WO2021020453A1 - Appareil de stérilisation - Google Patents

Appareil de stérilisation Download PDF

Info

Publication number
WO2021020453A1
WO2021020453A1 PCT/JP2020/029094 JP2020029094W WO2021020453A1 WO 2021020453 A1 WO2021020453 A1 WO 2021020453A1 JP 2020029094 W JP2020029094 W JP 2020029094W WO 2021020453 A1 WO2021020453 A1 WO 2021020453A1
Authority
WO
WIPO (PCT)
Prior art keywords
light emitting
emitting device
ultraviolet rays
irradiated surface
sterilizer
Prior art date
Application number
PCT/JP2020/029094
Other languages
English (en)
Japanese (ja)
Inventor
中村　真人
Original Assignee
株式会社エンプラス
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
Priority claimed from JP2019221475A external-priority patent/JP2021020043A/ja
Application filed by 株式会社エンプラス filed Critical 株式会社エンプラス
Publication of WO2021020453A1 publication Critical patent/WO2021020453A1/fr

Links

Images

Classifications

    • 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 a sterilizer.
  • ultraviolet rays are used to sterilize fluids such as liquids and gases, and various medical instruments. Further, in recent years, for example, ultraviolet rays have been used for sterilizing a portion that comes into contact with water droplets due to dew condensation or the like (see, for example, Patent Document 1).
  • Patent Document 1 describes an air conditioner (air conditioner) having a sterilizing function.
  • the air conditioner described in Patent Document 1 includes a suction grill, a heat exchanger, a drain pan, a fan, and an outlet grill.
  • the blowout grill is provided with a photocatalytic filter in which a fluorescent tube type ultraviolet lamp is arranged.
  • the drain pan is sterilized with a fluorescent lamp type ultraviolet lamp arranged on the photocatalyst filter.
  • the ultraviolet lamp since the ultraviolet lamp has a short usable period, it needs to be replaced frequently, and the running cost of the air conditioner becomes high. Further, since the drain pan is generally arranged in a limited space inside the air conditioner that cannot be seen from the outside, the replacement work of the ultraviolet lamp may be complicated.
  • LED light emitting diode
  • the LEDs are arranged linearly along the drain pan directly above the drain pan, but there is a problem that many LEDs are required and the device becomes expensive.
  • the drain pan is arranged in a narrow space, the distance between the LED and the drain pan cannot be increased for the purpose of reducing the number of LEDs.
  • An object of the present invention is to provide a sterilizer capable of irradiating a wide area of an irradiated surface with ultraviolet rays even if a light emitting element that emits ultraviolet rays is arranged at a position close to the irradiated surface.
  • the sterilizer of the present invention is irradiated with a light emitting device including a light emitting element that emits ultraviolet rays, a luminous flux control member for condensing the ultraviolet rays emitted from the light emitting element, and ultraviolet rays emitted from the light emitting device.
  • the light emitting device has an irradiated surface to be irradiated, and the optical axis of the light emitting device is inclined with respect to the irradiated surface.
  • the sterilizer of the present invention irradiates the entire irradiated surface with ultraviolet rays even when the light emitting element that emits ultraviolet rays is directly above the irradiated surface and is arranged at a position close to the irradiated surface. it can.
  • FIG. 1 is a perspective view showing a partial configuration of a sterilizer according to a first embodiment of the present invention.
  • 2A to 2D are views showing the configuration of the luminous flux control member.
  • FIG. 3 is a diagram for explaining a light-shielding member and a reflective member.
  • 4A to 4D are diagrams for explaining the state of ultraviolet irradiation in the sterilizer.
  • 5A to 5D are diagrams for explaining the state of ultraviolet irradiation in another sterilizer.
  • 6A to 6C are schematic views showing other arrangements of the light emitting device.
  • 7A to 7C are schematic views showing other arrangements of the light emitting device.
  • 8A-C are schematic views showing other arrangements of the light emitting device.
  • FIGS. 9A to 9D are diagrams showing the configuration of the luminous flux control member in the modified example of the first embodiment.
  • FIG. 10 is a perspective view showing a part of the configuration of the sterilizer according to the second embodiment of the present invention.
  • FIG. 11A is a diagram showing a part of the configuration of the sterilizer according to the third embodiment of the present invention, and
  • FIG. 11B is a diagram showing a part of the configuration of the sterilizer according to the modified example of the third embodiment. is there.
  • FIG. 12A is a diagram showing a part of the configuration of the sterilizer according to the fourth embodiment of the present invention, and
  • FIG. 12B is a diagram showing a part of the configuration of the sterilizer according to the modified example of the fourth embodiment. is there.
  • the sterilizer is a device that sterilizes the irradiated surface by irradiating the irradiated surface with ultraviolet rays. Since the sterilizer is effective against all kinds of bacteria and can be sterilized at room temperature, it can be incorporated into various devices.
  • the sterilizer incorporated in the indoor unit (electric machinery / equipment) of the air conditioner hereinafter, also referred to as “air conditioner” will be described, but the sterilizer of the present invention is not limited thereto.
  • FIG. 1 is a perspective view showing a part of the configuration of the sterilizer according to the first embodiment of the present invention incorporated in the indoor unit 100 of the air conditioner.
  • the indoor unit 100 of the air conditioner includes a suction portion, a heat exchanger 110, a fan 120, a sterilizer 130 having a drain pan 135, a filter 170 (see FIG. 3), and an outlet portion.
  • a suction portion As shown in FIG. 1, the indoor unit 100 of the air conditioner includes a suction portion, a heat exchanger 110, a fan 120, a sterilizer 130 having a drain pan 135, a filter 170 (see FIG. 3), and an outlet portion.
  • the suction part, the filter 170, and the blowout part are omitted, and only a part of the internal structure of the indoor unit 100 of the air conditioner is shown.
  • the suction unit functions to take indoor air into the indoor unit 100.
  • the arrangement and shape of the suction portion are not particularly limited as long as they can exhibit the above-mentioned functions, and can be appropriately designed.
  • the blowing unit functions to blow out the air inside the indoor unit 100 into the room.
  • the arrangement and shape of the blowout portion are not particularly limited as long as they can exhibit the above-mentioned functions, and can be appropriately designed.
  • the filter 170 captures foreign matter in the air taken into the indoor unit 100. As the filter 170, a known filter 170 can be used.
  • the heat exchanger 110 cools warm air when the air conditioner operates for cooling, and warms cold air when the air conditioner operates for heating.
  • the heat exchanger 110 is arranged directly above the sterilizer 130.
  • the heat exchanger 110 is not particularly limited as long as it can exhibit the above-mentioned functions, and a known heat exchanger can be used.
  • the heat exchanger 110 cools the warm air, so that dew condensation occurs on the surface of the heat exchanger 110. Water droplets adhere to the surface of the heat exchanger 110 due to this dew condensation.
