DE102017203109A1 - Household appliance for dispensing liquid with a drain line - Google Patents

Abstract

The invention relates to a household appliance (1) for dispensing liquid, having an output unit (2) for dispensing the liquid, which is a sanitary fitting, with a connection device (4) for connecting the household appliance (1) to an external water network (5), and with at least one water tempering system (9) separate from the connecting device (4), with which a water fed from the external water network (5) to the water tempering system (9) can be tempered, the water tempering system (9) having a line unit (17, 27), with which the Wasseremperierungssystem (9) with the output unit (2) is connected, and with a line unit (17, 27) separate conduit means (6), with which the water of the device external water network (5) directly from the connection device (4) the output unit (2) is conductive, wherein the Wasseremperierungssystem (9) to a for guiding a tempered water from the Wasseremperie (10) of the output unit (2) opens and from the line (10) to this line (10) separate drain line (29) for discharging after a discharge operation of the liquid in the line (10) branches off remaining residual liquid.

Description

The invention relates to a household appliance for dispensing liquid, with an output unit for dispensing the liquid, which is a sanitary fitting, with a connection device for connecting the household appliance to a water network external to the device, and with at least one water tempering system separate from the connection device, with which one of the device-external Water supply the water temperature control system supplied water is temperature controlled, wherein the water tempering system has a line unit, with which the Wasseremperierungssystem is connected to the output unit, and with a line unit separate conduit means, with which the water of the device external water network is directly from the connection device to the output unit can be conducted.

A liquid processing system used in a household is known in the art. In this context, sanitary fittings are known as output units for the liquid in a further specification. So is out of the DE 10 2013 002 857 A1 Such a sanitary fitting for tapping water known. There is also known in a further embodiment that in addition to the sanitary fitting and a boiler is associated with this appliance. With this hot water can be made available, which is significantly warmer in temperature than usually via a hot water pipe, which is connected to the external equipment water network, and which can be output via this sanitary fitting or the faucet. The local device has a water outlet pipe, which can be acted upon by closing a valve element with a negative pressure. By means of this negative pressure, the water located in the water outlet line is at least partially sucked against the outflow direction into a water reservoir. Due to the local curved geometry, in particular a gooseneck geometry, the sanitary fitting is there generated in this Rücksaugvorgang a line breaker at the maximum of this gooseneck curvature, so that that part of the residual water in the water outlet pipe, which is up to a discharge opening in this sanitary fitting on this discharge port is discharged explicitly and that part which is upstream of this line breaker is sucked back into the water reservoir, namely the boiler. It is thus carried out on a single line, namely the water outlet pipe, both the targeted feeding of the hot water to the discharge opening of the sanitary fitting out and then carried out on this single water outlet pipe, the removal of the residual water remaining therein after a dispensing process. The return of this no longer needed and no longer spent water from the line in the boiler has drawbacks to the effect that on the one hand this then already cooled water must be reheated or cools the water in the boiler. On the other hand, such a return requires a complicated process, which in particular requires this specific line breaker at a specific position. Another significant disadvantage, however, is the fact that even a certain proportion of this residual water over the discharge opening of the sanitary fitting expires, so here can arise for a user, the situation that relatively hot water can run over his hands. On the other hand, the impression of a sanitary fitting that is no longer fully functional can also be created by a user, for example because of this trickling or leakage in a small trickle, since such a leak occurs after the termination of a dispensing process, which also creates a leaking and qualitatively disadvantageous impression.

In addition, from the DE 10 2008 006 255 A1 a device for dispensing water known. There, too, the device as a dispensing unit on a fitting body, which represents a sanitary fitting and thus a faucet. In the local version of the fitting body is connected to a device-external water network. This connection device has a cold water pipe and a hot water pipe. Between a discharge opening of the fitting body and these two supply lines, a mixing valve is arranged to possibly also allow mixing of the water from the cold water supply and the hot water supply.

