Multi-dimensional submerged plant light supplementing equipment

Abstract

The invention discloses a multi-dimensional submerged plant light supplementing device, which belongs to the technical field of submerged plants, and comprises a sunshine leading-in lighting machine, a special optical fiber conduction fiber and a sunshine diverging light source, the sunlight guiding-in lighting machine is configured to collect sunlight energy on the water surface; the special optical fiber conduction fiber is configured to stably transmit the collected solar energy to a submerged plant growth area; and the sunlight diverging light source is configured to uniformly and accurately diverge the sunlight energy transmitted by the special optical fiber conduction fiber. The problems that in the prior art, the surrounding water area environment and personnel safety are seriously threatened, the maintenance cost is increased, and the equipment use efficiency is reduced are solved. The mode of combining passive light and active light is adopted, accurate light supplementing of underwater submerged plants is achieved, the photosynthesis efficiency of the plants is promoted to be improved, the growth speed of the plants is increased, and the biological diversity and the overall stability of an aquatic ecosystem are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of submerged plants and relates to a multi-dimensional submerged plant lighting device. Background Art

[0002] In the balance and stability of the ecosystem of shallow lakes, submerged plants occupy a vital position and are an indispensable key component of the entire ecosystem. Submerged plants play an important multi-dimensional role in shallow lakes, and actively participate in the process of water quality improvement through their unique physiological functions and ecological characteristics. Specifically, submerged plants can efficiently absorb nutrients in the water body, including but not limited to eutrophication-related elements such as nitrogen and phosphorus, thereby effectively reducing the nutrient load in the water body and inhibiting adverse phenomena such as excessive algae reproduction. At the same time, submerged plants also play an important role in stabilizing sediments. Their roots can anchor the bottom and prevent sediment resuspension caused by external forces such as water flow, wind and waves, thereby maintaining water transparency and water quality stability.

[0003] However, the current ecological environment is in a grim situation, and the eutrophication problem is becoming increasingly prominent, which has caused a serious impact on the shallow lake ecosystem. Affected by eutrophication, more and more shallow lakes have seen a gradual decrease or even complete disappearance of submerged plants, which poses a huge threat to the health and stability of the lake ecosystem. The extinction of submerged plants is the result of the interaction of multiple complex factors, among which the factor of too low underwater light plays a key role in the decline of submerged plants. Further analysis shows that phytoplankton, attached organisms and suspended particles are the main factors affecting light attenuation in lakes. Phytoplankton reproduces in large numbers in a suitable eutrophic environment, forming a water bloom phenomenon, which seriously hinders the propagation of light in the water; attached organisms attach to the surface of submerged plants in large numbers, which not only affects plant photosynthesis, but also interferes with the penetration of light to a certain extent; the presence of suspended particles in large quantities in the water increases the turbidity of the water, causing the underwater light conditions to continue to deteriorate.

[0004] Given the irreplaceable importance of submerged plants in maintaining the health of shallow lake ecosystems, they have received widespread attention and high attention in recent years. Under the framework of eutrophic lake ecological restoration, the restoration of submerged plants has become one of the core links and important measures. From a theoretical perspective, reducing the nutrient level of water bodies and improving underwater light conditions are the fundamental ways to restore submerged vegetation. However, in actual operations, the special environment and complex conditions of urban lakes make the restoration of submerged plants face many difficulties and challenges. Urban lakes are restricted by many factors. For example, urban sewage discharge, surface runoff carrying pollutants, etc., have caused the nutrient load to be high for a long time and difficult to reduce effectively, which has become one of the important obstacles to the restoration of submerged plants. At the same time, human intervention in urban construction, such as the high water level artificially adjusted for flood control, landscape and other purposes, has changed the original suitable growth water level of submerged plants, which has a negative impact on their growth. In addition, urban planning has led to a limited area of ​​lakeside areas, which has restricted the growth space of submerged plants and further increased the difficulty of restoration. Moreover, the frequent outbreaks of algal blooms have seriously damaged the underwater lighting conditions and water quality environment, which is greatly detrimental to the survival and reproduction of submerged plants. Based on the above situation, after in-depth research and analysis, using artificial lighting to increase underwater lighting may be a potential method for restoring submerged plants in urban lakes, which is worthy of further exploration and practice.

[0005] Under the current market environment, the field of underwater optical compensation equipment presents a development trend of alternating new and old technologies. The traditional underwater optical compensation equipment currently widely available on the market mainly uses LED lamp groups as light sources. Although this design can meet some lighting needs to a certain extent, it has many serious problems. Since traditional equipment requires an external power supply, this design feature leads to significant safety hazards in its actual application. The external power supply may be corroded and leak electricity due to long-term immersion in water, which will not only cause damage to the equipment itself, but also pose a serious threat to the surrounding water environment and personnel safety. At the same time, the design of the external power supply makes the maintenance of the equipment extremely complicated and difficult. Each maintenance requires professionals to perform complex circuit detection and maintenance operations, which not only increases the maintenance cost, but also extends the maintenance cycle of the equipment and reduces the efficiency of the equipment. Summary of the invention

