EP1050446A1 - Dispositif de protection contre les ondes de pression dans les véhicules de transport de personnes - Google Patents
Dispositif de protection contre les ondes de pression dans les véhicules de transport de personnes Download PDFInfo
- Publication number
- EP1050446A1 EP1050446A1 EP00410046A EP00410046A EP1050446A1 EP 1050446 A1 EP1050446 A1 EP 1050446A1 EP 00410046 A EP00410046 A EP 00410046A EP 00410046 A EP00410046 A EP 00410046A EP 1050446 A1 EP1050446 A1 EP 1050446A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- air
- valves
- sensor
- valve
- 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
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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
- B61D27/0009—Means for controlling or equalizing air pressure shocks in trains, e.g. when passing or crossing in tunnels
Definitions
- EP-A-0 579 536 and 0 143 931 describe devices known from elimination of sudden pressure variations likely to be exerted on the external walls of a train.
- means balancing between the external pressure and the internal pressure are formed by a special bypass, which is normally closed in the absence of pressure. As soon as the detector reveals the existence of a pressure wave, the suction and exhaust valves are closed and the bypass is open.
- the detection means controlling the automaton can be formed by a detector internal and / or external, or a beacon at the entrance or exit of the tunnel.
- the document EP 0 700 818 relates to a device for protection against overpressures, using in each vehicle a second set of shutters in bypass with fans of the steep front type for fresh air renewal.
- a such an installation is expensive, has a large size and weight, and requires high energy consumption.
- the object of the invention is to provide an effective protection device against pressure waves, requiring neither a ground control beacon nor a fan stiff front, or pressure measurement inside the vehicles, and authorizing the entry and exit of tunnels as well as the renewal of air in cars when passing through tunnels.
- the average static pressure sensor external is in connection with a pneumatic integrator and a pressure sensor differential, which delivers a proportional electronic measurement signal to the automaton.
- the average static pressure sensor external is connected to an absolute pressure sensor connected to the input of the PLC, the pneumatic integration function being carried out by programming in the PLC processor.
- the third valve is located in the evacuation pipe of the condensation circuit at the battery outlet air conditioner evaporator.
- the static pressure sensor is installed at the head of train, and includes orifices arranged in the outside air flow, and in connection with a measurement area averaging the static pressures on the exposed surface of said sensor.
- a ventilation and air conditioning system 10 for ground transportation vehicles including a high speed train, is equipped a pressure wave protection device 12. It comprises at the level of each vehicle, an inlet port 14 for the outside air, and an outlet port 16 indoor air.
- the inlet 14 is connected to a suction duct 18 which directs the fresh air drawn into the internal ventilation and air conditioning system 10.
- the outlet orifice 16 is connected to an exhaust duct 20 rejecting the interior air by extraction to the outside.
- the outside fresh air intake is controlled by a first valve 22 shutter housed in the suction duct 18, while the air evacuation interior is controlled by a second shutter valve 24 formed in the exhaust duct 20.
- the pressure wave protection device 12 includes means 26 for detecting the variation in external pressure of the vehicle, and a PLC 28 which receives and processes the measurement signals in origin of the detection means 26 for controlling a series of actuators 30, 32, 34 intended to operate respectively the first valve 22 of the duct suction, the second valve 24 of the exhaust duct 20, and a third valve 36 of the air conditioning condenser circuit.
- FIG. 2 schematically shows the air conditioner 38 housed in a box 40 containing a unit fan 42 which draws air through a filter 44 and a battery evaporator 46.
- the air conditioning is blown according to arrow F1 in a duct 48 of car, and the water in the condensing circuit at the outlet of the evaporator battery 46 is evacuated through an evacuation duct 50 in which the third valve 36.
- An additional return air flow towards the filter 44 is represented by arrow F2.
- the section of the third valve 36 in the condensate evacuation pipe 50 to the output of the evaporator battery 46 is less than that of the first or second valves 22, 24 of the air intake and exhaust ducts.
- the detection means 26 comprise a pressure sensor 52 medium static, which is preferably installed at the head of the train at a point where the static pressure is close to atmospheric pressure when the train is running in free field.
- the external pressure sensor 52 has several ports arranged in the outside air flow so as to measure a pressure static, and in conjunction with a measurement area to obtain the average pressures on the exposed surface of the sensor 52. The use of such a sensor reduces the aerodynamic noise caused by the speed of the train.
- the pressure sensor 52 transmits the average static pressure to a pressure sensor differential pressure 54 and a pneumatic integrator 56.
- the pressure signal of the pneumatic integrator 56 is also sent to the differential pressure 54, which delivers a measurement signal S1 to the output proportional electronics to the control unit 28.
