Modularized container-based intelligent control hydroponic forage system

By integrating multiple systems to optimize the forage growth environment through modular container design and intelligent control system, the problems of low output and insufficient intelligence of hydroponic forage equipment have been solved, and efficient and stable forage production has been achieved.

CN121587205APending Publication Date: 2026-03-03TAIZHOU XINGXIN INTELLIGENT AGRICULTURAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202511392162.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-26
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing hydroponic forage equipment suffers from low yield per unit area, insufficient space utilization, low level of intelligence, lack of real-time feedback and optimization control capabilities, and insufficient production efficiency and stability.

Method used

It adopts a modular container design, integrating a racking system, ventilation system, irrigation system, lighting system and intelligent control system. Combined with temperature and humidity sensors, CO2 concentration sensors and cameras, it can achieve dynamic optimization and automatic control of environmental parameters.

Benefits of technology

It significantly improved forage yield and quality, reduced labor costs and resource consumption, enhanced space utilization and operational efficiency, and ensured the stability and high efficiency of forage growth.

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Abstract

The invention discloses an intelligent control hydroponic pasture system based on a modular container. The system comprises a container body, a goods shelf system arranged in the container body, a ventilation system, an irrigation system, an illumination system and an intelligent control system. Through modularization of the container, a goods shelf system, a ventilation system, an irrigation system, an illumination system and an intelligent control system are highly integrated, and industrialization, automation and intelligentization of forage grass cultivation are achieved. By means of the multiple layers of tray racks and the through type guide rails of the goods shelf system, workers can complete loading and unloading of trays in the whole area only through single-side operation, and the space utilization rate and the operation efficiency are greatly improved. The ventilation system realizes air circulation through a fan and a ventilation pipeline, and ensures uniform distribution of temperature, humidity and CO2 concentration; the irrigation system accurately controls water and nutrition supply; the illumination system provides the optimal illumination condition through an LED plant growth lamp; and the intelligent control system realizes dynamic optimization of environmental parameters through data acquisition and feedback adjustment.
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Description

Technical Field

[0001] This invention relates to the field of intelligent agricultural equipment, and in particular to an intelligent control hydroponic forage system based on modular containers. Background Technology

[0002] To address the shortage of forage, hydroponics has emerged as a technology that produces forage in a controlled environment without soil, unaffected by seasons, climate, or soil conditions. However, existing hydroponic equipment generally suffers from several technical bottlenecks: First, low yield per unit area, with most fixed planting racks having a simple design and insufficient space utilization, resulting in a daily output of only 500-600 kg per container; second, low level of automation, relying on simple sequential circuit control and lacking real-time feedback and optimization based on crop growth status, leading to insufficient production efficiency and stability. Therefore, developing a high-yield, high-efficiency, adaptable, and highly intelligent industrialized forage production system is of great significance for ensuring my country's feed security and promoting cost reduction, efficiency improvement, and green transformation in animal husbandry. Summary of the Invention

[0003] To address the aforementioned problems, this invention provides a modular container-based intelligent control hydroponic forage system.

[0004] This invention provides a modular container-based intelligent control hydroponic forage system, employing the following technical solution: A modular container-based intelligent control hydroponic forage system includes a container body, a racking system, a ventilation system, an irrigation system, a lighting system, and an intelligent control system housed within the container body. One side of the container body has an openable, airtight door. The racking system includes multi-layered pallet racks distributed along the height of the container body and pallets mounted on the racks. Each pallet rack has guide wheels extending from the airtight door to the closed end on the other side. A connecting portion connects adjacent pallets in the direction from the airtight door to the closed end. The ventilation system includes a fan and ventilation ducts. The irrigation system includes high-pressure fine mist spraying for watering the forage. The lighting system includes LED plant growth lights for supplemental lighting. The intelligent control system includes a data acquisition system and a controller. The data acquisition system collects environmental data from within the container and sends it to the controller, which controls the ventilation, irrigation, and lighting systems.

