CN106123446A - A kind of wind cooling refrigerator and control method thereof - Google Patents
A kind of wind cooling refrigerator and control method thereof Download PDFInfo
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- CN106123446A CN106123446A CN201610793979.1A CN201610793979A CN106123446A CN 106123446 A CN106123446 A CN 106123446A CN 201610793979 A CN201610793979 A CN 201610793979A CN 106123446 A CN106123446 A CN 106123446A
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- 238000001816 cooling Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005057 refrigeration Methods 0.000 claims abstract description 62
- 238000004321 preservation Methods 0.000 claims abstract description 53
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000017531 blood circulation Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 20
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000006200 vaporizer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
- F25D2317/06—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 with forced air circulation
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a kind of wind cooling refrigerator and control method thereof, this wind cooling refrigerator includes cold room, relatively independent low humidity district it is provided with in cold room, high humidity district, Zhong Shi district, refrigeration blood circulation includes refrigeration evaporator, cold preservation blower fan, Zhong Shi district supply air duct, low humidity district supply air duct, high humidity district supply air duct, return airway, the cold wind of evaporator chamber is under the effect of cold preservation blower fan, respectively by Zhong Shi district supply air duct, low humidity district supply air duct and high humidity district supply air duct are one to one to Zhong Shi district, low humidity district and the air-supply of high humidity district, low humidity district air door and high humidity district air door it is provided with the most one to one in low humidity district supply air duct and high humidity district supply air duct, back, high humidity district is provided with return air inlet；Panel it is additionally provided with on refrigerator.The invention have the advantages that and achieve three moist gradients at cold room, three regions meet the storage request of all food materials, and regional is independent mutually, and food materials do not interact.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, in particular a kind of wind cooling refrigerator and control method thereof.
Background technology
Wind cooling refrigerator in the market is with dry zoning function, and its cardinal principle is to utilize the wind of wind cooling refrigerator own to follow
The exsiccation that ring has, is controlled by simple, a region is divided into dry district, and relative humidity, typically below 45%, is used
In depositing dry fruit, dried food and nuts etc.；Another region, by the way of seal cover board, moisture permeable membrane cooperation, makes this region relative humidity protect
Hold more than 95%, be used for depositing water fruits and vegetables etc..
There is several drawback in this technology, one, wet district regulated and controled by moisture film, the breathing waste heat after fruit and vegerable are put into easily makes
Wet district forms serious dew condensation phenomenon.If the harmful gass such as two, wet district is in the long-term unmanned state opened, ripening gas are easily become silted up
Long-pending three, the general cold room of dual system wind cooling refrigerator is not provided with defrosting heater, relies on each system for increasing system defrost reliability
Natural defrost during cold cycle stopping refrigeration is to vaporizer defrost, and it is left that natural defrost makes cooling compartment humidity be maintained at 65%
The right side, and energy consumption is had contribution, this realizes low humidity district in making dual system refrigerator the most difficult.Some products are in order to pursue low humidity
Realize, eliminate nature defrost, make energy consumption increase, defrost reliability reduce, cold room whole overall situation humidity the lowest
(about 30%), is unfavorable for the preservation of overall performance and other food materials.Four, too much sensor adds refrigerator cost, humidity
The characteristic of sensor determines its encapsulation can not accomplish 100% sealing, when user uses refrigerator, passes if there being excess moisture to enter
Inside sensor, its accuracy can be affected.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of wind cooling refrigerator and control method thereof.
