Intelligent remote control type water, fertilizer, gas and medicine integrated greenhouse equipment

Abstract

The invention discloses intelligent remote control type water, fertilizer, gas and pesticide integrated greenhouse equipment, belongs to the field of greenhouse intelligent management equipment of facility agriculture, and can realize integrated management of one or more greenhouses by one equipment. The core of the system comprises a control device, an irrigation device, a fertilizing device, a water purifying device, a spraying device, an inflation device and an ozone device, the fertilizing device comprises a solid and liquid fertilizer filling part to accurately mix fertilizers, the water purifying device guarantees water quality, the spraying device can complete spraying and pipeline flushing, and the inflation device blows air after spraying to prevent pipeline corrosion and blockage. The ozone device sterilizes purified water, and the control device is combined with a sensor and 4G communication to realize remote control and fault alarm. The equipment can accurately manage water, fertilizer, gas and pesticide in a timed and quantitative mode, the labor cost is effectively reduced, the agricultural production efficiency of a greenhouse and the crop quality are improved, and the equipment meets the requirements for single-greenhouse small-scale and multi-greenhouse large-scale planting.

Description

Technical Field

[0001] This invention belongs to the field of facility agriculture equipment technology, and in particular relates to an intelligent remote-controlled integrated water, fertilizer, gas and pesticide greenhouse equipment. Background Technology

[0002] In greenhouse agriculture, the scientific management of water, fertilizer, air, and pesticides is crucial for ensuring crop growth and improving yield and quality. However, the equipment currently used for greenhouse management has many shortcomings: First, there are limitations in equipment adaptability and insufficient management flexibility. Most existing agricultural equipment is not specifically designed for greenhouse scenarios and is mostly based on a "one greenhouse, one piece of equipment" model. If the planting scale is small (only one greenhouse), configuring a complete set of equipment alone can easily lead to resource waste; if the scale is expanded (multiple greenhouses), multiple pieces of equipment need to be purchased repeatedly, which not only increases equipment investment costs but also leads to fragmented equipment management. Staff need to frequently operate between different greenhouses, resulting in low management efficiency and making it difficult to adapt to the flexible planting needs of "single or multiple greenhouses".

[0003] Secondly, the maintenance of spraying pipelines presents significant challenges, impacting equipment lifespan and operational effectiveness. After spraying, residual pesticide in the pipelines, especially in the humid environment of greenhouses, accelerates corrosion. Furthermore, the dried pesticide residue forms solid sludge that clogs pipelines and nozzles, leading to uneven pesticide delivery and nozzle blockage during subsequent spraying. Existing equipment lacks an effective pipeline maintenance mechanism, requiring manual disassembly and cleaning. This not only increases maintenance workload and costs but also risks equipment malfunction due to delayed cleaning, affecting the timeliness of pest and disease control in greenhouse crops.

[0004] Third, the low level of functional integration and intelligence makes it difficult to meet the needs of precision planting. Existing greenhouse equipment is multifunctional and singular, with irrigation, fertilization, and spraying systems operating independently and unable to work collaboratively. Furthermore, it lacks differentiated control capabilities for individual or multiple greenhouses, requiring manual operation by staff on-site. This makes it difficult to monitor equipment operation status and crop growth parameters in real time, and results in delayed response to equipment malfunctions, further reducing greenhouse production efficiency and crop quality stability. Therefore, developing an integrated and intelligent device suitable for individual or multiple greenhouses, solving the maintenance challenges of spraying pipelines, has become an urgent need for the development of greenhouse facility agriculture. Summary of the Invention

[0005] The purpose of this invention is to solve the problems of scattered, low-precision control, and cumbersome operation of existing agricultural production water, fertilizer, gas, and pesticide management equipment. It provides an intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment. By integrating water, fertilizer, gas, and pesticide management functions and combining intelligent control technology, it can achieve precise timed and quantitative management of agricultural production, reduce labor costs, and improve agricultural production efficiency and crop quality.

[0006] The objective of this invention is achieved as follows: an intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment, which includes a control device, an irrigation device, a fertilization device, a water purification device, a pesticide spraying device, an aeration device, and an ozone device.

[0007] The irrigation device includes a main water pipe connecting the water source to the greenhouse irrigation pipeline, and a main circulation pump is installed on the main water pipe; according to the water flow direction, a fertilizer injection pipe and a water supply pipe are respectively connected to the main water pipe behind the main circulation pump.

[0008] The fertilization device includes a solid fertilizer dispensing section and a liquid fertilizer dispensing section. The solid fertilizer dispensing section includes multiple fertilizer dissolving tanks, one of which is a mixed fertilizer tank, and the rest are single fertilizer tanks. The single fertilizer tanks are used to hold and dissolve different types of solid fertilizers, while the mixed fertilizer tanks are used to receive fertilizer solutions from the single fertilizer tanks and liquid fertilizers from the liquid fertilizer tanks. Each fertilizer dissolving tank is connected to a water supply pipe via a branch water supply pipe, and an electric water supply valve is installed on each branch water supply pipe to provide fertilizer dissolving solution to the tank. Each fertilizer dissolving tank is equipped with a shear pump connected to a fertilizer solution circulation pipe for circulating and shearing the solid fertilizer in the tank. Each single fertilizer tank is connected to the mixed fertilizer tank via a solid fertilizer solution delivery pipe, and a fertilizer solution pump and a solid fertilizer solution flow meter are installed on the solid fertilizer solution delivery pipe. The system includes a sensor to transport the fertilizer solution from a single fertilizer tank to a mixed fertilizer tank. The liquid fertilizer filling section includes multiple liquid fertilizer tanks for holding different types of liquid fertilizer. Each liquid fertilizer tank is connected to the mixed fertilizer tank via a liquid fertilizer delivery pipe. Each liquid fertilizer delivery pipe is equipped with a liquid fertilizer pump and a liquid fertilizer flow sensor. On the fertilizer circulation pipe of the mixed fertilizer tank, a self-cleaning filter (with a filtration accuracy of 0.1-1mm, capable of trapping incompletely dissolved fertilizer particles) is first connected to the inlet of the filter according to the fertilizer flow direction. The drain outlet of the self-cleaning filter returns incompletely dissolved fertilizer particles to the mixed fertilizer tank. Its outlet is connected to the main water pipe between the main filter and the main circulation pump via a fertilizer injection pipe. A fertilizer injection pump is installed on the fertilizer injection pipe to transport the filtered fertilizer solution to the main water pipe.

