CN106440609A - Refrigerator defrosting control method and system - Google Patents
Refrigerator defrosting control method and system Download PDFInfo
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- CN106440609A CN106440609A CN201610931534.5A CN201610931534A CN106440609A CN 106440609 A CN106440609 A CN 106440609A CN 201610931534 A CN201610931534 A CN 201610931534A CN 106440609 A CN106440609 A CN 106440609A
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- 238000010257 thawing Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007710 freezing Methods 0.000 claims abstract description 15
- 230000008014 freezing Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 230000003203 everyday effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a refrigerator defrosting control method and system. The method comprises the steps that the accumulative operation time of a compressor is detected; it is determined that the accumulative operation time of the compressor is longer than a first preset duration; whether the average environment temperature in the first preset duration is higher than or equal to a first preset temperature or not is judged; and when it is judged that the average environment temperature in the first preset duration is lower than the first preset temperature, a refrigerator is controlled to start a defrosting mode for defrosting. When the average environment temperature in the first preset duration is lower than the first preset temperature, the environment temperature has small influences on compartment temperature recovery during refrigerator defrosting, and a user just needs to determine the time for starting the defrosting mode according to the accumulative operation time of the compressor at the moment; and the influences of the high environment temperature on the temperature of refrigerator compartments are reduced, power consumption of the refrigerator is reduced, the freshness keeping and freezing capacities of the refrigerator are improved, and the usage experience degree of the user is increased.
Description
Technical field
The present invention relates to refrigerator art, particularly relate to defrosting control method and the system of a kind of refrigerator.
Background technology
In current household electric refrigerator industry, air-cooled circulation is the important way of the refrigeration of refrigerator.Air-cooled circulation uses strong
The wind that the cold of evaporimeter is formed by fan electromotor by the mode of convection current processed is delivered to each indoor of refrigerator as medium.Wind
Cold refrigeration can be entered by the steam (steam) in food and air with the medium of circulated air in cyclic process on an evaporator
Row condenses, and forms frostwork.As frosting is increasingly severe, the gap for wind flow for the evaporimeter can be blocked, thus cause air-cooled
Cycle heat exchange efficiency reduces.Therefore, wind-cooling electric refrigerator disposes defrosting heater typically all under the vaporizers, certain in air-cooled circulation
All after dates will remove the solidifying frost on evaporimeter by forcing heating.
In prior art, mainly removed the solidifying frost on evaporimeter by following several ways：1) by passing through accumulating compression
Machine runs the time, and as one of condition judging entrance defrost, (such as compressor accumulated running time is more than 10h, and control system is entered
Enter defrost)；2) device temperature-sensitive head on an evaporator, when temperature-sensitive head temperature, less than a certain set point of temperature, (this set point of temperature is by trying
Test, such as 5 DEG C), timer carries out timing, when timing time parameter (arranges parameter by verification experimental verification more than arranging parameter
Get, for example 24h) when, control system enters defrost；3) both modes are combined together as judging by the control system having
Enter the condition of defrost.
But the single defrosting control mode carrying out by time cumulation can not meet actual making under different environment temperatures
Use demand.Especially under summer high-temperature environment, the temperature on daytime can be up to more than 38 DEG C, and now refrigerator is by extraneous heat radiation shadow
Ringing bigger, people are higher than usual to the demand of refrigerator, the start of compressor frequently, easily easy frosting, institute on evaporimeter
Defrosting control with wind cooling refrigerator in summer is just even more important.Generally two talentes may carry out a defrost, now may need every day
Carry out defrost twice.If carrying out defrost the daytime that refrigerator is under summer high-temperature, and the utilization rate of refrigerator very high (user again
Ceaselessly switch gate takes food), then the temperature of whole refrigerator will be greatly affected, the temperature inside the box (room temperature of refrigerator
Degree) rapid increase, compartment temperature refrigerator during defrost easily occur is too high and the crisper refrigerating capacity that affects refrigerator.
Content of the invention
The invention provides defrosting control method and the system of a kind of refrigerator, the method and system can be when refrigerator defrosts
Reduce the impact on refrigerator compartment temperature for the high ambient temperature, improve the Experience Degree of user.
