EP3845838B1 - Réfrigérateur comportant un plateau d'évaporation - Google Patents

Réfrigérateur comportant un plateau d'évaporation Download PDF

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Publication number
EP3845838B1
EP3845838B1 EP20216232.7A EP20216232A EP3845838B1 EP 3845838 B1 EP3845838 B1 EP 3845838B1 EP 20216232 A EP20216232 A EP 20216232A EP 3845838 B1 EP3845838 B1 EP 3845838B1
Authority
EP
European Patent Office
Prior art keywords
open end
collection tube
evaporation tray
refrigerator
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
EP20216232.7A
Other languages
German (de)
English (en)
Other versions
EP3845838A1 (fr
Inventor
Oktay Aygun
Gokhan Ozseker
Ender AKYUZ
Ahmet DEMIRTAS
Hasan Ali UNLU
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.)
Arcelik AS
Original Assignee
Arcelik AS
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Publication date
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Publication of EP3845838A1 publication Critical patent/EP3845838A1/fr
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Publication of EP3845838B1 publication Critical patent/EP3845838B1/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
    • F25D2321/141—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
    • F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections

Definitions

  • the present invention relates to a refrigerator comprising an evaporation tray enabling the defrost water to be evaporated.
  • the thermal energy drawn from the inner cabin of the appliance is discharged by means of a condenser.
  • the refrigerant fluid is circulated between a condenser, an expansion valve such as capillary tube and an evaporator.
  • the refrigerant fluid changes from the liquid phase into the gas phase by absorbing the ambient heat of the foodstuffs preserved in the cabin while passing through the evaporator.
  • the pressurized refrigerant fluid releases its heat on the condenser surface.
  • a defrost process is performed to remove the frost formed on the refrigeration system.
  • An evaporation tray is used for collecting and evaporating the water generated in the defrost process. In the state of the art embodiments, the evaporation tray is placed onto the compressor which is in the bottom section of the refrigeration cabin, in other words in the machine room and the water therein is enabled to be evaporated by means of the heat received from the compressor.
  • a refrigerator comprising a water collection tank which collects the defrost water and which is integrated to the base to use the interior volume more efficiently.
  • Japanese Patent Document No JPH0741373U discloses a refrigerator comprising means for evaporation of the defrost water flowing down from the evaporator side at the time of the defrosting operation.
  • Chinese Patent Application No CN106052261A discloses a water-cooled external condensation system of air-cooled refrigerator.
  • the aim of the present invention is the realization of a refrigerator wherein the defrost water collection capacity is increased.
  • the refrigerator realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a collection tube in the form of a curved tube which has a first open end opening to the evaporation tray and a second open end opening to the outer environment, at a higher level than the first open end, and which enables the water received through the first opening to be collected between the first opening and the second opening. Thereby, a portion of the water in the evaporation tray is transferred to the collection tube.
  • the collection tube prevents the overflowing of the evaporation tray and enables an increased amount of defrost water to be collected without causing placement difficulties in the limited volume of the machine room.
  • the defrost water collection capacity of the refrigerator is increased in a simple manner.
  • the collection tube is positioned so as to contact a delivery line which extends between the compressor and the condenser and which provides the deliver of the refrigerant fluid between the compressor and the condenser.
  • a delivery line which extends between the compressor and the condenser and which provides the deliver of the refrigerant fluid between the compressor and the condenser.
  • the collection tube is almost U-shaped. Thereby, the distance between the first open end and the second open end is increased, providing the collection of more water in the collection tube.
  • the first open end is at a higher level than the base of the evaporation tray.
  • the first open end opens to the top section of the evaporation tray.
  • the second open end is positioned at a higher level than the first open end.
  • the level of the second open end relative to the base of the evaporation tray is greater than the level of the first open end relative to the base of the evaporation tray.
  • At least one slit is provided on the collection tube, extending downwards from the first open end. Thereby, the water in the evaporation tray is enabled to be transferred safely to the collection tube.
