CN108349758A - Shower systems including ozone treatment equipment for shower toilets - Google Patents

Abstract

A shower system (1) for a shower stall comprises: a water guiding device (2) having an inlet opening (3) and at least one outlet opening (4), wherein water flows in a flow direction (F) from the inlet opening (3) to the at least one outlet opening (4); a control device (7); and a treatment device (5) arranged in the water guide (2) for treating the water guided in the water guide (2), in particular for reducing bacteria, wherein the treatment device (5) comprises an electrochemical or electrolytic cell having an electrode group (6) having at least one electrode or at least one electrode pair which is actuated by a control device (7) in order to generate ozone from the water as a treatment agent or as a bactericide. The control device (7) has an input interface (8) via which the type of operation can be input, wherein a preset ozone concentration is associated with each type of operation, and wherein the control device (7) actuates the treatment device (5) as a function of the type of operation such that the ozone concentration corresponds to the selected type of operation.

Description

Shower systems including ozone treatment equipment for shower toilets

technical field

The invention relates to a shower system for a shower toilet according to the preamble of claim 1 .

Background technique

Sterilization devices are known from the prior art in the context of sanitary ware, ie for example shower toilets or outflow fittings.

For example, EP 2 599 926 shows such a sterilization device.

Contents of the invention

Based on this prior art, the invention is based on the particularly preferred object of proposing a shower system for shower toilets which overcomes the disadvantages of the prior art. In particular, the cleaning of shower systems should be improved.

The subject-matter of claim 1 achieves said object. Accordingly, a shower system for a shower toilet comprises: a water guiding device having an inlet and at least one outlet opening, wherein water flows in a flow direction from the inlet to the at least one outlet opening; a control device; and a water guiding device arranged in the water guiding device A treatment device for treating the water conducted in the water guide, in particular for reducing bacteria. The treatment device comprises an electrochemical or electrolytic cell with an electrode assembly having at least one electrode or at least one electrode pair which is used for generating ozone from water as a treatment agent or as a bactericide Operated by the control device. The control device has an input interface via which the type of operation can be input, wherein a preset ozone concentration is associated with each type of operation, and wherein the control device operates the treatment device according to the type of operation so that the ozone concentration corresponds to the selected run type.

In other words, the treatment device for generating ozone is operated in a function-dependent manner. This allows different ozone concentrations to be provided. Thus, the shower system can be used more flexibly for different functions, wherein the cleaning or sanitizing action differs depending on the function.

In other words, the control device operates the treatment device according to the type of operation and can provide the ozone concentration according to the selected type of operation.

Bacteria reduction or sterilization is understood to mean a reduction in the number of bacteria, especially pathogenic bacteria such as Legionella and/or Pseudomonas aeruginosa, in the treated or sterilized water.

The electrodes or pairs of electrodes can be controlled by means of electrical parameters, such as voltage and current, to generate ozone from the water as a bacteria reduction agent or as a sterilizing agent.

Preferably, the input interface includes a user interface, via which an operation type selected by the user can be preset. The user can, for example, select the desired type of operation of the shower system. Here, different ozone concentrations are preset according to user's selection. The user interface can be a touch screen, buttons, or the like. Alternatively or additionally, the input interface includes a system interface via which the type of operation provided by the shower system can be preset. For example, the system interface can be provided by a sensor that detects the lifting of the toilet lid or the triggering of a toilet flush. Depending on the setting of the system interface, further types of operation with further ozone concentrations are preset.

Preferably. An ozone concentration corresponding to the selected type of operation is associated with each type of operation. That is to say, in each type of operation, ozone is generated from water as the treatment medium.

Preferably, the preset ozone concentration is greater than 0.25 milligram per liter.

Preferably, the treatment device is activated continuously or continuously while the water is flowing in the water guiding device, so that all the water flowing through the shower system is treated. This means that the water is treated with ozone once it has flowed in the water guide. This has the advantage that the water is always treated with ozone. Ozone is thus generated in every type of operation.

Preferably, at least two operating types with respectively different ozone concentrations can be selected. The ozone concentration range can vary. Preferably, however, the ozone concentration range is by no means the minimum ozone concentration. The minimum ozone concentration is preferably less than 0.25 milligrams per liter.

Preferably, the type of operation is selected from: system clean and body clean, wherein the ozone concentration during system clean is different from the ozone concentration during body clean.

In operational body cleaning, an ozone concentration is chosen that is not harmful to the intimate area of the user, but reduces bacteria in the water, whereas in operational system cleaning a higher ozone concentration is selected, which then leads to better cleaning results. The selection of different types of operation therefore has the advantage that the ozone concentration can be adjusted according to requirements.

