EP2362149A1 - Haushaltsgerät, eine Anzeigevorrichtung umfassend - Google Patents

Haushaltsgerät, eine Anzeigevorrichtung umfassend Download PDF

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Publication number
EP2362149A1
EP2362149A1 EP11000963A EP11000963A EP2362149A1 EP 2362149 A1 EP2362149 A1 EP 2362149A1 EP 11000963 A EP11000963 A EP 11000963A EP 11000963 A EP11000963 A EP 11000963A EP 2362149 A1 EP2362149 A1 EP 2362149A1
Authority
EP
European Patent Office
Prior art keywords
control panel
appliance
projection system
projection
data
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
EP11000963A
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English (en)
French (fr)
Other versions
EP2362149B1 (de
Inventor
Dany Ginzburg
Xavier Drouin
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.)
Groupe Brandt SAS
Original Assignee
FagorBrandt SAS
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Filing date
Publication date
Application filed by FagorBrandt SAS filed Critical FagorBrandt SAS
Publication of EP2362149A1 publication Critical patent/EP2362149A1/de
Application granted granted Critical
Publication of EP2362149B1 publication Critical patent/EP2362149B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination

Definitions

  • This data may in particular be a power parameter associated with a heating element of the appliance, a time parameter associated with a timer, a temperature parameter associated with a temperature sensor disposed in the appliance, or a parameter humidity associated with a steam generator of the appliance.
  • the graphic displays of household appliances used to display data through the control panel have a cost increasing with the size of the display surface of said data.
  • the size of the display surface of the graphic displays assembled on the household appliances is limited so as to limit the cost of obtaining these appliances.
  • the document is also known DE 10 2004 036 212 A1 which describes a device of a household appliance having a display unit.
  • the display unit includes a projection unit which is adapted to project light to display means of the display unit within the door of a household appliance, where the projection unit has a light deflection unit that is arranged in the door.
  • the display means is disposed below a viewing window area of the door and has a display surface whose orientation is different from that of a front surface of the door.
  • this device of a household appliance has the disadvantage of projecting data from a lower portion of the appliance and then through the door by means of light deflection elements so that said data is visible at through an area of the door viewing window.
  • the display means and the deflection unit are arranged inside the door where a temperature is high, especially in the case where the appliance is a cooking oven.
  • the implantation of the display unit at least partially inside the door requires modifying the air flow inside said door, especially when a natural convection ventilation system or by forced convection is provided inside said door.
  • Such a device of a household appliance causes to change the structure of the appliance and prevents standardization of different appliances designed by the same manufacturer of household appliances with or without a display unit consisting of at least one unit of projection and display means.
  • the positioning of the display means and the deflection unit inside the door also has the disadvantage of making the cleaning of the display device complex, especially if the cleaning thereof requires dismantling of the door. door by the user.
  • the cleaning of the display device is also complex at the hinges of the door because the dirt is introduced through openings in the door for the passage of the hinges, otherwise protection elements are necessary at these levels. openings generating an additional cost for obtaining a household appliance equipped with such a display device in a door.
  • the height of the display surface is limited by the spacing between two glass panels constituting the door of the appliance when said display surface has an orientation different from that of a front surface of the door .
  • the present invention aims to solve the aforementioned drawbacks, to simplify a display device of a household appliance for projecting data on a projection surface, and to provide a household appliance comprising a display device for projecting data on a projection area of maximum size.
  • said projection system projects said data onto said projection surface constituted by a rear face of a control panel.
  • the display device of the appliance according to the invention makes it possible to project data on a projection surface of maximum size.
  • a display device makes it possible to project data on a large projection surface so as to improve the remote visibility of the projected data.
  • Such a display device allows the user to view closely or remotely the projected data so as to know the operating status of the appliance or to follow a cycle of operation through the projected data on the projection surface formed by the rear face of the control panel of said appliance while being occupied with other activities.
  • the large size of the projection surface formed by the rear panel of the control panel of the appliance also makes it possible to customize the display of data, to create a data projection mode for the visually impaired.
  • household appliances produced by the same manufacturer may have a standardized structure so as to receive either a projection system projecting data on a projection surface constituted by a rear face of the control panel, or display means conventional at the projection surface of the control panel, or the combination of a projection system projecting data on a projection surface formed by a rear panel of the control panel with conventional display means at the level of the projection surface of the control panel.
  • the appliance is a cooking oven 1 comprising a cooking cavity 2.
  • the cooking cavity 2 can be heated by two electric heating elements.
  • the number of heating elements and the type of heating means may be different.
  • washing machines such as washing machines, dryers or dishwashers
  • refrigerating appliances such as a refrigerator or freezer
  • the baking oven 1 comprises a display device 3, in which are displayed data on operating states and / or data called by a user.
