Plant factory-based efficient digital intelligent agricultural precise environment control system
By designing an efficient digital and intelligent agricultural precision environmental control system in the plant factory system, the problem of insufficient adaptability and flexibility in the existing technology is solved, precise management of different crops and growth stages is achieved, and system efficiency and accuracy are improved.
Patent Information
- Application Number
- CN202411790120.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-04-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing intelligent decision-making system still needs to be improved in terms of adaptability and flexibility, and it is difficult to meet the needs of different crops and different growth stages, which limits the further optimization and wide application of plant plant systems.
A highly efficient digital and intelligent agricultural precision environmental control system based on plant plants is designed, including system startup and initialization modules, solar energy collection and CO2 conversion modules, environmental parameter monitoring and regulation modules, irrigation and fertilization management modules, data recording and analysis optimization modules, and comprehensive monitoring and management of the system is achieved through the collaborative work of these modules.
By optimizing and improving the performance and functionality of these modules, the efficiency and accuracy of the system is improved, providing a more scientific and reliable solution for agricultural production and environmental monitoring, meeting the needs of different crops and growth stages.
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Figure CN119882895A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of optimization control technology, and in particular to an efficient digital agricultural precision environment control system based on a plant factory. Background Art
[0002] With the growth of global population and the increasing shortage of resources, traditional agriculture is facing problems such as low production efficiency, high resource consumption and environmental pollution. Therefore, modern agriculture urgently needs an efficient, intelligent and sustainable production method to improve agricultural production efficiency, reduce resource consumption and reduce environmental pollution. As a modern agricultural production method, plant factories have become one of the effective ways to solve the above problems by simulating the best environment for plant growth and realizing the continuous production of crops throughout the year.
[0003] However, there are still some problems in the existing technology, which limit the further optimization and wide application of the system. The intelligent decision-making system in the existing technology needs to be dynamically adjusted according to factors such as the growth cycle of crops and changes in the external environment. However, some current intelligent decision-making systems still need to be improved in terms of adaptability and flexibility, and it is difficult to meet the needs of different crops and different growth stages.
[0004] Therefore, the present invention proposes an efficient digital agricultural precision environment control system based on a plant factory. Summary of the invention
[0005] The present invention provides an efficient digital agricultural precision environment control system based on a plant factory, which can realize the automatic control of the plant factory environment through the system startup and initialization module, solar energy collection and CO 2 The conversion module, environmental parameter monitoring and control module, irrigation and fertilization management module, and data recording and analysis optimization module together constitute an efficient and intelligent integrated system. They cooperate and coordinate with each other to achieve comprehensive monitoring and management of the system. By continuously optimizing and improving the performance and functions of these modules, the efficiency and accuracy of the system can be further improved, providing more scientific and reliable solutions for agricultural production, environmental monitoring and other fields.
[0006] On the one hand, the present invention provides an efficient digital agricultural precision environment control system based on a plant factory, comprising:
[0007] System startup and initialization module: After turning on the power, the device will be self-checked, and after confirmation, it will be connected to the monitoring and alarm test will be carried out;
[0008] Solar energy collection and CO 2 Conversion module: collects solar energy and converts it into electrical energy, which is then used to drive CO 2 Convert CO 2 The converted products are stored and then supplied as needed.2 ;
[0009] Environmental parameter monitoring and control module: monitors and controls the key parameters of the system's environment, collects data in real time through sensors, and controls according to preset thresholds or algorithms to maintain the stability and optimization of environmental parameters;
[0010] Irrigation and fertilization management module: Carry out precise irrigation and fertilization management according to crop growth requirements and soil conditions. Through intelligent sensors and algorithms, it monitors soil moisture, nutrient content and other parameters in real time, and formulates irrigation and fertilization plans based on these data.
[0011] Data recording and analysis optimization module: records and analyzes all data generated during the operation of the system, including environmental parameters, irrigation and fertilization records, yield and quality data. Through data analysis, potential problems and optimization points are discovered, and corresponding improvement measures are proposed.
[0012] On the other hand, the system startup and initialization module includes:
[0013] Power control unit: Turn on the main power switch of the plant factory to ensure that all equipment is powered on;
[0014] Start the monitoring system: Start the central monitoring system to monitor various environmental parameters in the plant factory in real time;
[0015] Initialization settings: According to the growth requirements of crops and the preset control strategy, the digital environmental control system and CO 2 The conversion equipment is initialized and the alarm function of the system is tested by simulating faults.
[0016] On the other hand, the solar energy collection and CO 2 Conversion modules, including:
[0017] Solar energy collection unit: Solar photovoltaic panels start collecting solar energy and converting it into electrical energy;
[0018] CO 2 Conversion unit: Using the converted electrical energy, the carbon dioxide membrane separation technology and carbon dioxide electrocatalytic conversion technology are combined to efficiently separate carbon dioxide from the gas mixture and drive CO 2 The conversion equipment starts working, converting CO 2 Converted into carbon-based organic matter or alcohol-like substances;
[0019] Storage and supply unit: The converted carbon-based organic matter is stored for plant culture solution preparation, and the remaining part is stored according to the CO 2 Concentration requirements, timely supply of CO to the plant factory 2 .
