EP1212570A1 - Systeme de commande ou de reglage d'une cuisiniere - Google Patents

Systeme de commande ou de reglage d'une cuisiniere

Info

Publication number
EP1212570A1
EP1212570A1 EP00949468A EP00949468A EP1212570A1 EP 1212570 A1 EP1212570 A1 EP 1212570A1 EP 00949468 A EP00949468 A EP 00949468A EP 00949468 A EP00949468 A EP 00949468A EP 1212570 A1 EP1212570 A1 EP 1212570A1
Authority
EP
European Patent Office
Prior art keywords
steam
cooking
control
regulating device
heating energy
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
EP00949468A
Other languages
German (de)
English (en)
Other versions
EP1212570B1 (fr
Inventor
Frank Liese
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 EP1212570A1 publication Critical patent/EP1212570A1/fr
Application granted granted Critical
Publication of EP1212570B1 publication Critical patent/EP1212570B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems

Definitions

  • the invention relates to a control or regulating device of a cooker, which has a hob with at least one cooking zone, according to the preamble of claim 1.
  • the cooker is preferably electrically heated, but the invention can also be used for gas-heated cookers.
  • the cooking zone in a hob of an electric cooker can be formed by an electric heating plate or by one or more electric heating elements under a plate made of ceramic or of another heat-resistant material.
  • the object of the invention is to achieve a simple and inexpensive way to avoid unnecessarily high energy consumption for cooking food and liquids after the boiling point or boiling point has been reached.
  • control or regulating device is designed to react to cooking steam and, depending on the cooking steam, to influence the heating energy of at least one cooking zone of the hob of a cooker. NEN amount of steam, the heating energy of the cooking zone in question is reduced so far that only the heating energy necessary to maintain the boiling point temperature is supplied.
  • measuring the amount of steam means not only the possibility of measuring the amount of steam actually generated per unit of time, but preferably a method by which the amount of steam is measured indirectly, for example by detecting the heat of steam and / or the steam density and / or the steam flow rate.
  • inexpensive temperature sensors, density measuring devices, flow meters or, depending on the density, ultrasonic distance measuring devices which extend across the steam path can be used.
  • EP 0 443 141 A2 discloses a circuit arrangement for controlling a fan, in particular in the case of an extractor hood above a cooker, as a function of vapors pulling towards the fan, in which an ultrasound path with an ultrasound transmitter and a Ultrasonic receiver is arranged to measure the amount of steam and to control the fan as a function of this detected amount of steam. From the same document it is also known to regulate the fan (fan, blower or its motor) depending on the moisture and / or haze and / or smoke and / or heat flowing through the extractor hood, which is detected by a sensor element becomes. It is also known from this document to control the fan as a function of a temperature difference between the temperature of the cooking fumes (steam) and the ambient temperature.
  • such a control or regulating device of an extractor hood can not only control or regulate the heating energy of one or more cooking zones of a cooker which is arranged under such an extractor hood at the same time or instead.
  • control or regulating device of the cooker according to the invention can also be part of a central electronic control system in a building, ie a system as is also known under the name "home electronic system".
  • the cooker is preferably designed such that the heating energy of its cooking zones can be individually adjusted continuously or in small steps by the control or regulating device according to the invention.
  • control or regulating device of the invention can optionally be switched on or off manually.
  • the cooker In the switched-off state, the cooker can be switched on and off manually in a known manner and / or can be automatically controlled or regulated by an integrated system.
  • the invention has the advantage that substantial energy savings can be achieved.
  • increased operational safety is also achieved by measures by means of which dangerous operating situations of the cooker are recognized and predetermined safety measures are triggered as a function thereof.
