EP2160548B1 - Refrigeration device - Google Patents

Refrigeration device Download PDF

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Publication number
EP2160548B1
EP2160548B1 EP08774122.9A EP08774122A EP2160548B1 EP 2160548 B1 EP2160548 B1 EP 2160548B1 EP 08774122 A EP08774122 A EP 08774122A EP 2160548 B1 EP2160548 B1 EP 2160548B1
Authority
EP
European Patent Office
Prior art keywords
refrigeration device
receiving compartment
housing
ventilating element
fan
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.)
Not-in-force
Application number
EP08774122.9A
Other languages
German (de)
French (fr)
Other versions
EP2160548A1 (en
Inventor
Hans Gerd Keller
Renate Pradel
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 Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2160548A1 publication Critical patent/EP2160548A1/en
Application granted granted Critical
Publication of EP2160548B1 publication Critical patent/EP2160548B1/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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067—Evaporator fan units
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof

Definitions

  • the present invention relates to a refrigerator such as a refrigerator or freezer with a housing enclosing an interior and a fan unit mounted in the interior.
  • a fan unit can serve, for example, to intensify an air flow over a heat exchanger surface, so as to improve the cooling effect of the heat exchanger, or to equalize the temperature distribution in this by mixing the air of the interior.
  • fan modules in a very compact design and in standardized sizes, which already include a fan wheel and a motor in a housing, and in which a supply line for connecting the fan module to a power supply from the housing is led to the outside.
  • a fan module bores are executed at standard positions on the four corners on both sides of the housing.
  • the fan module is screwed through a plurality of screws through the holes on one of the side surfaces on a plate, which has a corresponding cutout for the air flow generated by the fan. Again, several assembly steps must be performed, and there is a risk of incorrect installation, since the holes are made the same on each side of the housing.
  • JP 10 335 542 A discloses a refrigeration device, in which such a fan element is inserted into a receiving compartment of a frame.
  • the symmetrical outer shape of the fan element allows no direct inference to its blowing direction. Therefore, malfunctions may occur if the fan element is installed in the wrong orientation. It is therefore an object of the present invention to provide a ventilation unit for a refrigeration device, which is easy and error-free mountable. This object is achieved by a fan assembly with the features of claim 1.
  • the receptacle configured to allow only a mounting position of the fan member, it can be prevented that the fan member is mounted in a wrong position and an air flow generated by him possibly in the wrong direction flows.
  • the fan element has a housing in which a driven by a motor fan wheel rotates.
  • the fan element thus already combines its functional components in a compact manner in a housing.
  • the receiving compartment has a rib which engages in the housing of the fan element. By the rib, the fan element can be additionally fixed without the need for further, the fan element from the outside encompassing constructive means.
  • the receiving compartment has a transverse bar, which supports the fan element along a side edge of its housing transversely to the direction of insertion.
  • the crossbar supports the correct insertion the fan element, and prevents the inserted fan element can dodge in his direction.
  • a latching lug is formed on the transverse bar, which latches on the housing of the fan element.
  • the latch keeps the inserted fan element at its mounting position and prevents unintentional slipping out of the fan element from the receiving compartment.
  • additional attachment means such as e.g. Screws unnecessary.
  • the fan element receiving frame consists of vibration-damping material.
  • This material may be, for example, a plastic material such as polypropylene.
  • the invention is intended for use in a refrigerator, which has a fan unit according to the invention, wherein an opening of the receiving compartment rests against an inner wall of the refrigerator.
  • the receptacle is limited by the inner wall after assembly of the fan assembly to the inner wall of the refrigerator on its remaining open side, so that the fan element is now enclosed on all four sides.
  • the fan assembly according to the invention supports the installation of a standard commercial compact fan.
  • a compact fan is normalized, can Especially easy to install, is easily replaceable and also allows the use of a fan from different manufacturers.
  • FIG. 1 shows a frame 3 of a example i i a household refrigeration appliance deployable fan unit according to the present invention.
  • the frame 3 comprises a receptacle 31, 31 ', 33, 33', 34, 36, 37, 38, which on three sides by a bottom 36 and two side walls 31, 31 'is formed on a - in the perspective of Fig. 1 facing away from the viewer-front by a crossbar 34 and at a rear side by guide rails 33, 33 'and a holding frame 38th
  • the bottom 36 has substantially the shape of an elongated rectangle. On each narrow side of the bottom 36 adjoin the side walls 31, 31 ', which extend from the bottom 36 from vertically upwards and are also shaped substantially like an elongated rectangle. The front edges of the bottom 36 and the side walls 31, 31 'form a common escape.
  • a rib 37 is formed, which rises vertically from the bottom 36 and is parallel to the side walls 31, 31 ', wherein the rib 37 is not in the center of the floor, but to one of the side walls 31, 31' out offset is formed.
  • the rib 37 does not extend over the entire depth of the bottom 36, but leaves at its two end faces an edge at the bottom 36 free.
  • the rib 37 is bevelled or rounded.
