CN106679320A - Cold storage and refrigeration device and control method thereof - Google Patents
Cold storage and refrigeration device and control method thereof Download PDFInfo
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- CN106679320A CN106679320A CN201611132807.6A CN201611132807A CN106679320A CN 106679320 A CN106679320 A CN 106679320A CN 201611132807 A CN201611132807 A CN 201611132807A CN 106679320 A CN106679320 A CN 106679320A
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- controlled atmosphere
- aspiration pump
- refrigerating device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
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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
- F25D29/005—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
-
- 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 invention provides a cold storage and refrigeration device and a control method thereof. The control method includes the steps that a gas extracting pump is started and is closed after continuously running for first preset time, so that the concentration of nitrogen in a gas adjusting freshness retaining space can be made to reach a preset concentration threshold; whether the gas adjusting freshness retaining space is opened and closed later or not is detected; and if yes, after the gas adjusting freshness retaining space is closed for second preset time, the gas extracting pump is controlled to be opened, and is closed after continuously running for the first preset time. In the subsequent using process of the cold storage and refrigeration device, if a gas adjusting freshness retaining space opening and closing detection device detects that the gas adjusting freshness retaining space is opened and closed, it is proved that a user uses the gas adjusting freshness retaining space, and consequently the nitrogen in the gas adjusting freshness retaining space is made to escape outwards, and the concentration of the nitrogen is lowered. Thus, the gas extracting pump is needed to perform gas extraction again, so that the concentration of the nitrogen in the gas adjusting freshness retaining space can be made to be maintained within a concentration range facilitating freshness retaining of food, and the nitrogen-rich and oxygen-deficient freshness retaining gas atmosphere is continuously provided for the food.
Description
Technical field
The present invention relates to refrigerating field, more particularly to a kind of refrigerating device and its control method.
Background technology
Controlled atmosphere technology refers in general manner the atmosphere (gas componant by adjusting closing space residing for storage thing
Ratio or gas pressure) mode extend the technology of shelf life of food products, its general principle is：In certain closing space
It is interior, obtain being different from the atmosphere of normal air constituent by various regulative modes, to suppress to cause storage thing (usually to be eaten
Material) putrid and deteriorated physiological and biochemical procedure and microorganism activity.Especially, in this application, the controlled atmosphere for being discussed will
Specifically designed in the controlled atmosphere technology being adjusted to gas component ratio.
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, generally use and filled to closing space
Enter nitrogen-rich gas to reduce the mode of oxygen content to obtain the fresh-keeping atmosphere of rich nitrogen oxygen deprivation.Here, people in the art
Member knows that nitrogen-rich gas refer to the gas that nitrogen content exceedes nitrogen content in above-mentioned normal air, such as nitrogen therein
Content can be 95%~99%, even more high；And the fresh-keeping atmosphere of rich nitrogen oxygen deprivation refers to nitrogen content normal more than above-mentioned
The atmosphere of nitrogen content, oxygen content less than oxygen content in above-mentioned normal air in air.
Find fruit and vegetable in hypoxemia water although the history of controlled atmosphere technology can trace back to German biologist in 1821
Metabolism can be usually reduced to start.But it is up to this point, huge due to being conventionally used to the equipment of making nitrogen volume of controlled atmosphere
Greatly, it is with high costs, cause the technology to be substantially also limited to use (the storage capacity one on various large-scale professional storages
As at least more than 30 tons).It can be said that being only possible to controlled atmosphere economically using which kind of appropriate gas regulation technology and related device
System compact, mute, make it be applied to family or personal user, are that controlled atmosphere art personnel thirst for solving always
But the technical barrier of the solution that fails all the time.
The content of the invention
In view of the above problems, it is proposed that the present invention so as to provide one kind overcome above mentioned problem or at least in part solve on
State the refrigerating device and its control method of problem.
The present invention one is further objective is that in order to maintain the nitrogen gas concn in controlled atmosphere space.
The present invention another further objective is that for energy saving.
According to an aspect of the present invention, the invention provides a kind of control method of refrigerating device, refrigerating
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 outwards extract the gas in controlled atmosphere space out, so that
Air flow controlled atmosphere membrane module in controlled atmosphere space, and make air in controlled atmosphere space in the presence of controlled atmosphere membrane module
In part or all of oxygen rich gas via pipeline and aspiration pump discharge controlled atmosphere space, and aspiration pump maximum functional work(
Rate is more than predetermined power, and control method includes：Closed after opening aspiration pump and the Preset Time of continuous service first, so as to obtain controlled atmosphere
Fresh-keeping interior volume 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.
