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EP2493743B1 - Rail vehicle with filling level monitoring of a waste water tank - Google Patents

Rail vehicle with filling level monitoring of a waste water tank Download PDF

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Publication number
EP2493743B1
EP2493743B1 EP10775771.8A EP10775771A EP2493743B1 EP 2493743 B1 EP2493743 B1 EP 2493743B1 EP 10775771 A EP10775771 A EP 10775771A EP 2493743 B1 EP2493743 B1 EP 2493743B1
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EP
European Patent Office
Prior art keywords
rail vehicle
fill level
tank
water tank
wastewater tank
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
EP10775771.8A
Other languages
German (de)
French (fr)
Other versions
EP2493743A1 (en
Inventor
Torge Kamphausen
Ralph GÄRTNER
Walter Lindermuth
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Siemens AG
Original Assignee
Siemens AG
Siemens Corp
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Publication of EP2493743A1 publication Critical patent/EP2493743A1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/6855—Vehicle
    • Y10T137/6866—Railway car
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7297—With second diverse control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7313—Control of outflow from tank
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86187—Plural tanks or compartments connected for serial flow
    • Y10T137/86196—Separable with valved-connecting passage

Definitions

  • the invention relates to a rail vehicle with a sanitary system, which has a waste water tank and a fresh water tank, which are each equipped with associated level sensors.
  • the inflow is regulated to the gray water tank via a control valve.
  • the control valve allows the inflow of drinking water or the interruption of another drinking water supply.
  • WO 97/46435 A1 a method for the controlled partial emptying of a waste water tank is disclosed. In this case, the fresh water supply to all water consumers is automatically locked upon reaching a maximum allowable capacity of the wastewater tank.
  • the general task is to keep the vehicle weight or vehicle mass as low as possible.
  • An underlying vehicle mass determines namely the design of fuel supplies, which should also be kept as low as possible.
  • the fresh water tank and the waste water tank are currently filled to 100% in the Calculation of the vehicle mass included, resulting in increased fuel stocks.
  • a control device for control-technical link between the levels in the fresh water tank and waste water tank is provided, which associated with the level in the wastewater tank with the help Sensors monitored and, depending on a detected level in the wastewater tank, controls the level in the fresh water tank.
  • the monitoring of the level of the waste water tank can be done in various ways, for example, continuously, cyclically or to reach a predetermined limit value for the level in the wastewater tank. Regardless of the type of monitoring of the filling level in the waste water tank, the control device locks upon reaching a predetermined level in the waste water tank filling lines of the fresh water tank. This ensures that the fresh water tank is not brought by filling to such a level that the water contained in the fresh water tank amount of water from the wastewater tank is no longer available. Of particular importance is the case to be avoided, for example, that the waste water tank is already filled to 95% and still the fresh water tank is completely filled in a new filling.
  • a locking of the filling of the fresh water tank can be done in various ways: The filling is done with the help of a filling stop socket or in the course of the filling lines solenoid valves are provided with which the filling lines can be locked. A combination of these two approaches is possible. In both cases, the control device processes the signals of the active components, namely the filling stop socket or solenoid valves, so that the desired locking of the filling lines is achieved.
  • control device empties the fresh water tank, depending on a level of the wastewater tank, via an outlet or overflow line.
  • This embodiment goes beyond the above explained in that not only further filling of the fresh water tank is avoided, but the level of the fresh water tank is matched to that of the waste water tank. This vote is advantageously carried out in the way that the control device empties the fresh water tank to such a level that the remaining fresh water from the sewage tank is receivable.
  • a level of the waste water tank can be generally signaled. It can be provided that the level sensor of the wastewater tank is connected to a display device on a rail vehicle outside, wherein the display device is then used as an output device for current status messages of the level sensor. Alternatively or additionally, the fill level sensor may also be in communication with a diagnostic device of the rail vehicle, to which the current status messages are signaled. In the first-mentioned alternative, it is possible, if necessary, to react manually to the displayed status message, while in the second case the diagnostic device can automatically derive measures from the signaled status message about the filling level of the wastewater container.
  • a display device 5 attached to the vehicle exterior and to a vehicle diagnostic device 6.
  • the display device 5 may also be configured as a simple indicator that indicates only the exceeding of a limit value for the level in the waste water tank 1.
  • the level in the waste water tank 1 is monitored continuously, cyclically or to reach a limit, with the help of the level sensor 3 in combination with the control device. 4
  • the fresh water tank 2 is provided with two filling lines 7, at the respective end of a nozzle with a filling stop socket 8 is used.
  • the filling stop sockets 8 are controlled by the control device 4, if necessary, so that further filling of the fresh water tank is effectively prevented, ie the level of the fresh water tank 2 can not increase.
  • the control device 4 triggers the closing of the filling lines 7 then, if in the sewage tank 1, a predetermined level is reached.
  • the embodiment according to FIG. 2 differs from the one after FIG. 1 in that 7 solenoid valves 9 are provided in the respective course of the filling lines instead of the filling stop sockets 8, which in turn are controlled by the control device 4 in case of need so that a further filling of the fresh water tank 2 is prevented.
  • an additional bypass line 12 is provided, which has a further solenoid valve 13 and extends from an interior of the fresh water tank 2 to a point of the frost discharge line beyond the solenoid valve 11.
  • the control device 4 is in communication with the further solenoid valve 12, which is driven in the same way as in Fig. 3 used solenoid valve 11 and serves the same purpose.
  • the proposed bypass line makes it possible to make a permanent emptying of the fresh water tank 2 on reaching the predetermined solenoid valve 12 in the waste water tank 1.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Mechanical Engineering (AREA)
  • Level Indicators Using A Float (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Control Of Non-Electrical Variables (AREA)

