CN116045582A - Refrigerator with a refrigerator body - Google Patents

Refrigerator with a refrigerator body Download PDF

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Publication number
CN116045582A
CN116045582A CN202111260575.3A CN202111260575A CN116045582A CN 116045582 A CN116045582 A CN 116045582A CN 202111260575 A CN202111260575 A CN 202111260575A CN 116045582 A CN116045582 A CN 116045582A
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CN
China
Prior art keywords
storage
humidity
fan
moisture permeable
threshold
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
CN202111260575.3A
Other languages
Chinese (zh)
Inventor
王磊
鞠晓晨
罗晨
杨春
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.)
Hisense Shandong Refrigerator Co Ltd
Original Assignee
Hisense Shandong Refrigerator 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.)
Filing date
Publication date
Application filed by Hisense Shandong Refrigerator Co Ltd filed Critical Hisense Shandong Refrigerator Co Ltd
Priority to CN202111260575.3A priority Critical patent/CN116045582A/en
Publication of CN116045582A publication Critical patent/CN116045582A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
    • F25D2317/04111—Control means therefor
    • 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
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
    • F25D2317/04131—Control means therefor
    • 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
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • 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
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The present invention provides a refrigerator, comprising: a case defining a storage compartment, a storage device, and a refrigeration unit; a communication port provided with a moisture permeable film is formed on one side wall of the storage device; a first fan is arranged on the side wall of the storage device, which is provided with a moisture permeable membrane, the first fan is positioned on one side of the side wall, which is close to the storage room, an air outlet of the first fan faces the moisture permeable membrane, and air flow flowing out from the air outlet of the first fan flows along the surface of the moisture permeable membrane; cooling the air passing through the refrigerating unit to form low-temperature air flow, and entering a storage room to flow through a moisture permeable membrane; the invention has the advantages of high efficiency and rapid dehumidification, avoiding the loss of water caused by wind blowing of food materials due to dehumidification, avoiding the mildew of the food materials, and improving the moisturizing and fresh-keeping effects.

Description

Refrigerator with a refrigerator body
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a refrigerator.
Background
At present, the existing refrigerator products with humidity-adjustable drawers on the market have two great defects, namely, the humidity control effects of different gears are difficult to be simultaneously considered, and the following situations often occur: if the gear moisturizing effect of high moisturizing is poor, the food materials in the high-humidity environment required by leaf vegetables can be air-dried; or when the drawer is arranged in a high-humidity gear, the phenomenon of condensation is caused by overhigh humidity in the drawer, and when the drawer is arranged in a medium-low humidity gear, if food materials such as citrus, melons and the like which are suitable for medium-low humidity are stored, the phenomenon of mildew is caused by overhigh humidity.
In view of this, the present invention has been proposed.
Disclosure of Invention
The invention provides a refrigerator aiming at the technical problems.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a refrigerator, comprising:
a case defining a storage compartment;
a storage device accommodated in the storage room; the storage device defines a sealed storage cavity, and a communication port is formed on one side wall of the storage device;
the moisture-permeable membrane is arranged at the communication port of the storage device;
the first fan is arranged on the side wall of the storage device, which is provided with the moisture permeable film, and is positioned on one side of the side wall, which is close to the storage room; the air outlet of the first fan faces the moisture permeable membrane, and the air flow flowing out from the air outlet of the first fan flows along the surface of the moisture permeable membrane;
a cooling unit having a second air supply port corresponding to the position of the moisture permeable film; the low-temperature air flow formed by the refrigerating unit enters the storage room through the second air supply opening and flows through the moisture permeable membrane.
As an implementation mode, a second humidity sensor for detecting the humidity in the storage cavity is arranged in the storage cavity; the refrigerator includes a controller configured to acquire a storage humidity R within the storage cavity after the storage device enters a storage mode N Rate of change of storage humidity alpha r ；
At alpha r3 ≤α r And R is N ≥R Z3 When the controller controls the first fan to have the third power P 3 The refrigerating unit operates until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 ；
Wherein alpha is r3 R is a third humidity change rate threshold Z3 For a third humidity threshold, R Z0 For the storage humidity threshold in the storage mode, R Z0 ＜R Z3 。
As an embodiment, at α r2 ≤α r ＜α r3 And R is N ≥R Z2 When the controller controls the first fan to generate the second power P 2 Running until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 ；
Wherein alpha is r2 R is the second humidity change rate threshold Z2 Is a second humidity threshold; r is R Z2 ＜R Z3 ，P 2 ≤P 3 。
As an embodiment, at α r1 ≤α r ＜α r2 And R is N ≥R Z1 When the controller controls the first fan to have a first power P 1 Running until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 ；
Wherein alpha is r1 R is the first humidity change rate threshold value Z1 Is a first humidity threshold; r is R Z0 ＜R Z1 ＜R Z2 ，P 1 ＜P 2 。
As an implementation manner, the rated power of the first fan is denoted as P 0 ，P 1 ＜P 0 ＜P 2 ≤P 3 。
As an embodiment, P 1 ＝50％P 0 ，P 2 ≤P 3 ＝100％P 0 Or P 2 ≤P 3 ＝120％P 0 。
As an implementation mode, a second fan is arranged in the storage cavity;
at R N ≥R 2 When the second fan is in operation, the controller controls the second fan to work; wherein R is 2 For the second dehumidification threshold value, R 2 ＞R Z2 Or R is 2 ＞R Z3 。
As an implementation mode, a second fan is arranged in the storage cavity; at alpha r2 ≤α r ＜α r3 And R is N ≥R Z2 When or at alpha r3 ≤α r And R is N ≥R Z3 And when the second fan works, the controller controls the second fan to work.
