Accurate fertilization and irrigation control device

Abstract

The utility model relates to the field of agriculture, in particular to a precise fertilization and irrigation control device, which is characterized in that a premixing cavity is arranged in a water tank, a liquid storage tank is arranged in the water tank, the liquid storage tank comprises a first liquid tank and a second liquid tank, a liquid pumping shell is fixedly mounted in the water tank, and liquid pumping cavities in one-to-one correspondence with the liquid storage tank are arranged in the liquid pumping shell; a piston is vertically and movably installed in each liquid pumping cavity, liquid inlet pipes corresponding to the liquid pumping cavities in a one-to-one mode are arranged at the bottom of the liquid pumping shell, a liquid outlet pipe communicated with the liquid inlet pipes is arranged on one sides of the liquid inlet pipes, the end, away from the liquid inlet pipes, of each liquid outlet pipe extends into the premixing cavity, and a liquid inlet one-way valve communicated with the corresponding liquid pumping cavity from the outside is arranged in the position, below the corresponding liquid outlet pipe, of the liquid inlet pipe; a liquid outlet one-way valve communicated from the liquid inlet pipe to the outside is arranged in the liquid outlet pipe; a driving mechanism for driving the piston to reciprocate up and down is arranged in the water tank; the fertilizer liquid in different liquid storage tanks enters the premixing cavity and is mixed with water, and then the mixture is irrigated to crops along with water flow, so that the application of various fertilizers is realized while irrigation is performed.

Description

Technical Field

[0001] The utility model relates to the field of agriculture, and in particular to a precise fertilization and irrigation control device. Background Art

[0002] Water and fertilizer are two important factors that affect crop growth. Research and exploration of technologies and methods to improve crop productivity through fertilization and irrigation has always been a hot topic in agricultural research.

[0003] The utility model patent with application number CN202120962980.9 discloses an irrigation and fertilization device, including a water tank, a water tank pipeline connected to a first water supply pump, the first water supply pump is connected to a water source pipeline; the water tank pipeline is connected to a second water supply pump, the outlet of the second water supply pump is connected to a water supply main pipe, the water supply main pipe is connected to a number of water supply branches, and the water supply branches are provided with a number of nozzles; the water supply main pipe is provided with a reducing section, a fertilizer supply pipe is provided on one side of the reducing section, and the other end of the fertilizer supply pipe is connected to a fertilizer mixing tank. The above-mentioned irrigation and fertilization device draws the fertilizer dissolved in the fertilizer mixing tank into the water supply main pipe through the reducing section and transports it to each nozzle to ensure that the amount of fertilizer reaching each nozzle is constant.

[0004] However, the above-mentioned fertigation device can only apply one type of fertilizer to crops, and is not efficient for crops that require multiple types of fertilizers, and needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a precise fertilization and irrigation control device, which can apply multiple fertilizers at the same time to solve the defects mentioned in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A precision fertilization and irrigation control device comprises a water tank, wherein a premixing chamber is arranged in the water tank, wherein the premixing chamber is connected to a water inlet pipe and a water outlet pipe; wherein a liquid storage tank is also arranged in the water tank, wherein the liquid storage tank comprises a first liquid tank and a second liquid tank; wherein a pumping shell is fixedly installed in the water tank, wherein a pumping chamber corresponding to the liquid storage tank is arranged in the pumping shell, wherein a piston is vertically movably installed in the pumping chamber; wherein a liquid inlet pipe corresponding to the liquid inlet chamber is arranged at the bottom of the pumping shell, wherein the liquid inlet pipe is connected to the corresponding pumping chamber; wherein the pumping shell is provided with a liquid inlet pipe corresponding to the pumping chamber; wherein the pumping pipe is connected to the corresponding pumping chamber; wherein the pumping chamber is provided with a liquid inlet pipe corresponding to the ... The bottom of the liquid cavity, and the liquid inlet pipe is connected with a hose extending to the bottom of the corresponding liquid storage tank, one side of the liquid inlet pipe is provided with a liquid outlet pipe connected thereto, one end of the liquid outlet pipe away from the liquid inlet pipe extends into the premixing chamber, the liquid inlet pipe located below the liquid outlet pipe is provided with a liquid inlet one-way valve connected from the outside to the liquid pumping cavity, and the liquid outlet pipe is provided with a liquid outlet one-way valve connected from the liquid inlet pipe to the outside; a driving mechanism for driving the piston to reciprocate up and down is provided in the water tank.