  • the side walls 31, 31 ' are continued to the rear by side walls 32, 32', wherein the distance of the side walls 31, 31 'from each other is greater than the distance between the side walls 32, 32', so that in each case between the merging side walls 31 and 32 and 31 'and 32', a vertical edge is formed. This edge forms on each side of the guide rail 33 and 33 '.
  • the bottom 36 is bounded at its rear edge by the holding frame 38, which extends over the entire width of the bottom 36, and is perpendicular to the plane of the bottom 36.
  • the support frame 38 connects the rear side walls 32 and 32 'in a lower area by abutting them directly on the edge formed by the side walls 31 and 32 and 31' and 32, respectively, and escapes with the edge respectively.
  • the support frame 38 extends to the side walls 32 and 32 'out as a substantially triangular-shaped surface, and has down the middle only a narrow web.
  • the crossbar 34 is formed, which connects the side walls 31, 31' in an upper region and whose surface is parallel to the plane of the retaining bow 38.
  • the crossbar 34 as well as the support frame 38 runs on each of its two sides as a substantially triangular-shaped surface, and forms in its center a web.
  • a latching lug 35 is formed on the side facing the holding frame 38, the lower edge of which lies flush with the upper edges of the side walls 31, 31 '.
  • the triangular surfaces of the holding frame 38 stiffen the receiving compartment.
  • a grid 39 with a plurality of webs, which connect the side walls 32 and 32 'at its lower edge.
  • Fig. 2 shows a representation of a fan element used in the invention 2.
  • a fan element for example, as a standard commercial compact fan be educated.
  • the fan element 2 has a housing in the form of two square plates 21 and a tube section 22 connecting the plates.
  • a fan wheel 23 driven by a hub motor is mounted in the tube section.
  • From one of the plates 21 of the housing go from supply lines 24, via which the fan element can be connected to a power supply.
  • the exit point of the supply lines 24 is arranged eccentrically on an edge of the plate 21.
  • a plurality of bores 25 are mounted, which can serve as screw holes in a conventional mounting of the fan, which are not required according to the invention for mounting the fan element by inserting into the frame 3.
  • the rib 37 engages in a gap between the two plates 21 of the fan element and thus fixes the fan element in the axial direction.
  • Fig. 3 the fan unit 1 according to the invention is shown from the rear, in which the fan element 2 in the receiving compartment 31, 31 ', 33, 33', 34, 36, 37, 38 of the frame 3 is mounted.
  • the housing of the fan element 2 sits snugly between the side walls 31 and 31 'and lies with its underside on the bottom 36 (not visible here).
  • the guide rails 33, 33 ' engage around the vertical edges of the rear plate 21 in its entire length.
  • the holding frame 38 bears flat against a part of the rear side of the housing 21, wherein a plurality of the mounting holes 25 are covered by the holding frame 38, so that no air can flow back through the holes 25. Since the overlap is only outside the air outlet opening of the fan element 2, an air flow generated by the fan 23 is not hindered.
  • the crossbar 34 (partially hidden in this view) is also flat against the front plate 21 of the fan element 2.
  • the detent 35 in the middle of the crossbar 34 is latched to an upper edge of the plate 21.
  • the fan element 2 is mounted in the receiving compartment so that the exit point of the supply lines 24 is located on an upper side of the fan element and close to the side wall 31 'of the receiving compartment.
  • the fan unit 1 is mounted on an inner wall of a refrigerator in a manner such that an upper side of the frame 3 and the rear flanks of the side walls 32, 32 'bear against the inner wall.
  • the upward opening of the receiving compartment 31, 31 ', 33, 33', 34, 36, 37, 38 is also limited by the inner wall, so that the fan element is enclosed on all four sides.
  • Fig. 4 is a perspective view of the fan unit of the invention Fig. 3 shown, seen from the front.
  • the housing of the fan element 2 is firmly enclosed by the side walls 31, 31 'and the bottom 36.
  • the housing 21 is held by the transverse bar 34 (partially hidden here), and is partially covered by the sides.
  • By covering a plurality of mounting holes 25 are covered, so that no air can flow back through the holes 25 forward. Since the overlap is only outside the air inlet opening of the fan element 2, a suctioned by the fan 23 air flow is not hindered.
  • the supply lines 24 are guided over the upper edge of the side wall 31 'and connected via plug connections 41 to a supply module 4 arranged on the outside of the frame 3.
  • the length of the supply lines 24 is dimensioned so that the supply lines can reach the intended plug connections 41. If the fan element 2 had been mounted in the wrong orientation, with the side wall 31 of adjacent exit point of the supply lines 24, it would not be possible to connect them to the plug connections 41. Therefore, a wrong installation of the fan element 2 is inevitably detected and corrected before the complete fan unit 1 is mounted in a refrigerator.

Description

Die vorliegende Erfindung betrifft ein Kältegerät wie etwa einen Kühl- oder Gefrierschrank mit einem einen Innenraum umschließenden Gehäuse und einem in dem Innenraum montierten Lüfteraggregat. Ein solches Lüfteraggregat kann beispielsweise dazu dienen, eine Luftströmung über einer Wärmetauscheroberfläche zu intensivieren, um so die Kühlwirkung des Wärmetauschers zu verbessern, oder durch Durchmischen der Luft des Innenraumes die Temperaturverteilung in diesem zu vergleichmäßigen.The present invention relates to a refrigerator such as a refrigerator or freezer with a housing enclosing an interior and a fan unit mounted in the interior. Such a fan unit can serve, for example, to intensify an air flow over a heat exchanger surface, so as to improve the cooling effect of the heat exchanger, or to equalize the temperature distribution in this by mixing the air of the interior.

