EP3320823B1 - Dishwasher and method for operating a dishwasher - Google Patents

Description

The present invention relates to a dishwasher and a method for operating a dishwasher.

Dishwashers, in particular household dishwashers, have a washing compartment which can be closed by a door and in which a washware receptacle is arranged. To improve operation, these have various electrically operated devices, such as an operating element or a sensor unit, which are arranged on the washware receptacle. The question then arises as to how the electrical energy required to operate these devices can be provided.

the EP 2 374 398 A2 discloses a possibility of providing information about an operating state or a washing program to a user of a dishwasher by means of at least one display on a crockery basket. This has the advantage that the user can easily read the display even when the door is open and the crockery basket is pulled out. The required electrical energy is provided by a battery, for example.

the DE 10 2010 015 849 B3 discloses a dishwasher having a lighting device attached to one of the crockery baskets to improve operation. The lighting device is fed by a rechargeable energy store, which is charged by a non-contact charging device.

the DE 10 2014 100 799 A1 discloses a dishwasher with electrical power consuming system components which are fed by a storage battery. The accumulator is arranged, for example, on a washware receptacle and is charged when the washware receptacle is in the working position. For this purpose, an electrically conductive cable connection is established when the washware receptacle is brought into the working position.

the DE 10 2011 122897 A1 discloses a dishwasher with a washing container which can be closed by a door and a component which is movably mounted on the washing container and which comprises a light source. The light source can be supplied with electrical energy inductively.

Against this background, it is an object of the invention to create an improved possibility of supplying electrical energy to an electrical consumer that is arranged on a displaceable washware receptacle of a dishwasher.

According to a first aspect, a dishwasher, in particular a household dishwasher, with a washing container that can be closed by a door is proposed. A washware receptacle with a user interface is displaceably arranged in the wash container. The washware receptacle can be displaced between a starting position and an end position. A transmitting unit is arranged on an inside of the door, which is set up for the inductive transmission of electrical energy to a receiving unit coupled to the user interface. The transmitter unit on the inside of the door and the receiver unit on the washware receptacle are arranged relative to one another in such a way that the electrical energy can be transmitted from the transmitter unit to the receiver unit when the door is in a closed position and the washware receptacle is in the starting position and with on a user interface is arranged on the washware receptacle, which is electrically and / or mechanically coupled to the receiving unit.

This advantageously makes it possible to supply a user interface arranged according to the invention on the washware receptacle with electrical energy without the need for a cable, for example.

The displaceable washware receptacle can be pulled out of the washing container and / or pushed into it, for example by means of rails. This enables, in particular, convenient loading and unloading of the wash ware receptacle with wash ware. The washware receptacle can also be completely removed from the wash container, for example, to enable maintenance work inside the wash container. Since the user interface is supplied inductively with electrical energy, other, failure-prone ways of providing electrical energy, such as a plug connection, can be dispensed with. An inductive transmission also allows the energy to be transmitted without Realize open, live contacts, which improves the operational safety and reliability of the dishwasher.

A user interface is, for example, a display which is used to display information relevant to the operation, such as an operating status of the dishwasher, is set up. The user interface can also include control elements such as buttons, switches and / or toggles, as well as sensors which, for example, detect a user input and / or user action. An example of this is setting a washing program and / or pulling out / pushing in the washware receptacle from / into the washing compartment. The user interface is operated in particular with electrical energy, the electrical energy in the present case being transmitted from the transmitting unit to the receiving unit by means of inductive transmission and being made available to the user interface by the receiving unit.

The washware receptacle can be displaced between a starting position and an end position. The starting position is in particular a position in the washing compartment in which the washware receptacle is located when the dishwasher is being operated to wash washware. The end position is in particular a position outside the washing compartment in which the washware receptacle is loaded and / or unloaded with washware, for example. The washware receptacle can be shifted from the starting position to the end position, for example, along a rail. It is also possible for the washware receptacle to be fixed to a lifting device which is set up to move the washware receptacle into the end position, the end position being a position that is higher than the starting position. Such an elevated position enables a user to use the dishwasher more comfortably, in particular loading and / or unloading the washware receptacle with washware.

