25 results about "Continuous irrigation" patented technology

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

The invention relates to a medical continuous irrigation system (10) with an inner shaft (20) having a wall (21), a distal end (20a), a proximal end (20b), an inner shaft outer diameter (ISA) and an inner shaft length (ISL), and an outer shaft (40) having a wall (41), a distal end (40a), a proximal end (40b), an outer shaft inner diameter (ASI) and an outer shaft length (ASL), wherein a first connecting piece (30) is arranged at the proximal end (20b) of the inner shaft (20), which has a first axial through-opening (31) and on which a first connection (32) for an irrigation hose is arranged, wherein a second connecting piece (50) is arranged at the proximal end (40b) of the outer shaft (40), which has a second axial through-opening (51) for the inner shaft (20) and on which a second Connection (52) for a suction hose is arranged,and wherein at least one suction opening (46) is arranged in a section (45) of the wall (41) of the outer shaft (40) adjacent to the distal end (40a), wherein the distal end (20a) of the inner shaft (20) comprises an end face (23) on which a microchip (60) with at least one image-capturing area (61) and at least one light-emitting area (62) is arranged.

This application relates to the field of agricultural irrigation and soil water and salt management technology, and discloses a method for coordinated regulation of water and salt in the root zone of jujube trees based on continuous vertical pipe irrigation. The method includes: deploying vertical pipes around the main root zone of the jujube tree to continuously supply slightly saline water; obtaining meteorological theoretical water consumption demand and headstock observation flow rate, identifying effective infiltration flow rate and calculating the total external salt mass; constructing surface state quantities, transient transitional inventory in the main root protection zone, and deep state quantities, disassembling the total external salt mass and updating the above state quantities; calculating the freshwater maintenance capacity factor and isolation integrity index, obtaining surface overload contribution items and deep overload contribution items; when the isolation state of the main root zone is determined to be ineffective, comparing the surface overload contribution item with the deep overload contribution item, and outputting a matching hydraulic regulation command. This invention overcomes the defect of soil sensors being prone to corrosion and failure, improves the accuracy of salt distribution measurement, achieves targeted hydraulic remediation, and avoids secondary hydrological hazards caused by flood irrigation.

The utility model discloses an intelligent water and fertilizer integrated irrigation and fertilization machine, and belongs to the technical field of irrigation and fertilization equipment. The device comprises a cart and a storage mechanism, the storage mechanism is arranged in the cart and comprises a connecting plate, the bottom of the connecting plate is connected with a sealing sleeve, water tanks are arranged at the front and rear ends of the left side of the bottom of the sealing sleeve, water-fertilizer boxes are arranged at the front and rear ends of the right side of the bottom of the sealing sleeve, and the tops of the water tanks and the tops of the water-fertilizer boxes extend into the sealing sleeve. By arranging the storage mechanism, water and water fertilizer can be stored, the irrigation time of the irrigation tank is prolonged, then the water and the water fertilizer are conveyed into the irrigation and fertilization mechanism through the conveying mechanism, the feeding effect is achieved, the irrigation and fertilization mechanism can conduct continuous irrigation, and the irrigation and fertilization machine can independently store the water, the water and the water when an operator uses the irrigation and fertilization machine.

Provided is a method for using a double-cannula continuous irrigation and negative-pressure suction liquid culture medium kit, which comprises preparation work, collection of a drainage solution of an aerobic culture flask, and collection of a drainage solution of an anaerobic culture flask. The preparation work is as follows: checking patient information and preparing negative pressure tools. The collection of a drainage solution of an aerobic culture flask is as follows: directly collecting the drainage solution using a negative pressure. The collection of a drainage solution of an anaerobic culture flask is as follows: first, collecting the drainage solution using a negative pressure, and then removing air in the drainage solution using an air removal assembly. A culture flask placement box is used for storing a culture flask containing an aerobic culture solution and a culture flask containing an anaerobic culture solution. The two culture flasks are combined and placed in one box, and the two culture flasks can be separately opened for direct use during sample collection, such that the operation is simple and convenient; a negative pressure connector and a liquid inlet connector are used for being directly connected to a negative pressure pipe and double cannulas, achieving negative-pressure collection of the drainage solution; extraction can be completed in one go, and operation can be completed by a single person, thereby preventing medical personnel from contacting the drainage solution while preventing the drainage solution from contacting the outside. Therefore, occupational exposure is avoided, and secondary pollution is also avoided.

