WO2007115587A1 - Appareil ménager - Google Patents

Appareil ménager Download PDF

Info

Publication number
WO2007115587A1
WO2007115587A1 PCT/EP2006/009626 EP2006009626W WO2007115587A1 WO 2007115587 A1 WO2007115587 A1 WO 2007115587A1 EP 2006009626 W EP2006009626 W EP 2006009626W WO 2007115587 A1 WO2007115587 A1 WO 2007115587A1
Authority
WO
WIPO (PCT)
Prior art keywords
household appliance
vibration
microphone element
electric signal
appliance according
Prior art date
Application number
PCT/EP2006/009626
Other languages
English (en)
Inventor
Sergey Argudyaev
Sergey Leonenkov
Claudio Cenedese
Oleg Potantsev
Original Assignee
Electrolux Home Products Corporation N.V.
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 Electrolux Home Products Corporation N.V. filed Critical Electrolux Home Products Corporation N.V.
Publication of WO2007115587A1 publication Critical patent/WO2007115587A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture

Definitions

  • the present invention relates to a household appliance and a method for controlling a household appliance .
  • Household appliances such as refrigerators, dishwashers, etc. are usually provided with a user interface comprised of buttons, knobs, switches, a display and the like placed on the front panel of the appliance .
  • a household appliance comprising a microphone element associated with at least one surface of the household appliance such that at least one vibration occurring in the surface (s) is transferred to the microphone element, which is adapted to generate an electric signal in accordance with the vibration (s) , and control means for generating a control signal in accordance with the electric signal for execution of a household appliance operation.
  • the invention is based on the understanding that an "invisible" tactile user interface can be realized by using a microphone element to detect vibrations caused by a user knocking on the surface from the outside and by controlling the appliance in accordance with the detected vibrations.
  • This user interface is especially useful for, but not limited to, built-in household appliances, where the appliance usually is covered by an exterior panel and where traditional controls and displays on the front side of the appliance is not a feasible option.
  • a user can simply knock on the front cover or any exterior panel to execute commands, such as opening the appliance's door.
  • Such functionality is especially advantageous for disabled people or when the user's hands are busy.
  • the control means is adapted to initiate a certain household appliance operation depending on the nature of the vibration (s) , such as the number of vibrations detected during a predetermined time period and/or the strength of the vibration (s) .
  • the vibration s
  • one detected vibration corresponding to one knock by the user
  • two knocks could cause the appliance to vocally announce its status (for instance by means of a loudspeaker)
  • three knocks could cause the appliance to open its main door, etc.
  • the household appliance preferably comprises processing means to distinguish vibrations related to user's knocks on the surface from minor acoustic noise and disturbances caused by the appliance itself or other external events.
  • the processing means comprises a peak detector, a low pass filter, a differential circuit, and an analog-to-digital converter connected in series for processing the electric signal.
  • the processing means may be adapted to indicate a vibration or vibrations if the processed electric signal exceeds a predetermined threshold.
  • the microphone element used in the household appliance according to the invention is preferably a passive element, such as an electret microphone. An electret microphone is cheap and may have long-term stability and flat response which is advantageous for a measuring microphone.
  • the microphone element may be a piezoelectric (ceramic) element or an electrodynamic microphone.
  • the microphone element is preferably mounted to one of the at least one surface, to best pick up vibrations occurring in that surface.
  • it can be mounted inside of the household appliance such that the vibration (s) occurring in one or more of the at least one surface can be sensed.
  • such a surface could be a front panel, a side panel, or a top panel of the household appliance.
  • These surfaces are usually made of solid materials such as plastics, steel, or wood, and they have excellent sound conduction making the detection of knocks by means of the microphone element feasible.
  • the surface (s) could be covered by an external panel (used mainly for aesthetic purposes) without significantly affecting the knock detection capability.
  • the household appliance discussed above can for example be an oven, a microwave oven, a refrigerator, a freezer, a dishwasher, a laundering machine, or a tumbler dryer .
  • a method for controlling a household appliance comprises receiving an electric signal from a microphone element associated with at least one surface of the household appliance, which electric signal is generated by the microphone element in accordance with at least one vibration occurring in the surface (s), and generating a control signal in accordance with the electric signal for execution of a household appliance operation.
  • FIG. 1 schematically illustrates a household appliance with an "invisible" tactile user interface according to the invention
  • Fig. 2 illustrates the processing means according to an embodiment of the invention
  • Figs. 3a-3d illustrate the operation of the processing means of fig. 2.
  • FIG. 1 schematically illustrates a household appliance 10 according to an embodiment of the invention.
  • the household appliance 10 may for example be a dishwasher, a refrigerator, a microwave oven, etc.