Preferably, the run-type system cleaning includes different types of cleaning. These are variants of system cleaning which can be carried out individually or in combination with one another.

According to a variant, the system cleaning includes cleaning the surfaces in the region of the outlet opening. Depending on the configuration of the shower toilet, the shower arm or the housing in which the removable shower arm is mounted is cleaned here.

In a first variant, the volume flow is preferably 0.3 to 1.1 liters per minute and the ozone concentration is preferably in the range of 0.25 to 0.45 milligrams per liter, in particular 0.35 milligrams per liter.

Here, the ozone concentration is the concentration measured in water after the treatment facility.

According to a second variant, the system cleaning consists of cleaning the surfaces of the shower toilet. According to the configuration, for example, the inner space of the shower toilet can be cleaned.

In this variant, the volume flow is preferably 0.3 to 0.6 liters per minute and the ozone concentration is preferably in the range of 0.25 to 0.45 milligrams per liter, in particular 0.35 milligrams per liter.

In a second variant, for example, pre-cleaning before use and/or re-cleaning after use can be performed, wherein the system interface then predetermines the corresponding operating mode.

Preferably, in a second variant, the treated water is sprayed such that complete wetting of the toilet bowl is achieved.

According to a third variant, the system cleaning includes cyclic cleaning, wherein for cyclic cleaning the water treated with the treatment device is guided at least once through at least a part of the water guiding device of the shower system. Preferably, the treated water flows through as far as possible the entire water guiding device. Therefore, said part of the water guiding device is as long as possible.

The advantage of the cyclical cleaning is that treated water, ie bacteria-reduced water, can circulate in the water guide of the shower system, so that the water guide can be cleaned. This prevents: the formation of dirt or bacteria in the interior of the shower system.

The circulation is preferably such that it comprises as large a portion as possible of the length of the water guide.

Preferably, for the circulating cleaning device the shower system comprises a return duct leading from a branch point downstream of the treatment device as viewed in the flow direction to an access point in the flow direction Observation is upstream of the processing equipment. The return line is guided in such a way that a circuit is formed between the water guide device and the return line, wherein the water present in the circuit can circulate.

Preferably, the volume flow in the third variant is in the range of 0.3 to 1.1 liters per minute, and the ozone concentration is preferably in the range of 0.25 to 0.45 milligrams per liter, in particular 0.35 milligrams per liter.

Particularly preferably, the access point opens into the water guide in the region of the inlet opening or directly downstream of the inlet opening. Alternatively or additionally, the branch point opens into the water guide in the region of the outlet opening or directly upstream of the outlet opening. Both arrangements alone, but also in combination with one another, have the advantage that a very large part of the water-carrying components can be cleaned.

Preferably, for operational body cleaning, the volume flow is preferably 0.3 to 1.1 liters per minute and/or the ozone concentration is preferably in the range of 0.03 to 0.05 milligrams per liter, in particular 0.045 milligrams per liter.

Preferably, at least one of the outlet openings for body cleansing is part of a shower arm.

Preferably, the shower system includes a valve in the water guide, wherein the control device actuates the valve depending on the type of operation.

Particularly preferably, the shower system comprises a plurality of outlet openings, wherein a valve is arranged upstream of the outlet openings in the water guide device, by means of which valves the plurality of outlet openings can be actuated, wherein the valves open the outlet openings depending on the selected operating type. Water can thus be directed to different outlet openings depending on the type of operation, wherein the control of this valve is performed.

Preferably, the valve establishes a connection between the water guiding device and the return conduit for cyclic cleaning. Here, the water conduction to the outlet opening is blocked.

The valve is located downstream of the processing plant as viewed in the direction of flow.

Preferably, at least one of the outlet openings for intimate cleaning and/or for system cleaning is part of a shower arm. Furthermore, preferably, at least one of the discharge openings for system cleaning is a nozzle directed onto the surface of the shower toilet. The nozzle is preferably part of the shower arm. Alternatively, the nozzle is formed separately from the shower arm. Alternatively, there are two nozzles, wherein one of the nozzles is on the shower arm and the other of the nozzles is separate from the shower arm.

In a particularly preferred embodiment, at least one first outlet opening for private showering and at least one second outlet opening for cleaning the shower arm are present on the shower arm. Furthermore, this embodiment can optionally have at least one additional outlet opening which has the region of the toilet bowl. The individual outlet openings can be actuated accordingly by means of valves.

Preferably, at least one of the outlet openings for system cleaning is part of a shower arm. Preferably, at least one of the discharge openings for system cleaning is a nozzle directed onto the surface of the shower toilet.

Preferably, the shower system further comprises a water tank, which is arranged upstream of the treatment device, viewed in the direction of flow. Water can be temporarily stored in the water tank.

