EP2567163A1 - Kältegerät mit umluftkühlung - Google Patents
Kältegerät mit umluftkühlungInfo
- Publication number
- EP2567163A1 EP2567163A1 EP11712572A EP11712572A EP2567163A1 EP 2567163 A1 EP2567163 A1 EP 2567163A1 EP 11712572 A EP11712572 A EP 11712572A EP 11712572 A EP11712572 A EP 11712572A EP 2567163 A1 EP2567163 A1 EP 2567163A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- intermediate wall
- refrigerating appliance
- appliance according
- channel
- outlet openings
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 description 14
- 238000005057 refrigeration Methods 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000012720 thermal barrier coating Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
-
- 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
- F25D23/069—Cooling space dividing partitions
-
- 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
- F25D2317/061—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 through special compartments
-
- 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
- F25D2317/066—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 the air supply
- F25D2317/0665—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 the air supply from the top
-
- 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 refrigerator, in particular a household refrigerator, with a cooled by circulation of cold air interior, by a
- Partition is divided into at least two compartments. Such a subdivision offers the possibility of maintaining different storage temperatures in them by means of a suitable division of the cold air onto the compartments and thus, for example, a
- a refrigerator of this type is known, for example, from DE 10 2008 010 520 A1.
- a part of a channel, via which a lower compartment is supplied with cold air extends in an intermediate wall between the upper and lower compartment.
- the intermediate wall comprises a heat-insulating upper plate and a partition wall mounted at a distance below the plate, which together with the upper plate delimits the cold air duct and has a plurality of air outlet openings in its region near the rear wall. Air exiting these openings creates a door-directed airflow within the lower compartment, and the air heated in the compartment flows out through a channel extending in the door.
- the object of the present invention is to provide a refrigerator with a divided interior, in which the cooling power required to achieve a given setpoint temperature in the lower compartment is reduced.
- the object is achieved by, in a refrigerator having a body and a door defining an interior, which is divided by at least one partition in at least one upper and a lower compartment, of which the lower by a in the rear wall of the body and in the partition wall guided, opening into the lower compartment air outlet openings channel having cold air can be acted upon, the Air outlet openings are arranged predominantly in a front region of the intermediate wall. A rear area of the compartment is thus largely cut off from the cold air circulation. It turns out, however, that this does not have to lead to a heating of the rear area of the compartment above the temperature prevailing in the front area.
- the most important way in which heat penetrates into the interior of the refrigeration device is a seal between the door and the body. To those on this path
- Air outlet openings in the front area of the intermediate wall Sufficient cooling of the rear area is surprisingly by a not on
- Air circulation based heat flux for example, within the compartment between the front and rear area or between the rear of the compartment and the channel through the channel defining walls, achieved.
- Such cooling over the walls of the channel is particularly relevant when a portion of the channel in the back wall crosses the lower compartment.
- air outlet openings can be arranged in succession in the front region of the intermediate wall.
- Air outlet openings may be arranged on the front side of the intermediate wall. This makes it possible to indirectly influence the temperature distribution in the lower compartment by also tempering an overlying area of the interior. Further downstream air outlet openings are preferably arranged on the underside of the intermediate wall.
- the opening cross section of the air outlet openings is preferably at least in
- Part of the body but inserted in these is important for a lossless or at least to provide low-loss transition of the cold air between the running in the rear wall section.
- a labyrinth seal is preferably provided between the two sections.
- This labyrinth seal may in particular comprise a back-side nozzle which engages in the section running in the intermediate wall. Even if there is no direct, the channel tightly closing contact between the nozzle and the intermediate wall, a cold air loss through the labyrinth seal through the
- a simple way to realize the nozzle is to form it integrally on a cover that separates the running in the rear wall portion of the channel from the interior.
- this thermal barrier coating is located in a rear area of the intermediate wall which is free from air outlet openings, whereas the front area in which the air outlet openings are located does not need such an insulating layer.
- Outlet openings of the channel preferably distributed over the width of the intermediate wall.
- the portion of the channel extending in the intermediate wall may have a small-section, near-the-back, upstream section and a large-section downstream section near the door. This also helps to reduce the cooling in a rear area of the lower compartment and to reinforce it in a front area and thus to reduce temperature gradient in the compartment.
- the Different cross-sections are advantageously realized in the plane on its outer sides partition with the aid of the above-mentioned thermal barrier coating.
- a shell housed in the lower compartment which can be charged with cold air preferably overhangs a front edge of the partition so that a user can at least partially see the contents of the shell without having to pull it out from under the partition.
- Outlet opening of the channel can be arranged at a front edge of the intermediate wall
- this lid is transparent to allow the user insight into the contents of the shell without having to open the lid.
