EP0602379B1 - Réfrigérateur, en particulier réfrigérateur à plusieurs températures - Google Patents

Réfrigérateur, en particulier réfrigérateur à plusieurs températures Download PDF

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Publication number
EP0602379B1
EP0602379B1 EP93117985A EP93117985A EP0602379B1 EP 0602379 B1 EP0602379 B1 EP 0602379B1 EP 93117985 A EP93117985 A EP 93117985A EP 93117985 A EP93117985 A EP 93117985A EP 0602379 B1 EP0602379 B1 EP 0602379B1
Authority
EP
European Patent Office
Prior art keywords
compartments
compartment
refrigerant
evaporator
cooling
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.)
Expired - Lifetime
Application number
EP93117985A
Other languages
German (de)
English (en)
Other versions
EP0602379A3 (en
EP0602379A2 (fr
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
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 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 a refrigerator and a heat insulated housing in which a through Refrigerant lines interconnected evaporator system is arranged, the evaporators forming the system individually in thermally separated compartments are arranged, the temperature of which through a refrigerant supply to the respective Evaporators can be influenced via a controller arrangement controlling a valve unit, wherein the need for refrigerant supply via temperature sensors in the compartments to the Controller arrangement is signaled.
  • EP-A-0119024 is a refrigerator with a freezer, a refrigerator and known a vegetable compartment; each of the compartments accessible via a separate door is and separation measures not specified between the individual subjects are provided to the intended compartment temperature of each refrigeration compartment to be able to ensure.
  • the refrigerator has a chiller with one Refrigerant circuit, which is used to maintain the intended Compartment temperature has three evaporators, two of which are the freezer and one is assigned to the refrigerator compartment, while the vegetable compartment is only on the Cooling compartment evaporator is also cooled.
  • the interconnection of the evaporators is selected so that that a first freezer compartment evaporator is connected in series to the refrigerator compartment evaporator is subordinate, while the second freezer evaporator in series before first freezer evaporator.
  • the well-known multi-temperature cooling device is from its structure with three cold compartments for storing various types, one different storage temperature designed storage goods, the Vegetable compartment due to its application within a different temperature range than the cooling compartment, but is also cooled by the latter.
  • the two compartments although they are each accessible via separate doors heat-insulating, but at best preventing an immediate influence of cold, can be separated from each other.
  • Through the Influencing the vegetable compartment does not only result in an unfavorable one Temperature influence, but at the same time also a disturbance of the optimal Storage of moisture supply for vegetables.
  • a freezer with two one above the other arranged subjects known that are thermally separated and in different applications can be used.
  • both can Compartments are operated as freezer compartments
  • a second variant provides that to operate lower than freezer and the higher than normal refrigerator compartment.
  • a Third variant is proposed to use the deep compartment as a freezer compartment and shut down the higher compartment.
  • the second of the valve arrangements is at the outlet of the in the Series connection of evaporators with higher cooling capacities downstream evaporator arranged and allows the refrigerant flow to the additional evaporator, which in the higher compartment of the freezer is installed, in which also in the Series connection of the evaporator higher refrigeration capacity is arranged upstream.
  • the freezer is to be used as a fridge and freezer combination, it is in the Additional evaporator located in the higher compartment in the refrigerant circuit faded in and the active, arranged in the lower compartment Freezer evaporator downstream, while the one in the overhead compartment Freezer evaporator is inactive.
  • the invention has for its object in a refrigerator with several thermally separated compartments of different temperature, which are used for cooling of the subjects to design refrigeration circuits so that each subject is independent from another within that defined for an application Temperature range is adjustable without the cooling capacity in the individual compartments is diminished.
  • the solution according to the invention is distinguished on the one hand by the fact that the freezer compartment due to the fact that it is always connected to the other compartments, so that only a small additional own runtime is necessary and the freezing capacity is high.
  • each of the cooling compartments can be regulated separately, so that the one for yours Application temperature range required within narrow limits regardless of external influences, such as the outside temperature surrounding the refrigerator or the Inviting large quantities of fresh chilled goods to one of the other compartments, is observed.
