EP1157246B1 - Paroi thermo-isolante - Google Patents

Paroi thermo-isolante Download PDF

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Publication number
EP1157246B1
EP1157246B1 EP00910665A EP00910665A EP1157246B1 EP 1157246 B1 EP1157246 B1 EP 1157246B1 EP 00910665 A EP00910665 A EP 00910665A EP 00910665 A EP00910665 A EP 00910665A EP 1157246 B1 EP1157246 B1 EP 1157246B1
Authority
EP
European Patent Office
Prior art keywords
insulating wall
profile member
thermal insulating
wall according
shaped profile
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
EP00910665A
Other languages
German (de)
English (en)
Other versions
EP1157246A1 (fr
Inventor
Ulrich Wolf
Wolfgang Kentner
Jürgen HIRATH
Stefan Holzer
Adolf Feinauer
Richard Horn
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 EP1157246A1 publication Critical patent/EP1157246A1/fr
Application granted granted Critical
Publication of EP1157246B1 publication Critical patent/EP1157246B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/085—Breaking strips
    • 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
    • F25D23/062—Walls defining a cabinet
    • 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
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the invention relates to a heat-insulating wall such as a refrigerator door, a refrigerator housing or the like, with a largely vacuum-tight outer lining, which together with a set at their free edges, made of poor thermal conductivity material vacuum-tight connection membrane and a vacuum-tight at their free edges with the connecting membrane connected interior trim encloses an evacuable, filled with evacuable support material cavity, wherein the connecting membrane is covered with a membrane formed from poor thermal conductivity material membrane cover.
  • the membrane cover protects by their damping effect, the shock-sensitive thin-walled membrane and at the same time prevents heat conduction between lying at different temperature levels wall surfaces of the wall, however, the functionally little intrinsically stable, almost porous nature of the foamed material is not or if at all then only bad for anchoring functional parts as a magnetic opposite pole or the like.
  • the only low-impact material under unfavorable force already with little effort to be damaged at least on the surface whereby not only the functionality of this foamed material is affected by the resulting facilitated water absorption but also the appearance of the cover is sensitive.
  • a surface treatment of the cover such as a painting, as the place of their attachment, because it is directly accessible to the sight of an end user, inevitably requires, only extremely bad possible and not sustainable.
  • the invention is therefore based on the object in a heat-insulating wall according to the preamble of claim 1 with simple constructive measures to avoid the disadvantages of the prior art.
  • the membrane cover is preceded by a these overlapping, fixed to the inner and / or outer panel protection profile, which is provided with a magnetic opposite pole or a magnetic seal.
  • the former can be specifically optimized for the tasks actually required, namely the protection of the membrane and the improvement of the heat insulation in the edge region of the heat-insulating wall, since the functions beyond that, namely the holding of a counter pole or a magnetic seal or even the generation of a visually appealing appearance of a further, for these purposes with regard to the material used and the shaping of particularly optimized component are imposed.
  • the membrane cover can be made from a material having sufficient resistance to water diffusion.
  • the membrane cover is additionally shielded, also by the impact loads resulting from unintentional force peaks, by the largely inherently rigid protective profile.
  • the protective profile in a cost-effective manner, in particular if this is produced by plastic injection molding, shapes, which the Membrane cover functionally could not be transmitted.
  • the division of the functions between the protective profile and the membrane cover still has the advantage that the latter can also be made relatively thin, since any occurring, for example, shocks or the like resulting pressure loads are intercepted by the inherently rigid protection profile.
  • the function distribution between the membrane cover and the protective profile for the latter offers a wide selection of materials.
  • the protection profile since it has only purely mechanical functions to take over, can be designed in a simple manner such that manufacturing tolerances of the heat-insulating wall in the wall area are easily overcome, thereby improving the manufacturability of the heat-insulating wall and thus their mass production significantly.
