EP2292993A2 - Elément de composant de sous-structure pour un appareil de réfrigération et/ou de congélation, appareil de réfrigération et/ou de congélation et procédé destiné au montage d'un appareil de réfrigération et/ou de congélation - Google Patents

Elément de composant de sous-structure pour un appareil de réfrigération et/ou de congélation, appareil de réfrigération et/ou de congélation et procédé destiné au montage d'un appareil de réfrigération et/ou de congélation Download PDF

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Publication number
EP2292993A2
EP2292993A2 EP10008841A EP10008841A EP2292993A2 EP 2292993 A2 EP2292993 A2 EP 2292993A2 EP 10008841 A EP10008841 A EP 10008841A EP 10008841 A EP10008841 A EP 10008841A EP 2292993 A2 EP2292993 A2 EP 2292993A2
Authority
EP
European Patent Office
Prior art keywords
subassembly
air
freezer
refrigerator
sub
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.)
Withdrawn
Application number
EP10008841A
Other languages
German (de)
English (en)
Other versions
EP2292993A3 (fr
Inventor
Anton Rothmund
Klaus Oelmaier
Viktor Laube
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen 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 Liebherr Hausgeraete Ochsenhausen GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Publication of EP2292993A2 publication Critical patent/EP2292993A2/fr
Publication of EP2292993A3 publication Critical patent/EP2292993A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/006General constructional features for mounting refrigerating machinery components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/002Details for cooling refrigerating machinery
    • F25D2323/0021Details for cooling refrigerating machinery using air guides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/002Details for cooling refrigerating machinery
    • F25D2323/0026Details for cooling refrigerating machinery characterised by the incoming air flow
    • F25D2323/00264Details for cooling refrigerating machinery characterised by the incoming air flow through the front bottom part
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/002Details for cooling refrigerating machinery
    • F25D2323/0027Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00274Details for cooling refrigerating machinery characterised by the out-flowing air from the front bottom
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining

Definitions

  • the present invention relates to a subassembly element for a refrigerator and / or freezer, a refrigerator and / or freezer and a method for mounting a refrigerator and / or freezer.
  • a cooling device that has a device base with a wide air inlet channel and a parallel thereto arranged wide air outlet channel. Air inlet side, however, the inflowing air is deflected in a Z-shape, ie that the air flows in a first horizontal plane through the front panel, then is deflected abruptly via a Umlenkwandung in a second horizontal plane and is guided on this second horizontal plane through the device base.
  • the air outlet from the device base also takes place after Z-shaped deflection, so that this device base has a horizontal air flow, which as already indicated above is disadvantageous due to the flow losses.
  • the EP 0 650 680 B1 discloses a base for a built-in refrigerator, which is placed on support rails with feet and is arranged in a furniture niche. This base is formed trough-like and has no separate air duct, so that the air flowing in front is also swirled for cooling purposes in the flow through the base and thus high flow losses occur.
  • a subassembly for a refrigerator and / or freezer has at least one air inlet and at least one air outlet, wherein the subassembly is made in one piece and wherein at least one air guide means is provided in the sub-assembly element, which is designed such that it leads the air substantially on a horizontal plane.
  • the sub-assembly element thus advantageously has a vertical air duct, since the air in the sub-assembly element can be guided substantially on a horizontal plane.
  • a vertical air duct is particularly advantageous because the flow losses are low due to the lack of deflection in the vertical direction.
  • the one-piece design of the subassembly element results in a particularly simple handling and production of the subassembly element.
  • air in the subassembly element without abrupt change of direction from the air inlet to the air outlet is feasible and / or that the deviation of the air guide from the horizontal plane is not more than ⁇ 30 °, preferably not more than ⁇ 15 ° is. It is particularly advantageous if the air is guided without abrupt change of direction in or through the sub-assembly element. This allows the Strörriungshnee be kept low. A deviation of the air flow from the horizontal plane may also consist in a spreading of the air flow.
  • the air guide means a horizontally extending first wall, such as a ceiling or a floor, and a second wall inclined therefrom, either a ceiling or a floor, enclosing an angle of not more than ⁇ 30 ° with a horizontal plane, preferably not more than ⁇ 15 °.
  • the air guide means is arranged at least partially edge side in the subassembly.
  • the air guide means in the side region of the subassembly element can be arranged at the edge, whereby the central region of the subassembly element can remain free or otherwise usable.
  • the subassembly element has a recess for receiving and / or fixing the inner container of the refrigerator and / or freezer.
  • a simple assembly of the subassembly element with the inner container is possible.
  • the recess can be used as an adhesive surface, which surrounds a part of the inner container and is glued by filling the thermal insulation material, preferably the Isolierschaumes with the inner container. Screwing the subassembly with the already foamed device housing is thus unnecessary, an assembly of the subassembly with the inner container and the outer wall is easily possible by the already to be performed foaming.
  • the recess is arranged centrally or centrally and / or that the recess is formed like a trough on the upper side in the subassembly element.
  • the area between the recess and the inner container which is preferably a Having adapted to the shape of the recess molding injected foam, so that subassembly element and inner container are interconnected.
  • the air guide means expands to a receiving space for at least one compressor, at least one fan and at least one condenser, wherein fastening means, in particular fastening receptacles for the compressor, the fan and the condenser are provided in the receiving space.
  • the receiving space may advantageously comprise air guide walls which surround the components of the cooling circuit of the refrigerator and / or freezer located in the receiving space.
  • the fastening means for the condenser, the fan and the compressor are arranged one after the other.
  • the air guidance means starting from the air inlet, to extend laterally past the recess, past the receiving space located in the rear region of the subassembly element, past the recess to the air outlet.
  • the air guide means is channel-like and / or that the air guide means has at least partially a round, oval or rectangular cross-section.
  • the oval or rectangular cross-section of the air guiding means is vertically aligned.
  • a vertical alignment of the oval or rectangular cross-section is advantageously achieved in that the height of the air guiding means at this point is greater than the width.
  • the subassembly element is a device base and / or an injection molded part.
  • the injection molding process becomes a simple one and cost-effective production allows. It is preferred if an impact-resistant plastic is used for this purpose.
  • a condensation-collecting tray or an evaporation tray is provided, wherein the condensation-collecting tray or the evaporation tray is arranged in a front area of the sub-assembly element and / or in a front-accessible area of the subassembly.
  • the condensate collecting tray or the evaporation tray can be integrated in the lateral cover of the subassembly element and designed to be laterally removable and replaceable.
  • a lateral removal for cleaning purposes is advantageous and easily possible.
  • the subassembly element is designed such that the at least one condenser can be pushed in at the front. This results in the advantage of being able to realize a cost-effective installation of the condenser, since it is sufficient to insert a condenser die through the air inlet or the air outlet in the or the lateral air ducts of the subassembly element and there z. B. positively secured by locking.
  • a refrigerator and / or freezer with the features of claim 12.
  • a refrigerator and / or freezer has at least one subassembly element according to one of claims 1 to 11.
  • the refrigerator and / or freezer may be a fully integrated base unit used in a fitted kitchen. It is also conceivable that the cooling and / or freezer is a decorable base unit or a built-under drawer unit. Also conceivable is the use in stationary devices.
  • the refrigerator and / or freezer is a side-by-side device.
  • the devices of the side-by-side device arranged side by side each have a sub-assembly element and that the subassembly elements are mirror-inverted and / or usable with respect to one another.