[0005] Through the aforementioned technical solution, the modular design of the container highly integrates the racking system, ventilation system, irrigation system, lighting system, and intelligent control system, achieving industrialization, automation, and intelligence in forage cultivation. The sealed door design of the container ensures the stability of the internal environment and reduces external interference. The multi-layer pallet racks and through-type guide rail design of the racking system allow workers to complete the loading and unloading of pallets throughout the entire area from only one side, significantly improving space utilization and operational efficiency. The ventilation system achieves air circulation through fans and ventilation ducts, ensuring uniform distribution of temperature, humidity, and CO2 concentration; the irrigation system uses high-pressure fine mist spraying to precisely control water and nutrient supply; the lighting system provides optimal light conditions through LED plant growth lights; and the intelligent control system dynamically optimizes environmental parameters through data acquisition and feedback adjustment. Overall, this system significantly improves forage yield and quality while reducing labor costs and resource consumption.

[0006] As a preferred embodiment of the present invention, the data acquisition system includes a temperature and humidity sensor, a CO2 concentration sensor, and a camera.

[0007] Through the above technical solutions, temperature and humidity sensors monitor the environment inside the enclosure in real time, ensuring that the forage grows within the optimal temperature and humidity range and avoiding growth stunts or diseases caused by environmental fluctuations. A CO2 concentration sensor dynamically detects the CO2 content inside the enclosure; when the concentration falls below a set level, it automatically triggers the ventilation system or CO2 replenishment device to increase the concentration, significantly enhancing photosynthetic efficiency. A camera uses machine vision to analyze the growth status of the forage (such as height, density, and leaf color), providing real-time data support for the intelligent control system, enabling accurate judgment of growth stages and dynamic adjustment of environmental parameters. These three components work together to allow the system to automatically optimize light, temperature, water, and air conditions according to the actual needs of the forage, ensuring high yield and stable quality.

[0008] As a preferred embodiment of the present invention, the pallet rack at the top 2-4 layers in the height direction is a liftable structure.

[0009] The height-adjustable pallet rack design solves the problem of difficult pallet loading and unloading at heights. Workers can easily lower the high-rise pallet rack to a suitable height for operation via a lifting drive mechanism, without the need for ladders or other tools, significantly improving operational safety and efficiency.

[0010] As a preferred embodiment of the present invention, the pallet frame includes a column, the column having multiple layers of mounting blocks along its height, a slide rail fixed on the mounting blocks, and guide wheels distributed on the slide rail; the mounting blocks at the top 2-4 layers are sliding blocks, the sliding blocks being able to slide on the column, and the sliding blocks being driven to slide up and down on the column by a lifting drive mechanism.

[0011] Through the above technical solution, the combined design of the slide rail and guide wheel enables the pallet to move smoothly along the guide rail, and the sliding block slides up and down on the column through the lifting drive mechanism to realize the lifting function of the high-rise pallet rack.

[0012] As a preferred embodiment of the present invention, a limiting mechanism is further provided on the column, the limiting mechanism being used to limit the sliding of the sliding block. The limiting mechanism includes a stop bar, the stop bar being disposed inside the column, and an opening is provided on the side wall of the column for the stop bar to extend out of the side wall of the column. A stop bar driving mechanism for driving the stop bar to extend out of the opening is also provided inside the column.

[0013] Through the above technical solution, the limiting mechanism, in conjunction with the stop bar and the stop bar drive mechanism, achieves precise positioning and fixation of the sliding block on the column. When the sliding block rises or falls to the target position, the stop bar drive mechanism drives the stop bar to extend out of the opening on the side wall of the column, forming a mechanical limit, effectively preventing the sliding block from accidentally sliding down or deviating under load. This significantly improves the safety and stability of the racking system during frequent lifting operations, and is especially suitable for loading and unloading high-rise pallets.

[0014] As a preferred embodiment of the present invention, at least two sets of pallet racks are provided in the width direction of the container body, and the sliding blocks at the same height of the lifting portion of each set of pallet racks are connected by a slider linkage.

[0015] By using the above technical solution, multiple pallet racks are set in the width direction of the container body, and sliding blocks at the same height are connected by a slider linkage, realizing the synchronous lifting and lowering of multiple rows of pallet racks.

