WO2000075582A1 - Refroidissement de refrigerateur - Google Patents

Refroidissement de refrigerateur Download PDF

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Publication number
WO2000075582A1
WO2000075582A1 PCT/TR2000/000034 TR0000034W WO0075582A1 WO 2000075582 A1 WO2000075582 A1 WO 2000075582A1 TR 0000034 W TR0000034 W TR 0000034W WO 0075582 A1 WO0075582 A1 WO 0075582A1
Authority
WO
WIPO (PCT)
Prior art keywords
fresh food
food compartment
compartment
quick freeze
manufacturer
Prior art date
Application number
PCT/TR2000/000034
Other languages
English (en)
Inventor
Haldun Dingeç
Yüksel Atilla
Yalçin GÜLDALI
Original Assignee
Arçelik A.S.
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 Arçelik A.S. filed Critical Arçelik A.S.
Priority to AU58647/00A priority Critical patent/AU5864700A/en
Priority to DE60009512T priority patent/DE60009512T2/de
Priority to AT00944567T priority patent/ATE263345T1/de
Priority to TR2001/03790T priority patent/TR200103790T2/xx
Priority to EP00944567A priority patent/EP1200782B1/fr
Publication of WO2000075582A1 publication Critical patent/WO2000075582A1/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
    • 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
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/30—Quick freezing
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/34—Temperature balancing devices
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature

