EP2313719B1 - Moyen de fermeture d'un conduit d'eau de dégivrage d'un réfrigérateur, conduit d'eau de dégivrage d'un réfrigérateur, et réfrigérateur correspondant - Google Patents

Moyen de fermeture d'un conduit d'eau de dégivrage d'un réfrigérateur, conduit d'eau de dégivrage d'un réfrigérateur, et réfrigérateur correspondant Download PDF

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Publication number
EP2313719B1
EP2313719B1 EP09780539A EP09780539A EP2313719B1 EP 2313719 B1 EP2313719 B1 EP 2313719B1 EP 09780539 A EP09780539 A EP 09780539A EP 09780539 A EP09780539 A EP 09780539A EP 2313719 B1 EP2313719 B1 EP 2313719B1
Authority
EP
European Patent Office
Prior art keywords
closure means
channel
abtauwasserkanal
channel closure
water
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
EP09780539A
Other languages
German (de)
English (en)
Other versions
EP2313719A2 (fr
Inventor
Thomas Bischofberger
Martin Buchstab
Hans Ihle
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 EP2313719A2 publication Critical patent/EP2313719A2/fr
Application granted granted Critical
Publication of EP2313719B1 publication Critical patent/EP2313719B1/fr
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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
    • 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
    • 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
    • F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections

Definitions

  • the present invention relates to a Abtauwasserkanal a cooling device, in particular a NoFrost cooling device and a cooling device, in particular a NoFrost cooling device.
  • the air is supplied by means of a circulating air system in the cooling chamber to an evaporator, which is arranged in particular outside the actual cooling space. Ice forms on the evaporator.
  • the evaporator thaws regularly, the defrost water is discharged through a Abtauwasserkanal.
  • the defrosting water channel can be filled with e.g. integrated a siphon.
  • the disadvantage is that in particular already before starting the refrigerator, or until the time until the siphon is filled with water, ambient air and moisture can flow through the Abtauwasserkanal in the refrigerator or to the evaporator and can freeze the evaporator. Conventionally, this is often prevented by a membrane that prevents the entry of ambient air and moisture on one side and on the other hand allows the flow of defrost water.
  • a further disadvantage is that such a membrane often has a structure that is prone to biological growth.
  • the water-soluble seal may be formed as a water-soluble non-woven fabric or as a water-soluble, tablet-like closure.
  • JP 10267507 discloses a drainage system on a freezer and refrigerator system.
  • the tube is closed by a water-soluble closure, which is disc-shaped. In contact with water it dissolves and forms a bacteria-resistant and dirt-resistant film.
  • the object of the invention is therefore to prevent an influx of ambient air through a Abtauwasserkanal to an evaporator of a refrigerator, while avoiding the disadvantages of the prior art, wherein the biological growth is reduced or even prevented, and in addition the connection of a Cooler easy and inexpensive to allow, and the assembly of items is particularly simple and inexpensive.
  • the environmental compatibility should also be improved.
  • the object is achieved with a Abtauwasserkanal a cooling device, in particular a NoFrost cooling device, with a water-soluble channel closure means, which is designed as a film, in particular starch foil.
  • a cooling device is in particular automatically defrostable and, for example, a refrigerator, a freezer or a fridge-freezer or a freezer.
  • a NoFrost cooling device is a cooling device in which the evaporator outside the cooling compartment in an evaporator compartment, and the cooling air is circulated via cooling air ducts using a fan between evaporator compartment and cooling compartments. The evaporator of such a refrigerator can be defrosted by a defrost heater.
  • the Abtauwasserkanal the cooling unit transported in the refrigerator, in particular at the evaporator resulting defrost water outside the refrigerator, so that the defrost water outside the refrigerator, in particular by utilizing the waste heat of a compressor, can evaporate.
  • the Abtauwasserkanal is for example a pipe, a hose or a gutter.
  • An inventive channel closure means dissolves by contact with water, in particular by the contact with defrost water of a cooling device. It therefore seals the Abtauwasserkanal a cooling device from time to time, so that no ambient air and moisture can flow through the Abtauwasserkanal, and that until it dissolves due to contact with water. With the channel closure means the Abtauwasserkanal is therefore at least partially closed. Since the channel sealant dissolves on contact with water, the operation of the refrigerator is not at risk of biologically increasing.
  • the channel closure means is formed as a film, in particular as a starch film.
  • a film is inexpensive to produce and allows optimal adaptation of the closure means to the geometry of the cross section of the Abtauwasserkanals.
  • Starch foil is also environmentally friendly degradable.
  • any other channel closure means with which the Abtauwasserkanal is temporarily closed For example, the plug or a plate whose geometry is adapted to the cross section of the Abtauwasserkanals so that the Abtauwasserkanal is closed with them and are made of any water-soluble material.
  • the channel closure means comprises a substance which prevents biological growth, for example a salt, gel or liquid.
  • a substance which prevents biological growth for example a salt, gel or liquid.
  • the channel closure agent comprises the substance
  • the substance is activated only if the biological growth due to the dissolving channel closure agent actually has to be prevented.
  • the channel closure means comprises the substance, for example in tablet form, wherein the tablets are, for example, sealed in the channel closure means, or it is integrated in the channel closure means in any other form.
  • the substance is particularly preferably water-soluble, so that it can be discharged with the water.
  • the channel closure means may also have a composite structure, wherein, for example, the substance forms part of the channel closure means.
  • the substance is provided separately from the film in the Abtauwasserkanal, for example, in the flow direction of the defrost water before and / or behind the film and / or additionally integrated into the film. Also preferably, the substance forms the channel closure means or it is an additional channel closure means temporarily occluding the defrost water channel.
  • the object is also achieved with a Abtauwasserkanal a cooling device, wherein the Abtauwasserkanal comprises a channel closure means according to the invention for closing the Abtauwasserkanals.
  • the Abtauwasserkanal is closed with the channel closure means until it comes into contact with water and thereby dissolves.
  • the defrost water channel can be drained by the defrost water and discharged to the outside of the cooling unit.
  • the channel closure means is arranged in Abtauwasserkanal substantially transverse to the flow direction of the defrost water.
  • the outer geometry of the channel closure means is substantially congruent to the internal geometry of the Abtauwasserkanals, so that the channel closure means reliably seals the Abtauwasserkanal as long as it does not dissolve through contact with water.
  • the size of the The required channel closure means is therefore determined essentially by the size of the Abtauwasserkanals, so that the channel closure means is small and inexpensive stainsbar.
  • the Abtauwasserkanal comprises a siphon, wherein the channel closure means is arranged in the flow direction of the defrost water behind the siphon.
  • the siphon is first filled with defrost water. Only then does the channel closure come into contact with the water and dissolve. Since the siphon is already filled with defrost water, no ambient air can flow through the Abtauwasserkanal to the evaporator even after the dissolution of the channel closure means.
  • the channel closure means is arranged in the Abtaubergkanal that it dissolves completely, for example by it comes along its entire water-facing surface with the water in contact.
  • the substance for preventing the biological growth is preferably additionally arranged upstream of the siphon in the direction of flow of the defrosting water.
  • the substance can be arranged, for example, in tablet form or in any other form in the defrost water channel, for example as salt, gel or liquid and, for example, in the form of a packet.
  • the channel closure means may also comprise the substance.
  • the object is also achieved with a cooling device, in particular a NoFrost cooling device, wherein the cooling device comprises a Abtauwasserkanal invention.
  • a cooling device in particular a NoFrost cooling device, wherein the cooling device comprises a Abtauwasserkanal invention.
  • the channel closure means dissolves when it comes into contact with water. If the channel closure agent itself promotes biological growth, this is prevented by the Abtauwasserkanal and / or in the Channel closure means even a biological growth-preventing substance is arranged or is included.
  • the substance contained in the channel closure means is activated only at the time when the channel closure means dissolves. Activation during storage of the refrigerator or its transport is therefore safely avoided, so that the biological growth preventing effect is safely maintained until the dissolution time of the channel closure means.
  • Fig. 1 schematically shows a section of a Abtauwasserkanal 2 of a refrigerator.
  • a channel closure means 1 is arranged, that closes the Abtauwasserkanal 2 against ingress of ambient air and moisture until it comes into contact with water and dissolves.
  • the channel closure means 1 comprises a biological growth inhibiting substance 4, here in tablet form, which is integrated into the channel closure means 1 such that the tablet does not come into contact with water until the channel closure means 1 dissolves. Therefore, the effect of the tablet only occurs when the channel closure means 1 dissolves and, if the dissolution of the channel closure means 1 promotes biological growth, the action of the substance 4 is also needed.
  • the arrows show schematically the flow direction F of the defrost water.
  • the Abtauwasserkanal 2 has a substantially oval cross-section, so that the channel closure means 1 has an oval cross-section and the outer periphery of the channel closure means 1 corresponds to the inner periphery of Abtauwasserkanals 2. Therefore, the channel closure means 1 seals the Abtauwasserkanal 2 against the flow direction F in the Abtauwasserkanal incoming ambient air and moisture, so that no ambient air or moisture through the Abtauwasserkanal 2 against the flow direction F to the evaporator 6 (s. Fig. 2 ) and can freeze it.
  • Fig. 2 schematically shows a further embodiment of a Abtauwasserkanals 2 of a refrigerator and an evaporator 6, to which the defrost water channel 2 is connected.
  • an evaporator 6 is arranged, for example, on the interior-side rear wall of a refrigerator, for example a refrigerator or freezer or a freezer, or for example below the compartments or drawers of a refrigerator or freezer. Or the back wall or the compartment form the evaporator 6.
  • the moisture condensed on the evaporator 6 iced up from the refrigerator interior.
  • the moisture thaws off and flows as defrost water through the Abtauigankanal 2 in the flow direction F outside the refrigerator.
  • the Abtauwasserkanal 2 has a U-shaped siphon 5.
  • the channel closure means 1 is arranged so that it comes into contact with the defrost water only after filling of the siphon 5 and dissolves. Therefore, at no time ambient air or moisture through the Abtauwasserkanal 2 flow against the flow direction F to the evaporator 6 and freeze it.
  • a tablet having a biological growth preventing substance 4 is disposed in the siphon.

