EP4033953A1 - Lave-vaisselle domestique et procédé - Google Patents

Lave-vaisselle domestique et procédé

Info

Publication number
EP4033953A1
EP4033953A1 EP20781311.4A EP20781311A EP4033953A1 EP 4033953 A1 EP4033953 A1 EP 4033953A1 EP 20781311 A EP20781311 A EP 20781311A EP 4033953 A1 EP4033953 A1 EP 4033953A1
Authority
EP
European Patent Office
Prior art keywords
door
control unit
closing device
door opening
cable
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.)
Pending
Application number
EP20781311.4A
Other languages
German (de)
English (en)
Inventor
Aaron Friedke
Martin Rittner
Michael Rupp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP4033953A1 publication Critical patent/EP4033953A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4261—Connections of the door to the casing, e.g. door hinges
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/26—Loading door status, e.g. door latch opened or closed state
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/22—Loading doors, e.g. door latches, inflatable door seals
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user

Definitions

  • the present invention relates to a domestic dishwasher and a method for operating such a domestic dishwasher.
  • a dishwasher comprises a washing container in which items to be cleaned can be accommodated.
  • a door is rotatably hinged on the washing container in order to close and open the washing container.
  • a spring-loaded cable system can be used to automatically open and close the door. In order to prevent injury to a user through uncontrolled opening of the door in the event of damage to the cable system, it is advantageous to monitor the cable system.
  • DE 102011 050 914 A1 shows a dishwasher with a machine base and a washing container providing a washing area, the washing container having a washing area access opening that can be closed by means of a pivotable door, and with a door spring which is arranged on the door at one end with a cable in between and on the machine base at the other end is. So that there is increased operational reliability with regard to the door spring, the dishwasher includes a break sensor for the door spring.
  • a household dishwasher with a washing container, a pivotable door hinged on the washing container, a door opening and closing device for automated opening and closing of the door, and a control unit for controlling the door opening and closing device.
  • the control unit is set up to detect a motor current of a drive element of the door opening and closing device and to evaluate whether the door opening and closing device is functional or not.
  • a separate switch or sensor for monitoring the door opening and closing device can advantageously be dispensed with in the household dishwasher. An injured Access of a user through an uncontrolled noticeable door in the event of a defect in the door opening and closing device can thus be reliably prevented.
  • the washing container is preferably cuboid and has a loading opening on the front for loading the household dishwasher with items to be washed, which opening can be closed and reopened with the aid of the door.
  • the rinsing container is carried by a box-shaped base support.
  • the door opening and closing device is arranged at least in sections in the base support. With the help of the door opening and closing device, the door can be opened and closed automatically. However, the door can preferably also be opened and closed manually.
  • the fact that the door is “hinged” on the washing container means that it is attached to the washing container, to the base support or to a housing of the domestic dishwasher in a pivotable manner with the aid of a hinge.
  • the control unit can be part of the door opening and closing device. Washing programs of the household dishwasher can also be stored in the control unit. With reference to the control unit, “stored” means that the flushing programs or other programs, such as a program for evaluating the motor current, are stored in the control unit.
  • the control unit can have a memory module.
  • the control unit can comprise a microprocessor or the like. The suitability of the control unit for detecting and evaluating the motor current results from the presence of suitable electronic components, such as the aforementioned microprocessor, and from a program stored in the control unit for detecting and / or evaluating the motor current. In particular, the control unit detects a motor characteristic curve of the drive element. In the present case, a "motor characteristic curve" is to be understood as the course of the motor current over time.
  • the drive element is preferably part of the door opening and closing device.
  • the drive element can be an electric motor.
  • the door opening and closing device preferably comprises a spring element and a rope coupled to the spring element and the door.
  • the drive element is preferably operatively connected to the cable in such a way that the drive element drives the cable.
  • the inoperability of the door opening and closing device can be caused by a break, for example of the spring element and / or the rope. Loss of the preload of the spring element can also lead to an inability to function.
