111 results about "Artificial light" patented technology

The invention relates to the field of heliostat calibration, and discloses a scheduling method for calibrating heliostats through cooperation of artificial light sources and cameras in a large-scale heliostat field, and the method comprises the following steps: determining the heliostat range covered by each camera, determining the heliostat range covered by each artificial light source, and determining the heliostat range covered by each camera; the method comprises the following steps: determining the center and size of a light spot in an image shot by a camera when the heliostats are calibrated, determining the heliostats which can be calibrated in the coverage range of each artificial light source-camera combination, regarding each effective calibration combination as a node to construct an undirected graph, dividing the nodes into a plurality of groups through a graph grouping algorithm, and ensuring that the nodes in the same group are not connected with each other, therefore, all combinations in the same group can execute calibration in parallel. According to the method disclosed by the invention, the problem of affiliation misjudgment caused by light spot interference between heliostats is solved, possible shadow and shielding problems are avoided, dynamic scheduling of the artificial light source and the camera is realized, and invalid operation time is shortened.

Implementations of the disclosed subject matter provides a system having an artificial light source disposed at a distance from earth or other celestial body, where the artificial light source is configured to project one or more beams of light onto the earth or other celestial body. The system may include a photovoltaic array disposed in an area on the earth or other celestial body that is 200 m-20 km or more in any one dimension that is configured to receive the projected one or more beams of light and is configured to convert the received one or more beams of light into electricity.

The invention provides a self-adaptive adjustment method and system for light sensation illumination of a hotel environment, and is applied to the field of data processing. According to the method, multiple illumination collection points are arranged in the hotel room, multi-dimensional optical information such as illumination, color temperature and spectral deviation is collected in real time, and the regional synchronism judgment of the illumination change trend is combined, so that misjudgment caused by single-point abnormity, local shielding or reflective interference can be effectively checked, and when the trend is judged not to be synchronized, the judgment result is more accurate. And further introducing a calculation mechanism of an illumination weight, a user-defined illumination state and a natural light contribution value, dynamically identifying an actual influence range of the natural light in a space, and accurately distinguishing action areas of the natural light and the artificial light, so that an illumination suppression strategy is dynamically adjusted, and excessive or insufficient light supplementation is avoided.

The application provides an outdoor tracking-based photobiomodulation method and device. The method comprises: determining effective outdoor time of a user according to collected light exposure data of the user; determining a light compensation level of the user according to the effective outdoor time and a target effective outdoor time; determining photobiomodulation parameters and simulated light compensation parameters according to the light compensation level; when the user is in a specified light compensation scene, outputting artificial light simulating outdoor natural light characteristics according to the simulated light compensation parameters; and performing photobiomodulation on the user according to the photobiomodulation parameters, preset wavelength red light and near-infrared light. The application can achieve the purpose of a comprehensive system that comprehensively simulates outdoor light environment characteristics and integrates photobiomodulation, and provides a more complete solution for myopia prevention and control.

The present invention provides topical and internal skin preparations containing an extract of soapwort cultivated under artificial light with a specific wavelength range. [Solution] The soapwort of the present invention is cultivated by irradiating it with artificial light having a specific wavelength range, and the extract exhibits excellent collagen production promoting effect, MMP inhibitory effect, hyaluronic acid production promoting effect, cell proliferation promoting effect, and antioxidant effect. Furthermore, topical or internal skin preparations containing these effects are particularly effective and also exhibit excellent safety and stability. The soapwort extract of the present invention can be used not only in the field of beauty, such as preventing skin aging, but also in the field of medicine, such as suppressing functional decline due to aging, and is expected to be applied to cosmetics, foods, quasi-drugs, and pharmaceuticals.

Miniature lighting device characterized in that it consists of one or more elements made entirely or partially of phosphorescent material, wherein these elements absorb energy during exposure to natural or artificial light and release it again in the dark in the form of visible afterglow.

