EP4370006A1

EP4370006A1 - Domestic dishwasher

Info

Publication number: EP4370006A1
Application number: EP22738695.0A
Authority: EP
Inventors: Aaron Friedke; Daniel Miller; Michael Rupp; Manuel JÖRG
Original assignee: BSH Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2021-07-16
Filing date: 2022-07-07
Publication date: 2024-05-22
Also published as: CN117729871A; DE102021207587A1; US20240315527A1; WO2023285264A1

Abstract

The invention relates to a domestic dishwasher (1) with a washing container (2), a door (3) for closing or opening the washing container (2), a washing items receptacle (12, 13, 14) and a drive (16) which is set up to move the washing items receptacle (12, 13, 14) in a deployment direction (A) and/or a retraction direction (E) in such a way that it at least partially opens and/or closes the door (3).

Description

domestic dishwasher

The present invention relates to a domestic dishwasher.

The operation of domestic dishwashers is to be increasingly simplified. For this purpose it is known, for example from the publications EP 2568864 B1 and DE 102005 010616 A1, to equip a domestic dishwasher with a drive. The drive is set up to automatically move a crockery basket. Furthermore, devices for automatic door opening in a domestic dishwasher are known from the publications EP 2797478 B1, EP 2568864 B1 and EP 2371 258 A2.

The object of the present invention is to provide an improved domestic dishwasher.

Accordingly, a domestic dishwasher is provided with a washing compartment, a door for closing or opening the washing compartment, a washware holder and a drive. The drive is set up to move the wash items receptacle in an extension direction and/or in a retraction direction in such a way that the door at least partially opens and/or closes.

Drives for the automatic, in particular motorized, movement of a washware receptacle are known from the prior art, as described in the introduction. This drive is now advantageously used in operative connection with the washware holder in order to open and/or close the door. This eliminates the need for an additional mechanism for opening the door, or it can be simplified.

The door opening can be partial or full. The door is thus brought into an at least partially open position or from such into its closed position by means of the washware receptacle driven by the drive. An opening angle of the door in its partially open position can be, for example, between 3° and 90°, preferably between 5° and 45°. In the fully open position, the opening angle of the door is preferably 90°. the The opening angle here is the angle which an essentially flat section of the door, such as a peripheral edge of the same, encloses with the vertical direction.

To open the door, the washware holder can press directly or indirectly against the door. When pressed directly, the washware holder presses, for example with its front side, directly against the inside of the door, ie in particular directly against the inner door panel. When pressed indirectly, the washing item holder presses against the inner door panel by means of a further component. The other component can be a damping element or a slider, for example, as will be explained in more detail later.

The extension direction and/or the retraction direction can be oriented horizontally, also exclusively horizontally. Alternatively, the exit direction and/or the entry direction can describe a curve. This is the case, for example, when the drive moves the items to be washed out of or into the washing container by means of parallelogram links or the like.

In particular, the domestic dishwasher can have a plurality of items to be washed and/or a plurality of drives.

According to one embodiment, the door has an open position with a predetermined opening angle at the end of the opening movement mediated by the drive and/or at the beginning of the closing movement mediated by the drive.

"Predetermined" means here that the opening angle is not arbitrary, but is predetermined by the mechanics, electronics, etc. This also means that the opening angle is always the same over the operating life of the domestic dishwasher, unless it is provided to be adjustable, as described in more detail below.

In other embodiments, the opening angle can also be non-predetermined. In particular, the (also predetermined) opening angle can be different at the end of the opening movement and at the beginning of the closing movement. This means that the door can be opened using the dishwashing receptacle up to a first opening angle of for example 10 degrees, is opened, and is closed at a second opening angle of 30 degrees, for example, using the washware receptacle.

In the present case, a “washing items receptacle” is to be understood as meaning a receptacle for items to be washed, for example plates, cups, glasses or pots. The items to be washed can be designed in particular as an upper rack, a lower rack or a cutlery drawer.

