WO2012150216A1 - Plaque de cuisson pourvue d'un dispositif de commande opéré au moyen d'une caméra - Google Patents

Plaque de cuisson pourvue d'un dispositif de commande opéré au moyen d'une caméra Download PDF

Info

Publication number
WO2012150216A1
WO2012150216A1 PCT/EP2012/057917 EP2012057917W WO2012150216A1 WO 2012150216 A1 WO2012150216 A1 WO 2012150216A1 EP 2012057917 W EP2012057917 W EP 2012057917W WO 2012150216 A1 WO2012150216 A1 WO 2012150216A1
Authority
WO
WIPO (PCT)
Prior art keywords
insert
shielding device
cover
light source
hob
Prior art date
Application number
PCT/EP2012/057917
Other languages
German (de)
English (en)
Inventor
Martin Baier
Original Assignee
E.G.O. Elektro-Gerätebau 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 E.G.O. Elektro-Gerätebau GmbH filed Critical E.G.O. Elektro-Gerätebau GmbH
Publication of WO2012150216A1 publication Critical patent/WO2012150216A1/fr

Links

Classifications

    • 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
    • F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected

Definitions

  • the invention relates to a hob with a time-of-flight (TOF) - camera.
  • TOF time-of-flight
  • TOF cameras for home appliance control by means of control gestures are known.
  • TOF cameras usually have a light source that emits light pulses.
  • a light sensor in the form of a 2-dimensional sensor array with a larger number of individual sensors (pixels)
  • a period of time is measured until a transmitted light pulse strikes a respective sensor by reflection on objects in the room.
  • the measured time period corresponds to the distance of the object to the sensor.
  • the TOF camera can be arranged outside or inside the hob, for example below a glass ceramic plate.
  • the arrangement outside the hob has the disadvantage that the TOF camera is to be connected by means of cables for power supply and data transmission with a control unit. Furthermore, the TOF camera may be exposed to disturbing influences, such as water vapor, caused by a cooking process.
  • the light source should be near the light sensor.
  • the glass-ceramic plate is located in front of the light sensor and the adjacent light source, due to reflections, for example due to impurities in / on / on the glass ceramic plate light passes directly from the light source to the light sensor. A contribution of these reflections can be many times higher than a contribution from light, the distant object is reflected. Therefore, the function of the TOF camera may be limited or impossible.
  • the invention has for its object to provide a cooktop with a time-of-flight (TOF) camera for operator control available, in which the TOF camera is integrated to simplify the wiring in the hob and at the same time allows reliable gesture control.
  • TOF time-of-flight
  • the hob has at least one heating means, for example in the form of a conventional induction heating means or in the form of a conventional radiant heating means.
  • a flat, in particular translucent or partially or completely transparent, in particular for light in the infrared spectral at least partially transmissive, cover in particular a glass ceramic cover provided which covers the at least one heating means and on the at least one cooking means in combination with the at least one heating means is formed, wherein the cover has a cutout or a recess, for example in the form of a passage opening.
  • a conventional time-of-flight camera which is used for example for gesture control of the hob, ie for controlling hob functions by means of gestures, comprises: a light source for transmitting, in particular modulated, light pulses and a light sensor, in particular in the form of a two-dimensional , matrix-shaped pixel sensor array.
  • a translucent or partially or completely translucent insert and an optical shielding device are inserted into the cut-out of the cover such that the shielding device laterally surrounds the insert.
  • the light sensor is below the insert, within the border formed by the shielding device arranged and the light source is arranged au outside the border formed by the shielding.
  • the light source is disposed below the insert, within the border formed by the shielding and the light sensor is arranged outside the outside of the border formed by the shielding.
  • the shielding device it is ensured that the light source is optically shielded by the light sensor, so that light emitted by the light source passes into the light sensor substantially exclusively due to reflection at an object which may be present above the cover.
  • the invention thus enables the integration of the TOF camera in the hob, whereby a reliable gesture control is ensured due to the optical shielding.
  • the insert has a flat upper side and a flat underside in order to ensure the best possible image fidelity.
  • insert (circular) is cylindrical, wherein the cutout in the cover corresponding to a (circular) cylindrical passage opening.
  • the shielding device is a sleeve, a hollow cylinder or a thin-walled tube or tubes, in particular each made of metal.
  • a height of the shielding device is greater than a height of the cover.
  • an oven is additionally provided, wherein the time-of-flight camera also serves to control the gesture of the oven.
  • Fig. 1 shows a hob with a time-of-flight (TOF) camera in the
  • Fig. 1 shows schematically a hob with a heating means in the form of a conventional Strahlungs carvingschs or radiant heater. 1 It is understood that further heating means, not shown, can be provided.
  • a conventional, flat, flat, translucent glass ceramic cover 2 covers the radiant heater 1 and forms a cooking point in combination with this.
  • a conventional time-of-flight (TOF) camera with a light source 4 for transmitting modulated light pulses and a light sensor 5 in the form of a two-dimensional, matrix-shaped pixel sensor array is provided.
  • the TOF camera is used for gesture control of the hob.
  • the glass ceramic cover 2 has a cutout in the form of a circular cylindrical passage opening 3.
  • a translucent insert in the form of a solid circular cylinder 6, in particular made of glass ceramic, with a flat top and bottom and a circular cylinder 6 surrounding or peripheral optical shielding in the form of an opaque hollow cylinder or tube 7 are inserted into the circular cylindrical passage opening 3 of the glass ceramic cover 2 in that the tube 7 laterally surrounds the circular cylinder 6 and the tube 7 and the circular cylinder 6 substantially completely fill the passage opening 3.
  • a height of the tube 7 is at least as large (and in the present embodiment larger) than a height of the glass ceramic cover 2, so that the tube 7 in the inserted state downwards, ie on the side facing away from the cooking surface, protrudes.
  • the light sensor 5 is arranged in the inserted state of the insert 6 below the insert 6, within the border formed by the shielding device or the tube 7 and the light source 4 is arranged outside the border formed by the shielding device or the tube 7.
  • the insert 6 and the tube 7 can be glued together.
  • the composite of insert 6 and bonded tube 7 may also be glued to the glass ceramic cover 2.
  • the tube or the shielding device 7 On account of the tube or the shielding device 7, it is ensured that the light source 4 is optically shielded by the light sensor 5, so that light emitted by the light source 4 passes into the light sensor 5 essentially exclusively by reflection at an object which may be present above the glass ceramic cover 2.
  • the invention thus enables the integration of a TOF camera system in the hob, wherein due to the optical shielding 7 reliable gesture control is ensured.
  • the glass-ceramic cover 2 has a glass cut-out 3.
  • a glass or a translucent plastic 6 is again used, which is surrounded by a metal tube or an opaque hollow cylinder 7.
  • Under the glass 6 is the sensor 5, while the loading 4 outside and is shielded by the tube 7 optically from the sensor 5.
  • the light source 4 may be located under the glass 6, which is surrounded by the jacket 7 for optical shielding.
  • a glass insert 6 is not a conventional, knobbed glass ceramic used, but a glass ceramic with a flat surface on both sides. This is advantageous in order to be able to detect sufficiently sharp contours on the sensor 5.
  • the tube 7 can also extend beyond the upper level formed by the glass ceramic cover 2. This prevents a hot cooking pot from heating the glass ceramic to such an extent that the TOF camera system is damaged.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

