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EP3137825B1 - Household appliance with an improved display panel mounting base - Google Patents

Household appliance with an improved display panel mounting base Download PDF

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Publication number
EP3137825B1
EP3137825B1 EP14724661.5A EP14724661A EP3137825B1 EP 3137825 B1 EP3137825 B1 EP 3137825B1 EP 14724661 A EP14724661 A EP 14724661A EP 3137825 B1 EP3137825 B1 EP 3137825B1
Authority
EP
European Patent Office
Prior art keywords
display panel
household appliance
protective frame
frame enclosure
electrical household
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.)
Active
Application number
EP14724661.5A
Other languages
German (de)
French (fr)
Other versions
EP3137825A1 (en
Inventor
Fatih Demiray
Murat DUYGULU
Cem Ozdemir
Ahmet Onur Moza
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.)
Arcelik AS
Original Assignee
Arcelik AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP3137825A1 publication Critical patent/EP3137825A1/en
Application granted granted Critical
Publication of EP3137825B1 publication Critical patent/EP3137825B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F25D29/005—Mounting of control devices
    • 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
    • F25D2400/361—Interactive visual displays

Definitions

  • the present invention relates to a household appliance having a front display panel secured to a display slot with an improved structure.
  • Front faces of household appliances usually comprise a control and information panel in the upper portion thereof; such an information panel typically enabling the user set different operation modes and get informed of the current operational status of the appliance.
  • Such an information display and operation control panel may involve illuminating elements placed behind transparent textual indications for visually indicating operational status of the household appliance.
  • An electronic touch panel can be employed in higher-end products.
  • An electronic display panel fixedly mounted into a respective slot on the front side sheet of the household appliance such as a refrigerator is usually insulated and surrounded by an insulation material such as polyurethane.
  • the rear side of the display panel placed into the display slot is generally covered by an aluminum foil and insulation material is applied over the aluminum foil.
  • the front sheet of the household appliance features noticeable surface irregularities or unevenness in the sheet surrounding the display panel. This is primarily caused by the insulation material that fills into the openings around the display panel conductors and reaches under the aluminum foil.
  • the polyurethane trapped under the aluminum foil hardens, deforms and expands, creates tensions on the front sheet.
  • the display control panel component comprises a display control panel and a display control panel mounting plate, wherein the display control panel is provided with a display screen and an injection molding part; the display control panel is arranged on the display control panel mounting plate, the display control panel mounting plate and the injection molding part are integrally formed through injection molding, a first display hole running through the display control panel mounting plate along the thickness direction of the display control panel mounting plate is formed in the display control panel mounting plate, and the first display hole is opposite to the display screen.
  • International Patent Application WO 2010/029042 A1 discloses a household appliance that comprises a door and a glass panel that is mounted on the door. Moreover, a control panel is mounted in a cover that is fixed to a frame which is attached to the glass panel.
  • the present invention provides an improved information display panel for an electrical household appliance, by which the front sheet of the household appliance around the display panel features no surface unevenness particularly in the vicinity of the frame area of the display panel.
  • the present invention provides an electrical household appliance with a display panel overcoming the aforementioned inconveniences, which is defined in the characterized portion of Claim 1.
  • Primary object of the present invention is to provide a household appliance with a display panel around which the front sheet has no surface irregularities.
  • the present invention proposes an electrical household appliance having a front side with a control or display panel.
  • the display panel is inserted into a display panel slot with the rear surface of the display panel slot being laterally covered by a protective frame enclosure.
  • An aluminum foil sheet material is adhered to said rear surface of the display panel slot such that the protective frame enclosure is also covered.
  • the protective frame enclosure is designed such that it encircles the rear surface of the display panel slot and it provides that an electric conductor extending inside said display panel is spaced apart from the front sheet's inner surface.
  • the protective frame enclosure is formed as a two-piece unit in the manner that the two pieces as U-shape members can be joined to form the protective frame enclosure, therefore ensuring that each U-shape member can be separately mounted in an easy manner.
  • Said protective frame enclosure is preferably made of expandable polystyrene material and said foil sheet material is preferably an aluminum sheet material.
