EP0982973A3 - Sensor for cooking vessel detection - Google Patents
Sensor for cooking vessel detection Download PDFInfo
- Publication number
- EP0982973A3 EP0982973A3 EP99123892A EP99123892A EP0982973A3 EP 0982973 A3 EP0982973 A3 EP 0982973A3 EP 99123892 A EP99123892 A EP 99123892A EP 99123892 A EP99123892 A EP 99123892A EP 0982973 A3 EP0982973 A3 EP 0982973A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- cooking vessel
- vessel detection
- radiant element
- heater zones
- 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
Links
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
-
- 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
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/05—Heating plates with pan detection means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Electric Stoves And Ranges (AREA)
- Cookers (AREA)
- Resistance Heating (AREA)
- Control Of Resistance Heating (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29724662U DE29724662U1 (en) | 1996-02-05 | 1997-01-18 | Sensor for cooking vessel detection |
EP03022466A EP1379105A3 (en) | 1996-02-05 | 1997-01-18 | Sensor for cooking vessel detection |
DE29724774U DE29724774U1 (en) | 1996-02-05 | 1997-01-18 | Electric radiant heater equipped with active sensor of cookery vessel - performs inductive detection of presence and size of vessel for automatic switching of appropriate heating zones under hotplate |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19603845 | 1996-02-05 | ||
DE19603845A DE19603845B4 (en) | 1996-02-05 | 1996-02-05 | Electric radiant heater with an active sensor for cooking vessel detection |
EP97100766A EP0788293B1 (en) | 1996-02-05 | 1997-01-18 | Electric radiant heater with active sensor for cooking vessel detection |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97100766A Division EP0788293B1 (en) | 1996-02-05 | 1997-01-18 | Electric radiant heater with active sensor for cooking vessel detection |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03022466A Division EP1379105A3 (en) | 1996-02-05 | 1997-01-18 | Sensor for cooking vessel detection |
EP03022466A Division-Into EP1379105A3 (en) | 1996-02-05 | 1997-01-18 | Sensor for cooking vessel detection |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0982973A2 EP0982973A2 (en) | 2000-03-01 |
EP0982973A3 true EP0982973A3 (en) | 2000-05-03 |
EP0982973B1 EP0982973B1 (en) | 2004-03-31 |
EP0982973B2 EP0982973B2 (en) | 2009-02-11 |
Family
ID=7784387
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03022466A Withdrawn EP1379105A3 (en) | 1996-02-05 | 1997-01-18 | Sensor for cooking vessel detection |
EP97100766A Expired - Lifetime EP0788293B1 (en) | 1996-02-05 | 1997-01-18 | Electric radiant heater with active sensor for cooking vessel detection |
EP99123892A Expired - Lifetime EP0982973B2 (en) | 1996-02-05 | 1997-01-18 | Sensor for cooking vessel detection |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03022466A Withdrawn EP1379105A3 (en) | 1996-02-05 | 1997-01-18 | Sensor for cooking vessel detection |
EP97100766A Expired - Lifetime EP0788293B1 (en) | 1996-02-05 | 1997-01-18 | Electric radiant heater with active sensor for cooking vessel detection |
Country Status (6)
Country | Link |
---|---|
US (1) | US5893996A (en) |
EP (3) | EP1379105A3 (en) |
JP (1) | JPH09223572A (en) |
AT (2) | ATE263475T1 (en) |
DE (3) | DE19603845B4 (en) |
ES (2) | ES2218941T5 (en) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19700753C2 (en) * | 1997-01-11 | 2000-09-14 | Schott Glas | Hob with a non-metallic hotplate |
