EP2396609A1 - Heat exchanger in particular condenser for a domestic refrigerator - Google Patents

Heat exchanger in particular condenser for a domestic refrigerator

Info

Publication number
EP2396609A1
EP2396609A1 EP10701864A EP10701864A EP2396609A1 EP 2396609 A1 EP2396609 A1 EP 2396609A1 EP 10701864 A EP10701864 A EP 10701864A EP 10701864 A EP10701864 A EP 10701864A EP 2396609 A1 EP2396609 A1 EP 2396609A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
exchanger tube
fastening device
fan
condenser
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
EP10701864A
Other languages
German (de)
French (fr)
Other versions
EP2396609B1 (en
Inventor
Detlef Cieslik
Christian Hein
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 EP2396609A1 publication Critical patent/EP2396609A1/en
Application granted granted Critical
Publication of EP2396609B1 publication Critical patent/EP2396609B1/en
Not-in-force 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
    • F28D1/024—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element

Definitions

  • Heat exchanger in particular condenser for a
  • the invention relates to a heat exchanger, in particular a condenser for a household refrigerator.
  • Refrigeration circuits of domestic refrigeration appliances include condensers whose function is to deliver a heat taken up by an evaporator and compressor to the ambient air.
  • Condensers may e.g. be attached to the rear wall of the household refrigerator. If the condenser is not on the back wall, but e.g. attached in an available space of the compressor room, it is possible to increase the interior of the household refrigerator. The space is relatively cramped.
  • the object of the invention is to provide a relatively compact heat exchanger, in particular a condenser for a household refrigerator.
  • the object of the invention is achieved by a heat exchanger, comprising a three-dimensionally spirally curved heat exchanger tube and arranged in the space bounded by the heat exchanger tube, attached to the heat exchanger tube fan.
  • the heat exchanger according to the invention is in particular a condenser for a household refrigerator.
  • Another aspect of the invention relates to a domestic refrigeration appliance, comprising a cold room and a cold room cooling refrigeration cycle with the liquefier according to the invention.
  • the heat exchanger or condenser according to the invention accordingly has the heat exchanger tube, which has been wound, for example, over a defined winding core in order to obtain the three-dimensional spiral shape.
  • the curved or possibly wound heat exchanger tube defines a space in which the fan according to the invention is arranged, wherein the fan is fastened or fixed eg by means of webs on the heat exchanger tube.
  • both the suction side and the pressure side of the fan are used for cooling the condenser or heat exchanger according to the invention.
  • This inventive arrangement of the fan allows a relatively space-saving design of the condenser or heat exchanger according to the invention, which can also be produced relatively inexpensively.
  • the size of the condenser or heat exchanger according to the invention can be changed, for example, by the number of pipe turns of the heat exchanger tube and / or the pitch of the heat exchanger tube. Over the length of the elongated heat exchanger tube, which defines its surface, and the size of the fan, the condenser according to the invention can be adapted to the respective requirements of Käteijns invention.
  • the heat exchanger tube may be made of various materials.
  • It is preferably made of metal, e.g. made of aluminum, copper or steel.
  • Condenser has the bent heat exchanger tube superimposed particularly semicircular first curved portions and superimposed particular semicircular second curved portions which are connected to particular rectilinear sections of the heat exchanger tube.
  • the pipe turns can be realized.
  • the heat exchanger or condenser according to the invention may preferably have a fastening device, eg webs, by means of which the fan is fastened to the heat exchanger tube.
  • the attachment can be realized for example by means of snap hooks.
  • the fastening device may, for example, have a first partial fastening device and a second partial fastening device, between which the fan is arranged or fastened.
  • the fastening device is fastened to the first curved and / or to the second curved section of the heat exchanger tube. If the fastening device comprises the two sub-fastening devices, then one of the two sub-fastening devices can be fastened to the first curved section and the other sub-fastening device can be fastened to the second curved section.
  • the fastening device or the two partial fastening devices can each be semi-cylindrical. Then it is possible, as provided according to an embodiment of the heat exchanger or condenser according to the invention, to fasten the fastening device with its circular segment-shaped lateral surface on the first curved or on the second curved portion of the heat exchanger tube. Does the fastening device the two
