EP0616658B2 - Unite de lavage pour les mains - Google Patents

Unite de lavage pour les mains Download PDF

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Publication number
EP0616658B2
EP0616658B2 EP92923900A EP92923900A EP0616658B2 EP 0616658 B2 EP0616658 B2 EP 0616658B2 EP 92923900 A EP92923900 A EP 92923900A EP 92923900 A EP92923900 A EP 92923900A EP 0616658 B2 EP0616658 B2 EP 0616658B2
Authority
EP
European Patent Office
Prior art keywords
soap
hands
water
user
hand washing
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.)
Expired - Lifetime
Application number
EP92923900A
Other languages
German (de)
English (en)
Other versions
EP0616658B1 (fr
EP0616658A1 (fr
Inventor
Frank Foster
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.)
POLAR BAY Ltd
Original Assignee
POLAR BAY 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
Family has litigation
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Application filed by POLAR BAY Ltd filed Critical POLAR BAY Ltd
Publication of EP0616658A1 publication Critical patent/EP0616658A1/fr
Application granted granted Critical
Publication of EP0616658B1 publication Critical patent/EP0616658B1/fr
Publication of EP0616658B2 publication Critical patent/EP0616658B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • G08B21/245—Reminder of hygiene compliance policies, e.g. of washing hands
    • 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
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/046—Adding soap, disinfectant, or the like in the supply line or at the water outlet
    • 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
    • E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
    • E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
    • E03C1/057—Electrical control devices, e.g. with push buttons, control panels or the like touchless, i.e. using sensors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K2210/00—Combinations of water taps, soap dispensers and hand dryers

