EP1182405A1 - Dispositif indicateur de température - Google Patents

Dispositif indicateur de température Download PDF

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Publication number
EP1182405A1
EP1182405A1 EP01119098A EP01119098A EP1182405A1 EP 1182405 A1 EP1182405 A1 EP 1182405A1 EP 01119098 A EP01119098 A EP 01119098A EP 01119098 A EP01119098 A EP 01119098A EP 1182405 A1 EP1182405 A1 EP 1182405A1
Authority
EP
European Patent Office
Prior art keywords
temperature
display device
thermochromic layer
temperature display
glass door
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
EP01119098A
Other languages
German (de)
English (en)
Other versions
EP1182405B1 (fr
Inventor
Kurt Leutner
Oliver Gros
Joachim Grützke
Bernhard Götz
Walter Gramlich
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.)
Schott AG
BSH Hausgeraete GmbH
Original Assignee
Carl Zeiss AG
BSH Bosch und Siemens Hausgeraete GmbH
Schott Glaswerke AG
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 Carl Zeiss AG, BSH Bosch und Siemens Hausgeraete GmbH, Schott Glaswerke AG filed Critical Carl Zeiss AG
Publication of EP1182405A1 publication Critical patent/EP1182405A1/fr
Application granted granted Critical
Publication of EP1182405B1 publication Critical patent/EP1182405B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices

Definitions

  • the invention relates to a temperature display device on a glass door a heating and / or cooling device, one visible from the outside Color change for temperature display.
  • a temperature display device is in DE 198 36 732 A1 described.
  • the element is preferably one on the inside of the door attached film that contains chemical substances that are present Color change visibly. Accordingly, it must Element should be designed so that it prevails in the oven withstands high temperatures. Such a temperature-sensitive Element is complex.
  • thermochromic materials for temperature display described with which dangerous temperatures on radiators are identified.
  • a temperature sensor for displaying the interior temperature of a Ovens are bimetallic or state of the art used electronic sensors that have a corresponding Electronics act on a display. Such circuits are complex, energy-dependent and expensive to manufacture.
  • WO 97/26 486 and WO 97/34 490 are various Requirements for temperature display devices on the door of a Household oven known.
  • AT 202 660 has a roasting tube for electric cookers on the door attached thermostatic controller described.
  • the controller is arranged between two shells of the door.
  • a heat sink transfers the heat of the inner shell of the door to a bimetal.
  • a signal lamp is provided to show the switching status.
  • DD 234 298 A1 is a pressure sensitive adhesive film for temperature display known. This is used to display the temperature on electrical household appliances.
  • JP 11351729 A describes a device for displaying the internal temperature of a refrigerator. For this purpose, it has a thermochromic Limb on.
  • the object of the invention is a temperature display device provide that reaching a certain temperature range in the interior of a heating and / or cooling device by changing the color displays, avoiding that the temperature display device with a heater due to the high furnace interior temperatures is damaged.
  • the above object is for a temperature display device of the type mentioned by the characteristics of Claim 1 solved.
  • thermochromic layer between two discs of Glass door is provided, it is only indirectly related to the furnace interior temperature exposed.
  • the maximum furnace interior temperature does not occur at it on. Therefore, an inexpensive thermochromic layer thermosensitive color layer can be used, for example in Screen printing process or as a film, preferably polymer film, on the can apply the relevant disc.
  • the temperature display device is therefore much cheaper than a corresponding electronic Temperature indicator.
  • thermochromic layer does not show the door temperature, but the furnace interior temperature is shown.
  • Two or Multi-pane glass doors are designed so that their outside temperature is harmless to users. That is why a warning from the user not necessary before a high door temperature.
  • the point at which the thermochromic layer is applied is preferably is selected so that at a maximum furnace interior temperature of about 280 ° C to 300 ° C the temperature at the layer 120 ° C does not exceeds.
  • Thermosensitive paints that are not damaged at 120 ° C are known on the market.
  • thermochromic layer applied to the outermost pane of the glass door.
  • the temperature display device described can also be used in others Furnaces for displaying a characteristic or the currently prevailing Internal temperature can be used.
  • An example of using the display device according to the invention is the display of the so-called Residual heat.
  • the residual heat is the in after switching off the furnace whose interior denotes the remaining heat.
  • a domestic oven has a glass door (1) according to Figure 1, on the a handle (2) is attached. Over this are different Adjustment elements (3) are provided.
  • the glass door (1) has a crystal clear transparent central area (4) and decorated Edge areas (5).
  • the glass door (1) consists of two or usually three panes, namely an outer pane (6), a central pane (7), and one Inner pane (8).
  • an outer pane (6) Inside on the outer pane (6) is in the bottom Edge region (5) a thermochromic layer (9) applied, which a thermosensitive color, which, for example, in Screen printing process, printed on the outer pane (6) or as Polymer film is applied.
  • the area that the thermochromic layer (9) is large enough to be easily seen from the outside.
  • the thermochromic layer (9) can be in the form of a lettering or a Icon be designed.
  • the maximum achievable temperature in the interior of the furnace (10) is for example 280 ° C.
  • Tests have shown that at the point (11) the outer pane (6) on which the thermochromic layer (9) is provided is not exceeded at 105 ° C at maximum furnace temperature be what the deep location of the site (11) and the thermal insulation of the Center disc (7) and the inner disc (8) and the distances between the inner pane (8) and the middle pane (7) and the middle pane (7) and the outer pane (6) can be traced back.
  • There can be one Use a thermo-intensive surface that is reversibly color stable up to 105 ° C is.
  • the thermochromic layer (9) is selected so that it Furnace internal temperature of about 45 ° C of one color, for example white, changes to green. At an oven temperature of 40 ° C to 45 ° C, the temperature at the thermochromic layer (9) is about 30 ° C. The thermochromic layer (9) goes when the Internal oven temperature of 280 ° C when the Color change temperature from white to green above.
  • the thermo intensive Color is chosen so that the color change temperature is reached when the furnace interior temperature is about 50 ° C to 60 ° C. This is the temperature at which in an oven cleaning program best results can be achieved.
  • the user recognizes from the Color change that the right temperature to enter a Cleaning liquid in the oven interior (10) is reached. It opens then the glass door (1), enters the cleaning liquid and closes it Glass door (1). After that the heating of the oven is done manually or switched on again programmatically, the cleaning liquid evaporates and their vapors loosen incrustations in the interior of the oven.
  • the display device according to the invention can also be used to display the Residual heat in the furnace interior (10) can be used. It changes the color of the display when the residual heat temperature changes from about up to 160 ° C to a lower temperature the color. So it can Residual heat can be used.
  • thermochromic to be used Layer (9) at other points on the panes (6, 7, 8) be provided.
  • a refrigerator has a glass door (1) according to FIG Handle (2) is attached.
  • the glass door (1) consists of two or in the Rule of three discs, namely an outer disc (6), one Center disc (7), and an inner disc (8).
  • Inside on the The outer pane (6) is preferably four thermochromic layers (9) applied, which consist of thermosensitive paint, which, for example in the screen printing process, on the outer pane (6) printed or applied as a polymer film.
  • the area that the occupies thermochromic layer (9) is large enough to cover it from the outside to be able to see well.
  • the thermochromic layer (9) can be in the form a lettering or a symbol.
  • the thermochromic Layer (9) is selected so that it is at an internal temperature of about 5 ° C the color changes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)
  • Refrigerator Housings (AREA)
  • Instrument Panels (AREA)
  • Temperature-Responsive Valves (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Surface Treatment Of Glass (AREA)
EP01119098A 2000-08-17 2001-08-08 Dispositif indicateur de température Expired - Lifetime EP1182405B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10040321 2000-08-17
DE10040321A DE10040321A1 (de) 2000-08-17 2000-08-17 Temperaturanzeigeeinrichtung