[0006] The purpose of the present invention is to provide a multi-dimensional submerged plant lighting equipment, which adopts a combination of passive light and active light to achieve precise lighting for underwater submerged plants, promote the improvement of plant photosynthesis efficiency, accelerate the growth rate of plants, improve the biodiversity and overall stability of the aquatic ecosystem, and solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions: A multi-dimensional submerged plant lighting device, comprising a sunlight introduction light collecting machine, a special optical fiber conduction fiber and a sunlight diverging light source; The sunlight introduction light collecting machine is configured to collect solar energy on the water surface; The special optical fiber conducting fiber is configured to stably transmit the collected solar energy to the underwater submerged plant growth area; The sunlight diverging light source is configured to evenly and accurately diverge the sunlight energy transmitted through the special optical fiber conduction fiber; Among them, the lighting conditions of the sunlight diverging light source are accurately controlled according to the growth data of submerged plants, and the light intensity, lighting time and different wavelengths of light are dynamically adjusted.

[0008] Preferably, collecting solar energy on the water surface includes: Adopting high-precision optical lens group, through special curved surface design and optical materials, it can effectively focus the sunlight with different incident angles on the water surface, so as to collect as much light energy as possible; The high-precision sensor monitors the changes in the sun's position in real time, and accurately controls the direction of the sunlight-introducing light-collecting machine based on the preset algorithm, so that the sunlight-introducing light-collecting machine always maintains the best incident angle with the sun's rays, and collects sunlight efficiently and uninterruptedly throughout the day. Optical coupling devices are used to initially integrate and optimize the converged light, reduce the energy loss of light during transmission to subsequent components, and enable the light energy to be transmitted to the subsequent optical system in the most efficient way.

[0009] Preferably, the change of the sun's position is monitored in real time by a high-precision sensor, and the direction of the sunlight introduced into the daylighting machine is accurately controlled according to a preset algorithm, including: Use light intensity sensors to monitor and collect the light conditions of sunlight entering the light-collecting machine in real time to obtain sunlight intensity data; Use attitude sensors to monitor and collect the attitude of sunlight entering the daylighting machine in real time, obtain the sun's position change data, and process the sun's position change data; Constructing a mathematical model based on the sun's trajectory, inputting the sun's position change data into the mathematical model based on the sun's trajectory, analyzing the sun's position change data according to the mathematical model based on the sun's trajectory, and calculating the sun's real-time position; The controller generates control instructions based on the calculated real-time position of the sun, and controls the direction of the sunlight-introducing daylighting machine according to the control instructions, so that the sunlight-introducing daylighting machine adjusts the lighting angle, and tracks the sunlight in real time through the tracker to form a closed-loop control, so that the sunlight-introducing daylighting machine always maintains the best incident angle with the sunlight.

[0010] Preferably, a mathematical model based on the sun's trajectory is constructed, comprising: Collecting historical data of the sun's trajectory, and dividing the collected historical data of the sun's trajectory into a training set and a test set; Based on deep learning technology, the deep learning model is trained with a training set, so that the deep learning model can autonomously learn the sun position calculation behavior, predict the sun position, and determine the mathematical model based on the sun's trajectory; Perform performance tests on the mathematical model based on the sun's trajectory based on the test set to determine whether the mathematical model based on the sun's trajectory can achieve the expected results; According to the test results, the parameters and structure of the mathematical model based on the sun's trajectory are adjusted and optimized, the optimal mathematical model based on the sun's trajectory is determined, and the optimal mathematical model based on the sun's trajectory is deployed to predict the sun's position and calculate the sun's real-time position.

[0011] Preferably, the special optical fiber conductive fiber is made of special optical glass or polymer material with high light transmittance and low attenuation characteristics, and the special optical fiber conductive fiber includes a core layer and a cladding layer; The core layer is configured to conduct light so that the light can be transmitted with low loss inside the core layer through the principle of total reflection; The cladding, configured to protect the core layer and enhance the mechanical strength of the specialty optical fiber conducting fiber, has a lower refractive index to prevent light from escaping from the core layer.

[0012] Preferably, a high-strength, water-resistant and flexible protective coating is provided on the outside of the special optical fiber conductive fiber to protect the special optical fiber conductive fiber from damage by external forces and to enable the special optical fiber conductive fiber to maintain stable optical transmission performance under bending and stretching conditions.

[0013] Preferably, the sunlight energy transmitted through the special optical fiber conduction fiber is evenly and accurately dispersed, including: Real-time monitoring and collection of the morphological characteristics, biomass and growth position of underwater submerged plants to obtain submerged plant growth data; The underwater scattering device is dynamically adjusted and controlled according to the growth data of submerged plants, so that the sunlight diverging light source can evenly and accurately diverge the sunlight energy.

[0014] Preferably, dynamically adjusting and controlling the underwater scattering device includes: According to the growth data of submerged plants, the lighting conditions of the sunlight diverging light source are accurately controlled, and the light intensity, lighting time and light of different wavelengths are dynamically adjusted to make the sunlight diverging light source adapt to the growth status of submerged plants.

