EP0442275A3 - Device for detecting a vessel put in the heating zone of a cooking or heating apparatus - Google Patents

Device for detecting a vessel put in the heating zone of a cooking or heating apparatus Download PDF

Info

Publication number
EP0442275A3
EP0442275A3 EP19910100507 EP91100507A EP0442275A3 EP 0442275 A3 EP0442275 A3 EP 0442275A3 EP 19910100507 EP19910100507 EP 19910100507 EP 91100507 A EP91100507 A EP 91100507A EP 0442275 A3 EP0442275 A3 EP 0442275A3
Authority
EP
European Patent Office
Prior art keywords
cooking
detecting
heating
order
vessel put
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
EP19910100507
Other languages
German (de)
Other versions
EP0442275A2 (en
EP0442275B1 (en
Inventor
Willi Essig
Ivo Russ
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 Gerate Blanc und Fischer 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6399892&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0442275(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EGO Elektro Gerate Blanc und Fischer GmbH filed Critical EGO Elektro Gerate Blanc und Fischer GmbH
Publication of EP0442275A2 publication Critical patent/EP0442275A2/en
Publication of EP0442275A3 publication Critical patent/EP0442275A3/en
Application granted granted Critical
Publication of EP0442275B1 publication Critical patent/EP0442275B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Cookers (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • General Induction Heating (AREA)

Abstract

The pot detection system operates with an inductive sensor (22) which is arranged close to the heated region of the cooking apparatus (11). The sensor signals are evaluated as a function of the signal rate of change in order to compensate for the poor coil quality of the high-temperature-resistant coils. The evaluation takes place digitally with frequency counting, and a bridging device (50) is provided in order to be able to use the apparatus even without pot detection. <IMAGE>
EP91100507A 1990-02-10 1991-01-17 Device for detecting a vessel put in the heating zone of a cooking or heating apparatus Expired - Lifetime EP0442275B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4004129A DE4004129A1 (en) 1990-02-10 1990-02-10 DEVICE FOR RECOGNIZING A COOKING VESSEL SET UP IN A HEATING ZONE OF A COOKING OR HEATING APPLIANCE
DE4004129 1990-02-10

Publications (3)

Publication Number Publication Date
EP0442275A2 EP0442275A2 (en) 1991-08-21
EP0442275A3 true EP0442275A3 (en) 1992-07-08
EP0442275B1 EP0442275B1 (en) 1995-05-03

Family

ID=6399892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91100507A Expired - Lifetime EP0442275B1 (en) 1990-02-10 1991-01-17 Device for detecting a vessel put in the heating zone of a cooking or heating apparatus

Country Status (6)

Country Link
US (1) US5296684A (en)
EP (1) EP0442275B1 (en)
JP (1) JP2901100B2 (en)
AT (1) ATE122197T1 (en)
DE (2) DE4004129A1 (en)
ES (1) ES2071841T3 (en)

