EP1029476A2 - Présentoir frigorifique - Google Patents

Présentoir frigorifique Download PDF

Info

Publication number
EP1029476A2
EP1029476A2 EP00100405A EP00100405A EP1029476A2 EP 1029476 A2 EP1029476 A2 EP 1029476A2 EP 00100405 A EP00100405 A EP 00100405A EP 00100405 A EP00100405 A EP 00100405A EP 1029476 A2 EP1029476 A2 EP 1029476A2
Authority
EP
European Patent Office
Prior art keywords
cover film
access opening
cover
layers
cooling shelf
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
EP00100405A
Other languages
German (de)
English (en)
Other versions
EP1029476A3 (fr
EP1029476B1 (fr
Inventor
Paul Isfort
Oliver Eischeid
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.)
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
Original Assignee
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
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 Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH filed Critical Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
Publication of EP1029476A2 publication Critical patent/EP1029476A2/fr
Publication of EP1029476A3 publication Critical patent/EP1029476A3/fr
Application granted granted Critical
Publication of EP1029476B1 publication Critical patent/EP1029476B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47F3/0439—Cases or cabinets of the open type
    • A47F3/0469—Details, e.g. night covers

Definitions

  • the invention relates to a refrigerated shelf with an access opening, which can be closed by a cover device is.
  • Cooling shelves are used for refrigerated storage and presentation of Goods in grocery stores.
  • the cooling shelves are in the Rule of a shelf with several shelves, which by closed at the bottom, top, side and rear by refrigerated shelves and has an access opening towards the front, through the goods lying on the shelves can be taken directly from customers.
  • the interior of the Cooling shelves are cooled, for example, by circulating air cooling. Because of the large access opening there are cold losses of the cooling shelf considerably. For this reason, the cooling shelf outside the access times, i.e. usually between Closure and opening of the grocery store by a Cover device closed. Because of the small space requirement have flexible cover films as a cover device enforced, which are designed as roller blind devices.
  • the Covering roller blind is pulled out during non-access times and in this way in front of or in the access opening stretched so that the cold losses by preventing the Air exchange between the cooling rack interior and the surrounding area considerably be reduced. Because of the low temperature of the clamped by the cooling air cooled cover film compared to the Ambient air forms on the outside of the cover film the ambient humidity condensate, which when rewound the cover film interferes and the durability of the cover film decreased. To prevent condensation, perforated Covering films used by the cooling air from the interior of the refrigerated shelves can pass through, so that the condensation of Prevents humidity on the outside of the cover film becomes. However, cooling air escapes the perforation has significant cold losses.
  • the object of the invention is for a refrigerated shelf with an access opening to create an improved covering device.
  • the cooling shelf according to the invention has a covering device for the access opening next to the first layer of flexible cover film additionally a second layer of flexible cover film, which in a certain distance from the first layer of cover film can be stretched in front of or in the access opening.
  • the Access is through a double layer of cover closable, with an insulating air cushion between the layers is formed.
  • the cold insulation of the two-layer covering device is opposite a single-layer covering device has been significantly improved, because the air cushion between the two layers is a good heat insulator against ready-made cold losses.
  • the cold losses can be reduced considerably in this way.
  • the two-ply cover device the temperature difference between the outside and the inside each layer significantly reduced, so that the respective No more condensate settles on the outside of each cover sheet. There is no need to perforate the cover film layer, which is why the cold losses by another considerable Amount are reduced. Due to the double-layer design of the Covering film therefore has two different effects, the add up to a significant reduction in cold losses.
  • the covering device is preferably a roller blind device formed so that the two layers of cover film from one edge the access opening can be pulled out to the opposite edge are.
  • the blind device is preferably at the top of the Access opening mounted so that the cover film layers for closing from the top to the bottom of the access opening can be pulled out. This way one becomes easy manageable and space-saving covering device realized.
  • the roller blind device trained like a pulley, a single Cover film forms the two cover film layers, and one cylindrical fixed roller to roll up and down the cover sheet and a cylindrical loose roll between the two cover film layers is provided.
  • the fixed Roll serves to roll up and unroll the cover film
  • the loose roll is wrapped around the cover film with approximately 180 °.
  • the loose roller therefore deflects the cover film by 180 °, for smoothing the cover film and at the same time for spacing the two layers of cover film from each other.
  • the cover film is therefore at one end attached to the fixed roll and roll or rollable from this.
  • the other end of the cover film is on attached to the blind device or in its vicinity.
  • the cover film layers are preferably vertical for closing extendable in front of the access opening.
  • the distance between the Cover foil layers almost the same everywhere and is between 1.0 and 20.0 cm, especially about 2.0 cm.
  • the roller blind device preferably has a drive for opening and closing Pull in the cover foil layers.
  • the pulley system is preferably the fixed rotatable Roller for rolling up and unrolling the cover film driven. It
  • the loosely rotatable roller can also be in the closed position Cover device or in the reverse direction by the drive be moved.
  • the fixed role a rotary actuator.
  • a cover film layer has a flexible sealing tape on each side edge on, each with a fixed sealing strip on the side edges the access opening cooperates magnetically in such a way that the side edge of the extended cover sheet layer on the sealing strip rests.
  • the sealing tape can be, for example magnetizable metal strips or a corresponding one be metallic paint in the edge area of the cover sheet concerned is sewn on or glued on.