Separately, in one embodiment, the apparatus includes a hot water system having a boiler. The boiler is connected via a separate line unit, in which also a valve is arranged, with the fitting body and in particular the local output unit. The line unit is completely separate and guided separately to this discharge opening and thus is not in communication with the line leading from the mixing valve to the discharge opening of the fitting body. The functionality of this device with regard to the production of differently mixed and / or differently tempered liquids which can be dispensed is thereby limited.

It is an object of the present invention to provide a household appliance for dispensing liquids or a liquid processing system for the household, in which the Discharge of residual mixed liquid is improved.

This object is achieved by household appliances according to the independent claims.

One aspect of the invention relates to a household appliance for dispensing liquid. The household appliance has an output unit for dispensing the liquid. This output unit is a sanitary fitting. The household appliance also has a connection device for connecting the household appliance to an external water network. The household appliance also has a water temperature control system separate from the connection device. With the water temperature control system, a water supplied to the water tempering system by the external water network can be individually tempered. The water temperature control system has a line unit, with which the water temperature control system is connected to the output unit. In addition, the water temperature control system has a separate line device to this line unit, with which the water of the device external water network, in particular without being passed over the water temperature control system, directly from the connection device to the output unit is conductive. The water tempering system is opening to a line of the output unit arranged to conduct a tempered water from the water tempering system. From the line branches off to this line a separate drain line for discharging remaining after a discharge operation of the liquid in the line remaining liquid. The advantages that can be achieved thereby have already been set forth in the abovementioned first independent aspect of the invention, which also apply here. The line is in particular a mixed line.

In this embodiment, an additional discharge line is thus present in addition to the line in which the said liquid is passed to an output port of the output unit. The drain line is not in direct contact with the output port of the dispenser. The drain line discharges remotely into the discharge port of the discharge unit into the conduit. The discharge port of the discharge pipe is also separated and in no contact with and in any communication with the discharge port of the discharge unit. By such a configuration, a discharge process of remaining after a dispensing operation remaining liquid that is still in the line, improved. A targeted discharge from the line is completely and easily possible. It is no longer provided that this residual liquid drains through the dispensing opening of the dispensing unit. As a result, an undesirable overflow of optionally relatively hot liquid over, for example, the hands of a user is prevented. Also, unwanted Nachträufeln and after the issue process expiring trickle of this residual liquid from the output port of the output unit are prevented. This also avoids that a certain spraying or spraying of these over the discharge opening expiring residual liquid, for example, in a basin in which the leaking from the discharge opening of the output unit medium could also enter avoided. A required subsequent cleaning of this basin or surrounding areas is thereby prevented.

This basin may be, for example, a sink or another tub area.

The output unit of the household appliance a sanitary fitting, which can also be referred to as a faucet. By such a configuration, a functionally specific unit, which is basically designed to dispense water from an associated external equipment water network, functionally expanded.

Preferably, it is provided that the discharge line opens into a separate to the output unit residual reservoir. This is advantageous in that this no longer required residual liquid can be collected and no longer enters a unit of the household appliance, in which subsequently still required or intended for the output liquid is contained. This also makes it possible that in this separate residual reservoir, the liquid can also collect longer. This separate residual reservoir can be advantageously accessible to a user in order to be able to remove it. This may be advantageous to disposal measures of the remaining liquid collected therein. Likewise, this is advantageous for cleaning purposes of this residual reservoir.

In a further advantageous embodiment, it is provided that the remaining reservoir is connected to a wastewater network external to the device. This is a further very advantageous embodiment, since thus this remaining residual liquid, which is no longer needed and in particular should be disposed of, directly and specifically in a correspondingly provided sewer network, especially a domestic sewer network, can be passed. In particular, this connection of the rest of the reservoir with the external wastewater network such that no conduction leads in this regard between the rest of the reservoir and the external wastewater network via an output port of the output unit.

It is preferably provided that the discharge line does not contact at least one of the output Liquid formed dispensing opening of the dispensing unit opens. The advantages have already been explained above.

