EP2723621A1 - Vorrichtung und verfahren zur aktiven druckregelung in schienenfahrzeugen. - Google Patents
Vorrichtung und verfahren zur aktiven druckregelung in schienenfahrzeugen.Info
- Publication number
- EP2723621A1 EP2723621A1 EP12737263.9A EP12737263A EP2723621A1 EP 2723621 A1 EP2723621 A1 EP 2723621A1 EP 12737263 A EP12737263 A EP 12737263A EP 2723621 A1 EP2723621 A1 EP 2723621A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal pressure
- rail vehicle
- control
- measuring
- vehicle
- 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
Classifications
-
- 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 device and a method for active pressure control in a rail vehicle.
- the air conditioning system in a rail vehicle has to fulfill different tasks. These tasks include not only the treatment of supply air to set a comfortable indoor climate at different times of the year, but also the filtering of the outside air. In addition, the air conditioning system must ensure that a sufficient overpressure relative to the ambient pressure is set in the rail vehicle. As a sufficient overpressure 20Pa to 50Pa overpressure compared to the ambient pressure are considered. The provision of a corresponding overpressure is necessary in a rail vehicle in order to avoid that non-air-conditioned outside air can get into the interior due to leaks in the rail vehicle and thus impair passenger comfort.
- the vehicle internal pressure in a rail vehicle depends to a significant degree on the tightness of the rail vehicle body.
- the tightness of the rail vehicle body is in particular dependent on the quality of assembly in production, the adjustment of the outer doors, the number of drainage holes, as well as the quality and condition of the seals in the individual vehicles. It should be noted that as a rule the quality and the condition of the seals are not constant over a vehicle fleet.
- the air conditioning system must maintain the vehicle's internal pressure throughout the life cycle of the rail vehicle, taking into account the different wear of each vehicle. As part of the maintenance of the rail vehicle, which takes place not necessarily by the manufacturer of the rail vehicle, the au ⁇ Hzten are often more or less evenly. This increases the wear of the seals, which can be leaking in the period of use until the next maintenance, whereby the internal pressure of the rail vehicle is uncontrollably impaired.
- Object of the present invention is therefore to provide an apparatus and a method with which it is possible lent to ensure a constant internal pressure within the rail vehicle over the entire life cycle of the vehicle even with different tightness and variable wear of the seals.
- This object is achieved with regard to the device by a device according to claim 1.
- this object is achieved by a method according to claim 5.
- a device for actively controlling the vehicle internal pressure in a rail vehicle having a ventilation device for increasing the internal pressure in the rail vehicle, a ventilation device for reducing the internal pressure in the rail vehicle, a measuring device for measuring the internal pressure in the rail vehicle, which is characterized in that it has a control device which is signal-technically connected at least to the venting device for reducing the internal pressure and the measuring device, and the venting device for reducing the internal pressure can be controlled by the control device as a function of the internal pressure determined by the measuring device.
- the inventive provide a vent which is controlled in dependence on the measured vehicle internal pressure in the shooting ⁇ nen poverty, a maintaining a ge ⁇ desired excess pressure in the vehicle interior is possible, even if the leakage, so the outflow of internal air over Undichtig ⁇ speeds is variable.
- Increases the leakage of the rail vehicle for example, by a changed Ein ⁇ position of the outer doors or by wear of the seals, can be compensated by reducing the venting via the venting device, the pressure loss through the leaks. This allows under different operating conditions and wear conditions of the rail vehicle over the entire life cycle.
- the control device has an input channel for initiating a diagnosis signal indicative of the open and / or closed state of an outer door and / or a window of the rail vehicle.
- a diagnosis signal indicative of the open and / or closed state of an outer door and / or a window of the rail vehicle.
- the vent means includes, in order to increase the built-up by the aeration device internal pressure to the space provided value, for example between 20Pa and 50Pa. In this way, the internal pressure would if the outside doors and / or windows are closed, rise above the provided value beyond what could affect in particular the closing function of the Au ⁇ chalten.
- a ventilation device for example, an air conditioner of the rail vehicle, which sucks outside air, processed and in the Interior of the rail vehicle initiates. By this one ⁇ line an overpressure in the interior of the rail vehicle is built.
