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213results about How to "Improve lighting efficiency" patented technology

Automatic illumination adjusting method and system for agricultural greenhouse, medium and product

The invention discloses an automatic illumination adjusting method and system for an agricultural greenhouse, a medium and a product, and relates to the field of seed and seedling cultivation, the method comprises the following steps: obtaining image data of target seedlings in a seedling raising area, and determining seedling height data and leaf density distribution of the target seedlings according to the image data; determining initial illumination intensity and illumination distribution data of the seedling raising area according to the image data and the illumination parameters of the seedling raising area; when the initial illumination intensity is lower than a preset light intensity lower limit, determining a target adjustment angle of the light supplementing plate based on the seedling height data, the leaf density distribution and the illumination distribution data; adjusting the inclination angle of the light supplementing plate to a target adjusting angle, and obtaining the corrected illumination intensity of the seedling raising area in real time; and when the corrected illumination intensity is lower than the preset light intensity lower limit, adjusting the luminous intensity of the LED light source until the corrected illumination intensity is not lower than the preset light intensity lower limit. According to the invention, energy loss of agricultural greenhouse light supplement can be saved.
Owner:CENTURY YILIAN (BEIJING) TECH CO LTD

Roadway lighting system based on Internet of Things

PendingCN119255445AIntelligently adjust brightnessDynamic adjustment of brightnessElectrical apparatusEnergy saving control techniquesThe InternetTraffic flow
The invention discloses a roadway lighting system based on the Internet of Things, and relates to the technical field of roadway lighting, the roadway lighting system comprises an Internet of Things platform, the Internet of Things platform is in communication connection with a sensing module, a data processing module, a lighting regulation and control module, a fault monitoring alarm module and a user interaction module, and the modules are in electric signal connection. The road lighting system can intelligently adjust the brightness and the on-off state of the street lamp according to the real-time environment condition and the traffic flow through the Internet of Things technology, the lighting efficiency is improved, the energy consumption is remarkably reduced, the illumination intensity is monitored in real time through the illumination sensor, the indexes are evaluated in combination with the weather conditions, the brightness of the street lamp is intelligently adjusted, and the lighting efficiency is improved. Proper illumination is provided under different weather and illumination conditions, traffic peak and low peak periods can be identified through the traffic flow identification index, the brightness is dynamically adjusted, and energy waste in the period with low traffic flow is avoided.
Owner:BEIJING LANDSKY LIGHTING TECH CO LTD +1

Photovoltaic solar support structure with light following function and light following method thereof

The invention relates to the technical field of photovoltaic solar energy, in particular to a photovoltaic solar support structure with a light following function and a light following method thereof.The photovoltaic solar support structure comprises a supporting base, an L-shaped supporting plate and a control system are sequentially and fixedly installed on the side face of the supporting base from top to bottom, and the upper end of the supporting base is in a T shape; a rotating groove is formed in the upper end of the supporting base, and the control system executes the following steps that the control system comprises a light following sensor, a receiving and transmitting module, a motor control module, a potentiometer, an analysis processing module and a comparison processing module. The motor shaft of the stepping motor drives the main gear to rotate, and the light-following rotating seat drives the photovoltaic solar panel and the light-following sensor to rotate through the photovoltaic support, so that the position of the photovoltaic solar panel is adjusted, the strongest light can be vertically irradiated on the photovoltaic solar panel, and the illumination efficiency is improved.
Owner:SUZHOU LIANSHENG NEW ENERGY TECH CO LTD

