WO2023280576A1 - Commande d'un appareil électroménager - Google Patents

Commande d'un appareil électroménager Download PDF

Info

Publication number
WO2023280576A1
WO2023280576A1 PCT/EP2022/067084 EP2022067084W WO2023280576A1 WO 2023280576 A1 WO2023280576 A1 WO 2023280576A1 EP 2022067084 W EP2022067084 W EP 2022067084W WO 2023280576 A1 WO2023280576 A1 WO 2023280576A1
Authority
WO
WIPO (PCT)
Prior art keywords
household appliance
functional component
operating state
noise
control device
Prior art date
Application number
PCT/EP2022/067084
Other languages
German (de)
English (en)
Inventor
Philip Koene
Manuel KIRSCHNER
Original Assignee
BSH Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Hausgeräte GmbH
Priority to CN202280048062.2A priority Critical patent/CN117677324A/zh
Publication of WO2023280576A1 publication Critical patent/WO2023280576A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/52—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/52—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus
    • A47J31/525—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/26—Imbalance; Noise level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination

Definitions

  • the invention relates to the control of a household appliance.
  • the invention relates to the detection of an operating state of the household appliance.
  • a household appliance is set up to be used in a household.
  • the household appliance can be provided for laundry care, as a kitchen appliance or for cleaning the household.
  • Exemplary household appliances include a vacuum cleaner, a stove, a coffee maker, a washing machine, a dishwasher, a tumble dryer or an iron.
  • Each household appliance can have one or more sensors in order to improve the task assigned to it.
  • the household appliance can control a complex process, for example the preparation of a large number of different coffee specialties based only on water, coffee beans and milk.
  • the household appliance cannot fulfill its purpose satisfactorily. For example, a supply of equipment can be exhausted or a functional component can be defective. Dedicated sensors can be provided to detect such conditions. However, there are other operating states that can prevent the household appliance from functioning or require user intervention. For example, a clothes dryer may accidentally be loaded with a hard object; an auxiliary component of the household appliance can be defective or a sensor can provide an implausible sensor value. However, subtle or vague indications of a problem in the performance of the appliance's function usually go unnoticed.
  • An object underlying the present invention is to specify an improved technique for controlling a household appliance.
  • the invention solves this problem by means of the subject matter of the independent claims. Subclaims give be preferred embodiments.
  • a household appliance includes a functional component; a controller for controlling the functional component; and a microphone within the household appliance for sampling a noise caused by the functional component.
  • the control device is set up to determine an operating state of the household appliance on the basis of a scan and to control the functional component as a function of the operating state.
  • the invention is based on the idea that background noise within the household appliance can provide an indication of its operating status.
  • a noise caused by the functional component in particular an operating noise, can be changed depending on the prevailing circumstances, for example how full an operating medium container is, a temperature, a position of another component or a controlled activity of the household appliance.
  • Noises that can be scanned using the microphone can be assigned to an operating state on the basis of their acoustic signature. In this way, known unproblematic, known problematic and also unknown operating states can be identified.
  • a first variant it can be determined whether noises sampled by means of the microphone indicate a problematic operating state.
  • a second variant it can be determined whether the noises belong to an unknown operating state.
  • an adapted control of the functional component can be assigned to the operating state. If the operating state permits another function of the household appliance, then the functional component can be controlled in such a way that the operating state is influenced in a predetermined manner. In this way, the household appliance can react better to foreseeable or unforeseeable influences and, under certain circumstances, ensure its function.
  • the functional component can be turned off.
  • an attempt can be made to bring the household appliance into a safe state.
  • the household appliance includes a housing, with the microphone and the functional component being provided inside the housing.
  • the microphone is set up to sample airborne noise, i.e. pressure fluctuations in the atmosphere inside the household appliance.
  • the microphone can be placed in such a way that it is indirectly affected by a noise caused by the functional component.
  • a propagation path of sound between the functional component and the microphone can lead via a component that influences the noise or is superimposed with another noise.
  • the microphone has an omnidirectional characteristic, so that sound can find its way from the functional component to the microphone on different paths within the housing. As a result, a holistic acoustic impression of a function or an operating state of the household appliance can be obtained.
  • an operating condition requiring user intervention is determined.
  • the operating state can include that permanent operation of the household appliance under the present conditions cannot or should not be continued. If there is no known problem associated with the particular operating condition, the user may be prompted to confirm that there is in fact no problem. The operation of the household appliance can then be continued.
  • a noise assigned to the operating state can be stored or learned, so that the operating state can be recognized in the future and evaluated depending on the user's input.
  • the operating state can be detected on the basis of the noise, in particular by detecting an acoustic signature of the noise.
  • Methods of machine learning, in particular artificial intelligence, can be used for this.
  • an operating state can be detected using a neural network that is fed with a signal from the microphone.
  • the neural network is trained to recognize one or more predetermined operating states based on respectively assigned acoustic signatures.