The present invention is achieved by the following technical solutions:
A kind of wind cooling refrigerator, including cold room and refrigerating chamber, described cold room has independent refrigeration blood circulation,
Described refrigerating chamber has independent freezing cooling cycle system, described refrigeration blood circulation and freezing cooling cycle system altogether
With a compressor, being provided with relatively independent low humidity district and high humidity district in described cold room, described cold room is except described low
Region outside wet district and high humidity district is Zhong Shi district, described refrigeration blood circulation include refrigeration evaporator, cold preservation blower fan, in wet
District's supply air duct, low humidity district supply air duct, high humidity district supply air duct, return airway, described cold room back is provided with vaporizer
Chamber, described refrigeration evaporator is arranged in evaporator chamber, and described cold preservation blower fan is positioned at above described refrigeration evaporator, described evaporation
The cold wind in device chamber under the effect of described cold preservation blower fan, respectively by described Zhong Shi district supply air duct, low humidity district supply air duct and
High humidity district supply air duct one to one to described Zhong Shi district, low humidity district and high humidity district blow, described low humidity district supply air duct and
Being provided with low humidity district air door and high humidity district air door in high humidity district supply air duct the most one to one, back, described high humidity district is provided with
Return air inlet, described return airway connects described return air inlet and described evaporator chamber；Panel it is additionally provided with on described refrigerator, described cold
Hide vaporizer and be provided with evaporator temperature sensor, in described Zhong Shi district, be provided with refrigerated storage temperature sensor, described compressor, cold preservation
Blower fan, low humidity district air door, high humidity district air door, evaporator temperature sensor and refrigerated storage temperature sensor are electric with described panel respectively
Connect.
As the preferred implementation of above-mentioned wind cooling refrigerator, described Zhong Shi district, low humidity district and high humidity district one_to_one corresponding respectively
Be provided with Zhong Shi district air outlet, low humidity district air outlet and high humidity district air outlet.
As the preferred implementation of above-mentioned wind cooling refrigerator, described low humidity district is by low humidity district drawer and is arranged at described low
Low humidity district light sealing cover plate above wet district drawer surrounds.
As the preferred implementation of above-mentioned wind cooling refrigerator, described high humidity district is by high humidity district drawer and is arranged at described height
High humidity district light sealing cover plate above wet district drawer surrounds.
As the preferred implementation of above-mentioned wind cooling refrigerator, between described low humidity district and high humidity district, it is provided with a baffler.
The invention also discloses the control method of a kind of wind cooling refrigerator, described control method is based on the above-mentioned air-cooled ice of one
Case, described control method is carried out as follows:
(1) when refrigerated storage temperature sensor detects that the temperature in Zhong Shi district reaches default starting point Ton, then cold preservation is opened
Blower fan, low humidity district air door and high humidity district air door remain turned-off, under the effect of cold preservation blower fan, the moderate amount of moisture in evaporator chamber
Cold wind sends into Zhong Shi district via Zhong Shi district supply air duct, then via return air inlet Returning evaporimeter chamber；
(2) until evaporator temperature sensor detects when the real time temperature of refrigeration evaporator reaches the 3rd preset value T3,
Closing cold preservation blower fan, simultaneously compressor start, the cold-producing medium in the pipeline of refrigeration evaporator starts evaporation endothermic from entrance point, cold
The pipe surface temperature hiding vaporizer reduces rapidly, and by the real time temperature of evaporator temperature sensor detection refrigeration evaporator；
(3) when evaporator temperature sensor detects that the real time temperature of refrigeration evaporator drops to the first preset value T1, open
Opening cold preservation blower fan, open low humidity district air door simultaneously, under the effect of cold preservation blower fan, the low temperature and low humidity cold wind in evaporator chamber is divided into
Two-way, Zhong Shi district is sent into via Zhong Shi district supply air duct in a road；Low humidity district, low humidity are sent into via low humidity district supply air duct in another road
In district, pressure raises, and is ejected by the gas in low humidity district before；The most again by return air inlet Returning evaporimeter chamber, complete refrigeration and follow
Ring；Until refrigerated storage temperature sensor detects when the temperature in Zhong Shi district reaches default break point Toff, close cold preservation blower fan and
Low humidity district air door；
(4) judge whether Zhong Shi district cooling time has reached preset time period X, if then entering step (5), if otherwise
Return step (1)；
(5) high humidity district carrying out air displacement action, described air displacement action refers to: open high humidity district air door, cold
When the temperature of Tibetan temperature sensor detection reaches default break point Toff, cold preservation blower fan remains in operation, until evaporator temperature
Turn off cold preservation blower fan and high humidity district air door when the temperature recovery of sensor detection is to the second preset value T2, complete the sky in high humidity district
Gas is replaced；
Wherein, Toff ＜ Ton, T1 ＜ T2 ＜ T3.
As the preferred implementation of above-mentioned control method, the span of described first preset value T1 is 0 DEG C～-25
℃。
As the preferred implementation of above-mentioned control method, the span of described second preset value T2 is-5 DEG C～8 DEG C,
The span of described preset time period X is 1～36 hour.
