A multi-functional three-dimensional cultivation system

By designing a multifunctional three-dimensional cultivation system, the problems of existing equipment being single-mode, high investment, and algae growth have been solved. It achieves an integrated solution for the cultivation needs of different crops, reduces costs, and improves production efficiency and equipment versatility.

CN119817456BActive Publication Date: 2026-05-22ZHENGZHOU AGRI SCI & TECH RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHENGZHOU AGRI SCI & TECH RES INST
Filing Date
2024-12-23
Publication Date
2026-05-22

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Abstract

The present application relates to the technical field of agricultural cultivation, and discloses a multifunctional three-dimensional cultivation system, which comprises a liquid storage tank, two fixing frames are fixedly connected to the left and right sides of the top of the liquid storage tank, a pump body is installed on the inner side of the liquid storage tank, a second connecting pipe is fixedly connected to the input end of the pump body, a first connecting pipe is fixedly connected to the output end of the pump body, a liquid spraying pipe is connected to the outer side of the first connecting pipe through a plurality of connecting pieces, a plurality of water spraying openings are in communication with the outer side of the liquid spraying pipe, and a plurality of planting racks are installed on the inner side of the fixing frames. The multifunctional cultivation tank can support different cultivation modes such as substrate culture, water culture and soil culture at the same time, and can realize integrated solution of various requirements of different crop cultivation. The compatibility greatly improves the universality of the equipment and reduces the investment cost of the grower. The grower can freely select a suitable cultivation mode according to the requirements or growth cycle of different crops, thereby improving the flexibility and efficiency of production.
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Description

Technical Field

[0001] This invention relates to the field of agricultural cultivation technology, specifically a multifunctional three-dimensional cultivation system. Background Technology

[0002] In existing agricultural cultivation techniques, traditional planting methods such as substrate culture, soil culture, and hydroponics each have their advantages and limitations. For example, soil culture is suitable for a variety of plants, but it is easily affected by environmental factors such as soil quality and pests; hydroponics can avoid soil problems and promote faster plant growth, but it requires higher investment in equipment and technology. Furthermore, most existing cultivation equipment is specifically designed for a particular cultivation method, making it difficult to flexibly adapt to the needs of different crops, forcing growers to replace equipment or make additional investments when switching between multiple cultivation modes. In addition, existing seedling equipment is often used separately from the cultivation system, which not only increases the cost of equipment purchase and operation but also limits the efficient integration of seedling raising and cultivation processes. In hydroponic systems, the illumination from plant growth lights can lead to algae growth, affecting the quality of the nutrient solution and increasing maintenance costs, but most current hydroponic systems do not provide effective solutions to prevent algae growth.

[0003] Therefore, existing technologies suffer from technical bottlenecks such as a single cultivation model, high equipment investment, inefficient integration of cultivation and seedling raising processes, and unresolved issues related to green algae growth in hydroponic systems. To address these problems, those skilled in the art propose a multifunctional three-dimensional cultivation system. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a multifunctional three-dimensional cultivation system that solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a multifunctional three-dimensional cultivation system, comprising a nutrient solution tank, with two fixed brackets fixedly connected to the top left and right sides of the nutrient solution tank. A pump body is installed inside the nutrient solution tank, with a second connecting pipe fixedly connected to the input end of the pump body and a first connecting pipe fixedly connected to the output end of the pump body. A spray pipe is connected to the outside of the first connecting pipe via multiple connectors, and multiple spray nozzles are connected to the outside of the spray pipe. Multiple planting racks are installed inside the fixed brackets, and multiple planting troughs are formed on the outer surface of the planting racks. The planting troughs are used for planting crops, and an overflow outlet is connected to the bottom of the planting trough. A removable cover plate is installed inside the overflow outlet, which is closed in the working state. When cleaning the substrate or soil cultivation system, the removable cover plate can be opened for cleaning. In hydroponic mode, the removable cover plate remains closed. By activating the pump body, the nutrient solution inside the nutrient solution tank is sprayed out through the spray nozzles outside the spray pipes. Combined with the opening and closing of the overflow outlet, two planting systems are formed.

