EP1845322A2 - Appareil de réfrigération et/ou de refroidissement - Google Patents

Appareil de réfrigération et/ou de refroidissement Download PDF

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Publication number
EP1845322A2
EP1845322A2 EP07007541A EP07007541A EP1845322A2 EP 1845322 A2 EP1845322 A2 EP 1845322A2 EP 07007541 A EP07007541 A EP 07007541A EP 07007541 A EP07007541 A EP 07007541A EP 1845322 A2 EP1845322 A2 EP 1845322A2
Authority
EP
European Patent Office
Prior art keywords
freezer
cooling
compressor
freezing
compartment
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
Application number
EP07007541A
Other languages
German (de)
English (en)
Other versions
EP1845322A3 (fr
EP1845322B1 (fr
Inventor
Wilfried King
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 EP1845322A2 publication Critical patent/EP1845322A2/fr
Publication of EP1845322A3 publication Critical patent/EP1845322A3/fr
Application granted granted Critical
Publication of EP1845322B1 publication Critical patent/EP1845322B1/fr
Expired - Fee Related 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
    • 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
    • F25D17/065—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 with compartments at different temperatures
    • 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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • 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
    • F25D2323/00264—Details for cooling refrigerating machinery characterised by the incoming air flow through the front bottom part
    • 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
    • F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00272—Details for cooling refrigerating machinery characterised by the out-flowing air from the back top

