WO2020027596A1 - 냉장고의 제어방법 - Google Patents
냉장고의 제어방법 Download PDFInfo
- Publication number
- WO2020027596A1 WO2020027596A1 PCT/KR2019/009598 KR2019009598W WO2020027596A1 WO 2020027596 A1 WO2020027596 A1 WO 2020027596A1 KR 2019009598 W KR2019009598 W KR 2019009598W WO 2020027596 A1 WO2020027596 A1 WO 2020027596A1
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- Prior art keywords
- cycle
- compressor
- cooling
- storage compartment
- temperature
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Classifications
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- 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
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- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- 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
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- 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
- F25B2400/00—Component parts or details not otherwise provided for in this subclass
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
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- 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
- F25B2500/00—Problems to be solved
- F25B2500/15—Hunting, i.e. oscillation of controlled refrigeration variables reaching undesirable values
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- 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
- F25B2600/01—Timing
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- 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
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- 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
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- 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
- F25B2600/0253—Compressor control by controlling speed with variable speed
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- 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
- F25B2600/25—Control of valves
- F25B2600/2511—Evaporator distribution valves
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- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2104—Temperatures of an indoor room or compartment
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Definitions
- the present invention relates to a control method of a refrigerator.
- Refrigerators are home appliances that keep food at a low temperature, so that the storage compartment is always kept at a constant low temperature.
- the storage compartment is maintained at a temperature within the upper limit range and the lower limit range based on the set temperature. That is, the refrigerator is controlled by driving a refrigeration cycle when the storage compartment temperature rises to the upper limit temperature, cooling the storage compartment, and stopping the refrigeration cycle when the storage compartment temperature reaches the lower limit temperature.
- Korean Patent Publication No. 10-1576686 (Registration Date 2015.12.04), which is a prior art document, discloses a control method of a refrigerator.
- the control method of the refrigerator disclosed in the prior literature operates the refrigerator compartment valve and the freezer compartment fan to cool the refrigerator compartment, and then operates the freezer compartment valve and the freezer compartment fan to cool the freezer compartment.
- the compressor is stopped.
- the freezer compartment is rotated to lower the temperature of the freezer compartment by using latent heat of evaporation.
- the freshness of food stored in the refrigerating compartment is higher the less the change in the temperature of the refrigerating compartment. If the food is fresh, the shelf life of the food may be increased.
- the temperature of the refrigerating chamber continuously increases until the compressor is operated again for cooling the cooling chamber in the state where the compressor is stopped, and the temperature of the refrigerating chamber is lowered when the compressor is operated again. Is large. Therefore, there is a problem that the freshness of food stored in the refrigerating chamber is inferior.
- the present invention provides a control method of a refrigerator controlled to reduce a change in temperature of a storage compartment in order to improve freshness of a stored object.
- the present invention provides a control method of a refrigerator capable of reducing power consumption generated during the on process of a compressor.
- a control method of a refrigerator includes a compressor for compressing a refrigerant, a first evaporator configured to receive coolant from the compressor, and generate cold air for cooling the first storage compartment, and to supply cold air to the first storage compartment.
- First cold air supply means a second evaporator receiving coolant from the compressor to generate cold air for the second storage compartment, second cold air supply means for supplying cold air to the second storage compartment, the compressor and the first
- a valve for selectively opening any one of a first refrigerant passage connecting the refrigerant to flow between the first evaporator and a second refrigerant passage connecting the refrigerant to the compressor and the second evaporator.
- a control method of a refrigerator configured to alternately cool a storage compartment and a cooling of the second storage compartment, wherein the cooling of the first storage compartment is performed. This is the first cycle for cooling operation step of the compressor is operating, and the first cold air supply means to the first storage operation; When the first cooling cycle is operated for a first operation time, switching to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating the second cold air supply means; And when the second cooling cycle has been operated for a second operating time, the second cooling cycle is stopped.
- the first reference time is determined using a representative value obtained based on the temperature of the first storage compartment during one operation cycle comprising the previous first cooling cycle and the previous second cooling cycle, and the control unit determines the The first cooling cycle may be operated for a first reference time.
- the second reference time is determined using the representative value obtained based on the temperature of the second storage compartment during the one operation period, and the control unit is configured to cause the second cooling cycle to be operated during the determined second reference time. Can be.
- the representative value of the first storage compartment may be a temperature deviation of the first storage compartment
- the representative value of the second storage compartment may be a temperature deviation of the second storage compartment
- the controller may compare the representative value and the reference value of each of the storage rooms, and determine the first and second operating time according to the comparison result.
- the controller may determine the first operation time and the second operation time to be the same time as the operation time in the previous cycle.
- the controller may determine to increase the first reference time and the second reference time than the operation time in the previous cycle.
- the controller may determine to decrease the first reference time and the second reference time from the operation time of the previous cycle.
- the compressor can be operated with a fixed cooling force.
- the cold power of the compressor in the current first cooling cycle is determined based on the temperature of the first storage compartment during the one operating cycle and remains the same as the cold power of the compressor of the previous first cooling cycle. Or variable.
- the cooling power of the compressor in the current second cooling cycle is determined based on the temperature of the second storage compartment during the one operation cycle, and may be maintained or changed to be equal to the cooling power of the compressor of the previous second cooling cycle. Can be.
- a control method of a refrigerator includes a compressor for compressing a refrigerant, a first evaporator for receiving coolant from the compressor and generating cold air for cooling the first storage compartment, and for supplying cold air to the first storage compartment.
- First cold air supply means a second evaporator receiving coolant from the compressor to generate cold air for the second storage compartment, second cold air supply means for supplying cold air to the second storage compartment, the compressor and the first And a valve for selectively opening any one of a first refrigerant passage connecting the refrigerant to flow between the first evaporator and a second refrigerant passage connecting the refrigerant to the compressor and the second evaporator.
