EP2132496A1 - Appareil frigorifique à trois zones de température - Google Patents

Appareil frigorifique à trois zones de température

Info

Publication number
EP2132496A1
EP2132496A1 EP08718003A EP08718003A EP2132496A1 EP 2132496 A1 EP2132496 A1 EP 2132496A1 EP 08718003 A EP08718003 A EP 08718003A EP 08718003 A EP08718003 A EP 08718003A EP 2132496 A1 EP2132496 A1 EP 2132496A1
Authority
EP
European Patent Office
Prior art keywords
refrigerant
evaporator
storage
storage zones
refrigerant circuit
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
EP08718003A
Other languages
German (de)
English (en)
Other versions
EP2132496B1 (fr
Inventor
Wolfgang Becker
Adolf Feinauer
Helmut Konopa
Peter Nalbach
Wolfgang Nuiding
Berthold Pflomm
Simon Schechinger
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 EP2132496A1 publication Critical patent/EP2132496A1/fr
Application granted granted Critical
Publication of EP2132496B1 publication Critical patent/EP2132496B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
    • 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

Definitions

  • the present invention relates to a refrigeration device having three storage zones which are insulated from one another and cooled by a refrigerant flowing through the evaporator.
  • the evaporators of the three storage zones in a refrigerant circuit are connected in series.
  • the cooling capacity of the evaporator located furthest downstream in the refrigerant circuit is controlled by the amount of refrigerant circulating in the refrigerant circuit.
  • a refrigerant collector is arranged in a high-pressure region of the refrigerant circuit.
  • the refrigerant circuit When storing liquid refrigerant, the refrigerant circuit operates in an underfilled state, causing the refrigerant to substantially evaporate before reaching the most downstream evaporator.
  • the cooling capacity is thus concentrated on the storage zones cooled by the further upstream evaporators. Since in the two upstream storage zones independent control of the cooling capacity is not possible, the cooling capacity of these evaporators and the refrigerant demand of these storage zones must be exactly matched to prevent hypothermia in one or the other storage zone.
  • Evaporator is provided a second injection point, which allows the way of the
  • a refrigerator with three storage zones is known, each associated with arranged in parallel refrigerant circuits evaporator.
  • the aim of the present invention is to provide a refrigeration device with three storage zones, in which the cooling capacity can be flexibly distributed by simple means to the various storage zones.
  • the object is achieved in that in a refrigerator with three insulated from each other and cooled by refrigerant evaporator storage zones, wherein a first refrigerant circuit passes through a first and a second of the three storage zones, a second refrigerant circuit parallel to the first refrigerant circuit through the first and the third of the storage zones runs.
  • the available cooling capacity is distributed to the first and second storage zones in a first ratio (which ratio may be variable by varying the circulating refrigerant amount, controlling the refrigerant pressures, or the like), and if so Refrigerant circulates through the second refrigerant circuit, the cooling power is distributed in a second ratio to the first and the third storage zone.
  • the first storage zone in both refrigerant circuits is the upstream storage zone.
  • the first storage zone is the coldest among the three storage zones.
  • each refrigerant circuit should extend over substantially the entire extent of the evaporator plate of this first storage zone, so that there are no areas on this evaporator plate, which are cooled substantially only by one of the two refrigerant circuits.
  • shut-off valve upstream of the storage zones in each refrigerant circuit.
  • the shut-off valve is preferably a solenoid valve.
  • An evaporator for a refrigerator of the type described above is characterized in that it is on a common board two separate, d. H. having non-communicating refrigerant pipes.
  • an injection point is formed in each of these refrigerant pipes.
  • Fig. 1 shows a schematic representation of a refrigeration device according to the invention.
  • Fig. 1 is a schematic front view of a refrigerator with three storage zones, a freezer 1, a fresh cooling compartment 2 and a normal cooling compartment 3.
  • the freezer compartment 1 and the normal refrigeration compartment 3 are each shown in the open position shown pivotable doors 4, 5 assigned.
  • the normal refrigerated compartment 3 is normally closed by a front panel of a pull-out drawer.
  • the drawer is not shown in the figure so as to be able to show the rear walls of all three compartments 1, 2, 3. On these rear walls is - foam side and therefore not visible per se - each one evaporator 6, 7, 8 for cooling the corresponding compartment 1, 2 and 3 respectively.
  • the evaporators 6, 7, 8 are each shown as dashed outlines.
  • the refrigerant lines may also be formed by pipes attached to the board.
  • refrigerant lines 9, 10 run in meanders side by side from an injection point 1 1 or 12 to an outlet 13 and 14. Both refrigerant lines 9, 10 extend substantially over the entire height and width of the board, so that the entire surface thereof is efficiently cooled by both the refrigerant pipe 9 and the refrigerant pipe 10.
  • the evaporator 7, 8 are connected via a common suction line 15 with a compressor 16, the compressor 16 feeds the two refrigerant lines 9, 10 of the freezer evaporator 6 via a condenser 17, a pressure line 18, a solenoid valve 19 and capillaries 20, 21, which open at the injection points 1 1, 12 in the refrigerant lines 9 and 10 respectively.
  • both refrigerant lines 9, 10 of the freezer evaporator 1 and connected in series with them evaporators 7 and 8 are supplied simultaneously with refrigerant.
  • the refrigerant flow through the freezer evaporator 6 is therefore higher than in the two previously mentioned positions of the solenoid valve 19, but this does not lead to much greater cooling of the freezer compartment evaporator 6. Therefore, in this position in each of the two parallel refrigerant circuits, the distribution of the cooling capacity in favor of the respective downstream compartment 2 or 3 postponed.

