EP3728717A1 - Appareil de désinfection par les uv, procédé et utilisation de celui-ci - Google Patents

Appareil de désinfection par les uv, procédé et utilisation de celui-ci

Info

Publication number
EP3728717A1
EP3728717A1 EP17832466.1A EP17832466A EP3728717A1 EP 3728717 A1 EP3728717 A1 EP 3728717A1 EP 17832466 A EP17832466 A EP 17832466A EP 3728717 A1 EP3728717 A1 EP 3728717A1
Authority
EP
European Patent Office
Prior art keywords
disinfection device
drum
laundry
disinfection
housing
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.)
Withdrawn
Application number
EP17832466.1A
Other languages
German (de)
English (en)
Inventor
Bernd Höhne
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.)
Q One Holding AG
Original Assignee
Q One Holding AG
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 Q One Holding AG filed Critical Q One Holding AG
Publication of EP3728717A1 publication Critical patent/EP3728717A1/fr
Withdrawn legal-status Critical Current

Links

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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/203—Laundry conditioning arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/44—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of conditioning or finishing, e.g. for smoothing or removing creases
    • 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
    • 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
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A61L2202/122—Chambers for sterilisation
    • 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
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • 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
    • A61L2202/17—Combination with washing or cleaning means
    • 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
    • A61L2202/20—Targets to be treated
    • A61L2202/26—Textiles, e.g. towels, beds, cloths
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/24—Spin speed; Drum movements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/38—Conditioning or finishing, e.g. control of perfume injection
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers

Definitions

  • UV disinfection device process with it and use for it
  • the invention relates to a UV disinfection device with a housing and a UV light source received therein. Furthermore, the invention relates to a method for disinfecting in a rotatable drum of a
  • UV disinfection device and a use for it.
  • Laundry treatment machines are known for the treatment, namely cleaning, washing and drying of laundry in various configurations for domestic use and professional use.
  • Laundry treatment machines are in particular washing machines,
  • washer dryer and dryer All these machines have in common that the laundry to be treated is taken up in a receptacle and moved for mixing and treatment of the laundry of the receptacle.
  • the receptacle is designed as a rotatable drum.
  • water optionally with the addition of detergents as a lye or with chemical additives or for drying air, which is heated, is used.
  • the circulated fluid is discharged to the environment or into the drain line.
  • fresh water or fresh air is supplied to a dryer.
  • germs may still be present, which may still be active after the laundry treatment depending on the washing treatment temperature and ingredients and may even multiply particularly well in the environment. Accordingly, the dispensed, no longer required fluid from the laundry treatment machine is optionally charged with a significant number of bacteria. Furthermore, the laundry items after removal from the Laundry treatment machine still carry a significant number of germs in itself. All of this is undesirable for hygienic reasons.
  • EP 2 314 753 A1 discloses a washing method in which laundry is rinsed in a washing machine with water or washing liquor and, in the case of recirculation of the rinsing water, this rinsing water is disinfected with UV irradiation.
  • a similar washing machine is known from EP 1 922 443 B1, in which the washing water is irradiated in a sump area with UV light, wherein shields are provided, which is an undesirable irradiation of
  • EP 2 236 660 A1 describes a washing machine in which a
  • UV irradiation device is installed in the region of the drum, in which the irradiation is carried out during rotary movement of the drum.
  • No. 6,877,248 B1 describes a tumble dryer in which UV light sources for disinfecting the laundry contained therein are provided outside the rotary drum.
  • UV-irradiation unit provided washing machines or dryers known to allow disinfection of the laundry treated therein. However, it requires separately adapted laundry treatment machines, so that retrofitting of older machines or as needed supplement this UV disinfection in conventional laundry treatment machines is not possible.
  • the object of the invention is therefore to enable a UV disinfection device or treatment in conventional laundry treatment machines in the simplest possible way. This object is achieved with a UV disinfection device according to claim 1, a disinfection method according to claim 10 and a use of the UV disinfection device according to claim 14.
  • the disinfection device can be used independently of the laundry treatment device in its drum.
  • the sealed housing prevents washing water or lye or other fluids in the
  • UV disinfection device can penetrate, with a sensor in the device ensures that the UV radiation is not outside the
  • Laundry treatment device can be activated.
  • UV disinfection device with the laundry in the drum inserted or adjusted, the UV light source in the UV disinfector until the operation of the
  • UV disinfector is used to disinfect laundry in a washing machine or in a dryer.
  • fastening means are provided with which the UV disinfection device on the inside of a drum door of
  • UV disinfection device can also be arranged on the outside of the door drum, provided that the glass drum door has sufficient UV light transmission.
  • a fastening means may be a magnetic attachment or an attachment by means of adhesive and a cling / clamping attachment be provided to attach the UV disinfector on the inside or outside of the drum door.
  • the UV light source is at this
  • the UV disinfection device is designed as a freely movable, autonomous, spatial object, in particular in the form of a ball.
  • the UV disinfection device can be easily loaded with the laundry to be treated in the drum of the laundry treatment machine, wherein during operation of the laundry treatment machine by the rotating drum a thorough mixing and thus exposure to UV radiation on the entire laundry located in the drum and the washing water is ensured.
  • a position, motion and / or temperature sensor is provided in the housing, can via a position determination and / or a
  • UV disinfection device can be determined if the
  • Laundry treatment device in operation or the UV disinfection device is located within the laundry drum. It can also contain all three sensors, so activation of the UV light source off
  • UV disinfection device already before closing and starting the
  • Laundry treatment device begins with the UV irradiation. Likewise, the end of the disinfection process based on the no longer taking place motion (stationary drum) detected and thus the
  • UV light source are turned off.
  • UV disinfection device arranged on germ sensors.
  • the quality of the disinfection in the fluid circulation path in the laundry treating machine can be measured, and depending on the intensity and / or duration of the
  • UV irradiation are regulated.
  • a movement profile stored in the sensor system is provided for detecting the rotational movement of the drum, a false triggering of the UV light irradiation in the event of unintentional handling or movement of the UV disinfection device outside the laundry treatment machine can be avoided. Only when the precisely defined motion profile is detected by the sensor, the UV light source is activated.
  • the UV light source in the housing spatially distributed more, for example, three to six, UVC emitting LED semiconductor, which are arranged in the housing with UV light-permeable partition.
  • the embedded in the housing UV light permeable partition wall allows intensive
  • UV light irradiation with simultaneously hermetically sealed housing UV light irradiation with simultaneously hermetically sealed housing.
  • the UV disinfection device is assigned a charging tray for the inductive charging of the electrical energy store, wherein the UV disinfection device can be placed on it after use, the UV disinfection device can be charged inductively via the charging cradle.
  • the UV-disinfector is a cover assigned, wherein the cover is externally fitted in the drum door.
  • the cover can be clamped for example in the drum door or glued on the outside.
  • UV disinfection device additional position measurement points are assigned, which are attachable to the laundry treatment device, and interact with the position sensor according to claim 4, can be reliably determined by the UV disinfection device, whether it is inside the drum or not. At the same time, if the position measuring points are mounted on the cover for the drum door, it can be avoided that the UV disinfection device can be switched on if the cover is forgotten.
