EP2795210B1 - Elément de refroidissement et dispositif de refroidissement - Google Patents

Elément de refroidissement et dispositif de refroidissement Download PDF

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Publication number
EP2795210B1
EP2795210B1 EP12758463.9A EP12758463A EP2795210B1 EP 2795210 B1 EP2795210 B1 EP 2795210B1 EP 12758463 A EP12758463 A EP 12758463A EP 2795210 B1 EP2795210 B1 EP 2795210B1
Authority
EP
European Patent Office
Prior art keywords
cooling
space
evaporator
cooling device
elements
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
EP12758463.9A
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German (de)
English (en)
Other versions
EP2795210A1 (fr
Inventor
Admilson Pinto
Andreas Hoffmann
Uwe SCHRAMER
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.)
B Medical Systems SARL
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B Medical Systems SARL
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Publication date
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Publication of EP2795210A1 publication Critical patent/EP2795210A1/fr
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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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/003—Transport containers
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/006—Self-contained movable devices, e.g. domestic refrigerators with cold storage accumulators
    • 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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/026—Doors; Covers for open-top cabinets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • 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
    • F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/082—Devices using cold storage material, i.e. ice or other freezable liquid disposed in a cold storage element not forming part of a container for products to be cooled, e.g. ice pack or gel accumulator
    • F25D2303/0822—Details of the element
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/082—Devices using cold storage material, i.e. ice or other freezable liquid disposed in a cold storage element not forming part of a container for products to be cooled, e.g. ice pack or gel accumulator
    • F25D2303/0822—Details of the element
    • F25D2303/08222—Shape of the element

Definitions

  • the present invention relates to a cooling element for use in a cooling device, with a front side, a rear side and four side surfaces.
  • the present invention further relates to a cooling device with at least one cooling circuit with a compressor, an evaporator and a condenser and a closable cooling space with a plurality of cooling space side walls, a cooling space floor and a cooling goods space.
  • cooling elements and devices are used in remote areas in developing countries, where a stable and secure energy supply cannot be guaranteed. Nonetheless, it is precisely in these areas that an uninterrupted cold chain for food and medical products, such as vaccines or blood products, is essential. In particular, the handling of the latter products is often difficult, which is one of the reasons for the extremely poor living conditions of the people living there and which contributes significantly to the high death rate.
  • the World Health Organization has therefore drawn up a catalog with minimum criteria that must be met by the cooling equipment used for the transport and storage of medical products. Insulated boxes with latent heat stores, ice packs or so-called freeze packs have therefore established themselves in particular for transport over short distances. There are more stringent requirements for the storage of medical products.
  • the cold room temperature must not be more than + 8 ° C and not less than + 2 ° C. Furthermore, sufficient cooling must be guaranteed for at least 3 days even if the power supply fails.
  • electrical cooling devices with or without cooling elements, or battery-operated cooling elements come into consideration. It has proven to be practicable to generate the energy required for operation photovoltaically, since the solar irradiation in most developing countries is sufficiently high over the entire year.
  • batteries usually have to be used in order to be able to store a sufficient amount of medical products over a longer period of time.
  • batteries have the disadvantage that the devices have a very high price and that the proper disposal of old batteries has turned out to be difficult in some cases.
  • cooling devices known from the prior art, several cooling elements are deep-frozen purely photovoltaically in a separate compartment of a cooling device.
  • the cold stored in this way is then introduced into the actual cold room, in which the medical products are stored, via a fan.
  • the compressor runs continuously when there is sunlight in order to obtain sufficient cooling capacity. So that the cold room temperature does not fall below the minimum required + 2 ° C and it Thus, the medical products stored in the cooling device are damaged, cooling devices of this type have a heater that provides thermal energy as required.
  • the rear side of such cooling elements is essentially flat, and the front side has stiffening elements, the stiffening elements preventing deformation of the cooling element during cooling and freezing through.