As the preferred implementation of above-mentioned control method, the span of described 3rd preset value T3 is 1 DEG C～8 DEG C.
The present invention has the advantage that compared to existing technology
A kind of wind cooling refrigerator of present invention offer and control method thereof, it is provided with two relatively independent low humidities at cold room
District and high humidity district, remaining region of cold room is Zhong Shi district, and low humidity district, high humidity district and Zhong Shi district have the most independent air-supply wind
Road, high humidity district is located on front side of return air inlet, is respectively equipped with air door in the respective supply air duct in high and low wet district, according to evaporator temperature
Sensor and the temperature of refrigerated storage temperature sensor acquisition and Zhong Shi district cooling time accumulative, controls compressor, cold preservation wind
Being turned on and off and opening the persistent period of machine and each air door, thus achieve three moist gradients, low humidity at cold room
The humidity in district maintains between 20%～50%；The humidity in Zhong Shi district maintains between 50%～70%；The humidity dimension in high humidity district
Hold between 70～99%.And control method is simple, three regions meet the storage request of all food materials, and structure is done
Having arrived regional independent mutually, food materials do not interact.By the control to air door, the cold wind that timing just moistens directly draws
Enter high humidity district it is taken a breath, remove the harmful gas that high humidity district produces because of long-time sealing, and avoid high humidity district dew condensation phenomenon to send out
Give birth to, it is not necessary to defrosting heater and excessively multisensor, defrost reliability can be realized and take into account humid control.
Accompanying drawing explanation
Fig. 1 is the wind cooling refrigerator front view of the present invention.
Fig. 2 is the low humidity district side view of the wind cooling refrigerator of the present invention.
Fig. 3 is the high humidity district side view of the wind cooling refrigerator of the present invention.
The wind cooling refrigerator cooling compartment humidity characteristics figure of Fig. 4 present invention.
Label in figure: 1 Zhong Shi district, 2 low humidity districts, 21 low humidity district light sealing cover plates, 22 low humidity district drawers, 261 is low
Wet district air door, 262 low humidity district supply air ducts, 263 low humidity district air outlets, 3 high humidity districts, 31 high humidity district light sealing cover plates,
32 high humidity district drawers, 361 high humidity district air doors, 362 high humidity district supply air ducts, 363 high humidity district air outlets, 4 cold preservation blower fans, 5
Refrigeration evaporator, 51 evaporator temperature sensors, 6 ducting systems, 611 Zhong Shi district air outlets, 7 return air inlets, 8 bafflers,
9 refrigerated storage temperature sensors, 10 panels.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following enforcement
Example.
Seeing Fig. 1 to Fig. 3, present embodiment discloses a kind of wind cooling refrigerator, including cold room and refrigerating chamber, cold room has
Independent refrigeration blood circulation, refrigerating chamber has an independent freezing cooling cycle system, refrigeration blood circulation and cold
Freeze cooling cycle system and share a compressor, in cold room, be provided with relatively independent low humidity district 2 and high humidity district 3, cold room
Region in addition to low humidity district 2 and high humidity district 3 is Zhong Shi district 1, and low humidity district 2 is by low humidity district drawer 22 and is arranged at low humidity district and takes out
Low humidity district light sealing cover plate 21 above drawer 22 surrounds, and high humidity district 3 is by high humidity district drawer 32 and is arranged at high humidity district drawer
High humidity district light sealing cover plate 31 above in the of 32 surrounds, and is provided with a baffler 8 between low humidity district 2 and high humidity district 3.Low humidity district is light
Matter seal cover board 21 or high humidity district light sealing cover plate 31 can be suspended on baffler 8, cold room inner bag rib or shelf above it
Fit structure on realize install.
