EP1182405A1 - Temperature indicating device - Google Patents
Temperature indicating device Download PDFInfo
- 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
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Classifications
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- 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
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- 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
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- 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
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- 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.
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Electric Ovens (AREA)
- Temperature-Responsive Valves (AREA)
- Refrigerator Housings (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Instrument Panels (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Surface Treatment Of Glass (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
Description
Die Erfindung betrifft eine Temperaturanzeigeeinrichtung an einer Glastür einer Heiz- und/oder Kühlvorrichtung, wobei eine von außen sichtbare Farbänderung zur Temperaturanzeige dierit.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.
Eine Temperaturanzeigeeinrichtung ist in der DE 198 36 732 A1 beschrieben. Im Türflächenbereich ist ein temperaturfühlendes Element angebracht, das mit steigender Türtemperatur durch Farbänderung die erhöhte Türtemperatur zur Anzeige bringt. Wesentlich dabei ist, dass nicht die Innenraumtemperatur, sondern die Türtemperatur zur Anzeige kommt. Das Element ist vorzugsweise eine an der Innenseite der Tür angebrachte Folie, die chemische Substanzen enthält, die sich bei Temperaturänderung sichtbar verfärben. Dementsprechend muss das Element so ausgelegt sein, dass es den im Backofen herrschenden hohen Temperaturen standhält. Ein derartiges temperaturfühlendes Element ist aufwändig.A temperature display device is in DE 198 36 732 A1 described. There is a temperature-sensing element in the door surface area attached that with increasing door temperature by changing the color displays increased door temperature. It is essential that not the interior temperature, but the door temperature for display comes. 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.
In der US 5 499 597 sind thermochrome Materialien zur Temperaturanzeige beschrieben, mit denen gefährliche Temperaturen an Heizkörpern kenntlich gemacht sind.In US 5 499 597 are thermochromic materials for temperature display described with which dangerous temperatures on radiators are identified.
Als Temperaturfühler für die Anzeige der Innenraumtemperatur eines Backofens werden nach dem Stand der Technik bimetallische oder elektronische Sensoren verwendet, die über eine entsprechende Elektronik auf ein Anzeigedisplay wirken. Derartige Schaltungen sind aufwändig, energieabhängig und teuer in der Herstellung.As 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.
Aus der WO 97/26 486 und der WO 97/34 490 sind verschiedene Anforderungen für Temperaturanzeigeeinrichtungen an der Tür eines Haushaltsbackofens bekannt.WO 97/26 486 and WO 97/34 490 are various Requirements for temperature display devices on the door of a Household oven known.
In der AT 202 660 ist ein Bratrohr für Elektroherde mit an der Türe angebrachtem thermostatischen Regler beschrieben. Der Regler ist zwischen zwei Schalen der Türe angeordnet. Ein Wärmeleitkörper überträgt die Wärme der Innenschale der Tür auf ein Schaltbimetall. Zur Darstellung des Schaltzustands ist eine Meldelampe vorgesehen.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. to A signal lamp is provided to show the switching status.
In der US 5 589 958 ist eine Kücheneinrichtung beschrieben, bei der Frontscheiben in einen durchsichtigen oder undurchsichtigen Zustand schaltbar sind.In US 5 589 958 a kitchen device is described in which Windshields in a transparent or opaque condition are switchable.
Aus der DD 234 298 A1 ist eine Haftklebefolie zur Temperaturanzeige bekannt. Diese dient zur Temperaturanzeige an elektrischen Haushaltsgeräten.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.
Die JP 11351729 A beschreibt eine Einrichtung zur Anzeige der Innentemperatur eines Kühlgeräts. Sie weist hierfür ein thermochromisches Glied auf.JP 11351729 A describes a device for displaying the internal temperature of a refrigerator. For this purpose, it has a thermochromic Limb on.
Aufgabe der Erfindung ist es, eine Temperaturanzeigeeinrichtung bereitzustellen, die das Erreichen eines bestimmten Temperaturbereichs im Innenraum einer Heiz- und/oder Kühlvorrichtung durch Farbänderung anzeigt, wobei vermieden wird, dass die Temperaturanzeigeeinrichtung bei einer Heizvorrichtung durch die hohen Ofeninnenraumtemperaturen geschädigt wird. 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.
