CN109442841A - The control system and control method of refrigerator - Google Patents
The control system and control method of refrigerator Download PDFInfo
- Publication number
- CN109442841A CN109442841A CN201810432150.8A CN201810432150A CN109442841A CN 109442841 A CN109442841 A CN 109442841A CN 201810432150 A CN201810432150 A CN 201810432150A CN 109442841 A CN109442841 A CN 109442841A
- Authority
- CN
- China
- Prior art keywords
- drawer
- condensation
- evaporator
- dehumidifying
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 87
- 238000009833 condensation Methods 0.000 claims abstract description 124
- 230000005494 condensation Effects 0.000 claims abstract description 124
- 229910052751 metal Inorganic materials 0.000 claims abstract description 79
- 239000002184 metal Substances 0.000 claims abstract description 79
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 82
- 238000005192 partition Methods 0.000 claims description 31
- 230000001186 cumulative effect Effects 0.000 claims description 25
- 238000007710 freezing Methods 0.000 claims description 25
- 230000008014 freezing Effects 0.000 claims description 25
- 238000005057 refrigeration Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 16
- 238000012544 monitoring process Methods 0.000 description 12
- 238000003860 storage Methods 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 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
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/067—Evaporator fan units
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25D21/002—Defroster control
-
- 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
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- 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
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
-
- 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
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
- F25D2317/04111—Control means therefor
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
- F25D2317/04131—Control means therefor
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
- F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/02—Timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
Present invention discloses a kind of control system of refrigerator and control methods, condensation metal plate is equipped in the drawer of the refrigerator, and the dehumidifying blower for making air in drawer flow to the condensation metal plate is equipped in the drawer, the drawer is equipped with the groove for collecting the condensation generated on the condensation metal plate, the refrigerator further includes drainpipe and drip tray, the drainpipe includes the heater strip of U-tube part and the periphery set on the U-tube part, the U-tube part is arranged adjacent to the evaporator, and one end of the drainpipe is connected to the groove, the other end of the drainpipe is set to the drip tray, the control system includes master control borad, the master control borad controls the air door respectively and the blower that dehumidifies opens or closes, and the master control borad is electrically connected to control the heating of the heater strip or stopping with the heater strip Heating.The control system and control method of the refrigerator, so that more excellent to the effect on moisture extraction for refrigerating indoor drawer.
Description
Technical field
The present invention relates to family's electro-technical field more particularly to the control systems and control method of a kind of refrigerator.
Background technique
In general, refrigerator includes temperature-changing chamber, it is equipped with circulation air path in or beyond temperature-changing chamber, at least provided with wind on circulation air path
Fan, evaporator, heating wire and temperature sensor；After starting fan, air pushes to temperature-changing chamber by air outlet by fan, then passes through
It crosses temperature-changing chamber and returns to return air inlet, the indoor humid air of alternating temperature enters evaporator, and humid air is become by evaporator condensation or icing
It send at dry air, then by air outlet to temperature-changing chamber, completes the cyclic transfer of air, meanwhile, realize removing for temperature-changing chamber
Wet control.And in the technology, effect on moisture extraction is excessively poor.
Summary of the invention
The purpose of the present invention is to provide a kind of control system of refrigerator and control methods, so that refrigerating indoor drawer
Effect on moisture extraction is more excellent.
One of for achieving the above object, an embodiment of the present invention provides a kind of control system of refrigerator, the ice
Case includes refrigerating chamber, set on the indoor drawer of the refrigeration, evaporator, air duct, the air outlet between air duct and refrigerating chamber
And it can be selectively opened or close the air door of the air outlet, wherein being equipped with condensation metal plate in the drawer, and the pumping
The dehumidifying blower for making air in drawer flow to the condensation metal plate is equipped in drawer, the drawer is equipped with described solidifying for collecting
The groove of the condensation generated on dew metal plate, the refrigerator further includes drainpipe and drip tray, and the drainpipe includes U-tube portion
Point and set on the U-tube part periphery heater strip, the U-tube part is arranged adjacent to the evaporator, and the row
One end of water pipe is connected to the groove, and the other end of the drainpipe is set to the drip tray, and the control system includes master
Plate is controlled, the master control borad controls the air door respectively and the blower that dehumidifies opens or closes, and the master control borad and the heating
Silk electrical connection is to control the heating of the heater strip or stop heating.
As the further improvement of embodiment of the present invention, the drawer further includes partition, and the partition is by the drawer
It is separated into condensation space and the memory space for placing article, the partition, which is equipped with, penetrates through the condensation space and storage sky
Between air inlet, the dehumidifying blower is set to the condensation space, and the condensation metal plate is exposed to the condensation space, institute
Dehumidifying blower is stated the air in the memory space is drawn into the condensation space by the air inlet and is flowed to described solidifying
Reveal metal plate.
As the further improvement of embodiment of the present invention, the drawer includes front side board, left plate, right side plate, bottom plate
And back side panel, the back side panel, partition, partial left side plate and partial right side plate constitute the condensation space, the condensation metal
Plate is set between the partition and back side panel, and the dehumidifying blower is set on the condensation metal plate.
As the further improvement of embodiment of the present invention, the setting of air inlet described in the dehumidifying blower face.
As the further improvement of embodiment of the present invention, the partition, front side board, left plate, right side plate and bottom plate are
Integrated formed structure, the back side panel are removably disposed, and the back side panel is equipped with air intake passage and return air channel.
As the further improvement of embodiment of the present invention, the projection of the partition in the horizontal plane is located at the groove and exists
In drop shadow spread on horizontal plane, the groove has bottom, has certain interval between the partition and the bottom, passes through
Air after the condensation metal plate is dry enters memory space by the gap.
As the further improvement of embodiment of the present invention, the cabinet includes left side wall, right side wall and the connection left side
The rear wall of side wall and right side wall, the drainpipe include being connected to the first segment of the groove and being at an angle of with the first segment
It is arranged and is set to the second segment of the rear wall, and the second segment is connected with the U-tube part.
As the further improvement of embodiment of the present invention, the refrigerator further includes freezing chamber, and the evaporator is respectively
The freezing chamber and refrigerating chamber provide cooling capacity, and cold wind is transported to the condensation metal by the air outlet by the evaporator
Plate, the U-tube part are arranged adjacent to the evaporator.
