CN106679320B - Refrigerating device and its control method - Google Patents
Refrigerating device and its control method Download PDFInfo
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- CN106679320B CN106679320B CN201611132807.6A CN201611132807A CN106679320B CN 106679320 B CN106679320 B CN 106679320B CN 201611132807 A CN201611132807 A CN 201611132807A CN 106679320 B CN106679320 B CN 106679320B
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- controlled atmosphere
- aspiration pump
- refrigerating device
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- atmosphere space
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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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
- 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
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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
- 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
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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
- 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
- F25D2317/04—Treating air flowing to refrigeration compartments
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
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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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a kind of refrigerating device and its control methods, and wherein control method includes: to close after opening aspiration pump and the first preset time of continuous service, so that controlled atmosphere space interior nitrogen gas concn reaches preset concentration threshold value；Whether detection controlled atmosphere space is opened and is then turned off；If so, control aspiration pump is opened, and is closed after the first preset time of continuous service waiting controlled atmosphere space to be closed to up to after the second preset time.In the subsequent use process of refrigerating device, if controlled atmosphere space open-close detection apparatus detects that controlled atmosphere space opens and closes, prove that user has used controlled atmosphere space, this will lead to controlled atmosphere space interior nitrogen and leaks, and nitrogen gas concn reduces.Therefore it needs aspiration pump to be evacuated again, so that the nitrogen gas concn in controlled atmosphere space maintains in the concentration range for being conducive to food fresh-keeping, persistently provides the fresh-keeping atmosphere of rich nitrogen oxygen deprivation for food.
Description
Technical field
The present invention relates to refrigerating field, in particular to a kind of refrigerating device and its control method.
Background technique
Controlled atmosphere technology generally refers to the atmosphere (gas componant by adjusting enclosure space locating for storage object
Ratio or gas pressure) mode come come the technology that extends shelf life of food products, basic principle are as follows: in certain enclosure space
It is interior, the atmosphere different from normal air constituent is obtained by various regulative modes, to inhibit to cause storage object (usually to eat
Material) putrid and deteriorated physiological and biochemical procedure and microorganism activity.Particularly, in this application, the controlled atmosphere discussed will
Specifically in the controlled atmosphere technology that gas component ratio is adjusted.
Those skilled in the art know that normal air constituent includes (pressing volume percentage, hereafter together): about 78%
Nitrogen, about 21% oxygen, the carbon dioxide of about 0.939% rare gas 0.031% and 0.03% other gases and
Impurity is (for example, ozone, nitric oxide, nitrogen dioxide, vapor etc..In controlled atmosphere field, generallys use and filled to enclosure space
Enter nitrogen-rich gas to reduce the mode of oxygen content and obtain the fresh-keeping atmosphere of rich nitrogen oxygen deprivation.Here, those skilled in the art
Member knows that nitrogen-rich gas refers to that nitrogen content is more than the gas of nitrogen content in above-mentioned normal air, such as nitrogen therein
Content can be 95%~99%, even higher；And the fresh-keeping atmosphere of rich nitrogen oxygen deprivation refers to that nitrogen content is more than above-mentioned normal
Nitrogen content, oxygen content are lower than the atmosphere of oxygen content in above-mentioned normal air in air.
Although the history of controlled atmosphere technology can be traced by 1821 German biologist and find fruit and vegetable in hypoxemia water
It usually can be reduced metabolism to start.But up to this point, since the equipment of making nitrogen volume for being conventionally used to controlled atmosphere is huge
Greatly, with high costs, cause the technology to be substantially also limited to using (the storage capacity one on the professional storage of various large sizes
As at least 30 tons or more).It can be said that being likely to economically using which kind of gas regulation technology appropriate and related device by controlled atmosphere
System compact, mute make it is suitable for family or personal user, are that controlled atmosphere field technical staff thirsts for solving always
But the technical problem for the solution that fails always.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State the refrigerating device and its control method of problem.
A further object of the present invention is in order to maintain the nitrogen gas concn in controlled atmosphere space.
Another further object of the present invention is in order to energy saving.
According to an aspect of the present invention, the present invention provides a kind of control method of refrigerating device, refrigeratings
The storage space of device is internally provided with controlled atmosphere space, and refrigerating device is provided with for improving in controlled atmosphere space
The aspiration pump and controlled atmosphere membrane module of nitrogen gas concn, aspiration pump are configured to outward extract the gas in controlled atmosphere space out, so that
Air in controlled atmosphere space flows to controlled atmosphere membrane module, and makes air in controlled atmosphere space under the action of controlled atmosphere membrane module
In some or all of oxygen rich gas controlled atmosphere space, and the maximum functional function of aspiration pump is discharged via pipeline and aspiration pump
Rate is greater than predetermined power, and control method includes: to close after opening aspiration pump and the first preset time of continuous service, so that controlled atmosphere
Fresh-keeping space interior nitrogen gas concn reaches preset concentration threshold value；Whether detection controlled atmosphere space is opened and is then turned off；If
It is to wait controlled atmosphere space to be closed to up to after the second preset time, control aspiration pump is opened, and continuous service first is pre-
If being closed after the time.
Optionally, after the step after aspiration pump closing further include: it is pre- more than third to judge whether aspiration pump is turned off
If the time；If so, control aspiration pump is opened and the first preset time of continuous service.
Optionally, after determining the step of aspiration pump is turned off more than third preset time further include: judge be evacuated
Whether detect that the door body of refrigerating device is opened in the shut-in time of pump；If it is not, then the shut-in time of aspiration pump is prolonged
After length to the 4th preset time, then execute the step of opening aspiration pump.