[0016] As a preferred embodiment of the present invention, the lifting drive mechanism is a scissor lift mechanism, wherein the two scissors of the scissor lift mechanism are respectively connected to the top of the container body and the uppermost sliding blocks on both sides of the width of the container body; the slide rails on the upper and lower distributed sliding blocks on the pallet frame on the same side are fixedly connected by steel wire ropes.

[0017] Through the aforementioned technical solution, the scissor lift mechanism, with its unique mechanical structure design, achieves a large-stroke lifting function within the limited space inside the container, making it particularly suitable for the height restrictions inside containers. The mechanism's two ends are hinged to the top of the container and the sliding blocks, respectively, and the design of connecting the upper and lower sliding rails via steel wire ropes ensures the synchronous movement of multiple sliding blocks during lifting.

[0018] As a preferred embodiment of the present invention, a slot is provided on the side of the tray near the airtight door, and an insert is provided on the side of the tray away from the airtight door. The slot opening faces downward. When two adjacent trays are connected, the insert is inserted into the slot from the opening of the slot to complete the connection of the two trays.

[0019] The above technical solution involves setting a slot on the side of the pallet closest to the airtight door and an insert on the side furthest from the door, with the slot opening facing downwards. This allows adjacent pallets to be quickly connected by inserting the insert into the slot. Multiple pallets can then be linked together, and workers only need to pull the outermost pallet to move the entire row of pallets, significantly simplifying the loading and unloading process.

[0020] As a preferred embodiment of the present invention, the tray is provided with a grid structure to divide the tray into multiple seed placement spaces.

[0021] Through the above technical solution, the grid structure inside the tray divides the internal space into multiple uniform cells, each capable of holding a fixed number of barley grass seeds. This design ensures uniform seed distribution, avoiding the problems of localized over-density or sparseness caused by traditional broadcasting, resulting in consistent forage growth height and density. The grid structure also enhances the overall strength of the tray, preventing guide rail jamming due to deformation under load.

[0022] As a preferred embodiment of the present invention, it further includes an auxiliary pallet loading and unloading mechanism, which is located at the pallet rack loading area at the sealed door of the container body. The auxiliary pallet loading and unloading mechanism includes a frame and a liftable pallet mounted on the frame.

[0023] The aforementioned technical solution significantly improves the efficiency and convenience of pallet loading and unloading within containers. This mechanism enables automated pallet lifting and precise positioning, allowing workers to easily complete loading and unloading operations on racks of varying heights.

[0024] In summary, the present invention has at least one of the following beneficial technical effects: 1. This invention, through a modular container design, highly integrates a racking system, ventilation system, irrigation system, lighting system, and intelligent control system, achieving industrialization, automation, and intelligence in forage cultivation. The sealed door design of the container ensures the stability of the internal environment and reduces external interference. The multi-layer pallet racks and through-type guide rail design of the racking system allow workers to complete the loading and unloading of pallets across the entire area from only one side, significantly improving space utilization and operational efficiency. The ventilation system achieves air circulation through fans and ventilation ducts, ensuring uniform distribution of temperature, humidity, and CO2 concentration; the irrigation system uses high-pressure fine mist spraying to precisely control water and nutrient supply; the lighting system provides optimal light conditions through LED plant growth lights; and the intelligent control system dynamically optimizes environmental parameters through data acquisition and feedback adjustment. Overall, this system significantly improves forage yield and quality while reducing labor costs and resource consumption.

[0025] 2. The adjustable pallet rack design solves the problem of difficult pallet loading and unloading at high altitudes. The lifting mechanism allows workers to easily lower the pallet rack to a suitable height for operation without the need for ladders or other tools, significantly improving operational safety and efficiency.

[0026] 3. This invention significantly improves the efficiency and convenience of pallet loading and unloading within containers by combining a pallet structure with an auxiliary pallet loading and unloading mechanism. This mechanism enables automated pallet lifting and precise positioning, allowing workers to easily complete loading and unloading operations on racks of different heights. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of the modular container-based intelligent control hydroponic forage system according to Embodiment 1 of the present invention.

[0028] Figure 2 This is a front structural diagram of the tray, illustrating the invention.

