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CN101948029A - Vacuum preservation device, refrigerator and control method of vacuum preservation device - Google Patents

Vacuum preservation device, refrigerator and control method of vacuum preservation device Download PDF

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Publication number
CN101948029A
CN101948029A CN 201010224975 CN201010224975A CN101948029A CN 101948029 A CN101948029 A CN 101948029A CN 201010224975 CN201010224975 CN 201010224975 CN 201010224975 A CN201010224975 A CN 201010224975A CN 101948029 A CN101948029 A CN 101948029A
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CN
China
Prior art keywords
vacuum
container
pressure
freshness retaining
vacuum pump
Prior art date
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Pending
Application number
CN 201010224975
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Chinese (zh)
Inventor
郑晓磊
杨发林
张奎
马廷
宋合喜
张文
刘延林
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.)
Haier Group Corp
Qingdao Haier Co Ltd
Original Assignee
Haier Group Corp
Qingdao Haier Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Haier Group Corp, Qingdao Haier Co Ltd filed Critical Haier Group Corp
Priority to CN 201010224975 priority Critical patent/CN101948029A/en
Publication of CN101948029A publication Critical patent/CN101948029A/en
Pending legal-status Critical Current

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Abstract

The invention provides a vacuum preservation device. The vacuum preservation device is provided with a vacuum preservation container, a vacuum pump and a pressure switch, wherein the vacuum pump is used for vacuumizing the vacuum preservation container; and the pressure switch is fixed on the vacuum pump and turns on and turns off the vacuum pump repeatedly to keep the pressure in the vacuum preservation container in a preset pressure range. The invention also provides a refrigerator provided with the vacuum preservation device. Furthermore, the invention provides a control method of the vacuum preservation device. The control method comprises the following steps of: selecting a vacuum preservation mode; starting to vacuumize; in the process of vacuumizing, turning off the vacuum pump by the pressure switch when the pressure in the vacuum preservation container is reduced to a first pressure value; and after the vacuum pump is turned off, feeding a startup signal back by the pressure switch to return to the step of vacuumizing and repeating the steps when the pressure in the vacuum preservation container is increased to a second pressure value. According to the vacuum preservation device, the refrigerator and the control method of the vacuum preservation device, the requirement on the extension of storage time under a low-oxygen vacuum environment of users is met, and the cost is reduced.

Description

The control method of antistaling vacuum container, refrigerator and this antistaling vacuum container
Technical field
The present invention relates to the control method of a kind of antistaling vacuum container, refrigerator and this antistaling vacuum container.
Background technology
The environment that is stored in hypothermia and hypoxia of food can be more lasting maintenance fresh.With regard to present preservation technique, generally all consider from following four aspects: 1, microbiological treatment makes the least possible existence in whole storage area destroy the microbial bacterial of the trophic structure of food exactly; 2, Temperature Treatment makes the space keep a low temperature environment, and the activity of germ is slowed down; 3, humidity is handled; 4, gas processing makes the inside, space reduce as far as possible for microbiological oxidation and the relatively more significant gas of respiration, mainly is oxygen.In the preservation technique of present refrigerator, oxygen also is closely-related for the oxidation and the respiration of food.
Reducing airborne level of oxygen, also is that tangible effect is arranged for the storage of food.Airborne level of oxygen is approximately 21%, is unfavorable for the fresh-keeping of food.Therefore need take measures to agree to the greatest extent to reduce concentration of oxygen in the food storage environment.
For example publication number is 101506602 Chinese patent application, a kind of electric refrigerator and control method thereof with vacuum fresh-keeping system disclosed, wherein, vacuumize by vacuum pump, pass through pressure monitoring device, detect in-to-in air pressure situation at confined space setting pressure sensor, thereby realize the fresh-keeping control of against vacuum, such detection, whole vacuumize the operation a period of time after, provide the pressure signal of a feedback by the pressure sensor of airtight storage area, pressure monitoring is made a feedback then, regulates the operation that stops vacuum pump.That is to say that such mode vacuum pump just moves a period of time, not do not continue repeatedly a state that vacuumizes is provided.This mode, requirement for the sensitivity of sealing property and pressure sensor is very high, if the sensitivity of poor sealing or pressure sensor is not unstable or even malfunctioning, such vacuum freshness retaining is not just known where to begin yet, and pressure sensor belongs to the inductor of electronic type, and cost is very high, and stability also is not easy control, prior art does not yet have full maturity for Study on Pressure Sensor, and fault rate also is very high.
