EP0527500A1 - Energy saving isolation cover for refrigerated glass display cabinets - Google Patents
Energy saving isolation cover for refrigerated glass display cabinets Download PDFInfo
- Publication number
- EP0527500A1 EP0527500A1 EP92113842A EP92113842A EP0527500A1 EP 0527500 A1 EP0527500 A1 EP 0527500A1 EP 92113842 A EP92113842 A EP 92113842A EP 92113842 A EP92113842 A EP 92113842A EP 0527500 A1 EP0527500 A1 EP 0527500A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- energy
- insulation layer
- refrigerated
- saving insulation
- glass door
- 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
Links
- 239000011521 glass Substances 0.000 title claims abstract description 22
- 238000002955 isolation Methods 0.000 title 1
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 238000009833 condensation Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims 1
- 238000005485 electric heating Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 8
- 239000012080 ambient air Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
- A47F3/043—Doors, covers
Definitions
- the invention relates to refrigerated display cabinets, the refrigerated goods space of which is accessible via at least one glass door and in which the pane and / or the frame of the glass door and / or the glass door contact profile can be electrically heated to prevent condensation of water vapor on the inside and outside of the pane to avoid.
- refrigerated display cabinets are to be understood as refrigerated counters, refrigerated shelves, refrigerated display cases, refrigerators and similar furniture, in which goods that are stored at temperatures below the ambient temperature are offered.
- Glazed refrigerated display cabinets generally have electrical heating of the glass door system profiles and the glass doors, with both the pane and the door frame being heated. This ensures that the surface temperature of the glass doors and system profiles is above the dew point of the ambient air.
- glass door constructions in which only the frame and the system profiles, but not the pane, are heated, e.g. a 4-way insulation or pane. In this way, fogging of the windows due to condensation of the water vapor from the ambient air can be avoided. While opening the doors to remove goods from the refrigerated goods area, the cold inside of the windows of the doors may fog up due to the temperature falling below the dew point, but after the doors are closed, the electrical heating ensures that the condensate evaporates quickly.
- the object of the present invention is therefore to provide a refrigerated display cabinet of the type mentioned at the outset which has a device which makes it unnecessary to operate the electrical heating of the glass doors and system profiles during the closing times.
- the refrigerated display cabinet has an energy-saving insulation layer, which is positioned vertically between the cooled goods room and the glass door during the closing times of the shops.
- the energy-saving insulation layer reduces the heat emission, consisting of heat radiation, convection and conduction from the ambient air via the glass doors and system profiles into the cooled goods room. Since the reduced heat emission causes a surface temperature of the glass doors and system profiles that is above the dew point of the ambient air, it is no longer necessary to operate the electrical heating during the closing times. This results in a substantial saving in electrical energy, since both the electrical heating is switched off and the load on the refrigerator, which is responsible for the cooling of the goods room is necessary, can be reduced, since the additional heating effect of the cooled goods room that occurs when the electrical heating is operated is avoided.
- the energy-saving insulation layer is stored in a rolled-up state on a shaft fastened in the upper region of the cooled goods area.
- the positioning of the energy-saving insulation layer is, according to an expedient development of the subject matter of the invention, both by means of an electric motor that drives the shaft and by manual means, e.g. by attaching a crank or forming the energy-saving insulation layer as a snap roller blind.
- An alternative embodiment of the device according to the invention provides for the energy-saving insulation layer to be stored outside of the cooled goods area and to be positioned in the cooled goods area only if required by fastening to fastening points provided for this purpose.
- This solution does not require any moving parts, but requires storage for the energy-saving insulation layer that is not required during shop opening hours and means an additional expenditure of time for the operating personnel. The latter problem can be countered by storing the energy-saving insulation layer that is not required in a storage space in the base of the refrigerated sales unit.
- a cold-insulating plastic is used as the energy-saving insulation layer.
- plastic other materials are of course conceivable that meet the requirements for cold insulation and rollability.
- the plastic used need not be able to be rolled up.
- the energy-saving insulation layer is provided with a coating which serves as additional cold insulation.
- a coating which serves as additional cold insulation.
