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187 results about "Light pollution" patented technology

Light pollution, also known as photo pollution, is the presence of anthropogenic and artificial light in the night environment. It is exacerbated by excessive, misdirected or obtrusive uses of light, but even carefully used light fundamentally alters natural conditions. As a major side-effect of urbanization, it is blamed for compromising health, disrupting ecosystems and spoiling aesthetic environments.

Passivation solution for hot-dip galvanized workpiece, and preparation method and use method thereof

The invention relates to the field of coating materials, and discloses a passivation solution for a hot-dip galvanized workpiece as well as a preparation method and a use method.The passivation solution is prepared from organic pottery clay, titanium dioxide, ethylene-vinyl acetate copolymer emulsion, waterborne epoxy silicon resin, a silane coupling agent, a coloring agent, filler, an auxiliary and water. The problem of light pollution in areas with high illumination intensity can be effectively solved, workpieces and vegetation in natural scenic areas are organically fused to form beautiful scenery lines, and the technical problems of high cost and weak corrosion resistance of green coatings caused by the fact that green towers are achieved by coating green paint at present can be effectively solved. And the pole tower is green, attractive and good in economic benefit.
Owner:CHONGQING YUHUANG ELECTRIC POWER EQUIP MFG

Intelligent night lamp control method and device based on multi-mode AI, equipment and medium

The invention provides an intelligent night lamp control method, device and equipment based on multi-mode AI and a medium, and is suitable for the technical field of digital dimming, and the method comprises the steps: carrying out the feature extraction of sensor data, and obtaining an environment feature data set, performing spatio-temporal behavior identification of each user and segmentation of an activity area on the environment feature data set to obtain a target area and a non-target area, calculating a preliminary illumination parameter set according to the environment feature data set, the target area and the non-target area, and performing light pollution simulation evaluation on the preliminary illumination parameter set according to the non-target area to obtain a light pollution index, and performing multi-target constraint optimization on the preliminary illumination parameter set according to the light pollution index to obtain an adjustment illumination parameter set, and performing signal modulation on the adjustment illumination parameter set according to the equipment data to generate a night lamp control signal. According to the method and the device, directional, low-interference and energy-saving safe illumination for the user getting up at night is realized through region segmentation based on user behavior recognition and regional preliminary dimming.
Owner:SHENZHEN DOCTORS OF INTELLIGENCE & TECH CO LTD

Intelligent energy-saving regulation and control system and method for air volume of environmental dust removal system in coke pushing process

The invention relates to the technical field of intelligent control, in particular to a coke pushing process environment dust removal system air volume intelligent energy-saving regulation and control system and method, and the system comprises a process signal module, an image sensing module, a dynamic infrared module, a real-time flue gas analysis module and a dust removal air volume control module. In the invention, the air volume regulation of the dust removal equipment is not a fixed and extensive mode any more, but is converted into a four-gear variable-speed intelligent response matched with the actual smoke dust load, the dust removal equipment runs at a low-energy-consumption gear when the smoke dust generates initial stage or light pollution, and the air volume is gradually increased along with the rising of the smoke dust load, so that the dust removal efficiency is improved. When large-scale smoke dust leakage caused by equipment faults or extreme working conditions is monitored, the highest-gear full-force trapping is immediately started, the treatment effect is ensured, and the regulation and control according to needs not only improves the smoke dust trapping efficiency and effectively restrains unorganized emission, but also reduces the operation energy consumption of a dust removal system, and realizes double improvement of environmental protection benefits and economic benefits.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1

Household LED energy-saving lamp

The invention relates to the technical field of LED energy-saving lamp structures, in particular to a household LED energy-saving lamp which comprises an LED lamp set, the LED lamp set comprises an LED bulb end, a lampshade is arranged at the bottom end of the LED bulb end, a threaded power connection column is arranged at the top end of the LED bulb end, and a reflection part is movably arranged on the surface of the LED bulb end in a surrounding mode. A cleaning part is arranged on the outer side of the connecting end of the lampshade and the end of the LED bulb, the LED lamp set forms a core light-emitting part of the lamp, the end of the LED bulb provides a light source, the lampshade is used for diffusing and protecting the light source, and the threaded power connection column facilitates installation and electrical connection. According to the invention, through a reflection part formed by the adjustable movable cover plate and the reflector, the reflection angle and the condensation degree of light can be flexibly controlled, and the switching between a condensation mode and a floodlight mode is realized, so that the dissipation of the light is effectively reduced, the irradiation of a non-target area is avoided, the energy waste and the light pollution are reduced, and the service life of the light source is prolonged. And meanwhile, the illumination pertinence and the comfort degree are improved.
Owner:SHENZHEN SANBUM OPTOELECTRONICS CO LTD

