Intelligent fertilization system

Abstract

The utility model relates to the technical field of irrigation equipment, and discloses an intelligent fertilization system which comprises a water storage tank, a clear water pipe, a fertilizer applicator, a mother liquor pipe, a fertilizer supply device, an irrigation assembly and a control device, the irrigation assembly comprises a water and fertilizer main pipe, a plurality of water and fertilizer branch pipes, a first control valve and a plurality of second control valves; the fertilizer supply device is provided with a fertilizer supply port; the fertilizer applicator is provided with a water inlet, a fertilizer inlet and a fertilizer outlet; the water outlet end of the water storage tank is communicated with the water inlet through the clear water pipe; the fertilizer supply port is communicated with the fertilizer inlet through a mother liquor pipe; the fertilizer outlet is communicated with the irrigation assembly; the control valves are arranged between the fertilizer supply port and the fertilizer inlet and between the water-fertilizer main pipe and the water-fertilizer branch pipes, and the control valves are connected with the fertilizer applicator; the control device is connected with the fertilizer applicator. The utility model solves the problems that the prior art is unstable in fertilization and cannot meet the nutrient requirements of crops, and has the characteristics of high fertilizer utilization rate and no dependence on manpower.

Description

Technical Field

[0001] The utility model relates to the technical field of irrigation equipment, and more specifically to an intelligent fertilization system. Background Art

[0002] In the process of agricultural planting, the fertilizer requirements and management methods of different crop varieties and different growth stages of crops are inconsistent, and the requirements for planting technology personnel are high. At present, there are still many growers who use manual irrigation and fertilization, which has problems such as high labor intensity of staff, low fertilizer utilization rate and low fertilization accuracy. According to statistics, the utilization efficiency of fertilizers has shown a downward trend year by year. In order to pursue high crop yields, growers in most areas blindly increase the amount of chemical fertilizers. This method of blindly applying fertilizers without considering the cumulative demand for crop nutrient absorption not only causes a lot of fertilizer waste, but also brings a series of problems such as soil compaction and acidification, which has an adverse impact on the sustainable development of my country's agricultural production.

[0003] To solve the above problems, there is an automatic irrigation and fertilization system, which includes a water source, a water pump and a fertilizer applicator; the fertilizer applicator consists of a pipe network, a control box, a fertilizer box and a support frame, and the pipe network, the control box and the fertilizer box are fixedly installed on the support frame; a water inlet is provided at one end of the pipe network, and a water outlet is provided at the other end, an electromagnetically controlled irrigation pipe, an electromagnetically controlled fertilization pipe and a manually controlled irrigation pipeline are connected in parallel between the water inlet and the water outlet, and a manually controlled fertilization pipe is installed in parallel between the electromagnetically controlled fertilization pipe and the manually controlled irrigation pipe; the fertilizer applicator is respectively connected in series to the water supply pipeline and the irrigation pipeline through the water inlet and the water outlet of the pipe network; the control box controls the water pump, the electromagnetic valve on the electromagnetically controlled irrigation pipe and the electromagnetic valve on the electromagnetically controlled fertilization pipe respectively.

[0004] However, the existing technology still has the problem of unstable fertilization and inability to meet the nutrient needs of crops. Therefore, how to realize an intelligent fertilization system with stable fertilization that can meet the nutrient needs of crops is a technical problem that urgently needs to be solved in this technical field. Utility Model Content

[0005] In order to solve the problem that the fertilization in the prior art is unstable and cannot meet the nutrient requirements of crops, the utility model provides an intelligent fertilization system which has the characteristics of high fertilizer utilization rate and no reliance on manual labor.