  • the display device 3 comprises a projection system 4 and a projection surface 5 integrated in the baking oven 1.
  • the projection system 4 projects the data onto the projection surface 5 constituted by a rear face 6 of a control panel 7.
  • the positioning of the projection system 4 behind the rear face 6 of the control panel 7 constituting the projection surface 5 of the data makes it possible to group together in the same zone the control means of the cooking oven 1, in particular a control unit 11, with said projection system 4.
  • connection elements between the projection system 4 and the control means are of reduced length so as to minimize the cost of obtaining the baking oven 1.
  • the projection system 4 can be cooled by the same cooling device as that of the control means of the baking oven 1 so as to avoid the addition of a specific cooling device to said projection system 4.
  • the display device 3 makes it possible to project data on a large projection surface 5 so as to improve the remote visibility of the projected data.
  • the size of the projection surface 5 may be at most substantially equal to the dimensions of the rear face 6 of the control panel 7.
  • the display device 3 allows the user to view closely or remotely the projected data so as to know the operating state of the cooking oven 1 or to follow a cycle of operation via the projected data. on the projection surface 5 constituted by the rear face 6 of the control panel 7 of said baking oven 1 while being occupied with other activities.
  • Such a display device 3 may make it possible to improve the contrast of the projected data on the projection surface 5, to increase the size of the symbols and / or characters projected compared with the display made by a conventional display.
  • the display device 3 makes it possible to widen the viewing angle of the projected data, in particular horizontally and / or vertically, with respect to the display made by a conventional display.
  • a cooking oven 1 comprising a display device 3 where the data is projected on the rear face 6 of the control panel 7 can be adapted to receive conventional display means at the projection surface 5 of the control panel 7 so that a household appliance manufacturer can produce cooking ovens 1 having the same structure adapted to receive a projection system 4 and / or conventional display means.
  • the baking ovens 1 produced by the same manufacturer may have a standardized structure so as to receive either a projection system 4 projecting data on a projection surface 5 constituted by a rear face 6 of the control panel 7, either conventional display means at the projection surface 5 of the control panel 7, or the combination of a projection system 4 projecting data on a projection surface 5 constituted by a rear panel 6 of the control panel 7 with conventional display means at the projection surface 5 of the control panel 7.
  • the data projected by the projection system 4 on the rear face 6 of the control panel 7 may in particular be a power parameter associated with a heating element of the appliance, a time parameter associated with a timer, a temperature parameter associated with a temperature sensor disposed in the appliance, or a humidity parameter associated with a steam generator of the appliance.
  • This projected data can also be appliance adjustment modes, cooking recipes, general information on the operation of the baking oven 1, cooking programs of the baking oven 1 or advice on the use of the baking oven 1.
  • the data projected by the projection system are in no way limiting and can be varied.
  • the data projected by the projection system 4 on the projection surface 5 constituted by a rear face 6 of the control panel 7 can be modulated according to the operation of the baking oven 1 so as to create contextual information.
  • non-useful data can be masked at certain given times, or a same area of the projection surface 5 can be used to alternately display different data.
  • the baking oven 1 has a front face 9 in one part made by an outer panel of the door 8 so as to visually integrate the control panel 7 and said door 8 in the same unit although these be physically separated.
  • the door 8 can thus be opened and closed relative to the opening of the cooking cavity 2 while the control panel 7 is held fixed.
  • this display device 3 can be placed behind the front face 9 of the appliance.
  • the control panel 7 is made by means of a glass surface, typically by a glass plate.
  • the display device 3 is placed behind this glass plate.
  • control panel is in no way limiting and may be different, and in particular made of a plastic material.
  • control panel 7 comprises control members 10 cooperating with a control unit 11 of the household appliance.
  • control members 10 of the control panel 7 are located on the rear face 6 of said control panel 7 constituting the projection surface 5.
  • control members 10 are either manually controlled by pressure or displacement, in particular rotary, or optical.
  • the flexible printed circuit board can be glued to the rear face 6 of the control panel 7.
  • the flexible printed circuit comprises at least one end a portion for the electrical connection with an electronic card control means of the appliance.
  • the portion of the flexible printed circuit comprises at least one connector such that said electrical connection is provided through said at least one connector.
  • optical cells can be either located on the rear face 6 of the control panel 7 which is transparent to the light emission of these optical cells, and in particular to the infrared radiation, being located projecting on the front face of the control panel 7 .
  • control members 10 disposed inside the door handle 19, and in particular on the rear face of the handle 19, are not very visible so as to improve the aesthetics of the appliance 1.
  • the display 12 of the projection system 4 may be for example of the LCD type (acronym for the English term Liquid Crystal Display), type VFD (acronym for the English term Vacuum Fluorescent Display), type LCOS (acronym for the English term Liquid Crystal on Silicon), or of the DLP type (acronym for the term Digital Light Processing).
  • LCD liquid crystal Display
  • VFD acronym for the English term Vacuum Fluorescent Display
  • type LCOS acronym for the English term Liquid Crystal on Silicon
  • DLP acronym for the term Digital Light Processing
  • a fixed display 12 makes it possible to project data in the form of a slide.