Method and system for simulation of light pollution by satellite system

The disclosed technology is generally directed to a method for simulating light pollution by a satellite system including at least one satellite. In one example of the technology, the method may include receiving orientation and solar panel parameters associated with the satellite, a position of the Earth with respect to the Sun, importing a database including multiple point of interests (POIs) on the Earth, and determining a surface roughness parameter of the satellite using a Gaussian distribution model. Based on the orientation and solar panel parameters, the position of the Earth, and the surface roughness parameter: simulating the light pollution by the satellite to iteratively determine the light pollution at the POIs. The method may include storing the light pollution determined at the POIs in a buffer and dynamically rendering a user interface to display a visualization representing the light pollution by the satellite at the POIs.
Owner:WILDSTAR LLC

Three-dimensional integrated environmental management system for highway tunnel

The invention discloses a three-dimensional integrated environment treatment system for a highway tunnel, and relates to the field of tunnels, a high-voltage electrode is laid on a step surface, and a multi-layer staggered flow guide plate is arranged above the step surface; the multiple stages of step units are filled with negative ion mineral composite material layers. The UV-LED array is integrated above the multi-stage step unit and is used for emitting ultraviolet light with the wavelength of 254nm and / or 365nm; the multi-stage step unit is coated with the photocatalyst coating; the wall washing lamp is arranged at the side part or the bottom of the multi-stage step unit and is used for irradiating a gas-water mixture flowing through the step; the water circulation purification unit is arranged below the multi-stage step unit and used for collecting and purifying waterfall water flow, and purified water flows back to the first water outlet end to be recycled. According to the invention, light pollution, noise pollution and air pollution are treated as an integral system. And the integrity and the collaboration of the three-dimensional integrated environment treatment system are realized.
Owner:SICHUAN ZONGHENG JIAOAN TECH CO LTD

Gap measurement method

The invention belongs to the technical field of visual sensors, and particularly relates to a gap measurement method which is used for describing a gap in a segmented manner, describing the whole gap based on a segmented manner, establishing a surface point cloud of the gap by using a fringe projection structured light three-dimensional measurement technology, and extracting a boundary point cloud of the gap by using a binocular fringe-free picture. Fitting the surface point cloud and the boundary point cloud to solve the problem of large noise point quantity at the boundary in the measurement process of the binocular fringe projection structured light system; and meanwhile, the reference plane and the reference line are fitted by depending on the existing point cloud data, so that the fitting error is reduced. On the basis of improving the gap measurement precision, the method can be suitable for measurement of complex gaps which are long and narrow in gap shape, have light pollution, have low-frequency micro-amplitude vibration, have external shielding and have dynamic non-uniform deformation in the length direction in the fields of aerospace, rail transit, precision manufacturing, heavy industry and the like.
Owner:ZHENSHI MEASUREMENT TECHNOLOGY (WUXI) CO LTD

Mounting rack with sleeve structure for random laser experiment

ActiveCN223809421ULaser constructional detailsRandom laserLight pollution
The utility model provides a random laser experiment mounting rack with a sleeve structure, which comprises a rack body, a mounting table, an objective table, a clamping assembly, an adjusting assembly, a shading cylinder and an adjusting disc, the side surface of the shading cylinder is provided with an entrance port and an exit port, the adjusting disc is rotatably arranged on one side of the shading cylinder, a plurality of lenses are detachably arranged on the adjusting disc, and the lenses are fixed on the rack body. A sample is fixed to the objective table through the clamping assembly, the whole sample is covered with the shading cylinder, laser irradiates the sample from the incident port and is emitted out from the emergent port, most of light is shaded through the shading cylinder, light pollution is reduced, the position, irradiated by the laser, of the sample can be adjusted by adjusting the position of the objective table through the adjusting assembly, and experimental research is facilitated; and the different lenses are driven to be aligned with the emergent ports by rotating the adjusting disc, so that the light rays can be researched at different refraction angles, the operation is simple, and various experiment requirements can be met.
Owner:QIONGTAI TEACHERS COLLEGE

