EP0902242A2 - Procédé de fonctionnement d'un appareil frigorifique - Google Patents

Procédé de fonctionnement d'un appareil frigorifique Download PDF

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Publication number
EP0902242A2
EP0902242A2 EP98117162A EP98117162A EP0902242A2 EP 0902242 A2 EP0902242 A2 EP 0902242A2 EP 98117162 A EP98117162 A EP 98117162A EP 98117162 A EP98117162 A EP 98117162A EP 0902242 A2 EP0902242 A2 EP 0902242A2
Authority
EP
European Patent Office
Prior art keywords
compressor
evaporator
temperature
refrigerator
operating
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.)
Withdrawn
Application number
EP98117162A
Other languages
German (de)
English (en)
Other versions
EP0902242A3 (fr
Inventor
Thomas Dipl.-Ing. Guffler (Fh)
Friedrich Dipl.-Ing. Arnold
Walter Lipp
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 EP0902242A2 publication Critical patent/EP0902242A2/fr
Publication of EP0902242A3 publication Critical patent/EP0902242A3/fr
Withdrawn legal-status Critical Current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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • 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
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation

Definitions

  • the invention relates to a method for operating a refrigerator with one of one Evaporator cooled refrigeration compartment and a compressor, which the evaporator with Refrigerant and which when an upper temperature value is reached switched on and switched off when a lower temperature value is reached, the temperature values being recorded by a temperature sensor.
  • the compressor In order to maintain the intended after a longer standstill of the compressor Temperature in the refrigeration compartment necessary low evaporator temperatures To achieve this, the compressor must have relatively low evaporation pressures on its suction side to evaporate the refrigerant present in the liquid phase in the evaporator generate, whereby the efficiency of the refrigerant compressor, i.e. its power consumption in the form of electrical energy and its output in the form of suction power is significantly reduced.
  • the invention has for its object a method for operating a refrigerator to improve according to the preamble of claim 1 with simple measures such that the disadvantages of the prior art are avoided.
  • Cooling a refrigeration compartment serving runtime decreases the evaporation temperature of the Refrigerant in the evaporator does not drop to temperatures as they are in a conventional, continuous operation of the refrigerant compressor during its running time which results in a significantly higher compressor efficiency, i.e. the energy consumption of the compressor is evident from its intermittent operation lowered.
  • the regulation of the temperature in the refrigeration compartment can, for example, via the Standing time of the compressor or alternatively by an intermittent operation of the compressor which is appropriately adapted with regard to its active and passive phases.
  • the time values can be prepared in a particularly fail-safe manner if they are advantageous Embodiment of the object of the invention is provided that the time values for the intermittent operation of the compressor by means of discrete electronic components formed control logic are provided.
  • time values are particularly easy to adapt to different applications, if provided according to an alternative embodiment of the subject of the invention is that the time values for the intermittent operation of the compressor through in one Process computer stored data are provided.
  • the time values for the running times of the compressor in a range between 2.5 min and 10 minutes.
  • the compressor is switched off after reaching a predetermined duration and the evaporator is defrosted by the temperature sensor becomes.
  • the control for defrosting the evaporator is particularly easy to implement, if provided according to an alternative embodiment of the object of the invention is that the compressor is switched off after a predetermined period of time and the evaporator has been defrosted by a temperature sensor becomes.
  • a compressor of a refrigerator was operated with a first relative duty cycle (RED 1 ) of 11% and a second relative duty cycle (RED 2 ) of 20%, and the middle ones in the refrigerator compartment of the Refrigerator obtained air temperatures and their tolerance levels determined. From the determined, including their tolerance levels in curves and The mean air temperature for the refrigerator compartment was interpolated in accordance with the regulations to the mean air temperature of 5 ° C in the refrigerator compartment that is prescribed for the standard energy consumption. Above the curves and is the curve shown for the standard energy consumption shown, which is based on the interpolated average refrigerator compartment temperature of 5 ° C from RED 1 and RED 2 and which shows the effects of an increasing compressor runtime on the standard energy consumption.
  • RED 1 first relative duty cycle
  • RED 2 second relative duty cycle

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP98117162A 1997-09-12 1998-09-10 Procédé de fonctionnement d'un appareil frigorifique Withdrawn EP0902242A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997140190 DE19740190A1 (de) 1997-09-12 1997-09-12 Verfahren zum Betreiben eines Kältegerätes
DE19740190 1997-09-12

