EP3976435A1 - Fahrzeugtoilette, fahrzeug, betriebsverfahren und leibstuhl - Google Patents
Fahrzeugtoilette, fahrzeug, betriebsverfahren und leibstuhlInfo
- Publication number
- EP3976435A1 EP3976435A1 EP20739905.6A EP20739905A EP3976435A1 EP 3976435 A1 EP3976435 A1 EP 3976435A1 EP 20739905 A EP20739905 A EP 20739905A EP 3976435 A1 EP3976435 A1 EP 3976435A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- toilet
- heating device
- warm air
- chair
- 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.)
- Withdrawn
Links
- 238000011017 operating method Methods 0.000 title claims description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000004378 air conditioning Methods 0.000 claims description 16
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 239000008400 supply water Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D35/00—Sanitation
- B61D35/005—Toilet facilities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0036—Means for heating only
Definitions
- a vehicle toilet is specified.
- a vehicle with such a vehicle toilet as well as a personal chair and an operating method for such a vehicle toilet are specified.
- the publication WO 2016/050670 A1 relates to a toilet device with a backwash function for a particle filter.
- One problem to be solved is to provide a vehicle toilet that can be operated safely and reliably.
- Another object to be solved is to specify an efficient operating method for such a vehicle toilet.
- the vehicle toilet comprises a personal chair and a heating device.
- the body chair has an outer paneling, a toilet bowl and at least one water pipe in a space between the outer paneling and the toilet bowl, it being possible for additional water-carrying components and / or body chair hydraulics as well as valves and nozzles to be present.
- the heater is for this set up to heat the at least one water pipe and the toilet bowl.
- vacuum-pressure toilets are often installed as toilets. These toilets are able to flush with a small amount of water.
- the technical scope of these systems is significantly larger than that of domestic toilets. If, for example, a rail vehicle is switched off in winter and parked without heating, the water system, comprising a tank system, piping and the toilet, is drained so that these components are not damaged by frost.
- the toilet Since the toilet is not heated and the technical room of the toilet is usually not connected to the air-conditioned areas of the rail vehicle, it can take several hours for the water to thaw again. If the passenger compartment reaches a certain temperature with the help of the air conditioning, the train is ready for operation. The toilet, however, is still locked because there is no water available because the temperature of the vehicle toilet is still too low. This blocking comes about in particular through a temperature sensor. Without a temperature sensor it would be possible that the toilet would operate in this state, but this does not work due to ice formation.
- an air duct is preferably laid from an air conditioning duct, the open end of which is directed into the technical area of the toilet system.
- the air conditioner starts to blow out warm air, which is also directed through the duct to the toilet.
- a thermostat is preferably installed at the end of the channel, which detects whether warm air is actually being blown in. For example, only when this thermostat detects warm air for a predetermined period of time can the toilet go into operation.
- the commissioning routine of the toilet is preferably adapted.
- the thermostat reports a temperature to a controller when the vehicle is switched on. If this temperature is below a certain threshold value, for example 2.5 ° C, a warm-up routine for the chair starts.
- the heating routine works for a certain time, in particular at least 0.5 hours and at most 2 hours, for example 60 minutes.
- the water supply to the body chair is only released after the warm-up routine has been completed. This is how long warm air is preferably blown in. After the warm-up routine has been completed, the toilet is released and goes into operation.
- This time span of around 1 hour for the vehicle toilet's warm-up routine can be adjusted, but it is an efficient value that should generally be aimed for, since this is also the approximate time span that is typical for a train needed to heat up before it can go into passenger service. These adjustments ensure that water is only fed to the toilet system when it is warm enough and can no longer freeze.
- a temperature sensor at the end of the air duct can also be used to monitor the frost protection of the toilet system during operation. If the train is in operation and the temperature at the sensor falls below a certain value, for example 2.5 ° C, the water system can be drained from frost to protect the toilet system from frost damage.
