EP3325731B1 - Dispositif pour un wc douche destiné à éviter un débordement du réservoir d'eau - Google Patents

Dispositif pour un wc douche destiné à éviter un débordement du réservoir d'eau Download PDF

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Publication number
EP3325731B1
EP3325731B1 EP15745366.3A EP15745366A EP3325731B1 EP 3325731 B1 EP3325731 B1 EP 3325731B1 EP 15745366 A EP15745366 A EP 15745366A EP 3325731 B1 EP3325731 B1 EP 3325731B1
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EP
European Patent Office
Prior art keywords
valve
water
water tank
shower
measuring
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EP15745366.3A
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German (de)
English (en)
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EP3325731A1 (fr
Inventor
Daniel Graber
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.)
PRESANO AG
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PRESANO AG
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Classifications

    • 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 invention relates to a device for a shower toilet.
  • a shower toilet generally has a shower arm that can be extended and/or pivoted into the toilet bowl.
  • the shower arm is connected to a water tank. Water from the water tank can be fed to the shower arm by means of a pump.
  • a water supply device for a shower toilet which includes a water tank whose fill level is controlled by means of a solenoid valve.
  • a solenoid valve In the event of a fault in the solenoid valve, when the water supply line cannot be closed or cannot be closed completely, the continuous flow of water into the tank can be interrupted by the user or maintenance personnel by means of a shut-off valve.
  • the object of the invention is to provide a device which automatically and reliably prevents the water tank from overflowing.
  • the invention solves the problem with a device that has the features according to claim 1, a use of this device in a shower toilet with a shower function according to claim 5 8- and a method for preventing the water tank from overflowing in a shower toilet claim 6.
  • the measurement of the water flow through the individual valves takes place either directly (by means of a flow sensor, e.g. impeller sensor or an inductive flow meter) or indirectly (by measuring the water level in the water tank or by measuring time [ie if the predetermined water level is not reached within a predetermined time with one closed and one open water valve). , the closed valve is tight]).
  • a flow sensor e.g. impeller sensor or an inductive flow meter
  • the valves are solenoid valves.
  • the device includes a heater for heating the water.
  • the water tank can be heated.
  • the device is used in a shower toilet with a shower function.
  • the water tank is emptied according to step f1) by the water flowing out through the shower arm 9 without the shower function being actuated.
  • valves are cleaned by completely emptying the water tank (by pump / via sensor) and then cleaning the dirty valve by opening the non-dirty valve and repeatedly opening and closing the dirty valve so that dirt and/or lime particles are flushed out will.
  • This process can be activated as a cleaning program manually (by the user) or automatically (by control when a leak is detected in one of the valves).
  • the shower function is released when it is determined that the tightness of the first valve has been restored in accordance with step k1).
  • the shower function remains blocked if a leak in the first valve is detected according to step k1).
  • the steps for cleaning the first valve are carried out a second time if a leak in the first valve is determined in accordance with step k1).
  • the cleaning function is unsuccessful after multiple cleaning processes, i.e. if the affected valve remains leaky, it can be blocked by the controller (automatically or manually). In this case, the leaking valve must be repaired by a technician (by cleaning or replacing the valve).
  • the water tank is emptied according to step f2) by a user actuating the shower function of the shower toilet.
  • the shower function is released when it is determined that the second valve is tight again in accordance with step r2).
  • step r2 if the second valve is found to be leaking, according to step r2), the steps for cleaning the leaking second valve [steps n2) to s2)] are carried out again.
  • the water tank is emptied when the tightness of the valves is determined by actuating the shower function of the shower toilet.
  • the one in the 1 shows a shower toilet with a water tank 2 with an inlet and an outlet opening for the entry and exit of the fresh water, with a fresh water inlet 1, by means of which the water tank 2 is filled with fresh water, with the outlet opening of the Water tanks 2 associated shower arm 9 and a controller 7.
  • the fresh water inlet is equipped with a first valve 3 and a second valve 4, which are connected in series and controlled by the controller 7.
  • the water tank 2 includes a heater 8 by means of which the water in the water tank 2 can be brought to a desired temperature.
  • the water tank 2 is equipped with a sensor which is intended for measuring the water level in the water tank 2 .