Alternatively, also include after the step after aspiration pump closing：Judge whether aspiration pump is turned off pre- more than the 3rd
If the time；If so, control aspiration pump is opened and the Preset Time of continuous service first.
Alternatively, it is determined that also including after the step of aspiration pump is turned off more than three Preset Times：Judge in pumping
The door body that whether refrigerating device is detected in the shut-in time of pump is opened；If it is not, then the shut-in time of aspiration pump is prolonged
After length to the 4th Preset Time, then perform the step of opening aspiration pump.
Alternatively, the above method also includes：Obtain refrigerating device door body opening times exceed predetermined threshold value when
Between section；Obtain the time of running of refrigerating device；Judge whether the time of running is located in the time period；And if judged result is
It is to keep the closed mode of aspiration pump until the time period terminates.
Alternatively, the above method also includes：Detect whether the compressor of refrigerating device is opened；If so, keeping pumping
Pump is closed until compressor is closed.
According to another aspect of the present invention, present invention also offers a kind of refrigerating device, including：Casing, casing
Storage space is inside defined, storage space is internally provided with controlled atmosphere space；Controlled atmosphere membrane module, controlled atmosphere membrane module has controlled atmosphere
Film and oxygen rich gas collecting chamber, and controlled atmosphere film side towards oxygen rich gas collecting chamber, with the pressure of oxygen rich gas collecting chamber
Less than the opposite side of controlled atmosphere film pressure when, oxygen rich gas in the air of the opposite side of controlled atmosphere film is entered rich through controlled atmosphere film
Carrier of oxygen collecting chamber；Aspiration pump, its entrance point is connected via pipeline with the oxygen rich gas collecting chamber of controlled atmosphere membrane module, aspiration pump
Maximum service rating is more than predetermined power, and aspiration pump is configured to outwards extract the gas in controlled atmosphere space out, so that controlled atmosphere
Air flow controlled atmosphere membrane module in fresh-keeping space, and make in the presence of controlled atmosphere membrane module in controlled atmosphere space in air
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, so that
The atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping is obtained in controlled atmosphere space；Master control borad, is configured to control aspiration pump
Closed after the Preset Time of continuous service first, so that obtaining controlled atmosphere interior volume nitrogen gas concn reaches preset concentration threshold value；Gas
Fresh-keeping space open-close detection apparatus are adjusted, is arranged at the opening in controlled atmosphere space, whether be configured to detection controlled atmosphere space
It is opened and is then turned off；Wherein master control borad, is configured to waiting controlled atmosphere space to be closed to up to the second Preset Time
After open aspiration pump, and close after making its Preset Time of continuous service first.
Alternatively, master control borad is configured to：Judge whether aspiration pump is turned off more than the 3rd Preset Time；If so, control
Aspiration pump is opened and the Preset Time of continuous service first.
Alternatively, above-mentioned refrigerating device also includes：Door body open-close detection apparatus, are arranged on casing OR gate body, match somebody with somebody
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
Whether the interior door body for detecting refrigerating device is opened, if it is not, it is pre- then to be extended into the 4th the shut-in time of aspiration pump
If after the time, then performing the step of opening aspiration pump.
Alternatively, master control borad is configured to：Obtain refrigerating device door body opening times exceed predetermined threshold value when
Between section, obtain the time of running of refrigerating device, judge the time of running whether within the time period, and if judged result be
It is to keep the closed mode of aspiration pump until the time period terminates.
Alternatively, above-mentioned refrigerating device also includes：Compressor, is configured as refrigerating device refrigeration；Wherein lead
Control plate is configured to, and detects whether the compressor of refrigerating device is opened, if so, keeping aspiration pump to close until compression office
Close.
The invention provides a kind of control method of refrigerating device, the control method includes：Open aspiration pump and hold
Closed after the Preset Time of reforwarding row first, so that obtaining controlled atmosphere interior volume 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 open, and after the Preset Time of continuous service first close.Process is subsequently used in refrigerating device
In, if controlled atmosphere space open-close detection apparatus detect the opening and closing of controlled atmosphere space, prove that user has used gas
Fresh-keeping space is adjusted, this will cause controlled atmosphere interior volume nitrogen to leak, nitrogen gas concn reduction.Therefore aspiration pump is needed to take out again
Gas, so that the nitrogen gas concn obtained in controlled atmosphere space is maintained in the concentration range for being conducive to food fresh-keeping, it is that food continues
The fresh-keeping atmosphere of rich nitrogen oxygen deprivation is provided.
In addition, detecting after controlled atmosphere space is closed, master control borad does not control aspiration pump directly to start working, but
Aspiration pump is then turned on after postponing the second Preset Time, to prevent user from reusing controlled atmosphere space in the short time, causes 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, the working time of aspiration pump is which increased, its life-span is influenceed, while also wasting the energy.It is of the invention to prolong
The design for opening aspiration pump late has effectively prevented above mentioned problem, the service life of aspiration pump is improve, while saving the energy.
