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51 results about "Full-spectrum light" patented technology

Full-spectrum light is light that covers the electromagnetic spectrum from infrared to near-ultraviolet, or all wavelengths that are useful to plant or animal life; in particular, sunlight is considered full spectrum, even though the solar spectral distribution reaching Earth changes with time of day, latitude, and atmospheric conditions.

System and method for detecting optical performance of camouflage material

The invention discloses an optical performance detection system and method for a camouflage material, and relates to the technical field of camouflage material detection, and the system comprises a structure identification and illumination control module which is used for collecting a surface image of a camouflage material sample, identifying the surface structure of the sample, starting a full-spectrum light source, and simulating step-by-step illumination from weak light to strong light; carrying out RGB imaging based on the standard illumination; and the region division module is used for applying a superpixel segmentation algorithm to the image, automatically dividing sub-regions, performing hyperspectral reflectivity scanning on each region, synchronously acquiring a light intensity image in a polarization direction, calculating a Stokes vector and constructing a polarization enhanced image. According to the method, frequency domain quantitative analysis of microcosmic interference fringes and accurate mask extraction of polarization abnormal areas can be realized, optical exposure risks of camouflage materials under complex illumination and visual angle conditions are effectively quantified through multi-angle reflection sampling and scoring function modeling, and the detection precision, the area pertinence and the automation level are remarkably improved.
Owner:NANJING QINGXI TECHNOLOGY CO LTD

Waste heterogeneous composite material interface dissociation and recovery method based on full-spectrum photo-thermal synergy and microwave gradient driving

ActiveCN120571843ASolid waste disposalTransportation and packagingData setElectromagnetic optics
The invention provides a full-spectrum photo-thermal synergistic and microwave gradient driven waste heterogeneous composite material interface dissociation and recovery method, which comprises the following steps of performing pretreatment and online analysis on a waste heterogeneous composite material to obtain a structured data set; preparing a full-spectrum photothermal conversion layer to obtain coated particles; collecting structured data and electromagnetic-optical attributes of the coated particles to obtain physical field data and an optimal process parameter set; carrying out integral preheating operation on the coated particles by utilizing a preheating system to obtain a photo-thermal activated intermediate; carrying out deep penetration microwave and synchronous photo-thermal coupling heating to obtain an interface weakening body; performing interface dissociation to obtain a dissociation product; and based on the dissociation product, airflow separation, corona-electrostatic separation and metal purification are carried out, and a multi-stream high-purity resource is obtained. According to the method, the interface dissociation efficiency, the purity of dissociation components and the resource output quality are greatly improved, and low-carbon, intelligent, accurate and efficient recycling of the waste heterogeneous composite materials is achieved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Continuous adjustable system of full-spectrum light source

The invention relates to a continuous adjustable system of a full-spectrum light source, which is applied to a nine-channel LED of the full-spectrum light source combined by nine-channel chips, and comprises an input module, a light source control module and an output module, the input module is connected with the input end of the light source control module, and the output module is connected with the output end of the light source control module; the input module is used for defining the time, the function mode, the color temperature and the luminous intensity of the light source; the light source control module comprises a time setting unit, a spectrum deploying unit and an intensity adjusting unit, the time setting unit is used for setting input time, the spectrum deploying unit is used for calculating spectrum deploying, and the intensity adjusting unit is used for adjusting luminous intensity parameters; the output module is used for outputting a spectral light source corresponding to the luminous intensity parameter. According to the nine-channel LED, the continuous adjustable system is applied to the nine-channel LED, so that the nine-channel LED has the advantages of high luminous efficiency and flexible adjustment.
Owner:GUANGZHOU MARITIME INST

Se-doped metal sulfide photocatalyst, preparation method thereof and application of Se-doped metal sulfide photocatalyst in degradation of micro-plastics

