CN109751814A - Refrigerating device and its control method - Google Patents
Refrigerating device and its control method Download PDFInfo
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- CN109751814A CN109751814A CN201811386862.7A CN201811386862A CN109751814A CN 109751814 A CN109751814 A CN 109751814A CN 201811386862 A CN201811386862 A CN 201811386862A CN 109751814 A CN109751814 A CN 109751814A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 6
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Defrosting Systems (AREA)
Abstract
The present invention relates to refrigerating device and its control methods.Specifically, refrigerating device includes ice maker, the first cooling chamber and the first evaporator；First cooling chamber is connected to ice maker by the first ducting assembly；It is set in the first cooling chamber to first vertical evaporator；Wherein, the top of the first cooling chamber has air outlet, and lower part has the first return air inlet and the second return air inlet, and the second return air inlet is in the upside of the first return air inlet；And first ducting assembly include: supply air duct, be connected to air outlet and ice maker；First return airway is connected to the first return air inlet and ice maker；Second return airway is connected to the second return air inlet and ice maker；It with air duct opening and closing device, is configured to that the first return airway and the second return airway is connected alternatively, or simultaneously turns on the first return airway and the second return airway.Can prevent the air circulation for occurring entirely to make ice caused by frost is stifled because of ice making evaporator from becoming smaller, ice making rate it is slower and slower.
Description
Technical field
The present invention relates to field of refrigeration equipments, more particularly to a kind of refrigerating device and its control method.
Background technique
Refrigerating device is a kind of electric appliance, wherein repeating refrigeration cycle compression, condensation, expansion and evaporation using refrigerant
Refrigeration cycle, so as to low temperature store food.Large size refrigeration refrigerating plant is becoming very universal, and has developed each
The electric refrigerating device of seed type, to meet the needs of users.For example, settable ice making dress in the door body of refrigerating device
It sets.Ice maker, refrigerating chamber and freezing chamber, which are required to cooling capacity, to work.In existing scheme, ice maker, refrigerating chamber and freezing
Room shares an evaporator and air channel structure, and causing refrigerating device, structure is complicated.
Summary of the invention
The present inventor proposes to improve the working efficiency of refrigerating device and make ice efficiency for ice making
An individual ice making evaporator is arranged in device, and when ice maker needs ice making or cold water, ice making evaporator refrigeration makes ice blower
Operating enters ice making compartment by air duct and freezes to ice maker, returns to ice making evaporator by air duct after heat exchange.Further
Ground, inventors have found that because injection ice maker water evaporation and in ice making room room ice cube distillation influence, cause to make ice
Frosting rate is greater than refrigerating chamber and freezing chamber on evaporator.Again because thermic load needed for ice making compartment is smaller, do not need too
Big evaporator is easy to happen frost which results in ice making evaporator and blocks up, entirely so the appearance frost ability of evaporator itself is poor
The air circulation of ice making becomes smaller, and ice making rate is slower and slower.
Based on the above issues, in a first aspect, the present invention provides a kind of novel refrigerating device, can guarantee to make ice
The air quantity of device prevents ice maker efficiency from declining as far as possible.
Second aspect, the present invention provide a kind of control method applied to above-mentioned refrigerating device.
According to the first aspect of the invention, the invention proposes a kind of refrigerating devices comprising ice maker, first
Cooling chamber and the first evaporator；First cooling chamber is connected to the ice maker by the first ducting assembly；Described first steams
Hair device is vertically set in first cooling chamber；Wherein,
The top of first cooling chamber has an air outlet, and lower part has the first return air inlet and the second return air inlet, and described the
Two return air inlets are in the upside of first return air inlet；And first ducting assembly includes:
Supply air duct is connected to the air outlet and the ice maker；
First return airway is connected to first return air inlet and the ice maker, and first return air inlet is configured to
Make the bottom end of the first evaporator described in at least partly gas flow into first cooling chamber；
Second return airway is connected to second return air inlet and the ice maker, and second return air inlet is configured to
Make the top of the bottom end of the first evaporator described in at least partly gas flow into first cooling chamber；With
Air duct opening and closing device is configured to lead first return airway and second return airway alternatively
It is logical, or simultaneously turn on first return airway and second return airway.
