WO2004081474A1 - Refrigerator with interior lighting - Google Patents

Refrigerator with interior lighting Download PDF

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Publication number
WO2004081474A1
WO2004081474A1 PCT/EP2004/002467 EP2004002467W WO2004081474A1 WO 2004081474 A1 WO2004081474 A1 WO 2004081474A1 EP 2004002467 W EP2004002467 W EP 2004002467W WO 2004081474 A1 WO2004081474 A1 WO 2004081474A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
luminous element
refrigerating appliance
appliance according
interior
Prior art date
Application number
PCT/EP2004/002467
Other languages
German (de)
French (fr)
Inventor
Rolf Kordon
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to AT04718931T priority Critical patent/ATE474196T1/en
Priority to US10/545,469 priority patent/US20060138916A1/en
Priority to EP04718931A priority patent/EP1606567B1/en
Priority to DE502004011397T priority patent/DE502004011397D1/en
Publication of WO2004081474A1 publication Critical patent/WO2004081474A1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004Personal or domestic articles
    • F21V33/0044Household appliances, e.g. washing machines or vacuum cleaners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D27/00Lighting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30Lighting for domestic or personal use
    • F21W2131/305Lighting for domestic or personal use for refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/08Refrigerator tables

Definitions

  • the present invention relates to a refrigerator, such as a refrigerator or a freezer, with a body and a door attached to the body, which delimit a heat-insulated interior.
  • a refrigerator such as a refrigerator or a freezer
  • Such refrigeration devices are usually provided with interior lighting which is switched on automatically when the door is opened.
  • interior lighting comprises a single luminous element which is attached to a lateral inner wall of the body.
  • Such interior lighting illuminates objects in their immediate surroundings very brightly and also emits heat to these objects in an undesirable manner. Objects that are at a greater distance from the lamp, possibly on other shelves in the interior than the one on which the lamp is attached, are poorly illuminated. In addition, with such interior lighting, it is difficult to illuminate objects in the front area of the interior satisfactorily without dazzling a user who looks into the open interior from the front.
  • a refrigeration device according to the preamble of claim 1 has become known, in which a plurality of luminous elements are attached to the inside of the body. These luminous elements, which can be attached, inter alia, on opposite sides of the interior or can extend over the greater part of its height, enable homogeneous illumination of the interior.
  • the assembly of the refrigeration device is extremely complex since a large number of openings in the inner wall of the body are required in order to mount the lighting fixtures and to make electrical contact.
  • waste heat from the lamps used is inevitably given off to the interior of this refrigeration device.
  • the object of the present invention is to provide a refrigeration device which enables uniform lighting of the interior without risk of glare for the user with simple means.
  • the object is achieved by a refrigeration device with the features of claim 1.
  • the at least one luminous element for illuminating the inner space By attaching the at least one luminous element for illuminating the inner space to an inner side of the door facing the inner space, the distance between the luminous element and objects illuminated by it can be made larger, so that uniformly bright illumination can be achieved, and shadowing by objects placed close to the illuminant is excluded.
  • the lamp lies outside the main viewing angle of a user who looks inside the opened refrigerator, so that there is hardly any direct glare.
  • the luminous element radiate predominantly into an angular region, the apex of which forms the luminous element itself and which, on the one hand, through a perpendicular on the inside of the door and, on the other hand, through a section running from the luminous element to the hinged side of the door is limited from the inside.
  • Such a luminous element is preferably arranged centrally in relation to the width direction of the door. So it is always suitably placed, regardless of which side the door is hinged on.
  • the light fixture is placed off-center, it is advisable to provide the door with two mounting locations on either side of the center line, to which the light fixture can be mounted, so that it can always be placed appropriately, depending on which side the door is hinged on can.
  • the luminous element is preferably mounted on that of the two assembly stations which is located on the side of the center line facing the hinged side of the door.
  • the risk of shadowing by the user himself is less than if the luminous element were mounted on the side of the door away from the stop.
  • the luminous element on the door can optionally be mounted in two orientations rotated relative to one another by 180 ° about an axis perpendicular to the door. This is particularly expedient if the luminous element is not to radiate preferably in the direction of said axis, but rather in the angular range between the axis and the section of the inside extending from the luminous element to the hinged side of the door.
  • the rotation enables the beam direction to be adapted to the selected stop side of the door without changes to the configuration of the luminous element itself being necessary.
  • the filament is mounted in the middle of the door, its mounting location should be designed to allow the filament to be fastened in both orientations; With two off-center assembly locations, it may be sufficient if each only allows assembly in one orientation.
  • an adjustable beam-shaping element is preferably attached to the luminous element.
  • This element can in particular be a reflector or an aperture.
  • a refractive element can also be used.
  • the interior of the refrigerator is divided into a plurality of compartments, in order to achieve uniform illumination, there should be at least one luminous element at the level of each compartment. This requirement can be met by several light fixtures, which are attached to the door at different heights; a single luminous element is preferred, which extends over the height of several compartments.
  • Figure 1 is a perspective view of a refrigerator according to the invention with the door open.
  • FIG. 2-5 partial sections through a refrigerator door with different variants of lighting elements according to the invention
  • Fig. 6 is a perspective view analogous to FIG. 1 of another unfolding of a refrigerator according to the invention.
  • Fig. 1 shows a perspective view of a refrigerator 10 as an example of a refrigerator according to the invention.
