EP3264013B1 - Appareil de froid ayant une fonction de congélation rapide - Google Patents

Appareil de froid ayant une fonction de congélation rapide Download PDF

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Publication number
EP3264013B1
EP3264013B1 EP17175690.1A EP17175690A EP3264013B1 EP 3264013 B1 EP3264013 B1 EP 3264013B1 EP 17175690 A EP17175690 A EP 17175690A EP 3264013 B1 EP3264013 B1 EP 3264013B1
Authority
EP
European Patent Office
Prior art keywords
ice
refrigeration appliance
ice maker
goods carrier
cold air
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
EP17175690.1A
Other languages
German (de)
English (en)
Other versions
EP3264013A1 (fr
Inventor
Frank Cifrodelli
Hanna KÖZLE
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL17175690T priority Critical patent/PL3264013T3/pl
Publication of EP3264013A1 publication Critical patent/EP3264013A1/fr
Application granted granted Critical
Publication of EP3264013B1 publication Critical patent/EP3264013B1/fr
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Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/20—Distributing ice
    • F25C5/22—Distributing ice particularly adapted for 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
    • F25D2317/061—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 through special compartments
    • 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
    • F25D2331/803—Bottles
    • 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
    • F25D2400/30—Quick freezing

Definitions

  • the present invention relates to a refrigeration device with a quick freezing function.
  • a refrigeration device is understood here in particular as a household refrigeration device, i.e. a refrigeration device that is used for housekeeping in households or possibly also in the catering sector and in particular serves to store food and / or beverages in normal household quantities at certain temperatures, such as a refrigerator, a freezer, fridge-freezer, freezer or wine storage cabinet.
  • Today's household refrigerators are often equipped with a function that allows the rapid freezing of even larger quantities of food by significantly lowering the temperature of the freezer compartment compared to the temperature in normal operation through longer compressor operating times and possibly also the duty cycle of a cold air between the freezer compartment and one of the Freezer compartment separate evaporator chamber circulating fan is increased.
  • this function which is often referred to as super operation or super freezing, has hardly any noticeable influence on the quality of the defrosted food, since the required freezing speeds are not achieved.
  • the DE 10 2006 005548 A1 discloses a refrigeration device with a nozzle which directs a stream of cold air onto goods at a specific position.
  • the US 2005/241329 A1 discloses a refrigeration device with an ice-making device with a plurality of shaped trays for ice cubes lying one on top of the other.
  • JP H02 89979 A and JP H06 11228 A show further prior art.
  • the ice maker has a holder in which a frozen food carrier can be mounted.
  • a frozen food carrier small amounts of food can be exposed to the cold air flow that is otherwise used for making ice in the ice maker and thus frozen at a similarly high freezing speed as when making ice.
  • the costs of such a measure are low, since the only additional component that has to be provided is the frozen food carrier and otherwise adjustments in the control of the ice maker may be necessary in order to be able to apply cold air to it even when no ice is being produced.
  • the frozen food carrier can be designed as a tray, plate or grate. Since, depending on the type of food to be frozen, different configurations of the Frozen goods carriers are advantageous, several different frozen goods carriers can be added as accessories to the refrigeration device according to the invention.
  • a plate is ideal for compact frozen food such as fruit, while a bowl helps prevent light frozen food such as herbs from being blown away by the stream of cold air.
  • a grate - which can be flat or bowl-shaped - also facilitates access of cold air to the frozen food from the underside. The grate can also cover the frozen food on the top so that it cannot fall out even if the grate is moved in the interests of a more even cooling effect.
  • the frozen food carrier can also be shaped in order to be able to store and cool bottle-shaped containers lying flat.
