EP1311729A1 - Water fitting - Google Patents

Water fitting

Info

Publication number
EP1311729A1
EP1311729A1 EP01937910A EP01937910A EP1311729A1 EP 1311729 A1 EP1311729 A1 EP 1311729A1 EP 01937910 A EP01937910 A EP 01937910A EP 01937910 A EP01937910 A EP 01937910A EP 1311729 A1 EP1311729 A1 EP 1311729A1
Authority
EP
European Patent Office
Prior art keywords
valve
water
housing
water fitting
light barrier
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
EP01937910A
Other languages
German (de)
French (fr)
Other versions
EP1311729B1 (en
Inventor
Walter Eggenberger
Christoph Hauser
Jochen Marquart
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.)
Geberit Technik AG
Original Assignee
Geberit Technik 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 Geberit Technik AG filed Critical Geberit Technik AG
Publication of EP1311729A1 publication Critical patent/EP1311729A1/en
Application granted granted Critical
Publication of EP1311729B1 publication Critical patent/EP1311729B1/en
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
    • Y10T137/9464—Faucets and spouts

Definitions

  • a water fitting according to the preamble of claim 1 is known from EP-A-688.909. It is a water valve with electrical control.
  • a nozzle has connections for cold and hot water.
  • An adjustable mixing valve is installed in the nozzle. This is followed by a solenoid valve, the outlet of which opens into an arm with a water outlet mouthpiece.
  • a presence detector is also installed in the nozzle, which automatically switches on the solenoid valve when one hand approaches. »
  • the present invention has for its object to achieve a safe assembly and disassembly of the housing for maintenance. This object is achieved by the characterizing features of claim 1.
  • FIG. 1 shows a longitudinal section through a water fitting
  • FIG. 2 shows a perspective view of the sensor
  • FIG. 3 shows a circuit diagram of the water fitting according to the invention.
  • the water fitting u holds a cylindrical socket 1, which is attached to a sink 2, for example.
  • the connector 1 has at least one water connection 3.
  • the connection 3 is connected via a line 4 to the input of a solenoid diaphragm valve 5. Its outlet leads to an outlet duct 6.
  • In Spigot 1 also contains a known electronic unit 8 with a proximity sensor 9 for automatically switching on the valve 5 when a hand approaches, which is battery-operated.
  • the proximity sensor 9 is designed as a light barrier, with a transmitting diode 10 and a receiving diode 11.
  • a tubular, curved housing 15 is plugged onto the connector 1 and secured with a screw 16.
  • An outlet line 17 is arranged in the housing 15 and is connected to the channel 6 via a pluggable line 18.
  • the free end 19 of the screw 16 protrudes into a connector 20 arranged between the diodes 10, 11 on the unit 8.
  • the connector 20 has a longitudinal slot 21 on the connecting line between the diodes 10, 11, which slot is narrower than the diameter of the end 19
  • the housing 15 has a window 22 made of a transparent pane.
  • the receiving diode 11 measures not only the light reflected by the approaching hand, but also reflected light from the immediate vicinity of the diodes 10, 11.
  • the unit 8 is tuned during operation in such a way that this stray light has no influence on the functioning of the valve Has.
  • the unit 8 is now designed according to the invention in such a way that the valve 5 is automatically switched off when this state occurs.
  • the unit 8 thus has not only a lower limit for the light intensity received by the receiving diode 11, when it is exceeded, the valve 5 turns on, but also an upper limit, when it is exceeded, the valve 5 is automatically turned off, regardless of whether a hand is near the sensor 9 or not. Both limit values can be set.
  • the scanning can also be carried out with a special receiving diode (2 receiving diodes).
  • the valve 5 closes with a delay in response to the closing signal. Because unscrewing the screw 13 takes a certain time, it is ensured that the valve is closed in time before the housing 17 can be pulled away from the connector 1.
  • the configuration according to the invention ensures that when the housing 15 is removed for maintenance purposes, e.g. to change the battery, no water can leak out of the fitting.
  • the design according to the invention is of course also suitable for fittings with a cold and hot water connection and an adjustable mixing valve which is upstream or downstream of the switching valve 5.

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)

Abstract

The invention relates to a water fitting comprising a pipe (1) having at least one water hook-up (3) that is connected to a valve (5). A housing (15) is detachably connected to the pipe (1) and has a spout line (17) that, when installed, is connected to the outlet of the valve (5). A screw (16) secures the housing (15) on the pipe (1). A sensing device (9) is fitted inside the pipe. When the screw (16) is removed, said sensing device automatically closes the valve (5) and blocks the same in the closed position. This reliably prevents water from flowing out when the housing (15) is disassembled.

