EP2648956B1 - Schienenfahrzeug mit einem maschinenraum sowie mit mindestens einem führerraum und verfahren zur erzeugung eines überdrucks im maschinenraum - Google Patents

Schienenfahrzeug mit einem maschinenraum sowie mit mindestens einem führerraum und verfahren zur erzeugung eines überdrucks im maschinenraum Download PDF

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Publication number
EP2648956B1
EP2648956B1 EP11791560.3A EP11791560A EP2648956B1 EP 2648956 B1 EP2648956 B1 EP 2648956B1 EP 11791560 A EP11791560 A EP 11791560A EP 2648956 B1 EP2648956 B1 EP 2648956B1
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EP
European Patent Office
Prior art keywords
air
compartment
driver
rail vehicle
engine room
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
EP11791560.3A
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German (de)
English (en)
French (fr)
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EP2648956A1 (de
Inventor
Jorgen Tscheng
Michael Welter
Karl-Heinz Buchholz
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
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Bombardier Transportation GmbH
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Publication date
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Publication of EP2648956A1 publication Critical patent/EP2648956A1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
    • 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 a rail vehicle, such as a railcar, in particular a locomotive, a power car or a railcar for a railroad train, in particular a power train for heavy rail vehicle trains, for example, for long-distance, goods and regional trains, the rail vehicle is a system for the air conditioning of the at least one driver's compartment has. Furthermore, the present invention relates to a method for generating an overpressure in the engine room in conjunction with an air conditioning at least one driver's compartment.
  • the engine room of such vehicles is used to hold electrical devices that are necessary in particular for the operation of the rail vehicle, for example, of electrical components that are provided for the power supply of an electric traction drive, as well as auxiliary operations that do not directly for the drive of the vehicle, for example, a compressed air generating device.
  • the said electrical and other devices are sensitive to contamination. Therefore, the engine room should be kept as dust-free as possible. Otherwise, their life is limited and their failure rate increases.
  • EP 2 127 991 A1 describes a locomotive having two driver's cabs and a machine room, wherein for cooling the machine room and at least one cab at least one cooling unit and a channel-shaped line system are provided for guiding an air stream cooled by the cooling unit.
  • the conduit system allows the guidance of the cooled air through openings so that the cooled air hits the components to be cooled in a targeted manner or is directed into cabinets with components to be cooled.
  • the locomotive has two driver's cabs, which are unoccupied or occupied depending on the direction of travel.
  • an air conditioner is arranged in a first embodiment.
  • the air conditioner of the Unoccupied cab is provided for cooling the engine room, while at the same time the air conditioner of the occupied cab is used exclusively for air conditioning this cab.
  • JP 10-129476 A is an air conditioner for rail vehicles specified with an internal fan, which is mounted under the floor of the vehicle.
  • the air conditioner includes a first fan for the ventilation and the discharge of air, two evaporators and a second internal fan.
  • the air sucked in with the first blower is cooled by the first evaporator.
  • the cooled air is mixed with air from the interior of the vehicle, and the resulting mixture is cooled in another evaporator.
  • With the second internal fan the cooled air is blown into the interior of the vehicle.
  • EP 2 217 991 A1 indicates that the cooling of the electrical and electronic components is required to reduce the failure rate of these components.
  • the cooled air is specifically directed to the components in the rail vehicle described therein.
  • the failure rate can still not be reduced to a sufficient extent.
  • the cost of producing a rail vehicle may be high if, as in the one of the two EP 2 217 991 A1 specified embodiment, several air conditioners are used.
  • the rail vehicle according to the invention has a machine room and at least one driver's compartment.
  • the rail vehicle may be, for example, a locomotive, a power car or a railcar for a rail vehicle train, in particular a power train for heavy rail vehicle trains, for example, for long-distance, freight and regional trains.
  • the rail vehicle comprises an air conditioning system provided for conditioning at least one driver's compartment, which at the same time generates an overpressure in the preferably adjacent engine room.
  • the air conditioning system comprises a first air duct for introducing fresh air into the at least one driver's compartment and a second air duct for forwarding at least part of the fresh air introduced into the at least one driver's compartment into the engine room.
  • the inventive method for generating an overpressure in the engine room in connection with the air conditioning of the at least one driver's compartment of the rail vehicle comprises introducing fresh air into the at least one driver's compartment and additionally passing at least a portion of the fresh air introduced into the at least one driver's compartment into the engine room.
