WO2017157523A1 - Réfrigérateur et/ou congélateur - Google Patents

Réfrigérateur et/ou congélateur Download PDF

Info

Publication number
WO2017157523A1
WO2017157523A1 PCT/EP2017/000341 EP2017000341W WO2017157523A1 WO 2017157523 A1 WO2017157523 A1 WO 2017157523A1 EP 2017000341 W EP2017000341 W EP 2017000341W WO 2017157523 A1 WO2017157523 A1 WO 2017157523A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
heat pipe
condenser
cooling
thermal contact
Prior art date
Application number
PCT/EP2017/000341
Other languages
German (de)
English (en)
Inventor
Martin Kerstner
Jochen Hiemeyer
Michael Freitag
Original Assignee
Liebherr-Hausgeräte Lienz Gmbh
Liebherr-Hausgeräte 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-Hausgeräte Lienz Gmbh, Liebherr-Hausgeräte Ochsenhausen GmbH filed Critical Liebherr-Hausgeräte Lienz Gmbh
Priority to CN201780017726.8A priority Critical patent/CN109196291A/zh
Priority to EP17711092.1A priority patent/EP3430333A1/fr
Priority to US16/084,243 priority patent/US20190056167A1/en
Priority to RU2018136208A priority patent/RU2731573C2/ru
Publication of WO2017157523A1 publication Critical patent/WO2017157523A1/fr

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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • 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
    • F25D23/00—General constructional features
    • F25D23/003—General constructional features for cooling 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141—Removal by evaporation
    • F25D2321/1412—Removal by evaporation using condenser heat or heat of desuperheaters