Photovoltaic panel dust removal equipment

The utility model relates to photovoltaic panel dust removal equipment, both sides of a photovoltaic panel body are provided with mounting seats, one end of each mounting seat is provided with a motor, the output end of each motor is provided with a screw, and a transmission gear drives a connecting rod and a cleaning roller to rotate, so that the surface of the photovoltaic panel body is cleaned. The surface impurities after long-time use of the photovoltaic panel main body are reduced, a shunting pipe penetrates through a supporting plate and is fixedly provided with a plurality of nozzles at a water outlet, a water conveying pipe is arranged between the water pumping end of a water pump and a collecting box for connection, and cleaned and purified water is conveyed to the nozzles through the water conveying pipe and a water pump system. And the guide wheels slide on the surfaces of the two sides of the photovoltaic panel to guide the dust removal equipment, so that a stable guide effect is provided, and the dust removal equipment is kept stable in the process of being mounted on the photovoltaic panel.
Owner:JIANGYIN HANGTONG NEW ENERGY TECHNOLOGY CO LTD

Intelligent street lamp with self-adaptive brightness

InactiveCN119084874AImplement adaptive brightness controlRealize comprehensive applicationElectrical apparatusLighting support devicesEngineeringMaterials science
The invention relates to the technical field of intelligent street lamps, and particularly discloses a self-adaptive brightness intelligent street lamp which comprises a lamp holder, and fixing frames are fixedly arranged on the two sides of the top of the peripheral face of the lamp holder. The two lampshades symmetrically arranged on the two sides of the lamp holder work cooperatively with the LED modules in the lamp holder, uniform illumination of the areas on the two sides is achieved, through the brightness regulation and control mechanism, the light focusing degree can be controlled and adjusted through the distance so as to meet different illumination requirements, linkage can be achieved through a rotating rod driven by a servo motor, and the illumination efficiency is improved. According to the intelligent street lamp, the infrared sensor is used for monitoring the pedestrian flow, the light sensor is used for monitoring the illumination intensity, the brightness and the angle are automatically adjusted, unnecessary energy consumption is reduced, and the intelligent street lamp is more energy-saving and environment-friendly. In addition, it is ensured that the irradiation area is always in a proper illumination level, and adaptability and intelligence are effectively improved.
Owner:JIANGSU MODERN LIGHTING GRP CO LTD

High-pole lamp illumination intelligent control system and method

The invention provides a high-pole lamp illumination intelligent control system and method, and the system comprises an intelligent illumination control cloud box and an illumination control management system, and the intelligent illumination control cloud box is in wireless communication connection with the illumination control management system. According to the invention, by operating the illumination management platform, the mobile phone APP and the illumination intelligent control cloud box to send out instructions, independent control, batch control and plan control are carried out on field lamps, time-phased and regional control can also be carried out, and intelligent monitoring control and fine management of illumination of the high-pole lamp are realized. Meanwhile, the functions of map function, equipment inspection, illumination control, electric quantity overreading, gateway inspection, equipment timing, electricity price clock, batch parameter adjustment, energy efficiency management, alarm and the like can be realized, and the functions of traffic flow monitoring, safety monitoring, light illumination and coverage control based on image recognition and neural network technologies can be realized; the method is of great significance in improving the lighting efficiency, reducing the energy consumption and realizing the intelligent management of urban traffic.
Owner:BEIJING LIBOMING TECH DEV

High-rise building illumination integrated design method based on BIM technology

The invention belongs to the technical field of high-rise building illumination, and discloses a high-rise building illumination integrated design method based on a BIM technology, and the method comprises the steps: S1, building a high-rise building internal structure material reflectivity library, and building a high-rise building internal lamp database, the reflectivity database comprises reflectivity numerical values of a fixed building surface in a building and reflectivity numerical values of indoor movable equipment, the lamp database comprises brightness, color temperature and beam angle parameter values, and accurate simulation and optimization of illumination are realized by comprehensively considering building structure materials, lamp parameters and reflection and absorption of the movable equipment to light rays. According to the method, the uniformity of indoor illumination is remarkably improved, glare and shadow areas are reduced, and a more comfortable and harmonious visual environment is created for residents or users; the high-rise building illumination integrated design method based on the BIM technology has important significance and remarkable effects in the aspects of improving illumination quality, optimizing spatial layout, saving energy, reducing emission, promoting industry development and the like.
Owner:SUZHOU HUAGAOXIN OPTOELECTRONICS TECH CO LTD

