EP4100582A1 - Procédé de détection d'un risque de bouchage - Google Patents

Procédé de détection d'un risque de bouchage

Info

Publication number
EP4100582A1
EP4100582A1 EP21703885.0A EP21703885A EP4100582A1 EP 4100582 A1 EP4100582 A1 EP 4100582A1 EP 21703885 A EP21703885 A EP 21703885A EP 4100582 A1 EP4100582 A1 EP 4100582A1
Authority
EP
European Patent Office
Prior art keywords
bowl
sanitary
drain
inlet
impending
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
EP21703885.0A
Other languages
German (de)
English (en)
Other versions
EP4100582B1 (fr
Inventor
Achim Mielke
Krystian PRZIBYLLA
Stefan Hägner
Fabian HICKERT
Thorsten Kostrzewa
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.)
Grohe AG
Original Assignee
Grohe 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 Grohe AG filed Critical Grohe AG
Publication of EP4100582A1 publication Critical patent/EP4100582A1/fr
Application granted granted Critical
Publication of EP4100582B1 publication Critical patent/EP4100582B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe

Definitions

  • the invention relates to a method for detecting an imminent drainage clogging of a sanitary bowl, a sensor arrangement, a sanitary bowl, a front-wall mounting system and a toilet.
  • level meters can be arranged in or on the bowl, which trigger when a certain water level is reached.
  • Corresponding level gauges are, however, usually arranged in the front, visible area of the bowl, so that on the one hand they restrict the freedom of design and on the other hand are visible and / or accessible to the user.
  • a method for recognizing an impending process stop Fung a sanitary bowl, a sensor arrangement, a sanitary bowl, a front wall mounting system and a toilet are specified that offer the most reliable protection possible against a particularly deliberately caused overflow of the bowl.
  • the design of the bowl should be designed as freely as possible.
  • a method for recognizing an impending drain blockage of a sanitary bowl with a bowl inlet and a bowl outlet contributes to this, comprising at least the following steps: a) Detecting a measure for the fluid flow through the bowl inlet, b) Detecting a measure for the fluid flow through the bowl drain, c) Detection of an impending drain blockage when the time it takes for a certain volume of fluid from the bowl inlet to the bowl outlet be exceeded a certain period. Steps a), b) and c) can be carried out at least once or several times in succession in the order given. Furthermore, at least steps a) and b) can also be carried out at least partially in parallel or even simultaneously.
  • the presented method which can be carried out, for example, with sensors integrated in a pre-wall element, can detect the threat of overflowing the bowl. As a result, an alarm message can be triggered and, if necessary, the fresh water supply can be stopped.
  • the method offers the particular advantage that it can detect an impending drain blockage with means, such as sensors, which can be arranged on the back of the bowl, which is generally inaccessible to a user. In this way, in particular, even in the event of vandalism, the most reliable possible detection of an impending drain blockage can take place.
  • step a) there is a (sensory) recording of a measure for the fluid flow through the bowl inlet.
  • at least one first (inlet) sensor can be used, which is arranged in the area of the bowl inlet.
  • step b) there is a (sensory) recording of a measure for the fluid flow through the bowl drain.
  • at least one second (drain) sensor can be used, which is arranged in the area of the bowl drain.
  • At least one first sensor and / or at least one second sensor are preferably integrated or mounted in a front-wall mounting system and / or covered or inaccessible in and / or on the bowl.
  • step c) an imminent drain blockage is detected when the time it takes a certain volume of fluid from the bowl inlet to the bowl outflow exceeds a certain duration.
  • the method is used to determine and monitor the time that a fluid flow (triggered by a rinse) requires from the bowl inlet to the bowl outlet.
  • a comparison of the determined time with the determined duration can contribute to the monitoring.
  • the specific duration can be stored, for example, as a reference parameter in a memory that can be accessed by an evaluation unit that interacts with the sensors.
  • the measure for the fluid flow is a volume flow or a mass flow.
  • the first sensor and / or the second sensor can be, for example (each) a volume flow sensor or a mass flow sensor.
  • step c) an impending drain blockage is detected when the time between a first significant increase in the temporal course of the measure of the fluid flow through the bowl inlet and a first significant increase in the temporal course of the Measure for the fluid flow through the bowl drain passes, which exceeds a certain duration.
