CN106766535A - A kind of control method of refrigerator - Google Patents
A kind of control method of refrigerator Download PDFInfo
- Publication number
- CN106766535A CN106766535A CN201611246555.XA CN201611246555A CN106766535A CN 106766535 A CN106766535 A CN 106766535A CN 201611246555 A CN201611246555 A CN 201611246555A CN 106766535 A CN106766535 A CN 106766535A
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- Prior art keywords
- aperture
- refrigeration
- temperature
- pattern
- expansion valve
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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
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
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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
- F25D29/003—Arrangement or mounting of control or safety devices for movable 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention provides a kind of control method of refrigerator, the refrigerator includes the first refrigeration compartment with refrigeration pattern and frozen mode, the refrigeration system to first refrigeration compartment offer cold, the blower fan of the cold quantity transmission that the refrigeration system is produced to the first refrigeration compartment, air channel and controller, the refrigeration system includes the compressor, condenser, electric expansion valve and the evaporator that are sequentially connected, and the control method includes：After first refrigeration compartment needs the setting pattern freezed and judge first refrigeration compartment, it is the startup aperture corresponding with the setting pattern that the controller controls the aperture of the electric expansion valve；Judge whether the temperature of the first refrigeration compartment reaches the temperature of shutoff temperature preset temperature numerical value high more corresponding than the setting pattern, if, controller controls the aperture of the electric expansion valve to switch to the switching aperture corresponding with setting pattern, so as to reach the effect of the temperature fluctuation and energy-conservation that reduce the first refrigeration chamber.
Description
Technical field
The present invention relates to refrigerating plant field, more particularly to a kind of control method of the refrigerator with energy-saving effect.
Background technology
In traditional refrigerator, the flow of refrigerant is typically all to be controlled by capillary.But, the throttling of capillary is made
With relatively simple, it is impossible to which the refrigerating capacity according to refrigeration compartment demand changes the flow of refrigerant, the refrigeration effect of refrigerator is directly affected
Really.
It is connected in refrigeration system instead of capillary using the variable electric expansion valve of flow in existing part refrigerator, from
And the refrigerating efficiency of the refrigeration compartment can be strengthened according to the refrigerating capacity of refrigeration compartment demand to the flow of just refrigerant.
But, during the refrigeration system starts and provides cold to the refrigeration compartment, the electric expansion valve
Be always maintained at an aperture, such as when refrigeration compartment is refrigerating chamber, when the temperature of refrigeration chamber is reduced to a certain temperature,
Because the aperture of electric expansion valve is larger, the evaporating temperature of evaporator is higher, causes the temperature fluctuation of refrigeration chamber larger, so that
It is difficult to reach shutoff temperature, causes energy consumption higher.
In view of this, it is necessary to provide a kind of control method of improved refrigerator to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of control method of the refrigerator with energy-saving effect.
For achieving the above object, the present invention is adopted the following technical scheme that：A kind of control method of refrigerator, the refrigerator
Including refrigeration compartment, the refrigeration system to refrigeration compartment offer cold, the cold quantity transmission for producing the refrigeration system extremely
The blower fan of refrigeration compartment, air channel and controller, compressor that the refrigeration system includes being sequentially connected, condenser, electronics are swollen
Swollen valve and evaporator, the blower fan, compressor, electric expansion valve are electrically connected with the controller, the refrigeration compartment
Including with refrigeration pattern and the refrigeration compartment of frozen mode first；The control method comprises the following steps：After refrigerator starts,
After first refrigeration compartment needs the setting pattern freezed and judge first refrigeration compartment, the compressor start,
Blower fan starts, while it is that the startup corresponding with the setting pattern is opened that the controller controls the aperture of the electric expansion valve
Degree；
The controller controls the aperture of the electric expansion valve be the startup aperture corresponding with the setting pattern after, judge
Whether the temperature of the first refrigeration compartment reaches the temperature of shutoff temperature preset temperature numerical value high more corresponding than the setting pattern, if
It is that then the controller controls the aperture of the electric expansion valve to switch to the switching aperture corresponding with setting pattern；If it is not,
Then the controller controls the electric expansion valve to keep startup aperture operation corresponding with the setting pattern until described first
The temperature of refrigeration compartment reaches the temperature of preset temperature numerical value higher than the shutoff temperature of the setting pattern, and the pattern that sets is as cold
During the pattern of Tibetan it is corresponding startup aperture less than it is described set pattern as frozen mode when corresponding startup aperture；The setting pattern
For refrigeration pattern when it is corresponding switching aperture more than it is described set pattern as frozen mode when corresponding switching aperture.
