WO2007054917A2 - Four - Google Patents

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Publication number
WO2007054917A2
WO2007054917A2 PCT/IB2006/054220 IB2006054220W WO2007054917A2 WO 2007054917 A2 WO2007054917 A2 WO 2007054917A2 IB 2006054220 W IB2006054220 W IB 2006054220W WO 2007054917 A2 WO2007054917 A2 WO 2007054917A2
Authority
WO
WIPO (PCT)
Prior art keywords
food
cooking
oven
cooked
ultrasonic sensor
Prior art date
Application number
PCT/IB2006/054220
Other languages
English (en)
Other versions
WO2007054917A3 (fr
Inventor
Bahar Akar
Mehmet Tolay
Sefa Hazir
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to EP06821413.9A priority Critical patent/EP1957873B1/fr
Publication of WO2007054917A2 publication Critical patent/WO2007054917A2/fr
Publication of WO2007054917A3 publication Critical patent/WO2007054917A3/fr

Links

Classifications

    • 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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/087—Arrangement or mounting of control or safety devices of electric circuits regulating heat
    • 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
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors

Definitions

  • This invention relates to an oven wherein means are provided to control the cooking of the foods which tend to rise during the cooking procedure.
  • ultrasonic transducers are utilized for detecting the cooking wherein the change in the ultrasonic signal permeability of the food is sensed by processing the signals sent via the transmitter.
  • the ultrasonic transmitter located at one side of the cooking container sends a signal whereas the change in the sound frequency is sensed by the receiver located at the other side of the cooking container.
  • a predetermined value of the mentioned sound frequency change is obtained, it is decided that cooking is finished.
  • the aim of the present invention is the realization of an oven wherein means are provided to cook food which tends to rise during the cooking procedure in accordance with the user preferences by controlling the height increase inside the cooking container.
  • a microwave in order to cook the pastry such as a cake that tends to rise during the cooking process and to obtain the surface crispiness preferred by the user, there are provided a microwave, an induction heater or a heater-fan mechanism and such a broiler as an electrical heater or a halogen lamp which operates within the principles of radiation to make the surface of the foods crispy.
  • the height change of the upper surface of the food rising during the cooking process is detected by means of an ultrasonic sensor wherein a microprocessor evaluating the signals received from the mentioned ultrasonic sensor decides when the broiling and heating elements will be activated and deactivated.
  • the ultrasonic sensor comprises a transmitter which sends sound waves at a certain frequency to the upper surface of the cooked food and a receiver sensing the change in the duration of reflection and magnitude of the sound waves which return by being reflected from the upper surface of the food, wherein said transmitter and receiver are positioned side by side at the ceiling of the cooking chamber so as to face the middle portion of the cooked food.
  • the cooking control is performed in a more effective manner wherein pastries like cakes etc. are cooked with the desired level of rising, surface color, crust thickness and hardness preferred by the user, as the transition moment from the rising to broiling is determined correctly.
  • Fig.l - is a schematic representation of an oven.
  • Fig.2 - is a front view of an oven.
  • the oven (1) comprises a cooking chamber (2) where cooking procedure is performed, a food container (3) which is placed into the cooking chamber (2) and into which such foods as pastries like cakes etc. that tend to rise during cooking are placed to be heated or cooked and, a microwave or induction heater (4) or a heater - fan mechanism whereby foods in the food container (3) are cooked.
  • the oven (1) in accordance with the present invention further comprises an ultrasonic sensor (6) used to detect the height change of the upper surface of the food rising during the cooking procedure and a microprocessor (7) which controls the cooking procedure by evaluating the signals received from the ultrasonic sensor (6).
  • the ultrasonic sensor (6) incorporates a transmitter (8) which sends sound waves at a certain frequency to the upper surface of the cooked food and, a receiver (9) which detects the change in the duration of reflection and magnitude of the sound waves sent by the mentioned transmitter (8) and return by being reflected by the upper surface of the cooked food.
