EP3242824B1 - Rail vehicle with traction cooling system - Google Patents

Rail vehicle with traction cooling system Download PDF

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Publication number
EP3242824B1
EP3242824B1 EP16702067.6A EP16702067A EP3242824B1 EP 3242824 B1 EP3242824 B1 EP 3242824B1 EP 16702067 A EP16702067 A EP 16702067A EP 3242824 B1 EP3242824 B1 EP 3242824B1
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EP
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Prior art keywords
air
exhaust
rail vehicle
cooling system
traction
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EP16702067.6A
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German (de)
French (fr)
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EP3242824A1 (en
Inventor
Rudolf-Gerhard Volle
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Siemens Mobility GmbH
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Siemens Mobility GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/0072—Means for cooling only

Definitions

  • the invention relates to a rail vehicle according to the preamble of claim 1.
  • a rail vehicle with at least one traction component, which is cooled by means of a traction cooling system, and known with an air conditioner, which is provided for air conditioning of a passenger compartment of the rail vehicle and having a fluidic connected to the passenger compartment and leading out of the rail vehicle exhaust duct, wherein the traction cooling system is a heat exchanger comprises, at the sucked by means of a fan module ambient air is passed from an air inlet side of the heat exchanger to an air outlet side of the heat exchanger for cooling the heat exchanger.
  • the typically underfloor traction cooling system by means of the heat exchanger of which cooling fluid for the traction component is cooled, serves to maintain the operation of the traction component.
  • This can be, for example, a power converter, but also a transformer.
  • the exhaust air unit sucks in air from the passenger compartment and leads them outside the vehicle.
  • the general task is to reduce the complexity of the fluidic equipment in a rail vehicle.
  • an outlet end of the exhaust air duct of the air conditioner is arranged on the air inlet side of the heat exchanger of the traction cooling system such that the fan module sucks in the exhaust duct located exhaust air, so that the traction cooling system causes an exhaust air mass flow and works as exhaust air device.
  • the traction cooling system takes over the function of the exhaust air device for the discharge of exhaust air from the passenger compartment of the rail vehicle. This may require that the traction cooling system be sized larger than conventional traction cooling systems in terms of the performance of their fan / their fan assembly.
  • the exhaust air duct can be geometrically designed and arranged with its outlet end on the air inlet side of the heat exchanger of the traction cooling system, that according to the requirements of the air conditioning of the vehicle interior to the air conditioning required exhaust air mass flow at the minimum speed can be dissipated. This ensures even in the event that the electric traction component currently has no cooling demand and the fan module is operated at the predetermined minimum speed that sufficient exhaust air from the vehicle interior can be discharged.
  • the exhaust air mass flow in the exhaust air line can be controlled. This allows it to be limited to any, e.g. To be able to react even at short notice particularly high demands on cooling performance for the traction component.
  • the exhaust air mass flow can be lowered so that more ambient air is sucked by the fan module, so that a higher heat dissipation of the electrical traction component can be done by the traction cooling system.
  • the exhaust air mass flow can be controlled, for example, by means of a rotatable air damper, which is integrated into the exhaust air duct for realizing various free cross sections of the exhaust air duct. If, for example, a temperature of the electrical traction component to be cooled is monitored and this monitoring leads to the detection of an increased cooling requirement, the rotatable air damper can reduce the free cross section within the exhaust air duct in such a way that, despite the increased speed of the fan module, the exhaust air mass flow remains essentially the same.
  • the exhaust air mass flow may be controlled depending on an operational cooling requirement of the at least one traction component to the traction cooling system.
  • a monitoring of the exhaust air mass flow in the exhaust duct can be done by means of an air flow sensor.
  • FIGURE shows schematic block diagram representations of a traction cooling system with cooperating components of a rail vehicle.
  • a Tratechnischskssel used for example in a rail vehicle 1 includes a heat exchanger 2 and a fan module 3.
  • the fan module 3 wiest in the present embodiment, a fan 4, the ambient air 5 sucks toward an air inlet side 6 of the heat exchanger 2 and past the heat exchanger 2, after which the heated ambient air leaves the heat exchanger 2 on an air outlet side 7.
  • the heat exchanger 2 may be an air / fluid heat exchanger, where the fluid is the cooling fluid for an electrical traction component (e.g., power converter, transformer) to be cooled, and the cooling fluid is traversed by a traction cooling circuit.
  • an electrical traction component e.g., power converter, transformer
  • the ambient air passing through the heat exchanger 2 leaves the traction cooling system 1 in a blown-out air stream 8.
  • the traction cooling system 1 also acts as exhaust air device.
  • An outlet end 10 of the exhaust air duct 9 is arranged directly on the air inlet side 6 of the heat exchanger 2, so that the fan module 3 generates a negative pressure at the outlet end 10 of the exhaust air duct 9 , which causes sucked air 11 from the passenger compartment also passes through the heat exchanger 2 and the air flow 8 is added to blown air.
  • the function of cooling the electric drive component has priority.
  • an exhaust air mass flow can be kept unchanged despite increased performance of the fan module 3.
  • an air flow sensor 12 is provided, with the aid of a size of the exhaust air mass flow in the exhaust air duct 9 can be monitored and measured.
  • the size of the exhaust air mass flow can be suitably controlled, in which a remaining free cross section of the exhaust air duct 9 is adjustable.
  • the air flap 13 is rotatably suspended and, depending on a cooling requirement for the electric drive component, controllable.
  • the fan module 3 is controlled in terms of the speed of its fan 4 depending on a cooling requirement of the electric drive component. In general, this control is such that a speed of the fan 4 is increased so much with increased cooling demand that the functions "exhaust air unit” and “traction cooling system” can be fulfilled in parallel. As soon as the cooling requirement of the electric drive component becomes so high that an excessively high exhaust air mass flow would result, the air flap 13 is activated to reduce a free cross section of the exhaust air duct 9.
  • the traction cooling system 1 acts primarily as exhaust air device.
  • the exhaust air duct 9 is designed geometrically (flow resistance of the channel) that the predetermined minimum speed of the fan module is sufficient to meet requirements of the air conditioning of the vehicle interior to the air conditioning, i. a requisite exhaust air mass flow is generated by the fan module 3.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