  • the sealing strip can consist of a permanent magnet that runs along the side edges the access opening is attached throughout. On in this way, the side edges of the cover sheet are through the sealing strip is magnetically attracted so that it is largely sealing rest on the sealing strip. This makes a gap-free Closure of the side edges of the access opening also realized, thereby avoiding further cold losses.
  • the stationary cover film layer has the pulley-like roller blind device Sealing tape, which attach to the sealing strip without friction and has it peeled off.
  • the combination of the pulley system with the magnetic seal is therefore particularly advantageous because in the pulley-like A cover sheet layer is always fixed, which is why this situation is not pushed as such, but to a certain extent is placed on the cover opening. For this Reason can be fixed with the fixed layer of cover film seal connecting the side edges of the access opening realize.
  • the cover film is preferably designed to be airtight. A Perforation of the cover film to avoid condensation not because of the air cushion between the cover film layers more needed. Therefore, the cover film can be absolutely airtight be trained, which in turn reduces the cold losses become.
  • the cover film layers are one-sided reflective with infrared radiation Provide coating, which are arranged opposite each other are.
  • the coating is therefore always an air cushion directed between the two layers of cover film. Like attempts have resulted are the heat radiation losses through the Cover film layers through this arrangement the least.
  • a cooling shelf 10 is shown, the one so-called vertical sales cooling rack with forced-air cooling.
  • Cooling shelves are used in grocery stores, to store goods to be cooled and at the same time suitable for sale showcase.
  • the cooling shelf 10 shown in Fig. 1 has a bottom wall 12, a back wall 13, a top wall 14 and two side walls 15, which together enclose a cooling space 16.
  • At the Back wall 13 are two shelves slightly inclined towards the front down 18 arranged.
  • the front of the refrigerated shelf 10 has one extending substantially over the entire front Access opening 20 through which a customer directly can access the refrigerated goods stored in the interior 16.
  • the cooling shelf 10 has a forced-air cooling, which is formed in the is from an air inlet 22 on the bottom opening edge, the Floor duct 23, in the course of which a fan 24 and a cooling device 25 are arranged.
  • the sucked in through the air inlet 22 and cooled air by the cooling device 25 further through a rear wall channel 27 and an adjoining one Ceiling wall duct 29 led to an air outlet 32.
  • the cooled air flows through the air outlet 32 and forms in the access opening 20 a cold air curtain between the Cold air outlet 32 and the cold air inlet 22.
  • Rear wall channel 27 are further openings to the interior side provided by the cooling air directly into the cooling space 16 and in particular flows directly onto the shelves 18.
  • a cover device 40 is in the Ceiling wall 14 installed.
  • the cover device is a roller blind device which contains a cover film 42, that as a night cover to close the access opening 20 can be lowered into the access opening 20.
  • the cover device 40 a roller blind designed as a pulley system.
  • the roller blind device has a single flexible cover film 42 on in the closed state (FIG. 4) of the blind device 40 a first inner cover sheet layer 44 and a second one outside cover sheet layer 46 forms.
  • a layer is formed between the two cover film layers 44, 46 air-filled space 47, which is a good heat insulator releases and thus cold losses of the cooling rack interior 16 counteracts. Furthermore, through the gap air cushion 47 also the formation of condensate on the respective warmer Sides of the cover foil layers 44,46 prevented.
  • the roller blind device 40 has a fixed, rotatable, cylindrical one Roll 48 on the top of the access opening 20 is arranged.
  • the fixed roller 48 has an electric one Rotary drive on, through which the cover film is rolled up and down can be. While the one end of the cover sheet 42 firmly the fixed roller 48 is attached, the other end 50 is the Cover film 42 firmly on the housing 52 of the cover device 40 attached.
  • a loose second rotatable cylindrical one Roll 54 provided that serves as a weighting role. The second roller 54 pulls the two layers by its own weight 44,46 down so that the cover film 42 is vertical and is spanned smoothly in the access opening 20, as in 3 and 4 are shown.
  • the cover sheet 42 is an airtight, flexible and Fabric-reinforced plastic film that is one-sided with infrared radiation reflective coating is provided.
  • the Coating is on the side facing the space the cover sheet layers 44,46 applied.
  • the loose roller 54 has a diameter of approximately 2.0 cm.
  • the two film layers are also at the upper end of the access opening 20 44.46 stored at a distance of approximately 2.0 cm, so that there is a largely constant air cushion of 2.0 cm thickness results.
  • the covering film 60 shown in FIG. 5 has on the outside the outer second cover layer 65 as a sealing tape a flexible metal band 62 that extends over the entire height the access opening 20 extends.
  • a magnetic sealing strip 65 over the entire Height of the access opening 20 is arranged.
  • the metal sealing tape 62 lies on the gap-free magnetic sealing strip 65, which ensures a gap-free seal in the edge area.
  • the friction-free creation of the rolled Cover film 60 is possible because the second Cover film layer 66 is vertically fixed to the cover device housing 52 is attached, as can be seen in Fig. 2-4. When rolling up of the cover film 60, the cover film layer 66 peels off from the sealing strip 65 without friction.
  • a labyrinth seal is shown, which is essentially is formed from a vertical U-profile 72, in the side opening of the side edges of the two layers of cover film 74, 76 and the respective end of the loose roll 54 immerse yourself.
  • the labyrinth seal shown also offers one good sealing against convection cold losses and serves at the same time as a guide for the roller 54 and the cover film 70.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Refrigerator Housings (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Laminated Bodies (AREA)
  • Temperature-Responsive Valves (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP00100405A 1999-02-19 2000-01-08 Présentoir frigorifique Expired - Lifetime EP1029476B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29902999U 1999-02-19
DE29902999U DE29902999U1 (de) 1999-02-19 1999-02-19 Kühlregal

