EP3445905B1 - Laundry care appliance with a liquid coupling - Google Patents
Laundry care appliance with a liquid coupling Download PDFInfo
- Publication number
- EP3445905B1 EP3445905B1 EP17713666.0A EP17713666A EP3445905B1 EP 3445905 B1 EP3445905 B1 EP 3445905B1 EP 17713666 A EP17713666 A EP 17713666A EP 3445905 B1 EP3445905 B1 EP 3445905B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- storage container
- removable storage
- laundry care
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims description 151
- 230000008878 coupling Effects 0.000 title claims description 88
- 238000010168 coupling process Methods 0.000 title claims description 88
- 238000005859 coupling reaction Methods 0.000 title claims description 88
- 239000012530 fluid Substances 0.000 claims description 59
- 238000007789 sealing Methods 0.000 claims description 15
- 230000002040 relaxant effect Effects 0.000 claims description 2
- 238000005406 washing Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000003599 detergent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/44—Current or voltage
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
Definitions
- 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.
- 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.
- the disclosure DE 10 2014 220 354 A1 shows a household appliance with a removable reservoir.
- 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.
- 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.
- 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.
- 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.
- 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.
- the liquid can be fed through the liquid coupling from the removable storage container to the metering device.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- the first electrode can be attached to the fluid coupling by means of the receiving area.
- 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.
- 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.
- 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 ,
- 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.
- 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.
- the second electrode is in effective electrically conductive contact with the liquid in the liquid channel.
- 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 ,
- the displaceable closing body enables the container interior of the removable storage container to be closed effectively.
- 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.
- 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.
- 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.
- 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.
- 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.
- the fluid coupling can be introduced into the cavity through a cavity opening, in particular through a round cavity opening.
- 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.
- 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.
- the cavity is arranged on an underside of the removable storage container.
- 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.
- the display element can indicate to the user an insufficient amount of liquid in the removable storage container.
- 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.
- 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.
- an in Fig. 1 Dosing device 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.
- 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.
- 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.
- a sealing element 113 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.
- 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.
- the fluid coupling 105 has one Connection piece 109, wherein the connection piece 109 is fluidly connected to the metering device.
- 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.
- 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.
- 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.
- the displaceable closing body 137 With a fluid coupling 105 completely inserted into the cavity 127, the displaceable closing body 137 is 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.
- 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.
- 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.
- 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.
- 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.
- the liquid 135 located in the removable storage container 119 closes the electrical circuit between the first and second electrodes 115, 117.
- An additional electrical system for detecting the fill level of the liquid 135 in the removable storage container 119 can thereby be saved.
- 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.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Devices For Dispensing Beverages (AREA)
Description
Die vorliegende Erfindung betrifft ein Wäschepflegegerät mit einer Flüssigkeitskupplung.The present invention relates to a laundry care device with a fluid coupling.
Herkömmliche Wäschepflegegeräte können einen entnehmbaren Vorratsbehälter umfassen, um Flüssigkeit, wie z.B. flüssige Wäschepflegesubstanzen oder Wasser, aufzunehmen. Der entnehmbare Vorratsbehälter kann unter anderem mit einer Dosiereinrichtung fluidtechnisch verbunden sein. Die Dosiereinrichtung ist in einen Bevorratungsbehälter des Wäschepflegegeräts einsetzbar und ist ausgebildet, die aufgenommene Flüssigkeit während eines Waschvorgangs dem Wäschepflegegerät zuzuführen. Um den Betrieb der Dosiereinrichtung sicherzustellen, ist das rechtzeitige Erkennen eines geringen Füllstands der Flüssigkeit in dem entnehmbaren Vorratsbehälter wichtig. Wenn der Nutzer des Haushaltsgeräts zeitnah auf den geringen Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter durch das Wäschepflegegerät hingewiesen wird, kann er Flüssigkeit in den entnehmbaren Vorratsbehälter nachfüllen. Dadurch wird vermieden, dass die Flüssigkeit in dem entnehmbaren Vorratsbehälter vollständig verbraucht wird, und der entnehmbare Vorratsbehälter trockenläuft.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 der
Die Offenlegungsschrift
Es ist die der Erfindung zugrundeliegende Aufgabe, ein Wäschepflegegerät anzugeben, bei dem ein wirksames Erfassen eines Füllstands einer in einem entnehmbaren Vorratsbehälter einer Dosiereinrichtung aufgenommenen Flüssigkeit ermöglicht werden kann.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.