  • the collection tube is produced as a single piece with the evaporation tray.
  • ease of production is provided.
  • the cooling device (1) comprises a compressor (3) which provides the realization of the refrigeration cycle; a condenser (4) which condenses the refrigerant fluid; a compartment (2) wherein the compressor (3) is disposed; and an evaporation tray (7) which is disposed in the compartment (2) and which enables the water generated during the defrost process to be collected and evaporated.
  • the water generated as a result of melting during the defrost process is collected in the evaporation tray (6).
  • the evaporation tray (6) is positioned in the vicinity of the compressor (3), preferably on the compressor (3), so as to benefit from the waste heat of the compressor (6).
  • the water in the evaporation tray (6) which is positioned so as to be above the compressor (3) is evaporated by using the waste heat of the compressor (3).
  • the refrigerator (1) of the present invention comprises a collection tube (7) having a first open end (8) which opens into the evaporation tray (6) and a second open end (9) which opens to the outside of the evaporation tray (6), and enabling the water received from the first open end (8) to be collected so as not to overflow from the second open end (9).
  • the collection tube (7) is in the form of a bent tube wherein the water flowing therein through the first open end (8) is collected so as not to reach the second open end (9).
  • the collection tube (7) can be formed so as to be suitable for the limited volume in the vicinity of the compressor (3).
  • the first open end (8) enables a portion of the water in the evaporation tray (6) to fill into the collection tube (7).
  • the second open end (9) is arranged outside the evaporation tray (6) and opens to the outer environment. A portion of the water in the evaporation tray (6) flows into the collection tube (7) through the first open end (8). By means of the collection tube (7), excess defrost water is enabled to be stored easily and safely in the limited volume in the vicinity of the compressor (3).
  • the refrigerator (1) comprises a delivery line (5) which is connected to the compressor (4) and which enables the refrigerant fluid to be transferred, and the collection tube (7) is placed so as to at least partially contact the delivery line (5).
  • the refrigerant fluid in the delivery line (5) is at high temperature.
  • a considerable amount of the heat in the refrigerant fluid which passes through the delivery line (5) is transferred to the water in the collection tube (7).
  • the collection tube (7) By structuring the collection tube (7) with two open ends (8, 9), the water heated in the collection tube (7) is evaporated quickly by chimney effect.
  • the evaporation effectiveness is increased by evaporating the water in the collection tube (7) more quickly.
  • the refrigerator (1) comprises at least one connection member (10) which enables the collection tube (7) to be fixed onto the delivery line (5).
  • the connection member (10) can be a state of the art fixing means such as tube bracket, clip, etc.
  • the collection tube (7) is almost U-shaped.
  • the collection tube (7) has a first vertical arm (7a) whereon the first open end (8) is provided, a second vertical arm (7b) whereon the second open end (9) is provided, and a horizontal arm (7c) which connects the first vertical arm (7a) and the second vertical arm (7c) to each other.
  • the water flowing into the collection tube (7) through the first open end (8) rises in the first vertical arm (7a) and the second vertical arm (7b).
  • the rate of evaporation is increased.
  • the first open end (8) is at a higher level than the base of the evaporation tray (6).
  • the first open end (8) is positioned at an upper section of the evaporation tray (6).
  • the defrost water received from the evaporator (not shown in the figures) fills the evaporation tray (6) at least partially before reaching the collection tube (7).
  • a larger evaporation surface is provided by preventing the defrost water from flowing directly into the collection tube (7).
  • the second open end (9) is at a higher level than the first open end (8).
  • the second open end (9) is at a higher level than the first open end (8).
  • the second vertical arm (7b) whereon the second open end (9) is provided is longer than the first vertical arm (7a) whereon the first open end (8) is provided.
  • At least one slit (11) is provided on the edge of the first open end (8).
  • the water in the evaporation tray (6) flows into the collection tube (7) through the slit (11).
  • the slit (11) the water starts flowing into the collection tube (7) and the water is prevented from overflowing from the evaporation tray (6).
  • the collection tube (7) is produced as a single piece with the evaporation tray (6).
  • the collection tube (7) and the evaporation tray (6) are produced as a single piece.

