EP3445905B1 - Laundry care appliance with a liquid coupling - Google Patents

Description

The present invention relates to a laundry care device with a fluid coupling.

Conventional laundry care devices may include a removable storage container to hold liquid, e.g. liquid laundry care substances or water. The removable reservoir can be fluidly connected to a metering device, among other things. The metering device can be inserted into a storage container of the laundry care device and is designed to supply the liquid taken up to the laundry care device during a washing process. In order to ensure the operation of the metering device, it is important to recognize in time a low filling level of the liquid in the removable storage container. If the user of the household appliance is promptly informed by the laundry care device of the low filling level of the liquid in the removable storage container, he can refill liquid in the removable storage container. This avoids that the liquid in the removable storage container is completely used up and the removable storage container runs dry.

In the EP 2 508 667 A1 describes a washing machine with a detergent container for holding detergent, the washing machine being designed to automatically supply the detergent to a tub of washing machine.

The disclosure DE 10 2014 220 354 A1 shows a household appliance with a removable reservoir.

It is the object on which the invention is based to specify a laundry care device in which an effective detection of a fill level of a liquid accommodated in a removable storage container of a metering device can be made possible.

This object is achieved by the subject with the features according to the independent claim. Advantageous embodiments of the invention are the subject of the figures, the description and the dependent claims.

According to one aspect of the invention, the object is achieved by a laundry care device with a removable storage container, the removable storage container having a container interior for holding a liquid, the removable storage container comprising a displaceable closing body for closing an opening in the removable storage container, and with a liquid coupling for supplying the liquid from the removable storage container through the opening into a metering device of the laundry care device, the liquid coupling being designed to move the displaceable closing body from a first position to close the opening into a second position to release the opening, the liquid coupling being a first Has electrode and a second electrode, wherein the first and second electrodes in the second position of the sliding closing body with the container interior in contact ehen, wherein a voltage can be applied to the first and second electrodes in the second position of the displaceable closing body, and wherein the laundry care device has a control which is electrically connected and designed with the first and second electrodes, based on a change in the voltage induced Current flow to detect a level of the liquid in the removable reservoir.

This achieves the technical advantage that an effective fluid-technical connection between the removable storage container and the metering device can be ensured by the liquid coupling, and that the fill level of the liquid in the removable storage container can be effectively determined by the control connected to the two electrodes.

In conventional laundry care devices with an automatic dosing function, the laundry care device has a dosing device into which a liquid, such as laundry care substance, is accommodated. The metering device is designed to supply the laundry care substance to the laundry care device from a removable storage container which is fluidly connected to the metering device. In this case, a liquid coupling is used in conventional laundry care devices, which effectively connects the removable storage container to the metering device in terms of fluid technology in order to enable the liquid to be fed from the removable storage container into the metering device.

In the laundry care device according to the invention, the liquid coupling not only enables an effective fluid-technical connection between the removable storage container and the dosing device, but also an effective electrical communication between the dosing device and the removable storage container. For this purpose there are two electrodes in the fluid coupling. When the fluid coupling is fluidly connected to the removable storage container, the fluid coupling moves the displaceable closing body from the first position to close the opening into the second position to release the opening. Thus, the liquid can be fed through the liquid coupling from the removable storage container to the metering device. In the second position of the displaceable closing body, the two electrodes are in contact with the container interior, in particular with the liquid in the container interior. A voltage can be applied to the two electrodes in the second position of the displaceable closing body. If the two electrodes are in contact with liquid in the interior of the container, the voltage applied to the electrodes enables a current to flow between the two electrodes due to the electrically conductive property of the liquid. Since the two electrodes of the fluid coupling fluidically connected to the removable storage container are arranged at a defined height on the removable storage container, the controller can detect when the current flows through the liquid that the level of the liquid in the removable storage container is arranged above the electrodes. On the other hand, if the flow of current through the liquid drops, the control can also detect that the fill level of the liquid in the removable storage container drops below the height of the two electrodes, whereby a falling fill level of the liquid in the removable storage container can be detected.

The liquid coupling thus combines an effective fluid-technical connection between the removable storage container and the metering device with an advantageous fill level detection of the liquid in the removable storage container. This can save an additional electrical system for detecting the level of the liquid in the removable storage container. In addition, the introduction of live components on the removable Storage containers can be dispensed with, which means that there is no need for electrical isolation and costs can be saved.

