EP3749562B1 - Mixer and assembly for air-conditioning a rail vehicle - Google Patents

Mixer and assembly for air-conditioning a rail vehicle Download PDF

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Publication number
EP3749562B1
EP3749562B1 EP19707297.8A EP19707297A EP3749562B1 EP 3749562 B1 EP3749562 B1 EP 3749562B1 EP 19707297 A EP19707297 A EP 19707297A EP 3749562 B1 EP3749562 B1 EP 3749562B1
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EP
European Patent Office
Prior art keywords
mixer
air
inlet
central area
fresh air
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EP19707297.8A
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German (de)
French (fr)
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EP3749562A1 (en
Inventor
Thomas PLINNINGER
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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
    • 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

Definitions

  • the invention relates to a mixer and an arrangement for air conditioning a rail vehicle.
  • Fresh air FL is supplied to a mixer M via a first input and circulating air UL via a second input.
  • the circulating air UL comes from an interior IR of the rail vehicle and is fed to the mixer M with the aid of a duct system KS2.
  • the fresh air FL is obtained from the external environment of the rail vehicle and is also fed to the mixer M.
  • the supplied circulating air UL is mixed with the supplied fresh air FL by the mixer M and a so-called supply air ZL is generated from this.
  • the supply air ZL is fed via an output of the mixer M to an air conditioning unit KLG and to a supply fan ZUL downstream of the air conditioning unit KLG.
  • the supplied supply air ZL is air-conditioned or its temperature regulated by the air-conditioning unit KLG. With the aid of the downstream supply fan ZUL, the air-conditioned supply air ZL is supplied to the interior IR of the rail vehicle via a duct system KS1.
  • Part of the conditioned air returns to the mixer M via the duct system KS2 described above as circulating air UL from the interior IR of the rail vehicle.
  • the capacity of the supply fan ZUL may be overwhelmed, so that its maintenance requirements increase or its service life decreases.
  • An additional UML circulating fan with circulating air intake is connected upstream of the mixer M, so that pressure losses on the circulating air side are compensated for by the powerful, additional circulating air intake.
  • fans that are additionally required or whose capacity is increased increase the power consumption of the resulting overall system and the costs of the resulting air-conditioning arrangement.
  • the arrangement according to the invention addresses, as the core item, a mixer for use in an air conditioning arrangement of a rail vehicle.
  • the mixer has a first input, a second input, an output, and a middle section located between the two inputs and the output.
  • the first entrance is connected to a fresh air supply, so that fresh air reaches the central area via the first entrance.
  • the second inlet is connected to a circulating air supply, so that circulating air enters the central area via the second inlet.
  • supply air is generated from the supplied circulating air and from the supplied fresh air by mixing, which air reaches the outlet of the mixer.
  • the middle section of the mixer is connected to the first input via an opening.
  • the opening forms a transition area between the entrance and the middle area, so that the supplied fresh air is guided from the first entrance via the transition area to the middle area.
  • the transition area includes a profile with a cross-section shaped like an aerofoil.
  • the profile is arranged in the transition area in such a way that the supplied fresh air generates a negative pressure along the transition area, through which the circulating air is drawn in more strongly into the middle area of the mixer.
  • the present invention is based on an efficient and redesigned introduction of fresh air into the mixer.
  • the incoming fresh air is fed into the mixer via a profile with an aerofoil cross-section, so that a Coanda effect is created along the profile.
  • Coanda effect describes the tendency of a gas flow to run along a convex surface of the airfoil-shaped profile (instead of separating from it) and to move on accelerated in an original flow direction.
  • the interaction of the fresh air and circulating air flowing along the wing profile creates a negative pressure on the circulating air side of the mixer, through which the circulating air then flows is increasingly sucked into the interior of the mixer (an injector principle is therefore advantageously used).
  • a fresh air fan is connected upstream of the first input of the mixer.
  • the fresh air fan draws in fresh air, pressurizes it and supplies the pressurized fresh air to the mixer via the first inlet of the mixer.
  • the fresh air fan is designed as a side channel compressor.
  • a side channel blower With a low volume flow, a side channel blower has a high pressure gain and thus a steep characteristic curve.
  • Such a side channel compressor easily overcomes pressure losses and efficiently conveys the fresh air into the mixer in order to additionally support its circulating air intake.
  • the fresh air is introduced into the mixer in an aerodynamically efficient manner.
  • a cost-effective and low-effort circulating air intake is implemented in the mixer, with which any pressure losses in an air-conditioning arrangement can be compensated.
  • the present invention brings advantages in terms of the overall efficiency of the air-conditioning arrangement, since overall less electrical power is required for its operation.
  • the present invention brings advantages in terms of the required installation space, since components that were previously required are no longer required or can be made smaller in size.
  • the present invention also has advantages in terms of acoustics, since the mixer according to the invention has no moving components that cause noise.
  • the present invention uses a fresh air fan to supply fresh air at an increased pressure to the mixer on the input side. This supports the conveyance of the circulating air into the mixer. As a result, the circulating air is increasingly sucked in through the mixer.
  • the mixer M11 has a first input E11, a second input E12 and an output A11.
  • the mixer M11 also has a cylindrical central area B11.
  • the mixer M11 is supplied with fresh air FL via the first input E11 and circulating air UL via the second input E12.
  • the fresh air FL is mixed with the circulating air UL and an inlet air ZL is generated from this.
  • the first inlet E11 is designed as a tube which is arranged radially circumferentially on an outer side AS11 of the mixer M11 and correspondingly opens radially circumferentially in the direction of the middle region B11 into the interior of the mixer M11.
  • This opening OF11 thus forms a peripheral transition area UB11, which is arranged between the entrance E11 and the cylindrical central area B11.
  • the circumferential transition area UB11 includes a profile PR11, which has an airfoil-shaped cross section, which is described in more detail below.
  • FIG 2 shows with reference to FIG 1 a detail of the mixer M11 according to the invention in a sectional view.
  • the airfoil-shaped cross section of the profile PR11 has a concave, i.e. inwardly curved, surface OB11 in the direction of the supplied fresh air FL or in the direction of the first inlet E11.
  • the airfoil-shaped cross section of the profile PR11 has a convex, ie outwardly curved, surface OB12 in the direction of the supplied circulating air UL or in the direction of the cylindrical middle region B11.
  • the outwardly curved surface OB12 of the profile PR11 is arranged opposite the opening OF11 and has a (small) air gap LS11 as a distance from it.
  • the transition area UB11 thus has the functionality of an injector:
  • the supplied fresh air FL causes a negative pressure along the transition area UB11, via which the circulating air UL is sucked into the mixer M11 or in its central area B11 to a greater extent.
  • FIG 3 shows with reference to FIG 1 and FIG 2 an advantageous extension of the mixer M11 according to the invention.
  • a fresh air fan FRL is connected upstream of the first input E11 of the mixer M11.
  • the fresh air fan draws in fresh air FL, applies pressure to it and feeds the pressurized fresh air FL to the mixer M11 via the first input E11 of the mixer M11.
  • the fresh air fan FRL is designed in particular as a side channel compressor. With a low volume flow, a side channel blower has a high pressure gain and thus a steep characteristic curve.
  • This side channel compressor easily overcomes pressure losses and efficiently conveys fresh air FL into the mixer M11 in order to additionally support its circulating air intake.
  • FIG 4 shows an air conditioning scheme of a rail vehicle using the mixer M11 according to the invention.
  • the mixer M11 is supplied with fresh air FL via a first input and circulating air UL via a second input.
  • the circulating air In this case, UL comes from an interior IR of the rail vehicle and is fed to the mixer M11 with the aid of a channel system KS2.
  • the fresh air FL is obtained from the external environment of the rail vehicle and is also supplied to the mixer M11.
  • the supplied circulating air UL is mixed with the supplied fresh air FL by the mixer M11 and a so-called supply air ZL is generated therefrom.
  • the supply air ZL is fed via an output of the mixer M11 to an air conditioning device KLG and to a supply fan ZUL downstream of the air conditioning device KLG.
  • the supplied supply air ZL is air-conditioned or its temperature regulated by the air-conditioning unit KLG. With the aid of the downstream supply fan ZUL, the conditioned supply air ZL is supplied to the interior IR of the rail vehicle via a duct system KS1.
  • Part of the conditioned air returns to the mixer M via the duct system KS2 described above as circulating air UL from the interior IR of the rail vehicle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Jet Pumps And Other Pumps (AREA)

