Water and fertilizer integrated automatic irrigation device

Abstract

The utility model relates to the technical field of water and fertilizer irrigation, and discloses a water and fertilizer integrated automatic irrigation device which comprises a mixing box, a grinding machine and a liquid fertilizer storage bin, and the grinding machine and the liquid fertilizer storage bin are both arranged above the mixing box and communicate with the interior of the mixing box; the mixing box is provided with a liquid inlet and a liquid outlet, the liquid inlet is connected with a main water pipe, the main water pipe is used for conveying water into the mixing box, the liquid outlet is connected with a liquid pumping pipe, and the liquid pumping pipe is used for pumping premixed water and fertilizer solution in the mixing box; the main water pipe is connected with an auxiliary water pipe, the tail end of the auxiliary water pipe and the tail end of the liquid pumping pipe are connected with a mixing assembly, and the mixing assembly at least comprises a mixing pipe and is used for conducting secondary mixing on the water and fertilizer solution and diluting the concentration of the water and fertilizer solution to enable the concentration to reach a set concentration threshold value. Twice mixing is realized through the mixing box and the mixing pipe, so that water and fertilizer are mixed more uniformly, the local concentration is prevented from being too high or too low, and the water and fertilizer utilization efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of water and fertilizer irrigation, and specifically to an automatic water and fertilizer integrated irrigation device. Background Art

[0002] Integrated precision fertigation technology is a new agricultural technology that integrates irrigation and fertilization for precise fertilization. This technology utilizes a pressure irrigation system to evenly and accurately deliver a mixture of soluble solid or liquid fertilizers, along with irrigation water, to the soil near the roots of crops. This effectively controls irrigation water and fertilizer volumes, improving water and fertilizer utilization efficiency. It also provides a quantitative, timed, and proportional supply of water and nutrients throughout the entire growth period, tailored to crop growth needs. However, existing fertigation systems suffer from uneven mixing of water and fertilizer, resulting in locally high or low concentrations, which impacts crop growth. Summary of the Invention

[0003] (1) Technical problems solved

[0004] In response to the deficiencies in the prior art, the present application provides an automatic water and fertilizer integrated irrigation device.

[0005] (2) Technical solution

[0006] To solve the above problems, the present application provides the following technical solutions: an integrated water and fertilizer automatic irrigation device, comprising a mixing box, a grinder, and a liquid fertilizer storage bin, wherein the grinder and the liquid fertilizer storage bin are both arranged above the mixing box and communicate with the interior of the mixing box;

[0007] The mixing box is provided with a liquid inlet and a liquid outlet, the liquid inlet is connected to a main water pipe, the main water pipe is used to transport water into the mixing box, and the liquid outlet is connected to a liquid extraction pipe, the liquid extraction pipe is used to extract the pre-mixed water-fertilizer solution inside the mixing box;

[0008] The grinder is used to grind solid fertilizer and transport the ground solid fertilizer into the mixing box;

[0009] The liquid fertilizer storage bin is used to store liquid fertilizer and quantitatively add liquid fertilizer into the mixing box;

[0010] A stirring mechanism is provided inside the mixing box, and the stirring mechanism is used to pre-mix the solid fertilizer or liquid fertilizer with water;

[0011] The main water pipe is connected to a secondary water pipe, and the ends of the secondary water pipe and the liquid extraction pipe are connected to a mixing assembly. The mixing assembly includes at least a mixing tube for secondary mixing of the water-fertilizer solution to dilute the concentration of the water-fertilizer solution to reach a set concentration threshold.

[0012] Preferably, a driving motor is provided above the grinder, and an output end of the driving motor is connected to a grinding disc via a rotating shaft, and the grinding disc is used to grind large-particle solid fertilizer.

[0013] Preferably, a feeding hopper is provided above the grinder for adding fixed fertilizer into the grinder. The bottom of the grinder is connected to the interior of the mixing box through a first control valve, and the first control valve can be used to control the quantitative addition of solid fertilizer into the mixing box.

[0014] Preferably, the discharge port of the liquid fertilizer storage bin is connected to the interior of the mixing box through a connecting pipe, and a flow control valve is provided on the connecting pipe for quantitatively adding liquid fertilizer to the interior of the mixing box.