[0006] Preferably, a second electric telescopic rod is fixedly connected to both the left and right sides of the top of the planting frame. A support frame is rotatably mounted on the output end of one of the second electric telescopic rods. An installation cavity is opened on the top of the support frame. A rack plate is slidably connected inside the installation cavity. A first electric telescopic rod is installed on the outside of the support frame. An installation plate is rotatably connected to the top of the other second electric telescopic rod. A drive gear is fixedly connected to one side of the installation plate.

[0007] Preferably, the drive gear is mounted on the top of the support frame, the outer side of the drive gear meshes with the outer side of the rack plate, and the drive end of the first electric telescopic rod is fixedly connected to one end of the rack plate.

[0008] Preferably, a slider is slidably connected to the outer side of the fixing frame, a connecting plate is fixedly connected to the inner side of the slider, an installation groove is provided inside the connecting plate, a limit groove is provided on the inner wall of the installation groove, a drive screw is threadedly connected to the through hole on the outer side of the connecting plate, a fixed plate is rotatably connected to one side of the drive screw, two connecting rods are rotatably connected to the outer side of the fixed plate, a locking pin is rotatably connected to one end of the connecting rod, and a locking groove is provided inside the slider.

[0009] Preferably, the longitudinal section of the locking post is square, and one end of the locking post is inserted into the inside of the locking groove.

[0010] Preferably, an electronic valve is installed on the outside of the spray pipe, and a level gauge is installed inside the planting rack. The level gauge is used to detect when the set water level is reached. When the set water level is reached, the electronic valve opens and the nutrient solution flows into the next planting trough. When multiple planting troughs reach the set nutrient solution height, the liquid supply is automatically stopped. In hydroponic mode, the level gauge and the electronic valve work together to ensure that the liquid flow does not affect the position and function of the cover plate and valve.

[0011] Preferably, a filter screen is detachably connected inside the storage tank, and multiple immersion germicidal lamps are fixedly connected inside the storage tank. The immersion germicidal lamps are used to disinfect bacteria in the nutrient solution.

[0012] Preferably, the mounting plate is equipped with a plurality of planting lights, and the spray pipe is fixedly connected to the bottom of the mounting plate.

[0013] Preferably, the inner wall of the planting trough is fitted with a cover plate, and a bend is provided in the middle of the planting trough for placing the cover plate. The outer surface of the cover plate is detachably connected with a valve. The cover plate and the valve are used to cover the nutrient solution in the planting trough during hydroponics, for plant establishment, and to prevent the nutrient solution from turning green when exposed to light, affecting the appearance and consuming the nutrients in the nutrient solution. During substrate cultivation and hydroponics, the cover plate is removed, the sprinkler system is turned on for irrigation with water and fertilizer. After the plants are harvested, when cleaning is required, the removable cover plate is opened to clean the planting trough.

[0014] This invention provides a multifunctional three-dimensional cultivation system. It has the following beneficial effects:

[0015] 1. This invention, through the design of a multifunctional cultivation trough, can simultaneously support different cultivation modes such as substrate cultivation, hydroponics, and soil cultivation, achieving an integrated solution for the diverse needs of different crop cultivation. This compatibility greatly improves the versatility of the equipment and reduces the input costs for growers. Growers can freely choose the appropriate cultivation method according to the needs or growth cycles of different crops, improving production flexibility and efficiency. Furthermore, this invention integrates the seedling raising and cultivation processes within the same cultivation trough through the design of a dual-purpose hydroponic cover plate, reducing the need for additional seedling raising equipment and lowering equipment procurement and operating costs. In addition, the six-lobed, closable membrane design on the hydroponic cover plate effectively prevents algae growth caused by direct sunlight from plant growth lights, reducing nutrient solution waste and pollution caused by algae. Its self-adhesive design allows for periodic membrane replacement, ensuring high efficiency and hygiene during long-term use, while saving the cost of frequent cover plate replacements.

[0016] 2. This invention adopts an adjustable plant growth lamp lifting mode, which can automatically adjust the light intensity and irradiation range according to the plant's growth stage, ensuring that the plant can obtain the most suitable light conditions at each growth stage. At the same time, combined with the automatic control of electronic valves and liquid level gauges, the system can avoid excessive liquid supply or overflow while ensuring sufficient water and fertilizer supply, thus saving water resources and improving fertilizer utilization efficiency.