Diese Aufgabe wird durch den Gegenstand mit den Merkmalen nach dem unabhängigen Anspruch gelöst. Vorteilhafte Ausführungsformen der Erfindung sind Gegenstand der Figuren, der Beschreibung und der abhängigen Ansprüche.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.
Gemäß einem Aspekt der Erfindung wird die Aufgabe durch ein Wäschepflegegerät mit einem entnehmbaren Vorratsbehälter gelöst, wobei der entnehmbare Vorratsbehälter einen Behälterinnenraum zur Aufnahme einer Flüssigkeit aufweist, wobei der entnehmbare Vorratsbehälter einen verschiebbaren Schließkörper zum Verschließen einer Öffnung in dem entnehmbaren Vorratsbehälter umfasst, und mit einer Flüssigkeitskupplung zum Zuleiten der Flüssigkeit aus dem entnehmbaren Vorratsbehälter durch die Öffnung in eine Dosiereinrichtung des Wäschepflegegeräts, wobei die Flüssigkeitskupplung ausgebildet ist, den verschiebbaren Schließkörper von einer ersten Position zum Verschließen der Öffnung in eine zweite Position zur Freigabe der Öffnung zu verschieben, wobei die Flüssigkeitskupplung eine erste Elektrode und eine zweite Elektrode aufweist, wobei die erste und zweite Elektrode in der zweiten Position des verschiebbaren Schließkörpers mit dem Behälterinnenraum in Kontakt stehen, wobei an die erste und zweite Elektrode in der zweiten Position des verschiebbaren Schließkörpers eine Spannung anlegbar ist, und wobei das Wäschepflegegerät eine Steuerung aufweist, welche mit der ersten und zweiten Elektrode elektrisch verbunden und ausgebildet ist, anhand einer Änderung des durch die Spannung induzierten Stromflusses einen Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter zu erfassen.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.
Dadurch wird der technische Vorteil erreicht, dass durch die Flüssigkeitskupplung eine wirksame fluidtechnische Verbindung zwischen dem entnehmbaren Vorratsbehälter und der Dosiereinrichtung sichergestellt werden kann, und dass der Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter durch die mit den beiden Elektroden verbundenen Steuerung wirksam ermittelt werden kann.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 herkömmlichen Wäschepflegegeräten mit einer automatischen Dosierungsfunktion weist das Wäschepflegegerät eine Dosiereinrichtung auf, in welche eine Flüssigkeit, wie z.B. Wäschepflegesubstanz, aufgenommen ist. Die Dosiereinrichtung ist ausgebildet, die Wäschepflegesubstanz aus einem entnehmbaren Vorratsbehälter, welcher mit der Dosiereinrichtung fluidtechnisch verbunden ist, dem Wäschepflegegerät zuzuführen. Hierbei wird in herkömmlichen Wäschepflegegeräten eine Flüssigkeitskupplung verwendet, welche den entnehmbaren Vorratsbehälter mit der Dosiereinrichtung wirksam fluidtechnisch verbindet, um ein Zuführen der Flüssigkeit aus dem entnehmbaren Vorratsbehälter in die Dosiereinrichtung zu ermöglichen.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 dem erfindungsgemäßen Wäschepflegegerät ermöglicht die Flüssigkeitskupplung nicht nur eine wirksame fluidtechnische Verbindung zwischen dem entnehmbaren Vorratsbehälter und der Dosiereinrichtung, sondern ebenfalls eine wirksame elektrische Kommunikation zwischen der Dosiereinrichtung und dem entnehmbaren Vorratsbehälter. Hierzu befinden sich in der Flüssigkeitskupplung zwei Elektroden. Wenn die Flüssigkeitskupplung mit dem entnehmbaren Vorratsbehälter fluidtechnisch verbunden wird, dann verschiebt die Flüssigkeitskupplung den verschiebbaren Schließkörper von der ersten Position zum Verschließen der Öffnung in die zweite Position zur Freigabe der Öffnung. Somit kann die Flüssigkeit durch die Flüssigkeitskupplung aus dem entnehmbaren Vorratsbehälter der Dosiereinrichtung zugeführt werden. Die beiden Elektroden stehen in der zweiten Position des verschiebbaren