EP1576325B1 - Procede et dispositif de refrigeration rapide - Google Patents

Procede et dispositif de refrigeration rapide Download PDF

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Publication number
EP1576325B1
EP1576325B1 EP03810973A EP03810973A EP1576325B1 EP 1576325 B1 EP1576325 B1 EP 1576325B1 EP 03810973 A EP03810973 A EP 03810973A EP 03810973 A EP03810973 A EP 03810973A EP 1576325 B1 EP1576325 B1 EP 1576325B1
Authority
EP
European Patent Office
Prior art keywords
rapid cooling
cooling device
container
tank
thermal transfer
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.)
Expired - Lifetime
Application number
EP03810973A
Other languages
German (de)
English (en)
Other versions
EP1576325A1 (fr
Inventor
Klaus Flinner
Georg Hausmann
Stefan Holzer
Fritz Hägele
Jörg STELZER
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1576325A1 publication Critical patent/EP1576325A1/fr
Application granted granted Critical
Publication of EP1576325B1 publication Critical patent/EP1576325B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/006—Other cooling or freezing apparatus specially adapted for cooling receptacles, e.g. tanks
    • F25D31/007—Bottles or cans
    • 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
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • 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
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • 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 method and a device for rapid cooling, in particular of pre-packaged beverages, or for quick freezing of small-sized goods, in particular of foods such as fresh fruits and vegetables.
  • the shelf life of sensitive foods to be kept cool is severely compromised if there are gaps in the cold chain on the way from the manufacturer to the consumer's home. Often there are such gaps if the consumer can not load the food quickly enough after shopping in his refrigerator or freezer. Since the re-cooling of such food in the refrigerator takes place essentially by heat exchange via the air, it can take some time after loading the food in the refrigerator until the set temperature is reached again and the proliferation of microorganisms in the food is stopped as far as possible. To improve the shelf life of such foods, it is desirable to cool them in the refrigerator as quickly as possible.
  • the object of the present invention is to specify a method and a device for quick-cooling food, which is flexible with regard to the shape of the food to be cooled.
  • the tank is expediently located on a ceiling of the storage chamber. Often located immediately below the ceiling of such a storage chamber, a flat etager, which is intended to hold cold packs, and the rear area can be used to accommodate such a tank well.
  • a releasable coupling is preferably inserted in the circuit between the tank and the at least one container.
  • the storage chamber in which the tank is located a freezing chamber, while serving as a bottle cooler container is conveniently located in a normal or fresh cooling chamber of the same refrigerator.
  • a placement of the tank below the bottle cooler serving container favors the outflow of heat transfer fluid from the container into the tank and thus the release of a cooled in the bottle cooler bottle or other beverage container when not in use.
  • a time or temperature dependent automatic control of the operation of the pump is desirable to prevent overcooling of a beverage container.
  • Refrigerating appliance 1 shown in a schematic section is a freezer.
  • a heat-insulating housing 2 surrounds a storage chamber 3, which is divided by several tiered storage 4 in compartments 5, 6, 7.
  • the Etageren 4 are each formed as grates with flowed through by a refrigerant lines.
  • the uppermost compartment 5, immediately below the ceiling of the storage chamber 3, has only a height of a few cm and is therefore highly efficiently cooled by its tier 4.
  • This compartment is filled to a large extent by a tank 8, with a heat transfer fluid, eg. B. a brine or an alcohol-water mixture is filled.
  • a heat transfer fluid eg. B. a brine or an alcohol-water mixture is filled.
  • a pump 9 and a Schnellgefrierbox 10 with a lower part 11 and a lid 12, both of which each have rigid outer walls and facing inner walls 15 of a soft, resilient sheet material.
  • Surrounded by outer and inner walls cavities of the lower part 11 and the lid 12 are connected to each other via pipes 13, with the pump 9 and the tank 8 to a circuit.
  • Lower part 11 and lid 12 are fixable to each other, so that the cover 12 can push in between the lower part and lid enclosed piece of refrigerated goods 14 against the hydrostatic pressure of the heat transfer fluid contained therein in the lower part.
  • Such couplings can be omitted if the entire rapid cooling device including the tank 8 can be removed from the refrigeration device.
  • An electrical connector 17 is provided on the inner wall of the housing 2 for the power supply of the pump 9.
  • the pump 9 is shown separately in the Fig. From the Schnellgefrierbox 10, but it is understood that they z. B. may be connected to the lower part 11 to form a structural unit in order to simplify handling. It is also conceivable to place a motor of the pump 9 on the foam side of the housing inner wall and to provide it with a magnetic coupling which rotationally drives a pump head arranged in the bearing chamber 3. Thus, the electrical connector 17 and consequently a required for them opening of the housing inner wall can be avoided.