  • other components of the door opening and closing device can lead to the same inoperability. This can also be recognized.
  • the evaluation of the motor current can take place in such a way that the detected motor current is compared with a value stored in the control unit, for example a limit value or a reference motor characteristic. For example, if the detected motor current is lower than a setpoint value, the control unit can assume that the spring element and / or the cable is broken, since the drive element then spins without a load, which results in a lower motor current than in the case of a functional door opening and closing device .
  • control unit in the event that the door opening and closing device is inoperative, the control unit is set up to output a signal and / or to deactivate the door opening and closing device.
  • the signal can be, for example, a warning signal that is output via a user interface.
  • the signal can be optical and / or acoustic. Even if the door opening and closing device is deactivated, the door can be opened and closed manually.
  • the door opening and closing device has a cable coupled to the door and a spring element coupled to the cable, where the control unit is set up to evaluate the motor current to determine whether the cable and / or the spring element is functional or inoperative .
  • the drive element can be operatively connected to the cable for opening and closing the door.
  • the drive element can, however, be coupled to the door in a different manner, so that the cable and the spring element are not necessarily part of the door opening and closing device.
  • the household dishwasher further comprises a drive roller driven by the drive element, around which the cable is wrapped in order to drive the cable.
  • the drive roller can have a cylindrical friction surface on which the rope is wound with 1.25 windings, preferably before. Power is transmitted from the drive roller to the rope through friction.
  • control unit is set up to control the drive element in a closed state of the door and to detect and evaluate the motor current in the closed state of the door.
  • the door is closed manually or automatically.
  • the door can be locked with the help of a door lock.
  • the door lock can be controlled by the control unit.
  • control unit is set up to compare a motor characteristic curve of the drive element with a reference motor characteristic curve stored in the control unit and / or a limit value stored in the control unit and depending on a deviation of the motor characteristic curve from the reference motor characteristic curve and / or the limit value to recognize whether the door opening and closing device is functional or inoperative.
  • the limit value is a limit value of the motor current.
  • the limit value can therefore also be referred to as the motor current limit value.
  • a "motor characteristic curve" is to be understood as the course of the motor current over time.
  • a tolerance field for the reference motor characteristic can be stored in the control unit. If the determined motor characteristic lies within this tolerance range, the control unit assumes that the door opening and closing device is intact. If the determined motor characteristic lies outside this tolerance range, the control unit assumes that the door opening and closing device is defective. The situation is similar with the limit value of the motor current. If the determined motor characteristic is below the limit value, it can be assumed that the drive element rotates freely and the spring element and / or the cable are broken. In the event that the motor characteristic is above the limit value, it can be assumed that the door opening and closing device is intact.
  • the household dishwasher further comprises a user interface for operating the door opening and closing device and for outputting a signal as to whether the door opening and closing device is functional or not.
  • the user interface preferably comprises a push button, a touch display, a microphone, a sensor or some other input device.
  • the user interface is also suitable for outputting information, for example in the form of an optical and / or acoustic signal.
  • a method for operating such a household dishwasher comprises the following steps: a) closing the door, b) activating the drive element when the door is closed, c) detecting the motor current of the drive element, and d) evaluating the motor current to determine whether the door opening and closing device is functional or inoperative.
  • the door can be closed in step a) manually or automatically with the aid of the door opening and closing device. Steps b) to d) are carried out in particular with the aid of the control unit.
  • step d) a motor characteristic curve of the drive element is compared with a reference motor characteristic curve stored in the control unit and / or a limit value stored in the control unit.
  • the reference motor characteristic is stored in the control unit during a calibration process of the domestic dishwasher.
  • the calibration process can be carried out, for example, when the domestic dishwasher is started up.
  • the calibration process can also be carried out again and again at predetermined time intervals.
