CN113551478B - Method and device for updating residual shelf life of food and refrigerator - Google Patents
Method and device for updating residual shelf life of food and refrigerator Download PDFInfo
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- CN113551478B CN113551478B CN202110870367.9A CN202110870367A CN113551478B CN 113551478 B CN113551478 B CN 113551478B CN 202110870367 A CN202110870367 A CN 202110870367A CN 113551478 B CN113551478 B CN 113551478B
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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
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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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
Abstract
The invention provides a method and a device for updating the remaining quality guarantee period of food and a refrigerator, and solves the problem that the quality guarantee period of food materials is difficult to grasp by a user, so that the food materials are wasted. The method for updating the residual shelf life of the food comprises the following steps: acquiring food material information and first storage time of food materials, and obtaining the remaining shelf life time of the food materials based on the food material information and the first storage time; and identifying the taking and putting back conditions of the food materials, and judging whether to update the remaining shelf life time of the food materials based on the taking and putting back conditions of the food materials.
Description
Technical Field
The invention relates to the technical field of shelf life calculation, in particular to a method and a device for updating the remaining shelf life of food and a refrigerator.
Background
Nowadays, a refrigerator is an indispensable household appliance in every household, and the refrigerator can be used for preserving food and prolonging the shelf life of the food, thereby providing great convenience for the life of people. However, in daily use of the refrigerator, some food materials, especially fresh food materials, are difficult for a user to grasp the shelf life of the food materials, or the food materials are forgotten to eat in the storage process of the refrigerator, so that the food materials are not eaten after being overdue, rotten and bacteria are bred, food waste is caused, and the health of the user and the use experience of the refrigerator are greatly influenced.
Disclosure of Invention
In view of this, the invention provides a method and a device for updating the remaining shelf life of food and a refrigerator, which solve the problem that the shelf life of food materials is difficult to be grasped by a user, so that the food materials are wasted.
The method for updating the residual quality guarantee period of the food provided by the embodiment of the invention comprises the following steps: acquiring food material information and first storage time of food materials, and obtaining the remaining shelf life time of the food materials based on the food material information and the first storage time; and identifying the taking and returning conditions of the food materials, and judging whether to update the residual shelf life time of the food materials or not based on the taking and returning conditions of the food materials and the food material information.
In one embodiment, the food material information comprises a food material type and an initial area of the food material.
In one embodiment, the step of obtaining the food material information and the first storage time of the food material, and the step of obtaining the remaining shelf life time of the food material based on the food material information and the first storage time comprises: acquiring a food material image and the first storage time of food materials; obtaining the food material type based on the food material image; obtaining the quality guarantee period of the food materials through a network database and an expert knowledge database based on the food material types; and obtaining the remaining shelf life time of the food material based on the shelf life of the food material and the first storage time of the food material.
In one embodiment, the step of identifying the taking and returning situation of the food material, and judging whether to update the remaining shelf life time of the food material based on the taking and returning situation of the food material and the food material information comprises the following steps: if the food material is partially taken, the residual shelf life of the food material is not updated; and/or identifying that the food material is completely taken and is not replaced within the first preset time, and deleting the residual shelf life of the food material.
In one embodiment, the step of identifying the taking and returning situation of the food material, judging whether to update the remaining shelf life time of the food material based on the taking and returning situation of the food material and the food material information comprises the following steps: recognizing that the food materials are all taken and replaced within a first preset time, acquiring the area of the food materials after being replaced, judging whether the area of the food materials after being replaced is larger than or equal to the area of the food materials before being taken out, and if so, recalculating the residual quality guarantee period of the food materials; if not, the residual quality guarantee period of the food material is not updated; and/or identifying that the food materials are all taken and are not replaced within the preset time, deleting the residual shelf life of the food materials, and if the same food materials are replaced after the second preset time, recalculating the residual shelf life of the food materials.