The invention relates to a Se-doped metal sulfide photocatalyst, which is a Se-doped CuInZnS photocatalyst and is of a blocky structure formed by stacking nanosheets, and Se is uniformly distributed in CuInZnS. The preparation method comprises the following steps: dispersing a copper source, an indium source, a zinc source and a sulfur source in deionized water; se powder is dispersed in an ethanol aqueous solution, and magnetic stirring is carried out at room temperature; and mixing the two solutions, and carrying out a hydrothermal reaction to obtain the Se-doped CuInZnS photocatalyst. The invention discloses application of a Se-doped metal sulfide photocatalyst. The Se-doped metal sulfide photocatalyst is applied to photocatalytic degradation of micro-plastics in water. The Se-CIZS photocatalyst has the beneficial effects that the result of a performance experiment of the Se-CIZS photocatalyst for degrading target pollutant micro-plastics shows that the degradation effect of the Se-CIZS photocatalyst on PE-MPs is obviously better than that of original CIZS under the irradiation of full-spectrum light.
Owner:WUHAN UNIV OF TECH

Electronic equipment and processing method

The invention provides electronic equipment and a processing method, and relates to the technical field of electronic equipment, the electronic equipment comprises a display screen and a backlight module, the backlight module comprises a first light source and a second light source, the first light source is a full-spectrum light source, and the second light source emits light beams of at least one color. At least one of the first light source and the second light source emits light beams to form display light beams, and the display screen achieves target display at least based on the display light beams. Wherein the color gamut range of the display light beam comprises at least one of the color gamut range of the first light beam and the color gamut range of the second light beam, and if the display light beam comprises the second light beam, the color gamut range of the display light beam changes along with the change of the color gamut range of the second light beam.
Owner:LENOVO (BEIJING) LTD

Hyperspectral water quality detection device and method

The invention provides a hyperspectral water quality detection device and a hyperspectral water quality detection method, and aims to realize water quality detection with small volume, high detection speed, high real-time performance and high precision. The device comprises a water tank, a black sealing box embedded into a transparent sample box, a hyperspectral camera, a full-spectrum light source and a processing module. A water sample is irradiated by a light source through a transparent sample box, a hyperspectral camera collects spectral data of the water sample, an embedded processing module preprocesses the data, and feature extraction and multi-parameter prediction are performed by using a water quality analysis algorithm based on a one-dimensional convolutional neural network and a multi-head attention structure. By constructing a water quality spectrum database to train the model, real-time parallel analysis and accurate prediction of spectrum data in a specific area can be realized, and predicted water quality parameters include but are not limited to indexes such as COD, turbidity, total nitrogen, total phosphorus, ammonia nitrogen and chlorophyll. The device can realize high-precision and multi-parameter water quality real-time detection, and is small in size, fast in response and wide in application range.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Fluorescence detection device and microfluidic chip detection system

The present application relates to a kind of fluorescence detection device and microfluidic chip detection system.The fluorescence detection device includes: light source providing device, configured to provide full spectrum light source;At least two optical channel boxes, configured to alternatively receive the full spectrum light source provided by light source providing device, and generate and send excitation light source;Optical channel box is also configured to receive the fluorescence generated by excitation light source excitation, and complete fluorescence detection;And switching mechanism, configured to make at least two optical channel boxes movement, to make one of at least two optical channel boxes receive the full spectrum light source provided by light source providing device.Switching mechanism makes at least two optical channel boxes movement, to make one of at least two optical channel boxes receive the full spectrum light source provided by light source providing device, convenient to operate, can realize the switching of multiple fluorescence detection channels, complete the fluorescence detection of multiple fluorescence detection channels, meet the demand of the detection target quantity required by different diseases.
Owner:XIAMEN UNIV +2

Intelligent titrator integrating multispectrum and Internet of Things

The invention provides an intelligent titrator integrating multispectrum and Internet of Things. The intelligent titrator comprises a titration main body, a multi-specification burette assembly, a multispectrum detection module, an intelligent processing module, an Internet of Things module, a light shielding assembly and a man-machine interaction module. The multi-specification burette assembly is provided with a specification identification device which can automatically identify the specification of the burette and match parameters; the multispectral detection module comprises a high-resolution image sensor and a full-spectrum light source and is used for collecting multispectral data of a solution; the intelligent processing module is integrated with a self-learning algorithm unit and supports a user-defined end point judgment model; and the Internet of Things module realizes data cloud storage, remote monitoring and multi-device networking management. According to the instrument, the accuracy and adaptability of end point judgment are improved through multispectral detection and an intelligent algorithm, multi-specification design and the function of the Internet of Things are combined, the application range is widened, the process is simplified, intelligent data management is achieved, laboratory operation cost investment is reduced, and intelligent development of analytical instruments is promoted.
Owner:DRAGON LAB INSTR