Die Erfindung bezieht sich auf ein Schienenfahrzeug nach dem Oberbegriff von Anspruch 1.The invention relates to a rail vehicle according to the preamble of claim 1.

Aus der EP 2 481 898 A1 ist ein Schienenfahrzeug mit wenigstens einer Traktionskomponente, die mittels einer Traktionskühlanlage kühlbar ist, und mit einer Klimaanlage bekannt, die zur Klimatisierung eines Fahrgastinnenraums des Schienenfahrzeugs vorgesehen ist und einen mit dem Fahrgastinnenraum strömungstechnisch verbundenen und aus dem Schienenfahrzeug herausführenden Fortluftkanal aufweist, wobei die Traktionskühlanlage einen Wärmetauscher umfasst, an dem mittels eines Lüftermoduls angesaugte Umgebungsluft von einer Lufteinlassseite des Wärmetauschers aus zu einer Luftauslassseite des Wärmetauschers zur Entwärmung des Wärmetauschers vorbeigeführt ist.From the EP 2 481 898 A1 is a rail vehicle with at least one traction component, which is cooled by means of a traction cooling system, and known with an air conditioner, which is provided for air conditioning of a passenger compartment of the rail vehicle and having a fluidic connected to the passenger compartment and leading out of the rail vehicle exhaust duct, wherein the traction cooling system is a heat exchanger comprises, at the sucked by means of a fan module ambient air is passed from an air inlet side of the heat exchanger to an air outlet side of the heat exchanger for cooling the heat exchanger.

