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38 results about "Solar simulator" patented technology

A solar simulator (also artificial sun) is a device that provides illumination approximating natural sunlight. The purpose of the solar simulator is to provide a controllable indoor test facility under laboratory conditions, used for the testing of solar cells, sun screen, plastics, and other materials and devices.

LED solar simulator control system and control method

The invention relates to the technical field of LED driving, and particularly discloses an LED solar simulator control system and control method.A detection unit detects the external environment of a machine body in real time, meanwhile, a communication unit and a GPRS module are combined, the current weather climate of a solar simulator can be read in real time, a lamp bead unit is adjusted and controlled in combination with a deep learning module, and the LED solar simulator control system and control method are provided. According to the solar simulator control system, difference compensation is carried out on required illumination intensity in a network reading and deep learning mode, real-time automatic adjustment is realized, the intelligence of the control system is improved, the use flexibility of the solar simulator is effectively improved, and an energy-saving effect is realized.
Owner:QINGDAO SOLE KEYI HIGH-TECH CO LTD

Perovskite cell detection method and computer readable storage medium

The invention discloses a detection method of a perovskite battery. The method comprises the steps of obtaining test task configuration; establishing a communication connection with an execution device; source table test parameters are generated through intelligent parameter adaptation; the source table test parameters are issued to the source table, and a test channel set is configured for the programmable logic controller; the sunlight simulator is controlled to enter target illumination intensity and wait for stability, and the temperature controller is controlled to enter target temperature and wait for stability; a synchronous trigger signal is generated by the programmable logic controller, and a plurality of channels are synchronously activated; controlling the source table to test according to the test mode, obtaining sampling data of each channel, and caching the sampling data; performing time sequence calibration on the sampling data of each channel according to the timestamp of the synchronous trigger signal so as to obtain time-aligned multi-channel sampling data; and generating and outputting a basic performance test result and a deep performance test result through composite performance analysis based on the multi-channel sampling data.
Owner:SHANGHAI CO FLY TECH CO LTD

Solar spectrum unmixing and beam combining method based on grating inverse dispersion

The invention discloses a solar spectrum unmixing and beam combining method based on grating inverse dispersion, relates to the technical field of solar spectrum simulation, and solves the problems of low energy utilization rate, poor spectrum coincidence and difficulty in wide spectrum matching in traditional beam combination. The method comprises the following steps: carrying out discrete sampling on an AM0G / AM1.5 G spectrum, selecting a plurality of narrow-band LEDs as reconstruction units, and solving a weight coefficient by a least square method to realize spectrum unmixing; the light is condensed to a grating through a focusing lens, inverse dispersion beam combination is carried out according to a grating equation, and a divergence angle is corrected to 0.733 degrees / 0.814 degrees through a cylindrical shaping lens; and evaluating the quality through SD, SMSR and light spot overlap ratio. The spectrum matching error is smaller than or equal to 5.89%, the light spot overlap ratio is 95.42%, double spectrums can be switched, and the method is suitable for high-precision spectrum beam combination of the solar simulator.
Owner:CHANGCHUN UNIV OF SCI & TECH

A lunar surface plume dust diffusion characteristics ground calibration system and method

The application relates to the field of aerospace technology, in particular to a lunar surface plume dust diffusion characteristic ground calibration system and method, which comprises a vacuum chamber, a solar simulator, a test platform, a dust raising device and a measuring device, wherein: the test platform is arranged in the interior of the vacuum chamber; the measuring device is arranged on one side of the interior of the vacuum chamber and comprises a dust raising sensor, a control circuit and an analysis display module; the dust raising sensor is arranged on the test platform through a rotary table and is electrically connected with the analysis display module through the control circuit; the dust raising device is arranged on the test platform in the interior of the vacuum chamber and is used for forming a dust raising area; and the solar simulator is arranged outside the vacuum chamber and is used for simulating a solar light source. The application can realize quantitative measurement of dust raising concentration under different angles and different concentrations, can satisfy calibration of dust raising concentration of all moon exploration missions, and can realize low-cost and high-reliable dust raising concentration calibration ground experiment with a calibration error of less than 15%.
Owner:LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH