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)

Claims (6)

  1. Un dispositif de refroidissement (1) comprenant un compresseur (3) qui assure la réalisation du cycle de réfrigération ; un condenseur (4) qui condense le fluide frigorigène ; un compartiment (2) dans lequel est disposé le compresseur (3) ; un bac d'évaporation (6) qui est disposé dans le compartiment (2) et qui permet de collecter et d'évaporer l'eau générée pendant le processus de dégivrage ; et un tube collecteur (7) ayant une première extrémité ouverte (8) qui est disposée à un niveau plus élevé que la base du plateau d'évaporation (6) et qui s'ouvre dans le plateau d'évaporation (6) et une deuxième extrémité ouverte (9) qui s'ouvre à l'extérieur du plateau d'évaporation (6), caractérisé par le fait que la deuxième extrémité ouverte (9) est disposée à un niveau plus élevé que la première extrémité ouverte (8), permettant à l'eau reçue de la première extrémité ouverte (8) d'être collectée dans le tube collecteur (7) de manière à ne pas déborder de la deuxième extrémité ouverte (9).
  2. Un réfrigérateur (1) selon la déclaration 1, caractérisé par une conduite de refoulement (5) qui est reliée au compresseur (4) et qui permet de transférer le fluide frigorigène, et le tube collecteur (7) est placé de manière à être au moins partiellement en contact avec la conduite de refoulement (5).
  3. Un réfrigérateur (1) selon la déclaration 2, caractérisé par au moins un organe de raccordement (10) permettant de fixer le tube collecteur (7) sur la conduite de refoulement (5).
  4. Un réfrigérateur (1) selon l'une quelconque des déclarations précédentes, caractérisé par le tube collecteur (7) qui est presque en forme de U.
  5. Un réfrigérateur (1) selon l'une quelconque des déclarations précédentes, caractérisé par au moins une fente (11) qui est disposée sur le bord de la première extrémité ouverte (8).
  6. Un réfrigérateur (1) selon l'une quelconque des déclarations précédentes, caractérisé par le tube collecteur (7) qui est fabriqué en une seule pièce avec le plateau d'évaporation (6).
EP20216232.7A 2019-12-30 2020-12-21 Réfrigérateur comportant un plateau d'évaporation Active EP3845838B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201922477 2019-12-30

Publications (2)

Publication Number Publication Date
EP3845838A1 EP3845838A1 (fr) 2021-07-07
EP3845838B1 true EP3845838B1 (fr) 2023-11-08

Family

ID=73856497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20216232.7A Active EP3845838B1 (fr) 2019-12-30 2020-12-21 Réfrigérateur comportant un plateau d'évaporation

Country Status (1)

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EP (1) EP3845838B1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53134265A (en) * 1977-04-28 1978-11-22 Fuji Electric Co Ltd Drain evaporator in freezer-refrigerator
JPH0539977A (ja) * 1991-08-05 1993-02-19 Fuji Electric Co Ltd 冷蔵シヨーケースのドレン処理装置
JPH0741373U (ja) * 1993-12-21 1995-07-21 株式会社富士通ゼネラル 電気冷蔵庫
KR19990012724A (ko) 1997-07-30 1999-02-25 배순훈 냉장고
JP2000180027A (ja) * 1998-12-15 2000-06-30 Hoshizaki Electric Co Ltd 除霜水の処理方法および装置
CN2932248Y (zh) * 2006-07-14 2007-08-08 海尔集团公司 用于冰箱、冰柜的蒸发排水装置
CN106052261A (zh) * 2016-07-19 2016-10-26 河南机电高等专科学校 风冷冰箱的水冷式外置冷凝系统

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EP3845838A1 (fr) 2021-07-07

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