The transmission unit is designed, for example, as a transmission coil which generates a magnetic field when current flows through it. The transmitter coil can also be referred to as the first coil. The transmitter unit is advantageously arranged on the inside of the door and can be supplied with power via a power cable. This arrangement has the advantage that there are no objects interfering with the magnetic field, such as, for example, a stainless steel sheet, on the side of the transmission unit facing the washing compartment. This means that there is no artificial damping of the magnetic field, which improves the efficiency of the inductive energy transmission.

The receiving unit is designed, for example, as a receiving coil in which an electric current can be induced by means of a magnetic field. The receiving coil can also be referred to as a second coil. The receiving unit is advantageously arranged on the front of the washware receptacle, so that the transmitting unit and the receiving unit are directly opposite each other when the door is closed and the washware receptacle is in the starting position. In an advantageous manner, a distance between the transmitting unit and the receiving unit is comparatively small in this position, advantageously less than 10 mm, preferably less than 5 mm.

The transmitting unit and the receiving unit are advantageously each arranged in a fluid-tight housing made of plastic, at least on the side facing the respective other unit. This increases the reliability of the inductive energy transmission and enables high efficiency.

According to one embodiment of the dishwasher, a first data transmission device assigned to the user interface and a second data transmission device for the wireless transmission of data are provided.

The first and the second data transmission device are set up, for example, to transmit data by means of electromagnetic waves. Examples of this are infrared, radio, Bluetooth, WLAN, visible light wavelengths and the like.

The second data transmission device can be arranged in the washing compartment on an inside or also on the inside of the door. As an alternative to this, it is possible for the second data transmission device to be arranged outside the washing compartment. Furthermore, several second data transmission devices can also be provided; in particular, data transmission with a device that is independent of the dishwasher, such as a smartphone, is conceivable.

The first and / or the second data transmission device can also be an integral part of the transmitting or receiving unit. In particular, the transmitting or receiving coil can be used as an antenna for data transmission.

The data transmission can be provided both unidirectionally and bidirectionally. For example, it is possible for the first data transmission device to transmit sensor data from the user interface to the second data transmission device.

On the other hand, it can also be provided that the second data transmission device transmits operating parameters to the first data transmission device.

The first data transmission device is supplied with electrical energy from the receiving device.

According to a further embodiment of the dishwasher, the user interface comprises a display device for displaying at least one operating parameter of the dishwasher, an operating device for operating the washware receptacle and / or the dishwasher and / or a sensor for detecting at least one operating parameter of the dishwasher.

A display device comprises, for example, one or more light-emitting diodes and / or a liquid crystal display. An operating device comprises, for example, one or more sensors and / or operating elements, such as buttons, switches and / or rotary knobs. A touch-sensitive display (touch screen) can also be provided, which combines the functions of the display device and the operating device. Such an operating device enables a user to set a specific dishwasher program, for example.

By arranging the operating device on the wash ware receptacle, an operating device for operating the dishwasher, which is arranged on an outside of the door, can advantageously be omitted.

The user interface can also include one or more sensors. For example, the user interface has a force sensor that detects a force that acts, for example, on a handle on the washware receptacle. Depending on the force detected, a lifting device that supports the displacement of the washware receptacle can be activated, for example. Furthermore, a sensor can be provided which detects an opening position of the door, for example a proximity sensor.

The advantage of a display device and / or operating device arranged on the wash ware receptacle arises, for example, when loading and / or unloading the wash ware receptacle with wash ware, since the door of the dishwasher is then open Position is. Its outside faces downwards, for example, where it cannot be seen by a user. Therefore, a user cannot see or operate a display device and / or operating device arranged on the front of the door. Even a display device and / or operating device arranged on an upper side of the door can only be read or operated with great difficulty when the door is in the open position. A display device and / or operating device arranged on the washware receptacle then enables convenient viewing of the display device and / or convenient operation of the operating device.

The display device is set up in particular to display operating parameters and / or operating states of the dishwasher. This information is advantageously transmitted wirelessly from a second data transmission device to a first data transmission device assigned to the display device. Operating parameters of the dishwasher include, for example, a set dishwashing program, a level of consumables, such as rinse aid, softening salt and / or dishwashing detergent, or other information, such as a load status of the washware receptacle.