The light energy charging lamp comprises a shell, a circuit board and a rechargeable battery are arranged in the shell, a light source is arranged on the circuit board, the battery is electrically connected with the circuit board and the light source, and a light transmitting area is arranged on the shell corresponding to the light emitting position of the light source. A perovskite photovoltaic panel used for converting light energy into direct current is further arranged in the shell, a solar controller is further arranged on the circuit board, and the solar controller is used for adjusting the voltage and current of the direct current generated by the perovskite photovoltaic panel and storing the voltage and current in the battery so as to achieve automatic charging of the battery. When people use the lamp indoors, the lamp can be charged through weak natural light or an artificial light source, when people use the lamp outdoors, the lamp can be charged through sunlight, and long-time convenient illumination is guaranteed for people. Moreover, due to automatic charging, manual charging operation is omitted, light energy is effectively utilized, and resource waste is reduced. And on the other hand, no charging wire or mains supply is needed for charging, so that carrying and using outside are facilitated.

This invention discloses a method for enhancing the aroma of C6 aldehydes in cucumber fruits through artificial lighting, belonging to the field of plant cultivation technology. The method includes: when the intensity of natural light outside the facility reaches 60 μmol·m⁻¹… 2 ·s ‑1 Subsequently, cucumber seedlings in the facility were treated with red and blue light supplementation, with a red-to-blue light quality ratio of 3:1. The average photosynthetically active radiation after the LED artificial lighting tubes were accumulated was 424 μmol·m⁻¹. 2 ·s ‑1 The highest photosynthetically active radiation is 502 μmol·m⁻¹. 2 ·s ‑1 This invention discloses a method for enhancing the aroma of C6 aldehydes in cucumber fruits through artificial lighting, thereby increasing the net photosynthetic rate of cucumbers by 39.59% to 47.29% and the content of C6 aldehyde aromas by 31.1% to 37.52%, with the characteristic effect compound hexanal increasing by 38.14% to 46.17% and (E)-2-hexenal increasing by 26.76% to 41.06%.

The invention discloses a plant factory full-band artificial light source system and a light environment self-adaptive intelligent dynamic adjustment method, and the system comprises a multi-band light source array which is composed of a visible light LED module, an ultraviolet light source module and a near-infrared heat source module which are independently divided according to spectral bands, and each module is provided with an independent constant-current drive circuit and a millisecond switching control unit, the controllable spectrum covering 400 nm to 1000 nm and partial ultraviolet and far infrared ranges can be output, and rapid switching and light mixing between wave bands can be achieved in the same plane. Through a modularized multi-band light source and independent driving, on-demand spectrum matching within the range of 400 nm to 1200 nm is achieved, ineffective radiation caused by traditional full-spectrum continuous irradiation is avoided, the actually-measured photosynthetically active radiation utilization rate is increased by about 32%, the overall energy consumption is reduced by 25% to 30% compared with a conventional system, and embedded spectrum monitoring and a TCN-RL mixed model are combined, so that the system has the characteristics of environmental abrupt change, high sensitivity and the like. Or conversion of different growth stages of crops can be realized, spectrum ratio adjustment can be completed within less than or equal to 20ms, and plant population light environment optimization is realized.

The invention provides a planting method of hydroponic lettuce, and relates to the technical field of vegetable cultivation. According to the planting method for hydroponic lettuce, after field planting and hydroponic culture are conducted on lettuce seedlings, a combined artificial light source with the red-blue light ratio being (3-7): 1 is adopted for irradiation; the EC value of the nutrient solution after field planting and before harvesting is 0.8-1.5 mS / cm. According to the planting method of the hydroponic lettuce, after the lettuce seedlings are subjected to field planting and hydroponic culture, red and blue light quality regulation and nutrient solution concentration adjustment are added, a hydroponic lettuce growth synergistic system is constructed through the red and blue light quality regulation and nutrient solution concentration adjustment, the growth system is optimized, high-quality growth of the hydroponic lettuce is achieved, synthesis of secondary metabolites is stimulated, and the yield of the hydroponic lettuce is increased. Flavor substances are accumulated, the vitamin content is increased, and the nitrate content is reduced, so that the lettuce quality is improved, the calcium content is increased, the transpiration is enhanced, and the problem of edge burning is effectively solved.

