EP4137645B1 - Installation d'eau potable - Google Patents

Installation d'eau potable

Info

Publication number
EP4137645B1
EP4137645B1 EP22188788.8A EP22188788A EP4137645B1 EP 4137645 B1 EP4137645 B1 EP 4137645B1 EP 22188788 A EP22188788 A EP 22188788A EP 4137645 B1 EP4137645 B1 EP 4137645B1
Authority
EP
European Patent Office
Prior art keywords
drinking water
flushing
container
supply line
flush
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.)
Active
Application number
EP22188788.8A
Other languages
German (de)
English (en)
Other versions
EP4137645A1 (fr
Inventor
Alexander Vogt
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.)
Gebr Kemper GmbH and Co KG
Original Assignee
Gebr Kemper GmbH and Co KG
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 Gebr Kemper GmbH and Co KG filed Critical Gebr Kemper GmbH and Co KG
Publication of EP4137645A1 publication Critical patent/EP4137645A1/fr
Application granted granted Critical
Publication of EP4137645B1 publication Critical patent/EP4137645B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/08—Arrangement of draining devices, e.g. manual shut-off valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B1/042—Details thereof, e.g. valves or pumps
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/048—Systems for collecting not used fresh water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B2001/045—Greywater supply systems using household water

Definitions

  • the present invention relates to a drinking water installation comprising a supply line provided downstream of the drinking water transition point, which supplies several drinking water withdrawal points, and a flush valve adapted for flushing the supply line, which is provided downstream of the last drinking water withdrawal point and connects the supply line to a flush line.
  • the flush valve is control-coupled to a flush control, which activates the flush valve to flush the supply line.
  • the flush control system monitors, for example, stagnation by detecting a lack of water at a point of use and/or a rise in the temperature of cold water or a drop in the temperature of hot water, and evaluates this to trigger a flushing process.
  • the flush valve is activated.
  • Drinking water that is or is becoming hygienically unsafe is discharged from the drinking water installation.
  • drinking water is usually piped directly to the domestic water supply point.
  • DE 20 2012 102881 U1 discloses a hygiene flushing device in which a toilet cistern can be supplied from a hygiene water collection tank arranged above it, wherein the hygiene water collection tank can receive flushing water from branch lines.
  • DE 10 2019 107179 A1 discloses a method for supplying water in which the water used to flush pipes is collected and stored and used to feed the flush of a toilet.
  • the present invention proposes a drinking water installation having the features of claim 1. Furthermore, the features specified in subclaims 2 to 9 are proposed.
  • the flushing control and the fill level control typically communicate with each other via data to ensure the best possible use of the water in the drinking water installation.
  • At least one of the controls can, for example, use artificial intelligence to predict an imminent filling of the tank caused by flushing based on observations of usage and consumption behavior and then suspend filling of the tank despite the low fill level.
  • the backflow preventer is preferably provided downstream of the flush valve and immediately upstream of a branch into the flush line. This backflow preventer prevents water from flowing back through the corresponding flush valve and into the connected supply line.
  • the backflow preventer is typically located between the flush valve and a flush valve associated with another supply line. The multiple flush valves are typically connected to the same flush line, which leads to one container.
  • the inlet valve is arranged downstream of at least one flush valve in the direction of flow.
  • the inlet valve is usually also arranged downstream of an inlet valve in the direction of flow, which is provided between a tank supply line and the flush line.
  • the inlet valve blocks the tank supply line from the flush line.
  • the tank supply line is usually laid parallel to the at least one supply line that supplies the points for drawing off drinking water and at the end of which the flush valve is provided.
  • the tank supply line forms a relatively direct connection between the point where drinking water flows out and the free outlet into the tank.
  • the tank supply line is used to fill the tank when sufficient supply pressure cannot be achieved by flushing the supply lines by operating the flush valves to ensure adequate filling of the tank, for example because drinking water is drawn from a point upstream of the flush valve in the direction of flow.
  • the tank level can be determined in any way.
  • the level in the tank can be actually detected by sensors.
  • the incoming and outgoing volume flows can be measured directly or recorded based on the performance curve of, for example, the pump and compared to gain insight into the fill level.
