CN106918194A - Controlling method for refrigerator, refrigerator control system and refrigerator - Google Patents
Controlling method for refrigerator, refrigerator control system and refrigerator Download PDFInfo
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- CN106918194A CN106918194A CN201710124865.2A CN201710124865A CN106918194A CN 106918194 A CN106918194 A CN 106918194A CN 201710124865 A CN201710124865 A CN 201710124865A CN 106918194 A CN106918194 A CN 106918194A
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- refrigerating chamber
- refrigeration
- blower fan
- refrigerator
- temperature
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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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a kind of controlling method for refrigerator, refrigerator control system and refrigerator, wherein, controlling method for refrigerator includes：Judge refrigerating chamber whether there is refrigeration request；Whether the request if refrigerating chamber does not freeze, detection blower fan starts；Refrigeration air door is opened when blower fan is not actuated, the gas in refrigerating chamber enters the bottom of refrigerating chamber by refrigeration return air channel, the gas on refrigerating chamber top enters refrigerating chamber by refrigeration air intake passage.The controlling method for refrigerator that the present invention is provided, free convection is formed because of the larger temperature difference by refrigerating chamber and refrigerating chamber by opening refrigeration air door, cold air enters refrigerating chamber along refrigeration return air channel from refrigerating chamber, cold air is deposited downwards and the space to refrigerating chamber bottom compensates cooling, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature, improve the temperature difference and fresh-keeping effect of whole refrigerating chamber.
Description
Technical field
The present invention relates to refrigeration technology field, in particular to a kind of controlling method for refrigerator, refrigerator control system and ice
Case.
Background technology
Nowadays the refrigerator of Large Copacity generally uses the structure of single system clamshell doors, more than normal temperature (such as 25 DEG C) or normal temperature
When refrigerator thermic load it is larger, because single system clamshell doors refrigerating chamber air channel is usually to be arranged in refrigerating chamber top, air outlet
On top, cold air is to convey from top to bottom, and the refrigerating chamber height of clamshell doors is big compared with drop high, thus refrigerating chamber Temperature Distribution
Often uneven, top is colder, and bottom is hotter.Refrigerator in refrigerative circle system, in refrigerating chamber Temperature Distribution from top to bottom by
Gradually from being as cold as heat；In addition, the bottom of refrigerating chamber is limited due to structure, often position is less than refrigeration return air channel, therefore is circulated throughout
Cheng Zhong, the bottom return air of refrigerating chamber also is difficult to by therefore temperature can be higher.Refrigerating chamber lower space can turn into whole cold
Hide room temperature highest position, the non-uniform temperature in refrigerating chamber and its each cabin is unfavorable for accurate temperature controller, and the temperature of bottom
Degree is higher and causes that the fresh-keeping effect of bottom is deteriorated.
The content of the invention
At least one in order to solve the above-mentioned technical problem, the embodiment of the first aspect of the present invention proposes a kind of refrigerator control
Method processed.
A kind of the second aspect of the present invention embodiment, it is also proposed that refrigerator control system.
A kind of the third aspect of the present invention embodiment, it is also proposed that refrigerator.
In view of this, embodiment according to the first aspect of the invention, the present invention proposes a kind of controlling method for refrigerator, uses
In refrigerator, refrigerator includes compressor, evaporator, blower fan, refrigerating chamber and refrigerating chamber, wherein, blower fan is arranged in refrigerating chamber, refrigeration
The top of room is provided with refrigeration air intake passage, and refrigeration air intake passage connection refrigerating chamber and refrigerating chamber are set on refrigeration air intake passage
The bottom for having refrigeration air door, refrigerating chamber is provided with refrigeration return air channel, refrigeration return air channel connection refrigerating chamber and refrigerating chamber, refrigerator
Control method includes：Judge refrigerating chamber whether there is refrigeration request；Whether the request if refrigerating chamber does not freeze, detection blower fan starts；
Refrigeration air door is opened when blower fan is not actuated, the gas in refrigerating chamber enters the bottom of refrigerating chamber by refrigeration return air channel, cold
The gas for hiding room top enters refrigerating chamber by refrigeration air intake passage.
The controlling method for refrigerator that the present invention is provided, first determines whether refrigerating chamber whether there is refrigeration request, if refrigerating chamber does not freeze
Request, illustrates that now refrigerating chamber need not freeze (not starting to freeze or between kind of refrigeration cycle twice), afterwards further
Whether detection blower fan starts, and refrigeration air door is opened when blower fan is not actuated, is now placed in refrigerating the refrigerating chamber of return air channel both sides
Free convection is formed because of the larger temperature difference with refrigerating chamber, cold air can enter from refrigerating chamber along refrigeration return air channel and refrigerate
Room, while the cold air on refrigerating chamber top can be also back in refrigerating chamber so as to form gas circulating from refrigeration air intake passage, and
The temperature of the cold air in refrigerating chamber is far below the gas temperature in refrigerating chamber, and the temperature of air is lower under normal circumstances, density
It is bigger, therefore can downwards be deposited into the air in refrigerating chamber by refrigerating chamber and the space of refrigerating chamber bottom be compensated cold
But, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature, improve the temperature difference of whole refrigerating chamber with
And the fresh-keeping effect of refrigerating chamber (especially refrigerating chamber bottom).
