EP0703421B1 - Kühlmöbel mit wenigstens zwei Fächern unterschiedlicher Temperatur - Google Patents

Kühlmöbel mit wenigstens zwei Fächern unterschiedlicher Temperatur Download PDF

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Publication number
EP0703421B1
EP0703421B1 EP95112177A EP95112177A EP0703421B1 EP 0703421 B1 EP0703421 B1 EP 0703421B1 EP 95112177 A EP95112177 A EP 95112177A EP 95112177 A EP95112177 A EP 95112177A EP 0703421 B1 EP0703421 B1 EP 0703421B1
Authority
EP
European Patent Office
Prior art keywords
cooling
refrigerant
circuit
serving
reservoir
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
EP95112177A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0703421A3 (de
EP0703421A2 (de
Inventor
Roland Dipl.-Ing. Maier
Walter Dipl.-Ing. Holz
Friedrich Dipl.-Ing. Arnold
Wolfgang Dipl.-Ing. Nuiding
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
Priority to SI9530493T priority Critical patent/SI0703421T1/xx
Publication of EP0703421A2 publication Critical patent/EP0703421A2/de
Publication of EP0703421A3 publication Critical patent/EP0703421A3/de
Application granted granted Critical
Publication of EP0703421B1 publication Critical patent/EP0703421B1/de
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
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0415—Refrigeration circuit bypassing means for the receiver
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/16—Receivers
    • 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
    • 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
    • F25D2400/30—Quick freezing

