EP1233653A2 - Panneau de commande tactile destiné à sélectionner des zones de cuisson - Google Patents

Panneau de commande tactile destiné à sélectionner des zones de cuisson Download PDF

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Publication number
EP1233653A2
EP1233653A2 EP02002607A EP02002607A EP1233653A2 EP 1233653 A2 EP1233653 A2 EP 1233653A2 EP 02002607 A EP02002607 A EP 02002607A EP 02002607 A EP02002607 A EP 02002607A EP 1233653 A2 EP1233653 A2 EP 1233653A2
Authority
EP
European Patent Office
Prior art keywords
cooking
control panel
zone
switch
cooking zone
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.)
Granted
Application number
EP02002607A
Other languages
German (de)
English (en)
Other versions
EP1233653B1 (fr
EP1233653A3 (fr
Inventor
Karlheinz Hammelsbacher
Alfred Kotouczek
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.)
Diehl AKO Stiftung and Co KG
Original Assignee
Diehl AKO Stiftung and Co KG
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
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Application filed by Diehl AKO Stiftung and Co KG filed Critical Diehl AKO Stiftung and Co KG
Publication of EP1233653A2 publication Critical patent/EP1233653A2/fr
Publication of EP1233653A3 publication Critical patent/EP1233653A3/fr
Application granted granted Critical
Publication of EP1233653B1 publication Critical patent/EP1233653B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • 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