  • the microprocessor (7) decides that the rising of the surface of the cooked food is continuing if it monitors a change in the duration of reflection and magnitude of the sound waves sent by the transmitter (8) and received by the receiver (9) and, decides that the rising of the surface of the cooked food is completed if it monitors a decrease in the change in the magnitude of the sound waves and in the duration of the reflection or that the magnitude of the sound waves and the duration of the reflection continues constantly without being changed.
  • the ultrasonic sensor (6) is positioned at the ceiling of the cooking chamber (2) so as to face the middle portion of the cooked food where the rising of the food is sensed effectively, in such a manner that the transmitter (8) and the receiver (9) are located side by side. Thereby, it is achieved that the sound waves sent by the transmitter (8) and reflected by the surface of the food are detected by the receiver (9) effectively .
  • the oven (1) further comprises such a broiler (5) as an electrical heater or a halogen lamp which operates within the principles of radiation whereby the surface of the foods gets crispy.
  • a two-stage cooking procedure is performed in order to cook such a pastry as a cake that tends to rise during the cooking process.
  • the heater (4) is activated to cook the pastry and the food starts to rise during this period.
  • the increase in the height of the food as it rises is detected by means of the ultrasonic sensor (6) and signals are sent to the microprocessor (7).
  • the microprocessor (7) decides that the rising of the surface of the cooked food is finished, it starts the second stage of the cooking procedure by deactivating the heater (4) and operating the broiler (5).
  • the broiler (5) By means of the broiler (5), the surface of the food which is risen in the first stage of the cooking procedure and the height of which now at the maximum level, is crisped.
  • the ultrasonic sensor (6) stays activated from the beginning of the cooking until the transition to the broiling stage and is deactivated after this transition as the broiler (5) being operated. Thereby, since the ultrasonic sensor (6) and the broiler (5) which are positioned at the ceiling of the cooking chamber (2) near each other, operate at different times, it is prevented that they affect each other.
  • the ultrasonic sensor (6) is activated at the instant where the first stage of the cooking procedure is started for such a food as a cake which tends to rise and is placed into the food container (3) and the height change of the cake dough is started to be detected.
  • signals are sent from the receiver (9) part of the ultrasonic sensor (6) to the microprocessor (7). According to the signal received from the receiver (9), by means of the microprocessor (7), process control is achieved.
  • the cake dough is rapidly cooked as it rises as a result of the operation of the heater (4).
  • free water evaporates at the boiling temperature.
  • crust formation is observed on the cake dough.
  • the crust formed does not permit the dough to further rise and following the mentioned crust formation, rising stops.
  • the microprocessor (7) starts the second stage of the cooking process wherein the microprocessor (7) deactivates the heater (4) and activates the broiler (5).
  • the ultrasonic sensor (6) is deactivated.
  • the second stage of the cooking procedure wherein the surface of the cake is crisped, ends at an instant in relation to the surface crispiness preferred by the user.
  • the cooking control is effectively performed by means of the ultrasonic sensor (6) wherein it is achieved to control the cooking procedure of such foods as patty for which rising is not preferred as well as of such foods as cake for which rising is preferred.
  • the ultrasonic sensor (6) correctly detects the height increase without being affected by the color change during the cooking procedure. It is accomplished to save energy by decreasing the cooking time and to cook such pastries as cake with preferred puffiness, surface color, crispiness, thickness and hardness since broiling is performed on time as the rising is completed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)

Abstract

La présente invention concerne un four (1), comprenant des moyens permettant de cuire de la pâte destinée à des gâteaux, entre autres, ayant tendance à gonfler lors de la cuisson, qui permet de réguler l’élévation de la surface du gâteau à l’aide d’un capteur ultrasonore (6) et de faire dorer la surface supérieure de la pâte à cuire de manière à ce que celle-ci lève un maximum.
PCT/IB2006/054220 2005-11-14 2006-11-13 Four WO2007054917A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06821413.9A EP1957873B1 (fr) 2005-11-14 2006-11-13 Four

