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42 results about "Solar surface" patented technology
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Sun shield for vehicles
Owner:MULLER HERMANN FRANK
Robotic heliostat system and method of operation
InactiveUS20120012101A1Easy to returnExtend effective lifeSolar heating energySolar heat collector controllersHeliostatSolar surface
A system and method for operating a robotic controller to automatically position multiple solar surfaces in order to increase solar energy generation from the solar surfaces. In an embodiment the robotic controller travels in a sealed track and adjusts the solar surfaces using magnetic communication.
Owner:SOLARCITY
Sun shield for vehicles
InactiveUS20020066539A1Door/window protective devicesPortable electric lightingEngineeringFlashlight
A sun shield, having disengageable swivel bearing, rollable and flexible solar modules on a support material made of scrim tissue or taffeta with layer material to form a laminate, organic (OLED) or polymer (PLED) luminous diodes, has a small cross section in which for an enlargement of the solar surface the support material with thin-layer elements is arranged to be extended and retracted from the sun shield. A component which can be snapped in the opening on the back of the sun shield can be disengaged and used as a flashlight outside the vehicle.
Owner:MULLER HERMANN FRANK
LED solar street lamp facilitating snow removal and cleaning
InactiveCN107654946AReasonable structureInnovative designMechanical apparatusLighting support devicesBristleEffect light
The invention discloses an LED solar street lamp facilitating snow removal and cleaning. The LED solar street lamp comprises a lamp pole, a supporting rod, a solar panel, a fixed plate, a fan, an electric push rod, a brush seat, brush bristles, a connecting rod, a rotating shaft, a storage battery, a motor, a gear, a circular rack, a protective sleeve, a supporting plate, a lamp holder, LED lamp beads, a fixing rod, a lampshade, a water storage shell, a filter screen, a reservoir, a circulating pump, a water pipe, a water seepage pipe and a sponge block. The LED solar street lamp facilitatingsnow removal and cleaning is reasonable in structure and novel in design. Besides, the LED street lamp realizes spot cleaning on the surface of the lampshade, ensures the lighting effect of the road lamp, achieves heat dissipation on the road lamp used for a long time, guarantees the temperature in the lampshade is stable, and extends the service life of the LED street lamp and facilitates usage.In winter, the LED solar street lamp can effectively clean accumulated snow on the surface of the solar cell panel, and meanwhile clean dust on the solar surface at any time. The LED solar street lampis high in practicability value and suitable for popularization and use.
Owner:王政
Large-view-field high-resolution imaging device based on solar surface layer conjugate adaptive optical system
ActiveCN102879901AReduce difficultyExtended use timeOptical measurementsOptical elementsHigh resolution imagingWavefront sensor
A large-view-field high-resolution imaging device based on a solar surface layer conjugate adaptive optical system is composed of the surface layer conjugate adaptive optical system and a high-resolution image reconstruction system, wherein the surface layer conjugate adaptive optical system comprises a tracking subsystem, a multi-sight-line wavefront sensor, a surface layer atmosphere wavefront corrector, a wavefront controller and an imaging subsystem. The device is characterized in that the surface layer conjugate adaptive optical system is used firstly for detecting and correcting surface layer turbulent flows and improving the imaging quality in a large view field; and part of corrected images are reconstructed by the high-resolution image reconstruction system, so that high-resolution sun images are obtained. According to the device, the surface layer conjugate adaptive optical system is used for eliminating the influence of surface layer turbulent flows, improving the atmospheric seeing, enhancing the imaging signal-to-noise ratio and improving the imaging quality, so that the high-resolution reconstruction of sun images is accurate and efficient, and the device is of great importance to solar physics research.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
A method for simulating radiation energy density distribution of light spots in tower type solar thermal power generation
ActiveCN109670248AHigh precisionQuick calculationDesign optimisation/simulationSpecial data processing applicationsLight spotPower generation system
The invention discloses a method for simulating radiation energy density distribution of light spots in tower type solar thermal power generation, which relates to the technical field of tower type solar thermal power generation system simulation and comprises the following steps of (1) extracting an effective reflection area on the surface of a heliostat under the condition of considering the influence of shadow and shielding; (2) deducing and establishing an analytical model of a virtual radiation energy density distribution scalar field function defined under a heliostat local coordinate system; (3) obliquely projecting the virtual radiation energy density distribution scalar field function to a receiving plane in parallel along the reflection direction of a heliostat to complete modeling of radiation energy density distribution received on a receiver. According to the method, factors such as the sunlight direction, the radiation energy distribution of the solar surface, the position, the size and the rotation of the heliostat, the micro surface of the heliostat and shadow and shielding are considered, and experiment and comparison results show that compared with an existing analysis method, the analysis model provided by the invention is higher in precision and can be quickly calculated.