Scene-driven multi-mode coordinated regulation system for external counterpulsation therapy

The invention discloses a scene-driven multi-mode coordinated regulation system for external counterpulsation treatment. The scene-driven multi-mode coordinated regulation system comprises a central processing unit, the signal acquisition module is used for acquiring physiological signals of a patient in real time; the temperature and humidity adjusting module monitors the temperature and humidity of the environment where the patient is located in real time through a temperature and humidity sensor; the illumination intensity adjusting module adopts a mode of combining natural light and artificial illumination, and uses a soft light source to reduce light pollution; the air quality adjusting module is used for reducing the concentration of pathogens in air through a fresh air system, exhaust equipment and an air purification device; the sound adjusting module is provided with an audio player; the signal processing module is used for processing data of the signal acquisition module and other modules; the system has the advantages that timely and accurate response is made to environmental changes, and environmental parameters are automatically adjusted according to monitored physiological signals of a patient, so that the optimal comfort level is achieved.
Owner:GUANGZHOU YIDIAN MEDICAL DEVICES CO LTD

An intelligent lighting device

The application discloses an intelligent lighting device and relates to the technical field of intelligent lamps.The device comprises a lampshade, the lampshade comprises an outer cover and an inner cover, a gap is arranged between the outer cover and the inner cover, the outer cover and the inner cover are coaxially arranged and are connected through a plurality of light isolation sheets, the light isolation sheets are equidistantly distributed around the axis of the outer cover and the inner cover, and the light isolation sheets are connected through a surrounding sheet between the axis of the outer cover and the inner cover.The application forms a plurality of independent light source cavities through the outer cover and the annular inner cover nested structure, the light isolation sheets and the surrounding sheet, and the physical separation design effectively solves the pain point of the light efficiency dispersion of the traditional lamps, each cavity is equipped with an independent bulb and supports independent disassembly, not only realizes the physical isolation of the light source to reduce light pollution, but also reduces the maintenance cost through the clamping seat type fixing structure, when local illumination is needed, the specific cavity can be accurately lighted, compared with the overall illumination mode of the traditional lamps, the energy consumption can be obviously reduced.
Owner:HUBEI ZHONGFEI INTELLIGENT LIGHTING GRP CO LTD

Environment-friendly illuminating lamp on tower crane

The environment-friendly illuminating lamp comprises a lamp cap and a lamp holder, the lamp holder is in a C shape, the lamp holder comprises a base plate and two side plates, the lamp cap is fixed between the two side plates, the base plate is provided with an installation hole used for being fixed to the tower crane, a rotating shaft installation plate is fixed to the side, located at the front end of the lamp cap, of one side plate, and the rotating shaft installation plate is fixed to the other side plate. A rotating rod is rotationally connected to the rotating shaft mounting plate, one end of the rotating rod extends to the middle position below the lamp holder, a baffle supporting rod perpendicular to the rotating rod is arranged on the rotating rod, and a shielding plate capable of being attached to the lamp holder is fixedly connected to the top end of the baffle supporting rod. The lighting lamp can be partially shielded at night, light pollution is reduced, in the daytime, the rotating rod is rotated, the shielding plate is rotated to be horizontal, and the baffle supporting rod is located below the lamp holder and cannot be influenced by flying dust, so that the light pollution problem of the lighting lamp on the tower crane can be solved, the lighting lamp can be used for a long time, and short-term overhaul is not needed.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Collecting and associating method for native codes and endowed codes in traceability process and scanning and endowing all-in-one machine

The invention relates to the technical field of data processing, in particular to a collection and association method for native codes and engraved codes in a traceability process and a scanning and endowing all-in-one machine. The collection and association method for the native codes and the engraved codes in the traceability process and the scanning and endowing all-in-one machine are used for collecting and associating the native codes and the engraved codes in the traceability process. According to the method, on the basis that the scanning and endowing all-in-one machine is provided with a height adjusting unit, a code scanning unit, a code endowing unit, a code engraving unit and a sending unit, the code scanning height can be adjusted according to the material type of the incoming material, the code scanning unit is started for code scanning only when the incoming material is detected, and an endowing code and an original code can be stored in an associated mode. Therefore, automatic code scanning and automatic code assigning of the materials are achieved, the method can adapt to various materials, energy consumption and light pollution are reduced, associated storage of the native codes and the engraved codes is achieved, and material traceability is facilitated.
Owner:CHANGSHA ANLIWEI POWER TECH CO LTD

