EP2918738B1 - Dispositif de ventilation pour une colonne montante comprenant un dispositif de réduction de l'eau stagnante - Google Patents

Dispositif de ventilation pour une colonne montante comprenant un dispositif de réduction de l'eau stagnante Download PDF

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Publication number
EP2918738B1
EP2918738B1 EP14158870.7A EP14158870A EP2918738B1 EP 2918738 B1 EP2918738 B1 EP 2918738B1 EP 14158870 A EP14158870 A EP 14158870A EP 2918738 B1 EP2918738 B1 EP 2918738B1
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EP
European Patent Office
Prior art keywords
riser
water
ventilation device
housing
valve
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.)
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Application number
EP14158870.7A
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German (de)
English (en)
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EP2918738A1 (fr
Inventor
Markus KLEINE-BUßMANN
Oliver Pennekamp
Andreas Abt
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.)
Seppelfricke Armaturen GmbH
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Seppelfricke Armaturen GmbH
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Priority to EP14158870.7A priority Critical patent/EP2918738B1/fr
Publication of EP2918738A1 publication Critical patent/EP2918738A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
    • 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

Definitions

  • the invention relates to a ventilation device for the end-side closing of a riser, wherein the ventilation device comprises the outlet of water from the riser blocking and pressure drop in the riser air permitting the ventilation valve, wherein the ventilation device comprises a ventilation valve containing housing, wherein the a leak water overflow is connected to the upper end of the housing, which discharges the leakage water emerging from the housing via a downward-pointing outlet opening arranged next to the housing into a collecting funnel.
  • Risers in the water installation of buildings are secured with a so-called aerator against sucking back of non-drinking water at pressure drop in the supply area.
  • a vertical riser is usually branched off from the uppermost horizontal water supply line, or an existing riser is extended beyond the last floor branch and connected at the upper end of the aerator.
  • the aerator has a venting the outlet of water from the wiring harness and in case of pressure drop in the wiring harness the access of air enabling ventilation.
  • Such pipe aerators for Endstrangbelrangeung are for example from the patent DE 1 144 209 and the utility model DE 94 05 108 known.
  • a ventilation device of the type mentioned is also known for example from the product catalog of Seppelfricke Armaturen GmbH, Gelsenmaschinen, Germany, from the year 2012.
  • a device for the automatic flushing of water pipes is known to flush the stagnant water from the lines.
  • the device is - as the last delivery point - connected to a cold water and / or hot water series line or - ring line and closes each of the connected lines with a solenoid valve and an adjoining outlet.
  • the water exiting the outlet flows into a housing of the device, which has at the bottom a funnel-shaped drain, followed by a siphon and a sewer line.
  • a mounted on the housing control electronics opens the solenoid valves at predetermined times, each for a predetermined period.
  • the device is additionally integrated as a structural unit in the hot and / or cold water supply of the building, preferably as a flush-mounted device with a front-side inspection opening. Similar devices are known from GB 2 478 124 A and the US 2005/0274812 A1 known.
  • the known devices are used in the construction of new water supply systems, but are only partially suitable for retrofitting existing facilities. In this case, subsequently pipelines would have to be performed to these devices and space must be created to accommodate these devices.
  • the object of the invention is therefore to provide a ventilation device for closing the end of a riser, with the aid of stagnation water can be reduced or avoided in the riser and can be retrofitted with low structural complexity.