  • the fixed display 12 comprises a filter constituting an image that can be modulated by the lighting, in particular with the intensity of the light and / or the color.
  • Such a fixed display 12 is simple and inexpensive.
  • said at least one light source is in no way limiting and may be different, and in particular a light bulb.
  • said at least one display 12 in particular in the case of a VFD-type display, comprises said at least one light source 13 so that said at least one display 12 emits light and performs a optical valve as previously described.
  • the projection system 4 also comprises at least one projection lens 15 so as to enlarge the size of the projected data on the projection surface 5 at the output of said at least one display 12.
  • said at least one projection lens 15 makes it possible to enlarge the size of the projected image on the projection surface 5 with respect to the image at the output of the display 12, for example by a factor of 10.
  • the projection system 4 is spaced from the projection surface 5 constituted by the rear face 6 of the control panel 7 by a distance of between 200 mm and 500 mm.
  • the rear face 6 of the control panel 7 is covered with a reflection film of the light rays coming from outside the appliance so as to block the passage of these light rays through said control panel 7.
  • the control panel 7 covered with a reflection film on its rear face 6 is opaque and does not let light into the interior of the appliance so as not to not visualize organs of it from the outside.
  • the reflection film constitutes a support on which the image of the data projected by the projection system 4 can be created.
  • the reflection film is made by a screen printing layer.
  • the data projected by the projection system 4 is visible from the outside of the appliance through the screen printing layer by defining a degree of transparency by the pigments of the screen printing layer and / or by the thickness of the screen. silkscreen layer.
  • the reflection film is made by a frosting of the rear face 6 of the control panel 7, where said control panel 7 is made of glass.
  • the reflection film is made by adding a film consisting of glass microbeads or light-reflective glass micro-prisms.
  • the reflection film or a surface of this reflection film is provided with glass microbeads or glass micro-prisms. At least a portion of the light from the projection system 4 is intercepted by the reflection film and diffused on the surface of the glass microbeads or glass micro-prisms so that the projected image becomes visible.
  • reflection film is in no way limiting and may be different.
  • control panel 7 comprises control members 10, in particular a flexible printed circuit
  • the flexible printed circuit is pressed against the control panel 7 and then the reflection film is pressed against the flexible printed circuit.
  • the reflection film can be glued on the rear face 6 of the control panel 7 or on the flexible printed circuit.
  • the reflection film can also be integrated into the flexible printed circuit, in particular by depositing the layer of the printed circuit on the reflection film.
  • the walls of the appliance bodywork around the projection system 4 are black in color so as to minimize light reflection within said appliance and optimize the sharpness of the projected image on the projection surface 5.
  • the projection system 4 comprises an opaque device for reducing the section of the luminous flux (not shown) situated at the level of the said at least one projection lens 15 so that the projected data on the rear face 6 of the control panel 7 are clear.
  • the opaque section reduction device of the luminous flux makes it possible to produce a diaphragm.
  • the sharpness range is thus dimensioned to the fairest so as to cover the mechanical dispersion range of positioning of the projection system 4 with respect to the projection surface 5 constituted by the rear face 6 of the control panel 7, while optimizing the light output of the display device 3.
  • the projection system 4 is protected from the external environment of the appliance, shocks may occur during transport of the appliance.
  • the projection system 4 is fixed on a wall 16 of a cooling duct 17 of the appliance.
  • the projection system 4 is cooled by the passage of an air flow F through the cooling duct 17 of the appliance.
  • the flow of air F circulating in the cooling duct 17 may be implemented by natural convection or by forced convection, in particular by means of a fan 18.
  • the projection system 4 can be mounted on vibration reduction elements to limit the vibrations generated by the operation of the appliance so as to ensure the positioning and sharpness of the image projected by the projection system 4 on the projection surface 5.
  • the projection system 4 is positioned in a cooling air flow G of the appliance.
  • This air flow G flows from an air inlet opening 20 to an air outlet opening 21 by means of a fan 18.
  • the air inlet opening 20 is preferably located near the control panel 7 and in a wall of the body of the appliance.
  • the air flow G is sucked by the fan 18 and discharged through the ventilation duct 17 so as to form the flow of air F.
  • the air flow F is discharged outside the appliance through an air outlet opening 21 formed in the body of said appliance, preferably front end 9 thereof.
  • the projection system 4 projects the data directly from the projection system 4 onto the rear face 6 of the control panel 7.
  • the direct projection of the data from the projection system 4 onto the rear face 6 of the control panel 7 also makes it possible to reduce the cost of obtaining the display device 3.
  • control unit 11 cooperating with the control means 10 of the control panel 7 is arranged outside the projection field of the data on the control panel. projection surface 5.
  • the projection system 4 indirectly projects the data from the projection system 4 onto the rear face 6 of the control panel 7 by means of at least one deflection means 22.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transforming Electric Information Into Light Information (AREA)
EP11000963.6A 2010-02-23 2011-02-07 Haushaltsgerät umfassend eine Anzeigevorrichtung Active EP2362149B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1000737A FR2956726B1 (fr) 2010-02-23 2010-02-23 Appareil electromenager comprenant un dispositif d'affichage