Definitions

  • the present invention is related to providing the freezing capacity in the freezer compartment, at least in conformity with the standards, without lowering the interior temperature in the fresh food compartment below the desired level, in two-door type refrigerators having both the freezer and fresh food compartments.
  • the "Quick Freeze” operation is used in order to lower the temperature of the food placed in the freezer compartment, rapidly to -18°C.
  • the quick freeze capacity is the maximum amount of food that can be frozen in a certain time period, during the quick freeze process.
  • the thermostat When the quick freeze process is started, the thermostat reaches its highest value and the refrigerator operates at 100% capacity. By delaying the compressor operational period, the freezer compartment can reach the desired freezing capacity. However, in this case the inner temperature of the fresh food compartment droops below the desired level and causes the freezing of the fresh food.
  • the fresh food and freezer compartments are cooled by separate cooling circuits, using two compressors. Furthermore, this problem is solved by reducing the quick freezer capacity. In another known technique, this problem has been solved by changing the dimensions of the evaporator in the fresh food compartment. However this change increases the energy consumption.
  • Figure 1 is the layout of the evaporator and heater positions
  • Figure 2 is the flow chart of the cooling cycle control
  • Figure 3 is the graphic showing the refrigerator cooling cycle operating in the quick freezer mode
  • Figure 4 is the flow chart of the alternative cooling cycle control
  • Figure 5 is the graphic showing the alternative cooling cycle operating in the quick freezer mode.
  • the total running time (t qU ⁇ Ck ) of the Quick Freeze is equal to the sum of the quick freeze 100% running time (tioo) and the quick freeze cyclic running times (t cyc ⁇ e ).
  • the duration and temperature values at which the compressor (7) must be operated for the quick freeze process and the operational period of the heater (5) placed in the fresh food compartment (1) to avoid the decrease of the inner temperature of the fresh food compartment (1) during quick freezing, as well as the temperature value at which the heater has to be operated are determined in the control unit (8).
  • the quick freeze process starts and during this process, the control unit (8) performs the below explained operations in order to keep the inner temperature of the fresh food compartment (1) within a range (TMax . T M m), determined by the manufacturer or by the standards.
  • the 100% running time (tioo) of the quick freeze function and the estimated duration (ti) of quick freezing, determined by the manufacturer are compared in Step 102. As the result of this comparison, if the 100%) running time (tioo) of the quick freeze function is greater than the estimated duration (ti) of quick freezing, determined by the manufacturer, the compressor (7) is operated at 100% capacity during the quick freeze 100% running time (tioo), in Step 103.
  • step 104 the temperature sensor (6) placed in the fresh food compartment (1) reads the inner temperature of the said compartment (1) and the control unit (8) compares the values thus obtained, with the upper limit value (T Max ) of the required temperature range for the fresh food compartment determined by the manufacturer. If the inner temperature value in fresh food compartment (1) that is read by the sensor (6) is greater than the upper limit value ( Max ) of the required temperature range for the fresh food compartment determined by the manufacturer, the electrical heater (5) placed in the refrigerator fresh food compartment (1) to maintain required cooling and to avoid the freezing of the food in case the said compartment (1) is excessively cooled, is closed in Step 105 and Step 108 wherein the cyclic running time (t cycle ) of the quick freeze is compared with the estimated quick freeze operation time (t ⁇ ) starts.
  • T Max the upper limit value
  • Step 108 if the estimated quick freeze operation time (ti) determined by the manufacturer is greater than the cycle running time (t cyc ⁇ e ) of the quick freeze, the quick freeze operation is terminated and normal cooling is carried on. Otherwise, i.e. if the estimated quick freeze operation time (ti) determined by the manufacturer is smaller than the cyclic running time (t cyc ⁇ e ) of the quick freeze, Step 102 starts and the 100%) running time (tioo) of the quick freeze function and the estimated duration (ti) of quick freezing, determined by the manufacturer are compared.
  • the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is smaller than the upper limit value (T a ) of the required temperature range for the fresh food compartment determined by the manufacturer in Step 104 then the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is compared with the lower limit value (T MI ⁇ ) of the required temperature range for the fresh food compartment determined by the manufacturer in Step 106.
  • Step 106 if the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is smaller than the lower limit value (T MIII ) of the required temperature range for the fresh food compartment determined by the manufacturer, the electrical heater (5) placed in the refrigerator fresh food compartment (1) to maintain required cooling and to avoid the freezing of the food in case the said compartment (1) is excessively cooled, operates in Step 107 then Step 108 starts.
  • T MIII the lower limit value
  • Step 102 wherein the 100%) running time (tioo) of the freeze function and the estimated duration (ti) of quick freezing, determined by the manufacturer are compared, if the 100% running time (tioo) of the quick freeze function is smaller than the estimated duration (tj) of quick freezing, determined by the manufacturer, step 104 starts and the temperature sensor (6) placed in the fresh food compartment (1) reads the inner temperature of the said compartment (1) and these values are compared with the upper limit value (T Max ) of the required temperature range for the fresh food compartment determined by the manufacturer. If the inner temperature of the said compartment (1) is bigger than the upper limit value (T ax) of the required temperature range for the fresh food compartment determined by the manufacturer, the compressor (7) operates in Step 109 and then Step 108 starts.
  • Step 104 if the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is smaller than the upper limit value (T Ma ⁇ ) of the required temperature range for the fresh food compartment determined by the manufacturer; Step 106 starts and the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is compared with the lower limit value (T I ⁇ ) of the required temperature range for the fresh food compartment determined by the manufacturer.
  • Step 106 if the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is smaller than the lower limit value (T M - n ) of the required temperature range for the fresh food compartment determined by the manufacturer, the compressor (7) is kept at "OFF" position in all cases and then Step 108 starts.
  • step 106 if the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is greater than the lower limit value (T I ⁇ ) of the required temperature range for the fresh food compartment determined by the manufacturer, the program determined by the control unit (8) is completed in Step 108 (Fig. 2 and Fig 3).
  • FIG. 4 Another embodiment of the refrigerator quick freeze function is illustrated in Figures 4 and 5 and will be described in detail as follows:
  • the control unit (8) maintains the inner temperature of the fresh food compartment (1) within the temperature range (T MBX , T MI ⁇ ) as determined by the manufacturer or by the standards, during the quick freeze process by operating the compressor (7) at 100% capacity and by operating the heater (5) cyclically when the quick freeze button (201) is pressed.
  • T MBX , T MI ⁇ temperature range
  • the process is illustrated in Figure 4. In this case, the total running time (t qu ⁇ ck ) and 100% capacity running time (tioo) of the Quick Freeze are equal. During this period, the compressor (7) works at 100% capacity.
  • the control unit (8) maintains the inner temperature of the fresh food compartment (1) within the temperature range (T Max - T MI ⁇ ) defined by the manufacturer or by the standards, during the quick freeze operation.
  • step 202 the compressor (7) runs at 100% capacity during the 100% capacity running time (tioo) of the Quick Freeze; in Step 203, the temperature sensor (6) placed in the fresh food compartment (1) reads the inner temperature of the said compartment (1) and these values are compared with the upper limit value (T Max ) of the required temperature range for the fresh food compartment determined by the manufacturer.
  • T Max the upper limit value
  • Step 207 if the estimated quick freeze operation time (ti) determined by the manufacturer is greater than the total running time (t quiCk ), the quick freeze operation is terminated and normal cooling is carried on. Otherwise, i.e. if the estimated quick freeze operation time (ti) determined by the manufacturer is smaller than the total running time (t qu -ck), the process returns back to Step 202.
  • Step 203 if the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is smaller than the upper limit value (T M x ) of the required temperature range for the fresh food compartment determined by the manufacturer, step 205 where the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is compared with the lower limit value (T M in) of the required temperature range for the fresh food compartment determined by the manufacturer, starts.
  • Step 205 if the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is smaller than the lower limit value (T MJ ⁇ ) of the required temperature range for the fresh food compartment determined by the manufacturer, the electrical heater (5) placed in the refrigerator fresh food compartment (1) to maintain the required cooling and to avoid the freezing of the food in case the said compartment (1) is excessively cooled operates in Step 206, then Step 207 starts.
  • T MJ ⁇ the lower limit value
  • Step 205 if the inner temperature value in the fresh food compartment (1) that is read by the sensor (6) is greater than the estimated quick freeze operation time (t]) determined by the manufacturer the electrical heater (5) placed in the refrigerator fresh food compartment (1) to maintain the required cooling and to avoid the freezing of the food in case the said compartment (1) is excessively cooled, is closed in Step 204 and then Step 207 starts ( Figures 4 and 5).