  • the household appliance can be repeatedly brought into a predetermined operating state and a noise associated therewith can be presented to the neural network as part of supervised learning.
  • the operating state can be assumed several times, preferably by means of several household appliances of the same construction, with the noise being recorded in each case and a learning process being used as a basis.
  • control device is set up to recognize a large number of predetermined operating states of the household appliance. In this way, a differentiated statement can be made about the operability or an advisable procedure for controlling the household appliance.
  • the household appliance comprises a plurality of functional components, with the control device being set up to determine the operating state on the To determine the basis of noise of the functional components.
  • the functional components can interact and each produce noise that can be superimposed on the microphone.
  • a noise provided by a functional component can also be modified by another functional component, for example with regard to an attenuation of certain frequencies or in the case of multiple propagation (“multipath”) in the device.
  • a number of microphones are provided within the household appliance, with the control device being set up to determine the operating state on the basis of scanning of the microphones.
  • the microphones can be provided at different locations within the household appliance. With the right placement, an improved overall acoustic picture of the operating status can be sampled.
  • the control device is preferably set up to control the functional component in a predetermined time sequence in which the functional component causes different noises. Furthermore, the control device is configured to determine the operating state on the basis of sounds sampled during the course.
  • the timeline may include performing multiple sub-steps of a process that provides a desired end product. In the case of a coffee maker, this may include grinding coffee beans, brewing the ground beans, and frothing milk.
  • the phases can be evaluated acoustically individually or an operating state can be determined that includes several or all phases.
  • noises that do not contribute to or cause the operation of the household appliance are not taken into account.
  • noises that are uncorrelated with a function of the household appliance can be filtered out.
  • a further microphone is provided for detecting a noise caused outside the household appliance.
  • the control device is set up to remove the noise caused outside the household appliance from a signal from the microphone fitted inside the household appliance.
  • An acoustic interference signal from outside the household appliance can thus be removed from the useful signal from inside the household appliance.
  • This principle is known as “noise cancelling”.
  • a noise caused by the functional component but occurring outside the household appliance may be taken into account for determining the operating state.
  • an induction cooker can heat a pot of water until the water boils. The sound of boiling water is caused by a functional component of the cooker, namely an induction coil, and occurs outside the appliance.
  • the microphone provided outside the device can also provide a sample based on which the operating state can be better determined.
  • the operating state includes a defect in the functional component. If several functional components are provided, a distinction can be made as to which functional component is affected by the defect. In particular, it can be decided which functional component is the cause of a changed or impaired function of another functional component. The defect can thus be characterized more precisely. The control of the household appliance or its functional components can be improved as a result.
  • the control device is set up to determine an operating state in which a function of the functional component is influenced by an external situation.
  • the functional component can be determined that the functional component itself is free of defects.
  • an event or condition affecting the functional component can affect its intended function.
  • the functional component can be set up to act on an external object or to use a medium, an operating substance or an auxiliary substance. If the object, the medium, the operating material or the auxiliary material is not available in the way that was expected, the functional component can be influenced as a result.
  • a blender that is not immersed in a substance to be processed can make a characteristic operating noise that indicates a lack of the substance.
  • a coffee maker that has no coffee beans or water available may produce a distinctive noise when operating.
  • the domestic appliance can include an output device, with the control device being set up to provide an indication of a specific operating state.
  • the output device can be directed at a person in the vicinity of the household appliance or can be set up to be connected to another device.
  • the output device comprises a wireless interface that is set up to indicate a predetermined, remote device. advises to send.
  • This device can in particular include a mobile device, in particular a mobile phone or a tablet computer, of a user or another person responsible for the household appliance.
  • information about specific operating states of a large number of different household appliances can be collected and evaluated centrally.
  • a method for controlling a household appliance with a functional component comprises the steps of sampling a noise caused by the functional component within the household appliance; determining an operating state of the home appliance based on the sampled noise; and controlling the functional component as a function of the determined operating state.
  • the method can be carried out by means of a processing device which is part of a domestic appliance described herein.
  • the method can be in the form of a computer program product with program code means.
  • the processing device may comprise a programmable microcomputer or microcontroller.
  • the computer program product can also be stored on a computer-readable data carrier. Additional features or advantages of the method can be transferred to the device or vice versa.
  • FIG. 1 shows a schematic representation of an exemplary household appliance
  • FIG. 2 shows a flow chart of a method for controlling a household appliance.
  • FIG. 1 shows a schematic representation of an exemplary household appliance 100.