Irradiation test equipment for industrial illumination solar simulator

The invention discloses industrial lighting solar simulator irradiation test equipment, and belongs to the technical field of sunlight irradiation test, the industrial lighting solar simulator irradiation test equipment comprises a test cabin and a top seat, the test cabin is used for carrying out irradiation test on a vehicle, the test cabin is composed of a test base and two simulation wall plates, and the test base is provided with two storage grooves; a containing groove is formed in the top base, a limiting assembly used for limiting a vehicle is arranged in the containing groove, a through hole is formed in the top base, irradiation simulation equipment is arranged in the through hole, an irradiation base is arranged below the irradiation simulation equipment, and two symmetrical bidirectional hydraulic push rods are connected to the bottom end of the irradiation base. Through the arrangement of the humidification assembly and the heat absorption chamber, when the humidity is increased, the unique atomization and kinetic energy consumption design is adopted, uniform water mist can be generated in this way, the situation that high-pressure steam directly impacts the surface of a vehicle is avoided, non-test-related damage is caused to a paint surface or parts, and the service life of the vehicle is prolonged. And the purity and reliability of test data are ensured.
Owner:SHENZHEN SUNNY XIAO TECH CO LTD

Solar simulator for light aging test

The invention discloses a solar simulator for a light aging test, and belongs to the technical field of illumination testing, the solar simulator comprises a test board and a universal adjusting support used for adjusting the illumination angle of a daylight illumination system, the top end of the test board is provided with a test photovoltaic panel through a support, and the two sides of the test photovoltaic panel are both provided with amplification assemblies; an air temperature simulation box is arranged on the outer side of the test photovoltaic panel, the air temperature simulation box is rotationally connected with a simulation cover through an electric hinge, a weather simulation mechanism is arranged on the end face of the simulation cover, and optical measurement assemblies are arranged on the two sides of the weather simulation mechanism. Through the arrangement of the electromagnetic base and the switching assembly, the illumination system, the temperature system and the weather system can be synchronously regulated and controlled through single current input of the daylight illumination system, complex electronic control is replaced by mechanical linkage, the fault rate is reduced, the single change of current input can meet the dynamic change of each working condition in the long-time light aging test process, and the test efficiency is improved. And the dynamic working condition switching is ensured without manual intervention.
Owner:SHENZHEN SUNNY XIAO TECH CO LTD

Laboratory sunlight energy-saving illumination management system

PendingCN121956750Aavoid couplingensure independenceProgramme controlComputer controlEnergy efficient lightingTransformer
The invention discloses a laboratory sunlight energy-saving illumination management system, belongs to the technical field of energy-saving illumination, and solves the problems that a solar simulator bus is out of control due to bidirectional power conflict, an experiment is failed due to light ripple pollution, and energy conservation is more wasted. Comprising a multi-phase magnetic energy cyclic matrix module which generates a controlled multi-phase alternating current energy field; the rotating field transformer energy transfer device module is used for directionally distributing energy in a multi-phase alternating current energy field to each output channel according to a real-time instruction; the distributed virtual ground bus framework module is used for maintaining the power supply reference potential of each output channel; and the digital pre-distortion compensator module is used for performing nonlinear and memory effect compensation on an input instruction and sending the compensated instruction to the multi-phase magnetic energy cyclic matrix module. According to the invention, the rotating magnetic field is coupled with the distributed wireless energy network to decouple the power flow, the noise is suppressed, the spectrum is independent, the energy is saved, and repeated experiments are avoided.
Owner:ZHEJIANG XINCHUANGYUAN COMPREHENSIVE ENERGY CO LTD