  • the household appliance comprises a front panel 12, a side panel 14, and a top panel 16.
  • the front panel may optionally be covered by an exterior panel 18, which exterior panel 18 usually is designed to have a similar look as surrounding furniture (not shown) .
  • a microphone element 20 is mounted to the inside of the front panel 12.
  • the microphone element 20 is preferably an electret microphone.
  • the microphone element 20 can be attached to the inside of the front panel 12 by means of a simple housing (not shown), for example. Further, several microphone elements can be used, to increase the accuracy.
  • the microphone element 20 is connected to processing means 22, which in turn is connected to control means 24.
  • the processing means 22 and the control means 24 may be formed by a single unit, such as a microcontroller unit.
  • a microcontroller unit is an existing microcontroller unit of the household appliance 10.
  • the microphone element 20, processing means 22, and control means 24 form part of an "invisible" tactile user interface of the household appliance 10.
  • the user interface as well as the processing and control means 22, 24 will be explained in more detail below.
  • the knock causes a repercussion and a vibration pulse of the panel 12 which is detected by the microphone element 20.
  • the panel 12 should be made of a material with good sound conduction, such as plastics, steel, or wood.
  • a vibration induced in the exterior panel 18 when a user is knocking on the same is transferred to the underlying front panel 12, where it is picked up by the microphone element 20.
  • the microphone element 20 could be mounted directly to the exterior panel 18, which may narrow the microphone's selectivity.
  • the microphone element 20 then generates an electric signal in accordance with the vibration (s) occurring in the panel 12, which electric signal is passed on to the processing means 22 to distinguish vibrations related to user' s knocks on the panel 12 from minor acoustic noise and disturbances caused by the appliance itself or other external events .
  • the signal from the processing means 22 is than passed on to the control means 24, which generates a control signal in accordance with the processed electric signal for execution of the requested household appliance operation. For example, if the signal indicates one knock on the front panel, the control means 24 may initiate a vocal announcement of the appliance's status by means of a loudspeaker 26 (the loudspeaker could be an existing loudspeaker) . Two consecutive knocks could cause the appliance to halt its operation. Three consecutive knocks could cause the appliance to open its main door (not shown) , and so on.
  • the processing means 22 comprises a peak detector 28, a low pass filter 30, a differential circuit 32, an analog-to-digital converter 34, and a processing unit 36 connected in series as illustrated in fig. 2.
  • the peak detector 28 extracts an envelope from the amplitude modulated signal from the microphone element 20.
  • An exemplary signal from the microphone element 20 caused by three consecutive knocks is illustrated in fig. 3a.
  • the low pass filter 30 then cuts all interference, resulting in the signal illustrated in fig. 3b. Then, the differential circuit 32 sharpens the signal, resulting in the signal illustrated in fig. 3c. Finally, the signal in fig. 3c is applied to the analog-to-digital converter 34 and passed to the processing unit 36.
  • the processing unit 36 samples the signal from the analog-to-digital converter 34, as illustrated in fig. 3d. Each sampling is indicated by X. The time between each sampling is preferably about 1 ms .
  • the processing unit 36 then uses a predetermined threshold 28 which is selected so that any noise is rejected.
  • a knock is determined.
  • the threshold 28, the length of the protective pauses, and/or the required number of consecutive samples exceeding the threshold can be varied according to a given application.
  • the signal in fig. 3d "contains” three knocks during the predetermined time period T.
  • This information is then passed on to the control means 24, which takes action accordingly, such as stopping the washing program (in case the appliance 10 is a washing machine) or stopping the cooking cycle (in case the appliance 10 is an oven or the like) .
  • the control means 24 takes action accordingly, such as stopping the washing program (in case the appliance 10 is a washing machine) or stopping the cooking cycle (in case the appliance 10 is an oven or the like) .
  • the length of the vibration i.e. strength of the knock
  • certain household appliance operations can be associated with knocks of different durability.
  • processing means for instance the analog-to-digital converter 34 and the processing unit 36
  • the control means 24 can be integrated with the control means 24 in a single unit, such as an existing microcontroller unit of the household appliance 10.
  • the microphone element 20 could alternatively be mounted on the side panel 14 or the top panel 16, whereby a user should knock on the side panel 14 or top panel 16, respectively, to communicate with the appliance.
  • the microphone element 20 can be mounted inside the household appliance 10, for example on an existing printed circuit board inside the appliance, so as to detect vibrations in several surfaces of the appliance.
  • the whole casing (e.g. the front, top, and side panels) of the appliance can be used as reception area for the knocks. Further, when mounting the microphone element 20 inside of the appliance, no modification of the outer panels of the appliance is necessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • User Interface Of Digital Computer (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