Bei Kältegeräten bisheriger Bauart werden üblicherweise Lüfteraggregate verwendet, bei denen ein Lüfterrad auf einen Motor montiert ist, wobei der Motor zur Vermeidung von Schwingungen während des Betriebs und damit verbundenen Geräuschen auf Dämpfungselementen gelagert ist.In refrigerators previous design usually fan units are used in which a fan is mounted on a motor, the engine is mounted to avoid vibration during operation and associated noise on damping elements.

Die Verwendung eines solchen Lüfteraggregats hat jedoch Nachteile. Die Montage des Lüfteraggregats gestaltet sich aufwändig, da eine Vielzahl von Bauteilen zusammengesetzt werden müssen. Zudem muss bei der Montage die Laufrichtung des Lüfterrades beachtet werden, da der vom Lüfterrad erzeugte Luftstrom nur in eine bestimmte Richtung geführt werden darf, um seine beabsichtigte Wirkung zu erzielen.However, the use of such a fan unit has disadvantages. The assembly of the fan unit is complex, since a large number of components must be assembled. In addition, the direction of rotation of the fan wheel must be observed during assembly, since the air flow generated by the fan may be guided only in a certain direction in order to achieve its intended effect.

Andererseits gibt es bereits Lüftermodule in sehr kompakter Bauweise und in genormten Größen, welche in einem Gehäuse bereits ein Lüfterrad und einen Motor umfassen, und bei welchen eine Versorgungsleitung zum Anschluss des Lüftermoduls an eine Spannungsversorgung aus dem Gehäuse nach außen geführt ist. Am Gehäuse eines solchen Lüftermoduls sind jeweils an den vier Ecken beidseitig des Gehäuses Bohrlöcher an genormten Positionen ausgeführt. Üblicherweise wird das Lüftermodul über mehrere Schrauben durch die Bohrlöcher an einer der Seitenflächen auf einer Platte festgeschraubt, welche einen entsprechenden Ausschnitt für den vom Lüfter erzeugten Luftstrom besitzt. Auch hier müssen mehrere Montageschritte durchgeführt werden, und es besteht die Gefahr einer fehlerhaften Montage, da die Bohrlöcher auf jeder Seite des Gehäuses gleich ausgeführt sind.On the other hand, there are already fan modules in a very compact design and in standardized sizes, which already include a fan wheel and a motor in a housing, and in which a supply line for connecting the fan module to a power supply from the housing is led to the outside. On the housing of such a fan module bores are executed at standard positions on the four corners on both sides of the housing. Usually, the fan module is screwed through a plurality of screws through the holes on one of the side surfaces on a plate, which has a corresponding cutout for the air flow generated by the fan. Again, several assembly steps must be performed, and there is a risk of incorrect installation, since the holes are made the same on each side of the housing.

