EP1224424B1 - Gaskocher - Google Patents

Gaskocher Download PDF

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Publication number
EP1224424B1
EP1224424B1 EP00992280A EP00992280A EP1224424B1 EP 1224424 B1 EP1224424 B1 EP 1224424B1 EP 00992280 A EP00992280 A EP 00992280A EP 00992280 A EP00992280 A EP 00992280A EP 1224424 B1 EP1224424 B1 EP 1224424B1
Authority
EP
European Patent Office
Prior art keywords
gas
cooking vessel
infrared sensor
temperature
cooking
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.)
Expired - Lifetime
Application number
EP00992280A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1224424A2 (de
Inventor
Andreas Marbach
Maximilian Neuhauser
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1224424A2 publication Critical patent/EP1224424A2/de
Application granted granted Critical
Publication of EP1224424B1 publication Critical patent/EP1224424B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/022—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using electronic means
    • 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
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2208/00—Control devices associated with burners
    • F23D2208/10—Sensing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/08—Household apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements

Definitions

  • the invention relates to a gas cooker according to the preamble of claim 1 at least one cooking zone, which has a gas burner and a cooking vessel support, with a temperature sensor means for measuring the temperature of a cooking vessel on the cooking vessel support, and with an electrical circuit for adjustment the gas supply to the gas burner at a flow adjuster depending on a setpoint of a setpoint generator and depending on the measured Temperature.
  • the gas cooker can be a gas stove or a gas hob or another type of gas cooker his.
  • the flow adjuster is a gas tap or a controllable valve, in particular a proportional valve.
  • the cooking vessel can be a pot or a pan or be a plate or the like, in or on which solid or liquid food can be prepared.
  • a gas cooker of this type which is known from EP 0 802 374 A1
  • a an electrical cable with a temperature sensor that can be hung into the cooking vessel Plug, which in a socket arranged on a control panel electrical control circuit can be inserted.
  • the temperature sensor interferes with the treatment of food in the cooking vessel and the cable hampers the handling of the Cooking vessel.
  • the object of the invention is to be achieved by a possibility for a gas cooker to create by which the treatment temperature of dishes of the cooking vessel measured and controlled wirelessly and free of essential measurement errors or can be regulated without expensive special constructions or measures for the cooking vessel are required, which when handling the cooking vessel or are disruptive when preparing food in the cooking vessel.
  • the invention provides an infrared sensor for measuring temperature-dependent infrared radiation the cooking vessel provided.
  • Fig. 1 shows schematically and partially in vertical section a gas hob 2, which Can be built into a kitchen furniture or part of a gas stove. It contains one, preferably several cooking zones, each with a gas burner 4 and one this surrounding cooking vessel support 6, which has a plurality of support arms.
  • an infrared sensor 8 is arranged so that the Cold gas generating gas flames 10 of the gas burner 4 on the gas path 12 flows past him and cools him. This allows the accuracy of the infrared measurement increase.
  • the infrared sensor 8 is against the center of the lower bottom surface of the vessel bottom 14 of a cooking vessel 16 which is placed on the cooking vessel support 6 stands. As a result, the infrared sensor 8 measures the surface temperature of the bottom of the cooking vessel 14.
  • the cooking vessel 16 can be a pot or a pan or a plate or the like for the preparation of dishes.
  • the bottom of the cooking vessel 14 is preferably at least in its from the infrared sensor 8 metrologically recorded area with a material (element or color or Surface condition), which is much more temperature-dependent Infrared radiation generated than in other areas of the cooking vessel, which in 1 is represented by an x marking 18.
  • the optical channel is so that the gas flames 10 do not influence the measurement signal 20 of the infrared sensor 8 with a protective tube 22 surrounding it against the influence the gas flames 10 protected.
  • the infrared sensor 8 is connected to one through one or more electrical lines 24 electrical or electronic circuit 26 connected for adjustment, in the form a control or in the form of a regulation, the gas supply to the gas burner 4 on a flow adjuster 28 as a function of a setpoint value manual setpoint generator 29 on a control panel 30 and depending on the temperature measured by the infrared sensor 8 on the outer Surface of the cooking vessel 16.
  • the "adjustment" of the gas supply can be done by a Control circuit or regulating circuit of the electrical or electronic circuit 26 can be realized.
  • the "flow adjuster” 26 may be a gas tap or a Valve, for example a proportional valve.
  • the electrical or electronic Circuit 26 can be designed as a pot detection circuit which is dependent of temperature-related changes in infrared radiation per unit of time caused by the infrared sensor is measured, recognizes whether a cooking vessel 16 on the cooking vessel carrier 6 stands above the gas burner 4 or not, and depending on it actuated the flow adjuster 26 and / or an optically or acoustically recognizable Signal generated.
  • gas supply channels in the gas burner formed for the flames 10 there are 4 gas supply channels in the gas burner formed for the flames 10, which are not visible in Fig. 1, and the gas flow path 12 is not used for gas, but for air, which on the infrared sensor 8 flows past to cool it.
  • This air of the flow path 12 can in part or in total, in addition to the infrared sensor 8, also to the gas flames 10 flow to aid gas combustion.
  • the infrared sensor 8 is laterally spaced apart from a cooking vessel 16 arranged and directed against an outer peripheral surface of the pot wall to in Depending on their temperature, measure infrared radiation generated like this has been described with reference to FIG. 1.
  • the cooking vessel 16 has in the range of optical channel 20 of the infrared sensor 8 on the outer peripheral surface 18-2 a material strip extending around the entire circumference of the vessel, which through a mark 18-2 is marked and made of a material (element or Color or surface texture) or contains such Infrared radiation is much more temperature-dependent than the rest Areas of the cooking vessel 16.
  • the output signal of the Infrared sensor 8 preferably in control electronics of the electrical or processed electronic circuit 26.
  • the one formed by circuit 26 The controller generates a control signal which is based on the electrically operated Flow adjuster 28 acts.
  • the setting of the desired temperature setpoints the cooking vessel 16 or the vessel contents through automatic operation, and alternatively the adjustment of the gas supply in normal operation is done on the control panel 30 by manual controls, such as rotary coding switches or Touch switches, such as this.
  • B. schematically by the setpoint generator 29 is shown.
  • infrared sensors 8 can be around the Circumference of the cooking vessel 16 can be arranged distributed around. So that can Average temperature values formed and / or optimal positioning of the cooking vessel 16 can be determined relative to the infrared sensors 8 by the circuit 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Control Of Combustion (AREA)
  • Radiation Pyrometers (AREA)
  • Electric Ovens (AREA)
  • Glass Compositions (AREA)
EP00992280A 1999-10-14 2000-10-11 Gaskocher Expired - Lifetime EP1224424B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19949601 1999-10-14
DE19949601A DE19949601A1 (de) 1999-10-14 1999-10-14 Gaskocher
PCT/EP2000/010034 WO2001027535A2 (de) 1999-10-14 2000-10-11 Gaskocher

