WO2020121934A1 - 紫外線照射装置 - Google Patents

紫外線照射装置 Download PDF

Info

Publication number
WO2020121934A1
WO2020121934A1 PCT/JP2019/047577 JP2019047577W WO2020121934A1 WO 2020121934 A1 WO2020121934 A1 WO 2020121934A1 JP 2019047577 W JP2019047577 W JP 2019047577W WO 2020121934 A1 WO2020121934 A1 WO 2020121934A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode block
discharge lamp
discharge
electrode
irradiation device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2019/047577
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
谷口　真司
英昭 柳生
森　学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ushio Denki KK
Original Assignee
Ushio Denki KK
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 Ushio Denki KK filed Critical Ushio Denki KK
Priority to US17/312,589 priority Critical patent/US11469093B2/en
Priority to CN201980052924.7A priority patent/CN112585719B/zh
Publication of WO2020121934A1 publication Critical patent/WO2020121934A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
    • 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
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps

Definitions

  • the present invention relates to an ultraviolet irradiation device.
  • FIG. 18 is a drawing schematically showing the structure of a small ultraviolet irradiation device disclosed in Patent Document 2.
  • the ultraviolet irradiation device 100 includes a lamp housing portion 103 housed in a housing 102 including a grip portion 101, and a light irradiation window 104.
  • An excimer lamp 110 that emits ultraviolet rays is built in the lamp housing portion 103.
  • FIG. 19 is a drawing schematically showing the structure of the excimer lamp 110.
  • the excimer lamp 110 has a cylindrical outer tube 121, and a cylindrical inner tube 122 that is arranged coaxially with the outer tube 121 inside the outer tube 121 and has an inner diameter smaller than that of the outer tube 121.
  • the outer tube 121 and the inner tube 122 are sealed at the ends in the direction d1, and an annular light emitting space is formed between them, and a discharge gas 123G is enclosed in the space.
  • a net-shaped or mesh-shaped outer electrode 124 is provided on the outer wall surface of the outer tube 121, and a film-shaped inner electrode 125 is provided on the inner wall surface of the inner tube 122.
  • the outer electrode 124 and the inner electrode 125 are electrically connected to a power supply unit 126 that can generate a high-frequency AC voltage.
  • a high-frequency AC voltage is applied between the outer electrode 124 and the inner electrode 125 by the power supply unit 126, so that a voltage is applied to the discharge gas 123G through the tubular bodies of the outer tube 121 and the inner tube 122.
  • Discharge plasma is generated in the discharge space in which the discharge gas 123G is enclosed.
  • atoms of the discharge gas 123G are excited to be in an excimer state, and excimer light emission is generated when the atoms transition to the ground state.
  • the wavelength of excimer light emission can be changed according to the type of gas used as the discharge gas 123G.
  • Patent Document 1 describes that by using krypton chloride (KrCl) gas as the discharge gas 123G, ultraviolet rays having a main emission wavelength of 222 nm suitable for sterilization can be obtained.
  • KrCl krypton chloride
  • the excimer lamp 110 shown in FIG. 19 has two types of tubular bodies (121, 122) arranged coaxially. For this reason, the housing 102 that houses the excimer lamp 110 must be secured to a certain size.
  • the ultraviolet irradiation device 100 described in Patent Document 2 is assumed to be used for treatment of skin diseases, and the user and the usage situation are limited.
  • the structure of the excimer lamp 110 as shown in FIG. 19 is too large as an ultraviolet irradiation device used for wider and more general sterilization and deodorization. For example, when it is desired to sterilize or deodorize the inside of shoes, it is practically difficult to use the ultraviolet irradiation device 100 shown in FIG.
  • an object of the present invention to provide an ultraviolet irradiation device that is significantly smaller than the conventional structure.
  • the ultraviolet irradiation device Separated in the first direction, or arranged in an electrically insulated state in the first direction, a first electrode block and a second electrode block, On each side surface of the first electrode block and the second electrode block, a groove formed to extend in the first direction, A part is fitted into the groove formed in both the first electrode block and the second electrode block, and extends in the first direction so as to straddle the first electrode block and the second electrode block.
  • First discharge lamp consisting of an excimer lamp, A power supply unit for supplying power to the first discharge lamp, A first current-carrying member that electrically connects the first electrode block and the power supply unit, The second electrode block and the power supply unit, a second conductive member that can be electrically connected at a potential different from the first conductive member, Ultraviolet rays emitted from the first discharge lamp, which are formed on the side opposite to the first electrode block as viewed from the first discharge lamp and on the side opposite to the second electrode block viewed from the first discharge lamp. And a light irradiation window for extracting the light to the outside.
  • the first discharge lamp is partially fitted in the recessed groove formed in both the first electrode block and the second electrode block, so as to straddle both the first electrode block and the second electrode block. It is arranged. Therefore, the first discharge lamp does not need to adopt a double tube structure as in the conventional case, because it is possible to discharge with a simple straight tube type structure.
  • the size of the tube body of the first discharge lamp is such that the length in the first direction is 15 mm or more and 200 mm or less and the outer diameter is 2 mm or more and 16 mm or less.
  • the contact area between the concave groove formed in the first electrode block and the first discharge lamp is one electrode (hereinafter, referred to as “first electrode”). Area)), and the contact area between the concave groove formed in the second electrode block and the first discharge lamp (more specifically, the tube body of the first discharge lamp) is the other electrode (hereinafter, referred to as “area”). “Second electrode region”) is formed.