Owner:ZHEJIANG UNIV
Robotic heliostat calibration system and method
A robotic controller for autonomous calibration and inspection of two or more solar surfaces wherein the robotic controller includes a drive system to position itself near a solar surface such that onboard sensors may be utilized to gather information about the solar surface. An onboard communication unit relays information to a central processing network, this processor combines new information with stored historical data to calibrate a solar surface and / or to determine its instantaneous health.
Owner:TESLA INC
Solar battery array lighting device
ActiveCN101170046AIncrease load strengthImprove radiation efficiencyLighting support devicesElectric lighting sourcesEffect lightEngineering
Solar battery array lighting equipment used to imitate spatial lighting environment is characterized in that: (1) adopting a tubular shape continuous xenon lamp manufactured with high-quality doped silica tube with high load intensity, high radiation efficiency and radiation close to solar surface color temperature as light source and a plurality of tubular shape continuous xenon lamps arranged in light array; (2) adopting a power supply module with AC three-phase balance direct rectifier filtering, large power semiconductor device chopping wave and pulse duration modulation to supply the tubular shaped continuous xenon lamp with power. The invention can realize high load intensity, high radiation effect, radiation close to solar surface color temperature, large area, high brightness, even lighting, with high stability, reliability and security.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Robotic heliostat calibaration system and method
A robotic controller for autonomous calibration and inspection of two or more solar surfaces wherein the robotic controller includes a drive system to position itself near a solar surface such that onboard sensors may be utilized to gather information about the solar surface. An onboard communication unit relays information to a central processing network, this processor combines new information with stored historical data to calibrate a solar surface and / or to determine its instantaneous health.
Owner:TESLA INC
Flood event identification method and device, computer equipment and storage medium
ActiveCN113780657ARich research contentComprehensive factorsClimate change adaptationForecastingStream flowSnow melting
The invention relates to a flood event identification method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring an outlet flow time sequence, a solar surface rainfall time sequence and a daily average temperature time sequence corresponding to a target drainage basin; determining a dominant time period corresponding to each runoff type according to the time sequence of the solar surface rainfall, the time sequence of the daily average temperature and a preset runoff division rule; the runoff types at least comprise base flow, snow melting runoff and ice melting runoff; analyzing rainfall event information corresponding to the target drainage basin based on the solar surface rainfall time sequence, and analyzing flood event information based on the outlet flow time sequence; and determining cause identification results corresponding to the flood events according to the rainfall event information and the flood event information corresponding to the target drainage basin and the dominant time periods of the various types of runoffs. The method is high in accuracy and wide in application range, and enriches the research content of current cold region flood simulation and forecast.
Owner:CHINA THREE GORGES CORPORATION +1
Optical Differential Solar Tracking System
InactiveUS20160047877A1Minimal cost of maintenanceMinimal of operationPhotometry using reference valueInstruments for comonautical navigationGratingMonochromatic color
A system and method of using differential optical signals to track the orientation of a solar surface or surfaces is proposed. Two dispersive prisms or gratings arranged in a mirror-symmetric fashion are used to decompose light into its constituent colors, and the gain of a differential amplifier circuit based on the difference of the frequencies of single color collimated light produced by the two prisms or gratings is used to maintain the on-sun orientation of the solar surface or surfaces. The invention provides for a high-precision, low-cost solar tracking system. Preferably, the signal processing and tracking of solar surfaces is performed by a mobile robot that travels to multiple solar surfaces to minimize cost.