- Figure 1 shows a sectional view of a glazed refrigerator or freezer 1. Between the cooled goods room 2 and the glass door 3 and the glass door system profile 4, the energy-saving insulation layer 5 is shown in the rolled state of the shaft 6.
- the refrigerator or freezer combination shown in Figure 2 differs from Figure 1 only in that only the upper part, namely the cabinet structure, is provided with an energy-saving insulation layer 5.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Refrigerator Housings (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
Description
Die Erfindung betrifft ein Verkaufskühlmöbel, dessen gekühlter Warenraum über mindestens eine Glastüre zugänglich ist und bei dem die Scheibe und/oder der Rahmen der Glastüre und/oder das Glastüren-Anlageprofil elektrisch beheizt werden können, um eine Kondensation von Wasserdampf auf der Scheibeninnen- und Scheibenaußenseite zu vermeiden.The invention relates to refrigerated display cabinets, the refrigerated goods space of which is accessible via at least one glass door and in which the pane and / or the frame of the glass door and / or the glass door contact profile can be electrically heated to prevent condensation of water vapor on the inside and outside of the pane to avoid.
Unter der Bezeichnung Verkaufskühlmöbel sind Kühltheken, Kühlregale, Kühlvitrinen, Kühlschränke und ähnliche Möbel zu verstehen, in denen Waren, die bei Temperaturen unterhalb der Umgebungstemperatur gelagert sind, angeboten werden.The term refrigerated display cabinets are to be understood as refrigerated counters, refrigerated shelves, refrigerated display cases, refrigerators and similar furniture, in which goods that are stored at temperatures below the ambient temperature are offered.
Verglaste Verkaufskühlmöbel besitzen im allgemeinen eine elektrische Beheizung der Glastüren-Anlagenprofile und der Glastüren, wobei sowohl die Scheibe als auch der Türrahmen beheizt werden. Damit wird erreicht, daß die Oberflächentemperatur der Glastüren und -Anlageprofile oberhalb des Taupunktes der Umgebungsluft liegt. Es gibt jedoch auch Glastürenkonstruktionen, bei denen nur der Rahmen und die Anlageprofile, nicht aber die Scheibe beheizt werden, z.B. bei einer 4-fach-Isolierung bzw. -Scheibe. Auf diese Weise läßt sich ein Beschlagen der Scheiben auf Grund von Kondensation des Wasserdampfes aus der Umgebungsluft vermeiden. Während des Öffnens der Türen zum Entnehmen von Waren aus dem gekühlten Warenraum kommt es zwar aufgrund der Taupunktunterschreitung zu einem Beschlagen der kalten Scheibeninnenseiten der Türen, jedoch sorgt nach dem Schließen der Türen die elektrische Beheizung für ein rasches Verdunsten des Kondensats.Glazed refrigerated display cabinets generally have electrical heating of the glass door system profiles and the glass doors, with both the pane and the door frame being heated. This ensures that the surface temperature of the glass doors and system profiles is above the dew point of the ambient air. However, there are also glass door constructions in which only the frame and the system profiles, but not the pane, are heated, e.g. a 4-way insulation or pane. In this way, fogging of the windows due to condensation of the water vapor from the ambient air can be avoided. While opening the doors to remove goods from the refrigerated goods area, the cold inside of the windows of the doors may fog up due to the temperature falling below the dew point, but after the doors are closed, the electrical heating ensures that the condensate evaporates quickly.
Auch während der Ladenschlußzeiten kann die elektrische Beheizung meist nicht abgeschaltet werden, da es dann wiederum zu einer Taupunktunterschreitung auf der Scheibenaußenseite und einer damit verbundenen Kondensation von Wasserdampf kommt.Even during the closing times of the shop, the electrical heating can usually not be switched off, since this in turn leads to the temperature falling below the dew point on the outside of the window and the associated condensation of water vapor.
