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EP2977288B1 - Boîte de distribution d'air et véhicule ferroviaire associé - Google Patents

Boîte de distribution d'air et véhicule ferroviaire associé Download PDF

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Publication number
EP2977288B1
EP2977288B1 EP14178247.4A EP14178247A EP2977288B1 EP 2977288 B1 EP2977288 B1 EP 2977288B1 EP 14178247 A EP14178247 A EP 14178247A EP 2977288 B1 EP2977288 B1 EP 2977288B1
Authority
EP
European Patent Office
Prior art keywords
distribution box
return
air distribution
supply
air
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.)
Not-in-force
Application number
EP14178247.4A
Other languages
German (de)
English (en)
Other versions
EP2977288A1 (fr
Inventor
György Kalman
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.)
Alstom Transportation Germany GmbH
Original Assignee
Bombardier Transportation GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bombardier Transportation GmbH filed Critical Bombardier Transportation GmbH
Priority to EP14178247.4A priority Critical patent/EP2977288B1/fr
Publication of EP2977288A1 publication Critical patent/EP2977288A1/fr
Application granted granted Critical
Publication of EP2977288B1 publication Critical patent/EP2977288B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

  • This invention relates to an interface between a heating, ventilation and/or air conditioning (HVAC) unit located outside a rail vehicle and the inside of the rail vehicle, in particular a passenger area of the rail vehicle.
  • HVAC heating, ventilation and/or air conditioning
  • a prior art air distribution box according to the preamble of claim 1 is known from DE-A1-10 2011 009 578 .
  • KR100791448 discloses a ventilation system for a building, which includes a ventilation unit connected to a ducting inside the building via a box-like structure, which defines a split chamber.
  • a partition wall extends in the split chamber from an upper part to a lower part to divide the split chamber into an air supply chamber and an exhaust chamber.
  • At least two or more air supply ducts are connected with the air supply chamber.
  • At least one or more exhaust ducts are connected with the exhaust chamber.
  • a plurality of air supply ports are connected with the air supply ducts to supply external air into a room.
  • a plurality of exhaust ports are connected with the exhaust chamber to exhaust polluted air from the room to the outside.
  • the air supply ducts and the exhaust duct are formed so as not to cross each other in a ceiling to prevent generation of an overlapped part.
  • the supply exhaust ports connecting the box-like structure with the ducting on the one hand and those connecting the box-like structure with the ventilation unit on the other hand are located on opposite sides of the box-like structure. Such a structure, however, is not adapted to a rail vehicle.
  • an air distribution box for directing supply air from an HVAC unit located outside a car body of a rail vehicle to a passenger area inside the car body and for directing return air from the passenger area to the HVAC unit, the box having at least a top wall, a bottom wall, front, rear and side walls, wherein the box is provided with one or more return air ducts extending between one or more return inlets through at least one of the front, rear and side walls of the box and one or more return outlets through the top wall of the box, one or more supply inlets through the top wall of the box and one or more supply outlets through at least one of the front, rear and side walls, wherein the top wall, bottom wall, front, rear and side walls of the box define a supply air path between the supply inlet and the supply outlet and the supply air path surrounds the one or more return air ducts.
  • No ducts are used to direct the supply air to the supply air outlets and as a result space is saved and the construction simplified.
  • the box is able to withstand the internal
  • the one or more return outlets may include at least two opposite return outlets located on opposite sides of a vertical median plane of the air distribution box, and preferably on opposite side of a vertical longitudinal median plane.
  • the one or more return ducts may include at least two return ducts located on opposite sides of a vertical median plane, preferably a vertical longitudinal median plane, of the air distribution box and extending parallel to the median plane.
  • the one or more return ducts may comprise at least one return duct located on a vertical median plane, preferably a vertical longitudinal median plane, of the air distribution box and extending in a longitudinal direction of the air distribution box.
  • At least one of the return ducts may include a L-shaped or T-shaped portion between the return inlet and return outlet.
  • the one or more return inlets may include at least two opposite return inlets through two respective opposite walls from the front, rear and side walls, the two opposite return inlets being connected to a common return duct.
  • the two opposite walls are preferably the front and rear walls.
  • the one or more return inlets may all be located on a single wall or on two opposite walls from the front, rear and side walls, preferably on the front and/or rear walls.
  • the one or more supply outlets may all be located on a single wall or on two opposite walls from the front, rear and side walls, preferably on the front and/or rear walls.
  • At least one of the inlets or outlets can be closed with a plug if in a particular configuration it is not needed.
  • the bottom wall preferably includes a trapdoor.
  • At least one of the bottom wall and front, rear, and side walls may include through holes to supply air in the passenger area.
  • the top wall may include a recess extending between two opposite walls from the front, rear and side walls, which can be used as a passage for electrical cables.
  • an additional heat exchange effect may be achieved if the supply air and return air have different temperatures. This heat exchange effect may or may not be desired. It can be enhanced if the exchange surface of the return duct is increased, e.g. if the duct is corrugated. It can be minimised if the return duct is provided with a heat insulation coating.