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)
  • Removal Of Water From Condensation And Defrosting (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Defrosting Systems (AREA)

Claims (6)

  1. Canal d'eau de dégivrage (2) d'un appareil de réfrigération, notamment d'un appareil de réfrigération no frost, comprenant un moyen d'obturation de canal (1) soluble dans l'eau, caractérisé en ce que le moyen d'obturation de canal (1) est réalisé comme feuille, notamment comme feuille d'amidon.
  2. Canal d'eau de dégivrage (2) selon la revendication 1, caractérisé en ce que le moyen d'obturation de canal (1) comprend une substance (4) qui empêche la croissance biologique.
  3. Canal d'eau de dégivrage (2) selon la revendication 2, caractérisé en ce que le moyen d'obturation de canal (1) est disposé dans le canal d'eau de dégivrage (2) essentiellement transversalement au sens d'écoulement (F) de l'eau de dégivrage.
  4. Canal d'eau de dégivrage (2) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il comprend un siphon (5), le moyen d'obturation de canal (1) étant disposé derrière le siphon (5) dans le sens d'écoulement (F) de l'eau de dégivrage.
  5. Canal d'eau de dégivrage (2) selon l'une quelconque des revendications 2 à 4, caractérisé en ce que la substance (4) destinée à empêcher la croissance biologique est disposée devant le siphon (4), notamment en plus dans le sens d'écoulement (F) de l'eau de dégivrage.
  6. Appareil de réfrigération, notamment appareil de réfrigération no frost, caractérisé en ce que l'appareil de réfrigération comprend un canal d'eau de dégivrage (2) selon l'une quelconque des revendications 1 à 5.
EP09780539A 2008-07-15 2009-07-14 Moyen de fermeture d'un conduit d'eau de dégivrage d'un réfrigérateur, conduit d'eau de dégivrage d'un réfrigérateur, et réfrigérateur correspondant Active EP2313719B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008040430A DE102008040430A1 (de) 2008-07-15 2008-07-15 Kanalverschlussmittel für einen Abtauwasserkanal eines Kühlgerätes, Abtauwasserkanal eines Kühlgerätes sowie Kühlgerät
PCT/EP2009/058957 WO2010007044A2 (fr) 2008-07-15 2009-07-14 Moyen de fermeture d'un conduit d'eau de dégivrage d'un réfrigérateur, conduit d'eau de dégivrage d'un réfrigérateur, et réfrigérateur correspondant

Publications (2)

Publication Number Publication Date
EP2313719A2 EP2313719A2 (fr) 2011-04-27
EP2313719B1 true EP2313719B1 (fr) 2012-09-19

