EP1364557B1 - Isolierverglasungselement, insbesondere für gekühltes gehäuse - Google Patents

Isolierverglasungselement, insbesondere für gekühltes gehäuse Download PDF

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Publication number
EP1364557B1
EP1364557B1 EP02714266A EP02714266A EP1364557B1 EP 1364557 B1 EP1364557 B1 EP 1364557B1 EP 02714266 A EP02714266 A EP 02714266A EP 02714266 A EP02714266 A EP 02714266A EP 1364557 B1 EP1364557 B1 EP 1364557B1
Authority
EP
European Patent Office
Prior art keywords
border
glass
sheet
heating
face
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.)
Expired - Lifetime
Application number
EP02714266A
Other languages
English (en)
French (fr)
Other versions
EP1364557A1 (de
Inventor
André Beyrle
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.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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 Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP1364557A1 publication Critical patent/EP1364557A1/de
Application granted granted Critical
Publication of EP1364557B1 publication Critical patent/EP1364557B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/0434—Glass or transparent panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure

Definitions

  • the invention relates to an insulating glass element comprising at least two sheets of glass separated from each other by a space and at least one support element, especially for refrigerated enclosure.
  • Glazing is generally placed in a frame allowing them to support for use in areas where their properties of thermal insulation are sought (building, refrigeration, .).
  • condensation water or frost presents disadvantages: reduction of the field of vision through the glazed element, appearance of mold, puddling on the ground, moisture transfer on the skin, presence of rings on the clothes, risk of "sticking" of the skin on frosted parts, ...
  • the present invention aims to provide a formed insulating glazed element at least two sheets of glass and at least one profile, which makes it possible to prevent the appearance of condensation and the formation of frost on the periphery.
  • the invention proposes an insulating glazing element comprising at least two glass sheets and at least one profile, said element having at least one heating edge on at least one side of at least one sheet of glass, and the edge being covered by the profile and being joined to the profile by a joint heat conductor.
  • an insulating glazing element comprising at least two glass sheets and at least one profile, said element having at least one heating edge on at least one side of at least one sheet of glass, and the edge being covered by the profile and being joined to the profile by a joint heat conductor.
  • the heating edge is carried by the outer face of the outer glass sheet.
  • the border is directly in contact, over its entire surface, with the conductive seal of the heat, which allows to heat the profile with maximum efficiency.
  • the heating edge is formed by the enamel deposit or of resin containing electrically conductive particles, such as particles of silver, nickel, zinc, copper, graphite or metal valuable such as gold, platinum or palladium.
  • electrically conductive particles such as particles of silver, nickel, zinc, copper, graphite or metal valuable such as gold, platinum or palladium.
  • the silver particles are particularly because they have a conductivity / cost ratio advantageous.
  • the enamel useful for the invention may be any composition comprising a frit of glass, possibly associated with pigments (as dyes, these pigments that can be part of the frit), and a medium.
  • the glass frit can be any glass frit to finally form a vitreous matrix on the support, preferably a matrix that can withstand the required temperatures for thermal quenching (maximum temperature of the order of 650 ° C). For some recycling considerations essentially, it is preferred a frit that does not contain substantially no lead.
  • the medium ensures the suspension solid particles and allows for the application and temporary enamel on the glass.
  • the medium is generally chosen from organic materials such as as pine oil, terpenes, mineral oils, thinners and resins.
  • the resin useful for the invention is chosen from resins capable of forming finally a polymer layer on the glass support.
  • the resin is a epoxy resin, polyimide, silicone, polyester or polyacrylate.
  • the heating edge is generally obtained by depositing the composition of enamel or polymer resin containing the metal particles on the glass by spraying, roll or curtain coating, or screen printing and subjecting the coated glass to baking at a temperature of about 500 at 650 ° C in the case of enamel and 100 to 200 ° C in the case of a resin. Of preferred way, one proceeds by screen printing.
  • the border may extend the entire length of one side of the sheet (s) of glass in question, or occupy only part of the length.
  • the ends of the border are provided with current feed elements, by example of welded or glued lugs, to heat the edge on all its length.
  • the border may be arranged on only one side or on several sides.
  • the border is worn by at least two sides, advantageously opposite, and better still by three or four sides. In the latter case, the border is advantageously continuous and connected at both ends to the electric current.
  • the length, width, thickness, and shape of the border are not criticism.
