CN113865191A - Fresh-keeping refrigerator and control method thereof - Google Patents

Fresh-keeping refrigerator and control method thereof Download PDF

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Publication number
CN113865191A
CN113865191A CN202111210897.7A CN202111210897A CN113865191A CN 113865191 A CN113865191 A CN 113865191A CN 202111210897 A CN202111210897 A CN 202111210897A CN 113865191 A CN113865191 A CN 113865191A
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CN
China
Prior art keywords
drawer
vacuum
preservation
fresh
keeping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111210897.7A
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Chinese (zh)
Inventor
陈佳弘
焦雯姝
刘畅
程星光
钟泽健
王玥心怡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202111210897.7A priority Critical patent/CN113865191A/en
Publication of CN113865191A publication Critical patent/CN113865191A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • F25D25/02Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024Slidable shelves
    • F25D25/025Drawers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a fresh-keeping refrigerator and a control method thereof, wherein the fresh-keeping refrigerator comprises: the fresh-keeping drawer is internally provided with a fresh-keeping space which is relatively isolated from air; the crisper drawer comprises at least: the modified atmosphere preservation drawer comprises a modified atmosphere preservation drawer, a first vacuum preservation drawer positioned in the refrigerating chamber and a second vacuum preservation drawer positioned in the freezing chamber; the air-conditioning assembly is used for separating oxygen from the air-conditioning preservation drawer or vacuumizing the vacuum preservation drawer. The invention solves the problem that the preservation drawer in the prior art can not meet the storage requirements of different food materials at the same time, so that the preservation refrigerator meets the storage requirements of different food materials, and the food freshness is improved.

Description

Fresh-keeping refrigerator and control method thereof
Technical Field
The invention relates to the technical field of refrigerators, in particular to a fresh-keeping refrigerator and a control method thereof.
Background
With the continuous improvement of living standard and the improvement of dietary structure, people have higher and higher requirements on freshness of food and durability of food preservation. The refrigerator is a terminal for storing food for consumers, and the demand of people for the fresh-keeping function of the refrigerator is increasingly improved.
At present, the air-conditioning preservation technology can generally meet the requirements of people, and usually, the oxygen concentration or the vacuum degree in a drawer is adjusted by using air-conditioning equipment. By reducing the oxygen concentration in the drawer or improving the vacuum degree, the aims of inhibiting aerobic respiration of fruits and vegetables, reducing water loss of food materials, delaying oxidative deterioration of food and the like are fulfilled.
However, the existing fresh-keeping drawer is basically one, but the requirements of different food materials on the storage environment are different. Therefore, the existing preservation drawer cannot simultaneously meet the storage requirements of different food materials.
Aiming at the problem that the preservation drawer in the related art cannot simultaneously meet the storage requirements of different food materials, no effective solution is provided at present.
Disclosure of Invention
The invention provides a preservation refrigerator and a control method thereof, which at least solve the problem that a preservation drawer in the prior art cannot simultaneously meet the storage requirements of different food materials.
To solve the above technical problem, according to an aspect of an embodiment of the present invention, there is provided a freshness refrigerator including: the fresh-keeping drawer is internally provided with a fresh-keeping space which is relatively isolated from air; the crisper drawer comprises at least: the modified atmosphere preservation system comprises a modified atmosphere preservation drawer 1, a first vacuum preservation drawer 2 positioned in a refrigerating chamber and a second vacuum preservation drawer 3 positioned in a freezing chamber; the air-conditioning assembly is used for separating oxygen from the air-conditioning preservation drawer 1 or vacuumizing the vacuum preservation drawer.
Further, the modified atmosphere subassembly includes at least: the nitrogen-oxygen separation membrane module is used for separating oxygen from the modified atmosphere preservation drawer 1; and the vacuum preservation assembly is used for vacuumizing the vacuum preservation drawer.
Further, the nitrogen-oxygen separation membrane module comprises: the nitrogen-oxygen separation membrane module 4 is used for separating nitrogen and oxygen; the gas conditioning assembly comprises: the vacuum pump 6 is connected with the nitrogen-oxygen separation membrane module 4 through a first air exhaust pipe 7, and the vacuum pump 6 exhausts oxygen in the air-conditioning and freshness-keeping drawer 1 through the nitrogen-oxygen separation membrane module 4; wherein, the nitrogen-oxygen separation membrane module 4 is at least partially arranged in the modified atmosphere preservation drawer 1, and the vacuum pump 6 is arranged outside the modified atmosphere preservation drawer 1.
Further, the vacuum freshness keeping assembly comprises: the second air exhaust pipe 8, the vacuum pump 6 and the first vacuum fresh-keeping drawer 2 are connected through the second air exhaust pipe 8; and the third exhaust tube 9, the vacuum pump 6 and the second vacuum fresh-keeping drawer 3 are connected through the third exhaust tube 9.
Further, the nitrogen-oxygen separation membrane module also comprises: a first on-off valve 10 located on the first extraction duct 7; the vacuum freshness retaining assembly further comprises: the second switch valve 11 is positioned on the second air extraction pipe 8; and the third switch valve 12 is positioned on the third air extraction pipe 9.
Further, the nitrogen-oxygen separation membrane module includes a wind power part 14, and the wind power part 14 is provided at the nitrogen-oxygen separation membrane module 4 for circulating air at the nitrogen-oxygen separation membrane module 4 to prevent nitrogen from being accumulated.