Display device

A display device is provided. The display device includes: a first substrate; a circuit layer disposed on the first substrate; a light-emitting element layer disposed on the circuit layer; and an encapsulation structure disposed on the light-emitting element layer, the encapsulation structure including a scattering layer, a first inorganic film disposed on the scattering layer, an organic film disposed on the first inorganic film, and a second organic film disposed on the organic film, the scattering layer including a plurality of recesses and protrusions.
Owner:SAMSUNG DISPLAY CO LTD

Reticular Cu2O / TiO2 composite p-n type heterojunction photoelectric catalytic material as well as preparation method and application thereof

The invention belongs to the technical field of photoelectrocatalytic materials, and particularly relates to a reticular Cu2O / TiO2 composite p-n type heterojunction photoelectrocatalytic material as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, adopting a crisscrossed titanium mesh as a substrate, preparing a mesh-shaped TiO2 nanotube array through a dual-electrode oxidation method, and then loading p-type semiconductor Cu2O onto a wide-band-gap n-type semiconductor TiO2 nanotube array through an electrochemical deposition method, so as to prepare the mesh-shaped Cu2O / TiO2 composite p-n type heterojunction photoelectric catalytic material. Compared with a TiO2 material, when the material is used as a photoelectrocatalysis material to prepare hydrogen, the light absorption band edge of TiO2 is widened, the light energy utilization rate of TiO2 is improved, the performance of TiO2 in the aspect of photoelectrocatalysis hydrogen preparation is greatly improved, and the material is suitable for photoelectrocatalysis hydrogen preparation and belongs to the fields of chemical materials, new energy, environment and the like. The problem that the conversion efficiency is low when hydrogen is prepared through pure TiO2 photoelectrocatalysis is solved.
Owner:GUANGXI NORMAL UNIV

Fabricated heavy steel frame plant structure and construction method thereof

The invention relates to the technical field of workshops, and discloses an assembly type heavy steel frame workshop structure and a construction method thereof.The assembly type heavy steel frame workshop structure comprises a roof truss installed on a foundation; four roof beams which are symmetrically distributed in pairs are installed at the top end of the roof truss through high-strength bolts, a connecting beam is installed between every two symmetrically-arranged roof beams through high-strength bolts, and supporting beams are installed at the bottom ends of the two connecting beams and the top end of the roof truss through high-strength bolts; the inner walls of every two roof beams located on the same side are connected with a main roof plate through high-strength bolts, by arranging a driving mechanism and a movable mechanism, the top of the plant can be rapidly opened, in summer, indoor ventilation and heat dissipation can be achieved through natural wind, the indoor air quality can be improved, and the temperature and humidity can be reduced; natural light can be utilized to the maximum extent for illumination, and the lighting efficiency is improved.
Owner:SHANDONG ELECTRIC POWER CONSTR NO 2

Light supplementing device for agricultural planting greenhouse

The utility model relates to the field of planting greenhouses, in particular to a light supplementing device for an agricultural planting greenhouse, which comprises a control box, the upper portion of the control box is connected with a hoop assembly through a connecting block, a plurality of light shielding plates are mounted on the outer side of the bottom of the control box, and reflective films are arranged on the inner walls of the light shielding plates. The bottom of the control box is connected with a mounting frame through a connecting frame, a plurality of light supplementing lamps are mounted on the mounting frame, and a light shielding plate is arranged above the light supplementing lamps. According to the device, the device can be rapidly and stably installed on a greenhouse support through the hoop assembly, the control box supplies power to the multiple light supplementing lamps in the device, the light supplementing efficiency can be effectively improved and the illumination intensity can be improved through cooperation with the arrangement of the light reflecting film, and compared with a traditional light supplementing lamp, the multiple light supplementing lamps are arranged in the device, so that the light supplementing efficiency is improved. The irradiation range is expanded, and the function of freely rotating the angle of the light supplementing lamp can be achieved through the arrangement of the rubber bushing.
Owner:汶上县乡村振兴促进中心

