Sugar-free tissue culture microenvironment intelligent control system for facility flower seedling culture

Abstract

The invention discloses a sugar-free tissue culture microenvironment intelligent control system for facility flower seedling culture, and belongs to the field of intelligent agriculture. The system comprises a microenvironment regulation device, an LED light supplement regulation device, a carbon dioxide concentration regulation device and the like, a digital model construction module and an agricultural Internet of Things intelligent control platform. Key elements such as temperature and humidity, illumination, carbon dioxide concentration and nutrient solution of the flower seedling culture microenvironment can be accurately adjusted, and the requirements of different growth stages of flowers can be met; by means of a digital model and sensor feedback, automatic management is achieved, remote monitoring and operation can be achieved, manual intervention is reduced, the resource utilization efficiency is improved, and resource waste is avoided. A microenvironment precise regulation and control technology is adopted, so that the thermal load and energy consumption are reduced, the operation cost is reduced, and the economic benefit is improved; practical application verifies that the system can promote healthy growth of flowers, significantly improve flower quality and seedling culture management efficiency, and enhance market competitiveness of the flower seedling culture industry.

Description

Technical Field

[0001] The present invention relates to the field of smart agriculture, and particularly to an intelligent control system for a sugar-free tissue culture microenvironment of facility flower seedlings. Background Art

[0002] Existing plant factory technologies mostly focus on the comprehensive environmental regulation and water and fertilizer control of plants, but lack in-depth research on the asymmetric factors in the application process of advanced control technologies in flower seedling cultivation in plant factories; therefore, the research of this project will develop a digital model for flower seedling cultivation in the artificial light microenvironment of a plant factory, and realize the intelligent regulation of the artificial light microenvironment for flower seedling cultivation based on the interaction between flower seedlings and the environment; at the same time, for the research on the influencing factors of the artificial facility environment, it will focus on constructing a plant-environment interaction model for the efficient operation of an energy-saving plant factory, rather than simply pursuing the automatic control of the overall environment of the plant factory; Summary of the Invention

[0003] The purpose of the present invention is to overcome one or more deficiencies of the existing technology, and provide an intelligent control system for a sugar-free tissue culture microenvironment of facility flower seedlings;

[0004] The purpose of the present invention is achieved by the following technical solutions:

[0005] An intelligent control system for a sugar-free tissue culture microenvironment of facility flower seedlings, comprising:

[0006] A microenvironment regulation device for regulating the temperature, humidity, and air flow tissue circulation of the sugar-free tissue culture microenvironment of flower seedlings;

[0007] An LED supplementary light regulation device for regulating the supplementary light of the LED plant light source based on the feedback of a photosynthetically active radiation (PAR) quantum sensor;

[0008] A carbon dioxide concentration regulation device for monitoring and regulating the carbon dioxide concentration in the microenvironment;

[0009] A combined factor regulation device, including a nutrient solution control system for regulating the input of the nutrient solution and comprehensively regulating the environmental factors affecting flower seedling cultivation;

[0010] A seedbed temperature regulation device for precisely controlling the temperature of the root substrate of flower seedlings during the seedling stage and the temperature of the leaf surface and canopy range of flower seedlings;

[0011] A digital model construction module for constructing a digital model for sugar-free tissue culture of flower seedlings in the microenvironment of a plant factory;

[0012] An agricultural Internet of Things intelligent control platform, based on the digital model, combined with the monitoring data of the flower seedling cultivation state, automatically intervenes in the environmental factors to realize real-time precise intelligent control of the flower seedling cultivation process and the cultivation environment.

[0013] Further, the microenvironment control device includes a temperature and humidity sensor, a ventilation device, and a heating and cooling component. The temperature and humidity sensor monitors the temperature and humidity data of the microenvironment in real time. The ventilation device adjusts the air circulation, and the heating and cooling component adjusts the temperature according to the monitored data.

[0014] Further, in the LED supplementary lighting control device, the LED plant light source is a hyperspectral module, which is used to provide a variety of spectral combinations to meet the light quality requirements of different growth stages of flowers.

[0015] Further, the carbon dioxide concentration control device includes a carbon dioxide sensor and a carbon dioxide generator. The carbon dioxide sensor monitors the concentration in real time, and the carbon dioxide generator supplements carbon dioxide according to the monitoring results.

[0016] Further, the combined factor control device comprehensively analyzes the data of each environmental factor through a preset algorithm, and cooperatively controls other devices to achieve the optimal combination of environmental factors.

