CN112728859A - Refrigerator, food monitoring method and device - Google Patents
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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
- F25D29/003—Arrangement or mounting of control or safety devices for movable 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/109—Time management, e.g. calendars, reminders, meetings or time accounting
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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
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Abstract
The invention provides a refrigerator, a food monitoring method and a device thereof, wherein the food monitoring method comprises the following steps: acquiring a plurality of continuous scanning results corresponding to the preprocessed label information, wherein the scanning results at least comprise whether the label corresponding to the preprocessed label information can be scanned; when the labels are determined to be changed from being scanned to being incapable of being scanned based on a plurality of scanning results, setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the labels corresponding to the preprocessed label information are changed from being scanned to being incapable of being scanned; and setting the use state corresponding to the preprocessed labeling information as N when the labeling is determined to be changed from being incapable of being scanned to being capable of being scanned based on a plurality of scanning results. Thereby accurately obtaining the putting time of the food.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator, a food monitoring method and a food monitoring device.
Background
In practical use, a user usually stores food in a storage compartment (e.g., a refrigerating compartment or a freezing compartment) for storage, and sometimes stores a lot of food, the food has a shelf life, and when the storage time of the food in the storage compartment exceeds the shelf life, the food cannot be eaten. The principle is generally as follows: when food is put into the refrigerator, the type and the starting storage time of the food are obtained, and then if the refrigerator detects that the difference value between the current time and the starting storage time is larger than the quality guarantee period of the food, a user is reminded. In summary, obtaining the initial storage time of food is a critical step.
Therefore, it is an urgent need to solve the problem of designing a refrigerator capable of obtaining the initial storage time of food.
Disclosure of Invention
The invention aims to provide a refrigerator, a food monitoring method and a device thereof.
In order to achieve one of the above objects, an embodiment of the present invention provides a food monitoring method of a refrigerator, including the steps of: acquiring a plurality of continuous scanning results corresponding to the preprocessed label information, wherein the scanning results at least comprise whether the label corresponding to the preprocessed label information can be scanned; when the labels are determined to be changed from being scanned to being incapable of being scanned based on a plurality of scanning results, setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the labels corresponding to the preprocessed label information are changed from being scanned to being incapable of being scanned; and setting the use state corresponding to the preprocessed labeling information as N when the labeling is determined to be changed from being incapable of being scanned to being capable of being scanned based on a plurality of scanning results.
As a further improvement of an embodiment of the present invention, the method further comprises the following steps: and when the use state corresponding to the preprocessed labeling information is Y and the difference value between the current time and the corresponding storage starting time is larger than the quality guarantee period of the corresponding food, pushing a message that the food is out of date.
As a further improvement of an embodiment of the present invention, the method further comprises the following steps: and when the use state corresponding to the preprocessed labeling information is Y and the early warning time threshold value of the corresponding food is less than or equal to the quality guarantee period of the corresponding food, pushing a message that the food is about to expire, wherein the early warning time threshold value is less than the quality guarantee period.
As a further improvement of an embodiment of the present invention, the "setting the use status corresponding to the preprocessed label information as Y and the corresponding storage start time as the time when the label corresponding to the preprocessed label information is changed from being capable of being scanned to being incapable of being scanned based on the scanning results" specifically includes: and when the label is determined to be changed from being scanned to being incapable of being scanned based on a plurality of scanning results, setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the label corresponding to the preprocessed label information is changed from being scanned to being incapable of being scanned, and modifying the food corresponding to the preprocessed label information based on a modification instruction received from an input device.
As a further improvement of an embodiment of the present invention, the obtaining of the plurality of continuous scanning results corresponding to the preprocessed label information specifically includes continuously performing the following operations for a plurality of times: establishing communication connection with a plurality of labels in the label storage space, acquiring label information of the labels, and scanning when the preprocessed label information is determined to exist in the label information; otherwise, the scanning result is that the scanning cannot be achieved.
As a further improvement of an embodiment of the present invention, the "establishing communication connections with a plurality of labels in the label storage space" specifically includes: and establishing NFC communication connection or RFID communication connection with a plurality of labels in the label storage space.