Owner:SOLARCITY
Solar full-spectrum utilization type water and power joint production system
InactiveCN109231326AExpand recycling optionsImprove energy conversion efficiencyGeneral water supply conservationSeawater treatmentEvaporationEngineering
The invention provides a solar full-spectrum utilization type water and power joint production system. The solar full-spectrum utilization type water and power joint production system comprises an evaporation cavity casing and a steam generator, wherein the steam generator comprises a porous capillary core and a condensing heat release pipeline, and the condensing heat release pipeline is embeddedinto the porous capillary core; the evaporation cavity casing is separated into an upper primary steam chamber, and a lower seawater compensation chamber; a solar battery panel array is paved at thesurface of the porous capillary core; the bottom part of the solar battery panel array is provided with a primary steam chamber; the primary steam chamber, a low-grade primary steam outlet pipeline, asteam compressor, a high-grade secondary steam input pipeline and the condensing heat release pipeline in the porous capillary core are sequentially communicated. The solar full-spectrum utilizationtype water and power joint production system has the advantages that while the solar battery panel is used for producing electric energy, the local heat effect of the battery panel is used for heatingthe water at the surface layer to produce a large amount of fresh water, so that the utilization rate of solar energy is greatly improved; the temperature of solar surface is effectively reduced, andthe efficiency of the solar battery panel is improved.
Owner:WUHAN UNIV
Solar tracking system using periodic scan patterns with a shielding tube
ActiveUS9689957B2Direction/deviation determining electromagnetic systemsPhotometry for measuring solar lightElevation anglePhotovoltaic detectors
A solar tracking system and method that use a tube that admits solar radiation and one or more photodetectors for generating a signal related to an intensity of solar radiation at a distal end of the tube. The system has a scan unit for periodically executing a certain scan pattern in an elevation angle El and in an azimuth angle Az of the shielding tube. A processing unit in communication with the photodetector determines an on-sun orientation of the shielding tube based on a convolution of the signal obtained while executing the scan pattern with a trained convolution kernel. The on-sun orientation thus found can be used to update the orientation of one or more solar surfaces, e.g., reflective or photovoltaic surfaces.
Owner:TESLA INC
Robotic heliostat system and method of operation
A system and method for operating a robotic controller to automatically position multiple solar surfaces in order to increase solar energy generation from the solar surfaces. In an embodiment the robotic controller travels in a sealed track and adjusts the solar surfaces using magnetic communication.
Owner:TESLA INC
Solar Tracking System using Periodic Scan Patterns with a Shielding Tube
ActiveUS20150260825A1Minimal resourceLow costPhotometry using reference valueInstruments for comonautical navigationElevation anglePhotovoltaic detectors
A solar tracking system and method that use a tube that admits solar radiation and one or more photodetectors for generating a signal related to an intensity of solar radiation at a distal end of the tube. The system has a scan unit for periodically executing a certain scan pattern in an elevation angle El and in an azimuth angle Az of the shielding tube. A processing unit in communication with the photodetector determines an on-sun orientation of the shielding tube based on a convolution of the signal obtained while executing the scan pattern with a trained convolution kernel. The on-sun orientation thus found can be used to update the orientation of one or more solar surfaces, e.g., reflective or photovoltaic surfaces.
Owner:TESLA INC
Full-solar-surface multi-stage solar extreme-ultraviolet spectrum imaging method
InactiveCN108680253AReduce volumeRealize simultaneous observationSpectrum investigationGratingUv spectrum
The invention discloses a full-solar-surface multi-stage solar extreme-ultraviolet spectrum imaging method. Light at a light inlet is focused to a system focal plane by an off-axis parabolic reflecting mirror, wherein an extreme-ultraviolet variable-pitch grating is arranged at the focal plane of the system; focused solar extreme-ultraviolet radiation is dispersed by the extreme-ultraviolet variable-pitch grating and the dispersed light is received by five levels of detectors; images received by four detectors have chromatic dispersion phenomena and the image received by the intermediate detector has no chromatic dispersion, so that spatial information is obtained directly at the level without chromatic dispersion and the spectral information is obtained based on inversion results of the five levels of imaging. According to the invention, simultaneous observation of full-solar-surface space and spectral information is realized; the method is suitable for observing large-range dynamic solar activities like the CME; the solar burst speed information can be obtained; and a novel way is provided for researches of space weather and space environment.
Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
Composite wall structure applied to moon building
InactiveCN113309251ARealize multiple protectionImprove the protective effectPhotovoltaic supportsBatteries circuit arrangementsLunar soilMeteoroid
The invention provides a composite wall structure applied to a moon building, and belongs to the technical field of moon building engineering. The problem that in an existing expandable moon building, a composite wall structure scheme of a light-weight moon building capable of comprehensively considering radiation, high-low temperature and micro-meteor protection and combining lunar surface in-situ resource utilization is lacking is solved. The structure comprises an optical fiber system prefabricated layer, a flexible inner film layer, an inflatable structure reinforcing layer, a flexible heat preservation layer, a flexible protection layer, a lunar soil filling layer, a lunar soil reinforcing layer and a flexible solar surface layer. The optical fiber system prefabricated layer, the flexible inner film layer, the inflatable structure reinforcing layer, the flexible heat preservation layer and the flexible protection layer are prefabricated on the ground. The lunar soil filling layer, the lunar soil reinforcing layer and the flexible solar surface layer are all built in the month. By using the multi-layer flexible composite material and structure and utilizing lunar soil, multiple protection on space high-energy radiation, lunar surface high and low temperature and micrometeoroids can be realized, and a better protection effect can be realized at a lower launching weight cost.
Owner:BUILDING DESIGN RES INST HARBIN INST OF TECH
Spacecraft solar panel thermal control protective film
ActiveCN110690298AEffective protectionBurn out preventionPhotovoltaicsPhotovoltaic energy generationOxide ceramicMaterials science
The invention discloses a solar panel thermal control protective film of a close-range detection solar activity spacecraft, which covers an illuminated surface of a solar panel, and aims to provide aspacecraft solar panel thermal control protective film with high solar radiation reflectivity, low absorptivity and strong thermal protection capability. The solar panel thermal control protective film comprises a high-transmittance glass base layer, a metal film layer arranged on the surface of the high-transmittance glass base layer, and a transparent aluminum oxide ceramic film layer arranged on the surface of the metal film layer. The solar panel thermal control protective film is suitable for thermal protection of a circular orbit spacecraft cell panel which is less than 10 times of the sun radius away from the sun surface.
Owner:YUNNAN ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
Photovoltaic heat collection plate of semicircle pipe flow channel
InactiveCN106685345AIncrease contact areaUniform temperature distributionPhotovoltaicsPhotovoltaic energy generationSolar cellCopper
The invention provides a photovoltaic heat collection plate of a semicircle pipe flow channel. The photovoltaic heat collection plate of the semicircle pipe flow channel is formed by a solar photovoltaic heat collection plate with a multilayer structure and the semicircle pipe flow channel which is welded and adhered to a back plate of the heat collection plate. The solar photovoltaic heat collection plate is formed by a protection layer, a solar cell panel, an insulating layer, the back plate and a glue film layer. The semicircle pipe flow channel is formed though collecting up and down and welding a semicircle branching pipe and a circle red copper pipe which are arranged in parallel and in a snakelike mode. A refrigerant inlet is located below the photovoltaic heat collection plate and an outlet is located above the photovoltaic heat collection plate. A flow channel pipeline is formed through processing a soft red copper circular pipe. The soft red copper circular pipe becomes a red copper semicircle pipe through a rolling pressing rail whose gap is continuously contracted into a semicircular shape. In the invention, a contact area of the solar cell panel and a refrigerant flow channel is increased, solar surface temperature distribution uniformity is guaranteed, a surface average temperature of the solar cell panel is reduced and photovoltaic generating efficiency is increased.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +1
Sun-image-movement-based atmosphere turbulence measurement apparatus and method thereof
InactiveCN105242329ARealize automatic trackingReduce assembly requirementsInstrumentsMedium resolutionBand-pass filter
The invention discloses a sun-image-movement-based atmosphere turbulence measurement apparatus and a method thereof. The apparatus comprises a sun image capturing component array, an automatic guide adapter, a solar orientation program, a synchronous controller, a daytime atmospheric turbulence measurement procedure and an equatorial telescope. The sun image capturing component array consists of two or three sets of sun image capturing components formed by band-pass filters, small telescopes, magnification lens combination units and cameras. The solar orientation program controls the equatorial telescope to complete sun position correction and automatic sun tracking by the automatic guide adapter. The daytime atmospheric turbulence measurement procedure controls the sun image capturing component array to collect a sun image synchronously by the synchronous controller to obtain an overall atmosphere seeing and a medium-resolution atmosphere turbulence profile. According to the invention, the sun can be tracked automatically; the overall sun surface can be observed; field installation and debugging can be realized conveniently; and the long-term operation demand can be satisfied.
