CN116045574A - Refrigerator with a refrigerator body - Google Patents
Refrigerator with a refrigerator body Download PDFInfo
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- CN116045574A CN116045574A CN202111260529.3A CN202111260529A CN116045574A CN 116045574 A CN116045574 A CN 116045574A CN 202111260529 A CN202111260529 A CN 202111260529A CN 116045574 A CN116045574 A CN 116045574A
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- storage
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- humidifying
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
- 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
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a refrigerator, comprising: the box body, the storage device and the humidifying device; the storage device is provided with a moisture-permeable membrane, the side wall of the storage device, which is provided with the moisture-permeable membrane, is provided with a first fan, the first fan is positioned at one side close to the storage room, and the air flow flowing out from the air outlet of the first fan flows along the surface of the moisture-permeable membrane; the humidifying device is arranged in the storage cavity and divides the storage cavity into a first cavity for placing food materials and a second cavity defined by the humidifying device; the first cavity is communicated with the second cavity through an opening; the humidifying device comprises a water storage box, a water guide disc, a water absorption film and a humidifying fan, wherein the water storage box, the water guide disc, the water absorption film and the humidifying fan are arranged in the second cavity; the air flow flowing out from the air outlet of the humidifying fan flows along the surface of the moisture permeable film; on one hand, the invention efficiently and rapidly dehumidifies, avoids losing moisture caused by wind blowing of food due to dehumidification, and avoids mildew of food; on the other hand, the humidity can be increased through the humidifying device, so that the overall moisturizing and fresh-keeping effects of the refrigerator are effectively improved.
Description
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 flow flowing out from the air outlet of the first fan flows along the surface of the moisture permeable film;
the humidifying device is arranged in the storage cavity; the humidifying device divides the storage cavity into a first cavity for placing food materials and a second cavity defined by the humidifying device; the first cavity is communicated with the second cavity through an opening; the humidifying device includes:
the water storage box is arranged in the second cavity;
the water guide disc is matched with the water storage box and used for containing water flowing out of the water storage box;
the water absorption film is arranged in the water guide disc and is arranged at the opening;
the humidifying fan is arranged in the second cavity, and air flow flowing out from an air outlet of the humidifying fan flows along the surface of the moisture permeable film.
As an implementation mode, a second humidity sensor for detecting the humidity in the storage cavity and a plurality of cameras for shooting the images of the storage cavity from different angles are arranged in the storage cavity;
the refrigerator comprises a controller configured to acquire food material space ratio gamma and storage humidity R in the storage cavity after the storage device enters a storage mode N Rate of change of storage humidity alpha r ；
At gamma < gamma 0 And R is N ＜R Z0 When the humidifying fan is in operation, the controller controls the humidifying fan to work; the water absorption film absorbs water, and under the action of the humidifying fan, water vapor is separated from the water absorption film and enters the first cavity through the opening;
in the gamma is more than or equal to gamma 0 When the dehumidification program is started, the controller controls the dehumidification program to be started; wherein, gamma 0 Is a food material duty cycle threshold.
As an embodiment, the dehumidification process includes:
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 Operating;
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, the dehumidification process includes: at alpha r2 ≤α r And R is N ≥R Z2 When the controller controls the first fan to have the second powerP 2 Running until the storage humidity R in the storage cavity N Reaching the storage humidity threshold R Z0 ；
Wherein R is Z2 Is a second humidity threshold; r is R Z1 ＜R Z2 ，P 2 ＞P 1 。
As an implementation manner, the rated power of the first fan is denoted as P 0 ，P 1 ＜P 0 ＜P 2 。
As an embodiment, P 1 ＝50％P 0 ，P 2 ＝100％P 0 Or P 2 ＝120％P 0 。
As an implementation mode, a second fan is arranged in the storage cavity; the dehumidification process includes:
at R N ≥R 2 When the second fan is started, the first fan and the second fan work simultaneously; wherein R is 2 For the second dehumidification threshold value, R 2 ＞R Z2 。
As an implementation mode, a second fan is arranged in the storage cavity; the dehumidification process includes: at alpha r2 ≤α r And R is N ≥R Z2 When 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 。
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 controller; 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 humidifying device is arranged in the storage cavity; the humidifying device divides the storage cavity into a first cavity for placing food materials and a second cavity defined by the humidifying device; the humidifying device comprises a water storage box, a water guide disc, a water absorption film and a humidifying fan, wherein the water storage box, the water guide disc, the water absorption film and the humidifying fan are arranged in the second cavity; the air flow flowing out from the air outlet of the humidifying fan flows along the surface of the moisture permeable film; 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; in addition, the invention increases the humidity through the humidifying device, thereby effectively improving the integral moisturizing and fresh-keeping effects of the refrigerator.
