238 results about "Direct radiation" patented technology

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.

The invention relates to a directed radiation refrigeration coating, a coating composition and preparation and application thereof, and the heat radiation path of the directed radiation refrigeration coating is changed by adjusting the refractive index between the coatings, so that the heat radiation angle is changed. Furthermore, the heat radiation angle can be accurately controlled by regulating and controlling the thickness of the coating and the proportion of filler components, so that the heat can be greatly exchanged to the outer space through an atmosphere window by changing the heat radiation angle even if the coating is coated on the surface of a base material in the direction perpendicular to the sky, and the refrigeration effect is remarkably improved.

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.

The invention discloses an engineering calculation method and device for back irradiance of a high-precision double-sided photovoltaic module. The calculation method comprises the following steps: (1) inputting related parameter information of a photovoltaic power station; (2) the array is simplified into a two-dimensional diagram, and the sun position including the zenith angle and the azimuth angle is calculated; (3) calculating the ground shadow condition according to the geometric information of the component and the sun position; (4) calculating a sky view angle factor between rows which can be seen by each ground section according to the geometric parameters of the array; calculating an incident angle according to the dip angle, the component azimuth, the solar azimuth and the zenith angle; using a Perez model to decompose the input horizontal direct radiation irradiance and horizontal diffusion irradiance into a direct radiation part, an isotropic diffusion part, an annular solar region diffusion part, a horizon line scattering part and a ground reflection part; using a Perez model to calculate the diffused irradiance of the inclined plane; and (5) calculating the back irradiance after all the steps are completed. According to the method, a three-dimensional scene is simplified into a two-dimensional scene, a View Factor method, back shadow analysis and a sky view angle factor algorithm are simplified, the irradiance received by the ground is accurately considered, and the irradiance received by the back is calculated by using angle-by-angle incidence loss, so that the accuracy is not lacked, and the operation efficiency is high.

An apparatus and method for radiation measurement are used to determine clearance of a rotating gas turbine component. The apparatus includes a probe body on a stationary component outward of the rotating component and a pair of sensor assemblies coupled to the probe body. Each sensor assembly includes a plurality of prisms coupled to the probe body Each prism of the plurality of prisms has a distinct angular orientation to direct radiation from the focusing lens to the rotating component surface off-axis with respect to an axis of the respective radiation source of the pair of radiation sources and with less directional variation than radiation from the respective radiation source.

The invention relates to the technical field of solar heat collection, in particular to a planetary gear train solar heat collection reactor for methane reforming reaction, which comprises a heat absorption tube and a hollow tube, planetary gears are respectively fixed at two ends of the heat absorption tube, the planetary gears are meshed with gear rings, sun gears are respectively fixedly connected at two ends of the hollow tube, and the sun gears are meshed with the gear rings. The sun gear is meshed with the planet gear, the sun gear is in transmission connection with the servo motor through a rotating shaft, the servo motor drives the sun gear to rotate, and the sun gear drives the planet gear to rotate in the gear ring; a heat absorption pipe direct radiation heating mode is adopted, the heat efficiency of the system is greatly improved, the axial temperature gradient is effectively reduced, the heat absorption pipe is driven by the planetary gear train to move in a three-dimensional mode, and temperature uniformity control is achieved; the problem that an existing solar heat collector is limited in the aspects of efficiency, stability and energy conversion diversity is solved, and the conversion efficiency of methane and carbon dioxide is improved.

The invention relates to a photovoltaic array layout optimization method and device based on irradiation and shadow dynamic coupling, and the method comprises the steps: constructing a total irradiance model related to the inclination angle and azimuth angle of a photovoltaic module according to the direct solar radiation, scattered radiation and reflected radiation of the inclined surface of the photovoltaic module; calculating a shadow loss factor in combination with the critical unshielded spacing and the actual spacing of the front row and the rear row of the photovoltaic module array, and coupling the shadow loss factor to the total irradiance model to obtain an effective irradiance model; taking maximization of annual effective irradiance as an optimization objective, and constructing an optimization objective function based on an effective irradiance model; and by taking the inclination angle of the photovoltaic module, the azimuth angle of the photovoltaic module and the actual spacing as optimization variables, carrying out comprehensive balance optimization of dynamic irradiance income and shadow loss on the optimization objective function by adopting a fox-monkey optimization algorithm to obtain an optimal variable combination. According to the method, the core problems of large irradiation calculation error, shadow evaluation staticization and low optimization efficiency can be solved.

