EP1702189A1 - Cooling device, and chilled goods support therefor - Google Patents

Cooling device, and chilled goods support therefor

Info

Publication number
EP1702189A1
EP1702189A1 EP04804713A EP04804713A EP1702189A1 EP 1702189 A1 EP1702189 A1 EP 1702189A1 EP 04804713 A EP04804713 A EP 04804713A EP 04804713 A EP04804713 A EP 04804713A EP 1702189 A1 EP1702189 A1 EP 1702189A1
Authority
EP
European Patent Office
Prior art keywords
refrigerated goods
goods carrier
liquid crystal
display
temperature display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04804713A
Other languages
German (de)
French (fr)
Other versions
EP1702189B1 (en
Inventor
Christoph Becke
Hans-Kersten Hrubesch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1702189A1 publication Critical patent/EP1702189A1/en
Application granted granted Critical
Publication of EP1702189B1 publication Critical patent/EP1702189B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • 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
    • 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
    • F25D2325/00—Charging, supporting or discharging the articles to be cooled, not provided for in other groups of this subclass
    • F25D2325/022—Shelves made of glass or ceramic
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/123—Sensors measuring the inside temperature more than one sensor measuring the inside temperature in a compartment
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to a refrigerator and in particular a refrigerated goods carrier for such a refrigerator.
  • the temperature distribution in the interior of a refrigerator is not homogeneous, which makes it possible, in particular in refrigerators with a line temperature above freezing point, to use differently tempered areas of the interior for different types of items to be refrigerated, which place different demands on the storage temperature.
  • a targeted use of the temperature differences in the interior for this purpose presupposes that a user knows at least qualitatively the temperatures prevailing in the various compartments of the interior.
  • an interior design for a refrigerator has been proposed in DE 10205 589 AI, in which a plurality of liquid crystal temperature displays are distributed over the various compartments of the interior of a refrigerator in order to enable a user to determine the suitability of each compartment for storing different ones Make optimal use of groups of refrigerated goods.
  • These temperature displays can be placed in a compartment at different locations, it depending on a favorable choice of location whether the temperature detected by the display is representative of the compartment of the room where it is installed. From the standpoint of representative temperature detection, it would be desirable per se to display a temperature in a compartment centrally between the heat sink, usually the rear wall of the interior carrying the evaporator, and the main heat source, i.e. the door seal. To do this, however, one would have to attach the temperature display to a side wall of the inner container, and such a display would be difficult for a user to read. From the point of view of legibility, it is preferable to attach it to the front edge of a refrigerated goods rack facing the door of the refrigerator.
  • Such a display is, however, exposed to strong interferences from warm air, which penetrates into the interior when a user opens the door, so that the temperature detected and displayed by such a display may not even after a short opening time of the door for the stationary state of the cooling device is more representative.
  • the object of the present invention is to provide a refrigerated goods carrier or a refrigerator with such a refrigerated goods carrier, which achieve the advantages of the known interior design described above with simpler and cheaper means.
  • the object is achieved by a refrigerated goods carrier with the features of claim 1 or a refrigeration device with the features of claim 9.
  • a load-bearing element of the refrigerated goods carrier - which due to its function generally has a mass that cannot be neglected and thus has heat capacity - is used as a heat buffer for the liquid crystal temperature display, a separate heat buffer for the temperature display is superfluous, so that Space and costs can be saved.
  • the heat buffer is preferably formed by a frame molded onto a plate of the refrigerated goods carrier.
  • the temperature display can be arranged directly on a side facing the door of the refrigeration device in the assembled state of the refrigerated goods carrier, so that it can be easily read by a user who has opened the door.
  • liquid crystal temperature display In the interest of good legibility, it is also preferred to attach the liquid crystal temperature display to an outside of the frame which is oriented obliquely to the plate - in the assembled state pointing obliquely upwards.
  • a part of the frame carrying the liquid crystal temperature display is formed by an extruder profile, which can be made of plastic or metal.
  • the liquid crystal temperature display can also be arranged on a frame molded in one piece around the plate of the refrigerated goods carrier.
  • the liquid crystal temperature display is preferably divided into a plurality of discrete elements, each of which has different color change temperatures.
  • a display zone of the liquid crystal temperature display can be provided, in which a transition zone between a low-temperature color and a high-temperature color can be moved continuously depending on the temperature, so that a user can estimate the temperature from the location of the transition zone.
  • a scale can be formed on the supporting element adjacent to the display zone.
  • FIG. 1 is a perspective view of a refrigeration device according to the invention with the door open;
  • FIG. 2 shows a top view of a first embodiment of a refrigerated goods carrier according to the invention
  • FIG. 3 shows a partial top view of a second embodiment of a refrigerated goods carrier
  • FIG. 4 shows a partial top view of a third embodiment of a refrigerated goods carrier
  • FIG. 5 shows a section along the line V-V from FIG. 4;
  • FIG. 6 shows a partial top view of a fourth embodiment of a refrigerated goods carrier.
  • FIG. 7 shows a section through the refrigerated goods carrier of FIG. 6 along the line VII-VII.
  • FIG. 1 shows a perspective view of a refrigeration device according to the invention with the door 7 open.