As the further improvement of embodiment of the present invention, the refrigerator further includes freezing chamber, and the evaporator includes being
Refrigerating chamber provides the refrigeration evaporator of cooling capacity and provides the refrigerating evaporator of cooling capacity for freezing chamber, and the refrigeration evaporator passes through institute
It states air outlet and cold wind is transported to the condensation metal plate, the U-tube part is arranged adjacent to the refrigerating evaporator.
One of for achieving the above object, an embodiment of the present invention also provides a kind of control method of refrigerator, described
Refrigerator includes refrigerating chamber, set on the indoor drawer of the refrigeration, evaporator, air duct, the outlet air between air duct and refrigerating chamber
Mouth and the air door that can be selectively opened or close the air outlet, wherein being equipped with condensation metal plate in the drawer, and described
The dehumidifying blower for making air in drawer flow to the condensation metal plate is equipped in drawer, the drawer is equipped with described for collecting
The groove of the condensation generated on condensation metal plate, the refrigerator further include drainpipe and drip tray, and the drainpipe includes U-tube
The heater strip of part and the periphery set on the U-tube part, the U-tube part are arranged adjacent to the evaporator, and described
One end of drainpipe is connected to the groove, and the other end of the drainpipe is set to the drip tray, and the control method includes
Dehumanization method after opening drawer, the dehumanization method opened after drawer include the following steps:
S1. judge whether dehumidifying；
S2. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step S1, if reaching above-mentioned pre-
It fixes time, dehumidifying blower is closed to stop air in drawer and flow, and close air door, if not up to above-mentioned predetermined time, journey
Sequence terminates, continues to dehumidify；
S3. when judging result is no in step S1, the cumulative time that drawer is closed is calculated;
S4. whether the cumulative time is greater than threshold value T1 in judgment step S3;
S5. judging result is when being, to judge the temperature of evaporator whether less than 0 DEG C, if the temperature of evaporator is less than in step S4
0 DEG C of judging result be it is yes, then open dehumidifying blower to force in drawer air to flow, and open air door to reduce condensation metal
The temperature of plate；If judging result of the temperature of evaporator less than 0 DEG C is no, EP (end of program), stopping dehumidifying；
S6. when judging result is no in step S4, EP (end of program) stops dehumidifying.
As the further improvement of embodiment of the present invention, the drawer further includes partition, and the partition is by the drawer
It is separated into condensation space and the memory space for placing article, the partition, which is equipped with, penetrates through the condensation space and storage sky
Between air inlet, the dehumidifying blower is set to the condensation space, and the condensation metal plate is exposed to the condensation space, institute
Dehumidifying blower is stated the air in the memory space is drawn into the condensation space by the air inlet and is flowed to described solidifying
Reveal metal plate.
As the further improvement of embodiment of the present invention, the cabinet includes left side wall, right side wall and the connection left side
The rear wall of side wall and right side wall, the drainpipe include being connected to the first segment of the groove and being at an angle of with the first segment
It is arranged and is set to the second segment of the rear wall, and the second segment is connected with the U-tube part.
As the further improvement of embodiment of the present invention, the refrigerator further includes freezing chamber, and the evaporator is respectively
The freezing chamber and refrigerating chamber provide cooling capacity, and cold wind is transported to the condensation metal by the air outlet by the evaporator
Plate, the U-tube part are arranged adjacent to the evaporator.
As the further improvement of embodiment of the present invention, the refrigerator further includes freezing chamber, and the evaporator includes being
Refrigerating chamber provides the refrigeration evaporator of cooling capacity and provides the refrigerating evaporator of cooling capacity for freezing chamber, and the refrigeration evaporator passes through institute
It states air outlet and cold wind is transported to the condensation metal plate, the U-tube part is arranged adjacent to the refrigerating evaporator.
As the further improvement of embodiment of the present invention, the control method further includes automatic dehumidifying method, it is described from
Dynamic dehumanization method includes the following steps:
A. judge whether dehumidifying；
B. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step a, if reaching above-mentioned predetermined
Time closes dehumidifying blower to stop air in drawer and flow, and closes air door, if the not up to above-mentioned predetermined time, continues
Dehumidifying；
C. when judging result is no in step a, the cumulative time that drawer is not opened is calculated;
Whether the cumulative time is greater than threshold value T2 in d judgment step c;
E. judging result is when being, to judge the temperature of evaporator whether less than 0 DEG C, if the temperature of evaporator is less than 0 in step d
DEG C judging result be it is yes, then open dehumidifying blower to force in drawer air to flow, and open air door to reduce condensation metal
The temperature of plate；If judging result of the temperature of evaporator less than 0 DEG C is no, EP (end of program), stop dehumidifying；
F. when judging result is no in step d, EP (end of program) stops dehumidifying.
As the further improvement of embodiment of the present invention, the control method further includes water discharge control method, the row
Water controling method includes the following steps:
1. judges whether heater strip is heating U-tube；
If 2. step 1. in judging result be it is yes, further judgement add up heating time whether reach setting time, if reaching
Above-mentioned setting time makes heater strip stop heating, if not up to above-mentioned setting time, EP (end of program) continue to heat；
If 3. step 1. in judging result be it is no, calculate away from last time drain between do not drain the cumulative time, if not draining tired
Greater than the judging result of threshold value T3 be yes between timing, and when defrost starts, opening heater strip is begun to warm up, if defrost does not start,
Then EP (end of program), without draining；
4. step 3. in if not drain the cumulative time greater than the judging result of threshold value T3 be no, EP (end of program), without arranging
Water.
Compared with prior art, the beneficial effects of the present invention are technical solutions provided by the invention, due to setting in drawer
Have for condensation metal plate, when condensation metal plate has received the cold wind blown from air outlet, temperature of the condensation metal plate in drawer
It spends minimum.In this way, condensation can be generated in condensation metal plate when the moisture in drawer is blowed to condensation metal plate by the blower that dehumidifies,
And the condensation water generated flows to drip tray by drainpipe, the master control borad of the control system controls the air door and dehumidifying respectively
Blower opens or closes, and the master control borad is electrically connected to control the heating of the heater strip or stop adding with the heater strip
Heat.The present invention is blown a cold wind over by evaporator to condensation metal plate, and condensation metal plate is made to generate condensation, so that being in refrigerating chamber
Drawer reach preferably effect on moisture extraction.
