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WO2013076002A2 - Caisson d'isolation thermique pour appareil de froid - Google Patents

Caisson d'isolation thermique pour appareil de froid Download PDF

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Publication number
WO2013076002A2
WO2013076002A2 PCT/EP2012/072742 EP2012072742W WO2013076002A2 WO 2013076002 A2 WO2013076002 A2 WO 2013076002A2 EP 2012072742 W EP2012072742 W EP 2012072742W WO 2013076002 A2 WO2013076002 A2 WO 2013076002A2
Authority
WO
WIPO (PCT)
Prior art keywords
wall
insulation panel
vacuum insulation
heat insulation
vacuum
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.)
Ceased
Application number
PCT/EP2012/072742
Other languages
German (de)
English (en)
Other versions
WO2013076002A3 (fr
Inventor
Marco Giacchi
Matthias Hopf
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
Priority to EP12790849.9A priority Critical patent/EP2783174A2/fr
Priority to CN201280057829.4A priority patent/CN103975208B/zh
Publication of WO2013076002A2 publication Critical patent/WO2013076002A2/fr
Publication of WO2013076002A3 publication Critical patent/WO2013076002A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F25D23/06—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to a heat insulation housing for a refrigeration appliance, in particular domestic refrigeration appliance, according to the preamble of patent claim 1 and a vacuum insulation panel for such a heat insulating housing according to claim 10.
  • a vacuum insulation panel can be introduced before the foaming process in the still empty wall space. Its inherent rigidity is usually insufficient to withstand the foaming process without changing the shape and position. For this reason, the vacuum insulation panel may be supported via holding elements on the inner wall or the outer wall of the housing body.
  • such a heat insulation housing in whose device body a vacuum insulation panel is used. This is positioned in the correct position with the help of spacers.
  • the spacers may be formed on the inner wall or the outer wall of the housing body.
  • the spacers are provided in large numbers distributed over the entire side wall surface.
  • they are mounting technology consuming mounted on the inner wall and / or the outer wall, for example by screwing or gluing.
  • the spacers can also be formed directly as bulges in the inner wall or the outer wall. However, this greatly affects the appearance of the case body.
  • the object of the invention is to provide a heat insulating housing in which the vacuum insulation panel is arranged in a simple manner dimensionally stable and in the correct position in the wall space.
  • the invention relates to a heat insulation housing with a, a cooling space bounding inner wall, an outer wall and a wall space, which is filled with a heat insulating material and in which a vacuum insulation panel is arranged.
  • the invention of the fact that a only one-sided support of the vacuum insulation panel between a panel side surface and the inner wall or the outer wall does not increase the inherent stiffness of the vacuum insulation panel to such an extent that during the foaming process, which takes place under pressure and heat, distortions or Deformations of the vacuum insulation panel can not be sufficiently reliably avoided.
  • the vacuum insulation panel is not only fixed on one side to the inner / outer wall, but the vacuum insulation panel is enclosed by means of retaining clips closed ring.
  • the vacuum insulation panel is also attached via the headband on the inner and / or outer wall.
  • both side surfaces of the vacuum insulation panel are enclosed like a cage, whereby shape and / or position changes of the vacuum insulation panel during foaming can be better avoided. Accordingly, a bulging or a sign of these deformations on the outer wall can be prevented, which can usually be made of a very thin sheet metal material.
  • the heat insulation housing can be used in a refrigeration device.
  • a refrigeration device is understood in particular to mean a domestic refrigeration appliance, that is to say a refrigeration appliance which is used for household management in households or possibly also in the gastronomy sector, and in particular for this purpose foods and / or drinks are used in store at normal temperatures at certain temperatures, such as a refrigerator, a freezer, a fridge freezer, a freezer or a wine storage cabinet.
  • the headband in the installation position in a horizontal plane surround the vacuum insulation panel.
  • the vacuum insulation panel can be arranged between two retaining clips.
  • the vacuum insulation panel can be clamped under the action of clamping forces between the two brackets, whereby the dimensional stability of the vacuum insulation panel is increased. It is favorable in terms of installation, if the headband and the vacuum insulation panel can already be assembled separately outside the wall gap to form a pre-assembly unit.
