CN116518639A

CN116518639A - Control method and device of refrigerator, storage medium and refrigerator

Info

Publication number: CN116518639A
Application number: CN202310781350.5A
Authority: CN
Inventors: 周月飞; 汪涛; 张飞
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-08-01
Anticipated expiration: 2043-06-29
Also published as: CN116518639B

Abstract

The invention provides a control method and a device of a refrigerator, a storage medium and the refrigerator, wherein a refrigerating chamber of the refrigerator is provided with a dry storage area and a fruit and vegetable area, and a dehumidifying device is further arranged, so that moist air can flow among the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber by controlling the dehumidifying device; the method comprises the following steps: respectively acquiring a first temperature value and a first humidity value of a dry storage area, and a second temperature value and a second humidity value of a fruit and vegetable area; judging whether the first temperature value is smaller than the second temperature value or not, and judging whether the first humidity value is smaller than the second humidity value or not; if the first temperature value is not smaller than the second temperature value and/or the first humidity value is not smaller than the second humidity value, controlling the dehumidifying device to work according to the first temperature value and the first humidity value; if the first temperature value is less than the second temperature value and the first humidity value is less than the second humidity value, controlling the dehumidifying device to work according to the second temperature value and the second humidity value. The scheme of the invention can reasonably regulate and control the humidity required by the dry storage area and the fruit and vegetable area.

Description

Control method and device of refrigerator, storage medium and refrigerator

Technical Field

The present invention relates to the field of control, and in particular, to a method and apparatus for controlling a refrigerator, a storage medium, and a refrigerator.

Background

The key point of the use of refrigerators by more and more users in the current home appliance refrigerator market is that food materials tend to be preserved, such as a refrigerator refrigerating compartment is provided with a fruit and vegetable preservation area and a dry goods preservation area. The volume requirements of the functional interstage chambers are not large, and the storage requirements of consumers can be met, so that the two purposes are achieved. However, cold air in the freezing chamber is blown into the air duct through the electric air door at the bottom of the refrigeration fan cover, and the surface of the air duct is designed with an air outlet structure, and if the design position of the air outlet is close to or opposite to the two subareas, the temperature and the humidity of the subareas have fluctuation amplitude. Therefore, the related art has the problem that the temperature and humidity of two subareas are damaged to be greatly fluctuated due to the change of the circulating structure of the air duct; in addition, the problem that the internal relative humidity is rapidly increased and the recovery is slow due to the influence of the external temperature and humidity on the food accessing materials in the airtight dry storage area is solved.

Disclosure of Invention

The invention aims to overcome the defects of the related art, and provides a control method and device of a refrigerator, a storage medium and the refrigerator, so as to solve the problem that the temperature and the humidity of two partitions are damaged to be greatly fluctuated due to the change of an air duct circulation structure in the related art.

The invention provides a control method of a refrigerator, wherein a refrigerating chamber of the refrigerator is provided with a dry storage area and a fruit and vegetable area, and a dehumidifying device is arranged in the refrigerating chamber of the refrigerator and is respectively communicated with the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber; enabling humid air to flow between the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber by controlling the dehumidifying device; the control method; the control method comprises the following steps: respectively acquiring a first temperature value and a first humidity value of a dry storage area of the refrigerator and a second temperature value and a second humidity value of a fruit and vegetable area of the refrigerator; judging whether the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and whether the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area; if the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area; if the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the second temperature value and the second humidity value of the fruit and vegetable area.

Optionally, if it is determined that the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area, and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area, controlling the dehumidifier to work according to the first temperature value and the first humidity value of the dry storage area, including: judging whether the first temperature value of the dry storage area is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value; if the first temperature value is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value, judging whether the first humidity value of the dry storage area is larger than or equal to the first humidity threshold value and smaller than or equal to the second humidity threshold value; if the first humidity value is judged to be smaller than a first humidity threshold or larger than a second humidity threshold, controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement; and/or if the first temperature value of the dry storage area is less than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is less than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the second temperature value of the fruit and vegetable area and the second humidity value, including:

Judging whether the second temperature value is larger than or equal to a third temperature threshold value and smaller than or equal to a fourth temperature threshold value; if the second temperature value is larger than or equal to the third temperature threshold value and smaller than or equal to the fourth temperature threshold value, judging whether the second humidity value is larger than or equal to the third humidity threshold value and smaller than or equal to the fourth humidity threshold value; if the second humidity value is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator keeps normal operation, and the dehumidification device does not work; if the second humidity value is less than the third humidity threshold value, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, and working for a fourth preset time period.

Optionally, the dry storage area is provided with a second air vent communicated with the air duct of the refrigerating chamber; the control method further comprises the following steps: before controlling the dehumidifying device to work according to a first temperature value and a first humidity value of the dry storage area, if the first temperature value is not smaller than the second temperature value and/or the first humidity value is not smaller than the second humidity value, controlling the second ventilation opening to be opened for a first preset time period; after the second ventilation opening is controlled to be opened for a first preset time period, judging whether the first temperature value of the dry storage area is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value; if the first temperature value is larger than the second temperature threshold value, continuing to keep the second air vent open until the first temperature value is larger than or equal to the first temperature threshold value and smaller than or equal to the second temperature threshold value; and/or, the fruit and vegetable area is provided with a first ventilation opening communicated with the air duct of the refrigerating chamber, and the control method further comprises the following steps: if the second temperature value is larger than a fourth temperature threshold value, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period; and/or, if the second temperature value is greater than or equal to the third temperature threshold and less than or equal to the fourth temperature threshold, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

Optionally, the method further comprises: after the dehumidification device is controlled to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, whether the second humidity value of the fruit and vegetable area is larger than or equal to a third humidity threshold value and smaller than or equal to a fourth humidity threshold value is further judged after the fourth preset period of operation; when the second humidity value is judged to be larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator operates normally, and the dehumidifying device is controlled to stop working; and if the second humidity value is larger than a fourth humidity threshold value, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

Optionally, the method further comprises: after the first ventilation opening is controlled to be opened for a fifth preset time period, further judging whether the second temperature value is larger than or equal to a third temperature threshold value and smaller than or equal to a fourth temperature threshold value; when the second temperature value is judged to be greater than or equal to a third temperature threshold value and less than or equal to a fourth temperature threshold value, the first ventilation opening is controlled to be closed; after the first ventilation opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working.

Optionally, controlling the dehumidifier to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement, including: if the second humidity value of the fruit and vegetable area does not meet the preset saturated humidity requirement, controlling the dehumidifying device to extract wet air from a dry storage area and send the wet air into the fruit and vegetable area, and working for a second preset time period; and if the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the dry storage area, and working for a third preset time period.

Optionally, if the second humidity value of the fruit and vegetable area does not meet the preset saturated humidity requirement, after controlling the dehumidifying device to draw the humid air from the dry storage area to send the humid air into the fruit and vegetable area, further judging whether the second humidity value of the fruit and vegetable area is greater than or equal to a third humidity threshold and less than or equal to a fourth humidity threshold after working for a second preset period of time; if the second humidity value is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator operates normally, and the dehumidifying device is controlled to stop working; if the second humidity value is less than the third humidity threshold value, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, and working for a fourth preset time period; and/or if the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement, after the dehumidification device is controlled to extract wet air from other areas of the refrigerating chamber and send the wet air into the dry storage area, whether the first humidity value of the dry storage area is larger than or equal to a first humidity threshold value and smaller than or equal to a second humidity threshold value is further judged after a third preset period of operation; if the first humidity value is smaller than the first humidity threshold or larger than the second humidity threshold, controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement.

The invention further provides a control device, wherein the refrigerating chamber of the refrigerator is provided with a dry storage area and a fruit and vegetable area, and a dehumidifying device is arranged in the refrigerating chamber of the refrigerator and is respectively communicated with the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber; enabling humid air to flow between the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber by controlling the dehumidifying device; the control method; the control device includes: the acquisition unit is used for respectively acquiring a first temperature value and a first humidity value of a dry storage area of the refrigerator and a second temperature value and a second humidity value of a fruit and vegetable area of the refrigerator; the judging unit is used for judging whether the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and whether the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area; the control unit is used for controlling the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area if the judging unit judges that the first temperature value of the dry storage area is not smaller than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not smaller than the second humidity value of the fruit and vegetable area; and if the judging unit judges that the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the second temperature value and the second humidity value of the fruit and vegetable area.