  • This information can be taken into account by the fill level control as part of a management system aimed at conserving water resources.
  • water consumption downstream of the means for discharging water from the tank may require the tank to be filled, which is accomplished by opening at least one flush valve and the inlet valve.
  • at least one supply line is flushed simultaneously when the tank is filled, and a flushing of the supply line that would otherwise be required soon due to water quality monitoring can be postponed.
  • a temperature sensor can be provided. In the case of cold water, this sensor triggers a flush if the water in the drinking water installation is excessively warm.
  • the consumer provided downstream of the means for discharging water from the container is therefore preferably a tap at which water is usually consumed regularly, for example a cattle watering trough, a water playground, a plant watering system or a sink for work shoes, sports shoes or work clothes.
  • a sensor associated with the supply line and/or the duration of the flush valve being open is used to determine whether the supply line is being sufficiently flushed when the tank is filled.
  • the free outlet is preferred for letting water into the container.
  • the level control can admit water by controlling the flush valve and/or an inlet valve controlling the water flow into the tank.
  • the level control can admit drinking water from the supply line downstream of the last drinking water withdrawal point and/or from any drinking water withdrawal point from the supply line into the tank, for example, via the tank supply line, which can discharge into the free outlet.
  • the admitted water may or may not originate from flushing.
  • the fill level control and/or the flushing control are/are preferably configured for data or digital communication.
  • the fill level control and/or the flushing control preferably have/have an electronic circuit for control, for example, a separate circuit and/or a shared circuit.
  • the circuit or circuits can be designed to be programmable.
  • the container is intended for the exclusive storage of drinking water and water from flushing the drinking water supply line.
  • Contaminated wastewater in particular gray water, for example from a bathtub, a shower, a kitchen, rainwater, etc.
  • the flushing line drains water into the tank via the free outlet.
  • the tank is provided with an overflow.
  • the tank is assigned the means for discharging the water contained in the tank, and downstream of it in the direction of flow is the supply line for non-potable water or NPW supply line with at least one consumer.
  • the tank is assigned the fill level detection and level control.
  • the fill level control can admit water into the tank depending on the fill level detection.
  • the fill level detection can typically communicate the fill level to the fill level control in data or digital form, for example, wirelessly or via a cable.
  • a supply line in the form of a riser branch is provided as a supply line 8, which merges into floor branches as supply lines 10 across various floors.
  • the riser branch as a supply line 8 passes through several floors and preferably runs in a straight line to avoid pressure losses.
  • Each floor branch as a supply line 10 runs essentially horizontally on a floor and preferably in a straight line to avoid pressure losses.
  • Ring lines 12 branch from each floor branch as a supply line 10, which are provided with at least one point for the withdrawal of drinking water. These withdrawal points are designated by reference numeral 14.
  • the exemplary embodiment shows lines that are located on the floors below are laid in the plaster.
  • a branch line branches off from the ring main 12 to the point where the drinking water is released into the environment.
  • the branch line can, for example, be the fluid connection between the outlet of a fitting, such as a sink, a shower, or even a toilet or bathtub, and the drinking water installation.
  • the branch line is not part of the drinking water installation, but is connected to it.
  • Such a reference also usually triggers parallel flows in the upstream ring lines 12 and the sections of the floor line provided as supply line 10 parallel to the respective ring lines 12.
  • the flush valve 22 is an adjustable flush valve, which is connected for control purposes to a flush control 24.
  • the flush valve can be controlled by a motor-driven actuator or by an electrically heatable expansion element.
  • the actuating movement is usually an axial displacement of a valve body toward a valve seat or in the opposite direction away from the valve seat.
  • a backflow preventer 26 is provided for each of the flush valves 22.
  • Sensors 28 are installed in the floor lines forming the supply lines as supply lines 10. These sensors determine the temperature or volume flow within the respective floor line as supply line 10 and are connected for data purposes to the flush control 24. The signals from these sensors 28 or a time module within the flush control 24 trigger flushing.
  • a flush valve 22 or an inlet valve designated by reference numeral 30 at the end of a flush line 32 is actuated.
  • Reference numeral 52 designates a pump adapted to pump out the liquid volume in the container 44.