Definitions

  • This invention relates to a device for washing and rinsing hands, and is particularly suitable for use in premises where food is prepared or in other premises where regular hand washing is essential and needs to be monitored.
  • Hand washing units which include proximity sensors which automatically switch on a watersupply when hands are inserted into a wash basin, thereby avoiding the need for manual contact with any taps or switches and thus reducing the risk of cross-contamination.
  • the washing water supplied has a hand washing detergent or disinfectant component dissolved in it, for example an iodophor.
  • Hygiene regulations in premises such as restaurants, shops and factories in which food is handled have become increasingly stringent in recent years.
  • the management is held responsible for ensuring that all employees wash their hands properly, for example after using the lavatory, before returning to work. It is however difficult for hand washing regulations to be properly enforced unless it can be comprehensively monitored.
  • an employee may be seen to visit a wash basin it is difficult to ensure that he does more than run his fingers under the tap.
  • soap is used during each hand wash, or indeed to provide soap which can be used without the risk of cross-contamination.
  • the supply of water and soap is controlled by timing relays triggered by a proximity sensor so that water flows for an initial period of a few seconds after which soap is fed to the mixing valve for a few seconds, for example by means of a dosing pump, and thereafter water continues to flow for a period of for example 30 to 40 seconds to enable the soap to be rinsed off.
  • the electronic monitoring system which records each hand wash, may for example be operated by means of user codes, so as to record the number of times each person working on the premises uses the hand wash unit during the course of a day.
  • the system can be linked to a computer which records the name of each person using the unit and the time and duration of each use.
  • the proper use of the unit may be arranged simply to trigger a counter so as to indicate to the management the frequency of use.
  • the counter is arranged not to register a use until soap has been dispensed.
  • a hand wash unit comprises a basin 12 which may suitably be made from stainless steel but could for example be made from aluminium or glass fibre reinforced plastics.
  • the basin is secured to a housing 10, suitably of the same material, by means of screws 11 which pass through overlapping flanges 13 on each side of the basin.
  • the housing 10 is provided with means (not shown) for securing it to a wall.
  • the wash basin 12 is provided with a conventional waste water outlet 14 and sink trap 15.
  • the supply of water to the basin is by way of a mixer valve 16 through which passes water from an inlet pipe 18 and which is arranged when required to mix into the water a predetermined quantity of a liquid soap fed in through a conduit 24.
  • the water pipe 18 is fed by a cold water supply 21 and a hot water supply 23, both of which pass through a thermostatically controlled mixer 22 which can be preset to supply water to the basin at a suitable hand washing temperature such as 40 to 50°C.
  • the thermostatic control 22 is preferably of a fail-safe type so as to avoid scalding.
  • the water flows at the required temperature through an electrically controlled solenoid valve 20 which is arranged to turn the supply on and off in response to control mechanisms to be described in more detail below.
  • Liquid soap is supplied from a container 28 to the inlet conduit 24 by means of an electrically operated chemical dosing pump 26 which is arranged to be switched on and off by a central control system described below, in accordance with a predetermined programme.
  • an infrared proximity sensor 30 On each of the inner side walls 29 of the basin there is provided an infrared proximity sensor 30. Between them these two sensors can detect when hands are inserted into the basin and send an electrical signal to the central control system to switch on the water supply.
  • the central control for the system may suitably be provided on a printed circuit board secured to the rear wall of the unit, with suitable protection against water leaks.
  • the central control unit 32 is supplied by a mains transformer 36 which in turn is connected to an ordinary AC mains supply.
  • the transformer also provides the power necessary for the soap dosing pump 26.
  • Connected to the unit 32 are the dosing pump 26, a user code input panel 34, the proximity sensors 30 and the solenoid valve 20.
  • An output line 40 from the control unit is connected to a computer with a display screen and printer.
  • the unit 34 could comprise a magnetic strip reader operated by personal user cards.
  • the employee inserts his hands into the wash basin 12, causing one or both of the proximity sensors 30 to send a signal to the control unit 32.
  • This activates a series of timer relays and first operates the solenoid valve 20 to switch on the water supply via the mixer unit and nozzle 16.
  • a second timer relay switches on the dosing pump 26 to supply liquid soap to the mixer unit 16 so that a soap solution is fed on to the users hands.
  • the initial running period will have shown the user where the water jet is, ensuring that none of the soap need be missed and thus flushed unused down the waste pipe.
  • the flow of soap continues for a period of for example four to six seconds.
  • the pump 26 is then switched off but water continues to flow into the basin for a period of some 25 to 40 seconds to enable the hands to be washed properly and rinsed.
  • the supply cycle will be interrupted, but will be started again from the same point when the hands are reinserted, dispensing water only.
  • the solenoid valve 20 is switched off and the unit is ready for another user.
  • the whole washing cycle is monitored by the central computer via the line 40. This will record the name of the user, as indicated by the user code keyed in, and will also record the time of use. If the central computer is monitoring more than one unit (and it could of course be monitoring a large number of units throughout the building) it will also record the location of the unit used. The computer will also record the total duration of the time during which the user's hands were in the basin. If for example the user simply inserts his hands for a few seconds, not long enough to start the soap supply, he will not be recorded as having washed his hands at all. Having held his hands in the basin long enough to receive the soap solution, the user will have little choice but to hold them there long enough to rinse the soap off again.
  • the computer record can be monitored by the person responsible, who can for example get the computer to print out a list of "defaulters" who have either not used the system or have used it for a period insufficient to effect a proper wash.
  • the system can be set to flush the unit through with water at predetermined intervals, for example two hours. This flushing could also if desired be set to inject into the system a dose of a suitable disinfectant so as to keep the mixer head and the waste outlet free from microbial contamination.
  • FIG. 4 shows a perspective view from below of a simplified wash and rinse unit in accordance with the invention.
  • This unit is designed to be positioned above a separate wash hand basin, which may be of conventional design.
  • the unit comprises a housing 50 containing the soap supply, valves and other components, which may be broadly as described in connection with Figures 1 to 3.
  • the housing has a forwardly projecting hood 52 on the underside of which are provided a water outlet 56, a soap dispensing outlet 58 and an infrared sensor 60.
  • the soap and water are supplied separately, albeit through adjacent outlets, rather than through a mixing valve. They are however sufficiently close to ensure that if the hands are placed below the water outlet they will also catch the soap when it is dispensed.
  • Pipes 53 and 54 entering the housing at the bottom supply hot and cold water to the device.
  • a digital counter 62 Positioned on the top of the housing is a digital counter 62, arranged to register one wash each time the soap dispenser operates.
  • the infrared proximity sensor switches on the water supply through the outlet 56, the water being maintained at a suitable temperature such as 40°-50°C by a thermostatic control.
  • a valve is automatically actuated to dispense a measured quantity of liquid soap through the outlet 58.
  • a warning light may be provided, to be illuminated when the soap is dispensed.
  • the soap reservoir which may suitably hold 3 to 5 litres of liquid soap, preferably incorporates a detector arranged to be actuated when the soap level falls below a preset minimum such as 0.5 litres.
  • the detector can be arranged to operate a low soap warning light to alert staff. to top up the soap reservoir. Should the warning light be ignored and the soap reservoir run dry, the warning system may for example be arranged to flash or illuminate a verbal message, and to shut down the system so that neither soap nor water is available.
  • Such an event preferably also triggers a signal elsewhere, for example, in the manager's office so that action can immediately be taken.