This invention discloses a method and system for quantifying the color discrimination ability of both natural and artificial light sources. The method first measures the spectral power distribution of the light source to be evaluated. S ( l The illuminance E was then calculated; subsequently, the neutrality index of the light source was calculated in a uniform color space. S neutral The continuous color difference index (SCD) is calculated based on the chromaticity values ​​of a set of continuous color samples in a uniform color space; a segmented illuminance correction function is output according to the illuminance range; finally, the neutrality index is... S neutral The continuous color difference index (SCD) and illuminance correction function are uniformly input into a preset light source color discrimination capability quantification model G to calculate a comprehensive evaluation value. This invention comprehensively quantifies color discrimination capability from three dimensions: spectral characteristics of the light source, neutrality, and illuminance level. It effectively solves the technical problems of existing models failing to represent the spectrum under natural light and being unable to accurately quantify the nonlinear visual response of the human eye under extremely large illuminance spans.

The utility model discloses a ventilation mechanism for an artificial light seedling raising room, which is applied to the field of seedling raising rooms and comprises a shell, a fixing frame is bolted on the inner wall of the shell, a first motor is bolted on the surface of the fixing frame, and the output end of the first motor is connected with a rotating shaft through a coupler; the rotating block is rotated to enable the rotating rod to drive the connecting rod to move, the connecting rod moves to drive the clamping head to move and be disengaged from the clamping hole, and the fixing block and the fan blades are taken down for maintenance, so that the purpose of conveniently assembling and disassembling the fan blades can be achieved, the workload is reduced, and the working efficiency is improved; the second motor rotates to enable the worm to drive the worm gear to rotate, the worm gear rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the baffle to rotate, so that the baffle is changed from a horizontal state to a vertical state, the blocking function can be achieved, heat loss is avoided, the heat preservation efficiency is improved, and use is convenient.

A device for conditioned cultivation of a crop (5) comprises a conditioned, at least substantially daylight-free cultivation space (10) with a cultivation section (15) for receiving the crop. Artificial lighting means (30) for creating and emitting to the cultivation section photosynthetically active artificial light are present therein. The cultivation space (10) comprises in a higher zone (ZH) above a leaf system of the crop an air inlet (21) and an air outlet (22). Air treatment means are provided for creating and maintaining a primary airflow between the air inlet (21) and the air outlet (22) in the higher zone (ZH). A distributed conduit system (55) is arranged under the leaf system of the crop in a lower zone (ZL) of the cultivation space. The conduit system (55) is distributed over the cultivation section and provides between the crop plants a number of inlet openings which are coupled to the air treatment means for the purpose of introducing in the cultivation space part-flows of a secondary airflow (Ls) into the lower zone (ZL) of the cultivation space.

Provided herein is the identification of markers and genes associated with flower initiation in Cannabis. The markers are useful for breeding Cannabis plants that initiate flowering at longer daylengths, which allow for earlier maturation and harvesting and ability to grow outdoors at different latitudes or in greenhouses without artificial light deprivation. Also provided are methods for selecting plants by obtaining nucleic acids and detecting one or more markers that indicate flower initiation at increased daylight hours in order to establish plant lines having shorter harvest period as a result of flowering at increased daylight hours.

This invention provides a visibility monitoring method and apparatus suitable for automated deformation monitoring. A CNC pan-tilt unit, a high-resolution camera, a monocular telescope, and a control terminal are set up at the observation and shooting point. At each monitoring target point, a prism, an artificial light source, and a light sensor are set up. The visibility monitoring process includes placing the CNC pan-tilt unit and high-resolution camera next to the measuring robot station; acquiring daytime and nighttime images; statistically analyzing the grayscale histograms of the daytime images at each monitoring target point; calculating the center coordinates and radius of the circle formed by the artificial light source as a circular spot in the nighttime images at each monitoring target point; setting thresholds for the daytime grayscale histogram, and for the center coordinates and radius of the nighttime artificial light source based on the statistical information; acquiring daytime or nighttime images of the monitoring target points during actual deformation monitoring; determining whether the visibility meets the requirements; and verifying the results using other monitoring target points.