Description

Die Erfindung betrifft einen Mischer sowie eine Anordnung zur Klimatisierung eines Schienenfahrzeugs.The invention relates to a mixer and an arrangement for air conditioning a rail vehicle.

Ein typisches Schema einer bekannten Klimatisierung eines Schienenfahrzeugs sowie ein darin verwendeter Mischer ist in FIG 5 dargestellt.A typical scheme of a well-known air conditioning of a rail vehicle, as well as a mixer used in it, is given in 5 shown.

Einem Mischer M wird über einen ersten Eingang Frischluft FL und über einen zweiten Eingang Umluft UL zugeführt. Die Umluft UL stammt dabei aus einem Innenraum IR des Schienenfahrzeugs und wird mit Hilfe eines Kanalsystems KS2 dem Mischer M zugeführt. Die Frischluft FL wird aus dem äußeren Umfeld des Schienenfahrzeugs gewonnen und ebenfalls dem Mischer M zugeführt.Fresh air FL is supplied to a mixer M via a first input and circulating air UL via a second input. The circulating air UL comes from an interior IR of the rail vehicle and is fed to the mixer M with the aid of a duct system KS2. The fresh air FL is obtained from the external environment of the rail vehicle and is also fed to the mixer M.

Durch den Mischer M wird die zugeführte Umluft UL mit der zugeführten Frischluft FL gemischt und daraus eine sogenannte Zuluft ZL generiert.The supplied circulating air UL is mixed with the supplied fresh air FL by the mixer M and a so-called supply air ZL is generated from this.

Die Zuluft ZL wird über einen Ausgang des Mischers M einem Klimagerät KLG und einem dem Klimagerät KLG nachgeschalteten Zulüfter ZUL zugeführt.The supply air ZL is fed via an output of the mixer M to an air conditioning unit KLG and to a supply fan ZUL downstream of the air conditioning unit KLG.