A laundry care device is understood to be a device which is used for laundry care, such as a washer or dryer. Such a laundry care device is understood in particular to mean a household laundry care device. So a laundry care device, which is used in the context of housekeeping, and with which laundry is treated in normal household quantities.

In an advantageous embodiment of the laundry care device, the control is designed to detect an empty state of the liquid in the removable storage container when the current flow induced by the voltage drops.

This achieves the technical advantage that the controller can use the detection of the falling current flow to determine whether the liquid in the removable storage container is empty. If the fill level of the liquid in the removable storage container is below one of the two electrodes in the liquid coupling, the electrode is no longer in contact with liquid but with air in the interior of the container. Due to the electrically insulating properties of the air in the container interior, no current flow can take place between the two electrodes, and the current flow between the two electrodes induced by the voltage drops. As a result, the control system can detect an empty state of the liquid in the removable storage container.

In a further advantageous embodiment of the laundry care device, the second electrode is arranged at the opening in the second position of the displaceable closing body in order to be in contact with the interior of the container in the second position of the displaceable closing body.

This has the technical advantage that the positioning of the second electrode at the opening in the removable storage container ensures that when liquid is supplied from the removable storage container through the opening and through the liquid coupling to the metering device, the second electrode with the liquid in Contact is there. As a result, the second electrode is at one with the Removable reservoir fluid fluidly connected fluid coupling in contact with the liquid and the controller can detect a level of the liquid in the removable reservoir based on a change in the current flow induced by the voltage.

In a further advantageous embodiment of the laundry care device, the first electrode is arranged on an outside or on an upper side of the fluid coupling in order to be in contact with the interior of the container in the second position of the displaceable closing body.

This has the technical advantage that the positioning of the first electrode on the outside or on the top of the fluid coupling ensures that the first electrode is in effective contact with the container interior in the second position of the displaceable closing body. This can ensure that an effective current flow through the liquid is made possible by the first electrode arranged on the outside or on the top of the liquid coupling when the liquid in the removable storage container is sufficiently full.

In a further advantageous embodiment of the laundry care device, the removable storage container has a further opening, the further opening being closable by the displaceable closing body in the first position and releasable in the second position, and the first electrode being in the second position at the further opening is arranged.

This achieves the technical advantage that the positioning of the first electrode at the further opening of the removable storage container ensures that the first electrode is in effective contact with the container interior in the second position of the displaceable closing body. By means of the first electrode arranged at the further opening, the control can detect the fill level of the liquid in the removable storage container by changing the current flow through the first and second electrodes.

In a further advantageous embodiment of the laundry care device, the first electrode has a receiving area which is received in the liquid coupling, and the first electrode has a line section, the line section being arranged at the further opening in the second position of the displaceable closing body.

This achieves the technical advantage that the first electrode can be attached to the fluid coupling by means of the receiving area. When the first electrode is positioned at the further opening, only the line section of the first electrode is arranged in the second position of the displaceable closing body at the further opening, as a result of which the entire first electrode does not come into contact with the container interior or the liquid in the container interior stands.

In a further advantageous embodiment of the laundry care device, the liquid coupling has a liquid channel, the liquid channel having a channel opening at an end facing the removable storage container, the channel opening being in fluidic contact with the opening of the removable storage container in the second position of the displaceable closing body Feed liquid from the removable storage container through the opening, through the channel opening and through the liquid channel to the metering device of the laundry care device.

This achieves the technical advantage that the fluid channel of the fluid coupling enables the fluid to be efficiently conducted from the removable storage container through the opening and through the channel opening into the fluid channel, and that the fluid can be effectively supplied to the metering device of the laundry care device through the fluid channel ,

In a further advantageous embodiment of the laundry care device, the second electrode is arranged at least in sections on the liquid channel in order to be in contact with liquid passed through the liquid channel.

This achieves the technical advantage that at least a portion of the second electrode is in contact with liquid through the second electrode arranged at least in sections on the liquid channel when the liquid is conducted through the liquid channel. As a result, the second electrode is in effective electrically conductive contact with the liquid in the liquid channel.

In a further advantageous embodiment of the laundry care device, the displaceable closing body comprises a closing spring, the closing spring in the second position being able to be pressed against the displaceable closing body with a spring force, and the displaceable closing body being displaceable from the second position into the first position by relaxing the closing spring ,

This achieves the technical advantage that the displaceable closing body enables the container interior of the removable storage container to be closed effectively. When the fluid coupling is removed from the removable storage container, the closing spring relaxes and moves the displaceable closing body from the second position to the first position. This enables the removable storage container to be closed effectively when the fluid coupling is removed.