[0009] The water purification device includes a pure water tank. One side of the pure water tank is connected to a water supply pipe via a purified water pipe. The purified water pipe is equipped with a purified water electric water supply valve and an ultrafiltration filter (with a filtration accuracy of 0.01-0.1μm, capable of intercepting suspended solids, colloids, and microorganisms in the water) in sequence according to the water flow direction, which is used to transport the filtered water to the pure water tank for storage. The other side of the pure water tank is connected to a mixed fertilizer tank via a purified water delivery pipe. The purified water delivery pipe is equipped with a purified water pump and a purified water flow sensor to realize the quantitative delivery of purified water to the mixed fertilizer tank.

[0010] The spraying device includes a pesticide tank, a pesticide-dissolving water pipe connected between the pesticide tank and a purified water tank, a pesticide-dissolving water pump installed on the pesticide-dissolving water pipe, a spraying pipe connected to the pesticide tank, and a spraying electric valve, a spraying high-pressure pump, a distribution tank, and a spraying electric valve installed sequentially on the spraying pipe according to the water flow direction. A pressure relief return pipe is connected between the pressure relief port on the pressure regulating valve of the spraying high-pressure pump and the pesticide tank. A flushing pipe is connected between the purified water tank, the spraying electric valve before the pump, and the spraying high-pressure pump. A flushing electric valve is installed on the flushing pipe for flushing the spraying pipeline.

[0011] The inflation device includes an air tank and an inflation pump for inflating the air tank. An inflation pipe is connected between the air tank and the distribution tank, and an electric inflation valve is installed on the inflation pipe.

[0012] The ozone device includes an oxygen generator, an ozone generator, and a cooling mechanism. The ozone generated by the ozone generator is connected to a jet nozzle installed inside the purified water tank via an ozone pipe. The cooling mechanism includes a cooling circulating water pipe, a cooling circulating pump, a cooling fan, and a circulating water tank. One end of the cooling circulating water pipe is connected to the ozone generator, and the other end is connected in series with the cooling circulating pump and the cooling fan before entering the circulating water tank to form a cooling circulation loop. The ozone can sterilize and disinfect the water in the purified water tank, ensuring the quality of the purified water and meeting the water quality requirements for subsequent processes such as dissolving medicine and irrigation.

[0013] The control device includes a controller, a signal acquisition circuit, a drive control circuit, and a 4G communication module. The 4G communication module is electrically connected to the controller, enabling bidirectional communication between the controller and a remote terminal. Operators can remotely control the equipment by sending control commands through the remote terminal. The main flow sensor, pH sensor, conductivity sensor, solid fertilizer solution flow sensor, liquid fertilizer solution flow sensor, and purified water flow sensor are all electrically connected to the controller via the signal acquisition circuit. Each sensor collects data in real time, including main water pipe flow, water pH value, fertilizer solution concentration, and purified water delivery volume, and transmits the data to the controller. The controller analyzes the data according to preset parameters (such as target pH value 6.0-7.5 and fertilizer solution concentration 1.2-1.8 mS / cm). If abnormal data is detected, the controller adjusts the operation of the corresponding component through the drive control circuit. If a component malfunction is detected (such as abnormal fertilizer solution pump current or valve inability to open / close), the controller immediately sends an alarm signal to the remote terminal via the 4G communication module and simultaneously cuts off the power to the faulty component. If the equipment is equipped with a backup component (such as a backup fertilizer solution pump), it automatically switches to the backup component to ensure continuous operation of the equipment. The electric water supply valve for the fertilizer tank, the electric water supply valve for the purified water, the electric flushing valve, the electric spraying valve before the pump, the electric spraying valve after the pump, and the electric aeration valve are all electrically connected to the controller via a drive control circuit; the main circulation pump, the fertilizer solution pump, the shear pump, the liquid fertilizer pump, the fertilizer injection pump, the purified water pump, the pesticide-dissolving purified water pump, the high-pressure spraying pump, and the aeration pump are all electrically connected to the controller via a drive control circuit; the oxygen generator, the ozone generator, the cooling circulation pump, and the cooling fan are all electrically connected to the controller via a drive control circuit.

[0014] Preferably, the present invention also includes a gas fertilizer device, which includes a carbon dioxide tank. The carbon dioxide tank is connected to a distribution tank via a manual valve and a gas fertilizer pipe. When gas fertilizer needs to be applied, the manual valve can be opened to allow carbon dioxide to enter the distribution tank through the gas fertilizer pipe. After mixing with the pesticide delivered by the spraying device or the air delivered by the aeration device, the mixture is delivered together to one or more greenhouses through the spraying pipeline, thereby realizing the synergistic application of gas fertilizer and pesticide / gas.

[0015] Preferably, the main water pipe is equipped with a main filter, a main circulation pump, a mixer, a main flow sensor, a pH sensor, and a conductivity sensor in sequence according to the water flow direction; wherein the mixer is used to fully mix the water in the main water pipe with the fertilizer solution delivered by the fertilizer injection pipe, to ensure that the fertilizer solution is evenly distributed in the water and to avoid local fertilizer solution concentration being too high and burning the crop roots.

[0016] Preferably, there are four individual fertilizer boxes: a nitrogen fertilizer box, a biological agent box, a phosphate fertilizer box, and a potassium fertilizer box.

[0017] Preferably, there are five liquid fertilizer tanks: a medium-quantity element tank, a multi-element chelated trace element tank, a bioactive synergist tank, a plant growth regulator tank, and a fertilizer solution acidifier tank.

[0018] Preferably, the shear pump is a cutting centrifugal pump, which is the granular fertilizer shear-dissolve circulation pump with the prior application publication number CN221788880U of the applicant.