Publications (2)

Publication Number Publication Date
EP1224424A2 EP1224424A2 (de) 2002-07-24
EP1224424B1 true EP1224424B1 (de) 2004-02-11

Family

ID=7925669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00992280A Expired - Lifetime EP1224424B1 (de) 1999-10-14 2000-10-11 Gaskocher

Country Status (7)

Country Link
US (1) US6554197B2 (tr)
EP (1) EP1224424B1 (tr)
AT (1) ATE259492T1 (tr)
DE (2) DE19949601A1 (tr)
ES (1) ES2215794T3 (tr)
TR (1) TR200200980T2 (tr)
WO (1) WO2001027535A2 (tr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016006242U1 (de) 2016-05-06 2016-12-02 Moser Systeme Gmbh Berührungslose Temperaturmessung an Kochfeldern
DE102021116344A1 (de) 2021-06-24 2022-12-29 Vaillant Gmbh Verfahren und Anordnung zur Beobachtung von Verbrennungsvorgängen sowie Computerprogramprodukt

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US20040016348A1 (en) * 2002-07-24 2004-01-29 Richard Sharpe Electronic cooking pan systems and methods
US20050037303A1 (en) * 2003-08-15 2005-02-17 Bachinski Thomas J. Generation of electricity in a fireplace using thermoelectric module
US7005988B2 (en) * 2003-09-19 2006-02-28 International Business Machines Corporation Using radio frequency identification to detect and/or prevent theft and shoplifting
US20060033620A1 (en) * 2003-09-19 2006-02-16 International Business Machines Corporation Using radio frequency identification with transaction receipts to detect and/or prevent theft and shoplifting
GB0504598D0 (en) * 2005-03-05 2005-04-13 Ceramaspeed Ltd Electrical heating assembly
ES2250014B1 (es) * 2005-09-28 2006-11-16 Laura Ortiz Murat Dispositivo de control para aparatos de cocina y aparato de cocina dotado de dicho dispositivo.
SE529587C2 (sv) * 2005-10-21 2007-09-25 Hans-Goeran Aahlander En matlagningsanordning med sensorinrättning och ett matlagningskärl
CN101690389B (zh) * 2007-06-22 2012-06-06 松下电器产业株式会社 感应加热烹调器
DE102007058945A1 (de) * 2007-12-07 2009-06-10 BSH Bosch und Siemens Hausgeräte GmbH Kochstelle und Verfahren zur Temperaturregelung der Kochstelle
US8863734B2 (en) * 2008-12-01 2014-10-21 General Electric Company Gas grill
DE102009014570A1 (de) * 2009-03-17 2010-09-23 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Steuerung einer Kochstelle eines Gasherdes sowie Vorrichtung
DE102012210851A1 (de) * 2012-06-26 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Induktionskochgerät mit IR-Sensor
ITTO20121156A1 (it) * 2012-12-27 2014-06-28 Indesit Co Spa Apparecchio di cottura con dispositivo di esclusione di punti cottura
WO2014160570A1 (en) 2013-03-27 2014-10-02 Electrolux Home Products, Inc. Cross heating thermocouple based pan sensing
JP6426151B2 (ja) 2013-04-22 2018-11-21 ウッド ストーン コーポレーションＷｏｏｄ Ｓｔｏｎｅ Ｃｏｒｐｏｒａｔｉｏｎ ピザオーブン
DE102013218339A1 (de) * 2013-09-12 2015-03-12 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Topferkennung und Gaskochfeld
