Water and fertilizer integrated orchard irrigation system

Abstract

The application relates to the technical field of agricultural irrigation equipment, in particular to a water and fertilizer integrated orchard irrigation system, which comprises a water and fertilizer supply assembly and an irrigation pipe network, wherein the water and fertilizer supply assembly comprises a water and fertilizer storage unit, the water and fertilizer storage unit comprises a water source storage device and a fertilizer storage device, a mixing unit, the mixing unit comprises a supply device, a mixing tank, a stirring device, a filter suction device and a conveying pipe, and a dredging unit, the dredging unit comprises a sealing device, a piston block and a sealing filling device. Through the arrangement of the mixing unit, the water and fertilizer are precisely controlled in an integrated manner; the water and fertilizer entering the irrigation pipe network is preliminarily filtered through the filter suction device, so that the pipeline blockage condition is reduced; when the pipeline is blocked, the pipeline is closed through the sealing device, the filter suction device is controlled to switch the liquid flow direction, the piston block is driven to move in the conveying pipe, and the pipeline is dredged, so that manual cleaning is avoided, and the maintenance difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of agricultural irrigation equipment, in particular to a water and fertilizer integrated orchard irrigation system. BACKGROUND

[0002] With the development of agricultural modernization, the application of water and fertilizer integrated technology in orchards has gradually become an important means to improve the production efficiency of fruit trees. The traditional irrigation system and fertilization system are often operated separately in orchard management, which has the problem of incoordination between watering and fertilization, and often needs manual intervention, which is complex and time-consuming and labor-intensive. Therefore, the emergence of water and fertilizer integrated system provides an efficient, water-saving and fertilizer-saving solution for orchard management, which can greatly improve the utilization rate of water resources and the absorption efficiency of fertilizers through scientific and reasonable irrigation and fertilization combination.

[0003] In the traditional water and fertilizer integrated system, due to the easy occurrence of blockage in the water and fertilizer mixing tank, especially the problems of fertilizer component deposition and impurity accumulation, which can cause the blockage of water and fertilizer output pipeline, affecting the water and fertilizer conveying efficiency, when this problem occurs, manual intervention is often needed to replace the pipeline, which increases the maintenance cost and is low in working efficiency. SUMMARY

[0004] The purpose of the present application is to provide a water and fertilizer integrated orchard irrigation system to solve the problems raised in the background technology.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A water and fertilizer integrated orchard irrigation system, comprising a water and fertilizer supply assembly and an irrigation pipe network, the water and fertilizer supply assembly is used for inputting fertilizer into the irrigation pipe network, the irrigation pipe network is used for irrigating the fertilizer, the water and fertilizer supply assembly comprises: a water and fertilizer storage unit, the water and fertilizer storage unit comprises a water source storage device and a fertilizer storage device, the water source storage device is used for storing water required for irrigation, and the fertilizer storage device is used for storing fertilizer;

[0007] A mixing unit, the mixing unit comprises a supply device, a mixing tank, a stirring device, a filtering and sucking device and a conveying pipe, the supply device is used for supplying water in the water source storage device and fertilizer in the fertilizer storage device to the mixing tank in proportion, the stirring device is used for stirring and mixing water and fertilizer in the mixing tank, the filtering and sucking device is used for sucking water and fertilizer in the mixing tank into the conveying pipe after filtering, and the conveying pipe and the irrigation pipe network are connected with each other;

[0008] The dredging unit is arranged in the conveying pipe, and comprises a closing device, a piston block and a sealing filling device; the closing device is used to drive the piston block to close the conveying pipe when the conveying pipe is blocked; the filter suction device is controlled to switch the liquid flow direction, so as to drive the piston block to move in the conveying pipe; and the sealing filling device is used to seal the connecting position of the piston block and the conveying pipe by using water and fertilizer in the conveying pipe.

[0009] Preferably, the irrigation pipe network comprises a main pipe and a plurality of branch pipes, the conveying pipe and the main pipe are connected to each other, and each branch pipe is provided with a plurality of spray heads.