[0020] In another aspect, the solar energy collection unit comprises:
[0021] Solar energy collection efficiency calculation unit: obtain the collector area, collector tilt angle, collector direction, solar radiation time, and solar radiation power, and obtain the solar energy collection efficiency as follows:
[0022]
[0023] A is the area of the collector; θ is the tilt angle of the collector; φ is the orientation of the collector; t is time; Psolar is the solar radiation power, the solar radiation energy per unit area; η 0 is the base efficiency of the collector, f(θ) is the tilt angle correction factor, and f(φ) is the orientation correction factor; η loss is the efficiency reduction factor caused by factors such as heat loss; k is the collection volume correction coefficient;
[0024] Solar energy conversion unit: collects solar energy and converts the collected solar energy into electrical energy. The electrical energy obtained is:
[0025] E e =η×E s
[0026] Among them, E e is the converted electrical energy, E s The collected solar energy.
[0027] On the other hand, the CO 2 Conversion unit, comprising:
[0028] Capture and separation unit: uses carbon dioxide membrane separation technology to capture and separate carbon dioxide from the gas mixture;
[0029] Electrocatalytic conversion unit: the separated carbon dioxide is fed into an electrocatalytic reactor for electrocatalytic conversion on the electrode surface;
[0030] Product collection and utilization unit: collects and purifies the products after electrocatalytic conversion.
[0031] On the other hand, the storage and supply unit comprises:
[0032] Energy balance model unit: obtains system total efficiency, system input energy, system output energy, and system internal energy loss to obtain an energy balance model, and calibrates the energy balance model according to historical data;
[0033] Energy balance calculation unit: The converted products are stored and calculated based on the CO 2 Concentration requirements, timely supply of CO to the plant factory 2The process can be expressed by the following dynamic equilibrium formula:
[0034]
[0035] in:
[0036] is the mass change rate of stored organic matter or hydrocarbons; C is the CO in the plant factory 2 concentration; V is the volume of the plant factory; M 1 is the mass of the product after transformation; M 2 It is CO 2 The molar mass of It is the CO in the plant factory 2 The rate of change of concentration.
[0037] On the other hand, the environmental parameter monitoring and control module includes:
[0038] Monitoring unit: Real-time monitoring of temperature, humidity, light intensity, CO 2 Concentration environmental parameters; equipped with video surveillance, smoke sensors, temperature alarm systems and other equipment to monitor the safety status of the plant factory in real time; once an abnormal situation is found, the emergency response mechanism will be immediately activated;
[0039] Data analysis unit: transmits monitoring data to the intelligent control system in real time for data analysis and processing; uses Internet of Things technology to monitor the occurrence of pests and diseases in real time, and takes physical or biological control measures for prevention and control;
[0040] Intelligent control unit: Based on data analysis results and preset control strategies, the intelligent control system automatically adjusts the lighting system, heating system, humidification system, and ventilation system equipment in the plant factory to ensure that environmental conditions meet the growth needs of crops.
[0041] On the other hand, the environmental parameter monitoring and control module also includes:
[0042] Sensing unit: Use high-precision sensors to monitor the ambient temperature, humidity, light intensity, culture solution composition and pH value in real time;
[0043] Wireless transmission unit: Send the data collected by the sensor to the data center through wireless transmission technology to achieve remote monitoring and management of the data;
[0044] Data analysis unit: Analyze and process the data collected by sensors, establish mathematical models, and predict the changing trends of crop growth environment;
[0045] Automatic control unit: Based on the data analysis results, the intelligent controller is used to automatically adjust environmental parameters, set the appropriate parameter range, and realize automatic control.
[0046] On the other hand, the irrigation and fertilization management module includes:
[0047] Irrigation control unit: Based on the crop growth stage and data fed back by the soil moisture sensor, the intelligent control system automatically adjusts the water volume and frequency of the irrigation system to meet the water requirements of the crops;
[0048] Fertilization management unit: Add nutrient solution according to the fertilizer plan, use sensors to detect the concentration of nutrient solution, maintain a reasonable level, discharge residues regularly, and keep the system clean.
[0049] On the other hand, the data recording and analysis optimization module includes:
[0050] Data recording unit: records various environmental parameters and growth data, such as temperature, humidity, light intensity, CO 2 concentration, plant height, number of leaves;
[0051] Data Analysis Unit: Use big data analysis and artificial intelligence technology to mine and analyze production data to identify crop growth trends and key influencing factors;
[0052] Optimization strategy unit: Based on the data analysis results, optimize environmental control strategies, irrigation and fertilization plans, etc. to improve crop yield and quality.
