CN113915892B - Refrigerator and sterilization control method - Google Patents

Refrigerator and sterilization control method Download PDF

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Publication number
CN113915892B
CN113915892B CN202110504738.1A CN202110504738A CN113915892B CN 113915892 B CN113915892 B CN 113915892B CN 202110504738 A CN202110504738 A CN 202110504738A CN 113915892 B CN113915892 B CN 113915892B
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Prior art keywords
sterilization
thawing
thawing chamber
working
chamber
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CN202110504738.1A
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CN113915892A (en
Inventor
侯同尧
李秀军
赵强
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Hisense Refrigerator Co Ltd
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Hisense Refrigerator Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/14—Plasma, i.e. ionised gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/04—Sensors detecting the presence of a person
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The invention discloses a refrigerator and a sterilization control method, when preset sterilization starting conditions are met, a refrigeration air inlet and outlet air duct and a heat dissipation air inlet and outlet air duct of a thawing chamber are controlled to be closed, and a door of the thawing chamber is controlled to be locked, so that the thawing chamber enters a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber; determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time; and controlling the sterilizer to perform sterilization operation according to the sterilization working parameters. By adopting the embodiment of the invention, the disinfection and sterilization of the thawing chamber can be effectively realized, and the efficiency and pertinence of the disinfection and sterilization process are improved.

Description

Refrigerator and sterilization control method
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator and a sterilization control method.
Background
With the rapid development of the technical field of refrigerators, the functions of the refrigerators are more and more, refrigerators capable of thawing foods appear on the market, and the refrigerators with radio frequency thawing have the advantages of rapid thawing and uniform heating and are widely applied.
However, the inventors found that the prior art has at least the following problems: the refrigerator with the thawing function can lead to exudation of thawing bleeding water because the thawing chamber is not taken immediately after thawing food in the later period of thawing food or thawing completion, the thawing chamber is easy to be polluted by bacteria or viruses, and cross pollution can be caused to other compartments, particularly the refrigerating chamber and the temperature changing chamber. The sterilization system of the whole refrigerator cannot realize the sterilization of the thawing chamber in a targeted manner, so that the cross contamination which is continuously increased in daily life is more and more serious, and the health of users is adversely affected.
Disclosure of Invention
The embodiment of the invention aims to provide a refrigerator and a sterilization control method, which can effectively realize sterilization of a thawing chamber, can not cause adverse effects on use of a user, and provide a good use experience for the user.
To achieve the above object, an embodiment of the present invention provides a refrigerator including:
a refrigerator body;
the thawing chamber is arranged in the refrigerator body;
the sterilizer is arranged in the thawing chamber and is used for sterilizing the thawing chamber;
a compartment temperature sensor; the device is arranged in the thawing chamber and is used for detecting the current compartment temperature of the thawing chamber;
and the controller is respectively connected with the thawing chamber, the sterilizer and the compartment temperature sensor and is used for:
when the preset sterilization starting condition is met, controlling a refrigerating air inlet and outlet air duct and a radiating air inlet and outlet air duct of the thawing chamber to be closed, and controlling a door of the thawing chamber to be locked so as to enable the thawing chamber to enter a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber;
determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time;
and controlling the sterilizer to perform sterilization operation according to the sterilization working parameters.
As an improvement of the scheme, the sterilizer is an ion sterilizer;
the sterilization working parameters further comprise the release concentration of sterilization ions; and the sterilization working time is the release time of the sterilization ions.
As an improvement of the above solution, the working information of the thawing chamber in the last thawing working mode includes: the temperature of the compartment, the defrosting duration or the type of food material thawed in the last defrosting working mode of the defrosting compartment;
and determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode, wherein the method specifically comprises the following steps:
when the working information is the compartment temperature of the thawing compartment in the last thawing working mode, acquiring a sterilization working parameter corresponding to the compartment temperature of the thawing compartment in the last thawing working mode according to a preset mapping relation between the compartment temperature and the sterilization working parameter; wherein the chamber temperature is positively correlated with the sterilization operating parameter;
when the working information is the defrosting time of the defrosting chamber in the last defrosting working mode, acquiring the sterilizing working parameter corresponding to the defrosting time of the defrosting chamber in the last defrosting working mode according to the mapping relation between the preset defrosting time and the sterilizing working parameter;
when the working information is the food material type thawed by the thawing chamber in the last thawing working mode, according to the preset mapping relation between the food material type and the sterilization working parameters, the sterilization working parameters corresponding to the food material type thawed by the thawing chamber in the last thawing working mode are obtained.
