WO2016182024A1 - Dispositif de stérilisation aux ultraviolets - Google Patents

Dispositif de stérilisation aux ultraviolets Download PDF

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Publication number
WO2016182024A1
WO2016182024A1 PCT/JP2016/064173 JP2016064173W WO2016182024A1 WO 2016182024 A1 WO2016182024 A1 WO 2016182024A1 JP 2016064173 W JP2016064173 W JP 2016064173W WO 2016182024 A1 WO2016182024 A1 WO 2016182024A1
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Prior art keywords
ultraviolet
light source
light
mirror
housing
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PCT/JP2016/064173
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English (en)
Japanese (ja)
Inventor
新吾 松井
啓一郎 弘中
康孝 濱
ゆり子 堀井
山本　玲緒
Original Assignee
株式会社トクヤマ
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Application filed by 株式会社トクヤマ filed Critical 株式会社トクヤマ
Priority to CN201680026388.XA priority Critical patent/CN107614022A/zh
Publication of WO2016182024A1 publication Critical patent/WO2016182024A1/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 sterilizer that can automatically sterilize the entire object.
  • a deep ultraviolet light emitting diode (DUV-LED) is known as an ultraviolet light emitting light source having a bactericidal action, and this DUV-LED is used because its light emission output is weaker than that of an ultraviolet lamp. No portable UV sterilizer is known.
  • An ultraviolet irradiation device in which a plurality of ultraviolet light emitting diodes are arranged and modularized to emit parallel light having a high ultraviolet output (see Patent Document 3 and FIG. 3).
  • the irradiation area is limited.
  • JP 2006-175041 A JP 2005-323654 A Japanese Patent No. 5591305 JP 2007-124124 A
  • the portable sterilization apparatus described in Patent Documents 1 and 2 uses an ultraviolet lamp that emits relatively strong ultraviolet radiation such as a xenon flash lamp as an ultraviolet light source, the ultraviolet irradiation region is relatively small. There is an advantage that the surface of the object to be sterilized can be sterilized in a short time. On the other hand, there is a problem that not only the power consumption is high, the lamp may be damaged by an impact or the like, but the lifetime is also relatively short. On the other hand, although the ultraviolet light emitting diode (DUV-LED) has the advantage of low power consumption and high durability, as described above, the light emitting output is weaker than that of the ultraviolet lamp. Is not known.
  • the present invention provides an ultraviolet sterilization apparatus using a DUV-LED as an ultraviolet light source, which can be used as a portable device and can further improve the operability of sterilization of objects.
  • the task is to do.
  • the ultraviolet sterilizer of the present invention has a housing having an opening, an inner surface and an outer surface opposite to the inner surface, and the inner surface faces the inside of the housing so as to close the opening of the housing.
  • the ultraviolet light transmitting window that transmits ultraviolet light, one or more ultraviolet light emitting diodes, a light source that emits ultraviolet light as a belt-shaped light beam, and a position where ultraviolet light from the light source enters the ultraviolet light transmitting window
  • Scanning means capable of irradiating ultraviolet rays from the light source over the entire inner surface of the ultraviolet transmission window from inside the housing by irradiating ultraviolet rays from the light source while shifting in a direction crossing the width direction of the luminous flux of And sterilizing the object to be sterilized by irradiating the object to be sterilized facing the outer surface of the ultraviolet transmitting window with ultraviolet rays.
  • the “width direction” of a strip-shaped light beam means a longitudinal direction in a cross section perpendicular to the propagation direction of the strip-shaped light beam.
  • the light source emits deep ultraviolet light having a wavelength of 200 nm to 300 nm, particularly 220 nm to 280 nm.
  • the ultraviolet sterilization unit of the ultraviolet sterilization apparatus of the present invention preferably has one of the following modes (1) and (2).
  • the scanning means has a mirror disposed inside the housing and a drive device that changes the angle of the mirror, and the light source is disposed so as to emit a strip-shaped light beam toward the mirror.
  • the mirror is arranged to reflect the belt-shaped light flux toward the ultraviolet transmission window, and the drive device changes the angle of the mirror so that the position where the ultraviolet light reflected by the mirror enters the ultraviolet transmission window is strip-shaped.
  • a mode shifted in a direction intersecting with the width direction of the luminous flux hereinafter also referred to as “first ultraviolet sterilization unit”.
  • the light source is disposed in the housing so as to emit a band-shaped light beam toward the ultraviolet transmission window, and the scanning unit changes the light source so that the incident position of the band-shaped light beam on the ultraviolet transmission window changes.
  • a mode having moving means for sliding hereinafter also referred to as “second ultraviolet sterilization unit”.
  • an ultraviolet sterilization unit having a cylindrical surface, an elliptical cylindrical surface, or a parabolic column surface and sliding the light source along a curved surface curved in a concave shape when viewed from the ultraviolet transmissive window side
  • the “third ultraviolet irradiation unit” has a feature that it can irradiate ultraviolet rays not only from the lower side of the object to be sterilized but also from the diagonally lower side of the object to be sterilized.
  • a mode in which ultraviolet rays can be irradiated at two or more different incident angles with respect to an arbitrary ultraviolet irradiation region in an object to be sterilized by changing the incident angle of the ultraviolet rays with respect to the inner surface of the ultraviolet ray transmitting window. preferable.
  • the ultraviolet sterilization apparatus of the present invention includes an aspect (hereinafter also referred to as “connection type”) in which two or more ultraviolet sterilization units are provided and each sterilization unit is connected by a connecting member that can be bent.
  • connection type in which two or more ultraviolet sterilization units are provided and each sterilization unit is connected by a connecting member that can be bent.
  • Such an ultraviolet sterilization apparatus of the present invention of the present invention can irradiate ultraviolet rays simultaneously from both the upper and lower (or front and rear) directions of an object to be sterilized, for example, by arranging two ultraviolet sterilization units so as to face each other. Therefore, even when sterilizing a three-dimensional object to be sterilized, it is possible to perform more reliable sterilization by one irradiation.
  • ultraviolet rays can be irradiated from the left and right diagonally upper and left and right diagonally downward directions. It becomes possible to perform more reliable sterilization by irradiation.
  • each UV sterilization unit is provided with a port for attaching the connection member, and the connection member can be attached and detached. It can also be used with an individual ultraviolet sterilizer of the present invention (non-connected type).
  • the light source includes a rod-shaped light source that emits deep ultraviolet light, and a condensing device that condenses the deep ultraviolet light emitted from the rod-shaped light source, and the rod-shaped light source is cylindrical.
  • a rod-shaped light source having a cylindrical or polygonal column-shaped substrate and a plurality of deep ultraviolet light-emitting diodes, wherein the plurality of deep ultraviolet light-emitting diodes has an optical axis of each cylindrical or polygonal column-shaped substrate.
