EP2236963B1 - Combi cooler with internal lighting - Google Patents

Combi cooler with internal lighting Download PDF

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Publication number
EP2236963B1
EP2236963B1 EP10155502.7A EP10155502A EP2236963B1 EP 2236963 B1 EP2236963 B1 EP 2236963B1 EP 10155502 A EP10155502 A EP 10155502A EP 2236963 B1 EP2236963 B1 EP 2236963B1
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EP
European Patent Office
Prior art keywords
refrigeration appliance
light source
light
door
appliance according
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
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EP10155502.7A
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German (de)
French (fr)
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EP2236963A2 (en
EP2236963A3 (en
Inventor
Alexander Heinrich
Matthias Wiedenmann
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP2236963A2 publication Critical patent/EP2236963A2/en
Publication of EP2236963A3 publication Critical patent/EP2236963A3/en
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Publication of EP2236963B1 publication Critical patent/EP2236963B1/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
    • F25D27/00—Lighting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/069—Cooling space dividing partitions
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers

Definitions

  • the present invention relates to a refrigeration appliance, in particular a domestic refrigeration appliance, according to the preamble of claim 1.
  • a refrigeration appliance is made DE 20 2006 05548 U1 .
  • a satisfactory interior lighting with a mounted in the manner described bulbs is generally not reachable.
  • the door of the upper storage zone shadows the light source when the door of the lower storage zone is opened, so that the lighting means for illuminating the lower storage zone is not useful.
  • a lamp arranged in the ceiling is unsatisfactory, because in order to illuminate the upper storage zone, the light cone of the light source must be fanned into the upper storage zone. The farther the light cone is fanned out, the worse is the illumination of a drawer of the lower storage zone which is far removed from the light source.
  • DE 2006 05548 U1 discloses a refrigeration device in which a downwardly open recess for accommodating a lighting means is arranged centrally on the underside of a parting plane between two storage zones. If a drawer is pulled too far out of the storage zone below the dividing plane, the light of the illuminant no longer reaches it. If the storage zone contains two drawers, the illuminant can only illuminate the upper one.
  • a luminaire module is mounted on the front edge of a partition wall between two storage zones: The module projects beyond a plane on which, when the doors are closed, their magnetic seals are also in contact. This level shadows the interior of the lower shelf from the light source. A drawer must therefore be pulled far forward to be illuminated by the assembly, and unless the entire drawer can be pulled forward to the level, a rear area of it is always in the shade.
  • the object of the invention is therefore to make a refrigeration device with at least two storage zones separated from one another by a horizontal separating plane, in which at least the lower storage zone has at least one drawer that can be pulled out, so that a satisfactory illumination of the drawer pulled out is possible.
  • the light source can be used to illuminate an information carrier at a front edge of the parting plane.
  • an information carrier can be used to display variable data, in particular operating parameters measured on the device; in the simplest case, the displayed information can be immutable, for example, the user only to a specificity of the adjacent lower To indicate storage zone. This is particularly useful when the lower storage zone is a zero degree compartment to ensure that a user does not inadvertently store inappropriate refrigerated goods for such storage temperature.
  • the light source feeds a light guide which extends within the parting plane and backlit the information carrier.
  • the light guide preferably has a light-scattering structure on a surface remote from the information carrier.
  • LEDs are preferred as a light source.