Lead-free stack perovskite PiN structure full-spectrum photoelectric detector and preparation method thereof

The invention discloses a lead-free stacked perovskite PiN structure full-spectrum photoelectric detector and a preparation method thereof, and relates to the technical field of photoelectric detection, the lead-free stacked perovskite PiN structure full-spectrum photoelectric detector sequentially comprises a single-parabolic insulating sapphire substrate, a lower electrode, a P layer, an i layer, an N layer and an upper electrode from bottom to top; the lower electrode is a Ti / Au electrode; the P layer is a diamond film; the i layer is of a lead-free stack perovskite structure and sequentially comprises a Cs2AgBiCl6 layer, a Cs2AgBiBr6 layer and a Cs3Bi2Br6 layer from bottom to top; the N layer is a beta-Ga2O3 thin film; and the upper electrode is an ITO (Indium Tin Oxide) electrode. The detector can realize full-spectrum absorption, is stable in performance and can be industrialized.
Owner:HANGZHOU INTERNATIONAL INNOVATION INSTITUTE OF BEIHANG UNIVERSITY

Full-spectrum light emitting device and full-spectrum white light emitting device

The present invention relates to a full spectrum light emitting device comprising: a solid state light source for generating excitation light having a dominant wavelength from 420 nm to 480 nm, said excitation light consisting of a plurality of light emissions of different dominant wavelengths; a photoluminescent material for generating light having a peak emission wavelength from 490 nm to 680 nm; wherein the device is used to generate light having a spectral intensity which, at wavelengths from 645 nm to 695 nm, decreases from its maximum in the orange to red wavelength region of the spectrum to 50% of the maximum.
Owner:BRIDGELUX OPTOELECTRONICS (XIAMEN) CO LTD

Cadmium sulfide quantum dot / bismuth tungstate / cadmium tungstate composite photocatalyst as well as preparation method and application thereof

The invention discloses a cadmium sulfide quantum dot / bismuth tungstate / cadmium tungstate composite photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The cadmium sulfide quantum dot / bismuth tungstate / cadmium tungstate (CdSQDs / Bi2WO6 / CdWO4) composite photocatalyst which has full-spectrum photocatalytic activity and is used for degrading organic pollutants is prepared by adopting a microwave-assisted synthesis technology, and the molar ratio of cadmium sulfide quantum dots to bismuth tungstate to cadmium tungstate is 2: (2-3): (8-12). According to the cadmium sulfide quantum dot / bismuth tungstate / cadmium tungstate composite photocatalyst as well as the preparation method and application thereof, due to the introduction of the cadmium sulfide quantum dots, the light absorption range of bismuth tungstate / cadmium tungstate is widened, and the light utilization rate is increased; the cadmium sulfide quantum dots, the bismuth tungstate and the cadmium tungstate form effective heterojunctions in close contact, so that the separation efficiency of photon-generated carriers is improved, and the photocatalytic performance is effectively improved.
Owner:QIQIHAR UNIVERSITY

LED filament combining multiple types of led dies

The present invention relates to a light emitting diode (LED) filament for use in filament lamps that outputs full spectrum light. In one aspect, the LED filament comprises a first plurality of LED dies that emit light within a first range of wavelengths and a second plurality of LED dies that emit light within a second range of wavelengths, where the first and second ranges do not overlap. The LED filament may be assembled using a plurality of die bonding processes. The LED dies may be arranged in a linear arrangement, a staggered arrangement, or combinations thereof. Additionally, the LED filament may be used in a lamp that includes the LED filaments coupled to a support mount within an envelope defining a cavity.
Owner:TECHNICAL CONSUMER PRODUCTS INC

