CN113915945A - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN113915945A CN113915945A CN202110737290.8A CN202110737290A CN113915945A CN 113915945 A CN113915945 A CN 113915945A CN 202110737290 A CN202110737290 A CN 202110737290A CN 113915945 A CN113915945 A CN 113915945A
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- food material
- refrigerator
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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
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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
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
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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
- F25D2600/00—Control issues
- F25D2600/02—Timing
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
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- Combustion & Propulsion (AREA)
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- 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, when the condition of positioning and starting the label is determined to be satisfied, a first RFID module is controlled to carry out label identification through each first antenna until the condition of positioning and stopping the label is determined to be satisfied, a first information set is obtained, then a storage position corresponding to the number of each first target RFID label is determined according to a first corresponding relation between a pre-configured antenna number and a storage partition and the first information set, a food material information library is updated, a second RFID module is controlled to carry out label identification through each second antenna arranged in an inner container of a refrigerator body, the number of at least one second target RFID label is obtained, then food material management is carried out according to the number of each second target RFID label and the food material information library, and therefore, food material information stored in the refrigerator can be automatically identified and food material management is carried out, the intelligent food management system is beneficial to improving the user experience and the intelligence of the refrigerator management food.
Description
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 essential household appliances in people's lives. With the development of science and technology, an intelligent refrigerator capable of intelligently managing information of food materials stored in the intelligent refrigerator is manufactured at present, however, the food management mode provided by the existing intelligent refrigerator generally requires manual addition of the information of the food materials, the operation is complex, and the user experience is poor.
Disclosure of Invention
The embodiment of the invention provides a refrigerator and a control method of the refrigerator, which can automatically identify food material information stored in the refrigerator and manage food materials, and are beneficial to improving user experience and intellectualization of food materials managed by the refrigerator.
An embodiment of the present invention provides a refrigerator including:
the antenna comprises a box body, a plurality of antenna units and a plurality of antenna units, wherein at least one storage subarea is arranged in the box body, and at least one first antenna with an identification area being an opening area of the storage subarea is arranged at an opening of each storage subarea; at least one second antenna with an identification area as an internal area of the box body is arranged in the inner container of the box body;
a plurality of RFID tags for identifying on food materials;
the first RFID module is connected with each first antenna;
the second RFID module is connected with each second antenna;
a controller configured to:
when the condition that the tag positioning starting condition is met is determined, controlling the first RFID module to carry out tag identification through each first antenna until the condition that the tag positioning stopping condition is met is determined, and obtaining a first information set; wherein the first set of information comprises 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 pre-configured antenna number and a storage subarea and the first information set, and updating a food material information base; the food material information base comprises a serial number of each RFID label and food material information corresponding to the serial number, and the food material information comprises a storage position and a food material name;
controlling the second RFID module to perform label identification through each second antenna to obtain the number of at least one second target RFID label;
and managing food materials according to the serial number of each second target RFID label and the food material 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 13.56 Mhz;
the working frequency of the second antenna is 860-960 Mhz.
As a modification of the above scheme, at least one storage chamber is arranged inside the box body; the storage partition is contained within the storage compartment; a box door is arranged at the opening of the storage chamber;
the refrigerator also comprises a door detection device used for detecting the opening and closing state of each refrigerator door and sending the opening and closing state to the controller;
the label positioning starting condition comprises that at least one box door is turned on by a switch;
the tag positioning stop condition includes that the refrigerator is changed from at least one door being opened to all 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:
updating a food material information base according to the storage position corresponding to the number of each first target RFID label;
and setting the storage time corresponding to the number of each first target RFID tag 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 material management according to the serial number of each second target RFID tag and the food material information base comprises the following steps:
selecting food material information corresponding to the 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 method for controlling a refrigerator, including:
when the condition that the tag positioning starting condition is met is determined, controlling a first RFID module to carry out tag identification through each first antenna until the condition that the tag positioning stopping condition is met is determined, and obtaining a first information set; wherein the food material stored in the refrigerator is identified by an RFID tag; at least one storage subarea 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 subarea; the first information set comprises the number of at least one first target RFID label and the number of a first antenna reading the first target RFID label;
determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a pre-configured antenna number and a storage subarea and the first information set, and updating a food material information base; the food material information base comprises a serial number of each RFID label and food material information corresponding to the serial number, and the food material information comprises a storage position and a food material name;
controlling a second RFID module of the refrigerator to perform label identification through each second antenna arranged in an inner container of the refrigerator body to obtain the serial number of at least one second target RFID label; the identification area of the second antenna is the inner area of the box body;
and managing food materials according to the serial number of each second target RFID label and the food material 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 13.56 Mhz;
the working frequency of the second antenna is 860-960 Mhz.