JP 10 335 542 A offenbart ein Kältegerät, bei dem ein solches Lüfterelement in ein Aufnahmefach eines Rahmens eingeschoben ist. Die symmetrische äußere Gestalt des Lüfterelements lässt keinen direkten Rückschluss auf dessen Blasrichtung zu. Daher können Funktionsstörungen auftreten, wenn das Lüfterelement in falscher Orientierung eingebaut wird.
Es ist daher die Aufgabe der vorliegenden Erfindung, ein Lüfteraggregat für ein Kältegerät anzugeben, welches leicht und fehlerfrei montierbar ist.
Diese Aufgabe wird gelöst durch ein Lüfteraggregat mit den Merkmalen des Anspruchs 1. Indem das Aufnahmefach eingerichtet, nur eine Montageposition des Lüfterelements zuzulassen, kann verhindert werden, dass das Lüfterelement in einer falschen Position montiert wird und ein von ihm erzeugter Luftstrom möglicherweise in die falsche Richtung strömt. Wenn die Gestalt des Lüfterelements und des Aufnahmefachs zwar mehrere Montagepositionen zulässt, aber nur in einer dieser Montagepositionen eine Versorgungsleitung des Lüfterelements mit einer Spannungsversorgung verbindbar ist, kann das Lüfterelement zwar zunächst in einer falschen Position eingesetzt werden, aber der Fehler kann nicht unbemerkt bleiben und wird mit Gewissheit behoben.
In einer vorteilhaften Ausgestaltung der Erfindung besitzt das Lüfterelement ein Gehäuse, in welchem ein von einem Motor angetriebenes Lüfterrad rotiert. Das Lüfterelement vereint somit bereits seine funktionalen Bauteile in kompakter Weise in einem Gehäuse. Somit ist die Anzahl der notwendigen Bauteile deutlich reduziert.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung besitzt das Aufnahmefach eine Rippe, welche in das Gehäuse des Lüfterelements eingreift. Durch die Rippe kann das Lüfterelement zusätzlich fixiert werden, ohne dass es weiterer, das Lüfterelement von außen umgreifender konstruktiver Mittel bedarf.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung besitzt das Aufnahmefach einen Querbalken, welcher das Lüfterelement entlang einer Seitenkante seines Gehäuses quer zur Einschiebrichtung abstützt. Der Querbalken unterstützt das korrekte Einschieben des Lüfterelements, und verhindert, dass das eingeschobene Lüfterelement in seine Richtung ausweichen kann. JP 10 335 542 A discloses a refrigeration device, in which such a fan element is inserted into a receiving compartment of a frame. The symmetrical outer shape of the fan element allows no direct inference to its blowing direction. Therefore, malfunctions may occur if the fan element is installed in the wrong orientation.
It is therefore an object of the present invention to provide a ventilation unit for a refrigeration device, which is easy and error-free mountable.
This object is achieved by a fan assembly with the features of claim 1. By the receptacle configured to allow only a mounting position of the fan member, it can be prevented that the fan member is mounted in a wrong position and an air flow generated by him possibly in the wrong direction flows. Although the shape of the fan element and the receiving compartment allows several mounting positions, but only in one of these mounting positions a supply line of the fan element is connected to a power supply, the fan element may initially be used in a wrong position, but the error can not go unnoticed and will Certainly fixed.
In an advantageous embodiment of the invention, the fan element has a housing in which a driven by a motor fan wheel rotates. The fan element thus already combines its functional components in a compact manner in a housing. Thus, the number of necessary components is significantly reduced.
In a further advantageous embodiment of the invention, the receiving compartment has a rib which engages in the housing of the fan element. By the rib, the fan element can be additionally fixed without the need for further, the fan element from the outside encompassing constructive means.
In a further advantageous embodiment of the invention, the receiving compartment has a transverse bar, which supports the fan element along a side edge of its housing transversely to the direction of insertion. The crossbar supports the correct insertion the fan element, and prevents the inserted fan element can dodge in his direction.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist an dem Querbalken eine Rastnase angeformt, welche an dem Gehäuse des Lüfterelements verrastet. Die Rastnase hält das eingeschobene Lüfterelement an seiner Montageposition fest und verhindert ein unbeabsichtigtes Herausgleiten des Lüfterelements aus dem Aufnahmefach. Somit sind zusätzliche Befestigungsmittel wie z.B. Schrauben überflüssig.In a further advantageous embodiment of the invention, a latching lug is formed on the transverse bar, which latches on the housing of the fan element. The latch keeps the inserted fan element at its mounting position and prevents unintentional slipping out of the fan element from the receiving compartment. Thus, additional attachment means such as e.g. Screws unnecessary.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung besteht der das Lüfterelement aufnehmende Rahmen aus schwingungsdämpfendem Material. Dieses Material kann beispielsweise ein Kunststoffmaterial wie Polypropylen sein. Somit kann auf separate Dämpfungselemente verzichtet werden, wobei dennoch die durch den Betrieb des Lüfters hervorgerufenen Schwingungen und damit verbundene Geräusche minimiert werden können.In a further advantageous embodiment of the invention, the fan element receiving frame consists of vibration-damping material. This material may be, for example, a plastic material such as polypropylene. Thus, can be dispensed with separate damping elements, while still causing the vibrations caused by the operation of the fan and related noise can be minimized.

Die Erfindung ist zur Verwendung in einem Kältegerät vorgesehen, welches ein erfindungsgemäßes Lüfteraggregat besitzt, wobei eine Öffnung des Aufnahmefachs an einer Innenwand des Kältegeräts anliegt. Somit ist das Aufnahmefach nach der Montage des Lüfteraggregats an der Innenwand des Kältegeräts auf seiner verbleibenden offenen Seite durch die Innenwand begrenzt, so dass das Lüfterelement nunmehr auf allen vier Seiten umschlossen ist.The invention is intended for use in a refrigerator, which has a fan unit according to the invention, wherein an opening of the receiving compartment rests against an inner wall of the refrigerator. Thus, the receptacle is limited by the inner wall after assembly of the fan assembly to the inner wall of the refrigerator on its remaining open side, so that the fan element is now enclosed on all four sides.

Insbesondere unterstützt das erfindungsgemäße Lüfteraggregat den Einbau eines handelsüblichen Standard-Kompaktlüfters. Ein solcher Kompaktlüfter ist normiert, kann besonders leicht verbaut werden, ist leicht austauschbar und lässt auch den Einsatz eines Lüfters von verschiedenen Herstellern zu.In particular, the fan assembly according to the invention supports the installation of a standard commercial compact fan. Such a compact fan is normalized, can Especially easy to install, is easily replaceable and also allows the use of a fan from different manufacturers.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Figuren. Es zeigen:

Fig. 1
eine perspektivische Ansicht eines Rahmens eines Lüfteraggregats gemäß der Erfindung, gesehen schräg von hinten;
Fig. 2
eine Ansicht eines in der Erfindung verwendeten Lüfterelements;
Fig. 3
eine perspektivische Ansicht des Lüfteraggregats mit einem im Rahmen montierten Lüfterelement gemäß der Erfindung, gesehen schräg von hinten;
Fig. 4
eine perspektivische Ansicht des Lüfteraggregats aus Fig. 3, gesehen schräg von vorn.
Further features and advantages of the invention will become apparent from the following description of embodiments with reference to the accompanying figures. Show it:
Fig. 1
a perspective view of a frame of a fan assembly according to the invention, seen obliquely from behind;
Fig. 2
a view of a fan element used in the invention;
Fig. 3
a perspective view of the fan assembly with a mounted in the frame fan element according to the invention, seen obliquely from behind;
Fig. 4
a perspective view of the fan unit Fig. 3 , seen diagonally from the front.

