WO2012007282A2 - Éléments d'enveloppe pour un appareil de froid - Google Patents

Éléments d'enveloppe pour un appareil de froid Download PDF

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Publication number
WO2012007282A2
WO2012007282A2 PCT/EP2011/060976 EP2011060976W WO2012007282A2 WO 2012007282 A2 WO2012007282 A2 WO 2012007282A2 EP 2011060976 W EP2011060976 W EP 2011060976W WO 2012007282 A2 WO2012007282 A2 WO 2012007282A2
Authority
WO
WIPO (PCT)
Prior art keywords
evaporator
housing component
reinforcing layer
vacuum insulation
component according
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/EP2011/060976
Other languages
German (de)
English (en)
Other versions
WO2012007282A3 (fr
Inventor
Peter Nalbach
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 WO2012007282A2 publication Critical patent/WO2012007282A2/fr
Publication of WO2012007282A3 publication Critical patent/WO2012007282A3/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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • 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
    • 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
    • F25D23/063—Walls defining a cabinet formed by an assembly of panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • 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
    • 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
    • F25D2400/40—Refrigerating devices characterised by electrical wiring
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials

Definitions

  • the present invention relates to a housing component for a refrigeration appliance, in particular for a household refrigerator, with at least one with a
  • Housing component is known from DE 103 42 859 A1.
  • Vacuum insulation panels are generally constructed of a highly diffusion-tight plastic film and a porous, pourable filling material, for example zeolite, which is airtight coated by the film.
  • zeolite a porous, pourable filling material
  • Vacuum insulation panel a solid form. Because the edge lengths of such
  • Insulation panels are generally much larger than its thickness, the mechanical strength of the panel is low. Without proper protection, the wrapping film can be easily damaged resulting in the loss of both the insulating effect and the rigidity of the vacuum insulation panel.
  • DE 103 42 859 A1 it has been proposed to improve the robustness of the vacuum insulation panels by forming with a reinforcing layer of compact polyurethane.
  • the internal structure of the vacuum insulation panels means that they can only be manufactured in simple shapes without appreciable concavities and are usually in the form of simple cuboid or flat parallelepiped plates. This limitation and the fact that post-processing of the panels to accommodate a desired shape is virtually impossible have hitherto prevented the widespread use of vacuum insulation panels in the field of refrigeration equipment despite their excellent thermal properties.
  • the housings of the currently available on the market refrigerators have a body with a thermoformed plastic inner wall, one of different materials, usually in several parts, assembled outer wall and an insulating layer
  • Polyurethane foam which is injected into the cavity between the inner and outer walls and adapts when foaming the contour of the inner wall.
  • an evaporator is on the inner wall before foaming appropriate.
  • the expanding polyurethane foam adapts to the contours of the evaporator on the outside thereof and provides for effective insulation, whereas the inside of the evaporator is in close thermal contact with a storage chamber of the refrigeration device across the inner wall.
  • the object of the invention is therefore to provide an efficient technique for mounting an evaporator on a housing component for a refrigeration device, which at least one
  • a refrigeration device Under a refrigeration device is in particular a household refrigeration appliance understood, ie a refrigeration appliance for household management in households or possibly in the
  • Catering area is used, and in particular serves to store food and / or drinks in household quantities at certain temperatures, such as a refrigerator, a freezer, a fridge-freezer, a freezer or a wine storage cabinet.
  • a housing component having at least one vacuum insulation panel formed with a reinforcing layer, in which an evaporator is integrally molded into the reinforcing layer.
  • This evaporator should desirably be plate-shaped, e.g. of the tube-on-sheet or rollbond type.
  • the evaporator may be covered by the reinforcing layer. In this way, a continuous, homogeneous material surface of the housing component is obtained, which is easy to keep clean on the finished device.
  • the evaporator fills an opening of the reinforcing layer.
  • the evaporator in forming the vacuum insulation panel with the reinforcing layer, can serve as a link between the vacuum insulation panel and the walls of a molding tool by which the vacuum insulation panel can be fixed in the molding tool without its own wall contact, ie, a reinforcing layer around the vacuum insulation panel are generated, which apart from the evaporator receiving opening has no further openings.
  • the evaporator and the reinforcing layer surrounding it can be covered with a continuous covering layer.
  • a cover layer can also possibly caused by material shrinkage joints between the cover layer and
  • the evaporator is suitably fixed to the vacuum insulation panel by an adhesive layer.
  • thermoplastic material such as bitumen may be used.
  • bitumen a thermoplastic material such as bitumen.
  • Evaporator of the vacuum insulation panel to adjust exactly to a desired thickness of the reinforcing layer.
  • a foamed adhesive such as
  • Polyurethane foam to be provided between the evaporator and Vakuumisolationspaneel.
  • At least one of the evaporator can be mounted on a circuit board
  • Vacuum insulation panel touching spacer may be provided.
  • this spacer is designed as a one-piece with the board cranked tongue. This can additionally contribute to improving the positive connection between reinforcing layer and evaporator.
  • the housing component may form a first wall of a refrigerator body.
  • connector elements may be conveniently formed in the reinforcing layer for connection to a second wall of the refrigerator body. So can the Body can be quickly and easily assembled by plugging together several components.
  • the housing component may also be a complete refrigerator body. In this case, it is expedient if each wall of the refrigerator body at least one
  • the evaporator can be a temperature sensor in the
  • Embedded reinforcement layer or even a conduit for electricity or for refrigerant, which supplies the temperature sensor, an interior lighting, the evaporator or the like.