Refrigeration blood circulation includes refrigeration evaporator 5, cold preservation blower fan 4 and ducting system 6, during ducting system 6 includes
Wet district 1 supply air duct, low humidity district supply air duct 262, high humidity district supply air duct 362, return airway, cold room back is provided with steaming
Sending out device chamber, refrigeration evaporator 5 is arranged in evaporator chamber, and cold preservation blower fan 4 is positioned at above refrigeration evaporator 5, evaporator chamber cold
Wind is under the effect of cold preservation blower fan 4, respectively by Zhong Shi district 1 supply air duct, low humidity district supply air duct 262 and high humidity district air-supply wind
Road 362 one to one to Zhong Shi district 1, low humidity district 2 and high humidity district 3 blow, low humidity district supply air duct 262 and high humidity district air-supply wind
Being provided with low humidity district air door 261 and high humidity district air door 361 in road 362 the most one to one, back, high humidity district 3 is provided with return air inlet
7, return airway connection return air inlet 7 and evaporator chamber；Being additionally provided with panel 10 on refrigerator, refrigeration evaporator 5 is provided with vaporizer
Temperature sensor 51, is provided with refrigerated storage temperature sensor 9, compressor, cold preservation blower fan 4, low humidity district air door 261, high humidity in Zhong Shi district 1
District's air door 361, evaporator temperature sensor 51 and refrigerated storage temperature sensor 9 electrically connect with panel 10 respectively.
Wherein, Zhong Shi district 1, low humidity district 2 and high humidity district 3 are provided with Zhong Shi district air outlet 611, low humidity district the most one to one
Air outlet 263 and high humidity district air outlet 363, send with Zhong Shi district 1 supply air duct, low humidity district supply air duct 262 and high humidity district respectively
Wind air channel 362 one_to_one corresponding connection.
Low humidity district air door 261 is set in low humidity district supply air duct 262, can be used to control the air-supply moment in low humidity district 2, with
Time for stop cold room stop refrigeration time from evaporator chamber damp atmosphere enter low humidity district 2.At high humidity district air-supply wind
High humidity district air door 361 is set in road 362, can be used to control the start-up time of the air displacement action in high humidity district 3, by high humidity low temperature
Air sends into high humidity district 3, and when being simultaneously used for stopping refrigeration chamber, the low temperature and low humidity air from evaporator chamber enters high humidity district
3。
High humidity district 3 is located on front side of return air inlet 7 by this wind cooling refrigerator, owing to clammy air specific weight is relatively big, and particularly cold room
After stopping refrigeration, wind circulation stops, and now cooling compartment generation cold air sinkage, in evaporator chamber, cold air is also by return air
Mouthfuls 7 sedimentations, two bursts of temperature, the air that water capacity is different mix mutually, cause return air inlet 7 front relative humidity relatively big, thus ensure
The humidity in high humidity district 3 is higher.
By low humidity district light sealing cover plate 21, low humidity district 2 being carried out opposing seal, low humidity district supply air duct 262 introduces low
In the sealing area in wet district 2, by controlling the opening time of low humidity district air door 261, to be dried cold wind for low humidity district 2 conveying, stop
Closing low humidity district air door 261 during machine, low humidity district light sealing cover plate 21 falls stop extraneous highly humid air entrance naturally, allows low humidity
District 2 rises again naturally；
By high humidity district light sealing cover plate 31, high humidity district 3 being carried out opposing seal, high humidity district supply air duct 362 introduces height
In the sealing area in wet district 3, when panel 10 judges that Zhong Shi district 1 cooling time has reached preset time period X, start high humidity
The air displacement action in district 3, i.e. utilizes cold room to stop refrigeration, and when frost water sublimate-thawing is not dripped, evaporator chamber humidity is relatively
During this period of time, cold preservation blower fan 4 continues to run with height, opens high humidity district air door 361 simultaneously, carries high humidity cold wind for high humidity district 3, will
The harmful gas of the internal alluvial in high humidity district 3 ejects, and completes the air displacement in high humidity district 3.High humidity district light sealing cover plate 31 can hinder
The extraneous low humidity cold wind of gear enters, and allows high humidity district 3 keep less moisture fluctuation.
By controlling cold preservation blower fan 4 opening time, the wet district of centering 1 carries out humid control, utilization frost water sublimate-thawing-drip
Fall behind in a period of time, when evaporator chamber humidity decreases, open the wet district of cold preservation blower fan 4 centering 1 and carry out humidification action, this
Time low humidity district air door 261 and high humidity district air door 361 close, Zhong Shi district 1 action that is humidified takes full advantage of more than refrigeration evaporator 5 waste cold
Wet, extend downtime, favourable to complete machine energy consumption and defrost reliability.