  • the first electrode block and the second electrode block are separated from each other in the first direction or are electrically insulated from each other in the first direction, so that they are not short-circuited. Further, because of such a configuration, the first electrode region and the second electrode region are formed at positions separated in the first direction on the side surface of the tube body of the first discharge lamp.
  • the potential difference is provided between the potential applied from the power supply unit to the first electrode block through the first conducting member and the potential applied from the power supply unit to the second electrode block through the second conducting member.
  • a voltage is applied to the first discharge lamp between the first electrode region and the second electrode region that are separated in the first direction. As a result, discharge is generated in the first discharge lamp, and ultraviolet rays are emitted.
  • the light irradiation window is formed on the opposite side of the first electrode block from the first discharge lamp and on the opposite side of the second electrode block from the first discharge lamp. Therefore, the ultraviolet rays emitted from the first discharge lamp are taken out of the device from the side not blocked by the first electrode block and the second electrode block.
  • the first electrode block and the second electrode block may be entirely made of a conductive material.
  • the first electrode block is entirely composed of an insulating member, and has a region to which the first current-carrying member is connected (hereinafter, referred to as “first specific region”) and a first electrode region.
  • first specific region a region to which the first current-carrying member is connected
  • first electrode region a region to which the first current-carrying member is connected
  • a conductive sheet member may be formed. At this time, for example, a conductive sheet member may be connected so that the first specific region and the first electrode region are electrically connected.
  • the second electrode block is entirely made of an insulating member, while the second electrode region is electrically conductive in a region to which the second current-carrying member is connected (hereinafter, referred to as “second specific region”).
  • the sheet member may be formed.
  • a conductive sheet member may be connected so that the second specific region and the second electrode region are electrically connected.
  • the first electrode block and the second electrode block may be made of a metal member having reflectivity for the light emitted from the discharge lamp.
  • the ultraviolet rays that proceed toward the first electrode block and the second electrode block can be returned to the light irradiation window side, and the light to the outside can be emitted. Take-out is improved.
  • the first current-carrying member includes a first screw member that is inserted into a predetermined portion of the first electrode block, and a first wire that connects the first screw member and the power supply unit
  • the second current-carrying member may include a second screw member that is inserted into a predetermined portion of the second electrode block, and a second wire that connects the second screw member and the power supply unit. Absent.
  • the first discharge lamp is arranged so as to straddle each electrode block while being fitted in the groove formed in each electrode block. Then, as described above, the contact region between the first discharge lamp and the concave groove formed in each electrode block constitutes an electrode region (first electrode region, second electrode region) for performing discharge. .. Therefore, it is preferable that the contact state between the first discharge lamp and each electrode block is stably maintained. From this point of view, it is preferable that the ultraviolet irradiation device is provided with a holding member for pressing the first discharge lamp against each electrode block from a position opposite to each electrode block, for each electrode block.
  • the holding member has a lamp pressing portion having a curved shape so as to be able to crawl on a part of the outer surface of the tube body of the first discharge lamp in a partial area. Further, in order to sufficiently exert the function of pressing the first discharge lamp against each electrode block by the lamp pressing portion, the holding member is screwed to each electrode block at a position different from the lamp pressing portion. preferable.
  • each electrode block is preferably screwed to the first discharge lamp via a holding member, and as long as this is the case, each electrode block is planned to be threaded.
  • the first electrode block is additionally formed with a screw thread for mounting the first screw member as the first current-carrying member at a position different from the screw thread position for screwing the holding member. Just keep it.
  • a screw thread for mounting the second screw member as the second current-carrying member is additionally provided at a position different from the screw thread position for screwing the holding member. It should be formed. That is, according to the above configuration, it is possible to secure the electrical connection between the power supply unit and each electrode block with a simple structure without complicating the manufacturing process.
  • the ultraviolet irradiation device may include a number of the first discharge lamps corresponding to the number of the concave grooves formed in each of the first electrode block and the second electrode block.
  • the ultraviolet irradiation device, Starting voltage is lower than the first discharge lamp, having a second discharge lamp,
  • Each of the first electrode block and the second electrode block, when viewed from the first direction, the recessed groove is formed in a plurality of locations separated from each other,
  • the number of the recessed grooves formed in each of the first electrode block and the second electrode block may correspond to the total number of the first discharge lamps and the second discharge lamps. Absent.
  • the second discharge lamp is composed of, for example, an external electrode type discharge lamp.
  • the number of the first discharge lamps may be greater than or equal to the number of the second discharge lamps.