  • two components with different requirements profile can be avoided in the application of a single component unavoidable compromise at the expense of performance of all required functions in a simple way.
  • the protective profile is formed substantially in the manner of a U-profile with provided on its two legs holding means for releasable support on the inner and / or the outer panel.
  • the protective profile Due to the U-shaped shape of the protective profile, this already inherently has a certain inherent rigidity and dimensional stability due to its shape.
  • the protective profile can be particularly easy and quick to mount on the free edges of the outer and the inner lining due to the provided on his legs holding means.
  • the holding means for holding the U-profile are formed as retaining grooves, which are connectable to the free edges of the outer and inner lining.
  • the protective profile can be fixed non-positively frictionally to the free edges of the outer and inner lining.
  • the magnetic opposite pole or the magnetic seal on the U-profile is provided on its base connecting the legs with the magnetic opposite pole or magnetic seal.
  • the magnetic opposite pole is arranged on the leg side at the base of the U-profile.
  • the U-profile has fastening means for holding the magnetic seal at its base.
  • the trained in the manner of a U-profile protection profile is formed from two angle sections, of which each of the inner and / or outer panel is releasably fixable.
  • the angle profiles with their legs forming the base of the U-profile form a gap in which latching means provided on the magnetic seal can be detachably fastened.
  • a magnetic seal with respect to the position consisting of two angle profiles protection profile if provided according to a next advantageous embodiment of the subject invention, that each of the angle leg at its end facing the gap has a running in the direction of gap step-like recess, which together with the adjacent recess of the other profile section forms a receptacle for fixing the magnetic seal in the longitudinal direction of the U-profile.
  • the longitudinal sections are particularly advantageously and expediently formed if, according to a last preferred embodiment of the subject matter of the invention, the longitudinal sections of the U-section are designed to be continuous throughout the corner regions of a refrigerator door or a refrigeration device housing.
  • FIG. 1 is a simplified schematic representation of a household refrigeration appliance 10 is shown with a partially shown, in the closed state door 11, which is thermally insulated in a conventional manner by foaming and which is provided at its free edges circumferentially with a magnetic seal 12.
  • the door 11 is pivotally mounted on non-illustrated hinges on a vacuum-insulated refrigeration device housing 13, which receives a refrigeration equipment compartment 14 in itself.
  • the cold room 14 is lined by a stainless steel formed largely vacuum-tight inner lining 15, which is arranged at a distance also made of stainless steel sheet outer lining 16, at the door 11 facing edge portions retaining lugs 16.1 are provided.
  • the door 11 facing edge portions of the inner panel 15 and the outer panel 16 are connected to a vacuum-tight from a thin-walled, poor heat-conducting material shaped, formed in cross-section U-shaped membrane 17.
  • a thin-walled, poor heat-conducting material shaped, formed in cross-section U-shaped membrane 17 Through the membrane 17 is provided between the outer panel 16 and the inner panel 15 an evacuatable gap, which evacuatable Support material 18 such as open-cell polystyrene foam or the like for supporting the inner panel 15 and the outer panel 16 is filled.
  • the membrane 17 On the outer side facing away from the support material 18, the membrane 17 is covered to protect its thin-walled base by a molded from hard tough, durable elastic polyethylene foam membrane cover 19 which has a bulk density between 70 and 100 kg per m 3 sufficient resistance to moisture diffusion, whereby the Membrane 17 is protected from condensation.
  • the membrane cover 19 made of foamed material is provided to protect it in cross-section substantially U-profile-like protection profile 20, which according to a first embodiment (see Figure 2 and Figure 3) of two in cross-section substantially angularly shaped, constructed in mirror image Partial profiles composed of which a first partial profile 21 has an angle leg 22 and an angle leg 23 arranged perpendicular thereto, of which the latter is provided at its free end with a step-like recessed recess 24.
  • the angle leg 23 has on its underside opposite the recess 24 a retaining wall 25 which projects back from the free end of the angle leg 22, with a holding opening 25.1 which runs parallel to the angle leg 22.
  • Both the angle leg 22 and the angle leg 23 have at one of their free ends a step 27 and 28 which recesses stepwise relative to their outside, up to the beginning of which the retaining wall 25 extends.