In a further advantageous embodiment of the laundry care device, the liquid coupling has a connecting piece at an end facing away from the removable storage container, the connecting piece being insertable into a receiving section of the metering device of the laundry care device in order to provide a fluid-tight fluid-technical connection between the liquid coupling and the metering device.

This achieves the technical advantage that an effective fluid-technical connection between the fluid coupling and the metering device is made possible by the connecting piece.

In a further advantageous embodiment of the laundry care device, the displaceable closing body is in a cavity of the removable storage container arranged, the fluid coupling can be inserted into the cavity, and wherein the opening or the further opening is arranged in a cavity wall of the cavity.

This achieves the technical advantage that the cavity enables an effective fluid-technical connection of the fluid coupling to the removable storage container. The fluid coupling can be introduced into the cavity, as a result of which the displaceable closing body located in the cavity is displaced from the first position to the second position. As a result, the opening in the cavity wall which is closed in the first position by the displaceable closing body is released and liquid can be guided through the opening and through the liquid coupling introduced into the cavity.

In a further advantageous embodiment of the laundry care device, the fluid coupling can be introduced into the cavity through a cavity opening, in particular through a round cavity opening.

This achieves the technical advantage that the fluid coupling can be effectively introduced into the cavity through the cavity opening. As a result, an effective connection can be established between the removable storage container and the fluid coupling in order to advantageously carry out a supply of fluid through the fluid coupling.

In a further advantageous embodiment of the laundry care device, the liquid coupling has a sealing element or the displaceable closing body has a further sealing element for closing the cavity in a liquid-tight manner.

This achieves the technical advantage that the cavity can be closed in a liquid-tight manner by using a sealing element on the displaceable closing body or on the fluid coupling. Leakage of liquid during the supply of liquid from the removable storage container into the metering device can thereby be prevented.

In a further advantageous embodiment of the laundry care device, the cavity is arranged on an underside of the removable storage container.

This achieves the technical advantage that the arrangement of the cavity on the underside of the removable storage container ensures that the fluid coupling is likewise introduced into the cavity on the underside of the removable storage container. Effective fill level detection of the liquid in the removable storage container can take place on the underside of the removable storage container, thereby enabling a particularly effective detection of the vacancy level in the removable storage container.

In a further advantageous embodiment of the laundry care device, the laundry care device has a display element for displaying a warning signal when the controller detects that the liquid level of the liquid in the removable storage container falls below a predetermined liquid threshold value.

This achieves the technical advantage that the display element can indicate to the user an insufficient amount of liquid in the removable storage container. As a result, the user of the laundry care device can add more liquid to the removable storage container or stop a laundry care program of the laundry care device, which can prevent the laundry care device from running dry.

Further exemplary embodiments of the invention are shown in the drawings and are described in more detail below.

Fig. 1

eine schematische Darstellung eines Wäschepflegegeräts;

Fig. 2

eine schematische Darstellung einer Flüssigkeitskupplung;

Fig. 3

eine schematische Darstellung eines Einsetzvorgangs einer Flüssigkeitskupplung in einen entnehmbaren Vorratsbehälters in einem Wäschepflegegerät; und

Fig. 4

eine schematische Darstellung einer in einen entnehmbaren Vorratsbehälters eingesetzten Flüssigkeitskupplung in einem Wäschepflegegerät.

Show it:

Fig. 1

a schematic representation of a laundry care device;

Fig. 2

a schematic representation of a fluid coupling;

Fig. 3

is a schematic representation of an insertion process of a fluid coupling in a removable storage container in a laundry care device; and

Fig. 4

is a schematic representation of a liquid coupling used in a removable storage container in a laundry care device.

Fig. 1 shows a schematic view of a washing machine representative of a general laundry care device 100. The laundry care device 100 comprises a storage container 101 into which detergents or other liquid substances can be filled. The laundry care device 100 comprises a door 103 for loading the laundry care device 100 with laundry. As an alternative to manually filling laundry care substance into the storage container 101, an in Fig. 1 Dosing device, not shown, can be inserted into the storage container 101. The dosing device can automatically dispense a liquid, in particular a washing liquid, such as a laundry care substance, into the storage container 101, whereby an automatic dosing process of laundry care substance can be made possible during a washing cycle of the laundry care device.