Further, the wind power unit 14 is a fan mounted on the nox separation membrane module 4, and two fans are provided, and the two fans are provided in parallel on the nox separation membrane module 4.
Further, the modified atmosphere preservation drawer 1 further comprises: and the moisture removing component 5 is arranged on the fresh-keeping drawer and is used for removing moisture from the fresh-keeping drawer.
Further, the dehumidifying assembly 5 includes: a moisture discharge port 51, wherein the moisture discharge port 51 is used for discharging moisture in the fresh-keeping space; and an adjusting member 52, wherein the adjusting member 52 is used for adjusting the opening and closing of the moisture discharging port 51.
Further, the dehumidifying assembly 5 includes: a base plate 53, the moisture exhaust port 51 is arranged on the base plate 53, and the adjusting piece 52 is movably arranged on the base plate 53 to adjust the opening and closing of the moisture exhaust port 51; wherein the adjusting member 52 is a baffle; a slide rail 54, the slide rail 54 is installed on the base plate 53, and the baffle is slidably installed on the slide rail 54.
Further, still include: the oxygen concentration sensor is positioned in the controlled atmosphere preservation drawer 1 and is used for detecting the oxygen concentration in the controlled atmosphere preservation drawer 1; the vacuum degree sensors are positioned in the first vacuum preservation drawer 2 and the second vacuum preservation drawer 3 and are used for detecting the vacuum degrees in the first vacuum preservation drawer 2 and the second vacuum preservation drawer 3; and the door opening and closing sensor is positioned on the fresh-keeping drawer and used for identifying whether the fresh-keeping drawer is opened or not.
According to another aspect of the embodiments of the present invention, there is provided a method for controlling a freshness refrigerator, which is applied to the freshness refrigerator, and includes: detecting whether a fresh-keeping drawer is opened; if yes, determining the opened fresh-keeping drawer; and controlling the opening of the air-conditioning assembly to adjust the environmental parameters in the opened fresh-keeping drawer.
Further, control modified atmosphere subassembly and open, include: detecting whether the opened preservation drawer comprises a second vacuum preservation drawer or not; if the second vacuum preservation drawer is included, controlling the air-conditioning assembly to adjust the vacuum degree in the second vacuum preservation drawer; after the vacuum degree in the second vacuum refreshing drawer is adjusted, detecting whether the opened refreshing drawer comprises a controlled atmosphere refreshing drawer or the second vacuum refreshing drawer; and if the controlled atmosphere preservation drawer or the second vacuum preservation drawer is included, the controlled atmosphere component is controlled according to the controlled atmosphere preservation drawer or the second vacuum preservation drawer.
Further, still include: if the second vacuum preservation drawer is not included, detecting whether the opened preservation drawer comprises a controlled atmosphere preservation drawer or the second vacuum preservation drawer; and if the controlled atmosphere preservation drawer or the second vacuum preservation drawer is included, the controlled atmosphere component is controlled according to the controlled atmosphere preservation drawer or the second vacuum preservation drawer.
Further, controlling the controlled atmosphere assembly to adjust the vacuum degree in the second vacuum fresh-keeping drawer comprises: controlling the vacuum pump to be started and controlling a third switch valve to be started; controlling a modified atmosphere assembly according to a modified atmosphere drawer or a second vacuum fresh drawer, comprising: when the opened preservation drawer comprises an air-conditioned preservation drawer, controlling a moisture-removing component to remove moisture from the preservation drawer, and after moisture removal is finished, controlling a vacuum pump to be opened and controlling a first switch valve to be opened; and when the opened preservation drawer comprises a vacuum preservation drawer, controlling the vacuum pump to be opened and controlling the second switch valve to be opened.
Further, control hydrofuge subassembly carries out the hydrofuge to fresh-keeping drawer, includes: and controlling the regulating member positioned at the moisture exhaust port to be in a fully opened state.
Further, after controlling the first switch valve to be opened, the method further comprises: controlling the opening of a wind power component of the nitrogen-oxygen separation membrane module; detecting the oxygen concentration in the modified atmosphere preservation drawer; and when the oxygen concentration is reduced to the preset concentration, controlling the wind power component and the vacuum pump to be closed.
Further, after the freshness drawer is determined to be opened, the method further comprises the following steps: after the preset time, detecting whether the opened fresh-keeping drawer is closed; if yes, triggering and controlling the controlled atmosphere component to be started; otherwise, reminding the user to close the opened fresh-keeping drawer.
According to yet another aspect of an embodiment of the present invention, there is provided a storage medium containing computer-executable instructions for performing the crisper control method as described above when executed by a computer processor.
In the present invention, there is provided a crisper having a vacuum crisper drawer or a modified atmosphere crisper drawer, wherein the vacuum crisper drawer comprises at least: a first vacuum crisper drawer located in the cold storage compartment and a second vacuum crisper drawer located in the freezer compartment. And the air-conditioning assembly is arranged and used for separating oxygen from the air-conditioning preservation drawer or vacuumizing the vacuum preservation drawer. Through having different gas conditioning functions and having the fresh-keeping drawer of different storage functions, classify the storage to different edible materials to satisfy the requirement of different edible materials to the storage environment, effectively solved among the prior art problem that the storage requirement of different edible materials can't be satisfied simultaneously to the fresh-keeping drawer, make the fresh-keeping refrigerator satisfy the storage demand of different edible materials, improve the fresh degree of food.
