EP3187799B1 - Appareil de réfrigération et/ou de congélation - Google Patents

Appareil de réfrigération et/ou de congélation Download PDF

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Publication number
EP3187799B1
EP3187799B1 EP16205698.0A EP16205698A EP3187799B1 EP 3187799 B1 EP3187799 B1 EP 3187799B1 EP 16205698 A EP16205698 A EP 16205698A EP 3187799 B1 EP3187799 B1 EP 3187799B1
Authority
EP
European Patent Office
Prior art keywords
refrigerator
refrigeration
compressor
loop
switch
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
EP16205698.0A
Other languages
German (de)
English (en)
Other versions
EP3187799A1 (fr
Inventor
Thomas Ertel
Matthias Heckenberger
David Weiss
Matthias Wiest
Michael Schick
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen 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 Liebherr Hausgeraete Ochsenhausen GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Publication of EP3187799A1 publication Critical patent/EP3187799A1/fr
Application granted granted Critical
Publication of EP3187799B1 publication Critical patent/EP3187799B1/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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • 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
    • F25B31/00—Compressor arrangements
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/06—Several compression cycles arranged in parallel
    • F25B2400/061—Several compression cycles arranged in parallel the capacity of the first system being different from the second
    • 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
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure

Definitions

  • the present invention relates to a refrigerator and / or freezer with at least one body and with at least one cooled interior located in the body and with at least one refrigeration unit for generating the cooling power required for cooling the cooled interior.
  • compressors with speed control are known from the prior art, by means of which the cooling capacity can be controlled or adjusted in a specific range.
  • the minimum and maximum cooling capacity differ approximately by a factor of 4. For most cooling or freezers, an ideal design is not yet possible with such a compressor.
  • the present invention is therefore based on the object of developing a refrigerator and / or freezer of the type mentioned at the outset in such a way that particularly efficient cold generation is possible in a wide power range.
  • the cooling capacity is ideally adapted to the respective requirements in order to guarantee optimal location conditions.
  • the design of the refrigeration unit according to the invention enables very efficient and also low-noise operation at times when the refrigeration circuit is under low load. If there is an increase in the load, for example when goods are stored, the refrigeration unit according to the invention provides the necessary, higher refrigeration capacity.
  • the refrigeration units are a compressor and a Peltier element.
  • the Peltier element serves to cover the base load of the device and the peak load is covered by the compressor and the Peltier element in cumulative operation.
  • the cold generation by a Peltier element takes place in such a way that it runs continuously and, if necessary, a proportional power adjustment having.
  • the control or regulation unit is thus designed in such a way that it operates the Peltier element in continuous operation.
  • Control or regulating means can be provided which operate the refrigeration units as a function of the operating mode of the device, as disclosed in the dependent claim 2.
  • a refrigeration unit can be provided to cover the base load per device, or a refrigeration unit can be provided in each case to cover the base load of each compartment of a refrigerator or freezer with a plurality of compartments.
  • This refrigeration unit contains a compressor. Their design depends on the size of the device or the expected cooling load from stored goods.
  • Such a refrigeration unit for rapid cooling can be provided per device or also per compartment of the device.
  • the device has at least one temperature sensor for measuring the temperature
  • a control or regulation unit which is designed that this at a Temperature above a switch-on value additionally activates a high-power cold generator and, at a temperature below a switch-off value, initiates a change to a cold-generating unit with lower power, as disclosed in independent claim 1.
  • the device has at least one sensor for the direct or indirect detection of warm objects and / or for the direct or indirect detection of a heat input in the cooled interior.
  • This sensor can be designed as a door sensor, for example. If the door is opened, the sensor reports this to a control or regulation unit and it is assumed that goods are inserted or that warm air enters the device. In this case, a switch is made to a high-performance cold generator or its operation is activated, as disclosed in claim 1.
  • Direct detection of warm objects for example by means of an infrared sensor, is also conceivable.
  • the refrigeration units are activated by a control or regulation unit.
  • the device has display means which indicate to the user which refrigeration unit is in operation.
  • the refrigerator or freezer has a thermal insulation of the body, which can be designed, for example, as full vacuum insulation.
  • This consists of a core material that is arranged in a vacuum-tight film. There is a vacuum within the area enclosed by the film. Apart from this thermal insulation, there is preferably no further thermal insulation between the outside of the device and the cooled interior.
  • the exemplary embodiment relates to a refrigerator or freezer which, as refrigeration units, has one or more Peltier elements on the one hand and one or more compressors on the other.
  • the door and the body are thermally insulated using full vacuum insulation, i.e. insulation that consists only of a core material that is contained in a vacuum-tight film within which a vacuum prevails.
  • the Peltier element continues to run, the additional cooling power is provided by the compressor, that is to say by the refrigerant circuit.
  • the heat is extracted by means of an evaporator, which forms part of the refrigerant circuit.
  • the temperature in the cooled interior is measured by means of a temperature sensor and that if the actual temperature is above a switch-on value, a switch is made to a high-power cold generator and, at a temperature below a switch-off value, this high-power cold generator is switched off and is changed to a cold generator with lower power, as disclosed in independent claim 1.