Preferably, the refrigerating device further include: temperature sensor is configured to detect the temperature of first evaporator
Degree, with when the ice maker needs cooling capacity and the temperature of first evaporator less than or equal to the first preset temperature, until
Less be connected second return airway.
Preferably, the refrigerating device further include:
First storage room is configured to accommodate article；With
Second evaporator is configured to controllably provide cooling capacity to first storage room.
Preferably, the refrigerating device further includes cabinet and door body；
There is first storage room in the cabinet；
The door body is installed on the cabinet, is configured to open or close first storage room；
The ice maker is set to the inside of the door body；
First cooling chamber is set to the rear portion or side of first storage room.
Preferably, also there is the second storage room and the second cooling chamber in the cabinet；
Second cooling chamber is set to the rear portion or side of second storage room；
Second evaporator is set in second cooling chamber；
Second cooling chamber by the second ducting assembly and third ducting assembly respectively with first storage room and
The second storage room connection.
Preferably, the refrigerating device further include:
First blower is set in first cooling chamber；
Second blower is set in second cooling chamber or in second ducting assembly；With
Third blower is set in second cooling chamber or in the third ducting assembly.
Preferably, the refrigerating device further includes defrost heater strip, is set in first cooling chamber, is configured to
Defrost is carried out to first evaporator.
According to the second aspect of the invention, the invention proposes a kind of controls for any of the above-described kind of refrigerating device
Method comprising:
Step A: when the ice maker needs cooling capacity, first return airway is connected, closes second return air
Air duct；
Step B: the temperature of detection first evaporator；
Step C: judging whether the ice maker continues need for cooling capacity, and judges that the temperature of first evaporator is
It is no to be less than or equal to the first preset temperature；
Cooling capacity is continued need in the ice maker, and the temperature of first evaporator is pre- less than or equal to described first
If when temperature, entering step D；
The step D: conducting second return airway.
Preferably, the step D further includes simultaneously turning off first return airway.
Preferably, the control method of the refrigerating device, after the step D further include:
Step E: continuing to judge whether the ice maker continues need for cooling capacity, and judges the temperature of first evaporator
Whether degree is less than or equal to the second preset temperature；
Cooling capacity is continued need in the ice maker, and the temperature of first evaporator is pre- less than or equal to described second
If when temperature, entering step F；
Step F: making first return airway and second return airway be in off state, to stop to described
Ice maker provides cooling capacity；
Step G: defrost is carried out to first evaporator.
The present invention also provides another control methods for being used for any of the above-described kind of refrigerating device comprising:
Step H: when the ice maker make ice for the first time, being connected first return airway, closes described the
Two return airways；
Step I: after the first time finishing ice-making, the temperature of first evaporator is detected；
Step J: judging whether the temperature of first evaporator is higher than third preset temperature, and in first evaporator
Temperature when being higher than the third preset temperature, carry out second and make ice；
Step K: judge whether the temperature of first evaporator is less than or equal to the 4th preset temperature；Described 4th is default
Temperature is greater than the third preset temperature；And it is less than or equal to the 4th preset temperature in the temperature of first evaporator
When, second return airway is connected.
Preferably, the 4th preset temperature is the temperature that the first base of evaporator frost blocks up；The default temperature of the third
The temperature of first evaporator described in when degree is completed for second of ice making.
In refrigerating device of the invention and its control method, because having the first return airway and the second return air wind
Road can make ice making air-flow bypass the bottom end of the first evaporator in the bottom end frosting of the first evaporator, can prevent from steaming because of ice making
The air circulation that hair device occurs entirely to make ice caused by frost is stifled becomes smaller, ice making rate is slower and slower.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of refrigerating device according to an embodiment of the invention, and arrow indicates air-flow in figure
Flow direction；
Fig. 2 is the schematic diagram of refrigerating device according to an embodiment of the invention, and arrow indicates air-flow in figure
Flow direction；
Fig. 3 is the position of the first return air inlet and the second return air inlet relative to the first evaporator in refrigerating device shown in Fig. 1
Set schematic diagram；
Fig. 4 is the schematic diagram of refrigerating device according to an embodiment of the invention, and arrow indicates air-flow in figure
Flow direction；
Fig. 5 is the schematic system diagram of refrigerating device shown in Fig. 4；
Fig. 6 is the schematic diagram of the first evaporator；
Fig. 7 is the schematic diagram of first support plate.