Used as further improved technical scheme of the present invention, controller noted above controls the aperture switching of the electric expansion valve
It is that the control method also comprises the following steps after the switching aperture corresponding with setting pattern：Judge the first refrigeration compartment
Whether temperature reaches the shutoff temperature corresponding with setting pattern, if so, then the compressor shutdown, fan parking, electronics are swollen
Swollen valve is closed；If it is not, then compressor continuous service, blower fan continuous service, the controller controls opening for the electric expansion valve
Degree keeps the switching aperture corresponding with setting pattern to run until the temperature of first refrigeration compartment reaches and setting pattern
Corresponding shutoff temperature.
As further improved technical scheme of the present invention, corresponding startup aperture when setting pattern as refrigeration pattern
Less than it is described set pattern as refrigeration pattern when corresponding switching aperture；Corresponding startup when setting pattern as frozen mode
Aperture more than it is described set pattern as frozen mode when corresponding switching aperture.
Used as further improved technical scheme of the present invention, the refrigeration compartment also includes refrigerating chamber, and the air channel includes
By the evaporator produce cold be delivered to refrigerating chamber freezing air channel and by the evaporator generation cold be delivered to
The sub-air channel of the first refrigeration compartment, the refrigerator also includes the air door and use that are used to be opened and closed sub-air channel in the sub-air channel
In the blower fan mask in opening and closing freezing air channel, the control method also comprises the following steps：When the first refrigeration compartment needs refrigeration
When, the compressor start, blower fan start, air door is opened, blower fan mask is closed；When the refrigerating chamber needs refrigeration, institute
State compressor start, blower fan startup, blower fan mask is opened, air door is closed.
As further improved technical scheme of the present invention, when the refrigerating chamber needs refrigeration, the compressor start, wind
When machine starts, blower fan mask is opened, air door is closed, the control method also comprises the following steps：The controller controls institute
The aperture of electric expansion valve is stated for freezing starts aperture, and judge refrigerating chamber temperature whether reach it is high more pre- than freezing shutoff temperature
If the temperature of Temperature numerical, if so, then the controller controls the aperture of the electric expansion valve to switch to freezing switching aperture；
If it is not, then the controller controls the electric expansion valve to keep freezing to start aperture operation until the temperature of the refrigerating chamber reaches
To the temperature of preset temperature numerical value higher than the freezing shutoff temperature；The freezing starts aperture more than the freezing switching aperture.
Used as further improved technical scheme of the present invention, controller noted above controls the aperture switching of the electric expansion valve
After for freezing switching aperture, the control method also comprises the following steps：Judge whether the temperature of refrigerating chamber reaches freezing shutdown
Temperature, if so, the then compressor shutdown, fan parking, the electric expansion valve is closed, blower fan mask is closed；If it is not, then
Compressor continuous service, blower fan continuous service, controller control the aperture of the electric expansion valve to keep freezing switching aperture fortune
Row is until the temperature of the refrigerating chamber reaches freezing shutoff temperature.
Used as further improved technical scheme of the present invention, the volume of the refrigerating chamber is less than first refrigeration compartment
Volume；Corresponding startup when setting pattern as refrigeration pattern that the freezing startup aperture is more than first refrigeration compartment is opened
Degree, while less than first refrigeration compartment corresponding startup aperture when setting pattern as frozen mode；The freezing switching
Aperture is more than corresponding switching aperture when setting pattern as frozen mode of first refrigeration compartment, while being less than described first
Corresponding switching aperture when setting pattern as refrigeration pattern of refrigeration compartment.
