EP1001233A2 - Caisse isolée thermiquement - Google Patents

Caisse isolée thermiquement Download PDF

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Publication number
EP1001233A2
EP1001233A2 EP99120955A EP99120955A EP1001233A2 EP 1001233 A2 EP1001233 A2 EP 1001233A2 EP 99120955 A EP99120955 A EP 99120955A EP 99120955 A EP99120955 A EP 99120955A EP 1001233 A2 EP1001233 A2 EP 1001233A2
Authority
EP
European Patent Office
Prior art keywords
heat
vacuum insulation
insulating housing
housing according
materials
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
EP99120955A
Other languages
German (de)
English (en)
Other versions
EP1001233B1 (fr
EP1001233A3 (fr
Inventor
Udo Dr. Wenning
Michael Dr. Neumann
Hans-Frieder Eberhardt
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1001233A2 publication Critical patent/EP1001233A2/fr
Publication of EP1001233A3 publication Critical patent/EP1001233A3/fr
Application granted granted Critical
Publication of EP1001233B1 publication Critical patent/EP1001233B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/06Walls
    • F25D23/062Walls defining a cabinet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00Insulation
    • F25D2201/10Insulation with respect to heat
    • F25D2201/14Insulation with respect to heat using subatmospheric pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/08Refrigerator tables