  • a door 12 is hinged to a body 11 of the refrigerator 10.
  • Body 11 and door 12 delimit an interior space 13 which is divided into a plurality of compartments 17 by shelves 16.
  • the door 12 has an outer wall 14 made of sheet metal and an inner wall 15 deep-drawn from plastic material, which are connected to one another at the edges and delimit a cavity filled with insulating foam.
  • the inner wall 15 has a substantially flat inside 18 which is framed by a circumferential rib 19 which projects slightly into the interior 13 when the door is closed.
  • a luminous element 20, of which only an outer screen can be seen in the figure, extends centrally on the inside 18 over its entire height.
  • FIG. 2 A first example of a possible internal structure of the luminous element 20 is shown in FIG. 2.
  • the inside 18 has a cylindrical segment-shaped recess 21, in which an illuminant 22, here a fluorescent tube, is held.
  • the fluorescent tube is in each case connected at its longitudinal ends by support arms 23 to the inner wall 15, through which an electrical supply line 24 for the luminous element 20 also extends.
  • an electrical supply line 24 for the luminous element 20 also extends.
  • the supply line 24 for the luminous element 20 also extends.
  • one wire of the supply line can be guided from one support arm 23 to the other within the recess 21, so that both wires run through a single opening in the inner wall 15 on one of the support arms 23.
  • a single fluorescent tube it would of course also be possible to use a plurality of illuminants distributed over the height of the luminous element 20.
  • a rod-shaped support can be provided, on which these several light sources, for example halogen bulbs or light-emitting diodes, are mounted, and which has a pair of connection terminals for connection to the supply line, to which these several light sources are connected in parallel or in series ,
  • the recess 21 is covered by a semi-cylindrical screen 26, preferably made of a transparent or translucent plastic.
  • a strip-shaped diaphragm 27 Arranged on the outside of the screen 26 is a strip-shaped diaphragm 27 which extends over its entire height and which can be displaced along the surface of the screen 26 between two positions opposite one another in mirror image.
  • the diaphragm 27 concentrates the radiation on an angular range between the line 30 standing vertically on the door at the level of the illuminant 22 and the part of the inside of the door 18 to the right of this Door makes sense to avoid glare to a user standing to the left of the door. If the door is to be hinged on the left, it is sufficient to adjust the light emission to move the diaphragm 27 to the opposite side of the screen 26 into the position shown as a dashed outline.
  • the lamp 20 shown in section in FIG. 3 differs from that of FIG. 2 in that there is no diaphragm 27 and that the screen 26 is constructed as a sequence of prism-shaped segments.
  • the segments are arranged such that they deflect a light beam emanating from the illuminant 22 in a clockwise direction, as shown by way of example in the figure on a light beam 28. This is also effective in order to prevent or at least reduce the glare of a user standing on the left of the door assumed to be hinged on the right.
  • this luminous element 20 In order to adapt the radiation of this luminous element 20 to a change of stop of the door, it is sufficient to dismantle the screen 26 and to re-mount it rotated by 180 °, so that the rays are deflected counterclockwise.
  • the light distribution is essentially determined by a reflector 29 mounted between the illuminant 22 and the inner wall 15 in the recess 21.
  • the reflector which may have a parabolic or elliptical cross section, for example, is arranged asymmetrically in order to achieve a light emission predominantly in the region between the line 30 perpendicular to the door and the part of the inside 18 on the stop side.
  • the reflector 20 is anchored to the screen 26, so that the entire filament 20, consisting of the screen 26, the illuminant 22 and the reflector 29, is separated as a unit from the door and rotated by 180 ° around the line 30 can be reassembled to change the preferred direction of radiation if the door is to be hinged on the left.
  • the illuminant 22 and a reflector 31 are surrounded by a cylindrical screen 26 all around.
  • the complete luminous body 20 with shade, reflector and illuminant is rotatably held at its longitudinal ends on the inside 18 of the door and, depending on which side the door 12 is attached to, can be rotated by hand in order to adapt the direction of radiation.
  • FIG. 6 Another embodiment of the refrigerator according to the invention is shown in FIG. 6 as a perspective view.
  • the luminous element 20 is shown separately from the door 12 here.
  • the assembly sites 32, 33 can e.g. be defined as a recess adapted to the shape of the luminous body 20, in which the latter can be latched or otherwise fastened, by other fastening means or by a recorded or glued-on marking.
  • electrical contact means here in the form of a pair of sockets, are provided for the power supply of the luminous element 20.
  • the sockets 34 are located at the two assembly locations 32, 33 at different heights, so that the luminous element can be mounted at the two assembly locations in each case rotated through 180 ° about the surface normal of the door.
  • the luminous element 20 is constructed in such a way that it radiates preferably obliquely to the surface normal 30.
  • the luminous body 20 should always be installed at the assembly site 32 or 33 that is closer to the struck edge of the door 12, in the case shown here at the assembly site 32. The illuminant described with reference to FIGS.
  • the luminous body 20 is constructed in such a way that it radiates at an angle to the surface normal 30, specifically in such a way that, when it is installed at the assembly site 32, it preferably radiates into the interior 13 when the door 12 is open.
  • the luminous element 20 must also be moved to the assembly site 33. By doing required due to the placement of the bushings 24 rotation of the luminous body 20 ensures that it radiates in this position is open, 'door into the interior space 13 without a user to blind.
  • a single luminous element which extends over the entire height of the door 12 or at least a large part thereof, it is of course also possible to provide a plurality of luminous elements distributed over the height of the door in an analogous manner to that described above.

Abstract

The invention relates to a refrigerator having a body (11) and a door (12) fastened to the body (11), said door enclosing a heat-insulated inner space (13). At least one luminous element (20) for lighting the inner space (13) is fixed to the inner side (18) of the door (12) facing the inner space.