[0006] In order to achieve the above-mentioned purpose of the utility model, the technical solution adopted is as follows:

[0007] An intelligent fertilization system comprises a water storage tank, a clean water pipe, a fertilizer spreader, a mother liquid pipe, a fertilizer supply device, an irrigation component, and a control device; the irrigation component comprises a water and fertilizer main pipe, a plurality of water and fertilizer branch pipes, a first control valve, and a plurality of second control valves; the water and fertilizer main pipe and the water and fertilizer branch pipes are connected; the fertilizer supply device is provided with a fertilizer supply port; the fertilizer spreader is provided with a water inlet, a fertilizer inlet, and a fertilizer outlet; the water storage tank is filled with irrigation water, and the fertilizer supply device is filled with a fertilizer mother liquid;

[0008] The water outlet of the water storage tank is connected to the water inlet through the clean water pipe; the fertilizer supply port is connected to the fertilizer inlet through the mother liquid pipe; the fertilizer outlet is connected to the water and fertilizer main pipe of the irrigation component; a first control valve is provided between the fertilizer supply port of the fertilizer supply device and the fertilizer inlet 2 of the fertilizer spreader; the second control valve is provided between the water and fertilizer main pipe and the water and fertilizer branch pipe; the first control valve and several second control valves are all connected to the fertilizer spreader; and the control device is connected to the fertilizer spreader.

[0009] Preferably, it also includes a constant pressure device; the fertilizer spreader also includes a main pump and a fertilizer supply pump; the main pump is arranged between the water inlet and the water outlet of the water storage tank; the fertilizer supply pump is arranged between the fertilizer inlet and the fertilizer supply port; the constant pressure device is respectively connected to the main pump and the fertilizer supply pump; the control device is also connected to the constant pressure device.

[0010] Furthermore, the irrigation component also includes a water and fertilizer pipe and several irrigation devices; one end of the water and fertilizer pipe is connected to the fertilizer outlet, and the other end is connected to the water inlet end of the water and fertilizer main pipe; the water inlet ends of several water and fertilizer branch pipes are connected to the water outlet end of the water and fertilizer main pipe, and the water outlet ends of the water and fertilizer branch pipes are correspondingly connected to the irrigation devices.

[0011] Furthermore, the irrigation device includes a terminal sprinkler and a field solenoid valve; the field solenoid valve is connected to a control device; and the water outlet of the water and fertilizer branch pipe is connected to the water inlet of the terminal sprinkler through the field solenoid valve.

[0012] Furthermore, the control device includes an RS485 module and several RS485 communication slave computers; the RS485 module is wirelessly connected to the several RS485 communication slave computers; the several RS485 communication slave computers are respectively connected to several field solenoid valves.

[0013] Furthermore, the RS485 communication lower computer is connected to its corresponding field solenoid valve via either wireless or wired means.

[0014] Furthermore, the control device is a programmable controller; the control device is also provided with an input-output module and a TCP / IP interface; the control device is connected to the input device via the input-output module and is respectively connected to the constant pressure device and the fertilizer spreader via the TCP / IP interface.

[0015] Furthermore, the control device is also provided with an agricultural condition collection sensor; the agricultural condition collection sensor is arranged on the water and fertilizer main pipe, and is connected to the RS485 module of the control device via the RS485 communication lower computer.

[0016] Furthermore, a filter is provided between the fertilizer outlet and the irrigation component.

[0017] Furthermore, the constant pressure device and the fertilizer spreader are both provided with an editable logic controller.

[0018] The beneficial effects of the utility model are as follows:

[0019] The utility model discloses a water storage tank, a clean water pipe, a fertilizer spreader, a mother liquid pipe, a fertilizer supply device, an irrigation component, and also includes a control device; in the system disclosed by the present invention, the water outlet of the water storage tank is connected to the water inlet through the clean water pipe; the fertilizer supply port is connected to the fertilizer inlet through the mother liquid pipe; the fertilizer outlet is connected to the irrigation component; a first control valve is provided between the fertilizer supply port of the fertilizer supply device and the fertilizer inlet of the fertilizer spreader; the water and fertilizer branch pipe is provided with the second control valve; the first control valve and several second control valves are connected to the fertilizer spreader; the control device is connected to the fertilizer spreader. Therefore, the present invention can accurately control the amount of fertilizer according to the fertilizer demand of different crops at different growth stages, and then automatically adjust the concentration of the timely fertilizer solution through the operation of the control device and the closure of the valve block, and automatically complete the intelligent system equipment of stable and accurate automatic irrigation and fertilization; thus, the utility model solves the problem that the prior art fertilization is unstable and cannot meet the nutrient demand of crops, and has the characteristics of high fertilizer utilization rate and no reliance on manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a system structure diagram of an intelligent fertilization system.

