CN107543351A - Refrigerator and its control method - Google Patents
Refrigerator and its control method Download PDFInfo
- Publication number
- CN107543351A CN107543351A CN201610487364.6A CN201610487364A CN107543351A CN 107543351 A CN107543351 A CN 107543351A CN 201610487364 A CN201610487364 A CN 201610487364A CN 107543351 A CN107543351 A CN 107543351A
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- Prior art keywords
- evaporator
- temperature
- control device
- fan
- compartment
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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
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- Defrosting Systems (AREA)
Abstract
The invention provides a kind of refrigerator, including the freezing compartment independently freezed and non-frozen compartment, for the refrigeration and defrosting system of the non-frozen compartment work, and control the control device of the refrigeration and defrosting system, wherein the refrigeration and defrosting system include being supplied to the evaporator of refrigerant, the cold air that the evaporator generates is delivered to the elements such as fan and the heater of the non-frozen compartment, the control device includes the circumstance temperature sensor of detection environment temperature, during the evaporator is stopped supply refrigerant, the control device controls the running status of the fan based on the ambient temperature value that the circumstance temperature sensor measures.So as to avoid it is non-frozen it is indoor produce excessive condensation on the inwall of refrigerating chamber side and it is non-frozen it is indoor drop down water, and then avoid the complaint for causing user.
Description
Technical field
The present invention relates to refrigerator art, more particularly to domestic refrigerator and its control method.
Background technology
Domestic refrigerator in use, the inevitably frosting on the evaporator of refrigerating chamber and refrigerating chamber, thus need
The heater of installation on an evaporator is periodically started to be defrosted to evaporator.When refrigerating chamber is not freezing, fan is usually
Operated in a manner of intermittently opening/stopping.Under relatively low ambient temperature conditions, the cooling time of refrigerating chamber is shorter rather than cooling time
It can lengthen, and in this non-brake method time, as the interval of fan opens/off-stream, the cold of evaporator can be transferred to cold
Room is hidden, evaporator temperature is risen above zero degree, the frost layer on evaporator can melt and form water vapour, in agitating for fan
Under, a large amount of water vapours are simultaneously blown into refrigerating chamber, so as to considerably increase the humidity of refrigerating chamber.Due to close refrigerating chamber in refrigerating chamber
The inner wall temperature of side is relatively low, causes the excessive water vapour in the too high refrigerating chamber of humidity easily in the relatively low inwall production of the temperature
Raw a large amount of condensations, so as to cause the use of user to be complained.
The content of the invention
The present invention solve the problems, such as be non-refrigerating chamber excessive condensation problem.
To solve the above problems, the invention provides a kind of refrigerator, including the freezing compartment independently freezed and non-cold
Freeze compartment, the refrigeration and defrosting system to be worked for the non-frozen compartment, and control the control of the refrigeration and defrosting system to fill
Put, wherein the refrigeration and defrosting system include being supplied to the evaporator of refrigerant, are delivered to the cold air that the evaporator generates
The elements such as the fan and heater of the non-frozen compartment, the control device include the circumstance temperature sensing of detection environment temperature
Device, during the evaporator is stopped supply refrigerant, ring that the control device is measured based on the circumstance temperature sensor
Border temperature value controls the running status of the fan.
As a further improvement on the present invention, during the evaporator is stopped supply refrigerant, when the circumstance temperature
When the environment temperature that sensor measures is less than specific environment temperature, the control device controls the fan to keep out of service
State.
As a further improvement on the present invention, during the evaporator is stopped supply refrigerant, when the sensing
When the environment temperature that device measures is higher than specific environment temperature, the control device controls the intermittent very brief operation of the fan pre-
Fix time.
As a further improvement on the present invention, the intermittent very brief operation scheduled time length of the fan is 30 seconds to 60
Between second.
As a further improvement on the present invention, during the evaporator is stopped supply refrigerant, the control dress
Put after starting defrost program, the control device controls the fan elder generation continuous service scheduled time.
As a further improvement on the present invention, the fan continuous service scheduled time length is 40 minutes.
As a further improvement on the present invention, the control device also includes the evaporator sensing of detection evaporator temperature
Device；In the defrost program, after the fan continuous service scheduled time, evaporator temperature that the evaporator sensor measures
When degree is less than predetermined evaporator temperature, the control device starts the heater work.
As a further improvement on the present invention, between the specific environment temperature value is 19 degree to 22 degree.
As a further improvement on the present invention, the non-frozen compartment is arranged to abut the refrigerating chamber of the freezing compartment
Or ice greenhouse.