In one embodiment, the step of identifying the fetching and placing situation of the food material, and the step of determining whether to update the remaining shelf life time of the food material based on the fetching and placing situation of the food material and the food material information comprises: not recognizing that the food materials are taken, but recognizing that the same food materials are put back, acquiring the areas of all the food materials after being put back, judging whether the areas of all the food materials after being put back are more than the areas of the food materials before being taken out by a preset threshold value, and if so, recalculating the residual quality guarantee period of the food materials; if not, the residual quality guarantee period of the food material is not updated.
In one embodiment, the step of recalculating the remaining shelf life comprises: obtaining the quality guarantee period of the food materials through a network database and an expert knowledge database based on the food material types; and acquiring the time for replacing the food material, and obtaining the residual shelf life time of the food material based on the shelf life of the food material and the time for replacing the food material.
A device for renewing the remaining shelf life of a food product, comprising: the acquisition module is used for acquiring the food material information and the first storage time of the food material; the calculation module is used for obtaining the remaining shelf life time of the food material based on the food material information and the first storage time; the identification module is used for identifying the taking and putting back conditions of the food materials; and the judging module is used for judging whether to update the residual shelf life time of the food material or not based on the taking and putting back conditions of the food material and the food material information.
In one embodiment, the food material sorting device further comprises a display module, and the display module is used for sorting and displaying different food materials according to the remaining shelf life time of the food materials.
A refrigerator updates the residual shelf life of food materials by adopting the method for updating the residual shelf life of food.
According to the method and the device for updating the remaining quality guarantee period of the food and the refrigerator, provided by the embodiment of the invention, the deep learning technology is utilized to identify the food materials in the refrigerator and the food materials put in by the user, the expert knowledge base of the quality guarantee period of the fresh food materials is established, the quality guarantee period duration of the identified food materials is matched, the identification putting time is taken as a reference, the remaining quality guarantee periods are calculated and sequenced, and the remaining quality guarantee periods are displayed through an interactive interface. Meanwhile, the video stream identification based on the camera can identify the taking condition of the food material by the user in time, update the food material in time, help the user to manage and record the quality guarantee period of the fresh food material in the refrigerator, and greatly improve the user experience and the intelligent level of the refrigerator.
Drawings
Fig. 1 is a flowchart illustrating a method for updating a remaining shelf life of a food according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an apparatus for renewing a remaining shelf life of a food 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.
The applicant of the present invention finds that the existing method for distinguishing whether food is available in a refrigerator mainly comprises:
by installing the smell sensor, whether food secretes certain gas or not is monitored, whether the food is deteriorated or not is judged, and reminding is given; the method mainly judges whether food is deteriorated or not by depending on food secretion gas, and when various food gases are mixed, which food is deteriorated cannot be distinguished, and a user cannot be reminded of preferentially eating the food types in time.
Or detecting the type of food stored in the refrigerator and recording the storage time; obtaining the shelf life of the food according to the type of the food; detecting the residual storage amount of the food; judging whether the storage time of the food is close to the shelf life or not according to the storage time; and if the storage time of the food is close to the shelf life, carrying out corresponding prompt according to the residual storage amount of the food. The storage status of food in the refrigerator can be known in time by a user, so that the food is prevented from being overdue or exhausted, convenience is brought to the user, and the user experience of the refrigerator is improved. The food detection method mainly scans the identification code of the video for identification, but for fresh food, the food without the identification code cannot be identified and detected.
Or identifying the article through a camera based on an image identification technology to obtain article information; setting a suggested storage date and a freshness reminding date according to the article information; storing the article information and the set suggested storage date and the freshness reminding date through a knowledge graph; and when the articles stored in the refrigerator reach or exceed the set recommended preservation date or freshness reminding date, sending prompt information to the mobile equipment of the user. According to the scheme, the user needs to manually set the storage date of the food, so that the user experience is greatly reduced, and meanwhile, when the user adds the food again after a certain food material is not used up, the residual quality guarantee period cannot be updated in time.
