CN113790555B

CN113790555B - Refrigerator and control method and storage medium thereof

Info

Publication number: CN113790555B
Application number: CN202111082137.2A
Authority: CN
Inventors: 焦雯姝; 程星光; 陈佳弘; 李信良; 钟泽健
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-10-18
Anticipated expiration: 2041-09-15
Also published as: CN113790555A

Abstract

The invention provides a refrigerator, a control method thereof and a storage medium. The scheme provided by the invention can quickly and uniformly diffuse the sterilizing substance and improve the sterilizing efficiency.

Description

Refrigerator and control method and storage medium thereof

Technical Field

The invention relates to the field of control, in particular to a refrigerator, a control method thereof and a storage medium.

Background

The refrigerator with the sterilization function is widely favored because the refrigerator can inhibit the growth and reproduction of microorganisms, prevent food spoilage and improve user experience.

Among the correlation technique, the air-cooled refrigerator that has odor removal sterilizing equipment, its odor removal sterilizing equipment's odor removal sterilizing material is through the air current diffusion in storing space, distribute, this kind will remove the fixed mode that sets up in the air supply wind channel of odor removal sterilizing equipment, and odor removal sterilizing material diffusion rate is slower, and distributes inhomogeneously, receives the separation of refrigerator structures such as shelf board easily, and the bactericidal effect has the problem at dead angle.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned drawbacks of the related art, and to providing a refrigerator, a control method thereof, and a storage medium thereof, so as to solve the problems of slow diffusion speed and uneven distribution of the sterilizing material of the related art sterilization apparatus.

In one aspect, the present invention provides a refrigerator having a sterilizing apparatus disposed in a storage space of the refrigerator, the sterilizing apparatus being movable in the storage space.

Optionally, a guide rail is arranged in the storage space, and the sterilization device is arranged on the guide rail and can move in the storage space by means of the guide rail.

Optionally, the guide rail is an embedded guide rail; and/or the guide rail is zigzag-shaped.

Optionally, a sterilization substance release window is arranged on the sterilization device, and more than one fan is installed around the sterilization substance release window.

Optionally, the sterilizing substance released by the sterilizing device comprises plasma.

Another aspect of the present invention provides a method for controlling a refrigerator, including: when the sterilization function of the refrigerator is started, acquiring a set sterilization mode; and controlling the sterilization module to move according to the set sterilization mode so as to sterilize the storage space of the refrigerator.

Optionally, the sterilization mode includes: a first sterilization mode, a second sterilization mode, and a third sterilization mode; controlling the sterilization module to move according to the set sterilization mode so as to sterilize the storage space of the refrigerator; when the set sterilization mode is a first sterilization mode, controlling the sterilization device to be started, and moving in the storage space at a preset moving speed; when the set sterilization mode is a second sterilization mode, determining the current sterilization position according to the position of the food stored in the storage space; controlling the sterilization device to be started and move to the sterilization position; and when the set sterilization mode is a third sterilization mode, controlling the sterilization device to be started and moving to a set position in the storage space.

Optionally, a sterilizing material releasing window is arranged on the sterilizing device, and at least one fan is installed around the sterilizing material releasing window; and when the set sterilization mode is a second sterilization mode, controlling the at least one fan installed around the sterilizing substance release window to be turned on.

Optionally, the method further comprises: when the sterilization device works, judging whether the working time of the sterilization device reaches a preset time or not; if the working time reaches the preset time, controlling the sterilization device to stop working; in the first sterilization mode, the corresponding preset time is a first preset time; in the second sterilization mode, the corresponding preset time is a second preset time; in the third sterilization mode, the corresponding preset time is a third preset time; the first preset time is longer than the second preset time, and the second preset time is longer than the third preset time.

Optionally, the method further comprises: when the sterilizing device works, judging whether a refrigerator door of the refrigerator is opened or not; and if the refrigerator door is judged to be opened, controlling the sterilizing device to stop working.