For realizing above-mentioned design, the present invention is by the following technical solutions：
On the one hand, the defrosting control method of a kind of refrigerator is provided, including：
Detection compressor accumulated running time；
Determine that described compressor accumulated running time is more than or equal to the first preset duration；
Judge whether the average ambient temperature in the first preset time period is more than or equal to the first preset temperature；
If it is not, control refrigerator enters defrost pattern carries out defrost.
Wherein, the described average ambient temperature judging in the first preset time period whether more than or equal to the first preset temperature it
After, also include：
If so, judge current time whether within the second preset time period；
If so, control refrigerator entrance defrost pattern and carry out defrost.
Wherein, described judge current time whether within the second preset time period before, also include：
Obtain the current time in network by wireless network.
Wherein, described control refrigerator entrance defrost pattern carries out defrost, including：
Control compressor shutdown, control MOD are closed；
Preset when the duration entering the sart point in time that defrost pattern carries out defrost apart from described control refrigerator reaches second
During duration, the freezing fan motor of control is closed, control defrosting heater conducting heating.
Wherein, after described control refrigerator entrance defrost pattern carries out defrost, also include：
When compartment temperature is more than or equal to the second preset temperature, disconnect defrosting heater；
When the duration of the sart point in time apart from described disconnection defrosting heater reaches three preset duration, control compression
Machine is resumed work；
When the duration of the sart point in time resumed work apart from described compressor reaches four preset duration, control freezing
Fan electromotor, MOD recover normal work.
Wherein, described first preset duration is 8-10 hour；Described first preset time period is 10:00-14:00；Described
First preset temperature is 34 DEG C-36 DEG C.
Wherein, described second preset time period is 22:00-24:00 or 00:00-6:00.
On the other hand, the defrosting control system of a kind of refrigerator is provided, including：
Detection computing unit, is used for detecting compressor accumulated running time；
Determining unit, is used for determining that described compressor accumulated running time is more than or equal to the first preset duration；
First judging unit, whether pre-more than or equal to first for judging the average ambient temperature in the first preset time period
If temperature；
First control unit, for when the average ambient temperature judged in described first preset time period is less than described the
During one preset temperature, control refrigerator enters defrost pattern and carries out defrost.
Wherein, also include：
Acquiring unit, for being obtained the current time in network by wireless network；
Second judging unit, is more than or equal to institute for the average ambient temperature in judging described first preset time period
When stating the first preset temperature, it is judged that whether current time is within the second preset time period；
Second control unit, for when judging that current time is within the second preset time period, controls refrigerator entranceization
Frost pattern carries out defrost；
Switching units, for when compartment temperature is more than or equal to the second preset temperature, disconnecting defrosting heater；
3rd control unit, pre-for the 3rd ought be reached apart from the duration of the sart point in time of described disconnection defrosting heater
If during duration, control compressor is resumed work；
4th control unit, for when the duration of the sart point in time that Range compress machine is resumed work reach the 4th preset when
When long, the freezing fan electromotor of control, MOD recover normal work；
Described first preset duration is 8-10 hour；Described first preset time period is 10:00-14:00；Described first pre-
If temperature is 34 DEG C-36 DEG C；
Described second preset time period is 22:00-24:00 or 00:00-6:00.
Wherein, described control refrigerator entrance defrost pattern carries out defrost, including：
Control compressor shutdown, control MOD are closed；
Preset when the duration entering the sart point in time that defrost pattern carries out defrost apart from described control refrigerator reaches second
During duration, the freezing fan motor of control is closed, control defrosting heater conducting heating.
Beneficial effects of the present invention is：The embodiment of the present invention is by detection compressor accumulated running time；Determine described pressure
Contracting machine accumulated running time is more than or equal to the first preset duration；Judge that whether the average ambient temperature in the first preset time period is big
In equal to the first preset temperature；Average ambient temperature in judging described first preset time period is preset less than described first
During temperature, control refrigerator enters defrost pattern and carries out defrost.Average ambient temperature within the first preset time period is less than first
During preset temperature, environment temperature is less on the rise impact of compartment temperature during refrigerator defrost, now has only to add up according to compressor
The operation time determines when to enter defrost pattern, according to the average ambient temperature in the first preset time period, compressor
Accumulated running time, select the most suitable defrost time, reduce the impact on refrigerator compartment temperature for the high ambient temperature, save refrigerator
Energy consumption, improve fridge freshness retaining and refrigerating capacity, improve the experience degree of user.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in the embodiment of the present invention being described below
The accompanying drawing using is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also implement according to the present invention
The content of example and these accompanying drawings obtain other accompanying drawing.