[0053] Compared with the prior art, the present invention has the following beneficial effects:
[0054] The present invention provides an efficient digital agricultural precision environment control system based on a plant factory, which can realize the automatic control of the plant factory environment through the system startup and initialization module, solar energy collection and CO 2 The conversion module, environmental parameter monitoring and control module, irrigation and fertilization management module, and data recording and analysis optimization module together constitute an efficient and intelligent integrated system. They cooperate and coordinate with each other to achieve comprehensive monitoring and management of the system. By continuously optimizing and improving the performance and functions of these modules, the efficiency and accuracy of the system can be further improved, providing more scientific and reliable solutions for agricultural production, environmental monitoring and other fields. BRIEF DESCRIPTION OF THE DRAWINGS
[0055] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0056] Figure 1It is a structural schematic diagram of an efficient digital agricultural precision environment control system based on a plant factory provided by an embodiment of the present invention. DETAILED DESCRIPTION
[0057] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0058] Embodiment 1:
[0059] like Figure 1 As shown, an embodiment of the present invention provides an efficient digital agricultural precision environment control system based on a plant factory, including:
[0060] System startup and initialization module: After turning on the power, the device will be self-checked, and after confirmation, it will be connected to the monitoring and alarm test will be carried out;
[0061] Solar energy collection and CO 2 Conversion module: collects solar energy and converts it into electrical energy, which is then used to drive CO 2 Convert CO 2 The alcohol and acid products obtained from the conversion are stored for the preparation of plant culture solution, and the remaining part is used to supply CO according to the needs of the plant factory environment. 2 ;
[0062] Environmental parameter monitoring and control module: monitors and controls the key parameters of the system's environment, collects data in real time through sensors, and controls according to preset thresholds or algorithms to maintain the stability and optimization of environmental parameters;
[0063] Irrigation and fertilization management module: Carry out precise irrigation and fertilization management according to crop growth requirements and soil conditions. Through intelligent sensors and algorithms, it monitors soil moisture, nutrient content and other parameters in real time, and formulates irrigation and fertilization plans based on these data.
[0064] Data recording and analysis optimization module: records and analyzes all data generated during the operation of the system, including environmental parameters, irrigation and fertilization records, yield and quality data. Through data analysis, potential problems and optimization points are discovered, and corresponding improvement measures are proposed.
[0065] In this embodiment, the device self-check is performed automatically when the system starts, to ensure that all hardware devices (such as sensors, controllers, actuators, etc.) are in normal working condition, thereby avoiding the impact of failure or damage on the overall operation of the system.
[0066] In this embodiment, access monitoring means that after the self-check is completed, the system will access the monitoring network to track and record the system status in real time. This helps to find and solve potential problems in time and ensure the stable operation of the system.
[0067] In this embodiment, the alarm test is performed during the system initialization phase, and the module will also perform an alarm test to ensure that the alarm system can accurately and promptly sound an alarm when an abnormal situation occurs. This helps reduce the risk of accidents and ensure the safety of personnel and equipment.
[0068] In this embodiment, the energy supply is that the module collects solar energy and converts it into electrical energy to provide green and sustainable energy for the entire system, which helps to reduce dependence on traditional energy, reduce carbon emissions, and achieve the goal of environmental protection and energy saving.
[0069] In this embodiment, CO 2 The conversion is to use electricity to drive CO 2 Conversion equipment to convert atmospheric CO 2 Converted into valuable products (such as organic matter, fuel, etc.). This can not only reduce CO 2 It also helps to achieve the recycling of resources.
[0070] In this embodiment, the storage and supply is that the product obtained by the conversion will be stored so as to supply CO in the subsequent process as needed. 2 Or for other purposes. This helps to achieve the rational allocation and utilization of resources.
[0071] In this embodiment, real-time monitoring is to collect key parameters of the system environment (such as temperature, humidity, light intensity, etc.) in real time through sensors, and transmit the data to the control system for processing and analysis.
[0072] In this embodiment, intelligent regulation is based on real-time monitored data, and the control system will intelligently adjust environmental parameters to maintain stability and optimization. This helps to provide a good operating environment for the system and improve production efficiency and product quality.
[0073] The working principle and beneficial effect of the above technical solution are: through the system startup and initialization module, solar energy collection and CO 2 The conversion module, environmental parameter monitoring and control module, irrigation and fertilization management module, and data recording and analysis optimization module together constitute an efficient and intelligent integrated system. They cooperate and coordinate with each other to achieve comprehensive monitoring and management of the system. By continuously optimizing and improving the performance and functions of these modules, the efficiency and accuracy of the system can be further improved, providing more scientific and reliable solutions for agricultural production, environmental monitoring and other fields.
[0074] Embodiment 2:
[0075] Based on the above embodiment 1, the system startup and initialization module includes:
[0076] Power control unit: Turn on the main power switch of the plant factory to ensure that all equipment is powered on;
[0077] Start the monitoring system: Start the central monitoring system to monitor various environmental parameters in the plant factory in real time;
[0078] Initialization settings: According to the growth requirements of crops and the preset control strategy, the digital environmental control system and CO 2 The conversion equipment is initialized and the alarm function of the system is tested by simulating faults.
[0079] In this embodiment, the power control unit is to ensure that the main power switch of the plant factory is in the off state, and then safely connect the power. 2 The power switch of key equipment such as conversion equipment, sensor networks, and monitoring systems. After the power is turned on, each device will automatically perform a self-test. This step usually includes hardware status check, software version verification, communication interface test, etc. During the self-test, the device will check whether its internal components are intact, whether the software is running normally, and whether the connection with external devices is stable. If the self-test finds any abnormalities, the device will issue a warning or error message to prompt the operator to troubleshoot the problem.
[0080] In this embodiment, after the equipment self-checks, the central monitoring system is started. Ensure that the connection between the monitoring system and various sensors, actuators and other equipment is normal, and can receive and process environmental parameter data in real time. Configure the interface and alarm rules of the monitoring system so that it can respond quickly when needed.