[0008] As a preferred technical solution, the driving mechanism includes a movable plate that is driven by a power device and moves reciprocatingly up and down, a first pull rod is fixedly installed on the piston corresponding to the first liquid tank, and the movable plate is fixedly installed on the first pull rod; a second pull rod extending vertically is fixedly installed on the piston corresponding to the second liquid tank, and a through hole for the second pull rod to pass through is provided on the movable plate, a baffle matching the movable plate is fixedly installed on the second pull rod located below the movable plate, and a movable stopper matching the movable plate is screwed on the second pull rod located above the movable plate.

[0009] As a further improvement, a vertically extending sliding rod is fixedly mounted on the movable plate, and a guide hole matching the sliding rod is provided on the liquid extraction housing.

[0010] As a further improvement, a stirring shaft driven to rotate by a power device is provided in the premixing chamber, and a stirring rod is fixedly installed at the lower end of the stirring shaft.

[0011] As a further improvement, one end of the water outlet pipe away from the premixing chamber is connected to a diverter pipe, and a plurality of parallel branch pipes are connected to the diverter pipe. The branch pipes are provided with a plurality of liquid outlet holes evenly spaced along the length direction thereof.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The present application drives the piston to reciprocate up and down through a driving mechanism. When the piston moves up, the fertilizer liquid in the corresponding liquid storage tank is sucked into the liquid extraction chamber through a hose and a liquid inlet pipe. When the piston moves down, the fertilizer liquid in the liquid extraction chamber is injected into the premixing chamber through a liquid outlet pipe. The fertilizer liquids in different liquid storage tanks enter the premixing chamber and mix with water, and then are irrigated to the crops with the water flow, thereby realizing the application of multiple fertilizers during irrigation;

[0014] 2. When the movable plate of the present application moves up and down for one stroke, the fertilizer liquid in the first liquid tank is quantitatively injected into the premixing chamber, and the position of the movable stopper can be adjusted up and down by rotating the movable stopper, so that the dosage of the fertilizer liquid sucked into the pumping chamber through the second liquid tank when the movable plate moves up and down for one stroke can be adjusted, so as to proportion the fertilizer amount of the fertilizer liquid in the first liquid tank and the second liquid tank, thereby improving the accuracy of the fertilizer dosage;

[0015] 3. In the present application, the stirring shaft can be driven to rotate by the second motor, and the stirring shaft stirs the water and the fertilizer liquid through the stirring rod, so that the water and the fertilizer liquid in the premixing chamber are mixed more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the premixing chamber of an embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the liquid storage tank of an embodiment of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the driving mechanism of an embodiment of the utility model;

[0021] Figure 5 It is an exploded schematic diagram of the liquid extraction housing according to an embodiment of the utility model.