Schließkörpers mit dem Behälterinnenraum, insbesondere mit der Flüssigkeit in dem Behälterinnenraum, in Kontakt. An die beiden Elektroden ist in der zweiten Position des verschiebbaren Schließkörpers eine Spannung anlegbar. Wenn die beiden Elektroden mit Flüssigkeit in dem Behälterinnenraum in Kontakt stehen wird durch die an die Elektroden angelegte Spannung aufgrund der elektrisch leitenden Eigenschaft der Flüssigkeit ein Stromfluss zwischen den beiden Elektroden ermöglicht. Da die beiden Elektroden der mit dem entnehmbaren Vorratsbehälter fluidtechnisch verbundenen Flüssigkeitskupplung in einer definierten Höhe an dem entnehmbaren Vorratsbehälter angeordnet sind, kann die Steuerung bei einem auftretenden Stromfluss durch die Flüssigkeit erfassen, dass der Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter oberhalb der Elektroden angeordnet ist. Andererseits kann die Steuerung bei einem Abfall des Stromflusses durch die Flüssigkeit ebenfalls erfassen, dass der Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter unter die Höhe der beiden Elektroden sinkt, wodurch ein sinkender Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter erfasst werden kann.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.
Somit vereinigt die Flüssigkeitskupplung eine wirksame fluidtechnische Verbindung zwischen dem entnehmbaren Vorratsbehälter und der Dosiereinrichtung mit einer vorteilhaften Füllstanderkennung der Flüssigkeit in dem entnehmbaren Vorratsbehälter. Dadurch kann ein zusätzliches elektrisches System zur Erkennung des Füllstands der Flüssigkeit in dem entnehmbaren Vorratsbehälter eingespart werden. Zudem kann auf das Einführen von spannungsführenden Komponenten an dem entnehmbaren Vorratsbehälter verzichtet werden, wodurch keine galvanische Trennung durchgeführt werden muss und dadurch Kosten gespart werden können.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.
Unter einem Wäschepflegegerät wird ein Gerät verstanden, welches zur Wäschepflege eingesetzt wird, wie z.B. eine Waschmaschine oder ein Wäschetrockner. Insbesondere wird unter solch einem Wäschepflegegerät ein Haushaltswäschepflegegerät verstanden. Also ein Wäschepflegegerät, welches im Rahmen der Haushaltsführung verwendet wird, und mit dem Wäsche in haushaltsüblichen Mengen behandelt wird.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 einer vorteilhaften Ausführungsform des Wäschepflegegeräts ist die Steuerung ausgebildet, bei einem Abfall des durch die Spannung induzierten Stromflusses einen Leerstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter zu erfassen.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.
Dadurch wird der technische Vorteil erreicht, dass durch das Erfassen des abfallenden Stromflusses durch die Steuerung erkannt werden kann, ob ein Leerstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter vorliegt. Wenn sich der Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter unterhalb von einer der beiden Elektroden in der Flüssigkeitskupplung befindet, steht die Elektrode nicht mehr mit Flüssigkeit sondern mit Luft in dem Behälterinnenraum in Kontakt. Aufgrund der elektrisch isolierenden Eigenschaften der Luft in dem Behälterinnenraum kann kein Stromfluss zwischen den beiden Elektroden stattfinden, und der durch die Spannung induzierte Stromfluss zwischen den beiden Elektroden fällt ab. Dadurch kann die Steuerung einen Leerstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter erfassen.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts ist die zweite Elektrode in der zweiten Position des verschiebbaren Schließkörpers an der Öffnung angeordnet, um in der zweiten Position des verschiebbaren Schließkörpers mit dem Behälterinnenraum in Kontakt zu stehen.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.