Definitions

  • the present invention relates to a refrigerator and / or freezer with at least one refrigerant circuit, which has at least one arranged at a medium height of the device compressor for compressing refrigerant and at least one evaporator for evaporating the refrigerant.
  • the compressor forms part of the refrigerant circuit and has the task to compress by evaporation of heat in the evaporator vaporized coolant and fed to the condenser, in which it passes through heat to the environment back to the liquid state.
  • the compressor In conventional refrigerators and / or freezers, the compressor is located in a lower portion of the device, which has the disadvantage that a portion of the freezer compartment or other compartment of the device located there can only be designed with reduced depth. Cooling or freezing devices are also known from the prior art, in which the compressor is arranged above and / or in the middle height of the device.
  • the object of the present invention is to further improve a refrigerator and / or freezer of the type mentioned.
  • no-frost evaporators are units through which air is preferably passed through fans. The air cooled in this way is then supplied to the space to be cooled or distributed in the space to be cooled. When cooling the air, the existing humidity on the evaporator is reflected. A heater on or in the evaporator ensures that the resulting ice is thawed as needed or at regular intervals.
  • An advantage of the no-frost freezer is that a lengthy manual defrosting process can be eliminated. The cleaning of the device is easily possible because there is no or hardly any ice in the freezer compartment.
  • the compressor is in this embodiment of the invention in medium height, it is possible to run a freezer arranged below completely over the full depth of the device and to arrange in the freezer compartment said no-frost evaporator.
  • the invention further relates to a refrigerator and / or freezer with at least one refrigerant circuit having at least one compressor for compressing refrigerant and at least one evaporator for evaporating the refrigerant.
  • the apparatus further comprises a divided into at least two compartments cooling or freezing space for receiving the goods to be cooled or the frozen food, wherein the compressor is disposed between two of the compartments.
  • at least one of the compartments is a freezer and that the evaporator cooling the freezer is designed as a no-frost evaporator.
  • the compressor is arranged above the freezer part.
  • the evaporator is arranged vertically or horizontally in the freezer compartment. It is conceivable, for example, that one, two or more than two drawers are arranged in the freezer compartment, and that in the area behind the drawers the no-frost evaporator is arranged vertically. This can extend as needed over the entire height of the freezer or even over a partial area. In principle, it is also conceivable to accommodate the no-frost evaporator not directly in the freezer compartment but in a compartment delimited therefrom, which is in flow communication with the freezer compartment, so that the cold air can be supplied to the freezer compartment.
  • a horizontal arrangement of the evaporator is conceivable in which the evaporator is preferably located on the ceiling of the freezer.
  • the freezer gets a greater usable depth.
  • the freezer part in the freezer part, one, two or more than two drawers are accommodated, wherein the two or more than two drawers can have the same depth.
  • the invention also includes an embodiment in which the two or more than two drawers have a different depth from each other.
  • the compressor is arranged such that it is set back relative to the front of the device and that in the area in front of the compressor, a compartment is arranged. It is also conceivable that the compressor is offset from the center of the device to the side and that in the area next to the compressor, a compartment is arranged. In this Compartment or these compartments may be, for example, one or more cold storage compartments or a vegetable compartment or normal cold storage.
  • the device has at least one cooling part and at least one freezer part.
  • the cooling part for example, above and the freezer compartment, for example, be arranged below.
  • deviating configurations are also conceivable.
  • a container for receiving condensation water that is a thawing shell or an evaporation tray can be located, which receives condensation, which accumulates during operation of the device or defrosting one or more compartments of the device.
  • a channel through which air flows is provided, which extends partly below and partly behind the device.
  • the channel may have a horizontal, located below the device section which has an arranged on the front side of the device inlet port.
  • the channel may further comprise a vertical portion extending behind the device and having an outlet opening disposed at the top.
  • the at least one evaporation tray and at least one condenser of the refrigerant circuit is arranged.
  • the air flowing through the evaporation tray absorbs moisture and is finally heated during the flow around the condenser, before it leaves the said channel again and flows into the room air.
  • An arrangement is also conceivable in which the air is first heated at the condenser and then passed past the evaporation tray.
  • FIG. 1 shows the refrigerator and freezer 10 according to the invention in a longitudinal sectional view.
  • the device 10 has a cooling unit 14 arranged at the top and a freezer compartment 12 arranged at the bottom. Between these two compartments 12, 14 is located in the rear region of the device, the compressor 20, which is also offset from the device center to the side, as can be seen from the rear view of FIG.
  • a compartment which is, for example, a cold storage compartment or vegetable compartment 13.
  • the cold storage compartment / vegetable compartment 13 can be separated from the refrigerating section 14 by a horizontal intermediate bottom 11.
  • freezer drawers 16 In the freezer compartment 12 arranged at the bottom there are two freezer drawers 16 of the same depth, which can be pulled out or removed from the freezer compartment 12 as required.
  • the no-frost evaporator 30 In the freezer compartment is further the no-frost evaporator 30, which is vertical, that is, standing executed. Above the evaporator 30, a fan is indicated, which ensures a uniform distribution of the cooled air in the freezer compartment 12 and for a flow through the evaporator 30.
  • the no-frost evaporator 30 may be, for example, a finned evaporator, through which the air is guided by means of said fan becomes. The humidity present in the air is reflected as frost on the evaporator 30.
  • a heater on or in the evaporator 30 causes the ice formed on the evaporator 30 to be defrosted when needed or after a certain period of time. The ice then passes through the condensation water line 21 shown in the located below the device thawing shell 40.
  • the cooling part 14 has a condensation pipe 22, which is also arranged such that the effluent condensate enters the evaporation tray 40.
  • the evaporator of the cooling part 14 is designated by the reference numeral 160.
  • the thawing shell 40 is located in the channel 50, which has a horizontally extending portion 52 and a vertically extending portion 54, which communicate with each other.
  • the air enters the section 52 and is then passed over the evaporation tray 40, wherein the evaporated water is entrained by the flowing air.
  • the air then passes over the, for example, freely suspended or foamed vertical condenser 60 of the apparatus and then through the outlet opening 55, which is located in an upper area of a furniture change 100, as shown in FIG.
  • the evaporation tray 40 may be heated or in communication with a portion of the condenser 60, which has the advantage that the water therein evaporates faster.
  • the device is located in a furniture conversion 100, which consists of a base plate 110, a rear wall 120 and a cover plate 130.
  • the bottom plate 110 and the cover plate 130 are arranged horizontally and parallel to each other.
  • the rear wall 120 is vertical. Between the upper end portion of the rear wall 120 and the cover plate 130 or in the cover plate is the outlet opening 55 already described above, via which the air heated at the condenser 60 and laden with moisture from the evaporation tray 30 exits the channel 50.
  • FIG. 2 shows a longitudinal sectional view through a cooling device in a further embodiment of the invention, wherein the same or functionally identical parts of the device according to Figure 2 are provided with the same reference numerals as in Figure 1.
  • the cooling device 100 has a top cooling part 140, a freezer arranged below 180th and a cold storage compartment 170 therebetween.
  • the cold storage compartment 170 is separated from the refrigeration section 140 by the heat insulation plate 135 shown hatched.
  • In the rear region of the refrigerator compartment 140 is a separated from this by a vertical wall cooling air passage 150. Through this air is conveyed by means of the fan shown at its upper end from top to bottom through the cooling air passage 150 and cooled therein by the evaporator 160.
  • the cooled air then enters the cold storage compartment 170, flows through it and then passes through a gap between the plate 135 and the door again in the above-arranged cooling member 140th