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2005/04498 2005-11-14
TR200504498 2005-11-14

Publications (2)

Publication Number Publication Date
WO2007054917A2 true WO2007054917A2 (fr) 2007-05-18
WO2007054917A3 WO2007054917A3 (fr) 2007-09-07

Family

ID=37983360

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/054220 WO2007054917A2 (fr) 2005-11-14 2006-11-13 Four

Country Status (2)

Country Link
EP (1) EP1957873B1 (fr)
WO (1) WO2007054917A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007141332A3 (fr) * 2006-06-09 2008-05-08 Arcelik As Four
WO2012062864A1 (fr) 2010-11-11 2012-05-18 Arcelik Anonim Sirketi Four dans lequel le temps de cuisson est réduit
WO2012172353A1 (fr) * 2011-06-14 2012-12-20 Macphie Of Glenbervie Limited Procédé de fabrication d'un aliment au levain et son appareil
CN104235900A (zh) * 2014-09-12 2014-12-24 广东美的厨房电器制造有限公司 防止微波炉空载启动的装置、方法和微波炉
EP2846098A3 (fr) * 2013-09-09 2015-03-25 Whirlpool Corporation Appareil de cuisson comprenant un capteur de dimension de l'article à cuire
US20150226438A1 (en) * 2012-10-03 2015-08-13 Bekir Ozyurt Oven with increased cooking effectiveness

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264935A2 (fr) * 1986-10-22 1988-04-27 Matsushita Electric Industrial Co., Ltd. Dispositif de chauffage automatique à détecteur à ultra-sons
EP0271899A2 (fr) * 1986-12-17 1988-06-22 Matsushita Electric Industrial Co., Ltd. Four à réchauffer automatique fourni avec une aptitude pour l'identification d'un objet à chauffer
EP0526297A1 (fr) * 1991-07-15 1993-02-03 Lg Electronics Inc. Appareil de cuisson automatique et procédé pour four à micro-ondes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264935A2 (fr) * 1986-10-22 1988-04-27 Matsushita Electric Industrial Co., Ltd. Dispositif de chauffage automatique à détecteur à ultra-sons
EP0271899A2 (fr) * 1986-12-17 1988-06-22 Matsushita Electric Industrial Co., Ltd. Four à réchauffer automatique fourni avec une aptitude pour l'identification d'un objet à chauffer
EP0526297A1 (fr) * 1991-07-15 1993-02-03 Lg Electronics Inc. Appareil de cuisson automatique et procédé pour four à micro-ondes

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007141332A3 (fr) * 2006-06-09 2008-05-08 Arcelik As Four
WO2012062864A1 (fr) 2010-11-11 2012-05-18 Arcelik Anonim Sirketi Four dans lequel le temps de cuisson est réduit
WO2012172353A1 (fr) * 2011-06-14 2012-12-20 Macphie Of Glenbervie Limited Procédé de fabrication d'un aliment au levain et son appareil
US20150226438A1 (en) * 2012-10-03 2015-08-13 Bekir Ozyurt Oven with increased cooking effectiveness
EP2846098A3 (fr) * 2013-09-09 2015-03-25 Whirlpool Corporation Appareil de cuisson comprenant un capteur de dimension de l'article à cuire
US9668602B2 (en) 2013-09-09 2017-06-06 Whirlpool Corporation Cooking appliance
CN104235900A (zh) * 2014-09-12 2014-12-24 广东美的厨房电器制造有限公司 防止微波炉空载启动的装置、方法和微波炉

Also Published As

Publication number Publication date
WO2007054917A3 (fr) 2007-09-07
EP1957873B1 (fr) 2017-08-02
EP1957873A2 (fr) 2008-08-20

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