In addition, the controlling method for refrigerator in above-described embodiment of present invention offer can also have following supplementary technology special
Levy：
In the above-mentioned technical solutions, it is preferable that also include：After the refrigeration Preset Time of door opening first, refrigeration wind is closed
Door.
In the technical scheme, the cold wind entered in refrigerating chamber after the Preset Time of door opening first is refrigerated is to cold
The bottom for hiding room, especially refrigerating chamber is sufficiently cool, reduces the temperature difference in refrigerating chamber, and refrigeration air door can be closed afterwards, stops
Gas is flowed into refrigerating chamber, waits refrigerating chamber kind of refrigeration cycle next time.
In any of the above-described technical scheme, it is preferable that also include：If detecting blower fan is in starting state, wind is closed
Machine；After blower fan is closed, refrigeration air door is opened.
In the technical scheme, if blower fan is in starting state, can first stop blower fan and open refrigeration air door again, form gas
Body circulation, makes cold air enter refrigerating chamber and to deposition under the bottom of refrigerating chamber from refrigerating chamber along refrigeration return air channel, with to cold
The space for hiding room bottom compensates cooling, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature
Degree, improves the temperature difference of whole refrigerating chamber and the fresh-keeping effect of refrigerating chamber (especially refrigerating chamber bottom).In addition, usually, wind
Machine is in starting state and illustrates that now refrigerating chamber is in cooling stages, and compressor and evaporator are also at working condition, therefore cold
The temperature for freezing interior is lower, and the temperature difference between refrigerating chamber and refrigerating chamber is bigger, is more beneficial for forming gas circulating, while flowing into cold
Hide indoor temperature also lower, the cooling effect for refrigerating chamber can be strengthened.
In any of the above-described technical scheme, it is preferable that also include：After the refrigeration Preset Time of door opening second, close cold
Hide air door.
In the technical scheme, the cold wind entered in refrigerating chamber after the Preset Time of door opening second is refrigerated is to cold
The bottom for hiding room, especially refrigerating chamber is sufficiently cool, reduces the temperature difference in refrigerating chamber, and refrigeration air door can be closed afterwards, stops
Gas is flowed into refrigerating chamber, waits refrigerating chamber kind of refrigeration cycle next time.In addition, usually, blower fan is illustrated in starting state
Now refrigerating chamber is in cooling stages, and the temperature that compressor and evaporator are also in working condition, therefore refrigerating chamber is lower, cold
The temperature difference frozen between room and refrigerating chamber is bigger, is more beneficial for forming gas circulating, while the temperature flowed into refrigerating chamber is also lower,
The cooling effect for refrigerating chamber can be strengthened.Therefore, compared with the situation of refrigeration air door is opened when refrigerating chamber does not freeze, now
Cooling effect for refrigerating chamber bottom is more preferable.Usually, the second Preset Time is slightly less than the first Preset Time.
In any of the above-described technical scheme, it is preferable that also include：The temperature of the first predetermined position is detected, first presets
Position is in the bottom of refrigerating chamber and positioned at the lower section of refrigeration return air channel；When the temperature of the first predetermined position is preset less than first
During temperature, refrigeration air door is closed；If blower fan is in starting state before opening refrigeration air door, wind is started after refrigeration air door is closed
Machine.
In the technical scheme, can also by detection positioned at refrigerating chamber bottom the first predeterminated position temperature, and with
Thus the temperature is more accurately controlled the duration of refrigeration door opening as the keying of control parameter control refrigeration air door, while
Ensureing the bottom of refrigerating chamber can be adequately cooled, reduce temperature, and the temperature difference and refrigerating chamber for improving whole refrigerating chamber
The fresh-keeping effect of (especially refrigerating chamber bottom).If in addition, blower fan is in starting state before opening refrigeration air door, illustrating refrigerating chamber
Cooling condition is in, therefore blower fan can be again started up after the bottom cooling treatment to refrigerating chamber, refrigerating chamber continues to freeze.
In any of the above-described technical scheme, it is preferable that also include：If refrigerating chamber has refrigeration to ask, blower fan and cold is opened
Hide air door.
In the technical scheme, blower fan and refrigeration air door are opened when refrigerating chamber has refrigeration to ask, preferentially refrigerating chamber is entered
The normal kind of refrigeration cycle of row, the reselection suitable time opens refrigeration wind and forms cold air ring after refrigerating chamber terminates kind of refrigeration cycle
Flow to the cooling of the bottom of refrigerating chamber, reduce temperature, to improve the temperature difference and refrigerating chamber of whole refrigerating chamber (especially under refrigerating chamber
Portion) fresh-keeping effect.
Embodiment according to the second aspect of the invention, the present invention proposes a kind of refrigerator control system, for refrigerator, ice
Case includes compressor, evaporator, blower fan, refrigerating chamber and refrigerating chamber, wherein, blower fan is arranged in refrigerating chamber, the top of refrigerating chamber
Refrigeration air intake passage is provided with, refrigeration air intake passage connection refrigerating chamber and refrigerating chamber are provided with refrigeration wind on refrigeration air intake passage
Door, the bottom of refrigerating chamber is provided with refrigeration return air channel, refrigeration return air channel connection refrigerating chamber and refrigerating chamber, refrigerator control system
Including：Judging unit, for judging refrigerating chamber whether there is refrigeration request；Detection unit, if not freezing request for refrigerating chamber,
Whether detection blower fan starts；Control unit, for opening refrigeration air door when blower fan is not actuated, the gas in refrigerating chamber is through supercooling
The bottom that return air channel enters refrigerating chamber is hidden, the gas on refrigerating chamber top enters refrigerating chamber by refrigeration air intake passage.