  • Partial fastening devices which are optionally formed in each case semi-cylindrical, then one of the partial fastening devices with its circular segment-shaped lateral surface on the first curved portion and the other partial fastening device with its circular segment-shaped lateral surface may be attached to the second curved portion of the heat exchanger tube. Between the two
  • the fastening device may be made of a noise-reducing or a sound-absorbing material, such as rubber. As a result, for example, a noise generated by the fan during operation of the condenser or heat exchanger according to the invention can be reduced.
  • the fastening device or the partial fastening devices can have, in particular, in their interior a liquid or solid heat-storing medium in particular, as a result of which the thermal properties of the heat exchanger or condenser according to the invention can be improved in a relatively simple manner.
  • the condenser or heat exchanger according to the invention can be set up freely, for example.
  • this has a shuttering within which the bent heat exchanger tube is arranged in particular attached.
  • the shuttering for example, to further increase the effectiveness of an airflow generated by the fan have a structure for the air flow generated by the fan conductive structure.
  • Fig. 1 is a household refrigerator with a refrigeration cycle
  • Figures 2 to 5 a condenser of the refrigeration cycle.
  • Fig. 1 shows a side view of a household refrigerator 1, which has a heat-insulating housing 2 in a generally known manner, which limits a heat-insulated interior or cold space, not shown.
  • a heat-insulating housing 2 On the housing 2, for example by means not shown hinges heat-insulating door leaf 3 is struck for closing the cold room, which closes the cold room in the closed state and the cold room is open in the open state, so that this example loaded with refrigerated goods or be taken from it cold can.
  • the domestic refrigeration appliance 1 further comprises a non-illustrated, but known in the art in principle refrigeration circuit 4, which includes, for example, an evaporator, a condenser 5 and a compressor.
  • the condenser 5 or parts of the condenser 5 are shown in greater detail in FIGS.
  • the condenser 5 is not attached to the rear wall of the household refrigerator 1, but together with the compressor in a compressor chamber of the household refrigerator 1.
  • the condenser 5 for example, made of metal, in particular made of aluminum, copper or steel and in particular in Fig. 3 in more detail shown condenser tube 6, which was wound three-dimensionally spirally, for example, around a winding core, not shown, and a first access 8 and a second access 9 has.
  • refrigerant flows through the condenser tube 6.
  • the three-dimensional spiral-shaped condenser tube 6 has, for example, in particular semicircular curved curved sections 10, 11 and the curved sections 10, 11 adjoining straight sections 12, 13.
  • the condenser 5 comprises a fastening device comprising two partial fastening devices (webs) 14, 15, which are fastened to the condenser tube 6 within the space bounded by the condenser tube 6.
  • the partial fastening devices 14, 15 are each formed in a semi-cylindrical shape and have a height which corresponds to the height h of the condenser 5.
  • One of the partial fastening devices 14 is attached to the condenser tube 6 in the region of the curved section 10 of the condenser tube 6 and the other partial fastening device 15 is fastened to the condenser tube 6 in the region of the curved section 11 of the condenser tube 6.
  • the radii of the semi-cylindrical part fastening devices 14, 15 thus correspond to the radii of the two semicircular curved sections 10, 1 1 of the condenser tube 6.
  • the curved condenser tube 6 with attached thereto partial fastening devices 14, 15 is shown in FIG.
  • the sub-fastening devices 14, 15 are made for example of a noise-reducing or a sound-absorbing material such as rubber.
  • the sectionbefest Trentsvoriquesen 14, 15 can also eg in their Inside a heat-storing medium, for example, in solid or liquid form, which promotes heat dissipation of the condenser 5.
  • the sub-fastening devices 14, 15 are provided that a fan 16 can be attached to them.
  • the fan 16 includes e.g. a housing 17 on which a fan 18 is rotatably mounted.
  • the fan 16 is in the case of the present embodiment with its housing 17 on the two sub-fastening devices 14, 15, e.g. fastened by means not shown snap hooks and is thus within the confined by the condenser tube 6 space.
  • the fan 16 may e.g. be controlled by a control device of the household refrigerator 1 not shown in detail.
  • the condenser 5 comprises a shutter 7 shown in Fig. 5, e.g. is provided to direct the airflow generated by the fan 16 in operation.
  • the condenser tube 6 can be wound over the winding core, not shown, which is subsequently removed. Thereafter, the sub-fastening devices 14, 15 are pushed with attached thereto fan 16 in the space bounded by the condenser tube 6 and then attached to the condenser tube 6.