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.

Systems and methods are described herein for providing a direct radiating antenna (DRA) for installation on a communication satellite. The DRA is a phased array of microstrip patch antennas implemented in a very compact profile on a planar substrate. Embodiments of array are implemented as an array of radiating element configurations, each having a microstrip radiating element (e.g., a square patch) coupled to a first side of the planar substrate, amplifiers coupled to a second side of the planar substrate, and filters (e.g., diplexers) coupled between the radiating elements and amplifiers. A thermal conduction layer (e.g., a graphoil or vapor chamber layer) is thermally coupled with the second side of the planar substrate, and a thermal radiation layer (e.g., an optical solar reflector) is thermally coupled with the thermal conduction layer.

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.

In order to achieve higher fusion efficiency, the invention separates the process of fusion plasma compression and fusion ignition into two. Plasma compression is performed with whispering gallery mode radiation, typically laser radiation. The ignition of hot spots created by compression is performed by the solution according to the invention by direct irradiation, typically by direct proton radiation. One of the advantages of separating compression and rapid ignition is that less energy consumption is sufficient to create fusion than with other solutions, moreover, smaller energy shocks do not break the hydrodynamic stability of the plasma, so the fusion is more efficient.

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.

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.

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.

The present invention belongs to the technical field of DNI data processing, and specifically relates to a method for obtaining accurate DNI data for a tower mirror field. The method comprises: S1: quality judgment of direct radiation data: obtaining extraterrestrial normal direct radiation, normal direct radiation on the earth's surface, total horizontal global radiation on the earth's surface, and scattered horizontal radiation on the earth's surface from a meteorological station, and calculating the direct beam transmittance, effective global horizontal transmittance, and effective scattered horizontal transmittance in combination with the solar zenith angle; dividing the direct radiation DNI into three levels based on the direct beam transmittance, effective global horizontal transmittance, and effective scattered horizontal transmittance; S2: obtaining accurate DNI data according to the classification of direct radiation DNI. The method provided by the present invention can obtain accurate DNI data, and provide help for more accurately determining the number of heliostat projections and calculating more accurate thermal energy.

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.

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.

According to the heavy load module suitable for the high-temperature radiation environment, an upper channel opening and a lower channel opening of an inter-belt channel between transmission belts on the two sides between a driving belt wheel and a driven belt wheel face a base sectional material and a top cover respectively, and the positions where position sensors need to be arranged are each provided with a heat avoiding cylinder; each heat-avoiding cylinder penetrates through the channel between the belts, the top end of each heat-avoiding cylinder is embedded into a top cover through hole in the top cover, the bottom end of each heat-avoiding cylinder is embedded into a plate body through hole of the base profile, and each position sensor is integrally installed in the bottom of the corresponding matched heat-avoiding cylinder hole. According to the utility model, the structure is compact, the performance is reliable, the installation and disassembly of the position sensor are facilitated, the high-temperature direct radiation to the position sensor in multiple directions is effectively isolated, the service life of the position sensor is prolonged, the interference to the position sensor when a moving part in the shell moves and passes is avoided, and the reliability of the position sensor is improved. Therefore, the position sensor can be far away from the top cover as far as possible and is far away from a heat source in the top cover direction as far as possible.

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.

A method may include directing radiation toward at least two targets using an optical scanning system to generate a first portion and a second portion of scattered radiation. The first target may include a plurality of first grating line structures including a feature having a first offset value. The second target may include a plurality of second grating line structures including features having a second offset value. The method may include detecting a first portion and a second portion of scattered radiation, generating a first measurement signal indicative of a first target position based on a first bias feature, and generating a second measurement signal indicative of a second target position based on a second bias feature. The method may include analyzing effects of the first bias value and the second bias value on the first position and the second position to determine at least one characteristic of the target set.