The embodiment of the invention also provides a food monitoring device of the refrigerator, which comprises the following modules: the first information acquisition module is used for acquiring a plurality of continuous scanning results corresponding to the preprocessed label information, wherein the scanning results at least comprise whether the label corresponding to the preprocessed label information can be scanned; the first processing module is used for setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the label corresponding to the preprocessed label information is changed from being capable of being scanned to being incapable of being scanned when the label is determined to be changed from being capable of being scanned to being incapable of being scanned based on a plurality of scanning results; and the second processing module is used for setting the use state corresponding to the preprocessed label information to be N when the label is determined to be capable of being scanned from the condition that the label cannot be scanned based on a plurality of scanning results.
An embodiment of the present invention further provides a refrigerator, including: a plurality of labels, a scanning device and a label storage space; the scanning device can only scan the stickers stored in the sticker storage space.
As a further improvement of an embodiment of the present invention, the label storage space is a concave portion disposed on a rear side surface of the refrigerator door body, the scanning device is a first wireless communication device disposed on a side surface of the concave portion, and the concave portion is wrapped by a metal shell; the label is provided with a second wireless communication device, and the first wireless communication device and the second wireless communication device can perform wireless communication.
As a further improvement of an embodiment of the present invention, the label storage space is a concave portion disposed on a rear side surface of the refrigerator door body, the scanning device is a first wireless communication device disposed on a side surface of the concave portion, and a communication distance of the first wireless communication device is smaller than a preset value; the label is provided with a second wireless communication device, and the first wireless communication device and the second wireless communication device can perform wireless communication.
As a further improvement of an embodiment of the present invention, a plurality of mounting bases corresponding to the plurality of labels one to one are disposed in the label storage space, and a detection device is disposed in the mounting bases and is capable of detecting whether the labels are placed on the mounting bases.
Compared with the prior art, the invention has the technical effects that: the invention provides a refrigerator, a food monitoring method and a device thereof, wherein the food monitoring method can monitor whether a label is taken out of a label storage space, once the label is taken out of the label storage space, the food corresponding to the label is stored in a storage chamber, so that a user can be reminded in time when the food is overdue.
Drawings
FIG. 1 is a schematic flow chart of a food monitoring method according to a first embodiment of the present invention;
fig. 2 and 3 are schematic structural diagrams of a refrigerator door body in an embodiment of the invention, wherein fig. 3 is a cross-sectional view of a section AA in fig. 2.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Also, it should be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another. For example, a first wireless communication device may be referred to as a second wireless communication device, and similarly, a second wireless communication device may also be referred to as a first wireless communication device, without departing from the scope of the present application.
The embodiment of the invention provides a food monitoring method for a refrigerator, wherein the refrigerator can be provided with an executing device, the executing device is used for executing the food monitoring method, and the executing device can be a hardware device, a software device or a combination of hardware and software.
Here, the food monitoring method is a process performed for one label, and it is understood that in practical applications, there may be a plurality of labels, and thus, the food monitoring method may be performed for each label. Assuming that the total number of the plurality of stickers is N (N is a natural number), and each sticker corresponds to sticker information capable of uniquely identifying the sticker, each sticker corresponds to one food type, therefore, in the execution device, it is necessary to store the N pieces of sticker information corresponding to the N stickers, the food type, the use state, and the start storage time corresponding to each piece of sticker information.
Here, the label may be a clip, a label capable of being attached to the outer surface of the food, or the like.
As shown in fig. 1, the food monitoring method includes the steps of:
step 101: acquiring a plurality of continuous scanning results corresponding to the preprocessed label information, wherein the scanning results at least comprise whether the label corresponding to the preprocessed label information can be scanned; here, when a user stores food in or takes out food from the storage compartment, the door body of the refrigerator needs to be opened and then closed, so that a plurality of continuous scanning results corresponding to the preprocessed labeling information can be obtained at this time; in addition, the refrigerator can continuously acquire a plurality of continuous scanning results corresponding to the preprocessed labeling information. Here, the label information can uniquely identify the label.