  • at least one elongated recess can be provided in particular on the bottom of the refrigerated goods carrier.
  • the frozen goods carrier or a bottle-shaped container mounted in the frozen goods carrier can be pivotable about a longitudinal axis.
  • a motor can be provided to automate the pivoting movement of the frozen food carrier or the container.
  • the cooling output of the cold air flow should at least be switchable between different outputs. Such a switchover can take place in various ways.
  • the evaporation temperature in an evaporator, on which the air circulated by the above-mentioned cold air blower is cooled, or the temperature of the circulated air can be reduced via the output of the cold air blower and that which depends on it
  • the duration of the stay at the evaporator can be influenced, the cold air flow can be throttled more or less strongly via a valve, or hot air can be mixed into it in a variable amount.
  • a timer can expediently be provided which is set up to trigger after a defined operating time of the ice maker.
  • the timer can be used to emit an audible or visual warning signal, which draws the user's attention to the fact that the frozen food that has been loaded is frozen and can be removed, or that a loaded bottle has cooled down to drinking temperature and should be removed to prevent the Content to avoid. Since such a timer enables bottles to be cooled down safely even when the temperature of the cold air flow is low, it can make the above-mentioned switching of the cooling capacity superfluous.
  • the timer can also be used to automatically switch between different cooling capacities, on the one hand to quickly cool a bottle initially with high output, but then to keep it at a temperature above 0 ° C.
  • the operating time after which the timer is triggered can be preset or can be set by the user at the start of a cooling process.
  • the ice maker comprises an ice tray in which recesses for forming pieces of ice are preformed, and a collecting container into which the finished pieces of ice are transferred from the ice tray, preferably automatically.
  • an intermediate space is provided in the ice maker between a space occupied by the ice tray when the ice maker is in use and a space occupied by the finished pieces of ice in order to accommodate the frozen food carrier.
  • the cold air fan according to the invention has a nozzle opening into this intermediate space.
  • a holder is provided on the ice maker in the form of guide ribs which extend on the side walls of an ice maker housing and on which a frozen food carrier engaging into the space is mounted such that it can be pulled out. Frozen food lying on the frozen food carrier is directly exposed to a cold air flow from a fan via the nozzle and freezes at high speed.
  • a quick freeze operating mode of the ice maker can be selected for this purpose on a user interface (not shown) of the refrigeration device, in which a refrigeration machine of the refrigeration device and the fan after activation during a preset or by the user run continuously for a selectable limited period of time without water being let into the ice tray beforehand.
  • the ice tray should be removable or movable, be it in order to be able to create additional space for frozen goods in the above-mentioned case of the frozen food carrier arranged in the intermediate space or, in the case of a compact ice maker that does not offer sufficient space for the frozen goods carrier, to make room for it create.
  • the collecting container can also be removable in order to create space for the frozen food carrier. By removing the collecting container, more space can be created than by removing the ice tray, since the capacity of the collecting container normally corresponds to more than an ice tray.
  • the holder of the ice tray can be pivoted by a motor in order to eject finished pieces of ice from the ice tray into the collecting container in a manner known per se, then the same motor can, if desired, also be used to pivot the frozen food carrier mounted in the holder.
  • a motor for pivoting the frozen food carrier can be part of an assembly which is inserted into the ice maker instead of the collecting container.
  • the collecting container - usually open at the top - can itself form the holder for the frozen food carrier.
  • the cold air fan can comprise an adjustable nozzle or two interchangeable nozzles for optionally blowing on the ice tray and the frozen food carrier.