Die Darstellung in Fig. 1 zeigt einen Rahmen 3 eines z.B. i ein Haushalts-Kältegerät einsetzbaren Lüfteraggregats gemäß der vorliegenden Erfindung. Der Rahmen 3 umfasst ein Aufnahmefach 31, 31', 33, 33', 34, 36, 37, 38, welches an drei Seiten durch einen Boden 36 und zwei Seitenwände 31, 31' gebildet ist, an einer - in der Perspektive der Fig. 1 vom Betrachter abgewandten -Vorderseite durch einen Querbalken 34 und an einer Rückseite durch Führungsschienen 33, 33' und einen Halterahmen 38.The representation in Fig. 1 shows a frame 3 of a example i i a household refrigeration appliance deployable fan unit according to the present invention. The frame 3 comprises a receptacle 31, 31 ', 33, 33', 34, 36, 37, 38, which on three sides by a bottom 36 and two side walls 31, 31 'is formed on a - in the perspective of Fig. 1 facing away from the viewer-front by a crossbar 34 and at a rear side by guide rails 33, 33 'and a holding frame 38th

Der Boden 36 besitzt im Wesentlichen die Form eines langgestreckten Rechtecks. An je einer Schmalseite des Bodens 36 grenzen die Seitenwände 31, 31' an, welche sich vom Boden 36 aus senkrecht nach oben erstrecken und ebenfalls im Wesentlichen wie ein langgestrecktes Rechteck geformt sind. Die vorderen Kanten des Bodens 36 und der Seitenwände 31, 31' bilden eine gemeinsame Flucht.The bottom 36 has substantially the shape of an elongated rectangle. On each narrow side of the bottom 36 adjoin the side walls 31, 31 ', which extend from the bottom 36 from vertically upwards and are also shaped substantially like an elongated rectangle. The front edges of the bottom 36 and the side walls 31, 31 'form a common escape.

Am Boden 36 ist eine Rippe 37 angeformt, welche sich senkrecht vom Boden 36 erhebt und parallel zu den Seitenwänden 31, 31' steht, wobei sich die Rippe 37 nicht in der Mitte des Bodens befindet, sondern zu einer der Seitenwände 31, 31' hin versetzt angeformt ist. Die Rippe 37 erstreckt sich nicht über die gesamte Tiefe des Bodens 36, sondern lässt an ihren beiden Stirnseiten einen Rand am Boden 36 frei. An ihren beiden oberen Ecken ist die Rippe 37 abgeschrägt oder abgerundet.At the bottom 36, a rib 37 is formed, which rises vertically from the bottom 36 and is parallel to the side walls 31, 31 ', wherein the rib 37 is not in the center of the floor, but to one of the side walls 31, 31' out offset is formed. The rib 37 does not extend over the entire depth of the bottom 36, but leaves at its two end faces an edge at the bottom 36 free. At its two upper corners, the rib 37 is bevelled or rounded.

Die Seitenwände 31, 31' sind nach hinten durch Seitenwände 32, 32' fortgesetzt, wobei der Abstand der Seitenwände 31, 31' voneinander größer ist als der Abstand zwischen den Seitenwänden 32, 32', so dass jeweils zwischen den ineinander übergehenden Seitenwänden 31 und 32 bzw. 31' und 32' eine senkrechte Kante gebildet ist. Diese Kante bildet auf jeder Seite die Führungsschiene 33 und 33'.The side walls 31, 31 'are continued to the rear by side walls 32, 32', wherein the distance of the side walls 31, 31 'from each other is greater than the distance between the side walls 32, 32', so that in each case between the merging side walls 31 and 32 and 31 'and 32', a vertical edge is formed. This edge forms on each side of the guide rail 33 and 33 '.

Der Boden 36 ist an seiner hinteren Kante durch den Halterahmen 38 begrenzt, welcher sich über die gesamte Breite des Bodens 36 erstreckt, und senkrecht zur Ebene des Bodens 36 steht. Der Halterahmen 38 verbindet die hinteren Seitenwände 32 und 32' in einem unteren Bereich, indem er an diese direkt an der durch die von den Seitenwänden 31 und 32 bzw. 31' und 32 gebildeten Kante angrenzt und jeweils mit der Kante eine Flucht bildet. Der Halterahmen 38 läuft zu den Seitenwänden 32 und 32' hin als eine im wesentlichen wie ein Dreieck geformte Fläche aus, und besitzt unten in der Mitte nur einen schmalen Steg.The bottom 36 is bounded at its rear edge by the holding frame 38, which extends over the entire width of the bottom 36, and is perpendicular to the plane of the bottom 36. The support frame 38 connects the rear side walls 32 and 32 'in a lower area by abutting them directly on the edge formed by the side walls 31 and 32 and 31' and 32, respectively, and escapes with the edge respectively. The support frame 38 extends to the side walls 32 and 32 'out as a substantially triangular-shaped surface, and has down the middle only a narrow web.

