CN113915945B - Refrigerator and control method thereof - Google Patents

Refrigerator and control method thereof Download PDF

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Publication number
CN113915945B
CN113915945B CN202110737290.8A CN202110737290A CN113915945B CN 113915945 B CN113915945 B CN 113915945B CN 202110737290 A CN202110737290 A CN 202110737290A CN 113915945 B CN113915945 B CN 113915945B
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Prior art keywords
food material
refrigerator
food
antenna
tag
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CN113915945A (en
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陈红欣
刘兆祥
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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
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

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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 of the refrigerator, wherein when a tag positioning starting condition is determined to be met, a first RFID module is controlled to conduct tag identification through each first antenna until a tag positioning stopping condition is determined to be met, a first information set is obtained, then a storage position corresponding to the number of each first target RFID tag is determined according to a first corresponding relation between a preconfigured antenna number and a storage partition and the first information set, a food material information base is updated, then a second RFID module is controlled to conduct tag identification through each second antenna arranged in an inner container of a refrigerator body, the number of at least one second target RFID tag is obtained, and then food material management is conducted according to the number of each second target RFID tag and the food material information base, so that food material information stored in the refrigerator can be automatically identified, food material management is conducted, and user experience and intelligent food material management of the refrigerator are facilitated.

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
Refrigerators are becoming one of the indispensable home appliances in the life of people. Along with the development of scientific technology, intelligent refrigerators capable of intelligently managing information of food materials stored therein have been manufactured at present, however, the food management mode provided by the existing intelligent refrigerators generally requires manual addition of information of the food materials, is complex in operation and has poor user experience.
Disclosure of Invention
The embodiment of the invention provides a refrigerator and a control method thereof, which can automatically identify food material information stored in the refrigerator and manage food materials, thereby being beneficial to improving user experience and the intellectualization of the refrigerator for managing food materials.
An embodiment of the present invention provides a refrigerator including:
the box body is internally provided with at least one storage partition, and the opening of each storage partition is provided with at least one first antenna with an identification area being the opening area of the storage partition; at least one second antenna with an identification area being the internal area of the box body is arranged in the liner of the box body;
a plurality of RFID tags for identification on food materials;
a first RFID module connected with each first antenna;
the second RFID modules are connected with each second antenna;
a controller configured to:
when the tag positioning starting condition is determined to be met, controlling the first RFID module to perform tag identification through each first antenna until the tag positioning stopping condition is determined to be met, and obtaining a first information set; wherein the first information set includes a number of at least one first target RFID tag and a number of a first antenna read to the first target RFID tag;
determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a preconfigured antenna number and a storage partition and the first information set, and updating a food material information base; the food material information base comprises the number of each RFID tag and the corresponding food material information, wherein the food material information comprises a storage position and a food material name;
controlling the second RFID module to perform tag identification through each second antenna to obtain the number of at least one second target RFID tag;
and carrying out food management according to the serial numbers of the second target RFID tags and the food information base.
As an improvement of the scheme, the working frequency of the RFID tag comprises 13.56Mhz and 860-960 Mhz;
the working frequency of the first antenna is 13.56Mhz;
the working frequency of the second antenna is 860-960 Mhz.
As an improvement of the scheme, at least one storage room is arranged inside the box body; the storage compartment is contained within the storage chamber; a box door is arranged at the opening of the storage chamber;
the refrigerator further comprises a door detection device for detecting the opening and closing state of each door and sending the state to the controller;
the label positioning starting condition comprises that at least one box door is opened by a switch;
the label positioning stop condition includes the refrigerator changing from at least one of the doors being opened to all of the doors being closed.
As an improvement of the above scheme, the food material information further includes a storage time;
the updating of the food material information base comprises the following steps:
updating the food material information base according to the storage position corresponding to the number of each first target RFID tag;
and setting the storage time corresponding to the number of each first target RFID label in the food material information base as the current time.