Optionally, if the judging unit judges that the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area, and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area, the control unit controls the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area, including: judging whether the first temperature value of the dry storage area is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value; if the first temperature value is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value, judging whether the first humidity value of the dry storage area is larger than or equal to the first humidity threshold value and smaller than or equal to the second humidity threshold value; if the first humidity value is judged to be smaller than a first humidity threshold or larger than a second humidity threshold, controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement; and/or, if the judging unit judges that the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area, and the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area, the control unit controls the dehumidifying device to work according to the second temperature value and the second humidity value of the fruit and vegetable area, including: judging whether the second temperature value is larger than or equal to a third temperature threshold value and smaller than or equal to a fourth temperature threshold value; if the second temperature value is larger than or equal to the third temperature threshold value and smaller than or equal to the fourth temperature threshold value, judging whether the second humidity value is larger than or equal to the third humidity threshold value and smaller than or equal to the fourth humidity threshold value; if the second humidity value is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator keeps normal operation, and the dehumidification device does not work; if the second humidity value is less than the third humidity threshold value, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, and working for a fourth preset time period.

Optionally, the dry storage area is provided with a second air vent communicated with the air duct of the refrigerating chamber; the control unit is further configured to: before controlling the dehumidifying device to work according to a first temperature value and a first humidity value of the dry storage area, if the first temperature value is not smaller than the second temperature value and/or the first humidity value is not smaller than the second humidity value, controlling the second ventilation opening to be opened for a first preset time period; after the second ventilation opening is controlled to be opened for a first preset time period, judging whether the first temperature value of the dry storage area is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value; if the first temperature value is larger than the second temperature threshold value, continuing to keep the second air vent open until the first temperature value is larger than or equal to the first temperature threshold value and smaller than or equal to the second temperature threshold value; and/or, the fruit and vegetable area is provided with a first ventilation opening communicated with the air duct of the refrigerating chamber, and the control unit is further used for: if the second temperature value is larger than a fourth temperature threshold value, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period; and/or, if the second temperature value is greater than or equal to the third temperature threshold and less than or equal to the fourth temperature threshold, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

Optionally, the control unit is further configured to: after the dehumidification device is controlled to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, whether the second humidity value of the fruit and vegetable area is larger than or equal to a third humidity threshold value and smaller than or equal to a fourth humidity threshold value is further judged after the fourth preset period of operation; when the second humidity value is judged to be larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator operates normally, and the dehumidifying device is controlled to stop working; and if the second humidity value is larger than a fourth humidity threshold value, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

Optionally, the control unit is further configured to: after the first ventilation opening is controlled to be opened for a fifth preset time period, further judging whether the second temperature value is larger than or equal to a third temperature threshold value and smaller than or equal to a fourth temperature threshold value; when the second temperature value is judged to be greater than or equal to a third temperature threshold value and less than or equal to a fourth temperature threshold value, the first ventilation opening is controlled to be closed; after the first ventilation opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working.

Optionally, the control unit controls the dehumidifier to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement, including: if the second humidity value of the fruit and vegetable area does not meet the preset saturated humidity requirement, controlling the dehumidifying device to extract wet air from a dry storage area and send the wet air into the fruit and vegetable area, and working for a second preset time period; and if the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the dry storage area, and working for a third preset time period.

Optionally, the control unit controls the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement, and the control unit further includes: if the second humidity value of the fruit and vegetable area does not meet the preset saturated humidity requirement, after the dehumidification device is controlled to extract wet air from the dry storage area and send the wet air into the fruit and vegetable area, whether the second humidity value of the fruit and vegetable area is greater than or equal to a third humidity threshold and less than or equal to a fourth humidity threshold is further judged after the second preset period of operation; if the second humidity value is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator operates normally, and the dehumidifying device is controlled to stop working; if the second humidity value is less than the third humidity threshold value, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, and working for a fourth preset time period; and/or if the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement, after the dehumidification device is controlled to extract wet air from other areas of the refrigerating chamber and send the wet air into the dry storage area, whether the first humidity value of the dry storage area is larger than or equal to a first humidity threshold value and smaller than or equal to a second humidity threshold value is further judged after a third preset period of operation; if the first humidity value is smaller than the first humidity threshold or larger than the second humidity threshold, controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement.

In a further aspect the invention provides a storage medium having stored thereon a computer program which when executed by a processor performs the steps of any of the methods described above.

In a further aspect the invention provides a refrigerator comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods described hereinbefore when the program is executed.

In still another aspect, the present invention provides a refrigerator, including a control device of any one of the foregoing refrigerators.

According to the technical scheme, the moisture content of the fruit and vegetable area and the dry storage area is intelligently regulated and controlled through the dehumidifying device. According to the technical scheme, on the basis that the refrigerator refrigerating chamber is provided with the independent fruit and vegetable area and the dry storage area, the logic control method for intelligently regulating and controlling the humidity is designed, so that the moisture content of the two areas is further optimized and accurately controlled, and the fresh-keeping requirement of a user on various food materials is facilitated. According to the technical scheme, the energy consumption of the refrigerator in the actual operation process can be reduced, the fresh-keeping effect of the refrigerator is improved, and the intelligent degree is also improved. The problem that the temperature and humidity of two subareas are damaged to be greatly fluctuated due to the change of the circulating structure of the air duct is solved; the problem that the internal relative humidity rises sharply and the recovery is slow due to the fact that the food materials stored in the airtight dry storage area are affected by the external temperature and humidity is solved. The relative humidity required by the two subareas is reasonably regulated and controlled through the dehumidifying effect of the dehumidifying device, so that the internal humidity is maintained in a relatively stable state, and the fresh-keeping degree is improved; the circulating air quantity under the normal refrigeration condition in the refrigeration air channel is introduced through the opening and closing action of the ventilation opening, so that the temperature and the humidity of the fresh-keeping subarea are timely reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a method schematic diagram of an embodiment of a control method of a refrigerator according to the present invention;

fig. 2 illustrates a schematic structure of a refrigerating chamber of a refrigerator according to the present invention;

FIG. 3a shows a schematic view of the conduction point of the dehumidification device;

FIG. 3b shows a schematic view of a centrifugal fan of the dehumidification device;

fig. 4 is a method schematic diagram of a specific embodiment of a control method of a refrigerator according to the present invention;

fig. 5 is a block diagram illustrating a control apparatus of a refrigerator according to an embodiment of the present invention;

in the drawings:

1. a first vent; 2. a second vent; 3. a dehumidifying device; 31. and (5) a centrifugal fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the related art, there is a refrigerator with a dry compartment, and a semiconductor refrigeration module of a storage compartment is controlled to be opened under an air supply system, so that the temperature of air blown to the dry compartment is increased, and the air blowing time is prolonged to reduce the relative humidity. However, the scheme is only aimed at dry and living storage areas, the temperature and humidity utilization rate of the whole refrigerating chamber is not considered, and the fresh-keeping effect is not comprehensive.

In the related art, the device also comprises a humidity control device and logic, wherein the device comprises a constant humidity agent, a moisture absorption zone, an air inlet and an air outlet which are communicated with a dry zone, and in principle of the invention, saturated moisture absorbed by the constant humidity agent enters a heating zone from the moisture absorption zone, so that the cyclic regeneration is realized, and meanwhile, the relative humidity of the dry zone can be well controlled. However, it lacks the beneficial freshness effect that takes into account the high humidity environmental conditions to other food materials.

The invention provides a control method of a refrigerator.

Fig. 2 illustrates a schematic structure of a refrigerating chamber of a refrigerator according to the present invention. As shown in fig. 2, the refrigerating chamber has a dry storage area and a fruit and vegetable area. A dehumidifying device 3 is further arranged in the refrigerating chamber of the refrigerator, and the dehumidifying device 3 is respectively communicated with the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber (the areas of the refrigerating chamber except the dry storage area and the fruit and vegetable area); the wet air can flow between the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber by controlling the dehumidifying device.

In one specific embodiment, the dehumidifying device is provided with a three-way conduction valve. The dehumidification device 3 is respectively communicated with the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber through three-way conduction valves; by controlling the three-way conduction valve, humid air can be caused to flow between the dry storage area, the fruit and vegetable area, and other areas of the refrigerating compartment.

The inside centrifugal fan that is equipped with of dehydrating unit, when dehydrating unit during operation, the inside centrifugal fan operation makes the air circulation flow, can realize that the humid air is in do the storage area, fruit vegetables district with other regions of cold-stored room flow.

The three-way conduction valve can be arranged at the center of the dehumidifying device and is communicated with the dry storage area, the fruit and vegetable area and other areas except the fruit and vegetable area and the dry storage area of the refrigerating chamber through pipelines (such as plastic hoses). FIG. 3a shows a schematic view of the conduction point of the dehumidification device; fig. 3b shows a schematic view of a centrifugal fan of the dehumidification device. As shown in fig. 3b, a centrifugal fan 31 is disposed inside the dehumidifying device 3, and when the dehumidifying device is in operation, the centrifugal fan 31 is operated to circulate air, so that the humid air can flow between the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber.

As shown in fig. 3a, the three-way conduction valve has a first conduction point a, a second conduction point b, and a third conduction point c. When the dry storage area needs to pump away moisture, the first conduction point a is switched to be opened, and the second conduction point b and the third conduction point c are not moved; when the dry storage area needs to suck moisture, the second conduction point b is switched to be opened, and the first conduction point a and the third conduction point c are motionless; when the fruit and vegetable area needs to suck moisture, the third conduction point c is switched to be opened, and the first conduction point a and the second conduction point b are not moved, so that the air can realize the circulating flow in any interval.

