WO2012130637A2 - Appareil frigorifique pourvu d'un canal d'air formé - Google Patents

Appareil frigorifique pourvu d'un canal d'air formé Download PDF

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Publication number
WO2012130637A2
WO2012130637A2 PCT/EP2012/054653 EP2012054653W WO2012130637A2 WO 2012130637 A2 WO2012130637 A2 WO 2012130637A2 EP 2012054653 W EP2012054653 W EP 2012054653W WO 2012130637 A2 WO2012130637 A2 WO 2012130637A2
Authority
WO
WIPO (PCT)
Prior art keywords
cover
refrigerating appliance
air duct
appliance according
inner container
Prior art date
Application number
PCT/EP2012/054653
Other languages
German (de)
English (en)
Other versions
WO2012130637A3 (fr
Inventor
Alexander Koch
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 CN201280015940.7A priority Critical patent/CN103477167B/zh
Priority to EP12710683.9A priority patent/EP2691712B1/fr
Publication of WO2012130637A2 publication Critical patent/WO2012130637A2/fr
Publication of WO2012130637A3 publication Critical patent/WO2012130637A3/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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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

Definitions

  • the present invention relates to a refrigeration appliance, in particular a domestic refrigeration appliance, with a deep-drawn inner container delimiting a storage chamber and an air duct formed in a rear wall of the inner container.
  • a refrigeration appliance in particular a domestic refrigeration appliance
  • a deep-drawn inner container delimiting a storage chamber and an air duct formed in a rear wall of the inner container.
  • Such an air duct is often provided in particular in Nofrost refrigerators to distribute cold air from a partitioned from the storage chamber evaporator chamber in the storage chamber.
  • To be able to guide the cold air in the air duct over longer distances is a
  • a flat plastic plate is used as a cover, which is fastened by means of screws or plastic expansion rivets on the inner container. Since the cover is generally not thick-walled enough to be rigid in itself, a considerable number of screws or rivets are required to secure the cover so that it rests sufficiently close to the inner container along its entire length. The attachment of this variety of screws or expansion rivets makes mounting the cover lengthy. In addition, screws or rivets that pierce the inner container, the risk that moisture from the
  • Storage chamber penetrates into the insulating layer surrounding the inner container and impairs their isolation effect.
  • Object of the present invention is therefore to provide a refrigerator with molded on the inner container air duct, in which a cover of the air duct is quick and easy to install.
  • Inner container an air duct formed in a wall of the inner container and a cover delimiting the air duct from the bearing chamber, the air duct having an undercut at least on one lateral flank, in which the cover engages.
  • the need for fastening by means of screws, expansion dowels or the like is eliminated on at least one side of the cover.
  • the wall of the inner container is a rear wall, the air duct including the undercut in a simple manner during deep drawing of the
  • Inner container to be formed with. If the undercut is formed on opposite flanks of the air duct, the cover can be fixed in total by latching in the undercuts, without the need for further fasteners. Consequently, no openings in the inner container must be created by the
  • the undercut preferably extends over the entire length of the
  • the cover preferably has, in its longitudinal direction, spaced-apart fingers which reach into the undercut. In contrast to a continuous along a flank of the air duct web, the spaced apart fingers do not stiffen the cover, so that the cover during installation and, if necessary, during expansion can be slightly bent and so the fingers with little
