EP3215409B1 - Plumbing trap device - Google Patents

Plumbing trap device Download PDF

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Publication number
EP3215409B1
EP3215409B1 EP15804480.0A EP15804480A EP3215409B1 EP 3215409 B1 EP3215409 B1 EP 3215409B1 EP 15804480 A EP15804480 A EP 15804480A EP 3215409 B1 EP3215409 B1 EP 3215409B1
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EP
European Patent Office
Prior art keywords
liquid chamber
liquid
trap device
plumbing trap
chamber
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EP15804480.0A
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German (de)
French (fr)
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EP3215409B8 (en
EP3215409A1 (en
Inventor
Frank Kemmerling
Petra SILBERMANN
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.)
Siemens Mobility GmbH
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Siemens AG
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Publication of EP3215409B8 publication Critical patent/EP3215409B8/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D35/00—Sanitation
    • B61D35/005—Toilet facilities
    • B61D35/007—Toilet facilities comprising toilet waste receiving, treatment, storage, disposal or removal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D35/00—Sanitation
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/284—Odour seals having U-shaped trap
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/294—Odour seals with provisions against loss of water lock
    • 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
    • E03D11/18—Siphons

Definitions

  • the invention relates to odor trap devices, in particular siphons, according to the preamble of claim 1 and to vehicles equipped with such odor trap devices.
  • Such an odor trap device is for example from the DE 10 2012 223 242 A1 which discloses an odor trap device for rail vehicles, wherein liquid present in a liquid chamber, with sufficient liquid level, forms an odor trap between an inlet opening and a drain port of the odor trap device.
  • sewage systems of today's common rail vehicles can cause odor nuisance by aerated gases, if they escape from a gray water tank of the rail vehicle in the direction of the vehicle interior.
  • the wastewater systems are equipped with odor control devices, usually in the form of siphons.
  • the invention has for its object to provide an odor trap, in particular a siphon specify, in which the risk of unwanted decommissioning of the odor trap in the case of negative pressure surges or pressure surges excluded, at least reduced, is.
  • the invention provides that the odor trap device comprises a pressure surge reducing device which damps an overpressure or vacuum surge at a drain port or at an inlet opening of the odor trap device by increasing or decreasing the volume of the liquid chamber of the odor trap device, wherein the pressure surge reducing device is formed by a membrane or such which, in the case of an overpressure shock, deforms outwardly by increasing the volume of the liquid chamber and, in the case of a vacuum shock, deforms inwardly while reducing the volume of the liquid chamber.
  • a significant advantage of the odor-trap device according to the invention is that pressure surges on the liquid chamber are damped by the pressure-surge reduction device and that suction, ejection or sloshing of liquid in the liquid chamber is avoided or at least reduced.
  • the pressure surge reducing device provided according to the invention that the likelihood of decommissioning of the odor trap effect is reduced by fluid loss in the case of pressure surges or vacuum surges.
  • the membrane forms a container wall of the liquid chamber or at least a wall portion of the container wall of the liquid chamber.
  • the membrane is preferably elastically deformable.
  • a cap in a particularly preferred embodiment of the odor-trap device, provision is made for a cap to be arranged on the outside of the liquid chamber above the membrane, which together with the membrane forms a pressure-equalizing chamber located outside the liquid chamber and separated by the membrane.
  • the pressure compensation chamber advantageously influences the mechanical deflection of the membrane and thus the damping effect exerted by the membrane or the pressure surge reduction device as a whole on overpressure surges or negative pressure surges.
  • the pressure compensation chamber has a ventilation valve through which outside air can flow into the pressure compensation chamber at negative pressure in the fluid chamber and through which air can flow out of the pressure compensation chamber to the outside in the liquid chamber in the event of overpressure.
  • the damping effect of the membrane can be specified by setting the ventilation valve or by adjusting the passage rate of the ventilation valve targeted.
  • the membrane is arranged in the region of the container bottom of the liquid chamber or forms the container bottom of the liquid chamber.
  • the membrane is arranged below the inlet opening.
  • the odor-stop device comprises a refilling device for the automatic refilling of liquid into the liquid chamber.
  • the refill preferably triggers an automatic refilling of liquid in the liquid chamber, when the liquid level in the liquid chamber falls below a predetermined minimum liquid level.
  • the refilling device it is considered to be particularly advantageous if it has a liquid sensor which generates a control signal when a predetermined minimum liquid level in the liquid chamber is undershot.
  • the odor-sealing device in particular its refilling device, preferably has a controllable shut-off device which, when open, permits a liquid flow in the direction of the liquid chamber and blocks a liquid flow in the direction of the liquid chamber in the closed state.
  • the obturator is directly or indirectly connected to the liquid sensor and the obturator switches in the presence of the control signal of the liquid sensor in its open state.
  • the predetermined minimum liquid level preferably corresponds to a liquid level between the inlet opening and the outlet connection.
  • the obturator is an electrically controllable obturator and the liquid sensor generates a control signal as an electrical control signal.
  • the obturator is preferably arranged such that, in the opened state, it permits a flow of liquid into a section of the inlet pipe located outside the liquid chamber.
  • the obturator communicates with a fresh water line and in the opened state permits a flow of fresh water into the liquid chamber or into a section of the inlet pipe located outside the liquid chamber.
  • the liquid chamber has a shut-off located below the drain port, which in the open state, a flow of Liquid from the liquid chamber, preferably a complete emptying of the liquid chamber allows.
  • the odor trap device preferably comprises an inlet tube for filling a liquid into the liquid chamber.
  • the inlet opening of the inlet pipe preferably forms the inlet opening of the odor trap device and is preferably arranged below the outlet connection.
  • the drain connection preferably allows the liquid to flow out of the liquid chamber as soon as the liquid level reached in the liquid chamber a predetermined minimum level.
  • the invention also relates to a wastewater treatment plant. According to the invention, it is provided with regard to such a wastewater treatment plant that it is equipped with an odor closure device, as has been described above.
  • the invention also relates to a vehicle, in particular rail vehicle. According to the invention, it is provided with respect to such a vehicle that it is equipped with an odor-trap device, as has been described above.
  • the FIG. 1 shows an odor trap 10 in the form of a pot siphon.
  • the odor-trap device 10 comprises inter alia an inlet tube 20 which projects into a liquid chamber 30 of the odor-trap device 10.
  • the liquid chamber 30 is bounded on the outside by a container wall 40.
  • a wall portion 41 of the container wall 40 is formed by a membrane 50 which is elastically deformable.
  • the odor trap 10 is provided with a drain port 60 which allows drainage of a liquid F in the liquid chamber 30 when the liquid level FS in the liquid chamber 30 reaches the level of the drain port 60.
  • the membrane 50 is covered on the outside by a cap 70, which is equipped with a ventilation valve 80.
  • the membrane 50 and the cap 70 together define a pressure equalization chamber 90 which is disposed adjacent to the liquid chamber 30 and is mechanically coupled via the membrane 50 to the interior of the liquid chamber 30.
  • the diaphragm 50 and the pressure compensation chamber 90 together form a pressure surge reduction device 100 with which excess pressure surges and vacuum surges can be damped at the drain port 60 and / or at the inlet port 21 of the inlet tube 20.
  • the odor trap 10 is further equipped with a refill 200.
  • the refilling device 200 has a liquid sensor 210, which is connected via a control line 220 to a shut-off device in the form of an inlet valve 230.
  • a shut-off device in the form of an inlet valve 230.
  • At the inlet valve 230 may be, for example, an electrically switchable solenoid valve, which can be switched on or off via an electrical control signal ST.
  • the inlet valve 230 connects a section 21 of the inlet tube 20 located outside the liquid chamber 30 to a fresh water line 240.
  • the odor trap 10 according to FIG. 1 is also equipped with a shut-off device in the form of a drain valve 300, which allows in the open state, a drainage of the liquid contained in the liquid chamber 30 F.
  • a shut-off device in the form of a drain valve 300, which allows in the open state, a drainage of the liquid contained in the liquid chamber 30 F.
  • the odor trap 10 works as follows: If excess pressure surges DS1 or negative pressure surges DS2 occur in the discharge line 61 connected to the discharge connection 60, they are damped by the pressure reduction device 100. The damping of the overpressure surges DS1 and the vacuum surges DS2 takes place by a mechanical deflection of the membrane 50: In the case of a pressure surge DS1 at the drain port 60, the membrane 50 is deflected along the direction of the arrow P1 downwards or in the direction of the cap 70, whereby the volume is increased within the liquid chamber 30 and the effect of the pressure surge is reduced.
  • vacuum surges DS2 are damped by deflecting the membrane 50. That's how it shows FIG. 1 in that the diaphragm 50 is deflected upwards in the direction of the arrow P2 in the event of a vacuum shock DS2, whereby the volume within the fluid chamber 30 is reduced and the effect of the vacuum shock is reduced.
  • the deflection movement of the diaphragm 50 along the direction of the arrow P1 or P2 is in the embodiment according to FIG. 1 not alone determined by the diaphragm 50 and the pressure surges acting on it, but also by the pressure compensation chamber 90 and the ventilation valve 80; because these components also dampen the membrane movement via the internal pressure in the pressure compensation chamber 90.
  • the damping characteristic can thus be set and optimized in a targeted manner.
  • a wave-like wave formation may occur on the surface of the liquid F in the liquid chamber 30, so that the liquid F spills over in the direction of the discharge port 60 and may lead to an unwanted level loss in the liquid chamber 30.
  • Such a sea-wave-like wave formation within the liquid chamber 30 can - as the inventor was found to reduce - when the geometry of the liquid chamber 30 and the inlet tube 20 is suitably selected. It is considered particularly advantageous in this connection if the inner cross-sectional area, in particular the inner diameter D of the liquid chamber 30, is at least three times as large as the inner cross-sectional area, in particular the inner diameter d, of the inlet pipe 20.
  • the odor-trap device 10 is used in a vehicle, in particular a rail vehicle, it is considered advantageous if it is possible to empty the liquid chamber 30 in the event of a decommissioning of the vehicle in order to freeze liquid F in the liquid chamber 30 and destroy the liquid To avoid odor closure device 10.
  • Emptying of the liquid chamber 30 is in the odor trap 10 according to FIG. 1 by the shut-off valve 300, which in the opened state, a drainage of the liquid F, preferably a complete emptying of the liquid chamber 30, allows.
  • FIG. 2 shows an embodiment of an odor trap 10, the structure of which substantially the odor trap 10 according to FIG. 1 equivalent.
  • a drain valve 300 in contrast to the odor trap 10 according to FIG. 1 was explained.
  • the above explanations apply in connection with the odor trap device 10 according to FIG. 1 in the odor trap 10 according to FIG. 2 corresponding.
  • FIG. 3 shows an embodiment of an odor trap 10, the structure of which substantially the odor trap 10 according to FIG. 1 equivalent.
  • the refill 200 as related to the FIG. 1 was explained.
  • the above explanations apply in connection with the odor trap device 10 according to FIG. 1 in the odor trap 10 according to FIG. 3 corresponding.
  • FIG. 4 1 shows an exemplary embodiment of an odor closure device 10, in which a pressure reduction device 100 is formed exclusively by a wall section 41 of the container wall 40 of the liquid chamber 30 designed as a membrane. An additional pressure equalizing chamber adjacent to the liquid chamber 30 is absent from the odor trap 10.
  • FIG. 5 shows an embodiment of a rail vehicle 500.
  • a sewer system 510 which includes, inter alia, a waste water inlet 520 and a waste water collection container 530 in the form of a gray water tank.
  • the sewage collecting tank 530 is equipped with a vent pipe 531.
  • the first sewage pipe 540 connects the sewage inlet 520 to the odor trap 10
  • the second sewage pipe 550 connects the odor trap 10 to the sewage catcher 530.
  • overpressure surges DS1 or vacuum surges DS2 occur in the case of tunnel journeys, they are led via the venting pipe 531 into the wastewater collecting vessel 530 and from there to the odor-sealing device 10.
  • the odor stopper 10 is one of those described in connection with FIGS FIGS. 1 to 4 has been explained, or at least an odor trap device with a pressure reducing device which damps incoming pressure surges DS1 or vacuum surges DS2, as described above in connection with FIGS. 1 to 4 has been explained.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Fluid-Driven Valves (AREA)