Definitions

  • control panel of the type as it is on the market as the "DIEHL TC 2" system or as the "EGO Touch Control G II” system .
  • Such control panels essentially consist of a perforated and opaque colored insulating plate arranged in front of the cooking zones in the stove top or next to the cooking zones in the area of the storage and worktop of a stove, below which contactless switches in the form of proximity or capacity sensors and optoelectronic indicator lights in Form of punctiform or seven-segment light-emitting diodes are arranged.
  • each cooking zone in the control panel is a switching point with its closely adjacent display point geometrically assigned.
  • circuit board that extends under the glass plate of the control panel and extends parallel to that circuit board, in addition to the elements mentioned, contains further switching and display elements, in particular for switching operations and for a residual heat display and, if appropriate, for timing functions, and since weakly interwoven circuits for the control and display processes and relay-switched processes are interconnected in terms of circuitry Power circuits need to be unbundled for the power consumers in order to maintain certain insulation distances for safety reasons, it is impossible with previous technology to accommodate all the circuit elements mentioned and their switching wiring on a circuit board corresponding to the dimensions of the control panel, not even with double-sided conductor routing. For this reason, control panels of this type generally have a sandwich structure made up of two mutually parallel circuit boards spaced apart from one another with a corresponding mutual connection effort and installation depth requirement, which necessitates high production and testing costs.
  • a hob with several cooking zones is known, each of which is assigned a key for the cooking level setting, in a keypad distributed according to the mutual arrangement of the cooking zones. If one of the cooking zones is selected using its button, its heating output can be changed set via a plus / minus button pair and via a between the Keypad and the sensor keys located 7-segment display are presented. Regardless of this control panel for the cooking zones, there is one Cooking hob via a time control with regard to cooking time or cooking time end each of the cooking zones that are addressed cyclically via a function key can.
  • the time specification can be changed using a pair of plus / minus buttons be, the simultaneous actuation of both buttons toggle between Hour and minute specifications as well as a switchover between time periods and let end of time be selected.
  • Pair of 7-segment displays either assigned to a cooking zone or else only available once. In the latter case, a signal field is also required in which light indicators are assigned to the individual cooking zones and for those Cooking zones shine permanently, where time limits have already been set while the display is flashing for the cooking zone on which there is one Time is possible. Aspects of optimizing the circuit design for a individual cooking levels - specifications are not dealt with in this publication.
  • each cooking zone is a hob Plus / minus switch pair assigned for the cooking level specification.
  • One with one Symbol mask covered light source is on a circuit board under the glass ceramic cooktop arranged next to the respective switch. The symbol is there especially from the letter "H" to indicate an injury-prone Point out residual heat when the cooking zone is switched off.
  • Residual heat indicator is set out in DE 1 99 25 228 A1 that it is immediate sensory or indirect through a counting result corresponding to the cooling process can be presented. Should the residual heat display due to a power failure disappear, then this is particularly signaled to indicate that at least one of the cooking zones can still be hot.
  • control panel especially for a customary to simplify the four-zone hotplate found that a noticeable Reduction of the circuitry outlay for the switching and display control their construction on a single board allows.
  • This task is according to the essential combination of features of the main claim solved according to the invention in that only a single one in the control panel Cooking level switch for a plurality of usually four cooking zones is provided.
  • This can surprisingly make half of the costly Circuit board area can be saved because of the simplified circuit structure Control circuits and correspondingly simplified routing unbundling is now possible in a board level, which with comparable functionality compared to the described sandwich structure according to the prior art leads to savings of around 20% each in manufacturing and testing costs. This is very remarkable given the enormous price pressure under which the development of large household appliances, of which on the other hand the consumer more and more functionality expected.
  • control panel 14 which is in terms of arrangement its switching points 15 and display points 16 in the drawing on the right is shown in detail once enlarged.
  • the surface of the control panel 14 is for the function of the switching and display points 15, 16 is not broken, the So sensors and lamps are below the operator and visual surface of the control panel 14 and possibly in the rear in its translucent Plate sunk or simply pressed against it.
  • the switching points 15 in Control panel 14 are therefore the reactive areas of proximity or touch switches for example based on reflex light barriers with invisible radiation or based on capacitive sensors.
  • switching points 15 act as Pulse inputs to bistable switches, which are usually found in a processor are implemented, which also have higher-level control tasks, for example according to one perceives predetermined program sequence, what in the drawing to guarantee the overview is not received in terms of circuitry.
  • On Switching points 15 contains the control panel 14, especially a power switch 17, one Cooking zone selection switch 18 and a cooking level switch 19, which is in two opposite Functionalities 19- and 19+ for raising or lowering the heating power is divided.
  • Selection switch 18 is linked to such display points 16, which are preferably around the cooking zones 12 geometrically assigned cooking zone lamps 22 acts, and at least as exemplarily sketched a single digital Cooking level display 23 in the form of a seven-segment number display, which then is arranged in the center between the lamps 22.
  • the components of the switching points 15 and the display points 16 are on one single double-sided laminated circuit board arranged (not in the drawing visible) distant from the control panel 14 and runs underneath it not, at least not significantly, towered over.
  • This board is for the assembly prepared with the cooking level display 23 such that the single-digit alphanumeric Seven-segment display compared to the representation in the drawing too Can be positioned pivoted by 90 °, with which the control panel 14 instead of the one shown vertical arrangement a horizontal alignment in or next to the Hearth 11 can experience.
