EP1508006B1 - Dispositif frigorifique et preparateur de glace correspondant - Google Patents

Dispositif frigorifique et preparateur de glace correspondant Download PDF

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Publication number
EP1508006B1
EP1508006B1 EP03752666A EP03752666A EP1508006B1 EP 1508006 B1 EP1508006 B1 EP 1508006B1 EP 03752666 A EP03752666 A EP 03752666A EP 03752666 A EP03752666 A EP 03752666A EP 1508006 B1 EP1508006 B1 EP 1508006B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
refrigerating appliance
refrigerant
icemaker
cooling zone
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
EP03752666A
Other languages
German (de)
English (en)
Other versions
EP1508006A1 (fr
Inventor
Klaus Flinner
Georg Hausmann
Stefan Holzer
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 EP1508006A1 publication Critical patent/EP1508006A1/fr
Application granted granted Critical
Publication of EP1508006B1 publication Critical patent/EP1508006B1/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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/025—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures using primary and secondary refrigeration systems
    • 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
    • F25C1/00—Producing ice
    • F25C1/04—Producing ice by using stationary moulds
    • 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
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F25C1/24—Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10—Refrigerator units

Definitions

  • the present invention relates to a refrigerator with an icemaker according to the preamble of claim 1.
  • a refrigerator is for example from the US-A-2 435 102 known.
  • icemaker for a refrigeration device is a water-fillable pan, subdivided into a plurality of chambers, which can be placed in the freezer compartment of a refrigerator to freeze water therein.
  • the freezing process takes a long time, since cooling of the shell by contact with the evaporator of the freezer compartment is possible only at the bottom of the shell, provided that the evaporator itself forms the bottom of the freezer compartment.
  • the evaporator is generally arranged on the rear wall of the freezer, so that the cooling of the shell takes place substantially only indirectly via air circulating in the freezer compartment and takes even longer time.
  • An unforeseen need for ice cream can not be met in the short term with this simple icemaker.
  • refrigerators In order to accelerate the ice making, refrigerators have been proposed in which an icemaker is connected to the refrigerant circuit of the refrigerator and supplied by this with refrigerant. Although this solution is very efficient, but also technically complex and therefore expensive, so that it is more suitable for commercial than for private use.
  • Object of the present invention is to provide a equipped with an icemaker refrigeration device that allows fast ice making and yet is inexpensive to implement.
  • An essential feature of the icemaker according to the invention is the separation of its refrigerant circuit from that of a refrigeration device to which the icemaker is applicable.
  • the refrigerant circuit of the ice maker according to the invention is self-contained; it contains its own, separate from that of the refrigerator refrigerant. This simplifies the installation of the ice maker in a refrigeration appliance considerably, since at most a small refrigeration unit on the conventional refrigeration unit are required to install the icemaker and passages between the refrigerant circuits of the refrigerator and icemaker are not required.
  • the necessary for generating ice cooling of the ice maker can be done simply by heat exchange at the second heat exchanger, which is arranged in a cooling zone of the refrigerator, which reaches temperatures below 0 ° C.
  • the second heat exchanger which is arranged in a cooling zone of the refrigerator, which reaches temperatures below 0 ° C.
  • the refrigerant of the icemaker does not have to be operated in a thermodynamic cycle, it can be advantageously selected so that it remains liquid in the entire refrigerant circuit under normal operating conditions of the icemaker.
  • larger amounts of heat than with a gaseous refrigerant can be transported at a relatively low volume flow rate of the refrigerant circuit.
  • the second heat exchanger is preferably designed as a reservoir for the refrigerant, i. its volume is greater than would be required from the standpoint of efficient heat exchange when the refrigerant flows through. Thereby, it is possible to stockpile a large amount of cold refrigerant in the second heat exchanger as long as the icemaker is not used. When it is put into operation, however, immediately a large amount of cooled refrigerant is available.
  • the ice maker is preferably provided with a pump.
  • This may advantageously be associated with a timing device for controlling the operation of the pump.
  • This allows automatic shut-off of the pump after a sufficient time to freeze the filled water. This ensures that the cooling zone of the refrigerator, in which housed the second heat exchanger is not constantly supplied via this heat, if this is no longer necessary for freezing the water in the ice container.
  • the shutdown of the pump allows a superficial Antauen the finished ice in the ice container, which simplifies its removal from the ice container.
  • the refrigerator according to the invention has at least a first and a second cooling zone, which are stable at different temperatures, and the ice container is arranged in the first and the second heat exchanger in the second cooling zone.
  • the icemaker When the icemaker is operated, so contribute to the cooling of the first container or the associated first heat exchanger for cooling the first cooling zone, while the second cooling zone is heated by the second heat exchanger. While the demand of the second cooling zone increases in cooling capacity as a result of the operation of the ice maker, that of the first cooling zone decreases accordingly, so that the overall cooling power requirement of the refrigeration appliance is not appreciably influenced by the operation of the ice maker.
  • a space-saving accommodation of the second heat exchanger is possible in particular on the ceiling or at the bottom of the second cooling zone.
  • the second heat exchanger preferably extends substantially over the entire width and / or depth of the second cooling zone.
