EP2305530B1 - Procédé de protection du système d'eau fraîche d'un véhicule contre le gel - Google Patents

Procédé de protection du système d'eau fraîche d'un véhicule contre le gel Download PDF

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Publication number
EP2305530B1
EP2305530B1 EP09012495.9A EP09012495A EP2305530B1 EP 2305530 B1 EP2305530 B1 EP 2305530B1 EP 09012495 A EP09012495 A EP 09012495A EP 2305530 B1 EP2305530 B1 EP 2305530B1
Authority
EP
European Patent Office
Prior art keywords
water
vehicle
fresh water
water tank
compressed 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.)
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Application number
EP09012495.9A
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German (de)
English (en)
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EP2305530A1 (fr
Inventor
Andreas Backhaus
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 Transport Technologies SAS
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Alstom Transport Technologies SAS
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Publication date
Application filed by Alstom Transport Technologies SAS filed Critical Alstom Transport Technologies SAS
Priority to LTEP09012495.9T priority Critical patent/LT2305530T/lt
Priority to EP09012495.9A priority patent/EP2305530B1/fr
Priority to DK09012495.9T priority patent/DK2305530T3/en
Priority to PL09012495T priority patent/PL2305530T3/pl
Priority to RU2010139980/11A priority patent/RU2559178C2/ru
Publication of EP2305530A1 publication Critical patent/EP2305530A1/fr
Application granted granted Critical
Publication of EP2305530B1 publication Critical patent/EP2305530B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D35/00—Sanitation