  • the water droplets adhering to the surface of the heat exchanger 110 fall on the drain pan 135 (included in the sterilizer 130 described later) and are discharged to the outside of the room.
  • the fan 120 functions to take indoor air into the indoor unit 100 and discharge the air inside the indoor unit 100 to the outside of the indoor unit 100.
  • the configuration of the fan 120 is not particularly limited as long as it can exhibit the above-mentioned functions, and a known fan can be used.
  • the sterilizer 130 is surrounded by a member that does not transmit the ultraviolet rays emitted from the light emitting element 133.
  • the "member that does not transmit ultraviolet rays" is the cover of the indoor unit 100.
  • the sterilizer 130 may be surrounded to the extent that ultraviolet rays do not leak to the outside, and the entire sterilizer 130 may not be completely covered.
  • the sterilizer 130 has an irradiated surface 131 and a light emitting device 132.
  • the irradiated surface 131 is irradiated with ultraviolet rays by the light emitting device 132.
  • the size of the irradiated surface 131 is not particularly limited and is appropriately set.
  • the shape of the irradiated surface 131 is also not particularly limited.
  • the irradiated surface 131 is a part of the functional part of the indoor unit 100.
  • the functional unit is the drain pan 135. That is, the irradiated surface 131 is a surface that the water droplets of the drain pan 135 come into contact with. That is, the irradiated surface 131 is the inner surface (bottom surface) of the drain pan 135.
  • the shape of the drain pan 135 is not particularly limited.
  • the shape of the drain pan 135 is a box shape with an open upper surface.
  • the irradiated surface 131 may be a flat surface or may have a convex portion formed therein.
  • the irradiated surface 131 is a flat surface.
  • the irradiated surface 131 is rectangular when viewed in a plan view, and includes a long axis and a short axis orthogonal to the long axis.
  • the light emitting device 132 is arranged at a predetermined height from the irradiated surface 131 (inner surface of the drain pan 135), and irradiates the irradiated surface 131 with ultraviolet rays.
  • the number of light emitting devices 132 is not particularly limited.
  • the number of light emitting devices 132 may be one or a plurality. In the present embodiment, the number of light emitting devices 132 is two. In the present embodiment, the two light emitting devices 132 are arranged directly above both ends of the irradiated surface 131 in the long axis direction.
  • one light emitting device 132 is arranged directly above one end in one direction (major axis direction) of the irradiated surface 131, and the two light emitting devices 132.
  • the other light emitting device 132 is arranged directly above the other end portion in one direction (major axis direction) of the irradiated surface 131.
  • the lower end of the light emitting device 132 is located directly above the short side of the irradiated surface 131, and the light emitting device 132 is arranged so as to be inclined so that the ultraviolet rays emitted from the light emitting device 132 are directed toward the inside of the irradiated surface 131.
  • the two light emitting devices 132 are arranged so that their optical axes OA and OA are located on the same virtual plane including the normal line and the long axis of the irradiated surface 131.
  • the height of each light emitting device 132 from the irradiated surface 131 is appropriately set.
  • the "optical axis OA of the light emitting device 132" means a light beam indicating the maximum luminous intensity in the luminous flux of the ultraviolet rays emitted from the light emitting device 132.
  • Each light emitting device 132 is arranged so that the optical axis OA of the light emitting element 133 diagonally intersects the irradiated surface 131.
  • the optical axes OA of the two light emitting devices 132 intersect.
  • the smaller angle of the angle formed by the optical axis OA of the light emitting device 132 and the irradiated surface 131 is not particularly limited as long as it exceeds 0 ° and is less than 90 °.
  • the smaller angle between the optical axis OA of the light emitting device 132 and the irradiated surface 131 is 10 °.
  • the light emitting device 132 has a light emitting element 133 and a luminous flux control member 134. In the present embodiment, the light emitting device 132 is fixed to a holder (not shown).
  • the light emitting element 133 emits ultraviolet rays.
  • the type of the light emitting element 133 is not particularly limited as long as it can emit ultraviolet rays.
  • Examples of the light emitting element 133 include a light emitting diode (LED), a mercury lamp, a metal halide lamp, a xenon lamp, and a laser diode (LD).
  • the center wavelength or peak wavelength of the ultraviolet rays emitted from the light emitting element 133 is preferably 200 nm or more and 350 nm or less.
  • the center wavelength or peak wavelength of the ultraviolet rays emitted from the light emitting element 133 is more preferably 250 nm or more and 290 nm or less from the viewpoint of high sterilization efficiency. That is, ultraviolet rays are more preferably ultraviolet C waves (UVC).
  • UVC ultraviolet C waves
  • the luminous flux control member 134 is a member that controls the light distribution of ultraviolet rays emitted from the light emitting element 133.
  • the luminous flux control member 134 mainly collects ultraviolet rays emitted from the light emitting element 133 and traveling in the direction of the minor axis of the irradiated surface.
  • the luminous flux control member 134 is arranged so that the central axis CA of the luminous flux control member 134 coincides with the optical axis OA of the light emitting element 133.
  • the configuration of the luminous flux control member 134 will be described in detail below.
  • FIG. 2A to 2D are views showing the configuration of the luminous flux control member 134 in the sterilizer 130 according to the first embodiment.
  • 2A is a plan view of the luminous flux control member 134
  • FIG. 2B is a bottom view
  • FIG. 2C is a left side view
  • FIG. 2D is a sectional view taken along line AA shown in FIG. 2A. is there.
  • the luminous flux control member 134 has an incident region 141 and an emitted region 142. Further, in the present embodiment, the luminous flux control member 134 has a tubular portion 143, a flange portion 144, and a positioning convex portion 145.
  • the incident region 141 is arranged so as to face the light emitting element 133, and the ultraviolet rays emitted from the light emitting element 133 are incident.
  • the incident region 141 includes a first control unit 146 and a second control unit 147.
  • the first control unit 146 uses the incident region 141 as a boundary with a virtual plane including the central axis CA of the luminous flux control member 134 that coincides with the optical axis OA of the light emitting element 133. It is arranged on one side (upper side in FIGS. 2B and 2D).
  • the second control unit 147 is placed on the other side of the incident region 141 (lower side in FIGS. 2B and D) with the virtual plane including the central axis CA as a boundary. Have been placed.
  • the light emitting device 132 is arranged so that the second control unit 147 is located closer to the irradiated surface 131 than the first control unit 146.
  • the first control unit 146 has a first refraction incident surface 151 and a first convex portion 152.
  • the first refraction incident surface 151 is arranged on the CA side (inside) of the central axis of the first control unit 146.
  • the first refracting incident surface 151 refracts and incidents ultraviolet rays emitted from the light emitting element 133 so that the angle with respect to the central axis CA becomes small.
