EP3481260A1 - Meuble d'exposition réfrigéré combiné - Google Patents

Meuble d'exposition réfrigéré combiné

Info

Publication number
EP3481260A1
EP3481260A1 EP17757872.1A EP17757872A EP3481260A1 EP 3481260 A1 EP3481260 A1 EP 3481260A1 EP 17757872 A EP17757872 A EP 17757872A EP 3481260 A1 EP3481260 A1 EP 3481260A1
Authority
EP
European Patent Office
Prior art keywords
refrigerated
shelves
display cabinet
delivery duct
towards
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
EP17757872.1A
Other languages
German (de)
English (en)
Other versions
EP3481260C0 (fr
EP3481260B1 (fr
Inventor
Gian Michele SALIN
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.)
ARNEG SpA
Original Assignee
ARNEG SpA
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 ARNEG SpA filed Critical ARNEG SpA
Publication of EP3481260A1 publication Critical patent/EP3481260A1/fr
Application granted granted Critical
Publication of EP3481260C0 publication Critical patent/EP3481260C0/fr
Publication of EP3481260B1 publication Critical patent/EP3481260B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47F3/0443—Cases or cabinets of the open type with forced air circulation
    • A47F3/0456—Cases or cabinets of the counter type
    • 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
    • A47F3/0443—Cases or cabinets of the open type with forced air circulation
    • A47F2003/046—Cases or cabinets of the open type with forced air circulation with shelves having air ducts