Description

Die Erfindung bezieht sich auf ein Schienenfahrzeug mit einem Sanitärsystem, das einen Abwasserbehälter und einen Frischwasserbehälter aufweist, die jeweils mit zugeordneten Füllstandssensoren ausgestattet sind.The invention relates to a rail vehicle with a sanitary system, which has a waste water tank and a fresh water tank, which are each equipped with associated level sensors.

Im Stand der Technik ist es bekannt, die Füllstände des Abwasserbehälters und des Frischwasserbehälters eines Sanitärsystems zu überwachen, um es bei Bedarf außer Betrieb nehmen zu können. Eine Außerbetriebnahme erfolgt insbesondere dann, wenn beim Abwasserbehälter ein Füllstand von 95% erreicht ist oder für den Frischwasserbehälter eine Leermeldung erfolgt.In the prior art, it is known to monitor the levels of the wastewater tank and the fresh water tank of a sanitary system in order to take it out of service if necessary. A decommissioning takes place in particular when the wastewater tank a level of 95% is reached or for the fresh water tank is an empty message.

Zudem ist es aus der DE 25 43 250 bekannt, beispielsweise bei Schienenfahrzeugen einen Grauwassertank (gebrauchtes Wasser) und einen Frischwassertank vorzusehen, wobei der Zufluss zu dem Grauwassertank über ein Steuerventil geregelt ist. Das Steuerventil gestattet das Einströmen von Trinkwasser oder die Unterbrechung einer weiteren Trinkwasserzufuhr. In der WO 97/46435 A1 ist ein Verfahren zur kontrollierten Teilentleerung eines Abwasserbehälters offenbart. Dabei wird bei Erreichen einer maximal zulässigen Füllmenge des Abwasserbehälters die Frischwasserzufuhr zu allen Wasserverbrauchern automatisch gesperrt.Moreover, it is from the DE 25 43 250 known, for example, to provide a gray water tank (used water) and a fresh water tank in rail vehicles, the inflow is regulated to the gray water tank via a control valve. The control valve allows the inflow of drinking water or the interruption of another drinking water supply. In the WO 97/46435 A1 a method for the controlled partial emptying of a waste water tank is disclosed. In this case, the fresh water supply to all water consumers is automatically locked upon reaching a maximum allowable capacity of the wastewater tank.