  • the first refraction incident surface 151 is formed so as to move toward the emission region 142 side as the distance from the central axis CA increases.
  • the plan view shape of the first refraction incident surface 151 is a fan shape having a central angle of 180 °.
  • the first convex portion 152 is arranged at a distance from the first refraction incident surface 151 with respect to the central axis CA.
  • the first convex portion 152 controls the ultraviolet rays emitted from the light emitting element 133 toward the emission region 142 so that the angle with respect to the central axis CA becomes smaller in the cross section including the central axis CA.
  • the number of the first convex portions 152 is not particularly limited. In the present embodiment, there are three first convex portions 152. The sizes of the three first convex portions 152 may all be the same or may be different from each other.
  • the first convex portion 152 farthest from the central axis CA is larger than the other first convex portions 152.
  • the plan view shape of the first convex portion 152 is a partial shape of an annulus (semi-annular ring).
  • the three first convex portions 152 are arranged so that their respective first ridge lines 155 are located on concentric circles.
  • the first convex portion 152 includes a first incident surface 153 on the central axis CA side (inside) and a first reflecting surface 154 arranged at a position (outside) away from the first incident surface 153 with respect to the central axis CA. It has a first ridge line 155, which is a connecting line between the first incident surface 153 and the first reflecting surface 154.
  • a first incident surface 153 on the central axis CA side (inside) and a first reflecting surface 154 arranged at a position (outside) away from the first incident surface 153 with respect to the central axis CA. It has a first ridge line 155, which is a connecting line between the first incident surface 153 and the first reflecting surface 154.
  • the ultraviolet rays emitted from the light emitting element 133 some of the ultraviolet rays are incident on the first incident surface 153, reflected by the first reflecting surface 154, and then emitted from the emission region 142.
  • the second control unit 147 has a second refraction incident surface 161 (refraction incident surface) and a second convex portion 162.
  • the second refraction incident surface 161 is arranged on the CA side (inside) of the central axis of the second control unit 147.
  • the second refracting incident surface 161 refracts and incidents ultraviolet rays emitted from the light emitting element 133 so that the angle with respect to the central axis CA becomes small.
  • the second refraction incident surface 161 is formed so as to be convex toward the emission region 142.
  • the plan view shape of the second refraction incident surface 161 is a fan shape having a central angle of 180 °.
  • the second convex portion 162 is arranged at a distance from the second refraction incident surface 161 with respect to the central axis CA.
  • the second convex portion 162 controls the ultraviolet rays emitted from the light emitting element 133 toward the emission region 142 so that the angle with respect to the central axis CA becomes smaller in the cross section including the central axis CA.
  • the number of the second convex portions 162 is not particularly limited. In the present embodiment, there is only one second convex portion 162.
  • the second convex portion 162 has a notched portion 163.
  • the second convex portion 162 includes a second incident surface 164 on the central axis CA side (inside) and a second reflecting surface 165 arranged at a position (outside) away from the second incident surface 164 with respect to the central axis CA. It has a second ridge line 166, which is a connecting line between the second incident surface 164 and the second reflecting surface 165.
  • the plan view shape of the second convex portion 162 is a partial shape of an annulus (a semicircular annulus except for the notch portion 163). Of the ultraviolet rays emitted from the light emitting element 133, some of the ultraviolet rays are incident on the second incident surface 164, reflected by the second reflecting surface 165, and then emitted from the emission region 142.
  • the notch portion 163 is formed in the second convex portion 162 so as to divide the second convex portion 162 into two.
  • the cutout portion 163 is a region in which the second convex portion 162 is not partially formed, and is formed to guide light directly below the light emitting device 132.
  • a surface parallel to the central axis CA is formed in this region located outside the second refraction incident surface 161.
  • the position of the notch portion 163 is not particularly limited as long as the light can be guided directly under the light emitting device 132.
  • the notch portion 163 is formed at a position away from the first control unit 146.
  • the cutout portion 163 is formed at a position closest to the irradiated surface 131 when the light emitting device 132 is incorporated in the sterilizer 130.
  • the width of the cutout portion 163 is not particularly limited. The width of the cutout portion 163 is appropriately set according to the width of the irradiated surface 131 and the like.
  • the tubular portion 143 is arranged so as to surround the incident region 141 and the emitted region 142.
  • the shape of the tubular portion 143 is not particularly limited. In the present embodiment, the shape of the tubular portion 143 is a cylindrical shape.
  • a flange portion 144 is connected to the base end portion of the light emitting element 133 of the tubular portion 143.
  • the flange portion 144 is connected to the end portion (base end portion) of the cylinder portion 143 on the light emitting element 133 side.
  • the flange portion 144 extends radially outward from the outer peripheral surface of the tubular portion 143.
  • the shape of the flange portion 144 is not particularly limited. In the present embodiment, the flange portion 144 has an annular shape.
  • the positioning convex portion 145 is arranged so as to project from the surface (back surface) of the flange portion 144 on the light emitting element 133 side.
  • the number of positioning protrusions 145 is not particularly limited. In the present embodiment, the number of positioning convex portions 145 is three.
  • the three positioning convex portions 145 are arranged so as to be evenly spaced in the circumferential direction of the flange portion 144.
  • the three positioning protrusions 145 are used for positioning to the holder.
  • the luminous flux control member 134 is formed, for example, by integral molding.
  • the material of the luminous flux control member 134 is appropriately selected from materials having translucency that allows light of a desired wavelength to pass through.
  • the material of the light beam control member 134 includes a light-transmitting resin such as polymethyl methacrylate (PMMA), polycarbonate (PC), and epoxy resin (EP) silicone resin, and glass such as synthetic quartz.
  • the light emitting device 132 having such a light flux control member 134 arbitrarily adjusts the light distribution of ultraviolet rays by arranging it with respect to the irradiated surface 131.
  • the optical axis OA of the light emitting device 132 is arranged so as to be parallel to the long axis of the irradiated surface 131 or parallel to the short axis. , Adjust the light distribution characteristics of the luminous flux control member 134.