Description

Die Erfindung bezieht sich auf Geruchsverschlusseinrichtungen, insbesondere Siphons, nach dem Oberbegriff von Anspruch 1 sowie auf Fahrzeuge, die mit solchen Geruchsverschlusseinrichtungen ausgestattet sind.The invention relates to odor trap devices, in particular siphons, according to the preamble of claim 1 and to vehicles equipped with such odor trap devices.

Eine solche Geruchsverschlusseinrichtung ist beispielsweise aus der DE 10 2012 223 242 A1 bekannt, welche eine Geruchsverschlusseinrichtung für Schienenfahrzeuge offenbart, wobei in einer Flüssigkeitskammer befindliche Flüssigkeit bei ausreichendem Flüssigkeitsstand einen Geruchsverschluss zwischen einer Einlassöffnung und einem Ablaufanschluss der Geruchsverschlusseinrichtung bildet.Such an odor trap device is for example from the DE 10 2012 223 242 A1 which discloses an odor trap device for rail vehicles, wherein liquid present in a liquid chamber, with sufficient liquid level, forms an odor trap between an inlet opening and a drain port of the odor trap device.

Bei Abwassersystemen heutzutage üblicher Schienenfahrzeuge kann es zu Geruchsbelästigung durch Faulgase kommen, wenn diese aus einem Grauwassertank des Schienenfahrzeugs in Richtung des Fahrzeuginneren entweichen. Um einen Eintritt von Faulgasen in das Fahrzeuginnere zu vermeiden, sind die Abwassersysteme mit Geruchsverschlusseinrichtungen, üblicherweise in Form von Siphons, ausgestattet.In sewage systems of today's common rail vehicles can cause odor nuisance by aerated gases, if they escape from a gray water tank of the rail vehicle in the direction of the vehicle interior. In order to prevent the entry of fouling gases into the vehicle interior, the wastewater systems are equipped with odor control devices, usually in the form of siphons.

