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
  • A47L15/0018—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
  • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
  • A47L15/0063—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control using remote monitoring or controlling of the dishwasher operation, e.g. networking systems
• • 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
  • A47L2401/34—Other automatic detections
• • 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
  • A47L2501/28—Machine starting, e.g. normal start, restart after electricity cut-off or start scheduling
• • 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
  • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply

Definitions

• the present invention relates to a domestic dishwasher and a method for operating a domestic dishwasher.
• Conventional household dishwashers have, for example, an automatic safety device which ensures that the domestic dishwasher is started only when the user has ensured that a washing program can be carried out safely. Especially in infants and pets there is a risk that they climb into the washing of a household dishwasher.
• an automatic safety device which ensures that the domestic dishwasher is started only when the user has ensured that a washing program can be carried out safely.
• infants and pets there is a risk that they climb into the washing of a household dishwasher.
• the start is inhibited if the door is not closed within a predetermined period of time after the programming of the start.
• Domestic dishwashers are also known which enable remote triggering of the start, for example via a corresponding app on the user's smartphone.
• This remote activation requires a similar activation: The user, if he wants to use this function, must activate the remote trigger function when closing the door. This is done for example by pressing a corresponding control element. If the door is then opened again, however, the remote trigger function is deactivated again. If the user then forgets to operate the corresponding control element again, the remote trigger function is therefore disadvantageously not available.
• an object of the present invention is to provide an improved household dishwasher.
• a domestic dishwasher with a control device for carrying out a wash program from a number of wash programs for washing dishes arranged in a wash chamber has an optical sensor for detecting an optical sensor Signals of the washing chamber and an evaluation unit.
• the evaluation unit is set up to determine a safe operating state of the domestic dishwasher as a function of the detected optical sensor signal.
• the household dishwasher for example, has a washing container with a bottom, a ceiling, a rear wall and two side walls.
• the rinsing container thus forms, for example, a cuboid open on one side, the opening being designated, for example, as a charging opening, and a door being provided by means of which the charging opening can be closed.
• the door and the rinsing container form, in particular, the rinsing chamber, in which, for example, one or more items to be washed are arranged so as to be extensible for receiving items to be washed.
• different functional components of the domestic dishwasher are arranged, such as one or more spray arms.
• the control device can be implemented in hardware and / or software technology.
• the control device may be designed, for example, as a computer or as a microprocessor.
• the control device can be designed as a computer program product, as a function, as a routine, as part of a program code or as an executable object.
• the control device comprises a memory unit for storing the number of washing programs.
• the individual washing programs of the number differ, for example, in a sequence of partial program steps, such as pre-washing, cleaning, rinsing and / or drying, and in one or more parameter values.
• Parameter values include a purge float temperature in individual part program steps, a duration of individual part program steps, a pump speed, a water amount, and an amount of added detergent and / or different times of adding detergent.
• the optical sensor is designed in particular as an optoelectronic sensor which provides an analog electrical signal as a function of an optical signal as the optical sensor signal. This offers the advantage that the optical sensor can be produced and used on a microchip in integrated construction and thus saves space and material as well as inexpensively. Furthermore, the analog electrical signal can be converted into a digital signal with little effort, for example by means of an A D converter, and then processed digitally.
• the optical sensor is arranged in the household dishwasher in such a way that it detects an optical sensor signal of the washing chamber of the household dishwasher. This is fulfilled, for example, if there is a line of sight from the optical sensor to the rinsing chamber.
• the optical sensor is arranged on the ceiling of the washing container, on the rear wall of the washing container and / or on a door of the household dishwasher, which forms the flushing chamber with the washing container in the closed state.
• the optical sensor signal detected by the optical sensor therefore also includes in particular all objects and / or objects arranged in or located in the rinsing chamber. These are in particular the Spülgutabilityn and therein arranged