  • the first discharge lamp has a tube body filled with a first discharge gas capable of emitting ultraviolet rays
  • the second discharge lamp may have a tube body filled with a second discharge gas capable of emitting visible light.
  • the second discharge lamp has a function as a light source for starting confirmation and a function as a light source for lighting confirmation for visually confirming that the first discharge lamp is lit. be able to.
  • an ultraviolet irradiation device including a light source for lighting confirmation is realized while suppressing the expansion of the device scale.
  • the first discharge gas contains Kr and Cl
  • the second discharge gas may contain Ne.
  • the first discharge lamp When the first discharge gas contains Kr and Cl, the first discharge lamp produces ultraviolet rays having a main emission wavelength of 222 nm. If the wavelength of the ultraviolet ray is 230 nm or less, it is not absorbed by the keratin of the skin and does not reach the epidermal cells. Therefore, even if the ultraviolet ray is applied to the human body, the influence on the cells of the human body is suppressed. Therefore, it can be used for general consumers such as sterilization and deodorization of daily necessities.
  • the power supply unit includes a battery and an electrical component that transforms a voltage supplied from the battery, The ultraviolet irradiation device, A battery accommodating portion for accommodating the battery, An electric component housing portion that is arranged at a position separated from the battery housing portion and that accommodates the electric component, The battery housing portion and the electrical equipment housing portion are arranged apart from each other, housing the first electrode block, the second electrode block, and the first discharge lamp, and the light irradiation window at a part thereof.
  • a lamp housing part formed with It may have the battery accommodating portion, the electrical component accommodating portion, and a casing member that accommodates the lamp accommodating portion.
  • the size can be significantly reduced as compared with the conventional structure.
  • FIG. 4 is a partially enlarged view of FIG. 3. It is drawing which shows typically the positional relationship of a 1st discharge lamp and an electrode block. It is drawing which shows typically the positional relationship of a 2nd discharge lamp and an electrode block.
  • FIG. 8 is a schematic plan view when FIG. 7 is viewed from the ⁇ X direction.
  • FIG. 8 is a schematic plan view when FIG. 7 is viewed from the +X direction.
  • FIG. 11 is a schematic perspective view of an electrode block, which is shown in a different viewing direction from that in FIG. 10. It is a perspective view which abbreviate
  • FIG. 13 is a perspective view schematically showing the connection relationship of the discharge lamps, with the electrode block omitted, and is shown in a different viewing direction from FIG. 12.
  • FIG. 10 is a schematic cross-sectional view taken along line X1-X1 in FIG.
  • FIG. 10 is a schematic sectional view taken along line X2-X2 in FIG. 9. It is drawing which shows typically the positional relationship of an electrode block and a discharge lamp with which the ultraviolet irradiation device of another embodiment is equipped.
  • 7 is another drawing schematically showing a positional relationship between an electrode block and a discharge lamp included in the ultraviolet irradiation device according to another embodiment.
  • It is a perspective view which shows typically the structure of the electrode block with which the ultraviolet irradiation device of another embodiment is equipped.
  • FIGS. 1 to 15 The configuration of the ultraviolet irradiation device according to the present invention will be described with reference to each of FIGS. 1 to 15. Note that the following drawings are schematically illustrated, and the dimensional ratios in the drawings do not necessarily match the actual dimensional ratios. In addition, the dimensional ratios do not always match between the drawings.
  • FIG. 1 and 2 are perspective views schematically showing the configuration of the ultraviolet irradiation device according to the present invention.
  • description will be given with reference to an XYZ coordinate system in which an ultraviolet ray extraction direction is an X direction, and two directions orthogonal to the X direction are a Y direction and a Z direction.
  • the Y direction corresponds to the “first direction”.
  • the ultraviolet irradiation device 1 has a casing member 3.
  • the casing member 3 accommodates the battery accommodating portion 9, the electrical component accommodating portion 13, and the lamp accommodating portion 17 inside.
  • the lamp housing portion 17 houses discharge lamps (21, 22) described later with reference to FIG.
  • the battery 7 is accommodated in the battery accommodating portion 9.
  • the electrical equipment housing portion 13 houses the electrical equipment body 11 including a transformer for transforming the voltage supplied from the battery 7. The voltage transformed by the electric component 11 is supplied to the discharge lamps (21, 22), and the discharge lamps (21, 22) are turned on.
  • the battery 7 and the electrical component 11 constitute the power supply unit 10.
  • the electrical equipment housing portion 13 is arranged at a position in the +Y direction with respect to the battery housing portion 9, and the lamp housing portion 17 is arranged at a position in the +Y direction with respect to the electrical equipment housing portion 13. ..
  • the power button 5 is arranged on a part of the surface of the casing member 3.
  • an electrical connection is formed between the power supply unit 10 and the discharge lamps (21, 22), and the discharge lamps (21, 22) start lighting.
  • a light irradiation window 15 for extracting ultraviolet rays is formed in a part of the casing member 3.
  • the light irradiation window 15 is made of a material that transmits ultraviolet rays, and is made of, for example, quartz glass.
  • the ultraviolet rays are extracted in the +X direction. Therefore, the light irradiation window 15 is provided only on one YZ plane side of the casing member 3.
  • the extraction direction of ultraviolet rays is not limited to one direction, and the present invention does not exclude a configuration in which ultraviolet rays are extracted in a plurality of directions. Such a configuration will be described later in the section of another embodiment.
