EP2059743B1 - Refrigerator with forced-ventilation condenser - Google Patents

Refrigerator with forced-ventilation condenser Download PDF

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Publication number
EP2059743B1
EP2059743B1 EP07788267.8A EP07788267A EP2059743B1 EP 2059743 B1 EP2059743 B1 EP 2059743B1 EP 07788267 A EP07788267 A EP 07788267A EP 2059743 B1 EP2059743 B1 EP 2059743B1
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EP
European Patent Office
Prior art keywords
refrigerator
condenser
fan
temperature
control circuit
Prior art date
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Active
Application number
EP07788267.8A
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German (de)
French (fr)
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EP2059743A2 (en
Inventor
Georg Hausmann
Hans Ihle
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Priority to PL07788267T priority Critical patent/PL2059743T3/en
Publication of EP2059743A2 publication Critical patent/EP2059743A2/en
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Publication of EP2059743B1 publication Critical patent/EP2059743B1/en
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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • 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
    • F25B2600/11—Fan speed control
    • F25B2600/111—Fan speed control of condenser 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0023—Control of the air flow cooling refrigerating machinery
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer

Definitions

  • the present invention relates to a refrigerator with a condenser forced ventilation by a fan.
  • the storage space of such a refrigerator is cooled by means of a compressor, which is switched on and off in response to the temperature detected by a sensor mounted on the storage space.
  • the power of the compressor in the switched-on state is not regulated, a long-term control of the cooling capacity takes place via the ratio of the operating time of the compressor to the total operating time of the refrigeration device.
  • a refrigeration device according to the preamble of claim 1 is known, it discloses a refrigerator with compressor, a condenser and a fan for the forced ventilation of the condenser known in which a control circuit is arranged to detect the duty cycle of the compressor and a high speed of the fan to select if the relative duty cycle is above a limit and otherwise to select a low speed.
  • WO 2006/087690 A1 proposes to turn off the compressor and a fan cooling the condenser while the door of a refrigerator is open.
  • the object of the invention is to provide a refrigeration device with a condenser and a fan for the forced ventilation of the condenser, in which the noise is reduced by the fan at least temporarily.
  • the ambient temperature of the refrigerator can be used.
  • the actual temperature or the setpoint temperature of an interior of the refrigeration device can also be used.
  • refrigeration unit has a body 1 and a door 2, which enclose a thermally insulated interior 3.
  • the body 1 rests on a hollow, cuboidal base 4, which is divided by a parallel to the sectional plane of Fig. Partition in two rooms.
  • ventilation openings 5 are formed for the inlet and outlet of cooling air.
  • the cooling air first passes into the rear space of the base 4 in the perspective of FIG are hidden by the partition and therefore shown as dashed outlines, a condenser 6 and a compressor 7 are located.
  • a fan 8 In an opening of the partition wall, a fan 8 is mounted, which drives a flow of the cooling air from the rear to a front space of the base 4 through which the plane of the cut passes.
  • This front room contains an evaporation tray 9, which is fed into the interior 3 knockdown condensate.
  • a refrigerant circuit runs in a manner known per se from the compressor 7 via the condenser 6 to an evaporator 10 mounted in thermal contact with the interior 3 in the rear wall of the body 1 and from there back to the compressor 7.
  • a lighting assembly 11 is mounted in the interior 3.
  • the lighting assembly 11 includes a switch 12, which is actuated by a displaceable in contact with the door 2 plunger 13, and to detect the opening state of the door 2 and mounted behind a transparent screen 14 bulbs with the door open 2 and closed door 2 off.
  • the lighting assembly 11 further includes a temperature sensor 15 for detecting the temperature of the inner space 3 and a temperature controller 16, at which a user can set a target temperature of the inner space 3.
  • control circuit 17 which is housed in the example considered here in a cavity of a mounted on the body 1 countertop 18.
  • temperature sensor 19 is mounted for detecting the ambient temperature of the refrigerator adjacent to an outer surface of the countertop 18.
  • the control circuit 17 could be housed in any other suitable cavity of the device, in particular in the base 4, and the temperature sensor 19 could, for. B. in the rear space of the base 4 between the ventilation openings 5 and the condenser 6 may be arranged to detect the temperature of the incoming cooling air before it heats up the condenser 6.
  • the control circuit 17 is connected to the compressor 7 in order to switch it on and off in dependence on the actual temperature of the interior 3 detected at the temperature sensor 15 and the set temperature set on the temperature controller 16.
  • the control circuit 17 is further connected to the fan 8 to turn this time-correlated with the compressor 7 on and off.
  • the temporal correlation can be simultaneity in the simplest case; However, it is also conceivable to switch the blower 8 on and / or off with a specific delay with respect to the compressor 7, so that in an initial phase of the compressor operation in which no appreciable waste heat output at the condenser 6 is obtained, it is not forcibly cooled, and / or in a follow-up phase after switching off the compressor 7 residual heat, which is still stored in the condenser 6, discharged therefrom and thereby deprived of the refrigerant circuit.
  • the control circuit 17 regulates the speed of the fan 8, the higher the higher the temperature detected by the temperature sensor 19 is ambient.
  • a relatively noisy operation of the fan 8 remain reserved situations in which a high ambient temperature leads to a strong heat input into the interior 3 and, accordingly, also to a high dissipated by the condenser 6 waste heat.
  • a reduced speed of the blower 8 leads to reduced flow noise and to a reduced power consumption of the refrigeration device.
  • the speed control can be done solely on the basis of the detected ambient temperature; Alternatively, the target or actual temperature of the interior 3, in particular by forming the difference between this and the ambient temperature, be taken into account, since the heat flow into the interior 3 not from the ambient temperature alone, but from the temperature difference between the environment and the interior. 3 depends.
  • the control circuit 17 also evaluates the opening state of the door 2 via the switch 12 and, in the event that an opening of the door 2 has been observed between a current and the previous operating phase of the compressor 7, a higher Speed of the fan 8, as if such an opening of the door has not occurred.