Wie vorstehend beschrieben, liegen somit bei einem herkömmlichen Schienenfahrzeug für die Entwärmung der wenigstens einen Traktionskomponente einerseits und die Abführung von Raumluft aus dem Fahrgastinnenraum des Schienenfahrzeugs verschiedene Geräte vor. So dient die typischer Weise unterflur angeordnete Traktionskühlanlage, mittels deren Wärmetauscher Kühlfluid für die Traktionskomponente abgekühlt wird, zur Aufrechterhaltung des Betriebs der Traktionskomponente. Bei dieser kann es sich beispielsweise um einen Stromrichter, aber auch einen Transformator handeln.As described above, in a conventional rail vehicle for the heat dissipation of the at least one traction component on the one hand and the discharge of room air from the passenger compartment of the rail vehicle are thus different devices. Thus, the typically underfloor traction cooling system, by means of the heat exchanger of which cooling fluid for the traction component is cooled, serves to maintain the operation of the traction component. This can be, for example, a power converter, but also a transformer.

Demgegenüber saugt das Fortluftgerät Luft aus dem Fahrgastinnenraum an und führt sie nach außerhalb des Fahrzeugs.In contrast, the exhaust air unit sucks in air from the passenger compartment and leads them outside the vehicle.

Vor diesem Hintergrund besteht die allgemeine Aufgabe, die Komplexität der strömungstechnischen Ausrüstung bei einem Schienenfahrzeug zu vermindern.Against this background, the general task is to reduce the complexity of the fluidic equipment in a rail vehicle.

Diese Aufgabe wird bei dem eingangs genannten Schienenfahrzeug durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved in the aforementioned rail vehicle by the characterizing features of claim 1.

Danach ist bei dem Schienenfahrzeug vorgesehen, dass ein Auslassende des Fortluftkanals der Klimaanlage an der Lufteinlassseite des Wärmetauschers der Traktionskühlanlage derart angeordnet ist, dass das Lüftermodul in dem Fortluftkanal befindliche Fortluft ansaugt, so dass die Traktionskühlanlage einen Fortluftmassenstrom bewirkt und als Fortluftgerät arbeitet.Thereafter, it is provided in the rail vehicle that an outlet end of the exhaust air duct of the air conditioner is arranged on the air inlet side of the heat exchanger of the traction cooling system such that the fan module sucks in the exhaust duct located exhaust air, so that the traction cooling system causes an exhaust air mass flow and works as exhaust air device.

Gemäß dieser Vorgehensweise entfällt das im Stand der Technik eingesetzte Fortluftgerät als gesonderte Komponente des Schienenfahrzeugs. Vielmehr übernimmt die Traktionskühlanlage die Funktion des Fortluftgerätes zur Abführung von Fortluft aus dem Fahrgastinnenraum des Schienenfahrzeugs. Dazu kann es erforderlich sein, dass die Traktionskühlanlage hinsichtlich der Leistung ihres Lüfters/ihrer Lüfteranordnung gegenüber herkömmlichen Traktionskühlanlagen größer bemessen ist.According to this procedure eliminates the exhaust air device used in the prior art as a separate component of the rail vehicle. Rather, the traction cooling system takes over the function of the exhaust air device for the discharge of exhaust air from the passenger compartment of the rail vehicle. This may require that the traction cooling system be sized larger than conventional traction cooling systems in terms of the performance of their fan / their fan assembly.

Es ergibt sich der Vorteil, dass Bauraum im Unterflurbereich des Schienenfahrzeugs eingespart wird. Auch ist zu erwarten, dass eine Gesamtmasse, ein elektrischer Energieverbrauch und Gesamtkosten des Schienenfahrzeugs vermindert werden.This results in the advantage that space is saved in the underfloor area of the rail vehicle. It is also expected that a total mass, an electrical energy consumption and a total cost of the rail vehicle will be reduced.