Bei Schienenfahrzeugen besteht die allgemeine Aufgabe, das Fahrzeuggewicht bzw. die Fahrzeugmasse möglichst gering zu halten. Eine zugrunde gelegte Fahrzeugmasse bestimmt nämlich die Bemessung von Betriebsstoffvorräten, die ebenfalls möglichst gering gehalten werden sollen. Für die Berechnung der Betriebsstoffvorräte werden derzeit der Frischwasserbehälter sowie der Abwasserbehälter jeweils als zu 100% gefüllt in die Berechnung der Fahrzeugmasse einbezogen, was damit zu erhöhten Betriebsstoffvorräten führt.For rail vehicles, the general task is to keep the vehicle weight or vehicle mass as low as possible. An underlying vehicle mass determines namely the design of fuel supplies, which should also be kept as low as possible. For the calculation of the fuel stocks, the fresh water tank and the waste water tank are currently filled to 100% in the Calculation of the vehicle mass included, resulting in increased fuel stocks.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, bei einem Schienenfahrzeug das Sanitärsystem derart weiterzuentwickeln, dass für die Einheit aus Frischwasserbehälter und Abwasserbehälter eine geringere Fahrzeugmasse für die Berechnung der Betriebsstoffvorräte ansetzbar wird.Proceeding from this, the present invention seeks to further develop the sanitary system in a rail vehicle such that for the unit of fresh water tank and waste water tank a lower vehicle mass for the calculation of the fuel stocks is attachable.

Diese Aufgabe wird dadurch gelöst, dass eine Steuervorrichtung zur steuerungstechnischen Verknüpfung zwischen den Füllständen im Frischwasserbehälter und Abwasserbehälter vorgesehen ist, die den Füllstand im Abwasserbehälter mit Hilfe zugehöriger Sensoren überwacht und, abhängig von einem erfassten Füllstand im Abwasserbehälter, den Füllstand im Frischwasserbehälter steuert.This object is achieved in that a control device for control-technical link between the levels in the fresh water tank and waste water tank is provided, which associated with the level in the wastewater tank with the help Sensors monitored and, depending on a detected level in the wastewater tank, controls the level in the fresh water tank.

Die vorgesehene Verknüpfung zwischen den Füllständen im Frischwasserbehälter einerseits und Abwasserbehälter andererseits gestattet es, die Gesamtfüllmenge in den Wasserbehältern des Sanitärsystems so zu steuern, dass beispielsweise ein vorgegebener Maximalwert für die Gesamtbefüllung des Frischwasser- und Abwasserbehälters nicht überschritten wird. Damit wird es ermöglicht, diesen Maximalwert in die Berechnung der Fahrzeugmasse eingehen zu lassen.The proposed link between the levels in the fresh water tank on the one hand and waste water tanks on the other hand allows to control the total amount in the water tanks of the sanitary system so that, for example, a predetermined maximum value for the total filling of the fresh water and waste water tank is not exceeded. This makes it possible to include this maximum value in the calculation of the vehicle mass.

Die Überwachung des Füllstands des Abwasserbehälters kann in verschiedener Weise erfolgen, beispielsweise kontinuierlich, zyklisch oder auf Erreichen eines vorbestimmten Grenzwertes für den Füllstand im Abwasserbehälter. Unabhängig von der Art der Überwachung des Füllstands im Abwasserbehälter verriegelt die Steuereinrichtung bei Erreichen eines vorbestimmten Füllstandes im Abwasserbehälter Befüllleitungen des Frischwasserbehälters. Dadurch ist sichergestellt, dass der Frischwasserbehälter nicht durch Befüllen auf einen solchen Füllstand gebracht wird, dass die in dem Frischwasserbehälter befindliche Wassermenge von dem Abwasserbehälter nicht mehr aufnehmbar ist. Besonders wichtig ist dabei der zu vermeidende Fall, dass beispielsweise der Abwasserbehälter bereits zu 95% gefüllt ist und trotzdem der Frischwasserbehälter in einem neuen Befüllvorgang vollständig gefüllt wird.The monitoring of the level of the waste water tank can be done in various ways, for example, continuously, cyclically or to reach a predetermined limit value for the level in the wastewater tank. Regardless of the type of monitoring of the filling level in the waste water tank, the control device locks upon reaching a predetermined level in the waste water tank filling lines of the fresh water tank. This ensures that the fresh water tank is not brought by filling to such a level that the water contained in the fresh water tank amount of water from the wastewater tank is no longer available. Of particular importance is the case to be avoided, for example, that the waste water tank is already filled to 95% and still the fresh water tank is completely filled in a new filling.

