EP3108190A1 - Appareil de réfrigération - Google Patents

Appareil de réfrigération

Info

Publication number
EP3108190A1
EP3108190A1 EP14704596.7A EP14704596A EP3108190A1 EP 3108190 A1 EP3108190 A1 EP 3108190A1 EP 14704596 A EP14704596 A EP 14704596A EP 3108190 A1 EP3108190 A1 EP 3108190A1
Authority
EP
European Patent Office
Prior art keywords
cooling
cooling device
cold storage
evaporator
storage
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
EP14704596.7A
Other languages
German (de)
English (en)
Other versions
EP3108190B1 (fr
Inventor
Jeannot DEMUTH
Igor NIKOLAJEW
Nico Girrens
Andreas Hoffmann
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
Original Assignee
Dometic SARL
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 Dometic SARL filed Critical Dometic SARL
Publication of EP3108190A1 publication Critical patent/EP3108190A1/fr
Application granted granted Critical
Publication of EP3108190B1 publication Critical patent/EP3108190B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/16—Holders for containers
    • A61J1/165—Cooled holders, e.g. for medications, insulin, blood, plasma
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/022—Baskets
    • 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
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/005—Devices using other cold materials; Devices using cold-storage bodies combined with heat exchangers
    • 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
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • F25D3/08—Movable containers portable, i.e. adapted to be carried personally
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J2200/00—General characteristics or adaptations
    • A61J2200/40—Heating or cooling means; Combinations thereof
    • A61J2200/44—Cooling means
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • 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
    • F25D2303/08221—Fasteners or fixing means for 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
    • F25D2303/084—Position of the cold storage material in relationship to a product to be cooled
    • F25D2303/0843—Position of the cold storage material in relationship to a product to be cooled on the side of the product
    • 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
    • F25D2303/084—Position of the cold storage material in relationship to a product to be cooled
    • F25D2303/0845—Position of the cold storage material in relationship to a product to be cooled below the product
    • 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/02—Refrigerators including a heater