Drawings
FIG. 1 is a schematic diagram of an alternative configuration of a crisper according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an alternative nitrogen-oxygen separation membrane module according to an embodiment of the present invention;
FIG. 3 is a schematic view showing an alternative state in which a moisture discharge port is opened according to an embodiment of the present invention;
FIG. 4 is a schematic view showing an alternative state in which a moisture discharge port is closed according to an embodiment of the present invention;
FIG. 5 is an alternative flow chart of a crisper control method according to an embodiment of the present invention;
fig. 6 is another alternative flow chart of the crisper control method according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Example 1
In a preferred embodiment 1 of the present invention, there is provided a freshness refrigerator, specifically, fig. 1 shows an alternative structural schematic diagram of the freshness refrigerator, as shown in fig. 1, the freshness refrigerator includes:
the fresh-keeping drawer is internally provided with a fresh-keeping space which is relatively isolated from air;
the crisper drawer comprises at least: the modified atmosphere preservation system comprises a modified atmosphere preservation drawer 1, a first vacuum preservation drawer 2 positioned in a refrigerating chamber and a second vacuum preservation drawer 3 positioned in a freezing chamber; the controlled atmosphere preservation drawer 1 can be used as a fruit and vegetable drawer, the first vacuum preservation drawer 2 can be used as a dry goods drawer, and the second vacuum preservation drawer 3 can be used as a meat drawer.
The air-conditioning assembly is used for separating oxygen from the air-conditioning preservation drawer 1 or vacuumizing the vacuum preservation drawer.
In the above embodiments, there is provided a crisper having a vacuum crisper drawer or a modified atmosphere crisper drawer, wherein the vacuum crisper drawer at least comprises: a first vacuum crisper drawer located in the cold storage compartment and a second vacuum crisper drawer located in the freezer compartment. And the air-conditioning assembly is arranged and used for separating oxygen from the air-conditioning preservation drawer or vacuumizing the vacuum preservation drawer. Through having different gas conditioning functions and having the fresh-keeping drawer of different storage functions, classify the storage to different edible materials to satisfy the requirement of different edible materials to the storage environment, effectively solved among the prior art problem that the storage requirement of different edible materials can't be satisfied simultaneously to the fresh-keeping drawer, make the fresh-keeping refrigerator satisfy the storage demand of different edible materials, improve the fresh degree of food.
Wherein, the gas is transferred the subassembly and is included at least: the nitrogen-oxygen separation membrane module is used for separating oxygen from the modified atmosphere preservation drawer 1; and the vacuum preservation assembly is used for vacuumizing the vacuum preservation drawer.
The nitrogen-oxygen separation membrane module comprises: the nitrogen-oxygen separation membrane module 4 is used for separating nitrogen and oxygen; the gas conditioning assembly comprises: the vacuum pump 6 is connected with the nitrogen-oxygen separation membrane module 4 through a first air exhaust pipe 7, and the vacuum pump 6 exhausts oxygen in the air-conditioning and freshness-keeping drawer 1 through the nitrogen-oxygen separation membrane module 4; wherein, the nitrogen-oxygen separation membrane module 4 is at least partially arranged in the modified atmosphere preservation drawer 1, and the vacuum pump 6 is arranged outside the modified atmosphere preservation drawer 1.
In the technical scheme of this kind of implementing, the nitrogen oxygen separation membrane module includes nitrogen oxygen separation membrane module 4 and vacuum pump 6, and nitrogen oxygen separation membrane module 4 is used for separating nitrogen gas and oxygen, and vacuum pump 6 links to each other through first exhaust tube 7 with nitrogen oxygen separation membrane module 4, and vacuum pump 6 takes out the oxygen in the fresh-keeping space through nitrogen oxygen separation membrane module 4. As shown in fig. 1, when using, the nitrogen-oxygen separation membrane module 4 is disposed in the fresh-keeping space, the vacuum pump 6 is disposed outside the fresh-keeping space, the vacuum pump 6 acts on the nitrogen-oxygen separation membrane module 4 through the exhaust tube 23, the nitrogen-oxygen separation membrane module 4 only allows oxygen to pass through, and nitrogen remains in the fresh-keeping space, and the oxygen separated by the nitrogen-oxygen separation membrane module 4 is discharged to the external space through the exhaust tube 23 and the vacuum pump 6.
Optionally, in the technical solution of this embodiment, the nitrogen-oxygen separation membrane module 4 is at least partially disposed inside the fresh-keeping drawer, and the vacuum pump 6 is disposed outside the fresh-keeping drawer. Wherein, should guarantee at least that the separation nitrogen gas circulation's of nitrogen oxygen separation membrane module 4 one side is located fresh-keeping drawer when using, let whole nitrogen oxygen separation membrane module 4 also be feasible within fresh-keeping drawer certainly. The vacuum pump 6 is arranged outside the fresh-keeping drawer and is connected with the nitrogen-oxygen separation membrane module 4 through the exhaust tube 23, the position of the vacuum pump 6 can be the position adjacent to the fresh-keeping drawer, and also can be the position far away from the fresh-keeping drawer, such as the positions of an inner container of a refrigerator or a compressor bin, and the like, as long as the vacuum pump is connected with the nitrogen-oxygen separation membrane module 4 through the exhaust tube 23.