Referring also to Fig. 4, in Fig. 4, A line is high humidity district 3 moisture curve, B Xian Weizhongshi district 1 moisture curve, and C line is low humidity
District 2 moisture curve, D line is compressor horsepower curve.
The present embodiment also discloses the control method of above-mentioned wind cooling refrigerator, and this control method is carried out as follows:
(1) when refrigerated storage temperature sensor 9 detects that the temperature in Zhong Shi district 1 reaches default starting point Ton, then open cold
Hiding blower fan 4, low humidity district air door 261 and high humidity district air door 361 remain turned-off, under the effect of cold preservation blower fan 4, in evaporator chamber
The cold wind of moderate amount of moisture sends into Zhong Shi district 1 via Zhong Shi district 1 supply air duct, then via return air inlet 7 Returning evaporimeter chamber；Until
Till refrigerated storage temperature sensor 9 detects that the temperature in Zhong Shi district 1 reaches the 3rd preset value T3；
I-stage in this stage corresponding diagram 4, before this I-stage starts, the pipeline pressure of refrigeration evaporator 5 tends to flat
Weighing apparatus, the frost that refrigeration evaporator 5 condenses is complete distillation, becomes an aqueous water drippage part to outside refrigerator.Now open
Cold preservation blower fan 4, can promote that remaining water evaporates from refrigeration evaporator 5, it is ensured that during refrigeration next time, will not on refrigeration evaporator 5
Remaining substantial amounts of water causes frost stifled；The most now the surface temperature of refrigeration evaporator 5 is still less than starting point Ton, opens cold preservation
Blower fan 4 is conducive to the temperature in Zhong Shi district 1 to reduce, and extends downtime, favourable to energy consumption.
During this I-stage, the state in Zhong Shi district 1 is: in evaporator chamber, the cold wind of moderate amount of moisture is blown via Zhong Shi district
Mouth 611 is fed through Zhong Shi district 1, and now Zhong Shi district 1 humidity is rapidly from being increased to about 80% and maintaining the long period, the coldest
Gas is from return air inlet 7 Returning evaporimeter chamber, in the process, owing to return air inlet 7 is positioned at region, high humidity district 3, cold air deposition
High humidity district 3 humidity is made to maintain higher level.
(2) until evaporator temperature sensor 51 detects that the real time temperature of refrigeration evaporator 5 reaches the 3rd preset value T3
Time, close cold preservation blower fan 4, simultaneously compressor start, the cold-producing medium in the pipeline of refrigeration evaporator 5 starts evaporation from entrance point and inhales
Heat, the pipe surface temperature of refrigeration evaporator 5 reduces rapidly, and is detected refrigeration evaporator 5 by evaporator temperature sensor 51
Real time temperature；Until evaporator temperature sensor 51 detects that the real time temperature of refrigeration evaporator 5 drops to the first preset value T1 and is
Only；
II stage in this stage corresponding diagram 4, in this II stage:
The state in Zhong Shi district 1 is: due to the closedown of cold preservation blower fan 4, makes the cold of refrigeration evaporator 5 cannot arrive Zhong Shi district
1, rise by a small margin so the humidity in Shi Zhongshi district 1 still has, be maintained at about 80% floating；
The state in low humidity district 2 is: due to the closedown of cold preservation blower fan 4, and low humidity district air door 261 also remains off, and makes
The cold of refrigeration evaporator 5 cannot arrive low humidity district 2, so time low humidity district 2 in humidity still have and rise by a small margin, be maintained at
About 40% floats；
The state in high humidity district 3 is: due to the closedown of cold preservation blower fan 4, and high humidity district air door 361 also remains off, and makes
The cold of refrigeration evaporator 5 cannot arrive high humidity district 3, so time high humidity district 3 in humidity still have and rise by a small margin, be maintained at
More than 95%.