Optionally, the above method further include: obtain refrigerating device door body opening times be more than preset threshold when
Between section；Obtain the time of running of refrigerating device；Judge whether the time of running is located in the period；And if judging result is
It is to keep the closed state of aspiration pump up to the period terminates.
Optionally, the above method further include: whether the compressor of detection refrigerating device is opened；If so, keeping pumping
Pump is closed until compressor is closed.
According to another aspect of the present invention, the present invention also provides a kind of refrigerating devices, comprising: cabinet, cabinet
Storage space is inside defined, storage space is internally provided with controlled atmosphere space；Controlled atmosphere membrane module, controlled atmosphere membrane module have controlled atmosphere
Film and oxygen rich gas collecting chamber, and the side of controlled atmosphere film is towards oxygen rich gas collecting chamber, in the pressure of oxygen rich gas collecting chamber
Less than the other side of controlled atmosphere film pressure when, so that oxygen rich gas in the air of the other side of controlled atmosphere film is entered richness through controlled atmosphere film
Carrier of oxygen collecting chamber；Aspiration pump, input end are connected to via pipeline with the oxygen rich gas collecting chamber of controlled atmosphere membrane module, aspiration pump
Maximum service rating is greater than predetermined power, and aspiration pump is configured to outward extract the gas in controlled atmosphere space out, so that controlled atmosphere
Air in fresh-keeping space flows to controlled atmosphere membrane module, and makes in controlled atmosphere space in air under the action of controlled atmosphere membrane module
Part or all of oxygen rich gas enters oxygen rich gas collecting chamber, and controlled atmosphere space is discharged by by pipeline and aspiration pump, thus
Rich nitrogen oxygen deprivation is obtained in controlled atmosphere space in favor of the atmosphere of food fresh-keeping；Master control borad is configured to control aspiration pump
It is closed after the first preset time of continuous service, so that controlled atmosphere space interior nitrogen gas concn reaches preset concentration threshold value；Gas
Fresh-keeping space open-close detection apparatus is adjusted, the opening in controlled atmosphere space is set to, whether is configured to detection controlled atmosphere space
It is opened and is then turned off；Wherein master control borad is configured to that controlled atmosphere space is being waited to be closed to up to the second preset time
After open aspiration pump, and closed after making its first preset time of continuous service.
Optionally, master control borad is configured to: judging whether aspiration pump is turned off more than third preset time；If so, control
Aspiration pump is opened and the first preset time of continuous service.
Optionally, above-mentioned refrigerating device further include: door body open-close detection apparatus is set in cabinet or door body, matches
Whether the door body for being set to detection refrigerating device is opened；Wherein master control borad is configured to judge in the closing of aspiration pump
It is interior whether to detect that the door body of refrigerating device is opened, if it is not, it is pre- that the shut-in time of aspiration pump is then extended to the 4th
If after the time, then executing the step of opening aspiration pump.
Optionally, master control borad is configured to: obtain refrigerating device door body opening times be more than preset threshold when
Between section, obtain refrigerating device the time of running, judge whether the time of running is located in the period, and if judging result be
It is to keep the closed state of aspiration pump up to the period terminates.
Optionally, above-mentioned refrigerating device further include: compressor is configured as refrigerating device refrigeration；Wherein lead
Control plate is configured to, and whether the compressor of detection refrigerating device is opened, if so, keeping aspiration pump to close until compression organ
It closes.
The present invention provides a kind of control method of refrigerating device, which includes: to open aspiration pump and hold
It is closed after the first preset time of reforwarding row, so that controlled atmosphere space interior nitrogen gas concn reaches preset concentration threshold value；Detection
Whether controlled atmosphere space is opened and is then turned off；If so, when waiting controlled atmosphere space to be closed to default up to second
Between after, control aspiration pump is opened, and is closed after the first preset time of continuous service.In the subsequent use process of refrigerating device
In, if controlled atmosphere space open-close detection apparatus detects that controlled atmosphere space opens and closes, prove that user has used gas
Fresh-keeping space is adjusted, this will lead to controlled atmosphere space interior nitrogen and leaks, and nitrogen gas concn reduces.Therefore aspiration pump is needed to take out again
Gas continues so that the nitrogen gas concn in controlled atmosphere space maintains in the concentration range for being conducive to food fresh-keeping for food
The fresh-keeping atmosphere of rich nitrogen oxygen deprivation is provided.
In addition, master control borad does not control aspiration pump and directly starts to work after detecting that controlled atmosphere space is closed, but
It is then turned on aspiration pump after postponing the second preset time, to prevent user from reusing controlled atmosphere space in the short time, is caused new
The rich nitrogen environment of generation is destroyed again.If user reuses controlled atmosphere space in the short time, then aspiration pump is again
Work is reopened, increases the working time of aspiration pump in this way, influences its service life, while also waste of energy.Of the invention prolongs
The design for opening aspiration pump late has effectively prevented the above problem, improves the service life of aspiration pump, while saving the energy.
Further, method of the invention, after determining the step of aspiration pump is turned off more than third preset time also
It include: to judge whether detect that the door body of refrigerating device is opened within the shut-in time of aspiration pump；If it is not, then will pumping
After the shut-in time of pump extends to the 4th preset time, then execute the step of opening aspiration pump.Since actually controlled atmosphere is empty
Between cannot accomplish 100% sealing, therefore, even if user does not use controlled atmosphere space, as the time increases, internal nitrogen
It can gradually reveal.It closes in aspiration pump more than after third preset time, the nitrogen gas concn in controlled atmosphere space can be decreased obviously,
Master control borad is again turned on aspiration pump at this time, promotes the nitrogen gas concn in controlled atmosphere space again using controlled atmosphere membrane module, to protect
Nitrogen gas concn in card controlled atmosphere space maintains in the concentration range conducive to food fresh-keeping.