[0015] Preferably, the stirring mechanism includes a stirring motor, which is fixedly installed on one side of the mixing box. The output shaft of the stirring motor is connected to a stirring shaft, and a stirring rod is fixedly installed on the stirring shaft for stirring water and fertilizer inside the mixing box.

[0016] Preferably, the mixing assembly further comprises a connecting piece, which is arranged in a "Y" shape and is used to connect the mixing pipe with the liquid extraction pipe and the auxiliary water pipe.

[0017] Preferably, a water-fertilizer concentration detector and a fourth control valve are provided at the end of the mixing tube. The water-fertilizer concentration detector is located at the front end of the fourth control valve. The water-fertilizer concentration detector is used to detect the concentration of the mixed water and fertilizer. The end of the mixing tube is connected to the irrigation pipe through a connecting joint.

[0018] Preferably, a second control valve is provided on the main water pipe, and the second control valve is located at the front end of the liquid inlet of the mixing box; and a third control valve is provided on the auxiliary water pipe.

[0019] Preferably, the liquid extraction pipe is provided with a liquid extraction pump for extracting the solution inside the mixing box through the liquid extraction pipe.

[0020] (3) Beneficial effects

[0021] Compared with the existing technology, this application provides an integrated water and fertilizer automatic irrigation device with the following beneficial effects:

[0022] 1. This integrated water and fertilizer automatic irrigation device can achieve a precise ratio of water and fertilizer through the stirring mechanism and mixing components in the mixing box, ensuring that crops obtain the right amount of water and nutrients. The double mixing is achieved through the mixing box and mixing pipe, making the water and fertilizer mix more uniform, avoiding local concentrations that are too high or too low, and improving water and fertilizer utilization efficiency.

[0023] 2. In this integrated water and fertilizer automatic irrigation device, solid fertilizer is quantitatively added to the mixing box through the first control valve, and liquid fertilizer is quantitatively added through the flow control valve, ensuring fertilization on demand and reducing fertilizer waste. The water and fertilizer concentration detector monitors the concentration of the mixed water and fertilizer solution in real time and adjusts the valve opening according to the test results to ensure that the final output water and fertilizer solution concentration meets the set requirements, avoiding excessive fertilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of a water-fertilizer integrated automatic irrigation device for this application;

[0025] Figure 2 This is a schematic structural diagram of the pre-mixing mechanism of this application.

[0026] In the figure: 1. Mixing box; 2. Grinder; 21. Feeding hopper; 22. Drive motor; 23. Grinding disc; 24. First control valve; 3. Liquid fertilizer storage bin; 31. Connecting pipe; 32. Flow control valve; 4. Main water pipe; 41. Second control valve; 5. Liquid extraction pipe; 51. Liquid extraction pump; 6. Stirring motor; 61. Stirring shaft; 62. Stirring rod; 7. Auxiliary water pipe; 71. Third control valve; 8. Connecting piece; 9. Mixing pipe; 10. Water and fertilizer concentration detector; 11. Fourth control valve; 12. Connecting joint. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] See also Figure 1-Figure 2 The present application provides a new technical solution: an automatic water-fertilizer integrated irrigation device, characterized in that it includes a mixing box 1, a grinder 2 and a liquid fertilizer storage bin 3, wherein the grinder 2 and the liquid fertilizer storage bin 3 are both arranged above the mixing box 1 and communicated with the interior of the mixing box 1;

[0029] The mixing box 1 is provided with a liquid inlet and a liquid outlet. The liquid inlet is connected to a main water pipe 4, which is used to transport water into the mixing box 1. The liquid outlet is connected to a liquid extraction pipe 5, which is used to extract the pre-mixed water-fertilizer solution inside the mixing box 1.

[0030] The grinder 2 is used to grind solid fertilizer and transport the ground solid fertilizer to the inside of the mixing box 1;

[0031] The liquid fertilizer storage bin 3 is used to store liquid fertilizer and quantitatively add liquid fertilizer into the mixing box 1;

[0032] The mixing box 1 is provided with a stirring mechanism, which is used to pre-mix solid fertilizer or liquid fertilizer with water;

[0033] The main water pipe 4 is connected to a secondary water pipe 7, and the ends of the secondary water pipe 7 and the liquid extraction pipe 5 are connected to a mixing assembly. The mixing assembly includes at least a mixing tube 9, which is used to perform secondary mixing of the water-fertilizer solution to dilute the concentration of the water-fertilizer solution to reach a set concentration threshold.