  • This has the advantage that, depending on the coolant used, the cooling elements do not expand or contract during cooling and freezing due to the accompanying expansion or shrinkage. In this way, optimal cold input into the cooling element can be achieved at all times, since the rear side of the cooling element intended for transmission retains its shape and thus rests against a plate-like evaporator, for example, over a large area
  • Such cooling elements are for example from the GB 2,465,376 A , of the DE 10 2008 042907 A1 as well as the GB 2 282 661 A known.
  • the cooling element according to the invention has a plate-like insulation element which is inserted into the recess on the front side of the cooling element.
  • the advantage of the insulation element is that, when cooling, heat is released from the cooling element to the evaporator faster than is supplied from the cooling space. This enables the cooling element to freeze quickly without the temperature of the cooling space falling below the intended minimum temperature.
  • the insulation element prevents, for example, an item to be cooled from being in direct contact with the cooling element. Since water can adhere to the goods to be cooled, freezing can be effectively prevented. Furthermore, it can also be prevented in this way that the temperature in an adjoining cooling space becomes too low and that damage to the goods stored therein occurs.
  • the reaction rate of the temperature in the refrigerated goods space is advantageously reduced and a desired inertia is achieved.
  • the object of the present invention is to use a cooling element Cooling device can be made available without additional heating and good insulation is achieved.
  • the cooling element according to the invention is also distinguished from the prior art in that the plate-like insulation element is made from a plastic foam or is a vacuum element.
  • the insulation element is advantageously foamed directly into the recess with plastic insulation material, so that the insulation element forms a unit with the cooling element.
  • plastic insulation material plastic insulation material
  • Polyurethane, expanded polystyrene or expanded polypropylene in particular can be used as the plastic foam.
  • the plate-like insulation element can also be a vacuum element. This has the advantage that optimal insulation is achieved.
  • the stiffening elements expediently have connecting elements.
  • the connecting elements connect the front of the cooling element to the rear of the cooling element. These bridge-like connections thus extend through the cooling element and contribute to maintaining the shape of the cooling element during the cooling process.
  • the cooling element also has stiffening elements in the circumferential edge region between the front side and the side surfaces, the stiffening elements protruding into the front side and into the side surfaces. These stiffening elements thus represent an additional connection between the front side and at least one side surface. This also results in additional stiffening which helps to maintain the shape of the cooling element during the cooling process.
  • the cooling element expediently has a valve or an opening for filling and discharging the cooling element on a side surface.
  • the cooling element can only be filled with coolant when required at the place of use, so that there are advantages due to the lower weight, particularly during transport.
  • the cooling element can be filled with a cooling liquid.
  • water is used as the cooling liquid.
  • water is also available in remote areas in developing countries, which means that the cooling elements do not have to be filled at the factory.
  • water has relatively good cold storage properties and is non-toxic.
  • the invention also relates to a cooling device, in particular a freezer.
  • a freezer is understood here to mean a cooling device with a lid, the goods to be cooled from is introduced into the cooling device or into the refrigerated goods space at the top.
  • the cooling device according to the invention is distinguished from the freezers known from the prior art in that the evaporator and the cooling element are arranged within the cooling space in such a way that the rear side of the cooling element rests against the evaporator and the front side faces the refrigerated goods space.
  • the cooling element is not arranged in a separate compartment of the cooling device, but directly in the cooling space, with the front side of the cooling element facing the cooling goods space in which the goods to be cooled, e.g. the medical products, are located.
  • this has the advantage that a further component for transporting cold can be dispensed with.
  • the arrangement of the cooling element directly on the evaporator results in an optimal introduction of cold into the cooling element, so that homogeneous freezing of the cooling element is achieved. It is advantageous here if the evaporator is constructed in the manner of a plate and the cooling element rests against the evaporator with its entire rear side.
  • the evaporator extends at least partially over all cooling space side walls and a cooling element is assigned to each cooling space side wall.
  • a cooling element is assigned to each cooling space side wall.