Specific embodiment
Fig. 1 is the schematic diagram of refrigerating device according to an embodiment of the invention.Ice as shown in Figure 1 is with reference to figure
2 and Fig. 3, the embodiment of the invention provides a kind of refrigerating devices.The refrigerating device may include ice maker 21, first
Cooling chamber 22 and the first evaporator 30.First cooling chamber 22 is connected to ice maker 21 by the first ducting assembly.First evaporator
30 are vertically set in the first cooling chamber 22.The top of first cooling chamber 22 has air outlet, and lower part has the first return air inlet
23 and second return air inlet 24.Second return air inlet 24 is in the upside of the first return air inlet 23.And first ducting assembly may include air-supply
Air duct 25, the first return airway 26, the second return airway 27 and air duct opening and closing device 28.
Supply air duct 25 is connected to air outlet and ice maker 21.First return airway 26 is connected to the first return air inlet 23 and ice making
Device 21, and the first return air inlet 23 is configured to make into the first evaporator of at least partly gas flow 30 of the first cooling chamber 22
Bottom end.Second return airway 27 is connected to the second return air inlet 24 and ice maker 21, and the second return air inlet 24 is configured to make to enter the
The top of the bottom end of the first evaporator of at least partly gas flow 30 of one cooling chamber 22.Air duct opening and closing device 28 is configured to controlled
The first return airway 26 and the second return airway 27 is connected alternatively in ground, or makes the first return airway 26 and the second return airway
27 simultaneously turn on.When the bottom end frosting of the first evaporator 30, the second return airway 27 can be such that ice making air-flow steams around first
The bottom end for sending out device 30 can prevent the air circulation for occurring entirely to make ice caused by frost is stifled because of ice making evaporator from becoming smaller, ice making rate
It is slower and slower.
In some embodiments of the invention, refrigerating device further includes temperature sensor 41, is configured to detection first
The temperature of evaporator 30, to need cooling capacity and the temperature of the first evaporator 30 default less than or equal to first in ice maker 21
When temperature, be at least connected the second return airway 27.Further, while the second return airway 27 is connected, the can be closed
One return airway 26 can not also close the first return airway 26, be preferably chosen and close the first return airway 26.Air duct opening and closing dress
Setting 28 can be two air doors, control the first return airway 26 and the second return airway 27 respectively.In some alternate embodiments,
It can also be according to the on-off for time control the first return airway 26 and the second return airway 27 that the first evaporator 30 works.
In some embodiments of the invention, as shown in figure 4, refrigerating device further includes the first storage room 61 and
Two evaporators 62.First storage room 61 is configured to accommodate article.Second evaporator 62 is configured to controllably between the first storing
Room 61 provides cooling capacity.Specifically, refrigerating device includes cabinet and door body.There is the first storage room 61 in cabinet.Door body
It is installed on cabinet, is configured to open or close the first storage room 61.Ice maker 21 is set to the inside of door body.First is cooling
Room 22 is set to 61 rear portion of the first storage room or side.
Further, also there is the second storage room 63 and the second cooling chamber in cabinet.Second cooling chamber is set to second
The rear portion or side of storage room 63.Second evaporator 62 is set in the second cooling chamber.Second cooling chamber passes through the second air duct
Component and third ducting assembly are connected to the first storage room 61 and the second storage room 63 respectively.
For the ease of air-supply, refrigerating device further includes the first blower 51, the second blower 52 and third blower.First wind
Machine 51 is set in the first cooling chamber 22, to promote the airflow circulating between the first cooling chamber 22 and ice maker 21.Second wind
Machine 52 is set in the second cooling chamber or in the second ducting assembly, to promote between the second cooling chamber and the first storage room 61
Airflow circulating.Third blower is set in the second cooling chamber or in third ducting assembly, to promote the second cooling chamber to store up with second
Airflow circulating between object compartment 63.First storage room 61 is preferably refrigerating chamber, and the second storage room 63 is preferably freezing chamber.
In some embodiments of the invention, refrigerating device further includes defrost heater strip 42, and it is cooling to be set to first
In room 22, it is configured to carry out defrost to the first evaporator 30.Defrost heater strip 42 may be disposed at the downside of the first evaporator 30.