Further, the method for the present invention, it is determined that after the step of aspiration pump is turned off more than three Preset Times also
Including：Judge that the door body that whether refrigerating device is detected within the shut-in time of aspiration pump is opened；If it is not, then will pumping
After the shut-in time of pump extends to the 4th Preset Time, then perform the step of opening aspiration pump.Because actually controlled atmosphere is empty
Between can not accomplish 100% sealing, therefore, even if user does not use controlled atmosphere space, increase over time, its internal nitrogen
Can gradually reveal.After aspiration pump is closed more than the 3rd Preset Time, the nitrogen gas concn in controlled atmosphere space can be decreased obviously,
Now master control borad is again turned on aspiration pump, and the nitrogen gas concn in controlled atmosphere space is lifted again using controlled atmosphere membrane module, to protect
Nitrogen gas concn in card controlled atmosphere space is maintained in the concentration range beneficial to food fresh-keeping.
Further, the method for the present invention can also detect whether the compressor of 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, both produce
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 is currently running, and has now also reached the condition of aspiration pump unlatching, now
Master control borad can postpone aspiration pump unlatching, until opening aspiration pump after compressor shutdown.Or a certain moment, aspiration pump is just
In work, and now compressor unlatching work, master control borad can immediately close aspiration pump, after the completion of waiting after compressor shutdown again
Continuous pumping work.The method of the present invention reduces the noise of the generation of refrigerating device, improves Consumer's Experience.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying 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 provide 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 the schematic diagram of drawer 20 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：Casing 10, controlled atmosphere membrane module 30, aspiration pump 40, the and of master control borad 50
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 casing 10, and is arranged at the controlled atmosphere space in storage space.
Specifically, casing 10 may include inner bag and inner cylinder.Storage space is limited in inner bag.Inner cylinder may be disposed at the bottom of inner bag, its
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 inner bag
Or top.In this embodiment, inner bag and inner cylinder can be integrally formed, and can also be installed separately formed and then again.
Main door body is pivotally mounted to the side of casing 10, is configured to open or close the storage space of the restriction of casing 10.Enter
One step ground, in order that controlled atmosphere space is confined space as far as possible, in some embodiments, the refrigerating device is also
Small door body is may include, is configured to open or close controlled atmosphere space.In some preferred embodiments, the refrigerating device
Drawer 20 is may also include, drawer 20 there can be drawer end cap 23, and be slidably mounted on controlled atmosphere space.Drawer end cap 23
Can coordinate with the opening in controlled atmosphere space, to carry out the closing in controlled atmosphere space.Now the controlled atmosphere space also can quilt
The referred to as space of drawer 20, inner cylinder is also referred to as the cylinder of drawer 20.Specifically, drawer 20 is slidably mounted on inner cylinder, with from
Operationally outwards extract and be inwardly inserted into inner cylinder out in the forward direction opening of inner cylinder.It is main in some alternate embodiments of the invention
Door body may be pivotally mounted to casing 10, with its complementary space outside the controlled atmosphere space for opening or closing storage space.
Controlled atmosphere space open-close detection apparatus 60, are arranged at the opening in controlled atmosphere space, are configured to detect 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 arranged on drawer end cap 23.It is above-mentioned
Sensor is preferably pressure sensor, and when drawer end cap 23 closes drawer 20 to be open, drawer end cap 23 contradicts drawer 20, pressure
The sensor effect of being under pressure, while transmitting the shutdown signal of drawer 20 to master control borad 50；When the drawing-out type drawer 20 of drawer end cap 23 is opened
Mouthful when, pressure sensor is not stressed effect, to the transmission open signal of drawer 20 of master control borad 50.
Refrigeration system can be the cooling cycle system being made up of compressor 21, condenser, throttling arrangement and evaporator etc..Pressure
Contracting machine 21 is installed in compressor bin 24.Evaporator is configured to directly or indirectly to providing cold in storage space.For example, working as
When the refrigerating device is family expenses compression direct cooling refrigerator, evaporator may be disposed at the rear surface outside or inner side of inner bag.When
When the refrigerating device is family expenses compression wind cooling refrigerator, also there is evaporator room in casing 10, evaporator room passes through wind path
System is connected with storage space, and the exit of the above-mentioned evaporator of setting is provided with blower fan in evaporator room, with to storing compartment
It is circulated refrigeration.