  • the invention makes it possible to modulate and optimize easily the intensity of heating of the border: by playing in particular on the width, one can easily get more heated parts than others within a single band or several bands.
  • the recovery by the profile allows, when the border is carried by the outer face of the sheet outside, to protect it from further damage, such as which result from the application of certain cleaning products.
  • the thermally conductive seal is generally made of a polymeric material comprising conductive particles, for example a silicone or an epoxy resin in combination with alumina particles.
  • the heating edge is worn by the inner face of the outer glass sheet.
  • the heating edge is located on the outer surface of an intermediate glass sheet or a glass sheet interior.
  • This intermediate element may for example be a sheet metal of which at least one end is folded to form an angle substantially straight or metal section in L or T, and one end being bound to the border, for example by welding or gluing, and the other or another free end being arranged parallel to the thickness of the glass sheet carrying the border.
  • This way of operating confers a greater surface of contact between the edge and the thermally conductive seal, which, by way of Consequently, it is possible to increase the heating efficiency of the profile supporting the glass sheets.
  • the element glazed window comprises at least two glass sheets separated from one another by a space and joined at their periphery by a seal, advantageously waterproof.
  • the element consists of three sheets of glass.
  • the outer sheet is a sheet of heat-treated glass.
  • Thermal quenching makes it possible to generate important constraints in the glass so that when broken accidentally, it breaks up into pieces small enough not to cause injury.
  • the quenching step is an operation known per se: As an illustration, it is possible, for example, to quench at a temperature of the order of 550 to 650 ° C for 2 to 4 minutes depending on the thickness of the glass.
  • this sheet carries one or more heating edges in the form of a deposit Enamel, tempering also allows to enamel cooking.
  • FIG. 1 represents a refrigerated enclosure 1 of the "tray” freezer type, open on the top, the front and side faces of which are equipped with glazing insulating 2, 3, 4 according to the invention.
  • Each glazed element 2, 3, 4 is here consisting of one or more profiles forming a frame 5, 6, 7 supporting sheets of glass 8, 9, 10.
  • FIG. 2 represents a front view of a glazed element according to the first embodiment of the invention.
  • Figure 3 is a vertical section of the same element.
  • the glazed element comprises two sheets of glass 11, 12, provided with a heating edge 18, supported by a frame having the shape of the profile 13.
  • the profile 13 is shown in dashed lines to to make the heating edge 18 more clearly visible.
  • the glass sheets 11, 12 are separated from each other by a space 14 and joined at the periphery by a seal seal 15, moisture-proof.
  • a profile hollow 16 containing a desiccant which is attached to the glass by a cord 17.
  • the outer sheet 11 is provided on its outer face with a heating edge 18 of variable width that extends on all four sides of the leaf whose ends carry a lug 19 for the power supply.
  • a thermally conductive seal 20 provides the connection between the border 18 and profiled 13.
  • FIG. 4 represents a front view of a glazed element according to the second embodiment of the invention and FIG. 5 is a vertical section of this element.
  • the element consists of glass sheets 11, 12 supported by the profile 13, also shown in dashed lines in FIG.
  • the glass sheets 11, 12, separated by the space 14 are joined at the periphery by the sealing joint 15.
  • the space 14 comprises the hollow profile 16 enclosing the desiccant and the bead 17 (not shown).
  • Leaf 11 on the inside has two heating edges 21, 22 distinct, of the same width and length substantially equal to the sides of the sheet 11, the ends of which bear pods 19.
  • Intermediate elements 23 are fixed on the edges 21, 22 by gluing or by welding at the level of the end 24, the free end 25 being folded towards the sheet 11 and disposed in a plane substantially parallel to the thickness of the sheet. The entire surface of the end 25 is thus exposed to contact with the seal 20 for heating the profile 13.
  • FIG. 6 represents a front view of a glazed element according to the third embodiment of the invention and FIG. 7 is a vertical section of this element.
  • the element here consists of three sheets of glass 11, 12, 26 supported by the section 13, also shown in dashed lines in FIG. 11, 12, 26, separated by the spaces 14, 27 are joined at the periphery by the seal 15.
  • Each space 14, 27 contains the hollow profile 16 containing the desiccant and the bead 17 (not shown).
  • the intermediate sheet 12 carries here, on the outer face, a heating edge 28, formed of the upper and lower strips 29 interconnected on one side, whose ends with lugs 19 are on the side of the sheet opposed to the precedent.
  • the intermediate element 31 is here a T-section whose core 32 is fixed on the strip 29 of the heating border 28 and the wings 33 are arranged in a plane substantially perpendicular to the plane of the sheet 26 carrying the border.
  • the wings 33 are joined to the profile 13 by the conductive seal 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Glass Compositions (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Refrigerator Housings (AREA)

Claims (10)

