EP3065993A1 - Method for air conditioning a vehicle, in particular a rail vehicle - Google Patents
Method for air conditioning a vehicle, in particular a rail vehicleInfo
- Publication number
- EP3065993A1 EP3065993A1 EP14824394.2A EP14824394A EP3065993A1 EP 3065993 A1 EP3065993 A1 EP 3065993A1 EP 14824394 A EP14824394 A EP 14824394A EP 3065993 A1 EP3065993 A1 EP 3065993A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- interior
- vehicle
- flow
- air flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000001143 conditioned effect Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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 of 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 conditioner and an additional recirculation device according to claim 13.
- 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 blown out only in one direction and only by the geometry of the heated space influencing the air distribution takes place.
- the known heating and ventilation systems in particular for rail vehicles have proven to be inadequate in that the air distribution in the interior in certain problem areas, such as the entry areas, the front side areas and in the aisle, especially in separate heating, cooling or ventilation operation sometimes is very uneven, so that not every arbitrary point of 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 above, which improves the abovementioned disadvantages and thereby enables a simple, cost-effective and reliable air conditioning of the interior of a vehicle.
- the present invention solves this problem starting from a method according to the preamble of claim 1 by the features stated in the characterizing part of claim 1. It solves this problem further starting from a vehicle according to the preamble of claim 13 by the features stated in the characterizing part of claim 13.
- the present invention is based on the technical teaching that a reliable air conditioning of the interior of a vehicle, in particular a rail vehicle, is made possible in a simple and cost-effective manner when a first air flow is generated by an air conditioning system, whereby the interior of the vehicle in a cooling operation cooled air is supplied as supply air and in a heating operation heated air is supplied as supply air, wherein a second air flow generated by an additional recirculation device is supplied to the interior of the vehicle such that the second air flow influences the first air flow, in particular with respect to flow direction and Strömungsintensi - it.
- a reliable air conditioning of the interior of a vehicle is generated by an air conditioning system
- a cooling operation cooled air is supplied as supply air
- heated air is supplied as supply air
- a second air flow generated by an additional recirculation device is supplied to the interior of the vehicle such that the second air flow influences the first air flow, in particular with respect to flow direction and Strömungsintensi - it.
- a plurality of additional flow channels are arranged to influence the first air flow through the second air flow in the region of the inner space, it being possible in any case to keep the cross section of these inflow channels small, whereby the structural complexity is at least significantly reduced and thus the costs can be reduced.
- the second air flow is supplied to the interior such that a Coanda air flow is generated to influence the first air flow.
- the first air flow can be subjected to the so-called Coanda effect, so that in particular the flow direction of the first air flow can follow that of the second air flow.
- coanda effect refers to various phenomena which suggest a tendency of a gas jet to run along an air flow or on a particularly convex surface, instead of detaching and moving on in the original flow direction.
- a plurality of inlet openings for supplying the second air stream are arranged in the interior, wherein in a particularly preferred embodiment, at least one inflow opening designed as Coanda inlet opening and arranged in the interior, that the first air flow to the second air flow, or applies to surfaces in the interior, whereby an immediate, often perceived as unpleasant air conditioning of the seating areas of the interior can be avoided.
- the inflow openings for the second air flow thus serve to generate the Coandä effect subjected first air flow, wherein a convex shaped Coanda inlet opening supports the formation of the Coanda effect.
- the second air stream leaves the inlet opening due to the entrainment or deflection at the surface comparatively large angle, so that a large proportion of the interior space can be uniformly air-conditioned, especially with heated air, which, inter alia, to use a plurality of conventional air outlet for air conditioning of the interior be waived.
- a thermal influence of seating areas in the interior can be influenced by separating flows of the two air streams, wherein advantageously the detaching flows are generated by the fact that additional flow-releasing elements are arranged in the interior. It is perceived as pleasant that the detaching flows have a lower flow velocity than the flow mung velocity of the first and second air flow.
- At least one inflow opening is arranged in the region of a footwell, wherein additionally or alternatively, at least one inflow opening is arranged in the wall area.
- the inlet openings may have individually adjustable nozzles, whereby, for example, an increased flow velocity in the footwell is adjustable. In this way it can be ensured that the air conditioning can be adapted individually to the thermal needs of a single person located in the interior.
- a plurality of AusStrömkanälen for at least partially diverting the first air flow and the second air flow from the interior are arranged in the region of the interior, wherein preferably at least one outflow opening from the interior of a AusStrömkanals is arranged below a disc.
- 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 circulating air device, according to patent claim 13, wherein the air conditioning system supplies a first air flow to the interior and the circulating air device supplies a second air flow to the interior, wherein 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 the flow direction and flow intensity.
- FIG. 1 shows a schematic side view of an air circulation in a driver's compartment of a rail vehicle when using a method according to the invention for the air conditioning of a vehicle interior, in particular of a rail vehicle;
- FIG. 1 and 2 show a preferred embodiment of a vehicle 100 according to the invention in the form of a driver's compartment of a rail vehicle in which a preferred embodiment of the method according to the invention for air conditioning of a vehicle 100 can be performed.