  • the ventilation device for the end-side closing of a riser which has a venting the outlet of water from the riser and in case of pressure drop in the riser air supply enabling ventilation valve, wherein the ventilation device comprises a housing containing the vent valve, wherein at the upper end of the housing a leak water overflow is connected, which discharges the leaked from the housing leakage water via a arranged next to the housing, downwardly facing outlet opening into a collecting funnel, is characterized according to the invention, characterized in that the venting device comprises means for reducing the stagnation of water in the riser, the stagnation reducing device comprising a venting line bypassing the venting valve, which is shut off by a solenoid operated valve, the housing being enclosed by a ventilating jacket, containing the solenoid valve, wherein from the interior of the housing below the ventilation valve disposed therein, a bypass line through the Belfunctionalermantel leads to the solenoid valve and the solenoid valve a passage from the Bypa ss-line to a drain pipe blocks
  • Reducing the stagnation of water means here a reduction in the amount of water staying in the riser for an extended period of time and / or its life in the riser.
  • a "prevention of stagnation” of the water is sought, so a complete replacement of the water before it can stay in the riser over a longer period.
  • a “longer period of time” is a period of time in which, under the given conditions, such as water quality, water temperature and material of the pipe inner wall, there is a danger of an increase of harmful microorganisms beyond a critical concentration.
  • control device is configured so that it automatically opens the solenoid valve after each predetermined time intervals for a respective predetermined opening duration, wherein the predetermined opening period is selected so that in each case a quantity of water can drain from the riser, which is greater than that of the Rising line recorded Stagnationsementmenge is. This ensures a complete replacement of the stagnant water with each draining process (also called flushing process).
  • the respective predetermined time intervals and the respective predetermined opening times need not be constant; they may vary depending on water consumption, ambient temperature and other factors.
  • the controller is configured to automatically open the solenoid valve repeatedly after a predetermined time interval for a predetermined opening duration. This simplifies the controller and reduces the power consumption needed to control.
  • the predetermined time interval and / or the predetermined opening duration can be preset to those values that ensure sufficient flushing of the riser under all conceivable operating conditions.
  • the control device has adjustment means with which the predetermined time interval and / or the predetermined opening duration are adjustable continuously or in predetermined stages. These settings allow adaptation to the conditions of the installation site, such as the diameter and the length of the riser, the quality of the incoming water or the ambient temperature.
  • a preferred embodiment of the ventilation device according to the invention is characterized by a local energy storage, which includes the control device and a solenoid controlled by the control device solenoid of the solenoid valve Energy supplied. This simplifies the retrofitting of the ventilation device according to the invention in places where no connection to a power supply network is available.
  • the solenoid controlled by the control device moves the solenoid valve both in the open position and in the closed position, wherein the solenoid valve remains in the respective position without the drive consumes energy. This reduces power consumption to a drive which must be constantly energized during opening of the solenoid valve and which then automatically moves back to the closed position (e.g., due to the action of a biased spring).