[0017] Further, the seedbed temperature control device adopts semiconductor temperature control technology, which has the characteristics of rapid heating and cooling and high temperature control accuracy.

[0018] Further, the agricultural Internet of Things intelligent control platform is used for remote communication functions, and can realize remote monitoring and operation through mobile phone or computer terminals.

[0019] Further, the sugar-free tissue culture microenvironment intelligent control system for facility flower seedling raising further includes an air antibacterial device, which is installed in the seedling raising microenvironment to generate plasma for sterilization in the microenvironment, and the working intensity is adjusted by the intelligent control platform according to the digital model and monitoring data.

[0020] The beneficial effects of the present invention are as follows:

[0021] (1) Precisely control key elements such as temperature, humidity, light, carbon dioxide concentration, nutrient solution, etc., optimize the light spectrum and temperature control, meet the needs of different growth stages of flowers, promote the healthy growth of flowers, make the plants stronger, the flower development better, improve the flower quality, and increase the proportion of high-quality finished flowers;

[0022] (2) The intelligent control system realizes automatic management, automatically adjusts the operation of equipment with the help of digital models and sensor feedback, reduces frequent manual intervention, reduces labor costs, and at the same time responds to environmental changes in a timely manner, ensures the stability of the flower growth environment, and improves management efficiency;

[0023] (3) Cost reduction and competitiveness enhancement: The combined factor regulation and precision irrigation technology improve resource utilization efficiency, avoid resource waste, and reduce production costs; the microenvironment precision regulation technology reduces the heat load and energy consumption, optimizes the ventilation, lighting, and irrigation systems, reduces energy consumption, lowers operating costs, and enhances the sustainable development ability. Description of the Drawings

[0024] Figure 1 Schematic diagram of the structure of an intelligent control system for the sugar-free tissue culture microenvironment of facility flower seedlings provided for the embodiment;

[0025] Figure 2 Schematic diagram of the flower planting rack of an intelligent control system for the sugar-free tissue culture microenvironment of facility flower seedlings provided for the embodiment. Detailed Embodiment

[0026] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present invention;

[0027] Embodiment 1

[0028] In a large-scale plant factory with an area of 500 square meters, referring to Figure 1 - Figure 2 , a sugar-free tissue culture seedling raising area for Anthurium andraeanum was specifically set up, and the "intelligent control system for the sugar-free tissue culture microenvironment of facility flower seedlings" was fully applied in this area;

[0029] Microenvironment regulation device: Temperature and humidity sensors are evenly distributed in the seedling raising area, and a set is installed every 10 square meters to accurately collect temperature and humidity data in real time; in the early stage of Anthurium andraeanum seedling raising, the system sets the temperature to 26°C and the relative humidity to 75%; when the indoor temperature rises due to high outdoor temperature in summer, the temperature and humidity sensors transmit the data to the control center, and the heating and cooling components quickly start the cooling mode to lower the indoor temperature through the cold water circulation pipeline; at the same time, the ventilation equipment starts the high-speed operation mode, discharges the indoor humid and hot air, and introduces filtered fresh air; if the humidity is lower than the set value, the spray device installed on the top will automatically start for precise spray humidification;

[0030] LED supplementary light regulation device: Adjustable LED hyperspectral modules are installed above each row of Anthurium andraeanum seedling racks, and photosynthetically active radiation photon sensors are installed 20 cm above the plant canopy; at different stages of Anthurium andraeanum seedling raising, the system adjusts the spectral combination and light intensity according to the preset program; in the initial stage of seedling raising, the spectral combination mainly composed of blue light and green light promotes the growth and photosynthesis of plant leaves, and the light intensity is set to 120 μmol・m -2 ・s-1 ; As the plant grows, during the transition stage from vegetative growth to reproductive growth, gradually increase the proportion of red light and raise the light intensity to 150 μmol·m -2 ·s -1 to meet the lighting requirements for the flower bud differentiation of Anthurium andraeanum;

[0031] Carbon dioxide concentration control device: A carbon dioxide sensor is installed every 15 meters and distributed at different positions in the seedling-raising area; when the carbon dioxide concentration is lower than the set 850 ppm during the strong photosynthesis of Anthurium andraeanum in the daytime, the carbon dioxide generator starts to work; the generator evenly transports carbon dioxide to every corner of the seedling-raising area through pipelines to ensure the stability of the carbon dioxide concentration around the plants; at the same time, the system will also dynamically adjust the carbon dioxide supplement amount according to the changes in light intensity and temperature to achieve the best photosynthetic efficiency;