Used as further improved technical scheme of the present invention, after refrigerator starts, the control method also comprises the following steps：
Judge whether the first refrigeration compartment needs refrigeration, if so, then judging the setting pattern of the first refrigeration compartment again；If it is not, then judging
Whether the refrigerating chamber needs refrigeration, if so, then the compressor start, blower fan start, blower fan mask is opened, air door is closed
Close, while the controller controls the aperture of the electric expansion valve for freezing starts aperture, if it is not, then the compressor keeps
Stopped status, blower fan remain shut off state, electric expansion valve and remain off, and judge that first refrigeration compartment is again
It is no to need refrigeration.
Used as further improved technical scheme of the present invention, the compressor is frequency-changeable compressor.
The beneficial effects of the invention are as follows：The present invention compressor start to the refrigeration compartment provide cold during,
When the temperature of the refrigeration compartment reaches the temperature of shutoff temperature preset temperature numerical value high more corresponding than the setting pattern, control
The aperture of the electric expansion valve switches to switching corresponding with the pattern and opens from the startup aperture corresponding with the setting pattern
Degree such that it is able to reduce the temperature fluctuation of refrigeration chamber, reach the effect of energy-conservation.
Brief description of the drawings
Fig. 1 is the flow chart of the control method in the present invention.
Specific embodiment
Below with reference to each implementation method shown in the drawings, the present invention will be described in detail, refer to shown in Fig. 1, is this
The better embodiment of invention.
Please join shown in Fig. 1, the present invention provides a kind of control method of refrigerator so that refrigeration system starts is carried to refrigeration compartment
Shutoff temperature can quickly and be stably reached during semen donors, so as to reach the effect of energy-conservation.
The refrigerator includes refrigeration compartment, the refrigeration system of cold provided to the refrigeration compartment, by the refrigeration system
To the blower fan of refrigeration compartment, air channel and controller, the refrigeration system includes the compression being sequentially connected to the cold quantity transmission of generation
Machine, condenser, electric expansion valve and evaporator, the blower fan, compressor, electric expansion valve electrically connect with the controller
Connect.The compressor is frequency-changeable compressor, and operation is engaged with the electric expansion valve.
The refrigeration compartment includes thering is refrigeration pattern and the refrigeration compartment of frozen mode first and refrigerating chamber, the wind
Road includes for the cold that the evaporator is produced being delivered to the freezing air channel of refrigerating chamber and the cold by evaporator generation
The sub-air channel of the first refrigeration compartment is delivered to, the refrigerator also includes the air door for being used to be opened and closed sub-air channel in the sub-air channel
And for being opened and closed the blower fan mask in freezing air channel.
When the air door is in open mode, the cold that the evaporator is produced can be through the sub-air channel and blower fan
It is delivered to first refrigeration chamber；When the blower fan mask is in open mode, the cold that the evaporator is produced
Can be delivered in the refrigerating chamber through the freezing air channel and blower fan.
The control method comprises the following steps：
Refrigerator starts；
Judge whether the first refrigeration compartment needs refrigeration, if so, then jumping to step a1；If it is not, then jumping to step b1；
Above-mentioned steps a1 specifically includes following steps：
a11：Judge the setting pattern of first refrigeration compartment；
Setting pattern in first refrigeration compartment includes refrigeration pattern and frozen mode, can be according to the need of actual storing
Ask, the setting pattern of first refrigeration compartment is adjusted, to meet the storing demand of user.
a12：Compressor start, blower fan start, air door is opened, blower fan mask is closed, and the controller control electronics is swollen
The aperture of swollen valve is the startup aperture corresponding with the setting pattern and jumps to step a13；
Air door is opened blower fan mask simultaneously and is closed so that the cold of evaporator generation is all through blower fan and sub- wind in step a12
Transmit the refrigerating efficiency that can accelerate the first refrigeration compartment to the first refrigeration chamber in road.
