EP1588650B1 - Gekühlte Verkaufsanlage - Google Patents

Gekühlte Verkaufsanlage Download PDF

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Publication number
EP1588650B1
EP1588650B1 EP20050008193 EP05008193A EP1588650B1 EP 1588650 B1 EP1588650 B1 EP 1588650B1 EP 20050008193 EP20050008193 EP 20050008193 EP 05008193 A EP05008193 A EP 05008193A EP 1588650 B1 EP1588650 B1 EP 1588650B1
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EP
European Patent Office
Prior art keywords
refrigerated
vending machine
duct
delivery
openings
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.)
Active
Application number
EP20050008193
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English (en)
French (fr)
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EP1588650A1 (de
Inventor
Andrea Mondin
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.)
FAS International SRL
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FAS International SRL
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Publication date
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Publication of EP1588650A1 publication Critical patent/EP1588650A1/de
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Publication of EP1588650B1 publication Critical patent/EP1588650B1/de
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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F9/00—Details other than those peculiar to special kinds or types of apparatus
    • G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
    • G07F9/105—Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0654—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the side
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0664—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the side
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a refrigerated vending machine.
  • Some documents disclosing refrigerating means are: US 2,788,641 , disclosing a home freezer operating at 0°C and below and incorporating a forced cold air circulation system; US 2,907,186 , disclosing an upright freezer in which the cold air is forced from side to side across the open front storage compartments of the cabinet; US 2,152,291 , disclosing a display case equipped with refrigeration for the storage and display of perishable merchandise, having means for providing for substantially uniform temperatures in all parts of the display compartment and US 2,533,913 , disclosing a refrigerated vegetable display case and spray system, in which the vegetables are arrayed on shelves in an insulated and automatically refrigerated cabinet and sprayed with precooled water at predetermined intervals through electrically operated means. None of the previous documents however discloses a refrigerated vending machine.
  • Refrigerated vending machines are currently widely used commercially which allow the user to remove the selected product and ensure that such product, while inside the vending machine, remains in optimum temperature conditions for its preservation.
  • the refrigeration devices that are generally used are constituted by a refrigeration unit, which is arranged below the containment frame and through which the stream of air intended to be introduced in the refrigeration chamber is forcedly fed.
  • the refrigerated air stream is forcedly fed through a delivery duct, which is formed at the rear wall of the containment frame.
  • the delivery duct has, at one of its walls directed toward the refrigeration chamber, a plurality of openings designed to be crossed by the stream of refrigerated air, so as to allow such stream to pass through the refrigeration chamber, keeping the products arranged on the trays at the optimum temperature.
  • the stream of refrigerated air after passing through the refrigeration chamber, strikes the front wall of the containment frame, which is generally made of glass in order to allow the user to view the products that can be dispensed by the vending machine.
  • the glass pane that constitutes the front panel by being struck internally by a stream of air at a temperature that is significantly lower than the external temperature, is subject to formation of condensation at its surface that faces the outside of the refrigeration chamber.
  • the aim of the present invention is to eliminate or at least reduce drastically the drawbacks noted above in known types of refrigerated vending machines.
  • Another object of the present invention is to provide a refrigerated vending machine that allows to optimize refrigeration.
  • Another object of the present invention is to provide a refrigerated vending machine that is capable of ensuring that no condensation forms at the external surface of the glass pane that constitutes the front panel.
  • Another object of the invention is to provide a refrigerated vending machine that allows to differentiate simply and effectively the temperature of various regions of the refrigeration chamber.
  • Another object of the present invention is to provide a refrigerated vending machine that has a very simple structure, is highly durable, easy to use and competitive in terms of production cost, so that its use is advantageous also from an economical standpoint.
  • a refrigerated vending machine generally designated by the reference numeral 1, comprises a containment frame 2, which has a rear closure wall 3, two side walls 4a and 4b, and a front panel 5.
  • the front panel 5 is provided with at least one at least partially transparent portion 5a, generally constituted by a glass pane.
  • the containment frame 2 defines internally a refrigeration chamber 6, which is formed laterally by two lateral shoulders 7 and in which there are at least two trays (not shown in the figures), which lie on a substantially horizontal plane and are superimposed.
  • the trays can be supported slidingly, for example, by vertical posts, but also directly by the lateral shoulders 7 or by the rear closure wall 3, and are intended to support the products to be dispensed.
