WO2009000677A1 - Appareil frigorifique et son procédé de réalisation - Google Patents

Appareil frigorifique et son procédé de réalisation Download PDF

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Publication number
WO2009000677A1
WO2009000677A1 PCT/EP2008/057469 EP2008057469W WO2009000677A1 WO 2009000677 A1 WO2009000677 A1 WO 2009000677A1 EP 2008057469 W EP2008057469 W EP 2008057469W WO 2009000677 A1 WO2009000677 A1 WO 2009000677A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing line
wall
housing part
adhesive
refrigerating appliance
Prior art date
Application number
PCT/EP2008/057469
Other languages
German (de)
English (en)
Inventor
Carsten Jung
Martin Ziegler
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to CN200880021795A priority Critical patent/CN101688740A/zh
Priority to EP08760997A priority patent/EP2165133A1/fr
Publication of WO2009000677A1 publication Critical patent/WO2009000677A1/fr

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
    • F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1228—Joining preformed parts by the expanding material
    • 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
    • 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
    • F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives

Definitions

  • the present invention relates to a refrigerator and a manufacturing method thereof.
  • the housing of refrigeration appliances usually comprise at least two hollow bodies, namely a body and a door, in which a cavity bounded by an inner wall and an outer wall is filled with insulating material.
  • a body and a door in which a cavity bounded by an inner wall and an outer wall is filled with insulating material.
  • refrigeration appliance housing in which the body itself is composed of a plurality of individual, filled with insulating hollow bodies.
  • the hollow bodies are conventionally filled with the insulating material by injecting a polymer material, in particular polyurethane, pressurized with gas into the cavity and, driven by it, expand by the pressure of the gas.
  • a polymer material in particular polyurethane
  • the drive by the expanding pressurized gas causes the foam material to spread to a remote angle of the cavity and form a closed insulating foam layer of uniform consistency which sets in the cavity.
  • the pressure of the propellant gas also means that if the cavity is not completely sealed prior to injection of the polymer material, the still liquid foam can escape from a crack of the cavity to the outside. Trained, set foam is only with great effort, if at all, to be removed without leaving a trace, so that from a not sufficiently dense cavity escaping foam can lead to significant economic losses in the device manufacturing.
  • Object of the present invention is to provide a refrigerator and a method for its production, which allow a simple and inexpensive means a reliable seal.
  • a refrigeration device having a housing part and at least one further component, which is joined to the housing part along at least one sealing line, wherein the sealing line is a liquid precursor of insulating material, which is injected into a cavity of the refrigerator to the cavity filled with insulating material, prevents the outlet, wherein the housing part and the further component along the sealing line are sealed by a layer or seam of at least at the time of attachment of plastic adhesive.
  • sealing with adhesive tape is difficult to automate because it must be checked whether the adhesive tape is tight over the entire length of the sealing line and must be glued if necessary, the at least initially plastic adhesive is well suited for automated attachment. But even with essentially manual attachment results in a labor-saving, since the adhesive due to its plasticity is able to compensate for tolerances between the surfaces to be joined together.
  • a hot melt adhesive is preferably used because it is quick to process.
  • the housing part is designed as at least one inner wall delimiting an inner space of the refrigeration appliance and the further component is designed as an outer wall of the refrigeration appliance.
  • an evaporator when the housing part is a body, on the inside wall, an evaporator can be fixed on the outside by hot melt adhesive.
  • the application of the hot melt adhesive for fastening the evaporator can in one operation with the Application of the hot melt along the sealing line, which also work time and costs can be saved.
  • the inner wall and / or the outer wall has an opening which is covered by a covering element; in this case, the sealing line expediently extends around the opening.
  • the perforated wall element may in particular be an inner container of the body of the refrigeration device, and the overlapping element may be, in particular, a backing part attached to the perforated wall element for holding components of the refrigeration device such as refrigerated goods carriers, pull-out rails , a lighting assembly or the like is used, or it can be fixed directly as a covering element on the inner container such built-in components.
  • a extending through the opening line such as a power supply line for a lighting assembly or a supply or discharge line of a mounted inside the refrigerator water tank can be fixed outside of the sealing line by hot melt on the openwork housing part.
  • Such a fixation simplifies the assembly of the device, and since the attachment of the required for the fixation hot melt can be done together with the attachment of the hot melt adhesive on the sealing line, the associated expense is low.
  • the hot-melt adhesive is foamed.
  • the object of the invention is further achieved by a method for assembling a
  • This additional surface may in turn be coated with adhesive or uncoated.
  • the hot melt adhesive layer can be conveniently reheated prior to assembly or during assembly.
  • a layer of hot melt adhesive layer bridging layer can be attached to the two wall element surfaces.