  • the refrigeration device shown is a fridge-freezer combination with a cooling compartment 1 at the top and a freezer compartment 2 at the bottom.
  • the invention is described below only with regard to the refrigerator compartment 1.
  • the cooling compartment 1 is divided into a plurality of sub-compartments or regions 5, 5 'by refrigerated goods carriers 4 suspended from the side walls 3 of the housing.
  • the two regions 5 'located at the bottom are each delimited by a pull-out box 18, the regions 5 above are open to the door 7. They are cooled by an evaporator which is not visible in the figure and which is arranged behind the rear wall 6 of the cooling compartment 1 at the level of the region 5.
  • In each of these regions 5 there is a non-wasting temperature gradient from a coldest point on the rear wall 6 to a warmest point near the door 1. Since the cold air in the cooling compartment 1 tends to sink, the lower lying regions 5 are generally colder than the higher, ie the global temperature difference between the warmest and the coldest point of the entire cooling compartment 1 is greater than the temperature differences existing in the individual regions 5.
  • a group of comparatively warm regions 5 ′′ is formed by box-shaped door racks 8 mounted on the inside of the door 7 as refrigerated goods carriers.
  • Each region 5 is assigned a liquid crystal temperature display 9, which is arranged in each case on the front edge of a frame of the shelf 4 that closes the region 5 in question at the bottom.
  • the temperature display 9 is thus closely adjacent to the region below, but the temperature to which it is exposed is representative of the region lying above the shelf 4, since when the door is closed, cold air from the region in question travels past the front edge of the shelf flows down.
  • 2 shows a plan view of a shelf 4 as the first exemplary embodiment of a refrigerated goods carrier according to the invention.
  • the shelf is essentially constructed from a plate 10 made of safety glass, around the circumference of which a frame 11 made of plastic is molded in one piece.
  • a web 12 and a pin 13 each protrude from the side flanks of the frame 11 in a manner known per se, which serve to support the shelf in grooves on the side walls 3 of the cooling compartment.
  • a front edge 14 of the frame 11 facing the door is bevelled like a desk, a liquid crystal temperature display 9 being attached to the inclined surface 15 of the front edge 14.
  • the display 9 is divided by webs 16 into a plurality of fields 17, each of which, enclosed between foils, has a liquid crystal composition with a different color transition temperature. Temperature-sensitive liquid crystal compositions usually appear green at their crack temperature, including reddish and blue above.
  • a user can see the temperature of a region at a glance based on the position of the green field 17 in the arrangement of the display 9 or on the number of reddish or blue fields and the suitability of a region for the storage of a certain type of refrigerated goods such as vegetables , Quickly recognize dairy products or meat products.
  • the temperature display 9 has a continuous display zone, the liquid crystal composition of which varies from left to right, so that depending on the temperature to which the display is exposed, a boundary 19 between the blue and reddish areas continuously shifts with the temperature across the display zone.
  • the display zone is not divided into individual fields, a user cannot readily deduce the temperature or the suitability of a region 5 for a specific type of refrigerated goods from the number of fields in a specific color; instead, the frame 11 is provided with a series of reference marks 20 in addition to the temperature display 9, so that a user can infer the suitability of the region in question for a particular refrigeration device from the position of the border 19 with respect to reference marks 20.
  • the temperature display 9 can also be provided with a temperature scale, for example in the form of numbered windows 21 in an opaque cover layer, through which the liquid crystal material can be seen and which allow a user to read the temperature of the region 5 in question quantitatively.
  • 5 shows schematically a section through the front edge 14 of the frame 11 and the glass plate 10 bordered by it along the line VV from FIG. 4, it being understood that a corresponding section in the embodiments of FIGS. 2 and 3 could have the same shape.
  • the front edge 14 molded onto the glass plate 10 encloses it in a material-fitting manner.
  • the temperature display 9 is embedded in a recess 22 on the obliquely upward surface 15 of the front edge 14. It is attached to the inside of a rigid pane 23, for example made of transparent plastic, which is encapsulated in the material along its edges by extrusion coating with the material of the frame 11 and thus holds the display 9 securely and protected.
  • Figs. 6 and 7 show a fourth embodiment of a shelf 4 in a partial top view or in section along the line VIII-VTf from FIG. 6.
  • the shelf has a glass plate 10, which, however, is not in the present case is extrusion-coated with a frame, but an extruded profile as a frame element is plugged onto each of the front and rear edges (not shown).
  • the profile forming the front edge 14 has on its rear side facing the glass plate 10 a groove 24 into which the glass plate 10 can be inserted, an elastic rubber or foam strip 25 which is fastened to a lower leg 26 delimiting the groove 24 of the front edge 14 is elastically compressed so that it presses the top of the glass plate 10 flat against the opposite upper leg 27.
  • the large-area contact allows good heat transfer between the glass plate 10 and the front edge 14, so that the glass plate 10 can also serve as a heat buffer for the liquid crystal temperature display 9, which is glued onto the inclined surface 15 of the front edge 14.