  • the temperature sensor or the lines may be attached to the vacuum insulation panel, in particular by gluing, so as not to hinder the generation of the reinforcing layer.
  • FIG. 1 shows a schematic section through a rear wall of a refrigerator body according to a first embodiment of the invention
  • FIG. 2 shows an enlarged partial section through a refrigerator rear wall according to a second embodiment
  • Fig. 4 is a view similar to FIG. 3 section according to a third embodiment of the
  • FIG. 5 shows a section analogous to FIG. 3 according to a fourth embodiment
  • FIG. Fig. 6 is a plan view of a refrigerator rear wall according to the invention.
  • Fig. 7 is a sectional view of a first intermediate stage of the production of
  • Refrigerating appliance rear wall according to one of FIGS. 2, 4 and 5; and FIG. 8 shows a second intermediate stage of production.
  • FIG. 1 shows, in a schematic section along a vertical sectional plane, a detail of a rear wall of a refrigerator body according to a first embodiment
  • the back wall of a largely consists of a plate-shaped vacuum insulation panel 2 by the skilled person known construction, with a filling 3 of highly porous material such as silica gel, airgel, open-cell polystyrene or polyurethane foam or the like, held by a surrounding plastic film 4 under negative pressure and is dimensionally stabilized.
  • the vacuum panel 2 is completely surrounded by a reinforcing layer 5 of compact polyurethane over its entire surface.
  • a plate-shaped evaporator 6 is embedded in the reinforcing layer 5.
  • the evaporator comprises a planar board 7 and a meandering in a gap between the board 7 and the vacuum insulation panel 2 in meandering refrigerant pipe 8, which may be formed by a soldered onto the board 7 tube or a second board in which one of the refrigerant pipe. 8 corresponding groove is formed.
  • the evaporator 6 is attached to the vacuum insulation panel 2 by an adhesive layer 9, for example of bitumen or expanded polyurethane.
  • an adhesive layer 9 for example of bitumen or expanded polyurethane.
  • Evaporator 6 may be pressed directly against the vacuum insulation panel 2, so that between the vacuum insulation panel 2 facing vertices of the refrigerant pipe 8, the adhesive layer 9 is almost completely displaced and only, as shown in Fig. 1, spaces between adjacent portions of the refrigerant line 8 fills.
  • the assembly of vacuum insulation panel 2 and evaporator 6 thus obtained is then placed in a mold and overmolded with compact polyurethane to form the reinforcing layer 5.
  • the evaporator 6 is positively embedded in the reinforcing layer 5 by these on the one hand extends over the entire side remote from the vacuum insulation panel 2 side of the board 7, on the other hand, but also in the gap between the vacuum insulation panel 2 and the board 7 extends.
  • Control circuit connects a chiller.
  • Fig. 2 shows an enlarged section through a piece of a refrigerator rear wall 1 according to a second embodiment of the invention.
  • the evaporator 6 is here as
  • Rollbond evaporator shown; but it could just as well be a tube-on-sheet evaporator.
  • Vacuum insulation panel 2 separates, here also at the panel 2 facing apexes 10 of the refrigerant pipe 8 has a non-negligible ceiling.
  • the outer plate 7 of the evaporator is not covered by the reinforcing layer 5 and is therefore in an ideal close thermal contact with the storage chamber 1 1 of the refrigerator, which allows energy-saving operation.
  • Vacuum insulation panel 2 are precisely controlled. This can be done, for example, by placing the evaporator 6, as shown in FIG. 3, with the board 7 downwards, surrounded by a frame 12, on a base 13, adhesive 9 in a plastically deformable or expanding state on the evaporator 6 is applied and the vacuum insulation panel 2 is placed on the frame 12, wherein it
  • FIG. 4 shows a development of the refrigerator rear wall 1 from FIG. 2 in a section analogous to FIG. 2.
  • the vacuum insulation panel 2 facing board 14 of the Evaporator 6 has here not only the refrigerant pipe 8, but also a
  • a gap 16 can form around the evaporator 6.
  • the gap 16 can be closed and a
  • FIG. 5 shows, in a section analogous to FIGS. 2 and 4, a piece of a rear wall 1 according to a fourth embodiment of the invention.
  • the evaporator 6 is here the same as in the case of FIG. 4.
  • the thick adhesive layer 9 of PU foam, bitumen or the like is omitted here; instead, only one thin layer, for example a two-sided adhesive tape 18, is provided between the film 4 of the vacuum insulation panel 2 and the distal ends of the tongues 15 lying flat against the film 4.
  • the material of the reinforcing layer 5 can penetrate between the tongues 15 in the otherwise filled by the adhesive layer 9 space between the evaporator 6 and panel 2 and fill it through.
  • Fig. 6 shows a plan view of an inside of an inventive
  • Refrigeration appliance rear wall 1 like the vacuum insulation panel 2, not shown in FIG. 6, substantially has the shape of a flat cuboidal plate. From the inside of the rear wall 1 projecting forward ribs 19 form four elongated rectangular frame 20, in the side walls, ceiling and bottom of the refrigerator body can be inserted, which are also formed as a reinforcing layer coated vacuum insulation panels. In a central region of the rear wall 1, the circuit board 7 of the evaporator 6 is exposed. Hidden in the reinforcing layer of the rear wall 1, from the inner plate 14 of the evaporator 6 outgoing tongues 15 are shown as dashed outlines. A capillary 21 and a suction line 22 of the evaporator 6 are guided hidden in the reinforcing layer 5. In order to avoid that the relatively extensive suction line 22 is visible on the surface of the reinforcing layer 5, this can expediently be performed largely at the foot of one of the ribs 19 along.
  • Glued vacuum insulation panel 2 Such bonding can be done quickly and easily with the help of the lines bridging strip 23 of all-sided tape.
  • FIG. 7 shows an intermediate stage in the production of the rear wall 1 according to FIG. 2, 4 or 5.
  • the vacuum insulation panel 2 with the evaporator 6 placed thereon is in a mold and is pressed by a movable punch 23 against an upper shell 24 of the mold ,
  • the evaporator 6 may, as described above, in particular with reference to Fig. 3, 4 or 5, be glued to the panel 2, for example by the adhesive layer 9 shown in Figure 7; but it is also conceivable that the evaporator 6, in particular the evaporator of FIG. 4 and 5, simply loose on the
  • Vacuum insulation panel 2 rests.
  • Liquid polyurethane which is to form the reinforcing layer 5, is injected into the mold, wherein it first begins, as shown in Fig. 8, to fill a lower shell 25 of the mold. This gives the vacuum panel 2 buoyancy and holds the

