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169 results about "Natural illumination" patented technology

Intelligent building energy conservation and emission reduction digital twin management system and method

The invention provides an intelligent building energy conservation and emission reduction digital twin management system and method, and relates to the field of building automation and energy conservation control. The intelligent building energy conservation and emission reduction digital twinborn management system comprises a digital twinborn model construction module, an energy consumption prediction and regulation module, a multi-device cooperative control module, a real-time feedback and self-learning module and an edge-cloud cooperative architecture. By integrating a building information model, real-time sensor data, meteorological data and the like, a three-dimensional visual dynamic twinborn model is constructed, historical data playback and thermodynamic diagram analysis are supported, omnibearing virtual mapping of a physical building is realized, a physical system and virtual model data are synchronized in real time through an Internet of Things sensor network, and the real-time real-time dynamic twinborn model is established. The consistency of a virtual model and an actual system is ensured, the precision and reliability of the model are remarkably improved, artificial illumination is dynamically compensated according to natural illumination, lamps are automatically turned off in an unmanned area through infrared induction, and equipment-level energy saving is achieved in combination with air conditioning system optimization.
Owner:CSCEC SOUTHWEST CONSULTING CO LTD

Tunnel illumination dynamic optimization method based on driver visual adaptation characteristics

The invention belongs to the field of illumination light control, and relates to a dynamic tunnel illumination optimization method based on driver visual adaptation characteristics, which comprises the following steps of: establishing a relation model between a driver pupil area and ambient illuminance in a tunnel, and calculating a pupil area change rate according to the driver pupil area; establishing a corresponding relationship among the average glancing speed, the pupil area change rate and the ambient light in the tunnel according to the historical data; constructing a calculation model of the total average illumination of the lamps on the road surface in the tunnel based on the natural illumination outside the tunnel and the average horizontal illumination of the lamps on the road surface; an energy consumption and light pollution objective function and a driver psychological load objective function are established based on parameters such as total average illumination of lamps on a road surface in a tunnel and the length from an entrance or an exit, and multi-source data such as illumination, brightness, lamp power, pupil change rate and glancing speed are deeply fused, so that human-vehicle-environment multi-dimensional collaborative optimization is realized. The driving safety and the visual comfort of a driver are improved, and meanwhile, the energy consumption is considered.
Owner:JILIN UNIVERSITY

Remote non-contact photo-thermal deicing method and system for fan blade surface

The invention provides a remote non-contact photo-thermal deicing method for the surface of a fan blade, and the method comprises the steps: carrying out the ice condition data collection of the surface of the fan blade, and obtaining multi-modal data; performing feature recognition on the multi-modal data to obtain ice condition features; constructing a three-dimensional thickness distribution model by combining natural illumination factors based on the ice condition characteristics, and generating a deicing strategy; laser deicing is carried out according to the deicing strategy, and a laser beam is adjusted and controlled through a bee colony focusing algorithm; monitoring the temperature change of the coating on the surface of the fan blade in real time so as to adjust the laser power; and carrying out deicing rate detection on the surface of the de-iced fan blade, and if the deicing rate does not reach the standard, carrying out deicing operation again until the deicing rate reaches the standard. According to the method, through fusion of multispectral imaging, millimeter wave radar, a double-flow neural network and a dynamic environment modeling technology, accurate identification of ice conditions and adaptive laser deicing control are realized, and dependence on natural illumination is removed while energy consumption is reduced.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +1

Vehicle-mounted camera imaging quality testing method and device suitable for rain and fog scene

The invention relates to the field of automobile electronic testing technology and equipment, and discloses a vehicle-mounted camera imaging quality testing method and device suitable for a rain and fog scene, and the method comprises the steps: installing a to-be-tested camera module in a rain and fog environment cabin, setting the spectrum and illumination of a top natural illumination simulation system, and simulating the illumination at different time periods; selecting a test target plate in the darkroom; starting an automatic centering module to align the optical axis with the standard plate reference; rain and fog parameters are set through the environment control host, the rain and fog supply system is started to simulate different levels of rain and fog environments, and the raindrop particle size, concentration, dripping speed, fog visibility and fogdrop particle size are dynamically regulated and controlled; shooting a target plate graph card, extracting characteristic parameters by an image analysis module, performing quantitative analysis, and generating an evaluation report, so as to solve the technical problem of singleness of rain and fog scene environment simulation in the prior art.
Owner:CHINA AUTOMOTIVE ENG RES INST +1