L'invention concerne un appareil ménager (10) comprenant un élément de micro (20) associé à au moins une surface (12, 14, 16) de l'appareil ménager, de façon à transférer au moins une vibration apparaissant dans la (les) surface(s) jusqu'à l'élément de micro qui est conçu pour générer un signal électrique en fonction de la (des) vibration(s), ainsi que des moyens de commande (24) servant à générer un signal de commande en fonction du signal électrique afin d'exécuter une opération de l'appareil ménager. Cette vibration peut être générée par des coups frappés sur la surface par l'utilisateur, ce qui permet de réaliser une interface utilisateur tactile 'invisible'. L'invention concerne également un procédé servant à commander un appareil ménager.
PCT/EP2006/009626 2006-04-12 2006-10-05 Appareil ménager WO2007115587A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2006112158 2006-04-12
RU2006112158/28A RU2395853C2 (ru) 2006-04-12 2006-04-12 Бытовой электроприбор

Publications (1)

Publication Number Publication Date
WO2007115587A1 true WO2007115587A1 (fr) 2007-10-18

Family

ID=37814254

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2006/009638 WO2007115588A1 (fr) 2006-04-12 2006-10-05 Appareil ménager
PCT/EP2006/009626 WO2007115587A1 (fr) 2006-04-12 2006-10-05 Appareil ménager

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/009638 WO2007115588A1 (fr) 2006-04-12 2006-10-05 Appareil ménager

Country Status (4)

Country Link
EP (1) EP2027749B1 (fr)
CN (1) CN101356851B (fr)
RU (1) RU2395853C2 (fr)
WO (2) WO2007115588A1 (fr)

Cited By (9)

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Publication number Priority date Publication date Assignee Title
US20160091243A1 (en) * 2014-09-30 2016-03-31 Miele & Cie. Kg Domestic appliance comprising two or more appliance units
US20170191744A1 (en) * 2016-01-05 2017-07-06 Lg Electronics Inc. Refrigerator and control method thereof
EP3190364A1 (fr) * 2016-01-05 2017-07-12 LG Electronics Inc. Réfrigérateur
CN107110590A (zh) * 2015-08-25 2017-08-29 Lg 电子株式会社 冰箱
EP3245462A4 (fr) * 2016-01-05 2018-09-19 LG Electronics Inc. -1- Réfrigérateur et son procédé de commande
EP3441705A4 (fr) * 2016-04-04 2019-11-06 LG Electronics Inc. -1- Porte et appareil ménager comprenant celui-ci
US10598427B2 (en) 2016-01-05 2020-03-24 Lg Electronics Inc. Refrigerator and control method thereof
EP3637027A1 (fr) * 2014-10-17 2020-04-15 LG Electronics Inc. Réfrigérateur
US20220349236A1 (en) * 2015-06-11 2022-11-03 Lg Electronics Inc. Refrigerator and control method for refrigerator