Eine Verriegelung der Befüllleitungen des Frischwassertanks kann in verschiedener Weise erfolgen: Die Befüllung erfolgt mit Hilfe einer Befüllstopp-Steckdose ausgestattet sein oder im Verlauf der Befüllleitungen sind Magnetventile vorgesehen, mit denen die Befüllleitungen gesperrt werden können. Auch eine Kombination dieser beiden Vorgehensweisen ist möglich. In beiden Fällen verarbeitet die Steuervorrichtung die Signale der aktiven Komponenten, nämlich die Befüllstopp-Steckdose oder Magnetventile, so dass die erwünschte Verriegelung der Befüllleitungen erreicht wird.A locking of the filling of the fresh water tank can be done in various ways: The filling is done with the help of a filling stop socket or in the course of the filling lines solenoid valves are provided with which the filling lines can be locked. A combination of these two approaches is possible. In both cases, the control device processes the signals of the active components, namely the filling stop socket or solenoid valves, so that the desired locking of the filling lines is achieved.

In einer weiteren Ausführungsform der Erfindung kann auch vorgesehen sein, dass die Steuereinrichtung den Frischwasserbehälter, abhängig von einem Füllstand des Abwasserbehälters, über eine Auslass- oder Überlaufleitung entleert. Diese Ausführungsform geht über die vorstehend erläuterte insofern hinaus, dass nicht nur ein weiteres Befüllen des Frischwasserbehälters vermieden wird, sondern der Füllstand des Frischwasserbehälters auf denjenigen des Abwasserbehälters abgestimmt wird. Diese Abstimmung erfolgt vorteilhafter Weise in der Art, dass die Steuereinrichtung den Frischwasserbehälter bis zu einem solchen Füllstand entleert, dass das verbleibende Frischwasser von dem Abwasserbehälter aufnehmbar ist.In a further embodiment of the invention can also be provided that the control device empties the fresh water tank, depending on a level of the wastewater tank, via an outlet or overflow line. This embodiment goes beyond the above explained in that not only further filling of the fresh water tank is avoided, but the level of the fresh water tank is matched to that of the waste water tank. This vote is advantageously carried out in the way that the control device empties the fresh water tank to such a level that the remaining fresh water from the sewage tank is receivable.

In weiteren Ausführungsformen kann ein Füllstand des Abwasserbehälters allgemein signalisiert werden. Dabei kann vorgesehen sein, dass der Füllstandssensor des Abwasserbehälters mit einer Anzeigevorrichtung an einer Schienenfahrzeugaußenseite in Verbindung steht, wobei die Anzeigevorrichtung dann als Ausgabeeinrichtung für aktuelle Zustandsmeldungen des Füllstandssensors eingesetzt ist. Alternativ oder zusätzlich kann der Füllstandssensor auch mit einer Diagnosevorrichtung des Schienenfahrzeugs in Verbindung stehen, welcher die aktuellen Zustandsmeldungen signalisiert werden. Bei der erstgenannten Alternative kann bei Bedarf manuell auf die angezeigte Zustandsmeldung reagiert werden, während in dem zweiten Fall die Diagnosevorrichtung automatisch Maßnahmen aus der signalisierten Zustandsmeldung über den Füllstand des Abwasserbehälters ableiten kann.In further embodiments, a level of the waste water tank can be generally signaled. It can be provided that the level sensor of the wastewater tank is connected to a display device on a rail vehicle outside, wherein the display device is then used as an output device for current status messages of the level sensor. Alternatively or additionally, the fill level sensor may also be in communication with a diagnostic device of the rail vehicle, to which the current status messages are signaled. In the first-mentioned alternative, it is possible, if necessary, to react manually to the displayed status message, while in the second case the diagnostic device can automatically derive measures from the signaled status message about the filling level of the wastewater container.

