EP3214233B1 - Shower wc with lockable water conduit - Google Patents

Shower wc with lockable water conduit Download PDF

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Publication number
EP3214233B1
EP3214233B1 EP16020066.3A EP16020066A EP3214233B1 EP 3214233 B1 EP3214233 B1 EP 3214233B1 EP 16020066 A EP16020066 A EP 16020066A EP 3214233 B1 EP3214233 B1 EP 3214233B1
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Prior art keywords
water supply
shower
water
valve
closet
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German (de)
French (fr)
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EP3214233A1 (en
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Simon Bachmann
Daniel Oertli
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Geberit International AG
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Geberit International AG
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Priority to DK16020066.3T priority Critical patent/DK3214233T3/en
Priority to EP16020066.3A priority patent/EP3214233B1/en
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    • 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
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting

Definitions

  • the present invention relates to a shower toilet with a water pipe which can be shut off, according to the preamble of claim 1.
  • the US 2004/0007264 A1 concerns a control circuit which blocks the water supply of a device connected to a water network when a leak is detected.
  • Examples of such appliances are WCs, Boilers, Bathtubs and Bidets.
  • WCs it is recommended to place an appropriate water sensor near a bowl edge.
  • the US 6,024,116 A refers to a gas boiler for a building, wherein in a tub under the gas boiler a responsive to water in the tub safety valve is arranged, which optionally blocks the water supply and the gas supply.
  • the gas boiler has a pressure relief valve in case of overheating due to malfunction.
  • the US 3,810,260 A shows a shower toilet, wherein the shower device is provided in a cuboid housing between a conventional cistern and toilet lid and toilet seat ring.
  • This housing is removable and contains a water tank, which should run empty in the toilet bowl with each use after the end of the shower function.
  • the housing further includes an electric pump, which is preferably battery powered.
  • the invention has for its object to provide a shower toilet, which is improved over the prior art in terms of reliability and / or economy.
  • the invention proceeds from a shower toilet with the mentioned water supply of the shower device.
  • the inventors have dealt with the question of how to deal with a malfunction of a known shut-off valve in this water supply. It comes into consideration when disconnected shut-off the then uncontrolled ongoing water in the water supply simply to enter the toilet bowl, because these can be removed easily and inexpensively in question the amounts of water in question.
  • the inventors found this solution unsatisfactory, because it is known for. B. during prolonged absence or inattention of the user actually to a Economically significant water consumption can come, namely by the funded by the water supply water runs unchecked for a long time.
  • the inventors have considered that in toilets malfunction or clogging of the process can never be completely ruled out, for. As if children are in the home or even outside of the toilet in the sewer system existing reasons. In this case, an overflow of the toilet bowl would be expected.
  • the inventors consider it advantageous, despite the availability of water drainage in the toilet bowl to drive an extra effort and inventively provide a means for detecting the aforementioned uncontrolled water supply and an additional additional valve in the water supply, with which the water supply in the considered case can be shut off.
  • the further valve is then controlled by the mentioned device depending on the detection of an uncontrolled water supply, so respond to this detection by blocking.
  • the detection device described is a sensor or a switch that responds to a water level. If the water level exceeds a set point in a boiler or fresh water tank of the shower toilet, the sensor or switch responds and shuts off the other valve.
  • a humidity sensor could be activated by the water level and cause a control circuit to issue a control command to the valve. In a simpler case, it could be a float switch, the z. B. closes or opens a contact and thus activates the control circuit or directly causes the other valve to shut off.
  • water level is to be understood here as meaning that the overflow of water via an overflow edge is also meant to exceed a setpoint by a water level, although, of course, the water level at an overflow edge is limited by the overflow.
  • Such an overflow can, for. B. on a boiler for hot water supply of the shower device or on a fresh water tank (for example, powered by a water heater) may be provided.
  • a vertical safety distance is maintained above the maximum water level, in which the water supply from the top expires freely in the boiler or fresh water tank.
  • the vertical safety distance is not necessarily meant in the sense of an exclusively vertical spacing between the spout and the water level in the boiler or fresh water tank; rather, the distance should have a vertical component in the sense of this safety distance, so it can also run obliquely over a ramp that directs the leaking water.
  • the sensor or switch can be replaced by the overflowing water from the boiler or Fresh water tank are triggered and lead to the desired Absperr risk the other valve.
  • This further valve is preferably a safety valve which closes in the de-energized state and is to be opened electrically (“normally closed”), so that the water supply line is shut off in the event of a power failure.
  • a safety valve which closes in the de-energized state and is to be opened electrically (“normally closed"), so that the water supply line is shut off in the event of a power failure.
  • it may be provided in addition to a control valve of the shower toilet.
  • the inventively existing sensor or switch for detecting the uncontrolled water supply can also control the valve for controlling the water supply, so the already existing valve in the water supply, via the control of the other valve, so that this has a shut-off function in cases where Although this valve is not defective (for which the other valve is provided), but in which there is another reason to capture excessive water. Then additional redundancy would be provided for these situations.
  • the control valve has a double function and serves on the one hand to controlled and the functional sequence of the shower fitting corresponding inlet to the shower device in normal operation and on the other hand the shut-off in exceptional cases, namely response of the second switch or sensor.
  • two sensors such as two independent level sensors in a boiler or fresh water tank or z.
  • the two sensors then control either the further valve or only one of them controls this further valve and the other the already existing valve for controlling the water supply of the shower toilet.
  • valves and the switches or sensors are preferably structurally integrated in the shower toilet itself, ie not outside of it, for example, at the beginning of a water supply line.
  • they may be provided in such a toilet bowl in a body made of ceramic or plastic toilet body of the shower toilet and / or an attachment housing.
  • it is a so-called stand-alone shower toilet, although the invention is of course also feasible with, for example, in the installation wall (partially) integrated showering technique and in particular components according to the invention.
  • an autonomous electronic hardware is preferably provided for the already mentioned control between the detection of the uncontrolled water supply by the sensor or switch on the one hand and on the other hand, the at least one controlled valve.
  • the hardware is constructed independently of the overall control provided for the rest of the operations of the shower toilet, so z.
  • the control of the other valve is not done only by a software on the same microcontroller, which takes over the shower-WC control.
  • the reliability can be increased because experience has shown that such overall control devices can fail.
  • This separate hardware may for example be constructed as a discrete circuit of electronic components or a second microcontroller with an independent software (firmware) or an FPGA (Field Programmable Gate Array).
  • firmware firmware
  • FPGA Field Programmable Gate Array
  • the single figure essentially represents a section of a hydraulic line diagram of a shower toilet as an exemplary embodiment.
  • reference numeral 1 is provided in a conventional manner a permanent connection to a building-side fresh water mains, with a manual shut-off valve 2 and a particle filter. 3
  • a free outlet 7 in a water tank here a fresh water tank 8 for supplying a water heater, not shown, the shower facility of a shower toilet.
  • a free vertical distance of about 22 mm to a maximum level which is defined by an overflow edge 9 of the fresh water tank 8.
  • water in the fresh water tank 8 under any circumstances can no longer return to the water supply line 6. Rather, excess water flows from the fresh water tank 8 via the overflow edge 9 into a collecting tray 10, in the lower region of which a water sensor 11 is provided.
  • This water sensor responds to the presence of water in the shell 10 and actuates via an evaluation and control hardware 12, the already mentioned safety valve 5 (the “other" valve). This would be closed in the detection of water in the shell 10 and is otherwise open. However, it is a "normally-closed" valve, so it also closes in the event of a power failure.
  • the water tank 8 supplied via a direction indicated at its lower end line 13, in which a water pump 14 is included, the water heater of the shower device and ultimately the shower arm of the shower device. These details are not shown and correspond to the state of the art.
  • a further sensor namely a level sensor 15, is provided, which via a signal line is connected to the overall control 16 of the shower toilet and via this with the control valve 4.
  • the overall control can thus control the level in the water tank 8 depending on the operating state of the shower WC and in particular lock the water inlet through the outlet 7 with the control valve 4 when the level sensor 15 indicates that the water tank 8 is completely filled.
  • the controller 16 is solved in the manner already mentioned separately from the controller 12 for the water sensor 11 and the control of the safety valve 5. "Separate” means no spatial or structural separation, but an independent functioning. Thus, if the overall controller 16 "crashes” or “hangs itself down”, then this does not automatically affect the controller 12 because it is not just a piece of software in the overall controller 16, but works independently with stand-alone hardware.
  • the lavatory body of the shower toilet comprises in the present case all components shown except the most upstream piece of water supply line 6 with the manual stopcock 2 and the filter 3. This piece represents the connection to the mains in the building wall.
  • the water sensor 11, the controller 12 and the further valve 5 protect against an uncontrolled water supply when the control valve 4 does not close due to a defect or is not driven due to a fault in the overall control 16 or if the level sensor 15 fails. It then comes neither to excessive water consumption nor leakage of water on the floor nor to overflow the toilet bowl, even if this or her spout should be clogged.
  • the embodiment could be modified by z. B. instead of the overflow trough 10 and the water sensor 11, a second level sensor is selected or the same a level sensor 15 additionally the safety valve 5 on the Control 12 or via the overall control 16 closes when it has to close the control valve 4.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Description