- a venting device is understood to mean, for example, an outboard valve, a venting flap or a fan (ventilator).
- a measuring device for measuring the internal pressure in the rail vehicle for example, a pressure sensor or a pressure gauge.
- the measuring device determines the internal pressure in
- Rail vehicle on train and / or wagon level Both in the determination of the internal pressure at train level, and Be ⁇ mood the internal pressure on the car level, it may be erfindungsge ⁇ provided that a plurality of distributed in train or wagon measuring devices are used to determine the internal pressure in the rail vehicle. It may be provided that the internal pressure values determined by the individual measuring devices are combined to form an average internal pressure value. It may be vorgese ⁇ hen also that a provision of the internal pressure istswei- se takes place takes place within the rail vehicle.
- the venting device is arranged in such a way that the occurrence of air currents affecting the passenger comfort within the areas of the rail vehicle used by passengers is avoided.
- the vent means in the ceiling area and / or in the base region of the rail vehicle are arranged.
- a plurality of ventilation devices in Rail vehicle are provided, which are distributed in such ⁇ order that avoids the passenger comfort affecting air currents or at least reduced.
- the object of the invention is achieved by a method for active pressure regulation of the internal pressure in a railway vehicle, comprising the method steps ⁇ :
- the control of the venting takes place in the context of climate control of the rail vehicle.
- the control device may be insbeson ⁇ particular provided that the control device is integrated into the climate control device. This makes it possible to consider the ventilation device alternately, so that in addition to an increase in the discharged via the venting device from the rail vehicle amount of air through the ventilation system, the interior of the rail vehicle supplied amount of air is reduced.
- the venting device has an outer valve, ei ⁇ ne vent flap and / or a fan (fan) has up and the regulation of the internal pressure by means of open or close the outer valve and / or the ventilation flap and / or by means of speed control of the fan.
- a determination of the internal pressure takes place only during the closed outer door and / or closed window of the rail vehicle and in the case of stability, ie when the rail vehicle is stationary. For this purpose, it can be provided, in particular, that the state of the doors and / or windows of the rail vehicle is queried by the control device. Such a query can ⁇ example, by means of door and / or window sensors.
- status information is retrieved from the train control system of the rail vehicle and taken into account.
- the travel speed signal in the train control system ensures that the internal pressure is only evaluated in the event of a stall.
- a measurement of the internal pressure is not continuous throughout the Fahrbetrie ⁇ bes, but intermittently, for example, in an interval of minutes, hours, days or months.
- a measurement of the internal pressure is carried out only within the framework of the maintenance intervals of the rail vehicle, for example in autumn or spring, and an adaptation of the venting performance to the ventilation performance takes place within the scope of the corresponding inspection.
- FIG. 1 shows the schematic structure of a device for active pressure regulation in a rail vehicle.
- FIG. 1 shows the schematic structure of a device for active pressure control in a rail vehicle 900.
- the rail vehicle has a ventilation device 120, which may be formed for example by an air conditioner.
- the ventilation system 120 leads to the interior of the slide ⁇ nen povertys 900 outside air, whereby within the Rail 900 a pressure over the ambient ⁇ pressure outside the rail vehicle 900 builds.
- a diagnostic signal 210 which indicates the open or closed state of the outer doors 910 and / or window 920 of the rail vehicle 900, is run on a control device 200.
- a measured signal in the control device 200 representing the internal pressure in the rail vehicle 900 determined by means of the measuring device 160 passes through the measured value line 215. With the outer doors 910 and windows 920 closed, the control device 200 evaluates the signal of the measuring device 160.
- a definable threshold value for example 50 Pa
- a venting means 141, 142, 143 through which regulated the internal pressure corresponding to the threshold can can be.
- an outward valve 141, a venting flap 142, a fan (fan) 143, or a combination of these venting devices can be arranged in the rail vehicle as a venting device.
- the venting devices 141, 142, 143 are preferably arranged in such a way that airflows that adversely affect the passenger comfort within the area of the rail vehicle used by the passengers do not result from the internal pressure escaping from the rail vehicle via the devices.