In particular, the line at which the discharge line opens, a mixing line. This means that it is arranged or connected in the domestic appliance such that a mixed liquid can also be conducted therein, in particular directly for the dispensing opening of the dispensing unit. The mixed liquid can be mixed from at least two separate liquids, in particular from different water tempering systems of the domestic appliance. The remaining liquid that can be drained through the drain line is then a residual mixed liquid.

In particular, it is provided that the water tempering system has a separate from the line device hot water system, with which a supplied from the device external water supply water can be heated. The water tempering system additionally or instead of in an advantageous embodiment, a separate cooling water system to the hot water system and the conduit means, with which a water supplied from the external water supply network can be cooled. A cooling water system is thus understood to mean a system with which the water supplied by an external water network can be actively cooled and in this respect to a lower temperature. By means of such a once again separate system, the variability of the domestic appliance can also be increased with regard to the most varied tempering possibilities of the liquids. The general flexibility for the production of mixed liquids in both the type and in the respective temperature is thereby improved. By this cooling water system also separately to the hot water system and separately to this conduit means, which is connected directly to the external equipment water network is formed, the individual Temperierungsabläufe can be particularly advantageous in the different systems. The individual temperatures of the liquids can be very efficient and accurate, so that then a possible subsequent mixing of liquids from these systems can be done very needs.

Preferably, the cooling water system is connected to the conduit device. It is then also created the possibility that water coming from the domestic water network via the conduit means directly to the output unit, in particular to the output opening of the output unit, is passed. It can also be provided that water coming from the external water network in this regard can then be diverted at least partially and in particular as required into the cooling water system by the conduit device. Accordingly, these explanations then apply to the hot water system. This, too, can then in particular be connected to a cold water supply line of the connection device in order to branch off the water flowing from the device-external water network via the cold water supply line and to feed it into the hot water system.

In an advantageous embodiment, it is provided that the hot water system and the cooling water system open to a same mouth to the mixing line. Thus, a mixing point is generated on the household appliance, in which a hot water from the hot water system and a cooled water from the cooling water system can be mixed and thus in this respect can be introduced directly into the mixing line. Thus, a mixed liquid can be passed over the mixing line, which can be mixed from the hot water of the hot water system and the cooling water from the cooling water system. Thus, in the domestic appliance, an additional, second possibility is created for dispensing mixed liquid, which can be mixed from the said systems, via this specific mixing line. On the other hand, a separate mixing liquid can also be dispensed via the connection device, which can be mixed in an advantageous manner from the water which can be mixed from a hot water supply of the line device and from a cold water which can be mixed from a cold water supply line of the line device. The connecting device is in this connection connected to the output unit with a specific connecting line, this connecting line being a separate line to the above-mentioned line, in particular the mixing line.

It can also be provided that the mixing of the hot water and the cooling water takes place only at the dispensing opening or directly after dispensing from the dispensing opening.

It is preferably provided that a valve in the line, in particular the mixing line, is arranged between the mouth and an outlet opening of the dispensing unit. By such a configuration, the demand-oriented supply of hot water to this line, in particular the mixing line, can be made possible in a particularly advantageous manner. Depending on the operating position of this valve, a very accurate dosage of this hot water can be done.

This valve, which can also be referred to as a flush valve, thus makes it possible, in a particularly appropriate manner, to drain the remaining liquid from the line, in particular the mixing line.

Preferably, a hot water treatment tank, in particular a boiler, is part of the hot water system.

Preferably, it is provided that the discharge line in the height direction of the household appliance is completely and in particular without a minimum in the line, below the mouth, at which the water temperature control system, in particular the hot water system and the cooling water system, open to the line is arranged. This is a particularly advantageous embodiment, because thereby the discharge of the remaining liquid can be made solely on the basis of gravity. No pump or other pumping unit is required to drain this residual fluid through the drain line. There are also no other constructions, as set forth in the prior art and working, for example, with negative pressure in an explicitly existing container required. By such a configuration, as mentioned above, a highly functional, yet simple and component-reduced drainage system can be created.