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EP0469189B2 (en) * 1990-08-02 2001-01-17 E.G.O. Elektro-Gerätebau GmbH Method and apparatus for controlling heating elements of a cooking oven
DE4039501A1 (en) * 1990-12-11 1992-06-17 Ego Elektro Blanc & Fischer ELECTRIC RADIATOR, IN PARTICULAR RADIANT RADIATOR
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
DE19526091A1 (en) * 1995-07-18 1997-01-23 Ego Elektro Blanc & Fischer Sensor system limiting electric heater temp. esp. for ceramic glass electric cooker hob
DE19527823A1 (en) * 1995-07-29 1997-01-30 Ego Elektro Blanc & Fischer Hob unit with several hotplates arranged below a plate
DE19527824A1 (en) * 1995-07-29 1997-01-30 Ego Elektro Blanc & Fischer Electric cooker hob - has several cooking points contg. electrical heating elements in heating zone and thermal insulation
DE19527826C2 (en) * 1995-07-29 2002-05-08 Ego Elektro Geraetebau Gmbh Radiant cooking unit
DE19527825A1 (en) * 1995-07-29 1997-01-30 Ego Elektro Blanc & Fischer Electric cooker hob - has least one heating element mounted on carrier and with annular bounding part consisting of several ring sectors at least partially enclosing it and itself enclosed by clamp ring
DE19603845B4 (en) * 1996-02-05 2010-07-22 E.G.O. Elektro-Gerätebau GmbH Electric radiant heater with an active sensor for cooking vessel detection
GB2320626B (en) * 1996-12-19 2000-10-18 Ceramaspeed Ltd Cooking utensil detection method
GB2320573A (en) * 1996-12-19 1998-06-24 Ceramaspeed Ltd Electric heater and sensor
DE19700753C2 (en) * 1997-01-11 2000-09-14 Schott Glas Hob with a non-metallic hotplate
AU6683498A (en) 1997-03-03 1998-09-22 Medical Solutions, Inc. Method and apparatus for pressure infusion and temperature control of infused liquids
DE19708904A1 (en) * 1997-03-05 1998-09-10 Ego Elektro Geraetebau Gmbh Acoustic no-load operation display for cooking site
US7276675B2 (en) * 1997-04-07 2007-10-02 Patented Medical Solutions, Llc Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements
US6660974B2 (en) 1997-04-07 2003-12-09 Medical Solutions, Inc. Warming system and method for heating various items utilized in surgical procedures
US6768085B2 (en) * 2001-07-02 2004-07-27 Medical Solutions, Inc. Medical solution warming system and method of heating and maintaining medical solutions at desired temperatures
US6467953B1 (en) * 1999-03-30 2002-10-22 Medical Solutions, Inc. Method and apparatus for monitoring temperature of intravenously delivered fluids and other medical items
US7041941B2 (en) * 1997-04-07 2006-05-09 Patented Medical Solutions, Llc Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements
DE19723127A1 (en) * 1997-06-03 1998-12-10 Ako Werke Gmbh & Co Device for the wireless determination of the temperature and an identifier of a cookware on a cooker
DE19729418C1 (en) * 1997-07-09 1998-08-20 Robert Seuffer Gmbh & Co Cooking ring for electric cooker with heating element and glass ceramic plate above it allowing e.g. non-metallic pots
DE19729661A1 (en) * 1997-07-11 1999-01-14 Ego Elektro Geraetebau Gmbh Heating system especially for electric cooking operations
GB2329466B (en) * 1997-09-19 2001-12-12 Ceramaspeed Ltd Method of manufacturing an electric heater assembly
DE19945297A1 (en) * 1999-09-22 2001-03-29 Diehl Ako Stiftung Gmbh & Co Pot detection
US9425638B2 (en) 1999-11-01 2016-08-23 Anthony Sabo Alignment independent and self-aligning inductive power transfer system
US6737617B1 (en) 2000-01-24 2004-05-18 General Electric Company Methods and apparatus for a signal distortion based detection system
ATE324766T1 (en) * 2000-03-24 2006-05-15 Eika S Coop SENSOR DEVICE FOR DETECTING THE PRESENCE OF A POT ON AN ELECTRIC COOKING PLATE
DE10023179C2 (en) * 2000-05-11 2002-07-18 Schott Glas Device and its use Control of cooktops with glass ceramic cooktops
US6300603B1 (en) 2000-06-08 2001-10-09 Stephen Patrick Edwards Stovetop burner with safety feature
US6350971B1 (en) * 2000-12-04 2002-02-26 General Electric Company Apparatus and method for detecting vessel movement on a cooktop surface
US7238171B2 (en) * 2001-03-12 2007-07-03 Medical Solutions, Inc. Method and apparatus for controlling pressurized infusion and temperature of infused liquids
US7031602B2 (en) * 2001-03-12 2006-04-18 Patented Medical Solutions, Llc Method and apparatus for controlling temperature of infused liquids
DE10232710B4 (en) * 2001-08-28 2007-07-12 Cherry Gmbh Cooking area with cooking vessel detection system
US8226605B2 (en) 2001-12-17 2012-07-24 Medical Solutions, Inc. Method and apparatus for heating solutions within intravenous lines to desired temperatures during infusion
US6805114B2 (en) * 2002-02-22 2004-10-19 Thomas Hobson Outten Attachment for gas grill for automatic burner ignition and method
DE10211047B4 (en) 2002-03-13 2005-10-06 Cherry Gmbh Arrangement for controlling a hob
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
US20080178682A1 (en) * 2005-01-10 2008-07-31 The Regents Of The University Of California Resonator circuit having reduced effects of parasitic feed-through capacitance
DE102005050035A1 (en) * 2005-10-14 2007-07-19 E.G.O. Elektro-Gerätebau GmbH Method for pot detection and induction heating
US8487738B2 (en) * 2006-03-20 2013-07-16 Medical Solutions, Inc. Method and apparatus for securely storing medical items within a thermal treatment system
CA2693795A1 (en) * 2007-07-16 2009-01-22 Charley Parks Energy saving cooktop
ES2388303B1 (en) * 2010-03-03 2013-08-23 BSH Electrodomésticos España S.A. COOKING HOB WITH AT LEAST ONE COOKING AREA, AND PROCEDURE TO OPERATE A COOKING HOB.
US9211381B2 (en) 2012-01-20 2015-12-15 Medical Solutions, Inc. Method and apparatus for controlling temperature of medical liquids
WO2014126964A1 (en) 2013-02-15 2014-08-21 Medical Solutions, Inc. Plural medical item warming system and method for warming a plurality of medical items to desired temperatures
EP2876973B1 (en) * 2013-11-25 2018-11-14 Electrolux Appliances Aktiebolag A method and a device for checking an ideal position of a cooking pot above an induction coil of an induction cooking hob
US10085584B2 (en) * 2014-06-09 2018-10-02 Whirlpool Corporation Method of regulating temperature for sous vide cooking and apparatus therefor
DE102014214795A1 (en) * 2014-07-28 2016-01-28 E.G.O. Elektro-Gerätebau GmbH Method and device for detecting the position of a pot on an induction hob
EP3220789B1 (en) * 2015-10-12 2018-06-06 Koninklijke Philips N.V. A blender with temperature sensor
KR102642315B1 (en) * 2017-02-20 2024-03-04 삼성전자주식회사 Cooking apparatus and method of controlling thereof
KR102052703B1 (en) * 2017-06-26 2019-12-05 엘지전자 주식회사 Pot detecting sensor and induction heating apparatus including thereof
KR102069583B1 (en) 2017-06-26 2020-01-23 엘지전자 주식회사 Induction heating apparatus and pot detection method thereof
KR102069580B1 (en) 2017-06-26 2020-01-23 엘지전자 주식회사 Pot detecting sensor and induction heating apparatus including thereof
KR102049864B1 (en) * 2018-02-08 2019-11-28 엘지전자 주식회사 Cooking appliance
GB2593468B (en) * 2020-03-23 2022-04-13 Equip Line Ltd An apparatus for heating a pot of food or beverage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327622A1 (en) * 1983-07-30 1985-02-07 Blanc Gmbh & Co, 7519 Oberderdingen Electrical hotplate for a glass-ceramic cooking plate
DE3533997A1 (en) * 1985-09-24 1987-03-26 Licentia Gmbh Cooking top with a number of cooking points
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
DE3737712A1 (en) * 1987-11-06 1989-05-24 Licentia Gmbh Method and device for protecting an electric stove against inadvertent operation
DE3804170A1 (en) * 1987-04-06 1989-08-24 Kueppersbusch Cooking apparatus