Durch das Klimagerät KLG wird die zugeführte Zuluft ZL klimatisiert bzw. in ihrer Temperatur reguliert. Mit Hilfe des nachgeschalteten Zulüfters ZUL wird die klimatisierte Zuluft ZL über ein Kanalsystem KS1 dem Innenraum IR des Schienenfahrzeugs zugeführt.The supplied supply air ZL is air-conditioned or its temperature regulated by the air-conditioning unit KLG. With the aid of the downstream supply fan ZUL, the air-conditioned supply air ZL is supplied to the interior IR of the rail vehicle via a duct system KS1.

Ein Teil der klimatisierten Luft kommt über das eingangs beschriebene Kanalsystem KS2 als Umluft UL vom Innenraum IR des Schienenfahrzeugs zum Mischer M zurück.Part of the conditioned air returns to the mixer M via the duct system KS2 described above as circulating air UL from the interior IR of the rail vehicle.

In diesem geschlossenen Gesamtsystem kommt es jedoch zu Druckverlusten, die durch die beschriebenen Komponenten (Klimagerät KLG, Zulüfter ZUL, Kanalsysteme KS1, KS2 und Innenraum IR) bedingt sind.In this closed overall system, however, there are pressure losses that are caused by the described components (air conditioning unit KLG, ventilator ZUL, duct systems KS1, KS2 and interior IR).

Diese Druckverluste müssen vom Zulüfter ZUL ausgeglichen werden, so dass dessen Kapazität und Baugröße von den erwarteten Druckverlusten bedingt wird.These pressure losses must be compensated for by the supply fan ZUL, so that its capacity and size are determined by the expected pressure losses.

Je nach Größe der realen Druckverluste kann die Kapazität des Zulüfters ZUL ggf. überfordert werden, so dass dessen Wartungsbedarf steigt bzw. so dass dessen Lebensdauer sinkt.Depending on the size of the actual pressure loss, the capacity of the supply fan ZUL may be overwhelmed, so that its maintenance requirements increase or its service life decreases.

FIG 6 zeigt ein verbessertes, bekanntes Schema der in FIG 5 dargestellten Klimatisierung. 6 shows an improved, known scheme of the in 5 shown air conditioning.

Dabei wird dem Mischer M ein zusätzlicher Umlüfter UML mit Umluftansaugung vorgeschaltet, so dass Druckverluste auf der Umluft-Seite über die kraftvoll erfolgende, zusätzliche Umluftansaugung kompensiert werden.An additional UML circulating fan with circulating air intake is connected upstream of the mixer M, so that pressure losses on the circulating air side are compensated for by the powerful, additional circulating air intake.

Zusätzlich benötigte oder in ihrer Kapazität vergrößerte Lüfter (Umlüfter, Zulüfter) erhöhen jedoch den Leistungsverbrauch des resultierenden Gesamtsystems sowie die Kosten der resultierenden Anordnung zur Klimatisierung.However, fans that are additionally required or whose capacity is increased (circulating fans, supply fans) increase the power consumption of the resulting overall system and the costs of the resulting air-conditioning arrangement.

Aus der Druckschrift DE 26 10 108 A1 ist eine Lüftungsanlage für Eisenbahnfahrzeuge bekannt.From the pamphlet DE 26 10 108 A1 a ventilation system for railway vehicles is known.

Es ist daher die Aufgabe der vorliegenden Erfindung, eine verbesserte Anordnung zur Klimatisierung eines Schienenfahrzeugs anzugeben.It is therefore the object of the present invention to specify an improved arrangement for air conditioning a rail vehicle.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 sowie durch die Merkmale des Anspruchs 5 gelöst.This object is achieved by the features of claim 1 and by the features of claim 5.

Vorteilhafte Weiterbildungen sind in den jeweiligen abhängigen Ansprüchen angegeben.Advantageous developments are specified in the respective dependent claims.

Die erfindungsgemäße Anordnung adressiert als Kernstück einen Mischer zur Verwendung bei einer Klimatisierungsanordnung eines Schienenfahrzeugs.The arrangement according to the invention addresses, as the core item, a mixer for use in an air conditioning arrangement of a rail vehicle.

Der Mischer weist einen ersten Eingang, einen zweiten Eingang, einen Ausgang sowie einen mittleren Bereich auf, der zwischen den beiden Eingängen und dem Ausgang angeordnet ist. Der erste Eingang ist mit einer Frischluftzufuhr verbunden, so dass Frischluft über den ersten Eingang in den mittleren Bereich gelangt. Der zweite Eingang ist mit einer Umluftzufuhr verbunden, so dass Umluft über den zweiten Eingang in den mittleren Bereich gelangt.The mixer has a first input, a second input, an output, and a middle section located between the two inputs and the output. The first entrance is connected to a fresh air supply, so that fresh air reaches the central area via the first entrance. The second inlet is connected to a circulating air supply, so that circulating air enters the central area via the second inlet.

Im mittleren Bereich wird aus der zugeführten Umluft und aus der zugeführten Frischluft durch Mischung Zuluft generiert, die an den Ausgang des Mischers gelangt.In the middle area, supply air is generated from the supplied circulating air and from the supplied fresh air by mixing, which air reaches the outlet of the mixer.