Method and system for detecting maturity of tea leaves

The invention relates to the technical field of image processing, and discloses a tea maturity detection method and system, and the method comprises the steps: obtaining an original image of tea in a natural illumination imaging environment; generating a global illumination difference chart representing an ambient illumination state, and performing illumination compensation on the to-be-detected area of the tea in the original image to obtain a compensated image of the tea; performing gray scale range adjustment on the compensated image of the tea leaves to obtain an enhanced spectral image of the tea leaves; integrating the color and spectral characteristics of the specific spectral reflection characteristics of the tea leaves with different maturity degrees in the enhanced spectral image and the three-dimensional morphological characteristics reflecting the spreading degree and thickness of the tea leaves into the fusion image characteristics of the tea leaves; mapping the color spectrum emission characteristics and texture characteristics of the tea leaves in the enhanced spectrum image to a maturity discrimination knowledge base of the tea leaves to obtain a preliminary maturity result; performing confidence coefficient weighting on the preliminary maturity result to obtain a target maturity; according to the invention, the tea maturity detection efficiency can be improved.
Owner:SHAANXI LINGNAN SILK ROAD RED ECOLOGICAL AGRICULTURE DEVELOPMENT CO LTD

Oil production method based on oil cell reactor principle

The invention relates to an oil preparation method based on an oil material cell reactor principle, which comprises the following steps: S1, comprehensively grading rapeseeds into mature grains and immature grains according to appearance color and grain size; s2, performing after-ripening reaction on the sorted immature rapeseed grains under the conditions of natural illumination or artificial illumination or both of the natural illumination and the artificial illumination and certain temperature and humidity; s3, merging the ripe rapeseeds sorted in the step S1 and the rapeseeds subjected to light-promoted after-ripening treatment in the step S2, and putting the merged rapeseeds in a microwave field or an infrared field or a multi-physical field of the microwave field and the infrared field for collaborative pretreatment so as to continue cell reaction; s4, the rapeseeds subjected to multi-field collaborative pretreatment are subjected to tempering and then guided into a low-temperature oil press to be squeezed to prepare oil; and S5, cooling the squeezed crude oil, and then carrying out precision filtration at a relatively low temperature to obtain finished oil. According to the method, migration of natural nutritional ingredients into oil and generation of a large amount of pleasant aroma substances are promoted at a relatively low temperature, and high-quality edible oil is produced.
Owner:OIL CROPS RES INST CHINESE ACAD OF AGRI SCI

Preparation method and application of photocatalytic microorganism-nano material heterozygote

The invention provides a preparation method and application of a photocatalytic microorganism-nano material heterozygote. The heterozygote is formed by compounding electroactive bacteria Shewanella oneidensis MR-1 and a nano material CNx with a photoelectric effect, degradation of antibiotics such as tetracycline and the like is accelerated by utilizing photo-induced electrons and holes generated by excitation of the CNx under a natural illumination condition, inhibition of the antibiotics on microbial activity is relieved, the microbial metabolism efficiency is improved, and the degradation rate of antibiotics such as tetracycline and the like is increased. Therefore, nitrogen and phosphorus elements in the wastewater are rapidly induced to form magnesium ammonium phosphate crystals, and synchronous antibiotic degradation and nitrogen and phosphorus resource recovery are realized. The method is easy and convenient to operate, environmentally friendly and high in phosphorus recovery efficiency, the obtained magnesium ammonium phosphate crystals are controllable in grain size and excellent in quality, and the method is suitable for resourceful treatment scenes of antibiotic-containing organic pollutants such as breeding wastewater and has good application and popularization prospects.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