As long as the cyclic cleaning is present, the return line leads into the water tank. The access is preferably such that the access point is in the region of the water tank. That is to say, the return line essentially opens into the water tank. Alternatively, the return line preferably opens into the water guide device, viewed in the direction of flow, preferably upstream of the water tank, that is, such that the opening point is upstream of the water tank, seen in the direction of flow. Both variants have the advantage that the water tank is also cleaned during system cleaning.

Preferably, the shower system also includes at least one heating device by means of which the water can be heated.

The heating device can be designed and arranged in different ways.

The heating device is preferably located in the water conduction device between the treatment device and the inlet. Preferably, the heating device is part of the circuit and thus in the water guiding device between the branch point and the point of access.

In a first preferred embodiment, the heating device is a through heater arranged upstream of the treatment device, viewed in the direction of flow. Here, the flow-through heater heats the water flowing through the flow-through heater and guides the heated water to the treatment plant.

In a second preferred embodiment, the heating device is a heating device integrated in the water tank. The water tank, as mentioned above, is likewise arranged upstream of the treatment plant, viewed in the direction of flow. The heating device heats the water stored in the water tank and guides the heated water to the treatment device.

In a third preferred configuration, the heating device is a through heater arranged upstream of the treatment device as viewed in the direction of flow and a heating device integrated in the water tank. The flow-through heater is preferably arranged downstream of the water tank, viewed in the direction of flow. The through-heater and the heating device integrated in the water tank are preferably arranged upstream of the treatment device, viewed in the direction of flow.

Preferably, the tank comprises an additional outlet leading to the further treatment device and a discharge opening associated with the further treatment device. The outlet opening is preferably formed as a nozzle directed onto the surface of the shower toilet. Preferably, in this embodiment a pump is provided upstream of the further treatment device. This additional treatment device is preferably constructed with the same characteristics as the above-mentioned treatment device, wherein the additional treatment device basically provides ozone concentrations for system cleaning combined with cleaning of shower toilet surfaces.

Preferably, the heating device heats the water to a temperature in the range of 5°C to 40°C for body cleaning and/or to a temperature in the range of 5°C to 25°C or 5°C to 40°C for system cleaning.

Preferably, a pump is arranged upstream of the treatment device in the water guiding device, in particular viewed in the direction of flow. The pump generates the required pressure in the shower system.

Preferably, a filter is provided upstream of the treatment device, viewed in the direction of flow. The filter is used to: Pass substantially no solid particles to the processing equipment.

Preferably, a system separation element is provided upstream, viewed in the direction of flow, of the inlet opening. The system isolating element is designed in such a way that a return flow from the shower system into the pipe network is not possible.

The treatment device, preferably the battery, is preferably configured such that the number of bacteria related to pathogenic bacteria, such as Legionella and/or Pseudomonas aeruginosa in the treated or sterilized water is less than 10 bacteria per milliliter, and/or the number of bacteria is reduced to at least one in 1000.

To reduce the bacteria count to at least 1 in 1000, observe the bacteria count before and after the treatment device, where the latter is at least 1 in 1000.

Particularly preferably, the treatment or sterilization is carried out in such a way that a reduction in the bacterial count is ensured even in the case of extremely low electrical conductivity of the water.

Particularly preferably, the electrodes are designed such that disturbing amounts of calcium salts do not accumulate on the electrodes. For example, the polarity reversal parameters are chosen to be suitable for this, thereby preventing the formation of interfering amounts of calcium salts.

Particularly preferably, the electrodes are designed in such a way that despite the high ozonation performance, the space requirement of the treatment plant is minimal.

Preferably, the electrodes are at least partially or completely coated with a boron-doped diamond coating. Thus, water is directly activated to oxidation-active intermediates without formation of oxygen.

Preferably, the electrodes consist of structured silicon on which a boron-doped diamond coating is applied. This can be used to reduce manufacturing costs. The flow conditions at the electrodes are likewise optimized.

Preferably, the electrodes are in contact with the polyelectrolyte membrane. The polyelectrolyte membrane establishes a confined conductive contact between the positive and negative electrodes of the electrodes. It is thus necessary to form ozone at the point of contact and to achieve good treatment or sterilization also in cases where the conductivity or electrical resistance of the water is unfavorable. The desired treatment or sterilization can thus be achieved also from water with unfavorable properties, for example rainwater.

Preferably, the electrode groups are arranged in a square area of at most 20 x 40 x 10 mm.

Preferably, the outer dimensions of the battery case are less than 50×35×15 mm.

