solved, the optimal water supply amount of each partition and the flow of the reservoir and the channel of each partition are obtained, and a scheduling optimization scheme is obtained. The method can maximize the water-saving benefit of the irrigated area.

The invention relates to a soil erosion amount dynamic monitoring method and system based on multi-source remote sensing data fusion. The method comprises the following steps: acquiring multi-source remote sensing data and auxiliary data, and performing geometric fine correction and atmospheric correction on an image based on high-resolution digital elevation data to obtain a data set with consistent space; performing inversion based on the data set to obtain a corrected terrain factor and a water and soil conservation measure factor; generating a time sequence rainfall erosivity factor and a time sequence vegetation coverage factor in combination with the multi-temporal satellite rainfall data; and calculating a preliminary soil erosion modulus in combination with the soil type map, and correcting by using multi-stage high-resolution digital elevation data to obtain a dynamic monitoring result of the soil erosion amount. By adopting the method, the problem of multi-source data fusion matching can be solved, and the factor inversion precision is improved, so that the accuracy of a dynamic monitoring result of the soil erosion amount is improved.

The invention provides a crop moisture stress diagnosis method and system based on a fuzzy discrimination theory and multi-source information fusion, and the method comprises the steps: collecting multi-source monitoring data which comprises but is not limited to soil moisture, crop physiology, remote sensing images and meteorological parameters; preprocessing the data, and calculating at least one moisture related index; constructing a membership function of the indexes based on a fuzzy set theory; fusing the indexes by adopting a fuzzy comprehensive discrimination method to obtain a comprehensive moisture stress index; and outputting a mild, moderate or severe crop water stress level according to the index. The system comprises a data acquisition, data processing, fuzzy discrimination and result display modular structure according to the method. By fusing multi-source monitoring data and adopting a fuzzy set theory and a fuzzy comprehensive discrimination method, accurate diagnosis and graded output of crop water stress are realized, the utilization efficiency of water resources is improved, and the method has remarkable water-saving and efficiency-increasing values.

The invention discloses an identification and treatment method for a water and soil loss priority treatment area of a small watershed slope in a hilly area. The method comprises the following steps: calculating a small watershed soil erosion modulus and a sediment connectivity index, and carrying out geospatial modeling to form a soil erosion and connectivity partition identification priority treatment area; determining the land utilization type and terrain status of water and soil loss, and dividing functional zones from the spatial angles of an upper slope, a middle slope and a lower slope; a water and soil conservation forest is built in a forest and grass vegetation area on the slope or an abandoned cultivated land above a reclamation prohibition slope and a water and soil loss treatment area on the barren mountain and slope according to the principle of suitable land and suitable trees, and water and soil loss is prevented and controlled through natural restoration; water and soil loss prevention and control measures of slope land reclamation-hydrological network optimization and node control-grassland soil fixation and fertility increasing are adopted in a slope water and soil loss treatment area below the reclamation forbidding gradient in the slope; the slope bottom is provided with a plant filter belt, a tail end grit chamber and an ecological ditch measure for desilting and pollution reduction; the problem that a water and soil conservation treatment system in a small watershed is low in treatment degree is solved.

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 discloses a greenhouse tomato water-saving and quality-improving planting method with cooperation of shallow-buried drip irrigation and biochar, and the method comprises the following steps: detecting greenhouse tomato planting soil, and conditioning the soil texture according to a detection result; laying a drip irrigation system on the conditioned soil, and laying a soil monitoring network; based on the established dropper system and the soil detection network, tomato seedlings are planted, and initial moisture management is carried out on the tomato seedlings after planting; after the tomatoes survive after field planting, performing staged irrigation and water and fertilizer integrated management according to the requirements of the tomatoes in different growth stages; performing charcoal rhizosphere activation and function regulation on the tomatoes in the growth period; real-time data of a greenhouse environment and a soil monitoring network are integrated, an intelligent irrigation decision model is established and operated, and a dynamic optimization irrigation scheme is implemented; and carrying out oxidation and ecological improvement on the soil after tomato harvesting. The tomato planting quality can be improved, and the soil health condition can be improved.