Claims (6)

  1. Système de lavage et de rinçage des mains pour lavabo comprenant une alimentation en eau (53), un orifice de sortie d'eau (56) avec une alimentation en eau (53, 54) dudit orifice, un moyen (20, 32, 60) pour actionner automatiquement l'alimentation en eau quand les mains sont introduites sous l'orifice de sortie d'eau, un distributeur de savon liquide (26, 28, 58) agencé pour distribuer du savon sur les mains d'un utilisateur après que l'eau a été fournie par l'orifice de sortie d'eau pendant une durée prédéterminée pendant un cycle de lavage, et un système de contrôle électronique pour enregistrer chaque lavage des mains, caractérisé en ce que l'orifice de sortie d'eau (56) est positionné à proximité d'un orifice de sortie de savon (58) et d'un capteur de proximité à infrarouge (60) sur le dessous d'une partie (52) d'un logement (50) qui dépasse vers l'avant au-dessus d'un lavabo et qui contient le distributeur de savon liquide, de telle sorte que lorsque les mains sont positionnées sous l'orifice de sortie d'eau, le capteur de proximité à infrarouge fait actionner l'alimentation en eau, sur quoi le savon est distribué par l'orifice de sortie de savon sur les mains de l'utilisateur après ladite durée prédéterminée, et en ce que le système de contrôle est agencé pour enregistrer un lavage seulement si, après que les mains de l'utilisateur ont été introduites sous l'orifice de sortie d'eau, les mains de l'utilisateur sont tenues en dessous de l'orifice de sortie d'eau et du distributeur de savon jusqu'à ce que le savon ait été distribué.
  2. Système de lavage et de rinçage des mains selon la revendication 1 dans lequel l'alimentation en eau et en savon est commandée par des relais de temporisation déclenchés par un détecteur de proximité (60) de telle sorte que l'eau coule pendant une période initiale prédéterminée, après quoi le savon est distribué pendant une période prédéterminée, puis l'eau continue de couler pendant une nouvelle période prédéterminée ou jusqu'à ce que les mains soient retirées du dessous de l'orifice de sortie d'eau (56).
  3. Système de lavage et de rinçage des mains selon l'une quelconque des revendications précédentes dans lequel le savon est fourni au moyen d'une pompe de dosage (26).
  4. Système de lavage et de rinçage des mains selon l'une quelconque des revendications précédentes, comprenant en outre un lavabo intégré.
  5. Système de lavage et de rinçage des mains selon l'une quelconque des revendications précédentes dans lequel le système de contrôle comprend un affichage numérique (62) pour indiquer le nombre de fois que le savon a été distribué.
  6. Système de lavage et de rinçage des mains selon l'une quelconque des revendications précédentes dans lequel le système de contrôle électronique comprend un ordinateur central agencé pour enregistrer le nom de chaque utilisateur du système, un moyen d'entrée électronique (34) étant prévu pour permettre à l'utilisateur d'entrer un code d'utilisateur.
EP92923900A 1991-11-22 1992-11-23 Unite de lavage pour les mains Expired - Lifetime EP0616658B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9124819 1991-11-22
GB919124819A GB9124819D0 (en) 1991-11-22 1991-11-22 Hand washing unit
PCT/GB1992/002165 WO1993010311A1 (fr) 1991-11-22 1992-11-23 Unite de lavage et de rinçage pour les mains

Publications (3)

Publication Number Publication Date
EP0616658A1 EP0616658A1 (fr) 1994-09-28
EP0616658B1 EP0616658B1 (fr) 1997-10-08
EP0616658B2 true EP0616658B2 (fr) 2001-05-23