  • the condensing device By being arranged on the side surface of the cylindrical or polygonal column base so as to pass through the central axis, deep ultraviolet rays are emitted radially with respect to the central axis, and the condensing device has an elliptical reflecting mirror.
  • the rod-shaped light source is disposed on the focal axis of the ellipsoidal reflecting mirror, and the ellipsoidal reflecting mirror emits ultraviolet rays collected on the condensing axis of the ellipsoidal reflecting mirror.
  • a light source having a collimating optical system to improve the directivity of the focused beam is ultraviolet (hereinafter, also referred to as "condensing modular light source”.) Is preferably.
  • the ultraviolet sterilization apparatus of the present invention further includes an ultraviolet light impermeable cover for preventing leakage of ultraviolet light emitted from the light source to the outside, and between the outer surface of the ultraviolet light transmissive window and the cover. It is preferable to dispose the object to be sterilized in the space.
  • the object to be sterilized can be automatically sterilized by irradiating the entire inner surface of the ultraviolet transmitting window with the ultraviolet light irradiated from the light source by the scanning means.
  • the scanning means irradiates the ultraviolet light from the light source from the inside of the housing while shifting the position where the ultraviolet light from the light source is incident on the ultraviolet light transmitting window in a direction intersecting the width direction of the belt-shaped light flux.
  • ultraviolet rays can be irradiated at two or more different incident angles with respect to an arbitrary ultraviolet irradiation region in an object to be sterilized by changing the incident angle of ultraviolet rays with respect to the inner surface.
  • an ultraviolet sterilizer of the present invention it is possible to sterilize, for example, an item that is easily touched by everyday hands.
  • the surface to be sterilized such as the table surface, the operation surface of the mobile phone, the keyboard of the personal computer, etc. Can be sterilized automatically.
  • the connected type ultraviolet sterilizer of the present invention it is necessary to sterilize both sides such as banknotes and coins, articles such as toys for infants, a part of human body such as palms and fingertips, etc. Sterilization of an object to be sterilized having a three-dimensional shape (one that requires sterilization of the entire surface) can be performed automatically.
  • the ultraviolet light source one or more ultraviolet light-emitting diodes are used, and a light source that emits ultraviolet light as a band-like light beam is used, so that the UV-LED is spread over the entire surface corresponding to the irradiation region. There is no need to dispose, and the number of UV-LEDs to be used can be reduced, which is economical.
  • the condensing modularized light source when used, a high intensity ultraviolet band-like light beam can be obtained using relatively few UV-LEDs, so that more efficient sterilization can be achieved while downsizing the apparatus. Can be performed.
  • FIG. 1 It is a see-through
  • FIG. 1 It is sectional drawing which illustrates the accommodating part 16 typically. It is the cross-sectional view and longitudinal cross-sectional view of the rod-shaped light source 110 in the light source 100 '. It is a cross-sectional view of the light source 100 '. It is a side view of light source 100 '. It is a figure which illustrates typically the ultraviolet sterilizer 1010 which has one 2nd sterilization unit which concerns on other one Embodiment of this invention.
  • (A) It is a top view of the ultraviolet sterilizer 1010.
  • FIG. (B) It is AA sectional drawing of FIG. 6 (A).
  • FIG. (B) It is a figure which illustrates typically the light source 1100 which concerns on another form.
  • A) It is a top view of the light source 1100.
  • FIG. (B) It is CC sectional drawing of FIG. 7 (A).
  • A) It is a figure which illustrates typically the light source 1200 which concerns on another form.
  • A) It is a top view of the light source 1200.
  • FIG. (B) It is an EE arrow line view of Drawing 8 (A).
  • 1A is a plan view of an ultraviolet sterilizer 2010.
  • FIG. (B) It is GG sectional drawing of FIG. 9 (A).
  • FIG. 6 is a diagram schematically illustrating a plate-like ultraviolet opaque cover 3030.
  • FIG. 6 is a diagram schematically illustrating a curtain-type (or sheet-like) ultraviolet opaque cover 3040. It is a side view which illustrates typically the connection type ultraviolet sterilizer 4000 based on other one embodiment of the present invention.
  • FIG. 1 is a perspective view schematically illustrating the configuration of an ultraviolet sterilization apparatus 10 according to an embodiment of the present invention having one first sterilization unit.
  • the scanning unit includes a mirror 14 disposed inside the housing 11 and a driving device 15 that changes the angle of the mirror 14, and the light source 100 transmits a strip-shaped light flux to the mirror 14.
  • the mirror 14 is disposed so as to reflect the band-shaped light beam toward the ultraviolet transmission window 12, and the driving device 15 changes the angle of the mirror 14 to change the mirror 14.
  • the position where the ultraviolet light reflected by the light enters the ultraviolet transmitting window 12 is shifted in a direction intersecting the width direction of the belt-like light flux.
  • the ultraviolet sterilizer 10 has a bottom surface 11e and side walls 11a, 11b, 11c, and 11d that do not allow ultraviolet light to pass through.
  • the housing 11 that is open at the top, and ultraviolet light that transmits ultraviolet light that is provided so as to close the opening.
  • a transmission window 12 The ultraviolet transmissive window 12 has an inner surface and an outer surface opposite to the inner surface, and is disposed with the inner surface facing the housing 11.
  • the side wall 11a of the housing 11 is provided with an ultraviolet light emission window 13 and a storage portion 16 for housing the light source 100 that emits ultraviolet light.
  • the housing 11 contains ultraviolet light emitted from the light source 100 in the ultraviolet light.
  • a mirror 14 that reflects toward the transmission window 12 and a driving device 15 that changes the angle of the mirror 14 are provided.
  • the storage unit 16 is provided with a switch 17. When the switch 17 is operated, the light source 100 emits light and the driving device 15 changes the angle of the mirror 14.
  • the one-dot chain line arrow represents the traveling direction of ultraviolet
  • the ultraviolet irradiation device 10 sterilizes an object as follows.
  • An object to be sterilized object to be sterilized (object to be sterilized) is placed on the upper surface of the ultraviolet ray transmitting window 12 of the ultraviolet irradiation device 10, and the switch 17 is turned on.
  • the switch 17 When the switch 17 is turned on, the light source 100 emits light and the driving device 15 changes the angle of the mirror 14.
  • Ultraviolet light emitted from the light source 100 passes through the ultraviolet light emission window 13 and is reflected by the mirror 14, and the ultraviolet light reflected by the mirror 14 passes through the ultraviolet light transmission window 12 and irradiates the object to be sterilized.