  • measures by means of which dangerous operating situations of the cooker are recognized and predetermined safety measures are triggered as a function thereof. Examples: In the event of an abrupt interruption or sharp reduction in the amount of steam, even though the relevant cooking zone is switched on, it can be assumed that the relevant saucepan or pan has been removed from the stove. In this case, the control or regulating device can automatically switch off the heating energy of the relevant cooking zone. With a slow reduction in the amount of steam and a corresponding decrease in the steam signals, even though the relevant cooking zone is switched on unchanged, the conclusion can be drawn that, for example, all water or fat has evaporated.
  • the control or regulating device is preferably designed such that it detects such a slow reduction in the development of haze without the heating energy being reduced, and then switches off the relevant cooking zone.
  • the control or regulating device can be designed in this way, e.g. be provided with electronic logic to operate at steam change rates, i.e. Change per unit of time responds.
  • the control or regulating device of the invention is preferably designed in such a way that it depends on the number of the cooking zones switched on and / or their size and / or their power levels, the signals from the sensor device and, if they function as an extractor hood Cooking range is combined, the fan the extractor hood switches on or off and / or controls.
  • the control or regulating device is preferably designed in such a way that, in the event of excessive steam development, it reduces the performance of the cooking zone in question until the steam development corresponds to "normal" or "gentle” cooking.
  • control or regulating device of the invention can be designed in such a way that it monitors several cooking zones of a cooktop or also several cooktops.
  • control or regulating device can be designed in such a way that when several cooking zones are switched on at the same time, by "test-wise" reduction of the heating energy from several cooking zones, it consecutively looks for the cooking zone which is overheated.
  • This decision which is made by the control or regulating device, can also be made by following the development of the signals over time from the time the relevant cooking zone is switched on, for example by measuring the time-dependent steam development or temperature development of the steam and, if appropriate, also the time-dependent heating output.
  • Other operating parameters and criteria that can be automatically taken into account by the control or regulating device can include the manually switched on heating output of the cooking zones and the size of the cooking zones, the time from switching on a cooking zone to the development of a certain amount of steam or until there is no steam development, or a rapid or slow decrease in the steam development or the steam criteria associated therewith, such as steam temperature and / or steam density.
  • Fig. 1 shows schematically a front view of a control or regulating device of a cooker according to the invention in combination with a steam extractor hood arranged above the hob of the cooker.
  • FIG. 1 shows an electric cooker 2 with, for example, four cooking zones 4 in a cooktop 6.
  • Each cooking zone 4 contains, under a ceramic plate 8, at least one electric heating element, which can be switched on and off manually by a manual control element 10 on the front of the cooker and gradually to a desired heating energy or is continuously adjustable.
  • the cooker may include an oven 12.
  • An extractor hood 20 is arranged above the stove and extends essentially over all cooking zones 4.
  • the extractor hood 20 contains a fan 22 and a steam filter 24 in front of it in the steam exhaust path above a grille 26.
  • a control or regulating device 30 registers the steam rising from the cooking zones 4 when cooking food (food) and when cooking liquids such as soup, vegetables or water, and limits, controls or regulates the heating energy of the cooking zones depending on the registered steam 4th
  • the control or regulating device 30 can be arranged on or in the cooker 2 or on or in the extractor hood 20.
