A water-fertilizer integrated drip irrigation system for plant cultivation

Abstract

The present invention discloses a water-fertilizer integrated drip irrigation system for plant cultivation, including a water replenishment device and a fertilizer dissolving device; the water replenishment device includes a water tank and a water tank cover, the water tank is divided into a purification cavity and a plurality of filter cavities by a filter plate, and a water pump is correspondingly arranged in the purification cavity; the discharge port of the water pump is connected to a diverter valve 1 through a solenoid valve 1; a plurality of diverter valves 2 are connected in series to the ports on both sides of the diverter valve 1; the diverter valve 1 and the lower ports of the diverter valve 2 are connected to a diverter ground pipe, and a plurality of branch pipe openings are arranged at intervals on the diverter ground pipe, and a drip irrigation assembly is correspondingly arranged on the branch pipe opening; a liquid level gauge, a water inlet pipe and a delivery pump are correspondingly arranged on the water tank cover and the filter cavity, and the delivery pump is connected to the fertilizer dissolving device through a delivery pipeline. The present invention has a reasonable and novel design, a high degree of automation, and can efficiently realize drip irrigation of greenhouse plants, improve irrigation efficiency, reduce water consumption, save labor costs, and improve plant growth rate and quality.

Description

Technical Field

[0001] The invention relates to the technical field of plant planting, and in particular to a water-fertilizer integrated drip irrigation system for plant cultivation. Background Art

[0002] Greenhouse vegetable cultivation is an important vegetable cultivation technology. It can provide various nutrients and growth conditions required by plants according to their growth and development, so that plants can absorb and grow. Existing greenhouse vegetable cultivation technologies include soilless plant cultivation or traditional soil cultivation. Soilless plant cultivation is less restricted and can be grown anywhere as long as there is air and water. It is a new type of plant cultivation technology. Regardless of which plant cultivation technology is used, water is required for plant growth.

[0003] At present, most greenhouses still use traditional planting methods. When watering plants, they still use manual watering or spraying, which is not only time-consuming and labor-intensive, but also has low watering efficiency, resulting in a waste of water resources, and mobile irrigation devices are also prone to damage to vegetable plants; especially when the greenhouse space is large, the traditional watering efficiency is even lower; in addition, in some vegetable greenhouses, such as cucumbers and tomatoes, the planting cages are covered with mulch to improve the soil's moisture retention capacity, and this planting method increases the difficulty of plant watering. Conventional watering methods will lead to a waste of water resources and low watering efficiency.

[0004] Therefore, it is necessary to provide a water-fertilizer integrated drip irrigation system for plant cultivation to overcome the occurrence of the above problems. Summary of the invention

[0005] In order to solve the above problems, the embodiment of the present invention provides a water-fertilizer integrated drip irrigation system for plant cultivation. The purpose of the present invention is achieved through the following technical solutions:

[0006] A water-fertilizer integrated drip irrigation system for plant cultivation, comprising a water replenishment device and a fertilizer dissolving device;

[0007] The water replenishing device comprises a water tank and a water tank cover body arranged in cooperation with the water tank, the water tank is divided into a purification cavity and a plurality of filter cavities by a filter plate, and a water pump is correspondingly arranged in the purification cavity;

[0008] An electric heating plate is arranged in the side wall of the water tank corresponding to the purification cavity;

[0009] The discharge port of the water pump is connected to the diverter valve 1 through the solenoid valve 1 and the connecting pipe; a plurality of diverter valves 2 are connected in series to the ports on both sides of the diverter valve 1, and two adjacent diverter valves 2 are connected through the connecting pipe;

[0010] The lower ports of the diverter valve 1 and the diverter valve 2 are connected to the diverter ground pipe through the solenoid valve 3 and the connecting end provided on the connecting pipe. The diverter ground pipe is provided with a plurality of branch pipe openings at intervals, and the branch pipe openings are correspondingly provided with drip irrigation components;

[0011] A liquid level gauge and a water inlet pipe are arranged on the water tank cover body corresponding to the filter cavity and extending into the filter cavity, and a second solenoid valve is connected to the water inlet pipe;

[0012] A delivery pump is also provided on the water tank cover, and the delivery pump is connected with the fertilizer dissolving device through a delivery pipeline.

[0013] Furthermore, the drip irrigation assembly includes a flow stabilizing assembly connected to the flow diversion pipe, the flow stabilizing assembly is connected to a plurality of liquid supply branches along its circumferential direction, and the extended ends of the liquid supply branches are connected to the drip irrigation nozzles.