Family

ID=40591890

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08875488A Ceased EP2313720A1 (fr) 2008-07-15 2008-12-18 Moyen de fermeture d'un canal d'eau de décongélation d'un réfrigérateur, canal d'eau de décongélation d'un réfrigérateur et réfrigérateur
EP09780539A Active EP2313719B1 (fr) 2008-07-15 2009-07-14 Moyen de fermeture d'un conduit d'eau de dégivrage d'un réfrigérateur, conduit d'eau de dégivrage d'un réfrigérateur, et réfrigérateur correspondant

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08875488A Ceased EP2313720A1 (fr) 2008-07-15 2008-12-18 Moyen de fermeture d'un canal d'eau de décongélation d'un réfrigérateur, canal d'eau de décongélation d'un réfrigérateur et réfrigérateur

Country Status (7)

Country Link
US (1) US20110107783A1 (fr)
EP (2) EP2313720A1 (fr)
CN (1) CN102099643A (fr)
DE (1) DE102008040430A1 (fr)
ES (1) ES2394993T3 (fr)
RU (1) RU2499206C2 (fr)
WO (2) WO2010006662A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009011510U1 (de) * 2009-08-24 2009-10-29 BSH Bosch und Siemens Hausgeräte GmbH Kanalverschlussmittel für einen Abtauwasserkanal eines Kühlgerätes, Abtauwasserkanal eines Kühlgerätes sowie Kühlgerät
ES2411905T3 (es) * 2009-08-21 2013-07-09 BSH Bosch und Siemens Hausgeräte GmbH Aparato de refrigeración con un canal de agua de deshielo cerrado por un medio de cierre del canal
JP6079610B2 (ja) * 2013-02-25 2017-02-15 株式会社デンソー 排水装置及びこれを備える空調装置
DE102015219327A1 (de) 2015-10-07 2017-04-13 BSH Hausgeräte GmbH Kältegerät mit Siphon im Kondensatablauf
CN108800729A (zh) * 2018-06-14 2018-11-13 安徽康佳同创电器有限公司 一种压缩机导热装置
DE102019211039A1 (de) * 2019-07-25 2021-01-28 BSH Hausgeräte GmbH Kältegerät und Wasserauslaufanordnung für ein Kältegerät

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US3910298A (en) * 1973-09-12 1975-10-07 Albert Shotmeyer Method of installing a water removing and/or contents indicating device in an existing underground liquid fuel tank
US4843835A (en) * 1988-09-27 1989-07-04 Amana Refrigeration, Inc. Refrigerator drain funnel
US4893481A (en) * 1988-10-17 1990-01-16 Sullivan John T Convector tray
US5644925A (en) * 1996-07-02 1997-07-08 Chaves; Manuel J. Air conditioning system condensing trap
US5720183A (en) * 1996-09-17 1998-02-24 General Electric Company Water trap cup
JPH10267507A (ja) * 1997-03-28 1998-10-09 Sanyo Electric Co Ltd 冷凍・冷蔵設備の排水装置
DE20000595U1 (de) * 2000-01-17 2000-03-09 Linde Ag Siphon für ein Warenpräsentationsmöbel
DE10027489A1 (de) * 2000-06-02 2001-12-06 Alpla Werke Einem Gefäß zuordbarer Kippdüsenverschluss
US6895771B1 (en) * 2003-04-22 2005-05-24 Christopher R. Cantolino Dual p-trap and valve air conditioner discharge water saver system
RU39689U1 (ru) * 2004-03-31 2004-08-10 Федеральное государственное унитарное предприятие "Производственное объединение "Завод имени Серго" Морозильник-ларь
DE202005018725U1 (de) * 2005-11-30 2006-02-09 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Siphon
DE102006018423A1 (de) * 2006-04-20 2007-10-25 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem Kondensatablaufsystem
UA58371U (ru) * 2010-09-23 2011-04-11 Институт Химии Высокомолекулярных Соединений Национальной Академии Наук Украины Антистатическое средство

Also Published As

Publication number Publication date
RU2499206C2 (ru) 2013-11-20
CN102099643A (zh) 2011-06-15
EP2313719A2 (fr) 2011-04-27
DE102008040430A1 (de) 2010-01-21
WO2010007044A2 (fr) 2010-01-21
RU2011101447A (ru) 2012-08-20
EP2313720A1 (fr) 2011-04-27
US20110107783A1 (en) 2011-05-12
WO2010006662A1 (fr) 2010-01-21
WO2010007044A3 (fr) 2010-03-18
ES2394993T3 (es) 2013-02-07

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