EP2697579A1 - Dispositif d'évaporation pour un appareil de froid - Google Patents

Dispositif d'évaporation pour un appareil de froid

Info

Publication number
EP2697579A1
EP2697579A1 EP12715035.7A EP12715035A EP2697579A1 EP 2697579 A1 EP2697579 A1 EP 2697579A1 EP 12715035 A EP12715035 A EP 12715035A EP 2697579 A1 EP2697579 A1 EP 2697579A1
Authority
EP
European Patent Office
Prior art keywords
evaporation
condenser
air flow
housing
refrigeration
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.)
Granted
Application number
EP12715035.7A
Other languages
German (de)
English (en)
Other versions
EP2697579B1 (fr
Inventor
Oscar De la Rosa
Frank Cifrodelli
Niels Liengaard
Sebastian Rau
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
Priority to PL12715035T priority Critical patent/PL2697579T3/pl
Publication of EP2697579A1 publication Critical patent/EP2697579A1/fr
Application granted granted Critical
Publication of EP2697579B1 publication Critical patent/EP2697579B1/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
    • 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
    • F25D2321/141—Removal by evaporation
    • F25D2321/1411—Removal by evaporation using compressor heat
    • 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
    • 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
    • F25D2321/144—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans
    • F25D2321/1442—Collecting condense or defrost water; Removing condense or defrost water characterised by the construction of drip water collection pans outside a refrigerator