Owner:南京理工大学紫金学院
A device for wind energy deep water aeration solar surface ploughing type oxygenation device
InactiveCN104230019BGuaranteed uptimeLow costTreatment using aerobic processesWater aerationAeration systemControl system
Owner:陕西省环境科学研究院
A laser-scanning high-sensitivity coronagraph stray light detection device
ActiveCN111060290BSolve technical bottlenecksHigh detection sensitivityTesting optical propertiesOptical radiationCoronagraph
A laser-scanning high-sensitivity coronagraph stray light detection device relates to the field of astronomical target observation and detection, the device includes: a single-beam laser scanning device, a multi-dimensional adjustment stage, a band-pass filter and a single-photon counting detector; a single-beam laser The scanning device, the coronameter to be measured, the bandpass filter and the single-photon counting detector are arranged in sequence and arranged on the same optical axis, and the single-photon counting detector is arranged on the focal plane of the coronagraph to be measured; the single-beam laser scanning device is installed on On the multi-dimensional adjustment table. The invention has higher detection sensitivity and lower noise, and the detection sensitivity and dark noise can reach 0.5counts.s ‑1 .cm ‑2 . It has better working stability and beam collimation, and realizes stray light detection in different wavelength bands by replacing the laser. The stray light radiation of the coronagraph and the solar surface radiation are scanned and measured separately by the same laser beam, and the stray light suppression ability of the coronagraph to be measured is obtained by integration, avoiding the problem of stray light detection using an expensive high-brightness 32' field of view solar simulator .
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Novel solar power station and device
PendingCN113765477AIncrease sunlightReduce weightPV power plantsPhotovoltaic energy generationCells panelEngineering
The invention belongs to the field of photovoltaic power generation, and relates to a novel solar power station and device which are realized in two different solar energy receiving modes. The solar cell panel facing the solar surface is provided with a light-transmitting refraction material, and more sunlight is converged on the cell panel through the refraction material; and the solar cell panel on the side back to the sun is provided with a light reflecting material, more sunlight is reflected to the solar cell panel, and then the power generation power of the solar cell panel is increased. The double-sided space solar power station is launched to a space orbit surrounding the earth, rotates around the earth and can transmit energy back to the earth; and the refraction material and the reflection material are very light and thin, can equivalently reduce the weight of unit generation power of the space power station, and reduce the emission cost.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Solar surface steering system and hydraulic actuator
ActiveUS20200300509A1Simple and cost-effective designEasy to installPhotovoltaic supportsProgramme-controlled manipulatorRotational axisControl system
The present disclosure provides a solar surface steering system including a solar surface; a base mount; a main body having a first rotary vane actuator configured to rotate the solar surface via a first rotating joint, and a second rotary vane actuator configured to rotate the main body of the hydraulic actuator via a second rotating joint connected to the base mount; a fluid mover operably connected to each of the first and second rotary vane actuators and configured to actuate the first and second rotary vane actuators; and a control system electrically connected to the fluid mover and configured to control operations of the fluid mover, wherein the first and second rotary vane actuators are affixed to each other and positioned such that a rotational axis of the first rotary vane actuator is orthogonal to a rotational axis of the second rotary vane actuator.
Owner:KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Sun halo photometer detection system, detection method, system, medium and equipment
The invention belongs to the technical field of sky background brightness detection, and discloses a sun halo photometer detection system, a detection method, a system, a medium and equipment. A phase congruency method is adopted to extract a feature structure boundary from an SBM image, and isotropic two-dimensional odd symmetry filtering functions are obtained from a vector sense by utilizing Liss transform, so that the whole set of local phase amplitude theory is directly applied to the two-dimensional image. The method comprises the steps of separating a solar surface edge and a blindage edge by adopting a cross-correlation method; performing circular equation fitting by adopting least square fitting to obtain a heliocentric coordinate, a sun radius, a blindage center coordinate and a blindage radius on the image; and determining the position of a bracket connected with the blindage by using cross-correlation under polar coordinates. According to the method, a sun surface area and a sky area required for calculating sky background brightness are divided from an SBM original observation image, the average brightness of the sky area and the brightness of a sun surface center area are calculated respectively, and the ratio of the average brightness to the brightness is the daytime sky background brightness for measuring the coronal observation condition.