ES2533143A1 (es) * 2013-10-02 2015-04-07 Bsh Electrodomésticos España, S.A. Punto de cocción a gas, disposición de campo de cocción, y procedimiento para poner en funcionamiento un punto de cocción a gas.
GB2520088A (en) * 2013-11-12 2015-05-13 Yougreen Ltd Gas burner safety system, sensor unit and method
CN104089308A (zh) * 2014-07-29 2014-10-08 祁旭东 用于燃气灶的自动多功能烹饪系统及其工作方法
CN104102251A (zh) * 2014-07-29 2014-10-15 祁旭东 用于民用电能加热炉的温控系统及其工作方法
CN104110705A (zh) * 2014-07-29 2014-10-22 祁旭东 智能燃气灶系统及其工作方法
CN104101004A (zh) * 2014-07-29 2014-10-15 祁旭东 用于燃气灶的自动多功能移动烹饪系统及其工作方法
CN104075351A (zh) * 2014-07-29 2014-10-01 祁旭东 用于燃气灶的温控系统及其工作方法
WO2016181191A1 (en) 2015-05-12 2016-11-17 Yougreen Limited Gas burner safety device, system and alarm
US10935252B2 (en) 2015-09-04 2021-03-02 Electrolux Home Products, Inc. Methods and apparatus for controlling a cooking appliance
ES2612719B1 (es) 2015-11-17 2018-02-27 Bsh Electrodomésticos España, S.A. Punto de cocción a gas y disposición de campo de cocción
CN107289470B (zh) * 2016-04-11 2019-06-14 众智光电科技股份有限公司 具有温度感测功能的瓦斯炉
CN109974036A (zh) * 2017-12-27 2019-07-05 博西华电器（江苏）有限公司 燃气灶
CN109990316B (zh) * 2017-12-29 2024-04-30 青岛海尔智慧厨房电器有限公司 一种燃气灶具燃烧器及燃气灶具
CN109237531B (zh) * 2018-09-04 2020-09-22 佛山市顺德区美的洗涤电器制造有限公司 防干烧的控制方法和防干烧系统
CN109798552B (zh) * 2018-12-30 2020-12-29 佛山市顺德区美的洗涤电器制造有限公司 一种灶具离锅判定方法和装置
CN109812840B (zh) * 2018-12-30 2021-01-26 佛山市顺德区美的洗涤电器制造有限公司 烹饪温度检测方法、装置及灶具
US11226107B1 (en) 2019-01-30 2022-01-18 Wood Stone Corporation Oven debris collection system
US10830450B2 (en) 2019-02-08 2020-11-10 Haier Us Appliance Solutions, Inc. Power limited closed loop cooking with a gas burner
US11497341B2 (en) * 2019-10-03 2022-11-15 Bsh Home Appliances Corporation Temperature sensing and smart gas cooking
JP7394701B2 (ja) * 2020-05-27 2023-12-08 リンナイ株式会社 加熱調理器
CN111856494A (zh) * 2020-06-18 2020-10-30 华帝股份有限公司 一种锅具状态检测装置及检测方法
US11415323B2 (en) 2020-11-18 2022-08-16 Haier Us Appliance Solutions, Inc. Cooking utensil confirmation for a cooktop appliance
DE102021203466A1 (de) * 2021-04-08 2022-10-13 BSH Hausgeräte GmbH Verfahren zum Überwachen eines Kochvorgangs und Überwachungssystem

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016006242U1 (de) 2016-05-06 2016-12-02 Moser Systeme Gmbh Berührungslose Temperaturmessung an Kochfeldern
DE102021116344A1 (de) 2021-06-24 2022-12-29 Vaillant Gmbh Verfahren und Anordnung zur Beobachtung von Verbrennungsvorgängen sowie Computerprogramprodukt

Also Published As

Publication number Publication date
EP1224424A2 (de) 2002-07-24
ES2215794T3 (es) 2004-10-16
ATE259492T1 (de) 2004-02-15
US20020130190A1 (en) 2002-09-19
WO2001027535A2 (de) 2001-04-19
DE19949601A1 (de) 2001-04-19
TR200200980T2 (tr) 2002-08-21
DE50005272D1 (de) 2004-03-18
US6554197B2 (en) 2003-04-29
WO2001027535A3 (de) 2001-10-18

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