EP2397798B1 - Unité de commande de chauffage pour dispositifs refroidisseurs - Google Patents

Unité de commande de chauffage pour dispositifs refroidisseurs Download PDF

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Publication number
EP2397798B1
EP2397798B1 EP11166029.6A EP11166029A EP2397798B1 EP 2397798 B1 EP2397798 B1 EP 2397798B1 EP 11166029 A EP11166029 A EP 11166029A EP 2397798 B1 EP2397798 B1 EP 2397798B1
Authority
EP
European Patent Office
Prior art keywords
freezer
switch
heater
compartment
rapid
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
EP11166029.6A
Other languages
German (de)
English (en)
Other versions
EP2397798A2 (fr
EP2397798A3 (fr
Inventor
Tekin Karayilan
Oner Aktas
Fatih Muminoglu
Murat Kayikci
Bora Kayikci
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.)
Vestel Beyaz Esya Sanayi ve Ticaret AS
Original Assignee
Vestel Beyaz Esya Sanayi ve Ticaret 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 Vestel Beyaz Esya Sanayi ve Ticaret AS filed Critical Vestel Beyaz Esya Sanayi ve Ticaret AS
Publication of EP2397798A2 publication Critical patent/EP2397798A2/fr
Publication of EP2397798A3 publication Critical patent/EP2397798A3/fr
Application granted granted Critical
Publication of EP2397798B1 publication Critical patent/EP2397798B1/fr
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
    • 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
    • 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
    • F25D2400/02—Refrigerators including a heater
    • 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
    • F25D2600/00—Control issues
    • F25D2600/02—Timing

