多媒体教室的光环境实测调查

An Investigation on Luminous Environment of Multimedia Classroom

调查了某高校正在使用的若干多媒体教室,对其中一间多媒体教室天然采光以及天然采光辅助人工照明情况下教室内桌面照度、黑板照度、投影大屏幕亮度等进行了测试,对投影大屏幕清晰度予以了主观评价,讨论了多媒体教室光环境设计中投影大屏幕、环境亮度、桌面照度三者之间应遵循的关系。

Multimedia classroom are being used more and more recently, but there is a little study on their luminous environment. In this paper, the luminous environment in some of the multimedia classroom of a university in Tianjin was investigated. Illuminances of desktops and blackboard, and luminance of large project screen are measured respectively at natural lighting conditions and at natural and assistant artificial lighting conditions. The definition of the large projector screen are also evaluated. Finally, the relations between screen definition, environment luminance and desktop illuminance are discussed.