WO2012045631A2 - 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
WO2012045631A2
WO2012045631A2 PCT/EP2011/066901 EP2011066901W WO2012045631A2 WO 2012045631 A2 WO2012045631 A2 WO 2012045631A2 EP 2011066901 W EP2011066901 W EP 2011066901W WO 2012045631 A2 WO2012045631 A2 WO 2012045631A2
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerating appliance
appliance according
blank
composite
assembly
Prior art date
Application number
PCT/EP2011/066901
Other languages
German (de)
English (en)
Other versions
WO2012045631A3 (fr
Inventor
Carsten Jung
Martin Ziegler
Marc-Oliver GÜTTINGER
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 WO2012045631A2 publication Critical patent/WO2012045631A2/fr
Publication of WO2012045631A3 publication Critical patent/WO2012045631A3/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

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 and a method for producing such a refrigerating appliance according to claim 15.
  • an inner container In the production of refrigerators, an inner container is usually produced in a plastic deep-drawing process, which defines the cooling space. Various components are mounted on this inner container 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 Schaumaushärtung the resulting device body can be further processed in a final assembly to a finished refrigerator or freezer.
  • This production process entails rigid production structures, with the cycle time of the foaming system required in particular for manufacturing reasons being responsible for an overall comparatively long production period.
  • the device body consists of a box-shaped preassembly, which has a cover and a bottom wall and a rear wall, which merge into each other at bending edges.
  • the box-shaped pre-assembly is made of a multilayer composite blank, which is produced in a non-illustrated process.
  • the material composite is optionally mitred, but without cutting through the inner cover layer.
  • Pre-assembly of exposed between the inner and outer cover layer of foam body exposed The exposed on the pre-assembly foam body must then in an elaborate processing step by adhesive or
  • the object of the invention is to provide a refrigeration appliance, in particular domestic refrigeration appliance, and a method for producing such a refrigeration appliance, which is easy to produce 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 or a wine storage cabinet.
  • the refrigeration device has a device body which has bottom, side, rear and top walls which define at least one cooling space.
  • the device body according to the invention consists of a box-shaped pre-assembly in which the rear and side walls are of uniform material and integrally connected to each other. In an assembly state, a cover part and a bottom part are respectively arranged at the top and bottom open front sides of the pre-assembly, which can be placed as separate components on the pre-assembly.
  • the refrigerator according to the invention is used for housekeeping and can be, for example, a refrigerator, a freezer, a freezer, a wine storage cabinet or amégefrierkombination.
  • the refrigerator of the refrigerator can be equipped with an additional room divider, which divides the refrigerator.
  • Room divider can also have holders for a door.
  • the pre-assembly unit consisting of the back and side walls can be a multi-layer composite material blank.
  • This blank can be made from at least one outer cover layer, an inner, the cooling space facing top layer and an intermediate insulating consist.
  • the insulating material may preferably be used as an insulating foam during a foaming operation between the two
  • the outer cover layer may consist of a sheet material, 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.
  • the insulating material can be separated into a foaming process between two, conveyed in the direction of production, from each other
  • Cover layer continuous webs are introduced.
  • the two cover layer continuous webs can be unwound continuously from rolls. The so producible
  • Continuous composite web can be passed through a cooling station where the composite web can be calibrated to a predetermined total thickness.
  • the continuous composite material web can be cut in a cutting station of the production plant over predetermined cutting lengths.
  • Cutting length depends essentially on the desired device height of the refrigeration device in the assembled state.
  • the exposed insulating material points are covered by the ceiling and floor parts diffusion-tight.
  • the ceiling and floor parts can be glued foam-tight on the upper and lower edges of the pre-assembly using adhesive and sealant.
  • the cut edges produced in the cutting station of the production line run at right angles to the direction of production.
  • the blank edges holding contours such as a diagonal cut, have, whereby a correct position support of the ceiling and floor parts is supported on the pre-assembly.
  • the retaining contour can thereby deviate at least partially from a plane perpendicular to the direction of the cutting plane.
  • the composite blank can be sealed off in a diffusion-tight manner at the side edges extending at right angles thereto.
  • the cover layers can be connected to one another in a foam-tight manner at the side edges of the continuous composite material web which extend in the direction of production.
  • the side edges of the composite endless web can limit a feed opening of the refrigerator laterally in the assembled state.
  • the feed opening can also be limited on the upper side and underside by the ceiling and / or the bottom part.
  • the cover layers can each have lateral, mutually facing edge webs which overlap one another and are glued together in a diffusion-tight manner.
  • the refrigerator according to the invention can in particular work with a circulating air cooling, in which an evaporator unit and a fan unit are integrated in a modular manner in the ceiling part.
  • the cooling therefore takes place during operation in the ceiling part, wherein a cooling air flow is guided into the cooling space with the aid of the fan unit.
  • a compressor unit of the refrigerant circuit which is connected to the evaporator unit via refrigerant lines, can be arranged in the bottom part.
