WO2018168479A1 - Dispositif d'irradiation aux ultraviolets - Google Patents

Dispositif d'irradiation aux ultraviolets Download PDF

Info

Publication number
WO2018168479A1
WO2018168479A1 PCT/JP2018/007669 JP2018007669W WO2018168479A1 WO 2018168479 A1 WO2018168479 A1 WO 2018168479A1 JP 2018007669 W JP2018007669 W JP 2018007669W WO 2018168479 A1 WO2018168479 A1 WO 2018168479A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
fluid reservoir
ultraviolet
irradiation device
ultraviolet irradiation
Prior art date
Application number
PCT/JP2018/007669
Other languages
English (en)
Japanese (ja)
Inventor
坂本　泰之
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
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 WO2018168479A1 publication Critical patent/WO2018168479A1/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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light

Definitions

  • the present invention relates to an ultraviolet irradiation device for sterilizing bacteria and viruses in a fluid with ultraviolet rays.
  • Patent Documents 1 and 2 Conventionally, an ultraviolet irradiation device that irradiates a fluid with ultraviolet rays and sterilizes bacteria and viruses in the fluid with ultraviolet rays is known (see Patent Documents 1 and 2).
  • An ultraviolet irradiation device using an ultraviolet LED as an ultraviolet light source has a heat sink for radiating the ultraviolet LED disposed in the flow path in order to suppress the temperature rise of the ultraviolet LED and extend the life of the ultraviolet LED.
  • a technique for efficiently dissipating heat through the heat sink to the fluid that flows the heat of the LED to cool the ultraviolet LED see Patent Document 3).
  • the conventional ultraviolet irradiation device that dissipates the heat of the ultraviolet LED into the fluid cannot effectively use the heat of the ultraviolet LED for sterilization of viruses or the like in the fluid, and the energy use efficiency is low.
  • an object of the present invention is to provide an ultraviolet irradiation device that can effectively use the heat of the ultraviolet LED for sterilization of a virus or the like in a fluid and has high energy use efficiency.
  • the present invention relates to an ultraviolet irradiation device 1 that irradiates a fluid with ultraviolet rays.
  • the ultraviolet irradiation device 1 is configured to open and close the fluid reservoirs 2, 31, 37, 43 formed in the middle of the flow path 3 and the fluid inlet 4 of the fluid reservoirs 2, 31, 37, 43.
  • the valve 5, the second on-off valve 7 that opens and closes the fluid discharge port 6 of the fluid reservoirs 2, 31, 37, 43, and the fluid reservoir 2, disposed below the center of the interior of the fluid reservoirs 2, 31, 37, 43.
  • an ultraviolet LED 17 that irradiates ultraviolet rays upward of 31, 37, and 43.
  • the fluid reservoirs 2, 31, 37, and 43 have an ultraviolet reflecting surface on the inner wall surface.
  • the first on-off valve 5 closes the fluid inlet 4, the second on-off valve 7 closes the fluid outlet 6, and the fluid is confined in the fluid reservoirs 2, 31, 37, 43. It is designed to irradiate ultraviolet rays.
  • the ultraviolet irradiation device can uniformly irradiate the fluid with ultraviolet rays emitted from the ultraviolet LED by radiating the heat of the ultraviolet LED to the fluid in the fluid reservoir and convection with the fluid in the fluid reservoir.
  • the energy utilization efficiency can be increased, and the bactericidal effect of viruses and the like in the fluid can be improved.
  • FIG. 1 (a) is a view showing an ultraviolet irradiation apparatus according to an embodiment of the present invention
  • FIG. 1 (b) is an ultraviolet irradiation apparatus cut along the line A1-A1 of FIG. 1 (a).
  • FIG. It is a figure which shows the fluid reservoir which comprises the ultraviolet irradiation device which concerns on embodiment of this invention
  • Fig.2 (a) is a top view of a fluid reservoir
  • FIG.2 (b) is a front view of a fluid reservoir
  • FIG. 4 is a right side view of a fluid reservoir. It is a figure which shows the 1st modification of the ultraviolet irradiation device of this invention.
  • FIG. 4A is a plan view of the fluid reservoir
  • FIG. 4A is a plan view of the fluid reservoir
  • FIG. 4B is a front view of the fluid reservoir
  • FIG. 4C is a right side view of the fluid reservoir. is there. It is a figure which shows the 2nd modification of a fluid pool.