[0010] Preferably, the water source storage device comprises a water tank, the fertilizer storage device comprises a fertilizer storage tank, the supply device comprises a centrifugal pump, the centrifugal pump is arranged at the outlet of the water tank and the fertilizer storage tank, and the centrifugal pump is connected to the mixing tank through a pipeline.

[0011] Preferably, the stirring device comprises a stirring motor, a stirring main shaft and stirring blades; the stirring motor is arranged in the mixing tank and is used to drive the stirring main shaft to rotate; the stirring main shaft is provided with a plurality of stirring blades; and the stirring blades are provided with a plurality of spiral holes.

[0012] Preferably, the stirring main shaft is provided with a suction cavity, the filter suction device comprises an annular filter screen and a screw pump; the annular filter screen is arranged in the suction cavity and is used to filter liquid fertilizer entering the suction cavity; and the conveying pipe is connected to the suction cavity and the screw pump at two ends.

[0013] Preferably, the conveying pipe is symmetrically provided with a sliding groove; the piston block comprises a fixed part and a moving part; the fixed part is fixedly connected to the sliding block through a mounting frame; the moving part is movably connected to the fixed part; the sliding block is connected to the sliding groove; and a reset spring is arranged in the sliding groove and is used to drive the sliding block to reset.

[0014] Preferably, the closing device comprises a closing push rod, a magnetic block and a butt joint sensor; the closing push rod is arranged in the fixed part and is used to drive the moving part to move; the fixed part and the moving part are both provided with a magnetic block; the magnetic block arranged in the fixed part and the magnetic block arranged in the moving part can be mutually adsorbed; and the butt joint sensor is used to detect the positions of the fixed part and the moving part.

[0015] Preferably, the sealing filling device comprises a filter membrane, a diaphragm pump and an annular water bag, the diaphragm pump is arranged in the moving part, the filter membrane is arranged at the liquid inlet end of the diaphragm pump, the diaphragm pump is connected to the annular water bag, the diaphragm pump is used for inputting the liquid in the conveying pipe into the annular water bag, and the annular water bag is arranged outside the piston block.

[0016] Compared with the prior art, the application has the beneficial effects that: through the setting of the mixing unit, the application realizes the precise regulation and control of water and fertilizer integration, through the accurate control of the supply of water and fertilizer, it is ensured that water and fertilizer can uniformly penetrate into the soil, greatly reducing the waste of water and fertilizer, improving the use efficiency of resources, and at the same time, through the preliminary filtration of the water and fertilizer entering the irrigation pipe network by the filter suction device, the blockage of the conveying pipe is preliminarily reduced, when the pipe is blocked, the conveying pipe is closed by the closing device, and the filter suction device is switched to drive the piston block to move in the conveying pipe to dredge the pipe, avoiding manual cleaning, reducing the maintenance difficulty and cost, and effectively improving the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a connection structure schematic view of the water and fertilizer integrated orchard irrigation system of the application;

[0018] Figure 2 It is a shaft structure schematic view of the mixing tank of the application;

[0019] Figure 3 It is a position structure schematic view of the screw pump, the main shaft and the annular filter screen of the application;

[0020] Figure 4 It is a connection structure schematic view of the main shaft and the annular filter screen of the application;

[0021] Figure 5 It is an internal structure schematic view of the conveying pipe (the conveying pipe is processed in perspective);

[0022] Figure 6 It is a connection structure schematic view of the fixed part, the mounting frame and the sliding block of the application;

[0023] Figure 7 It is a position structure schematic view of the fixed part and the moving part of the application;

[0024] Figure 8 It is an explosion structure schematic view of the fixed part and the moving part of the application (the magnetic attraction blocks of the fixed part and the moving part are marked respectively in the figure).

