The CCD is a state-of-the-art meteorological observation device designed for precise measurement of sky cloud cover and solar transmittance. Utilizing advanced large-scale algorithms in conjunction with professional optical sensing technology, the device accurately calculates and analyzes cloud transmittance of sunlight in real time, delivering high-precision cloud monitoring data. The CCD is particularly well-suited for use in meteorological stations, climate research centers, agricultural monitoring, and solar power generation. It enables users across various industries to gain a more accurate understanding of weather patterns and their impact on solar energy utilization.