[0015] Preferably, the illumination conditions of the sunlight diverging light source are accurately controlled according to the growth data of the submerged plants, and the illumination intensity, illumination time and light of different wavelengths are dynamically adjusted, including: Obtain the growth distribution area of ​​the submerged plants, and at the same time, obtain the effective irradiation range of the sunlight divergent light source, and determine the sunlight irradiation blind area for the submerged plants based on the range difference between the growth distribution area and the effective irradiation range; Determine the deployment position of the bionic light source based on the sunlight blind area, and provide deployment guidance for the bionic light source based on the deployment position; Based on the deployment guidance results, the submerged plant species in each growth distribution area are determined, and based on the submerged plant species, the growth stages of the corresponding submerged plants and the biological clock and growth requirements corresponding to each growth stage are crawled from the Internet; Determine the lighting time interval for different submerged plant species based on the biological clock, analyze the growth requirements, and determine the lighting intensity at different lighting moments within the lighting time interval for different submerged plant species at different growth stages; Based on the fill-in time interval and the fill-in intensity at different fill-in times, a differential fill-in control strategy for sunlight divergent light sources and bionic light sources in different growth distribution areas is constructed, and based on the differential fill-in control strategy, the sunlight divergent light source and the bionic light source are controlled to coordinate the fill-in lighting of the submerged plants in each growth distribution area; Based on the control results, the actual fill light intensity of each growth stage is monitored in real time according to the light sensors pre-deployed in each growth distribution area, and the actual fill light intensity is compared with the fill light intensity at different corresponding fill light moments; If the difference comparison result is greater than a preset threshold, the fill light intensity at different fill light moments is adaptively and dynamically corrected based on the actual fill light intensity; Otherwise, continuous light monitoring is carried out on the submerged plants in each growth distribution area until the full life cycle lighting operation is completed.

[0016] Preferably, the solar energy transmitted through the special optical fiber conduction fiber is evenly and accurately dispersed, including: Acquire multiple measurement points of submerged plants, and collect the light intensity of each measurement point of the submerged plants; The coefficient of variation was calculated based on the light intensity at each measurement point for submerged plants; Construct the illumination uniformity evaluation function according to the coefficient of variation; Evaluate the uniformity of current solar energy according to the illumination uniformity evaluation function; When the value interval of the illumination uniformity evaluation function is equal to or greater than the first preset threshold value and less than or equal to 1, it is determined that the uniformity of the current solar energy is qualified; When the value interval of the illumination uniformity evaluation function is less than or equal to the second preset threshold value and equal to or greater than 0, it is determined that the uniformity of the current solar energy is unqualified, and an alarm operation is performed; Among them, the first preset threshold is greater than the second preset threshold.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention adopts advanced optical materials and structures to minimize the loss of light such as scattering and absorption during transmission, improve the utilization efficiency of natural light, and use multidisciplinary cross-knowledge such as fluid mechanics and optical engineering to customize the optical network. Through precise calculation and simulation, it is ensured that the layout and parameter settings of the optical network can adapt to different water environments, so that as much light as possible can reach the target area accurately, create a sufficient and uniform natural lighting environment for submerged plants, and meet their basic lighting needs for growth and development. By carefully selecting the wavelength and light intensity of artificial light sources suitable for the specific growth needs of submerged plants, it is ensured that when natural light cannot meet the growth needs of plants, necessary lighting supplements can be provided in time. The combination of passive light and active light is adopted to achieve accurate lighting supplement for underwater submerged plants, which can not only effectively prevent and alleviate the problems of slow growth and disease of submerged plants caused by insufficient light, but also promote the improvement of plant photosynthesis efficiency and accelerate the growth rate of plants by accurately regulating lighting parameters, thereby improving the biodiversity and overall stability of the aquatic ecosystem, and providing strong technical support for water ecological restoration projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a module structure diagram of the multi-dimensional submerged plant lighting device of the present invention. DETAILED DESCRIPTION

[0019] In order to solve the existing underwater optical compensation equipment, the use of existing technology will not only cause damage to the equipment itself, but also pose a serious threat to the surrounding water environment and personnel safety. At the same time, the maintenance work is extremely complicated and difficult, which not only increases the maintenance cost, but also prolongs the maintenance cycle of the equipment and reduces the efficiency of the equipment. In contrast, please refer to Figure 1 , an embodiment of the present invention provides the following technical solution: A multi-dimensional submerged plant lighting device comprises a sunlight introduction light collecting machine, special optical fiber conduction fibers and a sunlight diverging light source.

[0020] It should be noted that the use of a combination of "passive light + active light", including an automatic sunlight tracking lighting system and solar photovoltaic panels, directs brightness into the water through special optical fiber conduction fibers, thereby achieving the ideal state of complete isolation between water and electricity, fundamentally eliminating the safety hazards caused by the contact between water and electricity, and greatly improving the safety and reliability of the equipment in actual use. It provides a strong guarantee for the long-term stable operation of underwater light compensation equipment, thereby providing practical and effective technical support for the restoration of submerged plants in water ecological restoration, promoting the healthy development of the water ecological restoration industry, and meeting the growing market demand.