  • the hob 11 With a single actuation of the mains switch 17, the hob 11 is connected to the network 24 laid.
  • the power switch 17 is switched off fixed safety period ts of a few seconds again turn off - unless within this security period ts will still another of the switching points 15 activates a cooking zone, for example via the switch 18 12 selected OR via the switch 19 the cooking level of the currently selected Cooking zone 12 changed. But if a safety switch 20 is set, that is, its lock indicator 21 lights up, the hob 11 cannot be switched on become.
  • the individual heating output can be set using the cooking level switch 19 in the manner of a network frequency synchronized or Processor-synchronized pulse width modulation and using the in this realization example only existing seven-segment cooking level display 23 visualize.
  • the processor sub-function for converting the current one The degree of modulation in a number representation is in the block diagram of the drawing symbolized by a demodulator 26 which is related to the pulse length the cycle duration in a number between 0 (switched off) and 9 (maximum power) implements.
  • This number (23) therefore indicates the heat setting with which Cooking zone 12 is currently operated, the lamp 22 is flashing.
  • a changed one This heating output is specified by alternate repeated or continuous operation of one of the two heat setting function switches 19- or 19+.
  • the lamp 22 assigned to the currently selected cooking zone 12 switches then from flashing light to steady light, while this cooking zone 12 like mentions the last specified heat setting, if using the selection switch 18 switched to the next of the cooking zones 12 to be selected cyclically is, so that the zone lamp 22 is no longer constant but only lights up in the interval and the display 23 shows your current cooking level.
  • the four separate lamps 22 are unnecessary if they are replaced by four Ads 23 (instead of a central one in the drawing) are replaced.
  • the currently selected lamp 22 or display 23, which is currently flashing marked cooking zone 12 is however switched off electrically and its lamp 22 or display 23 is completely switched off when the heating output is here by means of the cooking position switch 19- is reduced to zero.
  • the cooking level switch 19-, 19+ are not operated alternatively, but simultaneously, as by symbolizes the AND gate 33, the cooking zone 12 currently displayed becomes the immediately switched off electrically, and its zone lamp 22 or display 23 goes out.
  • the hob is switched off via the power switch 17 11 in total, that is to say all of its cooking zones 12 that have just been switched on.
  • the switchover to the next cooking zone 12 with its cooking zone lamp 22 or display 23 takes place in a cyclical sequence with each new short press of the selection switch 18. With only one central display 23, the Cooking level display 23 currently shown numerically on that cooking zone 12, the lamp 22 is not extinguished or burns continuously, but the is blinking.
  • such a seven-segment display 23 can be used not only numerical, but also certain alpha information with one digit represent.
  • the display 23 is switched from the demodulator 26 to the display H, if the cooking zone 12 just selected via the switch 18 is indeed (via the cooking switch 19- or via both 19- / 19 + simultaneously) electrically was switched off, but the geometrically assigned cooking zone lamp 22 or Display 23 does not go out, but remains activated because the assigned cooking zone 12 is still hot, namely its temperature is not yet below the order of magnitude has dropped from 50 ° C, i.e. still radiates residual heat, which is harmful to the surface of human skin.
  • The is detected by means of temperature sensors 27, the sensor signals from the processor analyzed accordingly, namely compared with a reference and, if necessary to the control circuits (not shown separately in the drawing) are guided for the cooking zone lamps 22 or displays 23; or a preset time control circuit implemented in the processor by means of counters lets this residual heat indicator go out when the cooking zone 12 after it is switched off experience has shown that it should have cooled sufficiently.
  • an extension 28 of the basic control panel 14 can of the functions (Steady light or flashing light) of the cooking zone lamps 22 functionally separate residual heat lamps 29 geometrically assigned to the cooking zones 12 the aforementioned H display 23 in the center of the cooking zone lamps 22 or one each There is no need for display 23 for the four cooking zones 12. If at the respective Cooking zone 12 which is critical for the risk of scorching human skin Surface temperature is exceeded, the assigned residual heat lamp now lights up 29 in the control panel extension 28; being circuit-wise can be specified via the processor that this light indicator, for example toggles between steady light and flashing light, depending on whether the assigned Hotplate 12 is currently actively heated or is switched off and only still leads to residual heat.
  • the highest level of the ramp-up function switch is 19+ not “9” but, still above, "A”. If the cooking mode switch 19 before selecting a certain level, the display 23 is set to "A”, then is initially at maximum over the currently selected cooking zone 12, corresponding to level 9, parboiled. A timing circuit 34 then switches after the period ta to the lower cooking level after initialization via "A" back that already during ta, i.e. until switching to permanent display by selecting this cooking zone 12, from the alphanumeric display 23 as a number alternately with the letter "A" is displayed.
  • At least one of the cooking zones 12 is equipped with a surface extension, the ring for larger cookware or as in the illustrated embodiment as a separately switchable roasting zone 30 be arched can.
  • a roaster mains switch 31 is in the control panel extension for their operation 28 provided, including roaster indicator lamp 32.
  • the heat setting for the roasting zone 30 takes place at the switch 19 with that for the neighboring assigned cooking zone 12, what in the block diagram of the drawing is considered symbolically.
  • a push-button selection switch 18 is provided according to the invention, with which a likewise switchable cooking stage switch 19; 19-, 19 + can be switched cyclically in succession to each of the existing cooking zones 12, while the other cooking zones 12 remain in their current switching state with regard to their heating outputs.
  • Which of the cooking zones 12 is currently heated and which of these is currently selected via the selection switch 18 results from the optical signaling of miniaturized cooking zone lamps 22 or digital displays 23 which are arranged in accordance with the geometry of the cooking zones 12.