Erfindungsgemäß ist obige Aufgabe bei einer Temperaturanzeigeeinrichtung
der eingangs genannten Art durch die Merkmale des
Anspruchs 1 gelöst.According to the invention, the above object is for a temperature display device
of the type mentioned by the characteristics of
Dadurch, dass die thermochrome Schicht zwischen zwei Scheiben der Glastür vorgesehen ist, ist sie nur indirekt der Ofeninnenraumtemperatur ausgesetzt. Es tritt an ihr nicht die maximale Ofeninnenraumtemperatur auf. Deshalb kann als thermochrome Schicht eine preiswerte thermosensible Farbschicht verwendet werden, die sich beispielsweise im Siebdruckverfahren oder als Folie, vorzugsweise Polymerfolie, auf die betreffende Scheibe aufbringen lässt. Die Temperaturanzeigeeinrichtung ist damit wesentlich preisgünstiger als eine entsprechende elektronische Temperaturanzeigeeinrichtung.The fact that the 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.
Durch die thermochrome Schicht wird nicht die Türtemperatur angezeigt, sondern die Ofeninnenraumtemperatur abgebildet. Zwei- oder mehrscheibige Glastüren sind so ausgelegt, dass ihre Außentemperatur für Benutzer ungefährlich ist. Deshalb ist eine Warnung des Benutzers vor einer hohen Türtemperatur nicht erforderlich.The 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.
Vorzugsweise ist die Stelle, an der die thermochrome Schicht aufgebracht ist, so gewählt, dass bei maximaler Ofeninnenraumtemperatur von etwa 280 °C bis 300 °C die Temperatur an der Schicht 120 °C nicht überschreitet. Thermosensible Farben, die bei 120°C nicht geschädigt werden, sind marktbekannt.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.
In bevorzugter Ausgestaltung der Erfindung ist die thermochrome Schicht innen auf die äußerste Scheibe der Glastür aufgebracht. In a preferred embodiment of the invention, the thermochromic layer applied to the outermost pane of the glass door.
Im Betrieb eines Haushaltsbackofens bilden sich im Inneren Ablagerungen bzw. Verkrustungen. Zu deren Beseitigung ist ein Reinigungsverfahren bekannt. Bei diesem Verfahren wird eine Reinigungsflüssigkeit in den Innenraum des Ofens eingebracht, die dort verdunstet und die Verkrustungen löst. Die besten Reinigungsergebnisse lassen sich erreichen, wenn die Reinigungsflüssigkeit bei einer Ofeninnentemperatur von etwa 40 °C eingebracht wird. Die beschriebene Temperaturanzeigeeinrichtung eignet sich insbesondere dafür, diese Temperatur durch einen Farbwechsel der thermochromen Schicht kenntlich zu machen.In the operation of a household baking oven form inside Deposits or incrustations. To eliminate them is a Cleaning process known. In this procedure, a Cleaning liquid introduced into the interior of the oven, there evaporates and loosens the incrustations. The best cleaning results can be achieved if the cleaning liquid is at a Oven temperature of about 40 ° C is introduced. The one described Temperature display device is particularly suitable for this Temperature by changing the color of the thermochromic layer to identify.
Die beschriebene Temperaturanzeigeeinrichtung kann auch bei anderen Öfen zur Anzeige einer charakteristischen oder der zur Zeit herrschenden Innentemperatur verwendet werden. Ein Beispiel für die Verwendung der erfindungsgemäßen Anzeigeeinrichtung ist die Anzeige der sogenannten Restwärme. Als Restwärme wird die nach ausschalten des Ofens in dessen Innenraum verbliebene Wärme bezeichnet.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.
Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus der Zeichnung und deren Beschreibung sowie den Unteransprüchen.Further advantageous embodiments of the invention result from the Drawing and its description as well as the subclaims.
In der Zeichnung zeigen:
Figur 1- eine Frontansicht eines Haushaltsbackofens mit Glastür und
Figur 2- einen Längsschnitt der Glastür eines Haushaltsbackofens und eine Draufsicht.
Figur 3- eine Frontansicht eines Kühlgerätes und
Figur 4- einen Längsschnitt der Glastür eines Kühlgerätes und eine Draufsicht.
- Figure 1
- a front view of a household oven with a glass door and
- Figure 2
- a longitudinal section of the glass door of a household oven and a plan view.
- Figure 3
- a front view of a refrigerator and
- Figure 4
- a longitudinal section of the glass door of a refrigerator and a plan view.
Ein Haushaltsbackofen weist eine Glastür (1) gemäß Figur 1 auf, an der ein Handgriff (2) befestigt ist. Über diesem sind verschiedene Einstellelemente (3) vorgesehen. Die Glastür (1) weist einen glasklar durchsichtigen Mittelbereich (4) und mit einer Dekoration versehene Randbereiche (5) auf.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).