- the lid may be movably coupled to the tray to release access to the tray as it is being pulled forward.
- Fig. 1 is a vertical partial section through a refrigerator according to a first
- Fig. 2 is a similar to Fig. 1 section according to a second embodiment of the
- Fig. 3 is a horizontal section through the intermediate wall of the refrigerator.
- Fig. 1 shows in a schematic section along a vertical sectional plane parts of a refrigerator according to a first embodiment of the invention. It is a matter of a no-frost household refrigerator with a heat-insulating body, of which a piece of the rear wall 1 is shown in the figure, and a (not shown) door, which together define an inner space 2 and with a likewise not shown, in a lower region of the Carcass accommodated evaporator chamber from which extends a cold air duct 3 in the rear wall 1 upwards.
- a mounted in the interior 2 horizontal partition wall 4 divides the interior 2 in a cold storage compartment 5 below the partition 4 and a normal refrigeration compartment 6 above the partition 4. Sections of the cold air duct 3, each at the level of
- a nozzle 1 1 is integrally formed, in the horizontal
- Channel section 9 engages. Even if the nozzle 1 1 is not connected on its entire circumference close to the walls of the channel section 9, it causes a low-loss transition of cold air from the vertical channel section 7 in the horizontal
- the cover 10 has a the interior 2 facing thin-walled shell 13, which may be drawn or injection molded from solid plastic.
- An inner side of the shell 13 is provided with an insulating foam layer 14, for example of expanded polystyrene.
- the foam layer 14 damps a direct heat flow through the cover 10 from the cold storage compartment 5 to the circulating in the channel section 7 cold air.
- the hollow partition wall 4 has a solid outer shell 15, which is fully expanded on its upper side with a plate 16 of Polystyrene lined, and a plate 17 of the same material extends at the bottom of the intermediate wall 4 over its entire width, starting from a rear edge 18 at least over half the depth of the intermediate wall 4.
- a front portion 19 of the bottom has no heat-insulating lining.
- openings 21 can escape through the cold air from the channel section 9 in the cold storage compartment 5 and a shell 22 arranged therein pulled out.
- a large free cross section of the channel portion 9 at the level of the front portion 19 causes the cold air long dwells in the front region of the channel portion 9 before it exits through the openings 21, so that their temperature before exiting the cold storage compartment 5 to the can adjust in it prevailing temperature.
- the air is thus already preheated by the openings 21 at the moment of their escape. The cold air can therefore with a very low
- the shell 22 is shown in Fig. 1 in a fully inserted into the cold storage compartment 5 stop position.
- a front plate 23 of the shell 22 is clearly over the front side 20 of the intermediate wall 4 forward over.
- a narrow, over the entire width of the shell 22 extending cover 24 is pivotally mounted on the end face 20 and bridges the gap between the end face 20 and the upper edge of the front panel 23.
- the cover 24 is made of a clear plastic, so that a user Through it, the contents of the shell 22 can recognize him.
- the cover 24 prevents an inflow of hot air from the normal refrigeration compartment 6 or from the front panel 23 closely adjacent door seals forth.
- At the lateral edges of the lid 24 each have a pivot arm 25 is formed. The pivot arms 25 act when pulling out of the shell 22 each with a
- Stepped contour 26 together at the upper edges of their side walls, so that when the shell 22 is pulled out, the lid 24 folds up and the access to the interior of the shell 22 releases.
- Air outlet openings 27 on the end face 20 of the intermediate wall 4 respectively generate forwardly directed air streams 28, which, when the lid 24 in the closed Position, be deflected at him down and rinse a front portion of the shell 22.
- FIG. 2 shows a second section, analogous to FIG. 1, through a refrigeration device according to the invention.
- the cold air duct 3 according to this embodiment differs from that of Fig. 1 only by the absence of the air outlet openings 27 on the end face 20 of the intermediate wall 4.
- the contour of the upper edges of the side walls of the retractable from the cold storage compartment 5 shell 22 is shaped here such that Beginning of an extraction movement on the side walls of the body mounted wheels 29 are rotated by the upper edges of the shell 22 in rotation and thereby withdraw an overlying, in cross-section L-shaped cover 30.
- the retraction movement of the lid 30 ends when a vertical leading edge 31 of the lid 30 abuts the wheels 29 and these lose contact with the side wall of the shell 22.
- the lid 24 is retracted until it is substantially completely hidden under the partition 4.
- the contact with the wheels 29 is re-established, and the cover is extended again to the position shown.
- Fig. 3 shows a horizontal section through the intermediate wall 4 of the embodiment of Fig. 1.