Dadurch wird der technische Vorteil erreicht, dass durch die Positionierung der zweiten Elektrode an der Öffnung in dem entnehmbaren Vorratsbehälter sichergestellt wird, dass wenn Flüssigkeit aus dem entnehmbaren Vorratsbehälter durch die Öffnung und durch die Flüssigkeitskupplung der Dosiereinrichtung zugeführt wird, die zweite Elektrode mit der Flüssigkeit in Kontakt steht. Dadurch steht die zweite Elektrode bei einer mit dem entnehmbaren Vorratsbehälter fluidtechnisch verbundenen Flüssigkeitskupplung elektrisch leitend mit der Flüssigkeit in Kontakt und die Steuerung kann anhand einer Änderung des durch die Spannung induzierten Stromflusses einen Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter erfassen.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts ist die erste Elektrode an einer Außenseite oder an einer Oberseite der Flüssigkeitskupplung angeordnet, um in der zweiten Position des verschiebbaren Schließkörpers mit dem Behälterinnenraum in Kontakt zu stehen.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.
Dadurch wird der technische Vorteil erreicht, dass durch die Positionierung der ersten Elektrode an der Außenseite oder an der Oberseite der Flüssigkeitskupplung sichergestellt wird, dass die erste Elektrode in der zweiten Position des verschiebbaren Schließkörpers wirksam mit dem Behälterinnenraum in Kontakt steht. Hierdurch kann sichergestellt werden, dass durch die an der Außenseite oder an der Oberseite der Flüssigkeitskupplung angeordnete erste Elektrode bei einem ausreichenden Füllstand von Flüssigkeit in dem entnehmbaren Vorratsbehälter ein wirksamer Stromfluss durch die Flüssigkeit ermöglicht wird.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts weist der entnehmbare Vorratsbehälter eine weitere Öffnung auf, wobei die weitere Öffnung durch den verschiebbaren Schließkörper in der ersten Position verschließbar und in der zweiten Position freigebbar ist, und wobei die erste Elektrode in der zweiten Position an der weiteren Öffnung angeordnet ist.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.
Dadurch wird der technische Vorteil erreicht, dass durch die Positionierung der ersten Elektrode an der weiteren Öffnung des entnehmbaren Vorratsbehälters sichergestellt wird, dass die erste Elektrode in der zweiten Position des verschiebbaren Schließkörpers wirksam mit dem Behälterinnenraum in Kontakt steht. Durch die an der weiteren Öffnung angeordnete erste Elektrode kann die Steuerung durch eine Änderung des Stromflusses durch die erste und zweite Elektrode den Füllstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter erfassen.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts weist die erste Elektrode einen Aufnahmebereich auf, welcher in der Flüssigkeitskupplung aufgenommen ist, und weist die erste Elektrode einen Leitungsabschnitt auf, wobei der Leitungsabschnitt in der zweiten Position des verschiebbaren Schließkörpers an der weiteren Öffnung angeordnet ist.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.
Dadurch wird der technische Vorteil erreicht, dass die erste Elektrode mittels des Aufnahmebereichs an der Flüssigkeitskupplung befestigt werden kann. Bei der Positionierung der ersten Elektrode an der weiteren Öffnung wird nur der Leitungsabschnitt der ersten Elektrode in der zweiten Position des verschiebbaren Schließkörpers an der weiteren Öffnung angeordnet, wodurch nicht die gesamte erste Elektrode mit dem Behälterinnenraum, bzw. der Flüssigkeit in dem Behälterinnenraum, in Kontakt steht.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts weist die Flüssigkeitskupplung einen Flüssigkeitskanal auf, wobei der Flüssigkeitskanal an einem dem entnehmbaren Vorratsbehälter zugewandten Ende eine Kanalöffnung aufweist, wobei die Kanalöffnung in der zweiten Position des verschiebbaren Schließkörpers mit der Öffnung des entnehmbaren Vorratsbehälters fluidtechnisch in Kontakt steht, um Flüssigkeit aus dem entnehmbaren Vorratsbehälter durch die Öffnung, durch die Kanalöffnung und durch den Flüssigkeitskanal der Dosiereinrichtung des Wäschepflegegeräts zuzuführen.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.