  • the water level in the water tank 2 is measured with the fresh water inlet 1 open until a predetermined first quantity 6 of the water is present in the water tank 2 .
  • the sensor sends a corresponding signal to the controller 7, so that the first valve 3 is closed by the controller 7.
  • the water level in the water tank 2 is measured again to determine whether the closed first valve 3 is tight or not tight.
  • the closed first valve 3 If the closed first valve 3 is leaking, the water continues to flow through the fresh water inlet 1 into the water tank 2, with the water level in the water tank 2 rising.
  • the increase in the water level in the water tank 2 by a further predetermined second quantity 5 of water is detected using a further sensor, with a corresponding signal being sent from the sensor to the controller 7 .
  • the leakage of the closed first valve 3 is determined.
  • the water supply is interrupted by closing the second valve 4 so that the water tank 2 is no longer filled with water in order to prevent the water tank 2 from overflowing.
  • the first valve 3 - closed after reaching the water level corresponding to the predetermined first quantity 6 of water - is tight, the water inflow into the water tank 2 is interrupted, so that the water level in the water tank 2 remains unchanged.
  • the tightness of the closed first valve 3 is detected in that the water level corresponding to the predetermined second quantity 5 of water is not reached within a predetermined time interval when the first valve 3 is closed, so that no corresponding signal is sent from the sensor to the controller 7 .
  • the cleaning process for the leaking first valve is carried out.
  • the cleaning process is triggered either automatically by the controller 7 when a leak in the first valve 3 is detected, or by a user manually actuating the controller 7 .
  • the water is emptied from the water tank 2 through the outlet opening connected to the shower arm 9 into the toilet bowl.
  • the water tank 2 is emptied by the water flowing out through the shower arm 9 without the shower function being actuated.
  • the emptying of the water tank 2 can be triggered either automatically by the controller 7 or by a user manually actuating the controller 7 .
  • the second valve 4 is opened so that fresh water flows into the water tank 2 through the fresh water inlet 1 and the two valves 3;4.
  • the alternating opening and closing of the first valve 3 and the water flowing through the open second valve 4 wash out dirt and/or limescale particles so that the tightness of the first valve 3 is restored.
  • the sensor sends a corresponding signal to the controller 7, whereupon the first valve 3, which has been detected as leaking, is closed by the controller 7.
  • the first valve 3 is closed and the second valve 4 is open, the water level in the water tank 2 is measured again to determine whether the tightness of the first valve 3 previously detected as leaky has been restored.
  • the process for determining the tightness of the first valve 3 corresponds to the process described above.
  • the cleaning process described above can be repeated a further time.
  • the shower function of the shower toilet is blocked. Closing the second valve prevents the water tank 2 from overflowing.
  • the second valve 4 When the tightness of the first valve 3 is determined (as described above) - whether originally or restored by the cleaning process - the second valve 4 is closed (after the water tank 2 has been emptied and then filled with the predetermined first quantity 6 of water) so that the Tightness or leakage of the second valve 4 can be checked.
  • the water tank 2 is emptied when the tightness of the first valve 3 is determined (usually) by a user actuating the shower function of the shower toilet without the tightness of the second valve 4 having to be checked beforehand. If the second valve 4 is not tight, the overflowing of the water tank 2 is prevented by the first valve 3, which is detected as being tight.
  • the first valve 3 is closed again after the water tank 2 has been emptied and then filled to the predetermined first quantity 6 of water, so that the tightness or leakage of the first valve 3 can be checked again.
  • the alternating checking of the tightness of the first valve 3 and the second valve 4 enables leaks in the valves 3; 4 to be determined immediately. If one of the valves 3; 4 is no longer sealed or cannot be restored, the shower function and the associated filling of the water tank 2 are blocked. Blocking the filling of the water tank 2 avoids the possibility of the water tank 2 overflowing if the other valve should also become leaky. If one of the valves is found to be leaking, the water tank 2 will be secured from overflowing by the other valve (which was found to be tight in the previous test).
  • the tightness of the valves 3; 4 cannot be checked by the sensor in the water tank 2, as described above, but by a sensor which is connected downstream of the two valves 3; 4 in the fresh water inlet.
  • the tightness of the first and second valves 3; 4 is not determined based on the changed water level, but by measuring the water flow with a closed and an open valve 3; 4.