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, in pressure of the pressure of oxygen rich gas collecting chamber less than the opposite side of controlled atmosphere film, to make the air of the opposite side of controlled atmosphere film
In oxygen rich gas through controlled atmosphere film enter oxygen rich gas collecting chamber.Specifically, the controlled atmosphere membrane module 30 set when, controlled atmosphere film
Opposite side directly can be contacted with controlled atmosphere space, or the circulatory flow (or cyclic space) connected with controlled atmosphere space
Contact, so as to can make empty in controlled atmosphere space 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 entrance point of aspiration pump 40 is via pipeline and controlled atmosphere membrane module 30
Oxygen rich gas collecting chamber is connected, and is configured to outwards pumping, 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 outwards extract the gas in controlled atmosphere space out, so that in controlled atmosphere space
Air flow controlled atmosphere membrane module 30, and make in the presence of controlled atmosphere membrane module 30 part in controlled atmosphere space in air or
Whole oxygen rich gas enter oxygen rich gas collecting chamber, and controlled atmosphere space is discharged by by pipeline and aspiration pump 40, so as in gas
Adjust and the atmosphere that rich nitrogen oxygen deprivation is beneficial to food fresh-keeping is obtained in fresh-keeping space.Above-mentioned oxygen rich gas is in most cases oxygen
Gas.In the present embodiment, above-mentioned controlled atmosphere film can selectively pass through the oxygen rich gas in controlled atmosphere space, and by air
Remaining nitrogen is retained in controlled atmosphere interior volume, so as to improve the nitrogen gas concn of controlled atmosphere interior volume.
The maximum service rating of above-mentioned aspiration pump 40 is more than predetermined power, and predetermined power is to reach according to refrigerating device
The power bracket reached beneficial to aspiration pump 40 required for the atmosphere of food fresh-keeping is determined, and above-mentioned predetermined power is slightly larger than
Need the actual power to be reached of aspiration pump 40.In other words, above-mentioned aspiration pump 40 is high-power aspiration pump 40, aspiration pump 40
The operating power that is actually needed inside refrigerating device much larger than its of maximum service rating.Therefore the aspiration pump 40 is in reality
Underrun can be kept in the work of border, temperature raises slower, it is possible to which the long period is run.
Refrigerating device of the invention can make the rich nitrogen oxygen deprivation of formation in the controlled atmosphere space of storage space be beneficial to food
The fresh-keeping atmosphere of thing, the atmosphere reduces fruit/vegetable aerobic breathing by reducing the content of oxygen in fruits and vegetables shelf space
Intensity, while ensure basis respiration, prevent fruits and vegetables from carrying out anaerobic respiration, so as to reach the mesh of fruits and vegetables long-period freshness preserving
's.And, the atmosphere also has the gases such as substantial amounts of nitrogen, will not also reduce the effect of catching a cold of article in controlled atmosphere space
Rate, can be such that fruits and vegetables etc. are effectively stored.Aspiration pump 40 is arranged in compressor bin 24, and compressor bin 24 can be made full use of empty
Between, do not take elsewhere additionally, therefore the additional volumes of refrigerating device will not be increased, the knot of refrigerating device can be made
Structure is compact.
Master control borad 50 is closed after being configured to control the first Preset Time of continuous service of aspiration pump 40, so that it is empty to obtain controlled atmosphere
Between internal nitrogen gas concn reach preset concentration threshold value.It is main when being used for the first time after the refrigerating device of the present embodiment is powered
Control plate 50 first control the first Preset Time of continuous service of aspiration pump 40 so that obtain controlled atmosphere interior volume nitrogen gas concn reach it is pre-
If concentration threshold.Above-mentioned preset concentration threshold value can be 88% to 97%, preferably 93%, be found through inventor's many experiments,
Nitrogen gas concn is in the scope, and its fresh-keeping effect is optimal.Above-mentioned first Preset Time can be according to the size in controlled atmosphere space
Actual motion power with aspiration pump 40 is set, and can be in the present embodiment 20min.
Master control borad 50 is also closed to the unlatching aspiration pump 40 up to after the second Preset Time in wait controlled atmosphere space, and makes
Closed after its Preset Time of continuous service first.During the follow-up use of refrigerating device, if controlled atmosphere space is opened and closed
Detection means 60 detects the opening and closing of controlled atmosphere space, then prove that user has used controlled atmosphere space, and this will cause
Controlled atmosphere interior volume nitrogen leaks, nitrogen gas concn reduction, it is therefore desirable to which aspiration pump 40 is evacuated again.Protected controlled atmosphere is detected
After fresh space is closed, master control borad 50 does not control aspiration pump 40 directly to start working, but is opened again after postponing the second Preset Time
Aspiration pump 40 is opened, to prevent user from reusing controlled atmosphere space in the short time, causes the rich nitrogen environment of new generation to meet with again
To destruction.If user reuses controlled atmosphere space in the short time, then aspiration pump 40 reopens work again, so increase
The working time of aspiration pump 40 is added, has influenceed its life-span, while also wasting the energy.Above-mentioned second Preset Time can be according to user
Use habit and each working time of aspiration pump 40 set, for example can be 0.5 hour.