  • control device has a sensor device for detecting a state of charge of the energy store and is configured so that it opens the solenoid valve only if the energy stored in the energy store for the subsequent driving of the solenoid to close the solenoid valve sufficient. This avoids unwanted permanent opening of the solenoid valve when emptying the energy storage at or after opening the solenoid valve.
  • FIG. 1 shows a preferred embodiment of the ventilation device according to the invention, which is connected to the upper end of a riser 2.
  • the riser 2 is at a (not in FIG. 1 shown) water supply network of a building connected and forms its uppermost point.
  • the ventilation device comprises a pipe vent 1 with a ventilation valve contained in the housing 10, which blocks the escape of water from the riser 2, but at the same time allows the access of air at a pressure drop in the riser 2. For example, when closing and momentary opening of the ventilation valve, it may happen that water exits in small quantities.
  • a leak water overflow 11 is connected to the upper end of the housing 10 containing the vent valve, which discharges the above emerging from the housing 10 leakage water via a arranged next to the housing 10, downwardly facing outlet opening.
  • the water emerging from the outlet opening falls down into a collecting funnel 3, which is connected to a sewer line 4.
  • conventional ventilation devices may include a housing containing a vent valve, a leak water overflow, and a hopper connected to a sewer pipe.
  • the inventively modified housing 10 is enclosed by a Bel distinctionermantel 13, which contains a solenoid valve 14. From the interior of the housing 10 below the vent valve disposed therein performs a bypass line through the Belfunctionalermantel 13 to the solenoid valve 14.
  • the solenoid valve 14 blocks a passage from the bypass line to a coupled to a connector 15 drain pipe 16.
  • the drain pipe 16 leads from the connector 15 to an outlet opening arranged next to the outlet opening of the leak water overflow 11, wherein the end of the drain pipe 16 located at the outlet opening is connected to the leak water overflow 11 via a fastening clip 17.
  • the outlet opening of the drain pipe 16 is arranged so that the water exiting from it falls into the collecting funnel 3 of the sewer 4.
  • the electrical connections of the solenoid valve 14 are covered by a cap 18.
  • the cap 18 has an opening with a cable strain relief 19 through which a cable 6 exits.
  • the control module 5 contains in a housing 31 a control unit 30 and a battery 32.
  • the control unit 30 is connected via the cable 6 to the solenoid valve 14 in order to control this.
  • the housing 31 contains a cable bushing with strain relief 33 for the cable 6.
  • the battery 32 supplies the control unit 30 and via the cable 6 and the solenoid valve 14 with the energy required for controlling and driving.
  • the control unit 30 is provided with means that allow actuation and / or adjustment of parameters of the control device 30.
  • FIG. 1 schematically shown is a suitable for actuation by the hand of an operator approach sensor 34, which consists of a in FIG. 1 not shown upper shell of the housing 31 protrudes through a corresponding opening.
  • FIG. 2 shows a plan view of the in FIG. 1 shown pipe vent 1 with the vent valve receiving housing 10, the leak water overflow 11, the Belclassermantel 13 with the solenoid valve 14 and the coupled to the solenoid valve 14 via the connector 15 drain pipe 16 which is attached to the clip 17 to the leak water overflow 11.
  • a closure screw 12 of the leak water overflow 11, with the aid of which the leak water overflow 11 can be opened after dismantling the drainage pipe 16, can also be seen in order to ensure maintenance of the drainage pipe 11 in FIG Allow leakage water overflow 11 additionally located check valve.
  • FIG. 3 shows a sectional view of the in FIG. 1
  • the pipe ventilator 1 according to the invention has an aerator housing 10 to be fastened to the upper end of the riser 2 for receiving a ventilation valve and a leak water overflow 11 mounted thereon.
  • the housing 10 is fastened with its projection 28 on the riser.
  • the penetrating from the riser 2 water hits inside the housing 10 on a trained as a float and seal body plastic hollow ball 23, which rests in the deflated state on a support.
