WO2019239986A1 - Dispositif d'irradiation par rayons ultraviolets - Google Patents

Dispositif d'irradiation par rayons ultraviolets Download PDF

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Publication number
WO2019239986A1
WO2019239986A1 PCT/JP2019/022393 JP2019022393W WO2019239986A1 WO 2019239986 A1 WO2019239986 A1 WO 2019239986A1 JP 2019022393 W JP2019022393 W JP 2019022393W WO 2019239986 A1 WO2019239986 A1 WO 2019239986A1
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WO
WIPO (PCT)
Prior art keywords
ultraviolet
wind
opening
generation unit
housing
Prior art date
Application number
PCT/JP2019/022393
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English (en)
Japanese (ja)
Inventor
鉄美 越智
Original Assignee
日機装株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日機装株式会社 filed Critical 日機装株式会社
Publication of WO2019239986A1 publication Critical patent/WO2019239986A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation

Definitions

  • the present invention relates to an ultraviolet irradiation device.
  • the present invention has been made in view of these problems, and one of the exemplary purposes thereof is to provide a new ultraviolet irradiation apparatus having a high sterilizing effect.
  • an ultraviolet irradiation device is provided with a housing having an opening, an ultraviolet generator that emits ultraviolet light, and an interior of the housing.
  • a wind generation unit that generates wind in the housing.
  • the opening is provided so that an irradiation target to be irradiated with ultraviolet rays is arranged, the ultraviolet ray generation unit is arranged to irradiate ultraviolet rays toward the opening, and the wind generation unit is irradiated It is comprised so that the wind which hits may be produced.
  • the object to be irradiated with ultraviolet rays is a raised fabric such as carpet
  • the ultraviolet rays may not reach the virus, bacteria, microorganisms (hereinafter referred to as “virus”) that have entered the gap.
  • virus bacteria, microorganisms
  • the object to be sterilized such as a virus attached to the irradiation object moves by applying wind to the irradiation object arranged in the opening, and the ultraviolet ray does not reach until then.
  • the virus can be irradiated with ultraviolet rays.
  • an ultraviolet irradiation device having a high sterilizing effect can be realized.
  • the opening may be formed so as to be blocked by the irradiation target. Thereby, it can suppress that the virus adhering to irradiation object disperses outside from an opening part with a wind.
  • the inner wall of the casing surrounding the opening may have a reflection part that reflects ultraviolet rays toward the opening. Thereby, an ultraviolet-ray is irradiated to irradiation object without waste.
  • the inner wall of the housing may be coated with titanium oxide. Thereby, deodorization and virus sterilization can be performed more efficiently.
  • the wind generation unit may include a fan and a wind direction changing mechanism that changes the direction of the wind generated by the fan. Thereby, a wind can be uniformly applied with respect to the wide range of irradiation object.
  • the ultraviolet ray generator may emit ultraviolet rays having a peak wavelength in the range of 250 to 300 nm. Thereby, while inactivating a virus, it can suppress that an irradiation object deteriorates with an ultraviolet-ray.
  • the case may be provided with a sterilization chamber between the opening and the ultraviolet ray generating unit for sterilizing a virus separated from the irradiation target with ultraviolet rays when the wind generated by the wind generating unit hits the irradiation target. .
  • the virus separated from the irradiation target can be sterilized efficiently.
  • the casing is provided with a spare chamber in a region opposite to the side where the opening of the sterilization chamber is located, and the wind generating unit is provided in a partition wall separating the sterilization chamber and the spare chamber. May be provided with a preliminary ultraviolet ray generator that irradiates the virus flowing from the sterilization chamber via the wind generator with ultraviolet rays. Thereby, the virus which has flowed into the spare room can be sterilized.
  • the spare chamber may be configured to have a positive pressure with respect to the sterilization chamber. This makes it difficult for viruses to enter the spare room from the sterilization room, and the virus can be sterilized efficiently in the sterilization room.
  • an ultraviolet irradiation device having a high bactericidal effect can be realized.
  • FIG. 1 is a cross-sectional view of a schematic configuration of an ultraviolet irradiation apparatus according to the present embodiment.
  • An ultraviolet irradiation device 10 shown in FIG. 1 includes a housing 14 having an opening 12, a grip 15 provided in the housing 14, and an ultraviolet generator that emits ultraviolet light L provided inside the housing 14. And a plurality of LEDs 16 and a wind generator 18 that is provided inside the housing 14 and generates wind in the housing.
  • the ultraviolet irradiation device 10 can be easily sterilized by ultraviolet irradiation by the user grasping the grip 15 and moving to the floor, bed, furniture or the like to be sterilized.
  • the opening 12 is provided so that the carpet 20 as an irradiation target irradiated with the ultraviolet ray L is disposed.
  • Each of the plurality of LEDs 16 arranged in an array is arranged so as to irradiate ultraviolet rays L toward the opening 12. Thereby, ultraviolet irradiation with little unevenness to the carpet 20 is possible.
  • the few wind generation parts 18 are comprised so that the wind which hits the carpet 20 may be produced.
  • the ultraviolet irradiation device 10 moves the sterilization target such as a virus attached to the carpet 20 by applying the wind W to the carpet 20 arranged in the opening 12. It is possible to irradiate the virus L which has existed in a place where the ultraviolet ray L has not reached before. As a result, the ultraviolet irradiation device 10 having a high sterilizing effect can be realized.