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 schematic structural view of an assembly of a storage device and a humidifying device of the refrigerator according to the present invention;
fig. 10 is a schematic view showing another view angle structure of the assembly of the storage device and the humidifying device of the refrigerator according to the present invention;
fig. 11 is a schematic view of a structure of a refrigerator according to the present invention in an opened state of a storage device;
fig. 12 is a schematic structural view of a humidifying device of the refrigerator 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 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 partition plate 30; a first chamber 31; a second chamber 32; absorbent cotton 33; a water storage box 34; a water guide tray 35; a humidifying blower 36; an air flow passage 37; an opening 38.
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. The humidity in the storage cavity 3 is higher than that in the storage room1 reaches a first dehumidification threshold value R 1 When the moisture permeable membrane 4 is in use, 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 dehumidification threshold value R of humidity 1 The humidity is set according to the suitable storage of the stored food materials. 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. In the embodiment, a high humidity gear, a medium humidity gear and a low humidity gear are set on the operation panel; each set humidity gear corresponds to a set storage humidity threshold R Z0 . It should be noted that the above threshold may be set to a specific value or may be set to a specific humidity range. Specifically, in the present embodiment, the humidity threshold R Z0 Setting a specific humidity range; the intersection of the humidity ranges corresponding to different humidity gears is an empty set; the humidity range corresponding to the high-humidity gear is [90%,98%]The high-humidity gear is suitable for storing leafy vegetables, flowers and vegetables, fungi, vegetables, beans, stony fruits, kernel fruits and berries; the humidity range corresponding to the medium-humidity gear is 80 percent and 90 percent, 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%) The low-humidity gear is used for storing root vegetables such as onion and garlic, 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 an 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 is 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 the second dehumidification threshold value R 2 When (wherein, the second dehumidification threshold value R 2 > first dehumidification threshold value R 1 ) The humidity in the storage cavity 3 is higher, and at the moment, the first fan 5 and the second fan 6 run 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. Second dehumidification threshold value R 2 The humidity is set according to the mildew of the stored food.
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]. With rationally set up first fan 5, second fan 6 and drenching membrane 4 on storing device 2's lateral wall, ensure simultaneously that drenching membrane 4's area satisfies the demand when humidity control.
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 above arrangement can reasonably layout the moisture permeable membrane 4 and the fan by limiting the size of the fan and the size of the moisture permeable membrane 4, and ensure that the air flow flowing out from the air outlet of the first fan 5 or/and the second fan 6 has comprehensive and effective coverage rate, thereby further improving the overall water vapor transmission rate of the moisture permeable membrane 4.
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. 9-12, a humidifying device is arranged in the drawer; in the embodiment, the humidifying device is arranged at the front end of the drawer; specifically, the drawer cavity is divided into a first cavity 31 for placing articles and a second cavity 32 defined by the humidifying device; wherein the first chamber 31 and the second chamber 32 are separated by a partition plate 30. In this embodiment, the second chamber 32 is located on the front side of the first chamber 31.
The humidifying device comprises a water storage box 34, and the water storage box 34 is arranged in the second cavity 32; the partition plate 30 is provided with an opening 38 for communicating the first cavity 31 and the second cavity 32, and absorbent cotton 33 is arranged at a position corresponding to the opening 38; the water storage box 34 is connected with a water guide disc 35, and the absorbent cotton 33 is positioned in the water guide disc 35. The water storage box 34 is provided with a control valve to control the amount of water in the water storage box 34 flowing into the water guide tray 35.
