CN101949630A - Refrigerator refreshing system and refrigerator with same - Google Patents
Refrigerator refreshing system and refrigerator with same Download PDFInfo
- Publication number
- CN101949630A CN101949630A CN 201010299242 CN201010299242A CN101949630A CN 101949630 A CN101949630 A CN 101949630A CN 201010299242 CN201010299242 CN 201010299242 CN 201010299242 A CN201010299242 A CN 201010299242A CN 101949630 A CN101949630 A CN 101949630A
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- Prior art keywords
- pipeline
- refrigerator
- drawer
- oxygen
- refrigerator drawer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
- 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
- F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment
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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 provides a refrigerator refreshing system which comprises a refrigerator drawer, an air aspirating hole, an air inlet and an oxygen removing device, wherein the air aspirating hole and the air inlet are arranged on the refrigerator drawer; the oxygen removing device is connected with the air aspirating hole through a first pipeline and connected with the air inlet through a second pipeline, and air in the refrigerator drawer flows into the refrigerator drawer after flowing through the oxygen removing device. Because the refreshing is carried out not by adopting a vacuum manner in the embodiment of the invention, materials made of the drawer do not need very strong stress tolerance, the manufacture cost of the drawer can be greatly lowered while the refreshing effect is ensured, thus the manufacture cost of the refrigerator is finally lowered.
Description
Technical field
The present invention relates to field of domestic appliances manufacture technology, particularly a kind of fridge freshness retaining system and have its refrigerator.
Background technology
At present, the fridge freshness retaining mode on the market comprise photosynthetic antistaling, VC induce increase that aquatic foods, zero degree are fresh-keeping, ion sterilization fresh-keeping, vacuum freshness retaining etc.Because bacterium can't grow in vacuum environment, therefore with respect to other fresh-keeping modes, the effect of vacuum freshness retaining is best.
As shown in Figure 1, be the structure chart of prior art antistaling vacuum container.This antistaling vacuum container comprises vavuum pump 110, valve 120, have the casing 140 of drawer and cover cover plate and sealing ring 130 on casing 140.Will bear after air is found time in casing, so its material must have very strong anti-pressure ability, thereby cause the price comparison height of drawer from atmospheric pressure.Particularly refrigerator is general uses a plurality of drawers, and the overall price of refrigerator is also can corresponding raising a lot of like this.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, the one object of the present invention refrigerator that is to propose a kind of fridge freshness retaining system and has it.
One aspect of the present invention has proposed a kind of fridge freshness retaining system, comprise refrigerator drawer, bleeding point and air inlet, described bleeding point and air inlet are arranged on the described refrigerator drawer, and deaerating plant, described deaerating plant links to each other with described bleeding point by first pipeline, links to each other with described air inlet by second pipeline, and the air in the described refrigerator drawer flows into described refrigerator drawer after flowing through described deaerating plant.
The embodiment of the invention can keep suitable nitrogen by the deaerating plant that is provided with in refrigerator drawer, thereby plays fresh-keeping effect.Because the embodiment of the invention is not that to adopt the mode of vacuum to carry out fresh-keeping, so the drawer material do not need very strong anti-pressure ability, when having guaranteed fresh-keeping effect, can also reduce the manufacturing cost of drawer widely, thereby finally lower the manufacturing cost of refrigerator.In addition, by the embodiment of the invention, can make that also air and the deaerating plant in the refrigerator drawer constitutes circulation.
In one embodiment of the invention, described refrigerator drawer comprises: drawer body and cover plate, described cover plate are fixed in the described refrigerator, and described drawer body can be twitched with respect to described cover plate.Preferably, also comprise: sealing ring, described sealing ring are arranged on the part that contacts with described drawer body under the described cover plate.
In one embodiment of the invention, described deaerating plant comprises: first valve, described first valve are installed on described first pipeline; First pump, described first pump links to each other with described first pipeline; With the oxygen scavenger container, described oxygen scavenger container links to each other by the 3rd pipeline with described first pump, accommodates oxygen scavenger in the described oxygen scavenger container, and described oxygen scavenger container links to each other with described second pipeline.
