EP3697665A1 - Schienenfahrzeug mit absaugleitung - Google Patents
Schienenfahrzeug mit absaugleitungInfo
- Publication number
- EP3697665A1 EP3697665A1 EP18815538.6A EP18815538A EP3697665A1 EP 3697665 A1 EP3697665 A1 EP 3697665A1 EP 18815538 A EP18815538 A EP 18815538A EP 3697665 A1 EP3697665 A1 EP 3697665A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressed air
- rail vehicle
- valve
- line
- suction line
- 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
- 238000000605 extraction Methods 0.000 title abstract description 10
- 239000002351 wastewater Substances 0.000 claims abstract description 95
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 description 7
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- METKIMKYRPQLGS-UHFFFAOYSA-N atenolol Chemical compound CC(C)NCC(O)COC1=CC=C(CC(N)=O)C=C1 METKIMKYRPQLGS-UHFFFAOYSA-N 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D35/00—Sanitation
Definitions
- the present invention relates to a rail vehicle with suction.
- the wet cells in rail vehicles also include the water container from where the accumulated in the toilets and hand basins wastewater is collected.
- the wastewater tank is emptied via a suction line.
- a mobile or stationary extraction system is connected to a Absaugan connection outside the vehicle.
- a ball valve or other shut-off valve With a pump he testifies the suction of a negative pressure of 0.6 to 0.8 bar, whereby the wastewater is sucked out of the wastewater tank.
- the suction lines are designed for internal water tanks from the bottom so that the wastewater is sucked in the wastewater, the suction leads upwards from the wastewater tank and the suction is the lowest point of the suction, so that the waste water can be easily ge promotes.
- a minimum and maximum height is specified for the operation.
- the vehicle contour does not always allow a displacement of the suction with the suction as the lowest point.
- vehicles for example, double-decker vehicles, in which the suction line is laid in the rail vehicle under the floor and the suction connection is clearly above this level Lich.
- the U-shape is only one form of suction, which can be problematic and for which the present invention provides a solution.
- Absaug effetive and reactive advants of wastewater
- the suction line adversely remain filled with wastewater residues.
- the task is to develop a rail vehicle with suction line, in which easily and inexpensively residual or residual wastewater from the suction line can be removed.
- a rail vehicle which comprises a wastewater container. Further, the rail vehicle summarizes a suction line, which is connected to the waste water tank and from the Abwasserbenzol ter to a suction port for sucking the waste water ge leads. The rail vehicle further includes a suction line in the introduced from the shut-off valve, which opens the suction line in a ge opened state and closes the suction line in a ge closed state. Furthermore, the rail vehicle summarizes a compressed air line, which is connected via a compressed air connection to the suction line and is set up in the closed state of Shut-off valve Introduce compressed air into the suction line via the compressed air connection with the compressed air connection positioned between the shut-off valve and the waste water tank.
- compressed air is meant in particular compressed air, which has a pressure of several bar, for example more than 5 bar, 8 bar or even 10 bar.
- a compressed air line is a line which is designed to withstand pressure air and to direct compressed air.
- An external extraction system for extracting the waste water from the waste water tank can be connected to the suction connection.
- a shut-off valve for example, a ball valve into consideration, the invention is not limited thereto.
- the invention has the advantage that can be blown back via the compressed air line by means of compressed air residual or residual wastewater in the suction in the sewage tank.
- the compressed air flows through the compressed air connection in the suction line, is stopped by the shut-off valve located in ge closed state and builds a pressure between the shut-off valve and the fancy surrounded sewage, whereby the remaining waste water is pressed into the water container from.
- the solution for emptying the suction line with a compressed air line is a simple means and increases the reliability. Bursted or clogged suction lines, such as may be done by a freezing in the suction wastewater, can lead to downtime of the toilet and repair measures, which is avoided by the present invention by the return of wastewater into the wastewater tank with compressed air.
- the Druck Kunststofflessness device is connected to the suction in such a way that as possible no sewage can penetrate into the compressed air line.
- the design with the compressed air line is simple and can also be retrofitted for existing rail vehicles, since apart from the additional components no structural changes have to be made.
- the suction line comprises a drain between the waste water tank and the shut-off valve, wherein the compressed air connection between the sink and the shut-off valve is positio ned.
- suction lines which have a sink or in other words a U-shape, typi cally
- a residual amount of wastewater remains within the suction line in each suction, in particular within the sink.
- the compressed-air line is connected to a compressed air system positioned within the rail vehicle.