More preferably, as shown in FIG. 2, the nitrogen and oxygen separation membrane module includes a wind power part 14, and the wind power part 14 is provided at the nitrogen and oxygen separation membrane module 4. When in use, the wind power component 14 can enable air at the nitrogen-oxygen separation membrane module 4 to circulate to prevent nitrogen from gathering, so that the separation efficiency of the nitrogen-oxygen separation membrane module on oxygen in the fresh-keeping space is improved.
As an alternative embodiment, the wind power unit 14 is a fan mounted on the nitrogen-oxygen separation membrane module 4. Preferably, the number of the fans is two, and the two fans are arranged on the nitrogen-oxygen separation membrane module 4 in parallel, so that the air circulation efficiency in the fresh-keeping space is improved. As a further alternative, the wind member 14 may also be a ventilation board that is movable to circulate the air flow.
The vacuum freshness retaining assembly comprises: the second air exhaust pipe 8, the vacuum pump 6 and the first vacuum fresh-keeping drawer 2 are connected through the second air exhaust pipe 8; and the third exhaust tube 9, the vacuum pump 6 and the second vacuum fresh-keeping drawer 3 are connected through the third exhaust tube 9.
The nitrogen-oxygen separation membrane module also comprises: a first on-off valve 10 located on the first extraction duct 7; the vacuum freshness retaining assembly further comprises: the second switch valve 11 is positioned on the second air extraction pipe 8; and the third switch valve 12 is positioned on the third air extraction pipe 9.
A vacuum pump 6 is connected with the air-conditioning preservation drawer 1 and the vacuum preservation drawer through pipelines, the air exhaust sequence is controlled by using an electromagnetic valve, the oxygen reduction function and the vacuum pumping function are realized, the cost is saved, and meanwhile, different requirements of food materials such as fruits, vegetables, meat and dry goods on the storage environment are met. The air-conditioning assembly can control the air-extracting sequence according to the condition that a user opens and closes the drawer, and preferentially vacuumizes the meat drawer under the same condition, so that the meat freezing rate is increased, the ice crystal is reduced, and the fresh-keeping effect of the meat is improved.
In a preferred embodiment of the present invention, the modified atmosphere preservation drawer 1 further comprises: and the moisture removing component 5 is arranged on the fresh-keeping drawer and is used for removing moisture from the fresh-keeping drawer. The dehumidifying module 5 includes: a moisture discharge port 51, wherein the moisture discharge port 51 is used for discharging moisture in the fresh-keeping space; and an adjusting member 52, the adjusting member 52 adjusting opening and closing of the moisture discharge port 51. The modified atmosphere preservation drawer 1 is used as a fruit and vegetable drawer, and after a user performs opening and closing actions on the fruit and vegetable drawer, condensation can appear on the inner wall of the drawer due to temperature difference caused by opening and closing the drawer due to high humidity in the drawer. The fruit and vegetable drawer is provided with the moisture discharging port, whether the moisture discharging port is opened or not is controlled according to the condition that a user opens and closes the drawer, after the user opens and closes the fruit and vegetable drawer, moisture is discharged firstly, air is adjusted afterwards, and condensation is avoided.
Wherein, the dehumidifying component 5 comprises: a base plate 53, the moisture exhaust port 51 is arranged on the base plate 53, and the adjusting piece 52 is movably arranged on the base plate 53 to adjust the opening and closing of the moisture exhaust port 51; wherein the adjusting member 52 is a baffle; a slide rail 54, the slide rail 54 is installed on the base plate 53, and the baffle is slidably installed on the slide rail 54. Fig. 3 is a schematic view showing a state where the moisture exhaust port 51 is opened, and fig. 4 is a schematic view showing a state where the moisture exhaust port 51 is closed, and as shown in the figure, only the adjusting member 52, i.e., the shutter, needs to be moved to achieve different opening and closing states of the moisture exhaust port 51.
In addition, the freshness refrigerator further includes: the oxygen concentration sensor is positioned in the controlled atmosphere preservation drawer 1 and is used for detecting the oxygen concentration in the controlled atmosphere preservation drawer 1; the vacuum degree sensors are positioned in the first vacuum preservation drawer 2 and the second vacuum preservation drawer 3 and are used for detecting the vacuum degrees in the first vacuum preservation drawer 2 and the second vacuum preservation drawer 3; the door opening and closing sensor is positioned on the fresh-keeping drawer and comprises the three drawers and is used for identifying whether the fresh-keeping drawer is opened or not.
As another optional embodiment of the invention, an air-adjusting film 13 is further disposed on the fresh-keeping drawer for adjusting the gas concentration of the fresh-keeping space relative to the external space; the modified atmosphere film can be used for adjusting the oxygen concentration, the carbon dioxide concentration and the water vapor concentration, namely the humidity of the fresh-keeping space relative to the external space.
By applying the technical scheme of the invention, oxygen can be separated from the fresh-keeping space through the nitrogen-oxygen separation membrane component, so that a low-oxygen atmosphere is created in the fresh-keeping space, and the fresh keeping of food materials such as fruits and vegetables is facilitated. And can finely tune oxygen concentration and carbon dioxide concentration in the fresh-keeping space through the gas modified membrane, the in-process that the fresh-keeping space was using, under the respiratory of edible materials such as vegetables, can let the oxygen concentration in the fresh-keeping space further descend, and let carbon dioxide concentration rise, consequently can let the oxygen of external space appropriately supply into the fresh-keeping space through the gas modified membrane, let the carbon dioxide in the fresh-keeping space spill over to external space, just so avoided in the fresh-keeping space because of oxygen concentration low excessively, the anaerobic respiration of edible materials such as vegetables and fruits that the carbon dioxide concentration is too high arouses for oxygen concentration.
