EP2157385A2 - Évaporation d'eau de dégivrage pour la réduction de la consommation d'énergie - Google Patents

Évaporation d'eau de dégivrage pour la réduction de la consommation d'énergie Download PDF

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Publication number
EP2157385A2
EP2157385A2 EP09166795A EP09166795A EP2157385A2 EP 2157385 A2 EP2157385 A2 EP 2157385A2 EP 09166795 A EP09166795 A EP 09166795A EP 09166795 A EP09166795 A EP 09166795A EP 2157385 A2 EP2157385 A2 EP 2157385A2
Authority
EP
European Patent Office
Prior art keywords
condensation water
appliance according
refrigerating appliance
pipe section
wall
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Withdrawn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
EP09166795A
Other languages
German (de)
English (en)
Other versions
EP2157385A3 (fr
Inventor
Stefan Holzer
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2157385A2 publication Critical patent/EP2157385A2/fr
Publication of EP2157385A3 publication Critical patent/EP2157385A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • F25D2321/1412—Removal by evaporation using condenser heat or heat of desuperheaters
    • 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

Definitions

  • the present invention relates to a refrigeration appliance, in particular domestic refrigeration appliance, according to the preamble of claim 1.
  • Such a refrigerator is from the utility model DE 20 2004 021 113 U1 known.
  • This known refrigeration device has a compressor, a connected to an output of the compressor high pressure area and connected to an input of the compressor low pressure area and a collecting container for emerging from an interior condensate, wherein in the high pressure area a thermally coupled to the receptacle heat exchanger is incorporated.
  • the heat exchanger comprises a pipe through which a refrigerant flows, which pipe is either immersed in the collecting container or integrated into a side wall of the collecting container.
  • the object of the invention is therefore to provide a refrigeration device with condensation water tank, in which the evaporation of the condensation water is ensured even more efficient.
  • the object is achieved with a refrigerator with the features of claim 1.
  • the invention is based on the insight that the evaporation coldness of the defrosting water in the condensation water tank lowers the condenser temperature.
  • the invention has the surprising effect of not only supplying no additional energy must be to evaporate condensate, but even the energy consumption of the refrigerator is reduced.
  • the collecting container ie condensation water tank
  • the collecting container ie condensation water tank
  • the collecting container surprisingly also reduces the energy consumption when the condensation water tank is empty, because, for example, the condensation or condensed water has already completely evaporated. This is ensured by the fact that the good thermal conductivity of the collecting container causes heat to be radiated from the dry collecting container.
  • a good thermal conductivity of the collecting container is understood as meaning a thermal conductivity of from 1 to 200 W / mK, in particular from 10 to 100 W / mK .
  • the guidance of the pipe section of the condenser tube within at least one wall of the condensation water container protects the pipe section from corrosion.
  • the heat-conducting material of the condensation water tank which can also be referred to as an evaporation tank, selected from the group consisting of aluminum, Al-Mg alloy, graphite and highly thermally conductive plastics.
  • an evaporation tank selected from the group consisting of aluminum, Al-Mg alloy, graphite and highly thermally conductive plastics.
  • all other materials high heat conduction suitable for the formation of the walls of the condensation water which also ensure a long life of the condensation water with regard to corrosion and thermal expansion coefficient.
  • highly heat-conductive plastic this is preferably from the group of plastics provided with fillers, such as graphite powder, metal powder, in particular aluminum and copper or oriented carbon fibers, such as polypropylene, polystyrene or polyethylene.
  • fillers such as graphite powder, metal powder, in particular aluminum and copper or oriented carbon fibers, such as polypropylene, polystyrene or polyethylene.
  • Such highly heat-conducting plastics are known, for example, under the trade name CooIPoly from Intratron or under the trade name "Omegabond ( www.omega.de )."
  • CooIPoly from Intratron
  • Omegabond www.omega.de
  • the pipe section is guided through at least one side wall and / or a bottom wall of the evaporation tank.
  • This further increases the efficiency with which the evaporative cooling of the condensation water cools a refrigerant in the condenser tube.
  • the arrangement of the pipe section in the bottom wall ensures a high heat transfer rate from the pipe section to the condensation, since the condensation is located directly above the bottom wall.