The invention provides an automatic irrigation device and method based on a soil humidity sensor, and relates to the technical field of water-saving sprinkling irrigation. The automatic irrigation device comprises a distributed soil humidity sensor network buried in soil of an area to be irrigated, a central controller connected with the distributed soil humidity sensor network and an irrigation execution unit electrically connected with the central controller. By arranging a distributed soil humidity sensor network and constructing a three-dimensional distribution model of soil moisture, the inherent defect that traditional single-point measurement is over-summarized is thoroughly overcome; by means of the automatic irrigation device, the real moisture conditions of each subarea and different depths in the irrigation area can be accurately mastered, so that independent and on-demand irrigation of each subarea is achieved, the high uniformity of the soil humidity of the whole field is effectively guaranteed, the optimal moisture environment is provided for crop growth, and the crop yield and quality are directly improved.

The invention relates to the technical field of agricultural management, in particular to a corn growth cycle multi-source data fusion irrigation demand prediction system, which comprises a multi-source data sensing and acquisition module, a data fusion and intelligent decision module and a hierarchical cooperative control execution module, according to the method, a decision engine with a multi-objective function as a core, wherein the multi-objective function comprises four sub-objectives of irrigation water consumption minimization, expected yield maximization, grain quality index optimization and irrigation system carbon emission minimization, and a Pareto optimal frontier scheme set is solved and generated through a genetic algorithm based on non-dominated sorting. According to the scheme, normal form transformation from single-target optimization to multi-target collaborative optimization is achieved, decision makers can comprehensively balance and optimize in multiple dimensions such as water saving, yield increasing, quality improving and emission reducing, and systematicness and global optimization capacity of irrigation decision making are remarkably improved.

The application relates to the field of garden greening management automation, and discloses a garden greening intelligent irrigation method, system, controller and spray head, the method comprising: collecting environmental information; constructing a soil moisture dynamic equation and a plant growth model according to plant information and environmental information; calculating a spray head opening time based on the dynamic equation and the growth model; controlling the spray head to open and close according to the opening time; and dynamically adjusting the spray head opening time based on the environmental information after the spray head is opened. The application constructs a soil moisture dynamic equation based on soil humidity and weather changes, and calculates a spray head opening time based on the dynamic equation and the growth model, so that efficient and intelligent irrigation control is realized. Compared with an existing timing automatic irrigation system, the application effectively avoids water resource waste caused by fixed cycle watering, while ensuring the accuracy and timeliness of water supply, meets the needs of modern water saving and accurate maintenance, and has remarkable environmental and economic benefits.

The embodiment of the invention provides a photovoltaic intelligent water-saving cleaning and irrigation self-adaptive regulation and control system and method for animal husbandry. The system comprises a photovoltaic cleaning system, a water supply and collection system used for being matched with the photovoltaic cleaning system to use water, and irrigation nozzles used for irrigating plants. The photovoltaic cleaning system, the water supply and collection system and the irrigation nozzles are sequentially connected through pipelines; and the photovoltaic cleaning system is electrically connected with the water supply and collection system and the irrigation nozzle. In this way, water resources can be saved to the maximum extent while the cleanliness of the low photovoltaic module is guaranteed.

The invention belongs to the technical field of coal mining, and particularly relates to a key parameter design method for targeted grouting and filling pier stud water-preserved coal mining. The method comprises the steps that mine hydrogeology and mining geology data are collected, and the burial depth, the thickness, the physical and mechanical parameters and the gangue breaking and expanding coefficient of a coal rock layer are obtained; adopting discrete element numerical simulation to determine the caving zone height under the insufficient mining critical propulsion length; the drilling depth of the grouting drill hole and the caving zone void ratio are calculated; preparing and testing the mechanical strength and diffusion stacking angle of the grouting material in a laboratory; combining the critical coefficient of insufficient mining, applying a rock stratum subsidence probability integral method, and scientifically designing the interval, the radius and the grouting amount of filling pier columns; and finally, cement pier columns are formed in a caving zone through ground drilling and grouting, an overlying rock stratum is stably supported, and structural deformation of the aquifer is controlled. The method is simple in parameter design and high in accuracy, and space-time interference of a traditional filling process is avoided.