UVB control method and system for laying hen breeding

The invention discloses a UVB control method and system for laying hen breeding, and the method comprises the steps: arranging a multi-band UVB intelligent light supplement lamp and an illumination intensity sensor in a henhouse, building an intelligent illumination regulation and control module based on a laying hen growth model, and building communication. The system obtains laying hen growth parameters and real-time illumination data, and determines and controls parameters of a light supplement lamp. According to the method, the UVB illumination time, intensity and wavelength can be accurately regulated and controlled according to factors such as different growth stages of laying hens, seasonal changes and breeding environments, and the UVB illumination time, intensity and wavelength can be accurately regulated and controlled according to different growth stages of laying hens, seasonal changes, breeding environments and the like; the method is an innovative method which can be cooperatively controlled with other breeding environment factors, so that the egg laying performance, egg quality and overall health level of laying hens are improved.
Owner:DALIAN HANWEI CHICKEN FARM

Temperature and humidity control device for larch seed germination

This utility model discloses a constant temperature and humidity device for germinating larch seeds, relating to the field of seedling equipment technology. The utility model includes an insulated shell, with a storage mechanism fixedly connected to its inner cavity. A humidity-regulating component is fixedly connected to one side of the insulated shell, and a ventilation component is connected to the top of the insulated shell. The storage mechanism includes an inner shell disposed within the inner cavity of the insulated shell. This utility model, through the cooperation of the inner shell and the insulated shell, forms a double-layered insulated space, effectively reducing heat loss and ensuring stable internal temperature. The connecting plate, bracket, and tray design within the inner shell facilitates layered seed placement, not only improving space utilization but also ensuring good air circulation for each layer of seeds. A heater rapidly raises the internal temperature, and a lighting lamp simulates natural light conditions, providing suitable illumination for seed germination and helping to improve germination rate and quality.
Owner:MULAN WEICHANG STATE-OWNED FOREST FARM OF HEBEI PROVINCE (MANAGEMENT CENT OF NAT NATURE RESERVE IN THE UPPER LUANHE RIVER HEBEI PROVINCE)

Natural light irradiation curing device for trenchless pipeline repair

ActiveCN224065079Ueasy to collectConvenient for natural light curing and repair workPigs/molesLight irradiationLight pipe
The utility model belongs to the technical field of pipeline repair, and particularly relates to a natural light irradiation curing device for trenchless pipeline repair, which comprises a light guide pipe, a light condensing pipe fixedly mounted at one end of the light guide pipe, a first light beam connector fixedly mounted at one end of the light condensing pipe, and an optical cable winch arranged on one side of the first light beam connector. A motor is fixedly installed on one side of the optical cable winch, a winding roller is arranged on the inner side of the optical cable winch, an optical cable is arranged on the winding roller, a tractor is arranged on one side of the optical cable winch, a second light beam connector is fixedly installed on the top of the tractor, and a second convex lens is arranged at one end of the second light beam connector. The fixed rod, the movable rod, the movable groove, the compression spring, the inner rod, the supporting base and the supporting pulley are arranged and used in cooperation, the supporting base and the supporting pulley can support the top of a pipeline by adjusting the movable inner rod in a lifting mode, the stability of a tractor in the moving process is conveniently improved, and the interior of the pipeline can be better repaired conveniently.
Owner:HENAN JINYIDA ENVIRONMENTAL TECH CO LTD

Collaborative optimization control method for light guide pipe system and artificial lighting system and related device

