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131 results about "Direct radiation" patented technology

Automobile central control screen small target detection method based on YOLOv11 improvement

The invention discloses an automobile central control screen small target detection method based on YOLOv11 improvement, and the method specifically comprises the steps: S1, generating an image data set, carrying out the preprocessing and enhancement, and dividing the data set; s2, an improved C3k2GCConv module, a WFU module and a CGAFusion module are introduced, and a YOLOv11 network model is constructed; s3, training the model by adopting a cosine annealing learning rate and a mixed precision training strategy; s4, inputting a to-be-detected central control screen image into the improved YOLOv11 detection model, and outputting the category and bounding box coordinates of a target; and S5, performing screening and optimization through a post-processing module, and finally outputting a detection result in the form of a bounding box and a category label. According to the method, by improving the YOLOv11 model, a display target can be effectively recognized in complex environments such as strong light direct incidence, screen reflection and dim light, and the stability and robustness of the model in a complex illumination scene are improved.
Owner:SHENZHOU QIANLI (NANJING) TECHNOLOGY CO LTD +1

Electrochromic window multi-scene control method, system and equipment based on indoor human body thermal comfort and medium

The invention relates to an electrochromic window multi-scene control method, system and device based on indoor human body thermal comfort and a medium. The method comprises the steps that a perception data set is constructed; based on the sensing data set, performing multi-parameter coupling calculation of solar incidence azimuth deviation constraint and dynamic projection overlapping to obtain a direct radiation component, performing window space coupling analysis and double space compensation calculation to obtain a scattered radiation component, and performing fusion to obtain an individual thermal radiation influence value; determining a scene category based on the perception data set, and establishing a thermal radiation evaluation benchmark by adopting a mode matched with the scene category; and if the thermal radiation evaluation benchmark exceeds a preset threshold value, the required transmissivity of the window faces is obtained through a full-transmissivity radiation distribution method, the corresponding window faces are adjusted to the target transmission gradient according to the required transmissivity, and coupling control over the wind direction and / or power of the air conditioning system is selectively triggered. According to the invention, by constructing a multi-dimensional dynamic sensing system and an intelligent control framework, collaborative optimization of human body thermal comfort and building energy efficiency is realized.
Owner:HUNAN UNIV

High Gain Multiple Input, Multiple Output Antenna

A high gain multiple input, multiple output antenna which has a feeding board; a ground plane; a low band patch radiator; a first printed circuit board; a second printed circuit board; and a high band dipole patch radiator. The high band dipole patch radiator is a co-located stacked array on top of the low band patch radiator. The high band dipole patch radiator and the low band patch radiator are proximity coupled with the first printed circuit board and the second printed circuit board. The low band patch radiator covers low band frequencies in the range of 2.4 GHz to 2.5 GHZ and the high band dipole patch radiator cover high band frequencies in the range of 4.9 GHZ to 7.125 GHz. The antenna assembly has a gain of above 7.5 dBi and a well-directed radiation patten with no side lobes.
Owner:TE CONNECTIVITY SOLUTIONS GMBH

Intelligent vacuum glass thermoelectric greenhouse

The invention relates to the technical field of greenhouse cultivation, in particular to an intelligent vacuum glass thermoelectric greenhouse which comprises a vacuum glass plate, a collecting system, a circulating system and a control system. The vacuum glass plates are arranged at the top and the periphery of the mounting framework; the collecting system is connected with a vacuum glass plate at the top of the mounting framework; the circulating system is connected with the collecting system; the control system is electrically connected with the circulating system; through the vacuum glass plate integrated with the perovskite solar cell layer, the Low-E film and the microfluid channel, solar energy can be accumulated in winter, and heat can be efficiently supplied to the interior of the greenhouse in a one-way mode; rainwater can be collected and circulated in the micro-fluid channel for active cooling, meanwhile, strong light direct radiation in summer is converted into soft scattering, and the seedling cultivation environment is guaranteed. The problems that energy consumption of cold and hot regulation and control of a vacuum glass greenhouse in summer and winter is high, and the generating capacity of a traditional solar photovoltaic panel cannot effectively maintain a temperature regulation and control system are solved.
Owner:NANJING SHENWEI OPTOELECTRONIC TECH RES INST CO LTD