Definitions

  • Rail vehicles used for passenger transport have a fresh water system. This will, for example, provide a hand basin and a toilet. Of course, other consumers can be connected to this fresh water system.
  • An alternative option for emptying the fresh water system of a rail vehicle is that the train personnel actuates a corresponding switch if necessary, thereby emptying the fresh water system and protected against frost damage.
  • the invention has for its object to provide a method and apparatus for protecting the fresh water system against frost damage that offers increased protection against frost damage even under the most adverse circumstances. At the same time, the functionality of the consumers connected to the fresh water system should be maintained as far as possible even after such emptying.
  • the limit temperature T limit is usually influenced by where an actual temperature suitable for monitoring the fresh water system is detected.
  • an actual temperature suitable for monitoring the fresh water system is detected.
  • the ambient temperature or a temperature inside the rail vehicle can be used as the actual temperature.
  • the at least one fresh water tank is emptied when the voltage drops below a predetermined limit.
  • a predetermined limit it is not always necessary.
  • the heat capacity of the remaining amount of water is much lower, so that the risk of freezing is greater.
  • this also means that sufficient air volume is present in the fresh water tank, so that, assuming a suitable configuration of the tank, the freezing of the fresh water does not lead to the bursting of the fresh water tank, but the volume increase of the frozen fresh water can be compensated within the fresh water tank.
  • An alternative criterion for emptying the fresh water tank may be the duration of the time interval ⁇ T within which the voltage is below the predetermined first limit value. This becomes the specific one Heat capacity of existing water in the fresh water tank accounted for.
  • This embodiment of the method according to the invention can still be carried out even if only electrical energy and no compressed air is available.
  • a pressure in a compressed air network of the vehicle is monitored and that the water pipes and water tank are emptied when the pressure P below a predetermined second Limit value drops, with the fresh water tank (s) remaining closed.
  • the fact is taken into account that for emptying the water pipes and the water tank usually compressed air is required.
  • about 150 liters of compressed air at an outlet pressure of 8 to 10 bar is required to empty all pipes and containers in a rail vehicle. The inventive method is thus ensured that all containers and lines are emptied as long as sufficient compressed air is present.
  • the fresh water tank does not need to be emptied. This takes into account the fact that the fresh water tank ultimately empties itself only by the gravity of the water in it, so that no auxiliary energy in the form of compressed air is required. It is only necessary for emptying the fresh water tank to open a valve at the outlet of the fresh water tank and this valve is advantageously electrically operated.
  • the emptying of the water pipes and water tank provides that a drain of the gray water tank is opened, a drain of the black water tank of the toilet is opened, that the flushing of the toilets is actuated at least once, and that the existing water pipes and existing containers, unless they run empty by the gravity of the water in it, are blown out with compressed air.
  • the inventive method ensures the already known from the prior art systems pre-occupied security against frost damage and adds to the monitoring of the electrical system voltage and the pressure level in the accumulator or in the compressed air supply of the rail vehicle, so that additional security against frost damage can be guaranteed ,
  • the object of the invention is also achieved by a control device for monitoring the water of the fresh water system and / or the service water system of a Rail vehicle, wherein the control unit according to the invention operates according to one of the preceding methods.
  • the switchable directional valves are designed as ventilated directional control valves, then the shut-off line is vented after shutting off the one-way valves or valves. These vented pipe sections can no longer freeze and are thus effectively protected against frost damage. As a rule, you will interpret these valves so that they are normally closed.
  • FIG. 1 are the fresh water supply, and parts of the electrical system and a compressed air system greatly simplified and partially shown as a block diagram.
  • various consumers such as a faucet 3, a toilet flushing 5 and a water heater 7 are supplied with water by means of water pipes 9 from the fresh water tank 1 if necessary.
  • a sink 11 and a gray water tank 13 are strong shown in simplified form.
  • the sink 11 and the greywater tank 13 are connected to each other via a drain line 15.
  • a black water tank 17 is present, which has the same as the gray water tank 13 via a drain 19. Both processes 15 and 19 open into a wastewater tank, not shown.
  • the fresh water tank 1 has a flow 19, which can be opened or closed via a first directional control valve 21. In the normal case, this first directional control valve 21 is closed.
  • a second directional control valve 23 is provided immediately after leaving the fresh water tank 1.
  • this second directional valve 23 it is possible to close the fresh water tank 1 when the downstream lines 9 and consumers, in particular the water heater 7, the faucet 3 and the toilet flushing 5 are to be emptied in accordance with the invention.
  • the second directional control valve 23 is designed as a ventilated directional control valve and is normally closed.
  • the second directional control valve 23 is closed simultaneously with the emptying of the containers 7, 13, 5, so that the flow of the fresh water tank 1 is closed and the supply lines 9 are ventilated.
  • the second directional control valve 23 therefore also allows the ventilation of the supply or water line 9 in the closed position.
  • the directional control valves 21 and 23 are formed in the illustrated embodiment as electrically operated 2/2-way valves.
  • an emptying valve is provided between the water heater 7 and the faucet 3.
  • a pneumatically actuated third directional control valve 25 is provided at the outlet 19 of the water heater 7.
  • the three-way valves 21, 23 and 25 are connected via electrical or pneumatic signal lines 27, 35 with a control unit AFD.
  • the electrical signal lines are in FIG. 1 provided with the reference numeral 27.
  • the pneumatic lines which connect, for example, the pressure accumulator 35 with the pressure switch PS are provided with the reference numeral 37.
  • the controller AFD is connected to a thermostat 29 and a switch 31 via signal lines (no reference numeral). Furthermore, the control unit AFD is connected to a minimum voltage relay MVR which monitors the electrical voltage of a battery 33 of, for example, 110 volts.
  • the minimum voltage relay MVR detects a voltage which is either below a first limit value U limit, 1 of, for example, 99 volts, then the minimum voltage relay MVR transmits a corresponding signal to the control unit AFD and as a result the water lines 9 and the consumers 7, 3 and 5 deflated.
  • the minimum voltage relay MVR outputs second and other signals to the control unit AFD when the voltage is lower than a second limit value U limit, 2 or the voltage for a time interval ⁇ T is longer than a predetermined time interval ⁇ T below the first limit value U limit , 1 .
  • this second signal is applied to the control unit AFD, the first directional control valve 21 is additionally opened and the fresh water tank 1 is emptied.
  • the emptying of the fresh water tank represents one for the Passengers noticeable intervention in the function of the rail vehicle, since then all water consumers are so long without function until the fresh water tank 1 was replenished. Therefore, the fresh water tank 1 is emptied only when it is unavoidable.
  • the fresh water tank 1 is only partially filled, then the heat capacity of the existing water in the fresh water tank 1 is significantly reduced. However, then there is an air cushion in the fresh water tank 1, which can absorb the expansion of the water during freezing accordingly. This is possible in particular without damage to the fresh water tank 1 if the walls of the fresh water tank are widened in the shape of a truncated cone, for example, so that the resulting ice can slide upwards and cause no damage to the fresh water tank.
  • the pressure in a compressed air reservoir 35 is monitored by a pressure switch PS. As soon as the pressure in the compressed air reservoir 35 drops below a third limit P réelle, 3 , the pressure switch PS sends a corresponding signal to the control unit AFD and as a result the lines 9 and the consumers 7, 3 and 5 are emptied.
  • the controller AFD also has an input of a pneumatic pressure line 37 and an outlet connected to the toilet flush 5 and to the greywater tank 13.
  • a pneumatic pressure line 37 is connected to the toilet flush 5 and to the greywater tank 13.
  • the toilet flushing 5 which is usually operated with compressed air
  • the compressed air line 37 ensures that if necessary, an overpressure in the greywater tank 13 is formed so that the water in the greywater tank 13 via the outlet 19 in the waste water tank (not shown) can drain and thereby the gray water tank 13 is emptied.
  • the water heater 7 is emptied by opening the third directional control valve 25. It is recommended in terms of minimizing the compressed air requirement to first close the second directional control valve 23 and then open the third directional control valve 25, so that the water heater 7 runs empty.
  • the toilet flushing 5 is actuated by the control unit AFD at least once and the gray water tank 13 is emptied in the manner described above.
  • FIG. 2 a flowchart of the method according to the invention is shown.
  • the method according to the invention begins in a starting block.
  • a first functional block 51 the current voltage U of the electrical system or a battery and the pressure P in the pressure accumulator 35 are detected.
  • a first query block 53 it is queried whether the current pressure P is smaller than a limit value P réelle, 3 . If this is the case, then in a second functional block 55, the valve 23 is closed and the valve 25 is opened and the toilet flushing 5 is activated. This is indicated by appropriately marked arrows that depart from the second functional block 55.
  • valves 21, 23 and 25 and the toilet flushing 5 as already in connection with the FIG. 1 explained, offset in time, so that first the third directional valve 25 is opened, so that the water heater 9 can run empty and only then the toilet flushing 5 is actuated and ventilated with compressed air of greywater tank 13. The valve 21 remains closed. Then the program branches back to the beginning.
  • a second comparator 57 is queried whether the on-board voltage U is smaller than a first limit value U limit, 1 . If this is not the case, then the process branches back to the start.
  • the program branches to a third function block 59. There, similar to the second function block 55, the valves 23 and 25 and Toilet flushing 5 controlled.
  • a third comparator 61 it is checked whether the voltage U is smaller than a second limit value U limit, 2 , or the voltage is longer than a predetermined time interval ⁇ T is less than the first limit U limit, 1 . If this query is answered with no, the program branches back to the beginning. Otherwise, the first directional control valve 21 is additionally opened in a fourth function block 63.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)