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)
  • Cookers (AREA)
  • Electric Ovens (AREA)
EP02002607A 2001-02-16 2002-02-05 Panneau de commande tactile destiné à sélectionner des zones de cuisson Expired - Lifetime EP1233653B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10107206 2001-02-16
DE10107206A DE10107206C5 (de) 2001-02-16 2001-02-16 Berührungsempfindliches Bedienfeld für Kochzonen

Publications (3)

Publication Number Publication Date
EP1233653A2 true EP1233653A2 (fr) 2002-08-21
EP1233653A3 EP1233653A3 (fr) 2004-11-10
EP1233653B1 EP1233653B1 (fr) 2005-10-12

Family

ID=7674242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02002607A Expired - Lifetime EP1233653B1 (fr) 2001-02-16 2002-02-05 Panneau de commande tactile destiné à sélectionner des zones de cuisson

Country Status (5)

Country Link
US (1) US6664519B2 (fr)
EP (1) EP1233653B1 (fr)
AT (1) ATE306802T1 (fr)
DE (2) DE10107206C5 (fr)
ES (1) ES2248424T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2642821A1 (fr) * 2012-03-21 2013-09-25 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fonctionnement d'un champ de cuisson à induction et champ de cuisson à induction

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211047B4 (de) 2002-03-13 2005-10-06 Cherry Gmbh Anordnung zur Steuerung eines Kochfeldes
DE102004064044B4 (de) * 2003-12-20 2007-11-15 Diehl Ako Stiftung & Co. Kg Bedienfeld für ein elektronisches Haushaltsgerät
US8212189B2 (en) * 2004-04-28 2012-07-03 Mamoru Imura Stovetop interface, system and methods of temperature control of cookware, and methods of cooking using numerical temperature control
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
US8053708B2 (en) * 2006-11-10 2011-11-08 Electrolux Home Porducts, Inc. User-configurable interface for a cooking appliance
DE202007001432U1 (de) * 2007-01-22 2007-03-29 E.G.O. Elektro-Gerätebau GmbH Kochfeld
ES2361469B1 (es) 2009-02-13 2012-04-20 Coprecitec, S.L "panel de mandos para una encimera de cocina".
EP2290292B1 (fr) * 2009-08-28 2016-07-13 Electrolux Home Products Corporation N.V. Plaque de cuisson avec un afficheur et un cadre d'afficheur monolithique
EP2381177B1 (fr) * 2010-04-24 2019-02-13 Electrolux Home Products Corporation N.V. Plaque de cuisson avec équipement d'éclairage
DE202010006890U1 (de) 2010-05-18 2011-09-06 Diehl Ako Stiftung & Co. Kg Bedienvorrichtung für ein Kochfeld
ES2404339B1 (es) * 2011-03-23 2014-05-21 BSH Electrodomésticos España S.A. Procedimiento para ajustar una corriente de conexión de un aparato doméstico, y aparato doméstico, en especial, campo de cocción, con una unidad de control para ejecutar el procedimiento
CN102880330B (zh) * 2011-07-14 2016-10-12 富泰华工业（深圳）有限公司 感应器电路及具有该感应器电路的电子装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9419782U1 (de) 1994-12-09 1995-02-09 Bosch-Siemens Hausgeräte GmbH, 81669 München Schrägpult-Kochmulde mit Sensorsteuerung
EP0990855A2 (fr) 1998-10-01 2000-04-05 AEG Hausgeräte GmbH Plaque de cuisson à temporisation encastrée
DE19925228A1 (de) 1999-06-01 2000-12-07 Bsh Bosch Siemens Hausgeraete Gargerät mit Restwärmeanzeige und Verfahren zum Betrieb der Restwärmeanzeige
DE19802571C2 (de) 1998-01-23 2000-12-21 Bsh Bosch Siemens Hausgeraete Kochmulde mit Anzeigeelementen

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US3974472A (en) * 1974-04-04 1976-08-10 General Motors Corporation Domestic appliance control and display panel
DE3204598A1 (de) * 1982-02-10 1983-08-18 Bosch Siemens Hausgeraete Schaltungsanordnung fuer heizungselemente in kochherdmulden
JP2604032B2 (ja) * 1989-04-27 1997-04-23 株式会社東芝 電気加熱調理器
DE9409087U1 (de) 1994-06-03 1994-08-04 SÜKOSIM Sicherheitsmuttern Verbindungselemente GmbH + Co., 74575 Schrozberg Haltevorrichtung für eine Mutter
DE29521593U1 (de) * 1995-02-21 1997-10-16 Thielmann AG KG, 35708 Haiger Herdmulde
DE19645907B4 (de) * 1996-11-07 2008-02-28 AEG Hausgeräte GmbH Verfahren und Vorrichtung zum Einstellen eines Betriebszustandes eines Geräts, insbesondere eines Haushaltsgeräts
DE19713315C2 (de) * 1997-03-29 2001-03-01 Diehl Stiftung & Co Schaltung zur Zuordnung von Leistungssteuersignalen zu Kochstellen
DE29911917U1 (de) * 1999-07-13 1999-10-07 Thielmann AG KG, 35708 Haiger Standherd
US6198080B1 (en) * 1999-08-05 2001-03-06 General Electric Company Glass touch cooktop dual element and bridge burner control
US6501053B2 (en) * 2000-07-26 2002-12-31 Maytag Corporation Control system for an appliance cooktop

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9419782U1 (de) 1994-12-09 1995-02-09 Bosch-Siemens Hausgeräte GmbH, 81669 München Schrägpult-Kochmulde mit Sensorsteuerung
DE19802571C2 (de) 1998-01-23 2000-12-21 Bsh Bosch Siemens Hausgeraete Kochmulde mit Anzeigeelementen
EP0990855A2 (fr) 1998-10-01 2000-04-05 AEG Hausgeräte GmbH Plaque de cuisson à temporisation encastrée
DE19925228A1 (de) 1999-06-01 2000-12-07 Bsh Bosch Siemens Hausgeraete Gargerät mit Restwärmeanzeige und Verfahren zum Betrieb der Restwärmeanzeige

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2642821A1 (fr) * 2012-03-21 2013-09-25 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fonctionnement d'un champ de cuisson à induction et champ de cuisson à induction

Also Published As

Publication number Publication date
DE10107206A1 (de) 2002-09-19
EP1233653B1 (fr) 2005-10-12
DE10107206C5 (de) 2009-11-05
ES2248424T3 (es) 2006-03-16
ATE306802T1 (de) 2005-10-15
US6664519B2 (en) 2003-12-16
DE10107206B4 (de) 2005-03-24
DE50204500D1 (de) 2005-11-17
EP1233653A3 (fr) 2004-11-10
US20020113061A1 (en) 2002-08-22

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