  • This pump 52 provides a means for discharging water contained in the container and communicates with the non-potable water (NPW) supply line 54.
  • NPW supply line 54 supplies at least one NPW consumer 56, for example, in the form of a plant irrigation system, a water playground, or a livestock watering trough.
  • a switching valve can be provided on the NPW supply line 54, for example at reference numeral 52, which is designed to communicate with the supply line 54 and the container 44. The switching valve can then typically be switched by the fill level control 38.
  • the exemplary embodiment serves to maintain hygienically safe water, which can be drawn via the extraction points 14 and thus via the respective lines or supply lines 8, 10.
  • the condition of the water is monitored by the previously described sensors 28.
  • Opening the respective valve 22.1; 30 leads to the flushing of the upper floor line as supply line 10.1 and thus to the exchange of the hygienically questionable water from the upper floor line as supply line 10.1.
  • the drained water flows into the container 44 and increases the level in the container 44.
  • the actual fill level is determined by the fill level sensor 60 and reported to the fill level control 38.
  • the fill level sensor 60 causes the inlet valve 30 to open. This opening is coordinated with the opening of the flush valves 22 in order to also meet hygiene requirements when filling the tank 44.
  • the individual flush valves 22 can be opened simultaneously or sequentially as the tank is being filled, with the other flush valves 22 being closed simultaneously in the latter case.
  • the backflow preventers 26 always prevent water from the flush line 32 or another floor branch as supply lines 10.1-10.3 from flowing back into one of the floor branches as supply lines 10.1-10.3.
  • the fill level control 38 activates the inflow valve 36.
  • Bypassing branches or supply lines 8, 10 drinking water is thus supplied at a relatively high flow rate via the tank supply line 34. This is ideally laid solely for the inflow of water into the tank 44.
  • This tank supply line 34 can also be equipped with sensors that indicate the need to flush the line 34.
  • Excessive consumption of liquid from the tank 44 can also be prevented by setting up various flush valves 22 in parallel to drain water from several lines serving as supply lines 10. However, only as many flush valves are opened in parallel as is necessary to prevent the drinking water supply at the extraction points 14 from collapsing due to pressure loss.
  • the flush control 24 determines in the previously described initial situation, in which the flush valve of the upper floor line as supply line 10.1 is open, that, for example, hygienically questionable conditions exist or are imminent in the lower floor line as supply line 10.3, the upper flush valve 22.1 is closed and the lower flush valve 22.3 is opened. This occurs simultaneously to ensure the supply to the container 44.
  • the backflow preventer 26 to the respective floor lines as supply lines 10.1 and 10.3 prevents backflow due to a temporarily different pressure at the end of the respective line as supply line 10.1, which are connected to each other via the flushing line 32.
  • the flushing valve 22.3 is opened.
  • the corresponding floor line as supply line 10.3 is flushed.
  • the fill level control 38 controls the inlet valve 30 so that it opens.
  • the inlet valve 30 is therefore not opened due to water draining from the container 44, but is controlled by the flushing process.
  • the water drained during flushing flows from the flushing line 32 into the container 44.
  • a specification stored in the fill level control 38 that the level of the container 44 must not rise so high that water flows from the container 44 and via the overflow 46 into the wastewater line 50 must be deactivated by the flushing control. If the water drained by flushing exceeds the capacity of the container 44 or if no NPW water is consumed in the NPW supply line 54, the water supplied to the container 44 by flushing is drained via the overflow 46 in the manner described above.
  • the corresponding flush valve 22.3 closes.
  • the fill level control 38 receives a corresponding signal, so that the fill level control 38 returns to the normal operating mode, in which the NPW supply line 54 is supplied with water and only ensures that the tank 44 is sufficiently filled and that the flow of water into the tank 44 is stopped before reaching the overflow 46.
  • the water extracted by flushing can be used to supply low-pressure water consumers. This conserves water resources. Furthermore, flushing ensures hygienically safe conditions in the drinking water supply lines.
  • the figure shows the drinking water installation with the supply line 8, 10 provided downstream of the drinking water transition point 2, wherein the supply line 8, 10 supplies several drinking water extraction points 14.
  • the flushing valve 22 adapted for flushing the supply line 8, 10, which is provided downstream of the last drinking water extraction point 14 and connects the supply line 8, 10 to the flushing line 32, is also shown.