As an improvement of the above scheme, the refrigerator further comprises a display device for displaying the food material management interface; the food material management interface is used for displaying food material information of food materials stored in the refrigerator;
the food management according to the number of each second target RFID tag and the food information base comprises the following steps:
selecting food material information corresponding to the serial number of each second target RFID tag from the food material information base, and constructing a food material state information set;
and updating the food material management interface according to the food material state information set.
Accordingly, another embodiment of the present invention provides a control method of a refrigerator, including:
when the tag positioning starting condition is determined to be met, controlling the first RFID module to conduct tag identification through each first antenna until the tag positioning stopping condition is determined to be met, and obtaining a first information set; wherein, the food materials stored in the refrigerator are identified by RFID tags; at least one storage partition is arranged in the refrigerator body of the refrigerator, and the identification area of the first antenna is an opening area of the corresponding storage partition; the first information set comprises the number of at least one first target RFID tag and the number of a first antenna read to the first target RFID tag;
determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a preconfigured antenna number and a storage partition and the first information set, and updating a food material information base; the food material information base comprises the number of each RFID tag and the corresponding food material information, wherein the food material information comprises a storage position and a food material name;
controlling a second RFID module of the refrigerator to perform tag identification through each second antenna arranged in the liner of the refrigerator body to obtain the number of at least one second target RFID tag; the identification area of the second antenna is an inner area of the box body;
and carrying out food management according to the serial numbers of the second target RFID tags and the food information base.
As an improvement of the scheme, the working frequency of the RFID tag comprises 13.56Mhz and 860-960 Mhz;
the working frequency of the first antenna is 13.56Mhz;
the working frequency of the second antenna is 860-960 Mhz.
As an improvement of the scheme, at least one storage room is arranged inside the box body; the storage compartment is contained within the storage chamber; a box door is arranged at the opening of the storage chamber;
the label positioning starting condition comprises that at least one box door is opened by a switch;
the label positioning stop condition includes the refrigerator changing from at least one of the doors being opened to all of the doors being closed.
As an improvement of the above scheme, the food material information further includes a storage time;
the updating of the food material information base comprises the following steps:
updating the food material information base according to the storage position corresponding to the number of each first target RFID tag;
and setting the storage time corresponding to the number of each first target RFID label in the food material information base as the current time.
As an improvement of the above-mentioned aspect, the performing food management according to the number of each of the second target RFID tags and the food information base includes:
selecting food material information corresponding to the serial number of each second target RFID tag from the food material information base, and constructing a food material state information set;
updating a food management interface displayed on a display device arranged on the refrigerator according to the food state information set; the food material management interface is used for displaying food material information of food materials stored in the refrigerator.
Compared with the prior art, the refrigerator and the control method of the refrigerator provided by the embodiment of the invention have the advantages that when the tag positioning starting condition is determined to be met, the first RFID module of the refrigerator is controlled to conduct tag identification through each first antenna of the refrigerator until the tag positioning stopping condition is determined to be met, a first information set is obtained, then the storage position corresponding to the number of each first target RFID tag is determined according to the first corresponding relation between the pre-configured antenna number and the storage partition and the first information set, the food material information base is updated, then the second RFID module of the refrigerator is controlled to conduct tag identification through each second antenna arranged in the liner of the refrigerator, the number of at least one second target RFID tag is obtained, and then food material management is conducted according to the number of each second target RFID tag and the food material information base, so that food material information stored in the refrigerator can be automatically identified and managed, and user experience and intelligent food material management of the refrigerator are facilitated to be improved.