  • the determined duration is a predetermined duration or a typical passage time determined from the bowl inlet to the bowl outlet.
  • an impending drain blockage can be recognized.
  • the determined duration can be formed on the basis of one or more previous observations or measurements (for example as a mean value).
  • the specific duration for the following flushing process
  • the specific duration can be determined on the basis of the time or even set as the time that, in a (immediately) preceding flushing process, between a first significant increase in the temporal course of the measure for the fluid flow through the bowl inlet and a first significant increase in the time course of the measure of fluid flow through the bowl drain elapses.
  • one or more rinsing processes can be used to observe whether the cycle time increases from rinsing process to rinsing process or not. This allows a conscious "clogging and flushing" to be recognized in a particularly advantageous manner.
  • an alarm be output if an impending drain blockage was detected in step c).
  • the alarm can be, for example, an acoustic and / or a visual alarm.
  • the alarm can be issued directly in the area of the bowl.
  • a warning or alarm message can also be communicated via a communication interface, such as a radio interface, to (pre-) certain recipients, such as a home owner's smartphone and / or a control center of a building service company.
  • the fluid supply to the bowl inlet is interrupted if an impending drain blockage was recognized in step c).
  • a valve upstream of the bowl inlet in the flow direction can be closed. Due to the particularly direct evaluation of the measured values, an electric motor-driven drain valve, for example, can immediately stop the flushing water inflow if there is a threat of overflow and thus prevent, for example, flooding in the bathroom from the toilet.
  • the sanitary bowl is a toilet bowl or a urinal.
  • the sanitary bowl can, for example, have a body which is formed with ceramic and / or the metal.
  • the body of the sanitary bowl generally has at least three openings, namely a main opening through which objects such as feces and / or paper can be introduced into the bowl, a bowl inlet through which (rinsing) water is introduced into the bowl can, and a bowl drain through which the objects with the (rinse) water can be brought out of the bowl. Furthermore, the body of the sanitary bowl is usually formed in one piece.
  • a sensor arrangement for a sanitary bowl and / or for a sanitary pre-wall mounting system for fastening a sanitary bowl comprising:
  • At least one first sensor for detecting a measure for the fluid flow through the bowl inlet of the sanitary bowl
  • At least one second sensor for detecting a measure of the fluid flow through the bowl drain of the sanitary bowl
  • An evaluation device that receives data from the at least one first sensor and the at least one second sensor and can evaluate to the effect of recognizing an impending drain clogging of the sanitary bowl when the time it takes a certain fluid volume from the bowl inlet to the bowl outlet is a exceeds a certain duration.
  • a sanitary bowl with a sensor arrangement described here is proposed.
  • the sanitary bowl can be, for example, a toilet bowl or a urinal.
  • a concealed installation of the sensors in and / or on, in particular, non-visible surfaces of the bowl is particularly advantageous.
  • the sensors are arranged in and / or on the sanitary bowl itself.
  • the evaluation unit can also be arranged at a distance therefrom, for example in a front-wall mounting system and / or in a cistern that can be connected to the sanitary bowl.
  • a sanitary pre-wall mounting system for fastening a sanitary bowl, with a sensor arrangement described here.
  • the functions of a pre-wall mounting system are known to the person skilled in the art and are therefore not explained in more detail here.
  • a toilet with a sensor arrangement described here and / or a sanitary bowl described here and / or a front-wall mounting system described here is proposed.
  • Fig. 1 a toilet described here with a Vorwandmontagesys system
  • FIG. 2 temporal progressions of measurement data to illustrate a possible application of a method described here
  • FIG. 3 further temporal progressions of measurement data to illustrate a possible application of a method described here.
  • Fig. 1 shows schematically a toilet 1 described here with a Vorwandmon day system 5.
  • the toilet 1 has a sanitary bowl 2 with a bowl inlet 3 and a bowl outlet 4 on.
  • the sanitary bowl 2 can be attached to a wall of a bathroom or a toilet room by means of the pre-wall mounting system 5.
  • the sanitary bowl 2 shown in FIG. 1 is thus for example a toilet bowl.