Wherein, the position of the water storage box 34 corresponds to the position of the absorbent cotton 33, and the air flow channel 37 is defined by the water storage box 34 and the absorbent cotton 33 together.
A humidifying fan 36 is arranged in the second cavity 32, and an air outlet of the humidifying fan 36 is communicated with an air flow channel 37; when the humidifying blower 36 works, the air flow flowing out of the humidifying blower 36 enters the air flow channel 37 to accelerate the air flow on the surface of the absorbent cotton 33, so that the water vapor adsorbed by the absorbent cotton 33 is promoted to be separated from the absorbent cotton 33. The food materials in the storage cavity 3 have small quantity, and the moisture of the food materials can be released to the periphery of the storage cavity. At this time, water loss of the food material may be caused; the humidifying device can timely increase humidity in the storage cavity and improve the fresh-keeping effect of food materials. Specifically, active humidification is performed when the number of food materials in the storage cavity 3 is small. When the water guide plate 35 is actively humidified, the control valve is opened so that enough water exists in the water guide plate 35, the water absorbing cotton 33 absorbs water, the humidifying fan 36 accelerates the airflow on the surface of the water absorbing cotton 33 to flow, the water vapor adsorbed on the water absorbing cotton 33 is quickly separated from the water absorbing cotton 33 in a large amount, and then enters the first cavity 31 through the opening 38, so that the air humidity in the first cavity 31 is increased, and the freshness of food materials is effectively ensured.
Specifically, in this embodiment, the air outlet of the humidifying blower 36 is adjacent to the absorbent cotton 33, and the air flow flowing out from the air outlet of the humidifying blower 36 flows along the surface of the absorbent cotton; the arrangement speeds up the airflow on the surface of the absorbent cotton 33 on the one hand, and effectively promotes the water vapor to be separated from the absorbent cotton 33; on the other hand, excessive air flow into the first chamber 31 is avoided, thereby avoiding air drying of the food material.
In this embodiment, the humidifying device includes a case defining a second chamber 32, a rear wall of the case forming a partition plate 30 separating the first chamber 31 and the second chamber 32, and an opening 38 formed therein. The water storage box 34, the water guide disc 35, the absorbent cotton 33 and the humidifying fan 36 are all arranged in the box body. The humidifying device is independent into a module, so that the humidifying device is convenient to install and detach.
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 modesFormula for purposefully adjusting the humidity in the storage cavity 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 to a high humidity storage mode, the medium humidity gear corresponds to a medium humidity storage mode, and the low humidity gear corresponds to a 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 the invention, a plurality of cameras are arranged in the object placing cavity 3, and the cameras shoot images of the object placing cavity from different angles; in this embodiment, the controller is configured to obtain the food space ratio γ and the storage humidity R in the storage cavity 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 Wherein, the controller obtains the food material space occupation ratio gamma and the storage humidity change rate alpha r In the prior art, the description is omitted here. As an embodiment, the setting of the controller to obtain the food space ratio γ may be set as follows; the controller comprises an acquisition module, a matching module and a meterThe calculation module is used for acquiring images of the object placing cavities shot by the cameras from different angles, and pairing the images two by two to obtain a plurality of pairs of images; the extraction module is coupled with the acquisition module and is used for extracting a plurality of characteristic points of each image; the matching module is coupled with the extracting module and is used for respectively matching each characteristic point of one image with all characteristic points of the other image in the same pair of images to obtain a matched characteristic point pair; the calculating module is coupled with the matching module and is used for calculating the duty ratio of the object in the object space by using the matched characteristic point pairs. According to the invention, the plurality of cameras are arranged, the images of the food materials in the storage cavity are shot from different angles through the cameras, so that the images of the articles at different angles are obtained, the characteristic points are matched in pairs according to the images at different angles, the precision of the measurement result is improved, the space position information of the food materials can be accurately positioned, the occupation ratio of the food materials in the storage cavity is estimated according to the matched characteristic points, the measurement result with high precision is obtained, and the images of the articles shot at different angles are prevented from generating visual blind areas, so that the final measurement result is more accurate.