- the pneumatic integrator 56 allows variations in the atmospheric pressure inside a tunnel, because it is sensitive to variations altitude.
- PLC 28 When detecting a strong pressure wave causing the temperature to exceed measurement signal S1 beyond a first level of pressure variation, PLC 28 sends closing control orders to the three valves shutter 22, 24 and 36. The three conduits 18, 20 and 50 are then blocked simultaneously so as to isolate the interior of the vehicle from the exterior.
- the actuators 30, 32, 34 can be pneumatically, hydraulically or electric.
- the first level of pressure variation can be a high threshold or low depending on whether the pressure wave is positive or negative.
- the controller 28 When the measurement signal S1 drops below a second level of pressure variation, the controller 28 first issues an opening order at the actuator 34 of the third valve 36 of the condenser circuit of the air conditioner 38.
- the prior reopening of the third valve 36 allows progressive balancing pressures inside and outside the vehicle while the other two valves 22, 24 of larger sections, remain closed. After a time delay, the other two valves 22, 24 are reopened by the actuators 30, 32 for air intake and exhaust, and the ventilation and air conditioning 10 is returned to normal operation.
- the pressure wave protection device 12 does not require either ground control beacons, neither steep front bypass fans, nor pressure measurement inside the vehicle. Only one detection device is plan outside each end of the train to detect waves annoying pressure at the entrances and exits of tunnels, and at crossings of trains. As a function of the amplitude of the measurement signal S1 representative of the variation in external pressure, all of the valves 22, 24, 36 can open and close several times during a tunnel crossing.
- the detection means 26 are formed by a pressure sensor absolute 58 controlled by the medium pressure sensor 52.
- the pressure sensor differential 54 is deleted, and the pneumatic integration function is performed by programming in the control command 28.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Measuring Fluid Pressure (AREA)
- Buffer Packaging (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
- un orifice d'entrée de l'air extérieur et un orifice de sortie de l'air intérieur, l'orifice d'entrée étant connecté à un conduit d'aspiration dirigeant l'air aspiré vers le système de climatisation et de ventilation, l'orifice de sortie étant relié à un conduit d'échappement rejetant l'air intérieur par extraction vers l'extérieur,
- un premier clapet d'obturation du conduit d'aspiration,
- un deuxième clapet d'obturation du conduit d'échappement,
- des moyens de détection des moyens de la variation de la pression externe du véhicule, délivrant des signaux de mesure représentatifs de ladite variation,
- et un automate de contrôle commande recevant les signaux de mesure en provenance des moyens de détection pour piloter d'une part la fermeture des premier et deuxième clapets après dépassement d'un premier niveau prédéterminé de la variation de la pression externe, et d'autre part et la réouverture desdits clapets lorsque la variation de pression est descendue au-dessous d'un second niveau prédéterminé.
- les moyens de détection comportent un capteur de pression statique moyenne insensible au bruit aérodynamique du véhicule, et coopérant avec des moyens intégrateurs pneumatiques pour élaborer les signaux de mesure,
- l'automate contrôle un troisième clapet agencé dans un conduit du climatiseur, de manière à être fermé simultanément avec les premier et deuxième clapets, et à être réouvert préalablement pour l'équilibrage progressif de la pression entre l'intérieur et l'extérieur du véhicule, alors que lesdits premier et deuxième clapets de plus grandes sections restent fermés,
- la réouverture finale des premier et deuxième clapets pour l'admission et l'échappement de l'air intervenant après une temporisation prédéterminée.
- la figure 1 est une vue schématique montrant le système de ventilation et de climatisation équipé du dispositif de protection contre les ondes de pression selon l'invention;
- la figure 2 représente une vue de détail du climatiseur doté du troisième clapet;
- la figure 3 montre le circuit de l'automate de contrôle commande des clapets;
- la figure 4 est une variante du schéma de la figure 3.
