167 results about "Water saving irrigation" patented technology

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

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

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

The invention provides a water and fertilizer on-line accurate detection and irrigation control system which is used for irrigation of hardened water channels in low-latitude plateau areas. Comprising a cloud box, a data acquisition module, an image recognition module, a system PLC controller and a remote control and system alarm. The cloud box establishes a real-time and historical database based on the data acquired by the data acquisition module, further comprises an irrigation volume model and a crop growth period moisture management model, and makes and outputs an irrigation decision based on the irrigation volume and moisture management model; the data acquisition module is used for acquiring soil or matrix data and field water level; the image recognition module collects crop growth images to enter different period schemes; and the PLC receives an irrigation decision or controls a lifting telescopic rod or a water gate decision. According to the system, large-scale intelligent planting of crops is achieved, a large amount of manpower is saved, the problem that the low-latitude plateau green efficient water-saving irrigation technology lacks is solved, and the crop production amount is greatly increased.

The 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 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 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.

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 utility model relates to the field of pipe cutting, and more particularly to a cutting device for PE pipes used in water-saving irrigation steel outlets. The device includes a base, a cutting machine, a first motor, a lead screw, and a sliding frame. The cutting machine is connected to the left side of the base, and the first motor is connected to the right side of the base. The first motor and a processor are electrically connected via a control module. A lead screw is connected to the output shaft of the first motor, and the lead screw is rotatably connected to the base. A sliding frame is threaded onto the lead screw, and the sliding frame is slidably connected to the base. This utility model places the pipe on rollers, and the rotation of the rotating plate moves the clamping frame, causing the rollers to move and clamp the pipe. The pipe position is then adjusted, and the rotating plate further rotates the pipe for cutting. This allows for automatic clamping and fixing of the pipe while simultaneously rotating it for cutting. It is suitable for cutting pipes of different diameters, preventing pipe displacement or shaking, and improving cutting stability, efficiency, and quality.

The invention discloses an intelligent water-saving irrigation control device, and relates to the technical field of irrigation. According to the intelligent water-saving irrigation control device, the servo push rod drives the sprayers to ascend and descend, the spiral guide structure achieves steering and is matched with pitch angle self-adaptive adjustment, large-area circumferential coverage can be achieved through a single device, and compared with traditional sprayers with fixed heights and fixed angles, the deployment number of the sprayers in the field can be reduced; the device greatly reduces the equipment purchase cost and the field installation construction workload, aims at the problems that the water flow drop points of a traditional spray head are concentrated and more in the near and less in the far, enables the water flow drop points to form a reciprocating covering track from the near to the far and from the far to the near through the cooperative operation of lifting, steering and angle switching of the spray head, improves the irrigation uniformity, and improves the irrigation efficiency. The problems of water shortage of crops in areas far away from water flow drop points and saturation and loss of water sources in the areas close to the water flow drop points are effectively solved, water supply balance of field crops is guaranteed, and crop growth consistency is improved.

The present application relates to a kind of single nozzle from plane to non-uniform slope surface water distribution conversion method, its method includes: based on the radial irrigation intensity of single nozzle in plane, establish single nozzle plane water distribution model, based on the digital elevation model of non-uniform slope surface, fit single nozzle radial direction non-uniform slope surface topographic curve, based on the water droplet motion trajectory model of passing through non-uniform slope surface certain point and non-uniform slope surface topographic curve, obtain the intersection of water droplet motion trajectory and plane passing through non-uniform slope surface certain point, according to single nozzle radial direction water conservation and non-uniform slope surface topographic curve, the irrigation intensity of intersection position corresponding single nozzle plane water distribution model is converted to the irrigation intensity of non-uniform slope surface certain point, can solve the problem that existing non-uniform slope surface water distribution conversion method cannot meet the need of non-uniform slope surface water distribution conversion, improve applicability, to simplify non-uniform slope surface water distribution measurement and be applied to hilly and mountainous water-saving irrigation.