Flat internal reflection shutter type solar concentrator with curve distribution mirror field

The invention relates to a flat internal reflection shutter type solar concentrator with a curved distribution mirror field, which comprises a mirror field consisting of a plurality of long-strip-shaped reflector units, a reflector rotating shaft, a reflector angle adjusting mechanism, a side surface supporting plate of the mirror field and a solar receiving component. The mirror field faces the outer side of the building, and the solar energy receiving component faces the interior of the building; the reflector units are installed on the side face supporting plate through independent reflector rotating shafts, and the center points of the reflector rotating shafts are distributed on the side face supporting plate in a curve mode. The reflector angle adjusting mechanism is connected with the reflector rotating shafts and used for driving the reflector units to rotate so as to adjust the reflection angles of the reflector units in real time, and incident sunlight is converged to the solar receiving component after being reflected. Compared with the prior art, the light condensing efficiency is improved, and the optical performance is optimized; light pollution is avoided; the structure is compact.
Owner:TONGJI UNIV

Method and system for generating visual effects video

This invention discloses a method and system for generating visual special effects videos, relating to the field of video generation technology. The invention includes: multimodal data acquisition and preprocessing, synchronously acquiring RGB video, depth maps, and ambient lighting data to generate a registered 3D point cloud; spatiotemporal joint motion compensation keying to extract alpha masks of moving objects; adaptive illumination separation edge cleanup to eliminate light pollution and edge color bleeding in green screen scenes; a multi-scale transparency estimation network to output a transparency map; dynamic special effects synthesis and output to ensure video smoothness; and intelligent recommendation of special effects videos to implement an adaptive output strategy. This invention improves keying and edge processing accuracy, enhances transparency estimation and special effects synthesis, implements intelligent recommendation and resource optimization, and addresses the shortcomings of existing technologies in dynamic scene processing.
Owner:XIXIAN TECH CO LTD

Energy-saving street lamp lighting structure for urban streets

The utility model discloses an energy-saving street lamp lighting structure for urban streets, which comprises a lighting end, an energy supply end, a single control module and a joint control module, the energy supply end is respectively connected with the lighting end, the single control module and the joint control module, the single control module controls the full lighting duration of the lighting end, and the joint control module controls the lighting end to be turned on for a short time. The LED street lamp has the advantages that the LED street lamp has good structural strength, meets the requirement for sufficient illumination in the peak period of nighttime travel, and can be in an extinguished state when no object is used on a road section; 2, light pollution and energy waste caused by night full-time-domain illumination of urban streets are avoided, the construction is simple, and the natural environment and human settlement environment improvement effect is good; 3, the system is applied to the field of urban street lighting, the urban lighting efficiency is improved, energy conservation is facilitated, and meanwhile, the problem of urban night full-time-domain lighting is solved; and 4, a new thought is provided for energy-saving street lamp illumination construction of urban streets, and the energy-saving street lamp has better popularization and application values.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST (GRP) CO LTD

A method and apparatus for tracking the head of a rolled piece for a hot rolling and coiling line

The application relates to a rolling piece head tracking method for a hot rolling and coiling production line, the hot rolling and coiling production line comprising a rolling channel for conveying a rolling piece, pinch rolls matched with the rolling channel, and detection elements arranged directly above the rolling channel, and the method comprises the following steps: acquiring a head signal of the rolling piece, starting tracking and recording first tracking data S1; acquiring a signal that the rolling piece reaches the pinch rolls, stopping tracking; acquiring a horizontal installation interval L between the detection elements and the pinch rolls, and correcting the first tracking data S1 to S1=L; the method does not need to additionally increase the detection elements, reduces the cost of rolling piece head tracking, can reduce error correction caused by error signals of the increased detection elements, and guarantees the accuracy and reliability of rolling piece head position tracking; the correction means is not referenced by light signals, and can effectively avoid the influence of interference sources such as water vapor, fog, light pollution and the like in the field environment.
Owner:BEIJING ABLYY TECH DEV CO LTD