• the optical sensor is in particular configured to detect the optical sensor signal over a broad spectral range, which is not limited to the optical spectral range.
• the optical sensor includes, for example, a camera, in particular a digital camera, for example with a CCD sensor (CCD: Charged Coupled Device).
• the camera captures, for example, an image and / or an image sequence of the component.
• Supporting can be provided a lighting device which illuminates in particular the entire rinsing chamber.
• This lighting device can in particular be designed as a narrow-band light source, such as a laser.
• the illumination device may be formed as a broadband light source, such as a light bulb and / or a flash unit.
• the evaluation unit can be implemented in terms of hardware and / or software. In a hardware implementation, the respective unit
• Evaluation unit for example, be designed as a computer or as a microprocessor.
• the evaluation unit can be designed as a computer program product, as a function, as a routine, as part of a program code or as an executable object.
• the evaluation unit can be designed as a part of the control device.
• the evaluation unit is set up to determine a safe operating state of the domestic dishwasher as a function of the detected optical sensor signal.
• the evaluation unit processes and / or analyzes the detected optical sensor signal in such a way that it ascertains safety-relevant circumstances for the operation and / or starting and execution of the washing program. This ensures a safe operating state of the household dishwasher. For example, the evaluation unit determines whether a living being, in particular a child or a pet, is in the rinsing chamber. Then, the evaluation unit determines that the operating state of the domestic dishwasher is not safe.
• the evaluation unit is set up to determine an unsafe operating state of the domestic dishwasher, to prevent a start of the washing program, to output information to the user and / or to carry out a further predetermined action.
• the further predetermined action may include, for example, automatic door opening and / or triggering of an emergency stop switch of the household dishwasher.
• the evaluation unit is set up to perform a predetermined action as a function of the determined safe operating state.
• the predetermined action includes outputting information to the user of the household dishwasher.
• the information can be displayed both visually and acoustically and / or haptically, for example by means of a display. geelements, by means of a speaker and / or by means of a vibration unit.
• the information is transmitted by means of a communication unit to an external control device, such as a smartphone of the user, and processed and output on this by a suitable app.
• the evaluation unit is set up to block or release a start of the washing program as a function of the determined safe operating state.
• the evaluation unit is set up to determine a living being in the rinsing chamber as a function of the detected optical sensor signal.
• the optical sensor comprises an infrared sensor.
• larger animals such as children and pets, emit infrared radiation.
• This infrared radiation can be detected by the infrared sensor.
• the detected optical sensor signal then has a corresponding shape, so that the evaluation unit can infer the presence of a living being. If the evaluation unit determines a living being in the rinsing chamber, this corresponds in particular to an unsafe operating state.
• the evaluation unit is set up to block the start of the washing program in a determined living being in the washing chamber.
• the optical sensor comprises an optical motion sensor, wherein the evaluation unit is adapted to determine a movement in the rinsing chamber.
• the motion sensor is provided in particular supportive for determining the safe operating state if it is used at times when no rinsing program is performed.
• the motion sensor is further suitable for, for example, a proper movement during the execution of a wash program to detect the spray arms of the dishwasher.
• the optical motion sensor therefore fulfills a dual function.
• a combination of different sensor types can maximize security in determining the safe operating condition.
• the evaluation unit is set up to block the start of the washing program during a determined movement in the washing chamber.
• the latter has an illumination device for illuminating the rinsing chamber during the detection of the optical sensor signal.
• the optical sensor comprises a camera, wherein the optical sensor signal comprises an image and / or a video of the rinsing chamber.
• the evaluation unit is set up to perform an image analysis of the captured image and / or video.
• the domestic dishwasher has a receiving unit for receiving a start signal from an external control unit for remote start of the washing program.
• the evaluation unit is set up to block or release the start of the wash program initiated by the received start signal as a function of the determined safe operating state.
• the receiving unit is designed in particular as a modem and / or a network adapter and is set up to receive the start signal by means of a network, such as a LAN, a WLAN and / or a mobile radio network.
• the external control unit is designed in particular as a smartphone on which a corresponding app is running.