[0022] In the figure: 1-water tank; 2-premixing chamber; 3-water inlet connecting pipe; 4-water outlet connecting pipe; 5-water inlet pipe; 6-water outlet pipe; 7-liquid storage tank; 8-first liquid tank; 9-second liquid tank; 10-liquid extraction shell; 11-liquid extraction chamber; 12-piston; 13-liquid inlet pipe; 14-hose; 15-liquid outlet pipe; 16-liquid inlet check valve; 17-liquid outlet check valve; 18-movable plate; 19-sliding rod; 20-guide hole; 21-first motor; 22-turntable; 23-first shaft pin; 24-second shaft pin; 25-connecting rod; 26-first pull rod; 27-second pull rod; 28-baffle; 29-movable block; 30-second motor; 31-agitation shaft; 32-agitation rod; 33-diverter pipe; 34-branch pipe; 35-liquid outlet hole; 36-water pump. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 5As shown, a precision fertilization and irrigation control device includes a water tank 1, a premixing chamber 2 is provided at the front end of the water tank 1, and a water inlet connecting pipe 3 and a water outlet connecting pipe 4 connected to the premixing chamber 2 are provided at the lower ends of the left and right sides of the water tank 1, respectively. The water inlet connecting pipe 3 is connected to the water inlet pipe 5, the water inlet pipe 5 is connected to the water source, and the water outlet connecting pipe 4 is connected to the water outlet pipe 6. A water pump 36 is provided on the water inlet pipe 5 and the water outlet pipe 6. Water is injected into the premixing chamber 2 through the water inlet pipe 5. After the water and fertilizer liquid are mixed in the premixing chamber 2, the water of the mixed fertilizer liquid is irrigated to the crops through the water outlet pipe 6. In addition, a sensor for monitoring the liquid level is provided in the premixing chamber 2. When the liquid level in the premixing chamber 2 exceeds a preset range, the water pump 36 on the water inlet pipe 5 is controlled to slow down the injection of water into the premixing chamber 2 to prevent the water in the premixing chamber 2 from overflowing.

[0025] like Figure 3 As shown, a liquid storage tank 7 for storing fertilizer liquid is also provided in the water tank 1, and the liquid storage tank 7 includes a first liquid tank 8 and a second liquid tank 9, which are arranged side by side on the same side of the premixing chamber 2. A plurality of partitions are fixedly installed in the water tank 1, and the inner cavity of the water tank 1 is divided into the premixing chamber 2, the first liquid tank 8 and the second liquid tank 9 by the plurality of partitions. There is one first liquid tank 8, and one or more second liquid tanks 9 can be provided. The number of second liquid tanks 9 can be set according to the number of types of fertilizers to be applied. In this embodiment, there are one first liquid tank 8 and one second liquid tank 9, and the first liquid tank 8 and the second liquid tank 9 are arranged side by side on the left and right sides at the rear side of the premixing chamber 2, so that two different fertilizers can be applied to the crops while irrigating.

[0026] like Figure 3 and Figure 5 As shown, a liquid pumping housing 10 is fixedly installed on a partition shared by the first liquid tank 8 and the second liquid tank 9 by bolts, and a liquid pumping cavity 11 corresponding to the liquid storage tank 7 is provided in the liquid pumping housing 10, and the liquid pumping cavity 11 is in a vertically extending cylindrical shape, and the upper end of the liquid pumping cavity 11 is opened, and a piston 12 is vertically movably installed in the liquid pumping cavity 11, and a liquid inlet pipe 13 corresponding to the liquid pumping cavity 11 is integrally formed at the bottom of the liquid pumping housing 10, and the upper end of the liquid inlet pipe 13 is connected to the bottom of the corresponding liquid pumping cavity 11, and the liquid inlet pipe 13 is connected to the bottom of the corresponding liquid pumping cavity 11. The lower end is connected with a hose 14 extending to the bottom of the corresponding liquid storage tank 7, and a liquid outlet pipe 15 connected thereto is integrally formed on one side of the liquid inlet pipe 13. The end of the liquid outlet pipe 15 away from the liquid inlet pipe 13 extends forward to the premixing chamber 2. The liquid inlet pipe 13 below the liquid outlet pipe 15 is provided with a liquid inlet one-way valve 16 connected from the outside to the liquid pumping chamber 11, and the liquid outlet pipe 15 is provided with a liquid outlet one-way valve 17 connected from the liquid inlet pipe 13 to the outside; a driving mechanism for driving the piston 12 to reciprocate up and down is provided in the water tank 1.

[0027] During irrigation, the piston 12 is driven by the driving mechanism to reciprocate up and down. When the piston 12 moves up, the fertilizer liquid in the corresponding liquid storage tank 7 is sucked into the liquid extraction chamber 11 through the hose 14 and the liquid inlet pipe 13; when the piston 12 moves down, the fertilizer liquid in the liquid extraction chamber 11 is injected into the premixing chamber 2 through the liquid outlet pipe 15; the fertilizer liquids in different liquid storage tanks 7 enter the premixing chamber 2 and are mixed with water, and then irrigated to the crops with the water flow, thereby realizing the application of multiple fertilizers during irrigation.

