WO2012045645A2 - Appareil de froid, en particulier appareil de froid domestique - Google Patents

Appareil de froid, en particulier appareil de froid domestique Download PDF

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Publication number
WO2012045645A2
WO2012045645A2 PCT/EP2011/066946 EP2011066946W WO2012045645A2 WO 2012045645 A2 WO2012045645 A2 WO 2012045645A2 EP 2011066946 W EP2011066946 W EP 2011066946W WO 2012045645 A2 WO2012045645 A2 WO 2012045645A2
Authority
WO
WIPO (PCT)
Prior art keywords
appliance according
blank
refrigerating appliance
bottom part
composite
Prior art date
Application number
PCT/EP2011/066946
Other languages
German (de)
English (en)
Other versions
WO2012045645A3 (fr
Inventor
Carsten Jung
Marc-Oliver GÜTTINGER
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
Publication of WO2012045645A2 publication Critical patent/WO2012045645A2/fr
Publication of WO2012045645A3 publication Critical patent/WO2012045645A3/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
    • F25D23/063—Walls defining a cabinet formed by an assembly of panels

Definitions

  • Refrigerating appliance in particular household refrigerating appliance
  • the invention relates to a refrigeration device, in particular a household refrigerating appliance, according to the preamble of claim 1.
  • an inner container is usually produced in a plastic thermoforming process, which defines the cooling space.
  • Inner container various device components are mounted in a pre-assembly step. Subsequently, the correspondingly pre-assembled inner container is placed together with device outer walls in a foaming system in which a cavity formed between the outer walls and the inner container is foamed by means of a Isolierschaumes. After foam curing, the device body thus formed in a
  • the device body of the known from DE 21 08 216 known generic refrigeration device is modular.
  • the device body consists of a box-shaped pre-assembly, which has a cover and a bottom wall and a rear wall, which merge into one another at bending edges.
  • the box-shaped pre-assembly is made of a multilayer composite blank, which is produced in a non-illustrated process. To the desired bend or
  • Kinking the material composite is mitred if necessary, but without cutting through the inner cover layer.
  • the object of the invention is to provide a refrigeration appliance, in particular a domestic refrigeration appliance, which can be produced in a reduced production time and in terms of production technology.
  • 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.
  • the refrigeration device has a device body defining the cooling space, in which at least one boundary wall is a multilayer composite material blank which comprises outer cover layers and an intermediate layer
  • the boundary wall Due to its production, the boundary wall has an at least bottom-open blank edge with an exposed insulating material layer.
  • the open blank edge of the boundary wall is covered diffusion-tight by one, a bottom wall of the cooling space forming bottom part.
  • the bottom part can be fastened for example by an adhesive bond to the boundary wall, whereby the insulating material layer of the boundary wall in a simple manner
  • the refrigerator compartment defining side and rear walls of the device body are formed of the same material and in one piece from a common composite material blank.
  • the common composite material blank forms in this case a box-shaped pre-assembly with top side and bottom blank edge.
  • the insulating material of the composite blank may preferably be used as an insulating foam during a foaming operation between the two
  • the outer cover layer may preferably be made from a sheet material, made of ABS or the like, while the inner
  • Top layer may also consist of a sheet metal material or cardboard.
  • the multilayer composite blank may be manufactured in a continuous manufacturing process from a composite endless web conveyed in the direction of manufacture. To generate this
  • the insulating material can be introduced in the foaming process between two conveyed in the direction of production, separate cover layer continuous webs.
  • the two cover layer continuous webs can be unwound continuously from rolls.
  • the endless composite web thus produced can be cut in a cutting station of the manufacturing plant over predetermined cutting lengths.
  • the blank length can essentially be based on the desired device height of the refrigeration device in the assembled state.
  • the upper cut edge of the composite blank in the assembled state forms an upper edge on which the cover part can be placed.
  • the lower blank edge forms a bottom edge on which the bottom part is placed.
  • the blank edge of the boundary wall can run at right angles to the production direction of the composite endless web.
  • the composite blank can be sealed off in a diffusion-tight manner at the side edges extending at right angles thereto.
  • the diffusion-sealed side edges of the composite blank can limit the feed opening of the refrigerator laterally in the assembled state.
  • the feed opening can be bounded on top by the ceiling part and the bottom side by the bottom part.
  • the refrigerator according to the invention can work in particular with a recirculating air cooling, in which an evaporator unit and a fan unit are integrated in the ceiling part.
  • the cooling therefore takes place during operation in the ceiling part, with the help of the fan unit, a cold air flow is fed into the refrigerator.
  • the refrigeration unit that is, the compressor, the refrigerant circuit may be arranged in contrast in a bottom-side engine room.
  • the refrigeration unit is arranged in a housing part which is mounted on the side facing away from the cooling chamber of the bottom part. In finished construction position, the refrigeration device is therefore parked with its bottom-side housing part on a footprint.
  • the bottom part can be cupped with a horizontally oriented
  • Bottom wall and be formed with side and rear side raised side walls.
  • the cup-shaped bottom part is open at the front, that is designed without raised side wall.
  • the pre-assembly is placed with its bottom side open blank edge directly on the vertically upwardly facing edges of the side walls of the cup-shaped bottom part and glued to it.
  • a cold air duct may be integrated in the insulating material layer in one of the boundary walls, for example the rear wall.
  • the integrated therein cold air duct is fluidly connected via discharge openings with the individual cooling compartments of the refrigerator.
  • further supply channels may be integrated in the insulating material layer in which, for example, refrigerant pipelines are laid.