An der Vorderkante der Seitenwände 31, 31' ist der Querbalken 34 angeformt, welcher die Seitenwände 31, 31' in einem oberen Bereich verbindet und dessen Fläche parallel zur Ebene des Haltebogens 38 verläuft. Der Querbalken 34 läuft ebenso wie der Halterahmen 38 auf jeder seiner beiden Seiten als eine im wesentlichen wie ein Dreieck geformte Fläche aus, und bildet in seiner Mitte einen Steg. An diesem Steg ist an der dem Halterahmen 38 zugewandten Seite eine Rastnase 35 ausgeformt, deren untere Kante mit den oberen Kanten der Seitenwände 31, 31' auf einer Flucht liegt. Die Dreieckflächen des Halterahmens 38 versteifen das Aufnahmefach.At the front edge of the side walls 31, 31 'of the crossbar 34 is formed, which connects the side walls 31, 31' in an upper region and whose surface is parallel to the plane of the retaining bow 38. The crossbar 34 as well as the support frame 38 runs on each of its two sides as a substantially triangular-shaped surface, and forms in its center a web. At this web, a latching lug 35 is formed on the side facing the holding frame 38, the lower edge of which lies flush with the upper edges of the side walls 31, 31 '. The triangular surfaces of the holding frame 38 stiffen the receiving compartment.

In der Ebene des Bodens 36 schließt sich in Richtung der Rückseite des Rahmens 3 nach dem Haltebogen 38 ein Gitter 39 mit mehreren Stegen an, welche die Seitenwände 32 und 32' an ihrer Unterkante verbinden.In the plane of the bottom 36 is followed in the direction of the back of the frame 3 after the tie 38, a grid 39 with a plurality of webs, which connect the side walls 32 and 32 'at its lower edge.

Fig. 2 zeigt eine Darstellung eines in der Erfindung verwendeten Lüfterelements 2. Ein solches Lüfterelement kann beispielsweise als handelsüblicher Standard-Kompaktlüfter ausgebildet sein. Das Lüfterelement 2 besitzt ein Gehäuse in Form von zwei quadratischen Platten 21 und einem die Platten verbindenden Rohrabschnitt 22. In dem Rohrabschnitt ist ein durch einen Nabenmotor angetriebenes Lüfterrad 23 montiert. Von einer der Platten 21 des Gehäuses gehen Versorgungsleitungen 24 aus, über welche das Lüfterelement mit einer Spannungsversorgung verbunden werden kann. Die Austrittsstelle der Versorgungsleitungen 24 ist an einem Rand der Platte 21 außermittig angeordnet. An den Ecken der Platten 21 sind mehrere Bohrungen 25 angebracht, welche bei einer üblichen Montage des Lüfters als Schraubenlöcher dienen können, die aber für die Montage des Lüfterelements durch Einschieben in den Rahmen 3 erfindungsgemäß nicht benötigt werden. Im montierten Zustand greift die Rippe 37 in einen Zwischenraum zwischen den beiden Platten 21 des Lüfterelements ein und fixiert so das Lüfterelement in axialer Richtung. Fig. 2 shows a representation of a fan element used in the invention 2. Such a fan element, for example, as a standard commercial compact fan be educated. The fan element 2 has a housing in the form of two square plates 21 and a tube section 22 connecting the plates. A fan wheel 23 driven by a hub motor is mounted in the tube section. From one of the plates 21 of the housing go from supply lines 24, via which the fan element can be connected to a power supply. The exit point of the supply lines 24 is arranged eccentrically on an edge of the plate 21. At the corners of the plates 21 a plurality of bores 25 are mounted, which can serve as screw holes in a conventional mounting of the fan, which are not required according to the invention for mounting the fan element by inserting into the frame 3. In the assembled state, the rib 37 engages in a gap between the two plates 21 of the fan element and thus fixes the fan element in the axial direction.

In Fig. 3 ist das erfindungsgemäße Lüfteraggregat 1 von hinten dargestellt, bei welchem das Lüfterelement 2 im Aufnahmefach 31, 31', 33, 33', 34, 36, 37, 38 des Rahmens 3 montiert ist.In Fig. 3 the fan unit 1 according to the invention is shown from the rear, in which the fan element 2 in the receiving compartment 31, 31 ', 33, 33', 34, 36, 37, 38 of the frame 3 is mounted.

Hierbei sitzt das Gehäuse des Lüfterelement 2 passgenau zwischen den Seitenwänden 31 und 31' und liegt mit seiner Unterseite am Boden 36 (hier nicht sichtbar) an. Die Führungsschienen 33, 33' umgreifen die vertikalen Kanten der hinteren Platte 21 in ihrer ganzen Länge. Der Halterahmen 38 liegt flächig an einem Teil der Rückseite des Gehäuses 21 an, wobei mehrere der Montagebohrungen 25 durch den Halterahmen 38 überdeckt sind, so dass keine Luft durch die Bohrungen 25 zurückströmen kann. Da sich die Überdeckung nur außerhalb der Luftaustrittsöffnung des Lüfterelements 2 befindet, wird ein vom Lüfterrad 23 erzeugter Luftstrom nicht behindert.In this case, the housing of the fan element 2 sits snugly between the side walls 31 and 31 'and lies with its underside on the bottom 36 (not visible here). The guide rails 33, 33 'engage around the vertical edges of the rear plate 21 in its entire length. The holding frame 38 bears flat against a part of the rear side of the housing 21, wherein a plurality of the mounting holes 25 are covered by the holding frame 38, so that no air can flow back through the holes 25. Since the overlap is only outside the air outlet opening of the fan element 2, an air flow generated by the fan 23 is not hindered.