In one embodiment of the invention, this fridge freshness retaining system also comprises: the oxygen content inductor, and described oxygen content inductor is arranged within the described refrigerator drawer, is used to respond to the content of oxygen in the described refrigerator drawer; And controller, described controller links to each other with described oxygen content inductor, and described first valve and first pump controlled, when the content of oxygen was higher than first preset value in described oxygen level sensor is judged described refrigerator drawer, described controller was opened described first valve and first pump to remove the oxygen in the described refrigerator drawer by the oxygen scavenger in the described oxygen scavenger container.
By the foregoing description, can be automatically open first valve when oxygen content surpasses preset value in refrigerator drawer and first pump carries out deoxygenation, thereby can keep the content of oxygen in the drawer can not exceed standard constantly, to guarantee fresh-keeping degree.
In one embodiment of the invention, also comprise: the 4th pipeline, described the 4th pipeline links to each other with described the 3rd pipeline; Second valve, described second valve are arranged on described the 4th pipeline; With second pump, described second pump links to each other with described the 4th pipeline.
In one embodiment of the invention, this fridge freshness retaining system also comprises: pressure transducer, and described pressure transducer links to each other with described controller, is used to detect the pressure in the described refrigerator drawer; Described controller also is used for after the pressure in the described refrigerator drawer is lower than second preset value, and described controller is opened described second valve and second pump to replenish the air of removing behind the oxygen in described refrigerator drawer.
By the foregoing description, can keep the pressure in the refrigerator drawer not too large automatically with the pressure of the air in the external world, after the pressure in the refrigerator drawer was lower than certain value, controller was opened second valve and second pump, thereby replenished air in refrigerator drawer.
The embodiment of the invention has also proposed on the one hand a kind of refrigerator again, and it comprises aforesaid fridge freshness retaining system, and the embodiment of the invention can reduce the manufacturing cost of refrigerator greatly.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structure chart of prior art antistaling vacuum container;
Fig. 2 is the fridge freshness retaining system construction drawing of the embodiment of the invention;
Fig. 3 is the fridge freshness retaining system construction drawing of the embodiment of the invention one; With
Fig. 4 is the fridge freshness retaining system construction drawing of the embodiment of the invention two.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " inboard ", " outside ", " vertically ", " laterally ", " on ", close the orientation of indications such as D score, " top ", " end " or position is based on orientation shown in the drawings or position relation, only be the present invention for convenience of description rather than require the present invention therefore can not be interpreted as limitation of the present invention with specific orientation structure and operation.
Because air mainly is made up of oxygen and nitrogen, wherein nitrogen content accounts for 78%, oxygen 20%, and the most of reason of food spoilage is since the content of oxygen than higher, thereby caused the quick breeding of bacterium, so it is fresh-keeping to use nitrogen to carry out.And use nitrogen preservation can also keep the unanimity of the inside and outside pressure of drawer, thereby greatly reduce the price of drawer.
To achieve these goals, the present invention proposes a kind of fridge freshness retaining system, as shown in Figure 2.This fridge freshness retaining system comprises refrigerator drawer 210 and deaerating plant 240.Wherein, refrigerator drawer 210 has bleeding point 220 and air inlet 230 respectively, and deaerating plant 240 links to each other with bleeding point 230 by first pipeline 250, links to each other with air inlet 230 by second pipeline 260.Deaerating plant 240 can carry out deoxygenation to the air in the refrigerator drawer 210, flow in the refrigerator drawer 210 after 210 air flows through deaerating plant 240 in the refrigerator drawer, thereby removal oxygen wherein is to reach fresh-keeping effect again.
The embodiment of the invention can keep suitable nitrogen by the deaerating plant 240 that is provided with in refrigerator drawer 210, thereby plays fresh-keeping effect.Because the embodiment of the invention is not that to adopt the mode of vacuum to carry out fresh-keeping, so the drawer material do not need very strong anti-pressure ability, when having guaranteed fresh-keeping effect, can also reduce the manufacturing cost of drawer widely, thereby finally lower the manufacturing cost of refrigerator.In addition, by the embodiment of the invention, can make that also air and the deaerating plant 240 in the refrigerator drawer 210 constitutes circulation.
Below just the present invention is described in detail in the mode of specific embodiment; wherein; following examples only are optimal way of the present invention; and do not mean that the present invention only can realize by following examples; those skilled in the art can make modification or the replacement that is equal to according to following examples, and these all should be included within protection scope of the present invention.