Summary of the invention
At the problem that exists in the correlation technique, the object of the present invention is to provide the control method of a kind of antistaling vacuum container, refrigerator and antistaling vacuum container, in order to the food fresh-keeping environment that provides failure-free to continue to keep the hypoxemia vacuum to the user, to prolong the storage time of food under the hypoxemia vacuum environment.
For achieving the above object, according to an aspect of the present invention, the invention provides a kind of antistaling vacuum container, the vacuum pump that has the vacuum freshness retaining container and the vacuum freshness retaining container is vacuumized, also has the pressure switch that is fixed in vacuum pump, pressure switch is the switch vacuum pump reciprocally, so that the pressure in the vacuum freshness retaining container continues to remain in the predetermined pressure range.
Preferably, pressure switch have can take place elastically-deformable diaphragm and with diaphragm Fu thimble, wherein, the deformation quantity of diaphragm changes with the pressure in the vacuum freshness retaining container, and thimble selectively presses or break away from the touch switch of vacuum pump by diaphragm.
Preferably, predetermined pressure range is 0.7atm-0.9atm.
Preferably, vacuum pump and pressure switch all are arranged at outside the vacuum freshness retaining container.
Preferably, the vacuum freshness retaining container comprises Vacuum preservation barrel, is located at the vacuum release of Vacuum preservation barrel and the vacuum freshness retaining drawer that can pull out from the hypoxemia region of no pressure of Vacuum preservation barrel.
According to a further aspect in the invention, the invention provides a kind of refrigerator, be provided with aforementioned any antistaling vacuum container in the reefer of refrigerator.
Preferably, the admission port of vacuum pump is communicated with the vacuum freshness retaining container, and the air extractor duct of vacuum pump directly is communicated with reefer.
Preferably, antistaling vacuum container is fixed in the position of reefer lower middle by rack, and vacuum pump and vacuum freshness retaining container are arranged in juxtaposition.
In accordance with a further aspect of the present invention, the invention provides a kind of control method of antistaling vacuum container, comprise the steps: to select the vacuum freshness retaining pattern; Carry out the step that startup vacuumizes, start vacuum pump the vacuum freshness retaining container is vacuumized; During vacuumizing, when the pressure in the vacuum antistaling container was reduced to first force value, pressure switch feedback closing signal was to close vacuum pump; And after closing vacuum pump, when the pressure in the vacuum antistaling container went up to second force value, pressure switch feedback actuation signal started the step that vacuumizes and begins circulation to return to carry out, and wherein second force value is greater than first force value.
Preferably, the maximum flexibility deformation quantity of the diaphragm of pressure switch is set at corresponding with first force value, and the minimal elastic deformation quantity of the diaphragm of pressure switch is set at corresponding with second force value.
The invention has the beneficial effects as follows, than prior art, the present invention is by being fixed in the pressure switch on the vacuum pump, the vacuum freshness retaining container is continued to vacuumize circularly, by this, the food fresh-keeping environment that the present invention can provide failure-free continue to keep the hypoxemia vacuum to the user has been avoided the problem of the food fresh-keeping environment deterioration that causes owing to antistaling vacuum container is poorly sealed, has realized the demand of user for the prolongation of hypoxemia following storage time of vacuum environment; And than pressure sensor, the pressure switch of use effectively reduces manufacturing cost.
Description of drawings
Fig. 1 is the scheme drawing of antistaling vacuum container of the present invention, shows vacuum freshness retaining container, the vacuum pump that is arranged in juxtaposition, the pressure switch that is fixed in vacuum pump;
Fig. 2 is the explanatory view of pressure switch in the antistaling vacuum container of the present invention, wherein shows included diaphragm of pressure switch and thimble;
Fig. 3 is the front view of vacuum freshness retaining container in the antistaling vacuum container of the present invention;
Fig. 4 is the cutaway view along Fig. 3 center line A-A, shows the inner structure of vacuum freshness retaining container;
Fig. 5 shows another view of vacuum freshness retaining container in the antistaling vacuum container of the present invention;
Fig. 6 shows the scheme drawing of refrigerator of the present invention, wherein shows the antistaling vacuum container of being located in the reefer of the present invention;
Fig. 7 shows under control method of the present invention, the detailed operation flow process of antistaling vacuum container.