In addition, the modified atmosphere film can also maintain the humidity in the preservation space at a certain level, which is beneficial to the preservation of food materials such as fruits and vegetables.
Example 2
In a preferred embodiment 2 of the present invention, a method for controlling a freshness refrigerator is provided, which is applied to the freshness refrigerator in the above embodiment 1. Specifically, fig. 5 shows an alternative flowchart of the method, and as shown in fig. 5, the method includes the following steps S502-S506:
s502: detecting whether a fresh-keeping drawer is opened;
s504: if yes, determining the opened fresh-keeping drawer;
s506: and controlling the opening of the air-conditioning assembly to adjust the environmental parameters in the opened fresh-keeping drawer.
In the above embodiments, there is provided a crisper having a vacuum crisper drawer or a modified atmosphere crisper drawer, wherein the vacuum crisper drawer at least comprises: a first vacuum crisper drawer located in the cold storage compartment and a second vacuum crisper drawer located in the freezer compartment. And the air-conditioning assembly is arranged and used for separating oxygen from the air-conditioning preservation drawer or vacuumizing the vacuum preservation drawer. Through having different gas conditioning functions and having the fresh-keeping drawer of different storage functions, classify the storage to different edible materials to satisfy the requirement of different edible materials to the storage environment, effectively solved among the prior art problem that the storage requirement of different edible materials can't be satisfied simultaneously to the fresh-keeping drawer, make the fresh-keeping refrigerator satisfy the storage demand of different edible materials, improve the fresh degree of food.
Controlling the opening of the controlled atmosphere component comprises: detecting whether the opened preservation drawer comprises a second vacuum preservation drawer or not; if the second vacuum preservation drawer is included, controlling the air-conditioning assembly to adjust the vacuum degree in the second vacuum preservation drawer; after the vacuum degree in the second vacuum refreshing drawer is adjusted, detecting whether the opened refreshing drawer comprises a controlled atmosphere refreshing drawer or the second vacuum refreshing drawer; and if the controlled atmosphere preservation drawer or the second vacuum preservation drawer is included, the controlled atmosphere component is controlled according to the controlled atmosphere preservation drawer or the second vacuum preservation drawer. The air exhaust sequence is controlled according to the condition that a user opens and closes the drawer, and the meat drawer is preferentially vacuumized under the same condition, so that the meat freezing speed is accelerated, the ice crystal is reduced, and the fresh-keeping effect of the meat is improved.
If the second vacuum preservation drawer is not included, detecting whether the opened preservation drawer comprises a controlled atmosphere preservation drawer or the second vacuum preservation drawer; and if the controlled atmosphere preservation drawer or the second vacuum preservation drawer is included, the controlled atmosphere component is controlled according to the controlled atmosphere preservation drawer or the second vacuum preservation drawer. Namely, after the second vacuum fresh-keeping drawer is subjected to air conditioning, the rest drawers are subjected to air conditioning.
Specifically, the controlling of the controlled atmosphere assembly to regulate the vacuum degree in the second vacuum fresh-keeping drawer comprises: controlling the vacuum pump to be started and controlling a third switch valve to be started; controlling a modified atmosphere assembly according to a modified atmosphere drawer or a second vacuum fresh drawer, comprising: when the opened preservation drawer comprises an air-conditioned preservation drawer, controlling a moisture-removing component to remove moisture from the preservation drawer, and after moisture removal is finished, controlling a vacuum pump to be opened and controlling a first switch valve to be opened; and when the opened preservation drawer comprises a vacuum preservation drawer, controlling the vacuum pump to be opened and controlling the second switch valve to be opened. The modified atmosphere preservation drawer is used as a fruit and vegetable drawer, and after a user performs opening and closing actions on the fruit and vegetable drawer, condensation can appear on the inner wall of the drawer due to temperature difference caused by opening and closing the drawer due to higher humidity in the drawer. The fruit and vegetable drawer is provided with the moisture discharging port, whether the moisture discharging port is opened or not is controlled according to the condition that a user opens and closes the drawer, after the user opens and closes the fruit and vegetable drawer, moisture is discharged firstly, air is adjusted afterwards, and condensation is avoided.
The control hydrofuge subassembly is dehumidified fresh-keeping drawer, includes: and controlling the regulating member positioned at the moisture exhaust port to be in a fully opened state.
After controlling the first switch valve to be opened, the method further comprises the following steps: controlling the opening of a wind power component of the nitrogen-oxygen separation membrane module; detecting the oxygen concentration in the modified atmosphere preservation drawer; and when the oxygen concentration is reduced to the preset concentration, controlling the wind power component and the vacuum pump to be closed. The wind power component is arranged on the nitrogen-oxygen separation membrane module, so that the air circulation efficiency in the fresh-keeping space is improved.