Description

Wasserarmatur water fitting
Eine Wasserarmatur gemäss Oberbegriff des Anspruchs 1 ist aus der EP-A-688.909 bekannt. Es handelt sich dabei um eine Wasserarmatur mit elektrischer Steuerung. Ein Stutzen hat Anschlüsse für Kalt- und Warmwasser. Im Stutzen ist ein einstellbares Mischventil eingebaut. Diesem nachgeschaltet ist ein Magnetventil, dessen Ausgang in einen Arm mit einem Wasseraustritts- Mundstück mündet. Im Stutzen ist zudem ein Anwesenheitsdetektor eingebaut, welcher das Magnetventil automatisch bei Annäherung einer Hand einschaltet. »A water fitting according to the preamble of claim 1 is known from EP-A-688.909. It is a water valve with electrical control. A nozzle has connections for cold and hot water. An adjustable mixing valve is installed in the nozzle. This is followed by a solenoid valve, the outlet of which opens into an arm with a water outlet mouthpiece. A presence detector is also installed in the nozzle, which automatically switches on the solenoid valve when one hand approaches. »
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine sichere Montage und Demontage des Gehäuses zwecks Wartung zu erreichen. Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.The present invention has for its object to achieve a safe assembly and disassembly of the housing for maintenance. This object is achieved by the characterizing features of claim 1.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnung erläutert. Darin zeigt:An exemplary embodiment of the invention is explained below with reference to the drawing. It shows:
Figur 1 einen Längsschnitt durch eine Wasserarmatur, Figur 2 eine perspektivische Ansicht des Fühlers und Figur 3 ein Schaltungsschema der erfindungsgemässen Wasserarmatur.1 shows a longitudinal section through a water fitting, FIG. 2 shows a perspective view of the sensor and FIG. 3 shows a circuit diagram of the water fitting according to the invention.
Die Wasserarmatur u fasst einen zylindrischen Stutzen 1, der z.B. auf einem Spülbecken 2 befestigt wird. Der Stutzen 1 hat mindestens einen Wasseranschluss 3. Der Anschluss 3 ist über eine Leitung 4 mit dem Eingang eines Magnet-Membranventils 5 verbunden. Dessen Ausgang führt zu einem Auslasskanal 6. Im Stutzen 1 ist zudem eine an sich bekannte elektronische Einheit 8 mit einem Näherungsfühler 9 zum automatischen Einschalten des Ventils 5 bei Annäherung einer Hand enthalten, die batteriebetrieben ist. Der Näherungsfühler 9 ist als Lichtschranke ausgebildet, mit einer Sendediode 10 und einer Empfangsdiode 11.The water fitting u holds a cylindrical socket 1, which is attached to a sink 2, for example. The connector 1 has at least one water connection 3. The connection 3 is connected via a line 4 to the input of a solenoid diaphragm valve 5. Its outlet leads to an outlet duct 6. In Spigot 1 also contains a known electronic unit 8 with a proximity sensor 9 for automatically switching on the valve 5 when a hand approaches, which is battery-operated. The proximity sensor 9 is designed as a light barrier, with a transmitting diode 10 and a receiving diode 11.
Auf den Stutzen 1 ist ein rohrförmiges , gebogenes Gehäuse 15 aufgesteckt und mit einer Schraube 16 gesichert. Im Gehäuse 15 ist eine Auslaufleitung 17 angeordnet, die über eine steckbare Leitung 18 mit dem Kanal 6 verbunden ist. Das freie Ende 19 der Schraube 16 ragt in einen zwischen den Dioden 10, 11 auf der Einheit 8 angeordneten Stutzen 20. Der Stutzen 20 hat auf der Verbindungslinie zwischen den Dioden 10, 11 eine Längsschlitz 21, der schmaler ist als der Durchmesser des Endes 19. Vor den Dioden 10, 11 hat das Gehäuse 15 ein Fenster 22 aus einer transparenten Scheibe.A tubular, curved housing 15 is plugged onto the connector 1 and secured with a screw 16. An outlet line 17 is arranged in the housing 15 and is connected to the channel 6 via a pluggable line 18. The free end 19 of the screw 16 protrudes into a connector 20 arranged between the diodes 10, 11 on the unit 8. The connector 20 has a longitudinal slot 21 on the connecting line between the diodes 10, 11, which slot is narrower than the diameter of the end 19 In front of the diodes 10, 11, the housing 15 has a window 22 made of a transparent pane.