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FR1340411A (en) * 1962-11-14 1963-10-18 Hot plates
AT238331B (en) * 1963-03-26 1965-02-10 Burger Eisenwerke Ag Cooking area with switching device operated by the cooking vessel
DE7132382U (en) * 1971-08-25 1972-04-27 Esslinger H Self-deactivating hotplate
JPS5421983B2 (en) * 1974-02-05 1979-08-03
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
DE2831858A1 (en) * 1978-07-20 1980-02-07 Licentia Gmbh Hotplate switched on by presence of cooking utensil - measures voltage across AC-supplied capacitors and operates heating-circuit switch
US4308443A (en) * 1979-05-01 1981-12-29 Rangaire Corporation Induction cook-top with improved touch control
DE3002623A1 (en) * 1980-01-25 1981-07-30 Neff - Werke Carl Neff GmbH, 7518 Bretten BUILT-IN COOKER
US4334135A (en) * 1980-12-22 1982-06-08 General Electric Company Utensil location sensor for induction surface units
DE3117205A1 (en) * 1981-04-30 1982-12-02 Ernst Dipl.-Kfm. Dr. 7100 Heilbronn Haag Optoelectronic cooking panel controller
DE3209260A1 (en) * 1982-03-13 1983-09-22 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Cooking hob made of glass-ceramic material
DE8312896U1 (en) * 1982-11-08 1983-09-29 Buderus Ag, 6330 Wetzlar COOKING AREA WITH SWITCHING DEVICE ACTUATED BY THE COOKING VESSEL
DE3619762A1 (en) * 1986-06-12 1987-12-23 Licentia Gmbh Pan recognition device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327622A1 (en) * 1983-07-30 1985-02-07 Blanc Gmbh & Co, 7519 Oberderdingen Electrical hotplate for a glass-ceramic cooking plate
DE3533997A1 (en) * 1985-09-24 1987-03-26 Licentia Gmbh Cooking top with a number of cooking points
DE3711589A1 (en) * 1987-04-06 1988-10-27 Kueppersbusch Cooking appliance
DE3804170A1 (en) * 1987-04-06 1989-08-24 Kueppersbusch Cooking apparatus
DE3733108C1 (en) * 1987-09-30 1989-02-23 Bosch Siemens Hausgeraete Circuit arrangement for a pot (saucepan) recognition system with a pot recognition sensor
DE3737712A1 (en) * 1987-11-06 1989-05-24 Licentia Gmbh Method and device for protecting an electric stove against inadvertent operation

Also Published As

Publication number Publication date
EP0442275A2 (en) 1991-08-21
EP0442275B1 (en) 1995-05-03
DE4004129A1 (en) 1991-08-14
DE59105341D1 (en) 1995-06-08
US5296684A (en) 1994-03-22
ES2071841T3 (en) 1995-07-01
ATE122197T1 (en) 1995-05-15
JPH04227212A (en) 1992-08-17
JP2901100B2 (en) 1999-06-02

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