  • 5A is a plan view of the fluid reservoir
  • FIG. 5B is a front view of the fluid reservoir
  • FIG. 5C is a right side view of the fluid reservoir.
  • 6A is a plan view of the fluid reservoir
  • FIG. 6B is a front view of the fluid reservoir
  • FIG. 6C is a right side view of the fluid reservoir.
  • FIG. 1 is a diagram showing an ultraviolet irradiation apparatus 1 according to an embodiment of the present invention.
  • FIG. 2 is a figure which shows the fluid reservoir 2 which comprises the ultraviolet irradiation device 1 which concerns on embodiment of this invention.
  • 2A is a plan view of the fluid reservoir 2
  • FIG. 2B is a front view of the fluid reservoir 2
  • FIG. 2C is a right side view of the fluid reservoir 2.
  • the + Z direction indicates the upper side
  • the ⁇ Z direction indicates the lower side.
  • the + X direction indicates the direction opposite to the flow direction of the fluid (liquid or gas) in the flow path 3 (the direction toward the upstream side)
  • the ⁇ X direction indicates the flow of the fluid in the flow path 3.
  • the direction along the flow direction (the direction toward the downstream side) is shown.
  • a fluid reservoir 2 is formed in the middle of a flow path 3, and a fluid inlet 4 of the fluid reservoir 2 is opened and closed by a first on-off valve 5.
  • the outlet 6 is opened and closed by the second opening / closing valve 7.
  • the flow path 3 is roughly divided into an upstream flow path 3A connected to the fluid introduction port 4 of the fluid reservoir 2 and a downstream flow path 3B connected to the fluid discharge port 6 of the fluid reservoir 2.
  • the upstream flow path 3A is configured such that a fluid to be processed (liquid or gas) accommodated in the fluid storage container 8 is fed by a fluid supply means 10 (for example, a tubing pump).
  • the first on-off valve 5 has a rectangular first valve body 5A that opens and closes the round hole-shaped fluid inlet 4, and moves the first valve body 5A in the Z-axis direction (+ Z direction or -Z direction). 1st valve body drive part 5B.
  • the second on-off valve 7 includes a rectangular second valve body 7A for opening and closing the round hole-shaped fluid discharge port 6, and the second valve body 7A in the Z-axis direction (+ Z direction or -Z direction). And a second valve body drive unit 7B to be moved.
  • the first on-off valve 5 and the second on-off valve 7 exemplify normally closed type direct acting solenoid valves.
  • the first on-off valve 5 and the second on-off valve 7 are not limited thereto. Any device can be used as long as it can be reliably opened and closed by being controlled by a controller 11 described later.
  • the fluid reservoir 2 has a circular shape in plan view, except for the upstream flow path connection portion 12 and the downstream flow path connection portion 13.
  • the upstream flow path connecting portion 12 is formed so as to protrude from the side wall 14 of the fluid reservoir 2 along the + X direction.
  • the downstream side flow path connection portion 13 is formed so as to protrude from the side wall 14 of the fluid reservoir 2 along the ⁇ X direction.
  • the upper wall (ceiling wall) 15 of the fluid reservoir 2 is formed by rotating an upwardly convex smooth curve around the central axis 16 of the fluid reservoir 2 (the optical axis 18 of the ultraviolet LED 17).
  • the center 20 and the radially outer end 21 are located at substantially the same height (positioned at substantially the same height in the + Z direction), and intermediate between the center 20 and the radially outer end 21.
  • the position is the highest.
  • the lower wall (bottom wall) 22 of the fluid reservoir 2 is a curved wall formed by rotating a downwardly convex smooth curve around the central axis 16, and is formed radially outside the center 23.
  • the lateral end 24 is located at substantially the same height (positioned at substantially the same height in the ⁇ Z axis direction), and the intermediate position between the center 23 and the radially outer end 24 is the lowest.
  • the upper wall 15 and the lower wall 22 are connected by a cylindrical side wall 14 centered on the central axis 16, and the flow path center line 25 is a height position of the center 20 of the upper wall 15.
  • the upper wall 15 and the lower wall 22 have a line-symmetric cross-sectional shape with the flow path center line 25 as the axis of symmetry (FIG. 1 (a)). )reference).