User inputs acquired by the operating device and / or sensor data acquired by sensors are advantageously transmitted to the second data transmission device by means of the first data transmission device. This makes it possible to evaluate the captured user inputs and / or sensor data for operating the dishwasher, for example to start a specific washing program and / or to control a lifting device.

According to a further embodiment of the dishwasher, it has a functional unit that penetrates the inside of the door and is arranged on the door, the transmitting unit being coupled to the functional unit.

The door of a dishwasher comprises, for example, an outer cladding, a heat and sound-insulating space and an inner wall, which can in particular be designed as a stainless steel wall. The inner wall is also referred to as the inner door.

A functional unit penetrating the inside door is therefore a unit which protrudes from the outside, for example from the space, through the inside door into the washing compartment. An example of this would be an addition device and / or an ion generator.

Since the transmitter unit is coupled to the functional unit penetrating the inside of the door, the transmitter unit can be arranged particularly easily on the inside of the door in such a way that a wall shielding the inductive energy transmission or an interfering object is excluded. A high efficiency of the inductive energy transmission can thus be guaranteed.

According to a further embodiment of the dishwasher, the functional unit penetrating the inside of the door has an adding device, the transmitting unit being coupled to the adding device.

This embodiment advantageously makes it possible to accommodate the adding device and the transmitting unit in just one component. This makes it possible to reduce manufacturing costs and to simplify assembly of the dishwasher.

The adding device is designed in particular for adding detergent, rinse aid and / or other chemically active substances to the washing compartment during a washing process. For this purpose, the adding device comprises, for example, different containers for a respective chemical.

According to a further embodiment of the dishwasher, it also has a lifting device with an electric drive device. This is set up to move the washware receptacle between the starting position and the end position by means of a movement of the washware receptacle. The user interface is arranged in a handle of the washware receptacle and includes a force sensor. The force sensor is set up to detect a force acting on the handle. The first data transmission device is set up to transmit the force detected by the force sensor to the second data transmission device. The second data transmission device is assigned to a control unit which is set up to control the electric drive device for moving the washware receptacle as a function of the detected force with a movement property.

Such a lifting device enables particularly convenient operation of the dishwasher. Due to the arrangement of the force sensor in the handle, the force exerted by a user on the washware receptacle is precisely recorded. This enables very precise support for the user when lifting and / or lowering the washware receptacle. In particular, this prevents the lifting device from being triggered incorrectly, for example due to an incorrectly determined force.

The electric drive device is, for example, an electric motor. The electric motor can, for example, raise, lower, extend, retract and / or pivot the washware receptacle.

The control unit is designed, for example, as an integrated circuit. In particular, the control unit is suitable for evaluating the data received from the second data transmission device and for controlling the electric drive device with a movement property. The movement property includes, for example, a lifting speed when the washware receptacle is raised or lowered, a height of the starting position and / or a height of the end position.

In addition, the control unit can monitor and / or control further functions of the dishwasher. This includes, in particular, the execution of a washing program with different program cycles such as a pre-wash cycle, a main wash cycle, a final-rinse cycle and / or a drying cycle.

According to a further embodiment of the dishwasher, the control unit has a memory unit assigned to it. The storage unit is set up to store a plurality of different movement properties, the movement property including a lifting speed when the washware receptacle is raised or lowered, a height of the starting position and / or a height of the end position. The control unit is set up to select the movement property for controlling the electric drive unit from the plurality of stored movement properties as a function of the detected force.

The memory unit is constructed in particular as an integrated circuit. For example, various different movement properties can be stored at the factory.

For example, a user pulls the handle very forcefully. Then the force sensor detects a very large force. This is transmitted from the first data transmission device to the second data transmission device and evaluated by the control unit. In the case of a very large force, the control unit selects, for example, a very high lifting speed as the movement property.

If the washware receptacle is, for example, at a height corresponding to 80% of a maximum height, the user lets go, so that the force detected is only small. Then the control unit selects, for example, a low lifting speed as the movement property. This slows down the lifting of the washware receptacle so that the user can control the height well.

As soon as the user lets go of the handle, the movement by the electric drive unit is also stopped. In this way, incorrectly triggered movements, such as those that can occur, for example, with buttons for triggering raising and / or lowering, are excluded.