The startup aperture corresponding when setting pattern as refrigeration pattern is corresponding less than when setting pattern as frozen mode
Start aperture, it is described set pattern as refrigeration pattern when reduce the flow of the refrigerant, prevent first refrigeration compartment
There is the phenomenon of supercooling；It is described set pattern as frozen mode when, the flow of the refrigerant is increased, so that first system
Cold compartment can comparatively fast reach frozen mode.
a13：Judging the temperature of first refrigeration compartment, whether to reach shutoff temperature more corresponding than the setting pattern high pre-
If the temperature of Temperature numerical, if so, then controller control electric expansion valve aperture switch to it is corresponding with the setting pattern
Switching aperture simultaneously jumps to step a14；If it is not, then the controller controls the electric expansion valve to keep and the setting pattern pair
The startup aperture operation answered is until the temperature of first refrigeration compartment reaches default temperature higher than the shutoff temperature of the setting pattern
The temperature of number of degrees value；
The preset temperature numerical value is 2.When it is described set pattern as refrigeration pattern when, the compressor start give described first
During refrigeration compartment provides cold, when the temperature of first refrigeration compartment reaches shutoff temperature more corresponding than refrigeration pattern
During the temperature of preset temperature numerical value high, because the startup aperture of electric expansion valve is smaller, cause the evaporating temperature of evaporator relatively low, if
Electronic expansion hair holding startup aperture is constant, and the temperature for being easily caused the first refrigeration chamber is too low and the first refrigeration chamber
The problems such as food is easily air-dried.
Therefore, reach shutoff temperature preset temperature numerical value high more corresponding than refrigeration pattern in the temperature of first refrigeration compartment
Temperature when, the controller controls the aperture of the electric expansion valve to switch to switching aperture corresponding with refrigeration pattern, institute
When stating the pattern of setting as refrigeration pattern it is corresponding startup aperture less than it is described set pattern as refrigeration pattern when it is corresponding switch open
Degree, that is, increase the aperture of the electric expansion valve, so as to improve the evaporating temperature of the evaporator, on the one hand, be prevented from institute
The situation that supercooling occurs in the first refrigeration compartment is stated, the temperature of the first refrigeration compartment is reached shutdown corresponding with refrigeration pattern as early as possible
Temperature, so as to reach the effect of energy-conservation；On the other hand, the effect of moisturizing can be reached, strengthens the guarantor of first refrigeration compartment
Fresh effect.
When it is described set pattern as frozen mode when, the compressor start to first refrigeration compartment provide cold
During, when the temperature of first refrigeration compartment reaches shutoff temperature preset temperature numerical value high more corresponding than frozen mode
During temperature, because the startup aperture of electric expansion valve is larger, cause the evaporating temperature of evaporator higher, if electronic expansion hair holding is opened
Dynamic aperture is constant, and the temperature fluctuation for being easily caused the first refrigeration chamber is larger, it is necessary to the long period can be only achieved and frozen mode
Corresponding shutoff temperature, causes energy consumption larger.
Therefore, reach the temperature than freezing corresponding shutoff temperature preset temperature numerical value high in the temperature of first refrigeration compartment
When spending, the controller controls the aperture of the electric expansion valve to switch to switching aperture corresponding with frozen mode, described to set
Mould-fixed be frozen mode when it is corresponding startup aperture more than it is described set pattern as frozen mode when corresponding switching aperture, i.e.,
The aperture of the electric expansion valve is reduced, so as to reduce the evaporating temperature of the evaporator, on the one hand, reduce first refrigeration
Between indoor temperature fluctuation, the temperature of the first refrigeration compartment is reduced to shutoff temperature corresponding with frozen mode as early as possible so that
The effect of energy-conservation is reached, and strengthens the reliability of refrigeration system；On the other hand, noise can be reduced.