According to a further embodiment, the domestic dishwasher has a control unit which is set up to control the drive for moving the washware holder in the extension direction until the door has the predetermined opening angle.

“Controlling” can also include regulation here. The regulation can have, for example, a sensor (or also several sensors) which, in particular, detects the actual opening angle. The control unit then compares the actual opening angle with the predetermined opening angle and controls the drive until the actual opening angle corresponds to the predetermined opening angle. When the door is closed, the control unit controls the drive for moving the washware holder in the retracting direction until the door has moved from its starting position (at least partially open position) to its closed position. A corresponding regulation can also be provided here.

According to a further embodiment, the household dishwasher has an input device which is set up to receive a user input. The control unit is set up to set the predetermined opening angle with the aid of the drive as a function of the user input.

The input device is, for example, an operating element, such as a switch, a rotary knob, a touch display or a (for example wireless/network) communication interface. The communication interface can be configured to receive the user input from an external device, such as a smartphone. According to a further embodiment, the predetermined opening angle can be adjusted between at least a first and second value.

The adjustment between the at least one first and second value can take place, for example, at the manufacturer of the household dishwasher or by a user of the household dishwasher. This allows the opening angle to be easily adapted to the respective requirements. For example, some users will prefer a larger opening angle than other users for ergonomic reasons.

According to a further embodiment, the first value and/or the second value can be set mechanically, pneumatically, hydraulically and/or electronically by a user.

In particular, the electronic setting can be carried out easily via the input device already mentioned, in particular with the aid of an operating element.

According to a further embodiment, the household dishwasher comprises a data memory on which the predetermined opening angle or the first value and/or the second value is/are stored.

For example, the first value can be a basic setting that is already written to the data memory at the factory. The second value, on the other hand, can be set by a user, for example. Different data memories can also be used for the first and second values, with the data memory for the first memory being a write-protected data memory, for example. This means that the basic setting can be stored in an unchangeable manner, for example.

According to a further embodiment, the household dishwasher has a calculation unit which is set up to calculate the predetermined opening angle or the first value and/or the second value and, if necessary, to store it in the data memory. According to a further embodiment, the calculation unit is set up to calculate the predetermined opening angle or the first value and/or the second value as a function of simulated data and/or real data.

In particular, the calculation unit can have artificial intelligence, which is set up to calculate the predetermined opening angle or the first value and/or the second value as a function of simulated data and/or real data. In the present case, "artificial intelligence" is to be understood as meaning one algorithm or several algorithms. These algorithms can include, for example, a neural network or multiple neural networks, statistical methods, or the like. In particular, the artificial intelligence can have algorithms that, with the help of training data (at the factory, i.e. at the manufacturer of the

household dishwasher, or by the user of the household dishwasher, that is, by the customer). The training with the help of training data can also take place over the period of use of the domestic dishwasher, in particular at the customer's site.

"Simulated data" can be obtained in particular in two ways: On the one hand, a different (in particular the same or comparable)

Household dishwasher are equipped with a sensor or sensors that observe, for example, a behavior of a standard user. The data collected in this way are then, for example, written into a data memory of the domestic dishwasher at the factory and are then available to the calculation unit when the domestic dishwasher is in operation. However, such data can also be read in via a private computer network (LAN, etc.) or a public computer network (WAN, etc.), in particular at the operating site of the domestic dishwasher (ie at the customer's site).

"Real data" can be provided, for example, by the household dishwasher having a sensor or a plurality of sensors which are set up, for example, to record user behavior in relation to the household dishwasher. As a result, an actual behavior of a corresponding user can advantageously be recorded and used by the calculation unit and there is no need to use empirical values collected with other (standard) users (simulated data).

According to a further embodiment, the domestic dishwasher has an upper and a lower washware receptacle. The drive or a respective drive is set up to first open the door to a first opening angle with the aid of the upper wash item holder and then to open the door using the lower wash item holder to a second opening angle, which is larger than the first opening angle.

