EP3065993B1 - Verfahren zur klimatisierung eines fahrzeugs, insbesondere eines schienenfahrzeugs - Google Patents

Verfahren zur klimatisierung eines fahrzeugs, insbesondere eines schienenfahrzeugs Download PDF

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Publication number
EP3065993B1
EP3065993B1 EP14824394.2A EP14824394A EP3065993B1 EP 3065993 B1 EP3065993 B1 EP 3065993B1 EP 14824394 A EP14824394 A EP 14824394A EP 3065993 B1 EP3065993 B1 EP 3065993B1
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EP
European Patent Office
Prior art keywords
air
vehicle
interior space
air stream
conditioning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14824394.2A
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German (de)
English (en)
French (fr)
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EP3065993A1 (de
Inventor
Markus MEHLAN
Rainer Wichmann
Christian Scheurer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility GmbH
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Siemens Mobility GmbH
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Priority to PL14824394T priority Critical patent/PL3065993T3/pl
Publication of EP3065993A1 publication Critical patent/EP3065993A1/de
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Publication of EP3065993B1 publication Critical patent/EP3065993B1/de
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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

Definitions

  • the present invention relates to methods for air conditioning a vehicle, in particular a rail vehicle, according to claim 1. Furthermore, the invention relates to a corresponding vehicle, in particular a rail vehicle, with an interior, an air conditioning system and an additional air-conditioning device according to claim 10.
  • Known vehicle ventilation devices for vehicles generally have a fan, electric radiators, air inlet and outlet openings, control devices and a device housing. These devices have the disadvantage that the heated heating air is only blown out in one direction and the air distribution is only influenced by the geometry of the heated room.
  • Air conditioning systems are mostly used for air conditioning, which are either arranged in the roof space or on the roof of the vehicle or are located below the vehicle floor.
  • the conditioned air is usually fed into the interior of the vehicle through air ducts arranged in the roof of the vehicle and extending over the entire length of the vehicle, which are often designed as double air ducts with separate cooling and heating air ducts either arranged side by side or one above the other and of which the air either flows through outlet openings flows directly into the interior or in which the air is mixed in a separate mixing channel or in mixing chambers before flowing into the interior.
  • the known heating and ventilation systems in particular for rail vehicles, have proven to be disadvantageous in that the air distribution in the interior in certain problem areas, such as the entry areas, the end face areas and in the aisle, in particular in the separate heating mode, cooling mode or ventilation mode is very uneven, so that not every point in the interior is flowed through with approximately the same amount of air of the same quality.
  • the object of the invention is to provide a method or a vehicle of the type mentioned at the outset which improves the above-mentioned disadvantages and thereby enables simple, inexpensive and reliable air conditioning of the interior of a vehicle.
  • the present invention solves this problem on the basis of a method according to the preamble of claim 1 by the features specified in the characterizing part of claim 1. It further solves this problem on the basis of a vehicle according to the preamble of claim: 10 by the features specified in the characterizing part of claim: 10.
  • the present invention is based on the technical teaching that reliable air conditioning of the interior of a vehicle, in particular a rail vehicle, is made possible in a simple and inexpensive manner if a first air flow is generated by an air conditioning system, as a result of which the interior of the vehicle is cooled in a cooling mode is supplied as supply air and heated air is supplied as supply air in a heating mode, a second air flow generated by an additional air recirculation device being supplied to the interior of the vehicle in such a way that the second air flow influences the first air flow, in particular with regard to flow direction and flow intensity.
  • a first air flow is generated by an air conditioning system, as a result of which the interior of the vehicle is cooled in a cooling mode is supplied as supply air and heated air is supplied as supply air in a heating mode
  • a second air flow generated by an additional air recirculation device being supplied to the interior of the vehicle in such a way that the second air flow influences the first air flow, in particular with regard to flow direction and flow intensity.
  • the second air flow is supplied to the interior in such a way that a Coand for influencing the first air flow Air flow is generated, wherein in the area of the interior at least one inflow channel for supplying the second air flow into the interior as a convex Coand Inflow opening designed and arranged in the interior such that the first air flow after the Coand Effect is applied to surfaces in the interior such that the first air stream influenced by the second air stream is not directly in the seating areas of the interior arrives.
  • the first airflow the so-called Coand Effect are subjected, so that in particular the flow direction of the first air flow can follow that of the second air flow, whereby the immediate, often uncomfortable air conditioning of the seating areas of the interior can be avoided.