Preferably, the electrodes are loaded with electrical parameters, such as voltage and current, such that the ozone concentration in the interior of the cell is high enough for the killing effect on bacteria, and/or the ozone concentration at the outlet or downstream of the treatment device as viewed in the direction of flow corresponds to at the above value.

Especially preferably, the current is about 2 amperes or greater, which corresponds to a current density of greater than 14 mA per cm ² .

Preferably, the geometrical parameters of the electrodes and/or the flow through the electrodes and/or the passage time through the electrodes are such that the ozone concentrations set forth above are achieved.

In other words: The ozone concentration at the outlet of the sanitary installation according to the above description is achieved by means of a suitable geometrical feed.

Preferably, a sensor is provided for directly or indirectly measuring the ozone concentration, wherein the electrical parameters are adjusted in dependence on the measured values of the sensor. Alternatively or additionally, a sensor can be provided for measuring the content of organic carbon materials in water, for example a UV-LED sensor with a suitable wavelength range. Other types of measurements of organic carbon material content can also be considered.

Particularly preferably, when an ozone concentration of 50 micrograms per liter is exceeded at the outlet and/or the content of organic carbon materials in the water, in particular in the inflow region of the water guiding device, exceeds a limit value of 1 milligram per liter, the output warning sign. For this purpose, the sanitary device can comprise optical and/or acoustic display elements.

Preferably, a catalytic converter, especially a platinum catalytic converter or other catalytic converter, is used to limit the ozone concentration.

Preferably, the electrodes are controlled such that the ozone production is increased and/or a warning signal is output in case the content of organic carbon material in the water exceeds the limit value of 1 mg per liter. Optical and/or acoustic display elements can be provided for the warning signal.

Preferably, the Reynolds number of the water channel in the electrode region is greater than 3000

Preferably, a receiving opening is provided in a wall of the water guiding device, said receiving opening opening into the water guiding device, wherein the receiving opening serves to accommodate the battery housing.

Particularly preferably, the shape of the part of the battery housing located in the receiving opening in the installed state is exactly adapted to the shape of the receiving opening.

Preferably, a seal is provided between the receiving opening and the battery housing.

Particularly preferably, the battery housing is designed as a replaceable rubber cartridge. Cartridges can be easily replaced and cleaned under inspection.

Shower toilets consist of a shower system and a flush toilet or urinal according to the description above. The water guide can be designed in different ways, wherein the water guide is the water channel of the shower arm, or wherein the water guide opens into the water channel of the shower arm, and/or wherein the water guide is arranged Independent of the water channel of the shower arm, by means of which the shower arm can be cleaned, and/or the water guide opens into an outlet opening which is designed as a nozzle directed onto the surface of the shower toilet.

A method for controlling a shower system as described above, wherein the type of operation can be input via an input interface of the control device, and wherein a preset ozone concentration is associated with each type of operation, and wherein the control device operates the treatment device according to the type of operation such that the ozone Concentrations correspond to the selected run type.

Further embodiments are set forth in the dependent claims.

Description of drawings

A preferred embodiment of the invention is described below with reference to the drawings, which are provided for illustration purposes only and are not to be interpreted as restrictive. Shown in the accompanying drawings:

Fig. 1 shows a schematic diagram of a shower system for a shower toilet according to a first embodiment of the present invention;

Figure 2 shows a schematic diagram of a shower system for shower toilets according to a second embodiment of the present invention; and

Fig. 3 shows a schematic diagram of a shower system for a shower toilet according to a third embodiment of the present invention.

Detailed ways

A first embodiment of a shower system 1 for a shower toilet is schematically shown in FIG. 1 .

The shower system 1 comprises a water guiding device 2 with an inlet opening 3 and at least one outlet opening 4 , wherein water flows in a flow direction F from the inlet opening 3 to the at least one outlet opening 4 . The water guiding device 2 in FIG. 1 is provided by pipe sections 23 a , 23 b , 23 c , 23 d , a water tank 15 , a flow-through heater 16 and a treatment device 5 . Furthermore, the shower system 1 comprises a control device 7 for actuating the treatment device 5 . For this purpose, the control device is connected to the processing device 5 by means of electrical terminals 27 .

The treatment device 5 arranged in the water conduction device 2 is used for further treatment of the water conducted in the water conduction device 2 , in particular for bacteria reduction or disinfection. The processing device 5 includes an electrochemical or electrolytic cell with an electrode set 6 . The electrode set 6 comprises at least one electrode or at least one electrode pair. The electrodes or pairs of electrodes are actuated via the control device 7 for generating ozone as a treatment agent or as a bactericide from water flowing through the water conduction device 2 . This means that ozone is produced from the water by means of electrodes or electrode pairs, which is then mixed with the water and has a cleaning or sterilizing effect.