Fig. 1 is the side of the first embodiment of the defrosting control method of a kind of refrigerator providing in the specific embodiment of the invention
Method flow chart.
Fig. 2 is the side of the second embodiment of the defrosting control method of a kind of refrigerator providing in the specific embodiment of the invention
Method flow chart.
Fig. 3 is the knot of the first embodiment of the defrosting control system of a kind of refrigerator providing in the specific embodiment of the invention
Structure block diagram.
Fig. 4 is the knot of the second embodiment of the defrosting control system of a kind of refrigerator providing in the specific embodiment of the invention
Structure block diagram.
Detailed description of the invention
For making to present invention solves the technical problem that, the technical scheme using and the technique effect reaching clearer, below
It is described in further detail combining the technical scheme to the embodiment of the present invention for the accompanying drawing, it is clear that described embodiment is only
It is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, it is the first of the defrosting control method of a kind of refrigerator providing in the specific embodiment of the invention
The method flow diagram of embodiment.As it can be seen, the method includes：
Step 101：Detection compressor accumulated running time.
Compressor accumulated running time is that the time period that refrigeration lasts till compressor closedown stopping refrigeration being opened by compressor；?
This time period inner compressor is constantly in unlatching duty.When can detect the accumulative operation of compressor according to predetermined period
Between, for example：Detection in every 10 seconds is once.
Step 102：Determine that described compressor accumulated running time is more than or equal to the first preset duration.
First preset duration can be configured according to the demand of the performance of compressor, duty and user.Alternatively,
First preset duration is 8-10 hour；Still optionally further, the first preset duration is 9 hours.
Step 103：Judge whether the average ambient temperature in the first preset time period is more than or equal to the first preset temperature.
When the average ambient temperature judged in the first preset time period is more than or equal to the first preset temperature, continue executing with
Step 104；When the average ambient temperature judged in the first preset time period is less than the first preset temperature, continue executing with step
105.
First preset time period was the time period that in one day, temperature is the highest, can be according to different geographical environment and Various Seasonal
Temperature profile determined for the first preset time period；Alternatively, the first preset time period was 10:00-14:00.Detect first pre-
Put the environment temperature in the time period, calculate the mean value of the environment temperature of detection in the first preset time period obtain first preset when
Between average ambient temperature in section.Wherein, detecting the environment temperature in the first preset time period can be by being arranged on outside refrigerator
The temperature sensor in portion detected according to certain cycle.For example：Detection in 5 minutes once, detection in 10 minutes one inferior.
First preset temperature can according to environment temperature when refrigerator defrost on the impact of the compartment temperature of refrigerator, differently
The refrigeration performance of the maximum temperature in territory and season and refrigerator is configured.Alternatively, the first preset temperature is 34 DEG C-36 DEG C；
Still optionally further, the first preset temperature is 35 DEG C.By day, especially when dog days, the utilization rate of refrigerator is very
Height, user often switchs refrigerator doors and comes by food；Environment temperature is higher, compartment temperature (the refrigerator inside temperature when refrigerator defrost
Degree) go up faster so that compartment temperature is higher, affect the crisper refrigerating effect of refrigerator.It is less than in average ambient temperature
During the first preset temperature, environment temperature is less on the rise impact of compartment temperature during refrigerator defrost, directly adds up according to compressor
The operation time determines when that entering defrost pattern carries out defrost；When average ambient temperature is more than or equal to the first preset temperature,
Environment temperature is relatively big on the rise impact of compartment temperature during refrigerator defrost, and average ambient temperature once often raises, to room temperature
The rise impact of degree is multiplied；Now control the defrost time of refrigerator every day in the (evening in one day the second preset time period
Go up or morning)；So neither affect and on evaporator of refrigerator, cause due to frosting internal wind circulation to be obstructed, also will not make refrigerator
Owing to defrost causes whole internal temperature of refrigerator to uprise.
Step 104：Judge current time whether within the second preset time period.