DE19907596A1 (en) * | 1999-02-22 | 2000-08-24 | Patrick Leidenberger | Device which detects position of cooking vessel and guarantees that cooking vessel and heating element automatically agree has heating element slid under cooking vessel or cooking vessel |
GB2349471B (en) * | 1999-04-27 | 2003-08-06 | Ceramaspeed Ltd | Electric heater assembly |
DE19930830A1 (en) * | 1999-07-03 | 2001-01-18 | Dold Gmbh Mes Und Regeltechnik | Sensor device and method for detecting and recording the size of a pan bottom's area over a heating area uses a wire loop integrated into a heating area in a radiated heating unit. |
DE19945297A1 (en) | 1999-09-22 | 2001-03-29 | Diehl Ako Stiftung Gmbh & Co | Pot detection |
US6184501B1 (en) * | 1999-09-23 | 2001-02-06 | Cherry Gmbh | Object detection system |
US6140617A (en) * | 1999-10-22 | 2000-10-31 | General Electric Company | Cooktop control and monitoring system including detecting properties of a utensil through a solid-surface cooktop |
US6737617B1 (en) | 2000-01-24 | 2004-05-18 | General Electric Company | Methods and apparatus for a signal distortion based detection system |
DE10023179C2 (en) * | 2000-05-11 | 2002-07-18 | Schott Glas | Device and its use Control of cooktops with glass ceramic cooktops |
DE10035745B4 (en) | 2000-07-22 | 2004-02-05 | E.G.O. Elektrogerätebau GmbH | Temperature detection device for an electric radiant heater |
IT1319292B1 (en) * | 2000-11-08 | 2003-10-10 | Whirlpool Co | DEVICE TO DETECT THE PLACEMENT OF COOKING TOOLS ON A COOKING HOB WITH DISCRETE AND DISTRIBUTED HEATING ELEMENTS. |
US6350971B1 (en) | 2000-12-04 | 2002-02-26 | General Electric Company | Apparatus and method for detecting vessel movement on a cooktop surface |
US6452136B1 (en) | 2000-12-13 | 2002-09-17 | General Electric Company | Monitoring and control system and method for sensing of a vessel and other properties of a cooktop |
US6403932B1 (en) | 2001-01-09 | 2002-06-11 | Emerson Electric Co. | Controller for a heating unit in a cooktop and methods of operating same |
US6417496B1 (en) | 2000-12-22 | 2002-07-09 | Emerson Electric Co. | Modular heating unit for cooktops |
DE10129175A1 (en) * | 2001-06-12 | 2003-01-09 | Ego Elektro Geraetebau Gmbh | Electrical radiation heating body for cooker hobs has sensor for cooking pot detection in form of radiation heating element, preferably corrugated flat metal strip |
GB0115831D0 (en) * | 2001-06-28 | 2001-08-22 | Ceramaspeed Ltd | Radiant electric heater |
GB0116884D0 (en) * | 2001-07-11 | 2001-09-05 | Ceramaspeed Ltd | Temperature sensor assembly and radiant electric heater incorporating the same |
DE10135270A1 (en) * | 2001-07-13 | 2003-01-23 | Ego Elektro Geraetebau Gmbh | Electric radiant heater with an active sensor for cooking vessel detection |
US6492627B1 (en) | 2001-07-26 | 2002-12-10 | Emerson Electric Co. | Heating unit and control system for cooktops having capability to detect presence of a pan and methods of operating same |
DE10232710B4 (en) * | 2001-08-28 | 2007-07-12 | Cherry Gmbh | Cooking area with cooking vessel detection system |
DE10150949A1 (en) * | 2001-10-10 | 2003-04-24 | Hubert Eric Walter | Identification system for pre-packaged food container module inserted in induction oven or refrigeration device coupled to control system for operation of latter |
US6894255B2 (en) * | 2002-03-22 | 2005-05-17 | Matsushita Electric Industrial Co., Ltd. | Induction heating apparatus |