Preferably, it is provided that the household appliance has a display unit, on which information about a current or future fresh water filling of the cooling water system are displayed. As a result, a user of the household appliance is always informed about the circumstances of the fresh water requirement.

Advantageously, a valve is arranged in the discharge line. Such a drainage valve is advantageous in that there would be no undesirable leakage or leakage of liquid from this drain line.

It is preferably provided that this valve in the discharge line also directly at the mouth, at which the discharge line into the line, in particular the mixing line opens, is arranged. In particular, the advantageously existing valves in the line, in particular the mixing line, and the discharge line can thus be summarized as a valve.

In a further embodiment, it is provided that the mouth, at which the discharge line into the line, in particular the mixing line, opens, is equal to the mouth, at which the hot water system and the cooling water system to the line, in particular the mixing line, open. Such a full common blending point allows for simplified piping. It can also be provided that a common valve is also arranged at such a circumferential common mixing point, so that here too the number of existing valves can be reduced.

In a further advantageous embodiment it can be provided that the household appliance has a control unit, with which at least one valve is adjustable in its operating position. As a result, both the dispensing of liquid and / or the supply of liquid to specific areas in the household appliance can be very demand-oriented and accurate.

It can be provided that the conduit device has a cold water line and a separate hot water line, the water tempering system, in particular the hot water system and / or the cooling water system, are internally connected to the cold water line for supplying water to the water tempering system.

In an advantageous embodiment, it is provided that the water tempering system, in particular the cooling water system, is connected to a carbonation unit of the domestic appliance and / or to a medium addition unit of the domestic appliance. The carbonation unit can supply carbon dioxide to the cooled liquid in the cooling water system, so that a carbonated liquid medium can be generated and discharged. By the medium addition unit individual taste notes can be added, in which case as a medium, for example, a liquid or a gel or a powder can be added as an additive. Other additives are possible. In addition to the already mentioned flavor additives, the addition of minerals or sweeteners or the like may be provided in the media addition unit.

In particular, the hot water system is designed such that the water present therein can be heated to temperatures above 90 °. The cooling water system is designed in particular to the effect that the water therein can be cooled to temperatures even below 10 °.

Preferably, said valves are designed as electrical valves, which can be controlled in particular via an already explained and set forth control unit. In an advantageous manner, the preferably present valve in the discharge line is in a normal operating state in an open position, so that the flow of the remaining liquid to be dispensed can always take place without restriction in such a dispensing process. This would be the discharge of this residual fluid via the drain line even in the event of a power failure allows. In an advantageous embodiment, it is provided that when, in particular via a user, such a discharge or dispensing process of this residual liquid is to be started, this valve is closed in the discharge line. Then, especially in embodiments in which the discharge line specifically into the line, in particular the mixing line opens, prevents at least partially undesirable discharge of the liquid via the discharge line. The entire liquid is then added via the line, in particular the mixing line, into the dispensing opening of the dispensing unit, where it is desirably discharged. Only when this dispensing process of the liquid produced, in particular the mixed liquid, is ended via the dispensing opening of the dispensing unit, is this valve then opened in the dispensing line and the removal process of the remaining liquid via the dispensing line made possible.