- a control method of a refrigerator configured to alternately cool a storage compartment and a cooling of the second storage compartment, wherein the cooling of the first storage compartment is performed. It is that the first refrigeration cycle operation for the step of the compressor is operating, and the first cold air supply means to the first storage operation; When the first cooling cycle is operated for a first reference time, switching to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating the second cold air supply means; And when the second cooling cycle has been operated for a second reference time, the second cooling cycle is stopped, wherein the cooling force of the compressor in the current first cooling cycle is equal to the previous first cooling cycle.
- the representative value of the first storage compartment may be an average temperature of the first storage compartment
- the representative value of the second storage compartment may be an average temperature of the second storage compartment
- the representative value of the first storage compartment may be an average temperature of the highest temperature and the lowest temperature of the first storage compartment
- the representative value of the second storage compartment may be an average temperature of the highest temperature and the lowest temperature of the second storage compartment.
- the controller may compare the representative value of each storage compartment with a set temperature of each storage compartment, and determine the cooling power of the compressor according to the comparison result.
- the controller may determine that the cooling power of the compressor in the current cycle is lower than that of the compressor in the previous cycle when the difference between the set temperature and the representative value of the storage compartment is greater than zero.
- the first reference time and the second reference time may be fixed times.
- the first operating time in the current first cooling cycle is determined based on the temperature of the first reservoir during the one operating cycle, and may be equal to or varying the first operating time of the previous first cooling cycle. Can be.
- the second operating time in the current second cooling cycle is determined based on the temperature of the second storage compartment during the one operating cycle, and may be the same or variable as the second operating time of the previous second cooling cycle. .
- a control method of a refrigerator includes a compressor for compressing a refrigerant, a first evaporator configured to receive coolant from the compressor, and generate cold air for cooling the first storage compartment, and supplying cold air to the first storage compartment.
- First cold air supply means for supplying a second evaporator to generate cool air for a second storage compartment by receiving refrigerant from the compressor, second cold air supply means for supplying cold air to the second storage compartment, the compressor and the And a valve for selectively opening any one of a first refrigerant passage connecting the refrigerant to flow between the first evaporator and a second refrigerant passage connecting the refrigerant to the compressor and the second evaporator.
- a control method of a refrigerator configured to alternately cool a storage compartment and a cooling of the second storage compartment, the control method of the refrigerator. It is that the first refrigeration cycle operation for each step of the compressor is operating, and the first cold air supply means to the first storage operation; When the first cooling cycle is operated for a first operation time, switching to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating the second cold air supply means; And when the second cooling cycle has been operated for a second operating time, the second cooling cycle is stopped, wherein the cooling force of the compressor in the current first cooling cycle is equal to the previous first cooling cycle.
- the compressor is operated in the current second cooling cycle
- the first reference time includes a previous first cooling cycle and a previous second cooling cycle.
- a control method of a refrigerator includes a compressor for compressing a refrigerant, a first evaporator configured to receive coolant from the compressor, and generate cold air for cooling the first storage compartment, and supplying cold air to the first storage compartment.
- First cold air supply means for supplying a second evaporator to generate cool air for a second storage compartment by receiving refrigerant from the compressor, second cold air supply means for supplying cold air to the second storage compartment, the compressor and the And a valve for selectively opening any one of a first refrigerant passage connecting the refrigerant to flow between the first evaporator and a second refrigerant passage connecting the refrigerant to the compressor and the second evaporator.
- a control method of a refrigerator configured to alternately cool a storage compartment and a cooling of the second storage compartment, the initial operation of the refrigerator comprising: Further comprising: the compressor is operating is the first cooling cycle for cooling the first storage group is operated, and the first cold air supply means to the first storage operation; When the first cooling cycle is operated for a first reference time, switching to a second cooling cycle for cooling the second storage compartment to operate the compressor and operating the second cold air supply means; And when the second cooling cycle has been operated for a second reference time, the second cooling cycle is stopped, wherein the cooling force of the compressor in the current first cooling cycle is equal to the previous first cooling cycle.
- the first operating time of the first cooling cycle is determined using the third representative value obtained based on the temperature of the first storage chamber during the first operation cycle, and the determined first operating time is the first reference time.
- the second operating time of the second cooling cycle is determined using the fourth representative value obtained based on the temperature of the second storage compartment during the one operation cycle, and the second operating time is The second reference time is the same or different.
- the cold power of the compressor or the operating time of the cycle can be varied based on the temperature of the storage compartment in the previous cycle, so that the temperature variation range of the storage compartment can be reduced, thereby improving the freshness of the storage. have.
- the compressor since the compressor is continuously operated while varying the cold power of the compressor and / or the operating time of the cycle, the compressor can be prevented from operating with excessive cold power, and the compressor does not need to be turned off before turning on the compressor. There is an advantage that can reduce the power consumption by the required starting power.
- FIG. 1 is a view schematically showing the configuration of a refrigerator according to one embodiment of the present invention.
- FIG. 2 is a block diagram of a refrigerator according to one embodiment of the present invention.
- FIG. 3 is a flow chart for schematically explaining a basic control method of a refrigerator according to one embodiment of the present invention.
- FIG. 4 is a flowchart illustrating a method of determining an operating time of each of a refrigerating cycle and a refrigerating cycle according to an embodiment of the present invention.
- 5 and 6 are flowcharts illustrating a method of determining the cooling force of the compressor when each of the refrigerating cycle and the refrigeration cycle according to another embodiment of the present invention.
- first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. If a component is described as being “connected”, “coupled” or “connected” to another component, that component may be directly connected or connected to that other component, but there is another component between each component. It will be understood that may be “connected”, “coupled” or “connected”.
- FIG. 1 is a view schematically showing the configuration of a refrigerator according to an embodiment of the present invention
- Figure 2 is a block diagram of a refrigerator according to an embodiment of the present invention.