Die vorliegende Erfindung betrifft ein Dusch-WC mit einer Wasserleitung, die absperrbar ist, gemäss dem Oberbegriff des Anspruchs 1.The present invention relates to a shower toilet with a water pipe which can be shut off, according to the preamble of claim 1.

Dusch-WCs, also Wasserklosetts mit einer Unterduscheinrichtung, sind seit längerer Zeit bekannt und gewinnen in den letzten Jahren auch in Europa zunehmend an Bedeutung. Für die namensgebende Unterduscheinrichtung, die den Benutzer nach der WC-Benutzung reinigen soll, ist zumindest eine Wasserleitung und im Regelfall auch eine elektrische Zuleitung erforderlich. Dazu ist ein solches Dusch-WC in aller Regel fest an einem Wasserversorgungsnetz (und gegebenenfalls an einem elektrischen Versorgungsnetz) des entsprechenden Gebäudes angeschlossen. Außerdem ist das Dusch-WC wie jedes andere Wasserklosett auch mit einem Abwasserleitungssystem verbunden, um Fäkalien und Schmutzwasser abführen zu können. Das Wasser aus der Wasserzuleitung der Unterduscheinrichtung wird letztlich über dieses Abwasserleitungssystem abgeführt.Shower toilets, so water closets with a Unterduscheinrichtung, have been known for some time and gain in recent years in Europe increasingly important. For the name giving Unterduscheinrichtung that should clean the user after using the toilet, at least a water pipe and usually an electrical supply line is required. For this purpose, such a shower toilet is usually firmly connected to a water supply network (and optionally to an electrical supply network) of the corresponding building. In addition, the shower toilet is like any other water closet also connected to a sewer system to remove feces and dirty water can. The water from the water supply to the Unterduscheinrichtung is ultimately discharged through this sewer system.