Drawings
Fig. 1 is a schematic view of a refrigerator according to an embodiment of the present invention;
fig. 2 is a flowchart of the operation of a controller in a refrigerator according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a control method of a refrigerator according to an 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, a refrigerator 1 provided in this embodiment includes:
the box body is internally provided with at least one storage partition, and the opening of each storage partition is provided with at least one first antenna 11 with an identification area being the opening area of the storage partition; the inner container of the box body is internally provided with at least one second antenna 21 with an identification area being the inner area of the box body;
a plurality of RFID tags 30 for identification on food materials;
a first RFID module 12 connected to each of the first antennas 11;
a second RFID module 22 connected to each of the second antennas 21;
a controller 40 configured to:
s11, when the tag positioning starting condition is determined to be met, controlling the first RFID module 12 to perform tag identification through each first antenna 11 until the tag positioning stopping condition is determined to be met, and obtaining a first information set; wherein the first information set includes a number of at least one first target RFID tag and a number of a first antenna read to the first target RFID tag;
s12, determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a preconfigured antenna number and a storage partition and the first information set, and updating a food material information base; wherein the food material information base includes the number of each RFID tag 30 and the corresponding food material information, and the food material information includes a storage location and a food material name;
s13, controlling the second RFID module 22 to perform tag identification through each second antenna 21 to obtain the number of at least one second target RFID tag;
s14, food management is carried out according to the serial numbers of the second target RFID tags and the food information base.
The RFID tag 30 may be attached directly to the surface of the food material, or placed in a clip or the like, and attached to the food material to mark the food material, for example.
The tag positioning start condition may be, for example, detection of a user inputting a tag positioning start command by voice or manually, and the tag positioning stop condition may be detection of a user inputting a tag positioning stop command by voice or manually, which is not limited herein.
It should be noted that the food material information base may be disposed in the cloud or in a storage module of the controller 40.
It will be appreciated that, since the identification area of the first antenna 11 is the opening area of the corresponding storage partition, when the first RFID module 12 performs tag identification by each first antenna 11, it may identify the RFID tag 30 passing through the opening area of any storage partition, that is, the RFID tag 30 moving, as the first target RFID tag. Since the identification area of the second antenna 21 is the internal area of the case, when the second RFID module 22 performs tag identification by each of the second antennas 21, the RFID tag 30 stored in any one of the storage areas may be identified as the second target RFID tag.
The first RFID module 12 transmits a wireless signal through the first antenna 11, thereby communicating with the RFID tag 30 and resolving the number of the RFID tag 30. The second antenna 21 may be distributed in the inner containers of the left and right side walls of the case; the second RFID module 22 transmits a wireless signal through the second RFID antenna to communicate with the RFID tag 30 and resolve the number of the RFID tag 30.
In this embodiment, when it is determined that the tag positioning start condition is met, the first RFID module 12 is controlled to perform tag identification through each first antenna 11 until it is determined that the tag positioning stop condition is met, a first information set is obtained, then a storage position corresponding to the number of each first target RFID tag is determined according to a first correspondence between the number of each first target RFID tag and the storage partition and the first information set, so as to determine the storage position of the moved first target RFID tag, update a food information base, and then control the second RFID module 22 to perform tag identification through each second antenna 21, so as to obtain the number of at least one second target RFID tag, thereby realizing inventory of food, and then perform food management according to the number of each second target RFID tag and the food information base, thereby realizing status update of food. Therefore, the refrigerator 1 provided in this embodiment can automatically identify food material information stored in the refrigerator 1 and manage food materials, which is beneficial to improving user experience and intellectualization of refrigerator management food materials.
As one of the alternative embodiments, the operating frequencies of the RFID tag 30 include 13.56Mhz and 860-960 Mhz;
the working frequency of the first antenna 11 is 13.56Mhz;
the second antenna 21 has an operating frequency of 860 to 960Mhz.
It will be appreciated that in the present embodiment, the RFID tag 30 has high frequency and ultra-high frequency communication functions, the first antenna 11 is a high frequency RFID antenna, the first RFID module 12 is a high frequency RFID module, the second antenna 21 is an ultra-high frequency RFID antenna, and the second RFID module 22 is an ultra-high frequency RFID module. The high-frequency tag works in an inductive coupling mode, the read distance is relatively short, the common distance is within 20CM, a plurality of tag information can be read at the same time, the ultrahigh-frequency tag works by utilizing electromagnetic waves, long-distance multi-tag reading in a complex environment can be better realized, in the embodiment, the tag with high-frequency and ultrahigh-frequency communication functions is attached to food materials, the tag positioning is performed by utilizing the advantages of the high-frequency tag, which are read on a near field, the storage position of the tag can be accurately identified, and the characteristics of long reading distance of the ultrahigh-frequency tag, non-line-of-sight propagation of the ultrahigh-frequency signal, capability of simultaneously reading a large number of tags and the like are utilized to realize automatic inventory of the food materials, and the inventory efficiency of the food materials can be effectively ensured.