  • the fingers In order to allow a tight fit of the cover in a well-defined position on the air duct, the fingers preferably have a complementary to the undercut of the flank (s) cross-section.
  • a base plate of the cover preferably has on both sides of a core region bridging the air duct on the wall of the inner container on both sides of the air channel adjacent edge strips.
  • the edge strips and the core area can form a single flat plate, the fingers each having a boundary between
  • Air outlet openings may be provided on the cover to those in the
  • Air duct circulating air distributed in the storage chamber to distribute.
  • Air outlet openings in cross-section rounded edges on their side facing the air duct can be realized in particular by injection molding of the cover.
  • the cover may carry a rib longitudinally subdividing the air duct to provide from the air duct a secondary channel, e.g. to divide to accommodate electrical lines or the like.
  • the air duct may comprise at least two sections staggered in the depth direction of the inner container, around the inner space in its entire height
  • the cover may be divided at least by a hinge in its longitudinal direction successive sections.
  • this hinge is a film hinge.
  • Fig. 11 is a vertical section through the air duct and the cover according to a ninth embodiment of the invention.
  • Fig. 1 shows a schematic view obliquely from below and behind an inner container 1 for a household refrigerator according to a first embodiment of the invention.
  • the in per se known manner of thermoplastic material, in particular polystyrene, deep-drawn inner container 1 has substantially the shape of a cuboid with an open, surrounded by a frame 2 front side walls 3, a ceiling and in Fig. 1 the viewer facing the rear wall 4 and a bottom 5.
  • a recess 6 is formed to leave room for a machine room niche, which accommodates a compressor and possibly a condenser and a fan for cooling the compressor and condenser in the finished refrigerator.
  • An air duct 7 extends on the rear wall 4 over the entire height of the inner container including the recess 6. At lateral flanks 8 of the air duct is shown in Fig. 1 each have a projecting bead 9, the inside of the
  • Inner container 1 each corresponds to a groove-like undercut 10, such. to recognize in Fig. 2.
  • the undercut 10 extends on both flanks 8 over the entire length of the air duct 7.
  • Fig. 2 shows a portion of a cover 1 1.
  • Core portion 12 of the plastic injection molded cover 1 1 is provided to be placed in the air duct 7, wherein lateral edges 13 of the core portion 12, the flanks 8 of the air duct 7 touch and projecting from the edges 13 in the air duct 7 in elastic fingers 14 in the undercuts 10 of the flanks 8 engage.
  • the fingers 14 are arranged at the edges 13 in pairs at the same height.
  • the cover 1 1 is elastically flexible in dimensions, so that during the attachment of the cover pairs of fingers 14 at one end of the cover 1 1 already in the
  • Undercuts 10 may be engaged, but finger pairs at another end of the cover 1 1 not yet, and the pairs of fingers successively in the
  • Fig. 3 shows a view of a portion of the cover 11 according to a second embodiment of the invention.
  • the fingers 14 are opposite to the embodiment of FIG. 2 extending slightly, and on either side of the core portion 12 extend edge strips 15 which, when the cover 11 is mounted in the manner shown in Fig. 4 on the air duct 7, adjacent to the air duct 7 on the rear wall 4 abut the
  • the fingers 14 carry in the undercuts 10 engaging locking projections 16, the cross-section to that of the undercuts 10 is complementary to ensure an exact positioning of the cover 11.
  • Inner container 1 oriented so that when the cover 11 is pulled away from the air duct 7, a sideways into the interior of the channel 7 directed force is exposed, which bends the finger 14 and makes it possible to peel the cover 1 1 from the air duct 7.