Master control borad 50 is configured to judge whether aspiration pump 40 is turned off more than the 3rd Preset Time, if so, control pumping
Pump 40 is opened and the Preset Time of continuous service first.Those skilled in the art will appreciate that controlled atmosphere space is in theory
One sealing compartment, but actually controlled atmosphere space can not accomplish 100% sealing, therefore, even if user does not use controlled atmosphere to protect
Fresh space, increases over time, and its internal nitrogen also can be revealed gradually.In the present embodiment, closed more than in aspiration pump 40
After three Preset Times, the nitrogen gas concn in controlled atmosphere space can be decreased obviously, and now master control borad 50 is again turned on aspiration pump 40,
Lift the nitrogen gas concn in controlled atmosphere space again using controlled atmosphere membrane module 30.Above-mentioned 3rd Preset Time can be according to controlled atmosphere
The speed that nitrogen in fresh-keeping space is revealed naturally is configured, for example, can every time be closed for 5.5h, i.e. aspiration pump 40 and reached
5.5h, just reopens pumping, to ensure that the nitrogen gas concn in controlled atmosphere space maintains the concentration model beneficial to food fresh-keeping
In enclosing.
Above-mentioned refrigerating device also includes door body open-close detection apparatus 70.Door body open-close detection apparatus 70 are configured to detection
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 arranged on the contact surface of refrigerating device box 10 and door body, when door body is opened, door body and case
Body 10 is separated, and door body open-close detection apparatus 70 send enabling signal to master control borad 50.Master control borad 50 is configured to judge in pumping
The door body that whether refrigerating device is detected in shut-in time of pump 40 is opened, if it is not, then by the closing of aspiration pump 40 when
Between extend to the 4th Preset Time after, then perform unlatching aspiration pump 40 the step of.According to foregoing teachings, controlled atmosphere space can not
Accomplish 100% sealing, therefore there are certain gas exchanges in 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
Nitrogen gas concn is caused to decline.If conversely, master control borad 50 is closed up to the time period for closing the 3rd Preset Time of arrival from aspiration pump 40
It is interior, the enabling signal of door body open-close detection apparatus 70 is not received always, then illustrate that user is not used refrigerator within the time period,
The nitrogen loss of controlled atmosphere interior volume is smaller, can now postpone the opening time of aspiration pump 40, to reduce aspiration pump 40
Working time.In the present embodiment, after being extended into the 4th Preset Time the shut-in time of aspiration pump 40, it is then turned on taking out
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 the time period of the door body opening times more than predetermined threshold value of refrigerating device, on
The time period is stated for user frequently uses the time period of refrigerator.In the present embodiment, master control borad 50 can be to the door opening times of user
Counted.Master control borad 50 can first be preset time-count cycle, and will be divided into multiple timing statisticses sections time-count cycle, then be every
Individual timing statisticses section sets corresponding counter, and is counted in corresponding counter according to the moment that switch gate event occurs
Number.Above-mentioned time-count cycle can be one day, or one week.For example in the present embodiment, time-count cycle is one day, can be by
72 timing statisticses sections were set in units of 20 minutes daily, respectively：00:00 to 00:20、00:20 to 00:40、……、
23:20 to 23:40、23:40 to 00:00.For each timing statistics section sets corresponding counter, i.e., 72 countings are set altogether
Device.Counted in corresponding counter according to the moment that switch gate event occurs, the moment that for example switch gate event occurs
It is 08:10, then 08:00 to 08:20 time period corresponding counter inside counting adds 1.By the time-count cycle of certain number of times
Statistics after, master control borad 50 record refrigerator door opening times more than predetermined threshold value time period.For example, predetermined threshold value is 5,
08:00 to 08:The counts of corresponding counter are 7, then 08 in 20 time period:00 to 08:20 is to meet above-mentioned requirements
Time period.Above-mentioned predetermined threshold value can determine according to the size of time-count cycle and timing statisticses section.In the present embodiment, preset
Threshold value can be 10, i.e., every about 2min, user may turn on a door body 300.In other embodiment, the above-mentioned time
Section can carry out active setting by user.Guidance panel is provided with the refrigerator door of the present embodiment, user can be by operation
Panel is input into 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 time period
It is interior, and if the determination result is YES, the closed mode of aspiration pump 40 is kept until the time period terminates.Master control borad 50 forbids aspiration pump
40 user frequently using refrigerator time period in run, with prevent aspiration pump 40 complete work after, user the short time again
Using controlled atmosphere space, the rich nitrogen environment of new generation is caused to be destroyed again.Specifically, if aspiration pump 40 works,
And now reach exactly to the above-mentioned time period, then master control borad 50 can immediately close aspiration pump 40, or within the above-mentioned time period certain
At the moment, the requirement for opening aspiration pump 40 is just reached, master control borad 50 can postpone aspiration pump 40 and open, until the above-mentioned time 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 detects whether the compressor 21 of refrigerating device is opened, if so, keeping aspiration pump 40
Close until compressor 21 is closed.If the compressor 21 and aspiration pump 40 of refrigerating device start simultaneously, what both produced
Noise can be superimposed amplification, influence user's normal life, 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 now also reached the unlatching of aspiration pump 40
Condition, now master control borad 50 can postpone aspiration pump 40 and open, until opening aspiration pump 40 after compressor 21 is shut down.Or
A certain moment, aspiration pump 40 works, and now compressor 21 opens work, and master control borad 50 can immediately close aspiration pump
40, wait compressor 21 to complete follow-up pumping work again after shutting down.