• the receiving unit can also be designed for bidirectional communication. This means, in particular, that the receiving unit can also be set up to transmit data.
• the evaluation unit intercepts the received start signal before the control device.
• the control device when it receives a start signal, first interrogates the safe operating state at the evaluation unit and, depending on the response, carries out or terminates the start.
• the latter has an automatic dosing system which has a storage container for receiving a supply of cleaning agent and which is set up to automatically add detergent into the rinsing chamber during the execution of the rinsing program.
• This embodiment is particularly advantageous for a remote start function since it allows the user to select from different wash programs on the way, for example, which presuppose different detergents.
• a method for operating a domestic dishwasher with a control device for carrying out a wash program from a number of wash programs for washing dishes arranged in a wash chamber is proposed. In a first method step, a start signal for starting the wash program is detected.
• a user of the domestic dishwasher uses a remote start function for this purpose, wherein the start signal is transmitted from a user's smartphone to the household dishwasher.
• an optical sensor signal of the rinsing chamber is detected by means of an optical sensor.
• a safe operating state of the household dishwasher is determined by an evaluation unit as a function of the detected optical sensor signal of the rinsing chamber.
• the method may be provided to transmit the detected optical sensor signal to a mobile device, in particular a smartphone, and / or to a server, such as a backend.
• a mobile device in particular a smartphone
• a server such as a backend.
• the mobile device and / or the server are designed in particular as the evaluation unit and configured to determine the safe operating state as a function of the transmitted sensor signal.
• the determination of the secure operating state can be carried out in particular by an app that runs on the mobile device.
• a start of the wash program is either enabled or blocked by the evaluation unit as a function of the detected optical sensor signal of the wash chamber.
• further predetermined actions are possible, which the evaluation unit performs as a function of the detected optical sensor signal and / or the determined safe operating state.
• a computer program product is proposed, which causes the execution of the method as explained above on a program-controlled device.
• a computer program product such as a computer program means may, for example, be used as a storage medium, such as e.g. Memory card, USB stick, CD-ROM, DVD, or even in the form of a downloadable file provided by a server in a network or delivered. This can be done, for example, in a wireless communication network by transmitting a corresponding file with the computer program product or the computer program means.
• Fig. 1 shows a schematic perspective view of an embodiment of a household dishwasher
• Fig. 2 shows a schematic side view of another embodiment of a household dishwasher
• FIG. 3 shows a schematic block diagram of an exemplary method for operating a domestic dishwasher.
• FIG. 1 shows a schematic perspective view of an embodiment of a domestic dishwasher 1.
• the household dishwasher 1 comprises a washing container 2, which is closed by a door 3, in particular waterproof.
• a sealing device may be provided between the door 3 and the washing container 2 (not shown).
• the washing container 2 is preferably cuboid.
• the washing container 2 may be arranged in a housing of the household dishwasher 1.
• Rinse tank 2 and the door 3 can form a rinsing chamber 4 for rinsing items to be washed.
• the door 3 is shown in Fig. 1 in its open position. By pivoting about a provided at a lower end of the door 3 pivot axis 5, the door 3 can be closed or opened. With the help of the door 3, a charging opening 6 of the washing container 2 can be closed or opened.
• the rinsing container 2 has a base 7, a ceiling 8 arranged opposite the base 7, a rear wall 9 arranged opposite the closed door 3 and two opposite one another. lying side walls 10, 1 1 on.
• the bottom 7, the ceiling 8, the rear wall 9 and the side walls 10, 1 1 can be made for example of a stainless steel sheet. Alternatively, for example, the bottom 7 may be made of a plastic material.
• the domestic dishwasher 1 also has at least one Spülgutability 12, 13, 14.
• the Spülguting 12 may be provided, wherein the Spülguting 12 a lower Spülgutage or a lower basket, the Spülguting 13 an upper Spülgutage or upper basket and the Spülgutage 14 may be a cutlery drawer.
• the washware receptacles 12, 13, 14 are arranged one above the other in the washing container 2.
• Each Spülgutability 12 to 14 is either in the Spül responsibleer 2 in orußverlagerbar out of this.
• each Spülgutage 12, 13, 14 hineinschiebbar in an insertion direction E in the washing container 2 and opposite to the insertion direction E in an extension direction A from the washing compartment 2 pulled out.
• the domestic dishwasher 1 also has a control device 100 and an evaluation unit 120, which are arranged on the door 3.
• a trained as a camera optical sensor 1 10 is arranged on the ceiling 8 so that it is arranged for detecting an optical sensor signal of the washing chamber 4 and thus all of the washing chamber 4 included components and objects.