Definitions

  • the present invention relates to a cooling device, in particular a freezer, with a cooling circuit, wherein the cooling circuit is a compressor, at least one evaporator and a
  • Condenser and a closable cooling chamber having a plurality of kuhiraumsei- walls, a cold room floor, at least one cooling element and a Isolierbeffleiter, wherein the evaporator and the cooling element are arranged within the cooling space, that a first side of the cooling element at least partially abuts the evaporator, and a second side of the cooling element facing the Isolierbereheatiter, and the Isolierbeffleiter is closed at least to the at least one cooling element and forms adegutraum.
  • cooling devices are used in remote areas, in particular in developing countries, in which a stable and secure and continuous energy supply, for example, can not be guaranteed via a power grid. Nevertheless, especially in these areas, in which extreme climatic conditions usually prevail, an uninterrupted cold chain for foodstuffs and in particular medical products, such as vaccines or blood products, is indispensable. In particular, the handling and storage of the latter products within the manufacturer conditions to maintain the usability and effectiveness of the products is often difficult, which is considered a cause of the extremely poor living conditions of people living there and significantly contributes, inter alia, to high mortality rates.
  • the World Health Organization has therefore established a catalog of minimum criteria to be met by the refrigeration equipment used for the transport and storage of medical products.
  • insulated boxes with ice bags or so-called freeze packs have established themselves for transport over short distances, by means of which the necessary cooling of the stored substances can be ensured at least during the short-term transport.
  • the storage of medical products is subject to stricter requirements.
  • the cooling temperature must not be more than plus 8 degrees Celsius and not less than plus 2 degrees Celsius, especially for various vaccines.
  • sufficient cooling of at least three days must be ensured even in the event of a power failure.
  • electric cooling devices with or without cooling elements or battery-powered cooling elements into consideration.
  • the solution of the problem is achieved with a cooling device according to claim 1.
  • Advantageous developments are described in the subclaims.
  • the cooling device according to the invention is distinguished from the cooling devices known from the prior art in that the at least one evaporator first side of the cooling element has at least one recess into which at least one removable Kältespeieher can be used, and further that the insulating container preferably in Has at least one heating element and at least one storage element region of its downwardly facing end.
  • the at least one recess into which the at least one removable cold storage can be used is disposed on the at least one evaporator adjacent first side of the cooling element, and the at least one removable cold storage directly on at least one evaporator over a large area, whereby a good energy flow is given by the at least one removable cold storage on the at least one evaporator.
  • a quick freezing of the ingredient is achieved and the at least one removable Kilte elections is short term entnähme- and ready for use.
  • the refrigerated goods space can be uniformly tempered with the at least one heating element and the at least one storage element provided preferably in the region of the downwardly pointing end of the insulated container, since the heat generated therefrom is from bottom to top can ascend in yergutraum.
  • a temperature in the required range of preferably + 2 ° to + 8 ° C is applied, especially when the ingredient of the at least one cold storage is frozen and an additional cooling flow to thedegutraum exerts.
  • the cooling device thus provides a compact and simple construction with an extended storage capacity and small dimensions, with a single cooling circuit both the freezing and storage of removable cold storage but also the storage of sensitive refrigerated goods, eg, vaccines, within the guaranteed temperature limits indegutraum guaranteed. Since, moreover, in the energy-free time, in particular, the at least one storage element avoids excessive cooling of the refrigerated goods space, it is also possible to dispense with hit-type batteries for the operation of a heating system. This in turn increases the reliability of the cooling device and solves the disposal problem of the auxiliary batteries.
  • the region within the cooling space and outside of the cooling goods space forms a freezing zone and the cooling goods space forms a cooling zone in which a refrigerated goods to be cooled can be stored.
  • the insulating container as well as the at least one heating element and / or the at least one storage element protect it from excessive cooling.
  • Under a freezing zone is understood to mean a region in which the temperature is well below the freezing point, as long as the cooling device is supplied with energy.
  • the cooling zone corresponds to thedegutraum, in which there is a required for the storage of the refrigerated goods optimum temperature within the cooling device.
  • the design of the cooling space as a freezing zone has the advantage that the at least one cooling element arranged there on the evaporator and / or the at least one removable cold storage can be cooled very strongly and directly as long as energy is available for the cooling device. Subsequently, during the energy-free period, the at least one cooling element and / or the at least one removable cold storage can then cool the refrigerated goods space the longer the at least one cooling element and / or the at least one removable cold storage has been previously cooled.
