Title:
LIGHT COLLECTION STRUCTURE
Document Type and Number:
Japanese Patent JP2021057132
Kind Code:
A
Abstract:
To provide a light collection structure capable of taking sunlight into a room with a light shelf to increase illuminance in the room, and capable of suppressing the reverberation of sound in the room.SOLUTION: A light collection structure 10 comprises: a light collection window 20 provided on an outer wall 2 of a building 1; a light shelf 30 that is arranged at a position opposite to the light collection window 20, and reflects sunlight L toward a ceiling surface 12a of an indoor RI; and a sound absorbing material 40A arranged in a ceiling area 12b that the sunlight L reflected by the light shelf 30 reaches. The sound absorbing material 40A comprises first inclined portions 43a to 43c having first inclined surfaces 41a to 41c inclined downward on the indoor RI side so as to reflect the sunlight L toward the indoor RI side. The thickness of the first inclined portions 43a to 43c increases from the indoor RI side to an outdoor RO side.SELECTED DRAWING: Figure 1
Inventors:
ITO AYAKO
Application Number:
JP2019177031A
Publication Date:
April 08, 2021
Filing Date:
September 27, 2019
Export Citation:
Assignee:
DAIWA HOUSE IND
International Classes:
F21S11/00; F21V7/04; F21V33/00
Attorney, Agent or Firm:
Hiraki International Patent Office