[0021] Figure 2 The utility model is a schematic diagram of pipeline connection of a water storage tank, a fertilizer spreading machine and a fertilizer supply device of an intelligent fertilization system.

[0022] Figure 3 The utility model is a schematic diagram of a device module of a control device of an intelligent fertilization system.

[0023] In the figure, 1 is a water storage tank, 2 is a clean water pipe, 3 is a fertilizer applicator, 4 is a mother liquid pipe, 5 is a fertilizer supply device, 6 is an irrigation component, 7 is a main pump, 8 is a fertilizer supply pump, 9 is a control device, 10 is a constant pressure device, 11 is an EC / PH sensor, 12 is a filter, 13 is an input device, 31 is a water inlet, 32 is a fertilizer inlet, 33 is a fertilizer outlet, 61 is a water and fertilizer branch pipe, 621 is the first control valve, 622 is the second control valve, 63 is a water and fertilizer pipe, 64 is a water and fertilizer main pipe, 65 is an irrigation device, 651 is a terminal sprinkler, and 652 is a field solenoid valve. DETAILED DESCRIPTION

[0024] The utility model is described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] Example 1

[0026] like Figure 1 As shown, an intelligent fertilization system includes a water storage tank 1, a clean water pipe 2, a fertilizer spreader 3, a mother liquid pipe 4, a fertilizer supply device 5, an irrigation component 6, and also includes a control device 9; the irrigation component 6 includes a water and fertilizer main pipe 64, a plurality of water and fertilizer branch pipes 61, a first control valve 621, and a plurality of second control valves 622; the water and fertilizer main pipe 64 and the water and fertilizer branch pipes 61 are connected; the fertilizer supply device 5 is provided with a fertilizer supply port 51; the fertilizer spreader 3 is provided with a water inlet 31, a fertilizer inlet 32, and a fertilizer outlet 33; the water storage tank 1 is filled with irrigation water, and the fertilizer supply device 5 is filled with a fertilizer mother liquid;

[0027] like Figure 2 As shown, the water outlet end of the water storage tank 1 is connected to the water inlet 31 through the clean water pipe 2; the fertilizer supply port 51 is connected to the fertilizer inlet 32 ​​through the mother liquid pipe 4; the fertilizer outlet 33 is connected to the water and fertilizer main pipe 64 of the irrigation component 6; a first control valve 621 is provided between the fertilizer supply port 51 of the fertilizer supply device 5 and the fertilizer inlet 32 ​​of the fertilizer machine 3; the second control valve 622 is provided between the water and fertilizer main pipe 64 and the water and fertilizer branch pipe 61; the first control valve 621 and several second control valves 622 are all connected to the fertilizer machine 3; the control device 9 is connected to the fertilizer machine 3.

[0028] In a specific embodiment, it also includes a constant pressure device 10; the fertilizer spreader 3 also includes a main pump 7 and a fertilizer supply pump 8; the main pump 7 is arranged between the water inlet 31 and the water outlet of the water storage tank 1; the fertilizer supply pump 8 is arranged between the fertilizer inlet 32 ​​and the fertilizer supply port 51; the constant pressure device 10 is respectively connected to the main pump 7 and the fertilizer supply pump 8; the control device 9 is also connected to the constant pressure device 10.

[0029] In this embodiment, the first control valve 621 is arranged at the fertilizer inlet 32 ​​and the mother liquid pipe 4.

[0030] In a specific embodiment, a filter 12 is further provided between the fertilizer outlet 33 and the irrigation assembly 6 .

[0031] In this embodiment, the fertilizer outlet 33 is connected to the disc filter, and the disc filter is connected to the field pipeline; the fertilizer spreader mixes the irrigation water and the fertilizer mother solution into a fertilizer solution, and then transports the fertilizer solution to the irrigation component through the disc filter.