Description

Kältegerät mit Innenbeleuchtung Refrigerator with interior lighting
Die vorliegende Erfindung betrifft ein Kältegerät wie etwa einen Kühlschrank oder einen Gefrierschrank, mit einem Korpus und einer an den Korpus angeschlagenen Tür, die einen wärmeisolierten Innenraum begrenzen. Üblicherweise sind derartige Kältegeräte mit einer Innenraumbeleuchtung versehen, die automatisch eingeschaltet wird, wenn die Tür geöffnet wird. Herkömmlicherweise umfasst eine solche Innenraumbeleuchtung einen einzelnen Leuchtkörper, der an einer seitlichen Innenwand des Korpus angebracht ist.The present invention relates to a refrigerator, such as a refrigerator or a freezer, with a body and a door attached to the body, which delimit a heat-insulated interior. Such refrigeration devices are usually provided with interior lighting which is switched on automatically when the door is opened. Conventionally, such interior lighting comprises a single luminous element which is attached to a lateral inner wall of the body.
Eine solche Innenraumbeleuchtung beleuchtet Gegenstände in ihrer unmittelbaren Umgebung sehr grell und gibt in unerwünschter Weise auch Wärme an diese Gegenstände ab. Gegenstände, die sich in größerer Entfernung vom Leuchtkörper befinden, eventuell auf anderen Fachböden des Innenraums als demjenigen, auf dem der Leuchtkörper angebracht ist, werden demgegenüber nur schlecht beleuchtet. Außerdem ist es mit einer solchen Innenraumbeleuchtung schwierig, Gegenstände im vorderen Bereich des Innenraums befriedigend zu beleuchten, ohne dabei einen Benutzer, der von vorne in den geöffneten Innenraum schaut, zu blenden.Such interior lighting illuminates objects in their immediate surroundings very brightly and also emits heat to these objects in an undesirable manner. Objects that are at a greater distance from the lamp, possibly on other shelves in the interior than the one on which the lamp is attached, are poorly illuminated. In addition, with such interior lighting, it is difficult to illuminate objects in the front area of the interior satisfactorily without dazzling a user who looks into the open interior from the front.
Aus EP 0 971 186 A2 ist ein Kältegerät nach dem Oberbegriff des Anspruchs 1 bekannt geworden, bei dem an den Innenseiten des Korpus mehrere Leuchtkörper angebracht sind. Diese Leuchtkörper, die unter anderem auf entgegengesetzten Seiten des Innenraums angebracht sein können oder sich über den größeren Teil von dessen Höhe erstrecken können, ermöglichen eine homogene Ausleuchtung des Innenraums. Die Montage des Kältegeräts gestaltet sich jedoch extrem aufwendig, da eine Vielzahl von Durchbrüchen in der Innenwand des Korpus erforderlich ist, um die Beleuchtungskörper zu montieren und elektrisch zu kontaktieren. Außerdem wird auch bei diesem Kältegerät Abwärme der verwendeten Leuchtmittel zwangsläufig an den Innenraum abgegeben.From EP 0 971 186 A2 a refrigeration device according to the preamble of claim 1 has become known, in which a plurality of luminous elements are attached to the inside of the body. These luminous elements, which can be attached, inter alia, on opposite sides of the interior or can extend over the greater part of its height, enable homogeneous illumination of the interior. However, the assembly of the refrigeration device is extremely complex since a large number of openings in the inner wall of the body are required in order to mount the lighting fixtures and to make electrical contact. In addition, waste heat from the lamps used is inevitably given off to the interior of this refrigeration device.
Aufgabe der vorliegenden Erfindung ist, ein Kältegerät zu schaffen, das eine gleichmäßige Beleuchtung des Innenraums ohne Blendgefahr für den Benutzer mit einfachen Mitteln ermöglicht. Die Aufgabe wird gelöst durch ein Kältegerät mit den Merkmalen des Anspruchs 1. Indem der wenigstens eine Leuchtkörper zur Beleuchtung des Innenraums an einer dem Innenraum zugewandten Innenseite der Tür angebracht ist, kann der Abstand zwischen dem Leuchtkörper und von ihm beleuchteten Gegenständen größer gemacht werden, so dass eine gleichmäßig helle Ausleuchtung erreicht werden kann, und eine Abschattung durch nahe an dem Leuchtkörper platzierte Gegenstände ist ausgeschlossen. Außerdem liegt der Leuchtkörper außerhalb des Hauptblickwinkels eines Benutzers, der ins Innere des geöffneten Kältegeräts schaut, so dass eine direkte Blendgefahr kaum besteht.The object of the present invention is to provide a refrigeration device which enables uniform lighting of the interior without risk of glare for the user with simple means. The object is achieved by a refrigeration device with the features of claim 1. By attaching the at least one luminous element for illuminating the inner space to an inner side of the door facing the inner space, the distance between the luminous element and objects illuminated by it can be made larger, so that uniformly bright illumination can be achieved, and shadowing by objects placed close to the illuminant is excluded. In addition, the lamp lies outside the main viewing angle of a user who looks inside the opened refrigerator, so that there is hardly any direct glare.