Owner:YUNNAN ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
Autonomous safety control method for space optical relative measurement equipment
ActiveCN111988529ASatisfy the safety work requirements of on-orbit operationThe principle of the method is clearTelevision system detailsColor television detailsAngle of incidenceSpace optics
The invention discloses an autonomous safety control method for space optical relative measurement equipment. The method comprises the steps: S1, determining the relative position of the sun on an operation orbit plane of space optical relative measurement equipment, and representing the relative position through a sun plane interior angle; S2, calculating an included angle between the optical axis of the space optics relative measurement equipment and the solar plane interior angle in the S1, and representing the included angle as a solar incident angle; and S3, executing a corresponding modestate according to a size relationship between the solar incident angle and the solar protection angle threshold of the space optics relative measurement equipment. The method has the advantages thatthe relation among the solar surface interior angle, the solar incident angle and the solar protection angle threshold value is reasonably utilized, the on-orbit operation safety work requirement ofthe space relative measurement equipment is met, the method is clear in principle, convenient to implement and suitable for on-orbit work, and the work safety of the space relative measurement equipment can be guaranteed.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST
Solar tracking system using periodic scan patterns with a shielding tube
ActiveUS8878113B2Photometry using reference valueInstruments for comonautical navigationElevation anglePhotodetector
A solar tracking system and method that use a shielding tube that admits solar radiation and has an absorptive inner surface for absorbing the solar radiation that is incident on it. The system has a photodetector for generating a signal related to an intensity of solar radiation at a distal end of the shielding tube and a scan unit for periodically executing a certain scan pattern in an elevation angle El and in an azimuth angle Az of the shielding tube. A processing unit in communication with the photodetector determines an on-sun orientation of the shielding tube based on a convolution of the signal obtained while executing the scan pattern with a trained convolution kernel. The on-sun orientation thus found can be used to update the orientation of one or more solar surfaces, e.g., reflective or photovoltaic surfaces.
Owner:TESLA INC
A kind of solar curved surface heat collector for automatically positioning heat source and using method thereof
ActiveCN112303935BGuaranteed reuseEasy to moveSolar heating energyPhotovoltaicsCollector deviceEngineering
The invention discloses a solar curved surface heat collector for automatically positioning a heat source and a method for using the device. The device includes a base plate, an arc frame and a support frame. A support frame is vertically fixed at the upper center of the base plate. The side positions are all fixedly installed with moving wheels, the left end of the base plate is provided with a limit mechanism, the upper position of the base plate is fixed with a fixed block, and the center of the fixed block is movably installed with a movable frame. The right side end is fixedly provided with a hollow rod, and the position between the lower end of the movable frame and the upper end of the bottom is fixedly provided with a rain cloth. The invention makes the reflection of the curved plate at the upper end of the arc frame through the movement of the arc frame to ensure that the reflection points are kept at the lower end of the heating plate within a day, and at the same time, it can be automatically reset at night, so as to ensure that the device can be used repeatedly without manual operation. Adjustment work, the focus point can be adjusted automatically.
Owner:山西奥通光热技术有限公司
Thermal control protective film for spacecraft battery board
ActiveCN110690298BEffective protectionBurn out preventionPhotovoltaicsPhotovoltaic energy generationOxide ceramicEngineering
Owner:YUNNAN ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
Thermal control coating of spacecraft thermal shield sunward side
ActiveCN110697088AReduce the temperatureIncrease heat emissivityCosmonautic thermal protectionDesign optimisation/simulationOxide ceramicBlack body
The invention discloses a thermal control coating of a spacecraft thermal shield, and aims to provide a thermal control coating of a sunward side of the spacecraft thermal shield, which is good in radiation and heat dissipation effects. The metal film layer is arranged on the sunward side of the heat shield in use and is resistant to high temperature and high in solar radiation reflectivity, and the specially-made aluminum oxide ceramic coating is arranged on the surface of the metal film layer. When the spacecraft is closest to the sun, the average temperature of the thermal control coating on the sunward side of the thermal shield is T, the wavelength corresponding to the maximum value of thermal radiation of a black body with the temperature being T is y, and when the temperature of thespecially-made aluminum oxide ceramic coating is T, the set of the equivalent circle diameters of all crystal grains is X, X-[0.98 * y, 1.02 * y]. The thermal control coating is suitable for thermalprotection of a thermal shield sunward side of a close-range detection solar spacecraft which needs to enter an area which is 50 times the radius of the sun from the surface of the sun.
Owner:YUNNAN ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
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