The refrigerator control system that the present invention is provided, first determines whether unit judges refrigerating chamber whether there is refrigeration request, if refrigerating chamber
Asked without refrigeration, illustrate that now refrigerating chamber need not freeze (not starting to freeze or between kind of refrigeration cycle twice), afterwards
Further whether detection blower fan starts detection unit, and when blower fan is not actuated, control unit opens refrigeration air door, is now placed in
The refrigerating chamber of refrigeration return air channel both sides and refrigerating chamber form free convection because of the larger temperature difference, and cold air can be along refrigerating back
Wind passage enters refrigerating chamber from refrigerating chamber, while the cold air on refrigerating chamber top can be also back in refrigerating chamber from refrigeration air intake passage
So as to form the temperature of the cold air in gas circulating, and refrigerating chamber far below the gas temperature in refrigerating chamber, and normal conditions
The temperature of lower air is lower, and density is bigger, therefore can be deposited downwards and to refrigerating chamber by the air that refrigerating chamber enters in refrigerating chamber
The space of bottom compensates cooling, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature, changes
It is apt to the temperature difference of whole refrigerating chamber and the fresh-keeping effect of refrigerating chamber (especially refrigerating chamber bottom).
In addition, the refrigerator control system in above-described embodiment of present invention offer can also have following supplementary technology special
Levy：
In the above-mentioned technical solutions, it is preferable that also include：Timing unit, the time for recording refrigeration door opening；Control
Unit processed is additionally operable to after the Preset Time of door opening first is refrigerated, and closes refrigeration air door.
In the technical scheme, the cold wind entered in refrigerating chamber after the Preset Time of door opening first is refrigerated is to cold
The bottom for hiding room, especially refrigerating chamber is sufficiently cool, reduces the temperature difference in refrigerating chamber, and refrigeration air door can be closed afterwards, stops
Gas is flowed into refrigerating chamber, waits refrigerating chamber kind of refrigeration cycle next time.
In any of the above-described technical scheme, it is preferable that if control unit is additionally operable to detect blower fan in starting state,
Close blower fan；After control unit is additionally operable to blower fan closing, refrigeration air door is opened.
In the technical scheme, if blower fan is in starting state, can first stop blower fan and open refrigeration air door again, form gas
Body circulation, makes cold air enter refrigerating chamber and to deposition under the bottom of refrigerating chamber from refrigerating chamber along refrigeration return air channel, with to cold
The space for hiding room bottom compensates cooling, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature
Degree, improves the temperature difference of whole refrigerating chamber and the fresh-keeping effect of refrigerating chamber (especially refrigerating chamber bottom).In addition, usually, wind
Machine is in starting state and illustrates that now refrigerating chamber is in cooling stages, and compressor and evaporator are also at working condition, therefore cold
The temperature for freezing interior is lower, and the temperature difference between refrigerating chamber and refrigerating chamber is bigger, is more beneficial for forming gas circulating, while flowing into cold
Hide indoor temperature also lower, the cooling effect for refrigerating chamber can be strengthened.
In any of the above-described technical scheme, it is preferable that also include：Timing unit, for record refrigeration door opening when
Between；Control unit is additionally operable to after the Preset Time of door opening second is refrigerated, and closes refrigeration air door.
In the technical scheme, the cold wind entered in refrigerating chamber after the Preset Time of door opening second is refrigerated is to cold
The bottom for hiding room, especially refrigerating chamber is sufficiently cool, reduces the temperature difference in refrigerating chamber, and refrigeration air door can be closed afterwards, stops
Gas is flowed into refrigerating chamber, waits refrigerating chamber kind of refrigeration cycle next time.In addition, usually, blower fan is illustrated in starting state
Now refrigerating chamber is in cooling stages, and the temperature that compressor and evaporator are also in working condition, therefore refrigerating chamber is lower, cold
The temperature difference frozen between room and refrigerating chamber is bigger, is more beneficial for forming gas circulating, while the temperature flowed into refrigerating chamber is also lower,
The cooling effect for refrigerating chamber can be strengthened.Therefore, compared with the situation of refrigeration air door is opened when refrigerating chamber does not freeze, now
Cooling effect for refrigerating chamber bottom is more preferable.Usually, the second Preset Time is slightly less than the first Preset Time.
In any of the above-described technical scheme, it is preferable that detection unit is additionally operable to detect the temperature of the first predetermined position, the
One predeterminated position is in the bottom of refrigerating chamber and positioned at the lower section of refrigeration return air channel；Control unit is additionally operable to when the first predeterminated position
When the temperature at place is less than the first preset temperature, refrigeration air door is closed；If control unit is additionally operable to open before refrigeration air door at blower fan
In starting state, then start blower fan after refrigeration air door is closed.
In the technical scheme, can also by detection positioned at refrigerating chamber bottom the first predeterminated position temperature, and with
Thus the temperature is more accurately controlled the duration of refrigeration door opening as the keying of control parameter control refrigeration air door, while
Ensureing the bottom of refrigerating chamber can be adequately cooled, reduce temperature, and the temperature difference and refrigerating chamber for improving whole refrigerating chamber
The fresh-keeping effect of (especially refrigerating chamber bottom).If in addition, blower fan is in starting state before opening refrigeration air door, illustrating refrigerating chamber
Cooling condition is in, therefore blower fan can be again started up after the bottom cooling treatment to refrigerating chamber, refrigerating chamber continues to freeze.