  • the temperature display 9 is the same as in the third exemplary embodiment, since it is comparatively complex in the case of an extruded profile to form features such as the webs 12 or the reference marks 20 which facilitate reading the display 9.

Abstract

A chilled goods support for a cooling device comprising a liquid crystal temperature display unit. A supporting element of said chilled goods support is used as a thermal buffer to which the liquid crystal temperature display unit is fixed in a planar manner.

Description

Beschreibung Kältegerät und Kühlgutträger dafür Description of refrigeration device and refrigerated goods rack therefor
[001] Die vorliegende Erfindung betrifft ein Kältegerät und insbesondere einen Kühlgutträger für ein solches Kältegerät.The present invention relates to a refrigerator and in particular a refrigerated goods carrier for such a refrigerator.
[002] Die Temperatoverteilung im Innenraum eines Kältegeräts ist nicht homogen, was es insbesondere bei Kühlgeräten, mit einer Linentemperatur oberhalb des Gefrierpunkts, erlaubt, unterschiedlich temperierte Bereiche des Innenraums für verschiedene Arten von Kühlgut zu nutzen, die unterschiedliche Ansprüche an die Lagertemperatur stellen. Eine gezielte Nutzung der Temperaturunterschiede ini Innenraum für diesen Zweck setzt allerdings voraus, dass ein Benutzer die in den verschiedenen Fächern des Innenraums herrschenden Temperaturen zumindest qualitativ kennt. Zu diesem Zweck ist in DE 10205 589 AI eine Innenraumgestaltung für ein Kältegerät vorgeschlagen worden, bei der eine Mehrzahl von Flüssigkristalltemperaturanzeigen auf die verschiedenen Fächer des I nenraums eines Kühlgeräts verteilt sind, um es einem Benutzer zu ermöglichen, die Eignung jedes einzelnen Fachs zur Lagerung unterschiedlicher Gruppen von Kühlgütern optimal auszunutzen.The temperature distribution in the interior of a refrigerator is not homogeneous, which makes it possible, in particular in refrigerators with a line temperature above freezing point, to use differently tempered areas of the interior for different types of items to be refrigerated, which place different demands on the storage temperature. However, a targeted use of the temperature differences in the interior for this purpose presupposes that a user knows at least qualitatively the temperatures prevailing in the various compartments of the interior. For this purpose, an interior design for a refrigerator has been proposed in DE 10205 589 AI, in which a plurality of liquid crystal temperature displays are distributed over the various compartments of the interior of a refrigerator in order to enable a user to determine the suitability of each compartment for storing different ones Make optimal use of groups of refrigerated goods.
[003] Diese Temperaturanzeigen können in einem Fach an verschiedenen Orten platziert sein, wobei es von einer günstigen Auswahl des Ortes abhängt, ob die von der Anzeige erfasste Temperalur für das Fach des Ihnenraums, wo sie angebracht ist, repräsentativ ist. Unter dem Gesichtspunkt einer repräsentativen Temperalurerfassung wäre es an sich wünschenswert, eine Temperaturanzeige in einem Fach zentral zwischen der Wärmesenke, meist der den Verdampfer tragenden Rückwand des Innenraums, und der Hauptwärmequelle, d.h. der Türdichtung, anzubringen. Dazu üsste man allerdings die Temperaturanzeige an einer Seitenwand des Innenbehälters anbringen, und eine solche Anzeige wäre für einen Benutzer schlecht ablesbar. Unter dem Gesichtspunkt der Ablesbarkeit ist eine Anbringung an der Vorderkante eines Kühlgutträgers, der Tür des Kältegeräts zugewandt, vorzuziehen. Eine solche Anzeige ist allerdings starken Störeinflüssen durch warme Luft ausgesetzt, die in den Innenraum eindringt, wenn ein Benutzer die Tür öffnet, so dass die von einer solchen Anzeige erfasste und angezeigte Temperalur eventuell bereits nach kurzer Öffnungszeit der Tür für den stationären Zustand des Kühlgeräts nicht mehr repräsentativ ist.These temperature displays can be placed in a compartment at different locations, it depending on a favorable choice of location whether the temperature detected by the display is representative of the compartment of the room where it is installed. From the standpoint of representative temperature detection, it would be desirable per se to display a temperature in a compartment centrally between the heat sink, usually the rear wall of the interior carrying the evaporator, and the main heat source, i.e. the door seal. To do this, however, one would have to attach the temperature display to a side wall of the inner container, and such a display would be difficult for a user to read. From the point of view of legibility, it is preferable to attach it to the front edge of a refrigerated goods rack facing the door of the refrigerator. Such a display is, however, exposed to strong interferences from warm air, which penetrates into the interior when a user opens the door, so that the temperature detected and displayed by such a display may not even after a short opening time of the door for the stationary state of the cooling device is more representative.
[004] Um dieses Problem zu vermeiden, wurde in DE 10205 585 AI vorgeschlagen, die wärmeempfindlichen Flüssigkristalle einer solchen Flüssigkristalltemperaluranzeige mit einem in einem Gehäuse der Anzeige untergebrachten Wärmepuffer in Kontakt zu halten, um so der Anzeige eine gewünschte Trägheit zu verleihen.To avoid this problem, it was proposed in DE 10205 585 AI to contact the heat-sensitive liquid crystals of such a liquid crystal temperature display with a heat buffer housed in a housing of the display hold to give the display a desired inertia.