After the freshness drawer is determined to be opened, the method further comprises the following steps: after the preset time, detecting whether the opened fresh-keeping drawer is closed; if yes, triggering and controlling the controlled atmosphere component to be started; otherwise, reminding the user to close the opened fresh-keeping drawer. If the drawer does not reset, the user is reminded to close the drawer which is not reset so as to avoid electric quantity loss and influence the freshness degree of food materials.
Another method for controlling a fresh-keeping refrigerator is further provided in preferred embodiment 2 of the present invention, and specifically, fig. 6 shows an alternative flowchart of the method, and as shown in fig. 6, the method includes the following steps S601-S624:
s601: the door opening and closing sensor judges the state of the drawer;
s602: recognizing that the drawer is opened;
s603: recording the opened drawer; after the drawer is identified to be opened, recording the opened drawer within 15 min;
s604: judging whether all the drawers are reset or not; if yes, go to step S606, otherwise, go to step S605;
s605: if not, reminding the user to close the non-reset drawer; if the drawer is not reset, reminding a user to close the drawer which is not reset so as to avoid electric quantity loss and influence on the freshness degree of food materials;
s606: judging whether the second vacuum preservation drawer is recorded or not; firstly, judging whether a meat drawer (a second vacuum preservation drawer) is opened by a user; if yes, go to step S607, otherwise, go to step S611;
s607: opening the third switch valve; if so, opening a third switch valve firstly to ensure that the vacuum pump preferentially vacuumizes the meat drawer (the second vacuum preservation drawer);
s608: starting a vacuum pump;
s609: vacuumizing the second vacuum preservation drawer to a set vacuum degree; the air heat and the food internal heat are taken away by vacuumizing, so that the refrigerating speed is accelerated;
s610: closing the third switch valve; closing a corresponding third switch valve after the second vacuum preservation drawer is vacuumized;
s611: whether the modified atmosphere preservation drawer is recorded or not; if yes, go to step S612, otherwise, go to step S613;
s612: opening a moisture discharging port; judging whether the fruit and vegetable drawer (controlled atmosphere preservation drawer) is opened by a user, if so, opening a moisture discharging port on the fruit and vegetable drawer (controlled atmosphere preservation drawer) to ensure that the fruit and vegetable drawer (controlled atmosphere preservation drawer) is quickly drenched and condensation is prevented;
s613: judging whether the first vacuum preservation drawer is recorded or not; if yes, go to step S614, otherwise, go to step S618 after 5 min; judging whether the fruit and vegetable drawer (the controlled atmosphere preservation drawer) is opened by a user, if not, judging whether the dry goods drawer (the first vacuum preservation drawer) is opened by the user;
s614: opening a second switch valve; if the dry goods drawer (the first vacuum refreshing drawer) is opened by a user, opening a second switch valve to vacuumize the dry goods drawer (the first vacuum refreshing drawer);
s615: starting a vacuum pump;
s616: vacuumizing the first vacuum preservation drawer to a set vacuum degree;
s617: closing the second switch valve; when the pressure sensor identifies that the vacuum degree in the dry goods drawer (a first vacuum fresh-keeping drawer) reaches a set value, controlling a corresponding valve to be closed;
s618: whether the moisture discharging port is opened or not; if yes, go to step S619, otherwise, go to step S624;
s619: closing the moisture discharging port; judging whether the moisture discharging port is opened, if so, according to the control logic, if the fruit and vegetable drawer (the controlled atmosphere preservation drawer) is opened by a user, closing the moisture discharging port;
s620: opening a first switch valve; opening a first switch valve to pump air out of the fruit and vegetable drawer (air-conditioned fresh-keeping drawer);
s621: starting a vacuum pump;
s622: reducing the oxygen concentration in the modified atmosphere preservation drawer to a set value;
s623: closing the first switch valve;
s624: closing the vacuum pump; when the oxygen concentration sensor identifies that the oxygen concentration of the fruit and vegetable drawer (modified atmosphere preservation drawer) reaches a set value, the first switch valve is controlled to be closed, and the vacuum pump is closed. If the first vacuum refreshing drawer is not opened, the first vacuum refreshing drawer is closed after the moisture exhausting port is opened for 5 min.
Example 3
Based on the method for controlling the freshness refrigerator provided in the above embodiment 2, in a preferred embodiment 3 of the present invention, there is also provided a storage medium containing computer executable instructions, which are executed by a computer processor to perform the method for controlling the freshness refrigerator as described above.
In the above embodiments, there is provided a crisper having a vacuum crisper drawer or a modified atmosphere crisper drawer, wherein the vacuum crisper drawer at least comprises: a first vacuum crisper drawer located in the cold storage compartment and a second vacuum crisper drawer located in the freezer compartment. And the air-conditioning assembly is arranged and used for separating oxygen from the air-conditioning preservation drawer or vacuumizing the vacuum preservation drawer. Through having different gas conditioning functions and having the fresh-keeping drawer of different storage functions, classify the storage to different edible materials to satisfy the requirement of different edible materials to the storage environment, effectively solved among the prior art problem that the storage requirement of different edible materials can't be satisfied simultaneously to the fresh-keeping drawer, make the fresh-keeping refrigerator satisfy the storage demand of different edible materials, improve the fresh degree of food.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (19)

1. A crisper refrigerator, comprising:
the fresh-keeping drawer is internally provided with a fresh-keeping space which is relatively isolated from air; the crisper drawer comprises at least: the modified atmosphere preservation system comprises a modified atmosphere preservation drawer (1), a first vacuum preservation drawer (2) positioned in a refrigerating chamber and a second vacuum preservation drawer (3) positioned in a freezing chamber;
the air-conditioning assembly is used for separating oxygen from the air-conditioning preservation drawer (1) or vacuumizing the vacuum preservation drawer.