Detailed description of the invention
Fig. 1 is the schematic diagram of refrigerator in first embodiment of the invention；
Fig. 2 is the stereoscopic schematic diagram of drawer in Fig. 1 refrigerator；
Fig. 3 is the A-A cutaway view Amplified image of drawer in Fig. 2；
Fig. 4 is the B-B cutaway view Amplified image of drawer in Fig. 2；
Fig. 5 is another stereoscopic schematic diagram of drawer in Fig. 1 refrigerator, removes lid at this time；
Fig. 6 is the decomposed stereoscopic schematic diagram of drawer in Fig. 5；
Fig. 7 is the decomposed other direction stereoscopic schematic diagram of drawer in Fig. 5；
Fig. 8 is the schematic diagram of drainpipe in Fig. 1 refrigerator；
Fig. 9 is the flow diagram for opening dehumanization method after drawer of refrigerator in first embodiment of the invention；
Figure 10 is the flow diagram of the automatic dehumidifying method of refrigerator in first embodiment of the invention；
Figure 11 is the flow diagram of the water discharge control method of refrigerator in first embodiment of the invention；
Figure 12 is the flow diagram for opening dehumanization method after drawer of refrigerator in second embodiment of the invention；
Figure 13 is the flow diagram of the automatic dehumidifying method of refrigerator in second embodiment of the invention；
Figure 14 is the flow diagram of the water discharge control method of refrigerator in third embodiment of the invention；
Figure 15 is the flow diagram of the water discharge control method of refrigerator in four embodiment of the invention；
Figure 16 is the flow diagram of the automatic dehumidifying method of refrigerator in fifth embodiment of the invention.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
In each diagram of the application, for the ease of illustration, structure or partial certain sizes can be relative to other knots
Structure or part are exaggerated, and therefore, are only used for the basic structure of the theme of diagram the application.
In addition, the term of the representation space relative position used herein such as "upper", " top ", "lower", " lower section " is
A unit as shown in the drawings or feature are described for the purpose convenient for explanation relative to another unit or feature
Relationship.The term of relative space position can be intended to include equipment in use or work other than orientation as shown in the figure not
Same orientation.For example, being described as being located at other units or feature " below " or " under " if the equipment in figure overturn
Unit will be located at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both
Orientation.Equipment can otherwise be directed (be rotated by 90 ° or other directions), and be interpreted accordingly it is used herein with it is empty
Between relevant description language.
Furthermore, it should be appreciated that although term first, second etc. can be used to describe herein various elements or
Structure, but these be described object should not be by the limitation of above-mentioned term.Above-mentioned term be only used for by these description objects that
This is distinguished.For example, the first water level sensor can be referred to as the second water level sensor, equally, the second water level sensor can also
To be referred to as the first water level sensor, this protection scope without departing from this application.
As shown in Figure 1, first embodiment of the invention, which discloses a kind of refrigerator, including constitutes refrigeration
The cabinet 20 of room 22, the drawer 24 for opening and closing the refrigerating chamber chamber door of refrigerating chamber 22 and in refrigerating chamber 22, evaporation
Device, air duct 26, the air outlet 28 between air duct 26 and refrigerating chamber 22 and it can be selectively opened or close air outlet 28
Air door (not shown).
With further reference to Fig. 1 and Fig. 3, wherein be equipped with condensation metal plate 30 in drawer 24, and interior be equipped with of drawer 24 makes drawer
Air flows to the dehumidifying blower 32 of condensation metal plate 30 in 24, and the side of condensation metal plate 30 is exposed to inside drawer 24, condensation
The other side of metal plate 30 can receive the cold wind blown from air outlet 28, and drawer 24 is equipped with for collecting condensation metal plate 30
The groove 34 of the condensation of generation.In addition, refrigerator further includes drainpipe 36 and drip tray (not shown), drainpipe 36 includes U-tube
The heater strip (not shown) of part 38 and the periphery set on U-tube part 38, U-tube part 38 are arranged adjacent to evaporator, and arrange
One end of water pipe 36 is connected to groove 34, and the other end of drainpipe 36 is set to drip tray.
In the present embodiment, it is used for condensation metal plate 30 due to being equipped in drawer 24, when condensation metal plate 30 has received from out
When the cold wind that air port 28 is blown, condensation metal plate 30 is minimum in the temperature of drawer 24.In this way, when dehumidifying blower 32 will be in drawer
When moisture blows to condensation metal plate 30, condensation can be generated in condensation metal plate 30, and the condensation water generated is flowed by drainpipe 36
To drip tray, so that the refrigerator has preferably effect on moisture extraction.The present invention is blown by evaporator to condensation metal plate 30 cold
Wind makes condensation metal plate 30 generate condensation, so that the drawer 24 in refrigerating chamber 22 reaches preferably effect on moisture extraction.
Refrigerator further includes freezing chamber 40, and freezing chamber 40 is similarly positioned in cabinet 20, and wherein refrigerating chamber 22 is located above, freezing
Room 40 is located below.In this preferred embodiment, evaporator includes providing the refrigeration evaporator 42 of cooling capacity for refrigerating chamber 22 and is cold
Freeze room 40 and the refrigerating evaporator 44 of cooling capacity is provided, cold wind is transported to condensation metal plate by air outlet 28 by refrigeration evaporator 42
30, to cool down to condensation metal plate 30, it is minimum in drawer 24 to enable the temperature of condensation metal plate 30, in this way, working as drawer
When dehumidifying blower 32 in 24 is started to work, the moisture in drawer 24 is forced to flow through metal plate, and makes steam condensation in condensation gold
Belong on plate 30, the condensation water generated on condensation metal plate 30 is collected into groove 34, then flows to drip tray by drainpipe 36.
Further, refrigerator further includes refrigeration blower 46 and freezing blower 48, and refrigeration blower 46 will be around refrigeration evaporator 42
Cooling capacity blow to refrigerating chamber 22, freeze blower 48 for the cooling capacity around 40 evaporator of freezing chamber and blow to freezing chamber 40.
Certainly, refrigerator may also include freezing chamber 40, and an evaporator is only arranged, i.e. single system refrigerator.Evaporator difference
Cooling capacity is provided for freezing chamber 40 and refrigerating chamber 22, and cold wind is transported to condensation metal plate 30 by air outlet 28 by evaporator, together
Sample, U-tube part 38 are arranged adjacent to evaporator.
In addition, U-tube part 38 is arranged adjacent to refrigerating evaporator 44.In this way, can be steamed when condensation water passes through U-tube
Hair device is frozen in U-tube, so that condensation water be made to be maintained at solid-state and block drainpipe 36, inside and outside intercommunication is prevented, to keep away
Exempt from external moisture to enter in drainpipe 36.