As one embodiment, the refrigerator is provided with a plurality of storage modes; storage mode switching, at R N ＞R Z0 When the first fan is in operation, the controller controls the first fan to operate until the storage humidity R in the storage cavity N Storage humidity threshold R for reaching converted storage mode Z0 。
As an implementation manner, the controller obtains the continuous closing time t of the storage device, and when the continuous closing time of the storage device reaches a set time threshold t 0 Then, the controller operates the first fan according to the set humidity gear until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 。
Compared with the prior art, the invention has the advantages and positive effects that:
the present invention provides a refrigerator, comprising: a box body defining a storage room, a storage device accommodated in the storage room and a refrigerating unit; the storage device defines a sealed storage cavity, and a communication port is formed on one side wall of the storage device; a moisture permeable membrane is arranged at the communication port of the storage device; a first fan is arranged on the side wall of the storage device, which is provided with the moisture permeable membrane, the first fan is positioned on one side of the side wall, which is close to the storage room, and the air outlet of the first fan faces the moisture permeable membrane; the air flow flowing out from the air outlet of the first fan flows along the surface of the moisture permeable film; the refrigeration unit is provided with a second air supply opening corresponding to the position of the moisture permeable film; the low-temperature air flow formed by the refrigerating unit enters the storage room through the second air supply opening and flows through the moisture permeable membrane; the first fan is started to effectively increase the airflow velocity on the surface of the moisture-permeable film so as to efficiently and rapidly dehumidify, prevent food materials from losing moisture due to wind blowing caused by dehumidification, enhance the dehumidification effect, prevent the food materials from being mildewed due to overlarge humidity in the storage cavity, and effectively improve the moisturizing and fresh-keeping effects; the temperature of one side of the moisture permeable membrane close to the storage room is reduced through the refrigerating unit, so that the water vapor transmittance of the moisture permeable membrane is increased, and the dehumidification efficiency is effectively improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a refrigerator according to the present invention;
fig. 2 is a schematic structural view of a storage device of the refrigerator according to the present invention;
fig. 3 is a schematic view of a structure of a storage device of a refrigerator according to the present invention in an opened state;
FIG. 4 is a schematic view of a portion of a storage device of a refrigerator according to the present invention;
FIG. 5 is a schematic view showing another view of a portion of the structure of the storage device of the refrigerator according to the present invention;
fig. 6 is a schematic structural view of another view of the storage device of the refrigerator according to the present invention;
FIG. 7 is a schematic view showing a part of a structure of a storage device of a refrigerator according to the present invention;
FIG. 8 is a schematic view showing the structure of a moisture permeable film and a bracket of the refrigerator according to the present invention;
fig. 9 is a sectional view of a refrigerating unit of the refrigerator of the present invention;
fig. 10 is a cross-sectional view of another view of a refrigerating unit of the refrigerator of the present invention;
fig. 11 is a schematic structural view of a refrigerating unit of the refrigerator of the present invention;
fig. 12 is a schematic view showing a structure of a refrigerating unit of the refrigerator according to another aspect of the present invention;
FIG. 13 is an overall schematic view of a constant humidity control method of the refrigerator of the present invention;
fig. 14 is an overall schematic view of another embodiment of a constant humidity control method of a refrigerator according to the present invention;
fig. 15 is an overall schematic view of another embodiment of a constant humidity control method of a refrigerator according to the present invention;
fig. 16 is an overall schematic diagram of another embodiment of a constant humidity control method of a refrigerator according to the present invention;
fig. 17 is an overall schematic diagram of another embodiment of a constant humidity control method of a refrigerator according to the present invention.
In the above figures: a storage room 1; a storage device 2; a storage cavity 3; a moisture permeable film 4; a first fan 5; a second fan 6; a housing 7; a drawer 8; a bracket 9; a case 10; an operation panel 11; a first edge 12; a second edge 13; a housing 14; a liner 15, a fan housing cavity 21; an air blower 22; a first air duct 23; a second air duct 24; a return air duct 25; a first air supply port 26; a second air supply port 27; an air return port 28; a first damper 20; a second damper 29.
Detailed Description
The present invention will be further described with reference to specific examples so that those skilled in the art may better understand the present invention and practice it, but the scope of the present invention is not limited to the scope described in the specific embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.
It should be noted that the description of "first", "second", etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
As shown in fig. 1 to 8, a refrigerator includes a heat-insulating case 10; the case 10 includes a housing and a liner 15, the liner 15 defining a plurality of insulated compartments 1 for storing items such as food. In the present embodiment, these storage compartments 1 are a refrigerating compartment located at the upper portion and a freezing compartment located at the bottom portion, respectively. The storage compartments 1 may be closed by respective corresponding door. It should be noted that, the arrangement of the positions of the refrigerating chamber and the freezing chamber is not limited to the arrangement of the upper and lower positions, such as the arrangement of the condensing chamber and the freezing chamber in parallel. Of course, the number of the storage compartments is not limited to two.
Wherein, a storage device 2 is arranged in the storage room 1; the storage device 2 defines a sealed storage cavity 3, a communication port is formed on one side wall of the storage device 2, and a moisture permeable membrane 4 is arranged at the communication port. A first fan 5 is arranged on the side wall of the storage device 2, which is provided with the moisture permeable film 4, and the first fan 5 is positioned on one side of the side wall, which is close to the storage room 1; wherein, the first fan 5 is adjacent to the moisture permeable film 4, and the air outlet of the first fan 5 faces the moisture permeable film 4; the air flow flowing out from the air outlet of the first fan 5 flows along the surface of the moisture permeable film 4. The sealed storage cavity 3 is arranged, and the storage cavity 3 and the storage room 1 are exchanged by moisture through the moisture permeable membrane 4 arranged at the communication port, so that gas exchange does not occur, and the storage cavity 3 is not influenced by the air flow of the external environment (storage room) and the like.
The refrigerator is provided with a controller, a first humidity sensor is arranged in the storage room 1 to monitor the humidity in the storage room 1; in this practical example, the first humidity sensor is disposed on the rear wall of the storage room 1 and corresponds to the position of the storage device 2; a second humidity sensor is arranged in the storage cavity 3 to monitor the humidity in the storage cavity 3. When the humidity in the storage cavity 3 is higher than the humidity in the storage room 1 and reaches a first threshold value, the controller controls the first fan 5 to operate, and the air flow flowing out from the air outlet of the first fan 5 flows along the surface of the moisture permeable membrane 4 so as to flow through the moisture permeable membrane 4; the air flow of the moisture permeable film 4 near one side of the storage room 1 is quickened, the humidity value of the outer side of the sealed storage cavity 3 (particularly the moisture permeable film 4) is reduced, a larger humidity difference is formed, the efficiency of the moisture permeable film 3 is prevented from being reduced or the moisture in the storage cavity 3 cannot be discharged due to complete failure, the moisture permeability is improved, the moisture produced by food materials is further reduced to be accumulated in the storage cavity 3 to form condensation or frosting, the food materials are prevented from being mildewed due to the condensation in the storage cavity 3, and meanwhile, the loss of the moisture caused by the wind blowing of the food materials in the dehumidification process can be avoided; in addition, the airflow in the storage room 1 can be promoted to flow, and the internal cooling capacity can be promoted to be uniform.