- the refrigerator 1 according to an embodiment of the present invention includes a cabinet 10 having a freezing compartment 111 and a refrigerating compartment 112 formed therein, and coupled to the cabinet 10. And a door (not shown) for opening and closing the freezing compartment 111 and the refrigerating compartment 112, respectively.
- the freezing chamber 111 and the refrigerating chamber 112 may be partitioned in the left and right or up and down directions in the cabinet 10 by the partition wall 113.
- the refrigerator 1 may be referred to as a compressor 21, a condenser 22, an expansion member 23, and a freezer compartment evaporator 24 (or “first evaporator”) for cooling the freezer compartment 111. And a refrigerator compartment evaporator 25 (or referred to as a “second evaporator”) for cooling the refrigerator compartment 112.
- a state in which the switching valve 26 is operated so that the refrigerant flows to the freezer compartment evaporator 24 may be referred to as a first state of the switching valve 26.
- a state in which the switching valve 26 is operated so that the refrigerant flows into the refrigerating chamber evaporator 25 may be referred to as a second state of the switching valve 26.
- the switching valve 26 may be, for example, a three way valve.
- the switching valve 26 is a first refrigerant passage for connecting the refrigerant flows between the compressor 21 and the refrigerating chamber evaporator 25, and between the compressor 21 and the freezing chamber evaporator 24.
- One of the second refrigerant passages connecting the refrigerant to flow therebetween may be selectively opened.
- the switching valve 26 may alternately cool the refrigerator compartment 112 and the freezer compartment 111. have.
- the refrigerator 1 is a freezer compartment fan 28 (which may be referred to as a "first blower fan") for blowing air to the freezer compartment evaporator 24, and a first motor for rotating the freezer compartment fan 28. (27), a refrigerating compartment fan 29 (which may be referred to as a "second blowing fan”) for blowing air to the refrigerating compartment evaporator 25 and a second motor 30 for rotating the refrigerating compartment fan 29. ) May be further included.
- a freezer compartment fan 28 (which may be referred to as a "first blower fan”) for blowing air to the freezer compartment evaporator 24, and a first motor for rotating the freezer compartment fan 28.
- a refrigerating compartment fan 29 (which may be referred to as a "second blowing fan”) for blowing air to the refrigerating compartment evaporator 25 and a second motor 30 for rotating the refrigerating compartment fan 29. ) May be further included.
- a series of cycles through which the refrigerant flows through the compressor 21, the condenser 22, the expansion member 23 and the freezer evaporator 24 is called a "freezing cycle"
- the refrigerant is the compressor 21
- a series of cycles through which the condenser 22, the expansion member 23, and the refrigerating chamber evaporator 25 flows will be referred to as a "refrigeration cycle.”
- Refrigerating cycle is activated means that the compressor 21 is turned on, the refrigerating chamber fan 29 is rotated, and the refrigerant flows through the refrigerating chamber evaporator 25 by the switching valve 26. This means that the refrigerant flowing through the practical evaporator 25 and the air are heat exchanged.
- the freezing cycle is activated means that the compressor 21 is turned on, the freezer compartment fan 28 is rotated, and the refrigerant flows through the freezer compartment evaporator 24 by the switching valve 26. It means that the refrigerant flowing through the freezer evaporator 24 and the heat exchange.
- one expansion member 23 is described as being located upstream of the switching valve 26.
- a first expansion member is located between the switching valve 26 and the freezing chamber evaporator 24. It is also possible to provide a second expansion member between the switching valve 26 and the refrigerating chamber evaporator 25.
- the switching valve 26 is not used, the first valve is provided on the inlet side of the freezer compartment evaporator 24, and the second valve is provided on the inlet side of the refrigerator compartment evaporator 25. It is also possible.
- the first valve may be turned on when the refrigeration cycle is in operation, the second valve may be turned off, and the first valve may be turned off when the refrigeration cycle is in operation, and the second valve may be turned on.
- the refrigerator 1 includes a freezer compartment temperature sensor 41 for detecting a temperature of the freezer compartment 111, a refrigerator compartment temperature sensor 42 for detecting a temperature of the refrigerator compartment 112, and the freezer compartment 111. And an input unit 43 capable of inputting a target temperature (or a set temperature) of each of the refrigerating compartments 112, and a cooling cycle (a freezing cycle and And a control unit 50 for controlling the refrigeration cycle.
- a temperature lower than the set temperature of the refrigerating chamber 112 is referred to as a first refrigerating chamber reference temperature (or a first reference temperature), and a temperature higher than the set temperature of the refrigerating chamber 112 is referred to as a second refrigerating chamber reference temperature (the first temperature). 2 reference temperature).
- a range between the first refrigerator compartment reference temperature and the second refrigerator compartment reference temperature may be referred to as a refrigerator compartment set temperature range.
- the set temperature of the refrigerator compartment 112 may be an average temperature of the first refrigerator compartment reference temperature and the second refrigerator compartment reference temperature.
- a temperature lower than a set temperature of the freezer compartment 111 is referred to as a first freezer compartment reference temperature (or a third reference temperature), and a temperature higher than a set temperature of the freezer compartment 111 is referred to as a second freezer compartment reference temperature (or Fourth reference temperature).
- a range between the first freezer compartment reference temperature and the second freezer compartment reference temperature may be referred to as a freezer compartment set temperature range.
- the set temperature of the freezer compartment 111 may be an average temperature of the first freezer compartment reference temperature and the second freezer compartment reference temperature.
- the user may set a target temperature of each of the freezing compartment 111 and the refrigerating compartment 112.
- the controller 50 may control the refrigeration cycle, the refrigeration cycle and the pump down operation to achieve one operation cycle. That is, the controller 50 operates the cycle while continuously operating the compressor 21 without stopping it.