An insecticidal lamp that promotes plant growth

This invention discloses an insecticidal lamp that promotes plant growth, comprising: a lampshade, a power supply box, a light source, an electric grid, and a lamp holder; characterized in that it further includes a first temperature sensor for detecting the temperature around the electric grid; the light source is an LED full-spectrum light source, which is composed of several LED beads with wavelengths of 310-360nm, 400-520nm, and 660-940nm; a controller connected to the first temperature sensor and the LED full-spectrum light source is provided in the power supply box, and the controller controls the shutdown of several of the LED beads according to the temperature signal fed back by the first temperature sensor. The invention utilizes the LED full-spectrum light source to attract mosquitoes, and the temperature sensor monitors the temperature of the lamp body. The temperature of the lamp body is controlled by shutting down several LED beads based on the temperature value fed back by the first temperature sensor, thereby controlling the temperature of the lamp body. Taking advantage of mosquitoes' phototaxis and temperature sensitivity, the use of a full-spectrum light source combined with a lamp body slightly warmer than the ambient temperature results in a good insect-attracting effect.
Owner:FOSHAN WINLIGHT ENERGY SAVING PHOTOELECTRIC

Full spectrum light emitting device

This invention provides a full-spectrum light-emitting device. The full-spectrum light-emitting device includes: a broad blue light excitation source; and a fluorescent layer covering the broad blue light excitation source. The fluorescent layer includes yellow-green phosphor, nitride red phosphor, and deep red phosphor, and the peak wavelength of the emission spectrum of the deep red phosphor is greater than 700 nm. By incorporating yellow-green phosphor, nitride red phosphor, and deep red phosphor into the fluorescent layer, the full-spectrum light-emitting device provided by this invention can achieve a relatively stable red light peak wavelength, and exhibit better spectral continuity and a better fit with the standard spectrum in the 425-780 nm range.
Owner:BRIDGELUX OPTOELECTRONICS (XIAMEN) CO LTD

High-frequency pulse treatment device and method for crop seeds

The invention relates to a crop seed high-frequency pulse processing device and method. The crop seed high-frequency pulse processing device comprises a conveying frame. The electric rollers are rotatably mounted at the two ends of the conveying frame, the variable-frequency and variable-speed motor is mounted on the front side face of the conveying frame, the belt supporting roller is rotatably connected to the inner side of the conveying frame, the conveying belt is arranged on the surfaces of the two electric rollers in a sleeving mode, the sealing cover is arranged at the upper end of the conveying frame, and the two hanging rods are mounted on the sealing cover. The leveling assembly is mounted on the closed hood; the cabin door automatic opening and closing assemblies are mounted at openings in the left end and the right end of the closed hood; a high-intensity alternating electric field, trace ozone sterilization and full-spectrum illumination are organically combined in the closed treatment cabin, the physiological activity of seeds is activated through the synergistic effect of multiple physical fields, the water absorption and stress resistance are enhanced, the germination rate and the seedling emergence consistency are improved, and by matching with an intelligent operation interface, the seed germination efficiency is improved. One-key selection of crop types, automatic calling of processing parameters and remote monitoring of operation states are achieved, and the purpose of efficient, accurate and convenient modernized seed processing is achieved.
Owner:宋国君

Deep-sea full-spectrum underwater video shooting compensation illumination equipment

The invention discloses a deep-sea full-spectrum underwater video shooting compensation illumination device, and relates to the technical field of underwater video detection.The deep-sea full-spectrum underwater video shooting compensation illumination device comprises a case, an underwater shooting camera is fixedly installed on the outer wall of the front edge of the case, a lamp holder is connected to the case through a multi-direction adjusting mechanism, and a full-spectrum light source module is installed on the lamp holder; the multi-direction adjusting mechanism comprises a height adjuster, a deflection angle adjuster and a pitching angle adjuster, and the full-spectrum light source module comprises a titanium alloy lamp shell, a four-color lamp assembly, a sapphire optical lens and a miniature annular piezoelectric vibrator. Through cooperative work of multiband LEDs in the four-color lamp assembly, the underwater image contrast and the color rendition degree can be enhanced through combination of different bands, the situation that shot images or videos are blurred due to the fact that suspended particles, colloidal particles and microorganisms exist in water and illumination is conducted under the water surface is avoided, and the service life of the underwater camera is prolonged. And the phenomenon of display effect distortion is solved.
Owner:GUANGZHOU SEA DOG PHOTOELECTRIC SCI & TECH CO LTD