[0014] Furthermore, the flow stabilizing assembly includes a flow diverter, a compression fixture, a sealing member, a fixing connector, and a supporting connector;

[0015] The supporting connecting member comprises a supporting portion and a second connecting portion fixed at the lower end of the supporting portion, wherein a mounting cavity is provided in the supporting portion;

[0016] The fixed connection piece includes a pipe piece 1 and a pipe piece 2, the outer diameter of the pipe piece 1 is smaller than the outer diameter of the pipe piece 2, and a pressing ring is formed at the connection between the pipe piece 1 and the pipe piece 2; the pipe piece 2 of the fixed connection piece is clamped in the installation cavity of the support part;

[0017] The sealing member is correspondingly sleeved on the pipe member 1 of the fixed connecting member;

[0018] The pressing and fixing member is sleeved on the pipe member 1 of the fixing and connecting member and pressed on the sealing member and the pipe member 2, and is fixedly connected to the supporting portion of the supporting and connecting member;

[0019] An upper end of the pipe on the fixed connector is fixedly connected to the diverter, and the diverter includes a fixed cap, and a plurality of branch ends connected to the liquid supply branch pipe are arranged at intervals on the outer circumference of the fixed cap;

[0020] The flow dividing member, the fixed connecting member and the supporting connecting member are internally connected to form a liquid passage.

[0021] Furthermore, a threaded area 1 is arranged on the inner circumference of the fixing cap; and a threaded area 3 is arranged on the outer circumference of the upper end of the pipe fitting 1 on the fixing connector corresponding to the threaded area 1.

[0022] Furthermore, the clamping fixing part includes an annular tightening portion, the lower end of the tightening portion extends downward to form an annular connecting portion 1, a clamping portion is fixedly provided on the inner side of a lower end of the connecting portion, and a through hole for pipe fitting 1 to pass through is provided in the clamping portion, and the diameter of the through hole is larger than the outer diameter of pipe fitting 1 and smaller than the outer diameter of pipe fitting 2.

[0023] Furthermore, a step 1 is provided in the support portion installation cavity corresponding to the pipe 2 of the fixed connection piece, and a step 2 is provided on the step 1 corresponding to the connection portion 1;

[0024] The outer circumference of the connecting portion 1 is provided with a threaded area 2, and the inner wall corresponding to the supporting portion and the step 2 is provided with a threaded area 4 matching the threaded area 2;

[0025] The height of the second step is greater than the height of the second pipe fitting, and the sealing member is pressed against the second step and the second pipe fitting accordingly;

[0026] A threaded area five is arranged on the inner side of the lower end of the second connecting portion corresponding to the branch pipe opening.

[0027] Further, the drip irrigation nozzle comprises a spherical member, the lower end of the spherical member extends downward to form a drip arrow, the upper end of the spherical member is provided with a connecting elbow, and the free end of the connecting elbow is correspondingly provided with a connecting portion three;

[0028] The opposite side of the spherical part is provided with a spherical groove, one side of the dripping arrow is provided with an overflow groove corresponding to the spherical groove, and the connecting elbow is connected with the spherical groove and the overflow groove and is provided with an arc groove.

[0029] Furthermore, the fertilizer dissolving device comprises a dissolving barrel and a barrel cover assembly arranged in cooperation with the premixing barrel, the barrel cover assembly comprises a barrel cover and a stirring shaft arranged on the barrel cover and extending into and rotatably arranged in the dissolving barrel, the stirring shaft is sleeved with a stirring mechanism, and a stirring motor is arranged at the top of the stirring shaft; at least one lower material pipe is arranged on the barrel cover;

[0030] The lower end of the dissolving barrel is fixedly connected to the barrel bottom assembly arranged on the support seat, and the barrel bottom assembly includes a conical lower material bin, and a clearing pipe is correspondingly arranged at the lower end of the conical lower material bin, and a discharge port connected to the conveying pipeline is arranged on one side of the conical lower material bin.

[0031] Furthermore, the stirring mechanism includes a stirring sleeve, a plurality of first stirring rods and a plurality of second stirring rods spaced apart along the horizontal plane of the outer circumference of the stirring sleeve; the angle between two adjacent first stirring rods or second stirring rods is 45° or 90°; the first stirring rod or second stirring rod is spaced apart in layers along the axial direction of the stirring sleeve; the angle between the first stirring rod and the second stirring rod arranged in adjacent layers is 45°.