As an improvement of the above solution, after the controlling the sterilizer to perform the sterilization operation according to the sterilization operation parameters, the method further includes:
when the sterilizer finishes the sterilization operation, determining the waiting time of the thawing chamber according to the current compartment temperature of the thawing chamber detected by the compartment temperature sensor;
and after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode.
As an improvement of the above solution, the controlling the thawing chamber to exit the sterilization working mode specifically includes:
controlling the opening of a heat dissipation air inlet and outlet air duct of the thawing chamber;
after a first preset time period passes, controlling a cooling fan of the thawing chamber to start, and changing fresh air for the thawing chamber;
after a second preset time period passes, controlling the door of the thawing chamber to be unlocked;
when the current compartment temperature of the thawing chamber detected by the compartment temperature sensor is equal to the current environment temperature, the cooling fan of the thawing chamber and the cooling air inlet and outlet air duct are controlled to be closed, and the cooling air inlet and outlet air duct of the thawing chamber is controlled to be opened, so that the thawing chamber exits from the sterilization working mode.
As an improvement of the above, the refrigerator further includes:
the human body sensor is arranged outside the refrigerator body and used for identifying personnel information in the environment where the refrigerator is located; the personnel information comprises personnel activities and unmanned activities; the controller is connected with the human body sensor;
the preset sterilization starting conditions further include: no personnel is active in the environment where the refrigerator is located.
As an improvement of the above, the refrigerator further includes:
the photosensitive sensor is arranged outside the refrigerator body and used for detecting the light intensity in the environment where the refrigerator is located; the controller is connected with the photosensitive sensor;
the preset sterilization starting conditions further include: the light intensity in the environment where the refrigerator is located is smaller than a preset light intensity threshold.
As an improvement of the above, the refrigerator further includes:
the sterilization starting instruction receiving unit is used for receiving a sterilization starting instruction input by a user; the controller is connected with the sterilization starting instruction receiving unit;
the preset sterilization starting conditions further include: and receiving the sterilization starting instruction.
As an improvement of the above, the refrigerator further includes:
a sterilization stop instruction receiving unit for receiving a sterilization stop instruction input by a user; the controller is connected with the sterilization stop instruction receiving unit;
and after the thawing chamber is controlled to enter a sterilization working mode when the preset sterilization starting condition is met, the controller is further used for:
and when the sterilization stop instruction receiving unit is detected to receive the sterilization stop instruction, controlling the thawing chamber to exit the sterilization working mode.
The embodiment of the invention also provides a sterilization control method which is applied to the thawing chamber, and a sterilizer is arranged in the thawing chamber; the method comprises the following steps:
when the preset sterilization starting condition is met, controlling the thawing chamber to enter a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber;
determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time;
controlling the sterilizer to perform sterilization operation according to the sterilization working parameters;
after the sterilizer finishes the sterilization operation, determining the waiting time of the thawing chamber according to the current compartment temperature of the thawing chamber;
and after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode.
Compared with the prior art, the refrigerator and the sterilization control method disclosed by the invention have the advantages that when preset sterilization starting conditions are met, the refrigerating air inlet and outlet air duct and the radiating air inlet and outlet air duct of the thawing chamber are controlled to be closed, and the door of the thawing chamber is controlled to be locked, so that the thawing chamber enters a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber; determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time; controlling the sterilizer to perform sterilization operation according to the sterilization working parameters; after the sterilizer finishes the sterilization operation, determining the waiting time of the thawing chamber according to the current compartment temperature of the thawing chamber; and after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode. By adopting the embodiment of the invention, after the thawing chamber is thawed, the working parameters of the sterilizer in the sterilization mode can be intelligently controlled according to the working information of the thawing chamber in the thawing working mode, so that the sterilization of the thawing chamber is effectively realized, the efficiency and pertinence of the sterilization process are improved, the adverse effect on the use of a user is avoided, and good use experience is provided for the user.
Drawings
Fig. 1 is a schematic view of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic workflow diagram of a controller of a refrigerator according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a refrigerator according to a second embodiment of the present invention;
fig. 4 is a schematic step diagram of a sterilization control method according to a third embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a refrigerator according to a first embodiment of the present invention, and fig. 2 is a schematic working flow diagram of a controller of the refrigerator according to the first embodiment of the present invention. An embodiment of the present invention provides a refrigerator 10, including:
a refrigerator body 11;
a thawing chamber 12 provided in the refrigerator cabinet;
a sterilizer 13 disposed in the thawing chamber, for sterilizing the thawing chamber;
a compartment temperature sensor 14; the device is arranged in the thawing chamber and is used for detecting the current compartment temperature of the thawing chamber;
a controller 15 connected to the thawing chamber 12, the sterilizer 13, and the compartment temperature sensor 14, respectively, for performing steps S11 to S13:
s11, when preset sterilization starting conditions are met, controlling a refrigerating air inlet and outlet air duct and a radiating air inlet and outlet air duct of the thawing chamber to be closed, and controlling a door of the thawing chamber to be locked so that the thawing chamber enters a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber.
