EP0602379A2 - Réfrigérateur, en particulier réfrigérateur à plusieurs températures - Google Patents

Réfrigérateur, en particulier réfrigérateur à plusieurs températures Download PDF

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Publication number
EP0602379A2
EP0602379A2 EP93117985A EP93117985A EP0602379A2 EP 0602379 A2 EP0602379 A2 EP 0602379A2 EP 93117985 A EP93117985 A EP 93117985A EP 93117985 A EP93117985 A EP 93117985A EP 0602379 A2 EP0602379 A2 EP 0602379A2
Authority
EP
European Patent Office
Prior art keywords
compartments
refrigerant
compartment
evaporators
temperature
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
EP93117985A
Other languages
German (de)
English (en)
Other versions
EP0602379B1 (fr
EP0602379A3 (en
Inventor
Walter Dipl.-Ing. Holz
Friedrich-Wilhelm Neuner
Friedrich Dipl.-Ing. Arnold
Georg Dipl.-Ing. Strauss (Fh)
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
Individual
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 Individual filed Critical Individual
Publication of EP0602379A2 publication Critical patent/EP0602379A2/fr
Publication of EP0602379A3 publication Critical patent/EP0602379A3/de
Application granted granted Critical
Publication of EP0602379B1 publication Critical patent/EP0602379B1/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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2511—Evaporator distribution valves
    • 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