  • the temperature in the refrigerated goods space can be controlled in an advantageous manner by a cooperation of at least the insulating container and the at least one heating element and / or the at least one storage element, preferably adjustable in the range of a defined minimum temperature.
  • the at least one heating element can preferably be operated electrically and have a control. This ensures that a required minimum temperature in the refrigerated goods compartment is not undershot. Since the operation of a cooling device according to the invention takes place above all in developing countries, offers an electrically operated heating element, since as the heating element and the cooling device can be operated as an alternative to mains there also by means of alternative energy sources, such as photovoltaic or wind power.
  • the at least one storage element is preferably designed as a latent heat storage, which is designed such that it emits the stored heat energy in thedegutraum when falling below the required minimum temperature. This ensures that the required minimum temperature in the refrigerated goods compartment is not undershot. will be.
  • the latent heat accumulator according to the invention is characterized in that it is filled with a Phasen promptmateriai which merges at a material-specific temperature from the liquid to a crystalline state and thereby emits heat of crystallization.
  • the latent heat storage can be designed so that the phase change material located in it crystallized when falling below the required minimum temperature and thereby emits heat of crystallization in theisserraum.
  • the crystallization of Phasenwechseimaterials is merely a function of temperature "can prevent falls below the required minimum temperature during a energielo- sen time at least one storage element.
  • Another advantage of using a latent heat storage is that the crystallization of the phase change material is reversible. That is, by the supply of energy, the crystals formed on cooling can be dissolved and the latent heat storage are returned to its original state.
  • the charging of the latent heat accumulator can be effected by the at least one heating element, preferably arranged below the at least one latent heat accumulator. Since the temperature of the latent heat accumulator does not increase significantly during the melting of the phase change material, the use of a latent heat accumulator also avoids an excessive supply of heat into the refrigerated goods space during the operation of the at least one heating element.
  • the refrigerated goods are stored in the refrigerated goods space in a storage facility, preferably in the form of a mesh basket.
  • the storage device prevents direct contact of the refrigerated goods with the insulated container and with the at least one heating element and the at least one storage element.
  • the removal of the refrigerated goods is facilitated. Since the insulated container separates the cooling zone from the freezing zone, it can be used in the
  • the use of the storage device preferably in the form of a grid basket for storage of the goods to be cooled prevents direct contact of the goods to be cooled with the Isolierbereheatiter and an associated below the required minimum temperature in the refrigerated goods.
  • a contact of the goods to be cooled with the at least one heating element and at least one storage element is also effectively avoided, since local heating of the at least one heating element and at least one storage element can cause the goods to be cooled too strongly heated in contact, insofar supports the use of the storage facility for storage of the refrigerated goods inharigutraum a uniform temperature of the refrigerated goods.
  • the cooling device the refrigerated goods to at least one heating element and / or the at least one storage element by a Spaced within thedegutraums spaced grid stored.
  • a Spaced within thedegutraums spaced grid stored.
  • Such an arrangement ensures that the goods to be cooled have no direct contact with the at least one heating element and / or with the at least one storage element.
  • the provision of a spacer grid according to the invention prevents the unauthorized removal of the at least one heating element and / or the at least one memory element. This avoids incorrect operation, for example a confusion of the at least one heating element and / or the at least one storage element with a removable cold storage and consequently prevents the temperature in the refrigerated goods space from falling below the required minimum temperature.
  • the at least one cooling element and / or the at least one removable cold storage with a substance, preferably a liquid such as water or a eutectic medium is bephililbar.
  • a substance preferably a liquid such as water or a eutectic medium
  • the at least one cooling element and / or the at least one removable bare cold storage can be emptied and refilled via a resealable opening.
  • the at least one cooling element and / or the at least one removable cold storage is preferably designed as a hollow body.
  • the volume of the at least one cooling element and / or the at least one removable cooling reservoir is Chers chosen such that after filling the at least one cooling element and / or the at least one removable Käite arrivess with the predefined amount of the substance inevitably results in serving as an expansion space for the freezing dead volume.
  • the filling of the at least one cooling element and / or the at least one removable cold accumulator if the resealable opening is arranged vertically on the at least one cooling element and / or the at least one removable cold accumulator, that during filling inevitably results in the required dead volume. It serves as an expansion space for the freezing water or eutectic medium and effectively excludes overfilling. In this way, deformation of the at least one cooling element and / or the at least one removable cold accumulator during freezing of the water or the electric medium and thus a deterioration of the heat conduction to the evaporator of the cooling device is avoided.
