视觉舒适感导向下的媒体立面动态照明评估--基于实验室与城市环境的比对分析  

Visual comfort oriented dynamic lighting evaluation of media facade:Based on comparative analysis of laboratory and urban environment

作　　者：冯凯 郝洛西[2] FENG Kai;HAO Luoxi

机构地区：[1]昆明理工大学建筑与城市规划学院 [2]同济大学建筑与城市规划学院

出　　处：《西部人居环境学刊》2024年第2期144-150,共7页Journal of Human Settlements in West China

基　　金：上海科委项目(22dz1202400)。

摘　　要：健康城市背景下的各类建设活动不断强化对公众生活的健康关护,作为我国城市夜景建设的重要组成,媒体立面动态照明由于基础研究不足、标准规范缺失等问题引发了众多社会与环境问题。研究设计并搭建了一套用于评估媒体立面动态照明舒适感的实验装置,结合主观量表与眼动数据探讨了光色、动态持续时间、观察距离等关键变量下观察者的视觉舒适感变化规律。随后通过城市环境实验对实验室结论进行验证,结果表明二者在结论上具有较好一致性。具体包括:距离变量下,观察距离越远,舒适感越高。亮度变量下可接受的亮度水平内亮度升高舒适感上升,当亮度超出可接受范围时,更高亮度会引起舒适感的快速下降;最高亮度相较于平均亮度更易引发不适感。动态持续时间变量下,舒适感与动态时长以正比关系为主导;多数被试更偏好3 s及以上的动态持续时间。光色变量下,在可接受的刺激强度内彩色光对个体间的影响差异明显,而白光提供的舒适感水平较为统一;当刺激超出可接受范围时,彩色光会带来更强不适感。同期结合研究结论提出媒体立面设计和管控过程中的相关建议和待完善内容,以助力媒体立面实践管控和后续更深入、广泛的研究。In the context of healthy cities,construction activities in many cities around the world have strengthened the protection towards public life and health.As an important component of urban infrastructure,urban lighting plays an important role in serving the public’s night outdoor activities and improving the quality of the city’s night scene.Health issues at nighttime were constantly discussed,but the detailed impacts of various newly developed lighting technology on public health is not comprehensive.As one of the important contents of nightscape,media facade has been applied in many cities,and its high brightness,multi-color,dynamic and other characteristics have aroused widespread discussions all over the world.As there are still problems such as insufficient basic research and unclear regulatory control requirements,media facade lighting have caused many issues related to visual comfort,aesthetic quality,etc.Combining the characteristics of displaying to supply the comfort assessment in dynamic scenes could provide scientific support for a more scientific and precise management and control towards media facade.This research were conducted in two steps:laboratory(indoor)and urban(outdoor)environment.The former step simulated the spatial characteristics of media facades in urban environments by building a set of experiments to evaluate the visual comfort in dynamic lighting scenes.The device consists of three parts including observer,observation box and lighting component.The most common scenes in cities were selected as experimental variables through network data,on-site surveys,including six light colors(3000K/4000K/5000K/red/blue/RGB),five dynamic durations(2s/4s/6s/8s/10s),and combined with laboratory’s conditions,three observation distances(3m/6m/9m)were obtained.The subjective questionnaire in the experiment was based on SCL-90,four items including sector 17,39,57,and 78 in the“anxiety”dimension and two items of sector one and four in the“somatization”dimension were selected.Combined with res

关 键 词：媒体立面 动态照明 舒适感 眼动 主观量表 

分 类 号：TU972[建筑科学—建筑设计及理论]