Beim Einfahren in Tunnelabschnitte bzw. beim Verlassen von Tunnelabschnitten können, insbesondere bei hoher Fahrzeuggeschwindigkeit, Druckdifferenzen bzw. Druckstöße auftreten, die auf das Abwassersystem und die Grauwassertanks einwirken; derartige Druckstöße können dazu führen, dass die oben erwähnten Siphons leergesaugt werden oder das darin befindliche Wasser herausgedrückt wird. Sind die Siphons nicht mehr mit einer ausreichenden Wassersäule versehen, so verlieren sie - solange kein Wasser nachgefüllt wird - ihre Funktion als Geruchsverschlusseinrichtung, und Faulgase können aus dem Grauwassertank in Richtung des Fahrzeuginnenraums gelangen.When driving into tunnel sections or when leaving tunnel sections, pressure differences or pressure surges may occur, in particular at high vehicle speed, which act on the sewage system and the gray water tanks; Such pressure surges can cause the above-mentioned siphons to be sucked empty or the water contained therein is pushed out. Are the siphons no longer provided with a sufficient water column, they lose - as long as no water is refilled - their function as odor trap, and digester gases can get out of the gray water tank in the direction of the vehicle interior.

Der Erfindung liegt die Aufgabe zugrunde, eine Geruchsverschlusseinrichtung, insbesondere einen Siphon, anzugeben, bei dem die Gefahr einer unerwünschten Außerbetriebsetzung der Geruchsverschlusswirkung im Falle von Unterdruckstößen oder Überdruckstößen ausgeschlossen, zumindest reduziert, ist.The invention has for its object to provide an odor trap, in particular a siphon specify, in which the risk of unwanted decommissioning of the odor trap in the case of negative pressure surges or pressure surges excluded, at least reduced, is.

Diese Aufgabe wird erfindungsgemäß durch eine Geruchsverschlusseinrichtung mit den Merkmalen gemäß Patentanspruch 1 gelöst. Vorteilhafte Ausgestaltungen der erfindungsgemäßen Geruchsverschlusseinrichtung sind in Unteransprüchen angegeben.This object is achieved by an odor trap device with the features of claim 1. Advantageous embodiments of the invention Odor closure device are specified in subclaims.

Danach ist erfindungsgemäß vorgesehen, dass die Geruchsverschlusseinrichtung eine Druckstoßminderungseinrichtung aufweist, die einen Überdruck- oder Unterdruckstoß an einem Ablaufanschluss oder an einer Einlassöffnung der Geruchsverschlusseinrichtung durch Vergrößerung oder Verkleinerung des Volumens der Flüssigkeitskammer der Geruchsverschlusseinrichtung dämpft, wobei die Druckstoßminderungseinrichtung durch eine Membran gebildet ist oder eine solche umfasst, die im Fall eines Überdruckstoßes unter Erhöhung des Volumens der Flüssigkeitskammer nach außen verformt und im Fall eines Unterdruckstoßes unter Verkleinerung des Volumens der Flüssigkeitskammer nach innen verformt wird.Thereafter, the invention provides that the odor trap device comprises a pressure surge reducing device which damps an overpressure or vacuum surge at a drain port or at an inlet opening of the odor trap device by increasing or decreasing the volume of the liquid chamber of the odor trap device, wherein the pressure surge reducing device is formed by a membrane or such which, in the case of an overpressure shock, deforms outwardly by increasing the volume of the liquid chamber and, in the case of a vacuum shock, deforms inwardly while reducing the volume of the liquid chamber.

Ein wesentlicher Vorteil der erfindungsgemäßen Geruchsverschlusseinrichtung ist darin zu sehen, dass Druckstöße auf die Flüssigkeitskammer durch die Druckstoßminderungseinrichtung gedämpft werden und ein Absaugen, Herausstoßen oder Herausschwappen von in der Flüssigkeitskammer befindlicher Flüssigkeit vermieden oder zumindest reduziert wird. Mit anderen Worten lässt sich durch die erfindungsgemäß vorgesehene Druckstoßminderungseinrichtung erreichen, dass die Wahrscheinlichkeit einer Außerbetriebsetzung der Geruchsverschlusswirkung durch Flüssigkeitsverlust im Falle von Überdruckstößen oder Unterdruckstößen reduziert ist.A significant advantage of the odor-trap device according to the invention is that pressure surges on the liquid chamber are damped by the pressure-surge reduction device and that suction, ejection or sloshing of liquid in the liquid chamber is avoided or at least reduced. In other words, can be achieved by the pressure surge reducing device provided according to the invention that the likelihood of decommissioning of the odor trap effect is reduced by fluid loss in the case of pressure surges or vacuum surges.

Vorzugsweise bildet die Membran eine Behälterwand der Flüssigkeitskammer oder zumindest einen Wandabschnitt der Behälterwand der Flüssigkeitskammer.Preferably, the membrane forms a container wall of the liquid chamber or at least a wall portion of the container wall of the liquid chamber.

Die Membran ist bevorzugt elastisch deformierbar.The membrane is preferably elastically deformable.

Bei einer besonders bevorzugten Ausgestaltung der Geruchsverschlusseinrichtung ist vorgesehen, dass außen an der Flüssigkeitskammer über der Membran eine Kappe angeordnet ist, die gemeinsam mit der Membran eine außerhalb der Flüssigkeitskammer befindliche und durch die Membran von dieser getrennte Druckausgleichskammer bildet. Die Druckausgleichskammer beeinflusst in vorteilhafter Weise die mechanische Auslenkung der Membran und somit die Dämpfungswirkung, die die Membran bzw. die Druckstoßminderungseinrichtung insgesamt auf Überdruckstöße oder Unterdruckstöße ausübt.In a particularly preferred embodiment of the odor-trap device, provision is made for a cap to be arranged on the outside of the liquid chamber above the membrane, which together with the membrane forms a pressure-equalizing chamber located outside the liquid chamber and separated by the membrane. The pressure compensation chamber advantageously influences the mechanical deflection of the membrane and thus the damping effect exerted by the membrane or the pressure surge reduction device as a whole on overpressure surges or negative pressure surges.

Besonders vorteilhaft ist es, wenn die Druckausgleichskammer ein Be- und Entlüftungsventil aufweist, durch das bei Unterdruck in der Flüssigkeitskammer Außenluft in die Druckausgleichskammer einströmen und durch das bei Überdruck in der Flüssigkeitskammer Luft aus der Druckausgleichskammer nach außen abströmen kann. Die Dämpfungswirkung der Membran lässt sich durch die Einstellung des Be- und Entlüftungsventils bzw. durch die Einstellung der Durchlassrate des Be- und Entlüftungsventils gezielt vorgeben.It is particularly advantageous if the pressure compensation chamber has a ventilation valve through which outside air can flow into the pressure compensation chamber at negative pressure in the fluid chamber and through which air can flow out of the pressure compensation chamber to the outside in the liquid chamber in the event of overpressure. The damping effect of the membrane can be specified by setting the ventilation valve or by adjusting the passage rate of the ventilation valve targeted.

Vorzugsweise ist die Membran im Bereich des Behälterbodens der Flüssigkeitskammer angeordnet oder bildet den Behälterboden der Flüssigkeitskammer.Preferably, the membrane is arranged in the region of the container bottom of the liquid chamber or forms the container bottom of the liquid chamber.

Um die Einlassöffnung vor Überdruckstößen oder Unterdruckstößen zu schützen, wird es als besonders vorteilhaft angesehen, wenn die Membran unterhalb der Einlassöffnung angeordnet ist.In order to protect the inlet opening from excess pressure surges or vacuum surges, it is considered particularly advantageous if the membrane is arranged below the inlet opening.