As a modification of the above scheme, at least one storage chamber is arranged inside the box body; the storage partition is contained within the storage compartment; 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 turned on by a switch;
the tag positioning stop condition includes that the refrigerator is changed from at least one door being opened to all 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:
updating a food material information base according to the storage position corresponding to the number of each first target RFID label;
and setting the storage time corresponding to the number of each first target RFID tag in the food material information base as the current time.
As an improvement of the above scheme, the managing food materials according to the number of each second target RFID tag and the food material information base includes:
selecting food material information corresponding to the number of each second target RFID tag from the food material information base, and constructing a food material state information set;
updating a food material management interface displayed on a display device arranged on the refrigerator according to the food material 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, according to the refrigerator and the control method of the refrigerator provided by the embodiments of the present invention, when it is determined that the tag positioning start condition is satisfied, the first RFID module of the refrigerator is controlled to perform tag identification through each first antenna of the refrigerator until it is determined that the tag positioning stop condition is satisfied, so as to obtain the first information set, then according to the first correspondence between the pre-configured antenna number and the storage partition and the first information set, the storage position corresponding to the number of each first target RFID tag is determined, and the food material information library is updated, then the second RFID module of the refrigerator is controlled to perform tag identification through each second antenna arranged in the inner container of the refrigerator body, so as to obtain the number of at least one second target RFID tag, and then the food material information library is managed according to the food material number of each second target RFID tag, so that the food material information stored in the refrigerator can be automatically identified and the food material management can be performed, the intelligent food management system is beneficial to improving the user experience and the intelligence of the refrigerator management food.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an 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 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.
Referring to fig. 1 and 2, the present embodiment provides a refrigerator 1 including:
the antenna comprises a box body, a plurality of antenna units and a plurality of antenna units, wherein at least one storage subarea is arranged in the box body, and at least one first antenna 11 with an identification area being an opening area of the storage subarea is arranged at an opening of each storage subarea; at least one second antenna 21 with an identification area as an internal area of the box body is arranged in the inner container of the box body;
a plurality of RFID tags 30 for identification on food material;
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 it is determined that the tag positioning start condition is satisfied, controlling the first RFID module 12 to perform tag identification through each of the first antennas 11 until it is determined that the tag positioning stop condition is satisfied, thereby obtaining a first information set; wherein the first set of information comprises 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 label according to a first corresponding relation between the antenna number and the storage subarea which are configured in advance and the first information set, and updating the food material information base; the food material information base comprises the number of each RFID tag 30 and the corresponding food material information, and the food material information comprises a storage position and a food material name;
s13, controlling the second RFID module 22 to perform tag identification through each of the second antennas 21, so as to obtain a serial number of at least one second target RFID tag;
and S14, managing the food materials according to the serial number of each second target RFID label and the food material information base.
For example, the RFID tag 30 may be directly attached to the surface of the food material, or placed in a device such as a clip, and attached to the food material to mark the food material.
For example, the tag positioning start condition may be 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 library may be disposed in the cloud or in the storage module of the controller 40.
It can be understood 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 through 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 that moves, as the first target RFID tag. Since the identification area of the second antenna 21 is the internal area of the box, the second RFID module 22 can identify the RFID tag 30 stored in any storage partition as the second target RFID tag when performing tag identification through each second antenna 21.
The first RFID module 12 transmits a radio signal through the first antenna 11, thereby communicating with the RFID tag 30 and analyzing the number of the RFID tag 30. The second antennas 21 can be distributed in the inner containers on the left and right side walls of the box body; the second RFID module 22 transmits a wireless signal through the second RFID antenna, thereby communicating with the RFID tag 30 and resolving the number of the RFID tag 30.