Assembly for solar panels with ultracapacitor-battery hybrid storage system

The present invention comprises solar tubes and other components arranged in a repetitive manner to form solar bricks. More specifically, the solar bricks (102) are assembled to form a solar panel that permits multiple direct and indirect reflection of solar radiation to achieve multiple reflection due to induced optical whirl of solar rays of visible spectrum that minimizes reflectance loss. The assembly (100) includes a 3rd dimension arrangement of solar cell in solar tube that allows to trap solar radiation and utilise higher solar cell area w.r.t horizontal earth surface. The assembly includes Peltier cells suitable to operate at low differential temperature for harnessing and used solar energy that is converted to heat. Further, solar thermal and full spectrum photovoltaic generation is combined to derive maximum efficiency.
Owner:BANERJEE SONJIB

Miniaturized full-spectrum light source optical nitrate nitrogen sensor

The utility model provides a miniaturized full-spectrum light source optical nitrate nitrogen sensor which solves the problems that traditional equipment is large in size and high in cost. A miniaturized full-spectrum light source optical nitrate nitrogen sensor comprises an emitter and a receiver which are oppositely arranged, and a detection space is formed between the emitter and the receiver; the bottom of the transmitter is provided with a transmitting boss of which the cross section area is smaller than that of the end face of the transmitter, the top of the receiver is provided with a receiving boss of which the cross section area is smaller than that of the end face of the receiver, and a sample window is arranged between the transmitting boss and the receiving boss; a full-spectrum light source is arranged in the emitter, and a processor for processing transmission light passing through a sample in the sample window is arranged in the receiver. The small-size sensor can be widely applied to on-site rapid detection and real-time monitoring, the boss is arranged to enhance the circulation of water, and the area of a test surface is reduced, so that the concentration of light rays is facilitated, and the utilization rate of light and the measurement sensitivity are improved.
Owner:HANGZHOU KAIMISI IOT SENSING TECH CO LTD

Dynamic spectrum optimization method and system of full-spectrum LED light source system

The invention relates to the technical field of LED illumination, and discloses a dynamic spectrum optimization method and system for a full-spectrum LED light source system, and the method comprises the steps: obtaining initial light intensity distribution data to obtain a basic data set, and obtaining light intensity distribution offset; grouping according to the basic data set to obtain a spectrum grouping scheme; performing scene optimization according to the light intensity distribution offset and the scheme to obtain spectrum grouping configuration of scene optimization; and finally, performing fine adjustment and parameter mapping on the configuration according to real-time illumination feedback data to obtain final spectrum management output. The method can improve the precision and environmental adaptability of spectrum management.
Owner:SHENZHEN AURORA OPTOELECTRONICS CO LTD

A full spectrum light source and manufacturing method and application

The application relates to the lighting technical field, and particularly discloses a full-spectrum light source and a manufacturing method and application. The full-spectrum light source comprises a light source chip and encapsulating glue, and the encapsulating glue is mixed with compounded fluorescent powder; the light source chip is a first waveband piece with an emission peak value of 410-420 nm, a second waveband piece with an emission peak value of 430-440 nm, a third waveband piece with an emission peak value of 445-460 nm and a fourth waveband piece with an emission peak value of 465-475 nm; and the compounded fluorescent powder is blue-green fluorescent powder with an emission peak value of 490-500 nm, green fluorescent powder with an emission peak value of 525-535 nm and red fluorescent powder with an emission peak value of 650-660 nm. The full-spectrum light source has full coverage of 380-780 nm, good spectral continuity, no obvious wave peak and wave trough, uniform spectral proportion without serious disorder, strong color rendering and close to the sunlight spectrum.
Owner:SHENZHEN CAE PHOTOELECTRIC TECH CO LTD

A method for rapidly degrading new pollutants by using photosynthetic bacteria to produce active oxygen

The present invention discloses a method for rapidly degrading new pollutants by utilizing photosynthetic bacteria to generate active oxygen, and belongs to the field of water treatment. The present invention causes photosynthetic bacteria inoculated in a culture medium to grow and metabolize through illumination, thereby obtaining photosynthetic bacteria in a stable phase; a photosynthetic bacterial solution in a stable phase is added to a water body to be treated containing new pollutants, and a visible light source or a full-spectrum light source is provided to enable the efficient generation of active oxygen, thereby achieving rapid degradation of the new pollutants. The present invention's method for degrading new pollutants by utilizing photosynthetic bacteria to generate active oxygen has the advantages of high treatment efficiency, green economy, and simple operation, and provides a new solution to the problem of residual new pollutants in water bodies.
Owner:UNIV OF SCI & TECH OF CHINA