Description

Die vorliegende Erfindung betrifft ein Kältegerät mit einem Verflüssiger, der durch ein Gebläse zwangsbelüftet ist.The present invention relates to a refrigerator with a condenser forced ventilation by a fan.

Üblicherweise ist der Lagerraum eines solchen Kältegeräts mit Hilfe eines Verdichters gekühlt, der in Abhängigkeit von der durch einen am Lagerraum angebrachten Sensor erfassten Temperatur ein- und ausgeschaltet wird. Die Leistung des Verdichters im eingeschalteten Zustand ist nicht geregelt, eine langfristige Regelung der Kühlleistung erfolgt über das Verhältnis der Betriebszeit des Verdichters zur Gesamtbetriebszeit des Kältegeräts.Usually, the storage space of such a refrigerator is cooled by means of a compressor, which is switched on and off in response to the temperature detected by a sensor mounted on the storage space. The power of the compressor in the switched-on state is not regulated, a long-term control of the cooling capacity takes place via the ratio of the operating time of the compressor to the total operating time of the refrigeration device.

Nur während der Betriebszeit des Verdichters entsteht Abwärme, die am Verflüssiger an die Umgebung abgegeben werden muss. Wenn der Verflüssiger durch ein Gebläse zwangsbelüftet ist, wird das Gebläse daher üblicherweise zusammen mit dem Verdichter ein- und ausgeschaltet.Only during the operating time of the compressor waste heat is generated, which must be discharged to the condenser to the environment. Therefore, when the condenser is force-ventilated by a fan, the fan is usually turned on and off together with the compressor.

Während die Betriebsgeräusche des Verdichters durch Kapselung und schwingungsisolierte Aufhängung befriedigend abschirmbar sind, kann die Geräuschdämmung des Gebläses Probleme aufwerfen, denn die Strömungsgeräusche der den Verflüssiger kühlenden Luft gelangen über diese Luft selbst ins Freie. Die Lautstärke der Strömungsgeräusche wächst mit der Strömungsgeschwindigkeit stark an, und um eine ausreichende Kühlung des Verflüssigers auch bei starkem Wärmeeintrag in das Kältegerät zu gewährleisten, darf die Strömungsgeschwindigkeit der Zwangsbelüftung nicht zu niedrig angesetzt werden.While the operating noise of the compressor by encapsulation and vibration-insulated suspension are satisfactorily shielded, the noise insulation of the fan can cause problems, because the flow noise of the condenser cooling air through this air itself to the outside. The volume of the flow noise increases strongly with the flow velocity, and to ensure sufficient cooling of the condenser even with strong heat input into the refrigerator, the flow rate of the forced ventilation must not be set too low.