  • the sanitary bowl 2 can be a toilet bowl, a urinal or a similar sanitary bowl.
  • FIG. 1 a sensor arrangement for the sanitary bowl 2 and the sanitary pre-wall mounting system 5 is shown in FIG. 1.
  • the sensor arrangement is integrated into the front-wall mounting system 5, for example.
  • at least part of the sensor arrangement could also be integrated into the sanitary bowl 2 or arranged (directly) on it.
  • the sensor arrangement has the following components:
  • At least one first sensor 6 (here as an example two first sensors 6) for detecting a measure for the fluid flow through the bowl inlet S of the sanitary bowl 2,
  • An evaluation device 8 that receives data from the at least one first sensor 6 and the at least one second sensor 7 and can evaluate it to the effect that an impending drain blockage of the sanitary bowl 2 can be recognized when the time it takes for a certain volume of fluid to flow from the bowl 3 needed up to the bowl drain 4, a certain duration überrei tet.
  • the sensor arrangement is set up to carry out the method proposed here, which is described in more detail below in connection with FIGS. 2 and 3.
  • the at least one first sensor 6 is generally arranged in the area of the bowl inlet S of the sanitary bowl 2.
  • the at least one second sensor 7 is generally arranged in the area of the bowl drain 4 of the sanitary bowl 2.
  • the evaluation device 8 is arranged here, for example, in a cistern 9 of the pre-wall mounting system 5.
  • the cistern 9 serves to store the (rinsing) water, which can flow into the sanitary bowl 2 via the bowl inlet 3.
  • the cistern can usually be fluidically connected to the bowl inlet 3 ver.
  • This connection can be specifically established with a drain valve 10 and interrupted again.
  • the drain valve 10 can be actuated via an electric valve drive 11, for example. This can, for example, be controlled in such a way that it causes the drain valve 10 to close immediately when the evaluation device 8 has recognized an impending drain blockage.
  • FIGS. 2 and 3 each show time profiles of measurement data to illustrate a possible application of a method described here.
  • the method is used to detect an impending drain blockage of a sanitary bowl 2 (not shown here, see. Fig. 1) with a bowl inlet 3 and a bowl outlet 4 and comprises at least the following steps: b) Detecting a measure of the fluid flow through the bowl drain 4, c) Detection of an impending drain blockage when the time 14 that a certain fluid volume needs from the bowl inlet 3 to the bowl outlet 4 exceeds a certain duration (not shown here) .
  • the measure for the fluid flow can be a volume flow or a mass flow.
  • step c) an impending process blockage is recognized when the time 14 between a first significant increase in the time profile 12 of the measure for the fluid flow through the Schüsselzu run 3 and a first significant increase in the course of time 13 of the measure for the fluid flow through the bowl drain 4 passes, which exceeds a certain duration.
  • the specific duration can be a predetermined duration or a determined typical flow time from the bowl inlet 3 to the bowl outlet 4.
  • the time interval 14 between, for example, flushing processes triggered one after the other can increase significantly. As soon as the time interval 14 becomes greater than the specific duration, it is concluded that there is an impending clogging. With this information, the entry of water through the bowl inlet 3 can be stopped before the bowl 2 overflows.
  • FIG. 2 shows a scenario with a normal flow through the bowl drain 4 or with an open bowl drain 4.
  • the time 14 is relatively short.
  • FIG. 3 shows a scenario with a threatened blockage of the bowl drain 4 or with an almost blocked bowl drain 4.
  • the time 14 is relatively long and exceeds the specific duration.
  • the toilet 1 can be protected against willful vandalism in the public area by deliberate “clogging and flushing", for example.
  • an alarm can be output if an impending drain blockage was recognized in step c).
  • the fluid supply to the bowl inlet 3 can be interrupted if in step c) an impending obstruction was detected.
  • a method for recognizing an impending drain blockage of a sanitary bowl, a sensor arrangement, a sanitary bowl, a wall mounting system and a toilet have been specified, which contribute to at least partially solving the problems described with reference to the prior art.
  • a method for detecting an impending drainage clogging of a plumbing bowl, a sensor arrangement, a plumbing bowl, a front-wall mounting system and a toilet are specified that offer the most reliable possible protection against a particularly deliberately caused overflow of the bowl.
  • the design of the bowl can be designed as freely as possible.