Definitions

  • the present invention relates to a refrigerator and / or freezer with at least one body and at least one arranged in the body cooled interior, the device having at least one refrigerant circuit, which serves to cool the interior, wherein the refrigerant circuit has at least one condenser.
  • the condensation of the refrigerant takes place, during which heat is released.
  • the present invention has the object of developing a refrigerator or freezer of the type mentioned in such a way that the Vertexerab Marvel is used efficiently.
  • At least one heat pipe is provided, which is in direct or indirect thermal contact with the condenser and which is arranged such that it forms at least part of the frame heating of the device and / or in thermal contact with the outer skin of the device stands.
  • the present invention thus uses the heat generated in the region of the condenser and indeed for operating a frame heating and / or for heating at least part of the outer jacket of the device according to the invention.
  • a frame heater is a heater to understand that heats a certain part of the body of the device, namely the directed to the closure element and the open side of the body surrounding area.
  • This frame heating can be performed circumferentially or the opening only partially, for example, U-shaped surrounded and has the purpose to prevent icing of the device in the region of the opening and thus in the region of the closure element, such as a door, flap or drawer.
  • the heating of the outer skin of the device has the advantage that an undesirable formation of condensate on the outer skin of the device is prevented.
  • the heating of the outer skin is thus designed such that the temperature of the outer skin is kept above the dew point of water.
  • the heat pipe can be filled with water or with a water-containing solution as a heat transport medium.
  • a heat pipe or heat pipe is based on the principle that on one side of the heat pipe evaporation of a heat transfer medium takes place and at another point and preferably in the other end of the heat pipe condensation takes place.
  • heat is supplied in one area of the heat pipe and in the other area in which the condensation takes place, heat is released by the heat pipe. This amount of heat released can now be used according to the invention to form a frame heating or to heat the outer skin of the device.
  • a separate frame heating which forms part of a refrigerant circuit, for example, can thus be dispensed with according to the invention, as well as a separate heating of the outer skin, for example by a heating foil.
  • any other heat transfer media come into consideration, by means of which the heat pipe is filled.
  • the heat pipe is designed as a vitreous thermal heat pipe.
  • the heat pipe thus preferably has no capillaries for transporting the heat transport medium.
  • the condenser communicates with at least one heat accumulator and is preferably arranged in a liquid bath, in particular in a water bath.
  • This embodiment of the invention utilizes the fact that the heat energy of the heat accumulator charged by the condenser with heat can be used to operate the heat pipe and thus to transfer the heat to another location of the apparatus.
  • the condenser may be arranged, for example, in the heat storage, such as in a liquid bath or with a heat storage in other ways in connection.
  • the present invention thus relates not only to the case where the at least one heat pipe is in thermal contact with the condenser, but also to the case where the at least one heat pipe is in thermal contact with the heat accumulator, which in turn is in thermal contact with the condenser ,
  • the heat pipe is in direct contact with the outer skin. It is sufficient if a thermal connection between the outer skin of the device is so far that a condensation on the outer skin can be reliably prevented.
  • exactly one heat pipe is arranged.
  • the device may also have a plurality of heat pipes, which are directly or indirectly in thermal contact with the condenser or with the heat storage of the condenser.
  • the at least one heat pipe by means of the at least one heat pipe, a large part of the heat quantity accumulating in the condenser is dissipated. It is conceivable, for example, that more than 50% and preferably more than 80% of the liquid accumulating heat quantities are removed by means of at least one heat pipe.
  • the embodiment relates to a refrigerator and / or freezer with a full vacuum insulation.
  • This is an insulation to understand in which the body consists of at least 90% of the insulating surface of a contiguous Vakuumdämmraum.
  • the vacuum insulation chamber has at least one vacuum insulation body, which preferably has a foil bag which serves as a covering of the vacuum insulation body and in which a core material, for example perlite, is located.
  • the film bag is vacuum-tight welded and has a vacuum inside, so that the heat transfer is correspondingly difficult.
  • the envelope of the film bag is a diffusion-tight enclosure, by means of which the gas input in the film bag is so greatly reduced that the gätragtrag-related increase in the thermal conductivity of the resulting Vakuumdämm stressess is sufficiently low over its lifetime away.
  • the life span is, for example, a period of 15 years, preferably 20 years and more preferably 30 years.
  • the increase in the thermal conductivity of the vacuum insulation body due to the introduction of gas is ⁇ 100% and particularly preferably ⁇ 50% over its service life.
  • the area specific gas transmission rate of the cladding is ⁇ 10-5 mbar * 1 / s * m 2, and more preferably ⁇ 10-6 mbar * 1 / s * m 2 (measured according to ASTM D-3985).
  • This gas passage rate applies to nitrogen and oxygen.
  • low gas flow rates are preferably in the range of ⁇ 10-2 mbar * I / s * m 2 and more preferably in the range of ⁇ 10-3 mbar * I / s * m 2 (measured according to ASTM F - 1249-90).
  • the above-mentioned small increases in the thermal conductivity are achieved by these low gas passage rates.
  • the vacuum insulation body can be arranged in the body and / or in the closure element, by means of which the body can be closed.
  • the present invention is not limited to such full vacuum refrigerators or freezers.
  • the invention also includes the case that a conventional thermal insulation, for example in the form of PU foam is present.
  • the refrigerator or freezer according to the invention has a refrigerant circuit, the at least one compressor, at least one downstream of this condenser, at least one downstream throttle, in particular capillary and at least one evaporator, in which enters the capillary leaving the refrigerant.
  • the refrigerant After flowing through the evaporator, the refrigerant passes back to the compressor via a suction line.
  • the evaporator absorbs heat from the cooled interior, with the refrigerant evaporating.
  • the condenser is used to condense the refrigerant, whereby heat is generated.
  • the condenser is according to the embodiment in a heat storage, such as in a water bath.
  • the heat accumulator communicates with one or more heat pipes, ie heat pipes. These are filled with water and designed such that the heat transfer medium therein is vaporized during operation of the heat medium circuit within the heat pipe.
  • the heat pipe is at its other end with the outer skin, which is preferably designed as a sheet metal jacket, in conjunction.
  • the condensation of the heat transfer medium takes place, whereby heat is released, which is transmitted to the outer skin of the device.
  • a heat pipe runs from the condenser or from the heat storage mentioned to a frame heating of the device, which extends around the open side of the body of the device and which serves to heat the door stop surface. This heat pipe thus also causes a heating of a certain area of the device and serves as a frame heating in this case.
  • the Vertexerab Marvel is used meaningfully, which can be dispensed with according to the use of separate heaters accordingly. Neither a separate frame heating is necessary, nor a separate heater for heating the outer skin for the purpose of condensate avoidance.
  • the heatpipes can transport the heat to a larger area of the outer skin or into the area of said frame, in order to be able to selectively effect a heating there.