[0032] Combined factor control device: The system is built-in with a complex algorithm optimized for the growth characteristics of Anthurium andraeanum; this algorithm integrates multi-source environmental data such as temperature, humidity, light, carbon dioxide concentration, and nutrient solution concentration in real time; for example, when the light intensity suddenly increases, the combined factor control device will cooperate with other devices to appropriately increase the carbon dioxide concentration to 900 ppm, raise the temperature by 1 - 2 °C, and at the same time slightly adjust the irrigation frequency of the nutrient solution to increase the plant's absorption of nutrients, realizing the coordinated optimization of environmental factors and promoting the growth of Anthurium andraeanum;

[0033] Seedbed temperature control device: The seedbed adopts a special design with a semiconductor temperature control chip and a temperature sensor installed inside; during the seedling-raising period of Anthurium andraeanum, the system accurately controls the root substrate temperature within 24 - 25 °C and the temperature in the leaf surface and canopy range within 23 - 24 °C; when it detects that the root temperature is too high, the semiconductor temperature control chip starts the refrigeration function and dissipates the heat through the radiator; if the temperature is too low, the heating function is started; the temperature sensor collects data once per second and feeds the data back to the control system to ensure that the temperature is always within the best range;

[0034] Digital model construction module: Collected a large amount of data such as environmental data, growth index data, and the occurrence of pests and diseases during the seedling-raising of Anthurium andraeanum in different seasons and batches in the past 5 years, and constructed a dedicated sugar-free tissue culture seedling digital model for Anthurium andraeanum; this model not only covers the requirements of various growth stages of Anthurium andraeanum for environmental factors, but also considers the interaction relationships between different environmental factors, and can accurately predict the growth trend of Anthurium andraeanum under different environmental conditions;

[0035] Agricultural Internet of Things Intelligent Control Platform: The platform integrates multiple functions such as data collection, analysis, decision-making, and remote control. Staff can view various environmental data and the growth status of Anthurium andraeanum in the seedling raising area in real time through the mobile APP or the computer terminal. Using high-definition cameras and image recognition technology, the platform can automatically monitor growth indicators such as the plant height, number of leaves, and pest and disease conditions of Anthurium andraeanum. When it is found that the Anthurium andraeanum in a certain area shows signs of slow growth or pest and disease problems, the platform will quickly analyze the reasons according to the digital model and automatically adjust relevant environmental factors, such as increasing the light intensity, adjusting the nutrient solution formula, or starting the air bacteriostatic device for sterilization treatment.

[0036] Air Bacteriostatic Device: A total of 10 air bacteriostatic devices are evenly installed on the top and sides of the seedling raising area. These devices work continuously for 24 hours, continuously generating plasma. When the concentration of bacteria or fungi in the air is detected to increase, the system automatically increases the working intensity of the air bacteriostatic device to enhance the sterilization effect. At the same time, in cooperation with the ventilation equipment, the sterilized air is evenly circulated throughout the seedling raising area, effectively reducing the risk of Anthurium andraeanum being infected by pests and diseases.

[0037] Example 2

[0038] Application of sugar-free tissue culture seedling raising of Gerbera jamesonii in a multi-layered three-dimensional flower seedling raising greenhouse.

[0039] In a flower seedling raising greenhouse with a multi-layered three-dimensional structure, this intelligent control system is applied for sugar-free tissue culture seedling raising of Gerbera jamesonii. The greenhouse has 5 layers, and each layer has an area of 100 square meters. Through the intelligent control system, efficient utilization of space and precise environmental control are achieved.

[0040] Microenvironment Regulation Device: Each layer of the seedling raising rack is equipped with an independent temperature and humidity sensor, a ventilation fan, and a small heating and cooling unit. During the seedling raising period of Gerbera jamesonii, the set temperature is 22 - 24 °C, and the relative humidity is 65 - 70%. The temperature and humidity sensor collects data every 30 seconds. When the temperature is too high, the heating and cooling unit starts to cool, and the ventilation fan accelerates the air circulation to discharge the heat. If the humidity is abnormal, humidification or dehumidification by ventilation is carried out through the micro-spraying system at the top. In addition, air circulation pipes are installed on each layer of the seedling raising rack to ensure uniform air flow between layers and avoid excessive local temperature and humidity differences.