- the vehicle 100 has an interior space 110 with a floor area 112, a ceiling area 114 and wall areas 116.
- a circulating air unit 130 preferably a circulating air heater, is arranged as a component of an air conditioning unit 140.
- the air-conditioning device 140 further comprises an air conditioning system, not shown in detail, and a first flow channel 142 arranged between the ceiling region 114 and a roof 150 of the vehicle 100 and a second flow channel 142 arranged in the region of the guide table 120, the second flow channel 142 starting from a arranged below a disc 160 outflow opening 132 from the interior 110 to the recirculation unit 130, which is arranged below the guide table 120 extend.
- Another third flow channel 146 opens, starting from the recirculation unit 130, on the one hand in a first inflow opening 134 in a foot region 122 of the interior 110 and on the other hand in a second inflow opening 136 in a seating area 172 of a seat 170.
- the inner space 110 can also be provided for transporting passengers, in which case no guide table 120 would be installed, but a plurality of seats 170 and seating areas 172 would be present in the inner space 110.
- the air conditioning unit is used, conditioned by a control device to air-condition the interior 110 in accordance with a predetermined temperature setpoint by supplying corresponding conditioned supply air. It is understood, however, that in other variants of the invention, a control can be carried out, in addition to the temperature setpoint one or more setpoints of other sizes, such. As humidity, odor pollution, etc., uses.
- the air conditioning system as a compact unit includes all means for conditioning (heating, cooling, filtering, dehumidification, etc.) of the first air flow 180 and all means for promoting (fans, etc.) of the first air flow 180. It is understood, however, that in other variants
- the invention may also be any other, in particular distributed in any way arrangement of these components in or on the vehicle 100 may be provided.
- the air-conditioning unit For air-conditioning the interior 110, the air-conditioning unit optionally aspirates fresh air from the surroundings of the vehicle 100 and, if appropriate, mixes these in a suitable ratio with a first part of the exhaust air extracted from the interior 110, which is recirculated back to the air-conditioning system as circulating air.
- the first air stream 180 thus obtained is conditioned in the air conditioning system in accordance with the desired specifications and supplied to the interior 110 as the first air flow 180.
- the air conditioning system has a cooling mode as an operating mode, in which the interior 110 is supplied with a correspondingly cooled first air flow 180 as supply air for cooling purposes.
- a further operating mode it has a heating operation in which the interior 110 is heated to a correspondingly heated first air flow 180 is supplied.
- the vehicle has the recirculation unit 130, which is preferably a circulating air heater.
- the air conditioning of the interior 110 can thus take place in addition to the air-conditioned first air flow 180 via a second air flow 190 generated by the recirculation unit 130, wherein the second air flow 190 generated by the additional recirculation unit 190 is supplied to the interior 110 of the vehicle 100 such that the second air flow 190 influenced the first air flow 180 in particular with regard to flow direction and flow intensity. In this way it is possible to keep the construction costs for the air conditioning of the interior space low.
- Flow channels 142, 144, 146 arranged it is particularly advantageous that the cross-section of these flow channels 142, 144, 146 can be kept small, whereby the cost and structural complexity can be reduced.
- the supply of the second air stream 190 into the inner space 110 takes place in the example shown both in heating mode and in cooling mode essentially via a first inflow opening 134 in the foot area 122 of the inner space 110 and via a second inflow opening 136 in the seat area 172 of a seat
- the second airflow 190 is supplied to the inner space 110 in such a way that a Coanda air flow is generated.
- the first air flow 180 it is possible to subject the first air flow 180 to the so-called Coanda effect, so that in particular, the flow direction of the first air flow 180 of the second air flow 190 follows.
- a plurality of inflow openings 134, 136 for supplying the second air flow 190 into the interior 110 are arranged in the area of the interior 110, wherein in a particularly advantageous embodiment at least one inflow opening 134, 136 into the interior 110 as Coanda Designed inlet opening and thus arranged in the interior 110 so that the first air flow 180 to the second air flow 190, or surfaces in the interior 110 creates, thereby avoiding an immediate, often perceived as unpleasant air conditioning of the seating areas 172 in the interior 110 can be.
- the second air flow 190 leaves the inflow openings 134, 136 in the interior 110 due to the entrainment or deflection at the surface comparatively large angle, so that a large proportion of the interior space 110 can be uniformly air-conditioned, in particular heated air, whereby, inter alia a use of several conventional air outlet openings for air conditioning of the interior 110 can be dispensed with.
- the inflow openings 134, 136 into the inner space 110 individually adjustable nozzles (not shown), whereby, for example, an increased flow velocity in the footwell 122 would be adjustable.
- the air conditioning of the interior 110, or individual areas of the interior 110 can individually regulate these nozzles.