  • the pipe section is guided in a meandering manner in the at least one wall. This increases the total distance that covers the pipe section in the condensation water tank and thus the heat transfer. The reduction of energy consumption is so high.
  • the wall thickness of the container is at least in places larger than 0.3 mm, in particular greater than 0.5 mm, preferably between 0.3 and 5 mm, particularly preferably between 2 and 3 mm.
  • This large thickness causes a high heat capacity of the walls, whereby the refrigerant can be withdrawn a lot of heat. This is especially the case when the condensation water tank is dry after evaporation of the condensation water.
  • the pipe section is poured into the walls, sprayed, pressed or glued.
  • a particularly intimate connection of the pipe section is achieved with the walls. This results in a particularly good heat transfer.
  • a forced ventilation such as by a fan, is provided in the vicinity of the condensation water container, which causes an air flow to be moved via the condensation water container.
  • This increases the evaporation rate of the dew water and thus increases the evaporation cold through the evaporating condensate.
  • a particularly efficient cooling of the refrigerant in the condenser tube is achieved by removing warm air in the immediate vicinity of the condensation water tank. This is especially because of the combination with the good Thermal conductivity of the material of the walls of the case.
  • the use of forced ventilation is particularly advantageous when the refrigerator already has an outdoor fan, so that no additional energy consumption is incurred to operate the forced ventilation.
  • Fig. 1 shows a schematic section through a section of a refrigerator according to the invention with evaporation tank.
  • the inventive refrigeration device 1 according to a in Fig. 1 shown embodiment includes cooled interior 2, which is surrounded by a heat-insulating housing 3.
  • a collecting groove 5 is formed, from which a at the lowest point of the collecting groove 5 connected Abtauwassertechnisch 6 from the interior 2 through a housing bottom wall 7 of the housing 3 leads to the outside.
  • the guided through the Abtauwassertechnisch 6 condensation water is passed into a condensation water container 8 according to the invention.
  • the condensation water container 8 is in this embodiment in a base region 9 below the housing 3, but may be arranged at any other suitable location outside the interior 2 depending on the design of the refrigerator 1.
  • the condensation water container 8 is constructed of good heat-conducting aluminum and has a bottom wall 10 and side walls 11, which have a wall thickness of 3 mm.
  • aluminum instead of aluminum, other highly thermally conductive metals or alloys, such as Al-Mg alloys are conceivable as a good heat conducting material for the condensation water tank.
  • thermally conductive plastics such as carbon fiber reinforced plastics, or graphite are preferred materials for the condensation water 8.
  • the refrigerator 1 has condenser tubes 12, which are arranged in this embodiment in a machine room 13 below the interior 2. However, they can also conventionally be arranged running on a rear side of the refrigeration device 1.
  • a pipe section 14 as a section of the condenser tubes 12 extends through walls of the condensation water tank 8. As indicated schematically, the pipe section 14 is at least partially guided in the side walls 11 and the bottom wall 10 of the condensation water 8. The pipe section 14 does not pass through the condensation water, but is guided by the remaining condenser tubes 12 in a side wall 11 and led out after feldanderartigem course through the bottom wall 10 of another side wall 11 and passes back to the remaining condenser 12th
  • the condenser tubes 12 are arranged to save space in the machine room 13 and therefore have only a small overall length. Therefore, a forced ventilation 15 is disposed in the immediate vicinity of the condenser 12, which leads to an increased air movement and thus to a discharge of air heated by the condenser tubes 12 with their warm refrigerant.
  • the air is sucked through a cooling air channel in the base region 9 of an area in front of the refrigeration device 1 through ventilation slots 16 and led out through an exhaust duct 17 from the base area.
  • the led out heated exhaust air is illustrated by arrows 18.
  • Cooling air duct and exhaust duct 17 are parallel to each other, so that in the Fig. 1 only the exhaust duct 17 is shown. Since a fan is already provided in this embodiment, its use for increased evaporation of condensate in the condensation water does not lead to increased energy consumption. On the contrary, a stronger evaporative cooling is achieved by the increased evaporation of the condensation water, whereby the refrigerant is cooled more strongly in the condenser tubes 12 and thus a lower energy consumption is achieved.
EP09166795A 2008-08-22 2009-07-30 Évaporation d'eau de dégivrage pour la réduction de la consommation d'énergie Withdrawn EP2157385A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810041481 DE102008041481A1 (de) 2008-08-22 2008-08-22 Ausnutzung der Verdunstungskälte zur Reduzierung des Energieverbrauchs