  • the fluid reservoir 2 includes an ultraviolet reflecting surface (for example, an inner wall surface (ceiling surface) of the upper wall 15, an inner wall surface (bottom surface) of the lower wall 22, and an inner wall surface (inner surface) of the side wall 14 that reflects ultraviolet rays. The surface is covered with an ultraviolet reflecting member.
  • the light emitting element mounting base 26 is installed on the bottom surface of the lower wall 22, and the ultraviolet LED 17 is mounted on the light emitting element mounting base 26 so that the optical axis 18 of the ultraviolet LED 17 is positioned on the central axis 16.
  • the central axis 16 of the fluid reservoir 2 refers to a virtual axis that passes through the center of gravity of the fluid reservoir 2 and extends in the Z-axis (Z-axis in the orthogonal coordinate system of the three-dimensional space).
  • the optical axis 18 of the ultraviolet LED 17 refers to the traveling direction of light at the center of the three-dimensional emitted light beam from the ultraviolet LED 17.
  • the fluid reservoir 2 has an LED mounting surface 27 (surface on which the ultraviolet LED 17 is mounted) of the light emitting element mounting base 26 provided in parallel to the XY plane of the orthogonal coordinate system, and a heat sink on the LED mounting surface 27 of the light emitting element mounting base 26. 28 is provided.
  • the heat sink 28 is formed of a metal material (for example, aluminum) having a good thermal conductivity like the light emitting element mounting base 26, and a plurality of plate-like fins 29 are arranged in parallel to the flow path center line 25. .
  • the heat sink 28 is formed so as to be line symmetric with respect to the flow path center line 25 when the fluid reservoir 2 is viewed in plan so as not to obstruct the three-dimensional emitted light beam from the ultraviolet LED 17. Further, the distance from the ultraviolet LED 17 and the height from the light emitting element mounting base 26 are determined. Such a heat sink 28 is located below the inside of the fluid reservoir 2.
  • the operation of the first on-off valve 5, the second on-off valve 7, the fluid supply means 10, and the ultraviolet LED 17 is controlled by the controller 11.
  • the first on-off valve 5 closes the fluid inlet 4 of the fluid reservoir 2
  • the second on-off valve 7 closes the fluid outlet 6 of the fluid reservoir 2.
  • the start button (not shown) is pressed in the ultraviolet irradiation device 1
  • the first valve body drive unit 5B of the first on-off valve 5 is energized based on the control signal from the controller 11, and the first valve body 5A is energized. Is moved to a position where the fluid inlet 4 of the fluid reservoir 2 is opened.
  • the ultraviolet irradiation device 1 operates when the fluid supply unit 10 is energized based on a control signal from the controller 11, and the fluid to be treated stored in the fluid storage container 8 flows upstream by the fluid supply unit 10. It is fed into the fluid reservoir 2 through the passage 3A and the fluid inlet 4.
  • the ultraviolet irradiation device 1 When a predetermined amount of fluid to be treated is fed into the fluid reservoir 2 by the fluid supply means 10, the ultraviolet irradiation device 1 sends a control signal from the controller 11 to the first valve body drive unit 5 ⁇ / b> B of the first on-off valve 5.
  • the first valve body 5A closes the fluid inlet 4 of the fluid reservoir 2, and the energization of the fluid supply means 10 is interrupted based on a control signal from the controller 11 (the fluid supply means 10 Stopped).
  • the ultraviolet irradiation device 1 the fluid introduction port 4 of the fluid reservoir 2 is closed by the first valve body 5A, and the fluid discharge port 6 of the fluid reservoir 2 is closed by the second valve body 7A.
  • a predetermined amount of fluid to be treated is confined inside.
  • the energization switch 30 is turned on by the controller 11, the ultraviolet LED 17 is energized, and ultraviolet rays are emitted from the ultraviolet LED 17 toward the upper side of the fluid reservoir 2.
  • the ultraviolet light emitted from the ultraviolet LED 17 is repeatedly reflected on the inner wall surface of the fluid reservoir 2 and evenly irradiated to the fluid to be treated confined in the fluid reservoir 2, so that the fluid to be treated is efficiently sterilized by the ultraviolet rays.