  • the position where the ultraviolet light reflected by the mirror 14 is incident on the ultraviolet transmission window 12 is scanned (varied), and the ultraviolet transmission window 12 is placed on the ultraviolet transmission window 12.
  • Ultraviolet rays are irradiated to the entire disposed object to be sterilized.
  • a power source for the light source 100 and the driving device 15 an external power source can be used, or a battery can be used. In the case of a portable ultraviolet irradiation device, it is preferable to use a battery.
  • the material constituting the housing 11 is not particularly limited as long as it does not transmit ultraviolet rays, and for example, metal or resin can be adopted. However, it is preferable that the inner surface of the housing 11, more specifically, the surface of the portion that can be seen when viewed from the outside of the ultraviolet transmissive window 12, is made of an ultraviolet reflecting material.
  • the ultraviolet reflecting material that can be suitably used in the present invention include chromium (ultraviolet reflectance: about 50%), platinum (ultraviolet reflectance: about 50%), rhodium (ultraviolet reflectance: about 65%), barium sulfate.
  • rhodium, platinum, or aluminum as the ultraviolet reflecting material because the surface can be made highly reflective by surface treatment such as plating or vapor deposition.
  • ultraviolet rays such as quartz, sapphire, and polytetrafluoroethylene film are used from the viewpoint of preventing the reflectance from being lowered due to oxidation or scratching of the surface. It is preferable to coat the surface of the ultraviolet reflective material with a transparent material.
  • the ultraviolet transmissive window 12 has an inner side surface and an outer side surface opposite to the inner side surface.
  • the ultraviolet transmissive window 12 is provided on the upper portion of the housing 11 so that the inner surface faces the inside of the housing 11.
  • the reflected ultraviolet rays are transmitted toward the object to be sterilized placed on the ultraviolet transmission window 12.
  • sapphire, quartz, or the like can be preferably used as the material constituting the ultraviolet transmissive window 12.
  • the ultraviolet transmissive window 12 can be suitably configured by a molded body or a flexible sheet (or film) made of an ultraviolet transmissive resin.
  • UV transparent resin examples include polytetrafluoroethylene, polyethylene, polypropylene, methacrylic resin, epoxy resin, alicyclic polyimide resin, polyamide resin, polyvinyl chloride, polyvinyl alcohol resin, etc. Preferred examples include those which do not contain additives such as ultraviolet absorbers and plasticizers.
  • the UV transmitting window is made of UV transmitting resin, the resin may deteriorate due to UV irradiation. From the viewpoint of facilitating replacement of the UV transmitting window, the UV transmitting window can be attached to and detached from the housing. Preferably it is attached. Further, the ultraviolet ray transmitting window does not necessarily have a flat surface (outer surface), and may be a curved surface, and has a depression or the like in the vicinity of the center for the purpose of easily holding the object to be sterilized. May be.
  • the ultraviolet emission window 13 is provided on one side surface 11 a of the housing 11.
  • a part of the side surface 11 a is an ultraviolet emission window, but the present invention is not limited to this, and the ultraviolet emission window may be provided on the entire side surface 11 a.
  • the ultraviolet emission window 13 can be constituted by, for example, a through hole provided in the side wall 11a, and a window made of a material that can be used as the ultraviolet transmission window may be installed in the through hole.
  • the mirror 14 is provided inside the housing 11, and reflects the ultraviolet light that has entered the housing 11 from the ultraviolet emission window 13 toward the ultraviolet transmission window 12.
  • the reflecting surface of the mirror 14 is preferably made of an ultraviolet reflecting material having a reflectance of 40% or more, preferably 60% or more, and most preferably 70% or more with respect to ultraviolet rays, particularly 265 nm ultraviolet rays.
  • the ultraviolet reflecting material that can be suitably used in the present invention include chromium (ultraviolet reflectance: about 50%), platinum (ultraviolet reflectance: about 50%), rhodium (ultraviolet reflectance: about 65%), barium sulfate.
  • rhodium, platinum, or aluminum as the ultraviolet reflecting material because the surface can be made highly reflective by surface treatment such as plating or vapor deposition.
  • ultraviolet rays such as quartz, sapphire, and polytetrafluoroethylene film are used from the viewpoint of preventing the reflectance from being lowered due to oxidation or scratching of the surface. It is preferable to coat the surface of the ultraviolet reflective material with a transparent material.
  • the drive device 15 is configured to change the angle of the mirror 14 by turning on the switch 17.
  • the angle range of the mirror 14 that is changed by the driving device 15 is as long as the entire surface of the ultraviolet transmission window 12 can be scanned by the reflected light that is reflected by the mirror 14 from the light source 100. There is no particular limitation as long as the incident position of the reflected light from the mirror 14 on the ultraviolet transmission window 12 can be changed over the entire surface of the ultraviolet transmission window 12. Since the ultraviolet sterilizer 10 of the present invention includes the driving device 15, the irradiation position of the ultraviolet rays reflected by the mirror 14 can be adjusted, and the entire sterilized body can be automatically irradiated with ultraviolet rays. The sterilization operability can be improved.
  • the storage unit 16 is a member that stores the light source 100 and includes a switch 17.
  • the storage unit 16 is attached to the outside of one side surface 11 a of the housing 11, but the position where the storage unit 16 is provided is not limited to this position. It may be provided inside the body 11.
  • the ultraviolet emission window 13 is preferably provided on the surface of the storage unit 16 at a position where the ultraviolet light emitted from the light source 100 can go to the mirror 14.
  • the light source 100 has one or more ultraviolet light emitting diodes, and emits ultraviolet rays as a band-shaped light flux.
  • the length in the width direction of the band-shaped light beam emitted from the light source 100 is equal to the length of the width of the opening provided in the housing in the same direction as the width direction of the band-shaped light beam.
  • the light source 100 emits ultraviolet rays as a belt-like light beam by arranging one or more ultraviolet light emitting diodes 101, 101,... In a single row (or several rows) vertically on a plane. It is like that.
  • the upper limit of the ratio varies depending on the size of the device, but is determined by the number of ultraviolet light-emitting diodes that can be arranged in the width of the opening of the casing described later.
  • the length in the width direction of the band-shaped light beam emitted from the light source 100 is equal to the width of the opening (or the ultraviolet transmissive window 12) of the housing in the same direction as the width direction of the band-shaped light beam. It is preferably 95 to 105%, particularly 98 to 102%.
  • the width in the same direction as the width direction of the band-shaped light flux of the opening (or the ultraviolet transmissive window 12) means the maximum width in the direction parallel to the longitudinal direction of the cross section perpendicular to the propagation direction of the band-shaped light flux. .
  • the short side (or long side) is the width of the opening.