The memory unit also enables each user to save a preferred height and / or preferred lifting speed as a function of the force detected.

According to a further embodiment of the dishwasher, an energy storage unit assigned to the receiving unit is provided, which is set up to store the energy transmitted from the transmitting unit to the receiving unit when the door is closed and to supply the user interface with the stored energy.

The energy storage unit includes, for example, a capacitor and / or an accumulator.

This makes it possible to operate the user interface for a certain period of time even without a current inductive energy transmission. In particular, when the door is in the open position, the user interface and all of the units assigned to it can be supplied with energy.

According to a further embodiment of the dishwasher, it comprises a sensor device for detecting a loading property of the washware receptacle. In particular, the second data transmission device is assigned to the sensor device and is set up to transmit the detected loading property to the first data transmission device. Furthermore, the user interface is designed as a display device and is set up to output the loading property received from the first data transmission device.

A loading property is, for example, the weight of the wash ware arranged in the wash ware receptacle. A user can thus be warned if, for example, he loads a washware receptacle too much, which means that damage to an electrical drive device, for example, can be excluded. An uneven loading of two existing washware receptacles can also be displayed, so that a user can rearrange the washware. This ensures effective operation of the dishwasher.

According to a further embodiment of the dishwasher, the user interface has an input device which is set up to record user inputs. The first data transmission device is then set up to transmit the captured user inputs to the second data transmission device.

According to a further embodiment of the dishwasher, the transmission unit has a coupling unit which is set up to determine a coupling state of the transmission unit with the receiving unit and to activate an inductive energy transmission as a function of the determined coupling state.

Such an embodiment has the advantage that the transmitting unit is only activated when there is a coupling state with the receiving unit. Thus becomes a potentially dangerous generation of magnetic fields avoided. In addition, power transmission efficiency can be improved.

According to a second aspect, a method for operating a dishwasher, in particular a household dishwasher, is proposed. The dishwasher has a washing compartment that can be closed by a door and a washware receptacle which is arranged displaceably in the washing compartment. A user interface is arranged on the washware receptacle, the washware receptacle being able to be displaced between a starting position and an end position. The method comprises inductive transmission of electrical energy from a transmitting unit arranged on an inside of the door to a receiving unit arranged on the washware receptacle when the door is in a closed position and the washware receptacle is in the starting position.

This method makes it possible in particular to operate a dishwasher according to one of the embodiments according to the first aspect.

Further possible implementations of the invention also include combinations, not explicitly mentioned, of features or embodiments described above or below with regard to the exemplary embodiments. The person skilled in the art will also add individual aspects as improvements or additions to the respective basic form of the invention.

Fig. 1

zeigt eine Perspektivansicht eines ersten Ausführungsbeispiels einer Geschirrspülmaschine;

Fig. 2A

zeigt eine schematische Ansicht eines zweiten Ausführungsbeispiels einer Geschirrspülmaschine in einer geöffneten Position mit einer Spülgutaufnahme in einer Endposition;

Fig. 2B

zeigt eine schematische Ansicht des zweiten Ausführungsbeispiels der Geschirrspülmaschine in einer geschlossenen Position mit der Spülgutaufnahme in einer Ausgangsposition;

Fig. 3A

zeigt einen Ausschnitt eines Ausführungsbeispiels einer Spülgutaufnahme mit einem Handgriff;

Fig. 3B

zeigt einen Ausschnitt eines Ausführungsbeispiels einer Tür mit einer Zugabevorrichtung in einer geschlossenen Position; und

Fig. 4

zeigt ein Ausführungsbeispiel eines Verfahrens zum Betreiben einer Geschirrspülmaschine.

Further advantageous configurations and aspects of the invention are the subject matter of the subclaims and of the exemplary embodiments of the invention described below. The invention is explained in more detail below on the basis of preferred embodiments with reference to the attached figures.

Fig. 1

shows a perspective view of a first embodiment of a dishwasher;

Figure 2A

shows a schematic view of a second exemplary embodiment of a dishwasher in an open position with a washware receptacle in an end position;

Figure 2B

shows a schematic view of the second exemplary embodiment of the dishwasher in a closed position with the washware receptacle in an initial position;

Figure 3A

shows a detail of an embodiment of a wash ware holder with a handle;

Figure 3B

shows a section of an embodiment of a door with an adding device in a closed position; and

Fig. 4

shows an embodiment of a method for operating a dishwasher.

