28results about How to "Improve light energy utilization" patented technology

The invention relates to the technical field of photocatalytic processes, in particular to a catalyst for preparing methanol through photocatalytic reduction of CO2 as well as a preparation method and application of the catalyst. The catalyst comprises a composite carrier and active sites dispersed on the surface or in pores of the composite carrier, the composite carrier is of a heterojunction composite structure formed by a hollow TiO2 sphere and MCN, the hollow TiO2 sphere comprises a shell layer and a spherical cavity structure located in the shell layer, the shell layer is formed by TiO2 nanoparticles, and the MCN has a mesoporous pore structure; a II-type or Z-type heterojunction interface is formed between the hollow TiO2 spheres and the MCN through physical contact and chemical action; the active sites comprise copper nano species, sulfur vacancy defects and amino groups; the copper nano species are copper nano particles or clusters, and the valence state of copper is 0 and / or + 1 valence amino is grafted on the surface of the composite carrier through an organic long chain. The catalyst provided by the invention can greatly improve the yield and selectivity of methanol prepared by photocatalytic reduction of carbon dioxide.

The application discloses a polarizer, a liquid crystal panel and a display device, relates to the technical field of display, and discloses a polarizer, which comprises a first protective layer, a first triangular prism array structure, a polarization layer, a second triangular prism array structure and a second protective layer which are sequentially stacked. The application effectively improves the light condensation capacity of the polarizer.

The application discloses a kind of zero visual seam's liquid crystal display unit, it is related to display technical field.The display unit includes backlight module, liquid crystal panel assembly and optical compensation composite cover plate.Wherein, the edge of backlight module is equipped with the chamfer support surface that is inwards shrinkage, the non-display area of liquid crystal panel assembly is bent or adhered along the chamfer support surface, so that the physical height of non-display area is lower than the plane where effective display area is located.Optical compensation composite cover plate is adhered to the surface of liquid crystal panel assembly and extends to cover above non-display area, and the cover plate sequentially includes light remodeling layer, waveguide light uniform layer and wide-angle scattering layer from bottom to top.The application is cooperated by mechanical structure and micro-nano optics, realizes the visual screening of physical seam under the premise of not increasing electronic control complexity, solves the problems of large assembly thickness, black seam ghost and edge image distortion in traditional seam elimination scheme.

The application provides a three-optical-axis double-channel fisheye lens, including an optical technical feature scheme and an optical structural feature scheme of the three-optical-axis double-channel fisheye lens, and through the optical structure of the three-optical-axis double-channel fisheye lens, a mapping relationship that one object field corresponds to two image fields can be realized. The three-optical-axis fisheye lens is applied in a single-position dome projection system, can efficiently utilize pixels, and improves light energy utilization.

This application discloses an LCOS optical system and an AR device, relating to the field of augmented reality technology. The LCOS optical system includes an illumination module and an imaging module disposed on the light-emitting side of the illumination module. The illumination module includes a light source, a first collimation module, and a light-uniforming element. The imaging module includes a beam splitter, an LCOS device, and a projection lens, with the first collimation module, the light-uniforming element, and the beam splitter arranged sequentially along the light-emitting direction of the light source. The light beam emitted from the light source is collimated by the first collimation module and uniformly irradiated by the light-uniforming element before entering the beam splitter. After passing through the beam splitter, it enters the LCOS device, where the LCOS device modulates the beam into image light carrying image information. This image light is then transmitted to the projection lens through the beam splitter to project an image. This LCOS optical system and AR device can reduce the illumination space, contributing to the miniaturization of the LCOS optical system and AR device.

The utility model relates to a kind of optical waveguide with double-sided coupling-out structure. Including: waveguide substrate, coupling-in unit, first coupling-out unit and second coupling-out unit, coupling-in unit and first coupling-out unit are located in the first surface of waveguide substrate, second coupling-out unit is set in the second surface of waveguide substrate opposite to first coupling-out unit, and second coupling-out unit is high-reflection-efficiency diffraction structure.Coupling-in unit is configured to couple image light into the waveguide substrate, part of the image light is diffracted by the first coupling-out unit, and the remaining light is reflected by the second coupling-out unit when it reaches the second coupling-out unit.