  • the ultraviolet LED 17 generates heat while the ultraviolet LED 17 is energized and emits ultraviolet rays.
  • the heat of the ultraviolet LED 17 is transferred to the light emitting element mounting base 26 and the heat sink 28, and is dissipated from the light emitting element mounting base 26 and the heat sink 28 to the fluid to be processed in the fluid reservoir 2.
  • the fluid to be treated in the fluid reservoir 2 is heated in the vicinity of the light emitting element mounting base 26 and the heat sink 28 and cooled by the upper wall 15 and the side wall 14 apart from the light emitting element mounting base 26 and the heat sink 28.
  • the ultraviolet irradiation device 1 has the effect that the ultraviolet light emitted from the ultraviolet LED 17 is reflected by the reflecting member in the fluid reservoir 2 and is evenly irradiated to the fluid to be treated, and the fluid to be treated in the fluid reservoir 2 is the ultraviolet LED 17. Combined with the effect of stirring by the heat generated from the heat, the fluid to be treated can be sterilized more efficiently.
  • the ultraviolet irradiation device 1 convection of the fluid to be processed is generated inside the fluid reservoir 2, and heat generated from the ultraviolet LED 17 is efficiently transferred to the fluid to be processed through the light emitting element mounting base 26 and the heat sink 28. .
  • the ultraviolet LED 17 is effectively cooled by the fluid to be treated that convects inside the fluid reservoir 2, and can prevent a decrease in life due to heat generation.
  • the ultraviolet irradiation device 1 radiates the heat of the ultraviolet LED 17 to the fluid to be processed in the fluid reservoir 2 and convects the fluid to be processed in the fluid reservoir 2, thereby
  • the emitted ultraviolet light can be uniformly applied to the fluid to be treated, energy utilization efficiency can be increased, and the sterilizing effect of viruses and the like in the fluid to be treated can be improved.
  • FIG. 3 is a diagram showing an ultraviolet irradiation device 1 according to a first modification of the embodiment.
  • FIG. 4 is a figure which shows the fluid reservoir 31 which comprises the ultraviolet irradiation device 1 which concerns on this modification.
  • 4A is a plan view of the fluid reservoir 31
  • FIG. 4B is a front view of the fluid reservoir 31
  • FIG. 4C is a right side view of the fluid reservoir 31.
  • the + Z direction indicates the upper side
  • the ⁇ Z direction indicates the lower side.
  • the + X direction indicates the direction opposite to the flow direction of the fluid in the flow path 3 (the direction toward the upstream side)
  • the ⁇ X direction indicates the direction along the flow direction of the fluid in the flow path 3. (Direction toward the downstream side) is shown.
  • the fluid reservoir 31 is a first modification of the fluid reservoir 2 according to the above embodiment, and the shape of the fluid reservoir 31 is the ultraviolet radiation according to the above embodiment.
  • the configuration other than the fluid reservoir 31 is the same as that of the fluid reservoir 2 of the ultraviolet irradiation device 1 according to the above embodiment. Therefore, in the ultraviolet irradiation device 1 according to this modification shown in FIGS. 3 and 4, the same components as those of the ultraviolet irradiation device 1 according to the embodiment shown in FIGS. The description which overlaps with the description of the ultraviolet irradiation device 1 according to the embodiment is omitted.
  • the fluid reservoir 31 of the ultraviolet irradiation device 1 has a circular shape in plan view, except for the upstream flow path connection portion 12 and the downstream flow path connection portion 13.
  • the upper wall (ceiling wall) 32 of the fluid reservoir 31 is a curved wall formed by rotating an upwardly convex smooth curve around the central axis 16 of the fluid reservoir 31 (the optical axis 18 of the ultraviolet LED 17). (A wall obtained by cutting off a part of a spherical surface), and is formed such that the position on the central axis 16 is the highest and the position of the radially outer end 21 is the lowest.
  • the lower wall (bottom wall) 33 of the fluid reservoir 31 is a curved wall formed by rotating a downward convex smooth curve around the central axis 16, and the position on the central axis 16. Is the lowest, and the position of the radially outer end 24 is the highest.