  • the cooling elements are advantageously arranged at a distance from one another, insulation means being arranged between the cooling elements.
  • column-like insulation means are provided in all four corners, which extend at least over the length of the corresponding side edge of the cooling elements.
  • rigid foam parts made of polyurethane, expanded polystyrene or expanded polypropylene can be used as insulation means. This has the advantage that there is no direct contact between the evaporator and the refrigerated goods space, so that no cold bridges can arise in the form of cold air.
  • the cooling device expediently has at least one partition, the partition separating the refrigerated goods space from the at least one cooling element.
  • an inner container consisting of four partition walls is particularly suitable.
  • the partition or the inner container are advantageously made of metal, in particular aluminum or an aluminum alloy.
  • the partition or the inner container results in a further separation between the refrigerated goods space and the evaporator, whereby the temperature in the refrigerated goods space can be controlled particularly well.
  • the cooling device particularly preferably has a connection for an external energy source, in particular for a photovoltaic energy source.
  • This connection can also be used to connect another energy source, for example to connect a diesel generator. It is advantageous if the connection is provided with a safeguard against unintentional loosening, for example through carelessness.
  • the cooling device expediently has a second cooling space and a second evaporator assigned to the second cooling space, the second evaporator being connected to the cooling circuit via a valve.
  • a 3-way solenoid valve for example, can be used as the valve.
  • the cooling capacity can thus be switched back and forth between the two cooling spaces. This has the advantage that when the predetermined temperature has already been reached in one cooling space, the energy available can be used to cool the second cooling space.
  • the second cooling space can have a buffer store, the buffer store can be used to cool the refrigerated goods space.
  • the second cooling space can be a freezer compartment in which cooling elements, for example for transporting medical products over short distances, are frozen.
  • the cooling device can furthermore have a second cooling circuit, the second cooling circuit cooling an extra cooling space.
  • the second cooling circuit can be optimized depending on the type of extra cooling space.
  • the extra cooling space can thus have a buffer store, the buffer store being able to be used to cool the refrigerated goods space, or the extra cooling space can also be a freezer compartment.
  • the second cooling circuit can thus be optimally adapted to the requirements.
  • a cooling element 1 with a front side 2, a rear side 3 and four side surfaces 4 is shown.
  • the cooling element On its front side 2, the cooling element has a multiplicity of stiffening elements 5a, which are at least partially connected to the rear side 3 of the cooling element 1 via connecting elements 6.
  • the stiffening elements 5a are arranged in a projection-like manner in a recess 7 on the front side 2 and have a square shape with rounded edges.
  • the cooling element has nine stiffening elements 5b in the circumferential edge area between the front side 2 and the two longer side surfaces 4.
  • the stiffening elements are constructed like a recess and protrude into the respective side surfaces 4 as well as into the front side 2.
  • the cooling element 1 according to the invention is shown with a plate-like insulation element 8 made of polyurethane, which is inserted into the recess 7.
  • the cooling element 1 according to the invention has a valve 9, with which the cooling element 1 can be filled or emptied with coolant.
  • the valve 9 can be implemented, for example, by a screw or bolt lock.
  • the cooling element 1 has a plurality of fastening areas 10, which are used to fasten the cooling element in the cooling space 15 of the cooling device 11 (cf. also Fig. 4 and Fig. 6 ), as well as for attaching the evaporator 13 (cf. Fig. 5 ).
  • the cooling element 1 has four fastening areas 10 to which fastening tabs 19 can be fastened (see FIG Fig. 4 and 5 ).
  • the cooling element 1 shown is made of polyethylene and is produced by rotational molding. However, it is also conceivable that other materials and / or methods are used for production.
  • Fig. 4 shows four cooling elements 1 according to the invention, as shown in FIG Figs. 1 to 3 are shown, which are arranged in a rectangular shape with insulation means 18 in between.