Um die Möglichkeit einer Blendung vollends auszuschließen, ist bevorzugt, dass der Leuchtkörper überwiegend in einen Winkelbereich abstrahlt, dessen Scheitel der Leuchtkörper selbst bildet und der einerseits durch eine Senkrechte auf der Innenseite der Tür und andererseits durch einen vom Leuchtkörper zur angeschlagenen Seite der Tür verlaufenden Abschnitt von deren Innenseite begrenzt ist. Das heißt, wenn die Tür geöffnet ist und rechtwinklig vom Korpus absteht, so ist die Abstrahlung des Leuchtkörpers im wesentlichen in den Innenraum hinein gerichtet; eine Abstrahlung in Richtung eines vor dem geöffneten Kältegerät stehenden Benutzers, die diesen blenden könnte, findet nicht statt.In order to completely rule out the possibility of glare, it is preferred that the luminous element radiate predominantly into an angular region, the apex of which forms the luminous element itself and which, on the one hand, through a perpendicular on the inside of the door and, on the other hand, through a section running from the luminous element to the hinged side of the door is limited from the inside. This means that when the door is open and protrudes from the body at right angles, the radiation from the luminous element is essentially directed into the interior; there is no radiation in the direction of a user standing in front of the opened refrigerator, which could blind him.
Ein solcher Leuchtkörper ist vorzugsweise mittig bezogen auf die Breitenrichtung der Tür angeordnet. So ist er unabhängig davon, an welcher Seite die Tür angeschlagen ist, stets geeignet platziert.Such a luminous element is preferably arranged centrally in relation to the width direction of the door. So it is always suitably placed, regardless of which side the door is hinged on.
Wenn der Leuchtkörper außermittig platziert ist, so ist es zweckmäßig, die Tür mit zwei Montageplätzen beiderseits der Mittellinie zu versehen, an denen der Leuchtkörper wahlweise montierbar ist, so dass er, je nachdem, an welcher Seite die Tür angeschlagen ist, stets geeignet platziert werden kann.If the light fixture is placed off-center, it is advisable to provide the door with two mounting locations on either side of the center line, to which the light fixture can be mounted, so that it can always be placed appropriately, depending on which side the door is hinged on can.
Vorzugsweise ist in diesem Fall der Leuchtkörper an demjenigen der zwei Montageplätze montiert, der sich auf der der angeschlagenen Seite der Tür zugewandten Seite der Mittellinie befindet. So ist die Gefahr einer Abschattung durch den Benutzer selbst geringer, als wenn der Leuchtkörper an der anschlagfernen Seite der Tür montiert wäre. Einer bevorzugten Ausgestaltung zufolge ist der Leuchtkörper an der Tür wahlweise in zwei gegeneinander um 180° um eine zur Tür senkrechte Achse gedrehten Orientierungen montierbar. Dies ist insbesondere zweckmäßig, wenn der Leuchtkörper nicht bevorzugt in Richtung besagter Achse, sondern in den Winkelbereich zwischen der Achse und dem vom Leuchtkörper zur angeschlagenen Seite der Tür verlaufenden Abschnitt der Innenseite strahlen soll. Hier ermöglicht die Drehung eine Anpassung der Strahlrichtung an die jeweils gewählte Anschlagseite der Tür, ohne dass Änderungen an der Konfiguration des Leuchtkörpers selbst erforderlich sind. Wenn der Leuchtkörper mittig an der Tür montiert ist, so sollte dessen Montageplatz ausgelegt sein, um eine Befestigung des Leuchtkörpers in beiden Orientierungen zu ermöglichen; bei zwei außermittigen Montageplätzen kann es genügen, wenn jeder nur die Montage in einer Orientierung erlaubt.In this case, the luminous element is preferably mounted on that of the two assembly stations which is located on the side of the center line facing the hinged side of the door. The risk of shadowing by the user himself is less than if the luminous element were mounted on the side of the door away from the stop. According to a preferred embodiment, the luminous element on the door can optionally be mounted in two orientations rotated relative to one another by 180 ° about an axis perpendicular to the door. This is particularly expedient if the luminous element is not to radiate preferably in the direction of said axis, but rather in the angular range between the axis and the section of the inside extending from the luminous element to the hinged side of the door. Here, the rotation enables the beam direction to be adapted to the selected stop side of the door without changes to the configuration of the luminous element itself being necessary. If the filament is mounted in the middle of the door, its mounting location should be designed to allow the filament to be fastened in both orientations; With two off-center assembly locations, it may be sufficient if each only allows assembly in one orientation.
Um eine blendfreie Ausrichtung der Lichtabstrahlung zu gewährleisten, ist vorzugsweise an dem Leuchtkörper ein verstellbares strahlformendes Element angebracht. Bei diesem Element kann es sich insbesondere um einen Reflektor oder um eine Blende handeln. Auch ein lichtbrechendes Element kommt in Betracht.In order to ensure a glare-free alignment of the light radiation, an adjustable beam-shaping element is preferably attached to the luminous element. This element can in particular be a reflector or an aperture. A refractive element can also be used.
