EP1152200A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
EP1152200A1
EP1152200A1 EP01810389A EP01810389A EP1152200A1 EP 1152200 A1 EP1152200 A1 EP 1152200A1 EP 01810389 A EP01810389 A EP 01810389A EP 01810389 A EP01810389 A EP 01810389A EP 1152200 A1 EP1152200 A1 EP 1152200A1
Authority
EP
European Patent Office
Prior art keywords
compartment
special
cooling
air
heat exchanger
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
EP01810389A
Other languages
German (de)
English (en)
Other versions
EP1152200B1 (fr
Inventor
Fernand Schwitzgebel
Günter Garnitschnig
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.)
Hermann Forster AG
Original Assignee
Hermann Forster AG
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 Hermann Forster AG filed Critical Hermann Forster AG
Publication of EP1152200A1 publication Critical patent/EP1152200A1/fr
Application granted granted Critical
Publication of EP1152200B1 publication Critical patent/EP1152200B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • 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
    • F25D2317/068—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 fans
    • F25D2317/0682—Two or more fans
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/121—Sensors measuring the inside temperature of particular 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/122—Sensors measuring the inside temperature of freezer compartments

Definitions

  • the invention relates to a refrigerator with several superimposed Cooling zones, with a freezer compartment and one arranged above it Special subject.
  • Such refrigerators are used in the household to keep food at different Store temperatures. Be in a freezer frozen food stored, a special compartment above with a temperature of around 0 ° C is used to ingest fish, meat, Vegetables - such as cucumbers, fruits or the like - and a third top cooling compartment with around 5 ° C to 11 ° C is used for the refrigerated storage of beverages and other foods.
  • the object of the invention is to achieve a refrigerator to create less effort and reduced energy consumption.
  • Fig. 1 shows a schematic representation of a refrigerator cooling unit 1 with a design that is customary in household refrigerators.
  • the refrigerator contains three cooling zones A, B, C, in which different Temperatures are maintained.
  • the lowest cooling compartment A is designed as a freezer compartment with a temperature of around -18 ° C (to -24 ° C).
  • the adjacent middle special compartment B above is for one Temperature of about 0 ° C (to + 5 ° C) and the top cooling compartment C is operated at a temperature above + 5 ° C (up to + 11 ° C).
  • the cooling unit contains a conventional compressor 6, of which Coolant vapor is drawn in from the evaporators 10, 12 via a line 8 and is compressed to saturation pressure.
  • a capacitor 14 if the steam is liquefied while removing heat, then via a the frame heater 16 associated with the freezer through lines 18, 32 fed to the evaporators 10, 12, the evaporator 12 in the refrigerator compartment C is connected to the freezer compartment A by means of coolant lines 32.
  • the central special compartment B is only cooled through a cooling air flow extracted from the freezer compartment A, for this purpose between freezer compartment A and the special compartment arranged above it B Air circulation means for cooling the special compartment B are available.
  • the air circulation means are designed such that a first air circulation from freezer compartment A to a heat exchanger 20 and a second one, is provided in the special compartment B from the first separate air circulation, which also interacts with the heat exchanger 20.
  • Fig. 2 and Fig. 3 is for the first air circulation the rear wall of the refrigerator 1, behind the freezer compartment A and the special compartment B located air duct 25.
  • This air duct 25 is by means of a first, in the area of the freezer compartment A arranged fan 26 cooling air from this Compartment A to heat exchanger 20 at special compartment B and back into that Freezer compartment A is directed.
  • the air duct 25 points accordingly on the one hand an intake port 24 emanating from the fan 26, a horizontal containing the fins 21 of the heat exchanger 20 Piece and a return pipe 28 on.
  • the heat exchanger 20 arranged at the rear wall of the special compartment B. consists of several horizontal in the air duct 25 Slats 21, an intermediate wall 23 and of itself in the special compartment B vertical slats 22. Take the horizontal slats 21 the coldness of the cold air circulating on these, with the air at approximately minus 18 ° C and cooled accordingly become.
  • the intermediate wall 23 is used for the transmission of the generated Cold of the slats 21 of the channel on the slats 22 in special compartment B.
  • the heat exchanger 20 is expediently made of a highly conductive material Material made, for example, from an aluminum die-cast.
  • a separate air duct 35 formed by an approximately parallel to the rear wall 37 arranged aperture 36 is limited.
  • a fan 30 driven by a motor 34 and below this arranged the vertically extending slats 22. Openings 38 are provided at the upper and lower ends of this channel 35, through this the air is sucked out of special compartment B and cooled Condition is directed back into this refrigerator compartment.
  • the electrical control and display takes place centrally from a control panel 34 out. From this lines 36 go to the fans 26, 30, Lines 44, 46 to the temperature sensors 38, 39 in the cold rooms B, C and a line 48 to the compressor 6. Another, not shown Cable could also lead to a sensor in freezer compartment A.
  • FIG. 4 An embodiment variant according to Figure 4 is that in the coolant line then a valve 40 is installed on the frame heater 16 which is a coolant line 42 directly to the evaporator 12 of the refrigerator compartment C connects. This enables "economy mode", for example, if the refrigerator is in a holiday home that is not used all the time is installed.