2. The crisper refrigerator of claim 1, wherein the modified atmosphere assembly comprises at least:
the nitrogen-oxygen separation membrane module is used for separating oxygen from the modified atmosphere preservation drawer (1);
and the vacuum preservation assembly is used for vacuumizing the vacuum preservation drawer.
3. The crisper refrigerator of claim 2,
the nitrogen-oxygen separation membrane module comprises: the nitrogen-oxygen separation membrane module (4) is used for separating nitrogen and oxygen;
the modified atmosphere subassembly includes: the vacuum pump (6) is connected with the nitrogen-oxygen separation membrane module (4) through a first air exhaust pipe (7), and the vacuum pump (6) exhausts oxygen in the modified atmosphere preservation drawer (1) through the nitrogen-oxygen separation membrane module (4); wherein, the nitrogen-oxygen separation membrane module (4) is at least partially arranged in the modified atmosphere preservation drawer (1), and the vacuum pump (6) is arranged outside the modified atmosphere preservation drawer (1).
4. The crisper refrigerator of claim 3, wherein the vacuum refreshing assembly comprises:
the vacuum pump (6) is connected with the first vacuum preservation drawer (2) through a second air exhaust pipe (8);
and the vacuum pump (6) is connected with the second vacuum fresh-keeping drawer (3) through the third air exhaust pipe (9).
5. The crisper refrigerator of claim 4,
the nitrogen-oxygen separation membrane module further comprises: a first on-off valve (10) located on the first extraction duct (7);
the vacuum freshness retaining assembly further comprises: the second switch valve (11) is positioned on the second air suction pipe (8); and the third switching valve (12) is positioned on the third air extraction pipe (9).
6. The crisper according to claim 3, characterized in that the membrane module comprises a wind power unit (14), the wind power unit (14) being arranged at the membrane module (4) for circulating air at the membrane module (4) to prevent nitrogen accumulation.
7. The crisper refrigerator according to claim 6, characterized in that said wind power unit (14) is a fan mounted on the membrane module (4) and two fans are provided in parallel on the membrane module (4).
8. The crisper refrigerator of claim 1, characterized in that the modified atmosphere drawer (1) further comprises:
and the moisture removing component (5) is arranged on the fresh-keeping drawer and is used for removing moisture from the fresh-keeping drawer.
9. The crisper refrigerator of claim 8, characterized in that said dehumidifying module (5) comprises:
a moisture discharge port (51), wherein the moisture discharge port (51) is used for discharging moisture in the fresh-keeping space;
and the adjusting piece (52), wherein the adjusting piece (52) is used for adjusting the opening and closing of the moisture discharging opening (51).
10. The crisper refrigerator of claim 9, characterized in that said dehumidifying module (5) comprises:
the base plate (53), the moisture exhaust port (51) is arranged on the base plate (53), and the adjusting piece (52) is movably arranged on the base plate (53) to adjust the opening and closing of the moisture exhaust port (51); wherein the adjusting piece (52) is a baffle plate;
a slide rail (54), the slide rail (54) is mounted on the base plate (53), and the baffle is slidably mounted on the slide rail (54).
11. The crisper refrigerator of claim 1, further comprising:
the oxygen concentration sensor is positioned in the modified atmosphere preservation drawer (1) and is used for detecting the oxygen concentration in the modified atmosphere preservation drawer (1);
the vacuum degree sensors are positioned in the first vacuum preservation drawer (2) and the second vacuum preservation drawer (3) and are used for detecting the vacuum degrees in the first vacuum preservation drawer (2) and the second vacuum preservation drawer (3);
and the door opening and closing sensor is positioned on the fresh-keeping drawer and is used for identifying whether the fresh-keeping drawer is opened or not.
12. A freshness refrigerator control method applied to the freshness refrigerator of any one of claims 1 to 11, comprising:
detecting whether a fresh-keeping drawer is opened;
if yes, determining the opened fresh-keeping drawer;
and controlling the opening of the air-conditioning assembly, and adjusting the environmental parameters in the opened fresh-keeping drawer.
13. The method of claim 12, wherein controlling the modified atmosphere component to turn on comprises:
detecting whether the opened preservation drawer comprises a second vacuum preservation drawer or not;
if the second vacuum preservation drawer is included, controlling the air-conditioning assembly to adjust the vacuum degree in the second vacuum preservation drawer;
after the vacuum degree in the second vacuum refreshing drawer is adjusted, detecting whether the opened refreshing drawer comprises a controlled atmosphere refreshing drawer or a second vacuum refreshing drawer;
and if the controlled atmosphere preservation drawer or the second vacuum preservation drawer is included, controlling the controlled atmosphere component according to the controlled atmosphere preservation drawer or the second vacuum preservation drawer.
14. The method of claim 13, further comprising:
if the second vacuum preservation drawer is not included, detecting whether the opened preservation drawer comprises a controlled atmosphere preservation drawer or the second vacuum preservation drawer;
and if the controlled atmosphere preservation drawer or the second vacuum preservation drawer is included, controlling the controlled atmosphere component according to the controlled atmosphere preservation drawer or the second vacuum preservation drawer.