Wherein the first threshold value of the humidity is set according to the humidity of the stored food material suitable for storage. When the refrigerator is set, according to different food material types and different food material storage amounts, thresholds under various conditions can be preset for users to select, so that more targeted humidity control is realized.
As an implementation manner, an operation panel 11 is provided on the upper wall of the storage device 2, so that a user can select storage modes with different humidity levels. Wherein, the humidity range corresponding to the high-humidity gear is 90-98% RH, and the high-humidity gear is suitable for storing leaf vegetables, cauliflower, fungus, vegetable beans, vegetables, stone fruits, kernel fruits and berry fruits; the humidity range corresponding to the medium-humidity gear is 80% -90% RH, and the medium-humidity gear is used for storing rhizome vegetables such as potatoes, sweet potatoes and the like, solanaceous vegetables and citrus fruits; the humidity range corresponding to the low-humidity gear is 70% -80% RH, and the low-humidity gear is used for storing root vegetables such as onions, garlic and the like, melon vegetables and fruits. The above arrangement realizes targeted humidity control of food materials, improves the fresh-keeping effect and the product quality, and improves the user experience. As an embodiment, the storage device 2 comprises a housing 7, a drawer 8 which can be pulled out or pushed in. The operation plate 11 is disposed at one end of the top wall of the housing 7 near the refrigerator door, and is convenient for a user to operate.
In the embodiment, the housing 14 is arranged at the communication port, and the housing 14 defines a containing cavity for containing the moisture permeable membrane 4; in this embodiment, the accommodating cavity formed by the housing 14 is located on one side of the sidewall of the storage device 2 where the accommodating cavity is located, which is close to the rear wall of the storage compartment 1, so that when the drawer 8 is completely accommodated in the accommodating cavity 3, the drawer 8 is prevented from contacting the moisture permeable membrane 4 to damage the moisture permeable membrane 4; meanwhile, the moisture-permeable membrane 4 is effectively protected, and the damage to the moisture-permeable membrane 4 caused by collision of parts outside the storage device 2 is avoided. Wherein a plurality of ventilation holes are formed in the housing 14 so that the air flow blown out by the first fan 5 passes through and flows over the surface of the air-permeable film. In this embodiment, the cover 14 and the sidewall of the storage device 2 are integrally formed, which is convenient for processing.
As another implementation manner, the second fan 6 is arranged in the storage cavity 3 to promote air in the storage cavity 3 to flow and mix, so that food materials are prevented from being mildewed due to condensation in the storage cavity 3 caused by excessive humidity.
When the humidity in the storage cavity 3 is greater than the humidity in the storage room 1 and reaches a second threshold (wherein the second threshold is greater than the first threshold), the humidity in the storage cavity 3 is greater, and at the moment, the first fan 5 and the second fan 6 operate simultaneously; at this time, the first fan 5 effectively increases the flow rate of the air flowing through the moisture-permeable membrane 4, and effectively increases the water vapor transmission rate of the moisture-permeable membrane 4, so as to quickly dehumidify; the second fan 6 works to promote air in the storage cavity 3 to flow and mix, so that condensation is prevented from being formed in the storage cavity 3 due to overlarge humidity, and therefore food materials are prevented from being mildewed. The second threshold is set according to the humidity at which the stored food materials mold.
In this embodiment, the second fan 6 is disposed on a side wall of the storage device 2 provided with the moisture permeable film 4 and is adjacent to the moisture permeable film 4; the air outlet of the second fan 6 faces the moisture permeable membrane 4, and the air flow flowing out from the air outlet of the second fan 6 flows along the surface of the moisture permeable membrane 4. On one hand, the air flow flowing out from the air outlet of the second fan 6 promotes the air in the storage cavity 3 to flow so as to avoid condensation caused by overhigh humidity; on the other hand, the air flow generated by the second fan 6 flows through the moisture permeable membrane 4 to accelerate the water vapor permeation rate of the moisture permeable membrane 4 so as to quickly dehumidify, thereby avoiding condensation caused by overhigh humidity. The position of the second fan 6 is set to quicken the adjustment of the humidity in the storage cavity 3, so that the food materials are prevented from being mildewed.
As an implementation manner, the first fan 5 and the second fan 6 are disposed on opposite sides of the same side wall of the storage device 2, and the second fan 6 corresponds to the first fan 5. When the storage cavity 3 is in a high humidity environment, the first fan 5 and the second fan 6 work simultaneously, so that the airflow velocity at two opposite sides of the moisture permeable membrane 4 is increased, the water vapor transmission rate of the moisture permeable membrane 4 is further accelerated, and dehumidification is accelerated.
In the present embodiment, the area defined by the edge of the sidewall of the storage device 2 where the moisture permeable film 4 is located is denoted as S 1 The area of the moisture permeable film 4 is denoted as S 2 ，S 2 ：S 1 ∈[0.5，0.8]. To be used forThe first fan 5, the second fan 6 and the moisture permeable membrane 4 are reasonably arranged on the side wall of the storage device 2, and meanwhile, the area of the moisture permeable membrane 4 is ensured to meet the requirement in humidity adjustment.
In this embodiment, the plane of the air outlet of the first fan 5 or the second fan 6 is perpendicular to the plane of the moisture permeable film 4; that is, the air flow flowing out from the air outlet of the first fan 5 or the second air outlet flows parallel to the moisture permeable film 4; so that the air flow flowing out from the air outlet of the first fan or the second fan can flow through more areas of the moisture permeable membrane 4, thereby improving the overall moisture permeability of the moisture permeable membrane 4 and accelerating the dehumidification.