  • the luminous flux control member 134 is at least in the direction of the minor axis (light emission). Ultraviolet rays are condensed in the left-right direction when the device 132 sees the irradiated surface 131). That is, in the virtual plane including the optical axis OA of the light emitting device 132 and parallel to the short axis, the ultraviolet rays emitted from the light emitting element 133 are collected by the luminous flux control member 134.
  • the luminous flux control member 134 is at least in the direction of the minor axis. (See FIGS. 7A to 7C) in the vertical (front-back) direction when the light emitting device 132 looks at the irradiated surface 131 (see FIGS. 7A to 7C). That is, in the virtual plane including the optical axis OA of the light emitting device 132 and parallel to the long axis, the ultraviolet rays emitted from the light emitting element 133 are collected by the luminous flux control member 134.
  • the indoor unit 100 (sterilizer 130) of the air conditioner may further include a light-shielding member 171 or a reflective member 172.
  • FIG. 3 is a diagram for explaining the light-shielding member 171 or the reflective member 172.
  • the indoor unit 100 (sterilizer 130) of the air conditioner may further include a light-shielding member 171.
  • the light-shielding member blocks ultraviolet rays emitted from the light emitting device 132 in a direction other than the irradiated surface 131.
  • the light shielding member 171 is arranged between the light emitting device 132 and the filter 170.
  • the indoor unit 100 (sterilizer 130) of the air conditioner may have a reflective member 172.
  • the reflecting member 172 reflects the ultraviolet rays emitted from the light emitting device 132 in a direction other than the irradiated surface 131 toward the irradiated surface.
  • the arrangement and size of the reflective member 172 are not particularly limited as long as they can exhibit the above-mentioned functions.
  • the reflection member 172 is arranged between the light emitting device 132 and the filter 170.
  • the reflective member 172 may be arranged on the inner surface of the drain pan 135.
  • the drain pan may be formed of a material that reflects ultraviolet rays, or the inner surface of the drain pan may be treated to reflect ultraviolet rays. When the drain pan is formed of a material that reflects ultraviolet rays, it is not necessary to arrange the reflective member 172 on the inner surface of the drain pan 135.
  • a plurality of light emitting devices 132 uniformly irradiate the entire irradiated surface 131 with ultraviolet rays.
  • the arrangement of the light emitting device 132 with respect to the irradiated surface and the irradiation range of ultraviolet rays by the light emitting device 132 will be described below.
  • FIGS. 4A to 4D are diagrams for explaining the state of ultraviolet irradiation in the sterilizer 130.
  • FIG. 4A is a front view schematically showing the sterilizer 130
  • FIG. 4B shows the illuminance on the irradiated surface 131 when ultraviolet rays are irradiated from only one of the light emitting devices 132B toward the irradiated surface.
  • 4C is a diagram showing the illuminance on the irradiated surface 131 when ultraviolet rays are irradiated from the two light emitting devices 132A and 132B toward the irradiated surface 131
  • FIG. 4D is a diagram showing the illuminance on the irradiated surface 131. It is a graph which quantified and plotted the result of.
  • the light emitting devices 132 are arranged directly above both ends of the irradiated surface 131 in the long axis direction, and the optical axis OA of the light emitting device 132 is arranged so as to intersect the irradiated surface 131.
  • One light emitting device 132 shown on the left side of FIG. 4A will be referred to as a light emitting device 132A
  • the other light emitting device 132 shown on the right side of FIG. 4A will be referred to as a light emitting device 132B.
  • the scales in FIGS. 4B and 4C indicate the distance (mm) from the center of the irradiated surface 131. In FIGS.
  • the black region indicates a region with low illuminance
  • the white region indicates a region with high illuminance.
  • the horizontal axis of FIG. 4D indicates the distance (mm) from the center of the irradiated surface 131, and the vertical axis indicates the illuminance (W / mm 2 ).
  • the light emitting device 132A and the light emitting device 132B are arranged directly above both ends in the long axis direction of the irradiated surface 131, respectively.
  • the two light emitting devices 132A and the light emitting device 132B are arranged so that their optical axes OA intersect with the irradiated surface 131.
  • one light emitting device 132B has an end portion of one (light emitting device 132B side) on the irradiated surface 131 and the irradiated surface 131. Irradiate the area between the center and the center of the.
  • the other light emitting device 132A has the other end (light emitting device 132A side) of the irradiated surface 131 and the irradiated surface 131. Irradiate the area between the center and the center of the.
  • the area on the light emitting device 132B side where the light emitting device 132A is not irradiated with ultraviolet rays is illuminated by the light emitting device 132B, and the area on the light emitting device 132A side where the light emitting device 132B is not irradiated with ultraviolet rays is illuminated by the light emitting device 132A. Illuminate with. In this way, one of the light emitting devices 132 is adjusted so as to irradiate the irradiated surface on the side close to the light emitting device 132 with ultraviolet rays and to collect the ultraviolet rays in the minor axis direction of the irradiated surface 131.
  • FIG. 5A to 5D are diagrams for explaining the state of ultraviolet irradiation in the other sterilizer 130.
  • FIG. 5A is a side view schematically showing the sterilizer 130
  • FIG. 5B shows the illuminance on the irradiated surface 131 when ultraviolet rays are irradiated from only one light emitting device 132B toward the irradiated surface 131.
  • 5C is a diagram showing the illuminance on the irradiated surface 131 when ultraviolet rays are irradiated from the two light emitting devices 132A and 132B toward the irradiated surface 131
  • FIG. 5D is a diagram showing the illuminance on the irradiated surface 131. It is a graph which quantified and plotted the result of C.
  • the light emitting devices 132 are arranged directly above both ends of the irradiated surface 131 in the long axis direction, and the optical axis OA of the light emitting device 132 (here, passing through the center of the light emitting device 132 and the center of the light emitting element 133). A straight line passing through the axis) is arranged so as to intersect the irradiated surface 131.
  • One light emitting device 132 shown on the left side of FIG. 5A will be referred to as a light emitting device 132A
  • the other light emitting device 132 shown on the right side of FIG. 5A will be referred to as a light emitting device 132B.
  • 5B and 5C indicate the distance (mm) from the center of the irradiated surface 131.
  • the black region indicates a region with low illuminance
  • the white region indicates a region with high illuminance.
  • the horizontal axis of FIG. 5D indicates the distance (mm) from the center of the irradiated surface 131
  • the vertical axis indicates the illuminance (W / mm 2 ).
  • the light emitting device 132A and the light emitting device 132B are arranged directly above both ends in the long axis direction of the irradiated surface 131, respectively.
  • the two light emitting devices 132A and the light emitting device 132B are arranged so that their optical axes OA intersect with the irradiated surface 131.
  • one light emitting device 132B has an end portion of the irradiated surface 131 on the other side (light emitting device 132A side) and the irradiated surface 131. Irradiate the area between the center and the center of the.