Family

ID=10705048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92923900A Expired - Lifetime EP0616658B2 (fr) 1991-11-22 1992-11-23 Unite de lavage pour les mains

Country Status (6)

Country Link
EP (1) EP0616658B2 (fr)
AT (1) ATE159067T1 (fr)
AU (1) AU2950892A (fr)
DE (1) DE69222654T2 (fr)
GB (1) GB9124819D0 (fr)
WO (1) WO1993010311A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7659824B2 (en) 2006-10-31 2010-02-09 Resurgent Health & Medical, Llc Sanitizer dispensers with compliance verification
US7698770B2 (en) 2006-10-31 2010-04-20 Resurgent Health & Medical, Llc Automated appendage cleaning apparatus with brush
US7754022B2 (en) 2006-10-31 2010-07-13 Resurgent Health & Medical, Llc Wash chamber for appendage-washing method
US7818083B2 (en) 2006-10-31 2010-10-19 Resurgent Health & Medical, Llc Automated washing system with compliance verification and automated compliance monitoring reporting
US8146613B2 (en) 2008-04-29 2012-04-03 Resurgent Health & Medical, Llc Wash chamber for surgical environment

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304038B (en) * 1995-08-10 1999-04-28 Hmsi Limited Handwash station
US6125482A (en) * 1991-11-22 2000-10-03 H.M.S.I. Limited Hand washing unit
US6236953B1 (en) 1994-07-12 2001-05-22 Compliance Control, Inc. System for monitoring compliance with apparatuses having predetermined operating parameters
US5793653A (en) * 1994-07-12 1998-08-11 Segal; Noel B. Apparatus and method for monitoring compliance with handsink use regimen
IT1280037B1 (it) * 1994-11-11 1997-12-23 Davide Carli Struttura di rubinetto nel quale e' incorporato un erogatore di liquidi detergenti, disinfettanti e simili
WO1996041058A1 (fr) * 1995-06-07 1996-12-19 Sloan Valve Company Meubles de toilette et leur procede de fonctionnement
US5860437A (en) * 1996-08-07 1999-01-19 Csia Research Foundation Self-cleaning hand washer
GB9625976D0 (en) * 1996-12-13 1997-01-29 Hmsi Limited Handwash apparatus
WO1998036258A2 (fr) * 1997-02-18 1998-08-20 Johnson, Raymond, C. Appareil et procede permettant de controler le lavage des mains
JP3277164B2 (ja) * 1998-07-06 2002-04-22 有限会社テエイク・ワン総合事務所 人体をオゾン水で洗浄するための自動水栓装置
AUPQ138899A0 (en) * 1999-07-05 1999-07-29 Gent, Nicholas Van Sanitary apparatus
US6727818B1 (en) 1999-10-29 2004-04-27 Hill-Rom Services, Inc. Hygiene monitoring system
AU8564401A (en) * 2000-10-03 2002-04-15 Edo Lang Device for controlling and/or regulating the supply of a medium, devices of thistype comprising washing or drying units and a corresponding method
US8249295B2 (en) 2001-03-13 2012-08-21 Johnson Raymond C System for monitoring hand cleaning compliance
US6970574B1 (en) 2001-03-13 2005-11-29 Johnson Raymond C Pattern recognition system and method for monitoring hand washing or application of a disinfectant
US20020175182A1 (en) * 2001-05-23 2002-11-28 Matthews Shaun Kerry Self contained dispenser incorporating a user monitoring system
AU2003222287A1 (en) * 2002-03-12 2003-09-29 Raymond C. Johnson Pattern recognition system and method for monitoring hand washing or application of a disinfectant
US8413952B2 (en) 2003-03-11 2013-04-09 Oblamatik Ag Method for controlling the water supply in a sanitary installation
DK1601841T3 (da) 2003-03-11 2008-04-14 Edo Lang Fremgangsmåde til styring af vandforsyningen i en sanitetsinstallation
EP2695562B1 (fr) * 2012-08-07 2015-09-30 Airbus Operations GmbH Distributeur multi-savons intelligent
US9773403B2 (en) 2015-07-28 2017-09-26 Hill-Rom Services, Inc. Hygiene compliance system
US10607471B2 (en) 2015-10-06 2020-03-31 Hill-Rom Services, Inc. Hand hygiene monitoring system with customizable thresholds
WO2018160894A1 (fr) * 2017-03-02 2018-09-07 Kohler Co. Station de lavage des mains
DE102020113442A1 (de) 2020-05-18 2021-11-18 Schmid's Teig-Spezialitäten GmbH & Co. KG Wasserdurchlaufregler und Verfahren zum Händewaschen
US11549244B2 (en) 2020-11-24 2023-01-10 Renande Alteon Multifunctional smart faucet

