EP3678916A1 - Dispositif d'arrêt du remplissage de réservoirs d'eau de wagons de voyageurs - Google Patents

Dispositif d'arrêt du remplissage de réservoirs d'eau de wagons de voyageurs

Info

Publication number
EP3678916A1
EP3678916A1 EP18766226.7A EP18766226A EP3678916A1 EP 3678916 A1 EP3678916 A1 EP 3678916A1 EP 18766226 A EP18766226 A EP 18766226A EP 3678916 A1 EP3678916 A1 EP 3678916A1
Authority
EP
European Patent Office
Prior art keywords
signal
noise
filling
control unit
microphone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18766226.7A
Other languages
German (de)
English (en)
Other versions
EP3678916B1 (fr
Inventor
Heinz Wilken
Paul Flerlage
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.)
Vogelsang GmbH and Co KG
Original Assignee
Vogelsang GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vogelsang GmbH and Co KG filed Critical Vogelsang GmbH and Co KG
Publication of EP3678916A1 publication Critical patent/EP3678916A1/fr
Application granted granted Critical
Publication of EP3678916B1 publication Critical patent/EP3678916B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D35/00—Sanitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/02—Bunkers; Tanks; Tenders; Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K11/00—Serving peculiar to locomotives, e.g. filling with, or emptying of, water, sand, or the like at the depots

