PROBLEM TO BE SOLVED: To provide an indoor sterilization device which is intended to sterilize bacteria and viruses that fill a room and float in the room, and which is also capable of reducing influences on a human body.SOLUTION: An indoor sterilization device 1 includes a casing 2, an attachment part for attaching the casing 2 to a wall surface inside a room, a light source 3 to irradiate ultraviolet, and a diaphragm member 4 to narrow down an irradiation range of ultraviolet irradiated from the light source 3.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2020,JPO&INPIT【課題】室内に充満して浮遊する細菌やウイルスを殺菌すると共に、人体への影響も低下できる室内殺菌装置を提供する。【解決手段】室内殺菌装置１は、筐体２と、室内の壁面に前記筐体２を取り付けるための取付部と、紫外線を照射する光源３と、前記光源３が照射する紫外線の照射範囲を絞る絞り部材４を備える。【選択図】図４