Further, whether the compressor that method of the invention can also detect refrigerating device is opened, if so, protecting
Aspiration pump is held to close until compressor is closed.If the compressor and aspiration pump of refrigerating device start simultaneously, the two is generated
Noise can be superimposed amplification, influence user's normal life, therefore, in the present embodiment, master control borad forbids compressor and aspiration pump
Start simultaneously.Specifically, if a certain moment, compressor are currently running, and the condition of aspiration pump unlatching has also been reached at this time, at this time
Master control borad can postpone aspiration pump unlatching, until opening aspiration pump after compressor shutdown.Or a certain moment, aspiration pump is just
It is working, and compressor opens work at this time, master control borad can close aspiration pump immediately, after the completion of waiting after compressor shutdown again
Continuous pumping work.Method of the invention reduces the noise of the generation of refrigerating device, and the user experience is improved.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of refrigerating device according to an embodiment of the invention；
Fig. 2 is the drawer schematic diagram of refrigerating device according to an embodiment of the invention；
Fig. 3 is the schematic block diagram of refrigerating device according to an embodiment of the invention；
Fig. 4 is the schematic block diagram of refrigerating device in accordance with another embodiment of the present invention；
Fig. 5 is the schematic diagram of the control method of refrigerating device according to an embodiment of the invention；
Fig. 6 is the flow chart of the control method of refrigerating device according to an embodiment of the invention；
Fig. 7 is the flow chart of the control method of refrigerating device in accordance with another embodiment of the present invention；And
Fig. 8 is the flow chart of the control method of refrigerating device in accordance with another embodiment of the present invention.
Specific embodiment
The present embodiment provides firstly a kind of refrigerating device, and Fig. 1 is that refrigeration according to an embodiment of the invention is cold
Freeze the schematic diagram of device；Fig. 2 is 20 schematic diagram of drawer of refrigerating device according to an embodiment of the invention；Fig. 3 is root
According to the schematic block diagram of the refrigerating device of one embodiment of the invention；Fig. 4 is refrigeration in accordance with another embodiment of the present invention
The schematic block diagram of refrigerating plant.The refrigerating device includes: cabinet 10, controlled atmosphere membrane module 30, aspiration pump 40,50 and of master control borad
Controlled atmosphere space open-close detection apparatus 60.Above-mentioned refrigerating device can be refrigerator, refrigerator-freezer etc..
Storage space, compressor bin 24 are defined in cabinet 10, and the controlled atmosphere space being set in storage space.
Specifically, cabinet 10 may include liner and inner cylinder.Storage space is limited in liner.Inner cylinder may be disposed at the lower part of liner,
Inside define controlled atmosphere space.Certainly, as one skilled in the art will recognize that, inner cylinder may also set up in the middle part of liner
Or top.In this embodiment, liner and inner cylinder can be integrally formed, and can also be separately formed and then be installed again.
Main door body is pivotally mounted to 10 side of cabinet, is configured to open or close the storage space of the restriction of cabinet 10.Into
One step, in order to make controlled atmosphere space confined space as far as possible, in some embodiments, the refrigerating device is also
It may include small door body, be configured to open or close controlled atmosphere space.In some preferred embodiments, the refrigerating device
It may also include drawer 20, drawer 20 can have drawer end cap 23, and be slidably mounted on controlled atmosphere space.Drawer end cap 23
It can cooperate with the opening in controlled atmosphere space, to carry out the closing in controlled atmosphere space.The controlled atmosphere space can also quilt at this time
Referred to as 20 space of drawer, inner cylinder are also referred to as 20 cylinder of drawer.Specifically, drawer 20 is slidably mounted on inner cylinder, with from
Inner cylinder is operationally extracted and be inwardly inserted into outward to the forward opening of inner cylinder out.In some alternative embodiments of the invention, main
Door body may be pivotally mounted to cabinet 10, its complementary space outside controlled atmosphere space to open or close storage space.
Controlled atmosphere space open-close detection apparatus 60, is set to the opening in controlled atmosphere space, is configured to detection controlled atmosphere
Whether fresh-keeping space is opened and is then turned off.In the present embodiment, controlled atmosphere space can be drawer 20, and drawer 20 can have
There is drawer end cap 23, controlled atmosphere space open-close detection apparatus 60 can be the sensor being set on drawer end cap 23.It is above-mentioned
Sensor is preferably pressure sensor, and when drawer end cap 23, which closes drawer 20, to be open, drawer end cap 23 contradicts drawer 20, pressure
The sensor effect of being under pressure, while 20 shutdown signal of drawer is transmitted to master control borad 50；When 23 drawing-out type drawer 20 of drawer end cap is opened
Mouthful when, pressure sensor be not pressurized power effect, to master control borad 50 transmit 20 open signal of drawer.
Refrigeration system can be the cooling cycle system being made of compressor 21, condenser, throttling set and evaporator etc..Pressure
Contracting machine 21 is installed in compressor bin 24.Evaporator is configured to directly or indirectly provide cooling capacity into storage space.For example, working as
When the refrigerating device is household compression direct cooling refrigerator, evaporator may be disposed on the outside of the rear surface of liner or inside.When
When the refrigerating device is household compression wind cooling refrigerator, also there is evaporator room in cabinet 10, evaporator room passes through wind path
System is connected to storage space, and the exit that above-mentioned evaporator is arranged in evaporator room is provided with blower, with to storage room
Carry out circularly cooling.