As shown in FIG. 13, where γ < γ 0 And R is N ＜R Z0 When the humidifying fan is in operation, the controller controls the humidifying fan to work; the water absorption film absorbs water, and under the action of the humidifying fan, the water vapor breaks away from the water absorption film and enters the first cavity through the opening; when the space occupation ratio of the food materials in the storage cavity is larger than the set food material occupation ratio threshold, the water of the food materials can be released to the periphery of the storage cavity due to the small quantity of the food materials. At this time, water loss of the food material may be caused; the humidifying device can timely increase humidity in the storage cavity and improve the fresh-keeping effect of food materials.
In the gamma is more than or equal to gamma 0 When the dehumidification program is started, the controller controls the dehumidification program to be started; wherein, gamma 0 Is a food material duty cycle threshold. When the space occupation ratio of the food materials in the storage cavity is larger than the set food material occupation ratio threshold, the humidity in the storage cavity is easily changed due to the large influence of the large quantity of the food materials on the humidity in the storage cavity, so that the constant humidity state is damaged; the invention sets the dehumidification program to timely adjust the dehumidification program so as to maintain the humidity of the storage cavity in a constant state.
The dehumidification process includes:
at alpha 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 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 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, in this embodiment, P 1 ＝50％P 0 ，P 2 ＝100％P 0 Or P 2 ＝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. In addition, under the humidity condition, the controller only controls the first fan to run, accelerates 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 a 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 concentration of the water vapor generated by food materials 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 simultaneously can avoid the loss of the water content due to the wind blowing of the food materials in the dehumidification process; in addition, the airflow in the storage room can be promoted to flow, and the homogenization of the internal cooling capacity can be promoted.
As another alternative, as shown in FIG. 14, at R N ≥R 2 When the first fan and the second fan are started, the first fan and the second fan work simultaneously; wherein R is 2 For the second dehumidification threshold value, R 2 ＞R Z2 . Namely, when the storage cavity is high in humidity, the first fan and the second fan operate simultaneously, and air flow flowing out of the air outlet of the second fan promotes air flow in the storage cavity 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 to accelerate the adjustment of the humidity in the storage cavity, so that the food materials are prevented from being mildewed.
In addition, at alpha r2 ≤α r 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. 15, 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.
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 。
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 with specific power according to the humidity change rate and the storage humidity, comprehensively considers two factors of the humidity change rate and the real-time humidity to control the operation of the fans, and can quickly 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 The method comprises the steps of carrying out a first treatment on the surface of the A plurality of cameras take pictures of the object cavity to obtain the space occupation ratio gamma of the food materials; the controller starts a dehumidification program according to the food material space occupation ratio gamma; and 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, a food material duty ratio threshold, two humidity change rate thresholds, and two humidity thresholds are set in each storage mode, specifically: food material duty cycle threshold gamma 0 First humidity change rate threshold alpha r1 Second humidity change rate threshold value alpha r2 First humidity threshold R Z1 Second humidity threshold R Z2 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 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 < secondHumidity threshold R Z2 。
S21: in the course of storage under the set storage mode, in the course of gamma < gamma 0 And R is N ＜R Z0 When the humidifying device is in operation, the controller controls the humidifying device to work; specifically, the controller controls the humidifying fan to work; the water absorption film absorbs water, and under the action of the humidifying fan, the water vapor breaks away from the water absorption film and enters the first cavity through the opening;
s22: in the process of storing in a set storage mode, the gamma is not less than gamma 0 When the dehumidification program is started, the controller controls the dehumidification program to be started; specifically, the dehumidification process includes:
s23: at 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 。
S24: 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 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.
