Sanitary device with at least one dispensing device for a liquid

Abstract

Sanitary installation (1), comprising at least: - at least one dispensing device (2, 3) for a liquid; - a basin (4) with a drain (5) for the liquid; and - a first thermostat (6) to which at least a portion of the liquid drained via the drain (5) can be supplied as a circulating liquid, wherein the circulating liquid can be mixed with hot water or cold water by the first thermostat (6) to form a temperature-controlled circulating liquid and wherein the temperature-controlled circulating liquid can be supplied to the at least one dispensing device (2, 3).

Description

[0001] The present invention relates to a sanitary device which can be used in particular by persons in sanitary rooms, such as bathrooms, for showering, bathing and / or for personal hygiene.

[0002] The use of sanitary facilities such as showers or bathtubs can result in high water consumption. For this reason, sanitary facilities are known in which at least a portion of the used water can be recirculated to the sanitary facilities for reuse. A drop in the temperature of the reused water must be compensated for, for example, by an instantaneous water heater or a gas boiler, which requires a lot of space and is expensive.

[0003] DE 42 04 209 A1 discloses a sanitary shower system in which reused water can be mixed with fresh hot water to achieve a desired temperature. WO 2008 / 046992 A2 discloses a sanitary device with a first mixer for mixing hot water and cold water to form mixed water, and a second mixer for mixing the mixed water with a recirculating water stream. US 2019 / 0003157 A1 discloses a shower system with a first showerhead, which can be supplied with conventional mixed water, and a second showerhead, which can be supplied with reused water.

[0004] The object of the invention is therefore to at least partially solve the problems described with reference to the prior art and in particular to provide a sanitary device which has a smaller installation space requirement and / or is characterized by lower costs.

[0005] These objects are achieved with a sanitary device according to the features of the independent patent claim. Further advantageous embodiments of the invention are specified in the dependent patent claims. Furthermore, the features specified in the patent claims are further specified and explained in the description, with further preferred embodiments of the invention being presented.

[0006] This is achieved by a sanitary facility that has at least the following: at least one dispensing device for a liquid; a basin with an outlet for the liquid; a first thermostat, to which at least a portion of the liquid drained via the outlet can be supplied as circulating liquid, wherein the circulating liquid can be mixed with hot water or cold water by the first thermostat to form a tempered circulating liquid, and wherein the tempered circulating liquid can be supplied to the at least one dispensing device; and a second thermostat, wherein hot water and cold water can be mixed by the second thermostat to form mixed water with a mixed water target temperature, and wherein an adjustment of the mixed water target temperature on the second thermostat causes an adjustment of a circulating liquid target temperature of the tempered circulating liquid on the first thermostat.

[0007] The sanitary facility is, in particular, a facility for a person’s personal hygiene. For this purpose, the sanitary facility can, for example, be designed like a shower or bathtub and / or arranged in a sanitary room, such as a bathroom. In addition, the sanitary facility can be used for therapeutic applications. The sanitary facility has at least one dispensing device for a liquid. The at least one dispensing device can, in particular, be a shower head, overhead shower, hand shower, nozzle and / or outlet opening. A liquid, in particular water, can be dispensed through the at least one dispensing opening into (at least) one basin of the sanitary facility. The basin can, in particular, be designed like a shower tray or bathtub. Furthermore, the basin can, in particular, be arranged or attached in a stationary manner, for example to a building floor.The basin may, in particular, have (at least) one outlet for the liquid at the bottom. The liquid can be fed via the outlet, in particular, into a public sewer system. It is possible for a single basin or a single outlet to be assigned to multiple discharge devices, but this is not mandatory.