  • FIG. 3 is a schematic plan view of the ultraviolet irradiation device 1 when viewed from the +X direction, and the light irradiation window 15 is omitted for convenience of explanation.
  • a discharge lamp 21 that emits ultraviolet rays hereinafter, referred to as “first discharge lamp 21 ”
  • second discharge a discharge lamp 22 that emits visible light
  • the ultraviolet irradiation device 1 of the present embodiment has, for example, two first discharge lamps 21 and one second discharge lamp 22.
  • the two first discharge lamps 21 are arranged side by side in the Z direction.
  • first discharge lamp 21a first discharge lamp
  • first discharge lamp 21b first discharge lamp
  • Both the first discharge lamp 21 and the second discharge lamp 22 are configured to discharge and emit light when supplied with power from the power supply unit 10.
  • FIG. 4 is an enlarged view of the vicinity of the discharge lamps (21, 22) from FIG.
  • the ultraviolet irradiation device 1 of the present embodiment has two electrode blocks (31, 32) that are spaced apart in the Y direction. Both discharge lamps (21, 22) are arranged so as to straddle these two electrode blocks (31, 32) while being in contact therewith.
  • the positional relationship between the electrode blocks (31, 32) and the discharge lamps (21, 22) will be described with reference to FIGS. 5 and 6.
  • the electrode block 31 may be called “the 1st electrode block 31," and the electrode block 32 may be called the "2nd electrode block 32.”
  • FIG. 5 is a drawing schematically showing the positional relationship between the first discharge lamp 21 and the electrode blocks (31, 32).
  • FIG. 6 is a drawing schematically showing the positional relationship between the second discharge lamp 22 and the electrode blocks (31, 32).
  • the electrode blocks (31, 32) are each formed with a groove extending in the Y direction.
  • the first discharge lamp 21 has a tube body 25 (hereinafter referred to as “first tube body 25”) in which the first discharge gas 21G is sealed.
  • the first tubular body 25 is placed in contact with a part of the electrode block (31, 32) in such a manner that the first tubular body 25 is fitted into the groove formed in the electrode block (31, 32).
  • the first electrode region 61 formed by the contact portion between the first tubular body 25 and the first electrode block 31 and the second electrode region formed by the contact portion between the first tubular body 25 and the second electrode block 32 When a voltage is applied between the electrode region 62 and the electrode region 62, the first discharge gas 21G undergoes excimer discharge and light emission occurs in the first tubular body 25. That is, the first discharge lamp 21 is composed of an excimer lamp.
  • the first discharge gas 21G is made of a material that can emit ultraviolet rays by discharge.
  • the first discharge gas 21G is, for example, a rare gas such as xenon (Xe), argon (Ar), neon (Ne), krypton (Kr) or a mixed gas thereof, and fluorine (F), chlorine (Cl), A halogen gas such as bromine (Br) or a mixed gas thereof is included.
  • the first discharge gas 21G is composed of a mixed gas containing Kr and Cl. In this case, the first discharge lamp 21 emits ultraviolet rays having a main wavelength of 222 nm.
  • the electrode blocks (31, 32) are made of a metal material, and more preferably a material having a reflectivity for the ultraviolet rays emitted from the first discharge lamp 21.
  • the electrode blocks (31, 32) are made of Al, stainless steel, or the like.
  • the ultraviolet irradiation device 1 of the present embodiment is configured to extract ultraviolet light in the +X direction via the light irradiation window 15. Therefore, in the present embodiment, the electrode blocks (31, 32) are arranged on the ⁇ X side of the first tubular body 25, from the viewpoint of ensuring the efficiency of extracting the ultraviolet rays. However, as described above, when the electrode blocks (31, 32) are made of a material having a reflectivity for ultraviolet rays, the electrode blocks (31 , 32) and proceed in the +X direction.
  • the second discharge lamp 22 has a tube body 26 (hereinafter, referred to as “second tube body 26”) in which the second discharge gas 22G is enclosed.
  • second tube body 26 in each of the electrode blocks (31, 32), when viewed from the Y direction, concave grooves are formed at a plurality of locations separated from each other.
  • the second tubular body 26 is fitted in a concave groove different from the concave groove in which the first tubular body 25 is fitted among the concave grooves formed in the electrode block (31, 32). , 32) in contact with a part of them.
  • the second discharge gas 22G is discharged, and light is emitted in the second tubular body 26. That is, the second discharge lamp 22 is composed of an external electrode type discharge lamp.
  • the second discharge gas 22G is composed of a material capable of emitting visible light by discharge.
  • the second discharge gas 22G contains, for example, a rare gas such as Ne, Ar, Kr, or Xe.
  • the second discharge gas 22G is composed of Ne.
  • the second discharge lamp 22 emits visible light having a main wavelength of 500 to 800 nm.
  • the gas species and the filling pressure of the second discharge gas 22G are set so that the discharge start voltage of the second discharge lamp 22 is lower than the discharge start voltage of the first discharge lamp 21.
  • the electrode blocks (31, 32) are arranged on the +X side of the second tubular body 26.
  • the first electrode block 31 and the second electrode block 32 are arranged so as to be separated in the Y direction (separation portion y1). Therefore, the visible light emitted in the second tube body 26 can also be taken out from the light irradiation window 15 by advancing in the +X direction via the separated portion y1.
  • each electrode block (31, 32) and each discharge lamp (21, 22) will be described in detail with reference to FIGS. 7 to 15.
  • FIG. 7 is a schematic perspective view showing the components around the electrode blocks (31, 32) and the discharge lamps (21, 22) extracted from the ultraviolet irradiation device 1.
  • FIG. 8 is a schematic plan view of the drawing of FIG. 7 viewed from the ⁇ X direction. In FIG. 8, for convenience of description, the electrical component 11 (power supply unit 10) is also schematically illustrated.