  • the electrical household appliance may be a refrigeration appliance, a cooking oven or a laundry treatment appliance.
  • the present invention proposes a household appliance front side display panel as defined in Claim 1.
  • the present invention proposes a household appliance such as a refrigerator, cooking oven or a laundry treatment appliance having a front side with a display panel (1) within a first-side sheet (2), i.e. the front sheet of the household appliance.
  • the display panel (1) may provide various information display means as well as operation control elements to set different operation settings of the appliance.
  • the display panel (1) may be designed as an electronic touch panel as in the case of higher-end products.
  • the display panel (1) having a generally planar surface is fixedly attached to the first-side sheet (2) surface in a display panel slot (3) in an appropriate location.
  • the rear side of the display panel slot (3) having a second-side surface (4), i.e. a rear surface is covered by an aluminum foil (not shown) and insulation material is applied over the aluminum foil after a protective frame enclosure (6) is placed around the second-side surface (4) of said display panel slot (3) as will be delineated hereinafter.
  • a protective frame enclosure (6) is secured around the surface edges of said display panel slot (3) in the form of an inner frame laterally enclosing the rear side of the display panel slot (3).
  • An aluminum foil is then adhered to the second-side surface (4) such that the second-side surface (4) itself, the protective frame enclosure (6) and part of electric conductors (5) leading to the display panel slot (3) are covered.
  • the aluminum foil is effective in that it eliminates condensation within the display panel slot (3).
  • the insulation material is applied over the aluminum foil at the final stage.
  • liquid polyurethane is prevented from reaching under the aluminum foil and to areas in the direct vicinity of said display panel slot (3) by filling into the openings around the electric conductors, because a raised edge (7) of the protective frame enclosure (6) under each electric conductor (5) prevents polyurethane flow in the direction of the display panel slot (3).
  • the fact that the aluminum foil covering the second-side surface (4) and the protective frame enclosure (6) may still leave small openings around an electric conductor (5) as the electric conductors (5) have a cross-section with a circular shape and the foil may not remain in contact around the entire cross-sectional perimeter thereof, the raised edge (7) of the protective frame enclosure (6), from the sheet inner surface (8) to the electric conductor holes (9), affords an effective barrier against the inward flow of the liquid insulation material.
  • the protective frame enclosure (6) may be designed as a two-piece unit in the manner that the two pieces as U-shape members (10) are joined to form the protective frame enclosure (6).
  • the two-piece structure of the protective frame enclosure (6) provides that each U-shape member (10) can be separately mounted at a manufacturing stage where connection of the electric conductors (5) to the display panel slot (3) is already realized. This ensures that the protective frame enclosure (6) can be mounted in a very practical fashion.
  • the present invention proposes an electrical household appliance having a first side with a display panel (1) providing an information display means and operation control elements to set different operation settings of the household appliance and provided within a first-side sheet (2) portion of the household appliance, the display panel (1) being attached to the first-side sheet (2) in a display panel slot (3) having a second-side surface (4) facing approximately 180 degrees away from the first side.
  • a protective frame enclosure (6) is secured around surface edges of the second-side surface (4) of the display panel slot (3), the protective frame enclosure (6) being provided in the form of a frame laterally enclosing a second side of the display panel slot (3).
  • a foil sheet material is adherable to the second-side surface (4) of the display panel slot (3) such that the second-side surface (4) and the protective frame enclosure (6) are covered.
  • the protective frame enclosure (6) comprises electric conductor holes (9) allowing passage of at least one electric conductor (5) into the display panel slot (3).
  • a raised edge (7) of the protective frame enclosure (6) is provided such that a certain distance from sheet inner surface (8) to the electric conductor hole (9) is provided.
  • the protective frame enclosure (6) is formed as a two-piece unit in the manner that the two pieces as U-shape members (10) are joined to form the protective frame enclosure (6) whereby each U-shape member (10) can be separately mounted.
  • said protective frame enclosure (6) is made of expandable polystyrene material.
  • said foil sheet material is an aluminum sheet material.
  • said electrical household appliance is a refrigeration appliance.
  • the present invention is therefore devised under the recognition that surface irregularities and local unevenness creating notably visible quality problems in high-end products are addressed and the front sheet of the household appliance around the display panel (1) features no surface unevenness particularly in the vicinity of the frame area of the display panel (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Description