As one of the alternative embodiments, at least one storage room is arranged inside the box body; the storage compartment is contained within the storage chamber; a box door is arranged at the opening of the storage chamber;
the refrigerator 1 further includes door detecting means for detecting a opened and closed state of each door and transmitting to the controller 40;
the label positioning starting condition comprises that at least one box door is opened by a switch;
the label positioning stop condition includes the refrigerator 1 being changed from at least one of the doors being opened to all of the doors being closed.
In a specific implementation, when a user needs to put food into a certain storage partition of the refrigerator 1, the RFID tag 30 associated with information of the food is marked on the food, a door of the storage partition is opened, then the food passes through an opening area of the storage partition and is placed in the storage partition, and the controller 40 controls the first RFID module 12 to start when determining that the door of the storage partition is opened by closing, so that the first RFID module 12 can identify the RFID tag 30 marked on the food, when the user closes all the doors, the user is informed that the user has completed taking and putting the food, and at the moment, the tag positioning is stopped, the second RFID module 22 is controlled to start tag inventory and food management, so that the positioning and inventory of the tag can be automatically realized according to the natural operation of opening the refrigerator door, storing the food, closing the refrigerator door, and the user experience can be improved, and the real-time performance of food management can be ensured.
As one of the optional embodiments, the food material information further includes a storage time;
the updating of the food material information base comprises the following steps:
updating the food material information base according to the storage position corresponding to the number of each first target RFID tag;
and setting the storage time corresponding to the number of each first target RFID label in the food material information base as the current time.
In this embodiment, in addition to updating the storage position, the storage time of the food material is automatically updated, so that the effect of food material management is improved.
As an alternative embodiment, the refrigerator 1 further includes a display device for displaying a food material management interface; the food material management interface is used for displaying food material information of food materials stored in the refrigerator 1;
the food management according to the number of each second target RFID tag and the food information base comprises the following steps:
selecting food material information corresponding to the serial number of each second target RFID tag from the food material information base, and constructing a food material state information set;
and updating the food material management interface according to the food material state information set.
In this embodiment, by constructing the food material state information set and updating the food material management interface displayed on the display device according to the food material state information set, a user can intuitively acquire food material information, thereby improving user experience and intellectualization of food material management.
In a specific embodiment, the specific workflow of the refrigerator 1 provided in this embodiment is as follows:
1. when any one or more doors of the refrigerator 1 are opened, the controller 40 starts the first RFID module 12 to work, the first RFID module 12 reads the information of the RFID tags 30 through the first antennas 11, and sends the numbers of the first target RFID tags read by the first antennas 11 to the controller 40, and the controller 40 judges the storage positions of the first target RFID tags according to a preset area division rule (namely, a first corresponding relation between the preconfigured antenna numbers and storage areas), namely, which area or room to store;
2. when all the compartment doors of the refrigerator 1 are closed, the controller 40 stops the operation of the first RFID module 12 and starts the operation of the second RFID module 22, the second RFID module 22 reads the information of the RFID tag 30 through the second antenna 21 and sends the number of the read second target RFID tag to the controller 40, the controller 40 analyzes the food material name corresponding to the second target RFID tag according to a preset corresponding rule (namely, the instant food material information base), and the current time is recorded as the storage time;
3. the controller 40 constructs a food material status information set including at least a food material name, a storage time and a storage position, and performs food material management and information display according to the current food material status information set until the refrigerator 1 door status changes to perform next food material inventory and status update.
Referring to fig. 3, a flow chart of a control method of a refrigerator according to an embodiment of the present invention is shown.