[0025] In the figure: 1 mixing tank, 2 conveying pipe, 301 fixed part, 302 moving part, 303 mounting frame, 4 main pipe, 5 branch pipe, 6 spray head, 7 water tank, 8 fertilizer tank, 9 centrifugal pump, 10 stirring motor, 11 stirring main shaft, 12 stirring blade, 13 annular filter screen, 14 screw pump, 15 sliding block, 16 return spring, 17 closed push rod, 18 magnetic suction block, 19 butt joint sensor, 20 filter membrane, 21 diaphragm pump, 22 annular water bag, 201 sliding groove, 1101 suction cavity, 1201 spiral hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-8 , the present application provides a technical solution:

[0028] A water and fertilizer integrated orchard irrigation system, as shown in the accompanying drawings of the specification, Figure 1 includes a water and fertilizer supply assembly and an irrigation pipe network, the water and fertilizer supply assembly is used for inputting fertilizer into the irrigation pipe network, and the irrigation pipe network is used for irrigating the fertilizer, the water and fertilizer supply assembly includes: a water and fertilizer storage unit, the water and fertilizer storage unit includes a water source storage device and a fertilizer storage device, the water source storage device is used for storing water required for irrigation, and the fertilizer storage device is used for storing fertilizer;

[0029] A mixing unit, the mixing unit includes a supply device, a mixing tank 1, a stirring device, a filtering and sucking device and a conveying pipe 2, in this embodiment, the mixing tank 1 is used for mixing water and liquid nitrogen fertilizer, the supply device is used for supplying water in the water source storage device and fertilizer in the fertilizer storage device to the mixing tank 1 in proportion, the stirring device is used for stirring and mixing water and fertilizer in the mixing tank 1, the filtering and sucking device is used for sucking water and fertilizer in the mixing tank 1 into the conveying pipe 2 after filtering, and the conveying pipe 2 and the irrigation pipe network are connected with each other;

[0030] A dredging unit, the dredging unit is arranged in the conveying pipe 2, the dredging unit includes a closing device, a piston block and a sealing filling device, the closing device is used for driving the piston block to close the conveying pipe 2 when the conveying pipe 2 is blocked, the filtering and sucking device is used for switching the liquid flow direction to drive the piston block to move in the conveying pipe 2, and the sealing filling device is used for sealing the connection position of the piston block and the conveying pipe 2 by using water and fertilizer in the conveying pipe 2, so as to ensure the sealing between the piston block and the conveying pipe 2 when the piston block moves.

[0031] The water and fertilizer integrated orchard irrigation system in the present application adopts the form of sprinkling irrigation for fertilization, so the irrigation pipe network includes a main pipe 4 and a plurality of branch pipes 5, the main pipe 4 and the conveying pipe 2 are in communication with each other, the branch pipe 5 is a plastic hose, each branch pipe 5 is provided with a plurality of spray heads 6, the spray head 6 and the branch pipe 5 are connected with each other through an electromagnetic valve, the communication between the spray head 6 and the branch pipe 5 is cut off by closing the electromagnetic valve, and only a part of the branch pipes 5 is shown in the accompanying drawings of the specification for the convenience of display. Figure 1

[0032] The water source storage device includes a water tank 7 for storing water required for irrigation, the fertilizer storage device includes a fertilizer storage tank 8 for storing fertilizer, the fertilizer storage tank 8 stores soluble solid or high-concentration liquid fertilizer which has been preliminarily dissolved, the supply device includes a centrifugal pump 9 for pumping the liquid in the water tank 7 or the fertilizer storage tank 8 into the mixing tank 1, and the centrifugal pump 9 is arranged at the outlet of the water tank 7 and the fertilizer storage tank 8 and connected to the mixing tank 1 through a pipe.

[0033] The stirring device includes a stirring motor 10, a stirring main shaft 11 and stirring blades 12, the stirring motor 10 is a three-phase asynchronous motor and is suitable for the stirring device in the present application, the stirring motor 10 is fixedly connected to the bottom of the mixing tank 1 through a steel frame, the stirring motor 10 is used to drive the stirring main shaft 11 to rotate, the stirring main shaft 11 is fixedly connected to the output end of the stirring motor 10, a plurality of stirring blades 12 are arranged on the stirring main shaft 11, the stirring blades 12 are used to stir the water and the liquid fertilizer in the mixing tank 1, a plurality of helical holes 1201 are arranged on the stirring blades 12, and the helical holes 1201 are used to form turbulent flow during stirring, thereby enhancing the mixing efficiency of the water and the liquid fertilizer.

