EP2063181A2 - Champ de cuisson et procédé de fonctionnement d'un champ de cuisson - Google Patents

Champ de cuisson et procédé de fonctionnement d'un champ de cuisson Download PDF

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Publication number
EP2063181A2
EP2063181A2 EP08168854A EP08168854A EP2063181A2 EP 2063181 A2 EP2063181 A2 EP 2063181A2 EP 08168854 A EP08168854 A EP 08168854A EP 08168854 A EP08168854 A EP 08168854A EP 2063181 A2 EP2063181 A2 EP 2063181A2
Authority
EP
European Patent Office
Prior art keywords
hob
display means
cooking
proximity
operating
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.)
Withdrawn
Application number
EP08168854A
Other languages
German (de)
English (en)
Other versions
EP2063181A3 (fr
Inventor
Martin Baier
Mathias Bellm
Markus Jungbauer
Gerd Knappe
Wolfgang Metzger
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau 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 EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Priority to EP13162619.4A priority Critical patent/EP2613095A1/fr
Publication of EP2063181A2 publication Critical patent/EP2063181A2/fr
Publication of EP2063181A3 publication Critical patent/EP2063181A3/fr
Withdrawn legal-status Critical Current

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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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator

Definitions

  • the invention relates to a hob with several distributed cooking zones, each with a heater and each having an electromechanical control element and a method for operating such a hob.
  • the invention is based on the object to provide an aforementioned cooktop and an aforementioned operating method for which problems of the prior art can be avoided and in particular a safe and instinctive operation of a hob is possible.
  • a cooking point has an electromechanical operating element for its operation, wherein the operating elements are designed such that a power setting or power adjustment can be done by turning or pushing, with turning being preferred.
  • an approach and / or touch sensor is provided, which in the following will be referred to exclusively as a proximity sensor, but may have both functions. It is designed to detect an approach or a touch of an operator with a special operating element.
  • the hob can detect when an operator comes with one hand very close to a control or even touched it.
  • the hob then has a display device with a plurality of display means, with a separate display means is provided for each hotplate with a clear assignment of this display means to the hob. This will be explained in more detail below.
  • the hob has a control, with which a display means or the display device can be controlled with the display means such that upon detection of an approach or touch by means of the proximity sensor to an operating element, the display means of this control associated cooking element is activated such that an operator recognize on the basis of the display means, which control element it is currently approaching or touching it and thus which hotplate can be operated with it.
  • An optical association between the operating element and cooking area can be detected very quickly and instinctively, if it is designed to be low, which is possible for example by light indicators, which will be discussed in more detail below. Furthermore, it can not be prevented in any case, if a particular hotplate is to be operated that, so to speak, in a first attempt, the non-matching or associated control element is touched. However, if an operator then recognizes, via the correspondingly activated display means, that the touched operating element belongs to a hotplate other than the desired hotplate, it can touch another operating element, preferably an adjacent one, and then again check on the basis of the activated display means, whether it now matches the desired hotplate.
  • the proximity sensor is arranged on a panel or front of the hob, so before and lying down.
  • all controls of the same type are provided on such a panel or front panel and hereby also the proximity sensor.
  • a combination of hob and oven mentioned such an arrangement on a front panel is common.
  • a single proximity sensor for several or all controls is provided, but separately on each control or for each control a proximity sensor. It may be advantageous if such a proximity sensor is integrated into the operating element, both functionally and at least partially physically or from the technical design ago.
  • proximity sensor system can basically be designed in several ways, a capacitive design or a proximity sensor that operates on a capacitive principle is particularly preferred.
  • proximity or touch sensors are for example from the DE 19706168 A1 known. It can be particularly advantageous after touching the control element or certain electrically conductive surface areas thereof with a hand of an operator measured a capacitive leakage current on this hand and from a touch can be detected. Alternatively, a resonant circuit detuning can be detected via a coupling capacitance of a touching hand.
  • Optical sensors in particular reflection light barriers or the like, are suitable here in order to detect an approach or contact. If, for example, a hand is close enough to the sensor system, then an emitted light beam can be reflected back accordingly and this can be recognized as a proper approach.