  • the upper wall 32 and the lower wall 33 are connected by a cylindrical side wall 34 centered on the central axis 16, and the flow path center line 25 is at a height position of the center 35 of the upper wall 32.
  • the upper wall 32 and the lower wall 33 have a line-symmetric cross-sectional shape with the flow path center line 25 as the axis of symmetry (see FIG. 3). .
  • the inner wall surface (ceiling surface) of the upper wall 32, the inner wall surface (bottom surface) of the lower wall 33, and the inner wall surface (inner surface) of the side wall 34 are ultraviolet reflecting surfaces.
  • the fluid reservoir 31 has the light emitting element mounting base 26 installed at the center of the bottom surface, and the ultraviolet LED 17 is attached to the light emitting element mounting base 26 so that the optical axis 18 of the ultraviolet LED 17 is positioned on the central axis 16. .
  • the LED mounting surface 27 of the light emitting element mounting base 26 is provided in parallel with the XY plane of the orthogonal coordinate system, and the heat sink 28 is provided on the LED mounting surface 27 of the light emitting element mounting base 26.
  • the heat sink 28 is made of a metal material (for example, aluminum) having a good thermal conductivity, and is located below the fluid reservoir 31.
  • heat generated from the ultraviolet LED 17 is transferred to the fluid to be processed in the fluid reservoir 31 through the light emitting element mounting base 26 and the heat sink 28, Similar to the ultraviolet irradiation device 1 according to the above embodiment, convection occurs in the fluid to be processed inside the fluid reservoir 31.
  • the ultraviolet irradiation device 1 dissipates the heat of the ultraviolet LED 17 to the fluid to be processed in the fluid reservoir 31, and the fluid to be processed in the fluid reservoir 31 is discharged.
  • the ultraviolet irradiation device 1 dissipates the heat of the ultraviolet LED 17 to the fluid to be processed in the fluid reservoir 31, and the fluid to be processed in the fluid reservoir 31 is discharged.
  • it is possible to uniformly irradiate the fluid to be treated with the ultraviolet rays emitted from the ultraviolet LED 17, improve the energy utilization efficiency, and improve the sterilizing effect of viruses and the like in the fluid to be treated. it can.
  • FIG. 5 is a view showing a fluid reservoir 37 according to a second modification of the fluid reservoir 2 of the ultraviolet irradiation device 1 according to the embodiment.
  • 5A is a plan view of the fluid reservoir 37
  • FIG. 5B is a front view of the fluid reservoir 37
  • FIG. 5C is a right side view of the fluid reservoir 37. It is.
  • the same reference numerals are given to the components common to the fluid reservoir 2 of the ultraviolet irradiation device 1 according to the above embodiment, and the fluid reservoir 2 of the ultraviolet irradiation device 1 according to the above embodiment. A duplicate description is omitted.
  • the fluid reservoir 37 according to this modification is formed in a conical shape with the upper wall 38 facing the apex 40, and the apex 40 of the cone is on the central axis 16 (the optical axis 18 of the ultraviolet LED 17). It is formed so that it may be located in. Further, the fluid reservoir 37 according to this modification is formed in a conical shape with the lower wall 41 having the apex 42 downward, and the apex 42 of the cone is positioned on the central axis 16 (the optical axis 18 of the ultraviolet LED 17). Is formed.
  • the ultraviolet LED 17 is attached to the center of the inner surface of the lower wall 41 via the light emitting element mounting base 26 (the optical axis 18 of the ultraviolet LED 17 is positioned concentrically with the central axis 16 of the fluid reservoir 37).
  • the ultraviolet LED 17 is positioned below the fluid reservoir 37 (below the flow path center line 25), and the ultraviolet light is irradiated upward from the ultraviolet LED 17.
  • the fluid reservoir 37 is provided with a heat sink 28 on the LED mounting surface 27 of the light emitting element mounting base 26.
  • the ultraviolet irradiation device 1 provided with the fluid reservoir 37 according to the present modification radiates the heat of the ultraviolet LED 17 to the fluid to be treated in the fluid reservoir 37, as in the ultraviolet irradiation device 1 according to the above-described embodiment.