[0017] 3. This invention features an adjustable cultivation rack height, allowing for flexible adjustment of the cultivation trough height according to the growth characteristics and needs of different crops. This function is particularly suitable for planting crops of various sizes and growth cycles, ensuring that crop roots can fully contact the nutrient solution. Simultaneously, this invention allows the spray nozzle to oscillate back and forth, ensuring that water or nutrient solution is evenly distributed throughout the cultivation area. Through the repeated oscillation of the water flow, water droplets can be more widely distributed around the plant roots, avoiding the problem of excessive or insufficient irrigation in certain areas caused by a single fixed nozzle. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present invention;

[0019] Figure 2 This is a schematic diagram of the planting rack structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the mounting plate structure of the present invention;

[0021] Figure 4 This is a cross-sectional view of the fixing frame of the present invention;

[0022] Figure 5 This is a schematic diagram of the removable snap-on panel structure of the present invention;

[0023] Figure 6 for Figure 2 Enlarged view of point A in the middle;

[0024] Figure 7 This is a schematic diagram of the spray pipe structure of the present invention;

[0025] Figure 8 This is a schematic diagram of the liquid storage tank structure of the present invention.

[0026] The components include: 1. Storage tank; 2. Fixing frame; 3. Planting rack; 4. Level gauge; 5. Second electric telescopic rod; 601. Support frame; 602. First electric telescopic rod; 603. Rack plate; 604. Drive gear; 605. Mounting plate; 606. Mounting cavity; 701. Connecting plate; 702. Drive screw; 703. Mounting groove; 704. Limiting groove; 705. Locking post; 706. Slider; 707. Locking groove; 708. Connecting rod; 8. First connecting pipe; 9. Electronic valve; 10. Connecting piece; 11. Spray pipe; 12. Planting trough; 13. Overflow outlet; 14. Removable cover plate; 15. Cover plate; 16. Valve; 17. Planting lamp; 18. Pump body; 19. Filter screen; 20. Second connecting pipe; 21. Immersion germicidal lamp. Detailed Implementation

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Please see the appendix Figure 1 -Appendix Figure 8This invention provides a multifunctional three-dimensional cultivation system, including a liquid storage tank 1. Two mounting brackets 2 are fixedly connected to the left and right sides of the top of the liquid storage tank 1. A pump body 18 is installed inside the liquid storage tank 1. A second connecting pipe 20 is fixedly connected to the input end of the pump body 18, and a first connecting pipe 8 is fixedly connected to the output end of the pump body 18. A spray pipe 11 is connected to the outside of the first connecting pipe 8 through multiple connectors 10. Multiple water spray nozzles are connected to the outside of the spray pipe 11. Multiple planting racks 3 are installed inside the mounting brackets 2. Multiple planting troughs 12 are formed on the outer surface of the planting racks 3 for planting crops. The bottom of the planting trough 12 is connected to an overflow outlet 13. The overflow outlet 13 is equipped with a removable cover plate 14. The removable cover plate 14 is closed in the working state to prevent excess water from overflowing. When the removable cover plate 14 is lifted upward, the overflow outlet 13 can be opened automatically to drain excess water. When cleaning the substrate or soil cultivation system, the removable cover plate 14 can be opened for cleaning. In hydroponic mode, the removable cover plate 14 is always kept closed. By starting the pump body 18, the nutrient solution inside the storage tank 1 is sprayed out through the spray nozzle outside the spray pipe 11. With the opening and closing of the overflow outlet 13, two planting systems are formed.

[0029] Specifically, the movable panels 14 inside each planting trough 12 are moved downwards until they block the overflow outlet 13. The pump 18 is started, and the nutrient solution in the storage tank 1 is delivered to each spray pipe 11 through the second connecting pipe 20 and the first connecting pipe 8. The electronic valve 9 of the first layer automatically opens, allowing the nutrient solution to enter the first planting rack 3. When the level gauge 4 inside the first planting rack 3 detects the set water level, the electronic valve 9 of the first layer automatically closes. As the electronic valve 9 of the first layer closes, the electronic valve 9 of the second layer automatically opens, starting to supply nutrient solution to the second layer. This process repeats sequentially; when the level gauge 4 of each layer detects the set water level, the corresponding electronic valve 9 closes, and then the electronic valve 9 of the next layer opens. When all planting racks 3 have reached the set nutrient solution level, all electronic valves 9 automatically close, and the system stops supplying nutrient solution.