Abstract

The invention relates to a heat exchanger in particular condenser (5) for a domestic refrigerator (1), comprising a heat exchanger tube (6) bent into a three-dimensional spiral form and a fan (6) arranged within the space enclosed by the heat exchanger tube (6) and fixed to the heat exchanger tube (6).

Description

Wärmetauscher, insbesondere Verflüssiger für ein Heat exchanger, in particular condenser for a
HaushaltskältegerätHousehold refrigerator
Die Erfindung betrifft einen Wärmetauscher, insbesondere einen Verflüssiger für ein Haushaltskältegerät.The invention relates to a heat exchanger, in particular a condenser for a household refrigerator.
Kältekreisläufe von Haushaltskältegeräten umfassen Verflüssiger, deren Aufgabe es ist, eine von einem Verdampfer und Verdichter aufgenommene Wärme an die Umgebungsluft abzugeben. Verflüssiger können z.B. an der Rückwand des Haushaltskältegerätes befestigt sein. Ist der Verflüssiger nicht an der Rückwand, sondern z.B. in einem zur Verfügung stehenden Bauraum des Verdichterraums befestigt, so ist es möglich, den Innenraum des Haushaltskältegerätes zu vergrößern. Der Bauraum ist jedoch relativ beengt.Refrigeration circuits of domestic refrigeration appliances include condensers whose function is to deliver a heat taken up by an evaporator and compressor to the ambient air. Condensers may e.g. be attached to the rear wall of the household refrigerator. If the condenser is not on the back wall, but e.g. attached in an available space of the compressor room, it is possible to increase the interior of the household refrigerator. The space is relatively cramped.
Aufgabe der Erfindung ist es, einen relativ kompakten Wärmetauscher, insbesondere einen Verflüssiger für ein Haushaltskältegerät anzugeben.The object of the invention is to provide a relatively compact heat exchanger, in particular a condenser for a household refrigerator.
Die Aufgabe der Erfindung wird gelöst durch einen Wärmetauscher, aufweisend ein dreidimensional spiralförmig gebogenes Wärmetauscherrohr und einen in dem vom Wärmetauscherrohr begrenzten Raum angeordneten, am Wärmetauscherrohr befestigten Lüfter. Der erfindungsgemäße Wärmetauscher ist insbesondere ein Verflüssiger für ein Haushaltskältegerät.The object of the invention is achieved by a heat exchanger, comprising a three-dimensionally spirally curved heat exchanger tube and arranged in the space bounded by the heat exchanger tube, attached to the heat exchanger tube fan. The heat exchanger according to the invention is in particular a condenser for a household refrigerator.
Ein weiterer Aspekt der Erfindung betrifft ein Haushaltkältegerät, aufweisend einen Kälteraum und einen den Kälteraum kühlenden Kältekreislauf mit dem erfindungsgemäßen Verflüssiger.Another aspect of the invention relates to a domestic refrigeration appliance, comprising a cold room and a cold room cooling refrigeration cycle with the liquefier according to the invention.
Der erfindungsgemäße Wärmetauscher bzw. Verflüssiger weist demnach das Wärmetauscherrohr auf, das z.B. über einen definierten Wickelkern gewickelt wurde, um die dreidimensional spiralförmige Form zu erhalten. Das gebogene bzw. gegebenenfalls gewickelte Wärmetauscherrohr begrenzt einen Raum, in dem erfindungsgemäß der Lüfter angeordnet ist, wobei der Lüfter z.B. mittels Stegen am Wärmetauscherrohr befestigt bzw. fixiert ist. Durch die Integration des Lüfters in den erfindungsgemäßen Verflüssiger bzw. Wärmetauscher ist es möglich, dass während dessen Betriebs über die Oberfläche des Wärmetauscherrohrs Luft auf einer der Seite des erfindungsgemäßen Verflüssigers bzw. Wärmetauschers gesaugt und auf der anderen Seite geblasen wird. Dadurch werden sowohl die Saugseite als auch die Druckseite des Lüfters zur Kühlung des erfindungsgemäßen Verflüssigers bzw. Wärmetauschers genutzt. Diese erfindungsgemäße Anordnung des Lüfters erlaubt eine relativ platzsparende Ausführung des erfindungsgemäßen Verflüssigers bzw. Wärmetauschers, die außerdem auch relativ kostengünstig hergestellt werden kann.The heat exchanger or condenser according to the invention accordingly has the heat exchanger tube, which has been wound, for example, over a defined winding core in order to obtain the three-dimensional spiral shape. The curved or possibly wound heat exchanger tube defines a space in which the fan according to the invention is arranged, wherein the fan is fastened or fixed eg by means of webs on the heat exchanger tube. Through the integration of the fan in the condenser or heat exchanger according to the invention, it is possible that air is sucked on one side of the condenser or heat exchanger according to the invention and blown on the other side during its operation over the surface of the heat exchanger tube. As a result, both the suction side and the pressure side of the fan are used for cooling the condenser or heat exchanger according to the invention. This inventive arrangement of the fan allows a relatively space-saving design of the condenser or heat exchanger according to the invention, which can also be produced relatively inexpensively.