  • the control or regulating device is functionally connected to a sensor device 32 which is arranged in the steam extraction path of the cooking zones 4, preferably on or in the extractor hood 20.
  • the sensor device 32 generates a signal depending on the registered steam, for example depending on the Vapor density, steam flow rate, steam temperature and / or other steam values.
  • one or more of the following or further functions can be provided in the control or regulating device 30: switching off or reducing the heating energy of the relevant cooking zone 4 when a predetermined limit value is exceeded and switching on the heating energy again when the relevant steam value drops below the limit; Regulating the heating energy of the relevant cooking zone as a function of a predetermined target value, which can be a fixed value or a variable target value that can be set as a function of the manual setting element 10; Switching, control or regulating processes depending on the time period within which changes in the steam are registered by the sensor device 32, for example complete switching off of the heating energy of the cooking zone 4 in question if the steam signals suddenly fail to appear or if the registered steam value falls below a predetermined value a short time, for example because a saucepan or pan has been removed from the cooking zone in question, or with a slow decrease in steam generation, in each case with the heating energy setting on the manual control element 10 remaining unchanged, because this could be a sign that all water or fat has evaporated and therefore there is
  • the control or regulating device 30 can be designed with an alarm device for generating an alarm signal if it recognizes that the predetermined safety criteria are exceeded in it.
  • the sensor device 32 can have an ultrasound measuring section across the steam path with an ultrasound transmitter 31 and an ultrasound receiver 33.
  • a separate control or regulating device 30 and / or a separate sensor device 32 can be provided for each cooking zone 4.
  • a sensor device 32 assigned to it can be arranged in its steam flow path above each cooking zone 4, all of which are electrically connected to a control or regulating device 30 common to them.
  • a sensor device 32 common to them and a control device 30 common to them can be provided for several cooking zones 4.
  • the control or regulating device 30 is designed in such a way that it either successively reduces the heating energy of the hotplates until it recognizes which hotplate is responsible for the excessive steam development, and then only reduces its heating energy accordingly, however, the setting of the heating energy of the other hotplates remains at the value set on the control element 10; or the control or regulating device 30 determines the hotplate responsible for the excessive steam development additionally or only on the basis of operating criteria such as, for example, the heating energy set on the control element 10, the diameter of the hotplate concerned and / or the length of time for which the individual hotplates have already been switched on , Such selection criteria for determining the cooking zone 4 in question, which is responsible for the excessive steam development, can also be used to determine which cooking zone 4, despite the unchanged setting of a certain heating energy on the control element 10, suddenly stops cooking steam or becomes increasingly less.
  • the sensor device 32 can additionally be connected to a control or regulating device 34 of the extractor hood 20 in order to switch its fan 22 on or off as a function of the respective amount of cooking steam, or to switch it to a tuned speed to switch, as is known for example from said EP 0 443 141 A2.
  • the control or regulating device 34 of the fan 22 of the extractor hood 20 can be provided for switching, controlling and / or regulating the heating energy of the cooker 2 instead of its control or regulating device 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Commercial Cooking Devices (AREA)
  • Ventilation (AREA)
  • Electric Stoves And Ranges (AREA)
EP00949468A 1999-08-24 2000-08-07 Champ de Cuisson Expired - Lifetime EP1212570B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19940123A DE19940123A1 (de) 1999-08-24 1999-08-24 Steuer- oder Regeleinrichtung eines Kochherdes
DE19940123 1999-08-24
PCT/EP2000/007648 WO2001014798A1 (fr) 1999-08-24 2000-08-07 Systeme de commande ou de reglage d'une cuisiniere