Wenn der Innenraum des Kältegeräts in eine Mehrzahl von Fächern unterteilt ist, sollte sich, um eine gleichmäßige Ausleuchlung zu erreichen, in Höhe jedes Fachs wenigstens ein Leuchtkörper befinden. Diese Anforderung kann erfüllt werden durch mehrere Leuchtkörper, die jeweils in unterschiedlichen Höhen an der Tür angebracht sind; bevorzugt ist ein einzelner Leuchtkörper, der sich über die Höhe mehrerer Fächer erstreckt.If the interior of the refrigerator is divided into a plurality of compartments, in order to achieve uniform illumination, there should be at least one luminous element at the level of each compartment. This requirement can be met by several light fixtures, which are attached to the door at different heights; a single luminous element is preferred, which extends over the height of several compartments.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Figuren. Es zeigen:Further features and advantages of the invention result from the following description of exemplary embodiments with reference to the attached figures. Show it:
Fig. 1 eine perspektivische Ansicht eines erfindungsgemäßen Kältegeräts mit geöffneter Tür;Figure 1 is a perspective view of a refrigerator according to the invention with the door open.
Fig. 2-5 jeweils Teilschnitte durch eine Kältegerätetür mit unterschiedlichen Varianten von Leuchtkörpern gemäß der Erfindung; und Fig. 6 eine perspektivische Ansicht analog der Fig. 1 einer weiteren Ausgesfaltung eines erfindungsgemäßen Kältegeräts.Fig. 2-5 partial sections through a refrigerator door with different variants of lighting elements according to the invention; and Fig. 6 is a perspective view analogous to FIG. 1 of another unfolding of a refrigerator according to the invention.
Fig. 1 zeigt in perspektivischer Ansicht einen Kühlschrank 10 als Beispiel für ein erfindungsgemäßes Kältegerät. An einen Korpus 11 des Kühlschranks 10 ist eine Tür 12 schwenkbar angeschlagen. Korpus 11 und Tür 12 begrenzen einen Innenraum 13, der durch Fachböden 16 in eine Mehrzahl von Fächern 17 unterteilt ist. Die Tür 12 hat eine Außenwand 14 aus Blech und eine aus Kunststoffmaterial tiefgezogene Innenwand 15, die an den Rändern miteinander verbunden sind und einen mit isolierendem Schaumstoff ausgefüllten Hohlraum begrenzen. Die Innenwand 15 hat eine im wesentlichen ebene Innenseite 18, die von einer umlaufenden Rippe 19 eingerahmt ist, welche bei geschlossener Tür leicht in den Innenraum 13 vorsteht. Ein Leuchtkörper 20, von dem in der Figur nur ein äußerer Schirm zu erkennen ist, erstreckt sich mittig auf der Innenseite 18 über deren gesamte Höhe.Fig. 1 shows a perspective view of a refrigerator 10 as an example of a refrigerator according to the invention. A door 12 is hinged to a body 11 of the refrigerator 10. Body 11 and door 12 delimit an interior space 13 which is divided into a plurality of compartments 17 by shelves 16. The door 12 has an outer wall 14 made of sheet metal and an inner wall 15 deep-drawn from plastic material, which are connected to one another at the edges and delimit a cavity filled with insulating foam. The inner wall 15 has a substantially flat inside 18 which is framed by a circumferential rib 19 which projects slightly into the interior 13 when the door is closed. A luminous element 20, of which only an outer screen can be seen in the figure, extends centrally on the inside 18 over its entire height.
Ein erstes Beispiel für einen möglichen inneren Aufbau des Leuchtkörpers 20 ist in Fig. 2 gezeigt. Die Innenseite 18 weist eine zylindersegmentförmige Vertiefung 21 auf, in der ein Leuchtmittel 22, hier eine Leuchtröhre, gehalten ist. Die Leuchtröhre ist jeweils an ihren Längsenden durch Tragarme 23 mit der Innenwand 15 verbunden, durch die auch eine elektrische Versorgungsleitung 24 für den Leuchtkörper 20 verläuft. Von den erforderlichen zwei Adern der Versorgungsleitung 24 kann jeweils eine in Höhe jedes Tragarms 23 in den Hohlraum 25 der Tür 12 und von dort über das Türscharnier in den Korpus 11 geführt sein. Alternativ kann auch eine Ader der Versorgungsleitung innerhalb der Vertiefung 21 von einem Tragarm 23 zum anderen geführt sein, so dass beide Adern durch einen einzigen Durchbruch der Innenwand 15 an einem der Tragarme 23 verlaufen.A first example of a possible internal structure of the luminous element 20 is shown in FIG. 2. The inside 18 has a cylindrical segment-shaped recess 21, in which an illuminant 22, here a fluorescent tube, is held. The fluorescent tube is in each case connected at its longitudinal ends by support arms 23 to the inner wall 15, through which an electrical supply line 24 for the luminous element 20 also extends. Of the required two cores of the supply line 24, one can be guided into the cavity 25 of the door 12 at each support arm 23 and from there via the door hinge into the body 11. Alternatively, one wire of the supply line can be guided from one support arm 23 to the other within the recess 21, so that both wires run through a single opening in the inner wall 15 on one of the support arms 23.
