EP2766678B1 - Kühlschrank mit einem maschinenraum - Google Patents

Kühlschrank mit einem maschinenraum Download PDF

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Publication number
EP2766678B1
EP2766678B1 EP12778998.0A EP12778998A EP2766678B1 EP 2766678 B1 EP2766678 B1 EP 2766678B1 EP 12778998 A EP12778998 A EP 12778998A EP 2766678 B1 EP2766678 B1 EP 2766678B1
Authority
EP
European Patent Office
Prior art keywords
air
air channel
compartment
freezing compartment
refrigerator
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.)
Not-in-force
Application number
EP12778998.0A
Other languages
English (en)
French (fr)
Other versions
EP2766678A2 (de
Inventor
Tugrul Kodaz
Erkan KARAKAYA
Tolga APAYDIN
Sabahattin Hocaoglu
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
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 Arcelik AS filed Critical Arcelik AS
Publication of EP2766678A2 publication Critical patent/EP2766678A2/de
Application granted granted Critical
Publication of EP2766678B1 publication Critical patent/EP2766678B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0651—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the bottom
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts

Definitions

  • the present invention relates to a refrigerator comprising a machine room.
  • cooling system components In refrigerators with modular machine rooms, all of the cooling system components (compressor, condenser, fan and evaporator) are disposed in a machine room. These cooling system components are disposed below or above the refrigerator cabin. The components that become cold or hot in the machine room are separated from each other by means of an insulated wall. There is humidity and heat entry into the compartment during operation of the refrigerator due to different loads/outer environment operating conditions. Rapid cooling is performed by delivering cold air into the compartment wherein there is humidity and heat inflow. However, meanwhile, the other compartments are overcooled by being under the effect of cold air. Therefore, both energy consumption increases and also the foodstuffs in the compartment without inflow of humidity and heat are damaged from cold.
  • a refrigerator that comprises a valve which provides the controlling of the flow of cold air into different compartments.
  • the aim of the present invention is the realization of a refrigerator, the cooling efficiency of which is increased.
  • the refrigerator realized in order to attain the aim of the present invention and explicated in the claims, comprises a freezing compartment, a fresh food compartment, a machine room, at least a first air channel providing the cold air coming from the machine room to be delivered into the freezing compartment by passing through the fresh food compartment and having pumping holes at the portion disposed in the freezing compartment, allowing passage of air into the freezing compartment and at least at least a second air channel, with one portion being disposed in the freezing compartment and having suction holes thereon, performing aspiration of the air in the freezing compartment, allowing the air circulating in the freezing compartment to be delivered into the machine room.
  • the refrigerator of the present invention furthermore comprises:
  • the freezing compartment is disposed at the top and the fresh food compartment at the bottom.
  • the cold air coming from the fresh food compartment is delivered to the first air channel.
  • the first air channel extends into the freezing compartment by passing from the rear of the fresh food compartment.
  • the fresh food compartment is provided to be cooled by the cold wall effect by means of the portion of the first air channel remaining behind the fresh food compartment wall. Passage of cold air into the freezing compartment is provided by means of the pumping holes in the portion of the first air channel remaining in the freezing compartment.
  • the freezing compartment is cooled by means of the cold air delivered therein.
  • the air circulating in the freezing compartment passes into the portion of the second air channel remaining in the freezing compartment by means of the suction holes.
  • Passage of air from the portion of the second air channel remaining in the freezing compartment to the portion between the connection point of the second air channel and the fresh food compartment is regulated by the valve.