  • the composite material blank may initially be designed plate-shaped or planar and define the cooling space of the device body only after a bending or folding process. To allow a perfect bending process, the
  • Composite blank have a formed by material weakening predetermined bending point.
  • the predetermined bending point may extend linearly in the production direction.
  • the predetermined bending point may be a groove-like indentation, which is formed in the outer or inner cover layer. By means of the indentation, the layer thickness of the intermediate layer is at the desired predetermined bending point
  • Insulating material reduces, while the layer thicknesses of the outer and inner cover layers can remain constant. In this way, on the one hand, a simpler Bending process guaranteed. On the other hand, however, the insulating material also remains diffusion-tightly arranged between the two cover layers at the bending edges.
  • Figure 1 is a perspective view of a refrigeration device with convection cooling in the final state of assembly.
  • FIG. 9 is an enlarged, partial exploded view of the pre-assembly unit with the ceiling part; FIG. and
  • FIG. 10 shows in a detail view a side edge of the composite blank with a foam-tight or diffusion-tight connection between the two cover layers of the composite blank.
  • 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 refrigerators 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.
  • an evaporator chamber 17 with an evaporator 19 and a fan 21 is integrated in the ceiling part 15.
  • an air flow can be sucked in and distributed via an air outlet 23 into the cooling chambers 4, 5.
  • Distribution lines 25 have, according to FIG. 2, 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 arranged in the bottom part 13 compressor a known refrigerant circuit.
  • the side walls 9 and the rear wall 11 are connected to one another in the same material and in one piece in a box-shaped preassembly unit 29, which is shown in a partial view and alone in FIG.
  • the pre-assembly unit 29 is U-shaped in profile with laterally from the rear wall 11
  • FIG. 3 shows a detail of a multilayer continuous composite material web 33, which passes through workstations, not shown, in a production facility F of a production plant.
  • the composite endless web 33 has an outer cover layer 35 and an inner cover layer 36 and an intermediate
  • cover layer endless webs not shown here, are brought together approximately parallel to one another and the insulating material 37 is introduced therebetween.
  • further fixtures can be introduced between the two outer layer continuous webs in the continuous process.
  • a channel unit 39 consisting of four channel lines is provided in the insulating material 37 foamed, forming the air distribution lines 25.
  • Production direction F running channel unit 39 may also form cable channels.
  • the inner and / or outer cover layers 35, 36 of the composite blank 50 are profiled in a profiling station of the manufacturing line before the two cover layers are joined together to form the composite blank 50.
  • V-shaped beads 41 are shown by way of example, which in the
  • Production direction F run and in each case a total layer thickness s of
  • Composite endless web 33 reduce, as shown in Figs. 3 and 6.
  • the beads 41 form predetermined bending points, the proper bending operation for
  • Area of the bead 41 has a reduced material thickness s ⁇ .
  • the layer thickness s 2 and s 3 of the two outer and inner cover layers 35, 36 remain constant even in the region of the bead 41.
  • 6 further stiffening beads 43 are provided in FIG., Which also extend along the production direction F and stiffen the outer cover layer 35.
  • Fig. 7 the transition between the rear wall 11 and the side wall 9 is shown after the bending process. Accordingly, a vertex 44 of the bead 41 is spaced from the inside bending edge 31 by the greatly reduced layer thickness s.sub.1 of the insulating material 37 shown in FIG. At the apex 44 of the bead 41, the two side legs of the bead 41 run together obtusely. The so in the
  • a stabilizing and heat-insulating profile part 45 is inserted into the outer corner region of the pre-assembly unit 29.
  • the profile part 45 has one with the bead 41st
  • Corresponding corner contour which fills the recess and extends the contour lines of the outer layers to an outer corner.
  • FIG. 10 shows, in a further detailed view, a side edge 47 of the composite endless web 33 extending in the production direction F. Accordingly, the two cover layers 35, 36 at the side edges 47 of the composite material Endless web 33 folded edge webs 49 on. These are facing each other and overlapped with each other.
  • the upper edge web 49 shown in FIG. 10 is stepped with an end piece 51 to the material thickness of the lower cover layer 35 inside. As a result, the opposing lower edge web 49 of the outer cover layer 35 can be glued substantially without joints and flush with the upper edge web 49.
  • Insulating material 37 is Insulating material 37.
  • the continuous composite material web is cut over predefined cutting lengths I such that the blank length corresponds approximately to the device height of the refrigerating device to be manufactured.
  • the blanking edges 53 produced during the cutting process therefore form, in the assembled state, the upper and lower edges of the pre-assembly unit 29. At the two upper and lower edges
  • Blank edges 53 of the pre-assembly unit 29 thus the insulating material 37 is exposed, while the two side edges 47 are each closed foam-tight.
  • the composite blank part 50 thus produced is partially shown in FIG. 4.
  • the composite blank 50 is further processed in a subsequent folding or bending operation along the desired predetermined bending points 41 to the pre-assembly unit 29 according to FIG. 5.
  • the ceiling part 15 is formed in accordance with FIG. 9 with corresponding corner regions 55, which after assembly in abutment with the two bevels 54 of the
  • Insulate insulating material 37 diffusion-tight.
  • a recess 56 is incorporated into the inner cover layer 36 approximately in the middle in the rear wall 11, which is the Channel unit 39 fluidly connects to the air outlet 23 of the ceiling part 15.