In the figures, elements that are the same or have the same function have been provided with the same reference symbols, unless otherwise stated.

In Fig. 1 a perspective view of a first embodiment of a dishwasher 1 is shown. The dishwasher 1 has a body comprising a washing container 2 and a door 3. The washing compartment 2 and the door 3 form a washing chamber 4 for washing items to be washed. Door 3 is in Fig. 1 shown in their open position. The door 3 can be closed or opened by pivoting about a pivot axis S provided at a lower end of the door 3.

The washing container 2 is, for example, cuboid and can comprise a floor 5, a ceiling 6 opposite the floor 5, a rear wall 7 opposite the door 3, and two opposite side walls 8, 9. In particular, the side walls 8, 9 can be made of stainless steel sheet.

The dishwasher 1 also has at least one washware receptacle 10. In particular, several washware receptacles 10 can be provided, which can comprise a lower basket, an upper basket and / or a cutlery drawer. The multiple washware receptacles 10 are preferably arranged one above the other in the wash container 2. Each washware receptacle 10 is optionally in an insertion direction 12 in the Rinse container 2 into a starting position A (see Figure 2B ) or in a pull-out direction 13 out of this into an end position E (see Figure 2A ) relocatable. In the example, the Fig.1 a rail 11 is provided on both sides of a respective washware receptacle 10.

The lower washware receptacle 10 has a user interface 100 on its front side and a receiving unit 112 coupled to the user interface 100. The receiving unit 112 is set up to receive electrical energy and to provide electrical energy to the user interface 100.

A transmitting unit 110 provided on the door 3 of the dishwasher 1 is set up to inductively transmit electrical energy to the receiving unit 112 when the door 3 is in the closed state and the lower washware receptacle 10 is in the starting position A (see FIG Figure 2B ) is.

The dishwasher 1 can be, for example, a free-standing, an integrated or a fully integrated dishwasher 1.

Figure 2A shows a schematic view of a second exemplary embodiment of a dishwasher 1 with the door 3 open with the washware receptacle 10 in the end position E. The dishwasher 1 in particular has a lifting device 15 which can be operated by means of two electric drive devices 16. The lifting device 15 is set up to move the washware receptacle 10 from the starting position A (see FIG Figure 2B ) in the in the Figure 2A to lift the illustrated end position E to the front and top.

The washware receptacle 10 has a receiving unit 112 on its front side. The receiving unit 112 has an energy storage unit 116. The washware receptacle 10 also has a handle 14 on which a display device 104 and a force sensor 114 are arranged. Overall, the handle 14 with the display device 104 and the force sensor 114 forms the user interface 100, to which a first data transmission device 130 is also assigned. The data transmission device 130 is set up to transmit data 134 via a Bluetooth connection. In the end position E, the electrical energy is provided by the energy storage unit 116.

The door 3 of the dishwasher 1 is in the Figure 2A shown in their open position. On the inside of the door 3 there is an adding device 106 with a transmitting unit 110 arranged on the adding device 106. The transmitting unit 110 is also assigned a coupling unit 118 which determines a coupling with the receiving unit 112. In this exemplary embodiment, the adding device 106 forms a functional unit 102 that penetrates the inside of the door. In the open position, the coupling unit 118, for example, does not determine any coupling, which is why the transmitting unit 110 is deactivated.

The dishwasher 1 also has a control unit 17 which is arranged on the ceiling 6 and to which a memory unit 18 for storing movement properties and the second data transmission device 132 are assigned. The second data transmission device 132 is also set up to transmit data 134 by means of Bluetooth. The control unit 17 is set up in particular to control the electrical drive device 16 for activating the lifting device 15 for lifting and / or lowering the washware receptacle 10.

For example, the force sensor 114 detects a force that is exerted on the handle 14 by a user. The detected force is transmitted from the first data transmission device 130 to the second data transmission device 132 as a datum 134 via the Bluetooth connection. The control unit 17 evaluates the datum 134 with regard to the force detected by the force sensor 114 and, as a function thereof, accesses the memory unit 18 in order to determine a movement property. With the determined movement property, the control unit 17 then controls the electric drive device 16.