A further advantageous embodiment is achieved in that when a cooling water system is present, this can also be flushed accordingly and then this liquid that circulates in this flushing process in the cooling water system, via the drain line is derivable. In particular, it is then provided that the cooling water system is fluidically connected to the discharge line, in particular at a common mouth point or a common mouth to the line, in particular the mixing line, open. By means of such a flushing possibility, the formation of germs and biofilms in the cooling water system can be avoided and a very advantageous removal of the liquid after the flushing process can take place externally to the output unit from the cooling water system. In this flushing process, it can be provided that the household appliance has a pump, through which the flushing medium is conveyed in the cooling water system. Instead of a pump can also be a promotion with pressure from the external water network. In an advantageous embodiment, in a flushing process of this kind, a valve, which is preferably present in particular in the line, in particular the mixing line, is closed, so that no such flushing liquid is dispensed via the dispensing opening of the dispensing unit. Thus, the rinsing and also the dispensing of the rinsing liquid are virtually unnoticed for a user, since no such rinsing liquid exits via the dispensing opening of the dispensing unit. In a further embodiment, it can preferably be provided that the line, in particular the mixing line, can be automatically filled and emptied after the receipt of a liquid. Thus, it is also possible, the output unit, especially if it is designed as a sanitary fitting as well as by a user tangible outer part to cool, so that even when attacking this output unit, it is not too hot. In addition, by such a configuration, also a flushing of this line, in particular the mixing line, take place, so that just when a particular mixing liquid with additives, as mentioned above, was issued, a whereabouts of such additives in the line, in particular the mixing line , is prevented. This also alienation of subsequently issued fluids can be prevented by the still existing in the line, in particular the mixing line, existing additives and germ growth or the emergence of biofilms in the line, especially the mixing line, are prevented due to these remaining additives.

The domestic appliance can also be designed such that it has a carbonation unit and / or a medium addition unit even if it does not have a cooling water system.

In particular, the domestic appliance is in particular in the embodiment with the output unit as a sanitary fitting to another household appliance, such as a household refrigerator or a coffee machine separate household appliance. The household appliance hereby explained above is therefore not part of a domestic refrigerator or a coffee machine in these embodiments.

As a result, the described household appliance can also be constructed relatively compact and space-saving and installed in localities in the home, where such devices such as household refrigerators or fully automatic coffee machines can not be installed. In particular, this embodiment of the household appliance can then be arranged in the range of a kitchen with a sink or other catchment.

Another independent aspect of the invention relates to a household appliance for dispensing liquid. It is thus formed a liquid treatment system for the household. The household appliance has an output unit for dispensing the liquid. The household appliance has a connection device for connecting the household appliance to an external water network. The household appliance also has a separate hot water system, with which a water supplied from the external water supply system can be heated. The hot water system, which is formed separately from this connection device, has a line unit, with which it is connected to the output unit. The household appliance also has a conduit means which is separate to this line unit of the hot water system. With this line device is the water of the device external Water network directly from the connection device to the output unit conductive. This means that this water then, without having to be passed through the hot water system, is passed with the conduit device from the connection device to the output unit. The hot water system is opening to a line arranged to conduct a hot water from the hot water system, in particular the output unit, opening. This line opens in particular to the dispensing opening of the dispensing unit. The household appliance also has a separate drain line to this line. This drain line is designed to drain the residual liquid remaining in the line after a discharge operation of the liquid. The drain line branches off the line.

Embodiments of the first independent aspect of the invention are to be considered as advantageous embodiments of the further independent aspect of the invention.

Further features of the invention will become apparent from the claims, the figures and the description of the figures. The features and feature combinations mentioned above in the description, as well as the features and combinations of features mentioned below in the description of the figures and / or shown alone in the figures, can be used not only in the respectively specified combination but also in other combinations or in isolation, without the frame to leave the invention. Thus, embodiments of the invention are to be regarded as encompassed and disclosed, which are not explicitly shown and explained in the figures, but which emerge and can be produced by separated combinations of features from the embodiments explained. Embodiments and combinations of features are also to be regarded as disclosed, which thus do not have all the features of an originally formulated independent claim.

Embodiments of the invention will be explained in more detail with reference to a schematic drawing.

The only Fig. Shows a schematic representation of a household appliance 1 , which is designed to dispense liquid. The household appliance 1 can also be referred to as a liquid treatment system for the household.