  • Coand -Effect is the name given to various phenomena that suggest a tendency of a gas jet to run along an air flow or, in particular, on a convex surface instead of becoming detached and moving on in the original direction of flow.
  • the inflow openings for the second air flow thus serve to generate the coand - Effect of the first air flow.
  • the second air flow leaves the inflow opening at a comparatively large angle due to the entrainment or deflection on the surface, so that a large proportion of the interior space can be air-conditioned evenly, in particular with heated air, which means, among other things, that a number of conventional air outlet openings are used to air-condition the interior space to be dispensed with.
  • a plurality of additional flow channels are arranged in the region of the interior in order to influence the first air flow by the second air flow, it being possible in any case to keep the cross section of these inflow channels small, which at least considerably reduces the structural outlay and thus the costs can be reduced.
  • a plurality of inflow openings for supplying the second air flow into the interior are arranged in the area of the interior.
  • thermal influencing of seat areas in the interior can be influenced by separating flows of the two air flows, the separating flows advantageously being generated by arranging additional flow-separating elements in the interior. It is perceived as pleasant that the releasing Currents have a lower flow velocity than the flow velocity of the first and second air flows.
  • a large proportion of the interior space is air-conditioned well and uniformly, and strong currents can be avoided in this way, in particular in the seating areas of seats, as a result of which the room climate, which is described as pleasant for most people, can be generated.
  • At least one inflow opening is arranged in the area of a footwell, with additionally or alternatively at least one inflow opening being arranged in the wall area.
  • the inflow openings can have individually adjustable nozzles, as a result of which, for example, an increased flow speed can be set in the footwell. In this way it can be ensured that the air conditioning can be individually adapted to the thermal needs of a single person inside.
  • a plurality of outflow ducts are arranged in the region of the interior for at least partially deriving the first airflow and the second airflow from the interior, preferably at least one outflow opening from the interior of an outflow duct being arranged below a disk.
  • the object of the invention is also achieved by a vehicle, in particular a rail vehicle, having an interior, an air conditioning system and an additional air-conditioning device, according to claim 13, wherein the air-conditioning system supplies the interior with a first air flow and the air-conditioning device supplies the interior with a second air flow, the second air flow is supplied to the interior of the vehicle in such a way that the second air flow influences the first air flow, in particular with regard to flow direction and flow intensity.
  • the Figures 1 and 2 show a preferred embodiment of a vehicle 100 according to the invention in the form of a vehicle driver's compartment of a rail vehicle in which a preferred embodiment of the method according to the invention for air conditioning a vehicle 100 can be carried out.
  • the vehicle 100 has an interior 110 with a floor area 112, a ceiling area 114 and wall areas 116.
  • a circulating air device 130 preferably a circulating air heater, is arranged under a driver table 120 as a component of an air conditioning device 140.
  • the air conditioning device 140 further comprises an air conditioning system (not shown in detail), as well as a first flow channel 142 arranged between the ceiling area 114 and a roof 150 of the vehicle 100 and a second flow channel 142 arranged in the area of the driver's table 120, the second flow channel 142 starting from a Exhaust opening 132 arranged below a pane 160 extends from the interior 110 to the recirculating air device 130, which is arranged below the driving table 120.
  • Another third flow channel 146 opens out from the air recirculation device 130 on the one hand in a first inflow opening 134 in a foot region 122 of the interior 110 and on the other in a second inflow opening 136 in a seat area 172 of a seat 170.
  • the interior 110 can also be provided for the transport of passengers, in which case no driver's table 120 would be installed, but a plurality of seats 170 and seating areas 172 would be present in the interior 110.
  • the air conditioning system is used to control the interior 110, controlled by a control device, in accordance with a predetermined temperature setpoint by supplying appropriately conditioned supply air. It goes without saying, however, that in other variants of the invention, regulation can also take place which, in addition to the temperature setpoint, has one or more setpoints of other sizes, such as, for. B. humidity, odor pollution, etc.
  • the air conditioning system as a compact unit comprises all the conditioning (heating, cooling, filtering, dehumidifying, etc.) devices for the first air stream 180 and all the devices for conveying (fans, etc.) the first air stream 180.
  • any other, in particular distributed arrangement of these components can be provided in or on the vehicle 100.
  • the air-conditioning unit sucks in fresh air from the surroundings of the vehicle 100, if necessary, and mixes it in a suitable ratio with a first part of the exhaust air extracted from the interior 110, which is returned to the air-conditioning system as recirculated air.
  • the first air stream 180 thus obtained is conditioned in the air conditioning system in accordance with the target specifications and is supplied to the interior 110 as the first air stream 180.