- a corresponding section in the case of the embodiment of Fig. 2 would differ from that of Fig. 3 only by the absence of the air outlet openings 27 in the end face 20 and is therefore not shown separately.
- Fig. 3 is clearly a deep-drawn inner container 32 can be seen, which surrounds the interior 2 on three sides and separated from an insulating foam layer 33 of the body.
- the vertical sections 7, 8 of the cold air duct extend in a flat
- the recess 34 also the
- the free cross-sectional area of the channel portion 9 increases from the nozzle 1 1 to the end 20 towards strong, on the one hand in that the polystyrene plate 17, which limits the height of the channel portion 9 and opposite him isolated the underlying cold storage compartment 5, ends at an edge 36, on the other hand in that the width of the branches 35 increases from back to front, until the
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
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010028525A DE102010028525A1 (de) | 2010-05-04 | 2010-05-04 | Kältegerät mit Umluftkühlung |
| PCT/EP2011/055399 WO2011138115A1 (de) | 2010-05-04 | 2011-04-07 | Kältegerät mit umluftkühlung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2567163A1 true EP2567163A1 (de) | 2013-03-13 |
| EP2567163B1 EP2567163B1 (de) | 2019-11-06 |
Family
ID=44486936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11712572.4A Active EP2567163B1 (de) | 2010-05-04 | 2011-04-07 | Kältegerät mit umluftkühlung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2567163B1 (de) |
| CN (1) | CN102884385B (de) |
| DE (1) | DE102010028525A1 (de) |
| RU (1) | RU2520125C1 (de) |
| WO (1) | WO2011138115A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251587B (zh) * | 2013-06-26 | 2018-08-17 | 博西华电器(江苏)有限公司 | 冰箱 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960001981B1 (ko) * | 1992-09-23 | 1996-02-08 | 삼성전자주식회사 | 김치실이 구비된 냉장고 |
| KR100203984B1 (ko) | 1995-06-16 | 1999-06-15 | 전주범 | 냉장고의 냉기분산장치 |
| JPH10300314A (ja) * | 1997-04-18 | 1998-11-13 | Samsung Electron Co Ltd | 冷気吐出口の開閉装置を備えた冷蔵庫 |
| KR100234115B1 (ko) * | 1997-07-24 | 2000-07-01 | 윤종용 | 냉기분배장치를 갖는 냉장고 및 냉장고의 제어방법 |
| KR20000009637U (ko) * | 1998-11-09 | 2000-06-05 | 전주범 | 냉장고의 에어커텐 장치 |
| JP3522726B2 (ja) * | 1999-10-20 | 2004-04-26 | デーウー・エレクトロニクス・コーポレイション | 冷蔵庫用冷却空気循環システム |
| US6434954B1 (en) | 2000-05-04 | 2002-08-20 | Qualmark Corporation | Air circulation system for a chamber |
| JP2002107038A (ja) * | 2000-09-29 | 2002-04-10 | Fujitsu General Ltd | 電気冷蔵庫 |
| DE10143242A1 (de) * | 2001-09-04 | 2003-03-20 | Bsh Bosch Siemens Hausgeraete | Kältegerät mit Kühlluftzirkulation |
| NZ534444A (de) * | 2002-02-22 | 2006-02-24 | Multibras S | |
| CN1213265C (zh) * | 2002-08-19 | 2005-08-03 | 乐金电子(天津)电器有限公司 | 一种带有软冷冻保鲜室的电冰箱 |
| US7685027B2 (en) | 2003-12-04 | 2010-03-23 | International Business Machines Corporation | Method and system for enterprise-wide migration |
| DE102008010520A1 (de) | 2008-02-22 | 2009-09-03 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit Umluftkühlung |
| DE102008042788A1 (de) | 2008-10-13 | 2010-04-15 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit Latentwärmespeicher |
-
2010
- 2010-05-04 DE DE102010028525A patent/DE102010028525A1/de not_active Withdrawn
-
2011
- 2011-04-07 CN CN201180022346.6A patent/CN102884385B/zh not_active Expired - Fee Related
- 2011-04-07 EP EP11712572.4A patent/EP2567163B1/de active Active
- 2011-04-07 WO PCT/EP2011/055399 patent/WO2011138115A1/de not_active Ceased
- 2011-04-07 RU RU2012147337/13A patent/RU2520125C1/ru active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011138115A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102884385B (zh) | 2016-02-24 |
| DE102010028525A1 (de) | 2011-11-10 |
| EP2567163B1 (de) | 2019-11-06 |
| CN102884385A (zh) | 2013-01-16 |
| RU2520125C1 (ru) | 2014-06-20 |
| RU2012147337A (ru) | 2014-06-20 |
| WO2011138115A1 (de) | 2011-11-10 |
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