• the dashed lines below the camera 1 10 indicate a detection range of the camera 1 10.
• FIG. 2 shows a schematic side view of a further exemplary embodiment of a domestic dishwasher 1, for example a variant of the domestic dishwasher 1 of FIG. 1.
• the door 3 is closed so that the washing compartment 2 and the door 3 form the closed flushing chamber 4.
• the household dishwasher 1 of Fig. 2 has all the features of the domestic dishwasher of FIG. 1, wherein many of the features are not shown for reasons of clarity.
• the optical sensor 1 10 is arranged on the ceiling 8 of the washing compartment 2.
• the domestic dishwasher 1 has a lighting device 130 and a receiving unit 150.
• an external control unit 160 is shown, which is designed, for example, as a smartphone.
• the smartphone 160 is configured to establish a communication connection with the receiving unit 150, for example via a mobile radio network.
• a user can transmit a start signal S to the receiving unit 150 by means of the smartphone 160.
• the start signal S causes the control device 100 of the household dishwasher 1 to start a washing program.
• the start signal S may also include a selection of the wash program from a number of wash programs.
• a living being 140 for example a dog of the user, in the rinsing chamber 4.
• the dog 140 has jumped into the rinsing chamber 4 when the rinsing chamber 4 is loaded with items to be rinsed in a moment unobserved by the user and the user has closed the door 3 of the washing container 2 without noticing that the dog 140 is in the washing container 4.
• the user decides to carry out a wash program on the way. To do this, he opens the corresponding app on his smartphone 160, selects a wash program and confirms the selection.
• the smartphone 160 then sends the corresponding start signal S to the receiving unit 150 of the domestic dishwasher 1. This receives the start signal S and transmits it, for example, to the control device 100.
• the control device 100 is adapted to the safe operating state of the domestic dishwasher 1 before the start of the wash program account.
• the optical sensor 1 10 detects an optical sensor signal of the rinsing chamber 4, in the illustrated example with the assistance of the illumination device 130, which illuminates the rinsing chamber 4 during the detection of the optical sensor signal.
• the optical sensor 110 transmits the detected optical sensor signal to the evaluation unit 120, which then determines the safe operating state on the basis of the detected optical sensor signal.
• the evaluation unit 120 determines that the dog 140 is located in the rinsing chamber 4.
• the operating state of the domestic dishwasher 1 is therefore uncertain, and the evaluation unit 120 determines tels the operating state as unsafe, which is why the evaluation unit 120 stops the start of the wash program.
• the control device 100 will therefore not start.
• the evaluation unit 120 carries out a automatic door opening as a predetermined action, so that the dog 140 is freed from the rinsing chamber 4. Furthermore, information can be transmitted to the user.
• the receiving unit 150 is set up in particular for bidirectional communication with the external control unit 160.
• 3 shows a schematic block diagram of an exemplary embodiment of a method for operating a domestic dishwasher 1, for example, the household dishwasher 1 of FIG. 1 or FIG. 2.
• a start signal S for starting a flushing program is detected.
• the start signal S can in particular be received by an external control unit 160, such as a smartphone.
• an optical sensor 1 10 detects an optical sensor signal of the rinsing chamber 4.
• an evaluation unit 120 determines a safe operating state of the household dishwasher 1 as a function of the detected optical sensor signal. This means in particular that the evaluation unit 120 processes and checks the detected optical sensor signal.
• the evaluation unit 120 determines that a safe operating state is ensured. Then the washing program can be carried out as intended. In other situations, it may be that the evaluation unit 120 determines that the safe operating state is not guaranteed. Then it can be provided that the evaluation unit 120 blocks a start of the wash program. In this case, it may further be provided that an optical sensor signal is detected again at predetermined time intervals and the safe operating state is determined. Once the safe operating Condition is given, the wash program can be started, if the start signal S is then still valid.

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• Washing And Drying Of Tableware (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=62842130

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Citations (5)

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• 2017
  • 2017-07-19 DE DE102017212327.3A patent/DE102017212327A1/de active Pending
• 2018
  • 2018-07-06 US US16/619,101 patent/US20200154973A1/en not_active Abandoned
  • 2018-07-06 CN CN201880048030.6A patent/CN110958850A/zh active Pending
  • 2018-07-06 PL PL18737906.0T patent/PL3654817T3/pl unknown
  • 2018-07-06 WO PCT/EP2018/068333 patent/WO2019015993A1/de unknown
  • 2018-07-06 EP EP18737906.0A patent/EP3654817B1/de active Active

Patent Citations (5)

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