The switching aperture corresponding when setting pattern as refrigeration pattern more than it is described set pattern as frozen mode when pair
The switching aperture answered.
a14：Judge whether the temperature of the first refrigeration compartment reaches the shutoff temperature corresponding with setting pattern, if so, then
The compressor shutdown, fan parking, electric expansion valve are closed；If it is not, then compressor continuous service, blower fan continuous service, institute
Stating controller controls the aperture of the electric expansion valve to keep the switching aperture operation corresponding with setting pattern up to described the
The temperature of one refrigeration compartment reaches the shutoff temperature corresponding with setting pattern.
After the temperature of first refrigeration compartment reaches the shutoff temperature corresponding with setting pattern, step is jumped to
b1。
Above-mentioned steps b1 specifically includes following steps：
b11：Judge whether refrigerating chamber needs refrigeration, if so, then the compressor start, blower fan start, blower fan mask is opened,
Air door is closed, and the controller controls the aperture of the electric expansion valve for freezing starts aperture and jumps to step b12；If
No, then the compressor, blower fan remain shut off state, and electric expansion valve is remained off；
Air door is closed blower fan mask simultaneously and is opened so that the cold of evaporator generation is all through blower fan and freezing in step b11
Air channel is transmitted to refrigerating chamber, can accelerate the refrigerating efficiency of refrigerating chamber.
Less than the volume of first refrigeration compartment, the freezing starts aperture more than described the to the volume of the refrigerating chamber
Corresponding startup aperture when setting pattern as refrigeration pattern of one refrigeration compartment, while less than the setting of first refrigeration compartment
Corresponding startup aperture when pattern is frozen mode.
If the refrigerating chamber need not freeze, judge whether the first refrigeration compartment needs refrigeration again.
b12：Judge whether the temperature of refrigerating chamber reaches the temperature than freezing shutoff temperature preset temperature numerical value high, if so,
Then the controller controls the aperture of the electric expansion valve to switch to freezing switching aperture b13；If it is not, the then controller control
Making the electric expansion valve keeps freezing to start aperture operation until the temperature of the refrigerating chamber is reached than the freezing shutoff temperature
The temperature of preset temperature numerical value high；
The preset temperature numerical value is 2.During the compressor start provides cold to the refrigerating chamber, when described cold
When the temperature for freezing room reaches the temperature than freezing shutoff temperature preset temperature numerical value high, because the freezing of electric expansion valve starts aperture
It is larger, cause the evaporating temperature of evaporator higher, if electronic expansion hair keeps freezing, startup aperture is constant, is easily caused in refrigerating chamber
Temperature fluctuation it is larger, it is necessary to the long period can be only achieved freezing shutoff temperature, cause energy consumption larger.
Therefore, when the temperature of the refrigerating chamber reaches the temperature than freezing shutoff temperature preset temperature numerical value high, the control
Device processed controls the aperture of the electric expansion valve to switch to freezing switching aperture, and the freezing starts aperture and cut more than the freezing
Aperture is changed, that is, reduces the aperture of the electric expansion valve, so as to reduce the evaporating temperature of the evaporator, on the one hand, reduce institute
The temperature fluctuation in refrigerating chamber is stated, the temperature of refrigerating chamber is reduced to freezing shutoff temperature as early as possible, so as to reach the effect of energy-conservation,
And strengthen the reliability of refrigeration system；On the other hand, noise can be reduced.
When setting pattern as frozen mode corresponding switching of the freezing switching aperture more than first refrigeration compartment
Aperture, while less than corresponding switching aperture when setting pattern as refrigeration pattern of first refrigeration compartment.
b13：Judge whether the temperature of refrigerating chamber reaches freezing shutoff temperature, if so, then the compressor shutdown, blower fan stop
Machine, the electric expansion valve is closed, blower fan mask is closed；If it is not, then compressor continuous service, blower fan continuous service, control
Device controls the aperture of the electric expansion valve to keep freezing switching aperture operation until the temperature of the refrigerating chamber reaches freezing and closes
Machine temperature.