  • the invention also relates to a method for rapid freezing a foodstuff, in particular individual fruits, in which the foodstuff is exposed to a stream of cold air in an ice maker of a household refrigerator.
  • Fig. 1 shows a refrigeration device 1 with an open door 2 and an interior 3.
  • the interior is divided into two storage compartments, a normal refrigerator compartment 4 and a freezer compartment 5.
  • the cooling space 4 is usually divided by at least one height-adjustable shelf 6.
  • An ice maker 7 is located in the cooling space 4.
  • Normal cooling compartment 4, freezer compartment 5 and ice maker 7 are supplied by a fan with cold air from an evaporator chamber not visible in the figure, for example on a rear wall of the refrigerator 1.
  • Fig. 2 shows an ice maker in which the frozen food carrier has been removed to explain the function of the ice maker.
  • An upper part of the ice maker 7 is formed here by a technology module 8 which, in a manner known per se, has a swiveling ice tray 10, a water outlet with a solenoid valve for dosing fresh water into the ice tray and a motor 11 for swiveling the ice tray and ejecting the finished pieces of ice the ice tray 10 comprises.
  • a lower part is formed by a pull-out collecting container 9 which extends under the ice tray 10 in order to collect the pieces of ice falling out of the pivoted ice tray 10.
  • the technology module 8 here also includes a fan 12 which, when the ice maker 7 is in operation, sucks in cold air from the evaporator chamber and blows it through a nozzle 13 into an intermediate space 14 between the ice tray 10 and the collecting container 9 To freeze water in the ice tray 10 and to keep ice present in the collecting container 9 frozen.
  • the fan can also be arranged outside the ice maker 7; In addition to the ice maker 7, such an external fan can also supply the cooling space 4, freezer compartment 5, preferably controlled by flaps, with cold air.
  • a holder 15 in the form of itself on side walls of an ice maker housing is on the ice maker 7 according to the invention extending guide ribs is provided on which a frozen food carrier 16 engaging in the intermediate space 14 is mounted such that it can be pulled out.
  • Frozen food 17 lying on the frozen food carrier 16 is directly exposed to a stream of cold air from the fan 12 via the nozzle 13 and freezes at high speed.
  • a quick freeze operating mode of the ice maker 7 can be selected at a user interface of the refrigeration device (not shown), in which a refrigeration machine of the refrigeration device and the fan 12 run continuously after activation for a preset or user-selectable limited period of time, without water beforehand in the ice bowl 10 is admitted.
  • the design of the Fig. 3 According to the frozen food carrier 16 is essentially plate-shaped and has a grip area 18 on its front edge, which as in FIG Fig. 1 indicated on the front of the ice maker 7 can be exposed in order to facilitate the pulling out of the frozen food carrier 16.
  • a flat bottom plate 19 of the frozen food carrier 16 can be designed as a closed plate impermeable to air and water or as a grate which allows cold air to pass into the collecting container 9 via its openings.
  • the base plate 19 of the frozen food carrier 16 can be as shown in FIG Fig. 4 shown to be arranged below the upper edge of the collecting container 9. If, as in Fig. 4 In the event that the collecting container 9 is removed in order to create space for the frozen food carrier 16, then the holder 15, on which the collecting container 9 is otherwise pulled out, can also be used for the frozen goods carrier 16.
  • FIG. 4 shows a cross section through the frozen food carrier 16 along a line in FIG Fig. 4 with IV-IV designated section plane.
  • a plurality of elongated depressions 32 are formed in the base plate 19.
  • the recesses 32 run parallel to one another in the pull-out direction of the frozen food carrier 16.
  • a bottle 33 of large diameter can be secured against rolling away, so that it is surrounded by cold air on both sides while cooling.
  • the side depressions 32 provide support for smaller bottles or beverage cans 34 lying next to one another Fruit is used, the unevenness of the base plate 19 helps to prevent the frozen food 17 from freezing over a large area.
  • FIG. 5 and 5A A useful way of using the space freed up by the expansion of the collecting container 9 is shown in Figures 5 and 5A shown.