Urban elevated road light pollution control method and system based on oblique photography technology

The invention discloses a design method and system for controlling light pollution of an urban elevated road based on an oblique photography technology, and the method comprises the steps: constructing an oblique photography three-dimensional live-action model, and importing a newly-built or reconstructed urban road and bridge model on the basis of the oblique photography three-dimensional live-action model, night auxiliary lighting facilities and electronic police operation are simulated, and the influence severity degree formed by irradiation of the night auxiliary lighting facilities and the electronic police on surrounding buildings is analyzed; according to the illumination analysis result, the influence of illumination on surrounding buildings is judged, and light pollution is controlled; through oblique photography three-dimensional modeling and dynamic illumination analysis technologies, a method for quantitatively controlling light pollution of viaduct lighting facilities is innovatively provided, and the blank of light pollution control of road subsidiary facilities in current specifications is filled. Compared with a traditional empirical design, a systematic solution is formed by combining cross slope adjustment, cut-off type lamp type selection and electronic police parameter optimization, and accurate regulation and control are achieved through iterative verification.
Owner:CHINA MCC20 GRP CORP LTD

A high-precision water quality monitoring and intelligent regulation water softener control system

The present invention relates to a high-precision water quality monitoring and intelligent regulation water softener control system, belonging to the technical field of intelligent water softener regulation. An image acquisition module is used to capture images of the surface of a sensor probe and upload the captured image data to a control terminal. The control terminal uses a convolutional neural network to identify and mark the biofilm area based on the received image data, calculates the percentage of the biofilm area occupied by the probe surface, and judges the pollution level as light pollution, moderate pollution, or heavy pollution based on the percentage. Targeted treatment is performed based on the judged pollution level, and ultimately the biofilm on the surface of the sensor probe is separated from the sensor. This solves the problem in the prior art of lacking the ability to perceive the degree of biofilm coverage in real time and having limited effect on removing stubborn biofilms.
Owner:HUNSDON PURIFIED WATER EQUIP (CHINA) CO LTD

Environment evaluation method based on monitoring data, terminal device and storage medium

The application belongs to the field of monitoring, and particularly relates to an environment evaluation method based on monitoring data, a terminal device and a storage medium, wherein the method can determine the distribution of light of each wavelength in the zoo through wavelength detection data of each light source and the position of each light source in the zoo, and can determine the activity area heat map of animals through monitoring video, and through comparison of the distribution of light of each wavelength and the intersection of the activity area, in combination with the sleep period of animals and the influence wavelength range, the influence on the sleep rhythm of animals can be accurately estimated, that is, the light pollution of the living environment of animals can be accurately evaluated through quantitative data.
Owner:SHENZHEN SPART TECH CO LTD

Lens filters

To provide a lens filter capable of suppressing the occurrence of light pollution and emphasizing point light sources such as stars. [Solution] The lens filter 10 is made of colored glass 1 and has a pattern 4 with a diffusion effect on at least the front surface 2. By using this lens filter 10, it is possible to prevent light pollution that occurs during photography, suppress color casts, make the night sky look clear and contrasty, adjust the color to suit the color of the night sky, clearly express the brightness of stars, and emphasize point light sources such as stars.
Owner:KENKOTOKINA CORP

Transformer magnetic core welding device

ActiveCN224196166UInconvenient loading and unloading operationStable suctionWelding/cutting auxillary devicesDirt cleaningTransformerLight pollution
The utility model discloses a transformer magnetic core welding device which comprises a positioning platform, a pressing piece arranged on the upper side of the positioning platform and a driving mechanism for driving the pressing piece to ascend and descend, and welding machines symmetrically arranged on the two sides of the positioning platform and used for longitudinally welding a magnetic core to form a welding seam. A shading part is arranged on the upper side of the pressing part, transversely extends to cover the positions above the welding guns on the two sides and can be located at the fixed height positions of the two welding guns all the time in the longitudinal welding process of the welding machine. A suction opening is formed in the middle of the shading part and is connected with a smoke exhaust device through a hose. According to the utility model, the operation convenience can be ensured, and light pollution and air pollution in the welding process can be eliminated to the greatest extent.
Owner:WUXI XINCHANG ELECTRONIC CO LTD