The present embodiment additionally provides a kind of control method of refrigerating device.Fig. 5 is according to one embodiment of the invention
Refrigerating device control method schematic diagram.The control method includes：
Step S502, closes after opening aspiration pump 40 and the Preset Time of continuous service first, so as to obtain controlled atmosphere space
Internal nitrogen gas concn reaches preset concentration threshold value.When being used for the first time after the refrigerating device of the present embodiment is powered, master control
Plate 50 first controls the first Preset Time of continuous service of aspiration pump 40 so that controlled atmosphere interior volume nitrogen gas concn reach it is default
Concentration threshold.Above-mentioned preset concentration threshold value can be 88% to 97%, preferably 93%, be found through inventor's many experiments, nitrogen
Gas concentration is in the scope, and its fresh-keeping effect is optimal.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 can be in the present embodiment 20min.
Step S504, judges that controlled atmosphere space is opened and is then turned off.Process is subsequently used in refrigerating device
In, if detecting the opening and closing of controlled atmosphere space, proving that user has used controlled atmosphere space, this will cause controlled atmosphere to be protected
Fresh interior volume nitrogen leaks, nitrogen gas concn reduction, 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 closed after the Preset Time of continuous service first.Detecting after controlled atmosphere space is closed, aspiration pump is not being controlled directly
40 start working, 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, causes the rich nitrogen environment of new generation to be destroyed again.If it is empty that user reuses controlled atmosphere in the short time
Between, then aspiration pump 40 reopens work again, which increases the working time of aspiration pump 40, influences its life-span, while
Also waste the energy.Above-mentioned second Preset Time can enter according to the use habit of user and each working time of aspiration pump 40
Row setting, for example, 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
Following steps are performed successively：
Step S602, closes after opening aspiration pump 40 and the Preset Time of continuous service first, so as to obtain controlled atmosphere space
Internal nitrogen gas concn reaches preset concentration threshold value.
Step S604, judges that aspiration pump 40 is turned off more than the 3rd Preset Time.Refrigerator master control borad 50 also has timing work(
Can, start timing after master control borad 50 receives the shutdown signal of aspiration pump 40, it becomes possible to determine that the closing of aspiration pump 40 continues
Time.
Step S606, if step S604 judged results are no, then judges whether controlled atmosphere compartment is opened and closes.
Step S608, if the judged result of step S606 is yes, waits controlled atmosphere space to be closed to default up to second
Time.If the judged result of step S606 is no, return to step S604.
Step S610, control aspiration pump 40 is opened, and is closed after the Preset Time of continuous service first.
Step S612, if the judged result of step S604 is no, continues to determine whether within the shut-in time of aspiration pump 40
Door body is detected to be opened.