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Refrigerator Housings (AREA)
  • Packages (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un éléments d'enveloppe (1) pour un appareil de froid, en particulier un appareil de froid domestique. Cet élément d'enveloppe (1) comporte au moins un panneau d'isolation sous vide (2) façonné présentant une couche de renforcement (5) et un évaporateur (6) intégré dans la couche de renforcement (5).
PCT/EP2011/060976 2010-07-12 2011-06-30 Éléments d'enveloppe pour un appareil de froid Ceased WO2012007282A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010031250 DE102010031250A1 (de) 2010-07-12 2010-07-12 Gehäusekomponente für ein Kältegerät
DE102010031250.9 2010-07-12

Publications (2)

Publication Number Publication Date
WO2012007282A2 true WO2012007282A2 (fr) 2012-01-19
WO2012007282A3 WO2012007282A3 (fr) 2013-01-03

Family

ID=44627702

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/060976 Ceased WO2012007282A2 (fr) 2010-07-12 2011-06-30 Éléments d'enveloppe pour un appareil de froid

Country Status (2)

Country Link
DE (1) DE102010031250A1 (fr)
WO (1) WO2012007282A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021120698A1 (fr) * 2019-12-17 2021-06-24 珠海格力电器股份有限公司 Ensemble de support de panneau piv et réfrigérateur

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2008225C2 (nl) * 2012-02-03 2013-08-06 Intergas Heating Assets B V Verwarmingsinrichting.
CN109163487A (zh) * 2018-09-14 2019-01-08 安徽康佳同创电器有限公司 一种蒸发器内置式冰箱
DE102018124535A1 (de) * 2018-10-04 2020-04-09 Liebherr-Hausgeräte Lienz Gmbh Vakuumdämmkörper

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342859A1 (de) 2003-09-15 2005-04-21 Basf Ag Formkörper zur Wärmeisolation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07269779A (ja) * 1994-03-28 1995-10-20 Toshiba Corp 断熱筐体及び真空断熱パネルの製造方法
DE19948361A1 (de) * 1999-10-07 2001-04-12 Bsh Bosch Siemens Hausgeraete Kältegerät
KR100700612B1 (ko) * 2006-01-03 2007-03-28 엘지전자 주식회사 조립식 냉장고의 단열 판넬의 결합 구조 및 이를 구비한조립식 냉장고
DE102007050403A1 (de) * 2007-10-22 2009-04-23 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342859A1 (de) 2003-09-15 2005-04-21 Basf Ag Formkörper zur Wärmeisolation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021120698A1 (fr) * 2019-12-17 2021-06-24 珠海格力电器股份有限公司 Ensemble de support de panneau piv et réfrigérateur

Also Published As

Publication number Publication date
DE102010031250A1 (de) 2012-01-12
WO2012007282A3 (fr) 2013-01-03

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