Die Größe des erfindungsgemäßen Verflüssigers bzw. Wärmetauschers kann beispielsweise durch die Anzahl der Rohrwindungen des Wärmetauscherrohres und/oder der Steigung des Wärmetauscherrohres verändert werden. Über die Länge des gestreckten Wärmetauscherrohres, die dessen Oberfläche definiert, und der Größe des Lüfters kann der erfindungsgemäße Verflüssiger den jeweiligen Anforderungen des erfindungsgemäßen Kätegerätes angepasst werden.The size of the condenser or heat exchanger according to the invention can be changed, for example, by the number of pipe turns of the heat exchanger tube and / or the pitch of the heat exchanger tube. Over the length of the elongated heat exchanger tube, which defines its surface, and the size of the fan, the condenser according to the invention can be adapted to the respective requirements of Kätegerätes invention.
Das Wärmetauscherrohr kann aus verschiedenen Materialien hergestellt sein.The heat exchanger tube may be made of various materials.
Vorzugsweise ist es aus Metall, z.B. aus Aluminium, Kupfer oder Stahl hergestellt.It is preferably made of metal, e.g. made of aluminum, copper or steel.
Gemäß einer Ausführungsform des erfindungsgemäßen Wärmetauschers bzw.According to one embodiment of the heat exchanger according to the invention or
Verflüssigers weist das gebogene Wärmetauscherrohr übereinander angeordnete insbesondere halbkreisförmig ausgebildete erste gekrümmte Abschnitte und übereinander angeordnete insbesondere halbkreisförmig ausgebildete zweite gekrümmte Abschnitte auf, die mit insbesondere geradlinig ausgeführten Abschnitten des Wärmetauscherrohrs verbunden sind. Mittels der gekrümmten Abschnitte lassen sich die Rohrwindungen realisieren.Condenser has the bent heat exchanger tube superimposed particularly semicircular first curved portions and superimposed particular semicircular second curved portions which are connected to particular rectilinear sections of the heat exchanger tube. By means of the curved sections, the pipe turns can be realized.
Der erfindungsgemäße Wärmetauscher bzw. Verflüssiger kann vorzugsweise eine Befestigungsvorrichtung, z.B. Stege, aufweisen, mittels derer der Lüfter am Wärmetauscherrohr befestigt ist. Die Befestigung kann beispielsweise mittels Schnapphaken realisiert werden. Die Befestigungsvorrichtung kann z.B. eine erste Teilbefestigungsvorrichtung und eine zweite Teilbefestigungsvorrichtung aufweisen, zwischen denen der Lüfter angeordnet bzw. befestigt ist. Somit ist es z.B. möglich, den Lüfter zwischen den beiden Teilbefestigungsvorrichtungen zu fixieren und anschließend die Teilbefestigungsvorrichtungen mit daran befestigtem Lüfter in den vom Wärmetauscherrohr begrenzten Raum zu schieben, um die Teilbefestigungsvorrichtungen am Wärmetauscherrohr zu befestigen.The heat exchanger or condenser according to the invention may preferably have a fastening device, eg webs, by means of which the fan is fastened to the heat exchanger tube. The attachment can be realized for example by means of snap hooks. The fastening device may, for example, have a first partial fastening device and a second partial fastening device, between which the fan is arranged or fastened. Thus, it is possible, for example, to fix the fan between the two sub-fixing devices and then to push the sub-fixing devices with the fan attached thereto into the space bounded by the heat exchanger tube to fix the sub-fixing devices to the heat exchanger tube.
