100 results about "Solar simulator" patented technology

The invention discloses a solar spectrum simulation method based on a BP neural network, belongs to the technical field of solar spectrum simulation, and aims to solve the problem that no LED solar simulator can simulate AM0G and AM1.5 G solar spectrums at the same time. The method comprises the steps of an LED solar spectrum simulation framework giving consideration to AM0G and AM1.5 G, an NSGA-II-assisted solar spectrum LSTM simulation algorithm, a solar spectrum simulation instance, conclusion analysis and the like. According to the method, the spectrum matching degrees of the AM0G and the AM1.5 G are superior to + / -10.5% and + / -9.3% respectively, the simulation effect of A +-level solar spectrum simulation giving consideration to the AM0G and the AM1.5 G is achieved, and the method has the advantages of being high in practicability and wide in application range. And theoretical basis and technical support are provided for high-precision solar spectrum reconstruction.

The invention provides a background heat flow measurement method based on a solar simulator heat balance test. The background heat flow measurement method comprises the following steps: entering a first working condition of opening a heat sink and closing a solar simulator; obtaining a heat sink background heat flow; entering a second working condition of starting the heat sink and starting the solar simulator; obtaining a heat sink background heat flow, a temperature rise background heat flow at a light outlet and a temperature rise background heat flow at a reflector, and determining the sum of the three; turning on a heat sink, turning off a solar simulator, turning on a heating sheet on the back surface of the reflector, and adjusting the temperature of the reflector to a third working condition which is consistent with the temperature of the reflector in the second working condition; obtaining a heat sink background heat flow and a reflector temperature rise background heat flow under a third working condition, and determining the sum of the two; obtaining a temperature rise background heat flow at the reflector by subtracting the sum of the two from the heat sink background heat flow; and the sum of the three is subtracted from the sum of the two to obtain the temperature rise background heat flow at the light outlet, so that the background heat flow measurement efficiency is improved.

The utility model discloses a new energy automobile working condition and environment simulation device, and relates to the technical field of new energy automobiles. Comprising a simulation workshop and a simulation mechanism arranged on the simulation workshop, the simulation mechanism comprises two groups of rainfall simulation parts, two xenon lamp sunlight simulators and a fan, each group of rainfall simulation parts are symmetrically arranged in the simulation workshop, and each xenon lamp sunlight simulator is installed at the position, close to the top edge, of the two sides of the outer wall of the simulation workshop. The fan is installed on one side of the outer wall of the simulation workshop. According to the new energy automobile working condition and environment simulation device, various actual environment conditions are simulated through the simulation mechanism, the performance of a new energy automobile under different environment conditions can be tested, the test efficiency and accuracy are improved, the waterproof performance of the new energy automobile can be tested through the rainfall simulation component, and the waterproof performance of the new energy automobile can be tested through the xenon lamp solar simulator. And the light condition in a real environment can be simulated so as to detect the anti-aging performance of the new energy automobile.

The invention provides a design method and system for a spectrum and irradiance automatic calibration solar simulator, and belongs to the technical field of photoelectric element testing. The design method of the solar simulator comprises the following steps: setting the solar simulator to provide solar simulation light to the spectral analysis device; performing preliminary calibration on the solar simulator based on the irradiance difference value between the simulated integral irradiance data of light in the spectral data of the solar simulated light transmitted by the spectral analysis device and the standard integral irradiance data; and setting a solar simulator to provide the preliminarily adjusted solar simulation light to the standard battery, and confirming and calibrating the spectral data of the solar simulation light transmitted by the spectral analysis device based on the current difference value between the output current of the standard battery and the calibration value of the standard battery. The method is suitable for the design of the solar simulator for measuring the photoelectric property of the photovoltaic cell.

The invention discloses a nano-magnetofluid regulated solar spectrum frequency division test method, which is characterized in that a solar simulator is adopted to irradiate a frequency divider at fixed intensity, and the frequency division frequency division test is performed under the condition that a nano-magnetofluid working medium in the frequency divider is regulated to be different in concentration. A heat energy value exported by the frequency divider and an electric energy value generated by the solar panel behind the frequency divider within a specific irradiation time are tested, and the corresponding nanometer magnetofluid working medium concentration when the photoelectric photo-thermal comprehensive performance efficiency is the maximum value is calculated as the optimal nanometer magnetofluid working medium concentration; the irradiation intensity of the solar simulator is adjusted to repeat the test, and the optimal nanometer magnetofluid working medium concentration under different solar intensities is obtained. According to the invention, how to better absorb and utilize the solar spectrum by regulating and controlling the concentration of the nano magnetic fluid under different illumination conditions can be better researched, so that solar energy absorption, conversion and utilization can be more efficiently realized after the nano magnetic fluid is applied to a frequency division type and thermal decoupling type photovoltaic thermal system.