Alternatively, the second preset time period was the evening in one day or morning；Still optionally further, the second preset time period
It is 22:00-24:00 or 00:00-6:00；Under normal circumstances, the temperature of a day is minimum within the time period, and subscriber switch ice
The frequency of chamber door is minimum.When judging that current time is within the second preset time period, continue executing with step 105；When judging
When current time is not within the second preset time period, continue to judge current time whether within the second preset time period.
Step 105：Control refrigerator enters defrost pattern and carries out defrost.
Control refrigerator enters defrost pattern and carries out defrost, including：Control compressor shutdown, control MOD are closed；When
When the duration that described control refrigerator enters the sart point in time that defrost pattern carries out defrost reaches the second preset duration, control
Freezing fan motor is closed, control defrosting heater conducting heating.Wherein, the second preset duration is 6-9 minute；Alternatively,
Second preset duration is 8 minutes.
In sum, the embodiment of the present invention is by detection compressor accumulated running time；Determine the accumulative fortune of described compressor
The row time is more than or equal to the first preset duration；Judge whether the average ambient temperature in the first preset time period is more than or equal to first
Preset temperature；When the average ambient temperature judged in the first preset time period is less than the first preset temperature, control refrigerator enters
Enter defrost pattern and carry out defrost.Average ambient temperature within the first preset time period is less than environment temperature during the first preset temperature
Rise impact on compartment temperature during refrigerator defrost is less, now has only to determine when according to compressor accumulated running time
Enter defrost pattern；When average ambient temperature within the first preset time period is more than or equal to the first preset temperature, environment
Temperature is relatively big on the rise impact of compartment temperature during refrigerator defrost, and the average ambient temperature in the first preset time period often raises
Once, the rise speed of compartment temperature was doubled and redoubled；Now defrost set of time was carried out within the second preset time period, it is to avoid
High ambient temperature and user switch the impact on refrigerator compartment temperature during defrost for the refrigerator doors frequently.According to average ambient temperature,
Compressor accumulated running time and current time select the most suitable defrost time, save energy consumption, reduce high ambient temperature and exist
Impact on internal temperature of refrigerator during defrost, improves fridge freshness retaining and refrigerating capacity, improves the experience degree of user.
Refer to Fig. 2, it is the second of the defrosting control method of a kind of refrigerator providing in the specific embodiment of the invention
The method flow diagram of embodiment.As it can be seen, the method includes：
Step 201：Detection compressor accumulated running time.
Step 202：Obtain the current time in network by wireless network.
Alternatively, wireless network is WIFI wireless network.Refrigerator by WiFi module obtain the current time in network (when
Clock information), and (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting passes by uart
Defeated device) clock information in network is transferred to the control panel of refrigerator by full duplex asynchronous communications protocol, the MCU in control panel
(Microcontroller Unit, micro-control unit) clock signal to input judges, determines that the current time is early
Above, noon or evening.
Step 203：Determine that described compressor accumulated running time is more than or equal to the first preset duration.
Step 204：Judge whether the average ambient temperature in the first preset time period is more than or equal to the first preset temperature.
When the average ambient temperature judged in the first preset time period is more than or equal to the first preset temperature, continue executing with
Step 205；When the average ambient temperature judged in the first preset time period is more than or equal to during less than the first preset temperature, continue
Step 206.
Step 205：Judge current time whether within the second preset time period.
When judging that current time is within the second preset time period, continue executing with step 206；When judging current time
When not within the second preset time period, continue to judge current time whether within the second preset time period.Work as average ambient temperature
More than or equal to the first preset temperature (for example：35 DEG C) when, in conjunction with the defrost demand of actual refrigerator, by the defrost time of refrigerator every day
Control within the second preset time period (evening in one day or morning, as：22:00-6:00).So neither affect refrigerator evaporation
Cause due to frosting internal wind circulation to be obstructed on device, refrigerator also will not be made to cause whole internal temperature of refrigerator to become due to defrost
High.
Step 206：Control refrigerator enters defrost pattern and carries out defrost.
Step 207：When compartment temperature is more than or equal to the second preset temperature, disconnect defrosting heater.
Alternatively, the second preset temperature is 6-10 DEG C；Still optionally further, the second preset temperature is 8 DEG C.
Step 208：When the duration of the sart point in time apart from described disconnection defrosting heater reaches three preset duration,
Control compressor is resumed work.
Alternatively, the 3rd preset duration is 6-8 minute；Still optionally further, the 3rd preset duration is 7 minutes.