Transmission type imaging spectrometer

The utility model provides a transmission-type imaging spectrometer. The transmission-type imaging spectrometer comprises a slit, a collimating lens group, a light splitting module, an imaging group and a detector which are arranged in sequence, the light splitting module comprises a grating and a prism; polychromatic light enters the collimating lens group through the slit, is collimated into parallel light, is projected to the grating for diffraction light splitting, then enters the prism for refraction light splitting, and is converged on the detector through the imaging group after light splitting. According to the utility model, the light transmission efficiency can be improved, aberration can be corrected, and large-area image correction can be realized.
Owner:ZOLIX ANALYTICAL INSTRUMENTS CO LTD +1

Lamp

The utility model provides a lamp, and relates to the field of lighting appliances. The mounting plate is provided with a first surface and a second surface which are deviated from each other; the plurality of light-emitting modules are arranged on the first surface around the central axis; the light-emitting module comprises a light-emitting unit and an optical lens, the optical lens is provided with a light inlet side and a light outlet side, and the light-emitting unit and the optical lens are correspondingly arranged and located on the light inlet side. Light of the light emitting unit enters the optical lens through the light incident side and then is emitted to the light receiving surface through the light emergent side. Light emitted from the light emitting side is deflected relative to the central axis and forms a plurality of light spots on the light receiving face, the light spots and the light emitting module are arranged correspondingly, and the light spots comprise water-drop-shaped light spot parts. According to the lamp, the multiple light-emitting modules are arranged and integrated on the same mounting plate in a surrounding mode, and on one hand, the illumination range of the lamp can be enlarged; and meanwhile, water-drop-shaped light spots can be formed to form a novel lighting effect. On the other hand, only one mounting plate is arranged, the number of mounting pieces can be reduced, the overall size of the lamp is reduced, and flattening of the lamp is facilitated.
Owner:SHENZHEN INTELLIROCKS TECH CO LTD +1

GaN-based compound semiconductor laser element

The GaN-based compound semiconductor laser element comprises a substrate, a lower limiting layer, a lower waveguide layer, an active layer, an upper waveguide layer and an upper limiting layer which are sequentially arranged from bottom to top, and an electron spin state regulation and control layer is arranged between the lower limiting layer and the lower waveguide layer. And designing piezoelectric polarization coefficient distribution of a first electron spin state regulation layer and a second electron spin state regulation layer in the electron spin state regulation layer, and a relation of piezoelectric polarization coefficients among the lower limiting layer, the lower waveguide layer, the first electron spin state regulation layer and the second electron spin state regulation layer. The performance of the semiconductor laser element can be improved.
Owner:GEN SEMICONDUCTOR (ANHUI) CO LTD

Intelligent feedback LED lighting system

The invention discloses an intelligent feedback LED lighting system which comprises a user control end, a sensor device, an intelligent control device and an LED light source control device. According to the method, the relationship among the multi-parameter data is analyzed through data decoupling and data priority ranking, the influence of multiple variables is considered at the same time, the robustness and stability of the system are improved, and the optimal performance balance state of the whole system is achieved; according to the method, under the condition that an actual system is complex, a system model close to complete fitting is established, an accurate mathematical model is used, the accuracy of the system is further improved, and real and effective multi-dimensional regulation and control of multi-parameter input and output are carried out. According to the invention, dynamic real-time scheduling and automatic optimization correction are realized, real-time tiny changes of the environment can be rapidly detected, illumination parameters can be automatically adjusted, a motor control instruction is formed for real-time adjustment, an automatic correction and optimization mechanism of the illumination system is generated, and the illumination effect is ensured to be highly consistent with the real-time requirement of the environment.
Owner:DALIAN UNIV OF TECH