[0030] The top left and right sides of the planting frame 3 are fixedly connected to second electric telescopic rods 5. A support frame 601 is rotatably mounted on the output end of one of the second electric telescopic rods 5. A mounting cavity 606 is formed on the top of the support frame 601, and a rack plate 603 is slidably connected inside the mounting cavity 606. A first electric telescopic rod 602 is mounted on the outside of the support frame 601. A mounting plate 605 is rotatably connected to the top of the other second electric telescopic rod 5. A drive gear 604 is fixedly connected to one side of the mounting plate 605. The drive gear 604 is mounted on the top of the support frame 601, and its outer side meshes with the outer side of the rack plate 603. The drive end of the first electric telescopic rod 602 is fixedly connected to one end of the rack plate 603.

[0031] Specifically, after the second electric telescopic rod 5 is activated, it causes the support frame 601 and the mounting plate 605 to move vertically. This controls the up-and-down position of the spraying equipment, ensuring a uniform nutrient supply to different areas. When the first electric telescopic rod 602 is activated, it drives the rack plate 603 to slide along the inner wall of the mounting cavity 606. The movement of the rack plate 603 causes the drive gear 604 to swing in both directions, thereby causing the mounting plate 605 to swing left and right, further expanding the spraying range. Due to the meshing of the drive gear 604 and the rack plate 603, the sliding of the rack plate 603 allows the spraying device to swing left and right and move up and down synchronously, achieving precise control over the area and range of spraying.

[0032] The device, through the coordinated use of the second electric telescopic rod 5 and the first electric telescopic rod 602, allows the spraying device to flexibly adjust the spraying range and angle, avoiding the uneven irrigation problems that may be caused by a single fixed nozzle. Water droplets repeatedly oscillate to cover the area around the plant roots, ensuring that water or nutrient solution is evenly distributed throughout the cultivation area.

[0033] A slider 706 is slidably connected to the outer side of the fixed frame 2. A connecting plate 701 is fixedly connected to the inner side of the slider 706. An installation groove 703 is provided inside the connecting plate 701. A limit groove 704 is provided on the inner wall of the installation groove 703. A drive screw 702 is threadedly connected to the through hole on the outer side of the connecting plate 701. A fixed plate is rotatably connected to one side of the drive screw 702. Two connecting rods 708 are rotatably connected to the outer side of the fixed plate. A locking post 705 is rotatably connected to one end of the connecting rod 708. A locking groove 707 is provided inside the slider 706. The longitudinal section of the locking post 705 is square. One end of the locking post 705 is inserted into the inside of the locking groove 707.

[0034] Specifically, by rotating the drive screw 702, the fixed plate begins to rotate. The rotation of the fixed plate causes one end of the external connecting rod 708 to swing. The swing of the connecting rod 708, through its structural design, generates traction force. The traction force of the connecting rod 708 causes the locking post 705 to move along the inner wall of the limiting groove 704 in the connecting plate 701. Since one end of the locking post 705 engages with the locking groove 707, the locking post 705 gradually disengages from one end of the locking groove 707 during this process, causing the slider 706 to move along the outer surface of the fixed frame 2. The height of the planting frame 3 can be adjusted by the movement of the slider 706. After adjusting to the appropriate height, the operation can be stopped. When the adjustment is complete, by rotating the drive screw 702 in the opposite direction, the movement direction of the fixed plate, connecting rod 708, and other components is reversed, the locking post 705 re-inserts into the locking groove 707, fixing the slider 706, so that the planting frame 3 returns to a fixed state. The square longitudinal section of the locking post 705 fits tightly with the internal structure of the locking groove 707, ensuring stable operation of the slider 706 during adjustment. The limiting groove 704 ensures that the locking post 705 can only move in one direction, preventing it from deviating from the designed trajectory and providing precise adjustment functionality.

[0035] An electronic valve 9 is installed on the outside of the spray pipe 11, and a level gauge 4 is installed inside the planting rack 3. The level gauge 4 is used for detection. When the set water level is reached, the electronic valve 9 opens and the nutrient solution flows into the next planting trough 12. When multiple planting troughs 12 reach the set nutrient solution height, the liquid supply is automatically stopped. In hydroponic mode, the level gauge 4 and the electronic valve 9 work together to ensure that the liquid flow does not affect the position and function of the cover plate 15 and the valve 16.