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DE102015103874B4 (de) * 2015-03-17 2022-12-15 Miele & Cie. Kg Haushaltsgerät mit einer Einrichtung zur Klangausgabe
DE102018208719A1 (de) * 2018-06-04 2019-12-05 BSH Hausgeräte GmbH Hausgerät mit Körperschallwandler zur Audioausgabe
DE202018104824U1 (de) * 2018-08-22 2019-11-26 Eugster/Frismag Ag Haushaltsgerät mit einem Körperschallwandler
DE102019109618B3 (de) * 2019-04-11 2020-08-13 Konrad Gießibl Holzklangplatte
WO2022257508A1 (fr) * 2021-06-11 2022-12-15 海信视像科技股份有限公司 Réfrigérateur
CN115474140A (zh) * 2021-06-11 2022-12-13 海信视像科技股份有限公司 冰箱
CN115468355B (zh) * 2021-06-11 2024-03-01 海信视像科技股份有限公司 冰箱
CN115493352A (zh) * 2021-06-17 2022-12-20 海信（山东）冰箱有限公司 冰箱
CN115493351A (zh) * 2021-06-17 2022-12-20 海信（山东）冰箱有限公司 冰箱
US11632613B2 (en) * 2021-06-29 2023-04-18 Clay Laboratories, LLC Audio door system
DE102021129224A1 (de) 2021-11-10 2023-05-11 Diehl Ako Stiftung & Co. Kg Steuersystem für Küchengerät und Küchengerät mit solchem Steuersystem

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Cited By (52)