[0029] Figure 3 This is a schematic diagram illustrating the connection between trays in this invention.

[0030] Figure 4 This is the present invention. Figure 3 Enlarged view of part A.

[0031] Figure 5 This is a schematic diagram of the structure of Embodiment 2 of the present invention.

[0032] Figure 6 This is a schematic diagram of the limiting mechanism in Embodiment 2 of the present invention.

[0033] Figure 7 This is a schematic diagram of the structure of Embodiment 3 of the present invention.

[0034] Figure 8 This is a schematic diagram of the auxiliary pallet loading and unloading mechanism in Embodiment 3 of the present invention.

[0035] Explanation of reference numerals in the attached drawings: 1. Container body; 2. Pallet; 3. Guide wheel; 4. Lifting drive mechanism; 5. Column; 6. Slide rail; 7. Sliding block; 8. Limiting mechanism; 9. Auxiliary pallet loading and unloading mechanism; 10. Sliding block connecting rod; 11. Steel wire rope; 12. Ventilation duct; 13. Fixing block; 21. Slot; 22. Insert block; 23. Grid structure; 41. Lifting motor; 42. Lifting screw; 43. Lifting nut seat; 44. Moving connecting rod; 45. Guide rod; 46. Shaft; 47. Slide groove; 48. Scissor fork; 81. Stop bar; 82. Stop bar drive motor; 83. Stop bar drive screw; 84. Stop bar slider; 85. Conical part; 86. Spring; 91. Frame; 92. Pallet; 93. Linear motor; 94. Support guide rail; 95. Sliding rod; 96. Foot pedal; 97. Limiting plate. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-8 The present invention will be described in further detail below.

[0037] Example 1: Reference Figure 1 guide Figure 4 This embodiment discloses a modular container-based intelligent control hydroponic forage system, including a container body 1, and a shelving system, ventilation system, irrigation system, lighting system, and intelligent control system installed inside the container body 1. The container body 1 is internally equipped with an insulation layer, a moisture-proof layer, and an anti-corrosion coating. A sealed door is opened on one side of the container body 1 (not shown in the figure; the opening of the container body 1 in the figure represents one side of the sealed door) for personnel access and maintenance.

[0038] The racking system includes multi-layer pallet racks distributed along the height of the container body 1 and pallets 2 mounted on the pallet racks. Each pallet rack has guide wheels 3 extending from the sealed door to the other closed end. In this embodiment, the pallet racks have the following structure: four rows of uprights 5 are distributed laterally (in the width direction) inside the container body 1. Each row of uprights 5 has four vertical uprights 5 distributed along the length direction of the container body 1. Each upright 5 is fixedly connected to the top and bottom of the container body 1. Six mounting blocks (fixing blocks 13) are evenly fixed along the height direction of each upright 5. Slide rails 6 are fixed to the fixing blocks 13 at the same height of the four uprights in each row, and guide wheels 3 are evenly distributed on each slide rail 6. Thus, a pallet rack with six rows (vertical direction) and three columns (width direction) is formed between two adjacent uprights 5 laterally in the container body 1, with each pallet rack extending from the sealed door to the closed end.

[0039] Each tray rack can be used to place tray 2, see reference. Figures 2 to 4 In this embodiment, the tray is a rectangular structure. A grid structure 23 is provided inside the tray 2 to divide the interior of the tray 2 into multiple spaces. Each space is used to place pasture seeds, such as barley grass seeds. A connecting part is provided between two adjacent trays 2 in the direction from the sealed door to the closed end to connect the two adjacent trays 2.

[0040] In this embodiment, a slot 21 is provided on the side of the tray 2 near the sealed door, and an insert 22 is provided on the side of the tray 2 away from the sealed door. The slot 21 has its opening facing downwards. After the tray 2 is filled with seeds, the tray 2 is moved from the tray rack at the opening of the sealed door towards the closed end until the tray rack is filled. When setting up the tray 2, the second tray 2 is connected to the first tray 2 through the slot 21 and the insert 22. Specifically, the insert 22 on the second tray 2 is inserted into the slot 21 on the first tray 2 to complete the connection between the two trays 2. When a tray rack is filled with trays 2, all the trays 2 on the tray rack are connected together, making it easy to remove the trays located deep inside the container body 1 (away from the sealed door). When removing the tray 2, simply pull the tray 2 near the sealed door outwards to pull out all the trays 2 on the tray rack. This method allows the tray racks to be arranged very compactly inside the container body 1, thereby accommodating more trays 2 and cultivating more forage.