Fig. 2 shows a schematic representation of a fluid coupling. The fluid coupling 105 is formed in Fig. 2 Dosing device, not shown, with a in Fig. 2 to connect, not shown, removable storage container by fluid technology. For this purpose, the fluid coupling 105 has a coupling end face 107, which is in contact with the removable storage container, and for this purpose has a connecting piece 109, the connecting piece 109 in an in Fig. 2 Not shown receiving portion of the metering device can be inserted. Within the fluid coupling 105, a fluid channel 111 extends from the coupling end face 107 to the connecting piece 109 in order to ensure an effective passage of the fluid from the removable reservoir through the fluid channel 111 to the metering device.

In order to ensure a fluid-tight connection between the fluid coupling 105 and the removable storage container, a sealing element 113, in particular a circumferential sealing ring, is arranged on the fluid coupling 105.

The fluid coupling 105 further has a first electrode 115 and a second electrode 117, which are arranged within the fluid coupling 105 and can be connected to an electrical power source and a controller. The electrical power source and the control are in Fig. 2 not shown.

Fig. 3 shows a schematic representation of an insertion process of a fluid coupling in a removable storage container in a laundry care device. The removable storage container 119 comprises a storage container wall 121 and a storage container bottom 123, which delimit a container interior 125. The removable storage container 119 comprises a cavity 127 which is delimited by a cavity wall 129. The cavity wall 129 has an opening 131 and a further opening 133. Liquid 135, in particular washing liquid, can flow through the opening 131 from the container interior 125 into the cavity 127. In order to avoid an uncontrolled escape of the liquid 135 from the cavity 127, a displaceable closing body 137 is arranged in the cavity 127. The displaceable closing body 137 comprises a further sealing element 139, in particular a circumferential sealing ring, in order to close the displaceable closing body 137 in a liquid-tight manner with the cavity wall 129. The displaceable closing body 137 also includes a closing spring 141 which can be pressed against the displaceable closing body 137 by a spring force. The cavity 127 is connected to the outer region 145 of the removable storage container 117 by a cavity opening 143, in particular by a round cavity opening 143.

Fig. 3 shows an insertion process of the in Fig. 2 shown liquid coupling 105 in the removable storage container 119 in the laundry care device 100. The liquid coupling 105 is inserted with the coupling face 107 through the cavity opening 143 into the cavity 127 of the removable storage container 119. The fluid coupling 105 has a sealing element 113, in particular a circumferential sealing ring, in order to ensure effective fluid-technical sealing between the fluid coupling 105 and the cavity 127 of the removable storage container 119. The fluid coupling 105 has a fluid channel 111 in order to remove fluid 135 from the removable reservoir 119 through the fluid channel 111 Fig. 3 feed not shown metering device. Here, the fluid coupling 105 has one Connection piece 109, wherein the connection piece 109 is fluidly connected to the metering device.

As from the Fig. 3 can be removed, the liquid coupling 105 is introduced in an insertion direction 147 into the cavity 127 of the removable storage container 119. The coupling end face 107 is in contact with the displaceable closing body 137, which is in a first position. In the in Fig. 3 In the illustrated first position, the closing spring 141 is relaxed, and the opening 131 and the further opening 133 are closed by the displaceable closing body 137.

The closure of the first opening 131 and the further opening 133 by the displaceable closing body 137 prevents the liquid from escaping uncontrollably from the container interior 125 of the removable storage container 119.

Fig. 4 shows a schematic representation of the in Fig. 3 shown removable storage container with an inserted liquid coupling in a laundry care device.

As in Fig. 4 is shown, the displaceable closing body 137 has been displaced by a movement of the fluid coupling 105 in the insertion direction 147 from the first position to the second position. With a fluid coupling 105 completely inserted into the cavity 127, the displaceable closing body 137 is in the second position. In the second position, the opening 131 is not closed by the displaceable closing body 137. This allows liquid 135 to flow out of the container interior 125 through the opening 131 and the liquid channel 111 of the liquid coupling 105 in FIG Fig. 3 Dosing device, not shown, are supplied. In the second position of the displaceable closing body 137, the further opening 133 is not completely closed by the displaceable closing body 137, but is at least partially released.

The first electrode 115 has a receiving area 149, which is received in the fluid coupling 105, and has a line section 151, which is arranged in the second position of the displaceable closing body 137 at the further opening 133. Thus, the first electrode 115, in particular the Line section 151 of the first electrode 115, in contact with the liquid 135 in the container interior 125.