  • two rollers 35 extend into slots in the base plate 19 and delimit a recess 32 in which a bottle 33 can be fixed.
  • One of the rollers 35 can be driven in rotation by an electric motor 36 which is mounted on the frozen food carrier 16 under the base plate 19.
  • a battery or an accumulator 37 for supplying energy to the electric motor 36 can also be integrated into the frozen food carrier 16 under the base plate 19. Since the electric motor 36 rotates the bottle from time to time during the cooling process, the bottle contents can be prevented from freezing at a particularly effectively cooled point on the bottle 33.
  • the frozen goods carrier 16 can be shaped such that, when installed, it engages the collecting container 9 from above; so the latter can remain in the ice maker 7 while the frozen food carrier 16 is being used, and if necessary for loading and unloading the frozen goods carrier 16, the frozen goods carrier and collecting container 9 must be removed together.
  • the collecting container 9 and frozen food carrier 16 do not each have their own holders on the walls of the ice maker 7, but rather the upper edge of the collecting container 9 as in FIG Fig. 6 shown forms a holder 20 for the frozen food carrier 16, into which this can be inserted from above. In this way, both can easily be pulled out of the ice maker 7 together and used again.
  • the bottom plate 19 of the frozen food carrier 16 can as in Figure 4A shown, be provided with elongated depressions.
  • FIG Fig. 7 Another possibility of increasing the space available for the frozen goods 17 on the frozen goods carrier 16 is shown in FIG Fig. 7 shown.
  • an axis 21, about which the motor 11 pivots the ice tray 10 runs in a normal position of the ice tray 10 - shown in dashed lines in the figure - in which its recesses 22 are open at the top, above a center of gravity of the ice tray 10, so that the ice tray 10 in its ejection position, with downwardly open recesses 22, is higher than in the normal position.
  • the ice tray 10 assumes the ejection position.
  • the ice tray 10 which is not required for quick freezing the frozen food 17, can be removed in order to make more space available for the frozen food 17.
  • a holder 23 in the form of a rectangular frame remains, which is non-rotatably connected to the motor 11 on a narrow side 24 and is rotatably mounted on the opposite narrow side 25.
  • the entire ice maker 7 is mounted in the refrigerator 4 so that it can be pulled out, so that in a pulled-out position in which the ice maker 7 protrudes from the refrigerator 4, the top of the technology module 8 is exposed Ice tray 10 can be removed from above.
  • a control panel for controlling the operation of the ice maker 7 can be provided on the front side of the technical module 8 facing the door 2, on the outside of the door or another suitable surface of the refrigeration device 1.
  • the control panel comprises at least control elements for switching on the ice maker. Operating elements can be provided for selecting between ice making operation and rapid freezing operation and possibly bottle cooling operation; However, internal switches can also be provided in the ice maker 7 to detect whether the components 9, 10 required for ice making are present and, if one of these components is missing, to block at least an automatic supply of fresh water to the ice maker 7.
  • the evaporator For the operation of the evaporator, it does not necessarily make a difference whether the ice maker is used to make ice, for quick freezing or for bottle cooling. In all three cases, switching on the ice maker - typically by reducing the target temperature of the freezer compartment 5 - for continuous operation of the compressor feeding the evaporator and of the fan 12. In the case of a speed-controlled compressor, its speed can also be increased in order to lower the temperature of the evaporator.
  • a timer is triggered after a period of time, which can preferably be selected by the user on the control panel, depending on whether ice is produced, frozen food is to be frozen quickly or a bottle is to be cooled quickly and how large the amount of frozen food or the bottle may be. Triggering activates a signal transmitter that indicates to the user that the cooling process is complete and the frozen food or bottle can be removed, switches the ice maker 7 off again and switches the compressor to normal operation or the setpoint temperature of the freezer compartment to the previous value return.