Aufgabe der vorliegenden Erfindung ist es also, ein Verkaufskühlmöbel der eingangs erwähnten Art anzugeben, das eine Vorrichtung besitzt, die ein Betreiben der elektrischen Beheizung der Glastüren und -Anlageprofile während der Ladenschlußzeiten unnötig werden läßt.The object of the present invention is therefore to provide a refrigerated display cabinet of the type mentioned at the outset which has a device which makes it unnecessary to operate the electrical heating of the glass doors and system profiles during the closing times.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Verkaufskühlmöbel eine Energiespar-Dämmschicht aufweist, die während der Ladenschlußzeiten vertikal zwischen dem gekühlten Warenraum und der Glastür positioniert wird.This object is achieved in that the refrigerated display cabinet has an energy-saving insulation layer, which is positioned vertically between the cooled goods room and the glass door during the closing times of the shops.
Die Energiespar-Dämmschicht reduziert die Wärmeabgabe, bestehend aus Wärmestrahlung, -konvektion und -leitung aus der Umgebungsluft über die Glastüren und -Anlageprofile in den gekühlten Warenraum. Da die verminderte Wärmeabgabe eine Oberflächentemperatur der Glastüren und -Anlageprofile bewirkt, die oberhalb des Taupunktes der Umgebungsluft liegt, ist ein Betreiben der elektrischen Beheizung während der Ladenschlußzeiten nicht mehr notwendig. Somit kommt es zu einer wesentlichen Einsparung an elektrischer Energie, da sowohl die elektrische Beheizung abgestellt, als auch die Belastung der Kältemaschine, die für die Kühlung des Warenraumes notwendig ist, verringert werden kann, da der beim Betreiben der elektrischen Beheizung auftretende zusätzliche Erwärmeffekt des gekühlten Warenraumes vermieden wird.The energy-saving insulation layer reduces the heat emission, consisting of heat radiation, convection and conduction from the ambient air via the glass doors and system profiles into the cooled goods room. Since the reduced heat emission causes a surface temperature of the glass doors and system profiles that is above the dew point of the ambient air, it is no longer necessary to operate the electrical heating during the closing times. This results in a substantial saving in electrical energy, since both the electrical heating is switched off and the load on the refrigerator, which is responsible for the cooling of the goods room is necessary, can be reduced, since the additional heating effect of the cooled goods room that occurs when the electrical heating is operated is avoided.
Es erweist sich als besonders vorteilhaft, wenn die Energiespar-Dämmschicht auf einer, im oberen Bereich des gekühlten Warenraumes befestigten Welle im aufgerollten Zustand gelagert wird. Die Positionierung der Energiespar-Dämmschicht ist, gemäß zweckmäßiger Weiterbildung des Erfindungsgegenstandes, sowohl mittels eines, die Welle antreibenden Elektromotors als auch auf manuellem Wege, z.B. durch Anbringen einer Kurbel oder Ausbilden der Energiespar-Dämmschicht als Schnapprollo, möglich.It proves to be particularly advantageous if the energy-saving insulation layer is stored in a rolled-up state on a shaft fastened in the upper region of the cooled goods area. The positioning of the energy-saving insulation layer is, according to an expedient development of the subject matter of the invention, both by means of an electric motor that drives the shaft and by manual means, e.g. by attaching a crank or forming the energy-saving insulation layer as a snap roller blind.
Eine dazu alternative Ausgestaltung der erfindungsgemäßen Vorrichtung sieht vor, die Energiespar-Dämmschicht außerhalb des gekühlten Warenraumes zu lagern und nur bei Bedarf durch Befestigen an dafür vorgesehenen Befestigungspunkten im gekühlten Warenraum zu positionieren. Diese Lösung kommt ohne bewegliche Teile aus, bedarf jedoch einer Lagermöglichkeit für die nicht benötigte Energiespar-Dämmschicht während der Ladenöffnungszeiten und bedeutet für das Bedienungspersonal einen zusätzlichen Zeitaufwand. Letzterem Problem kann dadurch begegnet werden, daß die nicht benötigte Energiespar-Dämmschicht in einem Stauraum im Möbelsockel des Verkaufskühlmöbels gelagert wird.An alternative embodiment of the device according to the invention provides for the energy-saving insulation layer to be stored outside of the cooled goods area and to be positioned in the cooled goods area only if required by fastening to fastening points provided for this purpose. This solution does not require any moving parts, but requires storage for the energy-saving insulation layer that is not required during shop opening hours and means an additional expenditure of time for the operating personnel. The latter problem can be countered by storing the energy-saving insulation layer that is not required in a storage space in the base of the refrigerated sales unit.