  • the opening 12 is formed so that the peripheral end surface 14a is flat over the entire circumference so as to be blocked by the carpet 20. Further, the end face 14a is configured by an elastic close-contact member that easily follows the shape of the irradiation target so that viruses inside the casing do not leak outside when the casing 14 is pressed against the carpet 20. Good.
  • the contact member is, for example, a flexible filter or rubber that does not allow virus to pass but allows air to pass. Thereby, it can suppress that the virus adhering to the carpet 20 is scattered outside from the opening part 12 by the wind W.
  • the inner wall 14b of the housing 14 surrounding the opening 12 has a reflecting portion 14c that reflects the ultraviolet light L toward the opening 12.
  • the reflecting portion 14c is preferably, for example, one obtained by electropolishing the surface of pure aluminum (JIS 1000 series). Since the reflection part 14c comprised in this way can reflect an ultraviolet-ray efficiently, an ultraviolet-ray is irradiated to irradiation object without waste.
  • the inner wall 14b of the housing 14 may be coated with titanium oxide. Titanium oxide generates active oxygen when irradiated with ultraviolet rays, so deodorization and virus sterilization can be performed more efficiently.
  • the wind generator 18 has a fan and a wind direction changing mechanism that changes the direction of the wind generated by the fan.
  • the wind direction changing mechanism is, for example, a swing mechanism of a fan or a louver mechanism of an air conditioner.
  • the wind W can be uniformly applied to a wide range of the carpet 20.
  • the direction of the fan is preferably such that it is directly blown against the carpet 20 from above.
  • the wind generated by the wind generating unit 18 is preferably a swirl flow directly toward the carpet 20. Thereby, the pile 20a itself can be moved and the virus which exists in the root part of the pile 20a to which an ultraviolet-ray cannot reach directly can be disinfected.
  • the LED 16 emits ultraviolet rays having a peak wavelength in the range of 250 to 300 nm, preferably in the range of 260 to 290 nm.
  • ultraviolet rays having a short wavelength are effective for inactivating viruses, but ultraviolet rays having a short wavelength may deteriorate organic substances such as resins and fibers. Therefore, by using the LED 16 having a peak wavelength in the range of 250 to 300 nm, it is possible to inactivate the virus and suppress the carpet 20 from being deteriorated by ultraviolet rays.
  • the housing 14 sterilizes the virus separated from the carpet 20 (pile 20a) with ultraviolet light L when the wind W generated by the wind generating unit 18 strikes the carpet 20 between the opening 12 and the LED 16. Is provided. Thereby, the virus spaced apart from the carpet 20 can be sterilized efficiently.
  • the casing 14 is provided with a spare chamber 24 in a region opposite to the side where the opening 12 of the sterilization chamber 22 is located.
  • the wind generator 18 is provided in a partition wall 26 that separates the sterilization chamber 22 and the reserve chamber 24.
  • a preliminary LED 28 for irradiating the virus flowing from the sterilization chamber 22 via the wind generation unit 18 with ultraviolet rays is provided in the partition wall 30.
  • the ultraviolet light L ′ emitted from the spare LED 28 is irradiated on the partition wall portion 26 and does not reach the carpet 20. Therefore, it is possible to set the wavelength of ultraviolet rays emitted from the spare LED 28 without considering the deterioration of the carpet 20. In other words, it is possible to select a spare LED 28 that emits ultraviolet light having a wavelength shorter than the peak wavelength of the ultraviolet light L emitted from the LED 16 provided in the sterilization chamber 22 and having a high effect due to virus inactivation. In this manner, the virus can be reliably inactivated by irradiating the virus with ultraviolet rays in the preliminary chamber 24 in addition to the sterilization chamber 22.
  • the preliminary chamber 24 is configured to have a positive pressure with respect to the sterilization chamber 22. Specifically, the inside of the preliminary chamber 24 is maintained at a positive pressure with respect to the sterilization chamber 22 by a compressor (not shown). This makes it difficult for viruses to enter the sterilization chamber 22 from the sterilization chamber 22, and the virus can be efficiently sterilized in the sterilization chamber 22.
  • a reflecting member 26a made of aluminum is provided on the surface of the partition wall 26 on the sterilization chamber 22 side. Further, a reflecting member 26b made of aluminum is provided on the surface of the partition wall 26 on the side of the preliminary chamber 24.
  • a reflection member what is necessary is just a high reflectance of an ultraviolet-ray, for example, PTFE may be sufficient. Thereby, ultraviolet rays are efficiently irradiated to the virus in the space of the sterilization chamber 22 and the spare chamber 24.
  • a control unit 34 for controlling the operation of the wind generator 18 and turning on / off the LED 16 and the spare LED 28 is disposed.
  • the ultraviolet irradiation device 10 described above is provided with the spare chamber 24 in addition to the sterilization chamber 22, but may have a configuration without the spare chamber. In that case, if the wind generator 18 is arranged so as to cause convection in the sterilization chamber 22, there is no fear that air will leak out of the sterilization chamber 22.
  • the present invention has been described with reference to the above-described embodiment.
  • the present invention is not limited to the above-described embodiment, and the present invention can be appropriately combined or replaced with the configuration of the embodiment. It is included in the present invention.
  • the described embodiments can also be included in the scope of the present invention.
  • the present invention can be used for an ultraviolet irradiation device used in hospital rooms or canteen facilities such as hospitals and nursing homes.
  • UV irradiation device 10 UV irradiation device, 12 openings, 14 housing, 14a end face, 14b inner wall, 14c reflection part, 16 LED, 18 wind generation part, 20 carpet, 20a pile, 22 sterilization room, 24 spare room, 26 partition part, 26a , 26b Reflective member, 28 spare LED, 30 partition.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