Publications (2)

Publication Number Publication Date
EP1182405A1 true EP1182405A1 (fr) 2002-02-27
EP1182405B1 EP1182405B1 (fr) 2004-02-25

Family

ID=7652820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01119098A Expired - Lifetime EP1182405B1 (fr) 2000-08-17 2001-08-08 Dispositif indicateur de température

Country Status (8)

Country Link
US (1) US6555794B2 (fr)
EP (1) EP1182405B1 (fr)
AT (1) ATE260444T1 (fr)
CA (1) CA2355391A1 (fr)
DE (2) DE10040321A1 (fr)
ES (1) ES2215826T3 (fr)
PL (1) PL349170A1 (fr)
TR (1) TR200401190T4 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007029172A2 (fr) * 2005-09-05 2007-03-15 Arcelik Anonim Sirketi Dispositif de cuisson
EP1398574A3 (fr) * 2002-09-16 2007-06-06 Electrolux Home Products Corporation N.V. Méthode de fabrication d'une porte de fermeture de l'espace de travail d'un appareil de ménage et porte d'appareil de ménage
WO2011134029A1 (fr) * 2009-10-07 2011-11-03 Whirlpool S.A. Dispositif d'indication de surface chaude et procédé d'assemblage d'indication de surface chaude pour un appareil ayant au moins une surface en verre contenant une indication de surface chaude
ITRE20120019A1 (it) * 2012-03-13 2013-09-14 Cisaplast S P A Sportello per armadi frigoriferi
WO2015151039A1 (fr) * 2014-04-03 2015-10-08 Indesit Company S.P.A. Appareil de cuisson comprenant des éléments thermochromiques pour fournir une indication concernant la température
WO2016046676A1 (fr) * 2014-09-24 2016-03-31 BSH Hausgeräte GmbH Unité d'appareil électroménager dotée d'un capteur et procédé de fabrication d'un capteur
EP3647663A1 (fr) * 2018-11-01 2020-05-06 Samsung Electronics Co., Ltd. Appareil de cuisson