[0019] Preferably, the high-pressure spraying pump is a plunger pump or a screw pump with a rated working pressure of 1.0-3.0 MPa and a suitable spraying pipeline diameter of 20-50 mm.

[0020] Preferably, the main circulation pump is a centrifugal pump with a flow rate range of 10-50 m³ / h and a rated working pressure of 0.2-0.5 MPa.

[0021] Preferably, the fertilizer pump, liquid fertilizer pump, fertilizer injection pump, water purification pump, and drug dissolving water purification pump are all diaphragm pumps.

[0022] Compared with the prior art, the advantages of this invention are as follows: 1. Flexible management and cost reduction: This invention is designed specifically for greenhouses. The main water pipe and spraying pipe can be flexibly connected to the corresponding pipelines of one or more greenhouses according to the actual planting scale. One device can meet the management needs of "small-scale single greenhouse" or "large-scale multi-greenhouse" planting. There is no need to repeatedly purchase equipment due to changes in the number of greenhouses, which greatly reduces the cost of equipment procurement and management. At the same time, staff can manage remotely, reducing cross-greenhouse operation or single-greenhouse duty time and improving management flexibility and efficiency.

[0023] 2. Optimize spraying pipeline maintenance to extend equipment life and ensure stable operation: The air-inflating device and the spraying device form a collaborative maintenance mechanism. After spraying, the residual pesticide in the pipeline is first flushed with clean water through the flushing pipe, and then air is blown into the pipeline by the air-inflating device to completely remove residual water and pesticide. This fundamentally solves the problems of pesticide corrosion of pipeline and residual residue clogging of pipeline and nozzle, reduces the amount of manual cleaning and maintenance, extends the service life of pipeline and nozzle, ensures uniform pesticide delivery and normal atomization of nozzles during subsequent spraying operations, and ensures the effectiveness of pest and disease control in greenhouses.

[0024] 3. Precise Control for Enhanced Greenhouse Crop Quality and Stability: Sensors collect real-time data on irrigation water flow, pH value, and fertilizer concentration in individual or multiple greenhouses. The controller, based on preset parameters tailored to the growth needs of different greenhouse crops (e.g., target pH 6.0-7.5, fertilizer concentration 1.2-1.8 mS / cm), precisely controls the operation of each component, achieving differentiated water, fertilizer, and pesticide supply. An ozone generator ensures clean water quality, while a gas-fertilizer unit replenishes carbon dioxide as needed, creating a suitable growth environment for each greenhouse crop and effectively improving crop quality and yield stability. This advantage specifically addresses the problems of fragmented functions and lack of coordinated control in existing equipment, achieving integrated and precise management of water, fertilizer, gas, and pesticides through multi-device linkage.

[0025] 4. Intelligent remote control, reducing reliance on manual labor: The control device is equipped with a 4G communication module, allowing staff to view the operating status and environmental parameters of one or more greenhouse devices in real time via a remote terminal, and send control commands to regulate the operation of the corresponding greenhouses. When the equipment detects a fault (such as abnormal current in the fertilizer pump or valves that cannot be opened or closed), it can automatically send an alarm signal and switch to backup components, eliminating the need for on-site staff to monitor and inspect, greatly reducing reliance on manual labor, and is especially suitable for the management needs of greenhouses of different sizes. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment of the present invention.

[0027] Main component numbering description: 10-Main water pipe, 11-Main filter, 12-Main circulation pump, 13-Mixer, 14-Main flow sensor, 15-pH sensor, 16-Conductivity sensor, 20-Mixed fertilizer tank, 21-Single fertilizer tank, 22-Fertilizer tank branch water supply pipe, 23-Water supply pipe, 24-Fertilizer tank electric water supply valve, 25-Solid fertilizer solution delivery pipe, 26-Fertilizer solution pump, 27-Solid fertilizer solution flow sensor, 28-Fertilizer solution circulation pipe, 29-Shear pump, 30-Liquid fertilizer tank, 31-Liquid fertilizer solution delivery pipe, 32-Liquid fertilizer pump, 33-Liquid fertilizer solution flow sensor, 40-Self-cleaning filter, 41-Fertilizer injection pipe, 42-Fertilizer injection pump, 50-Pure water tank, 51-Pure water pipe, 52- 53-Ultrafiltration filter, 54-Purified water delivery pipe, 55-Purified water pump, 56-Purified water flow sensor, 57-Flush pipe, 58-Flush electric valve, 60-Pesticide tank, 61-Pesticide dissolving purified water pipe, 62-Pesticide dissolving purified water pump, 63-Spraying pipe, 64-Pre-pump spraying electric valve, 65-Spraying high-pressure pump, 66-Distribution tank, 67-Post-pump spraying electric valve, 68-Pressure relief return pipe, 70-Gas tank, 71-Air pump, 72-Air filling pipe, 73-Air filling electric valve, 80-Oxygen generator, 81-Ozone generator, 82-Cooling circulation pump, 83-Cooling fan, 84-Circulating water tank, 85-Ozone pipe, 90-Carbon dioxide tank, 91-Fertilizer pipe, 92-Manual valve. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to Figure 1 in the embodiments of the present invention.