In the present embodiment, the moisture permeable film 4 is provided in a rectangular shape; the long side of the rectangular moisture permeable film 4 is denoted as a first side 12, and the short side of the rectangular moisture permeable film 4 is denoted as a second side 13. The first fan 5 and the second fan 6 are arranged at the adjacent positions of the second edge 13 of the moisture-permeable film 4, which is shorter in size; on the one hand, the air outlets of the first fan 5 and the second fan 6 can effectively cover the moisture permeable membrane 4, and the fluidity of the air flow is effectively utilized in the other direction, so that the air flow can comprehensively flow through the first edge 12 direction of the moisture permeable membrane 4. In addition, the plane of the air outlet of the first fan 5 or the second fan 6 is parallel to the shorter edge of the moisture permeable membrane 4, so that the effective air volume of the air flow flowing through the moisture permeable membrane 4 is effectively ensured, and the air volume utilization rate is improved.
The above moisture permeable film 4 is set to be rectangular, the length of the first side 12 is denoted as C, and the length of the second side 13 is denoted as B, wherein C: b is E [1.2,1.8]. At this time, the air flow of the first fan 5 and/or the second fan 6 can effectively cover the moisture permeable membrane 4, and ensure the air flow speed flowing through each area of the moisture permeable membrane 4, so as to ensure that the moisture permeable membrane 4 has a high-efficiency water vapor transmission rate everywhere.
The air outlet size of the first fan 5 is marked as W along the direction of the second edge 13 of the moisture permeable film 4 1 The air outlet size of the second fan 6 is marked as W 2 ；W 1 ：B∈[0.3，0.7]，W 2 ：B∈[0.3，0.7]The method comprises the steps of carrying out a first treatment on the surface of the The arrangement can reasonably layout the moisture permeable membrane 4 and the fans by limiting the size of the fans and the size of the moisture permeable membrane 4, ensure that the air flow flowing out from the air outlets of the first fan 5 or/and the second fan 6 has comprehensive and effective coverage rate, and further improve the moisture permeable membrane 4Overall water vapor transmission rate.
In addition, the normal line of the moisture permeable film 4 passing through the center of the moisture permeable film 4 is denoted as an axis L, the plane of the air outlet of the first fan or the second fan is denoted as an air outlet plane P, and the distance between the axis L and the air outlet plane P is denoted as D 1 The distance between the adjacent edge (second edge 13) of the moisture permeable film 4 and the air outlet of the first fan or the second fan and the air outlet plane P is denoted as D 2 ，D 2 ：D 1 ∈[1，1.5]So that the air flow flowing out of the air outlet plane keeps effective movement energy to flow through the first edge 12 of the moisture-permeable membrane 4, and the water vapor permeability of the moisture-permeable membrane 4 is increased.
The center line of the moisture permeable film 4 parallel to the bottom surface of the storage compartment 1 is denoted as a center line M (in this embodiment, a rectangular center line parallel to the first side 12), and the regions of the moisture permeable film 4 respectively disposed on opposite sides of the center line M are denoted as a first moisture permeable region and a second moisture permeable region; wherein, one of the air outlet of the first fan 5 and the air outlet of the second fan 6 faces the first moisture permeable area, and the other faces the second moisture permeable area; the air flow blown out from the air outlet of the first fan 5 mainly flows through the moisture permeable area which the air flow faces; the air flow blown out from the air outlet of the second fan 6 mainly flows through the moisture permeable area which the air flow faces; the arrangement ensures that the air flow intensity flowing through the whole area of the moisture permeable membrane 4 is uniformly distributed, the moisture permeable membrane 4 is fully utilized, and the moisture permeable efficiency is improved. In this embodiment, the first moisture permeable region is located below the second moisture permeable region, and the air outlet of the first fan 5 faces the first moisture permeable region, and the air outlet of the second fan 6 faces the second moisture permeable region.
Above, the first fan 5 and the second fan 6 are centrifugal fans or vortex fans. In this embodiment, the moisture permeable film 4 is disposed on the rear wall of the storage cavity 3. In addition, the moisture permeable membrane 4 is arranged on the bracket 9, and the bracket 9 and the storage device 2 are clamped and arranged at the communication port. Specifically, two moisture permeable films 4 are arranged on the bracket 9, and the two moisture permeable films 4 are arranged in parallel. As a settable mode, the two moisture permeable films are arranged at intervals so as to effectively improve the moisture permeable efficiency.
As shown in fig. 9 to 12, a refrigerating unit is provided on the rear wall of the storage compartment 1, and the refrigerating unit and the rear wall of the storage compartment 1 together define a return air duct 25. An evaporator (not shown) is provided in the return air duct 25 to cool the passing air. The refrigerating unit defines a fan accommodating cavity 21, and an air supply fan 22 is installed in the fan accommodating cavity 21.
The refrigerating unit defines a first air duct 23 and a second air duct 24 communicating the storage compartment with the fan housing chamber 21. The front side of the refrigerating unit is provided with a first air supply opening 26 close to the upper end of the refrigerating unit, a second air supply opening 27 close to the lower end of the refrigerating unit and an air return opening 28 communicated with the air return duct 25. The second air supply opening 27 corresponds to the moisture permeable film 4 on the storage device 2, and the air return openings 28 are distributed in the area below the second air supply opening 27. The first air duct 23 is communicated with the fan accommodating cavity 21 and the first air supply opening 26, so that low-temperature air flow passing through the evaporator enters the storage room 1 from the top of the storage room; the low-temperature air sent out by the first air supply opening 26 enters the return air duct 25 through the return air opening 28 positioned at the bottom after passing through the storage room 1, and enters the fan accommodating cavity 21 after being cooled by the evaporator.
The second air duct 24 is communicated with the fan accommodating cavity 21 and the second air supply outlet 27; the low-temperature air flow entering the storage room 1 through the second air supply opening 27 flows through the moisture permeable membrane 4, returns to the return air duct 25 through the return air opening 28, and enters the fan accommodating cavity 21 after being cooled by the evaporator; local low-temperature airflow circulation is formed around the moisture permeable membrane 4 so as to effectively influence the water vapor transmittance of the moisture permeable membrane 4 and promote dehumidification; while the local low temperature airflow circulation reduces its effect on the temperature within the storage compartment.