Method for operating a lidar sensor system

A method for operating a LiDAR sensor system. The LIDAR sensor system includes a transmitter unit, a receiver unit, and at least one mirror. The method includes: a) emitting transmitted radiation by means of the transmitter unit; b) in a first operating mode, aligning the at least one mirror such that the direction of the reflected radiation is influenced such that it is reflected in the direction of the receiver unit; and c) in a second operating mode, aligning the at least one mirror in such a way that the transmitted radiation of the transmitter unit is directed along a direct radiation path of the receiver unit.
Owner:ROBERT BOSCH GMBH

Satellite-borne flexible coverage multi-beam antenna and design method thereof

The invention discloses a satellite-borne flexible coverage multi-beam antenna and a design method thereof, and the antenna is composed of a reflector and a feed source array. A beam synthesis mode of synthesizing each beam by a full-scale feed source is adopted, antenna parameter configuration is optimized, and a feed source array excitation coefficient is reconstructed to carry out beam flexible coverage design, so that the problems that a traditional satellite-borne passive antenna does not have a beam on-orbit reconfigurable capability, the number of direct radiation array antennas is large, and a system is complex are solved; in-orbit flexibility and variability of antenna coverage size, coverage shape, coverage position, beam scale and the like in a service area are met, and an antenna design theoretical method and key technical support are provided for high-flux flexible load satellites in the future.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

DEM-based earth surface solar radiation prediction method, equipment and medium

PendingCN121456246APhotometryHeight/levelling measurementSkyGlobal solar radiation
The invention discloses a DEM-based earth surface solar radiation prediction method, equipment and a medium. The method comprises the following steps: correcting a direct radiation reference value based on nonlinear attenuation of a cloud layer to direct radiation to obtain actual direct radiation; based on the enhancement effect of the cloud layer on the scattered radiation, correcting the scattered radiation reference value to obtain first actual scattered radiation; according to a preset shadow judgment criterion, calculating actual horizontal plane direct radiation after the actual direct radiation reaches the earth surface by taking the condition that the slope surface back to the sun has no direct radiation as a constraint; calculating second actual scattered radiation after the first actual scattered radiation reaches the earth surface according to the control of the sky vision field factor of the earth surface area on the scattered radiation; calculating reflected radiation generated after the actual direct radiation and the first actual scattered radiation reach the earth surface based on the Lambert reflection law; therefore, the total solar radiation is obtained. According to the invention, high-precision quantification of earth surface solar radiation under complex terrain conditions is realized.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI

Photovoltaic power station equipment operation optimization method, system, device and readable storage medium

The present application relates to the technical field of photovoltaic power generation, and discloses a photovoltaic power station equipment operation optimization method, system, device and readable storage medium, the present application obtains a radiation type index by using horizontal plane total radiation data and component surface direct radiation data of the photovoltaic power station equipment, to construct a proportional quantization model about direct radiation and scattered radiation, to facilitate capturing the radiation mutation of the actual operation of the photovoltaic power station under the condition of sand and dust; then by inputting the current radiation type index and real-time environmental data into the trained random forest prediction model, the present application breaks through the limitation of the traditional power prediction model which only depends on total radiation, and can obtain more accurate predicted power; by predicting the power, the current radiation type index and the working mode type, an intelligent decision model is used for decision-making to obtain the optimal equipment operation rule, and the operation state of the photovoltaic power station equipment is optimized by using the optimal equipment operation rule, so as to ensure the efficient and reliable operation of the photovoltaic power station equipment.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD

Lithographic apparatus and inspection system with hybrid free space optics and photonic integrated circuits

A lithographic apparatus includes a projection system and an inspection system including a radiation system, a photonic integrated circuit system, and a detector system. The projection system projects an image of the patterning device onto a substrate. The radiation system directs radiation toward a target on the substrate to generate scattered radiation from the target. The radiation system includes a radiation source for generating radiation and an optical system for focusing the radiation onto a target. A photonic integrated circuit system includes a waveguide system integrated on a board and a radiation coupler disposed at a waveguide of the waveguide system. The radiation coupler initiates at least a portion of the scattered radiation into the waveguide system. A detector system receives the scattered radiation from the waveguide system and generates a measurement signal based on the scattered radiation.
Owner:ASML NETHERLANDS BV

