CN216481746U - Fresh-keeping refrigerator - Google Patents
Fresh-keeping refrigerator Download PDFInfo
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- CN216481746U CN216481746U CN202122505050.3U CN202122505050U CN216481746U CN 216481746 U CN216481746 U CN 216481746U CN 202122505050 U CN202122505050 U CN 202122505050U CN 216481746 U CN216481746 U CN 216481746U
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Abstract
The utility model discloses a fresh-keeping refrigerator, 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 air conditioning component is used for separating oxygen from the preservation space or vacuumizing the preservation space; the humidity adjusting component is arranged on the preservation drawer and is used for adjusting the humidity in the preservation drawer; wherein, humidity control assembly is provided with different gears, and different gears correspond to different hydrone permeabilities. The utility model solves the problem that the humidity is reduced in the process of reducing the oxygen of the preservation box in the prior art, so that the humidity in the preservation drawer is maintained at a proper level, and the food freshness is improved.
Description
Technical Field
The utility model relates to the technical field of refrigerators, in particular to a fresh-keeping refrigerator.
Background
With the continuous improvement of living standard and the improvement of dietary structure, people have higher and higher requirements on freshness of fruits and vegetables and durability of food preservation, so that the fruits and vegetables are required to be kept fresh in sense, and nutrient substances of the fruits and vegetables are required to be reserved to the maximum extent.
At present, the air-conditioning preservation technology can generally meet the requirements of people, and generally, the oxygen concentration in the fruit and vegetable drawer is adjusted by using air-conditioning equipment. The aim of inhibiting the aerobic respiration of the fruits and vegetables is achieved by reducing the oxygen concentration in the fruit and vegetable box.
Through the air conditioning technology, the air in the preservation box becomes thin and becomes a low-oxygen environment, the oxidation of substances can be reduced or avoided, and the preservation effect is realized. But the oxygen is pumped away, and simultaneously, part of water vapor is also taken away, so that the humidity in the preservation box is reduced, and the preservation effect of the fruits and the vegetables is adversely affected.
Aiming at the problem that humidity is reduced in the process of reducing oxygen of the preservation box in the related technology, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fresh-keeping refrigerator, which at least solves the problem that humidity is reduced in the process of reducing oxygen of a fresh-keeping box in the prior art.
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 air conditioning component is used for separating oxygen from the preservation space or vacuumizing the preservation space;
the humidity adjusting component 1 is arranged on the preservation drawer and is used for adjusting the humidity in the preservation drawer; wherein, humidity control component 1 is provided with different gears, and different gears correspond to different water molecule permeabilities.
Further, the humidity adjustment assembly 1 includes: a moisture permeable film 2 including a first portion 21 and a second portion 22; the permeability of water molecules of the first part 21 is from the outside of the preservation drawer to the inside of the preservation drawer, and the permeability of water molecules of the second part 22 is from the inside of the preservation drawer to the outside of the preservation drawer; and an adjusting member 23, the adjusting member 23 being used to adjust a used portion of the moisture permeable film 2.
Further, the adjusting member 23 includes: adjusting a first state of the moisture permeable film 2 using the first section 21; adjusting the second state of the moisture permeable film 2 using the second section 22; adjusting a third state that the moisture permeable film 2 does not perform moisture permeability; wherein the first state corresponds to a first stage of the moisture permeable film 2, the second state corresponds to a second stage of the moisture permeable film 2, and the third state corresponds to a third stage of the moisture permeable film 2.
Further, the crisper drawer comprises at least: a first fresh-keeping drawer 3 and a second fresh-keeping drawer 4; the modified atmosphere subassembly includes at least: the nitrogen-oxygen separation membrane module is used for separating oxygen from the first fresh-keeping drawer 3; and the vacuum preservation assembly is used for vacuumizing the second preservation drawer 4.
Further, the nitrogen-oxygen separation membrane module comprises: a nitrogen-oxygen separation membrane module 5 for separating nitrogen and oxygen; the gas conditioning assembly comprises: the vacuum pump 6 is connected with the nitrogen-oxygen separation membrane module 5 through a first air exhaust pipe 7, and the vacuum pump 6 exhausts oxygen in the first fresh-keeping drawer 3 through the nitrogen-oxygen separation membrane module 5; wherein, the nitrogen-oxygen separation membrane module 5 is at least partially arranged in the first fresh-keeping drawer 3, and the vacuum pump 6 is arranged outside the first fresh-keeping drawer 3.
Further, the vacuum freshness keeping assembly comprises: and the second exhaust pipe 8, the vacuum pump 6 and the vacuum fresh-keeping drawer are connected through the second exhaust pipe 8.
