Fertilizer sprayer for sprinkler

Abstract

The invention discloses a fertilizer sprayer for a sprinkler, which includes a controller, a one-way valve installed on a sprinkler main pipeline, the sprinkler main pipeline upstream of the one-way valve is called a front sprinkler pipe, the sprinkler main pipeline downstream of the one-way valve is called a rear sprinkler pipe, and includes a solution tank, the solution tank is provided with a solution agitator, the solution tank is connected to the front sprinkler pipe through a water adding pipe, the water adding pipe is provided with a water adding electric valve, and a liquid level sensor is provided inside the solution tank; the solution tank is connected to the pesticide tank through a dosing pipe, a dosing valve and a dosing pump, the solution tank is connected to the rear sprinkler pipe through a front fertilizer injection pipe, a fertilizer injection pump and a rear fertilizer injection pipe, the solution tank is connected to the rear spray pipe through a front spray pipe and a spray pump, the front spray pipe is provided with a front spray valve, the liquid level sensor is connected to the controller through a signal input circuit, and the control circuit of the controller is respectively connected to the dosing pump, the fertilizer injection pump and the spray pump. It is a fertilizer sprayer used in conjunction with a sprinkler, has a simple structure, stable performance, and can achieve quantitative fertilization or spraying.

Description

Technical Field

[0001] The invention relates to a facility agriculture equipment, in particular to a fertilizing and pesticide spraying machine for a sprinkler which is used to add fertilizer or pesticide to a main pipeline of the sprinkler. Background Art

[0002] Sprinkler irrigation, as a relatively mature water-saving irrigation technology, has been widely used in agricultural irrigation. Due to the lack of special fertilization and pesticide spraying devices matching sprinkler irrigation, the water-fertilizer-pesticide integrated irrigation fertilization and pesticide spraying technology has not been widely promoted and applied. Therefore, it is very necessary to develop a fertilization and pesticide spraying machine that fills fertilizers in the main pipe of sprinkler irrigation and hangs a spraying pipe on the main pipe of sprinkler irrigation. Summary of the invention

[0003] The purpose of the present invention is to solve the problems existing in the prior art and to provide a fertilizer sprayer for a sprinkler. The fertilizer sprayer is used in conjunction with the sprinkler and has a simple structure and stable performance, and can realize quantitative fertilization or spraying.

[0004] The object of the present invention is achieved in this way: a fertilizer sprayer for a sprinkler, characterized in that it includes a controller, a one-way valve installed on a sprinkler main pipeline, the sprinkler main pipeline upstream of the one-way valve is called a front sprinkler pipe, and the sprinkler main pipeline downstream of the one-way valve is called a rear sprinkler pipe, including a solution tank, the solution tank is provided with a solution agitator, the solution tank is connected to the front sprinkler pipe through a water adding pipe, the water adding pipe is provided with a water adding electric valve, and a liquid level sensor is provided inside the solution tank; the solution tank is connected to the pesticide tank through a dosing pipe, a dosing valve and a dosing pump, the solution tank is connected to the rear sprinkler pipe through a front fertilizer injection pipe, a fertilizer injection pump and a rear fertilizer injection pipe, the solution tank is connected to the rear spray pipe through a front spray pipe and a spray pump, the front spray pipe is provided with a front spray valve, the liquid level sensor is connected to the controller through a signal input circuit, and the control circuit of the controller is respectively connected to the dosing pump, the fertilizer injection pump and the spray pump.

[0005] Preferably, a device for adding solid fertilizer into the solution tank is included.

[0006] Preferably, the device for adding solid fertilizer comprises a screw-type fertilizer feeder arranged on the upper part of the solution tank, the screw-type fertilizer feeder is driven by a servo motor, and the control circuit of the controller is connected to the servo motor.

[0007] Preferably, the device for adding solid fertilizers includes a fertilizer dissolving tank, which is provided with a paddle agitator. The fertilizer dissolving tank is connected to the front sprinkler pipe through a fertilizer dissolving water pipe, on which a fertilizer dissolving water valve is provided. The fertilizer dissolving tank is connected to the solution tank through a fertilizer adding pipe and a fertilizer adding pump, and the control circuit of the controller is connected to the fertilizer adding pump.