Methods of making a deflection member

A method for manufacturing a deflection member is disclosed. The method may include the steps of providing an additive manufacturing apparatus that includes at least two radiation sources and photopolymer resin, providing a reinforcing member, contacting a surface of the reinforcing member with the photopolymer resin, and directing radiation from the radiation source(s) towards a surface(s) of the reinforcing member to at least partially cure photopolymer resin in contact with the surface of the reinforcing member.
Owner:PROCTER & GAMBLE CO

Reflector assemblies for substrate processing adjustability, and related process chambers, methods, and systems

The present disclosure relates to reflector assemblies for substrate processing adjustability in semiconductor manufacturing, and related process chambers, methods, and systems. In one or more embodiments, a process chamber includes a chamber body at least partially defining a processing volume, a substrate support disposed in the processing volume, and a heat assembly disposed outwardly of the processing volume. The heat assembly is operable to direct radiation to a target location in the processing volume. The heat assembly includes a reflector pivotable relative to an axis to move the target location and scan the radiation, and a radiation source oriented to emit radiation toward the reflector.
Owner:APPLIED MATERIALS INC

Cardiovascular interventional therapy device for department of cardiology

The invention discloses a heart and cerebral vessel interventional therapy device for the department of cardiology, and relates to the field of interventional therapy, the heart and cerebral vessel interventional therapy device comprises a linear module track, a U-shaped mounting frame is movably mounted on the linear module track, a lifting plate is slidably mounted on the U-shaped mounting frame, a movable sliding table is slidably mounted on the lifting plate, and an interventional box is arranged on the bottom side of the movable sliding table; an intervention head is arranged at one end of the intervention box. According to the device, medical staff can be helped to carry out heart and cerebral vessel interventional therapy in the state of being far away from X-ray equipment, the medical staff can avoid direct radiation exposure in a shielding radiation room, the harm of radiation to the medical staff is greatly reduced, occupational injuries are reduced, and the treatment efficiency is improved. According to the device, alternate arrangement and use of the guide wire, the catheter and the stent conveying wire can be completed, interventional therapy of heart and cerebral vessels is achieved, meanwhile, the physical strength effect of medical staff in the operation process is lowered, and the medical staff can keep a good physical state to treat more patients.
Owner:SHANXI BETHUNE HOSPITAL (SHANXI ACAD OF MEDICAL SCI SHANXI HOSPITAL OF TONGJI HOSPITAL AFFILIATED TO TONGJI MEDICAL COLLEGE OF HUAZHONG UNIV OF SCI & TECH SHANXI MEDICAL UNIV THIRD HOSPITAL SHANXI MEDICAL UNIV THIRD CLINICAL COLLEGE OF MEDICINE)

Polar axis type solar direct radiation spectrum measurement method and system

The invention discloses a polar axis type solar direct radiation spectrum measurement method and system, belongs to the technical field of solar direct radiation spectrum measurement, and aims to solve the problems that an existing measurement system depends on complex double-axis tracking, has many errors, is high in maintenance cost and is insufficient in latitude adaptability. The system comprises a polar axis rotating reflector and a solar spectrum measurement system, the polar axis rotating reflector directly radiates and reflects the sun with the solar elevation angle of + / -23.5 degrees and the solar azimuth angle of + / -90 degrees to the measurement system, and measurement is achieved in combination with a spectrum reconstruction model. The spectral resolution is superior to 2 nm, the single-point error ranges from-6.83% to 6.61%, the area error ranges from-0.03% to 0.05%, the space-time uniformity is larger than or equal to 99.92%, the structure is simplified, all-year-round all-latitude high-precision measurement without moving tracking is achieved, and the method is suitable for the fields of solar energy development, climate change research and the like.
Owner:CHANGCHUN UNIV OF SCI & TECH

A calculation method for an optical model of a parallel slat transparent heat-insulating window