  • the protective profile 20 which is substantially U-shaped in cross-section, has a further partial profile 29 in addition to the partial profile 21, which is constructed in mirror image to the partial profile 21 and which, like this, forms a first angle leg 30 and a second one substantially perpendicularly arranged angle leg 31 has, which is provided at its free end as the angle leg 23 with a step-like recessed recess 32.
  • a retaining wall 33 provided with a holding opening 33.1.
  • the retaining wall 33 which springs back with its free end relative to the free end of the angle leg 30, extends at a parallel distance from the angle leg 30, whereby a retaining groove 34 is formed between it and the retaining wall 33.
  • the angle legs 30 and 31 have at one of their free ends a section 35 or 36 which recesses stepwise relative to its outside, up to the beginning of which the retaining wall 33 and thus the retaining groove 34 extend.
  • plug-in elements 37 and 38 are formed on the partial profile 29 and 21, respectively.
  • each of the subdivided into longitudinal sections with the length L sub-profiles 21 and 29 are each provided with a plug receptacle 39 and 40, in which the plug-in elements 37 and 38 are inserted (as indicated by the arrow), whereby the individual Longitudinal sections of the sub-profiles 21 and 22 are joined together to form a continuous profile.
  • the composed of individual lengths 1 to n sub-profiles 21 and 29 are fixed by means of their retaining groove 26 and 34 at the free end portions of the inner lining 15 and the outer panel 16 and thereto by a positive connection between the retaining lugs 16.1 and the holding openings 25.1 and 33.1 attached.
  • the sub-profiles 21 and 29 form the U-profile-like protection profile 20.
  • a gap 41 is formed between the free ends of their angle legs 23 and 31, which one through the recess 24 and the recess 32 in the assembled state
  • Sub-profiles 21 and 29 formed receptacle is upstream.
  • the gap 41 serves to secure a magnetic seal 42, which is equipped for this purpose with a sealing foot 43, which has a leading insertion bevel 44 and subsequently arranged undercuts 45.
  • the sealing foot 43 is elastically connected to a hollow profile designed as a sealing head 46, which has a longitudinal direction of the magnetic seal 42 extending hollow chamber 47, in which a rod-shaped permanent magnet 48 is inserted.
  • a second embodiment of a protective profile 50 is shown, which is like the protective profile 20 in cross-section substantially U-shaped, but in contrast to this is not divided into sub-profiles.
  • the protective profile 50 has arranged with a parallel distance to its U-profile legs 51 retaining walls 52 with holding openings 52.1, wherein the free end of the retaining walls 52 springs back relative to the free end of the U-profile legs. Due to the parallel spacing of the retaining walls 52 of the U-profile legs 51 a retaining groove 53 is formed between each of these and the retaining walls 52.
  • the protective profile 50 produced, for example, made of plastic injection molding is provided at its base 54 with an insert, which is formed in the present case as a rod-shaped permanent magnet 55, which covers the outside of the base 54 opposite the free ends of the retaining walls 52 for its protection is.
  • the protective profile 50 is like the protective profile 20 divided into individual longitudinal sections 1 to n with the length L, of which the over the corner regions of the refrigerator housing 13 away extending longitudinal sections are formed integrally continuously and of which two adjacent to each other longitudinal sections I and II via a Art plug connection are connected to each other.
  • the longitudinal section I is provided at one of its free ends with a shoulder which recesses stepwise relative to its outer side, which serves as a plug element 56, while the longitudinal section II has a plug-in receptacle 57 arranged within the U-section space at its end section facing the longitudinal section I, in which the plug element 56 can be inserted in the direction of the arrow.
  • the longitudinal sections 1 to n of the protective profile 50 are to facilitate the assembly individually based on their retaining grooves 53 at the free edges of the inner lining 15 and the outer panel 16 can be fixed and with their Holding openings 52.1 latched to the retaining lugs 16.1, whereby the assembled to the protective profile 50 on the basis of the plug-in elements 56 receiving receptacles 57 longitudinal sections at the free end portions of the inner lining 15 and the outer lining 16 are supported.
  • the sharp-edged free edges of the inner panel 15 and the outer panel 16 and at the same time the shock-sensitive membrane cover 19 is covered protective.