When evaporator defrost, heater strip is worked at the same time, and freezes to melt in pipe, superfluous water is discharged, U is finally kept
Water level in shape pipe.
As shown in Fig. 3 to Fig. 7, drawer 24 further includes partition 50, and drawer 24 is separated into condensation space 52 and used by partition 50
In the memory space 54 for placing article, partition 50 is equipped with the air inlet 56 of perforation condensation space 52 and memory space 54, dehumidifying
Blower 32 is set to condensation space 52, and condensation metal plate 30 is exposed to condensation space 52, and dehumidifying blower 32 will be in memory space 54
Air be drawn into condensation space 52 and flow to condensation metal plate 30 by air inlet 56.
In addition, the projection of partition 50 in the horizontal plane is located in the drop shadow spread of groove 34 in the horizontal plane, groove 34 has
There is bottom, there is certain interval between partition 50 and bottom, the air after condensation metal plate 30 is dry is entered by gap
To memory space 54.
Drawer 24 further includes lid 57, front side board 58, left plate 60, right side plate 62, bottom plate 64 and back side panel 66, back side panel
66, partition 50, partial left side plate 60 and partial right side plate 62 constitute condensation space 52, front side board 58, partial left side plate 60, part
Right side plate 62 and partition 50 constitute memory space 54.Lid 57 is covered in 54 top of memory space with sealed storage space 54.It is solidifying
Reveal metal plate 30 to be set between partition 50 and back side panel 66, dehumidifying blower 32 is set on condensation metal plate 30.Specifically, condensation is golden
Belong to and all has the air gap between plate 30 and partition 50 and back side panel 66, dehumidifying 32 face air inlet 56 of blower setting.In this way, work
Make more efficient, dehumidification efficiency is more excellent.Certainly, dehumidifying blower 32 can not also face air inlet 56 be arranged, such as with air inlet 56
Between be staggered certain position setting.
In this preferred embodiment, partition 50, front side board 58, left plate 60, right side plate 62 and bottom plate 64 are integrally formed knot
Structure.Further, back side panel 66 is removably disposed, and back side panel 66 is equipped with air intake passage 68 and return air channel 70.In this way,
The cooling capacity of refrigeration evaporator 42 is passed through air inlet by being transported to drawer 24 by refrigeration blower 46, and the heat in drawer 24 passes through back
Wind channel 70 returns to refrigeration evaporator 42, to form outer circulation.And in drawer 24 between memory space 54 and condensation space 52
Dry and wet air between circulation be interior circulation.In this preferred embodiment, due to being provided with binary cycle system, so that drawer
It ensure that certain refrigerated storage temperature in 24, and also ensure with dry cold storage environment, there is good effect on moisture extraction.
In the present embodiment, back side panel 66 is fixed by screw, certainly, other fixed forms such as riveting can also be used.Condensation
Metal plate 30 also uses split settings structure, and condensation metal plate 30 can be used aluminium, other materials can also be used.Condensation metal plate 30
Gluing is fixed or passed through by screw.
With further reference to shown in Fig. 1 and Fig. 8, in the present embodiment, cabinet 20 includes left side wall, right side wall, roof 72, bottom wall
74 and rear wall 76, rear wall 76 connects left side wall, right side wall, roof 72 and bottom wall 74, and drainpipe 36 includes being connected to groove
34 first segment 78 and with the angled setting of first segment 78 and it is set to the second segment 80 of rear wall 76, and second segment 80 and U-tube
Part 38 is connected.Preferably, 80 angle degree of first segment 78 and second segment are obtuse angle.
In this preferred embodiment, first segment 78, second segment 80 and U-tube part 38 are an integral molding structure.Certainly, first
Then section 78, second segment 80 and U-tube part 38 can also be bonded or welded between each other with separately manufacturing.It equally, can also be with
One section 78 and second segment 80 are an integral molding structure, and using being bonded or welded between second segment 80 and U-tube part 38.
This preferred embodiment also discloses a kind of control system of refrigerator, which includes master control borad, master control borad point
Not Kong Zhi air door and dehumidifying blower 32 open or close, and master control borad be electrically connected with heater strip with control the heating of heater strip or
Stop heating.
As shown in figure 9, this preferred embodiment also discloses a kind of control method of refrigerator, which includes opening drawer
Dehumanization method after 24, that is to say, that drawer is just opened and turns off the dehumidifying after drawer to drawer.This opens removing after drawer 24
Wet method includes the following steps:
S1. judge whether dehumidifying；
S2. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step S1, if reaching above-mentioned pre-
Fix time, close dehumidifying blower 32(and join Fig. 3) it is flowed with stopping air in drawer 24, and air door is closed, if not up to above-mentioned pre-
Fix time, then EP (end of program), continue to dehumidify；
S3. when judging result is no in step S1, the cumulative time that drawer is closed is calculated;
S4. whether the cumulative time is greater than threshold value T1 in judgment step S3;
S5. judging result is when being, to judge the temperature of evaporator whether less than 0 DEG C, if the temperature of evaporator is less than in step S4
0 DEG C of judging result be it is yes, then open dehumidifying blower 32 to force in drawer air to flow, and open air door to reduce condensation gold
Belong to plate 30(referring to Fig. 3) temperature；If judging result of the temperature of evaporator less than 0 DEG C be it is no, EP (end of program), stopping remove
It is wet；
S6. when judging result is no in step S4, EP (end of program) stops dehumidifying.
Wherein, judging that the temperature of evaporator refers to judge to cool down to condensation metal plate 30 in step S5 makes it generate condensation
Evaporator, specific in the present embodiment, being the temperature for judging refrigeration evaporator.
