EP0575501B1 - Dispositif de controle d'un appareil de chauffage - Google Patents

Dispositif de controle d'un appareil de chauffage Download PDF

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Publication number
EP0575501B1
EP0575501B1 EP92908332A EP92908332A EP0575501B1 EP 0575501 B1 EP0575501 B1 EP 0575501B1 EP 92908332 A EP92908332 A EP 92908332A EP 92908332 A EP92908332 A EP 92908332A EP 0575501 B1 EP0575501 B1 EP 0575501B1
Authority
EP
European Patent Office
Prior art keywords
distinctive
sign
enclosure
control device
optical
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
EP92908332A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0575501A1 (fr
Inventor
Jean-Charles Dubuis
Nils Kongmark
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.)
BURGITO INTERNATIONAL
JCD INGENIERIE
Original Assignee
BURGITO INTERNATIONAL
JCD INGENIERIE
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 BURGITO INTERNATIONAL, JCD INGENIERIE filed Critical BURGITO INTERNATIONAL
Publication of EP0575501A1 publication Critical patent/EP0575501A1/fr
Application granted granted Critical
Publication of EP0575501B1 publication Critical patent/EP0575501B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6435—Aspects relating to the user interface of the microwave heating apparatus
    • H05B6/6438—Aspects relating to the user interface of the microwave heating apparatus allowing the recording of a program of operation of the microwave heating apparatus
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6435—Aspects relating to the user interface of the microwave heating apparatus
    • H05B6/6441—Aspects relating to the user interface of the microwave heating apparatus allowing the input of coded operation instructions, e.g. bar code reader
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits

Definitions

  • the present invention relates to a device for controlling the operation of a device for heating a product in an enclosure, and more particularly of a device for heating or reheating food products.
  • a heater according to the prior art is known from document WO-A-9003719.
  • the object of the present invention is a device for controlling the operation of a device for heating a product in an enclosure requiring minimum intervention by the user, preventing heating from starting if the safety conditions are not met while ensuring an exact heating sequence for a wide variety of products.
  • a device comprising optical and / or optoelectronic means for reading a distinctive sign inherent in the product or its packaging, a processing module comprising computer means for comparing the electrical signals resulting from the reading of the distinctive sign with stored reference values corresponding to predetermined reference signs assigned to the product or to its packaging, and electronic or electrotechnical means for generating operating commands for the heating appliance if the distinctive sign read corresponds to the reference signs.
  • control device only switches on the heating device if the distinctive sign read actually corresponds to a stored reference sign.
  • controls in duration, intensity and spatial distribution of heating are established by the control device very precisely as a function of the memorized reference sign matched with the distinctive sign read.
  • Such a control device finds all its application for heating appliances using microwaves, halogen or infrared lamps.
  • the heating appliance such as a microwave oven and generally designated by the reference 10 comprises in a housing 12 an enclosure 16 in which a drawer 14 actuated by means of a handle 15.
  • the enclosure 16 is surrounded by a waveguide device 18 making it possible to distribute the microwaves uniformly along the longitudinal axis of the enclosure 16.
  • the microwave generator device not shown, is supplied with electric current by a line 36 starting from a processing module 30 itself supplied with mains voltage from a line 32.
  • the product to be heated 5, or its packaging has on its top at least one distinctive sign.
  • This distinctive sign may be a series of black lines called a bar code, but for aesthetic reasons, a distinctive sign is preferred to it which is part of a general graphic advertising package.
  • the distinctive sign 6 consists of a letter C on the top of the packaging.
  • the distinctive sign may also be the name or the graphics of the name of a company manufacturing the product to be reheated 5. Any other distinctive sign may also be used.
  • Various geometric shapes can form part of the distinctive sign. These geometric shapes can be, for example, a square to define the duration of heating, a triangle to define the intensity of this heating and a circle to define the field of distribution of the heating.
  • the optical and / or optoelectronic means include an infrared optoelectronic detector 20 comprising a transmitting cell 21 and a receiving cell 22, said detector being located at the entrance and on the upper face of the enclosure 16.
  • these cells 21 and 22 are in fact placed behind a translucent part of the enclosure 16.
  • the optoelectronic detector receives energy and sends electrical signals along a line 34 to the module. treatment 30.
  • This processing module 30 includes a microprocessor 40, information storage computer means 42 accessible in read and write as well as a power supply module 43.
  • Information storage means 42 such as an EEPROM memory, can contain both the operating software of the processing module and reference data.
  • the microprocessor controls the power supply module 43 to send on line 36 electrical control orders controlling the start-up, the intensity and / or the duration and / or the distribution field of the microwave heating of the device 10.
  • the user takes the drawer 14 out of the enclosure 16 by pulling on the handle 15 and deposits on this drawer 14 the product 5 to be heated.
  • the optoelectronic detector 20 is triggered by electrical means, such as for example a limit switch, which causes the upper face to be read by the infrared receiver cell 22 of product 5, or only part of it.
  • the image appearing in the reading window has thus been converted by the optoelectronic detector 20 into a digital image, that is to say a series of electrical signals transmitted along the line 34 to the processing module 30 where these signals are first stored in a temporary memory contained in the information storage means 42.
  • the digital processing of this image can firstly consist in an increase in contrast to extract the outline of said digitized image, then a segmentation of the outline of the image by an analysis of the main vectors forming the distinctive sign 6.
  • the microprocessor makes a comparison between certain segments of the digital image processed and the segments of a reference image previously stored in memory 42 and representing the distinctive sign. If no segment of the reference image is recognized, the control device concludes that there is an unknown object which can be either a dangerous object for the heating appliance, such as a metallic object for a microwave oven, or a food product whose distinctive sign is unknown in the directory stored in the memory. In this case, the microprocessor blocks the power supply module 43, which prohibits the switching on of the heating device 10.
  • the microprocessor when the segments of a stored reference image are matched with the sign distinctive read, the microprocessor, once the recognition has been validated, can extract from the EEPROM memory the exact values in duration, intensity and distribution of heat to be supplied, values which it applies to the power supply module 43 for generation of the electrical orders applied to line 36 then to heater 10.
  • the optical and / or optoelectronic means consist of a micro-camera shown schematically at A by dotted lines in the figure.
  • the micro-camera includes a C.C.D. (coupled charge device) and is positioned outside the cooking enclosure 16, so as to be located above the drawer 14 when the latter is pulled out of the enclosure 16.
  • the micro-camera is, by example, a JUA-585 model from SANYO providing integrated infrared lighting (880 nM) -
  • the micro-camera has a sensitivity of 0.1 Lux to 20 Lux. The micro-camera ensures the lighting and the shooting of the distinctive sign inherent in the product or its packaging.
  • the analog image of said distinctive sign is then digitized and processed by the processing module 30 adapted to perform the digital processing and to further analyze the image.
  • the processing module 30 adapted to perform the digital processing and to further analyze the image.
  • the micro-camera takes a picture of the distinctive element present on the product 5
  • the image of the distinctive element is then processed by the module 30 as described above.
  • control device frees the user from any technical consideration allowing him to be faster in his action.
  • This device controls the heater very precisely and provides great security against errors of judgment or even malicious acts. Many improvements can be made to this device in the context of this invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Electric Ovens (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Cookers (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Control Of Resistance Heating (AREA)
  • General Preparation And Processing Of Foods (AREA)
EP92908332A 1991-03-11 1992-03-10 Dispositif de controle d'un appareil de chauffage Expired - Lifetime EP0575501B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9103148A FR2674005B1 (fr) 1991-03-11 1991-03-11 Dispositif de controle d'un appareil de chauffage
FR9103148 1991-03-11
PCT/FR1992/000214 WO1992016083A1 (fr) 1991-03-11 1992-03-10 Dispositif de controle d'un appareil de chauffage

Publications (2)