Definitions

  • This invention relates to the cooler devices with time-controlled heaters.
  • the cooling cycle of the cooler devices usually comprises compressor, condenser, capillary tube and cooling element units. Compartments of the cooler devices divided into different compartments depending on the intended use may have different temperature from each other by various optimizations of the said cooling cycle.
  • the amount of the cooler fluid that reaches the cooling elements can be taken under control by adjusting the operating performance of the compressor and thus the temperature of the compartments can be controlled.
  • the cooler device that comprises at least one freezing compartment and at least one normal cooling compartment in which food products are stored; it is required to adjust the temperature of the freezing compartment to the level that can freeze the food.
  • the compressor is operated for a longer period of time and much more fluid reaches the cooling elements of the freezing compartment.
  • the temperature level of the freezing compartment is adjusted to the desired level.
  • the cooling fluid firstly reaches to the evaporator of the freezer compartment and then reaches to the evaporator of the normal cooling compartment.
  • the great amount of cooling fluid provided for the performing of the freezing process in the freezing compartment also passes through the evaporator of the normal cooling compartment and that causes more than required cooling at the cooling compartment. For this reason; the food required to be kept in the normal cooling compartment also freeze in parts.
  • a combined refrigerator comprising two compartments one of which is used as a freezer and the other one as a normal cooler and a cooler circuit comprising two evaporators that are fed by the compressor unit with a temperature regulator control.
  • the cooling compartment of the said refrigerator there are electrical heater resistances that are connected in parallel lines with each other, a control temperature regulator and a control unit comprising a switch. The resistance is fed by a current regulator.
  • the control circuit is in a series connection with the compressor engine.
  • the switch located on the control circuit is turned on and off manually and so the operation of the heater is taken under control.
  • the refrigerator disclosed in the patent document with No EP0045728 (B1 ) also comprises at least two compartments comprising one cooling and one freezer compartment.
  • the refrigerator disclosed in the patent document with No EP0045728 (B1 ) also comprises at least two compartments comprising one cooling and one freezer compartment.
  • the regulator is located within the normal cooling compartment, and it also comprises a thermal resistance in the inner section where the air is the coldest.
  • the thermal resistance has such a switching system that is capable of stopping the engine of the compressor when the compressor is operated for a long time. Thus, the freezing of the food within the normal cooling compartment is avoided.
  • a method maintaining the optimum level temperature for the cooling compartment of the device during the rapid freezing process of the freezer compartment in two-door refrigerators having freezing and cooling compartments comprises a control unit which determines when and what temperature the compressor is to be operated for the rapid freezing process, and the operation duration of the heater located into the cooler compartment required to prevent temperature of cooling compartment from decreasing under the temperature level desired after the rapid freezing process, and the temperature level of cooling compartment in which the heater is not operated.
  • a temperature sensor located inside the cooling compartment measures the temperature of the cooling compartment continuously. When the temperature is below the threshold value of the desired temperature, the electrical heater located inside the cooling compartment starts and the temperature of the cooling compartment is increased above the threshold value.
  • the heater is operated after the user selects freezing option, and during the process of freezing, heat is provided for the normal cooling compartment so as to keep the temperature of the said compartment in normal level.
  • the heater continues to operate and the user is required to turn off the heater manually. In case the user forgets to turn off the heater; the temperature balance of the normal cooling compartment becomes unbalanced. For this reason, the food sometimes go bad and the electricity consumption of the cooler device can increase to higher levels.
  • the cooler device developed by the present invention comprises an automatic controlled heater developed to decrease the temperature of the normal cooling compartment during the process of freezing of the freezer compartment and to prevent the temperature of the normal cooling compartment from exceeding the required values following the process of freezing of the freezer.
  • the cooler device mentioned hereinabove comprises at least one freezer compartment, at least one normal cooling compartment, at least one each evaporator connected to each other within the said compartments and within the same cooling cycle, at least one control system controlling the operation of the cooler device, at least one freezer switch having at least two positions in order to start the process of rapid freezing, at least one heater located in the normal cooling compartment and working during the process of rapid freezing, and at least one control unit connected to the control system that determines the operation of the heater and the position of the switch.
  • the said control unit comprises at least one timer operating in accordance with the duration of rapid freezing process, at least one solenoid to bring the freezer switch back to its first position, and at least one switch to deactivate (stop the operation thereof) the heater after the end of the freezer process and to commission (start the operation thereof) the solenoid.
  • the aim of the present invention is to provide a cooler device that comprises a time controlled heater that ensures the temperature of the cooling compartment to remain at the desired level during the rapid freezing process of the freezer compartment.
  • Another aim of the present invention is to provide a cooler device that comprises a heater that can be controlled by a timer.
  • Yet another aim of the present invention is to prevent energy consumption by turning off the heater after the process of rapid freezing.
  • the cooler device (1) The freezer compartment (2) Normal cooling compartment (3) The freezer switch (5) The freezer compartment evaporator (6) The cooler compartment evaporator (7) The heater (8) The control unit (9) The compressor (10) The time counter (11) The control element (12) The switch (13) The switch positions (a, b)
  • the cooler devices in which food products are kept, can be divided into various compartments depending on the intended use.
  • a cooling system comprising a compressor for the cooling cycle, a condenser, capillary tubes and the cooling element (evaporator) are provided in the refrigerating devices mentioned.