  • a rail vehicle comprising a vehicle body, a HVAC unit located on a roof of the vehicle body and supply and return passageways between the HVAC unit and an air distribution box as described hereinbefore, located in a ceiling above a passenger area inside the vehicle body, wherein the one or more supply inlets and the one or more return outlets of the air distribution box are connected to the supply and return passageways, respectively.
  • the one or more supply outlets of the air distribution box are preferably connected to a supply ducting of the vehicle body.
  • the one or more return inlets of the air distribution box are preferably connected to a return ducting of the vehicle body.
  • the top wall of the air distribution box may include a recess extending between two opposite walls from the front, rear and side walls, and the rail vehicle further comprises electric cables extending through the recess.
  • a rail vehicle 10 comprises a vehicle body 12, a HVAC unit 14 located on a roof 16 of the vehicle body and supply (18) and return (20) passageways between the HVAC unit and an inside 22 of the vehicle body 12.
  • An air distribution box 24 is located in a ceiling 25 above a passenger area 26 of the vehicle body 12, directly below the HVAC unit 14, and fixed to the roof structure 16 via attachment brackets 28.
  • the air distribution box 24 is connected to the supply (18) and return (20) passageways for directing supply air from the HVAC unit 14 through the roof 16 to the passenger area 26 and for directing return air from the passenger area 26 to the HVAC unit 14.
  • the air distribution box 24 which is illustrated in more detail in Figs. 2 to 5 , has the general shape of a cuboid with a top wall 30, a bottom wall 32, a front wall 34, a rear wall 36 and side walls 38, 40.
  • the top wall 30 has a longitudinal recess 42, which extends from the front wall 34 to the rear wall 36 at mid distance between the side walls 38, 40, and forms a cable duct to accommodate electrical cables 44.
  • the top wall 30 is provided with two supply inlets 46 symmetrically located on two sides of a median longitudinal vertical plane 100 of the air distribution box 24, and two return outlets 48, also symmetrically positioned on the two sides of the median longitudinal vertical plane 100.
  • the two return outlets 48 are connected, each via an 90° bend, to a central return duct 50 extending longitudinally in the air distribution box 24 between a front return inlet 52 through the front wall 34 of the air distribution box 24 and a rear return inlet 54 trough the rear wall 36 of the air distribution box 24.
  • the front wall 34 is provided with two supply outlets 56 on each side of the central front return inlet 52.
  • the rear wall 36 is provided with two supply outlets 58 on each side of the central rear return inlet 54.
  • the walls 30, 32, 34, 36, 38, 40 of the air distribution box 24 define an air chamber 60 inside the air distribution box 24, which surrounds the return duct 50 and provides an air path between the supply inlets 46 and supply outlets 56, 58. As illustrated in Fig.
  • the bottom wall 32 preferably includes a trapdoor 62 to access the chamber within the air distribution box 24 for maintenance purposes.
  • a row of through holes 64 illustrated in Fig. 6 , may be provided in the side walls to provide additional supply outlets from the chamber 60 the part of the passenger area 26 directly below, e.g. a vestibule. At least some of the through holes 64 can be closed, e.g. by plugs.
  • the supply (46) and return (52, 54) inlets and supply (56, 58) and return (48) outlets. are preferably provided with collars or flanges 66 or other mechanical couplings for connection with a supply air ducting 68 provided e.g. in the side walls of the car body 12 and with a return air ducting 70 provided e.g. in the ceiling 25 of the car body 12.
  • Pressurised supply air from the HVAC unit 14 enters the vehicle 10 through the supply passageways 18 and is directed through the supply inlets 46 into the chamber 60 within the air distribution box 24.
  • the air pressure in the chamber 60 is higher than in the passenger area 26 and the supply air exits the air distribution box 24 via the supply outlets 56, 58 which are connected with the supply ducting 68 for distributing the supply air in the passenger area 26 and, if provided via the additional outlets 64.
  • Return air sucked by the HVAC unit 14 follows a path from the passenger area 26 through the return air ducting 70, the return inlets 52, 54 the return duct 50, the return outlet 48 and return passageway 20 to the HVAC unit 14.
  • the supply ducting 68 may include a front portion 68F connected to the supply outlets 56 of the front wall 34 for distributing supply air to a front portion 26F of the passenger area 26 and a rear portion 68R connected to the rear supply outlets 58 for distributing supply air to a rear portion 26R of the passenger area 26.
  • the HVAC unit 14 and distribution box 24 are preferably located at an intermediate location close to a centre position between the ends of the car body 12.
  • the HVAC unit 14 and distribution box 24 may be located close to one end of the car body, e.g. the rear end, in which case the supply outlets 58 and return inlet 54 through the rear wall 36 can be plugged with appropriate plugs 72.
  • the supply outlets 56, 58 are provided on two opposite side walls 38, 40 of the air distribution box while the return inlets 52, 54 are provided on the the front wall 34 and rear wall 36.
  • the supply outlets 56, 58 and return inlets 52, 54 can be provided on the side walls 38,40 to be connected to right and left side portions of the supply ducting and of the return ducting.
  • the air distribution box 24 illustrated in Figs. 10 to 13 is provided with two parallel return ducts 50 extending longitudinally on both sides of the median longitudinal vertical plane 100 each with one front return inlet 52 through the front wall 34, one rear return inlet 54 through the rear wall 36, and one return outlet 48 through the top wall 30, connected to the return duct 50 via a T-shaped branch inside the air distribution box 24.
  • the walls of the air distribution box 24 define a supply chamber 60 that surrounds the two return ducts 50 and provides an air path between two supply inlets 46 through the top wall 30, one rectangular supply outlet 56 through the front wall 34 and one rectangular supply outlet 58 through the rear wall 36.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Claims (16)