Definitions

  • the invention relates to a cooling device, in particular a multi-temperature cooling device with a refrigeration machine and a heat-insulated housing, in which an evaporator system connected by refrigerant lines is arranged, the evaporators of which form the system are arranged individually in compartments which are thermally separated from one another, the temperature of which is determined by a supply of the refrigerant can be influenced to the respective evaporators via a valve unit controlling controller arrangement, the need for the supply of refrigerant via temperature sensors in the compartments being signaled to the controller arrangement.
  • DE-PS 33 14 056 discloses a freezer with two compartments arranged one above the other, which are thermally separated from one another and can be used in different applications.
  • both compartments can be operated as freezer compartments
  • a second variant provides for operating the lower one as a freezer compartment and the higher one as a normal cooling compartment.
  • a third Variant is proposed to use the lower compartment as a freezer compartment and to shut down the higher compartment.
  • an additional evaporator with a lower cooling capacity is provided, all of which are supplied with refrigerant from a single compressor, the refrigerant flow to the individual evaporators being controllable via two valve arrangements, with the aid of which three refrigerant circuits are formed.
  • One of the valve arrangements namely the one that precedes the inputs of the evaporators arranged in series with the higher cooling capacity, can form two refrigerant circuits, with refrigerant flowing through both evaporators in a first valve position and only the downstream evaporator alone with it in a second valve position Refrigerant is applied.
  • the second of the valve arrangements is arranged at the outlet of the evaporator connected in series with the evaporators of higher refrigeration capacity and enables the refrigerant to flow to the additional evaporator which is installed in the higher compartment of the freezer, in which the one in front of the evaporator with higher refrigeration capacity is also arranged is.
  • the additional evaporator located in the higher compartment is inserted into the refrigerant circuit and connected to the active freezer evaporator located in the lower compartment, while the freezer evaporator located in the upper compartment is inactive.
  • the cooling capacity in the compartment operated as a normal refrigerator compartment is severely reduced, so that when the temperature of the normal refrigerator compartment is requested, the freezing process is temporary must be interrupted, causing the freezing performance to drop sharply. If you want to avoid this, the refrigeration system, the amount of which is determined by the freezer evaporator which can be operated alone, must be overfilled.
  • the invention is based on the object, in a cooling device with a plurality of thermally separated compartments of different temperatures, to form the cooling circuits required for cooling the compartments in such a way that each compartment can be regulated independently of another within the temperature range defined for its intended use, without the cooling capacity is reduced in the individual subjects.
  • the object is achieved in accordance with the invention in that at least three compartments are provided with the evaporators assigned to them and valve units connected upstream thereof to control them, the compartment with the greatest cooling capacity being able to be acted upon with refrigerant on its own, while each of the other compartments if necessary, in series connection in front of the compartment with the highest cooling capacity, can be acted on with refrigerant.
  • the solution according to the invention is characterized on the one hand by the fact that the freezer compartment is always cooled as a result of the fact that it is connected downstream of the other compartments, so that only a small additional independent runtime is necessary and the freezing performance is high.
  • each of the cooling compartments can be controlled separately, so that the temperature range required for your application is kept within narrow limits regardless of external influences, such as the outside temperature surrounding the cooling device or the loading of large quantities of fresh refrigerated goods into one of the other compartments.
  • such an arrangement in which the coldest evaporator is connected downstream of the others, causes the entire refrigerant to collect in it and is thus made available to the respectively active refrigeration circuit without delay.
  • the number of valve units is smaller by the number 1 than the number of evaporators, the valve units being designed as electromagnetically operated 3/2-way valves.
  • valve units are arranged in series with one another.
  • Such an embodiment is characterized by its low expenditure on refrigerant lines.
  • the temperatures in the differently cooled compartments are observed particularly precisely if, according to a further advantageous embodiment of the subject of the invention, it is provided that the valve units are controlled independently of one another by a controller evaluating the temperatures in the individual compartments, the temperatures being detected by temperature sensors and signaled to the controller.
  • a fan is arranged in each compartment, which forcibly circulates the air in these compartments in both cooling and defrosting operation, the Fan air flow is superimposed on the convection current generated by the cooling capacity of the respective evaporator.
  • the subjects mentioned e.g. can be used as a cellar compartment or as a 0 ° compartment, achieving an almost even temperature distribution within the compartment.
  • two temperature sensors are provided in each of the other compartments, one of which is arranged on the evaporator surface, while the other detects the air temperature in the compartment.
  • a household cooling device 10 is shown, the heat-insulated housing 11 of which is provided at its opening with doors 12 to 14 which are attached at the opening edge and can be opened separately.
  • doors 12 to 14 three in the interior of the housing 11 one above the other and by means of partitions thermally separated compartments 15 to 17 of different temperature can be closed, of which the overhead, lockable with the door 12 compartment as a freezer compartment, the middle compartment 16, which the Door 13 assigned is used as a normal cooling compartment, while the underlying compartment 17 is designed as a cellar compartment and can be closed with the door 14.
  • the different temperatures in the individual compartments 12 to 14 are maintained with a refrigeration system which is explained in more detail below.
  • the refrigeration system 18 which serves to cool the compartments 15 to 17 and which has an evaporator system connected to one another by refrigerant lines is equipped with a single refrigerant compressor 19.
  • the refrigerant compressor 19 is followed by a condenser 20 on the pressure side, which is arranged, for example, on the rear side facing away from the opening of the housing 11.
  • a dryer cartridge 21 connects to the outlet of the condenser 20, the outlet of which is connected to the inlet of a first valve unit 22.
  • One of the outputs of the first valve unit 22 is connected in terms of flow technology to the input of a second valve unit 22 of the same type, forming a series connection between the two.
  • Each of the outputs of the valve units 22, which represent the entrance to the refrigerant circuits, is followed in each case by a throttle member 23 wound in a spiral-like manner and designed as a capillary tube.
  • the evaporator system forming evaporators 24 to 26, the evaporator 24, which is arranged only in the refrigeration circuit I, equipped with the highest cooling capacity and is assigned to the freezer compartment 12.
  • the evaporator 25 used to maintain the temperature in the normal cooling compartment 16 is arranged together with the freezer evaporator 24 connected downstream in the refrigeration circuit III, while the evaporator 26, the cellar compartment 17 is assigned, together with the freezer evaporator 24, arranged in series in front of this, is arranged in the refrigeration circuit II.
  • Each of the refrigerant circuits I to III leads via the freezer compartment evaporator 24, which is connected on the suction side to the compressor 19 via a refrigerant line (not specified) and, if necessary, when refrigeration is required in the freezer compartment 15, can be supplied with refrigerant via the refrigerant circuit I alone, while both the evaporator 25 in the normal refrigeration compartment 16 and that in the basement compartment 17, in each case connected in series in front of the evaporator 24, can be acted upon by liquid refrigerant via the refrigerant circuits II and III, as a result of which the freezer compartment 15 is always also cooled.
  • the cooling requirement in the compartments 15 and 16 is determined via the temperature sensors 27 in the form of air sensors, and in the freezer compartment 14 via a sensor 28 arranged on the surface of the evaporator 24. Their signals are fed via signal lines 29 to and from a controller arrangement 30 evaluated. Depending on the sensor signals, the controller arrangement 30 controls, via electrical connecting lines 31, both the switching on and off of the refrigerant compressor 19 and the valve position of the valve units 22, depending on which of the refrigerant circuits is to be charged with refrigerant.
  • fans 33 are also controlled via the control arrangement 30 via electrical lines 32, one of which is arranged in the normal cooling compartment 16 and the other in the basement compartment 17 and is used there to reduce the temperature stratification both in cooling operation and in defrosting operation, the arrangement of which convection current generated by the cooling capacity of the respective evaporator is supported.
  • temperature sensors (not shown) are provided in the basement compartment 17 and in the normal cooling compartment 16 on the surfaces of the evaporators 25 and 26 arranged there, which end the defrosting process after a predetermined temperature threshold has been reached.
  • shut-off valves can also be used, such a shut-off valve being arranged in front of the throttle elements 25, for example, in each of the refrigerant circuits.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP93117985A 1992-12-17 1993-11-05 Réfrigérateur, en particulier réfrigérateur à plusieurs températures Expired - Lifetime EP0602379B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924242776 DE4242776A1 (de) 1992-12-17 1992-12-17 Kühlgerät, insbesondere Mehrtemperaturen-Kühlgerät
DE4242776 1992-12-17