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Valve Device For Special Equipments (AREA)
EP01810389A 2000-05-04 2001-04-23 Réfrigérateur Expired - Lifetime EP1152200B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00877/00A CH694472A5 (de) 2000-05-04 2000-05-04 Kühlschrank.
CH877002000 2000-05-04

Publications (2)

Publication Number Publication Date
EP1152200A1 true EP1152200A1 (fr) 2001-11-07
EP1152200B1 EP1152200B1 (fr) 2007-09-05

Family

ID=4544507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810389A Expired - Lifetime EP1152200B1 (fr) 2000-05-04 2001-04-23 Réfrigérateur

Country Status (4)

Country Link
EP (1) EP1152200B1 (fr)
AT (1) ATE372491T1 (fr)
CH (1) CH694472A5 (fr)
DE (1) DE50112944D1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633375A (en) * 1970-04-15 1972-01-11 Westinghouse Electric Corp Refrigerator cooling system design
US3834180A (en) * 1972-12-29 1974-09-10 Umc Ind Heat exchange unit
EP0326049A1 (fr) * 1988-01-29 1989-08-02 INDUSTRIE ZANUSSI S.p.A. Appareil frigorifique à plusieurs températures muni d'un circuit frigorifique à compresseur unique et d'un dispositif unique de commande de température
FR2718834A1 (fr) * 1994-04-15 1995-10-20 Fafournoux Bernard Congélateur comportant un dispositif pour congélation rapide à accumulateurs de froid.
WO1999042770A1 (fr) * 1998-02-20 1999-08-26 Matsushita Refrigeration Company Refrigerateur dote d'un dispositif de refroidissement dans le compartiment de refrigeration et dans le compartiment de congelation
EP0987507A2 (fr) * 1998-09-16 2000-03-22 Kabushiki Kaisha Toshiba Régulateur pour armoire frigorifique
US6266966B1 (en) * 1998-06-04 2001-07-31 Mabe Mexico S. De R.L. De C.V. Cooling system for compartments maintaining the relative humidity of refrigerated products

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633375A (en) * 1970-04-15 1972-01-11 Westinghouse Electric Corp Refrigerator cooling system design
US3834180A (en) * 1972-12-29 1974-09-10 Umc Ind Heat exchange unit
EP0326049A1 (fr) * 1988-01-29 1989-08-02 INDUSTRIE ZANUSSI S.p.A. Appareil frigorifique à plusieurs températures muni d'un circuit frigorifique à compresseur unique et d'un dispositif unique de commande de température
FR2718834A1 (fr) * 1994-04-15 1995-10-20 Fafournoux Bernard Congélateur comportant un dispositif pour congélation rapide à accumulateurs de froid.
WO1999042770A1 (fr) * 1998-02-20 1999-08-26 Matsushita Refrigeration Company Refrigerateur dote d'un dispositif de refroidissement dans le compartiment de refrigeration et dans le compartiment de congelation
US6266966B1 (en) * 1998-06-04 2001-07-31 Mabe Mexico S. De R.L. De C.V. Cooling system for compartments maintaining the relative humidity of refrigerated products
EP0987507A2 (fr) * 1998-09-16 2000-03-22 Kabushiki Kaisha Toshiba Régulateur pour armoire frigorifique

Also Published As

Publication number Publication date
EP1152200B1 (fr) 2007-09-05
DE50112944D1 (de) 2007-10-18
ATE372491T1 (de) 2007-09-15
CH694472A5 (de) 2005-01-31

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