  • the connection point is closed by the valve, there is no passage of air from the portion of the second air channel remaining in the freezing compartment to the portion between the connection point of the second air channel and the fresh food compartment. Therefore, passage of air from the freezing compartment into the second air channel and the circulation of air in the freezing compartment stops in the course of time. Therefore, pumping of air into the freezing compartment from the first air channel stops in the course of time. Meanwhile, the cold air received from the fresh food compartment passes from the first air channel to the portion of the second air channel situated between the connection point and the machine room before being pumped into the freezing compartment.
  • the refrigerator comprises at least one sensor that provides the measurement of the temperature values and at least one control unit which regulates the movement of the valve depending on the measured temperature value.
  • the refrigerator comprises at least one motor that enables the valve to open/close the connection point.
  • the valve moves in front of the connection point by means of the energy received from the motor.
  • the refrigerator comprises at least one cover that regulates passage of air from the machine room into the first air channel.
  • the refrigerator comprises the first air channel and the second air channel providing the formation of a closed cold air circulation around the fresh food compartment.
  • the valve When passage of air from the first air channel into the second air channel is prevented by the valve, the passage of cold air into the freezing compartment is prevented.
  • the fresh food compartment is cooled with the cold air passing through the channels disposed behind the fresh food compartment wall.
  • the refrigerator comprises at least one separator providing the portion of the first air channel remaining in the fresh food compartment to be divided in the vertical axis and a cover disposed between the wall of the first air channel facing the fresh food compartment and the separator.
  • control unit provides the cover to move between the wall of the first air channel facing the fresh food compartment and the separator.
  • a refrigerator is realized wherein the air delivered from the machine room to the compartments is controlled. Consequently, while a compartment is rapidly cooled, the other compartment is prevented from rapid cooling and unnecessary energy consumption is prevented.
  • the refrigerator (1) comprises at least one freezing compartment (2) wherein objects desired to be stored for a long time are placed, at least one fresh food compartment (3) wherein fresh foods and beverages are placed, a machine room (8) having a compressor (4) providing the refrigeration cycle to be performed, a condenser (5) providing the refrigerant fluid to be condensed, an evaporator (6) providing the cooling by absorbing the thermal energy from the environment and at least one fan (7) providing the cooled air to be sucked, at least one first air channel (9), one end connected to the machine room (8), extending to the freezing compartment (2) by passing from the fresh food compartment (3), having pumping holes (12) at its portion disposed in the freezing compartment (2) allowing passage of air and at least one second air channel (10), with some portion disposed in the freezing compartment (2), connected to the machine room (8) by passing from the fresh food compartment (3), having suction holes (13) at the portion disposed in the freezing compartment (2), providing the air circulating in the freezing compartment (2) to be aspirated and transferred into the machine room (8) ( Figure 1
  • the refrigerator (1) of the present invention comprises
  • the fresh food compartment (3) is disposed between the machine room (8) and the freezing compartment (2).
  • the cold air passing from behind the fresh food compartment (3) wall is delivered into the freezing compartment (2) by means of the pumping holes (12) disposed on the first air channel (9). Meanwhile, the fresh food compartment (3) is cooled by the cold wail effect.
  • the air circulating the freezing compartment (2) provides the cooling of the freezing compartment (2).
  • the air filling the freezing compartment (2) comes to the portion of the second air channel (10) remaining in the freezing compartment (2) by means of the suction hole (13).
  • the air passing from the compartments (2, 3) to the connection point (11) is regulated by means of the valve (14).
  • connection point (11) In the case the temperature of the freezing compartment (2) rises, the connection point (11) is almost entirely opened by means of the valve (14). Thus, air aspiration from the suction hole (13) continues and air passage is provided to the freezing compartment (2) from the pumping holes (12). Furthermore, delivery of cold air into the freezing compartment (2) continues by the connection point (11) remaining almost entirely open and the cold air is prevented from overcooling the fresh food compartment (3). Thus, unnecessary energy consumption is prevented.