  • the other light emitting device 132A has an end portion of one (light emitting device 132B side) on the irradiated surface 131 and the irradiated surface 131. Irradiate the area between the center and the center of the.
  • the area on the light emitting device 132A side where the light emitting device 132A is not irradiated with ultraviolet rays is illuminated by the light emitting device 132B, and the area on the light emitting device 132B side where the light emitting device 132B is not irradiated with ultraviolet rays is illuminated by the light emitting device 132A. Illuminate with. In this way, one of the light emitting devices 132 is adjusted so as to irradiate the irradiated surface on the side far from the light emitting device 132 with ultraviolet rays and to collect the ultraviolet rays in the minor axis direction of the irradiated surface 131.
  • the light emitting device 132A (light emitting device 132B) does not need to irradiate ultraviolet rays directly under the light emitting device 132A, so that the degree of freedom in the arrangement of the light emitting device 132A (light emitting device 132B) is high. Can be raised.
  • the arrangement of the light emitting device 132 is not limited to the above-mentioned arrangement.
  • 6A to 6C are schematic views showing another arrangement of the light emitting device 132.
  • Reference numerals "180" in FIGS. 6A to 6C are storage units in which the power supply and various sensors are stored.
  • the light emitting device 132A when the storage unit 180 is arranged directly above one end of the drain pan 135, the light emitting device 132A is arranged directly above the other end of the drain pan 135 to emit light.
  • the device 132B may be arranged directly above the center of the drain pan 135.
  • the optical axes OA of the light emitting devices 132A and 132B are both inclined with respect to the irradiated surface.
  • the light emitting device 132A irradiates the region from one end to the vicinity of the center of the drain pan 135 with ultraviolet rays
  • the light emitting device 132B irradiates the region from the center to the other end of the drain pan 135 with ultraviolet rays. ..
  • the entire irradiated surface 131 can be irradiated with ultraviolet rays.
  • the light emitting devices 132A and 132B are arranged directly above the central portion of the drain pan 135. May be good. Even in this case, the optical axes OA of the light emitting devices 132A and 132B are both inclined with respect to the irradiated surface 131. In this case, the light emitting device 132A irradiates the region from the central portion to one end of the drain pan 135 with ultraviolet rays, and the light emitting device 132B irradiates the region from the central portion to the other end of the drain pan 135 with ultraviolet rays. As described above, even when the light emitting device 132A (light emitting device 132B) cannot be arranged at both ends of the drain pan 135, the entire irradiated surface 131 can be irradiated with ultraviolet rays.
  • the storage portion 180 when the storage portion 180 is arranged immediately above both ends of the drain pan 135 and the convex portion 190 for avoiding wiring or the like is formed in the drain pan 135, light is emitted.
  • the devices 132A and 132B may be arranged directly above the convex portion 190. Even in this case, the optical axes OA of the light emitting devices 132A and 132B are both inclined with respect to the irradiated surface. In this case, the light emitting device 132A irradiates the region from the central portion to one end of the drain pan 135 with ultraviolet rays, and the light emitting device 132B irradiates the region from the central portion to the other end of the drain pan 135 with ultraviolet rays.
  • the range in which the light emitting devices 132A and 132B irradiate ultraviolet rays is appropriately set according to the position of the convex portion 190. In this way, even if there is a protrusion on the bottom surface of the drain pan 135, the entire irradiated surface 131 can be irradiated with ultraviolet rays.
  • FIGS. 7A to 7C are diagrams for explaining the arrangement of the light emitting device 132 in the other sterilizer 130.
  • 7A is a front view schematically showing the sterilizer 130
  • FIG. 7B is a plan view of the sterilizer 130
  • FIG. 7C is a right side view.
  • One light emitting device 132 shown on the left side of FIGS. 7A and 7B will be referred to as a light emitting device 132A
  • the other light emitting device 132 shown on the right side of FIGS. 7A and B will be referred to as a light emitting device 132B.
  • the two light emitting devices 132A and 132B are arranged so that their optical axes are located on a virtual plane including the normal and the short axis of the irradiated surface 131, respectively.
  • one of the two light emitting devices 132A and the light emitting device 132B, one of the light emitting devices 132A irradiates the region on one side of the irradiated surface 131 in the long axis direction with ultraviolet rays. ..
  • the other light emitting device 132B irradiates the region of the other half surface of the irradiated surface 131 on the other side in the long axis direction with ultraviolet rays.
  • the two light emitting devices 132A and 132B are arranged so that their optical axes are located on a virtual plane including the normal line and the short axis of the irradiated surface 131.
  • the shape of the irradiated surface 131 is not particularly limited.
  • the irradiated surface 131 is rectangular when viewed in a plan view, and is a surface including a long axis and a short axis orthogonal to the long axis.
  • the luminous flux control member 134 collects ultraviolet rays at least in the direction of the short axis (the vertical (front-back) direction when the light emitting device 132 sees the irradiated surface 131).
  • FIGS. 8A and B are diagrams for explaining the arrangement of the light emitting device 132 in the other sterilizer 130.
  • 8A is a front view schematically showing the sterilizer 130
  • FIG. 8B is a plan view of the sterilizer 130
  • FIG. 8C is a right side view.
  • One light emitting device 132 shown on the left side of FIGS. 8A and B will be referred to as a light emitting device 132A
  • the other light emitting device 132 shown on the right side of FIGS. 8A and B will be referred to as a light emitting device 132B.
  • the angle formed by the long axis and the optical axis OA is the angle formed by the short axis and the optical axis OA when the irradiated surface 131 is viewed in a plan view. It is arranged so that it is smaller than.
  • the "angle formed by the long axis (or short axis) and the optical axis OA” means the angle formed by the optical axis OA projected onto the irradiated surface 131 and the long axis (or short axis).
  • the two light emitting devices 132A and 132B are arranged immediately above one half surface of the irradiated surface 131 when the sterilizer 130 is viewed from the side. As shown in FIGS. 8A and 8B, one of the two light emitting devices 132A and the light emitting device 132B, one of the light emitting devices 132A, irradiates the region on one side of the irradiated surface 131 in the long axis direction with ultraviolet rays. .. The other light emitting device 132B irradiates the region of the other half surface of the irradiated surface 131 on the other side in the long axis direction with ultraviolet rays.
  • the shape of the irradiated surface 131 is not particularly limited.
  • the irradiated surface 131 is rectangular when viewed in a plan view, and is a surface including a long axis and a short axis orthogonal to the long axis.
  • the luminous flux control member 134 collects ultraviolet rays at least in the direction of the short axis (the vertical (front-back) direction when the light emitting device 132 sees the irradiated surface 131).