After the temperature of the refrigerating chamber reaches freezing shutoff temperature, judge whether first refrigeration compartment needs again
Refrigeration.
Certainly, refrigerator can also first judge whether refrigerating chamber needs refrigeration after starting, when refrigerating chamber need not freeze again
Judge whether first refrigeration compartment needs refrigeration.
In sum, it is of the invention during compressor start provides cold to the refrigeration compartment, when the refrigeration
When the temperature of compartment reaches the temperature of shutoff temperature preset temperature numerical value high more corresponding than the setting pattern, control the electronics swollen
The aperture of swollen valve switches to switching aperture corresponding with the pattern from the startup aperture corresponding with the setting pattern such that it is able to
Reduce the temperature fluctuation of refrigeration chamber, reach the effect of energy-conservation.
It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each implementation method can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment for understanding.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (9)
1. a kind of control method of refrigerator, the refrigerator includes refrigeration compartment, the refrigeration system of cold is provided to the refrigeration compartment
System, the blower fan of the cold quantity transmission that the refrigeration system is produced to refrigeration compartment, air channel and controller, the refrigeration system bag
Include compressor, condenser, electric expansion valve and the evaporator being sequentially connected, the blower fan, compressor, electric expansion valve with
The controller is electrically connected with, and the refrigeration compartment includes thering is refrigeration pattern and the refrigeration compartment of frozen mode first；It is special
Levy and be：The control method comprises the following steps：After refrigerator starts, need to freeze and judge institute in first refrigeration compartment
After stating the setting pattern of the first refrigeration compartment, the compressor start, blower fan start, while the controller controls the electronics
The aperture of expansion valve is the startup aperture corresponding with the setting pattern；
The controller controls the aperture of the electric expansion valve be the startup aperture corresponding with the setting pattern after, judge
Whether the temperature of the first refrigeration compartment reaches the temperature of shutoff temperature preset temperature numerical value high more corresponding than the setting pattern, if
It is that then the controller controls the aperture of the electric expansion valve to switch to the switching aperture corresponding with setting pattern；If it is not,
Then the controller controls the electric expansion valve to keep startup aperture operation corresponding with the setting pattern until described first
The temperature of refrigeration compartment reaches the temperature of preset temperature numerical value higher than the shutoff temperature of the setting pattern, and the pattern that sets is as cold
During the pattern of Tibetan it is corresponding startup aperture less than it is described set pattern as refrigeration pattern when corresponding switching aperture；The setting pattern
During for frozen mode it is corresponding startup aperture more than it is described set pattern as frozen mode when corresponding switching aperture.
2. control method as claimed in claim 1, it is characterised in that：Controller noted above controls the aperture of the electric expansion valve
After switching to the switching aperture corresponding with setting pattern, the control method also comprises the following steps：Between judging the first refrigeration
Whether the temperature of room reaches the shutoff temperature corresponding with setting pattern, if so, the then compressor shutdown, fan parking, electricity
Sub- expansion valve is closed；If it is not, then compressor continuous service, blower fan continuous service, the controller controls the electric expansion valve
Aperture keep the switching aperture corresponding with setting pattern to run up to the temperature of first refrigeration compartment reaches and setting
The corresponding shutoff temperature of pattern.
3. control method as claimed in claim 1, it is characterised in that：Corresponding startup when setting pattern as refrigeration pattern
Aperture is less than corresponding startup aperture when setting pattern as frozen mode；It is described corresponding when setting pattern as refrigeration pattern
Switching aperture more than it is described set pattern as frozen mode when corresponding switching aperture.
4. control method as claimed in claim 1, it is characterised in that：The refrigeration compartment also includes refrigerating chamber, the air channel
Including by the cold that the evaporator is produced be delivered to refrigerating chamber freezing air channel and by the evaporator produce cold it is defeated
Deliver to the sub-air channel of the first refrigeration compartment, the refrigerator also include in the sub-air channel for be opened and closed the air door of sub-air channel with
And for being opened and closed the blower fan mask in freezing air channel, the control method also comprises the following steps：When the first refrigeration compartment needs
During refrigeration, the compressor start, blower fan start, air door is opened, blower fan mask is closed；When the refrigerating chamber needs refrigeration
When, the compressor start, blower fan start, blower fan mask is opened, air door is closed.