Further, the nitrogen-oxygen separation membrane module also comprises: the first switch valve 9 is positioned on the first exhaust pipe 7; the vacuum freshness retaining assembly further comprises: and a second switch valve 10 is positioned on the second air exhaust pipe 8.
Further, the nitrogen-oxygen separation membrane module includes a wind power part 11, and the wind power part 11 is disposed at the nitrogen-oxygen separation membrane module 5 for circulating air at the nitrogen-oxygen separation membrane module 5 to prevent nitrogen from being accumulated.
Further, the wind power unit 11 is a fan mounted on the nox separation membrane module 5, and two fans are provided, and the two fans are disposed in parallel on the nox separation membrane module 5.
Further, still include: and the humidity sensor is positioned in the preservation drawer and used for detecting the humidity in the preservation drawer.
The preservation drawer is provided with an air conditioning assembly for separating oxygen from the preservation space or vacuumizing the preservation space, and the preservation drawer is also provided with a humidity adjusting assembly for adjusting the humidity in the preservation drawer, and the humidity adjusting assembly is provided with different gears corresponding to different moisture permeable films and having different water molecule permeabilities. Through humidity control assembly, adjust humidity in the drawer, compensate the humidity loss that the gas conditioning in-process caused, effectively solved among the prior art problem that the in-process that preservation box oxygen reduces caused humidity to reduce simultaneously, make the humidity in the preservation drawer maintain at suitable level, improve the fresh degree of food.
Drawings
FIG. 1 is a schematic view of an alternative configuration of the fresh-keeping functional section of the fresh-keeping refrigerator according to an embodiment of the present invention;
FIG. 2 is an alternative schematic view of different states of a moisture permeable film according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an alternative configuration of a nitrogen-oxygen separation membrane module according to an embodiment of the utility model.
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 utility model, as detailed in the appended claims.
Example 1
In a preferred embodiment 1 of the present invention, a freshness protection refrigerator is provided, in which a special freshness protection function area is set, and specifically, fig. 1 shows an optional structural schematic diagram of the freshness protection function area of the freshness protection refrigerator, as shown in fig. 1, including:
the fresh-keeping drawer is internally provided with a fresh-keeping space which is relatively isolated from air;
the air conditioning component is used for separating oxygen from the preservation space or vacuumizing the preservation space; the number of the preservation drawers is one or two, as shown in figure 1, the number of the preservation drawers is two, and the two preservation drawers are respectively a modified atmosphere preservation drawer and a vacuum preservation drawer; the user can select the air-conditioning preservation function or the vacuum preservation function according to the requirement, and the two functions can be started simultaneously.
The humidity adjusting component 1 is arranged on the preservation drawer and is used for adjusting the humidity in the preservation drawer; wherein, humidity control subassembly 1 is provided with different gears, and different gears correspond to different moisture permeable membrane 2, have different water molecule permeability. The humidity adjusting component 1 is arranged on the air-conditioning preservation drawer and the vacuum preservation drawer.
In the above embodiment, be provided with the gas regulation subassembly on keeping fresh the drawer for isolate oxygen from the fresh-keeping space, or carry out the evacuation to the fresh-keeping space, and to the fresh-keeping drawer, still be provided with the humidity control subassembly for adjust the humidity in the fresh-keeping drawer, and the humidity control subassembly is provided with different gears, and different gears are corresponding to different moisture permeable membrane, have different hydrone permeability. Through humidity control assembly, adjust humidity in the drawer, compensate the humidity loss that the gas conditioning in-process caused, effectively solved among the prior art problem that the in-process that preservation box oxygen reduces caused humidity to reduce simultaneously, make the humidity in the preservation drawer maintain at suitable level, improve the fresh degree of food.
The humidity conditioning assembly 1 comprises: a moisture permeable film 2 including a first portion 21 and a second portion 22; as shown in the figure, the first section 21 and the second section 22 are juxtaposed to constitute a moisture permeable film together. The permeability of water molecules of the first part 21 is from the outside of the preservation drawer to the inside of the preservation drawer, and the permeability of water molecules of the second part 22 is from the inside of the preservation drawer to the outside of the preservation drawer; and an adjusting member 23, the adjusting member 23 being used to adjust a used portion of the moisture permeable film 2. Fig. 2 shows different stages of the moisture permeable film 2, and as shown in fig. 2, the adjuster 23 includes: adjusting a first state of the moisture permeable film 2 using the first section 21; adjusting the second state of the moisture permeable film 2 using the second section 22; adjusting a third state that the moisture permeable film 2 does not perform moisture permeability; wherein the first state corresponds to a first stage of the moisture permeable film 2, the second state corresponds to a second stage of the moisture permeable film 2, and the third state corresponds to a third stage of the moisture permeable film 2.