[0081] In this embodiment, the purpose of performing the alarm test is to verify whether the system can promptly issue an alarm when the equipment fails or the environmental parameters are abnormal. The operator can test the alarm function of the system by simulating a fault (such as disconnecting the sensor, adjusting the environmental parameters to the alarm threshold, etc.). If the system can correctly identify the fault and issue an alarm, the alarm test passes. If the system fails to alarm correctly, it is necessary to check the configuration of the monitoring system and the connection status of the equipment, and make necessary adjustments.
[0082] The working principle and beneficial effects of the above technical solution are: after completing the above steps, the system enters a stable operation state, which provides a basis for subsequent plant factory environmental control and CO 2 This process ensures the security and stability of the system and provides strong support for efficient digital agricultural production.
[0083] Embodiment 3:
[0084] Based on the above embodiment 1, the solar energy collection and CO 2 Conversion modules, including:
[0085] Solar energy collection unit: Solar photovoltaic panels start collecting solar energy and converting it into electrical energy;
[0086] CO 2 Conversion unit: Using the converted electrical energy, the carbon dioxide membrane separation technology and carbon dioxide electrocatalytic conversion technology are combined to efficiently separate carbon dioxide from the gas mixture and drive CO 2 The conversion equipment starts working, converting CO 2 Converted into carbon-based organic matter or alcohol-like substances;
[0087] Storage and supply unit: CO 2 The alcohol and acid products obtained from the conversion are stored for the preparation of plant culture solution, and the remaining part is used to supply CO according to the needs of the plant factory environment. 2 .
[0088] In this embodiment, the solar photovoltaic panel serves as the energy collection front end of this module. It uses efficient photoelectric conversion materials and can directly convert sunlight irradiated on its surface into electrical energy. This process does not require fuel and is a green and sustainable way to obtain energy. Photovoltaic panel design usually considers maximizing the light receiving area, while using materials with strong weather resistance and high conversion efficiency to ensure stable operation under various climatic conditions and provide continuous power support for the entire system.
[0089] In this embodiment, CO 2 The conversion unit receives electrical energy from the solar energy collection unit and uses this electrical energy to drive the internal chemical reaction or electrochemical process to convert the input CO 2 Gas is converted into organic matter (such as sugars, amino acids, etc.) or hydrocarbon substances (such as methanol, ethylene, etc.). These conversion products not only have potential commercial value, but can also serve as a nutrient source for plant growth or an important component of the carbon cycle. The storage and supply unit conversion efficiency and product selectivity reduce the generation of by-products and ensure the efficient use of energy and resources.
[0090] In this embodiment, the storage and supply unit is responsible for storing CO 2 The organic matter or hydrocarbon substances produced by the conversion unit, as well as the real-time monitoring data in the plant factory (such as CO 2 concentration, plant growth rate, etc.), and the intelligent control system accurately controls the addition of CO to the plant factory. 2The timing and amount of the product should be determined. The design of the storage container should take into account the chemical properties of the product to ensure that it will not deteriorate during long-term storage. The intelligent control system relies on sensor networks and algorithm predictions to achieve precise control, which not only meets the needs of plant growth, but also avoids resource waste and environmental pollution.
[0091] The working principle and beneficial effects of the above technical solution are: solar energy collection and CO 2 The conversion module realizes the conversion from solar energy to chemical energy and CO 2 The efficient resource utilization provides strong support for building a low-carbon and sustainable agricultural ecosystem.
[0092] Embodiment 4:
[0093] Based on the above embodiment 3, the solar energy collection unit comprises:
[0094] Solar energy collection efficiency calculation unit: obtain the collector area, collector tilt angle, collector direction, solar radiation time, and solar radiation power, and obtain the solar energy collection efficiency as follows:
[0095]
[0096] A is the area of the collector; θ is the tilt angle of the collector; φ is the orientation of the collector; t is time; Psolar is the solar radiation power, the solar radiation energy per unit area; η 0 is the base efficiency of the collector, f(θ) is the tilt angle correction factor, and f(φ) is the orientation correction factor; η loss is the efficiency reduction factor caused by factors such as heat loss; k is the collection volume correction coefficient;
[0097] Solar energy conversion unit: collects solar energy and converts the collected solar energy into electrical energy. The electrical energy obtained is:
[0098] E e =η×E s
[0099] Among them, E e is the converted electrical energy, E s The collected solar energy.
[0100] In this embodiment, the solar energy collection unit uses specific physical principles to convert the light energy emitted by the sun into electrical energy or thermal energy, providing clean energy for various applications. The basic principle is that solar energy collection is mainly based on the photoelectric effect or the photothermal effect. The photoelectric effect refers to the fact that electrons in semiconductor materials are excited after absorbing light energy under light, forming an electric current. This is the working principle of solar panels. The photothermal effect converts light energy into thermal energy by absorbing sunlight, such as the collector plate in a solar water heater.
[0101] In this embodiment, the area of the collector refers to the effective area of the collector that can receive solar radiation.
[0102] In this embodiment, the inclination angle of the collector refers to the angle between the collector plane and the horizontal plane.
[0103] In this embodiment, the orientation of the collector refers to the direction in which the plane of the collector faces the sun, which is usually expressed as an azimuth (such as south-east, south-west, etc.) or an angle (such as 0° represents due south).
[0104] In this embodiment, time refers to the duration of solar radiation, usually in hours (h) or days (d).
[0105] In this embodiment, the solar radiation energy per unit area refers to the solar radiation energy received by the collector per square meter, usually expressed in watts per square meter (W / m 2 ) as the unit.