Ausführungsbeispiele der Erfindung werden nachstehend unter Bezugnahme auf die Zeichnungen noch näher erläutert. Es zeigen:

Figur 1
eine Blockdiagrammdarstellung eines Sanitärsystems eines Schienenfahrzeugs in einer ersten Ausführungsform,
Figur 2
eine Blockdiagrammdarstellung eines Sanitärsystems eines Schienenfahrzeugs in einer zweiten Ausführungsform,
Figur 3
eine Blockdiagrammdarstellung eines Sanitärsystems eines Schienenfahrzeugs in einer dritten Ausführungsform und
Figur 4
eine Blockdiagrammdarstellung eines Sanitärsystems eines Schienenfahrzeugs in einer vierten Ausführungsform.
Embodiments of the invention will be explained in more detail below with reference to the drawings. Show it:
FIG. 1
1 is a block diagram representation of a sanitary system of a rail vehicle in a first embodiment,
FIG. 2
5 is a block diagram representation of a sanitary system of a rail vehicle in a second embodiment,
FIG. 3
a block diagram representation of a sanitary system of a rail vehicle in a third embodiment and
FIG. 4
a block diagram representation of a sanitary system of a rail vehicle in a fourth embodiment.

Die Darstellung von Figur 1 zeigt wesentliche Komponenten eines Sanitärsystems eines Schienenfahrzeugs, insbesondere einen Abwasserbehälter 1 und einen Frischwasserbehälter 2. Der Abwasserbehälter 1 ist mit einem Füllstandssensor ausgestattet. Der Füllstandssensor 3 des Abwasserbehälters 1 steht in einer Signalisierungsverbindung mit einer Steuervorrichtung 4, die abhängig von einem aktuell erfassten Messwert für den Füllstand des Abwasserbehälters 1, einen Füllstand des Frischwasserbehälters 2 steuert.The representation of FIG. 1 shows essential components of a sanitary system of a rail vehicle, in particular a waste water tank 1 and a fresh water tank 2. The waste water tank 1 is equipped with a level sensor. The level sensor 3 of the waste water tank 1 is in a signaling connection with a control device 4, which controls a level of the fresh water tank 2 depending on a currently measured value for the level of the waste water tank 1.

Darüber hinaus werden aktuelle Messwerte vor dem Füllstandssensor 3 des Abwasserbehälters 1 auch einer an der Fahrzeugaußenseite angebrachten Anzeigeeinrichtung 5 und einer Fahrzeugdiagnoseeinrichtung 6 zugeleitet. Dabei kann die Anzeigevorrichtung 5 auch als einfacher Leuchtmelder ausgestaltet sein, der lediglich das Überschreiten eines Grenzwertes für den Füllstand im Abwasserbehälter 1 anzeigt.In addition, current measured values in front of the level sensor 3 of the wastewater container 1 are also forwarded to a display device 5 attached to the vehicle exterior and to a vehicle diagnostic device 6. In this case, the display device 5 may also be configured as a simple indicator that indicates only the exceeding of a limit value for the level in the waste water tank 1.

Der Füllstand im Abwasserbehälter 1 wird kontinuierlich, zyklisch oder auf Erreichen eines Grenzwertes überwacht, und zwar mit Hilfe des Füllstandssensors 3 in Kombination mit der Steuervorrichtung 4.The level in the waste water tank 1 is monitored continuously, cyclically or to reach a limit, with the help of the level sensor 3 in combination with the control device. 4

In Figur 1 ist der Frischwasserbehälter 2 mit zwei Befüllleitungen 7 versehen, an deren jeweiligem Ende ein Stutzen mit einer Befüllstopp-Steckdose 8 zum Einsatz kommt. Die Befüllstoppsteckdosen 8 werden von der Steuervorrichtung 4 im Bedarfsfall angesteuert, so dass eine weitere Befüllung des Frischwasserbehälters wirksam unterbunden wird, d.h. der Füllstand des Frischwasserbehälters 2 nicht weiter zunehmen kann. Die Steuereinrichtung 4 löst das Verschließen der Befüllleitungen 7 dann aus, wenn im Abwasserbehälter 1 ein vorgegebener Füllstand erreicht wird.In FIG. 1 the fresh water tank 2 is provided with two filling lines 7, at the respective end of a nozzle with a filling stop socket 8 is used. The filling stop sockets 8 are controlled by the control device 4, if necessary, so that further filling of the fresh water tank is effectively prevented, ie the level of the fresh water tank 2 can not increase. The control device 4 triggers the closing of the filling lines 7 then, if in the sewage tank 1, a predetermined level is reached.