Then or acquiring the food characteristic information of each food in the current storage room; acquiring a target preservation temperature according to the food characteristic information; and adjusting the temperature of the corresponding storage chamber to the target preservation temperature. The scheme only relates to a refrigerator management method, and is different in technical content for the unclear refrigerator food identification and shelf life reminding.
When the refrigerator door is detected to be opened, receiving voice information input by a user, wherein the voice information comprises basic food material change information corresponding to the change operation of the user on food materials in the refrigerator; and recognizing the voice information input by the user, preprocessing the voice information, generating complete food material change information corresponding to the change operation of the user on the food materials in the refrigerator, and transmitting the complete food material change information to the terminal, so that the terminal generates the food material management information after the food materials in the refrigerator are changed. The scheme needs to continuously interact with equipment by a user, so that the user experience is greatly reduced, and the voice interaction is convenient to manage in order to obtain the change condition of food in the refrigerator, so that the food shelf life reminding is not involved.
The applicant of the present invention believes that as various intelligent technologies are affected in an intelligent home, an intelligent refrigerator is gradually developed. The appearance of the camera can help a user to see the food materials in the refrigerator and the types of the food materials put into the refrigerator at each time, and the user can be helped to memorize the putting time, so that the intelligent refrigerator can help the user to identify and memorize the residual quality guarantee period of the fresh food materials. Therefore, aiming at the problems, the invention provides a method for updating the remaining quality guarantee period of food, which comprises the steps of shooting pictures in a refrigerator and videos shot by a user when the user puts food materials through a camera, identifying the fresh food in the refrigerator by utilizing a deep learning algorithm, then establishing a quality guarantee period expert knowledge base corresponding to the fresh food, matching the quality guarantee period of the corresponding food according to the identified food material type by starting timing when the user puts the food, calculating the remaining quality guarantee periods, sequencing and then displaying the remaining quality guarantee periods on a display screen of the refrigerator, and simultaneously identifying the taking condition of the user for a certain food material by utilizing a video stream identification algorithm. The specific embodiments are described in the following examples.
In an embodiment of the present invention, a method for updating a remaining shelf life of a food is provided, as shown in fig. 1, the method for updating a remaining shelf life of a food includes:
step 01: the method comprises the steps of obtaining food material information and first storage time of food materials, and obtaining the remaining shelf life time of the food materials based on the food material information and the first storage time. The food material information can report the type of the food material and the initial area of the food material.
The food material information is obtained, the food material can be photographed through the camera to obtain a food material image, and the food material type is obtained through analysis of the food material image by utilizing a deep learning algorithm; the initial area of the food material, namely the area of the food material when the food material is put into the food material for the first time, can be obtained based on the size of the food material identification frame in the food material image. The time for obtaining the first storage time of the food materials can be recorded as the first storage time of the food materials by the timing device after the food material information is obtained.
The step of obtaining the remaining shelf life time of the food material based on the food material information and the first storage time comprises the following steps:
based on the food material types, obtaining the quality guarantee period of the food materials through a network database and an expert knowledge database; establishing the shelf life duration corresponding to each type of food material through a network database and an expert knowledge database, and matching the shelf life duration corresponding to the type of food material in the network database and the expert knowledge database after identifying the type of food material.
And obtaining the remaining shelf life time of the food material based on the shelf life of the food material and the first storage time of the food material. Generally, due to health considerations, the shelf life is a certain threshold margin on the basis of the theoretical shelf life, for example, the shelf life of the tomatoes is 7 days, and the shelf life of the tomatoes is set to 5 days in consideration of the time consumed when the tomatoes are bought back by a user and the tomatoes are not necessarily eaten in time. And after the first storage time of the food material and the shelf life of the food material are obtained, matching the food material with the database, and calculating the residual shelf life time of the food material.