- a compressed air system positioned within the rail vehicle.
- the compressed air line preferably comprises a control valve wel ches opens in an open state, the compressed air line, so that compressed air is passed through the compressed air connection in the suction line, and in a closed state, the compressed air line closes, so that no compressed air is passed through the compressed air connection in the suction line.
- the rail vehicle comprises a control unit which is adapted to open the control valve when the shut-off valve is closed.
- a control unit is, for example, the control of a wet cell into consideration, the invention is not limited thereto.
- the shut-off valve comprises a switch which is adapted to send a signal to the control unit upon closure of the shut-off valve, the control unit being adapted to open the control valve of the compressed air line in response to the signal.
- a switch here is preferably a limit switch, also called position switch, into consideration.
- control unit is adapted to close the control valve after a predetermined return blowing time. This automatically terminates the introduction of the compressed air into the suction line.
- the blow-back time may be, for example, 10 or 20 seconds, but the invention is not limited thereto.
- control unit is adapted to alternately open and close the control valve during the blowback time. So instead of continuously supplying compressed air, compressed air is pulsed into the suction line in such an embodiment. As a result, an improved or more efficient blow-back of the rest of the waste water in the sewage tank can be done. In such a pulsed operation also advantageously less compressed air is consumed.
- the waste water tank comprises a Giammes water for measuring the level of the waste water tank, wherein the control unit is adapted to read the level of the waste water tank and above a maximum level, the control valve to keep closed or close.
- the control unit is adapted to read the level of the waste water tank and above a maximum level, the control valve to keep closed or close.
- the suction line comprises a pressure sensor, wel cher po sitioned between the shut-off valve and the waste water container and is designed to measure the pressure within the suction line, wherein the control unit is adapted to open in response to the measured pressure, the re gelventil the compressed air line or keep closed.
- the control unit is adapted to open in response to the measured pressure, the re gelventil the compressed air line or keep closed.
- This can be checked to see if the suction line is full or clogged. For example, this can be done by means of a pressure surge of the control valve, which is then detected by the pressure sensor.
- the pressure sensor is preferably positioned at the compressed air connection.
- the suction pipe between the waste water tank and the shut-off valve comprises a level gauge for Mes sen of the level in the suction
- the control unit is set up to read the measured level of the suction and the control valve of the pressure air line at a level above a perennial Stirll conditions to open.
- a triggering of the blow-back take place when detected by means of the level meter, a minimum filling of the suction line is detected or detected.
- the compressed air line comprises a pressure reducer.
- the compressed air system of a railway vehicle typically produces compressed air with a pressure of up to 10 bar. This may be too high for the blowback application needed here.
- a pressure reducer can throttle this pressure, for example, a reduction in pressure by means of the pressure reducer rers to 5 bar, which is for the specific application the return blow is sufficient. With the pressure reducer thus a suitable pressure of the compressed air can be adjusted.
- the rail vehicle may also include a manual switch, which is positioned externally on or in the rail vehicle and is adapted to open the control valve of the compressed air line.
- a manual switch which is positioned externally on or in the rail vehicle and is adapted to open the control valve of the compressed air line.
- the compressed air line can be routed to an external compressed air connection positioned on the outside of the rail vehicle. This allows an external compressed air system to be connected to the compressed air connection. Above all, such a solution allows easy retrofitting. A control unit and other additional components do not have to be integrated
- FIG. 1 shows a rail vehicle according to the invention according to a first embodiment
- FIG. 2 shows a rail vehicle according to the invention according to a second embodiment
- Figure 3 shows a rail vehicle according to the invention according to a third embodiment
- FIG. 1 shows a rail vehicle 1 according to a first embodiment of the invention.
- the rail vehicle 1 comprises a wastewater container 10.
- waste water generated by using fresh water by users / passengers on the rail vehicle 1 can be collected or temporarily stored.
- a sewer 80 for greywater and / or black water of a wet cell bezie as out of a toilet system 82 of the rail vehicle 1 to the wastewater tank 10 and connected to the Abwasserbenzol ter 10, so that the wastewater are passed from the water tank 10 in the can.
- the rail vehicle 1 further comprises a suction line 20.
- the suction line 20 is connected to the waste water tank 10 is connected and leads from the waste water tank 10 to a suction connection from 30 to suck the wastewater.
- the Absaugan circuit 30 is preferably mounted on an outer side of the rail nenhuss 1, so that with an external can be connected to the suction 30 suction via this suction port 30, the wastewater from the waste water tank 10 and the suction line 20 can be sucked. Such a suction can take place if necessary.