  • the household appliance 100 is designed as an integrated coffee machine; in other embodiments, however, the household appliance 100 can also comprise another appliance to be used in a household.
  • the household appliance 100 comprises a functional component 105 and a control device 110.
  • Several functional components 105 are provided here, namely a pump 115 and a heater 120.
  • at least one internal microphone 125 fitted inside the household appliance 100 and, optionally, an external microphone 130 are provided.
  • the internal Microphone 125 is set up to sample a noise that is caused by a functional component 105 of the household appliance 100 .
  • the internal microphone 125 is preferably located together with the functional component 105 in a housing of the household appliance 100.
  • the external microphone 130 is set up to capture a noise that was caused outside the household appliance 100. In particular, the noise can be caused by a person or another object in the area of the household appliance 100 .
  • the control device 110 is preferably set up to control a function of the household appliance 100 .
  • the control device 110 can in particular control one or more functional components 105 .
  • the control device 110 is set up to determine an operating state of the household appliance 100 on the basis of noises that can be sampled using the microphones 125 and 130 .
  • water is provided in a container 135 which can be pressurized by the pump 115 and heated by the heater 120 to be forced through ground coffee beans.
  • the resulting coffee drink can be caught in a cup 140 .
  • the pump 115 in particular can emit a characteristic noise, which can be picked up by means of the internal microphone 125. Ambient noises that can be detected by means of the external microphone 130 can be compensated for, so that noises within the household appliance 100 can be viewed in an improved isolated manner. Based on the detected noises, it can be determined whether the home appliance 100 is operating properly.
  • the pump 115 can cause a different noise, which can be determined by means of the internal microphone 125 and recognized by the control device 110 .
  • the pump 115 and the heater 120 can be switched off.
  • An indication of the specific operating state can also be provided by means of an optional output device 145 .
  • the output device 145 includes a wireless interface for communicating with a remote device. This can be assigned in particular to a user who can intervene in the operation of the household appliance 100 or ensure operability. In the example above, the user can be informed of a lack of water in the container 135, for example, which he can remedy by refilling the container 135 with water.
  • a local output device 145 is provided on the household appliance 100, which can inform the user of the specific operating state in a visual, acoustic or haptic manner, for example.
  • FIG. 2 shows a flow chart of a method 200 for controlling a household appliance 100.
  • the method 200 can be carried out in particular by means of a control device 110.
  • an internal noise of the household appliance 100 can be detected, as indicated by a symbolic graphic representation of a sound recording.
  • One or more internal microphones 125 can be used for this purpose.
  • an external noise can be detected on the household appliance 100, which is also indicated symbolically as a graphic representation. The detection can take place in particular by means of the external microphone 130 .
  • the detected noises can be processed, compensated for, mixed, weighted or otherwise combined with one another.
  • noise caused outside of the household appliance 100 can be removed from signals that are each caused by one or more functional components 105 of the household appliance 100 and sampled inside the household appliance 100 .
  • the aim of the compensation is to isolate noises that indicate an operating state of the household appliance 100 and to suppress other noises. Sounds from different internal microphones 125 can be combined or viewed separately. Signals that were detected at different points in the household appliance 100 can also be subtracted from one another in such a way that a specific noise or a noise at a predetermined point in the household appliance 100 is isolated.
  • an operating noise of the household appliance 100 can be detected.
  • the operating noise can result from the totality of several noises, each of which was caused by a functional component 105 of the household appliance 100 .
  • a time profile of the noises can also be taken into account.
  • the noises can be correlated with a control of the functional components 105 that is taking place.
  • a known noise can be associated with an operating condition.
  • An unfamiliar noise can also be identified.
  • a noise, especially if it indicates an unknown or undesired operating condition, can be localized in the household appliance 100 .
  • a component of the home appliance 100 that may be causing the noise can be identified based on the localization.
  • an operating state of the household appliance 100 can be determined on the basis of one or more detected noises and possibly taking into account an activation of functional components 105. If a noise can be detected but not recognized, this can indicate an undefined or unknown operating condition.
  • the determined operating condition can be evaluated. For example, the operating state can be assigned to a class of operating states that require a predetermined response.
  • a notification may be provided indicative of the particular operating condition. This can include a request to carry out a predetermined action. This action may be intended to resolve a problematic operating condition. The action can usually be performed by a person in the area of the household appliance 100 .
  • a functional component 105 of the household appliance 100 can be controlled as a function of the operating state determined. If it is an undesired operating state, an attempt can be made to control at least one functional component 105 in such a way that a less undesired operating state is assumed.
  • Gas stove Gas flame burns for a long time Turn off gas flow; audible alarm time; do not spend human activity; Making an emergency call detected in the area
  • Dishwashers Water beads up on plastic objects in the cleaning area
  • Dishwasher spray arm emits an acoustic alarm due to an object that is too large; Provide notification if blocked in cleaning room
  • Washing machine Imbalance in a washing drum Stop the drum; through pre-machined, adjusted rotating sequence newly balanced dryer; provide notification