[0032] Furthermore, the dissolving barrel includes a barrel body and a connecting flange 1 arranged at the upper and lower ends of the barrel body; the inner side of the lower part of the barrel body is connected to a supporting shaft sleeve through a plurality of supporting ribs arranged in a circumferential direction, and the lower end of the stirring shaft is rotatably arranged on the supporting shaft sleeve; and a connecting flange 2 corresponding to the connecting flange 1 is arranged at the top of the conical lower silo.

[0033] Compared with the prior art, the embodiments of the present invention have at least the following beneficial effects:

[0034] 1. The water replenishment device of the present invention can automatically replenish water for the drip irrigation system; the drip irrigation system can realize targeted irrigation of large quantities of plants, especially suitable for vegetables with higher plants such as tomatoes, beans, cucumbers, etc., fixed-point irrigation, after the position of the diversion ground pipe is fixed, it can continuously provide water and nutrition for plant growth, greatly reducing the labor intensity of subsequent watering or spraying irrigation, saving labor costs, and improving irrigation efficiency;

[0035] 2. The water tank of the present invention is divided into a purification chamber and a plurality of filter chambers by a filter plate; the collected rainwater, snow water or tap water is pumped into the water replenishment device of the present invention, and the rainwater, snow water or tap water is purified and filtered through a plurality of filter plates and a multi-stage filter tank, so as to avoid the system pipeline being blocked by debris, reduce maintenance costs and increase service life;

[0036] 3. The drip irrigation assembly of the present invention is reasonably and novelly designed. The flow stabilizing assembly can stably deliver the water flow transported in the diversion ground pipe to the liquid supply branch pipe, and drip irrigate to the root of the plant rhizome through the drip irrigation nozzle; the flow stabilizing assembly can be leak-proof and sealed by the coordinated arrangement of the fixed connector, the supporting connector and the sealing component, and the fixed connector and the supporting connector can rotate relative to each other along the axis direction, thereby meeting the convenience of arranging the drip irrigation assembly;

[0037] 4. The drip irrigation nozzle of the present invention can be conveniently inserted into the soil at the root of the plant through the drip arrow, and the depth of insertion into the soil can be adjusted. The water flow can be conveniently and efficiently drip-irrigated to the root of the plant through the spherical groove, overflow groove or arc groove, which can avoid the drip irrigation nozzle being blocked during the insertion of the drip irrigation nozzle into the soil and affecting the drip irrigation effect;

[0038] 5. The fertilizer dissolving device of the present invention has a compact structure. The stirring mechanism can dissolve the fertilizer in the dissolving barrel into an aqueous solution under the drive of the stirring motor, which is convenient for the delivery of the delivery pump; the stirring mechanism arranged in this way can efficiently dissolve the fertilizer and improve the preparation efficiency of the fertilizer solution; in summary, the present invention has a reasonable and novel design and a high degree of automation, and can efficiently realize drip irrigation of greenhouse plants, improve irrigation efficiency, reduce water consumption, save labor costs, and improve plant growth rate and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] FIG1 is a schematic diagram of the three-dimensional structure of a drip irrigation system according to an embodiment of the present invention;

[0040] FIG2 is a schematic diagram of the three-dimensional structure of the connection state of the water replenishment device and the fertilizer dissolving device in FIG1;

[0041] FIG3 is a schematic diagram of the internal structure of the water replenishing device of the present invention in an open cover state;

[0042] FIG4 is a schematic diagram of the structure of the fertilizer dissolving device in the explosion state according to an embodiment of the present invention;

[0043] FIG5 is a schematic diagram of the three-dimensional structure of the barrel cover assembly in FIG4;

[0044] FIG6 is a schematic diagram of the three-dimensional structure of the dissolving material barrel in FIG4;

[0045] FIG. 7 is a schematic diagram of the three-dimensional structure of the barrel bottom assembly in FIG. 4 ;

[0046] FIG8 is an enlarged schematic diagram of the front end structure of the split ground pipe in FIG1;

[0047] FIG9 is a schematic diagram of the structure of the drip irrigation assembly in FIG1;

[0048] FIG10 is a schematic diagram of the structure of the flow stabilizing mechanism in FIG9;

[0049] FIG11 is a schematic diagram of the structure of the flow stabilizing mechanism in FIG10 in an explosion state;

[0050] FIG12 is a schematic diagram of the structure of the diverter in FIG11;

[0051] FIG13 is a schematic diagram of the structure of the clamping fixture in FIG11;

[0052] FIG14 is a schematic diagram of the structure of the fixed connection member in FIG11;

[0053] FIG15 is a schematic structural diagram of the supporting connector in FIG11 from a first viewing angle;

[0054] FIG16 is a schematic structural diagram of the supporting connector in FIG11 from a second viewing angle;

[0055] FIG. 17 is a schematic diagram of the structure of the drip irrigation nozzle in FIG. 6 .