The invention discloses a solar simulator detection method and system, relates to the field of optical systems, and is used for solving the problem of detecting optical indexes of a solar simulator. The method comprises the following steps: enabling an image plane to be positioned on a light emitting side of the solar simulator, receiving emergent light and imaging to obtain a first light field distribution image; for any pixel of the first light field distribution image, the irradiance value of the light received at the position corresponding to the pixel on the image plane is obtained according to a preset relation and the gray value of the pixel, and the preset relation describes the relation between the gray value of each pixel of the image obtained by the image plane and the irradiance value of the light received at the position corresponding to each pixel on the image plane; and obtaining an optical index of emergent light of the solar simulator according to the irradiance value corresponding to each pixel of the first light field distribution image. The emergent light of the solar simulator is imaged, the irradiance condition of the emergent light of the solar simulator is obtained according to the gray value of each pixel of the image, and then the optical index of the emergent light of the solar simulator is obtained.

The present invention provides a design method and system for automatically calibrating a solar simulator for spectrum and irradiance, belonging to the technical field of photovoltaic component testing. The solar simulator design method includes: configuring the solar simulator to provide solar simulated light to a spectrum analyzer; performing preliminary calibration of the solar simulator based on the irradiance difference between the simulated integrated irradiance data of the light in the spectrum data of the solar simulated light transmitted by the spectrum analyzer and the standard integrated irradiance data; configuring the solar simulator to provide preliminarily adjusted solar simulated light to a standard battery, and confirming and calibrating the spectrum data of the solar simulated light transmitted by the spectrum analyzer based on the current difference between the output current of the standard battery and the calibrated value of the standard battery. The solar simulator is suitable for designing a solar simulator for measuring the photoelectric performance of photovoltaic cells.

The present invention discloses a solar simulator for testing the performance of a solar photovoltaic charging system, which belongs to the technical field of optical instrument design, and includes a solar irradiance data acquisition system and an adjustable irradiance solar simulation system. The solar irradiance data acquisition system and the adjustable irradiance solar simulation system are connected to a computer via a single-chip microcomputer and a USB to serial port. The solar irradiance data acquisition system includes a solar collection light tube and a solar tracking light tube, and the adjustable irradiance solar simulator includes a condenser, an optical integrator, and a dimming board. The present invention adopts the above-mentioned solar simulator for testing the performance of a solar photovoltaic charging system, and uses the collected solar irradiance data to control the irradiance output of the solar simulator to achieve simulation of solar irradiance in a real environment, which can greatly reduce the test error, thereby accurately guiding the optimization of the solar photovoltaic charging system.

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.

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.

The invention relates to the technical field of BIPVT component performance detection, in particular to a photovoltaic and photo-thermal building integrated component synchronous testing device and method.The photovoltaic and photo-thermal building integrated component synchronous testing device comprises an outer chamber, and a first constant-temperature and constant-humidity chamber used for simulating the outdoor environment and a second constant-temperature and constant-humidity chamber used for simulating the indoor environment are arranged in the outer chamber; an electric adjustable movable heat insulation frame used for adjusting the position of the BIPVT component is arranged between the first constant temperature and humidity chamber and the second constant temperature and humidity chamber, a solar simulator used for irradiating the BIPVT component is arranged in the first constant temperature and humidity chamber, and a constant temperature system used for keeping the temperature of the BIPVT component constant is arranged in the second constant temperature and humidity chamber. And a test system for testing the BIPVT component is arranged in the outer chamber. Indoor and outdoor environment conditions are simulated through the first constant-temperature and constant-humidity chamber and the second constant-temperature and constant-humidity chamber, and the purpose of accurately testing the comprehensive performance of the BIPVT component is achieved.

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.

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%.

A system and method for testing an effect of light exposure on a skin sample include a solar simulator arranged to administer a combination of visible light (VL) and long wavelength ultraviolet radiation (UVA1) to the skin sample. The solar simulator includes a lamp for generating a light beam and at least one customized filter for receiving the light beam and emitting a VL+UVA1 spectral output having a wavelength range of 370-700 nm for irradiating the skin sample.

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.

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.

The present application provides a solar simulator for testing the electrical performance of solar cells for space use, comprising: a xenon lamp and an AM0 base filter covering the xenon lamp, for matching the AM0 spectrum, wherein the AM0 spectrum is divided into N bands, where N is greater than or equal to 3; N‑1 movable filters, respectively for attenuating the irradiance of the N‑1 bands, each movable filter being constructed to block a portion of the light-emitting surface of the xenon lamp, and each movable filter being capable of moving independently relative to the xenon lamp, thereby changing the blocked area of the light-emitting surface of the xenon lamp blocked by each movable filter; N‑2 fill lights, for supplementing the irradiance of the N‑2 bands of the AM0 spectrum; and a power supply system for separately controlling the irradiance of the xenon lamp and the fill light.

A photothermal efficiency measurement device and method, the device comprises a solar simulator, a half mirror, a current detector, a comparison integrating sphere, a black body, a temperature difference cooling sheet, a base and a test integrating sphere; a sample to be tested is arranged on the base, the test integrating sphere is arranged on the upper surface of the sample to be tested, the comparison integrating sphere is arranged on the black body and the test hole of the comparison integrating sphere is in contact with the upper surface of the black body, the method comprises first placing the sample to be tested on the base so that the upper surface of the sample to be tested is flush with the upper surface of the black body; then installing the temperature difference cooling sheet between the detection holes of the test integrating sphere and the comparison integrating sphere; an energy detector records the test results; the temperature of the black body is adjusted, and the indication of the current detector is observed. The present invention uses the method of equivalent black body to centrally integrate the influence of factors such as the self-reflection, self-radiation and incident light of the upper coating of the sample to be tested on the test results, which greatly improves the accuracy of the final test results.