[0021] Specifically, plant photosynthesis mainly depends on blue light and red light, and in the water environment, the attenuation of red light and blue light is significant. This attenuation process has an important impact on the growth and distribution of submerged plants; especially in water bodies with high turbidity, the light conditions faced by submerged plants are more severe. Studies have shown that by increasing the intensity of supplementary light, it is expected to significantly improve the survival rate of submerged plant seedlings and play a positive role in promoting their growth process. Therefore, the submerged plant Vallisneria was selected as the research object. Vallisneria, as an important primary producer in the aquatic ecosystem, plays an irreplaceable and key role in the treatment of eutrophic water bodies. Representative natural water bodies will be carefully selected as test sites, and various ecological indicators of the water body and surrounding environmental factors will be fully considered to ensure the scientificity and reliability of the test results. Underwater lighting environments with different wavelengths are constructed using colored films, including three different wavelengths of red light, blue light and white light, to simulate the effects of different spectral characteristics on the growth of submerged plants. At the same time, multiple sets of precise light intensity gradients are set to comprehensively cover different intensity ranges from low to high, so as to systematically study the influence of light intensity changes on the growth of Vallisneria seedlings. During the experiment, we will strictly monitor and record in detail the growth indicators of Vallisneria ovalis seedlings, including but not limited to seedling survival rate, chlorophyll and dissolved oxygen content and other biomass changes, root length and plant height and other key parameters. Through careful comparison and in-depth analysis of these parameters under different lighting conditions, using advanced data analysis methods and statistical means, we can accurately select the most suitable light supplement wavelength and light intensity combination for the growth of submerged plants, and provide scientific and accurate light parameter basis for subsequent submerged plant light supplement and submerged plant restoration projects.

[0022] The sunlight introducing light collecting machine is configured to collect solar energy on the water surface.

[0023] It should be noted that professional optical simulation software is used to conduct comprehensive performance simulation and optimization analysis of the key optical components inside the sunlight-introducing light-collecting machine, so as to ensure that the sunlight-introducing light-collecting machine can achieve the best lighting effect under various complex environmental conditions, provide sufficient and stable light source input for the entire underwater sunlight-introducing system, and effectively promote the photosynthesis and growth and development of submerged plants in the aquatic ecosystem.

[0024] In this embodiment, collecting solar energy on the water surface includes: Adopting high-precision optical lens group, through special curved surface design and optical materials, it can effectively focus sunlight with different incident angles on the water surface, greatly improve the light convergence efficiency, so that as much light energy as possible can be collected; The high-precision sensor monitors the change of the sun's position in real time, and accurately controls the direction of the sunlight-introducing light-collecting machine according to the preset algorithm, so that the sunlight-introducing light-collecting machine always maintains the best incident angle with the sun's rays, and collects sunlight efficiently and continuously throughout the day. Optical coupling devices are used to initially integrate and optimize the converged light, reduce the energy loss of light during transmission to subsequent components, and enable the light energy to be transmitted to the subsequent optical system in the most efficient way.

[0025] It should be noted that through the careful design and optimization of the structure of each part of the sunlight-introducing light-collecting machine and the in-depth analysis with the help of professional simulation software, it is ensured that the sunlight-introducing light-collecting machine can operate stably and reliably in actual application scenarios, effectively adapt to changes in different water surface environments and lighting conditions, and provide a continuous and high-quality sunlight supply for underwater ecosystems, becoming a key technical support in water ecological restoration projects.

[0026] In this embodiment, the change of the sun's position is monitored in real time by a high-precision sensor, and the direction of the sunlight introduced into the daylighting machine is accurately controlled according to a preset algorithm, including: Use light intensity sensors to monitor and collect the light conditions of sunlight entering the light-collecting machine in real time to obtain sunlight intensity data; Use attitude sensors to monitor and collect the attitude of sunlight entering the daylighting machine in real time, obtain the sun's position change data, and process the sun's position change data; Constructing a mathematical model based on the sun's trajectory, inputting the sun's position change data into the mathematical model based on the sun's trajectory, analyzing the sun's position change data according to the mathematical model based on the sun's trajectory, and calculating the sun's real-time position; The controller generates control instructions based on the calculated real-time position of the sun, and controls the direction of the sunlight-introducing daylighting machine according to the control instructions, so that the sunlight-introducing daylighting machine adjusts the lighting angle, and tracks the sunlight in real time through the tracker to form a closed-loop control, so that the sunlight-introducing daylighting machine always maintains the best incident angle with the sunlight.

[0027] In this embodiment, a mathematical model based on the sun's trajectory is constructed, including: Collecting historical data of the sun's trajectory, and dividing the collected historical data of the sun's trajectory into a training set and a test set; Based on deep learning technology, the deep learning model is trained with a training set, so that the deep learning model can autonomously learn the sun position calculation behavior, predict the sun position, and determine the mathematical model based on the sun's trajectory; Perform performance tests on the mathematical model based on the sun's trajectory based on the test set to determine whether the mathematical model based on the sun's trajectory can achieve the expected results; According to the test results, the parameters and structure of the mathematical model based on the sun's trajectory are adjusted and optimized, the optimal mathematical model based on the sun's trajectory is determined, and the optimal mathematical model based on the sun's trajectory is deployed to predict the sun's position and calculate the sun's real-time position.

