EP1224424A2 - Gaskocher - Google Patents
GaskocherInfo
- Publication number
- EP1224424A2 EP1224424A2 EP00992280A EP00992280A EP1224424A2 EP 1224424 A2 EP1224424 A2 EP 1224424A2 EP 00992280 A EP00992280 A EP 00992280A EP 00992280 A EP00992280 A EP 00992280A EP 1224424 A2 EP1224424 A2 EP 1224424A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- cooking vessel
- infrared sensor
- temperature
- infrared
- 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
-
- 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 with 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 adjusting the gas supply to the gas burner a flow adjuster depending on a setpoint of a setpoint generator and depending on the measured
- the gas cooker can be a gas cooker or a gas hob or another type of gas cooker.
- 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 a plate or the like, in or on which solid or liquid dishes can be prepared.
- a temperature sensor which can be suspended in the cooking vessel has an electrical cable with a
- Plug which can be inserted into a socket of an electrical control circuit arranged on a control panel.
- the temperature sensor interferes with the treatment of food in the cooking vessel and the cable hinders the handling of the cooking vessel.
- EP 0 074 108 A2 also discloses a temperature sensor which can be suspended in a cooking vessel and also a temperature sensor which is arranged on the outside of a vessel bottom of a cooking vessel and which are each connected to an electrical heat control circuit. In both embodiments, the required connecting line between the temperature sensor and the electrical circuit interferes. If a temperature sensor is attached to the underside of a vessel bottom, the Another disadvantage is that a temperature distorted by the gas flames is measured instead of the temperature of the food in the cooking vessel.
- Transition area from the bottom of the pot to the wall of the pot is provided with a radiation surface which extends in a ring around the saucepan and a radiation sensor is directed onto the radiation surface of the saucepan placed on the heating plate.
- a wireless signal transmission path is designed as an infrared path and a battery-powered transmitter is provided on the saucepan, which must be removed for safety reasons when cleaning the saucepan. This requires extensive constructive measures and interferes with the handling of the saucepan.
- the invention is intended to solve the problem of creating a possibility for a gas cooker by means of which the treatment temperature of dishes in the cooking vessel can be measured and controlled wirelessly and free of essential measurement errors, without requiring expensive special constructions or measures for the cooking vessel which are disruptive when handling the cooking vessel or when preparing food in the cooking vessel.
- the invention provides an infrared sensor for measuring temperature-dependent infrared radiation from the cooking vessel.
- the infrared sensor can be arranged and aligned with the position of the cooking vessel in such a way that the measured temperature essentially corresponds to the food in the cooking vessel and is not significantly distorted by the heat in the immediate vicinity of the gas flames.
- FIG. 3 schematically shows a top view of the gas cooker and an infrared sensor from FIG. 2.
- Fig. 1 shows schematically and partially in vertical section a gas hob 2, which can be installed in a kitchen furniture or part of a gas stove. It contains one, preferably several cooking zones, each with a gas burner 4 and a cooking vessel support 6 surrounding it, which has several support arms.
- an infrared sensor 8 is arranged such that the cold gas of the gas burner 4, which generates the gas flames 10, flows past it on the gas path 12 and cools it in the process. This can increase the accuracy of the infrared measurement.
- the infrared sensor 8 is directed towards the center of the lower bottom surface of the vessel bottom 14 of a cooking vessel 16, which stands on the cooking vessel carrier 6. As a result, the infrared sensor 8 measures the surface temperature of the cooking vessel base 14.
- the cooking vessel 16 can be a pot or a pan or a plate or the like for preparing dishes.
- the cooking vessel base 14 is preferably at least in its area measured by the infrared sensor 8 with a material (element or color or Surface texture) provided, which generates infrared radiation much more temperature-dependent than in other areas of the cooking vessel, which is shown in Fig. 1 by an x-mark 18.
- the optical channel is so that the gas flames 10 do not influence the measurement signal
- the infrared sensor 8 is connected through one or more electrical lines 24 to an electrical or electronic circuit 26 for setting, in the form of a control or in the form of a regulation, the gas supply to the gas burner 4 at a flow adjuster 28 as a function of a setpoint of a 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 "setting" 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 can 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, depending on temperature-related changes in the infrared radiation per unit of time measured by the infrared sensor, detects whether or not a cooking vessel 16 is on the cooking vessel carrier 6 above the gas burner 4 , and which, depending on this, actuates the flow adjuster 26 and / or generates an optically or acoustically recognizable signal.
- gas supply channels for the flames 10, which are not visible in FIG. 1, are formed in the gas burner 4, and the gas flow path 12 does not serve for gas, but for air, which flows past the infrared sensor 8 for cooling it.
- This air of the flow path 12 can also flow to the gas flames 10 in part or in total, in addition to the infrared sensor 8, in order to support the gas combustion.
- the infrared sensor 8 is arranged laterally at a distance next to a cooking vessel 16 and directed against an outer peripheral surface of the pot wall in order to measure infrared radiation generated as a function of its temperature, as is the case with reference was described on Fig. 1.
- the cooking vessel 16 has in the region of the optical channel 20 of the infrared sensor 8 on the outer circumferential surface 18-2 a strip of material extending around the entire circumference of the vessel, which is identified by a marking 18-2 and consists of a material (element or color or surface quality) or contains such, which generates infrared radiation much more temperature-dependent than the rest
- the output signal of the infrared sensor 8 is preferably processed in control electronics of the electrical or electronic circuit 26.
- the controller formed by the circuit 26 generates an actuating signal which is based on the electrically operated one
- Flow adjuster 28 acts.
- the setting of the desired temperature setpoints of the cooking vessel 16 or the vessel contents by automatic operation, and alternatively the setting of the gas supply in normal operation, is done on the control panel 30 by manual control elements, for example rotary coding switches or touch switches, such as, for. B. is shown schematically by the setpoint generator 29.