[0036] Specifically, the level gauge 4 is installed inside the planting rack 3, mainly used to monitor the nutrient solution level in each planting trough 12 in real time. When the nutrient solution level in a certain planting trough 12 reaches the preset level, the level gauge 4 sends a signal to the electronic valve 9, triggering it to open, thus allowing the nutrient solution to flow into the lower planting trough 12, ensuring that the nutrient solution can be evenly supplied to the plants in each layer. This design effectively avoids uneven nutrient solution supply or excessive inflow, ensuring the healthy growth of the plants. When the nutrient solution levels in multiple planting troughs 12 have all reached the set level, the level gauge 4 continues to monitor the nutrient solution level changes in each layer, and automatically sends a closing signal to the electronic valve 9 after the nutrient solution levels in all planting troughs 12 have reached the predetermined standard, stopping the inflow of nutrient solution. This automatic shut-off function not only effectively saves nutrient solution usage and avoids waste, but also ensures the efficient operation of the entire cultivation system.

[0037] A filter screen 19 is detachably connected inside the storage tank 1, and multiple immersion germicidal lamps 21 are fixedly connected inside the storage tank 1. The immersion germicidal lamps 21 are used to disinfect germs in the nutrient solution. Several planting lamps 17 are installed at the bottom of the mounting plate 605, and the spray pipe 11 is fixedly connected to the bottom of the mounting plate 605. The inner wall of the planting trough 12 is fitted with a cover plate 15. A bend is set in the middle of the planting trough 12 to place the cover plate 15. A valve 16 is detachably connected to the outer surface of the cover plate 15. The cover plate 15 and the valve 16 are used to cover the nutrient solution in the planting trough 12 during hydroponics, for plant planting, to prevent the nutrient solution from turning green when exposed to light, affecting the appearance, and consuming the nutrients in the nutrient solution. During substrate cultivation and hydroponics, the cover plate 15 is removed, the spray system is turned on, and water and fertilizer are irrigated. After the plants are harvested, when cleaning is required, the removable cover plate 14 is opened to clean the planting trough 12.

[0038] Specifically, the nutrient solution tank 1 is a container used to store and supply nutrient solution. To ensure the nutrient solution is clean and not contaminated by impurities, a removable filter screen 19 is installed inside the tank 1, which can be periodically removed and cleaned to prevent impurities from entering the nutrient solution. Multiple immersion germicidal lamps 21 are installed inside the tank 1. These lamps are designed to be directly immersed in the nutrient solution to kill pathogens and microorganisms in the solution, ensuring a clean and healthy hydroponic environment, reducing the risk of pathogen infection, and ensuring healthy plant growth. The mounting plate 605 is a fixed platform with multiple planting lights 17 fixedly connected to its bottom. These lights provide the light required by the plants, contributing to photosynthesis and growth.

[0039] The cover plate 15 can be used for both hydroponic seedling cultivation and growth. The row spacing of the planting holes is set according to the row spacing of the crop seedling stage. After the seedlings grow, thinning can be carried out, retaining seedlings according to the row spacing of the crop growth stage, and moving the thinned seedlings into other planting troughs 12. During the thinning and transplanting of seedlings, the valves 16 on the cover plate 15 open and close with the process of pulling and inserting. When pulling out seedlings, the valves 16 on the planting plate close due to force, and during the planting process, the valves 16 on the planting plate open due to force, forming a closure to prevent direct light from shining into the nutrient solution, which would cause green algae to form and consume nutrients in the nutrient solution. The valves 16 are self-adhesive valves 16 and can be replaced periodically or according to the degree of use.

[0040] Working principle:

[0041] S1: Preparations

[0042] First, prepare a suitable nutrient solution or aqueous solution for plant growth and place it in the storage tank 1. The storage tank 1 is equipped with an immersion germicidal lamp 21 to disinfect pathogens in the nutrient solution, ensuring the hygiene and safety of the liquid. The pump 18 inside the storage tank 1 connects to and drives two circulating planting systems, delivering the nutrient solution to each planting trough through pipes.