  • the invention relates to a method for mounting a refrigerator and / or freezer with the features of claim 15. Thereafter, it is provided that in a method for mounting a refrigerator and / or freezer in a first step, a subassembly element and an inner container of In a second step, at least one outer wall of the refrigerator and / or freezer are positioned relative to the subassembly and inner container and in a third step, areas or gaps between subassembly, inner container and outer wall are filled with foam and / or freezer. are backfoamed, so that subassembly element, inner container and outer wall are interconnected. This is preferably a subassembly element according to one of claims 1 to 11 and / or preferably a refrigerator and / or freezer according to one of claims 12 to 14.
  • FIG. 1 shows in perspective rear view a subassembly element 10 according to the present invention.
  • the sub-assembly element 10 is designed as a device base 10, which is manufactured in one piece as an injection molded part.
  • the device base 10 is an injection molded part made of an impact-resistant plastic.
  • the device base 10 on its underside bearing surfaces, by means of which the device base 10 can be set up directly on the ground. At the same time or alternatively threaded holes can be provided, can be screwed into the steep feet.
  • the pallet-like device base 10 has on its upper side a trough-like recess 20 which is provided for receiving the inner container of the refrigerator and / or freezer.
  • the air inlet for the air L takes place through the front part 12 or air inlet 12 of the air guiding means, which is widened at this point.
  • the air guide means or the air duct narrows in width, widens but slightly in the height direction, since the bottom 15 of the lateral portion 14 drops slightly obliquely downward.
  • the air L is thus guided starting from the air inlet 12 substantially horizontally and without abrupt change in direction relative to the vertical through the lateral section 14 of the air duct to the engine room 16, which is formed by a widening of the air duct in the rear part of the device base 10.
  • FIG. 1 shown structure is again schematically in FIG. 2 shown, which is a schematic plan view of the device base 10.
  • the device base 10 can be provided on the front with a front panel 40, which can be pushed depth adjustable by means of lateral projections 42 on the device base 10. This allows adjustability and adaptability of the front panel 40 to the respective installation situation. In particular, with built-in appliances a simple depth adjustment can be made.
  • an air separation means 30 is provided.
  • the air separation means 30 may be formed by corresponding projections 44 in the front panel 40, which engage in a corresponding recess 22 in the device base 10.
  • the air separation means 30 comprises a foam molding 32, which is inserted between the projections 44 and the recess 22 and is held there by clamping.
  • the fastener 17 may be a recess or receptacle into which the compressor 70 may be inserted to facilitate easy and quick assembly.
  • FIG. 3 is shown in perspective view, the subassembly 10 with mounted components of a refrigerator and / or freezer, with reference to this figure, the operation of the device base 10 can be explained in detail.
  • Cold ambient air L enters the air inlet 12 of the device base 10 through oblique lamellae in the front panel 40 and then flows through the side channel 14, which has a substantially rectangular cross-section with a vertical orientation, that is higher than it is wide.
  • the side channel 14 which has a substantially rectangular cross-section with a vertical orientation, that is higher than it is wide.
  • the cross-section widens slightly as the channel 14 increases in height.
  • the air L is passed through the channel 14 on the spiral condenser 50 and cools it.
  • curved air guide walls 52 are provided in the machine room 16, which surround the vertical spirals of the condenser 50.
  • a fan 60 Downstream of the condenser 50, a fan 60 is provided, which circulates the air L through the device base 10.
  • the fan 60 further pressurizes the compressor 70 with the air L guided past the condenser 50, so that optimum heat removal from the compressor 70 can also take place.
  • the air L enters the side channel 18, which is constructed equal to the side channel 14, in particular is formed symmetrically to this. Through the side channel 18, the air L is guided to the air outlet 19 and exits there via the slats of the front panel 40.
  • the air flow L is guided substantially on a horizontal plane, whereby flow losses can be avoided.
  • Air inlet and outlet and air duct in the device base 10 are horizontal on the same plane, the expansion in the side channels 14 and 18 is neglected in this regard. It thus takes place according to the invention no deflection of the air flow relative to the vertical, which is why the flow resistance is kept small. This makes it possible to operate the fan 60 at a comparatively low speed, so that the noise level during operation can be lowered.
  • FIG. 3 shows the fully assembled subassembly of a refrigerator and / or freezer, which is intended for installation in a furniture niche.
  • this subassembly consisting of the device base 10 and the components mounted in the device base 10 of the cooling circuit is assembled with the inner container, not shown, and pre-positioned for assembly.
  • the inner container which has one of the recess 20 corresponding shape, set in the recess 20 so that there is a uniform gap on all sides in the recess 20, which is intended for foaming.
  • This gap has about 2 cm and is advantageously adjusted by appropriate spacers.
  • FIG. 4 shows a perspective view of a portion of a subassembly element 10 in a further embodiment, wherein the evaporation tray 110 'is integrated into a side cover 100' of the subassembly 10 and made laterally removable and reinsertable.
  • the evaporation tray 110 ' is accessible from the front and can be easily removed for cleaning purposes and then used again.
  • the outer wall 112 'of the evaporation tray 110' itself forms the outer wall of the lateral cover 100 'of the subassembly element 10.
  • a condenser 50 is arranged, which can be inserted into the front sub-assembly element 10, here through the air outlet 19th
  • FIG. 5 shows in perspective the in FIG. 4 illustrated evaporation tray 110 '.
  • the evaporation tray 110 ' has a plurality of latching elements 120', by means of which the evaporation tray 110 'can be latched in the subassembly 10.
  • FIG. 6 shows in a schematic plan view of the sub-assembly element 10, as in FIG. 4 shown condenser 50 is disposed on both sides in the lateral channels of the subassembly 10 and each can be inserted through the front side through the air inlet 12 and through the air outlet 19.
  • Each condenser 50 is assigned a respective fan 60.