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 dehumidification process, after step S24, 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 When the second fan is started (the humidity threshold value for controlling the starting of the second fan), the first fan and the second fan work simultaneously to dehumidify at high speed, and the humidity in the storage cavity 3 is quickly adjusted to the storage humidity threshold value 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 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 S24 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 And the storage humidity R N Not less than the second humidity threshold R Z2 When the first fan and the second fan are arranged to 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 or the second fan is controlled to operate at specific power according to the humidity change rate and the storage humidity, and the operation of the fans 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 regulated, 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. In addition, the invention starts the dehumidification program when the space ratio of the food materials reaches the set value, and can pointedly and effectively control the influence of the food materials on the humidity so as to maintain the constant humidity state of the storage cavity.
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 flow flowing out from the air outlet of the first fan flows along the surface of the moisture permeable film;
the humidifying device is arranged in the storage cavity; the humidifying device divides the storage cavity into a first cavity for placing food materials and a second cavity defined by the humidifying device; the first cavity is communicated with the second cavity through an opening; the humidifying device includes:
the water storage box is arranged in the second cavity;
the water guide disc is matched with the water storage box and used for containing water flowing out of the water storage box;
the water absorption film is arranged in the water guide disc and is arranged at the opening;
the humidifying fan is arranged in the second cavity, and air flow flowing out from an air outlet of the humidifying fan flows along the surface of the moisture permeable film.
2. The refrigerator of claim 1, wherein: the object placing cavity is internally provided with a second humidity sensor for detecting the humidity in the object placing cavity and a plurality of cameras for shooting images of the object placing cavity from different angles;
the refrigerator comprises a controller configured to acquire food material space ratio gamma and storage humidity R in the storage cavity after the storage device enters a storage mode N Rate of change of storage humidity alpha r ；
At gamma < gamma 0 And R is N ＜R Z0 When the controller controlsThe humidifying fan is made to work; the water absorption film absorbs water, and under the action of the humidifying fan, water vapor is separated from the water absorption film and enters the first cavity through the opening;
in the gamma is more than or equal to gamma 0 When the dehumidification program is started, the controller controls the dehumidification program to be started; wherein, gamma 0 Is a food material duty cycle threshold.
3. The refrigerator of claim 2, wherein:
the dehumidification process includes:
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 Operating;
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 。
4. The refrigerator of claim 3, wherein: the dehumidification process includes: at alpha r2 ≤α r 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 R is Z2 Is a second humidity threshold; r is R Z1 ＜R Z2 ，P 2 ＞P 1 。
5. The refrigerator of claim 4, wherein: the rated power of the first fan is recorded as P 0 ，P 1 ＜P 0 ＜P 2 。
6. The refrigerator of claim 5, wherein: p (P) 1 ＝50％P 0 ，P 2 ＝100％P 0 Or P 2 ＝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; the dehumidification process includes:
at R N ≥R 2 When the second fan is started, the first fan and the second fan work simultaneously; wherein R is 2 For the second dehumidification threshold value, R 2 ＞R Z2 。
8. The refrigerator according to any one of claims 2 to 3, wherein: a second fan is arranged in the storage cavity; the dehumidification process includes: at alpha r2 ≤α r And R is N ≥R Z2 When 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 。
9. The refrigerator according to any one of claims 1 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 1 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 。
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| CN202111260529.3A CN116045574A (en) | 2021-10-28 | 2021-10-28 | Refrigerator with a refrigerator body |
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| CN202111260529.3A CN116045574A (en) | 2021-10-28 | 2021-10-28 | Refrigerator with a refrigerator body |
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| CN116045574A true CN116045574A (en) | 2023-05-02 |
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| Country | Link |
|---|---|
| CN (1) | CN116045574A (en) |
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2021
- 2021-10-28 CN CN202111260529.3A patent/CN116045574A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 8 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province Applicant after: Hisense refrigerator Co.,Ltd. Address before: No. 8 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province Applicant before: HISENSE (SHANDONG) REFRIGERATOR Co.,Ltd. Country or region before: China |
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| CB02 | Change of applicant information |