  • the parting plane is formed by a heat insulating wall and an air duct housing extending along the wall, and the light source is arranged in front of the air duct housing or integrated therein.
  • Fig. 1 shows a perspective view obliquely from below of a refrigerator according to the present invention.
  • a body 1 of the refrigerator two storage zones are divided, a normal refrigerated compartment 2 and including a fresh refrigerator or zero-degree compartment 3. Both compartments are closed by a common door 4, but it is obvious that each of the two compartments has its own Door could be assigned.
  • the zero-degree compartment 3 is filled in height and width by two drawers 5, 6.
  • the lower drawer 6 can be seen in a partially extended position.
  • At the upper drawer 5 it can be seen that the two drawers in a fully inserted position do not reach almost directly to a front side 7 of the body against which a seal (not shown) of the door 4 rests in the closed position.
  • the unfolded by the drawers 5, 6 in the retracted position front portion of the zero-degree compartment 3 takes with the door closed on the inside of the door 4 shaped flat projection 8.
  • the projection 8 is with Insulation material filled so that an insulating layer of the door 4 at the level of the zero-degree compartment 3 is stronger than at the level of the normal refrigeration compartment. 2
  • a horizontal partition wall 9 of the body 1 separates the two compartments 2, 3 from each other.
  • light passage openings 10 are distributed in the vicinity of its front edge, is emitted by the light at the open door 4 down.
  • the light can be fed to the openings 10 from a common light source through light guides extending inside the intermediate wall 9;
  • Preferably located above each light passage opening 10 in the interior of the intermediate wall 9 is a light emitting diode which emits via the corresponding opening 10.
  • Fig. 2 shows this fact in detail with reference to a vertical section through the front edge of the intermediate wall 9 and its surroundings.
  • the intermediate wall 9 has a one-piece deep-drawn plastic outer skin 11 and like the door 4 is filled in a conventional manner with insulating foam 12.
  • a recess 13 extends over the entire width of the zero-degree compartment 3.
  • an angle section 14 is mounted.
  • the light passage openings 10 are distributed in a horizontal lower leg 15 of the angle section 14.
  • a vertical front leg 16 of the angle section 14 are transparent windows or openings 17 in the form of a lettering 18 (FIG. Fig. 1 ), which alerts the user to the purpose of the compartment 3 and the storage temperature prevailing therein.
  • a planar light guide 19 extends along the leg 16.
  • a plurality of light emitting diodes 20 are arranged in the cavity bounded by the angle section 14 and the outer skin 11 of the intermediate wall 9 and each aligned with a light passage opening 10 to radiate through this obliquely forward and downward.
  • Fig. 3 shows you one Fig. 2 analog section according to a second embodiment of the invention.
  • the arrangement of the light-emitting diodes 20 with respect to the drawers is the same as with reference to FIG Fig. 2 described.
  • the Isolierschaum Mrs 12 of the intermediate wall 9 is slightly thinner than in the case of Fig. 2 to leave space between it and the upper drawer 5 for an air duct housing 21, in which an air duct 22 in the depth direction of the body between a passage 23 adjacent to the front of the drawer 5 and in a rear upper corner of the zero-degree compartment 3 accommodated, not shown in the figure blower extends.
  • Fig. 4 shows a horizontal section through the front side 24 of the air guide housing 21 and the groove 25. It can be seen two light-emitting diodes 20 in association with their light passage openings 10 and along the front side 24 extending optical fiber 19. At the ends of the light guide 19 are two LEDs 26th arranged, which feed light into the light guide 19. The light propagates in the light guide 19 predominantly by total reflection; however, the rear side remote from the front side 24 of the light guide 19 is roughened or provided with a diffusely reflecting layer 27, so that a part of the light is scattered there and exits through the openings 17 of the lettering forward.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Description