The second electrode 117 is arranged at least in sections on the liquid channel 111 within the liquid coupling 105 and is in contact with the liquid 135 guided through the opening 131 into the liquid channel 111.

As in Fig. 4 not shown, the first and second electrodes 115, 117 are electrically conductively connected to a voltage source, as a result of which a voltage can be applied to the first and second electrodes 115, 117. If liquid 135 with a sufficient fill level is present in the container interior 125, then the first and second electrodes 115, 117 are in contact with the liquid 135 and, due to the electrically conductive properties of the liquid 135, a current flow occurs between the first electrode 115 and of the second electrode 117. The first and second electrodes 115, 117 are also connected with an in Fig. 4 controller not shown connected. The controller can use the flow of the current conducted through the liquid to detect the fill level of the liquid in the removable storage container 119.

When the liquid 135 is discharged through the liquid channel 111 of the liquid coupling 105 from the container interior 125, the liquid level in the container interior 125 drops, as a result of which the first electrode 115 arranged at the further opening 133 comes into contact with air. Due to the electrically non-conductive properties of the air which is in contact with the first electrode 115, the current flow between the first electrode 115 and the second electrode 117 is interrupted. The controller connected to the first and second electrodes 115, 117 can detect a drop in the current flow between the first electrode 115 and the second electrode 117. As a result, the control system can detect a drop in the fill level of the liquid in the container interior 125 and point out to the user of the laundry care device 100 that the liquid 135 in the removable storage container 119 is empty.

The fluid coupling 105 thus creates a mechanical and hydraulic connection between the removable storage container 119 and the metering device provided. The first and second electrodes 115, 117 integrated in the fluid coupling 105 can also provide an electrical connection between the removable storage container 119 and the metering device. In this case, the liquid 135 located in the removable storage container 119 closes the electrical circuit between the first and second electrodes 115, 117. As a result, access to the liquid 135 and the fill level of the liquid 135 in the removable storage container 119 can be achieved with a single liquid coupling 105 , An additional electrical system for detecting the fill level of the liquid 135 in the removable storage container 119 can thereby be saved. In addition, no live components have to be attached to the removable reservoir 119. Furthermore, there is no need to ensure galvanic isolation, which can reduce costs.

All of the features explained and shown in connection with individual embodiments of the invention can be provided in different combinations in the subject matter of the invention in order to simultaneously realize their advantageous effects.

The scope of the present invention is given by the claims and is not limited by the features explained in the description or shown in the drawings.

LIST OF REFERENCE NUMBERS

100

Laundry care device

101

storage container

103

door

105

fluid coupling

107

Clutch front side

109

spigot

111

liquid channel

113

sealing element

115

First electrode

117

Second electrode

119

Removable storage container

121

Reservoir wall

123

Reservoir bottom

125

Container interior

127

cavity

129

cavity wall

131

opening

133

Further opening

135

liquid

137

Sliding closing body

139

Another sealing element

141

closing spring

143

cavity opening

145

outdoors

147

insertion

149

receiving portion

151

line section

Claims (13)