[0029] I. Overall Composition and Detailed Structure of Each Device (I) Overall Composition This intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment is specifically designed for greenhouse environments. It enables unified management of one or multiple greenhouses from a single unit. It mainly consists of a control device, irrigation device, fertilization device, water purification device, pesticide spraying device, aeration device, ozone device, and an optional gas-fertilizer device. All devices work collaboratively, and both the main water pipe 10 and the pesticide spraying pipe 63 are designed with branch interfaces, allowing for flexible expansion and connection based on the number of greenhouses, adapting to the management needs of single or multiple greenhouses. The specific structure is as follows: (II) Detailed Structure of Each Device 1. Irrigation device The core of the irrigation system is the main water pipe 10, which has flexible branching capabilities and can be connected to the irrigation pipelines of one or more greenhouses as needed. Along the water flow direction, the main water pipe 10 is equipped with, in sequence, a main filter 11, a main circulation pump 12, a mixer 13, a main flow sensor 14, a pH sensor 15, and a conductivity sensor 16. The main water pipe 10 is made of UPVC material with a pressure rating of ≥1.0MPa; The main filter 11 is used to filter out mud, sand and impurities in the water source to prevent clogging of subsequent pipes and components and ensure the smooth flow of irrigation pipes in one or more greenhouses. The main circulation pump 12 is a centrifugal pump with a flow range of 10-50 m³ / h and a rated working pressure of 0.2-0.5 MPa. The output power can be adjusted according to the number of greenhouses and irrigation needs to provide sufficient power for irrigation water supply for one or more greenhouses. The mixer 13 is used to fully mix the water in the main water pipe 10 with the fertilizer solution delivered by the fertilizer injection pipe 41, so as to avoid local fertilizer solution concentration being too high and burning the crop roots, and to ensure that crops in one or more greenhouses can receive uniform water and fertilizer. The main flow sensor is an electromagnetic flow sensor with an accuracy of ±0.5% FS (full scale). The pH sensor has a measurement range of 3.0-10.0 and an accuracy of ±0.02pH. The main flow sensor 14, pH sensor 15 and conductivity sensor 16 collect water flow parameters in real time, providing data support for differentiated irrigation and fertilization control of single or multiple greenhouses. On the main water pipe 10 at the rear of the main circulation pump 12, the fertilizer injection pipe 41 (for transporting fertilizer solution) and the water supply pipe 23 (for supplying water to the fertilizer application device and the water purification device) are respectively connected.

[0030] 2. Fertilizer application device The fertilization device includes solid fertilizer dispensing and liquid fertilizer dispensing sections, which can precisely mix different types of fertilizers to meet the differentiated fertility needs of single or multiple greenhouse crops. The solid fertilizer dispensing section includes five fertilizer dissolving tanks, one of which is a mixed fertilizer tank 20, and the other four are single fertilizer tanks 21, namely a nitrogen fertilizer tank, a biological agent tank, a phosphate fertilizer tank, and a potassium fertilizer tank, used to hold and dissolve different types of solid fertilizers. Each fertilizer dissolving tank is connected to a water supply pipe 23 via a branch water supply pipe 22. An electric water supply valve 24 is installed on the branch water supply pipe 22, and the controller can control the valve opening and closing via a drive control circuit to quantitatively supply fertilizer dissolving water to the fertilizer dissolving tank. Each fertilizer dissolving tank is also equipped with a shear pump 29 connected by a fertilizer solution circulation pipe 28. The shear pump 29 adopts the granular fertilizer shear dissolution circulation pump of the applicant's prior application announcement number CN221788880U, which accelerates the dissolution of solid fertilizer through circulation shearing action to ensure that the fertilizer is fully dissolved. Each individual fertilizer tank 21 is connected to the mixed fertilizer tank 20 via a solid fertilizer liquid delivery pipe 25. A fertilizer liquid pump 26 and a solid fertilizer liquid flow sensor 27 are installed on the solid fertilizer liquid delivery pipe 25. The fertilizer liquid pump 26 drives the solid fertilizer liquid delivery, and the solid fertilizer liquid flow sensor 27 monitors the delivery volume, so as to realize the precise delivery of solid fertilizer liquid to the mixed fertilizer tank 20.

[0031] The liquid fertilizer dispensing section includes five liquid fertilizer tanks 30: one for medium-quantity elements, one for multi-element chelated micronutrients, one for bioactive synergists, one for plant growth regulators, and one for fertilizer solution acidifiers. These tanks are used to hold different types of liquid fertilizers. Each liquid fertilizer tank 30 is connected to the mixed fertilizer tank 20 via a liquid fertilizer delivery pipe 31. A liquid fertilizer pump 32 and a liquid fertilizer flow sensor 33 are installed on the liquid fertilizer delivery pipe 31 to achieve precise delivery of liquid fertilizer to the mixed fertilizer tank 20.

[0032] Fertilizer solution filtration and transportation: On the fertilizer solution circulation pipe 28 of the mixed fertilizer tank 20, the inlet of the self-cleaning filter 40 is first connected along the direction of fertilizer solution flow. The self-cleaning filter 40 has a filtration accuracy of 0.1-1mm and can trap undissolved fertilizer particles. Its drain outlet returns the trapped particles to the mixed fertilizer tank 20 for re-dissolution through the pipeline, avoiding fertilizer waste and pipeline blockage. The outlet of the self-cleaning filter 40 is connected to the main water pipe 10 between the main filter 11 and the main circulation pump 12 through the fertilizer injection pipe 41. The fertilizer injection pump 42 is installed on the fertilizer injection pipe 41 to transport the filtered fertilizer solution to the main water pipe 10. After mixing with water, it is transported to one or more greenhouses through branch pipelines.

[0033] 3. Water purification device The water purification device includes a pure water tank 50, a pure water pipe 51, a pure water electric supply valve 52, an ultrafiltration filter 53, a pure water delivery pipe 54, a pure water pump 55, and a pure water flow sensor 56. The pure water tank 50 is used to store filtered clean water, providing a high-quality water source for fertilizer dissolution, pesticide spraying and irrigation in one or more greenhouses; One side of the purified water tank 50 is connected to the water supply pipe 23 via a purified water pipe 51. A purified water electric water supply valve 52 and an ultrafiltration filter 53 are installed sequentially along the water flow direction on the purified water pipe 51. The ultrafiltration filter 53 has a filtration accuracy of 0.01-0.1μm and can intercept suspended solids, colloids and microorganisms in the water to ensure the quality of purified water. The controller controls the opening and closing of the purified water electric water supply valve 52 so that the water in the water supply pipe 23 enters the purified water tank 50 for storage after being filtered by the ultrafiltration filter 53. The other side of the pure water tank 50 is connected to the mixed fertilizer tank 20 via a pure water delivery pipe 54. A pure water pump 55 and a pure water flow sensor 56 are installed on the pure water delivery pipe 54. The pure water pump 55 provides power for the pure water delivery, and the pure water flow sensor 56 monitors the delivery volume, so as to realize the quantitative delivery of pure water to the mixed fertilizer tank 20 and meet the water quality requirements for fertilizer dissolution.