  1. Caisson de distribution d'air (24) destiné à diriger l'air fourni par une unité CVCA (14) située à l'extérieur d'une caisse de voiture (12) d'un véhicule ferroviaire vers une zone passagers (26) à l'intérieur de la caisse de voiture (12), et à diriger l'air de reprise de la zone passagers (26) vers l'unité CVCA (14), le caisson de distribution d'air (24) présentant au moins une paroi supérieure (30), une paroi inférieure (32), des parois avant (34), arrière (36) et latérales (38, 40), caractérisé en ce que le caisson de distribution d'air (24) est pourvu d'une ou plusieurs gaines de reprise d'air (50) s'étendant entre une ou plusieurs entrées de reprise (52, 54), en traversant au moins l'une des parois avant (34), arrière (36) et latérales (38, 40), et une ou plusieurs sorties de reprise (48) qui traversent la paroi supérieure (30), une ou plusieurs entrées d'alimentation (46) qui traversent la paroi supérieure (30) et une ou plusieurs sorties d'alimentation (56, 58) qui traversent au moins l'une des parois avant (34), arrière (36) et latérales (38, 40), la paroi supérieure (30), la paroi inférieure (32), les parois avant (34), arrière (36) et latérales (38, 40) définissant un chemin d'alimentation en air à l'intérieur du caisson de distribution d'air (24) entre la ou les entrées d'alimentation (46) et la ou les sorties d'alimentation (56, 58), le chemin d'alimentation en air entourant la ou les gaines de reprise d'air (50).
  2. Caisson de distribution d'air (24) selon la revendication 1, caractérisé en ce que la ou les sorties de reprise (48) comprennent au moins deux sorties de reprise (48) opposées situées sur des côtés opposés d'un plan vertical médian (100) du caisson de distribution d'air (24).
  3. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce que la ou les gaines de reprise (50) comprennent au moins deux gaines de reprise (50) situées sur des côtés opposés d'un plan vertical médian (100) du caisson de distribution d'air (24) et parallèles au plan médian (100).
  4. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce que la ou les gaines de reprise d'air (50) comprennent au moins une gaine de reprise d'air (50) située dans un plan vertical médian (100) du caisson de distribution d'air (24) et qui s'étend dans une direction longitudinale du caisson de distribution d'air (24).
  5. Caisson de distribution d'air selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins l'une des gaines de reprise d'air (50) inclut une portion en forme de L ou en forme de T.
  6. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce que la ou les entrées de reprise (52, 54) comprennent au moins deux entrées de reprise opposées qui traversent deux parois opposées (34, 36) respectives parmi les parois avant, arrière et latérales, les deux entrées de reprise (52, 54) opposées étant raccordées à une gaine de reprise d'air (50) commune.
  7. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce que la ou les entrées de reprise (52, 54) sont toutes situées sur une seule paroi ou sur deux parois opposées parmi les parois avant, arrière et latérales (34, 36, 38, 40).
  8. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce que la ou les sorties d'alimentation (56, 48) sont toutes situées sur une seule paroi ou sur deux parois opposées parmi les parois avant, arrière et latérales (34, 36, 38, 40).
  9. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins l'une des entrées ou des sorties est fermée par une soupape (72).
  10. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce que la paroi inférieure (32) comprend une trappe (62).
  11. Caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins l'une des parois inférieure, avant, arrière et latérales (34, 36, 38, 40) comprend des orifices d'alimentation (64).
  12. Caisson de distribution d'air selon l'une quelconque des revendications précédentes, caractérisé en ce que la paroi supérieure (30) inclut un évidement (42) qui s'étend entre deux parois opposées parmi les parois avant, arrière et latérales (34, 36, 38, 40).
  13. Véhicule ferroviaire (10) comprenant au moins une caisse de voiture (12), une unité CVCA (14) située sur un toit (16) de la caisse du véhicule, caractérisé en ce qu'il comprend en outre un caisson de distribution d'air (24) selon l'une quelconque des revendications précédentes situé dans un plafond (25) au-dessus de la zone passagers (26) de la caisse du véhicule (12), dans lequel la ou les entrées d'alimentation (26) et la ou les sorties de reprise (48) du caisson de distribution d'air (24) sont raccordées à l'unité CVCA via des passages d'alimentation (18) et de reprise (20), respectivement.
  14. Véhicule ferroviaire selon la revendication précédente, caractérisé en ce que le ou les sorties d'alimentation (56, 58) du caisson de distribution d'air (24) sont raccordées à une gaine d'alimentation (68) du corps du véhicule (12).
  15. Véhicule ferroviaire selon l'une quelconque des revendications 13 ou 14, caractérisé en ce que la ou les entrées de reprise (52, 54) du caisson de distribution d'air (24) sont raccordées à une gaine de reprise (70) du corps du véhicule (12).
  16. Véhicule ferroviaire selon l'une quelconque des revendications 13 à 15, caractérisé en ce que la paroi supérieure (30) du caisson de distribution d'air (24) inclut un évidement (42) qui s'étend entre deux parois opposées parmi les parois avant (34), arrière (36) et latérales (38, 40), et le véhicule ferroviaire (10) comprend en outre des câbles électriques (44) qui s'étendent à travers l'évidement (42).
EP14178247.4A 2014-07-24 2014-07-24 Boîte de distribution d'air et véhicule ferroviaire associé Not-in-force EP2977288B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14178247.4A EP2977288B1 (fr) 2014-07-24 2014-07-24 Boîte de distribution d'air et véhicule ferroviaire associé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14178247.4A EP2977288B1 (fr) 2014-07-24 2014-07-24 Boîte de distribution d'air et véhicule ferroviaire associé