The utility model provides a high-standard farmland river concrete water-saving irrigation channel which comprises a U-shaped concrete channel, connecting lugs are arranged on the two sides of the top end of the concrete channel, a combined cover plate is arranged on the concrete channel, connecting rings are fixedly installed on the two sides of the combined cover plate, and the connecting lugs are connected with the connecting rings. A mounting bolt is movably inserted in the connecting ring, a connecting hole is vertically formed in the connecting lug, an internal thread sleeve is fixedly embedded in the connecting hole, and the mounting bolt is in threaded connection with the internal thread sleeve. The combined cover plate is arranged on the concrete channel, the two rectangular cover plates are combined together through matching of the inserting rods and the inserting holes, the rectangular cover plates can be fixed to the concrete channel through the connecting rings on the outer sides of the rectangular cover plates, and objects such as soil, leaves and stones are prevented from rolling into the channel to block the channel; and meanwhile, the connecting ring can be used for hoisting the rectangular cover plate to facilitate installation, maintenance and replacement.

The application relates to the technical field of irrigation devices, in particular to a water-saving irrigation device for garden greening maintenance, which comprises a main frame, a liquid storage tank is fixed on the main frame, a driving cylinder is fixed on the main frame, a first piston rod is installed at the output end of the driving cylinder, a cross beam is fixed on the first piston rod, a water delivery pipe is fixed on the cross beam, and a water outlet hole is formed in the bottom end of the water delivery pipe; a water pumping mechanism is arranged on the main frame, when the first piston rod rises, the water pumping mechanism pumps water in the liquid storage tank, when the first piston rod descends by a certain height, the water pumping mechanism delivers the pumped water into the water delivery pipe, the water delivery pipe is controlled to be actively lowered into the soil, irrigation is carried out in the movement process, water can be directly and uniformly delivered to different depths of plant root distribution, water loss caused by surface evaporation and runoff is greatly reduced, and water resource utilization rate is fundamentally improved.

The utility model discloses an agricultural water-saving irrigation valve which comprises a pipe body, one end of the pipe body is provided with a fixing assembly, the fixing assembly comprises a valve body, a fixing rod, a top plate, a moving plate and a first spring, the valve body is detachably arranged at one end of the pipe body, the fixing rod is fixedly installed on the valve body, and the top plate is fixedly installed on the fixing rod. The top plate is arranged at one end of the fixed rod, the movable plate is slidably connected to the fixed rod, the fixed rod is sleeved with the first spring, the two ends of the first spring are connected with the movable plate and the top plate, and an adjusting assembly is arranged at one end of the valve body and comprises an adjusting pipe, a motor and an adjusting rod. The adjusting pipe is arranged at one end of the valve body, the motor is arranged at the bottom of the adjusting pipe, and the adjusting rod is connected to the output end of the motor, so that the technical problem that an existing agricultural water-saving irrigation valve mentioned in the background technology has the remarkable defect that the existing agricultural water-saving irrigation valve cannot be rapidly fixed to the pipe body in the actual application process is solved.

The utility model discloses water-saving irrigation equipment capable of preventing water source evaporation, which relates to the technical field of structures capable of preventing water source evaporation and comprises a water storage barrel, a water inlet blocking cover arranged at the upper end of the water storage barrel, a water level display component arranged at the side end of the water storage barrel, a water drainage component arranged at the lower end of the outer wall of the water storage barrel and a support frame welded at the bottom end of the water storage barrel. Through cooperation of the stirring impeller and the water discharging assembly, materials such as additives can be better scattered and mixed into water liquid, the water discharging speed is prevented from being regulated and controlled, and therefore the functions of mixing the material liquid and regulating and controlling the irrigation water flow are achieved; the water inlet blocking cover can be blocked, and then the functions of water level detection, rainwater collection controlled by a single chip microcomputer and evaporation loss prevention can be achieved; finally, the problem that evaporation loss is serious when an existing water source storage device achieves the rainwater collection function is solved.

The utility model relates to the technical field of underground infiltrating irrigation devices, and discloses a negative pressure self-suction type anti-blocking underground infiltrating irrigation device which comprises an irrigation water storage tank, the side face of the irrigation water storage tank is fixedly connected with a communication transfer pipeline, and the inner side of the communication transfer pipeline is provided with a communication control assembly. One side of the communicating transfer pipeline is fixedly connected with an anti-blocking permeable membrane, the other side of the communicating transfer pipeline is fixedly connected with a negative pressure cavity pipeline, the top surface of the negative pressure cavity pipeline is provided with a negative pressure driving assembly, and the bottom of the communicating transfer pipeline is provided with anti-blocking underground water seepage assemblies which are distributed at equal intervals. The maintenance cost is reduced; the negative pressure driving assembly utilizes negative pressure self-suction, is energy-saving and is suitable for regions with unstable electric power; the communication control assembly accurately controls the irrigation amount by adjusting an internal sealing rotating plate, the water resource utilization rate is increased, the water demands of crops in different growth stages are met, and agricultural efficient water-saving irrigation is promoted.