- the rail vehicle 1 further comprises a device in the Absauglei 20 introduced shut-off valve 22, which opens the suction line 20 in a ge opened state and closes the suction line 20 in a ge closed state. From the check valve 22 may be executed, for example, as a ball valve or from stopcock.
- the rail vehicle 1 comprises a compressed air line 40.
- a compressed air line 40 is a line which is designed for conveying compressed air, ie air at high pressure for example in the range of several bar such as 5 bar or 10 bar. Such a compressed air line 40 thus differs from a conventional line.
- the compressed air line 40 is connected via a Druckbuchan circuit 42 to the suction line 20.
- the compressed air connection 42 is positioned between the shut-off valve 22 and the wastewater container 10.
- the compressed air line 40 is designed to initiate or guide compressed air via the compressed air connection 42 into the suction line 20 in the closed state of the shut-off valve 22.
- the underlying de principle of the invention is that compressed air, which is introduced via the compressed air port 42 into the suction line 20 be fed as fed, can not escape through the closed shut-off valve 22. Rather, presses, bezie as pressed, or blows the compressed air in the suction 20 located residual wastewater back into the wastewater tank 10.
- the blow-back of this wastewater has the part before that no wastewater in the suction line 20 remains and thus, for example, a freezing of this wastewater and associated blockages or damage to the suction line 20 can be avoided.
- the designer of the rail vehicle 1 is much freer in the spatial planning of the rail vehicle, since the suction line 20 does not have to follow a strictly predetermined course.
- the compressed air line 40 is preferably connected to the suction line 20 in such a way that as far as possible no wastewater can penetrate into the compressed air line 40.
- a check valve 49 in the pressure air line 40 may be introduced, wherein the invention is not limited thereto.
- this check valve 49 may preferably be positioned in the vicinity of the compressed air port 42, so that no wastewater via the Druckbuchan circuit 42 passes into the compressed air line 40.
- the invention can also be nachrüs for existing rail vehicles 1 th, since no or at least only a few structural changes must be made conditions.
- the Absauglei device 20 a sink 24 between the waste water tank 10 and the shut-off valve 22.
- the compressed air connection 42 is hereafter posi tioned between the sink 24 and the shut-off valve 22.
- the constellation that the suction line 20 has such a sink 24 are critical points at which de NEN residual waste accumulates and damage to example by freezing of the waste water to the Absauglei device 20 and blockages in the suction line 20 can lead.
- the positioning of the compressed air port 42 he also follows, for example, at the end of the shut-off valve 22 facing increase in the sink 24.
- the sink has a U-shape and forms a local minimum in the suction line 20.
- the described positioning of Druckmaschinean circuit 42 makes it possible that in the sink 24 Lich wastewater is blown back by means of the compressed air with closed from shut-off valve 22 into the waste water tank 10.
- the compressed air line 40 is connected in this embodiment at play to a positio ned within the rail vehicle 1 compressed air system 44.
- Compressed air lines 40 can be used to blow back the wastewater into the waste water tank 10.
- a re gelventil 46 is provided in this embodiment.
- the compressed air line 40 is opened, so that compressed air via the compressed air port 42 into the suction line 20 is guided.
- the compressed air line 40 is closed, so that no compressed air can be guided via the compressed air connection 42 into the suction line 20.
- a control unit 50 is provided.
- the control unit 50 opens the control valve 46 when the shut-off valve 22 is closed.
- the check valve 22 may further comprise a switch 23, for example, a limit switch, which detects the closing of the check valve 22 detected as detected.
- the switch 23 can, for example, upon closure of the shut-off valve 22, send a signal to the control unit 50 via a signal line S1 guided by the shut-off valve 22 for the control unit 50.
- the control unit 50 may in turn open the control valve 46 of the compressed air line 40 in response to the received signal.
- a control signal can be sent via a control unit S2 leading from the control unit 50 to the control valve 46.
- the control valve 46 has in this Ausure tion form also exemplifies a switch 47, for example, also a limit switch.
- the control unit 50 preferably closes the control valve 46 automatically after a predetermined blow-back time.
- a control signal to the control valve 46 ge sends so that the control valve 46 is closed after the expiry of the blowback time.
- the remindblaszeit can wear for example 20 seconds or, for example, 10 seconds be, the invention is not limited to these numerical examples.
- the control unit 50 may also be set so that the control valve 46 alternately ge opens and is closed during the remindblaszeit.