  • the introduced by means of the air conditioning system in at least one driver's compartment and possibly already filtered and / or cooled air is at least partially passed into the engine room, so that sets in the engine room a relation to the environment increased air pressure.
  • the forwarding of the fresh air introduced into the at least one driver's compartment into the machine room is furthermore sufficient to maintain an increased internal air pressure (in particular a slight overpressure) in the engine room relative to the surroundings.
  • the increased air pressure ensures that contaminants and / or moisture can not penetrate into the machine room from the outside, even if the machine room is not completely sealed from the environment, since penetration of the contaminants and / or moisture is prevented by the overpressure ,
  • air is introduced into the at least one driver's compartment in order to supply the person present there with fresh air.
  • this fresh air is not discharged undefined, but forwarded after being introduced into the cab in the engine room.
  • the air conditioning system includes, for example, at least one cooling element and therefore may be able to cool the at least one cab compartment. Furthermore, filter elements, guide elements for the air, for example guide channels, pipes and the like, switching means for shutting off the passage of air through the guide elements and the like may also be included in the air conditioning system.
  • a cooling element may be at any, technically preferred location in or on Vehicle are located. Several cooling elements can be arranged at different locations in or on the vehicle.
  • the air-conditioning system when introducing the fresh air into the at least one driver's compartment, comprises a cooling of the fresh air in order to produce cooled air.
  • the cooling is achieved by at least one cooling element, for example one or more evaporators of a refrigerating machine or thermoelectric cooling elements or other cooling elements.
  • the air conditioning system comprises an engine room filtration when passing the air from the driver's compartment into the engine room.
  • This filtering comprises at least one engine room filter device.
  • filter devices which can be used here are known in the field of the invention and are formed by corresponding holders and materials fastened therein, for example made of nonwovens, or other gas-permeable materials. By means of this it is achieved that the air introduced into the at least one engine room is at least largely free of contaminants and / or moisture.
  • the air conditioning system comprises at least one engine room air conveying device, for example comprising at least one engine room ventilator / at least one engine room blower, for forwarding the fresh air portion of the cab air into the engine room.
  • at least one engine room air conveying device for example comprising at least one engine room ventilator / at least one engine room blower, for forwarding the fresh air portion of the cab air into the engine room.
  • the delivery of the cooled air into the engine room can be formed as a function of the delivery of fresh air into the at least one driver's compartment.
  • the air pressure in the at least one driver's compartment differs from the air pressure in the engine room, in that an overpressure is produced in the engine room and at the same time normal pressure (in accordance with the air pressure outside the rail vehicle) is maintained in the at least one driver's compartment.
  • the at least one driver's compartment can be constantly supplied with fresh air, while this is avoided for the engine room and in the engine room a relative to the pressure prevailing outside of the vehicle air pressure increased air pressure is set. This ensures that fresh air is also through Leaks in the outer walls of the engine room does not penetrate to the inside, thereby carrying impurities and / or moisture with it, but at best air can leak through leaks and other openings from the engine room to the outside.
  • the engine room air delivery device and the engine room filter device may be combined in an engine room air treatment device.
  • the engine room air treatment device can either be accommodated on the roof of the rail vehicle or under the vehicle or in the engine room of the vehicle or preferably in the region of the partition wall between at least one driver compartment and the engine room.
  • At least one engine room filter device may be arranged either on the suction side or on the pressure side of the engine room fan or blower or both on the suction side and on the pressure side thereof.
  • the engine room is substantially dense, so that when passing air into the engine room, the increased air pressure in the engine room relative to the environment is formed. "Essentially” means that at best leaks are present in the enclosing the engine room housing, which preclude a complete conclusion to the outside. Otherwise, the walls of the housing are tight.
  • the at least one engine room air conveyor device which can also serve as a pressure generating means for producing an increased air pressure in the engine room, a relation to the ambient air pressure increased internal air pressure is generated in the space to be air conditioned in the engine room.