Publications (2)

Publication Number Publication Date
EP2157385A2 true EP2157385A2 (fr) 2010-02-24
EP2157385A3 EP2157385A3 (fr) 2011-04-27

Family

ID=41381683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09166795A Withdrawn EP2157385A3 (fr) 2008-08-22 2009-07-30 Évaporation d'eau de dégivrage pour la réduction de la consommation d'énergie

Country Status (2)

Country Link
EP (1) EP2157385A3 (fr)
DE (1) DE102008041481A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012139956A1 (fr) * 2011-04-14 2012-10-18 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'évaporation pour un appareil de froid
JP2012247140A (ja) * 2011-05-27 2012-12-13 Fukushima Industries Corp 冷蔵庫
EP2759790A3 (fr) * 2013-01-25 2016-11-02 LG Electronics, Inc. Salle de machine de réfrigérateur
EP2522937A3 (fr) * 2011-05-10 2016-12-21 BSH Hausgeräte GmbH Dispositif de vaporisation pour un appareil frigorifique encastrable ainsi qu'appareil frigorifique encastrable et procédé d'encastrement d'un appareil frigorifique encastrable
EP3213012A1 (fr) * 2014-10-29 2017-09-06 BSH Hausgeräte GmbH Appareil de froid comportant un élément échangeur de chaleur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012009692A1 (de) * 2012-05-01 2013-11-07 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8802861U1 (fr) * 1987-03-03 1988-04-21 N.V. Philips' Gloeilampenfabrieken, Eindhoven, Nl
US5551250A (en) * 1994-09-08 1996-09-03 Traulsen & Co. Inc. Freezer evaporator defrost system
JPH09264658A (ja) * 1996-03-29 1997-10-07 Fujitsu General Ltd 電気冷蔵庫
DE202004021113U1 (de) 2003-05-26 2006-10-05 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Tauwasserverdampfer
AT8933U1 (de) * 2005-12-20 2007-02-15 Acc Austria Gmbh Kältemittelkompressor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB721001A (en) * 1952-06-24 1954-12-29 Gen Electric Improvements in and relating to drain pans for refrigerating apparatus
DE1097458B (de) * 1959-02-02 1961-01-19 Searle Mfg Company Ltd Tropfschale fuer Gefriereinrichtung
US4497183A (en) * 1984-03-23 1985-02-05 General Electric Company Compressor auxiliary condenser arrangement adapted to be mounted in a refrigerator machinery compartment
DE3735551C1 (de) * 1987-10-21 1988-12-15 Loh Kg Rittal Werk Vorrichtung zum Entfernen von Tauwasser aus einem kompressorbetriebenen Kuehlgeraet
DE102005043355A1 (de) * 2005-09-12 2007-03-15 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Tauwasserverdunster dafür

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8802861U1 (fr) * 1987-03-03 1988-04-21 N.V. Philips' Gloeilampenfabrieken, Eindhoven, Nl
US5551250A (en) * 1994-09-08 1996-09-03 Traulsen & Co. Inc. Freezer evaporator defrost system
JPH09264658A (ja) * 1996-03-29 1997-10-07 Fujitsu General Ltd 電気冷蔵庫
DE202004021113U1 (de) 2003-05-26 2006-10-05 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Tauwasserverdampfer
AT8933U1 (de) * 2005-12-20 2007-02-15 Acc Austria Gmbh Kältemittelkompressor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012139956A1 (fr) * 2011-04-14 2012-10-18 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'évaporation pour un appareil de froid
EP2522937A3 (fr) * 2011-05-10 2016-12-21 BSH Hausgeräte GmbH Dispositif de vaporisation pour un appareil frigorifique encastrable ainsi qu'appareil frigorifique encastrable et procédé d'encastrement d'un appareil frigorifique encastrable
JP2012247140A (ja) * 2011-05-27 2012-12-13 Fukushima Industries Corp 冷蔵庫
EP2759790A3 (fr) * 2013-01-25 2016-11-02 LG Electronics, Inc. Salle de machine de réfrigérateur
EP3213012A1 (fr) * 2014-10-29 2017-09-06 BSH Hausgeräte GmbH Appareil de froid comportant un élément échangeur de chaleur

Also Published As

Publication number Publication date
EP2157385A3 (fr) 2011-04-27
DE102008041481A1 (de) 2010-02-25

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