Definitions

  • the invention relates to a filling device for filling liquid tanks in rail vehicles, comprising a connecting piece, which is designed for fluid-conducting connection with a filling opening of the liquid tank, a shut-off valve, which between an open position, in which it releases the liquid flow from the connecting piece and a closed position, in it locks the fluid flow out of the connecting piece, can be switched back and forth.
  • liquid tanks are equipped with a fill indicator or have a fill stop signal when the maximum fill level is reached.
  • this is not a widely used equipment of such liquid tanks, and often the liquid tank is merely provided with an overflow which discharges an excess of supplied water to the outside thereby preventing an uncontrolled overflow of the liquid tank or damage.
  • Such overflow liquid equipped keitstanks are often filled with a predetermined capacity, which corresponds to the expected consumption of the liquid tank until the next scheduled filling. Although this procedure of volume-controlled filling is sufficient in some applications, it can not achieve complete filling of the liquid tank while reliably preventing overflow.
  • This technology is an emptying process, which, in contrast to a filling process, is not time-critical in comparison with a suction operation that may be too long, as this will prevent any liquid from entering the environment.
  • there is no monitoring of a liquid transport but a transport of solids within a pipe, so that it is not suitable for a liquid filling process.
  • a complete filling of a liquid tank with reliable completion of the filling process to avoid liquid loss is made possible by the overflow in a simple and reliable manner.
  • This is achieved by providing a microphone with an electronic control unit which, as a function of a predetermined noise behavior, terminates the filling process by activating and closing a corresponding shut-off valve.
  • any type of acoustic sensor unit is understood to be a microphone.
  • this acoustical monitoring of the filling process has proven to be more suitable than other conceivable solutions, such as monitoring the filling pressure, which increases with increasing level and possibly produces a pressure peak at the moment of overflow or other sensor-scanning systems since the pressure-measuring systems can not reliably trigger a filling process and scanning systems require additional installation measures on the rail vehicle.
  • the acoustic monitoring allows a reliable completion of the filling process regardless of the arrangement and design of the liquid tank, since in the filling occurring noise according to the recognition of the inventors reliably recurrent noise patterns can be detected, which give a clear indication that the liquid tank is completely filled or indicates that the liquid tank is overflowing.
  • This immediate signal detection which is possible by the acoustic monitoring, therefore also makes it possible to make the completion of the filling of a noise that is generated by the overflow of the liquid tank, so for example, a rippling from the overflow pipe, since the automated monitoring system a generated immediate reaction and therefore the filling process already ended with minimal loss of water by the overflow.
  • a predetermined noise a noise behavior generated by the last phase of the filling operation just before overflowing the liquid tank and being characteristic, or a predetermined noise generated by the overflow of the liquid tank can or may be used other, characteristic predetermined noise generating conditions are used as a triggering criterion for the completion of the filling process.
  • a predetermined noise in addition to these directly related to the filling noise and a noise can be used, which is not directly related to the filling.
  • a voice command issued by the user can be used to stop the filling process, for example a called "stop".
  • an immediate reaction can be initiated by closure of the shut-off valve by the electronic control unit or, alternatively, closure of the shut-off valve staggered by a certain period of time can be triggered.
  • the provided for the circuit of the shut-off valve actuator is preferably electrically operated, but may also be carried out with a pneumatic or hydraulic actuation.
  • the shut-off valve can be arranged in the region of the connecting piece itself, but can equally well be arranged at a distance from the connecting piece, for example in a filling station, from which a filling hose extends, at the end of which the connecting piece is formed.
  • the microphone is attached to the connection piece, that is to say in particular to the filling connection piece.
  • the arrangement of the microphone on the connection piece and in particular on the filling nozzle on the one hand a compact design is achieved, can be avoided with the damage to the functionally relevant components, on the other hand, the microphone is placed in a place that is suitable for the determination of a sound suitable for completing the filling has proved to be particularly suitable.
  • both the filling noise can be used by the flowing through the connecting piece of water for evaluation, as well as noise that in the liquid tank by the water entering there or exiting therefrom Air are generated and also noise generated by overflow of the liquid tank.
  • this arrangement of the microphone for voice commands The operator is suitable because the operator is typically in the area around the connection piece or the filling nozzle.
  • the microphone may be attached to a housing that can receive the fill line in a non-operational position. In this case, installation protected against mechanical impact is possible and the microphone can be mounted away from a hazardous area.
  • the predetermined noise is a noise generated by overflowing the liquid tank, or is a sound generated by an electronic voice recognition unit, which is preferably included by the control unit, as a predetermined voice command is recognized. Due to the design of liquid tanks installed in railway vehicles and due to the typically filling of these liquid tanks with overflow signaling clear ripples that occurs when the excess water from the overflow pipe strikes the track bed, the detection of the noise, the is generated by the overflow of the liquid tank, as particularly reliable and suitable to terminate the filling process with minimal loss of liquid and thereby achieve a complete filling of the liquid tank. By alternative or additional shutdown of the water supply after detecting a voice command, the operator of the system can intervene in the filling process, for example, if the filling can be stopped prematurely, to effect this even if he is not directly on the system.
  • control unit comprises an electronic memory unit and is designed to compare a signal received from the microphone with a signal pattern stored in the electronic memory unit and to actuate the actuator for switching the shut-off valve to the closed position, if at least a predetermined signal feature of the noise signal coincides with a corresponding signal feature of the noise signal pattern.
  • This signal pattern may describe certain characteristics of sounds or a single characteristic of a sound, such as a volume, a pitch, a tone color, or may describe characteristic changes of such a feature.
  • a certain increase in pitch audio frequency
  • a certain increase in volume or a certain change in tone color to determine from this the decisive for the completion of the filling process state, ie in particular the complete filling of the liquid tank or the overflow of the liquid tank.
  • a signal feature may be predetermined and stored in the control unit as a standardized factory setting, but the control unit may also be designed to generate such a signal feature in a calibration mode, for example by deliberately generating the signal feature after installation of the inventive filling device.
  • the liquid tank can be overflowed and a noise detected by the microphone can be evaluated and a signal feature derived therefrom can then be stored as a predetermined signal feature and used for subsequent comparison processes.
  • the filling device according to the invention can be adapted to different ambient conditions, for example different configurations of the track bed, so that a fast and reliable termination of the filling process always occurs when a first and a small overflow volume occurs.
  • control unit comprises an electronic memory unit and is designed to compare a noise signal generated by the microphone with a noise signal pattern stored in the electronic memory unit and to actuate the actuator for switching the shut-off valve to the closed position, if one Change of at least one predetermined signal characteristic of the noise signal coincides with a predetermined change pattern of the signal feature of the noise signal pattern.
  • a signal characteristic as an absolute value, which describes the noise with respect to one or more characteristics, is not used, but instead a predetermined change of a signal characteristic is used as a criterion.
  • This change used can be understood and calculated as a derivative of the signal feature with respect to time and is particularly well suited to using, for example, a sudden increase of a certain signal feature as a criterion, without the absolute value of the signal feature being important here.
  • the control unit may be designed to have as the at least one signal feature a signal feature characterizing a pitch, a signal feature characterizing a volume, a signal feature characterizing a timbre, or a combination of to process two of these signal characteristics or all three signal characteristics for comparison.
  • a noise as produced by a filling process, an escape process of air from the liquid tank or an overflow of the liquid tank, can be characterized in a particularly reliable manner and assigned to a specific state by an electronic evaluation and a comparison, to control the completion of the filling process from this.
  • the connecting piece is in fluid communication with the shut-off valve via a filling line.
  • the filling line can in particular be a hose which extends from a filling station to the connecting piece and, if appropriate, can be rolled up into the filling station.
  • the shut-off valve can then be arranged in the filling station and activated there.
  • the connecting piece can be designed as a bayonet coupling, screw cap or a simple plug connection, in particularly simple cases, the connecting piece is a simple hose end, which can be introduced into a corresponding opening on the rail vehicle and the filling process is carried out by gravity in that the liquid emerges from the end of the tube and is filled into the receiving opening.
  • control unit is connected to the wireless signal transmission actuator.
  • a wireless signal transmission for example by radio signals, is particularly preferred if the control unit is arranged at a distance from the actuator and a wired signal transmission is not desired due to the associated handling problems and the risk of damaging such a signal cable.
  • control unit is arranged on the connecting piece and is preferably formed integrally with the microphone.
  • This refinement enables a compact construction of the electronic components which are relevant for the control, in particular of the control unit with optionally arranged memory unit and evaluation unit for the comparison and the microphone.
  • the placement on the connecting piece allows reliable detection of the relevant noises at a small distance from the place where the noise originates, and thus a slight influence by other ambient noises.
  • the control unit is designed to receive a signal received by the microphone, which was detected during filling of the empty or half-full liquid tank, by a signal which was detected during filling of the filled liquid tank differ.
  • control unit is designed so that it can distinguish noise characteristics that occur when filling a nearly filled liquid tank, noise that occurs when filling an empty or half-full liquid tank, and thereby achieved a termination of the filling process when reaching the maximum level height.
  • a further aspect of the invention is a method for filling liquid tanks in rail vehicles, comprising the steps of: connecting a connecting piece to a filling opening of the liquid tank, opening a shut-off valve, which in its open position releases the inflow of liquid to the connecting piece, filling the liquid tank with liquid via the connecting piece, in which according to the invention the steps are provided: monitoring the noise arising during filling by means of a microphone and generating a shutoff signal depending on the occurrence of a predetermined noise pattern in the resulting noise, and transmitting a Absperrsignals to an actuator, with the Shut-off valve is connected and adapted to close the shut-off valve upon receipt of the Absperrsignals.
  • the method may be further developed with the steps of: generating an electrical noise signal from the noise by the microphone, comparing the noise signal generated by the microphone in an electronic control unit with a noise signal pattern stored in the electronic control unit and generating the shutoff signal if at least one predetermined signal feature of the Noise signal corresponds to a corresponding signal feature of the noise signal pattern, wherein the electrical noise signal preferably characterizes a voice command of a user and the comparing comprises a voice recognition with matching of the noise signal with a predetermined noise signal.
  • the method may be developed with the steps of generating an electrical noise signal from the sounds through the microphone, comparing the noise signal generated by the microphone in an electronic control unit with a noise signal pattern stored in the electronic control unit, and generating the shutoff signal when a change of at least one predetermined signal feature of the noise signal coincides with a predetermined change pattern of the signal feature of the noise signal pattern.
  • the method may be developed by selecting the at least one signal feature from a signal feature characterizing a pitch (tone frequency), a signal feature characterizing a volume, a signal feature characterizing a tone color, or a combination of two of these signal features or all three signal features or one by speech recognition detected acoustic signal that characterizes a predetermined voice command.
  • a signal feature characterizing a pitch tone frequency
  • a signal feature characterizing a volume volume
  • a signal feature characterizing a tone color or a combination of two of these signal features or all three signal features or one by speech recognition detected acoustic signal that characterizes a predetermined voice command.
  • FIG. 1 shows a schematic, perspective view of a device according to the invention
  • Filling device in use in the filling of a liquid tank, which is arranged in the roof area of a rail vehicle.
  • Figure 2 shows a view of a second embodiment of the invention
  • Figure 3a shows a frontal view of a section of the second embodiment
  • FIG. 3b shows a side view of the detail of the second embodiment.
  • the filling device according to the invention according to FIG. 1 comprises a stationary or mobile filling station 10, which is connected, for example, to a line network for supplying liquid or which has a liquid store and can provide the liquid from this liquid store by means of a pressure pump.
  • the filling station comprises a shut-off valve 12 actuated by means of an electric actuator in the form of an electric motor 11, with which a liquid line 13, through which the liquid to be conveyed into the liquid tank, can be opened or blocked.
  • a supply hose 14 is connected, which extends from the filling station 10 to a connecting piece 20, which is designed as a drinking water coupling.
  • the connecting piece 20 serves as a filling nozzle and is designed to with a corresponding mating connection piece 20a, which is formed on the rail vehicle 30, to be coupled so that a liquid-tight transfer of liquid from the supply hose into the rail vehicle is possible.
  • a line 31 extends vertically upwards and opens into a liquid tank 40, which is designed as a drinking water tank.
  • the liquid tank 40 is arranged in the roof area of the rail vehicle and is characterized by an elongated, flat construction. By this design, filling to just below the top of the liquid tank is particularly important to provide sufficient water in the rail vehicle.
  • a connection of an overflow 50 is arranged, the water which rises above a certain level in the liquid tank, via a downpipe 51 downwardly dissipates and discharges at 60 from the downer into the rail bed.
  • an electronic control unit 70 is attached to a microphone 71. This electronic control unit receives from the microphone noise signals, such as the symbolic drawn by 61 noise signal, which is generated by the splashing of the overflowing water from the overflow pipe in the track bed.
  • the electronic control unit 70 is designed to identify this splashing sound and to differentiate it from ambient noise. Upon the occurrence of the splashing sound and detection by the control unit, the control unit 70 activates a transmitter 72, which transmits a wireless or wired transmission signal to your receiver 15 on the actuator 1 1 of the electrically operated valve 1 1. The actuator is provided with the receiver 15 to receive this signal and to close the shut-off valve 12 upon receipt of the signal.
  • control unit may be calibrated and programmed to identify the rippling of the overflowing water into the track bed based on pitch, volume, timbre, or a change in one of these three noise features, and then signal transmission Closing the shut-off valve 12 causes.
  • the filling device according to FIG. 2 differs from the embodiment of FIG. 1 in that the microphone is not arranged at the filler neck but in the region
  • the microphone can be arranged on or in the region of the upper housing cover of the filling station, in order to enable a good acoustic detection of the sounds to be detected, as can be seen in FIG.
  • the microphone is mounted with a sound conduction housing 80 on a housing 90 enclosing the other stationary components of the supply and disposal station.
  • a directional characteristic a bilaterally placed to the microphone horn 81 which receives in the direction of the course of the longitudinal axis A of the respective sound cone and feeding the microphone, in a direction B transverse thereto or from a vertical axis C incident noise shields.
  • the longitudinal axes A of the two horns can in particular be parallel or coaxial to each other, so that when the filling station with the microphone and the horns on a platform alignment of the longitudinal axes A transverse to the longitudinal course of the platform is possible.
  • noises which are acoustically directed from the typically transversely arranged filling connection of the train wagon, which is filled with fresh water, are detected by the microphone and the risk of a faulty control by noise from another direction is through the front and back arranged wall shields 82 and the top wall 83 of the sound conduction housing significantly reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