Aus WO 2004/015342 A1 ist ein Kältegerät gemäß dem Oberbegriff von Anspruch 1 bekannt, es offenbart ein Kältegerät mit Verdichter, einem Verflüssiger und einem Gebläse für die Zwangsbelüftung des Verflüssigers bekannt, bei dem eine Steuerschaltung eingerichtet ist, die relative Einschaltdauer des Verdichters zu erfassen und eine hohe Drehzahl des Gebläses zu wählen, wenn die relative Einschaltdauer über einem Grenzwert liegt und anderenfalls eine niedrige Drehzahl zu wählen.Out WO 2004/015342 A1 a refrigeration device according to the preamble of claim 1 is known, it discloses a refrigerator with compressor, a condenser and a fan for the forced ventilation of the condenser known in which a control circuit is arranged to detect the duty cycle of the compressor and a high speed of the fan to select if the relative duty cycle is above a limit and otherwise to select a low speed.

WO 2006/087690 A1 schlägt vor, während des Offenstehens der Tür eines Kältegeräts dessen Verdichter sowie ein den Verflüssiger kühlendes Gebläse auszuschalten. WO 2006/087690 A1 proposes to turn off the compressor and a fan cooling the condenser while the door of a refrigerator is open.

Aufgabe der Erfindung ist, ein Kältegerät mit einem Verflüssiger und einem Gebläse für die Zwangsbelüftung des Verflüssigers anzugeben, bei dem die Geräuschentwicklung durch das Gebläse wenigstens zeitweilig vermindert ist.The object of the invention is to provide a refrigeration device with a condenser and a fan for the forced ventilation of the condenser, in which the noise is reduced by the fan at least temporarily.

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Kältegerät mit den Merkmalen des Anspruchs 1. Hierbei wird davon ausgegangen, dass ein starker Wärmeeintrag in den Innenraum des Kältegeräts nur auftreten kann, wenn die Tür geöffnet wird, so dass es nur unter der Voraussetzung, dass die Tür geöffnet worden ist, erforderlich sein kann, das Gebläse mit hohem Durchsatz zu betreiben, während anderenfalls ein niedrigerer, weniger starke Geräusche entwickelnder Durchsatz ausreicht.This object is achieved by a refrigeration device having the features of claim 1. It is assumed that a strong heat input into the interior of the refrigerator can only occur when the door is opened, so it only on condition that the door may be required to operate the blower at high throughput, while otherwise a lower, less strong noise developing throughput is sufficient.

Unteransprüche sind auf vorteilhafte Weiterbildungen der Erfindung gerichtet.Subclaims are directed to advantageous developments of the invention.

Als eine Temperatur, an Hand derer der Durchsatz gesteuert wird, kann die Umgebungstemperatur des Kältegeräts herangezogen werden.As a temperature at which the throughput is controlled, the ambient temperature of the refrigerator can be used.

Alternativ oder ergänzend kann ferner die Ist-Temperatur oder die Soll-Temperatur eines Innenraums des Kältegeräts herangezogen werden.Alternatively or additionally, the actual temperature or the setpoint temperature of an interior of the refrigeration device can also be used.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beigefügte Figur.Further features and advantages of the invention will become apparent from the following description of an embodiment with reference to the accompanying figure.

Diese zeigt einen schematischen Schnitt durch ein erfindungsgemäßes Kältegerät.This shows a schematic section through an inventive refrigeration device.