In einer vorteilhaften Ausführung des Erfindungsgegenstandes findet als Energiespar-Dämmschicht ein kälteisolierender Kunststoff Verwendung. Selbstverständlich sind neben Kunststoff noch weitere Materialien denkbar, die die gestellten Anforderungen an Kälteisolierung und Rollbarkeit erfüllen. Für den Fall, daß die Lagerung der Energiespar-Dämmschicht außerhalb des Kühlmöbels erfolgt, braucht der verwendete Kunststoff nicht aufrollbar zu sein.In an advantageous embodiment of the subject matter of the invention, a cold-insulating plastic is used as the energy-saving insulation layer. In addition to plastic, other materials are of course conceivable that meet the requirements for cold insulation and rollability. In the event that the energy-saving insulation layer is stored outside the refrigerator, the plastic used need not be able to be rolled up.
In einer weiteren Ausführung der Erfindung wird die Energiespar-Dämmschicht mit einer als zusätzlichen Kälteisolierung dienenden Beschichtung versehen. Hierfür eignet sich z.B. eine Aluminiumbeschichtung, aber auch andere, dem Fachmann bekannte, kälteisolierende Materialien.In a further embodiment of the invention, the energy-saving insulation layer is provided with a coating which serves as additional cold insulation. For this, e.g. an aluminum coating, but also other cold-insulating materials known to the person skilled in the art.
Die Erfindung sowie weitere Einzelheiten der Erfindung werden anhand zweier schematisch dargestellter Ausführungsbeispiele näher erläutert.The invention and further details of the invention are explained in more detail using two schematically illustrated exemplary embodiments.
Hierbei zeigen:
- Figur 1:
- Schnittbild eines verglasten Kühl- bzw. Tiefkühlschranks
- Figur 2:
- Schnittbild einer verglasten Kühl- bzw. Tiefkühlkombination.
- Figure 1 :
- Sectional view of a glazed refrigerator or freezer
- Figure 2 :
- Sectional view of a glazed fridge or freezer combination.
In den beiden Ausführungsbeispielen besitzen gleiche Teile gleiche Bezugsziffern.In the two exemplary embodiments, identical parts have the same reference numbers.
Figur 1 zeigt in einem Schnittbild einen verglasten Kühl- bzw. Tiefkühlschrank 1. Zwischem dem gekühlten Warenraum 2 sowie der Glastür 3 und dem Glastür-Anlageprofil 4 ist die Energiespar-Dämmschicht 5, im von der Welle 6 abgerollten Zustand dargestellt.Figure 1 shows a sectional view of a glazed refrigerator or
Die in Figur 2 dargestellte Kühl- bzw. Tiefkühlkombination unterscheidet sich von Figur 1 lediglich dadurch, daß hier nur der obere Teil, nämlich der Schrankaufbau, mit einer Energiespar-Dämmschicht 5 versehen ist.The refrigerator or freezer combination shown in Figure 2 differs from Figure 1 only in that only the upper part, namely the cabinet structure, is provided with an energy-saving
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4126958A DE4126958A1 (en) | 1991-08-14 | 1991-08-14 | ENERGY SAVING INSULATING LAYER FOR GLAZED SALES COOLING FURNITURE |
| DE4126958 | 1991-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0527500A1 true EP0527500A1 (en) | 1993-02-17 |
| EP0527500B1 EP0527500B1 (en) | 1996-04-17 |
Family
ID=6438335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92113842A Expired - Lifetime EP0527500B1 (en) | 1991-08-14 | 1992-08-13 | Energy saving isolation cover for refrigerated glass display cabinets |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0527500B1 (en) |
| AT (1) | ATE136750T1 (en) |