  • the UV disinfection unit may include a thermal insulation to protect the electronics contained in the device from excessive heat or cold.
  • the device should in particular be designed so that it can withstand typical washing temperatures up to 60 ° C over the duration of a wash cycle, for example 90 minutes. At higher washing temperatures, an additional disinfection is not necessary because any bacteria and viruses are killed by the high washing temperature. Accordingly, the main area of use is washing at temperatures up to 60 ° C, especially in the 30 ° C or 40 ° C washes.
  • a temperature sensor may be included in the UV disinfection device, so that at higher washing temperatures then not required disinfection by non-activation of the UV light source is omitted.
  • the UV disinfection device can also be remotely controlled in order to be able to switch on and off corresponding disinfection programs from the outside.
  • the signal transmission for example, via known radio communications, such as Bluetooth or WLAN or the like, take place.
  • FIG. 1 shows a UV disinfection device in a first embodiment in a partially sectioned side view mounted in a washing machine
  • FIG. 2 shows a UV disinfection device in a second embodiment in FIG.
  • FIG. 3 shows a sketch-like spatial view of a UV disinfection device according to FIG. 2 in a wax machine drum
  • a UV disinfection device 1 is shown with a waterproof housing 10 in a first embodiment in a partially sectioned side view with a washing machine 2, said UV disinfector 1 on the inside of a drum door of the laundry treatment device 2, z. B.
  • the UV disinfection device 1 ' has a housing 10 in ball or ball shape.
  • This second embodiment of the UV disinfection device 1 ' has, in principle, the same components within the housing 10 as the UV disinfection device 1 in the first
  • UV disinfection apparatus 1, 1 with reference to the second
  • the fluid-tight housing 10 of the UV disinfection device 1 ' are arranged in the spherical shape as a UV light source 11, six UVC-emitting LED semiconductors, of which in the cross section shown in Fig. 2 LEDs are visible. Two further UVC emitting LEDs point perpendicularly to the plane of the drawing to the front and to the rear and are not in the cross-sectional illustration in FIG shown. Further, in the housing 10, a circuit board 12 with it
  • a position sensor 13 and a motion sensor 14 are arranged on the circuit board 12. Further, on the board 12 a on the outside of the housing 10th
  • the housing 10 has an insulation 19.
  • a charging coil 16 is provided on the back of the UV disinfection device 1 according to the first embodiment, which allows an inductive charging of the electrical energy storage device 15 within the UV disinfection device 1, as can be seen in Fig. 1 in the sectional views.
  • the charging device 32 is, for example, clamped or fixed magnetically or by adhesion to the drum door 22.
  • a cover 31 is clamped on the outside of the drum door 22 T 22 such that unintentional falling off of the cover 31 is not possible.
  • Drum 21 are arranged. This can do that
  • UV disinfection device 1, 1 determines its own position safely.
  • Position transmitter 33 for example, RFID transponder suitable.
  • three position sensor 33 are arranged on a cover 31 of the drum door 22 of the washing machine 2, so that they on
  • Activation of the position sensor 13 give active feedback, so that in UV disinfection device 1, 1 the actual position of the same can be determined. This also ensures that the UV disinfection device 1, 1 ' in the absence of cover 31 and thus not possible orientation by the absence of the position sensor 33 can not be turned on, the operator is thus protected from harmful UV irradiation.
  • the ball-shaped UV disinfection device 1 ' is in the idle state on a charging tray 32. This has an excitation coil, which coincides with that in the housing 10 of the
  • UV disinfection device 1 ' arranged charging coil 16 for inductive charging of the accumulator 15 in the housing 10 of the UV disinfection device 1 ' cooperates.
  • the electronics stored on the board 12 change to standby service, in which the position sensors 13, temperature sensors 18 and / or movement sensors 14 are activated, but the UV light source 11 is still active is not activated.
  • the ball-shaped disinfection device 1 ' is now filled into the drum 21 of the washing machine 2 together with the laundry to be treated. After closing the drum door 22 signal on the attached to the drum door 22
  • Cover 31 arranged RFID position sensor 33 the position sensor 13 in the housing 10 of the UV disinfection device 1 ' , that this within the
  • Drum 21 is positioned. Nevertheless, the electronics on the circuit board 12 does not turn off the
  • UV light source 11 in the form of four UVC-emitting LED semiconductors, since the drum 21 is not yet rotating. Once the washing machine 2 is turned on and the drum 21 rotates, the motion sensor 14 registers
  • washing machine 2 is detected, the UV light sources 11 are activated and the recorded in the drum 21 laundry disinfected by the effective UV irradiation.
  • the activation of the UV light source 11 can also be made dependent on the ambient temperature in the drum 21 measured with the temperature sensor 18. For example, at least 30 ° C. must be present at the temperature sensor 18.
  • the duration of the UV irradiation now depends on any pre-set irradiation times of a few minutes, for example 1 to 90 minutes, and / or the termination of the rotational movement, namely the end of the selected washing program, which is determined by the motion sensor 14 and thus the UV Radiation is stopped.
  • UV disinfection device 1, 1 Be arranged germ sensor 17, which measures the germ count in the environment around the UV disinfection device 1, 1 ' and thus can detect the quality of the performed UV disinfection. With sufficient germ count reduction then UV disinfection can be stopped.
  • the sensors in particular the position sensor 13, provide
  • Laundry treatment devices such as washing machine
  • Washer dryer or dryer can be used without the
  • Laundry treatment facilities must be rebuilt consuming.
  • the cover 31 is required on the outside of the drum door 22 or on the inside in the case of transparent drum doors 22 (glass doors) or even directly on the inside on the UV disinfection device 1. If a position determination with a position sensor 13 and corresponding position sensors 33 is desired, for example only three RFID transponders, for example, on the
  • Washing drum 21 to be absorbed disinfection device 1, 1 ' could endanger.
  • UV light source UVC emitting LED semiconductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • 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)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