Nach einer Variante des erfindungsgemäßen Wärmetauschers bzw. Verflüssigers ist die Befestigungsvorrichtung am ersten gekrümmten und/oder am zweiten gekrümmten Abschnitt des Wärmetauscherrohrs befestigt. Umfasst die Befestigungsvorrichtung die beiden Teilbefestigungsvorrichtungen, dann kann eine der beiden Teilbefestigungsvorrichtungen am ersten gekrümmten Abschnitt und die andere Teilbefestigungsvorrichtung am zweiten gekrümmten Abschnitt befestigt sein.According to a variant of the heat exchanger or condenser according to the invention, the fastening device is fastened to the first curved and / or to the second curved section of the heat exchanger tube. If the fastening device comprises the two sub-fastening devices, then one of the two sub-fastening devices can be fastened to the first curved section and the other sub-fastening device can be fastened to the second curved section.
Die Befestigungsvorrichtung bzw. die beiden Teilbefestigungsvorrichtungen können jeweils halbzylinderförmig ausgebildet sein. Dann ist es möglich, wie es nach einer Ausführungsform des erfindungsgemäßen Wärmetauschers bzw. Verflüssigers vorgesehen ist, die Befestigungsvorrichtung mit ihrer kreissegmentförmigen Mantelfläche am ersten gekrümmten oder am zweiten gekrümmten Abschnitt des Wärmetauscherrohrs zu befestigen. Weist die Befestigungsvorrichtung die beidenThe fastening device or the two partial fastening devices can each be semi-cylindrical. Then it is possible, as provided according to an embodiment of the heat exchanger or condenser according to the invention, to fasten the fastening device with its circular segment-shaped lateral surface on the first curved or on the second curved portion of the heat exchanger tube. Does the fastening device the two
Teilbefestigungsvorrichtungen auf, die gegebenenfalls jeweils halbzylinderförmig ausgebildet sind, dann kann eine der Teilbefestigungsvorrichtungen mit ihrer kreissegmentförmigen Mantelfläche am ersten gekrümmten Abschnitt und die andere Teilbefestigungsvorrichtung mit ihrer kreissegmentförmigen Mantelfläche am zweiten gekrümmten Abschnitt des Wärmetauscherrohrs befestigt sein. Zwischen den beidenPartial fastening devices, which are optionally formed in each case semi-cylindrical, then one of the partial fastening devices with its circular segment-shaped lateral surface on the first curved portion and the other partial fastening device with its circular segment-shaped lateral surface may be attached to the second curved portion of the heat exchanger tube. Between the two
Teilbefestigungsvorrichtungen kann dann der Lüfter in relativ einfacher Weise fixiert sein.Teilbefestigungsvorrichtungen then the fan can be fixed in a relatively simple manner.
Die Befestigungsvorrichtung kann bzw. die Teilbefestigungsvorrichtungen können aus einem geräuschreduzierendem oder einem schallabsorbierendem Material, wie z.B. Gummi gefertigt sein. Dadurch kann z.B. ein vom Lüfter erzeugtes Geräusch im Betrieb des erfindungsgemäßen Verflüssigers bzw. Wärmetauschers verringert werden. Die Befestigungsvorrichtung kann bzw. die Teilbefestigungsvorrichtungen können insbesondere in ihrem Inneren ein insbesondere flüssiges oder festes wärmespeicherndes Medium aufweisen, wodurch die thermischen Eigenschaften des erfindungsgemäßen Wärmetauschers bzw. Verflüssigers in relativ einfacher Weise verbessert werden können.The fastening device may be made of a noise-reducing or a sound-absorbing material, such as rubber. As a result, for example, a noise generated by the fan during operation of the condenser or heat exchanger according to the invention can be reduced. The fastening device or the partial fastening devices can have, in particular, in their interior a liquid or solid heat-storing medium in particular, as a result of which the thermal properties of the heat exchanger or condenser according to the invention can be improved in a relatively simple manner.
Der erfindungsgemäße Verflüssiger bzw. Wärmetauscher kann beispielsweise frei aufgestellt werden.The condenser or heat exchanger according to the invention can be set up freely, for example.
Nach einer Variante des erfindungsgemäßen Wärmetauschers bzw. Verflüssigers weist dieser eine Einschalung auf, innerhalb der das gebogene Wärmetauscherrohr angeordnet insbesondere befestigt ist. Die Einschalung kann beispielsweise zur weiteren Effektivitätssteigerung eines vom Lüfter erzeugten Luftstroms eine für den von dem Lüfter erzeugten Luftstrom leitende Struktur aufweisen.According to a variant of the heat exchanger or condenser according to the invention, this has a shuttering within which the bent heat exchanger tube is arranged in particular attached. The shuttering, for example, to further increase the effectiveness of an airflow generated by the fan have a structure for the air flow generated by the fan conductive structure.