Controlled atmosphere membrane module 30 has controlled atmosphere film and oxygen rich gas collecting chamber, and the side of controlled atmosphere film is collected towards oxygen rich gas
Chamber, to make the air of the other side of controlled atmosphere film in pressure of the pressure of oxygen rich gas collecting chamber less than the other side of controlled atmosphere film
In oxygen rich gas enter oxygen rich gas collecting chamber through controlled atmosphere film.Specifically, the controlled atmosphere membrane module 30 is in setting, controlled atmosphere film
The other side can directly be contacted with controlled atmosphere space, or the circulatory flow (or cyclic space) being connected to with controlled atmosphere space
Contact, it is empty in controlled atmosphere space so as to make in pressure of the pressure of oxygen rich gas collecting chamber less than controlled atmosphere space
Oxygen rich gas in gas enters oxygen rich gas collecting chamber through controlled atmosphere film.
Aspiration pump 40 is also disposed in compressor bin 24, and the input end of aspiration pump 40 is via pipeline and controlled atmosphere membrane module 30
The connection of oxygen rich gas collecting chamber, is configured to be evacuated outward, so that the pressure of oxygen rich gas collecting chamber is less than controlled atmosphere space
Pressure.That is, aspiration pump 40 is configured to outward extract the gas in controlled atmosphere space out, so that in controlled atmosphere space
Air flow to controlled atmosphere membrane module 30, and make under the action of controlled atmosphere membrane module 30 part in controlled atmosphere space in air or
Whole oxygen rich gas enter oxygen rich gas collecting chamber, controlled atmosphere space are discharged by by pipeline and aspiration pump 40, thus in gas
It adjusts and obtains rich nitrogen oxygen deprivation in fresh-keeping space in favor of the atmosphere of food fresh-keeping.Above-mentioned oxygen rich gas is oxygen in most cases
Gas.In the present embodiment, above-mentioned controlled atmosphere film can selectively pass through the oxygen rich gas in controlled atmosphere space, and will be in air
Remaining nitrogen is retained in controlled atmosphere space interior, to improve the nitrogen gas concn of controlled atmosphere space interior.
The maximum service rating of above-mentioned aspiration pump 40 is greater than predetermined power, and predetermined power is to reach according to refrigerating device
The power bracket that aspiration pump 40 reaches required for atmosphere conducive to food fresh-keeping is determined, and above-mentioned predetermined power is slightly larger than
Need the actual power to be achieved of aspiration pump 40.In other words, above-mentioned aspiration pump 40 is high-power aspiration pump 40, aspiration pump 40
Maximum service rating be much larger than its operating power actually required inside refrigerating device.Therefore the aspiration pump 40 is in reality
Underrun can be kept in the work of border, temperature increases slower, it is possible to long period operation.
Refrigerating device of the invention can make to be formed rich nitrogen oxygen deprivation in the controlled atmosphere space of storage space in favor of food
The fresh-keeping atmosphere of object, the atmosphere reduce fruit/vegetable aerobic breathing by the content of oxygen in reduction fruits and vegetables shelf space
Intensity, while guarantee basis respiration, prevent fruits and vegetables carry out anaerobic respiration, to reach the mesh of fruits and vegetables long-period freshness preserving
's.Moreover, the atmosphere also has the gases such as a large amount of nitrogen, the effect that is cooled of article in controlled atmosphere space will not be also reduced
Rate can be such that fruits and vegetables etc. are effectively stored.Aspiration pump 40 is set in compressor bin 24, and compressor bin 24 can be made full use of empty
Between, it does not occupy elsewhere additionally, therefore not will increase the additional volumes of refrigerating device, the knot of refrigerating device can be made
Structure is compact.
Master control borad 50 is closed after being configured to control 40 the first preset time of continuous service of aspiration pump, so that controlled atmosphere is empty
Between internal nitrogen gas concn reach preset concentration threshold value.For the first time in use, main after the refrigerating device of the present embodiment is powered
Control plate 50 first controls 40 the first preset time of continuous service of aspiration pump, so that controlled atmosphere space interior nitrogen gas concn reaches pre-
If concentration threshold.Above-mentioned preset concentration threshold value can be 88% to 97%, preferably 93%, find through inventor's many experiments,
For nitrogen gas concn in the range, fresh-keeping effect is best.Above-mentioned first preset time can be according to the size in controlled atmosphere space
It is set with the actual motion power of aspiration pump 40, in the present embodiment can be 20min.
Master control borad 50 also opens aspiration pump 40 after waiting controlled atmosphere space to be closed to up to the second preset time, and makes
It is closed after its first preset time of continuous service.In the subsequent use process of refrigerating device, if controlled atmosphere space is opened and closed
Detection device 60 detects that controlled atmosphere space opens and closes, then proves that user has used controlled atmosphere space, this will lead to
Controlled atmosphere space interior nitrogen leaks, and nitrogen gas concn reduces, it is therefore desirable to which aspiration pump 40 is evacuated again.Detecting controlled atmosphere guarantor
After fresh space is closed, master control borad 50 does not control aspiration pump 40 and directly starts to work, but opens again after postponing the second preset time
Aspiration pump 40 is opened, to prevent user from reusing controlled atmosphere space in the short time, newly generated rich nitrogen environment is caused to meet with again
To destruction.If user reuses controlled atmosphere space in the short time, then aspiration pump 40 reopens work again, increase in this way
The working time for having added aspiration pump 40 influences its service life, while also waste of energy.Above-mentioned second preset time can be according to user
Use habit and each working time of aspiration pump 40 set, such as can be 0.5 hour.
