WO2020129711A1 - 航空機用水供給システム - Google Patents

航空機用水供給システム Download PDF

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Publication number
WO2020129711A1
WO2020129711A1 PCT/JP2019/047884 JP2019047884W WO2020129711A1 WO 2020129711 A1 WO2020129711 A1 WO 2020129711A1 JP 2019047884 W JP2019047884 W JP 2019047884W WO 2020129711 A1 WO2020129711 A1 WO 2020129711A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
water supply
aircraft
tank
ultraviolet light
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/JP2019/047884
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
貴浩 中摩
貴弘 阿久津
智子 瀧川
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.)
Nikkiso Co Ltd
Original Assignee
Nikkiso Co Ltd
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 Nikkiso Co Ltd filed Critical Nikkiso Co Ltd
Priority to US17/414,710 priority Critical patent/US12330974B2/en
Priority to EP19899893.2A priority patent/EP3901037B1/en
Priority to CN201980083694.0A priority patent/CN113195359B/zh
Publication of WO2020129711A1 publication Critical patent/WO2020129711A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • 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—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet [UV] 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
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/16—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances
    • A61L2/183—Ozone dissolved in a liquid
    • 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—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/26—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/02—Toilet fittings
    • 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
    • C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
    • 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
    • A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising
    • A61L2101/02—Inorganic materials
    • 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
    • A61L2202/17—Combination with washing or cleaning means
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • 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
    • C02F1/325—Irradiation devices or lamp constructions
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/001—Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower or fuel cells
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3222—Units using UV-light emitting diodes [LED]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3227—Units with two or more lamps
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/78—Details relating to ozone treatment devices
    • C02F2201/782—Ozone generators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C2201/00—Details, devices or methods not otherwise provided for
    • E03C2201/40—Arrangement of water treatment devices in domestic plumbing installations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/211—Solar-powered water purification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation

Definitions

  • the present invention relates to an aircraft water supply system.
  • the water stored in a dedicated tank is used as drinking water or the like.
  • a predetermined supply port a faucet or the like.
  • Patent Document 1 As prior art document information related to the invention of this application, there is Patent Document 1.
  • the tank and the water supply pipe are washed with a chemical or the like to prevent bacteria and the like from propagating in the tank and the water supply pipe.
  • a chemical or the like to prevent bacteria and the like from propagating in the tank and the water supply pipe.
  • an object of the present invention is to provide an aircraft water supply system capable of improving the quality of water supplied by an aircraft.
  • the present invention is, for the purpose of solving the above problems, an aircraft water supply system that is mounted on an aircraft and supplies water to a plurality of water supply ports in the aircraft, and a tank that stores water, and A water supply pipe that extends from the tank, is branched and connected to each of the plurality of water supply ports, and supplies water from the tank to the plurality of water supply ports, and at least the water to be used for drinking.
  • An aircraft water supply system including a sterilizer.
  • an aircraft water supply system capable of improving the quality of water supplied by an aircraft.
  • FIG. 1 is a schematic configuration diagram of an aircraft water supply system according to an embodiment of the present invention. It is a schematic block diagram which shows an example of an ultraviolet light sterilizer. It is a schematic block diagram which shows an example of an ozone water generator. It is a schematic block diagram of a hand dryer.
  • FIG. 1 is a schematic configuration diagram of an aircraft water supply system according to the present embodiment.
  • an aircraft water supply system 1 is a system that is installed in an aircraft and supplies water to a plurality of water supply ports 2 in the aircraft.
  • the aircraft water supply system 1 includes a tank 3 that stores water and a water tank 3 that extends from the tank 3 and is branched and connected to each of the plurality of water supply ports 2 to supply the water from the tank 3 to the plurality of water supply ports 2. And a water supply pipe 4 for supplying water to.
  • the tank 3 is a large water storage tank that stores water, and is also called a water tank or a portable water tank.
  • a replenishment pipe 5 for supplying water into the tank 3 from the outside of the aircraft is connected to the tank 3.
  • a drainage pipe 6 is connected so as to be branched from the water supply pipe 4 extending from the tank 3.
  • the drainage pipe 6 is provided with a drainage valve 6a that is opened during drainage.
  • One end of the water supply pipe 4 is connected to the tank 3, and the other end is branched and connected to each water supply port 2.
  • the water supply port 2 has the water heater 201, the coffee maker 202, and the faucet 203 in the cooking table (galley) 20, as well as the washbasin 211 and the toilet bowl 212 in the toilet 21. Will be explained.
  • the water supply port 2 is not limited to the illustrated one, and can be changed as appropriate.
  • a compressed air introduction line 7 for introducing compressed air into the tank 3 is connected to the tank 3.
  • the compressed air introduction line 7 has a first line 71 that introduces compressed air from an aircraft engine or an auxiliary engine, and a second line 72 that compresses outside air with an air pump 72b and guides it into the tank 3.
  • the first line 71 is provided with an air filter 71a, a pressure adjuster 71b, and a check valve 71c.
  • the second line 72 is provided with an air filter 72a, an air pump 72b, and a check valve 72c.
  • the pressure in the tank 3 is increased by the compressed air introduced from the compressed air introduction line 7, so that the water in the tank 3 is supplied to each water supply port 2.
  • the aircraft water supply system 1 includes the ultraviolet light sterilizers 8 provided at least in the water supply pipes 4 near the water supply port 2 for drinking.
  • the ultraviolet light sterilizer 8 has a light emitting diode 81 (see FIG. 2) for irradiating ultraviolet light, and sterilizes by irradiating the water supplied to the water supply port with the ultraviolet light from the light emitting diode 81.
  • the sterilization referred to here also includes inactivating bacteria to suppress the growth of bacteria.
  • the ultraviolet light sterilizer 8 is provided in each of the water heater 201, the coffee maker 202, and the water supply pipe 4 connected to the faucet 203 in the cooktop 20. However, if the water supply pipe 4 is branched at a position close to the water supply port 2, one ultraviolet light sterilizer 8 may be provided for the plurality of water supply ports 2.
  • the ultraviolet light sterilizer 8 has a spherical chamber 82 as a sterilization channel inserted into the water supply pipe 4, and the water in the chamber 82 receives the ultraviolet light from the light emitting diode 81. Water is sterilized by irradiation.
  • the inner peripheral surface 82a of the chamber 82 is preferably made of a material that reflects ultraviolet light, and it is desirable to multiple-reflect ultraviolet light in the chamber 82 to improve the sterilization efficiency of water. In order to avoid mixing of bacteria etc. again after sterilization, it is desirable to dispose the ultraviolet light sterilizer 8 as close to the water supply port 2 as possible.
  • the specific configuration of the ultraviolet light sterilizer 8 is not limited to the configuration shown in FIG.
  • the light emitting diode 81 used in the ultraviolet light sterilizer 8 it is preferable to use one that emits ultraviolet light having a wavelength of 250 nm or more and 350 nm or less. That is, it is desirable to use, as the light emitting diode 81, a light emitting diode whose center wavelength or peak wavelength is included in the range of 250 nm to 350 nm. In order to further improve the sterilization effect, it is more preferable to use, as the light emitting diode 81, one that emits ultraviolet light having a wavelength of 255 nm or more and 285 nm or less, which has a high sterilization effect.
  • the tank 3 may be provided with a device that sterilizes the water in the tank 3 by irradiating it with ultraviolet light, but in this case, contamination of bacteria in the water supply pipe 4 is unavoidable.
  • the ultraviolet light sterilizer 8 in the water supply pipe 4 near the water supply port 2 as in the present embodiment, bacteria mixed in the tank 3 or the water supply pipe 4 can be sterilized (or inactivated). The quality of water supplied from the water supply port 2 can be improved.
  • small flowing water generators 9 that generate electricity using water flowing in the water supply pipe 4 are provided near the respective ultraviolet light sterilizers 8.
  • Each ultraviolet light sterilizer 8 is driven by using the electric power generated by the corresponding flowing water generator 9.
  • the ultraviolet light sterilizer 8 may be driven by using the electric power generated by the running water power generator 9 and other electric power. Thereby, the power consumption in the ultraviolet light sterilizer 8 can be suppressed, and the running cost can be reduced.
  • the filter 10 which filters water is each provided in the downstream of each ultraviolet light sterilizer 8.
  • the filter 10 is provided on the upstream side of the ultraviolet light sterilizer 8, it is possible that bacteria captured by the filter 10 proliferate on the filter 10 and the quality of water deteriorates.
  • the filter 10 is provided on the downstream side of each ultraviolet sterilizer 8, it is possible to suppress the growth of bacteria on the filter 10.