Bevorzugt kann bei vorgegebener Mindestdrehzahl des Lüftermoduls der Fortluftkanal derart geometrisch ausgelegt und mit seinem Auslassende an der Lufteinlassseite des Wärmetauschers der Traktionskühlanlage angeordnet sein, dass ein nach den Anforderungen der Klimatisierung des Fahrzeuginnenraums an die Klimaanlage erforderlicher Fortluftmassenstrom bei der Mindestdrehzahl abführbar ist. Dies gewährleistet auch für den Fall, dass die elektrische Traktionskomponente aktuell keinen Kühlbedarf hat und das Lüftermodul bei der vorgegebenen Mindestdrehzahl betrieben ist, dass ausreichend Fortluft aus dem Fahrzeuginnenraum abführbar ist.Preferably, at a predetermined minimum speed of the fan module, the exhaust air duct can be geometrically designed and arranged with its outlet end on the air inlet side of the heat exchanger of the traction cooling system, that according to the requirements of the air conditioning of the vehicle interior to the air conditioning required exhaust air mass flow at the minimum speed can be dissipated. This ensures even in the event that the electric traction component currently has no cooling demand and the fan module is operated at the predetermined minimum speed that sufficient exhaust air from the vehicle interior can be discharged.

Vorteilhafterweise kann der Fortluftmassenstrom in der Fortluftleitung steuerbar sein. Dies gestattet es, auf etwaige, z.B. auch kurzfristig auftretende besonders hohe Anforderungen an Kühlleistung für die Traktionskomponente reagieren zu können. In diesem Fall kann der Fortluftmassenstrom derart abgesenkt werden, dass mehr Umgebungsluft von dem Lüftermodul angesaugt wird, so dass eine höhere Entwärmung der elektrischen Traktionskomponente durch die Traktionskühlanlage erfolgen kann.Advantageously, the exhaust air mass flow in the exhaust air line can be controlled. This allows it to be limited to any, e.g. To be able to react even at short notice particularly high demands on cooling performance for the traction component. In this case, the exhaust air mass flow can be lowered so that more ambient air is sucked by the fan module, so that a higher heat dissipation of the electrical traction component can be done by the traction cooling system.

Der Fortluftmassenstrom kann beispielsweise mittels einer drehbaren Luftklappe steuerbar sein, die zum Verwirklichen verschiedener freier Querschnitte des Fortluftkanals in den Fortluftkanal integriert ist. Wird beispielsweise eine Temperatur der zu kühlenden elektrischen Traktionskomponente überwacht und diese Überwachung führt zum Feststellen eines erhöhten Kühlbedarfs, kann die drehbare Luftklappe den freien Querschnitt innerhalb des Fortluftkanals derart verkleinern, dass trotz erhöhter Drehzahl des Lüftermoduls der Fortluftmassenstrom im Wesentlichen gleich bleibt.The exhaust air mass flow can be controlled, for example, by means of a rotatable air damper, which is integrated into the exhaust air duct for realizing various free cross sections of the exhaust air duct. If, for example, a temperature of the electrical traction component to be cooled is monitored and this monitoring leads to the detection of an increased cooling requirement, the rotatable air damper can reduce the free cross section within the exhaust air duct in such a way that, despite the increased speed of the fan module, the exhaust air mass flow remains essentially the same.

Allgemein ausgedrückt, kann der Fortluftmassenstrom abhängig von einem betriebsbedingten Kühlbedarf der wenigstens einen Traktionskomponente an die Traktionskühlanlage gesteuert sein.Generally speaking, the exhaust air mass flow may be controlled depending on an operational cooling requirement of the at least one traction component to the traction cooling system.