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

Dans le système de refroidissement d'un réfrigérateur à deux portes comprenant un congélateur (2) et des compartiments (1) pour aliments frais, le temps total (trapide) de surgélation est égal à la somme du temps à 100 % (t100) de surgélation et des temps cycliques (tcycle) de surgélation. Les valeurs de durée et de température auxquelles le compresseur (7) doit être actionné pour lancer le processus de surgélation et la période opérationnelle du dispositif de chauffage (5) se trouvant dans le compartiment (1) pour aliments frais et servant à éviter la baisse de la température interne du compartiment (1) pour aliments frais pendant la surgélation, de même que la valeur de température à laquelle le dispositif de chauffage doit être actionné, sont déterminées dans l'unité de commande (8).
PCT/TR2000/000034 1999-06-04 2000-06-05 Refroidissement de refrigerateur WO2000075582A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU58647/00A AU5864700A (en) 1999-06-04 2000-06-05 Refrigerator cooling
DE60009512T DE60009512T2 (de) 1999-06-04 2000-06-05 Kühlung eines kühlschrankes
AT00944567T ATE263345T1 (de) 1999-06-04 2000-06-05 Kühlung eines kühlschrankes
TR2001/03790T TR200103790T2 (tr) 1999-06-04 2000-06-05 Buzdolabı soğutulması.
EP00944567A EP1200782B1 (fr) 1999-06-04 2000-06-05 Refroidissement de refrigerateur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR9901264 1999-06-04
TR99/01264 1999-06-04

Publications (1)

Publication Number Publication Date
WO2000075582A1 true WO2000075582A1 (fr) 2000-12-14

Family

ID=21622009

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2000/000034 WO2000075582A1 (fr) 1999-06-04 2000-06-05 Refroidissement de refrigerateur

Country Status (7)

Country Link
EP (1) EP1200782B1 (fr)
AT (1) ATE263345T1 (fr)
AU (1) AU5864700A (fr)
DE (1) DE60009512T2 (fr)
ES (1) ES2218181T3 (fr)
TR (1) TR200103790T2 (fr)
WO (1) WO2000075582A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005093346A1 (fr) * 2004-03-25 2005-10-06 Arcelik Anonim Sirketi Dispositif de refroidissement et son procede de commande
EP2397798A2 (fr) 2010-06-18 2011-12-21 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Unité de commande de chauffage pour dispositifs refroidisseurs
CN102620516A (zh) * 2012-03-30 2012-08-01 合肥美菱股份有限公司 一种电冰箱温度设置方法
EP1714095B1 (fr) * 2004-01-30 2017-11-22 Carrier Corporation Cyclage réchauffeur pour retour d'huile amélioré
CN112856920A (zh) * 2019-11-12 2021-05-28 合肥美的电冰箱有限公司 冰箱速冻控制方法、风冷冰箱及可读存储介质

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007017690U1 (de) * 2007-10-26 2009-03-19 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787718A (en) * 1996-01-23 1998-08-04 Samsung Electronics Co., Ltd. Method for controlling quick cooling function of refrigerator
JPH11211312A (ja) * 1998-01-28 1999-08-06 Matsushita Refrig Co Ltd 冷蔵庫

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787718A (en) * 1996-01-23 1998-08-04 Samsung Electronics Co., Ltd. Method for controlling quick cooling function of refrigerator
JPH11211312A (ja) * 1998-01-28 1999-08-06 Matsushita Refrig Co Ltd 冷蔵庫

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1714095B1 (fr) * 2004-01-30 2017-11-22 Carrier Corporation Cyclage réchauffeur pour retour d'huile amélioré
WO2005093346A1 (fr) * 2004-03-25 2005-10-06 Arcelik Anonim Sirketi Dispositif de refroidissement et son procede de commande
EP2397798A2 (fr) 2010-06-18 2011-12-21 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Unité de commande de chauffage pour dispositifs refroidisseurs
EP2397798A3 (fr) * 2010-06-18 2013-11-20 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. Unité de commande de chauffage pour dispositifs refroidisseurs
CN102620516A (zh) * 2012-03-30 2012-08-01 合肥美菱股份有限公司 一种电冰箱温度设置方法
CN102620516B (zh) * 2012-03-30 2014-08-06 合肥美菱股份有限公司 一种电冰箱温度设置方法
CN112856920A (zh) * 2019-11-12 2021-05-28 合肥美的电冰箱有限公司 冰箱速冻控制方法、风冷冰箱及可读存储介质
CN112856920B (zh) * 2019-11-12 2023-01-24 合肥美的电冰箱有限公司 冰箱速冻控制方法、风冷冰箱及可读存储介质

Also Published As

Publication number Publication date
EP1200782B1 (fr) 2004-03-31
EP1200782A1 (fr) 2002-05-02
AU5864700A (en) 2000-12-28
DE60009512D1 (de) 2004-05-06
DE60009512T2 (de) 2005-03-17
ES2218181T3 (es) 2004-11-16
TR200103790T2 (tr) 2002-05-21
ATE263345T1 (de) 2004-04-15

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