- the pump down operation refers to an operation of collecting the refrigerant remaining in each of the evaporators to the compressor 21 by operating the compressor 21 in a state in which the refrigerant is supplied to all of the plurality of evaporators.
- the controller 50 operates the refrigerating cycle, and when the stop condition of the refrigerating cycle is satisfied, operates the refrigeration cycle.
- the pump down operation may be performed.
- the start condition of the refrigeration cycle in the present invention may be the same as the stop condition of the refrigeration cycle.
- the pump down operation may be omitted under special conditions.
- the refrigeration cycle and the refrigeration cycle can be operated alternately.
- the refrigerating cycle and the refrigerating cycle may achieve one operation cycle.
- the pump down operation may be omitted.
- the refrigerator 1 of the present invention may further include a memory 44 in which the temperatures of each of the freezing compartment 111 and the refrigerating compartment 112 are stored during one operation cycle.
- FIG. 3 is a flowchart illustrating a basic control method of a refrigerator according to an embodiment of the present invention.
- the power of the refrigerator 1 is turned on (S1).
- the refrigerator 1 may operate to cool the freezing compartment 111 or the refrigerating chamber 112.
- the controller 50 operates the refrigerating cycle (S2).
- the controller 50 may turn on the compressor 21 and rotate the refrigerating compartment fan 29.
- the controller 50 switches the switching valve 26 to the first state so that the refrigerant flows into the refrigerating chamber evaporator 25.
- the freezer compartment 28 remains stationary when the refrigeration cycle is in operation.
- Air exchanged with the refrigerating chamber evaporator 25 is supplied to the refrigerating chamber 112. Therefore, the temperature of the refrigerating chamber 112 is lowered, while the temperature of the freezing chamber 111 is increased.
- the controller 50 determines whether a stop condition of the refrigeration cycle is satisfied (S3). That is, the controller 50 determines whether the start condition of the refrigeration cycle is satisfied.
- the controller 50 may determine that the stop condition of the refrigerating cycle is satisfied when the refrigerating cycle operates and the first operation time elapses.
- the first operating time may vary.
- step S3 If it is determined in step S3 that the start condition of the refrigeration cycle is satisfied, the control unit 50 operates the refrigeration cycle (S4).
- the controller 50 switches the switching valve 26 to the second state so that the refrigerant flows to the freezer compartment evaporator 24.
- the compressor 21 continues to operate without stopping even when switching from the refrigeration cycle to the refrigeration cycle.
- the control unit 50 rotates the freezer compartment fan 28 and stops the refrigerating compartment fan 29.
- the controller 50 may determine whether the stop condition of the refrigerating cycle is satisfied during the operation of the refrigerating cycle (S5).
- the controller 50 may determine that the stop condition of the refrigeration cycle is satisfied when the refrigeration cycle operates and the second operation time elapses.
- the second operation time may vary.
- the pump down operation may be performed (S6).
- the controller 50 operates the refrigerating cycle again.
- FIG. 4 is a flowchart illustrating a method of determining an operating time of each of a refrigerating cycle and a refrigerating cycle according to an embodiment of the present invention.
- the refrigerator cycle may be operated for a first reference time until the refrigerator is operated (S11) and the cycle is stabilized (S12), and the refrigeration cycle may be operated for a second reference time. Can be driven.
- the first reference time and the second reference time are fixed times as predetermined times and may be stored in the memory 44.
- the temperature of the refrigerating chamber 112 is located within the refrigerating chamber set temperature range, or the temperature of the freezing chamber 111 is set in the freezer compartment. It may include one or more of the cases located within the temperature range.
- an operation time of each of the refrigerating cycle and the refrigerating cycle may be determined based on the temperatures of the refrigerating chamber 112 and the freezing chamber 111 during one previous operation cycle.
- the control unit 50 obtains the representative value based on the temperature of the storage chamber during the previous one operation cycle, and calculates the difference between the representative value and the reference value (S13).
- the first operating time of the refrigerating cycle is set to the same time as the first reference time. May be determined or at other times.
- the temperature of the refrigerating compartment 112 during the previous one operation cycle is periodically sensed by the refrigerating compartment temperature sensor 42 and stored in the memory 44.
- the temperature of the refrigerating chamber 112 during the previous one operation cycle is the temperature of the refrigerating chamber 112 when the refrigerating cycle operates, the temperature of the refrigerating chamber 112 when the refrigerating cycle operates, and the temperature of the pump down operation.
- the second operation time of the freezing cycle is determined to be the same time as the second reference time or Can be determined at other times.
- the temperature of the freezer compartment 111 during the previous one operation cycle is periodically sensed by the freezer compartment temperature sensor 41 and stored in the memory 44.
- the temperature of the freezer compartment 111 during one previous operation cycle is the temperature of the freezer compartment 111 when the refrigeration cycle operates, the temperature of the freezer compartment 111 when the refrigeration cycle operates and the pump down operation. It includes the temperature of the freezing chamber 111.
- the controller 50 determines whether the preset reference value is equal to the representative value obtained based on the temperature of the storage chamber during the previous one operation cycle (S14).
- the representative value may be, for example, a temperature deviation of the storage compartment, and the reference value may be a reference deviation.
- step S14 when the reference value and the representative value are the same, the controller 50 determines to keep the operation time of the current cycle the same as the operation time of the previous cycle (S15).
- the determined driving time is reflected (S21). That is, operate the cooling cycle with the determined operating time.
- step S14 determines whether the reference value and the representative value is greater than zero (S16).
- the operation time is operated in the previous cycle so that the time for which the temperature variation of the storage compartment is maintained is long. Decide to increase over time.
- the controller 50 may calculate the amount of change in the driving time according to the difference between the reference value and the representative value (S17).
- the operation time is the first than the operation time of the previous cycle. Decrease by time.
- the operation time is the first time than the operation time of the previous cycle. It may be determined to increase by a larger second time.