Claims (6)

  1. Appareil de réfrigération et/ou de congélation avec
    un corps avec une isolation à vide total et avec une porte avec une isolation à vide total,
    un espace intérieur réfrigéré se trouvant dans le corps, ainsi
    qu'un groupe frigorifique pour générer la puissance frigorifique pour l'espace intérieur réfrigéré, dans lequel
    le groupe frigorifique présente deux unités de production de froid, qui fournissent, dans un état de fonctionnement, une puissance frigorifique différente et qui peuvent fonctionner individuellement ou en cumulé,
    les deux unités de production de froid sont un compresseur en tant qu'élément constitutif d'un circuit de réfrigérant et un élément Peltier, et
    l'appareil présente un capteur de température pour mesurer la température dans l'espace intérieur réfrigéré,
    dans lequel
    l'élément Peltier est piloté de telle manière qu'il fonctionne dans un mode de fonctionnement continu, et
    une unité de commande ou de régulation est prévue, caractérisé en ce que l'unité de commande ou de régulation est réalisée pour mettre en service le compresseur à une température supérieure à une valeur d'activation et pour réaliser sous une valeur de désactivation un changement seulement sur le mode de fonctionnement avec l'élément Peltier travaillant en mode de fonctionnement continu et pour éteindre le compresseur.
  2. Appareil de réfrigération et/ou de congélation selon la revendication précédente, caractérisé en ce que sont prévus des moyens de commande ou de régulation, qui font fonctionner les unités de production de froid en fonction du mode de fonctionnement de l'appareil.
  3. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un capteur pour identifier des objets chauds ou pour identifier un apport en chaleur est prévu dans l'espace intérieur réfrigéré.
  4. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que sont prévus des moyens d'affichage, qui affichent à l'utilisateur respectivement l'unité/des unités de production de froid respectivement active/actives.
  5. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce qu'est prévu un moyen, par lequel le compresseur peut être activé du côté de l'utilisateur.
  6. Appareil de réfrigération et/ou de congélation selon la revendication 3, dans lequel le capteur est un capteur de porte, qui est configuré pour signaler une ouverture d'une porte à une unité de commande ou de régulation pour activer le fonctionnement du compresseur.
EP16205698.0A 2015-12-30 2016-12-21 Appareil de réfrigération et/ou de congélation Active EP3187799B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015016910.6A DE102015016910A1 (de) 2015-12-30 2015-12-30 Kühl- und/oder Gefriergerät

Publications (2)

Publication Number Publication Date
EP3187799A1 EP3187799A1 (fr) 2017-07-05
EP3187799B1 true EP3187799B1 (fr) 2021-03-03

Family

ID=57583053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16205698.0A Active EP3187799B1 (fr) 2015-12-30 2016-12-21 Appareil de réfrigération et/ou de congélation

Country Status (3)

Country Link
EP (1) EP3187799B1 (fr)
DE (1) DE102015016910A1 (fr)
ES (1) ES2871075T3 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003130538A (ja) * 2001-10-18 2003-05-08 Matsushita Refrig Co Ltd コンポーネント冷蔵庫
EP1677059A2 (fr) * 2004-12-30 2006-07-05 LG Electronics, Inc. Système de refroidissement hybride et réfrigérateur et congélateur l'utilisant
US20070180839A1 (en) * 2006-02-09 2007-08-09 Daewoo Electronics Corporation Cooling apparatus of kimchi refrigerator and method therefor
WO2009003893A2 (fr) * 2007-06-29 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique et procédé pour maintenir une température prédéterminée à une valeur constante dans un compartiment réfrigérant de l'appareil frigorifique
DE102010063384A1 (de) * 2010-12-17 2012-06-21 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
US20150308721A1 (en) * 2011-05-31 2015-10-29 Lg Electronics Inc. Refrigerator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8428748U1 (de) * 1984-09-29 1985-06-27 TYLER Refrigeration GmbH, 6250 Limburg Überwachungs- und Steuereinrichtung für Kälteanlagen und Wärmepumpen
GB8516410D0 (en) * 1985-06-28 1985-07-31 Barker George & Co Ltd Refrigeration systems
ATE547285T1 (de) * 2006-01-30 2012-03-15 Amerigon Inc Kühlsystem für ein behältnis in einem fahrzeug
US9182158B2 (en) * 2013-03-15 2015-11-10 Whirlpool Corporation Dual cooling systems to minimize off-cycle migration loss in refrigerators with a vacuum insulated structure
CN202709531U (zh) * 2012-06-06 2013-01-30 合肥华凌股份有限公司 制冷系统及具有该制冷系统的冰箱
CH710088B1 (de) * 2014-09-08 2021-05-14 V Zug Ag Kühlgerät mit wählbaren Geräuschemissionen.
DE102015106620A1 (de) * 2015-04-29 2016-11-03 Aht Cooling Systems Gmbh Kühlregalvorrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003130538A (ja) * 2001-10-18 2003-05-08 Matsushita Refrig Co Ltd コンポーネント冷蔵庫
EP1677059A2 (fr) * 2004-12-30 2006-07-05 LG Electronics, Inc. Système de refroidissement hybride et réfrigérateur et congélateur l'utilisant
US20070180839A1 (en) * 2006-02-09 2007-08-09 Daewoo Electronics Corporation Cooling apparatus of kimchi refrigerator and method therefor
WO2009003893A2 (fr) * 2007-06-29 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Appareil frigorifique et procédé pour maintenir une température prédéterminée à une valeur constante dans un compartiment réfrigérant de l'appareil frigorifique
DE102010063384A1 (de) * 2010-12-17 2012-06-21 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
US20150308721A1 (en) * 2011-05-31 2015-10-29 Lg Electronics Inc. Refrigerator

Also Published As

Publication number Publication date
EP3187799A1 (fr) 2017-07-05
DE102015016910A1 (de) 2017-07-06
ES2871075T3 (es) 2021-10-28

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