Embodiment one
As shown in Figure 3, be the fridge freshness retaining system construction drawing of the embodiment of the invention one.As shown in the figure, this fridge freshness retaining system comprises refrigerator drawer 310 and deaerating plant 340.Wherein, refrigerator drawer 310 has bleeding point 320 and air inlet 330 respectively, and deaerating plant 340 links to each other with bleeding point 330 by first pipeline 350, links to each other with air inlet 330 by second pipeline 360.Refrigerator drawer 310 comprises drawer body 311 and cover plate 312.Wherein, cover plate 312 is fixed in the refrigerator, and drawer body 311 can be twitched with respect to cover plate 312.Need to prove, be described for example with a refrigerator drawer 310, can comprise a plurality of refrigerator drawers in other embodiments in the embodiment of the invention, and the shared deaerating plant of these refrigerator drawers.Preferably, also comprise sealing ring 313, sealing ring 313 is arranged on the part that contacts with drawer body 311 under the cover plate 312, thereby makes the nitrogen in the refrigerator drawer 310 can not leak, and has strengthened fresh-keeping effect.
In this embodiment, deaerating plant 340 comprises first valve 341, first pump 342, oxygen scavenger container 343 and the 3rd pipeline 344 that is used to be connected first pump 342 and oxygen scavenger container 343.Wherein, first valve 341 is installed on first pipeline 350, and first pump 342 links to each other with first pipeline 350.Accommodate oxygen scavenger in the oxygen scavenger container 343, and oxygen scavenger container 343 links to each other with second pipeline 360.This fridge freshness retaining system also comprises oxygen content inductor 370 and controller (not shown).Wherein, oxygen content inductor 370 is arranged within the refrigerator drawer 310, is used to respond to the content of oxygen in the refrigerator drawer 310.Controller links to each other with oxygen content inductor 370, and first valve 341 and first pump 342 controlled, the content of oxygen is higher than a preset value when (being called first preset value in the present invention) in oxygen level sensor 370 is judged refrigerator drawers 310, and controller is opened first valve 341 and first pump 342 to remove the interior oxygen of refrigerator drawer 310 by the oxygen scavenger in the oxygen scavenger container 343.Certainly, those skilled in the art can make the replacement that is equal to present embodiment, and these all should be included within protection scope of the present invention.For example in refrigerator drawer 310, can comprise the nitrogen content inductor, be used for detecting the content of nitrogen in the refrigerator drawer 310, after nitrogen content was lower than certain preset value in the refrigerator drawer 310, controller was opened first valve 341 and first pump 342 to remove the oxygen in the refrigerator drawer 310 by the oxygen scavenger in the oxygen scavenger container 343.
By the foregoing description, can be automatically open first valve 341 when oxygen content surpasses preset value in refrigerator drawer and first pump 342 carries out deoxygenation, thereby can keep the content of oxygen in the drawer can not exceed standard constantly, to guarantee fresh-keeping degree.And, can avoid deaerating plant to open for a long time by automatic detection and control.
Embodiment two,
As shown in Figure 4, be the fridge freshness retaining system construction drawing of the embodiment of the invention two.As shown in the figure, the difference of this embodiment and the foregoing description one is that the fridge freshness retaining system of this embodiment also comprises the 4th pipeline 410, second valve 420, second pump 430 and pressure transducer 440.Wherein, the 4th pipeline 410 links to each other with the 3rd pipeline 344, and second valve 420 is arranged on the 4th pipeline 410, and second pump 430 links to each other with the 4th pipeline 410.
In this embodiment, controller also links to each other with pressure transducer 440, and pressure transducer 440 is used to detect the pressure in the refrigerator drawer 310.After the pressure in the refrigerator drawer 310 was lower than a preset value (being called second preset value in the present invention), controller was opened second valve 420 and second pump 430 to replenish the air of removing behind the oxygen in refrigerator drawer 310.
By this embodiment, can keep the pressure in the refrigerator drawer not too large automatically with the pressure of the air in the external world, after the pressure in the refrigerator drawer was lower than certain value, controller was opened second valve and second pump, thereby replenished air in refrigerator drawer.
The embodiment of the invention has also proposed on the one hand a kind of refrigerator again, and it comprises aforesaid fridge freshness retaining system, and the embodiment of the invention can reduce the manufacturing cost of refrigerator greatly.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a fridge freshness retaining system is characterized in that, comprising:
Refrigerator drawer;
Bleeding point and air inlet, described bleeding point and air inlet are arranged on the described refrigerator drawer; With
Deaerating plant, described deaerating plant links to each other with described bleeding point by first pipeline, links to each other with described air inlet by second pipeline, and the air in the described refrigerator drawer flows into described refrigerator drawer after flowing through described deaerating plant.