  • the cooling elements 1 are arranged at a distance from one another in such a way that there is no direct contact between the cooling elements 1, an insulating means 18 which keeps the cooling elements 1 at a distance is arranged in each of the four corner regions.
  • the insulation means 18 are designed in the manner of a column and are made in particular from polyurethane.
  • Each insulation means 18 has two side surfaces and a rounded outer surface. In this exemplary embodiment, the side surfaces of the insulation means 18 are not identical, the actual size or geometry resulting from the geometry of the cooling space 15 of the cooling device 11 (see FIG Figs. 6th and 7th ).
  • the cooling elements 1 are arranged in such a way that the front sides 3 with the insulation elements 8 face one another.
  • the insulation means 18 can be fastened to the respectively adjacent cooling elements 1 with an easily detachable adhesive for securing the position, for example.
  • the fastening tabs 19 shown, these extending in a U-shape from the front 2 to the rear 3 of the cooling element.
  • the fastening tabs 19 can have an opening at each end for a fastening means, such as a screw or a pin.
  • a fastening means such as a screw or a pin.
  • four fastening tabs 19 are used per cooling element 1 in this exemplary embodiment, it also being possible to use more or fewer fastening tabs 19.
  • Fig. 5 shows the arrangement of the cooling elements 1, as well as in FIG Fig. 4 shown, the evaporator 13 being shown here.
  • the evaporator 13 comprises four interconnected plates which each lie flat on the flat rear side 3 of each cooling element 1.
  • the evaporator 13 is fastened to the cooling elements 1 by the fastening tabs 19 or the cooling elements 1 are fastened to the evaporator 13 by the fastening tabs 19.
  • Out Fig. 5 It can also be clearly seen that, due to the arrangement of the cooling elements 1 in interaction with the insulation means 18, there is no direct contact between the refrigerated goods space 17 (see FIG Fig. 6 ) and the evaporator 13, so that no cold bridges can establish.
  • a cooling device according to the invention is shown in the form of a freezer 11 with two lockable cooling spaces 15, 20.
  • the cooling spaces 15, 20 can be closed by means of covers 23a, 23b.
  • the lids 23a, 23b are fastened to the freezer body 22 via a hinge and can be fastened via closure means 24.
  • These locking means 24 can be lockable, so that protection against theft can be achieved.
  • FIG. 6 The embodiment shown is the one in Fig. 5
  • the arrangement shown of four cooling elements 1 is already attached in the first cooling space 15.
  • the cooling elements 1 or the evaporator 13 do not extend over the entire depth of the cooling space 15. This results in a cooling goods space 17 which is partially defined by the cooling elements 1 and partially by the cooling space side walls.
  • the second refrigerated goods space 20 (on the right in the figure) is in this exemplary embodiment a freezer compartment in which ice packs or freeze packs (not shown in detail) can be frozen. These ice packs or freeze packs can then be removed if the goods to be cooled have to be transported over limited distances, for example to a patient, so that the cold chain is not interrupted.
  • the freezer 11 shown corresponds to the freezer 11 as in FIG Fig. 6 shown, where in Fig. 7 in addition, the partition walls 21 for the individual cooling elements 1 are shown.
  • the partition walls 21 are designed here in the form of an inner container 21 which rests against the insulation elements 8 of the cooling elements 1.
  • the inner container 21 fulfills the function that the temperature of the refrigerated goods space can be controlled or adjusted even better. Not shown, but in this one Mention should be made of a temperature sensor that records the temperature of the refrigerated goods. This sensor is preferably arranged on the floor of the first cooling space 15.
  • FIG Fig. 8 The schematic structure of the freezer 11 consisting of the freezer body 22, evaporator 13, cooling element 1, insulation element 8 and partition 21 is shown in FIG Fig. 8 shown as a schematic diagram.
  • the evaporator 13 is shielded from the refrigerated goods space 17.
  • Fig. 9 shows the schematic structure of a first (above) cooling circuit 25 and an optional second cooling circuit 31 (below).