- the air exiting the body chair area is preferably suitable, if necessary, to also put a surrounding tank space area in a frost-free state. This reduces the risk of frost damage to the piping of internal tanks.
- the water-carrying components are actively heated, especially in the event of frost, and the commissioning of this toilet is supported. Since the toilet is frost-free when the vehicle is ready for operation, the availability of the toilet is increased. Failures due to frost damage to the toilet are avoided. The safety of the toilet system is increased during operation, as the system detects frost and can empty itself before damage occurs that could otherwise lead to breakdowns, repairs and consequential damage.
- the air duct is laid separately from the toilet and is connected to the air conditioning ducts of the vehicle and directs the warm air to the toilet. Thereby no separate fan or heater is required to blow in warm air, as the amount of air extracted does not significantly affect the vehicle's air conditioning.
- the preferred temperature sensor and / or temperature switch provides for the detection and controls the operational readiness of the toilet.
- this functionality can also be implemented by an independent heater that blows in air or is designed to accompany the pipe.
- the signal from the temperature sensor and / or switch is preferably incorporated into the software of a toilet control.
- the sensor signal then triggers a corresponding routine, i.e. in particular delayed start-up by shutting off the water for a certain time and blowing warm air or emptying frost during operation when the temperature falls below the temperature threshold.
- a warning or a message can also be generated to the train crew, informing them of the risk of frost.
- the body chair is designed as a vacuum-pressure toilet. This means that the Leibiene then also has all the necessary connections such as compressed air lines and electrical wiring.
- the outer cladding is designed as a cover.
- the outer cladding can therefore be of no importance for the toilet functionality of the body chair.
- At least one supply water line, in particular for flushing water, and at least one waste water line, in particular for emptying the toilet bowl are present in the space between the outer lining and the toilet bowl.
- Other water-bearing components such as intermediate tanks,
- Pressure vessels and / or pumps are available. All water-conducting components, including the toilet bowl, are preferably heated by means of the heating device when it is in operation.
- the heating device comprises one or more hot air supplies.
- the preferably exactly one hot air supply is connected in particular to a vehicle air conditioning system of the vehicle, preferably to a warm air duct of the vehicle air conditioning system. This means that warm air can flow into the space via the warm air supply in order to warm all water-carrying components in the space.
- the body chair is set up so that the warm air, after it has flowed through the intermediate space, exits the body chair on a mounting side and / or on a bottom side. In this way, the warm air can be used to warm other components, in particular a water supply to the body chair and away from the body chair.
- the intermediate space is sealed off airtight or almost airtight towards a user space around the body chair.
- airtight means that there is no significant air flow from the intermediate space into the user room. This means that the air flow is not used in particular for heating the user room.
- air-tight does not rule out negligible air flows from the intermediate space into the user space, for example of at most 0.1 slm or at most 1 slm or at most 10 slm. Slm stands for standard liters per minute.
- the heating device comprises an electrically operated heat source, for example a heating coil with or without a fan, a heating mat and / or a heating tape.
- the heat source can work indirectly via convection or directly mainly via heat conduction.
- the heating device can also be implemented by a hot water flow.
- the heat source is partially or completely integrated in the intermediate space or is at the gap.
- the vehicle toilet comprises one or more temperature sensors.
- the at least one temperature sensor is preferably attached on or in the body chair, for example on the at least one water pipe.
- the at least one temperature sensor is set up to interact with a safety circuit so that the vehicle toilet can be operated without damaging ice formation and / or frost-proof.
- the safety circuit can be part of the vehicle toilet and, for example, be housed in the body chair.
- the vehicle toilet comprises a control circuit or is connected to a control circuit.
- the control circuit is set up to switch the heating device on and off and / or to regulate it.
- the control circuit accesses a valve in order to turn the hot air flow on or off.
- a seat surface of the body chair is unheated. That is, the heating device is not designed for the immediate comfort of a user of the vehicle toilet. In particular, toilet seats are free of any heating device. At most, a negligible, unintentional transfer of heat from the toilet bowl to the toilet seat, for example, can occur in this case.