  • 9 is a schematic plan view of the drawing of FIG. 7 viewed from the +X direction, which is the opposite of FIG.
  • FIG. 10 and 11 are perspective views schematically showing the electrode blocks (31, 32) extracted.
  • FIG. 10 and FIG. 11 which are viewed in different directions are drawn.
  • FIG. 12 and 13 are perspective views schematically showing the connection relationship of the discharge lamps (21, 22) with the electrode blocks (31, 32) omitted.
  • FIG. 12 and FIG. 13 are drawings schematically showing the connection relationship of the discharge lamps (21, 22) with the electrode blocks (31, 32) omitted.
  • FIG. 14 is a schematic cross-sectional view taken along line X1-X1 in FIG.
  • FIG. 15 is a schematic sectional view taken along line X2-X2 in FIG.
  • FIGS. 14 and 15 are illustrated such that the second discharge lamp 22 is arranged on the upper side of the drawing.
  • the first electrode block 31 has concave grooves (31a, 31b, 31c) formed so as to extend in the Y direction at different positions on the side surface.
  • the second electrode block 32 has concave grooves (32a, 32b, 32c) formed so as to extend in the Y direction at different positions on the side surface.
  • These concave grooves (31a, 31b, 31c, 32a, 32b, 32c) have a shape that follows the shape of the side surface of the tubular body (25, 26) of the discharge lamp (21, 22). , 22) so that a part of the tubular body (25, 26) can be fitted therein.
  • the tube body 25 (first tube body 25) of the first discharge lamp 21a is fitted into the concave groove 31a and the concave groove 32a
  • the tube body of the first discharge lamp 21b is fitted into the concave groove 31b and the concave groove 32b.
  • the body 25 (first tube body 25) is fitted, and the tube body 26 (second tube body 26) of the second discharge lamp 22 is fitted in the concave groove 31c and the concave groove 32c.
  • the concave grooves (31a, 31b) for the first discharge lamp 21 formed in the first electrode block 31 are referred to as “first concave grooves (31a, 31b)", and are formed in the first electrode block 31.
  • the formed concave groove 31c for the second discharge lamp 22 may be referred to as a "second concave groove 31c”.
  • the concave grooves (32a, 32b) for the first discharge lamp 21 formed in the second electrode block 32 are referred to as "third concave grooves (32a, 32b)" and are formed in the second electrode block 32.
  • the formed concave groove 32c for the second discharge lamp 22 may be referred to as a "fourth concave groove 32c".
  • the first electrode block 31 has a first concave groove (31a, 31b) formed on the side surface on the +X side, and a second concave groove 31c on the side surface on the opposite side, the ⁇ X side.
  • the third concave groove (32a, 32b) is formed on the side surface on the +X side
  • the fourth concave groove 32c is formed on the side surface on the opposite side, the -X side.
  • the tubular body 25 of the first discharge lamp 21a is arranged so as to straddle both electrode blocks (31, 32) while being fitted in the first concave groove 31a and the third concave groove 32a.
  • the electrode block (31, 32) is made of a metal member, the first electrode region is provided at the contact portion between the first groove 31a of the first electrode block 31 and the tube body 25 of the first discharge lamp 21a. 61 is formed. Since the first electrode block 31 and the second electrode block 32 are arranged at positions separated from each other in the Y direction, the third groove 32a of the second electrode block 32 and the first tubular body of the first discharge lamp 21a.
  • a second electrode region 62 which is electrically separated from the first electrode region 61, is formed at the contact point with 25. The same applies to the first discharge lamp 21b.
  • the tube body 26 of the second discharge lamp 22 is arranged so as to straddle both electrode blocks (31, 32) while being fitted into the second concave groove 31c and the fourth concave groove 32c.
  • the electrode blocks (31, 32) are made of a metal member, the third electrode region is formed at the contact portion between the second groove 31c of the first electrode block 31 and the tube body 26 of the second discharge lamp 22. 63 is formed. Further, since the first electrode block 31 and the second electrode block 32 are arranged at positions separated from each other in the Y direction, the fourth groove 32c of the second electrode block 32 and the second tubular body of the second discharge lamp 22.
  • a fourth electrode region 64 which is electrically separated from the third electrode region 63, is formed at a contact point with the electrode 26.
  • the power supply unit 10 (more specifically, the electrical component 11) includes a first terminal 10a and a second terminal 10b.
  • the first terminal 10a is electrically connected to the first electrode block 31 via the first wire 41 and the first screw member 43.
  • the second terminal 10b is electrically connected to the second electrode block 32 via the second wire 42 and the second screw member 44. That is, in the present embodiment, as shown in FIG. 7, the first wire 41 and the first screw member 43 form a first current-carrying member 51, and the second wire 42 and the second screw member 44 form a second wire.
  • the current-carrying member 52 is formed.
  • the first screw member 43 and the second screw member 44 are both made of a conductive metal material.
  • the first screw member 43 is connected to the first wire 41 and is inserted into the first electrode block 31.
  • the second screw member 44 is connected to the second wire 42 and is inserted into the second electrode block 32.
  • the configuration in which the second electrode block 32 is energized via the second screw member 44 is illustrated in the cross-sectional view of FIG. 14.
  • FIG. 15 shows a cross-sectional view of a portion where the second screw member 44 is not formed.
  • the ultraviolet irradiation device 1 includes a holding member 46 for holding the contact state between the first electrode block 31 and the discharge lamps (21, 22).
  • the holding member 46 has a pressing member 46a, which has a shape that conforms to the shape of the outer surface of the discharge lamp (21, 22).
  • the holding member 46 is screwed to the first electrode block 31 via the fixing screw 48.