Der mittlere Bereich des Mischers ist über eine Öffnung mit dem ersten Eingang verbunden. Die Öffnung bildet einen Übergangsbereich zwischen dem Eingang und dem mittleren Bereich, so dass die zugeführte Frischluft vom ersten Eingang über den Übergangsbereich zum mittleren Bereich geführt wird.The middle section of the mixer is connected to the first input via an opening. The opening forms a transition area between the entrance and the middle area, so that the supplied fresh air is guided from the first entrance via the transition area to the middle area.

Erfindungsgemäß beinhaltet der Übergangsbereich ein Profil mit einem Tragflächen-förmigen Querschnitt. Das Profil ist im Übergangsbereich derart angeordnet, dass die zugeführte Frischluft längs des Übergangsbereichs einen Unterdruck erzeugt, über den die Umluft verstärkt in den mittleren Bereich des Mischers eingesaugt wird.According to the invention, the transition area includes a profile with a cross-section shaped like an aerofoil. The profile is arranged in the transition area in such a way that the supplied fresh air generates a negative pressure along the transition area, through which the circulating air is drawn in more strongly into the middle area of the mixer.

Die vorliegende Erfindung beruht auf einer effizienten und neu gestalteten Einleitung von Frischluft in den Mischer.The present invention is based on an efficient and redesigned introduction of fresh air into the mixer.

Die eingeleitete Frischluft wird über ein Profil mit Tragflächen-Querschnitt in den Mischer geleitet, so dass längs des Profils ein Coanda-Effekt entsteht. Mit dem Begriff Coanda-Effekt wird die Tendenz einer Gasströmung bezeichnet, an einer konvexen Oberfläche des Tragflächen-förmigen Profils entlangzulaufen (anstatt sich davon abzulösen) und sich in einer ursprünglichen Fließrichtung beschleunigt weiterzubewegen. Im Zusammenspiel der am Tragflächenprofil entlang strömenden Frischluft und Umluft wird auf der Umluftseite des Mischers ein Unterdruck gebildet, durch den die Umluft dann verstärkt ins Innere des Mischers gesaugt wird (es wird also ein Injektor-Prinzip vorteilhaft angewendet).The incoming fresh air is fed into the mixer via a profile with an aerofoil cross-section, so that a Coanda effect is created along the profile. The term Coanda effect describes the tendency of a gas flow to run along a convex surface of the airfoil-shaped profile (instead of separating from it) and to move on accelerated in an original flow direction. The interaction of the fresh air and circulating air flowing along the wing profile creates a negative pressure on the circulating air side of the mixer, through which the circulating air then flows is increasingly sucked into the interior of the mixer (an injector principle is therefore advantageously used).

In einer bevorzugten Weiterbildung ist dem ersten Eingang des Mischers ein Frischlüfter vorgeschaltet. Der Frischlüfter saugt Frischluft an, beaufschlagt diese mit einem Druck und führt die mit Druck beaufschlagte Frischluft über den ersten Eingang des Mischers dem Mischer zu.In a preferred development, a fresh air fan is connected upstream of the first input of the mixer. The fresh air fan draws in fresh air, pressurizes it and supplies the pressurized fresh air to the mixer via the first inlet of the mixer.

Dadurch wird der auf der Umluftseite gebildete Unterdruck zusätzlich verstärkt.As a result, the negative pressure formed on the circulating air side is additionally increased.

In einer bevorzugten Weiterbildung ist der Frischlüfter als Seitenkanalverdichter ausgestaltet. Ein Seitenkanalverdichter weist bei einem geringen Volumenstrom einen hohen Druckgewinn und damit eine steile Kennlinie auf. Ein derartiger Seitenkanalverdichter überwindet problemlos Druckverluste und fördert die Frischluft effizient in den Mischer, um dessen Umluftansaugung zusätzlich zu unterstützen.In a preferred development, the fresh air fan is designed as a side channel compressor. With a low volume flow, a side channel blower has a high pressure gain and thus a steep characteristic curve. Such a side channel compressor easily overcomes pressure losses and efficiently conveys the fresh air into the mixer in order to additionally support its circulating air intake.

Durch die erfindungsgemäße Anordnung wird die Frischluft aerodynamisch effizient in den Mischer eingeleitet. Dadurch wird im Mischer eine kostengünstige und aufwandsarme Umluftansaugung realisiert, mit der etwaige Druckverluste in einer Anordnung zur Klimatisierung kompensiert werden.Due to the arrangement according to the invention, the fresh air is introduced into the mixer in an aerodynamically efficient manner. As a result, a cost-effective and low-effort circulating air intake is implemented in the mixer, with which any pressure losses in an air-conditioning arrangement can be compensated.

Die effiziente Einleitung der Frischluft in den Mischer unter Nutzung des "Coanda-Effekts" erzeugt im Mischer einen zusätzlichen Druckgewinn, der einer Klimatisierungsanordnung zu Gute kommt.The efficient introduction of the fresh air into the mixer using the "Coanda effect" creates an additional pressure gain in the mixer, which benefits an air conditioning arrangement.

Eine bislang benötigte zusätzliche Verwendung eines mechanischen Umlüfters oder ein in der Kapazität vergrößerter Zulüfter wird damit vermieden.A previously required additional use of a mechanical circulating fan or a supply fan with increased capacity is thus avoided.

Die vorliegende Erfindung bringt Vorteile im Gesamtwirkungsgrad der Klimatisierungsanordnung, da in Summe weniger elektrische Leistung zu deren Betrieb benötigt wird.The present invention brings advantages in terms of the overall efficiency of the air-conditioning arrangement, since overall less electrical power is required for its operation.