  • said trays are associated with conventional movement means (for example of the spiral type) for the products to be dispensed.
  • the user introduces money or a prepaid key in a control panel and selects the intended product by entering a corresponding numeric code.
  • the movement means convey the selected product at the edge of the tray, which supports the product to be dispensed, so that it is directed toward the front panel until said product falls inside a collecting pocket, which is generally arranged below the containment frame 2.
  • the refrigerated vending machine 1 is provided with a refrigeration device 11, which comprises, at a lateral shoulder 7, at least one delivery duct for the refrigerated air 12 and, at the other lateral shoulder 7, at least one intake duct 13.
  • connection duct 14 is provided between the refrigerated air delivery duct or ducts 12 and the intake duct or ducts 13, and is provided with means 15 for refrigerating the air and with ventilation means 17, which are intended to forcedly feed the air through the refrigeration means 15 from the intake duct 13 toward the refrigerated air delivery duct 12.
  • Both the refrigerated air delivery duct 12 and the intake duct 13 have a respective fluid connection portion 12a and 13a, which is designed to provide a fluid connection between the respective ducts and the refrigeration chamber 6, and respectively have a plurality of delivery openings 12b and intake openings 13b.
  • the side walls 7 are provided with a respective fluid isolation portion 16a and 16b, which is arranged between the front panel 5 (when closed) and the respective fluid connection portions 12a and 13a.
  • the fluid isolation portions 16a and 16b lie along a substantially vertical direction at least at the region proximate to the front panel 5 that is provided with the substantially transparent portion 5a.
  • the fluid isolation portions 16a and 16b may reach substantially the edge (directed toward the front panel) of the trays, so that the air stream that exits from the delivery openings can strike completely the products arranged on the trays 10.
  • connection port 20 which advantageously has a fluid passage section that is larger than the sum of the output sections of the plurality of delivery openings 12b, so as to ensure, inside the refrigerated air delivery duct 12, a slight overpressure, such as to allow the air that passes through the delivery openings 12b to have a certain flow rate along a direction that is substantially perpendicular to the lateral shoulder 7 and therefore parallel to the front panel 5.
  • the density of the delivery openings 12b is different in a vertical direction, so as to achieve a differentiation of the temperature in the various trays.
  • the refrigerated vending machine 1 can comprise means for at least partially closing at least one of the delivery openings 12b, so as to allow adjustment of the stream of air that exits from the fluid connection portion 12a.
  • closure means can be provided, for example, by plugs made of an elastic material that are selectively inserted into the holes.
  • Other closure means may obviously be used, such as, diaphragms suitable to cover one or more of the holes.
  • the delivery openings 12b By acting on the opening/closure of the delivery openings 12b, it is further possible to generate a forced thermal gradient region (for example, by closing the delivery openings 12b arranged in the lower part, it has been found that the coldest region, for example at 3-4 °C, is obtained at the intermediate trays, the lower trays can have a temperature of approximately 4-5 °C, and the upper ones can have a temperature of 10-12 °C).
  • a forced thermal gradient region for example, by closing the delivery openings 12b arranged in the lower part, it has been found that the coldest region, for example at 3-4 °C, is obtained at the intermediate trays, the lower trays can have a temperature of approximately 4-5 °C, and the upper ones can have a temperature of 10-12 °C).
  • closure means can also be used to close at least partially some of the intake openings 13b.
  • the ventilation means forcedly feed the air stream through the refrigeration means and, through the connecting port 20, toward the delivery duct.
  • connection port 20 Since the connection port 20 has a larger passage section than the sum of the cross-sections of the plurality of delivery openings 12b, an overpressure is generated inside the delivery duct 12 and ensures a uniform flow of air through said openings 12b.
  • the air streams that pass through the delivery openings assuredly have a direction that is substantially parallel to the front panel, so as to pass through the entire refrigeration chamber until they are "aspirated" by the intake openings 13b formed at the other side wall.
  • the stream of air that exits from the delivery openings 12b is spaced from the front panel 5, forming a pocket or curtain or layer of stationary air between the front panel 5 and the edge of the trays on which the products to be dispensed are arranged.
  • This pocket or curtain or layer of stationary air prevents formation of condensation at the outer surface of the glass pane and also provides the thermal insulation of said glass pane, with a significant reduction of the energy required to refrigerate the refrigeration chamber.
  • This stationary air pocket acts as a heat insulator, preventing first of all the refrigerated air stream from striking the glass pane and thus preventing formation, between the internal surface of the glass pane and the external surface, of such a thermal gradient as to cause condensation.
  • the delivery openings (and optionally the intake openings as well) are more or less densely spaced along the vertical direction, so as to achieve a differentiation of the temperature of the various trays.
  • the materials used may be any according to requirements.