  • The present invention relates to a household appliance having a front display panel secured to a display slot with an improved structure.
  • Front faces of household appliances usually comprise a control and information panel in the upper portion thereof; such an information panel typically enabling the user set different operation modes and get informed of the current operational status of the appliance. Such an information display and operation control panel may involve illuminating elements placed behind transparent textual indications for visually indicating operational status of the household appliance. An electronic touch panel can be employed in higher-end products.
  • An electronic display panel fixedly mounted into a respective slot on the front side sheet of the household appliance such as a refrigerator is usually insulated and surrounded by an insulation material such as polyurethane. The rear side of the display panel placed into the display slot is generally covered by an aluminum foil and insulation material is applied over the aluminum foil. To this end, although the display panel is fixed and insulated in an appropriate manner, it might happen that the front sheet of the household appliance features noticeable surface irregularities or unevenness in the sheet surrounding the display panel. This is primarily caused by the insulation material that fills into the openings around the display panel conductors and reaches under the aluminum foil. As the polyurethane trapped under the aluminum foil hardens, deforms and expands, creates tensions on the front sheet. These surface irregularities and local unevenness creates a notably visible manufacturing quality problem in high-end products and should as such be addressed in an effective manner.
  • Among others, a prominent patent disclosure in the technical field of the present invention may be referred to as CN103471342 , disclosing a display control panel component and a refrigerator provided with the display control panel component. The display control panel component comprises a display control panel and a display control panel mounting plate, wherein the display control panel is provided with a display screen and an injection molding part; the display control panel is arranged on the display control panel mounting plate, the display control panel mounting plate and the injection molding part are integrally formed through injection molding, a first display hole running through the display control panel mounting plate along the thickness direction of the display control panel mounting plate is formed in the display control panel mounting plate, and the first display hole is opposite to the display screen.
  • International Patent Application WO 2010/029042 A1 discloses a household appliance that comprises a door and a glass panel that is mounted on the door. Moreover, a control panel is mounted in a cover that is fixed to a frame which is attached to the glass panel.
  • Documents US 2002/063514 A1 , WO 2013/098007 A1 , WO 2007/060188 A2 , WO 03/081153 A1 , JP H11 118348 A and US 2011/147417 A1 also disclose relevant prior art. The present invention provides an improved information display panel for an electrical household appliance, by which the front sheet of the household appliance around the display panel features no surface unevenness particularly in the vicinity of the frame area of the display panel.
  • The present invention provides an electrical household appliance with a display panel overcoming the aforementioned inconveniences, which is defined in the characterized portion of Claim 1.
  • Primary object of the present invention is to provide a household appliance with a display panel around which the front sheet has no surface irregularities.
  • The present invention proposes an electrical household appliance having a front side with a control or display panel. The display panel is inserted into a display panel slot with the rear surface of the display panel slot being laterally covered by a protective frame enclosure. An aluminum foil sheet material is adhered to said rear surface of the display panel slot such that the protective frame enclosure is also covered.
  • The protective frame enclosure is designed such that it encircles the rear surface of the display panel slot and it provides that an electric conductor extending inside said display panel is spaced apart from the front sheet's inner surface.
  • The protective frame enclosure is formed as a two-piece unit in the manner that the two pieces as U-shape members can be joined to form the protective frame enclosure, therefore ensuring that each U-shape member can be separately mounted in an easy manner.
  • Said protective frame enclosure is preferably made of expandable polystyrene material and said foil sheet material is preferably an aluminum sheet material. The electrical household appliance may be a refrigeration appliance, a cooking oven or a laundry treatment appliance.
  • Accompanying drawings are given solely for the purpose of exemplifying a household appliance display panel whose advantages over prior art were outlined above and will be explained hereinafter in brief.
  • The drawings are not meant to delimit the scope of protection as identified in the claims nor should they be referred to alone in an effort to interpret the scope identified in said claims without recourse to the technical disclosure in the description of the present invention.
    • Fig. 1 demonstrates a general rear perspective view of a household appliance front sheet with the rear side of the display slot being shown with a protective frame enclosure according to the present invention.
    • Fig. 2 demonstrates a general rear perspective view of a household appliance front sheet while the rear side of the display slot is shown with a protective frame enclosure being mounted as indicated by the arrows according to the present invention.
    • Fig. 3 demonstrates a general perspective view of the protective frame enclosure according to the present invention.
  • Referring now to the figures outlined above, the present invention proposes a household appliance front side display panel as defined in Claim 1.
  • The following numerals are assigned to different parts demonstrated in the drawings:
    1. 1. Display panel
    2. 2. First side sheet
    3. 3. Display panel slot
    4. 4. Second side surface
    5. 5. Electric conductor
    6. 6. Protective frame enclosure
    7. 7. Raised edge
    8. 8. Sheet inner surface
    9. 9. Electric conductor hole
    10. 10. U-shape member
  • The present invention proposes a household appliance such as a refrigerator, cooking oven or a laundry treatment appliance having a front side with a display panel (1) within a first-side sheet (2), i.e. the front sheet of the household appliance. The display panel (1) may provide various information display means as well as operation control elements to set different operation settings of the appliance. The display panel (1) may be designed as an electronic touch panel as in the case of higher-end products.
  • The display panel (1) having a generally planar surface is fixedly attached to the first-side sheet (2) surface in a display panel slot (3) in an appropriate location. In order for insulating the display panel (1), the rear side of the display panel slot (3) having a second-side surface (4), i.e. a rear surface, is covered by an aluminum foil (not shown) and insulation material is applied over the aluminum foil after a protective frame enclosure (6) is placed around the second-side surface (4) of said display panel slot (3) as will be delineated hereinafter.
  • To this end, in order for avoiding noticeable surface irregularities or unevenness on the front sheet in the areas immediately surrounding the display panel (1), a protective frame enclosure (6) is secured around the surface edges of said display panel slot (3) in the form of an inner frame laterally enclosing the rear side of the display panel slot (3). An aluminum foil is then adhered to the second-side surface (4) such that the second-side surface (4) itself, the protective frame enclosure (6) and part of electric conductors (5) leading to the display panel slot (3) are covered. The aluminum foil is effective in that it eliminates condensation within the display panel slot (3). The insulation material is applied over the aluminum foil at the final stage.
  • Accordingly, the liquid polyurethane is prevented from reaching under the aluminum foil and to areas in the direct vicinity of said display panel slot (3) by filling into the openings around the electric conductors, because a raised edge (7) of the protective frame enclosure (6) under each electric conductor (5) prevents polyurethane flow in the direction of the display panel slot (3). Therefore, the fact that the aluminum foil covering the second-side surface (4) and the protective frame enclosure (6) may still leave small openings around an electric conductor (5) as the electric conductors (5) have a cross-section with a circular shape and the foil may not remain in contact around the entire cross-sectional perimeter thereof, the raised edge (7) of the protective frame enclosure (6), from the sheet inner surface (8) to the electric conductor holes (9), affords an effective barrier against the inward flow of the liquid insulation material.
  • According to the present invention, the protective frame enclosure (6) may be designed as a two-piece unit in the manner that the two pieces as U-shape members (10) are joined to form the protective frame enclosure (6). The two-piece structure of the protective frame enclosure (6) provides that each U-shape member (10) can be separately mounted at a manufacturing stage where connection of the electric conductors (5) to the display panel slot (3) is already realized. This ensures that the protective frame enclosure (6) can be mounted in a very practical fashion.
  • In a nutshell, the present invention proposes an electrical household appliance having a first side with a display panel (1) providing an information display means and operation control elements to set different operation settings of the household appliance and provided within a first-side sheet (2) portion of the household appliance, the display panel (1) being attached to the first-side sheet (2) in a display panel slot (3) having a second-side surface (4) facing approximately 180 degrees away from the first side.
  • A protective frame enclosure (6) is secured around surface edges of the second-side surface (4) of the display panel slot (3), the protective frame enclosure (6) being provided in the form of a frame laterally enclosing a second side of the display panel slot (3).
  • According to an embodiment of the present invention, a foil sheet material is adherable to the second-side surface (4) of the display panel slot (3) such that the second-side surface (4) and the protective frame enclosure (6) are covered.
  • According to a further embodiment of the present invention, the protective frame enclosure (6) comprises electric conductor holes (9) allowing passage of at least one electric conductor (5) into the display panel slot (3).
  • According to a still further embodiment of the present invention, a raised edge (7) of the protective frame enclosure (6) is provided such that a certain distance from sheet inner surface (8) to the electric conductor hole (9) is provided.
  • According to a yet still further embodiment of the present invention, the protective frame enclosure (6) is formed as a two-piece unit in the manner that the two pieces as U-shape members (10) are joined to form the protective frame enclosure (6) whereby each U-shape member (10) can be separately mounted.
  • According to a yet still further embodiment of the present invention, said protective frame enclosure (6) is made of expandable polystyrene material.
  • According to a yet still further embodiment of the present invention, said foil sheet material is an aluminum sheet material.
  • According to a yet still further embodiment of the present invention, said electrical household appliance is a refrigeration appliance.
  • The present invention is therefore devised under the recognition that surface irregularities and local unevenness creating notably visible quality problems in high-end products are addressed and the front sheet of the household appliance around the display panel (1) features no surface unevenness particularly in the vicinity of the frame area of the display panel (1).