[0034] In some embodiments, a driving motor 22 is provided above the grinder 2, and an output end of the driving motor 22 is connected to a grinding disc 23 via a rotating shaft, and the grinding disc 23 is used to grind large particles of solid fertilizer;

[0035] In some embodiments, a feeding hopper 21 is provided above the grinder 2 for adding fixed fertilizer into the grinder 2. The bottom of the grinder 2 is connected to the interior of the mixing box 1 through a first control valve 24. The first control valve 24 can be used to control the quantitative addition of solid fertilizer into the mixing box 1. When in use, first add fixed fertilizer to the grinder 2 through the feeding hopper 21, start the drive motor 22, and drive the grinding disc 23 to rotate through the rotating shaft to grind the solid fertilizer. The quantitative addition of fertilizer into the mixing box 1 is controlled by the first control valve 24.

[0036] In some embodiments, the discharge port of the liquid fertilizer storage bin 3 is connected to the interior of the mixing box 1 through a connecting pipe 31, and a flow control valve 32 is provided on the connecting pipe 31 for quantitatively adding liquid fertilizer to the interior of the mixing box 1; the liquid fertilizer is transported from the storage bin 3 to the mixing box 1 through the connecting pipe 31, and then the amount of liquid fertilizer added is controlled by the flow control valve 32 to ensure quantitative addition as needed.

[0037] In some embodiments, the stirring mechanism includes a stirring motor 6, which is fixedly installed on one side of the mixing box 1. The output shaft of the stirring motor 6 is connected to a stirring shaft 61, and a stirring rod 62 is fixedly installed on the stirring shaft 61 for stirring the water and fertilizer inside the mixing box 1. When in use, the stirring motor 6 is started, and the stirring shaft 61 is driven to rotate by the stirring motor 6, and then the stirring rod 62 is driven to rotate. Through the rotation of the stirring rod 62, the water and fertilizer are fully mixed to form a premixed water-fertilizer solution.

[0038] In some embodiments, the mixing assembly further includes a connecting piece 8, which is arranged in a "Y" shape and is used to connect the mixing tube 9 with the liquid extraction tube 5 and the auxiliary water pipe 7. In the mixing tube 9, the premixed water-fertilizer solution is further mixed with the water introduced from the auxiliary water pipe 7 to dilute the concentration of the water-fertilizer solution to reach a set concentration threshold.

[0039] In some embodiments, a water-fertilizer concentration detector 10 and a fourth control valve 11 are provided at the end of the mixing tube 9. The water-fertilizer concentration detector 10 is located at the front end of the fourth control valve 11. The water-fertilizer concentration detector 10 is used to detect the concentration of the mixed water and fertilizer. The fourth control valve 11 adjusts the valve opening according to the test results to ensure that the concentration of the final output water and fertilizer solution meets the set requirements. The end of the mixing tube 9 is connected to the irrigation pipe through the connecting joint 12 to transport the prepared water and fertilizer solution to the roots of the crops or the soil to achieve precise irrigation.

[0040] In some embodiments, a second control valve 41 is provided on the main water pipe 4 , and the second control valve 41 is located at the front end of the liquid inlet of the mixing box 1 ; a third control valve 71 is provided on the secondary water pipe 7 .

[0041] In some embodiments, a liquid extraction pump 51 is provided on the liquid extraction pipe 5 for extracting the solution in the mixing box 1 through the liquid extraction pipe 5 .