Comprise the following steps corresponding to the control method of the refrigerator of one embodiment of the present invention：
A) stop compressor operating, stop supply evaporator refrigerant；
B) judge whether to start defrost program；
C) circumstance temperature sensor measures current ambient temperature value；
D) control device controls the running status of the fan based on the ambient temperature value that the circumstance temperature sensor measures.
As a further improvement on the present invention, the ambient temperature value that the control device is measured based on the circumstance temperature sensor
The step of controlling the running status of the fan is also included as follows step by step：When the environment temperature that the circumstance temperature sensor measures is low
When specific environment temperature, the control device controls the fan to keep state out of service.
As a further improvement on the present invention, the ambient temperature value that the control device is measured based on the circumstance temperature sensor
The step of controlling the running status of the fan is also included as follows step by step：When the environment temperature that the sensor measures is higher than pre-
When determining environment temperature, the control device controls the fan intermittent very brief operation scheduled time.
As a further improvement on the present invention, between the specific environment temperature is 19 degree to 22 degree.
As a further improvement on the present invention, the control device also includes the evaporator sensing of detection evaporator temperature
Device, described the step of judging whether to start defrost program, are also included as follows step by step：
A) stop compressor operating, stop supply evaporator refrigerant；
B) start fan and remain on the scheduled time；
C) fan is out of service, and evaporator sensor measures evaporator temperature values；
D) when the evaporator temperature that evaporator sensor measures is less than predetermined temperature, it is pre- that control device starts heater work
Fix time.
The beneficial effects of the invention are as follows：At relatively low ambient temperatures, in the period that non-frozen room need not freeze, protect
The halted state of fan is held, the cold of evaporator will not be taken in non-frozen room by fan, and the temperature of evaporator will not be rapid
Go up and remain to keep below the supercooled state of zero degree, the water vapour of condenser zone can be condensed in evaporator fin, steamed
The gas of the higher levels of humidity in hair device region will not be rapidly diffused into non-frozen room, non-frozen indoor close to refrigerating chamber so as to avoid
Excessive condensation is produced on the inwall of side and it is non-frozen it is indoor drop down water, and then avoid the complaint for causing user.
Brief description of the drawings
Fig. 1 is the refrigeration system schematic diagram of the refrigerator of one embodiment of the present invention；
Reference：100- refrigerators；10- freezes and defrosting system；The flow dividers of 11- first；The flow dividers of 12- second；1- is cold
Freeze compartment；2- refrigerator rooms；3- ice temperature compartments；4- compressors；5- condensers；6- ice temperature compartment evaporators；61- ice temperature compartment wind
Fan；7- refrigerator room evaporators；8- freezing compartment evaporator；81- freezing compartment fan.
Embodiment
The main inventive concept of the present invention is a kind of refrigerator, including the freezing compartment independently freezed and it is non-frozen between
Room, the refrigeration to be worked for the non-frozen compartment and defrosting system, and the control device of the refrigeration and defrosting system is controlled, its
In the refrigeration and defrosting system include being supplied to the evaporator of refrigerant, the cold air that the evaporator generates is delivered to it is described non-
The elements such as the fan and heater of freezing compartment, the control device includes the circumstance temperature sensor of detection environment temperature, in institute
State evaporator to be stopped during supplying refrigerant, the ambient temperature value that the control device is measured based on the circumstance temperature sensor
Control the running status of the fan.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Reference picture 1, the refrigerator of one embodiment of the present invention are arranged to have three storage compartments and independently
The side by side combination refrigerator of refrigeration.The refrigerator 100 includes 1, two non-frozen compartment of freezing compartment, the i.e. refrigeration positioned at refrigerator upper right side
Compartment 2 and ice temperature compartment 3 positioned at refrigerator lower right, refrigeration and defrosting system 10 and control the refrigeration and defrosting system 10
Control device (not shown).Wherein the refrigeration and defrosting system include compressor 4, condenser 5, are each independently three
The elements such as evaporator, fan and the heater (not shown) of compartment refrigeration are stored, control device includes detection environment temperature
The circumstance temperature sensor of degree and the evaporator sensor (not shown) of detection evaporator temperature.Refrigeration and defrosting system 10 have
Three be respectively above three storage compartment independent cooling kind of refrigeration cycle, it is each store compartment can independent control temperature.Institute
The kind of refrigeration cycle of meaning is primarily referred to as refrigerant, and each element circulates in refrigeration systems, such as with compressor 4 is starting point,
The refrigerant for releasing cold and absorbing storage compartment heat is sucked by compressor 4 in the form of a vapor, and is compressed into height
The steam of warm high pressure enters condenser 5 through piping, and refrigerant is distributed heat in outside air in condenser 5, and cold
Coagulate the liquid refrigerant for high pressure.Under the shunting of the first flow divider 11 and the second flow divider 12, liquid refrigerant can be controlled
Ground flows to ice temperature compartment evaporator 6, refrigerator room evaporator 7 and freezing compartment's evaporator 8 respectively, so as to separately to ice
Warm compartment 3, refrigerator room 2 and freezing compartment 1 are freezed, and realize that above three stores indoor cooling.Liquid refrigerant
Vapor refrigerant is vaporizated into after absorbing storage compartment heat and is sucked again by compressor 4, and and so on, refrigerant enters next
Circulation.The refrigerant flowed out from ice temperature compartment evaporator 6 and refrigerator room evaporator 7 typically all can first flow through freezing compartment's evaporation
Compressor 4 is flowed into after device 8 again, because the refrigerant flowed out from ice temperature compartment evaporator 6 and refrigerator room evaporator 7 also has
Some cold, it can be used for the heat of absorption refrigerating compartment 1.Wherein, control device can be by controlling the first flow divider
11 and second flow divider 12 and realize control refrigerant flow direction, so as to reach to ice temperature compartment 3, refrigerator room 2 and freezer
Room 1 carries out independent temperature control.