[0041] The intelligent control system is the "brain" of the entire system. It does not merely passively receive data and control equipment, but actively creates the best environment for pasture growth through a complex set of decision-making algorithms.

[0042] It includes a core controller, which uses a high-performance industrial PLC or a dedicated agricultural IoT gateway. It has powerful data processing capabilities and multiple I / O control interfaces, and can process all sensor data and drive all actuators simultaneously.

[0043] The data acquisition system includes temperature and humidity sensors, CO2 concentration sensors, and cameras. The temperature and humidity sensors are evenly distributed in different areas of the upper, middle, and lower parts of the container body 1 to monitor the ambient temperature and humidity in real time and prevent the formation of local hot spots or areas with excessively high humidity.

[0044] The CO2 concentration sensor monitors the CO2 content inside the chamber. When the CO2 concentration is below a set threshold (e.g., 800 ppm), the system can control the ventilation system to perform intermittent ventilation or activate the CO2 supplementation device to raise the concentration to the optimal photosynthetic range (1000-1500 ppm), significantly promoting pasture growth.

[0045] The camera is used to capture images for machine vision analysis. By periodically capturing images of pasture, AI algorithms can analyze growth indicators such as average height, leaf color (greenness), and density, thereby intelligently determining the growth stage and health status, and providing visual basis for adjusting light, water, and air strategies.

[0046] The controller has pre-set or AI-learned optimal models of "light-temperature-water-air" for different growth stages (germination, rapid growth, and maturity). The system dynamically adjusts the parameters of each subsystem based on data from vision and sensors to achieve adaptive optimization.

[0047] The ventilation system plays a crucial role in regulating temperature and humidity and maintaining a balanced environment. It includes an intake fan, an exhaust fan, an internal circulation fan, an air filter, and ventilation ducts 12 distributed throughout the enclosure.

[0048] When the temperature sensor detects that the internal temperature exceeds the set value (e.g., 26°C), the system starts the exhaust fan to expel the hot air while simultaneously drawing in cooler outside air for cooling. If the outside temperature is too high, the air conditioning system will be activated first.

[0049] When the humidity is too high, turn on the exhaust fan to dehumidify; when the humidity is too low, the ventilation system can be turned off temporarily, or the humidity can be increased by combining it with the fine mist spray of the irrigation system.

[0050] At night or when it is necessary to increase the CO2 concentration, the system will close the fresh air inlet and only start the internal circulation fan to distribute the air in the chamber evenly and release CO2 at the same time to avoid gas waste.

[0051] Even if all parameters are normal, the system will periodically start the internal circulation fan to break up the air stratification inside the box, ensuring that the hay in each layer can enjoy uniform temperature, humidity and gas concentration.

[0052] The irrigation system is responsible for the precise supply of water and nutrients and is the core of achieving efficient hydroponics. It includes a nutrient solution mixing tank, a high-pressure water pump, a water quality sensor (pH / EC), solenoid valves, pipes, and high-pressure fine mist nozzles (not shown in the diagram).

[0053] The system performs short, intermittent spraying multiple times a day according to a preset program (e.g., spraying for 30 seconds and stopping for 10 minutes), which can both keep the seeds moist to promote germination and prevent the roots from becoming too wet and rotting.

[0054] The water quality sensor monitors the EC value (conductivity, reflecting nutrient concentration) and pH value (acidity / alkalinity) of the nutrient solution in real time. When the EC value is too low, the system automatically starts the fertilizer pump to add mother liquor to the tank; when the pH value deviates from the optimal range (5.5-6.5), it automatically adds acid or alkali solution to correct the pH, ensuring that the nutrient solution is always in optimal condition.