  • the sterilizer according to the modified example of the first embodiment differs from the sterilizer 130 according to the first embodiment only in the configuration of the luminous flux control member 234. Therefore, the description other than the luminous flux control member 234 will be omitted.
  • FIGStructure of luminous flux control member 9A to 9D are diagrams showing the configuration of the luminous flux control member 234 of the sterilizer in the modified example of the first embodiment.
  • 9A is a plan view of the luminous flux control member 234,
  • FIG. 9B is a bottom view,
  • FIG. 9C is a side view, and
  • FIG. 9D is a cross-sectional view taken along the line AA shown in FIG. 9A. ..
  • the luminous flux control member 234 has an incident surface 241, a total reflection surface 242, an exit surface 243, and a tubular portion 244.
  • the flange portion and the leg portion are omitted.
  • the incident surface 241 causes the ultraviolet rays emitted from the light emitting element 133 to enter the inside of the luminous flux control member 234.
  • the incident surface 241 is an inner surface of a recess 247 formed so as to face the light emitting element 133.
  • the incident surface 241 has a first incident surface 245 corresponding to the bottom surface of the recess 247 and a second incident surface 246 corresponding to the inner surface of the recess 247.
  • the first incident surface 245 incidents ultraviolet rays having a small emission angle among the ultraviolet rays emitted from the light emitting element 133.
  • the first incident surface 245 is formed so that the distance between the first incident surface 245 and the central axis CA gradually increases from the incident surface 241 to the exit surface 243 in the cross section including the central axis CA.
  • the second incident surface 246 is incident with ultraviolet rays having a large emission angle among the ultraviolet rays emitted from the light emitting element 133.
  • the second incident surface 246 connects the first incident surface 245 and the total reflection surface 242.
  • the second incident surface 246 is formed so as to approach the central axis CA as it goes from the incident surface 241 to the exit surface 243 in the cross section including the central axis CA.
  • the total reflection surface 242 reflects a part of the ultraviolet rays incident from the incident surface 241 toward the exit surface 243.
  • the “total reflection surface” means a surface intended to totally reflect the ultraviolet rays that have reached the surface among the ultraviolet rays emitted from the light emitting center of the light emitting element 133.
  • the total reflection surface 242 is a rotationally symmetric plane centered on the central axis CA, which is arranged so as to surround the central axis CA.
  • the distance between the total reflection surface 242 and the central axis CA gradually increases from the light emitting element 133 side toward the emission surface 243 side of the luminous flux control member 234.
  • the shape of the total reflection surface 242 in the cross section of the luminous flux control member 234 passing through the central axis CA is a curved line that is convex outward (the side away from the central axis CA).
  • the exit surface 243 is arranged on the opposite side of the incident surface 241 and emits ultraviolet rays that have traveled inside the luminous flux control member 234 to the outside.
  • the exit surface 243 is a circular plane centered on the central axis CA, and is arranged so as to intersect the central axis CA perpendicularly.
  • the tubular portion 244 is arranged so as to surround the exit surface 243.
  • the shape of the tubular portion 244 is not particularly limited. In the present embodiment, the shape of the tubular portion 244 is a cylindrical shape.
  • the luminous flux control member 234 according to the modified example mainly reflects ultraviolet rays on the total reflection surface 242 to collect the ultraviolet rays emitted from the light emitting element 133. Even if the luminous flux control member 234 according to the modified example is used instead of the luminous flux control member 134, the entire surface of the irradiated surface 131 can be irradiated with ultraviolet rays by using a small number of light emitting devices 132.
  • the sterilizer 130 since the optical axis OA of the light emitting device 132 is inclined with respect to the irradiated surface 131, the light emitting device is emitted from directly below the light emitting device 132 of the irradiated surface 131. Light can be irradiated substantially uniformly from 132 to a position far from the position. Therefore, the sterilizer 130 can illuminate a wide area of the irradiated surface 131 substantially uniformly even when the sterilizer 130 is directly above the irradiated surface 131 and is arranged at a position close to the irradiated surface 131. it can.
  • FIG. 10 is a diagram showing a partial configuration of the sterilizer 230 according to the second embodiment incorporated in the dehumidifier 300 having the drain pan 235.
  • the dehumidifier 300 has a suction part, a cooler 311 and a radiator 312, a compressor 313, a fan, a sterilizer 130, and a blowout part. That is, the dehumidifier 300 equipped with the sterilizer 230 according to the present embodiment is a compressor type.
  • the dehumidifier 300 may be a desiccant system or a hybrid system in which a compressor system and a desiccant system are used in combination.
  • the suction part, the fan, and the blowout part are omitted, and only a part of the internal structure of the dehumidifier 300 is shown.
  • the suction part functions to take in the water vapor in the room into the dehumidifier 300.
  • the arrangement and shape of the suction portion are not particularly limited as long as they can exhibit the above-mentioned functions, and can be appropriately designed.
  • the blowout unit functions to blow out dehumidified air into the room.
  • the arrangement and shape of the blowout portion are not particularly limited as long as they can exhibit the above-mentioned functions, and can be appropriately designed.
  • the cooler 311 causes dew condensation on its surface and turns the water vapor in the air taken in into water droplets.
  • the water droplets are collected in the drain pan 235 and stored in the water storage tank.
  • the radiator 312 warms the air cooled by the cooler 311.
  • the compressor 313 is rotated by, for example, an electric motor, and cools and condenses air in the process of compressing and expanding the refrigerant.
  • the air taken in from the suction part by the fan is cooled by the cooler 311.
  • the cooled air is heated to about room temperature by the radiator 312, and then discharged into the room from the outlet.
  • the sterilizer 230 has an irradiated surface 231 and a light emitting device 132.
  • the irradiated surface 231 is the inner surface of the drain pan 235.
  • the irradiated surface 231 is the inner surface of the drain pan 235, but may be the inner surface of the water storage tank arranged downstream of the drain pan 235.
  • the light emitting device 132 sterilizes the irradiated surface by irradiating the irradiated surface 231 (for example, the inner surface of the drain pan 235) with ultraviolet rays.
  • the sterilizer 230 according to the present embodiment has the same effect as the sterilizer 130 according to the first embodiment.
  • FIG. 11A is a diagram showing a partial configuration of the sterilizer 430 according to the third embodiment.
  • the sterilizer 430 has an irradiated surface 131, a light emitting device 132, a shielding member 431, and a phosphor 433. Further, the sterilizer 430 is covered with a cover 435.