In this embodiment, when it is determined that the tag positioning start condition is satisfied, the first RFID module 12 is first controlled to perform tag identification through each first antenna 11 until it is determined that the tag positioning stop condition is satisfied, so as to obtain a first information set, and then, according to a first correspondence between a pre-configured antenna number and a storage partition and the first information set, a storage location corresponding to a number of each first target RFID tag is determined, so as to determine a storage location of the first target RFID tag that moves, and update a food material information library, and then, the second RFID module 22 is controlled to perform tag identification through each second antenna 21, so as to obtain a number of at least one second target RFID tag, so as to implement inventory of food materials, and then, food material management is performed according to the number of each second target food material RFID tag and the food material information library, thereby realizing the state updating of the food material. Therefore, the refrigerator 1 provided by this embodiment can automatically identify the food material information stored in the refrigerator 1 and perform food material management, and is beneficial to improving the user experience and the intellectualization of food material management of the refrigerator.
As one of the alternative embodiments, the working frequency of the RFID label 30 comprises 13.56Mhz and 860-960 Mhz;
the operating frequency of the first antenna 11 is 13.56 Mhz;
the working frequency of the second antenna 21 is 860-960 Mhz.
It can be understood that, in the present embodiment, the RFID tag 30 has high-frequency and ultrahigh-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 ultrahigh-frequency RFID antenna, and the second RFID module 22 is an ultrahigh-frequency RFID module. The high-frequency tag works in an inductive coupling mode, the reading distance is relatively short, the general distance is within 20CM, a plurality of tag information can be read simultaneously, the ultrahigh-frequency tag works by utilizing electromagnetic waves, the remote distance can be better realized, multi-tag reading under a complex environment is realized, in the embodiment, a tag with high-frequency and ultrahigh-frequency communication functions is attached to food materials, the tag is positioned by utilizing the advantage that the high-frequency tag reads on a near field, the storage position of the tag can be accurately identified, and the characteristics that the ultrahigh-frequency tag is long in reading distance, ultrahigh-frequency signals are transmitted in a non-line-of-sight mode, a large number of tags can be read simultaneously and the like are utilized, so that automatic inventory of the food materials is realized, and the inventory efficiency of the food materials can be effectively guaranteed.
As one of alternative embodiments, at least one storage chamber is provided inside the case; the storage partition is contained within the storage compartment; a box door is arranged at the opening of the storage chamber;
the refrigerator 1 further includes a door detection device for detecting an opening/closing state of each door and transmitting the detected opening/closing state to the controller 40;
the label positioning starting condition comprises that at least one box door is turned on by a switch;
the tag positioning stop condition includes that the refrigerator 1 is changed from at least one door being opened to all doors being closed.
In specific implementation, when a user needs to put food materials into a certain storage partition of the refrigerator 1, the RFID tag 30 associated with the information of the food materials is marked on the food materials, the door of the storage compartment is opened, then the food materials are placed in the storage partition through the opening area of the storage partition, the controller 40 controls the first RFID module 12 to be started when it is determined that the door of the storage compartment is changed from closed to open, so that the first RFID module 12 can recognize the RFID tag 30 marked on the food materials, when the user closes all the doors, the user finishes taking and placing the food materials, the tag positioning is stopped, the second RFID module 22 is controlled to be started to start tag inventory and food material management, and thus the tag positioning and inventory can be automatically realized according to the natural operation of opening the refrigerator door to store food materials and closing the refrigerator door by the user, user experience is improved, and real-time performance of food material management can be guaranteed.
As one optional embodiment, the food material information further comprises a storage time;
the updating of the food material information base comprises:
updating a food material information base according to the storage position corresponding to the number of each first target RFID label;
and setting the storage time corresponding to the number of each first target RFID tag in the food material information base as the current time.
In this embodiment, in addition to updating the storage location, the storage time of the food material is also automatically updated, so that the effect of food material management is improved.