Publications (2)

Publication Number Publication Date
EP2362149A1 true EP2362149A1 (de) 2011-08-31
EP2362149B1 EP2362149B1 (de) 2017-05-24

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EP11000963.6A Active EP2362149B1 (de) 2010-02-23 2011-02-07 Haushaltsgerät umfassend eine Anzeigevorrichtung

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EP (1) EP2362149B1 (de)
FR (1) FR2956726B1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRN20110083A1 (it) * 2011-12-22 2013-06-23 Indesit Co Spa Elettrodomestico.
DE102012103683A1 (de) 2012-04-26 2013-10-31 Miele & Cie. Kg Anzeigeeinrichtung in einem Haushaltsgerät und Haushaltsgerät mit einer solchen Anzeigeeinrichtung
DE102012103684A1 (de) 2012-04-26 2013-10-31 Miele & Cie. Kg Anzeigeeinrichtung in einem Haushaltsgerät und Haushaltsgerät mit einer solchen Anzeigeeinrichtung
EP3115497A1 (de) * 2015-07-08 2017-01-11 BSH Hausgeräte GmbH Haushaltsgerät mit anzeigevorrichtung
WO2017020309A1 (zh) * 2015-08-06 2017-02-09 陈学良 具有食物投影功能的微波炉及其控制方法
DE102017218173A1 (de) 2017-10-11 2019-04-11 BSH Hausgeräte GmbH Haushaltsgerät mit Bedienelement und Bildprojektor
WO2020015913A1 (en) * 2018-07-19 2020-01-23 Arcelik Anonim Sirketi A household appliance with a control interface
CN111810989A (zh) * 2020-06-11 2020-10-23 华帝股份有限公司 一种具有投影装置的燃气灶
US11927396B2 (en) 2018-09-12 2024-03-12 Flynn Burner Corporation Safety auditing system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012212350B4 (de) 2012-07-13 2019-02-07 E.G.O. Elektro-Gerätebau GmbH Kochfeld
CN108570815B (zh) * 2017-03-07 2022-04-05 青岛海尔洗衣机有限公司 一种应用于家用电器的投影显示装置、洗衣机及控制方法