The invention provides a light guide pipe system and artificial lighting system collaborative optimization control method and a related device, and belongs to the technical field of light guide pipe and artificial lighting collaborative control. The genetic algorithm is used for optimizing the first fitness function and the second fitness function, and the position, the pipe diameter and the length of the optimized light guide pipe are obtained; a nonlinear regression fitting model is constructed, and the nonlinear regression fitting model is utilized to calculate the natural illuminance transmitted to the indoor space by the optimized light guide pipe; and comparing the optimized natural illuminance transmitted to the indoor space by the light guide pipe with the set indoor natural illuminance, and if the optimized natural illuminance transmitted to the indoor space by the light guide pipe is lower than the set indoor natural illuminance, controlling the illuminance of the artificial lighting system to be the set indoor natural illuminance by utilizing a greedy strategy. And collaborative optimization control of the light guide pipe system and the artificial lighting system is realized. According to the invention, the problem of poor collaborative optimization control effect of the light guide pipe system and the artificial lighting system is solved.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Automatic small evaporator

The invention discloses an automatic small evaporator, which belongs to the technical field of evaporation measurement and comprises an evaporation dish, an evaporation weighing device, an overflow cylinder, an overflow weighing device, a protection box, an evaporator bracket, a control unit, a rainwater collecting cylinder, a rainwater collecting weighing device and a rainwater collecting cylinder bracket. Weighing measurement and data processing are completed through automatic control of the control unit, the rain collecting cylinder and the rain collecting weighing device are designed, the function of measuring precipitation and evaporation in the same place is integrated, and evaporation calculation errors caused by uneven precipitation distribution are avoided; by installing the grid mesh, errors of water drinking and water splashing of birds are avoided under the condition that water surface ventilation and natural illumination are not affected; by designing a double-layer device wall evaporation dish, filling a heat insulation material in an interlayer and spraying ceramic microbead heat insulation coatings on the inner and outer device walls, the influence of solar radiation temperature increase on the evaporation measurement precision is effectively avoided. According to the invention, automatic measurement of the small evaporator is realized, and the measurement precision is greatly improved.
Owner:TAIAN METEOROLOGICAL BUREAU OF SHANDONG PROVINCE

Polypeptide and application thereof in photocatalytic nitrogen fixation

PendingCN120623260APeptidesBulk chemical productionFurazanCharge-transfer complex
The invention provides a polypeptide and application thereof in photocatalytic nitrogen fixation, and belongs to the technical field of photocatalysts. The sequence of the polypeptide is N3y (NBD-yyy) or N3Y (NBD-YYY), NBD is 4-amino-7-nitrobenzofurazan, y is D-configuration tyrosine, Y is L-configuration tyrosine, and the amino group in the NBD is derived from HCl-removed carbon nitrogen coupling of NBD-Cl (4-chloro-7-nitrobenzofurazan) and free amino group on y or Y. The polypeptide provided by the invention can be prepared into an aqueous solution for assembling and adsorbing nitrogen, and forms a charge transfer compound with nitrogen. Under the condition of normal-temperature and normal-pressure natural illumination reaction for 6 hours, the ammonia gas generation efficiency of the photocatalyst is 61.8 mg <-1 > gcat <-1 > h <-1 >, the catalytic electron turnover number is 43.9, and the efficiency of the photocatalyst can be compared favorably with that of the current excellent non-metal inorganic material, metal or metal-organic photocatalyst.
Owner:NANKAI UNIV

Indoor design illumination simulation device

The invention discloses an interior design illumination simulation device, and relates to the technical field of interior design illumination simulation. The indoor design illumination simulation device comprises an outer frame, the outer wall of the outer frame is fixedly connected with a display component, and the inner bottom of the outer frame is fixedly connected with a simulation mechanism. According to the indoor design illumination simulation device, the model placement disc is driven to rotate through the motor, the indoor design model is driven to turn, and the illumination angle change of sunlight at different time points (such as morning, noon and evening) can be simulated. According to the dynamic rotation design, the back face of the model can also face the simulation lamp, the illumination test range is expanded, the visual effect and shadow distribution of the indoor design under different natural illumination conditions can be comprehensively evaluated, the limiting assembly allows the sliding rail to rotate around the fixing shaft and be fixed at different angles through cooperation of the fixing shaft, the sleeving ring and the bolt, and the detection accuracy is improved. Therefore, the arc-shaped track of the simulation lamp is adjusted.
Owner:HUIZHOU TECHNICIAN COLLEGE (HUIZHOU SENIOR TECH SCHOOL)