As one of optional embodiments, 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 material management according to the serial number of each second target RFID tag and the food material information base comprises the following steps:
selecting food material information corresponding to the 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, the user can intuitively acquire the food material information, so that the user experience and the intellectualization of food material management are improved.
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 information of the RFID tags 30 through the first antennas 11 and sends numbers of the first target RFID tags read by the first antennas 11 to the controller 40, and the controller 40 judges storage positions of the first target RFID tags, namely, which partition or compartment to store according to a preset area division rule (namely, a first corresponding relation between the preset antenna numbers and the storage partitions);
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 second RFID module 22 to operate, the second RFID module 22 reads the information of the RFID tag 30 through the second antenna 21 and sends the read serial number of the second target RFID tag to the controller 40, and the controller 40 analyzes the food material name corresponding to the second target RFID tag according to a preset corresponding rule (namely, a food material information library) and records the current time as the storage time;
3. the controller 40 constructs a food material state information set at least including 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 state information set until the next food material inventory and state update are performed due to the state change of the refrigerator 1 door.
Fig. 3 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, when the condition that the tag positioning starting condition is met is determined, controlling the first RFID module to carry out tag identification through each first antenna until the condition that the tag positioning stopping condition is met is determined, and obtaining a first information set; wherein the food material stored in the refrigerator is identified by an RFID tag; at least one storage subarea 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 subarea; the first information set comprises the number of at least one first target RFID label and the number of a first antenna reading the first target RFID label;
s22, determining a storage position corresponding to the number of each first target RFID label according to a first corresponding relation between the antenna number and the storage subarea which are configured in advance and the first information set, and updating the food material information base; the food material information base comprises a serial number of each RFID label and food material information corresponding to the serial number, and the food material information comprises a storage position and a food material name;
s23, controlling a second RFID module of the refrigerator to perform label identification through each second antenna arranged in the inner container of the refrigerator body to obtain the serial number of at least one second target RFID label; the identification area of the second antenna is the inner area of the box body;
and S24, managing the food materials according to the serial number of each second target RFID label and the food material 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.
In the method for controlling a refrigerator according to the embodiment of the present invention, when it is determined that a tag positioning start condition is satisfied, a first RFID module of the refrigerator is controlled to perform tag identification through each first antenna of the refrigerator until it is determined that a tag positioning stop condition is satisfied, a first information set is obtained, a storage position corresponding to a number of each first target RFID tag is determined according to a first correspondence between a pre-configured antenna number and a storage partition and the first information set, and a food material information library is updated, a second RFID module of the refrigerator is controlled to perform tag identification through each second antenna disposed in an inner container of a refrigerator body, a number of at least one second target RFID tag is obtained, and then food material management is performed according to the number of each second target RFID tag and the food material information library, so that food material information stored in the refrigerator can be automatically identified and food material management can be performed, the intelligent food management system is beneficial to improving the user experience and the intelligence of the refrigerator management food.
As one optional embodiment, the working frequency of the RFID label comprises 13.56Mhz and 860-960 Mhz;
the working frequency of the first antenna is 13.56 Mhz;
the working frequency of the second antenna is 860-960 Mhz.
As one of alternative embodiments, at least one storage chamber is provided inside the case; the storage partition is contained within the storage compartment; 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 turned on by a switch;
the tag positioning stop condition includes that the refrigerator is changed from at least one door being opened to all doors being closed.
As one optional embodiment, the food material information further comprises a storage time;
the updating of the food material information base comprises:
updating a food material information base according to the storage position corresponding to the number of each first target RFID label;
and setting the storage time corresponding to the number of each first target RFID tag in the food material information base as the current time.
As an optional embodiment, the managing food materials according to the number of each second target RFID tag and the food material information base includes:
selecting food material information corresponding to the number of each second target RFID tag from the food material information base, and constructing a food material state information set;
updating a food material management interface displayed on a display device arranged on the refrigerator according to the food material 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 device embodiment, and further description is omitted here.