15. The method of claim 14,
controlling the controlled atmosphere component to adjust the vacuum degree in the second vacuum refreshing drawer, comprising: controlling the vacuum pump to be started and controlling a third switch valve to be started;
controlling the modified atmosphere assembly according to the modified atmosphere drawer or the second vacuum fresh drawer, comprising:
when the opened preservation drawer comprises the air-conditioned preservation drawer, controlling a moisture-removing component to remove moisture from the preservation drawer, and after moisture removal is finished, controlling a vacuum pump to be opened and controlling a first switch valve to be opened;
and when the opened fresh-keeping drawer comprises the vacuum fresh-keeping drawer, controlling the vacuum pump to be opened and controlling a second switch valve to be opened.
16. The method of claim 15, wherein the control moisture removal assembly removes moisture from the crisper drawer, comprising: and controlling the regulating member positioned at the moisture exhaust port to be in a fully opened state.
17. The method of claim 15, further comprising, after controlling the first switch valve to open:
controlling the opening of a wind power component of the nitrogen-oxygen separation membrane module;
detecting the oxygen concentration in the modified atmosphere preservation drawer;
and when the oxygen concentration is reduced to a preset concentration, controlling the wind power component and the vacuum pump to be closed.
18. The method of claim 12, further comprising, after said determining an open crisper drawer:
after the preset time, detecting whether the opened fresh-keeping drawer is closed;
if yes, triggering the controlled atmosphere component to be started;
otherwise, reminding the user to close the opened fresh-keeping drawer.
19. A storage medium containing computer executable instructions, wherein the computer executable instructions, when executed by a computer processor, are for performing the crisper control method of any of claims 12 to 18.
CN202111210897.7A 2021-10-18 2021-10-18 Fresh-keeping refrigerator and control method thereof Pending CN113865191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111210897.7A CN113865191A (en) 2021-10-18 2021-10-18 Fresh-keeping refrigerator and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111210897.7A CN113865191A (en) 2021-10-18 2021-10-18 Fresh-keeping refrigerator and control method thereof

Publications (1)

Publication Number Publication Date
CN113865191A true CN113865191A (en) 2021-12-31

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000213856A (en) * 1999-01-25 2000-08-02 Goichi Kato Refrigerator
CN2581909Y (en) * 2002-10-18 2003-10-22 宣昌黎 Electronic vacuum sterilizing freshness-keeping energy-saving refrigerator
CN2624137Y (en) * 2003-05-14 2004-07-07 河南新飞电器有限公司 Vacuum fresh-keeping refrigerator
CN201028914Y (en) * 2006-12-28 2008-02-27 李勋田 Vacuum-recuperating controlled atmosphere fresh-keeping cabinet
JP2008116070A (en) * 2006-11-01 2008-05-22 Matsushita Electric Ind Co Ltd Refrigerator
EP2741031A1 (en) * 2012-12-06 2014-06-11 BSH Bosch und Siemens Hausgeräte GmbH Refrigerator and working method thereof
CN106766515A (en) * 2016-12-02 2017-05-31 青岛海尔股份有限公司 The controlled atmosphere control method of refrigerating equipment and refrigerating equipment
CN111707038A (en) * 2020-05-28 2020-09-25 珠海格力电器股份有限公司 Refrigerating and freezing device and control method thereof
CN113137812A (en) * 2021-04-28 2021-07-20 珠海格力电器股份有限公司 Refrigerator control method and refrigerator
CN113137803A (en) * 2021-04-28 2021-07-20 珠海格力电器股份有限公司 Partitioned air conditioning method for refrigerator and refrigerator
CN213778311U (en) * 2020-08-25 2021-07-23 青岛海尔电冰箱有限公司 Refrigerator with a door

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000213856A (en) * 1999-01-25 2000-08-02 Goichi Kato Refrigerator
CN2581909Y (en) * 2002-10-18 2003-10-22 宣昌黎 Electronic vacuum sterilizing freshness-keeping energy-saving refrigerator
CN2624137Y (en) * 2003-05-14 2004-07-07 河南新飞电器有限公司 Vacuum fresh-keeping refrigerator
JP2008116070A (en) * 2006-11-01 2008-05-22 Matsushita Electric Ind Co Ltd Refrigerator
CN201028914Y (en) * 2006-12-28 2008-02-27 李勋田 Vacuum-recuperating controlled atmosphere fresh-keeping cabinet
EP2741031A1 (en) * 2012-12-06 2014-06-11 BSH Bosch und Siemens Hausgeräte GmbH Refrigerator and working method thereof
CN106766515A (en) * 2016-12-02 2017-05-31 青岛海尔股份有限公司 The controlled atmosphere control method of refrigerating equipment and refrigerating equipment
CN111707038A (en) * 2020-05-28 2020-09-25 珠海格力电器股份有限公司 Refrigerating and freezing device and control method thereof
CN213778311U (en) * 2020-08-25 2021-07-23 青岛海尔电冰箱有限公司 Refrigerator with a door
CN113137812A (en) * 2021-04-28 2021-07-20 珠海格力电器股份有限公司 Refrigerator control method and refrigerator
CN113137803A (en) * 2021-04-28 2021-07-20 珠海格力电器股份有限公司 Partitioned air conditioning method for refrigerator and refrigerator

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