- the compressed air is conveyed ge pulse in the suction line 20, resulting in a verbes serten or more efficient blowback in comparison can lead to a continuous supply of compressed air.
- small residues of wastewater can be better blown back into the waste water tank 10.
- the invention also includes that alternately continuous Lich and then pulsed compressed air into the suction line 20 ge leads.
- compressed air can be passed into the suction line 20 in a first period of time, so that initially a large amount of waste water is returned to the water tank 10 from.
- pulsed compressed air can be fed into the suction line 20 who the, so then the residual wastewater is returned.
- the amount of compressed air is saved in pulsed operation.
- FIG. 2 shows a rail vehicle 1 according to a second embodiment of the invention. In the following, compared with FIG. 1, only the differences will be discussed.
- the waste water tank 10 further comprises a level gauge 12, for example, a level sensor.
- the level gauge 12 in this case measures the filling level of the wastewater in the waste water tank 10.
- the control unit 50 can read the level of the waste water tank 10. This can be done, for example, by means of a Mess Schemelei device Ml, which connects the level gauge 12 with the STEU mecanicsaku 50, via which the level is transmitted to the control unit 50.
- the control unit 50, the control valve 46 then in the event that the filling level is above a maximum level, keep the control valve 46 is closed or alternatively close, if it was open. The latter may occur, for example, when the maximum level is exceeded only during the return blow.
- the suction line 20 comprises a pressure sensor 26.
- the pressure sensor 26 is hereby positioned between the shut-off valve 22 and the wastewater container 10.
- the pressure sensor 26 is positioned at the compressed air port 42, but the invention is not so limited.
- the pressure sensor 26 is hereby designed to measure the pressure within the suction line 20.
- a measurement data line M2 which connects the pressure sensor 26 to the control unit 50, the measured pressure in the suction line 20 can be transferred to the control unit 50.
- the control unit 50 may then open or close the control valve 46 of the compressed air line 40 in response to the measured pressure.
- the pressure sensor 26 can be checked by, for example, a small pressure surge, if the suction line 20 is full or clogged. Thus, it can then be decided on the basis of the measured pressure by the control unit 50, whether a return blowing by means of compressed air is to take place or not. Also, upon detection of overfilling or obstruction of the suction line 20, a warning to the service staff who the who then start, for example, a return blow from the outside ver, see the embodiment of Figure 3, or by a manual switch, see the Execution form according to FIG. 4
- the suction line 20 may include a level gauge 28 between the sewage tank 10 and the check valve 22, as shown in the present figure, for measuring the level in the suction line 20 include. This may be positioned at a suitable location within the suction line 20, for example in the rising part of the sink 24, where in the invention is not limited thereto.
- the level gauge 28 can detect whether the suction line 20 is filled. If the suction line 20 is filled, the measured fill level or the presence of waste water can be transferred to the control unit 50 via a measuring data line M3.
- the control unit 50 may then be adapted to read in the measured level of the suction line 20 and the control valve 46 of the compressed air line 40 at a filling level to open above a minimum level.
- the compressed air is then performed by the compressed air line 40 in the Absauglei device 20.
- This has the advantage that the triggering of the blowback occurs only when actually restli Ches wastewater in the suction line 20 by the Medstandmes ser 28 is detected. Superfluous blowback and thus waste of compressed air is therefore avoided.
- the compressed air line 40 has a pressure reducer 48. This is in this case between the control valve 46 and the Druck Kunststoffan circuit 42 positioned.
- the compressed air system 44 of a rail nenhuss 1 typically generates a compressed air with egg nem pressure of up to 10 bar, which may not be necessary or too high for the presentrastbla solution.
- a pressure reducer 48 installed in the compressed air line 40 can independently reduce the pressure to a lower pressure, for example 5 bar. With the pressure reducer 48 in particular a suitable pressure for the presentrastbla solution of wastewater can be adjusted.
- a specific implementation for the pressure reducer 48 may be based on empirical values, for example. Furthermore, the problem of overflow of waste water from the waste water tank 10 is prevented or at least mitigated by the pressure lower 48.
- FIG. 3 shows a rail vehicle 1 according to a third embodiment of the invention.
- the rail vehicle 1 has in comparison to Figure 1 in the water embodiment, a manual switch 60 or button. This is attached to the outside of the rail vehicle 1. Al ternative, not explicitly shown here, the manual Switch 60 may also be positioned in the rail vehicle 1.
- the control valve 46 of the compressed air line 40 can be opened, for example, by service personnel.