  • the bottom part can be pre-positioned in a simple manner dimensionally accurate and precisely positioned on the bottom-side blank edge of the pre-assembly unit.
  • the bottom-side blank edge may have a holding contour which is raised and / or set back from the adjacent edge region.
  • the bottom part can engage positively with a corresponding mating contour, so that a simple position-secure attachment of the bottom part is made possible.
  • additional functions can be integrated in the bottom part.
  • the bottom part may have lateral receiving pockets for receiving hinge elements of the appliance door.
  • Fig. 1 in a perspective view of a refrigeration device with convection cooling in
  • FIG. 3 shows a perspective partial view of a pre-assembly
  • Fig. 6 in a schematic representation of a manufacturing plant for the production of
  • a working with circulating air cooling refrigeration device is shown.
  • the refrigeration device has a device body 1 and appliance doors 2, 3, each of which can close or open the feed openings 6 of the cooling chambers 4, 5 independently.
  • Both cooling chambers 4, 5 are defined by side walls 9, by a rear wall 1 1 and by a bottom part 13 and a ceiling part 15.
  • a room divider 14 is arranged as an intermediate floor.
  • a limited by a housing part 16 evaporator chamber 17 with an evaporator 19 and a fan 21 is integrated in the ceiling part 15.
  • a fan 21 In cooling mode, by means of the fan 21 through a front air inlet 18 sucked in the evaporator chamber 17, an air flow and distributed via an air outlet 23 in the cooling chambers 4, 5.
  • the cold air ducts 25 have vertically spaced outflow openings 27, via which the cold air flow into the cooling chambers 4, 5 can occur.
  • Various control means for adjusting a cold air flow in the cooling chamber 4, 5 are omitted in FIG. 2 for reasons of clarity.
  • the arranged in the ceiling part 15 evaporator 19 forms together with a in
  • the side walls 9 and the rear wall 11 are connected in the same material and in one piece in a box-shaped pre-assembly unit 29, which is shown in FIG. 3 in a partial view and in isolation.
  • the pre-assembly unit 29 in profile U-shaped with laterally from the rear wall 1 1 to
  • Pre-assembly unit 29 vertically raised.
  • the pre-assembly unit 29 is produced from a multilayer continuous composite material web 33, which passes through work stations of a production line shown in FIG. 6 in a production direction F.
  • first cover layer endless webs 59, 60 are brought together approximately parallel to one another according to FIG. 6, and the insulating material 37 is introduced therebetween.
  • further fixtures can be introduced between the two outer layer continuous webs in the continuous process.
  • the axially parallel to the production direction F extending channels 25 may also form cable channels and / or channels for refrigerant pipelines.
  • the inner and outer cover layers of the composite blank 50 are profiled in a profiling station 61 of the manufacturing plant shown in FIG. 6 before the two cover layers are joined together to form the composite blank 50.
  • the bottom part 13 has an approximately shell-shaped main body 40, which is also formed from a composite material consisting of outer and inner cover layers and an intermediate layer of insulating material.
  • Bottom part 13 is executed approximately cup-shaped with a horizontally oriented bottom 41 and with edge side raised side walls 42.
  • the bowl-shaped base body 40 is frontally open without side wall 42 designed.
  • the side walls 42 of the main body 40 close vertically upwards with flat horizontally aligned edges 43. In assembly position, these edges 43 cover the bottom side open blank edge 53 of the pre-assembly 29.
  • side receiving pockets 44 for receiving hinge elements of the door 3 are provided.
  • the composite endless web 33 is cut over a predetermined cutting length I.
  • the blank length I is dimensioned so that it corresponds approximately to the device height of the refrigeration device to be manufactured.
  • the insulating material 37 is still exposed, while the two side edges 47 are each closed diffusion-tight.
  • the initially flat composite material blank 50 produced in this way is further processed in a subsequent folding or bending process along the desired predetermined bending points to the pre-assembly unit 29 according to FIG.
  • a chamfer 54 can be provided on the front upper and lower edges of the U-shaped preassembly unit 29, which chamfers a mounting-secure attachment as the retaining contour Ceiling part 15 and the bottom part 13 supported.
  • the bottom part 13 is formed according to the Fig. 4 and 5 with corresponding corner portions 55, which after the
  • the edges 43 of the bottom part 13 are placed directly on the blank edge 53 of the pre-assembly unit 29 via sealing and adhesive means in order to seal the still exposed insulating material 37 in a diffusion-tight manner.
  • FIG. 6 shows an apparatus for producing the composite material blank 50 partly shown in FIG. 4.
  • the apparatus comprises rollers 57, 58, from which the cover layer continuous webs 59, 60 are unwound and initially conveyed independently of one another by profiling stations 61, in which the cover layer endless webs 59, 60 are continuously profiled.
  • a carrier web 63 on which different internals 39 are applied, which are foamed in the finished composite endless web 33 in the insulating material 37, extends between the two cover layer continuous webs 59, 60.
  • the cold air channels 25 can be carried by the carrier layer 63, which are foamed in the insulating material 37 in the subsequent foaming process.
  • the two cover layers 59, 60 and the carrier layer 63 are joined together in the joining or connecting station 64, with the interposition of the
  • the insulating material 37 is, for example, a polyurethane foam which comes into adhesive connection with the two cover layer continuous webs 59, 60.
  • the insulating foam 37 is applied in accordance with FIG. 6 in the foaming station 65 arranged directly in front of the joining station 64 on the carrier layer 63 and on the lower cover layer continuous web 60 with pressure and heat.
  • the edge webs 49 of the cover layer continuous webs 59, 60 are connected to one another in a diffusion-tight manner.
  • a cooling station 66 follows, in which the composite endless web 33 formed between Overlying cooling rollers is guided, whereby the material thickness of the composite endless web 33 is adjusted.
  • the now cooled and calibrated composite endless web 33 is guided into a cutting station 67.
  • the composite blank 50 is cut from the continuous composite web 33 over a predetermined blank length I.
  • the blank length I is dimensioned such that it substantially corresponds to the device height of the refrigeration device to be manufactured.