Publication Number Publication Date
EP0575501A1 EP0575501A1 (fr) 1993-12-29
EP0575501B1 true EP0575501B1 (fr) 1994-07-27

Family

ID=9410769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92908332A Expired - Lifetime EP0575501B1 (fr) 1991-03-11 1992-03-10 Dispositif de controle d'un appareil de chauffage

Country Status (11)

Country Link
US (1) US5504311A (pt)
EP (1) EP0575501B1 (pt)
JP (1) JPH06508910A (pt)
AT (1) ATE109329T1 (pt)
AU (1) AU1549192A (pt)
CA (1) CA2101852A1 (pt)
DE (1) DE69200283T2 (pt)
FR (1) FR2674005B1 (pt)
MX (1) MX9201046A (pt)
PT (1) PT100228B (pt)
WO (1) WO1992016083A1 (pt)

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US5321232A (en) * 1992-01-03 1994-06-14 Amana Refrigeration, Inc. Oven controlled by an optical code reader
DE4317624C1 (de) * 1993-05-27 1994-06-01 Christian Ihmels Verfahren und Vorrichtung zur automatischen Nahrungsmittelzubereitung
FR2707459B1 (fr) * 1993-07-12 1995-09-22 Nouzies Didier Procédé de préparation d'un mets pour personne possédant un four de cuisson à unité de programmation.
SE9500736D0 (sv) * 1995-02-28 1995-02-28 Whirlpool Europ Förfarande vid en ugn för styrning av ett uppvärmnings/tillagningsförlopp, och ugn, informationsgivare, tillagningskärl eller behållare för utförandet, samt användning av informationsgivaren i en ugn
SE9500738L (sv) * 1995-02-28 1996-08-29 Catering Dev Ab Behållare för uppvärmning genom strålning
JPH08291914A (ja) * 1995-04-20 1996-11-05 Fujitsu Ltd 電子レンジ加熱制御方式
SE9503201L (sv) * 1995-09-15 1997-03-16 C D Catering Dev Ab Behållare för beredning eller tillagning av t ex mat och dryck genom uppvärmning samt identifikationsbärare för användning vid sådana behållare
US5962839A (en) * 1996-09-17 1999-10-05 Interlego Ag Apparatus programmable to perform a user defined sequence of actions
US6550681B1 (en) 1999-02-18 2003-04-22 General Electric Company Internet related appliances
US6124583A (en) * 1999-04-19 2000-09-26 Bowers; Ford W. Barcode reading microwave oven
US20030080113A1 (en) * 2001-11-01 2003-05-01 Williamson Charles G. Intelligent oven appliance
US20030083758A1 (en) * 2001-11-01 2003-05-01 Williamson Charles G. Remote updating of intelligent household appliances
US20030083028A1 (en) * 2001-11-01 2003-05-01 Williamson Charles G. Remote programming of radio preset stations over a network
KR20040033128A (ko) * 2002-10-11 2004-04-21 삼성전자주식회사 전자렌지 및 그 제어방법
ITMI20022373A1 (it) * 2002-11-08 2004-05-09 Gioacchino Cagnazzi Dispositivo per il riscaldamento di prodotti alimentari
SE0302030L (sv) * 2003-07-07 2004-05-18 Real Food Sweden Ab Anordning för att åstadkomma temperaturstyrd uppvärmning av övervägande fasta livsmedel i en mikrovågsugn
KR20060019140A (ko) * 2004-08-26 2006-03-03 삼성전자주식회사 바코드 스캐너를 구비하는 전자레인지
US10687391B2 (en) 2004-12-03 2020-06-16 Pressco Ip Llc Method and system for digital narrowband, wavelength specific cooking, curing, food preparation, and processing
US8653482B2 (en) 2006-02-21 2014-02-18 Goji Limited RF controlled freezing
AU2008230824B2 (en) * 2007-03-27 2012-04-05 Premark Feg L.L.C. Cooking oven control system and related methods
EP2579755B1 (en) * 2010-06-11 2020-08-05 Pressco IP LLC Cookware and cook-packs for narrowband irradiation cooking and systems and methods thereof
US8372459B2 (en) 2010-06-15 2013-02-12 Cryovac, Inc. Cooking apparatus and method of cooking
EP2638325B1 (en) * 2010-11-12 2015-03-11 Convotherm Elektrogeräte GmbH A cooking device, and a procedure for cooking food
US9699835B2 (en) 2010-11-17 2017-07-04 Goji Limited Machine readable element and optical indicium for authenticating an item before processing
ES2399278B1 (es) * 2011-09-13 2014-07-25 Electrodomésticos Taurus, S.L. Horno de microondas
KR101678557B1 (ko) * 2015-04-23 2016-11-22 한국외국어대학교 연구산학협력단 고기 로스팅 상태 표시기
US10009957B2 (en) 2016-03-30 2018-06-26 The Markov Corporation Electronic oven with infrared evaluative control
US11229093B2 (en) 2016-04-07 2022-01-18 Panasonic Intellectual Property Management Co., Ltd. Cooker
CA3076234A1 (en) * 2017-09-18 2019-03-21 InterProducTec Consulting GmbH & Co. KG Monitoring system and food preparation system
CN109330394B (zh) * 2018-09-30 2021-06-25 贺运香 一种炉头可推拉的烹调器