[0008] Preferably, a bypass pipe is connected to the rear fertilizer injection pipe through a front tee and a rear tee of fertilizer injection, a shunt pipe is connected between the rear fertilizer injection pipe and the bypass pipe through a middle tee and a side tee of fertilizer injection, a shunt valve is provided on the shunt pipe, a rear fertilizer injection valve is provided on the rear fertilizer injection pipe between the front tee and the middle tee of fertilizer injection, a venturi ejector and a bypass valve are provided on the bypass pipe between the rear tee and the side tee of fertilizer injection, the venturi ejector is connected to a micro-fertilizer pipe, and a flow meter and a liquid fertilizer flow regulating valve are provided on the micro-fertilizer pipe; a front fertilizer injection valve is provided on the front fertilizer injection pipe, a water injection tee is provided on the front fertilizer injection pipe between the front fertilizer injection valve and the fertilizer injection pump, and the water injection tee is connected to the front sprinkler pipe through the water injection pipe and the water injection valve.

[0009] Preferably, the solution agitator is a circulating water agitator, which includes a stirring pump, a front stirring pipe connecting the bottom of the solution tank and the water inlet of the stirring pump, and a rear stirring pipe connecting the upper part of the solution tank and the water outlet of the stirring pump.

[0010] Preferably, it includes a clean water tank, which is connected to the front sprinkler pipe through a clean water pipe, and a clean water valve is provided on the clean water pipe; a water adding tee is provided on the water adding pipe between the water adding electric valve and the solution tank, the clean water tank is connected to the water adding tee through the clean water adding pipe, the clean water adding valve and the clean water pump, a front cleaning tee is provided on the front spraying pipe between the front spraying valve and the spraying pump, the clean water tank is connected to the front cleaning tee through the front cleaning pipe and the front cleaning valve, a rear spraying pipe is provided with a rear spraying valve, a rear cleaning tee is provided on the rear spraying pipe between the rear spraying valve and the spraying pump, the rear cleaning tee is connected to the rear cleaning pipe, and a rear cleaning valve is provided on the rear cleaning pipe.

[0011] Preferably, the dosing pump is a peristaltic pump and the spraying pump is a high-pressure pump.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] It is a fertilizer sprayer used in conjunction with sprinkler irrigation equipment. It has the functions of applying solid fertilizers, liquid fertilizers, trace element liquid fertilizers, spraying pesticides and cleaning equipment, and can also achieve uniform, accurate and quantitative application of fertilizers and pesticides.

[0014] It controls each functional component through the controller and sets the working parameters through the controller's operating panel. It can also expand various detection functions, such as: detecting field temperature and humidity, wind speed, etc., and automatically recording data to accumulate data for agricultural big data; it can also achieve remote control through communication software, with a high degree of automation.

[0015] In addition, it has the characteristics of simple structure, convenience, practicality, labor saving and energy saving. It is suitable for use with existing sprinkler irrigation devices and can realize integrated farmland operations of water, fertilizer and medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1, a schematic diagram of a fertilizer spraying machine for a sprinkler irrigation machine according to embodiment 1 of the present invention;

[0017] Figure 2 , a schematic diagram of a fertilizer spraying machine for a sprinkler according to embodiment 2 of the present invention;

[0018] Figure 3 , a schematic diagram of a fertilizer sprayer for a sprinkler according to embodiment 3 of the present invention.