DE10231122A1 (en) * | 2002-07-05 | 2004-01-22 | E.G.O. Elektro-Gerätebau GmbH | Method of measuring the temperature of a metal cooking vessel |
GB2392499B (en) * | 2002-08-24 | 2005-10-05 | Ceramaspeed Ltd | Electric heater |
GB0301164D0 (en) * | 2003-01-18 | 2003-02-19 | Ceramaspeed Ltd | Temperature-responsive device |
DE10305788A1 (en) * | 2003-02-06 | 2004-09-02 | E.G.O. Elektro-Gerätebau GmbH | Inductive sensor arrangement, especially for detecting pots on cooker hobs, has a control circuit connected to the sensors via MOSFET switches with low drain-source resistance |
GB0314929D0 (en) * | 2003-06-26 | 2003-07-30 | Ceramaspeed Ltd | Electric heater incorporating a device for detecting a cooking utensil |
ITMI20031602A1 (en) * | 2003-08-04 | 2005-02-05 | Whirlpool Co | COOKING PLAN WITH RANDOM PLACING WITH USER INTERFACE |
DE10337543A1 (en) * | 2003-08-05 | 2005-02-24 | E.G.O. Elektro-Gerätebau GmbH | Temperature measuring device for heater of hob has longitudinal sensor made from ferromagnetic material running along active region of heating device connected to evaluation unit |
DE102004003119A1 (en) * | 2004-01-21 | 2005-08-11 | BSH Bosch und Siemens Hausgeräte GmbH | Device for heating food by means of inductive coupling and device for transmitting energy |
DE102004011749A1 (en) * | 2004-03-02 | 2005-09-15 | E.G.O. Elektro-Gerätebau GmbH | A method for controlling heating zones of a hob unit has inductive heating elements and sensing elements to select a zone for use and a single heating level control switch for all zones |
DE102004059822B4 (en) * | 2004-12-03 | 2011-02-24 | E.G.O. Elektro-Gerätebau GmbH | Method for operating an induction hob |
DE102005041028A1 (en) * | 2005-08-23 | 2007-03-01 | E.G.O. Elektro-Gerätebau GmbH | Electronically controlled hob with several cooking zones and method for operating such a hob |
DE102005047186A1 (en) * | 2005-09-26 | 2007-03-29 | E.G.O. Elektro-Gerätebau GmbH | Switching arrangement for evaluating sensor state, has microcontroller arranged so that it forms oscillating circuit in capacitor and sensor to detect cooking vessel and another circuit in inductor and sensor to detect vessel contact |
FR2895639B1 (en) * | 2005-12-27 | 2008-02-29 | Brandt Ind Sas | VARIABLE SIZE INDUCTION COOKING FIREPLACE |
KR101261645B1 (en) * | 2006-12-14 | 2013-05-08 | 엘지전자 주식회사 | Cooker and control method of the same of |
EP1937032B1 (en) * | 2006-12-20 | 2020-11-04 | Electrolux Home Products Corporation N.V. | Household appliance |
KR20080068775A (en) * | 2007-01-20 | 2008-07-24 | 삼성전자주식회사 | Pan sensor and radiant heater having the same and heating cooker having the radiant heater and control method thereof |
ES2321467B1 (en) * | 2007-08-24 | 2010-03-04 | Bsh Electrodomesticos España, S.A. | COOKING DEVICE PROVISION. |
EP2252129B1 (en) * | 2008-03-10 | 2022-05-04 | Panasonic Corporation | Induction cooking device |
US20100147832A1 (en) * | 2008-12-16 | 2010-06-17 | Barker Iii Charles R | Induction cookware identifying |
DE102009034203A1 (en) | 2009-07-16 | 2011-01-20 | E.G.O. Elektro-Gerätebau GmbH | Method for operating a hob |
ES2382431B1 (en) * | 2009-07-29 | 2013-05-08 | BSH Electrodomésticos España S.A. | COOKING DEVICE WITH AT LEAST TWO HEATING AREAS |
US9006622B2 (en) | 2010-11-30 | 2015-04-14 | Bose Corporation | Induction cooking |