  • the shape of the opening is a circle or an ellipse
  • the light source is arranged in parallel to the diameter of the circle or the major axis (or minor axis) of the ellipse
  • the diameter of the circle or the major axis (or minor axis) of the ellipse Is the width of the opening.
  • the ultraviolet light emitting diodes when the switch 17 is turned on, the ultraviolet light emitting diodes emit light all at once, and an ultraviolet band-shaped light flux is emitted from the ultraviolet emission window 12 toward the mirror 14.
  • the ultraviolet rays emitted toward the mirror 14 are reflected by the reflecting surface of the mirror 14, pass through the ultraviolet transmission window 12, and are irradiated on the sterilized object.
  • a deep ultraviolet light emitting diode deep ultraviolet LED
  • ultraviolet light deep ultraviolet light having a wavelength of 200 to 300 nm, particularly 220 nm to 280 nm can be preferably used.
  • FIG. 2 is a cross-sectional view schematically illustrating the storage portion 16.
  • the light source 100 preferably includes a plurality of ultraviolet light emitting diodes 101, 101,.
  • the substrate 102 is preferably composed mainly of a metal having high thermal conductivity such as copper or aluminum, ceramics, or the like.
  • the ultraviolet light emitting diode 101 is preferably packaged or modularized, and is housed in a structure that emits light with enhanced directivity such as parallel light, for example, a package having a collimating lens. It is preferable.
  • light may be emitted radially with a certain emission angle in the longitudinal direction of the cross section of the strip-shaped light flux.
  • the ultraviolet light emitted from the ultraviolet light emitting diode 101 goes straight in the direction of the optical axis 19 of the ultraviolet light emitting diode 101. Therefore, since the ultraviolet light emitting diode mounting surface of the substrate 102 is directed to the reflection surface of the mirror 14, high-intensity ultraviolet light can be incident on the reflection surface of the mirror 14, so that the entire object to be sterilized can be irradiated with high-intensity ultraviolet light. . Since the time required for sterilization can be shortened by emitting ultraviolet rays with enhanced directivity of emitted light, sterilization can be performed efficiently.
  • a light source 100 ′ (condensing modular light source) described below with reference to FIGS. 3 to 5 may be employed.
  • the light source 100 ′ has a rod-shaped light source that emits deep ultraviolet rays and a condensing device that collects the deep ultraviolet rays emitted from the light source.
  • the rod-like light source includes a cylindrical or polygonal column base 111, a plurality of light sources. Are a plurality of deep ultraviolet light-emitting diodes 112, 112,..., And the optical axis 115 of each deep ultraviolet light-emitting diode 112 is the central axis of the substrate 111.
  • the deep ultraviolet light irradiation means is configured to emit deep ultraviolet rays radially with respect to the central axis 114.
  • Such an ultraviolet light irradiation apparatus is described in Japanese Patent No. 5591305 (Patent Document 3), the contents of which are incorporated herein by reference.
  • FIG. 3 shows a cross-sectional view and a vertical cross-sectional view (when cut along the XX ′ plane) of the rod-shaped light source (rod-shaped ultraviolet light emitting module) 110.
  • a plurality of deep ultraviolet light emitting diodes 112, 112,... are aligned on the surface of the cylindrical substrate 111.
  • the cooling medium channel 113 is formed inside the cylindrical base body.
  • the cylindrical substrate 111 on which the deep ultraviolet LED 112 is mounted is covered with a cover 116 formed of an ultraviolet light transmissive material such as quartz.
  • the cover 116 is airtightly or watertightly attached to the cylindrical substrate 111 using a sealant 117 such as a sealant, packing, O-ring, and the like, and an inert gas is provided in the cover 116 to enhance the durability of the deep ultraviolet LED 112. Or dry air is enclosed.
  • a sealant 117 such as a sealant, packing, O-ring, and the like
  • the deep ultraviolet LEDs 112, 112,... are arranged with the elements mounted on the submount or housed in a package, and emit ultraviolet rays in a certain direction.
  • the submount or package is provided with wiring for supplying power to the deep ultraviolet LED 112 from the outside of the module, a circuit for normally operating the deep ultraviolet LED 112, and the like. Electric power is supplied to the circuit via wiring formed on the surface of or inside the cylindrical substrate 111.
  • the cylindrical substrate 111 functions not only as a support for fixing and holding the deep ultraviolet LED 112 but also as a heat sink.
  • a cooling medium 118 such as cooling water or cooling air
  • temperature rise due to heat generated by the deep ultraviolet LED 112 is prevented, helping to stabilize the operation of the element and extending the element life. It can be extended.
  • the cylindrical substrate 111 is preferably mainly composed of a metal having high thermal conductivity such as copper or aluminum, ceramics, or the like. In order to increase the heat exchange area, it is preferable to groove the inner wall surface of the cooling medium flow passage 113. Further, when the cylindrical substrate 111 is made of a metal material, in order to insulate the copper wire or the circuit for supplying power to the deep ultraviolet LED 112 from a battery or an external power source disposed inside or outside the housing. It is preferable that an insulating layer is formed.
  • a plurality of deep ultraviolet LEDs 112, 112,... are arranged on the side surface of the cylindrical substrate 111 along the circumferential direction so that the optical axis 115 of each deep ultraviolet LED 112 passes through the central axis 114 of the substrate 111. Yes.
  • deep ultraviolet light emitted from the deep ultraviolet LED 112 is emitted radially with respect to the central axis 114.
  • the optical axis 115 of the deep ultraviolet LED 112 means the central axis of the light beam emitted from the deep ultraviolet LED 112, and is almost synonymous with the traveling direction of the light beam.
  • arranging so that the optical axis 115 passes through the central axis 114 of the substrate 111 means that the optical axis 115 is arranged to realize such a state as much as possible, and is slightly inclined from the state. There is no problem.
  • FIG. 3 shows an example in which four deep ultraviolet LEDs are arranged in the circumferential direction of the base 111, but the present invention is not limited to this form, and the number of deep ultraviolet LEDs 112 arranged is outside the cylindrical base 111. It can be appropriately changed according to the diameter.
  • the number of deep ultraviolet LEDs 112 arranged in the circumferential direction is usually in the range of 3 to 20, preferably 4 to 12. However, the larger the number of deep ultraviolet LEDs 112 arranged in the circumferential direction, the more emitted from the light source 100 ′. Since the intensity of deep ultraviolet light (photon flux density) is high, when higher intensity deep ultraviolet light is required, the diameter of the cylindrical substrate 111 is increased, and the number of ultraviolet light emitting elements arranged in the circumferential direction is It can be increased beyond the above range.