[0032] In this embodiment, the fertilizer supply device 5 includes a plurality of mother liquid tanks, each of which is filled with fertilizer mother liquid; each mother liquid tank is provided with a fertilizer supply port, and the mother liquid tank is connected to the corresponding fertilizer inlet 32 ​​through the mother liquid pipe 4, so that the plurality of mother liquid tanks are arranged in parallel. The fertilizer supply device 5 also includes a mother liquid platform, and the plurality of mother liquid tanks are placed on the mother liquid platform.

[0033] In this embodiment, the control device 9 sets a constant pressure value, and starts and stops the constant pressure device 10 through the IO interface. The constant pressure device 10 controls the main pump 7 and the fertilizer supply pump 8, so that the fertilizer applicator 3 needs to work under a constant pressure environment. The fertilizer applicator 3 mixes the fertilizer with the irrigation water. After the fertilizer and water are blended, spray and drip irrigation is formed through the water and fertilizer pipe 63, the water and fertilizer main pipe 64, and several irrigation devices 65. Different demand designs are carried out according to the water and fertilizer demand rules of crops in different growth periods, and water and nutrients are provided to crops directly in a timely and quantitative manner in proportion. The control device 9 automatically controls the important parameters of the water and fertilizer process such as the irrigation amount and the fertilizer amount according to the formula and irrigation process parameters set by the user, realizing the timing and quantitative control of irrigation and fertilization, and automatic integrated management of water and fertilizer, saving water and fertilizer, and achieving high efficiency and high yield.

[0034] Example 2

[0035] More specifically, in a specific embodiment, the irrigation assembly 6 also includes a water and fertilizer pipe 63 and a plurality of irrigation devices 65; one end of the water and fertilizer pipe 63 is connected to the fertilizer outlet 33, and the other end is connected to the water inlet end of the water and fertilizer main pipe 64; the water inlet ends of a plurality of water and fertilizer branch pipes 61 are connected to the water outlet end of the water and fertilizer main pipe 64, and the water outlet ends of the water and fertilizer branch pipes 61 are correspondingly connected to the irrigation device 65.

[0036] In this embodiment, a plurality of water and fertilizer branch pipes 61 are connected to the water and fertilizer main pipe 64, and the water and fertilizer branch pipes 61 are arranged at intervals; one end of the irrigation device 65 is connected to the water and fertilizer branch pipe 61, and the other end is arranged around the crop and arranged at intervals.

[0037] In a specific embodiment, the constant pressure device 10 and the fertilizer spreader 3 are both provided with an editable logic controller.

[0038] In this embodiment, the editable logic controller of the constant pressure device 10 compares the actual pressure with the set pressure value in real time. If the actual pressure is lower or higher than the predetermined range, the editable logic controller will start the adjustment process to achieve the purpose of constant pressure by adjusting the speed or starting and stopping the water pump.

[0039] In a specific embodiment, the control device 9 is further provided with an agricultural condition collection sensor 11; the agricultural condition collection sensor 11 is arranged on the water and fertilizer main pipe 64, and is connected to the RS485 module of the control device 9 via the RS485 communication lower computer.

[0040] In this embodiment, the agricultural information collection sensor 11 collects field information including EC / PH value, temperature, light, water, air and fertilizer. In addition, the system can also realize autonomous feedback to the irrigation area or greenhouse area based on these agricultural information, such as controlling the roller shutter according to the light intensity of the greenhouse area, autonomously controlling the temperature and humidity according to the temperature and humidity of the greenhouse area, and a series of feedback actions with control models.

[0041] Example 3

[0042] More specifically, Figure 3 As shown in a specific embodiment, the control device 9 includes an RS485 module and several RS485 communication slave computers; the RS485 module is wirelessly connected to the several RS485 communication slave computers; the several RS485 communication slave computers are respectively connected to several field solenoid valves 652.

[0043] In a specific embodiment, the RS485 communication slave computer is connected to its corresponding field solenoid valve 652 by either wireless or wired means.

[0044] In a specific embodiment, the control device 9 is an Inovance Easy320 programmable controller; the control device 9 is also provided with an input / output module and a TCP / IP interface; the control device 9 is connected to the input device 13 via the input / output module and is respectively connected to the constant pressure device 10 and the fertilizer spreader 3 via the TCP / IP interface.