Step 209：When the duration of the sart point in time that Range compress machine is resumed work reaches four preset duration, control
Freezing fan electromotor, MOD recover normal work.
Alternatively, the 4th preset duration is 2-4 minute；Still optionally further, the 4th preset duration is 3 minutes.
It should be noted that step 202 might not be fixed between step 201 and step 203, as long as in step 205
Before.
In sum, the embodiment of the present invention obtains the current time in network by wireless network, in hot environment
Judge now whether refrigerator can enter defrost pattern, optimizes the control system of refrigerator；When defrost, when compartment temperature is big
When equal to the second preset temperature, stop defrost, it is to avoid the too high ability affecting fridge freshness retaining and freezing of compartment temperature.According to flat
Equal environment temperature, compressor accumulated running time and current time select the most suitable defrost time, it is to avoid high ambient temperature
Switch the impact on refrigerator compartment temperature during defrost for the refrigerator doors with user frequently, save energy consumption, improve fridge freshness retaining and cold
Freeze ability, improve the experience degree of user.
It is below the embodiment of the defrosting control system of a kind of refrigerator of this programme, the reality of the defrosting control system of a kind of refrigerator
The embodiment executing the defrosting control method based on a kind of refrigerator for the example realizes, in the embodiment of the defrosting control system of a kind of refrigerator
Not most description, refer to the embodiment of the defrosting control method of a kind of refrigerator.
Refer to Fig. 3, it is the first of the defrosting control system of a kind of refrigerator providing in the specific embodiment of the invention
The block diagram of embodiment.As it can be seen, this system includes：
Detector unit 311, is used for detecting compressor accumulated running time.
First preset time period was 10:00-14:00.
Determining unit 312, is used for determining that described compressor accumulated running time is more than or equal to the first preset duration.
First preset duration is 8-10 hour.
First judging unit 313, for judging whether the average ambient temperature in the first preset time period is more than or equal to the
One preset temperature.
First preset temperature is 34 DEG C-36 DEG C
First control unit 314, is less than institute for the average ambient temperature in judging described first preset time period
When stating the first preset temperature, control refrigerator enters defrost pattern and carries out defrost.
Described control refrigerator enters defrost pattern and carries out defrost, including：
Control compressor shutdown, control MOD are closed；
Preset when the duration entering the sart point in time that defrost pattern carries out defrost apart from described control refrigerator reaches second
During duration, the freezing fan motor of control is closed, control defrosting heater conducting heating.
For working as, second judging unit 316, judges that the average ambient temperature in described first preset time period is more than
When described first preset temperature, it is judged that whether current time is within the second preset time period.
Second preset time period was 22:00-24:00 or 00:00-6:00.
Second control unit 317, for when judging that current time is within the second preset time period, control refrigerator enters
Defrost pattern carries out defrost.
In sum, each unit module cooperative work, detects computing unit 311, when being used for detecting the accumulative operation of compressor
Between；Determining unit 312, is used for determining that described compressor accumulated running time is more than or equal to the first preset duration；First judges list
Unit 313, for judging whether the average ambient temperature in the first preset time period is more than or equal to the first preset temperature；First control
Unit 314, is used for when the average ambient temperature judged in described first preset time period is less than described first preset temperature,
Control refrigerator enters defrost pattern and carries out defrost；Second judging unit 316, in judging described first preset time period
Average ambient temperature more than or equal to described first preset temperature when, it is judged that whether current time within the second preset time period；
Second control unit 317, for when judging that current time is within the second preset time period, control refrigerator enters defrost pattern
Carry out defrost.When average ambient temperature within the first preset time period is less than the first preset temperature, environment temperature is to refrigerator defrost
When compartment temperature rise impact less, now have only to according to compressor accumulated running time determine when enter defrost mould
Formula；When average ambient temperature within the first preset time period is more than or equal to the first preset temperature, environment temperature is to refrigerator
During defrost, the rise impact of compartment temperature is relatively big, and the average ambient temperature in the first preset time period once often raises, a room
The rise speed of temperature is doubled and redoubled；Now defrost set of time was carried out within the second preset time period, it is to avoid environment is high
Gentle user switchs the impact on refrigerator compartment temperature during defrost for the refrigerator doors frequently.Tire out according to average ambient temperature, compressor
Meter operation time and current time select the most suitable defrost time, save energy consumption, reduce high ambient temperature when defrost pair
The impact of internal temperature of refrigerator, improves fridge freshness retaining and refrigerating capacity, improves the experience degree of user.