The specific embodiment
Referring to accompanying drawing 1-5, antistaling vacuum container of the present invention comprises vacuum freshness retaining container 2, vacuum pump 6, pressure switch 4, wherein, pressure switch 4 is fixed in vacuum pump 6, pressure switch 4 changes reciprocally switch vacuum pump 6 in response to the pressure in the vacuum freshness retaining container 2, continues to vacuumize circularly correspondingly to make 6 pairs of vacuum freshness retaining containers 2 of vacuum pump.Thus, in vacuum freshness retaining container 2, provide a kind of pressure to continue to remain on hypoxemia region of no pressure in the predetermined pressure range.
Particularly, referring to the antistaling vacuum container of the present invention shown in Fig. 1, wherein, pressure switch 4 be fixed in vacuum pump 6 above, the admission port of vacuum pump 6 is communicated with vacuum freshness retaining container 2 by rubber tube 62, the air extractor duct 64 of vacuum pump 6 directly is communicated with (in following refrigerator of the present invention, work off one's feeling vent one's spleen 64 directly be communicated with the reefer of refrigerator) with atmosphere.Also show vacuum pump 6 among Fig. 1 and all be located at outside the vacuum freshness retaining container 2 with pressure switch 4, this helps realizing one control, has also avoided being installed in the instability of the detection of internal sensor.
Referring to the scheme drawing of the pressure switch shown in Fig. 24, how reciprocally pressure switch 4 switch vacuum pump 6 is described.The start-stop that pressure switch 4 is controlled vacuum pump 6 by diaphragm (the mechanical diaphragm) 42 and the thimble 44 of elastically deformable, wherein diaphragm 42 and thimble 44 servo-actuateds.Thimble 44 is connected with the touch switch of vacuum pump 6, moves up and down by action of gravity, contacts (pressing) and the disengaging start-stop with control vacuum pump 6 with the touch switch of vacuum pump 6.The machinery diaphragm has good elasticity, its elastic deformation and pressure switch 4 pressure inside are corresponding one by one, pressure switch 4 pressure inside reduce, produce difference of pressure with external atmosphere pressure, deformation will take place in diaphragm 42, difference of pressure is big more, and deformation quantity is big more, has set and the corresponding relation of difference of pressure according to the size of deformation quantity.When the user selects the vacuum freshness retaining pattern (, select vacuum freshness retaining to start), difference of pressure produces, deformation takes place in diaphragm 42, thimble 44 positions move down thereupon, and when pressure reached first force value (being 0.7atm in the present embodiment), thimble 44 broke away from the touch switch of vacuum pump 6, at this moment will feed back a signal and give vacuum pump 6, vacuum pump 6 quits work.After vacuum pump 6 quits work, because in the vacuum freshness retaining container 2 is not absolute sealing fully, so being certain to has air admission, trend towards making internal pressure and external pressure to be consistent, this moment, pressure switch 4 same pressure can increase, the deformation of diaphragm 42 can be tending towards again reducing, thimble moves on 44 positions, when reaching second force value (greater than first force value, be 0.9atm in the present embodiment) time, thimble 44 contacts with the touch switch of vacuum pump 6, and vacuum pump 6 starts, begin again to vacuumize, and so forth circulation.
In other words, whether the diaphragm 42 of pressure switch 4 meets the requirements of air pressure according to the pressure in the deformation quantity monitoring vacuum freshness retaining container 2 that configures in advance, thimble 44 is closed vacuum pump 6 when the maximum flexibility deformation quantity (corresponding to first force value) of diaphragm 42, open vacuum pump 6 when the minimal elastic deformation quantity (corresponding to second force value) of diaphragm 42.Thus, pressure switch 4 is passed through constantly reciprocally start-stop vacuum pump 6, under the vacuum freshness retaining pattern, the pressure of hypoxemia region of no pressure in the vacuum freshness retaining container 2 can be remained in the predetermined pressure range.That is, the user just need once select the switch (that is, selecting the vacuum freshness retaining pattern) of vacuum freshness retaining, and whole space will be in the hypoxia that continues to vacuumize always, and good food fresh-keeping environment is provided.
The predetermined pressure range of the hypoxemia region of no pressure in the present embodiment in the vacuum freshness retaining container 2 is between the 0.7atm-0.9atm, comprising two endpoint values.In addition, also illustrate among Fig. 2 vacuum pump 6 is fixed to screw used on the base 14.