| DE (2) | DE4126958A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11116333B2 (en) | 2019-05-07 | 2021-09-14 | Carrier Corporation | Refrigerated display cabinet including microchannel heat exchangers |
| US11559147B2 (en) | 2019-05-07 | 2023-01-24 | Carrier Corporation | Refrigerated display cabinet utilizing a radial cross flow fan |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8712220U1 (en) * | 1987-09-09 | 1987-10-22 | Remis Gesellschaft für Entwicklung und Vertrieb von technischen Elementen mbH Köln, 5000 Köln | Refrigeration cabinet cover |
| DE10048490A1 (en) * | 2000-09-29 | 2002-04-11 | Linde Ag | Commercial furniture item with low-temperature cooling of stored goods, has common compressor for cooling of air required for cooling of stored goods |
| DE10118438A1 (en) * | 2001-04-12 | 2002-10-17 | Linde Ag | Freezer with removable front panel |
| DE102010047039B4 (en) * | 2010-09-30 | 2012-12-13 | Solarlux Aluminium Systeme Gmbh | Shelf and shelf glazing |
| CN111174516B (en) * | 2020-01-20 | 2021-05-28 | 海信容声(广东)冰箱有限公司 | Refrigerating box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2331673A1 (en) * | 1975-11-17 | 1977-06-10 | Anthony S Mfg Co | MULTI-GLASS WINDOW STRUCTURE |
| DE3122545A1 (en) * | 1981-06-05 | 1982-12-30 | Alois Ing.(grad.) 8000 München Mack | Refrigerator or freezer |
| EP0152859A2 (en) * | 1984-02-17 | 1985-08-28 | Linde Aktiengesellschaft | Refrigerated vending chest |
| DE8712220U1 (en) * | 1987-09-09 | 1987-10-22 | Remis Gesellschaft für Entwicklung und Vertrieb von technischen Elementen mbH Köln, 5000 Köln | Refrigeration cabinet cover |
| DE4127995A1 (en) * | 1990-10-03 | 1992-04-09 | Geta Ges Fuer Energietechnik U | Heat-damming cover for refrigerated shelves - has shaft for roller blind connected to drive motor for movement in both opening and closing directions |
-
1991
- 1991-08-14 DE DE4126958A patent/DE4126958A1/en not_active Withdrawn
-
1992
- 1992-08-13 AT AT92113842T patent/ATE136750T1/en not_active IP Right Cessation
- 1992-08-13 DE DE59206003T patent/DE59206003D1/en not_active Expired - Fee Related
- 1992-08-13 EP EP92113842A patent/EP0527500B1/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2331673A1 (en) * | 1975-11-17 | 1977-06-10 | Anthony S Mfg Co | MULTI-GLASS WINDOW STRUCTURE |
| DE3122545A1 (en) * | 1981-06-05 | 1982-12-30 | Alois Ing.(grad.) 8000 München Mack | Refrigerator or freezer |
| EP0152859A2 (en) * | 1984-02-17 | 1985-08-28 | Linde Aktiengesellschaft | Refrigerated vending chest |
| DE8712220U1 (en) * | 1987-09-09 | 1987-10-22 | Remis Gesellschaft für Entwicklung und Vertrieb von technischen Elementen mbH Köln, 5000 Köln | Refrigeration cabinet cover |
| DE4127995A1 (en) * | 1990-10-03 | 1992-04-09 | Geta Ges Fuer Energietechnik U | Heat-damming cover for refrigerated shelves - has shaft for roller blind connected to drive motor for movement in both opening and closing directions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11116333B2 (en) | 2019-05-07 | 2021-09-14 | Carrier Corporation | Refrigerated display cabinet including microchannel heat exchangers |
| US11559147B2 (en) | 2019-05-07 | 2023-01-24 | Carrier Corporation | Refrigerated display cabinet utilizing a radial cross flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4126958A1 (en) | 1993-02-18 |
| ATE136750T1 (en) | 1996-05-15 |
| DE59206003D1 (en) | 1996-05-23 |
| EP0527500B1 (en) | 1996-04-17 |
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