Anstelle einer einzigen Leuchtröhre könnten selbstverständlich auch mehrere über die Höhe des Leuchtkörpers 20 verteilte Leuchtmittel verwendet werden. Insbesondere kann anstelle der Röhre ein stabförmiger Träger vorgesehen werden, an dem diese mehrere Leuchtmittel, z.B. Halogenbirnen oder Leuchtdioden, montiert sind, und der über ein Paar von Anschlussklemmen zum Anschließen an die Versorgungsleitung verfügt, mit denen diese mehreren Leuchtmittel parallel oder in Reihe verbunden sind. Die Vertiefung 21 ist von einem halbzylinderförmigen Schirm 26, vorzugsweise aus einem durchsichtigen oder durchscheinenden Kunststoff, überdeckt. An der Außenseite des Schirms 26 ist eine sich über dessen gesamte Höhe erstreckende leistenförmige Blende 27 angeordnet, die entlang der Oberfläche des Schirms 26 zwischen zwei einander spiegelbildlich gegenüberliegenden Stellungen verschiebbar ist. In der als durchgezogener Umriss dargestellten Stelle der Blende 27 konzentriert die Blende 27 die Abstrahlung auf einen Winkelbereich zwischen der auf der Tür in Höhe des Leuchtmittels 22 senkrecht stehenden Linie 30 und dem rechts davon liegenden Teil der Türinnenseite 18. Diese Stellung ist für eine rechtsseitig angeschlagene Tür sinnvoll, um eine Blendung eines links von der Tür stehenden Benutzers zu vermeiden. Wenn die Tür linksseitig angeschlagen sein soll, genügt es zum Anpassen der Lichtabstrahlung, die Blende 27 auf die gegenüberliegende Seite des Schirms 26 in die als gestrichelter Umriss dargestellte Stellung zu verschieben.Instead of a single fluorescent tube, it would of course also be possible to use a plurality of illuminants distributed over the height of the luminous element 20. In particular, instead of the tube, a rod-shaped support can be provided, on which these several light sources, for example halogen bulbs or light-emitting diodes, are mounted, and which has a pair of connection terminals for connection to the supply line, to which these several light sources are connected in parallel or in series , The recess 21 is covered by a semi-cylindrical screen 26, preferably made of a transparent or translucent plastic. Arranged on the outside of the screen 26 is a strip-shaped diaphragm 27 which extends over its entire height and which can be displaced along the surface of the screen 26 between two positions opposite one another in mirror image. In the position of the diaphragm 27 shown as a solid outline, the diaphragm 27 concentrates the radiation on an angular range between the line 30 standing vertically on the door at the level of the illuminant 22 and the part of the inside of the door 18 to the right of this Door makes sense to avoid glare to a user standing to the left of the door. If the door is to be hinged on the left, it is sufficient to adjust the light emission to move the diaphragm 27 to the opposite side of the screen 26 into the position shown as a dashed outline.
Der in Fig. 3 im Schnitt dargestellte Leuchtkörper 20 unterscheidet sich von dem der Fig. 2 dadurch, dass keine Blende 27 vorhanden ist, und dass der Schirm 26 als eine Abfolge von prismenförmigen Segmenten aufgebaut ist. Die Segmente sind so angeordnet, dass sie einen von dem Leuchtmittel 22 ausgehenden Lichtstrahl im Uhrzeigersinn ablenken, wie in der Figur an einem Lichtstrahl 28 exemplarisch gezeigt. Auch dies ist wirksam, um die Blendung eines links von der als rechtsseitig angeschlagen angenommenen Tür stehenden Benutzers zu verhindern oder zumindest zu verringern.The lamp 20 shown in section in FIG. 3 differs from that of FIG. 2 in that there is no diaphragm 27 and that the screen 26 is constructed as a sequence of prism-shaped segments. The segments are arranged such that they deflect a light beam emanating from the illuminant 22 in a clockwise direction, as shown by way of example in the figure on a light beam 28. This is also effective in order to prevent or at least reduce the glare of a user standing on the left of the door assumed to be hinged on the right.
Um die Abstrahlung dieses Leuchtkörpers 20 an einen Anschlagwechsel der Tür anzupassen, genügt es, den Schirm 26 abzumontieren und um 180° gedreht erneut zu montieren, so dass eine Ablenkung der Strahlen im Gegenuhrzeigersinn resultiert.In order to adapt the radiation of this luminous element 20 to a change of stop of the door, it is sufficient to dismantle the screen 26 and to re-mount it rotated by 180 °, so that the rays are deflected counterclockwise.
Bei der Ausgestaltung der Fig. 4 ist die Lichtverteilung im wesentlichen durch einen zwischen dem Leuchtmittel 22 und der Innenwand 15 in der Vertiefung 21 angebrachten Reflektor 29 bestimmt. Der Reflektor, der z.B. einen parabel- oder ellipsenförmigen Querschnitt haben kann, ist asymmetrisch angeordnet, um eine Lichtabstrahlung überwiegend in den Bereich zwischen der zur Tür senkrechten Linie 30 und dem anschlagseitigen Teil der Innenseite 18 zu erreichen. Der Reflektor 20 ist am Schirm 26 verankert, so dass der gesamte Leuchtkörper 20, bestehend aus Schirm 26, Leuchtmittel 22 und Reflektor 29, als Einheit von der Tür getrennt und um 180° um die Linie 30 gedreht wieder montiert werden kann, um die bevorzugte Abstrahlrichtung zu ändern, wenn die Tür linksseitig angeschlagen werden soll.4, the light distribution is essentially determined by a reflector 29 mounted between the illuminant 22 and the inner wall 15 in the recess 21. The reflector, which may have a parabolic or elliptical cross section, for example, is arranged asymmetrically in order to achieve a light emission predominantly in the region between the line 30 perpendicular to the door and the part of the inside 18 on the stop side. The reflector 20 is anchored to the screen 26, so that the entire filament 20, consisting of the screen 26, the illuminant 22 and the reflector 29, is separated as a unit from the door and rotated by 180 ° around the line 30 can be reassembled to change the preferred direction of radiation if the door is to be hinged on the left.