[005] Aufgabe der vorliegenden Erfindung ist, einen Kühlgutträger bzw. ein Kältegerät mit einem solchen Kühlgutträger anzugeben, die die Vorteile der oben beschriebenen bekannten Innenraumgestallung mit einfacheren und preiswerteren Mitteln erreichen.The object of the present invention is to provide a refrigerated goods carrier or a refrigerator with such a refrigerated goods carrier, which achieve the advantages of the known interior design described above with simpler and cheaper means.
[006] Die Aufgabe wird gelöst durch einen Kühlgutträger mit den Merkmalen des Anspruchs 1 bzw. ein Kältegerät mit den Merkmalen des Anspruchs 9.The object is achieved by a refrigerated goods carrier with the features of claim 1 or a refrigeration device with the features of claim 9.
[007] Indem erfindungsgemäß ein tragendes Element des Kühlgutträgers - das durch seine Funktion bedingt im Allgemeinen über eine nicht zu vernachlässigende Masse und damit Wärmekapazität verfügt - als Wärmepuffer für die Flüssigkristalltempera- turanzeige genutzt wird, wird ein eigener Wärmepuffer der Temperat ranzeige überflüssig, so dass Platz und Kosten gespart werden können.[007] In that, according to the invention, a load-bearing element of the refrigerated goods carrier - which due to its function generally has a mass that cannot be neglected and thus has heat capacity - is used as a heat buffer for the liquid crystal temperature display, a separate heat buffer for the temperature display is superfluous, so that Space and costs can be saved.
[008] Vorzugsweise ist der Wärmepuffer durch einen an eine Platte des Kühlgutträgers angeformten Rahmen gebildet. An diesem Rahmen kann die Temperaturanzeige unmittelbar an einer im montierten Zustand des Kühlgutträgers der Tür des Kältegeräts zugewandten Seite angeordnet sein, so dass sie für einen Benutzer, der die Tür geöffnet hat, bequem ablesbar ist.[008] The heat buffer is preferably formed by a frame molded onto a plate of the refrigerated goods carrier. On this frame, the temperature display can be arranged directly on a side facing the door of the refrigeration device in the assembled state of the refrigerated goods carrier, so that it can be easily read by a user who has opened the door.
[009] Im Interesse einer guten Ablesbarkeit ist auch eine Anbringung der Flüssigkristall- temperaturanzeige an einer schräg zur Platte orientierten - im montierten Zustand schräg nach oben weisenden -Außenseite des Rahmens bevorzugt.[009] In the interest of good legibility, it is also preferred to attach the liquid crystal temperature display to an outside of the frame which is oriented obliquely to the plate - in the assembled state pointing obliquely upwards.
[010] Einer ersten Ausgestaltung zufolge ist ein die Flüssigkristalltemperaturanzeige tragender Teil des Rahmens durch ein Extruderprofil gebildet, das aus Kunststoff oder auch aus Metall gebildet sein kann.According to a first embodiment, a part of the frame carrying the liquid crystal temperature display is formed by an extruder profile, which can be made of plastic or metal.
[011] Die Flüssigkristalltemperaturanzeige kann auch an einem einteilig um die Platte des Kühlgutträgers angespritzten Rahmen angeordnet sein.[011] The liquid crystal temperature display can also be arranged on a frame molded in one piece around the plate of the refrigerated goods carrier.
[012] Um das Ablesen zu erleichtern, ist die Flüssigkristalltemperaturanzeige vorzugsweise in einer Mehrzahl von diskreten Elementen gegliedert, die jeweils unterschiedliche Farbwechseltemperaturen haben. Alternativ kann eine Anzeigezone der Flüssigkristalltemperaturanzeige vorgesehen werden, in der eine Übergangszone zwischen einer Niedrigtemperalurfarbe und einer Hochtemperaturfarbe temperaturabhängig kontinuierlich beweglich ist, so dass ein Benutzer die Temperatur aus dem Ort der Übergangszone abschätzen kann. Um die Abschätzung zu quantifizieren, kann an dem tragenden Element benachbart zu der Anzeigezone eine Skala ausgebildet sein.[012] In order to facilitate reading, the liquid crystal temperature display is preferably divided into a plurality of discrete elements, each of which has different color change temperatures. Alternatively, a display zone of the liquid crystal temperature display can be provided, in which a transition zone between a low-temperature color and a high-temperature color can be moved continuously depending on the temperature, so that a user can estimate the temperature from the location of the transition zone. In order to quantify the estimate, a scale can be formed on the supporting element adjacent to the display zone.