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:
the antenna comprises a box body, a plurality of antenna units and a plurality of antenna units, wherein at least one storage subarea is arranged in the box body, and at least one first antenna with an identification area being an opening area of the storage subarea is arranged at an opening of each storage subarea; at least one second antenna with an identification area as an internal area of the box body is arranged in the inner container of the box body;
a plurality of RFID tags for identifying on food materials;
the first RFID module is connected with each first antenna;
the second RFID module is connected with each second antenna;
a controller configured to:
when the condition that the tag positioning starting condition is met is determined, controlling the first RFID module to carry out tag identification through each first antenna until the condition that the tag positioning stopping condition is met is determined, and obtaining a first information set; wherein the first set of information comprises 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 pre-configured antenna number and a storage subarea and the first information set, and updating a food material information base; the food material information base comprises a serial number of each RFID label and food material information corresponding to the serial number, and the food material information comprises a storage position and a food material name;
controlling the second RFID module to perform label identification through each second antenna to obtain the number of at least one second target RFID label;
and managing food materials according to the serial number of each second target RFID label and the food material information base.
2. The refrigerator of claim 1, wherein the operating frequencies of the RFID tag include 13.56Mhz and 860-960 Mhz;
the working frequency of the first antenna is 13.56 Mhz;
the working frequency of the second antenna is 860-960 Mhz.
3. The refrigerator as claimed in claim 1, wherein the cabinet is provided at an inside thereof with at least one storage chamber; the storage partition is contained within the storage compartment; a box door is arranged at the opening of the storage chamber;
the refrigerator also comprises a door detection device used for detecting the opening and closing state of each refrigerator door and sending the opening and closing state to the controller;
the label positioning starting condition comprises that at least one box door is turned on by a switch;
the tag positioning stop condition includes that the refrigerator is changed from at least one door being opened to all doors being closed.
4. The refrigerator of claim 1, wherein the food material information further comprises a storage time;
the updating of the food material information base comprises:
updating a food material information base according to the storage position corresponding to the number of each first target RFID label;
and setting the storage time corresponding to the number of each first target RFID tag 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 material management according to the serial number of each second target RFID tag and the food material information base comprises the following steps:
selecting food material information corresponding to the 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 condition that the tag positioning starting condition is met is determined, controlling a first RFID module to carry out tag identification through each first antenna until the condition that the tag positioning stopping condition is met is determined, and obtaining a first information set; wherein the food material stored in the refrigerator is identified by an RFID tag; at least one storage subarea 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 subarea; the first information set comprises the number of at least one first target RFID label and the number of a first antenna reading the first target RFID label;
determining a storage position corresponding to the number of each first target RFID tag according to a first corresponding relation between a pre-configured antenna number and a storage subarea and the first information set, and updating a food material information base; the food material information base comprises a serial number of each RFID label and food material information corresponding to the serial number, and the food material information comprises a storage position and a food material name;
controlling a second RFID module of the refrigerator to perform label identification through each second antenna arranged in an inner container of the refrigerator body to obtain the serial number of at least one second target RFID label; the identification area of the second antenna is the inner area of the box body;
and managing food materials according to the serial number of each second target RFID label and the food material information base.
7. The method of claim 6, wherein the operating frequency of the RFID tag includes 13.56Mhz and 860 to 960 Mhz;
the working frequency of the first antenna is 13.56 Mhz;
the working frequency of the second antenna is 860-960 Mhz.
8. The control method of a refrigerator according to claim 6, wherein at least one storage chamber is provided inside the cabinet; the storage partition is contained within the storage compartment; 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 turned on by a switch;
the tag positioning stop condition includes that the refrigerator is changed from at least one door being opened to all doors being closed.
9. The method of controlling a refrigerator of claim 6, wherein the food material information further includes a storage time;
the updating of the food material information base comprises:
updating a food material information base according to the storage position corresponding to the number of each first target RFID label;
and setting the storage time corresponding to the number of each first target RFID tag in the food material information base as the current time.
10. The method of claim 6, wherein the food material management according to the number of each second target RFID tag and the food material information base comprises:
selecting food material information corresponding to the number of each second target RFID tag from the food material information base, and constructing a food material state information set;
updating a food material management interface displayed on a display device arranged on the refrigerator according to the food material 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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