Definitions

  • the present invention refers in general to a refrigerated display cabinet and, in particular, to a refrigerated display cabinet that combines the characteristics both of a refrigerated display cabinet of the so-called wall-mounted type, and of a refrigerated display cabinet of the so-called island type .
  • refrigerated cabinets for displaying consumer products
  • refrigerated display groups or refrigerated cabinets
  • These refrigerated display groups, or refrigerated cabinets are typically used in the field of mass distribution to display and conserve particular types of perishable products.
  • these refrigerated display cabinets are often used in supermarkets, canteens, etc. to offer the possibility of purchasing fresh products and of keeping the products themselves in an environment at a suitable temperature .
  • refrigerated cabinets can be divided into:
  • - semi-vertical cabinet is a refrigerated cabinet for displaying and selling with horizontal display opening in its upper part and accessible from above;
  • - island cabinet is a refrigerated cabinet intended to be coupled as part of a so-called “gondola”, in other words of a line of refrigerated cabinets coupled together.
  • the "gondola” is equipped with a head refrigerated cabinet so as to allow the consumer to gain access from all sides;
  • - wall-mounted cabinet is a refrigerated cabinet intended to be placed against a wall, or another refrigerated cabinet in a back-to-back configuration.
  • Each type of refrigerated cabinet has its own functional characteristics that are often different from those of other types of refrigerated cabinets.
  • each type of refrigerated cabinet has its own advantages and defects.
  • an island cabinet can occupy more floor space with respect to a wall-mounted cabinet for the same refrigerated volume and/or amount of goods displayed.
  • an island cabinet can have better accessibility to the products contained in it with respect to a wall-mounted cabinet, the upper shelves of which for storing products are often arranged at great heights from the ground.
  • the general purpose of the present invention is therefore that of making a refrigerated display cabinet, in particular a refrigerated display cabinet of the combined type, which is capable of overcoming the aforementioned drawbacks of the prior art in an extremely simple, cost-effective and particularly functional manner.
  • a purpose of the present invention is to make a refrigerated display cabinet that is capable of combining the characteristics typical of wall- mounted and island refrigerated cabinets, improving the ergonomics, in terms of visibility and accessibility of the displayed products, with respect to known refrigerated cabinets.
  • Another purpose of the invention is to make a refrigerated display cabinet that is capable of optimising the floor space occupied, in other words increasing the amount of goods displayed for the same floor space occupied, with respect to known refrigerated cabinets.
  • the refrigerated display cabinet according to the present invention combines the typical characteristics of wall-mounted and island refrigerated cabinets, making it possible to house the products both on an upper shelf accessible from above, typical of an island cabinet, and on a plurality of display surfaces extending horizontally accessible from the front, characteristics of a wall-mounted cabinet.
  • the refrigerated display cabinet according to the present invention makes it possible to obtain high ergonomics, in terms of visibility and accessibility of the displayed products, together with the optimisation of the floor space occupied.
  • the refrigerated display cabinet according to the present invention has particularly small dimensions in plan, which provide great versatility.
  • the floor space occupied is indeed intended, on the one hand, to satisfy the requirement of low space occupied demanded by the market and, on the other hand, to ensure the possibility of combining and channelling, in a modular fashion, many refrigerated display cabinets.
  • the vertical extension of the refrigerated display cabinet also makes it possible to obtain one or more further display levels, thanks to which the amount of goods displayed, for the same floor space occupied, is considerably increased.
  • figure 1 is a vertical section view of a preferred embodiment of the refrigerated display cabinet according to the present invention.
  • figure 2 is a partial view, in vertical section, of the refrigerated display cabinet of figure 1, in which the operating scheme of the aeraulic circuit is highlighted;
  • figure 3 is an enlarged view of a detail of figure 2;
  • figure 4 is another vertical section view of the refrigerated display cabinet of figure 1, which highlights the viewing possibilities of the displayed products thereof;
  • figure 5 is a further vertical section view of the refrigerated display cabinet of figure 1, which highlights the accessibility of the displayed products. It should be specified that, in the attached figures and in the following description, numerous components of the refrigerated display cabinet will not be mentioned and/or illustrated, since they are components well known to the person skilled in the art.
  • a refrigerated display cabinet according to the present invention is shown, wholly indicated with reference numeral 10.
  • the refrigerated display cabinet 10 is provided with at least one refrigerating machine (not shown) which can be both incorporated in the refrigerated display cabinet 10 itself, and installed remotely to be able to operate with a plurality of distinct refrigerated display groups.