In some embodiments of the invention, as shown in figure 5, Fig. 5 is the exemplary system of refrigerating device shown in Fig. 4
Figure.The refrigeration system of refrigerating device may include compressor 71, condenser 72, solenoid valve 73, first throttling device 74, above-mentioned
First evaporator 30, second throttling device 75, above-mentioned second evaporator 62.Solenoid valve 73 can make refrigerant followed by first throttle
Device 74, the first evaporator 30 and the second evaporator 62.Or, solenoid valve can make refrigerant followed by second throttling device 75 and
Two evaporators 62.
In some embodiments of the invention, as shown in fig. 6, the first evaporator 30 can be evaporator fin, including fin
Portion and heat exchange pipe portion.The pipe portion that exchanges heat has multiple straight pipes 31 disposed in parallel.Fin part is installed on heat exchange pipe portion.Fin part tool
There is the length direction along straight pipe 31 to set gradually multiple sub- fin parts 32；And each straight pipe 31 has first end and second
End；Along the direction for being directed toward second end by first end of straight pipe 31, the height of the bottom end of multiple sub- fin parts 32 is successively reduced.
The lower part of the side wall of the first end of the straight pipe 31 towards evaporator fin of first cooling chamber 22 is provided with above-mentioned
First return air inlet 23, the second return air inlet 24 and air outlet.During installation, the pipe portion that exchanges heat most descends row's straight pipe to the evaporator fin
31 height must not be lower than the height on the upper edge of the first return air inlet 23.
Further, the equal length of multiple sub- fin parts 32, to be distributed in heat exchange in the length direction along straight pipe 31
Pipe portion.In at least partly sub- fin part 32, the arranging density of the lower end fin of every sub- fin part 32 is less than the sub- fin part
The arranging density of fin on the upside of 32 lower end fin.Significantly reduce back wind resistance.Preferably, the lower sub- fin part in bottom end
The arranging density of 32 lower end fin can be smaller.
In inventing some specific embodiments, multiple sub- fin parts 32 may include the first sub- fin part, the second sub- fin
Portion and the sub- fin part of third, bottom end height successively reduce.The bottom end of the sub- fin part of third is mountable to most descend the straight pipe 31 of row.
The bottom end of second sub- fin part is mountable to second row straight pipe 31 from bottom to top.The bottom end of first sub- fin part be mountable to from
Upward third arranges straight pipe 31 down.Further, it is installed on the density phase of all fins of third row straight pipe 31 from bottom to top
Deng for the first density.It is installed on the equal density of all fins of second row straight pipe 31 from bottom to top, is the second density.Peace
The equal density of all fins loaded on first row straight pipe 31 from bottom to top is third density.Further, third density can
It equal to the second density, and can be the half of the first density.That is, all wings of the second sub- fin part and the sub- fin part of third
In piece, in each adjacent two fin, the lower end of a fin is installed on third row straight pipe 31, another fin from bottom to top and continues
It is extended to form to downside.
Defrost heater strip 42 is installed on evaporator fin by first support plate 33 and second support plate 34.As shown in fig. 7,
First support plate 33 is vertically arranged, and the upper end of first support plate 33 is installed on one or more straight tubes of the lower end of heat exchange pipe portion
The first end of section 31；Ventilation hole 36 is offered on first support plate 33, can prevent from generating obstruction to return air.Second support plate 34 is perpendicular
Directly it is arranged, the second end of the multiple straight pipes 31 for being installed on heat exchange pipe portion of second support plate 34.Defrost heater strip 42 is installed
In the lower end of first support plate 33 and the lower end of second support plate 34.Temperature sensor 41 is set to a straight pipe of top side
31 second end.Specifically, the corresponding position of fin part is provided with unfilled corner, and temperature sensor 41 is in the unfilled corner.
The embodiment of the present invention also proposed a kind of control method for the refrigerating device in any of the above-described embodiment.
The control method of the refrigerating device may include following steps:
Step A: when ice maker 21 needs cooling capacity, the first return airway 26 is connected, closes the second return airway 27.And
The first evaporator 30 and the first blower 51 is set to work simultaneously.
Step B: the temperature of the first evaporator 30 of detection.
