| 摘要 |
PURPOSE: A solar tracking device is provided to accurately and rapidly track sunlight using an accurate tracking optical sensor module and a wide tracking optical sensor module in bad conditions. CONSTITUTION: A solar tracking device comprises an accurate tracking optical sensor module(20) and a wide tracking optical sensor module(10). The accurate tracking optical sensor module comprises a cylindrical body(210) and four and more accurate tracking optical sensors(220). The accurate tracking optical sensors are placed inside the cylindrical body based on direction. The wide tracking optical sensor module is integrated with or inserted into the entrance circumference of the cylindrical body. The wide tracking optical sensor module has a tapered outside part.
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