[0034] The stirring main shaft 11 is provided with a suction cavity 1101, the suction cavity 1101 is used for extracting water and fertilizer, the filtering and sucking device includes an annular filter screen 13 and a screw pump 14, the annular filter screen 13 is arranged in the suction cavity 1101 and used to filter the liquid fertilizer entering the suction cavity 1101, so as to prevent large particles of fertilizer from entering the conveying pipe 2 and causing blockage, the conveying pipe 2 is used to connect the suction cavity 1101 and the screw pump 14, and the conveying pipe 2 is connected to the suction cavity 1101 and the screw pump 14 at both ends, and one end of the stirring main shaft 11 is rotatably connected to the screw pump 14, so that the screw pump 14 is not driven to move when the stirring main shaft 11 moves, and the screw pump 14 is a single-screw pump 14, so that it can output in both directions.

[0035] ​The conveying pipe 2 is symmetrically provided with a sliding groove 201 for limiting the movement of the sliding block 15, so that the sliding block 15 can only move along the sliding groove 201. The piston block comprises a fixed part 301 and a moving part 302. The fixed part 301 is fixedly connected to the sliding block 15 through a mounting frame 303. The moving part 302 is movably connected to the fixed part 301. The sliding block 15 is connected to the sliding groove 201. A rubber sealing ring is arranged at the connection between the sliding block 15 and the sliding groove 201, so that the sliding groove 201 does not affect the sealing when transmitting. A return spring 16 is arranged in the sliding groove 201. The return spring 16 is used to drive the sliding block 15 to reset.

[0036] The sealing device comprises a sealing push rod 17, a magnetic block 18 and a docking sensor 19. The sealing push rod 17 is arranged on the fixed part 301. The sealing push rod 17 is used to drive the moving part 302 to move. The sealing push rod 17 is a waterproof direct-current hydraulic push rod. The fixed part 301 and the moving part 302 are both provided with the magnetic block 18. The magnetic block arranged on the fixed part 301 and the magnetic block arranged on the moving part 302 can be mutually attracted. The docking sensor 19 is used to detect the position of the fixed part 301 and the moving part 302.

[0037] The sealing and filling device comprises a filter membrane 20, a diaphragm pump 21 and an annular water bag 22. The diaphragm pump 21 is arranged in the moving part 302. The filter membrane 20 is arranged at the liquid inlet end of the diaphragm pump 21. The diaphragm pump 21 is connected to the annular water bag 22. The diaphragm pump 21 is used to input the liquid in the conveying pipe into the annular water bag 22. The annular water bag 22 is arranged outside the piston block. The annular water bag 22 is made of rubber and has a certain ductility. One side of the annular water bag 22 is fixedly connected to the fixed part 301. The inner walls of the two sides of the annular water bag 22 are fixedly connected to the moving part 302.

[0038] Working principle: when in use, the water and the fertilizer are pumped into the mixing tank 1 in proportion through the centrifugal pump 9. The stirring motor 10 drives the stirring main shaft 11 to move, thereby driving the stirring blade 12 to mix the water and the fertilizer.

[0039] When irrigation is needed, the screw pump 14 is started to pump the water and fertilizer into the conveying pipe 2, so as to be conveyed into the main pipeline 4 and input into the spray head 6 through the branch pipe 5.

[0040] When it is necessary to dredge, the electromagnetic valve of the spray head 6 is closed, then the moving part 302 is rotated by the closed push rod 17, so that the magnetic blocks 18 arranged on the fixed part 301 and the moving part 302 are attracted to each other, after the butt joint sensor 19 detects that the attraction is completed, the diaphragm pump 21 is opened to suck the liquid in the conveying pipe 2 into the annular water bag 22, the dynamic seal between the conveying pipe 2 and the piston block is completed, after the seal is completed, the screw pump 14 is reversed to extract the air between the piston block and the screw pump 14; by controlling the screw pump 14 to rotate forward and reverse at the same time, the piston block is driven to reciprocate in the conveying pipe 2, so as to generate pressure fluctuation in the main pipeline 4, which can exert pressure on the blockage to loosen and disperse it, then the electromagnetic valves of the spray heads 6 are opened in turn until all the spray heads 6 can stably spray water and fertilizer.