Die Ausführungsform nach Figur 2 unterscheidet sich von derjenigen nach Figur 1 dadurch, dass statt der Befüllstoppsteckdosen 8 im jeweiligen Verlauf der Befüllleitungen 7 Magnetventile 9 vorgesehen sind, die wiederum von der Steuervorrichtung 4 im Bedarfsfall so angesteuert werden, dass eine weitere Befüllung des Frischwasserbehälters 2 unterbunden wird.The embodiment according to FIG. 2 differs from the one after FIG. 1 in that 7 solenoid valves 9 are provided in the respective course of the filling lines instead of the filling stop sockets 8, which in turn are controlled by the control device 4 in case of need so that a further filling of the fresh water tank 2 is prevented.

Die beiden anhand der Figuren 1 und 2 vorgestellten Ausführungsformen des Sanitärsystems für ein Schienenfahrzeug bewirken, dass die weitere Befüllung 7 des Frischwasserbehälters 2 verriegelt wird. Die nachstehend anhand der Figuren 3 und 4 erläuterten Ausführungsformen gehen über die einfache Verriegelung des aktuellen Füllstands im Frischwasserbehälter 1 hinaus. Bei den dort beschriebenen Ausführungsformen wird aktiv auf den Füllstand im Frischwasserbehälter 2 eingewirkt. Dies bedeutet, dass bei Erreichen eines vorbestimmten Füllstands im Abwasserbehälter 1, signalisiert von dem Füllstandssensor 3, die Steuereinrichtung 4 eine dosierte Entleerung des Frischwasserbehälters 2 veranlasst.The two on the basis of Figures 1 and 2 brought about embodiments of the sanitary system for a rail vehicle cause the further filling 7 of the fresh water tank 2 is locked. The below based on the FIGS. 3 and 4 explained embodiments go beyond the simple locking of the current level in the fresh water tank 1 addition. In the embodiments described there is actively acted on the level in the fresh water tank 2. This means that upon reaching a predetermined level in the waste water tank 1, signaled by the level sensor 3, the control device 4 causes a metered emptying of the fresh water tank 2.

Dies kann gemäß einer Ausführungsform nach Figur 3 in der Weise geschehen, dass eine vorgesehene Frostentleerungsleitung 10 zum dosierten Entleeren des Frischwasserbehälters 2 genutzt wird. Bei der Ausführungsform nach Figur 3 steuert die Steuerungsvorrichtung 4 ein Magnetventil 11 in der Weise an, dass mit zunehmendem Füllstand im Abwasserbehälter 1 der Füllstand im Frischwasserbehälter 2 abgesenkt wird. Dabei wird insgesamt das Steuerungsziel verfolgt, dass der Frischwasserbehälter bis zu einem solchen Füllstand entleert wird, dass das verbleibende Frischwasser von dem Abwasserbehälter 1 aufnehmbar ist. Dies leistet die Steuervorrichtung 4 durch geeignete Ansteuerung des Magnetventils 11.This can according to an embodiment of FIG. 3 done in such a way that a designated frost discharge line 10 is used for metered emptying of the fresh water tank 2. In the embodiment according to FIG. 3 the control device 4 controls a solenoid valve 11 in the manner to that with increasing level in the waste water tank 1, the level in the fresh water tank 2 is lowered. In this case, the overall control objective is pursued that the fresh water tank is emptied to such a level that the remaining fresh water from the sewage tank 1 is receivable. This is done by the control device 4 by suitable activation of the solenoid valve 11.

Bei der Ausführungsform nach Figur 4 ist eine zusätzliche Bypass-Leitung 12 vorgesehen, die ein weiteres Magnetventil 13 aufweist und von einem Innenraum des Frischwasserbehälters 2 zu einem Punkt der Frostentleerungsleitung jenseits des Magnetventils 11 reicht. Die Steuervorrichtung 4 steht in Verbindung mit dem weiteren Magnetventil 12, das in derselben Weise angesteuert wird, wie das in Fig. 3 verwendete Magnetventil 11 und denselben Zweck erfüllt.In the embodiment according to FIG. 4 an additional bypass line 12 is provided, which has a further solenoid valve 13 and extends from an interior of the fresh water tank 2 to a point of the frost discharge line beyond the solenoid valve 11. The control device 4 is in communication with the further solenoid valve 12, which is driven in the same way as in Fig. 3 used solenoid valve 11 and serves the same purpose.