This invention discloses a drone aerial photography path planning method applicable to soil and water conservation supervision of mountain wind power construction projects, belonging to the field of drone inspection technology. It mainly includes a drone, a base, and a system server. The base is connected to the system server and adapted to the drone, enabling it to charge the drone and transmit flight control command sets. The drone interacts with the base via a 5G mobile communication network. This invention can automatically plan and optimize the drone aerial photography path for soil and water conservation supervision of mountain wind power construction projects based on the location of inspection points, combined with the drone's endurance and the characteristics of the supervision point type, and generate an aerial photography path control command set. The command set is loaded into the drone through the base, enabling automatic control of image capture of key elements of soil and water conservation supervision at the inspection points. This invention can greatly improve the on-site supervision efficiency of soil and water conservation supervisors and effectively avoid the safety risks of mountain road inspections after rain.

Disclosed is a method of evaluating water saving policies comprising constructing an impact pathway of agricultural water-saving policy, establishing a farm household production decision-making sub-model, and combining agricultural water use estimation sub-model. Water-savings and grain output at the farm household level are aggregated to regional levels by using a scaling-up method, thereby achieving a link-approach evaluation from macro policy to micro farm household decision-making and then to macro policy effects. The system comprises a policy impact pathway construction module, a farm household decision-making simulation module, an agricultural water use estimation module, and a scaling-up module. The method can accurately characterize the impact mechanism of policies on farmer behavior, enhance the comprehensiveness and depth of policy effectiveness evaluation, and dynamically reflect the long-term effects of policies, thereby providing a basis for the formulation and optimization of agricultural water-saving policies.

The application belongs to the field of water and soil monitoring, and relates to a water and soil conservation dynamic monitoring method and system based on multi-source remote sensing data, which comprises the following steps: determining a water and soil conservation monitoring range based on a water and soil loss prevention and control range and a prevention and control influence range in a prevention and control process; dividing the water and soil conservation monitoring range based on prevention and control content and prevention and control disturbance to obtain a plurality of water and soil conservation monitoring areas of different monitoring levels; performing preliminary observation on the water and soil conservation monitoring range to obtain preliminary water and soil loss data; dividing each water and soil conservation monitoring area into a plurality of monitoring blocks based on the preliminary water and soil loss data of each water and soil conservation monitoring area; and fusing and splicing the preliminary water and soil loss data, fixed monitoring data and mobile monitoring data based on the similarity of the fixed monitoring data and the preliminary water and soil loss data and the change amount of the fixed monitoring data to obtain water and soil conservation dynamic monitoring data of the water and soil conservation monitoring range. The application provides a more accurate, efficient and intelligent solution for water and soil conservation monitoring.

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.

The utility model relates to the field of agricultural devices, in particular to an agricultural water conservancy water-saving device which comprises a base, an irrigation water storage assembly is fixed to one side of the top of the base, a rainwater storage assembly is fixed to the other side of the top of the base, and a water conveying assembly is fixed to the middle of the top of the base. The irrigation water storage assembly and the rainwater storage assembly are both connected with a water conveying assembly through pipelines, the water conveying assembly is further connected with a spraying assembly through a pipeline, and the spraying assembly is fixed to a height adjusting assembly. Natural rainwater can be effectively and reasonably utilized to be matched with irrigation water to be used for agricultural irrigation operation, the irrigation range can be conveniently adjusted, the water-saving effect is further improved, development of agricultural water conservancy is facilitated, and the system is suitable for popularization.

The invention relates to the field of edge calculation, in particular to a sprinkling machine variable irrigation control method based on target water depth cutting and geometric volume-preserving mapping, and the method is universal in two operation modes of a central pivot (circle) and translation. According to the method, a closed-loop process of target cutting-connected partition and discrete gear selection-AMR cell refinement-CMI mapping-cell-level constraint deconvolution-60s period greedy backtracking-execution and monitoring is followed, and cooperative control of 4-5 management regions and a plurality of cells in the whole field can be realized; the community-level and whole-field double-layer (> = 90%) satisfaction degree is preferentially ensured, and the uniformity and water saving are both considered.