Master control borad 50 is configured to judge whether aspiration pump 40 is turned off more than third preset time, if so, control pumping
Pump 40 is opened and the first preset time of continuous service.Those skilled in the art can understand, and controlled atmosphere space is theoretically
One sealing compartment, but actually controlled atmosphere space cannot accomplish 100% sealing, therefore, even if user protects without using controlled atmosphere
Fresh space, as the time increases, internal nitrogen also can be revealed gradually.In the present embodiment, it closes in aspiration pump 40 more than the
After three preset times, the nitrogen gas concn in controlled atmosphere space can be decreased obviously, and master control borad 50 is again turned on aspiration pump 40 at this time,
Promote the nitrogen gas concn in controlled atmosphere space again using controlled atmosphere membrane module 30.Above-mentioned third preset time can be according to controlled atmosphere
The rate that nitrogen in fresh-keeping space is revealed naturally is configured, such as can be 5.5h, i.e. aspiration pump 40 closes reach every time
5.5h just reopens pumping, to guarantee that the nitrogen gas concn in controlled atmosphere space maintains the concentration model conducive to food fresh-keeping
In enclosing.
Above-mentioned refrigerating device further includes door body open-close detection apparatus 70.Door body open-close detection apparatus 70 is configured to detect
Whether the door body of refrigerating device is opened.In the present embodiment, door body open-close detection apparatus 70 can be pressure sensor
Or infrared sensor, it is set on refrigerating device box 10 and the contact surface of door body, when door body is opened, door body and case
Body 10 separates, and door body open-close detection apparatus 70 issues opening signal to master control borad 50.Master control borad 50 is configured to judge be evacuated
Pump 40 shut-in time in whether detect that the door body of refrigerating device is opened, if it is not, then by the closing of aspiration pump 40 when
Between extend to the 4th preset time after, then execute open aspiration pump 40 the step of.According to foregoing teachings, controlled atmosphere space cannot
Accomplish 100% sealing, therefore there are certain gas exchanges for controlled atmosphere space and storage space.So using ice in user
Case, during opening door body, the sub-fraction that the nitrogen in controlled atmosphere space has leaks to outside refrigerating device, leads
Cause nitrogen gas concn decline.On the contrary, if master control borad 50 is closed from aspiration pump 40 up to the period for closing arrival third preset time
It is interior, it does not receive the opening signal of door body open-close detection apparatus 70 always, then illustrates that refrigerator is not used in user during this period of time,
The nitrogen loss of controlled atmosphere space interior is smaller, can postpone the opening time of aspiration pump 40, at this time to reduce aspiration pump 40
Working time.In the present embodiment, after the shut-in time of aspiration pump 40 being extended to the 4th preset time, it is then turned on pumping
Air pump 40.Above-mentioned 4th preset time can end after user opens door body, and above-mentioned 4th preset time does not surpass preferably
Cross 10h.
Master control borad 50 is configured to obtain period of the door body opening times more than preset threshold of refrigerating device, on
Stating the period is the period that user frequently uses refrigerator.In the present embodiment, master control borad 50 can be to the door opening times of user
It is counted.Master control borad 50 can first be preset time-count cycle, and will be divided into multiple statistical time sections time-count cycle, then be every
Corresponding counter is arranged in a statistical time section, and is counted in corresponding counter according at the time of the generation of switch gate event
Number.Above-mentioned time-count cycle can be one day, or one week.Such as in the present embodiment, time-count cycle is one day, can be incited somebody to action
Daily as unit of 20 minutes be arranged 72 statistical time sections, be respectively as follows: 00:00 to 00:20,00:20 to 00:40 ...,
23:20 is to 23:40,23:40 to 00:00.Corresponding counter is set for each statistical time section, i.e., 72 countings are set altogether
Device.It is counted in corresponding counter at the time of generation according to switch gate event, such as at the time of the generation of switch gate event
For 08:10, then count is incremented in the period corresponding counter of 08:00 to 08:20.By the time-count cycle of certain number
Statistics after, master control borad 50 record refrigerator door opening times be more than preset threshold period.For example, preset threshold is 5,
The counts of corresponding counter are 7 within the period of 08:00 to 08:20, then 08:00 to 08:20 is to meet above-mentioned requirements
Period.Above-mentioned preset threshold can be determined according to the size of time-count cycle and statistical time section.In the present embodiment, it presets
Threshold value can be 10, i.e., every about 2min, user may turn on a door body 300.In other embodiments, the above-mentioned time
Section can carry out active setting by user.Operation panel is provided on the refrigerator door of the present embodiment, user can pass through operation
Panel inputs the time segment information of oneself setting, to save the statistical operation of refrigerator.
Master control borad 50 also obtains the time of running of refrigerating device, judges whether the current time of running is located at the period
It is interior, and if the determination result is YES, the closed state of aspiration pump 40 is kept until the period terminates.Master control borad 50 forbids aspiration pump
40 run within the period that user frequently uses refrigerator, with prevent aspiration pump 40 complete work after, user the short time again
Using controlled atmosphere space, newly generated rich nitrogen environment is caused to be destroyed again.Specifically, if aspiration pump 40 is working,
And reach exactly to the above-mentioned period at this time, then master control borad 50 can close aspiration pump 40 immediately, or within the above-mentioned period certain
Moment has just reached the requirement for opening aspiration pump 40, and master control borad 50 can postpone the unlatching of aspiration pump 40, until the above-mentioned period
After end, it is then turned on aspiration pump 40 and runs the first preset time.