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

According to the technical scheme of the invention, the sterilizing device capable of moving in the storage space is arranged, so that sterilizing substances can be quickly and uniformly diffused, and the sterilizing efficiency is improved. The problem of traditional refrigerator that disinfects the function disinfect the material diffusion ability limited, the bactericidal effect has the dead angle is solved. According to the technical scheme of the invention, the sterilization device is controlled to move according to the set sterilization mode, so that sterilization control in multiple modes is realized, and the sterilization device can be controlled to move and work according to the food placement position and the sterilization mode selected by a user through the cooperation of the control system, the positioner and the transmission device, so that the sterilization efficiency and the intellectualization of the refrigerator are improved.

The storage space is provided with the zigzag embedded guide rail, and the sterilization device can move up and down and left and right in the refrigerating chamber, so that sterilization substances can be rapidly and uniformly diffused, and the sterilization efficiency and the sterilization speed are improved. Meanwhile, the sterilization device can move from one refrigerating space to another refrigerating space, sterilization of a plurality of refrigerating spaces can be achieved by using one sterilization device, and cost is reduced. The embedded design can avoid the sterilizing equipment to interfere with the stored objects in the storage space, and ensure the smooth operation of the sterilizing equipment.

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 not to limit the invention. In the drawings:

fig. 1 is a schematic view illustrating a structure of a refrigerator according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a sterilization apparatus according to an embodiment of the present invention;

FIG. 3 illustrates a schematic structural diagram of a transmission according to an embodiment of the present invention;

fig. 4 is a method schematic diagram of an embodiment of a control method of a refrigerator provided by the present invention;

fig. 5 is a method schematic diagram of an embodiment of a control method of a refrigerator according to the present invention.

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 the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to be exhaustive or exhaustive. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Moreover, 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.

The invention provides a control method of a refrigerator.

A sterilizing device 1 is arranged in the storage space of the refrigerator. The storage space may be a refrigerating chamber. A guide rail 2 is arranged in the storage space, and the sterilizing device 1 is arranged on the guide rail 2 and can move in the storage space by means of the guide rail 2. Alternatively, the guide rail may be provided at a top surface, a side wall, and/or a rear wall of the storage space. Preferably, a guide rail 2 is arranged on the rear wall of the storage space, the sterilization device 1 is arranged on the guide rail, and can be moved in the storage space by means of the guide rail 2, so that the sterilization device can be moved from one subspace to another subspace of the storage space, and one sterilization device is used for realizing sterilization of a plurality of subspaces, thereby reducing the cost. And a gap which is enough for the sterilization device to pass through is formed between the shelf board in the storage space and the rear wall of the storage space.

Preferably, the guide rail 2 is an embedded guide rail, the embedded design can avoid the interference between the sterilization device and the stored objects in the storage space, ensure the smooth operation of the sterilization device, simultaneously enable the sterilization device to move from one subspace of the storage space to another subspace, and can realize the sterilization of a plurality of subspaces by using one sterilization device, thereby reducing the cost.

Fig. 1 is a schematic view illustrating a structure of a refrigerator according to an embodiment of the present invention. As shown in fig. 1, the guide rail 2 is optionally zigzag-shaped, so that the guide rail can move up and down, left and right in the storage space of the refrigerator, and the sterilizing material released by the sterilizing apparatus 1 can be rapidly and uniformly diffused, thereby improving the sterilizing efficiency and the sterilizing speed.

Optionally, a transmission device is arranged on the sterilization device 1. The specific structure of the transmission device is shown in fig. 3, and the transmission device comprises a motor 7, a roller 8 and a slide block 9.1 is a sterilization device, and 2 is a guide rail. The transmission device is connected with the guide rail 2 through a sliding block 9, the sterilization device 1 is fixed on the sliding block, a motor 7 drives a roller 8, the roller 8 drives the sliding block 9 to move on the rail, and therefore the sterilization device 1 moves on the rail 2.

The motor is controlled by a refrigerator control system, and the control system controls the transmission device according to the position information fed back by the positioner.