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un appareil de froid, en particulier appareil de froid domestique, comportant un corps (1) comprenant au moins une paroi (9, 11) délimitant un espace de froid (4, 5), par exemple des parois arrière et latérales, cette paroi de délimitation (9, 11) se présentant sous la forme d'une découpe de matériau composite multicouche (50) constituée de couches de couverture extérieures (35, 36) et d'une couche de matériau isolant (37) prise en sandwich entre ces deux couches. Selon l'invention, la paroi de délimitation (9, 11) comporte un bord de découpe (53) ouvert côté fond, qui présente une couche de matériau isolant (37) apparente, couverte par une partie de fond (13) formant un fond (41) de l'espace de froid (4, 5).
PCT/EP2011/066946 2010-10-08 2011-09-29 Appareil de froid, en particulier appareil de froid domestique WO2012045645A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010042245 DE102010042245A1 (de) 2010-10-08 2010-10-08 Kältegerät, insbesondere Haushaltskältegerät
DE102010042245.2 2010-10-08

Publications (2)

Publication Number Publication Date
WO2012045645A2 true WO2012045645A2 (fr) 2012-04-12
WO2012045645A3 WO2012045645A3 (fr) 2012-12-27

Family

ID=44719970

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/066946 WO2012045645A2 (fr) 2010-10-08 2011-09-29 Appareil de froid, en particulier appareil de froid domestique

Country Status (2)

Country Link
DE (1) DE102010042245A1 (fr)
WO (1) WO2012045645A2 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2108216A1 (de) 1970-02-25 1971-09-16 Kitson, Joshua Wilson, Hemingford Abbots, Huntingdon (Großbritannien) Verfahren zum Herstellen von Ge hausen od dgl

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006947A (en) * 1975-11-07 1977-02-08 Whirlpool Corporation Liner and insulation structure for refrigeration apparatus
US4974383A (en) * 1989-04-13 1990-12-04 Bally Engineered Structures, Inc. Sandwich panel
DE19818890A1 (de) * 1998-04-28 1999-11-04 Bayer Ag Kontinuierliches Verfahren zur Herstellung eines Kühlschranks
ITMI20040737A1 (it) * 2004-04-14 2004-07-14 Whirlpool Co Apparecchio frigorifero e-o congelatore modulare

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2108216A1 (de) 1970-02-25 1971-09-16 Kitson, Joshua Wilson, Hemingford Abbots, Huntingdon (Großbritannien) Verfahren zum Herstellen von Ge hausen od dgl

Also Published As

Publication number Publication date
WO2012045645A3 (fr) 2012-12-27
DE102010042245A1 (de) 2012-04-12

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