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Publication number Priority date Publication date Assignee Title
US20160091243A1 (en) * 2014-09-30 2016-03-31 Miele & Cie. Kg Domestic appliance comprising two or more appliance units
US10900710B2 (en) 2014-10-17 2021-01-26 Lg Electronics Inc. Refrigerator
US10890374B2 (en) 2014-10-17 2021-01-12 Lg Electronics Inc. Door and home appliance including the same
US10641546B2 (en) 2014-10-17 2020-05-05 Lg Electronics Inc. Refrigerator
EP3637027A1 (fr) * 2014-10-17 2020-04-15 LG Electronics Inc. Réfrigérateur
US11859429B2 (en) * 2015-06-11 2024-01-02 Lg Electronics Inc. Refrigerator and control method for refrigerator
US11851934B2 (en) * 2015-06-11 2023-12-26 Lg Electronics Inc. Refrigerator and control method for refrigerator
US11821249B2 (en) 2015-06-11 2023-11-21 Lg Electronics Inc. Refrigerator and control method for refrigerator
US11761255B2 (en) 2015-06-11 2023-09-19 Lg Electronics Inc. Refrigerator and control method for refrigerator
US20220349235A1 (en) * 2015-06-11 2022-11-03 Lg Electronics Inc. Refrigerator and control method for refrigerator
US20220349236A1 (en) * 2015-06-11 2022-11-03 Lg Electronics Inc. Refrigerator and control method for refrigerator
CN107110590B (zh) * 2015-08-25 2019-12-31 Lg 电子株式会社 冰箱
EP3686531A1 (fr) * 2015-08-25 2020-07-29 LG Electronics Inc. Réfrigérateur
CN107110590A (zh) * 2015-08-25 2017-08-29 Lg 电子株式会社 冰箱
AU2016312798B2 (en) * 2015-08-25 2019-10-03 Lg Electronics Inc. Refrigerator
US10578352B2 (en) 2015-08-25 2020-03-03 Lg Electronics Inc. Refrigerator
EP3168557A4 (fr) * 2015-08-25 2018-02-28 LG Electronics Inc. Réfrigérateur
EP4075084A1 (fr) * 2015-08-25 2022-10-19 LG Electronics Inc. Réfrigérateur
AU2020200048B2 (en) * 2015-08-25 2021-12-23 Lg Electronics Inc. Refrigerator
US10443925B2 (en) 2015-08-25 2019-10-15 Lg Electronics Inc. Refrigerator
US10808991B2 (en) 2015-08-25 2020-10-20 Lg Electronics Inc. Refrigerator
US10295249B2 (en) 2016-01-05 2019-05-21 Lg Electronics Inc. Refrigerator and control method thereof
EP4005438A1 (fr) * 2016-01-05 2022-06-01 LG Electronics Inc. Réfrigérateur
US10342363B2 (en) 2016-01-05 2019-07-09 Lg Electronics Inc. Refrigerator having panel assembly covering opening of outer plate of door
EP3677152A1 (fr) * 2016-01-05 2020-07-08 LG Electronics Inc. Réfrigérateur
EP3685708A1 (fr) * 2016-01-05 2020-07-29 LG Electronics Inc. Réfrigérateur et son procédé de commande
US10612838B2 (en) 2016-01-05 2020-04-07 Lg Electronics Inc. Refrigerator having panel assembly
US10612839B2 (en) 2016-01-05 2020-04-07 Lg Electronics Inc. Refrigerator having knock detection device
US10808990B2 (en) 2016-01-05 2020-10-20 Lg Electronics Inc. Refrigerator and control method thereof
CN106949689B (zh) * 2016-01-05 2020-10-23 Lg电子株式会社 冰箱及其控制方法
US10823495B2 (en) 2016-01-05 2020-11-03 Lg Electronics Inc. Refrigerator and control method thereof
US20190178568A1 (en) * 2016-01-05 2019-06-13 Lg Electronics Inc. Refrigerator and control method thereof
EP3190365B1 (fr) * 2016-01-05 2020-04-01 Lg Electronics Inc. Réfrigérateur et son procédé de contrôle
US10907894B2 (en) 2016-01-05 2021-02-02 Lg Electronics Inc. Refrigerator having a display at a rear side of a door pane through which inside can be viewed from outside thereof via user input
EP3892945A1 (fr) * 2016-01-05 2021-10-13 LG Electronics Inc. Réfrigérateur et son procédé de commande
US10598427B2 (en) 2016-01-05 2020-03-24 Lg Electronics Inc. Refrigerator and control method thereof
EP3537072A1 (fr) * 2016-01-05 2019-09-11 LG Electronics Inc. Réfrigérateur
US10588428B2 (en) 2016-01-05 2020-03-17 Lg Electronics Inc. Refrigerator having panel assembly covering opening of outer plate of door
EP3245462A4 (fr) * 2016-01-05 2018-09-19 LG Electronics Inc. -1- Réfrigérateur et son procédé de commande
EP3190366B1 (fr) * 2016-01-05 2020-03-11 Lg Electronics Inc. Réfrigérateur
EP4111913A1 (fr) * 2016-01-05 2023-01-04 LG Electronics Inc. Réfrigérateur
US11709017B2 (en) 2016-01-05 2023-07-25 Lg Electronics Inc. Refrigerator and control method thereof
EP4230090A1 (fr) * 2016-01-05 2023-08-23 LG Electronics Inc. Réfrigérateur
US11906241B2 (en) 2016-01-05 2024-02-20 Lg Electronics Inc. Refrigerator having panel assembly
US11779135B2 (en) 2016-01-05 2023-10-10 Lg Electronics Inc. Refrigerator having panel assembly covering opening of outer plate of door
US11781806B2 (en) 2016-01-05 2023-10-10 Lg Electronics Inc. Refrigerator having panel assembly
CN106949689A (zh) * 2016-01-05 2017-07-14 Lg电子株式会社 冰箱及其控制方法
EP3190364A1 (fr) * 2016-01-05 2017-07-12 LG Electronics Inc. Réfrigérateur
US11859900B2 (en) 2016-01-05 2024-01-02 Lg Electronics Inc. Refrigerator and control method thereof
US20170191744A1 (en) * 2016-01-05 2017-07-06 Lg Electronics Inc. Refrigerator and control method thereof
US11892232B2 (en) 2016-01-05 2024-02-06 Lg Electronics Inc. Refrigerator having panel assembly
EP3441705A4 (fr) * 2016-04-04 2019-11-06 LG Electronics Inc. -1- Porte et appareil ménager comprenant celui-ci

Also Published As

Publication number Publication date
EP2027749A1 (fr) 2009-02-25
RU2395853C2 (ru) 2010-07-27
RU2006112158A (ru) 2007-10-20
CN101356851B (zh) 2013-11-13
EP2027749B1 (fr) 2017-08-16
CN101356851A (zh) 2009-01-28
WO2007115588A1 (fr) 2007-10-18

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