- the controller 50 may calculate the amount of change in the driving time according to the difference between the reference value and the representative value (S19).
- the operation time is the first than the operation time of the previous cycle. Decrease by time.
- the operation time is the first time than the operation time of the previous cycle. Decreasing by a larger second time may be determined.
- the second operation time of the refrigerating cycle is determined based on the temperature deviation and the reference deviation obtained based on the temperature of the freezer compartment of the previous cycle, by determining the direction in which the temperature deviation of the freezer compartment decreases, There is an advantage to reduce the temperature change range.
- the operation time of each of the refrigerating cycle and the refrigerating cycle may be maintained or varied, and the compressor may be operated at a fixed cooling force or the cooling power of the compressor may be changed for each cycle during the refrigerating cycle operation.
- the compressor may be operated at a fixed cooling power or the cooling power of the compressor may be changed for each cycle.
- 5 and 6 are flowcharts illustrating a method of determining the cooling force of the compressor when each of the refrigerating cycle and the refrigerating cycle according to another embodiment of the present invention.
- the refrigerator of the present embodiment basically operates in the order of the refrigeration cycle, the refrigeration cycle, and the pump down as described with reference to FIG. 4.
- the pump down operation may be omitted.
- the controller 50 calculates a representative value based on the temperature of the refrigerating chamber 112 during the previous one operation cycle (S31).
- the temperature of the refrigerating compartment 112 during the previous one operation cycle is periodically sensed by the refrigerating compartment temperature sensor 42 and stored in the memory 44.
- the temperature of the refrigerating chamber 112 during the previous one operation cycle is the temperature of the refrigerating chamber 112 when the refrigerating cycle operates, the temperature of the refrigerating chamber 112 when the refrigerating cycle operates, and the pump.
- the temperature of the refrigerating chamber 112 at the time of down operation is included.
- the representative value may be, for example, an average temperature of the refrigerating chamber 112 during one previous operation cycle.
- the representative value may be an average temperature of the highest temperature and the lowest temperature of the refrigerating chamber 112 during the previous one operation cycle.
- the controller 50 calculates a difference between the set temperature and the representative value (S32).
- the controller 50 determines whether the difference between the set temperature and the representative value is O, that is, whether the set temperature and the representative value are the same (S33).
- step S34 when the set temperature and the representative value are the same, the controller 50 determines that the cooling force of the refrigerating chamber 112 is maintained (S34).
- step S33 determines whether the set temperature and the representative value is greater than zero (S35).
- the controller 50 determines that the cooling force of the refrigerating compartment 112 is reduced than that of the refrigerating compartment 112 in a previous refrigeration cycle (S37).
- the cooling force of the compressor 21 in the current refrigeration cycle is reduced than the cooling power of the compressor 21 in the previous refrigeration cycle operation.
- the controller 50 may calculate the amount of change in cooling power according to the difference between the set temperature and the representative value (S36).
- the cooling force of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to reduce by a first level than the cold power of the compressor 21 of.
- the cooling force of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to reduce by a second level than the cold power of the compressor 21 of. At this time, the second level is larger than the first level.
- step S35 when it is determined in step S35 that the difference between the set temperature and the representative value is less than zero, it is determined that the cooling power of the refrigerating chamber 112 is increased to be higher than the cooling power of the refrigerating chamber 112 in the previous cycle (S39). ).
- the cooling force of the compressor 21 in the current refrigeration cycle is increased rather than the cold power of the compressor 21 of the previous refrigeration cycle operation.
- the controller 50 may calculate the amount of change in cooling power according to the difference between the set temperature and the representative value (S38).
- the cooling force of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to increase by a third level than the cooling power of the compressor 21 of.
- the cooling force of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to increase by the fourth level than the cooling power of the compressor 21 of. At this time, the fourth level is greater than the third level.
- the first level may be set equal to or different from the third level, and the second level may be set equal to or different from the fourth level.
- the control unit 50 operates the refrigerating cycle with the determined cold power (or cold power of the compressor) of the refrigerating compartment (S40).
- the controller 50 may determine whether the operation time of the refrigerating cycle has passed the first reference time (S41). That is, the controller 50 may determine whether the stop condition of the refrigerating cycle is satisfied.
- the first reference time may be a fixed time.
- step S41 when the operation time of the refrigerating cycle has passed the first reference time, the controller 50 stops the refrigerating cycle and operates the refrigerating cycle.
- the controller 50 calculates a representative value based on the temperature of the freezer compartment 111 during one previous operation cycle (S42).
- the temperature of the freezer compartment 111 during one previous operation cycle is periodically sensed by the freezer compartment temperature sensor 41 and stored in the memory 44.
- the temperature of the freezer compartment 111 during one previous operation cycle includes the temperature of the freezer compartment 111 when the refrigeration cycle operates, the temperature of the freezer compartment 111 when the refrigeration cycle operates, and the pump. It includes the temperature of the freezer compartment 111 during the down operation.
- the temperature of the freezer compartment 111 during the previous one operation cycle may include the temperature of the freezer compartment 111 when the refrigeration cycle operates, the temperature of the freezer compartment 111 during the pump down operation, and the refrigerating cycle immediately before. It may include the temperature of the freezer compartment 111 when operating.
- the representative value may be, for example, an average temperature of the freezing compartment 111 during one previous operation cycle.
- the representative value may be an average temperature of the highest temperature and the lowest temperature of the freezer compartment 111 during one previous operation cycle.
- the controller 50 calculates a difference between the set temperature and the representative value (S43).
- the controller 50 determines whether the difference between the set temperature and the representative value is O, that is, whether the set temperature and the representative value are the same (S44).
- step S44 when the set temperature and the representative value are the same, the controller 50 determines that the cooling force of the freezer compartment 111 is maintained (S45).
- step S44 determines whether the set temperature and the representative value is greater than zero (S46).