Erfinderseitig wurde festgestellt, dass Überdruckstöße oder Unterdruckstöße im Bereich des Ablaufanschlusses zu einer Wellenbildung in der in der Flüssigkeitskammer befindlichen Flüssigkeit sowie zu einem Herausschwappen der Flüssigkeit aus dem Ablaufanschluss führen können. Eine solche Wellenbildung bzw. ein "Seegang" innerhalb der Flüssigkeitskammer lässt sich minimieren, wenn die innere Querschnittsfläche, insbesondere der Innendurchmesser, der Flüssigkeitskammer mindestens dreimal so groß wie die innere Querschnittsfläche, insbesondere der Innendurchmesser, des Einlassrohrs ist.It has been found by the inventor that overpressure surges or underpressure surges in the region of the discharge connection can lead to corrugation in the liquid present in the liquid chamber and to a spilling out of the liquid from the discharge connection. Such a wave formation or a "sea state" within the liquid chamber can be minimized if the inner cross-sectional area, in particular the inner diameter, of the liquid chamber at least three times as large as the inner cross-sectional area, in particular the inner diameter of the inlet tube is.

Unter Umständen kann die Situation eintreten, dass trotz der Druckminderungseinrichtung ein Flüssigkeitsverlust in der Flüssigkeitskammer auftritt, insbesondere bei sehr großen Druck- oder Unterdruckstößen. Um die Geruchsverschlusswirkung durch die Geruchsverschlusseinrichtung dennoch zu gewährleisten, wird es als vorteilhaft angesehen, wenn die Geruchsverschlusseinrichtung eine Nachfülleinrichtung zum automatischen Nachfüllen von Flüssigkeit in die Flüssigkeitskammer umfasst.Under certain circumstances, the situation may occur that, despite the pressure reduction device, a loss of fluid in the fluid chamber occurs, in particular in the case of very large pressure or vacuum surges. In order nevertheless to ensure the odor-occlusive action by the odor-closure device, it is considered advantageous if the odor-stop device comprises a refilling device for the automatic refilling of liquid into the liquid chamber.

Die Nachfülleinrichtung löst bevorzugt ein automatisches Nachfüllen von Flüssigkeit in die Flüssigkeitskammer aus, wenn der Flüssigkeitsstand in der Flüssigkeitskammer einen vorgegebenen Mindestflüssigkeitsstand unterschreitet. Mit einer solchen Nachfülleinrichtung lässt sich gewährleisten, dass stets ein ausreichender Flüssigkeitsstand in der Flüssigkeitskammer vorhanden ist.The refill preferably triggers an automatic refilling of liquid in the liquid chamber, when the liquid level in the liquid chamber falls below a predetermined minimum liquid level. With such a refilling device can ensure that there is always a sufficient liquid level in the liquid chamber.

Mit Blick auf die Ausgestaltung der Nachfülleinrichtung wird es als besonders vorteilhaft angesehen, wenn diese einen Flüssigkeitssensor aufweist, der bei Unterschreiten eines vorgegebenen Mindestflüssigkeitsstandes in der Flüssigkeitskammer ein Steuersignal erzeugt.With regard to the configuration of the refilling device, it is considered to be particularly advantageous if it has a liquid sensor which generates a control signal when a predetermined minimum liquid level in the liquid chamber is undershot.

Vorzugsweise weist die Geruchsverschlusseinrichtung, insbesondere deren Nachfülleinrichtung, ein steuerbares Absperrorgan auf, das in geöffnetem Zustand einen Flüssigkeitsstrom in Richtung der Flüssigkeitskammer zulässt und in geschlossenem Zustand einen Flüssigkeitsstrom in Richtung der Flüssigkeitskammer blockiert.The odor-sealing device, in particular its refilling device, preferably has a controllable shut-off device which, when open, permits a liquid flow in the direction of the liquid chamber and blocks a liquid flow in the direction of the liquid chamber in the closed state.

Vorteilhaft ist es, wenn das Absperrorgan mittelbar oder unmittelbar mit dem Flüssigkeitssensor verbunden ist und das Absperrorgan bei Vorliegen des Steuersignals des Flüssigkeitssensors in seinen geöffneten Zustand schaltet.It is advantageous if the obturator is directly or indirectly connected to the liquid sensor and the obturator switches in the presence of the control signal of the liquid sensor in its open state.

Der vorgegebene Mindestflüssigkeitsstand entspricht vorzugsweise einem Flüssigkeitsstand zwischen der Einlassöffnung und dem Ablaufanschluss.The predetermined minimum liquid level preferably corresponds to a liquid level between the inlet opening and the outlet connection.

Als vorteilhaft wird es angesehen, wenn das Absperrorgan ein elektrisch steuerbares Absperrorgan ist und der Flüssigkeitssensor als Steuersignal ein elektrisches Steuersignal erzeugt.It is considered advantageous if the obturator is an electrically controllable obturator and the liquid sensor generates a control signal as an electrical control signal.

Das Absperrorgan ist vorzugsweise derart angeordnet, dass es im geöffneten Zustand einen Flüssigkeitsstrom in einen außerhalb der Flüssigkeitskammer befindlichen Abschnitt des Einlassrohrs zulässt.The obturator is preferably arranged such that, in the opened state, it permits a flow of liquid into a section of the inlet pipe located outside the liquid chamber.

Besonders vorteilhaft ist es, wenn das Absperrorgan mit einer Frischwasserleitung in Verbindung steht und im geöffneten Zustand einen Frischwasserstrom in die Flüssigkeitskammer oder in einen außerhalb der Flüssigkeitskammer befindlichen Abschnitt des Einlassrohrs zulässt.It is particularly advantageous if the obturator communicates with a fresh water line and in the opened state permits a flow of fresh water into the liquid chamber or into a section of the inlet pipe located outside the liquid chamber.

Um bei Außerbetriebnahme der Geruchsverschlusseinrichtung bzw. eines Abwassersystems, das mit einer solchen Geruchsverschlusseinrichtung ausgestattet ist, ein einfaches Entleeren der Flüssigkeitskammer zu ermöglichen, wird es als vorteilhaft angesehen, wenn die Flüssigkeitskammer ein unterhalb des Ablaufanschlusses befindliches Absperrorgan aufweist, das im geöffneten Zustand ein Abfließen von Flüssigkeit aus der Flüssigkeitskammer, vorzugsweise ein vollständiges Entleeren der Flüssigkeitskammer, ermöglicht.In order to enable a simple emptying of the liquid chamber when decommissioning the odor trap or a sewer system, which is equipped with such an odor trap, it is considered advantageous if the liquid chamber has a shut-off located below the drain port, which in the open state, a flow of Liquid from the liquid chamber, preferably a complete emptying of the liquid chamber allows.