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
DE1679068A1 (de) * 1966-12-15 1971-10-07 Jean Le Boulbouech Elektrische Heizeinrichtung fuer verpackte Lebensmittel
US4323773A (en) * 1980-01-17 1982-04-06 Litton Systems, Inc. Bar code controlled microwave oven
US4628351A (en) * 1984-04-23 1986-12-09 Samsung Electronics Co., Ltd. Cooking apparatus with a video display
JPS62175525A (ja) * 1986-01-28 1987-08-01 Sharp Corp 電子レンジ
US4711979A (en) * 1986-02-27 1987-12-08 General Foods Corporation Microwave oven video viewing device
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DE3702587A1 (de) * 1987-01-29 1988-08-11 Buderus Kuechentechnik Verfahren zum einstellen und steuern des programmablaufes eines gargeraetes
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US4814571A (en) * 1987-04-27 1989-03-21 Raytheon Company Microwave oven adapted for under-the-counter use
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JPS6425117A (en) * 1987-07-21 1989-01-27 Mazda Motor Information reader
JPH01213778A (ja) * 1988-02-19 1989-08-28 Omron Tateisi Electron Co 駐車場管理システム
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JPH0225635A (ja) * 1988-07-14 1990-01-29 Hitachi Heating Appliance Co Ltd 高周波加熱装置
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JPH02133711A (ja) * 1988-11-15 1990-05-22 Matsushita Electric Ind Co Ltd バーコード表示付き加工食品、バーコードリーダ付き電子レンジおよび加工食品の加熱方法
JP2552914B2 (ja) * 1989-05-19 1996-11-13 リンナイ株式会社 焼成庫
JPH03196180A (ja) * 1989-12-26 1991-08-27 Toshiba Lighting & Technol Corp 表示装置
JP2589592B2 (ja) * 1990-10-22 1997-03-12 シャープ株式会社 電子レンジ

Also Published As

Publication number Publication date
DE69200283D1 (de) 1994-09-01
MX9201046A (es) 1993-03-01
JPH06508910A (ja) 1994-10-06
FR2674005B1 (fr) 1998-03-06
WO1992016083A1 (fr) 1992-09-17
DE69200283T2 (de) 1994-12-01
EP0575501A1 (fr) 1993-12-29
US5504311A (en) 1996-04-02
PT100228B (pt) 1999-05-31
ATE109329T1 (de) 1994-08-15
FR2674005A1 (fr) 1992-09-18
PT100228A (pt) 1994-04-29
AU1549192A (en) 1992-10-06
CA2101852A1 (fr) 1992-09-12

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