In this embodiment, a first air door 20 for connecting or disconnecting the fan accommodating chamber 21 to the storage room 1 is provided in the first air duct 23, and a second air door 29 for connecting or disconnecting the fan accommodating chamber 21 to the storage room 1 is provided in the second air duct 24.
When the temperature in the storage room 1 (outside the storage cavity 3) changes, the water vapor pressure and chemical potential energy of the air outside the permeable membrane 4 change, and the potential energy difference between the inside and the outside of the permeable membrane 4 can lead to spontaneous transfer of moisture until the humidity in the storage cavity 3 and the air humidity in the storage room 1 outside the permeable membrane 4 reach an equilibrium state. By the above mode, the humidity in the storage cavity 3 is changed, and when the second humidity sensor in the storage cavity 3 senses that the actual humidity in the storage cavity 3 is consistent with the set humidity threshold (humidity gear), the humidity adjusting process is finished, and the second air door 29 is closed; the temperature in the storage room 1 is kept in a constant range, and the humidity in the storage cavity 3 is kept in a humidity balance state to keep constant humidity.
The technical principle of the moisture permeable membrane is that the transfer-balance process can occur under the existence of different environmental chemical potentials by utilizing moisture.
The chemical potential difference is Δm=m o -M i ＝R(T o lnp o -T i lnp i ) Wherein P represents the vapor pressure of water, T represents the temperature, and o and i represent the corresponding parameters of the outer side of the moisture permeable film and the inner side of the storage cavity respectively.
If Δm >0, the transfer of water vapor outside the permeable membrane into the storage cavity is a spontaneous process, and the humidity in the storage cavity 3 increases until Δm=0 in order to reach an equilibrium state.
If Δm=0, the water vapor outside the moisture permeable film is in a dynamic balance state, so that the humidity in the storage cavity is neither increased nor reduced.
If Δm <0, the transfer of water vapor in the storage chamber to the outside of the moisture permeable membrane is a spontaneous process, and in order to reach an equilibrium state, the humidity in the storage chamber 3 is reduced until Δm=0.
When the intelligent food storage device is specifically used, a user selects a proper humidity gear according to food materials, the second humidity sensor obtains real-time humidity in the storage cavity 3, and if the actual humidity in the storage cavity 3 is within a range threshold value of the set gear humidity, the adjustment is not performed.
If the actual humidity in the storage cavity 3 is greater than the range threshold value of the set gear humidity, dehumidification is needed; the air supply fan 22 is started, the second air door 29 is opened, the second air duct 24 is communicated with the fan accommodating cavity 21 and the storage room 1, and low-temperature air enters the storage room 1 through the second air supply opening 27 and flows through the moisture permeable film 4; then the air returns to the return air duct 25 through the return air opening 28, and enters the fan accommodating cavity 21 after being cooled by the evaporator; local air flow circulation is formed around the moisture permeable membrane so as to realize the reduction of the air temperature outside the moisture permeable membrane 4; at this time T o ∈, and T o P is ∈ o ∈, and according to Δm=m o -M i ＝R(T o lnp o -T i lnp i ) Analysis shows that M o Also ∈ results in if ΔM<0, the water vapor in the storage cavity 3 spontaneously transfers to the outer side of the moisture permeable film 4 until ≡m=0. The local low-temperature airflow circulation effectively promotes the water vapor in the storage cavity 3 to quickly penetrate through the moisture permeable membrane 4 and enter the storage room 1, and can quickly take away the water vapor which is penetrated out of the storage cavity 3, so that the dehumidification rate is effectively accelerated, and the quick humidity adjustment is realized; on the other hand, through heat exchange, the temperature in the storage cavity is reduced to form a lower-temperature storage space, so that the storage fresh food and the like are suitable for storage.
In the dehumidification process, the second humidity sensor judges whether the actual humidity in the storage cavity is within the range threshold of the set gear humidity. If yes, finishing the humidity adjusting process; if the humidity is still higher than the set gear humidity, the second air duct 24 will continue to reduce the air temperature outside the moisture permeable membrane 4, and continue the humidity adjustment process until the second humidity sensor detects that the actual humidity in the storage cavity 3 is within the range threshold of the set gear humidity.
In this embodiment, the storage device 2 is installed in the refrigerating chamber, the humidity in the refrigerating chamber is within the range of 3-8 ℃, and because the storage chamber 3 exchanges water vapor with the refrigerating chamber through the moisture permeable membrane 4, in the general mode, the humidity in the storage chamber 3 mainly comes from the transpiration of the fruits and vegetables, and the relative humidity in the storage chamber 3 reaches 80% -90%.
According to different food materials stored in the storage device 2, the humidity requirements in the opposite object cavity 3 are different; in this embodiment, the refrigerator is provided with a plurality of storage modes, and the operation panel 11 allows a user to select the storage modes to purposefully adjust the humidity in the storage chamber 3. In this embodiment, as described above, the operation panel 11 is provided with a plurality of humidity keys with shift positions for the user to select the storage humidity in the storage cavity 3 most suitable for fresh keeping according to the food materials, and the storage mode is switched to R N ＞R Z0 When the first fan is controlled to operate to adjust the humidity in the storage cavity 3 to reach the set storage humidity threshold R Z0 (humidity threshold corresponding to the set gear). Specifically, as described above, the operating panel is provided with a high humidity gear, a medium humidity gear, and a low humidity gear; wherein the high humidity gear corresponds toA high humidity storage mode, a medium humidity range corresponding to the medium humidity storage mode, and a low humidity range corresponding to the low humidity storage mode; each set humidity gear is provided with a storage humidity threshold R corresponding to each Z0 . The storage humidity threshold R Z0 When the humidity range of (2) is used as the threshold, the humidity range is determined to be higher than the humidity threshold by a maximum value larger than the range, and is determined to be lower than the humidity threshold by a minimum value lower than the humidity range, so that the threshold is reached in the range.