Definitions

  • the invention relates to an evaporation device for the evaporation of defrost water from a refrigeration device, in particular from a household refrigerator. Furthermore, the invention relates to a condenser for a refrigerant circuit of a refrigeration device and a refrigeration device equipped with the evaporation device, in particular
  • a refrigeration device Under a refrigeration device is in particular a household refrigeration appliance understood, ie a refrigeration appliance for household management in households or possibly in the
  • Catering area is used, and in particular serves to store food and / or drinks in household quantities at certain temperatures, such as a refrigerator, a freezer, a fridge-freezer, a freezer or a wine storage cabinet.
  • Refrigerator At high humidity or at high cooling capacity there is a risk that the defrost water collected in the evaporation container does not evaporate quickly enough and the evaporation tank overflows. To counteract this, the evaporation container is often arranged in the vicinity of a heat source, for example on a compressor of the refrigerator.
  • the object of the invention is to propose an evaporation device for the evaporation of defrost water of a refrigerator, which is inexpensive to produce and has a small footprint.
  • a refrigeration device having the evaporation device is the subject of
  • An evaporation device for evaporating defrost water from a refrigeration device, in particular from a household refrigerating appliance has a condenser to be arranged in a refrigerant circuit of the refrigerating appliance as a heat source and an evaporator
  • the condenser together with other components of the refrigerant circuit, usually located in an outdoor area of the refrigerator and can deliver the heat of condensation to the environment outside the refrigerator. It thus forms a heat source. Is at the condenser now also at the same time the evaporation tank with the therein
  • the heat emitted by the condenser heat can be delivered directly to the evaporation tank and thus the
  • Heat defrost water Due to the evaporation of the defrost water, the heat is removed from the condenser and by such training can thus be dispensed with expensive training of heating pipes, it is very compact and also contributes to an increased life of the condenser.
  • the condenser has a compact condenser. This can be the
  • Evaporator advantageously small and space-saving design.
  • a surrounding the condenser housing is provided, in particular such that the evaporation container is formed integrally with a housing wall of the housing.
  • the housing is formed of plastic, the housing and the evaporation container so for example simply by
  • Plastic mold processes are produced in one piece. It will not be more parts needed, but the evaporation device can be made very compact in a single part.
  • the evaporation performance of the evaporation device can advantageously be further increased.
  • the airflow generation device is in fluid communication with an interior of the housing.
  • the air flow generating means may allow the air warmed and dry by the condenser to flow in the air
  • the interior of the housing jams, transported out of the housing and bring over the surface of the defrost water in the evaporation tank.
  • the air flow generating device for sucking dry, heated air from the condenser is designed for this purpose.
  • the air flow generation device is arranged in the housing wall. This results in advantageous a particularly compact design of
  • Housing wall arranged in the integrally also the evaporation container is formed and under which the condenser is located, it can advantageously suck the air directly from the condenser on the surface of the defrost water.
  • the air flow generation device is a fan, a fan and / or a blower.
  • a refrigeration device in particular a household refrigerating appliance, has a refrigerator housing with at least one interior space and a refrigerant circuit designed to cool the at least one interior space.
  • the interior preferably forms either a freezer compartment in, for example, a freezer or the refrigerator compartment in, for example, a refrigerator or, for example, in the case of a refrigerator freezer combination, a plurality of interior spaces may also be present.
  • the refrigerant circuit has at least one of the following components:
  • Condenser, throttle and compressor are preferably arranged outside the at least one interior of the refrigerator, while the evaporator is preferably arranged in or on the at least one interior.
  • a refrigerant runs in the refrigerant circuit and is, initially in gaseous
  • the refrigerant heats up. This heat is released via the condenser to the environment, whereby the refrigerant condenses.
  • the refrigerant flows through a throttle, i. for example, an expansion valve, and then in the evaporator, which is arranged in or on the interior of the refrigerator. It expands and evaporates and absorbs the necessary heat of vaporization from the at least one interior of the refrigerator. Thus returned to the gaseous state, it flows to the compressor, whereby the refrigerant circuit is closed.
  • such a refrigeration device has the described
  • a machine room for receiving parts of the refrigerant circuit is provided, which is in fluid communication with an environment of the refrigeration device. This allows air to flow from the engine room into the environment and it is advantageously avoided a heat and moisture accumulation in the engine room.
  • Air flow generating device generated air flow formed.
  • the housing wall with the evaporation container and the air flow generation device adjacent to the engine room wall More preferably, the housing wall with the evaporation container and the air flow generation device adjacent to the engine room wall
  • the engine room wall advantageously forms a boundary for the air flow generated by the air flow generation means and pushes the moving air out of the evaporation tank parallel to the surface of the defrost water. It thus advantageously results in a forced air flow of the
  • the evaporation container is designed for receiving defrosting water accumulating on the evaporator and / or on inner walls of the at least one inner space.
  • defrosting water accumulating on the evaporator and / or on inner walls of the at least one inner space.
  • water condenses rapidly on the inner walls or on the evaporator in the at least one interior of the refrigeration appliance, especially if the refrigeration appliance is a freezer.
  • lines are provided for quickly discharging the defrosting water from the evaporator and / or from the inner walls of the at least one inner space to the evaporation container, so that the defrosting water can be quickly led out of the at least one inner space.
  • the condenser has a compact condenser, wherein the compact condenser, the evaporation tank and / or the air flow generation device are integrated into the housing of the evaporation device.
  • a particularly compact refrigeration device can be provided, in which the heat emitted by the condenser heat can be effectively used for heating and evaporation of the defrost water in the evaporation tank and can be transported over the air flow generation device quickly away from the surface.
  • Fig. 1 shows a refrigerator for the household with a schematically illustrated