L'invention concerne un dispositif de remplissage servant à remplir des réservoirs d'eau dans des véhicules ferroviaires, comprenant un embout de raccordement qui est conçu pour être relié fluidiquement à une ouverture de remplissage du réservoir d'eau, et une soupape antiretour qui peut basculer entre une position d'ouverture dans laquelle elle laisse passer le flux de liquide provenant de l'embout de raccordement et une position de fermeture dans laquelle elle bloque le flux de liquide provenant de l'embout de raccordement. L'invention concerne par ailleurs une unité de commande électronique et un microphone qui est connecté à l'unité de commande pour la transmission de signaux, l'unité de commande étant connectée pour la transmission de signaux à un actionneur qui est conçu pour actionner la soupape antiretour, et l'unité de commande étant conçue pour activer l'actionneur lors de la détection par le microphone d'un bruit prédéfini, pour faire passer la soupape antiretour dans la position de fermeture.
EP18766226.7A 2017-09-08 2018-09-06 Dispositif d'arrêt du remplissage de réservoirs d'eau de wagons de voyageurs Active EP3678916B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017105462.4U DE202017105462U1 (de) 2017-09-08 2017-09-08 Abschaltvorrichtung für die Befüllung von Wassertanks von Personenzugwaggons
PCT/EP2018/074062 WO2019048573A1 (fr) 2017-09-08 2018-09-06 Dispositif d'arrêt du remplissage de réservoirs d'eau de wagons de voyageurs