The first conduction point a is a conduction point of the fruit and vegetable area connected with the dry storage area, and after the first conduction point a is switched on, the dehumidifying device 3 extracts wet air from the dry storage area and sends the wet air into the fruit and vegetable area; the second conduction point b is a conduction point of the dry storage area connected with other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely the large environment of the refrigerating chamber), and after the second conduction point b is switched on, the dehumidifying device 3 extracts wet air from the other areas of the refrigerating chamber and sends the wet air into the dry storage area; the third conduction point c is a conduction point of the fruit and vegetable area connected with other areas of the refrigerating chamber, and after the third conduction point c is switched on, the dehumidifying device 3 extracts wet air from the other areas of the refrigerating chamber and sends the wet air into the fruit and vegetable area.

The dehumidification device 3 can bring redundant moisture content of the dry storage area into the high-humidity environment of the fruit and vegetable area, and when the fruit and vegetable area or the dry storage area is in weak humidity, a part of the moisture content can be extracted from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) to compensate, so that the intelligent and accurate regulation and control of the humidity environment required by the two areas can be realized.

The fruit and vegetable area is provided with a first ventilation opening 1 communicated with the air duct of the refrigerating chamber; the dry storage area is provided with a second air vent 2 communicated with the air duct of the refrigerating chamber. The first ventilation opening 1 and/or the second ventilation opening 2 may be specifically electric ventilation openings. The circulating air quantity can be utilized when the compartment is normally refrigerated, and cold air enters the compartment for circulation when the first ventilation opening 1 and/or the second ventilation opening 2 are/is opened, so that partial moist steam can be taken away while the temperature is reduced. The invention aims to realize accurate humidity control of two independent fruit and vegetable areas and a dry storage area through a dehumidifying device and a ventilation opening.

Fig. 1 is a method schematic diagram of an embodiment of a control method of a refrigerator according to the present invention.

As shown in fig. 1, the control method of the refrigerator according to an embodiment of the present invention includes at least steps S110, S120, S130, and S140.

Step S110, a first temperature value and a first humidity value of a dry storage area of the refrigerator and a second temperature value and a second humidity value of a fruit and vegetable area of the refrigerator are respectively obtained.

Specifically, after the refrigerator is powered on and operated, the first temperature value of the dry storage area can be acquired through the temperature and humidity sensor of the dry storage areaAnd a first humidity value->The second temperature value of the fruit and vegetable area can be acquired by a temperature and humidity sensor of the fruit and vegetable area>And a second humidity value->The invention can be implemented in the main control board of the refrigerator, so that the communication signal data can be recorded and transmitted to the main control board in real time.

Step S120, determining whether the first temperature value of the dry storage area is less than the second temperature value of the fruit and vegetable area, and whether the first humidity value of the dry storage area is less than the second humidity value of the fruit and vegetable area.

That is, judgment＜/>And->＜/>Whether the humidity difference is established or not is judged in the step, and whether the humidity difference is obvious or not is judged in the fruit and vegetable area and the dry storage area, because the humidity range required by the fruit and vegetable area and the dry storage area is obviously different.

And step S130, if the first temperature value of the dry storage area is not smaller than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not smaller than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area.

Specifically, it is determined whether the first temperature value T1 of the dry storage area is greater than or equal to a first temperature threshold and less than or equal to a second temperature threshold (e.g., the first temperature threshold is 1 ℃, the second humidity threshold is 3 ℃, and it is determined that 1 ℃ is less than or equal toWhether the temperature is lower than or equal to 3 ℃ or not is met; if the first temperature value T1 is greater than or equal to the first temperature threshold and less than or equal to the second temperature threshold, judging whether the first humidity value R1 of the dry storage area is greater than or equal to the first humidity threshold and less than or equal to the second humidity threshold (for example, the first humidity threshold is 30%, the second humidity threshold is 45%, and judging that 30% is less than or equal to the second humidity threshold)>Whether 45% or not is established). If the first humidity value R1 is judged to be smaller than the first humidity threshold or larger than the second humidity threshold (for example, 30% or less +.>Less than or equal to 45% of the total weight of the composition is not satisfied, and the composition is prepared from the following components (A)>< 30%, orAnd controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement or not.

Preferably, the dry storage area is provided with a second air vent 2 communicated with the air duct of the refrigerating chamber; before controlling the dehumidifying device to work according to a first temperature value T1 and a first humidity value R1 of the dry storage area, if the first temperature value T1 is judged to be not smaller than the second temperature value T2 and/or the first humidity value R1 is judged to be not smaller than the second humidity value R2, controlling the second ventilation opening 2 to be opened for a first preset time period T1; opening the second ventilation opening 2 can allow the refrigerating air in the refrigerating chamber to enter the dry storage area, and part of moisture can be taken away while the cold air is blown in to reduce the temperature. After controlling the second ventilation opening to be opened for a first preset time period T1, judging whether the first temperature value T1 of the dry storage area is greater than or equal to a first temperature threshold value and less than or equal to a second temperature threshold value (for example, judging that 1 ℃ is less than or equal toWhether the temperature is lower than or equal to 3 ℃ or not is met; if it is judged that the first temperature value T1 is greater than the second temperature threshold (e.g., judging +.>If the temperature is more than 3 ℃ and the humidity is not influenced when the temperature of the dry storage area is not met, continuing to keep the second ventilation opening until the first temperature value T1 of the dry storage area is more than or equal to the first temperature threshold and less than or equal to the second temperature threshold, and judging the first humidity value R1 of the dry storage area, namely judging whether the first humidity value R1 of the dry storage area is more than or equal to the first humidity threshold and less than or equal to the second humidity threshold (for example, judging that the first temperature value T1 of the dry storage area is more than or equal to 30 percent and less than or equal to the second temperature threshold) >Whether 45% or not is established). The temperature is of a first priority, and the judgment is prioritized over the judgment of the humidity. First preset duration->The method comprises the steps of carrying out a first treatment on the surface of the Wherein k represents a correction coefficient, ">A ratio of a difference between a temperature change of the dry storage area and a humidity change difference within a set period of time, +.>The time constant can be obtained experimentally, for example, 4min. For example, after the second ventilation opening of the dry storage area is opened at different temperatures and/or humidities, the time when the temperature and/or humidity changes to meet the set temperature and/or humidity requirement and the ratio of the difference between the temperature change and the humidity change of the dry storage area are recorded by multiple experiments, so as to obtain a time constant->The circulation of cold air in the dry storage area is guaranteed to be prioritized to reduce the temperature.

If the first temperature value T1 is determined to be greater than or equal to the first temperature threshold and less than or equal to the second temperature threshold (e.g., 1 ℃ C. Or less than or equal toAnd 3 ℃ is true) and determining that the first humidity value R1 is equal to or greater than a first humidity threshold and equal to or less than a second humidity threshold (e.g., determining 30% or less than ≡>45% or less is established), the second air vent 2 is controlled to be closed, and after the second air vent 2 is controlled to be closed, the refrigerator is normally operated, and the dehumidifying device 3 is controlled to stop working.

Specifically, if the first humidity value R1 is determined to be equal to or greater than the first humidity threshold and equal to or less than the second humidity threshold (e.g., 30% or lessAnd 45% or less is established), which indicates that the moisture content of the dry storage area reaches the set range requirement, and at the moment, the second air vent 2 is controlled to be closed, and after the second air vent 2 is controlled to be closed, the refrigerator is normally operated, and the dehumidifying device 3 is controlled to stop working.

If the first humidity value R1 is judged to be smaller than the first humidity threshold or larger than the second humidity threshold (for example, 30 percent or less is judgedNot more than 45%, i.e. +.>< 30%, or->And controlling the dehumidifying device 3 to work according to whether the second humidity value R2 of the fruit and vegetable area meets the preset saturated humidity requirement or not. The preset saturation humidity requirement is, for example: 85 percent or less≤95%。

Specifically, if the second humidity value R2 of the fruit and vegetable area does not meet the preset saturated humidity requirement, controlling the dehumidifying device 3 to draw wet air from the dry storage area and send the wet air into the fruit and vegetable area, and operating for a second preset time period t2, namely controlling the dehumidifying device 3 to switch to a first conduction point to operate for the second preset time period t2, wherein the first conduction point a is a conduction point for connecting the fruit and vegetable area with the dry storage area; the second preset time period ，/>Is the lower limit of the humidity demand range of the dry storage area, for example 30%, i.e. 0.3 +.>The correction factor may be obtained experimentally, for example, 1.25. The dehumidifying device 3 is cutChanging to the first conduction point a can draw moist air from the dry storage area into the fruit and vegetable area.