The household appliance 1 has an output unit 2 on, which is in particular a sanitary fitting. The output unit 2 is formed in the household as a free-standing component, which thus also represents a visual component and can be grasped and operated. The output unit 2 has a discharge opening 3 over which the liquid can be dispensed. The household appliance 1 has a connection device 4 to connect to an external water network 5 is trained. Between the connection device 4 and the output unit 2 is a conduit device 6 arranged with which the water of the external water network 5 directly and thus without a preferably existing other water temperature control system of the household appliance 1 to be directed to the output unit 2 can be directed. This conduit device 6 has in the embodiment, a cold water pipe 7 and a separate hot water pipe 8. The two lines 7 and 8 open directly to the output unit 2 , It can thus be provided that only water from the cold water pipe 7 via the discharge opening 3 is spent or only warm water from the hot water pipe 8th via the output unit 3 is issued. It is also envisaged that the conduit device 6 is formed such that a mixing of the warm water from the hot water pipe 8th and the cold water from the cold water line 7 takes place and such a mixed water of the conduit device 6 over the discharge opening 3 is issued.

In addition, the home appliance points 1 at least one water tempering system 9 on, which as a separate system to the conduit device 6 is trained. The water tempering system 9 is with a lead 10 connected. The administration 10 is in particular a mixed line and thus so in the household appliance 1 arranged and connected so that a mixing liquid mixed from at least two liquids is passed therein. The administration 10 is with the output unit 2 connected. Liquid from the water tempering system 9 can thus on the separate line 10 to the output unit 2 and there over the dispensing opening 3 be issued. The conduit 10 is one to the conduit means 6 separate line, which also leads to the cold water pipe 7 and the hot water pipe 8th in the output unit 2 is separate and therefore in particular separately in the discharge opening 3 empties.

In the exemplary embodiment it is provided that the household appliance 1 has two Wasseremperierungssysteme, namely a hot water system 11 and a separate cooling water system 12 , The hot water system 11 and the cooling water system 12 are separate from each other and also provide separate systems for conduit equipment 6 As can be seen in the figure, the hot water system 11 is at an orifice 13 located downstream of the connection device 4 is connected to the cold water line 7. This makes it possible that cold water is diverted from the cold water pipe 7 and the hot water system 11 is supplied. The hot water system 11 On the other hand flows at the mouth 14 into the pipe 10 , The hot water system 11 has one Hot water treatment tank, in particular a boiler 15 , on. This boiler 15 is with a supply line 16 connected, which opens to the mouth 13. In addition, the hot water system points 11 a line unit 17 on that between the boiler 15 and the mouth 14 runs. In the line unit 17 is a valve 20 arranged.

In the supply line 16 is a valve 18 arranged. In the boiler 15 is preferably a filter 19 arranged.

In addition, it is envisaged that the cooling water system 12 is also connected to the cold water line 7, in particular at the mouth 13 , This allows cold water from the cold water pipe 7 to the cooling water system 12 be fed and cooled there to a desired lower temperature. The cooling water system 12 here has a refrigeration cycle 21 with in particular a compressor 22 , a liquefier 23 and an evaporator 24 on. In addition, the cooling water system points 12 a reservoir or a container 25 on that with the refrigeration cycle 21 is thermally coupled and in which the via a supply line 26 supplied water through the refrigeration cycle 21 can be cooled. Through another line unit 27 is the container 25 with the line 10 connected, in particular, this line unit opens 27 to the mouth 14 , In this line unit 27 is a valve 28 arranged.

In particular, the home appliance 1 In addition, a drain line 29 on, the one to the line 10 is separate line. In the embodiment, this drain line opens 29 to the mouth 14 , Preferably, in this drain line 29 a valve 30 arranged. In the embodiment shown, this drain line 29 without direct connection to the output unit 2 , About this drainage line 29 can residual liquid, especially residual mixed liquid, resulting after a dispensing process from the liquid through the line 10 , in particular the mixing line, and the discharge opening 3 in the pipe 10 still located, without over the output unit 2 , in particular without the discharge opening 3 to be drained, drained or drained. Preferably, the drain line opens 29 in a separate residual reservoir 31 , which may be connected to an external wastewater network or may be the external wastewater network. This remaining liquid in the pipe 10 is thus not on the discharge opening 3 the output unit 2 dissipated, but externally. In the line 10 is in an advantageous embodiment, a valve 32 arranged. It can be provided that at least the two valves 30 and 32 are a common valve and at the mouth 14 this valve is arranged. It may also be provided that the valve 28 at the mouth 14 is arranged and in particular with the valves 30 and 32 is summarized to a common valve.

