DAYLIGHTING DEVICE

• Main Authors: OKI YASUHIRO, KAGE HINAKO, HARIMOTO KAZUYOSHI, SUGAWARA KEIKO, TOYOHARA NORIYUKI, SAKUMA EIJI, INOSATO KOJI, TOMOKAGE HISASHI, ICHIHARA SANEMARE
• Format: Patent
• Language: English; Japanese
• Published: 17.01.2019
• Subjects: BLASTING; DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LADDERS; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

To provide a daylighting device capable of realizing a natural light environment by leveling lightness on a ceiling plane.SOLUTION: The present invention relates to a daylighting device 1 which reflects sunlight S and irradiates a ceiling plane 3b with reflection light R. The daylighting device 1 is characterized in that, along a window 3f, a light introduction mitigation region R1 and a light introduction region R2 are provided successively from an upper side to a lower side. The light introduction mitigation region R1 includes multiple light diffusion reflective plates 11 each of which is provided in such a manner that an outer end 11a is positioned at an outdoor side 5 and an inner end 11b is positioned at an indoor side 3 and includes a top face that is finished in such a manner that light is diffused. The light introduction region R2 includes multiple mirror reflective plates 10 each of which is provided in such a manner that an outer end 10a is positioned at the outdoor side 5 and an inner end 10b is positioned at the indoor side 3, and includes a top face 10c that is mirror-finished in such a manner that light is reflected directly.SELECTED DRAWING: Figure 2 【課題】天井面における明るさが均されて、自然な光環境を実現可能な、採光装置を提供する。【解決手段】太陽光Ｓを反射して、反射光Ｒを屋内の天井面３ｂに照射する採光装置１であって、窓３ｆに沿って、上方から下方へ向けて光導入緩和領域Ｒ１と光導入領域Ｒ２とがこの順に設けられ、前記光導入緩和領域Ｒ１は、外端部１１ａが屋外５側に、内端部１１ｂが屋内３側に位置するように設けられて、上面が光を拡散させるように仕上げられた複数の光拡散反射板１１を備え、前記光導入領域Ｒ２は、外端部１０ａが屋外５側に、内端部１０ｂが屋内３側に位置するように設けられて、上面１０ｃが光を直接反射させるよう鏡面仕上げされた複数の鏡面反射板１０を備えてなることを特徴とする、採光装置１を提供する。【選択図】図２