In the set storage mode, the second humidity sensor monitors the storage humidity R in the storage chamber 3 N And the first fan is started in time to adjust the water vapor transmittance of the moisture permeable membrane 4 by increasing the air flow speed on the surface of the moisture permeable membrane 4, so that the humidity in the storage cavity 3 is effectively adjusted, and finally the humidity in the storage cavity 3 is kept constant (the humidity is kept within a set range). The humidity in the storage cavity monitored by the second humidity sensor is recorded as storage humidity R N 。
In this embodiment, the controller is configured to obtain the storage humidity R in the storage chamber after the storage device enters the storage mode N Rate of change of storage humidity alpha r The method comprises the steps of carrying out a first treatment on the surface of the The controller obtains the change rate of the storage humidity as the prior art, and is not described herein.
As shown in fig. 13, at α r1 ≤α r ＜α r2 And R is N ≥R Z1 When the controller controls the first fan to have the first power P 1 Run until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 The method comprises the steps of carrying out a first treatment on the surface of the Wherein alpha is r1 For the first humidity change rate threshold value, alpha r2 R is the second humidity change rate threshold Z0 For the storage humidity threshold in the storage mode, R Z1 Is a first humidity threshold; r is R Z0 ＜R Z1 。
As an embodiment, at α r2 ≤α r ＜α r3 And R is N ≥R Z2 When the controller controls the first fan to generate the second power P 2 Run until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 The method comprises the steps of carrying out a first treatment on the surface of the Wherein R is Z2 Is a second humidity threshold; r is R Z1 ＜R Z2 ，P 2 ＞P 1 。
As another embodiment, at α r3 ≤α r And R is N ≥R Z3 When the controller controls the first fan to generate third power P 3 The refrigerating unit is operated until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 The method comprises the steps of carrying out a first treatment on the surface of the Wherein R is Z3 For a third humidity threshold, R Z0 ＜R Z3 . Wherein R is Z0 ＜R Z1 ＜R Z2 ＜R Z3 ，P 1 ＜P 2 ≤P 3 。
As an implementation manner, the rated power of the first fan is denoted as P 0 ，P 1 ＜P 0 ＜P 2 The method comprises the steps of carrying out a first treatment on the surface of the Specifically, P 1 ＝50％P 0 ，P 2 ≤P 3 ＝100％P 0 Or P 2 ≤P 3 ＝120％P 0 . In the present embodiment, P 1 ＝50％P 0 ，P 2 ＝P 3 ＝100％P 0 Or P 2 ＝P 3 ＝120％P 0 。
Under the conditions of different humidity change rates and real-time humidity, the controller runs at different powers by the first fan, so that on one hand, the humidity can be quickly adjusted; on the other hand, the running power of the fan is reasonably controlled so as to reduce the energy consumption; furthermore, the first fan and the refrigerating unit are controlled to run simultaneously, so that the dehumidification efficiency is effectively improved. Under the humidity condition set above, the controller controls the first fan to run, quickens the air flow of the moisture permeable film near one side of the storage room (the outer side of the storage cavity), reduces the humidity value of the outer side of the sealed storage cavity (especially the moisture permeable film), forms larger humidity difference, prevents the efficiency of the moisture permeable film from being reduced or completely failing to ensure that the water vapor in the storage cavity cannot be discharged, improves the moisture permeability, further reduces the water vapor generated by food materials from gathering in the storage cavity to form condensation or frosting, avoids the food materials from being mildewed due to the condensation in the storage cavity, and can avoid the loss of water caused by the wind blowing of the food materials in the dehumidification process; in addition, the airflow in the storage room can be promotedAnd the internal cooling capacity of the cooling device is promoted to be uniform. And at alpha r3 ≤α r And R is N ≥R Z3 When (in this example, combine alpha r1 、α r2 The humidity change rate is in a state of rapid rise and the humidity value is high), the first fan and the refrigerating unit are operated simultaneously to increase the chemical potential difference (DeltaM=M) between the inner side and the outer side of the storage cavity 3 o -M i ＝R(T o lnp o -T i lnp i ) The self-migration rate of the water vapor in the storage cavity to the outside of the moisture permeable membrane is improved, the dehumidification efficiency is improved, and the humidity level is quickly reached; the humidity in the storage cavity is effectively ensured to be constant. In the present invention, α is r3 ≤α r And R is N ≥R Z3 Setting the time as the base setting and increasing the setting alpha according to the specific situation r1 ≤α r ＜α r2 And R is N ≥R Z1 And/or alpha r2 ≤α r ＜α r3 And R is N ≥R Z2 The humidity is controlled more accurately, and the energy consumption is effectively reduced.
As another implementation manner, as shown in fig. 14-15, a second fan is arranged in the storage cavity; at R N ≥R 2 When the second fan is started; wherein R is 2 For the second dehumidification threshold value, R 2 ＞R Z2 Or R is 2 ＞R Z3 . The instant storage cavity is medium humidity (R) 2 ＞R Z2 ) Or high humidity (R) 2 ＞R Z3 ) When the second fan is operated, the air flow flowing out of the air outlet of the second fan promotes the air in the storage cavity to flow on one hand so as to avoid condensation caused by overhigh humidity; on the other hand, the air flow flowing out of the second fan flows through the moisture permeable membrane to accelerate the water vapor transmission rate of the moisture permeable membrane so as to quickly dehumidify, and avoid condensation caused by overhigh humidity. The first fan and the second fan are matched (R 2 ≥R Z2 ) Or the first fan, the second fan and the refrigeration unit are matched (R 2 ≥R Z3 ) The humidity in the storage cavity can be quickened and regulated, and the food materials are prevented from mildewing.
In addition, at alpha r2 ≤α r ＜α r3 And R is N ≥R Z2 When or at alpha r3 ≤α r And R is N ≥R Z3 And when the second fan is in operation, the controller controls the second fan to operate. Specifically, at alpha r2 ≤α r ＜α r3 And R is N ≥R Z2 When the second humidity threshold R is preset Z2 =second dehumidification threshold value R 2 The method comprises the steps of carrying out a first treatment on the surface of the Alternatively, as shown in FIG. 16, a controller may be provided to control the first fan and the second fan to operate simultaneously until the storage humidity R in the storage chamber N Reaching the storage humidity threshold R Z0 . At this time, the first fan and the second fan cooperate to accelerate the adjustment of the humidity in the storage cavity, so that the food materials are prevented from being mildewed. At alpha r3 ≤α r And R is N ≥R Z3 When the third humidity threshold R is preset Z3 =second dehumidification threshold value R 2 The method comprises the steps of carrying out a first treatment on the surface of the As an alternative, as shown in fig. 17, a controller may be provided to control the first fan, the second fan, and the refrigerating unit to operate simultaneously until the storage humidity R in the storage chamber N Reaching the storage humidity threshold R Z0 . At this time, the first fan, the second fan and the refrigerating unit are matched to accelerate the adjustment of the humidity in the storage cavity, so that the food materials are prevented from being mildewed.