Further, describe vacuum freshness retaining container among the present invention referring to Fig. 3-5, vacuum freshness retaining container 2 comprises Vacuum preservation barrel 28, vacuum freshness retaining drawer 22, vacuum release, hermetically-sealed construction.Exterior Vacuum preservation barrel 28 provides a fully enclosed storage area, also just says main hypoxemia region of no pressure just in Vacuum preservation barrel 28, and vacuum freshness retaining drawer 22 mainly is a parking space.
Vacuum release comprises rotatable handle switch 36, sealing plug 38, torsion spring 44, and vacuum freshness retaining drawer protecgulum 24.Grip switches 36 is connected with torsion spring 44, is fixed on vacuum freshness retaining drawer protecgulum 24 centres by spliced eye 32, and sealing plug 38 is stuck on the grip switches 36, the hole of sealing protecgulum 24 and internal connection.When customer requirement takes out vacuum freshness retaining drawer 22, at first be to need to discharge Vacuum preservation barrel 28 in-to-in vacuum, vacuum freshness retaining drawer 22 just can be opened like this, promptly pulls out from the hypoxemia region of no pressure of vacuum freshness retaining container 2.Customer requirement rotating handles switch 36 drives sealing plug 38 rotations, just can communicate with the external world with the hole of internal connection on the protecgulum 24 like this, and the air pressure in the Vacuum preservation barrel 28 is with extraneous consistent, and the user just can open drawer 22.
The hermetically-sealed construction of Vacuum preservation barrel 28 comprises vacuum freshness retaining drawer protecgulum 24, protecgulum Connector Clip 40, sealing plug 38 and sealing band 42.Protecgulum 24 is connected with protecgulum Connector Clip 40, and protecgulum Connector Clip 40 mainly is a booster action, in case the external and internal pressure difference is too big when vacuumizing, causes protecgulum 24 to break.With protecgulum Connector Clip 40 bonded assemblys are bodies of vacuum freshness retaining drawer 22, inside mainly is to deposit fresh-keeping foodstuff.Between protecgulum Connector Clip 40 and the Vacuum preservation barrel 28 is sealing band 42, mainly is the leakproofness that guarantees whole storage area.All there is the hole of a connection front of the body of protecgulum 24, protecgulum Connector Clip 40 and vacuum freshness retaining drawer 22, and sealing plug 38 mainly seals bonded assembly hole inside and outside this when vacuumizing.
On the other hand, the present invention also provides a kind of refrigerator, wherein is provided with antistaling vacuum container of the present invention in the reefer of refrigerator.Specifically referring to accompanying drawing 6, describe refrigerator of the present invention, the admission port of its intermediate pump 6 is communicated with vacuum freshness retaining container 2, and the air extractor duct of vacuum pump 6 directly is communicated with reefer 10.Vacuum pump 6 is arranged in juxtaposition with vacuum freshness retaining container 2, by rack, described antistaling vacuum container is fixed in the position of reefer 10 lower middles, and this helps being beneficial to user's access food easily.Label 8 pointed dotted lines are the vacuum control unit assembly among Fig. 6, it comprises aforesaid vacuum pump, pressure switch, rubber tube and in order to the fixing base of vacuum pump, as can be seen from Figure 6, this vacuum control unit assembly is whole is arranged in juxtaposition with vacuum freshness retaining container 2.Also show the cold chamber 12 adjacent among Fig. 6 with reefer 10.
On the one hand, the present invention also provides a kind of control method of antistaling vacuum container,, makes under the vacuum freshness retaining pattern that the pressure of the hypoxemia region of no pressure in the vacuum freshness retaining container continues to remain in the predetermined pressure range in order to control antistaling vacuum container of the present invention again.
Control method of the present invention comprises the following step of carrying out successively: select the vacuum freshness retaining pattern; Carry out the step of " startup vacuumizes ", that is, start 6 pairs of vacuum freshness retaining containers 2 of vacuum pump and vacuumize; During vacuumizing, when the pressure in the vacuum antistaling container 2 was reduced to first force value, pressure switch 4 feedback closing signals were to close vacuum pump 6; And after closing vacuum pump 6, when the pressure in the vacuum antistaling container 2 went up to second force value, pressure switch 4 feedback actuation signals began circulation with the step of returning execution " startup vacuumizes ", and wherein second force value is greater than first force value.It may be noted that following the setting in advance of amount of elastic deformation of the diaphragm 42 of pressure switch 4, the maximum flexibility deformation quantity of diaphragm 42 is set at corresponding with first force value, and the minimal elastic deformation quantity of diaphragm 42 is set at corresponding with second force value.Identical with aforementioned content, first force value is 0.7atm in the present embodiment, and second force value is 0.9atm.