  • FIG. 1 shows a schematic perspective view of an embodiment of a household dishwasher
  • Fig. 2 shows a schematic sectional view of the household dishwasher ge according to FIG. 1;
  • FIG. 3 shows a further schematic sectional view of the household dishwasher according to section line III-III in FIG. 2;
  • FIG. 4 shows a schematic diagram in which the motor current of a drive element for the household dishwasher according to FIG. 1 is plotted over time
  • FIG. 5 shows a schematic time line of an opening and closing process of a door of the domestic dishwasher according to FIG. 1;
  • FIG. 6 shows a schematic block diagram of an embodiment of a method for operating the household dishwasher according to FIG. 1.
  • the domestic dishwasher 1 comprises a washing compartment 2 which can be closed, in particular watertight, by a door 3.
  • a sealing device can be provided between the door 3 and the washing container 2.
  • the washing container 2 is preferably cuboid.
  • the washing container 2 can be arranged in a housing of the household dishwasher 1.
  • the washing compartment 2 and the door 3 can form a washing area 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.
  • a loading opening 6 of the washing compartment 2 can be closed or opened.
  • the washing compartment 2 has a base 7, a ceiling 8 disposed opposite the base 7, a rear wall 9 disposed opposite the closed door 3, and two side walls 10, 11 disposed opposite one another.
  • the floor 7, the ceiling 8, the rear wall 9 and the side walls 10, 11 can be made of stainless steel sheet, for example.
  • the bottom 7 can be made of a plastic material.
  • the household dishwasher 1 also has at least one washware receptacle 12 to 14.
  • the washware receptacle 12 being a lower washware receptacle or a lower basket
  • the washware receptacle 13 an upper washware receptacle or an upper basket
  • the washware receptacle 14 a cutlery drawer.
  • the items to be washed 12 to 14 are arranged one above the other in the washing compartment 2. net.
  • Each washware receptacle 12 to 14 can optionally be moved into or out of the wash container 2.
  • each washware receptacle 12 to 14 can be pushed or moved into the washing container 2 in an insertion direction E and can be pulled out or pulled out of the washing container 2 in a pull-out direction A counter to the insertion direction E.
  • FIG. 2 shows a schematic sectional view of the household dishwasher 1.
  • FIG. 3 shows a further schematic sectional view of the household dishwasher 1 according to the section line III-III of FIG. 2.
  • the sectional view according to FIG. 3 is opposite the sectional view according to FIG. 2 rotated by 90 ° counterclockwise. Reference is made to FIGS. 2 and 3 simultaneously.
  • the household dishwasher 1 comprises a base support 15 which carries the rinsing container 2.
  • the base carrier 15 can be a plastic injection-molded component.
  • the base support 15 encloses an interior 16 of the same.
  • a door opening and closing device 17 can be accommodated in the interior 16.
  • the door opening and closing device 17 comprises a cable 18 connected to the door 3, a drive roller 19 in contact with the cable 18 and a drive element 20, for example an electric motor, which is set up to drive the drive roller 19 to move the cable 18 in this way that a pivoting movement of the door 3 is effected.
  • the door 3 comprises a lever section 21 to which a first end section 23 of the cable 18 is connected.
  • the door 3, the drive element 20 and the cable 18 are set up in such a way that a change in a tensile force F1 applied to the lever section 21 with the aid of the drive element 20 and the cable 18 causes the door 3 to pivot.
  • the drive roller 19 is connected to the drive element 20 preciselyver.
  • the door 3 is hinged, for example with the aid of a hinge 22, on the washing compartment 2, the base support 15 or a housing, not shown, of the domestic dishwasher 1.
  • the pivot axis 5 is assigned to the hinge 22.
  • the drive roller 19 and the cable 18 are set up in such a way that a drive force transmission from the drive roller 19 to the cable 18 exclusively with the aid of a Frictional connection takes place.
  • a friction surface 24 of the drive roller 19 is formed between the drive roller 19 and the cable 18.
  • the friction surface 24 can be circular cylinder-shaped.
  • the rope 18 has a wrap angle a around the drive roller 19 between 360 ° and 540 °, preferably between 400 ° and 500 °, more preferably between 425 ° and 475 ° and even more preferably between 445 ° and 455 °.
  • the loop angle a is exactly 450 °.
  • This can also be referred to as 1.25 rope wraps around the drive roller 19.
  • the maximum tensile force F1 that pulls on the lever section 21 can be set or limited.
  • the door opening and closing device 17 comprises a spring element 25 which is connected to the base support 15 and to the cable 18 and which is set up to at least partially compensate for a weight G of the door 3.
  • a second end section 26 of the cable 18 is connected to the spring element 25.
  • the spring element 25 is designed as a helical spring or cylinder spring and in particular as a tension spring.
