CN113915837A - Refrigerator and control method thereof - Google Patents

Refrigerator and control method thereof Download PDF

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Publication number
CN113915837A
CN113915837A CN202111133436.4A CN202111133436A CN113915837A CN 113915837 A CN113915837 A CN 113915837A CN 202111133436 A CN202111133436 A CN 202111133436A CN 113915837 A CN113915837 A CN 113915837A
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CN
China
Prior art keywords
nfc
food material
identification code
information
nfc tag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111133436.4A
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Chinese (zh)
Inventor
彭红亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Shandong Refrigerator Co Ltd
Original Assignee
Hisense Shandong Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisense Shandong Refrigerator Co Ltd filed Critical Hisense Shandong Refrigerator Co Ltd
Priority to CN202111133436.4A priority Critical patent/CN113915837A/en
Publication of CN113915837A publication Critical patent/CN113915837A/en
Priority to PCT/CN2022/118535 priority patent/WO2023040846A1/en
Priority to CN202280052395.2A priority patent/CN117813474A/en
Pending legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/06—Stock management
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a refrigerator and a control method thereof, wherein the refrigerator comprises: a box body; the NFC tags are provided with display screens; the NFC emitter is used for identifying the identification code of the first NFC label entering the detection area when detecting that the NFC label enters the detection area, and sending a food information acquisition request to the controller; the food material information acquisition request comprises an identification code of a first NFC label; a controller configured to: receiving a food material information acquisition request; acquiring food material information corresponding to the identification code of the first NFC tag from a preset food material database; sending the food material information to an NFC emitter; the food material information is used for indicating the NFC emitter to transmit electric energy and food material information to the first NFC label so as to drive the first NFC label to display the food material information on the display screen of the first NFC label. By adopting the embodiment of the invention, convenience in viewing and managing food material information can be improved, and user experience is improved.

Description

Refrigerator and control method thereof
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator and a control method of the refrigerator.
Background
The refrigerator with food material management function popular in the current market generally displays food material information through a refrigerator screen end and a mobile phone end which are installed on a refrigerator door. The inventor finds that the following technical problems exist in the prior art in the process of implementing the invention: when looking over edible material information, the user must close the refrigerator door or use the cell-phone end, and the convenience is relatively poor, and user experience degree is lower.
Disclosure of Invention
The embodiment of the invention provides a refrigerator and a control method of the refrigerator, which can improve convenience of checking and managing food material information and improve user experience.
In a first aspect, the present embodiment provides a refrigerator, including:
a box body;
the NFC tags are provided with display screens;
the NFC emitter is arranged on the box body and used for identifying the identification code of the first NFC label entering the detection area when detecting that an NFC label enters the detection area, and sending a food information acquisition request to the controller; the food material information acquisition request comprises an identification code of the first NFC tag;
the controller configured to:
receiving the food material information acquisition request;
acquiring food material information corresponding to the identification code of the first NFC tag from a preset food material database;
sending the food material information to the NFC emitter; the food material information is used for indicating the NFC emitter to transmit electric energy and the food material information to the first NFC label so as to drive the first NFC label to display the food material information on a display screen of the first NFC label.
As an improvement of the above scheme, the refrigerator further comprises an NFC tag storage device; a number of the NFC tags are housed within the NFC tag housing device when not in use.
As an improvement of the above scheme, the food material information includes a remaining period of validity;
the NFC label receiving device comprises a box body and an NFC reader-writer arranged on the box body;
the NFC reader-writer is used for identifying the identification code of a second NFC label leaving the box body when detecting that an NFC label leaves the box body, and sending a first information updating request to the controller; wherein the first information update request comprises an identification code of the second NFC tag;
the controller further configured to:
receiving the first information updating request;
starting a countdown timer corresponding to the identification code of the second NFC tag; the expiration time of the countdown timer is the shelf life of the food material corresponding to the second NFC tag, and the remaining validity period corresponding to the identification code of the second NFC tag in the preset food material database is set to be synchronously updated according to the countdown information of the countdown timer.