- the chair is mounted on a front wall that is attached in front of a mounting wall. Piping can be attached between the front wall and the mounting wall.
- the heating device is preferably set up to heat an area between the front wall and the mounting wall and / or an area directly behind the mounting wall.
- the body chair is attached directly to the mounting wall.
- a vehicle is also specified.
- the vehicle comprises one or more vehicle toilets, as described in connection with one or more of the aforementioned embodiments. Features of the vehicle are therefore also disclosed for the vehicle toilet and vice versa.
- the vehicle toilet or the multiple vehicle toilets are permanently installed in the vehicle. That is, the at least one vehicle toilet is permanently and irreversibly in the vehicle as intended.
- the vehicle is a rail vehicle, in particular a passenger train or a freight train.
- the vehicle can also be an airplane, a ship or a motor vehicle, such as a camper van.
- the body chair is particularly preferably connected to a vehicle air conditioning system of the vehicle.
- an operating method for a vehicle is specified, in particular for a vehicle, as described in connection with one or more of the aforementioned embodiments.
- Features of the operating procedure are therefore also disclosed for the vehicle as well as for the vehicle toilet and vice versa.
- the body chair and the water-carrying components located therein are permanently or temporarily heated, in particular during a commissioning phase of the vehicle.
- Warm air is preferably blown into the chair during operation of the vehicle air conditioning system continuously or only intermittently.
- a temperature sensor ensures that commissioning of the vehicle toilet is delayed so that the vehicle toilet is only supplied with water and / or starts operating when a sufficient temperature has been measured, the sufficient temperature being ensured in particular by means of the heating device . Subsequently, after the sensor reported a sufficient temperature, there can be a waiting time for commissioning, for example a waiting time of at least 0.1 h and / or at most 1 h. The waiting time is used to allow any ice that was previously present to melt after the minimum temperature has been reached.
- a personal chair for a vehicle toilet is specified, in particular for a vehicle toilet, as described in connection with one or more of the aforementioned embodiments.
- Features of the body chair are therefore also disclosed for the vehicle and for the vehicle toilet and the operating method, and vice versa.
- Figure 1 shows a schematic sectional view of a chair described here
- Figure 2 shows a schematic side view of a vehicle toilet described here
- FIG. 3 shows a schematic perspective sectional illustration of a vehicle toilet described here
- FIGS. 4 and 5 show schematic sectional illustrations of vehicle toilets described here
- Figure 6 shows a schematic side view of a vehicle described here
- FIG. 7 shows a schematic perspective illustration of a vehicle toilet described here.
- FIG. 1 an embodiment of a body chair 2 is shown.
- the body chair 2 comprises a toilet bowl 22 on which there is optionally a toilet seat for a seat 27, followed by a cover 28.
- An outer shell of the body chair 2 is formed by an outer paneling 21.
- the outer cladding 21 can extend on side surfaces, on an underside and on an upper side of the body chair 2 and is visible from the outside.
- a mounting side 26 of the body chair 2 is formed by its rear side, so that the body chair 2 can preferably be connected without contact with the floor.
- an intermediate space 25 Between the outer paneling 21 and the toilet bowl 22 there is an intermediate space 25.
- functional components of the body chair 2 are accommodated, in particular water pipes 23, waste water pipes 24, intermediate containers, valves, pumps, electronic components. To simplify the drawing, these components are each not illustrated or only illustrated in a greatly simplified manner.
- the or one of the supply water lines 23 extends as far as the toilet bowl 22. This is only indicated in the figures.
- frost-sensitive components such as valves or nozzles, which must also be kept free of ice.
- a warm air supply 31 for example a hose connection for an air conditioning duct, is located on the body chair 2 as a heating device 3.
- the warm air supply 31 is attached to the assembly side 26.
- the warm air supply 31 can optionally include a valve, not shown. Further valves, not shown, can be present on the water lines 23, 24.
- a vehicle toilet 1 which comprises a personal chair 2.
