EP2697578B1 - Kältegerät mit verdunstungsschale - Google Patents

Kältegerät mit verdunstungsschale Download PDF

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Publication number
EP2697578B1
EP2697578B1 EP12715033.2A EP12715033A EP2697578B1 EP 2697578 B1 EP2697578 B1 EP 2697578B1 EP 12715033 A EP12715033 A EP 12715033A EP 2697578 B1 EP2697578 B1 EP 2697578B1
Authority
EP
European Patent Office
Prior art keywords
evaporation
refrigeration device
cooling air
condenser
ventilator
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.)
Not-in-force
Application number
EP12715033.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2697578A1 (de
Inventor
Oscar De la Rosa
Frank Cifrodelli
Niels Liengaard
Sebastian Rau
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2697578A1 publication Critical patent/EP2697578A1/de
Application granted granted Critical
Publication of EP2697578B1 publication Critical patent/EP2697578B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141—Removal by evaporation
    • F25D2321/1411—Removal by evaporation using compressor heat
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/144—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans
    • F25D2321/1442—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans outside a refrigerator
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0022—Details for cooling refrigerating machinery using multiple air flows
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0026—Details for cooling refrigerating machinery characterised by the incoming air flow
    • F25D2323/00266—Details for cooling refrigerating machinery characterised by the incoming air flow through the bottom

Definitions

  • the present invention relates to a refrigerator, in particular a household refrigerator, with a machine room and a mounted in the machine room on a compressor evaporation tray.
  • a refrigeration appliance is understood in particular to be a household refrigeration appliance, that is to say a refrigeration appliance used for household purposes or possibly even in the gastronomy sector, and in particular for storing food and / or beverages in household quantities at specific temperatures, such as, for example, a refrigerator, a freezer , a fridge freezer, a freezer or a wine storage cabinet.
  • Moisture from a storage chamber of such a refrigerator condenses in the course of operation on a cooling the storage chamber evaporator. If the evaporator heats up to more than 0 ° C between two operating phases, the condensate can flow off the evaporator; it is then collected in a gutter extending below the evaporator and drained from the refrigerator. In order to eliminate the drained condensate, it is customary to mount the evaporation tray on a compressor in a machine room arranged at the rear of the refrigerating appliance, so that the waste heat from the compressor heats the condensate and promotes its evaporation.
  • JP2002-350035 A discloses a machine room in which at the bottom a compressor, on the compressor an evaporation tray and above the evaporation tray a condenser are arranged. At the side of the evaporation tray is a fan arranged to blow air over the evaporation tray. The space below the fan remains unused. The engine room therefore takes up a lot of space and would result in an unfavorable ratio of device dimensions to usable refrigerator volume in a domestic refrigeration appliance.
  • JP 2000-111235 A shows a machine room of a refrigerator with a compressor, arranged on the compressor evaporation tray and a fan, which is located below the evaporation tray, next to the compressor.
  • the fan blows air in a horizontal direction against the compressor and against a sloping wall, which deflects the airflow upwards. Before this air can pass over the evaporation tray, it is deflected a second time on the ceiling of the engine room.
  • the sharper the direction changes, the weaker is the proportion of fan-driven airflow that reaches the evaporation tray, and the lower the evaporation.
  • JP 11 132633 A shows a machine room of a refrigerator in which a fan is arranged on a condenser to blow cooling air down into the condenser.
  • Object of the present invention is to provide a refrigeration device in which in a compact engine room efficient evaporation of condensation can be guaranteed.
  • the object is achieved by a refrigeration device with the features of claim 1.
  • the fan thus ensures even in confined spaces for a sufficient exchange of air between the space above the evaporation tray and the environment of the refrigerator and thus for a quick removal of water vapor from the engine room. In this way, efficient evaporation can be ensured despite the limited space available in a compact machine room.
  • a condenser is preferably located in the cooling air path upstream of the evaporation section so that the cooling air heats up on its way to the condenser before reaching the evaporation section. In this way, the two main heat sources of the refrigerator are fully exploited to promote evaporation.
  • the fan is mounted on the condenser.
  • the fan and the condenser form a structural unit which can be inserted in the machine room in the assembled state.
  • a suction opening for the cooling air is preferably formed on an underside of the condenser.
  • An outlet opening of the fan is preferably located at the level of the evaporation tray, so that a substantial portion of the air blown out by the fan sweeps over the water level of the evaporation tray, even if the cooling air path between the fan and the evaporation tray is not closed all around.
  • a wall the evaporation section to a back of the Refrigerating device limited.
  • a wall may in particular be formed integrally with the evaporation tray.
  • Fig. 1 shows a plan view of the back of the body 1 of a household refrigerator according to the invention.
  • a door not shown here is articulated in the usual way, which limits together with the body 1 a storage chamber for refrigerated goods.
  • a machine room 2 At the back of the body 1 is in Close to the ground in a manner known per se, a machine room 2, in which a compressor 4 and in an assembly 5 is mounted on extending near the bottom horizontal support rails 3.
  • the assembly 5 contains, as in Fig. 2 to see, in a tubular, top and bottom open housing 8 a condenser 6 and a fan 7.
  • the condenser 6 and the fan 7 are inserted from below or above in the housing 8, and the pre-assembled in this way assembly is in the Engine room 2 inserted over the open back.
  • the fan 7 is arranged with a vertical axis to drive a directed against the ceiling of the engine room air flow through the housing 8.
  • An exhaust opening 9 at the upper end of the housing 8 may be to the back of the body 1 through a in Fig. 1 dashed cover plate 10 may be shielded to deflect the fan 7 sucked through the condenser 6 through cooling air sideways, in the direction of an evaporation tray 11.
  • the evaporation tray 11 is mounted on the compressor 4 in direct heat-conducting contact therewith.
  • An upper edge 12 of the evaporation tray 11 is located on one of the assembly 5 facing side of the evaporation tray 11 and at the opposite side each approximately at the level of the exhaust opening 9 to the flow of cooling air from the exhaust opening 9 in an evaporation section 13, the down through the level of the water 14 is limited in the evaporation tray 11 and up through the ceiling 15 of the engine room 2, not to be affected.
  • Fig. 3 can be seen, extending to the rear wall of the body 1 adjacent side wall 16 of the evaporation tray 11 to just below the ceiling 15 to carry the flow of air in the evaporation section 13 loss.
  • the ceiling 15 above the evaporation tray 11 may have a downward projection 17 in order to increase the flow velocity of the air above the water level and thus to more effective evaporation.
  • the cross section of the Fig. 3 shows a portion of the storage chamber 18 of the refrigerator and arranged on the rear wall of this storage chamber 18 evaporator 19.
  • a formed at the bottom of the evaporator condensate collecting channel 20 is connected via a drain pipe 21 to the evaporation tray 11.
  • the compressor 4 is not directly cooled by the cooling air driven by the fan 7.
  • the air flow of the fan cools the water 14 and thus can absorb more heat from the compressor.
  • heated air can ascend at best in the gap 23 between the rear wall and building wall 22 and is co-flushed there by the cooling air flow.
  • a gap 24 is kept free, through which a part of the air expelled from the fan 7 can bypass the evaporation section 13 and instead flows around the side walls of the compressor 4.
  • the distribution of the air between the gap 24 and the evaporation section 13 can be determined by their free cross sections, the height of the fan 7 facing edge 12 of the evaporation tray 11, etc. according to the needs of the compressor 4 for direct cooling.
  • Fig. 5 shows in one too Fig. 1 analog view of a third embodiment of the refrigerator according to the invention.
  • the engine room 2 is completely closed in this embodiment to the rear by a vertical plate, which is not shown, however, to show the components inside the engine room 2 can.
  • the fan 7 of the assembly 5 sucks in cooling air via a channel 25 extending under the bearing chamber to the front of the body 1 and drives it through the evaporation section 13 to the side of the engine room 2 opposite the assembly 5. There, the cooling air is deflected downwards and flows around the side walls of the compressor 4 on its way to a second below the storage chamber 18 to the front of the body 1 extending channel 26.