About the line 10 can separately and independently of the output of a mixed water via the conduit device 6 to the output unit 2 Here also a mixed liquid is issued by liquid from the hot water system 11 and liquid from the cooling water system 12 mixed.

In particular Vorteilhaftigkeit is provided that the drain line 29 completely below the mouth 14 in which she is in the line 10 opens, is arranged. In particular, the drain line 29 formed in this vertical direction (y-direction) without a line minimum. Draining the remaining liquid from the line 10 via the drainage line 29 Therefore, it can be done in a particularly advantageous manner purely by gravity. In particular, thus, one with the mouth 14 connected inlet of the drain line 29 the highest point in the vertical direction of the drainage pipe 29 and one of these estuaries 14 remote and the preferably existing residual reservoir 31 facing outlet of this drain line 29 the lowest vertical point of this drain line 29 dar. The with the preferably existing valves 30 and 32 , which may also be designed as a common single valve, achievable operating options for supplying, discharging and dispensing liquid from the dispensing unit 2 and / or the drain line 29 have already been explained above. In particular, over the valve 28 and the drainage line 29 , in particular with the valve 30 , also a rinsing process of the cooling water system 12 as already explained above.

The household appliance 1 moreover, more particularly has a display unit 33 on, for example, the temperatures of hot water in the hot water system 11 and / or temperatures of the cooled water in the cooling water system 12 can be displayed. In addition, further information can be displayed here. The display unit 33 In addition, it can also be designed as an input unit via which a user can make settings. In particular, a display and / or adjusting device is formed. In particular, for example, temperatures of a mixed liquid to be dispensed from a hot water of the hot water system 11 and a cooling water from the cooling water system 12 should be mixed, entered and / or displayed. In addition, it is then preferably also possible for an input to be made as to which additives, if any, of this mixing liquid are to be added and / or whether the mixing liquid should be carbonated.

The household appliance 1 has a control unit 34 on, by means of which the household appliance 1 is controllable. In particular, output processes and / or mixing processes can be controlled accordingly here. This can be done by the hot water system 11 and the cooling water system 12 be controlled accordingly. Preferably, then the corresponding valves 18 . 20 and in particular 28 also controlled accordingly. The valve 20 is here in the line unit 17 between the boiler 15 and the mouth 14 arranged.

In addition, especially the refrigeration cycle 21 of the cooling water system 12 by the control unit 34 controlled. The control unit 34 may be a single control unit, but it may be formed as a higher-level control system of several control units.

In particular, the home appliance 1 in addition, a carbonation unit 35 in particular, with the cooling water system 12 , preferably the line unit 27 , connected is. In a corresponding connecting line, a valve 36 be arranged. The cooled liquid coming from the cooling water system 12 the mixed liquid passing through the mixing line 10 , which is the output line to be output, can then be carbonated here.

In addition, the home appliance can 1 a medium addition unit 37 in particular also preferably with the cooling water system 12 connected is. Again, in the appropriate line a valve 38 be arranged. Preferably, the medium addition unit is 37 with the line unit 27 that are different from the container 25 to the mouth 14 extends, connected.