  • the adhesive in particular hot melt adhesive, can be applied in caterpillar form or sprayed on.
  • Fig. 1 is a perspective view of the inner container of a refrigerator and various parts to be mounted thereon according to the present invention
  • FIG. 3 shows a section through an edge region of the inner container from FIG. 1 and a profile element fastened thereto;
  • the body of a refrigeration device is composed in a manner known to those skilled in one of a plastic plate, for example made of polystyrene, one-piece deep drawn, shown in Fig. 1 in perspective view inner container 1 and assembled from not shown plates outer skin.
  • the panels of the outer skin are fastened to the inner container 1 by profile elements 2 to 5 joined to a frame enclosing the front side of the inner container 1.
  • Side walls 6 of the inner container 1 are each provided with a plurality of apertures 7, which are provided to receive backing pieces 8. These backing parts 8 are used, for example, to hang in the interior of the inner container 1, not known, the expert known telescopic or refrigerated goods carriers to them.
  • a large-sized opening 9 at an upper rear edge of the inner container 1 and a backing part 10 to be placed there serve, for example, for anchoring an interior lighting or a fan / light combination, not shown, in the inner container 1.
  • the opening 9 is framed in the figure represented by a bead 11 of hot melt adhesive material.
  • An extension 12 of the bead extends along the top of the inner container 1 to near its front. While the bead 11 extending around the aperture 11 is provided to be flattened upon placement of the backing part 10 between the latter and the inner container 1, thereby forming a sealing line between the two, the extension 12 serves to fix a control or supply cable 13. In the fully assembled device, this cable 13 connects the backing part 10 to an electronic control assembly, which is arranged behind a control panel mounted above the uppermost profile element 2 and not shown here.
  • edges of hot melt adhesive material are each provided around the apertures 7 to seal between the backing parts 8 and the inner container 1.
  • FIGS. 2A to E show steps of assembling the backing parts 8.
  • FIG. 2A shows a spray nozzle 14 which, under the control of a digital control unit, draws a bead 11 of hot melt adhesive material around one of the apertures 7.
  • the hot melt adhesive material may be mixed with a pressurized gas such as nitrogen so that it expands after leaving the nozzle 14 to a closed-cell foam.
  • a voluminous bead 11 is obtained with low material usage.
  • a backing member 8 When the bead 1 1 is closed into a ring as shown in FIG. 2B, a backing member 8 can be mounted.
  • the backing part 8 is shown in FIG. 2B for the sake of simplicity as a cup 15 with annular peripheral flange 16, the opening 7 facing the open side and around the open side radially protruding latching hook 17, the interior of which is left empty, it being understood that in the interior of the cup 15 may be any adapted to its intended use in the finished refrigeration contours.
  • hot-melt adhesive material can then be sprayed onto the side of the flange 16 facing away from the side wall 6 and an area of the side wall 6 adjoining the flange 16 so as to produce a plane shown in FIG 2E, the second sealing layer shown 20 to form. Also, this operation is easy to automate as the application of the bead in Fig. 2A. Thus, a seal of the opening 7 is ensured even if the flange 16 and the first applied hot melt the bead 11 should not seal on the entire circumference of the flange 16.
  • the backing piece 8 directly, without prior application of the bead 1 1, to lock on the side wall 6 or otherwise secure and then spray the sealing layer 20.
  • Fig. 3 shows a schematic section through an edge of the inner container 1 and one of the attached profile elements 2, 3, 4 or 5.
  • the profile element is substantially an L-profile with two mutually orthogonal legs 21, 22, wherein the on the The front of the body extending leg 21 hairpin-shaped bent back and extended by an elastic spring 23.
  • the leg 21 and the spring 23 define a groove in which the edge of the inner container 1 is clamped.
  • a hot melt adhesive layer 24 is applied, the strip of an edge region of the spring 23 and an adjacent surfaces of the inner container 1 covers and so creates a foam-tight connection between the two.
  • the hot melt adhesive layer 24 may be painted as shown in FIG. 2A or sprayed as shown in FIG. 2D.
  • FIGS. 4A to D illustrate this in a sequence of schematic sections through the rear wall 27 of the inner container.
  • Fig. 4A shows the rear wall 27 alone.
  • a hot melt adhesive layer 28 is applied to the back wall 27, again by brushing or spraying.
  • Fig. 4C the evaporator 26 is shown in contact with the hot melt adhesive layer 28 on the back wall. The evaporator may be preheated prior to contacting the layer 28 to melt it.

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)
  • Adhesives Or Adhesive Processes (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Packages (AREA)

Abstract

L'invention concerne une partie boîtier destinée à un appareil frigorifique comprenant au moins un élément de paroi (1, 8, 10), les éléments de paroi délimitant une cavité remplie de matière isolante et étant assemblés le long d'au moins une ligne d'étanchéité. Selon l'invention, la partie boîtier est rendue étanche le long de la ligne d'étanchéité par une couche d'adhésif thermocollant (11).
PCT/EP2008/057469 2007-06-25 2008-06-13 Appareil frigorifique et son procédé de réalisation WO2009000677A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200880021795A CN101688740A (zh) 2007-06-25 2008-06-13 制冷装置及其制造方法
EP08760997A EP2165133A1 (fr) 2007-06-25 2008-06-13 Appareil frigorifique et son procédé de réalisation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710029173 DE102007029173A1 (de) 2007-06-25 2007-06-25 Kältegerät und Herstellungsverfahren dafür
DE102007029173.8 2007-06-25