Publications (2)

Publication Number Publication Date
EP3678916A1 true EP3678916A1 (fr) 2020-07-15
EP3678916B1 EP3678916B1 (fr) 2022-01-19

Family

ID=63528783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18766226.7A Active EP3678916B1 (fr) 2017-09-08 2018-09-06 Dispositif d'arrêt du remplissage de réservoirs d'eau de wagons de voyageurs

Country Status (3)

Country Link
EP (1) EP3678916B1 (fr)
DE (1) DE202017105462U1 (fr)
WO (1) WO2019048573A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD141494A1 (de) * 1979-02-02 1980-05-07 Horst Spanier Wasserspeicherung fuer reisezugwagen,insbesondere wirtschaftswagen oder schlafwagen
EP2364893A1 (fr) * 2010-03-12 2011-09-14 Schweizerische Bundesbahnen SBB Procédé et dispositif de vidange d'un récipient de matière solide
AT513557B1 (de) * 2012-10-08 2014-07-15 Siemens Ag Oesterreich Tankentleerungseinrichtung
DE102015200244A1 (de) * 2015-01-12 2016-07-14 Siemens Aktiengesellschaft Geruchsverschlusseinrichtung

Also Published As

Publication number Publication date
WO2019048573A1 (fr) 2019-03-14
DE202017105462U1 (de) 2018-12-14
EP3678916B1 (fr) 2022-01-19

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