Bei der Ausgestaltung der Fig. 5 sind das Leuchtmittel 22 und ein Reflektor 31 von einem zylindrischen Schirm 26 rings umschlossen. Der vollständige Leuchtkörper 20 mit Schirm, Reflektor und Leuchtmittel ist an seinen Längsenden drehbar an der Innenseite 18 der Tür gehalten und kann, je nachdem, an welcher Seite die Tür 12 angeschlagen ist, von Hand gedreht werden, um die Abstrahlrichtung anzupassen.5, the illuminant 22 and a reflector 31 are surrounded by a cylindrical screen 26 all around. The complete luminous body 20 with shade, reflector and illuminant is rotatably held at its longitudinal ends on the inside 18 of the door and, depending on which side the door 12 is attached to, can be rotated by hand in order to adapt the direction of radiation.
Eine weitere Ausgestaltung des erfindungsgemäßen Kühlschranks ist in Fig. 6 als perspektivische Ansicht dargestellt. Der Leuchtkörper 20 ist hier getrennt von der Tür 12 abgebildet. An der Innenseite 18 der Tür 12 gibt es zwei Montageplätze 32, 33, die vorbereitet sind, um den Leuchtkörper 20 aufzunehmen. Die Montageplätze 32, 33 können z.B. als eine an die Gestalt des Leuchtkörpers 20 angepasste Vertiefung, in der dieser verrastbar oder anderweitig befestigbar ist, durch andere Befestigungsmittel oder durch eine aufgezeichnete oder aufgeklebte Markierung definiert seih. An jedem Montageplatz 32, 33 sind elektrische Kontaktmittel, hier in Form eines Buchsenpaars, für die Stromversorgung des Leuchtkörpers 20 vorgesehen. Die Buchsen 34 befinden sich an den zwei Montageplätzen 32, 33 in unterschiedlichen Höhen, so dass der Leuchtkörper an den zwei Montageplätzen jeweils in um 180° um die Oberflächennormale der Tür gedreht montierbar ist. Auch bei dieser Ausgestaltung ist der Leuchtkörper 20 so konstruiert, dass er bevorzugt schräg zu der Oberflächennormalen 30 abstrahlt. Der Leuchtkörper 20 sollte stets an demjenigen Montageplatz 32 oder 33 montiert werden, der näher an der angeschlagenen Kante der Tür 12 liegt, im hier dargestellten Fall also am Montageplatz 32. Wie die mit Bezug auf die Fig. 2 bis 5 beschriebenen Leuchtkörper ist auch hier der Leuchtkörper 20 so konstruiert, dass er schräg zur Oberflächennormalen 30 abstrahlt, und zwar so, dass er, wenn er am Montageplatz 32 montiert ist, bei geöffneter Tür 12 bevorzugt in den Innenraum 13 hineinstrahlt.Another embodiment of the refrigerator according to the invention is shown in FIG. 6 as a perspective view. The luminous element 20 is shown separately from the door 12 here. There are two assembly locations 32, 33 on the inside 18 of the door 12, which are prepared to accommodate the luminous element 20. The assembly sites 32, 33 can e.g. be defined as a recess adapted to the shape of the luminous body 20, in which the latter can be latched or otherwise fastened, by other fastening means or by a recorded or glued-on marking. At each assembly location 32, 33, electrical contact means, here in the form of a pair of sockets, are provided for the power supply of the luminous element 20. The sockets 34 are located at the two assembly locations 32, 33 at different heights, so that the luminous element can be mounted at the two assembly locations in each case rotated through 180 ° about the surface normal of the door. In this embodiment too, the luminous element 20 is constructed in such a way that it radiates preferably obliquely to the surface normal 30. The luminous body 20 should always be installed at the assembly site 32 or 33 that is closer to the struck edge of the door 12, in the case shown here at the assembly site 32. The illuminant described with reference to FIGS. 2 to 5 is also here the luminous body 20 is constructed in such a way that it radiates at an angle to the surface normal 30, specifically in such a way that, when it is installed at the assembly site 32, it preferably radiates into the interior 13 when the door 12 is open.
Wenn der Anschlag der Tür 12 auf die linke Seite des Korpus 11 verlegt werden soll, so ist auch der Leuchtkörper 20 auf den Montageplatz 33 zu versetzen. Durch die dabei aufgrund der Platzierung der Buchsen 24 erforderliche Drehung des Leuchtkörpers 20 ist gewährleistet, dass er auch in dieser Stellung bei geöffneter'Tür in den Innenraum 13 strahlt, ohne einen Benutzer zu blenden. Anstelle eines einzelnen Leuchtkörpers, der sich über die gesamte Höhe der Tür 12 oder zumindest einen großen Teil davon erstreckt, können selbstverständlich auch mehrere, über die Höhe der Tür verteilte Leuchtkörper in analoger Weise wie oben beschrieben vorgesehen werden. If the stop of the door 12 is to be moved to the left side of the body 11, the luminous element 20 must also be moved to the assembly site 33. By doing required due to the placement of the bushings 24 rotation of the luminous body 20 ensures that it radiates in this position is open, 'door into the interior space 13 without a user to blind. Instead of a single luminous element which extends over the entire height of the door 12 or at least a large part thereof, it is of course also possible to provide a plurality of luminous elements distributed over the height of the door in an analogous manner to that described above.