Figure 2B shows the second embodiment of the dishwasher 1 with the door 3 closed and the washware receptacle 10 in the starting position A. In this position, the transmitting unit 110 is in close proximity to the receiving unit 112 allowed by energy. In the position shown, electrical energy can therefore be transmitted inductively. Then, for example, the energy storage unit 116 is charged.

Figure 3A shows a section of an embodiment of a wash ware holder 10 with a handle 14, in which a receiving unit 112, a first data transmission unit 130, a force sensor 114 and an energy storage unit 116 are integrated (in Figure 3A not visible, see e.g. Figure 2A , 2 B ). The washware receptacle 10 is shown in detail as a wire basket. The handle 14 is used to move the washware receptacle 10, for example as in one of the exemplary embodiments of FIG Fig. 1 or 2A , 2 B explained.

Figure 3B shows a section of an embodiment of a door 3 with an adding device 106 in a closed position. A transmission unit 110, which is set up for the inductive transmission of electrical energy, is integrated into the adding device 106. Opposite the door 3, the handle 14 is in the Figure 3A Washware holder 10 shown is shown. In this closed position of the door 3, the transmitting unit 110 and the receiving unit 112 integrated in the handle 14 are arranged very close to one another, which enables an efficient transmission of electrical energy by means of induction.

Fig. 4 FIG. 11 shows an exemplary embodiment of a method for operating a dishwasher 1, for example the dishwasher 1 of FIG Fig. 1 or the Figure 2A , 2 B . The dishwasher 1 has a washing container 2 that can be closed by a door 3 and a washware receptacle 10 which is arranged displaceably in the washing container 2, a user interface 100 being arranged on the washware receptacle 10. The washware receptacle 10 can be displaced between a starting position A and an end position E.

The method has the following steps: Inductive transmission S1 of electrical energy from a transmitting unit 110 arranged on the inside of the door 3 to a receiving unit 112 arranged on the washware receptacle 10 when the door 3 is in a closed position and the washware receptacle 10 is in the starting position A. are; and providing S2 of electrical energy from the receiving unit 112 to that of the receiving unit 112 associated with the user interface 100, for operating the user interface 100.

In addition, the method can include further steps, not shown, in particular: determining a coupling state of the transmitting unit 110 and the receiving unit 112 by means of a coupling unit 118 assigned to the transmitting unit 110; Activation of the transmission unit 110 as a function of the determined coupling state; Transmitting data 134 from a first data transmission unit 130 assigned to the user interface 100 to a second data transmission unit 132; Detection of a user input and / or a force by means of an input device arranged on a front side of the washware receptacle 10 or a force sensor 114 arranged on a handle 14; Controlling an electric drive device 16 with a movement property by means of a control unit 17; Reading out a movement property from a memory unit 18 assigned to the control unit 17 as a function of the determined force; Outputting an operating parameter of the dishwasher 1 by means of a display device 104 arranged on a front side of the washware receptacle 10; and storing electrical energy in an energy storage unit 116 assigned to receiving unit 112.

Reference symbols used

1

dishwasher

2

Rinsing container

3

door

4th

Wash cabinet

5

floor

6th

ceiling

7th

Back wall

8th

Side wall

9

Side wall

10

Wash ware holder

11th

rail

12th

Direction of insertion

13th

Pull-out direction

14th

Handle

15th

Lifting device

16

electric drive device

17th

Control unit

18th

Storage unit

100

User interface

102

Functional unit penetrating the inside of the door

104

Display device

106

Adding device

110

Sending unit

112

Receiving unit

114

Force sensor

116

Energy storage unit

118

Coupling unit

130

first data transmission device

132

second data transmission device

134

Data

A.

Starting position

E.