[0034] 4. Spraying device The spraying device consists of a pesticide tank 60, a pesticide dissolving and purification water pipe 61, a pesticide dissolving and purification water pump 62, a spraying pipe with branching capability 63, a pre-pump electric spraying valve 64, a high-pressure spraying pump 65, a distribution tank 66, a post-pump electric spraying valve 67, a pressure relief and return pipe 68, a flushing pipe 57, and a flushing electric valve 58. It can realize pesticide spraying operations and pipeline flushing for single or multiple greenhouses. The pesticide tank 60 is used to store pesticides. It is connected to the pure water tank 50 by a pesticide dissolving water pipe 61. A pesticide dissolving water pump 62 is installed on the pesticide dissolving water pipe 61. The controller controls the operation of the pesticide dissolving water pump 62, which can transport the pure water in the pure water tank 50 to the pesticide tank 60 for dissolving or diluting pesticides. The spray pipe 63 has branch interfaces in the middle and at the end, which can be connected to the spray nozzles of one or more greenhouses. Along the water flow direction, the spray pipe 63 is sequentially equipped with a pre-pump electric spray valve 64, a high-pressure spray pump 65, a distribution tank 66, and a post-pump electric spray valve 67. The high-pressure spray pump 65 is a plunger pump or screw pump with a rated working pressure of 1.0-3.0 MPa, suitable for spray pipe diameters of 20-50 mm, providing sufficient pressure for spraying one or more greenhouses. The spray pipe 63 is made of corrosion-resistant PE material with a pesticide corrosion resistance rating of A. The distribution tank 66 ensures that the pesticide solution is evenly distributed to each branch pipe, guaranteeing uniformity of spraying for one or more greenhouses. The pressure relief port on the pressure regulating valve of the high-pressure spraying pump 65 is connected to the pesticide tank 60 through the pressure relief return pipe 68. When the spraying pressure is too high, the excess pesticide liquid flows back to the pesticide tank 60 through the pressure relief return pipe 68 to avoid damage to the pipeline. The spraying pipe 63 between the pure water tank 50 and the electric spraying valve 64 and the high-pressure spraying pump 65 is connected by a flushing pipe 57. A flushing electric valve 58 is installed on the flushing pipe 57. After spraying, the controller controls the flushing electric valve 58 to open, and the pure water in the pure water tank 50 enters the spraying pipe 63 and each branch pipe to flush away residual pesticides in the pipes, laying the foundation for subsequent air inflation and maintenance.

[0035] 5. Inflation device The inflation device includes an air tank 70, an air pump 71, an inflation hose 72, and an electric inflation valve 73. Its core function is to work in conjunction with the spraying device to complete the maintenance of the spraying pipeline. An air pump 71 is connected to an air tank 70 to fill the air tank 70 with compressed air. The air tank 70 stores compressed air and provides an air source for the pipeline blowing. The air tank 70 is connected to a distribution tank 66 through an air filling pipe 72. An electric air filling valve 73 is installed on the air filling pipe 72 and is controlled by a controller. After the spraying device completes the pipeline flushing, the controller opens the electric air filling valve 73. The compressed air in the air tank 70 enters the spraying pipe 63 and each branch pipe through the distribution tank 66, thoroughly removing residual moisture and pesticide from the pipeline, preventing pesticide corrosion of the pipeline, and preventing residual residue from clogging the pipeline and nozzle, ensuring the long-term stable use of spraying pipelines in one or more greenhouses.

[0036] 6. Control device The control device is the core control unit of the equipment, adapting to the management needs of single or multiple greenhouses. It includes a controller (using a PLC controller, such as Siemens S7-200SMART), signal acquisition circuits, drive control circuits, and a 4G communication module (such as Huawei ME909s-821). The 4G communication module is electrically connected to the controller, enabling two-way communication between the controller and remote terminals (such as mobile APP and computer client). Staff can view the operating data of one or more greenhouse devices (such as flow rate, pH value, fertilizer concentration, etc.) in real time through the remote terminal, and send differentiated control commands according to the needs of different greenhouse crops. The main flow sensor 14, pH sensor 15, conductivity sensor 16, solid fertilizer solution flow sensor 27, liquid fertilizer solution flow sensor 33, and purified water flow sensor 56 are all electrically connected to the controller through a signal acquisition circuit. Each sensor collects relevant data from one or more greenhouses in real time and transmits it to the controller. The controller analyzes and processes the data according to preset parameters (such as target pH value 6.0-7.5 and fertilizer solution concentration 1.2-1.8 mS / cm). If abnormal data is detected (such as excessively high fertilizer solution concentration in a greenhouse), the controller adjusts the operation of the corresponding component through the drive control circuit (such as reducing the amount of fertilizer solution delivered to the greenhouse); if a component malfunction is detected (such as abnormal fertilizer pump current), the controller immediately sends an alarm signal to the remote terminal through the 4G communication module and cuts off the power supply to the malfunctioning component. If the equipment is equipped with a backup component (such as a backup fertilizer pump), it will automatically switch to the backup component to ensure continuous operation of one or more greenhouses. Valves such as the fertilizer tank electric water supply valve 24, the purified water electric water supply valve 52, and the flushing electric valve 58, pump bodies such as the main circulation pump 12, the fertilizer solution pump 26, and the pesticide spraying high-pressure pump 65, as well as equipment such as the oxygen generator 80 and the ozone generator 81, are all electrically connected to the controller through a drive control circuit, and their start-up, shutdown, and operating parameters are uniformly controlled by the controller.