- the controller 50 determines that the cooling force of the freezing compartment 111 is reduced than that of the freezing compartment 111 in the previous freezing cycle (S48).
- the cooling force of the compressor 21 in the current refrigeration cycle is reduced than the cold power of the compressor 21 in the previous refrigeration cycle operation.
- the controller 50 may calculate the amount of change in cooling power according to the difference between the set temperature and the representative value (S47).
- the cooling force of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to reduce by a first level than the cold power of the compressor 21 of.
- the cooling force of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to reduce by a second level than the cold power of the compressor 21 of. At this time, the second level is larger than the first level.
- step S46 when the difference between the reference value and the representative value is less than zero, it is determined that the cooling power of the freezer compartment 111 is increased than the cold power of the freezer compartment 111 in the previous freezing cycle ( S50).
- the cooling power of the compressor 21 in the current refrigeration cycle is increased than the cooling power of the compressor 21 in the previous refrigeration cycle operation.
- the controller 50 may calculate the amount of change in cooling power according to the difference between the set temperature and the representative value (S38).
- the cooling power of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to increase by a third level than the cooling power of the compressor 21 of.
- the cooling force of the compressor 21 is changed to the previous refrigeration cycle. It can be determined to increase by the fourth level than the cooling power of the compressor 21 of. At this time, the fourth level is greater than the third level.
- the first level may be set equal to or different from the third level, and the second level may be set equal to or different from the fourth level.
- the controller 50 drives the refrigeration cycle with the determined cold power (or cold power of the compressor) of the freezing compartment 111 (S51).
- the controller 50 may determine whether the operation time of the refrigeration cycle has passed the second reference time (S52). That is, the controller 50 may determine whether the stop condition of the refrigeration cycle is satisfied.
- the second reference time may be a fixed time.
- step S52 when the operation time of the refrigeration cycle has passed the second reference time, the control unit 50 stops the refrigeration cycle, and performs the pump down operation (S53).
- the cooling force of the compressor 21 can be varied so that the difference between the set temperature and the representative value can be reduced, and thus the temperature variation of the refrigerating compartment and the freezing compartment can be reduced, thereby improving the freshness of the stored object.
- the compressor since the compressor is continuously operated while varying the cold power of the compressor, the compressor can be prevented from operating with excessive cold power, and since the compressor does not need to be turned on after turning off the compressor, power by starting power required in the process of turning on the compressor. This has the advantage of reducing consumption.
- the cooling power of the compressor 21 is determined based on the difference between the set temperature and the representative value.
- the cooling power of the compressor 21 may be determined based on whether the representative value falls within a temperature satisfaction section. Can be.
- the upper limit temperature of the temperature satisfying section is a temperature lower than the second reference temperature of the storage compartment
- the lower limit temperature of the temperature satisfying section is a temperature higher than the first reference temperature of the storage compartment
- the set temperature is a temperature within the temperature satisfying section. to be.
- the controller 50 may operate the compressor such that the cold power of the storage compartment is the same as the cold power of the storage compartment in a previous cycle.
- control unit 50 may control the compressor such that the cold power of the storage compartment is increased than the cold power of the storage compartment in the previous cycle. That is, the cooling power of the compressor in the current cycle can be increased than the cooling power of the compressor in the previous cycle.
- the controller 50 may control the compressor such that the cooling power of the storage compartment is lower than that of the storage compartment in a previous cycle. That is, the cooling power of the compressor in the current cycle can be reduced than that of the compressor in the previous cycle.
- FIG. 4 a technique of varying an operating time of a refrigeration cycle and a freezing cycle is disclosed.
- FIGS. 5 and 6 a technique of varying the cooling power of each of the refrigeration cycle and a refrigeration cycle is disclosed. Do.
- the operating time and cold power of the refrigeration cycle may vary, and the operating time and cold power of the refrigeration cycle may vary.
- the operation time of the refrigerating cycle may be operated for a first reference time, which is a fixed time, and the operation time of the refrigeration cycle may be operated for a second reference time, which is a fixed time, until the stabilization condition of the cycle is satisfied.
- the cold power of the cycle and the cold power of the refrigeration cycle can vary.
- the cooling power in each cycle may be varied, but also the operation time in each cycle may be varied.
- the stabilization condition of the cycle when the stabilization condition of the cycle is satisfied, it means a case in which the cooling force increases or decreases within a predetermined range when the cooling force of the compressor in each cooling cycle is changed by a predetermined number of times. For example, it may be determined that the stabilization condition of the cycle is satisfied when the variable amount of cooling force falls within the reference range while the cooling force is varied for five times.
- the representative value of the refrigerating compartment for variable cooling power may be referred to as the first representative value, and the representative value of the freezer compartment may be referred to as the second representative value.
- the representative value of the refrigerating chamber for varying the operation time may be referred to as the third representative value, and the representative value of the freezer compartment may be referred to as the fourth representative value.
- the refrigerating compartment may be referred to as a first storage compartment, and the freezing compartment may be referred to as a second storage compartment.
- the refrigeration cycle may be referred to as a first cooling cycle for the first storage compartment, and the refrigeration cycle may be referred to as a second cooling cycle for the second storage compartment.
- the refrigerating compartment fan may be referred to as a first cold air supply means for a first storage compartment, and the freezer compartment fan may be referred to as a second cold air supply means for a second storage compartment.
- the refrigerating compartment may be referred to as a second storage compartment
- the freezing compartment may be referred to as a first storage compartment.
- the refrigeration cycle may be referred to as a second cooling cycle for the second storage compartment, and the refrigeration cycle may be referred to as a first cooling cycle for the first storage compartment.
- the refrigerator compartment fan may be referred to as a second cold air supply means for the second storage compartment
- the freezer compartment fan may be referred to as a first cold air supply means for the first storage compartment.