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)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Building Environments (AREA)

Claims (11)

  1. Paroi thermo-isolante telle que porte d'appareil frigorifique, enceinte d'appareil frigorifique ou similaire, avec un revêtement extérieur essentiellement étanche au vide lequel enferme, ensemble avec une membrane de liaison étanche au vide, immobilisée sur ses bords libres et formée d'un matériau mauvais conducteur de chaleur et un revêtement intérieur relié au niveau de ses bords libres de manière étanche au vide à ladite membrane de liaison, un creux apte à produire du vide et rempli de matériau de support apte à produire du vide, ladite membrane de liaison étant recouverte par un cache membrane formé d'un matériau mauvais conducteur de chaleur, caractérisée en ce que devant ledit cache membrane (19) est placé un profilé de protection (20, 50) recouvrant celui-ci et immobilisé sur le revêtement intérieur (15) et/ou le revêtement extérieur (16), qui est pourvu d'un pôle opposé magnétique (55) ou d'un joint magnétique (42).
  2. Paroi thermo-isolante selon la revendication 1, caractérisée en ce que le profilé de protection (20, 50) est réalisé essentiellement à la manière d'un profilé en U pourvu de moyens de fixation prévus sur ses deux branches (22, 30 ; 51) pour la fixation amovible sur le revêtement intérieur (15) et/ou le revêtement extérieur (16).
  3. Paroi thermo-isolante selon la revendication 2, caractérisée en ce que les moyens de fixation pour la fixation du profilé en U sont réalisés sous forme de rainure de fixation (26, 34 ; 53) laquelle est apte à être assemblée avec les bords libres du revêtement intérieur (15) et du revêtement extérieur (16).
  4. Paroi thermo-isolante selon l'une des revendications 2 à 3, caractérisée en ce que le profilé en U est pourvu sur sa base (23, 31 ; 54) reliant les branches (22, 30 ; 51) dudit pôle opposé magnétique (55) ou dudit joint magnétique (42).
  5. Paroi thermo-isolante selon la revendication 2 ou 4, caractérisée en ce que ledit pôle opposé magnétique (55) est disposé du côté des branches sur la base (54) du profilé en U.
  6. Paroi thermo-isolante selon l'une des revendications 2 à 4, caractérisée en ce que le profilé en U comprend sur sa base (23, 31) des moyens de fixation pour maintenir en place le joint magnétique (42).
  7. Paroi thermo-isolante selon l'une des revendications 1 à 6, caractérisée en ce que le profilé de protection (20) réalisé à la manière d'un profilé en U est formé de deux profilés en équerre (21, 29) dont chacun peut être immobilisé sur le revêtement intérieur (15) et/ou le revêtement extérieur (16).
  8. Paroi thermo-isolante selon la revendication 7, caractérisée en ce que les profilés en équerre (21, 29) avec leurs branches (22, 30) formant la base (23, 31) du profilé en U forment un espace (41) servant de moyen de fixation, dans lequel peuvent se fixer de manière amovible des moyens d'encliquetage (44, 45) prévus sur le joint magnétique (42).
  9. Paroi thermo-isolante selon la revendication 8, caractérisée en ce que chaque branche (22, 30) comporte à son extrémité tournée vers l'espace (41) un creux (24, 32) à gradin s'étendant dans le sens de l'espace, qui forme avec le creux contigu opposé (24, 32) de l'autre branche (21, 29) un logement pour la fixation du joint magnétique (42) dans le sens longitudinal du profilé en U.
  10. Paroi thermo-isolante selon l'une des revendications 2 à 9, caractérisée en ce que le profilé en U est divisé en différents tronçons longitudinaux (1 à n), lesquels peuvent être assemblés à la manière d'une connexion enfichable.
  11. Paroi thermo-isolante selon la revendication 10, caractérisée en ce que les tronçons longitudinaux (1 à n) du profilé en U sont réalisés au-delà des zones d'angle en une pièce de manière continue.
EP00910665A 1999-02-19 2000-02-10 Paroi thermo-isolante Expired - Lifetime EP1157246B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19907182 1999-02-19
DE19907182A DE19907182A1 (de) 1999-02-19 1999-02-19 Wärmeisolierende Wand
PCT/EP2000/001079 WO2000049352A1 (fr) 1999-02-19 2000-02-10 Paroi thermo-isolante

Publications (2)

Publication Number Publication Date
EP1157246A1 EP1157246A1 (fr) 2001-11-28
EP1157246B1 true EP1157246B1 (fr) 2006-06-14

Family

ID=7898178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00910665A Expired - Lifetime EP1157246B1 (fr) 1999-02-19 2000-02-10 Paroi thermo-isolante

Country Status (8)

Country Link
US (1) US6485122B2 (fr)
EP (1) EP1157246B1 (fr)
JP (1) JP2002537539A (fr)
AT (1) ATE330192T1 (fr)
DE (2) DE19907182A1 (fr)
ES (1) ES2265915T3 (fr)
TR (1) TR200101426T2 (fr)
WO (1) WO2000049352A1 (fr)

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JP2002537539A (ja) 2002-11-05
DE50012984D1 (de) 2006-07-27
ES2265915T3 (es) 2007-03-01
EP1157246A1 (fr) 2001-11-28
WO2000049352A1 (fr) 2000-08-24
DE19907182A1 (de) 2000-08-24
ATE330192T1 (de) 2006-07-15
US20020041134A1 (en) 2002-04-11
US6485122B2 (en) 2002-11-26
TR200101426T2 (tr) 2001-12-21

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