  • the washbasin 211 of the toilet 21 is provided with a water supply faucet 211a, ozone water supply sterilizing water supply port 211b, and a hand dryer 211c.
  • Water supply pipes 4 are connected to the faucet 211a and the sterilizing water supply port 211b, respectively.
  • the water supply pipe 4 near the sterilizing water supply port 211b is provided with an ozone water generator 11 that generates ozone water and supplies the ozone water to the sterilizing water supply port 211b.
  • the ozone water generator 11 has a rectangular parallelepiped chamber 111 inserted in the water supply pipe 4, and a plate-shaped anode electrode 112 and cathode electrode 113 provided so as to sandwich the chamber 111. .. Ozone water is generated by applying a voltage between both electrodes 112 and 113 to electrolyze the water in the chamber 111.
  • the chamber 111 is connected to a cathode water discharge passage 114 for discharging cathode water (Cathode water) containing a large amount of hydrogen generated in the chamber 111.
  • the specific configuration of the ozone water generator 11 is not limited to the configuration shown in FIG.
  • An ozone concentration meter 13 for measuring the ozone concentration of the ozone water generated by the ozone water generator 11 is provided on the downstream side of the ozone water generator 11.
  • an ultraviolet light absorption type ozone densitometer using a light emitting diode for irradiating ultraviolet light can be used.
  • a flowing water generator that generates electric power from the water flowing through the water supply pipe 4 may be provided.
  • a part of drainage is discharged from the drain mast to the outside, but sewage from a toilet or the like is stored in a sewage tank.
  • the drainage of the washbasin 211 is also stored in the dirty water tank, but if soap can be used in the washbasin 211, the dirty water tank becomes full of bubbles and the subsequent processing becomes troublesome. Therefore, under the present circumstances, a soap that hardly causes bubbles on the washbasin 211 is generally used, but it is difficult to obtain a sufficient sterilizing effect by itself. As in the case of the present embodiment, it is possible to obtain a sufficient sterilizing effect by allowing the wash basin 211 to be hand-washed with ozone water. Further, since the ozone water is collected in the waste water tank, it is possible to sterilize the waste water tank.
  • the hand dryer 211c is connected to the compressed air introduction line 7 (first line 71 and second line 72) via a dryer connection line 73, and the compressed air from the compressed air introduction line 7 is blown out from the hand dryer 211c.
  • the dryer connection line 73 is provided with a pressure adjuster 73a for adjusting the pressure of the air blown out by the hand dryer 211c.
  • the hand dryer 211c may be provided with an ultraviolet light irradiator 211d that irradiates the user's hand to be dried with ultraviolet light.
  • an ultraviolet light irradiator 211d As a light source used for the ultraviolet light irradiator 211d, it is desirable to use a light emitting diode that consumes low power.
  • ozone water is irradiated with ultraviolet light, hydroxy radicals having a strong oxidizing action are generated, and the bactericidal effect is improved by accelerated oxidation. Therefore, by combining the supply of ozone water and the hand dryer 211c having the ultraviolet light irradiator 211d, it is possible to provide passengers with a hand wash with a higher sterilization effect.
  • ozone water is also used in the toilet bowl cleaning tank 212 used for toilet toilet cleaning.
  • the toilet bowl tank 212 stores the water that flows into the toilet bowl 213.
  • the ozone water generator 12 that generates ozone water and supplies the ozone water to the toilet cleaning tank 212 is provided in the water supply pipe 4 near the toilet cleaning tank 212.
  • an ozone water generator may be provided in the toilet bowl tank 212. Since the ozone water generator 12 has the same structure as the ozone water generator 11 described in FIG. 3, detailed description thereof will be omitted.
  • different ozone water generators 11 and 12 are used for supplying ozone water to the sterilizing water supply port 211b and for supplying ozone water to the toilet bowl cleaning tank 212. It may be configured to supply the ozone water generated by the one ozone water generator 11 and 12 to both the sterilizing water supply port 211b and the toilet bowl cleaning tank 212.
  • the toilet bowl 213 By configuring the toilet bowl 213 to be washed with the ozone water stored in the toilet bowl tank 212, it becomes possible to sterilize the toilet bowl 213 every time the water flows, and floating bacterium is generated from the toilet bowl 213. Can be suppressed.
  • At least the water supply pipe 4 near the water supply port 2 for drinking is provided with a light emitting diode that emits ultraviolet light.
  • the ultraviolet light sterilizer 8 is provided to sterilize the water supplied to the water supply port 2 with the ultraviolet light from the light emitting diode.
  • the ultraviolet light sterilizer 8 bacteria contained in the water supplied from the water supply port 2 can be sterilized (or inactivated), and the quality of the water supplied in the aircraft can be improved. become.
  • the ultraviolet light sterilizer 8 using a light emitting diode is smaller and consumes less power than a sterilizer using an ultraviolet lamp or the like, for example. Therefore, it is possible to easily mount the ultraviolet light sterilizer 8 even in an aircraft where the arrangement space is limited. For example, by using the ultraviolet light sterilizer 8 together with the flowing water generator 9, it is possible to use without a power supply.
  • a water supply system (1) for an aircraft which is mounted on an aircraft and supplies water to a plurality of water supply ports (2) in the aircraft, comprising: a tank (3) for storing water; 3) is a pipe for water supply which is extended from the tank and is branched and connected to each of the plurality of water supply ports (2) to supply water from the tank (3) to the plurality of water supply ports (2). (4) and at least the water supply pipe (4) provided near the water supply port (2) for drinking, and having a light emitting diode for irradiating ultraviolet light, and emitting ultraviolet light from the light emitting diode.
  • An aircraft water supply system (1) comprising: an ultraviolet light sterilizer (8) for irradiating water supplied to the water supply port (2) with light to sterilize the water.
  • a flowing water generator (9) for generating electric power using water flowing through the water supply pipe (4) is provided, and the ultraviolet light sterilizer (8) uses electric power generated by the flowing water generator (9).
  • the water supply port (2) includes a sterilizing water supply port (211b) provided in the wash basin (21a), and is connected to the water supply pipe (4) near the sterilizing water supply port (211b).
  • the water supply system for aircraft according to any one of [1] to [3], further comprising an ozone water generator (11) for generating ozone water and supplying the same to the sterilizing water supply port (211b). (1).
  • the water supply port (2) includes a toilet bowl cleaning tank (21b) used for toilet cleaning of a toilet (21), and the water supply pipe (4) near the toilet bowl cleaning tank (21b).
  • an ozone water generator (12) for generating ozone water and supplying the ozone water to the toilet cleaning tank (21b) is provided in the toilet cleaning tank (21b), [1] to [4].
  • the water supply system for aircrafts (1) as described in any one of these.
  • Aircraft water supply system 2 ... Water supply port 3... Tank 4... Water supply pipe 8... Ultraviolet light sterilizer 9... Flow generator 10... Filters 11 and 12... Ozone water generator 21... Toilet 211... Washbasin 211b... Sterilizing water supply port 211c... Hand dryer 212... Toilet bowl cleaning tank 213... Toilet bowl