  • the spring element 25 comprises a first end section 27, which is connected to the second end section 26 of the cable 18.
  • the spring element 25 has a second end section 28 which is firmly connected to the base support 15. If the drive element 20 drives the drive roller 19 in such a way that the door 3 executes an opening movement, then the spring element 25 is elongated.
  • the domestic dishwasher 1 comprises a deflection roller 30 which can be rotated about an axis of rotation 29 and which is set up to deflect the cable 18 between the drive roller 19 and the door 3.
  • a Ver course of the rope 18 can be designed.
  • the wrap angle a can be increased or adapted to the geometric boundary conditions of the base support 15.
  • the cable 18 and the drive roller 19 are set up in such a way that when an opening angle ⁇ of the door 3 changes due to manual force F2 acting on the door 3, the cable 18 slips over the drive roller 19. This occurs in particular when the spring element 25 is abruptly relieved, in particular in the event of a rapid closure. io . the door 3 by means of manual force F2, and a spring force F3 on the second Endab section 26 of the cable 18 when the drive roller 19 is blocked.
  • the opening angle ⁇ is there at an angle that is spanned between the door 3 and a vertical plane V through which the pivot axis 5 extends.
  • the door opening and closing device 17 is designed, for example, in such a way that a combination of spring force F3 and weight G of the door 3 at every opening angle ⁇ of the door 3 results in a slip-free winding of the cable 18 onto the drive roller 19 and unwinding of the cable 18 from the drive roller 19 allows.
  • the door opening and closing device 17 comprises a control unit 31 which is set up to control the drive element 20 in such a way that the pivoting movement of the door 3 is effected.
  • the control unit 31 is also suitable for detecting a motor current I (FIG. 4) of the drive element 20.
  • the control unit 31 can be coupled to the drive element 20 with the aid of a signal connection 32.
  • the signal connection 32 can be a data line.
  • the signal connection 32 can also be wireless.
  • the control unit 31 is set up to control the drive element 20 in such a way that the door 3 executes a complete opening movement and / or a partial opening movement and / or a complete closing movement and / or a partial closing movement.
  • the control unit 31 and the drive element 20 are coupled to one another for signaling purposes with the aid of the signal connection 32.
  • the domestic dishwasher 1 comprises a user interface 33 which is set up to communicate with the control unit 31 for controlling the drive element 20.
  • a signal connection 34 is provided for this purpose.
  • the signal connection 34 can be a data line.
  • the signal connection 34 can also be wireless.
  • the user interface 33 preferably comprises a push button, a touch display, a microphone, a sensor or some other input device.
  • the drive element 20 is operatively connected to the drive roller 19 with the aid of a gear 35, in particular a worm gear.
  • the Ge gear 35 is arranged between the drive element 20 and the drive roller 19.
  • the drive roller 19 is rotated with the help of the drive element 20 and the gear 35 about an axis 36 of rotation.
  • the drive roller 19 has rotational symmetry with respect to the axis of rotation 36, for example.
  • the gear 35 is set up to inhibit the movement of the drive roller 19 when a torque is applied to the drive roller 19 from outside the gear 35. This case can occur, for example, when a user opens the door 3 manually so that the spring force F3 acts on the second end section 26 of the cable 18 and thereby applies a torque to the drive roller 19.
  • the torque of the drive element 20 is transmitted via the cable 18 or via the spring element 25 in the automatic operation of the door 3 on the one hand, and on the other hand, in the manual operation of the door 3, an uncontrolled falling of the door prevented with the help of rope friction. Breaking or tearing of the cable 18 and / or the spring element 25 can lead to an automatic opening of the door 3 after unlocking a door lock 37 (Fig. 2) of the door 3 that it falls into its open position without significant delay and thus uncontrolled . In this case there is a risk of injury to the user, especially to children. This must be prevented.
  • Fig. 4 shows a schematic diagram in which the motor current I of the Antriebsele element 20 is plotted over time t.
  • the control unit 31 is suitable for detecting the motor current I of the drive element 20.
  • the drive element 20 In order to verify whether there is a break in the spring element 25 and / or the cable 18, it is possible to control the drive element 20 with the door 3 closed and to evaluate a motor characteristic curve 38, 39 of the drive element 20. If the door opening and closing device 17 is intact, the drive element 20 must overcome the rope friction force in the form of a load torque. In the event that the spring element 25 and the rope 18 are intact, in FIG. 4 the Motor characteristic is provided with the reference symbol 38. If the spring element 25 and / or the cable 18 is broken, the drive element 20 rotates without a load torque. In FIG. 4, the motor characteristic curve with a broken spring element 25 and / or rope 18 is denoted by the reference symbol 39.