The invention belongs to the technical field of cultivation, and particularly relates to a circular flow cultivation device in a sunlight greenhouse, which comprises an annular track, a traction headstock and a plurality of trailers, the plurality of trailers are connected in sequence and move on the annular track through the traction headstock, a box body is arranged on the trailers, and a partition plate is connected in the box body. The interior of the box body is sequentially divided into a cultivation box and a water collection box from top to bottom through a partition plate, a plurality of water seepage holes are formed in the partition plate, a plurality of drip irrigation mechanisms are arranged on the side wall of the cultivation box, a soil loosening mechanism is arranged in the middle of the cultivation box, and the drip irrigation mechanisms and the soil loosening mechanism are covered with substrates in the cultivation box. The soil loosening assembly loosens the matrix through the vibration assembly. The limitation that an existing cultivation device is fixed in position is broken through, crops on the cultivation device can receive light evenly, the air permeability and water permeability of a matrix are improved, good environmental conditions are created for crop root growth, and root development is promoted.

The application relates to a soybean row spacing planting device and belongs to the technical field of agricultural machinery. The device is used for no-tillage seeding with a row spacing of 38 cm and can complete the work once. The device comprises a land wheel, a grass separating wheel, a bionic wheel, a compacting wheel, a mouth fertilizer box, a seed box, a large fertilizer box, a front frame, a seed box mechanism, a mouth fertilizer box mechanism, a front frame and a bracket mechanism connected through a four-link mechanism, the four-link mechanism is composed of a bracket mechanism connecting plate and a crossbeam, a fertilizer applicator mechanism, a land wheel mechanism, a power wheel mechanism and a power input mechanism are installed on the front frame, and a large fertilizer box mechanism, a seeding unit mechanism, a grass separating wheel mechanism, a compacting wheel mechanism and a hydraulic adjusting mechanism are installed on the bracket mechanism. After the row spacing of the soybean is changed from 65 cm to 38 cm, the area of the ground between the rows is reduced in the early growth stage, and the light energy utilization rate of the soybean leaves is greatly improved.

The utility model discloses a geological disaster monitoring device, and relates to the technical field of geological disaster monitoring. The device comprises a solar module, a wind energy module, a lifting module, a mounting module and a control module, the solar module utilizes a solar panel, a motor, a rotating bearing and a gear to realize adjustment of vertical and horizontal angles; the wind energy module utilizes a wind driven generator, a motor and a rotating bearing to realize adjustment of a horizontal angle; the lifting module achieves lifting of the device through a T-shaped nut and a T-shaped lead screw. The installation module achieves rapid and stable installation of the device through an electric push rod, a pressing block, a short ground nail and a long ground nail. The device has the advantages of being high in energy utilization rate, not single in supply, convenient to maintain, safe, reliable, stable to install, convenient, fast and efficient.

The application provides a monochromatic LED light source photothermal reaction device based on an optical matrix, relates to the technical field of photothermal reaction equipment, and solves one of the technical problems of low light energy utilization rate and limited reaction process of a traditional reaction device. The reaction device comprises a light collection module. The light collection module comprises a PCB and a light collection unit. A plurality of light collection units are arranged in an array on the PCB. The light collection module is used for providing a light source, reflecting and collecting scattered light sources, collimating light paths, and gathering stable light spots with concentrated and uniformly distributed energy density, so as to improve photothermal conversion and reaction efficiency.

This invention discloses a self-cleaning and dust-resistant polyurethane synthetic leather and its preparation method, belonging to the field of polyurethane technology. The self-cleaning and dust-resistant polyurethane synthetic leather comprises an isocyanate-terminated polyurethane prepolymer, an N-doped titanium dioxide photocatalyst, a polyether / siloxane hybrid phosphate modifier, and various additives. This invention enhances the intrinsic photocatalytic activity of TiO2 through N-doping without altering its crystal structure. A self-designed hybrid phosphate modifier achieves N-TiO2 chemical anchoring and surface-oriented enrichment, significantly improving the utilization rate of active sites and achieving TiO2 reduction without sacrificing efficiency. Simultaneously, a dust-resistant, antistatic, and self-cleaning synergistic system is constructed to maintain long-term self-cleaning properties, while simultaneously optimizing the mechanical and weather-resistant properties of the synthetic leather. It is compatible with existing mass production processes and has significant industrialization value.