In the above embodiment, the storage mode is switched, at R N ＞R Z0 When the first fan is in operation, the controller controls the first fan to operate until the storage humidity R in the storage cavity N Storage humidity threshold R for reaching converted storage mode Z0 . Such as from a high wet gear to a medium wet gear or a low wet gear.
The controller obtains the continuous closing time t of the storage device, and the continuous closing time of the storage device reaches a set time threshold t 0 Then, the controller controls the first fan to operate according to the set humidity gear (default storage mode set by a program or storage mode set by a user) until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 。
The controller controls the first fan or the second fan to operate at specific power according to the humidity change rate and the storage humidity, controls the refrigerating unit to operate, comprehensively considers two factors of the humidity change rate and the real-time humidity to control the operation of the fans, and can rapidly adjust the humidity in the storage cavity on one hand, so that the humidity in the storage cavity is kept constant, and the fresh-keeping effect is effectively improved; on the other hand, the running power of the fan is controlled in a targeted manner so as to reduce the energy consumption.
As shown in fig. 13, one or more of the above-mentioned constant humidity fresh-keeping control methods of the refrigerator comprises:
s1: setting a storage mode, and setting a storage humidity threshold R corresponding to the storage mode Z0 When the storage humidity is lower than the storage humidity in the current mode, the first fan is started, the air flow flowing out of the first fan flows through the surface of the moisture permeable membrane, so that the water vapor transmittance of the moisture permeable membrane is effectively accelerated, and the humidity in the storage cavity 3 is rapidly reduced; the second humidity sensor monitors the humidity value in the storage cavity 3, and when the humidity R in the storage cavity is detected N Up to the set storage humidity threshold value R Z0 And when the first fan stops working.
S2: in the set storage mode, the second humidity sensor monitors the humidity value in the storage cavity 3 in real time to obtain the change rate alpha of the storage humidity in the storage cavity r Storage humidity R N According to the change rate alpha of the storage humidity r Storage humidity R N The first fan is controlled to timely adjust the humidity in the storage cavity 3, so that the humidity in the storage cavity 3 is kept constant.
Specifically, in this embodiment, three humidity change rate thresholds and three humidity thresholds are set in each storage mode, specifically: first humidity change rate threshold alpha r1 Second humidity change rate threshold value alpha r2 A third humidity change rate threshold alpha r3 First humidity threshold R Z1 Second humidity threshold R Z2 Third humidity threshold R Z3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the first humidity change rate threshold value alpha r1 < second humidity rate of change threshold alpha r2 < third humidity Change Rate threshold alpha r3 The method comprises the steps of carrying out a first treatment on the surface of the Storage humidity threshold R Z0 < first humidity threshold R Z1 < second humidity threshold R Z2 < third humidity threshold R Z3 。
S21: during the process of storing in the set storage modeAt a first humidity change rate threshold value alpha r1 The change rate alpha of the storage humidity is less than or equal to r < second humidity rate of change threshold alpha r2 And the storage humidity R N Not less than a first humidity threshold R Z1 When the first fan is started, the first fan is started at the first power P 1 Run until the storage humidity R in the storage cavity 3 N Reaching the storage humidity threshold R Z0 The first fan stops working.
As an implementation manner, the rated power of the first fan is denoted as P 0 ，P 1 ＝50％P 0 。
S22: during the storage in the set storage mode, at the second humidity change rate threshold value alpha r2 The change rate alpha of the storage humidity is less than or equal to r < third humidity Change Rate threshold alpha r2 And the storage humidity R N Not less than the second humidity threshold R Z2 When the first fan is started, the first fan is started at the second power P 2 Run until the storage humidity R in the storage cavity 3 N Reaching the storage humidity threshold R Z0 The first fan stops working. As an embodiment, P 2 ＝100％P 0 Or P 2 ＝120％P 0 To quickly complete humidity adjustment.
S23: in the process of storing in the set storage mode, the third humidity change rate threshold value alpha r3 The change rate alpha of the storage humidity is less than or equal to r And the storage humidity R N Not less than a third humidity threshold R Z3 When the first fan is started, the first fan is started at the second power P 3 At the same time, the refrigerating unit is operated (the air supply fan and the evaporator are operated) until the storage humidity R in the storage cavity 3 N Reaching the storage humidity threshold R Z0 The first fan and the refrigerating unit (the air supply fan and the evaporator) stop working. As an embodiment, P 3 ＝P 2 To quickly complete humidity adjustment.
As another embodiment, as shown in fig. 14, a first dehumidification threshold value R is preset 1 A first humidity threshold R is less than or equal to Z1 < second humidity threshold R Z2 < second dehumidification threshold value R 2 The method comprises the steps of carrying out a first treatment on the surface of the In the stepAfter S22, step S3 is added; the specific step S3 is as follows: at a storage humidity R N Not less than a second dehumidification threshold value R 2 Starting the second fan when the humidity threshold value for starting the second fan is controlled; at this time, the first fan and the second fan work simultaneously to dehumidify at high speed, and rapidly adjust the humidity in the storage cavity 3 to the storage humidity threshold R in the storage mode Z0 . Wherein the second dehumidification threshold value R 2 Not less than the second humidity threshold R Z2 ；
As another embodiment, as shown in fig. 15, a third humidity threshold R is preset Z3 A second dehumidification threshold value R is less than or equal to 2 The method comprises the steps of carrying out a first treatment on the surface of the After step S23, step S3 is added; the specific step S3 is as follows: at a storage humidity R N Not less than a second dehumidification threshold value R 2 Starting the second fan when the humidity threshold value for starting the second fan is controlled; at this time, the first fan, the second fan, the air supply fan and the evaporator work simultaneously to dehumidify at a high speed, and rapidly adjust the humidity in the storage cavity 3 to the storage humidity threshold value R in the storage mode Z0 。
As another embodiment, as shown in fig. 16, a second humidity threshold R is preset Z2 =second dehumidification threshold value R 2 The method comprises the steps of carrying out a first treatment on the surface of the An alternative to step S22 is: at a second humidity change rate threshold value alpha r2 The change rate alpha of the storage humidity is less than or equal to r < third humidity Change Rate threshold alpha r3 And the storage humidity R N Not less than the second humidity threshold R Z2 When the storage humidity R in the storage cavity is reached, the controller controls the second fan to operate, and the first fan and the second fan work simultaneously until the storage humidity R in the storage cavity is reached N Reaching the storage humidity threshold R Z0 . When this operation is performed, step S3 is not set any more.