The utility model discloses a structure for reducing heat loss in a sintering furnace, which comprises a sintering furnace body, a built-in heat insulation layer is arranged in the sintering furnace body, a plurality of first brackets are fixedly mounted between the outer wall of the built-in heat insulation layer and the inner wall of the sintering furnace body, and a plurality of first reflecting plates are fixedly mounted on the outer wall surface of the built-in heat insulation layer at equal angles. A mounting support is arranged outside the sintering furnace body, a plurality of second brackets are fixedly mounted between the outer wall of the sintering furnace body and the inner wall of the mounting support, a plurality of second reflecting plates and a plurality of third reflecting plates are fixedly mounted on the outer wall face of the mounting support at equal angles, and an external heat insulation layer is arranged outside the mounting support. The multiple reflecting plates are arranged, heat radiation generated in the furnace can be reflected multiple times, more heat is absorbed by sintering materials, meanwhile, direct radiation loss to the outside is reduced, heat loss in a conduction mode can be effectively blocked by arranging the internal heat insulation layer and the external heat insulation layer, and the heat insulation performance of the furnace body is further improved.

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.

The utility model discloses a range hood which comprises a machine shell, an upper oil smoke suction cavity, a lower oil smoke suction cavity, a lower oil smoke suction cavity and an upper oil smoke suction cavity, the upper flow guide plate is connected with the machine shell and covers at least part of the bottom opening; the first baffle and the upper flow guide plate are vertically arranged and at least partially overlapped, so that an oil fume suction channel communicated with the upper oil fume suction cavity is defined between the first baffle and the upper flow guide plate. According to the range hood disclosed by the embodiment of the utility model, the oil fume suction channel formed between the first baffle and the upper guide plate is adopted to replace an air inlet net in the related technology, so that the oil fume inlet amount of the oil fume suction channel can be reduced, and equivalently, a solid barrier is arranged between a human ear and a fan of the range hood; therefore, the direct radiation of the sound field at the position can be reduced, that is, the working noise of the height where the ears are located when the user stands is reduced, the sound quality of the range hood during working is improved, and the use experience of the user is improved.

The invention belongs to the technical field of transformer iron core vibration noise modeling calculation, and discloses a dry-type transformer vibration noise calculation method, system and device and a medium, and the method comprises the steps: obtaining the normal vibration speed time domain signals of a winding, a clamp and an iron core, and correcting the phase; determining a radiation sound pressure superposition formula taking conformal unit vibration as a model; a vibration-sound coupling frequency domain calculation model based on frequency decomposition is constructed by considering the difference of mechanical wave propagation characteristics under different frequencies; and establishing a mirror image source model considering the sound wave refraction and reflection effect, and superposing the indirect radiation sound pressure and the direct radiation sound pressure to obtain a total sound pressure value. According to the method, the difference of mechanical vibration propagation characteristics under different frequencies and the refraction and reflection effect of sound waves in the environment are introduced, the sound propagation process of the dry-type transformer is modeled, and the improved unit radiation superposition method is applied to vibration-sound coupling frequency domain modeling of the dry-type power transformer. And efficient and accurate calculation of the sound propagation process of the dry-type power transformer is realized.

The invention relates to a body irradiation device for use of directional actinic radiation on a living organism, in particular a human being, which comprises at least one irradiation module, and wherein the at least one irradiation module comprises: at least two LED radiation sources which generate the actinic radiation and are arranged on a common carrier; a plate which spans the at least two LED radiation sources, wherein the plate is spaced apart from the carrier; at least two planoconvex optical lenses which are integrally bonded to the plate such that the flat surfaces of the lenses face the carrier, and wherein each lens is configured and arranged in such a way as to at least substantially collimate or direct radiation emitted by one of the LED radiation sources.

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.

The present invention discloses a method and device for quantifying the shielding effect of mountain terrain on solar radiation, and belongs to the field of terrain shielding data processing technology. The method comprises: obtaining the skyline and visible field elevation angle of the target research point under the influence of terrain shielding, calculating the solar altitude angle and azimuth; calculating the first direct radiation intensity and the first scattered radiation intensity of any surface per minute when the shielding effect is not considered; calculating the second direct radiation intensity and the second scattered radiation intensity of any surface per minute under the influence of terrain shielding; obtaining the solar direct radiation and scattered radiation of any surface under the influence of mountain terrain according to the second direct radiation intensity and the second scattered radiation intensity, and then combining the direct radiation and scattered radiation of any surface when the shielding effect is not considered, calculating the direct radiation shielding rate and scattered radiation shielding rate of any surface under the influence of mountain terrain. The present invention can quickly predict the shielding effect of mountain terrain on solar radiation, and improve the accuracy of shielding data prediction.

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.

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.

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.