As shown in Figure 10, in this preferred embodiment, control method further includes automatic dehumidifying method, that is, when drawer is long
Between be not gated in the case where drawer dehumanization method.The automatic dehumidifying method includes the following steps:
A. judge whether dehumidifying；
B. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step a, if reaching above-mentioned predetermined
Time closes dehumidifying blower 32 to stop air in drawer and flow, and closes air door, if not up to above-mentioned predetermined time, journey
Sequence terminates, continues to dehumidify；
C. when judging result is no in step a, the cumulative time that drawer is not opened is calculated;
Whether the cumulative time is greater than threshold value T2 in d judgment step c;
E. judging result is when being, to judge the temperature of evaporator whether less than 0 DEG C, if the temperature of evaporator is less than 0 in step d
DEG C judging result be it is yes, then open dehumidifying blower 32 to force in drawer air to flow, and open air door to reduce condensation gold
Belong to the temperature of plate 30；If judging result of the temperature of evaporator less than 0 DEG C is no, EP (end of program), stop dehumidifying；
F. when judging result is no in step d, EP (end of program) stops dehumidifying.
In addition, as shown in figure 11, control method further includes water discharge control method, which includes following step
It is rapid:
1. judges whether heater strip is heating U-tube；
If 2. step 1. in judging result be it is yes, further judgement add up heating time whether reach setting time, if reaching
Above-mentioned setting time makes heater strip stop heating, if not up to above-mentioned setting time, EP (end of program) continue to heat；
If 3. step 1. in judging result be it is no, calculate away from last time drain between do not drain the cumulative time, if not draining tired
Greater than the judging result of threshold value T3 be yes between timing, and when defrost starts, opening heater strip is begun to warm up, if defrost does not start,
Then EP (end of program), without draining；
4. step 3. in if not drain the cumulative time greater than the judging result of threshold value T3 be no, EP (end of program), without arranging
Water.
Second preferred embodiment provided by the invention, the preferred embodiment is compared with first preferred embodiment, control system
It further include humidity sensor (not shown), humidity sensor is set in drawer for monitoring humidity in drawer, and control system
Master control borad and humidity sensor be electrically connected to obtain humidity value that humidity sensor monitors and be handled, same master control
Plate controls air door respectively and the blower that dehumidifies opens or closes, and master control borad is electrically connected to control the heating of heater strip with heater strip
Or stop heating.Other structures are identical with the first embodiment, therefore no longer specific introduction.
As shown in figure 12, this preferred embodiment also discloses a kind of control method of refrigerator, equally, the controlling party of the refrigerator
Method includes out the dehumanization method after drawer, opposite first preferred embodiment, this is opened the dehumanization method after drawer and increases in drawer
The step of humidity judges.Include the following steps: specifically, this opens the dehumanization method after drawer
S1. judge whether dehumidifying；
S2. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step S1, if reaching above-mentioned pre-
It fixes time, dehumidifying blower is closed to stop air in drawer and flow, and close air door, if not up to above-mentioned predetermined time, journey
Sequence terminates, continues to dehumidify；
S3. when judging result is no in step S1, judge whether humidity is greater than given threshold H1, if humidity sensor monitoring
Humidity greater than the judging result of given threshold H1 be it is yes, calculate drawer closing cumulative time and the cumulative time of comparison and given threshold
T4, if the humidity of humidity sensor monitoring is no, EP (end of program), stopping dehumidifying greater than the judging result of threshold value H1；
If S4. the cumulative time is greater than threshold value T4 in step S3, the temperature of evaporator is judged whether less than 0 DEG C, if the temperature of evaporator
Spend judging result less than 0 DEG C be it is yes, then open dehumidifying blower to force air in drawer to flow, and opening air door is solidifying to reduce
Reveal the temperature of metal plate；If judging result of the temperature of evaporator less than 0 DEG C is no, EP (end of program), stopping dehumidifying；
If S5. the cumulative time is no, EP (end of program), stopping dehumidifying greater than the judging result of threshold value T4 in step S3.
As shown in figure 13, control method further includes automatic dehumidifying method, which includes the following steps:
A. judge whether dehumidifying；
B. judging result is when being, to continue to judge whether humidity is less than given threshold H2 in step a, if humidity is less than setting threshold
The judging result of value H2 is to close dehumidifying blower when being to stop air in drawer and flow, and close air door, set if humidity is less than
Determine threshold value H2 judging result be it is no when, then EP (end of program), continue to dehumidify；
C. it when judging result is no in step a, reads humidity sensor and reads and handle, then judge whether humidity is greater than and set
Determine threshold value H1, if humidity greater than given threshold H1 judging result be it is yes, judge the temperature of evaporator whether less than 0 DEG C；
If d. judging result of the temperature of evaporator less than 0 DEG C is yes, dehumidifying blower is opened to force air stream in drawer
It is dynamic, and air door is opened to reduce the temperature of condensation metal plate；If judging result of the temperature of evaporator less than 0 DEG C is no, journey
Sequence terminates, stopping dehumidifies；
If e. judging result of the humidity greater than given threshold H1 is no, EP (end of program) in step c, stop dehumidifying.
In this preferred embodiment, it is provided with humidity sensor, makes it possible to accurately grasp humidity in drawer, and according to humidity
It is controlled, so that the Dehumidification controlling to drawer is more accurate, effect on moisture extraction is more excellent.
In the preferred embodiment, control method also includes water discharge control method, water discharge control method and first embodiment
In water discharge control method it is identical, be no longer described in detail herein.
Third preferred embodiment provided by the invention, the preferred embodiment is compared with first preferred embodiment, control system
It further include the first water level sensor (not shown) for monitoring water level in drainpipe, wherein master control borad and the first water level sensor
Be electrically connected to obtain water level value that the first water level sensor monitors and be handled, same master control borad control respectively air door and
Dehumidifying blower opens or closes, and master control borad is electrically connected to control the heating of the heater strip or stop heating with heater strip.
Other structures are identical with the first embodiment, therefore no longer specific introduction.
This preferred embodiment also discloses a kind of control method of refrigerator, and equally, the control method of the refrigerator includes opening pumping
Dehumanization method after drawer.Specifically, as shown in figure 9, this opens the dehumanization method after drawer is identical with the first embodiment, including it is as follows
Step:
S1. judge whether dehumidifying；
S2. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step S1, if reaching above-mentioned pre-
It fixes time, closes dehumidifying blower to stop air in drawer and flow, and close air door, if the not up to above-mentioned predetermined time, after
Continuous dehumidifying；
S3. when judging result is no in step S1, the cumulative time that drawer is closed is calculated;
S4. whether the cumulative time is greater than threshold value T1 in judgment step S3;
S5. judging result is when being, to judge the temperature of evaporator whether less than 0 DEG C, if the temperature of evaporator is less than in step S4
0 DEG C of judging result be it is yes, then open dehumidifying blower to force in drawer air to flow, and open air door to reduce condensation metal
The temperature of plate；If judging result of the temperature of evaporator less than 0 DEG C is no, EP (end of program), stopping dehumidifying；
S6. when judging result is no in step S4, EP (end of program) stops dehumidifying.
