WO2012045642A2 - Appareil frigorifique, en particulier appareil frigorifique ménager - Google Patents

Appareil frigorifique, en particulier appareil frigorifique ménager Download PDF

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Publication number
WO2012045642A2
WO2012045642A2 PCT/EP2011/066924 EP2011066924W WO2012045642A2 WO 2012045642 A2 WO2012045642 A2 WO 2012045642A2 EP 2011066924 W EP2011066924 W EP 2011066924W WO 2012045642 A2 WO2012045642 A2 WO 2012045642A2
Authority
WO
WIPO (PCT)
Prior art keywords
appliance according
refrigerating appliance
supply channel
composite
channel
Prior art date
Application number
PCT/EP2011/066924
Other languages
German (de)
English (en)
Other versions
WO2012045642A3 (fr
Inventor
Marc-Oliver GÜTTINGER
Carsten Jung
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 WO2012045642A2 publication Critical patent/WO2012045642A2/fr
Publication of WO2012045642A3 publication Critical patent/WO2012045642A3/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
    • F25D23/061—Walls with conduit means
    • 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
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/326—Joining the preformed parts, e.g. to make flat or profiled sandwich laminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2509/00—Household appliances
    • B32B2509/10—Refrigerators or refrigerating equipment
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • 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

Definitions

  • Refrigerating appliance in particular household refrigerating appliance
  • the invention relates to a refrigeration device, in particular a household refrigerator, according to the preamble of claim 1 and a method for producing a
  • an inner container which defines the cooling space is usually produced in a plastic thermoforming process.
  • Various components are mounted on this inner container in a pre-assembly step.
  • the correspondingly pre-assembled inner container is placed together with device outer walls in a foaming system in which a between the outer walls and the
  • Inner container formed cavity is foamed by means of insulating foam. After the Schaumaushärtung the resulting device body in a
  • a refrigeration device manufactured according to such a method is known from DE 10 2004 052 621 A1, in which an electronic unit is provided in a ceiling part, in which all electronic components of the refrigeration device are combined.
  • Electronic unit includes, among other things, a control device for regulating the
  • Refrigerator temperature as well as a refrigerator lighting can be connected via power supply lines to a power supply network.
  • conduits are integrated in the insulating foam of the refrigeration device housing, through which the power lines can be performed.
  • the arranged partially in the housing rear wall empty conduits can also be used to carry out
  • Foaming process initially preassembled in the correct position on the deep-drawn inner container.
  • the object of the invention is to provide a refrigeration appliance, in particular a domestic refrigeration appliance, as well as a process for the production of the refrigeration appliance, which can be produced in a reduced production time as well as 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 at least one boundary wall defining a cooling space, which comprises two outer layers with an intermediate one
  • Insulating material is made.
  • at least one supply channel is arranged through which power supply lines and / or refrigerant lines or the like can be guided.
  • the boundary wall according to the invention forms, together with the supply channel, a composite material blank which is cut from a continuous composite material web in a predetermined cutting length. According to the invention, therefore, the supply channel is an endless extruded profile which is integrated in the continuous composite material web.
  • the boundary wall can therefore with already integrated supply channel in a continuous
  • Manufacturing process can be made from the composite endless web, causing the production-technical expenditure as well as the production time in the production of the
  • the multilayer composite blank may be fabricated from a continuous composite web that is conveyed in the machine direction through various workstations of a manufacturing facility.
  • the composite endless web can be assembled in a joining station of two, in the direction of production funded cover layer continuous webs. These can be handled continuously by rolls.
  • the insulating material can be introduced.
  • the insulating material may preferably be a polyurethane foam, which occurs in adhesive bonding with the two outer layer endless webs.
  • the foam can be applied under pressure and under heat.
  • the supply channel in addition to the insulating material in the joining step, can be conveyed as an endless strand parallel to the production direction and with the two outer layer endless webs
  • the two outer cover layer continuous webs can be connected to one another in a foam-tight or diffusion-tight manner along the side edges extending in the direction of production. In this way, a lateral foam outlet from the composite endless web just formed can be prevented transversely to the production direction.
  • the composite endless web produced in this way can subsequently be cut in a cutting step over predetermined cutting lengths.
  • the blank length can correspond approximately to the device height of the refrigeration device to be produced.
  • the composite material blank produced in this way can be plate-shaped or else U-shaped and at least partially form the device body which defines the cooling space.
  • the boundary wall produced as a composite blank can be further processed in a subsequent shaping step by bending or folding to a box-shaped device body in which the rear and side walls are materially and integrally connected to each other. In this case can be in one
  • connection opening formed.
  • the front edges of the blank edges are open
  • connection openings of the supply channel in the assembled state can be brought into fluid communication with other add-on parts.
  • connection opening of the supply channel arranged at the upper edge of the boundary wall can be in operative connection with a ceiling part in which a
  • Evaporator unit and a fan unit are integrated and a cold air flow is generated in the cold mode.
  • a compressor unit of the refrigerant circuit can be arranged in the bottom part.
  • the channel can be closed airtight or fluidly connected to the fan unit.
  • the attachment can cover the insulating material diffusion-tight.
  • the supply channel can also be introduced as an endless strand between the two outer layer endless webs analogous to the separate cover layer continuous webs.
  • the outer layers can foam or
  • the diffusion-proof side edges of the composite endless web can, in the assembled state, partly frame a charging opening of the refrigerating device.
  • the loading opening can
  • an overpressure builds up between the cover layer continuous webs during foaming, with which the supply channel is mechanically stressed.
  • the supply channel may comprise two profile parts, of which at least a first profile part a free
  • Cross-section of the supply channel has bordering groove-shaped recess which is covered by the second profile part.
  • the first and the second profile part can each be designed to be identical, so that the two profile parts with the groove-shaped recesses facing each other.
  • Each of the channel-shaped recesses can be designed approximately semi-cylindrical. The free channel cross section thus formed is therefore substantially circular.
  • the channel-shaped recess of the first or second profile part may have on its raised side walls laterally projecting connecting webs, which can be brought into adhesive connection with the corresponding connecting webs of the second profile part.