Der Querbalken 34 (in dieser Ansicht teilweise verdeckt) liegt ebenfalls flächig an der vorderen Platte 21 des Lüfterelements 2 an. Die Rastnase 35 in der Mitte des Querbalkens 34 ist an einer oberen Kante der Platte 21 verrastet.The crossbar 34 (partially hidden in this view) is also flat against the front plate 21 of the fan element 2. The detent 35 in the middle of the crossbar 34 is latched to an upper edge of the plate 21.

Das Lüfterelement 2 ist in dem Aufnahmefach so montiert, dass sich die Austrittsstelle der Versorgungsleitungen 24 an einer Oberseite des Lüfterelements und nahe der Seitenwand 31' des Aufnahmefachs befindet.The fan element 2 is mounted in the receiving compartment so that the exit point of the supply lines 24 is located on an upper side of the fan element and close to the side wall 31 'of the receiving compartment.

Das Lüfteraggregat 1 wird an einer Innenwand eines Kältegeräts in einer Weise montiert, so dass eine Oberseite des Rahmens 3 sowie die rückwärtigen Flanken der Seitenwände 32, 32' an der Innenwand anliegen. Somit ist die nach oben gerichtete Öffnung des Aufnahmefachs 31, 31', 33, 33', 34, 36, 37, 38 gleichfalls durch die Innenwand begrenzt, so dass das Lüfterelement auf allen vier Seiten umschlossen ist.The fan unit 1 is mounted on an inner wall of a refrigerator in a manner such that an upper side of the frame 3 and the rear flanks of the side walls 32, 32 'bear against the inner wall. Thus, the upward opening of the receiving compartment 31, 31 ', 33, 33', 34, 36, 37, 38 is also limited by the inner wall, so that the fan element is enclosed on all four sides.

In Fig. 4 ist eine perspektivische Ansicht des erfindungsgemäßen Lüfteraggregats von Fig. 3 dargestellt, gesehen von vorne. Das Gehäuse des Lüfterelements 2 ist von den Seitenwänden 31, 31' und vom Boden 36 fest umschlossen. Zu seiner Vorderseite hin ist das Gehäuse 21 durch den Querbalken 34 (hier teilweise verdeckt) gehalten, und wird zu den Seiten hin teilweise von ihm überdeckt. Durch die Überdeckung werden mehrere Montagebohrungen 25 abgedeckt, so dass keine Luft durch die Bohrungen 25 nach vorne zurückströmen kann. Da sich die Überdeckung nur außerhalb der Lufteintrittsöffnung des Lüfterelements 2 befindet, wird ein vom Lüfterrad 23 angesogener Luftstrom nicht behindert.In Fig. 4 is a perspective view of the fan unit of the invention Fig. 3 shown, seen from the front. The housing of the fan element 2 is firmly enclosed by the side walls 31, 31 'and the bottom 36. At its front side, the housing 21 is held by the transverse bar 34 (partially hidden here), and is partially covered by the sides. By covering a plurality of mounting holes 25 are covered, so that no air can flow back through the holes 25 forward. Since the overlap is only outside the air inlet opening of the fan element 2, a suctioned by the fan 23 air flow is not hindered.

Die Fixierung des Lüfterelements 2 durch die am Boden 36 angeformte Rippe am Aufnahmefach 31, 31', 33, 33', 34, 36, 37, 38 ist nach einem Einschieben des Lüfterelements 2 nicht mehr sichtbar, da die Rippe 37 von unten in das Gehäuse 21 eingreift und somit das Gehäuse 21 die Rippe 37 vollständig umschließt.The fixation of the fan element 2 by the integrally formed on the bottom 36 rib on receiving tray 31, 31 ', 33, 33', 34, 36, 37, 38 is no longer visible after insertion of the fan element 2, since the rib 37 from below into the Housing 21 engages and thus the housing 21, the rib 37 completely encloses.

Von der oberen Seite des Gehäuses des Lüfterelements 2 sind die Versorgungsleitungen 24 über die obere Kante der Seitenwand 31' hinweggeführt und über Steckeranschlüsse 41 an einer an der Außenseite des Rahmens 3 angeordneten Versorgungsbaugruppe 4 angeschlossen. Hierbei ist die Länge der Versorgungsleitungen 24 so bemessen, dass die Versorgungsleitungen gerade die vorgesehenen Steckeranschlüsse 41 erreichen können. Wenn das Lüfterelement 2 in falscher Orientierung montiert worden wäre, mit der Seitenwand 31 benachbarter Austrittstelle der Versorgungsleitungen 24, wäre es nicht möglich, diese mit den Steckeranschlüsse 41 zu verbinden. Daher wird ein falscher Einbau des Lüfterelements 2 zwangsläufig erkannt und behoben, bevor das komplette Lüfteraggregat 1 in einem Kältegerät montiert wird.From the upper side of the housing of the fan element 2, the supply lines 24 are guided over the upper edge of the side wall 31 'and connected via plug connections 41 to a supply module 4 arranged on the outside of the frame 3. In this case, the length of the supply lines 24 is dimensioned so that the supply lines can reach the intended plug connections 41. If the fan element 2 had been mounted in the wrong orientation, with the side wall 31 of adjacent exit point of the supply lines 24, it would not be possible to connect them to the plug connections 41. Therefore, a wrong installation of the fan element 2 is inevitably detected and corrected before the complete fan unit 1 is mounted in a refrigerator.