And 02, identifying the taking and returning conditions of the food materials, and judging whether to update the residual shelf life time of the food materials or not based on the taking and returning conditions of the food materials and the food material information. The video stream is identified based on the camera to identify the condition that the user takes food materials from the refrigerator, so that the refrigerator food material management and the subsequent shelf life updating are facilitated. The taking condition of food materials is as follows: the food materials are not taken, are all taken and are partially taken; the food material replacing condition comprises the following steps: not placed back and placed back. The following is specifically analyzed according to different situations:
1. if the food material is partially taken, the remaining shelf life of the food material is not updated.
2. And if the food material is completely taken and is not replaced within the first preset time, deleting the residual shelf life of the food material.
3. Recognizing that the food materials are all taken and replaced within a first preset time, acquiring the area of the food materials after being replaced, judging whether the area of the food materials after being replaced is larger than or equal to the area of the food materials before being taken out, and if so, recalculating the residual quality guarantee period of the food materials; if not, the residual quality guarantee period of the food material is not updated;
4. and identifying that the food materials are all taken and are not put back within the preset time, deleting the residual quality guarantee period of the food materials, and if the same food materials are put back after the second preset time, recalculating the residual quality guarantee period of the food materials.
5. If the food materials are not recognized to be taken and the same food materials are recognized to be placed back, acquiring the areas of all the food materials after being placed back, judging whether the areas of all the food materials after being placed back are larger than the areas of the food materials before being taken out by a preset threshold value, and if so, recalculating the remaining shelf life of the food materials; if not, the residual shelf life of the food material is not updated.
The method for recalculating the remaining shelf life of the food material is similar to the method for calculating the remaining shelf life time of the food material in the step 01, and the shelf life of the food material is obtained through a network database and an expert knowledge database based on the variety of the food material; and acquiring the time for replacing the food material, and obtaining the residual shelf life time of the food material based on the shelf life of the food material and the time for replacing the food material.
When the food materials comprise various food materials, different food materials are sorted and displayed according to the time of the updated residual quality guarantee period of each food material, the sorting method can remind a user which food is close to expiration according to the principle that the residual quality guarantee period is from short to long, and the user can preferentially eat the food with the residual quality guarantee period, so that the food waste is avoided. If the residual quality guarantee period of certain food materials judges that the food materials come in or go out, the user can modify the residual time by himself, and meanwhile, a reminding function can be set to remind the user to eat the food materials in time.
According to the method, the deep learning technology is utilized, the food materials in the refrigerator and the food materials put into the refrigerator by a user are identified, the quality guarantee period expert knowledge base of the fresh food materials is established, the quality guarantee period duration of the identified food materials is matched, the identification putting time is taken as a reference, the remaining quality guarantee periods are calculated and sequenced, and the remaining quality guarantee periods are displayed through an interactive interface. Meanwhile, the video stream identification based on the camera can identify the taking condition of the user to the food material in time, update the food material in time, help the user to manage and record the quality guarantee period of the fresh food material in the refrigerator, and greatly improve the user experience and the intelligent level of the refrigerator.
In an embodiment of the present invention, there is provided a device 100 for renewing a remaining shelf life of a food, as shown in fig. 2, the device 100 for renewing a remaining shelf life of a food includes: the device comprises an acquisition module 10, a calculation module 20, an identification module 30 and a judgment module 40. The acquisition module 10 is used for acquiring food material information and the first storage time of food materials; the calculation module 20 is used for obtaining the remaining shelf life time of the food material based on the food material information and the first storage time; the identification module 30 is used for identifying the taking and putting back conditions of food materials; the judging module 40 is used for judging whether to update the remaining shelf life time of the food material based on the taking and putting back condition of the food material and the food material information.
After the obtaining module 10 obtains the food material information and the first storage time of the food material, the calculating module 20 obtains the remaining shelf life time of the food material based on the food material information and the first storage time, then the identifying module 30 identifies the taking and returning situation of the food material, and finally the judging module 40 judges whether to update the remaining shelf life time of the food material based on the taking and returning situation of the food material and the food material information. The food material information comprises the food material type and the initial area of the food material.