(3) when evaporator temperature sensor 51 detects that the real time temperature of refrigeration evaporator 5 drops to the first preset value T1,
Open cold preservation blower fan 4, open low humidity district air door 261, the low temperature and low humidity under the effect of cold preservation blower fan 4, in evaporator chamber simultaneously
Cold wind is divided into two-way, and Zhong Shi district 1 is sent into via Zhong Shi district 1 supply air duct in a road；Another road is sent via low humidity district supply air duct 262
Entering low humidity district 2, in low humidity district 2, pressure raises, and low humidity district light sealing cover plate 21 is backed down micro gap, by low humidity district 2 it
Front gas ejects；The most again by return air inlet 7 Returning evaporimeter chamber, complete kind of refrigeration cycle；Until refrigerated storage temperature sensor 9 detects
When temperature to Zhong Shi district 1 reaches default break point Toff, close cold preservation blower fan 4 and low humidity district air door 261；
In III stage in this stage corresponding diagram 4, in this III stage, open because of cold preservation blower fan 4 and will also result in cold preservation evaporation
The superheating phenomenon of device 5, but the temperature of refrigeration evaporator 5 maintains reduced levels all the time, has good dehumidifying effect, it is ensured that cold
The cold wind humidity that Tibetan blower fan 4 is sent from evaporator chamber maintains low-level.
In this III stage:
The state in Zhong Shi district 1 is: due to the unlatching of cold preservation blower fan 4, and low temperature and low humidity cold wind is directly by Zhong Shi district air outlet 611
Send in Zhong Shi district 1, cause Zhong Shi district 1 humidity be rapidly decreased to about 30% and maintain；
The state in low humidity district 2 is: meanwhile open low humidity district air door 261, by the cold wind of low temperature and low humidity via low humidity district
Supply air duct 262 is sent directly in the low humidity district 2 of opposing seal, and in low humidity district 2, pressure increases, by gas higher for previous humidity
Eject outside low humidity district 2, then from return air inlet 7 Returning evaporimeter chamber；
The state in high humidity district 3: owing to high humidity district air door 361 is closed mode, therefore the humidity in high humidity district 3 still keeps high
Level, due to change and the swabbing of wind of ambient temperature, the humidity in high humidity district 3 has and slightly declines, but high humidity district 3
Humidity minimum point totally maintains about 90%.
After III stage terminated, i.e. close IV in a period of time corresponding diagram 4 after cold preservation blower fan 4 and low humidity district air door 261
In the stage, in IV stage, the state of cold room regional is:
The state in Zhong Shi district 1: humidity starts to be raised slowly to about 50%.
The state in low humidity district 2: the closedown of low humidity district air door 261 makes the temperature humidity in low humidity district 2 start slowly to rise, wet
Degree peak is at 50%-60%.
The state in high humidity district 3: the closedown of high humidity district air door 361 makes the temperature humidity in high humidity district 3 slowly rise, humidity is
High point is more than 95%.
Above I-stage, II stage, III stage and IV stage constitutes a typical cooling cycle of wind cooling refrigerator.
(4) judge whether Zhong Shi district 1 cooling time has reached preset time period X, if then entering step (5), if not
Then return step (1)；
(5) high humidity district 3 carrying out air displacement action, air displacement action refers to: open high humidity district air door 361, cold
When the temperature of Tibetan temperature sensor 9 detection reaches default break point Toff, cold preservation blower fan 4 remains in operation, until vaporizer temperature
Cold preservation blower fan 4 and high humidity district air door 361 is turned off when the temperature recovery of degree sensor 51 detection is to the second preset value T2, simultaneously can
Close the refrigeration path towards refrigeration evaporator 5 by switching solenoid valve, complete the air displacement in high humidity district 3；Now
Cold-producing medium is gradually back to low-pressure end in refrigeration evaporator 5, causes the frost on refrigeration evaporator 5 surface to start to be sublimed into water and steams
Gas, the air humidity of evaporator chamber is the highest (general more than 95%).