Claims (12)

  1. Refrigeration device with a ventilation assembly (1), comprising a ventilating element (2) with a motor driving a ventilator wheel (23) and a frame (3), wherein the frame (3) forms a receiving compartment (31, 31', 33, 33', 34, 36, 37, 38), into which the ventilating element (2) can be introduced in various orientations, and the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) has at least one guide element (33, 33') with the aid of which the ventilating element (2) can be slid into the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) and held inside the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) in a manner at least not allowing much play, characterised in that the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) is configured only to permit one mounting position of the ventilating element (2), in which the length of a supply line (24) of the ventilating element (2) is sufficient in order to be connected to plug connections (41) of a power supply.
  2. Refrigeration device (1) according to claim 1, characterised in that the ventilating element (2) has a housing (21), in which the ventilator wheel (23) driven by the motor rotates.
  3. Refrigeration device according to claim 1 or 2, characterised in that the guide element (33, 33') is oriented transversely to an axis of rotation of the ventilating element (2).
  4. Refrigeration device according to one of claims 1 to 3, characterised in that two guide elements (33, 33') are provided, which are embodied as guide surfaces, and interact with opposing surfaces on the ventilating element (2) in the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) for guidance purposes.
  5. Refrigeration device according to claim 4, characterised in that the guide surfaces are arranged parallel to each other.
  6. Refrigeration device according to claim 2, 4 or 5, characterised in that the guide surfaces have a width which is matched to the depth of the housing (21) of the ventilating element (2).
  7. Refrigeration device according to one of claims 1 to 6, characterised in that the guide surfaces fix the housing (21) in a first orientation and a releasable holding device fixes the housing (21) in a second orientation within the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38).
  8. Refrigeration device according to one of the preceding claims, characterised in that the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) has a rib (37), which engages in the housing (21) of the ventilating element (2).
  9. Refrigeration device according to one of the preceding claims, characterised in that the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) has a tie (34), which supports the ventilating element (2) along a lateral edge of its housing (21).
  10. Refrigeration device according to claim 9, characterised in that a latch (35) is formed on the tie (34), which engages on the housing (21) of the ventilating element (2).
  11. Refrigeration device according to one of the preceding claims, characterised in that the frame (3) receiving the ventilating element (2) consists of oscillation-damping material.
  12. Refrigeration device according to one of the preceding claims, characterised in that an opening of the receiving compartment (31, 31', 33, 33', 34, 36, 37, 38) abuts an internal wall of the refrigeration device.
EP08774122.9A 2007-06-25 2008-06-18 Refrigeration device Not-in-force EP2160548B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710029175 DE102007029175A1 (en) 2007-06-25 2007-06-25 The refrigerator
PCT/EP2008/057670 WO2009000717A1 (en) 2007-06-25 2008-06-18 Refrigeration device

Publications (2)

Publication Number Publication Date
EP2160548A1 EP2160548A1 (en) 2010-03-10
EP2160548B1 true EP2160548B1 (en) 2018-11-14

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EP08774122.9A Not-in-force EP2160548B1 (en) 2007-06-25 2008-06-18 Refrigeration device

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EP (1) EP2160548B1 (en)
CN (1) CN101688728B (en)
DE (1) DE102007029175A1 (en)
RU (1) RU2473023C2 (en)
WO (1) WO2009000717A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045342A1 (en) * 2009-10-05 2011-04-07 BSH Bosch und Siemens Hausgeräte GmbH Refrigeration unit with fan
DE102009045341A1 (en) * 2009-10-05 2011-04-07 BSH Bosch und Siemens Hausgeräte GmbH Refrigeration unit with fan
DE102012201883A1 (en) * 2012-02-09 2013-08-14 BSH Bosch und Siemens Hausgeräte GmbH Refrigeration device with a fan

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US20020037240A1 (en) * 2000-06-15 2002-03-28 Daishin Okada Refrigerator and deodorizer producing ozone by high-voltage discharge

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JPH0158066U (en) * 1987-10-06 1989-04-11
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JPH0273581U (en) * 1988-11-21 1990-06-05
JP3378470B2 (en) * 1997-06-10 2003-02-17 株式会社東芝 refrigerator
KR100477116B1 (en) * 2002-08-13 2005-03-17 삼성전자주식회사 Refrigerator for Cabbage and Radish Pickle
JP4896359B2 (en) * 2003-01-28 2012-03-14 富士通株式会社 Electronic equipment
JP4263493B2 (en) * 2003-01-28 2009-05-13 富士通株式会社 Casing, device unit and fan unit
TWM248035U (en) * 2003-07-11 2004-10-21 Asia Pacific Fuel Cell Tech Cooling device of air-cooling type fuel battery set
KR100569891B1 (en) * 2003-12-18 2006-04-10 엘지전자 주식회사 Method for control operation of pan in refrigerator

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US20020037240A1 (en) * 2000-06-15 2002-03-28 Daishin Okada Refrigerator and deodorizer producing ozone by high-voltage discharge

Also Published As

Publication number Publication date
WO2009000717A1 (en) 2008-12-31
CN101688728B (en) 2013-07-17
EP2160548A1 (en) 2010-03-10
RU2009148372A (en) 2011-07-27
DE102007029175A1 (en) 2009-01-08
RU2473023C2 (en) 2013-01-20
CN101688728A (en) 2010-03-31

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