Claims (5)
- Dispositif de protection contre les ondes de pression appliquées à un véhicule de transport climatisé se déplaçant à grande vitesse, et comprenant :un orifice d'entrée (14) de l'air extérieur et un orifice de sortie (16) de l'air intérieur, l'orifice d'entrée (14) étant connecté à un conduit d'aspiration (18) dirigeant l'air aspiré vers le système de climatisation et de ventilation (10), l'orifice de sortie (16) étant relié à un conduit d'échappement (20) rejetant l'air intérieur par extraction vers l'extérieur,un premier clapet (22) d'obturation du conduit d'aspiration (18),un deuxième clapet (24) d'obturation du conduit d'échappement (20),des moyens de détection des moyens de la variation de la pression externe du véhicule, délivrant des signaux de mesure représentatifs de ladite variation,et un automate (28) de contrôle commande recevant les signaux de mesure en provenance des moyens de détection pour piloter d'une part la fermeture des premier et deuxième clapets (22, 24) après dépassement d'un premier niveau prédéterminé de la variation de la pression externe, et d'autre part et la réouverture desdits clapets lorsque la variation de pression est descendue au-dessous d'un second niveau prédéterminé,les moyens de détection comportent un capteur de pression (52) statique moyenne insensible au bruit aérodynamique du véhicule, et coopérant avec des moyens intégrateurs pneumatiques pour élaborer les signaux de mesure,l'automate (28) contrôle un troisième clapet (36) agencé dans un conduit du climatiseur (38), de manière à être fermé simultanément avec les premier et deuxième clapets (22, 24), et à être réouvert préalablement pour l'équilibrage progressif de la pression entre l'intérieur et l'extérieur du véhicule, alors que lesdits premier et deuxième clapets (22, 24) de plus grandes sections restent fermés,la réouverture des premier et deuxième clapets (22, 24) pour l'admission et l'échappement de l'air intervenant après une temporisation prédéterminée.
- Dispositif de protection selon la revendication 1, caractérisé en ce que le capteur de pression (52) statique moyenne externe est en liaison avec un intégrateur pneumatique (56) et un capteur de pression différentielle (54), lequel délivre un signal de mesure (51) électronique proportionnel vers l'automate (28).
- Dispositif de protection selon la revendication 2, caractérisé en ce que le capteur de pression (52) statique moyenne externe est relié à un capteur de pression (58) absolue branché à l'entrée de l'automate (28), la fonction d'intégration pneumatique étant réalisée par programmation dans le processeur de l'automate (28).
- Dispositif de protection selon l'une des revendications 1 à 3, caractérisé en ce que le troisième clapet (36) est situé dans le conduit d'évacuation (50) des condensats à la sortie de la batterie d'évaporateur (46) du climatiseur (38).
- Dispositif de protection selon l'une des revendications 1 à 4, caractérisé en ce que le capteur de pression (52) statique est installé en tête de train, et comprend des orifices disposés dans l'écoulement d'air extérieur, et en liaison avec une zone de mesure effectuant la moyenne des pressions statiques sur la surface exposée dudit capteur.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9905948A FR2793205B1 (fr) | 1999-05-06 | 1999-05-06 | Dispositif de protection contre les ondes de pression dans les vehicules de transport de personnes |
FR9905948 | 1999-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1050446A1 true EP1050446A1 (fr) | 2000-11-08 |
EP1050446B1 EP1050446B1 (fr) | 2004-04-07 |
Family
ID=9545423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00410046A Expired - Lifetime EP1050446B1 (fr) | 1999-05-06 | 2000-05-05 | Dispositif de protection contre les ondes de pression dans les véhicules de transport de personnes |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1050446B1 (fr) |
AT (1) | ATE263694T1 (fr) |
DE (1) | DE60009597T2 (fr) |
FR (1) | FR2793205B1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102607797A (zh) * | 2012-03-15 | 2012-07-25 | 长春轨道客车股份有限公司 | 一种动车组空调压力波功能检测方法 |
WO2015176879A1 (fr) * | 2014-05-20 | 2015-11-26 | Siemens Aktiengesellschaft | Véhicule équipé d'un système de ventilation |