Die US 2004/0007264 A1 betrifft eine Steuerschaltung, mit der die Wasserversorgung eines an ein Wassernetz angeschlossenen Gerätes bei Erfassung eines Lecks gesperrt wird. Als Beispiele für solche Geräte werden WCs, Boiler, Badewannen und Bidets genannt. Im Fall des WCs wird eine Anordnung eines entsprechenden Wassersensors in der Nähe eines Schüsselrandes empfohlen.The US 2004/0007264 A1 concerns a control circuit which blocks the water supply of a device connected to a water network when a leak is detected. Examples of such appliances are WCs, Boilers, Bathtubs and Bidets. In the case of the WC, it is recommended to place an appropriate water sensor near a bowl edge.

Die US 6,024,116 A bezieht sich auf eine Gastherme für ein Gebäude, wobei in einer Wanne unter der Gastherme ein auf Wasser in der Wanne ansprechendes Sicherheitsventil angeordnet ist, das gegebenenfalls die Wasserzufuhr und auch die Gaszufuhr sperrt. Die Gastherme weist ein Überdruckventil für den Fall einer Überhitzung durch Fehlfunktion auf.The US 6,024,116 A refers to a gas boiler for a building, wherein in a tub under the gas boiler a responsive to water in the tub safety valve is arranged, which optionally blocks the water supply and the gas supply. The gas boiler has a pressure relief valve in case of overheating due to malfunction.

Die US 3,810,260 A zeigt ein Dusch-WC, wobei die Duscheinrichtung in einem quaderförmigen Gehäuse zwischen einem konventionellen Spülkasten und WC-Deckel und WC-Sitzring vorgesehen ist. Dieses Gehäuse ist abnehmbar und enthält einen Wassertank, der bei jeder Benutzung nach Ende der Duschfunktion in die WC-Schüssel leerlaufen soll. Das Gehäuse enthält ferner eine elektrische Pumpe, die vorzugsweise batteriebetrieben ist.The US 3,810,260 A shows a shower toilet, wherein the shower device is provided in a cuboid housing between a conventional cistern and toilet lid and toilet seat ring. This housing is removable and contains a water tank, which should run empty in the toilet bowl with each use after the end of the shower function. The housing further includes an electric pump, which is preferably battery powered.

Der Erfindung liegt die Aufgabe zugrunde, ein Dusch-WC anzugeben, das gegenüber dem Stand der Technik hinsichtlich Funktionssicherheit und/oder Ökonomie verbessert ist.The invention has for its object to provide a shower toilet, which is improved over the prior art in terms of reliability and / or economy.

Gelöst wird die Aufgabe durch ein Dusch-WC nach Anspruch 1, wobei die abhängigen Ansprüche vorteilhafte Ausgestaltungen definieren.The object is achieved by a shower toilet according to claim 1, wherein the dependent claims define advantageous embodiments.

Dabei geht die Erfindung von einem Dusch-WC mit der erwähnten Wasserzuleitung der Duscheinrichtung aus. Die Erfinder haben sich dabei mit der Frage befasst, wie mit einer Funktionsstörung eines an sich bekannten Absperrventils in dieser Wasserzuleitung umzugehen ist. Dabei kommt in Betracht, bei gestörtem Absperrventil das dann unkontrolliert weiterlaufende Wasser in der Wasserzuleitung einfach in die WC-Schüssel einzuleiten, weil durch diese einfach und kostengünstig die in Frage kommenden Wassermengen abgeführt werden können. Allerdings empfanden die Erfinder diese Lösung als unbefriedigend, weil es z. B. bei längerer Abwesenheit oder Unaufmerksamkeit des Benutzers tatsächlich zu eine ökonomisch wesentlichen Wasserverbrauch kommen kann, indem nämlich das durch die Wasserzuleitung geförderte Wasser über längere Zeit ungebremst abläuft. Außerdem haben die Erfinder überlegt, dass bei Klosetts Störungen oder Verstopfungen des Ablaufs nie ganz auszuschließen sind, z. B. wenn Kinder im Haushalt sind oder auch aus außerhalb des WCs im Abwasserleitungssystem bestehenden Gründen. In diesem Fall wäre mit einem Überlaufen der WC-Schüssel zu rechnen.The invention proceeds from a shower toilet with the mentioned water supply of the shower device. The inventors have dealt with the question of how to deal with a malfunction of a known shut-off valve in this water supply. It comes into consideration when disconnected shut-off the then uncontrolled ongoing water in the water supply simply to enter the toilet bowl, because these can be removed easily and inexpensively in question the amounts of water in question. However, the inventors found this solution unsatisfactory, because it is known for. B. during prolonged absence or inattention of the user actually to a Economically significant water consumption can come, namely by the funded by the water supply water runs unchecked for a long time. In addition, the inventors have considered that in toilets malfunction or clogging of the process can never be completely ruled out, for. As if children are in the home or even outside of the toilet in the sewer system existing reasons. In this case, an overflow of the toilet bowl would be expected.