Publications (2)

Publication Number Publication Date
EP2977288A1 EP2977288A1 (fr) 2016-01-27
EP2977288B1 true EP2977288B1 (fr) 2016-10-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109720366A (zh) * 2017-10-30 2019-05-07 比亚迪股份有限公司 轨道车辆的空调风道和轨道车辆
EP4328109A1 (fr) * 2022-08-25 2024-02-28 ALSTOM Holdings Dispositif et procédé d'aération d'un véhicule ferroviaire

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6845622B2 (ja) * 2016-06-03 2021-03-17 川崎重工業株式会社 車両用空調ダクト及び鉄道車両

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001138910A (ja) * 1999-11-18 2001-05-22 Mitsubishi Electric Corp 車両用空調装置
KR100791448B1 (ko) 2007-06-21 2008-01-03 서번산업엔지니어링주식회사 아파트의 천정 층고를 낮추기 위한 환기시스템
DE102011009578A1 (de) * 2011-01-27 2012-08-02 Bombardier Transportation Gmbh Kühlung von Einrichtungen eines Schienenfahrzeugs
JP5642135B2 (ja) * 2012-10-09 2014-12-17 三菱電機株式会社 空気調和装置用の除塵装置、及び空気調和装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109720366A (zh) * 2017-10-30 2019-05-07 比亚迪股份有限公司 轨道车辆的空调风道和轨道车辆
EP4328109A1 (fr) * 2022-08-25 2024-02-28 ALSTOM Holdings Dispositif et procédé d'aération d'un véhicule ferroviaire
WO2024042209A1 (fr) * 2022-08-25 2024-02-29 Alstom Holdings Dispositif et procédé de ventilation d'un véhicule ferroviaire

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