[0055] When the camera detects slight wilting of leaves or a slowdown in growth, it can trigger the system to increase the frequency or duration of irrigation.

[0056] The lighting system provides energy for photosynthesis and is key to shortening the growth cycle. Full-spectrum LED plant grow lights are used, and the light panels are preferably individually controllable in groups.

[0057] The system operates according to a preset light cycle (e.g., 18 hours of light / 6 hours of darkness during the germination period, and 16 hours of light / 8 hours of darkness during the growth period) to simulate the most suitable day-night rhythm.

[0058] At different growth stages, the system can adjust the spectral ratio of LEDs (e.g., increasing blue light during the growth period to promote robust plant growth, and increasing red light during the maturity period to promote biomass accumulation) and light intensity.

[0059] When the camera detects that the pasture in a certain area has reached harvest height (to the point of being dense and shading the light), the light intensity of the lower layer in that area can be appropriately reduced to decrease energy consumption.

[0060] The modular container-based intelligent control hydroponic forage system in this embodiment employs the following method during forage training: First, place the seeds on tray 2 and put tray 2 into the tray rack from one side of the sealed door end; when placing tray 2, connect the next tray 2 to the previous tray 2 through the connecting part (slot 21 and insert 22) and move it step by step towards the closed end of the container body 1 until all the trays 2 that need to be cultivated are placed. Next, the airtight door on container 1 is closed, and the intelligent control system collects environmental data inside container 1 to control the ventilation system, irrigation system, and lighting system to carry out forage cultivation. Finally, once the forage cultivation is complete, open the sealed door on container 1, remove pallet 2 from the pallet rack, pull pallet 2 toward the sealed door while removing pallet 2, and disassemble and connect pallets 2 one by one.

[0061] Example 2 Reference Figure 5 and Figure 6 In this embodiment, everything else is the same as in embodiment 1. The difference is that, in order to facilitate the placement and retrieval of pallets 2, the pallet rack at the top three layers in the height direction is a liftable structure. This allows the pallet rack at higher levels to be lowered, making it easier to place and retrieve pallets 2.

[0062] In this embodiment, the uppermost three-layer mounting blocks of the column 5 along the height direction are sliding blocks 7. The sliding blocks 7 can slide on the column 5, and the sliding blocks 7 are driven to slide up and down on the column 5 by the lifting drive mechanism 4.

[0063] In this embodiment, three sets of pallet racks are arranged in the width direction of the container body 1, and the sliding blocks 7 at the same height of the lifting part of each set of pallet racks are connected by a slider connecting rod 10.

[0064] In this embodiment, the lifting drive mechanism 4 adopts a scissor lift mechanism, which is provided with two scissor forks 48, which are respectively located at the leftmost and rightmost ends of the container body 1 in the width direction. The two scissor forks 48 are respectively connected to the top of the container body 1 and the uppermost sliding blocks 7 on both sides of the width of the container body 1. Taking one of the scissor forks 48 as an example, one end of the scissor fork 48 is hinged to the top of the container body 1 and the topmost sliding block 7, and the other end of the scissor fork 48 is respectively located in two sliding grooves 47 and can slide in the sliding grooves 47. One sliding groove 47 is fixedly connected to the uppermost sliding block 7 on that side, and the other sliding groove 47 is fixedly connected to the top of the container body 1. The scissor fork 48 in the sliding groove 47 fixedly connected to the top of the container body 1 is also connected to a moving link 46 through a shaft 46. The movement of the moving link 46 can drive the scissor fork 48 to move along the sliding groove 47, thereby driving the topmost sliding block 7 to move up and down on the column 5.

[0065] A lifting motor 41 is fixed to the top of the container body 1. The lifting motor 41 is connected to a lifting nut seat 43 via a lifting screw 42. The lifting nut seat 43 is mounted on a moving link 46, which is also connected to the top of the container body 1 via a guide rod 45. The rotation of the lifting motor 41 drives the lifting screw 42 to rotate, which in turn moves the moving link 46. The movement of the moving link 46 then moves the scissor fork 48 along the slide groove 47, thereby causing the topmost sliding block 7 to move up and down on the column 5. In this embodiment, the slide rails 6 on the vertically distributed sliding blocks 7 on the pallet rack on the same side are fixedly connected by steel wire ropes 11. Thus, by moving the topmost sliding block 7 up and down on the column 5, the sliding blocks 7 of the other two layers can move on the column 5, thereby achieving the lifting and lowering of the top three layers of the pallet rack.