Ferner existieren im Markt auch Dusch-WCs, bei denen ein unkontrollierter Wasserzulauf durch die Wasserzuleitung zu einem Wasseraustritt auf den Boden z. B. des betroffenen Badezimmers zur Folge hätte. Man baut in diesen Fällen offenbar darauf, dass der Nutzer dies rasch zur Kenntnis nimmt und Abhilfe schafft und das Klarwasser, dass in diesen Fällen noch nicht in der WC-Schüssel war, in einem Badezimmer nur begrenzten Schaden verursacht. Auch diese Lösung wird als unbefriedigend angesehen, zum einen aus den genannten ökonomischen Gründen und zum anderen, weil bei längerer Abwesenheit oder Unaufmerksamkeit des Benutzers tatsächlich Gebäudeschäden drohen.Furthermore, there are shower toilets in the market, in which an uncontrolled water supply through the water supply to a water outlet to the floor z. As the affected bathroom would result. In these cases, it is evidently built on the fact that the user quickly takes note of this and remedy it, and that the clear water, which in these cases was not yet in the toilet bowl, causes only limited damage in a bathroom. Also, this solution is considered unsatisfactory, on the one hand for the above economic reasons and on the other hand, because in case of prolonged absence or inattention of the user actually threaten building damage.

Stattdessen halten es die Erfinder für vorteilhaft, trotz der Verfügbarkeit der Wasserableitung in der WC-Schüssel einen Zusatzaufwand zu treiben und erfindungsgemäß eine Einrichtung zum Erfassen des erwähnten unkontrollierten Wasserzulaufs und ein zusätzliches weiteres Ventil in der Wasserzuleitung vorzusehen, mit welchem die Wasserzuleitung in dem betrachteten Fall abgesperrt werden kann. Dazu soll das weitere Ventil abhängig von der Erfassung eines unkontrollierten Wasserzulaufs durch die erwähnte Einrichtung dann angesteuert werden, also auf diese Erfassung durch Absperren reagieren.Instead, the inventors consider it advantageous, despite the availability of water drainage in the toilet bowl to drive an extra effort and inventively provide a means for detecting the aforementioned uncontrolled water supply and an additional additional valve in the water supply, with which the water supply in the considered case can be shut off. For this purpose, the further valve is then controlled by the mentioned device depending on the detection of an uncontrolled water supply, so respond to this detection by blocking.

Zwar sind damit weitere Bauteile und ein gewisser steuertechnischer Aufwand nötig, jedoch können mit der Erfindung erstens Wasserverschwendung bei längerem Wasserzulauf in die Schüssel, zweitens Bauschäden bei Austritt von Wasser aus einer überlaufenen Schüssel oder bei entsprechender Konstruktion des Dusch-WCs direkt aus dem Dusch-WC in das Gebäude (etwa auf den Badezimmerboden) verhindert und damit insgesamt hinsichtlich Sicherheit und Ökonomie Vorteile erzielt werden. Das gilt auch im Falle einer Ablaufstörung, Verstopfung der WC-Schüssel z. B. durch spielende Kinder (Toilettenpapier), bei Urlaubsabwesenheit und unter ähnlichen besonderen Umständen.Although so are more components and a certain tax technical effort necessary, but with the invention firstly water wastage with prolonged water intake into the bowl, secondly structural damage in the discharge of water from an overflowed bowl or with appropriate design of the shower toilet directly from the shower toilet in the building (about on the bathroom floor) prevent and thus overall benefits in terms of security and economy. This also applies in the case of a flow disturbance, obstruction of the toilet bowl z. B. by playing children (toilet paper), on vacation absence and under similar circumstances.

Die beschriebene Erfassungseinrichtung ist ein Sensor oder ein Schalter, der auf einen Wasserstand anspricht. Wenn der Wasserstand einen Sollwert in einem Boiler oder Frischwassertank des Dusch-WCs überschreitet, spricht der Sensor oder Schalter an und sorgt für ein Absperren durch das weitere Ventil. Z. B. könnte ein Feuchtigkeitssensor durch den Wasserstand aktiviert werden und eine Steuerschaltung zu einem Stellbefehl an das Ventil veranlassen. In einem einfacheren Fall könnte es sich um einen Schwimmschalter handeln, der ab einer bestimmten Wasserstandhöhe z. B. einen Kontakt schließt oder öffnet und damit die Steuerschaltung aktiviert oder direkt das weitere Ventil zum Absperren veranlasst.The detection device described is a sensor or a switch that responds to a water level. If the water level exceeds a set point in a boiler or fresh water tank of the shower toilet, the sensor or switch responds and shuts off the other valve. For example, a humidity sensor could be activated by the water level and cause a control circuit to issue a control command to the valve. In a simpler case, it could be a float switch, the z. B. closes or opens a contact and thus activates the control circuit or directly causes the other valve to shut off.

Der Begriff des Wasserstandes ist hier so zu verstehen, dass das Überlaufen von Wasser über einen Überlaufrand ebenfalls als Überschreiten eines Sollwerts durch einen Wasserstand gemeint ist, obwohl natürlich an einem Überlaufrand der Wasserstand durch das Überlaufen begrenzt ist.The term "water level" is to be understood here as meaning that the overflow of water via an overflow edge is also meant to exceed a setpoint by a water level, although, of course, the water level at an overflow edge is limited by the overflow.