Eine Überwachung des Fortluftmassenstroms im Fortluftkanal kann mittels eines Luftmengensensors erfolgen.A monitoring of the exhaust air mass flow in the exhaust duct can be done by means of an air flow sensor.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend unter Bezugnahme auf die Zeichnung noch näher erläutert. Die einzige Figur zeigt schematische Blockdiagrammdarstellungen einer Traktionskühlanlage mit damit zusammenwirkenden Komponenten eines Schienenfahrzeugs.An embodiment of the invention will be explained in more detail with reference to the drawings. The single FIGURE shows schematic block diagram representations of a traction cooling system with cooperating components of a rail vehicle.

Wie in der Figur dargestellt ist, umfasst eine beispielsweise bei einem Schienenfahrzeug eingesetzte Traktionskühlanlage 1 einen Wärmtauscher 2 sowie ein Lüftermodul 3. Das Lüftermodul 3 wiest im vorliegenden Ausführungsbeispiel ein Lüfterrad 4 auf, das Umgebungsluft 5 in Richtung auf eine Lufteinlassseite 6 des Wärmetauschers 2 ansaugt und an dem Wärmetauscher 2 vorbeiführt, wonach die erwärmte Umgebungsluft auf einer Luftauslassseite 7 den Wärmetauscher 2 verlässt.As shown in the figure, a Traktionskühlanlage used for example in a rail vehicle 1 includes a heat exchanger 2 and a fan module 3. The fan module 3 wiest in the present embodiment, a fan 4, the ambient air 5 sucks toward an air inlet side 6 of the heat exchanger 2 and past the heat exchanger 2, after which the heated ambient air leaves the heat exchanger 2 on an air outlet side 7.

Bei dem Wärmetauscher 2 kann es sich um einen Luft/Fluid-Wärmetauscher handeln, wobei es sich bei dem Fluid um das Kühlfluid für eine zu entwärmende elektrische Traktionskomponente (z.B. Stromrichter, Transformator) handelt und das Kühlfluid einen Traktionskühlkreis durchströmt.The heat exchanger 2 may be an air / fluid heat exchanger, where the fluid is the cooling fluid for an electrical traction component (e.g., power converter, transformer) to be cooled, and the cooling fluid is traversed by a traction cooling circuit.

Durch geeignete Strömungsführung verlässt die den Wärmetauscher 2 passierende Umgebungsluft die Traktionskühlanlage 1 in einem ausgeblasenen Luftstrom 8.By suitable flow guidance, the ambient air passing through the heat exchanger 2 leaves the traction cooling system 1 in a blown-out air stream 8.

Die Traktionskühlanlage 1 wirkt zudem als Fortluftgerät. Dazu transportiert ein Fortluftkanal 9 aus einem Fahrgastinnenraum des Schienenfahrzeugs zu der Lufteinlassseite 6 des Wärmetauschers 2. Ein Auslassende 10 des Fortluftkanals 9 ist unmittelbar an der Lufteinlassseite 6 des Wärmetauschers 2 angeordnet, so dass das Lüftermodul 3 an dem Auslassende 10 des Fortluftkanals 9 einen Unterdruck erzeugt, welcher dazu führt, dass angesaugte Luft 11 aus dem Fahrgastinnenraum ebenfalls den Wärmetauscher 2 passiert und dem Luftstrom 8 an ausgeblasener Luft hinzugefügt wird. Zu diesem Zweck kann es erforderlich sein, eine herkömmliche Traktionskühlanlage hinsichtlich der Leistung ihres Lüftermoduls 3 derart aufzurüsten, dass parallel der Wärmetauscher 2 für die elektrische Antriebskomponente entwärmt und auch die Fortluft aus dem Fahrzeuginnenraum abgeführt werden kann.The traction cooling system 1 also acts as exhaust air device. An outlet end 10 of the exhaust air duct 9 is arranged directly on the air inlet side 6 of the heat exchanger 2, so that the fan module 3 generates a negative pressure at the outlet end 10 of the exhaust air duct 9 , which causes sucked air 11 from the passenger compartment also passes through the heat exchanger 2 and the air flow 8 is added to blown air. For this purpose, it may be necessary to upgrade a conventional traction cooling system with respect to the performance of its fan module 3 such that the heat exchanger 2 for the electric drive component is cooled in parallel and also the exhaust air can be removed from the vehicle interior.