Control device for sunlight simulator

The utility model discloses a control device for a sunlight simulator, which comprises a base and a plurality of self-locking universal wheels arranged at the lower part of the base, the upper part of the base is fixedly connected with a lifting column, the lifting column is connected with a support plate, the support plate is rotatably connected with a horizontal swing arm, the horizontal swing arm is rotatably connected with a longitudinal swing arm, and the longitudinal swing arm is connected with a lifting rod. The longitudinal swing arm is fixedly connected with a sunlight simulator, a longitudinal groove is formed in the end, close to the longitudinal swing arm, of the horizontal swing arm, the inner wall of the longitudinal groove is fixedly connected with clamping and fixing discs which are oppositely arranged and each provided with a plurality of grooves, and the end, close to the longitudinal groove, of the longitudinal swing arm is provided with a longitudinal disc which is matched with the clamping and fixing discs and provided with a plurality of protrusions on the two sides. The protrusion is in elastic clamping fit with the groove so as to prevent the longitudinal swing arm from moving due to mistaken touch. According to the utility model, multi-directional angle and distance adjustment can be carried out on the sunlight simulator, human body test parts can be aligned conveniently, instrument debugging efficiency and precision are improved, movement caused by mistaken touch by testers can be prevented, and test accuracy of the sunlight simulator is improved.
Owner:HANGZHOU CEYAN TESTING TECHNOLOGY CO LTD

Performance test system capable of being applied to perovskite underwater photovoltaic

The performance test system comprises a pressure-resistant water tank with an opening in the top surface, wherein circular quartz glass windows are arranged on two sides of the pressure-resistant water tank, and three partition plates with circular holes are arranged in the pressure-resistant water tank to form water storage cavities; a water outlet is formed in the bottom of the cavity), the illumination detection unit comprises a solar simulator and an optical signal acquisition probe, and the battery test unit is used for applying 0V to open-circuit voltage scanning voltage by a source meter to measure the current density of each voltage point and the short-circuit current density. According to the system, the underwater multi-factor coupling light field environment can be accurately simulated, and the system evaluation of the underwater performance of the solar cell is realized. Tests show that compared with a traditional crystalline silicon cell, the perovskite cell is more adaptive to an underwater spectral environment by virtue of the band gap adjustable characteristic; through evaluation of the system, the perovskite solar cell is excellent in underwater performance and shows huge application potential in the underwater photovoltaic field.
Owner:HARBIN ENG UNIV

Electrolytic photocatalytic device

ActiveCN223793250UElectrolysis componentsInlet valveSolar simulator
The utility model relates to an electrolytic photocatalysis device applied to the field of energy chemistry, which comprises reaction equipment, a reaction tube arranged at the inner end of the reaction equipment, a cushion block fixedly connected to the lower side of the inner end of the reaction tube, a quartz electrolytic tank placed at the upper end of the cushion block, a graphite anode and a nickel-based alloy cathode arranged at the inner end of the reaction tube, the graphite anode and the nickel-based alloy cathode extend into the quartz electrolytic tank, a sealing flange is arranged at the upper end of the reaction tube, a heat preservation tube plug is arranged at the inner end of the reaction tube, an air inlet valve is arranged in the middle of the upper end of the reaction tube, an air outlet valve is arranged on the right side of the upper end of the reaction tube, and a sealing electrode is arranged at the upper end of the reaction tube. The reaction equipment can support two working modes of the heating hearth and the solar simulator at the same time, is suitable for carrying out electrolysis and photo-thermal catalytic reaction on molten salt substances under the high-temperature condition, and can compare the performance difference of electrolysis products under the two heating modes.
Owner:ANHUI KEMI INSTR CO LTD

Coupling Verification and Optimization Method for Cold Start Focusing Strategy of High-Temperature Molten Salt Absorber