DE102012201236A1 (en) | 2011-02-25 | 2012-08-30 | BSH Bosch und Siemens Hausgeräte GmbH | Calibrating device for calibrating home appliance e.g. matrix induction hob, has control unit calibrating reference value of sensing unit designed as matrix sensor and controlling inductance characteristics of inductor in induction hob |
US20130175254A1 (en) * | 2012-01-10 | 2013-07-11 | General Electric Company | Cook top appliance having spill and boil-over detection and response |
DE102012200342B4 (en) | 2012-01-11 | 2017-03-23 | E.G.O. Elektro-Gerätebau GmbH | Method for controlling a plurality of gas burners of a gas hob |
DE102012215744A1 (en) | 2012-09-05 | 2014-03-06 | E.G.O. Elektro-Gerätebau GmbH | Operating procedure for a hob and hob |
DE102013201070A1 (en) | 2013-01-23 | 2014-02-06 | E.G.O. Elektro-Gerätebau GmbH | Method of controlling cooking appliance e.g. microwave oven, has controller to enable function unit in off state according to maximum time of cooking appliance for preparation of cooking material |
DE102013218339A1 (en) | 2013-09-12 | 2015-03-12 | E.G.O. Elektro-Gerätebau GmbH | Method for pot detection and gas hob |
US9470423B2 (en) | 2013-12-02 | 2016-10-18 | Bose Corporation | Cooktop power control system |
JP6219229B2 (en) * | 2014-05-19 | 2017-10-25 | 東京エレクトロン株式会社 | Heater feeding mechanism |
ES2627629T3 (en) | 2014-09-29 | 2017-07-28 | E.G.O. Elektro-Gerätebau GmbH | Method to detect the identity of a pot on a cooking point of a cooking hob and system of a cooking hob with a pot |
DE102015203316A1 (en) | 2015-02-24 | 2016-08-25 | E.G.O. Elektro-Gerätebau GmbH | Hob and method for positioning a heater on a hob |
US10228144B2 (en) | 2015-05-28 | 2019-03-12 | Whirlpool Corporation | Method of pan detection and cooktop adjustment for multiple heating sections |
EP3324163A1 (en) * | 2016-11-22 | 2018-05-23 | Whirlpool Corporation | Temperature probe for domestic oven and domestic oven using such probe |
US10323556B2 (en) * | 2016-12-16 | 2019-06-18 | Gates Corporation | Electric immersion heater for diesel exhaust fluid reservoir |
WO2019181500A1 (en) * | 2018-03-23 | 2019-09-26 | 日本碍子株式会社 | Multi-zone heater |
CN113167481A (en) | 2018-11-29 | 2021-07-23 | 布罗恩-努托恩有限责任公司 | Intelligent indoor ventilation system |
GB2593468B (en) * | 2020-03-23 | 2022-04-13 | Equip Line Ltd | An apparatus for heating a pot of food or beverage |
US11598530B2 (en) | 2020-07-10 | 2023-03-07 | Haier Us Appliance Solutions, Inc. | Cooktop appliance and heating element having a thermostat |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4235085A1 (en) * | 1991-10-20 | 1993-04-22 | Klaschka Ind Elektronik | Coil for inductive sensor or emitter esp. for detecting vessel on cooker hob - composed of high temp. resistant coil e.g. mica and individual high temp. resistant alloy wires e.g. nickel@-chromium@-silicon@ alloy |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3796850A (en) * | 1973-05-31 | 1974-03-12 | Westinghouse Electric Corp | Pan detector for induction heating cooking unit |
US4013859A (en) * | 1975-06-04 | 1977-03-22 | Environment/One Corporation | Induction cooking unit having cooking load sensing device and essentially zero stand-by power loss |
US4319109A (en) * | 1979-12-28 | 1982-03-09 | General Electric Company | Centered utensil sensor for induction surface units |
DE3007037A1 (en) * | 1980-02-26 | 1981-09-03 | Ego Elektro Blanc & Fischer | GLASS CERAMIC COOKER |
DE8133341U1 (en) * | 1980-11-17 | 1982-03-25 | Micropore International Ltd., Droitwich, Worcestershire | ELECTRIC RADIATION HEATER FOR COOKERS WITH GLASS CERAMIC COVER PANELS |