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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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP10008841.8A 2009-09-03 2010-08-25 Elément de composant de sous-structure pour un appareil de réfrigération et/ou de congélation, appareil de réfrigération et/ou de congélation et procédé destiné au montage d'un appareil de réfrigération et/ou de congélation Withdrawn EP2292993A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009039906 2009-09-03
DE102009056426A DE102009056426A1 (de) 2009-09-03 2009-12-01 Unterbaugruppenelement für ein Kühl- und/oder Gefriergerät, Kühl- und/oder Gefriergerät sowie Verfahren zur Montage eines Kühl- und/oder Gefriergerätes

Publications (2)

Publication Number Publication Date
EP2292993A2 true EP2292993A2 (fr) 2011-03-09
EP2292993A3 EP2292993A3 (fr) 2015-06-24

Family

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Application Number Title Priority Date Filing Date
EP10008841.8A Withdrawn EP2292993A3 (fr) 2009-09-03 2010-08-25 Elément de composant de sous-structure pour un appareil de réfrigération et/ou de congélation, appareil de réfrigération et/ou de congélation et procédé destiné au montage d'un appareil de réfrigération et/ou de congélation

Country Status (3)

Country Link
US (1) US9115926B2 (fr)
EP (1) EP2292993A3 (fr)
DE (1) DE102009056426A1 (fr)

Cited By (1)

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WO2015086430A1 (fr) * 2013-12-11 2015-06-18 BSH Hausgeräte GmbH Appareil de froid ménager comprenant un compartiment technique pourvu d'un plateau de support sur lequel est monté un autre composant

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EP3593070B1 (fr) * 2017-03-06 2022-04-06 Whirlpool Corporation Réfrigérateur
US20190107296A1 (en) 2017-10-10 2019-04-11 Trane International Inc. Modular heat pump system
CN207963280U (zh) * 2017-11-27 2018-10-12 博西华电器(江苏)有限公司 冰箱

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EP0444461A2 (fr) 1990-02-22 1991-09-04 Gaggenau-Werke Haus- und Lufttechnik GmbH Réfrigérateur ou congélateur
EP0650680B1 (fr) 1993-10-06 1997-12-29 Bosch-Siemens Hausgeräte GmbH Appareil électroménager avec logement en forme d'armoire
JPH07127963A (ja) * 1993-11-05 1995-05-19 Matsushita Refrig Co Ltd 冷蔵庫の機械室内冷却装置
DE4445286A1 (de) 1994-12-19 1996-06-20 Bosch Siemens Hausgeraete Kältegerät, insbesondere Kühl- oder Gefriergeräte
DE29701474U1 (de) 1996-02-07 1997-04-10 Electrolux Zanussi S.P.A., Pordenone Kühlschrank mit verbessertem Sockel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015086430A1 (fr) * 2013-12-11 2015-06-18 BSH Hausgeräte GmbH Appareil de froid ménager comprenant un compartiment technique pourvu d'un plateau de support sur lequel est monté un autre composant
US10634416B2 (en) 2013-12-11 2020-04-28 BSH Hausgeräte GmbH Domestic refrigeration device comprising a machine chamber having a carrier shell, on which carrier shell a further part is retained

Also Published As

Publication number Publication date
EP2292993A3 (fr) 2015-06-24
US9115926B2 (en) 2015-08-25
DE102009056426A1 (de) 2011-03-10
US20110067431A1 (en) 2011-03-24

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