  • Fig. 2 shows a schematic section through a second embodiment of the quick device according to the invention, mounted in a combination refrigerator.
  • a filled with a heat transfer fluid tank 8 is housed in a top compartment 5 of the freezer compartment of the refrigerator 1.
  • the tank extends substantially over the entire width of the compartment 5 and therefore has extensive, easily deformable wall surfaces 20th
  • the tank 8 is connected to a bottle cooler 18, which is housed in a normal or fresh cooling zone 21 of the refrigerator 1.
  • the bottle cooler 18 is substantially in the shape of a cup having a rigid outer wall 19 and a flexible inner wall 15 which defines a recess for receiving a bottle 22 to be cooled.
  • the space between outer wall 19 and inner wall 15 forms a container for the heat transfer fluid.
  • a pump 9 for pumping heat transfer fluid from the tank 8 into the bottle cooler 18 is arranged on a first of the two pipes 13, a pump 9 for pumping heat transfer fluid from the tank 8 into the bottle cooler 18 is arranged.
  • the second pipe 13 has a bottleneck 23 at which, when the pump 9 is in operation, a pressure drop is formed.
  • a control circuit 24 is connected to the pump 9 and to a temperature sensor 25 mounted on the bottle cooler 18 or, as shown in the figure, on the second pipe 13 before entering the tank 8.
  • the control circuit 24 is activatable by a user to operate the pump 9 so that Heat transfer fluid is circulated at a temperature below 0 ° C from the tank 8 in the bottle cooler 18.
  • the thereby resulting in the interior of the bottle cooler 18 pressure increase causes regardless of the exact dimensions of the bottle placed therein 22, the flexible inner wall 15 of the bottle cooler 18 closely conforms to the bottle 22, so that it is highly efficiently cooled.
  • the control circuit 24 switches off the pump 9 again.
  • a display element On a display panel (not shown) on the housing of the refrigerator, a display element may be provided which indicates the operating state of the pump 9, so that a user can see from the display element, whether the bottle 22 is sufficiently cooled, without opening the refrigerator 1 have to.
  • control circuit 25 can enter an interval operating mode in which it automatically switches the pump 9 back on when the difference between that from the sensor 25 detected temperature and the normal storage temperature in the normal cooling zone 21 is below a threshold, so as to keep the bottle 22 permanently at a lower temperature than that of the normal cooling zone.
  • the temperature-dependent control circuit 24 may also be replaced by a timing circuit which, when activated by a user, operates the pump 9 for a predetermined or user-set period of time and then turns it off.
  • the rapid cooling device is characterized in that the tank 8 is divided by a Peltier element 30 into an antechamber 32 and a main reservoir 33.
  • the Peltier element 30 is powered by a current source 42 through a switch 31 which is under the control of the control circuit 24 and is at least always closed when the pump 8 is in operation.
  • Heat transfer fluid circulated by the pump 9 does not reach the main reservoir 33, but only flows through the prechamber 32, where it cools in contact with the cold side of the Peltier element 30 and then flows back to the bottle cooler 18.
  • the warm side of the Peltier element 30 is in contact with the main reservoir 33 to deliver heat received from the pre-chamber 32 to the heat transfer fluid therein.
  • the tank 8 could in this embodiment, as in the embodiment of Fig. 2 be housed in a colder chamber of the refrigerator than the bottle cooler 18; However, this is not essential, because even if bottle cooler 18 and tank 8 are in a same chamber of the refrigerator, the Peltier element 30 is capable of circulating the pump 9 circulated heat transfer fluid to a lower temperature than that of the chamber hold.
  • Fig. 4 shows a modified embodiment of a bottle cooler 26 which does not fall under the scope of the claims.
  • the bottle cooler 26 has no rigid outer wall, but its walls are formed by flexible plastic sheets which are locally welded together to form a zig-zag tubular interior. At one longitudinal end, the films are flat welded together to form a flat tongue 27.
  • the tubes 13 extend between the two foils enclosed along the tongue 27 and open onto a respective longitudinal end of the tubular cavity.
  • a velcro patch 28 is on the viewer in Fig. 4 facing side of the tongue 27 is attached.
  • a Velcro strip 29 complementary to the patch 28, shown in the figure as a dashed outline, is located on the side of the bottle cooler 26 facing away from the observer.
  • Fig. 5 shows the bottle cooler 26 in use when cooling a bottle 22. It is wrapped around the belly of the bottle so that the two in Fig. 5 concealed Velcro parts 28, 29 come into contact with each other and adhere to each other. Due to its flexibility, the container is able to form-fit to bottles with very different diameters and thus to effect a very intense heat exchange between the bottle and circulating in the bottle cooler 26 heat transfer fluid.