[0019] In the figure: 1- one-way valve, 2- front sprinkler pipe, 3- rear sprinkler pipe, 4- solution tank, 5- water pipe, 6- water electric valve, 7- liquid level sensor, 8- screw fertilizer feeder, 9- servo motor, 10- dosing pipe, 11- dosing pump, 12- pesticide tank, 13- front fertilizer injection pipe, 14- fertilizer injection pump, 15- rear fertilizer injection pipe, 16- front spraying pipe, 17- spraying pump, 18- rear spraying pipe, 19- front spraying valve, 20- front three-way for fertilizer injection, 21- rear three-way for fertilizer injection, 22- bypass pipe, 23- middle three-way for fertilizer injection, 24- bypass three-way, 25- diverter pipe, 26- diverter valve, 27- rear fertilizer injection valve, 28- venturi ejector, 29- bypass valve, 30- micro fertilizer pipe, 3 1-flow meter, 32-liquid fertilizer flow regulating valve, 33-front fertilizer injection valve, 34-water injection tee, 35-water injection pipe, 36-water injection valve, 37-mixing pump, 38-front mixing pipe, 39-rear mixing pipe, 40-clean water tank, 41-clean water pipe, 42-clean water valve, 43-water adding tee, 44-clean water adding pipe, 45-clean water pump, 46-front cleaning tee, 47-front cleaning pipe, 48-front cleaning valve, 49-rear spraying valve, 50-rear cleaning tee, 51-rear cleaning valve, 52-rear cleaning pipe, 53-dissolving fertilizer tank, 54-mixer, 55-dissolving fertilizer water pipe, 56-dissolving fertilizer water valve, 57-fertilizer adding pipe, 58-fertilizer adding pump, 59-dosing valve, 60-adding clean water valve. DETAILED DESCRIPTION

[0020] The present invention is described in detail below in conjunction with the accompanying drawings.

[0021] Example 1: Figure 1As shown, a fertilizer sprayer for a sprinkler includes a controller, a one-way valve 1 installed on a sprinkler main pipeline, the sprinkler main pipeline upstream of the one-way valve 1 is called a front sprinkler pipe 2, and the sprinkler main pipeline downstream of the one-way valve 1 is called a rear sprinkler pipe 3, including a solution tank 4, the solution tank 4 is provided with a solution agitator, the solution tank 4 is connected to the front sprinkler pipe 2 through a water adding pipe 5, the water adding pipe 5 is provided with a water adding electric valve 6, and the solution tank 4 is provided with a liquid level sensor 7; a fertilizer adder for adding solid fertilizer into the solution tank is provided on the upper part of the solution tank 4, and the fertilizer adder is a screw fertilizer adder 8 driven by a servo motor 9; the solution tank 4 is connected to a pesticide tank 12 through a dosing pipe 10, a dosing valve 59 and a dosing pump 11, and the solution tank 4 is connected to the rear sprinkler pipe 3 through a front fertilizer injection pipe 13, a fertilizer injection pump 14 and a rear fertilizer injection pipe 15; the solution tank 4 is connected to the front spraying pipe 16 and the spraying pump 17 The rear spraying pipe 18 and the front spraying pipe 16 are provided with a front spraying valve 19; the bypass pipe 22 is connected to the rear fertilizer injection pipe 15 through the front fertilizer injection tee 20 and the rear fertilizer injection tee 21, the rear fertilizer injection pipe 15 and the bypass 22 are connected through the fertilizer injection middle tee 23 and the side tee 24, and the shunt pipe 25 is provided with a shunt valve 26, the rear fertilizer injection pipe 15 between the front fertilizer injection tee 20 and the fertilizer injection middle tee 23 is provided with a rear fertilizer injection valve 27, the bypass pipe 22 between the rear fertilizer injection tee 21 and the side tee 24 is provided with a venturi ejector 28 and a bypass valve 29, the venturi ejector 28 is connected to the micro-fertilizer pipe 30, the micro-fertilizer pipe 30 is provided with a flow meter 31 and a liquid fertilizer flow regulating valve 32, and the front fertilizer injection pipe 13 is provided with a front injection Fertilizer valve 33; a water injection tee 34 is provided on the front fertilizer injection pipe 13 between the front fertilizer injection valve 33 and the fertilizer injection pump 14, and the water injection tee 34 is connected to the front sprinkler pipe 2 through the water injection pipe 35 and the water injection valve 36; the solution agitator is a circulating water agitator, which includes a stirring pump 37, a front stirring pipe 38 connecting the bottom of the solution tank 4 and the water inlet of the stirring pump 37, and a rear stirring pipe 39 connecting the upper part of the solution tank 4 and the water outlet of the stirring pump 37; it includes a clean water tank 40, the clean water tank 40 is connected to the front sprinkler pipe 2 through a clean water pipe 41, and a clean water valve 42 is provided on the clean water pipe 41; a water addition tee 43 is provided on the water addition pipe 5 between the water addition electric valve 6 and the solution tank 4, and the clean water tank 40 is connected to the front sprinkler pipe 2 through the clean water addition pipe 44, the clean water addition valve 60 and the clean water The pump 45 is connected to the water adding tee 43; a front cleaning tee 46 is provided on the front spraying pipe 16 between the front spraying valve 19 and the spraying pump 17, the clean water tank 40 is connected to the front cleaning tee 46 through the front cleaning pipe 47 and the front cleaning valve 48, a rear spraying pipe 18 is provided with a rear spraying valve 49, and a rear cleaning tee 50 is provided on the rear spraying pipe 18 between the rear spraying valve 49 and the spraying pump 17, the rear cleaning tee 50 is connected to the rear cleaning pipe 52, and the rear cleaning valve 51 is provided on the rear cleaning pipe 52; the dosing pump is a peristaltic pump, and the spraying pump is a high-pressure pump; the liquid level sensor is connected to the controller through a signal input circuit, and the control circuit of the controller is respectively connected to the servo motor, the dosing pump, the fertilizer injection pump, the spraying pump, the stirring pump and the clean water pump.