  • the plastic hollow ball 23 is pushed by the incoming water upwards and meets here on a circular seal 22, so that the hollow ball 23 and the seal 22 together form a vent valve.
  • the details of the receptacle and arrangement of the hollow ball 23 and the seal 22 will not be described in detail here, since these are known from the prior art.
  • the housing 10 has an outlet for leakage water.
  • a leak water overflow 11 is mounted, which has an above the seal 22 of the housing 10 arranged inlet opening. Any leaking water enters the interior of the leak water overflow 11 and there may flow a ball 21 against a suitable seal, which together form a further valve against leakage of water leakage. Leakage water exiting due to activation continues to flow to a downwardly opening of the leak water overflow 11 and from there to the in FIG. 1 shown receiving hopper 3 of the sewer line 4 flow.
  • the leak water overflow 11 has a guide device 20 for guiding the ball 21. The back of the guide interior of the leak water overflow 11 is closed by a screw plug 12.
  • the housing 10 is in the housing 10 below the ventilation valve formed by the ball 23 and the seal 22 radially introduced to the outside leading holes 24, wherein the housing 10 is tightly enclosed in this area of the aerator 13.
  • the aerator 13 has in this embodiment, an inner groove which forms a bore 24 encompassing the annular channel in which the water derived from the bores 24 to a provided in the Bellustermantel 13, leading to the solenoid valve 14 bore 25 is passed.
  • the annular channel formed by the inner groove and the additional bore 25 may also be any other connection channel between the holes 24 and the valve may be formed, for example, the inner groove may be formed so deep that it extends to a valve chamber.
  • the solenoid valve 14 with its electromechanical actuator 26 (solenoid) is disposed between the bore 25 and a flow restrictor 27.
  • the connector 15 connects, which receives the drain pipe 16.
  • the flow restrictor 27 may also be omitted.
  • the solenoid valve 14 is a so-called bistable solenoid valve, which remains either in the open or the closed position, as long as it is no longer supplied with energy (for example, supplied with electricity). It is acted upon only for the change from one to the other state with drive energy.
  • the control unit 30 includes a control circuit with energy-saving operable devices comprising a microcontroller.
  • the microcontroller is operated by a control program stored in a nonvolatile memory contained therein.
  • the processed by the microcontroller control program ensures that at regular intervals, for example, every 72 hours, the solenoid valve 14 is opened for a predetermined period, for example for half a minute.
  • the opening time is taking into account the length and the diameter of the riser 2 (that is, the amount of water contained therein), the flow limitation by the flow restrictor 27 (if present) and the water pressure so dimensioned that the exiting amount of water is preferably greater than that in the Riser 2 accumulated amount of water. This ensures a complete replacement of the stagnant water.
  • an even higher amount of water can be adjusted, so that a further flushing of the riser is ensured after drainage of Stagnationswassers.
  • the duration of the interval between two successive flushes is adjusted so that overall the lowest possible energy consumption is ensured in compliance with the prescribed for hygiene reasons flushing intervals.
  • control unit 30 is provided with a sensor or a circuit for detecting the state of charge or remaining charge of the battery 32.
  • the control unit 30 is configured so that it opens the solenoid valve 14 only if previously detected, the amount of residual charge in the battery 32 is sufficient for resealing the solenoid valve 14.
  • control unit 30 includes a sensor, such as a capacitive proximity sensor 34, which senses the approach of a hand and interpreted as an actuation request. In such an actuation of the control unit (regardless of the regular flushing intervals) an additional flushing of the riser 2 and thus a functional check is initiated.
  • a sensor such as a capacitive proximity sensor 34