For example, the first opening angle can be between 5° and 30° and/or the second opening angle can be between 30° and 90°. The upper and lower items to be washed can in particular be an upper and lower basket. However, the upper washware holder could also be a cutlery drawer and the lower washware holder a lower rack. This allows the door to be fully opened easily. In particular, it is not ruled out that three items to be washed or more items to be washed or loading levels are provided in the domestic dishwasher.

In particular, a first drive can be assigned to the upper item to be washed and a second drive can be assigned to the lower item to be washed.

According to a further embodiment, moving the wash items holder in the extended direction from its fully retracted position using the drive is only possible if a device of the wash items holder first detects the closed state and/or the unlocked state of the door.

According to a first variant, the domestic dishwasher has a door lock. This is locked when the door is closed. To open the door, the washware holder must overcome the closing force of the door lock. According to a second variant, the domestic dishwasher includes a door opening module for automatically locking and unlocking the door lock. In this case, the door lock is only unlocked before the washware holder is pressed against the door to open the same. Advantageously, with the help of this embodiment Endangerment of the user by an opening door can be excluded or reduced, since the door only opens if it was previously closed.

The device is in particular a sensor which detects the closed position of the door. Additionally or alternatively, the device can be the door opening module, which outputs a corresponding output signal depending on the locked state or the unlocked state of the door.

According to a further embodiment, the domestic dishwasher has a coupling device which is set up to detachably couple the door to the washware holder in order to close the door.

The coupling device can be, for example, magnets, a locking mechanism, a link contour, a spring mechanism, etc. As a result, the door can advantageously be “captured” in order to close it with the aid of the items to be washed. Because the door is releasably connected to the washware holder with the aid of the coupling device, the door can be opened further from the predetermined opening angle, in particular when the same is opened. This is preceded by the decoupling of the door from the washware holder, that is to say in particular a disconnection of the coupling device. The decoupling can take place in that a user manually pulls the door open further or in that, for example, the lower washware holder pushes the door open further.

According to a further embodiment, one of the door and the washware holder has a damping element and/or a slider, the damping element and/or slider being arranged between the washware holder and the door in the closed position of the door and/or the partially open position of the same is.

In particular, this prevents damage to the inside of the door or the washware holder if they collide, for example when the door is opened or closed automatically. According to a further embodiment, the household dishwasher has a control unit which is set up to control the drive in such a way that it drives the washing item holder with variable acceleration.

In particular, the drive accelerates the item to be washed only slowly before it contacts the door and faster thereafter. As a result, smooth running can advantageously be achieved, which reduces operating noise and wear.

According to a further embodiment, it is provided that the washware holder is provided so that it can be moved exclusively linearly in the extension direction and/or the retraction direction.

According to a further embodiment, it is provided that the drive has an electric motor, a mechanism, a pneumatic system and/or a hydraulic system. The mechanism can in particular be a spring system.

According to a further embodiment, the drive is set up to move the washware holder with the aid of a gear, in particular a gear which engages in a toothed rack.

The units described here, such as the control unit, can be designed in terms of hardware and/or software.

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

Further advantageous refinements and aspects of the invention are the subject matter of the dependent claims 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 enclosed figures. Show it

1 shows a schematic perspective view of an embodiment of a domestic dishwasher;

Fig. 2 is a view ll-ll from Fig. 1, wherein the door of

domestic dishwasher is in its closed state;

Figure 3 is the view of Figure 2 with the door in its open condition;

4 shows a circuit of the domestic dishwasher from FIGS. 1 to 3 according to an embodiment;

FIG. 5 shows an enlarged view V from FIG. 2;

Fig. 6 is an enlarged view VI of Fig. 3;

Fig. 7 shows a variant compared to Fig. 6;

8 shows a speed-time diagram of a dish rack of the domestic dishwasher; and FIG. 9 shows a speed-time diagram according to a variant.