[0022] The working procedure of this embodiment 1 is as follows:

[0023] 1. Fertilization with solid fertilizer:

[0024] (1) According to the amount of solid fertilizer applied per unit area, the speed of the screw fertilizer feeder 8 and the speed of the fertilizer injection pump 14 are set;

[0025] (2) Close the clean water valve 60, the chemical adding valve 59, the front chemical spraying valve 19, the water injection valve 36, and the bypass valve 29; open the front fertilizer injection valve 33 and the rear fertilizer injection valve 27;

[0026] (3) The controller detects the liquid level sensor 7, and automatically opens and closes the water adding electric valve 6 according to the liquid level data to maintain a certain water level in the solution tank 4;

[0027] (4) The controller starts the stirring pump 37 to continuously circulate and stir the liquid in the solution tank 4;

[0028] (5) The controller starts the screw fertilizer feeder 8 to uniformly add solid fertilizer into the solution tank 4 according to the set flow rate;

[0029] (6) The controller starts the fertilizer injection pump 14 to uniformly inject the fertilizer solution into the rear sprinkler pipe 3 according to the set flow rate, thereby achieving accurate and quantitative application of solid fertilizer.

[0030] 2. Liquid fertilizer fertilization:

[0031] (1) Add liquid fertilizer into the pesticide tank;

[0032] (2) According to the amount of liquid fertilizer applied per unit area, the speed of the dosing pump 11 and the speed of the fertilizer injection pump 14 are set;

[0033] (3) Close the fresh water valve 60, the front spray valve 19, the water injection valve 36, and the bypass valve 29; open the dosing valve 59, the front fertilizer injection valve 33, and the rear fertilizer injection valve 27;

[0034] (4) The controller detects the liquid level sensor 7, and automatically opens and closes the water adding electric valve 6 according to the liquid level data to maintain a certain water level in the solution tank 4;

[0035] (5) The controller starts the stirring pump 37 to continuously circulate and stir the liquid in the solution tank 4;

[0036] (6) The controller starts the dosing pump 11 to add liquid fertilizer into the solution tank 4 at a uniform speed according to the set flow rate;

[0037] (7) The controller starts the fertilizer injection pump 14 to uniformly inject the fertilizer solution into the rear sprinkler pipe 3 according to the set flow rate, thereby achieving precise and quantitative application of liquid fertilizer.