  • connection point (11) from the end of the second air channel (10) facing the connection point (11) is prevented by means of the valve (14) in order to rapidly cool the fresh food compartment (3).
  • aspiration of air from the suction holes (13) into the second air channel (10) stops.
  • flow of cold air from the machine room (8) into the first air channel (9) continues.
  • the amount of air passing from the first air channel (9) into the freezing compartment (2) decreases since the inner volume of the freezing compartment (2) is filled with cold air.
  • the air coming from the first air channel (9) returns back to the machine room (8) by passing from the connection point (11).
  • the refrigerator (1) comprises at least one sensor (15) that provides the measurement of the temperature values and at least one control unit (16) which regulates the movement of the valve (14) depending on the data received from the sensor (15).
  • the temperature values of the fresh food compartment (3) and/or the freezing compartment (2) are detected by means of the sensor (15).
  • the control unit (16) regulates the movement of the valve (14) in accordance with the values received from the sensor (15) and the values predefined in its memory.
  • the refrigerator (1) comprises a motor (17) that provides the valve (14) to be moved.
  • the temperatures of the fresh food compartment (3) and the freezing compartment (2) are detected by the sensor (15).
  • the temperature value of the fresh food compartment (3) rises.
  • This value detected by means of the sensor (15) is evaluated by the control unit (16) and the valve (14) is moved by the motor (17) and passage of air from the end of the second air channel (10) facing the connection point (11) into the connection point (11) is prevented by means of the valve (14) ( Figure 2 ).
  • the refrigerator (1) comprises the first air channel (9) and the second air channel (10) that enable the formation of a closed cold air circulation around the fresh food compartment (3) by preventing the air aspirated from the freezing compartment (2) from passing through the connection point (11) by means of the valve (14) depending on the data received from the sensor (15).
  • the end of the second air channel (10) facing the connection point (11) is almost entirely closed by means of the valve (14). Continuous cold air circulation is provided around the fresh food compartment (3) by closing the connection point (11). Consequently, the cooling load is given to the fresh food compartment (3) ( Figure 3 ).
  • the refrigerator (1) comprises at least one separator (19) providing the portion of the first air channel (9) remaining in the fresh food compartment (3) to be divided in the vertical axis and a cover (18) disposed between the wall of the first air channel (9) facing the fresh food compartment (3) and the separator (19). While the cover (18) is closed, the air delivered from the machine room (8) is prevented from passing through the portion of the first air channel (9) facing the fresh food compartment (3). Consequently, overcooling of the fresh food compartment (3) is prevented, cooling load is given to the freezing compartment (2) and rapid cooling of the freezing compartment (2) is provided ( Figure 4, Figure 5 ).
  • the control unit (16) provides the cover (18) to be moved. While the cover (18) is open, the air delivered from the machine room (8) passes through the entire first air channel (9). While the fresh food compartment (3) is provided to be cooled with the cold wall effect by means of the air coming from the machine room (8) passing through the portion of the first air channel (9) facing the fresh food compartment (3), the air passes into the freezing compartment (2) by means of the pumping holes (12) at the portion of the first air channel (9) remaining in the freezing compartment (2). While the cover (18) is closed, the air delivered from the machine room (8) is prevented from passing through the portion of the first air channel (9) facing the fresh food compartment (3). Consequently, overcooling of the fresh food compartment (3) is prevented, cooling load is given to the freezing compartment (2) and rapid cooling of the freezing compartment (2) is provided ( Figure 4, Figure 5 ).
  • the refrigerator (1) of the present invention comprises the connection point (11) and the valve (14) that allows the differentiation of the cooling load given to the compartments (2, 3) with the cold air received from the machine room (8) in accordance with temperature parameters of the compartments (2, 3).
  • the connection point (11) and the valve (14) that allows the differentiation of the cooling load given to the compartments (2, 3) with the cold air received from the machine room (8) in accordance with temperature parameters of the compartments (2, 3).