Referring to accompanying drawing 7, show under control method of the present invention, the workflow of antistaling vacuum container of the present invention: S1 selects the vacuum freshness retaining pattern; S2 starts vacuum pump and begins to vacuumize; S3: the vacuum freshness retaining container inner pressure reduces; S4, differential pressure are low to moderate first force value; S5, pressure switch feedback closing signal; S6 closes vacuum pump; S7, vacuum freshness retaining container internal gas pressure gos up; S8, air pressure go up to second force value; S9, pressure switch feedback actuation signal; Be back to S2 and begin circulation.When not in the vacuum freshness retaining pattern or when the user opens vacuum freshness retaining container 2, above-mentioned loop termination.
Among the present invention, atm represents standard atmosphere 1atm=0.101325Mpa.
To sum up, by means of the pressure switch that is fixed on the vacuum pump, by the vacuum freshness retaining container is continued to vacuumize circularly, so long as user's store food, do not discharge vacuum, open drawer, the pressure in the hypoxemia region of no pressure of vacuum freshness retaining container remains in the predetermined pressure range.By this, the present invention can provide failure-free to continue to keep the food fresh-keeping environment of hypoxemia vacuum to the user, avoid the problem of the food fresh-keeping environment deterioration that causes owing to antistaling vacuum container is poorly sealed, realized the demand that the user prolonged for the hypoxemia following storage time of vacuum environment; And than pressure sensor, the pressure switch of use effectively reduces manufacturing cost.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. antistaling vacuum container has vacuum freshness retaining container (2) and to the vacuum pump (6) that described vacuum freshness retaining container (2) vacuumizes, it is characterized in that,
Also have the pressure switch (4) that is fixed in described vacuum pump (6), described pressure switch (4) is the described vacuum pump of switch (6) reciprocally, so that the pressure in the described vacuum freshness retaining container (2) continues to remain in the predetermined pressure range.
2. antistaling vacuum container according to claim 1, it is characterized in that, described pressure switch (4) have can take place elastically-deformable diaphragm (42) and with described diaphragm (42) Fu thimble (44), wherein, the deformation quantity of described diaphragm (42) changes with the pressure in the described vacuum freshness retaining container (2), and described thimble (44) touch switch that selectively presses or break away from described vacuum pump (6) by described diaphragm (42).
3. antistaling vacuum container according to claim 1 and 2 is characterized in that, described predetermined pressure range is 0.7atm-0.9atm.
4. antistaling vacuum container according to claim 3 is characterized in that, described vacuum pump (6) and described pressure switch (4) all are arranged at outside the described vacuum freshness retaining container (2).
5. antistaling vacuum container according to claim 4, it is characterized in that described vacuum freshness retaining container (2) comprises Vacuum preservation barrel (28), is located at the vacuum release of described Vacuum preservation barrel (28) and the vacuum freshness retaining drawer (22) that can pull out from the hypoxemia region of no pressure of described Vacuum preservation barrel (28).
6. a refrigerator is characterized in that, is provided with the described antistaling vacuum container of aforementioned each claim in the reefer of described refrigerator (10).
7. refrigerator according to claim 6 is characterized in that, the admission port of described vacuum pump (6) is communicated with described vacuum freshness retaining container (2), and the air extractor duct of described vacuum pump (6) directly is communicated with described reefer (10).
8. refrigerator according to claim 7 is characterized in that, described antistaling vacuum container is fixed in the position of described reefer (10) lower middle by rack, and described vacuum pump (6) is arranged in juxtaposition with described vacuum freshness retaining container (2).
9. the control method of an antistaling vacuum container is characterized in that, comprises the steps:
Select the vacuum freshness retaining pattern;
Carry out the step that startup vacuumizes, start vacuum pump the vacuum freshness retaining container is vacuumized;
During vacuumizing, when the pressure in the described vacuum freshness retaining container was reduced to first force value, pressure switch feedback closing signal was to close described vacuum pump; And
After closing described vacuum pump, when the pressure in the described vacuum freshness retaining container gos up to second force value, described pressure switch feedback actuation signal starts the step that vacuumizes and begins circulation to return described execution, and wherein said second force value is greater than described first force value.
