Solar cell testing equipment cooling solutions

Solar cell testing equipment is used to detect defects in solar cell chips. It is a tabletop application designed for solar cells. By detecting the defects of solar cell chips, it can assist users to understand the material defects and process defects of solar cells, and further help the monitoring and optimization of manufacturing process. The system has a set of high performance photometric head composed of special image optical system and high sensitivity camera module, which provides users with a series of advanced options to realize defect detection during chip preparation.

Solar cell spectral response test, quantum efficiency QE test, photoelectric conversion efficiency IPCE test, etc. Broadly speaking, it is to measure the photogeneration current and optical conductivity of photovoltaic materials under different wavelength illumination conditions. The absolute spectral response and quantum efficiency of the solar cell are obtained by irradiating the solar cell with bias light with adjustable intensity to simulate its different working states and measuring the short-circuit current generated by the solar cell under the single-color light with different wavelengths. Solar energy is becoming more and more widely used, and the number of solar cells needed is very large. This requires rigorous testing equipment to ensure the quality of solar cells. The detection equipment belongs to the working mode of electronic chip, which is bound to generate a lot of heat.The heat has been known to plague electronic devices.At present, the most widely used is air-cooled heat dissipation. Although the cost is low and convenient to use, the heat dissipation rate and environmental factors restrict the detection equipment with high energy consumption.

Water cooling has been widely used in recent years, which provides an effective reference for solar cell detection equipment.Water-cooled heat dissipation can quickly emit heat, and can ensure a stable and continuous low temperature, in addition, quiet green characteristics are in line with the trend of energy conservation. The cooling market will occupy a large position in the future, so there is a basis for replacing air-cooled cooling with water-cooled cooling.

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