As an improvement of the above scheme, the NFC reader is further configured to, when it is detected that an NFC tag enters the cartridge, identify an identification code of a third NFC tag entering the cartridge, and send a second information update request to the controller; wherein the second information update request includes an identification code of the third NFC tag;
the controller further configured to:
receiving the second information updating request;
resetting a countdown timer corresponding to the identification code of the third NFC tag.
As an improvement of the above scheme, the preset food material database stores food material names and food material icons corresponding to the identification codes of the NFC tags; the food material information comprises the food material icon and the food material name.
In a second aspect, the present embodiment provides a control method of a refrigerator, including:
receiving a food material information acquisition request sent by an NFC emitter of a refrigerator; the food material information acquisition request is sent by the NFC emitter after identifying the identification code of the first NFC tag entering the detection area when detecting that one of the plurality of NFC tags of the refrigerator enters the detection area; the food material information acquisition request comprises an identification code of the first NFC tag;
acquiring food material information corresponding to the identification code of the first NFC tag from a preset food material database;
sending the food material information to the NFC emitter; the food material information is used for indicating the NFC emitter to transmit electric energy and the food material information to the first NFC label so as to drive the first NFC label to display the food material information on a display screen of the first NFC label.
As an improvement of the above scheme, the refrigerator comprises an NFC tag storage device; a number of the NFC tags are housed within the NFC tag housing device when not in use.
As an improvement of the above scheme, the food material information includes a remaining period of validity;
the NFC label receiving device comprises a box body and an NFC reader-writer arranged on the box body;
the method further comprises the following steps:
receiving a first information updating request sent by the NFC reader-writer; the first information updating request is sent by the NFC reader, when the NFC reader detects that an NFC label leaves the box body, the identification code of a second NFC label leaving the box body is identified; the first information update request includes an identification code of the second NFC tag;
starting a countdown timer corresponding to the identification code of the second NFC tag; the expiration time of the countdown timer is the shelf life of the food material corresponding to the second NFC tag, and the remaining validity period corresponding to the identification code of the second NFC tag in the preset food material database is set to be synchronously updated according to the countdown information of the countdown timer.
As an improvement of the above, the method further comprises:
receiving a second information updating request sent by the NFC reader-writer; the second information updating request is sent by the NFC reader, when detecting that an NFC label enters the box body, the NFC reader identifies an identification code of a third NFC label entering the box body; the second information update request includes an identification code of the third NFC tag;
resetting a countdown timer corresponding to the identification code of the third NFC tag.
As an improvement of the above scheme, the preset food material database stores food material names and food material icons corresponding to the identification codes of the NFC tags; the food material information comprises the food material icon and the food material name.
Compared with the prior art, the refrigerator and the control method of the refrigerator provided by the embodiment can provide electric energy and drive the display screen on the corresponding NFC tag to display corresponding food material information when a user needs to check the information related to food materials through the NFC emitter, so that the problem that the user can check the food material information only by checking the refrigerator screen end or the mobile phone end through closing the door is avoided, the user can directly check the food material information when opening the refrigerator door to select food materials, the convenience of checking and managing the food material information is improved, the user experience is improved, the battery does not need to be arranged in the NFC tag, the condition that the food material management fails due to the fact that the electric quantity of the battery is exhausted is avoided, and the condition that the tag is damaged due to the fact that the built-in battery of the NFC tag is corroded is also avoided.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an NFC transmitter according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an NFC tag according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another refrigerator according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an NFC tag receiving apparatus according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of a specific usage scenario of a refrigerator according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating a control method of a refrigerator according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "communicate", "mount", "connect", and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, a schematic structural diagram of a refrigerator 100 according to an embodiment of the present invention is shown.
The present embodiment provides a refrigerator 100 including:
a case 10;
the NFC tags 20 are provided with display screens;
the NFC emitter 30 is arranged on the box body 10 and used for identifying the identification code of the first NFC tag 20 entering the detection area when detecting that the NFC tag 20 enters the detection area and sending a food information acquisition request to the controller 40; wherein the food material information acquisition request includes the identification code of the first NFC tag 20;
the controller 40 configured to:
receiving the food material information acquisition request;
acquiring food material information corresponding to the identification code of the first NFC tag 20 from a preset food material database;
sending the food material information to the NFC transmitter 30; wherein the food material information is used for instructing the NFC transmitter 30 to transmit electric energy and the food material information to the first NFC tag 20, so as to drive the first NFC tag 20 to display the food material information on a display screen thereof.