Step S614, if the judged result of step S612 is no, extends to the shut-in time of aspiration pump 40 the 4th and presets
Time.If master control borad 50 is closed up to closing in the time period for reaching the 3rd Preset Time from aspiration pump 40, do not receive always
The enabling signal of door body open-close detection apparatus 70, then illustrate that user is not used refrigerator within the time period, in controlled atmosphere space
The nitrogen loss in portion is smaller, can now postpone the opening time of aspiration pump 40, to reduce the working time of aspiration pump 40.At this
In embodiment, after being extended into the 4th Preset Time the shut-in time of aspiration pump 40, aspiration pump 40 is then turned on.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
Judged result be yes, illustrate that user used refrigerator, user open door body during, the nitrogen in controlled atmosphere space
Have sub-fraction to leak to outside refrigerating device, cause nitrogen gas concn to decline, step S610 is now performed, 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
Following steps are performed successively：
Step S702, the door body opening times for obtaining refrigerating device exceed the time period of predetermined threshold value.The above-mentioned time
Section is to determine that what is drawn frequently uses the time period of refrigerating device according to the use habit of user.Master control borad 50 can be first pre-
If time-count cycle, and multiple timing statisticses sections will be divided into time-count cycle, then for each timing statistics section sets corresponding meter
Number device, and counted in corresponding counter according to the moment that switch gate event occurs.Above-mentioned time-count cycle can be one
My god, or one week.For example in the present embodiment, time-count cycle is one day, will can be set in units of 20 minutes daily
72 timing statisticses sections, respectively：00:00 to 00:20、00:20 to 00:40、……、23:20 to 23:40、23:40 to 00:
00.For each timing statistics section sets corresponding counter, i.e., 72 counters are set altogether.According to switch gate event occur when
It is engraved in corresponding counter and is counted, the moment that for example switch gate event occurs is 08:10, then 08:00 to 08:20
Time period, corresponding counter inside counting added 1.By after the statistics of the time-count cycle of certain number of times, master control borad 50 records refrigerator
Door body opening times exceed the time period of predetermined threshold value.For example, predetermined threshold value is 5,08:00 to 08:Phase in 20 time period
It is 7 to answer the counts of counter, then 08:00 to 08:20 is the time period for meeting above-mentioned requirements.Above-mentioned predetermined threshold value can be with root
Size according to time-count cycle and timing statisticses section determines.
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 time period.
Step S708, if the judged result of step S706 is yes, keeps the closed mode of aspiration pump 40 until the time period ties
Beam.Master control borad 50 forbids aspiration pump 40 to be run within the time 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, causes the rich nitrogen environment of new generation to be destroyed again.Specifically
, if aspiration pump 40 works, and now reaching exactly to the above-mentioned time period, then master control borad 50 can immediately close aspiration pump
40, or certain moment within the above-mentioned time period, the requirement for opening aspiration pump 40 has just been reached, master control borad 50 can postpone pumping
Pump 40 is opened, and after the above-mentioned time 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
Following steps are performed successively：
Step S802, judges whether the compressor 21 of refrigerating device is opened.
Step S804, if the judged result of step S802 is yes, keeps aspiration pump 40 to close until compressor 21 is closed.Such as
The compressor 21 and aspiration pump 40 of fruit refrigerating device start simultaneously, and the noise that both produce can be superimposed amplification, influence user
Normal life, therefore, in the present embodiment, master control borad 50 forbids compressor 21 and aspiration pump 40 to start simultaneously.Specifically, if certain
One moment, compressor 21 is currently running, and has now also reached the condition of the unlatching of aspiration pump 40, and now master control borad 50 can postpone
Aspiration pump 40 is opened, until opening aspiration pump 40 after compressor 21 is shut down.Or a certain moment, aspiration pump 40 is just in work
Make, and now compressor 21 opens work, master control borad 50 can immediately close aspiration pump 40, wait compressor 21 complete again after shutting down
Into follow-up pumping work.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of control method of refrigerating device, the storage space of the refrigerating device is internally provided with controlled atmosphere
Space, the refrigerating device is 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 outwards extract the gas in the controlled atmosphere space out, so that the controlled atmosphere space
Controlled atmosphere membrane module described in interior air flow, and make air in the controlled atmosphere space in the presence of the controlled atmosphere membrane module
In part or all of oxygen rich gas discharge the controlled atmosphere space, and the aspiration pump via pipeline and the aspiration pump
Maximum service rating be more than predetermined power, the control method includes：
Closed after opening the aspiration pump and the Preset Time of continuous service first, to cause the controlled atmosphere interior volume nitrogen
Concentration reaches preset concentration threshold value；
Detect whether the controlled atmosphere space is opened and is then turned off；
If so, waiting the controlled atmosphere space to be closed to up to after the second Preset Time, the aspiration pump is controlled to open, and
Closed after first Preset Time described in continuous service.
2. method according to claim 1, wherein also including after step after aspiration pump closing：
Judge whether the aspiration pump is turned off more than the 3rd Preset Time；
If so, controlling the aspiration pump to open and the first Preset Time described in continuous service.
3. method according to claim 2, wherein it is determined that the aspiration pump is turned off the step more than the 3rd Preset Time
Also include after rapid：
Judge that the door body that whether the refrigerating device is detected within the shut-in time of the aspiration pump is opened；
If it is not, after then being extended into the 4th Preset Time the shut-in time of the aspiration pump, then perform the unlatching aspiration pump
Step.