Un dispositif d'irradiation par rayons ultraviolets 10 comprend : un boîtier 14 ayant une section d'ouverture 12; une unité de génération de rayons ultraviolets qui est disposée à l'intérieur du boîtier 14 et émet des rayons ultraviolets; et une unité de génération de vent 18 qui est disposée à l'intérieur du boîtier 14 et génère du vent dans le boîtier. La section d'ouverture 12 est prévue de telle sorte qu'une cible d'irradiation à irradier avec des rayons ultraviolets est disposée à l'intérieur de celle-ci. L'unité de génération de rayons ultraviolets est agencée de façon à irradier des rayons ultraviolets vers la section d'ouverture 12. L'unité de génération de vent 18 est configurée pour générer un vent frappant la cible d'irradiation.
PCT/JP2019/022393 2018-06-15 2019-06-05 Dispositif d'irradiation par rayons ultraviolets WO2019239986A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018114551A JP7023798B2 (ja) 2018-06-15 2018-06-15 紫外線照射装置
JP2018-114551 2018-06-15

Publications (1)

Publication Number Publication Date
WO2019239986A1 true WO2019239986A1 (fr) 2019-12-19

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PCT/JP2019/022393 WO2019239986A1 (fr) 2018-06-15 2019-06-05 Dispositif d'irradiation par rayons ultraviolets

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JP (1) JP7023798B2 (fr)
TW (1) TWI799600B (fr)
WO (1) WO2019239986A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021146178A (ja) * 2020-07-13 2021-09-27 ウシオ電機株式会社 不活化装置および不活化方法
JP7464508B2 (ja) 2020-11-24 2024-04-09 日機装株式会社 ロボット掃除機
TWI771862B (zh) * 2021-01-06 2022-07-21 統一企業股份有限公司 多孔性烘焙食品滅菌裝置及多孔性烘焙食品製程

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58105756A (ja) * 1981-12-18 1983-06-23 松下精工株式会社 殺菌乾燥機
JPH0461538U (fr) * 1990-10-05 1992-05-27
JPH08280779A (ja) * 1995-04-19 1996-10-29 Yoshihisa Ishikawa 床面等の殺菌方法及びその装置
JPH10276960A (ja) * 1997-04-02 1998-10-20 Hitachi Ltd 食器洗い乾燥機
JP3077655U (ja) * 2000-11-13 2001-05-29 有限会社五福屋商事 殺菌機能を備えた移動式ボックス
JP2004097467A (ja) * 2002-09-09 2004-04-02 Senryo Sushi:Kk 紫外線殺菌乾燥機

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58105756A (ja) * 1981-12-18 1983-06-23 松下精工株式会社 殺菌乾燥機
JPH0461538U (fr) * 1990-10-05 1992-05-27
JPH08280779A (ja) * 1995-04-19 1996-10-29 Yoshihisa Ishikawa 床面等の殺菌方法及びその装置
JPH10276960A (ja) * 1997-04-02 1998-10-20 Hitachi Ltd 食器洗い乾燥機
JP3077655U (ja) * 2000-11-13 2001-05-29 有限会社五福屋商事 殺菌機能を備えた移動式ボックス
JP2004097467A (ja) * 2002-09-09 2004-04-02 Senryo Sushi:Kk 紫外線殺菌乾燥機

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Publication number Publication date
JP7023798B2 (ja) 2022-02-22
TW202002805A (zh) 2020-01-16
JP2019216831A (ja) 2019-12-26
TWI799600B (zh) 2023-04-21

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