As another embodiment, as shown in fig. 17, a third humidity threshold R is preset Z3 =second dehumidification threshold value R 2 The method comprises the steps of carrying out a first treatment on the surface of the An alternative to step S23 is: at a third humidity change rate threshold value alpha r3 The change rate alpha of the storage humidity is less than or equal to r And the storage humidity R N Not less than a third humidity threshold R Z3 When the air conditioner is in operation, the controller controls the second fan to operate, and the first fan, the second fan and the refrigerating unitThe elements work simultaneously until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 . When this operation is performed, step S3 is not set any more.
In the storage mode, the first fan and the second fan are controlled to operate at specific power according to the humidity change rate and the storage humidity, and the operation of the fan and the refrigerating unit is controlled by comprehensively considering the humidity change rate and the real-time humidity, so that on one hand, the humidity in the storage cavity can be quickly adjusted, the humidity in the storage cavity is kept constant, and the fresh-keeping effect is effectively improved; on the other hand, the running power of the fan is controlled in a targeted manner so as to reduce the energy consumption.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. Refrigerator, characterized in that it comprises:
a case defining a storage compartment;
a storage device accommodated in the storage room; the storage device defines a sealed storage cavity, and a communication port is formed on one side wall of the storage device;
the moisture-permeable membrane is arranged at the communication port of the storage device;
the first fan is arranged on the side wall of the storage device, which is provided with the moisture permeable film, and is positioned on one side of the side wall, which is close to the storage room; the air outlet of the first fan faces the moisture permeable membrane, and the air flow flowing out from the air outlet of the first fan flows along the surface of the moisture permeable membrane;
a cooling unit having a second air supply port corresponding to the position of the moisture permeable film; the low-temperature air flow formed by the refrigerating unit enters the storage room through the second air supply opening and flows through the moisture permeable membrane.
2. The refrigerator of claim 1, wherein: a second humidity sensor for detecting the humidity in the storage cavity is arranged in the storage cavity; the refrigerator includes a controller configured to acquire a storage humidity R within the storage cavity after the storage device enters a storage mode N Rate of change of storage humidity alpha r ；
At alpha r3 ≤α r And R is N ≥R Z3 When the controller controls the first fan to have the third power P 3 The refrigerating unit operates until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 ；
Wherein alpha is r3 R is a third humidity change rate threshold Z3 For a third humidity threshold, R Z0 For the storage humidity threshold in the storage mode, R Z0 ＜R Z3 。
3. The refrigerator of claim 2, wherein: at alpha r2 ≤α r ＜α r3 And R is N ≥R Z2 When the controller controls the first fan to generate the second power P 2 Running until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 ；
Wherein alpha is r2 R is the second humidity change rate threshold Z2 Is a second humidity threshold; r is R Z2 ＜R Z3 ，P 2 ≤P 3 。
4. The refrigerator of claim 2, wherein: at alpha r1 ≤α r ＜α r2 And R is N ≥R Z1 When the controller controls the first fan to have a first power P 1 Running until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 ；
Wherein alpha is r1 R is the first humidity change rate threshold value Z1 Is a first humidity threshold; r is R Z0 ＜R Z1 ＜R Z2 ，P 1 ＜P 2 。
5. The refrigerator of claim 3, wherein: the rated power of the first fan is recorded as P 0 ，P 1 ＜P 0 ＜P 2 ≤P 3 。
6. The refrigerator of claim 5, wherein: p (P) 1 ＝50％P 0 ，P 2 ≤P 3 ＝100％P 0 Or P 2 ≤P 3 ＝120％P 0 。
7. The refrigerator according to any one of claims 2 to 6, wherein: a second fan is arranged in the storage cavity;
at R N ≥R 2 When the second fan is in operation, the controller controls the second fan to work; wherein R is 2 For the second dehumidification threshold value, R 2 ＞R Z2 Or R is 2 ＞R Z3 。
8. The refrigerator of claim 2, wherein: a second fan is arranged in the storage cavity; at alpha r2 ≤α r ＜α r3 And R is N ≥R Z2 When or at alpha r3 ≤α r And R is N ≥R Z3 And when the second fan works, the controller controls the second fan to work.
9. The refrigerator according to any one of claims 2 to 6, wherein: the refrigerator is provided with a plurality of storage modes; storage mode switching, at R N ＞R Z0 When the first fan is in operation, the controller controls the first fan to operate until the storage humidity R in the storage cavity N Storage humidity threshold R for reaching converted storage mode Z0 。
10. The refrigerator according to any one of claims 2 to 6, wherein: the controller obtains the continuous closing time t of the storage device, and when the continuous closing time of the storage device reaches a set time threshold t 0 Then, the controller operates the first fan according to the set humidity gear until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 。
CN202111260575.3A 2021-10-28 2021-10-28 Refrigerator with a refrigerator body Pending CN116045582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111260575.3A CN116045582A (en) 2021-10-28 2021-10-28 Refrigerator with a refrigerator body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111260575.3A CN116045582A (en) 2021-10-28 2021-10-28 Refrigerator with a refrigerator body

Publications (1)

Publication Number Publication Date
CN116045582A true CN116045582A (en) 2023-05-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111260575.3A Pending CN116045582A (en) 2021-10-28 2021-10-28 Refrigerator with a refrigerator body

Country Status (1)

Country Link
CN (1) CN116045582A (en)

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