[0037] 7. Ozone generator The ozone device includes an oxygen generator 80, an ozone generator 81, a cooling mechanism, an ozone pipe 85, and a jet nozzle, used to sterilize and disinfect the water in the pure water tank 50. Oxygen generator 80 provides high-concentration oxygen to ozone generator 81, which converts the oxygen into ozone with a concentration of 0.1-0.5 mg / L for sterilization. Ozone generator 81 is connected to a jet nozzle installed inside pure water tank 50 via ozone pipe 85. Ozone is dispersed into the water in pure water tank 50 through the jet nozzle to sterilize and disinfect the water, ensuring the quality of the purified water and meeting the water quality requirements of subsequent processes such as chemical dissolution and irrigation in single or multiple greenhouses. The cooling mechanism is used to reduce the temperature of the ozone generator 81 during operation. It includes a cooling circulating water pipe, a cooling circulating pump 82, a cooling fan 83, and a circulating water tank 84. One end of the cooling circulating water pipe is connected to the cooling channel of the ozone generator 81, and the other end is connected in series with the cooling circulating pump 82 and the cooling fan 83 before entering the circulating water tank 84 to form a cooling circulation loop. The cooling circulating pump 82 drives the coolant in the circulating water tank 84 to flow, absorb the heat generated by the ozone generator 81, and then dissipate the heat through the cooling fan 83 before flowing back to the circulating water tank 84 to ensure the stable operation of the ozone generator 81.

[0038] 8. Gas fertilizer device (optional) The gas fertilizer device includes a carbon dioxide tank 90, a manual valve 92, and a gas fertilizer pipe 91, used to supplement carbon dioxide to one or more greenhouses to promote crop photosynthesis. The carbon dioxide tank contains liquid carbon dioxide, which serves as a source of gaseous fertilizer. The carbon dioxide tank 90 is connected to the distribution tank 66 via the gas fertilizer pipe 91. A manual valve 92 is installed on the gas fertilizer pipe 91. When it is necessary to apply gas fertilizer to one or more greenhouses, the staff opens the manual valve 92 on site. The carbon dioxide enters the distribution tank 66 through the gas fertilizer pipe 91 and mixes with the pesticide delivered by the spraying device (if spraying is done simultaneously) or the air delivered by the inflation device. Then, it is delivered to one or more greenhouses through the spraying pipeline to achieve the synergistic application of gas fertilizer and pesticide / gas.

[0039] II. Operation Steps 1. Equipment initialization and parameter settings (adapted to single / multiple greenhouses) Turn on the main power supply of the equipment to complete the equipment initialization; according to the actual number of greenhouses managed (single or multiple) and the growth needs of crops in each greenhouse, preset the corresponding parameters through the remote terminal or on-site operation controller: including irrigation flow rate of single or multiple greenhouses, target pH value (6.0-7.5), target fertilizer concentration (1.2-1.8mS / cm), delivery ratio of each fertilizer, spraying pressure, spraying amount, ozone sterilization time, etc.; confirm that the main water pipe 10 and the spraying pipe 63 have been correctly connected to the irrigation and spraying interfaces of single or multiple greenhouses through the branch pipes to complete the parameter configuration.

[0040] 2. Water purification and sterilization The controller opens the electric water supply valve 52, allowing water from the supply pipe 23 to flow through the water purification pipe 51 into the ultrafiltration filter 53. The filtered water then flows into the pure water tank 50. Simultaneously, the controller starts the oxygen generator 80, ozone generator 81, and cooling mechanism (cooling circulation pump 82 and cooling fan 83). The ozone generated by the ozone generator 81 enters the pure water tank 50 through the ozone pipe 85 and the jet nozzle to sterilize and disinfect the purified water. After sterilization, the controller shuts down the oxygen generator 80, ozone generator 81, and cooling mechanism, storing the purified water for later use.

[0041] 3. Fertilizer preparation and mixing Solid fertilizer dissolution and delivery: Based on the fertility requirements of one or more greenhouses, the controller controls the opening of the electric water supply valve 24 of the corresponding single fertilizer tank 21, and the water supply pipe 23 delivers dissolved fertilizer solution to the single fertilizer tank 21; at the same time, the shear pump 29 is started to circulate and shear the solid fertilizer to dissolve it; after dissolution is completed, the controller starts the fertilizer solution pump 26 to deliver the solid fertilizer solution in the single fertilizer tank 21 to the mixed fertilizer tank 20 through the solid fertilizer solution delivery pipe 25. The solid fertilizer solution flow sensor 27 monitors the delivery volume in real time. After the preset value is reached, the controller closes the fertilizer solution pump 26 and the electric water supply valve 24 of the fertilizer tank.

[0042] Liquid fertilizer delivery: The controller starts the liquid fertilizer pump 32 of the corresponding liquid fertilizer tank 30 according to the fertilizer ratio requirements of one or more greenhouses. The liquid fertilizer is delivered to the mixed fertilizer tank 20 through the liquid fertilizer delivery pipe 31. The liquid fertilizer flow sensor 33 monitors the delivery volume. After the preset value is reached, the controller shuts off the liquid fertilizer pump 32.

[0043] Fertilizer solution filtration and concentration adjustment: The controller starts the circulation system of the mixed fertilizer tank 20. The fertilizer solution enters the self-cleaning filter 40 through the fertilizer solution circulation pipe 28 for filtration. The undissolved fertilizer particles are returned to the mixed fertilizer tank 20 through the drain outlet. If the fertilizer solution concentration exceeds the preset range, the controller starts the water purification pump 55 to transport the purified water in the purified water tank 50 to the mixed fertilizer tank 20 through the purified water delivery pipe 54. The purified water flow sensor 56 monitors the delivery volume until the fertilizer solution concentration reaches the preset requirements of one or more greenhouses.

[0044] 4. Irrigation and fertilization operations for single / multiple greenhouses The controller starts the main circulation pump 12 and fertilizer injection pump 42 according to the preset needs of one or more greenhouses, and opens the branch valves of the corresponding greenhouse irrigation pipelines. The water in the main water pipe 10 is filtered by the main filter 11 and then fully mixed with the fertilizer solution delivered by the fertilizer injection pipe 41 in the mixer 13. The main flow sensor 14, pH sensor 15 and conductivity sensor 16 monitor the flow rate, pH value and fertilizer concentration of the mixed water in real time and transmit the data to the controller. If the parameters of a certain greenhouse are abnormal, the controller fine-tunes the fertilizer injection amount or water flow rate of the corresponding greenhouse to ensure that it meets the preset requirements. The mixed water and fertilizer are delivered to the irrigation pipelines of one or more greenhouses through the main water pipe 10 and the branch pipelines to complete the irrigation and fertilization operation. When one or more greenhouses have reached the preset irrigation amount, the controller sequentially closes the corresponding branch valves, the main circulation pump 12 and the fertilizer injection pump 42.