In the present embodiment, the temperature that is normally set up of freezing compartment 1 is 18 degrees below zero, and refrigerator room 2 is normally set up
Temperature is 2 degree to 6 degree, and the design temperature of ice temperature compartment 3 is then 0 degree to 3 degree.Freezing compartment 1 and ice temperature compartment 3 are all using air-cooled
Mode, and refrigerator room 2 is then to use direct-cooled mode, air cooling way and direct-cooled mode are systems well known to those skilled in the art
Cold mode, herein just not reinflated description, therefore those skilled in the art also can be appreciated that the ice temperature compartment abutted with freezing compartment 1
3 using air cooling way because easily there is the problem of excessive condensation in the present patent application storeroom chamber interior walls to be solved, and cold
Compartment 2 is hidden because using direct-cooled mode asking without the present patent application chamber interior walls excessive condensation in storeroom to be solved
Topic.
In ice temperature compartment 3, ice temperature compartment evaporator 6 is provided in the rear wall of ice temperature compartment 3 with evaporator cover plate (in figure
Do not show) between the space of evaporator (place be properly termed as evaporator room), ice temperature compartment fan 61 is to close on to be arranged at ice temperature
The top of compartment evaporator 6.Cold air is agitated by ice temperature compartment fan 61 and blows into ice temperature compartment made from ice temperature compartment evaporator 6
3 and realize refrigeration.In defrost, the heater for being heated to evaporator can be with the fin of ice temperature compartment evaporator 6 and
The adjoining common electrical heating wire being connected and fixed of refrigerant pipe.Evaporator sensor is disposed on ice temperature compartment evaporator
To detect the temperature sensor of evaporator temperature on 6, circumstance temperature sensor is set on refrigerator door to detect environment temperature
Temperature sensor, the temperature feedback that the two temperature sensors detect are handled to control device, and control device is according to place
Reason result sends corresponding control signal to compressor 4, condenser 5, ice temperature compartment evaporator 6, ice temperature compartment fan 61, heating
The elements such as device.
Similar with the structure of ice temperature compartment 3, freezing compartment's evaporator 8 is also disposed on rear wall and the evaporation of freezing compartment 3
Between device cover plate (not shown), freezing compartment's fan 81 is to close on the top for being arranged at freezing compartment's evaporator 8, will be freezed
Cold air made from compartment evaporator 8 is blown into freezing compartment 1.
Because the inner wall temperature of neighbouring freezing compartment 1 side in ice temperature compartment 3 is relatively low, such as humidity mistake in fruit ice temperature compartment 3
Height is easy for producing a large amount of condensations on the relatively low side inwall of said temperature, and then water is dropped down on inwall, causes embracing for user
Resentment.Especially under relatively low ambient temperature conditions, the refrigeration demand of ice temperature compartment 3 is few and cooling time is short rather than cooling time meeting
Correspondingly lengthen, in this non-brake method time, operated with the intermittence of ice temperature compartment fan 61, ice temperature compartment evaporator 6
Cold be transferred to ice temperature compartment 3 so that the temperature of ice temperature compartment evaporator 6 rapidly rises to be higher than zero degree, and ice temperature compartment steams
The frost layer of hair device 6 can melt and produce water vapour.Under the agitating of ice temperature compartment fan 61, caused water vapour is ceaselessly blown
Enter ice temperature compartment 3, cause the humidity in ice temperature compartment 3 too high, so as to produce above-mentioned excessive condensation problem.In order to solve the mistake
Condensation problem is spent, can be addressed by correcting the control method of refrigerator, i.e., stops refrigeration and ice temperature compartment in ice temperature compartment 3
During evaporator 6 is stopped supply refrigerant, control device changes ice temperature compartment according to the temperature that circumstance temperature sensor measures
The working condition of fan 61.Particularly, when the environment temperature that circumstance temperature sensor measures is less than specific environment temperature, control dress
Put control ice temperature compartment fan 61 and keep state out of service.The specific environment temperature is arranged between 19 degree to 22 degree.