Specifically, one or more compartments are provided in the box body 10, and a door body for opening and closing the compartments is mounted on the box body 10.
It can be understood that, in prior art, some refrigerators choose bluetooth tag for use and be used for eating the material management, but bluetooth tag distribution network step is loaded down with trivial details and distribution network success rate is low, and in this embodiment, NFC tag 20 chooses for use NFC tag 20 to eat the material management for the label that adopts near field communication technique, can overcome bluetooth tag distribution network step loaded down with trivial details and distribution network success rate low problem. Illustratively, one NFC tag 20 represents a food, an identification code of the NFC tag 20 is written into a chip of the NFC tag 20 before factory shipment for data transmission and use, and the identification code of the NFC tag 20 and food material information corresponding to the identification code, such as a food material name, an expiration date, a food material icon, and the like, may be pre-stored in a preset food material database, so that the controller 40 may obtain the food material information corresponding to the NFC tag 20 by querying from the preset food material database according to the identification code of the NFC tag 20. Further, the surface of the NFC tag 20 may be marked with identifications corresponding to different kinds of food materials, such as colors or patterns, for the user to identify and distinguish. The NFC tag 20 may be in the form of a rectangular or square card that can be clipped to a food item or attached to a food bag. When a user stores new foods in the refrigerator 100 or takes out all foods, the NFC tag 20 of the corresponding kind is put in or taken out together.
Illustratively, as shown in fig. 2, the NFC transmitter 30 may include an NFC antenna 31, an NFC chip 32 and a power transmitter MCU 33, and as shown in fig. 3, the NFC tag 20 may include an NFC antenna 21, an NFC chip 22 and a display 23, so that, when the NFC tag 20 enters the detection area of the NFC transmitter 30, the NFC transmitter 30 may provide energy to the NFC tag 20 by wireless transmission and drive the information display of the NFC tag 20. The detection area may be set according to actual requirements, and is not limited herein, for example, the detection area may be an area 10 centimeters away from the NFC transmitter 30. In addition, in this embodiment, the NFC transmitter 30 may be installed at a position close to the outer side of the box 10, the number of the NFC transmitters 30 is not limited, and may be one, or may be multiple, as shown in fig. 4, when a plurality of compartments are provided in the box 10, in order to improve convenience of querying the food material information, one NFC transmitter 30 may be provided in each compartment.
In a specific embodiment, when a user needs to check the related information of the food material, the food material equipped with the NFC tag 20 is close to the NFC transmitter 30; the NFC transmitter 30 detects that the NFC tag 20 enters a detection area, thereby identifying the identification code of the NFC tag 20, generating a food material information acquisition request according to the identification code of the tag, and then sending the food material information acquisition request to the controller 40; after receiving the food material information acquisition request, the controller 40 analyzes the identification code of the NFC tag 20 from the food material information acquisition request, queries food material information corresponding to the identification code of the NFC tag 20 from a preset food material database, and then sends the food material information to the NFC transmitter 30; the NFC transmitter 30 transmits the received food material information and the electric energy to the NFC tag 20 in a wireless manner, so that the NFC tag 20 acquires the electric energy and displays the food material information on its own display screen, and thus, a user can view the corresponding food material information on the display screen of the NFC tag 20.
Compared with the prior art, the refrigerator 100 provided by the embodiment can provide electric energy and drive the display screen on the corresponding NFC tag 20 to display the corresponding food material information when the user needs to check the information related to the food material, the problem that the user must check the screen end of the refrigerator 100 or check the mobile phone end to check the food material information when opening the door of the refrigerator 100 is avoided, the user can directly check the food material information when opening the door of the refrigerator 100 to select the food material, the convenience of checking and managing the food material information is improved, the user experience is improved, the battery does not need to be arranged in the NFC tag 20, the condition that the food material management fails due to the exhaustion of the electric quantity of the battery is avoided, and the condition that the tag is damaged due to the corrosion of the built-in battery of the NFC tag 20 is also avoided. In addition, the refrigerator 100 provided in this embodiment can also perform food material management when the refrigerator 100 is not networked and the refrigerator 100 end does not have an intelligent display screen, so that the refrigerator 100 can be conveniently used in places such as mountain areas or construction sites where networking is inconvenient for food material management.