If the second humidity value R2 of the fruit and vegetable area meets the preset saturation humidity requirement, the dehumidifying device 3 is controlled to draw out wet air from a refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area) and send the wet air into the dry storage area, and the dehumidifying device is controlled to switch to a second conduction point to work for a third preset time t3 when the third preset time t3 is operated, wherein the second conduction point b is a conduction point of the dry storage area connected with other areas of the refrigerating chamber. A third preset time period，/>Is the lower limit of the humidity demand range of the dry storage area, for example 30%, i.e. 0.3 +.>The correction factor may be obtained experimentally, for example, 1.25. The switching of the dehumidifying apparatus 3 to the second conduction point b enables the extraction of moist air from other areas of the refrigerating chamber (other areas of the refrigerating chamber than the fruit and vegetable area and the dry storage area, i.e. the large environment of the refrigerating chamber) into the dry storage area.

Further, in a specific embodiment, the method further includes: if the second humidity value R2 of the fruit and vegetable area does not meet the preset saturation humidity requirement, after controlling the dehumidifying device 3 to draw the humid air from the dry storage area and send the humid air into the fruit and vegetable area, after operating for a second preset period of time, i.e. after controlling the dehumidifying device to switch to the first conduction point to operate for a second preset period of time, further judging whether the second humidity value R2 of the fruit and vegetable area is greater than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold (for example, judging that 85% is less than or equal to the fourth humidity threshold) Less than or equal to 95 percent) is established;

if the second humidity value R2 is determined to be greater than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold (e.g., 85% or less is determinedNot more than 95% is true), the refrigerator operates normally, and the dehumidifying device does not operate; if it is determined that the second humidity value R2 is greater than the fourth humidity threshold (e.g., determine +.>More than 95%), controlling the first ventilation opening 1 of the fruit and vegetable area to be opened for a fifth preset time period; fifth preset duration->The method comprises the steps of carrying out a first treatment on the surface of the Wherein k represents a correction coefficient, ">The ratio of the temperature variation difference to the humidity variation difference of the fruit and vegetable area within the set time period is shown, and the ratio is +.>The time constant can be obtained experimentally, for example, 6min. For example, after the first ventilation opening of the fruit and vegetable area is opened under different temperatures and/or humidities, the time when the temperature and/or humidity changes to meet the set temperature and/or humidity requirement and the ratio of the difference between the temperature change and the humidity change of the fruit and vegetable area are recorded by multiple experiments, so as to obtain a time constant ∈>Ensures that the circulation of cold air in the fruit and vegetable area is preferred to reduce the temperature.

If the second humidity value R2 is determined to be less than the third humidity threshold (e.g., determiningLess than 85%, which indicates that the humidity of the fruit and vegetable area is lower), the dehumidifying device is controlled to pump moist air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) to be sent into the fruit and vegetable area, and the dehumidifying device is controlled to be switched to a third conduction point for a fourth preset time period; fourth preset duration- >，/>Is the lower limit of the humidity requirement range of the fruit and vegetable area, for example, 85%, namely, 0.85 #, and is equal to or lower than the humidity requirement range of the fruit and vegetable area>The correction factor may be obtained experimentally, for example, 1.25. The third conduction point c is a conduction point of the fruit and vegetable area connected with other areas of the refrigerating chamber, and the dehumidifying device 3 can draw wet air from the other areas of the refrigerating chamber to send the wet air into the fruit and vegetable area after being switched to the third conduction point c, so that the humidity requirement range of the fruit and vegetable area is further reached (for example, the humidity requirement range of the fruit and vegetable area is reduced by 85 percent or less>And less than or equal to 95 percent).

After the dehumidifying device is controlled to pump moist air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) to be sent into the fruit and vegetable area, and the dehumidifying device is controlled to switch to a third conduction point to be operated for a fourth preset period of time, whether the second humidity value of the fruit and vegetable area is greater than or equal to a third humidity threshold value and less than or equal to a fourth humidity threshold value is further judged (for example, judgment is made that 85 percent is less than or equal to the fourth humidity threshold value)And (3) whether 95% or not is established) or not, namely returning to the step of judging whether the second humidity value of the fruit and vegetable area is more than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold.

Further, after controlling the first vent to open for a fifth preset period of time, further determining whether the second temperature value is greater than or equal to a third temperature threshold and less than or equal to a fourth temperature threshold (e.g., the third temperature threshold is 4 ℃, the fourth temperature threshold is 6 ℃, and determining that 4 ℃ is less than or equal to 4 ℃) Whether the temperature is less than or equal to 6 ℃ is true or not); when judgingThe second temperature value is not less than the third temperature threshold value and not more than the fourth temperature threshold value (4 ℃ not more than ++>And 6 ℃ or less, closing the first ventilation opening; after the first ventilation opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working.

That is, if it is determined that the second temperature value is equal to or higher than the third temperature threshold value and equal to or lower than the fourth temperature threshold value (4 ℃ C. Or lower thanControlling the first ventilation opening to be closed if the temperature is less than or equal to 6 ℃; if the second temperature value is judged to be greater than the fourth temperature threshold (for example, T2 is more than 6 ℃, the temperature is not up to the temperature requirement of the fruit and vegetable area, and the humidity is affected), the first ventilation opening is kept open until the second humidity value is judged to be less than the first humidity threshold and greater than the second humidity threshold (4 ℃ is less than or equal to +.>And when the temperature is less than or equal to 6 ℃, the first ventilation opening is controlled to be closed, and after the first ventilation opening is controlled to be closed, the refrigerator is normally operated, and the dehumidifying device is controlled to stop working.

Further, in another specific embodiment, the method further includes: if the second humidity value of the fruit and vegetable area meets the preset saturation humidity requirement, after the dehumidification device 3 is controlled to draw out humid air from other areas of the refrigerating chamber (i.e. the large environment of the refrigerating chamber) and send the humid air into the dry storage area, and after a third preset period of time t3 is operated, that is, after the dehumidification device is controlled to switch to a second conduction point and operate for a third operation period of time, further judging whether the first humidity value of the dry storage area is greater than or equal to the first humidity threshold and less than or equal to the second humidity threshold (for example, judging that 30% is less than or equal to the second humidity threshold Whether 45% or not is true); that is, a return is made to determine whether the first humidity value of the dry storage area is greater than or equal to the first humidity threshold and less than or equal to the second humidity thresholdAnd (3) a value step. If the first humidity value of the dry storage area is larger than or equal to the first humidity threshold and smaller than or equal to the second humidity threshold, the second air opening is controlled to be closed, and after the second air opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working. If the first humidity value is judged to be smaller than the first humidity threshold value or larger than the second humidity threshold value (30 percent is judged to be less than or equal to +.>Less than or equal to 45% of the total weight of the composition is not satisfied, and the composition is prepared from the following components (A)>< 30%, orAnd controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement or not.

And step S140, if the first temperature value of the dry storage area is less than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is less than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the second temperature value and the second humidity value of the fruit and vegetable area.

Specifically, it is determined whether the second temperature value T2 is equal to or greater than a third temperature threshold and equal to or less than a fourth temperature threshold (e.g., the third temperature threshold is 4 ℃, the fourth temperature threshold is 6 ℃, and it is determined that 4 ℃ is equal to or less than Whether the temperature is less than or equal to 6 ℃ is true or not); if the second temperature value is judged to be greater than or equal to the third temperature threshold and less than or equal to the fourth temperature threshold (e.g., 4 ℃ C. Or less than or equal to +.>And 6 ℃ is true), determining whether the second humidity value R2 is equal to or greater than a third humidity threshold and equal to or less than a fourth humidity threshold (e.g., the third humidity threshold is 85%, the fourth humidity threshold is 95%, and determining that 85% is equal to or less than ++>Whether less than or equal to 95 percent is true).

If the second humidity value R2 is determined to be greater than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold (e.g., 85% or less is determined to be satisfied)And less than or equal to 95 percent), the refrigerator keeps normal operation, and the dehumidifying device does not work. The second humidity value R2 is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, which indicates that the humidity range requirement of the fruit and vegetable area is met, and is not true, which indicates that the humidity of the fruit and vegetable area is higher or lower.

If the second humidity value R2 is determined to be less than the third humidity threshold (e.g.,less than 85%, which indicates that the humidity of the fruit and vegetable area is lower), the dehumidifying device is controlled to pump wet air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area) to be sent into the fruit and vegetable area, and the dehumidifying device is controlled to be switched to a third conduction point for a fourth preset time period; fourth preset duration- >，/>Is the lower limit of the humidity requirement range of the fruit and vegetable area, for example, 85%, namely, 0.85 #, and is equal to or lower than the humidity requirement range of the fruit and vegetable area>The correction factor may be obtained experimentally, for example, 1.25; the third conduction point c is a conduction point of the fruit and vegetable area connected with the refrigerating chamber, and the dehumidifying device 3 is switched to the third conduction point c to extract the wet air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely the large environment of the refrigerating chamber) to be sent into the fruit and vegetable area, so as to further reach the humidity requirement range of the fruit and vegetable area (for example, enable 85 percent to be less than or equal to%>And less than or equal to 95 percent).