[0045] In this embodiment, the functions that can be expanded by Huichuan Easy320 programmable controller are more extensive. It only needs to add corresponding expansion modules or expansion cards to expand the required functions. The cost of the expansion part is relatively low, which saves costs and can add some additional customer-customized functions to the water and fertilizer system, greatly improving the practicality and transformation space of this system. Using the TCP / IP interface to communicate with the PLC and 4G gateway can provide communication stability.

[0046] In a specific embodiment, the input device 13 is a Weiluntong MT8102IP human-machine interface.

[0047] In this embodiment, the human-machine interface has a programmable function, and the interface and functions can be adjusted according to some special functions required by customers based on the original interface.

[0048] In this implementation, the 4G network management uses the URN 310PLCNET series, which can be directly connected to the URN cloud platform or connected to a local server. It has high data transmission efficiency and low packet loss rate. The local polling capability is relatively stable and can timely feed back the key data collected by the PLC to the server. The water and fertilizer system composed of the three is highly stable, easy to maintain, and easy for users to operate.

[0049] In this embodiment, the control device 9 has two fertilization plan implementations: weekly polling and periodic polling. The fertilization plan is realized based on the control of these two polling and the control of the next level time and fertilizer dosage, which helps to improve the accuracy of fertilization, and the fertilizer channel flow control error is ±3%, which can effectively save fertilizer. The system itself can control 50 groups of field valves, and can also be expanded to 255 groups according to demand. The constant pressure device 10 is controlled by constant pressure to ensure the stability of the terminal irrigation device, and the self-provided EC / PH sensor 11 detects the water and fertilizer main pipe 64 to ensure the stability of the water and fertilizer fusion during fertilization. At the same time, it has constant pressure control alarm, EC / PH value control alarm, etc. to effectively ensure the normal operation of the equipment and the safety of agricultural production.

[0050] In this embodiment, the irrigation device 65 includes a terminal sprinkler 651 and a field solenoid valve 652; the field solenoid valve 652 is connected to the control device 9; the water outlet of the water and fertilizer branch pipe 61 is connected to the water inlet of the terminal sprinkler 651 through the field solenoid valve 652.

[0051] In this embodiment, the control device 9 can perform wired or wireless control on the field electromagnetic valve 652 through the 485 communication lower computer, and can also use most of the agricultural information collection sensors on the market through 485 communication to collect corresponding field information (such as EC / PH value collection, temperature, light, water, air, fertilizer and other information collection). In addition to collecting these, the system can also realize autonomous feedback to the irrigation area or greenhouse area based on these agricultural information, such as controlling the roller shutter according to the light intensity of the greenhouse area, and autonomously controlling the temperature and humidity according to the temperature and humidity of the greenhouse area, and a series of feedback actions with control models.

[0052] Example 4

[0053] In this embodiment, the fertilizer spreader 3 is connected to the external software. The intelligent algorithm in the software plans different demand designs according to the water and fertilizer requirements of crops in different growth periods, and sets the water and nutrients at regular intervals and dosages, and converts the data into a plan. The water storage tank 1 is used to provide irrigation water, and the fertilizer supply device 5 is used to provide fertilizer mother solution. The irrigation water and the fertilizer mother solution enter the pipeline through the control of the fertilizer spreader 3. The fertilizer spreader 3 uses the pressure system to mix the irrigation water and the fertilizer mother solution into a fertilizer solution. It is controlled by the control device 10; the control device 10 automatically controls the irrigation amount, fertilizer amount, and other important parameters of the water and fertilizer process according to the formula and irrigation process parameters set by the user, accurately controls the concentration of the fertilizer and delivers the fertilizer solution to the irrigation component. The irrigation component 6 includes a water and fertilizer pipe 63, a water and fertilizer main pipe 64, a plurality of water and fertilizer branch pipes 61, and a plurality of irrigation devices 65. The water and fertilizer main pipe 64, the plurality of water and fertilizer branch pipes 61, and the plurality of irrigation devices 65 form an irrigation network, and divide the crop planting area into several irrigation areas. The irrigation device 65 dissolves the fertilizer and irrigates it into the irrigation area, so that the fertilizer is fully utilized; and the fertilizer spreader 3 can accurately control the irrigation amount of the fertilizer solution, realizing the timing and quantitative control of irrigation and fertilization, and automatic integrated management of water and fertilizer.