[0056] In the figure:

[0057] 100, drip irrigation system; 1, water replenishment device; 101, water tank cover; 102, water tank; 103, drainage port; 104, solenoid valve 1; 105, liquid level meter; 106, solenoid valve 2; 107, water inlet pipe; 108, delivery pump; 109, water pump; 110, purification chamber; 111, filter plate; 112, sewage discharge port; 113, filter chamber; 2, fertilizer dissolving device; 210, barrel cover assembly; 211, stirring motor; 212, feed pipe; 213, barrel cover; 21 4. Stirring mechanism; 215. First stirring rod; 216. Second stirring rod; 217. Stirring shaft; 218. Stirring shaft sleeve; 220. Dissolving barrel; 221. Barrel body; 222. Connecting flange 1; 223. Support ribs; 224. Supporting shaft sleeve; 230. Barrel bottom assembly; 231. Connecting flange 2; 232. Conical lower bin; 233. Cleaning pipe; 234. Discharge port; 3. Delivery pipeline; 4. Support seat; 5. Diverter valve 1; 6. Connecting pipe; 7. Diverter valve 2; 8. Solenoid valve 3; 9, connecting end; 10, diverter ground pipe; 11, branch pipe mouth; 12, drip irrigation assembly; 13, flow stabilizing assembly; 1310, diverter; 1311, fixing cap; 1312, branch end; 1313, threaded area 1; 1320, clamping fixing piece; 1321, tightening part; 1322, clamping part; 1323, connecting part 1; 1324, threaded area 2; 1330, sealing piece; 1340, fixing connecting piece; 1341, pipe fitting 1; 1342, pipe fitting 2; 1343, Pressure ring; 1344, threaded area three; 1350, support connector; 1351, support part; 1352, connection part two; 1353, liquid passage; 1354, step one; 1355, threaded area four; 1356, step two; 1357, threaded area five; 14, liquid supply branch pipe; 15, drip irrigation nozzle; 1501, spherical part; 1502, connecting elbow; 1503, drip arrow; 1504, overflow groove; 1505, spherical groove; 1506, arc groove; 1507, connection part three. DETAILED DESCRIPTION

[0058] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0059] Embodiment 1:

[0060] Referring to FIGS. 1 to 17 , the present invention discloses a water-fertilizer integrated drip irrigation system for plant cultivation. The drip irrigation system 100 includes a water replenishment device 1 and a fertilizer dissolving device 2. The water replenishment device 1 includes a water tank 102 and a water tank cover 101 arranged in cooperation with the water tank. The water tank 102 is divided into a purification cavity 110 and a plurality of filter cavities 113 by a filter plate 111. A water pump 109 is correspondingly arranged in the purification cavity 110. The side wall of the water tank 102 is connected to the purification cavity 110. An electric heating plate is provided correspondingly; a sewage discharge port 112 is provided correspondingly to the lower side of the side wall of the water tank and the filter cavity; the collected rainwater, snow water or tap water is pumped into the water replenishment device of the present invention, and the rainwater, snow water or tap water is purified and filtered through a plurality of filter plates and a multi-stage filter tank to avoid debris clogging the system pipes, reduce maintenance costs, and increase service life; the temperature of the nutrient solution in the purification cavity can be increased to meet the growth needs of plants through the electric heating plate, thereby improving the growth efficiency of plants.

[0061] The discharge port 103 of the water pump 109 is connected to the diverter valve 1 5 through the solenoid valve 1 104 and the connecting pipe 6, and the diverter valve 1 is a four-way diverter valve; the ports on both sides of the diverter valve 1 5 are connected in series with a plurality of diverter valves 2 7, and two adjacent diverter valves 2 7 are connected through a connecting pipe, and the diverter valve 2 is a three-way diverter valve;

[0062] The lower ports of the diverter valve 1 5 and the diverter valve 2 7 are connected to the diverter ground pipe 10 through the solenoid valve 3 8 and the connecting end 9 provided on the connecting pipe. The diverter ground pipe 10 is provided with a plurality of branch pipe openings 11 at intervals, and the branch pipe openings 11 are provided with drip irrigation components 12 correspondingly. The diverter ground pipe is arranged along the vegetable cage in the planting greenhouse, and the drip irrigation components are provided correspondingly to the roots of the plants.