Dadurch wird der technische Vorteil erreicht, dass durch den Flüssigkeitskanal der Flüssigkeitskupplung ein wirksames fluidtechnisches Leiten der Flüssigkeit aus dem entnehmbaren Vorratsbehälter durch die Öffnung und durch die Kanalöffnung in den Flüssigkeitskanal ermöglicht wird, und die Flüssigkeit durch den Flüssigkanal der Dosiereinrichtung des Wäschepflegegeräts wirksam zugeführt werden kann.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts ist die zweite Elektrode zumindest abschnittsweise an dem Flüssigkeitskanal angeordnet, um mit durch den Flüssigkeitskanal geleiteter Flüssigkeit in Kontakt zu stehen.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.
Dadurch wird der technische Vorteil erreicht, dass durch die zumindest abschnittsweise an dem Flüssigkeitskanal angeordnete zweite Elektrode zumindest ein Teil der zweiten Elektrode mit Flüssigkeit in Kontakt steht, wenn die Flüssigkeit durch den Flüssigkeitskanal geleitet wird. Dadurch steht die zweite Elektrode mit der Flüssigkeit in dem Flüssigkeitskanal in einem wirksamen elektrisch leitenden Kontakt.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts umfasst der verschiebbare Schließkörper eine Schließfeder, wobei die Schließfeder in der zweiten Position mit einer Federkraft gegen den verschiebbaren Schließkörper anpressbar ist, und wobei der verschiebbare Schließkörper von der zweiten Position in die erste Position durch Entspannen der Schließfeder verschiebbar ist.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 ,
Dadurch wird der technische Vorteil erreicht, dass durch den verschiebbaren Schließkörper ein wirksames Verschließen des Behälterinnenraums des entnehmbaren Vorratsbehälters ermöglicht wird. Wenn die Flüssigkeitskupplung von dem entnehmbaren Vorratsbehälter entfernt wird, entspannt sich die Schließfeder und verschiebt den verschiebbaren Schließkörper von der zweiten Position in die erste Position. Dadurch wird bei einem Entfernen der Flüssigkeitskupplung ein wirksames Verschließen des entnehmbaren Vorratsbehälters ermöglicht.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts weist die Flüssigkeitskupplung an einem dem entnehmbaren Vorratsbehälter abgewandten Ende einen Anschlussstutzen auf, wobei der Anschlussstutzen in einen Aufnahmeabschnitt der Dosiereinrichtung des Wäschepflegegeräts einführbar ist, um eine fluiddichte fluidtechnische Verbindung zwischen der Flüssigkeitskupplung und der Dosiereinrichtung bereitzustellen.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.
Dadurch wird der technische Vorteil erreicht, dass durch den Anschlussstutzen eine wirksame fluidtechnische Verbindung zwischen der Flüssigkeitskupplung und der Dosiereinrichtung ermöglicht wird.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts ist der verschiebbare Schließkörper in einem Hohlraum des entnehmbaren Vorratsbehälters angeordnet, wobei die Flüssigkeitskupplung in den Hohlraum einführbar ist, und wobei die Öffnung oder die weitere Öffnung in einer Hohlraumwand des Hohlraums angeordnet ist.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.
Dadurch wird der technische Vorteil erreicht, dass durch den Hohlraum ein wirksames fluidtechnisches Verbinden der Flüssigkeitskupplung mit dem entnehmbaren Vorratsbehälter ermöglicht wird. Die Flüssigkeitskupplung kann in den Hohlraum eingeführt werden, wodurch der sich in dem Hohlraum befindende verschiebbare Schließkörper von der ersten Position in die zweite Position verschoben wird. Dadurch wird die in der ersten Position von dem verschiebbaren Schließkörper verschlossene Öffnung in der Hohlraumwand freigegeben und Flüssigkeit kann durch die Öffnung und durch die in den Hohlraum eingeführte Flüssigkeitskupplung geführt werden.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts ist die Flüssigkeitskupplung durch eine Hohlraumöffnung, insbesondere durch eine runde Hohlraumöffnung, in den Hohlraum einführbar.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.
Dadurch wird der technische Vorteil erreicht, dass die Flüssigkeitskupplung durch die Hohlraumöffnung wirksam in den Hohlraum eingeführt werden kann. Dadurch kann eine wirksame Verbindung zwischen dem entnehmbaren Vorratsbehälter und der Flüssigkeitskupplung hergestellt werden, um eine Zuleitung von Flüssigkeit durch die Flüssigkeitskupplung vorteilhaft durchzuführen.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts weist die Flüssigkeitskupplung ein Dichtungselement oder weist der verschiebbare Schließkörper ein weiteres Dichtungselement zum flüssigkeitsdichten Abschließen des Hohlraums auf.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.