Das in der Fig. 1 gezeigte Kältegerät hat einen Korpus 1 und eine Tür 2, die einen wärmeisolierten Innenraum 3 umschließen. Der Korpus 1 ruht auf einem hohlen, quaderförmigen Sockel 4, der durch eine zur Schnittebene der Fig. parallele Trennwand in zwei Räume unterteilt ist. In einer vorderen Wand des Sockels 4, unterhalb der Tür 2, sind Lüftungsöffnungen 5 für den Ein- und Austritt von Kühlluft gebildet. Die Kühlluft gelangt zunächst in den in der Perspektive der Fig. hinteren Raum des Sockels 4, in welchem sich, durch die Trennwand verdeckt und deshalb als gestrichelte Umrisse dargestellt, ein Verflüssiger 6 und ein Verdichter 7 befinden.That in the Fig. 1 shown refrigeration unit has a body 1 and a door 2, which enclose a thermally insulated interior 3. The body 1 rests on a hollow, cuboidal base 4, which is divided by a parallel to the sectional plane of Fig. Partition in two rooms. In a front wall of the base 4, below the door 2, ventilation openings 5 are formed for the inlet and outlet of cooling air. The cooling air first passes into the rear space of the base 4 in the perspective of FIG are hidden by the partition and therefore shown as dashed outlines, a condenser 6 and a compressor 7 are located.

In einer Öffnung der Trennwand ist ein Gebläse 8 montiert, das einen Strom der Kühlluft von dem hinteren in einen vorderen Raum des Sockels 4 antreibt, durch den die Ebene des Schnitts verläuft. Dieser vordere Raum enthält eine Verdunstungsschale 9, der sich in dem Innenraum 3 niederschlagendes Tauwasser zugeführt wird.In an opening of the partition wall, a fan 8 is mounted, which drives a flow of the cooling air from the rear to a front space of the base 4 through which the plane of the cut passes. This front room contains an evaporation tray 9, which is fed into the interior 3 knockdown condensate.

Ein in der Fig. nicht im Detail gezeigter Kältemittelkreislauf verläuft in an sich bekannter Weise vom Verdichter 7 über den Verflüssiger 6 zu einem in der Rückwand des Korpus 1 in thermischen Kontakt mit dem Innenraum 3 angebrachten Verdampfer 10 und von dort zurück zum Verdichter 7.A refrigerant circuit, not shown in detail in the figure, runs in a manner known per se from the compressor 7 via the condenser 6 to an evaporator 10 mounted in thermal contact with the interior 3 in the rear wall of the body 1 and from there back to the compressor 7.

An einer Seitenwand des Korpus 1 ist im Innenraum 3 eine Beleuchtungsbaugruppe 11 montiert. Die Beleuchtungsbaugruppe 11 enthält einen Schalter 12, der durch einen im Kontakt mit der Tür 2 verschiebbaren Stößel 13 betätigbar ist, und den Öffnungszustand der Tür 2 zu erfassen und ein hinter einem transparenten Schirm 14 montiertes Leuchtmittel bei geöffneter Tür 2 ein- und bei geschlossener Tür 2 auszuschalten.On a side wall of the body 1, a lighting assembly 11 is mounted in the interior 3. The lighting assembly 11 includes a switch 12, which is actuated by a displaceable in contact with the door 2 plunger 13, and to detect the opening state of the door 2 and mounted behind a transparent screen 14 bulbs with the door open 2 and closed door 2 off.

Die Beleuchtungsbaugruppe 11 enthält ferner einen Temperatursensor 15 zum Erfassen der Temperatur des Innenraums 3 und einen Temperaturregler 16, an welchem ein Benutzer eine Solltemperatur des Innenraums 3 einstellen kann.The lighting assembly 11 further includes a temperature sensor 15 for detecting the temperature of the inner space 3 and a temperature controller 16, at which a user can set a target temperature of the inner space 3.