The invention discloses a water-saving irrigation system applied to facility vegetable planting, and relates to the technical field of vegetable planting, the water-saving irrigation system comprises a three-dimensional planting frame and a plurality of culture media uniformly arranged along the three-dimensional planting frame, and the three-dimensional planting frame can drive the plurality of culture media to circularly move in a vertical plane; the number of the water supply units is the same as that of the culture media; a guide part for guiding the water supply unit to move along the vertical direction relative to the culture medium is arranged between the water supply unit and the culture medium; the water tank is arranged below the three-dimensional planting frame; when the three-dimensional planting frame drives the culture medium to move to the bottommost part, the water supply unit can move downwards relative to the culture medium into the water tank to take water, and water is conveyed into the culture medium in the circulating movement process of the culture medium; according to the invention, water waste can be better avoided.

The water-saving irrigation device for the tea garden relates to the technical field of tea garden planting and comprises a water collecting tank, the top of the water collecting tank is of an opening structure, and a liquid collecting tray is arranged at the opening and used for collecting rainwater; a support frame is arranged outside the water collecting tank; a drainage pipe is arranged at the bottom of the water collecting tank, a flow dividing pipe is arranged at the tail end of the drainage pipe and provided with a plurality of irrigation pipes, and electromagnetic valves are arranged on the irrigation pipes. A middle bin is arranged on the drainage pipe and is hollow, an opening is formed in the top of the middle bin, and a filtering assembly is detachably arranged at the opening. By means of the arrangement, the water-saving irrigation device for the tea garden solves the problems of water resource waste and uneven irrigation in an existing irrigation mode through natural rainfall, and the irrigation effect of tea trees is improved.

The invention discloses a water-saving irrigation device for vegetable seedling cultivation, which relates to the technical field of water-saving irrigation and comprises a support horizontally mounted and fixed on the ground. The device monitors the water level condition in real time through the water distribution mechanism, the water and fertilizer use inspection degree is improved, the water saving performance is improved, and the water saving capacity of the device is achieved; the device stirs water and fertilizer in real time through the water distribution mechanism, so that water and fertilizer deposition is avoided, the practicability is improved, and the efficient irrigation capacity of the device is achieved; the problem that an existing device is insufficient in water supply monitoring is solved. A mixing uniformity coefficient is dynamically calculated based on water and fertilizer concentration standard deviation change of multiple layers of measuring points through a rotating speed adjusting module, and a rotating speed and uniformity relation model is established in combination with historical data, so that self-adaptive adjustment of the stirring rotating speed is realized; the water and fertilizer mixing device has the advantages that the speed is automatically reduced to save energy after the uniformity standard is reached, and the stirring strength can be accurately improved when the uniformity standard is not reached, so that the water and fertilizer mixing quality is ensured, the energy consumption is obviously reduced, and the overall energy efficiency and intelligent level of the device are improved.

This invention discloses a water-saving irrigation device for farmland, relating to the field of agricultural water conservancy technology. It aims to solve the problem of existing equipment with fixed pipe and sprinkler diameters, which are prone to blockage due to the accumulation of silt, weeds, and debris. The device consists of a main pipeline structure and a sprinkler irrigation structure. The main irrigation pipe of the main pipeline structure is equipped with a guide pipe, a variable stiffness cylindrical compression spring, a diversion channel, and a coaxial flexible sleeve. The sprinkler irrigation structure's sprinkler pipe is equipped with a coaxially expandable telescopic core tube, a piston tube with a pressure relief nozzle, and a linked hydraulic drive assembly. This invention utilizes changes in irrigation water pressure to drive hydraulic oil circulation, enabling the flexible sleeve to dynamically adjust the water delivery diameter of the main pipeline. Simultaneously, the telescopic core tube changes the sprinkler irrigation diameter, and the piston tube controls the switching between single-nozzle fine-precision sprinkler irrigation and dual-channel high-flow sprinkler irrigation modes. No manual intervention is required throughout the process, fundamentally reducing the probability of blockage by debris, while maintaining effective water delivery pressure when the water pressure is low.