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US3639920A (en) * 1970-06-08 1972-02-08 American Standard Inc Programmed plumbing service
JPS6027295B2 (ja) * 1979-03-26 1985-06-28 マシ−ネンフアブリ−ク アド シユ−ルテス ウント コンパニ− ア−ゲ− 手洗装置
CA1307078C (fr) * 1988-06-29 1992-09-08 Rudy Rosa Station de desinfection des mains
IT1229331B (it) * 1989-05-03 1991-08-08 Tecnobios S R L Dispositivo automatico per la pulizia delle mani e relativo procedimento.
US5031258A (en) * 1989-07-12 1991-07-16 Bauer Industries Inc. Wash station and method of operation

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7659824B2 (en) 2006-10-31 2010-02-09 Resurgent Health & Medical, Llc Sanitizer dispensers with compliance verification
US7682464B2 (en) 2006-10-31 2010-03-23 Resurgent Health & Medical, Llc Automated washing system with compliance verification
US7698770B2 (en) 2006-10-31 2010-04-20 Resurgent Health & Medical, Llc Automated appendage cleaning apparatus with brush
US7754022B2 (en) 2006-10-31 2010-07-13 Resurgent Health & Medical, Llc Wash chamber for appendage-washing method
US7754021B2 (en) 2006-10-31 2010-07-13 Resurgent Health & Medical, Llc Wash chamber for appendage-washing apparatus
US7757700B2 (en) 2006-10-31 2010-07-20 Resurgent Health & Medical, Llc Wash chamber for automated appendage-washing apparatus
US7758701B2 (en) 2006-10-31 2010-07-20 Resurgent Health & Medical, Llc Wash chamber for automated appendage-washing apparatus
US7789095B2 (en) 2006-10-31 2010-09-07 Resurgent Health & Medical, Llc Wash chamber for automated appendage-washing apparatus
US7818083B2 (en) 2006-10-31 2010-10-19 Resurgent Health & Medical, Llc Automated washing system with compliance verification and automated compliance monitoring reporting
US7883585B2 (en) 2006-10-31 2011-02-08 Resurgent Health & Medical, Llc Wash chamber for appendage-washing method
US7901513B2 (en) 2006-10-31 2011-03-08 Resurgent Health & Medical, LLC. Wash chamber for appendage-washing method
US7993471B2 (en) 2006-10-31 2011-08-09 Barnhill Paul R Wash chamber for automated appendage-washing apparatus
US8085155B2 (en) 2006-10-31 2011-12-27 Resurgent Health & Medical, Llc Sanitizer dispensers with compliance verification
US8110047B2 (en) 2006-10-31 2012-02-07 Resurgent Health & Medical, Llc Automated washing system with compliance verification
US8146613B2 (en) 2008-04-29 2012-04-03 Resurgent Health & Medical, Llc Wash chamber for surgical environment
US8294585B2 (en) 2008-04-29 2012-10-23 Resurgent Health & Medical, Llc Complete hand care
US8377229B2 (en) 2008-04-29 2013-02-19 Resurgent Health & Medical, Llc Ingress/egress system for hygiene compliance
US8400309B2 (en) 2008-04-29 2013-03-19 Resurgent Health & Medical, Llc Hygiene compliance

Also Published As

Publication number Publication date
AU2950892A (en) 1993-06-15
DE69222654T2 (de) 1998-05-20
WO1993010311A1 (fr) 1993-05-27
ATE159067T1 (de) 1997-10-15
DE69222654D1 (de) 1997-11-13
EP0616658B1 (fr) 1997-10-08
EP0616658A1 (fr) 1994-09-28
GB9124819D0 (en) 1992-01-15

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