[0038] 3. Fertilization with trace element liquid fertilizer:

[0039] (1) Setting the rotation speed of the fertilizer injection pump 14;

[0040] (2) Close the front fertilizer injection valve 33 and the rear fertilizer injection valve 27, and open the bypass valve 29;

[0041] (3) The controller starts the fertilizer injection pump 14, and uniformly inputs the water in the front sprinkler pipe into the rear sprinkler pipe 3 through the water injection pipe, the fertilizer injection pump 14 and the bypass pipe 22 according to the set flow rate; the Venturi ejector 28 provided on the bypass pipe 22 uses the pressure difference principle to suck a small amount of liquid fertilizer into the bypass pipe 22 through the fertilizer liquid pipe 30 and input it into the rear sprinkler pipe 3;

[0042] (4) According to the amount of liquid fertilizer applied per unit area, the amount of liquid fertilizer added is adjusted by adjusting the liquid fertilizer flow regulating valve 32, so that the flow meter stably displays the specified flow value; at the same time, the water flow rate of the bypass pipe 22 can be adjusted by adjusting the opening of the diverter valve 26 and the bypass valve 29, thereby expanding the adjustment range of the liquid fertilizer, thereby achieving precise quantitative application of trace element liquid fertilizer.

[0043] 4. Spraying pesticides:

[0044] (1) According to the spray dosage and spray concentration requirements per unit area, the speed of the dosing pump 11 and the speed of the spray pump 17 are set;

[0045] (2) Open the clean water valve 42, fill the clean water tank 40 with water through the clean water pipe 41, and add pesticide into the pesticide tank;

[0046] (3) Close the water adding electric valve 6, the front fertilizer injection valve 33, the front cleaning valve 48, and the rear cleaning valve 51, and open the dosing valve 59, the front spraying valve 19, and the rear spraying valve 49;

[0047] (4) The controller detects the liquid level sensor 7, and automatically starts and stops the clean water pump 45 according to the liquid level data to maintain a certain water level in the solution tank 4;

[0048] (5) The controller starts the stirring pump 37 to continuously circulate and stir the liquid in the solution tank 4;

[0049] (6) The controller starts the dosing pump 11 to add liquid pesticide into the solution tank 4 at a uniform speed according to the set flow rate.

[0050] (7) The controller starts the spray pump 17 to uniformly inject high-pressure pesticide solution into the rear spray pipe according to the set flow rate, thereby achieving precise and quantitative spraying of pesticides.

[0051] 5. Cleaning equipment:

[0052] (1) Open the clean water valve 42 and fill the clean water tank 40 with water through the clean water pipe 41;

[0053] (2) Close the front spray valve 19 and the rear spray valve 49, and open the front cleaning valve 48 and the rear cleaning valve 51;

[0054] (3) The controller starts the spray pump 17 to pump the clean water in the clean water tank 40 into the rear cleaning pipe 52 through the front cleaning pipe 47 and the spray pump 17 at high pressure. The cleaning pipe 52 can be connected to a cleaning water gun for cleaning the equipment.

[0055] Example 2: Figure 2 As shown, other structures are the same as those of Example 1, except that: the screw fertilizer feeder 8 driven by the servo motor 9 is eliminated, and solid fertilizers are added to the solution tank 4 in batches manually; the circulating water agitator is eliminated, and the solution agitator adopts a paddle agitator 59 driven by a motor to rotate.

[0056] The working procedure of this embodiment 2 is basically the same as that of embodiment 1, except that the solid fertilizer is added to the solution tank 4 in batches, and a paddle stirrer 59 is used.

[0057] Example 3: Figure 3 As shown, the other structures are the same as those of Example 1, except that: the screw fertilizer feeder 8 driven by the servo motor 9 is cancelled; a fertilizer dissolving tank 53 is added, the fertilizer dissolving tank 53 is provided with a paddle stirrer 54, the fertilizer dissolving tank 53 is connected to the front sprinkler pipe 2 through a fertilizer dissolving water pipe 55, a fertilizer dissolving water valve 56 is provided on the fertilizer dissolving water pipe 55, and the fertilizer dissolving tank 53 is connected to the solution tank 4 through a fertilizer adding pipe 57 and a fertilizer adding pump 58; the control circuit of the controller is connected to the fertilizer adding pump 58.

[0058] The working procedure of this embodiment 3 is basically the same as that of embodiment 1, except that the screw fertilizer feeder 8 is replaced by a fertilizer dissolving tank 53, and the fertilizer solution is added into the solution tank 4 at a uniform speed.