  • the ultraviolet irradiation device 1 includes a holding member 47 for holding the contact state between the second electrode block 32 and the discharge lamps (21, 22).
  • the holding member 47 has a pressing member 47a, which has a shape that conforms to the shape of the outer surface of the discharge lamp (21, 22) at a portion thereof.
  • the holding member 47 is screwed to the second electrode block 32 via the fixing screw 49.
  • each of the discharge lamps (21, 22) is formed by the contact area with the groove (31a, 31b, 31c, 32a, 32b, 32c) formed in the electrode block (31, 32). Voltage is applied through the electrode regions (61, 62, 63, 64). Therefore, each of the discharge lamps (21, 22) can adopt a straight tube structure, and the scale of the ultraviolet irradiation device 1 can be reduced.
  • the first tubular body 25 of the first discharge lamp 21 and the second tubular body 26 of the second discharge lamp 22 have a length in the Y direction of 15 mm or more and 200 mm or less, respectively. The diameter is 2 mm or more and 16 mm or less.
  • the ultraviolet irradiation device 1 includes a second discharge lamp 22 having a starting voltage (discharge starting voltage) lower than that of the first discharge lamp 21 that emits ultraviolet rays. Since the second discharge lamp 22 is arranged in the vicinity of the first discharge lamp 21, the visible light emitted from the second discharge lamp 22 is applied to the first tubular body 25 of the first discharge lamp 21. By doing so, the function as a start assist can be achieved, and the lighting start time of the first discharge lamp 21 can be shortened.
  • a starting voltage discharge starting voltage
  • the second discharge lamp 22 is configured to emit light when a voltage is applied through the electrode blocks (31, 32 ), so that visible light from the second discharge lamp 22 is irradiated. If it is confirmed that the light is emitted from the window 15, it means that the voltage is also applied to the first discharge lamp 21, and it is assumed that the ultraviolet rays are emitted from the first discharge lamp 21 in a pseudo manner. You can Thereby, the user can know that the ultraviolet rays are emitted from the light irradiation window 15 by visually recognizing the visible light emitted from the second discharge lamp 22 through the light irradiation window 15.
  • the ultraviolet irradiation device 1 may include one first discharge lamp 21 and one second discharge lamp 22 on opposite side surfaces of each electrode block (31, 32 ). Absent.
  • the second discharge lamp 22 is disposed on one of the four side surfaces of each electrode block (31, 32), and the first discharge lamp 21 is disposed on the remaining three side surfaces. May be arranged.
  • the ultraviolet irradiation device 1 may have the light irradiation window 15 on three surfaces. This makes it possible to extract ultraviolet rays in multiple directions, so that the structure can be easily used for sterilization/deodorization in a predetermined space such as sterilization/deodorization in shoes.
  • the shape of the electrode blocks (31, 32) when viewed from the Y direction does not necessarily have to be rectangular, and various shapes such as polygonal shape and circular shape can be adopted.
  • the first groove 31a is formed on the side surface on the +X side of the first electrode block 31, and the third groove 32a is the side surface on the -X side of the second electrode block 32. It may be formed on top. That is, the discharge lamps (21, 22) are fitted into the concave groove formed on the +X side surface of one electrode block and the concave groove formed on the ⁇ X side surface of the other electrode block. It does not matter even if it is placed like this. However, in this case, it is preferable that the ultraviolet irradiation device 1 includes the light irradiation windows 15 on both side surfaces of the casing member 3 on the +X side and the ⁇ X side.
  • the first electrode block 31 and the second electrode block 32 are described as being separated from each other in the Y direction.
  • the first electrode block 31 and the second electrode block 32 may be connected via an insulating member.
  • the ultraviolet irradiation device 1 may separately include a light irradiation window on the ⁇ X side surface of the casing member 3 for extracting visible light.
  • the first electrode block 31 and the second electrode block 32 are both made of a conductive metal member.
  • the two electrode blocks (31, 32) are made of an insulating material, and the regions to which the current-carrying members (51, 52) are connected, and the tubular bodies (25, 26) of the respective discharge lamps (21, 22).
  • a conductive sheet member may be provided in the contact area (that is, the first electrode area to the fourth electrode area).
  • the discharge lamps (21, 22) may be arranged so as to straddle the other blocks arranged between the first electrode block 31 and the second electrode block 32.
  • the ultraviolet irradiation device 1 has been described as including the second discharge lamp 22 that emits visible light. However, the present invention does not exclude the ultraviolet irradiation device 1 that does not include the second discharge lamp 22 and includes only the first discharge lamp 21 that emits ultraviolet light.
  • the structure of the ultraviolet irradiation device 1 described with reference to each drawing is merely an example, and the present invention is not limited to the structure illustrated in each drawing.
  • the ultraviolet irradiation device 1 may not include the holding members (46, 47) or the fixing screws (48, 49).
  • UV irradiation device 3 Casing member 5: Power button 7: Battery 9: Battery housing 10: Power supply 10a: First terminal 10b: Second terminal 11: Electrical equipment 13: Electrical equipment housing 15: Light irradiation window 17: Lamp housing 21 (21a, 21b): First discharge lamp 21G: First discharge gas 22: Second discharge lamp 22G: Second discharge gas 25: First tube 26: Second tube 31: 1st electrode block 31a, 31b: 1st concave groove 31c: 2nd concave groove 32: 2nd electrode block 32a, 32b: 3rd concave groove 33c: 4th concave groove 41: 1st wire 42: 2nd wire 43: First screw member 44: Second screw member 46, 47: Holding member 46a, 47a: Lamp holding part 48, 49: Fixing screw 51: First conducting member 52: Second conducting member 61: First electrode region 62: First Two-electrode area 63: Third electrode area 64: Fourth electrode area 100: Conventional ultraviolet irradiation device 101: Grip portion