Besides, the calculating module 20 is further configured to derive a food material category based on the food material image; obtaining the quality guarantee period of the food materials through a network database and an expert knowledge database based on the food material types; and obtaining the remaining shelf life time of the food material based on the shelf life of the food material and the first storage time of the food material.
In addition, the determining module 40 is further configured to recognize that the food material is partially taken, and not update the remaining shelf life of the food material; and/or identifying that the food materials are all taken and are not replaced within a first preset time, and deleting the residual shelf life of the food materials; and/or recognizing that the food materials are all taken and replaced within a first preset time, acquiring the area of the food materials after being replaced, judging whether the area of the food materials after being replaced is larger than or equal to the area of the food materials before being taken, and if so, recalculating the remaining shelf life of the food materials by the calculation module 20; if not, the residual quality guarantee period of the food material is not updated; and/or identifying that the food materials are all taken and are not replaced within the preset time, deleting the residual shelf life of the food materials, and if the same food materials are replaced after the second preset time, recalculating the residual shelf life of the food materials by the calculation module 20; and/or recognizing that the food materials are taken but the same food materials are returned, acquiring the areas of all the food materials after being returned, judging whether the areas of all the food materials after being returned are more than the areas of the food materials before being taken out by a preset threshold value, and if so, recalculating the residual shelf life of the food materials; if not, the residual shelf life of the food material is not updated.
Wherein, the obtaining module 10 obtains the time for replacing the food material, and the calculating module 20 obtains the remaining shelf life time of the food material based on the shelf life of the food material and the time for replacing the food material.
In addition, the device 100 for updating the remaining shelf life of food further comprises a display module 50 for displaying different food materials after sorting according to the remaining shelf life time of the food materials. The food materials of different types are sorted and displayed, the sorting method can be based on the principle that the remaining shelf life is from short to long so as to remind a user which food is just about to expire, and the user can preferentially eat the food with the short remaining shelf life, so that the food waste is avoided. If the residual quality guarantee period of certain food materials is judged to have access, the user can modify the residual time by himself and can set a reminding function to remind the user to eat timely.
An embodiment of the invention provides a refrigerator, which updates the residual shelf life of food materials by adopting the method for updating the residual shelf life of food in the embodiment. The refrigerator comprises a camera and a control module, wherein the camera is used for shooting images or videos of food materials in the refrigerator; the refrigerator food material identification module based on deep learning is used for obtaining food material types based on food material images; an expert knowledge database for obtaining the food material shelf life based on the food material type; a residual shelf life calculation unit for obtaining the residual shelf life time of the food material based on the food material shelf life and the first storage time of the food material; and the display interaction module is used for sequencing and displaying different food materials according to the residual shelf life time of the food materials. The food materials of different types are sorted and displayed, the sorting method can be based on the principle that the remaining shelf life is from short to long so as to remind a user which food is just about to expire, and the user can preferentially eat the food with the short remaining shelf life, so that the food waste is avoided. If the residual quality guarantee period of certain food materials is judged to have access, the user can modify the residual time by himself and can set a reminding function to remind the user to eat timely. The method includes the steps that the taking-out and putting-back actions of a certain food material are identified according to a video stream of the food material shot by a camera, when the certain food material exists, the quality guarantee period time of the food material is matched in a knowledge base, the quality guarantee period time is updated according to the fact that the food material is identified to be taken, and the updating rule is described in the embodiment and is not repeated herein.
According to the refrigerator food management system, the food materials in the refrigerator are accurately identified through the camera sensor, so that a user is helped to effectively manage the refrigerator, meanwhile, the user is helped to automatically record the quality guarantee period of fresh food in the refrigerator, the user is reminded to eat the food in time and preferentially, and the use experience of the refrigerator can be effectively improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents and the like included within the spirit and scope of the present invention.