- a thermal influence of the seating areas 172 in the inner space 110 can be caused by detaching flows of the two
- Air flows 180, 190 are influenced, wherein advantageously the detaching flows are generated by the fact that in the interior 110 additional flow-releasing elements (not shown), are arranged. It is perceived as pleasant that the detaching flows have a lower flow velocity than the flow rate of the first air flow 180 and the second air flow 190. In this way, a large proportion of the interior space 110 can be air conditioned well and evenly, in particular to the Sitting areas 172 of the seats 170 strong currents can be avoided to produce a for most people described as pleasant indoor climate.
- At least one inflow opening 134 is arranged in the region of a footwell 122, wherein additionally or alternatively, at least one inflow opening 136 is arranged in the wall area 116.
- the removal, or the suction of the two merged 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, wherein preferably an outflow opening 132 from the interior 110 below a
- Disc 160 is arranged.
- the discharged air stream 180, 190 is then fed via the second flow channel 144 to the recirculation unit 130, which processes the supplied air stream 180, 190 and supplies a new second air stream 190 to the inner space 110 via the third flow channel 146 and the first and second inflow openings 134, 136.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14824394T PL3065993T3 (en) | 2013-12-20 | 2014-12-12 | Method for air conditioning a vehicle, in particular a rail vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013227001.1A DE102013227001A1 (en) | 2013-12-20 | 2013-12-20 | Method for air conditioning a vehicle, in particular a rail vehicle |
PCT/EP2014/077542 WO2015091257A1 (en) | 2013-12-20 | 2014-12-12 | Method for air conditioning a vehicle, in particular a rail vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3065993A1 true EP3065993A1 (en) | 2016-09-14 |
EP3065993B1 EP3065993B1 (en) | 2020-02-05 |
Family
ID=52292867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14824394.2A Active EP3065993B1 (en) | 2013-12-20 | 2014-12-12 | Method for air conditioning a vehicle, in particular a rail vehicle |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3065993B1 (en) |
DE (1) | DE102013227001A1 (en) |
ES (1) | ES2782949T3 (en) |
PL (1) | PL3065993T3 (en) |
WO (1) | WO2015091257A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3101021B1 (en) * | 2019-09-19 | 2021-12-17 | Alstom Transp Tech | Passenger transport car comprising at least one heating fan, vehicle and associated air temperature adjustment method |
DE102022209310A1 (en) | 2022-09-07 | 2024-03-07 | Siemens Mobility GmbH | Arrangement and method for air conditioning a driver's compartment of a rail vehicle |
Family Cites Families (11)
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 (en) * | 1971-11-22 | 1981-12-10 | Ltg Lufttechnische Gmbh, 7000 Stuttgart | Arrangement of air outlets to ventilate a room |
DE3302424C2 (en) * | 1983-01-26 | 1985-03-21 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Device for air conditioning a passenger compartment |
AU641327B1 (en) * | 1992-10-27 | 1993-09-16 | Kawasaki Jukogyo Kabushiki Kaisha | Ventilating apparatus for conveyance |
DE10304272B4 (en) | 2003-02-03 | 2006-10-12 | Siemens Ag | Method for conditioning the interior of a vehicle |
ITTO20031008A1 (en) * | 2003-12-16 | 2005-06-17 | Fiat Ricerche | AIR DISTRIBUTION SYSTEM FOR A DASHBOARD OF MOTOR VEHICLES AND DASHBOARD INCLUDING SUCH A SYSTEM. |
FR2918608B1 (en) * | 2007-07-13 | 2011-03-25 | Alstom Transport Sa | AIR CONDITIONING SYSTEM OF A RAILWAY VEHICLE, CORRESPONDING RAILWAY VEHICLE, AND AIR CONDITIONING METHOD |
DE102008008586A1 (en) * | 2008-02-12 | 2009-08-13 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle with an air conditioning or ventilation system |
DE102009025299A1 (en) * | 2009-06-15 | 2010-12-16 | Bombardier Transportation Gmbh | Rail vehicle with an air conditioning device |
DE102012008264A1 (en) * | 2012-04-25 | 2013-10-31 | Airbus Operations Gmbh | Passenger service system with improved airflow |
-
2013
- 2013-12-20 DE DE102013227001.1A patent/DE102013227001A1/en not_active Ceased
-
2014
- 2014-12-12 PL PL14824394T patent/PL3065993T3/en unknown
- 2014-12-12 WO PCT/EP2014/077542 patent/WO2015091257A1/en active Application Filing
- 2014-12-12 ES ES14824394T patent/ES2782949T3/en active Active
- 2014-12-12 EP EP14824394.2A patent/EP3065993B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102013227001A1 (en) | 2015-06-25 |
EP3065993B1 (en) | 2020-02-05 |
PL3065993T3 (en) | 2020-08-24 |
WO2015091257A1 (en) | 2015-06-25 |
ES2782949T3 (en) | 2020-09-16 |
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