Die Geruchsverschlusseinrichtung umfasst bevorzugt ein Einlassrohr zum Einfüllen einer Flüssigkeit in die Flüssigkeitskammer. Die Einlassöffnung des Einlassrohrs bildet vorzugsweise die Einlassöffnung der Geruchsverschlusseinrichtung und ist bevorzugt unterhalb des Ablaufanschlusses angeordnet. Der Ablaufanschluss ermöglicht vorzugsweise ein Abfließen der Flüssigkeit aus der Flüssigkeitskammer, sobald der Flüssigkeitsstand in der Flüssigkeitskammer ein vorgegebenes Mindestniveau erreicht.The odor trap device preferably comprises an inlet tube for filling a liquid into the liquid chamber. The inlet opening of the inlet pipe preferably forms the inlet opening of the odor trap device and is preferably arranged below the outlet connection. The drain connection preferably allows the liquid to flow out of the liquid chamber as soon as the liquid level reached in the liquid chamber a predetermined minimum level.

Die Erfindung bezieht sich darüber hinaus auf eine Abwasseranlage. Erfindungsgemäß ist bezüglich einer solchen Abwasseranlage vorgesehen, dass diese mit einer Geruchsverschlusseinrichtung, wie sie oben beschrieben worden ist, ausgestattet ist.The invention also relates to a wastewater treatment plant. According to the invention, it is provided with regard to such a wastewater treatment plant that it is equipped with an odor closure device, as has been described above.

Die Erfindung bezieht sich darüber hinaus auf ein Fahrzeug, insbesondere Schienenfahrzeug. Erfindungsgemäß ist bezüglich eines solchen Fahrzeugs vorgesehen, dass dieses mit einer Geruchsverschlusseinrichtung, wie sie oben beschrieben worden ist, ausgestattet ist.The invention also relates to a vehicle, in particular rail vehicle. According to the invention, it is provided with respect to such a vehicle that it is equipped with an odor-trap device, as has been described above.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher erläutert; dabei zeigen beispielhaft

Figur 1
ein Ausführungsbeispiel für eine erfindungsgemäße Geruchsverschlusseinrichtung, die mit einer Druckminderungseinrichtung, einer Nachfülleinrichtung sowie einem Ablaufventil ausgestattet ist,
Figur 2
ein Ausführungsbeispiel für eine erfindungsgemäße Geruchsverschlusseinrichtung ohne Ablaufventil,
Figur 3
ein Ausführungsbeispiel für eine erfindungsgemäße Geruchsverschlusseinrichtung ohne Nachfülleinrichtung,
Figur 4
ein Ausführungsbeispiel für eine erfindungsgemäße Geruchsverschlusseinrichtung, bei der eine Druckminderungseinrichtung allein durch eine Membran ohne zusätzliche Kappe gebildet ist, und
Figur 5
ein Ausführungsbeispiel für ein Fahrzeug, das mit einer Geruchsverschlusseinrichtung gemäß den Figuren 1 bis 4 ausgestattet ist.
The invention will be explained in more detail with reference to embodiments; thereby show by way of example
FIG. 1
An exemplary embodiment of an odor trap device according to the invention, which is equipped with a pressure reduction device, a refill device and a drain valve,
FIG. 2
An embodiment of an inventive odor trap device without drain valve,
FIG. 3
An embodiment of an inventive odor trap device without refill,
FIG. 4
an embodiment of an odor trap device according to the invention, in which a pressure reduction device is formed solely by a membrane without additional cap, and
FIG. 5
An exemplary embodiment of a vehicle, which with an odor trap device according to the FIGS. 1 to 4 Is provided.

In den Figuren werden der Übersicht halber für identische oder vergleichbare Komponenten stets dieselben Bezugszeichen verwendet.For the sake of clarity, the same reference numbers are always used in the figures for identical or comparable components.

Die Figur 1 zeigt eine Geruchsverschlusseinrichtung 10 in Form eines Topfsiphons. Die Geruchsverschlusseinrichtung 10 umfasst unter anderem ein Einlassrohr 20, das in eine Flüssigkeitskammer 30 der Geruchsverschlusseinrichtung 10 hineinragt. Die Flüssigkeitskammer 30 wird außen durch eine Behälterwand 40 begrenzt. Ein Wandabschnitt 41 der Behälterwand 40 wird durch eine Membran 50 gebildet, die elastisch deformierbar ist.The FIG. 1 shows an odor trap 10 in the form of a pot siphon. The odor-trap device 10 comprises inter alia an inlet tube 20 which projects into a liquid chamber 30 of the odor-trap device 10. The liquid chamber 30 is bounded on the outside by a container wall 40. A wall portion 41 of the container wall 40 is formed by a membrane 50 which is elastically deformable.

Räumlich oberhalb der Einlassöffnung 21 des Einlassrohres 20 ist die Geruchsverschlusseinrichtung 10 mit einem Ablaufanschluss 60 ausgestattet, der ein Ablaufen einer in der Flüssigkeitskammer 30 befindlichen Flüssigkeit F ermöglicht, wenn der Flüssigkeitsstand FS in der Flüssigkeitskammer 30 das Niveau des Ablaufanschlusses 60 erreicht.Spatially above the inlet opening 21 of the inlet pipe 20, the odor trap 10 is provided with a drain port 60 which allows drainage of a liquid F in the liquid chamber 30 when the liquid level FS in the liquid chamber 30 reaches the level of the drain port 60.

Die Membran 50 wird außenseitig von einer Kappe 70 abgedeckt, die mit einem Be- und Entlüftungsventil 80 ausgestattet ist. Die Membran 50 und die Kappe 70 begrenzen gemeinsam eine Druckausgleichskammer 90, die neben der Flüssigkeitskammer 30 angeordnet ist und über die Membran 50 mit dem Inneren der Flüssigkeitskammer 30 mechanisch gekoppelt ist. Wie weiter unten noch im Detail erläutert werden wird, bilden die Membran 50 sowie die Druckausgleichskammer 90 gemeinsam eine Druckstoßminderungseinrichtung 100, mit der sich Überdruckstöße und Unterdruckstöße am Ablaufanschluss 60 und/oder an der Einlassöffnung 21 des Einlassrohres 20 dämpfen lassen.The membrane 50 is covered on the outside by a cap 70, which is equipped with a ventilation valve 80. The membrane 50 and the cap 70 together define a pressure equalization chamber 90 which is disposed adjacent to the liquid chamber 30 and is mechanically coupled via the membrane 50 to the interior of the liquid chamber 30. As will be explained in more detail below, the diaphragm 50 and the pressure compensation chamber 90 together form a pressure surge reduction device 100 with which excess pressure surges and vacuum surges can be damped at the drain port 60 and / or at the inlet port 21 of the inlet tube 20.

Die Geruchsverschlusseinrichtung 10 ist darüber hinaus mit einer Nachfülleinrichtung 200 ausgestattet. Die Nachfülleinrichtung 200 weist einen Flüssigkeitssensor 210 auf, der über eine Steuerleitung 220 mit einem Absperrorgan in Form eines Zulaufventils 230 in Verbindung steht. Bei dem Zulaufventil 230 kann es sich beispielsweise um ein elektrisch schaltbares Magnetventil handeln, das über ein elektrisches Steuersignal ST ein- oder ausgeschaltet werden kann. Das Zulaufventil 230 verbindet einen außerhalb der Flüssigkeitskammer 30 befindlichen Abschnitt 21 des Einlassrohres 20 mit einer Frischwasserleitung 240.The odor trap 10 is further equipped with a refill 200. The refilling device 200 has a liquid sensor 210, which is connected via a control line 220 to a shut-off device in the form of an inlet valve 230. At the inlet valve 230 may be, for example, an electrically switchable solenoid valve, which can be switched on or off via an electrical control signal ST. The inlet valve 230 connects a section 21 of the inlet tube 20 located outside the liquid chamber 30 to a fresh water line 240.