As one of alternative embodiments, referring to fig. 1, in order to facilitate a user to receive and select an NFC tag 20, the refrigerator 100 further includes an NFC tag receiving device 50; a number of the NFC tags 20 are housed within the NFC tag housing device 50 when not in use.
For example, the NFC tag receiving device 50 may be disposed on a door shelf of the refrigerator 100, inside the refrigerator 100 casing 10, or outside the refrigerator 100 casing 10, and the like, which is not limited herein. As shown in fig. 4, the NFC tag storage device 50 is provided in a door.
Further, the food material information comprises a remaining period of validity;
the NFC tag storage device 50 includes a box body and an NFC reader disposed on the box body;
the NFC reader is configured to, when it is detected that an NFC tag 20 leaves the cartridge, identify an identifier of a second NFC tag 20 that leaves the cartridge, and send a first information update request to the controller 40; wherein the first information update request includes an identification code of the second NFC tag 20;
the controller 40 is further configured to:
receiving the first information updating request;
starting a countdown timer corresponding to the identification code of the second NFC tag 20; the expiration time of the countdown timer is the shelf life of the food material corresponding to the second NFC tag 20, and the remaining expiration period in the preset food material database corresponding to the identification code of the second NFC tag 20 is set to be updated synchronously according to the countdown information of the countdown timer.
For example, referring to fig. 5, the NFC reader is composed of an NFC reader chip 51 and an NFC antenna 52, in the NFC tag receiving device 50, a distance between the NFC tag 20 and the NFC reader antenna may be set to be less than 10 centimeters, and the NFC reader chip and the controller 40 may communicate in an interface manner such as UART, SPI, I2C, and the like.
In a specific embodiment, for each NFC tag 20, a countdown timer corresponding to the identification code of the NFC tag 20 may be preset in the controller 40, the expiration time of the countdown timer may be preset according to the expiration date of the food material type corresponding to the NFC tag 20, the remaining expiration date corresponding to the identification code of the NFC tag 20 in the preset food material database is set to be updated synchronously according to the countdown information of the countdown timer, so that, when a user needs to place a food material in the refrigerator 100, the NFC tag 20 corresponding to the food material is taken out from the NFC tag storage device 50, the NFC reader detects that the NFC tag 20 leaves the box, the identification code of the NFC tag 20 is identified and a first information update request is generated and sent to the controller 40, and when the controller 40 receives the first information update request, the identification code of the NFC tag 20 is analyzed, and the countdown timer corresponding to the identification code of the NFC tag 20 is started, so that the countdown timer can update the countdown information in real time, and thus, the remaining expiration date corresponding to the identification code of the NFC tag 20 in the preset food material database can be correspondingly updated to the countdown information of the countdown timer, thereby realizing the automatic calculation and display functions of the remaining expiration date of the food material.
Furthermore, the NFC reader is further configured to, when it is detected that an NFC tag 20 enters the cartridge, identify an identification code of a third NFC tag 20 entering the cartridge, and send a second information update request to the controller 40; wherein the second information update request includes the identification code of the third NFC tag 20;
the controller 40 is further configured to:
receiving the second information updating request;
resetting a countdown timer corresponding to the identification code of the third NFC tag 20.
In this embodiment, when the user takes out the food material, the NFC tag 20 set on the food material may be placed back into the NFC tag storage device 50, the NFC reader-writer detects that the NFC tag 20 enters the box body, at this time, the identification code of the NFC tag 20 is identified, a second information update request is generated and sent to the controller 40, and when the controller 40 receives the second information update request, the countdown timer corresponding to the identification code of the NFC tag 20 is reset, thereby preventing the remaining expiration date of the food material from being calculated incorrectly due to taking the tag next time, and improving the accuracy of food material management.