Schalter 12, Temperatursensor 15 und Temperaturregler 16 sind mit einer Steuerschaltung 17 verbunden, die bei dem hier betrachteten Beispiel in einem Hohlraum einer auf dem Korpus 1 montierten Arbeitsplatte 18 untergebracht ist. Ein weiterer mit der Steuerschaltung 17 verbundener Temperatursensor 19 ist zum Erfassen der Umgebungstemperatur des Kältegeräts benachbart zu einer Außenfläche der Arbeitsplatte 18 angebracht. Selbstverständlich könnte die Steuerschaltung 17 in jedem beliebigen anderen geeigneten Hohlraum des Geräts, insbesondere in dem Sockel 4, untergebracht sein, und der Temperatursensor 19 könnte z. B. im hinteren Raum des Sockels 4 zwischen den Lüftungsöffnungen 5 und dem Verflüssiger 6 angeordnet sein, um die Temperatur der einströmenden Kühlluft zu erfassen, bevor diese sich am Verflüssiger 6 erwärmt.Switch 12, temperature sensor 15 and temperature controller 16 are connected to a control circuit 17, which is housed in the example considered here in a cavity of a mounted on the body 1 countertop 18. Another connected to the control circuit 17 temperature sensor 19 is mounted for detecting the ambient temperature of the refrigerator adjacent to an outer surface of the countertop 18. Of course, the control circuit 17 could be housed in any other suitable cavity of the device, in particular in the base 4, and the temperature sensor 19 could, for. B. in the rear space of the base 4 between the ventilation openings 5 and the condenser 6 may be arranged to detect the temperature of the incoming cooling air before it heats up the condenser 6.

Die Steuerschaltung 17 ist mit dem Verdichter 7 verbunden, um diesen in Abhängigkeit von der am Temperatursensor 15 erfassten Ist-Temperatur des Innenraums 3 und der am Temperaturregler 16 eingestellten Soll-Temperatur ein- und auszuschalten.The control circuit 17 is connected to the compressor 7 in order to switch it on and off in dependence on the actual temperature of the interior 3 detected at the temperature sensor 15 and the set temperature set on the temperature controller 16.

Die Steuerschaltung 17 ist ferner mit dem Gebläse 8 verbunden, um dieses zeitlich korreliert mit dem Verdichter 7 ein- und auszuschalten.The control circuit 17 is further connected to the fan 8 to turn this time-correlated with the compressor 7 on and off.

Die zeitliche Korrelation kann im einfachsten Fall eine Gleichzeitigkeit sein; denkbar ist aber auch, das Gebläse 8 jeweils mit einer bestimmten Verzögerung im Bezug auf den Verdichter 7 ein- und/oder auszuschalten, so dass in einer Anfangsphase des Verdichterbetriebs, in der noch keine nennenswerte Abwärmeleistung am Verflüssiger 6 anfällt, dieser nicht zwangsgekühlt wird, und/oder in einer Nachlaufphase nach Abschalten des Verdichters 7 Restwärme, die noch im Verflüssiger 6 gespeichert ist, von dort abgeführt und dadurch dem Kältemittelkreislauf entzogen wird.The temporal correlation can be simultaneity in the simplest case; However, it is also conceivable to switch the blower 8 on and / or off with a specific delay with respect to the compressor 7, so that in an initial phase of the compressor operation in which no appreciable waste heat output at the condenser 6 is obtained, it is not forcibly cooled, and / or in a follow-up phase after switching off the compressor 7 residual heat, which is still stored in the condenser 6, discharged therefrom and thereby deprived of the refrigerant circuit.

Die Steuerschaltung 17 regelt die Drehzahl des Gebläses 8 umso höher, je höher die vom Temperatursensor 19 erfasste Umgebungstemperatur ist. So kann ein relativ geräuschintensiver Betrieb des Gebläses 8 Situationen vorbehalten bleiben, in denen eine hohe Umgebungstemperatur zu einem starken Wärmeeintrag in den Innenraum 3 und dementsprechend auch zu einer hohen vom Verflüssiger 6 abzuführenden Abwärmeleistung führt. Bei niedrigeren Umgebungstemperaturen führt eine demgegenüber verringerte Drehzahl des Gebläses 8 zu verminderten Strömungsgeräuschen und zu einer verringerten Leistungsaufnahme des Kältegeräts.The control circuit 17 regulates the speed of the fan 8, the higher the higher the temperature detected by the temperature sensor 19 is ambient. Thus, a relatively noisy operation of the fan 8 remain reserved situations in which a high ambient temperature leads to a strong heat input into the interior 3 and, accordingly, also to a high dissipated by the condenser 6 waste heat. At lower ambient temperatures, on the other hand, a reduced speed of the blower 8 leads to reduced flow noise and to a reduced power consumption of the refrigeration device.