Seedling raising frame for tea planting

The utility model provides a seedling raising frame for tea planting, which relates to the technical field of tea planting and comprises a frame body, a plurality of laminates are arranged on the frame body, a water pipe is fixedly connected onto the frame body, a plurality of nozzles are arranged on the water pipe, a rotating structure is arranged on the frame body, the rotating structure mainly comprises four chain wheels, and the four chain wheels are arranged on the frame body. The four chain wheels are rotationally connected to the inner walls of the two sides of the frame body through bearings correspondingly, every two chain wheels located at the same height are fixedly connected through a round rod, every two chain wheels located on the same side are jointly connected with a chain in an engaged mode, and a plurality of connecting shafts are fixedly connected to the chains. The utility model solves the problem that the overall quality and the survival rate of seedlings are affected due to the fact that the placing position of each layer of seedlings is relatively fixed, the seedlings on the upper layer close to a light source can obtain sufficient illumination under natural illumination, the illumination quantity of the seedlings below is obviously insufficient, and the illumination is not uniform.
Owner:JIANGXI HEYUANCHUN TEA CO LTD

Multiphoton quantum imaging using natural light

A method for imaging an object illuminated with natural light including arranging an optical filter in an optical path of at least a portion of the natural light that is reflected and / or refracted or scattered from the object; arranging an optical detector in an optical path of light at least one of reflected from and / or transmitted through the optical filter; detecting, using the detector, individual photons for a time period to provide a times series of individual photon events; segmenting the time series into a plurality of bins; determining a number of detected photons within each bin to provide a time series of photon counts per bin; replacing and / or reconfiguring the optical filter a plurality of times followed by detecting, segmenting and determining to obtain a plurality of times series of photon counts per bin; and forming an image of the object based on the plurality of times series.
Owner:BOARD OF SUPERVISORS OF LOUISIANA STATE UNIV & AGRI & MECHANICAL COLLEGE

High-sensitivity visible light full-spectrum activated sensitive material, NO2 gas sensor as well as preparation method and application of high-sensitivity visible light full-spectrum activated sensitive material

The invention relates to the technical field of NO2 gas detection, and particularly discloses a high-sensitivity visible light full-spectrum activated sensitive material, the sensitive material is a g-C3N4 / SnS / Au nano composite material with a heterostructure, the g-C3N4 / SnS / Au nano composite material comprises g-C3N4 with a multi-lamellar structure and granular SnS growing on the surface of the g-C3N4, and the g-C3N4 / SnS / Au nano composite material is a high-sensitivity visible light full-spectrum activated sensitive material. The g-C3N4 / SnS composite material with a heterostructure is formed, Au nanoparticles are freely distributed on the surface and / or the edge of the g-C3N4 / SnS composite material, and a heterojunction is formed on a contact interface of the Au nanoparticles and the g-C3N4 / SnS composite material. The sensitive material disclosed by the invention has excellent absorption capacity on full-spectrum visible light, can better promote the generation of photon-generated carriers and improve the photon utilization rate under the irradiation of an external light source or natural light, and meanwhile provides activation energy required by surface reaction between target gas molecules and the sensitive material; sufficient energy is provided for gas-sensitive reaction at room temperature, and the comprehensive gas-sensitive performance of the gas sensor is enhanced.
Owner:XIANGTAN UNIV

Hydrangea flower cultivation frame with controllable temperature and illumination

The utility model belongs to the technical field of hydrangea cultivation, particularly relates to a hydrangea cultivation frame with controllable temperature and illumination, and aims to solve the problems that the growth cycle of hydrangea is prolonged and the quality of the hydrangea is reduced due to the fact that natural illumination and room temperature of an existing traditional cultivation frame are difficult to meet the requirements of the hydrangea in different growth stages. Comprising a base, a cultivation frame is fixedly arranged at the top of the base, and a protective cover is fixedly arranged at the top of the cultivation frame, the illumination and temperature requirements of hydrangea in different growth stages can be met through multiple sets of illumination assemblies and heating assemblies, the growth speed of the hydrangea is increased, and the growth quality of the hydrangea is improved; the covering assembly can effectively prevent heat loss, the flow guide groove and the collecting groove are formed in the storage plate, the flow guide pipe is arranged, redundant water generated after hydrangea is watered can be collected and guided to the lower layer, and the problem of root rot caused by water accumulation is solved.
Owner:CHONGQING IND POLYTECHNIC COLLEGE