  • FIG. 2 shows a detailed view of the condenser from the refrigeration device of FIG. 1;
  • Fig. 3 is a bottom view of the evaporation device of Fig. 1;
  • FIG. 4 is a top view of the evaporation device of FIG. 1.
  • Fig. 1 shows a refrigeration device 10 with a refrigerator housing 12, the inner walls 14 together with a door 16 define an interior 18 of the refrigerator 10.
  • the refrigeration device 10 has a refrigerant circuit 20, which is partially arranged in a machine room 22 in the lower region of the refrigeration device 10.
  • the refrigerant circuit 20 has an evaporator 24, a compressor 26, a condenser 28 and a throttle 30.
  • the evaporator 24 is arranged in the interior 18 of the refrigerating appliance 10, while the compressor 26 and the condenser 28 are arranged in the machine room 22. Further, in the engine room 22 a
  • Evaporator 32 is arranged, which has a housing 34, a
  • Evaporation tank 36 and an air flow generator 38 has.
  • refrigerant circuit 20 is along the arrow directions shown
  • Refrigerant 40 passed.
  • the refrigerant 40 receives energy in the interior 18 in the form of heat and releases this heat in the engine room 22 to the environment 42. For this purpose, it is compressed in the compressor 26 and then passed via a line 44 to the condenser 28.
  • Refrigerant circuit 20 to be forwarded.
  • the refrigerant 48 which is still gaseous at the inflow 48 cools off and liquefies in this way.
  • the refrigerant 40 releases energy in the form of heat to the environment 42.
  • the condenser 28 has heat exchange elements 52 in the form of fins 54 in order to enlarge the surface which is relevant for the release of heat. These are glued or soldered to the snakes 46 and additionally receive energy from the snakes 46 in order to then release them in the form of heat to the environment 42.
  • the refrigerant 40 is, as shown in Fig. 1, from the condenser 28 in the
  • Evaporator 24 passes and passes through the throttle 30.
  • the refrigerant 40 expands into the evaporator 24 inside.
  • the refrigerant 40 requires energy, which it takes in the form of heat from the interior 18 of the
  • Refrigeration device 10 receives. After expansion, the refrigerant 40 flows back to
  • Engine room wall 60 which separates the engine room 22 from the interior 18, discharged into the evaporation tank 36, immediately below the first
  • Engine room wall 60 is arranged.
  • the defrost water 56 thus trapped in the evaporation tank 36 is vaporized via the evaporation device 32 and flows along the arrow direction shown into the environment 42 into the engine room 22.
  • the engine room 22 is fluidly connected to an outer environment 66 via slots 64 formed in a rear second engine room wall 62 , Due to the very dense arrangement of the evaporation tank 36 below the first
  • the generated air flow is first pressed onto a surface 68 of the Abtauwassers 56 received in the evaporation tank 36, then to the side and then through the slots 64 in the outer environment 66. The by the
  • Evaporative container 36 are transported away so that dry air with higher moisture absorption capacity can flow.
  • the evaporation device 32 is shown in more detail in FIGS. 3 and 4.
  • Fig. 3 shows a view from below of the evaporation device 32
  • Fig. 4 shows a top view.
  • the condenser 28, designed as a compact condenser 70, is arranged in the lower region of the housing 34, surrounded by the housing 34.
  • the housing 34 prevents the air heated by the condenser 28 from being released unhindered to the environment 42. It is rather jammed in the housing 34.
  • Evaporative container 36 is formed.
  • a receptacle 74 for receiving the air flow generator 38 is further provided integrally with the housing wall 72.
  • the housing wall 72 as also seen in FIG. 4, is pierced in the region where the air flow generator 38 is disposed in the receiver 74 so that the air flow generator 38 is in fluid communication with an interior portion 76 of the housing 34.
  • defrosting water 56 located in the evaporation container 36 is prevented from reaching the inner region 76 of the housing 34.
  • the air flow generation device 38 is designed as a fan 80, which, in operation, sucks up warm dry air, which has accumulated in the housing 34 around the condenser 28, and into the
  • Evaporative tank 36 passes. There, the warm dry air absorbs moisture through the evaporating defrost water 56 and, due to the interaction of the fan 80 with the first engine room wall 60, not shown here, laterally from the evaporation tank 36 first in the environment 42 in the engine room 22 and then in the outside environment 66 routed away.
  • Refrigeration appliances 10 extract heat from a room with a low temperature level, as a rule the interior 8 of the refrigeration appliance 10, in order to deliver it to another room with a higher temperature level, as a rule the external environment 66 of the refrigeration appliance 10.
  • the evaporator 24 has in this refrigerant circuit 20, the task to cool the interior 18.
  • the evaporator 24 reaches a temperature well below freezing point and thus can withdraw heat from the interior 18.
  • a disadvantage of this process is that the moisture contained in the air condenses on the evaporator 24 and thus has ripening or ice formation.
  • a refrigeration device 10 which is designed for example as a refrigerator, thawing the ice thus formed in the compressor service life again and runs through a pipe on the rear inner wall 14 along in the evaporation tank 36.
  • a refrigerator designed as a freezer 10
  • the ice does not thaw in the service life and must be defrosted by additional heating.
  • the resulting defrost water 56 is preferably collected in an evaporation tank 36 and preferably evaporates until the next defrost cycle.
  • the defrost water 56 is usually collected in plastic trays. These are mounted either on the compressor 26 or under the refrigerator housing 12, both variations being possible.
  • the defrost water 56 reaches the evaporation tank 36 through hoses or grooves which are mounted on the outside of the refrigerator housing 12.
  • the surface 68 of defrost water 56 has an influence on the evaporation performance Compressor running times, this surface 68 and the supplied heat from the compressor 26 is not always enough to evaporate the resulting defrost water 56. Therefore, heating pipes are often used in addition to the required
  • An embodiment of the evaporation device 32 has a plastic housing in which the compact condenser 70 and the fan 80 are integrated.
  • this housing 34 serves as an evaporation container 36, in which the housing wall 72 is provided for collecting the accumulating Abtauwassers 56.
  • the resulting heat of the compact liquefier 70 is discharged via direct contact in the evaporation tank 36.
  • the fan 80 sucks the warm dry air of the
  • a plastic housing is used to position the compact condenser 70 and the fan 80 in the engine room 22.
  • An integration of the evaporation tank 36 in this housing 34 is only slightly more expensive than a housing 34 without integrated evaporation tank 36.
  • Advantage of such an arrangement is a compact design and a higher evaporation performance than in the previously used methods.
  • Defrosting water 56 filled.
  • the hot air generated by the condenser 28 is distributed by the fan 80 to the surface 68 of the defrost water 56.
  • the fan 80 thus ensures good air circulation on the surface 68 of defrost water 56.