Refer to Fig. 4, it is the second of the defrosting control system of a kind of refrigerator providing in the specific embodiment of the invention
The block diagram of embodiment.As it can be seen, this system includes：
Detection computing unit 311, is used for detecting compressor accumulated running time.
Determining unit 312, is used for determining that described compressor accumulated running time is more than or equal to the first preset duration.
First judging unit 313, for judging whether the average ambient temperature in the first preset time period is more than or equal to the
One preset temperature.
First control unit 314, is less than institute for the average ambient temperature in judging described first preset time period
When stating the first preset temperature, control refrigerator enters defrost pattern and carries out defrost.
Acquiring unit 315, for being obtained the current time in network by wireless network.
For working as, second judging unit 316, judges that the average ambient temperature in described first preset time period is more than
When described first preset temperature, it is judged that whether current time is within the second preset time period.
Second control unit 317, for when judging that current time is within the second preset time period, control refrigerator enters
Defrost pattern carries out defrost.
Switching units 318, for when compartment temperature is more than or equal to the second preset temperature, disconnecting defrosting heater.
3rd control unit 319, for reaching the when the duration of sart point in time apart from described disconnection defrosting heater
During three preset duration, control compressor is resumed work.
4th control unit 320, it is pre-that the duration of the sart point in time for resuming work when Range compress machine reaches the 4th
If during duration, the freezing fan electromotor of control, MOD recover normal work.
In sum, each unit module cooperative work, obtains the current time in network by wireless network, at height
Temperature environment judges now whether refrigerator can enter defrost pattern, optimizes the control system of refrigerator；When defrost, when a room
When temperature is more than or equal to the second preset temperature, stop defrost, it is to avoid the too high ability affecting fridge freshness retaining and freezing of compartment temperature.
Select the most suitable defrost time according to average ambient temperature, compressor accumulated running time and current time, it is to avoid ring
Border high temperature and user switch the impact on refrigerator compartment temperature during defrost for the refrigerator doors frequently, save energy consumption, improve refrigerator and protect
Fresh and refrigerating capacity, improves the experience degree of user.
Describe the know-why of the present invention above in association with specific embodiment.These describe and are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel do not need to pay other detailed description of the invention that performing creative labour can associate the present invention, and these modes fall within
Within protection scope of the present invention.
Claims (10)
1. the defrosting control method of a refrigerator, it is characterised in that include：
Detection compressor accumulated running time；
Determine that described compressor accumulated running time is more than or equal to the first preset duration；
Judge whether the average ambient temperature in the first preset time period is more than or equal to the first preset temperature；
If it is not, control refrigerator enters defrost pattern carries out defrost.
2. method according to claim 1, it is characterised in that the average environment temperature in the first preset time period of described judgement
Whether degree, more than or equal to after the first preset temperature, also includes：
If so, judge current time whether within the second preset time period；
If so, control refrigerator entrance defrost pattern and carry out defrost.
3. method according to claim 2, it is characterised in that described judge current time whether in the second preset time period
Before Nei, also include：
Obtain the current time in network by wireless network.
4. the method according to claim 1-3 any one, it is characterised in that described control refrigerator enters defrost pattern and enters
Row defrost, including：
Control compressor shutdown, control MOD are closed；
When the duration entering the sart point in time that defrost pattern carries out defrost apart from described control refrigerator reaches the second preset duration
When, the freezing fan motor of control is closed, and controls defrosting heater conducting heating.
5. method according to claim 1, it is characterised in that described control refrigerator enter defrost pattern carry out defrost it
After, also include：
When compartment temperature is more than or equal to the second preset temperature, disconnect defrosting heater；
When the duration of the sart point in time apart from described disconnection defrosting heater reaches three preset duration, control compressor is extensive
Return to work work；
When the duration of the sart point in time resumed work apart from described compressor reaches four preset duration, the freezing wind of control
Fan motor, MOD recover normal work.
6. method according to claim 1, it is characterised in that described first preset duration is 8-10 hour；Described first
Preset time period is 10:00-14:00；Described first preset temperature is 34 DEG C-36 DEG C.