  • By convection of the fluid to be treated it is possible to uniformly irradiate the fluid to be treated with the ultraviolet light emitted from the ultraviolet LED 17, improve the energy utilization efficiency, and sterilize the virus or the like in the fluid to be treated. Can be improved.
  • FIG. 6 is a view showing a fluid reservoir 43 according to a third modification of the fluid reservoir 2 of the ultraviolet irradiation device 1 according to the embodiment.
  • 6 (a) is a plan view of the fluid reservoir 43
  • FIG. 6 (b) is a front view of the fluid reservoir 43
  • FIG. 6 (c) is a right side view of the fluid reservoir 43. It is.
  • the same reference numerals are given to the same components as the fluid reservoir 2 of the ultraviolet irradiation device 1 according to the above embodiment, and the fluid reservoir 2 of the ultraviolet irradiation device 1 according to the above embodiment. A duplicate description is omitted.
  • the fluid reservoir 43 has a cubic shape, and an upper wall 44 and a lower wall 45 are formed in parallel with the XY plane, and four side walls (a front side wall 46a, a left side wall 46b, The rear side wall 46c and the right side wall 46d) are formed so as to be orthogonal to the upper wall 44 and the lower wall 45.
  • the upstream flow path connection part 12 is formed in the center of the right side wall 46d
  • the downstream flow path connection part 13 is formed in the center of the left side wall 46b.
  • the ultraviolet LED 17 is attached to the center of the inner surface of the lower wall 45 via the light emitting element mounting base 26 (so that the optical axis 18 of the ultraviolet LED 17 is located concentrically with the central axis 16 of the fluid reservoir 43).
  • the ultraviolet LED 17 is positioned below the fluid reservoir 43 (below the flow path center line 25), and is irradiated with ultraviolet rays upward from the ultraviolet LED 17.
  • the fluid reservoir 43 is provided with a heat sink 28 on the LED mounting surface 27 of the light emitting element mounting base 26.
  • the ultraviolet irradiation device 1 provided with the fluid reservoir 43 according to this modification radiates the heat of the ultraviolet LED 17 to the fluid to be processed in the fluid reservoir 43 in the same manner as the ultraviolet irradiation device 1 according to the above embodiment, and the fluid reservoir 43.
  • the ultraviolet light emitted from the ultraviolet LED 17 can be uniformly applied to the fluid to be treated, energy utilization efficiency can be improved, and sterilization of viruses and the like in the fluid to be treated can be achieved. The effect can be improved.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Toxicology (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un dispositif d'irradiation aux ultraviolets dans lequel la chaleur provenant d'une diode électroluminescente (DEL) ultraviolette peut être efficacement utilisée pour stériliser des virus ou similaires dans un fluide, et qui présente un rendement énergétique élevé. La solution selon l'invention porte sur un dispositif d'irradiation aux ultraviolets 1 qui comprend : un réservoir de fluide 2 formé au milieu d'un passage d'écoulement 3; une première vanne d'ouverture/fermeture 5 qui ouvre/ferme un orifice d'entrée de fluide 4 du réservoir de fluide 2; une seconde vanne d'ouverture/fermeture 7 qui ouvre/ferme un orifice d'évacuation de fluide 6 du réservoir de fluide 2; et une DEL ultraviolette 17 qui est disposée dans une partie inférieure centrale à l'intérieur du réservoir de fluide 2 et émet des rayons ultraviolets vers la partie supérieure du réservoir de fluide 2. Le réservoir de fluide 2 a une surface de paroi interne servant de surface de réflexion ultraviolette. De plus, la DEL ultraviolette 17 est configurée pour émettre les rayons ultraviolets tandis que la première vanne d'ouverture/fermeture 5 ferme l'orifice d'entrée de fluide 4 et la seconde vanne d'ouverture/fermeture 7 ferme l'orifice d'évacuation de fluide 6 pour confiner un fluide dans le réservoir de fluide 2.
PCT/JP2018/007669 2017-03-15 2018-03-01 Dispositif d'irradiation aux ultraviolets WO2018168479A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017049307A JP2018149213A (ja) 2017-03-15 2017-03-15 紫外線照射装置
JP2017-049307 2017-03-15