This invention discloses a calculation method for an optical model of a parallel slat transparent heat-insulating window, including: determining environmental parameters such as the sun's position; determining the solar radiation value and the incident angle of direct radiation; determining the maximum number of reflections and the incident light segmentation ratio; calculating the transmittance of direct-to-direct radiation from the slats; calculating the transmittance and reflectance of direct-to-scattered radiation from the slats; calculating the transmittance and reflectance of scattered-to-scattered radiation from the slats; determining the transmittance, reflectance, and absorptivity of back radiation transmission; calculating the transmittance and reflectance of direct radiation, and the transmittance and reflectance of scattered radiation from the single-pane glass; calculating the solar radiation transmission through the parallel slat transparent heat-insulating window using the net radiation method; and further fitting a simplified formula for calculating solar transmittance. This invention enables designers to perform optical calculations on parallel slat transparent heat-insulating windows and reasonably evaluate their performance and energy-saving potential.
Owner:HUNAN UNIV

Shading detection tool for Low-E coated glass

The utility model relates to a sunshade Low-E coated glass forming detection tool which comprises a main board, the main board and the lamp carrying frame are of a parallel loading structure, two sets of insertion plates are installed between the main board and the lamp carrying frame, a partition frame is connected between the two sets of insertion plates, and detection photosensitive paper and a coated glass plate are inserted into the two sets of insertion plates respectively; a detection lamp is mounted on the outer side of the lamp carrying frame, the detection lamp is of a plate-shaped structure and is flatly laid on the outer side of the lamp carrying frame, and detection light of the detection lamp directly irradiates the coated glass plate; and the mainboard and the lamp carrying frame are vertically inserted into the detection box. The utility model provides a forming detection tool for sunshade type Low-E coated glass. The detection box for independently testing the coated glass by adopting the light-proof box body is matched with the combined plate body to complete the detection process, and the uniform light-proof direct radiation detection is performed on the coated glass to be detected and the photosensitive paper matched with the detection in the process, so that the technical problem that the detection precision is influenced by an external optical fiber in the previous detection process is solved.
Owner:HENGXUAN NEW ENERGY TECH CO LTD

Method of forming an illumination mode, method of exposing a substrate and illumination system

PCT designated stageWO2026153738A1EngineeringDirect radiation
A method of forming an illumination mode using an illumination system comprising an array of individually controllable reflective elements arranged to direct portions of a radiation beam to desired locations in a pupil plane. The method comprises allocating different reflective elements of the array to direct radiation to different locations in the illumination mode by: determining a desired power spectral density function of radiation directed by the array of reflective elements to the illumination mode, the desired power spectral density function including a cutoff frequency; applying different phases to frequency components of the power spectral density function; transforming the power spectral density function into a spatial domain signal that varies as a function of positions of the reflective elements; and using the spatial domain signal to allocate reflective elements that direct radiation to different locations in the illumination mode.
Owner:ASML NETHERLANDS BV

Optical splicing focal plane assembly applied to space remote sensing camera

The invention relates to the field of space remote sensing, in particular to an optical splicing focal plane assembly applied to a space remote sensing camera, which comprises a focal plane substrate, and a direct detector assembly, a reflection detector assembly, an optical splicing focal plane reflector assembly, a module support assembly and a thermal control assembly which are respectively mounted on the focal plane substrate, wherein the direct radiation detector assembly is used for directly receiving optical signals and converting the optical signals into electric signals, the reflection detector assembly is used for receiving the optical signals reflected by the optical splicing focal plane reflector assembly and converting the optical signals into electric signals, and the module supporting assembly is used for supporting rear end modules of the direct radiation detector assembly and the reflection detector assembly. The thermal control assembly is used for guiding out heat generated by the direct radiation detector assembly, the reflection detector assembly and the module supporting assembly. The problem of thermal deformation caused by working temperature rise of the detector is effectively inhibited, and the imaging positioning precision of the space remote sensing camera is remarkably improved.
Owner:CHANGCHUN CHANGGUANG ZHIYUAN TECHNOLOGY CO LTD

A direct radiation-convection coupled aerodynamic-thermal ground simulation test device