Energy-saving intelligent lighting control system

The invention provides an energy-saving intelligent illumination control system, and relates to the technical field of intelligent illumination, and the system comprises the steps: collecting the current ambient light data of a target illumination region through an ambient light sensor, and generating the target ambient illumination brightness; identifying personnel activity information in the target illumination area through a human body activity sensor, and determining target activity illumination brightness; determining target adjustment illumination brightness based on the target environment illumination brightness and the target activity illumination brightness, and generating a self-adaptive illumination brightness control strategy in combination with the actual illumination brightness; adjusting the brightness of the target lighting equipment in the target lighting area based on a self-adaptive brightness control strategy, and monitoring the current lighting energy consumption data of the target lighting equipment through a lighting energy consumption sensor; the illumination feedback information of the user side is obtained, and the adaptive illumination brightness control strategy is optimized based on the illumination feedback information and the current illumination energy consumption data, so that intelligent adjustment of the illumination brightness can be realized, the energy consumption is effectively reduced, and the illumination efficiency is improved.
Owner:SHENZHEN CHENXI HOME FURNISHING CO LTD

Light guide element and vehicle lamp

The utility model relates to the technical field of car lamps, and discloses a light guide element which comprises a light guide body, a plurality of first light guide teeth and second light guide teeth are arranged on the reflecting surface of the light guide body, light rays are totally reflected by the first light guide teeth and then are emitted out to form first light rays, and the second light rays are emitted out to form second light rays. Light rays are totally reflected by the second light guide teeth and then emitted to form second light rays, and the light emitting directions of at least part of the first light rays and at least part of the second light rays are not parallel. The light guide element can improve the light diffusion effect, reduce dark areas when the light guide element is lightened, and improve the uniformity and lighting effect of the lightening effect of the light guide element. In addition, the utility model further discloses a vehicle lamp.
Owner:HASCO VISION TECHNOLOGY CO LTD

Imaging incubator capable of recording movement of bacterial cluster in real time

The invention belongs to the field of bacterial movement monitoring, and particularly relates to an imaging incubator capable of recording bacterial cluster movement in real time, the incubator comprises a box body, a delay shooting system, a temperature control system and a humidity control system; the time-delay shooting system comprises a camera, a shading plate and a flash lamp, the camera automatically captures an image according to preset exposure time at each preset interval, and the flash lamp is turned on at each preset interval and corresponds to the time when the camera automatically captures the image. The periodic lighting of the flash lamp is precisely synchronized with the shooting time of the camera, so that the long-time high brightness is avoided, and the possible inhibition effect of light intensity on the growth of microorganisms is prevented. According to the device, the illumination requirement during shooting is guaranteed, the influence on the culture environment is reduced to the greatest extent, clear images are captured regularly under the condition that the growth of microorganisms is not interfered, and valuable data support is provided for subsequent research.
Owner:SHANGHAI LISHAN BIOPHARMACEUTICAL CO LTD

Light leakage prevention backlight source module

The utility model discloses a light leakage prevention backlight source module which comprises a bottom plate and a frame, a light emitting assembly is installed on the inner side of the frame, the light emitting assembly comprises a circuit board and an LED lamp, a light leakage prevention assembly is installed on the inner side of the frame and comprises a light guide plate and a reflective mirror, an air inlet assembly is installed on one side of the frame, and an air outlet assembly is installed on the other side of the frame. According to the light leakage prevention backlight source module, the periphery of the LED lamp and the periphery of the frame can be sealed through the reflective mirror, light leakage is avoided, meanwhile, light is reflected to the light guide plate, the light transmission rate is increased, the light leakage prevention effect is good, and the light leakage prevention backlight source module is suitable for being used for a large-scale production line. The brightness consistency of the backlight source is guaranteed through the reflective mirror and the light guide plate, the illumination efficiency is further improved, the illumination area can be adjusted according to the illumination range, the adaptability of the backlight source is improved, and the backlight source is suitable for illumination of advertising boards, product display and the like.
Owner:JIANGXI JIMEIXING OPTOELECTRONICS TECHNOLOGY CO LTD