Further, control system further includes in drawer for monitoring the humidity sensor of humidity in drawer, master control
Plate obtains the humidity value that humidity sensor monitors with humidity sensor electric connection and is handled.
In addition, when being provided with humidity sensor, as shown in figure 12, dehumanization method and second embodiment after opening drawer
It is identical, specifically, in step s3, when judging result is no in step S1, first judge humidity that humidity sensor detects is whether
Greater than given threshold H1, if judging result of the humidity greater than given threshold H1 of humidity sensor monitoring is yes, then drawer is calculated
Close the cumulative time, if humidity sensor monitoring humidity greater than threshold value H1 judging result be it is no, EP (end of program), stop remove
It is wet.
Control method in this preferred embodiment also includes automatic dehumidifying method, automatic dehumidifying method and second embodiment
It is identical, it is no longer described in detail herein.
In addition, as shown in figure 14, the control method in this preferred embodiment further includes water discharge control method, draining control
Method includes the following steps:
1. judges whether heater strip is heating U-tube；
If 2. step 1. in judging result be it is yes, further judgement add up heating time whether reach setting time, if reaching
Above-mentioned setting time makes heater strip stop heating, if not up to above-mentioned setting time, EP (end of program) continue to heat；
If 3. step 1. in judging result be it is no, read the water level numerical value that first water level sensor monitors；
4. judges whether the water level numerical value that the first water level sensor monitors reaches water level settings threshold value W1, set if reaching water level
Determine threshold value W1, then opens the heater strip and U-tube is heated, if not up to water level settings threshold value W1, EP (end of program), no
It is drained.
In this preferred embodiment, be provided with water level sensor, can according to the water level that detects to determine whether drained,
It makes it possible to exhaust condensation water in time, ensure that the dehumidifying of drawer.
4th preferred embodiment provided by the invention, the preferred embodiment is compared with third preferred embodiment, control system
Including two water level sensors, specifically, control system includes the first water level sensor for monitoring high water level in drainpipe
And the second water level sensor for monitoring low water level in drainpipe, master control borad and the first water level sensor and the second level sensor
Device is electrically connected, and the high watermark value monitored with the first water level sensor of acquisition is simultaneously handled and obtained the second level sensor
Low water level value that device monitors simultaneously is handled.Equally, master control borad respectively controls air door and the blower that dehumidifies opens or closes, and
Master control borad is electrically connected to control the heating of heater strip or stop heating with heater strip.
In the preferred embodiment, two water level sensors are set, so that draining control is more accurate.
Further, identical as 3rd embodiment, the control system in the embodiment further includes being set in drawer for supervising
Survey drawer in humidity humidity sensor, master control borad and humidity sensor electric connection with obtain humidity sensor monitor it is wet
Angle value is simultaneously handled.Other structures are identical with the first embodiment, and are no longer described in detail.
Equally, the control method of the preferred embodiment also includes out the dehumanization method after drawer and automatic dehumidifying method, and
It is identical as 3rd embodiment, therefore be no longer described in detail.
In addition, as shown in figure 15, control method further includes water discharge control method, and water discharge control method includes the following steps:
1. judges whether heater strip is heating U-tube；
If 2. step 1. in judging result be it is yes, further judgement add up heating time whether reach setting time, if reaching
Above-mentioned setting time makes heater strip stop heating, if not up to above-mentioned setting time, EP (end of program) continue to heat；
If 3. step 1. in judging result be it is no, read the first water level sensor respectively and the second water level sensor monitor
Water level numerical value；
4. judges whether the water level numerical value of the first water level sensor reaches high water level given threshold W2, if reaching high water level setting
Threshold value W2 then opens the heater strip and heats to U-tube, if not up to high water level given threshold W2, judges the second water
Whether the water level numerical value of level sensor reaches low water level given threshold W1；
If 5. step 4. in the water level numerical value of the second water level sensor reach low water level given threshold W1, judge whether defrost
Start, if defrost starts, open heater strip and U-tube heated, if defrost does not start to, EP (end of program), without
Draining；
If 6. step 4. in the water level numerical value of the second water level sensor be not up to low water level given threshold W1, EP (end of program), no
It is drained.
5th preferred embodiment provided by the invention, the preferred embodiment is compared with the 4th preferred embodiment, the preferred reality
It applies in example, control system also includes for monitoring the humidity sensor of humidity in drawer in drawer, and master control borad and humidity pass
Sensor is electrically connected to obtain humidity value that humidity sensor monitors and be handled, the preferred embodiment and fourth embodiment
Be not both that master control borad also judges whether refrigerator is in user's usage time interval, specifically, master control borad is by judging whether user
The temperature of usage time interval and humidity value and evaporator respectively controls air door and the blower that dehumidifies opens or closes, and master control borad
Also it is electrically connected with heater strip to control the heating of heater strip or stop heating.
In the preferred embodiment, control method includes out the dehumanization method after drawer and automatic dehumidifying method, after opening drawer
Dehumanization method it is identical as the third and fourth embodiment, be no longer described in detail herein.As shown in figure 16, automatic dehumidifying method
Include the following steps:
A. judge whether dehumidifying；
B. judging result is when being, to continue to judge whether humidity is less than given threshold H2 in step a, if humidity is less than setting threshold
The judging result of value H2 is to close dehumidifying blower when being to stop air in drawer and flow, and close air door, set if humidity is less than
Determine threshold value H2 judging result be it is no when, then EP (end of program), continue to dehumidify；
C. it when judging result is no in step a, reads humidity sensor and reads and handle, then judge whether humidity is greater than and set
Determine threshold value H1；
If d. humidity be yes greater than the judging result of given threshold H1, whether judgement current is user's usage time interval, if currently
For user's usage time interval, then the EP (end of program), stopping dehumidifying, if being currently not user user's usage time interval, continue to sentence
Whether the temperature of disconnected evaporator is less than 0 DEG C；
If e. humidity is no, the EP (end of program), stopping dehumidifying greater than the judging result of given threshold H1；
If f. in step d judging result of the temperature less than 0 DEG C of evaporator be it is yes, open dehumidifying blower to force in drawer
Air flowing, and air door is opened to reduce the temperature of condensation metal plate；If judging result of the temperature of evaporator less than 0 DEG C is
It is no, then EP (end of program), stopping dehumidifying.
Identical as fourth embodiment, further, control system further includes first for monitoring high water level in drainpipe
Water level sensor (not shown) and the second water level sensor (not shown) for monitoring low water level in drainpipe, master control borad and institute
It states the first water level sensor and the second water level sensor is electrically connected, to obtain the high water level that the first water level sensor monitors
It is worth and is handled and obtained the low water level value that the second water level sensor monitors and is handled.