The line section 23 a connects the inlet opening 3 to the water tank 15 . The line section 23 b connects the water tank 15 to the feed-through heater 16 . The line section 23 c connects the flow-through heater 16 to the treatment device 5 . The line section 23 d connects the treatment device 5 with at least one outlet opening 4 .

A pump 21 is also arranged in the line section 23 b, which pumps water from the water tank 15 in the flow direction F to the outlet opening 4 .

In the illustrated embodiment, it is indicated by symbols that the shower system 1 has a plurality of outlet openings 4 . In the water guiding device 2 a valve 11 is arranged upstream of the outlet opening 4 . A plurality of outlet openings 4 can be actuated by means of a valve 11 . In this case, the control device 7 actuates the valve depending on the type of operation, so that the valve 7 opens the outlet opening 4 according to the selected type of operation.

The water tank 15 comprises an additional outlet 18 in FIG. 1 . Here, the additional outlet 18 is directed onto the surface of the shower toilet. This means that the discharge opening in the outlet 18 is preferably formed as a nozzle directed onto the surface of the shower toilet. Upstream of the outlet 18 a further treatment device 19 is provided. In this case, the further processing device 19 is designed similarly or identically to the processing device 5 . A pump 24 is also provided in the line section 23 e leading from the water tank 15 to the additional outlet 18 . The pump 24 is likewise activated by the control device 7 when the operating mode selects system cleaning.

The control device 7 has at least one input interface 8 . The type of operation can be preset via the input interface 8 . In order to generate ozone from water as a bacteria reduction agent or as a sterilizing agent, at least one electrode can be controlled via an input interface 8 with electrical parameters, the parameters being dependent on the type of operation. Associate preset ozone concentrations with each run type. In this case, the control device 7 controls the treatment device 5 according to a predetermined type of operation such that the ozone concentration corresponds to the selected type of operation. This means that the electrochemical or electrolytic cells of the treatment device 5 are activated depending on the selected type of operation. The input interface 8 of the control device 7 includes a user interface 9 via which an operating type selected by the user can be preset. Furthermore, the input point 8 includes a system interface 10 via which the type of operation provided by the shower system 1 can be preset. The type of operation is preferably selected from system clean and body clean.

The operating type system cleaning is used to clean or sterilize the shower system 1 and/or the shower toilet at which the shower system 1 is arranged. This type of operation can be preset by the user via the user interface 9 or by the shower system 1 via the system interface 10 . The latter can be triggered by sensors.

The run type Body Clean is used to clean the user's body parts. In the type of body cleansing, the user can, for example, specify which type of private shower he wishes to use. In this case, in particular the different outlet openings 4 are actuated.

For operational type body cleaning, the volume flow is preferably 0.3 to 1.1 liters per minute. The ozone concentration is preferably in the range of 0.03 to 0.05 milligram per liter, especially 0.045 milligram per liter.

Preferably, the ozone concentration in system cleansing is different from the ozone concentration in body cleansing. System cleaning can include cleaning of:

- cleaning of the surface in the area of the discharge opening 4

- Clean the surface of the shower toilet

- cycle cleaning as described above

When cleaning the surface in the region of the outlet opening, the water treated by the treatment device 4 is discharged via the outlet opening 4 and rinsed with water thereby cleaning the surface arranged in the region of the outlet opening 4 . The volume flow here is, for example, 0.3 to 1.1 liters per minute. The ozone concentration is preferably in the range of 0.25 to 0.45 mg per liter, especially 0.35 mg per liter.

When cleaning the surface of the shower toilet, the water treated by the treatment device 5 is likewise fed to the outlet opening 4 . The water treated by the treatment device 5 can be conveyed via the outlet opening 4 and/or at least one additional outlet 18 to the surface of the shower toilet.

Viewed in the direction of flow, upstream of the additional outlet 18 , as mentioned, a further treatment device 19 is provided, by means of which the water fed to the further outlet opening 20 is cleaned or sterilized. The additional outlet 18 is preferably a spray outlet, via which the water is sprayed such that a distribution over as large an area as possible is achieved.

The volume flow is, for example, 0.3 to 0.6 liters per minute when cleaning the surface. The ozone concentration is preferably 0.25 to 0.45 mg per liter, especially 0.35 mg per liter.