  • the ice maker of the refrigeration device is installed and removed. So when not in use of the ice maker otherwise occupied by him space for other refrigerated goods can be used.
  • a connector for the power supply of the pump is preferably arranged on an inner wall of a cooling zone.
  • the refrigerant circuit between the first and the second heat exchanger is at least partially formed by flexible hoses. This makes it possible, on the one hand, to position the ice container in the first cooling zone at changing points which are not currently occupied bymégüt; on the other hand, through the Hoses reached mobility of the ice container with respect to the second heat exchanger to store the icemaker in a dismantled state to save space.
  • Fig. 1 shows a schematic front view of a refrigerator with an icemaker according to the present invention.
  • the refrigeration device has two cooling zones, a refrigerating compartment or fresh cooling compartment 1 in the upper region of the device, which is kept at temperatures above 0 ° C in normal operation of the refrigerator, and a freezer 2 in the lower region, which in normal operation to temperatures below 0 ° C. is held.
  • the two compartments 1, 2 are closed by a common or preferably each individually by separate doors, which are not shown in the figure.
  • An ice maker mounted in the refrigerator substantially comprises two assemblies 3, 4 which are arranged in the refrigerating compartment 1 and the freezer compartment 2, respectively.
  • the first assembly 3 comprises a first heat exchanger and an ice container and is in Fig. 2 shown in detail;
  • the second assembly comprises a pump and a second heat exchanger and is in Fig. 3 shown in detail.
  • the two assemblies are interconnected by refrigerant lines 5, 6.
  • the refrigerant lines 5, 6 extend freely over the front edge of a horizontal partition 7, the two compartments 1, 2 against each other demarcates. If every subject 1 and 2 is equipped with its own door, as can be seen in Fig.
  • a cutout 8 may be formed, in which a closure body 9 is inserted such that complementary semi-cylindrical recesses 10 at the edges of the cutout 8 and the closure body 9 together passages for the refrigerant lines 5, 6 limit, and at the same time the front edge 11 of the closure body 9 is flush with the partition 7.
  • Fig. 2 shows a possible embodiment of the first assembly 3 of the ice maker.
  • the first heat exchanger 12 of the assembly 3 is here designed as a hollow body made of metal or plastic, with two connecting pieces 13 for the refrigerant lines 5, 6 on a side wall of the heat exchanger and a plurality of compartments or recesses 14 on an upper side of the heat exchanger.
  • the front side wall of the first heat exchanger 12 is shown partially cut away to show partitions 15 which are disposed in the interior of the heat exchanger and force the heat transfer fluid flowing through them onto a meandering path which brushes the bottoms and side walls of all recesses 14.
  • the entirety of the depressions 14 could already form the ice container.
  • a thin-walled shell 16 with a plurality of recesses 17 is provided as an ice container, which are dimensioned to engage positively in the recesses 14 of the first heat exchanger 12.
  • the ice container 16 can be removed after freezing of water in its recesses 17, without at the same time the first heat exchanger 12 must be removed.
  • Fig. 3 shows a plan view of a possible embodiment of the second heat exchanger 18 of the ice maker. This is composed of two flat plastic half-shells which are welded together along their edges as well as along a plurality of lines 20 to define a meandering flow path for the refrigerant.
  • the volume of the second heat exchanger 18 is of a similar order of magnitude as that of the ice container 16. This makes it possible, at least at the beginning of an ice-making operation, to cool the water in the ice container 16 with a considerably higher power than the power exchanged at the second heat exchanger 18.
  • An electrically driven pump 21 for the refrigerant is attached to the second heat exchanger 18 and has two connecting pieces 22, 23, one of which 22 is provided for connection to one of the refrigerant lines 5, 6 and the other 23 opens into the second heat exchanger 18.
  • Another connecting piece 24 for connecting to one of the refrigerant lines 5, 6 is arranged on the upper half-shell of the second heat exchanger 18.
  • An electrical supply cable 25 of the pump carries a plug 26.
  • a socket, not shown, complementary to the plug 26 for the power supply of the pump 21 is disposed on the inner wall of the freezer compartment 2.
  • a control circuit not shown in the figure is attached to the pump 21. It is designed to supply power to the pump 21 for a period of time when a user depresses a switch, the length of which is selected to be sufficient to freeze water filled in the ice container 16. After expiration of the period of time, the control circuit turns off the pump 21.
  • the ice in the ice container now begins to thaw slowly, which is quite desirable, since the pieces of ice formed in the individual wells 17 of the ice container 16 are easier to remove when they are thawed on the surface.
  • control circuit after the lapse of time, the pump 21 intermittently energized, the duration of the switch-on of the pump is selected in the intermittent operation so that thawing of the ice is avoided over a long period of time.
  • the edge lengths of the substantially rectangular second heat exchanger 18 correspond substantially to the width and depth of the freezer compartment 2, so that the second heat exchanger 18 can be easily placed by placing projections or engagement formed on the side walls of the freezer compartment into rails disposed on these walls ,
  • the second heat exchanger 18 can hang loosely on an etager 27, which is arranged at a small distance of a few centimeters from the ceiling of the freezer compartment 2.
  • This variant is particularly useful when the icemaker is mounted and dismounted by a user in the refrigerator because the etagere 27, if it does not carry the second heat exchanger 18, then usable as a carrier for cooling batteries or the like.
  • a refrigerant for the ice maker is particularly an alcohol or alcohol mixture or an alcohol-water mixture into consideration.
  • the pump and possibly its control circuit can of course also be contained in the first module.
  • freezer compartment 2 can also be arranged at the top of the refrigerator and the normal or fresh refrigerator compartment 1 below; In this case, installation space for the second heat exchanger at the bottom of the freezer compartment 2 is provided.