Step C: judging whether ice maker 21 continues need for cooling capacity, and judges whether the temperature of the first evaporator 30 is low
In or equal to the first preset temperature.The temperature that first preset temperature can block up for 30 bottom frost of the first evaporator.
Cooling capacity is continued need in ice maker 21, and the temperature of the first evaporator 30 is less than or equal to the first preset temperature
When, enter step D.
Step D: the second return airway 27 of conducting.Preferably, step D further includes simultaneously turning off the first return airway 26.
In some preferred embodiments of the invention, the control method of refrigerating device is after step D further include:
Step E: continuing to judge whether ice maker 21 continues need for cooling capacity, and judges that the temperature of the first evaporator 30 is
It is no to be less than or equal to the second preset temperature.The temperature of first evaporator 30 when second preset temperature can be completed for second of ice making.
Cooling capacity is continued need in ice maker 21, and the temperature of the first evaporator 30 is less than or equal to the second preset temperature
When, enter step F.
Step F: making the first return airway 26 and the second return airway 27 be in off state, to stop to ice maker
21 provide cooling capacity.First evaporator 30 and the first blower 51 stop working.
Step G: defrost is carried out to the first evaporator 30.To can return to step A after 30 defrost of the first evaporator.
Further, in step C, cooling capacity is continued need in ice maker 21, and the temperature of the first evaporator 30 is higher than
When the first preset temperature, circulation carries out step C.In step C, cooling capacity, and the first evaporator are needed in the stopping of ice maker 21
When 30 temperature is higher than the first preset temperature, step A can return to.In step C, cooling capacity is needed in the stopping of ice maker 21, and
When the temperature of first evaporator 30 is less than or equal to the first preset temperature, G can be entered step.
The embodiment of the invention also provides another controlling parties for the refrigerating device in any of the above-described embodiment
Method comprising:
Step H: when ice maker 21 make ice for the first time, the first return airway 26 is connected, closes the second return air wind
Road 27.
Step I: after first time finishing ice-making, the temperature of the first evaporator 30 is detected.
Step J: judging whether the temperature of the first evaporator 30 is higher than third preset temperature, and in the temperature of the first evaporator 30
When degree is higher than third preset temperature, carries out second and make ice.
Step K: judge whether the temperature of the first evaporator 30 is less than or equal to the 4th preset temperature.4th preset temperature is big
In third preset temperature.And when the temperature of the first evaporator 30 is less than or equal to four preset temperatures, the second return air wind is connected
Road 27.Preferably, the first return airway 26 is simultaneously turned off.
Preferably, the 4th preset temperature is the temperature that 30 bottom frost of the first evaporator blocks up.Third preset temperature is second
The temperature of first evaporator 30 when ice making is completed.Third preset temperature and the 4th preset temperature can be determined according to test of many times.It is logical
The setting of normal 4th preset temperature is higher than the temperature of the first evaporator 30 detected after first time finishing ice-making.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of refrigerating device, which is characterized in that including ice maker, the first cooling chamber and the first evaporator；Described
One cooling chamber is connected to the ice maker by the first ducting assembly；It is cold to be set to described first to first vertical evaporator
Indoor；Wherein,
The top of first cooling chamber have air outlet, lower part have the first return air inlet and the second return air inlet, described second time
Air port is in the upside of first return air inlet；And first ducting assembly includes:
Supply air duct is connected to the air outlet and the ice maker；
First return airway, is connected to first return air inlet and the ice maker, and first return air inlet be configured to make into
Enter the bottom end of the first evaporator described in at least partly gas flow of first cooling chamber；
Second return airway, is connected to second return air inlet and the ice maker, and second return air inlet be configured to make into
Enter the top of the bottom end of the first evaporator described in at least partly gas flow of first cooling chamber；With
Air duct opening and closing device is configured to that first return airway and second return airway is connected alternatively,
Or simultaneously turn on first return airway and second return airway.
2. refrigerating device according to claim 1, which is characterized in that further include:
Temperature sensor is configured to detect the temperature of first evaporator, to need cooling capacity and described in the ice maker
When the temperature of first evaporator is less than or equal to the first preset temperature, be at least connected second return airway.