L'invention concerne un appareil de désinfection par les UV (1, 1') comportant un boîtier (10) et une source de lumière UV (11) logée dans celui-ci, caractérisé en ce qu'un accumulateur d'énergie électrique (15) est disposé dans le boîtier (10), le boîtier (10) est étanche et un capteur qui active la source de lumière UV (11) seulement lors du fonctionnement du dispositif de traitement du linge (2) est disposé à l'intérieur de celui-ci. L'invention concerne en outre un procédé de désinfection du linge contenu dans un tambour rotatif (21) d'une machine de traitement du linge au moyen d'un appareil de désinfection par les UV (1, 1') selon l'une des revendications précédentes, caractérisé en ce que l'appareil de désinfection par les UV (1, 1') autonome vis-à-vis de la machine de traitement du linge est inséré ou déposé avec le linge dans le tambour (21), la source de lumière UV (11) dans l'appareil de désinfection par les UV (1, 1') étant mise en marche seulement lorsque la machine de traitement du linge fonctionne. L'invention concerne également une utilisation de celui-ci.
EP17832466.1A 2017-12-20 2017-12-20 Appareil de désinfection par les uv, procédé et utilisation de celui-ci Withdrawn EP3728717A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2017/101093 WO2019120343A1 (fr) 2017-12-20 2017-12-20 Appareil de désinfection par les uv, procédé et utilisation de celui-ci

Publications (1)

Publication Number Publication Date
EP3728717A1 true EP3728717A1 (fr) 2020-10-28

Family

ID=61007411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17832466.1A Withdrawn EP3728717A1 (fr) 2017-12-20 2017-12-20 Appareil de désinfection par les uv, procédé et utilisation de celui-ci

Country Status (5)

Country Link
US (1) US20200384140A1 (fr)
EP (1) EP3728717A1 (fr)
JP (1) JP2021508576A (fr)
CN (1) CN111542659A (fr)
WO (1) WO2019120343A1 (fr)

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KR101747408B1 (ko) * 2017-03-28 2017-06-14 이수완 휴대용 자외선 살균 uv볼 및 이를 이용한 자외선 살균 방법
CN107044032A (zh) * 2017-06-14 2017-08-15 江苏钜芯集成电路技术股份有限公司 用于洗衣机的紫外线杀菌球

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JP2021508576A (ja) 2021-03-11
CN111542659A (zh) 2020-08-14

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