US4334135A (en) * | 1980-12-22 | 1982-06-08 | General Electric Company | Utensil location sensor for induction surface units |
DE3711589A1 (en) * | 1987-04-06 | 1988-10-27 | Kueppersbusch | Cooking appliance |
DE3733108C1 (en) * | 1987-09-30 | 1989-02-23 | Bosch Siemens Hausgeraete | Circuit arrangement for a pot (saucepan) recognition system with a pot recognition sensor |
IT1243760B (en) * | 1989-11-17 | 1994-06-23 | Eurodomestici Ind Riunite | DEVICE SUITABLE TO DETECT THE PRESENCE IN A COOKING CONTAINER FOR FOOD PLACED ON A COOKING HOB, FOR EXAMPLE IN CERAMIC GLASS. |
DE4004129A1 (en) * | 1990-02-10 | 1991-08-14 | Ego Elektro Blanc & Fischer | DEVICE FOR RECOGNIZING A COOKING VESSEL SET UP IN A HEATING ZONE OF A COOKING OR HEATING APPLIANCE |
DE59009967D1 (en) * | 1990-08-02 | 1996-01-25 | Oskar Loches Ag | Method and device for controlling heating elements of a cooker |
DE4039501A1 (en) * | 1990-12-11 | 1992-06-17 | Ego Elektro Blanc & Fischer | ELECTRIC RADIATOR, IN PARTICULAR RADIANT RADIATOR |
DE4142872A1 (en) * | 1991-12-23 | 1993-06-24 | Thomson Brandt Gmbh | METHOD AND DEVICE FOR INDUCTIVE HEATING OF CONTAINERS OF DIFFERENT SIZES |
IT1260456B (en) * | 1992-01-28 | 1996-04-09 | Whirlpool Italia | METHOD AND DEVICE TO DETECT A POT ON A GLASS-CERAMIC HOB IN THE PRESENCE OF A BODY IN CORRESPONDENCE WITH A HEATING ELEMENT ASSOCIATED WITH THAT PLAN |
DE4224934C2 (en) * | 1992-07-28 | 2003-05-15 | Bsh Bosch Siemens Hausgeraete | Radiator with sensor technology for a pan detection system |
-
1996
- 1996-02-05 DE DE19603845A patent/DE19603845B4/en not_active Expired - Fee Related
-
1997
- 1997-01-18 EP EP03022466A patent/EP1379105A3/en not_active Withdrawn
- 1997-01-18 AT AT99123892T patent/ATE263475T1/en not_active IP Right Cessation
- 1997-01-18 ES ES99123892T patent/ES2218941T5/en not_active Expired - Lifetime
- 1997-01-18 EP EP97100766A patent/EP0788293B1/en not_active Expired - Lifetime
- 1997-01-18 AT AT97100766T patent/ATE204114T1/en not_active IP Right Cessation
- 1997-01-18 DE DE59711476T patent/DE59711476D1/en not_active Expired - Lifetime
- 1997-01-18 DE DE59704217T patent/DE59704217D1/en not_active Expired - Lifetime
- 1997-01-18 EP EP99123892A patent/EP0982973B2/en not_active Expired - Lifetime
- 1997-01-18 ES ES97100766T patent/ES2162136T3/en not_active Expired - Lifetime
- 1997-02-03 US US08/792,383 patent/US5893996A/en not_active Expired - Lifetime
- 1997-02-03 JP JP9032572A patent/JPH09223572A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4235085A1 (en) * | 1991-10-20 | 1993-04-22 | Klaschka Ind Elektronik | Coil for inductive sensor or emitter esp. for detecting vessel on cooker hob - composed of high temp. resistant coil e.g. mica and individual high temp. resistant alloy wires e.g. nickel@-chromium@-silicon@ alloy |
Also Published As
Publication number | Publication date |
---|---|
EP0982973A2 (en) | 2000-03-01 |
JPH09223572A (en) | 1997-08-26 |
EP0982973B2 (en) | 2009-02-11 |
ATE204114T1 (en) | 2001-08-15 |
DE59704217D1 (en) | 2001-09-13 |
DE19603845B4 (en) | 2010-07-22 |
EP0788293A3 (en) | 1998-01-07 |
ES2218941T3 (en) | 2004-11-16 |
US5893996A (en) | 1999-04-13 |
EP1379105A3 (en) | 2004-11-03 |
EP0788293B1 (en) | 2001-08-08 |
EP1379105A2 (en) | 2004-01-07 |
ATE263475T1 (en) | 2004-04-15 |
ES2162136T3 (en) | 2001-12-16 |
EP0788293A2 (en) | 1997-08-06 |
ES2218941T5 (en) | 2009-06-01 |
DE59711476D1 (en) | 2004-05-06 |
DE19603845A1 (en) | 1997-08-07 |
EP0982973B1 (en) | 2004-03-31 |
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