This invention discloses a coupled verification and optimization method for a cold-start focusing strategy of a high-temperature molten salt receiver. The method includes: measuring the incident heat flux density distribution of a solar simulator under different light source configurations; generating a candidate operating condition set including xenon lamp combinations and timing parameters; performing a cold-start experiment and collecting temperature data in real time, and determining over-temperature protection and thermal balance; constructing a three-dimensional unsteady-state thermo-mechanical coupled numerical model, and verifying the model using benchmark experimental data to achieve coupled verification of experimental data and numerical model; inputting measured heat flux and temperature data into the model to solve the transient temperature field and thermal stress field throughout the cold-start process; extracting the maximum temperature rise rate, circumferential temperature difference peak value, and maximum equivalent thermal stress peak value as evaluation indicators; and comparing and optimizing the target focusing strategy by comparing preset constraints. This invention achieves quantitative evaluation and optimization of the cold-start strategy, improving the safety and heating efficiency of cold starts.
Owner:XI AN JIAOTONG UNIV

An irradiance attenuation subdivision device for a fiber-optic solar simulator

A kind of irradiation attenuation subdivision device for optical fiber type solar simulator is designed, mainly by input optical fiber 41, optical fiber beam expander 42, irradiation energy attenuator 43, optical fiber beam reducer 44 and output optical fiber 45, the light beam path is controlled by the pose adjustment mechanism 423 of beam expander lens, the aperture position adjustment mechanism 433 of diaphragm and the pose adjustment mechanism 443 of beam reducer zoom lens, the irradiation flux is controlled by adjustable aperture diaphragm 432, high-precision continuous subdivision adjustment of irradiance is realized without changing the optical fiber coupling of optical fiber type solar simulator, while not affecting solar collimation angle, irradiation uniformity, irradiation stability, spectral matching degree.
Owner:CHANGCHUN UNIV OF SCI & TECH

Solar simulator oblique taper pipe welding device and measuring method

The invention relates to the technical field of solar simulator oblique taper pipe welding equipment, and discloses a solar simulator oblique taper pipe welding device and a measuring method.The solar simulator oblique taper pipe welding device comprises a scale disc fixedly connected to the outer wall of a cross-shaped rod, and the outer wall of the cross-shaped rod is rotationally connected with two rotating plates; a rotating nut is rotationally connected to the outer wall of the end, away from the supporting rod, of the cross-shaped rod, a pointer is fixedly connected to the inner wall of the rotating nut, and the axial length of the cross-shaped rod is the same as that of the movable rod, so that the pointer is parallel to the central axis of the grooved movable plate; at the moment, the included angle between the central axis of the oblique taper pipe and the central axis of the circular pipe can be used as the included angle between the pointer and the cross rod, so that the included angle between the pointer and the cross rod can be measured by measuring the included angle between the central axis of the oblique taper pipe and the central axis of the circular pipe; the angle between the central axis of the oblique taper pipe and the central axis of the circular pipe can be measured, and the change of the included angle can be observed at any time during welding.
Owner:LANZHOU VACUUM EQUIP

Battery string detection equipment

The invention provides cell string detection equipment, and relates to the technical field of solar cell detection equipment. The battery string detection equipment can comprise a rack, a bearing assembly, at least one solar simulator and an IV tester. The bearing assembly is arranged on the rack and used for bearing a battery string. The at least one solar simulator is arranged on one side of the bearing assembly and used for providing a light source. Wherein the shape of the cross section of the light emitted by at least one solar simulator is matched with the shape of the cell string, and the light covers the cell string. The IV tester comprises a probe row in contact with the battery string, and the IV performance of the battery string is detected through the probe row. According to the battery string detection equipment, the performance of the battery string can be monitored, then the tandem connection quality of the battery pieces is monitored, electrical performance grade screening can be carried out on the battery string in advance, and the photoelectric conversion efficiency of a battery assembly is improved.
Owner:SUZHOU MAIYUE INTELLIGENT TECH CO LTD