In V stage in this stage corresponding diagram 4, high humidity district air door 361 only opens in the V stage, and remaining time is all to close
State, in V stage, the state of cold room regional is:
The state in Zhong Shi district 1: high humidity cold wind is sent in Zhong Shi district 1 through Zhong Shi district air outlet 611, Shi Zhongshi district 1 internal phase
Higher relative to I-stage, typically more than 85% to humidity；
The state in low humidity district 2: due to the closedown of low humidity district air door 261, makes low humidity district 2 humidity slowly rise, but low humidity
District's light sealing cover plate 21 is it cannot be guaranteed that fully seal, Gu now humidity peak relatively II stage wants height；
The state in high humidity district 3: due to the unlatching of high humidity district air door 361, cold wind sends into the cold wind humidity of initial stage feeding may
In not having high humidity district 3, original gas humidity is high, therefore the humidity in high humidity district 3 may be made to decrease, and blast backs down high humidity
District's light sealing cover plate 31, has ejected the air displacement in high humidity district 3, then by the harmful gas of internal for high humidity district 3 alluvial
Return air returns to evaporator chamber via return air inlet 7, completes except condensation and displacement action；But along with the frost acceleration on refrigeration evaporator 5
Distillation, in evaporator chamber, cold wind humidity raises the most rapidly, causes high humidity district 3 humidity to raise rapidly, therefore total to high humidity district 3
The impact of body humidity is little.
Wherein, Toff ＜ Ton, T1 ＜ T2 ＜ T3, the span of the first preset value T1 is 0 DEG C～-25 DEG C.Second presets
The span of value T2 is-5 DEG C～8 DEG C, and the span of preset time period X is 1～36 hour.The value of the 3rd preset value T3
Scope is 1 DEG C～8 DEG C.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Any amendment, equivalent and the improvement etc. made within principle, should be included within the scope of the present invention.
Claims (9)
1. a wind cooling refrigerator, including cold room and refrigerating chamber, described cold room has independent refrigeration blood circulation, institute
Stating refrigerating chamber and have independent freezing cooling cycle system, described refrigeration blood circulation shares with freezing cooling cycle system
One compressor, it is characterised in that: being provided with relatively independent low humidity district and high humidity district in described cold room, described cold room removes
Region outside described low humidity district and high humidity district is Zhong Shi district, and described refrigeration blood circulation includes refrigeration evaporator, cold preservation
Blower fan, Zhong Shi district supply air duct, low humidity district supply air duct, high humidity district supply air duct, return airway, described cold room back is arranged
Having evaporator chamber, described refrigeration evaporator to be arranged in evaporator chamber, described cold preservation blower fan is positioned at above described refrigeration evaporator,
The cold wind of described evaporator chamber, under the effect of described cold preservation blower fan, is sent by described Zhong Shi district supply air duct, low humidity district respectively
Wind air channel and high humidity district supply air duct are blown to described Zhong Shi district, low humidity district and high humidity district one to one, and described low humidity district send
Low humidity district air door and high humidity district air door, described high humidity district it is provided with the most one to one in wind air channel and high humidity district supply air duct
Back is provided with return air inlet, and described return airway connects described return air inlet and described evaporator chamber；It is additionally provided with control on described refrigerator
Plate, described refrigeration evaporator is provided with evaporator temperature sensor, is provided with refrigerated storage temperature sensor, described pressure in described Zhong Shi district
Contracting machine, cold preservation blower fan, low humidity district air door, high humidity district air door, evaporator temperature sensor and refrigerated storage temperature sensor respectively with institute
State panel electrical connection.
2. a kind of wind cooling refrigerator as claimed in claim 1, it is characterised in that: described Zhong Shi district, low humidity district and high humidity district are respectively
It is provided with Zhong Shi district air outlet, low humidity district air outlet and high humidity district air outlet one to one.
3. a kind of wind cooling refrigerator as claimed in claim 1, it is characterised in that: described low humidity district is by low humidity district drawer and setting
Low humidity district light sealing cover plate above described low humidity district drawer surrounds.
4. a kind of wind cooling refrigerator as claimed in claim 1, it is characterised in that: described high humidity district is by high humidity district drawer and setting
High humidity district light sealing cover plate above described high humidity district drawer surrounds.
5. a kind of wind cooling refrigerator as claimed in claim 1, it is characterised in that: it is provided with one between described low humidity district and high humidity district
Baffler.