Die Geruchsverschlusseinrichtung 10 gemäß Figur 1 ist darüber hinaus mit einem Absperrorgan in Form eines Ablaufventils 300 ausgestattet, das im geöffneten Zustand ein Ablaufen der in der Flüssigkeitskammer 30 befindlichen Flüssigkeit F ermöglicht.The odor trap 10 according to FIG. 1 is also equipped with a shut-off device in the form of a drain valve 300, which allows in the open state, a drainage of the liquid contained in the liquid chamber 30 F.

Die Geruchsverschlusseinrichtung 10 gemäß Figur 1 arbeitet wie folgt:
Kommt es in der an den Ablaufanschluss 60 angeschlossenen Ablaufleitung 61 zu Überdruckstößen DS1 oder zu Unterdruckstößen DS2, so werden diese durch die Druckminderungseinrichtung 100 gedämpft. Das Dämpfen der Überdruckstöße DS1 und der Unterdruckstöße DS2 erfolgt durch eine mechanische Auslenkung der Membran 50:
Im Falle eines Überdruckstoßes DS1 am Ablaufanschluss 60 wird die Membran 50 entlang der Pfeilrichtung P1 nach unten bzw. in Richtung der Kappe 70 ausgelenkt, wodurch das Volumen innerhalb der Flüssigkeitskammer 30 vergrößert und die Wirkung des Überdruckstoßes gemindert wird.The odor trap 10 according to FIG. 1 works as follows:
If excess pressure surges DS1 or negative pressure surges DS2 occur in the discharge line 61 connected to the discharge connection 60, they are damped by the pressure reduction device 100. The damping of the overpressure surges DS1 and the vacuum surges DS2 takes place by a mechanical deflection of the membrane 50:
In the case of a pressure surge DS1 at the drain port 60, the membrane 50 is deflected along the direction of the arrow P1 downwards or in the direction of the cap 70, whereby the volume is increased within the liquid chamber 30 and the effect of the pressure surge is reduced.

In entsprechender Weise werden Unterdruckstöße DS2 gedämpft, indem die Membran 50 ausgelenkt wird. So zeigt die Figur 1, dass die Membran 50 im Falle eines Unterdruckstoßes DS2 entlang der Pfeilrichtung P2 nach oben ausgelenkt wird, wodurch sich das Volumen innerhalb der Flüssigkeitskammer 30 verkleinert und die Wirkung des Unterdruckstoßes gemindert wird.In a corresponding manner, vacuum surges DS2 are damped by deflecting the membrane 50. That's how it shows FIG. 1 in that the diaphragm 50 is deflected upwards in the direction of the arrow P2 in the event of a vacuum shock DS2, whereby the volume within the fluid chamber 30 is reduced and the effect of the vacuum shock is reduced.

Die Auslenkbewegung der Membran 50 entlang der Pfeilrichtung P1 oder P2 wird bei der Ausgestaltung gemäß Figur 1 nicht allein durch die Membran 50 und die auf diese wirkenden Druckstöße bestimmt, sondern auch durch die Druckausgleichskammer 90 und das Be- und Entlüftungsventil 80; denn diese Komponenten bedämpfen über den Innendruck in der Druckausgleichskammer 90 ebenfalls die Membranbewegung. Durch ein Verstellen des Luftdurchsatzes durch das Be- und Entlüftungsventil 80 kann somit die Dämpfungscharakteristik gezielt eingestellt und optimiert werden.The deflection movement of the diaphragm 50 along the direction of the arrow P1 or P2 is in the embodiment according to FIG. 1 not alone determined by the diaphragm 50 and the pressure surges acting on it, but also by the pressure compensation chamber 90 and the ventilation valve 80; because these components also dampen the membrane movement via the internal pressure in the pressure compensation chamber 90. By adjusting the air flow rate through the ventilation valve 80, the damping characteristic can thus be set and optimized in a targeted manner.

Wie erfinderseitig festgestellt wurde, kann es bei Überdruckstößen DS1 und bei Unterdruckstößen DS2 trotz der Kompensationswirkung der Druckminderungseinrichtung 100 zu einer seegangähnlichen Wellenbildung an der Oberfläche der Flüssigkeit F in der Flüssigkeitskammer 30 kommen, so dass es zu einem Überschwappen der Flüssigkeit F in Richtung des Ablaufanschlusses 60 sowie zu einem ungewollten Füllstandsverlust in der Flüssigkeitskammer 30 kommen kann. Eine solche seegangähnliche Wellenbildung innerhalb der Flüssigkeitskammer 30 lässt sich - wie erfinderseitig festgestellt wurde - reduzieren, wenn die Geometrie der Flüssigkeitskammer 30 sowie des Einlassrohres 20 geeignet gewählt wird. Als besonders vorteilhaft wird es in diesem Zusammenhang angesehen, wenn die innere Querschnittsfläche, insbesondere der Innendurchmesser D der Flüssigkeitskammer 30, mindestens dreimal so groß wie die innere Querschnittsfläche, insbesondere der Innendurchmesser d, des Einlassrohres 20 ist.As has been determined by the inventor, in pressure surges DS1 and under pressure surges DS2, despite the compensating action of the pressure reducing device 100, a wave-like wave formation may occur on the surface of the liquid F in the liquid chamber 30, so that the liquid F spills over in the direction of the discharge port 60 and may lead to an unwanted level loss in the liquid chamber 30. Such a sea-wave-like wave formation within the liquid chamber 30 can - as the inventor was found to reduce - when the geometry of the liquid chamber 30 and the inlet tube 20 is suitably selected. It is considered particularly advantageous in this connection if the inner cross-sectional area, in particular the inner diameter D of the liquid chamber 30, is at least three times as large as the inner cross-sectional area, in particular the inner diameter d, of the inlet pipe 20.

Wird die Geruchsverschlusseinrichtung 10 in einem Fahrzeug, insbesondere einem Schienenfahrzeug, eingesetzt, so wird es als vorteilhaft angesehen, wenn ein Entleeren der Flüssigkeitskammer 30 im Falle einer Außerbetriebsetzung des Fahrzeugs möglich ist, um ein Einfrieren von Flüssigkeit F in der Flüssigkeitskammer 30 und eine Zerstörung der Geruchsverschlusseinrichtung 10 zu vermeiden. Ein Entleeren der Flüssigkeitskammer 30 ist bei der Geruchsverschlusseinrichtung 10 gemäß Figur 1 durch das Absperrventil 300 möglich, das im geöffneten Zustand ein Abfließen der Flüssigkeit F, vorzugsweise ein vollständiges Entleeren der Flüssigkeitskammer 30, ermöglicht.If the odor-trap device 10 is used in a vehicle, in particular a rail vehicle, it is considered advantageous if it is possible to empty the liquid chamber 30 in the event of a decommissioning of the vehicle in order to freeze liquid F in the liquid chamber 30 and destroy the liquid To avoid odor closure device 10. Emptying of the liquid chamber 30 is in the odor trap 10 according to FIG. 1 by the shut-off valve 300, which in the opened state, a drainage of the liquid F, preferably a complete emptying of the liquid chamber 30, allows.

