Research On The Optimization Design Of The North-facing Sunshine Environment Of The Building

As an important part of building environment,light environment has important significance in energy saving,environmental protection and physical and mental health of human body.The purpose of this paper is to improve the lighting quality of the building's north-facing space.After explaining the important practical significance of natural light,through questionnaire investigation and analysis,the paper summarizes people's feeling and lighting habits in different indoor light environments,which provides valuable reference for the later chapter of the paper.Based on the above,a new type of reflecting lighting system,dynamic fan-leaf reflecting system,is proposed to compensate the northward spatial light environment of buildings.In this paper,the vernal equinox is used as the time node for analysis.When the azimuth angle of the sun varies ten degrees,the influence of reflecting device on the illumination and the line of sight in the northward room receiving reflected light is analyzed,and the mathematical calculation is carried out.The angular relationship between the rotating mirror and the fixed mirror in the reflector is obtained.Then,taking the No.2 experimental building of Zhongyuan University of Technology as an example,the illumination of dynamic fan-blade reflecting system,plane reflecting board and building northward room without reflecting measures are measured and analyzed through experiments,and the characteristics of the reflecting device are demonstrated.Finally,the dynamic fan-blade reflector system is combined with the actual building,and its installation and use time are analyzed from the vertical and horizontal aspects respectively.Hope to some extent for residential buildings,hotel buildings,medical and inpatient departments,etc.,need direct light to improve the indoor light environment of the northward room.It provides valuable reference for building insolation.In order to provide a realizable development direction for more energy-saving and pleasant indoor space in the future.