The utility model discloses a water-saving irrigation device for an agricultural technology, and belongs to the technical field of irrigation. Comprising a water supply pipe and a plurality of connecting pipes with drainage holes, the water supply pipe is connected with a plurality of branch pipes in a penetrating mode, the branch pipes are vertically connected with a vertical pipe in a penetrating mode, the lower end of the vertical pipe is connected with a water storage tank in a penetrating mode, one side of the water storage tank is connected with an L-shaped pipe in a penetrating mode, and the L-shaped pipe is connected with a water accumulation hopper arranged under the connecting pipes in a penetrating mode. A plurality of thin water absorption cotton ropes are installed at the bottom of the water storage tank, a buoy is arranged in the water storage tank, a piston rod inserted into the vertical pipe in a sliding mode is fixed to the buoy, a water outlet hole coaxial with the branch pipe is formed in the piston rod, and the technical effect that the opening and closing effect of the connecting pipe is better is achieved.

The invention discloses a ground insertion type water-saving irrigation device, which comprises a water storage shell, a water supply pipe, a water supply pipe and a water supply pipe, and is characterized in that a static pressure water cavity is formed in the water storage shell; the insertion rod is connected to the lower part of the first shell; the water seepage adjusting assembly is arranged in the static pressure water cavity and comprises a ground spring valve element and a ground spring root blocking piece arranged at the lower end of the ground spring valve element, the ground spring root blocking piece is partially exposed out of the water storage shell, and the exposed part of the ground spring root blocking piece and the insertion rod form a plurality of gap flow channels used for water seepage; the ground spring root blocking piece contains a root blocking agent. The invention further discloses a ground inserting type water-saving ground spring, an irrigation system and an irrigation method. According to the irrigation device, the ground spring and the irrigation system, water is supplied to plants in a natural permeation mode, waste of spray irrigation and tank immersion is avoided, the problem of insufficient water supply of a dripping tank is also avoided, meanwhile, the irrigation device, the ground spring and the irrigation system can be arranged underground, and water evaporation caused by exposure outside is avoided.

The utility model relates to the technical field of water-saving controllers, in particular to a water-saving irrigation controller which comprises a base, supporting rods are fixedly installed at the four corners of the upper surface of the base, a cabinet body is fixedly installed at the top ends of the supporting rods, a cabinet door is hinged to the front face of the cabinet body, and a heat dissipation pipe is fixedly installed on the bottom wall of the cabinet body. The bottom end of the heat dissipation pipe extends to the outside of the cabinet body, two dustproof nets are fixedly installed in the heat dissipation pipe, a fan is arranged between the two dustproof nets, an air outlet pipe is fixedly installed on the top wall of the cabinet body, and the top end of the air outlet pipe extends to the upper portion of the cabinet body. According to the water-saving irrigation controller, the heat dissipation pipe and the air outlet pipe are arranged on the cabinet body, so that the interior of the cabinet body is conveniently communicated with the outside, air in the cabinet body is conveniently driven to flow by starting the fan, the irrigation controller installed in the cabinet body is cooled, and the situation that the irrigation controller generates a large amount of heat after working for a long time is prevented; and the normal work is influenced.

1. The name of the design product: irrigation sprinkler. 2. The use of the design product: water-saving irrigation sprinkler for irrigation. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The application discloses a water-saving irrigation device capable of coping with crops with different densities and a method thereof, and belongs to the technical field of irrigation devices. The water-saving irrigation device comprises a U-shaped pipe, the upper end of the U-shaped pipe is provided with a continuous water supply assembly for ensuring continuous water supply to plants, the continuous water supply assembly comprises a water spraying irrigation device and a sealing blockage alarm device, the U-shaped pipe is connected with the water spraying irrigation device, and the water spraying irrigation irrigation device is connected with the sealing blockage alarm device. An irrigation adjusting device for adjusting plant irrigation is arranged on the U-shaped pipe. A fertilizer stirring and conveying device for providing the device with fertilizer is arranged on the irrigation adjusting device. A feeding device for conveying fertilizer into the device is arranged on the fertilizer stirring and conveying device. In the above manner, when the device is blocked, the standby device is started to supply water to the plants, so that the death of the plants caused by uneven irrigation is avoided, and when the standby device is started, an alarm is sent in a timely manner to remind the staff to replace the device.

1. The name of the design product: drip irrigation. 2. The use of the design product: water-saving irrigation device for forestry. 3. The design features of the design product: shape. 4. The picture or photo that best indicates the design features: perspective view.