Publications (3)

Publication Number Publication Date
EP1029476A2 true EP1029476A2 (fr) 2000-08-23
EP1029476A3 EP1029476A3 (fr) 2001-02-28
EP1029476B1 EP1029476B1 (fr) 2003-12-03

Family

ID=8069657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100405A Expired - Lifetime EP1029476B1 (fr) 1999-02-19 2000-01-08 Présentoir frigorifique

Country Status (3)

Country Link
EP (1) EP1029476B1 (fr)
AT (1) ATE255350T1 (fr)
DE (2) DE29902999U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1114601A3 (fr) * 2000-01-03 2003-07-02 Linde Aktiengesellschaft Meuble de présentation pour des articles avec un cache basculant
US9372025B2 (en) 2012-10-22 2016-06-21 Anthony, Inc. Covers for refrigeration systems
CN109982613A (zh) * 2016-10-31 2019-07-05 开利公司 冷藏销售柜

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10118439A1 (de) * 2001-04-12 2002-10-17 Linde Ag Kühlregal
DE10221604B4 (de) * 2002-05-15 2010-09-16 Linde Kältetechnik GmbH & Co. KG Warenpräsentationsmöbel mit Nachtrollo
DE102009055724A1 (de) * 2009-11-26 2011-06-01 Albert Weiss Rolloeinrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1897945U (de) * 1964-05-25 1964-08-06 Amberger Kuehlanlagen Maschine Kuehlmoebel.
GB1555306A (en) * 1975-07-03 1979-11-07 Shade One Ltd Refrigerated display containers
US4275645A (en) * 1978-07-10 1981-06-30 Expertise Assistance Inc. Closure for service opening
US4288992A (en) * 1980-02-19 1981-09-15 Eliason Corporation Curtain for open front freezer or refrigerator
JPS57131969A (en) * 1981-02-06 1982-08-16 Hitoshi Karashima Freeze refrigerated display cabinet
DE8712220U1 (de) * 1987-09-09 1987-10-22 Remis Gesellschaft für Entwicklung und Vertrieb von technischen Elementen mbH Köln, 5000 Köln Kühlmöbelabdeckung
DE4127995C2 (de) * 1990-10-03 1994-01-27 Geta Ges Fuer Energietechnik U Wärmedämmende Abdeckung an Kühlregalen
DE29804329U1 (de) * 1998-03-11 1998-05-14 Linde Ag, 65189 Wiesbaden Nachtabdeckung für ein Kühlmöbel und Kühlmöbel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1114601A3 (fr) * 2000-01-03 2003-07-02 Linde Aktiengesellschaft Meuble de présentation pour des articles avec un cache basculant
US9372025B2 (en) 2012-10-22 2016-06-21 Anthony, Inc. Covers for refrigeration systems
US9829239B2 (en) 2012-10-22 2017-11-28 Anthony, Inc. Covers for refrigeration systems
CN109982613A (zh) * 2016-10-31 2019-07-05 开利公司 冷藏销售柜

Also Published As

Publication number Publication date
ATE255350T1 (de) 2003-12-15
EP1029476A3 (fr) 2001-02-28
EP1029476B1 (fr) 2003-12-03
DE29902999U1 (de) 2000-06-29
DE50004606D1 (de) 2004-01-15

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