  • each edge strip 15 and the rear wall 4 each have an elastic sealing strip 18 may be arranged, which is elastically compressed and the flanks of the air channel 7 seals when the fingers 14 are locked in the undercuts 10.
  • Fig. 6 shows a modification in which the edge strips 15 of the cover 11 in turn are received in recesses 19 of the rear wall 4 on both sides of the air channel 7.
  • the depressions 19 can improve the sealing on the flanks of the air duct 7 by enforcing a sharp deflection of air escaping between the edge strips 15 and the rear wall 4, thereby hindering the escape.
  • they allow, as in the embodiment of Fig. 2, the outside of the cover 1 1 to make flush with the surrounding rear wall 4 and so to create a flat, easy to clean inner surface of the storage chamber.
  • This sub-channel 22 can be used to accommodate a cable harness 23, the arranged at different locations of the inner container 1 temperature sensor or the air circulation in the air duct. 7 driving fan with a control circuit, eg in the engine room niche 6 connects.
  • Air outlet openings 24 may be punched out of the substantially planar core region 12 of the cover 1 1 or cut out in other ways.
  • the outlet openings 24 are formed as slightly over the rear wall 4 and the surrounding core portion 12 into the inner container 1 in projecting nozzle, which, as shown in the section of Fig. 8, on its side facing the air duct 7 side
  • the air channel 7 is divided into a plurality of sections, an upstream portion 7a and two pulling around the recess 6 around portions 7b, 7c, of which the portion 7b substantially horizontally and the portion 7c vertically aligned is.
  • this cover 11 according to the embodiment shown in Fig. 9 by two film hinges 26 in each case in the sections 7a, 7b, 7c of the air duct corresponding sections 1 1a , 1 1 b, 11 c structured.
  • the middle portion 11 b is shown in Fig. 9 without fingers 14, but it could be the same as the adjacent sections 1 1 a, 11 c provided with fingers 14.
  • Fig. 10 shows an embodiment of the cover 1 1, wherein this is divided into two separate parts 27, 28.
  • the upper part 27 comprises the upstream portion 11 a of the cover 11 and one with this portion 1 1 a via a
  • Film hinge 26 connected, provided with two slots 30 plate 29.
  • the plate 29 comes in the mounted state above the horizontal portion 7b of the air duct 7 to lie.
  • the second part 28 comprises the portion 11c as well as a plate 31 which, like the portions 11a, 11c, is provided with latching fingers 14.
  • the plate 31 rests on the plate 29, and a pair of their locking fingers 14 passes through the slots 30 with play in the longitudinal direction thereof to engage in the undercut 10 of the portion 7b.
  • the length of the central portion of the cover 11 formed by the plates 29, 31 can be adapted to manufacturing tolerances of the inner container 1, so that in the other sections 11a, 11b the edge strips 15 are in contact with the inner container 1 over their entire length can.
  • 1 1 shows a vertical section through the boundary region of the portions 7a, 7b of the air duct 7 and 11 a, 11 b of the cover 1 1 according to a ninth embodiment of the invention.
  • a single film hinge 26 is a plurality of each other or with the sections 1 1a, 1 1 b connected via film hinges segments 32 which make the cover 11 between the sections 1 1a, 11 b over a length of several cm highly flexible ,
  • the cover can also closely and tightly nestle against a rounded transition region 33 between vertical and horizontal regions of the rear wall 4.
  • a correspondingly highly flexible section formed by a plurality of segments 32 can also be provided at the transition between the sections 7b, 7c or 11b, 11c.
  • the flexible portion formed by the segments 32 to be longer than bridging the rounded transition region 33 between the channel sections 7a, 7b and 7b, 7c, it is possible to extend the cover over its entire length beyond the boundaries of the channel sections 7a, 7b, 7c to move away and so compensate for dimensional tolerances of the inner container.