  • the deep ultraviolet LEDs 112, 112,... are preferably arranged so as to form a row in the longitudinal direction of the cylindrical substrate 111 as shown in the longitudinal sectional view of FIG. At this time, it is preferable that the deep ultraviolet LEDs 112, 112,... Are arranged so as to be densely and regularly arranged on the side surface of the cylindrical substrate 111 so that the intensity in the deep ultraviolet light irradiation region is uniform.
  • the light source 100 ′ includes an output side casing 125 whose inner surface is an output side reflection mirror 120 made of an ellipsoidal reflection mirror, and a condensing side reflection mirror 123 whose inner surface is made of an ellipse reflection mirror, and deep UV. It has a main body 150 including a condensing side housing 126 in which a light emitting opening 130 is formed and a collimating optical system 140 disposed in the deep ultraviolet light emitting opening 130.
  • a rod-shaped light source 110 is arranged.
  • the emission side casing 125 and the condensing side casing casing 126 are detachable from each other or can be opened and closed using a hinge or the like. Further, covers (not shown) for preventing ultraviolet rays from leaking to the outside are provided at openings at both ends of the main body 150 in the vertical direction of the drawing in FIG.
  • the exit-side reflecting mirror 120 and the condensing side reflecting mirror 123 are substantially elliptical reflecting mirrors having substantially the same shape.
  • the shape of the internal space formed by coupling with the side housing 126 is an elliptical cross-section with two axes of the focal axis 121 of the exit-side reflecting mirror and the condensing axis 122 of the exit-side reflecting mirror, respectively.
  • the surfaces of the exit-side reflecting mirror 120 and the condensing-side reflecting mirror 123 are made of a material having a high reflectivity with respect to deep ultraviolet light, for example, a platinum group metal such as Ru, Rh, Pd, Os, Ir, and Pt, Al, Ag, Ti, It is preferably composed of an alloy containing at least one of these metals or magnesium oxide, and is formed of Al, a platinum group metal or an alloy containing a platinum group metal, or magnesium oxide because of its particularly high reflectance. It is particularly preferable.
  • the condensing-side reflecting mirror 123 and the condensing-side casing 126 are provided with a deep ultraviolet light emission opening 130 in a slit shape, and the collected ultraviolet light is parallel or substantially parallel to the opening 130.
  • a collimating optical system 140 for converting to is arranged.
  • the collimating optical system 140 is preferably made of a material having high ultraviolet transparency such as synthetic or natural quartz, sapphire, or ultraviolet transmissive resin.
  • the collimating optical system 140 is preferably detachably attached to the deep ultraviolet ray emitting opening 130.
  • the rod-shaped light source 110 is arranged so that the central axis 114 thereof coincides with the focal axis 121 of the exit side reflection mirror. Since the rod-shaped light source 110 is disposed at such a position, the deep ultraviolet light emitted radially from the rod-shaped light source 110 is reflected by the emitting-side reflecting mirror 120 and the collecting-side reflecting mirror 123, and the collecting-side reflecting mirror. The condensed deep ultraviolet light is converged so as to converge on the focal axis 124 (that is, the condensing axis 122 of the exit side reflection mirror), and the condensed deep ultraviolet light is emitted from the ultraviolet emission window 13 toward the mirror 14.
  • the light source 100 ′ can condense all of the deep ultraviolet light emitted radially from the rod-shaped light source 110 onto the focal axis 124 of the condensing side reflection mirror 123, and emits deep ultraviolet light.
  • Ultraviolet rays emitted in a direction not directed toward the opening 130 can also be used effectively. That is, in the rod-shaped light source 110, it is not necessary to arrange all the deep ultraviolet LEDs 112, 112,... On the same plane so that the optical axis 115 is directed toward the deep ultraviolet light emitting opening 130, in the lateral direction or in the opposite direction. It is also possible to arrange them facing.
  • the number of ultraviolet light emitting elements arranged per unit space can be greatly increased, and the light source 100 'can emit ultraviolet light having a stronger intensity. Further, it is not necessary to use a large-diameter field lens in the light source 100 '. Further, in the light source 100 ′, the irradiation area is not a narrow spot shape, but can irradiate the rectangular area having a long side with a uniform intensity of ultraviolet light, so that the surface of the object to be sterilized can be uniformly sterilized with deep ultraviolet light. Is possible. Furthermore, since the deep ultraviolet light can be emitted as a collimated parallel light beam, the intensity of the deep ultraviolet light is not easily lowered even when the optical path length from the light source 100 ′ to the surface of the sterilized body is long. .
  • a structure in which a cylinder is vertically divided and has a mirror 14 having a shape whose cross section becomes a reflecting surface, and a drive device swings the mirror (changes the angle of the mirror 14).
  • the present invention is not limited to this form.
  • Means for shifting the position at which the ultraviolet light reflected by the mirror enters the ultraviolet transmission window in a direction intersecting the width direction of the belt-like light beam is not limited to the above structure.
  • a driving device for example, an electric motor
  • an ultraviolet ray having a structure in which a plate-like mirror whose both surfaces are reflecting surfaces is rotated by a driving device, and at the same time, the mirror is moved so that the rotation axis of the mirror slides in a direction intersecting the width direction of the belt-like light flux. It is good also as a sterilizer.
  • the scanning means shifts the incident position of the ultraviolet light from the light source to the ultraviolet transmission window in a direction intersecting the width direction of the belt-shaped light flux.
  • the incident angle of the ultraviolet rays with respect to the inner surface of the ultraviolet transmissive window is changed, and the ultraviolet rays can be irradiated at two or more different incident angles in an arbitrary ultraviolet irradiation region in the sterilized body. It becomes possible. And when it is set as such an aspect, since the surface of a to-be-sterilized body can be scanned, irradiating an ultraviolet-ray at various angles from the downward direction (ultraviolet transmission window side) of a to-be-sterilized body, it has an unevenness
  • the light source is arranged so that the belt-shaped light beam always hits the mirror regardless of the position of the plate-shaped mirror, or the light source is always set so that the belt-shaped light beam hits the mirror regardless of the position of the plate-shaped mirror. It is preferable to change the angle at which the band-shaped light beam is emitted in synchronization with the slide movement of the mirror.
  • the ultraviolet sterilization apparatus 10 having the box-shaped housing 11 is exemplified, but the present invention is not limited to this form.
  • the shape of the housing is not particularly limited, and may be, for example, a box shape, or may be, for example, a cylindrical shape.
  • Patent Document 4 Japanese Patent Application Laid-Open No. 2007-124124 (Patent Document 4), an internal frame made of a flexible material in which an internal frame made of a shape memory alloy is inserted, and the memory shape is restored. You may have the housing
  • the casing is a casing that has a casing that matches the opening of the casing.