Die vorgesehene Bypass-Leitung gestattet es, über das vorgesehene Magnetventil 12 eine permanente Entleerung des Frischwasserbehälters 2 bei Erreichen eines vorbestimmten Füllstands im Abwasserbehälter 1 vorzunehmen.The proposed bypass line makes it possible to make a permanent emptying of the fresh water tank 2 on reaching the predetermined solenoid valve 12 in the waste water tank 1.

Claims (10)

  1. Rail vehicle having a sanitary system, which comprises a wastewater tank (1) and a freshwater tank (2), which are each equipped with assigned fill level sensors,
    characterized in that a control device (4) is provided for the control linkage between the fill levels in the freshwater tank (2) and the wastewater tank (1), the control device monitoring the fill level in the wastewater tank (1) with the aid of associated sensors (3) and, as a function of a detected fill level in the wastewater tank (1), controlling the fill level in the freshwater tank (2), wherein the control device (4) locks filling lines (7) of the freshwater tank (2) upon reaching a predetermined fill level in the wastewater tank (1).
  2. Rail vehicle according to Claim 1,
    characterized in that the control device (4) continuously monitors the fill level of the wastewater tank (1).
  3. Rail vehicle according to Claim 1,
    characterized in that the control device (4) cyclically monitors the fill level in the wastewater tank (1).
  4. Rail vehicle according to Claim 1,
    characterized in that the control device (4) monitors the fill level in the wastewater tank (1) upon reaching a predetermined limiting value.
  5. Rail vehicle according to Claim 1,
    characterized in that the locking of the filling lines (7) is performed by activating a filling stop socket (8) in each case.
  6. Rail vehicle according to Claim 1,
    characterized in that the locking of the filling lines (7) is performed by activating solenoid valves (9) in the filling lines (7).
  7. Rail vehicle according to one of Claims 1 to 6,
    characterized in that the control device (4) empties the freshwater tank (2), as a function of a fill level of the wastewater tank (1), via an outlet line (10).
  8. Rail vehicle according to Claim 7,
    characterized in that the control device (4) empties the freshwater tank (2) to such a fill level that the remaining freshwater can be accommodated by the wastewater tank (1).
  9. Rail vehicle according to one of Claims 1 to 8,
    characterized in that the fill level sensor (3) of the wastewater tank (1) is connected to a display device (5) on a rail vehicle outer side and the display device (5) outputs current status messages about the fill level of the wastewater tank (1).
  10. Rail vehicle according to one of Claims 1 to 9,
    characterized in that the fill level sensor (3) of the wastewater tank (1) is connected to a diagnostic device (6) of the rail vehicle and signals current status messages about the fill level of the wastewater tank (1) thereto.
EP10775771.8A 2009-10-30 2010-10-27 Rail vehicle with filling level monitoring of a waste water tank Active EP2493743B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910051351 DE102009051351B4 (en) 2009-10-30 2009-10-30 Rail vehicle with fill level monitoring of a wastewater tank
PCT/EP2010/066268 WO2011051345A1 (en) 2009-10-30 2010-10-27 Rail vehicle with filling level monitoring of a waste water tank

Publications (2)

Publication Number Publication Date
EP2493743A1 EP2493743A1 (en) 2012-09-05
EP2493743B1 true EP2493743B1 (en) 2015-12-02

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US (1) US8931510B2 (en)
EP (1) EP2493743B1 (en)
CN (1) CN102596678B (en)
BR (1) BR112012010189A2 (en)
DE (1) DE102009051351B4 (en)
DK (1) DK2493743T3 (en)
ES (1) ES2560288T3 (en)
RU (1) RU2501689C1 (en)
WO (1) WO2011051345A1 (en)

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Also Published As

Publication number Publication date
BR112012010189A2 (en) 2016-04-19
DE102009051351B4 (en) 2014-07-10
CN102596678B (en) 2015-02-04
RU2501689C1 (en) 2013-12-20
DK2493743T3 (en) 2016-02-29
EP2493743A1 (en) 2012-09-05
US20120222758A1 (en) 2012-09-06
ES2560288T3 (en) 2016-02-18
CN102596678A (en) 2012-07-18
US8931510B2 (en) 2015-01-13
WO2011051345A1 (en) 2011-05-05
DE102009051351A1 (en) 2011-05-05

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