Definitions

  • the invention relates to a refrigerator according to the preamble of Claim 1.
  • Such a refrigerator is e.g. known from FR-A-2 652 150.
  • DE-OS 35 08 805 is a two-temperature refrigerator known, the thermally separated subjects different Temperature cooled by one evaporator each are in a refrigeration cycle with a single compressor lie and controlled by this as heatable chokes trained control bodies depending on the cooling requirements in the subjects either one after the other or simultaneously with liquid refrigerant can be applied.
  • a refrigerant overfill in single operation Avoiding the evaporator is on the pressure side of the compressor a collector downstream, which is similar to a dead end trained connection line to the pressure line of the compressor is connected and which a heating element for Expulsion of the liquid stored in its collection space Refrigerant is assigned.
  • Refrigeration demand is signaled with a lead time the collector before commissioning the compressor assigned heating element activated, then the saved supply liquid refrigerant to the refrigerant circuit.
  • Another two-temperature cooling device is from DE-OS 40 20 537 known, the thermally separated cold compartments different temperature in series within one equipped with a single compressor Refrigeration circuit and depending on the cooling requirement, controlled by lockable Throttling devices each individually or together are charged with refrigerant, the amount of refrigerant is matched to the filling quantity of the two evaporators. If cooling demand is only signaled for one of the two cooling compartments, so that is available in the entire refrigeration circuit Refrigerant amount to overfill one at a time to avoid operating evaporator by using an over one Throttle valve can be tapped off the condenser accordingly divided the capacity of this evaporator. As a result the liquefier will only be tapped before this Tapping section from that through the compressor circulated refrigerant flows.
  • the invention has for its object in a refrigerator propose measures according to the preamble of claim 1, due to which the optimal for cooling the individual compartments Refrigerant amount is always provided and there at the same time avoided the disadvantages of the prior art are.
  • the solution according to the invention ensures that at a refrigeration requirement for all subjects Amount of refrigerant immediately after the refrigeration requirement is signaled available to the refrigeration circuit without time reserve stands. Furthermore, the entire surface of the condenser is always acted as a heat exchange surface, so that especially when underfilled operated refrigeration cycle the compressor running times and thus the energy consumption of the refrigerator is significantly reduced are. In addition, energy-intensive heaters can There is no need to expel the refrigerant from the collector.
  • a preferred embodiment corresponds to the capacity of the reservoir at least the liquid volume of the refrigerant circuit to control the temperature of the storage compartments to withdraw liquid refrigerant.
  • the invention provides that that for receiving liquid refrigerant reservoir and this in the Refrigerant circuit to be used to divert the Condenser is connected downstream.
  • any structural conditions that may arise to take into account on the refrigerator is provided that the reservoir used to hold liquid refrigerant and the deflection element used to integrate it into the refrigeration circuit arranged between the compressor and the condenser is.
  • the invention provides that the deflecting the for holding liquid refrigerant reservoir is connected upstream on the input side.
  • the deflector as a 3/2-way valve is trained.
  • a 3/2-way valve is particularly expedient, if after a next preferred embodiment of the object the invention provides that the 3/2-way valve as a bistable electrically controllable solenoid valve is trained.
  • the solenoid valve is particularly precisely timed and controlled as required, if according to a further preferred embodiment the object of the invention is provided that the electrically controllable solenoid valve by an electrical evaluation circuit depending on the higher in the subject Storage temperature by a temperature sensor and temperature controlled by the evaluation circuit is controlled.
  • the object of the invention is that for cooling of compartments of different temperature serving evaporators arranged in series with each other within the refrigeration circuit are and a cooling capacity falling in the refrigerant flow direction exhibit.
  • the invention provides that for cooling the compartments different temperature evaporators inside the refrigeration circuit arranged in parallel to each other are.
  • a household refrigerator 10 is shown, on the heat-insulating housing 11 three about vertical axes of rotation pivotable doors 12 to 14 are hinged. These serve to close one another by two mutually spaced partitions 15 and 16 produced and through these thermally separated compartments 17 to 19, which have different storage temperatures.
  • the compartments 17 to 19 is the overhead one with the door 12 lockable compartment 17 as normal refrigerator compartment, the middle, separated by the partition 15 and through the door 13 coverable compartment 18 designed as a cold storage compartment, while the one below, through the partition 16 from the cold storage compartment 18 thermally separated compartment 19 serves as a freezer compartment and can be closed with the door 14.
  • Those in the individual subjects 17 to 19 prevailing subject-specific storage temperature is generated and maintained by a single refrigeration circuit 20.
  • the cooling circuit 20 to maintain the temperature in the individual compartments 17 to 19 with three connected in series within the refrigeration circuit arranged in a row, with different Cooling capacity equipped evaporators 21 to 23, of which the evaporator with the highest cooling capacity 21 is assigned to the freezer compartment 19 and an injection point for the refrigerant.
  • the freezer evaporator 21 is the outlet side in the refrigerant flow direction Cooling of the cold storage compartment 18 serving evaporator 22, at which the normal refrigerator compartment 17, the lowest cooling capacity evaporators 23 connects.
  • a condenser 25 is connected downstream in the refrigerant flow direction is, for example, on that of the doors 12 to 14 facing away from the rear of the housing 11 is arranged.
  • On the condenser 25 closes on the outlet side with hygroscopic Material equipped dryer cartridge 26, which serves the purpose of filling the cooling circuit resulting residual water content from the liquid refrigerant to absorb.
  • the dryer cartridge 26 is on the output side connected to the entrance of a deflection member 27.
  • the change of the switching positions of the solenoid valve 27 conditional control signals are not from one in detail described evaluation and control electronics 30 generated, and via a signal line 31 to the solenoid valve 27 fed.
  • the evaluation and control electronics 30 each in the normal refrigerator compartment 17 or in the cold storage compartment 18 prevailing storage temperature, with this in the air temperature in both compartments is an NTC sensor sensing element 32 is provided, which each via a signal line 33 or 34 for data transmission connected to the evaluation and control electronics 30 is.
  • the evaluation and control electronics 30 also serves to control the internal clearance in the cold storage compartment 18 circulating fan 35, which for the purpose of its control via a control line 36 with the evaluation and Control electronics 30 is connected, via which the operation of the compressor 24 is controlled, for which one the evaluation and control electronics 30 with the compressor 24 connecting control line 37 is provided.
  • the driven by the compressor 24 in the refrigeration cycle 20 circulated liquid refrigerant amount is dependent the one prevailing in the cooling compartment 17, from the NTC sensor detected and via the signal line 33 of the evaluation and control electronics 30 transmitted temperature controlled, wherein this when the temperature falls below a predetermined limit in the refrigerator compartment 17, the solenoid valve 27 via the signal line 31 switched to its switching position 1, so that reservoir 28 serving as a liquid refrigerant collector is no longer flowed through by the refrigerant.
  • the reservoir 28 is in the cooling circuit 20 involved and thus flows through it Amount of liquid refrigerant accumulated in the refrigerant circuit 20 arrives and for cooling the storage compartments 17 to 19 of the cooling device 10 is available.
  • the invention can also be in parallel Use switched vaporizers, taking care to separate them A corresponding circuit is applied to the refrigerant to be provided with electrically controllable solenoid valves is.