Alternatively, the storage container 3 in the storage space of the refrigerator has a structure without a top surface, a rectangular or square bottom surface, trapezoidal side walls, and a front wall higher than a rear wall. For example, as shown in fig. 2, the storage container is a fruit and vegetable drawer, the side surface of the storage container is a trapezoid with a high front part and a low rear part, and the height of the rear wall (the side close to the rear wall of the storage space) is lower than that of the front wall (the side close to the rear wall of the storage space), so that the sterilization device is prevented from being blocked by the rear wall of the fruit and vegetable drawer, and the storage space inside the drawer is prevented from being completely blocked by the rear wall and being sterilized by the sterilization substance (such as plasma) released by the sterilization device.

Current fruit vegetables drawer is generally for being the cuboid structure such as height of preceding back wall, and sterilizing equipment can be sheltered from by the back wall of fruit vegetables drawer when moving fruit vegetables drawer position, can't disinfect to drawer inside, consequently with the low trapezium structure in high back before the design of fruit vegetables drawer, can make sterilizing equipment not sheltered from by drawer back wall like this, can disinfect to the inside release plasma of drawer.

Optionally, the sterilization device is provided with a sterilization substance release window 5. Fig. 2 is a schematic structural view illustrating a sterilization apparatus according to an embodiment of the present invention. As shown in fig. 2, the biocidal material release window 5 may be provided in the middle, e.g. in particular in a central position, of a side of the germicidal device. More than one fan 4 is installed around the sterilizing material discharging window 5 so that the fan can enhance the diffusing capability of the sterilizing material when it is operated.

Optionally, the sterilizing substance released by the sterilizing device comprises plasma. And a plasma release window 5 is arranged on the sterilizing device. As shown in fig. 2, the plasma discharge window 5 may be provided at a central portion, for example, a central portion, of one side of the sterilizing apparatus. More than one fan 4 is installed around the plasma discharge window 5 so that the fan can enhance plasma diffusion capability when it is operated.

Optionally, a locator 6 is provided on the sterilizing device, and the locator 6 can determine the position of the food in the storage space (e.g., the refrigerating chamber) of the refrigerator. The locator 6 may be an infrared locating device, and uses the infrared emitted by itself to locate, and the locator 6 is provided with an infrared emitter and a receiver, and determines whether food exists at the position according to the time tn from the emission to the reception of the infrared. When no food is placed, the time from the emission to the reception of the infrared ray is t, and when tn < t, the food is judged to be in the position. When the position of the food is determined, the positioner 6 moves together with the sterilizer 1 and continues to emit infrared rays (infrared rays are emitted only straight ahead). When tn < t, judging that food exists in the position and recording. The distance between the food and the sterilizer 1 can be determined according to the value of tn, and the position of the food can be determined by combining the current position of the sterilizer 1. In one embodiment, as shown in fig. 2, the retainer 6 is arranged in a central position of the sterilisation apparatus 1, beside the sterilisation substance release window 5.

The invention also provides a control method of the refrigerator according to any one of the embodiments.

Fig. 4 is a method schematic diagram of an embodiment of a control method of a refrigerator provided by the present invention.

As shown in fig. 4, according to an embodiment of the present invention, the control method includes at least step S110 and step S120.

And step S110, acquiring a set sterilization mode when the sterilization function of the refrigerator is started.

In one embodiment, the sterilization mode includes a first sterilization mode, a second sterilization mode, and a third sterilization mode. The sterilization mode may be set by a user. The user can select and set different sterilization modes according to needs. The first sterilization mode specifically comprises: after the sterilizing device is started, the sterilizing device moves in the storage space at a preset moving speed to sterilize the storage space, which can be called a deep sterilization mode; the second sterilization mode specifically comprises the following steps: after the sterilization device is started, the sterilization device moves to the current sterilization position determined according to the position of the food stored in the storage space to sterilize the storage space, which can be called as a common sterilization mode; the third sterilization mode specifically comprises: after the sterilization device is started, the sterilization device moves to a set position in the storage space to sterilize the storage space, which can be called a precise sterilization mode.