Die vorliegende Erfindung betrifft ein Kältegerät, insbesondere ein Haushaltskältegerät, nach dem Oberbegriff des Anspruchs 1. Ein solches Kältegerät ist aus DE 20 2006 05548 U1 , US 4 706 169 A1 und DE 20 2007 004077 U1 bekannt.The present invention relates to a refrigeration appliance, in particular a domestic refrigeration appliance, according to the preamble of claim 1. Such a refrigeration appliance is made DE 20 2006 05548 U1 . US Pat. No. 4,706,169 A1 and DE 20 2007 004077 U1 known.

Bei Gefriergeräten ist es bekannt, in einem über ein Türblatt überstehenden vorderen Randbereich einer Korpusdecke eine Lichtquelle einzubauen, die, wenn die Tür geöffnet ist, an einer offenen Vorderseite des Geräts entlang abwärts strahlt und ausgezogene Schubladen von oben beleuchtet. In unmittelbarer Nähe des Leuchtmittels wird nur eine kleine Fläche ausgeleuchtet, diese aber mit hoher Intensität. Dies ist bei einem Gefrierschrank im Allgemeinen nicht problematisch, da dessen oberste Fächer im Allgemeinen keine Schubladen enthalten, sondern durch ausschwenkbare Klappen verschlossen sind, so dass Licht des Leuchtmittels, wenn es auf eine ausgeschwenkte Klappe trifft, das dahinter liegende Fach indirekt beleuchtet, wohingegen Schubladen weit genug vom Leuchtmittel entfernt sind um in ausgezogenem Zustand gleichmäßig und vollständig ausgeleuchtet zu werden. Da jedoch die untersten Schubladen weit von dem Leuchtmittel entfernt sind, ist die Leuchtdichte, mit der sie ausgeleuchtet werden, relativ gering.In freezers, it is known to install a light source in a front edge region of a carcass top that projects beyond a door leaf, which, when the door is open, radiates downward along an open front side of the device and illuminates extended drawers from above. In the immediate vicinity of the light source only a small area is illuminated, but this with high intensity. This is generally not a problem in a freezer, as its top compartments generally contain no drawers but are closed by swinging flaps so that light from the bulb, when it encounters a swung-out door, indirectly illuminates the compartment behind it, whereas drawers far enough away from the bulbs are to be uniformly and completely illuminated in the extended state. However, since the lowermost drawers are far from the light source, the luminance with which they are illuminated is relatively low.

Bei einem Kombinations-Kältegerät mit zwei übereinander liegenden Lagerzonen ist eine befriedigende Innenraumbeleuchtung mit einem in der beschriebenen Art angebrachten Leuchtmittel im Allgemeinen nicht zu erreichen. Im Falle eines mehrtürigen Geräts schattet die Tür der oberen Lagerzone das Leuchtmittel ab, wenn die Tür der unteren Lagerzone geöffnet wird, so dass das Leuchtmittel zum Ausleuchten der unteren Lagerzone nicht zu gebrauchen ist. Aber auch bei einem eintürigen Gerät ist ein in der Decke angeordnetes Leuchtmittel unbefriedigend, denn um die obere Lagerzone auszuleuchten, muss der Lichtkegel des Leuchtmittels in die obere Lagerzone hinein aufgefächert sein. Je weiter aber der Lichtkegel aufgefächert ist, umso schlechter ist die Ausleuchtung einer weit von dem Leuchtmittel entfernten herausgezogenen Schublade der unteren Lagerzone.In a combination refrigerator with two superimposed storage zones a satisfactory interior lighting with a mounted in the manner described bulbs is generally not reachable. In the case of a multi-door device, the door of the upper storage zone shadows the light source when the door of the lower storage zone is opened, so that the lighting means for illuminating the lower storage zone is not useful. But even with a one-door device, a lamp arranged in the ceiling is unsatisfactory, because in order to illuminate the upper storage zone, the light cone of the light source must be fanned into the upper storage zone. The farther the light cone is fanned out, the worse is the illumination of a drawer of the lower storage zone which is far removed from the light source.

DE 2006 05548 U1 offenbart ein Kältegerät, bei dem eine nach unten offene Aussparung zur Unterbringung eines Leuchtmittels zentral an der Unterseite einer Trennebene zwischen zwei Lagerzonen angeordnet ist. Wenn eine Schublade aus der unter der Trennebene liegenden Lagerzone zu weit herausgezogen ist, erreicht das Licht des Leuchtmittels sie nicht mehr. Falls die Lagerzone zwei Schubladen enthält, kann das Leuchtmittel nur die obere beleuchten. DE 2006 05548 U1 discloses a refrigeration device in which a downwardly open recess for accommodating a lighting means is arranged centrally on the underside of a parting plane between two storage zones. If a drawer is pulled too far out of the storage zone below the dividing plane, the light of the illuminant no longer reaches it. If the storage zone contains two drawers, the illuminant can only illuminate the upper one.