Step 102: and when the label is determined to be changed from being scanned to being incapable of being scanned based on a plurality of scanning results, setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the label corresponding to the preprocessed label information is changed from being scanned to being incapable of being scanned.
Here, when a certain label is placed in the label storage space, the refrigerator can scan the label; on the contrary, when the label is not stored in the label storage space, the refrigerator cannot scan the label.
In the initial state, all the N stickers are placed in the sticker storage space, and at this time, the refrigerator can scan the N stickers. When a user wants to store a certain food in the storage compartment, the user takes out the label corresponding to the type of the food from the label storage space, sticks/cards the label to the food, and then stores the food in the storage compartment. When a user wants to take a certain food from the storage chamber, the user takes the label on the food off and puts the food into the label storage space, and at the moment, the refrigerator can scan the label again. In summary, when the label corresponding to the preprocessed label information is scanned, it indicates that the label is not used, and therefore, the use status corresponding to the preprocessed label information needs to be set to N.
Here, when the label corresponding to the preprocessed label information is changed from being scannable to being scannable, it means that when the refrigerator door is opened, the user takes out the label, sticks/cards the label to the corresponding food, and puts the food into the storage compartment; at this time, the use status of the preprocessed labeling information needs to be set to Y, and the putting time of the food is the current time.
Step 103: and setting the use state corresponding to the preprocessed labeling information as N when the labeling is determined to be changed from being incapable of being scanned to being capable of being scanned based on a plurality of scanning results.
Here, when the label corresponding to the preprocessed label information is changed from being scannable to being scannable, it indicates that the user takes out the food, removes the label from the food, and puts the label into the label storage space when the refrigerator door is opened.
Here, Y and N are two different state values, e.g., Y indicates whether N is tabulated or not.
In this embodiment, the method further includes the following steps: and when the use state corresponding to the preprocessed labeling information is Y and the difference value between the current time and the corresponding storage starting time is larger than the quality guarantee period of the corresponding food, pushing a message that the food is out of date.
Here, if the usage status of the pre-processing label information is Y, it indicates that the food corresponding to the pre-processing label information is stored in the storage compartment, and if the difference between the current time and the initial storage time is greater than the quality guarantee period, it indicates that the quality guarantee period has passed, and it is necessary to remind the user.
Here, the specific way of "pushing the message that the food is expired" may be: the message is pushed through a display screen, is broadcast through a loudspeaker, and is sent to a mobile phone of a user.
In this embodiment, the method further includes the following steps: and when the use state corresponding to the preprocessed labeling information is Y and the early warning time threshold value of the corresponding food is less than or equal to the quality guarantee period of the corresponding food, pushing a message that the food is about to expire, wherein the early warning time threshold value is less than the quality guarantee period. Here, when the storage time of the food in the storage compartment is greater than the warning time threshold and is less than or equal to the shelf life, the food is not expired but will be expired, so that a message that the food will be expired can be pushed to the user.
Here, a specific way to "push food, i.e. a message that will expire" may be: the message is pushed through a display screen, is broadcast through a loudspeaker, and is sent to a mobile phone of a user.
In this embodiment, the step of setting the use state corresponding to the preprocessed label information as Y and the corresponding storage start time as the time when the label corresponding to the preprocessed label information is scanned from being capable to being incapable of being scanned based on the scanning results specifically includes:
and when the label is determined to be changed from being scanned to being incapable of being scanned based on a plurality of scanning results, setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the label corresponding to the preprocessed label information is changed from being scanned to being incapable of being scanned, and modifying the food corresponding to the preprocessed label information based on a modification instruction received from an input device.
In practical use, the labels may be insufficient, for example, the beef label is insufficient, and the user can use the pork label on the beef, so that when the user puts food into the storage compartment, the user needs to be provided with an opportunity to modify the food corresponding to the preprocessed label information.
In this embodiment, the step of obtaining a plurality of continuous scanning results corresponding to the preprocessed label information specifically includes continuously performing the following operations for a plurality of times: establishing communication connection with a plurality of labels in the label storage space, acquiring label information of the labels, and scanning when the preprocessed label information is determined to exist in the label information; otherwise, the scanning result is that the scanning cannot be achieved.
