| As the most important part of the facility agriculture, the sunlight greenhouse plays a fundamental role in promoting the development of various industries in the society. And lighting performance is an important parameter to measure the performance quality in solar greenhouse and its products of crops cultivated in greenhouse production is directly influence and even consider it as foundation and necessary condition of the development of solar greenhouse is not excessive.This topic is from the actual needs of Jinzhong region of the solar greenhouse in winter of modified starting on different skeleton of solar greenhouse daylighting performance test analysis, thus in Jinzhong Area solar greenhouse is improved. Improved greenhouse can not only reduce due to artificial warming and the consumption of energy, can also promote the growth of crops in greenhouse production increase economic benefit, is conducive to the development and progress of China's agricultural modernization.In this paper, MATLAB is used as the analysis software to calculate and analyze the data collected. On the greenhouse daylighting performance is to solar radiation radiation transmittance, light according to uniform division, light and effective radiation as index, to the traditional greenhouse, spline curve greenhouse,1/5 power function curve of greenhouse,1/7 power function curve of greenhouse as the experimental greenhouse were data acquisition.From the measured results can be seen spline curve greenhouse skeleton, the 1/5 power function greenhouse skeleton,1/7 power function greenhouse skeleton in effect on the date of the total radiation are higher than those of the conventional greenhouse and between 10:00 to 14:00, greenhouse solar radiation transmission rate and light distribution uniformity of the difference was not significant, transmittance and greenhouse in uniform illumination distribution were superior to the traditional greenhouse, of which 1/7 power function greenhouse skeleton best. |
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