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020152164A1 (en) * 2001-04-12 2002-10-17 International Business Machines Corporation Method and apparatus for processing a check within a financial system
US7028634B1 (en) * 2001-06-25 2006-04-18 Eml Technologies Llc Worklight with thermal warning
DE10218577A1 (de) * 2002-04-26 2003-11-13 Therma Ag Schwanden Verfahren und Vorrichtung zur Anzeige von Werten veränderlicher Größen und/oder von Betriebszuständen von Haushaltsgeräten, insbesondere Haushaltsgargeräten
DE10229833B3 (de) * 2002-07-03 2004-02-05 Saint-Gobain Glass Deutschland Gmbh Verfahren zum dauerhaften Kennzeichnen von wärmebehandelten Glasscheiben, und thermisch vorgespannte Glasscheibe mit optischer Kennzeichnung
US7304270B2 (en) * 2003-04-10 2007-12-04 Electrolux Home Products, Inc. Integrated warmer drawer and warmer zone controls
US7084367B2 (en) * 2003-10-09 2006-08-01 Illinois Tool Works Inc. Temperature indicating consumable
DE102004033715B4 (de) * 2004-07-13 2017-08-10 Schott Ag Verwendung einer Glas- oder Glaskeramikplatte
ATE491119T1 (de) * 2004-08-27 2010-12-15 Arcelik As Haushaltsgerät
US8884197B2 (en) 2007-02-03 2014-11-11 Western Industries, Inc. Induction cook top with heat management system
US8872077B2 (en) * 2005-08-01 2014-10-28 Western Industries, Inc. Low profile induction cook top with heat management system
FR2889580B1 (fr) * 2005-08-02 2013-11-22 Eurokera Plaque de cuisson, appareil de cuisson et procede de fabrication de la plaque
EP1909033A2 (fr) * 2006-09-28 2008-04-09 Samsung Electronics Co., Ltd. Appareil de cuisson doté d'une unité d'affichage de la température et son procédé de commande
US20070170168A1 (en) * 2007-04-13 2007-07-26 Moschetti Mitchell R Color-coded cooktop and controls
US8141975B2 (en) * 2007-05-21 2012-03-27 Xerox Corporation Temperature monitoring system for a media preheater
DE102009011803B4 (de) * 2009-03-05 2022-04-28 BSH Hausgeräte GmbH Glasfront für ein Hausgerät sowie Hausgerät
USD708003S1 (en) 2010-12-27 2014-07-01 Western Industries, Inc. Cook top
USD694569S1 (en) 2011-12-30 2013-12-03 Western Industries, Inc. Cook top
US9777930B2 (en) 2012-06-05 2017-10-03 Western Industries, Inc. Downdraft that is telescoping
US9897329B2 (en) 2012-06-08 2018-02-20 Western Industries, Inc. Cooktop with downdraft ventilator
US9933318B2 (en) * 2014-07-10 2018-04-03 Michael E. Quest Thermochromic clip for sensing temperature of air flowing through a vent in an air conditioning system
KR101810760B1 (ko) 2016-01-05 2017-12-19 엘지전자 주식회사 냉장고 및 냉장고의 제어 방법
US20240026170A1 (en) * 2021-06-02 2024-01-25 Fudan University A white coating material, an intelligent thermochromic coating material and a coating layer

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT202660B (de) 1957-07-29 1959-03-25 Matrei Geraetewerk Brat- und Backrohr für Elektroherde mit an der Türe angebrachtem thermostatischen Regler
DD234298A1 (de) * 1985-01-30 1986-03-26 Ingbuero Elektro Geraete Veb Haftklebefolie zur temperaturanzeige
US5499597A (en) 1994-11-01 1996-03-19 Kronberg; James W. Optical temperature indicator using thermochromic semiconductors
US5589958A (en) 1995-02-09 1996-12-31 Lieb; Joseph A. Kitchen ensemble having windows with controllable opacity
WO1997026486A1 (fr) 1996-01-19 1997-07-24 Aktiebolaget Electrolux Dispositif de commande pour four domestique
WO1997034490A1 (fr) 1996-03-18 1997-09-25 Aktiebolaget Electrolux Unite de chauffage pour fours
JPH11351729A (ja) 1998-06-01 1999-12-24 Daewoo Electronics Co Ltd 冷蔵庫内部温度確認装置
DE19836732A1 (de) 1998-08-13 2000-02-24 Aeg Hausgeraete Gmbh Temperaturanzeigeeinrichtung für beheizte Haushaltsgeräte
DE20020984U1 (de) * 2000-12-12 2001-05-03 Schott Glas, 55122 Mainz Kochfeld mit mindestens einem atmosphärischen Gasbrenner