Master control borad 50 is configured to, and whether the compressor 21 of detection refrigerating device is opened, if so, keeping aspiration pump 40
It closes until compressor 21 is closed.If the compressor 21 and aspiration pump 40 of refrigerating device start simultaneously, what the two generated
Noise can be superimposed amplification, influence user's normal life, and therefore, in the present embodiment, master control borad 50 forbids compressor 21 and pumping
Pump 40 starts simultaneously.Specifically, if a certain moment, compressor 21 is currently running, and has also reached the unlatching of aspiration pump 40 at this time
Condition, master control borad 50 can postpone the unlatching of aspiration pump 40 at this time, until compressor 21 is opening aspiration pump 40 after shutting down.Or
A certain moment, aspiration pump 40 are working, and compressor 21 opens work at this time, and master control borad 50 can close aspiration pump immediately
40, subsequent pumping work is completed again after waiting compressor 21 to shut down.
The present embodiment additionally provides a kind of control method of refrigerating device.Fig. 5 is according to an embodiment of the present invention
Refrigerating device control method schematic diagram.The control method includes:
Step S502 is closed after opening aspiration pump 40 and the first preset time of continuous service, so that controlled atmosphere space
Internal nitrogen gas concn reaches preset concentration threshold value.For the first time in use, master control after the refrigerating device of the present embodiment is powered
Plate 50 first controls 40 the first preset time of continuous service of aspiration pump, so that controlled atmosphere space interior nitrogen gas concn reaches default
Concentration threshold.Above-mentioned preset concentration threshold value can be 88% to 97%, preferably 93%, find through inventor's many experiments, nitrogen
For gas concentration in the range, fresh-keeping effect is best.Above-mentioned first preset time can according to the size in controlled atmosphere space and
The actual motion power of aspiration pump 40 is set, and in the present embodiment can be 20min.
Step S504 judges that controlled atmosphere space is opened and is then turned off.In the subsequent use process of refrigerating device
In, if detecting, controlled atmosphere space is opened and closed, and proves that user has used controlled atmosphere space, this will lead to controlled atmosphere guarantor
Fresh space interior nitrogen leaks, and nitrogen gas concn reduces, it is therefore desirable to which aspiration pump 40 is evacuated again.
Step S506 is waiting controlled atmosphere space to be closed to up to after the second preset time, and control aspiration pump 40 is opened,
And it is closed after the first preset time of continuous service.After detecting that controlled atmosphere space is closed, aspiration pump is not directly controlled
40 start to work, but are then turned on aspiration pump 40 after postponing the second preset time, to prevent user from reusing gas in the short time
Fresh-keeping space is adjusted, newly generated rich nitrogen environment is caused to be destroyed again.If user reuses controlled atmosphere sky in the short time
Between, then aspiration pump 40 reopens work again, the working time of aspiration pump 40 is increased in this way, influences its service life, simultaneously
Also waste of energy.Above-mentioned second preset time can according to the use habit and aspiration pump 40 of user each working time into
Row setting, such as can be 0.5 hour.
Fig. 6 is the flow chart of the control method of refrigerating device according to an embodiment of the invention.The control method
It perform the following steps in sequence:
Step S602 is closed after opening aspiration pump 40 and the first preset time of continuous service, so that controlled atmosphere space
Internal nitrogen gas concn reaches preset concentration threshold value.
Step S604 judges that aspiration pump 40 is turned off more than third preset time.Refrigerator master control borad 50 also has timing function
Can, start timing after the shutdown signal that master control borad 50 receives aspiration pump 40, it will be able to determine that the closing of aspiration pump 40 continues
Time.
Step S606 if step S604 judging result is no, then judges whether controlled atmosphere compartment is opened and closes.
Step S608, if the judging result of step S606 be it is yes, wait controlled atmosphere space to be closed to default up to second
Time.If the judging result of step S606 is no, return step S604.
Step S610, control aspiration pump 40 is opened, and is closed after the first preset time of continuous service.
Step S612, if the judging result of step S604 be it is no, continue to determine whether within the shut-in time of aspiration pump 40
Detect that door body is opened.
Step S614, if the judging result of step S612 be it is no, the shut-in time of aspiration pump 40 is extended to the 4th and is preset
Time.If master control borad 50 is closed from aspiration pump 40 up to closing in the period for reaching third preset time, do not receive always
The opening signal of door body open-close detection apparatus 70 then illustrates that refrigerator is not used in user during this period of time, in controlled atmosphere space
The nitrogen loss in portion is smaller, can postpone the opening time of aspiration pump 40, at this time to reduce the working time of aspiration pump 40.At this
In embodiment, after the shut-in time of aspiration pump 40 being extended to the 4th preset time, it is then turned on aspiration pump 40.Above-mentioned 4th
Preset time can end after user opens door body, and above-mentioned 4th preset time is preferably no more than 10h.If step S612
Judging result be it is yes, illustrate that user used refrigerator, nitrogen during user opens door body, in controlled atmosphere space
It has sub-fraction to leak to outside refrigerating device, nitrogen gas concn is caused to decline, execute step S610, at this time to improve gas
Adjust the nitrogen gas concn in fresh-keeping space.