  • the at least one removable cold storage can be used with a cold storage holder in the at least one recess of the at least one cooling element and removed from this again.
  • the use of a cold storage holder facilitates the removal and replacement of the at least one removable karite Itemss, since this can often be surrounded by a fine layer of ice in the frozen state, which makes its surface particularly smooth and slippery and thus complicates manipulation by the user.
  • the cold storage holder is designed as an elastic spring element such that the cold storage holder elastically resiliently against a first side of at least one removable cold storage against the at least one evaporator at least partially, preferably over the entire surface Plant brings.
  • This arrangement ensures the greatest possible contact area between the at least one removable cold storage and the evaporator.
  • the cooling of the at least one removable cold storage by the at least one evaporator improves.
  • the cold storage holder may have at its upper end a holding section on which the cold storage holder can be manipulated by the user of the cooling device or used to insert the at least one removable cold storage in the at least one recess or to be taken from this.
  • the holding section at the upper end of the cold storage holder facilitates the removal of the at least one removable cold storage, if this is introduced together with the cold storage holder in the at least one recess of the at least one cooling element.
  • the at least one cooling element may have at least one recess for receiving at least one retaining means at its upper edge and / or lower edge.
  • the holding means is preferably designed as an elastic spring element such that the holding means the first side of the at least one cooling element elastically resiliently against the at least one evaporator at least partially, preferably over the entire surface brings to bear.
  • the elastically resilient attachment of the at least one cooling element to the evaporator effectively prevents deformation of the evaporator during freezing of the at least one cooling element.
  • a direct and continuous contact with the evaporator is again ensured during the subsequent thawing by the spring force. Accordingly, the cooling of the at least onedeiementes improved by the at least one evaporator.
  • the at least one recess has for receiving the at least one cooling element inclined side surfaces and an inclined bottom surface. Possibly occurring condensate thus flows safely to the lowest point of the at least one recess and can not accumulate in the at least one recess.
  • the inclined side surfaces and the inclined bottom surface cause that during operation of the cooling device with numerous freeze and thaw cycles, no moisture from the air on the cold surfaces of the at least one cooling element and / or at least one removable cold storage in the form of condensation can accumulate. Rather, it can flow down from controlled downwards.
  • the targeted and controlled removal of condensed water can effectively prevent freezing of the at least one removable cold accumulator in the at least one recess.
  • the first side of the cooling element has at least one preferably vertically arranged grooves, through which the condensation water occurring in the at least one recess can preferably flow downwards.
  • the inclined side surfaces and the inclined bottom surface incline toward the groove to ensure complete drainage of the condensate.
  • the at least one cooling element can be secured by means of a cover frame which can be attached to the upper edge of the cooling space.
  • the cover frame has at least one opening for access on and the removal of the at least one removable cold storage on.
  • the cover frame also connects to the insulated container so that heat transfer from the cooling zone into the freezing zone is avoided.
  • FIG. 1 is a perspective view of a cooling device according to the invention
  • FIG. 2 is a perspective view of a cooling device according to the invention with refrigerated goods
  • FIG. 4 is a front perspective view of a cooling element according to the invention and a removable cold storage and a cold storage holder,
  • FIG. 5 is a perspective rear view of a cooling element according to the invention and a removable cold storage and a cold storage holder
  • Fig. 6 is a detailed perspective view of the insulating container according to the invention with heating element and storage elements and
  • FIG. 7 shows a perspective view of a removable cold accumulator according to the invention.
  • the cooling device 1 according to the invention shown in FIG. 1 is designed in the form of a freezer 2.
  • the freezer 2 is composed of a freezer carcass body 45, which is closed by a cover 41 and can be closed with this.
  • In the interior of the freezer 2 there is a cold room 6.
  • the freezer 2 has an insulated container 10 arranged in the interior of the cold room 6, which separates the refrigerated goods room 3 from the cold room 6.
  • the area between the insulating container 10 and the cooling space 6 is closed off at the upper edge of the cooling space 33 by a cover frame 34.
  • the cover frame 34 also has a plurality of openings 35 through which a respective removable cold storage 15 located therein can be removed by means of a cold storage holder 27. Notwithstanding the illustrated embodiment, the cooling device 1 can also have more or fewer openings 35 and can be removed Have cold storage 15, wherein the cover 34 then has the number of enthyroid ble cold storage 15 corresponding number of openings 35.
  • FIG. 2 shows the embodiment of a cooling device 1 shown in FIG. 1, wherein a bearing device, designed as a mesh basket 22 in the present exemplary embodiment, is introduced into the cooling goods space 13.
  • the storage device can also be designed in the form of panels or in a similar suitable form.
  • the storage facility is removable.
  • the refrigerated goods 21 ⁇ schematic representation) is introduced into the storage facility.