[013] Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausfuhrungsbeispielen mit Bezug auf die beigefügten Figuren. Es zeigen: [014] Fig. 1 eine perspektivische Ansicht eines erfindungsgemäßen Kältegeräts bei geöffneter Tür;Further features and advantages of the invention result from the following description of exemplary embodiments with reference to the attached figures. Show it: [014] FIG. 1 is a perspective view of a refrigeration device according to the invention with the door open;
[015] Fig. 2 eine Draufsicht auf eine erste Ausgestaltung eines Kühlgutträgers gemäß der Erfindung;[015] FIG. 2 shows a top view of a first embodiment of a refrigerated goods carrier according to the invention;
[016] Fig. 3 eine Teildraufsicht auf eine zweite Ausgestaltung eines Kühlgutträgers;[016] FIG. 3 shows a partial top view of a second embodiment of a refrigerated goods carrier;
[017] Fig. 4 eine Teildraufsicht auf eine dritte Ausgestaltung eines Kühlgutträgers;[017] FIG. 4 shows a partial top view of a third embodiment of a refrigerated goods carrier;
[018] Fig. 5 einen Schnitt entlang der Linie V-V aus Fig. 4;5 shows a section along the line V-V from FIG. 4;
[019] Fig. 6 eine Teildraufsicht auf eine vierte Ausgestaltung eines Kühlgutträgers; und[019] FIG. 6 shows a partial top view of a fourth embodiment of a refrigerated goods carrier; and
[020] Fig. 7 einen Schnitt durch den Kühlgutträger der Fig. 6 entlang der Linie VII- VII.7 shows a section through the refrigerated goods carrier of FIG. 6 along the line VII-VII.
[021] Fig. 1 zeigt eine perspektivische Ansicht eines erfindungsgemäßen Kältegeräts bei geöffneter Tür 7. Bei dem dargestellten Kältegerät handelt es sich um eine Kühl- Gefrierkombination mit oben liegendem Kühlfach 1 und unten liegendem Gefrierfach 2. Obwohl grundsätzlich auch auf das Gefrierfach 2 anwendbar, wird die Erfindung im Folgenden nur im Hinblick auf das Kühlfach 1 beschrieben.1 shows a perspective view of a refrigeration device according to the invention with the door 7 open. The refrigeration device shown is a fridge-freezer combination with a cooling compartment 1 at the top and a freezer compartment 2 at the bottom. Although in principle also applicable to the freezer compartment 2, the invention is described below only with regard to the refrigerator compartment 1.
[022] Das Kühlfach 1 ist durch an den Seitenwänden 3 des Gehäuses aufgehängte Kühlgutträger 4 in eine Mehrzahl von Teilfächern oder Regionen 5, 5' unterteilt. Die zwei zu unterst gelegenen Regionen 5' sind jeweils durch einen Auszugkasten 18 begrenzt, die darüber liegenden Regionen 5 sind zur Tür 7 hin offen. Sie sind durch eine in der Figur nicht sichtbaren, hinter der Rückwand 6 des Kühlfachs 1 in Höhe der Region 5 angeordneten Verdampfer gekühlt. In jeder dieser Regionen 5 existiert ein nichtver- schwendender Temperalurgradient von einer kältesten Stelle an der Rückwand 6 zu einer wärmsten Stelle in der Nähe der Tür 1. Da die kalte Luft im Kühlfach 1 dazu neigt, abzusinken, sind die tiefer liegenden Regionen 5 im Allgemeinen kälter als die höheren, d.h. die globale Temperaturdifferenz zwischen dem wärmsten und dem kältesten Punkt des gesamten Kühlfachs 1 ist größer als die jeweils in den einzelnen Regionen 5 bestehenden Temperaturdifferenzen.The cooling compartment 1 is divided into a plurality of sub-compartments or regions 5, 5 'by refrigerated goods carriers 4 suspended from the side walls 3 of the housing. The two regions 5 'located at the bottom are each delimited by a pull-out box 18, the regions 5 above are open to the door 7. They are cooled by an evaporator which is not visible in the figure and which is arranged behind the rear wall 6 of the cooling compartment 1 at the level of the region 5. In each of these regions 5 there is a non-wasting temperature gradient from a coldest point on the rear wall 6 to a warmest point near the door 1. Since the cold air in the cooling compartment 1 tends to sink, the lower lying regions 5 are generally colder than the higher, ie the global temperature difference between the warmest and the coldest point of the entire cooling compartment 1 is greater than the temperature differences existing in the individual regions 5.
[023] Eine Gruppe von vergleichsweise warmen Regionen 5" ist durch an der Innenseite der Tür 7 montierte kastenförmige Türabsteller 8 als Kühlgutträger gebildet.[023] A group of comparatively warm regions 5 ″ is formed by box-shaped door racks 8 mounted on the inside of the door 7 as refrigerated goods carriers.