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Electromagnetism (AREA)
  • Epidemiology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Radiation-Therapy Devices (AREA)
PCT/JP2019/047577 2018-12-14 2019-12-05 紫外線照射装置 Ceased WO2020121934A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US17/312,589 US11469093B2 (en) 2018-12-14 2019-12-05 Ultraviolet irradiation apparatus
CN201980052924.7A CN112585719B (zh) 2018-12-14 2019-12-05 紫外线照射装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-234633 2018-12-14
JP2018234633A JP7327932B2 (ja) 2018-12-14 2018-12-14 紫外線照射装置

Publications (1)

Publication Number Publication Date
WO2020121934A1 true WO2020121934A1 (ja) 2020-06-18

Family

ID=71076411

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/047577 Ceased WO2020121934A1 (ja) 2018-12-14 2019-12-05 紫外線照射装置

Country Status (5)

Country Link
US (1) US11469093B2 (enExample)
JP (1) JP7327932B2 (enExample)
CN (1) CN112585719B (enExample)
TW (1) TW202108202A (enExample)
WO (1) WO2020121934A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114078688A (zh) * 2020-08-21 2022-02-22 优志旺电机株式会社 紫外线照射装置
EP4092319A1 (en) * 2021-05-18 2022-11-23 B/E Aerospace, Inc. Color mixed excimer lamp for soft glow effect

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI825353B (zh) * 2019-10-07 2023-12-11 日商牛尾電機股份有限公司 紫外線照射裝置
JP7335547B2 (ja) * 2019-10-07 2023-08-30 ウシオ電機株式会社 紫外線照射装置
JP6948606B1 (ja) * 2020-08-28 2021-10-13 ウシオ電機株式会社 エキシマランプ及び光照射装置
JP7449474B2 (ja) 2020-09-01 2024-03-14 ウシオ電機株式会社 光源装置、点灯回路、駆動方法
US12246104B2 (en) * 2021-03-23 2025-03-11 Ultra-Violet Solutions, Llc Far UV-C light device
JP7583365B2 (ja) 2021-03-30 2024-11-14 東芝ライテック株式会社 照明装置
KR102585541B1 (ko) * 2021-05-14 2023-10-06 유니램 주식회사 광 조사 장치
KR102585540B1 (ko) * 2021-05-14 2023-10-06 유니램 주식회사 엑시머 램프 및 이를 포함하는 광 조사 장치
JP7649455B2 (ja) 2021-07-12 2025-03-21 ウシオ電機株式会社 光源装置、誘電体バリア放電ランプの点灯回路、誘電体バリア放電ランプの点灯方法
WO2024150554A1 (ja) * 2023-01-11 2024-07-18 ウシオ電機株式会社 藻類又は微生物の増殖抑制方法、紫外線照射装置、及び照明装置
KR102824628B1 (ko) * 2023-02-17 2025-06-24 엘지전자 주식회사 자외선 조사 장치