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Abstract
Description
Claims (15)
- 냉매를 압축하는 압축기와, 상기 압축기로부터 냉매를 공급받아 제 1 저장실을 냉각시키기 위한 냉기를 발생시키는 제 1 증발기와, 상기 제 1 저장실에 냉기를 공급하기 위한 제 1 냉기공급수단과, 상기 압축기로부터 냉매를 공급받아 제 2 저장실을 위한 냉기를 발생시키는 제 2 증발기와, 상기 제 2 저장실에 냉기를 공급하기 위한 제 2 냉기공급수단과, 상기 압축기와 상기 제 1 증발기 사이에 냉매가 흐로도록 연결하는 제 1 냉매통로와 상기 압축기와 상기 제 2 증발기 사이에 냉매가 흐르도록 연결하는 제 2 냉매통로 중 어느 하나를 선택적으로 개방하는 밸브를 포함함으로써, 상기 제 1 저장실의 냉각과 상기 제 2 저장실 냉각이 교번하여 이루어지도록 구성된 냉장고의 제어방법에 있어서,상기 제 1 저장실의 냉각을 위한 상기 제 1 냉각 사이클이 작동되어 압축기가 작동하고, 상기 제 1 저장실을 위한 상기 제 1 냉기공급수단이 작동하는 단계;상기 제 1 냉각 사이클이 제 1 운전 시간 동안 작동된 경우, 상기 제 2 저장실의 냉각을 위한 제 2 냉각 사이클로 전환되어 상기 압축기가 작동하고, 상기 제 2 냉기공급수단이 작동하는 단계; 및상기 제 2 냉각 사이클이 제 2 운전 시간 동안 작동된 경우, 상기 제 2 냉각 사이클이 정지되는 단계를 포함하고,상기 제 1 기준 시간은 이전의 제 1 냉각 사이클과 이전의 제 2 냉각 사이클을 포함하는 1회의 운전 주기 동안의 상기 제 1 저장실의 온도에 기초하여 획득된 대표값을 이용하여 결정되고, 제어부는 결정된 제 1 기준 시간 동안 상기 제 1 냉각 사이클이 작동되도록 하고,상기 제 2 기준 시간은 상기 1회의 운전 주기 동안의 상기 제 2 저장실의 온도에 기초하여 획득된 대표값을 이용하여 결정되고, 상기 제어부는 결정된 제 2 기준 시간 동안 상기 제 2 냉각 사이클이 작동되도록 하는 냉장고의 제어방법.
- 제 1 항에 있어서,상기 제 1 저장실의 대표값은 상기 제 1 저장실의 온도 편차이고,상기 제 2 저장실의 대표값은 상기 제 2 저장실의 온도 편차인 냉장고의 제어방법.
- 제 1 항 또는 제 2 항에 있어서,상기 제어부는, 상기 각 저장실의 대표값과 기준값을 비교하고, 비교 결과에 따라서 상기 제 1 기준 시간 및 제 2 기준 시간을 결정하는 냉장고의 제어방법.
- 제 3 항에 있어서,상기 제어부는, 상기 기준값과 상기 각 저장실의 대표값이 동일한 경우에는 상기 제 1 기준 시간 및 제 2 기준 시간을 이전 사이클에서의 운전 시간과 동일한 시간으로 결정하는 냉장고의 제어방법.
- 제 4 항에 있어서,상기 제어부는, 상기 기준값과 상기 저장실의 대표값의 차이가 0보다 큰 경우에는 상기 제 1 기준 시간 및 제 2 기준 시간을 이전 사이클에서의 운전 시간 보다 증가시키는 것으로 결정하고,상기 기준값과 상기 저장실의 대표값의 차이가 0보다 작은 경우에는 상기 제 1 기준 시간 및 제 2 기준 시간을 이전 사이클에서의 운전 시간 보다 감소시키는 것으로 결정하는 냉장고의 제어방법.
- 제 1 항에 있어서,사이클의 횟수와 무관하게 상기 압축기는 고정된 냉력으로 작동되는 냉장고의 제어방법.
- 제 1 항에 있어서,현재의 제 1 냉각 사이클에서의 압축기의 냉력은 상기 1회의 운전 주기 동안의 상기 제 1 저장실의 온도에 기초하여 결정되며, 이전의 제 1 냉각 사이클의 압축기의 냉력과 동일하게 유지되거나 가변되고,현재의 제 2 냉각 사이클에서의 압축기의 냉력은 상기 1회의 운전 주기 동안의 상기 제 2 저장실의 온도에 기초하여 결정되며, 이전의 제 2 냉각 사이클의 압축기의 냉력과 동일하게 유지되거나 가변되는 냉장고의 제어방법.