In the embodiment of the present invention, the controller 15 may obtain the working state of the thawing chamber in real time, and when detecting that the thawing chamber has completed thawing operation and detecting that a user takes out food materials in the thawing chamber, it determines that the sterilization start condition is currently satisfied, and then controls the thawing chamber to enter a sterilization working mode.
Preferably, when a preset sterilization starting condition is met, the refrigerating air inlet and outlet air duct and the radiating air inlet and outlet air duct of the thawing chamber are controlled to be closed, and the door of the thawing chamber is controlled to be locked, so that the thawing chamber enters a sterilization working mode.
Specifically, when the thawing chamber enters the sterilization mode, in order to improve a sterilization environment conforming to the conditions, the controller 15 controls the thawing chamber to close the cooling air inlet duct and the cooling air outlet duct of the thawing chamber, close the heat dissipation air inlet duct and the heat dissipation air outlet duct of the thawing chamber, and enable the electronic lock of the thawing chamber door to lock the thawing chamber door, and display a sterilization icon to indicate that the sterilization mode is currently entered.
Preferably, the refrigerator further comprises a camera, wherein the camera is arranged inside the thawing chamber and is used for shooting the internal environment of the thawing chamber.
The controller can judge whether food materials are thawed and the type of the food materials exist in the thawing chamber or not by acquiring the image of the internal environment of the thawing chamber, which is shot by the camera, and comparing the image with a preset image data set.
Optionally, after receiving the image of the internal environment of the thawing chamber captured by the camera, the controller performs analysis and calculation through a pre-trained image classification model to determine whether or not the thawing food material and the food material type exist in the thawing chamber.
The image classification model and the training method thereof can adopt a neural network model and the training method thereof in the prior art, and are not described in detail herein.
S12, determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time.
In order to improve the sterilization pertinence of the sterilizer, after the thawing chamber enters a sterilization operation mode, the controller 15 determines the sterilization operation duration of the sterilizer according to the operation information detected when the thawing chamber is in the last thawing operation mode.
In one embodiment, the working information of the thawing chamber in the last thawing working mode is: the thawing chamber has a chamber temperature at the last thawing mode of operation.
The step S12 specifically includes:
s121, acquiring the sterilization working time length corresponding to the compartment temperature of the thawing compartment in the last thawing working mode according to the preset mapping relation between the compartment temperature and the sterilization working time length; wherein, the chamber temperature is positively correlated with the sterilization working time.
Specifically, the compartment temperature sensor detects the compartment temperature of the thawing compartment in real time and sends the detected compartment temperature to the controller 15, when the controller 15 determines that the thawing compartment is in a thawing operation mode, the compartment temperature of the thawing compartment is obtained and stored, when a preset sterilization starting condition is met, and after the thawing compartment enters the sterilization operation mode, the controller 15 invokes the stored compartment temperature of the thawing compartment in the last thawing operation mode, and searches a mapping relation between the preset compartment temperature and the sterilization operation time to determine the corresponding sterilization operation time.
As an example, when the inter-chamber temperature of the thawing chamber is higher than 50 degrees celsius, determining that the sterilization working time period is 10 minutes; when the room temperature of the thawing chamber is lower than 35 ℃, determining that the sterilization working time is 5 minutes; and when the room temperature of the thawing chamber is between 35 and 50 ℃, determining that the sterilization working time is 8 minutes.
It should be noted that, the compartment temperature of the thawing compartment at the end of the last thawing mode may be directly obtained as the compartment temperature of the thawing compartment at the end of the last thawing mode; the average temperature of the compartment of the thawing compartment during the thawing period of the last thawing working mode can also be obtained and used as the compartment temperature of the thawing compartment during the last thawing working mode, and the beneficial effects obtained by the invention are not affected.
It will be appreciated that the above scenario is merely taken as an example, and in practical application, the mapping relationship between the corresponding compartment temperature (or compartment temperature range) and the sterilization working period may be set according to the operation condition of the refrigerator, human experience, etc., which is not limited herein specifically.