  • the control of the elements in the said cooling system is performed by a control system located in the device.
  • each one of the compartments are kept at certain temperatures by individual evaporators in the two compartments.
  • the compressor of the cooling device is operated for a longer period of time in order to decrease the temperature of the said compartment.
  • cooler device comprising a time controlled heating device to solve this problem of freezing.
  • the cooler device (1) given as an example in Figure 1 comprises at least one freezer compartment (2) that has the capability of rapid freezing and at least one normal cooling compartment (3). Since the aim is to provide different temperatures in each one of the compartments (2, 3) of the cooler device; the said cooler device (1) comprises at least two evaporators (6, 7) one of which is belonging to the freezer unit (2) and the other one is belonging to the normal cooling compartment (3). After at least one compressor (10) placed in the cooler device (1) is operated, the cooler fluid is transferred to the evaporators (2, 3). Since the said evaporators (6, 7) are connected to each other within the cooling cycle, after the cooling fluid passes through the evaporator (6) of the freezer unit (2); it reaches to the evaporators (7) of the normal cooling compartment (3).
  • a freezer switch (5) placed on the cooler device (1).
  • This switch (5) has at least two functions for starting and completing the operation of the rapid freezer process.
  • the starting function of the freezer switch (5) is the function where rapid freezer process is not performed.
  • the other function is required to be selected by using the freezer switch (5).
  • the compressor (10) is operated for a longer period of time. The longer operation of the compressor (10) causes the cooling fluid cycle to be maintained for a longer period of time and the food kept in the freezer compartment (2) to freeze.
  • the cooling cycle of the cooler device (1) is controlled by a control system (that is not shown in the figures) placed in the device (1).
  • a control system that is not shown in the figures placed in the device (1).
  • the freezer switch (5) other function, in which the rapid freezing process starts, is selected the control system is given the order to initiate the rapid freezing function.
  • the control system ensures the operation of the compressor (10) for a longer time and the temperature of the cooler device (1) is kept under control.
  • the heater (8) starts operating along with the compressor (10) since the order to initiate the rapid freezing process is conveyed to the control system, , as a result.
  • a control unit (9) is designed connected to the control system to ensure the heater (8) to be deactivated (to be stopped);
  • the control unit (9) shown in Figure 2 comprises at least one main time counter (11), at least one control element (12) and at least one electrical switch (13) that has the functions of turning on and turning off. Control of the selection of the heater (8) or the control element (12) is performed by the said switch (13) connected to the time counter (11).
  • the said switch (13) has two positions providing a connection with the main time counter (11) and the control element (12) or the heater (8).
  • the switch (13) is in the "a" position; the heater (8) is connected with the time counter (11) and when the said switch is in the "b" position, the control element (12) is connected with the main time counter (11).
  • the control system After the selection of the rapid freezer function by the freezer switch (5) the control system ensures the compressor (10) to operate and the rapid freezer function to be started.
  • the rapid freezer process since the switch (13) is in the "a" position (in operation), the heater (8) starts to operate, too. Since the rapid freezer process is performed in a certain period of time, at the same time, the control system conveys the message that the rapid freezer process is initiated to the main time counter (11) in the control unit (9) and the counter (9) starts counting the certain period of time thereby.
  • the time counter (11) deactivates (turn off) the heater (8) by shifting the position of the switch (13) that connects the heater (8) to the control system through the control unit (9) from position "a" as shown in Figure 2 to position "b" in order to cut the connection of the heater (8) with the control system.
  • the control element (12) is activated and operated. In this way, the freezer switch, the rapid freeze function (5) of which is selected to start the process of rapid freeze, turns back to its initial function (the function in which the rapid freeze process is not performed).
  • the heater (8) is deactivated, it does not operate for the next process of rapid freeze.
  • the main time counter (11) counts for a period of time that is much shorter than what is required for the rapid freeze process when the switch (13) is in the "b" position. After the said short period of time elapses, the switch (13) gets back to the position "a" by which it can activate the heater (8)... In this way, the heater (8) is set ready for the next rapid freeze process.
  • the function selection of the freezer switch (5) can be done by changing the position of the said switch, and the same can also be done by conveying the signal of the relevant function to the control system.
  • both the freezer switch (5) the position of which can be changed by a turning or pushing movement and a freezer switch (5) that sends a signal to the control system without changing its position as mentioned above can be utilized.
  • the control element (12) is defined as an element (12) that transmits electrical energy into mechanical energy (for example solenoid) (for example the switch that remains in its pushed position by a spring mechanism installed into it, to get back to the pushed up position after the completion of the rapid freezer process, in other words, back to its position in which it is not pushed).
  • mechanical energy for example solenoid
  • the switch (5) is taken from the initiating position in which the rapid freeze process is not realized to the position in which the rapid freezer process is realized, the position of the switch remains fixed. After the rapid freeze process is completed, the turning back of the switch (5) to its first position is ensured by the said control element (12).
  • an additional time counter (11) can also be added into the control unit (9) to control the operation duration of the control element (12).
  • the main time counter (11) counts only the period of time that is required for the heater (8) to be operated during the rapid freezer process.
  • the switch (13) gets back to "b" position and the control element (12) is activated and the additional time counter counts the short period of time that is required for the control element (12) to remain as activated (in operation) (for the switch (13) to remain in position "b"), and the freezer switch (5) gets back to its initial function.
  • the switch (13) gets back to its position "a" and the heater (8) is connected to the system. In this manner, the heater (8) is set ready for the next rapid freeze process.