6. the control method of a wind cooling refrigerator, it is characterised in that described control method is based on such as any one of claim 1 to 5
Described a kind of wind cooling refrigerator, described control method is carried out as follows:
(1) when refrigerated storage temperature sensor detects that the temperature in Zhong Shi district reaches default starting point Ton, then cold preservation wind is opened
Machine, low humidity district air door and high humidity district air door remain turned-off, under the effect of cold preservation blower fan, and the moderate amount of moisture in evaporator chamber cold
Wind sends into Zhong Shi district via Zhong Shi district supply air duct, then via return air inlet Returning evaporimeter chamber；
(2) until evaporator temperature sensor detects when the real time temperature of refrigeration evaporator reaches the 3rd preset value T3, close
Cold preservation blower fan, simultaneously compressor start, the cold-producing medium in the pipeline of refrigeration evaporator starts evaporation endothermic from entrance point, and cold preservation is steamed
The pipe surface temperature sending out device reduces rapidly, and by the real time temperature of evaporator temperature sensor detection refrigeration evaporator；
(3) when evaporator temperature sensor detects that the real time temperature of refrigeration evaporator drops to the first preset value T1, open cold
Hiding blower fan, open low humidity district air door simultaneously, under the effect of cold preservation blower fan, the low temperature and low humidity cold wind in evaporator chamber is divided into two
Road, Zhong Shi district is sent into via Zhong Shi district supply air duct in a road；Low humidity district, low humidity district are sent into via low humidity district supply air duct in another road
Interior pressure raises, and is ejected by the gas in low humidity district before；The most again by return air inlet Returning evaporimeter chamber, complete kind of refrigeration cycle；
Until refrigerated storage temperature sensor detects when the temperature in Zhong Shi district reaches default break point Toff, close cold preservation blower fan and low humidity
District's air door；
(4) judge whether Zhong Shi district cooling time has reached preset time period X, if then entering step (5), if otherwise returning
Step (1)；
(5) high humidity district carrying out air displacement action, described air displacement action refers to: open high humidity district air door, in cold preservation temperature
When the temperature of degree sensor detection reaches default break point Toff, cold preservation blower fan remains in operation, until evaporator temperature sensing
Turning off cold preservation blower fan and high humidity district air door when the temperature recovery of device detection is to the second preset value T2, the air completing high humidity district is put
Change；
Wherein, Toff ＜ Ton, T1 ＜ T2 ＜ T3.
The control method of a kind of wind cooling refrigerator the most as claimed in claim 6, it is characterised in that described first preset value T1 takes
Value scope is 0 DEG C～-25 DEG C.
The control method of a kind of wind cooling refrigerator the most as claimed in claim 6, it is characterised in that described second preset value T2 takes
Value scope is-5 DEG C～8 DEG C, and the span of described preset time period X is 1～36 hour.
The control method of a kind of wind cooling refrigerator the most as claimed in claim 6, it is characterised in that described 3rd preset value T3 takes
Value scope is 1 DEG C～8 DEG C.
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| CN201610793979.1A CN106123446B (en) | 2016-08-31 | 2016-08-31 | A kind of wind cooling refrigerator and its control method |
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| CN106123446B CN106123446B (en) | 2018-11-13 |
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| CN107421216A (en) * | 2017-05-02 | 2017-12-01 | 海信（山东）冰箱有限公司 | A kind of ducting assembly and refrigerator for multi-temperature zone refrigerating chamber |
| CN108759248A (en) * | 2018-07-24 | 2018-11-06 | 海信（山东）冰箱有限公司 | A kind of wind cooling refrigerator |
| WO2018205515A1 (en) * | 2017-05-11 | 2018-11-15 | 合肥华凌股份有限公司 | Refrigerator |
| CN109798726A (en) * | 2019-03-21 | 2019-05-24 | 合肥华凌股份有限公司 | Freeze storage box, quick-frozen humidifying controlling method and refrigeration equipment |
| CN109838952A (en) * | 2017-11-27 | 2019-06-04 | 博西华电器（江苏）有限公司 | A kind of refrigeration equipment |
| CN109983288A (en) * | 2016-11-21 | 2019-07-05 | Bsh家用电器有限公司 | Refrigerating appliance with the optimal storage cell compartment of air humidity |
| CN109990546A (en) * | 2019-03-29 | 2019-07-09 | 长虹美菱股份有限公司 | A kind of refrigerator frost removing method and device |
| CN110081648A (en) * | 2019-05-30 | 2019-08-02 | 罗优才 | A kind of temperature, the adjustable heating-cooling equipment of humidity |
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