In another embodiment, the working information of the thawing chamber in the last thawing working mode is: and the thawing time of the thawing chamber in the last thawing working mode.
The step S12 specifically includes:
s122, acquiring the sterilization working time length corresponding to the defrosting time length of the defrosting chamber in the last defrosting working mode according to the preset mapping relation between the defrosting time length and the sterilization working time length.
In an embodiment of the present invention, the refrigerator further includes a timer, where the timer is configured to calculate a time length of the thawing chamber in a thawing operation mode, and send the calculated thawing time length to the controller 15 when the thawing chamber exits the thawing operation mode.
And the controller 15 searches a mapping relation between the preset defrosting time and the sterilizing time according to the defrosting time sent by the timer so as to determine the corresponding sterilizing time.
The defrosting time length and the sterilizing time length are in positive correlation. It can be appreciated that in practical application, the mapping relationship between the defrosting time period and the sterilizing time period may be set according to the operation condition of the refrigerator, human experience, etc., which is not limited herein.
In another embodiment, the working information of the thawing chamber in the last thawing working mode is: the thawing chamber is configured to thaw a type of food material in a previous thawing mode of operation.
The step S12 specifically includes:
s123, acquiring the sterilization working time length corresponding to the food material type thawed in the last thawing working mode of the thawing chamber according to the preset mapping relation between the food material type and the sterilization working time length.
Specifically, the controller 15 acquires an image of the internal environment of the thawing chamber captured by the camera, and determines the type of food material in the thawing chamber. When the controller 15 determines that the thawing chamber is in a thawing mode, the type of food material thawed by the thawing chamber in the last thawing mode is determined and stored. And when a preset sterilization starting condition is met, and the thawing chamber enters a sterilization working mode, the controller 15 calls the stored food material type thawed by the thawing chamber in the last thawing working mode, and searches a mapping relation between the preset food material type and the sterilization working time to determine the corresponding sterilization working time.
It can be appreciated that in practical application, the mapping relationship between the corresponding food material type and the sterilization working time period can be set according to the operation condition of the refrigerator, the artificial experience, and the like, which is not particularly limited herein.
Preferably, the sterilizer is an ion sterilizer; the sterilization working time is the release time of the sterilization ions.
Optionally, the sterilizing ion is ozone.
It is understood that the sterilizing ion may be other ion having a sterilizing effect, which is not particularly limited in the present invention.
Preferably, the sterilization operation parameter further includes a release concentration of sterilizing ions.
When the working information is the compartment temperature of the thawing compartment in the last thawing working mode, acquiring the release concentration of the sterilizing ions corresponding to the compartment temperature of the thawing compartment in the last thawing working mode according to a preset mapping relation between the compartment temperature and the release concentration of the sterilizing ions; wherein the chamber temperature is positively correlated to the concentration of the sterilizing ions released;
when the working information is the defrosting time of the defrosting chamber in the last defrosting working mode, according to the mapping relation between the preset defrosting time and the release concentration of sterilizing ions, the release concentration of sterilizing ions corresponding to the defrosting time of the defrosting chamber in the last defrosting working mode is obtained;
when the working information is the food material type thawed by the thawing chamber in the last thawing working mode, the release concentration of the sterilizing ions corresponding to the food material type thawed by the thawing chamber in the last thawing working mode is obtained according to the preset mapping relation between the food material type and the release concentration of the sterilizing ions.
S13, controlling the sterilizer to perform sterilization operation according to the sterilization working parameters.
After the sterilization working parameters of the sterilizer are determined, the sterilizer is controlled to be started, the sterilization operation is carried out according to the sterilization working parameters, and after the sterilization working time is up, the sterilization operation is stopped.
As an example, the sterilization operation parameters include a release time period of sterilizing ions and a release concentration of sterilizing ions, assuming that the release time period is determined to be 10 minutes and the release concentration is 1%, and then the ion sterilizer is started to release sterilizing ions, the release concentration is maintained to be 1%, and the release time period is determined to be 10 minutes. After 10 minutes, the ion sterilizer is turned off.
By adopting the embodiment of the invention, the radio-frequency thawing chamber of the refrigerator can be sterilized and disinfected in a targeted manner, the clean and clean of the thawing chamber is ensured, and the user experience is improved.
As a preferred embodiment, after step S13, the controller 15 in the embodiment of the present invention is further configured to perform steps S14 and S15:
and S14, when the sterilizer finishes the sterilization operation, determining the waiting time of the thawing chamber according to the current chamber temperature of the thawing chamber detected by the chamber temperature sensor.