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Un appareil électroménager comprend un composant fonctionnel ; un dispositif de commande pour commander le composant fonctionnel ; et un microphone à l'intérieur de l'appareil électroménager, pour échantillonner un bruit provoqué par le composant fonctionnel. Le dispositif de commande est conçu pour déterminer un état de fonctionnement de l'appareil électroménager sur la base d'un échantillonnage et pour commander le composant fonctionnel en fonction de l'état de fonctionnement.
PCT/EP2022/067084 2021-07-08 2022-06-23 Commande d'un appareil électroménager WO2023280576A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280048062.2A CN117677324A (zh) 2021-07-08 2022-06-23 家用电器的控制

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021207182.1A DE102021207182A1 (de) 2021-07-08 2021-07-08 Steuerung eines Haushaltsgeräts
DE102021207182.1 2021-07-08

Publications (1)

Publication Number Publication Date
WO2023280576A1 true WO2023280576A1 (fr) 2023-01-12

Family

ID=82358456

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/067084 WO2023280576A1 (fr) 2021-07-08 2022-06-23 Commande d'un appareil électroménager

Country Status (3)

Country Link
CN (1) CN117677324A (fr)
DE (1) DE102021207182A1 (fr)
WO (1) WO2023280576A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204455A1 (de) * 2002-02-05 2003-08-21 Miele & Cie Verfahren zur Beeinflussung und/oder Steuerung des Programmlaufs eines wasserführenden Haushaltgerätes, insbesondere Geschirrspülmaschine, sowie Geschirrspülmaschine zur Durchführung des Verfahrens
EP1887443A1 (fr) * 2006-08-10 2008-02-13 Electrolux Home Products Corporation N.V. Equipement ménager muni d'un détecteur d'ambiance et ayant un fonctionnement dépendant de conditions d'ambiance
DE102007058936A1 (de) * 2007-12-07 2009-06-10 BSH Bosch und Siemens Hausgeräte GmbH Sensoreinrichtung für ein Haushaltsgerät
EP2764806A1 (fr) * 2013-02-12 2014-08-13 Wmf Württembergische Metallwarenfabrik Ag Procédé de surveillance et/ou de commande d'un appareil de préparation de boissons et appareil de préparation de boissons destiné à mettre en 'uvre le procédé
DE102014223144A1 (de) * 2014-11-13 2016-05-19 BSH Hausgeräte GmbH Haushaltsgerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6742208B2 (en) 2001-08-24 2004-06-01 Maytag Corporation Clothes washing machine incorporating noise reduction system
DE102008013557A1 (de) 2008-03-11 2009-09-17 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsgerät mit einer Trommel und einem Sensor sowie Verfahren zu seinem Betrieb
DE102016102462A1 (de) 2016-02-12 2016-09-15 Miele & Cie. Kg Haushaltsgerät mit einer Steuereinrichtung zur Steuerung der elektrisch betriebenen Antriebsagregate des Gerätes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204455A1 (de) * 2002-02-05 2003-08-21 Miele & Cie Verfahren zur Beeinflussung und/oder Steuerung des Programmlaufs eines wasserführenden Haushaltgerätes, insbesondere Geschirrspülmaschine, sowie Geschirrspülmaschine zur Durchführung des Verfahrens
EP1887443A1 (fr) * 2006-08-10 2008-02-13 Electrolux Home Products Corporation N.V. Equipement ménager muni d'un détecteur d'ambiance et ayant un fonctionnement dépendant de conditions d'ambiance
DE102007058936A1 (de) * 2007-12-07 2009-06-10 BSH Bosch und Siemens Hausgeräte GmbH Sensoreinrichtung für ein Haushaltsgerät
EP2764806A1 (fr) * 2013-02-12 2014-08-13 Wmf Württembergische Metallwarenfabrik Ag Procédé de surveillance et/ou de commande d'un appareil de préparation de boissons et appareil de préparation de boissons destiné à mettre en 'uvre le procédé
DE102014223144A1 (de) * 2014-11-13 2016-05-19 BSH Hausgeräte GmbH Haushaltsgerät

Also Published As

Publication number Publication date
DE102021207182A1 (de) 2023-01-12
CN117677324A (zh) 2024-03-08

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