Claims (9)
1. A method for renewing the remaining shelf life of a food product, comprising: acquiring food material information and first storage time of food materials, and obtaining the remaining shelf life time of the food materials based on the food material information and the first storage time;
if the food material is partially taken, the residual shelf life of the food material is not updated; or
Recognizing that the food materials are all taken and are not put back within a first preset time, and deleting the residual shelf life of the food materials; or
Recognizing that the food materials are all taken and replaced within a first preset time, acquiring the area of the replaced food materials, judging whether the area of the replaced food materials is larger than or equal to the area of the food materials before the food materials are taken, if so, recalculating the residual quality guarantee period of the food materials, and if not, not updating the residual quality guarantee period of the food materials.
2. The method for updating the remaining shelf life of a food according to claim 1, wherein the food material information comprises a food material type and an initial area of the food material.
3. The method for updating the remaining shelf-life of the food as recited in claim 1, wherein the step of obtaining the food material information and the first storage time of the food material, and the step of obtaining the remaining shelf-life time of the food material based on the food material information and the first storage time comprises:
acquiring a food material image and the first storage time of food materials;
obtaining the food material type based on the food material image;
obtaining the quality guarantee period of the food materials through a network database and an expert knowledge database based on the food material types;
and obtaining the remaining shelf life time of the food material based on the shelf life of the food material and the first storage time of the food material.
4. The method for renewing the remaining shelf life of a food product according to claim 1, comprising:
and identifying that the food materials are all taken and are not put back within the preset time, deleting the residual shelf life of the food materials, and if the same type of food materials are put back after the second preset time, recalculating the residual shelf life of the food materials.
5. The method for renewing the remaining shelf life of a food product according to claim 1, comprising: not recognizing that the food materials are taken, but recognizing that the same food materials are put back, acquiring the areas of all the food materials after being put back, judging whether the areas of all the food materials after being put back are more than the areas of the food materials before being taken out by a preset threshold value, and if so, recalculating the residual quality guarantee period of the food materials; if not, the residual shelf life of the food material is not updated.
6. Method for renewing the remaining shelf-life of a food product according to claim 4 or 5, characterized in that said step of recalculating the remaining shelf-life comprises:
obtaining the quality guarantee period of the food materials through a network database and an expert knowledge database based on the food material types;
the time for putting back the food material is obtained,
obtaining the remaining shelf life time of the food material based on the shelf life of the food material and the time for replacing the food material.
7. An apparatus for renewing the remaining shelf life of a food product, comprising:
the acquisition module is used for acquiring the food material information and the first storage time of the food material; acquiring the area of the food material after being placed back;
the calculation module is used for obtaining the remaining shelf life time of the food material based on the food material information and the first storage time;
the identification module is used for identifying that the food material is partially taken; or identifying that the food materials are all taken and are not put back within a first preset time; or recognizing that the food materials are all taken and put back within a first preset time;
and the judging module is used for judging whether the area of the returned food material is larger than or equal to that of the food material before the food material is taken out, if so, recalculating the residual quality guarantee period of the food material, and if not, not updating the residual quality guarantee period of the food material.
8. The apparatus for updating the remaining shelf life of food according to claim 7, further comprising a display module for displaying different food materials after sorting according to the remaining shelf life time of the food materials.
9. A refrigerator, characterized in that the refrigerator updates the residual shelf life of food materials by adopting the method for updating the residual shelf life of food as claimed in any one of the claims 1 to 6.
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| CN115111829B (en) * | 2021-03-19 | 2023-11-03 | 海信集团控股股份有限公司 | Intelligent refrigerator, quality guarantee period determining method, equipment and medium |
| CN114234513B (en) * | 2021-11-26 | 2023-02-17 | 珠海格力电器股份有限公司 | Food material shelf life reminding method and device and refrigerator |
| CN116164470B (en) * | 2023-03-03 | 2023-08-22 | 浙江航雪制冷设备有限公司 | Three-dimensional energy-saving environment-friendly odorless refrigerator system |
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