Industrial hemp seedling raising frame

The utility model relates to the technical field of agricultural biology, in particular to an industrial hemp seedling raising frame which comprises a bottom basin, the outer surface of the bottom basin is fixedly connected with a first connecting shaft, the outer surface of the first connecting shaft is movably connected with a first rotating cylinder, and the side surface of the first rotating cylinder is fixedly connected with a first connecting rod. A second rotating cylinder is fixedly connected to the outer surface of the first connecting rod, a second connecting shaft is movably connected to the interior of the second rotating cylinder, and a first side basin is fixedly connected to the side surface of the second connecting shaft. Through the arrangement of the lifting rod and the first connecting rod, the bottom basin can be conveniently moved, and when indoor natural light is insufficient or uneven, a user can easily push the bottom basin to a position with good light beside a window or adjust the position according to the moving track of the sun, so that industrial hemp seedlings can continuously receive sufficient sunlight.
Owner:YUNNAN ZHIYA BIOTECHNOLOGY CO LTD

Allium mongolicum regel cultivation method with LED as light supplementing source

The invention discloses an allium mongolicum regel cultivation method with an LED as a light supplementing source, and belongs to the technical field of plant cultivation. The allium mongolicum regel cultivation method with the LED as the light supplementing light source comprises the following steps that after allium mongolicum regel is cut, light supplementing treatment is conducted on the allium mongolicum regel every day, and harvesting of the allium mongolicum regel is stopped after 30 days; then the allium mongolicum regel is cut, and then the steps are repeated; the light supplementing treatment comprises the steps that natural illumination is conducted in the daytime, and after no natural illumination exists at night, light supplementing is conducted for 5 h with an LED as a light source. The invention provides an efficient, energy-saving and accurate light supplementing scheme capable of promoting the growth of allium mongolicum regel and improving the quality of the allium mongolicum regel. The yield and quality of allium mongolicum regel are effectively improved by accurately controlling the light source, the illumination intensity, the red-blue light proportion in the light source and the light supplementing time.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Dual-camera overhead line system geometric parameter detection device

The utility model relates to the technical field of contact networks, and discloses a double-camera contact network geometric parameter detection device, which comprises a first camera, a second camera and a laser, the first camera and the second camera are oppositely arranged at the top of an installation main body, and the laser is positioned between the two cameras, so that high-precision double-view-angle shooting of the contact network is realized. The device can ensure that at least one camera works normally under any natural illumination condition, a clear overhead line system image is acquired, pixel coordinates of the bottom of the contact line in the image are accurately found out through an image processing algorithm, and the geometric position of the contact line in an actual space is calculated through a coordinate system. Besides, the device has the capability of autonomously switching the working modes of the double cameras, can realize continuous high-precision detection in a strong sun illumination environment in the daytime, is suitable for any geometric detection method of the overhead line system, has strong environmental adaptability, universality and flexibility, and improves the detection efficiency at the same time.
Owner:CHINA RAILWAY XIAN GRP CO LTD