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)
  • Defrosting Systems (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP20070007541 2006-04-13 2007-04-12 Appareil de réfrigération et/ou de refroidissement Expired - Fee Related EP1845322B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006006071 2006-04-13
DE202006019471U DE202006019471U1 (de) 2006-04-13 2006-12-27 Kühl- und/oder Gefriergerät

Publications (3)

Publication Number Publication Date
EP1845322A2 true EP1845322A2 (fr) 2007-10-17
EP1845322A3 EP1845322A3 (fr) 2007-12-05
EP1845322B1 EP1845322B1 (fr) 2011-09-21

Family

ID=38229846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070007541 Expired - Fee Related EP1845322B1 (fr) 2006-04-13 2007-04-12 Appareil de réfrigération et/ou de refroidissement

Country Status (2)

Country Link
EP (1) EP1845322B1 (fr)
DE (1) DE202006019471U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008005339U1 (de) * 2008-04-17 2009-08-27 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
DE102011002645A1 (de) * 2011-01-13 2012-07-19 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD295012A5 (de) 1990-06-06 1991-10-17 Kombinat Ilka Luft- Und Kaeltetechnik,De Elektrische verdampfer-abtauheizung bei kuehl-gefrier-kombinationen und gefriergeraeten mit umluftkuehlung
EP0859208A2 (fr) 1997-02-18 1998-08-19 Gram A/S Installation de réfrigération et de congélation, procédé de commande d'un compresseur dans une installation de réfrigération et de congélation et circuit de commande pour un tel compresseur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161921B (de) * 1961-07-24 1964-01-30 Licentia Gmbh Gefrier- bzw. Tiefkuehlschrank
DE6919181U (de) * 1969-05-12 1969-10-09 Licentia Gmbh Einbaukuehlschrank
IT1116058B (it) * 1978-05-02 1986-02-10 Tokyo Shibaura Electric Co Frigorifero congelatore
JPH10232079A (ja) * 1997-02-20 1998-09-02 Fujitsu General Ltd 電気冷蔵庫
DE10300703B4 (de) * 2003-01-10 2006-04-13 Liebherr-Hausgeräte GmbH Gefriergerät und Enteisungsverfahren
DE202005002486U1 (de) * 2005-02-16 2006-06-22 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD295012A5 (de) 1990-06-06 1991-10-17 Kombinat Ilka Luft- Und Kaeltetechnik,De Elektrische verdampfer-abtauheizung bei kuehl-gefrier-kombinationen und gefriergeraeten mit umluftkuehlung
EP0859208A2 (fr) 1997-02-18 1998-08-19 Gram A/S Installation de réfrigération et de congélation, procédé de commande d'un compresseur dans une installation de réfrigération et de congélation et circuit de commande pour un tel compresseur

Also Published As

Publication number Publication date
DE202006019471U1 (de) 2007-08-23
EP1845322A3 (fr) 2007-12-05
EP1845322B1 (fr) 2011-09-21

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