  • the first and / or second profile part has a series of mutually parallel channel-shaped recesses which are separated from one another via the connecting webs. This results in a rigid unit, in which several supply channels are integrated.
  • the structural unit designed in this way can be used for further dimensional stabilization during the
  • Foaming process can be arranged between two stiffening plates.
  • the two stiffening plates are in each case with the outer peripheries of the recesses of the profile parts in plant.
  • the two stiffening plates can also be introduced as continuous webs between the two outer layer continuous webs.
  • the two stiffening plates may each have apertures to foam passage to the cavities between the two stiffening plates
  • Fig. 1 in a perspective view of a refrigeration device with convection cooling in
  • FIG. 9 is a partial perspective view of a supply duct endless cord according to a first embodiment
  • FIG. 10 is a partial perspective view of a supply channel endless strand according to a second embodiment variant.
  • 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 11 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.
  • the air outlet 23 of the evaporator chamber 17 with cold air ducts 25 fluidly connected, which are integrated in the rear wall 1 1.
  • 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.
  • supply channels 26 are also arranged, which are shown in Figs. 3 to 6 and 9 and 10. Through the supply channels 26, the indicated in Fig. 9 refrigerant lines 77 are guided, which arranged in the bottom part 13
  • Compressor connects to the arranged in the ceiling part 15 evaporator.
  • 26 power supply lines 78 are laid in the supply channels, via which the electronic components of the ceiling part 15, for example, the fan unit 21, supplied with power.
  • 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 work stations of a production plant shown in FIG. 8 in a production direction F.
  • the composite endless web 33 has, according to FIG. 3, an outer cover layer 35 as well as an inner cover layer 36 and an intermediate insulating material 37.
  • cover layer endless webs, not shown here, are brought together approximately parallel to one another and the insulating material 37 is introduced therebetween.
  • FIGS. 3 and 4 a channel unit 39 consisting of two laterally outer supply channels 26 and two inner cooling air channels 25 is foamed in the insulating material 37, which is shown in FIGS. 8, 9 and 10 as an endless strand.
  • the axially parallel to the production direction F extending 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 61 of the manufacturing plant shown in FIG. 8 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 run in the production direction F and in each case reduce a total layer thickness of the composite endless web 33.
  • the beads 41 form predetermined bending points, which allow a perfect bending operation for folding up the two side walls 9.
  • FIG. 7 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 on the side edges 47 of the composite endless web 33 bent edge webs 49. These are facing each other and overlapping each other.
  • the upper edge web 49 shown in FIG. 7 is provided with a
  • the continuous composite material web 33, together with the channel unit 39 formed as a continuous strand, is cut over predefined cutting lengths I such that the blank length corresponds approximately to the device height of the refrigeration device to be manufactured.
  • the cutting edges 53 produced during the cutting process form the upper and the lower edge of the assembly in the assembled state
  • Pre-assembly 29 At the two upper and lower blank edges 53 of the pre-assembly unit 29, the insulating material 37 is still exposed, while the two side edges 47 are each closed diffusion-tight. In addition, the channel unit 39 is cut through at the blank edges 53 of the formed composite blank 50.
  • the cold air ducts 25 and the supply channels 26 therefore have at the blank edges 53 each frontally open connection openings, which are hermetically sealed depending on the design of the refrigeration device to be manufactured or with other attachments, such as the ceiling part 15 shown in FIG. 6, are connectable.
  • the composite blank 50 thus produced is partially shown in FIG.
  • 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.
  • a chamfer 54 can be provided at each of the front upper and lower edges of the U-shaped preassembly unit 29 which, as the retaining contour, affords secure mounting of the assembly
  • the ceiling part 15 is formed according to the Fig. 6 with corresponding corner portions 55, which after the
  • the bottom and the top part 13, 15 is set according to the Fig. 6 via sealing and adhesive directly on the respective blank edge 53 to the still exposed
  • a recess 56 is centrally incorporated in the inner cover layer 36, the
  • Cold air ducts 25 of the channel unit 39 fluidly connects to the air outlet 23 of the ceiling part 15.
  • FIG. 8 shows an apparatus for producing the composite material blank 50 partially 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 each other by profiling stations 61.
  • the bottom profiling station 61 shown in FIG. 8 the bottom-side cover layer continuous web 60 is profiled continuously with the beads 41 extending in the production direction F and formed as predetermined bending points.
  • the cover layer continuous web 60 is additionally provided with a trough-shaped, upwardly open profile which has the edge webs 49 which are raised at the edge in FIG.
  • the liquid insulating material 37 is introduced in the later following foaming station 65.
  • the raised edge webs 49 prevent lateral leakage of the insulating material 37th
  • the two cover layers 59, 60 and the channel unit 39 are assembled in the joining or connecting station 64, with the interposition of the
  • Insulating material 37 is present in the example of a polyurethane foam, which occurs in adhesive bonding with the two cover layer continuous webs 59, 60. According to FIG. 8, the insulating foam 37 is applied the lower covering layer continuous web 60 with pressure and / or heat in the foaming station 65 arranged immediately before the joining station 64.
  • a cooling station 66 follows, in which the composite endless web 33 formed is guided between opposing cooling rollers, whereby a 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 over a predetermined blank length I from the composite endless web 33.
  • the blank length I is dimensioned such that it substantially corresponds to the device height of the refrigeration device to be manufactured.
  • the plate-shaped composite material blank 50 shown in FIG. 4 is in a
  • FIG. 9 shows a section of the channel unit 39 shown as an endless strand according to a first embodiment variant. Consequently, the channel unit 39 has four separate channels, each of the supply channels 26 and the
  • Cold air channels 25 form.
  • the channels 25, 26 are separated by two
  • opposite profile parts 70, 71 are formed, which are designed in FIG. 9 as equal parts.
  • profile parts 70, 71 respectively mutually facing channel-shaped recesses 72 are provided which merge at their raised side walls in each case in connecting webs 73.
  • the two profile parts 70, 71 are according to FIG. 9 at the opposite, corresponding connecting webs 73 with each other in adhesive bonding to separate the adjacent channels 25, 26 from each other.
  • the channel unit 39 shown in FIG. 10 is a component composite consisting of the two opposite profile parts 70, 71, which are each provided on the top and bottom sides
  • Stiffening layers 74, 75 are covered.
  • the component composite thus formed is in turn introduced as an endless strand between the two cover layer continuous webs 59, 60.
  • the two stiffening layers 74, 75 are perforated according to FIG. 10 with openings 76 in order to achieve a foam passage as far as the connecting webs 73 during the foaming process.