- a plurality of infrared sensors 8 can be arranged distributed around the circumference of the cooking vessel 16. Average temperature values can thus be formed and / or an optimal positioning of the cooking vessel 16 relative to the infrared sensors 8 can be determined 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)
- Glass Compositions (AREA)
- Electric Ovens (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19949601A DE19949601A1 (de) | 1999-10-14 | 1999-10-14 | Gaskocher |
DE19949601 | 1999-10-14 | ||
PCT/EP2000/010034 WO2001027535A2 (de) | 1999-10-14 | 2000-10-11 | Gaskocher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1224424A2 true EP1224424A2 (de) | 2002-07-24 |
EP1224424B1 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 (de) |
EP (1) | EP1224424B1 (de) |
AT (1) | ATE259492T1 (de) |
DE (2) | DE19949601A1 (de) |
ES (1) | ES2215794T3 (de) |
TR (1) | TR200200980T2 (de) |
WO (1) | WO2001027535A2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE102012210851B4 (de) * | 2012-06-26 | 2024-07-11 | BSH 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 |
EP2979034A1 (de) | 2013-03-27 | 2016-02-03 | Electrolux Home Products, Inc. | Auf kreuzerwärmungsthermoelement basierende erfassung von kochtöpfen |
WO2014176285A1 (en) | 2013-04-22 | 2014-10-30 | Wood Stone Corporation | Pizza oven |
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 |
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 |
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 |
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 |
DE202016006242U1 (de) | 2016-05-06 | 2016-12-02 | Moser Systeme Gmbh | Berührungslose Temperaturmessung an Kochfeldern |
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 |
US12066192B2 (en) | 2018-11-29 | 2024-08-20 | Broan-Nutone Llc | Smart indoor air venting system |
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 |
DE102021116344A1 (de) | 2021-06-24 | 2022-12-29 | Vaillant Gmbh | Verfahren und Anordnung zur Beobachtung von Verbrennungsvorgängen sowie Computerprogramprodukt |
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GB2072334A (en) * | 1980-03-24 | 1981-09-30 | Thorn Domestic Appliances Ltd | Temperature responsive apparatus |
US4465228A (en) * | 1981-09-09 | 1984-08-14 | Matsushita Electric Industrial Co., Ltd. | Cooker with heating control system |
DE3341234C1 (de) | 1983-11-15 | 1985-05-15 | Kurt Wolf & Co Kg, 7547 Wildbad | Anordnung zum Messen der Temperatur in einem Heizsystem aus Heizplatte und Kochtopf |
IT1178820B (it) * | 1984-01-16 | 1987-09-16 | Indesit | Gruppo sensore di un sistema di controllo automatico della temperatura raggiunta da alimenti in recipienti riscaldati da fiamma ottenuta da un bruciatore di gas |
FR2633482B1 (fr) * | 1988-06-22 | 1996-03-08 | Seb Sa | Recipient culinaire, procede et dispositif de regulation thermique du chauffage de ce recipient |
JP3077150B2 (ja) * | 1990-02-09 | 2000-08-14 | 松下電器産業株式会社 | 調理器 |
JPH0894086A (ja) * | 1994-09-29 | 1996-04-12 | Tokyo Gas Co Ltd | 保温調理装置 |
DE19549064B4 (de) * | 1995-12-29 | 2004-12-02 | BSH Bosch und Siemens Hausgeräte GmbH | Steuerschaltung zur Durchführung von Garungsvorgängen |
IT1283738B1 (it) * | 1996-04-15 | 1998-04-30 | Whirpool Europ S R L | Apparecchio funzionante a gas per il riscaldamento e/o cottura di alimenti e simili |
DE19649914A1 (de) * | 1996-12-02 | 1998-06-04 | Bosch Siemens Hausgeraete | Sensorgesteuerte Garungseinheit mit Kondensatfalle in der konstruktiven Funktionseinheit |
US5945017A (en) * | 1997-08-06 | 1999-08-31 | Cheng; Yu-Tarng | Fire safety device for stove-top burner |
US6133552A (en) * | 1999-08-11 | 2000-10-17 | General Electric Company | Sensor assembly for glass-ceramic cooktop appliance and method of calibrating |
-
1999
- 1999-10-14 DE DE19949601A patent/DE19949601A1/de not_active Ceased
-
2000
- 2000-10-11 TR TR2002/00980T patent/TR200200980T2/xx unknown
- 2000-10-11 EP EP00992280A patent/EP1224424B1/de not_active Expired - Lifetime
- 2000-10-11 DE DE50005272T patent/DE50005272D1/de not_active Expired - Lifetime
- 2000-10-11 ES ES00992280T patent/ES2215794T3/es not_active Expired - Lifetime
- 2000-10-11 AT AT00992280T patent/ATE259492T1/de not_active IP Right Cessation
- 2000-10-11 WO PCT/EP2000/010034 patent/WO2001027535A2/de active IP Right Grant
-
2002
- 2002-04-15 US US10/122,617 patent/US6554197B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0127535A2 * |
Also Published As
Publication number | Publication date |
---|---|
US6554197B2 (en) | 2003-04-29 |
EP1224424B1 (de) | 2004-02-11 |
TR200200980T2 (tr) | 2002-08-21 |
WO2001027535A3 (de) | 2001-10-18 |
DE50005272D1 (de) | 2004-03-18 |
WO2001027535A2 (de) | 2001-04-19 |
ATE259492T1 (de) | 2004-02-15 |
DE19949601A1 (de) | 2001-04-19 |
ES2215794T3 (es) | 2004-10-16 |
US20020130190A1 (en) | 2002-09-19 |
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