Claims (7)

  1. Gekühlte Verkaufsanlage mit einem Außenrahmen (2), der eine hintere Abdeckwand (3), zwei Seitenwände (4a, 4b) und eine Frontplatte (5) aufweist, die zumindest einen Abschnitt (5a) besitzt, der wenigstens teilweise transparent ist, wobei der Außenrahmen (2) eine Kühlkammer (6) bildet, die durch zwei seitliche Randleisten (7) seitlich begrenzt ist, und in der mindestens zwei Ablageschächte vorgesehen sein können, die mindestens teilweise aufgesetzt sind, um auszugebende Produkte zu tragen, wobei die gekühlte Verkaufsanlage weiterhin eine Kühlvorrichtung (11) enthält, die an einer der seitlichen Randleisten (7) mindestens eine Leitung (12) zur Zuleitung gekühlter Luft und an der anderen seitlichen Randleiste (7) wenigsten eine Luftansaugleitung (13), wobei eine Verbindungsleitung (14) zwischen der mindestens eine Zufuhrleitung für gekühlte Luft (12) und der Luftansaugleitung (13) vorgesehen ist, aufweist und mit Luftkühlungsmitteln (15) und Belüftungsmitteln (17) ausgebildet ist, um Luft durch das Kühlungsmittel (15) aus der Ansaugleitung (13) in Richtung der Zufuhrleitung für gekühlte Luft (12) zwangszubewegen, wobei die Zuführleitung für gekühlte Luft (12) und die Luftansaugleitung (13) entsprechende Abschnitte (12a,13a) für eine Fluidverbindung zu der Kühlkammer (6) ausweisen, die jeweils mit einer Mehrzahl an Zuleitungsöffnungen (12b) und Ansaugöffnungen (13b) versehen sind, wobei die Dichte der Öffnungen in einer vertikalen Richtung unterschiedlich ist, um in den verschiedenen Ablageschächten unterschiedliche Temperaturen zu erzielen.
  2. Die gekühlte Verkaufsanlage gemäß Anspruch 1, dadurch gekennzeichnet, dass die seitlichen Randleisten (7) entsprechende Fluidisolationsteile (16a,16b) zwischen der Frontplatte (5) und den Fluidverbindungsteilen (12a,13a) aufweisen.
  3. Die gekühlte Verkaufsanlage gemäß dem obigen Anspruch, dadurch gekennzeichnet, dass die Fluidisolationstelle (16a, 16b) entlang einer im Wesentlichen vertikalen Richtung liegen.
  4. Die gekühlte Verkaufsanlage gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie zwischen der Verbindungsleitung (14) und der Zufuhrleitung für gekühlte Luft (12) einen Verbindungsanschluss (20) aufweist, der einen größeren Durchflussbereich hat als die Summe der Ausgabequerschnitte der Mehrzahl der Zufuhröffnungen (12b).
  5. Die gekühlte Verkaufsanlage gemäß einem oder mehreren vorhergehenden Ansprüchen, dadurch gekennzeichnet, dass sie ein Schließmittel zum zumindest teilweisen Schließen von wenigstens einer der mehreren Zuführöffnungen (12b) umfasst.
  6. Die gekühlte Verkaufsanlage gemäß einem oder mehreren vorhergehenden Ansprüchen, dadurch gekennzeichnet, dass sie Schließmittel zum zumindest teilweisen Schließen von wenigstens einer Ansaugöffnung der mehreren Ansaugöffnungen (13b) umfasst.
  7. Die gekühlte Verkaufanlage gemäß einem der vorhergehenden Ansprüche, wobei die Dichte der Ansaugöffnungen sich in einer vertikalen Richtung unterscheidet, um unterschiedliche Temperaturen in den verschiedenen Ablageschächten zu erzielen.
EP20050008193 2004-04-16 2005-04-14 Gekühlte Verkaufsanlage Active EP1588650B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVR20040060 ITVR20040060A1 (it) 2004-04-16 2004-04-16 Distributore automatico refrigerato
ITVR20040060 2004-04-16

Publications (2)

Publication Number Publication Date
EP1588650A1 EP1588650A1 (de) 2005-10-26
EP1588650B1 true EP1588650B1 (de) 2008-10-29

Family

ID=34935182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050008193 Active EP1588650B1 (de) 2004-04-16 2005-04-14 Gekühlte Verkaufsanlage

Country Status (4)

Country Link
EP (1) EP1588650B1 (de)
DE (1) DE602005010629D1 (de)
ES (1) ES2314511T3 (de)
IT (1) ITVR20040060A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO325863B1 (no) * 2006-10-23 2008-08-04 Torgeir Hamsund Anordning ved temperaturregulert skap
CN107300282A (zh) * 2017-06-30 2017-10-27 青岛海尔特种电冰箱有限公司 冷藏冷冻装置
WO2021102818A1 (zh) * 2019-11-28 2021-06-03 魏利枚 一种饮料自动售卖机的制冷系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152291A (en) * 1937-09-15 1939-03-28 Koch Butchers Supply Company Refrigerated case
US2533913A (en) * 1949-08-04 1950-12-12 John S Booth Refrigerated vegetable display case and spray system
US2788641A (en) * 1953-06-19 1957-04-16 Freez Aire Corp Freezing unit
US2907186A (en) * 1958-03-31 1959-10-06 Louis F Barroero Air circulation means for upright refrigerated cabinets

Also Published As

Publication number Publication date
EP1588650A1 (de) 2005-10-26
ITVR20040060A1 (it) 2004-07-16
DE602005010629D1 (de) 2008-12-11
ES2314511T3 (es) 2009-03-16

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