  • This principle is generally already known and for example in the DE 197 00 836 C1 described.
  • the display means can each be provided directly close to the cooking area, for example, on the outer edge of a cooking area or slightly outside of it, so that they can be seen even when fitted on the hob saucepan.
  • the display means are arranged under a hob plate, in particular if they are designed to be bright, even to protect them from damage.
  • Display means may generally be designed as lighting means, in particular, at least one such lighting means may be provided as a display means per hotplate. If the display means are provided close to the cooking point, they are advantageously distributed around the cooking area as point or line-like phenomena.
  • the display means or the lamps temperature resistant, especially for temperatures of a few 100 ° C.
  • bulbs are LED, especially temperature-resistant LED.
  • the display means are not provided close to the respective hob, but summarized so to speak in a display area and reasonably close to each other. This is less constructive effort and better integrated into a hob.
  • the display means can be arranged to each other as the cooking zones to each other, for which the display means yes representatively.
  • the cooking zones distributed in the manner of a quadrangle provided on the hob with two rear and two front cooking, so may also have the respective provided for the cooking areas display means have this arrangement.
  • the display means is then correspondingly for a hotplate at this point and does not mark them directly as in the first basic embodiment.
  • the controls electromechanical power controller with rotary function or for power adjustment by rotation have a rotary knob as a handle, as is known per se.
  • the proximity sensor has, for example, sensor elements on the outer circumference of the rotary knob, ie where a rotary knob is touched when Instinktiven attack.
  • Such arranged on the outer circumference sensors are advantageously formed as the aforementioned capacitive touch sensors.
  • the display means via which an operator can recognize which control element it is approaching or which control element touches it, can also identify additional functions, for example as a top detection indicator, temperature or residual heat indicator or as an indicator for a set power level.
  • additional functions for example as a top detection indicator, temperature or residual heat indicator or as an indicator for a set power level.
  • the function of approaching or touching the control element can then, for example, in an already illuminated display means by changing strong lighting or by flashing or the like. are displayed.
  • a proximity sensor range for detecting a hand can be up to 20cm, but advantageously be less. Particularly advantageously, such a range is selected with a few centimeters, preferably 5cm to 10cm. Furthermore, the range should be less than the distance to an adjacent control element, so that the approach to a control element can be accurately detected and then displayed.
  • an operator can thus, after approaching an operating element or grasping an operating element, activate the display means which belong to the cooking area to which said operating element belongs or for whose power setting the operating element is responsible. If an operator sees on the basis of the activated or flashing display means that it is not the operating element of the desired hotplate, he will usually select and try out an adjacently arranged control element. It can be provided that the display means of the first touched control element are immediately disabled or deleted or still lingering for a while. Thus, either the display of the next touched control element can be highlighted more clearly, if only this lights. Alternatively, a better orientation on the cooktop can be conveyed by an afterglow of a few seconds. By the afterglow is in fact also the entire lighting time and thus the time for impressing extended.
  • Fig. 1 an oblique view of a hob 11 is shown on a stove 12.
  • the hob 11 has a hob plate 14, for example made of translucent glass ceramic, with four distributed cooking zones 15a-d, as is known from the prior art.
  • a front panel 17 is provided, under which an oven is arranged, is not discussed in detail.
  • control knob 19a-d are provided.
  • the control knob 19a is the hotplate 15a associated with their operation or their power setting. This also applies to the other hobs and the other control knob.
  • the control knob 19a As is known from the prior art, so can be operated with the control knob 19a, the hotplate 15a, so turned on and adjusted in their power level.
  • the arrangement shown corresponds to a conventional arrangement, so that the control knob so are assigned from left to right the cooking zones left front beginning clockwise following. Now stands an operator close to the stove 12 and the hob 11, it can often recognize only with the effort described at what knob 19a-d she must grasp to turn on a particular hotplate 15 or to change their power level.
  • Fig. 2 a schematic section through a front panel 17 according to Fig. 1 shown.