Definitions

  • the invention relates to a heat-insulating housing for storing refrigerated goods a heat-insulating door and vacuum insulation panels, which are wrapped in a diffusion protection film have sealed support body and which at least largely in a thermal insulation material of the housing produced by foaming and / or the door are embedded.
  • vacuum insulation panels In refrigeration devices such as refrigerators, freezers or the like is one to improve their thermal insulation properties and thus to Lowering their energy consumption has shifted to that by foaming produced conventional thermal insulation material so-called vacuum insulation panels bring in.
  • These include a diffusion protection film evacuable materials serving as support bodies, such as for example Molded bodies pressed aerogels, silica or glass fibers, or from open cells organic polymer foams such as polyurethane foam, polyisocyanurate foam or polystyrene foam formed plate body.
  • a diffusion protection film evacuable materials serving as support bodies, such as for example Molded bodies pressed aerogels, silica or glass fibers, or from open cells organic polymer foams such as polyurethane foam, polyisocyanurate foam or polystyrene foam formed plate body.
  • the invention has for its object to propose measures by which for housings according to the preamble of claim 1 using of heat-insulating material that cures with an exothermic reaction vacuum insulation panels with open-cell organic polymer foams formed support bodies while maintaining their heat insulating properties is possible.
  • the measure according to the invention opens up the possibility of not only vacuum insulation panels to be able to use their support materials due to their Material properties per se are suitable for the exothermic reaction to accept the heat released during the foaming process undamaged, but materials for support bodies can now also be considered, which damage itself due to the heat released during the foaming process would, however, with regard to their own weight, their costs and also with regard to Their low thermal conductivity has clear advantages over the former own and therefore especially for the large-scale production of housings Household refrigerators are suitable. Vacuum insulation panels can now be used with support bodies made of open-celled organic polymer foams, especially polystyrene foams are used.
  • Sealing is the vacuum-tight sealing of the diffusion protection film after the evacuation process of the inserted in the hood-like diffusion protection film Support body and the space delimited by the diffusion protection film understand.
  • the agents have a heat absorption capacity, which the heat generated when the thermal insulation material hardens at least as far as possible and thus to keep them away from the vacuum insulation panels can
  • the manufacturing technology is particularly low Sufficient protection of the vacuum insulation panels, especially for their supporting bodies, against those arising during the foaming process Heat provided.
  • the means are designed as non-metallic, board-like materials, the specific heat capacity c p is in the range between 1 and 2.5 kJ / kg K and the thermal conductivity ⁇ between 0.04 and 0.40 W / (m ⁇ K).
  • plate-like materials are material plates with a thin material thickness to understand.
  • the vacuum insulation panels or their supporting bodies are particularly simple but still protect effectively because the protective measure the board-like design is particularly simple and precisely positioned on the Foaming heat insulation material facing surfaces of the vacuum insulation panels can be positioned and at the same time a high insulation effect a small weight gain caused by the protective measures, results.
  • the agents are designed as sheet-like metallic materials , whose specific heat capacity c p is 0.4 to 1.0 kJ (kgK) and whose thermal conductivity ⁇ is between 0.15 and 220 W / (m ⁇ K).
  • the board-like materials on the vacuum insulation panel with at least largely preventing the heat conduction are fixed.
  • Solid state boards are particularly inexpensive to manufacture protected vacuum insulation panels, if according to an alternative embodiment the object of the invention is provided that the board-like Materials arranged on the support body and sealed in the diffusion protection film are.
  • the support body from is particularly safe and quick and inexpensive to protect due to the exothermic reaction of the thermal insulation material released heat if according to another alternative embodiment the object of the invention is provided that the means as a film are formed, which the support body at least on its Areas covered with heat insulation material and covered with the film covered support body is sealed in the diffusion protection film.
  • the vacuum insulation panels arranged on all sides within the thermal insulation material, if according to a further preferred embodiment the object of the invention is provided that the board-like materials designed in the manner of a protective hood and over the vacuum insulation panel are put up.
  • non-metallic board-like materials are particularly light acted upon if according to an alternative embodiment of the object the invention provides that the non-metallic board-like Materials are formed from foamable material, which in the foamed Condition has a closed-pore structure.
  • the vacuum insulation panels at least on their the thermal insulation material facing surfaces with a coating of frozen Isocyanate are equipped.
  • Such a measure has the effect that per se against the exothermic heat of reaction foaming sensitive support body materials a larger Amount of heat by increasing the temperature difference between the vacuum insulation panels and can absorb the waste heat from the foaming, without this waste heat causing changes in state or destruction could cause the support body materials.
  • the rapid manufacturing process of the heat-insulating housing Intermediate manufacturing step, namely the attachment of the metallic or non-metallic circuit board-like heat protection measures are not required.
  • the vacuum insulation panels are particularly easy to handle in the production process. if after a next alternative embodiment of the object the invention provides that the vacuum insulation panel of at least a protective cover is surrounded, which at least partially over air cushions is spaced from the diffusion protection film surrounding the support body.
  • the heat-insulating housings for a household refrigerator can be particularly reliable produce if according to a last preferred embodiment the object of the invention is provided that a household refrigerator such a refrigerator and / or freezer with a heat-insulating housing after one of claims 1 to 11 is equipped.
  • FIG. 1 and 2 is a simplified schematic representation for use heat-insulating housing suitable for a household refrigerator 10, in which a cooling space 11 is arranged. This is from one inner cladding 12 formed by chipless shaping of a plastic board lined, which on its back, facing away from the cold room 11 Outside with a thermally conductive contact with the back Evaporator 13 is provided. At a distance from the inner lining 12, the heat insulating Housing 10 on an outer panel 14, which as usual (however not shown in detail here) composed of several sections is, of which the portion forming its rear wall 15 is made of an aluminum-clad Cardboard, the 16 sidewalls formed from non-cutting formed sheet steel blanks and the 18 forming their ceiling 17 or their bottom Sections are made of plastic.
  • Thermal insulation material 19 such as polyurethane foam is provided, which by its adhesive effect the inner lining 12 and the outer lining 14 connects to a dimensionally stable structure and which under an exothermic Reaction foams and hardens.
  • the heat insulating housing 12 is on its side opposite the rear wall 15 with a pivotable stored heat-insulating door 20, through which the cold room 11 accessible is.
  • the door 20 has an outer panel 21 formed from sheet steel and a spaced-apart, non-cutting plastic inner lining 22, which with the outer panel 21 through the heat insulation material 19 into one dimensionally stable structure is connected.
  • the vacuum insulation panels 23, which is at least approximately the height and width of the door 20 and the side walls of the housing 10 are arranged, for example, comprise an open-cell one organic polymer foam, e.g. Polystyrene foam, manufactured cuboid support core 24, which in a diffusion-tight, for example with Aluminum-coated protective bag 25 is inserted, which after an evacuation is sealed vacuum-tight.
  • an open-cell one organic polymer foam e.g. Polystyrene foam, manufactured cuboid support core 24, which in a diffusion-tight, for example with Aluminum-coated protective bag 25 is inserted, which after an evacuation is sealed vacuum-tight.
  • the large area opposite the protective body 26 The outside of the protective bag 25 is used to attach the vacuum insulation panel 23 on the side walls 16 and on the outer panel 21, respectively the vacuum insulation panel 23 at least largely in the attached state covers the surface of the side walls 16 or the outer lining 21.
  • a vacuum insulation panel 27 similar to the vacuum insulation panel 23 is provided on the rear wall of the housing 10 containing the evaporator 13.
  • the vacuum insulation panel 27, like the vacuum insulation panel 23, has one Support core 28 made of open-cell polystyrene foam, which on all sides surrounded by a protective bag 29 and this after the evacuation is enclosed in a vacuum-tight manner.
  • Deviating from the vacuum insulation panel 23 indicates this essentially with regard to its contour to the contour of the rear wall of the housing 10 adapted vacuum insulation panel 27 on its two large surfaces Outside each cover the surface of the outside Protective body 30, which, like the protective body 26, is used by the exothermic reaction when foaming the heat insulation material 19 liberated To isolate heat from the vacuum insulation panel 27 and which on the outside using an adhesive that prevents heat conduction the protective bag 29 is fixed.
  • the vacuum insulation panel 27 is not with one of its large outer sides on the inner panel 12 or on the Outer cladding 14 fixed, but approximately in the middle between the two positioned, and thus embedded on all sides in the heat insulation material 19.
  • the vacuum insulation panels 23 and 27 on their small-area outer sides also with the heat of the exothermic reaction of the foaming process Protective bodies should be provided. This is useful in the case of the vacuum insulation panel 26 a, for example, by non-cutting shaping of a plastic board generated pocket-like protective body, the receiving space for Housing the vacuum insulation panel 27 is provided and its open Pocket side either through a separate protective body or through the The protrusion of the free edges of the pocket-like protective body is to be closed.