[024] Jeder Region 5 ist jeweils eine Flüssigkristalltemperaluranzeige 9 zugeordnet, die jeweils an der Vorderkante eines Rahmens desjenigen Fachbodens 4 angeordnet ist, der die betreffende Region 5 nach unten hin abschließt. Die Temperaturanzeige 9 ist somit zwar zur darunter liegenden Region eng benachbart, die Temperatur, der sie ausgesetzt ist, ist jedoch repräsentativ für die über den Fachboden 4 liegende Region, da bei geschlossener Tür kalte Luft aus der betreffenden Region über die Vorderkante des Fachbodens hinweg nach unten fließt. [025] Fig. 2 zeigt eine Draufsicht auf einen Fachboden 4 als erstes Ausführungsbeispiel für einen Kühlgutträger gemäß der Erfindung. Der Fachboden ist im Wesentüchen aufgebaut aus einer Platte 10 aus Sicherheitsglas, um deren Umfang herum ein Rahmen 11 aus Kunststoff einteilig angespritzt ist. Von den seitlichen Flanken des Rahmens 11 stehen in an sich bekannter Weise jeweils ein Steg 12 und ein Zapfen 13 ab, die dazu dienen, den Fachboden in Nuten an den Seitenwänden 3 des Kühlfachs herausziehbar abzustützen. Eine der Tür zugewandte Vorderkante 14 des Rahmens 11 ist pultähnlich abgeschrägt, wobei an der schrägen Oberfläche 15 der Vorderkante 14 eine Flüssigkristalltemperaluranzeige 9 angebracht ist. Die Anzeige 9 ist bei dieser Ausgestaltung durch Stege 16 in eine Vielzahl von Feldern 17 unterteilt, die jeweils, zwischen Folien eingeschlossen, eine Flüssigkristallzusammensetzung mit einer anderen Farbsprungtemperatur aufweisen. Üblicherweise erscheinen temperaturempfindliche Flüssigkristallzusammensetzungen bei ihrer Sprungtemperalur grün, darunter rötlich und darüber blau. Ein Benutzer kann die Temperalur einer Region anhand der Lage des grünen Feldes 17 in der Anordnung der Anzeige 9 oder anhand der Zahl von rötlichen oder blauen Feldern mit einem Blick erfassen und daran die Eignung einer Region für die Aufbewahrung eines bestimmten Typs von Kühlgut wie etwa Gemüse, Milchprodukte oder Fleischwaren schnell erkennen.[024] Each region 5 is assigned a liquid crystal temperature display 9, which is arranged in each case on the front edge of a frame of the shelf 4 that closes the region 5 in question at the bottom. The temperature display 9 is thus closely adjacent to the region below, but the temperature to which it is exposed is representative of the region lying above the shelf 4, since when the door is closed, cold air from the region in question travels past the front edge of the shelf flows down. 2 shows a plan view of a shelf 4 as the first exemplary embodiment of a refrigerated goods carrier according to the invention. The shelf is essentially constructed from a plate 10 made of safety glass, around the circumference of which a frame 11 made of plastic is molded in one piece. A web 12 and a pin 13 each protrude from the side flanks of the frame 11 in a manner known per se, which serve to support the shelf in grooves on the side walls 3 of the cooling compartment. A front edge 14 of the frame 11 facing the door is bevelled like a desk, a liquid crystal temperature display 9 being attached to the inclined surface 15 of the front edge 14. In this embodiment, the display 9 is divided by webs 16 into a plurality of fields 17, each of which, enclosed between foils, has a liquid crystal composition with a different color transition temperature. Temperature-sensitive liquid crystal compositions usually appear green at their crack temperature, including reddish and blue above. A user can see the temperature of a region at a glance based on the position of the green field 17 in the arrangement of the display 9 or on the number of reddish or blue fields and the suitability of a region for the storage of a certain type of refrigerated goods such as vegetables , Quickly recognize dairy products or meat products.
[026] Fig. 4 zeigt eine Draufsicht auf eine zweite Ausgestaltung eines Fachbodens 4, bei der die Temperaturanzeige 9 eine kontinuierliche Anzeigezone aufweist, deren Flüssigkristallzusammensetzung von links nach rechts variiert, so dass sich in Abhängigkeit von der Temperalur, der die Anzeige ausgesetzt ist, eine Grenze 19 zwischen blauem und rötlichem Bereich kontinuierlich mit der Temperatur über die Anzeigezone hinweg verschiebt. Da bei dieser Ausgestaltung die Anzeigezone nicht in einzelne Felder unterteilt ist, kann ein Benutzer die Temperatur bzw. die Eignung einer Region 5 für einen bestimmten Typ von Kühlgut nicht ohne Weiteres aus der Zahl der Felder in einer bestimmten Farbe folgern; statt dessen ist der Rahmen 11 neben der Temperaturanzeige 9 mit einer Reihe von Referenzmarken 20 versehen, so dass ein Benutzer aus der Lage der Grenze 19 in Bezug auf Referenzmarken 20 auf die Eignung der betreffenden Region für ein bestimmtes Kältegerät schließen kann.4 shows a top view of a second embodiment of a shelf 4, in which the temperature display 9 has a continuous display zone, the liquid crystal composition of which varies from left to right, so that depending on the temperature to which the display is exposed, a boundary 19 between the blue and reddish areas continuously shifts with the temperature across the display zone. In this embodiment, since the display zone is not divided into individual fields, a user cannot readily deduce the temperature or the suitability of a region 5 for a specific type of refrigerated goods from the number of fields in a specific color; instead, the frame 11 is provided with a series of reference marks 20 in addition to the temperature display 9, so that a user can infer the suitability of the region in question for a particular refrigeration device from the position of the border 19 with respect to reference marks 20.