[0106] In this embodiment, the reference efficiency of the collector refers to the efficiency of the collector in converting solar radiation energy into heat energy or electrical energy under standard test conditions.
[0107] In this embodiment, the tilt angle correction factor and the orientation correction factor are used to correct the difference in solar radiation received due to different tilt angles and orientations of the collector.
[0108] In this embodiment, the collection amount correction coefficient is used to correct the reduction in the amount of solar radiation received due to various factors (such as dirt, dust, snow accumulation, etc. on the surface of the collector).
[0109] The working principle and beneficial effect of the above technical solution are: by accurately obtaining these parameters, the solar energy collection efficiency can be calculated, providing an important basis for the design and optimization of the solar energy system.
[0110] Embodiment 5:
[0111] Based on the above Example 3, CO 2 Conversion unit, comprising:
[0112] Capture and separation unit: uses carbon dioxide membrane separation technology to capture and separate carbon dioxide from the gas mixture;
[0113] Electrocatalytic conversion unit: the separated carbon dioxide is fed into an electrocatalytic reactor for electrocatalytic conversion on the electrode surface;
[0114] Product collection and utilization unit: collects and purifies the products after electrocatalytic conversion.
[0115] In this embodiment, carbon dioxide membrane separation technology is an efficient, economical and environmentally friendly method for separating carbon dioxide from a gas mixture. This technology is based on the selective permeability of membrane materials. By applying a pressure difference on both sides of the membrane, carbon dioxide molecules are preferentially passed through the membrane, thereby achieving separation from other gases. This technology is based on molecular dynamics theory and solution-diffusion theory. Carbon dioxide molecules can interact specifically with certain membrane materials due to their unique molecular structure and polarity, thereby achieving effective separation. Nanoporous materials, polymer membranes, carbon nanotubes, etc. are used as membrane materials, and the selectivity and permeability to carbon dioxide can be further improved by regulating and controlling their pore size, porosity, surface modification, etc.
[0116] In this embodiment, the carbon dioxide electrocatalytic conversion technology is a technology that uses electrochemical reactions to convert carbon dioxide into useful compounds. The basic principle of this technology is to reduce carbon dioxide to carbon dioxide anions (CO 2 - ), and then react with the reducing agent such as H + , H 2 O, CO, etc. react to form organic compounds. The reaction process includes CO 2 There are three steps: reduction, intermediate formation, and organic compound generation. On the electrode surface, the carbon dioxide molecules are acted upon by electrons and reduced to carbon dioxide anions. These anions can then react with the reducing agent on the electrode surface to form a series of intermediates, such as formate ions (HCOO - ), carbon monoxide (CO), methanol (CH3OH), etc. Ultimately, these intermediates can be further converted into useful organic compounds.
[0117] The working principle and beneficial effect of the above technical solution are: combining carbon dioxide membrane separation technology and carbon dioxide electrocatalytic conversion technology can realize the process of efficiently separating carbon dioxide from gas mixtures and converting it into useful compounds.
[0118] Embodiment 6:
[0119] Based on the above embodiment 1, the storage and supply unit includes:
[0120] Energy balance model unit: obtains system total efficiency, system input energy, system output energy, and system internal energy loss to obtain an energy balance model, and calibrates the energy balance model according to historical data;
[0121] Energy balance calculation unit: The converted products are stored and calculated based on the CO 2 Concentration requirements, timely supply of CO to the plant factory 2 The process can be expressed by the following dynamic equilibrium formula:
[0122]
[0123] in:
[0124] is the mass change rate of stored organic matter or hydrocarbons; C is the CO in the plant factory 2 concentration; V is the volume of the plant factory; M 1 is the mass of the product after transformation; M 2 It is CO 2 The molar mass of It is the CO in the plant factory 2 The rate of change of concentration.
[0125] In this embodiment, the total system efficiency is the ratio of the system output energy to the system input energy, which reflects the overall energy conversion efficiency of the system from input to output.
[0126] In this embodiment, the system input energy refers to all available energy received by the system, and for a solar energy system, this mainly includes solar radiation energy.
[0127] In this embodiment, the system output energy refers to the energy available for use after conversion by the system.
[0128] In this embodiment, the internal energy loss of the system refers to the energy lost due to various factors (such as heat loss, resistance loss, material absorption, etc.) during the energy conversion and transmission process.
[0129] In this embodiment, the mass change rate refers to the increase or decrease in the mass of the stored organic matter or hydrocarbon substance per unit time.
[0130] In this embodiment, CO 2 Concentration refers to the mole fraction or mass fraction of carbon dioxide in the air within the plant factory.
[0131] In this embodiment, the mass of the converted product refers to the mass of the product obtained after conversion through a certain chemical reaction or biological process.
[0132] The working principle and beneficial effects of the above technical solution are: the storage and supply unit can automatically complete the storage and supply tasks of the material, reducing the tediousness and errors of manual operation, and improving the automation level and production efficiency of the production line. Through precise control of the storage and supply process, the system can ensure the stability and quality of the material, thereby ensuring the quality of the downstream equipment products.