[0008] The sanitary facility further comprises a first thermostat. At least a portion of the fluid drained via the drain can be supplied to the first thermostat as circulating fluid. The circulating fluid can be supplied to the first thermostat in particular via a circulating fluid supply line. The circulating fluid supply line can be designed at least partially in the manner of a pipeline. Furthermore, the circulating fluid supply line can run at least partially through a building wall and / or a building floor. Furthermore, the first thermostat can have a circulating water inlet for the circulating fluid. The circulating fluid supply line can be connected to the circulating water inlet of the first thermostat. The circulating fluid supplied to the first thermostat has a circulating fluid temperature that can be, for example, 20 °C (Celsius) to 40 °C. Furthermore, the circulating fluid temperature can fluctuate.The circulating fluid can be mixed with hot water and / or cold water by the first thermostat to form a tempered circulating fluid with a desired circulating fluid setpoint temperature. For this purpose, the sanitary facility and / or the first thermostat can have an (electronic) control with which a mixing ratio between the circulating fluid, the hot water and / or the cold water can be controlled such that the tempered circulating fluid has the desired circulating fluid setpoint temperature. The circulating fluid temperature of the circulating fluid can be increased by the first thermostat by adding hot water to the circulating fluid setpoint temperature and / or reduced by adding cold water to the circulating fluid setpoint temperature. The hot water and / or cold water is in particular fresh water, which in particular has not yet been used orhas not yet been dispensed via the at least one dispensing device. The desired circulating fluid setpoint temperature can be adjustable by a user of the sanitary facility, for example via an actuating element of the sanitary facility and / or the first thermostat. In addition, a dispensing quantity of the tempered circulating fluid can be adjustable by the user of the sanitary facility via the actuating element or a further actuating element. A hot water temperature of the hot water can in particular be a maximum of 90 °C, preferably 25 °C to 90 °C, particularly preferably 55 °C to 65 °C, and / or a cold water temperature of the cold water can in particular be a maximum of 25 °C (Celsius), preferably 1 °C to 25 °C, particularly preferably 5 °C to 20 °C. The circulating fluid setpoint temperature of the tempered circulating fluid can be, for example, 30 °C to 50 °C, preferably 35 °C to 45 °C, particularly preferably 35 °C to 40 °C.In addition, the fluctuation in the circulating fluid temperature of the circulating fluid supplied to the first thermostat can be at least partially compensated by the first thermostat, so that the circulating fluid target temperature of the tempered circulating fluid fluctuates less or is (essentially) constant. The hot water can be supplied to the thermostat, for example, from a hot water source, such as a boiler, a (private and / or local) thermal solar system, or a heat pump, via a hot water pipe, and / or the cold water can be supplied from a cold water source, such as a building water connection, a public water supply network, or a (private / local) well, via a cold water pipe. The hot water pipe and / or cold water pipe can be designed at least partially in the manner of a pipeline.Furthermore, the hot water pipe and / or cold water pipe can run at least partially through a building wall and / or a building floor. The first thermostat can have a hot water inlet for the hot water and / or a cold water inlet for the cold water. The hot water pipe can be connected to the hot water inlet and / or the cold water pipe can be connected to the cold water inlet. Furthermore, the first thermostat can be arranged at least partially in the building wall or the building floor. The temperature-controlled circulating fluid can be fed to the at least one dispensing device. For this purpose, the first thermostat can be connected (in a fluid-conducting manner) to the at least one dispensing device via at least one mixed water pipe. The at least one mixed water pipe can be designed at least partially in the manner of a pipeline and / or hose line.By mixing the circulating fluid with the hot and / or cold water, the circulating fluid can be tempered without a continuous flow heater and / or a gas boiler, thereby reducing the space required for the sanitary facility and its costs.

[0009] The hot and cold water can be mixed to form mixed water with a desired mixed water temperature using a second thermostat. The sanitary fixture has a first thermostat and a second thermostat. Furthermore, this can mean, in particular, that the mixed water cannot be mixed with the first thermostat, but (only) with a second thermostat. The second thermostat can have a further actuating element, via which the user of the sanitary fixture can set the desired mixed water temperature.

[0010] Adjusting the mixed water target temperature on the second thermostat causes a circulating fluid target temperature of the tempered circulating fluid to be adjusted on the first thermostat. The first thermostat and the second thermostat can have a common actuating element for adjusting the mixed water target temperature and the circulating fluid target temperature. For this purpose, the first thermostat and the second thermostat can be coupled to one another, in particular mechanically, electrically, and / or electromechanically.