In-situ polymerization low-temperature curing ink-jet ink and application method thereof

The invention discloses in-situ polymerization low-temperature curing ink-jet ink which comprises ink A and ink B. The ink A at least comprises an initiator and deionized water, and the ink B at least comprises a sensitizer, a carbon-carbon double-bond water-soluble monomer, a carbon-carbon double-bond resin water-based dispersion and deionized water. The persulfate initiator in the ink A generates free radicals under the action of the ferrous sulfate sensitizer in the ink B, the free radicals initiate in-situ polymerization reaction to form a polymer network structure, pigment is firmly fixed to the surface of fiber, it is ensured that the initiator and the sensitizer start to react only when making contact, and the color fastness of the pigment is improved. The problem that the ink is unstable in the storage process is solved, and the curing speed is high. According to the invention, the use of an ultraviolet lamp is avoided, and light pollution and ozone pollution generated by the ultraviolet lamp in the environment are reduced. And compared with a UV photoinitiator with aromatic groups, a product obtained by reacting the applied persulfate is safer to a human body, and the method is a more environment-friendly printing scheme.
Owner:HONGSAM DIGITAL SCI & TECH

Movable ladder with lighting function

The utility model relates to the technical field of movable ladders, in particular to a movable ladder with a lighting function, which comprises a main support and an auxiliary support rotationally connected onto the main support through a hinge, and a handrail is arranged above the main support. A first lighting structure and a lamp belt installed in the concentric-square-shaped groove are arranged on the outer wall of the handrail, a second lighting structure further comprises second lighting lamps installed on the left side and the right side of the inner wall of the main support in an embedded mode, the lamp belt at the bottom of the upper pedal irradiates the lower pedal, and the situation that the upper pedal shields light of the lower pedal is avoided; a second illuminating lamp is embedded in the inner wall of the main support, light above the movable ladder can be increased while the uppermost pedal is irradiated, so that the use safety of the movable ladder is improved, a lamp strip and the second illuminating lamp are hidden in the structure of the movable ladder, a light source can be prevented from being exposed, the overall attractiveness is improved, meanwhile, light pollution can be reduced, and the service life of the movable ladder is prolonged. And the light is uniformly distributed in an area required to be illuminated.
Owner:LIANYUNGANG HUAXIN PETROCHEMICAL MASCH EQUIP CO LTD

Light adjusting component and optical system for blue light therapy device

ActiveCN116672613BInfant jaundiceOphthalmology
The application provides a light adjusting component and an optical system for a blue light therapy instrument, wherein the light adjusting component comprises an optical lens combination, the optical lens combination comprises a pair of optical lens units, two optical lens units of the pair of optical lens units are mirror-symmetrically arranged, and the light spot of the light of the treatment light source projected on a treatment area through the light adjusting component is in a rectangular shape. The application provides an optical system with a rectangular light spot with clear boundaries, which is used for infant jaundice treatment, the treatment light spot range is just clear and uniformly radiated on the treatment area to achieve effective treatment effect, which can not only avoid the situation that too much light overflows, resulting in low utilization and light pollution, but also avoid the situation that there are dark areas and four corners that cannot be covered in the prior art, and can also avoid the situation that the light spot splicing produces a situation that the light and dark difference of the superposition place and the non-superposition place is large and the uniformity is poor.
Owner:SHENZHEN COMEN MEDICAL INSTR

Optical structure capable of eliminating excitation fluorescence background stray light and fluorescence detection system

The utility model discloses an optical structure capable of eliminating excitation fluorescence background stray light and a fluorescence detection system, and the optical structure comprises a structural member which is provided with a first side wall serving as an incident plane and a second side wall opposite to the first side wall, and an unfilled corner is formed at the outer side of the second side wall; the second side wall is provided with a through hole used for light emitting. The dichroscope is accommodated in the structural member and is configured to receive incident excitation light incident from the first side wall and output the transmitted excitation light from the through hole of the second side wall; and the side baffle plate is obliquely arranged at the unfilled corner and is configured to reflect the exciting light output from the through hole for multiple times at the unfilled corner and the extinction channel of the side baffle plate. According to the utility model, the through hole is arranged on the side wall of the structural member, and the side baffle plate with an inclined angle is matched, so that the exciting light can be reflected for multiple times in the extinction channel of the unfilled corner and the side baffle plate, and light pollution caused by reflection of the exciting light in the whole equipment is avoided.
Owner:HEIDSTAR (XIAMEN) CO LTD