The utility model discloses a photovoltaic panel and photovoltaic module are applied to photovoltaic technical field, and photovoltaic panel includes the front glass, cell piece and back glass of laminated arrangement, and the front glass includes: front glass body and first front film layer, and first front film layer is located the side of front glass body close to cell piece, and back glass includes: back glass body and first back film layer, and first back film layer is located the side of back glass body close to cell piece, and first front film layer and / or first back film layer include laminatedly arranged first barrier layer and second barrier layer, and first barrier layer is close to cell piece setting, and the refractive index of first barrier layer is less than the refractive index of second barrier layer. The photovoltaic panel provided by the utility model has the function of increasing the penetration for the light entering the inside of photovoltaic panel, improves the utilization of light energy, has the good blocking effect to the metal ions such as sodium ion, calcium ion from glass, and improves the PID resistance of the photovoltaic panel.

The application belongs to the technical field of water treatment, and particularly relates to a light-driven self-powered Fenton system, a preparation method and application thereof. The light-driven self-powered Fenton system is a self-powered double-electrode system based on a photoanode Bi2MoO6 / g-C3N4 and a photocathode CuS. The system uses the work function difference between the photoanode and the photocathode as a self-powered driving force to realize the occurrence of a light-assisted self-powered Fenton reaction. The light-driven self-powered Fenton system effectively solves the technical defects of the conventional Fenton system, such as narrow applicable pH, easy precipitation, low H2O2 utilization rate, the electric Fenton system relying on external electricity and having high cost, the conventional light Fenton system needing to add H2O2 and easily causing secondary pollution, and the existing light self-Fenton system having poor light absorption, serious carrier recombination, poor electrode level matching, weak self-powered driving force and being unable to simultaneously realize high-sensitivity detection and efficient degradation.

The invention discloses a highland barley field carbon-ammonia source sink imbalance risk early warning system, and belongs to the field of gas intelligent early warning, an optical system module comprises a wide temperature range wavelength locking double DFB laser set, a first electric control gradient refractive index liquid crystal lens, a second electric control gradient refractive index liquid crystal lens, an off-axis integral cavity, a convergent lens and a detector, and is used for achieving optical detection of CO2, CH4 and NH3 in a highland barley field; the self-adaptive power supply module provides a stable power supply for the system by adopting a magnetic flux-temperature double feedback and time division multiplexing mechanism aiming at the low-voltage and low-temperature extreme environment of the Tibet Plateau. The temperature control module provides high-precision temperature stability control for the laser based on a bimodal dynamic gain-thermal disturbance prediction composite sliding mode control algorithm; and the main control module is used for generating a laser driving signal and performing early warning on the imbalance risk of the highland barley field by using the rough set-deep belief network hybrid early warning module. The problems of poor system stability, low detection precision and slow early warning response in a plateau extreme environment can be solved.

The utility model provides an ultrathin flexible bendable light guide plate structure, which belongs to the technical field of optical lighting equipment and comprises a bottom frame, a light-transmitting plate fixedly mounted on the inner wall of the bottom frame, a light-transmitting hole formed in the surface of the light-transmitting plate, a core component arranged on the inner wall of the light-transmitting plate and a connecting component arranged on the surface of the core component. The reflecting plate is fixedly connected to the inner wall of the bottom frame. Through the arrangement of the multi-layer composite structure, the excellent optical performance and the flexible bendable characteristic of the light guide plate in the ultrathin form are achieved, the polymethyl methacrylate core light guide layer is matched with the glass bead scattering layer, and even area light source output is achieved while the light conduction efficiency is guaranteed; due to the unique design of the flexible coating and the transparent polyimide substrate, the product has excellent bending performance and can adapt to various curved surface mounting requirements, and due to the combination of the ultrathin glass filling layer and the atomized PET film mounting layer, the structural stability is ensured, and good optical interface characteristics are maintained.