In any of the above-described technical scheme, it is preferable that if control unit is additionally operable to refrigerating chamber and has refrigeration to ask, open wind
Machine and refrigeration air door.
In the technical scheme, blower fan and refrigeration air door are opened when refrigerating chamber has refrigeration to ask, preferentially refrigerating chamber is entered
The normal kind of refrigeration cycle of row, the reselection suitable time opens refrigeration wind and forms cold air ring after refrigerating chamber terminates kind of refrigeration cycle
Flow to the cooling of the bottom of refrigerating chamber, reduce temperature, to improve the temperature difference and refrigerating chamber of whole refrigerating chamber (especially under refrigerating chamber
Portion) fresh-keeping effect.
Embodiment according to the third aspect of the invention we, the invention allows for a kind of refrigerator, including：Of the invention second
The refrigerator control system of aspect embodiment.
The present invention provide refrigerator, by control blower fan and refrigeration air door keying, by refrigerator refrigerating chamber with it is cold
Hide the temperature difference between room so that form free convection between refrigerating chamber and refrigerating chamber, cold air is along refrigeration return air channel from cold
Freeze room and enter refrigerating chamber, while the cold air on refrigerating chamber top can be also back in refrigerating chamber so as to form gas from refrigeration air intake passage
Body circulation, and cold air in refrigerating chamber temperature far below the gas temperature in refrigerating chamber, and the temperature of air under normal circumstances
Degree is lower, and density is bigger, therefore can be deposited downwards and to the space of refrigerating chamber bottom by the air that refrigerating chamber enters in refrigerating chamber
Cooling is compensated, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature, improves whole refrigeration
The fresh-keeping effect of the temperature difference and refrigerating chamber (especially refrigerating chamber bottom) of room.
Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention
Recognize.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of refrigerator in an embodiment of the present invention；
Structural representation when Fig. 2 is refrigerator cold-storage door opening shown in Fig. 1；
Fig. 3 is the schematic flow sheet of controlling method for refrigerator in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of controlling method for refrigerator in an embodiment of the present invention；
Fig. 5 is the schematic flow sheet of controlling method for refrigerator in an embodiment of the present invention；
Fig. 6 is the schematic flow sheet of controlling method for refrigerator in an embodiment of the present invention；
Fig. 7 is the schematic block diagram of refrigerator control system in an embodiment of the present invention.
Wherein, the corresponding relation in Fig. 1 and Fig. 2 between reference and component names is：
1 refrigerator, 102 evaporators, 104 blower fans, 106 refrigerating chambers, 108 refrigerating chambers, 1080 first chambers, 1,082 second chambers
Room, 1084 the 3rd chambers, 1086 the 4th chambers, 1088 the 5th chambers, 110 freezing air channels, 112 refrigeration air channels, 114 refrigeration air intakes
Passage, 116 refrigeration air doors, 118 refrigeration return air channels.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Controlling method for refrigerator described according to some embodiments of the invention, refrigerator control system are described referring to Fig. 1 to Fig. 7
System and refrigerator.
The invention provides a kind of controlling method for refrigerator, can be used for refrigerator as depicted in figs. 1 and 2, refrigerator includes compression
Machine (not shown), evaporator, blower fan, refrigerating chamber and refrigerating chamber, wherein, blower fan is arranged in refrigerating chamber, and the top of refrigerating chamber sets
Refrigeration air intake passage is equipped with, refrigeration air intake passage connection refrigerating chamber and refrigerating chamber are provided with refrigeration air door on refrigeration air intake passage,
The bottom of refrigerating chamber is provided with refrigeration return air channel, refrigeration return air channel connection refrigerating chamber and refrigerating chamber, controlling method for refrigerator, such as
Shown in Fig. 3, including：
Step S302, judges refrigerating chamber whether there is refrigeration request；
Step S304, when refrigerating chamber is without refrigeration request, then judges whether blower fan starts；
Step S306, when judging that blower fan does not start, then opens refrigeration air door；
Step S308, when refrigerating chamber has refrigeration to ask, then opens blower fan and refrigeration air door.
The controlling method for refrigerator for providing of the invention, first determines whether refrigerating chamber whether there is refrigeration request, if refrigerating chamber has refrigeration to ask
Ask, then can directly open blower fan and refrigeration air door is normally freezed；The request if refrigerating chamber does not freeze, illustrates now refrigerating chamber
Need not freeze (do not start to freeze or between kind of refrigeration cycle twice), further whether detection blower fan starts afterwards, when
Refrigeration air door is opened when blower fan is not actuated, is now placed in refrigerating the refrigerating chamber of return air channel both sides with refrigerating chamber because of larger temperature
Difference and form free convection (direction of arrow in Fig. 2 represents cold air flow direction), cold air can be along refrigeration return air channel from cold
Freeze room and enter refrigerating chamber, while the cold air on refrigerating chamber top can be also back in refrigerating chamber so as to form gas from refrigeration air intake passage
Body circulation, and cold air in refrigerating chamber temperature far below the gas temperature in refrigerating chamber, and the temperature of air under normal circumstances
Degree is lower, and density is bigger, therefore can be deposited downwards and to the space of refrigerating chamber bottom by the air that refrigerating chamber enters in refrigerating chamber
Cooling is compensated, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature, improves whole refrigeration
The fresh-keeping effect of the temperature difference and refrigerating chamber (especially refrigerating chamber bottom) of room.