As shown in fig. 1, the crisper drawer at least comprises: a first fresh-keeping drawer 3 and a second fresh-keeping drawer 4; the modified atmosphere subassembly includes at least: the nitrogen-oxygen separation membrane module is used for separating oxygen from the first fresh-keeping drawer 3; namely, the first fresh-keeping drawer 3 is a controlled atmosphere fresh-keeping drawer; the vacuum preservation assembly is used for vacuumizing the second preservation drawer 4; i.e. the second crisper drawer 4 is a vacuum crisper drawer.
Wherein, the nitrogen-oxygen separation membrane component comprises: a nitrogen-oxygen separation membrane module 5 for separating nitrogen and oxygen; the gas conditioning assembly comprises: the vacuum pump 6 is connected with the nitrogen-oxygen separation membrane module 5 through a first exhaust pipe 7, and the vacuum pump 6 is used for pumping oxygen in the first fresh-keeping drawer 3 through the nitrogen-oxygen separation membrane module 5; wherein, the nitrogen-oxygen separation membrane module 5 is at least partially arranged in the first fresh-keeping drawer 3, and the vacuum pump 6 is arranged outside the first fresh-keeping drawer 3.
In the technical scheme of this kind of implementation, nitrogen oxygen separation membrane module 20 includes nitrogen oxygen separation membrane module 5 and vacuum pump 6, and nitrogen oxygen separation membrane module 5 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 5, and vacuum pump 6 takes out the oxygen in the fresh-keeping space through nitrogen oxygen separation membrane module 5. As shown in fig. 1, when using, the nitrogen-oxygen separation membrane module 5 is arranged in the fresh-keeping space, the vacuum pump 6 is arranged outside the fresh-keeping space, the vacuum pump 6 acts on the nitrogen-oxygen separation membrane module 5 through the exhaust tube 23, the nitrogen-oxygen separation membrane module 5 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 5 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 5 is at least partially disposed inside the fresh-keeping drawer 10, 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 5 one side is located fresh-keeping drawer when using, let whole nitrogen oxygen separation membrane module 5 be located fresh-keeping drawer also feasible certainly. The vacuum pump 6 is arranged outside the fresh-keeping drawer and is connected with the nitrogen-oxygen separation membrane module 5 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 5 through the exhaust tube 23.
More preferably, as shown in fig. 3, the nitrogen and oxygen separation membrane module includes a wind power part 11, and the wind power part 11 is provided at the nitrogen and oxygen separation membrane module 5. When the nitrogen-oxygen separation membrane module is used, the wind power component 11 can enable air at the nitrogen-oxygen separation membrane module 5 to circulate to prevent nitrogen from gathering, so that the separation efficiency of the nitrogen-oxygen separation membrane module 20 on oxygen in the fresh-keeping space is improved.
As an alternative embodiment, the wind power unit 11 is a fan mounted on the nitrogen-oxygen separation membrane module 5. Preferably, the number of the fans is two, and the two fans are arranged on the nitrogen-oxygen separation membrane module 5 in parallel, so that the air circulation efficiency in the fresh-keeping space is improved. As a further alternative, the wind power element 11 may also be a ventilation board that is movable to circulate the air flow.
The vacuum freshness retaining assembly comprises: and the second exhaust pipe 8, the vacuum pump 6 and the vacuum fresh-keeping drawer are connected through the second exhaust pipe 8.
The nitrogen-oxygen separation membrane module also comprises: the first switch valve 9 is positioned on the first exhaust pipe 7; the vacuum freshness retaining assembly further comprises: and a second switch valve 10 is positioned on the second air exhaust pipe 8. The pipeline between the nitrogen-oxygen separation membrane module 5 and the vacuum pump 6 is controlled by a first switch valve 9. The pipeline between the vacuum refreshing drawer and the vacuum pump 6 is controlled by a second switch valve 10. Therefore, the utility model can realize two fresh-keeping modes of air conditioning and vacuum at the same time by one vacuum pump 6, and only needs to control the corresponding switch valve to open when air conditioning or vacuum pumping is realized.
In summary, the utility model is provided with the humidifying modules on the air-conditioned fresh-keeping drawer and the vacuum fresh-keeping drawer respectively. The humidifying module consists of a moisture permeable membrane (water molecules can pass through the membrane through the permeation effect, and gas cannot pass through the membrane), a vacuum pump and a humidity sensor. Under the pushing of the pressure of the vacuum pump, moisture in the outside air can enter the air-conditioning preservation drawer and the vacuum preservation drawer through the moisture permeable film, so that the humidifying effect is achieved, and the humidity lost in the oxygen reduction process is compensated. Meanwhile, after the oxygen reduction or vacuum pumping procedure is finished, the gear of the moisture permeable film is adjusted according to the humidity information fed back by the humidity sensor, and the humidity in the drawer is ensured to be in a proper range.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It will be understood that the utility model 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 utility model is limited only by the appended claims.