Landscapes

  • 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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

La présente invention concerne un réfrigérateur et/ou un congélateur comprenant au moins un corps et au moins un compartiment intérieur réfrigéré situé dans ledit corps. Ledit réfrigérateur et/ou congélateur comporte au moins un circuit frigorifique qui sert à refroidir le compartiment intérieur, le circuit frigorifique comportant au moins un condenseur, au moins un conduit de chauffage étant en contact thermique direct ou indirect avec le condenseur et agencé de manière à former au moins une partie du chauffage de la peau extérieure dudit réfrigérateur et/ou congélateur, et/ou à être en contact thermique avec la peau extérieure dudit réfrigérateur et/ou congélateur.
PCT/EP2017/000341 2016-03-16 2017-03-16 Réfrigérateur et/ou congélateur WO2017157523A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201780017726.8A CN109196291A (zh) 2016-03-16 2017-03-16 冷却设备和/或冷冻设备
EP17711092.1A EP3430333A1 (fr) 2016-03-16 2017-03-16 Réfrigérateur et/ou congélateur
US16/084,243 US20190056167A1 (en) 2016-03-16 2017-03-16 Refrigerator And/Or Freezer Device
RU2018136208A RU2731573C2 (ru) 2016-03-16 2017-03-16 Холодильник и/или морозильник

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016003223.5A DE102016003223A1 (de) 2016-03-16 2016-03-16 Kühl- und/oder Gefriergerät
DE102016003223.5 2016-03-16

Publications (1)

Publication Number Publication Date
WO2017157523A1 true WO2017157523A1 (fr) 2017-09-21

Family

ID=58347313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/000341 WO2017157523A1 (fr) 2016-03-16 2017-03-16 Réfrigérateur et/ou congélateur

Country Status (6)

Country Link
US (1) US20190056167A1 (fr)
EP (1) EP3430333A1 (fr)
CN (1) CN109196291A (fr)
DE (1) DE102016003223A1 (fr)
RU (1) RU2731573C2 (fr)
WO (1) WO2017157523A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070071224A (ko) * 2005-12-29 2007-07-04 엘지전자 주식회사 응축기의 방열 효율이 향상된 직냉식 냉장고
JP2009030869A (ja) * 2007-07-26 2009-02-12 Sanyo Electric Co Ltd 冷却貯蔵庫の露付き防止装置
DE202008005339U1 (de) * 2008-04-17 2009-08-27 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
KR20110064738A (ko) * 2009-12-08 2011-06-15 엘지전자 주식회사 냉장고
EP2420773A2 (fr) * 2010-07-30 2012-02-22 LG Electronics Réfrigérateur

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310657A (en) * 1938-11-02 1943-02-09 John J Shively Multiple temperature refrigerating apparatus
US4827733A (en) * 1987-10-20 1989-05-09 Dinh Company Inc. Indirect evaporative cooling system
CN1242500A (zh) * 1998-06-30 2000-01-26 大宇电子株式会社 冰箱的防结露装置
DE202004007066U1 (de) * 2004-05-04 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Kondenswasserverdunstungssystem
DE202006007585U1 (de) * 2005-05-11 2006-10-05 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
JP2007248005A (ja) * 2006-03-17 2007-09-27 Sanyo Electric Co Ltd 冷蔵庫
DE102006040381A1 (de) * 2006-08-29 2008-03-06 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Druckausgleichsventil
DE102008054416A1 (de) * 2008-12-09 2010-06-10 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
JP2011112351A (ja) * 2009-11-30 2011-06-09 Sanyo Electric Co Ltd 冷凍装置
US20120102985A1 (en) * 2010-10-27 2012-05-03 General Electric Company Conductive surface heater for a refrigerator
DE102014222113A1 (de) * 2014-10-29 2016-05-04 BSH Hausgeräte GmbH Kältegerät mit einem Wärmekreislaufsystem