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)
  • Sanitary Device For Flush Toilet (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

L'invention concerne un procédé pour détecter un risque de bouchage d'une cuvette de toilette (2) pourvue d'une arrivée (3) et d'une évacuation (4), ce procédé comprenant au moins les étapes suivantes : a) détection d'une mesure de l'écoulement de fluide à travers l'arrivée (3), b) détection d'une mesure de l'écoulement de fluide à travers l'évacuation (4), c) détection d'un risque de bouchage lorsque le temps nécessaire au passage d'un certain volume de fluide de l'arrivée (3) à l'évacuation (4) dépasse une durée déterminée.
EP21703885.0A 2020-02-07 2021-02-04 Procede de detection de blockage d'une évacuation Active EP4100582B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020103121.1A DE102020103121A1 (de) 2020-02-07 2020-02-07 Verfahren zum Erkennen einer drohenden Ablaufverstopfung
PCT/EP2021/052725 WO2021156398A1 (fr) 2020-02-07 2021-02-04 Procédé de détection d'un risque de bouchage

Publications (2)

Publication Number Publication Date
EP4100582A1 true EP4100582A1 (fr) 2022-12-14
EP4100582B1 EP4100582B1 (fr) 2025-04-02

Family

ID=74561884

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21703885.0A Active EP4100582B1 (fr) 2020-02-07 2021-02-04 Procede de detection de blockage d'une évacuation

Country Status (4)

Country Link
EP (1) EP4100582B1 (fr)
DE (1) DE102020103121A1 (fr)
ES (1) ES3023531T3 (fr)
WO (1) WO2021156398A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021126028A1 (de) 2021-10-07 2023-04-13 Wimtec Sanitärprodukte Gmbh Vorrichtung zur Ablaufüberwachung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0352712B1 (fr) 1988-07-25 1993-11-10 Toto Ltd. Appareil de chasse d'eau pour WC
DE10111210B4 (de) 2001-03-08 2005-05-12 Mepa-Pauli Und Menden Gmbh Verfahren zur Steuerung der Spülung eines Urinals
DE10222193A1 (de) 2002-05-18 2003-11-27 Thomas Wartmann Elektronische Wasserspülung
AT516581A1 (de) * 2014-12-04 2016-06-15 Walter Dipl Ing Lorenz Verfahren für den Betrieb einer Vakuum-Toilette
US10107665B2 (en) * 2016-01-09 2018-10-23 David R. Hall Toilet with flush jet fill tube flow meter
GB2582020A (en) * 2019-03-08 2020-09-09 Ideal Standard Int Nv Urinal sensor system

Also Published As

Publication number Publication date
DE102020103121A1 (de) 2021-08-12
WO2021156398A1 (fr) 2021-08-12
ES3023531T3 (en) 2025-06-02
EP4100582B1 (fr) 2025-04-02

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