  • such an arrangement causes the coldest Evaporator downstream of the other is that all the refrigerant is in this collects and thus the respective active cooling circuit is made available without delay.
  • there is a further advantage that, with a still reasonable effort for the Valves and their control lines ensure safe control of the individual evaporators is guaranteed.
  • valve units are arranged in series with one another are.
  • Such an embodiment is characterized by its low expenditure on refrigerant lines out.
  • the temperatures in the differently cooled rooms are particularly closely observed Subjects if after a further advantageous embodiment of the subject the invention provides that the valve units independently of one another the controller evaluating the temperatures in the individual subjects are, the temperatures being recorded by temperature sensors and signaled to the controller become.
  • a fan is arranged which both the air in these compartments in cooling as well as in defrost operation, forced circulation, the fan - air flow the convection current generated by the cooling capacity of the respective evaporator is superimposed.
  • a household refrigerator 10 is shown, the heat insulated housing 11 at its opening with hinged on the opening edge and to be opened separately Doors 12 to 14 is provided.
  • Doors 12 to 14 are three in the interior of the Housing 11 arranged one above the other and by means of partitions thermally separated compartments 15 to 17 different temperature closable from which the overhead compartment lockable with the door 12 as a freezer compartment, the middle one Compartment 16, to which the door 13 is assigned, serves 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 temperature in the individual compartments 12 to 14 is further increased refrigeration system explained in more detail below.
  • the refrigeration system 18 used to cool the compartments 15 to 17 is the has an evaporator system connected to one another by refrigerant lines, equipped with a single refrigerant compressor 19.
  • the refrigerant compressor 19 a condenser 20 is connected downstream on the pressure side, for example on that of the Opening of the housing 11 facing away from the rear is arranged.
  • the condenser 20 connects to a dryer cartridge 21, the output of which connects to the input a first valve unit 22 is connected.
  • One of the outputs of the first valve unit 22 is connected in series with the input of a second similar valve unit 22 forming between these two, fluidically connected.
  • valve units 22 Due to the still free outputs of the arranged in series to each other, as are electromagnetically operated 3/2-way valves formed valve units 22 three different refrigeration circuits I, II and III formed, which can be charged with refrigerant are, the valve units 22, which are part of the refrigerant circuits I, II and III are, as control elements for the refrigerant supply to the respective refrigerant circuit serve and those arriving from the condenser 20 via the dryer cartridge 21 Divert the refrigerant flow into one of the circuits.
  • Each of the valve unit outputs 22, which represent the entrance to the refrigerant circuits is one downstream spiral-shaped throttle member 23 designed as a capillary tube.
  • the evaporator 24 which is arranged only in the refrigeration circuit I, with the highest Refrigeration capacity and the freezer compartment 12 is assigned.
  • Each of the refrigerant circuits I to III passes through the freezer evaporator 24, the Via a refrigerant line, not specified, on the suction side to the compressor 19 connected and, if necessary, when there is a need for cold in the freezer compartment 15, alone can be acted upon with refrigerant via the refrigerant circuit I, while both the evaporator 25 in the normal cooling compartment 16 and that in the basement compartment 17, each in Series connection in front of the evaporator 24, via the refrigerant circuits II and III can be acted upon with liquid refrigerant, so that the freezer compartment 15 is always cooled becomes.
  • the cooling requirement in compartments 15 and 16 is determined via the room air Temperature sensor 27 in the form of air sensors and in the freezer 14 via one the surface of the evaporator 24 arranged sensor 28 determined. Their signals are fed via signal lines 29 to and from a controller arrangement 30 evaluated.
  • the controller arrangement 30 controls in dependence on the sensor signals electrical connection lines 31 both switching the refrigerant compressor on and off 19 and the valve position of the valve units 22, whichever the refrigerant circuits should be charged with refrigerant.
  • Controller arrangement 30 is also controlled by electric lines 32, fans 33, one of which is arranged in the normal refrigerator compartment 16 and the other in the basement compartment 17 and there to reduce the temperature stratification both in cooling mode serve as well in defrost operation, with their arrangement of the by the cooling capacity convection current generated by the respective evaporator is supported.
  • temperature sensors are provided, which the defrosting process after reaching terminate a predetermined temperature threshold.