L'invention concerne une plaque de cuisson qui comprend une caméra temps de vol disposée en dessous du revêtement vitrocéramique pour assurer la commande gestuelle de la plaque de cuisson, cette dernière présentant un appareil de protection optique (7) qui empêche que de la lumière réfléchie sur le revêtement vitrocéramique parvienne dans un capteur de la caméra temps de vol.
PCT/EP2012/057917 2011-05-03 2012-04-30 Plaque de cuisson pourvue d'un dispositif de commande opéré au moyen d'une caméra WO2012150216A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011075187.4 2011-05-03
DE102011075187A DE102011075187B3 (de) 2011-05-03 2011-05-03 Kochfeld

Publications (1)

Publication Number Publication Date
WO2012150216A1 true WO2012150216A1 (fr) 2012-11-08

Family

ID=46017895

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/057917 WO2012150216A1 (fr) 2011-05-03 2012-04-30 Plaque de cuisson pourvue d'un dispositif de commande opéré au moyen d'une caméra

Country Status (2)

Country Link
DE (1) DE102011075187B3 (fr)
WO (1) WO2012150216A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2564879A1 (es) * 2014-09-24 2016-03-29 BSH Electrodomésticos España S.A. Dispositivo de aparato doméstico
US10657719B2 (en) 2015-08-10 2020-05-19 Arcelik Anonim Sirketi Household appliance controlled by using a virtual interface

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203460A1 (de) 2012-03-05 2013-09-05 E.G.O. Elektro-Gerätebau GmbH Kochfeld
DE102021124881A1 (de) 2021-09-27 2023-03-30 Miele & Cie. Kg Kochsystem und Verfahren zum Betreiben

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1505350A2 (fr) * 2003-08-06 2005-02-09 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif et méthode de commande d'un système de cuisson
EP1517089A1 (fr) * 2003-09-18 2005-03-23 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif et méthode de commande pour un appareil ménager électrique
DE10361341A1 (de) * 2003-12-18 2005-07-14 E.G.O. Elektro-Gerätebau GmbH Vorrichtung zur Bedienung eines Kochfeldes
WO2005106335A2 (fr) * 2004-04-28 2005-11-10 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de reglage pourvu d'une zone de detection au moins bidimensionnelle
DE202009003894U1 (de) * 2009-03-19 2009-05-28 SEVERIN ELEKTROGERÄTE GmbH Haushaltsgerät

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100231506A1 (en) * 2004-09-07 2010-09-16 Timothy Pryor Control of appliances, kitchen and home

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1505350A2 (fr) * 2003-08-06 2005-02-09 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif et méthode de commande d'un système de cuisson
EP1517089A1 (fr) * 2003-09-18 2005-03-23 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif et méthode de commande pour un appareil ménager électrique
DE10361341A1 (de) * 2003-12-18 2005-07-14 E.G.O. Elektro-Gerätebau GmbH Vorrichtung zur Bedienung eines Kochfeldes
WO2005106335A2 (fr) * 2004-04-28 2005-11-10 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de reglage pourvu d'une zone de detection au moins bidimensionnelle
DE202009003894U1 (de) * 2009-03-19 2009-05-28 SEVERIN ELEKTROGERÄTE GmbH Haushaltsgerät

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2564879A1 (es) * 2014-09-24 2016-03-29 BSH Electrodomésticos España S.A. Dispositivo de aparato doméstico
EP3001109A3 (fr) * 2014-09-24 2016-08-17 BSH Hausgeräte GmbH Dispositif d'appareil menager avec detection de gestes
US10657719B2 (en) 2015-08-10 2020-05-19 Arcelik Anonim Sirketi Household appliance controlled by using a virtual interface

Also Published As

Publication number Publication date
DE102011075187B3 (de) 2012-10-31

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