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE10259763A1 (de) * 2002-12-19 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Optische Betriebsanzeige für ein Haushaltgerät sowie Haushaltgerät, insbesondere Einbau-Haushaltgerät
DE202004020673U1 (de) * 2003-10-08 2005-11-03 Philipp, Harald, Southampton Berührungs-sensitives Bedienfeld
WO2006013009A1 (de) * 2004-07-30 2006-02-09 E.G.O. Elektro-Gerätebau GmbH Haushaltsgerät mit optischer anzeige
DE102004036212A1 (de) 2004-07-26 2006-03-30 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerätevorbereitung
US20080211779A1 (en) * 1994-08-15 2008-09-04 Pryor Timothy R Control systems employing novel physical controls and touch screens
DE102007029174A1 (de) * 2007-06-25 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Bedien- und Anzeigevorrichtung

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
PL1891499T3 (pl) * 2005-06-03 2012-05-31 Electrolux Ab Urządzenie gospodarstwa domowego wyposażone w chowany interfejs użytkownika

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
US20080211779A1 (en) * 1994-08-15 2008-09-04 Pryor Timothy R Control systems employing novel physical controls and touch screens
DE10259763A1 (de) * 2002-12-19 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Optische Betriebsanzeige für ein Haushaltgerät sowie Haushaltgerät, insbesondere Einbau-Haushaltgerät
DE202004020673U1 (de) * 2003-10-08 2005-11-03 Philipp, Harald, Southampton Berührungs-sensitives Bedienfeld
DE102004036212A1 (de) 2004-07-26 2006-03-30 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerätevorbereitung
WO2006013009A1 (de) * 2004-07-30 2006-02-09 E.G.O. Elektro-Gerätebau GmbH Haushaltsgerät mit optischer anzeige
DE102007029174A1 (de) * 2007-06-25 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Bedien- und Anzeigevorrichtung

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRN20110083A1 (it) * 2011-12-22 2013-06-23 Indesit Co Spa Elettrodomestico.
DE102012103683A1 (de) 2012-04-26 2013-10-31 Miele & Cie. Kg Anzeigeeinrichtung in einem Haushaltsgerät und Haushaltsgerät mit einer solchen Anzeigeeinrichtung
DE102012103684A1 (de) 2012-04-26 2013-10-31 Miele & Cie. Kg Anzeigeeinrichtung in einem Haushaltsgerät und Haushaltsgerät mit einer solchen Anzeigeeinrichtung
DE102012103684B4 (de) * 2012-04-26 2016-09-15 Miele & Cie. Kg Haushaltsgerät mit einer Anzeigeeinrichtung
EP3115497A1 (de) * 2015-07-08 2017-01-11 BSH Hausgeräte GmbH Haushaltsgerät mit anzeigevorrichtung
CN106324953A (zh) * 2015-07-08 2017-01-11 博西华电器（江苏）有限公司 具有显示装置的家用电器
WO2017020309A1 (zh) * 2015-08-06 2017-02-09 陈学良 具有食物投影功能的微波炉及其控制方法
DE102017218173A1 (de) 2017-10-11 2019-04-11 BSH Hausgeräte GmbH Haushaltsgerät mit Bedienelement und Bildprojektor
WO2020015913A1 (en) * 2018-07-19 2020-01-23 Arcelik Anonim Sirketi A household appliance with a control interface
US11927396B2 (en) 2018-09-12 2024-03-12 Flynn Burner Corporation Safety auditing system
CN111810989A (zh) * 2020-06-11 2020-10-23 华帝股份有限公司 一种具有投影装置的燃气灶

Also Published As

Publication number Publication date
FR2956726B1 (fr) 2012-03-16
EP2362149B1 (de) 2017-05-24
FR2956726A1 (fr) 2011-08-26

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