4. according to the method in any one of claims 1 to 3, also include：
The door body opening times for obtaining the refrigerating device exceed the time period of predetermined threshold value；
Obtain the time of running of the refrigerating device；
Judge whether the time of running is located in the time period；And
If the determination result is YES, the closed mode of the aspiration pump is kept until the time period terminates.
5. according to the method in any one of claims 1 to 3, also include：
Detect whether the compressor of the refrigerating device is opened；
If so, keeping the aspiration pump to close until the compressor is closed.
6. a kind of refrigerating device, including：
Casing, defines storage space in the casing, the storage space is internally provided with controlled atmosphere space；
Controlled atmosphere membrane module, the controlled atmosphere membrane module has controlled atmosphere film and an oxygen rich gas collecting chamber, and the controlled atmosphere film side court
To the oxygen rich gas collecting chamber, with pressure of the pressure of the oxygen rich gas collecting chamber less than the opposite side of the controlled atmosphere film
When, the oxygen rich gas in the air of the opposite side of the controlled atmosphere film is collected into the oxygen rich gas through the controlled atmosphere film
Chamber；
Aspiration pump, its entrance point is connected via pipeline with the oxygen rich gas collecting chamber of the controlled atmosphere membrane module, the pumping
The maximum service rating of pump is more than predetermined power, and the aspiration pump is configured to outwards take out the gas in the controlled atmosphere space
Go out, so that controlled atmosphere membrane module described in air flow in the controlled atmosphere space, and in the presence of the controlled atmosphere membrane module
The part or all of oxygen rich gas in the controlled atmosphere space in air is set to enter the oxygen rich gas collecting chamber, by by institute
State pipeline and the aspiration pump and discharge the controlled atmosphere space, so as to obtained in the controlled atmosphere space rich nitrogen oxygen deprivation with
Beneficial to the atmosphere of food fresh-keeping；
Master control borad, is configured to be closed after controlling the Preset Time of aspiration pump continuous service first, to cause the controlled atmosphere
Interior volume nitrogen gas concn reaches preset concentration threshold value；
Controlled atmosphere space open-close detection apparatus, are arranged at the opening in the controlled atmosphere space, are configured to detect the gas
Adjust whether fresh-keeping space is opened and is then turned off；Wherein
The master control borad, is configured to waiting the controlled atmosphere space to be closed to up to after the second Preset Time described in unlatching
Aspiration pump, and make closing after the first Preset Time described in its continuous service.
7. refrigerating device according to claim 6, wherein the master control borad is configured to：
Judge whether the aspiration pump is turned off more than the 3rd Preset Time；
If so, controlling the aspiration pump to open and the first Preset Time described in continuous service.
8. refrigerating device according to claim 7, also includes：
Door body open-close detection apparatus, are arranged in the casing or the door body, are configured to detect the refrigerating device
Whether door body is opened；Wherein
The master control borad, is configured to judge whether the refrigerating device is detected within the shut-in time of the aspiration pump
Door body be opened, if it is not, after then being extended into the 4th Preset Time the shut-in time of the aspiration pump, then to perform unlatching described
The step of aspiration pump.
9. the refrigerating device according to any one of claim 6 to 8, wherein the master control borad is configured to：
The door body opening times for obtaining the refrigerating device exceed the time period of predetermined threshold value, obtain the refrigerating dress
The time of running put, judge whether the time of running is located in the time period, and if the determination result is YES, keep described
The closed mode of aspiration pump terminates up to the time period.
10. the refrigerating device according to any one of claim 6 to 8, also includes：
Compressor, is configured as the refrigerating device refrigeration；Wherein
The master control borad is configured to, and detects whether the compressor of 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 |
Publications (2)
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| CN106679320A true CN106679320A (en) | 2017-05-17 |
| CN106679320B 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018103727A1 (en) * | 2016-12-09 | 2018-06-14 | 青岛海尔股份有限公司 | Refrigerating and freezing device and control method therefor |
| CN109855375A (en) * | 2017-11-30 | 2019-06-07 | 青岛海尔股份有限公司 | Refrigerating device and its remove oxygen control method |
| 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 |
| CN115597290A (en) * | 2021-07-07 | 2023-01-13 | 合肥华凌股份有限公司（Cn） | Controlled atmosphere preservation control method, control device, preservation device and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| 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 |
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| 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 |
| CN115597290A (en) * | 2021-07-07 | 2023-01-13 | 合肥华凌股份有限公司（Cn） | Controlled atmosphere preservation control method, control device, preservation device and refrigerator |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106679320B (en) | 2019-04-02 |
| WO2018103727A1 (en) | 2018-06-14 |
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