Ein Ausführungsbeispiel der Erfindung ist exemplarisch in den beigefügten schematischen Zeichnungen dargestellt. Es zeigen:An embodiment of the invention is illustrated by way of example in the accompanying schematic drawings. Show it:
Fig. 1 ein Haushaltskältegerät mit einem Kältekreislauf undFig. 1 is a household refrigerator with a refrigeration cycle and
Figuren 2 bis 5 einen Verflüssiger des Kältekreislaufs.Figures 2 to 5 a condenser of the refrigeration cycle.
Die Fig. 1 zeigt eine Seitenansicht eines Haushaltskältegerätes 1 , das in allgemein bekannter Weise ein wärmeisolierendes Gehäuse 2 aufweist, das einen nicht näher dargestellten wärmeisolierten Innenraum bzw. Kälteraum begrenzt. An dem Gehäuse 2 ist ein beispielsweise mittels nicht dargestellter Scharniere wärmeisolierendes Türblatt 3 zum Verschließen des Kälteraums angeschlagen, das im geschlossenen Zustand den Kälteraum schließt und im geöffneten Zustand den Kälteraum frei gibt, so dass dieser beispielsweise mit Kältegut beladen bzw. aus ihm Kältegut entnommen werden kann. Das Haushaltskältegerät 1 weist ferner einen nicht näher dargestellten, dem Fachmann jedoch im Prinzip bekannten Kältekreislauf 4 auf, der z.B. einen Verdampfer, einen Verflüssiger 5 und einen Verdichter umfasst. Der Verflüssiger 5 bzw. Teile des Verflüssigers 5 sind in den Figuren 2 bis 5 näher gezeigt und weist eine Breite b, eine Tiefe t und eine Höhe h auf. Im Falle des vorliegenden Ausführungsbeispiels ist der Verflüssiger 5 nicht an der Rückwand des Haushaltskältegerätes 1 , sondern zusammen mit dem Verdichter in einem Verdichterraum des Haushaltskältegerätes 1 befestigt.Fig. 1 shows a side view of a household refrigerator 1, which has a heat-insulating housing 2 in a generally known manner, which limits a heat-insulated interior or cold space, not shown. On the housing 2, for example by means not shown hinges heat-insulating door leaf 3 is struck for closing the cold room, which closes the cold room in the closed state and the cold room is open in the open state, so that this example loaded with refrigerated goods or be taken from it cold can. The domestic refrigeration appliance 1 further comprises a non-illustrated, but known in the art in principle refrigeration circuit 4, which includes, for example, an evaporator, a condenser 5 and a compressor. The condenser 5 or parts of the condenser 5 are shown in greater detail in FIGS. 2 to 5 and have a width b, a depth t and a height h. In the case of the present embodiment, the condenser 5 is not attached to the rear wall of the household refrigerator 1, but together with the compressor in a compressor chamber of the household refrigerator 1.
Im Falle des vorliegenden Ausführungsbeispiels weist der Verflüssiger 5 ein beispielsweise aus Metall, insbesondere aus Aluminium, Kupfer oder Stahl gefertigtes und insbesondere in der Fig. 3 näher dargestelltes Verflüssigerrohr 6 auf, das beispielsweise um einen nicht näher dargestellten Wickelkern dreidimensional spiralförmig gewickelt wurde, und einen ersten Zugang 8 und einen zweiten Zugang 9 aufweist. Im Betreib des Haushaltskältegerätes 1 fließt gegebenenfalls Kältemittel durch das Verflüssigerrohr 6.In the case of the present embodiment, the condenser 5, for example, made of metal, in particular made of aluminum, copper or steel and in particular in Fig. 3 in more detail shown condenser tube 6, which was wound three-dimensionally spirally, for example, around a winding core, not shown, and a first access 8 and a second access 9 has. In the operation of the household refrigerating appliance 1, if necessary, refrigerant flows through the condenser tube 6.
Das dreidimensional spiralförmig ausgebildete Verflüssigerrohr 6 weist beispielsweise insbesondere halbkreisförmig gebogene gekrümmte Abschnitte 10, 1 1 und den gekrümmten Abschnitten 10, 11 anschließenden geraden Abschnitte 12, 13 auf.The three-dimensional spiral-shaped condenser tube 6 has, for example, in particular semicircular curved curved sections 10, 11 and the curved sections 10, 11 adjoining straight sections 12, 13.