[0066] To ensure the stability of the uppermost sliding block 7 on the column 5, a limiting mechanism 8 is provided on the column 5. This limiting mechanism 8 restricts the sliding of the uppermost sliding block 7 when it is raised to its position, preventing it from slipping off the column 5. In this embodiment, the limiting mechanism includes a stop bar 81, which is mounted inside the column 5 by a spring 86. An opening 51 is provided on the side wall of the column 5 for the stop bar 81 to extend out of the side wall. A stop bar drive mechanism is also provided inside the column 5 to drive the stop bar 81 out of the opening 51. When there is no external force, the stop bar 81 retracts inside the column 5 under the action of the spring 86, allowing the sliding block 7 to move up and down on the column 5. Under the action of the stop bar drive mechanism, the stop bar 81 extends out of the opening 51 on the column 5, limiting the sliding block 7.

[0067] In this embodiment, four stop levers 81 are provided. When the stop levers 81 are extended, they are distributed on the four sides of the column 5. The stop lever driving mechanism includes a stop lever driving motor 82, a stop lever driving screw 83, and a stop lever slider 84. The stop lever driving motor 82 is connected to the stop lever slider 84 through the stop lever driving screw 83. The movement of the stop lever driving motor 82 can drive the stop lever slider 84 to move inside the column 5. One end of the stop lever slider 84 is connected to the stop lever driving screw 83, and the other end is provided with a tapered part 85. The movement of the stop lever slider 84 can drive the tapered part 85 to contact the stop lever 81, thereby pushing the stop lever 81 out of the column 5 for limiting.

[0068] In this embodiment, a modular container-based intelligent control hydroponic forage system can lower the top three pallet racks when setting up pallets 2 using a lifting motor 41. Pallets can be set up starting from the top pallet rack. Then, the lifting motor 41 gradually raises the pallet racks to set up pallets on the second pallet rack, and then gradually raises them to set up pallets 2 on the third pallet rack. Finally, the lifting motor 41 raises the entire pallet rack into place, and the stop lever drive motor 82 actuates, extending the stop lever 81 beyond the column 5 to limit the position of the pallet rack.

[0069] After the forage cultivation is completed, the top three pallet racks are gradually lowered by the lifting motor 41. Pallet 2 is taken from the third pallet rack, and then the rack is lowered gradually to take pallet 2 from the second pallet rack. Finally, pallet 2 is taken from the top pallet rack.

[0070] Example 3 Reference Figure 7 and Figure 8 In this embodiment, everything else is the same as in Embodiment 1. The difference is that, to further facilitate the placement and retrieval of pallets 2, this embodiment also includes an auxiliary pallet loading and unloading mechanism 9. This mechanism 9 is located at the pallet rack loading area at the sealed door of the container body 1. The auxiliary pallet loading and unloading mechanism 9 includes a frame 91, a pallet 92 connected to the frame 91 via a linear motor 93, and a support rail 94 between the pallet 92 and the frame 91. The linear motor 93 can drive the pallet 92 to rise and fall. A foot pedal is also provided on the frame 91, allowing the linear motor 93 to be controlled by stepping on the foot pedal. A sliding rod 95, extending along the width direction, is also provided at the sealed door of the container body 1. The frame 91 can slide along the sliding rod 95 to various pallet racks in a lateral position to load and unload pallets 2.

[0071] When placing pallet 2 on the pallet rack, place pallet 2 on pallet plate 92. Gradually raise pallet plate 92 during the process of placing pallet 2 into the pallet rack so that pallet 2 is at a suitable height, making it easier for workers to place pallet 2.

[0072] After the forage has been cultivated, when collecting pallets 2, pull pallets 2 out of the pallet frame. A limit plate 97 is set at one end of the pallet 92. When the pallet 2 is pulled to the position of the limit plate 97, step on the foot pedal 96. The pallet 2 will drop a set distance, and the two pallets 2 will automatically separate, which greatly improves the speed and efficiency of collecting pallets 2.