After the dehumidifying device is controlled to pump moist air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) to be sent into the fruit and vegetable area, and the dehumidifying device is controlled to switch to a third conduction point to be operated for a fourth preset period of time, whether the second humidity value of the fruit and vegetable area is greater than or equal to a third humidity threshold value and less than or equal to a fourth humidity threshold value is further judged (for example, judgment is made that 85 percent is less than or equal to the fourth humidity threshold value)Whether 95% or not is established) or not, namely returning to the step of judging whether the second humidity value of the fruit and vegetable area is more than or equal to a third humidity threshold and less than or equal to a fourth humidity threshold; when the second humidity value is judged to be more than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold (85 percent is less than or equal to +. >And less than or equal to 95 percent of the conditions are met), the refrigerator operates normally, and the dehumidifying device stops working. If the second humidity value is determined to be greater than the fourth humidity threshold (+>And (95%) controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period. Fifth preset time periodThe method comprises the steps of carrying out a first treatment on the surface of the Wherein k represents a correction coefficient, ">The ratio of the temperature variation difference to the humidity variation difference of the fruit and vegetable area within the set time period is shown, and the ratio is +.>The time constant can be obtained experimentally, for example, 6min. For example, by multiple experiments, the temperature and/or humidity were recorded after opening the second vent of the dry storage area at different temperatures and/or humiditiesChanging to meet the set temperature and/or humidity requirement, and the ratio of the temperature variation difference to the humidity variation difference to obtain a time constantEnsures that the circulation of cold air in the fruit and vegetable area is preferred to reduce the temperature.

Preferably, the fruit and vegetable area is provided with a first ventilation opening communicated with the air duct of the refrigerating chamber, and in the step of judging whether the second temperature value T2 of the fruit and vegetable area is greater than or equal to the third temperature threshold value and less than or equal to the fourth temperature threshold value, if the second temperature value is judged to be greater than the fourth temperature threshold value (for example, judging that the temperature is less than or equal to 4℃) Not established at a temperature of less than or equal to 6 ℃, is not established at a temperature of->Controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period at the temperature of more than 6 ℃; and/or in the step of judging that the second temperature value is equal to or higher than the third temperature threshold and equal to or lower than the fourth temperature threshold, in the step of judging that the second temperature value is equal to or higher than the third temperature threshold and equal to or lower than the fourth temperature threshold (meeting 4 ℃ and less than or equal to the fourth temperature threshold>In the case of 6 ℃ or lower, if it is judged that the second humidity value is greater than the fourth humidity threshold (/ -or lower)>And (95%) controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

After controlling the first vent to open for a fifth preset period of time, further determining whether the second temperature value is greater than or equal to a third temperature threshold and less than or equal to a fourth temperature threshold (e.g., the third temperature threshold is 4 ℃, the fourth temperature threshold is 6 ℃, and determining that 4 ℃ is less than or equal toWhether the temperature is less than or equal to 6 ℃ is true or not); when judgingThe second temperature value is not less than the third temperature threshold value and not more than the fourth temperature threshold value (4 ℃ not more than ++>And 6 ℃ or less, closing the first ventilation opening; after the first ventilation opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working.

That is, if it is determined that the second temperature value is equal to or higher than the third temperature threshold value and equal to or lower than the fourth temperature threshold value (4 ℃ C. Or lower thanControlling the first ventilation opening to be closed if the temperature is less than or equal to 6 ℃; if the second temperature value is judged to be greater than the fourth temperature threshold (T2 & gt6℃), the first ventilation opening is kept open until the second humidity value is judged to be less than the first humidity threshold and greater than the second humidity threshold (4 & ltoreq & gtC.)>And when the temperature is less than or equal to 6 ℃, the first ventilation opening is controlled to be closed, and after the first ventilation opening is controlled to be closed, the refrigerator is normally operated, and the dehumidifying device is controlled to stop working.

In order to clearly illustrate the technical scheme of the invention, a specific embodiment is used for describing the execution flow of the control method of the refrigerator.

Fig. 4 is a method schematic diagram of a control method of a refrigerator according to an embodiment of the present invention. As shown in FIG. 4, the refrigerator is powered on, and the temperature and humidity sensor of the dry storage area acquires a first temperature value of the dry storage areaFirst humidity value->The temperature and humidity sensor in the fruit and vegetable area collects a second temperature value of the fruit and vegetable area>Second humidity value->Recording and transmitting communication signal data to a main control board in real time;

judging＜/>And->＜/>Whether or not to be established, if yes >＜/>And->＜/>If not, the second ventilation opening 2 is opened for a period of time +.>Ensuring the circulation of cold air in the dry storage area to reduce the temperature firstly, and then judging the temperature range required to be met in the dry storage area to be less than or equal to 1 DEG C>Whether the temperature is lower than or equal to 3 ℃ or not is judged to be the first priority;

if the temperature of the dry storage area is judged to be less than or equal to 1 DEG CThe temperature is less than or equal to 3 ℃, and the humidity of the dry storage area is judged to be less than or equal to 30 percent>45% or less, if 1 ℃ or less>If the temperature is less than or equal to 3 ℃, returning to the second air vent 2 in the previous step, and continuing to work until the temperature of the dry storage area meets the requirement;

if the humidity of the dry storage area is judged to be 30 percent or lessLess than or equal to 45 percent is established, the moisture content of the dry storage area reaches the set range requirement, the second ventilation opening 2 is in a closed state, and if the humidity of the dry storage area is judged to be less than or equal to 30 percent>If less than or equal to 45 percent is not satisfied, the additional condition is to judge whether the fruit and vegetable area reaches the saturated humidity requirement. If the saturated humidity requirement is not met, the operation of the dehumidifying device 3 is switched to the first conduction point, and the operation time is +.>The method comprises the steps of carrying out a first treatment on the surface of the If the saturated humidity requirement is met, the operation of the dehumidifying device 3 is switched to the second conduction point, and the operation time is +.>；

The first conduction point and the second conduction point are respectively a conduction point of the fruit and vegetable area connected with the dry storage area and a conduction point of the dry storage area connected with other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely the large environment of the refrigerating chamber), and the added additional judgment condition is to consider that when the high-humidity environment of the fruit and vegetable area reaches saturation, the dry storage area needs to suck moisture from the large environment of the refrigerating chamber as much as possible in order to maintain the self humidity range;

If judge that＜/>And->＜/>If so, judging that the temperature range required to be met in the fruit and vegetable area is not more than 4℃ +.>Whether the temperature is less than or equal to 6 ℃ is met; if judging that the temperature is not more than 4 DEG C>Judging whether the humidity range of the fruit and vegetable area is 85 percent or less or not more than 6 ℃ is met>If not more than 95% is established, judging that 4 ℃ is not more than%>The temperature is less than or equal to 6 ℃, at the moment, the first ventilation opening 1 is opened, and the working time is +.>Then returning to the previous step to judge that the temperature is not more than 4 DEG C>If the temperature is less than or equal to 6 ℃, the first ventilation opening 1 is enabled to work continuously until the temperature of the fruit and vegetable area meets the requirement, and the first ventilation opening 1 can be closed;

if the humidity of the fruit and vegetable area is judged to be less than or equal to 85 percentLess than or equal to 95% is established, the refrigerator remains in normal operation, and the dehumidification device 3 has stopped, indicating that both zones have reached the desired relative humidity balance. If not, judging whether the humidity of the fruit and vegetable area is +.>Whether or not > 95% is true;

if the humidity of the fruit and vegetable area is judgedMore than 95% is established, the first ventilation opening 1 is in an open state, and the condition that the temperature of the fruit and vegetable area reaches the range requirement is circularly judged, wherein the condition is a high-temperature high-humidity ring in an ideal stateIn the environment, the dew on the surfaces of vegetables and fruits is increased, and a certain temperature reduction is needed to prolong the preservation and storage time. If judging the humidity of the fruit and vegetable area +.>If more than 95% is not true, the dehumidifying device 3 is switched to the third conduction point c, and the working time length is satisfied +. >The conduction point c is used for connecting fruits and vegetables with other areas of the refrigerating chamber, and sucking part of wet air into the fruits and vegetables areas from other areas of the refrigerating chamber (other areas except the fruits and vegetables areas and the dry storage area, namely the large environment of the refrigerating chamber) to further reach the requirement range.

The invention also provides a control device of the refrigerator.

Fig. 2 illustrates a schematic structure of a refrigerating chamber of a refrigerator according to the present invention. As shown in fig. 2, the refrigerating chamber has a dry storage area and a fruit and vegetable area. A dehumidifying device 3 is further arranged in the refrigerating chamber of the refrigerator, and the dehumidifying device 3 is respectively communicated with the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber; the wet air can flow between the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber by controlling the dehumidifying device.