  • the refrigerated display cabinet 10 is thus provided with a base block 12 in which at least one display surface 14 is formed, intended to contain a plurality of products to be kept at a temperature below room temperature by means of the refrigerating machine.
  • each display surface 14 extends mainly horizontally, typical of island refrigerated display cabinets, and can be provided with one or more vertical dividing walls (not shown) .
  • Each shelf 20A and 20B extending horizontally, on which the products to be conserved rest, extends upwards from the base block 12.
  • Each shelf 20A and 20B is arranged at a greater height with respect to the height of each display surface 14 with reference to a support plane of the base block 12.
  • two distinct batteries of shelves 20A and 20B are provided, arranged above each display surface 14 at two respective predetermined heights from the support plane of the base block 12.
  • one or more upper shelves 20A can be provided, preferably delimited by respective front partitions 36, and possibly one or more lower shelves 20B, arranged between each display surface 14 and such upper shelves 20A.
  • each delivery duct 22 and 24 is configured to convey refrigerated air, produced by the refrigerating machine, towards each display surface 14 and towards each shelf 20A and 20B.
  • at least one main delivery duct 22, obtained inside the support structure 18, and at least one secondary delivery duct 24, obtained inside at least part of the shelves 20A and 20B and arranged in fluid connection downstream of the main delivery duct 22 are provided.
  • Each main delivery duct 22 extends mainly vertically, whereas each secondary delivery duct 24 extends mainly horizontally, being associated with a respective shelf 20A and 20B extending horizontally, in this case the upper shelves 20A. Moreover, each main delivery duct 22 has an average passage cross section of the refrigerated air that is greater than the average passage cross section of the refrigerated air of each secondary delivery duct 24.
  • each main delivery duct 22 Along the vertical side surface of each main delivery duct 22 there is a plurality of slots 26 oriented to send the refrigerated air towards each display surface 14 and towards at least part of the shelves 20A and 20B.
  • at least one selective deflector 30 is arranged, configured to divide the flow of refrigerated air into two distinct flows, as will be specified better hereinafter.
  • each secondary delivery duct 24 extends along a direction substantially perpendicular to the direction of extension of the respective secondary delivery duct 24.
  • the respective end opening portion 32 extends vertically downwards to convey at least part of the refrigerated air towards each display surface 14 and towards possible lower shelves 20B arranged below such a secondary delivery duct 24.
  • each end opening portion 32 has an average passage cross section of the refrigerated air that is smaller than the average passage cross section of the refrigerated air of the respective secondary delivery duct 24.
  • the operation of the refrigerated display cabinet 10 is thus based on a single a Vogellic circuit that simultaneously cools both each display surface 14, and each shelf 20A and 20B above.
  • the refrigerated display cabinet 10 is symmetrical with respect to a vertical plane passing through the support structure 18 of the shelves 20A and 20B.
  • one or more shelves 20A and 20B are provided arranged on one side of the refrigerated display cabinet 10 and one or more corresponding shelves 20A and 20B are provided arranged on the opposite side of such a refrigerated display cabinet 10. It is thus possible to provide one or more main delivery ducts 22, parallel to one another, which extend vertically inside the support structure 18.
  • the single aeraulic circuit based mainly on the shape of dividing walls and deflectors and on the suitable sizing of the delivery ducts 22 and 24, makes it possible to suck suction air from the upper shelves 20A without the help of additional machines or tools, keeping the aeraulic circuit equally closed and stable. Thanks to the aforementioned system, the two different types of refrigerated cabinet, island and wall-mounted, can co-exist in a single body.
  • All of the apparatuses (heat exchangers, fans and valves) of the refrigerating machine necessary to keep the aeraulic circuit in normal operating conditions are housed in one or more suitable compartments 42 arranged inside the base block 12. These apparatuses, enclosed in the respective compartments 42, have identical operation to that of the corresponding apparatuses of a conventional refrigerated cabinet.
  • a first portion of air flow rate Q v at delivery temperature is drawn through the slots 26 to cool the products contained on the display surfaces 14.
  • a second portion of air flow rate Q r at delivery temperature is, on the other hand, intended for cooling the goods present on the lower shelves 20B.
  • each selective deflector 30 is driven to each selective deflector 30 positioned at the base of a respective upper shelf 20A.
  • the selective deflector 30 is suitably perforated and shaped to further divide the air flow rate Q f in two distinct air flow rates Qi and Q2.
  • a first air flow rate Qi is channelled in every single secondary horizontal delivery duct 24 obtained inside the respective upper shelves 20A. Inside the horizontal secondary delivery duct 24 the air flow rate Qi undergoes an acceleration, due to the narrowing of the section of such a secondary delivery duct 24 with respect to the main delivery ducts 22. Crossing a closed channel, the thermal load of the air flow rate Qi only undergoes negligible losses. Consequently, once the end opening portion 32 of each secondary delivery duct 24 is reached, the air flow rate Qi can be considered at delivery temperature.