End position

S.

axis

S1

Process step

S2

Process step

Claims (12)

1. Dishwasher (1), in particular household dishwasher, with a dishwasher cavity (2) that can be closed off by a door (3), a receptacle for items to be washed (10) arranged such that it can be displaced in the dishwasher cavity (2) with a receive unit (112), wherein the receptacle for items to be washed (10) can be displaced between a starting position (A) and an end position (E), characterised by a transmit unit (110) arranged on an inner side of the door (3) for the inductive transfer of electrical energy to the receive unit (112), wherein the transmit unit (110) on the inner side of the door (3) and the receive unit (112) on the receptacle for items to be washed (10) are arranged relative to one another such that the electrical energy can be inductively transferred from the transmit unit (110) to the receive unit (112) when the door (3) is in a closed position and the receptacle for items to be washed (10) is in the starting position (A), and wherein arranged on the receptacle for items to be washed (10) is a user interface (100), which is electrically and/or mechanically coupled to the receive unit (112).
2. Dishwasher according to claim 1, wherein a first data transfer facility (130) assigned to the user interface (100) and a second data transfer facility (132) are provided for wirelessly transferring data (134).
3. Dishwasher according to one of claims 2, wherein the user interface (100) comprises a display facility for displaying at least one operating parameter of the dishwasher (1), an operating facility for operating the receptacle for items to be washed (10) and/or the dishwasher (1) and/or a sensor for recording at least one operating parameter of the dishwasher (1).
4. Dishwasher according to one of claims 1 to 3, further having a functional unit (102) that is arranged on the door (3) and penetrates the inner door, wherein the transmit unit (110) is coupled to the functional unit (102).
5. Dishwasher according to one of claims 1 to 4, wherein the functional unit (102) that penetrates the inner door comprises a dispenser apparatus (106).
6. Dishwasher according to one of claims 2 to 5, further having a lifting apparatus (15) with an electrical drive facility (16), which is configured to displace the receptacle for items to be washed (10) between the starting position (A) and the end position (E) by means of a movement of the receptacle for items to be washed (10), wherein the user interface (100) is arranged in a handle (14) of the receptacle for items to be washed (10) and comprises a force sensor (114), which is configured to record a force acting on the handle (14), wherein the first data transfer facility (130) is configured to transfer the force recorded by the force sensor (114) to the second data transfer facility (132), wherein the second data transfer facility (132) is assigned to a control unit (17), which is configured to actuate the electrical drive facility (16) for the movement of the receptacle for items to be washed (10) as a function of the recorded force with a movement property.
7. Dishwasher according to claim 6, further having a memory unit (18), which is assigned to the control unit (17) and is configured to store a plurality of different movement properties, wherein the movement property comprises a lifting speed when lifting or lowering the receptacle for items to be washed (10), a height of the starting position (A) and/or a height of the end position (E), and wherein the control unit (17) is configured to select the movement property for actuating the electrical drive unit (16) from the plurality of stored movement properties as a function of the recorded force.
8. Dishwasher according to one of claims 1 to 7, further having an energy storage unit (114), which is arranged on the receptacle for items to be washed (10) and is configured to store the electrical energy transferred in the closed state of the door from the transmit unit (110) to the receive unit (112).
9. Dishwasher according to one of claims 2 to 8, further comprising a sensor apparatus for recording a loading property of the receptacle for items to be washed (10), wherein the second data transfer facility (132) is assigned to the sensor apparatus and is configured to transmit the recorded loading property to the first data transfer facility (130), wherein the user interface (100) is embodied as a display facility (104) and is configured to output the loading property received by the first data transfer facility (130).
10. Dishwasher according to one of claims 2 to 9, wherein the user interface (100) has an input apparatus, which is configured to record user inputs, and the first data transfer facility (130) is configured to transfer the recorded user inputs to the second data transfer facility (132).
11. Dishwasher according to one of claims 1 to 10, wherein the transmit unit (110) has a coupling detection unit (118), which is configured to ascertain a coupling state of the transmit unit (110) to the receive unit (112) and, as a function of the ascertained coupling state, to activate the inductive energy transfer.
12. Method for operating a dishwasher (1), in particular household dishwasher, having a dishwasher cavity (2) that can be closed off by a door (3) and a receptacle for items to be washed (10) arranged such that it can be displaced in the dishwasher cavity (2) with a user interface (100), wherein the receptacle for items to be washed (10) can be displaced between a starting position (A) and an end position (E), with:
    inductive transfer of electrical energy from a transmit unit (110) arranged on an inner side of the door (3) to a receive unit (112) arranged on the receptacle for items to be washed (10), when the door (3) is in a closed position and the receptacle for items to be washed (10) is in the starting position (A).

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