  • the air conditioning system has a cooling mode as an operating mode, in which a correspondingly cooled first air stream 180 is supplied as supply air to the interior 110 for cooling.
  • a further operating mode it also has a heating mode in which the interior 110 is used for heating a correspondingly heated first air stream 180 is supplied.
  • the vehicle has the air recirculation device 130, which is preferably a air recirculation heater.
  • the interior 110 can thus be air-conditioned in addition to the air-conditioned first air stream 180 via a second air stream 190 generated by the air recirculation device 130, the second air stream 190 generated by the additional air recirculation device being supplied to the interior 110 of the vehicle 100 such that the second air stream 190 influences the first air flow 180, in particular with regard to the flow direction and flow intensity. In this way it is possible to keep the construction costs for the air conditioning of the interior low.
  • a plurality of additional flow channels 142, 144, 146 are arranged in the area of the interior 110 for the supply of the second air stream 190 into the interior 110 and the removal or suction of the two combined air streams 180, 190 from the interior 110, in which case there is it is particularly advantageous that the cross section of these flow channels 142, 144, 146 can be kept small, as a result of which the costs and the structural outlay can be reduced.
  • the second air flow 190 is fed into the interior 110 both in heating mode and in cooling mode essentially via a first inflow opening 134 in the foot area 122 of the interior 110 and via a second inflow opening 136 in the seat area 172 of a seat 170 in particular, it is possible to supply the second air flow 190 to the interior 110 via the permanently installed inflow openings 134, 136, as a result of which costly air supply ducts for separate heating systems or fans can be saved.
  • the second air flow 190 is supplied to the interior 110 such that a coand -Air flow is generated. In this way, it is possible to direct the first air stream 180 to the so-called Coand - Submit effect so that in particular, the flow direction of the first air flow 180 follows that of the second air flow 190.
  • a plurality of inflow openings 134, 136 for supplying the second air flow 190 to the interior 110 are arranged in the region of the interior 110, wherein in a particularly advantageous embodiment at least one inflow opening 134, 136 is in the interior 110 as a coand Inflow opening designed and thus arranged in the interior 110 such that the first air stream 180 bears against the second air stream 190 or at surfaces in the interior 110, as a result of which an immediate, often uncomfortable air conditioning of the seat areas 172 in the interior 110 can be avoided ,
  • the second air flow 190 leaves the inflow openings 134, 136 into the interior 110 due to the entrainment or deflection on the surface at a comparatively large angle, so that a large proportion of the interior 110 space can be air-conditioned uniformly with air, in particular with heated air, which among other things the use of several conventional air outlet openings for air conditioning the interior 110 can be dispensed with.
  • the inflow openings 134, 136 into the interior 110 can have individually adjustable nozzles (not shown), as a result of which, for example, an increased flow velocity in the footwell 122 could be set. It is thus possible for a person located in the interior 110 to regulate the air conditioning of the interior 110 or individual areas of the interior 110 individually via these nozzles, depending on their own thermal comfort.
  • thermal influencing of the seat areas 172 in the interior 110 can be influenced by separating flows of the two air streams 180, 190, the separating flows advantageously being generated by additional flow-separating elements in the interior 110 (not shown) are arranged. It is perceived as pleasant that the separating flows have a lower flow speed than the flow speed of the first air flow 180 and the second air flow 190. In this way, a large proportion of the space in the interior 110 can be air-conditioned well and evenly, particularly in the seating areas 172 the seats 170 strong currents can be avoided in order to create a room climate which is described as pleasant for most people.
  • At least one inflow opening 134 is arranged in the area of a footwell 122, wherein additionally or alternatively at least one inflow opening 136 is also arranged in the wall area 116.
  • the removal or suction of the two combined air streams 180, 190 from the interior 110 takes place at least partially via a plurality of outflow openings 132 and flow channels 144, 146, an outflow opening 132 from the interior 110 preferably being arranged below a disk 160.
  • the discharged air flow 180, 190 is then fed via the second flow duct 144 to the circulating air device 130, which processes the supplied air flow 180, 190 and feeds a new second air flow 190 to the interior 110 via the third flow duct 146 and the first and second inflow openings 134, 136.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP14824394.2A 2013-12-20 2014-12-12 Verfahren zur klimatisierung eines fahrzeugs, insbesondere eines schienenfahrzeugs Active EP3065993B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14824394T PL3065993T3 (pl) 2013-12-20 2014-12-12 Sposób klimatyzacji pojazdu, w szczególności pojazdu szynowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013227001.1A DE102013227001A1 (de) 2013-12-20 2013-12-20 Verfahren zur Klimatisierung eines Fahrzeugs, insbesondere eines Schienenfahrzeugs
PCT/EP2014/077542 WO2015091257A1 (de) 2013-12-20 2014-12-12 Verfahren zur klimatisierung eines fahrzeugs, insbesondere eines schienenfahrzeugs