Landscapes

  • 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)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Claims (15)

  1. Dispositif de WC à douche, comprenant
    - un réservoir d'eau (2) doté d'une arrivée d'eau claire (1) ;
    - une première vanne (3) et une deuxième vanne (4), lesquelles sont disposées dans l'arrivée d'eau claire (1), sont commutées en série et sont commandées électriquement, le trop-plein du réservoir d'eau étant évité,
    - une commande (7), laquelle pilote l'ouverture et la fermeture de la première et de la deuxième vanne (3 ; 4), et
    - au moins deux capteurs reliés à la commande (7), lesquels peuvent mesurer le débit d'eau à travers la première et la deuxième vanne (3 ; 4), dans lequel
    - un capteur est disposé dans le réservoir d'eau (2) et est prévu pour mesurer le niveau d'eau dans le réservoir d'eau, jusqu'à ce qu'une première quantité d'eau (6) prédéfinie soit présente dans le réservoir d'eau, la première vanne (3) étant fermée par la commande (7),
    - un capteur ultérieur est disposé dans le réservoir d'eau (2) et est prévu pour mesurer l'augmentation du niveau d'eau d'une deuxième quantité d'eau (5) prédéfinie, ou alternativement est disposé dans l'arrivée d'eau claire (1) en aval des vannes (3 ; 4) et est prévu pour mesurer le débit d'eau dans l'arrivée d'eau claire, à l'aide duquel l'étanchéité ou la non-étanchéité de la première vanne (3) fermée peut être déterminée,
    - la deuxième vanne (4) peut être fermée par la commande (7) en cas de détermination de la non-étanchéité de la première vanne (3).
  2. Dispositif selon la revendication 1, caractérisé en ce que les vannes (3 ; 4) sont des électrovannes.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le réservoir d'eau (2) est chauffable.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'il comprend un chauffage (8) destiné à chauffer l'eau.
  5. Utilisation du dispositif selon l'une des revendications 1 à 4 dans un WC à douche doté d'une fonction douche.
  6. Procédé destiné à éviter le débordement du réservoir d'eau dans un WC à douche doté d'une fonction douche au moyen du dispositif selon l'une des revendications 1 à 4, comprenant les étapes suivantes :
    a) mesure du niveau d'eau dans le réservoir d'eau (2) jusqu'à ce qu'une première quantité d'eau prédéfinie soit présente dans le réservoir d'eau (2) ;
    b) fermeture de la première vanne (3) ;
    c) mesure de l'augmentation du niveau d'eau d'une deuxième quantité (5) prédéfinie ou mesure du débit d'eau dans l'arrivée d'eau claire (1) afin de déterminer l'étanchéité ou la non-étanchéité de la première vanne (3) fermée ;
    d) fermeture de la deuxième vanne (4) et
    e) verrouillage de la fonction douche en cas de détermination de la non-étanchéité de la première vanne (3) selon l'étape c).
  7. Procédé selon la revendication 6, caractérisé en ce qu'il comprend les étapes supplémentaires suivantes en cas de détermination de la non-étanchéité de la première vanne (3) selon l'étape c) afin de nettoyer la première vanne (3) :
    f1) vidange du réservoir d'eau (2) ;
    g1) ouverture de la deuxième vanne (4) ;
    h1) ouverture et fermeture alternées de la première vanne (3) jusqu'à ce qu'une première quantité d'eau prédéfinie soit présente dans le réservoir d'eau (2) :
    i1) fermeture de la première vanne (3) ;
    k1) mesure de l'augmentation du niveau d'eau d'une deuxième quantité (5) prédéfinie ou mesure du débit d'eau dans l'arrivée d'eau claire (1) afin de déterminer l'étanchéité ou la non-étanchéité de la première vanne (3) fermée ;
    11) fermeture de la deuxième vanne (4).
  8. Procédé selon la revendication 7, caractérisé en ce que la fonction douche est débloquée en cas de détermination d'une restauration de l'étanchéité de la première vanne (3) selon l'étape k1).
  9. Procédé selon la revendication 7, caractérisé en ce que la fonction douche est verrouillée en cas de détermination d'une non-étanchéité de la première vanne (3) selon l'étape k1).
  10. Procédé selon la revendication 7 ou 9, caractérisé en ce que les étapes f1) à 11) sont effectuées encore une fois en cas de détermination d'une non-étanchéité de la première vanne (3) selon l'étape k1) .
  11. Procédé selon l'une des revendications 6 à 8 ou 10, caractérisé en ce qu'il comprend les étapes supplémentaires suivantes en cas de détermination de l'étanchéité de la première vanne (3) :
    f2) vidange du réservoir d'eau (2) ;
    g2) ouverture de la première et de la deuxième vanne (3 ; 4) ;
    h2) mesure du niveau d'eau dans le réservoir d'eau (2) jusqu'à ce qu'une première quantité d'eau prédéfinie soit présente dans le réservoir d'eau (2) ;
    i2) fermeture de la deuxième vanne (4) ;
    k2) mesure de l'augmentation du niveau d'eau d'une deuxième quantité (5) prédéfinie ou mesure du débit d'eau dans l'arrivée d'eau claire (1) afin de déterminer l'étanchéité ou la non-étanchéité de la deuxième vanne (4) fermée ;
    12) fermeture de la première vanne (3) ;
    m2) verrouillage de la fonction douche du WC à douche en cas de détermination de la non-étanchéité de la deuxième vanne (4) selon l'étape k2).
  12. Procédé selon la revendication 11, caractérisé en ce qu'il comprend les étapes supplémentaires suivantes en cas de détermination de la non-étanchéité de la deuxième vanne (4) afin de nettoyer la deuxième vanne (4) non étanche :
    n2) vidange du réservoir d'eau (2) ;
    o2) ouverture de la première vanne (3) ;
    p2) ouverture et fermeture alternées de la deuxième vanne (4) jusqu'à ce qu'une première quantité d'eau prédéfinie soit présente dans le réservoir d'eau (2) ;
    q2) fermeture de la deuxième vanne (4) ;
    r2) mesure de l'augmentation du niveau d'eau d'une deuxième quantité (5) prédéfinie ou mesure du débit d'eau dans l'arrivée d'eau claire (1) afin de déterminer l'étanchéité ou la non-étanchéité de la deuxième vanne (4) fermée ;
    s2) fermeture de la première vanne (3).
  13. Procédé selon la revendication 12, caractérisé en ce que la fonction douche est débloquée en cas de détermination d'une restauration de l'étanchéité de la deuxième vanne (4) selon l'étape r2).
  14. Procédé selon la revendication 12, caractérisé en ce que les étapes n2) à s2) sont effectuées encore une fois en cas de détermination d'une non-étanchéité de la deuxième vanne (4) selon l'étape r2).
  15. Procédé selon l'une des revendications 6 à 8 ou 10 à 13, caractérisé en ce que la vidange du réservoir d'eau (2) en cas de détermination de l'étanchéité des vannes (3 ; 4) s'effectue par actionnement de la fonction douche du WC à douche.
EP15745366.3A 2015-07-22 2015-07-22 Dispositif pour un wc douche destiné à éviter un débordement du réservoir d'eau Active EP3325731B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2015/000107 WO2017011922A1 (fr) 2015-07-22 2015-07-22 Réservoir d'eau équipé d'un dispositif destiné à éviter un débordement pour un wc douche