[0041] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A water and fertilizer integrated orchard irrigation system, comprising a water and fertilizer supply assembly and an irrigation pipe network, the water and fertilizer supply assembly is used to input fertilizer into the irrigation pipe network, and the irrigation pipe network is used to irrigate the fertilizer, characterized in that: the water and fertilizer supply assembly comprises a water and fertilizer storage unit, the water and fertilizer storage unit comprises a water source storage device and a fertilizer storage device, the water source storage device is used to store water required for irrigation, and the fertilizer storage device is used to store fertilizer; a mixing unit, the mixing unit comprises a supply device, a mixing tank, a stirring device, a filtering and sucking device and a conveying pipe, the supply device is used to supply water in the water source storage device and fertilizer in the fertilizer storage device to the mixing tank in proportion, the stirring device is used to stir and mix water and fertilizer in the mixing tank, the filtering and sucking device is used to suck the water and fertilizer in the mixing tank into the conveying pipe after filtering, and the conveying pipe and the irrigation pipe network are connected with each other; a dredging unit, the dredging unit is arranged in the conveying pipe, and the dredging unit comprises a closing device, a piston block and a sealing filling device, the closing device is used to drive the piston block to close the conveying pipe when the conveying pipe is blocked, the filtering and sucking device is used to switch the flow direction of liquid to drive the piston block to move in the conveying pipe, and the sealing filling device is used to seal the connection position of the piston block and the conveying pipe by using the water and fertilizer in the conveying pipe; the conveying pipe is symmetrically provided with a sliding groove, a sliding block is arranged in the sliding groove, the piston block comprises a fixed part and a moving part, the fixed part is fixedly connected to the sliding block through a mounting frame, the moving part is movably connected to the fixed part, the sliding block is connected to the sliding groove, and a reset spring is arranged in the sliding groove and used to drive the sliding block to reset; the closing device comprises a closing push rod, a magnetic block and a butt joint sensor, the closing push rod is arranged in the fixed part and used to drive the moving part to move, the fixed part and the moving part are both provided with the magnetic block, the magnetic block arranged in the fixed part and the magnetic block arranged in the moving part can be attracted to each other, and the butt joint sensor is used to detect the positions of the fixed part and the moving part; the sealing filling device comprises a filter membrane, a diaphragm pump and an annular water bag, the diaphragm pump is arranged in the moving part, the filter membrane is arranged at the liquid inlet end of the diaphragm pump, the diaphragm pump is connected to the annular water bag, the diaphragm pump is used to input the liquid in the conveying pipe into the annular water bag, and the annular water bag is arranged outside the piston block. The irrigation pipe network comprises a main pipe and a plurality of branch pipes, the conveying pipe and the main pipe are connected with each other, and each branch pipe is provided with a plurality of spray heads. The water source storage device comprises a water tank, the fertilizer storage device comprises a fertilizer storage tank, the supply device comprises a centrifugal pump, the centrifugal pump is arranged at the outlet of the water tank and the fertilizer storage tank, and the centrifugal pump is connected to the mixing tank through a pipeline. ​ ​ ​ ​ 2. The water and fertilizer integrated orchard irrigation system according to claim 1, characterized in that: ​ 3. The water and fertilizer integrated orchard irrigation system according to claim 1, characterized in that: ​ 4. The water and fertilizer integrated orchard irrigation system according to claim 1, characterized in that: The stirring device comprises a stirring motor, a stirring main shaft and stirring blades, the stirring motor is arranged in the mixing tank, the stirring motor is used to drive the stirring main shaft to rotate, a plurality of stirring blades are arranged on the stirring main shaft, and a plurality of spiral holes are arranged on the stirring blades.

5. The water and fertilizer integrated orchard irrigation system according to claim 4, characterized in that: The stirring main shaft is provided with a suction cavity, the filtering and sucking device comprises an annular filter screen and a screw pump, the annular filter screen is arranged in the suction cavity, the annular filter screen is used to filter the liquid fertilizer entering the suction cavity, and the conveying pipe is connected to the suction cavity and the screw pump at two ends.

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