- a control line S3 is provided between the switch 60 and the control valve 46 for the purpose of transmitting a control signal.
- the suction line 20 can be emptied by manual actuation, if simultane- ously the shut-off valve 22 is closed.
- the manual tripping Sen can also be done if, as described in connection with Figure 2, overfilling or obstruction of the suction line 20 by a pressure sensor, not shown in this figure 3 for clarity, is detected.
- FIG. 4 shows a rail vehicle 1 according to a fourth embodiment of the invention.
- the compressed-air line 40 is guided to an externally positioned on the rail vehicle 1 external Druck Kunststoff für circuit 70.
- an external compressed air system can be connected, which directs the compressed air in the closed position of the check valve 22 in the suction line 20.
- Such an embodiment of the invention requires no control unit and no additional components, so that such a realization can be realized oh ne special effort.
- Such an embodiment is particularly easy to retrofit bar.
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
- Treatment Of Sludge (AREA)
- Refuse-Collection Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017223080.0A DE102017223080B4 (de) | 2017-12-18 | 2017-12-18 | Schienenfahrzeug mit Absaugleitung |
PCT/EP2018/082393 WO2019120883A1 (de) | 2017-12-18 | 2018-11-23 | Schienenfahrzeug mit absaugleitung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3697665A1 true EP3697665A1 (de) | 2020-08-26 |
EP3697665B1 EP3697665B1 (de) | 2021-08-04 |
Family
ID=64661285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18815538.6A Active EP3697665B1 (de) | 2017-12-18 | 2018-11-23 | Schienenfahrzeug mit absaugleitung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3697665B1 (de) |
CN (1) | CN213831686U (de) |
DE (1) | DE102017223080B4 (de) |
ES (1) | ES2896692T3 (de) |
RU (1) | RU200513U1 (de) |
WO (1) | WO2019120883A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019209517B4 (de) | 2019-06-28 | 2022-03-10 | Siemens Mobility GmbH | Fahrzeug mit Frostentleerungseinrichtung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29702366U1 (de) | 1997-02-12 | 1998-06-10 | Sanivac Vakuumtechnik GmbH, 22880 Wedel | Vorrichtung zum Absaugen des Inhalts von Abwassersammeltanks |
RU109069U1 (ru) * | 2011-02-18 | 2011-10-10 | Общество с ограниченной ответственностью "Промышленные вакуумные системы" | Санитарно-техническое оборудование двухэтажного пассажирского вагона |
DE102012213975A1 (de) | 2012-08-07 | 2014-02-13 | Siemens Aktiengesellschaft | Schienenfahrzeug mit einem innen liegenden Tank |
DE102014213653A1 (de) | 2014-07-14 | 2016-01-14 | Siemens Aktiengesellschaft | Wasserverteilungssystem für ein Schienenfahrzeug |
CN104477191B (zh) * | 2014-12-09 | 2017-04-05 | 无锡金鑫集团股份有限公司 | Crh380bk高速动车组卫生间灰水收集*** |
DE102015205825B4 (de) | 2015-03-31 | 2021-09-23 | Siemens Mobility GmbH | Verfahren zur Frostentleerung eines Frischwasserbehälters für ein Schienenfahrzeug des Personenverkehrs und Schienenfahrzeug des Personenverkehrs mit einer Frostentleerungseinrichtung |
DE202015002424U1 (de) | 2015-03-31 | 2015-04-30 | Siemens Aktiengesellschaft | Frostentleerung eines Tanks eines Schienenfahrzeugs |
-
2017
- 2017-12-18 DE DE102017223080.0A patent/DE102017223080B4/de active Active
-
2018
- 2018-11-23 RU RU2020120035U patent/RU200513U1/ru active
- 2018-11-23 CN CN201890001427.5U patent/CN213831686U/zh active Active
- 2018-11-23 WO PCT/EP2018/082393 patent/WO2019120883A1/de unknown
- 2018-11-23 EP EP18815538.6A patent/EP3697665B1/de active Active
- 2018-11-23 ES ES18815538T patent/ES2896692T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
CN213831686U (zh) | 2021-07-30 |
DE102017223080A1 (de) | 2019-06-19 |
EP3697665B1 (de) | 2021-08-04 |
RU200513U1 (ru) | 2020-10-28 |
WO2019120883A1 (de) | 2019-06-27 |
ES2896692T3 (es) | 2022-02-25 |
DE102017223080B4 (de) | 2020-01-09 |
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