[0041] LED Supplementary Light Regulation Device: On both sides and the top of each layer of the seedling raising rack, multi-angle adjustable LED hyperspectral modules are installed, and a photosynthetically active radiation photon sensor is installed in the middle of the plants. According to the growth characteristics of Gerbera jamesonii, in the early stage of seedling raising, a spectral combination mainly of blue light and purple light promotes root development, and the light intensity is set to 100 μmol・m -2 ・s -1 ; Before entering the flowering stage, the proportion of red light and orange light is increased, and the light intensity is increased to 130 μmol・m-2 ·s -1 , meeting its lighting requirements for flowering; at the same time, according to the lighting differences in different positions of the greenhouse, the system automatically adjusts the brightness and angle of the LED modules in each area to ensure uniform light reception for Gerbera jamesonii;

[0042] Carbon dioxide concentration regulation device: Multiple carbon dioxide sensors are installed in each layer of the seedling raising area, distributed in different corners; when the light is sufficient during the day, if the carbon dioxide concentration is lower than 700 ppm, the carbon dioxide generator transports carbon dioxide to each layer through pipelines; to ensure uniform distribution of carbon dioxide, multiple carbon dioxide diffusers are also installed on each layer, enabling carbon dioxide to quickly diffuse within the seedling raising area and improving the photosynthetic efficiency of plants;

[0043] Combined factor regulation device: The system adopts a dynamic optimization algorithm based on the growth stage of Gerbera jamesonii and environmental data; when the light is sufficient and the temperature is appropriate during the day, the combined factor regulation device increases the carbon dioxide concentration and the proportion of nitrogen elements in the nutrient solution to promote the photosynthesis and vegetative growth of plants; at night, the temperature and light intensity are appropriately reduced, and at the same time, the pH value of the nutrient solution is adjusted to promote the respiration and nutrient accumulation of plants; in this way, precise coordinated regulation of environmental factors is achieved;

[0044] Seedbed temperature regulation device: The seedbed adopts a structure combining foam heat insulation material and semiconductor temperature control board, and the temperature sensor is closely attached to the root substrate; during the seedling raising process of Gerbera jamesonii, the temperature of the root substrate is stably controlled at 21 - 23 °C, and the temperature of the leaf surface and canopy range is maintained at 20 - 22 °C; when the root temperature fluctuates, the semiconductor temperature control board responds quickly and performs heating or cooling operations to ensure that the roots are in the optimal growth temperature environment;

[0045] Digital model construction module: Collected growth data of Gerbera jamesonii over the years under different seasons and cultivation conditions, including indicators such as plant height, leaf area, number and quality of flowers, as well as corresponding environmental data, and constructed a digital model for sugar-free tissue culture seedling raising of Gerbera jamesonii; this model can simulate the growth process of Gerbera jamesonii under different environmental conditions and provide a decision-making basis for the intelligent control platform;

[0046] Agricultural Internet of Things intelligent control platform: Staff can monitor the operation of the greenhouse anytime and anywhere through a tablet computer or mobile phone; the platform obtains the growth data and environmental data of Gerbera jamesonii in real time through cameras and sensors installed on each layer; using artificial intelligence image recognition technology, the platform can automatically identify the pest and disease symptoms of Gerbera jamesonii and recommend corresponding prevention and control measures according to the digital model; for example, when it is found that the leaves of Gerbera jamesonii show powdery mildew symptoms, the platform automatically starts the air antibacterial device for disinfection, and at the same time adjusts the temperature, humidity and ventilation conditions to inhibit the spread of the disease;

[0047] Air antibacterial device: Highly efficient air antibacterial devices are installed at the air inlet of the greenhouse and the air outlet of each seedling raising area; the device at the air inlet pre-sterilizes the air entering the greenhouse, and the device at the air outlet purifies the discharged air to prevent the spread of pests and diseases; in addition, when the concentration of pathogenic bacteria in the greenhouse is detected to increase, the system automatically increases the working frequency of the air antibacterial device to ensure the cleanliness of the air in the greenhouse and create a healthy environment for the growth of Gerbera jamesonii.