In one embodiment of the invention, it is preferable that as shown in figure 4, including：Step S402, judges refrigerating chamber whether there is
Refrigeration request；
Step S408, when refrigerating chamber has refrigeration to ask, then opens blower fan and refrigeration air door；
Step S404, when refrigerating chamber does not freeze request, then judges whether blower fan starts；
Step S406, when judging that blower fan does not start, then opens refrigeration air door；
Step S410, closes refrigeration air door after the first Preset Time；
Step S412, when judging that blower fan starts, then closes blower fan；
Step S414, opens refrigeration air door；
Step S416, closes refrigeration air door after the second Preset Time；
Step S418, starts blower fan.
In this embodiment, if blower fan is not in starting state, enter cold after the Preset Time of door opening first is refrigerated
Hide bottom of the indoor cold wind to refrigerating chamber, especially refrigerating chamber sufficiently cool, reduce the temperature difference in refrigerating chamber, Zhi Houke
To close refrigeration air door, stop gas and flow into refrigerating chamber, wait refrigerating chamber kind of refrigeration cycle next time.
If blower fan is in starting state, can first stop blower fan and open refrigeration air door again, form gas circulating, make cold air edge
Refrigeration return air channel and enter refrigerating chamber and to deposition under the bottom of refrigerating chamber from refrigerating chamber, entered with the space to refrigerating chamber bottom
Row compensation cooling, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature, improves whole refrigerating chamber
The temperature difference and refrigerating chamber (especially refrigerating chamber bottom) fresh-keeping effect.In addition, usually, blower fan is illustrated in starting state
Now refrigerating chamber is in cooling stages, and the temperature that compressor and evaporator are also in working condition, therefore refrigerating chamber is lower, cold
The temperature difference frozen between room and refrigerating chamber is bigger, is more beneficial for forming gas circulating, while the temperature flowed into refrigerating chamber is also lower,
The cooling effect for refrigerating chamber can be strengthened.The duration of usual second Preset Time is less than the duration of the first Preset Time, and
And after the cooling for refrigerating chamber bottom is completed, refrigeration air door is closed, being then turned on blower fan makes refrigerating chamber continue to freeze.
In one embodiment of the invention, it is preferable that as shown in figure 5, including：Step S502, judges refrigerating chamber whether there is
Refrigeration request；
Step S508, when judging that refrigerating chamber has refrigeration to ask, then opens blower fan and refrigeration air door；
Step S504, when judge refrigerating chamber do not freeze request when, then judge whether blower fan starts；
Step S506, when judging that blower fan does not start, opens refrigeration air door；
Step S510, the temperature of the first predetermined position closes refrigeration air door when being less than the first preset temperature；
Step S512, when judging that blower fan starts, then closes blower fan；
Step S514, opens refrigeration air door；
Step S516, the temperature of the first predetermined position closes refrigeration air door when being less than the first preset temperature；
Step S518, starts blower fan.
In this embodiment, the temperature of the first predeterminated position of refrigerating chamber bottom can also be located at by detection compared with Fig. 4
Degree, and using the temperature as control parameter control refrigeration air door keying, thus more be accurately controlled refrigeration door opening when
It is long, while ensure the bottom of refrigerating chamber and can be adequately cooled, reduce temperature, and improve the temperature difference of whole refrigerating chamber with
The fresh-keeping effect of refrigerating chamber (especially refrigerating chamber bottom).If in addition, blower fan is in starting state, explanation before opening refrigeration air door
Refrigerating chamber is in cooling condition, therefore can be again started up blower fan after the bottom cooling treatment to refrigerating chamber, and refrigerating chamber continues
Refrigeration.
In one embodiment of the invention, it is preferable that as shown in fig. 6, including：Step S602, judges refrigerating chamber whether there is
Refrigeration request；
Step S608, when judging that refrigerating chamber has refrigeration to ask, then opens blower fan and refrigeration air door；
Step S620, the Preset Time of refrigeration chamber the 3rd；
Step S604, when judge refrigerating chamber do not freeze request when, then judge whether blower fan starts；
Step S606, when judging that blower fan does not start, opens refrigeration air door；
Step S610, after the first Preset Time or the first predetermined position temperature be less than the first preset temperature when close it is cold
Hide air door；
Step S612, when judging that blower fan starts, closes blower fan；
Step S614, opens refrigeration air door；
Step S616, after the second Preset Time or the first predetermined position temperature be less than the first preset temperature when close it is cold
Hide air door；
Step S618, starts blower fan；
Wherein, step S610, step S618, step S620 terminate rear return to step S602.
In this embodiment, the keying of control refrigeration air door combines time control and temperature controlled mode, works as satisfaction
Refrigeration air door is closed in time or temperature during either condition, and completes once cooling or cold for refrigerating chamber bottom
Hide after room completes an a period of time for kind of refrigeration cycle and return to step S602, into system next time for refrigerating chamber bottom
SAPMAC method.By setting the kind of refrigeration cycle for refrigerating chamber bottom so that can repeatedly to refrigeration when refrigerator normally runs
The bottom of room carries out refrigeration compensation, so that the bottom of temperature refrigerating chamber higher can be adequately cooled, reduce temperature,
Improve the fresh-keeping effect of the temperature difference and refrigerating chamber (especially refrigerating chamber bottom) of whole refrigerating chamber.