Here, each label is provided with a communication device, and the refrigerator is also provided with a communication device, so that the label can be in communication connection with the refrigerator based on the two communication devices, and the label can transmit label information to the refrigerator.
In this embodiment, the "establishing communication connection with a plurality of labels in the label storage space" specifically includes: and establishing NFC (Near Field Communication) Communication connection or RFID (Radio Frequency Identification) Communication connection with a plurality of labels in the label storage space.
Optionally, the "obtaining a plurality of continuous scanning results corresponding to the preprocessed labeling information" specifically includes continuously performing the following operations for a plurality of times: acquiring a detection result of a detection device which is positioned in the label storage space and corresponds to the preprocessed label information, wherein when the detection result is that the label is detected, the scanning result is that the label can be scanned; otherwise, the scanning result is that the scanning cannot be achieved.
Here, in the label storage space, a plurality of detecting means (e.g., a mechanical switch or a magnetic induction switch, etc.) are provided, each of which corresponds to a specific label, and which can detect whether or not the label is prevented from being present thereon.
The second embodiment provides a food monitoring device of a refrigerator, which comprises the following modules:
the first information acquisition module is used for acquiring a plurality of continuous scanning results corresponding to the preprocessed label information, wherein the scanning results at least comprise whether the label corresponding to the preprocessed label information can be scanned;
the first processing module is used for setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the label corresponding to the preprocessed label information is changed from being capable of being scanned to being incapable of being scanned when the label is determined to be changed from being capable of being scanned to being incapable of being scanned based on a plurality of scanning results;
and the second processing module is used for setting the use state corresponding to the preprocessed label information to be N when the label is determined to be capable of being scanned from the condition that the label cannot be scanned based on a plurality of scanning results.
An embodiment of the present invention provides a refrigerator, as shown in fig. 2 and 3, including:
a plurality of labels, a scanning device 12 and a label storage space; the scanning device 12 is only able to scan stickers stored in the sticker storage space. Here, when the user sticks/cards a label to food and stores the food in the storage compartment, the scanner 12 cannot scan the label; conversely, when the user stores the label in the label storage space 13, the scanning device 12 is capable of scanning the label.
In this embodiment, the label storage space is a concave portion 13 disposed on the rear side surface of the refrigerator door 1, the scanning device 12 is a first wireless communication device disposed on the side surface of the concave portion 13, and the concave portion 13 is wrapped by a metal shell; the label is provided with a second wireless communication device, and the first wireless communication device and the second wireless communication device can perform wireless communication. Here, the side where the scanner 12 is located is the side facing the outside of the refrigerator door 1, and since the concave portion 13 is enclosed by the metal case, the scanner 12 can communicate only with the label located in the label storage space.
In this embodiment, the label storage space is a concave portion 13 disposed on the rear side surface of the refrigerator door 1, the scanning device 12 is a first wireless communication device disposed on the side surface of the concave portion 13, and a communication distance of the first wireless communication device is smaller than a preset value; the label is provided with a second wireless communication device, and the first wireless communication device and the second wireless communication device can perform wireless communication.
Here, the side where the scanning device 12 is located is the side facing the outside of the refrigerator door 1, and here, by setting the preset value, the scanning device 12 can only communicate with the label located in the label storage space, for example, adjust the power of the first wireless communication device.
In this embodiment, the label storage space is provided with a plurality of mounting bases 11 corresponding to the labels one to one, and the mounting bases 11 are provided with detection devices capable of detecting whether the labels are placed on the mounting bases 11.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (11)
1. A food monitoring method of a refrigerator, comprising the steps of:
acquiring a plurality of continuous scanning results corresponding to the preprocessed label information, wherein the scanning results at least comprise whether the label corresponding to the preprocessed label information can be scanned;
when the labels are determined to be changed from being scanned to being incapable of being scanned based on a plurality of scanning results, setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the labels corresponding to the preprocessed label information are changed from being scanned to being incapable of being scanned;
and setting the use state corresponding to the preprocessed labeling information as N when the labeling is determined to be changed from being incapable of being scanned to being capable of being scanned based on a plurality of scanning results.
