EP0910712A1 - Element de robinetterie pour l'ecoulement d'eau - Google Patents

Element de robinetterie pour l'ecoulement d'eau

Info

Publication number
EP0910712A1
EP0910712A1 EP97931652A EP97931652A EP0910712A1 EP 0910712 A1 EP0910712 A1 EP 0910712A1 EP 97931652 A EP97931652 A EP 97931652A EP 97931652 A EP97931652 A EP 97931652A EP 0910712 A1 EP0910712 A1 EP 0910712A1
Authority
EP
European Patent Office
Prior art keywords
water
water outlet
fitting
outlet fitting
sensor
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.)
Granted
Application number
EP97931652A
Other languages
German (de)
English (en)
Other versions
EP0910712B1 (fr
Inventor
Hanns Rump
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.)
Brand-Gerhart Rosemarie
Original Assignee
Brand-Gerhart Rosemarie
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 Brand-Gerhart Rosemarie filed Critical Brand-Gerhart Rosemarie
Publication of EP0910712A1 publication Critical patent/EP0910712A1/fr
Application granted granted Critical
Publication of EP0910712B1 publication Critical patent/EP0910712B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/8741—With common operator
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87571—Multiple inlet with single outlet
    • Y10T137/87676—With flow control
    • Y10T137/87684—Valve in each inlet
    • Y10T137/87692—With common valve operator