3. refrigerating device according to claim 1, which is characterized in that further include:
First storage room is configured to accommodate article；With
Second evaporator is configured to controllably provide cooling capacity to first storage room.
4. refrigerating device according to claim 3, which is characterized in that further include cabinet and door body；
There is first storage room in the cabinet；
The door body is installed on the cabinet, is configured to open or close first storage room；
The ice maker is set to the inside of the door body；
First cooling chamber is set to the rear portion or side of first storage room.
5. refrigerating device according to claim 4, which is characterized in that
Also there is the second storage room and the second cooling chamber in the cabinet；
Second cooling chamber is set to the rear portion or side of second storage room；
Second evaporator is set in second cooling chamber；
Second cooling chamber by the second ducting assembly and third ducting assembly respectively with first storage room and described
The connection of second storage room.
6. refrigerating device according to claim 1, which is characterized in that further include:
Defrost heater strip is set in first cooling chamber, is configured to carry out defrost to first evaporator.
7. a kind of control method for refrigerating device described in any one of claims 1 to 6, which is characterized in that packet
It includes:
Step A: when the ice maker needs cooling capacity, first return airway is connected, closes second return airway；
Step B: the temperature of detection first evaporator；
Step C: judging whether the ice maker continues need for cooling capacity, and judges whether the temperature of first evaporator is low
In or equal to the first preset temperature；
Cooling capacity is continued need in the ice maker, and the temperature of first evaporator is less than or equal to the described first default temperature
When spending, D is entered step；
The step D: conducting second return airway.
8. the control method of refrigerating device according to claim 7, which is characterized in that
The step D further includes simultaneously turning off first return airway.
9. the control method of refrigerating device according to claim 7 or 8, which is characterized in that after the step D also
Include:
Step E: continuing to judge whether the ice maker continues need for cooling capacity, and judges that the temperature of first evaporator is
It is no to be less than or equal to the second preset temperature；
Cooling capacity is continued need in the ice maker, and the temperature of first evaporator is less than or equal to the described second default temperature
When spending, F is entered step；
Step F: making first return airway and second return airway be in off state, to stop to the ice making
Device provides cooling capacity；
Step G: defrost is carried out to first evaporator.
10. a kind of control method for refrigerating device described in any one of claims 1 to 6, which is characterized in that packet
It includes:
Step H: when the ice maker make ice for the first time, being connected first return airway, closes described second time
Wind air duct；
Step I: after the first time finishing ice-making, the temperature of first evaporator is detected；
Step J: judging whether the temperature of first evaporator is higher than third preset temperature, and in the temperature of first evaporator
When degree is higher than the third preset temperature, carries out second and make ice；
Step K: judge whether the temperature of first evaporator is less than or equal to the 4th preset temperature；4th preset temperature
Greater than the third preset temperature；And when the temperature of first evaporator is less than or equal to four preset temperature, lead
Lead to second return airway.
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|---|---|---|---|
| CN201811386862.7A CN109751814B (en) | 2018-11-20 | 2018-11-20 | Refrigerating and freezing device and control method thereof |
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| CN201811386862.7A CN109751814B (en) | 2018-11-20 | 2018-11-20 | Refrigerating and freezing device and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776255A (en) * | 2021-10-09 | 2021-12-10 | 北京云迹科技有限公司 | Refrigeration cabinet and refrigeration system |
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| FR2376385A1 (en) * | 1977-01-03 | 1978-07-28 | Gen Electric | HOUSEHOLD REFRIGERATOR WITH AIR CIRCULATION |
| CN102213524A (en) * | 2011-05-31 | 2011-10-12 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN106288594A (en) * | 2015-05-29 | 2017-01-04 | 青岛海尔智能技术研发有限公司 | Refrigerator |
| CN204944006U (en) * | 2015-07-31 | 2016-01-06 | 青岛海尔智能技术研发有限公司 | Refrigerator |
| CN106885420A (en) * | 2017-03-24 | 2017-06-23 | 青岛海尔股份有限公司 | Refrigerator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776255A (en) * | 2021-10-09 | 2021-12-10 | 北京云迹科技有限公司 | Refrigeration cabinet and refrigeration system |
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|---|---|
| CN109751814B (en) | 2020-12-15 |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee before: Qingdao Haier Joint Stock Co.,Ltd. |