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.

The utility model provides a device for attenuating the light intensity of a solar simulator, and the device comprises a device body which is used for attenuating the light intensity emitted by the solar simulator. The adjusting structure is used for adjusting the light intensity attenuation degree of the device main body to the solar simulator; the transmission structure is used for achieving a transmission effect between the adjusting structure and the device body, one end of the transmission structure is connected to the adjusting structure, and the other end of the transmission structure is connected to the device body. According to the technical scheme, the upper silk screen and the lower silk screen in the device are made of nickel wires, so that the device can effectively work in a simulator at the temperature of 500 DEG C; the upper silk screen and the lower silk screen which are different in specification are matched, the rotating handle is adjusted through the adjusting knob, and light intensity attenuation of different degrees can be achieved.

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.

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.

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.

The present invention specifically relates to a test platform and test method for thermal damage to a space optical camera incident on sunlight. The test platform includes a solar simulator, a heat-insulating shading device, an integrating sphere, a collimator, a multi-axis moving device, a space optical camera, a thermal imager, a test main control system, an infrared thermal imager, a temperature acquisition device, and a coaxiality detection device. This test platform can simulate and analyze the thermal damage to the space optical camera incident on sunlight on the ground, establish the relationship between the thermal damage to the space optical camera incident on sunlight and the sunlight incident angle and sunlight incident time, and provide a certain reference basis for the overall layout design of the space optical camera, the setting of the on-orbit flight attitude, the on-orbit mission mode and the business attitude, as well as the avoidance plan for sunlight incidence and the tracing of the cause of damage to the on-orbit camera after sunlight incidence during the development and on-orbit operation stages.

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.

The invention discloses a solar simulator, which is characterized in that a plurality of LED lamp panels are arranged on a first surface of a reference station around an integrated sensor, and a control module is arranged on the reference station to control a power supply module to supply power to the LED lamp panels and control operation parameters of the LED lamp panels so as to realize sunlight simulation. The LED lamp panels are coaxially and fixedly connected with pins arranged on the reference table through mounting holes, errors caused by repeated mounting are reduced, the position setting accuracy of the LED lamp panels is improved, the LED lamp panels are annularly arranged in a specific distribution mode, uniform light intensity of a test area is ensured through the irradiation superposition technology, the integrated sensor monitors the light intensity in real time and feeds back the light intensity to the control module, and the control module is connected with the LED lamp panels. The control module dynamically adjusts the power of the lamp panel through the power supply module so as to optimize the irradiation uniformity reference station, and the problems of poor irradiation uniformity, poor installation repeatability of the lamp panel and the like are solved through ultrahigh-precision flatness and stable physical characteristics of the irradiation uniformity reference station.

The invention provides a light field regulation and control doping method for a tin-based perovskite solar cell, and belongs to the technical field of solar cells, the light field regulation and control doping method comprises the steps that the tin-based perovskite solar cell is placed in a preset atmosphere for pretreatment, and the preset atmosphere comprises water and oxygen; transferring the pretreated tin-based perovskite solar cell to an inert gas environment; in an inert gas environment, placing the pretreated tin-based perovskite solar cell under a solar simulator for irradiation treatment; the tin-based perovskite solar cell comprises a perovskite light absorption layer and an electron transport layer located on the perovskite light absorption layer, the perovskite light absorption layer is a tin-based perovskite thin film, and the electron transport layer comprises at least one of fullerene, [6, 6]-phenyl C61 methyl butyrate and an indene-C60 double adduct. When the tin-based perovskite solar cell is processed by the method disclosed by the invention, the open-circuit voltage and the photoelectric conversion efficiency of the cell can be improved.

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.

A dodging device belongs to the field of solar simulator components and is characterized by comprising a light source and a box body, openings are formed in the two ends of the box body; the light source is arranged at one end of the box body; the inner wall of the other end of the box body is provided with a specular reflection area and a non-specular reflection area. According to the dodging device, an existing dodging device is improved, the box body part of the dodging device is arranged to be the specular reflection area and the non-specular reflection area, the direction of light beams which cannot directly irradiate a test area is changed through the specular reflection area, the light beams irradiate the edge of the test area, and therefore irradiation distribution with the strong center and the weak periphery is neutralized, and the good dodging effect is achieved. The high-quality light irradiation with the uniformity smaller than 1% can be obtained within the light-emitting intercept range of 10-100 cm, meanwhile, the high-quality light irradiation device has the high light energy utilization rate, and is simple in structure and suitable for application and popularization.

1. Name of the design product: Solar Simulator (Space). 2. Use of the design product: For simulating natural light illumination. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view 1.