Die Empfangsdiode 11 misst nicht nur das von der sich nähernden Hand zurückgeworfene Licht, sondern auch reflektiertes Licht aus der unmittelbaren Umgebung der Dioden 10, 11. Die Einheit 8 wird im Betrieb derart abgestimmt, dass dieses Streulicht keinen Ein- fluss auf die Funktionsweise des Ventils hat.The receiving diode 11 measures not only the light reflected by the approaching hand, but also reflected light from the immediate vicinity of the diodes 10, 11. The unit 8 is tuned during operation in such a way that this stray light has no influence on the functioning of the valve Has.
Wenn die Schraube 16 entfernt wird, wird eine direkte optische Verbindung zwischen der Sendediode 10 und der Empfangsdiode 11 hergestellt, also die Abstimmung der Einheit massiv verändert. Die Einheit 8 ist nun erfindungsgemäss derart ausgebildet, dass das Ventil 5 automatisch ausgeschaltet wird, wenn dieser Zustand eintritt. Die Einheit 8 hat also nicht nur einen unteren Grenzwert für die von der Empfangsdiode 11 empfangene Lichtintensität, bei dessen Überschreiten das Ventil 5 einschaltet, sondern zusätzlich einen oberen Grenzwert, bei dessen Überschreiten das Ventil 5 automatisch ausgeschaltet wird, unabhängig davon, ob eine Hand in der Nähe des Sensors 9 ist oder nicht. Beide Grenzwerte sind einstellbar.When the screw 16 is removed, a direct optical connection is established between the transmitter diode 10 and the receiver diode 11, that is to say the tuning of the unit is massively changed. The unit 8 is now designed according to the invention in such a way that the valve 5 is automatically switched off when this state occurs. The unit 8 thus has not only a lower limit for the light intensity received by the receiving diode 11, when it is exceeded, the valve 5 turns on, but also an upper limit, when it is exceeded, the valve 5 is automatically turned off, regardless of whether a hand is near the sensor 9 or not. Both limit values can be set.
Die Abtastung kann auch mit einer speziellen Empfangsdiode erfolgen (2 Empfangsdioden) .The scanning can also be carried out with a special receiving diode (2 receiving diodes).
Das Ventil 5 schliesst auf das Schliesssignal hin verzögert. Weil das Losschrauben der Schraube 13 eine gewisse Zeit dauert, ist sichergestellt, dass das Ventil rechtzeitig geschlossen ist, bevor das Gehäuse 17 vom Stutzen 1 weggezogen werden kann. Durch die erfindungsgemässe Ausbildung wird erreicht, dass beim Entfernen des Gehäuses 15 für Wartungszwecke, z.B. zum Batteriewechsel, kein Wasser aus der Armatur auslaufen kann.The valve 5 closes with a delay in response to the closing signal. Because unscrewing the screw 13 takes a certain time, it is ensured that the valve is closed in time before the housing 17 can be pulled away from the connector 1. The configuration according to the invention ensures that when the housing 15 is removed for maintenance purposes, e.g. to change the battery, no water can leak out of the fitting.
Die erfindungsgemässe Ausbildung eignet sich natürlich auch für Armaturen mit einem Kalt- und Warmwasseranschluss sowie einem einstellbaren Mischventil, das dem Schaltventil 5 vor- oder nachgeschaltet ist. The design according to the invention is of course also suitable for fittings with a cold and hot water connection and an adjustable mixing valve which is upstream or downstream of the switching valve 5.