It should be noted that the waiting time period refers to a waiting time period required for the thawing chamber to maintain a current state until the sterilization operation mode is exited after the sterilizer completes the sterilization operation.
Specifically, after the sterilizer finishes the sterilization operation, the controller receives the current compartment temperature of the thawing compartment detected by the compartment sensor 14, and determines a corresponding waiting time period according to a preset mapping relationship between compartment temperature and waiting time period.
As an example, when the inter-chamber temperature of the thawing chamber is higher than 40 degrees celsius, the waiting period is determined to be 20 minutes; when the compartment temperature of the thawing compartment is lower than 40 degrees celsius, the waiting time period is determined to be 30 minutes.
It will be appreciated that the above scenario is merely taken as an example, and in practical application, the mapping relationship between the corresponding compartment temperature (or compartment temperature range) and the waiting time period may be set according to the operation condition of the refrigerator, human experience, etc., which is not specifically limited herein.
And S15, after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode.
Preferably, step S15 specifically includes:
s151, controlling a heat dissipation air inlet and outlet air duct of the thawing chamber to be opened;
s152, after a first preset time period passes, controlling a cooling fan of the thawing chamber to start, and exchanging fresh air for the thawing chamber;
s153, controlling the door of the thawing chamber to be unlocked after a second preset time period elapses;
and S154, when the current compartment temperature of the thawing chamber detected by the compartment temperature sensor is equal to the current environment temperature, controlling a cooling fan of the thawing chamber, the cooling air inlet and outlet air duct to be closed, and controlling a refrigerating air inlet and outlet air duct of the thawing chamber to be opened so that the thawing chamber exits from the sterilization working mode.
Specifically, when the thawing chamber exits the sterilization mode, the controller 15 opens the cooling damper of the thawing chamber, that is, opens the cooling air inlet duct and the cooling air outlet duct, so that the residual sterilizing ions slowly overflow the thawing chamber. After a first preset period of time, for example 10 minutes, the cooling fan of the thawing chamber is started, and fresh air is exchanged for the thawing chamber for a second preset period of time, for example 1 minute. And then enabling the electronic lock of the door of the thawing chamber to unlock the door of the thawing chamber and simultaneously unlock the sterilization icon to indicate that sterilization is finished.
It can be understood that the first preset duration and the second preset duration may be set according to actual situations, and the foregoing examples do not limit the present solution.
Further, the refrigerator further includes an ambient temperature sensor, disposed outside the refrigerator body, for detecting a current ambient temperature of an environment in which the refrigerator is located, and transmitting the detected current ambient temperature to the controller 15.
Further, when the controller 15 confirms that the room temperature in the thawing chamber is close to the ambient temperature according to the ambient temperature detected by the ambient temperature sensor, the heat dissipation fan is turned off, the heat dissipation air inlet duct and the heat dissipation air outlet duct are turned off, and the refrigerating air inlet duct and the refrigerating air outlet duct are turned on, so that the thawing chamber is restored to a normal refrigerating state.
The first embodiment of the invention provides a refrigerator, which comprises a thawing chamber, a sterilizer, a compartment temperature sensor and a controller; the controller is used for: when the preset sterilization starting condition is met, controlling the thawing chamber to enter a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber; determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time; controlling the sterilizer to perform sterilization operation according to the sterilization working parameters; after the sterilization operation of the sterilizer is finished, determining the waiting time of the thawing chamber according to the current compartment temperature of the thawing chamber detected by the compartment temperature sensor; and after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode. By adopting the embodiment of the invention, after the thawing chamber is thawed, the working parameters of the sterilizer in the sterilization mode can be intelligently controlled according to the working information of the thawing chamber in the thawing working mode, so that the sterilization of the thawing chamber is effectively realized, the efficiency and pertinence of the sterilization process are improved, the adverse effect on the use of a user is avoided, and good use experience is provided for the user.
Referring to fig. 3, a schematic structural diagram of a refrigerator according to a second embodiment of the present invention is shown. The second embodiment of the present invention provides a refrigerator 20, which is further implemented on the basis of the first embodiment.
In one embodiment, the refrigerator 20 further includes:
the human body sensor is arranged outside the refrigerator body and used for identifying personnel information in the environment where the refrigerator is located; the personnel information includes personnel activities and unmanned activities.
The controller is connected with the human body sensor and is used for receiving whether personnel activities exist in the current environment where the refrigerator is located or not, which is detected by the human body sensor.
On the basis, the thawing chamber of the refrigerator is provided with an intelligent sterilization mode, and when the refrigerator is in the intelligent sterilization mode, sterilization starting conditions of the intelligent sterilization mode further comprise: no personnel is active in the environment where the refrigerator is located.