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)
  • Defrosting Systems (AREA)

Abstract

L'invention concerne un dispositif d'évaporation pour l'évaporation de l'eau de dégivrage d'un appareil de froid, notamment d'un appareil de froid ménager, comprenant un condenseur en tant que source de chaleur, à monter dans un circuit de réfrigérant de l'appareil de froid, et un bac d'évaporation formé sur le condenseur pour recevoir l'eau de dégivrage. L'invention porte également sur un appareil de froid, notamment un appareil de froid ménager, équipé d'un dispositif d'évaporation de ce type.
EP12715035.7A 2011-04-14 2012-04-04 Dispositif d'évaporation pour un appareil de froid Active EP2697579B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12715035T PL2697579T3 (pl) 2011-04-14 2012-04-04 Urządzenie odparowujące do urządzenia chłodniczego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011007415A DE102011007415A1 (de) 2011-04-14 2011-04-14 Verdunstungsvorrichtung für ein Kältegerät
PCT/EP2012/056200 WO2012139956A1 (fr) 2011-04-14 2012-04-04 Dispositif d'évaporation pour un appareil de froid

Publications (2)

Publication Number Publication Date
EP2697579A1 true EP2697579A1 (fr) 2014-02-19
EP2697579B1 EP2697579B1 (fr) 2015-07-29

Family

ID=45976340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12715035.7A Active EP2697579B1 (fr) 2011-04-14 2012-04-04 Dispositif d'évaporation pour un appareil de froid

Country Status (6)

Country Link
EP (1) EP2697579B1 (fr)
CN (1) CN103492822B (fr)
DE (1) DE102011007415A1 (fr)
ES (1) ES2547828T3 (fr)
PL (1) PL2697579T3 (fr)
WO (1) WO2012139956A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102012009692A1 (de) * 2012-05-01 2013-11-07 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
CN105358923A (zh) * 2012-12-31 2016-02-24 阿塞里克股份有限公司 除霜水蒸发盘、冷凝器固定器及其中使用它们的冷却装置
TR201720153T4 (tr) * 2013-09-30 2018-01-22 Arcelik As Zorlanmış taşınımlı ısı değiştirici içeren bir soğutucu cihaz.
EP3063481B1 (fr) 2013-10-31 2020-02-05 Arçelik Anonim Sirketi Appareil de réfrigération comportant un réceptacle amélioré de recueil d'eau de dégivrage
US20160069595A1 (en) * 2014-09-05 2016-03-10 Samsung Electronics Co., Ltd. Refrigerator
WO2016177803A1 (fr) * 2015-05-07 2016-11-10 Arcelik Anonim Sirketi Dispositif de refroidissement comprenant un condenseur refroidi par un ventilateur
DE102015221659A1 (de) * 2015-11-04 2017-05-04 BSH Hausgeräte GmbH Kältegerät mit einem Verdunstungsbehälter
CN105737486A (zh) * 2016-04-21 2016-07-06 合肥华凌股份有限公司 一种接水盘组件和冰箱
DE102017213972A1 (de) 2017-08-10 2019-02-14 BSH Hausgeräte GmbH Kältegerät mit Verdunstungsschale
DE102020205750A1 (de) * 2020-05-07 2021-11-11 BSH Hausgeräte GmbH Wärmetauscheranordnung für ein Kältegerät und Kältegerät
DE102020213904A1 (de) * 2020-11-05 2022-05-05 BSH Hausgeräte GmbH Kältegerät

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JPH01142380A (ja) * 1987-11-30 1989-06-05 Toshiba Corp 冷蔵庫
JPH04260776A (ja) * 1991-02-14 1992-09-16 Sanyo Electric Co Ltd ドレン水蒸発装置
JPH04302981A (ja) * 1991-03-29 1992-10-26 Hitachi Ltd 冷蔵庫
JP2000180028A (ja) * 1998-12-18 2000-06-30 Fujitsu General Ltd 冷蔵庫の除霜水蒸発装置
JP2001133129A (ja) * 1999-11-09 2001-05-18 Hoshizaki Electric Co Ltd 除霜水の蒸発装置
JP2004317024A (ja) * 2003-04-16 2004-11-11 Hitachi Home & Life Solutions Inc 冷蔵庫
KR100759044B1 (ko) * 2006-07-03 2007-09-14 주식회사 대우일렉트로닉스 증발명과 일체화된 응축기 및 그 제조방법
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Also Published As

Publication number Publication date
PL2697579T3 (pl) 2015-11-30
ES2547828T3 (es) 2015-10-08
EP2697579B1 (fr) 2015-07-29
DE102011007415A1 (de) 2012-10-18
CN103492822B (zh) 2016-08-10
CN103492822A (zh) 2014-01-01
WO2012139956A1 (fr) 2012-10-18

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