  • the cover 435 is arranged so as to cover the sterilizer 430.
  • a window portion 432 (opening) is opened in the cover 435.
  • the window portion 432 is a through hole that connects the inside and the outside of the indoor unit 100.
  • the shape of the window portion 423 in a plan view is not particularly limited. Examples of the plan view shape of the window portion 432 include a circular shape, an elliptical shape, and a polygonal shape.
  • the window portion 432 does not necessarily have to be intentionally formed, and includes a through hole such as a groove that normally exists between the cover 435 and the blowout portion.
  • the window portion 432 is closed by the shielding member 431.
  • the shielding member 431 is arranged so as to close the window portion 432 (opening), shields the ultraviolet rays emitted from the light emitting element 133, and transmits visible light.
  • the shielding member 431 is formed larger than the window portion 432, and is arranged so as to cover the window portion 432 from the inside of the cover 435. As a result, it is possible to prevent the ultraviolet rays from being reliably emitted from the window portion 432 to the outside.
  • the material of the shielding member 431 is not particularly limited as long as it can exhibit the above functions. Examples of the material of the shielding member 431 include a resin such as polymethyl methacrylate (PMMA) and a glass such as BK7 which is a crown optical glass borosilicate.
  • the phosphor 433 emits visible light (fluorescence) when irradiated with ultraviolet rays. Fluorescent materials are usually transparent or white.
  • the phosphor 433 is used by being dispersed in a resin or glass, or is used after being applied to a resin plate or a glass plate with a phosphor solution dissolved in a solvent and then cured. In the present embodiment, the phosphor 433 is applied as a phosphor solution to the light emitting device 132 side of the shielding member 431 to form the phosphor layer 434.
  • the phosphor layer 434 may be arranged on the entire shielding member 431 or may be arranged on a part of the shielding member 431.
  • Examples of phosphor 433 that emits red light include Y 2 O 2 S: Eu (a material obtained by doping Y 2 O 2 S with europium, the same notation used below), Zn 3 (PO 4 ) 2 : Mn. , Y 2 O 3 : Eu, (Y, Gd) BO 3 : Eu, Y (P, V) O 4 : Eu, YVO 4 : Eu, ZnS: Mn, (Sr ⁇ Mg) 3 (PO4) 2 : Sn , (ZnSr) 3 (PO4) 2: Mn, 3.5MgO ⁇ 0.5MgF 2 ⁇ GeO 2: Mn, Mg5As 2 O 11: Mn, (Ca, Sr) Si0 3: Pb, include Mn.
  • Eu a material obtained by doping Y 2 O 2 S with europium, the same notation used below
  • Zn 3 (PO 4 ) 2 Mn.
  • Y 2 O 3 Eu
  • Examples of phosphor 433 that emits green light include BaMg 2 Al 16 O 27 : Eu, Mn (a material obtained by doping BaMg 2 Al 16 O 27 with europium and manganese, the same notation used below), Zn 2 SiO.
  • the ultraviolet rays emitted from the light emitting element 133 are applied to the phosphor 433 (fluorescent layer 434) arranged on the shielding member 431.
  • the phosphor 433 irradiated with ultraviolet rays emits visible light.
  • the user can confirm whether the sterilizer 430 is operating by confirming the visible light emitted from the phosphor 433 from the window portion 432. Therefore, in the present embodiment, even when UVC is used as ultraviolet rays, since it has the shielding member 431 and the phosphor 433, it can be safely confirmed whether the sterilizer 430 is operating.
  • the modified example according to the present embodiment differs from the sterilizer 430 according to the third embodiment only in the arrangement of the shielding member 431 and the phosphor 433 (fluorescent layer 434). Therefore, the same reference numerals are given to the same configurations as those of the sterilizer 430 according to the third embodiment, and the description thereof will be omitted.
  • FIG. 11B is a diagram showing a partial configuration of the sterilizer 530 according to the modified example of the third embodiment.
  • the shielding member 431 in the modified example of the present embodiment is arranged so as to be fitted in the window portion 432.
  • the phosphor 433 (fluorescent layer 434) may be arranged so as to protrude from the window portion 432 to the light emitting element 133 side, or may be arranged inside the window portion 432.
  • the sterilizers 430 and 530 according to the present embodiment can confirm whether the sterilizers 430 and 530 are operating from the outside in addition to the effect of the sterilizer 130 according to the first embodiment.
  • FIG. 12A is a perspective view showing a partial configuration of the sterilizer 630 according to the fourth embodiment.
  • the sterilizer 630 has an irradiated surface 131, a light emitting device 132, a shielding member 431, a phosphor 433, and a light receiving member 631.
  • the light receiving member 631 is arranged between the light emitting device 132 and the shielding member 431.
  • the material of the light receiving member 631 is preferably a substance that is not easily deteriorated by being irradiated with ultraviolet rays. Examples of the material of the light receiving member 631 include silicone and synthetic quartz.
  • the phosphor 433 may be arranged on the light emitting device 132 side or may be arranged on the shielding member 431 side.
  • the light receiving member 531 is arranged on the surface of the shielding member 431 on the light emitting device 132 side.
  • the phosphor 433 may be dispersed inside the light receiving member 631, or may be arranged as a phosphor layer 434 on the surface of the light receiving member 631. In the present embodiment, the phosphor 433 is dispersed inside the light receiving member 631.
  • the ultraviolet rays emitted from the light emitting element 133 are applied to the phosphor 433 arranged on the light receiving member 631.
  • the phosphor 433 irradiated with ultraviolet rays emits visible light (fluorescence).
  • the user can confirm whether the sterilizer 630 is operating by confirming the visible light emitted from the phosphor 433.
  • the modified example according to the present embodiment differs from the sterilizer 630 according to the fourth embodiment only in the arrangement of the light receiving member 631 and the phosphor 433 (fluorescent layer 434). Therefore, the same reference numerals are given to the same configurations as those of the sterilizer 630 according to the fourth embodiment, and the description thereof will be omitted.
  • FIG. 12B is a diagram showing a partial configuration of the sterilizer 730 according to the modified example in the fourth embodiment.
  • the light receiving member 631 in the modified example of this embodiment is arranged on the light emitting device 132 side. Further, the phosphor 433 is arranged inside the light receiving member 631.
  • the sterilizers 630 and 730 according to the present embodiment can confirm whether the sterilizers 630 and 730 are operating from the outside in addition to the effect of the sterilizer 130 according to the first embodiment. Further, since the ultraviolet rays from the light emitting device 132 toward the shielding member 431 can be shielded, deterioration of the filter arranged between the light emitting device 132 and the window portion 432 can be suppressed.
  • the shielding member 431 may be arranged so as to be fitted into the window portion 432.
  • the sterilizer of the present invention can efficiently irradiate the irradiated surface with ultraviolet rays emitted from the light emitting element.
  • the sterilizer of the present invention can be mounted on, for example, an electric machine or appliance provided with a heat pump that generates water droplets when used, that is, an electric machine or appliance such as an air conditioner, a dehumidifier, or a refrigerator.