[0011] The hot water and the cold water can be mixed by the second thermostat to form mixed water with a desired mixed water temperature. The desired mixed water temperature can be, for example, 30°C to 50°C, preferably 35°C to 45°C, particularly preferably 35°C to 40°C. The mixed water does not include any circulating fluid. The hot water and cold water can be mixed by the second thermostat to form the mixed water, in particular in a fresh water operating mode of the sanitary facility or of the first thermostat. In the fresh water operating mode, in particular no temperature-controlled circulating fluid is mixed by the first thermostat and / or no temperature-controlled circulating fluid is dispensed via the at least one dispensing device. The mixing of the temperature-controlled circulating fluid and / or the dispensing of the temperature-controlled circulating fluid via the at least one dispensing device takes place in particular only after the sanitary facility orof the first thermostat into a circulation mode. This can be done, for example, via the control of the sanitary fixture and / or the first thermostat.

[0012] The mixed water can be supplied to the at least one discharge device via a first mixed water line.

[0013] The temperature-controlled circulating fluid can be supplied to the at least one dispensing device via a second mixed water line. Thus, the mixed water and the temperature-controlled circulating fluid can be supplied to the at least one dispensing device via separate mixed water lines. The second mixed water line can be configured, at least partially, in the form of a pipeline and / or hose line.

[0014] The first thermostat can be connected to an overflow tank. The overflow tank allows excess fluid to be removed from the plumbing fixture.

[0015] The overflow tank can have an overflow through which excess liquid can be drained away. In particular, the overflow tank can have a receiving space for liquid, which can be connected to the basin drain via a first drain line. The liquid can be collected in the receiving space, in particular up to a maximum liquid level. When the maximum liquid level is reached, the excess liquid can be drained to a public sewer system via the overflow of the overflow tank and a second drain line. After the sanitary fixture or the first thermostat has been switched to the circulation operating mode, the liquid in the receiving space can be fed to the first thermostat as circulating liquid, in particular via the circulating liquid supply line.For this purpose, a container drain opening of the receiving space can be connected to the circulating water inlet of the first thermostat via the circulating liquid supply line.

[0016] The circulating fluid can be supplied to the first thermostat by means of a pump. The pump is arranged, in particular, in the circulating fluid supply line. Furthermore, the pump can be activated in the circulation operating mode and / or deactivated in the fresh water operating mode.

[0017] In particular, the mixed water can be supplied to the at least one dispensing device via a first mixed water line and the tempered circulating liquid can be supplied to the at least one dispensing device via a second mixed water line.

[0018] The invention and the technical environment are explained in more detail below with reference to the figures. It should be noted that the figures show particularly preferred embodiments of the invention, but the invention is not limited thereto. Identical components in the figures are provided with the same reference numerals. They show, by way of example and schematically: Fig. 1: a first non-inventive embodiment of a sanitary device; Fig. 2: a second non-inventive embodiment of a sanitary device; and Fig. 3: a third inventive embodiment of the sanitary device.