This invention discloses an artificial intelligence-based method for monitoring soil erosion risk. To address the problems of untimely identification of soil erosion risk, difficulty in quantifying disturbance information, and insufficient early warning accuracy within the responsibility area of ​​production and construction projects, this invention acquires high-resolution remote sensing images and divides the responsibility areas into prevention and control units. It utilizes a disturbance identification model to identify pixel-level engineering disturbances and extract disturbance features such as disturbance area ratio, disturbance morphology, and spatial relationship between disturbances and drainage channels. Combining rainfall, topography, soil, vegetation, and soil and water conservation measures data, it calculates key factors such as rainfall erosivity, vegetation cover management, slope length and gradient, soil erodibility, and measure factors. These factors are then substituted into a modified general soil loss equation to obtain baseline soil erosion. The baseline soil erosion, disturbance features, key factors, and rainfall forecast are input into a deep residual network model to obtain target soil erosion risk indicators. Finally, based on risk classification thresholds, the risk level of each prevention and control responsibility unit is output, achieving the technical effect of unit-scale soil erosion risk monitoring and early warning.

The application discloses a kind of dry lake basin ecological comprehensive repair and intelligent monitoring method, the dry lake basin ecological comprehensive repair method, including by the way such as the soil transplanting of native plant in dry lake basin, realize locking edge sand control in dry lake basin inside;By planting local plant in the circumferential planting of dry lake basin edge, form sand material containment plant strip;By the way such as sowing psammophyte on the quicksand of dry lake basin periphery, to fix ground quicksand;And, by the way such as planting sand-fixing arbor and shrub in the upwind area of dry lake basin periphery and covering sand-fixing net, construct plant sand-fixing grid.The application can significantly improve the wind prevention and sand fixation efficiency of the surrounding area of dry lake basin, effectively reduce the frequency of wind-sand disaster, provide a solid guarantee for regional safety, while effectively promote the optimization of soil structure and the natural recovery of vegetation, not only enhance the water and fertilizer conservation capacity of soil, but also significantly improve the service function of regional ecosystem, such as water conservation, climate regulation and the like.

The invention discloses a composite ecological restoration technology suitable for an open-pit coal mine waste dump. The technology comprises the following steps: (I) planting water-saving and convergence-increasing plants: sowing the water-saving and convergence-increasing plants to the open-pit coal mine waste dump to be restored in a shrub and grass seed broadcast sowing manner; (II) preparation and spraying of a prokaryotic microbial strain: culturing the separated and purified pseudoarthrobacter sp.xwn1, microbacterium sp.xwn2 and Acinetobacter sp.xwp1, carrying out enlarged culture on the cultured microbial agent, and then spraying and applying the microbial agent to the open pit coal mine waste dump after the microbial agent is applied to the open pit coal mine waste dump after the microbial agent is applied to the open pit coal mine waste dump after the microbial agent is applied to the open pit coal mine. By using the composite ecological restoration technology, the carbon sequestration capacity of plants is promoted, the organic carbon content of soil is increased, and ecological carbon sequestration restoration of the open pit coal mine waste dump is facilitated.

The invention relates to the technical field of greening irrigation, and discloses a water-saving irrigation device for landscaping construction, which comprises two parallel bottom plates, a roof fixed by the two bottom plates through bolts, movable bases arranged at the tops of the two bottom plates, and a concave telescopic frame, the two movable bases move in the length direction of the two bottom plates through walking assemblies. First motors are fixedly arranged on the two movable bases, the two ends of the concave telescopic frame are rotationally connected to the movable bases, and the rotating ends of the first motors are connected with the rotating center of the concave telescopic frame. And a main pipeline is arranged at the top of the concave telescopic frame. A first motor drives a concave telescopic frame to rotate integrally, so that an included angle is formed between the spraying direction of a nozzle and the wind direction, transverse interference of X-axis wind power is counteracted, the multiple concave rotating frames are synchronously adjusted through an angle control assembly, the pitching angle of the nozzle is changed, longitudinal deviation of Y-axis wind power is restrained, and wind-induced spraying track deviation is corrected. It is ensured that irrigation liquid accurately covers a target area, and drifting loss is reduced.

The utility model discloses an ecological vegetation restoration planting frame, which belongs to the technical field of ecological vegetation planting and comprises a frame body, a soil fixing net and a pipeline group. Wherein the frame body is provided with an upward opening, the non-opening surface of the frame body is provided with a channel for water and soil to pass through, the soil fixing net covers the channel, the pipeline group is buried in the frame body, the pipeline group comprises a main pipeline and an auxiliary pipeline, the main pipeline and the auxiliary pipeline are communicated with each other, and a plurality of uniformly distributed vent holes are formed in the main pipeline and the auxiliary pipeline. The utility model has the advantages that the soil fixation net can intercept silt to form preliminary filtration; the pipeline group forms an air gallery positioned in the frame body, so that root systems of plants planted in the planting frame can obtain good ventilation; the two are combined to realize efficient balance of water and soil conservation and root system ventilation.