[0028] The special optical fiber conducting fiber is configured to stably transmit the collected solar energy to the underwater submerged plant growth area; In this embodiment, the special optical fiber conduction fiber is made of special optical glass or polymer material with high transmittance and low attenuation characteristics. The material is finely optimized to ensure that it can maintain good optical properties in a long-term underwater environment and effectively resist the influence of adverse factors such as water corrosion, microbial erosion and water pressure changes on light transmission.

[0029] The special optical fiber conducting fiber comprises a core layer and a cladding layer; The core layer is responsible for the efficient conduction of light, and its refractive index is precisely adjusted so that light can be transmitted with low loss inside the core layer through the principle of total reflection; The cladding layer protects the core layer and enhances the mechanical strength of the special optical fiber transmission fiber. At the same time, its lower refractive index can effectively prevent light from escaping from the core layer, further improving the light transmission efficiency.

[0030] In this embodiment, a high-strength, water-resistant and flexible protective coating is provided on the outside of the special optical fiber conductive fiber to protect the special optical fiber conductive fiber from external force damage and to enable the special optical fiber conductive fiber to maintain stable optical transmission performance under bending and stretching conditions.

[0031] It should be noted that in order to ensure the convenience of laying and installing special optical fiber transmission fibers in complex underwater environments, their exterior is also equipped with a high-strength, water-resistant and flexible protective coating, which can not only protect the special optical fiber transmission fibers from external damage, but also ensure that the special optical fiber transmission fibers maintain stable optical transmission performance under bending, stretching and other conditions. In the connection parts with the sunlight introduction light collector and the underwater scattering device, a high-precision coupling structure design is adopted to ensure that the transmission loss of light energy between various components is minimized and seamless docking is achieved. Through the comprehensive and careful design and optimization of special optical fiber transmission fibers from materials to structures, as well as strict performance testing and simulation analysis, it is ensured that they can operate reliably in underwater sunlight introduction equipment, accurately transmit sufficient light energy to the growth area of ​​submerged plants, and provide solid technical guarantees for the restoration of aquatic ecosystems and the thriving growth of submerged plants.

[0032] The sunlight diverging light source is configured to evenly and accurately diverge the sunlight energy transmitted through the special optical fiber conduction fiber.

[0033] In this embodiment, the sunlight energy transmitted through the special optical fiber is evenly and accurately dispersed, including: Real-time monitoring and collection of the morphological characteristics, biomass and growth position of underwater submerged plants to obtain submerged plant growth data; The underwater scattering device is dynamically adjusted and controlled according to the growth data of submerged plants, so that the sunlight diverging light source can evenly and accurately diverge the sunlight energy.

[0034] In this embodiment, the underwater scattering device is dynamically adjusted and controlled, including: According to the growth data of submerged plants, the lighting conditions of the sunlight diverging light source are accurately controlled, and the light intensity, lighting time and light of different wavelengths are dynamically adjusted to make the sunlight diverging light source adapt to the growth status of submerged plants.

[0035] It should be noted that by precisely controlling lighting conditions, including light intensity, lighting time, light quality (light of different wavelengths) and other parameters, submerged plants can thrive in an artificially created suitable lighting environment, achieve a significant increase in yield and effective improvement in quality, and provide strong support for the development of related industries. By efficiently, evenly and accurately radiating solar energy, a suitable and sufficient lighting environment is provided for underwater submerged plants to promote their growth and normal photosynthesis, playing a vital role in the entire underwater sunlight introduction system.

[0036] In summary, the combination of passive light and active light is used to achieve accurate supplementary lighting for underwater submerged plants. In particular, the passive light is optimized in the network. In the application of passive optical network, a highly efficient optical system is designed, which comprehensively considers the propagation characteristics of light, the optical properties of water bodies, and the lighting requirements of target plants. By optimizing the design of optical transmission paths and using advanced optical materials and structures, the loss phenomena such as scattering and absorption of light during transmission are minimized to improve the utilization efficiency of natural light. At the same time, the actual conditions such as the clarity and depth of the water body and the refraction and attenuation characteristics of light in water are fully considered. The optical network is customized and adjusted by using multidisciplinary cross-knowledge such as fluid mechanics and optical engineering. Through precise calculation and simulation, it is ensured that the layout and parameter settings of the optical network can adapt to different water environments, so that as much light as possible can reach the target area accurately, creating a sufficient and uniform natural lighting environment for submerged plants and meeting their basic lighting needs for growth and development. Secondly, in terms of the introduction and synergy of active optical networks, the introduction of active optical networks aims to effectively compensate for the problem of insufficient natural light under specific conditions (such as at night, cloudy days or deep water areas), and ensures that when natural light cannot meet the growth needs of plants, necessary lighting supplements can be provided in time by carefully selecting the wavelength and light intensity of artificial light sources suitable for the specific needs of submerged plants. In the synergistic matching strategy of passive optical networks and active optical networks, passive optical networks, as the basic light source, provide submerged plants with a continuous and stable natural light background to maintain the basic physiological activities of plants; active optical networks, as an important supplementary means, play a key role in the critical period of insufficient light, ensuring that plants can still maintain normal growth under various complex environmental conditions. This synergistic mechanism can not only effectively prevent and alleviate the problems of slow growth and disease of submerged plants caused by insufficient light, but also promote the improvement of photosynthesis efficiency of plants and accelerate the growth rate of plants by accurately controlling light parameters, thereby improving the biodiversity and overall stability of water ecosystems, and providing strong technical support for water ecological restoration projects.