The invention relates to the technical field of agricultural irrigation equipment, in particular to an adjustable drip irrigation device for agricultural planting, one side of the middle of a storage box is fixedly connected with a driving motor through a support, the output end of the driving motor is fixedly connected with a driving rod, and the driving rod is rotatably connected into the storage box through a bearing; the device has the beneficial effects that the spiral fan blades, the multiple layers of mixing plates and the mixing rods are linked through the driving motor, a three-dimensional stirring structure is formed, sediments at the bottom of the box are cleaned in cooperation with a scraping plate, the problem of fertilizer caking is thoroughly solved, the water and fertilizer mixing uniformity is improved, and the fertilizer utilization rate is increased; crop root systems are prevented from being burnt by over-high local concentration; the double-layer grading sieve plate design is adopted to adapt to impurities and fertilizer particles with different particle sizes, and the structure that the sieve plates can be adjusted in a sliding mode is combined, so that the filtering adaptability and efficiency are improved, impurity penetration is effectively blocked, the dripper blocking probability is reduced, the equipment maintenance cost is reduced, and continuous irrigation is guaranteed.

The utility model relates to the technical field of garden irrigation devices, and discloses an efficient and energy-saving garden irrigation device which comprises a water storage tank, land and a first straight pipe, a plurality of through holes are formed in the upper end of the water storage tank, and a filter plate is fixedly arranged at the upper end of the water storage tank through bolts; a water level sensor is fixedly arranged at the position, close to one side, of the inner bottom face of the water storage tank, a device box is fixedly arranged in the middle of the upper end of the water storage tank, a fixing cylinder is fixedly arranged in the middle of the inner bottom face of the device box, and a second straight pipe is rotationally arranged in the middle of the upper end of the device box. According to the utility model, rainwater is collected through the water storage tank, the built-in water level sensor controls the first water inlet pipe electric control valve and the water pump to pump out the rainwater for irrigation, and after the water level of the water storage tank drops, the second water inlet pipe is connected with an urban water supply system to ensure continuous irrigation so as to save water resources; water is uniformly sprayed, so that local drought or excessive moisture is avoided.

The application is based on a complex supply-demand relationship canal system optimal water distribution method, the canal system includes a primary channel and multiple secondary channels, and is specifically implemented according to the following steps: collecting canal system water distribution data; establishing a canal system optimal water distribution model according to the canal system water distribution data; using a geatpy toolbox to realize a genetic algorithm to solve the canal system optimal water distribution model to obtain optimal water distribution time; and summarizing the data in the above steps to obtain a water distribution scheme. An irrigation mode of 'group rotation irrigation and group continuous irrigation' is adopted, a complex supply-demand relationship canal system optimal water distribution model is established, the travel time of water in the canal is added to the model, and finally the model is solved by using a genetic algorithm, so that the water distribution time meeting the complex supply-demand relationship is obtained.