  • a mirror or an ultraviolet ray transmitting window may be provided inside the box.
  • the ultraviolet irradiation device 10 having an ultraviolet opaque cover for preventing leakage of ultraviolet rays emitted from the light source to the outside has been exemplified.
  • the present invention is not limited to the embodiment. .
  • it further includes an ultraviolet light impermeable cover (hereinafter, simply referred to as “cover”) for preventing leakage of ultraviolet light emitted from the light source to the outside, and the outer surface of the ultraviolet light transmissive window and the ultraviolet light.
  • cover an ultraviolet light impermeable cover
  • a sterilized body is disposed in a space surrounded by an impermeable cover or a space between the outer surface of the ultraviolet transmissive window and the ultraviolet impermeable cover.
  • the ultraviolet-opaque cover preferably has flexibility and / or visible light transmission, and particularly preferably has flexibility and visible light transmission.
  • the form of the cover is not particularly limited, and (1) a cover having an openable / closable hood structure, (2) a sheet-like or dome-like cover, and (3) a cushioning or high surrounding that surrounds the opening of the housing.
  • a cover having a structure having a peripheral wall portion that can be expanded and contracted in the vertical direction and a sheet-like or dome-like canopy covering the upper opening can be employed.
  • the peripheral wall portion may have a bellows structure.
  • covers can be opened and closed by fixing a part of them to the housing, or by providing an opening / closing port for the sterilized body that can be opened and closed on the cover itself, and the outer surface of the UV transparent window and UV opaqueness.
  • the object to be sterilized can be easily arranged in a space surrounded by the cover or a space between the outer surface of the ultraviolet ray transmissive window and the cover.
  • a fixing frame is provided at the end of the cover and the frame is fixed to the casing (for example, by screwing).
  • FIG. 6 is a diagram schematically illustrating an ultraviolet sterilizer 1010 according to another embodiment of the present invention.
  • 6A is a plan view of the ultraviolet sterilizer 1010
  • FIG. 6B is a cross-sectional view taken along the line AA of FIG. 6A.
  • the ultraviolet sterilizer 1010 is an ultraviolet sterilizer having one second sterilizing unit.
  • the ultraviolet sterilizer 1010 includes a housing 10 having an opening, an outer surface 12b opposite to the inner surface 12a and the inner surface 12a, and the inner surface 12a is sealed so as to close the opening of the housing 10. 10 crosses the width direction of the band-shaped light flux, and the light source 100 that emits ultraviolet light as a band-shaped light beam, and the position where the ultraviolet light from the light source 100 enters the ultraviolet light-transmissive window 12.
  • the ultraviolet sterilizer 1010 may further include the ultraviolet opaque cover described above.
  • the light source 100 is disposed in the housing 10 so as to emit a band-shaped light beam toward the ultraviolet transmission window 12, and the scanning unit includes a moving unit 1015 that slides the light source 100.
  • the moving unit 1015 includes an electric motor 1015a and a set of guide rails 1015b and 1015b (hereinafter, sometimes simply referred to as “guide rails 1015b”).
  • the light source 100 is held by a guide rail 1015b and is driven by an electric motor 1015a to reciprocate (slide) on the guide rail 1015b in the direction of arrow B in FIG.
  • a known rotational motion-linear motion such as a rack and pinion mechanism, a crank mechanism, a cam mechanism, or a belt mechanism is used.
  • the conversion mechanism can be employed without any particular limitation.
  • FIG. 7 is a diagram schematically illustrating a light source 1100 according to another embodiment.
  • 7A is a plan view of the light source 1100
  • FIG. 7B is a cross-sectional view taken along the line CC of FIG. 7A.
  • the light source 1100 includes a substrate 102, ultraviolet light emitting diodes 101, 101,... Arranged on the substrate 102, a light guide 1111 that diffuses light emitted from the ultraviolet light emitting diodes 101, 101,.
  • a mirror 1114 disposed at a position where ultraviolet light emitted from 1111 is incident, a substrate 102, ultraviolet light emitting diodes 101, 101,...,
  • a light guide 1111 and a mirror 1114 are accommodated and held in a predetermined positional relationship.
  • the tray 1110 is attached to a guide rail 1015b (see FIG. 6), and is driven by an electric motor 1015a to slide along the guide rail 1015b.
  • the band-shaped luminous flux emitted from the ultraviolet light emitting diodes 101, 101,... Is diffused by the light guide 1111 and then reflected by the mirror 1114 as indicated by the arrow group D in FIG.
  • the light enters the ultraviolet transmissive window 12 while spreading in the vertical direction.
  • a band-shaped light beam is incident on the ultraviolet ray transmitting window 12 while spreading in the thickness direction, so that the light source 1100 slides along the guide rail 1015b, thereby Ultraviolet rays are irradiated from two or more different angles for any irradiated part of the body.
  • "compact apparatus that irradiates ultraviolet rays at two or more different incident angles with respect to an arbitrary ultraviolet irradiation region in the object to be sterilized by changing the incident angle of ultraviolet rays with respect to the inner surface of the ultraviolet transmitting window It can be realized with a configuration.
  • FIG. 8 is a diagram schematically illustrating a light source 1200 according to another embodiment.
  • 8A is a plan view of the light source 1200
  • FIG. 8B is a view taken along the line EE in FIG. 8A.
  • the light source 1200 is disposed at a position where the tray 1210, the substrate 102, the ultraviolet light emitting diodes 101, 101,... Arranged on the substrate 102, and the ultraviolet light emitted from the ultraviolet light emitting diodes 101, 101,.
  • a plate-like mirror 1214 having reflecting surfaces on both sides, shafts 1215a and 1215b provided at both ends of the mirror 1214, a driven pulley 1216 that passes through the shaft 1215a and is fixed to the shaft 1215a, and an electric motor 1217 And a driving pulley 1218 rotated by the electric motor 1217 and a belt 1219 wound around the driving pulley 1218 and the driven pulley 1216 and transmitting the rotation of the driving pulley 1218 to the driven pulley 1216.
  • the shafts 1215a and 1215b are rotatably held by bearings (not shown) provided on the side wall of the tray 1210.
  • the tray 1210 accommodates the above members and holds them in a predetermined positional relationship.
  • the rotational force of the electric motor 1217 is transmitted to the shaft 1215a provided at the end of the mirror 1214 via the driving pulley 1218, the belt 1219, and the driven pulley 1216, and the mirror 1214 is directed in the direction of arrow F in FIG. Rotate.
  • the band-shaped light flux emitted from the ultraviolet light emitting diodes 101, 101,... Is reflected by a plate-like mirror 1214 having a reflection surface on both sides and enters the ultraviolet transmission window 12.