The control method of refrigerator further includes water discharge control method, and water discharge control method is identical as fourth embodiment, herein
No longer it is described in detail.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of control system of refrigerator, the refrigerator includes refrigerating chamber, is set to the indoor drawer of the refrigeration, evaporator, wind
Road, the air outlet between air duct and refrigerating chamber and the air door that can be selectively opened or close the air outlet, feature
It is, condensation metal plate is equipped in the drawer, and being equipped in the drawer makes air in drawer flow to the condensation metal plate
Dehumidifying blower, the drawer is equipped with groove for collecting the condensation generated on the condensation metal plate, and the refrigerator is also
Including drainpipe and drip tray, the drainpipe includes the heater strip of U-tube part and the periphery set on the U-tube part,
The U-tube part is arranged adjacent to the evaporator, and one end of the drainpipe is connected to the groove, the drainpipe
The other end is set to the drip tray, and the control system includes master control borad, and the master control borad controls the air door and dehumidifying respectively
Blower opens or closes, and the master control borad is electrically connected to control the heating of the heater strip or stop adding with the heater strip
Heat.
2. the control system of refrigerator according to claim 1, which is characterized in that the drawer further includes partition, it is described every
For plate by the drawer separation at condensation space and the memory space for being used to place article, the partition, which is equipped with, penetrates through the condensation
The air inlet in space and memory space, the dehumidifying blower is set to the condensation space, and the condensation metal plate is exposed to institute
Condensation space is stated, the air in the memory space is drawn into the condensation space by the air inlet by the dehumidifying blower
And flow to the condensation metal plate.
3. the control system of refrigerator according to claim 2, which is characterized in that the drawer include front side board, left plate,
Right side plate, bottom plate and back side panel, the back side panel, partition, partial left side plate and partial right side plate constitute the condensation space, institute
It states condensation metal plate to be set between the partition and back side panel, the dehumidifying blower is set on the condensation metal plate.
4. the control system of refrigerator according to claim 3, which is characterized in that air inlet described in the dehumidifying blower face
Setting.
5. the control system of refrigerator according to claim 3, which is characterized in that the partition, front side board, left plate, the right side
Side plate and bottom plate are an integral molding structure, and the back side panel is removably disposed, and the back side panel be equipped with air intake passage and
Return air channel.
6. the control system of refrigerator according to claim 2, which is characterized in that the projection position of the partition in the horizontal plane
In in the drop shadow spread of the groove in the horizontal plane, the groove has bottom, has between the partition and the bottom
Certain interval, the air after the condensation metal plate is dry enter memory space by the gap.
7. the control system of refrigerator according to claim 1, which is characterized in that the cabinet includes left side wall, right side wall
And the rear wall of the connection left side wall and right side wall, the drainpipe include be connected to the groove first segment and with it is described
The angled setting of first segment and the second segment for being set to the rear wall, and the second segment is connected with the U-tube part.
8. the control system of refrigerator according to claim 1, which is characterized in that the refrigerator further includes freezing chamber, described
Evaporator is respectively that the freezing chamber and refrigerating chamber provide cooling capacity, and cold wind is transported to by the evaporator by the air outlet
The condensation metal plate, the U-tube part are arranged adjacent to the evaporator.
9. the control system of refrigerator according to claim 1, which is characterized in that the refrigerator further includes freezing chamber, described
Evaporator includes providing the refrigeration evaporator of cooling capacity for refrigerating chamber and providing the refrigerating evaporator of cooling capacity, the refrigeration for freezing chamber
Cold wind is transported to the condensation metal plate by the air outlet by evaporator, and the U-tube part is adjacent to the freezing and evaporating
Device setting.
10. a kind of control method of refrigerator, the refrigerator includes refrigerating chamber, is set to the indoor drawer of the refrigeration, evaporator, wind
Road, the air outlet between air duct and refrigerating chamber and the air door that can be selectively opened or close the air outlet, feature
It is, condensation metal plate is equipped in the drawer, and being equipped in the drawer makes air in drawer flow to the condensation metal plate
Dehumidifying blower, the drawer is equipped with groove for collecting the condensation generated on the condensation metal plate, and the refrigerator is also
Including drainpipe and drip tray, the drainpipe includes the heater strip of U-tube part and the periphery set on the U-tube part,
The U-tube part is arranged adjacent to the evaporator, and one end of the drainpipe is connected to the groove, the drainpipe
The other end is set to the drip tray, and the control method includes out the dehumanization method after drawer, the dehumidifying side opened after drawer
Method includes the following steps:
S1. judge whether dehumidifying；
S2. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step S1, if reaching above-mentioned pre-
It fixes time, dehumidifying blower is closed to stop air in drawer and flow, and close air door, if not up to above-mentioned predetermined time, journey
Sequence terminates, continues to dehumidify；
S3. when judging result is no in step S1, the cumulative time that drawer is closed is calculated;
S4. whether the cumulative time is greater than threshold value T1 in judgment step S3;
S5. judging result is when being, to judge the temperature of evaporator whether less than 0 DEG C, if the temperature of evaporator is less than in step S4
0 DEG C of judging result be it is yes, then open dehumidifying blower to force in drawer air to flow, and open air door to reduce condensation metal
The temperature of plate；If judging result of the temperature of evaporator less than 0 DEG C is no, EP (end of program), stopping dehumidifying；
S6. when judging result is no in step S4, EP (end of program) stops dehumidifying.
11. the control method of refrigerator according to claim 10, which is characterized in that the drawer further includes partition, described
For partition by the drawer separation at condensation space and the memory space for being used to place article, it is described cold that the partition is equipped with perforation
The air inlet in solidifying space and memory space, the dehumidifying blower is set to the condensation space, and the condensation metal plate is exposed to
Air in the memory space is drawn into the condensation sky by the air inlet by the condensation space, the dehumidifying blower
Between and flow to the condensation metal plate.
12. the control method of refrigerator according to claim 10, which is characterized in that the cabinet includes left side wall, right side
The rear wall of wall and the connection left side wall and right side wall, the drainpipe include be connected to the groove first segment and with institute
It states the angled setting of first segment and is set to the second segment of the rear wall, and the second segment is connected with the U-tube part.