The invention relates to a continuous irrigation system (10) for medical use, comprising: an inner shaft (20), which has a wall (21), a distal end (20a), a proximal end (20b), an inner shaft external diameter (ISA) and an inner shaft length (ISL); and an outer shaft (40), which has a wall (41), a distal end (40a), a proximal end (40b), an outer shaft internal diameter (ASI) and an outer shaft length (ASL), wherein at the proximal end (20b) of the inner shaft (20) there is a first connecting piece (30), which has a first axial through-opening (31) into which there opens a first connector (32) for an irrigation hose, wherein at the proximal end (40b) of the outer shaft (40) there is a second connecting piece (50), which has a second axial through-opening (51) for the inner shaft (20) and on which a second connector (52) for a suction hose is arranged, wherein at least one suction opening (46) is arranged in a portion (45) of the wall (41) of the outer shaft (40) adjoining the distal end (40a), and wherein, when the inner shaft (20) has been inserted into the outer shaft (40), an annular space (70) is formed between the inner shaft (20) and the outer shaft (40) and a portion (25) of the distal end (20a) of the inner shaft protrudes beyond the distal end (40a) of the outer shaft (40), wherein the distal end (20a) of the inner shaft (20) has a circumferential thickening (24) with an external diameter (VA) that corresponds to the outer shaft internal diameter (ASI), wherein at least one channel (60) with a first end (61) and a second end (62) is arranged in the thickening (24), and wherein the first end (61) of the channel (60) is arranged in the portion (25) and the second end (62) opens into the annular space (70).

Medical continuous irrigation system (10) with an inner shaft (20) having a wall (21), a distal end (20a), a proximal end (20b), an inner shaft outer diameter (ISA) and an inner shaft length (ISL), and an outer shaft (40) having a wall (41), a distal end (40a), a proximal end (40b), an outer shaft inner diameter (ASI) and an outer shaft length (ASL), wherein a first connection piece (30) is arranged at the proximal end (20b) of the inner shaft (20) having a first axial through-opening (31) into which a first connection (32) for an irrigation hose opens, wherein a second connection piece (50) is arranged at the proximal end (40b) of the outer shaft (40) having a second axial through-opening (51) for the inner shaft (20) and on which a second connection (52) is arranged for a suction hose,wherein at least one suction opening (46) is arranged in a section (45) of the wall (41) of the outer shaft (40) adjacent to the distal end (40a), and wherein, when the inner shaft (20) is inserted into the outer shaft (40), an annular space (70) is formed between the inner shaft (20) and the outer shaft (40), and the distal end (20a) of the inner shaft projects beyond the distal end (40a) of the outer shaft (40) with a section (25), wherein the inner shaft (20) has a circumferential thickening (24) at the distal end (20a) with an outer diameter (VA) corresponding to the inner diameter (ASI) of the outer shaft, wherein at least one channel (60) with a first end (61) and a second end (62) is arranged in the thickening (24), wherein the first end (61) of the channel (60) is arranged in the section (25), and the second end (62) opens into the ring space (70).

The invention relates to the technical field of water conservancy projects, and particularly discloses a trapezoidal open channel continuous flow dilatation structure and a construction method, the trapezoidal open channel continuous flow dilatation structure comprises a main frame, an inclined frame and a water baffle; the main frames are arranged at intervals along the trend of the trapezoidal open channel, each main frame comprises two stand columns and a connecting beam, the two stand columns are respectively fixed at the intersection of a bottom plate of the trapezoidal open channel and a slope toe of a side wall of the trapezoidal open channel, and the connecting beam is fixedly connected with the top ends of the two stand columns; the inclined frames are correspondingly arranged on the widened side of the trapezoidal open channel according to the positions of the main frames, each inclined frame comprises an inclined column and a pull rod, the inclined columns are fixed to the bottom ends of the stand columns, the inclination angles of the inclined columns are consistent with the gradient of the side walls of the trapezoidal open channel, and the pull rods are fixedly connected with the top ends of the inclined columns and the top ends of the stand columns; the water baffle is installed between the adjacent stand columns or the adjacent inclined columns on the widened side of the trapezoid open channel in a sealed mode to form a water retaining structure. According to the invention, the capacity expansion reconstruction construction of the trapezoidal open channel can be realized under the condition that the irrigation water supply is not interrupted.