As one optional embodiment, the preset food material database stores food material names and food material icons corresponding to the identification codes of each NFC tag 20; the food material information comprises the food material icon and the food material name.
In a specific embodiment, the steps of a specific usage scenario of the refrigerator 100 are shown in fig. 6, and are not described herein again.
Fig. 7 is a schematic flow chart of a control method of a refrigerator according to an embodiment of the present invention.
The method for controlling a refrigerator provided in this embodiment may be applied to any refrigerator provided in the above embodiments, and specifically includes:
s21, receiving a food material information acquisition request sent by an NFC emitter of the refrigerator; the food material information acquisition request is sent by the NFC emitter after identifying the identification code of the first NFC tag entering the detection area when detecting that one of the plurality of NFC tags of the refrigerator enters the detection area; the food material information acquisition request comprises an identification code of the first NFC tag;
s22, acquiring food material information corresponding to the identification code of the first NFC label from a preset food material database;
s23, sending the food material information to the NFC emitter; the food material information is used for indicating the NFC emitter to transmit electric energy and the food material information to the first NFC label so as to drive the first NFC label to display the food material information on a display screen of the first NFC label.
Compared with the prior art, the control method of the refrigerator provided by the embodiment can provide electric energy and drive the display screen on the corresponding NFC label to display corresponding food material information when a user needs to check the information related to food materials through the NFC emitter, the problem that the user can check the food material information only by checking the refrigerator screen end or the mobile phone end through closing the door is avoided, the user can directly check the food material information when the refrigerator door is opened to select food materials, the convenience of checking and managing the food material information is improved, the user experience is improved, the battery does not need to be arranged in the NFC label, the condition that the food material management fails due to the fact that the electric quantity of the battery is exhausted is avoided, and the condition that the label is damaged due to the fact that the built-in battery of the NFC label is corroded is also avoided. In addition, the refrigerator that this embodiment provided also can not network at the refrigerator and the refrigerator end does not take the intelligent display screen the condition under and eat the material management, makes things convenient for places such as mountain area or building site that the networking is inconvenient to use the refrigerator to eat the material management.
As one of the optional embodiments, the refrigerator includes an NFC tag storage device; a number of the NFC tags are housed within the NFC tag housing device when not in use.
Further, the food material information comprises a remaining period of validity;
the NFC label receiving device comprises a box body and an NFC reader-writer arranged on the box body;
the method further comprises the following steps:
receiving a first information updating request sent by the NFC reader-writer; the first information updating request is sent by the NFC reader, when the NFC reader detects that an NFC label leaves the box body, the identification code of a second NFC label leaving the box body is identified; the first information update request includes an identification code of the second NFC tag;
starting a countdown timer corresponding to the identification code of the second NFC tag; the expiration time of the countdown timer is the shelf life of the food material corresponding to the second NFC tag, and the remaining validity period corresponding to the identification code of the second NFC tag in the preset food material database is set to be synchronously updated according to the countdown information of the countdown timer.
Still further, the method further comprises:
receiving a second information updating request sent by the NFC reader-writer; the second information updating request is sent by the NFC reader, when detecting that an NFC label enters the box body, the NFC reader identifies an identification code of a third NFC label entering the box body; the second information update request includes an identification code of the third NFC tag;
resetting a countdown timer corresponding to the identification code of the third NFC tag.
As one optional embodiment, the preset food material database stores food material names and food material icons corresponding to the identification codes of the NFC tags; the food material information comprises the food material icon and the food material name.
It should be noted that the control method for the refrigerator provided in the embodiment of the present invention may be applied to the refrigerator described in any embodiment, and it can be clearly understood by those skilled in the art that for convenience and brevity of description, specific descriptions and beneficial effects of the method in the embodiment described above may refer to corresponding descriptions and beneficial effects in the foregoing device embodiment, and details are not described herein again.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. A refrigerator, characterized by comprising:
a box body;
the NFC tags are provided with display screens;
the NFC emitter is arranged on the box body and used for identifying the identification code of the first NFC label entering the detection area when detecting that an NFC label enters the detection area, and sending a food information acquisition request to the controller; the food material information acquisition request comprises an identification code of the first NFC tag;
the controller configured to:
receiving the food material information acquisition request;
acquiring food material information corresponding to the identification code of the first NFC tag from a preset food material database;
sending the food material information to the NFC emitter; the food material information is used for indicating the NFC emitter to transmit electric energy and the food material information to the first NFC label so as to drive the first NFC label to display the food material information on a display screen of the first NFC label.