Lighting and ventilating shaft for underground space

The utility model is applicable to the technical field of underground shafts, and provides a lighting and ventilating shaft for underground space, which comprises a shaft body. The well mouth is communicated with the upper portion of the well body, and a mounting frame is arranged at an opening of the well mouth and is obliquely arranged; a reflective main lens is arranged at the upper part of the well body close to one side with larger inclination gradient of the mounting frame; a first light-reflecting secondary lens is arranged at the inclined lower position of one side, opposite to the light-reflecting primary lens, of the well body; a second light reflecting secondary lens is arranged at the inclined lower position of one side, opposite to the first light reflecting secondary lens, of the well body; through collaborative optimization of the daylighting skylight and the reflective lenses, natural light is introduced into the well body to the maximum extent, sufficient and uniform natural illumination is provided for underground space, and effective energy conservation and implementation of the environment protection concept are achieved; meanwhile, the ventilation system can efficiently adsorb and discharge foul air in the underground space, and the air quality is remarkably improved.
Owner:SHANDONG UNDERGROUND SPACE STANDARDIZATION RES INST CO LTD

A remote, non-contact, photothermal de-icing method and system for the surface of a wind turbine blade

The application provides a remote non-contact photo-thermal deicing method for a wind turbine blade surface, which comprises: collecting ice condition data of the wind turbine blade surface to obtain multi-modal data; identifying features of the multi-modal data to obtain ice condition features; constructing a three-dimensional thickness distribution model based on the ice condition features and combining natural light factors to generate a deicing strategy; performing laser deicing according to the deicing strategy and adjusting and controlling the laser beam through a bee swarm focusing algorithm; monitoring the temperature change of the coating on the surface of the wind turbine blade in real time to adjust the laser power; detecting the deicing rate of the deiced wind turbine blade surface, and if the deicing rate does not meet the standard, re-performing the deicing operation until the deicing rate meets the standard. Through the fusion of multispectral imaging, millimeter wave radar, double-flow neural network and dynamic environment modeling technology, the application realizes accurate identification of ice conditions and adaptive laser deicing control, and reduces the dependence on natural light while reducing energy consumption.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +1

A method and system for detecting the maturity of tea leaves

The present application relates to the technical field of image processing, and discloses a tea maturity detection method and system, the method comprising: acquiring an original image of tea under an imaging environment of natural light; generating a global light difference map representing the state of the ambient light, and performing light compensation on a tea region to be detected in the original image to obtain a compensated image of the tea; adjusting the gray scale range of the compensated image of the tea to obtain an enhanced spectral image of the tea; integrating the color and spectral features of the specific spectral reflection characteristics of tea leaves of different maturity in the enhanced spectral image with three-dimensional morphological features reflecting the spread and thickness of tea leaves into a fusion image feature of the tea; mapping the color and spectral emission characteristics and texture features of the tea in the enhanced spectral image to a maturity discrimination knowledge base of the tea to obtain a preliminary maturity result; and performing confidence weighting on the preliminary maturity result to obtain a target maturity; the present application can improve the efficiency of tea maturity detection.
Owner:SHAANXI LINGNAN SILK ROAD RED ECOLOGICAL AGRICULTURE DEVELOPMENT CO LTD

A multi-spectrum artificial sunlight artificial climate chamber

The application discloses a kind of multispectral artificial simulation sunlight artificial climate chamber, it is related to the technical field of climate chamber, including base, the base top is fixedly connected with light house, the light house top is fixedly connected with roof, the roof top is provided with sunlight simulation mechanism, it is related to the technical field of climate chamber, by setting sunlight simulation mechanism, periodically poking elastic strip in the rotating process of poking plate, make swing plate slide and reciprocating swing in the outer wall of sliding strip, to realize the multispectral light strip of fixedly connected in the bottom of swing plate drives multispectral light source to swing with wind, simulate natural light angle change, make plant light more evenly, promote its stem leaf natural growth to light, effectively improve photosynthesis efficiency, avoid local strong light burn simultaneously, realize more close to natural environment's growth control.
Owner:NINGBO PLANT INSTR CO LTD