[0042] Working principle: During use, an integrated water and fertilizer automatic irrigation device first opens the second control valve 41, and injects water into the mixing box 1 through the main water pipe 4. Then, the mixed fertilizer is quantitatively added to the mixing box 1 through the grinder 2 and the liquid fertilizer storage bin 3. Then, the stirring motor 6 is started, and the stirring shaft 61 is driven to rotate by the stirring motor 6, which in turn drives the stirring rod 62 to rotate. Through the rotation of the stirring rod 62, the water and fertilizer are fully mixed to form a premixed water-fertilizer solution. The liquid pump 51 is started to transport the premixed water-fertilizer solution to the inside of the mixing tube 9 through the liquid pumping pipe 5 and the connecting piece 8. Then, the third control valve 71 is opened, and water is injected into the mixing tube 9 through the auxiliary water pipe 7 for secondary mixing and dilution of the concentration. The water-fertilizer concentration detector 10 and the fourth control valve 11 ensure that the concentration of the water-fertilizer solution meets the set requirements. The prepared water-fertilizer solution is transported to the crop roots or soil through the connecting joint 12 to achieve precise irrigation.

[0043] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic irrigation device integrating water and fertilizer, characterized in that: It includes a mixing box, a grinder and a liquid fertilizer storage bin, wherein the grinder and the liquid fertilizer storage bin are both arranged above the mixing box and communicated with the interior of the mixing box; The mixing box is provided with a liquid inlet and a liquid outlet, the liquid inlet is connected to a main water pipe, the main water pipe is used to transport water into the mixing box, and the liquid outlet is connected to a liquid extraction pipe, the liquid extraction pipe is used to extract the pre-mixed water-fertilizer solution inside the mixing box; The grinder is used to grind solid fertilizer and transport the ground solid fertilizer into the mixing box; The liquid fertilizer storage bin is used to store liquid fertilizer and quantitatively add liquid fertilizer into the mixing box; A stirring mechanism is provided inside the mixing box, and the stirring mechanism is used to pre-mix the solid fertilizer or liquid fertilizer with water; The main water pipe is connected to a secondary water pipe, and the ends of the secondary water pipe and the liquid extraction pipe are connected to a mixing assembly. The mixing assembly includes at least a mixing tube for secondary mixing of the water-fertilizer solution to dilute the concentration of the water-fertilizer solution to reach a set concentration threshold.

2. The water-fertilizer integrated automatic irrigation device according to claim 1, characterized in that: A driving motor is provided above the grinder, and a rotating shaft is fixedly mounted on the output end of the driving motor. The rotating shaft is connected to a grinding disc, and the grinding disc is used to grind large-particle solid fertilizer.

3. The water-fertilizer integrated automatic irrigation device according to claim 2, characterized in that: A feeding hopper is provided above the grinder for adding fixed fertilizer into the grinder. The discharge port of the grinder is connected to a first control valve, the other end of which is connected to the interior of the mixing box. The first control valve is used to control the quantitative addition of solid fertilizer into the mixing box.

4. The water-fertilizer integrated automatic irrigation device according to claim 1, characterized in that: The discharge port of the liquid fertilizer storage bin is connected to a connecting pipe, the other end of which is connected to the interior of the mixing box. A flow control valve is provided on the connecting pipe for quantitatively adding liquid fertilizer to the interior of the mixing box.

5. The water-fertilizer integrated automatic irrigation device according to claim 1, characterized in that: The stirring mechanism includes a stirring motor, which is fixedly installed on one side of the mixing box. The output shaft of the stirring motor is connected to a stirring shaft, and a stirring rod is fixedly installed on the stirring shaft for stirring water and fertilizer inside the mixing box.

6. The water-fertilizer integrated automatic irrigation device according to claim 1, characterized in that: The mixing assembly also includes a connecting piece, which is arranged in a "Y" shape and is used to connect the mixing pipe with the liquid extraction pipe and the auxiliary water pipe.

7. The water-fertilizer integrated automatic irrigation device according to claim 6, characterized in that: A water-fertilizer concentration detector and a fourth control valve are provided at the end of the mixing tube. The water-fertilizer concentration detector is located at the front end of the fourth control valve. The water-fertilizer concentration detector is used to detect the concentration of the mixed water and fertilizer. The end of the mixing tube is connected to the irrigation pipe through a connecting joint.

8. The water-fertilizer integrated automatic irrigation device according to claim 1, characterized in that: The main water pipe is provided with a second control valve, which is located at the front end of the liquid inlet of the mixing box; the auxiliary water pipe is provided with a third control valve.

9. The water-fertilizer integrated automatic irrigation device according to claim 1, characterized in that: The liquid extraction pipe is provided with a liquid extraction pump for extracting the solution inside the mixing box through the liquid extraction pipe.

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