  • the air conditioning system further comprises a cab compartment filtering when introducing the fresh air into the at least one driver's compartment.
  • This filtering comprises at least one cab filter device.
  • Such filter devices are also known in the art.
  • the additional filtering of the fresh air when entering the at least one driver's compartment produces a particularly clean and dry air, so that the problems of the known air conditioning systems for rail vehicles can be easily solved.
  • the air conditioning system may further include a cab air conveying device for sucking the fresh air from the outside into the at least one driver's compartment.
  • the cab air-handling devices each include a cab air-handling device, including, for example, at least one cab ventilator / at least one cab ventilator. These may be arranged in front of, behind or both in front of and behind the cab filter in the air flow direction.
  • the air conditioning system further comprises at least one closing device, which prevents a backflow of the forwarded into the engine room air into the at least one driver's compartment.
  • This may be a non-return valve, but of course also any other suitable device, for example, a valve that closes automatically or by external control as soon as air from the engine room wants to escape back into the driver's compartment.
  • This closing device is used in particular to maintain a sufficient overpressure in the engine room, without a constantly increased inflow of air into the engine room is required.
  • this closing device serves to maintain the overpressure once achieved even if the overpressure due to a malfunction, for example, at the failure of at least one of the engine room air conveyor devices, threatens to break down.
  • the air conditioning system further comprises a circulation of a first part of the fresh air introduced into the at least one driver's compartment as well as an injection of a second part of the fresh air into the machine room.
  • a stream of air which forms in the driver's compartment branches into the first and the second part, the first part being reintroduced into the driver's compartment (being circulated) and the second part being forwarded into the engine room.
  • the air conditioning system further comprises cooling the first part of the recirculated fresh air. This achieves constant cooling of the fresh air circulated in the at least one driver's compartment.
  • at least one cooling element can be used, for example one or more evaporators of a refrigerating machine or thermoelectric cooling elements or even other cooling elements.
  • the aforementioned cooling of the circulated air can also be effected by the cooling elements already mentioned above, which are provided for cooling the fresh air introduced into the at least one driver's compartment.
  • the air conditioning system additionally comprises a recirculation filtration of the first part of the circulated air.
  • This filtering comprises at least one recirculation filter device. Continuous filtering of the recirculated air further reduces its degree of contamination and / or its moisture, so that the air which is passed on into the engine room becomes even cleaner and / or drier than without this measure.
  • the recirculation filtration may be identical to the cab filtration of the fresh air introduced into the at least one cab so that the fresh air and the air coming from the cab and circulated through the cab are routed through the same cab filter device.
  • two different filter devices may be provided, namely a recirculation filter device for filtering the proportion of circulating air and a cab filter device for filtering the fresh air constantly supplied to the driver's compartment.
  • the air-conditioning installation comprises at least one refrigerating machine, of which at least one evaporator serves to cool the fresh air.
  • evaporator is a cooling element for the air to be cooled.
  • Chillers are known and typically include at least one evaporator, at least one compressor, at least one condenser and at least one expansion valve in at least one circuit for a refrigerant.
  • the at least one evaporator is used to absorb heat from the environment in the refrigerant. Among other things, the absorbed amount of heat is released from the refrigerant in the at least one capacitor again.
  • serves the at least one evaporator as a heat sink and thus as a cooling element for the cooling of the air.
  • the at least one evaporator is preferably integrated into a cab air treatment device to act there as a cooling element for the fresh air to be cooled.
  • At least one cooling element furthermore preferably at least one fan or blower, and furthermore preferably a filter device can be combined in the driver's compartment air treatment device.
  • the at least one chiller comprises at least one evaporator for cooling the air, wherein the at least one evaporator is preferably each part of a cab air treatment device of the air conditioning system, in which the cooled air is generated.
  • At least one driver's compartment air treatment device is present, for example one air treatment device for each driver's compartment. Air is cooled in the cab air handling devices and then introduced into the respective cab compartment.