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (5)

  1. Dispositif refroidisseur (1) comprenant au moins un compartiment congélateur (2) ; au moins un compartiment de refroidissement normal (3) ; au moins deux évaporateurs individuels (6, 7) qui raccordés l'un à l'autre ou les uns aux autres et qui appartiennent auxdits compartiments (2, 3) ; un système de commande qui commande une opération du dispositif refroidisseur (1) ; au moins un commutateur de congélateur (5) qui déclenche le processus de congélation rapide et qui possède au moins deux fonctions ; au moins un dispositif de chauffage (8) qui est situé dans le compartiment de refroidissement normal et fonctionne pendant le processus de congélation rapide ; au moins une unité de commande (9) qui régule le fonctionnement du dispositif de chauffage (8) et ajuste la position du commutateur (5) et caractérisé en ce que ladite unité de commande (9) comprend :
    - au moins un élément de commande (12) qui assure que le commutateur de congélateur (5) passe à une fonction initiale lorsque le processus de congélation n'est pas exécuté après le processus de congélation rapide,
    - au moins un compteur de temps principal (11) qui compte le temps nécessaire pendant lequel le dispositif de chauffage (8) doit rester raccordé au système de commande pendant le processus de congélation rapide et qui compte le temps nécessaire pendant lequel l'élément de commande (12) doit rester raccordé au système de commande après le processus de congélation rapide,
    - au moins un commutateur (13) qui désactive le dispositif de chauffage (8) et active l'élément de commande (12) après que le processus de congélation rapide est terminé.
  2. Dispositif refroidisseur (1) selon la revendication 1, caractérisé en ce qu'il comprend au moins un compteur de temps supplémentaire qui est placé dans l'unité de commande (9) et qui compte le temps nécessaire pendant lequel l'élément de commande (12) doit rester raccordé au système de commande après l'achèvement du processus de la période de congélation rapide et qui assure la connexion entre le dispositif de chauffage (8) et le système de commande (9) pour permettre la réutilisation du dispositif de chauffage (8) à la fin du temps compté.
  3. Dispositif refroidisseur (1) selon la revendication 1, caractérisé en ce que le commutateur de congélateur (5) est un commutateur dont la position peut être changée.
  4. Dispositif refroidisseur (1) selon la revendication 3, caractérisé en ce que l'élément de commande (12), qui ramène la position du commutateur de congélateur (5) à sa fonction initiale, est un solénoïde.
  5. Dispositif refroidisseur (1) selon la revendication 1, caractérisé en ce que le commutateur de congélateur (5) est un commutateur qui envoie un signal au système de commande pour la sélection d'une fonction sans changer sa position.
EP11166029.6A 2010-06-18 2011-05-13 Unité de commande de chauffage pour dispositifs refroidisseurs Not-in-force EP2397798B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201004946 2010-06-18

Publications (3)

Publication Number Publication Date
EP2397798A2 EP2397798A2 (fr) 2011-12-21
EP2397798A3 EP2397798A3 (fr) 2013-11-20
EP2397798B1 true EP2397798B1 (fr) 2016-01-27

Family

ID=44546000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11166029.6A Not-in-force EP2397798B1 (fr) 2010-06-18 2011-05-13 Unité de commande de chauffage pour dispositifs refroidisseurs

Country Status (1)

Country Link
EP (1) EP2397798B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254762B1 (fr) 1973-12-18 1976-10-08 Thomson Brandt
IT1193709B (it) 1980-07-31 1988-08-24 Indesit Dispositivo di regolazione della temperatura interna di apparecchi di refrigerazione
DE19648399A1 (de) * 1996-11-22 1998-05-28 Aeg Hausgeraete Gmbh Kühlgerät
EP1200782B1 (fr) 1999-06-04 2004-03-31 Arçelik A. S. Refroidissement de refrigerateur
TR200605213T1 (tr) 2004-03-25 2007-01-22 Arçeli̇k Anoni̇m Şi̇rketi̇ Bir soğutucu ve kontrol yöntemi.

Also Published As

Publication number Publication date
EP2397798A2 (fr) 2011-12-21
EP2397798A3 (fr) 2013-11-20

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