Die vorliegende Erfindung bringt Vorteile im benötigten Bauraum, da bislang benötigte Komponenten entfallen bzw. in ihrer Baugröße verkleinert ausgeführt werden können.The present invention brings advantages in terms of the required installation space, since components that were previously required are no longer required or can be made smaller in size.

Die vorliegende Erfindung bringt auch Vorteile in der Akustik, da der erfindungsgemäße Mischer keine beweglichen und damit Geräusch-verursachenden Bestandteile aufweist.The present invention also has advantages in terms of acoustics, since the mixer according to the invention has no moving components that cause noise.

Die vorliegende Erfindung verwendet einen Frischlüfter dazu, um Frischluft mit einem erhöhten Druck dem Mischer eingangsseitig zuzuführen. Dadurch wird die Förderung der Umluft in den Mischer unterstützt. Die Umluft wird dadurch verstärkt durch den Mischer angesaugt.The present invention uses a fresh air fan to supply fresh air at an increased pressure to the mixer on the input side. This supports the conveyance of the circulating air into the mixer. As a result, the circulating air is increasingly sucked in through the mixer.

Nachfolgend wird die vorliegende Erfindung beispielhaft anhand einer Zeichnung detailliert beschrieben.The present invention is described in detail below by way of example with reference to a drawing.

Dabei zeigt:

FIG 1
eine Ausgestaltung eines erfindungsgemäßen Mischers,
FIG 2
mit Bezug auf FIG 1 ein Detail des erfindungsgemäßen Mischers,
FIG 3
mit Bezug auf FIG 1 und FIG 2 eine vorteilhafte Erweiterung des erfindungsgemäßen Mischers,
FIG 4
ein Klimatisierungsschema eines Schienenfahrzeugs unter Verwendung des erfindungsgemäßen Mischers,
FIG 5
das in der Beschreibungseinleitung geschilderte erste Klimatisierungsschema gemäß dem Stand der Technik, und
FIG 6
das in der Beschreibungseinleitung geschilderte zweite Klimatisierungsschema gemäß dem Stand der Technik
FIG 1
zeigt eine Ausgestaltung des erfindungsgemäßen Mischers M11.
It shows:
FIG 1
an embodiment of a mixer according to the invention,
FIG 2
regarding FIG 1 a detail of the mixer according to the invention,
3
regarding FIG 1 and FIG 2 an advantageous extension of the mixer according to the invention,
FIG 4
an air conditioning scheme of a rail vehicle using the mixer according to the invention,
5
the first air conditioning scheme according to the prior art described in the introduction to the description, and
6
the second air-conditioning scheme according to the prior art described in the introduction to the description
FIG 1
shows an embodiment of the mixer M11 according to the invention.

Der Mischer M11 weist einen ersten Eingang E11, einen zweiten Eingang E12 sowie einen Ausgang A11 auf. Weiter weist der Mischer M11 einen zylinderförmigen mittleren Bereich B11 auf.The mixer M11 has a first input E11, a second input E12 and an output A11. The mixer M11 also has a cylindrical central area B11.

Dem Mischer M11 wird über den ersten Eingang E11 Frischluft FL und über den zweiten Eingang E12 Umluft UL zugeführt.The mixer M11 is supplied with fresh air FL via the first input E11 and circulating air UL via the second input E12.

Im zylinderförmigen mittleren Bereich B11 wird die Frischluft FL mit der Umluft UL gemischt und daraus eine Zuluft ZL generiert.In the cylindrical central area B11, the fresh air FL is mixed with the circulating air UL and an inlet air ZL is generated from this.

Der erste Eingang E11 ist als Röhre ausgebildet, die radial umlaufend an einer Außenseite AS11 des Mischers M11 angeordnet ist und sich entsprechend radial umlaufend in Richtung des mittleren Bereich B11 ins Innere des Mischers M11 öffnet.The first inlet E11 is designed as a tube which is arranged radially circumferentially on an outer side AS11 of the mixer M11 and correspondingly opens radially circumferentially in the direction of the middle region B11 into the interior of the mixer M11.

Diese Öffnung OF11 bildet somit einen umlaufenden Übergangsbereich UB11, der zwischen dem Eingang E11 und dem zylinderförmigen mittleren Bereich B11 angeordnet ist.This opening OF11 thus forms a peripheral transition area UB11, which is arranged between the entrance E11 and the cylindrical central area B11.

Der umlaufende Übergangsbereich UB11 beinhaltet ein Profil PR11, das einen Tragflächen-förmigen Querschnitt aufweist, der nachfolgend näher beschrieben wird.The circumferential transition area UB11 includes a profile PR11, which has an airfoil-shaped cross section, which is described in more detail below.

FIG 2 zeigt mit Bezug auf FIG 1 ein Detail des erfindungsgemäßen Mischers M11 in einer Schnittdarstellung. FIG 2 shows with reference to FIG 1 a detail of the mixer M11 according to the invention in a sectional view.

Der Tragflächen-förmige Querschnitt des Profils PR11 weist in Richtung der zugeführten Frischluft FL bzw. in Richtung des ersten Eingangs E11 eine konkave, d.h. nach innen gewölbte, Oberfläche OB11 auf.The airfoil-shaped cross section of the profile PR11 has a concave, i.e. inwardly curved, surface OB11 in the direction of the supplied fresh air FL or in the direction of the first inlet E11.