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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)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Claims (10)

  1. Appareil frigorifique comprenant un préparateur de glace, le préparateur de glace présentant un circuit d'agent réfrigérant, qui contient un agent réfrigérant, et un bac à glace (16) qui est en contact thermique avec le circuit d'agent réfrigérant par l'intermédiaire d'un premier échangeur de chaleur (12), le circuit d'agent réfrigérant étant séparé d'un circuit d'agent réfrigérant de l'appareil frigorifique et comprenant un second échangeur de chaleur (18), l'appareil frigorifique présentant au moins une première et une seconde zones réfrigérées (1, 2) pouvant être maintenues à différentes températures, caractérisé en ce que le bac à glace (16) est disposé dans la première zone réfrigérée (1) et en ce que le second échangeur de chaleur (18) est disposé dans la seconde zone réfrigérée (2).
  2. Appareil frigorifique selon la revendication 1, caractérisé en ce que le second échangeur de chaleur (18) est disposé au plafond ou au fond de la seconde zone réfrigérée (2).
  3. Appareil frigorifique selon la revendication 1 ou 2, caractérisé en ce que le second échangeur de chaleur (18) s'étend essentiellement sur toute la largeur et/ou la profondeur de la seconde zone réfrigérée (2).
  4. Appareil frigorifique selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le préparateur de glace est incorporable et amovible.
  5. Appareil frigorifique selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un connecteur pour l'alimentation électrique d'une pompe (21) est disposé sur une paroi intérieure d'une zone réfrigérée (2).
  6. Appareil frigorifique selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le circuit d'agent réfrigérant présente des conduites (5, 6) d'agent réfrigérant entre le premier et le second échangeurs de chaleur (12, 18), lesquelles sont formées au moins en partie par des tuyaux flexibles.
  7. Appareil frigorifique selon la revendication 1, caractérisé en ce que le second échangeur de chaleur (18) est réalisé en tant que réservoir pour un agent réfrigérant.
  8. Appareil frigorifique selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la pompe est ménagée pour la circulation de l'agent réfrigérant et en ce qu'un dispositif à minuterie est ménagé pour commander le fonctionnement de la pompe.
  9. Appareil frigorifique selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'agent réfrigérant, dans tout le circuit d'agent réfrigérant du préparateur de glace, est liquide dans les conditions de fonctionnement normales du préparateur de glace.
  10. Appareil frigorifique selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le second échangeur de chaleur (18), pendant le fonctionnement du préparateur de glace, décharge de la chaleur à la zone réfrigérée.
EP03752666A 2002-05-16 2003-05-13 Dispositif frigorifique et preparateur de glace correspondant Expired - Lifetime EP1508006B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10221897 2002-05-16
DE10221897A DE10221897B4 (de) 2002-05-16 2002-05-16 Kältegerät und Eisbereiter dafür
PCT/EP2003/005008 WO2003098133A1 (fr) 2002-05-16 2003-05-13 Dispositif frigorifique et preparateur de glace correspondant

Publications (2)

Publication Number Publication Date
EP1508006A1 EP1508006A1 (fr) 2005-02-23
EP1508006B1 true EP1508006B1 (fr) 2011-07-13

Family

ID=29413897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03752666A Expired - Lifetime EP1508006B1 (fr) 2002-05-16 2003-05-13 Dispositif frigorifique et preparateur de glace correspondant