Street lamp Internet of Things intelligent control system

The utility model relates to the technical field of street lamp intelligent control systems, in particular to a street lamp internet of things intelligent control system, which comprises a monitoring center, a control terminal, a lighting load and a mobile monitoring terminal, and is characterized in that the control terminal comprises a processor, a full night lamp lighting load module, a half night lamp lighting load module and a lighting lamp lighting load module; the processor is in communication connection with the monitoring center through a Modbus TCP protocol, the processor is sequentially connected with the full-night lamp lighting load module, the half-night lamp lighting load module and the brightening lamp lighting load module respectively, and on the basis of an existing street lamp control system, the monitoring center is used for achieving digital and automatic control over street lamps in cooperation with the Internet of Things, and the intelligent street lamp control system is simple in structure, convenient to use and high in practicability. The control switching of full-night or half-full-night illumination of the street lamp is realized, and the remote control of the street lamp system can be realized through the communication connection between the mobile monitoring terminal and the monitoring center.
Owner:上海覆帱信息科技有限公司

Novel anti-glare light strip

The utility model discloses a novel anti -dazzle lamp area, including n shape silica gel cover, set up in the flexible substrate of n shape silica gel cover, the lamp pearl of fixed on the flexible substrate, the irradiation light guide silica gel layer of integrative forming has in n shape silica gel cover, the inner chamber top wall between irradiation light guide silica gel layer and n shape silica gel cover is provided with light source installation strip groove, the strip cavity is provided with in irradiation light guide silica gel layer, and strip cavity is parallel with light source installation strip groove, the honeycomb board of integrative forming has in irradiation light guide silica gel layer, and honeycomb board is with light source installation strip groove and is in the symmetrical side of strip cavity. The utility model discloses the structure is reasonably set up, and there is strip cavity cooperation honeycomb board in irradiation light guide silica gel layer, and the light of the lamp pearl in light source installation strip groove is after passing through strip cavity and honeycomb board, is favorable for the anti -dazzle performance of promotion irradiation, and the use stability of overall structure is promoted to the integrative forming of irradiation light guide silica gel layer and n shape silica gel cover, and the lighting light effect is promoted, can satisfy the use demand of different conditions.
Owner:广东爱宇照明有限公司

A method for installing a time-zone type round-table curtain wall

This invention discloses an installation method for a time-zone-division circular pedestal curtain wall. The time-zone-division circular pedestal curtain wall includes time-zone-division curtain wall units. A set of curtain wall glass is arranged with 24 units corresponding to 24 time zones, forming a pedestal shape that is smaller at the top and larger at the bottom. A time zone pointer is also provided at the top of the curtain wall glass, and the projection of the time zone pointer is projected onto the outer surface of the curtain wall glass. This invention facilitates the lighting and aesthetic requirements of the central area by setting a continuous circular pedestal curtain wall in the middle of the corridor. The setting of the lower and upper floor sloping walls facilitates the installation of the curtain wall keel, providing a fixed foundation and ensuring the overall structural integrity. The time-zone setting of the curtain wall glass ensures both aesthetic appeal and ease of installation while improving lighting efficiency. The setting of the time zone pointer and the pointer connecting wall further makes the central curtain wall resemble a sundial, enriching the structural types, and the pointer connecting wall at the connection point ensures the stability of the installation.
Owner:BEIJING URBAN CONSTR SIXTH GRP