Specifically, when the refrigerator is configured in an intelligent sterilization mode, the controller detects that the thawing chamber has completed thawing operation, detects that a user takes out food materials in the thawing chamber, and when no personnel are active in the environment where the refrigerator is located, determines that the sterilization starting condition is met currently, and controls the thawing chamber to enter a sterilization working mode.
By adopting the technical means of the embodiment of the invention, the refrigerator can intelligently control the sterilizer to sterilize the thawing chamber according to the activity condition of a user and the thawing condition of the thawing chamber, and the refrigerator is not adversely affected by the user, so that a good use experience is provided for the user.
In one embodiment, the refrigerator 20 further includes:
the photosensitive sensor is arranged outside the refrigerator body and used for detecting the light intensity in the environment where the refrigerator is located.
The controller is connected with the photosensitive sensor; the light intensity detection device is used for acquiring the current light intensity detected by the photosensitive sensor in real time.
On the basis, the thawing chamber of the refrigerator is provided with a night sterilization mode, and when the refrigerator is in the night sterilization mode, the preset sterilization starting conditions further comprise: the light intensity in the environment where the refrigerator is located is smaller than a preset light intensity threshold.
Specifically, when the refrigerator is in a night sterilization mode, the controller detects that the thawing chamber is not in a thawing working mode, detects that no food material is stored in the thawing chamber, and when the light intensity in the environment where the refrigerator is located is smaller than a preset light intensity threshold value, the controller judges that the sterilization starting condition is met currently, and controls the thawing chamber to enter the sterilization working mode.
It should be noted that, the preset light intensity threshold is used to represent the light intensity at night, that is, when the light intensity in the environment where the refrigerator is located is less than the preset light intensity threshold, it indicates that the refrigerator is currently at night. The light intensity threshold may be set according to practical situations, and is not particularly limited herein.
Preferably, in order to avoid errors in the detected light intensity caused by shielding of the detection portion of the photosensitive sensor, in the embodiment of the present invention, after the controller determines that the light intensity in the environment where the refrigerator is located is less than the preset light intensity threshold, a timer is started, and after a certain time delay, for example, 1 hour, if the light intensity in the environment where the refrigerator is still detected to be less than the preset light intensity threshold, the thawing chamber is controlled to enter the sterilization working mode.
By adopting the technical means of the embodiment of the invention, the refrigerator can regularly control the sterilizer to sterilize the thawing chamber according to the activity condition of a user and the thawing condition of the thawing chamber, and the refrigerator is not adversely affected by the user, so that good use experience is provided for the user.
In one embodiment, the refrigerator 20 further includes:
and the sterilization starting instruction receiving unit is used for receiving the sterilization starting instruction input by the user.
The controller is connected with the sterilization starting instruction receiving unit and is used for detecting whether the sterilization starting instruction receiving unit receives a sterilization starting instruction input by a user.
On the basis, the thawing chamber of the refrigerator is provided with a manual sterilization mode, and when the refrigerator is in the manual sterilization mode, the preset sterilization starting conditions further comprise: and receiving the sterilization starting instruction.
Specifically, when the refrigerator is in a manual sterilization mode, the controller detects that the thawing chamber is not in a thawing working mode, detects that no food material is stored in the thawing chamber, and when the sterilization starting instruction is received, the controller judges that the sterilization starting condition is met currently, and controls the thawing chamber to enter the sterilization working mode.
It is understood that the sterilization start instruction receiving unit may be configured as a plurality of hardware structures such as a key, a switch, a touch screen, and the like. For example, when the sterilization start instruction receiving unit is configured in the form of a key, the user inputs a sterilization start instruction by pressing the key. The present invention is not particularly limited herein.
By adopting the technical means of the embodiment of the invention, the refrigerator can manually control the sterilizer to sterilize the thawing chamber according to the actual requirement of a user and the thawing condition of the thawing chamber, and can effectively meet the use requirement of the user, thereby providing a good use experience for the user.
As a preferred embodiment, the refrigerator 20 further includes:
and the sterilization stop instruction receiving unit is used for receiving the sterilization stop instruction input by the user.
The controller is connected with the sterilization stop instruction receiving unit and is used for detecting whether the sterilization stop instruction receiving unit receives a sterilization stop instruction input by a user.
On the basis, the thawing chamber of the refrigerator is provided with a function of manually releasing a sterilization working mode, and if the sterilization process is not finished but food materials need to be thawed, a user can input a sterilization stopping instruction through the sterilization stopping instruction receiving unit to manually terminate the sterilization process.