Publications (1)

Publication Number Publication Date
WO2009000677A1 true WO2009000677A1 (fr) 2008-12-31

Family

ID=39185956

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2007/059741 WO2009000335A1 (fr) 2007-06-25 2007-09-14 Appareil frigorifique et procédé pour son montage
PCT/EP2008/057469 WO2009000677A1 (fr) 2007-06-25 2008-06-13 Appareil frigorifique et son procédé de réalisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/059741 WO2009000335A1 (fr) 2007-06-25 2007-09-14 Appareil frigorifique et procédé pour son montage

Country Status (5)

Country Link
EP (2) EP2160556A1 (fr)
CN (2) CN101688737A (fr)
DE (1) DE102007029173A1 (fr)
RU (2) RU2431788C2 (fr)
WO (2) WO2009000335A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060615A1 (de) * 2009-12-28 2011-06-30 Liebherr-Hausgeräte Lienz Gmbh Einschäumteil
DE102010003458B4 (de) * 2010-03-30 2016-12-15 BSH Hausgeräte GmbH Kältegerät, insbesondere Standkältegerät
DE102010003459B4 (de) * 2010-03-30 2018-03-01 BSH Hausgeräte GmbH Kältegerät, insbesondere Standkältegerät
CN102338526B (zh) * 2011-08-18 2014-05-21 合肥美的电冰箱有限公司 冰箱
DE102012217873A1 (de) * 2012-09-28 2014-04-03 Behr Gmbh & Co. Kg Verbindungssystem für einen Wärmeübertrager
DE102014106852A1 (de) * 2014-05-15 2015-11-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Batteriemodul
DE102017114659A1 (de) * 2017-01-23 2018-07-26 Liebherr-Hausgeräte Lienz Gmbh Verfahren zur Herstellung eines Kühl- und/oder Gefriergerätes

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795035A (en) * 1955-08-03 1957-06-11 Revco Inc Method of making a refrigerated cabinet liner
GB1293561A (en) * 1969-01-21 1972-10-18 Philips Nv Improvements in or relating to refrigerator cabinets
US3752350A (en) * 1971-09-28 1973-08-14 Philco Ford Corp Refrigerator cabinet construction
JPS60223881A (ja) * 1984-04-20 1985-11-08 Mitsubishi Electric Corp 冷蔵庫箱体の製造方法
US5512345A (en) * 1994-03-28 1996-04-30 Kabushiki Kaisha Toshiba Vacuum insulator casing and method of making vacuum insulator panel
JPH1163803A (ja) * 1997-08-26 1999-03-05 Hitachi Ltd 冷蔵庫
WO2005121662A1 (fr) * 2004-06-07 2005-12-22 BSH Bosch und Siemens Hausgeräte GmbH Evaporateur pour appareil frigorifique et procede de production de cet evaporateur
DE102005016876A1 (de) * 2005-04-12 2006-10-19 Liebherr-Hausgeräte Ochsenhausen GmbH Verfahren zum Abdichten von Spalten zwischen zusammengefügten Bauteilen eines Kühlgerätes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1177720A (zh) * 1996-09-19 1998-04-01 富士电机株式会社 用于冰箱或之类的绝热壳体
JP4576195B2 (ja) * 2004-10-12 2010-11-04 日立アプライアンス株式会社 真空断熱材、及び真空断熱材を用いた冷蔵庫、並びに真空断熱材の製造方法。

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795035A (en) * 1955-08-03 1957-06-11 Revco Inc Method of making a refrigerated cabinet liner
GB1293561A (en) * 1969-01-21 1972-10-18 Philips Nv Improvements in or relating to refrigerator cabinets
US3752350A (en) * 1971-09-28 1973-08-14 Philco Ford Corp Refrigerator cabinet construction
JPS60223881A (ja) * 1984-04-20 1985-11-08 Mitsubishi Electric Corp 冷蔵庫箱体の製造方法
US5512345A (en) * 1994-03-28 1996-04-30 Kabushiki Kaisha Toshiba Vacuum insulator casing and method of making vacuum insulator panel
JPH1163803A (ja) * 1997-08-26 1999-03-05 Hitachi Ltd 冷蔵庫
WO2005121662A1 (fr) * 2004-06-07 2005-12-22 BSH Bosch und Siemens Hausgeräte GmbH Evaporateur pour appareil frigorifique et procede de production de cet evaporateur
DE102005016876A1 (de) * 2005-04-12 2006-10-19 Liebherr-Hausgeräte Ochsenhausen GmbH Verfahren zum Abdichten von Spalten zwischen zusammengefügten Bauteilen eines Kühlgerätes

Also Published As

Publication number Publication date
WO2009000335A1 (fr) 2008-12-31
RU2010101156A (ru) 2011-07-27
DE102007029173A1 (de) 2009-01-08
RU2431788C2 (ru) 2011-10-20
CN101688740A (zh) 2010-03-31
RU2009146868A (ru) 2011-07-27
CN101688737A (zh) 2010-03-31
EP2160556A1 (fr) 2010-03-10
EP2165133A1 (fr) 2010-03-24

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