An ambient lighting control method, device, and computer-readable storage medium

This application provides an ambient lighting control method, device, and computer-readable storage medium. The method includes: converting ambient lighting effect indication data into multiple single-frame static images corresponding to different illumination periods; extracting image feature information from each single-frame static image to map a first illumination effect parameter of the optical fiber that changes over time; using light source spectral information, combined with a light attenuation function and a color synthesis function to obtain a second illumination effect parameter of the optical fiber; matching the second illumination effect parameter with the first illumination effect parameter to obtain a control function that changes over time; and controlling the light source with reference to the control function that changes over time. Through the implementation of this application, controlling the light source's illumination over time can create a full-color ambient lighting effect; adjusting the spectral composition of the light source can simulate a full-spectrum light source effect, creating a functional lighting source; and adaptively generating a light source control function to control illumination through environmental signal perception ensures diverse lighting effects.
Owner:FUDAN UNIVERSITY +1

Quercetin / covalent organic framework composite photocatalytic material and its preparation method and application

The present invention relates to a quercetin / covalent organic framework composite photocatalytic material, its preparation method, and application. The composite photocatalytic material is prepared from quercetin and a covalent organic framework material via a solvothermal method. The quercetin in the composite photocatalytic material can sensitize the covalent organic framework material, improving the separation and transfer of photogenerated electrons and holes, effectively utilizing photogenerated carriers, and exhibiting good stability. The composite photocatalytic material can be used for full-spectrum photocatalytic production of hydrogen peroxide in water and benzyl alcohol, enabling the production of clean energy from solar energy.
Owner:QINGHAI UNIV FOR NATITIES +1

Heliostat

A method and apparatus for collecting radiation by reflecting, redirecting, focusing, and transitioning the radiation, comprising providing a first reflective focusing surface, receiving full-spectrum light with the first surface, focusing the light onto a second reflective focusing surface after passing through a filtering surface, and allowing the two reflective surfaces to reflect visible light from one surface to the other and out an exit, while infrared light is minimized via the filtering surface.
Owner:ROMERO MARY CATHERINE MRS +3

Ecological floating bed based on full-spectrum photocatalytic energy storage material

This invention discloses an ecological floating bed based on a full-spectrum photocatalytic energy storage material, comprising a floating bed frame, plants, planting baskets, and a photocatalytic energy storage component. The photocatalytic energy storage component carries a full-spectrum photocatalytic energy storage material with photogenerated electron storage and dark-state release functions. This ecological floating bed utilizes a full-spectrum photocatalytic energy storage material with a wide spectral response range and photogenerated electron storage and dark-state release functions, overcoming the technical bottlenecks of traditional ecological floating bed photocatalytic materials, such as narrow spectral response range, loss of purification capacity at night, and limited functionality preventing the recovery of low-concentration resources. It achieves full-spectrum utilization and all-weather purification, and can be widely applied to the ecological restoration of polluted surface water bodies and the recovery of low-concentration metal resources from mining tailings.
Owner:NANJING UNIV

AI adaptive healthy lighting cooperative control method based on multi-modal physiological perception

The invention discloses an AI adaptive healthy lighting cooperative control system and method based on multi-modal physiological perception. The system comprises a multi-modal sensor module, an AI decision control module, a multi-channel LED driving module and a full-spectrum LED light source module. The method comprises the following steps: acquiring environment illumination intensity, color temperature, full spectrum distribution and human body existence and movement track data, and inputting the data into a pre-trained deep light color adaptation model; a pupil fluctuation response model, a spectrum fitting compensation algorithm and a crowd visual transient characteristic library are built in the model, environment parameters, human body states, time and crowd types are used as input, and cooperative control parameters of brightness, color temperature and ultrahigh frequency strobe frequency are dynamically decoupled and output. The integrated design of physiological perception, AI decision making, spectrum fitting and dynamic prediction is achieved, the visual comfort is improved, eyesight health is protected, and meanwhile energy consumption is reduced.
Owner:GUANGDONG YINUODER TECH LIGHTING CO LTD