The control method of the refrigerator provided in the present embodiment may be any refrigerator provided in the foregoing embodiment, and specifically includes:
s21, when the tag positioning starting condition is determined to be met, controlling the first RFID module to conduct tag identification through each first antenna until the tag positioning stopping condition is determined to be met, and obtaining a first information set; wherein, the food materials stored in the refrigerator are identified by RFID tags; at least one storage partition is arranged in the refrigerator body of the refrigerator, and the identification area of the first antenna is an opening area of the corresponding storage partition; the first information set comprises the number of at least one first target RFID tag and the number of a first antenna read to the first target RFID tag;
s22, determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a preconfigured antenna number and a storage partition and the first information set, and updating a food material information base; the food material information base comprises the number of each RFID tag and the corresponding food material information, wherein the food material information comprises a storage position and a food material name;
s23, controlling a second RFID module of the refrigerator to perform tag identification through each second antenna arranged in the liner of the refrigerator body, and obtaining the number of at least one second target RFID tag; the identification area of the second antenna is an inner area of the box body;
s24, food management is carried out according to the serial numbers of the second target RFID tags and the food information base.
It will be appreciated that at least one of the first antennas is provided at the opening of each of the storage compartments.
According to the control method for the refrigerator, when the tag positioning starting condition is determined to be met, the first RFID module of the refrigerator is controlled to conduct tag identification through each first antenna of the refrigerator until the tag positioning stopping condition is determined to be met, a first information set is obtained, then the storage position corresponding to the number of each first target RFID tag is determined according to the first corresponding relation between the pre-configured antenna number and the storage partition and the first information set, the food material information base is updated, then the second RFID module of the refrigerator is controlled to conduct tag identification through each second antenna arranged in the inner container of the refrigerator body, the number of at least one second target RFID tag is obtained, and then food material management is conducted according to the number of each second target RFID tag and the food material information base, so that food material information stored in the refrigerator can be automatically identified, and the food material management can be conducted, and user experience and the intelligent food material management of the refrigerator are facilitated to be improved.
As an alternative embodiment, the operating frequencies of the RFID tag include 13.56Mhz and 860-960 Mhz;
the working frequency of the first antenna is 13.56Mhz;
the working frequency of the second antenna is 860-960 Mhz.
As one of the alternative embodiments, at least one storage room is arranged inside the box body; the storage compartment is contained within the storage chamber; a box door is arranged at the opening of the storage chamber;
the label positioning starting condition comprises that at least one box door is opened by a switch;
the label positioning stop condition includes the refrigerator changing from at least one of the doors being opened to all of the doors being closed.
As one of the optional embodiments, the food material information further includes a storage time;
the updating of the food material information base comprises the following steps:
updating the food material information base according to the storage position corresponding to the number of each first target RFID tag;
and setting the storage time corresponding to the number of each first target RFID label in the food material information base as the current time.
As an optional embodiment, the performing food material management according to the number of each second target RFID tag and the food material information base includes:
selecting food material information corresponding to the serial number of each second target RFID tag from the food material information base, and constructing a food material state information set;
updating a food management interface displayed on a display device arranged on the refrigerator according to the food state information set; the food material management interface is used for displaying food material information of food materials stored in the refrigerator.
It should be noted that, for convenience and brevity of description, specific descriptions and advantages of the method in the foregoing embodiment may refer to corresponding descriptions and advantages in the foregoing apparatus embodiment, which are not repeated herein.
It should be noted that the above-described apparatus embodiments are merely illustrative, and the units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the invention, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
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:
the box body is internally provided with at least one storage partition, and the opening of each storage partition is provided with at least one first antenna with an identification area being the opening area of the storage partition; at least one second antenna with an identification area being the internal area of the box body is arranged in the liner of the box body;
a plurality of RFID tags for identification on food materials;
a first RFID module connected with each first antenna;
the second RFID modules are connected with each second antenna;
a controller configured to:
when the tag positioning starting condition is determined to be met, controlling the first RFID module to perform tag identification through each first antenna until the tag positioning stopping condition is determined to be met, and obtaining a first information set; wherein the first information set includes a number of at least one first target RFID tag and a number of a first antenna read to the first target RFID tag;
determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a preconfigured antenna number and a storage partition and the first information set, and updating a food material information base; the food material information base comprises the number of each RFID tag and the corresponding food material information, wherein the food material information comprises a storage position and a food material name;
controlling the second RFID module to perform tag identification through each second antenna to obtain the number of at least one second target RFID tag;
and carrying out food management according to the serial numbers of the second target RFID tags and the food information base.