  • the control unit 31 detects the motor current I or the motor characteristic 38, 39.
  • the control unit 31 is also suitable for evaluating the motor current I or the motor characteristic 38, 39. The evaluation can be carried out in such a way that a start-up current 40 occurring in the motor characteristic curve 38, 39 when the drive element 20 starts up is not used to assess whether or not the spring element 25 and / or the cable 18 is broken.
  • a reference motor characteristic curve 41 can be recorded and stored in the control unit 31.
  • the control unit 31 compares the respective motor characteristic 38, 39 with the reference motor characteristic 41.
  • the calibration can be carried out, for example, at predetermined time intervals. If the motor characteristic curve 38, 39 deviates too much from the reference motor characteristic curve 41, it can be assumed that there is damage to the spring element 25 and / or the cable 18.
  • the permissible deviation of the motor characteristic 38, 39 from the reference motor characteristic 41 can be stored in a tolerance field in the control unit 31.
  • a limit value 42 of the motor current I can be stored in the control unit 31. If the motor characteristic 38 is above the limit value 42, it can be assumed that the spring element 25 and the cable 18 are intact. If the motor characteristic 39 is below the limit value 42, it can be assumed that the spring element 25 and / or the cable 18 has broken. In this case, for example, appropriate information, in particular a warning signal, can be output via the user interface 33. Furthermore, the information can also cause the automated opening of the door 3 to be switched off. The monitoring of the Federele element 25 and / or the rope 18 with the aid of an additional switch or sensor can thus be dispensed with. This evaluation of the motor current I is basically possible in both directions of rotation of the drive element 20.
  • the motor current I is evaluated in the closing direction of the door 3, here a door seal running around the loading opening 6 acts as a stop for the movement of the door 3.
  • a door seal running around the loading opening 6 acts as a stop for the movement of the door 3.
  • the monitoring of the motor current I can not only be used to monitor the spring element 25 and / or the cable 18, but it can also be monitored, for example, whether the door 3 is completely open or not. In this case, the door 3 rests against a mechanical stop in its completely open state. There is then a peak or a spike in the course of the motor current I, which can be used to assess whether the door 3 is fully open or not. This makes it possible to dispense with an additional limit switch, which can be used to monitor an end position of the door 3. Furthermore, the measurement of the motor current I can be carried out continuously during a closing process or an opening process of the door 3.
  • FIG. 5 shows schematically, using a time line, an example of how the monitoring of the motor current I can be carried out.
  • the door 3 is opened manually or automatically.
  • the door 3 is closed again manually or automatically.
  • the drive element 20 is activated and the motor current I is monitored. If the spring element 25 and the cable 18 are intact, the motor characteristic 38 is obtained according to FIG. 4. If the spring element 25 and / or the cable 18 is broken, the motor characteristic 39 is obtained according to FIG Control unit 31 give out the information that the spring element 25 and / or the rope 18 are damaged.
  • the door 3 is opened again manually or automatically at a point in time t3. There is no monitoring of the motor current I over a period of time ⁇ t between the point in time t2 and the point in time t3, since the spring element 25 is relaxed except for its bias during this period of time ⁇ t. Since a breakage of the spring element 25 and / or the cable 18 is therefore very unlikely during the period of time ⁇ t, monitoring of the motor current I can be dispensed with.
  • the door 3 is again closed manually or automatically.
  • the motor current I is analyzed, as explained above.
  • FIG. 6 shows a schematic block diagram of an embodiment of a method for operating the household dishwasher 1.
  • a step S1 the door 3 is closed manually or automatically.
  • the Antriebsele element 20 is controlled with the help of the control unit 31 with the door 3 closed.
  • the motor current I or the motor characteristic 38, 39 of the drive element 20 is recorded in a step S3.
  • the motor current I or the motor characteristic curve 38, 39 is evaluated by the control unit 31 to determine whether the door opening and closing device 17 is functional or not.
  • the door opening and closing device 17 is unable to function, for example if the spring element 25 and / or the cable 18 breaks.
  • a separate switch or sensor for monitoring the door opening and closing device 17 or the spring element 25 and / or the cable 18 can advantageously be dispensed with in the household dishwasher 1.
  • V vertical plane a wrap angle ß opening angle