Landscapes

  • 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)
  • Physical Water Treatments (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

Cet appareil de stérilisation comprend : un dispositif électroluminescent qui comprend un élément électroluminescent qui émet une lumière ultraviolette, et un élément de commande de flux lumineux pour focaliser la lumière ultraviolette émise par l'élément électroluminescent; et une surface à irradier qui est irradiée avec la lumière ultraviolette émise par le dispositif électroluminescent. L'axe optique du dispositif électroluminescent est incliné par rapport à la surface à irradier.
PCT/JP2020/029094 2019-07-30 2020-07-29 Appareil de stérilisation WO2021020453A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2019-139841 2019-07-30
JP2019139841 2019-07-30
JP2019-221475 2019-12-06
JP2019221475A JP2021020043A (ja) 2019-07-30 2019-12-06 殺菌装置

Publications (1)

Publication Number Publication Date
WO2021020453A1 true WO2021020453A1 (fr) 2021-02-04

Family

ID=74229200

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/029094 WO2021020453A1 (fr) 2019-07-30 2020-07-29 Appareil de stérilisation

Country Status (1)

Country Link
WO (1) WO2021020453A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001171624A (ja) * 1999-12-16 2001-06-26 Econos Japan Co Ltd ボトル用キャップの殺菌方法並びにその殺菌装置
JP2004108685A (ja) * 2002-09-19 2004-04-08 Nippon Pmac Kk 除塵・脱臭・除菌機能付き空調装置
US20080310996A1 (en) * 2007-04-13 2008-12-18 Kim Darrick S H L Germicidal Floor System (GFS)
JP2013166132A (ja) * 2012-02-16 2013-08-29 Sharp Corp 紫外線光源装置
JP2015036118A (ja) * 2013-08-15 2015-02-23 國立成功大學Ｎａｔｉｏｎａｌ Ｃｈｅｎｇ Ｋｕｎｇ Ｕｎｉｖｅｒｓｉｔｙ 紫外レーザ滅菌システム
JP2018130131A (ja) * 2017-02-13 2018-08-23 エネフォレスト株式会社 室内殺菌装置
WO2019026431A1 (fr) * 2017-08-02 2019-02-07 日立造船株式会社 Appareil d'irradiation aux uv
JP2019033964A (ja) * 2017-08-18 2019-03-07 株式会社トクヤマ 殺菌及び／又は洗浄機能付き装置又は物品

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001171624A (ja) * 1999-12-16 2001-06-26 Econos Japan Co Ltd ボトル用キャップの殺菌方法並びにその殺菌装置
JP2004108685A (ja) * 2002-09-19 2004-04-08 Nippon Pmac Kk 除塵・脱臭・除菌機能付き空調装置
US20080310996A1 (en) * 2007-04-13 2008-12-18 Kim Darrick S H L Germicidal Floor System (GFS)
JP2013166132A (ja) * 2012-02-16 2013-08-29 Sharp Corp 紫外線光源装置
JP2015036118A (ja) * 2013-08-15 2015-02-23 國立成功大學Ｎａｔｉｏｎａｌ Ｃｈｅｎｇ Ｋｕｎｇ Ｕｎｉｖｅｒｓｉｔｙ 紫外レーザ滅菌システム
JP2018130131A (ja) * 2017-02-13 2018-08-23 エネフォレスト株式会社 室内殺菌装置
WO2019026431A1 (fr) * 2017-08-02 2019-02-07 日立造船株式会社 Appareil d'irradiation aux uv
JP2019033964A (ja) * 2017-08-18 2019-03-07 株式会社トクヤマ 殺菌及び／又は洗浄機能付き装置又は物品

Similar Documents

Publication Publication Date Title
JP2021020043A (ja) 殺菌装置
CN104755111B (zh) 空气净化装置
KR101459071B1 (ko) Uv led를 적용한 살균 필터 유닛을 구비한 에어컨
US20100092346A1 (en) Photocatalyst device using porous pipe and air purification apparatus using the same
JP5734198B2 (ja) 照明兼空気清浄器
US20150345746A1 (en) Illumination device for illuminating an illumination area
US20110005620A1 (en) Compressor with an internal disinfecting uv light source
US11384957B2 (en) Drain pan, drain pan unit, and air conditioner
WO2021020453A1 (fr) Appareil de stérilisation
US20220193299A1 (en) Air Sterilizing And Lighting Apparatus
KR101767510B1 (ko) 조명 장치
WO2021020454A1 (fr) Unité de visualisation uv et instrument électromécanique
KR100535889B1 (ko) 살균조명기구
EP4215219B1 (fr) Dispositif de stérilisation d'air et appareil de climatisation l'utilisant
KR20070088999A (ko) 살균 장치
KR200189202Y1 (ko) 공기 살균기
KR102526597B1 (ko) 디퓨저용 공기 살균 조립체 및 공기 살균 디퓨저
JP5539768B2 (ja) 照明装置
JP2023073727A (ja) 紫外線照射装置並びにこれを備える空気調和機用室内機、空気清浄機および住設用換気ダクト
JP2021164554A (ja) 室内照明空気浄化装置および空気浄化方法
US20230150553A1 (en) Air conditioning system for railway vehicle
CN114450034B (zh) 表面辐照装置
CN213713429U (zh) 一种消毒式空气净化器
EP4331719A1 (fr) Appareil d'irradiation par rayons ultraviolets
WO2023112235A1 (fr) Unité intérieure et climatiseur

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20847953

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20847953

Country of ref document: EP

Kind code of ref document: A1