Dadurch wird der technische Vorteil erreicht, dass durch die Verwendung eines Dichtungselements an dem verschiebbaren Schließkörper oder an der Flüssigkeitskupplung der Hohlraum flüssigkeitsdicht abgeschlossen werden kann. Dadurch kann ein Austreten von Flüssigkeit während des Zuleitens von Flüssigkeit aus dem entnehmbaren Vorratsbehälter in die Dosiereinrichtung verhindert werden.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts ist der Hohlraum an einer Unterseite des entnehmbaren Vorratsbehälters angeordnet.In a further advantageous embodiment of the laundry care device, the cavity is arranged on an underside of the removable storage container.
Dadurch wird der technische Vorteil erreicht, dass durch die Anordnung des Hohlraums an der Unterseite des entnehmbaren Vorratsbehälters sichergestellt wird, dass die Flüssigkeitskupplung ebenfalls an der Unterseite des entnehmbaren Vorratsbehälters in den Hohlraum eingeführt wird. Durch kann eine wirksame Füllstanderfassung der Flüssigkeit in dem entnehmbaren Vorratsbehälter an der Unterseite des entnehmbaren Vorratsbehälters erfolgen, wodurch eine besonders wirksame Leerstanderfassung in dem entnehmbaren Vorratsbehälter ermöglicht wird.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 einer weiteren vorteilhaften Ausführungsform des Wäschepflegegeräts weist das Wäschepflegegerät ein Anzeigeelement zum Anzeigen eines Warnsignals auf, wenn die Steuerung erfasst, dass der Flüssigkeitstand der Flüssigkeit in dem entnehmbaren Vorratsbehälter einen vorbestimmten Flüssigkeitsschwellwert unterschreitet.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.
Dadurch wird der technische Vorteil erreicht, dass der Nutzer durch das Anzeigeelement auf eine zu geringe Menge von Flüssigkeit in dem entnehmbaren Vorratsbehälter hingewiesen werden kann. Dadurch kann der Nutzer des Wäschepflegegeräts weitere Flüssigkeit in den entnehmbaren Vorratsbehälter nachfüllen oder ein Wäschepflegeprogramm des Wäschepflegegeräts stoppen, wodurch ein Trockenlaufen des Wäschepflegegeräts verhindert werden kann.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.
Weitere Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben.Further exemplary embodiments of the invention are shown in the drawings and are described in more detail below.
Es zeigen:
- 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.
- 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.
Um eine flüssigkeitsdichte Verbindung zwischen der Flüssigkeitskupplung 105 und dem entnehmbaren Vorratsbehälter sicherzustellen ist an der Flüssigkeitskupplung 105 ein Dichtungselement 113, insbesondere ein umlaufender Dichtungsring, angeordnet.In order to ensure a fluid-tight connection between the
Die Flüssigkeitskupplung 105 weist ferner eine erste Elektrode 115 und eine zweite Elektrode 117 auf, welche innerhalb der Flüssigkeitskupplung 105 angeordnet sind und mit einer elektrischen Stromquelle und einer Steuerung verbunden werden können. Die elektrische Stromquelle und die Steuerung sind in
Wie aus der
Durch den Verschluss der ersten Öffnung 131 und der weiteren Öffnung 133 durch den verschiebbaren Schließkörper 137 wird ein unkontrolliertes Austreten der Flüssigkeit aus dem Behälterinnenraum 125 des entnehmbaren Vorratsbehälters 119 verhindert.The closure of the
Wie in