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

L'invention concerne un lave-vaisselle domestique (1) comprenant un contenant de lavage (2), une porte (3) qui est montée de manière pivotante sur le contenant de lavage (2), un dispositif d'ouverture et de fermeture de porte (17) pour l'ouverture et la fermeture automatisées de la porte (3), et une unité de commande (31) pour commander le dispositif d'ouverture et de fermeture de porte (17), l'unité de commande (31) étant conçue pour détecter un courant de moteur (I) d'un élément d'entraînement (20) du dispositif d'ouverture et de fermeture de porte (17) et pour déterminer si le dispositif d'ouverture et de fermeture de porte (17) est opérationnel ou non opérationnel.
EP20781311.4A 2019-09-25 2020-09-17 Lave-vaisselle domestique et procédé Pending EP4033953A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019214619.8A DE102019214619A1 (de) 2019-09-25 2019-09-25 Haushalts-Geschirrspülmaschine und Verfahren
PCT/EP2020/075945 WO2021058364A1 (fr) 2019-09-25 2020-09-17 Lave-vaisselle domestique et procédé

Publications (1)

Publication Number Publication Date
EP4033953A1 true EP4033953A1 (fr) 2022-08-03

Family

ID=72665221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20781311.4A Pending EP4033953A1 (fr) 2019-09-25 2020-09-17 Lave-vaisselle domestique et procédé

Country Status (5)

Country Link
US (1) US11805961B2 (fr)
EP (1) EP4033953A1 (fr)
CN (1) CN114449935A (fr)
DE (1) DE102019214619A1 (fr)
WO (1) WO2021058364A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102156573B1 (ko) * 2019-06-25 2020-09-16 (주)세고스 텐션 유지 기능을 갖는 힌지 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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DE4137080A1 (de) * 1991-11-12 1993-05-13 Miele & Cie Haushaltgeraet, insbesondere geschirrspuelmaschine oder herd mit einem durch eine geraetetuer verschliessbaren spuel- oder backraum
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US20030084928A1 (en) * 2001-11-07 2003-05-08 Wood John T. Control for multiple compartment dishwasher
DE102004003536A1 (de) * 2004-01-23 2005-08-11 BSH Bosch und Siemens Hausgeräte GmbH Flüssigkeitsführendes elektrisches Haushaltsgerät
DE102005028448B4 (de) 2005-06-17 2007-09-27 Miele & Cie. Kg Geschirrspülmaschine
DE102009026670A1 (de) 2009-06-03 2010-12-09 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät
DE102011050914A1 (de) * 2011-06-08 2012-12-13 Miele & Cie. Kg Geschirrspülmaschine
DE102015226559A1 (de) * 2015-12-22 2017-06-22 BSH Hausgeräte GmbH Hebevorrichtung, Verfahren zum Betreiben einer Hebevorrichtung und Geschirrspülmaschine
CN105800434B (zh) * 2016-05-31 2018-08-07 广州广日电梯工业有限公司 开关门异常的变频检测系统及方法
DE102017223266A1 (de) * 2017-07-18 2019-01-24 BSH Hausgeräte GmbH Geschirrspülmaschine mit zumindest einer Lufttrocknungseinrichtung
DE102017218493A1 (de) * 2017-10-17 2019-04-18 BSH Hausgeräte GmbH Haushaltsgerät
CN109030030A (zh) * 2018-08-16 2018-12-18 杭州容大智造科技有限公司 一种利用电流检测悬挂系统的设备及方法
TR201902445A2 (tr) * 2019-02-19 2020-09-21 Vestel Beyaz Esya Sanayi Ve Ticaret Anonim Sirketi Otomatik kapı açma sistemi ve ilgili yöntem.

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US11805961B2 (en) 2023-11-07
CN114449935A (zh) 2022-05-06
DE102019214619A1 (de) 2021-03-25
WO2021058364A1 (fr) 2021-04-01

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