[0063] Among them, a liquid level gauge 105 and a water inlet pipe 107 are arranged on the water tank cover 101 corresponding to the filter cavity 113 and extending into the filter cavity. The water inlet pipe 107 is connected with a solenoid valve 2 106; the solenoid valve 2 can be used to adjust rainwater, snow water or tap water to be added to the water replenishing device. A delivery pump 108 is also arranged on the water tank cover 101, and the delivery pump 108 is connected to the fertilizer dissolving device 2 through a delivery pipe 3.

[0064] In this embodiment, the water replenishment device can automatically replenish water to the drip irrigation system 100; the drip irrigation system can realize targeted irrigation of large quantities of plants, especially suitable for vegetables with taller plants such as tomatoes, beans, cucumbers, etc., fixed-point irrigation, after the position of the diversion ground pipe is fixed, it can continuously provide water and nutrition for plant growth, greatly reducing the labor intensity of subsequent watering or spray irrigation, saving labor costs, and improving irrigation efficiency.

[0065] In an optional embodiment, referring to FIG. 9 , the drip irrigation assembly 12 includes a flow stabilizing assembly 13 connected to the flow-dividing ground pipe 10 , and the flow stabilizing assembly 13 is connected to a plurality of liquid supply branches 14 along its circumferential direction, and the extended ends of the liquid supply branches 14 are connected to the drip irrigation nozzles 15 ; the flow stabilizing assembly can stably transport the water flow transported in the flow-dividing ground pipe to the liquid supply branches, and drip irrigation to the roots of the plant rhizomes through the drip irrigation nozzles. It can be understood that the above description is only exemplary, and the embodiments of the present application do not limit this.

[0066] In a specific embodiment, referring to Fig.10 and Fig.11The flow stabilizing component 13 includes a flow diverter 1310, a clamping fixture 1320, a sealing member 1330, a fixed connector 1340 and a supporting connector 1350; the supporting connector 1350 includes a supporting portion 1351 and a second connecting portion 1352 fixed at the lower end of the supporting portion, and a mounting cavity is arranged in the supporting portion 1351; the fixed connector 1340 includes a pipe 1341 and a pipe 2 1342, the outer diameter of the pipe 1341 is smaller than the outer diameter of the pipe 2 1342, and a pressing ring 1343 is formed at the connection between the pipe 1 1341 and the pipe 2 1342; the pipe 2 1342 of the fixed connector 1340 is clamped in the mounting cavity of the supporting portion 1351; the sealing member 1330 is correspondingly mounted on the pipe 1 1341 of the fixed connector 1340 and is clamped on the pipe 2 1342 The outer diameter of the sealing member is larger than the outer diameter of the pipe fitting 2; the pressing fixing member 1320 is sleeved on the pipe fitting 1 1341 of the fixed connecting member and pressed on the sealing member 1330 and the pipe fitting 2 1342, and is fixedly connected to the supporting portion 1351 of the supporting connecting member; the upper end of the pipe fitting 1 1341 on the fixed connecting member 1340 is fixedly connected to the diverter 1310, and the diverter 1310 includes a fixing cap 1311, and a plurality of branch ends 1312 connected to the liquid supply branch pipe 14 are arranged at intervals on the outer circumference of the fixing cap 1311; the diverter 1310, the fixed connecting member 1340 and the supporting connecting member 1350 are internally connected to form a liquid passage 1353. In this embodiment, the fixed connector, the supporting connector and the sealing member are arranged in coordination to achieve a water-leakage-proof seal of the flow stabilizing assembly, and the fixed connector and the supporting connector can rotate relative to each other along the axis direction, thereby meeting the convenience of arranging the drip irrigation assembly. It can be understood that the above description is only exemplary and the embodiments of the present application do not limit this.

[0067] Referring to FIG. 12 , the fixing cap 1311 is provided with a threaded area 1313 on its inner circumference; the fixing connector 1340 is provided with a threaded area 1344 on its upper outer circumference corresponding to the threaded area 1313; the flow divider can be fixedly connected to the fixing connector through the threaded area. It is understood that the above description is only exemplary and is not limited to this in the embodiments of the present application.