The dehumidification device 3 can bring redundant moisture content of the dry storage area into the high-humidity environment of the fruit and vegetable area, and when the fruit and vegetable area or the dry storage area is in weak humidity, a part of the moisture content can be extracted from the large environment of the refrigerating chamber to compensate, so that the intelligent and accurate regulation and control of the humidity environment required by the two areas can be realized.

Fig. 5 is a block diagram of a control device of a refrigerator according to an embodiment of the present invention. As shown in fig. 5, the control device 100 includes an acquisition unit 110, a judgment unit 120, and a control unit 130.

And an acquisition unit 110 for acquiring a first temperature value and a first humidity value of a dry storage area of the refrigerator and a second temperature value and a second humidity value of a fruit and vegetable area of the refrigerator, respectively.

The judging unit 120 is configured to judge whether the first temperature value of the dry storage area obtained by the obtaining unit 110 is smaller than the second temperature value of the fruit and vegetable area, and whether the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area.

The control unit 130 is configured to control the dehumidifier to operate according to the first temperature value and the first humidity value of the dry storage area if the judging unit 120 judges that the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area;

if the judging unit 120 judges that the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area, the dehumidifying device is controlled to work according to the second temperature value and the second humidity value of the fruit and vegetable area.

Specifically, if the determining unit 120 determines that the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area, and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area, the controlling unit controls the dehumidifying device to operate according to the first temperature value and the first humidity value of the dry storage area, including: judging whether the first temperature value of the dry storage area is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value; (e.g., a first temperature threshold of 1℃and a second humidity threshold of 3℃and judging 1℃to be equal to or lower than Whether the temperature is less than or equal to 3 ℃ or not) if the first temperature value is more than or equal to the first temperature threshold value and less thanIf the first humidity value R1 of the dry storage area is equal to or greater than the first humidity threshold and equal to or less than the second humidity threshold (for example, the first humidity threshold is 30%, the second humidity threshold is 45%, and the judgment is 30% or less)>Whether 45% or not is true); if the first humidity value R1 is judged to be smaller than the first humidity threshold or larger than the second humidity threshold (for example, 30% or less +.>Less than or equal to 45% of the total weight of the composition is not satisfied, and the composition is prepared from the following components (A)>< 30%, or->And controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement or not.

Preferably, the dry storage area is provided with a second air vent 2 communicated with the air duct of the refrigerating chamber; before controlling the dehumidifying device to work according to a first temperature value T1 and a first humidity value R1 of the dry storage area, if the first temperature value T1 is judged to be not smaller than the second temperature value T2 and/or the first humidity value R1 is judged to be not smaller than the second humidity value R2, controlling the second ventilation opening 2 to be opened for a first preset time period T1; opening the second ventilation opening 2 can allow the refrigerating air in the refrigerating chamber to enter the dry storage area, and part of moisture can be taken away while the cold air is blown in to reduce the temperature. After controlling the second ventilation opening to be opened for a first preset time period T1, judging whether the first temperature value T1 of the dry storage area is greater than or equal to a first temperature threshold value and less than or equal to a second temperature threshold value (for example, judging that 1 ℃ is less than or equal to Whether the temperature is lower than or equal to 3 ℃ or not is met; if it is judged that the first temperature value T1 is greater than the second temperature threshold (e.g., judging +.>If the temperature is more than 3 ℃ and the humidity is not influenced when the temperature of the dry storage area is not met, continuing to keep the second ventilation opening until the first temperature value T1 of the dry storage area is more than or equal to the first temperature threshold and less than or equal to the second temperature threshold, and judging the first humidity value R1 of the dry storage area, namely judging whether the first humidity value R1 of the dry storage area is more than or equal to the first humidity threshold and less than or equal to the second humidity threshold (for example, judging that the first temperature value T1 of the dry storage area is more than or equal to 30 percent and less than or equal to the second temperature threshold)>Whether 45% or not is established). The temperature is determined as a first priority, and the determination is prioritized over the determination of humidity. First preset duration->The method comprises the steps of carrying out a first treatment on the surface of the Wherein k represents a correction coefficient, ">Indicating the ratio of the temperature variation difference to the humidity variation difference of the dry storage area within the preset time, ++>Is a time constant and can be obtained through experiments. For example, after the second ventilation opening of the dry storage area is opened at different temperatures and/or humidities, the time when the temperature and/or humidity changes to meet the set temperature and/or humidity requirement and the ratio of the difference between the temperature change and the humidity change of the dry storage area are recorded by multiple experiments, so as to obtain a time constant- >The circulation of cold air in the dry storage area is guaranteed to be prioritized to reduce the temperature.

If the first temperature value T1 is determined to be greater than or equal to the first temperature threshold and less than or equal to the second temperature threshold (e.g., 1 ℃ C. Or less than or equal toNot more than 3 ℃ and not more than 3 ℃) and judging that the first humidity value R1 is more than a first humidity threshold value and not more than a second humidity valueThe threshold of degree (e.g., judging 30% or less ++>45% or less is established), the second air vent 2 is controlled to be closed, and after the second air vent 2 is controlled to be closed, the refrigerator is normally operated, and the dehumidifying device 3 is controlled to stop working.

If the first humidity value R1 is judged to be smaller than the first humidity threshold or larger than the second humidity threshold (for example, 30 percent or less is judgedNot more than 45%, i.e. +.>< 30%, or->And controlling the dehumidifying device 3 to work according to whether the second humidity value R2 of the fruit and vegetable area meets the preset saturated humidity requirement or not. The preset saturation humidity requirement is, for example: 85 percent or less ≤95%。

Specifically, if the second humidity value R2 of the fruit and vegetable area does not meet the preset saturation humidity requirement, the dehumidifying device 3 is controlled to draw the humid air from the dry storage area to send the humid air into the fruit and vegetable area, and the dehumidifying device 3 is controlled to switch to a first conduction point to work for a second preset time period t2, wherein the first conduction point a is the conduction between the fruit and vegetable area and the dry storage areaA dot; the second preset time period，/>Is the lower limit of the humidity demand range of the dry storage area, for example 30%, i.e. 0.3 +.>The correction factor may be obtained experimentally, for example, 1.25. The switching of the dehumidifying device 3 to the first conduction point a can draw out moist air from the dry storage area and send it into the fruit and vegetable area.

If the second humidity value R2 of the fruit and vegetable area meets the preset saturation humidity requirement, the dehumidifying device 3 is controlled to draw out the wet air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) and send the wet air into the dry storage area, and the dehumidifying device is controlled to switch to a second conduction point to work for a third preset time t3, wherein the second conduction point b is a conduction point where the dry storage area is connected with other areas of the refrigerating chamber. A third preset time period ，/>Is the lower limit of the humidity demand range of the dry storage area, for example 30%, i.e. 0.3 +.>The correction factor may be obtained experimentally, for example, 1.25. The switching of the dehumidifying apparatus 3 to the second conduction point b enables the extraction of moist air from other areas of the refrigerating chamber (other areas of the refrigerating chamber than the fruit and vegetable area and the dry storage area, i.e. the large environment of the refrigerating chamber) into the dry storage area.

Further, in a specific embodiment, the method further includes: if the second humidity value R2 of the fruit and vegetable area does not meet the preset saturation humidity requirement, controlling the dehumidifying device 3 to draw from the dry storage areaAfter the wet air is taken and sent into the fruit and vegetable area and works for a second preset time period, namely after the dehumidification device is controlled to be switched to a first conduction point and works for a second preset time period, whether a second humidity value R2 of the fruit and vegetable area is larger than or equal to a third humidity threshold and smaller than or equal to a fourth humidity threshold is further judged (for example, judgment is made that 85 percent is smaller than or equal to the fourth humidity threshold)Less than or equal to 95 percent) is established;

if the second humidity value R2 is determined to be greater than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold (e.g., 85% or less is determinedNot more than 95% is true), the refrigerator operates normally, and the dehumidifier stops working; if it is determined that the second humidity value R2 is greater than the fourth humidity threshold (e.g., determine +. >More than 95%), controlling the first ventilation opening 1 of the fruit and vegetable area to be opened for a fifth preset time period; />The method comprises the steps of carrying out a first treatment on the surface of the Wherein k represents a correction coefficient, ">The ratio of the temperature variation difference to the humidity variation difference of the fruit and vegetable area within the set time period is shown, and the ratio is +.>The time constant can be obtained experimentally, for example, 6min. For example, after the first ventilation opening of the fruit and vegetable area is opened under different temperatures and/or humidities, the time when the temperature and/or humidity changes to meet the set temperature and/or humidity requirement and the ratio of the difference between the temperature change and the humidity change of the fruit and vegetable area are recorded by multiple experiments, so as to obtain a time constant ∈>The circulation of cold air in the dry storage area is guaranteed to be prioritized to reduce the temperature. If judge what isThe second humidity value R2 is smaller than the third humidity threshold (e.g., judging +.>Less than 85%, which indicates that the humidity of the fruit and vegetable area is lower), the dehumidifying device is controlled to switch to a third conduction point, and the dehumidifying device is operated for a fourth preset time period (the dehumidifying device is controlled to pump wet air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) to be sent into the fruit and vegetable area, and the dehumidifying device is controlled to operate for the fourth preset time period); fourth preset duration- >Is the lower limit of the humidity requirement range of the fruit and vegetable area, for example, 85%, namely, 0.85 #, and is equal to or lower than the humidity requirement range of the fruit and vegetable area>The correction factor may be obtained experimentally, for example, 1.25. The third conduction point c is a conduction point of the fruit and vegetable area connected with other areas of the refrigerating chamber, and the dehumidifying device 3 can draw wet air from the other areas of the refrigerating chamber to send the wet air into the fruit and vegetable area after being switched to the third conduction point c, so that the humidity requirement range of the fruit and vegetable area is further reached (for example, the humidity requirement range of the fruit and vegetable area is reduced by 85 percent or less>And less than or equal to 95 percent).