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)
  • Removal Of Water From Condensation And Defrosting (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP12715033.2A 2011-04-14 2012-04-04 Kältegerät mit verdunstungsschale Not-in-force EP2697578B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110007412 DE102011007412A1 (de) 2011-04-14 2011-04-14 Kältegerät mit Verdunstungsschale
PCT/EP2012/056174 WO2012139952A1 (de) 2011-04-14 2012-04-04 Kältegerät mit verdunstungsschale

Publications (2)

Publication Number Publication Date
EP2697578A1 EP2697578A1 (de) 2014-02-19
EP2697578B1 true EP2697578B1 (de) 2016-08-24

Family

ID=45976338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12715033.2A Not-in-force EP2697578B1 (de) 2011-04-14 2012-04-04 Kältegerät mit verdunstungsschale

Country Status (5)

Country Link
EP (1) EP2697578B1 (zh)
CN (1) CN103649657B (zh)
DE (1) DE102011007412A1 (zh)
RU (1) RU2013146224A (zh)
WO (1) WO2012139952A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6230294B2 (ja) * 2013-06-25 2017-11-15 東芝ライフスタイル株式会社 冷蔵庫
JP6448919B2 (ja) * 2014-05-30 2019-01-09 東芝ライフスタイル株式会社 冷蔵庫
CN107024067B (zh) * 2017-05-31 2019-09-13 长虹美菱股份有限公司 一种散热风道系统
JP2020070953A (ja) * 2018-10-30 2020-05-07 日本電産株式会社 冷却システム
JP7369434B2 (ja) * 2019-09-11 2023-10-26 アクア株式会社 冷蔵庫
DE102020205750A1 (de) 2020-05-07 2021-11-11 BSH Hausgeräte GmbH Wärmetauscheranordnung für ein Kältegerät und Kältegerät

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11132633A (ja) * 1997-10-24 1999-05-21 Sharp Corp 電気冷蔵庫
JP3757643B2 (ja) * 1998-10-02 2006-03-22 株式会社日立製作所 冷蔵庫
JP4197562B2 (ja) * 1999-07-13 2008-12-17 中野冷機株式会社 冷凍機内蔵型ショーケースのドレン蒸発構造
JP4428498B2 (ja) * 2001-05-25 2010-03-10 ホシザキ電機株式会社 貯蔵庫における除霜水の蒸発排気構造
JP2006138609A (ja) * 2004-11-15 2006-06-01 Toshiba Corp 冷蔵庫
JP4697970B2 (ja) * 2006-04-20 2011-06-08 福島工業株式会社 米保冷庫
CN201262505Y (zh) * 2008-03-24 2009-06-24 海信科龙电器股份有限公司 一种自动蒸发冷凝水装置
CN201363986Y (zh) * 2009-01-16 2009-12-16 陈善荣 葡萄酒储藏柜
CN201748738U (zh) * 2010-07-15 2011-02-16 青岛澳柯玛股份有限公司 一种冷藏箱冷凝水蒸发装置

Also Published As

Publication number Publication date
CN103649657B (zh) 2015-12-23
RU2013146224A (ru) 2015-05-20
EP2697578A1 (de) 2014-02-19
WO2012139952A1 (de) 2012-10-18
DE102011007412A1 (de) 2012-10-18
CN103649657A (zh) 2014-03-19

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