Solar simulator and sunlamp

The utility model relates to a kind of sunlight simulation device and lifting sunlight lamp, comprising: light assembly, including first light source and multiple second light sources, multiple second light sources are arranged along circumference interval, and first light source is located at the central position of multiple second light sources;Light guide plate is attached with light assembly, and light guide plate is fixedly provided with light collecting cylinder, and light collecting cylinder is opened with two ends through light guide hole along axial direction, and first light source is located at one end of light collecting cylinder, and the light of first light source is emitted outward along light guide hole.The utility model is to solve the problem that the simulation effect of traditional simulation device to sunlight is poor and the structure is complex, and the maintenance cost is higher.
Owner:SHENZHEN HUIPIN DESIGN CO LTD

Gallium arsenide battery post-welding micro-damage screening method

The invention discloses a method for screening micro-damage after welding of a gallium arsenide battery. The method comprises the following steps: step 1, deploying a measurement and control device; 2, initializing the measurement and control device; step 3, circuit state switching; step 4, parallel resistance calculation; 5, damage judgment and shunting; according to the method, detection is synchronously carried out in the pressure maintaining stage after electric resistance welding, no extra production procedure needs to be added, and the problems that the system complexity is improved and the production takt is reduced due to electroluminescence detection are solved; the parallel resistance Rsh of the battery can be accurately measured and calculated within milliseconds, whether the battery is qualified or not can be detected after single welding, unqualified products are prevented from entering a subsequent surface mounting process, the problem of labor hour waste caused by a solar simulator scanning IV curve screening mode is solved, invalid labor hour consumption caused by whole-course welding when the battery is damaged at an early stage is thoroughly avoided, and the production efficiency is improved. And the requirements of an automatic production line can be met, the production cost is reduced, the production efficiency is improved, and the current situation of low yield of thinned batteries and flexible batteries is improved.
Owner:BEIJING XINGYUAN SPACE TECHNOLOGY CO LTD

Surface defect detection device for solar simulator

The invention discloses a surface defect detection device for a solar simulator, relates to the field of solar simulator detection, and solves the problem that an existing detection device needs to disassemble and assemble the solar simulator frequently, the surface defect detection device comprises a device base and a simulator body, a portal frame is installed at the top of the device base, and two single-chip microcomputers are arranged at the bottom of the portal frame; a camera is installed on the outer side of the single-chip microcomputer, a display screen is installed on the top of the portal frame, and two containing plates are arranged on the top of the device base. The simulator further comprises a detection mechanism used for comprehensively detecting the simulator body, the detection mechanism is installed on the top of the device base, and the detection mechanism comprises two limiting plates; through the detection mechanism, the two limiting plates can move upwards and rotate, the limiting plates can turn over the simulator body and make the limiting plates far away from the outer side of the simulator body, and the two cameras can comprehensively shoot the outer side of the simulator body, so that the defect detection efficiency is improved.
Owner:SHENZHEN SUNNY XIAO TECH CO LTD

Spatial solar cell particle irradiation test system and method under photo-thermal condition

A space solar cell particle irradiation test system under a photo-thermal condition comprises: a vacuum chamber, the wall surface of which is provided with a particle beam port and a light transmitting port; the sample table is arranged in the vacuum cavity, and the table surface of the sample table obliquely faces the particle beam port and the light transmitting port at the same time; the temperature control module is in heat conduction connection with the sample table; the particle irradiation module comprises a particle gun which is arranged outside the vacuum cavity and is aligned with the particle beam port; the illumination simulation module comprises a solar simulator which is arranged outside the vacuum cavity and is aligned with the light transmitting opening; and starting a particle gun in the vacuum cavity under the conditions of temperature and illumination, and performing particle irradiation on the solar cell according to a preset particle beam flow and irradiation time. The device can effectively simulate particle irradiation attenuation of the space solar cell under illumination and high and low temperature conditions, and is especially suitable for irradiation attenuation simulation of the solar cell in different tracks.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST

A vehicle HUD testing device

The utility model discloses a kind of vehicle HUD test equipment, including first testing device and second testing device, first testing device is used to carry out stray light test to HUD product, second testing device is used to carry out high temperature resistance and strong light resistance test to HUD product;First testing device includes windshield fixing device, arched light source assembly, light source driving device, taking and placing material mechanical hand and test mechanical hand, the end of taking and placing material mechanical hand is equipped with first product clamp, and the product to be tested on first product clamp can be electrically connected with controller;Second testing device includes oven and solar simulator, second product clamp is equipped in oven, and the product to be tested on second product clamp can be electrically connected with controller.The utility model can realize the stray light of HUD product, high temperature resistance and strong light resistance performance test, improve the accuracy of test;Without measuring in car, improve the efficiency of test, reduce the cost of test.
Owner:DONGGUAN XINXINTENG TECH CO LTD

Novel sunlight backflow monitoring structure of head-up display system

ActiveCN223783869UTesting optical propertiesDisplay deviceSolar simulator
The utility model discloses a novel sunlight backflow monitoring structure of a head-up display system, which comprises a controller, a temperature sensor, a windshield, a head-up display, a heat preservation box and a rotatable platform, and is characterized in that the windshield, the head-up display and the heat preservation box are all arranged on the rotatable platform; the windshield is located above the head-up display and the heat preservation box, the heat preservation box is provided with a hollow cavity, the head-up display is located in the hollow cavity, and the temperature sensor is installed on the head-up display. According to the utility model, sunlight is directly used for testing, the accuracy of the sunlight can be ensured, a solar simulator is not needed, the cost of a testing system is greatly reduced, other general devices are combined for cooperation, under the condition of low cost, the HUD environment temperature can be controlled, and three-degree-of-freedom large-angle rotation is realized; the method is more suitable for the actual test environment of HUD sunlight backward flow, enables the test result to be closer to the real situation, and is more suitable for popularization and application.
Owner:SHENZHEN ROADROVER TECH

In-situ detection device and method for spatial uniformity of solar irradiance energy

ActiveCN119124347BExpand the work sceneSpatial uniformity realizationPhotometry for measuring solar lightPhotovoltaic energy generationControl systemData acquisition
The application discloses a kind of in-situ detection device and method of solar irradiation energy spatial uniformity, it relates to a kind of in-situ detection device and method, belongs to space simulation test technical field.The present application is to solve the problem that existing method can only be carried out in atmospheric environment, cannot realize in-situ detection under vacuum low-temperature environment.The in-situ detection device includes vacuum container, solar simulator, in-situ mechanism, detection probe, motion control system, data collector and terminal software;Solar simulator is installed at the top of vacuum container, in-situ mechanism is arranged at the bottom in vacuum container, detection probe is installed on the detection probe installation plane of in-situ mechanism, motion control system is connected with in-situ mechanism, the computer of terminal software is connected with motion control system, the signal receiving end of data collector is connected with the signal transmitting end of detection probe.The application is used to realize in-situ detection of solar irradiation energy in vacuum low-temperature test cabin.
Owner:HARBIN INST OF TECH

Method and device for measuring transient thermal field of moving target of solar simulator concentrated light beam energy distribution characteristics

The application relates to a moving target transient thermal field measurement method and device for the energy distribution characteristics of a concentrated light beam of a solar simulator, and relates to the field of concentrated solar high-temperature heat utilization. In the prior art, the number of unknowns to be inverted is much larger than the number of equations in the method for acquiring the light beam radiation intensity distribution, and the inversion accuracy is difficult to guarantee. The technical scheme provided by the application is as follows: a moving target transient thermal field measurement method for the energy distribution characteristics of a concentrated light beam of a solar simulator, the method comprising the following steps: collecting the transient temperature field data of test target surfaces at different positions in the optical axis direction of the solar simulator and the spectral radiation force distribution data on the solar simulator; obtaining the energy flow distribution inversion results of the concentrated light at different target positions; obtaining a zero matrix according to the energy flow distribution inversion results of the concentrated light at different target positions; and obtaining the radiation intensity inversion results according to the energy flow distribution inversion results at different target positions and the zero matrix. The application is suitable for the measurement of the spatial distribution characteristics of a concentrated light beam of a solar simulator.
Owner:HARBIN INST OF TECH