And when the controller detects that the sterilization stop instruction receiving unit receives the sterilization stop instruction, the controller controls the thawing chamber to exit the sterilization working mode.
It is understood that the sterilization stop instruction receiving unit may be configured as a variety of hardware structures such as a key, a switch, a touch screen, and the like. For example, when the sterilization stop instruction receiving unit is configured in the form of a key, the user inputs a sterilization stop instruction by pressing the key. The present invention is not particularly limited herein.
As a preferred embodiment, after the user manually controls the thawing chamber to exit the sterilization working mode, the controller turns off the ion sterilizer, starts the heater in the thawing chamber, accelerates sterilization ion decay, reaches a specified temperature, for example 120 ℃, and maintains the temperature for a certain period of time, for example 2 minutes, starts the heating wire mesh in the heat dissipation air outlet duct, opens the heat dissipation air door, starts the thawing heat dissipation fan, exchanges fresh air for the thawing chamber for 1 minute, closes the heating wire mesh in the heat dissipation air outlet duct, unlocks the thawing chamber door lock, and the sterilization is ended.
By adopting the technical means of the embodiment of the invention, the refrigerator can control the starting and stopping of the sterilization working mode of the thawing chamber according to the actual demands of users, and can effectively meet the use demands of the users, thereby providing a good use experience for the users.
Referring to fig. 4, a schematic step diagram of a sterilization control method according to a third embodiment of the present invention is provided. The embodiment of the invention provides a sterilization control method which is suitable for a refrigeration product such as a refrigerator or a freezer provided with a thawing chamber, wherein a sterilizer is arranged in the thawing chamber.
The control method is specifically performed by steps S31 to S35:
s31, when a preset sterilization starting condition is met, controlling a refrigerating air inlet and outlet air duct and a radiating air inlet and outlet air duct of the thawing chamber to be closed, and controlling a door of the thawing chamber to be locked so as to enable the thawing chamber to enter a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber;
s32, determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time;
s33, controlling the sterilizer to perform sterilization operation according to the sterilization working parameters;
s34, when the sterilizer finishes the sterilization operation, determining the waiting time of the thawing chamber according to the current compartment temperature of the thawing chamber;
and S35, after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode.
It should be noted that, in the sterilization control method provided by the embodiment of the present invention, all the flow steps executed by the controller in the refrigerator provided by the first or second embodiment are the same, and the working principles and beneficial effects of the two are in one-to-one correspondence, so that the detailed description is omitted.
The embodiment of the invention provides a sterilization control method, which is used for controlling a thawing chamber to enter a sterilization working mode when preset sterilization starting conditions are met; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber; determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time; controlling the sterilizer to perform sterilization operation according to the sterilization working parameters; after the sterilizer finishes the sterilization operation, determining the waiting time of the thawing chamber according to the current compartment temperature of the thawing chamber; and after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode. By adopting the embodiment of the invention, after the thawing chamber is thawed, the working parameters of the sterilizer in the sterilization mode can be intelligently controlled according to the working information of the thawing chamber in the thawing working mode, so that the sterilization of the thawing chamber is effectively realized, the efficiency and pertinence of the sterilization process are improved, the adverse effect on the use of a user is avoided, and good use experience is provided for the user.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM), a random access memory (RandomAccessMemory, RAM), or the like.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.

Claims (10)

1. A refrigerator, comprising:
a refrigerator body;
the thawing chamber is arranged in the refrigerator body;
the sterilizer is arranged in the thawing chamber and is used for sterilizing the thawing chamber;
a compartment temperature sensor; the device is arranged in the thawing chamber and is used for detecting the current compartment temperature of the thawing chamber;
and the controller is respectively connected with the thawing chamber, the sterilizer and the compartment temperature sensor and is used for:
when the preset sterilization starting condition is met, controlling a refrigerating air inlet and outlet air duct and a radiating air inlet and outlet air duct of the thawing chamber to be closed, and controlling a door of the thawing chamber to be locked so as to enable the thawing chamber to enter a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber;
determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time;
controlling the sterilizer to perform sterilization operation according to the sterilization working parameters;
the working information of the thawing chamber in the last thawing working mode comprises the following steps: the thawing chamber has a chamber temperature, thawing duration or type of food material thawed in the last thawing mode.
2. The refrigerator of claim 1, wherein the sterilizer is an ion sterilizer;
the sterilization working parameters further comprise the release concentration of sterilization ions; and the sterilization working time is the release time of the sterilization ions.