  • the cooling device 1 according to the invention according to FIG. 3 consists of a freezer 2 which has a cold room 6 which is delimited by four cold room side turns 7, the cold room bottom 8 and a closable lid 40.
  • an evaporator 5 is arranged so that they cover the cooling chamber 6 facing surface of the refrigerator side walls 7.
  • the cooling device 1 shown in the exemplary embodiment has an evaporator 5.
  • the cooling device 1 has four cooling elements 9. These are fastened by Haiteklammern 38 in the mounted state on the surface of the evaporator 5.
  • the cooling chamber 8 of the present embodiment eight removable cold storage 15 and eight associated cold storage holder 27. Other numbers are however conceivable. According to the number of removable cold storage 15 eight openings 35 are provided in the cover 34.
  • the refrigerated goods space 13 is further separated from an insulated to the four cooling elements 9 insulating container 10.
  • the upper and lower ends of the insulating container 10 have openings. In the region of the lower end 16 of the insulating container 10, a spacer grid 23 is arranged.
  • the cooling device 1 has the storage device in the form of a mesh basket 22, which is inserted into the cooling space 13.
  • FIG. 4 shows a cooling element 9 together with two associated removable cold accumulators 15 and cold storage holders 27.
  • the illustrated embodiment of the cooling elements 9, the removable cold storage 15 and cold storage holder 27 corresponds to the embodiment shown in Figure 1 to Figure 3.
  • the cooling element 9 has on the first side 11, in the present embodiment, the back 11 of the cooling element 9, two recesses 14. In the recesses 14, one of the two removable cold storage 15 are each used together with one of the two cold storage holder 27.
  • the cooling element S according to the invention has inclined side surfaces 31 and an inclined bottom surface 31 in each of the recesses 14. On the inclined surfaces 31 close on the back 11 of the cooling element 9, each recess 14, a vertical groove 32 at.
  • the inclination of the inclined surfaces 31 is selected such that the condensate collecting in the recess 14 flows in the direction of the vertical groove and can flow away through the vertical groove 32 in the direction of the lower edge of the cooling element 29.
  • 9 three recesses 30 can be seen at the upper edge 28 of the cooling element, in each of which a holding means, formed here in the form of a retaining clip 38, engages. The visible at the lower edge 29 of the cooling element 9 retaining clip 38 also engages in a recess 30 at the bottom
  • the cooling element 9 is fixed during assembly, wherein, the back 11 of the cooling element 9, the evaporator 5 faces.
  • the retaining clips 38 are made of a sheet metal, so that the retaining clips 3 press the cooling element 9 in an elastically resilient manner against the evaporator 5, and thus the
  • FIG. 5 shows a cooling element 9 according to the invention together with two associated removable cold accumulators 15 and cold storage holders 27 corresponding to the exemplary embodiment described in FIGS.
  • the front side of the cooling element 12 being shown in FIG.
  • four recesses 30 are provided, in each of which a holding means 38 engages to secure the cooling element 9 to the evaporator 5.
  • the cooling element 9 in the illustrated embodiment has three recesses 30 at its upper edge 28 of the cooling element 9.
  • the not visible in Figure 4 recess 30 at the bottom of the cooling element 29 is now visible in Figure 5.
  • the existing on the back 11 of the cooling element 9 two recesses 14 can be seen, each of which can take a removable cold storage 15 and a cold storage holder 27.
  • the central recess 30 of the recesses 30 arranged at the upper edge 28 of the cooling element 9 has a resealable opening 25, through which the cooling element 9 can be filled with water or an electrical medium 24.
  • the resealable opening 25 is lower than the upper edge 28 of the cooling element 9, so that a Toivolumen 26 forms above the Miverschl admirbaren opening 25. This will increase the maximum fill veau 39 of the cooling element 9 defined.
  • This dead volume 26 serves the water or the elektica medium 24 when freezing as an expansion space.
  • a holding section 42 can be seen, in which the user of the cooling device 1 can grip the cold storage holder 27 ergonomically.
  • the cooling device 1 has four storage elements 18 which, when the minimum temperature in the refrigerated goods space 13 falls below the stored heat in thedegutraum 13.
  • a spacer grid 23 is mounted above the storage elements 18.
  • the storage elements 18 are held in the cooling device 1 in a receiving plate 37. Below the receiving plate 37 is a heating element 17.
  • electrically operated heating element 17 ensures that, as long as energy is available for the operation of the cooling device 1, on the one hand, the storage elements 18 are sufficiently charged with heat, to below the minimum temperature indiumgutraum 13 during the energy-free time to avoid. On the other hand, the heating element 17 ensures that the minimum temperature in the refrigerated goods compartment 13 is not undershot by the evaporator 5, cooling elements 9 and removable cold storage 15 arranged around the insulated container in the freezer compartment 19, as long as electrical energy is available.
  • FIG. 7 shows a removable karite Albany 15 according to the invention. It can be seen that this removable cold storage 15 has a resealable opening 25, via which the cold storage 5 can be filled with water or a eutectic medium 24. Since the resealable opening 25 is lower than the highest point in the interior of the removable cold storage, this results in a maximum filling level 39, which ensures at the same time above the maximum filling level 39, a dead volume 28, which upon freezing of the water or eutectic medium 24 as Expansion room serves. LIST OF REFERENCES 1: Cooling device
  • Cooling circuit (not shown)