In this way, the cold of ice temperature compartment evaporator 6 will not be taken in ice temperature compartment 3 by ice temperature compartment fan 61, the evaporation of ice temperature compartment
The temperature of device 6 will not rapidly go up and remain to keep below the supercooled state of zero degree, the water vapour in the region of ice temperature compartment evaporator 6
It can be condensed on the fin of ice temperature compartment evaporator 6, the gas of the higher levels of humidity in the region of ice temperature compartment evaporator 6 will not expand rapidly
Be scattered in ice temperature compartment 3, so as to avoid in ice temperature compartment 3 producing excessive condensation on the inwall of freezing compartment 1 side and
Water is dropped down in ice temperature compartment 3, and then avoids the complaint for causing user.
During ice temperature compartment 3 stops refrigeration and ice temperature compartment evaporator 6 is stopped supply refrigerant, when ice temperature compartment
When the environment temperature that sensor 6 measures is higher than specific environment temperature, control device control ice temperature compartment fan 61 is intermittent short
Promote the operation scheduled time.Preferably, the intermittent very brief operation scheduled time length of ice temperature compartment fan 61 is 30 seconds to 60
Between second.The now intermittent operating of ice temperature compartment fan 61 contributes to gas to be circulated in ice temperature compartment 3 so that between ice temperature
The more uniform temperature of the inside regional of room 3.Simultaneously because environment temperature is higher than specific environment temperature, the refrigeration of ice temperature compartment 3
Demand is more and cooling time is longer, and the corresponding non-brake method time is shorter.Within this shorter of non-brake method time, even if ice
Warm compartment fan 61, which is operated intermittently, is also difficult to make ice temperature compartment evaporator 6 to rise again rapidly to higher than zero degree, so as to go out
The existing region of ice temperature compartment evaporator 6 produces a large amount of water vapours and is diffused into ice temperature compartment 3 and causes excessive condensation problem.
Because refrigerator is regular progress defrost program, such as defrost is carried out according to time point or according to refrigerator open number.
During above-mentioned ice temperature compartment 3 stops refrigeration and ice temperature compartment evaporator 6 is stopped supply refrigerant, if refrigerator startupization
White program, control device can preferentially perform defrost program, i.e., first control the continuous running scheduled time of ice temperature compartment fan 61, this is held
Reforwarding row scheduled time length is preferably configured as 40 minutes so that ice temperature compartment evaporator 6 can be increased to its defrost temperature
Degree.If after the continuous running scheduled time of ice temperature compartment fan 61, the evaporator temperature that evaporator sensor measures is still small
When predetermined ice temperature compartment 6 defrost temperature of evaporator, control device will start the heater work scheduled time to heat ice temperature
Compartment evaporator 6 so that ice temperature compartment evaporator 6 can rise again to its defrost temperature, so as to reach good defrost effect.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (14)
1. a kind of refrigerator, including the freezing compartment independently freezed and non-frozen compartment, for the non-frozen compartment work
Refrigeration and defrosting system, and the control device of the refrigeration and defrosting system is controlled, wherein the refrigeration and defrosting system include quilt
Supply the evaporator of refrigerant, the cold air that the evaporator generates is delivered to the fan and heater of the non-frozen compartment
Deng element, the control device includes the circumstance temperature sensor of detection environment temperature, it is characterised in that is stopped in the evaporator
During supplying refrigerant, the control device controls the fan based on the ambient temperature value that the circumstance temperature sensor measures
Running status.
2. refrigerator as claimed in claim 1, it is characterised in that during the evaporator is stopped supply refrigerant, when
When the environment temperature that the circumstance temperature sensor measures is less than specific environment temperature, the control device controls the fan to keep stopping
The state only run.
3. refrigerator as claimed in claim 1, it is characterised in that during the evaporator is stopped supply refrigerant, when
When the environment temperature that the sensor measures is higher than specific environment temperature, the control device controls the fan intermittent short
Promote the operation scheduled time.