Present invention also offers a kind of refrigerator control system 7, as shown in fig. 7, can be used for refrigerator as depicted in figs. 1 and 2, ice
Case includes compressor (not shown), evaporator, blower fan, refrigerating chamber and refrigerating chamber, wherein, blower fan is arranged in refrigerating chamber, refrigeration
The top of room is provided with refrigeration air intake passage, and refrigeration air intake passage connection refrigerating chamber and refrigerating chamber are set on refrigeration air intake passage
The bottom for having refrigeration air door, refrigerating chamber is provided with refrigeration return air channel, refrigeration return air channel connection refrigerating chamber and refrigerating chamber, refrigerator
Control system 7 includes：Judging unit 702, for judging refrigerating chamber whether there is refrigeration request；Detection unit 704, if for refrigerating chamber
Asked without refrigeration, then whether detection blower fan starts；Control unit 706, it is cold for opening refrigeration air door when blower fan is not actuated
Freeze the bottom that indoor gas enters refrigerating chamber by refrigeration return air channel, the gas on refrigerating chamber top is by refrigeration air intake passage
Into refrigerating chamber.
The refrigerator control system 7 that the present invention is provided, first determines whether that unit 702 judges refrigerating chamber whether there is refrigeration request, if cold
Hide room not freezing request, illustrate that now refrigerating chamber need not freeze (not starting to freeze or between kind of refrigeration cycle twice),
Further whether detection blower fan starts detection unit 704 afterwards, and when blower fan is not actuated, control unit 706 opens refrigeration wind
Door, be now placed in refrigerating the refrigerating chamber of return air channel both sides and refrigerating chamber forms free convection, cold air because of the larger temperature difference
Refrigerating chamber can be entered from refrigerating chamber along refrigeration return air channel, while the cold air on refrigerating chamber top can also be returned from refrigeration air intake passage
Temperature so as to form the cold air in gas circulating, and refrigerating chamber is flow in refrigerating chamber far below the gas temperature in refrigerating chamber
Degree, and the temperature of air is lower under normal circumstances, density is bigger, therefore the air entered in refrigerating chamber from refrigerating chamber can be to sinking
Accumulate and the space to refrigerating chamber bottom compensates cooling, so that the bottom of temperature refrigerating chamber higher obtains sufficiently cold
But temperature, is reduced, improves the temperature difference of whole refrigerating chamber and the fresh-keeping effect of refrigerating chamber (especially refrigerating chamber bottom).
In one embodiment of the invention, it is preferable that as shown in fig. 7, also including：Timing unit 708, it is cold for recording
Hide the time of door opening；Control unit 706 is additionally operable to after the Preset Time of door opening first is refrigerated, and closes refrigeration air door.
In this embodiment, the cold wind for entering in refrigerating chamber after the Preset Time of door opening first is refrigerated is to refrigeration
The bottom of room, especially refrigerating chamber is sufficiently cool, reduces the temperature difference in refrigerating chamber, and refrigeration air door can be closed afterwards, stops gas
Body is flowed into refrigerating chamber, waits refrigerating chamber kind of refrigeration cycle next time.
In one embodiment of the invention, it is preferable that if control unit 706 is additionally operable to detect blower fan and be in start shape
State, then close blower fan；After control unit 706 is additionally operable to blower fan closing, refrigeration air door is opened.
In this embodiment, if blower fan is in starting state, can first stop blower fan and open refrigeration air door again, form gas
Circulation, makes cold air enter refrigerating chamber and to deposition under the bottom of refrigerating chamber from refrigerating chamber along refrigeration return air channel, with to refrigeration
The space of room bottom compensates cooling, so that the bottom of temperature refrigerating chamber higher is adequately cooled, reduces temperature,
Improve the fresh-keeping effect of the temperature difference and refrigerating chamber (especially refrigerating chamber bottom) of whole refrigerating chamber.In addition, usually, at blower fan
In starting state explanation, now refrigerating chamber is in cooling stages, and compressor and evaporator are also at working condition, therefore refrigerating chamber
Interior temperature is lower, and the temperature difference between refrigerating chamber and refrigerating chamber is bigger, is more beneficial for forming gas circulating, while flowing into refrigerating chamber
Interior temperature is also lower, can strengthen the cooling effect for refrigerating chamber.
In one embodiment of the invention, it is preferable that as shown in fig. 7, also including：Timing unit 708, it is cold for recording
Hide the time of door opening；Control unit 706 is additionally operable to after the Preset Time of door opening second is refrigerated, and closes refrigeration air door.
In this embodiment, the cold wind for entering in refrigerating chamber after the Preset Time of door opening second is refrigerated is to refrigeration
The bottom of room, especially refrigerating chamber is sufficiently cool, reduces the temperature difference in refrigerating chamber, and refrigeration air door can be closed afterwards, stops gas
Body is flowed into refrigerating chamber, waits refrigerating chamber kind of refrigeration cycle next time.In addition, usually, blower fan illustrates this in starting state
When refrigerating chamber be in cooling stages, the temperature that compressor and evaporator are also in working condition, therefore refrigerating chamber is lower, freezing
The temperature difference between room and refrigerating chamber is bigger, is more beneficial for forming gas circulating, while the temperature flowed into refrigerating chamber is also lower, energy
Cooling effect of enough enhancings for refrigerating chamber.Therefore, it is now right compared with the situation of refrigeration air door is opened when refrigerating chamber does not freeze
Cooling effect in refrigerating chamber bottom is more preferable.Usually, the second Preset Time is slightly less than the first Preset Time.