The invention relates to a plant factory lettuce whole-growth-period dynamic light environment regulation and control method. The method comprises the steps that whole-growth-period staged light environment parameters are designed; building plant growth parameters in different development stages; a matched intelligent regulation and control system is built by using the whole growth period staged light environment parameters, the plant growth parameters in different development stages, the GA-BP neural network and the dynamic fine adjustment rule, the dynamic fine adjustment rule is set, the current light environment is finely adjusted, and a more balanced regulation and control scheme is obtained. Compared with traditional constant red and blue light, four-stage dynamic regulation and control has the advantages that the light energy utilization rate is increased by 27.3%, the energy consumption of artificial light is reduced by 20.1%, and the problem of high energy consumption in the background technology is solved; according to the same test data, the fresh weight of a single plant of the Italian lettuce treated by the method is 45.2 g, and is improved by 17.4% compared with 38.5 g regulated by single-stage far-red light; the content of soluble sugar is 3.2%, the content of VC is 26.5 mg / 100g and is respectively increased by 14.3% and 12.3%, and the yield and the quality are both excellent.

This invention belongs to the field of image generation technology and discloses a method and system for modeling the distribution of artificial light at night at an urban scale. The invention acquires nighttime light remote sensing image data, land use type vector data, ground elevation data, and building morphology vector data of the study area; it uses the land use type vector data to perform super-resolution enhancement processing on the nighttime light remote sensing image data; based on the building morphology vector data and ground elevation data, it generates fixed-resolution three-dimensional point cloud data within the study area; based on the above data, it obtains horizontal and vertical radiance values; and it assigns the radiance values ​​to the three-dimensional point cloud to visualize the distribution of artificial light at night at an urban scale. This invention enables three-dimensional modeling of nighttime light field distribution at an urban scale.

The present application belongs to the technical field of night rotating target detection, and particularly relates to a rotating target adaptive detection method for unmanned aerial vehicle night aerial photography scene. The present application constructs an end-to-end rotating target adaptive detection mechanism for unmanned aerial vehicle night aerial photography scene through the cooperative processing mode of image decomposition, illumination enhancement, color correction and rotating target detection, realizes effective enhancement and accurate extraction of vehicle target texture information, edge information and direction features in the night low-illumination environment, and through decomposition of night unmanned aerial vehicle aerial photography image into reflection component and illumination component, can perform targeted brightness enhancement on the low-illumination area on the basis of preserving the original structure texture of the vehicle, thereby reducing the influence of dark noise on the target feature extraction process, and through color correction processing on the reflection component, can effectively inhibit the color deviation and local color distortion problems caused by night complex artificial light source, and improve the color authenticity and structure consistency of the enhanced image.

The hydroponic leaf vegetable vertical planting device comprises a hydroponic device and a lifting mechanism movably connected with the hydroponic device, the hydroponic device comprises a side plate assembly and a plurality of hydroponic assemblies sequentially arranged on the side plate assembly from top to bottom, and the hydroponic assemblies are separately connected with a grabbing mechanism. The grabbing mechanism is arranged on the lifting mechanism in an up-down moving mode, the bottom end of the lifting mechanism is connected with the supporting moving mechanism, and the supporting moving mechanism is in limiting connection with the side plate assembly. According to the vertical planting device for the hydroponic leaf vegetables and the planting method of the vertical planting device, the planting space of the leaf vegetables can be increased, meanwhile, convenient operation can be achieved, soil is not needed, a plant nutrient solution and an artificial light source are prepared manually, and the planting efficiency is greatly improved through a three-dimensional vertical planting mode in cooperation with a movable structure capable of being adjusted up and down. The purpose of three-dimensional vegetable planting indoors or in a greenhouse is achieved, and the operation of the high planting unit becomes safe and convenient.

The application discloses a kind of artificial light aggregate with multistage gradient structure, belong to artificial light aggregate technical field.The artificial light aggregate of the application includes from inside to outside distribution core, light transition layer, sub-light transition layer and shell;The raw material of core includes multi-source solid waste material and rapid foaming agent;The raw material of light transition layer includes multi-source solid waste material, rapid foaming agent and slow-release pore-forming agent;The raw material of sub-light transition layer includes multi-source solid waste material and slow-release pore-forming agent;The raw material of shell includes multi-source solid waste material and additive.The artificial light aggregate of the application, its bulk density and 1h water absorption are lower, cylinder pressure strength and specific strength are higher, have good application value.

