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在夏热冬暖地区,降低窗和玻璃幕墙的外遮阳系数是降低空调能耗的有效方法之一,然而降低窗的外遮阳系数的同时也减少了对自然光的利用,从而增加了照明能耗。因此,需要对空调能耗和照明能耗进行权衡判断。本文对某办公楼的全年空调能耗和照明能耗进行了模拟,以建筑全年空调能耗和照明能耗的总和为控制指标,对建筑垂直外百叶遮阳结构(百叶出挑长度、百叶数和百叶倾角)进行了优化设计分析。结果表明,增加百叶出挑长度或增加百叶数,空调耗电量降低,照明耗电量增大,总能耗降低。但是,改变百叶偏角,空调和照明的总耗电量先是增大,而后减少,当百叶偏角为-15°时,总耗电量出现最大值。
In the hot summer and warm winter area, reducing the outer shade coefficient of windows and glass curtain walls is one of the effective ways to reduce the energy consumption of air conditioners. However, reducing the outer shading coefficient of windows reduces the utilization of natural light and increases the energy consumption of lighting . Therefore, the need to air conditioning energy consumption and lighting trade-offs to judge. This paper simulates the annual energy consumption of air-conditioners and the energy consumption of lighting in an office building. Taking the sum of air-conditioning energy consumption and lighting energy consumption as the control index, And louver dip) were optimized design analysis. The results show that increasing the length of blinds to increase or increase the number of louvers, air conditioning power consumption decreased, lighting power consumption increased, the total energy consumption decreased. However, changing the louvers, the total power consumption of air conditioners and lights first increased and then decreased, with a maximum of -15 ° louver.