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)
EP95112177A 1994-09-21 1995-08-02 Kühlmöbel mit wenigstens zwei Fächern unterschiedlicher Temperatur Expired - Lifetime EP0703421B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530493T SI0703421T1 (en) 1994-09-21 1995-08-02 Refrigerated cabinet with at least two compartments having different temperatures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4433712 1994-09-21
DE4433712A DE4433712A1 (de) 1994-09-21 1994-09-21 Kühlmöbel mit wenigstens zwei Fächern unterschiedlicher Temperatur

Publications (3)

Publication Number Publication Date
EP0703421A2 EP0703421A2 (de) 1996-03-27
EP0703421A3 EP0703421A3 (de) 1997-09-24
EP0703421B1 true EP0703421B1 (de) 2001-07-11

Family

ID=6528820

Family Applications (2)

Application Number Title Priority Date Filing Date
EP95112177A Expired - Lifetime EP0703421B1 (de) 1994-09-21 1995-08-02 Kühlmöbel mit wenigstens zwei Fächern unterschiedlicher Temperatur
EP95114898A Withdrawn EP0703422A3 (de) 1994-09-21 1995-09-21 Gefriergerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95114898A Withdrawn EP0703422A3 (de) 1994-09-21 1995-09-21 Gefriergerät

Country Status (5)

Country Link
EP (2) EP0703421B1 (es)
DE (2) DE4433712A1 (es)
ES (1) ES2159586T3 (es)
SI (1) SI0703421T1 (es)
TR (2) TR199501116A2 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003052331A1 (de) 2001-12-19 2003-06-26 BSH Bosch und Siemens Hausgeräte GmbH Kältemaschine mit einem druckseitigen kältemittelsammler
US6681595B1 (en) 1999-12-03 2004-01-27 Empresa Brasileira De Compressores S.A. -Embraco Refrigeration circuit

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19843484A1 (de) * 1998-09-22 2000-03-23 Bsh Bosch Siemens Hausgeraete Einkreiskältesystem
TR200103796T2 (tr) * 1999-06-04 2002-05-21 Arçeli̇k Anoni̇m Şi̇rketi̇ Buzdolabı ek evaporatörü.
DE10154273A1 (de) * 2001-11-05 2003-05-15 Bsh Bosch Siemens Hausgeraete Tischkühlgerät
DE102006061091A1 (de) * 2006-12-22 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Kühlmöbel mit wenigstens zwei thermisch voneinander getrennten Fächern
JP6275283B2 (ja) * 2015-01-16 2018-02-07 三菱電機株式会社 冷凍サイクル装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2133961A (en) * 1936-11-11 1938-10-25 Westinghouse Electric & Mfg Co Refrigeration apparatus
US2133964A (en) * 1937-04-01 1938-10-25 Westinghouse Electric & Mfg Co Refrigerating apparatus
DE1095861B (de) * 1958-04-19 1960-12-29 Atlas As Kuehl- oder Gefrieranlage mit mindestens zwei voneinander getrennten Kammern
DE3317074C2 (de) * 1983-05-10 1986-07-17 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Kombiniertes Kühl- und Gefriergerät, mit einem gemeinsamen Kälteaggregat
DE3508805A1 (de) 1985-03-12 1986-09-18 Bosch Siemens Hausgeraete Kuehlmoebel, insbesondere zweitemperaturen-kuehlschrank
DE3721388C1 (de) * 1987-06-29 1988-12-08 Sueddeutsche Kuehler Behr Vorrichtung zur Klimatisierung des Innenraums von Personenkraftwagen
ES2012138A6 (es) * 1988-11-08 1990-03-01 Ulgor S Coop Mejoras introducidas en un frigorifico-congelador combinado de tres recintos independientes.
DE3930319A1 (de) * 1989-09-11 1991-03-14 Mo T I Kompressionskaelteaggregat
DE4020537A1 (de) 1990-06-28 1992-01-02 Bauknecht Hausgeraete Mehrtemperaturen-kuehlmoebel, z.b. kuehl-gefrierkombination

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6681595B1 (en) 1999-12-03 2004-01-27 Empresa Brasileira De Compressores S.A. -Embraco Refrigeration circuit
WO2003052331A1 (de) 2001-12-19 2003-06-26 BSH Bosch und Siemens Hausgeräte GmbH Kältemaschine mit einem druckseitigen kältemittelsammler

Also Published As

Publication number Publication date
TR199501116A2 (tr) 1996-06-21
ES2159586T3 (es) 2001-10-16
DE4433712A1 (de) 1996-03-28
EP0703421A3 (de) 1997-09-24
DE59509398D1 (de) 2001-08-16
TR199501152A2 (tr) 1996-06-21
SI0703421T1 (en) 2002-10-31
EP0703422A3 (de) 1997-09-24
EP0703421A2 (de) 1996-03-27
EP0703422A2 (de) 1996-03-27

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