Im Falle des vorliegenden Ausführungsbeispiels umfasst der Verflüssiger 5 eine zwei Teilbefestigungsvorrichtungen (Stege) 14, 15 umfassende Befestigungsvorrichtung, die innerhalb dem von dem Verflüssigerrohr 6 begrenzten Raum am Verflüssigerrohr 6 befestigt sind. Die Teilbefestigungsvorrichtungen 14, 15 sind jeweils halbzylinderförmig ausgebildet und weisen eine Höhe auf, die der Höhe h des Verflüssigers 5 entspricht. Eine der Teilbefestigungsvorrichtungen 14 ist an dem Verflüssigerrohr 6 im Bereich des gekrümmten Abschnitts 10 des Verflüssigerrohrs 6 und die andere Teilbefestigungsvorrichtung 15 ist an dem Verflüssigerrohr 6 im Bereich des gekrümmten Abschnitts 11 des Verflüssigerrohrs 6 befestigt. Die Radien der halbzylinderförmigen Teilbefestigungsvorrichtungen 14, 15 entsprechen somit den Radien der beiden halbkreisförmig gekrümmten Abschnitten 10, 1 1 des Verflüssigerrohrs 6. Das gebogene Verflüssigerrohr 6 mit an diesem befestigten Teilbefestigungsvorrichtungen 14, 15 ist in der Fig. 4 gezeigt.In the case of the present embodiment, the condenser 5 comprises a fastening device comprising two partial fastening devices (webs) 14, 15, which are fastened to the condenser tube 6 within the space bounded by the condenser tube 6. The partial fastening devices 14, 15 are each formed in a semi-cylindrical shape and have a height which corresponds to the height h of the condenser 5. One of the partial fastening devices 14 is attached to the condenser tube 6 in the region of the curved section 10 of the condenser tube 6 and the other partial fastening device 15 is fastened to the condenser tube 6 in the region of the curved section 11 of the condenser tube 6. The radii of the semi-cylindrical part fastening devices 14, 15 thus correspond to the radii of the two semicircular curved sections 10, 1 1 of the condenser tube 6. The curved condenser tube 6 with attached thereto partial fastening devices 14, 15 is shown in FIG.
Die Teilbefestigungsvorrichtungen 14, 15 sind beispielsweise aus einem geräuschreduzierendem oder einem schallabsorbierendem Materie wie beispielsweise Gummi gefertigt. Die Teilbefestigungsvorrichtungen 14, 15 können auch z.B. in ihrem Inneren ein wärmespeicherndes Medium z.B. in fester oder flüssiger Form aufweisen, das eine Wärmeableitung des Verflüssigers 5 begünstigt.The sub-fastening devices 14, 15 are made for example of a noise-reducing or a sound-absorbing material such as rubber. The Teilbefestigungsvorrichtungen 14, 15 can also eg in their Inside a heat-storing medium, for example, in solid or liquid form, which promotes heat dissipation of the condenser 5.
Im Falle des vorliegenden Ausführungsbeispiels sind die Teilbefestigungsvorrichtungen 14, 15 vorgesehen, dass an ihnen ein Lüfter 16 befestigt werden kann. Der Lüfter 16 umfasst z.B. ein Gehäuse 17, an dem ein Lüfterrad 18 drehbar gelagert ist. Der Lüfter 16 ist im Falle des vorliegenden Ausführungsbeispiels mit seinem Gehäuse 17 an den beiden Teilbefestigungsvorrichtungen 14, 15 z.B. mittels nicht näher dargestellter Schnapphaken befestigt und befindet sich somit innerhalb dem von dem Verflüssigerrohr 6 begrenzten Raum.In the case of the present embodiment, the sub-fastening devices 14, 15 are provided that a fan 16 can be attached to them. The fan 16 includes e.g. a housing 17 on which a fan 18 is rotatably mounted. The fan 16 is in the case of the present embodiment with its housing 17 on the two sub-fastening devices 14, 15, e.g. fastened by means not shown snap hooks and is thus within the confined by the condenser tube 6 space.
Im Betrieb des Haushaltskältegerätes 1 kann der Lüfter 16 z.B. von einer nicht näher gezeigten Steuerungsvorrichtung des Haushaltskältegerätes 1 gesteuert werden.In operation of the household refrigerator 1, the fan 16 may e.g. be controlled by a control device of the household refrigerator 1 not shown in detail.
Im Falle des vorliegenden Ausführungsbeispiels umfasst der Verflüssiger 5 eine in der Fig. 5 gezeigte Einschalung 7, die z.B. vorgesehen ist, den vom im Betrieb befindlichen Lüfter 16 erzeugten Luftstrom zu leiten.In the case of the present embodiment, the condenser 5 comprises a shutter 7 shown in Fig. 5, e.g. is provided to direct the airflow generated by the fan 16 in operation.
Für die Montage des Verflüssigers 5 kann zunächst das Verflüssigerrohr 6 über den nicht gezeigten Wickelkern gewickelt werden, der anschließend entfernt wird. Danach werden die Teilbefestigungsvorrichtungen 14, 15 mit an diesen befestigtem Lüfter 16 in den von dem Verflüssigerrohr 6 begrenzten Raum geschoben und anschließend am Verflüssigerrohr 6 befestigt. For the assembly of the condenser 5, first the condenser tube 6 can be wound over the winding core, not shown, which is subsequently removed. Thereafter, the sub-fastening devices 14, 15 are pushed with attached thereto fan 16 in the space bounded by the condenser tube 6 and then attached to the condenser tube 6.