Publications (3)

Publication Number Publication Date
EP0602379A2 true EP0602379A2 (fr) 1994-06-22
EP0602379A3 EP0602379A3 (en) 1994-07-27
EP0602379B1 EP0602379B1 (fr) 2002-03-20

Family

ID=6475650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117985A Expired - Lifetime EP0602379B1 (fr) 1992-12-17 1993-11-05 Réfrigérateur, en particulier réfrigérateur à plusieurs températures

Country Status (5)

Country Link
EP (1) EP0602379B1 (fr)
DE (2) DE4242776A1 (fr)
DK (1) DK0602379T3 (fr)
ES (1) ES2173880T3 (fr)
TR (1) TR27444A (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015413A1 (fr) * 1994-11-11 1996-05-23 Samsung Electronics Co., Ltd. Refrigerateur et son procede de commande
EP0732554A2 (fr) * 1995-03-16 1996-09-18 Bosch-Siemens HausgerÀ¤te GmbH Evaporateur, particulièrement pour des réfrigérateurs ménagers à compresseur
WO1997022841A1 (fr) * 1995-12-20 1997-06-26 Bosch-Siemens Hausgeräte Gmbh Appareil frigorifique, en particulier appareil frigorifique domestique
EP1243880A1 (fr) * 2001-03-21 2002-09-25 Kabushiki Kaisha Toshiba Réfrigérateur avec une pluralité de passages branchés en parallel pour réfrigérant
WO2008122493A1 (fr) * 2007-04-10 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique à trois zones de température
DE19818288B4 (de) * 1998-04-23 2009-04-30 BSH Bosch und Siemens Hausgeräte GmbH Kühlgerät
DE202008009956U1 (de) * 2008-04-15 2009-08-20 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
DE102008047818A1 (de) * 2008-08-22 2010-02-25 Liebherr-Hausgeräte Lienz Gmbh Kühl-und/oder Gefriergerät sowie Verfahren zum Betreiben eines Kühl-und/oder Gefriergerätes
EP2211128A1 (fr) 2005-11-30 2010-07-28 BSH Bosch und Siemens Hausgeräte GmbH Procède d'utilisation d'un réfrigérateur et réfrigérateur dote d'un raccordement avec retard du compresseur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896753A (en) * 1996-10-18 1999-04-27 Lg Electronics Inc. Freezing cycle apparatus having quick freezing and thawing functions
DE10140005A1 (de) 2001-08-16 2003-02-27 Bsh Bosch Siemens Hausgeraete Kombinations-Kältegerät und Verdampferanordnung dafür

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0119024A2 (fr) * 1983-03-09 1984-09-19 Kabushiki Kaisha Toshiba Système de réfrigération et de congélation pour armoire frigorifique
EP0126521A2 (fr) * 1983-05-18 1984-11-28 Kabushiki Kaisha Toshiba Réfrigérateur
FR2638824A1 (fr) * 1988-11-08 1990-05-11 Fagor S Coop Ltda Refrigerateur-congelateur a trois compartiments independants

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0119024A2 (fr) * 1983-03-09 1984-09-19 Kabushiki Kaisha Toshiba Système de réfrigération et de congélation pour armoire frigorifique
EP0126521A2 (fr) * 1983-05-18 1984-11-28 Kabushiki Kaisha Toshiba Réfrigérateur
FR2638824A1 (fr) * 1988-11-08 1990-05-11 Fagor S Coop Ltda Refrigerateur-congelateur a trois compartiments independants