Ein solcher Überlauf kann z. B. an einem Boiler für Warmwasserversorgung der Duscheinrichtung oder an einem Frischwassertank (der z. B. einen Durchlauferhitzer versorgt) vorgesehen sein. Vorzugsweise ist dann über dem maximalen Wasserpegel ein vertikaler Sicherheitsabstand eingehalten, in den die Wasserzuleitung von oben frei in den Boiler oder Frischwassertank ausläuft. Hierbei ist der vertikale Sicherheitsabstand nicht zwingend im Sinn einer ausschließlich vertikalen Beabstandung zwischen dem Auslauf und dem Wasserstand in dem Boiler oder Frischwassertank gemeint; vielmehr soll der Abstand eine vertikale Komponente im Sinn dieses Sicherheitsabstandes haben, er kann also auch schräg verlaufen über eine Rampe, die das auslaufende Wasser leitet. Wie bereits ausgeführt, kann der Sensor oder Schalter durch das überlaufende Wasser aus dem Boiler oder Frischwassertank ausgelöst werden und zu der gewünschten Absperraktion des weiteren Ventils führen.Such an overflow can, for. B. on a boiler for hot water supply of the shower device or on a fresh water tank (for example, powered by a water heater) may be provided. Preferably, then a vertical safety distance is maintained above the maximum water level, in which the water supply from the top expires freely in the boiler or fresh water tank. Here, the vertical safety distance is not necessarily meant in the sense of an exclusively vertical spacing between the spout and the water level in the boiler or fresh water tank; rather, the distance should have a vertical component in the sense of this safety distance, so it can also run obliquely over a ramp that directs the leaking water. As already stated, the sensor or switch can be replaced by the overflowing water from the boiler or Fresh water tank are triggered and lead to the desired Absperraktion the other valve.

Dieses weitere Ventil ist vorzugsweise ein im stromlosen Zustand schließendes und elektrisch zu öffnendes Sicherheitsventil ("normally closed"), so dass bei einem Stromausfall die Wasserzuleitung abgesperrt ist. Insbesondere kann es zusätzlich zu einem Regelventil des Dusch-WCs vorgesehen sein.This further valve is preferably a safety valve which closes in the de-energized state and is to be opened electrically ("normally closed"), so that the water supply line is shut off in the event of a power failure. In particular, it may be provided in addition to a control valve of the shower toilet.

Der erfindungsgemäß vorhandene Sensor oder Schalter zum Erfassen des unkontrollierten Wasserzulaufs kann über die Ansteuerung des weiteren Ventils hinaus auch das Ventil zum Steuern der Wasserversorgung, also das ohnehin vorhandene Ventil in der Wasserzuleitung, ansteuern, so dass dieses also eine Absperrfunktion in Fällen hat, in denen zwar dieses Ventil nicht schadhaft ist (für die ja das weitere Ventil vorgesehen ist), sondern in denen es aus anderen Gründen zu einer Erfassung von übermäßig viel Wasser kommt. Dann wäre für diese Situationen eine zusätzliche Redundanz vorgesehen.The inventively existing sensor or switch for detecting the uncontrolled water supply can also control the valve for controlling the water supply, so the already existing valve in the water supply, via the control of the other valve, so that this has a shut-off function in cases where Although this valve is not defective (for which the other valve is provided), but in which there is another reason to capture excessive water. Then additional redundancy would be provided for these situations.

Nach einer weiteren Ausgestaltung der Erfindung gibt es mindestens zwei Schalter bzw. Sensoren zum Erfassen des Wasserzulaufs, die voneinander unabhängig sind, von denen einer, wie bereits erwähnt, das weitere Ventil ansteuert, und der andere entweder noch ein weiteres oder ein ohnehin vorhandenes Regelventil ansteuert. Im letztgenannten Fall hat also das Regelventil eine Doppelfunktion und dient einerseits zur gesteuerten und dem Funktionsablauf der Duscheinrichtung entsprechenden Zulauf zur Duscheinrichtung im Normalbetrieb und andererseits dem Absperren im Ausnahmefall, nämlich bei Ansprechen des zweiten Schalters oder Sensors. Z. B. könnten also zwei Sensoren kombiniert sein, etwa zwei voneinander unabhängige Füllstandsensoren in einem Boiler oder Frischwassertank oder z. B. ein Füllstandsensor darin und ein zweiter Sensor, der über einen Überlauf abgeführtes Wasser erfasst. Die beiden Sensoren steuern dann entweder beide das weitere Ventil an oder nur einer davon steuert dieses weitere Ventil an und der andere das ohnehin vorhandene Ventil zum Steuern der Wasserversorgung des Dusch-WCs.According to a further embodiment of the invention, there are at least two switches or sensors for detecting the water supply, which are independent of each other, one of which, as already mentioned, the further valve controls, and the other either still another or already existing control valve controls , In the latter case, therefore, the control valve has a double function and serves on the one hand to controlled and the functional sequence of the shower fitting corresponding inlet to the shower device in normal operation and on the other hand the shut-off in exceptional cases, namely response of the second switch or sensor. For example, so could be combined two sensors, such as two independent level sensors in a boiler or fresh water tank or z. B. a level sensor in it and a second sensor that detects over an overflow water discharged. The two sensors then control either the further valve or only one of them controls this further valve and the other the already existing valve for controlling the water supply of the shower toilet.