- This body chair 2 is constructed in principle, for example, as illustrated in FIG.
- the body chair 2 is mounted on a front wall 81 without contact with a floor 85.
- the body chair 2 is optionally located on a projection 84 in front of a mounting wall 82, but preferably the body chair 2 is mounted directly on the mounting wall 82 and thus without a projection.
- additional components of the personal chair 2 such as a safety circuit 61 for protection against frost damage and a control circuit 62 for the heating device 3, are schematically sketched in FIG.
- the outer cladding 21 is shown as a dashed line.
- the safety circuit 61 is, for example, part of a control system for the entire toilet module and does not need to be a separate component.
- the safety circuit 61 in conjunction with a temperature sensor, not shown in FIG. 2 has the effect that the commissioning of the toilet is delayed until freedom from ice is ensured.
- the control circuit 62 for the heating device 3 comprises in particular one
- Temperature switch not shown, or consists of a temperature switch.
- the temperature sensor (not shown) and the temperature switch (also not shown) are preferably integrated in a component which sends a signal to the toilet control. It is also possible to run the temperature sensor and the control circuit separately.
- warm air 32 is blown from the warm air supply 31 into the space 25.
- the warm air 32 symbolized by a dashed arrow, flows around all water-carrying components in the space 25, thus in particular the toilet bowl 22 as well as the supply water lines 23 and the waste water lines 24 and any intermediate containers for supply water and / or waste water that may be present.
- the warm air 32 After flowing through the space 25, the warm air 32 enters the optional projection 84 on the, for example, open assembly side 26 on the back of the body chair 2 and heats the water pipes 23, 24 in the projection 84.
- the warm air 32 then enters, for example through a relatively small access opening 83, into an area behind the mounting wall 82 and can also ensure in this area that the water lines 23, 24, a not shown body chair hydraulics and valves and nozzles as well as any tanks for supply water and / or waste water, not shown, Stay ice-free and / or frost-proof.
- the mounting wall 82 can have a large-area opening.
- the warm air 32 is preferably not only intended to warm the toilet and the optional projection 84, but also the entire area behind the mounting wall 82. Behind the mounting wall 82 there is often a tank space for one
- the warm air 32 escapes into a user room 4 for a user of the vehicle toilet 1. That is to say, the user room 4 is not or not significantly heated by the warm air 32 which flows through the body chair 2.
- the warm air 32 is also not set up as a heater for the seat surface 27.
- the personal chair 2 of the vehicle toilet 1 is located directly on the mounting wall 82, without a projection or a front wall being present. Accordingly, the warm air 32 flows directly from the body chair 2 into the area behind the mounting wall 82.
- the outer paneling 21 covers all components in the space 25 for a user of the vehicle toilet 1.
- a temperature sensor 5 is attached in or on the body chair 2.
- the temperature sensor 5 is used to prevent frost damage and / or to control the heating device 3.
- FIGS. 1 and 2 also apply to FIG. 3.
- the heating device 3 is formed by a heat source 33.
- the heat source 33 is a heating wire in combination with a fan, so that the flowing warm air 32 is generated.
- the heat source 33 can also be placed not only on but entirely within the body chair 2.
- such a heat source 33 can also be present in all other exemplary embodiments.
- FIG. 4 it is illustrated in FIG. 4 that several of the temperature sensors are present to control the heating device 3.
- An optional third temperature sensor (not shown) can be located on the toilet key 22.
- the temperature sensors 5a, 5b and the heating device 3 are preferably connected to the control circuit 62 in order to control the heating device 3 as required.
- Such temperature sensors 5a, 5b can also be present in all other exemplary embodiments.
- FIGS. 1 to 3 also apply to FIG. 4.
- the assembly side 26 of the body chair 2 of the vehicle toilet 1 faces the floor 85. This is especially the case with so-called squat toilets, as which the body chair 2 can be designed. All connections to the body chair 2 can be passed through the floor 85.
- This floor mounting can be used as an alternative to rear mounting in all other exemplary embodiments.