[027] Selbstverständlich kann die Temperaturanzeige 9 auch, wie in Fig. 4 gezeigt, mit einer Temperaturskala versehen sein, beispielsweise in Form von zifferförmigen Fenstern 21 in einer undurchsichtigen Deckschicht, durch die hindurch das Flüssigkristallmaterial sichtbar sind, und die es einem Benutzer erlauben, die Temperatur der betreffenden Region 5 quantitativ abzulesen. [028] Fig. 5 zeigt schematisch einen Schnitt durch die Vorderkante 14 des Rahmens 11 und die von diesem eingefasste Glasplatte 10 entlang der Linie V-V aus Fig. 4, wobei sich versteht, das ein entsprechender Schnitt bei den Ausgestaltungen der Figs. 2 und 3 die gleiche Form haben könnte. Die an die Glasplatte 10 angespritzte Vorderkante 14 umschließt diese materialschlüssig. Die Temperaturanzeige 9 ist in einer Vertiefung 22 an der schräg nach oben gerichteten Oberfläche 15 der Vorderkante 14 eingelassen. Sie ist an der Innenseite einer starren Scheibe 23, z.B. aus transparentem Kunststoff, angebracht, die durch Umspritzen mit dem Material des Rahmens 11 entlang ihrer Ränder in das Material eingefasst ist und so die Anzeige 9 sicher und geschützt hält.Of course, as shown in FIG. 4, the temperature display 9 can also be provided with a temperature scale, for example in the form of numbered windows 21 in an opaque cover layer, through which the liquid crystal material can be seen and which allow a user to read the temperature of the region 5 in question quantitatively. 5 shows schematically a section through the front edge 14 of the frame 11 and the glass plate 10 bordered by it along the line VV from FIG. 4, it being understood that a corresponding section in the embodiments of FIGS. 2 and 3 could have the same shape. The front edge 14 molded onto the glass plate 10 encloses it in a material-fitting manner. The temperature display 9 is embedded in a recess 22 on the obliquely upward surface 15 of the front edge 14. It is attached to the inside of a rigid pane 23, for example made of transparent plastic, which is encapsulated in the material along its edges by extrusion coating with the material of the frame 11 and thus holds the display 9 securely and protected.
[029] Die Figs. 6 und 7 zeigen eine vierte Ausgestaltung eines Fachbodens 4 in einer partiellen Draufsicht bzw. im Schnitt entlang der Linie VIII- VTf aus Fig. 6. Wie im Falle der Fig.2 weist der Fachboden eine Glasplatte 10 auf, die jedoch im vorliegenden Fall nicht mit einem Rahmen umspritzt ist, sondern an deren vordere und (nicht gezeigte) hintere Kante jeweils ein extrudiertes Profil als ein Rahmenelement aufgesteckt ist. Das die Vorderkante 14 bildende Profil hat an seiner der Glasplatte 10 zugewandten Rückseite eine Nut 24, in die die Glasplatte 10 einschiebbar ist, wobei ein elastischer Gummi- oder Schaumstoffstreifen 25, der an einem die Nut 24 begrenzenden unteren Schenkel 26 der Vorderkante 14 befestigt ist, elastisch zusammengedrückt ist, so dass er die Oberseite der Glasplatte 10 flächig gegen den gegenüberliegenden oberen Schenkel 27 drückt. Der großflächige Kontakt erlaubt einen guten Wärmeübergang zwischen der Glasplatte 10 und der Vorderkante 14, so dass auch die Glasplatte 10 noch als Wärmepuffer für die Flüssigkristalltemperaturanzeige 9 dienen kann, die auf die schräge Oberfläche 15 der Vorderkante 14 aufgeklebt ist.[029] Figs. 6 and 7 show a fourth embodiment of a shelf 4 in a partial top view or in section along the line VIII-VTf from FIG. 6. As in the case of FIG. 2, the shelf has a glass plate 10, which, however, is not in the present case is extrusion-coated with a frame, but an extruded profile as a frame element is plugged onto each of the front and rear edges (not shown). The profile forming the front edge 14 has on its rear side facing the glass plate 10 a groove 24 into which the glass plate 10 can be inserted, an elastic rubber or foam strip 25 which is fastened to a lower leg 26 delimiting the groove 24 of the front edge 14 is elastically compressed so that it presses the top of the glass plate 10 flat against the opposite upper leg 27. The large-area contact allows good heat transfer between the glass plate 10 and the front edge 14, so that the glass plate 10 can also serve as a heat buffer for the liquid crystal temperature display 9, which is glued onto the inclined surface 15 of the front edge 14.
[030] Die Temperaturanzeige 9 ist bei diesem vierten Ausführungsbeispiel dieselbe wie beim dritten Ausführungsbeispiel, da es bei einem extrudierten Profil vergleichsweise aufwändig ist, Merkmale wie die Stege 12 oder die Referenzmarken 20 auszubilden, die das Ablesen der Anzeige 9 erleichtern. In this fourth exemplary embodiment, the temperature display 9 is the same as in the third exemplary embodiment, since it is comparatively complex in the case of an extruded profile to form features such as the webs 12 or the reference marks 20 which facilitate reading the display 9.