Claims (14)

  1. Procédé de protection des conduites d'eau (9) et des réservoirs d'eau (1, 13) d'un véhicule, en particulier d'un véhicule ferroviaire, contre les dommages dus au gel, une tension (U) étant surveillée dans un réseau de bord électrique du véhicule et une pression (p) étant surveillée dans un réseau d'air comprimé (37) du véhicule, les conduites d'eau (9) et les réservoirs d'eau (5, 7, 13) étant vidés quand la tension (U) passe sous une première valeur limite (UGrenz,1) ou quand la pression (p) passe sous une troisième valeur limite (pGrenz,3), et de l'énergie électrique étant nécessaire pour la réalisation du procédé et de l'air comprimé étant requis pour le vidage des conduites d'eau et des réservoirs d'eau.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une évacuation (19) de la cuve d'eau fraîche (1) est ouverte quand la tension (U) passe sous une deuxième valeur limite (UGrenz,2) ou demeure sous la première valeur limite (UGrenz,1) plus longtemps qu'un intervalle de temps ([Delta]T).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'il est réalisé quand une température effective Tlst est inférieure à une température limite TGrenz.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que le vidage de la toilette (5) et/ou du réservoir d'eau grise (13) s'effectue avec de l'air comprimé.
  5. Procédé selon la revendication 4, caractérisé en ce que le vidage des toilettes s'effectue par au moins un actionnement unique de la chasse (5).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que les conduites d'eau (9) et/ou les réservoirs d'eau (5, 7, 13) sont vidés quand une température inférieure à 5[deg.]C règne à l'intérieur du véhicule.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que les conduites d'eau (9) et/ou les réservoirs d'eau (1, 13) sont vidés quand un commutateur antigel ou une touche (31) est actionné(e).
  8. Appareil de commande pour la surveillance d'un système d'eau fraîche et/ou d'un système d'eau sanitaire d'un véhicule, en particulier d'un véhicule ferroviaire, caractérisé en ce qu'il fonctionne selon l'une des revendications de procédé précédentes.
  9. Programme informatique destiné à tourner sur un calculateur, caractérisé en ce en ce qu'il fonctionne selon l'une des revendications de procédé précédentes.
  10. Système d'eau d'un véhicule, en particulier d'un véhicule ferroviaire, comprenant une cuve d'eau fraîche (1), au moins un consommateur (3, 5, 17) et au moins une conduite d'eau (9), caractérisé par la présence d'un contrôleur de tension (MVR) destiné à surveiller la tension (U) d'un réseau de bord électrique et/ou d'un contrôleur de pression (PS) destiné à surveiller la pression (p) dans un accumulateur d'air comprimé ou un réseau d'air comprimé et d'un appareil de commande (AFD) destiné à réaliser le procédé selon l'une des revendications 1 à 7, et en ce que de l'énergie électrique est nécessaire pour la réalisation du procédé et/ou et de l'air comprimé est requis pour le vidage des conduites d'eau et des réservoirs d'eau.
  11. Système d'eau selon la revendication 10, caractérisé en ce que respectivement un distributeur (21, 23) commutable est prévu sur l'amenée et sur la sortie (9, 19) de la cuve d'eau fraîche (1).
  12. Système d'eau selon la revendication 10 ou 11, caractérisé en ce qu'un troisième distributeur (25) commutable est prévu sur une sortie d'un chauffe-eau (7).
  13. Système d'eau selon la revendication 11, caractérisé en ce que respectivement un distributeur (21, 23) commutable est prévu sur les sorties (19, 9) de la cuve d'eau fraîche (1).
  14. Système d'eau selon l'une des revendications 10 à 13, caractérisé en ce qu'au moins un des distributeurs (21, 23, 25) commutable est constitué en tant que distributeur pouvant être ventilé.
EP09012495.9A 2009-10-02 2009-10-02 Procédé de protection du système d'eau fraîche d'un véhicule contre le gel Active EP2305530B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
LTEP09012495.9T LT2305530T (lt) 2009-10-02 2009-10-02 Būdas transporto priemonės gėlo vandens sistemai apsaugoti nuo užšalimo
EP09012495.9A EP2305530B1 (fr) 2009-10-02 2009-10-02 Procédé de protection du système d'eau fraîche d'un véhicule contre le gel
DK09012495.9T DK2305530T3 (en) 2009-10-02 2009-10-02 Procedure for protecting the fresh water system of a vehicle against frost
PL09012495T PL2305530T3 (pl) 2009-10-02 2009-10-02 Sposób ochrony układu świeżej wody pojazdu przed mrozem
RU2010139980/11A RU2559178C2 (ru) 2009-10-02 2010-09-30 Способ защиты от замерзания системы свежей воды в транспортном средстве