[0028] like Figure 3 and Figure 4 As shown, the driving mechanism includes a movable plate 18 driven by a power device and reciprocating up and down, and the movable plate 18 is located above the liquid pumping housing 10. In this embodiment, both ends of the movable plate 18 are respectively fixed with vertically extending sliding rods 19 by bolts, and the liquid pumping housing 10 is provided with a guide hole 20 matching the sliding rod 19, thereby providing support and guiding effects on the movable plate 18, and improving the stability of the movable plate 18 moving up and down; a horizontally arranged first motor mounting plate is fixedly installed in the upper end of the water tank 1, and a first motor 21 with a horizontally extending rotating shaft is installed on the top of the first motor mounting plate by bolts, and a turntable 22 is coaxially fixedly installed on the rotating shaft of the first motor 21, and an eccentrically arranged first shaft pin 23 is embedded on one side of the turntable 22, and a second shaft pin 24 parallel to the first shaft pin 23 is embedded on the movable plate 18, and a connecting rod 25 is hinged between the first shaft pin 23 and the second shaft pin 24. The first motor 21 drives the turntable 22 to rotate, and the turntable 22 drives the first shaft pin 23 to make a circular motion, and then the first shaft pin 23 drives the second shaft pin 24 and the movable plate 18 to move up and down reciprocatingly through the connecting rod 25.

[0029] like Figure 3 and Figure 5 As shown, a first pull rod 26 extending upward is fixedly installed on the piston 12 corresponding to the first liquid tank 8, and a movable plate 18 is fixedly installed on the upper end of the first pull rod 26 by bolts; a second pull rod 27 extending vertically is fixedly installed on the piston 12 corresponding to the second liquid tank 9, and the upper ends of the first pull rod 26 and the second pull rod 27 both extend upward from the top of the liquid extraction housing 10, and a through hole for the second pull rod 27 to pass through is provided on the movable plate 18, and a baffle 28 matching the movable plate 18 is fixedly installed on the second pull rod 27 located below the movable plate 18 by bolts, and an external thread is provided on the outer side of the upper end of the movable plate 18, and a movable stopper 29 matching the movable plate 18 is screwed on the second pull rod 27 located above the movable plate 18, and the baffle 28 and the movable stopper 29 are both cylindrical, and the outer diameters of the baffle 28 and the movable stopper 29 are both larger than the inner diameter of the through hole on the movable plate 18.

[0030] Specifically, when the movable plate 18 reciprocates up and down, it will drive the first pull rod 26 and the corresponding piston 12 to move up and down synchronously, so that when the movable plate 18 moves up and down by one stroke, the fertilizer liquid in the first liquid tank 8 is quantitatively injected into the premixing chamber 2.

[0031] In addition, during the upward movement of the movable plate 18, when the movable plate 18 moves up to the bottom of the movable stopper 29, the movable plate 18 continues to move up to drive the second pull rod 27 and the corresponding piston 12 to move up synchronously, so as to suck part of the fertilizer liquid in the second liquid tank 9 into the corresponding liquid extraction chamber 11; during the downward movement of the movable plate 18, when the movable plate 18 moves down to the lowest point of the stroke, the movable plate 18 acts on the baffle 28 and makes the corresponding piston 12 move down to the bottom of the liquid extraction chamber 11, so as to inject the fertilizer liquid in the liquid extraction chamber 11 into the premixing chamber 2. By rotating the movable stopper 29 to adjust the position of the movable stopper 29 up and down, the dosage of the fertilizer liquid sucked into the liquid extraction chamber 11 through the second liquid tank 9 when the movable plate 18 moves up and down by one stroke can be adjusted, so as to proportion the fertilizer amount of the fertilizer liquid in the first liquid tank 8 and the second liquid tank 9, and improve the accuracy of the fertilizer dosage.