Die erste Elektrode 115 weist einen Aufnahmebereich 149 auf, welcher in der Flüssigkeitskupplung 105 aufgenommen ist, und weist einen Leitungsabschnitt 151 auf, welcher in der zweiten Position des verschiebbaren Schließkörpers 137 an der weiteren Öffnung 133 angeordnet ist. Somit steht die erste Elektrode 115, insbesondere der Leitungsabschnitt 151 der ersten Elektrode 115, mit der Flüssigkeit 135 in dem Behälterinnenraum 125 in Kontakt.The
Die zweite Elektrode 117 ist innerhalb der Flüssigkeitskupplung 105 zumindest abschnittsweise an dem Flüssigkeitskanal 111 angeordnet und steht mit der durch die Öffnung 131 in den Flüssigkeitskanal 111 geleiteten Flüssigkeit 135 in Kontakt.The
Wie in
Wenn die Flüssigkeit 135 durch den Flüssigkeitskanal 111 der Flüssigkeitskupplung 105 aus dem Behälterinnenraum 125 ausgeleitet wird, sinkt der Flüssigkeitspegel in dem Behälterinnenraum 125 ab, wodurch die an der weiteren Öffnung 133 angeordnete erste Elektrode 115 mit Luft in Berührung kommt. Aufgrund der elektrisch nicht leitenden Eigenschaften der Luft, welche mit der ersten Elektrode 115 in Kontakt steht, wird der Stromfluss zwischen der ersten Elektrode 115 und der zweiten Elektrode 117 unterbrochen. Die mit der ersten und zweiten Elektrode 115, 117 verbundene Steuerung kann hierbei ein Abfall des Stromflusses zwischen der ersten Elektrode 115 und der zweiten Elektrode 117 erfassen. Dadurch kann die Steuerung ein Absinken des Füllstands der Flüssigkeit in dem Behälterinnenraum 125 erfassen und den Nutzer des Wäschepflegegeräts 100 auf einen Leerstand der Flüssigkeit 135 in dem entnehmbaren Vorratsbehälter 119 hinweisen.When the liquid 135 is discharged through the
Somit wird durch die Flüssigkeitskupplung 105 eine mechanische und hydraulische Verbindung zwischen dem entnehmbaren Vorratsbehälter 119 und der Dosiereinrichtung bereitgestellt. Durch die in der Flüssigkeitskupplung 105 integrierte erste und zweite Elektrode 115, 117 kann zudem eine elektrische Verbindung zwischen dem entnehmbaren Vorratsbehälter 119 und der Dosiereinrichtung bereitgestellt werden. Hierbei schließt die sich in dem entnehmbaren Vorratsbehälter 119 befindende Flüssigkeit 135 den elektrischen Stromkreis zwischen der ersten und zweiten Elektrode 115, 117. Dadurch kann die Zugänglich der Flüssigkeit 135 sowie der Füllstand der Flüssigkeit 135 in dem entnehmbaren Vorratsbehälter 119 mit einer einzigen Flüssigkeitskupplung 105 realisiert werden. Dadurch kann ein zusätzliches elektrisches System zur Erkennung des Füllstands der Flüssigkeit 135 in dem entnehmbaren Vorratsbehälter 119 eingespart werden. Zudem müssen keine spannungsführenden Komponenten an dem entnehmbaren Vorratsbehälter 119 angebracht werden. Ferner muss keine galvanische Trennung sichergestellt werden, wodurch Kosten reduziert werden können.The
Alle in Verbindung mit einzelnen Ausführungsformen der Erfindung erläuterten und gezeigten Merkmale können in unterschiedlicher Kombination in dem erfindungsgemäßen Gegenstand vorgesehen sein, um gleichzeitig deren vorteilhafte Wirkungen zu realisieren.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.
Der Schutzbereich der vorliegenden Erfindung ist durch die Ansprüche gegeben und wird durch die in der Beschreibung erläuterten oder den Zeichnungen gezeigten Merkmale nicht beschränkt.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.