7. method according to claim 2, it is characterised in that described second preset time period is 22:00-24:00 or 00:
00-6:00.
8. the defrosting control system of a refrigerator, it is characterised in that include：
Detector unit, is used for detecting compressor accumulated running time；
Determining unit, is used for determining that described compressor accumulated running time is more than or equal to the first preset duration；
First judging unit, for judging whether the average ambient temperature in the first preset time period is preset warm more than or equal to first
Degree；
First control unit, is less than described first for the average ambient temperature in judging described first preset time period pre-
If during temperature, control refrigerator enters defrost pattern and carries out defrost.
9. system according to claim 8, it is characterised in that also include：
Acquiring unit, for being obtained the current time in network by wireless network；
Second judging unit, for when the average ambient temperature judged in described first preset time period is more than or equal to described the
During one preset temperature, it is judged that whether current time is within the second preset time period；
Second control unit, for when judging that current time is within the second preset time period, control refrigerator enters defrost mould
Formula carries out defrost；
Switching units, for when compartment temperature is more than or equal to the second preset temperature, disconnecting defrosting heater；
3rd control unit, for when the duration of sart point in time apart from described disconnection defrosting heater reach the 3rd preset when
When long, control compressor is resumed work；
4th control unit, the duration of the sart point in time for resuming work when Range compress machine reaches the 4th preset duration
When, the freezing fan electromotor of control, MOD recover normal work；
Described first preset duration is 8-10 hour；Described first preset time period is 10:00-14:00；Described first presets temperature
Degree is 34 DEG C-36 DEG C；
Described second preset time period is 22:00-24:00 or 00:00-6:00.
10. system according to claim 8 or claim 9, it is characterised in that described control refrigerator enters defrost pattern
Frost, including：
Control compressor shutdown, control MOD are closed；
When the duration entering the sart point in time that defrost pattern carries out defrost apart from described control refrigerator reaches the second preset duration
When, the freezing fan motor of control is closed, and controls defrosting heater conducting heating.
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| CN201610931534.5A CN106440609A (en) | 2016-10-24 | 2016-10-24 | Refrigerator defrosting control method and system |
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|---|---|---|---|
| CN201610931534.5A CN106440609A (en) | 2016-10-24 | 2016-10-24 | Refrigerator defrosting control method and system |
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| CN201610931534.5A Pending CN106440609A (en) | 2016-10-24 | 2016-10-24 | Refrigerator defrosting control method and system |
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| CN109442784A (en) * | 2018-10-30 | 2019-03-08 | 海信容声(广东)冰箱有限公司 | Refrigeration equipment and control method |
| CN109780785A (en) * | 2019-01-09 | 2019-05-21 | 合肥美的电冰箱有限公司 | Refrigerator and its control method, device and system |
| CN110629419A (en) * | 2019-10-15 | 2019-12-31 | 浙江众邦机电科技有限公司 | Method and device for controlling sewing equipment to stop and electronic equipment |
| CN111059858A (en) * | 2018-10-22 | 2020-04-24 | 青岛海尔股份有限公司 | Control method of refrigerator and computer storage medium |
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| CN114777371A (en) * | 2022-04-08 | 2022-07-22 | 海信（山东）冰箱有限公司 | Refrigerator and noise reduction method thereof |
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| CN112762646A (en) * | 2020-12-31 | 2021-05-07 | Tcl家用电器（合肥）有限公司 | Air return duct heating control device and heating control method |
| CN114115381A (en) * | 2021-12-02 | 2022-03-01 | 四川虹美智能科技有限公司 | Temperature control method and system of intelligent terminal equipment based on android system |
| CN114115381B (en) * | 2021-12-02 | 2022-08-02 | 四川虹美智能科技有限公司 | Temperature control method and system of intelligent terminal equipment based on android system |
| CN114777371B (en) * | 2022-04-08 | 2024-05-07 | 海信冰箱有限公司 | Refrigerator and noise reduction method thereof |
| CN114777371A (en) * | 2022-04-08 | 2022-07-22 | 海信（山东）冰箱有限公司 | Refrigerator and noise reduction method thereof |
| CN115435538A (en) * | 2022-09-16 | 2022-12-06 | 海信冰箱有限公司 | Refrigerator and defrosting control method thereof |
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