[0068] In an optional embodiment, referring to FIG. 13 , the clamping fixture 1320 includes an annular screwing portion 1321, the lower end of the screwing portion 1321 extends downward to form an annular connecting portion 1323, the lower end of the connecting portion 1323 is fixedly provided with a clamping portion 1322, the clamping portion 1322 is provided with a through hole for the pipe 1341 to pass through, the through hole diameter is larger than the outer diameter of the pipe 1341, and smaller than the outer diameter of the pipe 2 1342. The clamping fixture in this embodiment achieves sealing fixation by compressing the sealing member and deforming it. It can be understood that the above description is only exemplary, and the embodiment of the present application does not limit this.

[0069] In a specific embodiment, referring to FIG. 15 , a step 1354 is provided in the mounting cavity of the support portion 1351 corresponding to the pipe fitting 1342 of the fixed connection member, and a step 1356 is provided on the step 1354 corresponding to the connection portion 1323; a threaded area 1324 is provided on the outer circumference of the connection portion 1323, and a threaded area 1355 matching the threaded area 1324 is provided on the inner wall corresponding to the support portion 1351 and the step 1356; the height of the step 1356 is greater than the height of the pipe fitting 1342, and the sealing member 1330 is correspondingly pressed on the step 1356 and the pipe fitting 1342; a threaded area 1357 is provided on the inner side of the lower end of the connection portion 1352 corresponding to the branch pipe opening 11. The pipe part 2 is accommodated on the step 1, and the seal is correspondingly pressed on the step 1 and the pipe part 2, thereby improving the sealing performance of the flow stabilizing component; the flow stabilizing component and the branch pipe opening can be fixedly connected through the threaded area. It can be understood that the above description is only exemplary and the embodiments of the present application do not limit this.

[0070] In a specific embodiment, referring to FIG. 17 , the drip irrigation nozzle 15 includes a spherical member 1501, the lower end of the spherical member 1501 extends downward to form a dripping arrow 1503, the upper end of the spherical member 1501 is provided with a connecting elbow 1502, and the free end of the connecting elbow 1502 is correspondingly provided with a connecting portion 3 1507; the spherical member 1501 is provided with a spherical groove 1505 on the opposite side, and an overflow groove 1504 is provided on one side of the dripping arrow 1503 corresponding to the spherical groove 1505, and the connecting elbow 1502 is connected to the spherical groove 1505 and the overflow groove 1504. The arc groove 1506 is connected; the drip irrigation nozzle of the present invention can be conveniently inserted into the soil at the root of the plant through the drip arrow, and the depth of insertion into the soil can be adjusted. The water flow can be conveniently and efficiently dripped to the root of the plant through the spherical groove, overflow groove or arc groove, which can avoid the drip irrigation nozzle being blocked during the insertion of the drip irrigation nozzle into the soil and affecting the drip irrigation effect. It can be understood that the above description is only exemplary and the embodiments of the present application are not limited to this.

[0071] In some optional embodiments, referring to FIGS. 4 to 7 , the fertilizer dissolving device 2 comprises a dissolving barrel 220 and a barrel cover assembly 210 arranged in cooperation with the premixing barrel, the barrel cover assembly 210 comprises a barrel cover 213 and a stirring shaft 217 arranged on the barrel cover and extending into and rotatably arranged in the dissolving barrel, the stirring shaft 217 is sleeved with a stirring mechanism 214, and a stirring motor 211 is arranged at the top of the stirring shaft 217; at least one lower feeding pipe 212 is arranged on the barrel cover 213; the lower end of the dissolving barrel 220 is fixedly connected to a barrel bottom assembly 230 arranged on the support seat 4, the barrel bottom assembly 230 comprises a conical lower feeding bin 232, a clearing pipe 233 is correspondingly arranged at the lower end of the conical lower feeding bin 232, and a discharge port 234 connected to a conveying pipeline is arranged on one side of the conical lower feeding bin 232. The stirring mechanism can realize the dissolution of the fertilizer in the dissolving barrel into an aqueous solution when driven by the stirring motor, so as to facilitate the delivery of the delivery pump. It can be understood that the above description is only exemplary and the embodiments of the present application do not limit this.

[0072] In a specific embodiment, the stirring mechanism 214 includes a stirring sleeve 218, a plurality of first stirring rods 215 and a plurality of second stirring rods 216 arranged at intervals along the horizontal plane of the outer circumference of the stirring sleeve; the angle between two adjacent first stirring rods 215 or second stirring rods 216 is 45° or 90°; the first stirring rods 215 or second stirring rods 216 are arranged in layers and at intervals along the axis direction of the stirring sleeve; the angle between the first stirring rod and the second stirring rod arranged in adjacent layers is 45°. This stirring mechanism can efficiently dissolve the fertilizer and improve the efficiency of preparing the fertilizer solution. It can be understood that the above description is only exemplary and the embodiments of the present application are not limited to this.