[0059] The contents of the above specific implementation methods are only used to illustrate the technical solution of the present invention, rather than to limit the protection scope of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A fertilizer sprayer for a sprinkler, Features: It includes a controller, a one-way valve installed on the sprinkler main pipe, the sprinkler main pipe upstream of the one-way valve is called the front sprinkler pipe, the sprinkler main pipe downstream of the one-way valve is called the rear sprinkler pipe, and includes a solution tank, the solution tank is provided with a solution agitator, the solution tank is connected to the front sprinkler pipe through a water adding pipe, the water adding pipe is provided with a water adding electric valve, and a liquid level sensor is provided inside the solution tank; the solution tank is connected to the pesticide tank through a dosing pipe, a dosing valve and a dosing pump, the solution tank is connected to the rear sprinkler pipe through a front fertilizer injection pipe, a fertilizer injection pump and a rear fertilizer injection pipe, the solution tank is connected to the rear spray pipe through a front spray pipe and a spray pump, the front spray pipe is provided with a front spray valve, and the liquid level sensor is connected to the controller through a signal input circuit. The control circuit of the controller is respectively connected to the dosing pump, the fertilizer injection pump and the spraying pump; it includes a device for adding solid fertilizer into the solution tank; the device for adding solid fertilizer includes a screw fertilizer feeder arranged on the upper part of the solution tank, the screw fertilizer feeder is driven by a servo motor, and the control circuit of the controller is connected to the servo motor; the device for adding solid fertilizer includes a fertilizer dissolving tank, the fertilizer dissolving tank is provided with a paddle stirrer, the fertilizer dissolving tank is connected to the front sprinkler pipe through a fertilizer dissolving water pipe, a fertilizer dissolving water valve is provided on the fertilizer dissolving water pipe, the fertilizer dissolving tank is connected to the solution tank through a fertilizer adding pipe and a fertilizer adding pump, and the control circuit of the controller is connected to the fertilizer adding pump; The bypass pipe is connected on the rear fertilizer injection pipe through the front fertilizer injection tee and the rear fertilizer injection tee, the rear fertilizer injection pipe and the bypass pipe are connected to the shunt pipe through the fertilizer injection middle tee and the side tee, the shunt pipe is provided with a shunt valve, the rear fertilizer injection pipe between the front fertilizer injection tee and the middle fertilizer injection tee is provided with a rear fertilizer injection valve, the bypass pipe between the rear fertilizer injection tee and the side tee is provided with a venturi ejector and a bypass valve, the venturi ejector is connected to the micro-fertilizer pipe, the micro-fertilizer pipe is provided with a flow meter and a liquid fertilizer flow regulating valve, the front fertilizer injection pipe is provided with a front fertilizer injection valve, the front fertilizer injection pipe between the front fertilizer injection valve and the fertilizer injection pump is provided with a water injection tee, the water injection tee is connected to the front fertilizer injection pump through the water injection pipe and the water injection valve Sprinkler pipe; the fertilizer sprayer for the sprinkler includes a clean water tank, which is connected to the front sprinkler pipe through a clean water pipe, and a clean water valve is provided on the clean water pipe; a water adding tee is provided on the water adding pipe between the water adding electric valve and the solution tank, the clean water tank is connected to the water adding tee through the clean water adding pipe, the clean water adding valve and the clean water pump, a front cleaning tee is provided on the front spraying pipe between the front spraying valve and the spraying pump, the clean water tank is connected to the front cleaning tee through the front cleaning pipe and the front cleaning valve, a rear spraying valve is provided on the rear spraying pipe, a rear cleaning tee is provided on the rear spraying pipe between the rear spraying valve and the spraying pump, the rear cleaning tee is connected to the rear cleaning pipe, and a rear cleaning valve is provided on the rear cleaning pipe.

2. The fertilizer sprayer for sprinkler according to claim 1, Features: The solution agitator is a circulating water agitator, which comprises a stirring pump, a front stirring pipe connecting the bottom of the solution tank and the water inlet of the stirring pump, and a rear stirring pipe connecting the upper part of the solution tank and the water outlet of the stirring pump.

3. The fertilizer spraying machine for a sprinkler according to claim 1, Features: The dosing pump is a peristaltic pump and the spray pump is a high-pressure pump.

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