  • the air flow rate Qi is forced to a second acceleration by a further narrowing of the passage section. At the end opening portion 32, therefore, the air flow rate Qi is deviated downwards and directed towards a suction grid 34 of each display surface 14, thus acting as an air curtain for the wall part of the refrigerated display cabinet 10.
  • the second air flow rate Q2 is pushed upwards inside each upper main delivery duct 22. A precise sizing of the upper slots 26 allows this second air flow rate Q2 to come out above the upper shelves 20A.
  • the temperature of the second air flow rate Q2 is always that of delivery. Due to the braking effect of the selective deflector 30, combined with that of the slots system 26, the second air flow rate Q2 is less, not only in terms of flow rate but also as kinetic energy, with respect to the air flow rate Qi that flows parallel in the secondary delivery duct 24 below, but remaining sufficient to adequately conserve the displayed goods.
  • each upper shelf 20A At the free end of each upper shelf 20A the air flow rate Q2 has absorbed the thermal load of the goods, going to the suction temperature, and reaches a front partition 36, preferably transparent.
  • the front partition 36 extends vertically and is fixedly connected to a respective upper shelf 20A at the end opening portion 32 of the respective secondary delivery duct 24.
  • a suction channel 38 extending vertically is arranged between each upper shelf 20A and the respective front partition 36. The air flow rate Q2, deviated by the front partition 36, is thus sent above the suction channel 38.
  • the suction channel 38 is separated from the end opening portion 32 through a dividing wall 40 of minimal thickness.
  • the air flow rate Qi greater with respect to the air flow rate Q2, comes out from the end opening portion 32 at high speed.
  • the kinetic energy of the air flow rate Qi thus generates a natural driving force close to its limit. Keeping the suction channel 38 a minimum distance from the end opening portion 32 makes it possible to subject the air flow rate Q2 to -lithe aforementioned driving force.
  • the resulting effect is the sucking of the air flow rate Q 2 , which is sucked through the suction channel 38 and mixes with the air flow rate Qi , which drives it downwards.
  • the kinetic load of the air flow rate Qi is regulated by the shape of the selective deflector 30 , by the size of the section of the secondary delivery duct 24 and by the size of the end opening portion 32 , so as to be sufficient to capture the air flow rate Q 2 and still conserve the energy to constitute a curtain of air suitable for the refrigeration of the lower shelves 2 0B .
  • the ratio in dimensional terms between the air flow rates Qi and Q 2 is regulated by the shape of the selective deflector 30 , so that the air flow rate Qi is much greater than the air flow rate Q 2 , in the limits to in any case ensure the refrigerating effect of such an air flow rate Q 2 .
  • the thermal impact due to the mixing of the air flow rate Q 2 , at suction temperature, with the air flow rate Qi , at delivery temperature is reduced.
  • the resulting air flow rate Q c which forms a downward curtain, joins with the air flow rates Q r and Q v , which respectively supply the lower shelves 20B and the display surfaces 14 below.
  • This resulting air flow rate Q c is finally sucked by the fans through a lower suction grid 34, arranged at the front end of each display surface 14.
  • each upper shelf 20A measured from the support plane of the base block 12 is about 1100 mm.
  • This value is devised to combine the excellent visibility of the "island" section, consisting of the display surface of the shelf 20A, with the large load capacity of the vertical section, consisting of the shelf 20B and the display surface 14, without precluding easy accessibility to the goods displayed in each of the levels.
  • the height from ground of the partitions 36 of the upper shelves 20A which coincides with the overall height from ground of the refrigerated display cabinet 10, is preferably less than 1300 mm, so as to allow the consumer to easily access the goods displayed on the upper shelves 20A, avoiding unnatural movements (see figure 5);
  • the lower shelves 20B provide a further refrigerated surface on which to position the goods
  • a possible top shelf 16 formed above the support structure 18 and totally transparent, can form a non- refrigerated support structure, also possibly accessible to the consumer;
  • the refrigerated display cabinet 10 provides for the possible scenario of being channelled on each side with another refrigerated display cabinet 10 of the same type, forming a "gondola" line typical of an island, accessible on both sides.
  • the refrigerated display cabinet 10 can be used singularly, closing the sides with suitable transparent side walls (not shown) .
  • Such side walls are devised to allow maximum visibility on the products displayed in the vertical part, as well as total accessibility to the upper shelves 20A from all four sides of the refrigerated display cabinet 10, in turn a characteristic of an island refrigerated cabinet .
  • the refrigerated display cabinet thus conceived can in any case undergo numerous modifications and variants, all of which are covered by the same innovative concept; moreover, all of the details can be replaced by technically equivalent elements.
  • the materials used, as well as the shapes and sizes, can be whatever according to the technical requirements .