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)
  • Devices For Dispensing Beverages (AREA)
  • Domestic Plumbing Installations (AREA)

Claims (9)

  1. Installation d'eau potable comprenant une conduite d'alimentation (8, 10) fournie en aval du point de transition (2) d'eau potable, laquelle conduite d'alimentation alimente plusieurs points de prélèvement (14) d'eau potable, et au moins une vanne de rinçage (22) adaptée pour rincer la conduite d'alimentation (8, 10), laquelle vanne de rinçage est fournie en aval du dernier point de prélèvement (14) d'eau potable et relie la conduite d'alimentation (8, 10) à une conduite de rinçage (32), dans laquelle la au moins une vanne de rinçage (22) est couplée de manière commandée à un dispositif de commande de rinçage (24) qui active la vanne de rinçage (22) afin de rincer la conduite d'alimentation (8, 10), dans laquelle la conduite de rinçage (32) évacue l'eau par l'intermédiaire d'une sortie libre (42) dans un réservoir (44) qui est muni d'un trop-plein (46) et auquel est associé un moyen (52) permettant de distribuer de l'eau contenue dans le réservoir (44) et en aval duquel, dans le sens d'écoulement, est agencé une conduite d'alimentation en eau non potable (54) avec au moins un consommateur (56), caractérisée en ce qu'un dispositif de détermination de niveau de remplissage et un dispositif de commande de niveau de remplissage (38) qui laissent entrer de l'eau dans le réservoir (44) en fonction des informations issues de la détermination de niveau de remplissage en vue du remplissage du réservoir (44) sont associés au réservoir (44).
  2. Installation d'eau potable selon la revendication 1, caractérisée en ce qu'une vanne d'alimentation (30), qui contrôle l'arrivée d'eau dans le réservoir (44) à partir d'au moins une conduite (32 ; 34) de l'installation d'eau potable et qui est reliée de manière commandée au dispositif de commande de rinçage (24) et/ou au dispositif de commande de niveau de remplissage (38), est associée au réservoir (44).
  3. Installation d'eau potable selon la revendication 2, caractérisée en ce que la vanne d'alimentation (30) commande le remplissage du réservoir (44) par l'intermédiaire d'au moins la conduite de rinçage (32) de l'installation d'eau potable.
  4. Installation d'eau potable selon la revendication 2 ou 3, caractérisée en ce que la vanne d'alimentation (30) commande le remplissage du réservoir (44) par l'intermédiaire d'au moins une conduite d'alimentation de réservoir (34) installée en parallèle d'une conduite d'alimentation (10) communiquant avec la au moins une vanne de rinçage (22),
  5. Installation d'eau potable selon les revendications 3 et 4, caractérisée en ce que la vanne d'alimentation (30) est agencée en aval, dans le sens d'écoulement, de la au moins une vanne de rinçage (22) et d'une vanne d'alimentation (36) fournie entre la conduite d'alimentation de réservoir (34) et la conduite de rinçage (32).
  6. Installation d'eau potable selon l'une quelconque des revendications précédentes, caractérisée en ce que la conduite d'alimentation (8, 10) s'étend dans tous les cas par sections parallèlement à une conduite en anneau (12) qui est raccordée à la conduite d'alimentation (8, 10) par l'intermédiaire d'un orifice de désenfilage (16) et d'un orifice d'enfilage (18) fourni en aval de celui-ci et qui présente au moins un point de prélèvement (14) d'eau potable, dans laquelle un élément de résistance à l'écoulement (20) est fourni dans la conduite d'alimentation (8, 10) entre l'orifice de désenfilage (16) et l'orifice d'enfilage (18).
  7. Installation d'eau potable selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un clapet anti-retour (26) fourni en amont ou en aval de la vanne de rinçage (22) dans le sens d'écoulement est associé à la vanne de rinçage (22) ou à chaque vanne de rinçage (22).
  8. Installation d'eau potable selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif de commande de rinçage (24) et le dispositif de commande de niveau de remplissage (38) sont reliés l'un à l'autre en termes de données.
  9. Installation d'eau potable selon l'une quelconque des revendications précédentes, caractérisée en ce que le moyen (52) permettant de distribuer de l'eau contenue dans le réservoir est relié de manière commandée au dispositif de commande de niveau de remplissage (38).
EP22188788.8A 2021-08-19 2022-08-04 Installation d'eau potable Active EP4137645B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202021104440.3U DE202021104440U1 (de) 2021-08-19 2021-08-19 Trinkwasser-Installation

Publications (2)

Publication Number Publication Date
EP4137645A1 EP4137645A1 (fr) 2023-02-22
EP4137645B1 true EP4137645B1 (fr) 2025-10-08

Family

ID=77851822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22188788.8A Active EP4137645B1 (fr) 2021-08-19 2022-08-04 Installation d'eau potable

Country Status (2)

Country Link
EP (1) EP4137645B1 (fr)
DE (1) DE202021104440U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024115395A1 (de) * 2024-06-03 2025-12-04 Febromed Gmbh & Co. Kg Sicherheitssystem für eine Gebärwanneneinrichtung und Gebärwanneneinrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017807B4 (de) 2006-04-13 2013-10-24 Gebr. Kemper Gmbh & Co. Kg Metallwerke Trinkwassersystem sowie Verfahren zum Betrieb eines solchen Systems
DE202012102881U1 (de) * 2012-07-31 2012-11-23 Wolfgang Behm Hygienespülvorrichtung
EP3921481A1 (fr) * 2019-02-06 2021-12-15 Kwc Ag Dispositif d'écoulement pour la connexion d'un système d'eau potable
DE102019107179A1 (de) * 2019-03-20 2020-09-24 Klaus-Dieter Will Verfahren zur Wasserversorgung von mindestens einer Wasserentnahmestelle mit Kalt- und Warmwasser

Also Published As

Publication number Publication date
EP4137645A1 (fr) 2023-02-22
DE202021104440U1 (de) 2021-09-03

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