[0037] In one embodiment, a multi-dimensional submerged plant lighting device is provided, which accurately controls the lighting conditions of the sunlight diverging light source according to the growth data of the submerged plants, and dynamically adjusts the light intensity, lighting time and light of different wavelengths, including: Obtain the growth distribution area of ​​the submerged plants, and at the same time, obtain the effective irradiation range of the sunlight divergent light source, and determine the sunlight irradiation blind area for the submerged plants based on the range difference between the growth distribution area and the effective irradiation range; Determine the deployment position of the bionic light source based on the sunlight blind area, and provide deployment guidance for the bionic light source based on the deployment position; Based on the deployment guidance results, the submerged plant species in each growth distribution area are determined, and based on the submerged plant species, the growth stages of the corresponding submerged plants and the biological clock and growth requirements corresponding to each growth stage are crawled from the Internet; Determine the lighting time interval for different submerged plant species based on the biological clock, analyze the growth requirements, and determine the lighting intensity at different lighting moments within the lighting time interval for different submerged plant species at different growth stages; Based on the fill-in time interval and the fill-in intensity at different fill-in times, a differential fill-in control strategy for sunlight divergent light sources and bionic light sources in different growth distribution areas is constructed, and based on the differential fill-in control strategy, the sunlight divergent light source and the bionic light source are controlled to coordinate the fill-in lighting of the submerged plants in each growth distribution area; Based on the control results, the actual fill light intensity of each growth stage is monitored in real time according to the light sensors pre-deployed in each growth distribution area, and the actual fill light intensity is compared with the fill light intensity at different corresponding fill light moments; If the difference comparison result is greater than a preset threshold, the fill light intensity at different fill light moments is adaptively and dynamically corrected based on the actual fill light intensity; Otherwise, continuous light monitoring is carried out on the submerged plants in each growth distribution area until the full life cycle lighting operation is completed.

[0038] In this embodiment, the growth distribution area refers to the distribution of the corresponding growth positions of the submerged plants underwater.

[0039] In this embodiment, the effective illumination range refers to the area where the sunlight diverging light source can effectively provide illumination.

[0040] In this embodiment, the range difference refers to the non-overlapping area between the growth distribution area and the effective irradiation range.

[0041] In this embodiment, the sunlight blind area refers to an area or position where the sunlight diverging light source fails to effectively provide illumination.

[0042] In this embodiment, the bionic light source refers to a device that can emit light similar to sunlight.

[0043] In this embodiment, the growth stage refers to the growth interval corresponding to the submerged plant, for example, it may be a seedling growth stage and a fruit growth stage.

[0044] In this embodiment, the biological clock refers to the requirements of different submerged plants for light duration at different times in different growth stages. For example, from 6:00 to 8:00, the light intensity gradually decreases from 10 to 8, and from 18:00 to 6:00 at night, the light is turned on once every 1 hour, and the light duration is 15 minutes.

[0045] In this embodiment, the growth requirement refers to the degree of light intensity required at different growth stages.

[0046] In this embodiment, the light supplementation time interval refers to a specific time node for compensating different submerged plant species.

[0047] In this embodiment, the differential fill light control strategy refers to a strategy for controlling the sunlight diverging light source and the bionic light source in different growth distribution areas, and the fill light control strategies for different growth distribution areas are different.

[0048] In this embodiment, the pre-deployed light sensor refers to a sensor pre-deployed in the growth distribution area, which can monitor the light intensity of different growth distribution areas.

[0049] In this embodiment, the actual supplementary light intensity refers to the light intensity provided by the sunlight diverging light source and the bionic light source received by different growth distribution areas.

[0050] In this embodiment, the preset threshold is set in advance and is used to measure whether the difference between the actual fill light intensity and the corresponding fill light intensity at different fill light moments meets the required minimum standard, and can be adjusted.

[0051] In this embodiment, the adaptive dynamic correction refers to adjusting the fill light intensity at different fill light moments to meet the lighting requirements when the difference comparison result is greater than a preset threshold.

[0052] In this embodiment, full life cycle lighting refers to lighting during each growth stage of submerged plants.

[0053] The working principle and beneficial effects of the above technical solution are as follows: by determining the growth distribution area of ​​submerged plants and the effective irradiation range of the sunlight diverging light source, the deployment position of the bionic light source is determined and the deployment guidance is implemented when there is a sunlight irradiation blind spot of the sunlight diverging light source; secondly, the submerged plant species in each growth distribution area are determined, and the growth stage of each submerged plant and the biological clock and growth demand corresponding to each growth stage are obtained from the Internet according to the submerged plant species, so as to achieve the determination of the fill-in light time interval and fill-in light intensity for different submerged plant species according to the biological clock and growth demand; finally, a differential fill-in light control strategy for the sunlight diverging light source and the bionic light source in different growth distribution areas is constructed according to the fill-in light time interval and the fill-in light intensity, and the sunlight diverging light source and the bionic light source are coordinated according to the differential fill-in light control strategy to control the submerged plants in each growth distribution area, and the fill-in light situation is monitored in real time, and the fill-in light intensity is adjusted in time when the fill-in light demand is not met, so as to ensure the reliability of the fill-in light for the submerged plants.