The utility model discloses a small-sized negative pressure infiltrating irrigation device, which belongs to the technical field of infiltrating irrigation devices and comprises a water storage tank, the water storage tank is of an uncovered hollow cuboid structure, a water inlet pipe is fixed on the side wall of the water storage tank, and a float switch for controlling the water inlet pipe is mounted in the water storage tank; the small negative pressure infiltrating irrigation device comprises a water storage tank, a ceramic upper cover and a ceramic connecting part, the ceramic upper cover is fixedly embedded in the bottom end of the water storage tank, the bottom end of the ceramic upper cover is fixedly provided with the ceramic connecting part embedded in the water storage tank, and the ceramic upper cover and the ceramic connecting part are made of water absorption ceramics. Soil absorbs water from the ceramic upper cover, the ceramic upper cover absorbs water from the water storage tank, the water level of the water storage tank descends, the float switch is turned on, and the water inlet pipe starts to supply water, so that continuous irrigation can be realized, and when the soil is lack of water, automatic irrigation is realized underground, and the plant root system soil is always kept wet.

The utility model discloses a green roof vegetation planting structure which comprises a vegetation groove, partition plates are arranged at the corners of the vegetation groove, water diversion mechanisms are arranged in the partition plates, and water storage tanks are arranged on the inner sides of the corners of the vegetation groove. As long as water exists in the water storage tank, water can be continuously permeated and supplemented into the vegetation groove, the process of manual irrigation or irrigation pipeline laying for irrigation is omitted, manpower cost and money cost needed by green roof irrigation are saved, the water seepage speed of the water storage tank into the vegetation groove is controlled through the density material of the separation sponge and the like, and the water seepage efficiency is improved. Therefore, the water storage tanks can continuously supplement water to the soil layer of the planting mechanism, automatic continuous irrigation is achieved, the separation sponges can prevent soil in the vegetation grooves from entering the water storage tanks, the water storage tanks are kept in a clear state, the water storage tanks are communicated together through the communicating pipes, and the same water level can be kept in the water storage tanks.

The invention discloses an agricultural irrigation water-saving device, and relates to the technical field of water-saving irrigation. The device comprises a supporting assembly, an adjusting assembly arranged on the supporting assembly, an irrigation assembly arranged on the supporting assembly and the adjusting assembly, and a water storage assembly arranged on one side of the irrigation assembly. The supporting assembly fixes a cross rod through a liftable adjusting supporting leg. The adjusting assembly is linked with an electric telescopic rod through a telescopic fork structure, so that the irrigation width is flexibly adjusted; the irrigation assembly comprises a sliding irrigation frame and an alternate irrigation box, the alternate irrigation box alternately conveys water to an irrigation water pipe in a partitioned mode through a rotary partition plate driven by gravity, and intermittent irrigation is achieved; the water storage assembly supports alternate / continuous irrigation mode switching through a double-waterway design (a main water pipe and a continuous water pipe). Through mechanical partitioned irrigation, stepless adjustment of the height of the spray head and electric expansion of the coverage range, the water resource utilization rate is remarkably increased, and the irrigation requirements of different crop growth stages are met.

The utility model belongs to the technical field of agricultural irrigation equipment, and particularly relates to a folding irrigation spray gun truss which comprises a movable frame body, cantilevers are arranged on the two sides of the frame body, a plurality of cantilever spray heads are arranged on the lower sides of the cantilevers, and irrigation spray guns are arranged at the outer ends of the cantilevers. The water inlet pipe is connected with a frame body main pipe arranged on the frame body, two ends of the frame body main pipe are connected with cantilever water pipes, and the cantilever water pipes are used for supplying water to the cantilever nozzles and the irrigation spray guns. The cantilever is composed of a plurality of sections and can be folded. According to the foldable irrigation spray gun truss, the irrigation spray gun is introduced, so that the irrigation range can be obviously enlarged, and the irrigation efficiency is improved. The cantilever adopts a multi-section foldable design, so that the irrigation truss can be folded for avoiding when encountering an obstacle (such as a telegraph pole), then the irrigation truss is unfolded for continuous irrigation, and the operation convenience and the equipment adaptability are greatly improved.