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

1 shows a schematic perspective view of an embodiment of a domestic dishwasher 1. The domestic dishwasher 1 comprises a washing compartment 2, which can be closed by a door 3, which is in particular watertight. For this purpose, a sealing device can be provided between the door 3 and the washing container 2 . The washing container 2 is preferably cuboid. The washing compartment 2 can be arranged in a housing of the domestic dishwasher 1 . The washing compartment 2 and the door 3 can form a washing chamber 4 for washing items to be washed.

The door 3 is shown in FIG. 1 in its open position. The door 3 can be closed or opened by pivoting about a pivot axis 5 provided at a lower end of the door 3 . With the help of the door 3, a loading opening 6 of the washing compartment 2 can be closed or opened. The washing compartment 2 has a base 7, a cover 8 arranged opposite the base 7, a rear wall 9 arranged opposite the closed door 3 and two of each other oppositely arranged side walls 10, 11 on. The bottom 7, the top 8, the rear wall 9 and the side walls 10, 11 can be made from a stainless steel sheet, for example. Alternatively, for example, the bottom 7 can be made of a plastic material.

The domestic dishwasher 1 also has at least one washware receptacle 12 to 14 . Preferably, several, for example three, washware holders 12 to 14 can be provided, with washware holder 12 being a lower washware holder or a lower rack, washware holder 13 being an upper washware holder or an upper rack and washware holder 14 being a cutlery drawer. As FIG. 1 also shows, the wash items receptacles 12 to 14 are arranged one above the other in the wash tub 2 . Each washware holder 12 to 14 can be moved either into or out of the washing compartment 2 . In particular, each washware receptacle 12 to 14 can be pushed or moved into the washing compartment 2 in an insertion direction E (also referred to as "insertion direction E"; arrow) and counter to the insertion direction E (arrow) in an extension direction A (also referred to as "extension direction A"; arrow). can be pulled out or moved out of the washing container 2 .

2 shows a section ll-ll from fig Rinsing tank 2 can be moved in (also referred to as "automatic rack movement"). A device 15 is provided for this purpose. The device 15 can have a drive in the form of an electric motor 16 and a gear 17 . The transmission 17 can drive a gear wheel or a plurality of gear wheels (not specified) and/or a toothed rack. For example, the toothed rack can be fastened to the upper basket 13, and a gear wheel driven by the electric motor 16 engages in the toothed rack, as a result of which the upper basket 13 can be moved in and out. The upper basket 13 is held, for example, with the aid of a telescopic extension 18 so that it can move in an exclusively linear manner on an inside of the washing compartment, which is not described in any more detail. The exclusively linear movement takes place in the extension direction A (arrow) or in the retraction direction E (arrow). The electric motor 16 is set up to press the upper basket 13 in the closed position of the door 3 shown in FIG. 2 with its end face 19 (see FIG. 3) against the inside 20 of the door. If the force applied to the inside of the door 20 (that is, in particular the inside panel of the door) exceeds a predetermined threshold value, the door 3 opens, as can be seen in FIG. 3 . The resulting opening angle a describes how far the door 3 is opened. The opening angle a is defined between the inside of the door 20 and a vertically running edge 21 of the washing tub. As can also be seen in FIG. This is particularly limited where a lower corner 22 (see FIG. 3) on the end face 19 of the upper basket 13 loses contact with the inside 20 of the door 3.

The opening angle a is advantageously predetermined in a domestic dishwasher 1 . This can also be adjustable in embodiments, in particular between a first and a second value cii, 02 (see FIG. 3).

According to a first embodiment, the domestic dishwasher 1 therefore has a control unit 23 shown in FIG. 4 . 4 shows an exemplary circuit of the domestic dishwasher 1.

The control unit 23 can be designed as a microprocessor, for example. This is particularly useful if the control unit 23 is provided separately from a central control unit 24 (see FIG. 2) of the household dishwasher 1. The control for the pumps and valves of the household dishwasher 1 is provided on the central control unit 24, for example.