  • the angle of the mirror 1214 is constantly changing. Therefore, the angle at which the strip-shaped light beam reflected by the mirror 1214 is incident on the ultraviolet transmission window 12 is always constant. Change.
  • the tray 1210 is attached to the guide rail 1015b (see FIG. 6), and is driven by the electric motor 1015a to slide along the guide rail 1015b.
  • the ultraviolet light from the light source 1210 is shifted while shifting the position where the ultraviolet light from the light source 1210 enters the ultraviolet transmission window 12 in the direction intersecting the width direction of the belt-like light flux.
  • the ultraviolet rays are irradiated at two or more different incident angles with respect to an arbitrary ultraviolet irradiation region in the sterilized body. It becomes possible to do.
  • FIG. 9 is a diagram schematically illustrating an ultraviolet sterilizer 2010 according to another embodiment.
  • 9A is a plan view of the ultraviolet sterilizer 2010, and
  • FIG. 9B is a cross-sectional view taken along the line GG of FIG. 9A. Note that FIG. 9B shows a plurality of postures that the light source 100 can take, but this does not mean that the ultraviolet sterilizer 2010 has a plurality of light sources 100.
  • the ultraviolet sterilizer 2010 is an ultraviolet sterilizer having a third sterilizing unit.
  • the light source 100 is formed along a curved surface that is a cylindrical surface, an elliptical cylindrical surface, or a parabolic cylindrical surface curved in a concave shape when viewed from the sterilized body side (the ultraviolet transmission window 2012 side). Slide and move in the direction of arrow H in A).
  • the ultraviolet sterilizer 2010 has a pair of curved guide rails 2015b and 2015b (hereinafter sometimes simply referred to as “guide rail 2015b”) instead of the pair of linear guide rails 1015b and 1015b, and It differs from the ultraviolet sterilizer 1010 in that it has a curved plate-like ultraviolet transmitting window 2012 that is curved so as to protrude toward the inside of the housing 10 instead of the flat ultraviolet transmitting window 12.
  • the pair of curved guide rails 2015b and 2015b define a curved surface that is formed of a cylindrical surface, an elliptical cylindrical surface, or a parabolic cylindrical surface and is curved in a concave shape when viewed from the sterilized body side (the ultraviolet window 2012 side).
  • FIG. 10 is a side view schematically illustrating an ultraviolet sterilizer 3000 according to another embodiment. 10, the same elements as those already shown in FIGS. 1 to 9 are denoted by the same reference numerals as those in FIGS. 1 to 9, and the description thereof is omitted.
  • the ultraviolet sterilization device 3000 is a connected type ultraviolet sterilization device in which two first ultraviolet sterilization units 10 are connected.
  • the ultraviolet sterilizer 3000 includes a set of ultraviolet sterilization units 10 and 10 and a connecting member 3020 that connects the set of ultraviolet sterilization units 10 and 10 to each other.
  • the connecting member 3020 includes connecting rods 3021a, 3021b, and 3021c, and hinges 3022a, 3022b, 3022c, and 3022d.
  • the hinges 3022a to 3022d are hinges that can adjust the angle formed by the two connected objects and can maintain the adjusted angle.
  • One end of the connecting rod 3021a is detachably connected to a port (not shown) made of a through hole provided in one ultraviolet sterilization unit 10 via a hinge 3022a.
  • the other end of the connecting rod 3021a is connected to one end of the connecting rod 3021b via a hinge 3022b.
  • the other end of the connecting rod 3021b is connected to one end of the connecting rod 3021c via a hinge 3022c.
  • the other end of the connecting rod 3021c is detachably fixed to a port (not shown) made of a through hole provided in the other ultraviolet sterilization unit 10 via a hinge 3022d.
  • the set of ultraviolet sterilization units 10 and 10 are connected to each other by a connecting member 3020, so that the outer surfaces 12b and 12b of the ultraviolet transmissive windows 12 and 12 face each other with a predetermined distance therebetween. It is possible to maintain the positional relationship.
  • the sterilized body 1 is placed on the outer surface 12b of the ultraviolet transmissive window 12 of one ultraviolet sterilization unit 10, and the outer surfaces 12b of the ultraviolet transmissive windows 12, 12 are placed.
  • the angle of the hinges 3022a to 3022d of the connecting member 3020 is adjusted so that 12b faces a predetermined distance, ultraviolet rays are irradiated from both of the pair of ultraviolet sterilization units 10 and 10, thereby It is possible to perform sterilization by simultaneously irradiating ultraviolet rays from both the upper and lower sides. Therefore, according to the ultraviolet sterilizer 3000, it is possible to quickly sterilize the entire object 1 by ultraviolet irradiation.
  • the ultraviolet sterilizer 3000 in which the connecting member 3020 is detachably fixed to the ports provided in the sterilization units 10 and 10 has been exemplified, but the present invention is not limited to this form. It is also possible to make the ultraviolet sterilizer in a form fixed to each sterilization unit in such a manner that the connecting member cannot be attached and detached.
  • the ultraviolet sterilizer 3000 having no ultraviolet opaque cover is exemplified, but the present invention is not limited to this configuration. It is also possible to provide a connected type ultraviolet sterilizer that further includes an ultraviolet opaque cover for preventing leakage of ultraviolet rays emitted from the light source to the outside.
  • a plate-shaped ultraviolet opaque cover 3030 (hereinafter simply referred to as “plate-shaped cover 3030” is provided on the side surface of one or both of the ultraviolet sterilization units 10. Can also be provided.).
  • the same elements as those already shown in FIGS. 1 to 10 are denoted by the same reference numerals as those in FIGS.
  • the plate-like cover 3030 is provided so that its position can be adjusted along the side surface of the housing of the ultraviolet sterilization unit 10, and is accommodated in the side of the housing when ultraviolet irradiation is not performed. It is preferable that it is possible.
  • a method of attaching such a plate-like cover 3030 for example, a mode in which the plate-like cover 3030 is attached to a rail provided on the side surface of the housing of the ultraviolet sterilization unit 10 can be cited. Further, for example, as shown in FIG.
  • one (disposed on the upper side) of the ultraviolet sterilization unit 10 (arranged on the upper side) of the pair of ultraviolet sterilization units 10 and 10 is disposed on the other (lower side). It is also possible to provide a curtain-type (or sheet-like) ultraviolet-opaque cover 3040 (hereinafter sometimes simply referred to as “curtain-type cover 3040”) that hangs down toward the side of the housing of the ultraviolet sterilization unit 10. 12, the same elements as those already shown in FIGS. 1 to 11 are denoted by the same reference numerals as those in FIGS. 1 to 11, and the description thereof is omitted. In FIG. 12, the connecting member 3020 is omitted.