Publications (1)

Publication Number Publication Date
WO2018168479A1 true WO2018168479A1 (fr) 2018-09-20

Family

ID=63522202

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/007669 WO2018168479A1 (fr) 2017-03-15 2018-03-01 Dispositif d'irradiation aux ultraviolets

Country Status (2)

Country Link
JP (1) JP2018149213A (fr)
WO (1) WO2018168479A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023276524A1 (fr) * 2021-06-30 2023-01-05 株式会社エンプラス Dispositif de stérilisation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021070350A1 (fr) * 2019-10-10 2021-04-15 株式会社エンプラス Dispositif de stérilisation par rayons ultraviolets et dispositif d'irradiation de rayons ultraviolets
JP7509074B2 (ja) 2021-04-14 2024-07-02 豊田合成株式会社 流体殺菌装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013220126A (ja) * 2012-04-13 2013-10-28 Panasonic Corp 紫外線殺菌装置
JP2014221445A (ja) * 2013-05-13 2014-11-27 国立大学法人埼玉大学 紫外線照射水処理装置
US20160083271A1 (en) * 2014-09-19 2016-03-24 PlayNitride Inc. Sterilization apparatus having ultraviolet light
JP2017051887A (ja) * 2015-09-07 2017-03-16 日機装株式会社 殺菌装置
JP2017219452A (ja) * 2016-06-09 2017-12-14 株式会社日立ハイテクノロジーズ 自動分析装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013220126A (ja) * 2012-04-13 2013-10-28 Panasonic Corp 紫外線殺菌装置
JP2014221445A (ja) * 2013-05-13 2014-11-27 国立大学法人埼玉大学 紫外線照射水処理装置
US20160083271A1 (en) * 2014-09-19 2016-03-24 PlayNitride Inc. Sterilization apparatus having ultraviolet light
JP2017051887A (ja) * 2015-09-07 2017-03-16 日機装株式会社 殺菌装置
JP2017219452A (ja) * 2016-06-09 2017-12-14 株式会社日立ハイテクノロジーズ 自動分析装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023276524A1 (fr) * 2021-06-30 2023-01-05 株式会社エンプラス Dispositif de stérilisation

Also Published As

Publication number Publication date
JP2018149213A (ja) 2018-09-27

Similar Documents

Publication Publication Date Title
TWI702190B (zh) 用於流體處理之方法、系統及裝置
WO2018168479A1 (fr) Dispositif d'irradiation aux ultraviolets
JP6978341B2 (ja) 流体殺菌装置
CN107921157B (zh) 杀菌装置
JP6374403B2 (ja) 発光ダイオードから放射された光による液体消毒方法及び装置
CN107921159B (zh) 杀菌装置
JP6373792B2 (ja) 殺菌装置
JP2019098055A (ja) 流体殺菌装置
WO2013153728A1 (fr) Dispositif de stérilisation par rayons ultraviolets
JP6963956B2 (ja) 紫外線殺菌装置および紫外線照射装置
JP7370261B2 (ja) 流体殺菌装置及び流体殺菌ユニット
JP2020039800A (ja) 流体殺菌装置
WO2021085143A1 (fr) Dispositif de stérilisation de fluide
JP2020112314A (ja) 加湿器および加湿器の制御方法
JP7213682B2 (ja) 加湿器
JP2018033744A (ja) 殺菌装置
US20220202971A1 (en) Sterilization device
JP2019147114A (ja) 流体殺菌装置
JP6651569B2 (ja) 浄水製造装置
JP7071144B2 (ja) 紫外線殺菌装置および紫外線照射装置
JP2020014647A (ja) 紫外線殺菌装置および紫外線照射装置
JP7399007B2 (ja) オゾン生成装置および放電ランプ装置
EP4215219A1 (fr) Dispositif de stérilisation d'air et appareil de climatisation l'utilisant
US20240240817A1 (en) Air Sterilization Apparatus and Air Conditioner Using Same
WO2021070350A1 (fr) Dispositif de stérilisation par rayons ultraviolets et dispositif d'irradiation de rayons ultraviolets

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: 18766607

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: 18766607

Country of ref document: EP

Kind code of ref document: A1