Optionally, when the sterilization function of the refrigerator is opened, judging whether a refrigerator door of the refrigerator is opened; and under the condition that the refrigerator door is not opened, controlling the sterilization module to move according to the set sterilization mode so as to sterilize the storage space of the refrigerator. Optionally, if the refrigerator door is judged to be opened, a prompt is made, for example, a user is prompted to close the refrigerator door.

And step S120, controlling the sterilization module to move according to the set sterilization mode so as to sterilize the storage space of the refrigerator.

In one embodiment, a guide rail 2 is provided in the storage space, and the sterilization device 1 is arranged on the guide rail 2 and can be moved in the storage space by means of the guide rail. Under the condition that the sterilization modes comprise a first sterilization mode, a second sterilization mode and a third sterilization mode, when the set sterilization mode is the first sterilization mode, controlling the sterilization device to be started and move in the storage space at a preset moving speed; when the set sterilization mode is a second sterilization mode, determining the current sterilization position according to the position of the food stored in the storage space; controlling the sterilization device to be started and moving to the sterilization position; and when the set sterilization mode is a third sterilization mode, controlling the sterilization device to be started and moving to a set position in the storage space.

Alternatively, the set position may be set by a user. Specifically, the positions of different foods in the storage space of the refrigerator are acquired, and the positions of the different foods are prompted, so that a user can select an accurate sterilization position according to the prompt. For example, the positions of different foods in the storage space can be obtained by a positioner, and the positioner feeds back the position information of the foods to the control system, so that the user can select the position to be sterilized from the positions.

In one embodiment, the distance between the sterilizing device and each food item in the storage space is identified by a locator; obtaining an average value of distances between the sterilizing device and each food in the storage space; and correcting the position of the sterilization device according to the average value, so that the sterilization device moves to a position where the absolute values of the deviation values of the average value and the distance between the sterilization device and each food are smaller than a preset deviation threshold value.

For example, the distances between the sterilization apparatus and each food item are D1 and D2 … … Dn, respectively, D = (D1 + D2 … … Dn)/n) is obtained by averaging D1 and D2 … … Dn, and the position of the sterilization apparatus is corrected based on the difference between D1 and D2 … … Dn and D, so that the sterilization apparatus is moved to the optimal sterilization position where the distance from each food item is closest to the average value D.

For example, when the user selects a deep sterilization mode (first sterilization mode), the sterilization apparatus is controlled to continuously move on the guide rail 2 at a preset moving speed, and the moving and the sterilization work are simultaneously performed, thereby achieving deep sterilization of the storage space. When the user selects the common sterilization mode (second sterilization mode), the sterilization optimal position is calculated according to the position information of the food fed back by the positioner, and the sterilization module is controlled to move to the optimal sterilization position for sterilization. In particular, the sterilization device may be driven to move to an optimal sterilization position by controlling a transmission of the sterilization device. When the user selects the precise sterilization mode (third sterilization mode), the user is prompted to select a location (i.e., a set location) where sterilization is required and to prompt the location of food in the refrigerating chamber of the refrigerator, and the sterilization module is controlled to move to the user-selected location according to the user-selected location. In particular, the movement of the sterilisation apparatus to a user selected position may be driven by controlling the actuator means of said sterilisation apparatus.

Optionally, a sterilizing material releasing window 5 is arranged on the sterilizing device, and at least one fan 4 is installed around the sterilizing material releasing window 5; and when the set sterilization mode is a second sterilization mode, controlling the at least one fan installed around the sterilizing substance release window to be turned on. For example, the sterilization position is plasma, and the plasma emitted from the sterilization device is diffused by the fan to sterilize the food and the surroundings thereof.

Further the method further comprises: when the sterilization device works, judging whether the working time of the sterilization device reaches a preset time or not; and if the working time reaches the preset time, controlling the sterilization device to stop working.

Specifically, when the sterilization device works, whether the working time (namely, the sterilization time) reaches the preset time T or not is judged in real time, when the sterilization time is more than or equal to T, the sterilization device stops working to prompt a user that the sterilization is finished, and when the sterilization time is less than T, the sterilization device continues working until the sterilization time is more than or equal to T.