  • curtain-type cover 3040 is fixed to the housing side of one of the UV sterilization units 10 and 10 and the other end of the curtain-type cover 3040 is fixed.
  • the curtain cover 3040 is preferably capable of being wound and housed on the side of the housing of the ultraviolet sterilization unit to which one end of the curtain cover 3040 is fixed when ultraviolet irradiation is not performed.
  • a known winding mechanism used for a roll curtain or the like can be employed without any particular limitation.
  • connection type ultraviolet sterilization apparatus 3000 in which two first ultraviolet sterilization units 10 are connected has been illustrated, but the present invention is not limited to this form.
  • a connected type ultraviolet sterilization apparatus in which two or more of the second ultraviolet sterilization unit 1010 and the third ultraviolet sterilization unit 2010 described above are connected may be used.
  • the connection type UV sterilizer 3000 having the connection member 3020 having the connection rods 3021a to 3021c and the hinges 3022a to 3022d has been exemplified, but the present invention is not limited to this form.
  • a connection type ultraviolet sterilization apparatus in which a set of ultraviolet sterilization units are connected by an elastic body may be used.
  • FIG. 13 is a side view schematically illustrating an ultraviolet sterilizer 4000 according to another embodiment.
  • the ultraviolet sterilizer 4000 is a connected type sterilizer in which two third ultraviolet sterilizer units 2010 described above are connected.
  • the ultraviolet sterilizer 4000 includes a set of ultraviolet sterilization units 2010 and 2010 and a connecting member 4020 that connects the set of ultraviolet sterilization units 2010 and 2010 to each other.
  • the connecting member 4020 has an elastic body and a stopper, and the bending of the elastic body can be fixed to a predetermined degree.
  • One end of the elastic body of the connecting member 4020 is fixed to the casing of one ultraviolet sterilization unit 2010, and the other end of the elastic body of the connecting member 4020 is fixed to the casing of the other ultraviolet sterilization unit 2010.
  • the pair of UV sterilization units 2010 and 2010 are connected to each other by a connecting member 4020, thereby maintaining the positional relationship in which the outer surfaces 2012b and 2012b of the UV transmitting windows 2012 and 2012 face each other at a predetermined distance. It is possible.
  • the sterilized body 1 is placed on the outer surface 2012b of the ultraviolet transmissive window 2012 of one ultraviolet sterilization unit 2010, and the outer surfaces 2012b of the ultraviolet transmissive windows 2012 and 2012 are disposed.
  • ultraviolet rays are irradiated from both of the pair of ultraviolet sterilization units 2010 and 2010, thereby It is possible to sterilize by simultaneously irradiating ultraviolet rays from both the upper and lower sides of the body 1. Therefore, even with such an ultraviolet sterilizer 4000, it is possible to quickly sterilize the entire object 1 by ultraviolet irradiation.
  • UV sterilizer (first UV sterilization unit) 1010 UV sterilizer (second UV sterilization unit) 2010 UV sterilizer (third UV sterilization unit) 3000, 4000 Ultraviolet sterilizer 11 Housing 11a One side wall 12, 2012 Ultraviolet transmission window 12a, 2012a Inner side surface 12b, 2012b (outside ultraviolet transmission window) Outer side surface 13 Ultraviolet emission window 14, 1114, 1214 Mirror 15 Drive device 16 Storage unit 17 Switch 19 Optical axis 100, 100 ′, 1100, 1200 Light source 101 Ultraviolet light emitting diode 102 Substrate 110 Rod-shaped light source 111 (Cylindrical or polygonal columnar) base 112 Deep ultraviolet light emitting diode 120 Emission side reflection mirror 121 Focal axis of exit-side reflecting mirror 122 Condensing axis of exit-side reflecting mirror 125 Exit-side housing 123 Condensing-side reflecting mirror 124 Focus axis of condensing-side reflecting mirror 126 Condensing

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  • Life Sciences & Earth Sciences (AREA)
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  • Apparatus For Disinfection Or Sterilisation (AREA)
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Abstract

L'invention concerne un dispositif de stérilisation aux ultraviolets comprenant une unité de stérilisation aux ultraviolets pourvue des éléments suivants : un boîtier doté d'une ouverture; une fenêtre de transmittance d'ultraviolets, qui présente une surface interne et une surface externe sur le côté opposé à la surface interne, qui est disposée de sorte que sa surface interne fait face à l'intérieur du boîtier afin de bloquer l'ouverture du boîtier, et qui transmet un rayonnement ultraviolet; une source de lumière qui possède au moins une diode émettant de la lumière ultraviolette et qui émet un rayonnement ultraviolet sous la forme d'un faisceau de lumière en forme de bande; et un moyen de balayage qui peut émettre le rayonnement ultraviolet, de la source de lumière, depuis l'intérieur du boîtier dans toute la surface interne de la fenêtre de transmittance d'ultraviolets, par émission du rayonnement ultraviolet qui vient de la source de lumière tout en décalant, dans une direction coupant la largeur du faisceau de lumière en forme de bande, l'emplacement où le rayonnement ultraviolet provenant de la source de lumière est incident sur la fenêtre de transmittance d'ultraviolets. Le dispositif de stérilisation aux ultraviolets émet un rayonnement ultraviolet sur un corps à stériliser qui est disposé à l'opposé de la surface externe de la fenêtre de transmittance d'ultraviolets, et stérilise ainsi un tel corps.
PCT/JP2016/064173 2015-05-14 2016-05-12 Dispositif de stérilisation aux ultraviolets WO2016182024A1 (fr)

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JP7136151B2 (ja) 2020-03-18 2022-09-13 信越化学工業株式会社 反射防止膜付き合成石英ガラス基板、窓材、光学素子パッケージ用リッド、光学素子パッケージおよび光照射装置
JP2021148902A (ja) * 2020-03-18 2021-09-27 信越化学工業株式会社 反射防止膜付き合成石英ガラス基板、窓材、光学素子パッケージ用リッド、光学素子パッケージおよび光照射装置
WO2022024304A1 (fr) * 2020-07-30 2022-02-03 日本電信電話株式会社 Système d'irradiation aux ultraviolets et procédé de décontamination
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CN114569752A (zh) * 2022-03-09 2022-06-03 中山市光圣半导体科技有限公司 一种对面设置的自监测深紫外led杀菌用模组
TWI846190B (zh) * 2022-12-07 2024-06-21 緯創資通股份有限公司 自滅菌飾板結構及自滅菌載具
CN116019944A (zh) * 2023-02-14 2023-04-28 宁波聚睿众邦检测技术有限公司 一种应用光学杀菌的消毒杀菌装置

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