[0054] The irrigation assembly 6 further includes a first control valve 621 and a plurality of second control valves 622. For the first control valve 621 between the fertilizer supply device 5 and the fertilizer spreader 3, the fertilizer inlet 32 ​​and the mother liquid pipe 4 are connected through the first control valve 621. When the first control valve 621 is in an open state, the fertilizer inlet 32 ​​and the mother liquid pipe 4 are connected, and the fertilizer solution enters the fertilizer inlet 32 ​​from the fertilizer supply device 5 through the mother liquid pipe 4; when it is not necessary to provide a certain type of fertilizer in the fertilizer supply device 5, the control device 9 controls the fertilizer spreader 3 to close the first control valve 621, so that the fertilizer supply device 5 is disconnected from the fertilizer inlet 32; the fertilizer mother liquid stops entering the fertilizer inlet 32 ​​from the fertilizer supply device 5;

[0055] In this embodiment, the first control valve 621 and the plurality of second control valves 622 are electric ball valves.

[0056] The water and fertilizer main pipe 64 is connected to the water and fertilizer branch pipe 61 through the second control valve 622; the second control valve 622 is connected to the fertilizer machine, and the fertilizer machine 3 has an editable logic processor, which can set the fertilizer machine 3 to open the second control valve 622 at a fixed time. When the fertilizer machine 3 controls the second control valve 622 to open, the water and fertilizer main pipe 64 is connected to the water and fertilizer branch pipe 61; the fertilizer solution enters the water and fertilizer branch pipe 61 from the water and fertilizer main pipe 64, and the water and fertilizer branch pipe 61 is connected to a plurality of irrigation devices 65; the fertilizer solution enters the plurality of irrigation devices 65 from the water and fertilizer branch pipe 61, and irrigates the irrigation area in an irrigation method of the recommended fertilization scheme provided by the software; when the fertilizer machine 3 controls the second control valve 622 to close, the water and fertilizer main pipe 64 is disconnected from the water and fertilizer branch pipe 61; the fertilizer solution stops entering the water and fertilizer branch pipe 61 from the water and fertilizer main pipe 64, so that the fertilizer solution cannot continue to be irrigated from the irrigation device 65 to the irrigation area, thereby preventing the fertilizer solution from being wasted and also avoiding the problem of excessive fertilization in the planting area.

[0057] In this embodiment, the main pump 7 is arranged between the water inlet 31 and the water outlet of the water storage tank 1; the fertilizer supply pump is arranged between the fertilizer inlet 32 ​​and the fertilizer supply port 51. The main pump 7 pumps the irrigation water in the water storage tank 1 into the clean water pipe 2 quantitatively through the water inlet 31, and the fertilizer supply pump sucks the fertilizer mother liquid in the fertilizer supply device 5 into the mother liquid pipe 4 quantitatively through the fertilizer supply port 51, so as to achieve the purpose of mixing the fertilizer mother liquid with the irrigation water, thereby diluting the fertilizer mother liquid to the recommended concentration suitable for the recommended fertilization scheme. Subsequently, the main pump 7 transmits the fertilizer solution to the irrigation component 6 after secondary filtration through the disc filter 12, and controls the second control valve 622 of the irrigation area to be opened, so that the fertilizer solution enters the corresponding water and fertilizer branch pipe 61 and the irrigation device 65, so as to achieve the purpose of fertilization; when the fertilizer amount reaches the preset amount of the fertilizer applicator 3, the corresponding second control valve 622 is controlled to be closed, so that the fertilizer solution stops entering the corresponding water and fertilizer branch pipe 61 and drip irrigation fertilization, so that the fertilization process ends.