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US2710274A (en) * 1952-03-26 1955-06-07 Kuehl Georg Walter Multi-layer glass sheet
US3585381A (en) * 1969-04-14 1971-06-15 Ncr Co Encapsulated cholesteric liquid crystal display device
US3886539A (en) * 1972-12-26 1975-05-27 Gen Motors Corp Domestic appliance control and display systems
US3898977A (en) * 1974-01-28 1975-08-12 White Westinghouse Corp Liquid crystal door window shutter arrangement for self-cleaning cooking oven
US5997964A (en) * 1991-04-11 1999-12-07 Sprayex Llc Liquid crystal display
US6104007A (en) * 1998-01-30 2000-08-15 Lerner; William S. Heat alert safety device for stoves and related appliances

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT202660B (de) 1957-07-29 1959-03-25 Matrei Geraetewerk Brat- und Backrohr für Elektroherde mit an der Türe angebrachtem thermostatischen Regler
DD234298A1 (de) * 1985-01-30 1986-03-26 Ingbuero Elektro Geraete Veb Haftklebefolie zur temperaturanzeige
US5499597A (en) 1994-11-01 1996-03-19 Kronberg; James W. Optical temperature indicator using thermochromic semiconductors
US5589958A (en) 1995-02-09 1996-12-31 Lieb; Joseph A. Kitchen ensemble having windows with controllable opacity
WO1997026486A1 (fr) 1996-01-19 1997-07-24 Aktiebolaget Electrolux Dispositif de commande pour four domestique
WO1997034490A1 (fr) 1996-03-18 1997-09-25 Aktiebolaget Electrolux Unite de chauffage pour fours
JPH11351729A (ja) 1998-06-01 1999-12-24 Daewoo Electronics Co Ltd 冷蔵庫内部温度確認装置
DE19836732A1 (de) 1998-08-13 2000-02-24 Aeg Hausgeraete Gmbh Temperaturanzeigeeinrichtung für beheizte Haushaltsgeräte
DE20020984U1 (de) * 2000-12-12 2001-05-03 Schott Glas, 55122 Mainz Kochfeld mit mindestens einem atmosphärischen Gasbrenner

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1398574A3 (fr) * 2002-09-16 2007-06-06 Electrolux Home Products Corporation N.V. Méthode de fabrication d'une porte de fermeture de l'espace de travail d'un appareil de ménage et porte d'appareil de ménage
WO2007029172A2 (fr) * 2005-09-05 2007-03-15 Arcelik Anonim Sirketi Dispositif de cuisson
WO2007029172A3 (fr) * 2005-09-05 2007-06-07 Arcelik As Dispositif de cuisson
WO2011134029A1 (fr) * 2009-10-07 2011-11-03 Whirlpool S.A. Dispositif d'indication de surface chaude et procédé d'assemblage d'indication de surface chaude pour un appareil ayant au moins une surface en verre contenant une indication de surface chaude
ITRE20120019A1 (it) * 2012-03-13 2013-09-14 Cisaplast S P A Sportello per armadi frigoriferi
WO2015151039A1 (fr) * 2014-04-03 2015-10-08 Indesit Company S.P.A. Appareil de cuisson comprenant des éléments thermochromiques pour fournir une indication concernant la température
WO2016046676A1 (fr) * 2014-09-24 2016-03-31 BSH Hausgeräte GmbH Unité d'appareil électroménager dotée d'un capteur et procédé de fabrication d'un capteur
EP3647663A1 (fr) * 2018-11-01 2020-05-06 Samsung Electronics Co., Ltd. Appareil de cuisson
US11391467B2 (en) 2018-11-01 2022-07-19 Samsung Electronics Co., Ltd. Cooking apparatus

Also Published As

Publication number Publication date
US6555794B2 (en) 2003-04-29
PL349170A1 (en) 2002-02-25
ES2215826T3 (es) 2004-10-16
US20020043261A1 (en) 2002-04-18
ATE260444T1 (de) 2004-03-15
EP1182405B1 (fr) 2004-02-25
TR200401190T4 (tr) 2004-07-21
DE10040321A1 (de) 2002-04-11
CA2355391A1 (fr) 2002-02-17
DE50101533D1 (de) 2004-04-01

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