Für den Betrieb der Traktionskühlanlage hat grundsätzlich die Funktion der Kühlung der elektrischen Antriebskomponente Priorität. Bei beispielsweise plötzlich auftretendem erhöhten Kühlbedarf für die elektrische Antriebskomponente kann ein Fortluftmassenstrom trotz erhöhter Leistung des Lüftermoduls 3 ungeändert gehalten werden. Zu diesem Zweck ist in dem Fortluftkanal 9 ein Luftmengensensor 12 vorgesehen, mit dessen Hilfe eine Größe des Fortluftmassenstroms im Fortluftkanal 9 überwachbar und messbar ist. Mit Hilfe einer in den Fortluftkanal 9 eingesetzten Luftklappe 13 kann die Größe des Fortluftmassenstroms geeignet gesteuert werden, in dem ein verbleibender freier Querschnitt des Fortluftkanals 9 einstellbar ist. Dazu ist die Luftklappe 13 drehbar aufgehängt und, abhängig von einem Kühlbedarf für die elektrische Antriebskomponente, steuerbar.For the operation of the traction cooling system, in principle, the function of cooling the electric drive component has priority. For example, when suddenly increased cooling demand for the electric drive component, an exhaust air mass flow can be kept unchanged despite increased performance of the fan module 3. For this purpose is in the Outgoing air duct 9, an air flow sensor 12 is provided, with the aid of a size of the exhaust air mass flow in the exhaust air duct 9 can be monitored and measured. With the help of an air damper 13 inserted into the exhaust duct 9, the size of the exhaust air mass flow can be suitably controlled, in which a remaining free cross section of the exhaust air duct 9 is adjustable. For this purpose, the air flap 13 is rotatably suspended and, depending on a cooling requirement for the electric drive component, controllable.

Das Lüftermodul 3 ist hinsichtlich der Drehzahl seines Lüfterrads 4 abhängig von einem Kühlbedarf der elektrischen Antriebskomponente gesteuert. Allgemein erfolgt diese Steuerung derart, dass eine Drehzahl des Lüfterrads 4 bei erhöhtem Kühlbedarf so weit angehoben wird, dass parallel die Funktionen "Fortluftgerät" und "Traktionskühlanlage" erfüllt werden können. Sobald die Kühlanforderung der elektrischen Antriebskomponente derart hoch wird, dass sich ein zu hoher Fortluftmassenstrom ergeben würde, wird die Luftklappe 13 zur Verringerung eines freien Querschnitts des Fortluftkanals 9 angesteuert.The fan module 3 is controlled in terms of the speed of its fan 4 depending on a cooling requirement of the electric drive component. In general, this control is such that a speed of the fan 4 is increased so much with increased cooling demand that the functions "exhaust air unit" and "traction cooling system" can be fulfilled in parallel. As soon as the cooling requirement of the electric drive component becomes so high that an excessively high exhaust air mass flow would result, the air flap 13 is activated to reduce a free cross section of the exhaust air duct 9.

Für das Lüftermodul 3 ist eine Mindestdrehzahl vorgegeben, die selbst bei nicht vorhandener Kühlanforderung für die elektrische Traktionskomponente anliegt. In diesem Fall wirkt die Traktionskühlanlage 1 in erster Linie als Fortluftgerät. Dazu ist der Fortluftkanal 9 derart geometrisch ausgelegt (Strömungswiderstand des Kanals), dass die vorgegebene Mindestdrehzahl des Lüftermoduls ausreicht, Anforderungen der Klimatisierung des Fahrzeuginnenraums an die Klimaanlage zu erfüllen, d.h. ein dafür erforderlicher Fortluftmassenstrom wird durch das Lüftermodul 3 erzeugt.For the fan module 3, a minimum speed is specified, which is applied even when there is no cooling requirement for the electric traction component. In this case, the traction cooling system 1 acts primarily as exhaust air device. For this purpose, the exhaust air duct 9 is designed geometrically (flow resistance of the channel) that the predetermined minimum speed of the fan module is sufficient to meet requirements of the air conditioning of the vehicle interior to the air conditioning, i. a requisite exhaust air mass flow is generated by the fan module 3.