Bei dem in US 4 706 169 beschriebenen Kältegerät ist eine Baugruppe, die Leuchtmittel und von den Leuchtmitteln beleuchtete Informationsträger umfasst, an der Unterseite einer Trennwand zwischen zwei Lagerzonen montiert. Die Leuchtmittel sind in einem hinteren Bereich der Baugruppe angeordnet, so dass sich, wenn unter der Baugruppe mehrere Schubladen montiert wären, dasselbe Problem ergäbe wie oben mit Bezug auf DE 2006 05548 U1 erläutert.At the in US 4,706,169 described refrigeration device is an assembly that includes lighting and illuminated by the bulbs information carrier mounted on the underside of a partition between two storage zones. The bulbs are located in a rear portion of the assembly so that if multiple drawers were mounted beneath the assembly, the same problem would arise as described above with respect to FIG DE 2006 05548 U1 explained.

Bei dem Kältegerät nach DE 20 2007 004077 U1 ist eine Leuchtenbaugruppe am vorderen Rand einer Trennwand zwischen zwei Lagerzonen montiert: Die Baugruppe springt über eine Ebene vor, an der, wenn die Türen geschlossen sind, auch deren Magnetdichtungen anliegen. Diese Ebene schattet das Innere des unteren Fachs von der Lichtquelle ab. Eine Schublade muss daher weit vorgezogen werden, um von der Baugruppe beleuchtet zu werden, und sofern nicht die ganze Schublade bis vor die Ebene vorgezogen werden kann, liegt ein hinterer Bereich von ihr immer im Schatten.At the refrigerator after DE 20 2007 004077 U1 If a luminaire module is mounted on the front edge of a partition wall between two storage zones: The module projects beyond a plane on which, when the doors are closed, their magnetic seals are also in contact. This level shadows the interior of the lower shelf from the light source. A drawer must therefore be pulled far forward to be illuminated by the assembly, and unless the entire drawer can be pulled forward to the level, a rear area of it is always in the shade.

Aufgabe der Erfindung ist daher, ein Kältegerät mit wenigstens zwei durch eine horizontale Trennebene voneinander getrennten Lagerzonen, bei dem wenigstens die untere Lagerzone wenigstens eine herausziehbare Schublade aufweist, so zu gestalten, dass eine befriedigende Ausleuchtung der herausgezogenen Schublade möglich ist.The object of the invention is therefore to make a refrigeration device with at least two storage zones separated from one another by a horizontal separating plane, in which at least the lower storage zone has at least one drawer that can be pulled out, so that a satisfactory illumination of the drawer pulled out is possible.

Die Aufgabe wird gelöst durch ein Kältegerät mit den Merkmalen des Anspruchs 1.The object is achieved by a refrigeration device having the features of claim 1.

Zweckmäßigerweise kann die Lichtquelle benutzt werden, um einen Informationsträger an einer Vorderkante der Trennebene zu beleuchten. Ein derartiger Informationsträger kann dazu dienen, variable Daten wie insbesondere am Gerät gemessene Betriebsparameter anzuzeigen; im einfachsten Falle kann die angezeigte Information unveränderlich sein, z.B. um den Benutzer lediglich auf eine Besonderheit der angrenzenden unteren Lagerzone hinzuweisen. Dies ist insbesondere dann sinnvoll, wenn es sich bei der unteren Lagerzone um ein Null-Grad-Fach handelt, um sicherzustellen, dass ein Benutzer nicht versehentlich für eine solche Lagertemperatur ungeeignetes Kühlgut einlagert.Conveniently, the light source can be used to illuminate an information carrier at a front edge of the parting plane. Such an information carrier can be used to display variable data, in particular operating parameters measured on the device; in the simplest case, the displayed information can be immutable, for example, the user only to a specificity of the adjacent lower To indicate storage zone. This is particularly useful when the lower storage zone is a zero degree compartment to ensure that a user does not inadvertently store inappropriate refrigerated goods for such storage temperature.

Vorzugsweise speist die Lichtquelle einen Lichtleiter, der sich innerhalb der Trennebene erstreckt und den Informationsträger hinterleuchtet.Preferably, the light source feeds a light guide which extends within the parting plane and backlit the information carrier.

Um den Informationsträger gleichmäßig zu hinterleuchten, weist der Lichtleiter vorzugsweise an einer von dem Informationsträger abgewandten Oberfläche eine lichtstreuende Struktur auf.In order to illuminate the information carrier uniformly, the light guide preferably has a light-scattering structure on a surface remote from the information carrier.