Die Glastür (1) besteht aus zwei oder in der Regel aus drei Scheiben, nämlich einer Außenscheibe (6), einer Mittelscheibe (7), und einer Innenscheibe (8). Innen auf die Außenscheibe (6) ist im unteren Randbereich (5) eine thermochrome Schicht (9) aufgebracht, die aus einer thermosensiblen Farbe besteht, welche, beispielsweise im Siebdruckverfahren, auf die Außenscheibe (6) aufgedruckt oder als Polymerfolie aufgebracht ist. Die Fläche, die die thermochrome Schicht (9) einnimmt, ist groß genug, um sie von außen her gut sehen zu können. Die thermochrome Schicht (9) kann in Form eines Schriftzuges oder eines Symbols gestaltet sein.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). 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.
Die im Ofeninnenraum (10) maximal erreichbare Temperatur beträgt beispielsweise 280 °C. Versuche haben gezeigt, dass an der Stelle (11) der Außenscheibe (6), an der die thermochrome Schicht (9) vorgesehen ist, bei maximaler Ofeninnentemperatur 105 °C nicht überschritten werden, was auf die tiefe Lage der Stelle (11) und die Wärmeisolation der Mittelscheibe (7) und der Innenscheibe (8) sowie die Abstände zwischen der Innenscheibe (8) und der Mittelscheibe (7) sowie der Mittelscheibe (7) und der Außenscheibe (6) zurückzuführen ist. Es lässt sich eine thermointensive Fläche verwenden, die bis 105 °C reversibel farbstabil ist. 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.
Die thermochrome Schicht (9) ist so ausgewählt, dass sie bei einer Ofeninnentemperatur von etwa 45 °C von einer Farbe, beispielsweise weiß, in grün wechselt. Bei einer Ofeninnentemperatur von 40 °C bis 45 °C beträgt die Temperatur an der thermochromen Schicht (9) etwa 30 °C. Die thermochrome Schicht (9) geht beim Absinken der Ofeninnentemperatur von 280 °C bei Erreichen der Farbwechseltemperatur von weiß auf grün über. Die thermointensive Farbe ist so gewählt, dass die Farbwechseltemperatur erreicht wird, wenn die Ofeninnenraumtemperatur etwa 50 °C bis 60 °C beträgt. Dies ist diejenige Temperatur, bei der in einem Ofenreinigungsprogramm die besten Ergebnisse erreicht werden. Der Benutzer erkennt aus dem Farbwechsel, dass die richtige Temperatur zum Eingeben einer Reinigungsflüssigkeit in den Ofeninnenraum (10) erreicht ist. Er öffnet dann die Glastür (1), gibt die Reinigungsflüssigkeit ein und schließt die Glastür (1). Danach wird die Beheizung des Ofens manuell oder programmgesteuert wieder eingeschaltet, wobei die Reinigungsflüssigkeit verdampft und ihre Dämpfe Verkrustungen im Ofeninnenraum lösen.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.
Die erfindungsgemäße Anzeigeeinrichtung kann auch zur Anzeige der Restwärme im Ofeninnenraum (10) verwendet werden. Dabei wechselt die Farbe der Anzeige beim Übergang der Restwärmetemperatur von etwa bis zu 160 °C auf eine niedrigere Temperatur die Farbe. So kann die Restwärme genutzt werden.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.
Bei anderen Ausführungsbeispielen kann je nach den Temperaturverhältnissen und der zu verwendenden thermochromen Schicht (9) diese auch an anderen Stellen der Scheiben (6, 7, 8) vorgesehen sein.In other embodiments, depending on the Temperature conditions and the thermochromic to be used Layer (9) at other points on the panes (6, 7, 8) be provided.
Ein Kühlgerät weist eine Glastür (1) gemäß Figur 3 auf, an der ein Handgriff (2) befestigt ist. Die Glastür (1) besteht aus zwei oder in der Regel aus drei Scheiben, nämlich einer Außenscheibe (6), einer Mittelscheibe (7), und einer Innenscheibe (8). Innen auf die Außenscheibe (6) sind bevorzugt vier thermochrome Schichten (9) aufgebracht, die aus thermosensiblen Farbe bestehen, welche, beispielsweise im Siebdruckverfahren, auf die Außenscheibe (6) aufgedruckt oder als Polymerfolie aufgebracht sind. Die Fläche, die die thermochrome Schicht (9) einnimmt, ist groß genug, um sie von außen her gut sehen zu können. Die thermochrome Schicht (9) kann in Form eines Schriftzuges oder eines Symbols gestaltet sein. Die thermochrome Schicht (9) ist so ausgewählt, dass sie bei einer Innentemperatur von etwa 5 °C die Farbe wechselt.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.