4. refrigerator as claimed in claim 3, it is characterised in that the intermittent very brief operation scheduled time length of the fan is
Between 30 seconds to 60 seconds.
5. refrigerator as claimed in claim 2 or claim 3, it is characterised in that during the evaporator is stopped supply refrigerant,
After the control device starts defrost program, the control device controls the fan elder generation continuous service scheduled time.
6. refrigerator as claimed in claim 5, it is characterised in that the fan continuous service scheduled time length is 40 minutes.
7. refrigerator as claimed in claim 5, it is characterised in that the control device also includes the evaporation of detection evaporator temperature
Device sensor；In the defrost program, after the fan continuous service scheduled time, steaming that the evaporator sensor measures
When hair device temperature is less than predetermined evaporator temperature, the control device starts the heater work.
8. refrigerator as claimed in claim 2 or claim 3, it is characterised in that between the specific environment temperature value is 19 degree to 22 degree.
9. refrigerator as claimed in claim 1, it is characterised in that the non-frozen compartment is arranged to abut the freezing compartment
Refrigerating chamber or ice greenhouse.
10. a kind of control method of refrigerator, the wherein refrigerator include the freezing compartment independently freezed and non-frozen compartment, it is
The refrigeration and defrosting system of the non-frozen compartment work, and the control device of control refrigerator operation, and the refrigeration and defrost
System includes the fan for being supplied to the evaporator of refrigerant, the cold air that the evaporator generates being delivered to the non-frozen compartment
And the element such as heater, the control device include the circumstance temperature sensor of detection environment temperature, this method comprises the following steps：
A) supply evaporator refrigerant is stopped；
B) judge whether to start defrost program；
C) circumstance temperature sensor measures current ambient temperature value；
Characterized by further comprising following steps：
D) control device controls the running status of the fan based on the ambient temperature value that the circumstance temperature sensor measures.
11. control method as claimed in claim 10, it is characterised in that the d) step is also included as follows step by step：Work as institute
When stating the environment temperature that circumstance temperature sensor measures and being less than specific environment temperature, the control device controls the fan to keep stopping
The state of operation.
12. control method as claimed in claim 10, it is characterised in that the d) step is also included as follows step by step：Work as institute
When stating the environment temperature that sensor measures and being higher than specific environment temperature, the control device controls the fan intermittent very brief
Run the scheduled time.
13. the control method as described in claim 11 or 12, it is characterised in that the specific environment temperature is 19 degree to 22 degree
Between.
14. control method as claimed in claim 10, it is characterised in that the control device also includes detection evaporator temperature
Evaporator sensor, the b) step also include it is following step by step：
A) supply evaporator refrigerant is stopped；
B) start fan and remain on the scheduled time；
C) fan is out of service, and evaporator sensor measures evaporator temperature values；
D) when the evaporator temperature that evaporator sensor measures is less than predetermined temperature, control device starts the pre- timing of heater work
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487364.6A CN107543351B (en) | 2016-06-28 | 2016-06-28 | Refrigerator and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487364.6A CN107543351B (en) | 2016-06-28 | 2016-06-28 | Refrigerator and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107543351A true CN107543351A (en) | 2018-01-05 |
| CN107543351B CN107543351B (en) | 2021-06-08 |
Family
ID=60962817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610487364.6A Active CN107543351B (en) | 2016-06-28 | 2016-06-28 | Refrigerator and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107543351B (en) |
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| CN111998605A (en) * | 2019-05-27 | 2020-11-27 | 博西华电器（江苏）有限公司 | Control method of refrigeration equipment and refrigeration equipment |
| CN112334044A (en) * | 2018-04-12 | 2021-02-05 | 开利公司 | Refrigerated sales cabinet |
| CN112984917A (en) * | 2021-04-13 | 2021-06-18 | 西安交通大学 | Medical storage box with adjustable temperature area and control method thereof |
| WO2021223779A1 (en) * | 2020-07-08 | 2021-11-11 | 重庆海尔制冷电器有限公司 | Control method for refrigerating and freezing device, and refrigerating and freezing device |
| CN113915868A (en) * | 2021-03-02 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
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| CN112984917A (en) * | 2021-04-13 | 2021-06-18 | 西安交通大学 | Medical storage box with adjustable temperature area and control method thereof |
| CN112984917B (en) * | 2021-04-13 | 2024-04-09 | 西安交通大学 | Medical storage box with temperature-adjustable area and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107543351B (en) | 2021-06-08 |
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