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Langley, Refrigeration and Air Conditioning, 3. Auflage 1986, Seiten 336 und 352 *

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0984236A3 (fr) * 1994-11-11 2000-05-24 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP1596143A3 (fr) * 1994-11-11 2005-11-30 Samsung Electronics Co, Ltd Procédé de commande d'un réfrigérateur
EP0984233A3 (fr) * 1994-11-11 2000-05-24 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP0984234A3 (fr) * 1994-11-11 2000-05-24 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
AU707209B2 (en) * 1994-11-11 1999-07-08 Samsung Electronics Co., Ltd. Refrigerator having high efficiency multi-evaporator cycle (H.M. cycle) and control method thereof
EP0982552A2 (fr) * 1994-11-11 2000-03-01 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP0984233A2 (fr) * 1994-11-11 2000-03-08 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP0984234A2 (fr) * 1994-11-11 2000-03-08 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP0984235A2 (fr) * 1994-11-11 2000-03-08 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP0984232A2 (fr) * 1994-11-11 2000-03-08 Samsung Electronics Co., Ltd. Réfrigérateur avec unb cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP0984232A3 (fr) * 1994-11-11 2000-05-17 Samsung Electronics Co., Ltd. Réfrigérateur avec unb cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP0982552A3 (fr) * 1994-11-11 2000-05-17 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
WO1996015413A1 (fr) * 1994-11-11 1996-05-23 Samsung Electronics Co., Ltd. Refrigerateur et son procede de commande
EP0984235A3 (fr) * 1994-11-11 2000-05-24 Samsung Electronics Co., Ltd. Réfrigérateur avec un cycle à plusieurs évaporateurs et à haute efficacité et procédé de commande associé
EP1596143A2 (fr) * 1994-11-11 2005-11-16 Samsung Electronics Co, Ltd Procédé de commande d'un réfrigérateur
EP0732554A3 (fr) * 1995-03-16 1997-03-12 Bosch Siemens Hausgeraete Evaporateur, particulièrement pour des réfrigérateurs ménagers à compresseur
EP0732554A2 (fr) * 1995-03-16 1996-09-18 Bosch-Siemens HausgerÀ¤te GmbH Evaporateur, particulièrement pour des réfrigérateurs ménagers à compresseur
WO1997022841A1 (fr) * 1995-12-20 1997-06-26 Bosch-Siemens Hausgeräte Gmbh Appareil frigorifique, en particulier appareil frigorifique domestique
DE19818288B4 (de) * 1998-04-23 2009-04-30 BSH Bosch und Siemens Hausgeräte GmbH Kühlgerät
EP1243880A1 (fr) * 2001-03-21 2002-09-25 Kabushiki Kaisha Toshiba Réfrigérateur avec une pluralité de passages branchés en parallel pour réfrigérant
US6598410B2 (en) 2001-03-21 2003-07-29 Kabushiki Kaisha Toshiba Refrigerator with a plurality of parallel refrigerant passages
EP2211128A1 (fr) 2005-11-30 2010-07-28 BSH Bosch und Siemens Hausgeräte GmbH Procède d'utilisation d'un réfrigérateur et réfrigérateur dote d'un raccordement avec retard du compresseur
WO2008122493A1 (fr) * 2007-04-10 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique à trois zones de température
US8245526B2 (en) 2007-04-10 2012-08-21 Bsh Bosch Und Siemens Hausgeraete Gmbh Cooling device having three temperature zones
CN101652609B (zh) * 2007-04-10 2012-09-05 Bsh博世和西门子家用器具有限公司 具有三个温度区域的制冷装置
RU2468308C2 (ru) * 2007-04-10 2012-11-27 Бсх Бош Унд Сименс Хаусгерете Гмбх Холодильный аппарат с тремя температурными зонами
DE202008009956U1 (de) * 2008-04-15 2009-08-20 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
DE102008047818A1 (de) * 2008-08-22 2010-02-25 Liebherr-Hausgeräte Lienz Gmbh Kühl-und/oder Gefriergerät sowie Verfahren zum Betreiben eines Kühl-und/oder Gefriergerätes

Also Published As

Publication number Publication date
DE59310273D1 (de) 2002-04-25
ES2173880T3 (es) 2002-11-01
EP0602379B1 (fr) 2002-03-20
DK0602379T3 (da) 2002-07-08
DE4242776A1 (de) 1994-06-23
TR27444A (tr) 1995-05-24
EP0602379A3 (en) 1994-07-27

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