This invention discloses a rotary multi-liquid automatic proportioning intelligent irrigation robot. The robot includes: a mobile trolley body; an electric telescopic rod with an irrigation nozzle mounted on top on the left side; a rotary liquid storage layer, a control layer, and a mixing layer arranged from top to bottom in the middle section; and a detachable waste liquid storage tank on the right side. A vision camera is installed above the tank. The rotary liquid storage layer is divided into six independent storage tanks, driven by a stepper motor to rotate and switch liquids. The control layer is equipped with a main microcontroller that communicates with a controller built into the electric telescopic rod via Bluetooth. The mixing layer contains a liquid level sensor and a stirring component for liquid proportioning and mixing. The device identifies plant species and growth status using the vision camera, transmits the data to the main microcontroller to obtain the required nutrient solution ratio, and performs precise quantitative mixing before irrigation. After irrigation, the device automatically cleans the mixing layer and discharges the waste liquid into the storage tank, repeating the process to achieve continuous irrigation for different plants. This invention has a compact structure, high flexibility, and is suitable for irrigation scenarios in small areas with multiple plant types.

The utility model discloses a water supply and drainage device which comprises an ecological wall body, a spraying pipe is fixedly connected to the outer surface of the ecological wall body, a spraying head is arranged at the bottom of the spraying pipe, a liquid storage box is fixedly installed on one side of the outer surface of the ecological wall body in an attached mode, a liquid storage cavity is formed in the liquid storage box, and a collecting groove is formed in the top of the liquid storage box. A fixing notch is formed in the bottom of the inner wall of the collecting tank, a filter screen frame is embedded in the fixing notch, a fixing table is fixedly connected to the outer surface of the liquid storage tank, and a water pump is arranged at the top of the fixing table. According to the device, through the arrangement of the liquid storage tank, the water pump, the water pumping pipe, the water conveying pipe, the fixing pipe and other structures, water can be conveniently conveyed into the spraying pipe and finally sprayed to the surface of the ecological wall from the position of the spraying head, spraying irrigation and moisturizing work is conducted on the ecological wall, and the structure can effectively guarantee irrigation uniformity; meanwhile, the ecological wall can be moisturized through continuous irrigation.

The application relates to a method for water-saving cultivation of paddy rice in saline-alkali soil, and belongs to the technical field of paddy rice cultivation. The method can effectively plant paddy rice in light and moderate saline-alkali soil through soil improvement of the saline-alkali soil, and can realize underground irrigation mode and ground irrigation mode, is simple to install, is easy to operate in the field, can irrigate according to the root growth depth of the paddy rice, can keep the root area of the paddy rice in a light salt or salt-free environment through precise irrigation, and can irrigate 8-10 times during the growth period of the paddy rice according to the natural rainfall, with an irrigation amount of about 280-320 m 3 / 667m 2 , more than 50% of water can be saved compared with common flooding irrigation, water and fertilizer integration can be realized during fertilizer application, water and fertilizer can be saved, and water and fertilizer efficiency can be improved, water resource utilization efficiency can be improved and the rice yield can be increased through control of irrigation time and depth. The water requirement characteristics of the paddy rice during each growth period can be flexibly adjusted, the rainfall utilization rate can be significantly improved compared with traditional continuous irrigation, the leakage amount can be reduced, and the waste of water resources can be reduced.

The invention discloses an agricultural water-saving automatic irrigation valve for agricultural planting, which relates to the technical field of irrigation valves, and adopts an oval valve core, a pressed sliding sleeve, an electromagnetic action component, an inner and outer sleeve through pipe and a central flow channel as key structures, and a three-way valve shell is connected in series with a water receiving port through a water inlet to form a continuous irrigation pipeline; the water outlet is connected with a water-saving type water spraying switch, and by means of the rubber elasticity characteristic of the oval valve element, through opening matching of the nested type through pipe and driving of the electromagnetic action assembly, the functions of water pressure buffering, dynamic flow adjustment and pressure stabilizing compensation are achieved; the technical problems that mechanical sealing of an existing automatic irrigation valve is prone to abrasion, flow adjusting precision of a single channel is low, and irrigation is uneven due to water pressure fluctuation when multiple sprayers work are solved, and on the basis that the irrigation requirement is met, the problem that irrigation water is wasted too much or too low or insufficient is solved.