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070071224A (ko) * 2005-12-29 2007-07-04 엘지전자 주식회사 응축기의 방열 효율이 향상된 직냉식 냉장고
JP2009030869A (ja) * 2007-07-26 2009-02-12 Sanyo Electric Co Ltd 冷却貯蔵庫の露付き防止装置
DE202008005339U1 (de) * 2008-04-17 2009-08-27 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
KR20110064738A (ko) * 2009-12-08 2011-06-15 엘지전자 주식회사 냉장고
EP2420773A2 (fr) * 2010-07-30 2012-02-22 LG Electronics Réfrigérateur

Also Published As

Publication number Publication date
RU2731573C2 (ru) 2020-09-04
US20190056167A1 (en) 2019-02-21
CN109196291A (zh) 2019-01-11
RU2018136208A3 (fr) 2020-07-23
RU2018136208A (ru) 2020-04-16
EP3430333A1 (fr) 2019-01-23
DE102016003223A1 (de) 2017-09-21

Similar Documents

Publication Publication Date Title
WO2014032649A1 (fr) Dispositif de refroidissement pour des composants placés dans l'espace interne d'une armoire de commande
EP2374509B1 (fr) Appareil de circuit respiratoire
EP2643645B1 (fr) Machine frigorifique à adsorption avec une cuve à vide permettant d'éliminer les gaz étrangers
EP2881690B1 (fr) Dispositif de refroidissement destiné à l'évacuation d'un flux thermique
DE10250510A1 (de) Adsorptions-Kühlapparat mit Pufferspeicher
EP3430333A1 (fr) Réfrigérateur et/ou congélateur
EP0136458A1 (fr) Récipient pour refroidir de la marchandise à garder au froid
EP3430329A1 (fr) Appareil de réfrigération et/ou de congélation
DE102014222113A1 (de) Kältegerät mit einem Wärmekreislaufsystem
EP3260797B1 (fr) Système de conditionnement d'air intérieur et arrangement du système de conditionnement d'air intérieur
DE102009023985A1 (de) Abwärmerückgewinnungsvorrichtung
DE102008004858A1 (de) Temperieren der Düsenplatte eines Unterwassergranulators
EP3430330A1 (fr) Circuit frigorifique pour réfrigérateur et/ou congélateur
DE102007062006A1 (de) Verflüssiger für ein Kältegerät und Verfahren zum Betreiben desselben
DE2010967C3 (de) Kryostat
EP2697580A2 (fr) Dispositif évaporateur pour appareil frigorifique
EP0010181A1 (fr) Armoire frigorifique à absorption
WO2017157522A2 (fr) Réfrigérateur et/ou congélateur
EP3810999B1 (fr) Procédé de fonctionnement d'une pompe à chaleur et machine frigorifique
EP0705907B1 (fr) Procédé et installation pour le refroidissement au gaz de pièces à usiner
DE2061570C3 (de) Kühlmöbel, insbesondere Kühlschrank
DE102007011115A1 (de) Kältegerät mit zweistufigem Wärmetauscher
DE102020104469A1 (de) Kühl- und/oder Gefriergerät mit aktiver Feuchteregelung
DE102012004624A1 (de) Verdampfer
EP1881279B1 (fr) Réfrigérateur

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2017711092

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2017711092

Country of ref document: EP

Effective date: 20181016

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17711092

Country of ref document: EP

Kind code of ref document: A1