However, the control unit 23 can also be formed (purely) in terms of software on the central control device 24 . The control unit 23 is set up to activate the electric motor 16 until the door 3 assumes the predetermined opening angle a. In the area of its pivot axis 5, the door 3 can be coupled to the body 2 of the domestic dishwasher 1 by means of a brake (not shown). This can be set up to prevent a further (unintentional) swinging open of the door 3 when it has the predetermined opening angle a. Furthermore, the domestic dishwasher 1 can have an input device 25 (see FIG. 4) for receiving a user input. The input device 25 can, for example, be integrated into an operating panel 26 on the front or the outside of the door 3 or on its upper narrow side (see FIG. 3), also in terms of software. For example, washing programs of the domestic dishwasher 1 can be selected via the operating panel 26 .

With the aid of the input device 25, a user (also referred to as an operator) can input the desired, predetermined opening angle a. Or, in embodiments, the user can select a specific mode, for example comfort mode, for which a predetermined opening angle a is stored in a data memory 27 (see FIG. 4). If the comfort mode is selected, the control unit 23 controls the electric motor 16 with the opening angle a read from the data memory 27 .

Provision can also be made for the user to be able to adjust the predetermined opening angle a between a first and second value cii and 02, for example for reasons of comfort. For example, the angle cii can be an angle already stored in the data memory 27 at the factory (basic setting). If the user desires a different opening angle θ2, he can set this using the input device 25. This is then also written into the data memory 27, for example. According to the exemplary embodiment, the first and second values c i , θ 2 of the predetermined opening angle α are set electronically by the user. However, this could also be done mechanically, pneumatically or hydraulically.

FIG. 4 shows a further embodiment in which the domestic dishwasher 1 has a calculation unit 28 . The calculation unit 28 is set up to calculate the predetermined opening angle a or the first value ai and/or the second value θ2 and, if necessary, to store it in the data memory 27 . The calculation unit 28 has an artificial intelligence 29, for example in the form of a neural network. The artificial intelligence 29 is trained with simulated data 30 (indicated by dashed lines in FIG. 4) or with real data 31 (or both data 30, 31). The simulated data 30 can correspond to simulated user behavior, for example. The real data 31, however, an actual correspond to user behavior. The simulated data 30 can be made available, for example, via a public network, in particular the Internet. The real data 31 are recorded in the domestic dishwasher 1, for example, with the aid of a sensor or a plurality of sensors (not shown).

Embodiments will now be explained with reference to FIGS. 2 and 3, which can result from the fact that on the one hand (see FIG. 2) the domestic dishwasher 1 has a door lock 32 without an associated actuator. On the other hand, in the embodiment according to FIG. 3 there is a door lock 32 which is part of a door opening module 33 . The door opening module 33 includes in particular a wax motor 34 (or another actuator) which controls the door lock 32 for locking or unlocking the door 3 .

In the case of FIG. 2 (only one door lock 32 is present), the door 3 is opened in that the electric motor 16 or the upper basket 13 pushes the door lock 32 into its locked position. This unlocks it automatically. However, before the upper basket 13 is actuated to open the door 3, it is preferably ensured that the door 3 is also in its closed position. For this purpose, a sensor 35 (see FIG. 4) is provided, which detects the closed position of the door 3. This reduces or avoids the risk of the upper basket 13 moving out and, for example, squeezing a hand located between its end face 19 and the inside 20 of the door.

In the exemplary embodiment according to FIG. 3 (door lock 32 with, for example, a wax motor 34 or another actuator), the door opening module 33 is read out by the control unit 23 . This variant is indicated by dashed lines in FIG. The door opening module 33 provides information about the locked or unlocked position of the door lock 32 . Accordingly, it can also be provided in this variant that the door is only opened with the aid of the upper basket 13 when it is actually in its closed position.