The corresponding preset time T of different sterilization modes is different, and in the first sterilization mode, the corresponding preset time is first preset time; in the second sterilization mode, the corresponding preset time is a second preset time; in the third sterilization mode, the corresponding preset time is a third preset time; the first preset time is longer than the second preset time, and the second preset time is longer than the third preset time.

For example, in the deep sterilization mode, T =40min, when the sterilization apparatus is operating, the sterilization apparatus moves on the guide rail at a constant speed of 4mm/s, the length of the rail is 4.8m, and the operating time of one complete sterilization program is 40min (the sterilization apparatus moves on the rail twice). After moving to the tail end of the track, the sterilizing device automatically moves in the opposite direction. In a common sterilization mode, T =20min, the sterilization device works for 20min at the optimal sterilization position, and plasma released by the sterilization device is diffused under the action of the fan to sterilize the food and the periphery of the food. In the precise sterilization mode, T =10min, the sterilization device works for 10min at the position selected by the user, and fixed-point sterilization is completed.

Based on the above embodiment, the control method further includes: when the sterilizing device works, judging whether a refrigerator door of the refrigerator is opened or not; and if the refrigerator door is judged to be opened, controlling the sterilizing device to stop working.

Specifically, the sterilization device during operation judges whether the refrigerator door is opened in real time, and if the refrigerator door is opened, the sterilization device stops working, and the timing of the working time of the sterilization device is paused at the same time, and the user is prompted to close the door. After the user closes the refrigerator door, the sterilization device continues to work, and the working time of the sterilization device continues to be timed. In one embodiment, the door sensor can be used to determine whether the refrigerator door is open or closed. When the refrigerator door is not closed, the sterilization effect of the sterilization module is affected, and bacteria in the air continuously enter the refrigerator, so the refrigerator door needs to be sterilized when being closed.

In order to clearly illustrate the technical solution of the present invention, an execution flow of the control method of the refrigerator according to the present invention is described below with an embodiment.

Fig. 5 is a method schematic diagram of an embodiment of a control method of a refrigerator according to the present invention. As shown in fig. 5, when the user selects to open the sterilization function, first, the door sensor determines the state of the refrigerator door, and if the refrigerator door is in an open state, the sterilization is stopped, and the user is prompted to close the refrigerator door. If the door of the refrigerator is in a closed state, the positioner operates to recognize the position of food in the refrigerating chamber of the refrigerator. The user can select different sterilization modes according to the needs. When the user selects the deep sterilization mode (first sterilization mode), the control system controls the sterilization module to continuously move on the track, and the moving and the sterilization work are simultaneously carried out. When the user selects the common sterilization mode (the second sterilization mode), the optimal sterilization position is calculated according to the food position information fed back by the positioner, and the transmission device is controlled to drive the sterilization module to move to the optimal sterilization position. When the user selects the accurate sterilization mode (third sterilization mode), the user is prompted to select a position needing sterilization, the position of food in the refrigerating chamber of the refrigerator is prompted, the transmission device is controlled according to the position selected by the user, and the sterilization module is driven to move to the position selected by the user. When the sterilization module works, whether the refrigerator door is closed or not is judged in real time, if not, the sterilization module stops working, and meanwhile, timing is suspended, and a user is prompted to close the refrigerator door. After the user closes the refrigerator door, the sterilization module continues to work and continues to time. When the sterilization module works, whether the sterilization time is more than or equal to T is judged in real time, when the sterilization time is more than or equal to T, the sterilization module stops working to prompt a user that sterilization is finished, and when the sterilization time is less than T, the sterilization module continues working until the sterilization time is more than or equal to T.

The invention also provides a storage medium corresponding to the 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.

Therefore, according to the scheme provided by the invention, the sterilizing device capable of moving in the storage space is arranged, so that sterilizing substances can be rapidly and uniformly diffused, and the sterilizing efficiency is improved. The problem of traditional refrigerator that disinfects the function disinfect the material diffusion ability limited, the bactericidal effect has the dead angle is solved. According to the technical scheme of the invention, the sterilization device is controlled to move according to the set sterilization mode, so that sterilization control in multiple modes is realized, and the sterilization device can be controlled to move and work according to the food placement position and the sterilization mode selected by a user through the cooperation of the control system, the positioner and the transmission device, so that the sterilization efficiency and the intellectualization of the refrigerator are improved.