3. The refrigerator as claimed in claim 2, wherein the determining of the sterilization operation parameters of the sterilizer based on the operation information of the thawing chamber in the previous thawing operation mode comprises:
when the working information is the compartment temperature of the thawing compartment in the last thawing working mode, acquiring a sterilization working parameter corresponding to the compartment temperature of the thawing compartment in the last thawing working mode according to a preset mapping relation between the compartment temperature and the sterilization working parameter; wherein the chamber temperature is positively correlated with the sterilization operating parameter;
when the working information is the defrosting time of the defrosting chamber in the last defrosting working mode, acquiring the sterilizing working parameter corresponding to the defrosting time of the defrosting chamber in the last defrosting working mode according to the mapping relation between the preset defrosting time and the sterilizing working parameter;
when the working information is the food material type thawed by the thawing chamber in the last thawing working mode, according to the preset mapping relation between the food material type and the sterilization working parameters, the sterilization working parameters corresponding to the food material type thawed by the thawing chamber in the last thawing working mode are obtained.
4. The refrigerator of claim 1, wherein after said controlling said sterilizer to perform a sterilization operation according to said sterilization operation parameters, said controller is further configured to:
when the sterilizer finishes the sterilization operation, determining the waiting time of the thawing chamber according to the current compartment temperature of the thawing chamber detected by the compartment temperature sensor;
and after the waiting time is over, controlling the thawing chamber to exit the sterilization working mode.
5. The refrigerator of claim 4, wherein said controlling said thawing chamber to exit said sterilization mode of operation comprises:
controlling the opening of a heat dissipation air inlet and outlet air duct of the thawing chamber;
after a first preset time period passes, controlling a cooling fan of the thawing chamber to start, and changing fresh air for the thawing chamber;
after a second preset time period passes, controlling the door of the thawing chamber to be unlocked;
when the current compartment temperature of the thawing chamber detected by the compartment temperature sensor is equal to the current environment temperature, the cooling fan of the thawing chamber and the cooling air inlet and outlet air duct are controlled to be closed, and the cooling air inlet and outlet air duct of the thawing chamber is controlled to be opened, so that the thawing chamber exits from the sterilization working mode.
6. The refrigerator of claim 1, further comprising:
the human body sensor is arranged outside the refrigerator body and used for identifying personnel information in the environment where the refrigerator is located; the personnel information comprises personnel activities and unmanned activities; the controller is connected with the human body sensor;
the preset sterilization starting conditions further include: no personnel is active in the environment where the refrigerator is located.
7. The refrigerator of claim 1, further comprising:
the photosensitive sensor is arranged outside the refrigerator body and used for detecting the light intensity in the environment where the refrigerator is located; the controller is connected with the photosensitive sensor;
the preset sterilization starting conditions further include: the light intensity in the environment where the refrigerator is located is smaller than a preset light intensity threshold.
8. The refrigerator of claim 1, further comprising:
the sterilization starting instruction receiving unit is used for receiving a sterilization starting instruction input by a user; the controller is connected with the sterilization starting instruction receiving unit;
the preset sterilization starting conditions further include: and receiving the sterilization starting instruction.
9. The refrigerator of claim 1, further comprising:
a sterilization stop instruction receiving unit for receiving a sterilization stop instruction input by a user; the controller is connected with the sterilization stop instruction receiving unit;
and after the thawing chamber is controlled to enter a sterilization working mode when the preset sterilization starting condition is met, the controller is further used for:
and when the sterilization stop instruction receiving unit is detected to receive the sterilization stop instruction, controlling the thawing chamber to exit the sterilization working mode.
10. The sterilization control method is characterized by being applied to a thawing chamber, wherein a sterilizer is arranged in the thawing chamber; the method comprises the following steps:
when the preset sterilization starting condition is met, controlling a refrigerating air inlet and outlet air duct and a radiating air inlet and outlet air duct of the thawing chamber to be closed, and controlling a door of the thawing chamber to be locked so as to enable the thawing chamber to enter a sterilization working mode; the preset sterilization starting conditions comprise that the thawing chamber exits from a thawing working mode and no food material is thawed in the thawing chamber;
determining sterilization working parameters of the sterilizer according to the working information of the thawing chamber in the last thawing working mode; the sterilization working parameters comprise sterilization working time;
controlling the sterilizer to perform sterilization operation according to the sterilization working parameters;
the working information of the thawing chamber in the last thawing working mode comprises the following steps: the thawing chamber has a chamber temperature, thawing duration or type of food material thawed in the last thawing mode.
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