[0058] Obviously, the above embodiments of the present invention are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An intelligent fertilization system, comprising a water storage tank (1), a clean water pipe (2), a fertilizer applicator (3), a mother liquid pipe (4), a fertilizer supply device (5), and an irrigation component (6), characterized in that: It also includes a control device (9); the irrigation assembly (6) includes a water and fertilizer main pipe (64), a plurality of water and fertilizer branch pipes (61), a first control valve (621), and a plurality of second control valves (622); the water and fertilizer main pipe (64) and the water and fertilizer branch pipes (61) are in communication; the fertilizer supply device (5) is provided with a fertilizer supply port (51); the fertilizer spreader (3) is provided with a water inlet (31), a fertilizer inlet (32), and a fertilizer outlet (33); the water storage tank (1) is filled with irrigation water, and the fertilizer supply device (5) is filled with fertilizer mother liquid; The water outlet of the water storage tank (1) is connected to the water inlet (31) through the clean water pipe (2); the fertilizer supply port (51) is connected to the fertilizer inlet (32) through the mother liquid pipe (4); the fertilizer outlet (33) is connected to the water and fertilizer main pipe (64) of the irrigation component (6); a first control valve (621) is provided between the fertilizer supply port (51) of the fertilizer supply device (5) and the fertilizer inlet (32) of the fertilizer spreader (3); the second control valve (622) is provided between the water and fertilizer main pipe (64) and the water and fertilizer branch pipe (61); the first control valve (621) and a plurality of second control valves (622) are all connected to the fertilizer spreader (3); and the control device (9) is connected to the fertilizer spreader (3).

2. The intelligent fertilization system according to claim 1, characterized in that: The fertilizer spreader (3) further comprises a constant pressure device (10); the fertilizer spreader (3) further comprises a main pump (7) and a fertilizer supply pump (8); the main pump (7) is arranged between the water inlet (31) and the water outlet of the water storage tank (1); the fertilizer supply pump (8) is arranged between the fertilizer inlet (32) and the fertilizer supply port (51); the constant pressure device (10) is connected to the main pump (7) and the fertilizer supply pump (8) respectively; and the control device (9) is also connected to the constant pressure device (10).

3. The intelligent fertilization system according to claim 2, characterized in that: The irrigation assembly (6) further comprises a water and fertilizer pipe (63) and a plurality of irrigation devices (65); one end of the water and fertilizer pipe (63) is connected to the fertilizer outlet (33), and the other end is connected to the water inlet end of the water and fertilizer main pipe (64); the water inlet ends of a plurality of water and fertilizer branch pipes (61) are connected to the water outlet end of the water and fertilizer main pipe (64), and the water outlet ends of the water and fertilizer branch pipes (61) are connected to the irrigation devices (65) accordingly.

4. The intelligent fertilization system according to claim 3, characterized in that: The irrigation device (65) comprises a terminal irrigation device (651) and a field electromagnetic valve (652); the field electromagnetic valve (652) is connected to the control device (9); the water outlet of the water and fertilizer branch pipe (61) is connected to the water inlet of the terminal irrigation device (651) through the field electromagnetic valve (652).

5. The intelligent fertilization system according to claim 4, characterized in that: The control device (9) comprises an RS485 module and a plurality of RS485 communication slave computers; the RS485 module is wirelessly connected to the plurality of RS485 communication slave computers; the plurality of RS485 communication slave computers are respectively connected to a plurality of field solenoid valves (652).

6. The intelligent fertilization system according to claim 5, characterized in that: The RS485 communication lower computer is connected to its corresponding field solenoid valve (652) by either wireless or wired means.

7. The intelligent fertilization system according to claim 2, characterized in that: The control device (9) is a programmable controller; the control device (9) is also provided with an input / output module and a TCP / IP interface; the control device (9) is connected to the input device (13) via the input / output module and is respectively connected to the constant pressure device (10) and the fertilizer spreader (3) via the TCP / IP interface.

8. The intelligent fertilization system according to claim 5, characterized in that: The control device (9) is also provided with an agricultural condition collection sensor (11); the agricultural condition collection sensor (11) is arranged on the water and fertilizer main pipe (64), and is connected to the RS485 module of the control device (9) via an RS485 communication lower computer.

9. The intelligent fertilization system according to claim 1, characterized in that: A filter (12) is also provided between the fertilizer outlet (33) and the irrigation assembly (6).

10. The intelligent fertilization system according to claim 2, characterized in that: The constant pressure device (10) and the fertilizer spreader (3) are both provided with an editable logic controller.

Images