This invention relates to a direct-fire radiation-convection coupled aerodynamic thermal ground simulation test device, comprising a convection heat source, a four-way mixing chamber, a radiation heat source, an ellipsoidal reflector, a water-cooled nozzle, a test model, and a model loading base. Two convection heat sources are bolted together at both ends of the transverse passage of the airflow chamber in the four-way mixing chamber. One radiation heat source is threaded to the radiation source mounting hole in the four-way mixing chamber. The ellipsoidal reflector, after being coated with high thermal conductivity silicone grease, is attached to the radiation chamber of the four-way mixing chamber and secured by pressure between the radiation chamber and the airflow chamber. The water-cooled nozzle is bolted to the small end of the longitudinal passage of the airflow chamber in the four-way mixing chamber. The test model is mounted on the model loading base, with the model's stagnation point a certain distance from the water-cooled nozzle outlet and located at the far focal point of the ellipsoidal reflector. This invention is mainly used for radiation-convection coupled aerodynamic thermal ground simulation tests.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Textile fabric anti-sun detection device

The application discloses a kind of textile fabric anti-sun detection devices, belong to textile fabric detection technical field.The textile fabric anti-sun detection device includes detection bin, arc track assembly, sun direct radiation simulation component, clamping assembly, back shadow simulation component and dynamic simulation component;Through the sun direct radiation simulation component that dynamic walking along arc track assembly, realize the continuous irradiation simulation of full angle of sunrise and sunset;Through back shadow simulation component and dynamic simulation component cooperation, realize the dynamic working condition simulation of fabric local deformation, continuous swing, while cooperating with back shadow simulation component, realize the superposition simulation of fabric back environmental light and dynamic shadow simultaneously;Finally realize the multi-dimensional, high degree of textile fabric anti-sun working condition collaborative simulation, solve the problem that single simulation scene of prior art, and actual working condition deviation is big, detection precision is low, and adaptability is poor.
Owner:SHANGHAI FANWEN IND CO LTD

Radiation source direct positioning method based on random sampling

The invention relates to a radiation source direct positioning method based on random sampling, belongs to the technical field of radiation source direct positioning, and solves the problem of large calculation amount of radiation source direct positioning in the prior art. Comprising the following steps: receiving radiation source signals from different directions by using dispersedly arranged receiving nodes, and sampling received data to obtain observation sample data at different moments; grid division is carried out on the radiation source sensing area coordinate system; randomly selecting a preset number of grid points according to uniform distribution, and calculating likelihood ratio test statistics subjected to time delay compensation as matrix elements of the positions of the grid points based on observation sample data and the positions of the selected grid points; and completing matrix element completion of the whole radiation source sensing area based on a low-rank matrix completion method to form a sensing area receiving signal synchronization likelihood ratio test statistic matrix, and determining a peak position in the sensing area receiving signal synchronization likelihood ratio test statistic matrix as a radiation source position. The radiation source direct positioning method based on random sampling is realized.
Owner:36TH RES INST OF CETC

Headlamp lens with high beam and low beam functions

The invention discloses a headlamp lens with a high beam and low beam function, and relates to the technical field of automobile accessories, the headlamp lens comprises a base, a first high beam set is mounted on the front side of the outer wall of the base, a low beam set is mounted on the left side of the outer wall of the first high beam set, and a second high beam set is mounted on the left side of the outer wall of the low beam set; first sliding blocks are installed at the connecting positions of the first high beam set, the low beam set and the second high beam set and the base, first sliding rails are installed at the connecting positions of the first sliding blocks and the base, a visual sensor is installed on the upper side of the outer wall of the base, and locking devices are installed at the connecting positions of the first high beam set, the low beam set and the second high beam set and the first sliding blocks. By installing the first sliding rail, the first sliding block, the locking device, the rotating device and other structures, the function of adjusting the height and angle of high and low beams is achieved, the problems of dazzling due to vehicle height difference, dazzling due to light beam scattering superposition and manual adjustment lag are solved, and dazzling caused by direct incidence of the high and low beams to a driver and distraction caused by manual adjustment can be avoided.
Owner:FOSHAN TUFF PLUS AUTO LIGHTING

Method and device for photovoltaic array layout optimization based on dynamic coupling of irradiation and shadow