Publications (2)

Publication Number Publication Date
EP3325731A1 EP3325731A1 (fr) 2018-05-30
EP3325731B1 true EP3325731B1 (fr) 2023-01-25

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Application Number Title Priority Date Filing Date
EP15745366.3A Active EP3325731B1 (fr) 2015-07-22 2015-07-22 Dispositif pour un wc douche destiné à éviter un débordement du réservoir d'eau

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EP (1) EP3325731B1 (fr)
WO (1) WO2017011922A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3214233B2 (fr) 2016-03-04 2024-09-25 Geberit International AG Douche-wc comprenant une conduite d'eau pouvant etre fermee

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2630671C3 (de) * 1975-06-23 1978-04-20 Aisin Seiki K.K., Kariya, Aichi (Japan) In Verbindung mit einem Klosettbecken verwendbare sanitäre Vorrichtung
DE4132350C2 (de) * 1990-09-29 1996-09-12 Aisin Seiki Sanitäre Vorrichtung
JPH10131264A (ja) * 1996-10-29 1998-05-19 Matsushita Electric Works Ltd 温水洗浄便器用温水タンク
DE102011011624A1 (de) * 2011-02-17 2012-08-23 Duravit Aktiengesellschaft Wasserversorgungseinrichtung für einen Sanitärgegenstand
JP2013224554A (ja) * 2012-04-23 2013-10-31 Aisin Seiki Co Ltd 衛生洗浄装置

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EP3325731A1 (fr) 2018-05-30
WO2017011922A1 (fr) 2017-01-26

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