In one embodiment of the invention, it is preferable that detection unit 704 is additionally operable to detect the temperature of the first predetermined position
Degree, the first predeterminated position is in the bottom of refrigerating chamber and positioned at the lower section of refrigeration return air channel；Control unit 706 is additionally operable to when first
When the temperature of predetermined position is less than the first preset temperature, refrigeration air door is closed；If control unit 706 is additionally operable to open refrigeration wind
Blower fan is in starting state in front of the door, then start blower fan after refrigeration air door is closed.
In this embodiment, the temperature of the first predeterminated position of refrigerating chamber bottom can also be located at by detection, and with this
Thus temperature is more accurately controlled the duration of refrigeration door opening as the keying of control parameter control refrigeration air door, while protecting
Demonstrate,proving the bottom of refrigerating chamber can be adequately cooled, reduce temperature, and improve the temperature difference and refrigerating chamber of whole refrigerating chamber (especially
It is refrigerating chamber bottom) fresh-keeping effect.If in addition, blower fan is in starting state before opening refrigeration air door, illustrating refrigerating chamber just
In cooling condition, therefore blower fan can be again started up after the bottom cooling treatment to refrigerating chamber, refrigerating chamber continues to freeze.Typically
Ground, can detect the temperature of the first predeterminated position using temperature sensor.
In one embodiment of the invention, it is preferable that if control unit 706 is additionally operable to refrigerating chamber and has refrigeration to ask,
Open blower fan and refrigeration air door.
In this embodiment, blower fan and refrigeration air door are opened when refrigerating chamber has refrigeration to ask, preferentially refrigerating chamber is carried out
Normal kind of refrigeration cycle, the reselection suitable time opens refrigeration wind and forms cold air circulation after refrigerating chamber terminates kind of refrigeration cycle
To the cooling of the bottom of refrigerating chamber, temperature is reduced, to improve the temperature difference and refrigerating chamber of whole refrigerating chamber (especially under refrigerating chamber
Portion) fresh-keeping effect.
Present invention also offers a kind of refrigerator 1, as depicted in figs. 1 and 2, including：The second aspect of the present invention embodiment
Refrigerator control system 7.
The refrigerator 1 that the present invention is provided, air is dropped by evaporator 102, blower fan 104 and freezing air channel 110 to refrigerating chamber 106
Temperature, while can also flow into it is lowered the temperature in refrigerating chamber 108 by blower fan 104, refrigeration air intake passage 114, refrigeration air channel 112,
But first chamber 1080, second chamber 1082, the 3rd chamber, the 4th chamber 1086 and the 5th chamber 1088 in refrigerating chamber 108
Temperature gradually rise, refrigeration and fresh-keeping effect are deteriorated, while the bottom of refrigerating chamber 108 is limited due to structure, often position
Less than refrigeration return air channel 118, therefore in cyclic process, return air also is difficult to by therefore temperature can more increase, and the present invention is logical
The keying of control blower fan 104 and refrigeration air door 116 is crossed, by the temperature between the refrigerating chamber 106 and refrigerating chamber 108 of refrigerator 1
Difference so that free convection is formed between refrigerating chamber 106 and refrigerating chamber 108, cold air is along refrigeration return air channel 118 from refrigerating chamber
106 enter refrigerating chamber 108, while the cold air on the top of refrigerating chamber 108 also can be back to refrigerating chamber 106 from refrigeration air intake passage 114
The interior temperature so as to form the cold air in gas circulating, and refrigerating chamber 106 is far below the gas temperature in refrigerating chamber 108, and
The temperature of air is lower under normal circumstances, and density is bigger, therefore can be downward by the air that refrigerating chamber 106 enters in refrigerating chamber 108
Deposit and the space to the bottom of refrigerating chamber 108 compensates cooling, so that the bottom of temperature refrigerating chamber 108 higher is filled
Point cooling, reduce temperature, improve the temperature difference and refrigerating chamber 108 (the especially bottom of refrigerating chamber 108) of whole refrigerating chamber 108
Fresh-keeping effect.
In the present invention, term " multiple " then refers to two or more, unless otherwise clearly restriction.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, it is also possible to
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is right
For one of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features, structure, material or the feature that are described with reference to the embodiment or example are contained in of the invention at least one real
In applying example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in one or more any embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (13)
1. a kind of controlling method for refrigerator, for refrigerator, the refrigerator includes compressor, evaporator, blower fan, refrigerating chamber and refrigeration
Room, wherein, the blower fan is arranged in the refrigerating chamber, and the top of the refrigerating chamber is provided with refrigeration air intake passage, described cold
Air intake passage the connection refrigerating chamber and the refrigerating chamber are hidden, refrigeration air door is provided with the refrigeration air intake passage, it is described cold
The bottom for hiding room is provided with refrigeration return air channel, and the refrigeration return air channel connects the refrigerating chamber and the refrigerating chamber, and it is special
Levy and be, the controlling method for refrigerator includes：
Judge the refrigerating chamber whether there is refrigeration request；
The request if refrigerating chamber does not freeze, detects whether the blower fan starts；
The refrigeration air door is opened when the blower fan is not actuated, the gas in the refrigerating chamber is by the refrigeration return air channel
Into the bottom of the refrigerating chamber, the gas on the refrigerating chamber top enters the refrigerating chamber by the refrigeration air intake passage.