10. control method according to claim 9, it is characterized in that, the maximum flexibility deformation quantity of the diaphragm of described pressure switch is set at corresponding with described first force value, and the minimal elastic deformation quantity of the diaphragm of described pressure switch is set at corresponding with described second force value.
CN 201010224975 2010-07-13 2010-07-13 Vacuum preservation device, refrigerator and control method of vacuum preservation device Pending CN101948029A (en)

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CN103486814A (en) * 2012-06-11 2014-01-01 Lg电子株式会社 Refrigerator having air pressure controllable storage container and storage method thereof
CN104653432A (en) * 2015-02-12 2015-05-27 尤文峰 Automatic air extraction machine
CN104841070A (en) * 2015-02-12 2015-08-19 尤文峰 Indoor fire control device
CN105627665A (en) * 2014-10-31 2016-06-01 宁波吉德电器有限公司 Refrigerator capable of performing low-temperature preservation by utilizing space potential
CN106679319A (en) * 2016-12-02 2017-05-17 青岛海尔股份有限公司 Refrigeration device and preservation control method thereof
CN107367126A (en) * 2017-07-06 2017-11-21 青岛海尔股份有限公司 The control method and computer-readable storage medium of refrigerator
CN107692559A (en) * 2017-10-17 2018-02-16 佛山市淇特科技有限公司 Vacuumize wardrobe and its method
CN109984562A (en) * 2018-01-02 2019-07-09 佛山市顺德区美的电热电器制造有限公司 Cooking apparatus and its vacuum reserve fresh-keeping control method
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WO2021114961A1 (en) * 2019-12-12 2021-06-17 海信(山东)冰箱有限公司 Refrigerator
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CN105627665A (en) * 2014-10-31 2016-06-01 宁波吉德电器有限公司 Refrigerator capable of performing low-temperature preservation by utilizing space potential
CN104653432A (en) * 2015-02-12 2015-05-27 尤文峰 Automatic air extraction machine
CN104841070A (en) * 2015-02-12 2015-08-19 尤文峰 Indoor fire control device
CN106679319A (en) * 2016-12-02 2017-05-17 青岛海尔股份有限公司 Refrigeration device and preservation control method thereof
CN106679319B (en) * 2016-12-02 2019-12-10 青岛海尔股份有限公司 Refrigerating and freezing device and fresh-keeping control method thereof
CN107367126B (en) * 2017-07-06 2020-03-31 青岛海尔股份有限公司 Control method of refrigerator and computer storage medium
CN107367126A (en) * 2017-07-06 2017-11-21 青岛海尔股份有限公司 The control method and computer-readable storage medium of refrigerator
CN107692559A (en) * 2017-10-17 2018-02-16 佛山市淇特科技有限公司 Vacuumize wardrobe and its method
CN109984562A (en) * 2018-01-02 2019-07-09 佛山市顺德区美的电热电器制造有限公司 Cooking apparatus and its vacuum reserve fresh-keeping control method
CN109984562B (en) * 2018-01-02 2020-12-22 佛山市顺德区美的电热电器制造有限公司 Cooking appliance and vacuum reservation fresh-keeping control method thereof
CN111288714A (en) * 2018-12-07 2020-06-16 海尔智家股份有限公司 Storage device of refrigerator and refrigerator
CN111288714B (en) * 2018-12-07 2021-10-29 海尔智家股份有限公司 Storage device of refrigerator and refrigerator
WO2021114961A1 (en) * 2019-12-12 2021-06-17 海信(山东)冰箱有限公司 Refrigerator
CN111713445A (en) * 2020-07-14 2020-09-29 鄂光照 Bright commodity circulation transport case is given birth to indefinite form
CN114076446A (en) * 2020-08-14 2022-02-22 海信(山东)冰箱有限公司 Refrigerator and vacuumizing protection control method applied to refrigerator
CN114383354A (en) * 2020-10-19 2022-04-22 海信(山东)冰箱有限公司 Refrigerator with a door
CN114383355A (en) * 2020-10-19 2022-04-22 海信(山东)冰箱有限公司 Refrigerator with a door
CN114383355B (en) * 2020-10-19 2023-06-16 海信冰箱有限公司 Refrigerator with a refrigerator body
CN114383354B (en) * 2020-10-19 2023-10-03 海信冰箱有限公司 Refrigerator with a refrigerator body
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

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Application publication date: 20110119