[0045] 5. Single / multi-booth spraying operations (including pipeline flushing and aeration maintenance) Pesticide dissolution and dilution: When the operator adds pesticide to the pesticide tank 60, the controller starts the pesticide dissolution water pump 62, which transports the purified water in the purified water tank 50 to the pesticide tank 60 through the pesticide dissolution water pipe 61 to dissolve or dilute the pesticide; after the preset dissolution ratio is reached, the controller shuts off the pesticide dissolution water pump 62.

[0046] Single / Multiple Greenhouse Spraying: The controller opens the branch valves of the corresponding greenhouse spraying pipeline, as well as the electric spraying valve 64 before the pump, the high-pressure spraying pump 65, and the electric spraying valve 67 after the pump; the pesticide solution in the pesticide tank 60 enters the high-pressure spraying pump 65 through the spraying pipe 63 for pressurization, and then is evenly distributed to each branch pipeline through the distribution tank 66, and delivered to the spraying nozzles of one or more greenhouses for spraying; Pressure protection mechanism: During the spraying process, if the spraying pressure is too high, the liquid will flow back to the pesticide tank 60 through the pressure relief return pipe 68; after one or more greenhouses have reached the preset spraying amount, the controller will shut down the high-pressure spraying pump 65, the electric spraying valve 64 before the pump, the electric spraying valve 67 after the pump, and the corresponding branch valves to avoid pipeline rupture or nozzle damage.

[0047] Pipeline flushing: After spraying, the controller keeps the branch valve of the spray pipe 63 open, opens the flushing electric valve 58 and the water purification pump 55, and the purified water in the purified water tank 50 enters the spray pipe 63 and each branch pipe through the flushing pipe 57 to flush the residual pesticide in the pipeline; after the preset flushing time (such as 3-5 minutes), the controller closes the flushing electric valve 58 and the water purification pump 55.

[0048] Pipeline inflation maintenance: After flushing, the controller keeps the branch valve of the spray pipe 63 open and opens the inflation electric valve 73. The compressed air in the air tank 70 enters the distribution tank 66 through the inflation pipe 72, and then is delivered to the spray pipe 63 and each branch pipe to remove residual moisture and pesticide in the pipeline. After the preset inflation time (e.g., 2-3 minutes), the controller closes the inflation electric valve 73 and the branch valve of the spray pipe 63 to complete the pipeline maintenance.

[0049] 6. Application of gas fertilizer in single / multi-greenhouse greenhouses When it is necessary to supplement carbon dioxide into one or more greenhouses to promote crop photosynthesis, gaseous fertilizer application can be carried out. The specific steps are as follows: Preparation for operation: The staff confirms that the carbon dioxide tank 90, manual valve 92, and gas fertilizer pipe 91 of the gas fertilizer device are properly connected, and that the distribution tank 66 and the branch interface of the spraying pipeline of the corresponding greenhouse are unobstructed; determine the amount of gas fertilizer to be applied and the duration of application based on the crop type, growth stage and carbon dioxide requirements of one or more greenhouses.

[0050] Fertilizer delivery: On-site staff open the manual valve 92 at the outlet of carbon dioxide tank 90. ​​The liquid carbon dioxide in the tank is converted into gaseous state through the fertilizer delivery pipe 91 and then enters the distribution tank 66. If spraying is to be carried out simultaneously, the gaseous carbon dioxide can be initially mixed with the liquid pesticide delivered by the spraying device in the distribution tank 66, and then delivered to one or more greenhouses through the branch of the spraying pipeline. If only fertilizer is applied, the gaseous carbon dioxide is evenly distributed by the distribution tank 66 and then directly delivered to the target greenhouse through the branch of the spraying pipeline.

[0051] Operation Stop: After the preset amount or duration of gas fertilizer application is reached, the staff closes the manual valve 92 to stop the carbon dioxide supply. If spraying is carried out simultaneously, the pipeline maintenance procedure (flushing and aeration) after spraying should be followed. If only gas fertilizer is applied, after the residual carbon dioxide in the pipeline has been transported, the branch valve of the corresponding greenhouse spraying pipeline is closed to complete the single / multiple greenhouse gas fertilizer application operation.

[0052] 7. Work completion and equipment maintenance After all operations are completed, the controller shuts down all operating components of the equipment, and the staff turns off the main power supply of the equipment. Regularly check the operating status of each component: clean the filter residue of the main filter 11, self-cleaning filter 40 and ultrafiltration filter 53, and check whether there are any leaks in the connection of the main water pipe 10, spray pipe 63 and each branch pipe, to ensure that the equipment can be used normally for the next management operation of a single or multiple greenhouses.

Claims

1. An intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment, suitable for greenhouses and capable of managing one or more greenhouses with a single device, characterized in that... The system includes a control device, an irrigation device, a fertilization device, a water purification device, a spraying device, an aeration device, and an ozone device. The irrigation device includes a main water pipe (10) connecting the water source to the greenhouse irrigation pipeline. A main circulation pump (12) is installed on the main water pipe (10). A fertilizer injection pipe (41) and a water supply pipe (23) are connected to the main water pipe (10) behind the main circulation pump (12). The fertilization device includes a solid fertilizer injection section and a liquid fertilizer injection section. The solid fertilizer injection section includes multiple fertilizer dissolving tanks, and the liquid fertilizer injection section includes multiple liquid fertilizer tanks (30). The water purification device includes a pure water tank (50). One side of the pure water tank (50) is connected to a water purification system. The water pipe (51) is connected to the water supply pipe (23), and the other side is connected to the fertilizer tank (20) through the purified water delivery pipe (54); the spraying device includes a pesticide tank (60), which is connected to the spraying pipe (63) leading to the greenhouse (single or multiple); the air filling device includes an air tank (70) and an air pump (71), which is used to blow air into the spraying pipeline after the spraying device has completed spraying and pipeline flushing to avoid corrosion of the pesticide liquid and blockage of the pipeline and nozzle; the ozone device includes an oxygen generator (80), an ozone generator (81) and a cooling mechanism; the control device includes a controller, a signal acquisition circuit, a drive control circuit and a 4G communication module.

2. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, One of the fertilizer dissolving tanks in the solid fertilizer dispensing section is a mixed fertilizer tank (20), and the rest are single fertilizer tanks (21). There are four single fertilizer tanks (21), namely nitrogen fertilizer tank, biological agent tank, phosphate fertilizer tank and potassium fertilizer tank. Each fertilizer dissolving tank is connected to a water supply pipe (23) through a fertilizer tank branch water supply pipe (22). A fertilizer tank electric water supply valve (24) is installed on the fertilizer tank branch water supply pipe (22). Each fertilizer dissolving tank is equipped with a shear pump (29) connected by a fertilizer liquid circulation pipe (28). Each single fertilizer tank (21) is connected to the mixed fertilizer tank (20) through a solid fertilizer liquid delivery pipe (25). A fertilizer liquid pump (26) and a solid fertilizer liquid flow sensor (27) are installed on the solid fertilizer liquid delivery pipe (25).

3. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, The liquid fertilizer filling section has five liquid fertilizer tanks (30), namely a medium element tank, a multi-element chelated trace element tank, a bioactive synergist tank, a plant growth regulator tank, and a fertilizer solution acidifier tank; each liquid fertilizer tank (30) is connected to the mixed fertilizer tank (20) through a liquid fertilizer delivery pipe (31), and a liquid fertilizer pump (32) and a liquid fertilizer flow sensor (33) are installed on the liquid fertilizer delivery pipe (31).

4. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, The fertilizer circulation pipe (28) of the mixed fertilizer tank (20) is first connected to the inlet of the self-cleaning filter (40) in the direction of fertilizer flow. The sewage outlet of the self-cleaning filter (40) flows back to the mixed fertilizer tank (20). The outlet is connected to the main water pipe (10) between the main filter (11) and the main circulation pump (12) through the fertilizer injection pipe (41). The fertilizer injection pipe (41) is equipped with a fertilizer injection pump (42). The main water pipe (10) can be connected to the irrigation pipes of one or more greenhouses through branch pipes, so as to realize the irrigation and fertilization management of one or more greenhouses by one device.

5. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, The water purification device has an electric water supply valve (52) and an ultrafiltration filter (53) installed on the water purification pipe (51) in the direction of water flow, and a water purification pump (55) and a water purification flow sensor (56) installed on the water purification delivery pipe (54).

6. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, The pesticide tank (60) of the spraying device is connected to the pure water tank (50) by a pesticide-dissolving water pipe (61), and a pesticide-dissolving water pump (62) is installed on the pesticide-dissolving water pipe (61). The spraying pipe (63) is provided with a pre-pump spraying electric valve (64), a spraying high-pressure pump (65), a distribution tank (66), and a post-pump spraying electric valve (67) in sequence according to the water flow direction. The pressure relief port of the spraying high-pressure pump (65) is connected to the pesticide tank (60) by a pressure relief return pipe (68). The spraying pipe (63) between the pure water tank (50) and the pre-pump spraying electric valve (64) and the spraying high-pressure pump (65) is connected to a flushing pipe (57), and a flushing electric valve (58) is installed on the flushing pipe (57). The spraying pipe (63) can be connected to the spraying components of one or more greenhouses through branch pipes to realize the spraying management of one or more greenhouses by one device.

7. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, The air tank (70) of the air filling device is connected to the distribution tank (66) by an air filling pipe (72), and an air filling electric valve (73) is provided on the air filling pipe (72). After the spraying device completes the spraying, it first delivers clean water through the flushing pipe (57) to rinse the spraying pipeline. After rinsing, the air filling device opens the air filling electric valve (73) to blow air into the spraying pipeline to discharge the residual water and liquid in the pipeline, so as to avoid the liquid from corroding and clogging the pipeline and nozzle.

8. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, The ozone generated by the ozone generator (81) of the ozone device is connected to the jet head in the pure water tank (50) through the ozone pipe (85); the cooling mechanism includes a cooling circulating water pipe, a cooling circulating pump (82), a cooling fan (83) and a circulating water tank (84). One end of the cooling circulating water pipe is connected to the ozone generator (81), and the other end is connected to the cooling circulating pump (82) and the cooling fan (83) in sequence and then connected to the circulating water tank (84).

9. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, The main flow sensor (14), pH sensor (15), conductivity sensor (16), solid fertilizer liquid flow sensor (27), liquid fertilizer liquid flow sensor (33), and purified water flow sensor (56) of the control device are connected to the controller through a signal acquisition circuit; valves such as the fertilizer tank electric water supply valve (24) and purified water electric water supply valve (52), as well as pump bodies such as the main circulation pump (12) and fertilizer liquid pump (26), and oxygen generator (80) and ozone generator (81) are all connected to the controller through a drive control circuit; the controller can receive management instructions from one or more greenhouses through a 4G communication module, and respectively regulate the irrigation, fertilization, spraying and other operations of the corresponding pipelines.

10. The intelligent remote-controlled integrated water, fertilizer, gas, and pesticide greenhouse equipment according to claim 1, characterized in that, It also includes a gas fertilizer device, which includes a carbon dioxide tank (90), and the carbon dioxide tank (90) is connected to a distribution tank (66) via a manual valve (92) and a gas fertilizer pipe (91); the main water pipe is provided with a main filter (11), a main circulation pump (12), a mixer (13), a main flow sensor (14), a pH sensor (15), and a conductivity sensor (16) in sequence according to the water flow direction.

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