[0133] Embodiment 7:
[0134] Based on the above embodiment 1, the environmental parameter monitoring and control module includes:
[0135] Monitoring unit: Real-time monitoring of temperature, humidity, light intensity, CO 2 Concentration environmental parameters; equipped with video surveillance, smoke sensors, temperature alarm systems and other equipment to monitor the safety status of the plant factory in real time; once an abnormal situation is found, the emergency response mechanism will be immediately activated;
[0136] Data analysis unit: transmits monitoring data to the intelligent control system in real time for data analysis and processing; uses Internet of Things technology to monitor the occurrence of pests and diseases in real time, and takes physical or biological control measures for prevention and control;
[0137] Intelligent control unit: Based on data analysis results and preset control strategies, the intelligent control system automatically adjusts the lighting system, heating system, humidification system, and ventilation system equipment in the plant factory to ensure that environmental conditions meet the growth needs of crops.
[0138] In this embodiment, sensors are carefully placed at key locations in the plant factory, which can sense and accurately record changes in environmental parameters in real time. They transmit data to the data analysis unit through electronic signals, providing a reliable basis for subsequent regulation.
[0139] In this embodiment, the monitoring unit is also equipped with video monitoring equipment. These devices can monitor the safety conditions in the plant factory in real time, including the growth status of crops, the operating status of equipment, and potential safety hazards.
[0140] In this embodiment, in order to further improve safety, the monitoring unit is also equipped with a smoke sensor and a temperature alarm system. Once smoke or temperature abnormality is detected, the system will immediately activate the emergency response mechanism, including sounding an alarm, activating the fire extinguishing system, etc., to ensure the safety of the plant factory.
[0141] In this embodiment, the data analysis unit also uses the Internet of Things technology to monitor the occurrence of pests and diseases in real time. By connecting sensors and monitoring equipment in the plant factory, the system can promptly detect signs of pests and diseases and take corresponding physical or biological control measures for prevention and control. This helps to reduce the impact of pests and diseases on crop growth and improve crop yield and quality.
[0142] The working principle and beneficial effects of the above technical solution are as follows: the environmental parameter monitoring and control module realizes real-time monitoring and intelligent control of environmental conditions in the plant factory through the coordinated work of the monitoring unit, data analysis unit and intelligent control unit. This not only improves the growth efficiency and quality of crops, but also reduces energy consumption and costs, providing strong support for the sustainable development of plant factories.
[0143] Embodiment 8:
[0144] Based on the above embodiment 7, the environmental parameter monitoring and control module further includes:
[0145] Sensing unit: Use high-precision sensors to monitor the ambient temperature, humidity, light intensity, culture solution composition and pH value in real time;
[0146] Wireless transmission unit: Send the data collected by the sensor to the data center through wireless transmission technology to achieve remote monitoring and management of the data;
[0147] Data analysis unit: Analyze and process the data collected by sensors, establish mathematical models, and predict the changing trends of crop growth environment;
[0148] Automatic control unit: Based on the data analysis results, the intelligent controller is used to automatically adjust environmental parameters, set the appropriate parameter range, and realize automatic control.
[0149] In this embodiment, high-precision sensors are used to sense and measure the following key information:
[0150] Ambient temperature: Use temperature sensors to monitor the temperature of the culture room or farmland in real time to ensure that crops grow within a suitable temperature range.
[0151] Humidity: Humidity sensors are used to monitor the moisture content in the environment, which is critical for crop transpiration and water management.
[0152] Light Intensity: Light intensity sensors measure the intensity of light reaching the crop surface, helping to optimize lighting conditions and promote photosynthesis.
[0153] Culture solution composition: For hydroponic or aeroponic systems, sensors can monitor the nutrient content of the culture solution to ensure that the crops are getting the nutrients they need.
[0154] PH value: PH sensors are used to monitor the pH value of the culture solution, which is crucial for crop nutrient absorption and growth.
[0155] In this embodiment, the data analysis unit is responsible for processing and analyzing the data collected by the sensor. This is achieved by:
[0156] Data preprocessing: Clean and organize raw data to remove noise and outliers.
[0157] Mathematical modeling: Using statistical methods and machine learning algorithms, mathematical models are established to predict changing trends in the crop growth environment.
[0158] Trend analysis: By analyzing historical data, the changing patterns and trends of environmental parameters can be identified to provide a basis for automatic control.
[0159] The output results of the data analysis unit can provide decision support for the automatic control unit, and can also provide data reports and visual displays for agricultural managers.
[0160] In this embodiment, the automatic control unit automatically adjusts the environmental parameters according to the results of the data analysis unit to achieve automatic control.
[0161] Intelligent controller: PLC (Programmable Logic Controller) or single-chip microcomputer, used to receive control instructions and drive actuators.
[0162] Actuators: such as heating / cooling equipment, humidifiers / dehumidifiers, sunshade nets / fill lights, fertilizer spreaders, etc., used to adjust environmental parameters.
[0163] Feedback mechanism: Real-time monitoring of adjusted environmental parameters through sensors to ensure that the control effect meets expectations.
[0164] The working principle and beneficial effects of the above technical solution are: the sensor unit, wireless transmission unit, data analysis unit and automatic control unit together constitute the core part of the intelligent agricultural system, and they cooperate with each other to realize real-time monitoring, remote monitoring, data analysis and automatic control of the crop growth environment.