The utility model relates to agricultural irrigation technical field especially, relates to a water -saving irrigation drip irrigation water storage device. Including water storage tank, water collecting tank, tank cover, filter plate, protective housing, threaded rod, motor etc. ; The upside of water storage tank is equipped with water collecting tank, is equipped with tank cover in water collecting tank, is equipped with filter plate in water collecting tank slidingly, is equipped with the fixed mechanism for fixing filter plate in water collecting tank, both sides of water collecting tank are equipped with protective housing, the inside rotatable of one side's protective housing is equipped with threaded rod, is equipped with guide rod in the other side protective housing, and the inside installation of threaded rod one side's protective housing has motor. The utility model carries out the filtration to the collected rainwater through filter plate, removes the impurity, ensures water quality clean, provides high quality water source for subsequent drip irrigation system, motor drives the horizontal movement of clean brush, carries out the cleaning to filter plate surface, prevents the impurity accumulation and blocks filter plate aperture, maintains the filtration efficiency of filter plate.

This invention discloses a controlled drainage ecological regulation method for synergistic irrigation and drainage to reduce salinity and alkalinity, belonging to the field of soil remediation technology. The method includes: a soaking and dissolving stage, where, with the drainage outlet closed, low-flow irrigation is performed at the farthest point from the drainage ditch, allowing a large amount of irrigation water to enter the small pores of the soil profile and soak and dissolve salts; a diffusion and dispersion stage, where the drainage outlet is raised, and with the outlet height lower than the field surface, large-flow irrigation is performed evenly, filling all pores of the soil profile with irrigation water and enhancing the diffusion and dispersion of salts; a convection desalination stage, where the drainage outlet is opened, and with the outlet depth level with the drainage ditch depth, saline water is evenly discharged from the soil; and a water-saving and emission-reduction stage, where the drainage outlet depth is lower than the crop root zone, breaking the connectivity of small pores and preventing soil salts from moving upwards during crop growth. This synergistic irrigation and drainage achieves the three major goals of salt control, water conservation, and emission reduction.

The embodiment of the invention provides a method for planting festuca arundinacea based on a coastal area grey yard, which comprises the following steps: selecting a planting area; soil improvement is conducted on the planting area; planting the festuca arundinacea according to the seeding rate; field management and harvesting are conducted after sowing. According to the method, the forage grass varieties suitable for being planted in the coastal area grey yard are screened, the forage grass growth environment is improved through the proper covering soil and the modifying agent, and the forage grass activity is improved. In addition, through integration of a scientific cultivation technology and field management, germination and growth of forage grass seeds are promoted, water-saving irrigation is achieved, the yield of high-quality forage grass is increased, the problem of dust raising of the ash yard is solved, and meanwhile greening of the coastal ash yard is achieved for ecological restoration.

This invention provides a pressure pipeline upgrade system that improves the power generation efficiency of hydropower stations by using a high-pressure air compressor to inject air and mix it with water. The system includes a pressure tank, an air compressor, a high-pressure connecting air pipe, a one-way check valve, a pressure equalization chamber, a pressure pipeline, a vortex guide pipe, a high-pressure jet nozzle, and a hydro-generator. The core components of this invention are: the pressure equalization chamber, the pressure pipeline, the vortex guide pipe, and the high-pressure jet nozzle. The vortex pipe and the pressure pipeline are an integral design; the vortex pipe is attached to the inner wall of the pressure pipeline, guiding the water flow in a vortex shape to accelerate and impact the hydro-generator. The vortex pipe is designed as a hollow structure with evenly distributed spiral air holes. The high-pressure air output from the air compressor is injected into the water flow spirally through these air holes along the path of the vortex pipe, thoroughly mixing with the water. Simultaneously, influenced by the water level difference in the upstream pressure pool, the water flow naturally forms a strong vortex effect, further enhancing the rotational power of the water flow. This achieves a dual pressurization effect from the high-pressure mixture of water and air, causing the water pressure and velocity to increase several times before impacting the turbine generator blades and driving them to generate electricity, thereby improving the power generation efficiency of the hydropower station. This invention has advantages such as simple structure, convenient installation, easy maintenance, water conservation, and environmental friendliness, and can also bring good social and economic benefits.