  • the pre-assembly unit consisting of the retaining clips and the vacuum insulation panel is then inserted into the wall gap in a further production step before the foaming process.
  • the headband can be made adjustable to each other.
  • the vacuum insulation panel can be easily inserted between the two brackets. Subsequently, the headband can be brought together to form a closed position in which the vacuum insulation panel is surrounded by the retaining clips annular. Additional spring elements may be provided between the retaining clips and the vacuum insulation panel in order to act elastically on the clamped vacuum insulation panel with the above-mentioned tension forces.
  • the two headband may be materially and / or integrally connected to each other via a film hinge.
  • the film hinge forms a folding axis, around which the two brackets can be folded.
  • the headband can be connected at their ends remote from the hinge, for example via any connector.
  • the two retaining clips can also be realized as separate components, which can likewise be joined together, for example via plug connections.
  • Such separate headband may preferably be designed as a common part in order to reduce the production cost.
  • the two brackets cage the vacuum insulation panel, whereby its inherent rigidity is increased. As a result, the adverse changes in shape and position during the foaming process can be prevented.
  • the following aspect of the invention which can be seen as an alternative and / or in addition to the features mentioned above, is based on the finding that the spacers known from the prior art provide a force path during the foaming process.
  • Deformation forces can be transmitted into the outer wall during the foaming process by bridging the free gap between the vacuum insulation panel and the outer wall, which can disadvantageously deform during the foaming process.
  • such spacers between vacuum insulation panel and the outer wall / inner wall completely omitted, whereby a free gap is maintained.
  • the vacuum insulation panel is attached to the angled edge strips of the outer wall / inner wall.
  • the edge strips are connected in the assembly position of the housing with other, adjacent wall parts, such as floor, ceiling or rear wall.
  • the vacuum insulation panel with the interposition of the above-mentioned headband is supported on the edge strips of the outer wall.
  • Show it: 1 is a perspective view of a heat insulating housing of a
  • Refrigeration appliance with omitted appliance door
  • Fig. 2 is an enlarged view of a sectional view taken along the
  • Figs. 3 and 4 are views showing the assembly of the vacuum insulation panel in the
  • FIG. 5 shows a perspective partial view two mutually separate headband
  • 6 to 8 are schematic diagrams illustrating the installation of a vacuum insulation panel according to the second embodiment.
  • the invention is described below in application to a housing 1 of a freezer or refrigerator, which is shown in Fig. 1 in a perspective view without the appliance door.
  • the housing 1 has as inner wall part 3 a plastic inner container and as outer wall parts in each case side walls 5 made of a stainless steel sheet with low material thickness and a top wall 7 made of cardboard or plastic.
  • the bottom wall, not shown, and the rear wall may also be made of cardboard or plastic.
  • the wall gap 9 (FIG. 2) formed between the inner container 3 and the outer wall parts 5, 7 is filled with a heat insulation foam 11.
  • the heat insulation foam 1 is introduced in the production of the housing 1 in a foaming step in the still empty space 9 of the housing 1.
  • a liquid starting component of the planteolierschaumes 1 1 under greater pressure and under heat, not shown foaming valve in the still empty wall space 9 over filled.
  • a large-area heat-insulating panel 13 (shown by broken lines in FIG. 1) is arranged in the wall gap 9 in accordance with the figures in the area of the left and right side walls 5.
  • the vacuum insulation panel 13 is placed in the still empty wall gap 9 before carrying out the foaming process.
  • a consisting of brackets 15, 16 holding member 19 is provided for positionally accurate and positionally secure arrangement in the wall gap 9 .
  • the two brackets 15, 16 are shown in FIGS. 1 to 5 as separate from each other components which can be joined together at their ends via a locking connection 21 described later, to form an annularly closed gap 23 ( Figures 2 and 3), in which the vacuum insulation panel 13 is arranged.
  • the latching partners of the respective latching connection 21 between the two retaining clips 15, 16 consist of a latching channel 25, in which a latching element 27 can be inserted. At the opposite contact surfaces between the inner wall of the latching channel 25 and the latching element 27 corresponding sawtooth profiles are formed. Depending on their pitches, therefore, the two brackets 15, 16 for a fine adjustment vacuum insulation panels 13 record different gap width.