[0054] In one embodiment, a multi-dimensional submerged plant lighting device is provided, which evenly and accurately disperses the sunlight energy transmitted through special optical fiber conduction fibers, including: Acquire multiple measurement points of submerged plants, and collect the light intensity of each measurement point of the submerged plants; The coefficient of variation was calculated based on the light intensity at each measurement point for submerged plants; ; in, Represents the coefficient of variation, and its value range is ; n represents the total number of measurement points; i represents the serial number of the measurement point; represents the light intensity at the i-th measurement point; Construct the illumination uniformity evaluation function according to the coefficient of variation; ; Among them, U represents the illumination uniformity evaluation function, and its value range is (0, 1]; e represents the natural constant; Evaluate the uniformity of current solar energy according to the illumination uniformity evaluation function; When the value of the illumination uniformity evaluation function is equal to or greater than the first preset threshold value and less than or equal to 1, it is determined that the uniformity of the current solar energy is qualified; When the value of the illumination uniformity evaluation function is less than or equal to the second preset threshold value and equal to or greater than 0, it is determined that the uniformity of the current solar energy is unqualified, and an alarm operation is performed; Among them, the first preset threshold is greater than the second preset threshold.

[0055] In this embodiment, the smaller the coefficient of variation is, the higher the illumination uniformity is.

[0056] In this embodiment, the first preset threshold is set in advance, for example, a value of 0.8, and the second preset threshold is set in advance, for example, a value of 0.3.

[0057] In this embodiment, the alarm operation is one or more of sound, light and vibration.

[0058] The working principle and beneficial effects of the above technical solution are: by setting multiple measurement points of submerged plants in advance and extracting the light intensity at each measurement point, the coefficient of variation corresponding to the light intensity can be effectively calculated, so that the light uniformity evaluation function can be effectively constructed according to the coefficient of variation, which is conducive to effectively realizing the accurate evaluation of the uniformity of the current solar energy and improving the reliability and accuracy of the evaluation. Through the alarm operation, it can effectively ensure that the staff can grasp the current status in time and make real-time adjustments, which is conducive to ensuring that the submerged plants can better absorb light energy.

Claims

1. A multi-dimensional submerged plant lighting device, characterized in that: It includes sunlight introduction light collecting machine, special optical fiber transmission fiber and sunlight diverging light source; The sunlight introduction light collecting machine is configured to collect solar energy on the water surface; The special optical fiber conducting fiber is configured to stably transmit the collected solar energy to the underwater submerged plant growth area; The sunlight diverging light source is configured to evenly and accurately diverge the sunlight energy transmitted through the special optical fiber conduction fiber; Among them, the lighting conditions of the sun-scattering light source are precisely controlled according to the growth data of submerged plants, and the light intensity, lighting time and different wavelengths of light are dynamically adjusted; The solar energy transmitted through the special optical fiber is evenly and accurately dispersed, including: Acquire multiple measurement points of submerged plants, and collect the light intensity of each measurement point of the submerged plants; The coefficient of variation was calculated based on the light intensity at each measurement point for submerged plants; Construct the illumination uniformity evaluation function according to the coefficient of variation; Evaluate the uniformity of current solar energy according to the illumination uniformity evaluation function; When the value interval of the illumination uniformity evaluation function is equal to or greater than the first preset threshold value and less than or equal to 1, it is determined that the uniformity of the current solar energy is qualified; When the value interval of the illumination uniformity evaluation function is less than or equal to the second preset threshold value and equal to or greater than 0, it is determined that the uniformity of the current solar energy is unqualified, and an alarm operation is performed; Among them, the first preset threshold is greater than the second preset threshold.

2. The multi-dimensional submerged plant lighting device according to claim 1, characterized in that: Collecting solar energy on the water surface, including: Adopt high-precision optical lens group, through curved surface design and optical materials, effectively focus the sunlight with different incident angles on the water surface, so as to collect as much light energy as possible; The high-precision sensor monitors the changes in the sun's position in real time, and accurately controls the direction of the sunlight-introducing light-collecting machine based on the preset algorithm, so that the sunlight-introducing light-collecting machine always maintains the best incident angle with the sun's rays, and collects sunlight efficiently and uninterruptedly throughout the day. Optical coupling devices are used to initially integrate and optimize the converged light, reduce the energy loss of light during transmission to subsequent components, and enable the light energy to be transmitted to the subsequent optical system in the most efficient way.