2. The refrigerator of claim 1, further comprising an NFC tag storage device; a number of the NFC tags are housed within the NFC tag housing device when not in use.
3. The refrigerator of claim 2, wherein the food material information includes a remaining period of validity;
the NFC label receiving device comprises a box body and an NFC reader-writer arranged on the box body;
the NFC reader-writer is used for identifying the identification code of a second NFC label leaving the box body when detecting that an NFC label leaves the box body, and sending a first information updating request to the controller; wherein the first information update request comprises an identification code of the second NFC tag;
the controller further configured to:
receiving the first information updating request;
starting a countdown timer corresponding to the identification code of the second NFC tag; the expiration time of the countdown timer is the shelf life of the food material corresponding to the second NFC tag, and the remaining validity period corresponding to the identification code of the second NFC tag in the preset food material database is set to be synchronously updated according to the countdown information of the countdown timer.
4. The refrigerator as claimed in claim 3, wherein the NFC reader is further configured to recognize an identification code of a third NFC tag entering the cartridge and send a second information update request to the controller when it is detected that an NFC tag enters the cartridge; wherein the second information update request includes an identification code of the third NFC tag;
the controller further configured to:
receiving the second information updating request;
resetting a countdown timer corresponding to the identification code of the third NFC tag.
5. The refrigerator of claim 1, wherein the preset food material database stores food material names and food material icons corresponding to the identification codes of each of the NFC tags; the food material information comprises the food material icon and the food material name.
6. A control method of a refrigerator, comprising:
receiving a food material information acquisition request sent by an NFC emitter of a refrigerator; the food material information acquisition request is sent by the NFC emitter after identifying the identification code of the first NFC tag entering the detection area when detecting that one of the plurality of NFC tags of the refrigerator enters the detection area; the food material information acquisition request comprises an identification code of the first NFC tag;
acquiring food material information corresponding to the identification code of the first NFC tag from a preset food material database;
sending the food material information to the NFC emitter; the food material information is used for indicating the NFC emitter to transmit electric energy and the food material information to the first NFC label so as to drive the first NFC label to display the food material information on a display screen of the first NFC label.
7. The method of controlling a refrigerator of claim 6, wherein the refrigerator includes an NFC tag storage device; a number of the NFC tags are housed within the NFC tag housing device when not in use.
8. The method of controlling a refrigerator of claim 7, wherein the food material information includes a remaining period of validity;
the NFC label receiving device comprises a box body and an NFC reader-writer arranged on the box body;
the method further comprises the following steps:
receiving a first information updating request sent by the NFC reader-writer; the first information updating request is sent by the NFC reader, when the NFC reader detects that an NFC label leaves the box body, the identification code of a second NFC label leaving the box body is identified; the first information update request includes an identification code of the second NFC tag;
starting a countdown timer corresponding to the identification code of the second NFC tag; the expiration time of the countdown timer is the shelf life of the food material corresponding to the second NFC tag, and the remaining validity period corresponding to the identification code of the second NFC tag in the preset food material database is set to be synchronously updated according to the countdown information of the countdown timer.
9. The method of controlling a refrigerator of claim 8, further comprising:
receiving a second information updating request sent by the NFC reader-writer; the second information updating request is sent by the NFC reader, when detecting that an NFC label enters the box body, the NFC reader identifies an identification code of a third NFC label entering the box body; the second information update request includes an identification code of the third NFC tag;
resetting a countdown timer corresponding to the identification code of the third NFC tag.
10. The method of claim 6, wherein the predetermined food material database stores therein food material names and food material icons corresponding to the identification codes of each of the NFC tags; the food material information comprises the food material icon and the food material name.
CN202111133436.4A 2021-09-14 2021-09-27 Refrigerator and control method thereof Pending CN113915837A (en)

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Application publication date: 20220111