The invention provides a waste gas treatment device and method, and relates to the technical field of waste gas treatment. The device comprises a panel lamp assembly and a flat reaction chamber structure, efficient waste gas degradation without a catalyst is achieved through the characteristic that high photon energy of 172nm excimer ultraviolet light can crack most organic matter, particularly, a reflection structure is designed, 172nm excimer ultraviolet light can be efficiently reflected, the structure is formed by alternately stacking a plurality of dielectric material layers, and the dielectric material layers are arranged in the flat reaction chamber structure. The design strictly follows the 1 / 4 wavelength optical thickness principle, the reflectivity is improved to 90% or above through the optical interference effect, 172nm ultraviolet light is efficiently reflected back to a channel space, and the light energy utilization rate is remarkably improved. Through the synergistic effect of the technical characteristics, the waste gas treatment device can efficiently degrade various VOCs (volatile organic compounds), especially stubborn organic compounds, and the waste gas treatment efficiency and stability are remarkably improved.

The application discloses a movable sun-shading photovoltaic panel, which comprises a photovoltaic panel, mounting plates arranged on both sides of the photovoltaic panel, first long holes arranged on the side walls of the mounting plates, a power mechanism fixed on the end faces of the mounting plates and comprising an electric cylinder, the action end of the electric cylinder performing extension / contraction movement in the vertical direction, an executing mechanism comprising a crank rocker and a connecting shaft connecting the crank rocker and the action end, the non-end part of the crank rocker being rotatably connected with the side wall of the mounting plate through a bearing seat, the end part of the crank rocker being provided with a second long hole penetrating through the crank rocker, the connecting shaft extending into the second long hole and being slidably connected with the second long hole, and a sliding pin penetrating through the first long hole and being slidably arranged in the first long hole and a rotating pin hingedly connected with the end part of the crank rocker being arranged on the side edge of the photovoltaic panel. The photovoltaic panel arranged in the above manner can be adjusted in angle according to the incident angle of sunlight, so as to enhance the light energy utilization rate of the photovoltaic panel, and can play a sun-shading role while generating electricity.

The invention provides a spectral absorption three-dimensional imaging system and method based on parallel light beams and area array detection, relates to the technical field of optical precision measurement and tomography, and aims to solve the problems that high time and high spatial resolution, low system complexity and low cost cannot be compatible at the same time and three-dimensional field distribution cannot be quickly reconstructed with high precision in the prior art. The system comprises a laser emission and modulation module, a beam shaping module, a to-be-measured area, an area array sensor and a data processing module. The light beam shaping module, the to-be-detected area and the area array sensor are arranged on the same plane axis, the light beam shaping module comprises a first collimating mirror and an imaging module which are sequentially connected along a light path, the first collimating mirror forms parallel light beams, and the imaging module performs multi-angle rear two-dimensional imaging; and the area array sensor is electrically connected with the data processing module, is processed and controlled by the upper computer, and reconstructs a two-dimensional image into a three-dimensional field. According to the invention, problems in the prior art are solved, and rapid and high-precision three-dimensional imaging is realized.

This utility model belongs to the field of lighting technology and discloses a diffuse reflection lighting device. Both the first and second light-blocking sections are provided with diffuse reflection layers. Direct light emitted by the lighting unit located in the installation space can be effectively intercepted by the adjacent sides of the first and second light-blocking sections, preventing direct light from illuminating the object to be illuminated below the main body of the device and causing localized overexposure or directional shadows. Furthermore, after the direct light reaches the adjacent sides of the first and second light-blocking sections, it forms diffuse reflection light under the action of the diffuse reflection layers, enhancing the uniformity of illumination on the object to be illuminated, improving the overall illumination effect of the lighting unit on the object to be illuminated, and ensuring the accuracy of subsequent visual inspection operations on the object to be illuminated. The diffuse reflection lighting device only provides diffuse reflection layers on the first and second light-blocking sections, shortening the reflection path and reducing the cost of reflection, thereby reducing the overall manufacturing cost of the light-blocking unit and decreasing the light loss rate.