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)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP08718003A 2007-04-10 2008-03-19 Appareil frigorifique à trois zones de température Active EP2132496B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007016849A DE102007016849A1 (de) 2007-04-10 2007-04-10 Kältegerät mit drei Temperaturzonen
PCT/EP2008/053277 WO2008122493A1 (fr) 2007-04-10 2008-03-19 Appareil frigorifique à trois zones de température

Publications (2)

Publication Number Publication Date
EP2132496A1 true EP2132496A1 (fr) 2009-12-16
EP2132496B1 EP2132496B1 (fr) 2012-01-25

Family

ID=39365903

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08718003A Active EP2132496B1 (fr) 2007-04-10 2008-03-19 Appareil frigorifique à trois zones de température
EP08736031A Withdrawn EP2132499A1 (fr) 2007-04-10 2008-04-09 Appareil frigorifique comportant des conduites d'agent frigorigène montées en parallèle dans l'échangeur thermique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08736031A Withdrawn EP2132499A1 (fr) 2007-04-10 2008-04-09 Appareil frigorifique comportant des conduites d'agent frigorigène montées en parallèle dans l'échangeur thermique

Country Status (8)

Country Link
US (1) US8245526B2 (fr)
EP (2) EP2132496B1 (fr)
CN (2) CN101652609B (fr)
AT (1) ATE543057T1 (fr)
DE (1) DE102007016849A1 (fr)
ES (1) ES2378348T3 (fr)
RU (2) RU2468308C2 (fr)
WO (2) WO2008122493A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008006893U1 (de) * 2008-03-14 2009-07-30 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
DE202008009956U1 (de) * 2008-04-15 2009-08-20 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
DE102008044289A1 (de) * 2008-12-02 2010-06-10 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit mehreren Fächern
DE102009000840A1 (de) 2009-02-13 2010-08-19 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit vergleichmäßiger Temperaturverteilung
CN103673406B (zh) * 2013-12-11 2016-04-27 常州市常蒸蒸发器有限公司 翅片式蒸发器
US9791188B2 (en) 2014-02-07 2017-10-17 Pdx Technologies Llc Refrigeration system with separate feedstreams to multiple evaporator zones
DE102014213183A1 (de) 2014-07-08 2016-01-14 BSH Hausgeräte GmbH Kältegerät mit zwei Verdichtern
US20190264973A1 (en) * 2018-02-26 2019-08-29 Ronald Koelsch Zone isolation control system for transport refrigeration units
DE102020211910A1 (de) 2020-09-23 2022-03-24 BSH Hausgeräte GmbH Wärmetauscher für ein Kältegerät, Verfahren zur Herstellung eines Wärmetauschers und Kältegerät

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1941495A1 (de) 1968-09-27 1970-04-09 Hitachi Ltd Kuehlgeraet
SU848921A1 (ru) * 1979-06-19 1981-07-23 Предприятие П/Я В-8695 Двухкамерный бытовой холодильник
JPS59212662A (ja) 1983-05-18 1984-12-01 株式会社東芝 冷蔵庫
DE3804863A1 (de) 1988-02-17 1989-08-31 Schmoele Metall R & G Kuehlplatine fuer einen kuehlschrank
DE4242776A1 (de) * 1992-12-17 1994-06-23 Bosch Siemens Hausgeraete Kühlgerät, insbesondere Mehrtemperaturen-Kühlgerät
KR0140503B1 (ko) 1993-02-25 1997-06-10 김광호 구획실의 기능을 변경할 수 있는 냉장고 및 그 제어방법
DE19756861A1 (de) 1997-12-19 1999-06-24 Bosch Siemens Hausgeraete Kältegerät
JP2002267317A (ja) 2001-03-13 2002-09-18 Toshiba Corp 冷蔵庫
JP2003207248A (ja) * 2002-01-15 2003-07-25 Toshiba Corp 冷蔵庫
JP2004324902A (ja) * 2003-04-21 2004-11-18 Matsushita Electric Ind Co Ltd 冷凍冷蔵庫
KR20050038293A (ko) 2003-10-21 2005-04-27 엘지전자 주식회사 냉장고의 밸브제어방법
CA2446025A1 (fr) * 2003-10-22 2005-04-22 Arneg Canada Inc. Mecanisme de refroidissement pour systemes frigorifiques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008122493A1 *

Also Published As

Publication number Publication date
ATE543057T1 (de) 2012-02-15
RU2009137098A (ru) 2011-05-20
EP2132496B1 (fr) 2012-01-25
EP2132499A1 (fr) 2009-12-16
CN101652610A (zh) 2010-02-17
RU2468308C2 (ru) 2012-11-27
US8245526B2 (en) 2012-08-21
WO2008122656A1 (fr) 2008-10-16
RU2009137481A (ru) 2011-05-20
CN101652609B (zh) 2012-09-05
ES2378348T3 (es) 2012-04-11
WO2008122493A1 (fr) 2008-10-16
CN101652609A (zh) 2010-02-17
DE102007016849A1 (de) 2008-10-16
US20100043476A1 (en) 2010-02-25

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