WO2016041549A1 (fr) * | 2014-09-15 | 2016-03-24 | Faiveley Transport Leipzig Gmbh & Co. Kg | Dispositif permettant une régulation combinée de la protection contre la pression et de la quantité d'air dans l'habitacle de véhicules ferroviaires à grande vitesse |
CN106564513A (zh) * | 2016-11-11 | 2017-04-19 | 中车青岛四方机车车辆股份有限公司 | 一种轨道车辆压力波控制装置和控制方法 |
CN108407835A (zh) * | 2018-07-12 | 2018-08-17 | 新誉轨道交通科技有限公司 | 智能压力波保护系统及方法 |
CN109552350A (zh) * | 2019-01-23 | 2019-04-02 | 中车株洲电力机车有限公司 | 一种防止长隧道列车客室压力突变的控制方法及系统 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170232978A1 (en) * | 2007-04-18 | 2017-08-17 | Thyssenkrupp Transrapid Gmbh | Method and device for preventing fast changes of the internal pressure in an enclosed space |
CN103963795B (zh) * | 2013-08-29 | 2016-06-29 | 南车南京浦镇车辆有限公司 | 快速地铁车辆压力波控制方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143931A2 (fr) | 1983-12-01 | 1985-06-12 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Dispositif d'aération et de climatisation des voitures ferroviaires |
EP0579536A1 (fr) | 1992-07-16 | 1994-01-19 | Gec Alsthom Transport Sa | Dispositif et procédé de suppression des variations brutales de pression dans les véhicules, en particulier dans les véhicules terrestres |
EP0622287A1 (fr) * | 1993-04-30 | 1994-11-02 | KRAPF & LEX NACHF. VERKEHRSTECHNIK GmbH & Co.KG | Dispositif de limitation de la pression dans des véhicules ferroviaires à grande vitesse |
EP0700818A1 (fr) | 1994-09-09 | 1996-03-13 | HAGENUK FAHRZEUGKLIMA GmbH | Système de protection contre la surpression |
FR2769873A1 (fr) * | 1997-10-16 | 1999-04-23 | Alsthom Cge Alcatel | Dispositif pour retablir la pression dans l'habitacle d'un vehicule suite a une depression |
-
1999
- 1999-05-06 FR FR9905948A patent/FR2793205B1/fr not_active Expired - Fee Related
-
2000
- 2000-05-05 DE DE60009597T patent/DE60009597T2/de not_active Expired - Lifetime
- 2000-05-05 AT AT00410046T patent/ATE263694T1/de not_active IP Right Cessation
- 2000-05-05 EP EP00410046A patent/EP1050446B1/fr not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143931A2 (fr) | 1983-12-01 | 1985-06-12 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Dispositif d'aération et de climatisation des voitures ferroviaires |
EP0579536A1 (fr) | 1992-07-16 | 1994-01-19 | Gec Alsthom Transport Sa | Dispositif et procédé de suppression des variations brutales de pression dans les véhicules, en particulier dans les véhicules terrestres |
EP0622287A1 (fr) * | 1993-04-30 | 1994-11-02 | KRAPF & LEX NACHF. VERKEHRSTECHNIK GmbH & Co.KG | Dispositif de limitation de la pression dans des véhicules ferroviaires à grande vitesse |
EP0700818A1 (fr) | 1994-09-09 | 1996-03-13 | HAGENUK FAHRZEUGKLIMA GmbH | Système de protection contre la surpression |
FR2769873A1 (fr) * | 1997-10-16 | 1999-04-23 | Alsthom Cge Alcatel | Dispositif pour retablir la pression dans l'habitacle d'un vehicule suite a une depression |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102607797A (zh) * | 2012-03-15 | 2012-07-25 | 长春轨道客车股份有限公司 | 一种动车组空调压力波功能检测方法 |
WO2015176879A1 (fr) * | 2014-05-20 | 2015-11-26 | Siemens Aktiengesellschaft | Véhicule équipé d'un système de ventilation |
RU177453U1 (ru) * | 2014-05-20 | 2018-02-21 | Сименс Акциенгезелльшафт | Транспортное средство с системой вентиляции |
WO2016041549A1 (fr) * | 2014-09-15 | 2016-03-24 | Faiveley Transport Leipzig Gmbh & Co. Kg | Dispositif permettant une régulation combinée de la protection contre la pression et de la quantité d'air dans l'habitacle de véhicules ferroviaires à grande vitesse |
CN107074251A (zh) * | 2014-09-15 | 2017-08-18 | 法维莱运输莱比锡有限两合公司 | 高速有轨车辆内部空间中组合压力保护和气流量控制装置 |
CN107074251B (zh) * | 2014-09-15 | 2019-12-17 | 法维莱运输莱比锡有限两合公司 | 高速有轨车辆内部空间中组合压力保护和气流量控制装置 |
CN106564513A (zh) * | 2016-11-11 | 2017-04-19 | 中车青岛四方机车车辆股份有限公司 | 一种轨道车辆压力波控制装置和控制方法 |
CN106564513B (zh) * | 2016-11-11 | 2018-11-27 | 中车青岛四方机车车辆股份有限公司 | 一种轨道车辆压力波控制装置和控制方法 |
CN108407835A (zh) * | 2018-07-12 | 2018-08-17 | 新誉轨道交通科技有限公司 | 智能压力波保护系统及方法 |
CN108407835B (zh) * | 2018-07-12 | 2018-10-16 | 新誉轨道交通科技有限公司 | 智能压力波保护系统及方法 |
CN109552350A (zh) * | 2019-01-23 | 2019-04-02 | 中车株洲电力机车有限公司 | 一种防止长隧道列车客室压力突变的控制方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
ATE263694T1 (de) | 2004-04-15 |
FR2793205A1 (fr) | 2000-11-10 |
FR2793205B1 (fr) | 2001-08-10 |
DE60009597D1 (de) | 2004-05-13 |
EP1050446B1 (fr) | 2004-04-07 |
DE60009597T2 (de) | 2005-03-17 |
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