Ground lunar dust simulation device based on water floating method and calibration device and method

The invention belongs to the technical field of spaceflight simulation testing, and particularly relates to a ground lunar dust simulation device based on a water floating method and a calibration device and method.The ground lunar dust simulation device comprises a transparent container, a transparent solution and lunar dust simulation particles; the transparent solution and the lunar dust simulation particles are filled in a cavity of the transparent container; the transparent solution has stable refractive index and density; the lunar dust simulation particles are uniformly suspended in the transparent solution and are used for counteracting 5 / 6 of the gravity of the ground through the buoyancy of the transparent solution, so that the effect of simulating lunar dust on the ground is achieved. According to the ground lunar dust simulation device, 5 / 6 of the gravity of the ground is counteracted by preparing the solution, sunlight is simulated through the solar simulator, lunar dust distribution and deposition conditions better conforming to the characteristics of the lunar surface are obtained on the ground, and the accuracy and authenticity of measurement of the dynamic dust raising characteristic sensor in the lunar surface landing process can be improved.
Owner:LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH

Distributed photovoltaic power generation array simulation device

The utility model relates to a distributed photovoltaic power generation array simulation device, which comprises a base assembly, a simulation illumination assembly and a simulation photovoltaic panel assembly, and is characterized in that the base assembly comprises a bearing table, and an operation table is arranged at one end of the top of the bearing table; the simulation photovoltaic panel assembly is arranged at the other end of the top of the bearing table; the simulation illumination assembly comprises an arc-shaped track and a driving mechanism, the two ends of the arc-shaped track are hinged to the two sides of the bearing table respectively, the driving mechanism is connected with the arc-shaped track, a track groove is formed in the inner side of the arc-shaped track, a moving trolley is movably arranged in the track groove, and the moving trolley is connected with the arc-shaped track. An LED solar simulator is fixedly mounted on the moving trolley; and the operating platform is connected with the driving mechanism, the moving trolley and the LED solar simulator. The problem that a simulation light source can only move left and right transversely and does not conform to the actual sun trajectory, and the sun trajectory cannot be simulated truly in the prior art can be solved.
Owner:CHINA YANGTZE POWER +1

Ground calibration system and method for lunar surface plume raise dust diffusion characteristics

The invention relates to the technical field of spaceflight, in particular to a ground calibration system and method for lunar surface plume flying dust diffusion characteristics, the system comprises a vacuum chamber, a solar simulator, a test platform, a flying dust device and a measurement device, the test platform is arranged in the vacuum chamber; the measuring device is arranged on one side in the vacuum cabin and comprises a flying dust sensor, a control circuit and an analysis display module, and the flying dust sensor is arranged on the test platform through a rotary table and is electrically connected with the analysis display module through the control circuit; the dust raising device is arranged on the test platform in the vacuum cabin and is used for forming a dust raising area; the solar simulator is arranged outside the vacuum chamber and used for simulating a solar light source. Quantitative measurement of the flying dust concentration at different angles and different concentrations can be achieved, calibration of the flying dust concentration of all moon exploration tasks is met, the calibration error is within 15%, and a low-cost and high-reliability flying dust concentration calibration ground experiment can be achieved.
Owner:LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH

Method for measuring background heat flux based on solar simulator heat balance test

This invention provides a method for measuring background heat flux based on a solar simulator thermal balance test, comprising: entering a first operating condition with the heat sink turned on and the solar simulator turned off; acquiring the background heat flux of the heat sink; entering a second operating condition with the heat sink turned on and the solar simulator turned on; acquiring the background heat flux of the heat sink, the background heat flux of the temperature rise at the light outlet, and the background heat flux of the temperature rise at the reflector, and determining the sum of the three; entering a third operating condition with the heat sink turned on, the solar simulator turned off, and the heating plate on the back of the reflector turned on, adjusting the temperature of the reflector to be consistent with the reflector temperature in the second operating condition; acquiring the background heat flux of the heat sink and the background heat flux of the temperature rise at the reflector in the third operating condition, and determining the sum of the two; subtracting the sum of the two from the background heat flux of the heat sink to obtain the background heat flux of the temperature rise at the reflector; and subtracting the sum of the three from the sum of the two to obtain the background heat flux of the temperature rise at the light outlet, thereby improving the efficiency of background heat flux measurement.
Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG

Calibration device and method for calibrating extraterrestrial space radiation heat flow measurement device

PendingCN121498881APyrometry for hot spots detectionPyrometry using electric radation detectorsHeat flowThermal insulation
The invention provides a calibration device and method for calibrating an extraterrestrial space radiation heat flow measurement device. The calibration device comprises a vacuum chamber; the cylindrical infrared simulator is arranged in the vacuum chamber and is used for simulating an infrared radiation source; the inner surface of the cylindrical infrared simulator is sprayed with black paint, and the outer surface is coated with a multilayer heat insulation assembly after being pasted with a heating sheet and a temperature sensor. The solar radiation simulator is used for simulating solar radiation; the solar radiation simulator comprises a solar simulator and a curved surface collimating mirror, and solar radiation rays emitted by the solar simulator are reflected by the curved surface collimating mirror and then axially enter the cylindrical infrared simulator in parallel with the cylindrical infrared simulator; the heat flow measuring device array is arranged at one end of the cylindrical infrared simulator, and a heat flow receiving surface of the heat flow measuring device array is perpendicular to the axial direction of the cylindrical infrared simulator; and the calibration module is used for receiving the infrared radiation of the cylindrical infrared simulator and the solar radiation of the solar radiation simulator and then calibrating each heat flow measurement device in the heat flow measurement device array.
Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG

A spectral matching method for a multi-light-source solar simulator

The present application relates to a method for matching AM1.5 standard sunlight spectrum by using multiple light sources, and the simulated spectrum wavelength range is the full spectrum of visible-short wave infrared sunlight spectrum radiation. The present application uses metal halide lamp, halogen lamp and multiple different kinds of high-power LED light sources as the alternative sub-light sources of the solar simulator, and the selected light sources are actually tested to obtain the spectral data of each light source as the alternative light source library. According to the superposition principle of the spectrum, the genetic algorithm is used to seek the best configuration of the light source type and quantity under the condition of meeting the spectral matching degree requirement. The present application overcomes the problems of spectral mismatching deviation and wavelength range limitation in the traditional solar simulation technology, and can realize the full spectrum solar simulation in the range of 350-2500nm at low cost, which is suitable for the research of solar spectrum radiation in the optical remote sensing physical simulation system.
Owner:BEIHANG UNIV

Solar simulator apparatus

A solar simulator apparatus to perform a test on at least one object including a containing structure having an internal operating space in which there is defined an irradiation chamber equipped with a lighting unit; a rest plane associated with said containing structure and configured to support said object, said rest plane being able to be selectively positioned facing said lighting unit.
Owner:ECOPROGETTI SRL

Solar simulator

The invention discloses a solar simulator, relates to the field of optical systems, and is used for solving the problems that an existing solar simulator can increase the structural complexity and increase the optical design difficulty and workload. The solar simulator includes: a substrate; the first light source module is arranged on the substrate, the first light source module comprises a cavity and plasma filled in the cavity, the plasma is excited to emit light to form first emergent light, and the wave band of the first emergent light is located in a solar spectrum section; the second light source module is arranged on the substrate and used for emitting second emergent light, the second emergent light and the first emergent light are mixed to form emergent light of the solar simulator, and the wave band of the second emergent light is located in the solar spectrum section. According to the solar simulator, the first light source module emits light through the plasma, the light emitting wave band of the plasma is wide, a wide matching wave band with sunlight can be achieved, it is avoided that a large number of LED light sources need to be used, and therefore the structural complexity can be reduced, and the optical design difficulty and workload can be reduced.
Owner:上海秀白信息科技有限公司