  • the evaporator (s) may be installed in the flow direction of the air used for air conditioning in front of or behind the above-mentioned cab filter device. If two filter devices are used, namely a cab filter device for filtering the introduced fresh air and a recirculation filter device for filtering the circulated and optionally already cooled air from the cab, which is provided for re-introduction into the cab, these two filter devices are seen in the flow direction of the air before Evaporator installed. In an installation of the evaporator (s) behind the cab filter apparatus, extra clean filtered air may be passed through the evaporator (s), thereby reducing the risk of contamination of the evaporator (s).
  • the at least one driver's compartment air treatment device can in particular be arranged within at least one of the driver's cabs. Alternatively, it may also be mounted outside the driver's cabs, in particular outside the rail vehicle, for example on the roof or, less preferably, under the floor of the rail vehicle. Of course, preference is given to an arrangement in the driver's cab, since so that an encapsulation is connected to the outside penetrating heat and impurities. In addition, no additional space within the specified by a railway operator vehicle profile needs to be claimed for this device.
  • thermoelectric cooling element instead of a refrigerating machine comprising evaporator, compressor, condenser and expansion valve, a thermoelectric cooling element or still another cooling element can be used.
  • the engine room air treatment device and the cab air treatment device may be combined in a common air conditioner and are part of the air conditioning system.
  • Fig. 1 shows a schematic longitudinal sectional view of the front part of a rail vehicle according to the invention, for example an electric locomotive.
  • the driver's cab 1 Adjacent to the left and separated from the driver's compartment 1 by a wall 10, there is the engine room 2 of the vehicle.
  • the wall 10 may additionally have a door separating the two spaces, which preferably closes in a gastight manner (not shown).
  • electrical devices such as electronic devices with electronic and / or microelectronic devices for controlling the operation of the vehicle, has been omitted for the purpose of clarity of the invention.
  • an air conditioner 3 is installed in the area of the driver's compartment 1.
  • the air conditioner 3 could also be under the floor of the vehicle or alternatively - and quite likewise preferably - be arranged within the driver's compartment 1.
  • the air conditioner 3 comprises a cab air treatment device 8, which in the present case contains two cab ventilators 9 and an evaporator 4.
  • a cab filter apparatus (not shown) is provided downstream of the cab ventilators 9 and upstream of the evaporator 4 in the flow direction of the sucked fresh air.
  • the other components, compressor, condenser and expansion valve, of a refrigerator may also be included be housed in the air conditioner 3 or elsewhere in the rail vehicle.
  • an engine room air treatment apparatus 11 in which a machine room ventilator 6 and an engine room filter apparatus (circulating air filter) 5 are combined.
  • the air conditioner 3 air ducts 13 (shown only schematically) for flowing from the cab 1, already cooled air, a first part of the air in the cab air treatment device 8 and a second part of the air in the engine room air treatment device 11 carry.
  • an air channel 12 is used in the driver's compartment 1 from the engine room 2 separating wall 10 and in the air channel 12, a check valve 7 is also installed.
  • the air is sucked in via the cab ventilator 9 and is then cooled by the evaporator 4.
  • the air is also passed through a cab space filter device located in the cab air-handling device 8 to achieve cleaning of the air (not shown).
  • the air exits down from the cab air treatment device 8 and into the cab 1 (shown by arrows 22).
  • the cooled air introduced into the driver's compartment 1 is sucked up again by the air conditioner 3 and branches in the second air duct 13.
  • a first part of the air is sucked again by the cab ventilators 9 into the cab air treatment device 8 and cooled again there (shown by arrow 23). This leads to a cooling circulation of the air in the driver's compartment 1.
  • the cooled air exiting the evaporator 4 downwards into the driver's compartment 1 thus contains portions of the fresh air as well as portions of the circulated air (represented by arrows 22).
  • a second portion of the air, approximately corresponding to the amount of fresh air continuously supplied, is drawn through the engine room fan 6 into the engine room air treatment device 11, the sucked air being first passed through the engine room filtration 5 (shown by arrow 24).
  • the cleaned air then passes through the air duct 12 and the check valve 7 in the largely dense engine room 2 (shown by arrow 25).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP11791560.3A 2010-12-08 2011-12-06 Schienenfahrzeug mit einem maschinenraum sowie mit mindestens einem führerraum und verfahren zur erzeugung eines überdrucks im maschinenraum Active EP2648956B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010062660A DE102010062660A1 (de) 2010-12-08 2010-12-08 Schienenfahrzeug mit einem Maschinenraum sowie mit mindestens einem Führerraum sowie Verfahren zur Erzeugung eines Überdrucks im Maschinenraum in Verbindungmit einer Klimatisierung mindestens eines Führerraumes
PCT/EP2011/071918 WO2012076524A1 (de) 2010-12-08 2011-12-06 Schienenfahrzeug mit einem maschinenraum sowie mit mindestens einem führerraum und verfahren zur erzeugung eines überdrucks im maschinenraum