Claims (10)
1. A crisper refrigerator, comprising:
the fresh-keeping drawer is internally provided with a fresh-keeping space which is relatively isolated from air;
the gas adjusting component is used for separating oxygen from the fresh-keeping space or vacuumizing the fresh-keeping space;
the humidity adjusting component (1) is arranged on the preservation drawer and is used for adjusting the humidity in the preservation drawer; the humidity adjusting assembly (1) is provided with different gears, and the different gears correspond to different water molecule permeabilities.
2. The crisper refrigerator according to claim 1, characterized in that said humidity conditioning assembly (1) comprises:
a moisture permeable film (2) including a first portion (21) and a second portion (22); wherein the water molecule permeability of the first part (21) is from the fresh drawer exterior to the fresh drawer interior, and the water molecule permeability of the second part (22) is from the fresh drawer interior to the fresh drawer exterior;
an adjusting member (23), wherein the adjusting member (23) is used for adjusting the using part of the moisture permeable film (2).
3. The crisper refrigerator according to claim 2, characterized in that said adjustment means (23) comprise:
adjusting a first state of the moisture permeable film (2) using the first portion (21);
adjusting a second state of the moisture permeable film (2) using the second section (22);
adjusting a third state that the moisture permeable film (2) is not subjected to moisture permeation;
wherein the first state corresponds to a first stage of the moisture permeable membrane (2), the second state corresponds to a second stage of the moisture permeable membrane (2), and the third state corresponds to a third stage of the moisture permeable membrane (2).
4. The crisper refrigerator of claim 1, wherein the crisper drawer comprises at least: a first fresh-keeping drawer (3) and a second fresh-keeping drawer (4); the modified atmosphere component at least comprises:
the nitrogen-oxygen separation membrane module is used for separating oxygen from the first fresh-keeping drawer (3);
and the vacuum preservation assembly is used for vacuumizing the second preservation drawer (4).
5. The crisper refrigerator of claim 4,
the nitrogen-oxygen separation membrane module comprises: a nitrogen-oxygen separation membrane module (5) for separating nitrogen and oxygen;
the modified atmosphere subassembly includes: the vacuum pump (6) is connected with the nitrogen-oxygen separation membrane module (5) through a first air exhaust pipe (7), and the vacuum pump (6) is used for exhausting oxygen in the first fresh-keeping drawer (3) through the nitrogen-oxygen separation membrane module (5); wherein, the nitrogen-oxygen separation membrane module (5) is at least partially arranged in the first fresh keeping drawer (3), and the vacuum pump (6) is arranged outside the first fresh keeping drawer (3).
6. The crisper refrigerator of claim 5, wherein the vacuum refreshing assembly comprises:
and the vacuum pump (6) is connected with the vacuum preservation drawer through the second air exhaust pipe (8).
7. The crisper refrigerator of claim 6,
the nitrogen-oxygen separation membrane module further comprises: the first switch valve (9) is positioned on the first air suction pipe (7);
the vacuum freshness retaining assembly further comprises: and the second switch valve (10) is positioned on the second air suction pipe (8).
8. The crisper according to claim 5, characterized in that the membrane module comprises a wind power unit (11), the wind power unit (11) being arranged at the membrane module (5) for circulating air at the membrane module (5) to prevent nitrogen accumulation.
9. The crisper refrigerator according to claim 8, characterized in that said wind power means (11) are fans mounted on the module (5) of membranes for nitrogen and oxygen separation, said fans being two, two fans being arranged side by side on the module (5) of membranes for nitrogen and oxygen separation.
10. The crisper of claim 1, further comprising:
and the humidity sensor is positioned in the preservation drawer and used for detecting the humidity in the preservation drawer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122505050.3U CN216481746U (en) | 2021-10-18 | 2021-10-18 | Fresh-keeping refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122505050.3U CN216481746U (en) | 2021-10-18 | 2021-10-18 | Fresh-keeping refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216481746U true CN216481746U (en) | 2022-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122505050.3U Active CN216481746U (en) | 2021-10-18 | 2021-10-18 | Fresh-keeping refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216481746U (en) |
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2021
- 2021-10-18 CN CN202122505050.3U patent/CN216481746U/en active Active
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