Further, after controlling the first vent to open for a fifth preset period of time, further determining whether the second temperature value is greater than or equal to a third temperature threshold and less than or equal to a fourth temperature threshold (e.g., the third temperature threshold is 4 ℃, the fourth temperature threshold is 6 ℃, and determining that 4 ℃ is less than or equal to 4 ℃) Whether the temperature is less than or equal to 6 ℃ is true or not); when the second temperature value is judged to be more than or equal to the third temperature threshold value and less than or equal to the fourth temperature threshold value (4 ℃ is less than or equal to +)>And 6 ℃ or less, closing the first ventilation opening; after the first ventilation opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working.

Further, in another specific embodiment, the method further includes: if the second humidity value of the fruit and vegetable area meets the preset saturation humidity requirement, the dehumidifying device 3 is controlled to pump the wet air from other areas of the refrigerating chamber (other areas except the fruit and vegetable area and the dry storage area, namely the large environment of the refrigerating chamber) to the dry storage area, and the third preset operation is performed After the time period t3, that is, after the dehumidifying device is controlled to be switched to the second conduction point to work for a third working time period, whether the first humidity value of the dry storage area is greater than or equal to the first humidity threshold and less than or equal to the second humidity threshold is further judged (for example, 30% or less is judged)Whether 45% or not is true); that is, a step of determining whether the first humidity value of the dry storage area is equal to or greater than a first humidity threshold and equal to or less than a second humidity threshold is returned. If the first humidity value of the dry storage area is larger than or equal to the first humidity threshold and smaller than or equal to the second humidity threshold, the second air opening is controlled to be closed, and after the second air opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working. If the first humidity value is judged to be smaller than the first humidity threshold value or larger than the second humidity threshold value (30 percent is judged to be less than or equal to +.>Less than or equal to 45% of the total weight of the composition is not satisfied, and the composition is prepared from the following components (A)>< 30%, or->And controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement or not.

If the judging unit judges that the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area, the control unit controls the dehumidifying device to work according to the second temperature value and the second humidity value of the fruit and vegetable area, and the dehumidifying device comprises:

Judging whether the second temperature value is greater than or equal to a third temperature threshold value and less than or equal to a fourth temperature threshold value (for example, the third temperature threshold value is 4 ℃, the fourth temperature threshold value is 6 ℃, and judging that 4 ℃ is less than or equal toWhether the temperature is less than or equal to 6 ℃ is true or not); if the second temperature value is judged to be greater than or equal to the third temperature threshold and less than or equal to the fourth temperature threshold (e.g., 4 ℃ C. Or less than or equal to +.>And 6 ℃ is true), determining whether the second humidity value is equal to or greater than a third humidity threshold and equal to or less than a fourth humidity threshold (e.g., the third humidity threshold is 85%, the fourth humidity threshold is 95%, and determining that 85% is equal to or less than->Whether less than or equal to 95 percent is true).

If the second humidity value R2 is determined to be greater than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold (e.g., 85% or less is determinedAnd less than or equal to 95 percent), the refrigerator keeps normal operation, and the dehumidifying device does not work. The second humidity value is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, which indicates that the fruit and vegetable area reaches the humidity range requirement, and the condition that the humidity of the fruit and vegetable area is higher or lower is not satisfied.

If the second humidity value R2 is less than the third humidity threshold value #And (85%), controlling the dehumidifying device to pump the wet air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) to send the wet air into the fruit and vegetable area, and operating for a fourth preset time period, namely, controlling the dehumidifying device to be switched to a third conduction point and operating for the fourth preset time period. Fourth preset duration- >，/>Is the lower limit of the humidity requirement range of the fruit and vegetable area, for example, 85%, namely, 0.85 #, and is equal to or lower than the humidity requirement range of the fruit and vegetable area>The correction factor may be obtained experimentally, for example, 1.25. The third conduction point c is a conduction point of the fruit and vegetable area connected with other areas of the refrigerating chamber, and the dehumidifying device 3 is switched to the third conduction point c to extract the wet air from other areas of the refrigerating chamber (other areas except the fruit and vegetable area and the dry storage area, namely the large environment of the refrigerating chamber) to be sent into the fruit and vegetable area, so as to further reach the humidity requirement range of the fruit and vegetable area (for example, enable 85 percent to be less than or equal to%>And less than or equal to 95 percent). />

After the dehumidifying device is controlled to pump moist air from other areas of the refrigerating chamber (other areas of the refrigerating chamber except the fruit and vegetable area and the dry storage area, namely, the large environment of the refrigerating chamber) to be sent into the fruit and vegetable area, and the dehumidifying device is controlled to switch to a third conduction point to be operated for a fourth preset period of time, whether the second humidity value of the fruit and vegetable area is greater than or equal to a third humidity threshold value and less than or equal to a fourth humidity threshold value is further judged (for example, judgment is made that 85 percent is less than or equal to the fourth humidity threshold value)Whether 95% or not is established) or not, namely returning to the step of judging whether the second humidity value of the fruit and vegetable area is more than or equal to a third humidity threshold and less than or equal to a fourth humidity threshold; when the second humidity value is judged to be more than or equal to the third humidity threshold and less than or equal to the fourth humidity threshold (85 percent is less than or equal to +. >And less than or equal to 95 percent of the conditions are met), the refrigerator operates normally, and the dehumidifying device stops working. If the second humidity value is determined to be greater than the fourth humidity threshold (+>And (95%) controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

Preferably, the fruit and vegetable area is provided with a first ventilation opening communicated with the air duct of the refrigerating chamber, and the control unit is also provided withFor the purpose of: if the second temperature value is judged to be larger than the fourth temperature threshold value #Controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period at the temperature of more than 6 ℃; and/or the number of the groups of groups,

when the second temperature value is judged to be more than or equal to the third temperature threshold value and less than or equal to the fourth temperature threshold value (meeting the requirement of 4 ℃ C. To or less)In the case of 6 ℃ or lower, if it is judged that the second humidity value is greater than the fourth humidity threshold (/ -or lower)>More than 95 percent) and controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period. />The method comprises the steps of carrying out a first treatment on the surface of the Where k represents the correction coefficient and,the ratio of the temperature variation difference to the humidity variation difference of the fruit and vegetable area within the set time period is shown, and the ratio is +.>The time constant can be obtained experimentally, for example, 6min. For example, after the second ventilation opening of the dry storage area is opened at different temperatures and/or humidities through multiple experiments, the time when the temperature and/or humidity changes to meet the set temperature and/or humidity requirement and the ratio of the temperature change difference to the humidity change difference of the fruit and vegetable area are recorded, so as to obtain a time constant- >The circulation of cold air in the dry storage area is guaranteed to be prioritized to reduce the temperature.

After controlling the first vent to open for a fifth preset period of time, further determining whether the second temperature value is greater than or equal to a third temperature threshold and less than or equal to a fourth temperature threshold (e.g., the third temperature threshold is4 ℃, the fourth temperature threshold value is 6 ℃, and the judgment of 4 ℃ is less than or equal toWhether the temperature is less than or equal to 6 ℃ is true or not); when the second temperature value is judged to be more than or equal to the third temperature threshold value and less than or equal to the fourth temperature threshold value (4 ℃ is less than or equal to +)>And 6 ℃ or less, closing the first ventilation opening; after the first ventilation opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working.

The present invention also provides a storage medium corresponding to a control method of the refrigerator, on which a computer program is stored, which program, when executed by a processor, implements the steps of any of the methods described above.

The invention also provides a refrigerator corresponding to the control method of the refrigerator, which comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of any one of the methods when executing the program.

The invention also provides a refrigerator corresponding to the control device of the refrigerator, which comprises the control device of any one of the refrigerators.

According to the technical scheme provided by the invention, the moisture content of the fruit and vegetable area and the dry storage area is intelligently regulated and controlled through the dehumidifying device, and when the fruit and vegetable area or the dry storage area does not reach the humidity range, the fruit and vegetable area or the dry storage area can be extracted from the large environment of the refrigerating chamber by means of the reversing conduction valve.