Der Tragflächen-förmige Querschnitt des Profils PR11 weist in Richtung der zugeführten Umluft UL bzw. in Richtung des zylinderförmigen mittleren Bereich B11 eine konvexe, d.h. nach außen gewölbte, Oberfläche OB12 auf.The airfoil-shaped cross section of the profile PR11 has a convex, ie outwardly curved, surface OB12 in the direction of the supplied circulating air UL or in the direction of the cylindrical middle region B11.

Die nach außen gewölbte Oberfläche OB12 des Profils PR11 ist gegenüber der Öffnung OF11 angeordnet und weist zu dieser einen (geringen) Luftspalt LS11 als Abstand auf.The outwardly curved surface OB12 of the profile PR11 is arranged opposite the opening OF11 and has a (small) air gap LS11 as a distance from it.

Der Übergangsbereich UB11 weist damit die Funktionalität eines Injektors auf:
Die zugeführte Frischluft FL bewirkt längs des Übergangsbereichs UB11 einen Unterdruck, über den die Umluft UL verstärkt in den Mischer M11 bzw. in dessen mittleren Bereich B11 eingesaugt wird.The transition area UB11 thus has the functionality of an injector:
The supplied fresh air FL causes a negative pressure along the transition area UB11, via which the circulating air UL is sucked into the mixer M11 or in its central area B11 to a greater extent.

Durch den Tragflächen-förmigen Querschnitt des Profils PR11 wird also Umluft-seitig ein Saugeffekt realisiert.Due to the airfoil-shaped cross section of the profile PR11, a suction effect is thus realized on the circulating air side.

FIG 3 zeigt mit Bezug auf FIG 1 und FIG 2 eine vorteilhafte Erweiterung des erfindungsgemäßen Mischers M11. 3 shows with reference to FIG 1 and FIG 2 an advantageous extension of the mixer M11 according to the invention.

Dabei ist dem ersten Eingang E11 des Mischers M11 ein Frischlüfter FRL vorgeschaltet. Der Frischlüfter saugt Frischluft FL an, beaufschlagt diese mit einem Druck und führt die mit Druck beaufschlagte Frischluft FL über den ersten Eingang E11 des Mischers M11 diese dem Mischer M11 zu.A fresh air fan FRL is connected upstream of the first input E11 of the mixer M11. The fresh air fan draws in fresh air FL, applies pressure to it and feeds the pressurized fresh air FL to the mixer M11 via the first input E11 of the mixer M11.

Der Frischlüfter FRL ist insbesondere als Seitenkanalverdichter ausgestaltet. Ein Seitenkanalverdichter weist bei einem geringen Volumenstrom einen hohen Druckgewinn und damit eine steile Kennlinie auf.The fresh air fan FRL is designed in particular as a side channel compressor. With a low volume flow, a side channel blower has a high pressure gain and thus a steep characteristic curve.

Dieser Seitenkanalverdichter überwindet problemlos Druckverluste und fördert Frischluft FL effizient in den Mischer M11, um dessen Umluftansaugung zusätzlich zu unterstützen.This side channel compressor easily overcomes pressure losses and efficiently conveys fresh air FL into the mixer M11 in order to additionally support its circulating air intake.

FIG 4 zeigt ein Klimatisierungsschema eines Schienenfahrzeugs unter Verwendung des erfindungsgemäßen Mischers M11. FIG 4 shows an air conditioning scheme of a rail vehicle using the mixer M11 according to the invention.

Dem Mischer M11 wird über einen ersten Eingang Frischluft FL und über einen zweiten Eingang Umluft UL zugeführt. Die Umluft UL stammt dabei aus einem Innenraum IR des Schienenfahrzeugs und wird mit Hilfe eines Kanalsystems KS2 dem Mischer M11 zugeführt. Die Frischluft FL wird aus dem äußeren Umfeld des Schienenfahrzeugs gewonnen und ebenfalls dem Mischer M11 zugeführt.The mixer M11 is supplied with fresh air FL via a first input and circulating air UL via a second input. The circulating air In this case, UL comes from an interior IR of the rail vehicle and is fed to the mixer M11 with the aid of a channel system KS2. The fresh air FL is obtained from the external environment of the rail vehicle and is also supplied to the mixer M11.

Durch den Mischer M11 wird die zugeführte Umluft UL mit der zugeführten Frischluft FL gemischt und daraus eine sogenannte Zuluft ZL generiert.The supplied circulating air UL is mixed with the supplied fresh air FL by the mixer M11 and a so-called supply air ZL is generated therefrom.

Die Zuluft ZL wird über einen Ausgang des Mischers M11 einem Klimagerät KLG und einem dem Klimagerät KLG nachgeschalteten Zulüfter ZUL zugeführt.The supply air ZL is fed via an output of the mixer M11 to an air conditioning device KLG and to a supply fan ZUL downstream of the air conditioning device KLG.