[0073] In a specific embodiment, the dissolving barrel 220 includes a barrel body 221 and a connecting flange 1 222 arranged at the upper and lower ends of the barrel body; the inner side of the lower part of the barrel body 221 is connected to a supporting sleeve 224 through a plurality of supporting ribs 223 arranged in a circumferential direction, and the lower end of the stirring shaft 217 is rotatably arranged on the supporting sleeve 224; the top of the conical lower bin 232 is provided with a connecting flange 231 corresponding to the connecting flange 1; the barrel body is fixedly connected to the barrel cover and the conical lower bin through the connecting flange. It can be understood that the above description is only exemplary and the embodiment of the present application does not limit this.

[0074] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0075] In addition, each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device and system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiments. The components indicated as units may or may not be physical units, and may be located in one place, or may not be distributed on multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without creative work.

[0076] The above is only a specific implementation method of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A water-fertilizer integrated drip irrigation system for plant cultivation, characterized in that: It comprises a water replenishing device (1) and a fertilizer dissolving device (2); The water replenishing device (1) comprises a water tank (102) and a water tank cover (101) arranged in cooperation with the water tank; the water tank (102) is divided into a purification cavity (110) and a plurality of filter cavities (113) by a filter plate (111); a water pump (109) is arranged in correspondence with the purification cavity (110); an electric heating plate is arranged in correspondence with the purification cavity (110) in the side wall of the water tank (102); The discharge port (103) of the water pump (109) is connected to the diverter valve (5) via the solenoid valve (104) and the connecting pipe (6); a plurality of diverter valves (7) are connected in series to the ports on both sides of the diverter valve (5), and two adjacent diverter valves (7) are connected via the connecting pipe; The lower ports of the diverter valve 1 (5) and the diverter valve 2 (7) are connected to the diverter ground pipe (10) through the solenoid valve 3 (8) and the connecting end (9) provided on the connecting pipe. The diverter ground pipe (10) is provided with a plurality of branch pipe openings (11) at intervals, and the branch pipe openings (11) are provided with drip irrigation assemblies (12) correspondingly. A liquid level gauge (105) and a water inlet pipe (107) are arranged on the water tank cover (101) corresponding to the filter cavity (113) and extend into the filter cavity, and the water inlet pipe (107) is connected to a second solenoid valve (106); The water tank cover (101) is also provided with a delivery pump (108), and the delivery pump (108) is connected to the fertilizer dissolving device (2) through a delivery pipeline (3); The drip irrigation assembly (12) comprises a flow stabilizing assembly (13) connected to the flow-dividing ground pipe (10); the flow stabilizing assembly (13) is connected to a plurality of liquid supply branch pipes (14) along its circumferential direction; the extended ends of the liquid supply branch pipes (14) are connected to the drip irrigation nozzles (15); The flow stabilizing component (13) comprises a flow diverter (1310), a compression fixing component (1320), a sealing component (1330), a fixing connecting component (1340), and a supporting connecting component (1350); The supporting connecting member (1350) comprises a supporting portion (1351) and a second connecting portion (1352) fixed at the lower end of the supporting portion, wherein a mounting cavity is arranged in the supporting portion (1351); the fixing connecting member (1340) comprises a first pipe fitting (1341) and a second pipe fitting (1342), wherein the outer diameter of the first pipe fitting (1341) is smaller than the outer diameter of the second pipe fitting (1342), and a pressing ring (1343) is formed at the connection between the first pipe fitting (1341) and the second pipe fitting (1342); the second pipe fitting (1342) of the fixing connecting member (1340) is clamped in the mounting cavity of the supporting portion (1351); The sealing member (1330) is correspondingly sleeved on the pipe member 1 (1341) of the fixed connection member (1340); The pressing and fixing member (1320) is sleeved on the pipe member 1 (1341) of the fixing connection member and pressed against the sealing member (1330) and the pipe member 2 (1342), and is fixedly connected to the supporting portion (1351) of the supporting connection member; The upper end of the pipe piece 1 (1341) on the fixed connection piece (1340) is fixedly connected to the flow diverter (1310), and the flow diverter (1310) comprises a fixed cap (1311), and a plurality of branch ends (1312) connected to the liquid supply branch pipe (14) are arranged at intervals on the outer circumference of the fixed cap (1311); The flow dividing member (1310), the fixed connecting member (1340) and the supporting connecting member (1350) are internally connected to form a liquid passage (1353); The fixing cap (1311) is provided with a first threaded area (1313) on its inner circumference; the fixing connecting piece (1340) is provided with a third threaded area (1344) on its upper outer circumference of the pipe piece (1341) corresponding to the first threaded area (1313); The clamping fixture (1320) includes an annular screwing portion (1321), the lower end of the screwing portion (1321) extending downward to form an annular connecting portion (1323), a clamping portion (1322) being fixedly provided on the inner side of the lower end of the connecting portion (1323), a through hole for the pipe (1341) to pass through being provided in the clamping portion (1322), the through hole having a diameter greater than the outer diameter of the pipe (1341) and smaller than the outer diameter of the pipe (1342); A step 1 (1354) is provided in the mounting cavity of the support portion (1351) corresponding to the second pipe member (1342) of the fixed connection member, and a step 2 (1356) is provided on the step 1 (1354) corresponding to the first connection portion (1323); The outer circumference of the connecting portion 1 (1323) is provided with a threaded area 2 (1324), and the inner walls corresponding to the supporting portion (1351) and the step 2 (1356) are provided with a threaded area 4 (1355) matching the threaded area 2 (1324); the height of the step 2 (1356) is greater than the height of the pipe fitting 2 (1342), and the sealing member (1330) is correspondingly pressed on the step 2 (1356) and the pipe fitting 2 (1342); A threaded area five (1357) is provided on the inner side of the lower end of the second connection portion (1352) corresponding to the branch pipe opening (11).