Claims (10)
dadurch gekennzeichnet, dass zwischen zwei Schichten (6,7,8) der zwei- oder mehrscheibigen Glastür (1) eine thermochrome Schicht (9) vorgesehen ist, wobei die thermochrome Schicht (9) so ausgelegt und angeordnet ist, dass sie bei einer im Innenraum der Heiz- und/oder Kühlvorrichtung entstehenden Innentemperatur von etwa -25°C bis +120°C die Farbe wechselt.Temperature display device on a glass door of a heating and / or cooling device, a color change visible from the outside being used for temperature display,
characterized in that a thermochromic layer (9) is provided between two layers (6, 7, 8) of the double or multi-pane glass door (1), the thermochromic layer (9) being designed and arranged in such a way that it can be Inside the heating and / or cooling device, the resulting internal temperature changes from about -25 ° C to + 120 ° C.
dadurch gekennzeichnet, dass die thermochrome Schicht (9) im Zwischenraum der Glastür (1) auf eine der Scheiben (6,7,8) aufgebracht ist.Temperature display device according to claim 1,
characterized in that the thermochromic layer (9) is applied to one of the panes (6, 7, 8) in the space between the glass door (1).
dadurch gekennzeichnet, dass die thermochrome Schicht (9) in einem transparenten Randbereich der Glastür (1) aufgebracht ist.Temperature display device according to claim 1 or 2,
characterized in that the thermochromic layer (9) is applied in a transparent edge region of the glass door (1).
dadurch gekennzeichnet, dass die thermochrome Schicht (9) innen auf die Außenscheibe (6) aufgebracht ist. Temperature display device according to one of the preceding claims,
characterized in that the thermochromic layer (9) is applied to the inside of the outer pane (6).
dadurch gekennzeichnet, dass die thermochrome Schicht (9) in einem Bereich (5) der Glastür (1) angeordnet ist, der mit einem Dekor versehen ist.Temperature display device according to one of the preceding claims,
characterized in that the thermochromic layer (9) is arranged in a region (5) of the glass door (1) which is provided with a decoration.
dadurch gekennzeichnet, dass die thermochrome Schicht (9) in einem Siebdruckverfahren oder als Folie aufgebracht ist.Temperature display device according to one of the preceding claims,
characterized in that the thermochromic layer (9) is applied in a screen printing process or as a film.
dadurch gekennzeichnet, dass die thermochrome Schicht (9) die Form eines Schriftzuges oder Symbols aufweist.Temperature display device according to one of the preceding claims,
characterized in that the thermochromic layer (9) has the shape of a lettering or symbol.
dadurch gekennzeichnet, dass die Schicht (9), insbesondere bei einer Heizvorrichtung, an eine Stelle (11) der Glastür (1) aufgebracht ist, an der die Temperatur bei maximaler Innentemperatur kleiner ist als die maximale Innenraumtemperatur.Temperature display device according to one of the preceding claims,
characterized in that the layer (9), in particular in the case of a heating device, is applied to a point (11) of the glass door (1) at which the temperature at the maximum interior temperature is lower than the maximum interior temperature.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10040321 | 2000-08-17 | ||
DE10040321A DE10040321A1 (en) | 2000-08-17 | 2000-08-17 | Temperature indicator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1182405A1 true EP1182405A1 (en) | 2002-02-27 |
EP1182405B1 EP1182405B1 (en) | 2004-02-25 |
Family
ID=7652820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01119098A Expired - Lifetime EP1182405B1 (en) | 2000-08-17 | 2001-08-08 | Temperature indicating device |
Country Status (8)
Country | Link |
---|---|
US (1) | US6555794B2 (en) |
EP (1) | EP1182405B1 (en) |
AT (1) | ATE260444T1 (en) |
CA (1) | CA2355391A1 (en) |
DE (2) | DE10040321A1 (en) |
ES (1) | ES2215826T3 (en) |
PL (1) | PL349170A1 (en) |
TR (1) | TR200401190T4 (en) |
Cited By (7)
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WO2007029172A2 (en) * | 2005-09-05 | 2007-03-15 | Arcelik Anonim Sirketi | A cooking device with cooled door of cooking chamber |
EP1398574A3 (en) * | 2002-09-16 | 2007-06-06 | Electrolux Home Products Corporation N.V. | Method for making a door for closing the working space of a household appliance and household appliance door |
WO2011134029A1 (en) * | 2009-10-07 | 2011-11-03 | Whirlpool S.A. | Hot surface indication device and assembly process of hot surface indication for an apparatus having at least a glass surface containing hot surface indication |