Definitions

  • the invention relates to a water outlet fitting according to the preamble of claim 1.
  • Shut-off unit with a lever for manual control of the water outlet included, whereby a hot and cold water pipe opens into the mixing and shut-off unit, from which water with a certain mixing temperature and flow rate is fed to an outlet and exits from the outlet opening of the fitting.
  • Such fittings are mainly used in the private sector, but also in commercial kitchens, medical facilities and public facilities.
  • water outlet fittings are known, which are controlled without contact instead of manual operation by a sensor in the area below the outlet opening for water within the hand washing area, e.g.
  • an infrared sensor is located, which responds to hands held ready for washing under the tap and causes the outflow of water for a certain period of time or while the hands are present in the area of the tap or the washbasin.
  • an electric valve In the toilet area, often only cold water is supplied through an electric valve; Sometimes cold and warm water is mixed to the desired temperature with a mechanical regulator. The electric valve then switches through more or less heated water to the outlet.
  • a water outlet fitting is known from EP 0 245 577, which has both a lever for manual control of the water outlet and the temperature and also a sensor arranged below the outlet opening for contactless request for water delivery.
  • This fitting can alternatively be operated either manually or without contact, so that it can be used both in the private sector and in public facilities.
  • the lever With a screw in one Mechanically fixed position in which the valve is open for the flow of liquid. The constant flow of liquid in this position is prevented by an electrical valve which only opens the water flow when water is requested by approaching the sensor and the sensor thereby emits a sensor signal.
  • a disadvantage of the known What serauslauf fittings with sensor-controlled operation is that they can only be used advantageously for the purpose of hand cleaning and are too inflexible for other applications, in particular for use in canteen kitchens, medical facilities or in the food industry. In these areas, both a contact-free water supply for hand cleaning and a permanent, one-time water supply for rinsing objects or filling a container are needed at the same washing place, if possible.
  • a disadvantage of the solution presented in EP 0 245 577 is that the decision as to whether the fitting should be controllable manually or without contact must already be made when the fitting is installed, since mechanical manipulations on the lever and on the internal water supply for changing over the Operating modes are necessary.
  • the invention has for its object to provide a water outlet fitting, the water outlet, preferably also the water temperature, can be controlled independently of each other both manually and without contact at any time.
  • Working in the area of the water outlet opening, e.g. in the wash basin below should be possible without sensor-controlled water flowing automatically.
  • a water outlet fitting which contains a mixing and shut-off unit with a lever for manual control of the water outlet, a hot and cold water pipe opening into the mixing and shut-off unit, from which water with a certain mixing temperature and flow rate an outlet is given, the water outlet fitting containing a further supply line, bypassing the mixing and shut-off unit, the introduction of water from at least the cold water line, preferably also the Hot water line, made possible in the outlet, the supply line being shut off by means of an electrically controllable valve which is controlled by the sensor signal of a proximity sensor which is able to detect an object brought into its detection area.
  • a proximity sensor which is able to detect an object brought into its detection area.
  • a further mixer unit is preferably located in front of the valve, the cold-warm mixing ratio either being predefined internally, manually adjustable by a controller arranged outside in the area of the water outlet fitting, or contactlessly adjustable by means of two proximity sensors arranged outside in the area of the water outlet fitting .
  • This temperature adjustment can be carried out manually by the controller being mechanically connected to the additional mixer unit or by the controller issuing an electrical signal which controls the mixer unit.
  • the temperature can also be adjusted without contact by weighting the sensor signals of two sensors, one for cold or warm water, and using them to control the mixer unit.
  • the sensor or sensors and the lever for manual actuation are preferably arranged in the area of the water outlet fitting in such a way that manual actuation of the lever and handling in the area of the outlet opening of the water outlet fitting are outside the detection range of the sensor or sensors .
  • Such a spatial arrangement of the sensor or sensors with respect to the lever ensures that the automatic, sensor-controlled water delivery is not triggered during normal, lever-controlled use of the fitting.
  • the two types of operation can thus be clearly separated.
  • the detection area of the sensor for controlling the valve extends in the direction of the side facing away from the outlet opening of the fitting, for example by installing the sensor on the top the water outlet fitting, and the lever is located on the front of the fitting in the area below the outlet opening.
  • the lever can be arranged on the top of the fitting and protrude forward in the direction of the water outflow, the sensor being located on the back of the fitting and being able to detect movements in the rear, lower fitting area.
  • the sensors for controlling the mixer unit are preferably arranged on the side of the water outlet fitting. If, for example, an object comes close to the right sensor and triggers a sensor pulse, this causes the mixer to feed some warmer water into the outlet. Re-throw 'of this sensor can turn a gradual change of the mixing ratio, for example, in fixed steps, bring the benefit of a higher water temperature.
  • the sensors are, for example, infrared proximity sensors with a short-range detection range. If an object comes closer to the active surface of the sensor than a certain distance, preferably not more than 30 cm, the sensor generates an electrical signal which is used to control the valve and, if appropriate, the mixer.
  • An evaluation unit is used to evaluate the sensor signal and to control the valve and mixer unit, to which the sensor signal of the sensor or sensors is transmitted by means of a signal line in each case.
  • the evaluation unit initiates the opening of the valve for a predeterminable time interval and, if necessary, the change in the cold-warm mixing ratio of the mixer unit.
  • the signal line can be an optical fiber cable.
  • the evaluation unit is preferably designed such that it triggers the delivery of water at a predetermined temperature, in particular cold or lukewarm, with each new request for water by triggering the corresponding sensor, the temperature during the outflow of water by actuating the controller or without contact by the Sensors is changeable. After the water dispensing is finished, the temperature automatically reset to the initial value. The manual control is not affected.
  • the evaluation unit preferably initiates a brief rinse after hot water is supplied via the additional line, which cannot be recognized by the lever position, before the valve is locked with cold water, which flushes the hot water out of the spout.
  • valve can also be designed so that it is only suitable for dispensing cold water, i.e. instead of the mixing and shut-off unit, it only has a shut-off unit for metering the cold water, which is bypassed according to the invention by a bypass, the flow through the Bypass is adjustable with the help of a sensor-controlled valve.
  • FIG. 1 shows a water outlet fitting according to the invention in a side view with a sensor arranged on the top
  • FIG. 2 shows a water outlet fitting in front view to show the detection areas of the triggering sensor and sensors for temperature regulation.
  • FIG. 3 shows a water outlet fitting according to the invention in side view with a sensor arranged on the rear
  • Figure 1 shows a water outlet fitting 1 according to the invention in side view with a sensor 7 arranged on the top, which is used for the automatic, sensor-controlled triggering of water delivery.
  • the installation position of the water outlet fitting 1 at the edge of a basin or a tub 14 is indicated, the outlet opening 17 of the armature for the outflow of water being located above the basin or the tub 14.
  • the fitting 1 has in its lower area supply lines 3 and 4 for hot and cold water, respectively, which are connected to the corresponding lines of the installation location. Cold becomes through these lines or heated water fed to a mixing and shut-off unit 2 (mixer tap), in which the water is mixed in a known manner and fed to an outlet 6, via which it flows through the outlet opening 17 into the basin 14.
  • the warm-cold mixture ratio as well as the current total flow can be adjusted manually with a lever 13, a one-hand lever. Rotating the lever usually causes a change in temperature by changing the mixing ratio and lifting or lowering the lever changes the flow from completely shutting off the valve contained in the mixer tap to fully opening it with maximum water flow.
  • Lines 18, 19 branch off from the supply lines 3 and 4 for hot and cold water in the lower region of the fitting 1 before connecting to the mixer tap, which supply cold and warm water to a further mixer unit 8.
  • the water mixed there is fed via a line 5 'to an electrical valve 9, which regulates the flow from line 5' to a line 5, normally blocks it.
  • the line 5 opens into the outlet 6 of the fitting 1, through which the water can flow out into the basin via the outlet opening 17.
  • the valve 9 is normally closed, as is the valve of the mixer tap 2, so that water does not escape through either of the channels 5 or 6.
  • the valve 9 can be controlled via a sensor 7, which is located on the top of the fitting.
  • the sensor 7 is a non-contact proximity sensor, for example an infrared sensor, which reacts to objects entering its detection area 20 by emitting a sensor signal.
  • the detection area 20 is a cone-shaped, upwardly extending area with a depth of a few centimeters, preferably not more than 30 cm.
  • the sensor signal an electrical pulse, is transmitted to an evaluation unit 10 via a signal line 12. This evaluates the sensor signal and converts it into an electrical signal with which the valve 9 is controlled via a further signal line 12 '.
  • the evaluation unit 10 is operated with an electrical power supply 11, which is preferably a battery.
  • the fitting has further sensors for regulating the temperature of the water released by contactless operation via the additional channel 5, signal lines also lead from these to the evaluation unit 10. Then the evaluation unit also controls the additional mixer unit 8, for which purpose signal lines must also run between these components . However, this is not shown here for the sake of clarity.
  • the fitting 1 according to the invention can advantageously be used, for example, in commercial kitchens. It is possible to request water without contact by activating the sensor 7 by bringing an object into the detection area, e.g. for washing hands or for chilling a hot pan. The contactless request is made simply by holding hands or kitchenware briefly in the space above the tap. Such a detection area also virtually excludes unintentional triggering of the water release due to the inadvertent introduction of objects into the detection area. In addition to the contactless actuation of the valve, the usual manual control of the water supply by the lever 13 is possible at any time, e.g. for introducing the water into the sink or for permanently rinsing an object.
  • FIG. 2 schematically shows a water outlet fitting 1 'according to the invention with three sensors 7', 15 and 16 in the view from the front.
  • the sensor T is arranged on the top of the fitting 1 * and is used to trigger a contactlessly requested water delivery.
  • Its detection area 20 ' extends upwards from the top of the fitting, so that in order to request water delivery, an object must first be brought into the detection area and then water is available outside the detection area.
  • the water temperature can be controlled without contact by means of two further sensors 15 and 16.
  • These sensors are arranged on opposite sides in the lower region of the fitting 1 '. Their detection areas 21 and 22 point in opposite directions and neither overlap with each other nor with the detection area of the triggering sensor 7 '.
  • the sensor signals of the sensors 7 ', 15, 16 are evaluated in an evaluation unit and converted into signals for controlling the valve (sensor 7') and for controlling the mixer unit (sensors 15 and 16).
  • the armature shown in FIG. 2 allows manual operation and control of the water flow and the temperature by means of the lever 13 '.
  • the sensors are arranged so that handling the lever 13 'or in the basin below the outlet opening 17' of the fitting 1 'cannot fall into the detection range of one of the sensors.
  • the sensor 7 could also be attached to the rear of the fitting with the detection area facing away from the basin 14 'and the lever 13' located on the top of the fitting.
  • the function of sensors 15 and 16 would not be affected.
  • the arrangement of the sensors outside the fitting, for example on a control panel, is also advantageous.
  • FIG. 3 A further example of a water outlet fitting according to the invention is shown in FIG. 3, where such a fitting 1 "with a sensor 7" arranged on its rear side is shown in a side view.
  • the water flow through this fitting 1 " is controlled manually with a one-hand lever 13" attached to the top of the fitting.
  • a sensor 7 " is located on the back of the fitting, e.g. also on the back of the lever 13", for contactless triggering of water delivery.
  • the front is the side on which the water outlet through the outlet opening 17 "into the basin 14" takes place. In this area, the movements when handling within the pelvis take place, e.g. for washing hands and objects, and also for manual operation of the tap.
  • the detection area 20 "of the sensor 7" turns away from this area, so that accidental contactless triggering of water supply is excluded.
  • an object must be brought briefly into the detection area 20" at the rear of the valve. This is easily possible because of the slightly inclined design of such fittings in the direction of the outflow of water without mechanical hindrance.
  • the invention is advantageously used in commercial kitchens, in the food industry and in medical facilities, but also in private households, in which both non-contact, quick request for water delivery of short duration, for example for quick, hygienic hand cleaning, and manual operation of the fitting for adjustment a water flow of certain strength, temperature and duration, for example for filling a container or rinsing objects, is necessary at one and the same installation location of the fitting.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)
  • Nozzles (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Paper (AREA)
  • Massaging Devices (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