[0165] Embodiment 9:
[0166] Based on the above embodiment 1, the irrigation and fertilization management module includes:
[0167] Irrigation control unit: Based on the crop growth stage and data fed back by the soil moisture sensor, the intelligent control system automatically adjusts the water volume and frequency of the irrigation system to meet the water requirements of the crops;
[0168] Fertilization management unit: Add nutrient solution according to the fertilizer plan, use sensors to detect the concentration of nutrient solution, maintain a reasonable level, discharge residues regularly, and keep the system clean.
[0169] In this embodiment, the working principle of the irrigation control unit is based on the coordinated work of the soil moisture sensor and the intelligent control system. The soil moisture sensor monitors the soil moisture in real time, and the intelligent control system analyzes the soil moisture data according to the preset crop growth stage and water demand model, and automatically decides the irrigation parameters. The irrigation system performs irrigation operations according to the instructions of the intelligent control system.
[0170] In this embodiment, the working principle of the fertilization management unit is based on the formulation of fertilizer schemes, the preparation of nutrient solutions, real-time monitoring of concentrations, and automatic adjustment of fertilization equipment. First, a fertilizer scheme is formulated according to the growth requirements of crops and the nutrient status of the soil; then, the nutrient solution is prepared according to the scheme; then, the concentration of the nutrient solution is monitored in real time using sensors; finally, the fertilization operation is performed according to the instructions of the intelligent control system, and the residue is discharged regularly to keep the system clean.
[0171] The working principle and beneficial effects of the above technical solution are as follows: the irrigation and fertilization management module realizes precise control of the crop growth environment through the intelligent control system and automatic adjustment of irrigation and fertilization equipment. This control method not only improves the utilization efficiency of water resources and fertilizers, but also reduces labor intensity and environmental pollution, providing strong support for the sustainable development of agriculture.
[0172] Embodiment 10:
[0173] Based on the above embodiment 1, the data recording and analysis optimization module includes:
[0174] Data recording unit: records various environmental parameters and growth data, such as temperature, humidity, light intensity, CO 2 concentration, plant height, number of leaves;
[0175] Data Analysis Unit: Use big data analysis and artificial intelligence technology to mine and analyze production data to identify crop growth trends and key influencing factors;
[0176] Optimization strategy unit: Based on the data analysis results, optimize environmental control strategies, irrigation and fertilization plans, etc. to improve crop yield and quality.
[0177] In this embodiment, the data recording unit collects and records these data in real time through high-precision sensors and instruments, and stores them in a database, providing a reliable basis for subsequent data analysis.
[0178] In this embodiment, the analysis results are presented in the form of charts to facilitate understanding and decision-making. Common chart types include line charts, bar charts, scatter charts, etc. These charts can intuitively show the growth trend of crops and key influencing factors.
[0179] In this embodiment, growth trend identification is to identify the growth trend and periodic changes of crops by analyzing historical data, so as to provide a basis for optimizing planting strategies.
[0180] In this embodiment, the key influencing factors are identified by using a machine learning algorithm to mine key factors that affect crop growth, such as light intensity, temperature, etc., and evaluate the degree of influence of these factors on crop yield.
[0181] The working principle and beneficial effects of the above technical solution are as follows: the data recording and analysis optimization module provides strong technical support for agricultural planting by recording, analyzing and optimizing various data during the crop growth process. The application of this module can not only improve crop yield and quality, but also reduce production costs and energy consumption, and achieve sustainable development of agricultural production.
[0182] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. An efficient digital agricultural precision environment control system based on a plant factory, characterized in that: include: System startup and initialization module: After turning on the power, the device will be self-checked, and after confirmation, it will be connected to the monitoring and alarm test will be carried out; Solar energy collection and CO2 conversion module: collects solar energy and converts it into electrical energy, which is used to drive CO2 conversion. The alcohol and acid products obtained from CO2 conversion are stored for plant culture fluid preparation, and the remaining part is used to supply CO2 according to the needs of the plant factory environment; Environmental parameter monitoring and control module: monitors and controls the key parameters of the system's environment, collects data in real time through sensors, and controls according to preset thresholds or algorithms to maintain the stability and optimization of environmental parameters; Irrigation and fertilization management module: It conducts precise irrigation and fertilization management according to the growth requirements of crops and soil conditions. It uses intelligent sensors and algorithms to monitor soil moisture, nutrient content and other parameters in real time, and formulates irrigation and fertilization plans based on these data. Data recording and analysis optimization module: records and analyzes all data generated during the operation of the system, including environmental parameters, irrigation and fertilization records, yield and quality data. Through data analysis, potential problems and optimization points are discovered, and corresponding improvement measures are proposed.
2. According to claim 1, a highly efficient digital agricultural precision environment control system based on a plant factory is characterized in that: The system startup and initialization module includes: Power control unit: Turn on the main power switch of the plant factory to ensure that all equipment is powered on; Start the monitoring system: Start the central monitoring system to monitor various environmental parameters in the plant factory in real time; Initialization settings: According to the growth requirements of crops and the preset control strategies, the digital environmental control system and CO2 conversion equipment are initialized and set up, and the alarm function of the system is tested by simulating faults.