FIG. 5 shows an enlarged view V from FIG. although more or fewer can also be provided) are provided. One of the cushioning elements 36 is provided at the lower corner 22 of the upper basket 13, for example. The damping elements 36 can have an elastomer, for example. The damping elements 36 dampen an impact between the upper basket 13 and the door 3. Such an impact occurs in particular when the door 3 is pushed open with the aid of the upper basket 13. Such an impact can also occur when the door 3 is closed manually, for example.

6 shows an enlarged view VI from FIG. 3. In contrast to FIG. 5, there is no damping element 36 on the lower corner 22 of the upper basket 13, but rather a first magnet 37 of two magnets 37, 38 one Coupling device 39 is provided. The second magnet 38 of the coupling device 39 is fixed in or on the door 3 (in particular on the inside 20 of the door). If the magnets 37, 38 come into contact with one another, the coupling device 39 is in the coupled state and allows the door 3 to be closed with the aid of the upper basket 13. This takes place in particular at the predetermined opening angle a. For this purpose, the electric motor 16 actuates the gear 17, as a result of which the upper basket 13 is retracted in the retracting direction E (arrow).

7 shows a slider 40 instead of the damping element 36 on the lower corner 22 of the upper basket 13. The slider 40 is designed to slide along the inside 20 of the door. This also prevents a hard impact between the upper basket 13 and the door 3, and almost noiseless sliding between them during the opening movement is ensured.

FIG. 8 shows a first speed-time diagram for the upper basket 13, the speed curve 41 being constantly linear (constant gradient). The time is denoted by t and the speed by v. In contrast, FIG. 9 shows a speed curve 4T, which corresponds to a soft start.

At the point marked with a cross in FIGS. 8 and 9, the upper basket 13 hits the door 3, but at a reduced speed in FIG. 9 due to the soft start. As a result, damage to the door 3, in particular its metallic inner side 20, is avoided. Alternatively or additionally, gentle braking of the upper basket 13 could be provided, in particular before it hits the door 3 .

In a further embodiment not shown in detail, the lower basket 12 (see FIG. 13) is also equipped with a drive (not shown). With the help of the drive, the lower basket 12 can also be extended in the extension direction A (arrow) or retracted in the retraction direction E (arrow). The control unit 23 is set up to control the drive 16 in such a way that it initially extends the upper basket 13 until the door has an opening angle a, as can be seen in FIG. 3 . The control unit 23 then controls the drive of the lower basket 12 and uses it to open the door 3 completely, which is illustrated in FIG. 3 by the door 3 shown in dashed lines and the maximum opening angle a _max . For example, the angle a is 45° in this case, and the angle a _max is 90°.

Although the present invention has been described using exemplary embodiments, it can be modified in many ways.

For example, the lower basket 12 can be pivoted upwards out of the washing compartment 2 along a curve by means of the drive assigned to it.

Instead of an electric motor, the drive 16 can have a mechanism, in particular a spring, pneumatics or hydraulics.

Reference signs used

1 domestic dishwasher

2 rinsing tanks

3 door

4 washroom

5 pivot axis

6 loading opening

7 floor

8 ceiling 9 back wall

10 side wall

11 side wall

12 items to be washed; lower basket

13 items to be washed; upper basket

14 items to be washed; cutlery drawer

15 device

16 electric motor

17 gears

18 telescopic rail

19 face

20 Door inside 21 Rinse tank edge 22 Corner

23 control unit

24 Central Control Unit

25 input device

26 control panel

27 data storage

28 calculation unit

29 Artificial Intelligence

30 Simulated Data

31 real dates

32 door lock 33 door opening module

34 wax motor

35 sensors

36 damping element

37 magnets

38 magnets

39 coupling device

40 gliders

41 Speed History

4T speed history

A Extension direction (arrow)

E Entry direction (arrow) v Speed t Time a Opening angle ai First value (opening angle)

02 Second value (aperture angle)

O _max second opening angle; maximum opening angle ll-ll view

V view

VI view

Claims

patent claims

1. Domestic dishwasher (1) with a washing compartment (2), a door (3) for closing or opening the washing compartment (2), a washware receptacle (12, 13, 14) and a drive (16) which is set up for this purpose, to move the wash items receptacle (12, 13, 14) in an extension direction (A) and/or a retraction direction (E) in such a way that it at least partially opens and/or closes the door (3).