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  • 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)

Claims (5)

  1. Réfrigérateur (10), notamment réfrigérateur à plusieurs températures, comprenant une machine frigorifique (18) et une enceinte calorifugée (11), dans laquelle est disposé un système évaporateur relié par des conduites de réfrigérant, dont les évaporateurs (24, 25, 26) constituant le système sont disposés individuellement dans des compartiments (15, 16, 17) séparés thermiquement les uns des autres, dont la température peut être influencée par un dispositif de régulation (30) commandant l'alimentation en réfrigérant des évaporateurs respectifs (24, 25, 26) via une unité de vannes (22), la nécessité d'une alimentation en réfrigérant étant signalée au dispositif de régulation (30) par des sondes de température (27, 28) dans les compartiments (15, 16, 17), au moins trois compartiments (15, 16, 17) avec les évaporateurs (24, 25, 26) associés à ceux-ci et les unités de vannes (22) montées en amont pour leur commande, et le compartiment (15) présentant la plus grande capacité frigorifique peut être alimenté au besoin individuellement en réfrigérant, tandis que chacun des autres compartiments (16, 17), monté respectivement en série en amont du compartiment (15) présentant la plus grande capacité frigorifique, peut être alimenté au besoin en réfrigérant, le nombre d'unités de vannes (22) étant inférieur d'une unité au nombre d'évaporateurs (24, 25, 26) et les unités de vannes (22) étant conçues comme vannes à 3/2 voies électromagnétiques.
  2. Réfrigérateur selon la revendication 1 caractérisé en ce que les unités de vannes (22) sont disposées en série les unes par rapport aux autres.
  3. Réfrigérateur selon l'une des revendications 1 ou 2, caractérisé en ce que les unités de vannes (22) sont commandées indépendamment les unes des autres par un régulateur (30) évaluant les températures dans les compartiments individuels (15, 16, 17), les températures des sondes de température (27, 28) étant enregistrées et signalées au régulateur (30).
  4. Réfrigérateur selon la revendication 1, caractérisé en ce que outre dans le compartiment (15) présentant la plus grande capacité frigorifique un ventilateur (33) est disposé dans chacun des autres compartiments (16, 17), lequel fait circuler par circulation forcée l'air dans ces compartiments (16, 17) tant en mode réfrigération qu'en mode dégivrage de sorte à renforcer le courant de convection produit par la capacité frigorifique des évaporateurs respectifs (25, 26).
  5. Réfrigérateur selon la revendication 1, caractérisé en ce que outre dans le compartiment (15) présentant la plus grande capacité frigorifique, dans chacun des autres compartiments (16, 17) deux sondes de température sont prévues, dont l'une est conçue comme capteur d'air (27) et l'autre est disposée à la surface des évaporateurs (25, 26).
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 EP0602379A2 (fr) 1994-06-22
EP0602379A3 EP0602379A3 (en) 1994-07-27
EP0602379B1 true 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)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5931004A (en) * 1994-11-11 1999-08-03 Samsung Electronics Co., Ltd. Refrigerator and control method therefor
DE19509571A1 (de) * 1995-03-16 1996-09-19 Bosch Siemens Hausgeraete Verdampfer, insbesondere für kompressorbetriebene Haushalt-Kältegeräte
DE19547744A1 (de) * 1995-12-20 1997-06-26 Bosch Siemens Hausgeraete Kältegerät
US5896753A (en) * 1996-10-18 1999-04-27 Lg Electronics Inc. Freezing cycle apparatus having quick freezing and thawing functions
DE19818288B4 (de) * 1998-04-23 2009-04-30 BSH Bosch und Siemens Hausgeräte GmbH Kühlgerät
JP4028688B2 (ja) * 2001-03-21 2007-12-26 株式会社東芝 冷蔵庫
DE10140005A1 (de) 2001-08-16 2003-02-27 Bsh Bosch Siemens Hausgeraete Kombinations-Kältegerät und Verdampferanordnung dafür
DE102005057149A1 (de) 2005-11-30 2007-06-06 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betreiben eines Kühlschranks sowie Kühlschrank mit einem zeitverzögerten Einschalten des Verdichters
DE102007016849A1 (de) 2007-04-10 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit drei Temperaturzonen
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164860A (ja) * 1983-03-09 1984-09-18 株式会社東芝 冷蔵庫の冷凍サイクル
JPS59212662A (ja) * 1983-05-18 1984-12-01 株式会社東芝 冷蔵庫
ES2012138A6 (es) * 1988-11-08 1990-03-01 Ulgor S Coop Mejoras introducidas en un frigorifico-congelador combinado de tres recintos independientes.

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
DK0602379T3 (da) 2002-07-08
ES2173880T3 (es) 2002-11-01
TR27444A (tr) 1995-05-24
EP0602379A3 (en) 1994-07-27
DE59310273D1 (de) 2002-04-25
DE4242776A1 (de) 1994-06-23
EP0602379A2 (fr) 1994-06-22

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