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un appareil de réfrigération (1), en particulier un congélateur bahut (2), comprenant un circuit de réfrigération (3), un compresseur (4), au moins un évaporateur (5) et un condenseur (44), ainsi qu'un compartiment de réfrigération (6) qui peut être fermé et qui présente une pluralité de parois latérales de compartiment de réfrigération (7), un plancher de compartiment de réfrigération (8), au moins un élément de réfrigération (9) et un récipient isolant (10). Dans l'appareil de réfrigération (1), l'évaporateur (5) et l'élément de réfrigération (9) sont disposés à l'intérieur du compartiment de réfrigération (6) de telle sorte que le côté arrière de l'élément de réfrigération (11) est en contact au moins partiellement avec l'évaporateur (5) et que le côté avant de l'élément de réfrigération (12) est dirigé vers le récipient isolant (10), et le récipient isolant (10) est fermé au moins en direction du ou des éléments de réfrigération (9) et forme un compartiment de marchandise à réfrigérer (13). Le côté arrière de l'élément de réfrigération (11) en contact avec l'évaporateur (5) présente au moins un évidement (14) dans lequel au moins un accumulateur de froid amovible (15) peut être logé. Dans une construction préférée, au moins un élément chauffant (17) et au moins un élément accumulateur (18) sont disposés dans la région de l'extrémité (16) du récipient isolant (10) qui pointe vers le bas.
EP14704596.7A 2014-02-17 2014-02-17 Dispositif de refroidissement Active EP3108190B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/053009 WO2015120911A1 (fr) 2014-02-17 2014-02-17 Appareil de réfrigération

Publications (2)

Publication Number Publication Date
EP3108190A1 true EP3108190A1 (fr) 2016-12-28
EP3108190B1 EP3108190B1 (fr) 2020-01-15

Family

ID=50112920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14704596.7A Active EP3108190B1 (fr) 2014-02-17 2014-02-17 Dispositif de refroidissement

Country Status (7)

Country Link
US (1) US10508854B2 (fr)
EP (1) EP3108190B1 (fr)
KR (1) KR20160121539A (fr)
CN (1) CN106233083B (fr)
AU (1) AU2014382728A1 (fr)
DK (1) DK3108190T3 (fr)
WO (1) WO2015120911A1 (fr)

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Also Published As

Publication number Publication date
EP3108190B1 (fr) 2020-01-15
KR20160121539A (ko) 2016-10-19
US10508854B2 (en) 2019-12-17
US20170023290A1 (en) 2017-01-26
DK3108190T3 (da) 2020-04-06
CN106233083B (zh) 2019-07-16
AU2014382728A1 (en) 2016-08-18
CN106233083A (zh) 2016-12-14
WO2015120911A1 (fr) 2015-08-20

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