The utility model discloses a stage lamp capable of changing light shapes based on an electronic liquid crystal module. The stage lamp comprises an LED light source. The light guide assembly, the zoom lens group and the liquid crystal screen are sequentially arranged along the same optical axis; the light guide assembly is arranged in the light emitting direction of the LED light source; the zoom lens group is arranged in the light emitting direction of the light guide assembly; the liquid crystal screen is arranged in the light emitting direction of the zoom lens group; the liquid crystal screen comprises an electronic liquid crystal layer arranged inside; light emitted by the LED light source enters the light guide assembly to be transmitted and then sequentially passes through the zoom lens group and the liquid crystal screen to form an initial light spot; different voltage values are applied to the liquid crystal screen in the horizontal direction and / or the vertical direction, liquid crystal molecules in the electronic liquid crystal layer correspondingly deflect according to the applied voltage values, and the light propagation direction in the electronic liquid crystal layer is changed. Various light distribution effects of circles, ellipses, longitudinal long strips, transverse long strips and the like of different sizes and positions are achieved, and practicability is higher.

This invention discloses a method for preparing a ruthenium bipyridine-anchored photocatalyst, and also relates to its application in the conversion of biomass-based oil into alkane fuels, belonging to the field of photocatalysis technology. The preparation method involves using a sulfonated semiconductor material in combination with divalent tripyridine ruthenium, wherein the divalent tripyridine ruthenium couples with sulfonic acid groups on the surface of the sulfonated semiconductor through secondary ion exchange to form a ruthenium bipyridine-sulfonic acid ligand structure. The photocatalyst prepared by this invention has the following characteristics: it can significantly improve the separation efficiency of photogenerated carriers, enhance the absorption performance of the catalyst in the visible light band, and achieve comprehensive enhancement of catalytic performance through optimized oxidation and reduction capabilities. The photocatalyst prepared by this invention exhibits excellent light energy utilization efficiency and product yield in the photocatalytic conversion of biomass-based oil into alkane fuels, overcoming the limitations of single photocatalytic materials, and possesses significant technological advancements and broad practical application prospects.

This application provides an adaptive high beam module and a vehicle headlight, relating to the field of vehicle headlight technology. The adaptive high beam module includes: a light source assembly comprising a plurality of light-emitting units spaced apart along a first direction; a reflective assembly comprising a plurality of reflective units corresponding one-to-one with the light-emitting units, the reflective units being configured to reflect the emitted light from the light-emitting units into divergent light along the first direction, and further configured to reflect the emitted light from the light-emitting units into parallel light along a second direction; a lens disposed on one side of the reflective assembly along a third direction and located on the reflected light path of the reflective assembly, the lens being configured to receive the reflected light from the reflective units and project the reflected light into illumination sub-regions, the plurality of illumination sub-regions being spliced ​​together along the first direction to form an ADB light pattern; and a plurality of separators arranged along the first direction, with a reflective unit disposed between two adjacent separators. The adaptive high beam module of this application has the advantages of high luminous efficiency, small size, and low weight.

The invention relates to the technical field of projection equipment, and provides an LCD projection ray machine and a control method and device thereof. The LCD projection ray machine comprises a three-primary-color solid-state light source module which comprises a red light source, a green light source and a blue light source; a light processing device; the liquid crystal display screen is integrated with a red color filter, a green color filter and a blue color filter; the projection lens is used for projecting and outputting the modulated image; the control device is connected with the three-primary-color solid-state light source module, drives a red light source, a green light source and a blue light source in the three-primary-color solid-state light source module in a continuous light emitting mode and outputs continuous mixed white light; the three-primary-color solid-state light source module, the light processing device, the liquid crystal display screen and the projection lens are sequentially arranged in the optical axis direction. The three-primary-color solid-state light source module works in a continuous light-emitting mode and is matched with the liquid crystal display screen integrated with the color filter, so that the inherent defects of a traditional white light LED scheme in the aspects of color gamut, lighting effect, heat management, dynamic display and the like are effectively overcome.