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

Abstract

L'invention concerne un appareil frigorifique, en particulier un appareil frigorifique ménager comprenant au moins une paroi de délimitation (9, 11) délimitant un compartiment de réfrigération (4, 5), laquelle paroi comprend deux couches externes (35, 36) entre lesquelles est intercalé un matériau isolant (37), et dans lequel est agencé au moins un canal d'alimentation (26) à travers lequel peut passer une ligne d'alimentation électrique (78) ou une conduite de frigorigène (77). Selon l'invention la paroi de délimitation (9, 11) forme conjointement avec le canal d'alimentation (26) une découpe de matériau composite (50) obtenue par découpage d'une bande continue de matériau composite à une longueur prédéterminée (I).
PCT/EP2011/066924 2010-10-08 2011-09-28 Appareil frigorifique, en particulier appareil frigorifique ménager WO2012045642A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010042239 DE102010042239A1 (de) 2010-10-08 2010-10-08 Kältegerät, insbesondere Haushaltskältegerät
DE102010042239.8 2010-10-08

Publications (2)

Publication Number Publication Date
WO2012045642A2 true WO2012045642A2 (fr) 2012-04-12
WO2012045642A3 WO2012045642A3 (fr) 2012-08-16

Family

ID=44764124

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/066924 WO2012045642A2 (fr) 2010-10-08 2011-09-28 Appareil frigorifique, en particulier appareil frigorifique ménager

Country Status (2)

Country Link
DE (1) DE102010042239A1 (fr)
WO (1) WO2012045642A2 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004052621A1 (de) 2004-10-29 2006-05-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB678429A (en) * 1950-04-04 1952-09-03 British Thomson Houston Co Ltd Improvements in refrigerator cabinets
GB1437001A (en) * 1972-08-21 1976-05-26 Sidaplax Laminates
DE19621054A1 (de) * 1996-05-24 1997-11-27 Bosch Siemens Hausgeraete Wärmeisolierendes Gehäuse

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004052621A1 (de) 2004-10-29 2006-05-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät

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Publication number Publication date
DE102010042239A1 (de) 2012-04-12
WO2012045642A3 (fr) 2012-08-16

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