According to the technical scheme, on the basis that the refrigerator refrigerating chamber is provided with the independent fruit and vegetable area and the dry storage area, the logic control method for intelligently regulating and controlling the humidity is designed, so that the moisture content of the two areas is further optimized and accurately controlled, and the fresh-keeping requirement of a user on various food materials is facilitated. According to the technical scheme, the energy consumption of the refrigerator in the actual operation process can be reduced, the fresh-keeping effect of the refrigerator is improved, and the intelligent degree is also improved. The problem that the temperature and humidity of two subareas are damaged to be greatly fluctuated due to the change of the circulating structure of the air duct is solved; the problem that the internal relative humidity rises sharply and the recovery is slow due to the fact that the food materials stored in the airtight dry storage area are affected by the external temperature and humidity is solved. The relative humidity required by the two subareas is reasonably regulated and controlled through the dehumidifying effect of the dehumidifying device, so that the internal humidity is maintained in a relatively stable state, and the fresh-keeping degree is improved; the circulating air quantity under the normal refrigeration condition in the refrigeration air channel is introduced through the opening and closing action of the ventilation opening, so that the temperature and the humidity of the fresh-keeping subarea are timely reduced.

The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software that is executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the appended claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit.

In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.

The units described as separate components may or may not be physically separate, and components as control devices may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the related art or all or part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The above description is only an example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The control method of the refrigerator is characterized in that a refrigerating chamber of the refrigerator is provided with a dry storage area and a fruit and vegetable area, and a dehumidifying device is arranged in the refrigerating chamber of the refrigerator and is respectively communicated with the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber; enabling humid air to flow between the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber by controlling the dehumidifying device; the control method comprises the following steps:

respectively acquiring a first temperature value and a first humidity value of a dry storage area of the refrigerator and a second temperature value and a second humidity value of a fruit and vegetable area of the refrigerator;

judging whether the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and whether the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area;

If the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area;

if the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the second temperature value and the second humidity value of the fruit and vegetable area.

2. The control method according to claim 1, wherein,

if the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area, including:

judging whether the first temperature value of the dry storage area is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value;

if the first temperature value is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value, judging whether the first humidity value of the dry storage area is larger than or equal to the first humidity threshold value and smaller than or equal to the second humidity threshold value;

If the first humidity value is judged to be smaller than a first humidity threshold or larger than a second humidity threshold, controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement;

and/or the number of the groups of groups,

if the first temperature value of the dry storage area is less than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is less than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the second temperature value of the fruit and vegetable area and the second humidity value, including:

judging whether the second temperature value is larger than or equal to a third temperature threshold value and smaller than or equal to a fourth temperature threshold value;

if the second temperature value is larger than or equal to the third temperature threshold value and smaller than or equal to the fourth temperature threshold value, judging whether the second humidity value is larger than or equal to the third humidity threshold value and smaller than or equal to the fourth humidity threshold value;

if the second humidity value is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator keeps normal operation, and the dehumidification device does not work;

if the second humidity value is less than the third humidity threshold value, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, and working for a fourth preset time period.

3. The control method according to claim 2, wherein the dry storage area is provided with a second ventilation opening communicating with the air duct of the refrigerating chamber; the control method further comprises the following steps:

before controlling the dehumidifying device to work according to a first temperature value and a first humidity value of the dry storage area, if the first temperature value is not smaller than the second temperature value and/or the first humidity value is not smaller than the second humidity value, controlling the second ventilation opening to be opened for a first preset time period;

after the second ventilation opening is controlled to be opened for a first preset time period, judging whether the first temperature value of the dry storage area is larger than or equal to a first temperature threshold value and smaller than or equal to a second temperature threshold value;

if the first temperature value is larger than the second temperature threshold value, continuing to keep the second air vent open until the first temperature value is larger than or equal to the first temperature threshold value and smaller than or equal to the second temperature threshold value;

and/or the number of the groups of groups,

the fruit and vegetable area is provided with a first ventilation opening communicated with the air duct of the refrigerating chamber, and the control method further comprises the following steps:

if the second temperature value is larger than a fourth temperature threshold value, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period;

And/or the number of the groups of groups,

and if the second temperature value is larger than or equal to the third temperature threshold and smaller than or equal to the fourth temperature threshold, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

4. A control method according to claim 3, characterized by further comprising:

after the dehumidification device is controlled to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, whether the second humidity value of the fruit and vegetable area is larger than or equal to a third humidity threshold value and smaller than or equal to a fourth humidity threshold value is further judged after the fourth preset period of operation;

when the second humidity value is judged to be larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator operates normally, and the dehumidifying device is controlled to stop working;

and if the second humidity value is larger than a fourth humidity threshold value, controlling the first ventilation opening of the fruit and vegetable area to be opened for a fifth preset time period.

5. The control method according to claim 3 or 4, characterized by further comprising:

after the first ventilation opening is controlled to be opened for a fifth preset time period, further judging whether the second temperature value is larger than or equal to a third temperature threshold value and smaller than or equal to a fourth temperature threshold value;

When the second temperature value is judged to be greater than or equal to a third temperature threshold value and less than or equal to a fourth temperature threshold value, the first ventilation opening is controlled to be closed;

after the first ventilation opening is controlled to be closed, the refrigerator operates normally, and the dehumidifying device is controlled to stop working.

6. The method according to any one of claims 2 to 4, wherein controlling the operation of the dehumidifying device according to whether the second humidity value of the fruit and vegetable area satisfies a preset saturation humidity requirement comprises:

if the second humidity value of the fruit and vegetable area does not meet the preset saturated humidity requirement, controlling the dehumidifying device to extract wet air from a dry storage area and send the wet air into the fruit and vegetable area, and working for a second preset time period;

and if the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the dry storage area, and working for a third preset time period.

7. The control method according to claim 6, wherein,

if the second humidity value of the fruit and vegetable area does not meet the preset saturated humidity requirement, after the dehumidification device is controlled to extract wet air from the dry storage area and send the wet air into the fruit and vegetable area, whether the second humidity value of the fruit and vegetable area is greater than or equal to a third humidity threshold and less than or equal to a fourth humidity threshold is further judged after the second preset period of operation;

If the second humidity value is larger than or equal to the third humidity threshold and smaller than or equal to the fourth humidity threshold, the refrigerator operates normally, and the dehumidifying device is controlled to stop working;

if the second humidity value is less than the third humidity threshold value, controlling the dehumidifying device to extract wet air from other areas of the refrigerating chamber and send the wet air into the fruit and vegetable area, and working for a fourth preset time period;

and/or the number of the groups of groups,

if the second humidity value of the fruit and vegetable area meets the preset saturated humidity requirement, after the dehumidification device is controlled to extract wet air from other areas of the refrigerating chamber and send the wet air into the dry storage area, whether the first humidity value of the dry storage area is larger than or equal to a first humidity threshold value and smaller than or equal to a second humidity threshold value is further judged after a third preset period of operation;

if the first humidity value is smaller than the first humidity threshold or larger than the second humidity threshold, controlling the dehumidifying device to work according to whether the second humidity value of the fruit and vegetable area meets a preset saturated humidity requirement.

8. The control device of the refrigerator is characterized in that a refrigerating chamber of the refrigerator is provided with a dry storage area and a fruit and vegetable area, and a dehumidifying device is also arranged in the refrigerating chamber of the refrigerator and is respectively communicated with the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber; enabling humid air to flow between the dry storage area, the fruit and vegetable area and other areas of the refrigerating chamber by controlling the dehumidifying device; the control device includes:

The acquisition unit is used for respectively acquiring a first temperature value and a first humidity value of a dry storage area of the refrigerator and a second temperature value and a second humidity value of a fruit and vegetable area of the refrigerator;

the judging unit is used for judging whether the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and whether the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area;

the control unit is used for controlling the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area if the judging unit judges that the first temperature value of the dry storage area is not smaller than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not smaller than the second humidity value of the fruit and vegetable area;

and if the judging unit judges that the first temperature value of the dry storage area is smaller than the second temperature value of the fruit and vegetable area and the first humidity value of the dry storage area is smaller than the second humidity value of the fruit and vegetable area, controlling the dehumidifying device to work according to the second temperature value and the second humidity value of the fruit and vegetable area.

9. The control device according to claim 8, wherein,

if the judging unit judges that the first temperature value of the dry storage area is not less than the second temperature value of the fruit and vegetable area and/or the first humidity value of the dry storage area is not less than the second humidity value of the fruit and vegetable area, the control unit controls the dehumidifying device to work according to the first temperature value and the first humidity value of the dry storage area, and the dehumidifying device comprises:

and/or the number of the groups of groups,

10. A storage medium having stored thereon a computer program which when executed by a processor performs the steps of the method of any of claims 1-7.

11. A refrigerator comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method of any one of claims 1 to 7 when the program is executed, or the refrigerator comprising the control device of any one of claims 8 to 9.