Publications (2)

Publication Number Publication Date
EP1212570A1 true EP1212570A1 (fr) 2002-06-12
EP1212570B1 EP1212570B1 (fr) 2005-12-21

Family

ID=7919441

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00949468A Expired - Lifetime EP1212570B1 (fr) 1999-08-24 2000-08-07 Champ de Cuisson

Country Status (5)

Country Link
US (1) US6578569B2 (fr)
EP (1) EP1212570B1 (fr)
AT (1) ATE313762T1 (fr)
DE (2) DE19940123A1 (fr)
WO (1) WO2001014798A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6974936B2 (en) * 2001-09-11 2005-12-13 Matsushita Electric Industrial Co., Ltd. High frequency heating apparatus
DE10307247A1 (de) * 2003-02-17 2004-08-26 E.G.O. Elektro-Gerätebau GmbH Einrichtung zum Absaugen von Abluft eines Elektrowärmegeräts und Verfahren zum Betrieb derselben
KR100584309B1 (ko) * 2003-07-16 2006-05-26 엘지전자 주식회사 전자 레인지의 오염물질 배출장치 및 배출방법
US6920874B1 (en) * 2004-03-01 2005-07-26 Robert Paul Siegel Intelligent ventilating safety range hood
US20050224069A1 (en) * 2004-03-29 2005-10-13 Patil Mahendra M System and method for managing air from a cooktop
JP2005299948A (ja) * 2004-04-07 2005-10-27 Matsushita Electric Ind Co Ltd マイクロ波焼成炉
US20080102743A1 (en) * 2005-04-25 2008-05-01 Independent, Inc. Hood mounted display system
SG135068A1 (en) * 2006-02-21 2007-09-28 Kim Lui So Controls for ventilation and exhaust ducts and fans
US7866312B2 (en) * 2006-12-18 2011-01-11 Bsh Home Appliances Corporation Ventilation hood and cooktop safety system and method
US20090048714A1 (en) * 2007-08-17 2009-02-19 Maxitrol Company Control system and method for controlling an air handling fan for a vent hood
EP2261569A1 (fr) * 2009-06-12 2010-12-15 Electrolux Home Products Corporation N.V. Unité de capteur pour hotte de cuisine, hotte de cuisine et dispositif de cuisson
US20110254939A1 (en) 2010-04-16 2011-10-20 Tatiana Pavlovna Kadantseva Detecting User Input Provided To A Projected User Interface
CN102374562B (zh) * 2010-08-17 2015-11-25 博西华电器（江苏）有限公司 具有烟气自动检测装置的吸油烟机
CN102374563B (zh) * 2010-08-17 2015-11-25 博西华电器（江苏）有限公司 具有烟气自动检测装置的吸油烟机及其控制方法
JP5899393B2 (ja) * 2011-02-25 2016-04-06 パナソニックＩｐマネジメント株式会社 レンジフード
US20230129115A1 (en) * 2013-05-03 2023-04-27 Broan-Nutone Llc Sensor-enabled range hood system and method
DE102015110726A1 (de) * 2015-07-03 2017-01-05 Miele & Cie. Kg Verfahren zum Betreiben eines Kochsystems
KR101727046B1 (ko) 2015-07-07 2017-04-14 엘지전자 주식회사 조리기기와 주방기기의 연계 시스템
US10258196B2 (en) 2017-08-25 2019-04-16 Chhavi Gupta Heat emitting pan lid with protective inner shield
US9930990B1 (en) * 2017-08-25 2018-04-03 Chhavi Gupta Heat emitting pan lid
EP3477207A1 (fr) * 2017-10-26 2019-05-01 Vestel Elektronik Sanayi ve Ticaret A.S. Agencement pour écouler un air vicié à travers une hotte
US10634366B1 (en) 2018-12-10 2020-04-28 Bsh Home Appliances Corporation Cooktop ventilation system having a smoke detection and alarm system
US11125446B2 (en) 2019-11-25 2021-09-21 Bsh Home Appliances Corporation Ultrasonic filtration device for extractor hood
EP4043799B1 (fr) * 2021-02-16 2024-04-10 Electrolux Appliances Aktiebolag Hotte aspirante pour une plaque de cuisson et procédé de fonctionnement d'une hotte aspirante

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US4352349A (en) * 1979-11-14 1982-10-05 Yoho Robert W Control circuit for air conditioning systems
US5140120A (en) * 1989-05-08 1992-08-18 Matsushita Electric Industrial Co., Ltd. Automatic heating apparatus having a system for sensing the temperature of heated air generated by material being heated
DE4005363A1 (de) 1990-02-21 1991-08-22 Diehl Gmbh & Co Schaltungsanordnung zur steuerung eines luefters
US5139009A (en) * 1990-10-11 1992-08-18 Walsh Leo B Exhaust ventilation control system
JPH04155131A (ja) * 1990-10-17 1992-05-28 Matsushita Electric Ind Co Ltd 排煙装置
JPH05231683A (ja) * 1992-02-25 1993-09-07 Fuji Kogyo Kk レンジフード及び換気装置
US5422976A (en) * 1994-04-06 1995-06-06 Bunn-O-Matic Corporation Boiler control system with steam sensor thermally isolated from a water reservoir
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Also Published As

Publication number Publication date
US20020129809A1 (en) 2002-09-19
DE19940123A1 (de) 2001-03-01
EP1212570B1 (fr) 2005-12-21
DE50011919D1 (de) 2006-01-26
WO2001014798A1 (fr) 2001-03-01
US6578569B2 (en) 2003-06-17
ATE313762T1 (de) 2006-01-15

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