  • the control knob 19 is seated on an axis of rotation 21, which extends through the otherwise closed front panel 17 to a per se conventional power controller 22.
  • By turning the control knob 19 can be made via the power control unit 22, a power setting on the associated hob or its heating.
  • a proximity sensor 27 is provided at the front panel 17 with effective direction in an area in front of the front panel 17.
  • This proximity sensor 27 is connected to a controller 25, which, as shown here, is also connected to the power control unit 22. Furthermore, the controller 25 is connected in a manner not shown with display means, which will be discussed in more detail later.
  • the proximity sensor 27 is known per se from the prior art and can be designed, for example, as a so-called reflection light barrier. In this respect, it can, as indicated, emit light, advantageously with a transmitter in the IR range. If a hand 29 is now brought close to the control knob 19, for example at a predefined distance, for example 5 cm to 10 cm, then light is reflected by it. This in turn can detect the proximity sensor 27 together with the controller 25. This is then evaluated by the controller as an approximation and intended operation and a display means, which is associated with the control knob 19 associated cooking, activated.
  • the distance from the control knob 19 and the front panel 17, in which the proximity sensor 27 detects the hand 29 In the process, it must first of all also be recognized which control knob is exactly approaching the hand 29.
  • per Probes 19 usually such a proximity sensor 27 to provide. This can of course also in the front panel 17 or sunk or arranged behind it with a translucent window or the like .. Alternatively, for example, on the leftmost control knob 19a and the rightmost knob 19d, a total of two similar proximity sensors may be provided. By a kind funnelpeilung can be detected, which control knob 19, the hand 29 approaches.
  • a distance of significantly more than 10 cm makes for the detection of a targeted approach to a control knob 19 actually no sense, since the approach direction can also be oblique to the front panel 17 in principle.
  • An activation of a display means should take place only when it can be reliably recognized to which control knob 19 a hand 29 actually approaches.
  • a touch sensor 127 is provided directly on the control knob 119.
  • This touch sensor 127 is advantageously made of metal, such as stainless steel, or is electrically conductive and forms at least the front part of the control knob 119, which is usually touched, or even the entire top.
  • Such a control knob is for example in a similar form from the DE 20 2005 019 978 U1 known.
  • a grinder 131 together with electrical connection to the controller 125, so that the controller 125 can detect when a hand 129 has touched the control knob 119 and the touch sensor 127.
  • the operating principle of the touch sensor 127 together with control 125 may be one in the DE 20 2005 019 978 U1 be described capacitive sensor.
  • the touch sensor can also be coated with an insulating coating or sit under a cover on the control knob. Important in the training as a capacitive sensor is just that he capacitively can detect a touch with his hand and passes this on to the controller. With sufficiently high sensitivity, a proximity sensor can also be constructed with such a capacitive sensor, since the capacitive coupling between the sensor and the hand also bridges a distance of a few cm through the air.
  • Fig. 4 are, regardless of the way the detection of the proximity to a control knob or the touch thereof, different possibilities for the display or the display means shown.
  • two LEDs 33a are provided under the hob plate 14. These lights visible through the hob plate 14 through when they are driven accordingly, for example, after approaching the hand 29 at a sufficiently short distance to the leftmost control knob 19a.
  • the arrangement of two such LED 33 in front of the cooking area 15a is considered sufficient, as an operator usually looks from this direction.
  • the hotplate 15d front right does not have its directly assigned LED in a modification of the other hotplates.
  • a separate display 34 is provided with a classification that is symbolic of the four cooking zones 15a-d by four boxes.
  • an LED 35 d is activated or lights up on the front right of the display 34.
  • This type of display or provision of the display means on a single central, separate display 34 has the advantage that such a separate display can be mounted, for example as a separate small module under the hob plate 14 and electrically connected.
  • the other solutions with the LED 33 directly at the cooking zones 15a-c allow even faster and more instinctive detection, but mean a considerably higher assembly and component costs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Control Of Resistance Heating (AREA)
  • Electric Ovens (AREA)
  • Induction Heating Cooking Devices (AREA)
EP08168854A 2007-11-21 2008-11-11 Champ de cuisson et procédé de fonctionnement d'un champ de cuisson Withdrawn EP2063181A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13162619.4A EP2613095A1 (fr) 2007-11-21 2008-11-11 Plaque de cuisson et procédé de fonctionnement d'un plaque de cuisson