L'invention concerne un élément de robinetterie (1, 1', 1') pour l'écoulement d'eau, destiné en particulier à des cuisines collectives ou à des établissements médicaux. Un tuyau d'eau chaude et un tuyau d'eau froide (3, 4) débouchent chacun dans une unité de mélange et d'obturation (2) qui peut être commandée manuellement au moyen d'un levier et à partir de laquelle de l'eau à une température de mélange et à un débit spécifiques est amenée à une sortie d'écoulement (6). L'élément de robinetterie (1, 1', 1') présenté contient une autre conduite d'amenée (5) qui contourne l'unité de mélange et d'obturation (2) et permet l'amenée de l'eau à partir d'au moins le tuyau d'eau froide (3) jusqu'à la sortie d'écoulement (6). Cette conduite d'amenée (5) peut être fermée au moyen d'une vanne (9) à commande électrique, laquelle est commandée par le signal d'un capteur de proximité (7, 7', 7'). Ce capteur de proximité (7, 7', 7') est placé dans la zone supérieure de l'élément de robinetterie de façon que des mouvements servant à l'actionnement manuel de l'élément de robinetterie n'entrent pas dans sa zone de détection (20, 20', 20'). Ainsi l'élément de robinetterie peut être actionné aussi bien sans contact que manuellement. L'élément de robinetterie présenté comporte avantageusement deux autres capteurs (15, 16) servant à la régulation sans contact de la température.
EP97931652A 1996-06-25 1997-06-25 Element de robinetterie pour l'ecoulement d'eau Expired - Lifetime EP0910712B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19625252 1996-06-25
DE19625252A DE19625252A1 (de) 1996-06-25 1996-06-25 Wasserauslauf mit manueller und automatischer Bedienung
PCT/DE1997/001316 WO1997049875A1 (fr) 1996-06-25 1997-06-25 Element de robinetterie pour l'ecoulement d'eau