  • the first cooling circuit 25 consists of a compressor 12, a condenser 14 and a dryer 28.
  • the dryer 28 can in particular be designed as a filter-dryer.
  • a 3-way valve 27, which is connected to a controller 26, connects to the dryer 28.
  • a 3-way solenoid valve is used in this exemplary embodiment.
  • the 3-way valve 27 is switched by the controller 26 in such a way that either a first evaporator 13 or a second evaporator 29 is activated.
  • the first evaporator 13 can be, for example, the above-described evaporator 13 in the cooling space 15 for cooling the goods to be cooled
  • the second evaporator 29, for example, the in Figures 5 and 6 is assigned to the freezer compartment or second refrigerator 20 shown on the right.
  • the second evaporator 29 can also be assigned to a buffer store (not shown) which is used to cool the refrigerated goods space 17, for example during insufficient solar radiation.
  • a throttle 30 for expanding the refrigerant.
  • the controller 26 is programmed in such a way that the second evaporator 29 is only activated when a sufficiently low temperature has been reached in the refrigerated goods space 17, namely a temperature in the range between + 2 ° C and + 8 ° C.
  • the in Fig. 9 The optional second cooling circuit 31 shown below corresponds essentially to the first cooling circuit 25, the valve and the corresponding control being dispensed with.
  • the second cooling circuit 31 thus consists of a compressor 12, a condenser 14, a dryer 28, a throttle 30 and an evaporator 32.
  • the second cooling circuit 31 can, for example, cool a buffer store as described above or also to cool the freezer compartment or second cooling space 20 can be used.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (17)

  1. Elément de refroidissement (1) destiné à être utilisé dans un dispositif de refroidissement ayant une face avant (2) et une face arrière (3) et quatre faces latérales (4),
    dans lequel la face arrière (3) de l'élément de refroidissement est sensiblement plane et la face avant (2) a des éléments de renforcement (5), dans lequel les éléments de renforcement (5) empêchent la déformation de l'élément de refroidissement (1) pendant le refroidissement et la congélation,
    et dans lequel l'élément de refroidissement (1) a un évidement (7) sur la face avant (2), caractérisé en ce que
    l'élément de refroidissement (1) présente un élément isolant en forme de plaque (8) qui peut être inséré dans l'évidement (7), et
    l'élément isolant (8) est en mousse plastique ou est un élément sous vide.
  2. Elément de refroidissement (1) selon la revendication 1,
    où
    les éléments de renforcement (5) présentent des éléments de liaison (6), les éléments de liaison (6) reliant la face avant (2) et la face arrière (3).
  3. Elément de refroidissement (1) selon la revendication 1 ou 2,
    où
    l'élément de refroidissement (1) présente des éléments de renforcement (5) dans la périphérie autour entre la face avant (2) et les faces latérales (4), les éléments de renforcement (5) faisant saillie dans la face avant (2) et dans le faces latérales (4).
  4. Elément de refroidissement selon l'une quelconque des revendications précédentes,
    où
    l'élément de refroidissement (1) sur une face latérale (4) comporte une soupape (9) pour remplir et décharger l'élément de refroidissement (1).
  5. Elément de refroidissement (1) selon la revendication 4,
    où
    l'élément de refroidissement (1) peut être rempli d'un liquide de refroidissement, en particulier de l'eau.
  6. Dispositif de refroidissement (1), en particulier un congélateur, ayant au moins un circuit de refroidissement (25), dans lequel le circuit de refroidissement (25) a un compresseur (12), un évaporateur (13) et un condenseur (14) et un espace de refroidissement pouvant être fermé (15) avec une pluralité de parois latérales de l'espace de refroidissement, une base de l'espace de refroidissement et un espace pour refroidir des marchandises (17),
    et au moins un élément de refroidissement (1) selon l'une quelconque des revendications précédentes,
    où
    l'évaporateur (13) et l'élément de refroidissement (1) sont disposés dans l'espace de refroidissement (15) de telle sorte que la face arrière (3) de l'élément de refroidissement (1) s'adapte à l'évaporateur (13) et la face avant (2) fait face à l'espace pour refroidir les marchandises (17).