Aus Platzgründen und aufgrund der guten Lichtausbeute sind Leuchtdioden als Lichtquelle bevorzugt.For reasons of space and due to the good light output LEDs are preferred as a light source.

Einer bevorzugten Ausgestaltung zufolge ist die Trennebene durch eine wärmeisolierende Wand und ein sich entlang der Wand erstreckendes Luftführungsgehäuse gebildet, und die Lichtquelle ist vor dem Luftführungsgehäuse angeordnet oder in dieses integriert.According to a preferred embodiment, the parting plane is formed by a heat insulating wall and an air duct housing extending along the wall, and the light source is arranged in front of the air duct housing or integrated therein.

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 erfindungsgemäßen Kältegeräts;
Fig. 2
einen Teilschnitt durch das Kältegerät gemäß einer ersten Ausgestaltung;
Fig. 3
einen zu Fig. 2 analogen Teilschnitt gemäß einer zweiten Ausgestaltung; und
Fig. 4
einen Schnitt entlang der Ebene IV-IV aus Fig. 3
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 refrigerator according to the invention;
Fig. 2
a partial section through the refrigerator according to a first embodiment;
Fig. 3
one too Fig. 2 analog partial section according to a second embodiment; and
Fig. 4
a section along the level IV-IV Fig. 3

Fig. 1 zeigt eine perspektivische Ansicht schräg von unten eines Kältegeräts gemäß der vorliegenden Erfindung. In einem Korpus 1 des Kältegeräts sind zwei Lagerzonen abgeteilt, ein Normalkühlfach 2 und darunter ein Frischkühlfach oder Null-Grad-Fach 3. Beide Fächer sind durch eine gemeinsame Tür 4 verschließbar, doch liegt auf der Hand, dass auch jedem der beiden Fächer eine eigene Tür zugeordnet sein könnte. Fig. 1 shows a perspective view obliquely from below of a refrigerator according to the present invention. In a body 1 of the refrigerator two storage zones are divided, a normal refrigerated compartment 2 and including a fresh refrigerator or zero-degree compartment 3. Both compartments are closed by a common door 4, but it is obvious that each of the two compartments has its own Door could be assigned.

Das Null-Grad-Fach 3 ist in Höhe und Breite durch zwei Schubladen 5, 6 ausgefüllt. Die untere Schublade 6 ist in einer teilweise ausgezogenen Stellung zu sehen. An der oberen Schublade 5 ist zu erkennen, dass die beiden Schubladen in einer vollständig eingeschobenen Stellung nicht bis unmittelbar an eine Frontseite 7 des Korpus heranreichen, an der in geschlossener Stellung ein (nicht dargestellte) Dichtung der Tür 4 anliegt. Der von den Schubladen 5, 6 in der eingeschobenen Stellung nicht ausgefüllte vordere Bereich des Null-Grad-Fachs 3 nimmt bei geschlossener Tür einen an der Innenseite der Tür 4 geformten flachen Vorsprung 8 auf. Der Vorsprung 8 ist mit Isolationsmaterial ausgefüllt, so dass eine Isolationsschicht der Tür 4 in Höhe des Null-Grad-Fachs 3 stärker ist als in Höhe des Normalkühlfachs 2.The zero-degree compartment 3 is filled in height and width by two drawers 5, 6. The lower drawer 6 can be seen in a partially extended position. At the upper drawer 5 it can be seen that the two drawers in a fully inserted position do not reach almost directly to a front side 7 of the body against which a seal (not shown) of the door 4 rests in the closed position. The unfolded by the drawers 5, 6 in the retracted position front portion of the zero-degree compartment 3 takes with the door closed on the inside of the door 4 shaped flat projection 8. The projection 8 is with Insulation material filled so that an insulating layer of the door 4 at the level of the zero-degree compartment 3 is stronger than at the level of the normal refrigeration compartment. 2