Claims

AnsprücheExpectations
[001] Kühlgutträger (4) für ein Kältegerät mit einer Flüssigkristalltemperaturanzeige (9), dadurch gekennzeichnet, dass ein tragendes Element (11, 14) des Kühlgutträgers (4) als ein Wärmepuffer fungiert, an dem die Flüssigkristalltemperaturanzeige (9) flächig befestigt ist.Refrigerated goods carrier (4) for a refrigerator with a liquid crystal temperature display (9), characterized in that a supporting element (11, 14) of the refrigerated goods carrier (4) acts as a heat buffer to which the liquid crystal temperature display (9) is attached flat.
[002] Kühlgutträger nach Anspruch 1, dadurch gekennzeichnet, dass der Wärmepuffer durch einen an eine Platte (10) des Kühlgutträgers montierten Rahmen (11) gebildet ist.[002] Refrigerated goods carrier according to claim 1, characterized in that the heat buffer is formed by a frame (11) mounted on a plate (10) of the refrigerated goods carrier.
[003] Kühlgutträger nach Anspruch 2, dadurch gekennzeichnet, dass die Flüssigkristalltemperaturanzeige an einer schräg zur Platte (10) orientierten Außenseite (15) des Rahmens (11) angebracht ist.Refrigerated goods carrier according to claim 2, characterized in that the liquid crystal temperature display on an obliquely to the plate (10) oriented outside (15) of the frame (11) is attached.
[004] Kühlgutträger nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass ein die Flüssigkristalltemperaturanzeige tragender Teil (14) des Rahmens (11) ein Ex- truderprofil ist.[004] Refrigerated goods carrier according to claim 2 or 3, characterized in that a part (14) of the frame (11) carrying the liquid crystal temperature display is an extruder profile.
[005] Kühlgutträger nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Rahmen (11) einteilig an die Platte angespritzt ist.Refrigerated goods carrier according to claim 2 or 3, characterized in that the frame (11) is integrally molded onto the plate.
[006] Kühlgutträger nach einem der Ansprüche 1, 2, 3 und 5, dadurch gekennzeichnet, dass die Flüssigkristalltemperaturanzeige (9) mit dem tragenden Element (11) hinterspritzt ist.Refrigerated goods carrier according to one of claims 1, 2, 3 and 5, characterized in that the liquid crystal temperature display (9) with the supporting element (11) is back-injected.
[007] Kühlgutträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Flüssigkristalltemperaturanzeige (9) in eine Mehrzahl von diskreten Elementen (17) mit unterschiedlichen Farbwechseltemperaturen gegliedert ist.[007] Refrigerated goods carrier according to one of the preceding claims, characterized in that the liquid crystal temperature display (9) is divided into a plurality of discrete elements (17) with different color changing temperatures.
[008] Kühlgutträger nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Flüssigkristalltemperaturanzeige (9) eine Anzeigezone umfasst, in der eine Übergangszone (19) zwischen einer Niedrigtemperalurfarbe und einer Hochtem- peraturfarbe temperaturabhängig kontinuierlich beweglich ist.[008] Refrigerated goods carrier according to one of claims 1 to 6, characterized in that the liquid crystal temperature display (9) comprises a display zone in which a transition zone (19) between a low temperature color and a high temperature color is continuously movable depending on the temperature.
[009] Kühlgutträger nach Anspruch 8, dadurch gekennzeichnet, dass an dem tragenden Element Referenzmarken (20) benachbart zu der Anzeigezone ausgebildet ist.[009] Refrigerated goods carrier according to claim 8, characterized in that reference marks (20) are formed on the supporting element adjacent to the display zone.
[010] Kältegerät mit einem von einem wärmeisolierenden Gehäuse umschlossenen Innenraum, dadurch gekennzeichnet, dass in dem Innenraum wenigstens ein Kühlgutträger (4) nach einem der vorhergehenden Ansprüche angebracht ist. Refrigerator with an interior enclosed by a heat-insulating housing, characterized in that at least one refrigerated goods carrier (4) according to one of the preceding claims is mounted in the interior.
EP04804713A 2003-12-15 2004-12-07 Cooling device, and chilled goods support therefor Active EP1702189B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20319460U DE20319460U1 (en) 2003-12-15 2003-12-15 Refrigeration device and refrigerated goods rack therefor
PCT/EP2004/053319 WO2005057108A1 (en) 2003-12-15 2004-12-07 Cooling device, and chilled goods support therefor

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EP1702189A1 true EP1702189A1 (en) 2006-09-20
EP1702189B1 EP1702189B1 (en) 2011-02-23

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EP (1) EP1702189B1 (en)
CN (1) CN100412484C (en)
AT (1) ATE499576T1 (en)
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WO2005057108A1 (en) 2005-06-23
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EP1702189B1 (en) 2011-02-23
RU2006119147A (en) 2008-01-27
ATE499576T1 (en) 2011-03-15
ES2359314T3 (en) 2011-05-20
US20090033188A1 (en) 2009-02-05
RU2362952C2 (en) 2009-07-27
DE20319460U1 (en) 2004-02-26
DE502004012236D1 (en) 2011-04-07

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