A hyperspectral stealth method and device

The application discloses a hyperspectral stealth method and equipment, and belongs to the technical field of optical stealth. The hyperspectral stealth equipment comprises a full-spectrum LED light source, a collimating mirror, a fast mirror, a grating, a digital micromirror, a synchronous trigger, a projection lens, a standard projection plane, a hyperspectral imager and a data solving computer. The light source output by the grating is changed in the exit angle by swinging the fast mirror, and the light source output by the grating swings on the digital micromirror at the rear end of the light source, so that the hyperspectral projection is realized. The hyperspectral projector assembly is used for generating a dynamic hyperspectral projection image; the standard projection plane is used for receiving the hyperspectral projection image and scattering the projected light, so that the projection stealth effect is realized. The hyperspectral imager and the hyperspectral projection assembly are used for realizing the receiving and modulation of the hyperspectral image, and the spectral stealth is realized. The characteristic spectral band is selected by using a compression characteristic spectral algorithm, the data volume is compressed, and the real-time change of the stealth image is realized.
Owner:BEIJING INST OF TECH

Porous ceramic / carbon nanotube photo-thermal material and preparation method and application thereof

The invention relates to a porous ceramic / carbon nanotube photo-thermal material and a preparation method and application thereof. The porous ceramic / carbon nanotube photo-thermal material takes silicate as a substrate, and porous ceramic of carbon nanotubes grows under the catalysis of iron. The preparation method comprises the following steps: dissolving kaolin, a catalyst, silicate and polyethylene glycol according to a certain ratio, fully stirring, air-drying, taking out, drying in a muffle furnace, firing to obtain a primary blank, placing melamine as a carbon source in a tubular furnace, growing carbon nanotubes in an argon atmosphere through a chemical vapor deposition method, and sintering to obtain the carbon nanotube / kaolin composite material. The thickness of the carbon nanotubes in silicate can be regulated and controlled by regulating and controlling the particle size, proportion and temperature of the catalyst, and high-density carbon tube growth is constructed. The photo-thermal material has full-spectrum light absorption, the photo-thermal conversion capacity of silicate is greatly improved, the temperature of the surface of the photo-thermal material can be increased to about 55 DEG C under one sun, and the evaporation rate of 2.5 kg.m <-2 >. H <-1 > or above is achieved. The device is suitable for the fields of solar photo-thermal conversion, sewage treatment, interface evaporation and the like.
Owner:SHANTOU UNIV

Sunlight backflow prevention detection device for HUD (Head Up Display) plane mirror

The utility model discloses a sunlight backflow prevention detection device for an HUD (Head Up Display) plane mirror, and relates to the related technical field of HUD production. The device comprises a detection chamber, a material placing frame, a supporting frame and a side plate, a convex lens is fixed on the upper part in the detection chamber, the material placing frame is fixed on the edge of the upper part of the peripheral surface of the detection chamber, the supporting frame is arranged at the inner bottom of the material placing frame, a full-spectrum light source is arranged above the material placing frame, and the full-spectrum light source is arranged right above the detection chamber. The top end of the detection chamber is open, a plurality of cooling fins are fixed to the lower portion of the peripheral side of the detection chamber, the distance between every two vertically adjacent cooling fins is equal, side plates are arranged on the two sides of the detection chamber, and the two sides of each cooling fin are fixed to the two side plates respectively. Through the arrangement of the detection chamber, the discharging frame, the supporting frame and the side plates, the problems that the sunshine-proof performance detection speed of the HUD plane mirror is low, and the sunshine-proof performance detection time interval of the two HUD plane mirrors is long are solved.
Owner:XINXIANG BAIHE O E CO LTD

Preparation and application of a light-induced reversible mediated heterogeneous polymerization catalyst

The application discloses a preparation and application of a light-induced reversible mediated heterogeneous phase catalyst, wherein the heterogeneous phase light catalyst is a conjugated microporous polymer (CMP), and when the CMP is used as a catalyst, light-induced reversible complex-mediated (RCMP) polymerization can be carried out without a solvent; the obtained polymer has low dispersity (PDI=1.04-1.25); when the CMP is used as the catalyst to carry out the RCMP polymerization, the CMP has strong stability and can be repeatedly used for many times; the CMP can be induced by full spectrum light, has strong applicability and is suitable for large-scale application.
Owner:FUZHOU UNIV +1