  • the two brackets 15, 16 are designed as identical parts.
  • Each of the identical parts has a latching channel 25 at one end and a latching element 27 at the opposite end.
  • the two identical parts 15, 16 are arranged on the envelope rotated by 180 ° to each other.
  • the ends of the headband 15, 16 are each extended on both sides with locking pin 29.
  • Fig. 2 of the four locking lugs 29 shown are the two locking pin 29 of the outer wall 5 facing retaining bracket 15 is engaged in associated recesses 31 of the two lateral edge strips 33 of the outer wall 5.
  • the outer wall 5 is extended at respectively opposite housing edges 35 with the two edge strips 33, which are angled at 90 °.
  • the edge strips 33 are double-walled with a U-shaped inwardly angled inner leg 37 and an outer leg 38 constructed.
  • the front edge strip 33 in FIG. 2 has a step-shaped connection geometry on the outer leg 38, in which an inner edge edge strip 39 is glued flush with the surface.
  • the outer leg 38 of the rear edge strip 33 in FIG. 2, on the other hand, is designed without such a step-shaped connection profile and glued to the rear wall 6.
  • the above-mentioned recesses 31 are formed.
  • the two Bracket 15, 16 first assembled outside the wall gap 9 with the vacuum insulation panel 13 to a pre-assembly unit V.
  • the two brackets 15, 16 are clamped together via the snap-in joints 21 so that they exert a certain biasing force F v on the bamboogeklemmte vacuum insulation panel 13.
  • the vacuum insulation panel 13 is thus clamped between the two brackets 15, 16, whereby the inherent rigidity of the pre-assembly V is advantageously increased.
  • the preassembling unit V is mounted between the two edge strips 33 of the outer wall 5 in such a way that the edge strips 33 are first slightly elastically widened by the two latching pins 29 of the outer wall 5 facing holding bracket 15 under construction of a restoring force.
  • the restoring forces can be at least partially reduced again.
  • the pre-assembly unit V is thus arranged at a distance from the outer wall 5 via a free gap s (FIG. 4).
  • the outer wall 5 with the vacuum insulation panel 13 fixed therein is assembled with the inner container 3 to close the mounting space 9 in a foam-tight manner.
  • the starting component of the planteolierschaumes 1 1 is filled into the still empty wall space 9 with great pressure and great heat.
  • the vacuum insulation panel 13 clamped between the retaining clips 15, 16 is subjected to deformation forces which can lead to a change in shape and / or position of the vacuum insulation panel 13.
  • the resulting force path K is indicated in FIG. 4 with arrows.
  • the gap s between the pre-assembly unit V and the outer wall 5 is bridged by the force path K according to the invention force-free. Even if the vacuum insulation panel 13 deforms during foaming, therefore, the outer wall 5 is not correspondingly bulged.
  • the two brackets 15, 16 are still shown separated from each other in a perspective partial view. Accordingly, the two brackets 15, 16 on the vacuum insulation panel 13 side facing each transverse ribs 41 which are in the closed state of the headband 15, 16 in line contact with the vacuum insulation panel 13 and thereby provide increased pressurization.
  • the retaining clips 15, 16 are stiffened with an additional truss structure 43 in order to be able to exert the above-mentioned pretensioning force F v on the vacuum insulation panel 13.
  • a second embodiment is shown, in which, in contrast to the preceding figures, the two brackets 15, 16 are not separate components, but rather are of the same material and integrally connected via a film hinge 45.
  • the film hinge 45 defines a hinged axis about which the two brackets 15, 16 are mutually adjustable. 6 the two brackets 15, 16 are shown in their open position, in which on a two brackets 15, 16, the vacuum insulation panel 13 can be placed. On the side of the retaining clips 15, 16 which can be brought into contact with the vacuum insulation panel 13, respective spring elements 47 are arranged with which a predefined prestressing force can be exerted on the vacuum insulation panel 13.
  • each cooperating connector partners can be formed, which secure the headband 15, 16 in the closed position.
  • the two retaining brackets 15, 16 surround the vacuum insulation panel 13 in a closed annular manner.
  • the pre-assembly unit V thus formed can be latched into the two opposite edge strips 33 of the outer wall 5 with the latching pins 29 protruding on the outside from the retaining clips 15, 16. Subsequently, the outer wall 5 can be supplied together with the pre-assembly unit V latched thereto to the foaming system.