The storage space is provided with the zigzag embedded guide rail, and the sterilization device can move up and down and left and right in the refrigerating chamber, so that sterilization substances can be rapidly and uniformly diffused, and the sterilization efficiency and the sterilization speed are improved. Meanwhile, the sterilization device can move from one refrigerating space to another refrigerating space, sterilization of a plurality of refrigerating spaces can be achieved by using one sterilization device, and cost is reduced. The embedded design can avoid the storage object in sterilizing equipment and the storing space to interfere, and guarantee the smooth operation of sterilizing equipment.

The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software 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 following 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 into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.

The units described as separate parts may or may not be physically separate, and parts serving as control devices may or may not be physical units, may be located in one place, or may be distributed on multiple units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute 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), a removable hard disk, a magnetic or optical disk, and 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, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement 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. A refrigerator, characterized by comprising: a sterilizing device is arranged in the storage space of the refrigerator and can move in the storage space;

a guide rail is arranged in the storage space, and the sterilizing device is arranged on the guide rail and can move in the storage space by means of the guide rail; the guide rail is zigzag, so that the sterilizing device can move up and down, left and right in the storage space.

2. The refrigerator of claim 1, wherein the guide rail is an embedded guide rail;

the storage container in the storage space of the refrigerator is of a structure without a top surface, the bottom surface is rectangular or square, the side wall is trapezoidal, and the front wall is higher than the rear wall.

3. The refrigerator according to claim 1 or 2,

the sterilizing device is provided with a sterilizing substance releasing window, and more than one fan is arranged around the sterilizing substance releasing window;

and/or the presence of a gas in the gas,

the sterilizing device is provided with a positioner, and the positioner can judge the position of food in the storage space of the refrigerator.

4. The refrigerator of claim 3, wherein the sterilizing substance discharged from the sterilizing device includes plasma.

5. A control method of a refrigerator according to any one of claims 1 to 4, comprising:

when the sterilization function of the refrigerator is started, acquiring a set sterilization mode;

and controlling the sterilization device to move according to the set sterilization mode so as to sterilize the storage space of the refrigerator.

6. The method of claim 5,

the sterilization mode includes: a first sterilization mode, a second sterilization mode, and a third sterilization mode;

controlling the sterilization device to move according to the set sterilization mode so as to sterilize the storage space of the refrigerator; wherein the content of the first and second substances,

when the set sterilization mode is a first sterilization mode, controlling the sterilization device to be started, and moving in the storage space at a preset moving speed;

when the set sterilization mode is a second sterilization mode, determining the current sterilization position according to the position of the food stored in the storage space; controlling the sterilization device to be started and moving to the sterilization position;

and when the set sterilization mode is a third sterilization mode, controlling the sterilization device to be started and moving to a set position in the storage space.

7. The method as claimed in claim 6, wherein the sterilizing device is provided with a sterilizing material discharging window, and at least one fan is installed around the sterilizing material discharging window;

and when the set sterilization mode is a second sterilization mode, controlling the at least one fan installed around the sterilizing substance release window to be turned on.

8. The method of any one of claims 6-7, further comprising:

when the sterilization device works, judging whether the working time of the sterilization device reaches a preset time or not;

if the working time reaches the preset time, controlling the sterilization device to stop working;

in the first sterilization mode, the corresponding preset time is first preset time; in the second sterilization mode, the corresponding preset time is a second preset time; in the third sterilization mode, the corresponding preset time is a third preset time;

the first preset time is longer than the second preset time, and the second preset time is longer than the third preset time.

9. The method of any one of claims 6-7, further comprising:

when the sterilizing device works, judging whether a refrigerator door of the refrigerator is opened or not;

and if the refrigerator door is judged to be opened, controlling the sterilizing device to stop working.

10. The method of claim 8, further comprising:

11. A storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of any one of claims 5 to 10.