The utility model discloses a water and soil conservation vegetation cover support technical field's water and soil conservation vegetation cover support, including vegetation cover framework, vegetation cover framework is by multiple green planting unit, and green planting unit includes hexagonal base, and the middle part of hexagonal base is provided with soil filling cylinder, and both sides of hexagonal base all are installed with positioning clamping plate, and the both sides of hexagonal base away from positioning clamping plate are set up with positioning clamping groove respectively, and the structure design of the scheme can be assembled and form adjustment according to the relief and irregular characteristics of desertification land flexibly through the clamping cooperation between positioning clamping groove and positioning clamping plate, realizes the quick construction of whole vegetation cover framework, and this kind of flexible splicing mode not only has improved the adaptability of vegetation cover support to complex landform, has guaranteed sand -fixing green plant to be able to grow stably under various topographic conditions, but also has strengthened the effect of wind -proof sand -fixing, has solved the limitation that traditional integration net -like support is difficult to match irregular topography.

The application discloses a kind of unmanned vehicle's route planning method, device, unmanned vehicle and storage medium, the method includes: determining the boundary of target aerial survey area;Determine the minimum circumscribed rectangle corresponding to the boundary of target aerial survey area;According to the minimum circumscribed rectangle and the boundary of target aerial survey area, the route of the unmanned vehicle is generated.The method can optimize the unmanned aerial vehicle survey method of small watershed of soil and water conservation by determining the minimum circumscribed rectangle of the boundary of target aerial survey area and generating the route of the unmanned vehicle in combination with the boundary of target aerial survey area, can cover small watershed of soil and water conservation all at once, make the number of unmanned aerial vehicle turning and heading along the aerial survey direction minimum, save the flight energy and aerial survey time of unmanned aerial vehicle, simultaneously avoid the invalid aerial survey data generated due to repeated aerial survey or missing of unmanned aerial vehicle, effectively reduce the data volume of aerial survey, reduce the processing difficulty of aerial survey data, shorten the data processing time.

The invention relates to a farmland irrigation and flood drainage system device and method, and belongs to the technical field of agricultural water conservancy. The device aims to solve the problems that farmland is prone to waterlogging and drought, and a traditional irrigation mode is low in efficiency. According to the technical scheme, the system comprises a long-distance large-diameter water conveying pipeline, a flood drainage pipeline communicated with the long-distance large-diameter water conveying pipeline, a flood drainage opening well arranged in a farmland and communicated with the flood drainage pipeline, an irrigation pipe network buried underground and an irrigation water supply system arranged in the flood drainage opening well. During flood, surface water is converged into the flood drainage pipeline through the flood drainage port well and finally drained into the long-distance large-caliber water conveying pipeline; in drought, the irrigation water supply system takes water from the long-distance large-diameter water delivery pipeline into the flood discharge port well, and then the water is pressurized by the water pump and delivered to the underground irrigation pipe network to irrigate roots of crops. The device integrates drainage and irrigation, achieves the purposes of keeping harvest after drought or waterlogging, saving water and energy, saving time and labor and achieving automatic operation, and has the functions of improving saline-alkali soil, integrally applying water and fertilizer and the like.

The utility model provides full-automatic landscaping water-saving drip irrigation equipment, and mainly relates to the field of garden drip irrigation equipment. The utility model discloses full-automatic landscaping water-saving drip irrigation equipment which comprises a water bucket and a medicament bucket, the garden pesticide spraying device has the advantages that water flow in the water bucket is pumped out and pressurized through the water pump, the pressurized water flow enters the Venturi tube, and garden pesticides loaded in the pesticide bucket are evenly sucked into a pipeline system to be mixed with the water flow through vacuum suction force generated when the water flow passes through the Venturi tube. A stirring paddle driven by a motor is arranged in the venturi tube and used for mixing water flow and a medicament in a low-speed water flow state, a liftable drip irrigation head is arranged around the drip irrigation pipe and communicated with a conveying pipe to irrigate the ground where the roots of the garden plants are located, and a humidity detector is arranged on the side face of the drip irrigation pipe; the device is used for detecting humidity of different depths in soil and further adjusting the drip irrigation height of each drip irrigation head for drip irrigation work.