1. Laundry care appliance (100) with a removable storage container (119), wherein the removable storage container (119) has a container interior (125) for receiving a liquid (135), wherein the removable storage container (119) comprises a displaceable closing element (137) for closing off an opening (131) in the removable storage container (119), and with a liquid coupling (105) for supplying the liquid (135) from the removable storage container (119), through the opening (131) and into a dosing device of the laundry care appliance (100), characterised in that, wherein
   the liquid coupling (105) is embodied to displace the displaceable closing element (137) from a first position for closing off the opening (131) into a second position for unblocking the opening (131), wherein
   the liquid coupling (105) has a first electrode (115) and a second electrode (117), wherein the first and second electrode (115, 117) are in contact with the container
   interior (125) in the second position of the displaceable closing contact (137), wherein a voltage is able to be applied to the first and second electrode (115, 117) in the second position of the displaceable closing element (137), wherein
   the laundry care appliance (100) has a controller, which is electrically connected to the first and second electrode (115, 117) and is embodied, on the basis of a change in the current flow induced by the voltage, to detect a fill level of the liquid (135) in the removable storage container (119),
   so that, when the liquid coupling (105) is fluidically connected to the removable storage container (119), the liquid coupling (105) then displaces the displaceable closing element (137) from the first position for closing off the opening (131) into the second position for unblocking the opening (131), so that the liquid (135) is able to be fed, through the liquid coupling (105), out of the removable storage container (119) and to the dosing device, wherein the two electrodes (115, 117) are in contact with the container interior (125), in particular with the liquid (135) in the container interior (125), in the second position of the displaceable closing element (137),
   wherein the two electrodes (115, 117) are arranged at a defined height on the removable storage container (119), so that the controller, with a current flow occurring through the liquid (135), is able to detect that the fill level of the liquid (135) in the removable storage container (119) is arranged above the electrodes (115, 117), and so that the controller, with a drop in the current flow through the liquid (135), is likewise able to detect that the fill level of the liquid (135) in the removable storage container (119) falls below the height of the two electrodes (115, 117), whereby it is possible to detect a falling fill level of the liquid (135) in the removable storage container (119), wherein the second electrode (117), in the second position of the displaceable closing element (137), is arranged on the opening (131), in order to be in contact with the container interior (125) in the second position of the displaceable closing element (137), characterised in that the removable storage container (119) has a further opening (133), wherein the further opening (133) is able to be closed off by the displaceable closing element (137) in the first position and unblocked in the second position, and that the first electrode (115) is arranged on the further opening (133) in the second position.
2. Laundry care appliance (100) according to claim 1, characterised in that the controller is embodied, with a drop in the current flow induced by the voltage, to detect an empty state of the liquid (135) in the removable storage container (119).
3. Laundry care appliance (100) according to one of the preceding claims, characterised in that the first electrode (115) is arranged on an outer side or on an upper side of the liquid coupling (105), in order to be in contact with the container interior (125) in the second position of the displaceable closing element (137).
4. Laundry care appliance (100) according to one of the preceding claims, characterised in that the first electrode (115) has a receiving region (149) which is accommodated in the liquid coupling (105), and that the first electrode (115) has a line section (151), wherein the line section (151) is arranged at the further opening (133) in the second position of the displaceable closing element (137).
5. Laundry care appliance (100) according to one of the preceding claims, characterised in that the liquid coupling (105) has a liquid channel (111), wherein the liquid channel (111) has a channel opening at an end facing towards the removable storage container (119), wherein the channel opening, in the second position of the displaceable closing element (137), is fluidically in contact with the opening (131) of the removable storage container (119), in order to feed liquid (135) from the removable storage container (119), through the opening (131), through the channel opening and through the liquid channel (111) of the dosing device of the laundry care appliance (100).
6. Laundry care appliance (100) according to claim 5, characterised in that the second electrode (117) is arranged on the liquid channel (111), at least in sections, in order to be in contact with liquid (135) conducted through the liquid channel (111).
7. Laundry care appliance (100) according to one of the preceding claims, characterised in that the displaceable closing element (137) comprises a closing spring (139), wherein the closing spring (139) is able to be pressed against the displaceable closing element (137) with a spring force in the second position, and that the displaceable closing element (137) is able to be displaced from the second position into the first position by relaxing the closing spring (139).
8. Laundry care appliance (100) according to one of the preceding claims, characterised in that the liquid coupling (105) has a connection nozzle (109) at an end facing away from the removable storage container (119), wherein the connection nozzle (109) is able to be introduced into a receiving section of the dosing device of the laundry care appliance (100), in order to provide a fluid-tight fluid-based connection between the liquid coupling (105) and the dosing device.
9. Laundry care appliance (100) according to one of the preceding claims, characterised in that the displaceable closing element (137) is arranged in a cavity (127) of the removable storage container (119), wherein the liquid coupling (105) is able to be introduced into the cavity (127), and wherein the opening (131) or the further opening (133) is arranged in a cavity wall (129) of the cavity (127).
10. Laundry care appliance (100) according to claim 9, characterised in that the liquid coupling (105) is able to be introduced into the cavity (127) through a cavity opening (143), in particular through a round cavity opening (143).
11. Laundry care appliance (100) according to claim 9 or 10, characterised in that the liquid coupling (105) has a sealing element (113) or the displaceable closing element (137) has a further sealing element (139) for the liquid-tight sealing off of the cavity (127).
12. Laundry care appliance (100) according to one of the preceding claims 9 to 11, characterised in that the cavity (127) is arranged on an underside of the removable storage container (119).
13. Laundry care appliance (100) according to one of the preceding claims, characterised in that the laundry care appliance (100) has a display element for displaying a warning signal when the controller detects that the liquid level of the liquid (135) in the removable storage container (119) falls below a predetermined liquid threshold value.

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