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135278A (ja) * 1999-10-29 2001-05-18 Orc Mfg Co Ltd 誘電体バリアランプ
JP2003036723A (ja) * 2001-07-19 2003-02-07 Harison Toshiba Lighting Corp 照明装置
JP2007073254A (ja) * 2005-09-05 2007-03-22 U-Tec Kk 外部電極放電ランプ
JP2010123276A (ja) * 2008-11-17 2010-06-03 Orc Mfg Co Ltd 放電ランプ
JP2011193929A (ja) * 2010-03-17 2011-10-06 Shinoda Plasma Kk 紫外光照射装置
JP2016225070A (ja) * 2015-05-28 2016-12-28 合同会社紫光技研 ガス放電発光装置とその駆動回路
JP2017091916A (ja) * 2015-11-13 2017-05-25 合同会社紫光技研 自己集光機能を有する紫外線照射装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3532578B2 (ja) * 1991-05-31 2004-05-31 三菱電機株式会社 放電ランプおよびこれを用いる画像表示装置
DE10023504A1 (de) * 2000-05-13 2001-11-15 Philips Corp Intellectual Pty Edelgas-Niederdruck-Entladungslampe, Verfahren zum Herstellen einer Edelgas-Niederdruck-Entladungslampe Lampe sowie Verwendung einer Gasentladungslampe
EP1647044A2 (en) * 2003-07-15 2006-04-19 Philips Intellectual Property & Standards GmbH Colour tunable lighting element
JP2005339955A (ja) * 2004-05-26 2005-12-08 Harison Toshiba Lighting Corp 平面型放電ランプ及び照明装置
US20070132361A1 (en) * 2005-12-14 2007-06-14 Samsung Electronics Co., Ltd. Backlight assembly and display device having the same
KR20070075032A (ko) * 2006-01-11 2007-07-18 삼성전자주식회사 평판형광램프 및 이를 갖는 액정표시장치
JP4957967B2 (ja) * 2007-11-06 2012-06-20 ウシオ電機株式会社 紫外線照射処理装置
WO2017145635A1 (ja) 2016-02-24 2017-08-31 コニカミノルタ株式会社 光照射装置および光照射方法
JP6653081B2 (ja) 2016-03-18 2020-02-26 ウシオ電機株式会社 光線治療器
WO2018131582A1 (ja) 2017-01-10 2018-07-19 ウシオ電機株式会社 紫外線殺菌装置
JP6558376B2 (ja) 2017-01-10 2019-08-14 ウシオ電機株式会社 紫外線放射装置
JP6485780B2 (ja) 2017-02-24 2019-03-20 株式会社紫光技研 ガス放電発光装置
JP2018190686A (ja) 2017-05-11 2018-11-29 合同会社紫光技研 紫外光源装置とその製造方法
CN214012899U (zh) * 2020-12-04 2021-08-20 广明源光科技股份有限公司 准分子灯

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001135278A (ja) * 1999-10-29 2001-05-18 Orc Mfg Co Ltd 誘電体バリアランプ
JP2003036723A (ja) * 2001-07-19 2003-02-07 Harison Toshiba Lighting Corp 照明装置
JP2007073254A (ja) * 2005-09-05 2007-03-22 U-Tec Kk 外部電極放電ランプ
JP2010123276A (ja) * 2008-11-17 2010-06-03 Orc Mfg Co Ltd 放電ランプ
JP2011193929A (ja) * 2010-03-17 2011-10-06 Shinoda Plasma Kk 紫外光照射装置
JP2016225070A (ja) * 2015-05-28 2016-12-28 合同会社紫光技研 ガス放電発光装置とその駆動回路
JP2017091916A (ja) * 2015-11-13 2017-05-25 合同会社紫光技研 自己集光機能を有する紫外線照射装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114078688A (zh) * 2020-08-21 2022-02-22 优志旺电机株式会社 紫外线照射装置
US20220059336A1 (en) * 2020-08-21 2022-02-24 Ushio Denki Kabushiki Kaisha Uv irradiation apparatus
US11776803B2 (en) * 2020-08-21 2023-10-03 Ushio Denki Kabushiki Kaisha UV irradiation apparatus
EP4092319A1 (en) * 2021-05-18 2022-11-23 B/E Aerospace, Inc. Color mixed excimer lamp for soft glow effect
US12106956B2 (en) 2021-05-18 2024-10-01 B/E Aerospace, Inc. Color mixed excimer lamp for soft glow effect

Also Published As

Publication number Publication date
TW202108202A (zh) 2021-03-01
JP2020092968A (ja) 2020-06-18
US11469093B2 (en) 2022-10-11
CN112585719A (zh) 2021-03-30
US20210335593A1 (en) 2021-10-28
CN112585719B (zh) 2023-11-28
JP7327932B2 (ja) 2023-08-16

Similar Documents

Publication Publication Date Title
WO2020121934A1 (ja) 紫外線照射装置
WO2020129650A1 (ja) 紫外線照射装置
JP7346687B2 (ja) 放電ランプおよびオゾン生成方法
US11776803B2 (en) UV irradiation apparatus
JP7207511B2 (ja) 紫外線照射装置
JP6871038B2 (ja) 放電ランプ、オゾン生成装置およびオゾン生成方法
CN214910876U (zh) 一种准分子杀菌灯
JP2007323995A (ja) 紫外光放射装置
KR102339970B1 (ko) 핸드형 저온 마이크로웨이브 플라즈마 발생 장치
TWI825353B (zh) 紫外線照射裝置
US20130140471A1 (en) Enhanced Output Mercury-Free UVC Lamp System
KR20140101312A (ko) 자외선 조사 장치
JP7335547B2 (ja) 紫外線照射装置
CN114203521B (zh) 准分子灯、紫外线照射装置以及臭氧产生装置
JP2006026253A (ja) 殺菌装置
JP2005170724A (ja) オゾン発生装置
JP2006026252A (ja) 殺菌装置
US20150352370A1 (en) Flashtube for light irradiation treatment and prevention and light irradiation treatment and prevention device
JP2002304971A (ja) 高圧放電ランプおよび紫外線照射装置

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: 19894467

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: 19894467

Country of ref document: EP

Kind code of ref document: A1