Durch das Klimagerät KLG wird die zugeführte Zuluft ZL klimatisiert bzw. in ihrer Temperatur reguliert. Mit Hilfe des nachgeschalteten Zulüfters ZUL wird die klimatisierte Zuluft ZL über ein Kanalsystem KS1 dem Innenraum IR des Schienenfahrzeugs zugeführt.The supplied supply air ZL is air-conditioned or its temperature regulated by the air-conditioning unit KLG. With the aid of the downstream supply fan ZUL, the conditioned supply air ZL is supplied to the interior IR of the rail vehicle via a duct system KS1.

Ein Teil der klimatisierten Luft kommt über das eingangs beschriebene Kanalsystem KS2 als Umluft UL vom Innenraum IR des Schienenfahrzeugs zum Mischer M zurück.Part of the conditioned air returns to the mixer M via the duct system KS2 described above as circulating air UL from the interior IR of the rail vehicle.

BezugszeichenlisteReference List

MM
Mischermixer
KLGCL
Klimagerätair conditioner
ZULPERMIT
Zulüftersupply fan
UMLUML
Umlüftercirculation fan
KS1KS1
Kanalsystemcanal system
KS2KS2
Kanalsystemcanal system
IRIR
Innnenraum eines SchienenfahrzeugsInterior of a rail vehicle
M11M11
Mischermixer
E11E11
erster Eingang des Mischers M11first input of mixer M11
E12E12
zweiter Eingang des Mischers M11second input of mixer M11
A11A11
Ausgang des Mischers M11Output of mixer M11
B11B11
mittlerer Bereich des Mischers M11middle section of mixer M11
FLFL
Frischluftfresh air
ULUL
Umluftcirculating air
ZLZL
Zuluftsupply air
AS11AS11
Außenseite des Mischers M11Outside of mixer M11
UB11UB11
Übergangsbereichtransition area
OF11OF11
Öffnung im Übergangsbereich UB11Opening in the transition area UB11
PR11PR11
Profilprofile
OB11OB11
konkave Oberfläche des Profils PR11concave surface of profile PR11
OB12OB12
konvexe Oberfläche des Profils PR11convex surface of profile PR11
LS11LS11
Luftspalt zwischen der konvexen Oberfläche OB12 und der Öffnung OF11Air gap between the convex surface OB12 and the opening OF11
FRLFRL
Frischlüfterfresh air

Claims (5)

  1. Mixer for use in an air conditioning assembly of a rail vehicle,
    - in which the mixer (M11) comprises a first inlet (E11), a second inlet (E12), an outlet (All) and a central area (B11), which is arranged between the two inlets (E11, E12) and the outlet (A11),
    - in which the first inlet (Ell) can be connected to a fresh air supply, so that fresh air (FL) reaches the central area (B11) via the first inlet (E11),
    - in which the second inlet (E12) can be connected to a circulating air supply, so that circulating air (UL) reaches the central area (B11) via the second inlet (E12),
    - wherein in the central area (B11) the circulating air (UL) delivered and fresh air (FL) are mixed to generate supply air (ZL), which passes to the outlet (All) of the mixer,
    - in which the central area (B11) of the mixer (M11) is connected via an opening (OF11) to the first inlet (Ell) and the opening (OF11) forms a transitional area (UB11) between the inlet (Ell) and the central area (B11), so that the fresh air delivered is fed from the first inlet (Ell) to the central area (B11) via the transitional area (UB11),
    - in which the transitional area (UB11) contains a profile (PR11) having an airfoil-shaped cross section,
    - in which the profile (PR11) is arranged in the transitional area (UB11) in such a way that the fresh air (FL) delivered generates a negative pressure along the transitional area (UB11) which boosts the induction of the circulating air (UL) into the central area (B11) of the mixer (M11), characterized in that
    - the central area (B11) of the mixer (M11) is cylindrical,
    - the first inlet (Ell) of the mixer (M11) is formed as a tube,
    - the tube is arranged radially to the circumference on the outside (AS11) of the mixer (M11),
    - the tube comprises the opening (OF11) which opens radially to the circumference in the direction of the central area (B11) and in the direction towards the interior of the mixer (M11) and which forms the circumferential transitional area (UB11), which is arranged between the inlet (Ell) and the cylindrical central area (B11).
  2. Mixer according to Claim 1,
    - in which the airfoil-shaped cross section of the profile (PR11) has a surface (OB11) curved inwardly in the direction of the fresh air (FL) delivered or in the direction of the first inlet (E11),
    - in which the airfoil-shaped cross section of the profile (PR11) has a surface (OB12) curved outwardly in the direction of the circulating air (UL) delivered or in the direction of the cylindrical central area (B11),
    - in which the outwardly curved surface (OB12) of the profile (PR11) is arranged opposite the opening (OF11) and is separated from this by an air gap (LS11).
  3. Mixer according to Claim 1, in which a fresh air fan (FRL) is connected to the inlet side of the first inlet (Ell) of the mixer (M11),so that fresh air (FL) drawn in by the fresh air fan (FRL) is pressurized before it reaches the first inlet (Ell) of the mixer (M11).
  4. Mixer according to Claim 3, in which the fresh air fan (FRL) is designed as a side-channel compressor.
  5. Assembly for the air-conditioning of a rail vehicle, having a mixer (M11) which is designed according to one of Claims 1 to 4,
    - in which the mixer is designed to generate supply air (ZL) from fresh air (FL), which is delivered to the mixer (M111) via a first inlet, and circulating air (UL), which is delivered to the mixer (M111) via a second inlet,
    - in which the mixer (M11) is connected on the outlet side to an air conditioning unit (KLG), so that the supply air is delivered to the air conditioning unit for conditioning and for regulation of the temperature,
    - in which a supply air fan (ZUL), via which the conditioned supply air passes via a ducting system (KS2) into the interior (IR) of the rail vehicle, is connected to the outlet side of the air conditioning unit (KLG), and
    - in which the interior (IR) of the rail vehicle is connected via a ducting system (KS2) to an inlet of the mixer (M11), so that at least a proportion of the conditioned supply air passes via a ducting system (KS2) from the interior (IR) to the second inlet of the mixer (M11) as circulating air.
EP19707297.8A 2018-03-15 2019-02-14 Mixer and assembly for air-conditioning a rail vehicle Active EP3749562B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018203986 2018-03-15
PCT/EP2019/053724 WO2019174848A1 (en) 2018-03-15 2019-02-14 Mixer and assembly for air-conditioning a rail vehicle