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

La présente invention concerne un meuble d'exposition réfrigéré (10) comprenant au moins une étagère supérieure (20A) accessible par le haut, typique d'une installation dite groupe d'exposition réfrigéré à îlots, et une pluralité de surfaces d'exposition (14) et des étagères inférieures (20B) s'étendant horizontalement, accessibles depuis l'avant, caractéristiques d'une installation dite groupe d'affichage réfrigéré mural. Le meuble d'exposition réfrigéré (10) comprend également une pluralité de conduits de distribution (22, 24) d'un circuit aéraulique, conçus pour transporter de l'air réfrigéré (Qi) vers chaque surface d'affichage (14) et vers chaque étagère (20A, 20B). Les conduits de distribution (22, 24) comprennent au moins un conduit de distribution principal (22), conçu pour envoyer une première quantité d'air réfrigéré {Qv, Qr, Q2) vers chaque surface d'affichage (14) et vers au moins une partie des étagères (20A, 20B), et au moins un conduit de distribution secondaire (24), disposé à l'intérieur d'au moins une partie des étagères (20A, 20B) et disposé en communication fluidique en aval du conduit de distribution principal (22). Chaque conduit de distribution secondaire (24) est conçu pour envoyer une seconde quantité d'air réfrigéré (Qi) vers chaque surface d'affichage (14) et vers au moins une partie des étagères (20A, 20B), de sorte que la première quantité d'air réfrigéré (Qv, Qr, Q2) peut être au moins partiellement mélangée à la seconde quantité d'air réfrigéré (Qi).
EP17757872.1A 2016-07-06 2017-07-06 Meuble d'exposition réfrigéré Active EP3481260B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT202016000070459U IT201600070459U1 (it) 2016-07-06 2016-07-06 Gruppo espositore refrigerato combinato.
PCT/IB2017/054074 WO2018007971A1 (fr) 2016-07-06 2017-07-06 Meuble d'exposition réfrigéré combiné

Publications (3)

Publication Number Publication Date
EP3481260A1 true EP3481260A1 (fr) 2019-05-15
EP3481260C0 EP3481260C0 (fr) 2023-09-20
EP3481260B1 EP3481260B1 (fr) 2023-09-20

Family

ID=59702765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17757872.1A Active EP3481260B1 (fr) 2016-07-06 2017-07-06 Meuble d'exposition réfrigéré

Country Status (4)

Country Link
EP (1) EP3481260B1 (fr)
DE (1) DE202017007233U1 (fr)
IT (1) IT201600070459U1 (fr)
WO (1) WO2018007971A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2797476T3 (es) * 2018-07-18 2020-12-02 Melius Integral S L Mostrador con sistema de climatización y congelación
NL2023984B1 (en) * 2019-10-09 2021-06-01 Fri Jado Bv System comprising a display unit for storing and displaying food products, and multiple shelves, and method for storing and displaying refrigerated food products in a display unit
EP3804576B1 (fr) * 2019-10-09 2024-02-14 Fri-Jado B.V. Système comprenant une unité de présentation pour stocker et exposer des produits alimentaires, et plusieurs étagères, et procédé pour stocker et exposer des produits alimentaires réfrigérés dans une unité de présentation
DE102019130975A1 (de) * 2019-11-15 2021-05-20 Ake Ausseer Kälte- Und Edelstahltechnik Gmbh Inselartiger Warenpräsenter
GB2592047A (en) * 2020-02-13 2021-08-18 Aerofoil Energy Ltd Improvements to open display refrigerators
CN111557573B (zh) * 2020-05-28 2021-06-25 珠海格力电器股份有限公司 风幕式陈列柜

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3115019A (en) * 1960-09-26 1963-12-24 American Hardware Corp Self-service refrigerated display case
DE1952838U (de) * 1966-11-18 1967-01-05 Bbc Brown Boveri & Cie Kuehlregal mit mehreren uebereinanderliegenden etageren mit luftumwaelzung im kuehlkreislauf.
JP2006242449A (ja) * 2005-03-02 2006-09-14 Sanden Corp ショーケース
ES2597382T3 (es) * 2006-12-21 2017-01-18 Carrier Corporation Armario refrigerador
US20100024446A1 (en) * 2008-08-04 2010-02-04 Hussmann Corporation Refrigerated merchandiser with dual air curtain

Also Published As

Publication number Publication date
WO2018007971A1 (fr) 2018-01-11
IT201600070459U1 (it) 2018-01-06
EP3481260C0 (fr) 2023-09-20
EP3481260B1 (fr) 2023-09-20
DE202017007233U1 (de) 2020-03-03

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