The application relates to a photovoltaic array layout optimization method and device based on irradiation and shadow dynamic coupling, and the method comprises the following steps: constructing a total irradiance model about a photovoltaic component inclination angle and a photovoltaic component azimuth angle according to direct solar radiation, scattering radiation and reflected radiation of the inclined surface of the photovoltaic component; calculating a shadow loss factor by combining a critical unshaded spacing and an actual spacing of front and rear rows of the photovoltaic component array, and coupling the shadow loss factor to the total irradiance model to obtain an effective irradiance model; constructing an optimization objective function based on the effective irradiance model by taking the maximization of annual effective irradiance as an optimization objective; and adopting the lemur optimization algorithm to perform comprehensive balance optimization of dynamic irradiance benefits and shadow losses on the optimization objective function by taking the photovoltaic component inclination angle, the photovoltaic component azimuth angle and the actual spacing as optimization variables to obtain an optimal variable combination. The application can solve the core problems of large irradiation calculation error, static shadow evaluation and low optimization efficiency.
Owner:GUANGDONG UNIV OF TECH

Energy-saving door and window for building

The invention relates to the technical field of energy-saving doors and windows, in particular to a building energy-saving door and window which comprises a main body unit, a window frame, a rectangular baffle arranged in the window frame, a window sash unit, a window body mechanism arranged in the window frame, a shielding unit and a shielding mechanism arranged on the window frame. Through the design of components such as a fixing mechanism, the use safety is guaranteed, the opening state can be flexibly adjusted according to different weather conditions and use requirements so as to optimize the ventilation effect, the outer side of window sash glass can be conveniently cleaned, meanwhile, cooperation of safety, ventilation and energy saving is achieved, and through the adjustable shielding structure, the ventilation effect is improved. A certain rainproof effect can be achieved, the influence of ultraviolet rays and strong light perpendicular incidence can be reduced through the shielding structure, the influence of sunlight on the indoor temperature can be reduced, dependence on equipment such as an air conditioner and a fresh air system can be further reduced, the door and window can be suitable for being used in various different environment scenes, and the practicability and flexibility of the door and window are further improved.
Owner:JIANGSU ZHENGWEI CONSTR

A system and method for testing direct radiation components of flow noise from a sea pipe

The application discloses a kind of direct radiation component test systems of sea pipe orifice flow noise, including test bench, test pipeline and underwater acoustic sensor, the test bench includes three-dimensional support structure, floating raft shock isolation seat and sea pump;The bottom of the three-dimensional support structure is fixed to the bottom of lake, the top of the three-dimensional support structure is provided with floating raft shock isolation seat, and the floating raft shock isolation seat is located on the water surface;The sea pump is installed on the floating raft shock isolation seat;The outlet of the test pipeline is connected with the inlet of the sea pump, and the water inlet of the test pipeline is the sea inlet;The underwater acoustic sensor is installed at the measuring point in front of the sea inlet.The application also discloses a kind of direct radiation component test methods of sea pipe orifice flow noise.The beneficial effects of the application are that the test method for separating the direct radiation component of sea pipe orifice flow noise can exclude the vibration sound radiation interference of the first sound channel and the second sound channel, and the direct radiation energy of sea inlet flow noise is separated through later data processing.
Owner:CHINA SHIP DEV & DESIGN CENT

Back adhesive bubble visual detection system and method based on image analysis

The invention relates to the technical field of image analysis, in particular to a gum bubble visual detection system and method based on image analysis. The device comprises an image segmentation unit, an abnormal adjacent unit and a region detection unit. The area detection unit judges whether the two abnormal square areas have an adjacent relation by utilizing the coordinates of the upper left corners and the lower right corners of the two abnormal square areas, and when the adjacent relation exists, the adjacent abnormal square areas are recorded and combined, and the adjacent abnormal pixel points in the combined abnormal square areas are connected into a continuous shape, so that the adjacent abnormal square areas are detected. The color saturation of abnormal pixel points in the continuous shape is extracted, whether gum bubbles or gum reflection exists in adjacent abnormal square areas or not is detected by combining the continuous shape, and it is ensured that the gum bubbles and the gum reflection can be accurately detected under different illumination conditions; the situation that reflected light is mistakenly regarded as bubbles under the complex illumination condition of direct strong light can be avoided, the false detection rate is reduced, and therefore the detection accuracy is improved.
Owner:KUNSHAN KEYIXIN ELECTRONICS CO LTD

Infrared heat shielding type rare earth hafnate-based composite ceramic coating material and preparation method thereof