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)
  • Thermal Insulation (AREA)

Abstract

L'invention concerne un caisson d'isolation thermique pour un appareil de froid, notamment un appareil de froid ménager, comportant une paroi intérieure (3) délimitant un espace de réfrigération, une paroi extérieure (5), et un espace inter-paroi (9) rempli d'un matériau d'isolation thermique (11) et logeant un panneau d'isolation sous vide (13) qui peut être positionné dans l'espace inter-paroi (9) au moyen d'un élément de fixation (19). Selon l'invention, l'élément de fixation (19) comporte des étriers de retenue (15,16) qui entourent de manière annulaire le panneau d'isolation sous vide (13) et au moyen desquels le panneau d'isolation sous vide (13) peut être fixé à la paroi intérieure et/ou extérieure (3,5).
PCT/EP2012/072742 2011-11-24 2012-11-15 Caisson d'isolation thermique pour appareil de froid Ceased WO2013076002A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12790849.9A EP2783174A2 (fr) 2011-11-24 2012-11-15 Caisson d'isolation thermique pour appareil de froid
CN201280057829.4A CN103975208B (zh) 2011-11-24 2012-11-15 用于制冷器具的隔热壳体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011087036.9 2011-11-24
DE102011087036A DE102011087036A1 (de) 2011-11-24 2011-11-24 Wärmeisolationsgehäuse für ein Kältegerät

Publications (2)

Publication Number Publication Date
WO2013076002A2 true WO2013076002A2 (fr) 2013-05-30
WO2013076002A3 WO2013076002A3 (fr) 2013-08-22

Family

ID=47222061

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/072742 Ceased WO2013076002A2 (fr) 2011-11-24 2012-11-15 Caisson d'isolation thermique pour appareil de froid

Country Status (4)

Country Link
EP (1) EP2783174A2 (fr)
CN (1) CN103975208B (fr)
DE (1) DE102011087036A1 (fr)
WO (1) WO2013076002A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105431696A (zh) * 2013-07-17 2016-03-23 Bsh家用电器有限公司 具有至少一个光源和用于搁架的接收器件的家用制冷器具

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9389013B2 (en) * 2014-08-15 2016-07-12 Anthony International Thermal frame for a refrigerated enclosure
US9532659B2 (en) 2015-05-06 2017-01-03 Anthony, Inc. Sliding door assembly for a refrigerated display case
CN105180569B (zh) * 2015-06-10 2018-06-29 滁州银兴新材料科技有限公司 一种真空绝热板的装配方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060079A1 (de) 2009-11-19 2011-05-26 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729863A (en) * 1952-12-11 1956-01-10 Gen Electric Insulated cabinet
JPS60126570A (ja) * 1983-12-08 1985-07-06 松下冷機株式会社 断熱箱体
JPS60101690U (ja) * 1983-12-16 1985-07-11 株式会社日立製作所 真空断熱材配設構造
WO2003089859A1 (fr) * 2002-04-22 2003-10-30 Matsushita Refrigeration Company Refrigerateur
JP5193980B2 (ja) * 2009-09-28 2013-05-08 日立アプライアンス株式会社 冷蔵庫

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060079A1 (de) 2009-11-19 2011-05-26 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105431696A (zh) * 2013-07-17 2016-03-23 Bsh家用电器有限公司 具有至少一个光源和用于搁架的接收器件的家用制冷器具
US9869507B2 (en) 2013-07-17 2018-01-16 Bsh Hausgeraete Gmbh Domestic cooling appliance having at least one light source and a receiving means for a shelf

Also Published As

Publication number Publication date
CN103975208A (zh) 2014-08-06
WO2013076002A3 (fr) 2013-08-22
CN103975208B (zh) 2016-08-24
EP2783174A2 (fr) 2014-10-01
DE102011087036A1 (de) 2013-05-29

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