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  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (6)

  1. Kühlschrank (1), umfassend wenigstens ein Gefrierfach (2), in das Artikel gelegt werden, die für lange Zeit aufbewahrt werden sollen, wenigstens ein Frischhaltefach (3), in das frische Lebensmittel und Getränke gelegt werden, einen Maschinenraum (8) mit einem Kompressor (4), der dafür sorgt, dass der Kühlzyklus ausgeführt wird, einen Kondensator (5), der dafür sorgt, dass das Kühlfluid verdichtet wird, einen Verdampfer (6), der die Kühlung bereitstellt, indem er die Wärmeenergie von der Umgebung absorbiert, und wenigstens ein Gebläse (7), das dafür sorgt, dass die gekühlte Luft angesaugt wird, wenigstens einen ersten Luftkanal (9), dessen eines Ende mit dem Maschinenraum (8) verbunden ist und der sich zum Gefrierfach (2) erstreckt, indem er vom Frischhaltefach (3) aus verläuft, und Pumplöcher (12) an seinem im Gefrierfach (2) angeordneten Abschnitt aufweist, die das Durchtreten von Luft zulassen, und wenigstens einen zweiten Luftkanal (10), von dem ein Abschnitt im Gefrierfach (2) angeordnet ist und der mit dem Maschinenraum (8) verbunden ist, indem er vom Frischhaltefach (3) aus verläuft, und Ansauglöcher (13) an seinem im Gefrierfach (2) angeordneten Abschnitt aufweist, die dafür sorgen, dass die Luft, die im Gefrierfach (2) zirkuliert, angesaugt und in den Maschinenraum (8) übertragen wird,
    dadurch gekennzeichnet, dass
    - einen Verbindungspunkt (11), der in Strömungsrichtung nach den Ansaugöffnungen (13) am zweiten Luftkanal (10) angeordnet ist, wobei das Ende des ersten Luftkanals (9), das im Gefrierfach (2) verbleibt, mit dem zweiten Luftkanal (10) verbunden ist, derart, dass ein Luftstrom dazwischen vorliegt, und
    - wenigstens ein Ventil (14), das ein Steuern des Luftstroms am Verbindungspuntk (11) ermöglicht.
  2. Kühlschrank (1) nach Anspruch 1, gekennzeichnet durch wenigstens einen Sensor (15), der für das Messen der Temperaturwerte sorgt, und wenigstens eine Steuereinheit (16), die die Bewegung des Ventils (14) abhängig von den vom Sensor (15) empfangenen Daten reguliert.
  3. Kühlschrank (1) nach Anspruch 1 oder 2, gekennzeichnet durch einen Motor (17), der für das Bewegen des Ventils (14) sorgt.
  4. Kühlschrank (1) nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass der erste Luftkanal (9) und der zweite Luftkanal (10) das Bilden einer geschlossenen Kaltluftzirkulation um das Frischhaltefach (3) ermöglichen, indem sie mithilfe des Ventils (14) abhängig von den vom Sensor (15) empfangenen Daten verhindern, dass die vom Gefrierfach (2) angesaugte Luft durch den Verbindungspunkt (11) tritt.
  5. Kühlschrank (1) nach einem der vorangehenden Ansprüche, gekennzeichnet durch wenigstens einen Separator (19), der dafür sorgt, dass der Abschnitt des ersten Luftkanals (9), der im Frischhaltefach (3) bleibt, an der vertikalen Achse geteilt ist, und eine Abdeckung (18), die zwischen der Wand des ersten Luftkanals (9), die dem Frischhaltefach (3) zugewandt ist, und dem Separator (19) angeordnet ist.
  6. Kühlschrank (1) nach Anspruch 5, dadurch gekennzeichnet, dass die Steuereinheit (16), der für das Bewegen der Abdeckung (18) sorgt.
EP12778998.0A 2011-10-12 2012-10-12 Kühlschrank mit einem maschinenraum Not-in-force EP2766678B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201110146 2011-10-12
PCT/EP2012/070312 WO2013053913A2 (en) 2011-10-12 2012-10-12 A refrigerator comprising a machine room

Publications (2)

Publication Number Publication Date
EP2766678A2 EP2766678A2 (de) 2014-08-20
EP2766678B1 true EP2766678B1 (de) 2016-03-23

Family

ID=47088828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12778998.0A Not-in-force EP2766678B1 (de) 2011-10-12 2012-10-12 Kühlschrank mit einem maschinenraum

Country Status (3)

Country Link
EP (1) EP2766678B1 (de)
PL (1) PL2766678T3 (de)
WO (1) WO2013053913A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2684217C2 (ru) 2014-07-02 2019-04-04 Эвапко, Инк. Агрегированная холодильная система с низким количеством холодильного агента

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1220755B (it) * 1988-06-08 1990-06-21 Zanussi A Spa Industrie Apparecchio refrigerante con almeno uno scomparto a temperatura uniforme ed elevata umidita' relativa
CN1288403C (zh) * 2002-09-11 2006-12-06 赵子铨 热载体多功能恒温电冰箱
KR20100059442A (ko) 2008-11-26 2010-06-04 엘지전자 주식회사 냉장고 및 그 제어방법
US9010145B2 (en) * 2009-06-01 2015-04-21 Samsung Electronics Co., Ltd. Refrigerator
DE102009026668A1 (de) * 2009-06-03 2010-12-09 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät zum kühlen Lagern von Gut

Also Published As

Publication number Publication date
WO2013053913A3 (en) 2013-06-27
PL2766678T3 (pl) 2016-09-30
EP2766678A2 (de) 2014-08-20
WO2013053913A2 (en) 2013-04-18

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