Die Ventile und die Schalter oder Sensoren sind vorzugsweise in dem Dusch-WC selbst baulich integriert, also nicht außerhalb davon bspw. am Anfang einer Wasserzuleitung angebracht. Insbesondere können sie in einem aus Keramik oder auch Kunststoff bestehenden Klosettkörper des Dusch-WCs und/oder einem Aufsatzgehäuse auf einem solchen Klosettkörper vorgesehen sein. Vorzugsweise handelt es sich um ein sogenanntes Stand-Alone-Dusch-WC, wenngleich die Erfindung natürlich auch mit zum Beispiel in der Installationswand (teilweise) integrierter Duschtechnik und insbesondere erfindungsgemäßen Bauteilen realisierbar ist.The valves and the switches or sensors are preferably structurally integrated in the shower toilet itself, ie not outside of it, for example, at the beginning of a water supply line. In particular, they may be provided in such a toilet bowl in a body made of ceramic or plastic toilet body of the shower toilet and / or an attachment housing. Preferably, it is a so-called stand-alone shower toilet, although the invention is of course also feasible with, for example, in the installation wall (partially) integrated showering technique and in particular components according to the invention.

Schließlich ist vorzugsweise für die bereits erwähnte Steuerung zwischen der Erfassung des unkontrollierten Wasserzulaufs durch den Sensor oder Schalter einerseits und andererseits dem zumindest einen davon angesteuerten Ventil eine autonome elektronische Hardware vorgesehen. Damit ist gemeint, dass die Hardware unabhängig von der für übrige Betriebsabläufe des Dusch-WCs vorgesehenen Gesamtsteuerung aufgebaut ist, also z. B. die Steuerung des weiteren Ventils nicht etwa nur durch eine Software auf demselben Mikrocontroller erfolgt, der insgesamt die Dusch-WC-Steuerung übernimmt. Damit kann die Ausfallsicherheit erhöht werden, weil es erfahrungsgemäß bei solchen Gesamtsteuereinrichtungen zu Ausfällen kommen kann.Finally, an autonomous electronic hardware is preferably provided for the already mentioned control between the detection of the uncontrolled water supply by the sensor or switch on the one hand and on the other hand, the at least one controlled valve. This means that the hardware is constructed independently of the overall control provided for the rest of the operations of the shower toilet, so z. B. the control of the other valve is not done only by a software on the same microcontroller, which takes over the shower-WC control. Thus, the reliability can be increased because experience has shown that such overall control devices can fail.

Diese separate Hardware kann zum Beispiel als diskrete Schaltung aus elektronischen Bauelementen aufgebaut sein oder ein zweiter Mikrokontroller mit einer unabhängigen Software (firmware) oder auch ein FPGA (Field Programmable Gate Array) sein.
Die Erfindung wird im Folgenden anhand eines Ausführungsbeispiels veranschaulicht, dessen einzelne Merkmale aber auch in anderen Kombinationen von Bedeutung sein können.This separate hardware may for example be constructed as a discrete circuit of electronic components or a second microcontroller with an independent software (firmware) or an FPGA (Field Programmable Gate Array).
The invention is illustrated below with reference to an embodiment, the individual features but also in other combinations of meaning.

Die einzige Figur stellt im Wesentlichen einen Ausschnitt aus einem hydraulischen Leitungsschema eines Dusch-WCs als Ausführungsbeispiel dar. Bei dem Bezugszeichen 1 ist in üblicher Weise ein Festanschluss an ein gebäudeseitiges Frischwasserleitungsnetz vorgesehen, und zwar mit einem manuellen Absperrhahn 2 und einem Partikelfilter 3.The single figure essentially represents a section of a hydraulic line diagram of a shower toilet as an exemplary embodiment. In the reference numeral 1 is provided in a conventional manner a permanent connection to a building-side fresh water mains, with a manual shut-off valve 2 and a particle filter. 3

Stromabwärts davon findet sich eine "Reihenschaltung" aus einem ersten Regelventil 4 und einem weiteren zweiten Sicherheitsventil 5. Das Symbol dazwischen bezeichnet eine einstellbare Drossel zur Begrenzung des Wasservolumenstroms.Downstream of this there is a "series connection" of a first control valve 4 and a further second safety valve 5. The symbol therebetween denotes an adjustable throttle for limiting the water volume flow.

Weiter stromabwärts entlang der in der Figur übrigens mit 6 bezeichneten Wasserzuleitung folgt ein freier Auslauf 7 in einen Wassertank, hier einen Frischwassertank 8 zur Versorgung eines nicht gezeigten Durchlauferhitzers der Duscheinrichtung eines Dusch-WCs. Unter diesem freien Auslauf 7 existiert eine freie vertikale Strecke von etwa 22 mm bis zu einem maximalen Füllstand, der durch eine Überlaufkante 9 des Frischwassertanks 8 definiert ist.Further downstream along the designated in the figure with 6 water supply follows a free outlet 7 in a water tank, here a fresh water tank 8 for supplying a water heater, not shown, the shower facility of a shower toilet. Under this free outlet 7 exists a free vertical distance of about 22 mm to a maximum level, which is defined by an overflow edge 9 of the fresh water tank 8.