LIST OF REFERENCE NUMBERS

1

household appliance

2

output unit

3

discharge opening

4

connection device

5

External water network

6

conducting device

8th

Cold water line

8th

Hot water pipe

9

Wassertemperierungssystem

10

mixing line

11

Hot water system

12

Chilled water system

13

muzzle

14

muzzle

15

boiler

16

supply

17

line unit

18

Valve

19

filter

20

Valve

21

Refrigeration circuit

22

compressor

23

condenser

24

Evaporator

25

container

26

supply

27

line unit

28

Valve

29

drain line

30

Valve

31

rest reservoir

32

Valve

33

display unit

34

control unit

35

Karbonisierungseinheit

36

Valve

37

Medium adding unit

38

Valve

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 102013002857 A1 [0002]
• DE 102008006255 A1 [0003]

Claims (15)

Domestic appliance (1) for dispensing liquid, comprising an output unit (2) for dispensing the liquid, which is a sanitary fitting, with a connection device (4) for connecting the household appliance (1) to an external water network (5), and at least one to the connection device (4) separate water tempering system (9), with which one of the device external water network (5) the water temperature control system (9) supplied water is temperature controlled, wherein the water tempering system (9) has a line unit (17, 27), with which the Wasseremperierungssystem (9) with the output unit (2) is connected, and with a line unit (17, 27) separate conduit means (6), with which the water of the external equipment water network (5) directly from the connection device (4) to the output unit (2 ) is conductive, characterized in that the Wasseremperierungssystem (9) to a for conducting a tempered water from the Wassertemperierun Liquid (10) of the output unit (2) opens and from the line (10) to this line (10) separate drain line (29) for discharging after a discharge operation of the liquid in the line (10). branches off remaining remaining liquid. Household appliance (1) after Claim 1 , characterized in that the discharge line (29) opens into a to the output unit (2) separate residual reservoir (31). Household appliance (1) after Claim 2 , characterized in that the remainder reservoir (31) is connected to an external wastewater network. Domestic appliance (1) according to one of the preceding claims, characterized in that the discharge line (29) does not open at a discharge opening (3) of the dispensing unit (2) which is designed at least for dispensing the liquid. Domestic appliance (1) according to one of the preceding claims, characterized in that the line (10) is a mixing line which is designed to conduct a mixed liquid which is formed from a hot water of a hot water system (11) of the water tempering system (9) and another media component. in the household appliance (1) is connected. Domestic appliance (1) according to one of the preceding claims, characterized in that the water tempering system (9) has a hot water system (11) with which a water supplied from the external water network (5) can be heated, and to the hot water system (11) and the Conduit (6) has separate cooling water system (12), with which a water supplied from the external water supply network (5) can be cooled. Household appliance (1) after Claim 6 , characterized in that the hot water system (11) and the cooling water system (12) at a same mouth (14) open to the line (10). Household appliance (1) after Claim 7 , characterized in that between the mouth (14) and a discharge opening (3) of the output unit (2), a valve (32) in the conduit (10) is arranged. Household appliance (1) after Claim 7 or 8th , characterized in that the discharge line (29) in the height direction (y) of the household appliance (1) completely below the mouth (14), at which the hot water system (11) and the cooling water system (12) to the line (10) open is. Domestic appliance (1) according to one of the preceding claims, characterized in that in the discharge line (29) a valve (30) is arranged. Household appliance (1) according to one of Claims 7 to 9 and after Claim 10 , characterized in that the valve (30) is arranged directly at the mouth (14). Domestic appliance (1) according to any one of the preceding claims, characterized in that the discharge of the remaining liquid from the conduit (10) is carried out exclusively by gravity. Household appliance (1) after Claim 8 and or Claim 10 , characterized in that the household appliance (1) has a control unit (34) with which at least one valve (18, 28, 30, 32) is adjustable in its operating position. Domestic appliance (1) according to one of the preceding claims, characterized in that the conduit means (6) comprises a cold water pipe (7) and a separate hot water pipe (8), wherein the water tempering system (9) internally with the cold water pipe (7) for supplying Water to the water tempering system (11) is connected. Domestic appliance (1) according to one of the preceding claims, characterized in that the water tempering system (12) with a Karbonisierungseinheit (35) of the household appliance (1) and / or with a medium addition unit (37) of the household appliance (1) is connected.

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