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09012495.9A EP2305530B1 (fr) 2009-10-02 2009-10-02 Procédé de protection du système d'eau fraîche d'un véhicule contre le gel

Publications (2)

Publication Number Publication Date
EP2305530A1 EP2305530A1 (fr) 2011-04-06
EP2305530B1 true EP2305530B1 (fr) 2017-01-04

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EP09012495.9A Active EP2305530B1 (fr) 2009-10-02 2009-10-02 Procédé de protection du système d'eau fraîche d'un véhicule contre le gel

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EP (1) EP2305530B1 (fr)
DK (1) DK2305530T3 (fr)
LT (1) LT2305530T (fr)
PL (1) PL2305530T3 (fr)
RU (1) RU2559178C2 (fr)

Cited By (1)

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RU199012U1 (ru) * 2017-06-13 2020-08-07 Сименс Мобилити Гмбх Устройство питьевого водоснабжения рельсового транспортного средства

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DE102011088172B4 (de) * 2011-12-09 2014-07-31 Siemens Aktiengesellschaft Frischwasserversorgungsanlage für ein Schienenfahrzeug
DE102012213975A1 (de) * 2012-08-07 2014-02-13 Siemens Aktiengesellschaft Schienenfahrzeug mit einem innen liegenden Tank
AT513557B1 (de) * 2012-10-08 2014-07-15 Siemens Ag Oesterreich Tankentleerungseinrichtung
CN105774841B (zh) * 2016-03-02 2017-12-29 王建明 热风排空式旅客列车防冻上水系统
CN110481581A (zh) * 2019-08-13 2019-11-22 株洲车城机车配件股份有限公司 一种新型高寒用机车卫生间防冻排空系统
CN112208574B (zh) * 2020-09-11 2022-05-10 中车株洲电力机车有限公司 一种车辆排水防冻系统及控制方法
CN113085932A (zh) * 2021-05-28 2021-07-09 宁波中车时代电气设备有限公司 真空集便机车卫生系统及冲洗、排空方法

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SU48489A1 (ru) * 1935-11-29 1936-08-31 Л.Ф. Митрофанов Устройство дл водоснабжени пассажирских вагонов
NL46777C (fr) * 1936-12-24
FR907387A (fr) * 1944-04-06 1946-03-11 Cie Generale De Travaux D Ecla Installation de chauffage d'eau
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RU2222671C2 (ru) * 2001-12-05 2004-01-27 Вафин Минхасян Валиевич Устройство для подачи воды из скважины в башню и его автоматический сливной клапан
RU79856U1 (ru) * 2008-05-27 2009-01-20 Общество С Ограниченной Ответственностью Научно-Производственный Центр "Экспресс" Установка вакуумного насоса для оборудования вакуумных туалетных систем транспортных средств

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RU199012U1 (ru) * 2017-06-13 2020-08-07 Сименс Мобилити Гмбх Устройство питьевого водоснабжения рельсового транспортного средства

Also Published As

Publication number Publication date
RU2559178C2 (ru) 2015-08-10
LT2305530T (lt) 2017-03-27
RU2010139980A (ru) 2012-04-10
PL2305530T3 (pl) 2017-07-31
EP2305530A1 (fr) 2011-04-06
DK2305530T3 (en) 2017-03-20

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