Eine horizontale Zwischenwand 9 des Korpus 1 trennt die beiden Fächer 2, 3 voneinander. An der Unterseite der Zwischenwand 9 sind in der Nähe ihres vorderen Randes Lichtdurchgangsöffnungen 10 verteilt, durch die bei offener Tür 4 Licht nach unten abgestrahlt wird. Das Licht kann den Öffnungen 10 von einem gemeinsamen Leuchtmittel her durch im Inneren der Zwischenwand 9 verlaufende Lichtleiter zugeführt sein; vorzugsweise befindet sich über jeder Lichtdurchgangsöffnung 10 im Inneren der Zwischenwand 9 eine Leuchtdiode, die über die entsprechende Öffnung 10 abstrahlt.A horizontal partition wall 9 of the body 1 separates the two compartments 2, 3 from each other. At the bottom of the intermediate wall 9, light passage openings 10 are distributed in the vicinity of its front edge, is emitted by the light at the open door 4 down. The light can be fed to the openings 10 from a common light source through light guides extending inside the intermediate wall 9; Preferably located above each light passage opening 10 in the interior of the intermediate wall 9 is a light emitting diode which emits via the corresponding opening 10.

Fig. 2 zeigt diesen Sachverhalt im Detail anhand eines vertikalen Schnittes durch den vorderen Rand der Zwischenwand 9 und dessen Umgebung. Die Zwischenwand 9 hat eine einteilig aus Kunststoff tiefgezogene Außenhaut 11 und ist wie die Tür 4 in an sich bekannter Weise mit Isolierschaum 12 ausgefüllt. An der vorderen unteren Kante der Zwischenwand 9 erstreckt sich eine Aussparung 13 über die gesamte Breite des Null-Grad-Fachs 3. In dieser Aussparung ist ein Winkelprofil 14 montiert. Die Lichtdurchgangsöffnungen 10 sind in einem horizontalen unteren Schenkel 15 des Winkelprofils 14 verteilt. In einem vertikalen vorderen Schenkel 16 des Winkelprofils 14 sind transparente Fenster oder Öffnungen 17 in Form eines Schriftzuges 18 (Fig. 1) gebildet, der den Benutzer auf den Zweck des Fachs 3 und die darin herrschende Lagertemperatur aufmerksam macht. Fig. 2 shows this fact in detail with reference to a vertical section through the front edge of the intermediate wall 9 and its surroundings. The intermediate wall 9 has a one-piece deep-drawn plastic outer skin 11 and like the door 4 is filled in a conventional manner with insulating foam 12. At the front lower edge of the intermediate wall 9, a recess 13 extends over the entire width of the zero-degree compartment 3. In this recess, an angle section 14 is mounted. The light passage openings 10 are distributed in a horizontal lower leg 15 of the angle section 14. In a vertical front leg 16 of the angle section 14 are transparent windows or openings 17 in the form of a lettering 18 (FIG. Fig. 1 ), which alerts the user to the purpose of the compartment 3 and the storage temperature prevailing therein.

Hinter den Öffnungen 17 erstreckt sich ein planarer Lichtleiter 19 am Schenkel 16 entlang. Mehrere Leuchtdioden 20 sind in dem von dem Winkelprofil 14 und der Außenhaut 11 der Zwischenwand 9 begrenzten Hohlraum angeordnet und jeweils auf eine Lichtdurchgangsöffnung 10 ausgerichtet, um durch diese schräg nach vorn und unten abzustrahlen.Behind the openings 17, a planar light guide 19 extends along the leg 16. A plurality of light emitting diodes 20 are arranged in the cavity bounded by the angle section 14 and the outer skin 11 of the intermediate wall 9 and each aligned with a light passage opening 10 to radiate through this obliquely forward and downward.

In der in Fig. 2 gezeigten Konfiguration mit geschlossener Tür 4 verdeckt der Vorsprung 8 die Lichtdurchgangsöffnungen 10, und die Leuchtdioden 20 sind ausgeschaltet. Ein in an sich bekannter Weise an die Stellung der Tür 4 gekoppelter Schalter schaltet die Leuchtdioden 20 ein, wenn die Tür 4 geöffnet wird. So wird die Schublade 5 oder 6, wenn sie herausgezogen wird, von den Leuchtdioden 20 ausgeleuchtet.In the in Fig. 2 In the closed door configuration 4 shown, the projection 8 obscures the light passage openings 10, and the LEDs 20 are turned off. A switch coupled in a manner known per se to the position of the door 4 switches on the light-emitting diodes 20 when the door 4 is opened. Thus, the drawer 5 or 6, when it is pulled out, illuminated by the LEDs 20.