Large-target-surface wide-angle TOF lens

The invention discloses a large-target-surface wide-angle TOF lens, and relates to the technical field of optical lenses, and the large-target-surface wide-angle TOF lens comprises a first lens group, a symmetric lens group and a second lens group. The first lens group comprises a plurality of meniscus lenses with negative focal power and convex object side surfaces, and the meniscus lenses are used for reducing incident light angles relative to the lenses; the symmetrical lens group comprises two meniscus lenses which are symmetrically arranged and have positive focal power, the object side surface of the meniscus lens close to the object plane in the symmetrical lens group is a concave surface, the image side surface of the meniscus lens close to the image plane in the symmetrical lens group is a convex surface, and the object side surface of the meniscus lens close to the image plane in the symmetrical lens group is a convex surface, and the image side surface of the meniscus lens close to the image plane in the symmetrical lens group is a concave surface; and the second lens group comprises a plurality of meniscus lenses with positive focal power and a biconvex lens with positive focal power, and is used for correcting aberration of emergent light beams of the symmetrical lens group. The lenses in the invention all adopt spherical lenses, so that high-quality imaging with large target surface and large visual angle can be realized, an aspherical mirror is not needed, and the lens cost is further greatly reduced.
Owner:HANGZHOU LUOWEI TECH CO LTD

A centrifugal separation type photochemical reaction device and its application

The present invention discloses a centrifugal separation type photoreaction device, including a reactor, an illumination component, and a driving component. A flow guide baffle is fixedly arranged in the reactor, and the illumination component is arranged in the center of the reactor. The reactor rotates under the driving of the driving component, driving the flow guide baffle to rotate to generate stirring and centrifugal force, so that the solid precipitate generated in the reactor with the reaction is centrifugally separated and discharged. The photochemical reaction device sets the stirring power outside the reactor, omitting the traditional agitator, avoiding the blocking of light by redundant devices such as stirring rods and paddles, and retaining a larger photoreaction space; through the rotation of the reactor, the inner wall flow guide module is used to stir and drive the water body to produce a centrifugal separation effect, and the original and suspended particles and insoluble solids generated in the wastewater during the reaction are removed by rotating centrifugation, the turbidity of the water body is reduced, the light transmittance of the water body is increased, the light utilization rate is effectively improved, and a series of problems of low efficiency of the photochemical reaction caused by the increase of turbidity during the photochemical reaction are solved. It is particularly suitable for photochemical reactions that produce precipitation during the reaction. The device of the present invention is typically used in the photocatalytic decomposition treatment of complex heavy metal wastewater.
Owner:NANJING UNIV +1

Longitudinal chromatic aberration adjusting system based on geometric phase liquid crystal lens

The invention belongs to the field of optical display, and particularly relates to a longitudinal chromatic aberration adjusting system based on a geometric phase liquid crystal lens, which comprises the geometric phase liquid crystal lens for changing imaging focal lengths of different wavebands of visible light incident to the geometric phase liquid crystal lens and reversing the size relation of the imaging focal lengths of the different wavebands of the visible light; the circular polarizing film modulates the light incident on the circular polarizing film into circular polarized light and eliminates stray light; the preset lens is combined with the geometric phase liquid crystal lens to reduce the focal power; after incident light passes through the geometric phase liquid crystal lens, the circular polarizer and the preset lens, different visible light wave bands are imaged on the retina of a viewer, and longitudinal chromatic aberration is eliminated. Through the above arrangement, through the combination of the geometric phase liquid crystal lens, the circular polarizer and the preset lens, the incident light can have basically the same focal length on the retina of the eyes of a viewer, that is, the interference of a longitudinal error on eye imaging is eliminated, and the viewing experience is improved.
Owner:SHANGHAI RUISHI HEALTH TECH CO LTD

Heat dissipation type distribution box lighting device and use method thereof

The invention relates to the technical field of power distribution box lighting, and discloses a heat dissipation type power distribution box lighting device and a using method thereof.The heat dissipation type power distribution box lighting device comprises a shell mechanism, the shell mechanism further comprises an electric box, and a fixing plate is fixedly connected to the top of the electric box. The electric box cover drives a first bevel gear to rotate through a rotating rod, the first bevel gear drives an L-shaped support to rotate along the inner wall of an arc-shaped groove through a second bevel gear, meanwhile, a shielding arc plate is driven to rotate, when the second bevel gear rotates, a lamp tube rotates synchronously, and a fixing support at the other end of the lamp tube and an electric connection block are driven to rotate; the side face of the power connection block is forced to make contact with the side face of the power output block, a light source emitted by the lamp tube can directly act on the outer surface of the power distribution switch needing to be irradiated, when the lighting mechanism does not need to be used, the shielding arc plate blocks the light outlet, dust attached to the outer wall of the lamp tube is reduced, and it is avoided that too many impurities exist on the outer wall of the lamp tube, and the lighting efficiency of equipment is affected.
Owner:HANGZHOU PUAN TECH