Claims

Patentansprüche claims
1. Kältegerät mit einem Korpus (11) und einer an den Korpus (11) angeschlagenen Tür (12), die einen wärmeisolierten Innenraum (13) umschließen, dadurch gekennzeichnet, dass wenigstens ein Leuchtkörper (20) zur Beleuchtung des Innenraums (13) an einer dem Innenraum zugewandten Innenseite (18) der Tür (12) angebracht ist.1. Refrigerating appliance with a body (11) and a door (12) hinged to the body (11), which enclose a thermally insulated interior (13), characterized in that at least one luminous element (20) for illuminating the interior (13) an inside (18) of the door (12) facing the interior is attached.
2. Kältegerät nach Anspruch 1 , dadurch gekennzeichnet, dass der Leuchtkörper überwiegend in einen Winkelbereich abstrahlt, dessen Scheitel der Leuchtkörper (20) bildet und der einerseits durch eine Senkrechte (30) auf der Innenseite (18) und andererseits durch einen vom Leuchtkörper (20) zur angeschlagenen Seite der Tür (12) verlaufenden Abschnitt der Innenseite (18) begrenzt ist.2. Refrigerating appliance according to claim 1, characterized in that the luminous element radiates predominantly into an angular range, the apex of which forms the luminous element (20) and which is on the one hand by a vertical (30) on the inside (18) and on the other hand by one of the luminous element (20 ) to the hinged side of the door (12) extending section of the inside (18) is limited.
3. Kältegerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Leuchtkörper (20) mittig bezogen auf die Breitenrichtung der Tür (12) angeordnet ist.3. Refrigerating appliance according to claim 1 or 2, characterized in that the luminous element (20) is arranged centrally in relation to the width direction of the door (12).
4. Kältegerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Tür (12) zwei Montageplätze (32, 33) beiderseits einer Mittellinie aufweist, an denen der Leuchtkörper (20) wahlweise montierbar ist.4. Refrigerating appliance according to claim 1 or 2, characterized in that the door (12) has two assembly locations (32, 33) on both sides of a center line, on which the luminous element (20) can be optionally mounted.
5. Kältegerät nach Anspruch 4, dadurch gekennzeichnet, dass der Leuchtkörper (20) an demjenigen (32) der zwei Montageplätze (32, 39) montiert ist, der sich auf der der angeschlagenen Seite der Tür (12) zugewandten Seite der Mittellinie befindet.5. Refrigerating appliance according to claim 4, characterized in that the luminous element (20) is mounted on that (32) of the two assembly locations (32, 39) which is located on the side of the center line facing the struck side of the door (12).
6. Kältegerät nach Anspruch 3, 4 oder 5, dadurch gekennzeichnet, dass der Leuchtkörper (20) an der Tür (12) wahlweise in zwei gegeneinander um 180° um eine zur Tür senkrechte Achse (30) gedrehten Orientierungen montierbar ist. 6. Refrigerating appliance according to claim 3, 4 or 5, characterized in that the luminous element (20) on the door (12) can optionally be mounted in two orientations rotated relative to one another by 180 ° about an axis (30) perpendicular to the door.
7. Kältegerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass an dem Leuchtkörper (20) ein verstellbares strahlformendes Element (27, 26, 29) angebracht ist.7. Refrigerating appliance according to claim 1 or 2, characterized in that an adjustable beam-shaping element (27, 26, 29) is attached to the luminous element (20).
8. Kältegerät nach Anspruch 7, dadurch gekennzeichnet, dass das strahlformende Element ein Reflektor (29) oder eine Blende (27) ist.8. Refrigerating appliance according to claim 7, characterized in that the beam-shaping element is a reflector (29) or an aperture (27).
9. Kältegerät nach Anspruch 7, dadurch gekennzeichnet, dass das strahlformende Element ein lichtbrechendes Element (26) ist.9. Refrigerating appliance according to claim 7, characterized in that the beam-shaping element is a light-refracting element (26).
10. Kältegerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Innenraum (13) in eine Mehrzahl von Fächern (17) unterteilt ist und dass an der Tür (12) sich in Höhe jedes Fachs (17) wenigstens ein Leuchtkörper (20) befindet.10. Refrigerating appliance according to one of the preceding claims, characterized in that the interior (13) is divided into a plurality of compartments (17) and that at the door (12) at the level of each compartment (17) at least one luminous element (20) located.
1 1. Kältegerät nach Anspruch 10, dadurch gekennzeichnet, dass ein Leuchtkörper (20) sich über die Höhe mehrerer Fächer (17) erstreckt. 1 1. Refrigerating appliance according to claim 10, characterized in that a luminous element (20) extends over the height of several compartments (17).
PCT/EP2004/002467 2003-03-10 2004-03-10 Refrigerator with interior lighting WO2004081474A1 (en)

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Application Number Priority Date Filing Date Title
AT04718931T ATE474196T1 (en) 2003-03-10 2004-03-10 REFRIGERATOR WITH INTERIOR LIGHTING
US10/545,469 US20060138916A1 (en) 2003-03-10 2004-03-10 Refrigerator with interior lighting
EP04718931A EP1606567B1 (en) 2003-03-10 2004-03-10 Refrigerator with interior lighting
DE502004011397T DE502004011397D1 (en) 2003-03-10 2004-03-10 REFRIGERATOR WITH INTERIOR LIGHTING

Applications Claiming Priority (2)

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DE10310330.9 2003-03-10
DE10310330A DE10310330A1 (en) 2003-03-10 2003-03-10 Refrigerator or freezer with internal lighting has at least one light body for illuminating interior volume of refrigerator or freezer attached to inside of door facing interior volume.

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EP (1) EP1606567B1 (en)
CN (1) CN100476330C (en)
AT (1) ATE474196T1 (en)
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ES (1) ES2347246T3 (en)
PL (1) PL377532A1 (en)
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PL377532A1 (en) 2006-02-06
RU2005127679A (en) 2006-02-20
ATE474196T1 (en) 2010-07-15
EP1606567A1 (en) 2005-12-21
RU2343372C2 (en) 2009-01-10
ES2347246T3 (en) 2010-10-27
DE10310330A1 (en) 2004-09-23
CN100476330C (en) 2009-04-08
US20060138916A1 (en) 2006-06-29
EP1606567B1 (en) 2010-07-14
DE502004011397D1 (en) 2010-08-26

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