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 un appareil de froid domestique, comportant un corps (1) comprenant des parois latérales, arrière et de couverture (9, 13, 11, 15) qui délimitent au moins un espace de froid (4, 5). Selon l'invention, le corps (1) comprend une unité de prémontage en forme de caisson (29) dans laquelle les parois arrière et latérales (9, 11) du corps sont reliées entre elles d'un seul tenant, avec une homogénéité de matière. Lorsque l'appareil de froid est assemblé, une partie couverture (15) et une partie fond (13) sont disposées sous forme d'éléments séparés sur les bords libres supérieurs et inférieurs (53) de l'unité de pré-montage (29).
PCT/EP2011/066901 2010-10-08 2011-09-28 Appareil de froid, en particulier appareil de froid domestique WO2012045631A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010042243 DE102010042243A1 (de) 2010-10-08 2010-10-08 Kältegerät, insbesondere Haushaltskältegerät
DE102010042243.6 2010-10-08

Publications (2)

Publication Number Publication Date
WO2012045631A2 true WO2012045631A2 (fr) 2012-04-12
WO2012045631A3 WO2012045631A3 (fr) 2012-07-19

Family

ID=44719954

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/066901 WO2012045631A2 (fr) 2010-10-08 2011-09-28 Appareil de froid, en particulier appareil de froid domestique

Country Status (2)

Country Link
DE (1) DE102010042243A1 (fr)
WO (1) WO2012045631A2 (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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1201782B (it) * 1986-09-18 1989-02-02 Zanussi Zeltron Inst Procedimento per al fabbricazione di apparecchi frigoriferi
TR200300968T1 (tr) * 2000-12-22 2004-05-21 Arcelik As Yalitilmis bir ünite
DE202005014378U1 (de) * 2005-09-12 2006-01-12 BSH Bosch und Siemens Hausgeräte GmbH No-Frost-Kältegerät

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
DE102010042243A1 (de) 2012-04-12
WO2012045631A3 (fr) 2012-07-19

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