The application discloses an aurora brightness inversion method based on satellite remote sensing data, and comprises the following steps: constructing an atmospheric transmittance lookup table based on VIIRS night light data, inverting DNB band surface reflectivity and calculating moonlight radiation brightness; establishing a radiation transfer equation containing aurora uplink radiation, surface reflected aurora radiation and surface reflected moonlight radiation, and solving aurora real brightness pixel by pixel; and removing abnormal high brightness signals and urban artificial light interference, and obtaining spatially continuous and stable annual aurora brightness distribution through annual scale synthesis and spatial interpolation smoothing. The application can realize wide-range, quantitative and long-time sequence aurora brightness monitoring, effectively overcome the shortcomings of ground-based observation and numerical simulation, and provide reliable technical means for spatial weather research and polar environment monitoring.

The present application relates to the field of plant cultivation, and discloses a method for promoting flowering and improving pollen activity of strawberries to solve the technical problem of how to improve the yield of strawberries.The method for promoting flowering of strawberries comprises the following steps: planting strawberries by using an LED light source as a light source, wherein the percentage of blue light photon flux density in the total photon flux density is 31%-74%, the percentage of green light photon flux density in the total photon flux density is 0%-42%, and the percentage of red light photon flux density in the total photon flux density is 26%-27%.The method for promoting flowering of strawberries can increase the number of present bud plants and the number of production bud plants.The present application also provides a method for improving the pollen activity of strawberries, which can significantly improve the pollen activity of strawberries.The method is beneficial to improving the yield of strawberries in artificial light plant factories, and thus improves the economic benefits.

This utility model relates to the technical field of deep foundation pit protective railings, and in particular to a protective railing for deep foundation pit construction sites. It includes posts and a base. The base is fixedly connected to the lower end of the post. Multiple supports are equidistantly fixed to both sides of the outer wall of the post. Multiple protrusions are equidistantly fixed to the left and right ends of the outer wall of the protective railing. Each protrusion has a plug fixed to its lower end, and the plug is inserted into the supports. Through the cooperation between the posts, plugs, slots, the protective railing, and hooks, and by using counterweights and the self-weight of the protective railing, the protective railing is stably installed between adjacent posts. It also effectively alerts nearby workers at night by reflecting moonlight or weak artificial light through reflective sheets. This effectively avoids the need for four to six bolts to connect the protective railing grid and the posts, which hinders quick disassembly and replacement, and fails to alert workers to the protective issue in low light conditions.

This invention discloses an integrated spatial structure and light control method for combining light collection, filtering, and supplementary lighting, belonging to the field of architectural engineering technology. The structure consists of a load-bearing system and a lighting system: the load-bearing system is a spatial structural unit with an umbrella-ribbed column cap force transmission unit as its core, including columns, foundations, umbrella base components, umbrella top components, and a roof; the lighting system includes roof lighting units, ETFE membrane units, and artificial lighting units, respectively installed on the top surface of the umbrella top component, the curved surface enclosing the umbrella ribs, and the umbrella base component. Each unit is aligned with the column centerline as a common axis, and the load-bearing system and lighting system are deeply integrated to form an integrated spatial structural unit. It is prefabricated in the factory and assembled on-site, arranged in an array according to lighting requirements to form the overall structure. This invention eliminates glare and blind spots under columns through two-stage filtering and softening of natural light and coaxial supplementary artificial light, avoiding visual abrupt changes. It also boasts advantages such as structural safety, excellent lighting environment, and efficient construction, making it suitable for large-span public buildings.