ITRE20120019A1 (en) * | 2012-03-13 | 2013-09-14 | Cisaplast S P A | DOOR FOR REFRIGERATED CABINETS |
WO2015151039A1 (en) * | 2014-04-03 | 2015-10-08 | Indesit Company S.P.A. | Cooking appliance comprising thermochromic elements for providing an indication about: the temperature |
WO2016046676A1 (en) * | 2014-09-24 | 2016-03-31 | BSH Hausgeräte GmbH | Home appliance device comprising a sensor element, and method for manufacturing a sensor |
EP3647663A1 (en) * | 2018-11-01 | 2020-05-06 | Samsung Electronics Co., Ltd. | Cooking apparatus |
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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 (en) * | 2002-04-26 | 2003-11-13 | Therma Ag Schwanden | Household appliance display, e.g. for temperature, comprises a color LCD, the color of which varies according to a defined temperature scale |
DE10229833B3 (en) * | 2002-07-03 | 2004-02-05 | Saint-Gobain Glass Deutschland Gmbh | Process for the permanent marking of heat-treated glass panes, and thermally toughened glass pane with optical marking |
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 (en) * | 2004-07-13 | 2017-08-10 | Schott Ag | Use of a glass or glass ceramic plate |
DE602005025229D1 (en) * | 2004-08-27 | 2011-01-20 | Arcelik Anonim Sirketi Tuzla | HOUSEHOLD APPLIANCE |
US8872077B2 (en) * | 2005-08-01 | 2014-10-28 | Western Industries, Inc. | Low profile induction cook top with heat management system |
US8884197B2 (en) | 2007-02-03 | 2014-11-11 | Western Industries, Inc. | Induction cook top with heat management system |
FR2889580B1 (en) * | 2005-08-02 | 2013-11-22 | Eurokera | COOKING PLATE, COOKING APPARATUS, AND PLATE MANUFACTURING METHOD |
EP1909033A2 (en) * | 2006-09-28 | 2008-04-09 | Samsung Electronics Co., Ltd. | Cooking apparatus with temperature display unit and method of controlling the same |
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 (en) * | 2009-03-05 | 2022-04-28 | BSH Hausgeräte GmbH | Glass front for a home appliance and home appliance |
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 (en) | 2016-01-05 | 2017-12-19 | 엘지전자 주식회사 | Refirgerator and control merthod thereof |
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- 2001-08-08 ES ES01119098T patent/ES2215826T3/en not_active Expired - Lifetime
- 2001-08-08 TR TR2004/01190T patent/TR200401190T4/en unknown
- 2001-08-08 EP EP01119098A patent/EP1182405B1/en not_active Expired - Lifetime
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- 2001-08-16 CA CA002355391A patent/CA2355391A1/en not_active Abandoned
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AT202660B (en) | 1957-07-29 | 1959-03-25 | Matrei Geraetewerk | Roasting and oven for electric stoves with a thermostatic regulator attached to the door |
DD234298A1 (en) * | 1985-01-30 | 1986-03-26 | Ingbuero Elektro Geraete Veb | ADHESIVE ADHESIVE TEMPERATURE DISPLAY |
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 |
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EP1398574A3 (en) * | 2002-09-16 | 2007-06-06 | Electrolux Home Products Corporation N.V. | Method for making a door for closing the working space of a household appliance and household appliance door |
WO2007029172A2 (en) * | 2005-09-05 | 2007-03-15 | Arcelik Anonim Sirketi | A cooking device with cooled door of cooking chamber |
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WO2011134029A1 (en) * | 2009-10-07 | 2011-11-03 | Whirlpool S.A. | Hot surface indication device and assembly process of hot surface indication for an apparatus having at least a glass surface containing hot surface indication |
ITRE20120019A1 (en) * | 2012-03-13 | 2013-09-14 | Cisaplast S P A | DOOR FOR REFRIGERATED CABINETS |
WO2015151039A1 (en) * | 2014-04-03 | 2015-10-08 | Indesit Company S.P.A. | Cooking appliance comprising thermochromic elements for providing an indication about: the temperature |
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Also Published As
Publication number | Publication date |
---|---|
US6555794B2 (en) | 2003-04-29 |
TR200401190T4 (en) | 2004-07-21 |
CA2355391A1 (en) | 2002-02-17 |
ATE260444T1 (en) | 2004-03-15 |
DE50101533D1 (en) | 2004-04-01 |
PL349170A1 (en) | 2002-02-25 |
US20020043261A1 (en) | 2002-04-18 |
EP1182405B1 (en) | 2004-02-25 |
DE10040321A1 (en) | 2002-04-11 |
ES2215826T3 (en) | 2004-10-16 |
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