Publications (2)

Publication Number Publication Date
EP3065993A1 EP3065993A1 (de) 2016-09-14
EP3065993B1 true EP3065993B1 (de) 2020-02-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14824394.2A Active EP3065993B1 (de) 2013-12-20 2014-12-12 Verfahren zur klimatisierung eines fahrzeugs, insbesondere eines schienenfahrzeugs

Country Status (5)

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EP (1) EP3065993B1 (pl)
DE (1) DE102013227001A1 (pl)
ES (1) ES2782949T3 (pl)
PL (1) PL3065993T3 (pl)
WO (1) WO2015091257A1 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3101021B1 (fr) * 2019-09-19 2021-12-17 Alstom Transp Tech Voiture de transport de voyageurs comprenant au moins un ventilateur chauffant, véhicule et procédé d’ajustement de la température de l’air associé
DE102022209310A1 (de) 2022-09-07 2024-03-07 Siemens Mobility GmbH Anordnung und Verfahren zur Klimatisierung eines Führerraums eines Schienenfahrzeugs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343473A (en) * 1965-09-07 1967-09-26 Vapor Corp Air distribution system
US3653589A (en) * 1970-07-27 1972-04-04 Carrier Corp Air conditioning system
DE2167247C2 (de) * 1971-11-22 1981-12-10 Ltg Lufttechnische Gmbh, 7000 Stuttgart Anordnung von Luftauslässen zum Lüften eines Raumes
DE3302424C2 (de) * 1983-01-26 1985-03-21 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Einrichtung zum Klimatisieren eines Fahrgastraumes
AU641327B1 (en) * 1992-10-27 1993-09-16 Kawasaki Jukogyo Kabushiki Kaisha Ventilating apparatus for conveyance
DE10304272B4 (de) 2003-02-03 2006-10-12 Siemens Ag Verfahren zum Klimatisieren des Innenraumes eines Fahrzeuges
ITTO20031008A1 (it) * 2003-12-16 2005-06-17 Fiat Ricerche Sistema di distribuzione di aria per una plancia di autoveicolo e plancia di autoveicolo comprendente tale sistema.
FR2918608B1 (fr) * 2007-07-13 2011-03-25 Alstom Transport Sa Systeme de climatisation de l'habitacle d'un vehicule ferroviaire, vehicule ferroviaire correspondant, et procede de climatisation
DE102008008586A1 (de) * 2008-02-12 2009-08-13 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug mit einer Klima- bzw. Lüftungsanlage
DE102009025299A1 (de) * 2009-06-15 2010-12-16 Bombardier Transportation Gmbh Schienenfahrzeug mit einer Klimatisierungseinrichtung
DE102012008264A1 (de) * 2012-04-25 2013-10-31 Airbus Operations Gmbh Passagierservicesystem mit verbesserter Luftführung

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE102013227001A1 (de) 2015-06-25
EP3065993A1 (de) 2016-09-14
ES2782949T3 (es) 2020-09-16
PL3065993T3 (pl) 2020-08-24
WO2015091257A1 (de) 2015-06-25

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