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007057076A DE102007057076B4 (de) 2007-11-21 2007-11-21 Kochfeld und Verfahren zum Betrieb eines Kochfeldes

Publications (2)

Publication Number Publication Date
EP2063181A2 true EP2063181A2 (fr) 2009-05-27
EP2063181A3 EP2063181A3 (fr) 2010-06-09

Family

ID=40418964

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08168854A Withdrawn EP2063181A3 (fr) 2007-11-21 2008-11-11 Champ de cuisson et procédé de fonctionnement d'un champ de cuisson
EP13162619.4A Withdrawn EP2613095A1 (fr) 2007-11-21 2008-11-11 Plaque de cuisson et procédé de fonctionnement d'un plaque de cuisson

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP13162619.4A Withdrawn EP2613095A1 (fr) 2007-11-21 2008-11-11 Plaque de cuisson et procédé de fonctionnement d'un plaque de cuisson

Country Status (5)

Country Link
US (1) US20090173730A1 (fr)
EP (2) EP2063181A3 (fr)
JP (1) JP2009128006A (fr)
CN (1) CN101440973B (fr)
DE (1) DE102007057076B4 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653785A1 (fr) * 2012-04-16 2013-10-23 Whirlpool Corporation Signaux lumineux afin de fournir une direction à un utilisateur
WO2014060919A3 (fr) * 2012-10-19 2014-12-24 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager
US10145568B2 (en) 2016-06-27 2018-12-04 Whirlpool Corporation High efficiency high power inner flame burner
USD835775S1 (en) 2015-09-17 2018-12-11 Whirlpool Corporation Gas burner
US10551056B2 (en) 2017-02-23 2020-02-04 Whirlpool Corporation Burner base
US10619862B2 (en) 2018-06-28 2020-04-14 Whirlpool Corporation Frontal cooling towers for a ventilation system of a cooking appliance
US10627116B2 (en) 2018-06-26 2020-04-21 Whirlpool Corporation Ventilation system for cooking appliance
US10660162B2 (en) 2017-03-16 2020-05-19 Whirlpool Corporation Power delivery system for an induction cooktop with multi-output inverters
US10837651B2 (en) 2015-09-24 2020-11-17 Whirlpool Corporation Oven cavity connector for operating power accessory trays for cooking appliance
US10837652B2 (en) 2018-07-18 2020-11-17 Whirlpool Corporation Appliance secondary door
EP3951268A1 (fr) * 2020-08-06 2022-02-09 E.G.O. Elektro-Gerätebau GmbH Plaque de cuisson et procédé de fonctionnement d'une plaque de cuisson
US11777190B2 (en) 2015-12-29 2023-10-03 Whirlpool Corporation Appliance including an antenna using a portion of appliance as a ground plane

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DE102005035543A1 (de) * 2005-07-25 2007-02-01 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Bedienung einer Heizeinrichtung eines Elektro-Wärmegerätes mit mehreren Heizeinrichtungen
DE102008042512A1 (de) * 2008-09-30 2010-04-01 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und Verfahren zum Betreiben eines Kochfelds
US8976158B2 (en) 2009-02-15 2015-03-10 Neonode Inc. User interface for white goods and associated multi-channel proximity sensors
DE102009014568A1 (de) 2009-03-17 2010-09-23 E.G.O. Elektro-Gerätebau GmbH Verfahren und Vorrichtung zur Steuerung eines Gasbrenners bzw. Gasherdes
DE102009001934B4 (de) * 2009-03-27 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Gargerät mit mindestens einem Kochfeld
DE102010039371B4 (de) * 2010-08-16 2012-08-30 BSH Bosch und Siemens Hausgeräte GmbH Steuervorrichtung für ein Hausgerät sowie Hausgerät mit einer Steuervorrichtung
JP5568437B2 (ja) * 2010-10-22 2014-08-06 ホシザキ電機株式会社 加熱調理器
WO2012089556A2 (fr) * 2010-12-31 2012-07-05 Arcelik Anonim Sirketi Appareil électroménager comprenant un bouton dont la périphérie extérieure est éclairée
ES2726769T3 (es) * 2011-11-09 2019-10-09 Electrolux Home Products Corp Nv Método de funcionamiento de una placa de cocina y electrodoméstico
US9164625B2 (en) 2012-10-14 2015-10-20 Neonode Inc. Proximity sensor for determining two-dimensional coordinates of a proximal object
US10585530B2 (en) 2014-09-23 2020-03-10 Neonode Inc. Optical proximity sensor
US9741184B2 (en) 2012-10-14 2017-08-22 Neonode Inc. Door handle with optical proximity sensors
US10324565B2 (en) 2013-05-30 2019-06-18 Neonode Inc. Optical proximity sensor
US9921661B2 (en) 2012-10-14 2018-03-20 Neonode Inc. Optical proximity sensor and associated user interface
EP2979036A4 (fr) * 2013-03-29 2016-09-21 Neonode Inc Interface utilisateur pour produits blancs et capteurs de proximité à canaux multiples associés
DE102013214846A1 (de) 2013-07-30 2015-02-05 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einer Gestikerkennungseinrichtung und mit einer Gestikunterscheidungseinrichtung sowie Verfahren zum Betreiben eines Haushaltsgeräts
DE102015006371A1 (de) * 2015-05-18 2016-11-24 Iryna Shovkoplyas Glaskeramik-Kochfeld
DE102016216035A1 (de) 2016-08-25 2018-03-01 E.G.O. Elektro-Gerätebau GmbH Elektrogerät, Anordnung eines solchen Elektrogeräts mit einer Blende und Verfahren zur Herstellung einer solchen Anordnung
US10718526B2 (en) * 2018-03-30 2020-07-21 Midea Group Co., Ltd. Cooktop burner illumination
DE102018208939A1 (de) * 2018-06-06 2019-12-12 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Bedienung eines Elektrokochgeräts und Elektrokochgerät
US11204174B2 (en) 2019-09-30 2021-12-21 Midea Group Co., Ltd. Configurable control selectors
EP4085321A4 (fr) 2019-12-31 2024-01-24 Neonode Inc. Système d'entrée tactile sans contact