[0032] like Figure 2 As shown, in order to make the water and fertilizer liquid in the premixing chamber 2 mix more evenly, a horizontally arranged second motor mounting plate is fixedly installed in the upper end of the premixing chamber 2, and a second motor 30 with a rotating shaft extending downward is installed on the top of the second motor mounting plate by bolts, and a vertically extending stirring shaft 31 is fixedly installed on the rotating shaft of the second motor 30 by a coupling, and a plurality of stirring rods 32 are welded to the lower end of the stirring shaft 31. The stirring shaft 31 is driven to rotate by the second motor 30, and the stirring shaft 31 stirs the water and fertilizer liquid through the stirring rods 32.

[0033] like Figure 1 As shown, in order to achieve water-saving irrigation, the end of the water outlet pipe 6 away from the premixing chamber 2 is connected to a shunt pipe 33, and a plurality of parallel branch pipes 34 are connected to the shunt pipe 33, and the spacing between two adjacent branch pipes 34 can be set according to the spacing between two adjacent rows of crops; the branch pipe 34 is provided with a plurality of liquid outlet holes 35 evenly spaced along the length direction thereof, and the spacing between two adjacent liquid outlet holes 35 can be set according to the spacing between two adjacent crops in the same row.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A precision fertilization and irrigation control device, characterized in that: The water tank comprises a water tank, wherein a premixing chamber is provided in the water tank, and the premixing chamber is connected to a water inlet pipe and a water outlet pipe; the water tank is also provided with a liquid storage tank, and the liquid storage tank comprises a first liquid tank and a second liquid tank, a liquid pumping shell is fixedly installed in the water tank, a liquid pumping chamber corresponding to the liquid storage tank is provided in the liquid pumping shell, a piston is vertically movably installed in the liquid pumping chamber, a liquid inlet pipe corresponding to the liquid pumping chamber is provided at the bottom of the liquid pumping shell, the liquid inlet pipe is connected to the bottom of the corresponding liquid pumping chamber, and the liquid inlet pipe is connected to a hose extending to the bottom of the corresponding liquid storage tank, a liquid outlet pipe connected thereto is provided on one side of the liquid inlet pipe, and an end of the liquid outlet pipe away from the liquid inlet pipe extends into the premixing chamber, a liquid inlet one-way valve communicating from the outside to the liquid pumping chamber is provided in the liquid inlet pipe located below the liquid outlet pipe, and a liquid outlet one-way valve communicating from the liquid inlet pipe to the outside is provided in the liquid outlet pipe; a driving mechanism for driving the piston to reciprocate up and down is provided in the water tank.

2. A precise fertilization and irrigation control device as claimed in claim 1, characterized in that: The driving mechanism includes a movable plate that is driven by a power device and reciprocates up and down. A first pull rod is fixedly installed on the piston corresponding to the first liquid tank, and the movable plate is fixedly installed on the first pull rod; a vertically extending second pull rod is fixedly installed on the piston corresponding to the second liquid tank, and a through hole for the second pull rod to pass through is provided on the movable plate, a baffle matching the movable plate is fixedly installed on the second pull rod located below the movable plate, and a movable stopper matching the movable plate is screwed on the second pull rod located above the movable plate.

3. A precise fertilization and irrigation control device as claimed in claim 2, characterized in that: A vertically extending sliding rod is fixedly mounted on the movable plate, and a guide hole matching the sliding rod is provided on the liquid extraction housing.

4. A precise fertilization and irrigation control device as claimed in claim 1, characterized in that: A stirring shaft driven to rotate by a power device is arranged in the premixing chamber, and a stirring rod is fixedly mounted on the lower end of the stirring shaft.

5. The precise fertilization and irrigation control device according to claim 1, characterized in that: One end of the water outlet pipe away from the premixing chamber is connected to a diverter pipe, and the diverter pipe is connected to a plurality of parallel branch pipes, and the branch pipes are provided with a plurality of liquid outlet holes evenly spaced along the length direction thereof.

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