Silica gel lamp strip with optical angle

The silica gel lamp strip with the optical angle comprises a lamp strip body provided with an installation groove, an LED light source plate is arranged in the installation groove, and a first light-transmitting silica gel strip and a second light-transmitting silica gel strip are arranged in the installation groove. An irradiation groove is formed in the side face, away from the LED light source plate, of the first light-transmitting silica gel strip. The middle part of the inner wall of the irradiation groove is provided with a convex arch-shaped bulge, and the symmetrical edges of the arch-shaped bulge are provided with inclined convex strips; the side face, close to the first light-transmitting silica gel strip, of the second light-transmitting silica gel strip is an outwards-protruding arc-shaped light inlet face. The LED lamp is reasonable in structural arrangement, light rays of the LED light source plate are transmitted and refracted by the first light-transmitting silica gel strip and then gathered towards the middle of the arched protrusion, and then the light rays pass through the second light-transmitting silica gel strip, so that the irradiated light rays are more uniform and softer, the technical defect that the light rays are dazzling is overcome, the irradiation effect is improved, and the service life of the LED lamp is prolonged. The lighting effect can be improved, meanwhile, the cost can be reduced, the applicability is high, and the practicability is good.
Owner:DONGGUAN QIHANG LIGHTING TECH CO LTD

A hyperbolic cooling tower construction lighting device

The utility model discloses a hyperbolic cooling tower construction is with lighting device belongs to lighting equipment technical field, and its technical key points include guide rail, the periphery of guide rail evenly fixedly connected with a plurality of baffle, the inside of baffle is provided with bolt, the inside of guide rail is provided with the mobile locking assembly that positions lighting device, and the top of mobile locking assembly is provided with universal connecting column, and the one end of universal connecting column away from guide rail is provided with the charging type LED lamp, the utility model discloses the design through guide rail and mobile locking assembly, has realized the smooth movement and accurate positioning of lighting lamp in fixed track, and construction personnel can install guide rail once on the outer wall of hyperbolic cooling tower, and only needs to be adjusted lighting area remotely through push -and -pull in succession, avoids the operation of frequent, manual adjustment lamp position in the high altitude dangerous environment, greatly reduces the risk and operation difficulty of high altitude operation.
Owner:YUNNAN HUADIAN ZHENXIONG POWER CO LTD +1

Single-frame far field wavefront recovery method and system based on non-rotationally symmetric shaped pupil

PendingCN122814017AAlleviating the degeneracy problem of conjugate solutionsEnhanced Representational Capabilities
The application discloses a single-frame far-field wavefront recovery method and system based on a non-rotationally symmetric special-shaped pupil, and belongs to the technical field of wavefront recovery. The method comprises the following steps: a non-rotationally symmetric special-shaped pupil mask is arranged on an entrance pupil surface of a to-be-detected optical system, so that the pupil of incident light has non-symmetry; after the incident light is modulated by the special-shaped pupil mask, the to-be-detected optical system is passed through to form a first single-frame far-field light spot image; the normalized first single-frame far-field light spot image is input into a trained FFT-UNet wavefront recovery network, the trained FFT-UNet wavefront recovery network outputs a first pupil surface wavefront phase image corresponding to the first single-frame far-field light spot image; and wavefront recovery is realized based on the first pupil surface wavefront phase image. The application encodes phase information of a to-be-detected wavefront into a non-symmetrical diffraction structure of a single-frame far-field light spot, and helps to alleviate the conjugate solution degeneracy problem in single-frame phase inversion.
Owner:INST OF OPTICS & ELECTRONICS CHINESE ACAD OF SCI