Fig. 3 zeigt einen zu Fig. 2 analogen Schnitt gemäß einer zweiten Ausgestaltung der Erfindung. Die Anordnung der Leuchtdioden 20 in Bezug auf die Schubladen ist die gleiche wie mit Bezug auf Fig. 2 beschrieben. Die Isolierschaumschicht 12 der Zwischenwand 9 ist etwas dünner als im Fall der Fig. 2, um zwischen ihr und der oberen Schublade 5 Platz zu lassen für ein Luftführungsgehäuse 21, in dem sich ein Luftkanal 22 in Tiefenrichtung des Korpus zwischen einem zur Frontseite der Schublade 5 benachbarten Durchgang 23 und einem in einer hinteren oberen Ecke des Null-Grad-Fachs 3 untergebrachten, in der Figur nicht dargestellten Gebläse erstreckt. Zwischen dem Durchgang 23 und einer Frontseite 24 des Luftführungsgehäuses 21, in welcher der Schriftzug 18 gebildet ist, erstreckt sich eine nach oben offene Rinne 25 über die Breite des Null-Grad-Fachs 3. Am Boden dieser Rinne befinden sich die Lichtdurchgangsöffnungen 10, und in ihrem Inneren sind die Leuchtdioden 20 angeordnet. Fig. 3 shows you one Fig. 2 analog section according to a second embodiment of the invention. The arrangement of the light-emitting diodes 20 with respect to the drawers is the same as with reference to FIG Fig. 2 described. The Isolierschaumschicht 12 of the intermediate wall 9 is slightly thinner than in the case of Fig. 2 to leave space between it and the upper drawer 5 for an air duct housing 21, in which an air duct 22 in the depth direction of the body between a passage 23 adjacent to the front of the drawer 5 and in a rear upper corner of the zero-degree compartment 3 accommodated, not shown in the figure blower extends. Between the passage 23 and a front side 24 of the air guide housing 21, in which the lettering 18 is formed, extends an upwardly open channel 25 over the width of the zero-degree compartment 3. At the bottom of this channel are the light passage openings 10, and in their interior, the LEDs 20 are arranged.

Fig. 4 zeigt einen horizontalen Schnitt durch die Frontseite 24 des Luftführungsgehäuses 21 und die Rinne 25. Man erkennt zwei der Leuchtdioden 20 jeweils in Zuordnung zu ihren Lichtdurchgangsöffnungen 10 sowie den sich entlang der Frontseite 24 erstreckenden Lichtleiter 19. An den Enden des Lichtleiters 19 sind zwei Leuchtdioden 26 angeordnet, die Licht in den Lichtleiter 19 einspeisen. Das Licht breitet sich im Lichtleiter 19 überwiegend durch Totalreflexion aus; allerdings ist die von der Frontseite 24 abgewandte Rückseite des Lichtleiters 19 aufgeraut oder mit einer diffus reflektierenden Schicht 27 versehen, so dass ein Teil des Lichts daran gestreut wird und über die Öffnungen 17 des Schriftzugs nach vorn austritt. Fig. 4 shows a horizontal section through the front side 24 of the air guide housing 21 and the groove 25. It can be seen two light-emitting diodes 20 in association with their light passage openings 10 and along the front side 24 extending optical fiber 19. At the ends of the light guide 19 are two LEDs 26th arranged, which feed light into the light guide 19. The light propagates in the light guide 19 predominantly by total reflection; however, the rear side remote from the front side 24 of the light guide 19 is roughened or provided with a diffusely reflecting layer 27, so that a part of the light is scattered there and exits through the openings 17 of the lettering forward.