2. fridge freshness retaining as claimed in claim 1 system is characterized in that described refrigerator drawer comprises:
The drawer body; With
Cover plate, described cover plate are fixed in the described refrigerator, and described drawer body can be twitched with respect to described cover plate.
3. fridge freshness retaining as claimed in claim 2 system is characterized in that, also comprises:
Sealing ring, described sealing ring are arranged on the part that contacts with described drawer body under the described cover plate.
4. fridge freshness retaining as claimed in claim 1 system is characterized in that described deaerating plant comprises:
First valve, described first valve are installed on described first pipeline;
First pump, described first pump links to each other with described first pipeline; With
The oxygen scavenger container, described oxygen scavenger container links to each other by the 3rd pipeline with described first pump, accommodates oxygen scavenger in the described oxygen scavenger container, and described oxygen scavenger container links to each other with described second pipeline.
5. fridge freshness retaining as claimed in claim 4 system is characterized in that, also comprises:
The oxygen content inductor, described oxygen content inductor is arranged within the described refrigerator drawer, is used to respond to the content of oxygen in the described refrigerator drawer; With
Controller, described controller links to each other with described oxygen content inductor, and described first valve and first pump controlled, when the content of oxygen was higher than first preset value in described oxygen level sensor is judged described refrigerator drawer, described controller was opened described first valve and first pump to remove the oxygen in the described refrigerator drawer by the oxygen scavenger in the described oxygen scavenger container.
6. fridge freshness retaining as claimed in claim 5 system is characterized in that, also comprises:
The 4th pipeline, described the 4th pipeline links to each other with described the 3rd pipeline;
Second valve, described second valve are arranged on described the 4th pipeline; With
Second pump, described second pump links to each other with described the 4th pipeline.
7. fridge freshness retaining as claimed in claim 6 system is characterized in that, also comprises:
Pressure transducer, described pressure transducer links to each other with described controller, is used to detect the pressure in the described refrigerator drawer;
Described controller also is used for after the pressure in the described refrigerator drawer is lower than second preset value, and described controller is opened described second valve and second pump to replenish the air of removing behind the oxygen in described refrigerator drawer.
8. a refrigerator is characterized in that, comprises each described fridge freshness retaining system as claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010299242 CN101949630A (en) | 2010-09-27 | 2010-09-27 | Refrigerator refreshing system and refrigerator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010299242 CN101949630A (en) | 2010-09-27 | 2010-09-27 | Refrigerator refreshing system and refrigerator with same |
Publications (1)
| Publication Number | Publication Date |
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| CN101949630A true CN101949630A (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010299242 Pending CN101949630A (en) | 2010-09-27 | 2010-09-27 | Refrigerator refreshing system and refrigerator with same |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575050A (en) * | 2013-11-15 | 2014-02-12 | 海信容声(广东)冰箱有限公司 | Nitrogen freshness preservation drawer |
| CN106628640A (en) * | 2016-12-02 | 2017-05-10 | 青岛海尔股份有限公司 | Air-adjusting preservation storage device |
| WO2018161918A1 (en) * | 2017-03-07 | 2018-09-13 | 青岛海尔股份有限公司 | Refrigerating and freezing device and drawer assembly thereof |