[0019] The Fig. 1shows a first embodiment of a sanitary facility 1, which is designed in the manner of a shower. The sanitary facility 1 has a first dispensing device 2 in the form of a shower, which is connected to a first thermostat 6 via a first mixed water line 7. Hot water can be supplied to the first thermostat 6 from a hot water source 15 via a hot water supply line 16 and cold water can be supplied from a cold water source 17 via a cold water supply line 18. For this purpose, the first thermostat 6 has a hot water inlet 19 for the hot water and a cold water inlet 20 for the cold water. In a fresh water operating mode of the sanitary facility 1 or the first thermostat 6, the hot water and cold water can be mixed by the first thermostat 6 to form mixed water with a mixed water target temperature. The mixed water target temperature can be adjusted by a user of the sanitary facility 1 via an actuating element 21.The first mixed water line 7 is connected to a first mixed water outlet 22 of the first thermostat 6, so that the mixed water can be fed to the first dispensing device 2 via the first mixed water line 7. The mixed water can be dispensed by the first dispensing device 2 into a basin 4, which is designed here in the manner of a shower tray. The basin 4 has an outlet 5 on its basin bottom 13, via which the mixed water can be fed to an overflow tank 9 via a first outlet line 14. The overflow tank 9 has a receiving space 23 in which a liquid or the mixed water can be collected up to a maximum liquid level 24. When the maximum liquid level 24 is reached, excess liquid or excess mixed water can be discharged to a public sewer system 26 via an overflow 10 of the overflow tank 9 and a second outlet line 25. After a conversion of the sanitary facility 1 orof the first thermostat 6 into a circulation operating mode, the liquid in the receiving space 23 or the mixed water in the receiving space 23 can be supplied to the first thermostat 6 as circulating liquid via a circulating liquid supply line 27. For this purpose, a container outlet opening 28 of the receiving space 23 of the overflow container 9 is connected to a circulating water inlet 29 of the first thermostat 6. Furthermore, a pump 11 is arranged in the circulating liquid supply line 27, with which the circulating liquid can be pumped to the first thermostat 6. In the circulation operating mode, the circulating liquid can be mixed with the hot water and / or cold water by the first thermostat 6 to form a tempered circulating liquid with a desired circulating liquid setpoint temperature. The circulating liquid setpoint temperature corresponds to the mixed water setpoint temperature and can also be adjusted via the actuating element 21 of the first thermostat 6.The tempered circulating fluid can be supplied to the first dispensing device 2 via the first mixed water line 7, so that the tempered circulating fluid circulates in a circuit as long as the sanitary device 1 or the first thermostat 6 is in the circulation mode. After switching the sanitary device 1 or the first thermostat 6 to the fresh water mode, the pump 11 is stopped, so that the circulating fluid no longer circulates. In the fresh water mode, only mixed water consisting of hot and cold water is dispensed via the first dispensing device 2.

[0020] The Fig. 2 shows a second embodiment of the sanitary device 1, which is also designed in the manner of a shower. The second embodiment of the sanitary device 1 differs from the one shown in the Fig. 1shown first embodiment of the sanitary facility 1 in that the mixed water can be supplied from the first thermostat 6 via the first mixed water line 7 to the first dispensing device 2 and the circulating liquid can be supplied via a second mixed water line 8 to a second dispensing device 3. As a result, the mixed water and the circulating liquid can be supplied to the dispensing devices 2, 3 via separate mixed water lines 7, 8. The first thermostat 6 has a first mixed water outlet 22 for the first mixed water line 7 and a second mixed water outlet 30 for the second mixed water line 8. It should be clarified that the mixed water can also be supplied via the first mixed water line 7 and the circulating liquid via the second mixed water line 8 to a single or common dispensing device, for example the first dispensing device 2. In this case, the single dispensing device orThe first dispensing device 2 has separate water paths for the mixed water and the circulating fluid, so that the mixed water and the circulating fluid can be guided separately from each other until they are dispensed. Otherwise, the second embodiment of the sanitary facility 1 is identical to that shown in FIG. Fig. 1 shown first embodiment of the sanitary facility 1, so that the description of the first embodiment is transferable to the description of the second embodiment.