Die Figur 2 zeigt ein Ausführungsbeispiel für eine Geruchsverschlusseinrichtung 10, die von ihrem Aufbau im Wesentlichen der Geruchsverschlusseinrichtung 10 gemäß Figur 1 entspricht. Im Unterschied zu der Geruchsverschlusseinrichtung 10 gemäß Figur 1 fehlt bei der Geruchsverschlusseinrichtung 10 gemäß Figur 2 ein Ablaufventil 300, wie es im Zusammenhang mit der Figur 1 erläutert wurde. Im Übrigen gelten die obigen Erläuterungen im Zusammenhang mit der Geruchsverschlusseinrichtung 10 gemäß Figur 1 bei der Geruchsverschlusseinrichtung 10 gemäß Figur 2 entsprechend.The FIG. 2 shows an embodiment of an odor trap 10, the structure of which substantially the odor trap 10 according to FIG. 1 equivalent. In contrast to the odor trap 10 according to FIG. 1 is missing in the odor trap 10 according to FIG. 2 a drain valve 300, as related to the FIG. 1 was explained. Incidentally, the above explanations apply in connection with the odor trap device 10 according to FIG FIG. 1 in the odor trap 10 according to FIG. 2 corresponding.

Die Figur 3 zeigt ein Ausführungsbeispiel für eine Geruchsverschlusseinrichtung 10, die von ihrem Aufbau im Wesentlichen der Geruchsverschlusseinrichtung 10 gemäß Figur 1 entspricht. Im Unterschied zu der Geruchsverschlusseinrichtung 10 gemäß Figur 1 fehlt bei der Geruchsverschlusseinrichtung 10 gemäß Figur 3 die Nachfülleinrichtung 200, wie sie im Zusammenhang mit der Figur 1 erläutert wurde. Im Übrigen gelten die obigen Erläuterungen im Zusammenhang mit der Geruchsverschlusseinrichtung 10 gemäß Figur 1 bei der Geruchsverschlusseinrichtung 10 gemäß Figur 3 entsprechend.The FIG. 3 shows an embodiment of an odor trap 10, the structure of which substantially the odor trap 10 according to FIG. 1 equivalent. In contrast to the odor trap 10 according to FIG. 1 is missing in the odor trap 10 according to FIG. 3 the refill 200, as related to the FIG. 1 was explained. Incidentally, the above explanations apply in connection with the odor trap device 10 according to FIG FIG. 1 in the odor trap 10 according to FIG. 3 corresponding.

Die Figur 4 zeigt ein Ausführungsbeispiel für eine Geruchsverschlusseinrichtung 10, bei der eine Druckminderungseinrichtung 100 ausschließlich durch einen als Membran ausgestalteten Wandabschnitt 41 der Behälterwand 40 der Flüssigkeitskammer 30 gebildet ist. Eine zusätzliche Druckausgleichskammer neben der Flüssigkeitskammer 30 fehlt bei der Geruchsverschlusseinrichtung 10.The FIG. 4 1 shows an exemplary embodiment of an odor closure device 10, in which a pressure reduction device 100 is formed exclusively by a wall section 41 of the container wall 40 of the liquid chamber 30 designed as a membrane. An additional pressure equalizing chamber adjacent to the liquid chamber 30 is absent from the odor trap 10.

Im Falle von Überdruckstößen DS1 oder Unterdruckstößen DS2 am Ablaufanschluss 60 wird sich der Wandabschnitt 41 bzw. die Membran 50 entlang der Pfeilrichtung P1 nach außen oder entlang der Pfeilrichtung P2 nach innen wölben, wodurch eine Volumenvergrößerung oder eine Volumenverkleinerung erreicht und die Wirkung der der Druckstöße amplitudenmäßig gedämpft wird. Im Übrigen gelten die obigen Ausführungen im Zusammenhang mit der Figur 1 entsprechend.In the case of overpressure surges DS1 or vacuum surges DS2 at the discharge port 60, the wall section 41 or the membrane 50 will bulge outwardly along the direction of arrow P1 or along the direction of the arrow P2, thereby increasing the volume or reducing the volume the effect of the pressure surges is attenuated in amplitude. For the rest, the above statements apply in connection with FIG. 1 corresponding.

Die Figur 5 zeigt ein Ausführungsbeispiel für ein Schienenfahrzeug 500. Man erkennt ein Abwassersystem 510, das unter anderem eine Abwassereinlaufstelle 520 und einen Abwasserauffangbehälter 530 in Form eines Grauwasserbehälters umfasst. Der Abwasserauffangbehälter 530 ist mit einem Entlüftungsrohr 531 ausgestattet.The FIG. 5 shows an embodiment of a rail vehicle 500. One recognizes a sewer system 510, which includes, inter alia, a waste water inlet 520 and a waste water collection container 530 in the form of a gray water tank. The sewage collecting tank 530 is equipped with a vent pipe 531.

Die Abwassereinlaufstelle 520 und der Abwasserauffangbehälter 530 stehen über eine Geruchsverschlusseinrichtung 10 in Verbindung, deren Einlassrohr 20 mit einer ersten Abwasserleitung 540 und deren Ablaufanschluss 60 mit einer zweiten Abwasserleitung 550 verbunden ist.The waste water inlet 520 and the wastewater collecting tank 530 communicate via an odor trap 10, the inlet pipe 20 of which is connected to a first sewer pipe 540 and whose drain port 60 is connected to a second sewer pipe 550.

Die erste Abwasserleitung 540 verbindet die Abwassereinlaufstelle 520 mit der Geruchsverschlusseinrichtung 10 und die zweite Abwasserleitung 550 verbindet die Geruchsverschlusseinrichtung 10 mit dem Abwasserauffangbehälter 530.The first sewage pipe 540 connects the sewage inlet 520 to the odor trap 10, and the second sewage pipe 550 connects the odor trap 10 to the sewage catcher 530.

Treten im Falle von Tunnelfahrten Überdruckstöße DS1 oder Unterdruckstöße DS2 auf, so werden diese über das Entlüftungsrohr 531 in den Abwasserauffangbehälter 530 und von dort zu der Geruchsverschlusseinrichtung 10 geleitet.If overpressure surges DS1 or vacuum surges DS2 occur in the case of tunnel journeys, they are led via the venting pipe 531 into the wastewater collecting vessel 530 and from there to the odor-sealing device 10.

Vorzugsweise handelt es sich bei der Geruchsverschlusseinrichtung 10 um eine solche, wie sie im Zusammenhang mit den Figuren 1 bis 4 erläutert worden ist, oder zumindest um eine Geruchsverschlusseinrichtung mit einer Druckminderungseinrichtung, die eintreffende Überdruckstöße DS1 oder Unterdruckstöße DS2 dämpft, wie oben im Zusammenhang mit den Figuren 1 bis 4 erläutert worden ist.Preferably, the odor stopper 10 is one of those described in connection with FIGS FIGS. 1 to 4 has been explained, or at least an odor trap device with a pressure reducing device which damps incoming pressure surges DS1 or vacuum surges DS2, as described above in connection with FIGS. 1 to 4 has been explained.

