ULTRAVIOLET IRRADIATION DEVICE, INDOOR UNIT FOR AIR CONDITIONER EQUIPPED WITH THE SAME, AIR PURIFIER AND VENTILATION DUCT FOR HOUSING PURPOSES

• Main Authors: SUZUKI KENJI, YABUKI NAOTO
• Format: Patent
• Language: English; Japanese
• Published: 26.05.2023
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; HEATING; HUMAN NECESSITIES; HYGIENE; LIGHTING; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MECHANICAL ENGINEERING; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; RANGES; VENTILATING; WEAPONS

To provide an ultraviolet irradiation device with a higher sterilization performance using a deep ultraviolet LED.SOLUTION: The ultraviolet irradiation device 100 includes: two reflectors 1, 2 disposed at an enclosure 10 having an intake port 6 configured to take the air from outside to form an airflow therein and an outlet port 7 configured to exhaust the air taken in, the two reflectors disposed on both sides in an axial direction inside the enclosure 10 and arranged offset so as to repeat reflection therebetween; an ultraviolet light luminescent unit 6 disposed on a back face side of a reflector 2 of the two reflectors 1, 2; and a rotation mechanism 20 configured to rotate at least one of the two reflectors 1, 2, as a radiation range enlargement mechanism, centering an optical axis CLL of the ultraviolet light luminescent unit 6.SELECTED DRAWING: Figure 1 【課題】深紫外ＬＥＤを用いた殺菌性能の高い紫外線照射装置を提供する。【解決手段】 紫外線照射装置１００は、自身内部に空気の流れができるように外部からの空気を吸気する吸気口６とその吸気した空気を排出する吹出口７とを有する筐体１０に設置され、筐体１０の内部において一の軸方向での両端に配置されて相互間で反射を繰り返すようにオフセット配置される二つの反射器１，２と、二つの反射器１，２のうち一方の反射器２の背面側に配置された紫外線発光ユニット６と、照射領域拡張機構として二つの反射器１，２の少なくとも一方を紫外線発光ユニット６の光軸ＣＬＬを中心に回転させる回転機構２０と、を備える。【選択図】図１