2. The food monitoring method of claim 1, further comprising the steps of:
and when the use state corresponding to the preprocessed labeling information is Y and the difference value between the current time and the corresponding storage starting time is larger than the quality guarantee period of the corresponding food, pushing a message that the food is out of date.
3. The food monitoring method of claim 1, further comprising the steps of:
and when the use state corresponding to the preprocessed labeling information is Y and the early warning time threshold value of the corresponding food is less than or equal to the quality guarantee period of the corresponding food, pushing a message that the food is about to expire, wherein the early warning time threshold value is less than the quality guarantee period.
4. The food monitoring method according to claim 1, wherein the setting the usage status of the preprocessed label information as Y and the corresponding storage time as the time when the label corresponding to the preprocessed label information is scanned from being capable to being incapable of being scanned when the label is determined to be scanned from being capable to being incapable of being scanned based on the scanning results specifically comprises:
and when the label is determined to be changed from being scanned to being incapable of being scanned based on a plurality of scanning results, setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the label corresponding to the preprocessed label information is changed from being scanned to being incapable of being scanned, and modifying the food corresponding to the preprocessed label information based on a modification instruction received from an input device.
5. The food monitoring method of claim 1,
the step of obtaining a plurality of continuous scanning results corresponding to the preprocessed labeling information specifically includes continuously executing the following operations for a plurality of times: establishing communication connection with a plurality of labels in the label storage space, acquiring label information of the labels, and scanning when the preprocessed label information is determined to exist in the label information; otherwise, the scanning result is that the scanning cannot be achieved.
6. The food monitoring method of claim 5, wherein: the step of establishing communication connection with a plurality of labels in the label storage space specifically comprises the following steps: and establishing NFC communication connection or RFID communication connection with a plurality of labels in the label storage space.
7. A food monitoring device of a refrigerator is characterized by comprising the following modules:
the first information acquisition module is used for acquiring a plurality of continuous scanning results corresponding to the preprocessed label information, wherein the scanning results at least comprise whether the label corresponding to the preprocessed label information can be scanned;
the first processing module is used for setting the use state corresponding to the preprocessed label information as Y and the corresponding storage starting time as the time when the label corresponding to the preprocessed label information is changed from being capable of being scanned to being incapable of being scanned when the label is determined to be changed from being capable of being scanned to being incapable of being scanned based on a plurality of scanning results;
and the second processing module is used for setting the use state corresponding to the preprocessed label information to be N when the label is determined to be capable of being scanned from the condition that the label cannot be scanned based on a plurality of scanning results.
8. A refrigerator, characterized by comprising:
a plurality of labels, a scanning device (12) and a label storage space; the scanning device (12) is only able to scan stickers stored in the sticker storage space.
9. The refrigerator according to claim 8, wherein:
the label storage space is a concave part (13) arranged on the rear side face of the refrigerator door body (1), the scanning device (12) is a first wireless communication device arranged on the side face of the concave part (13), and the concave part (13) is wrapped by a metal shell; the label is provided with a second wireless communication device, and the first wireless communication device and the second wireless communication device can perform wireless communication.
10. The refrigerator according to claim 8, wherein:
the label storage space is a concave part (13) arranged on the rear side face of the refrigerator door body (1), the scanning device (12) is a first wireless communication device arranged on the side face of the concave part (13), and the communication distance of the first wireless communication device is smaller than a preset value; the label is provided with a second wireless communication device, and the first wireless communication device and the second wireless communication device can perform wireless communication.
11. The refrigerator according to claim 8, wherein:
the label storage space is internally provided with a plurality of mounting bases (11) which correspond to the labels one to one, and the mounting bases (11) are internally provided with a detection device which can detect whether the labels are placed on the mounting bases (11).
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| CN201911029812.8A CN112728859A (en) | 2019-10-28 | 2019-10-28 | Refrigerator, food monitoring method and device |
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| CN201911029812.8A CN112728859A (en) | 2019-10-28 | 2019-10-28 | Refrigerator, food monitoring method and device |
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Application publication date: 20210430 |