  1. Isolierglaselement, das mindestens zwei Glasscheiben umfasst, die durch einen Zwischenraum getrennt und am Umfang durch eine Dichtung und wenigstens ein Profil verbunden sind, dadurch gekennzeichnet, dass das Element auf wenigstens einer Seite mindestens einer Glasscheibe mindestens eine beheizbare Einfassung aufweist, und dass diese Einfassung von dem/den Profil/en bedeckt und mit dem/den Profil/en durch eine wärmeleitende Dichtung vereinigt wird. ,
  2. Element nach Anspruch 1, dadurch gekennzeichnet, dass die beheizbare Einfassung aus einem Metallteilchen enthaltenden Email oder Harz besteht.
  3. Element nach Anspruch 2, dadurch gekennzeichnet, dass die Metallteilchen aus Teilchen aus Silber, Nickel, Zink, Kupfer, Graphit oder einem Edelmetall wie Gold, Platin bzw. Palladium ausgewählt sind.
  4. Element nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sich die beheizbare Einfassung auf der Außenseite der äußeren Glasscheibe befindet.
  5. Element nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sich die Einfassung auf der Innenseite der äußeren Glasscheibe befindet.
  6. Element nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sich die Einfassung auf der Außenseite einer Zwischen- oder Innenglasscheibe befindet.
  7. Element nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass es mindestens drei Glasscheiben umfasst.
  8. Element nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass es außerdem ein wärmeleitendes Zwischenelement enthält, das mit der beheizbaren Einfassung verbunden ist und es erlaubt, die Kontaktfläche der Einfassung mit der wärmeleitenden Dichtung zu vergrößern.
  9. Element nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die äußere Scheibe eine thermisch vorgespannte Glasscheibe ist.
  10. Kühlraum, der mindestens ein Glaselement nach einem der Ansprüche 1 bis 9 umfasst.
EP02714266A 2001-02-28 2002-02-27 Isolierverglasungselement, insbesondere für gekühltes gehäuse Expired - Lifetime EP1364557B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0102708 2001-02-28
FR0102708A FR2821519B1 (fr) 2001-02-28 2001-02-28 Element vitre isolant, notamment pour enceinte refrigeree
PCT/FR2002/000708 WO2002069673A1 (fr) 2001-02-28 2002-02-27 Element vitre isolant, notamment pour enceinte refrigeree

Publications (2)

Publication Number Publication Date
EP1364557A1 EP1364557A1 (de) 2003-11-26
EP1364557B1 true EP1364557B1 (de) 2005-12-21

Family

ID=8860539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02714266A Expired - Lifetime EP1364557B1 (de) 2001-02-28 2002-02-27 Isolierverglasungselement, insbesondere für gekühltes gehäuse

Country Status (8)

Country Link
US (1) US7246470B2 (de)
EP (1) EP1364557B1 (de)
AT (1) ATE313931T1 (de)
DE (1) DE60208160T2 (de)
DK (1) DK1364557T3 (de)
ES (1) ES2254660T3 (de)
FR (1) FR2821519B1 (de)
WO (1) WO2002069673A1 (de)

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CN106545269A (zh) * 2016-10-31 2017-03-29 常熟市久昇电器有限公司 一种具有防结霜功能的组合中空玻璃门

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CN206709470U (zh) * 2017-03-09 2017-12-05 博西华电器（江苏）有限公司 冰箱
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KR102449177B1 (ko) 2017-08-01 2022-09-29 엘지전자 주식회사 진공단열체 및 냉장고
KR102529116B1 (ko) 2017-08-01 2023-05-08 엘지전자 주식회사 진공단열체, 진공단열체의 제작방법, 및 그 진공단열체로 단열하는 냉온장고
KR102459784B1 (ko) 2017-08-01 2022-10-28 엘지전자 주식회사 진공단열체 및 냉장고
KR102449175B1 (ko) 2017-08-01 2022-09-29 엘지전자 주식회사 진공단열체 및 냉장고
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CN106545269A (zh) * 2016-10-31 2017-03-29 常熟市久昇电器有限公司 一种具有防结霜功能的组合中空玻璃门
CN106545269B (zh) * 2016-10-31 2018-09-07 常熟市久昇电器有限公司 一种具有防结霜功能的组合中空玻璃门

Also Published As

Publication number Publication date
ES2254660T3 (es) 2006-06-16
DE60208160T2 (de) 2006-08-24
ATE313931T1 (de) 2006-01-15
US20040080122A1 (en) 2004-04-29
FR2821519A1 (fr) 2002-08-30
DE60208160D1 (de) 2006-01-26
WO2002069673A1 (fr) 2002-09-06
EP1364557A1 (de) 2003-11-26
FR2821519B1 (fr) 2003-05-02
DK1364557T3 (da) 2006-04-10
US7246470B2 (en) 2007-07-24

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