Publications (2)

Publication Number Publication Date
EP0910712A1 true EP0910712A1 (fr) 1999-04-28
EP0910712B1 EP0910712B1 (fr) 2002-02-27

Family

ID=7797864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97931652A Expired - Lifetime EP0910712B1 (fr) 1996-06-25 1997-06-25 Element de robinetterie pour l'ecoulement d'eau

Country Status (11)

Country Link
US (1) US6019130A (fr)
EP (1) EP0910712B1 (fr)
AT (1) ATE213802T1 (fr)
AU (1) AU3536097A (fr)
CA (1) CA2258595A1 (fr)
CZ (1) CZ412998A3 (fr)
DE (3) DE19625252A1 (fr)
HU (1) HUP0001171A2 (fr)
IL (1) IL127508A0 (fr)
PL (1) PL330756A1 (fr)
WO (1) WO1997049875A1 (fr)

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Also Published As

Publication number Publication date
WO1997049875A1 (fr) 1997-12-31
EP0910712B1 (fr) 2002-02-27
IL127508A0 (en) 1999-10-28
CZ412998A3 (cs) 1999-11-17
PL330756A1 (en) 1999-05-24
HUP0001171A2 (hu) 2000-08-28
DE19780596D2 (de) 1999-07-01
DE19625252A1 (de) 1998-01-02
CA2258595A1 (fr) 1997-12-31
US6019130A (en) 2000-02-01
DE59706504D1 (de) 2002-04-04
ATE213802T1 (de) 2002-03-15
AU3536097A (en) 1998-01-14

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