The invention relates to the technical field of agricultural garden irrigation, and discloses a plant growth stage-based water and fertilizer demand dynamic proportioning irrigation system, which comprises a sleeve barrel, the bottom end of the sleeve barrel is fixedly connected with a support frame, the interior of the upper side of the sleeve barrel is fixedly connected with an air pump, and the output end of the air pump is connected with a pesticide storage box. The exterior of the medicine storage box is fixedly connected to the interior of the upper side of the sleeve barrel, a connecting assembly is fixedly connected to the interior of the bottom end of the medicine storage box, the exterior of the connecting assembly penetrates through a baffle and the interior of the medicine storage box, a motor is fixedly connected to the exterior of the medicine storage box, and a grinding assembly is connected to the output end of the motor; the bottom end of the grinding assembly is fixedly connected with a first water seepage mechanism. The grinding assembly reversely runs to drive the first water seepage mechanism to rotate, frequency control over opening and closing of the water seepage holes is achieved, water and fertilizer mixed liquid is supplied to plants in an intermittent seepage mode, and root system oxygen deficit or nutrient loss caused by continuous irrigation is avoided.

The utility model relates to a water conservancy ecological slope protection structure, and relates to the technical field of ecological slope protection, the water conservancy ecological slope protection structure comprises a slope body, a plurality of slope protection plates are arranged on the inclined surface of the slope body, a plurality of planting areas used for planting vegetation are arranged on the slope protection plates, reinforcing plates are arranged at the bottoms of the slope protection plates, and a water inlet groove is formed in the top of the slope body; a water inlet groove is formed in the slope body, a filter plate is installed at the top of the water inlet groove, a water storage pond is arranged in the slope body, the water inlet groove is communicated with the water storage pond, a water outlet pipe is connected to one side of the water storage pond, a plurality of branch pipes are connected to the water outlet pipe and extend out of the planting area, and spray heads are connected to the output ends of the branch pipes. According to the irrigation device, automatic irrigation can be achieved, the tedious operation that a worker drags a water pipe for irrigation is avoided, a large amount of physical strength and time are saved, and the effect of efficient and continuous irrigation operation is achieved.

This invention provides a brain tissue dilator for continuous irrigation and suction during cerebral hemorrhage surgery, comprising a sheath with a hollow, frustum-shaped structure; the outer diameter of the distal endoscopic section of the sheath is smaller than that of the proximal endoscopic section, and the sheath also has an annular sealed channel; an inner core tube; an irrigation-suction control unit including a connecting tube sealed and fixed to the outer wall of the sheath, the connecting tube having parallel and isolated inlet and outlet, the inlet being connected to the irrigation channel, the outlet being connected to the suction channel, and the inlet being connected to a positive pressure irrigation port through a first branch pipe, the outlet being connected to a negative pressure suction port through a second branch pipe; and a fixed handle located on the outer wall of the sheath away from the connecting tube. This invention allows the surgeon to flexibly adjust the irrigation and suction operations according to the nature of the hematoma and the bleeding situation, improving the efficiency of hematoma removal.

The application discloses a kind of agricultural irrigation water-saving devices, it is related to water-saving irrigation technical field.The present application includes support assembly, and is arranged on the adjusting assembly of support assembly, and is arranged on the irrigation assembly of support assembly and adjusting assembly and is arranged on the water storage component of irrigation assembly side.Support assembly is fixed horizontal pole by adjustable adjusting support leg;Adjusting assembly is linked electric telescopic rod by telescopic fork structure, and the flexible adjustment of irrigation width is realized;Irrigation assembly includes sliding irrigation frame and alternate irrigation box, wherein alternate irrigation box is alternately transported to irrigation water pipe by the water partition of gravity-driven rotating partition plate, and realizes intermittent irrigation;Water storage component supports alternate / continuous irrigation mode switching by double waterway design (main water pipe+continuous water pipe).The present application significantly improves water resource utilization by mechanical zoning irrigation, stepless adjustment of height of sprinkler and electric expansion of coverage range, and adapts to the irrigation needs of different crop growth stages.