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physical Water Treatments (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Domestic Plumbing Installations (AREA)
PCT/JP2019/047884 2018-12-17 2019-12-06 航空機用水供給システム Ceased WO2020129711A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US17/414,710 US12330974B2 (en) 2018-12-17 2019-12-06 Water supply system for aircraft
EP19899893.2A EP3901037B1 (en) 2018-12-17 2019-12-06 Water supply system for aircraft
CN201980083694.0A CN113195359B (zh) 2018-12-17 2019-12-06 航空器用水供应系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018235300A JP7202872B2 (ja) 2018-12-17 2018-12-17 航空機用水供給システム
JP2018-235300 2018-12-17

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JP (1) JP7202872B2 (https=)
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WO (1) WO2020129711A1 (https=)

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EP4389602A1 (en) * 2022-12-20 2024-06-26 Airbus Operations GmbH Water supply and distribution system on-board an aircraft and method for operating such system
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JP7202872B2 (ja) 2023-01-12
EP3901037A1 (en) 2021-10-27
EP3901037B1 (en) 2025-07-02
US20220064039A1 (en) 2022-03-03
CN113195359B (zh) 2023-12-29
CN113195359A (zh) 2021-07-30
JP2020097265A (ja) 2020-06-25
US12330974B2 (en) 2025-06-17
EP3901037A4 (en) 2022-09-14

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