[0043] S2: Hydroponic mode

[0044] In hydroponic mode, the movable cover plate 14 of each planting trough 12 is closed to ensure that the overflow outlet 13 is not blocked. At this time, the level gauge 4 starts working to monitor the water level. The pump body 18 is started, and the nutrient solution is delivered to each spray pipe 11 through the second connecting pipe 20 and the first connecting pipe 8. When the first-layer level gauge 4 detects the set water level, the first-layer electronic valve 9 closes, and the second-layer electronic valve 9 automatically opens. In this way, each planting rack 3 stops supplying nutrient solution at the set water level. When the water level of all planting racks 3 reaches the set height, all electronic valves 9 close, and the system automatically stops supplying nutrient solution.

[0045] S3: Soil-based and substrate-based cultivation modes

[0046] Adjustment of removable cover plate 14: In soil cultivation and substrate cultivation modes, the removable cover plate 14 needs to be opened for root irrigation and cleaning. At this time, the removable cover plate 14 is in the open state, which facilitates cleaning and drainage.

[0047] Sprinkler system control: During soil cultivation or substrate cultivation, the open state of the flexible cover plate 14 works in conjunction with the sprinkler system. The spray pipe 11 evenly sprays the nutrient solution onto the planting area. The first electric telescopic rod 602 and the second electric telescopic rod 5 drive the spraying device to swing via the rack plate 603 and the drive gear 604, ensuring even distribution of water or nutrient solution and avoiding over- or under-irrigation problems in some areas caused by fixed nozzles. The overflow port 13 is used to collect excess nutrient solution and prevent water accumulation. The overflow port 13 drains excess nutrient solution, ensuring a quantitative and stable liquid supply within the system. In soil cultivation and substrate cultivation modes, the level gauge 4 does not participate in level monitoring, therefore the electronic valve 9 is not affected by changes in the liquid level.

[0048] Overflow outlet 13 function: Unlike the overflow outlet 13 in hydroponics, the overflow outlet 13 in soil and substrate cultivation modes is mainly used to drain excess nutrient solution or water to prevent excessive water loss, but it does not rely on the control of the level gauge 4. The overflow outlet 13 recovers excess nutrient solution and guides it back to the storage tank for reuse.

[0049] S4: Cover plate and valve working mode

[0050] Cover and valve design: In hydroponic mode, a bend is set 7 cm in the middle of each planting trough 12 to accommodate the cover 15. An appropriate nutrient solution level is set below the cover 15 to ensure the plant roots can fully contact the nutrient solution, while maintaining a gap between the leaves and the cover to facilitate root respiration. A valve 16 is installed on the cover 15. As seedlings are moved in or removed, the valve 16 automatically opens and closes according to the force applied. When removing seedlings, the valve 16 closes under the force; when inserting seedlings, the valve 16 opens with the force, ensuring the nutrient solution is not exposed to light, preventing algae formation, and ensuring that the nutrients in the nutrient solution are not consumed.

[0051] S5: Height adjustment of planting rack 3

[0052] By rotating the drive screw 702, the fixed plate can drive the connecting rod 708 to swing, thereby moving the locking post 705 and controlling the height adjustment of the planting rack 3. After adjustment, by rotating the drive screw 702 in the opposite direction, one end of the locking post 705 is engaged in the locking slot 707, ensuring that the planting rack 3 is fixed at the correct height. The height adjustment function of the planting rack 3 ensures that each planting trough 12 can maintain a suitable height according to the growth needs of different plants, ensuring an adequate supply of water and nutrients.

[0053] S6: Water Recovery and Nutrient Solution Management

[0054] In soil-based and substrate-based cultivation modes, overflow outlet 13 is used to recover excess nutrient solution and prevent excessive water loss. The recovered nutrient solution is piped back to storage tank 1 for reuse, maintaining liquid recycling. When the nutrient solution in the system reaches a certain usage cycle, storage tank 1 can be manually emptied to replace it with new nutrient solution. This operation can be performed manually or via system prompts, ensuring that the quality of the nutrient solution in the system always meets the plant's growth requirements.