13. the control method of refrigerator according to claim 10, which is characterized in that the refrigerator further includes freezing chamber, institute
Stating evaporator is respectively that the freezing chamber and refrigerating chamber provide cooling capacity, and the evaporator is conveyed cold wind by the air outlet
To the condensation metal plate, the U-tube part is arranged adjacent to the evaporator.
14. the control method of refrigerator according to claim 10, which is characterized in that the refrigerator further includes freezing chamber, institute
Stating evaporator includes providing the refrigeration evaporator of cooling capacity for refrigerating chamber and providing the refrigerating evaporator of cooling capacity for freezing chamber, described cold
It hides evaporator and cold wind is transported to by the condensation metal plate by the air outlet, the U-tube part is adjacent to the frozen steamed
Send out device setting.
15. the control method of refrigerator according to claim 10, which is characterized in that the control method further includes automatic
Dehumanization method, the automatic dehumidifying method include the following steps:
A. judge whether dehumidifying；
B. judging result is to judge whether the accumulative dehumidifying time reaches the predetermined time when being in step a, if reaching above-mentioned predetermined
Time closes dehumidifying blower to stop air in drawer and flow, and closes air door, if the not up to above-mentioned predetermined time, continues
Dehumidifying；
C. when judging result is no in step a, the cumulative time that drawer is not opened is calculated;
Whether the cumulative time is greater than threshold value T2 in d judgment step c;
E. judging result is when being, to judge the temperature of evaporator whether less than 0 DEG C, if the temperature of evaporator is less than 0 in step d
DEG C judging result be it is yes, then open dehumidifying blower to force in drawer air to flow, and open air door to reduce condensation metal
The temperature of plate；If judging result of the temperature of evaporator less than 0 DEG C is no, EP (end of program), stop dehumidifying；
F. when judging result is no in step d, EP (end of program) stops dehumidifying.
16. control method according to claim 15, which is characterized in that the control method further includes draining controlling party
Method, the water discharge control method include the following steps:
1. judges whether heater strip is heating U-tube；
If 2. step 1. in judging result be it is yes, further judgement add up heating time whether reach setting time, if reaching
Above-mentioned setting time makes heater strip stop heating, if not up to above-mentioned setting time, EP (end of program) continue to heat；
If 3. step 1. in judging result be it is no, calculate away from last time drain between do not drain the cumulative time, if not draining tired
Greater than the judging result of threshold value T3 be yes between timing, and when defrost starts, opening heater strip is begun to warm up, if defrost does not start,
Then EP (end of program), without draining；
4. step 3. in if not drain the cumulative time greater than the judging result of threshold value T3 be no, EP (end of program), without arranging
Water.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516919X | 2017-06-29 | ||
| CN201710516919.XA CN107314612A (en) | 2017-06-29 | 2017-06-29 | The control system and control method of refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109442841A true CN109442841A (en) | 2019-03-08 |
| CN109442841B CN109442841B (en) | 2021-11-26 |
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| CN201710516919.XA Pending CN107314612A (en) | 2017-06-29 | 2017-06-29 | The control system and control method of refrigerator |
| CN201810433678.7A Active CN108759242B (en) | 2017-06-29 | 2018-05-08 | Refrigerator, control system and control method thereof |
| CN201810432150.8A Active CN109442841B (en) | 2017-06-29 | 2018-05-08 | Control system and control method of refrigerator |
| CN201810432161.6A Active CN108826793B (en) | 2017-06-29 | 2018-05-08 | Refrigerator, control system and control method thereof |
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| CN201810433678.7A Active CN108759242B (en) | 2017-06-29 | 2018-05-08 | Refrigerator, control system and control method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710115A (en) * | 2020-12-29 | 2021-04-27 | 安徽康佳同创电器有限公司 | Dehumidification refrigerator and refrigerator drawer |
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| CN110131945A (en) * | 2018-02-08 | 2019-08-16 | 青岛海尔股份有限公司 | A kind of dry chamber component and the wind cooling refrigerator with it |
| CN110440518A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔智能技术研发有限公司 | A kind of method, apparatus for the preparation progress can determine prepared product, refrigerator |
| CN111351279A (en) * | 2018-12-21 | 2020-06-30 | 青岛海尔特种电冰柜有限公司 | Humidity control system, control method thereof and refrigerator |
| CN110470091A (en) * | 2019-09-09 | 2019-11-19 | 长虹美菱股份有限公司 | A kind of food preservation unit for refrigerator |
| CN110671888A (en) * | 2019-10-11 | 2020-01-10 | 合肥晶弘电器有限公司 | Refrigerator humidity control method, device and equipment, refrigerator system and drawer system thereof |
| CN112747526A (en) * | 2019-10-31 | 2021-05-04 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN112460901B (en) * | 2020-11-18 | 2021-11-16 | 珠海格力电器股份有限公司 | Refrigerator dehumidification control method and device and air-cooled refrigerator |
| CN114543410A (en) * | 2020-11-24 | 2022-05-27 | 青岛海尔特种电冰柜有限公司 | Control method of refrigeration appliance and refrigeration appliance |
| JP2022100915A (en) * | 2020-12-24 | 2022-07-06 | アクア株式会社 | refrigerator |
| JP2022100914A (en) * | 2020-12-24 | 2022-07-06 | アクア株式会社 | refrigerator |
| JP2022104678A (en) * | 2020-12-29 | 2022-07-11 | アクア株式会社 | refrigerator |
| CN116222084A (en) * | 2021-12-03 | 2023-06-06 | 青岛海尔电冰箱有限公司 | Refrigerator with a refrigerator body |
| CN116222085A (en) * | 2021-12-03 | 2023-06-06 | 青岛海尔电冰箱有限公司 | Refrigerator and drawer assembly thereof |
| CN114857820A (en) * | 2022-04-07 | 2022-08-05 | 安徽康佳同创电器有限公司 | Refrigerator with a door |
| CN114869084B (en) * | 2022-04-13 | 2024-03-12 | 澳柯玛股份有限公司 | Constant-humidity sealed drawer and working method |
| CN116518639B (en) * | 2023-06-29 | 2023-09-22 | 珠海格力电器股份有限公司 | Control method and device of refrigerator, storage medium and refrigerator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107314612A (en) | 2017-11-03 |
| CN108826793A (en) | 2018-11-16 |
| CN108826793B (en) | 2021-11-26 |
| CN108759242B (en) | 2021-11-26 |
| CN109442841B (en) | 2021-11-26 |
| CN108759242A (en) | 2018-11-06 |
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