The circulating cleaning device according to the first embodiment comprises a return line 12 which is arranged in such a way that the water treated by means of the treatment device 5 is guided at least once through a part of the water conduction device 2 of the shower system 1 , wherein the water is subsequently cleaned Part of the guiding device 2. Preferably, a circuit is realized by means of the return line 12 which together includes as large a part as possible of the water guiding device 2 . In the embodiment shown, the return line 12 runs from a branch point 13, which is located downstream of the treatment device 5, viewed in the direction of flow F, to an access point 14, viewed in the direction of flow F, which is located at Processing device 4 upstream. In this case, the access point 14 opens into a water tank 15 . Thus, circulation between the water tank 15 , the pipe section 23 b , the flow-through heater 16 , the pipe section 23 c , the treatment device 5 , the pipe section 23 d and the valve 11 is achieved.

In this case, water can be guided through at least one side of the circuit, in particular multiple times. Thus, the water tank 15, the pipe sections 23b, 23c and 23d, the flow-through heater 16 and the valve 11 are cleaned by the treated water.

The volume flow in the circulating cleaning device is preferably in the range between 0.3 and 1.1 liters per minute. The ozone concentration is in the range of 0.25 to 0.45 milligram per liter, especially 0.35 milligram per liter.

In a further embodiment not shown in the figures, the access point 14 can alternatively open into the water guiding device 2 in the region of the inlet opening, in particular directly downstream of the inlet opening. In an embodiment not shown in the figures, it is also conceivable for the access point 14 to be upstream of the tank 16 , viewed in the direction of flow F. FIG. The branch point 13 is preferably in the region of the outlet opening 4 or directly upstream of the outlet opening 4 . The arrangement in the region of the inlet opening or in the region of the outlet opening 4 has the advantage that the circuit in which the cleaned water then circulates extends over the largest possible region of the shower system 1 .

The provision of different operating types as described above results in the advantage that the different operating types can be operated decoupled from one another. This means that for system cleaning of engineering components a higher ozone concentration, which would be harmful to the user, can be provided, and for body cleaning a lower ozone concentration, which is critical for system cleaning, can be provided. The effect is unfavorable.

In the embodiment shown, the water tank 15 also includes a heating device 17 . The heating device 17 is here integrated in the water tank.

The heating device 16 , 17 heats the water to a temperature in the range of 5° C. to 4° C. for the operating type of body cleansing. For system cleaning, the heating devices 16, 17 heat the water to a preferred temperature in the range of 5°C to 25°C or in the range of 5°C to 40°C, depending on the application.

Preferably, upstream of the inlet opening 3 , viewed in the flow direction, according to a first embodiment, a system separation element 25 is provided. The system isolating element 25 is designed in such a way that no backflow from the shower system 1 into the pipe network is possible.

Furthermore, a filter 22 is arranged in line section 23 c between feed-through heater 16 and water tank 15 .

Furthermore, the water tank 15 also includes a temperature probe 26 in the embodiment shown.

A second embodiment of the shower system is shown in FIG. 2 . Here, identical components are provided with the same reference numerals. In contrast to the embodiment shown in FIG. 1 , the additional outlet 18 and the further treatment device 19 as well as the through-heater 16 are omitted here. The line section 23 b thus opens directly downstream of the water tank 15 into the treatment plant 5 . In this embodiment the water is only heated in the water tank 15 by means of the heating device 17 .

With regard to the different types of operation, reference is made to the description of the first embodiment according to FIG. 1 .

In the second embodiment, the circulating cleaning device is also provided with a return line 12 which realizes the circulation between the water tank 15 , the treatment device 5 and the valve 11 .

A third embodiment is shown in FIG. 3 . Identical components are again provided with the same reference numerals. In a third embodiment, the water tank is modified and constructed without an integrated heating device. For this, the embodiment includes a flow-through heater 16 . In this embodiment the water is only heated in the water tank 15 by means of the through heater 16 . Likewise, the described embodiment does not include an additional outlet 18 and a further processing device 19 .

With regard to the different types of operation, reference is made to the description of the first embodiment according to FIG. 1 .

The circulating cleaning device is also provided with a return pipe 12 in the third embodiment, which realizes the circulation between the water tank 15 , the straight-through heater 16 , the treatment device 5 and the valve 11 .

Therefore, a particularly preferred variant of the processing device 5 which can be used in all embodiments will now also be explained in greater detail.

The processing device 5 comprises a battery housing, which has an electrode assembly 6 with at least one electrode, and an electrochemical or electrolytic power source arranged in the battery housing. Depending on the type of operation, at least one electrode is controlled by means of electrical parameters for the generation of ozone from the water as a bacteria reduction agent or as a sterilizing agent. The reduction of the bacterial count or the sterilization by means of ozone is preferably carried out such that the bacterial count with respect to pathogenic bacteria such as Legionella and/or Pseudomonas aeruginosa in the treated water is less than 10 bacteria per ml.

The water to be treated can be heated, as explained above, by means of the through-heater 16 or the heating device 17 in the water tank 15 before being supplied to the treatment plant 4 . An advantageous temperature range is 20°C to 45°C, especially 33°C to 39°C.