3. The multi-dimensional submerged plant lighting device according to claim 2, characterized in that: The high-precision sensor monitors the changes in the sun's position in real time and accurately controls the direction of sunlight entering the daylighting machine based on the preset algorithm, including: Use light intensity sensors to monitor and collect the light conditions of sunlight entering the light-collecting machine in real time to obtain sunlight intensity data; Use attitude sensors to monitor and collect the attitude of sunlight entering the daylighting machine in real time, obtain the sun's position change data, and process the sun's position change data; Constructing a mathematical model based on the sun's trajectory, inputting the sun's position change data into the mathematical model based on the sun's trajectory, analyzing the sun's position change data according to the mathematical model based on the sun's trajectory, and calculating the sun's real-time position; The controller generates control instructions based on the calculated real-time position of the sun, and controls the direction of the sunlight-introducing daylighting machine according to the control instructions, so that the sunlight-introducing daylighting machine adjusts the lighting angle, and tracks the sunlight in real time through the tracker to form a closed-loop control, so that the sunlight-introducing daylighting machine always maintains the best incident angle with the sunlight.

4. The multi-dimensional submerged plant lighting device according to claim 3, characterized in that: Construct a mathematical model based on the sun's trajectory, including: Collecting historical data of the sun's trajectory, and dividing the collected historical data of the sun's trajectory into a training set and a test set; Based on deep learning technology, the deep learning model is trained with a training set, so that the deep learning model can autonomously learn the sun position calculation behavior, predict the sun position, and determine the mathematical model based on the sun's trajectory; Perform performance tests on the mathematical model based on the sun's trajectory based on the test set to determine whether the mathematical model based on the sun's trajectory can achieve the expected results; According to the test results, the parameters and structure of the mathematical model based on the sun's trajectory are adjusted and optimized, the optimal mathematical model based on the sun's trajectory is determined, and the optimal mathematical model based on the sun's trajectory is deployed to predict the sun's position and calculate the sun's real-time position.

5. The multi-dimensional submerged plant lighting device according to claim 1, characterized in that: The special optical fiber conducting fiber is made of special optical glass or polymer material with high light transmittance and low attenuation characteristics, and the special optical fiber conducting fiber includes a core layer and a cladding layer; The core layer is configured to conduct light so that the light can be transmitted with low loss inside the core layer through the principle of total reflection; The cladding, configured to protect the core layer and enhance the mechanical strength of the specialty optical fiber conducting fiber, has a lower refractive index to prevent light from escaping from the core layer.

6. The multi-dimensional submerged plant lighting device according to claim 5, characterized in that: The exterior of the special optical fiber conducting fiber is provided with a high-strength, water-resistant and flexible protective coating to protect the special optical fiber conducting fiber from external force damage and to enable the special optical fiber conducting fiber to maintain stable optical transmission performance under bending and stretching conditions.

7. The multi-dimensional submerged plant lighting device according to claim 1, characterized in that: The solar energy transmitted through special optical fiber is evenly and accurately dispersed, including: Real-time monitoring and collection of the morphological characteristics, biomass and growth position of underwater submerged plants to obtain submerged plant growth data; The underwater scattering device is dynamically adjusted and controlled according to the growth data of submerged plants, so that the sunlight diverging light source can evenly and accurately diverge the sunlight energy.

8. The multi-dimensional submerged plant lighting device according to claim 7, characterized in that: Dynamically adjust and control the underwater scattering device, including: According to the growth data of submerged plants, the lighting conditions of the sunlight diverging light source are accurately controlled, and the light intensity, lighting time and light of different wavelengths are dynamically adjusted to make the sunlight diverging light source adapt to the growth status of submerged plants.

9. The multi-dimensional submerged plant lighting device according to claim 8, characterized in that: According to the growth data of submerged plants, the lighting conditions of the sun-scattering light source are precisely controlled, and the light intensity, lighting time and different wavelengths of light are dynamically adjusted, including: Obtain the growth distribution area of ​​the submerged plants, and at the same time, obtain the effective irradiation range of the sunlight divergent light source, and determine the sunlight irradiation blind area for the submerged plants based on the range difference between the growth distribution area and the effective irradiation range; Determine the deployment position of the bionic light source based on the sunlight blind area, and provide deployment guidance for the bionic light source based on the deployment position; Based on the deployment guidance results, the submerged plant species in each growth distribution area are determined, and based on the submerged plant species, the growth stages of the corresponding submerged plants and the biological clock and growth requirements corresponding to each growth stage are crawled from the Internet; Determine the lighting time interval for different submerged plant species based on the biological clock, analyze the growth requirements, and determine the lighting intensity at different lighting moments within the lighting time interval for different submerged plant species at different growth stages; Based on the fill-in time interval and the fill-in intensity at different fill-in times, a differential fill-in control strategy for sunlight divergent light sources and bionic light sources in different growth distribution areas is constructed, and based on the differential fill-in control strategy, the sunlight divergent light source and the bionic light source are controlled to coordinate the fill-in lighting of the submerged plants in each growth distribution area; Based on the control results, the actual fill light intensity of each growth stage is monitored in real time according to the light sensors pre-deployed in each growth distribution area, and the actual fill light intensity is compared with the fill light intensity at different corresponding fill light moments; If the difference comparison result is greater than a preset threshold, the fill light intensity at different fill light moments is adaptively and dynamically corrected based on the actual fill light intensity; Otherwise, continuous light monitoring is carried out on the submerged plants in each growth distribution area until the full life cycle lighting operation is completed.

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