Publications (2)

Publication Number Publication Date
EP0902242A2 true EP0902242A2 (fr) 1999-03-17
EP0902242A3 EP0902242A3 (fr) 2000-11-22

Family

ID=7842183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117162A Withdrawn EP0902242A3 (fr) 1997-09-12 1998-09-10 Procédé de fonctionnement d'un appareil frigorifique

Country Status (2)

Country Link
EP (1) EP0902242A3 (fr)
DE (1) DE19740190A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1139042A2 (fr) * 2000-03-27 2001-10-04 MEYER, Friedhelm Dispositif de commande pour installation frigorifique ainsi que procédé de commande
EP1484560A3 (fr) * 2003-06-04 2005-05-25 Sanyo Electric Co., Ltd. Appareil de refroidissement

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537038A (en) * 1982-04-30 1985-08-27 Alsenz Richard H Method and apparatus for controlling pressure in a single compressor refrigeration system
GB2254452A (en) * 1991-04-04 1992-10-07 Total Temperature Control Limi Control of refrigerators and freezers
EP0686818A2 (fr) * 1994-06-08 1995-12-13 Merloni Elettrodomestici S.p.A. Procédé de commande d'un appareil frigorifique et un appareil pour la mise en oeuvre de ce procédé
EP0690277A1 (fr) * 1994-05-30 1996-01-03 Bosch-Siemens HausgerÀ¤te GmbH Dispositif de commande d'une installation de refroidissement ou congélation
EP0727628A2 (fr) * 1995-02-20 1996-08-21 AEG Hausgeräte GmbH Système de contrÔle et méthode de contrÔle de température pour réfrigérateurs
WO1996035979A1 (fr) * 1995-05-12 1996-11-14 Budney Stanley M Dispositif d'optimisation de charges electriques
EP0836065A2 (fr) * 1996-10-14 1998-04-15 Hermann Forster Ag Procédé de fonctionnement d'un réfrigérateur ménager
DE19718609A1 (de) * 1996-11-22 1998-05-28 Aeg Hausgeraete Gmbh Kühlgerät mit einem Kühlraum und einem Gefrierraum

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537038A (en) * 1982-04-30 1985-08-27 Alsenz Richard H Method and apparatus for controlling pressure in a single compressor refrigeration system
GB2254452A (en) * 1991-04-04 1992-10-07 Total Temperature Control Limi Control of refrigerators and freezers
EP0690277A1 (fr) * 1994-05-30 1996-01-03 Bosch-Siemens HausgerÀ¤te GmbH Dispositif de commande d'une installation de refroidissement ou congélation
EP0686818A2 (fr) * 1994-06-08 1995-12-13 Merloni Elettrodomestici S.p.A. Procédé de commande d'un appareil frigorifique et un appareil pour la mise en oeuvre de ce procédé
EP0727628A2 (fr) * 1995-02-20 1996-08-21 AEG Hausgeräte GmbH Système de contrÔle et méthode de contrÔle de température pour réfrigérateurs
WO1996035979A1 (fr) * 1995-05-12 1996-11-14 Budney Stanley M Dispositif d'optimisation de charges electriques
EP0836065A2 (fr) * 1996-10-14 1998-04-15 Hermann Forster Ag Procédé de fonctionnement d'un réfrigérateur ménager
DE19718609A1 (de) * 1996-11-22 1998-05-28 Aeg Hausgeraete Gmbh Kühlgerät mit einem Kühlraum und einem Gefrierraum

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1139042A2 (fr) * 2000-03-27 2001-10-04 MEYER, Friedhelm Dispositif de commande pour installation frigorifique ainsi que procédé de commande
EP1139042A3 (fr) * 2000-03-27 2002-08-14 MEYER, Friedhelm Dispositif de commande pour installation frigorifique ainsi que procédé de commande
EP1484560A3 (fr) * 2003-06-04 2005-05-25 Sanyo Electric Co., Ltd. Appareil de refroidissement
US7040116B2 (en) 2003-06-04 2006-05-09 Sanyo Electric Co., Ltd. Cooling apparatus and method for setting refrigerant sealing amount for the same

Also Published As

Publication number Publication date
EP0902242A3 (fr) 2000-11-22
DE19740190A1 (de) 1999-03-18

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