2. The water-fertilizer integrated drip irrigation system for plant cultivation according to claim 1, characterized in that: The drip irrigation nozzle (15) comprises a spherical member (1501), the lower end of the spherical member (1501) extending downward to form a drip arrow (1503), the upper end of the spherical member (1501) being provided with a connecting elbow (1502), the free end of the connecting elbow (1502) being correspondingly provided with a connecting portion three (1507); The spherical member (1501) is provided with a spherical groove (1505) on the opposite side, the drip arrow (1503) is provided with an overflow groove (1504) corresponding to the spherical groove (1505) on one side, and the connecting elbow (1502) is provided with an arc groove (1506) in communication with the spherical groove (1505) and the overflow groove (1504).

3. The water-fertilizer integrated drip irrigation system for plant cultivation according to claim 1, characterized in that: The fertilizer dissolving device (2) comprises a dissolving barrel (220) and a barrel cover assembly (210) arranged in cooperation with the premixing barrel, the barrel cover assembly (210) comprising a barrel cover (213) and a stirring shaft (217) arranged on the barrel cover and extending into and rotatably arranged in the dissolving barrel, a stirring mechanism (214) being sleeved on the stirring shaft (217), and a stirring motor (211) being arranged at the top end of the stirring shaft (217); at least one lower material pipe (212) is arranged on the barrel cover (213); The lower end of the dissolving material barrel (220) is fixedly connected to a barrel bottom assembly (230) arranged on the support seat (4); the barrel bottom assembly (230) comprises a conical lower material bin (232); a clearing pipe (233) is correspondingly arranged at the lower end of the conical lower material bin (232); and a discharge port (234) connected to a conveying pipeline is arranged on one side of the conical lower material bin (232).

4. The water-fertilizer integrated drip irrigation system for plant cultivation according to claim 3, characterized in that: The stirring mechanism (214) comprises a stirring shaft sleeve (218), a plurality of first stirring rods (215) and a plurality of second stirring rods (216) arranged at intervals along a horizontal plane of an outer circumference of the stirring shaft sleeve; the angle between two adjacent first stirring rods (215) or second stirring rods (216) is 45° or 90°; the first stirring rods (215) or second stirring rods (216) are arranged in layers and at intervals along an axial direction of the stirring shaft sleeve; the angle between the first stirring rods and the second stirring rods arranged in adjacent layers is 45°.

5. The water-fertilizer integrated drip irrigation system for plant cultivation according to claim 3, characterized in that: The dissolving material barrel (220) comprises a barrel body (221) and a connecting flange 1 (222) arranged at the upper and lower ends of the barrel body; the inner side of the lower part of the barrel body (221) is connected to a supporting shaft sleeve (224) via a plurality of supporting ribs (223) arranged in a circumferential direction, and the lower end of the stirring shaft (217) is rotatably arranged on the supporting shaft sleeve (224); and a connecting flange 2 (231) corresponding to the connecting flange 1 is arranged at the top end of the conical lower bin (232).

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