- 냉매를 압축하는 압축기와, 상기 압축기로부터 냉매를 공급받아 제 1 저장실을 냉각시키기 위한 냉기를 발생시키는 제 1 증발기와, 상기 제 1 저장실에 냉기를 공급하기 위한 제 1 냉기공급수단과, 상기 압축기로부터 냉매를 공급받아 제 2 저장실을 위한 냉기를 발생시키는 제 2 증발기와, 상기 제 2 저장실에 냉기를 공급하기 위한 제 2 냉기공급수단과, 상기 압축기와 상기 제 1 증발기 사이에 냉매가 흐로도록 연결하는 제 1 냉매통로와 상기 압축기와 상기 제 2 증발기 사이에 냉매가 흐르도록 연결하는 제 2 냉매통로 중 어느 하나를 선택적으로 개방하는 밸브를 포함함으로써, 상기 제 1 저장실의 냉각과 상기 제 2 저장실 냉각이 교번하여 이루어지도록 구성된 냉장고의 제어방법에 있어서,상기 제 1 저장실의 냉각을 위한 상기 제 1 냉각 사이클이 작동되어 압축기가 작동하고, 상기 제 1 저장실을 위한 제 1 냉기공급수단이 작동하는 단계;상기 제 1 냉각 사이클이 제 1 기준 시간 동안 작동된 경우, 상기 제 2 저장실의 냉각을 위한 제 2 냉각 사이클로 전환되어 상기 압축기가 작동하고, 상기 제 2 냉기공급수단이 작동하는 단계; 및상기 제 2 냉각 사이클이 제 2 기준 시간 동안 작동된 경우, 상기 제 2 냉각 사이클이 정지되는 단계를 포함하고,현재의 제 1 냉각 사이클에서의 상기 압축기의 냉력은 이전의 제 1 냉각 사이클과 이전의 제 2 냉각 사이클을 포함하는 1회의 운전 주기 동안의 상기 제 1 저장실의 온도에 기초하여 획득된 대표값을 이용하여 결정되고, 제어부는 결정된 냉력으로 상기 압축기가 현재의 제 1 냉각 사이클에서 작동되도록 하고,현재의 제 2 냉각 사이클에서의 상기 압축기의 냉력은 상기 1회의 운전 주기 동안의 상기 제 2 저장실의 온도에 기초하여 획득된 대표값을 이용하여 결정되고, 제어부는 결정된 냉력으로 상기 압축기가 현재의 제 2 냉각 사이클에서 작동되도록 하는 냉장고의 제어방법.
- 제 8 항에 있어서,상기 제 1 저장실의 대표값은 상기 제 1 저장실의 평균 온도이고,상기 제 2 저장실의 대표값은 상기 제 2 저장실의 평균 온도인 냉장고의 제어방법.
- 제 8 항에 있어서,상기 제 1 저장실의 대표값은 상기 제 1 저장실의 최고 온도와 최저 온도의 평균 온도이고,상기 제 2 저장실의 대표값은 상기 제 2 저장실의 최고 온도와 최저 온도의 평균 온도인 냉장고의 제어방법.
- 제 8 항에 있어서,상기 제어부는, 상기 각 저장실의 대표값과 각 저장실의 설정 온도를 비교하고, 비교 결과에 따라서 상기 압축기의 냉력을 결정하는 냉장고의 제어방법.
- 제 11 항에 있어서,상기 제어부는, 상기 각 설정 온도와 상기 각 저장실의 대표값이 동일한 경우에는 현재 사이클에서의 압축기의 냉력을 이전 사이클에서의 압축기의 냉력과 동일한 냉력으로 결정하는 냉장고의 제어방법.
- 제 12 항에 있어서,상기 제어부는, 상기 각 설정 온도와 상기 저장실의 대표값의 차이가 0보다 큰 경우에는 현재 사이클에서의 압축기의 냉력을 이전 사이클에서의 압축기의 냉력 보다 감소시키는 것으로 결정하고,상기 각 설정 온도와 상기 저장실의 대표값의 차이가 0보다 작은 경우에는 현재 사이클에서의 압축기의 냉력을 이전 사이클에서의 압축기의 냉력 보다 증가시키는 것으로 결정하는 냉장고의 제어방법.
- 제 8 항에 있어서,상기 제 1 기준 시간 및 상기 제 2 기준 시간은 고정된 시간인 냉장고의 제어방법.
- 제 8 항에 있어서,현재의 제 1 냉각 사이클에서의 제 1 운전 시간은 상기 1회의 운전 주기 동안의 상기 제 1 저장실의 온도에 기초하여 결정되며, 이전의 제 1 냉각 사이클의 제 1 운전 시간과 동일하거나 가변되고,현재의 제 2 냉각 사이클에서의 제 2 운전 시간은 상기 1회의 운전 주기 동안의 상기 제 2 저장실의 온도에 기초하여 결정되며, 이전의 제 2 냉각 사이클의 제 2 운전 시간과 동일하거나 가변되는 냉장고의 제어방법.
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| US17/265,311 US11732948B2 (en) | 2018-08-02 | 2019-08-01 | Method for controlling refrigerator to alternately cool two storage compartments |
| AU2019314054A AU2019314054B2 (en) | 2018-08-02 | 2019-08-01 | Method for controlling refrigerator |
| EP19844114.9A EP3832237B1 (en) | 2018-08-02 | 2019-08-01 | Method for controlling refrigerator |
| CN201980051626.6A CN112513550B (zh) | 2018-08-02 | 2019-08-01 | 冰箱的控制方法 |
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| KR10-2018-0090461 | 2018-08-02 | ||
| KR1020180090461A KR102567056B1 (ko) | 2018-08-02 | 2018-08-02 | 냉장고의 제어방법 |
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| EP (1) | EP3832237B1 (ko) |
| KR (1) | KR102567056B1 (ko) |
| CN (1) | CN112513550B (ko) |
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| KR20220084715A (ko) * | 2020-12-14 | 2022-06-21 | 엘지전자 주식회사 | 냉장고 및 그 제어방법 |
| CN113007963A (zh) * | 2021-02-03 | 2021-06-22 | 合肥朗驰工业设计有限公司 | 并联双系统冰箱的控制方法及系统 |
| KR102412126B1 (ko) * | 2021-10-21 | 2022-07-01 | 주식회사 스키피오 | 제빙기 및 그 동작 방법 |
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| Publication number | Publication date |
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| KR102567056B1 (ko) | 2023-08-16 |
| US11732948B2 (en) | 2023-08-22 |
| AU2019314054B2 (en) | 2024-08-01 |
| AU2019314054A1 (en) | 2021-03-18 |
| EP3832237A4 (en) | 2022-05-18 |
| EP3832237A1 (en) | 2021-06-09 |
| US20210302092A1 (en) | 2021-09-30 |
| CN112513550B (zh) | 2022-12-02 |
| EP3832237B1 (en) | 2026-03-25 |
| CN112513550A (zh) | 2021-03-16 |
| KR20200015107A (ko) | 2020-02-12 |
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