Claims (7)

  1. Refrigeration appliance, in particular household refrigeration appliance, having at least two storage zones (2, 3) separated from one another by means of a horizontal parting plane (9, 14; 9, 21), wherein at least the lower storage zone (3) has at least one drawer (5, 6) that can be pulled out and a light source (20; 26) for lighting the pulled-out drawer (6) is integrated in the parting plane (9, 14; 9, 21), wherein the lower storage zone (3) is delimited by a container with an open front side and a door (4) which closes the open front side, wherein the door (4) has a projection (8), characterised in that when the door is closed, the projection engages through the open front side into the container below the light source (20; 26) and conceals light aperture openings (10) and when the door is open it uncovers the space below the light source (20; 26).
  2. Refrigeration appliance according to claim 1, characterised in that an information carrier (18) on a front edge of the parting plane (9, 14; 9, 21) is lit by the light source (26).
  3. Refrigeration appliance according to claim 2, characterised in that the information carrier (18) is backlit by an optical fibre (19) extending within the parting plane (9, 14; 9, 21).
  4. Refrigeration appliance according to claim 3, characterised in that on a surface facing away from the information carrier (18) the optical fibre (19) has a structure (27) which scatters light.
  5. Refrigeration appliance according to one of the preceding claims, characterised in that the light source (20, 26) comprises at least one light-emitting diode (20; 26).
  6. Refrigeration appliance according to one of the preceding claims, characterised in that the parting plane (9, 21) is formed by a heat-insulating wall (9) and an air guide housing (21) extending along the wall (9) and that the light source (20, 26) is arranged in front of the air guide housing or integrated in the air guide housing (21).
  7. Refrigeration appliance according to one of the preceding claims, characterised in that the lower storage zone (3) is a chill compartment.
EP10155502.7A 2009-03-31 2010-03-04 Combi cooler with internal lighting Not-in-force EP2236963B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009002040A DE102009002040A1 (en) 2009-03-31 2009-03-31 Combination refrigeration unit with interior lighting

Publications (3)

Publication Number Publication Date
EP2236963A2 EP2236963A2 (en) 2010-10-06
EP2236963A3 EP2236963A3 (en) 2011-08-17
EP2236963B1 true EP2236963B1 (en) 2018-11-21

Family

ID=42299293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10155502.7A Not-in-force EP2236963B1 (en) 2009-03-31 2010-03-04 Combi cooler with internal lighting

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EP (1) EP2236963B1 (en)
DE (1) DE102009002040A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575052B (en) * 2012-08-07 2018-07-10 博西华电器（江苏）有限公司 Refrigerator
EP3376145A1 (en) * 2017-03-15 2018-09-19 Liebherr-Hausgeräte Ochsenhausen GmbH Refrigeration and/or freezer device
DE102017118430B4 (en) 2017-08-14 2021-08-19 Miele & Cie. Kg Freezer compartment light guide device for a freezer compartment for a refrigerator and refrigerator with a freezer compartment light guide device

Citations (1)

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Publication number Priority date Publication date Assignee Title
KR20000042122A (en) * 1998-12-24 2000-07-15 전주범 Method for controlling lamp of refrigerator

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US4706169A (en) * 1986-12-08 1987-11-10 Whirlpool Corporation Lighting system for appliance dials
JP4468104B2 (en) * 2004-08-03 2010-05-26 株式会社東芝 refrigerator
US20060285358A1 (en) * 2005-06-20 2006-12-21 Chen Jui C Display frame having a light source to provide back illumination
DE202006005548U1 (en) * 2006-04-05 2006-06-14 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating appliance with divided interior
DE202007004077U1 (en) * 2007-02-08 2008-06-19 Liebherr-Hausgeräte Ochsenhausen GmbH Fridge and / or freezer
KR100787552B1 (en) * 2007-04-03 2007-12-21 유니나 Signboard for advertising with direct-looking color luminous frame
CN101388163A (en) * 2007-09-11 2009-03-18 富士迈半导体精密工业（上海）有限公司 billboard

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Publication number Priority date Publication date Assignee Title
KR20000042122A (en) * 1998-12-24 2000-07-15 전주범 Method for controlling lamp of refrigerator

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DE102009002040A1 (en) 2010-10-07
EP2236963A2 (en) 2010-10-06
EP2236963A3 (en) 2011-08-17

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