Method for increasing the amount of michelia champaca essential oil

ActiveCN117296627BFertilising methodsEssential-oils/perfumesPlantletMichelia chapensis
The application discloses a method for improving the quantity of Michelia maclellandii oil, which comprises the following steps: (1) covering the top of Michelia maclellandii seedling with a shading net, wherein the light transmittance of the shading net is 75-85% during March to July, the light transmittance of the shading net is 35-45% during August to October, and the shading net is subjected to full natural light during November to next February; meanwhile, fertilizers are sprayed every 25-35 days during April to September; (2) picking fresh leaves of Michelia maclellandii in the second year, and extracting oil. Through strictly adjusting the light conditions in different months, the fertilizing mode during the growth of Michelia maclellandii, and cooperating with the timing of branch and leaf pruning, fresh leaf picking and oil extraction, the fresh leaf weight and the oil yield of fresh leaves of the Michelia maclellandii seedling are greatly improved, so that the total oil yield of the Michelia maclellandii oil is greatly improved.
Owner:GUANGDONG ACAD OF FORESTRY

Construction method of above-ground part of underground space lighting system

The present application provides a method for constructing the above-ground portion of an underground space lighting system, which includes erecting a vertical bracket, installing a first reflector on the top of the vertical bracket, installing a fiber optic connector and a fiber optic bundle below the first reflector, making a multi-angle reflector, and laying the multi-angle reflector on the ground outside the first reflector to form a ring-shaped reflective strip, thereby solving the lighting problem of the above-ground portion when natural light is used for illumination of the underground space.
Owner:CHINA GEZHOUBA (GRP) FIRST ENG CO LTD

Three-dimensional greening light supplementing device in subway station based on pedestrian stepping power generation

The invention relates to a three-dimensional greening light supplementing device based on pedestrian stepping power generation in a subway station. The device comprises a power generation module and a planting module, the power generation module comprises a rubber shell composed of rubber plates, a piezoelectric material is arranged in the rubber shell, and the piezoelectric material deforms under pressure to generate electric energy and outputs the electric energy through an electric wire; the planting module comprises a plurality of planting grooves which are vertically arranged, a light supplementing lamp strip is arranged at the bottom of each planting groove, the light supplementing lamp strips supplement light for green plants in the planting grooves below, and the light supplementing lamp strips are connected into the electric wire. The power generation module is directly laid on an existing floor tile, the power generation mode of an existing light supplementing device is optimized through the stepping power generation floor tile, the stepping power generation floor tile can be suitable for being used in different bad natural illumination scenes, on one hand, the indoor plant growth problem is effectively relieved, and on the other hand, the landscape greening effect can be improved on the existing basis.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP

Method for determining natural light duration, and electronic device

A method for determining natural illumination duration and an electronic device are provided, to more accurately determine a scenario in which a user is located and effectively determine natural illumination duration, to help the user improve vision. The method is applied to an electronic device having a display screen and includes: determining a current scenario based on a preset reference factor (S901), where the preset reference factor includes any one or more of ultraviolet intensity, illumination intensity, and locating signal strength; and counting current natural illumination duration towards cumulative natural illumination duration if the current scenario is a preset scenario (S902), where the preset scenario includes any one or more of an outdoor scenario, an indoor near-window scenario, and an outdoor blocked scenario.
Owner:HUAWEI TECH CO LTD

Method and equipment for breeding six-picture pheasants

The invention discloses a six-picture pheasant breeding method and equipment, and relates to the field of pheasant breeding, the six-picture pheasant breeding equipment comprises an outer box house, an inner box house is slidably mounted in the outer box house, a supporting plate is fixedly connected to the bottom end of the inner box house, a bottom scraper is fixed between the two sides in the outer box house, and a supporting rod is connected to the top end of the bottom scraper; an upper scraping plate is fixed to the top end of the supporting rod, the supporting plate is located between the bottom scraping plate and the upper scraping plate, a sliding groove allowing the supporting rod to slidably pass through is formed in the supporting plate, and when the weather is good, the inner box house is pulled out of the outer box house, the breeding space can be instantly enlarged by more than one time, and the inner box house is exposed in the external environment; the pheasants can be in direct contact with natural light and fresh air, the expanded space reduces crowding friction between the pheasants, the probability of occurrence of stress reactions such as pecking is reduced, and the quality of life of a group is remarkably improved.
Owner:天峨县畜牧管理站