Die Drehzahlregelung kann allein anhand der erfassten Umgebungstemperatur erfolgen; alternativ kann auch die Soll- oder Ist-Temperatur des Innenraums 3, insbesondere durch Bilden der Differenz durch dieser und der Umgebungstemperatur, berücksichtigt werden, da der Wärmezufluss in den Innenraum 3 nicht von der Umgebungstemperatur allein, sondern von der Temperaturdifferenz zwischen Umgebung und Innenraum 3 abhängt.The speed control can be done solely on the basis of the detected ambient temperature; Alternatively, the target or actual temperature of the interior 3, in particular by forming the difference between this and the ambient temperature, be taken into account, since the heat flow into the interior 3 not from the ambient temperature alone, but from the temperature difference between the environment and the interior. 3 depends.

Die Steuerschaltung 17 wertet auch den Öffnungszustand der Tür 2 über den Schalter 12 aus und stellt in dem Fall, dass zwischen einer gegenwärtigen und der vorgehenden Betriebsphase des Verdichters 7 ein Öffnen der Tür 2 beobachtet worden ist, eine höhere Drehzahl des Gebläses 8 ein, als wenn ein solches Öffnen der Tür nicht stattgefunden hat.The control circuit 17 also evaluates the opening state of the door 2 via the switch 12 and, in the event that an opening of the door 2 has been observed between a current and the previous operating phase of the compressor 7, a higher Speed of the fan 8, as if such an opening of the door has not occurred.

Claims (6)

  1. Refrigerator with a condenser (6), a fan (8) for the forced ventilation of the condenser (6) and a control circuit (17) which variably controls the throughflow of the fan (8) in a temperature-dependent fashion, characterised in that the control circuit (17) is connected to a sensor (12) for detecting the opening of the door and is set up to operate the fan with a higher throughflow after the door has been opened than when the door has not been opened.
  2. Refrigerator according to claim 1, characterised in that the control circuit (17) is at least connected to a sensor (19) for detecting the ambient temperature of the refrigerator and controls the throughflow on the basis of the temperature detected by the ambient temperature sensor (19).
  3. Refrigerator according to claim 1 or 2, characterised in that the control circuit (17) controls the throughput on the basis of the actual temperature or the target temperature of an interior compartment of the refrigerator.
  4. Refrigerator according to one of the preceding claims, characterised in that the condenser (6) is embodied in the form of a condenser wound in the form of a spiral and is arranged in a base chamber of a base (4) below the refrigeration chamber (3) of the refrigerator.
  5. Refrigerator according to claim 2, characterised in that the control circuit (17) is set up to control the speed of the fan (8) as a function of the ambient temperatures of the refrigerator detected by the sensor (19).
  6. Refrigerator according to one of the preceding claims, characterised in that the control circuit (17) is set up to control the speed of the fan (8) by speed stages stored in a data memory of the refrigerator, said speed stages being adjusted in accordance with the ambient temperatures of the refrigerator detected by the sensor (19).
EP07788267.8A 2006-08-29 2007-08-07 Refrigerator with forced-ventilation condenser Active EP2059743B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07788267T PL2059743T3 (en) 2006-08-29 2007-08-07 Refrigerator with forced-ventilation condenser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006040379A DE102006040379A1 (en) 2006-08-29 2006-08-29 Refrigeration unit with forced-ventilated condenser
PCT/EP2007/058161 WO2008025648A2 (en) 2006-08-29 2007-08-07 Refrigerator with forced-ventilation condenser

Publications (2)

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EP2059743A2 EP2059743A2 (en) 2009-05-20
EP2059743B1 true EP2059743B1 (en) 2017-08-02

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US (1) US8820101B2 (en)
EP (1) EP2059743B1 (en)
CN (1) CN101512270B (en)
DE (1) DE102006040379A1 (en)
PL (1) PL2059743T3 (en)
RU (1) RU2438077C2 (en)
WO (1) WO2008025648A2 (en)

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RU2438077C2 (en) 2011-12-27
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US8820101B2 (en) 2014-09-02
CN101512270A (en) 2009-08-19
CN101512270B (en) 2012-01-04
US20090241567A1 (en) 2009-10-01
EP2059743A2 (en) 2009-05-20
WO2008025648A2 (en) 2008-03-06
WO2008025648A3 (en) 2008-04-24
DE102006040379A1 (en) 2008-03-06

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