Country Status (10)

Country Link
US (1) US7216499B2 (fr)
EP (1) EP1508006B1 (fr)
CN (1) CN100353131C (fr)
AT (1) ATE516471T1 (fr)
AU (1) AU2003232765A1 (fr)
BR (1) BR0310024A (fr)
DE (1) DE10221897B4 (fr)
ES (1) ES2366948T3 (fr)
RU (1) RU2311596C2 (fr)
WO (1) WO2003098133A1 (fr)

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US7610773B2 (en) * 2006-12-14 2009-11-03 General Electric Company Ice producing apparatus and method
US9127873B2 (en) * 2006-12-14 2015-09-08 General Electric Company Temperature controlled compartment and method for a refrigerator
US7757511B2 (en) * 2006-12-29 2010-07-20 Whirlpool Corporation Refrigerated drawer having an icemaker
US20080155997A1 (en) * 2006-12-29 2008-07-03 Whirlpool Corporation Refrigerated drawer having an icemaker
US8806886B2 (en) * 2007-12-20 2014-08-19 General Electric Company Temperature controlled devices
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US8794026B2 (en) 2008-04-18 2014-08-05 Whirlpool Corporation Secondary cooling apparatus and method for a refrigerator
US8359874B2 (en) 2008-04-18 2013-01-29 Whirlpool Corporation Secondary cooling path in refrigerator
US20090288445A1 (en) * 2008-05-21 2009-11-26 Sanjay Anikhindi Modular household refrigeration system and method
CN101315245B (zh) * 2008-06-26 2011-07-27 海尔集团公司 一种带有制冰机的冰箱
CN101307977B (zh) * 2008-06-26 2011-05-04 海尔集团公司 一种冰箱
DE102008042788A1 (de) 2008-10-13 2010-04-15 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Latentwärmespeicher
KR20100110118A (ko) * 2009-04-02 2010-10-12 엘지전자 주식회사 제빙실을 구비한 냉장고
KR101665545B1 (ko) * 2009-06-23 2016-10-14 삼성전자 주식회사 제빙유닛 및 이를 포함하는 냉장고
CN101936637B (zh) * 2010-04-26 2012-01-04 合肥美的荣事达电冰箱有限公司 一种带有制冰机的冰箱
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US8397532B2 (en) 2010-10-18 2013-03-19 General Electric Company Direct-cooled ice-making assembly and refrigeration appliance incorporating same
US9664430B2 (en) 2010-11-17 2017-05-30 Haier Us Appliance Solutions, Inc. Ice maker for dispensing soft ice and related refrigeration appliance
US9625202B2 (en) 2011-03-02 2017-04-18 Whirlpoo Corporation Direct contact icemaker with finned air cooling capacity
US9021828B2 (en) 2011-06-28 2015-05-05 General Electric Company Ice box housing assembly and related refrigeration appliance
US9016070B2 (en) 2012-09-14 2015-04-28 Whirlpool Corporation Phase change materials for refrigeration and ice making
US9644878B2 (en) 2013-11-08 2017-05-09 Haier Us Appliance Solutions, Inc. Ice making assembly and an ice bucket
WO2015082140A1 (fr) * 2013-12-05 2015-06-11 Arcelik Anonim Sirketi Réfrigérateur produisant rapidement des glaçons
WO2020071825A1 (fr) 2018-10-02 2020-04-09 Lg Electronics Inc. Réfrigérateur
DE102020114689A1 (de) 2020-06-03 2021-12-09 Miele & Cie. Kg Vorrichtung zur Herstellung von Eisstücken und Kühlgerät mit einer derartigen Vorrichtung
WO2023123264A1 (fr) * 2021-12-30 2023-07-06 合肥华凌股份有限公司 Ensemble fabrication de glace, dispositif et procédé de commande de fabrication de glace associé et appareil de réfrigération
WO2023123268A1 (fr) * 2021-12-30 2023-07-06 合肥华凌股份有限公司 Ensemble fabrication de glace, appareil et procédé de commande de fabrication de glace associés et dispositif de réfrigération

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Also Published As

Publication number Publication date
ES2366948T3 (es) 2011-10-26
RU2311596C2 (ru) 2007-11-27
AU2003232765A1 (en) 2003-12-02
ATE516471T1 (de) 2011-07-15
CN1653306A (zh) 2005-08-10
EP1508006A1 (fr) 2005-02-23
CN100353131C (zh) 2007-12-05
BR0310024A (pt) 2005-02-15
DE10221897A1 (de) 2003-12-04
RU2004133382A (ru) 2005-09-10
US7216499B2 (en) 2007-05-15
DE10221897B4 (de) 2005-03-10
US20050061009A1 (en) 2005-03-24
WO2003098133A1 (fr) 2003-11-27

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