3. According to claim 1, a highly efficient digital agricultural precision environment control system based on a plant factory is characterized in that: The solar energy collection and CO2 conversion module comprises: Solar energy collection unit: Solar photovoltaic panels start collecting solar energy and converting it into electrical energy; CO2 conversion unit: Using the electric energy obtained from the conversion, the carbon dioxide membrane separation technology and the carbon dioxide electrocatalytic conversion technology are combined to efficiently separate carbon dioxide from the gas mixture, drive the CO2 conversion equipment to start working, and convert CO2 into carbon-based organic matter or alcohol-like substances; Storage and supply unit: The converted carbon-based organic matter is stored for the preparation of plant culture solution, and the remaining part is used to supply CO2 to the plant factory in a timely manner according to the CO2 concentration demand in the plant factory.
4. According to claim 3, a highly efficient digital agricultural precision environment control system based on a plant factory is characterized in that: The solar energy collection unit comprises: Solar energy collection efficiency calculation unit: obtain the collector area, collector tilt angle, collector direction, solar radiation time, and solar radiation power, and obtain the solar energy collection efficiency as follows: A is the area of the collector; θ is the tilt angle of the collector; φ is the orientation of the collector; t is time; Psolar is the solar radiation power, the solar radiation energy per unit area; η0 is the base efficiency of the collector, f(θ) is the tilt angle correction factor, and f(φ) is the orientation correction factor; η loss is the efficiency reduction factor caused by factors such as heat loss; k is the collection volume correction coefficient; Solar energy conversion unit: collects solar energy and converts the collected solar energy into electrical energy. The electrical energy obtained is: AND e =η×E s Among them, E e is the electrical energy obtained by conversion, E s The collected solar energy.
5. According to claim 3, a highly efficient digital agricultural precision environment control system based on a plant factory is characterized in that: The CO2 conversion unit comprises: Capture and separation unit: uses carbon dioxide membrane separation technology to capture and separate carbon dioxide from the gas mixture; Electrocatalytic conversion unit: the separated carbon dioxide is fed into an electrocatalytic reactor for electrocatalytic conversion on the electrode surface; Product collection and utilization unit: collects and purifies the products after electrocatalytic conversion.
6. According to claim 3, a highly efficient digital agricultural precision environment control system based on a plant factory is characterized in that: The storage and supply unit comprises: Energy balance model unit: obtains system total efficiency, system input energy, system output energy, and system internal energy loss to obtain an energy balance model, and calibrates the energy balance model according to historical data; Energy balance calculation unit: The converted products are stored, and the process of supplying CO2 to the plant factory in a timely manner according to the CO2 concentration demand in the plant factory can be expressed by the following dynamic balance formula: in: is the mass change rate of the stored organic matter or hydrocarbons; C is the CO2 concentration in the plant factory; V is the volume of the plant factory; M1 is the mass of the converted product; M2 is the molar mass of CO2; is the rate of change of CO2 concentration in the plant factory.
7. According to claim 1, a highly efficient digital agricultural precision environment control system based on a plant factory is characterized in that: The environmental parameter monitoring and control module includes: Monitoring unit: Use high-precision sensors to monitor the temperature, humidity, light intensity, CO2 concentration and other environmental parameters in the plant factory in real time; be equipped with video monitoring, smoke sensors, temperature alarm systems and other equipment to monitor the safety status of the plant factory in real time; once an abnormal situation is found, the emergency response mechanism will be immediately activated; Data analysis unit: transmits monitoring data to the intelligent control system in real time for data analysis and processing; uses Internet of Things technology to monitor the occurrence of pests and diseases in real time, and takes physical or biological control measures for prevention and control; Intelligent control unit: Based on data analysis results and preset control strategies, the intelligent control system automatically adjusts the lighting system, heating system, humidification system, and ventilation system equipment in the plant factory to ensure that environmental conditions meet the growth needs of crops.
8. The efficient digital agricultural precision environment control system based on plant factory according to claim 7 is characterized in that: The environmental parameter monitoring and control module also includes: Sensing unit: Use high-precision sensors to monitor the ambient temperature, humidity, light intensity, culture solution composition and pH value in real time; Wireless transmission unit: Send the data collected by the sensor to the data center through wireless transmission technology to achieve remote monitoring and management of the data; Data analysis unit: Analyze and process the data collected by sensors, establish mathematical models, and predict the changing trends of crop growth environment; Automatic control unit: Based on the data analysis results, the intelligent controller is used to automatically adjust environmental parameters, set the appropriate parameter range, and realize automatic control.
9. The efficient digital agricultural precision environment control system based on plant factory according to claim 1 is characterized in that: The irrigation and fertilization management module includes: Irrigation control unit: Based on the crop growth stage and data fed back by the soil moisture sensor, the intelligent control system automatically adjusts the water volume and frequency of the irrigation system to meet the water requirements of the crops; Fertilization management unit: Add nutrient solution according to the fertilizer plan, use sensors to detect the concentration of nutrient solution, maintain a reasonable level, discharge residues regularly, and keep the system clean.
10. The efficient digital agricultural precision environment control system based on plant factory according to claim 1 is characterized in that: The data recording and analysis optimization module includes: Data recording unit: records various environmental parameters and growth data, such as temperature, humidity, light intensity, CO2 concentration, plant height, and number of leaves; Data Analysis Unit: Use big data analysis and artificial intelligence technology to mine and analyze production data to identify crop growth trends and key influencing factors; Optimization strategy unit: Based on the data analysis results, optimize environmental control strategies, irrigation and fertilization plans, etc. to improve crop yield and quality.
Citation Information
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