The battery housing comprises an inlet opening, via which water can flow into the battery housing, and an outlet opening, via which water can flow out of the battery housing. An electrode group is provided inside the battery case. The electrode group is supplied with electrical energy via the control device 7 and its electrical terminals 27 .

In a preferred embodiment, the electrodes are coated with a boron-doped diamond coating. The coating can completely surround the surface of the electrode that comes into contact with water. Alternatively, the coating can also be provided selectively.

The electrodes can comprise structured silicon as carrier material for the coating. An advantageous coating can thus be achieved.

The battery housing preferably has a maximum size of 50×35×15 mm. The electrode group is then made correspondingly smaller. For example, the electrode groups are arranged in a square area of maximum 20x40x10 mm.

Preferably, in all embodiments a sensor is provided which detects the ozone concentration and adjusts the electrical parameter based on the detected ozone concentration.

In addition, a sensor for measuring the content of organic carbon materials in water can be provided.

Furthermore, the sanitary device can have an optical or acoustic display element (not shown in the figures), which outputs a corresponding warning signal if the ozone concentration and/or the content of organic carbon materials is exceeded.

The ozone content can be limited, for example, by providing a catalytic converter, in particular a platinum catalytic converter.

List of reference signs

1 Shower system 16 Through heater

2 Water guide 17 Heating unit in the water tank

3 inlets 18 additional outlets

4 Discharge opening 19 Another processing device

5 Disposal device 20 Nebulizer outlet

6 electrode set 21 pump

7 Control 22 Filter

8 Inlet connection 23 Pipe section

9 user interface 24 pump

10 System Interface 25 System Disconnect Elements

11 Valve 26 Temperature probe

12 Return piping 27 Electrical terminals

13 branch points

14 Access point F Flow direction

15 tanks

Claims (23)