This invention discloses a solar photovoltaic power generation monitoring method. Relating to the field of solar power generation technology, it solves the problems of traditional adjustment methods failing to match the optimal light-gathering angle based on real-time changes in sunlight, exhibiting strong blind adjustment, and struggling to accurately pinpoint the optimal adjustment direction. This invention employs a multi-directional, step-by-step trial-and-error adjustment strategy. Through trial adjustments at four fixed angles (front, back, left, and right), it quickly identifies potential adjustment directions that can improve power generation efficiency. Unlike traditional fixed-angle, blind adjustment methods, this invention can quickly pinpoint the direction of light-gathering gain. Furthermore, for special scenarios with two potential directions, it calculates the angle segmentation coefficient by converting the power generation efficiency improvement ratio, accurately fitting the optimal light-gathering adjustment direction. This overcomes the limitation of traditional angle adjustment, which can only adapt to fixed orientations. It can dynamically match the optimal component posture based on the real-time sunlight environment, maximizing the fit with the sunlight angle and effectively improving the light energy utilization rate and overall power generation efficiency of the photovoltaic module.

The invention relates to the technical field of catalysis, and provides an amino nitrogen fertilizer production device and a use method thereof. The amino nitrogen fertilizer production device comprises a supporting assembly, a reaction container, a foaming generator, a solid-liquid separation part and an exhaust part, a cavity is formed in the reaction container, and at least one side of the reaction container is a transparent part; the reaction container is detachably arranged on the supporting assembly, and the supporting assembly is used for adjusting the posture of the reaction container so that the transparent part can face the sun; the bubbling generator is arranged in the cavity and used for inputting gas into the cavity; the solid-liquid separation part is arranged at the bottom of the reaction container and is used for discharging liquid in the cavity; the exhaust part is arranged at the top of the reaction container and is used for exhausting gas in the cavity. According to the invention, the defect of low efficiency of a device for converting solar energy into ammonia energy in the prior art is overcome, and the high-efficiency amino nitrogen fertilizer production device is realized.

The application provides a low-temperature adaptive packaging adhesive film composition, a low-temperature adaptive packaging adhesive film and a preparation method thereof, a photovoltaic module and a photovoltaic system, and relates to the photovoltaic field. The raw materials of the low-temperature adaptive packaging adhesive film composition include, according to the total mass of 100%, 40%-60% of a copolymer resin, 15%-30% of a modified thermoplastic elastomer, 5%-15% of an additive and 10%-20% of a filler; the copolymer resin includes an ethylene-acrylate-norbornene terpolymer; and the raw materials of the modified thermoplastic elastomer include maleic anhydride and a styrene thermoplastic elastomer. The low-temperature adaptive packaging adhesive film composition can still maintain good flexibility in a low-temperature environment, and will not become hard and brittle due to low temperature, thereby effectively avoiding problems such as rupture and delamination caused by the brittleness of the adhesive film.

This invention discloses a Z-Scheme type composite photocatalytic material and its preparation method. Specifically, a series of Cu2O / rGO / BiOBr composite materials were successfully prepared using a two-step method, and the amount of Cu2O in the composite material was optimized by photoreduction of Cr(VI) under visible light irradiation. By transferring and separating electrons and charges among Cu2O, rGO, and BiOBr, the light energy utilization rate and photogenerated electron-hole separation efficiency are improved, thereby enhancing the photocatalytic efficiency.

This utility model discloses an energy-saving refrigerated display cabinet, relating to the field of refrigerated cabinet technology. It includes a display cabinet body, a natural air cooling unit, an energy-saving lighting unit, and a sliding sealing unit. The natural air cooling unit is installed on the upper part of the display cabinet body. The natural air cooling unit includes a fan, a filter cover, a vortex tube, a connecting pipe, an air guide pipe, and a mounting bracket. The mounting bracket is fixedly connected to the upper part of the display cabinet body. An air guide pipe is fixedly connected to the rear inner side of the mounting bracket. A vortex tube is fixedly connected to the right end of the mounting bracket. The cold air outlet of the vortex tube is connected to one end of the air guide pipe. A fan is fixedly connected to the right end of the mounting bracket. The fan outlet is fixedly connected to the vortex tube inlet via a connecting pipe. A filter cover is threadedly connected to the fan inlet. This energy-saving refrigerated display cabinet can reduce energy consumption during use and improve the sealing performance of the device to prevent temperature drops due to poor sealing during use.