Claims

Patentansprüche claims
1. Wasserarmatur, umfassend einen Stutzen (1) mit mindestens einem Wasseranschluss (3), ein auf dem Stutzen (1) befestigtes Ventil (5), das mit dem Wasseranschluss (3) verbunden ist und diesen im eingeschalteten Zustand des Ventils mit einem Ausgangskanal (6) verbindet, ein lösbar mit dem Stutzen (1) verbundenes Gehäuse (15) mit einer Auslaufleitung (17) für das Wasser, die über eine Leitung1. Water fitting, comprising a connection piece (1) with at least one water connection (3), a valve (5) attached to the connection piece (1), which is connected to the water connection (3) and this with an outlet channel when the valve is switched on (6) connects, a detachably connected to the socket (1) housing (15) with an outlet line (17) for the water, which is via a line
(18) mit dem Ausgangskanal (6) verbunden ist, sowie ein mechanisches Sicherungselement (16, 19) , das den Arm (15) auf dem Stutzen (1) sichert, gekennzeichnet durch einen Fühler (9) , der die Anwesenheit des Sicherungselementes (16, 19) registriert und bei dessen Entfernen das Ventil (5) in seine Schliessstellung schaltet und in dieser sperrt .(18) is connected to the output channel (6), and a mechanical securing element (16, 19) which secures the arm (15) on the connecting piece (1), characterized by a sensor (9) which detects the presence of the securing element ( 16, 19) and when it is removed the valve (5) switches to its closed position and locks in it.
2. Wasserarmatur nach Anspruch 1, wobei das Sicherungsele- ment (16, 19) eine Schraube ist.2. Water fitting according to claim 1, wherein the securing element (16, 19) is a screw.
3. Wasserarmatur nach den Ansprüchen 1 oder 2 , wobei ein freies Schraubenende (9) im montierten Zustand eine optische Verbindung zwischen einer Sendediode (10) und einer Empfangsdiode (11) einer Lichtschranke unterbricht.3. Water fitting according to claims 1 or 2, wherein a free screw end (9) in the assembled state interrupts an optical connection between a transmitting diode (10) and a receiving diode (11) of a light barrier.
4. Wasserarmatur nach Anspruch 3, wobei die Lichtschranke zusätzlich einen Annäherungsfühler zum Öffnen des Ventils (5) bei Annäherung einer Hand bildet.4. Water fitting according to claim 3, wherein the light barrier additionally forms a proximity sensor for opening the valve (5) when a hand approaches.
5. Verfahren zum Unterbrechen der Wasserzufuhr zu einer Auslaufleitung (17) in einem Gehäuse (15) einer Wasserarmatur gemäss einem der Ansprüche 1 bis 4, dadurch gekenn- zeichnet, dass mit einem mechanischen Anzeigemittel (19) das Ventil (5) automatisch ausgeschaltet wird, wenn das Anzeigemittel (19) aus seiner montierten Stellung bewegt wird.5. A method for interrupting the water supply to an outlet line (17) in a housing (15) of a water fitting according to one of claims 1 to 4, characterized shows that with a mechanical display means (19) the valve (5) is automatically switched off when the display means (19) is moved from its assembled position.
Verfahren nach Anspruch 5, wobei ein Teil einer Befestigungsschraube (16) durch eine Lichtschranke (10, 11) er- fasst wird, welche das Ventil (5) steuert.Method according to claim 5, wherein a part of a fastening screw (16) is detected by a light barrier (10, 11) which controls the valve (5).
Verfahren nach Anspruch 6 wobei bei entfernter Befestigungsschraube (16) das Ventil (5) geschlossen gehalten wird.A method according to claim 6, wherein the valve (5) is kept closed when the fastening screw (16) is removed.
Verfahren nach Anspruch 6 oder 7, wobei die Lichtschranke (10, 11) zusätzlich als Annäherungsfühler für eine Hand ausgebildet ist. The method of claim 6 or 7, wherein the light barrier (10, 11) is additionally designed as a proximity sensor for one hand.
EP01937910A 2000-08-23 2001-06-14 Water fitting Expired - Lifetime EP1311729B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH16412000 2000-08-23
CH164100 2000-08-23
PCT/CH2001/000369 WO2002016704A1 (en) 2000-08-23 2001-06-14 Water fitting

Publications (2)

Publication Number Publication Date
EP1311729A1 true EP1311729A1 (en) 2003-05-21
EP1311729B1 EP1311729B1 (en) 2005-07-20

Family

ID=4565737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01937910A Expired - Lifetime EP1311729B1 (en) 2000-08-23 2001-06-14 Water fitting

Country Status (7)

Country Link
US (1) US6671898B1 (en)
EP (1) EP1311729B1 (en)
CN (1) CN1184387C (en)
AT (2) ATE299970T1 (en)
AU (1) AU2001263697A1 (en)
DE (2) DE50106807D1 (en)
WO (1) WO2002016704A1 (en)

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US9267736B2 (en) 2011-04-18 2016-02-23 Bradley Fixtures Corporation Hand dryer with point of ingress dependent air delay and filter sensor
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Also Published As

Publication number Publication date
DE50106807D1 (en) 2005-08-25
AU2001263697A1 (en) 2002-03-04
AT5632U1 (en) 2002-09-25
ATE299970T1 (en) 2005-08-15
US6671898B1 (en) 2004-01-06
WO2002016704A1 (en) 2002-02-28
CN1184387C (en) 2005-01-12
EP1311729B1 (en) 2005-07-20
CN1388847A (en) 2003-01-01
DE20110197U1 (en) 2001-08-23

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