1. A shower system (1) for a shower toilet, comprising: a water guiding device (2) having an inlet opening (3) and at least one outlet opening (4), wherein water flows in a flow direction (F) from said inlet opening (3) to at least one outlet opening (4); control device (7); and a treatment device (5) arranged in the water guiding device (2) for treating the water guided in the water guiding device (2), in particular for reducing bacteria, the The treatment device (5) comprises an electrochemical or electrolytic cell with an electrode set (6) having at least one electrode or at least one electrode pair for generating ozone from water as a treatment agent or as a bactericide and controlled by the control device (7), characterized in that, The control device (7) has an input interface (8) via which a type of operation can be input, wherein a preset ozone concentration is associated with each type of operation, and wherein the control device (7) The treatment device (5) is controlled according to the type of operation so that the ozone concentration corresponds to the selected type of operation. 2. The shower system (1) according to claim 1, characterized in that, for the cycle cleaning device, the input interface (8) comprises a user interface (9), via which the user interface can be preset A selected type of operation, and/or wherein the input interface (8) comprises a system interface (10), via which the type of operation provided by the shower system (1) can be preset. 3 . Shower system ( 1 ) according to claim 1 , characterized in that an ozone concentration corresponding to the selected operating type is associated with each operating type. 4 . 4. Shower system (1) according to any one of the preceding claims, characterized in that the ozone concentration is greater than 0.25 mg per liter. 5. Shower system (1) according to any one of the preceding claims, characterized in that the treatment device is continuously activated while the water is flowing in the water guiding means, so that the entire treatment flows through the shower system water. 6. The shower system (1) according to any one of the preceding claims, characterized in that the type of operation is selected from: system cleaning and body cleaning, wherein the ozone concentration during the system cleaning is the same as that at The ozone concentration varies when the body is cleansed. 7. Shower system (1) according to claim 6, characterized in that, The system cleaning comprises cleaning the surfaces in the region of the discharge opening (4), wherein the volume flow is preferably 0.3 to 1.1 liters per minute, and wherein the ozone concentration is preferably 0.25 to 0.45 milligrams per liter in the range of 0.35 mg per liter; and / or The system cleaning comprises cleaning the shower toilet surfaces, wherein the volume flow is preferably 0.3 to 0.6 liters per minute, and wherein the ozone concentration is preferably in the range of 0.25 to 0.45 mg per liter, especially 0.35 milligrams per liter. 8. Shower system (1) according to claim 6 or 7, characterized in that the system cleaning comprises cyclic cleaning, wherein for the cyclic cleaning the water treated by means of the treatment device (5) is conducted at least once Through at least a part of the water guiding device (2) of the shower system (1). 9. The shower system (1) according to claim 8, characterized in that, for the cyclic cleaning, the shower system comprises a return duct (12) leading from a branch point (13) to an access point (14) such that a circulation is formed between the water guiding means and said return pipe, said branch point being downstream of said treatment device (5) viewed in flow direction (F), said access point upstream of said treatment plant (4), viewed in the direction of flow, in which the water present in said circulation can be circulated; In this case the volume flow is preferably in the range of 0.3 to 1.1 liters per minute, and in which the ozone concentration is preferably in the range of 0.25 to 0.45 milligrams per liter, in particular 0.35 milligrams per liter. 10. Shower system (1) according to claim 9, characterized in that the access point (14) opens into the in the water guiding device (2); and/or the branch point (13) opens into the water guiding device (2) in the region of the outlet opening (4) or directly upstream of the outlet opening (4) )middle. 11. Shower system (1) according to any one of claims 6 to 10, characterized in that for operational type body cleaning the volume flow is preferably 0.3 to 1.1 liters per minute and/or for For operational type body cleansing, the ozone concentration is preferably in the range of 0.03 to 0.05 mg per liter, especially 0.045 mg per liter. 12. Shower system (1) according to any one of the preceding claims, characterized in that it comprises a valve (11) in the water guiding device (2), wherein the control device (7 ) actuates the valve (11) depending on the type of operation. 13. The shower system (1) according to claim 12, characterized in that the shower system (1) comprises a plurality of outlet openings, wherein in the water guiding device (2) the outlet openings (4 ) is arranged upstream of the valve (11) by means of which the plurality of outlet openings (4) can be actuated, wherein the valve (11) opens the outlet openings (4) depending on the selected operating type . 14. Shower system (1) according to claim 8 or 9 and claim 12 or 13, characterized in that the valve establishes a connection between the water guide (2) and the return pipe (12) for the cycle cleaning connection between. 15. Shower system (1) according to any one of the preceding claims, characterized in that at least one of the outlet openings for the system cleaning and/or for the body cleaning is a shower arm and/or at least one of the discharge openings for cleaning of the system is a nozzle directed onto the surface of the shower toilet, wherein the nozzle is part of the shower arm, and/or wherein The nozzle is formed separately from the shower arm. 16. The shower system (1) according to any one of the preceding claims, characterized in that the shower system (1) further comprises a water tank (15), which is arranged at Upstream of the treatment device (4), and/or the shower system (1) also comprises at least one heating device (16, 17), by means of which the water can be heated. 17. The shower system (1) according to any one of claims 9 to 15, characterized in that the return pipe (12) leads into the water tank (15) such that the access point ( 14) in the region of the water tank (15); or the return pipe (12) opens into the water guiding device upstream of the water tank (15) when viewed in the flow direction, so that the access point (14) upstream of said water tank (15) viewed in the direction of flow. 18. Shower system (1) according to claim 16 or 17, characterized in that said heating device is a flow-through heater (16) arranged upstream of said processing device (5), viewed in flow direction (F); or The heating device (16) is a heating device (17) integrated in the water tank (15); or One of the heating devices (16) is a feed-through heater (16) arranged upstream of the treatment device (5) as viewed in the flow direction (F) and the other of the heating devices is integrated in the A heating device (17) in the water tank (15), wherein the flow-through heater (16) is preferably arranged downstream of the water tank (15) when viewed along the flow direction (F). 19. Shower system (1) according to claim 18, characterized in that the water tank (15) comprises an additional outlet (18) leading to a further treatment device (19) and in communication with the A discharge opening associated with the further treatment device, wherein the discharge opening is preferably formed as a nozzle directed onto the surface of the shower toilet. 20. Shower system (1 ) according to any one of claims 7 to 16, characterized in that said heating means (16, 17) bring the water used for said body cleansing to a temperature in the range of 5°C to 40°C, And/or said heating means (16, 17) bring the water used for said system cleaning to a temperature in the range of 5°C to 25°C or in the range of 5°C to 40°C. 21. A shower toilet comprising: a shower system according to any one of the preceding claims, wherein said water guiding means is said water channel of said shower arm, or wherein said water guiding means leads into In said water channel of said shower arm, and/or wherein said water guiding means is arranged as a water channel independent of said shower arm, by means of which said shower arm can be cleaned, and/or said The water guide opens into an outlet opening which is formed as a nozzle directed onto the surface of the shower toilet. 22. A method for controlling a shower system according to any one of claims 1 to 20, wherein via the input interface (8) of the control device an operating type can be input, wherein the preset ozone concentration is combined with Each type of operation is associated, and wherein the control device (7) operates the treatment device (5) according to the type of operation such that the ozone concentration corresponds to the selected type of operation. 23. An application of the shower system according to any one of claims 1 to 20, which is used in a shower toilet.