Damit kann Wasser im Frischwassertank 8 unter keinen Umständen mehr in die Wasserzuleitung 6 zurück. Vielmehr fließt überschüssiges Wasser aus dem Frischwassertank 8 über die Überlaufkante 9 in eine Auffangschale 10, in deren unterem Bereich ein Wassersensor 11 vorgesehen ist. Dieser Wassersensor spricht auf das Vorhandensein von Wasser in der Schale 10 an und betätigt über eine Auswerte- und Ansteuerhardware 12 das bereits erwähnte Sicherheitsventil 5 (das "weitere" Ventil). Dieses würde bei der Detektion von Wasser in der Schale 10 geschlossen und ist sonst offen. Es handelt sich allerdings um ein "normally-closed"-Ventil, so dass es im Fall eines Stromausfalls ebenfalls schließt.Thus, water in the fresh water tank 8 under any circumstances can no longer return to the water supply line 6. Rather, excess water flows from the fresh water tank 8 via the overflow edge 9 into a collecting tray 10, in the lower region of which a water sensor 11 is provided. This water sensor responds to the presence of water in the shell 10 and actuates via an evaluation and control hardware 12, the already mentioned safety valve 5 (the "other" valve). This would be closed in the detection of water in the shell 10 and is otherwise open. However, it is a "normally-closed" valve, so it also closes in the event of a power failure.

Der Wassertank 8 versorgt über eine an seinem unteren Ende angedeutete Leitung 13, in der eine Wasserpumpe 14 enthalten ist, den Durchlauferhitzer der Duscheinrichtung und letztlich den Duscharm der Duscheinrichtung. Diese Details sind nicht gezeigt und entsprechen dem Stand der Technik.The water tank 8 supplied via a direction indicated at its lower end line 13, in which a water pump 14 is included, the water heater of the shower device and ultimately the shower arm of the shower device. These details are not shown and correspond to the state of the art.

In dem Wassertank 8 ist knapp unter dem Niveau der Überlaufkante 9 ein weiterer Sensor, nämlich ein Füllstandsensor 15, vorgesehen, der über eine Signalleitung mit der Gesamtsteuerung 16 des Dusch-WCs und über diese mit dem Regelventil 4 verbunden ist. Die Gesamtsteuerung kann damit abhängig vom Betriebszustand des Dusch-WCs den Füllstand in dem Wassertank 8 steuern und insbesondere den Wasserzulauf durch den Auslauf 7 mit dem Regelventil 4 sperren, wenn der Füllstandsensor 15 anzeigt, dass der Wassertank 8 vollständig gefüllt ist. Die Steuerung 16 ist in der bereits angesprochenen Weise separat von der Steuerung 12 für den Wassersensor 11 und die Ansteuerung des Sicherheitsventils 5 gelöst. Dabei bedeutet "separat" keine räumliche oder bauliche Trennung, sondern eine eigenständige Funktionsweise. Wenn also die Gesamtsteuerung 16 "abstürzt" oder "sich aufhängt", dann betrifft dies nicht automatisch auch die Steuerung 12, weil diese nicht einfach nur ein Softwareteil in der Gesamtsteuerung 16 ist, sondern eigenständig mit eigenständiger Hardware funktioniert.In the water tank 8, just below the level of the overflow edge 9, a further sensor, namely a level sensor 15, is provided, which via a signal line is connected to the overall control 16 of the shower toilet and via this with the control valve 4. The overall control can thus control the level in the water tank 8 depending on the operating state of the shower WC and in particular lock the water inlet through the outlet 7 with the control valve 4 when the level sensor 15 indicates that the water tank 8 is completely filled. The controller 16 is solved in the manner already mentioned separately from the controller 12 for the water sensor 11 and the control of the safety valve 5. "Separate" means no spatial or structural separation, but an independent functioning. Thus, if the overall controller 16 "crashes" or "hangs itself down", then this does not automatically affect the controller 12 because it is not just a piece of software in the overall controller 16, but works independently with stand-alone hardware.

Der Klosettkörper des Dusch-WCs umfasst im vorliegenden Fall alle dargestellten Bauteile außer dem stromaufwärtigsten Stück der Wasserzuleitung 6 mit dem manuellen Absperrhahn 2 und dem Filter 3. Dieses Stück stellt die Verbindung zum Leitungsnetz in der Gebäudewand dar. Die beiden Absperrventile 4 und 5 sind allerdings in dem Klosettkörper 17 integriert.The lavatory body of the shower toilet comprises in the present case all components shown except the most upstream piece of water supply line 6 with the manual stopcock 2 and the filter 3. This piece represents the connection to the mains in the building wall. The two shut-off valves 4 and 5, however integrated in the toilet bowl 17.

Wie bereits erläutert, schützen der Wassersensor 11, die Steuerung 12 und das weitere Ventil 5 vor einem unkontrollierten Wasserzulauf, wenn das Regelventil 4 wegen eines Defekts nicht schließt oder wegen eines Fehlers in der Gesamtsteuerung 16 nicht entsprechend angesteuert wird oder wenn der Füllstandsensor 15 ausfällt. Es kommt dann weder zu einem übermäßigen Wasserverbrauch noch zu einem Auslaufen von Wasser auf den Boden noch zu einem Überlaufen der WC-Schüssel, auch wenn diese bzw. ihr Auslauf verstopft sein sollte.As already explained, the water sensor 11, the controller 12 and the further valve 5 protect against an uncontrolled water supply when the control valve 4 does not close due to a defect or is not driven due to a fault in the overall control 16 or if the level sensor 15 fails. It then comes neither to excessive water consumption nor leakage of water on the floor nor to overflow the toilet bowl, even if this or her spout should be clogged.