system

We provide the system. [Solution] A means of receiving input from the user and using the information of the observation site to obtain light pollution and weather conditions from an external database, A means for calculating the optimal timing and direction for astronomical observation based on acquired observation conditions, A means of automatically generating and providing telescope operation tutorials and suggestions for photography techniques to beginner users, A means for distributing the generated observation plan and operation tutorial to the user terminal, A means of receiving user feedback and improving the system's analysis model, A system that includes this.
Owner:SOFTBANK GROUP CORP

Large-size directional optical fiber CF glass as well as preparation method and application thereof

The invention relates to large-size directional optical fiber CF glass as well as a preparation method and application thereof. The method comprises the following steps: combining low-refractive-index skin glass, high-transmittance core glass and light absorption glass, drawing to obtain optical fiber monofilaments, arranging the optical fiber monofilaments into a primary multifilament rod, drawing to obtain primary multifilaments, arranging the obtained primary multifilaments into a secondary multifilament rod, drawing to obtain secondary multifilaments, and arranging the secondary multifilaments to obtain an optical fiber blank plate; carrying out melt pressure molding on the arranged optical fiber blank plates; processing the optical fiber brick material subjected to melt pressure molding to obtain a directional optical fiber substrate; a BM structure, an RGB coloring layer, an OC layer, an ITO layer and PI are manufactured on a directional optical fiber substrate to form a CF layer, and the large-size directional optical fiber CF glass is obtained. The directional optical fiber CF glass prepared by the invention has comprehensive function requirements of solid angle peep prevention, realization of image transmission directivity, electromagnetic shielding, light pollution protection and the like, is high in stability and good in uniformity, and can display bright and clear images within a specified visual angle.
Owner:CNBM OPTICAL CORE TECH CO LTD

Point light source and point light source lamp strip system

The utility model relates to the technical field of display, in particular to a point light source and a point light source lamp strip system. The point light source comprises a shell, a light source plate and a lens. A mounting cavity is formed in the shell, and an opening face is formed in the top of the shell. The light source plate is detachably connected to the inner wall face of the mounting cavity, a plurality of light-emitting parts are arranged on the light source plate at intervals, and the light-emitting faces of the light-emitting parts face the opening face. The lens is detachably connected to the opening face, a plurality of light gathering parts are formed on the side face, facing the light-emitting part, of the lens, and groove faces and / or protruding faces are formed on the light gathering parts. According to the utility model, the light beam intensity and the light beam range of the point light source can be enhanced, so that the brightness of the point light source can be suitable for scenes with higher brightness requirements, and the light pollution of the point light source to the nearby environment is reduced.
Owner:HUASUN TECH

Anti-dazzle semitransparent organic photovoltaic glass window based on thermal nanoimprint lithography and preparation method of anti-dazzle semitransparent organic photovoltaic glass window

PendingCN121815940APhotovoltaic supportsWallsPhoton captureBuilding integration
The invention discloses an anti-dazzle semitransparent organic photovoltaic glass window based on thermal nanoimprint lithography and a preparation method of the anti-dazzle semitransparent organic photovoltaic glass window, and belongs to the technical field of photovoltaic building integration. A submicron grating structure is prepared on the surface of a ternary blending active layer through a thermal nanoimprint process, and a device structure with a metasurface light field regulation effect is formed after spin coating of an electron transport layer and evaporation of a metal top electrode. By introducing a grating structure and utilizing diffraction and scattering effects, energy of reflected light is redistributed to a non-mirror direction, zero-order mirror reflection is remarkably inhibited, glare is effectively inhibited, light pollution is reduced, and meanwhile, the polarization degree of the reflected light is reduced and the visual comfort is improved by differentially modulating S and P polarized light; for transmission light, the grating excites multi-order diffraction, resulting in angle dispersion of a light beam propagation path, increase of the optical path of light in the active layer, and enhancement of photon capture and absorption, thereby significantly improving the short-circuit current density and power conversion efficiency of the device while ensuring high light transmission.
Owner:BEIJING UNIV OF TECH