The application discloses an infrared heat shielding type rare earth hafnate-based composite ceramic coating material and a preparation method thereof, and belongs to the technical field of thermal barrier coating materials.The application aims to solve the problem that the existing rare earth hafnate ceramic material mainly in pyrochlore / defect fluorite structure has the advantages of low thermal conductivity and high temperature phase stability, but does not have shielding effect on infrared heat radiation, the prepared thermal barrier coating is penetrated by infrared heat radiation at high temperature, the metal substrate is directly radiated and heated, and the working life of the coating material is reduced.The spinel structure ceramic with low infrared transmittance, high infrared emissivity and high infrared absorptivity is used as a dispersed phase to modify the rare earth hafnate-based phase ceramic with pyrochlore / defect fluorite structure, and an infrared heat shielding type composite ceramic coating material with low thermal conductivity, high temperature phase stability and ultralow infrared transmittance is prepared, and the material has a good application prospect.
Owner:HARBIN INST OF TECH

Direct radiation suction type household heat pump air conditioner

The invention discloses a direct radiation suction type household heat pump air conditioner. The air conditioner comprises a heating unit; the outdoor unit comprises a solar air heat source pump outdoor unit used for heating a room to be heated, and the solar air heat source pump outdoor unit comprises a solar reflection steel plate shell; the solar heat collection evaporator is mounted at the upper part of the solar reflecting steel plate shell; the punched tempered glass is arranged on the outer side of the solar heat collection evaporator and used for blowing the entering air to the surface of the solar heat collection evaporator; and the guide plate is mounted on the inner side of the solar reflecting steel plate shell and is positioned at the lower end of the solar heat collection evaporator. And in the air draft process of the fan, negative pressure can be generated in the solar reflecting steel plate shell, so that air enters the solar reflecting steel plate shell from the perforated tempered glass and is uniformly blown to the surface of the solar heat collection evaporator, and the energy efficiency ratio and the operation stability of the system are integrally improved.
Owner:中核第七研究设计院有限公司

Card-handling devices with defect detection and related methods

Card-handling devices may include an input area sized and shaped to receive cards and an output area for outputting at least some of the cards. A defect detection system may be located along a card path downstream from the input area. The defect detection system may include an emitter positioned and oriented to direct radiation toward a major surface of a card as the card moves along the card path. A detector may be positioned and configured to detect the radiation emitted by the emitter and reflected from the major surface of the card as the card moves along the card path. A controller may be operatively connected to the detector and configured to correlate a signal from the detector with an identification of a degree to which the major surface of the card has deviated from a reference plane.
Owner:SHUFFLE MASTER GMBH & CO KG

Conformal looped metal cavity omni-directional antenna based on aperture radiation

The application discloses a conformal annular metal cavity omnidirectional antenna based on slot radiation and belongs to the technical field of antennas, which comprises an annular metal cavity for containing a columnar carrier; two rectangular slots are symmetrically formed on the side wall of the annular metal cavity; two coaxial feeding structures; and a conical metal cavity is coaxially arranged on the periphery of the annular metal cavity and used for balancing the electric field phases of the two rectangular slots. After the two rectangular slots are excited, the directly radiated electric field in the horizontal plane has the problem of uneven electric field distribution, which causes the radiation recess to exist unevenly in the horizontal plane pattern. By loading the conical metal cavity around the annular metal cavity, the introduction of the conical metal cavity metal balances the rectangular slot and the radiated horizontal plane electric field, improves the electric field distribution, and improves the omnidirectional characteristics and horizontal plane gain of the antenna.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Photovoltaic generating capacity prediction method based on illumination simulation

The invention provides a photovoltaic generating capacity prediction method based on illumination simulation, and the method comprises the steps: sequentially completing the data acquisition and standardization, terrain modeling, sun position and direct radiation calculation, point-by-point illumination simulation to obtain shielding and scattering, total radiation aggregation and coupling plate inclination angle correction, and finally predicting the generating capacity in combination with a conversion efficiency parameter. And high-precision photovoltaic output prediction under a complex terrain is realized. According to the invention, the precision and reliability of photovoltaic power generation prediction can be improved, and powerful technical support is provided for planning, operation and scheduling of a photovoltaic power station.
Owner:POWER CHINA KUNMING ENG CORP LTD