2. controlling method for refrigerator according to claim 1, it is characterised in that also include：
After the refrigeration Preset Time of door opening first, the refrigeration air door is closed.
3. controlling method for refrigerator according to claim 1, it is characterised in that also include：
If detecting the blower fan is in starting state, the blower fan is closed；
After the blower fan is closed, the refrigeration air door is opened.
4. controlling method for refrigerator according to claim 3, it is characterised in that also include：
After the refrigeration Preset Time of door opening second, the refrigeration air door is closed.
5. controlling method for refrigerator according to any one of claim 1 to 4, it is characterised in that also include：
The temperature of the first predetermined position is detected, first predeterminated position is in the bottom of the refrigerating chamber and positioned at the refrigeration
The lower section of return air channel；
When the temperature of first predetermined position is less than the first preset temperature, the refrigeration air door is closed；
If the blower fan is in starting state before opening the refrigeration air door, the wind is started after the refrigeration air door is closed
Machine.
6. controlling method for refrigerator according to claim 5, it is characterised in that also include：
If refrigerating chamber has refrigeration to ask, the blower fan and the refrigeration air door are opened.
7. a kind of refrigerator control system, for refrigerator, the refrigerator includes compressor, evaporator, blower fan, refrigerating chamber and refrigeration
Room, wherein, the blower fan is arranged in the refrigerating chamber, and the top of the refrigerating chamber is provided with refrigeration air intake passage, described cold
Air intake passage the connection refrigerating chamber and the refrigerating chamber are hidden, refrigeration air door is provided with the refrigeration air intake passage, it is described cold
The bottom for hiding room is provided with refrigeration return air channel, and the refrigeration return air channel connects the refrigerating chamber and the refrigerating chamber, and it is special
Levy and be, the refrigerator control system includes：
Judging unit, for judging the refrigerating chamber whether there is refrigeration request；
Detection unit, if not freezing request for the refrigerating chamber, detects whether the blower fan starts；
Control unit, for opening the refrigeration air door when the blower fan is not actuated, the gas in the refrigerating chamber is by institute
The bottom that refrigeration return air channel enters the refrigerating chamber is stated, the gas on the refrigerating chamber top enters by the refrigeration air intake passage
Enter the refrigerating chamber.
8. refrigerator control system according to claim 7, it is characterised in that also include：
Timing unit, the time for recording the refrigeration door opening；
Described control unit is additionally operable to after the refrigeration Preset Time of door opening first, closes the refrigeration air door.
9. refrigerator control system according to claim 7, it is characterised in that
If described control unit is additionally operable to detect the blower fan in starting state, the blower fan is closed；
After described control unit is additionally operable to the blower fan closing, the refrigeration air door is opened.
10. refrigerator control system according to claim 9, it is characterised in that also include：
Timing unit, the time for recording the refrigeration door opening；
Described control unit is additionally operable to after the refrigeration Preset Time of door opening second, closes the refrigeration air door.
11. refrigerator control system according to any one of claim 7 to 10, it is characterised in that
The detection unit is additionally operable to detect the temperature of the first predetermined position, and first predeterminated position is in the refrigerating chamber
Bottom and positioned at it is described refrigeration return air channel lower section；
Described control unit is additionally operable to, when the temperature of first predetermined position is less than the first preset temperature, close described cold
Hide air door；
If the blower fan is in starting state before described control unit is additionally operable to open the refrigeration air door, in the refrigeration wind
Door starts the blower fan after closing.
12. refrigerator control systems according to claim 11, it is characterised in that
There is refrigeration to ask if described control unit is additionally operable to refrigerating chamber, open the blower fan and the refrigeration air door.
A kind of 13. refrigerators, it is characterised in that including：
Refrigerator control system as any one of claim 7 to 12.
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| CN201710124865.2A CN106918194B (en) | 2017-03-03 | 2017-03-03 | Controlling method for refrigerator, refrigerator control system and refrigerator |
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| CN201710124865.2A CN106918194B (en) | 2017-03-03 | 2017-03-03 | Controlling method for refrigerator, refrigerator control system and refrigerator |
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| CN106918194B CN106918194B (en) | 2019-07-02 |
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| CN108571858A (en) * | 2018-04-26 | 2018-09-25 | 合肥美的电冰箱有限公司 | Refrigerator and its control method, control device, readable storage medium storing program for executing |
| CN109708362A (en) * | 2018-09-28 | 2019-05-03 | 青岛海尔股份有限公司 | Portable freezing device and Portable freezing device refrigeration control method |
| CN112797702A (en) * | 2020-12-30 | 2021-05-14 | 长乐致远技术开发有限公司 | Control method of refrigerator |
| CN113551477A (en) * | 2021-07-23 | 2021-10-26 | 珠海格力电器股份有限公司 | Air-cooled refrigerator temperature control method, air-cooled refrigerator and computer readable storage medium |
| CN114674105A (en) * | 2022-03-09 | 2022-06-28 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN114923303A (en) * | 2022-05-16 | 2022-08-19 | 珠海格力电器股份有限公司 | Refrigerator control method and device, storage medium and refrigerator |
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