This invention discloses a cultivation method to improve the propagation efficiency of Rhodiola rosea, relating to the fields of plant cultivation and seed propagation technology. The cultivation method includes: (1) Seedling stage: after being treated with hormones, the seeds are sown in a light substrate and cultivated for 6-12 months to obtain strong seedlings; (2) Hydroponic transplanting and flowering induction stage: the strong seedlings are transplanted to a hydroponic system, and photoperiodic induction is performed using an artificial light source with a red-blue spectrum ratio of 1:1, combined with the phased adjustment of nutrient solution and the spraying of exogenous hormones to synergistically induce reproductive growth; (3) Pollination and seed collection stage: the seeds are collected after assisted pollination. This invention shortens the seed-to-seed cycle of Rhodiola rosea from the traditional 6 years or more to 2-3 years through multi-factor synergistic regulation, significantly improving the flowering rate and seed yield per plant, increasing the propagation efficiency by more than 99%, and is applicable to different ecotype seed sources, with the advantages of strong operability and good universality.

Medicinal eyewear and optical devices are disclosed. A wearable eyewear device includes a lens and a passive light conversion material integrated within at least a portion of the lens. The passive light conversion material is configured to absorb ambient wavelengths of light from at least one of sunlight or artificial light sources and convert at least a portion of the absorbed ambient light into at least one therapeutic wavelength of photobiomodulation (“PBM”) light within a range of 600 nm to 1200 nm. The lens is configured to direct the PBM light toward the user's eye.

The present application relates to a kind of control method of whole artificial light plant factory illumination temperature coordination based on daily cumulative light quantity control, and the DLI of different varieties and growth period is set to light supplement, and the temperature between cultivation layer is monitored in real time. Once temperature exceeds the upper limit threshold of set illumination adjustment temperature, system will automatically adjust the illumination intensity to 2 / 3 of original setting, and recalculate the light supplement duration;After a period of time after adjusting light supplement, if temperature still exceeds the upper limit threshold, illumination intensity is further reduced to 1 / 2, until temperature returns to the ideal range;This process will be repeated continuously in the whole photoperiod, to ensure the best coordination of illumination and temperature, so as to prevent the phenomenon of burning tip of plant.

The invention provides an energy and water resource self-sufficiency type plant factory. The plant factory comprises a plant cultivation unit which comprises an artificial illumination system, an air conditioning system and a nutrient solution circulating system; the water collecting unit comprises a condensing device and an adsorption device; an energy storage unit; the photovoltaic power supply unit comprises a photovoltaic module array and a power supply circuit system and is used for converting solar energy into electric energy and supplying the electric energy to the plant cultivation unit and the water collection unit, and the residual electric energy is stored in the energy storage unit; the control unit is used for monitoring and controlling the running states of the plant cultivation unit, the water collection unit and the photovoltaic power supply unit respectively, monitoring the relative humidity of the external environment of the factory, and starting the condensing device to obtain condensed water when the relative humidity is greater than a specified value; when the relative humidity is smaller than or equal to a specified value, the adsorption device is started to obtain condensed water, and the condensed water is at least supplied to the nutrient solution circulation system.

A self-contained, wireless window system integrates lighting natively within the window frame, sash, or glazing bead while maintaining full architectural transparency. The window incorporates visibly transparent electricity- generating glass, such as transparent photovoltaic or luminescent solar concentrator glass, which harvests renewable energy during daylight hours. Harvested energy is stored in an internal energy storage element and used to power integrated lighting elements without external wiring or manual recharging. Window-native lighting may provide safety lighting, ambient lighting, tunable or multicolored illumination, and adaptive smart lighting functions. The system positions the window as a central platform for managing natural and artificial light, solar heat gain, glare, privacy, and security. Integrated power management coordinates energy harvesting, storage, and deployment to enable sustainable operation. Lighting and other applications may be controlled via local hardware, smartphone applications, cloud- based systems, or Al-driven adaptive control, delivering a curated interior lighting and comfort experience.

The invention disclosed herein relates to methods for growing plants, in particular methods for growing a plant under such conditions that a young plant with a better quality is obtained and / or a young plant is obtained sooner, as compared to a standard outdoors-grown plant. The disclosure also relates to a plant per se, an arrangement to carry out said methods, a plant cultivation facility comprising said arrangement, as well as a use of artificial light to accelerate the growth of a plant.