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Sink And Installation For Waste Water (AREA)

Claims (6)

  1. Dispositif d'aération (1) pour la fermeture d'un conduit ascendant (2) côté extrémité, le dispositif d'aération (1) présentant une soupape d'aération (22, 23) fermant la sortie d'eau hors du conduit ascendant (2) et permettant l'entrée d'air en cas de chute de pression dans le conduit ascendant (2), le dispositif d'aération (1) présentant un boîtier (10) contenant la soupape d'aération (22, 23), un trop-plein d'eau de fuite (11) étant raccordé à l'extrémité supérieure du boîtier (10), lequel évacue l'eau de fuite sortant du boîtier (10) par le biais d'une ouverture de sortie orientée vers le bas et disposée à côté du boîtier (10) vers un entonnoir collecteur (3),
    caractérisé en ce que
    le dispositif d'aération (1) contient un système pour la réduction de la stagnation d'eau dans le conduit ascendant (2), le système pour la réduction de la stagnation comporte un conduit d'évacuation (24, 25, 16) entourant la soupape d'aération (22, 23), lequel est fermé par une électrovanne (14) actionnable par un dispositif de commande (30),
    dans lequel le boîtier (10) est entouré par une enveloppe d'aérateur (13) contenant l'électrovanne (14),
    dans lequel un conduit de dérivation (24, 25) sort de l'espace intérieur du boîtier (10) en dessous de la soupape d'aération (22, 23) disposée dans celui-ci, traverse l'enveloppe d'aérateur (13) et mène vers l'électrovanne (14), et l'électrovanne (14) ferme un passage allant du conduit de dérivation (24, 25) vers un tuyau de décharge (16), le conduit de dérivation (24, 25) et le tuyau de décharge (16) formant le conduit d'évacuation, et
    dans lequel le tuyau de décharge (16) mène vers une ouverture de sortie disposée à côté de l'ouverture de sortie du trop-plein d'eau de fuite (11), de telle façon que l'eau sortant de l'ouverture de sortie du tuyau de décharge (16) s'écoule dans l'entonnoir collecteur (3).
  2. Dispositif d'aération selon la revendication 1, caractérisé en ce que le dispositif de commande (30) est configuré de telle façon que l'électrovanne (14) s'ouvre automatiquement après des intervalles de temps respectivement prédéfinis pour une durée d'ouverture respectivement prédéfinie, la durée d'ouverture prédéfinie étant sélectionnée de manière à ce qu'une quantité d'eau supérieure à la quantité d'eau de stagnation reçue par le conduit ascendant puisse respectivement s'écouler hors du conduit ascendant (2).
  3. Dispositif d'aération selon la revendication 2, caractérisé en ce que le dispositif de commande (30) est configuré de manière à ouvrir automatiquement l'électrovanne (14) de façon répétée après un intervalle de temps prédéfini pour une durée d'ouverture prédéfinie.
  4. Dispositif d'aération selon l'une des revendications 1 à 3, caractérisé par un accumulateur d'énergie local (32) alimentant le dispositif de commande (30) et un solénoïde (26) de l'électrovanne (14) commandé par le dispositif de commande (30).
  5. Dispositif d'aération selon la revendication 4, caractérisé en ce que le solénoïde (26) commandé par le dispositif de commande (30) déplace l'électrovanne (14) aussi bien dans la position ouverte que dans la position fermée, l'électrovanne (14) demeurant dans la position respective sans que le solénoïde (26) n'utilise d'énergie.
  6. Dispositif d'aération selon la revendication 5, caractérisé en ce que le dispositif de commande (30) présente un dispositif de capteur pour la détection d'un état de charge de l'accumulateur d'énergie (32) et configuré de manière à n'ouvrir l'électrovanne (14) que lorsque l'énergie stockée dans l'accumulateur d'énergie (32) suffit également pour l'actionnement consécutif du solénoïde (26) pour la fermeture de l'électrovanne (14).
EP14158870.7A 2014-03-11 2014-03-11 Dispositif de ventilation pour une colonne montante comprenant un dispositif de réduction de l'eau stagnante Active EP2918738B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14158870.7A EP2918738B1 (fr) 2014-03-11 2014-03-11 Dispositif de ventilation pour une colonne montante comprenant un dispositif de réduction de l'eau stagnante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14158870.7A EP2918738B1 (fr) 2014-03-11 2014-03-11 Dispositif de ventilation pour une colonne montante comprenant un dispositif de réduction de l'eau stagnante

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Publication Number Publication Date
EP2918738A1 EP2918738A1 (fr) 2015-09-16
EP2918738B1 true EP2918738B1 (fr) 2017-11-22

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015015649B4 (de) 2015-12-02 2017-10-26 Bekim Osmanaj Leitungsspülvorrichtung und leitungsspülsystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144209B (de) 1959-03-26 1963-02-21 Friedrich Stumpf Vorrichtung zur Ent- und Belueftung einer Steigrohrleitung in Hauswasserleitungsanlagen
DE9405108U1 (de) 1994-03-25 1994-05-26 Metallwerke Gebr. Seppelfricke Gmbh & Co, 45881 Gelsenkirchen Rohrbelüfter für die Endstrangbelüftung von Trinkwasserinstallationen
US7178739B2 (en) * 2004-06-09 2007-02-20 Taylor Thomas M Automatic stagnant water flushing system
DK1964983T3 (da) * 2007-03-01 2011-02-07 Geberit Int Ag Apparat til automatisk skylning af vandledninger
GB2478124A (en) * 2010-02-24 2011-08-31 City Water & Environmental Consultants Ltd Water Sanitary Management System

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