[0073] The above are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A modular container-based intelligent control hydroponic forage system, characterized in that: The system includes a container body (1), a racking system, a ventilation system, an irrigation system, a lighting system, and an intelligent control system installed inside the container body (1); one side of the container body (1) is provided with an openable airtight door; the racking system includes multi-layer pallet racks distributed along the height direction of the container body (1) and pallets (2) installed on the pallet racks, each pallet rack is provided with guide wheels (3) from the airtight door to the closed end on the other side, and a connecting part is provided between two adjacent pallets (2) in the direction from the airtight door to the closed end to connect the two adjacent pallets (2); the ventilation system includes a fan and a ventilation duct (12); the irrigation system includes a high-pressure fine mist spray for spray irrigation of pasture; the lighting system includes LED plant growth lights for supplemental lighting for plant growth; the intelligent control system includes a data acquisition system and a controller, the data system is used to collect environmental data inside the container and send it to the controller, and the controller is used to control the ventilation system, irrigation system, and lighting system.

2. The modular container-based intelligent control hydroponic forage system according to claim 1, characterized in that: The data acquisition system includes a temperature and humidity sensor, a CO2 concentration sensor, and a camera.

3. The modular container-based intelligent control hydroponic forage system according to claim 2, characterized in that: The pallet racks at the top 2-4 layers in the height direction are height-adjustable structures.

4. The modular container-based intelligent control hydroponic forage system according to claim 3, characterized in that: The pallet frame includes a column (5), which has multiple mounting blocks arranged along its height. A slide rail (6) is fixed on the mounting block, and guide wheels (3) are distributed on the slide rail (6). The mounting blocks at the top 2-4 layers are sliding blocks (7), which can slide on the column (5). The sliding blocks (7) are driven to slide up and down on the column (5) by a lifting drive mechanism (4).

5. The modular container-based intelligent control hydroponic forage system according to claim 4, characterized in that: A limiting mechanism (8) is also provided on the column (5). The limiting mechanism (8) is used to limit the sliding of the sliding block (7). The limiting mechanism includes a stop bar (81). The stop bar (81) is provided inside the column (5). An opening (51) is provided on the side wall of the column (5) for the stop bar (81) to extend out of the side wall of the column. A stop bar driving mechanism is also provided inside the column (5) to drive the stop bar (81) to extend out of the opening (51).

6. The modular container-based intelligent control hydroponic forage system according to claim 4, characterized in that: At least two sets of pallet racks are provided in the width direction of the container body (1), and the sliding blocks (7) at the same height of the lifting part of each set of pallet racks are connected by a slider link (10).

7. The modular container-based intelligent control hydroponic forage system according to claim 6, characterized in that: The lifting drive mechanism (4) adopts a scissor lifting mechanism. The two scissors of the scissor lifting mechanism are respectively connected to the top of the container body (1) and the uppermost sliding blocks (7) on both sides of the width of the container body (1). The slide rails (6) on the upper and lower sliding blocks (7) on the pallet frame on the same side are fixedly connected by steel wire ropes (11).

8. The modular container-based intelligent control hydroponic forage system according to claim 1, characterized in that: The tray (2) has a slot (21) on the side near the airtight door and an insert (22) on the side away from the airtight door. The slot (21) is open downwards. When two adjacent trays (2) are connected, the insert (22) is inserted into the slot (21) from the opening of the slot (21) to complete the connection of the two trays (2).

9. The modular container-based intelligent control hydroponic forage system according to claim 1, characterized in that: The tray (2) is provided with a grid structure (23) to divide the tray (2) into multiple seed placement spaces.

10. The modular container-based intelligent control hydroponic forage system according to claim 1, characterized in that, It also includes an auxiliary loading and unloading pallet mechanism (9), which is located at the pallet rack loading point at the sealed door of the container body (1). The auxiliary loading and unloading pallet mechanism includes a frame (91) and a liftable pallet (92) mounted on the frame (91).