Publications (2)

Publication Number Publication Date
EP2648956A1 EP2648956A1 (de) 2013-10-16
EP2648956B1 true EP2648956B1 (de) 2014-04-16

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EP11791560.3A Active EP2648956B1 (de) 2010-12-08 2011-12-06 Schienenfahrzeug mit einem maschinenraum sowie mit mindestens einem führerraum und verfahren zur erzeugung eines überdrucks im maschinenraum

Country Status (8)

Country Link
US (1) US10518787B2 (zh)
EP (1) EP2648956B1 (zh)
CN (1) CN103260989B (zh)
AU (1) AU2011340601B2 (zh)
DE (1) DE102010062660A1 (zh)
RU (1) RU2577819C2 (zh)
WO (1) WO2012076524A1 (zh)
ZA (1) ZA201302784B (zh)

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FR3041570B1 (fr) * 2015-09-30 2017-12-01 Alstom Transp Tech Dispositif de climatisation pour une cabine de conduite, notamment de vehicule ferroviaire
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DE102016217524A1 (de) * 2016-09-14 2018-03-15 Siemens Aktiengesellschaft Endwagen eines mehrteiligen Schienenfahrzeugs
FR3068946B1 (fr) * 2017-07-17 2019-08-23 Alstom Transport Technologies Voiture de train, train et methode de controle de la temperature a l'interieur d'un cabinet de toilettes appartenant a une voiture de train
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WO2022013937A1 (ja) * 2020-07-14 2022-01-20 株式会社日立製作所 鉄道車両
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Also Published As

Publication number Publication date
WO2012076524A1 (de) 2012-06-14
US10518787B2 (en) 2019-12-31
EP2648956A1 (de) 2013-10-16
US20130252527A1 (en) 2013-09-26
CN103260989A (zh) 2013-08-21
AU2011340601B2 (en) 2016-04-07
DE102010062660A1 (de) 2012-06-14
RU2013130876A (ru) 2015-01-20
RU2577819C2 (ru) 2016-03-20
AU2011340601A1 (en) 2013-06-20
CN103260989B (zh) 2016-02-03
ZA201302784B (en) 2013-11-27

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