Publications (2)

Publication Number Publication Date
EP3749562A1 EP3749562A1 (en) 2020-12-16
EP3749562B1 true EP3749562B1 (en) 2022-03-30

Family

ID=65529656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19707297.8A Active EP3749562B1 (en) 2018-03-15 2019-02-14 Mixer and assembly for air-conditioning a rail vehicle

Country Status (6)

Country Link
US (1) US11414103B2 (en)
EP (1) EP3749562B1 (en)
CN (1) CN111867915B (en)
ES (1) ES2910408T3 (en)
RU (1) RU2742916C1 (en)
WO (1) WO2019174848A1 (en)

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB346904A (en) 1930-02-17 1931-04-23 Arthur Harvey Improvements relating to ventilators for railway carriages, omnibuses and other like vehicles
US2304151A (en) 1939-03-13 1942-12-08 Robert B P Crawford Air conditioning system
US2661676A (en) * 1948-01-21 1953-12-08 Farr Co Apparatus for maintaining predetermined atmospheric conditions in compartments
US3343473A (en) 1965-09-07 1967-09-26 Vapor Corp Air distribution system
US3434300A (en) * 1967-10-27 1969-03-25 Budd Co Air conditioning vaporizer
DE2405890A1 (en) * 1974-02-07 1975-08-14 Siemens Ag SIDE CHANNEL RING COMPRESSOR
DE2610108A1 (en) * 1976-03-11 1977-09-22 Messerschmitt Boelkow Blohm Ventilation system for rail vehicles - has double channel for fresh and recirculated air with interconnected mixing apertures
DE19847504C1 (en) * 1998-10-15 2000-11-16 Deutsche Bahn Ag Fresh and recycled air volume control method for air-conditioning unit for automobile passenger space regulates ratio of fresh and recycled air volumes in dependence on detected air quality and required air temperature
CN100473450C (en) * 2005-04-28 2009-04-01 株式会社日立高新技术 Fluid mixing apparatus
DE102006017004B3 (en) * 2006-04-11 2007-10-25 Airbus Deutschland Gmbh Device for mixing fresh air and heating air and use thereof in a ventilation system of an aircraft
US9725101B2 (en) * 2008-05-30 2017-08-08 Mitsubishi Electric Corporation Vehicle air-conditioning system
DE102011076456A1 (en) * 2011-05-25 2012-11-29 Siemens Aktiengesellschaft Apparatus for mixing a first and a second media stream of a flow medium
DE102012216045B4 (en) * 2012-09-11 2015-09-03 Konvekta Ag Air conditioning for cooling and / or heating an enclosed space
US20160106280A1 (en) * 2013-04-22 2016-04-21 Husqvarna Ab Vacuum attachment for a blower
AT514377B1 (en) * 2013-05-16 2018-06-15 Siemens Ag Oesterreich air outlet
EP2878466B1 (en) * 2013-11-28 2018-04-11 Mahle Behr France Rouffach S.A.S Air-conditioning system for a vehicle
DE102014105896B4 (en) * 2014-04-28 2023-03-30 Valeo Klimasysteme Gmbh Intake device of a vehicle air conditioning system
DE102015113785B4 (en) * 2015-08-20 2018-11-29 Halla Visteon Climate Control Corporation Cooling air interface in a fan housing
DE102015217245A1 (en) * 2015-09-09 2017-03-09 Mahle International Gmbh Air duct housing and a ventilation, heating or air conditioning with such air duct housing
RU160323U1 (en) * 2015-10-28 2016-03-10 Николай Джемалович Кикнадзе AIR CONDITIONING DEVICE FOR RAILWAY CAR
DE102016107227A1 (en) * 2016-04-19 2017-10-19 Dr. Schneider Kunststoffwerke Gmbh Air vents with a device for controlling an airflow
US10807726B2 (en) * 2017-03-20 2020-10-20 Goodrich Corporation Evacuation assembly aspirator

Also Published As

Publication number Publication date
RU2742916C1 (en) 2021-02-11
WO2019174848A1 (en) 2019-09-19
CN111867915B (en) 2023-01-20
US11414103B2 (en) 2022-08-16
CN111867915A (en) 2020-10-30
US20200406939A1 (en) 2020-12-31
ES2910408T3 (en) 2022-05-12
EP3749562A1 (en) 2020-12-16

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