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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)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Heat Treatment Of Articles (AREA)

Claims (17)

  1. Procédé de réfrigération rapide de produits alimentaires, comportant les étapes suivantes:
    a) refroidir un liquide caloporteur à une température supérieure au point de congélation du liquide caloporteur,
    b) renfermer un produit à réfrigérer (14) entre une paroi flexible (15) d'un récipient (11), lequel contient le liquide caloporteur et est relié, dans un circuit, à un réservoir (8) pour le liquide caloporteur, et un couvercle (12), et mettre en contact le produit (14) et la paroi flexible (15) du récipient (11), caractérisé en ce que
    c) le couvercle (12) est un deuxième récipient pour un liquide caloporteur avec au moins une paroi flexible (15), et dans lequel la paroi flexible (15) du couvercle (12) est mise en contact avec le produit à réfrigérer de manière telle que le produit à réfrigérer (14) est enfermé de deux côtés entre des parois flexibles.
  2. Procédé selon la revendication 1, caractérisé en ce que le liquide caloporteur, à l'étape a), est refroidi à une température inférieure à 0 °C.
  3. Procédé selon la revendication 1 ou 2, dans lequel le liquide caloporteur est mis en circulation entre un réservoir (8) et le récipient (11, 12).
  4. Dispositif de réfrigération rapide, comportant un premier récipient (11, 12) rempli d'un liquide caloporteur, lequel comporte au moins une paroi flexible (15) et est relié, dans un circuit, à un réservoir (8) pour le liquide caloporteur, un couvercle (12) qui peut être placé de manière à recouvrir la paroi flexible (15) étant associé au premier récipient (11), caractérisé en ce que le couvercle (12) se présente sous la forme d'un deuxième récipient pour un liquide caloporteur, lequel comporte au moins une paroi flexible (15) de manière telle que le produit à réfrigérer (14) peut être enfermé de deux côtés entre des parois flexibles.
  5. Dispositif de réfrigération rapide selon la revendication 4, caractérisé par des moyens pour fixer les deux récipient s (11, 12) l'un par rapport à l'autre.
  6. Dispositif de réfrigération rapide selon l'une des revendications 4 ou 5, caractérisé en ce qu'au moins l'un des récipient s (11, 12) comporte au moins une paroi rigide.
  7. Dispositif de réfrigération rapide selon l'une des revendications 4 à 6, caractérisé en ce que la paroi flexible limite un évidement destiné à accueillir un objet à réfrigérer.
  8. Dispositif de réfrigération rapide selon l'une des revendications 4 à 7, caractérisé en ce que le circuit comprend une pompe (9).
  9. Dispositif de réfrigération rapide selon la revendication 8, caractérisé par un circuit de commande pour arrêter la pompe (9) après un laps de temps de service prédéterminé.
  10. Dispositif de réfrigération rapide selon la revendication 9, caractérisé par un capteur de température (25) et un circuit de commande (24) pour arrêter la pompe (9) et/ou la mettre en marche sur la base d'une température détectée par un capteur de température (25).
  11. Dispositif de réfrigération rapide selon l'une des revendications 4 à 10, caractérisé en ce que le liquide caloporteur a un point de congélation de -10 °C.
  12. Dispositif de réfrigération rapide selon l'une des revendications 4 à 11, caractérisé en ce que le réservoir (8) est subdivisé par un élément Peltier (30).
  13. Appareil frigorifique avec un dispositif de réfrigération rapide intégré selon l'une des revendications 4 à 12.
  14. Appareil frigorifique avec un dispositif de réfrigération rapide intégré selon la revendication 13, caractérisé en ce que le réservoir (8) est situé au niveau d'un plafond d'une première chambre de stockage (3) de l'appareil de réfrigération.
  15. Appareil frigorifique avec un dispositif de réfrigération rapide intégré selon la revendication 13 ou 14, caractérisé en ce que le réservoir (8) et le récipient (18, 26) sont logés dans différentes chambres de stockage (3, 21) de l'appareil de réfrigération.
  16. Appareil frigorifique avec un dispositif de réfrigération rapide intégré selon l'une des revendications 13 à 15, caractérisé en ce que le réservoir (8) est situé à un niveau plus bas que le récipient (11, 12, 18 26).
  17. Appareil frigorifique avec un dispositif de réfrigération rapide intégré selon l'une des revendications 13 à 16, caractérisé en ce qu'un couplage détachable (16) est inséré entre le réservoir (8) et l'au moins un récipient (11, 12).
EP03810973A 2002-11-11 2003-11-06 Procede et dispositif de refrigeration rapide Expired - Lifetime EP1576325B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10252346 2002-11-11
DE10252346 2002-11-11
DE10261352A DE10261352A1 (de) 2002-11-11 2002-12-30 Schnellkühlverfahren und -vorrichtung
DE10261352 2002-12-30
PCT/EP2003/012427 WO2004044505A1 (fr) 2002-11-11 2003-11-06 Procede et dispositif de refrigeration rapide