Claims

PATENTANSPRÜCHE
1. Wärmetauscher, insbesondere Verflüssiger (5) für ein Haushaltskältegerät (1 ), aufweisend ein dreidimensionales, zumindest annähernd spiralförmig gebogenes Wärmetauscherrohr (6) und einen in dem vom Wärmetauscherrohr (6) begrenzten1. heat exchanger, in particular condenser (5) for a domestic refrigeration appliance (1), comprising a three-dimensional, at least approximately spirally curved heat exchanger tube (6) and in the heat exchanger tube (6) limited
Raum angeordneten Lüfter (16).Space arranged fan (16).
2. Wärmetauscher nach Anspruch 1 , dadurch gekennzeichnet, dass das Wärmetauscherrohr (6) aus Metall, insbesondere aus Aluminium, Kupfer oder Stahl hergestellt ist.2. Heat exchanger according to claim 1, characterized in that the heat exchanger tube (6) made of metal, in particular made of aluminum, copper or steel.
3. Wärmetauscher nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass der Lüfter (16) am Wärmetauscherrohr (6) befestigt ist.3. Heat exchanger according to claim 1 or claim 2, characterized in that the fan (16) on the heat exchanger tube (6) is fixed.
4. Wärmetauscher nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass das gebogene Wärmetauscherrohr (6) übereinander angeordnete insbesondere halbkreisförmig ausgebildete erste gekrümmte Abschnitte (10) und übereinander angeordnete insbesondere halbkreisförmig ausgebildete zweite gekrümmte Abschnitte (1 1 ) aufweist, die mit insbesondere geradlinig ausgeführten Abschnitten (12, 13) des Wärmetauscherrohrs (6) verbunden sind.4. Heat exchanger according to claim 1 to 3, characterized in that the bent heat exchanger tube (6) arranged one above the other in particular semicircular first curved portions (10) and superimposed particular semicircular second curved portions (1 1), which in particular with rectilinear running Sections (12, 13) of the heat exchanger tube (6) are connected.
5. Wärmetauscher nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zur Befestigung des Lüfters (16) am Wärmetauscherrohr (6) eine Befestigungsvorrichtung (14, 15), vorgesehen ist, mittels derer der Lüfter (16) am Wärmetauscherrohr (6) befestigt ist.5. Heat exchanger according to one of claims 1 to 4, characterized in that for fastening the fan (16) on the heat exchanger tube (6) a fastening device (14, 15) is provided, by means of which the fan (16) on the heat exchanger tube (6). is attached.
6. Wärmetauscher nach Anspruch 5, dadurch gekennzeichnet, dass die Befestigungsvorrichtung eine erste Teilbefestigungsvorrichtung (14) und eine zweite Teilbefestigungsvorrichtung (15) aufweist, zwischen denen der Lüfter (16) angeordnet ist. 6. Heat exchanger according to claim 5, characterized in that the fastening device comprises a first partial fastening device (14) and a second partial fastening device (15), between which the fan (16) is arranged.
7. Wärmetauscher nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Befestigungsvorrichtung (14, 15) halbzylinderförmig ausgebildet ist.7. Heat exchanger according to claim 5 or 6, characterized in that the fastening device (14, 15) is formed semi-cylindrical.
8. Wärmetauscher nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die Befestigungsvorrichtung (14, 15) am ersten gekrümmten und/oder am zweiten gekrümmten Abschnitt (10, 1 1 ) des Wärmetauscherrohrs (6) befestigt ist.8. Heat exchanger according to one of claims 5 to 7, characterized in that the fastening device (14, 15) on the first curved and / or on the second curved portion (10, 1 1) of the heat exchanger tube (6) is fixed.
9. Wärmetauscher nach Anspruch 4 und 8, dadurch gekennzeichnet, dass die Befestigungsvorrichtung (14, 15) mit ihrer kreissegmentförmigen Mantelfläche am ersten gekrümmten oder am zweiten gekrümmten Abschnitt (10, 11 ) des Wärmetauscherrohrs (6) befestigt ist.9. Heat exchanger according to claim 4 and 8, characterized in that the fastening device (14, 15) with its circular segment-shaped lateral surface on the first curved or on the second curved portion (10, 11) of the heat exchanger tube (6) is fixed.
10. Wärmetauscher nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass die Befestigungsvorrichtung (14, 15) aus einem geräuschreduzierendem oder einem schallabsorbierendem Material gefertigt ist und/oder dass die Befestigungsvorrichtung (14, 15) insbesondere in ihrem Inneren ein insbesondere flüssiges oder festes wärmespeicherndes Medium aufweisen.10. Heat exchanger according to one of claims 5 to 8, characterized in that the fastening device (14, 15) is made of a noise-reducing or a sound-absorbing material and / or that the fastening device (14, 15) in particular in its interior a particular liquid or have solid heat-storing medium.
11. Wärmetauscher nach einem der Ansprüche 1 bis 10, gekennzeichnet durch eine Einschalung (7), innerhalb der das gebogenen Wärmetauscherrohr (6) angeordnet, insbesondere befestigt ist und die insbesondere eine für den von dem Lüfter (16) erzeugten Luftstrom leitende Struktur aufweist.11. Heat exchanger according to one of claims 1 to 10, characterized by a shuttering (7) within which the bent heat exchanger tube (6) is arranged, in particular fixed and in particular has a for the fan (16) generated by the air flow conductive structure.
12. Haushaltkältegerät, aufweisend einen Kälteraum und ein den Kälteraum kühlenden Kältekreislauf (4) mit einem Wärmetauscher, insbesondere einem Verflüssiger (5), nach einem der Ansprüche 1 bis 1 1. 12. Domestic refrigerating appliance, comprising a cold room and a cold room cooling the refrigeration circuit (4) with a heat exchanger, in particular a condenser (5), according to one of claims 1 to 1 1.
EP10701864.0A 2009-02-13 2010-01-28 Heat exchanger, in particular condenser for a domestic refrigerator Not-in-force EP2396609B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910000844 DE102009000844A1 (en) 2009-02-13 2009-02-13 Heat exchanger, in particular condenser for a household refrigerator
PCT/EP2010/050970 WO2010091959A1 (en) 2009-02-13 2010-01-28 Heat exchanger in particular condenser for a domestic refrigerator

Publications (2)

Publication Number Publication Date
EP2396609A1 true EP2396609A1 (en) 2011-12-21
EP2396609B1 EP2396609B1 (en) 2017-10-25

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DE (1) DE102009000844A1 (en)
WO (1) WO2010091959A1 (en)

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Publication number Priority date Publication date Assignee Title
CN103017452B (en) * 2013-01-14 2015-04-22 合肥工业大学 Refrigerator condenser assembled with fan

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US2610484A (en) 1950-01-13 1952-09-16 Betz Corp Compact refrigeration unit for cooling air
US3759321A (en) * 1971-10-22 1973-09-18 Singer Co Condenser coil apparatus
JPS5548300Y2 (en) * 1976-07-30 1980-11-12
DE102005021554A1 (en) 2005-05-10 2006-11-16 BSH Bosch und Siemens Hausgeräte GmbH Heat exchanger for a refrigeration device
KR100689148B1 (en) * 2005-07-15 2007-03-09 위니아만도 주식회사 Mounting Holder Structure for Fan Motor at Spiral Type Condenser
WO2008097208A2 (en) * 2007-02-08 2008-08-14 Klimasan Klima Sanayi Ve Ticaret A.S. A condenser

Non-Patent Citations (1)

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Title
See references of WO2010091959A1 *

Also Published As

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EP2396609B1 (en) 2017-10-25
WO2010091959A1 (en) 2010-08-19
DE102009000844A1 (en) 2010-08-19

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