| WO2019161732A1 (en) * | 2018-02-24 | 2019-08-29 | 青岛海尔股份有限公司 | Refrigeration and freezing apparatus |
| JP2019536974A (en) * | 2016-12-02 | 2019-12-19 | チンダオ ハイアール ジョイント ストック カンパニー リミテッドＱｉｎｇｄａｏ Ｈａｉｅｒ Ｊｏｉｎｔ Ｓｔｏｃｋ Ｃｏ．，Ｌｔｄ | Refrigeration refrigerator |
| JP2020501098A (en) * | 2016-12-02 | 2020-01-16 | チンダオ ハイアール ジョイント ストック カンパニー リミテッドＱｉｎｇｄａｏ Ｈａｉｅｒ Ｊｏｉｎｔ Ｓｔｏｃｋ Ｃｏ．，Ｌｔｄ | Refrigeration refrigerator |
| CN111578588A (en) * | 2020-05-08 | 2020-08-25 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN111578586A (en) * | 2020-04-26 | 2020-08-25 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113124611A (en) * | 2021-04-28 | 2021-07-16 | 珠海格力电器股份有限公司 | Controlled atmosphere control method of refrigerator, controlled atmosphere drawer and fresh-keeping refrigerator |
| CN113446793A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN113446800A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN113446805A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Storage container and refrigerator |
| WO2024055944A1 (en) * | 2022-09-14 | 2024-03-21 | 青岛海尔电冰箱有限公司 | Oxygen treatment device and refrigerating and freezing device having same |
| WO2024067613A1 (en) * | 2022-09-30 | 2024-04-04 | 青岛海尔电冰箱有限公司 | Refrigeration and freezing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575050A (en) * | 2013-11-15 | 2014-02-12 | 海信容声(广东)冰箱有限公司 | Nitrogen freshness preservation drawer |
| WO2015070526A1 (en) * | 2013-11-15 | 2015-05-21 | 海信容声(广东)冰箱有限公司 | Nitrogen preservation drawer |
| CN106628640A (en) * | 2016-12-02 | 2017-05-10 | 青岛海尔股份有限公司 | Air-adjusting preservation storage device |
| WO2018099476A1 (en) * | 2016-12-02 | 2018-06-07 | 青岛海尔股份有限公司 | Air-regulating freshness-preserving food storage device |
| CN106628640B (en) * | 2016-12-02 | 2019-01-18 | 青岛海尔股份有限公司 | Controlled atmosphere article-storage device |
| JP2019536974A (en) * | 2016-12-02 | 2019-12-19 | チンダオ ハイアール ジョイント ストック カンパニー リミテッドＱｉｎｇｄａｏ Ｈａｉｅｒ Ｊｏｉｎｔ Ｓｔｏｃｋ Ｃｏ．，Ｌｔｄ | Refrigeration refrigerator |
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| JP2020501098A (en) * | 2016-12-02 | 2020-01-16 | チンダオ ハイアール ジョイント ストック カンパニー リミテッドＱｉｎｇｄａｏ Ｈａｉｅｒ Ｊｏｉｎｔ Ｓｔｏｃｋ Ｃｏ．，Ｌｔｄ | Refrigeration refrigerator |
| RU2722096C1 (en) * | 2016-12-02 | 2020-05-26 | Циндао Хайер Джойнт Сток Ко., Лтд | Storage device for keeping freshness with air conditioning |
| US11150007B2 (en) | 2016-12-02 | 2021-10-19 | Qingdao Haier Joint Stock Co., Ltd. | Air-regulating freshness-preserving storage device |
| WO2018161918A1 (en) * | 2017-03-07 | 2018-09-13 | 青岛海尔股份有限公司 | Refrigerating and freezing device and drawer assembly thereof |
| WO2019161732A1 (en) * | 2018-02-24 | 2019-08-29 | 青岛海尔股份有限公司 | Refrigeration and freezing apparatus |
| WO2021190012A1 (en) * | 2020-03-24 | 2021-09-30 | 合肥美的电冰箱有限公司 | Storage container and refrigerator |
| CN113446793A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN113446800A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN113446805A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Storage container and refrigerator |
| WO2021190006A1 (en) * | 2020-03-24 | 2021-09-30 | 合肥美的电冰箱有限公司 | Fresh-keeping device and refrigerator |
| CN113446800B (en) * | 2020-03-24 | 2022-05-31 | 合肥华凌股份有限公司 | Fresh-keeping device and refrigerator |
| CN111578586A (en) * | 2020-04-26 | 2020-08-25 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN111578588A (en) * | 2020-05-08 | 2020-08-25 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN111578588B (en) * | 2020-05-08 | 2021-11-30 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113124611A (en) * | 2021-04-28 | 2021-07-16 | 珠海格力电器股份有限公司 | Controlled atmosphere control method of refrigerator, controlled atmosphere drawer and fresh-keeping refrigerator |
| WO2024055944A1 (en) * | 2022-09-14 | 2024-03-21 | 青岛海尔电冰箱有限公司 | Oxygen treatment device and refrigerating and freezing device having same |
| WO2024067613A1 (en) * | 2022-09-30 | 2024-04-04 | 青岛海尔电冰箱有限公司 | Refrigeration and freezing device |
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Application publication date: 20110119 |