2. Domestic dishwasher (1) according to claim 1, characterized in that the door (3) at the end of the drive (16) mediated opening movement and / or at the beginning of the drive (16) mediated closing movement an open position with a has a predetermined opening angle (a).

3. Domestic dishwasher (1) according to claim 2, characterized by a control unit (23) which is set up to control the drive (16) for moving the washware holder in the extension direction (A) until the door (3) reaches the predetermined Opening angle (a).

4. Domestic dishwasher (1) according to Claim 2 or 3, characterized by an input device (25) which is set up to receive a user input, the control unit (23) being set up to set the predetermined opening angle (a) with the aid of the drive (16 ) depending on the user input.

5. Domestic dishwasher (1) according to claim 2, 3 or 4, characterized in that the predetermined opening angle (a) can be adjusted between at least a first value (ai) and a second value (02).

6. Domestic dishwasher (1) according to claim 5, characterized in that the first value (ai) and/or the second value (02) can be set mechanically, pneumatically, hydraulically and/or electronically by the user.

7. Domestic dishwasher (1) according to one of claims 2 to 6, characterized by a data memory (27) on which the predetermined opening angle (a) or the first value (ai) and/or the second value (02) is stored.

8. Domestic dishwasher (1) according to one of Claims 2 to 7, characterized by a calculation unit (28) which is set up to calculate the predetermined opening angle (a) or the first value (ai) and/or the second value (02). calculate.

9. Domestic dishwasher (1) according to claim 8, characterized in that the calculation unit (28) has an artificial intelligence (29) which is set up to the predetermined opening angle (a) or the first value (ai) and / or the second Calculate value (02) depending on simulated data and/or real data.

10. Household dishwasher (1) according to any one of the preceding claims, characterized by an upper and lower wash items holder (13, 12), wherein the drive (16) or a respectively assigned drive is set up to open the door (3) initially with the aid of the upper wash items holder ( 13) to open up to a first opening angle (a) and then to open the door (3) using the lower wash items holder (12) up to a second opening angle (a _m ax), which is greater than the first opening angle (a).

11. Domestic dishwasher (1) according to one of the preceding claims, characterized in that moving the washware receptacle (12, 13, 14) in the extension direction (A) from its fully retracted position using the drive (16) is only possible if a Device (33, 35) of the domestic dishwasher (1) first determines the closed state and/or the unlocked state of the door (3).

12. Domestic dishwasher (1) according to any one of the preceding claims, characterized by a coupling device (39) which is set up to do so is to couple the door (3) to the washing item holder (12, 13, 14) in a detachable manner in order to close it.

13. Domestic dishwasher (1) according to any one of the preceding claims, characterized in that one of the door (3) and the washing items holder (12, 13, 14) has a damping element (36) and / or a slider (40), wherein the damping element (36) and/or the slider (40) is arranged between the washing item holder (12, 13, 14) and the door (3) when the door (3) is in the closed position and/or in the partially open position.

14. Domestic dishwasher (1) according to one of the preceding claims, characterized by a control unit (23) which is set up to control the drive (16) in such a way that it moves the items to be washed (12, 13, 14) with a variable acceleration (4T ) drives.

15. Domestic dishwasher (1) according to one of the preceding claims, characterized in that the washware receptacle (12, 13, 14) is provided to be exclusively linearly movable in the extension direction (A) and/or retraction direction (E) and/or the drive (16 ) has an electric motor, a mechanism, a pneumatic system and/or a hydraulic system and/or the drive (16) is set up to move the wash items holder (12, 13, 14) with the aid of a transmission (17), in particular a gearwheel, which in a rack engages to move.