Publications (2)

Publication Number Publication Date
EP1576325A1 EP1576325A1 (fr) 2005-09-21
EP1576325B1 true EP1576325B1 (fr) 2008-08-27

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ID=32313551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03810973A Expired - Lifetime EP1576325B1 (fr) 2002-11-11 2003-11-06 Procede et dispositif de refrigeration rapide

Country Status (7)

Country Link
EP (1) EP1576325B1 (fr)
CN (1) CN1711452A (fr)
AT (1) ATE406551T1 (fr)
AU (1) AU2003276270A1 (fr)
DE (2) DE10261352A1 (fr)
ES (1) ES2311123T3 (fr)
WO (1) WO2004044505A1 (fr)

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CN106979663A (zh) * 2016-01-15 2017-07-25 韦恩·菲利普·伯尼特 快速冷却装置及快速冷却方法
CN106225369A (zh) * 2016-07-25 2016-12-14 高秀民 具有减震功能的器官冷藏运输箱及其控制方法
CN106196814A (zh) * 2016-07-25 2016-12-07 高秀民 便携式自动控温医用冷藏运输设备及其控制方法
CN106185045A (zh) * 2016-07-25 2016-12-07 高秀民 自发电式器官冷藏运输箱及其控制方法
CN106123440A (zh) * 2016-07-25 2016-11-16 李如怡 家用便携式冷藏箱及其控制方法
CN106185046A (zh) * 2016-07-25 2016-12-07 高秀民 器官冷藏运输箱及其控制方法
CN106196813A (zh) * 2016-07-25 2016-12-07 高秀民 具有减震功能的医用制冷运输箱设备及其控制方法
CN106494761A (zh) * 2016-07-25 2017-03-15 青岛农业大学 便携式冷藏运输设备及其控制方法
CN106185044A (zh) * 2016-07-25 2016-12-07 高秀民 自发电式器官冷藏运输箱及其控制方法
CN106524627A (zh) * 2016-11-05 2017-03-22 高秀民 医用便携式双层保温箱及其控制方法
CN106352643A (zh) * 2016-11-05 2017-01-25 高秀民 自发电式双层医用冷藏便携设备及其控制方法
CN106369908A (zh) * 2016-11-05 2017-02-01 高秀民 医用便携式保温箱及其控制方法
CN106440612A (zh) * 2016-11-05 2017-02-22 高秀民 热管传热式医用便携保温箱及其控制方法
CN106440611A (zh) * 2016-11-05 2017-02-22 高秀民 双层便携式医用保温箱及其控制方法
CN106347884A (zh) * 2016-11-07 2017-01-25 高秀民 半导体制冷式集装箱及制冷方法
CN106494293A (zh) * 2016-11-07 2017-03-15 高秀民 冷链运输车及制冷方法
CN106477198A (zh) * 2016-11-07 2017-03-08 高秀民 半导体制冷热管式集装箱及制冷方法
CN109708408A (zh) * 2019-01-25 2019-05-03 南京创维家用电器有限公司 一种饮料快速冷却的方法及装置
WO2020216456A1 (fr) 2019-04-26 2020-10-29 Goncalves Rodrigues Schwerdling Paula Cristina Dispositif de thermorégulation, de manière préférée de refroidissement de manière particulièrement préférée de refroidissement rapide d'un produit à thermoréguler
CN109945595A (zh) * 2019-04-29 2019-06-28 南京创维家用电器有限公司 一种饮料冷却装置及冷却方法
CN114719541A (zh) * 2021-01-05 2022-07-08 青岛海尔特种电冰柜有限公司 储物装置及制冷设备
CN114459201A (zh) * 2021-12-20 2022-05-10 珠海格力电器股份有限公司 速冻装置、控制方法、控制装置、电子设备及存储介质

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Also Published As

Publication number Publication date
DE50310419D1 (de) 2008-10-09
EP1576325A1 (fr) 2005-09-21
CN1711452A (zh) 2005-12-21
DE10261352A1 (de) 2004-08-05
AU2003276270A1 (en) 2004-06-03
ATE406551T1 (de) 2008-09-15
WO2004044505A1 (fr) 2004-05-27
ES2311123T3 (es) 2009-02-01

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