Fig. 7 is the flow chart of the control method of refrigerating device according to an embodiment of the invention.The control method
It perform the following steps in sequence:
Step S702, the door body opening times for obtaining refrigerating device are more than the period of preset threshold.The above-mentioned time
Section is according to the use habit of the user determining frequent period using refrigerating device obtained.Master control borad 50 can be first pre-
If time-count cycle, and multiple statistical time sections will be divided into time-count cycle, corresponding meter then is set for each statistical time section
Number device, and counted in corresponding counter according at the time of the generation of switch gate event.Above-mentioned time-count cycle can be one
It, or one week.Such as in the present embodiment, time-count cycle is one day, can will be arranged as unit of 20 minutes daily
72 statistical time sections, be respectively as follows: 00:00 to 00:20,00:20 to 00:40 ..., 23:20 to 23:40,23:40 to 00:
00.Corresponding counter is set for each statistical time section, i.e., 72 counters are set altogether.According to switch gate event occur when
It is engraved in corresponding counter and is counted, such as be 08:10 at the time of the generation of switch gate event, then in 08:00 to 08:20's
Count is incremented in period corresponding counter.After the statistics of the time-count cycle of certain number, master control borad 50 records refrigerator
Door body opening times are more than the period of preset threshold.For example, preset threshold is 5, the phase within the period of 08:00 to 08:20
The counts for answering counter are 7, then 08:00 to 08:20 is the period for meeting above-mentioned requirements.Above-mentioned preset threshold can root
It is determined according to the size of time-count cycle and statistical time section.
Step S704 obtains the time of running of refrigerating device.Refrigerating device is internally provided with clock, can be true
Determine the time of running of refrigerating device.
Step S706, judges whether the time of running is located in the period.
Step S708, if the judging result of step S706 be it is yes, keep aspiration pump 40 closed state until the period tie
Beam.Master control borad 50 forbids aspiration pump 40 to run within the period that user frequently uses refrigerator, to prevent aspiration pump 40 from completing work
After work, user reuses controlled atmosphere space in the short time, and newly generated rich nitrogen environment is caused to be destroyed again.Specifically
, if aspiration pump 40 is working, and the above-mentioned period is reached exactly at this time, then master control borad 50 can close aspiration pump immediately
40, or certain moment within the above-mentioned period, just reach the requirement for opening aspiration pump 40, master control borad 50 can postpone to be evacuated
Pump 40 is opened, and after the above-mentioned period terminates, is then turned on aspiration pump 40 and is run the first preset time.
Fig. 8 is the flow chart of the control method of refrigerating device according to an embodiment of the invention.The control method
It perform the following steps in sequence:
Step S802, judges whether the compressor 21 of refrigerating device is opened.
Step S804, if the judging result of step S802 be it is yes, keep aspiration pump 40 close until compressor 21 close.Such as
The compressor 21 and aspiration pump 40 of fruit refrigerating device start simultaneously, and the noise that the two generates can be superimposed amplification, influence user
Normal life, therefore, in the present embodiment, master control borad 50 is forbidden compressor 21 and aspiration pump 40 while being started.Specifically, if certain
One moment, compressor 21 are currently running, and have also reached the condition of the unlatching of aspiration pump 40 at this time, and master control borad 50 can postpone at this time
Aspiration pump 40 is opened, until compressor 21 is opening aspiration pump 40 after shutting down.Or a certain moment, aspiration pump 40 is just in work
Make, and compressor 21 opens work at this time, master control borad 50 can close aspiration pump 40 immediately, complete again after waiting compressor 21 to shut down
At subsequent pumping work.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (6)
1. a kind of control method of refrigerating device, the storage space of the refrigerating device are internally provided with controlled atmosphere
Space, the refrigerating device are provided with aspiration pump and controlled atmosphere film for improving nitrogen gas concn in the controlled atmosphere space
Component, the aspiration pump is configured to outward extract the gas in the controlled atmosphere space out, so that the controlled atmosphere space
Interior air flows to the controlled atmosphere membrane module, and makes air in the controlled atmosphere space under the action of controlled atmosphere membrane module
In some or all of oxygen rich gas the controlled atmosphere space, and the aspiration pump is discharged via pipeline and the aspiration pump
Maximum service rating be greater than predetermined power, the control method includes:
It is closed after opening the aspiration pump and the first preset time of continuous service, so that the controlled atmosphere space interior nitrogen
Concentration reaches preset concentration threshold value；
Judge whether the aspiration pump is turned off more than third preset time；
If so, judging whether detect that the door body of the refrigerating device is opened within the shut-in time of the aspiration pump；
If so, controlling the aspiration pump opens the first preset time described in simultaneously continuous service；
If it is not, after the shut-in time of the aspiration pump is then extended to the 4th preset time, then execute and open the aspiration pump
Step；
If it is not, detecting whether the controlled atmosphere space is opened and is then turned off；
If so, control the aspiration pump waiting the controlled atmosphere space to be closed to up to after the second preset time and open, and
It is closed after first preset time described in continuous service.
2. according to the method described in claim 1, further include:
The door body opening times for obtaining the refrigerating device are more than the period of preset threshold；
Obtain the time of running of the refrigerating device；
Judge whether the time of running was located in the period；And
If the determination result is YES, the closed state of the aspiration pump is kept until the period terminates.
3. according to the method described in claim 1, further include:
Whether the compressor for detecting the refrigerating device is opened；
If so, keeping the aspiration pump to close until the compressor is closed.