- the control device 200 via a Steuerungslei ⁇ tung 211 control signals trans- mits, to the ventilation means 120 to 120 also control the ventilation device in dependence of the detected internal pressure in the rail vehicle 900th
- the functions of the ventilating device 120 and the venting device 141, 142, 143 can thus be synchronized with one another.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110081070 DE102011081070A1 (de) | 2011-08-17 | 2011-08-17 | Vorrichtung und Verfahren zur aktiven Druckregelung in Schienenfahrzeugen |
PCT/EP2012/063769 WO2013023851A1 (de) | 2011-08-17 | 2012-07-13 | Vorrichtung und verfahren zur aktiven druckregelung in schienenfahrzeugen. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2723621A1 true EP2723621A1 (de) | 2014-04-30 |
EP2723621B1 EP2723621B1 (de) | 2015-08-26 |
Family
ID=46545369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12737263.9A Not-in-force EP2723621B1 (de) | 2011-08-17 | 2012-07-13 | Vorrichtung und verfahren zur aktiven druckregelung in schienenfahrzeugen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140199929A1 (de) |
EP (1) | EP2723621B1 (de) |
CN (1) | CN204172918U (de) |
DE (1) | DE102011081070A1 (de) |
RU (1) | RU145083U1 (de) |
WO (1) | WO2013023851A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019109564B3 (de) | 2019-04-11 | 2020-09-03 | Daimler Ag | Fahrzeug und Verfahren zur Detektion von Schäden an einem Fahrzeug |
CN114194236B (zh) * | 2020-09-18 | 2023-05-12 | 中车青岛四方机车车辆股份有限公司 | 一种轨道车辆开关门控制方法及控制系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3801891C1 (de) * | 1988-01-23 | 1989-09-07 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | |
FR2751733B1 (fr) * | 1996-07-23 | 1998-09-04 | Gec Alsthom Transport Sa | Dispositif et procede de regulation de la pression interne d'un espace clos ventile soumis a des variations de pression exterieure |
DE10014497C1 (de) * | 2000-03-23 | 2001-08-09 | Daimler Chrysler Ag | System zur Steigerung der Kondition |
US6401473B1 (en) * | 2000-07-31 | 2002-06-11 | The Boeing Company | Aircraft air conditioning system and method |
DE10208006A1 (de) * | 2002-02-26 | 2003-09-11 | Lutz Boeck | Verdrängungslüfter-Druckschutzsystem |
DE10233517A1 (de) * | 2002-07-23 | 2004-02-12 | Lex, Ernst, Dipl.-Ing. | Verfahren und Vorrichtung zum Belüften eines Fahrzeuginnenraumes |
DE102007019014A1 (de) * | 2007-04-18 | 2008-10-23 | Thyssenkrupp Transrapid Gmbh | Verfahren und Vorrichtung zur Vermeidung schneller Änderungen des Innendrucks in einem geschlossenen Raum |
DE102008057787B3 (de) * | 2008-11-17 | 2010-03-04 | Albert Bauer | Regelvorrichtung für raumlufttechnische Anlagen |
US20100216384A1 (en) * | 2009-02-26 | 2010-08-26 | Ford Global Technologies, Llc | Air extractors |
-
2011
- 2011-08-17 DE DE201110081070 patent/DE102011081070A1/de not_active Ceased
-
2012
- 2012-07-13 CN CN201290000756.0U patent/CN204172918U/zh not_active Expired - Fee Related
- 2012-07-13 EP EP12737263.9A patent/EP2723621B1/de not_active Not-in-force
- 2012-07-13 US US14/239,306 patent/US20140199929A1/en not_active Abandoned
- 2012-07-13 WO PCT/EP2012/063769 patent/WO2013023851A1/de active Application Filing
- 2012-07-13 RU RU2014109991/11U patent/RU145083U1/ru not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2013023851A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2723621B1 (de) | 2015-08-26 |
DE102011081070A1 (de) | 2013-02-21 |
CN204172918U (zh) | 2015-02-25 |
RU145083U1 (ru) | 2014-09-10 |
WO2013023851A1 (de) | 2013-02-21 |
US20140199929A1 (en) | 2014-07-17 |
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