[0048] Through the system, the key elements such as temperature, humidity, light, carbon dioxide concentration, and nutrient solution in the microenvironment of flower seedling raising are precisely regulated to meet the needs of different growth stages of flowers, and promote the healthy growth of flowers; the light spectrum combination and intensity are optimized, combined with precise temperature control, to make the flower plants stronger, the flower development better, significantly improve the flower quality, and increase the proportion of high-quality products in the finished flowers; the intelligent control system realizes automated management, reduces frequent manual intervention, and improves the management efficiency of the flower seedling raising process; through digital models and sensor feedback, the equipment operation is automatically adjusted, reducing labor costs, and can respond to environmental changes in a timely manner to ensure the stability of the flower growth environment; through technologies such as combined factor regulation and precise irrigation, resources are supplied according to the actual needs of the flowers, avoiding resource waste, improving resource utilization efficiency, reducing production costs, and achieving sustainable development;

[0049] Adopting the microenvironment precise regulation technology, compared with the traditional full-space environment regulation method, the heat load and energy consumption are significantly reduced; the conduction of cold and heat is precisely controlled, the ventilation, light, and irrigation systems are optimized, the energy consumption is reduced, the operation cost of the plant factory is reduced, the economic benefits are improved, and the market competitiveness of the flower seedling raising industry is enhanced.

[0050] The above are only the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications, and environments, and can be changed within the scope of the concept described herein through the above teachings or the technology or knowledge in related fields; and the changes and modifications made by those skilled in the art that do not depart from the spirit and scope of the present invention shall fall within the protection scope of the appended claims of the present invention.

Claims

1. An intelligent control system for the microenvironment of sugar-free tissue culture of flower seedlings in facilities, characterized in that: include: Micro-environment control device, used to adjust the temperature, humidity and air flow organization circulation of the micro-environment of sugar-free tissue culture seedlings of flowers; LED light supplement control device, based on the photosynthetically active radiation light quantum sensor feedback, controls the LED plant light source light supplement; A carbon dioxide concentration control device, used to monitor and adjust the carbon dioxide concentration in the microenvironment; The combined factor control device includes a nutrient solution control system for controlling the input of the nutrient solution; The seedbed temperature control device can accurately control the temperature of the root matrix of the flower seedlings and the temperature of the leaf surface and canopy of the flower seedlings; Digital model building module, used to build a digital model of sugar-free tissue culture seedlings of flowers in the microenvironment of a plant factory; The agricultural Internet of Things intelligent control platform, based on the digital model and combined with the monitoring data of the flower seedling status, automatically intervenes in environmental factors to achieve real-time, precise and intelligent control of the flower seedling process and seedling environment.

2. According to claim 1, a microenvironment intelligent control system for sugar-free tissue culture of flower seedlings in facilities, characterized in that: The microenvironment control device includes a temperature and humidity sensor, ventilation equipment and a heating and cooling component. The temperature and humidity sensor monitors the temperature and humidity data of the microenvironment in real time, the ventilation equipment adjusts the air flow circulation, and the heating and cooling component adjusts the temperature according to the monitoring data.

3. The intelligent control system for the sugar-free tissue culture microenvironment of flower seedlings in facilities according to claim 1 is characterized in that: In the LED supplementary light control device, the LED plant light source is a high-spectrum module, which is used to provide a spectrum combination to meet the light quality requirements of flowers at different growth stages.

4. The intelligent control system for the sugar-free tissue culture microenvironment of flower seedlings in facilities according to claim 1, characterized in that: The carbon dioxide concentration control device comprises a carbon dioxide sensor and a carbon dioxide generator. The carbon dioxide sensor monitors the concentration in real time, and the carbon dioxide generator replenishes carbon dioxide according to the monitoring result.

5. The intelligent control system for the sugar-free tissue culture microenvironment of flower seedlings in facilities according to claim 1 is characterized in that: The combined factor control device comprehensively analyzes the data of various environmental factors through a preset algorithm and coordinates other devices to achieve an optimal combination of environmental factors.

6. The intelligent control system for the sugar-free tissue culture microenvironment of flower seedlings in facilities according to claim 1, characterized in that: The seedbed temperature control device adopts semiconductor temperature control technology.

7. The intelligent control system for the sugar-free tissue culture microenvironment of flower seedlings in facilities according to claim 1 is characterized in that: The agricultural Internet of Things intelligent control platform is used to perform remote communication functions.

8. The intelligent control system for the sugar-free tissue culture microenvironment of flower seedlings in facilities according to claim 1, characterized in that: The intelligent control system also includes an air antibacterial device, which is installed in the seedling microenvironment and is used to generate ions for sterilization in the microenvironment.

Images