This invention discloses a high-efficiency water-saving irrigation device for agricultural plant protection machinery, relating to the field of irrigation devices. It includes a fertilizer tank, with a nozzle connected to its outer side via a pipe. A movable cavity is located at the bottom of the fertilizer tank, and a movable plate is movably mounted inside the cavity via a movable component. Support legs are fixed to the lower side of the movable plate with screws. The movable plate also has a square cavity and an oil injection channel. An oil filling component is located inside the fertilizer tank. In this invention, the support legs fixedly connected to the movable plate can be simultaneously extended or retracted, allowing for flexible and convenient adjustment of the support span of the entire device. This design enables the device to stably adapt to planting areas of different sizes and row spacings, significantly improving the versatility and deployment efficiency of the equipment in different field environments. The built-in lubrication system allows for maintenance without disassembling parts, greatly simplifying the maintenance process and extending the service life of the core moving mechanism of the device.

The application relates to the field of water-saving irrigation technology, in particular to a floating type alternating switching water-saving irrigation device and an irrigation method thereof. The device comprises a water supply pipe, an inlet pipe and a lower discharge pipe connected to the side wall of the water supply pipe, and a partition plate arranged in the water supply pipe; a piston disc is slidingly and sealingly arranged in the water supply pipe, and the piston disc divides the pipeline above the partition plate in the water supply pipe into an upper conveying chamber and a lower conveying chamber; a first conduit and a second conduit are arranged on the side wall of the water supply pipe and are connected to the lower conveying chamber and the upper conveying chamber respectively; a sprinkling irrigation mechanism is arranged in the water supply pipe and is connected to the piston disc; a conduction control mechanism is arranged in the water supply pipe and is connected to the piston disc, a trigger switching mechanism is arranged on the conduction control mechanism, the conduction state of the first conduit and the second conduit is adjusted, the position of the piston disc is changed, and the sprinkling irrigation pressure and the sprinkling range are changed through the sprinkling irrigation mechanism.

The invention belongs to the technical field of agriculture, and discloses a sweet potato cultivation water-saving irrigation device which comprises a water-saving irrigation bin assembly, a cultivation bin assembly is arranged on the water-saving irrigation bin assembly in a swinging mode, the cultivation bin assembly is arranged on the water-saving irrigation bin assembly in a swinging mode, and through inclined swinging of the cultivation bin assembly on the water-saving irrigation bin assembly, the water-saving irrigation bin assembly can be used for irrigation of sweet potatoes. According to the water-saving irrigation device for the sweet potatoes, the cultivation bin assemblies vertically swing on the water-saving irrigation bin assembly, so that the cultivation bin assemblies form a drip irrigation structure which is longitudinally arranged in a stacked mode on the water-saving irrigation bin assembly, and through the structure, during irrigation, the water-saving irrigation bin assembly is not prone to falling off during irrigation, and therefore the water-saving irrigation device for the sweet potatoes is convenient to use. Water dripping from the upper cultivation long bin can drip into the lower cultivation long bin, water in the lowermost cultivation long bin drips into the irrigation bin and is filtered through the filter plate, and the filtered water is re-pumped and utilized through the water suction pump.

The invention relates to a low-cost greenhouse system constructed by concrete poles and steel bars and provided with a sunshade net and high-voltage physical weeding. The system is composed of a light-transmitting diaphragm plate system, a sunshade net system, a foldable heat preservation system, a water-saving irrigation system and a high-voltage physical weeding system. A main body of the light-transmitting diaphragm plate system is jointly built by the concrete electric poles and the reinforcing steel bars; a sunshade net and a heat preservation system are formed by shared telegraph poles and steel bars, and meanwhile a water-saving irrigation system and a high-voltage physical weeding system are further arranged. The concrete pole and the reinforcing steel bars are jointly built, so that multiple purposes are achieved, and the cost is reduced. Meanwhile, the concrete electric pole and the reinforcing steel bars are long in service life, and can bear strong wind with certain strength due to the firm concrete electric pole and a tough reinforcing steel bar system in strong wind and snowy weather; when heavy snow is encountered, accumulated snow presses the firm canvas or tarpaulin, the weight of the heavy snow can be borne, and the canvas or the tarpaulin cannot be crushed. The system has the advantages of low cost, modularization and short construction period.