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)
  • Refrigerator Housings (AREA)
  • Packages (AREA)
  • Table Devices Or Equipment (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
EP99120955A 1998-11-10 1999-11-03 Caisse isolée thermiquement Expired - Lifetime EP1001233B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19851838A DE19851838A1 (de) 1998-11-10 1998-11-10 Wärmeisolierendes Gehäuse
DE19851838 1998-11-10

Publications (3)

Publication Number Publication Date
EP1001233A2 true EP1001233A2 (fr) 2000-05-17
EP1001233A3 EP1001233A3 (fr) 2000-09-13
EP1001233B1 EP1001233B1 (fr) 2003-08-06

Family

ID=7887325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99120955A Expired - Lifetime EP1001233B1 (fr) 1998-11-10 1999-11-03 Caisse isolée thermiquement

Country Status (5)

Country Link
EP (1) EP1001233B1 (fr)
AT (1) ATE246788T1 (fr)
DE (2) DE19851838A1 (fr)
DK (1) DK1001233T3 (fr)
ES (1) ES2205671T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2835216A1 (fr) * 2002-01-28 2003-08-01 Usinor Structure composite a parement de rigidite elevee, de tres faible epaisseur et integrant un super isolant sous vide
EP1400770A4 (fr) * 2001-06-04 2006-04-26 Matsushita Refrigeration Corps de caisson isole, refrigerateur comprenant le corps de caisson et procede de recyclage des materiaux utilises pour le corps de caisson isole

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20216474U1 (de) 2002-09-26 2003-04-17 Hasenkamp Internationale Transporte GmbH, 51149 Köln Transportkiste zum Transport hochwertiger, hochempfindlicher Objekte
DE202009001784U1 (de) * 2009-02-12 2009-04-16 Gebhardt Transport- Und Lagersysteme Gmbh Kühltransportbehälter
DE102011075388A1 (de) * 2011-05-06 2012-11-08 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät, insbesondere Haushaltskältegerät
CN112722591A (zh) 2015-11-25 2021-04-30 野醍冷却器有限责任公司 具有真空绝热面板的绝热容器和方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5082335A (en) * 1989-12-18 1992-01-21 Whirlpool Corporation Vacuum insulation system for insulating refrigeration cabinets
JPH06194030A (ja) * 1992-12-25 1994-07-15 Matsushita Refrig Co Ltd 断熱箱体
DE19648305A1 (de) * 1996-11-21 1998-05-28 Bosch Siemens Hausgeraete Wärmeisolierende Wandung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1400770A4 (fr) * 2001-06-04 2006-04-26 Matsushita Refrigeration Corps de caisson isole, refrigerateur comprenant le corps de caisson et procede de recyclage des materiaux utilises pour le corps de caisson isole
US7316125B2 (en) 2001-06-04 2008-01-08 Matsushita Refrigeration Company Insulated box body, refrigerator having the box body, and method of recycling materials for insulated box body
FR2835216A1 (fr) * 2002-01-28 2003-08-01 Usinor Structure composite a parement de rigidite elevee, de tres faible epaisseur et integrant un super isolant sous vide
EP1333222A3 (fr) * 2002-01-28 2004-01-21 Usinor Procédé de fabrication d'un panneau à structure composite à parement de rigidité élevée, de très faible épaisseur et intégrant un super isolant sous vide

Also Published As

Publication number Publication date
ES2205671T3 (es) 2004-05-01
ATE246788T1 (de) 2003-08-15
DE59906490D1 (de) 2003-09-11
DK1001233T3 (da) 2003-11-24
DE19851838A1 (de) 2000-05-11
EP1001233B1 (fr) 2003-08-06
EP1001233A3 (fr) 2000-09-13

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