  7. Dispositif de refroidissement (11) selon la revendication 6,
    où
    l'évaporateur (13) s'étend au moins partiellement sur toutes les parois latérales de l'espace de refroidissement et un élément de refroidissement (1) est affecté à chaque paroi latérale de l'espace de refroidissement.
  8. Dispositif de refroidissement (11) selon la revendication 7,
    où
    les éléments de refroidissement (1) sont disposés de manière espacée, des moyens d'isolation (18) étant disposés entre les éléments de refroidissement (1).
  9. Dispositif de refroidissement (1) selon l'une quelconque des revendications 6 à 8,
    où
    le dispositif de refroidissement (11) a au moins une paroi de séparation (21), la paroi de séparation (21) séparant l'espace pour refroidir les marchandises (17) du au moins un élément de refroidissement (1).
  10. Dispositif de refroidissement (11) selon l'une quelconque des revendications 6 à 9,
    où
    le dispositif de refroidissement (11) a une connexion pour une source d'énergie externe, en particulier une source d'énergie photovoltaïque.
  11. Dispositif de refroidissement (11) selon l'une quelconque des revendications 6 à 10,
    où
    le dispositif de refroidissement (11) a un contrôleur (26), le contrôleur (26) maintenant la température de l'espace pour refroidir les marchandises dans une plage comprise entre 2 ° C et 8 ° C.
  12. Dispositif de refroidissement (11) selon l'une quelconque des revendications 6 à 11,
    où
    le dispositif de refroidissement (11) a un second espace de refroidissement (20) et un second évaporateur (29) affectés au second espace de refroidissement (20), dans lequel le second évaporateur (29) est connecté au circuit de refroidissement (25) via une vanne (27).
  13. Dispositif de refroidissement (11) selon la revendication 12,
    où
    le deuxième espace de refroidissement (20) a un réservoir de stockage, le réservoir de stockage pouvant être utilisé pour refroidir l'espace de refroidissement des marchandises (17).
  14. Dispositif de refroidissement (11) selon la revendication 12,
    où
    le deuxième espace de refroidissement (20) est un compartiment de congélation.
  15. Dispositif de refroidissement (11) selon l'une quelconque des revendications 6 à 14,
    où
    le dispositif de refroidissement (11) a un deuxième circuit de refroidissement (31), dans lequel le deuxième circuit de refroidissement (31) refroidit un espace de refroidissement supplémentaire.
  16. Dispositif de refroidissement (11) selon la revendication 15,
    où
    l'espace de refroidissement supplémentaire a un réservoir de stockage, le réservoir de stockage pouvant être utilisé pour refroidir l'espace de refroidissement des marchandises (17).
  17. Dispositif de refroidissement (10) selon la revendication 15,
    où
    l'espace de refroidissement supplémentaire est un compartiment de congélation.
EP12758463.9A 2011-12-20 2012-09-10 Elément de refroidissement et dispositif de refroidissement Active EP2795210B1 (fr)

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DE102011121552 2011-12-20
PCT/EP2012/067606 WO2013091913A1 (fr) 2011-12-20 2012-09-10 Elément de refroidissement et dispositif de refroidissement

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CN104081139A (zh) 2014-10-01
AU2012359095B2 (en) 2015-12-03
US20140338390A1 (en) 2014-11-20
AU2012359095A1 (en) 2014-07-10
KR20140113946A (ko) 2014-09-25
US9976790B2 (en) 2018-05-22
EP2795210A1 (fr) 2014-10-29
HK1199923A1 (en) 2015-07-24
KR101762690B1 (ko) 2017-07-28
CN104081139B (zh) 2016-06-29
WO2013091913A1 (fr) 2013-06-27
DK2795210T3 (da) 2021-06-28

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