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DE10256464A1 (de) * 2002-12-03 2004-06-17 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Steuerung eines elektrischen Geräts und Einschaltsicherung für elektrische Geräte
DE202005019978U1 (de) 2005-10-12 2006-04-20 E.G.O. Elektro-Gerätebau GmbH Bedienvorrichtung für ein Elektrogerät

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2653785A1 (fr) * 2012-04-16 2013-10-23 Whirlpool Corporation Signaux lumineux afin de fournir une direction à un utilisateur
WO2014060919A3 (fr) * 2012-10-19 2014-12-24 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager
USD835775S1 (en) 2015-09-17 2018-12-11 Whirlpool Corporation Gas burner
US11460195B2 (en) 2015-09-24 2022-10-04 Whirlpool Corporation Oven cavity connector for operating power accessory trays for cooking appliance
US10837651B2 (en) 2015-09-24 2020-11-17 Whirlpool Corporation Oven cavity connector for operating power accessory trays for cooking appliance
US11777190B2 (en) 2015-12-29 2023-10-03 Whirlpool Corporation Appliance including an antenna using a portion of appliance as a ground plane
US10145568B2 (en) 2016-06-27 2018-12-04 Whirlpool Corporation High efficiency high power inner flame burner
US10551056B2 (en) 2017-02-23 2020-02-04 Whirlpool Corporation Burner base
US10660162B2 (en) 2017-03-16 2020-05-19 Whirlpool Corporation Power delivery system for an induction cooktop with multi-output inverters
US10627116B2 (en) 2018-06-26 2020-04-21 Whirlpool Corporation Ventilation system for cooking appliance
US11226106B2 (en) 2018-06-26 2022-01-18 Whirlpool Corporation Ventilation system for cooking appliance
US11137145B2 (en) 2018-06-28 2021-10-05 Whirlpool Corporation Frontal cooling towers for a ventilation system of a cooking appliance
US10619862B2 (en) 2018-06-28 2020-04-14 Whirlpool Corporation Frontal cooling towers for a ventilation system of a cooking appliance
US10837652B2 (en) 2018-07-18 2020-11-17 Whirlpool Corporation Appliance secondary door
EP3951268A1 (fr) * 2020-08-06 2022-02-09 E.G.O. Elektro-Gerätebau GmbH Plaque de cuisson et procédé de fonctionnement d'une plaque de cuisson

Also Published As

Publication number Publication date
EP2613095A1 (fr) 2013-07-10
CN101440973A (zh) 2009-05-27
CN101440973B (zh) 2013-03-27
DE102007057076B4 (de) 2012-03-29
US20090173730A1 (en) 2009-07-09
JP2009128006A (ja) 2009-06-11
EP2063181A3 (fr) 2010-06-09
DE102007057076A1 (de) 2009-06-10

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