2. The refrigerator of claim 1, wherein the operating frequencies of the RFID tag include 13.56Mhz and 860 to 960Mhz;
the working frequency of the first antenna is 13.56Mhz;
the working frequency of the second antenna is 860-960 Mhz.
3. The refrigerator as claimed in claim 1, wherein at least one storage chamber is provided inside the cabinet; the storage compartment is contained within the storage chamber; a box door is arranged at the opening of the storage chamber;
the refrigerator further comprises a door detection device for detecting the opening and closing state of each door and sending the state to the controller;
the label positioning starting condition comprises that at least one box door is opened by a switch;
the label positioning stop condition includes the refrigerator changing from at least one of the doors being opened to all of the doors being closed.
4. The refrigerator of claim 1, wherein the food material information further includes a storage time;
the updating of the food material information base comprises the following steps:
updating the food material information base according to the storage position corresponding to the number of each first target RFID tag;
and setting the storage time corresponding to the number of each first target RFID label in the food material information base as the current time.
5. The refrigerator of claim 1, further comprising a display device for displaying a food material management interface; the food material management interface is used for displaying food material information of food materials stored in the refrigerator;
the food management according to the number of each second target RFID tag and the food information base comprises the following steps:
selecting food material information corresponding to the serial number of each second target RFID tag from the food material information base, and constructing a food material state information set;
and updating the food material management interface according to the food material state information set.
6. A control method of a refrigerator, comprising:
when the tag positioning starting condition is determined to be met, controlling the first RFID module to conduct tag identification through each first antenna until the tag positioning stopping condition is determined to be met, and obtaining a first information set; wherein, the food materials stored in the refrigerator are identified by RFID tags; at least one storage partition is arranged in the refrigerator body of the refrigerator, and the identification area of the first antenna is an opening area of the corresponding storage partition; the first information set comprises the number of at least one first target RFID tag and the number of a first antenna read to the first target RFID tag;
determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a preconfigured antenna number and a storage partition and the first information set, and updating a food material information base; the food material information base comprises the number of each RFID tag and the corresponding food material information, wherein the food material information comprises a storage position and a food material name;
controlling a second RFID module of the refrigerator to perform tag identification through each second antenna arranged in the liner of the refrigerator body to obtain the number of at least one second target RFID tag; the identification area of the second antenna is an inner area of the box body;
and carrying out food management according to the serial numbers of the second target RFID tags and the food information base.
7. The control method of the refrigerator as claimed in claim 6, wherein the operating frequency of the RFID tag includes 13.56Mhz and 860 to 960Mhz;
the working frequency of the first antenna is 13.56Mhz;
the working frequency of the second antenna is 860-960 Mhz.
8. The control method of a refrigerator as claimed in claim 6, wherein at least one storage chamber is provided inside the cabinet; the storage compartment is contained within the storage chamber; a box door is arranged at the opening of the storage chamber;
the label positioning starting condition comprises that at least one box door is opened by a switch;
the label positioning stop condition includes the refrigerator changing from at least one of the doors being opened to all of the doors being closed.
9. The control method of a refrigerator as claimed in claim 6, wherein the food material information further includes a storage time;
the updating of the food material information base comprises the following steps:
updating the food material information base according to the storage position corresponding to the number of each first target RFID tag;
and setting the storage time corresponding to the number of each first target RFID label in the food material information base as the current time.
10. The control method of the refrigerator as claimed in claim 6, wherein the performing food management according to the number of each of the second target RFID tags and the food information base comprises:
selecting food material information corresponding to the serial number of each second target RFID tag from the food material information base, and constructing a food material state information set;
updating a food management interface displayed on a display device arranged on the refrigerator according to the food state information set; the food material management interface is used for displaying food material information of food materials stored in the refrigerator.
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