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60 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.

Solar spectrum simulation method based on BP neural network

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.
Owner:CHANGCHUN UNIV OF SCI & TECH

Solar simulator detection method and 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.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

A design method and system for automatically calibrating a solar simulator for spectrum and irradiance

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.
Owner:NATIONAL INSTITUTE OF METROLOGY CHINA

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

A solar simulator for testing the electrical performance of solar cells and its adjustment method

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.
Owner:BEIJING DONGFANG MEASUREMENT & TEST INST

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

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

Test platform and test method for thermal damage of space optical camera incident on sunlight

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.
Owner:CHANGGUANG SATELLITE TECH 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

Light field regulation and control doping method for tin-based perovskite solar cell

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.
Owner:UNIV OF SCI & TECH OF CHINA

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 (Space)

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.
Owner:DELAIKE (LANGFANG) TECH CO LTD

Solar simulator spectrum filter adjusting system

The utility model relates to the technical field of simulators, and discloses a solar simulator spectrum filter adjusting system which comprises a base shell, a light hole is formed in the base shell in a communicating mode in the direction perpendicular to the length direction of the base shell, and a shutter used for opening and closing the light hole is slidably arranged at the light hole, close to one side of a light facing face, in the base shell. A semi-light shading piece is arranged at the position, close to the side away from the light facing face, of the light transmitting hole in the base shell, the semi-light shading piece covers the light transmitting hole, and a light filtering part is arranged between the semi-light shading piece and the shutter. The light filtering part comprises a light filtering frame, two reels rotationally arranged in the light filtering frame, a flexible light filter jointly wound on the two reels and a servo motor for driving the reels to rotate, the two reels are distributed on the two sides of the light hole in the length direction of the base shell, and when the flexible light filter is completely unfolded, the flexible light filter is driven by the servo motor to rotate. And a plurality of color cards matched with different spectral bands of sunlight are distributed along the length direction of the color cards. The method has the effects of improving the refinement effect of spectrum adjustment and enlarging the spectrum adjustment range.
Owner:WUXI BAISHIQI PHOTOVOLTAIC TECH CO LTD

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

A metal-based interface evaporator suitable for high-salt water treatment

The present invention belongs to the technical field of high-salt water treatment, specifically a metal-based interface evaporator suitable for high-salt water treatment, comprising a constant temperature and humidity chamber, a beaker for storing a solution, a solar simulator and an evaporator, the solar simulator being arranged at the top of the constant temperature and humidity chamber, a cabinet door being slidingly installed on the side wall of the constant temperature and humidity chamber, the beaker being fixedly installed at the bottom end of the inner wall of the constant temperature and humidity chamber, a light-transmitting plate being arranged at the top of the constant temperature and humidity chamber, the evaporator comprising a power rod and a wheel-shaped block, one end of the power rod extending to the inner cavity of the beaker, the wheel-shaped block being fixedly installed on the outer wall of the power rod, a plurality of wheel-shaped blocks being provided, a plurality of and at least three power rods being provided, the wheel-shaped blocks being arranged in a truncated cone shape, a support rod being fixedly installed on the outer wall of the power rod, water lifting can be achieved by capillary action, and three-dimensional interface evaporation is performed using solar energy and other thermal energy, the evaporator is suitable for high-salt water treatment, and its application is not restricted by geographical location, and it has a wide range of applications and strong universality.
Owner:TONGJI UNIV

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

Battery string detection equipment

The utility model provides cell string detection equipment, and relates to the technical field of solar cell detection equipment. The battery string detection device 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. The battery string detection equipment can monitor the performance of the battery string, further monitor the tandem connection quality of the battery pieces, screen the electrical performance grade of the battery string in advance, and improve the photoelectric conversion efficiency of a battery assembly.
Owner:SUZHOU MAIYUE INTELLIGENT TECH 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

Polarization type PID test method for photovoltaic module

The invention relates to a photovoltaic module polarization type PID test method. The method comprises the following steps: S1, carrying out a stability test; appearance inspection and various tests are carried out on the photovoltaic module before the test is started; s2, pasting an insulating adhesive tape, then pasting a conductive adhesive tape on the upper surface and the lower surface of the photovoltaic module at positions which do not shield a battery piece, reserving a leading-out end, coating conductive gel on the upper surface of the photovoltaic module, covering the conductive gel with a transparent film, and finally pasting an aluminum foil on the back surface of the photovoltaic module; s3, placing the photovoltaic module in the steady-state solar simulator, and supporting a photovoltaic module back plate on the back surface by using a rubber pad; an electronic load is connected between positive and negative terminals of the photovoltaic module, and the normal working condition of the module is simulated; s4, the test time is 20 hours; and S5, after the test is finished, performing appearance inspection and various tests. According to the polarization type PID test method for the photovoltaic module, the total test time is shortened, and the resistance of the photovoltaic module to PID-p is represented.
Owner:CHANGZHOU HUAYANG TESTING TECH CO LTD

Solar energy / sound wave field coupling driven offshore floating crude oil recovery evaluation system and method

The invention discloses a solar energy / sound wave field coupling driven offshore floating crude oil recovery evaluation system and method, and particularly relates to an ion concentration measuring device, a crude oil recovery testing cavity, a controllable optical element, a solar simulator, a supporting frame, a vertical wave source, an inclined wave source, an optical receiver, a wave source integrated controller and other elements. In order to overcome the defect that solar energy serves as a unique source to drive a crude oil recovery mode, a more stable and multi-energy cooperative driving mode is provided, so that the accuracy and efficiency of leaked crude oil are guaranteed, and economic and environmental losses caused by crude oil leakage are greatly reduced. Meanwhile, a multi-field coupling enhanced crude oil recovery theoretical reference and experimental system can be provided for related science and technology workers or research and development personnel, and the research and development personnel are helped to analyze an internal process enhancement mechanism. The system has the advantages of high integration level, convenience in operation and the like.
Owner:XI'AN PETROLEUM UNIVERSITY