Simulation light source device for solar battery attenuation test

Abstract

The invention discloses an simulation light source device for a solar battery attenuation test, which comprises a lamp house, an simulation solar lamp, a temperature sensor, an irradiatometer, a refrigeration compressor, a cooling tube and an electric control panel, wherein the simulation solar lamp, the temperature sensor, the irradiatometer and the cooling tube are arranged in the lamp house; the refrigeration compressor is arranged outside the lamp house and controlled by the temperature sensor; and the simulation solar lamp is controlled by the irradiatometer and the illumination intensity of the simulation solar lamp is 0.5 to 2.0 kW / m<2>. The timing attenuation illumination test is performed on the solar battery by adopting the specific illumination intensity at a pre-determined environmental temperature, the service life of the battery can be calculated exactly by simply measuring the electric parameters of a starting terminal and an ending terminal, and the illumination intensity, the illumination time and the environmental temperature all can be controlled during the experiment and the test. The simulation light source device for the solar battery attenuation test overcomes the defects of the natural illumination and guarantees high repeatability and high reliability of the test data obtained by solar battery attenuation test equipment.

Description

Technical field: [0001] The invention relates to a solar cell attenuation tester, in particular to a simulated light source device therein. Background technique: [0002] In recent years, as a clean and environmentally friendly new energy source, solar cells have been more and more widely used. The service life of solar cells is the main technical indicator to measure the quality of batteries. The service life of solar cells is determined by the attenuation of solar cells. Measured. At present, people usually use the open-air light test method to test it. The solar cells are directly placed outdoors, and the solar cells are irradiated with natural sunlight. By comparing the output power of the solar cells before and after exposure to the sun, to evaluate its attenuation. In this open-air light test method, the natural light received by the solar cell is very unstable, and the light intensity and light time change with the natural weather, which is beyond the control of peo...

AI Technical Summary

Problems solved by technology

In this open-air light test method, the natural light received by the solar cell is very unstable, and the light intensity and light time change with the natural weather, which cannot be controlled by people. Not only the test cycle is long, but the test data obtained cannot be repeated. Poor, and at the same time, the battery is not protected when placed outdoors, and it is easy to be broken by the wind

In the solar cell production industry, although people know that the service life of solar cells is the main technical index to measure its quality, due to the lack of specific testing standards, there is no credible testing equipment, and because users attach great importance to this index, manufacturers It only promises users that its service life can reach 20 years, but there is no corresponding test data to prove it

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