4. a kind of refrigerating device, comprising:
Cabinet defines storage space in the cabinet, and the storage space is internally provided with controlled atmosphere space；
Controlled atmosphere membrane module, the controlled atmosphere membrane module have controlled atmosphere film and oxygen rich gas collecting chamber, and the side court of the controlled atmosphere film
To the oxygen rich gas collecting chamber, to be less than the pressure of the other side of the controlled atmosphere film in the pressure of the oxygen rich gas collecting chamber
When, collect the oxygen rich gas in the air of the other side of the controlled atmosphere film into the oxygen rich gas through the controlled atmosphere film
Chamber；
Aspiration pump, input end are connected to via pipeline with the oxygen rich gas collecting chamber of the controlled atmosphere membrane module, the pumping
The maximum service rating of pump is greater than predetermined power, and the aspiration pump is configured to outward take out the gas in the controlled atmosphere space
Out, so that the air in the controlled atmosphere space flows to the controlled atmosphere membrane module, and under the action of the controlled atmosphere membrane module
Oxygen rich gas some or all of in air is set in the controlled atmosphere space to enter the oxygen rich gas collecting chamber, by by institute
State pipeline and the aspiration pump and the controlled atmosphere space be discharged, thus obtained in the controlled atmosphere space rich nitrogen oxygen deprivation with
Conducive to the atmosphere of food fresh-keeping；
Master control borad is configured to close after controlling first preset time of aspiration pump continuous service, so that the controlled atmosphere
Space interior nitrogen gas concn reaches preset concentration threshold value；
Controlled atmosphere space open-close detection apparatus is set to the opening in the controlled atmosphere space, is configured to detect the gas
It adjusts fresh-keeping space whether to be opened and is then turned off；
Door body open-close detection apparatus is set in the cabinet or the door body, is configured to detect the refrigerating device
Whether door body is opened；Wherein
The master control borad, is configured to:
Judge whether the aspiration pump is turned off more than third preset time；
If so, judging whether detect that the door body of the refrigerating device is opened within the shut-in time of the aspiration pump；
If so, controlling the aspiration pump opens the first preset time described in simultaneously continuous service；
If it is not, after the shut-in time of the aspiration pump is then extended to the 4th preset time, then execute and open the aspiration pump
Step；
If it is not, opening the aspiration pump after waiting the controlled atmosphere space to be closed to up to the second preset time, and make it
It is closed after first preset time described in continuous service.
5. refrigerating device according to claim 4, wherein the master control borad is configured to:
The door body opening times for obtaining the refrigerating device are more than the period of preset threshold, obtain the refrigerating dress
The time of running set, judge whether the time of running was located in the period, and if the determination result is YES, described in holding
The closed state of aspiration pump terminates up to the period.
6. refrigerating device according to claim 4, further includes:
Compressor is configured as the refrigerating device refrigeration；Wherein
The master control borad is configured to, and whether the compressor for detecting the refrigerating device is opened, if so, keeping the pumping
Pump is closed until the compressor is closed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611132807.6A CN106679320B (en) | 2016-12-09 | 2016-12-09 | Refrigerating device and its control method |
| PCT/CN2017/115145 WO2018103727A1 (en) | 2016-12-09 | 2017-12-08 | Refrigerating and freezing device and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611132807.6A CN106679320B (en) | 2016-12-09 | 2016-12-09 | Refrigerating device and its control method |
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| CN106679320A CN106679320A (en) | 2017-05-17 |
| CN106679320B true CN106679320B (en) | 2019-04-02 |
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| CN201611132807.6A Active CN106679320B (en) | 2016-12-09 | 2016-12-09 | Refrigerating device and its control method |
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| WO (1) | WO2018103727A1 (en) |
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| CN106679320B (en) * | 2016-12-09 | 2019-04-02 | 青岛海尔股份有限公司 | Refrigerating device and its control method |
| CN107940854A (en) * | 2017-10-16 | 2018-04-20 | 青岛海尔股份有限公司 | Fresh-keeping refrigerator and its control method |
| CN109855375B (en) * | 2017-11-30 | 2020-03-31 | 青岛海尔股份有限公司 | Refrigerating and freezing device and deoxygenation control method thereof |
| CN113446801B (en) * | 2020-03-24 | 2022-09-16 | 合肥华凌股份有限公司 | Controlled atmosphere preservation device, fruit and vegetable preservation method based on refrigerator, controller and refrigerator |
| CN114073393B (en) * | 2020-08-19 | 2023-06-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, fresh-keeping control method thereof and computer readable storage medium |
| CN114111195A (en) * | 2020-08-25 | 2022-03-01 | 青岛海尔电冰箱有限公司 | Refrigerator control method and refrigerator |
| CN114383360A (en) * | 2020-10-21 | 2022-04-22 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113124614B (en) * | 2021-05-11 | 2022-05-24 | 佛山市顺德区大磐电器实业有限公司 | Control method and device for sterilization of refrigeration equipment |
| CN115597290B (en) * | 2021-07-07 | 2023-12-01 | 合肥华凌股份有限公司 | Controlled atmosphere fresh-keeping control method, control device, fresh-keeping device and refrigerator |
| CN115127296B (en) * | 2022-07-25 | 2024-04-12 | 长虹美菱股份有限公司 | Refrigerator fresh-keeping control device and method and refrigerator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH055585A (en) * | 1991-06-28 | 1993-01-14 | Sharp Corp | Freshness storage box |
| JPH05227881A (en) * | 1992-02-19 | 1993-09-07 | Matsushita Refrig Co Ltd | Preservation house |
| CN101544356B (en) * | 2008-03-27 | 2012-09-26 | 周纪昌 | Flat oxygen-enriched membrane component |
| CN101766321B (en) * | 2008-12-30 | 2012-10-24 | 苏州三星电子有限公司 | Ultra-long-term freshness preserving system |
| KR20130068508A (en) * | 2011-12-15 | 2013-06-26 | 위니아만도 주식회사 | Airtight room of refrigerator |
| CN103090638A (en) * | 2012-10-24 | 2013-05-08 | 徐东明 | Method for controlling gas adjusting system of fresh-keeping refrigerator |
| CN106016950B (en) * | 2016-05-26 | 2018-08-10 | 青岛海尔股份有限公司 | The nitrogen control method processed and device of refrigerator |
| CN106679320B (en) * | 2016-12-09 | 2019-04-02 | 青岛海尔股份有限公司 | Refrigerating device and its control method |
-
2016
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