- the heating device 3 is implemented by a plurality of heat sources 33a, 33b, 33c for the water pipes 23, 24 and for the toilet bowl 22.
- the heat sources 33a, 33b, 33c are thus set up to heat all the water-bearing components of the body chair 2.
- the heat sources 33a, 33b, 33c are, for example, electrically operated heating tapes or heating mats that are attached to the water-carrying components and / or are wrapped around the water-carrying components.
- electrical heat sources 33a, 33b, 33c hot water hoses can be used.
- the heating device 3 is located completely in the intermediate space 25.
- Such heat sources 33a, 33b, 33c can also be used in all other exemplary embodiments as an alternative or in addition to heating wires with fans or to hot air supplies 31.
- FIGS. 1 to 4 also apply to FIG. 5.
- the vehicle toilets 1 are installed in at least some wagons 11 of a passenger train 10.
- the heating devices 3 are each formed by the warm air supply lines 31, which are each connected to a vehicle air conditioning system 7. Whenever the vehicle air conditioning system 7 generates warm air, the warm air 32 is preferably blown into the loungers. No additional control is therefore required for the heating device 3 and only minimal structural changes are necessary for the vehicle toilets 1 described here, compared to vehicle toilets without a heating device.
- the body chairs and the vehicle toilets 1 are preferably constructed in FIG. 6, as explained in connection with FIGS. 1, 2 or 3.
- Figure 7 is a view of the chair 2 is shown.
- the inner workings of the body chair 2, in particular the heating device 3, cannot be seen by a user, even when the cover 28 is open. At most, the body chair 2 feels heated in the area of the outer cladding 21, from which it can be concluded that the heating device 3 is.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019211670.1A DE102019211670A1 (de) | 2019-08-02 | 2019-08-02 | Fahrzeugtoilette, Fahrzeug, Betriebsverfahren und Leibstuhl |
| PCT/EP2020/068789 WO2021023447A1 (de) | 2019-08-02 | 2020-07-03 | Fahrzeugtoilette, fahrzeug, betriebsverfahren und leibstuhl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3976435A1 true EP3976435A1 (de) | 2022-04-06 |
Family
ID=71607935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20739905.6A Withdrawn EP3976435A1 (de) | 2019-08-02 | 2020-07-03 | Fahrzeugtoilette, fahrzeug, betriebsverfahren und leibstuhl |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3976435A1 (de) |
| CN (1) | CN217835626U (de) |
| DE (1) | DE102019211670A1 (de) |
| WO (1) | WO2021023447A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102024124148A1 (de) * | 2024-08-23 | 2026-02-26 | HYMER GmbH & Co. KG | Nasszelle und Freizeitfahrzeug umfassend eine Nasszelle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI108937B (sv) * | 1999-03-10 | 2002-04-30 | Evac Int Oy | Vakuumtoalettanordning |
| CN101418590A (zh) * | 2000-04-10 | 2009-04-29 | 株式会社伊奈 | 西式抽水马桶 |
| KR101297345B1 (ko) * | 2013-02-14 | 2013-08-14 | 주식회사 코리아모바일 | 이동식화장실의 내부설비 동파방지장치 |
| WO2016050670A1 (de) | 2014-09-30 | 2016-04-07 | Siemens Aktiengesellschaft | Toiletteneinrichtung mit rückspülfunktion für einen partikelfilter |
-
2019
- 2019-08-02 DE DE102019211670.1A patent/DE102019211670A1/de not_active Ceased
-
2020
- 2020-07-03 EP EP20739905.6A patent/EP3976435A1/de not_active Withdrawn
- 2020-07-03 CN CN202090000769.2U patent/CN217835626U/zh not_active Expired - Fee Related
- 2020-07-03 WO PCT/EP2020/068789 patent/WO2021023447A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021023447A1 (de) | 2021-02-11 |
| CN217835626U (zh) | 2022-11-18 |
| DE102019211670A1 (de) | 2021-02-04 |
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