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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 (11)

  1. Appareil frigorifique comprenant au moins un compartiment de stockage (4) refroidi par un ventilateur d'air froid et un dispositif de préparation de glace (7) disposé dans le compartiment de stockage (4) dans un flux d'air froid propulsé par le ventilateur d'air froid, qui comprend une coque à glace (10), dans laquelle des cavités (22) pour former des glaçons sont préformées, et un dispositif de retenue (15, 20, 23) dans lequel un support pour produits congelés (16) peut être monté,
    dans lequel le dispositif de préparation de glace (7) comprend en outre un bac de collecte (9) pour des glaçons prêts, et le support pour produits congelés (16) est conçu sous forme de coque, de plaque, de grille ou pour un stockage en position couchée de récipients en forme de bouteille et est agencé dans un espace intermédiaire (14) entre un espace occupé par la coque à glace (10) lors de l'utilisation du dispositif de préparation de glace (7) et un espace occupé par les glaçons prêts dans le bac de collecte (9),
    dans lequel le dispositif de retenue (15) comprend des nervures de guidage s'étendant sur des parois latérales d'un boîtier du dispositif de préparation de glace, le support pour produits congelés (16) s'engageant dans l'espace intermédiaire (14) est monté de façon extractible sur le dispositif de retenue (15), et
    le ventilateur d'air froid (12) comprend une buse (13) débouchant dans l'espace intermédiaire,
    caractérisé en ce qu'un mode de fonctionnement en congélation rapide du dispositif de préparation de glace (7) peut être sélectionné sur une interface d'utilisateur de l'appareil frigorifique, dans lequel une machine frigorifique de l'appareil frigorifique et le ventilateur d'air froid (12) fonctionnent de façon continue, après une activation, pendant un intervalle de temps délimité préréglé ou sélectionnable par un utilisateur, sans introduire de l'eau au préalable dans la coque à glace (10).
  2. Appareil frigorifique selon la revendication 1, caractérisé en ce que le support pour produits congelés (16) s'engage, à l'état monté, de dessus dans le bac de collecte (9).
  3. Appareil frigorifique selon la revendication 1 ou 2, caractérisé en ce que le support pour produits congelés (16) est conçu pour un stockage en position couchée de récipients en forme de bouteille (33, 34).
  4. Appareil frigorifique selon la revendication 3, caractérisé en ce que le support pour produits congelés (16) est configuré avec un fond (19) formant au moins un creux (32) allongé.
  5. Appareil frigorifique selon l'une des revendications précédentes, caractérisé en ce que le support pour produits congelés (16) peut être pivoté autour d'un axe longitudinal.
  6. Appareil frigorifique selon la revendication 5, caractérisé par un moteur (11, 36) pour actionner un déplacement pivotant du support pour produits congelés (16) ou d'un récipient en forme de bouteille (33) conservé dans le support pour produits congelés (16).
  7. Appareil frigorifique selon l'une des revendications précédentes, caractérisé en ce que la puissance frigorifique du courant d'air froid peut être commutée au moins entre deux puissances différentes.
  8. Appareil frigorifique selon l'une des revendications précédentes, caractérisé par un temporisateur, qui est conçu pour déclencher après un temps de fonctionnement déterminé du dispositif de préparation de glace.
  9. Appareil frigorifique selon l'une des revendications précédentes, caractérisé en ce que la coque à glace (10) est démontable ou mobile, pour libérer de l'espace pour le support pour produits congelés (16).
  10. Appareil frigorifique selon l'une des revendications précédentes, caractérisé en ce que le bac de collecte (9) est démontable, pour libérer de l'espace pour le support pour produits congelés (16).
  11. Appareil frigorifique selon l'une des revendications précédentes, caractérisé en ce que le ventilateur d'air froid comprend une buse réglable (13) ou deux buses interchangeables.
EP17175690.1A 2016-06-27 2017-06-13 Appareil de froid ayant une fonction de congélation rapide Active EP3264013B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17175690T PL3264013T3 (pl) 2016-06-27 2017-06-13 Urządzenie chłodzące z funkcją szybkiego zamrażania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016211437.9A DE102016211437B4 (de) 2016-06-27 2016-06-27 Kältegerät mit Schnellgefrierfunktion

Publications (2)

Publication Number Publication Date
EP3264013A1 EP3264013A1 (fr) 2018-01-03
EP3264013B1 true EP3264013B1 (fr) 2021-11-03

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EP (1) EP3264013B1 (fr)
DE (1) DE102016211437B4 (fr)
PL (1) PL3264013T3 (fr)

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KR20190125119A (ko) * 2018-04-27 2019-11-06 주식회사 위니아대우 제빙 장치 및 이를 갖는 냉장고
CN110906609B (zh) * 2018-09-17 2021-12-21 重庆海尔制冷电器有限公司 风冷冰箱

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Publication number Publication date
DE102016211437A1 (de) 2017-12-28
DE102016211437B4 (de) 2021-09-23
EP3264013A1 (fr) 2018-01-03
PL3264013T3 (pl) 2022-02-07

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