5. control method as claimed in claim 4, it is characterised in that：When the refrigerating chamber needs refrigeration, the compressor is opened
When dynamic, blower fan starts, blower fan mask is opened, air door is closed, the control method also comprises the following steps：The controller control
The aperture of the electric expansion valve is made for freezing starts aperture, and judges whether the temperature of refrigerating chamber is reached than freezing shutoff temperature
The temperature of preset temperature numerical value high, if so, then the controller controls the aperture of the electric expansion valve to switch to freezing to switch
Aperture；If it is not, then the controller control electric expansion valve keeps freezing to start aperture operation up to the refrigerating chamber
Temperature reaches the temperature of preset temperature numerical value higher than the freezing shutoff temperature；The freezing starts aperture more than the freezing switching
Aperture.
6. control method as claimed in claim 5, it is characterised in that：Controller noted above controls the aperture of the electric expansion valve
After switching to freezing switching aperture, the control method also comprises the following steps：Judge whether the temperature of refrigerating chamber reaches freezing
Shutoff temperature, if so, the then compressor shutdown, fan parking, the electric expansion valve is closed, blower fan mask is closed；If
No, then compressor continuous service, blower fan continuous service, controller control the aperture of the electric expansion valve to keep freezing switching to open
Degree operation is until the temperature of the refrigerating chamber reaches freezing shutoff temperature.
7. control method as claimed in claim 5, it is characterised in that：The volume of the refrigerating chamber is less than between the described first refrigeration
The volume of room；The freezing starts when setting pattern as refrigeration pattern corresponding startup of the aperture more than first refrigeration compartment
Aperture, while less than first refrigeration compartment corresponding startup aperture when setting pattern as frozen mode；The freezing is cut
When setting pattern as frozen mode corresponding switching aperture of the aperture more than first refrigeration compartment is changed, while being less than described the
Corresponding switching aperture when setting pattern as refrigeration pattern of one refrigeration compartment.
8. control method as claimed in claim 1, it is characterised in that：After refrigerator starts, the control method also includes as follows
Step：Judge whether the first refrigeration compartment needs refrigeration, if so, then judging the setting pattern of the first refrigeration compartment again；If it is not, then
Judge whether the refrigerating chamber needs refrigeration, if so, then the compressor start, blower fan start, blower fan mask is opened, air door
Close, while the controller controls the aperture of the electric expansion valve for freezing starts aperture, if it is not, then the compressor is protected
Hold stopped status, blower fan and remain shut off state, electric expansion valve and remain off, and judge first refrigeration compartment again
Whether refrigeration is needed.
9. control method as claimed in claim 1, it is characterised in that：The compressor is frequency-changeable compressor.
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| CN111121360A (en) * | 2019-12-30 | 2020-05-08 | 海信容声(广东)冷柜有限公司 | Refrigerator and control method |
| CN112665249A (en) * | 2020-12-28 | 2021-04-16 | 江苏拓米洛环境试验设备有限公司 | Multi-chamber control method and device for refrigeration system and refrigeration system |
| CN112731987A (en) * | 2020-12-28 | 2021-04-30 | 江苏拓米洛环境试验设备有限公司 | Temperature control method and device thereof |
| CN113154725A (en) * | 2021-05-27 | 2021-07-23 | 江苏拓米洛环境试验设备有限公司 | Control method of multi-chamber electronic expansion valve of refrigeration system and refrigeration system |
| CN114440543A (en) * | 2022-01-21 | 2022-05-06 | 长虹美菱股份有限公司 | Method for realizing one-key switching of vertical refrigerator |
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| CN106766535B (en) | 2019-05-31 |
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