[0021] The Fig. 3shows a third embodiment of the sanitary facility 1, which is also designed in the manner of a shower. The sanitary facility 1 has a first dispensing device 2 in the form of a shower head, which is connected to a second thermostat 12 via a first mixed water line 7. Hot water can be supplied to the second thermostat 12 from a hot water source 15 via a hot water supply line 16, and cold water can be supplied from a cold water source 17 via a cold water supply line 18. For this purpose, the second thermostat 12 has a hot water inlet 19 for the hot water and a cold water inlet 20 for the cold water. In a fresh water operating mode of the sanitary facility 1, the hot water and cold water can be mixed by the second thermostat 12 to form mixed water with a desired mixed water temperature. The desired mixed water temperature can be adjusted by a user of the sanitary facility 1 via an actuating element 21 of the second thermostat 12.The first mixed water line 7 is connected to a first mixed water outlet 22 of the second thermostat 12, so that the mixed water can be fed to the first dispensing device 2 via the first mixed water line 7. The mixed water can be dispensed by the first dispensing device 2 into a basin 4, which is designed here in the manner of a shower tray. The basin 4 has an outlet 5 on its basin bottom 13, via which the mixed water can be fed to an overflow tank 9 via a first outlet line 14. The overflow tank 9 has a receiving space 23 in which a liquid or the mixed water can be collected up to a maximum liquid level 24. When the maximum liquid level 24 is reached, excess liquid or excess mixed water can be discharged to a public sewer system 26 via an overflow 10 of the overflow tank 9 and a second outlet line 25.After switching the sanitary facility 1 to a circulation operating mode, the liquid or mixed water located in the receiving space 23 can be supplied to a first thermostat 6 as a circulation liquid via a circulation liquid supply line 27. For this purpose, a container outlet opening 28 of the receiving space 23 of the overflow container 9 is connected to a circulation water inlet 29 of the first thermostat 6. Furthermore, a pump 11 is arranged in the circulation liquid supply line 27, with which the circulation liquid can be pumped to the first thermostat 6. In the circulation operating mode, the circulation liquid can be mixed with the hot water by the first thermostat 6 to form a tempered circulation liquid with a desired circulation liquid target temperature.The first thermostat 6 is coupled to the second thermostat 12 so that the circulating fluid target temperature can be adjusted via the actuating element 21 of the second thermostat 12 and the circulating fluid target temperature corresponds to the mixed water target temperature. The tempered circulating fluid can be fed to a second dispensing device 3 via a second mixed water line 8 so that the tempered circulating fluid circulates in a circuit as long as the sanitary facility 1 is in the circulating operating mode. After the sanitary facility 1 is switched to the fresh water operating mode, the pump 11 is stopped so that the circulating fluid no longer circulates. In the fresh water operating mode, only mixed water mixed from the hot water and cold water by the second thermostat 12 is dispensed via the first dispensing device 2.It should be clarified that the mixed water can also be supplied via the first mixed water line 7 and the circulating liquid via the second mixed water line 8 to a single or common discharge device, for example, the first discharge device 2. In this case, the single discharge device or first discharge device 2 can have separate water paths for the mixed water and the circulating liquid, so that the mixed water and the circulating liquid can be guided separately from each other until they are discharged.

[0022] Sanitary facility 1 is particularly characterized by its low installation space requirements and low costs. List of reference symbols

[0023] 1Sanitary fixture 2First outlet 3Second outlet 4Basin 5Drain 6First thermostat 7First mixed water pipe 8Second mixed water pipe 9Overflow tank 10Overflow 11Pump 12Second thermostat 13Basin floor 14First drain pipe 15Hot water source 16Hot water supply pipe 17Cold water source 18Cold water supply pipe 19Hot water inlet 20Cold water inlet 21Actuator 22First mixed water outlet 23Receiving chamber 24Maximum liquid level 25Second drain pipe 26Wastewater system 27Circulating liquid supply pipe 28Tank drain opening 29Circulating water inlet 30Second mixed water outlet

Claims

1. A sanitary device (1), at least having: - at least one dispensing device (2, 3) for a liquid; - a basin (4) including a drain (5) for the liquid; - a first thermostat (6) to which at least part of the liquid drained via the drain (5) can be supplied as circulating liquid, wherein the first thermostat (6) can be used to mix the circulating liquid with hot water or cold water to form a temperature-controlled circulating liquid, and wherein the temperature-controlled circulating liquid can be supplied to the at least one dispensing device (2, 3); - a second thermostat (12), wherein the second thermostat (12) can be used to mix hot water and cold water to form mixed water having a desired mixed-water temperature; characterized in that an adjustment of the desired mixed-water temperature on the second thermostat (12) effects an adjustment of the desired circulating-liquid temperature of the temperature-controlled circulating liquid on the first thermostat (6).

2. The sanitary device (1) according to claim 1, having a first mixed water line (7), wherein the mixed water can be supplied to the at least one dispensing device (2, 3) via the first mixed water line (7).

3. The sanitary device (1) according to any one of the preceding claims, having a second mixed water line (8), wherein the temperature-controlled circulating liquid can be supplied to the at least one dispensing device (2, 3) via the second mixed water line (8).

4. The sanitary device (1) according to any one of the preceding claims, wherein the first thermostat (6) is connected to an overflow tank (9).

5. The sanitary device (1) according to claim 4, wherein the overflow tank (9) has an overflow (10) via which excess liquid can be discharged.

6. The sanitary device (1) according to any one of the preceding claims, having a pump (11), wherein the circulating liquid can be supplied to the first thermostat (6) with the aid of the pump (11).

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