Obwohl die Erfindung im Detail durch bevorzugte Ausführungsbeispiele näher illustriert und beschrieben wurde, so ist die Erfindung nicht durch die offenbarten Beispiele eingeschränkt und andere Variationen können vom Fachmann hieraus abgeleitet werden, ohne den Schutzumfang der Erfindung zu verlassen.Although the invention has been illustrated and described in detail by preferred embodiments, the invention is not limited by the disclosed examples and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention.

Claims (14)

  1. Plumbing trap device (10), in particular siphon, having a liquid chamber (30), wherein liquid (F) located in the liquid chamber (30), given sufficient liquid level (FS), forms a smell trap between an inlet opening (21) and a drain connection (60) of the plumbing trap device (10),
    characterized in that
    the plumbing trap device (10) has a pressure surge reducing device (100), which damps a positive-pressure or negative-pressure surge (D1, D2) on the drain connection (60) or on the inlet opening (21) by enlarging or reducing the volume of the liquid chamber (30), wherein
    the pressure surge reducing device (100) is formed by a diaphragm (50) or comprises one such which, in the event of a positive-pressure surge (DS1), is deformed outwards, increasing the volume of the liquid chamber (30) and, in the event of a negative-pressure surge (DS2), is deformed inwards, reducing the volume of the liquid chamber (30).
  2. Plumbing trap device (10) according to Claim 1,
    characterized in that
    the diaphragm (50) forms a container wall (40) of the liquid chamber (30) or at least one wall section (41) of the container wall (40) of the liquid chamber (30).
  3. Plumbing trap device (10) according to one of the preceding Claims 1 to 2,
    characterized in that
    the diaphragm (50) is elastically deformable.
  4. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    a cap (70) is arranged over the diaphragm (50) on the outside of the liquid chamber (30) and, together with the diaphragm (50), forms a pressure compensation chamber (90) located outside the liquid chamber (30) and separated from the latter by the diaphragm (50).
  5. Plumbing trap device (10) according to Claim 4,
    characterized in that
    the pressure compensation chamber (90) has a ventilating and vent valve (80), through which, if there is a negative pressure in the liquid chamber (30), external air can flow into the pressure compensation chamber (90) and through which, if there is a positive pressure in the liquid chamber (30), air can flow away outwards out of the pressure compensation chamber (90).
  6. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    the diaphragm (50) is arranged in the region of the container bottom of the liquid chamber (30) or forms the container bottom of the liquid chamber (30).
  7. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    the diaphragm (50) is arranged under the inlet opening (21) .
  8. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    the inner cross-sectional area, in particular the internal diameter (D), of the liquid chamber (30) is at least three times as large as the inner cross-sectional area, in particular the internal diameter (d), of the inlet pipe (20) .
  9. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    - the plumbing trap device (10) comprises a refilling device (200) for the automatic refilling of liquid (F) into the liquid chamber (30),
    - wherein the refilling device (200) triggers automatic refilling of the liquid (F) into the liquid chamber (30) if the liquid level (FS) in the liquid chamber (30) falls below a predefined minimum liquid level.
  10. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    the plumbing trap device (10), in particular its refilling device (200), has a liquid sensor (210) which, when a liquid level in the liquid chamber (30) falls below a predefined minimum, generates a control signal (ST).
  11. Plumbing trap device (10) according to Claim 10,
    characterized in that
    - the plumbing trap device (10), in particular its refilling device (200), has a controllable shut-off element which, in the open state, permits a flow of liquid in the direction of the liquid chamber (30) and, in the closed state, blocks a flow of liquid in the direction of the liquid chamber (30),
    - the shut-off element is connected indirectly or directly to the liquid sensor (210), and
    - when the control signal (ST) is present, the shut-off element switches the liquid sensor (210) to its open state.
  12. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    the liquid chamber (30) has a shut-of element which is located under the drain connection (60) and which, in the open state, permits liquid (F) to flow out of the liquid chamber (30), preferably completely emptying the liquid chamber (30).
  13. Plumbing trap device (10) according to one of the preceding claims,
    characterized in that
    - the plumbing trap device (10) comprises an inlet pipe (20) for filling a liquid (F) into the liquid chamber (30),
    - a pipe opening of the inlet pipe (20) forms the inlet opening (21) of the plumbing trap device (10),
    - the inlet opening (21) is arranged under the drain connection (60), and
    - the drain connection (60) permits the liquid (F) to flow out of the liquid chamber (30) when the liquid level (FS) in the liquid chamber (30) reaches a minimum level.
  14. Vehicle, in particular rail vehicle (500),
    characterized in that
    the vehicle is equipped with a plumbing trap device (10) according to one of the preceding claims.
EP15804480.0A 2015-01-12 2015-12-03 Plumbing trap device Active EP3215409B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015200243.8A DE102015200243A1 (en) 2015-01-12 2015-01-12 Trap device
PCT/EP2015/078447 WO2016113037A1 (en) 2015-01-12 2015-12-03 Plumbing trap device

Publications (3)

Publication Number Publication Date
EP3215409A1 EP3215409A1 (en) 2017-09-13
EP3215409B1 true EP3215409B1 (en) 2018-09-26
EP3215409B8 EP3215409B8 (en) 2018-12-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15804480.0A Active EP3215409B8 (en) 2015-01-12 2015-12-03 Plumbing trap device

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EP (1) EP3215409B8 (en)
CN (1) CN208216720U (en)
DE (1) DE102015200243A1 (en)
RU (1) RU184305U1 (en)
WO (1) WO2016113037A1 (en)

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Publication number Priority date Publication date Assignee Title
DE883274C (en) * 1951-05-26 1953-07-16 Wilhelm Hirte Pot or bottle odor trap made of elastic building material
US2798227A (en) * 1952-04-25 1957-07-09 Carl F Boester Waste disposal system
US3394733A (en) * 1965-01-27 1968-07-30 Jacuzzi Bros Inc Airless water pressure system
US3628573A (en) * 1970-07-21 1971-12-21 Alpura Ag Diaphragm chamber-damping device for damping fluid shocks in pipe systems
DE8904624U1 (en) * 1989-02-22 1989-06-29 Reich GmbH Regel- und Sicherheitstechnik, 35713 Eschenburg Odour trap
RU19797U1 (en) * 2001-04-16 2001-10-10 ООО Научно-производственное предприятие "ЭКСПРЕСС" DEVICE FOR TRANSPORTING DRAIN FROM TOILET TOILET
US7191606B1 (en) * 2005-04-29 2007-03-20 Dwyer Kenneth W Drain trap alarm
DE102009013558B4 (en) * 2009-03-17 2016-02-18 Airbus Operations Gmbh Combined Bidet Toilet Construction for Aircraft
US8656524B2 (en) * 2009-09-14 2014-02-25 Dometic Corporation Toilet assembly
DE102012223242A1 (en) * 2012-12-14 2014-06-18 Siemens Aktiengesellschaft Rail vehicle with pressure shock-protected gray water pipe
DE202013008298U1 (en) * 2013-09-20 2014-12-22 Evac Gmbh Vacuum toilet with alternating squeeze valve closing

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
RU184305U1 (en) 2018-10-22
EP3215409B8 (en) 2018-12-19
DE102015200243A1 (en) 2016-07-14
EP3215409A1 (en) 2017-09-13
WO2016113037A1 (en) 2016-07-21
CN208216720U (en) 2018-12-11

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