[0055] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multifunctional three-dimensional cultivation system, comprising a liquid storage tank (1), characterized in that, Two fixed brackets (2) are fixedly connected to the top left and right sides of the liquid storage tank (1). A pump body (18) is installed inside the liquid storage tank (1). A second connecting pipe (20) is fixedly connected to the input end of the pump body (18). A first connecting pipe (8) is fixedly connected to the output end of the pump body (18). A spray pipe (11) is connected to the outside of the first connecting pipe (8) through multiple connectors (10). Multiple water spray nozzles are connected to the outside of the spray pipe (11). Multiple planting racks (3) are installed inside the fixed brackets (2). Multiple planting troughs (12) are opened on the outer surface of the planting racks (3). The planting troughs (12) are used to plant crops. The bottom of the trough (12) is connected to an overflow outlet (13). The overflow outlet (13) is equipped with a removable cover plate (14). The removable cover plate (14) is closed in the working state to prevent excess water from overflowing. When the removable cover plate (14) is lifted upward, the overflow outlet (13) can be opened automatically to drain excess water. When cleaning the substrate or soil cultivation system, the removable cover plate (14) is opened for cleaning. In hydroponic mode, the removable cover plate (14) is always closed. By starting the pump body (18), the nutrient solution inside the storage tank (1) is sprayed out through the spray nozzle outside the spray pipe (11). With the opening and closing of the overflow outlet (13), two planting systems are formed. The top of the planting frame (3) is fixedly connected to the left and right sides of the top, and a support frame (601) is rotatably installed on the top of one of the second electric telescopic rods (5). The top of the support frame (601) is provided with an installation cavity (606). A rack plate (603) is slidably connected inside the installation cavity (606). A first electric telescopic rod (602) is installed on the outside of the support frame (601). The top of the other second electric telescopic rod (5) is rotatably connected to an installation plate (605). A drive gear (604) is fixedly connected to one side of the installation plate (605). A slider (706) is slidably connected to the outside of the fixed frame (2), and a connecting plate (701) is fixedly connected to the inside of the slider (706). An installation groove (703) is provided inside the connecting plate (701), and a limit groove (704) is provided on the inner wall of the installation groove (703). A drive screw (702) is threadedly connected to the through hole on the outside of the connecting plate (701). A fixed disk is rotatably connected to one side of the drive screw (702), and two connecting rods (708) are rotatably connected to the outside of the fixed disk. A locking pin (705) is rotatably connected to one end of the connecting rod (708), and a locking groove (707) is provided inside the slider (706). The inner wall of the planting trough (12) is fitted with a cover plate (15). A bend is set in the middle of the planting trough (12) for placing the cover plate (15). The outer surface of the cover plate (15) is detachably connected with a valve (16). The cover plate (15) and the valve (16) are used to cover the nutrient solution in the planting trough (12) during hydroponics, for planting plants, to prevent the nutrient solution from turning green when exposed to light, affecting the appearance and consuming the nutrients in the nutrient solution. When using substrate cultivation or hydroponics, the cover plate (15) is removed, the sprinkler system is turned on, and water and fertilizer are irrigated. After the plants are harvested, when cleaning is required, the removable cover plate (14) is opened to clean the planting trough (12).

2. The multifunctional three-dimensional cultivation system according to claim 1, characterized in that, The drive gear (604) is mounted on the top of the support frame (601), and the outer side of the drive gear (604) is meshed with the outer side of the rack plate (603). The drive end of the first electric telescopic rod (602) is fixedly connected to one end of the rack plate (603).

3. The multifunctional three-dimensional cultivation system according to claim 1, characterized in that, The longitudinal section of the card post (705) is square, and one end of the card post (705) is inserted into the inside of the card slot (707).

4. The multifunctional three-dimensional cultivation system according to claim 1, characterized in that, An electronic valve (9) is installed on the outside of the spray pipe (11), and a level gauge (4) is installed inside the planting rack (3). The level gauge (4) is used for detection. When the set water level is reached, the electronic valve (9) opens and the nutrient solution flows into the next planting trough (12). When multiple planting troughs (12) reach the set height of the nutrient solution, the liquid supply is automatically stopped. In hydroponic mode, the level gauge (4) and the electronic valve (9) work together to ensure that the liquid flow does not affect the position and function of the cover plate (15) and the valve (16).

5. The multifunctional three-dimensional cultivation system according to claim 1, characterized in that, The storage tank (1) is detachably connected to a filter screen (19), and the storage tank (1) is fixedly connected to a plurality of immersion germicidal lamps (21), which are used to disinfect bacteria in the nutrient solution.

6. The multifunctional three-dimensional cultivation system according to claim 1, characterized in that: A number of planting lights (17) are installed at the bottom of the mounting plate (605), and the spray pipe (11) is fixedly connected to the bottom of the mounting plate (605).