Claims (6)

  1. Rail vehicle having at least one traction component, which is able to be cooled by means of a traction cooling system (1), and having an air-conditioning system, which is provided for the air conditioning of a passenger interior compartment of the rail vehicle and has an exhaust-air duct (9), the latter being connected in terms of flow to the passenger interior compartment and leading out of the rail vehicle, wherein the traction cooling system (1) comprises a heat exchanger (2), past which drawn-in ambient air (5) is conducted by means of a fan module (3) from an air inlet side (6) of the heat exchanger (2) to an air outlet side (7) of the heat exchanger (2) for the purpose of dissipating heat from the heat exchanger (2),
    characterized in that
    an outlet end (10) of the exhaust-air duct (9) of the air-conditioning system is arranged on the air inlet side (6) of the heat exchanger (2) of the traction cooling system (1) such that the fan module (3) draws in exhaust air present in the exhaust-air duct (9), with the result that the traction cooling system (1) produces an exhaust-air mass stream and functions as an exhaust-air unit.
  2. Rail vehicle according to Claim 1,
    characterized in that,
    at a predefined minimum rotational speed of the fan module (3), the exhaust-air duct (9) is geometrically designed, and arranged with its outlet end (10) on the air inlet side (6) of the heat exchanger (2) of the traction cooling system (1), such that an exhaust-air mass stream which is needed according to the requirements for the air-conditioning system concerning the air-conditioning of the passenger interior compartment is able to be removed at the minimum rotational speed.
  3. Rail vehicle according to either of Claims 1 and 2,
    characterized in that
    the exhaust-air mass stream in the exhaust-air line is able to be controlled.
  4. Rail vehicle according to one of Claim 3,
    characterized in that
    the exhaust-air mass stream is able to be controlled by means of a rotatable air flap (13), the latter being inserted into the exhaust-air duct (9) for the purpose of realizing different free cross sections of the exhaust-air duct (9).
  5. Rail vehicle according to either of Claims 3 and 4,
    characterized in that
    the exhaust-air mass stream is controlled in a manner dependent on an operational cooling requirement for the traction cooling system (1) concerning the at least one traction component.
  6. Rail vehicle according to one of Claims 3 to 5,
    characterized in that
    the exhaust-air mass stream is monitored by means of an air flow rate sensor (12).
EP16702067.6A 2015-03-02 2016-01-27 Rail vehicle with traction cooling system Active EP3242824B1 (en)

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DE102015203668.5A DE102015203668A1 (en) 2015-03-02 2015-03-02 Rail vehicle with traction cooling system
PCT/EP2016/051621 WO2016139015A1 (en) 2015-03-02 2016-01-27 Rail vehicle with traction cooling system

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EP3242824A1 EP3242824A1 (en) 2017-11-15
EP3242824B1 true EP3242824B1 (en) 2019-04-03

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EP (1) EP3242824B1 (en)
CN (1) CN209521693U (en)
DE (1) DE102015203668A1 (en)
ES (1) ES2733584T3 (en)
RU (1) RU184315U1 (en)
WO (1) WO2016139015A1 (en)

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ES2733584T3 (en) 2019-12-02
WO2016139015A1 (en) 2016-09-09
DE102015203668A1 (en) 2016-09-08
RU184315U1 (en) 2018-10-22
EP3242824A1 (en) 2017-11-15
CN209521693U (en) 2019-10-22

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