Das Ausführungsbeispiel ließe sich abwandeln, indem z. B. statt der Überlaufwanne 10 und des Wassersensors 11 ein zweiter Füllstandsensor gewählt wird oder derselbe eine Füllstandsensor 15 zusätzlich das Sicherheitsventil 5 über die Steuerung 12 oder auch über die Gesamtsteuerung 16 schließt, wenn er das Regelventil 4 zu schließen hat.The embodiment could be modified by z. B. instead of the overflow trough 10 and the water sensor 11, a second level sensor is selected or the same a level sensor 15 additionally the safety valve 5 on the Control 12 or via the overall control 16 closes when it has to close the control valve 4.

Claims (7)

  1. A shower closet having
    a shower device,
    a water supply conduit (6) of the shower device and
    a valve (4) in the water supply conduit (6), for controlling the water supply to the shower device,
    characterized by
    a device (11, 12) for detecting an uncontrolled water supply via the water supply conduit (6), namely a sensor (11) responsive to a water level exceeding a target value or a switch triggered thereby, and
    a further valve (5) in the water supply conduit (6) for blocking the water supply conduit (6) in case of an uncontrolled water supply via the water supply conduit (6) due to a malfunction of the before-mentioned valve (4) for controlling the water supply,
    wherein the shower closet is adapted to
    that the further valve (5) is controlled responsive to the detection of such an uncontrolled water supply and closes the water supply conduit (6),
    wherein the sensor (11) or switch is adapted to being triggered by an exceeding of the target value in a boiler or fresh water reservoir (8) of the shower closet.
  2. The shower closet of claim 1 having a free drain (7) of the water supply conduit (6) in an upper region into the boiler or the fresh water reservoir (8), which drain (7) is separated from a maximum water level defined by an overflow (9) of the boiler or the fresh water reservoir (8), by a vertical security distance.
  3. The shower closet of claim 2 wherein the sensor (11) or the switch can be triggered by water drained from the boiler or the fresh water reservoir (8) via the overflow (9).
  4. The shower closet of one of the preceding claims wherein the further valve (5) for blocking is a security valve (5) to be opened electrically and closing in the absence of electricity.
  5. The shower closet of one of the preceding claims having at least two mutually independent switches or sensors (11, 15) for detecting the water supply via the water supply conduit (6), one (11) of which controlling the further valve (5) for blocking and the other (15) of which controlling this further valve (5) or the valve (4) for controlling the water supply.
  6. The shower closet of one of the preceding claims wherein the switch(es) or sensor(s) (11, 15) and the two valves (4, 5) are structurally integrated in a closet body (17) of the shower closet and/or in a top-mount casing of a shower closet.
  7. The shower closet of one of the preceding claims wherein the triggering connection between the sensor (11) or the switch for detecting an uncontrolled water supply via the water supply conduit (6) and the further valve (5) controlled thereby is implemented by an autonomous electronic hardware (12) being implemented in a manner functionally independent of a control (16) of the operational processes of the shower closet.
EP16020066.3A 2016-03-04 2016-03-04 Shower wc with lockable water conduit Active EP3214233B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK16020066.3T DK3214233T3 (en) 2016-03-04 2016-03-04 Washable WC with lockable water supply line
EP16020066.3A EP3214233B1 (en) 2016-03-04 2016-03-04 Shower wc with lockable water conduit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16020066.3A EP3214233B1 (en) 2016-03-04 2016-03-04 Shower wc with lockable water conduit

Publications (2)

Publication Number Publication Date
EP3214233A1 EP3214233A1 (en) 2017-09-06
EP3214233B1 true EP3214233B1 (en) 2019-05-08

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DK (1) DK3214233T3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007024217A1 (en) 2005-08-23 2007-03-01 Richard Quintana Toilet leak detection and overflow prevention system
DE102011011624A1 (en) 2011-02-17 2012-08-23 Duravit Aktiengesellschaft Water supply device for sanitary installation e.g. toilet with integrated shower function, has pump that is connected to outlet port connected to water carrying line of sanitary installation, via which pump pumps the water from tank
WO2017011922A1 (en) 2015-07-22 2017-01-26 Noventa Ag Water tank comprising a device for avoiding overflow for a shower-wc

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US3810260A (en) * 1972-07-10 1974-05-14 Sani Seat Inc Hygienic apparatus
US3845509A (en) * 1972-11-03 1974-11-05 S Lieber Bidet-commodes
US5210885A (en) * 1992-06-10 1993-05-18 Min-Yang Ruo Anal region rinsing system
US6024116A (en) * 1998-09-09 2000-02-15 Aquagard, Llc Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak
US5987660A (en) * 1998-10-19 1999-11-23 Wei Ban Lin Water jet cleaning device for toilet
US6810902B2 (en) * 2002-07-12 2004-11-02 Anthony M. Bootka Automatic water shut off system to prevent overflow of a plumbing device
US8006714B1 (en) * 2008-08-20 2011-08-30 Martin James B Automatic flow shut-off system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007024217A1 (en) 2005-08-23 2007-03-01 Richard Quintana Toilet leak detection and overflow prevention system
DE102011011624A1 (en) 2011-02-17 2012-08-23 Duravit Aktiengesellschaft Water supply device for sanitary installation e.g. toilet with integrated shower function, has pump that is connected to outlet port connected to water carrying line of sanitary installation, via which pump pumps the water from tank
WO2017011922A1 (en) 2015-07-22 2017-01-26 Noventa Ag Water tank comprising a device for avoiding overflow for a shower-wc

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DK3214233T3 (en) 2019-07-29

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