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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

L'invention concerne un appareil frigorifique, en particulier un appareil frigorifique ménager, comprenant un contenant intérieur (1) profondément embouti limitant une chambre d'entreposage, un canal d'air (7) formé dans une paroi (4) du contenant intérieur (1) et une couverture (11) séparant le canal d'air (7) de la chambre d'entreposage. Le canal d'air (7) présente sur au moins un flanc latéral (8) une contre-dépouille (10) dans laquelle s'insère dans la couverture (11).
PCT/EP2012/054653 2011-03-28 2012-03-16 Appareil frigorifique pourvu d'un canal d'air formé WO2012130637A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280015940.7A CN103477167B (zh) 2011-03-28 2012-03-16 具有成形上的空气通道的制冷器具
EP12710683.9A EP2691712B1 (fr) 2011-03-28 2012-03-16 Appareil frigorifique pourvu d'un canal d'air formé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011006256A DE102011006256A1 (de) 2011-03-28 2011-03-28 Kältegerät mit angeformtem Luftkanal
DE102011006256.4 2011-03-28

Publications (2)

Publication Number Publication Date
WO2012130637A2 true WO2012130637A2 (fr) 2012-10-04
WO2012130637A3 WO2012130637A3 (fr) 2013-05-02

Family

ID=45888184

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/054653 WO2012130637A2 (fr) 2011-03-28 2012-03-16 Appareil frigorifique pourvu d'un canal d'air formé

Country Status (4)

Country Link
EP (1) EP2691712B1 (fr)
CN (1) CN103477167B (fr)
DE (1) DE102011006256A1 (fr)
WO (1) WO2012130637A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015004025A1 (fr) * 2013-07-09 2015-01-15 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique comprenant un conduit d'air
US9976800B2 (en) 2015-06-26 2018-05-22 Bsh Hausgeraete Gmbh Refrigeration appliance with a pressure sensor
US12117233B2 (en) * 2020-03-11 2024-10-15 BSH Hausgeräte GmbH Refrigeration appliance having an air distributor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103822422B (zh) * 2014-03-17 2016-02-24 合肥华凌股份有限公司 冰箱
EP3109579B1 (fr) * 2015-06-26 2019-03-13 BSH Hausgeräte GmbH Appareil de refroidissement avec un senseur de pression
DE102016224610A1 (de) * 2016-12-09 2018-06-14 BSH Hausgeräte GmbH Haushaltskältegerät mit spezifischer Befestigung einer Abdeckplatte an einem Aufnahmeraum für Lebensmittel sowie Verfahren zur Montage einer derartigen Abdeckplatte
CH713416B1 (de) * 2018-06-06 2024-07-15 V Zug Ag Kühlgerät mit Befestigungsmechanismus für ein Bauteil im Nutzraum.
ES2740818B2 (es) * 2018-08-06 2021-01-20 Bsh Electrodomesticos Espana Sa Aparato refrigerador doméstico con un canal interior de distribución de aire refrigerado
DE102019216588A1 (de) * 2019-10-29 2021-04-29 BSH Hausgeräte GmbH Kältegerätevorrichtung und Kühl- und/oder Gefriergerät
CN112696860A (zh) * 2020-12-18 2021-04-23 合肥朗驰工业设计有限公司 一种冰箱冷冻回风道及其化霜控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3338218B2 (ja) * 1994-11-28 2002-10-28 三洋電機株式会社 冷凍冷蔵庫
JP2002130936A (ja) * 2000-10-20 2002-05-09 Fujitsu General Ltd 冷蔵庫
JP2002295948A (ja) * 2001-03-30 2002-10-09 Fujitsu General Ltd 電気冷蔵庫
EP2282147A1 (fr) * 2003-07-04 2011-02-09 Electrolux Home Products Corporation N.V. Congélateur bahut
DE102005021609A1 (de) * 2005-05-10 2006-11-23 BSH Bosch und Siemens Hausgeräte GmbH Kältegerätekorpus mit Luftkanal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015004025A1 (fr) * 2013-07-09 2015-01-15 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique comprenant un conduit d'air
CN105393072A (zh) * 2013-07-09 2016-03-09 Bsh家用电器有限公司 具有空气管道的冰箱
US9976800B2 (en) 2015-06-26 2018-05-22 Bsh Hausgeraete Gmbh Refrigeration appliance with a pressure sensor
US12117233B2 (en) * 2020-03-11 2024-10-15 BSH Hausgeräte GmbH Refrigeration appliance having an air distributor

Also Published As

Publication number Publication date
EP2691712B1 (fr) 2019-08-21
WO2012130637A3 (fr) 2013-05-02
EP2691712A2 (fr) 2014-02-05
CN103477167A (zh) 2013-12-25
CN103477167B (zh) 2016-01-20
DE102011006256A1 (de) 2012-10-04

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