- 100100
- WäschepflegegerätLaundry care device
- 101101
- Bevorratungsbehälterstorage container
- 103103
- Türdoor
- 105105
- Flüssigkeitskupplungfluid coupling
- 107107
- KupplungsstirnseiteClutch front side
- 109109
- Anschlussstutzenspigot
- 111111
- Flüssigkeitskanalliquid channel
- 113113
- Dichtungselementsealing element
- 115115
- Erste ElektrodeFirst electrode
- 117117
- Zweite ElektrodeSecond electrode
- 119119
- Entnehmbarer VorratsbehälterRemovable storage container
- 121121
- VorratsbehälterwandReservoir wall
- 123123
- VorratsbehälterbodenReservoir bottom
- 125125
- BehälterinnenraumContainer interior
- 127127
- Hohlraumcavity
- 129129
- Hohlraumwandcavity wall
- 131131
- Öffnungopening
- 133133
- Weitere ÖffnungFurther opening
- 135135
- Flüssigkeitliquid
- 137137
- Verschiebbarer SchließkörperSliding closing body
- 139139
- Weiteres DichtungselementAnother sealing element
- 141141
- Schließfederclosing spring
- 143143
- Hohlraumöffnungcavity opening
- 145145
- Außenbereichoutdoors
- 147147
- Einführrichtunginsertion
- 149149
- Aufnahmeabschnittreceiving portion
- 151151
- Leitungsabschnittline section
Claims (13)
- 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. - 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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.
- 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).
- 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).
- 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).
- 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).
- 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.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016206520.3A DE102016206520A1 (en) | 2016-04-19 | 2016-04-19 | Laundry care device with a fluid coupling |
PCT/EP2017/057205 WO2017182234A1 (en) | 2016-04-19 | 2017-03-27 | Laundry care appliance with a liquid coupling |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3445905A1 EP3445905A1 (en) | 2019-02-27 |
EP3445905B1 true EP3445905B1 (en) | 2020-01-29 |
Family
ID=58413119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17713666.0A Active EP3445905B1 (en) | 2016-04-19 | 2017-03-27 | Laundry care appliance with a liquid coupling |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3445905B1 (en) |
CN (1) | CN109072533B (en) |
DE (1) | DE102016206520A1 (en) |
WO (1) | WO2017182234A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102545808B1 (en) * | 2018-07-24 | 2023-06-21 | 삼성전자주식회사 | Washing machine and method for controlling thereof |
CN111118864B (en) * | 2018-10-30 | 2022-04-22 | 无锡小天鹅电器有限公司 | Liquid storage box for clothes treatment device and clothes treatment device |
DE102020200698A1 (en) | 2020-01-22 | 2021-07-22 | BSH Hausgeräte GmbH | Water-bearing household appliance with a storage container for a treatment agent |
DE102020200697A1 (en) | 2020-01-22 | 2021-07-22 | BSH Hausgeräte GmbH | Water-bearing household appliance with a storage container for a treatment agent |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004045446A1 (en) * | 2004-09-18 | 2006-03-23 | Premark Feg L.L.C., Wilmington | Dishwasher with at least one supply device for providing a Spülzusatzes |
DE102009027875A1 (en) * | 2009-07-21 | 2011-01-27 | BSH Bosch und Siemens Hausgeräte GmbH | Water-conducting household appliance |
DE102009028066A1 (en) * | 2009-07-29 | 2011-02-03 | BSH Bosch und Siemens Hausgeräte GmbH | Automatically controlled washing machine with level indicator for laundry treatment |
US9340918B2 (en) | 2009-12-03 | 2016-05-17 | Haier Group Corporation | Washing machine for auto-added washing agent by negative pressure and controlling method thereof |
DE102013103025A1 (en) * | 2013-03-25 | 2014-09-25 | Miele & Cie. Kg | Reservoir and metering device |
DE102014220354B4 (en) * | 2014-10-08 | 2020-08-06 | BSH Hausgeräte GmbH | Household appliance with a removable storage container |
CN204919107U (en) * | 2015-07-04 | 2015-12-30 | 杭州神林电子有限公司 | Device is put in in detergent storage that detects function that has that drum type washing machine used |
-
2016
- 2016-04-19 DE DE102016206520.3A patent/DE102016206520A1/en not_active Withdrawn
-
2017
- 2017-03-27 EP EP17713666.0A patent/EP3445905B1/en active Active
- 2017-03-27 CN CN201780023917.5A patent/CN109072533B/en active Active
- 2017-03-27 WO PCT/EP2017/057205 patent/WO2017182234A1/en active Application Filing
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
EP3445905A1 (en) | 2019-02-27 |
CN109072533B (en) | 2021-01-01 |
DE102016206520A1 (en) | 2017-10-19 |
CN109072533A (en) | 2018-12-21 |
WO2017182234A1 (en) | 2017-10-26 |
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