Claims (6)

  1. An electrical household appliance having a first side with a display panel (1) providing an information display means and operation control elements to set different operation settings of the household appliance and provided within a first-side sheet (2) portion of the household appliance, said display panel (1) being attached to said first-side sheet (2) in a display panel slot (3) having a second-side surface (4) facing approximately 180 degrees away from the first side,
    wherein
    - a protective frame enclosure (6) is secured around surface edges of said second-side surface (4) of the display panel slot (3), said protective frame enclosure (6) being provided in the form of a frame laterally enclosing a second side of the display panel slot (3),
    characterized in that
    - a foil sheet material is adhered to the second-side surface (4) of the display panel slot (3) such that the second-side surface (4) and the protective frame enclosure (6) are covered,
    - the protective frame enclosure (6) is formed as a two-piece unit in the manner that the two pieces as U-shape members (10) are joined to form the protective frame enclosure (6) whereby each U-shape member (10) can be separately mounted.
  2. An electrical household appliance as in Claim 1, characterized in that the protective frame enclosure (6) comprises electric conductor holes (9) allowing passage of at least one electric conductor (5) into the display panel slot (3).
  3. An electrical household appliance as in Claim 2, characterized in that a raised edge (7) of the protective frame enclosure (6) is provided such that a certain distance from sheet inner surface (8) to the electric conductor hole (9) is provided.
  4. An electrical household appliance as any of the preceding Claims, characterized in that the protective frame enclosure (6) is made of expandable polystyrene material.
  5. An electrical household appliance as in any of the preceding Claims, characterized in that the foil sheet material is an aluminum sheet material.
  6. An electrical household appliance as in any of the preceding Claims, characterized in that said electrical household appliance is a refrigeration appliance.
EP14724661.5A 2014-04-30 2014-04-30 Household appliance with an improved display panel mounting base Active EP3137825B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/058812 WO2015165518A1 (en) 2014-04-30 2014-04-30 Household appliance with an improved display panel mounting base

Publications (2)

Publication Number Publication Date
EP3137825A1 EP3137825A1 (en) 2017-03-08
EP3137825B1 true EP3137825B1 (en) 2018-04-25

Family

ID=50733020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14724661.5A Active EP3137825B1 (en) 2014-04-30 2014-04-30 Household appliance with an improved display panel mounting base

Country Status (2)

Country Link
EP (1) EP3137825B1 (en)
WO (1) WO2015165518A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3370910B2 (en) * 1997-10-21 2003-01-27 松下冷機株式会社 Refrigerator temperature controller
JP2002170521A (en) * 2000-11-29 2002-06-14 Nec Corp Plane type fluorescent lamp, lighting system, and liquid crystal display device
WO2003081153A1 (en) * 2002-03-22 2003-10-02 Arcelik A.S. A domestic appliance
WO2007060188A2 (en) * 2005-11-24 2007-05-31 Arcelik Anonim Sirketi A household appliance
ES2386004T3 (en) * 2008-09-09 2012-08-07 Arçelik Anonim Sirketi Home appliance
US9103578B2 (en) * 2009-12-21 2015-08-11 Whirlpool Corporation Substance communicating device for coupling to a host
EP2798291A1 (en) * 2011-12-26 2014-11-05 Arçelik Anonim Sirketi A cooling device comprising a control panel
CN103471342A (en) * 2013-09-23 2013-12-25 合肥美的电冰箱有限公司 Display control panel component and refrigerator provided with same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2015165518A1 (en) 2015-11-05
EP3137825A1 (en) 2017-03-08

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