TW202141377A - Refrigerator food material management system and control method thereof with which a voice recognition function is provided to facilitate management of food materials - Google Patents

Abstract

Provided is a refrigerator food material management system, which includes a refrigerator, a food material management server and a sound pickup apparatus. The food material management server stores a food material database including a plurality of pre-stored food material names and a plurality of preservation time lengths, and a storage list database including a plurality of food material storage data. The sound pickup module is used for receiving voice data, and generating a voice recognition result including a specific food material name according to the voice data for being transmitted to the food material management server. When the food material management server determines that the specific food material name is consistent with the pre-stored food material name, serving as a target food material name, in the plurality of pre-stored food material names, a target food material expiration date is generated according to the preservation time length corresponding to the target food material name and the current time, and one item of food material storage data is newly added to the storage list database according to the target food material name and the target food material expiration date.

Description

Refrigerator food material management system and control method thereof

The invention relates to a refrigerator food management system, in particular to a refrigerator food management system with a voice recognition function. The invention also relates to a control method of a refrigerator food management system.

The existing refrigerator food management system is used by the user to manually enter and take out the relevant information of the food in and out of the refrigerator, such as the name and shelf life, into the application of the mobile phone or tablet, so that it can be obtained when the application is subsequently operated. Know the information of all the ingredients in the refrigerator at present, but because the aforementioned method requires the user to manually enter the data into the application, if the user is lazy or forgets to enter the relevant information, the application will not be able to know the preservation of all the ingredients in the refrigerator in time Time limit, and as long as you forget to type it once or twice, it may cause the user to be unable to fully control the relevant information of all the ingredients in the refrigerator or to supplement the relevant information later because of the need to add too much relevant information and lack the motivation to enter the data The application program makes the existing refrigerator food management system lose its proper function. Therefore, the existing refrigerator food management system still has room for improvement.

Therefore, the purpose of the present invention is to provide a refrigerator food management system to solve the problem that the existing refrigerator food management system needs to manually enter data.

Another object of the present invention is to provide a control method of a refrigerator food management system.

Therefore, in some embodiments, the present invention includes a refrigerator, a food management server, and a radio device.

The refrigerator includes a door switch sensing unit, a communication unit, and a processing unit electrically connected to the door switch sensing unit and the communication unit.

The ingredient management server stores an ingredient database and a storage list database. The ingredient database includes a plurality of pre-stored ingredient names and a plurality of storage time lengths corresponding to the names of the pre-stored ingredients. The storage list database includes Multiple food storage data, each food storage data includes a storage food name and a food period.

The radio device is electrically connected to the food management server and the refrigerator, and includes a radio module, a communication module, and a processing module electrically connected to the radio module and the communication module. The radio module is used for In order to receive a user's voice data, the voice data includes an instruction to put in or take out action information and a specific food ingredient name.

When the processing unit of the refrigerator determines that a sensing result of the door switch sensing unit indicates that it is turned on, the processing unit transmits a door opening notification to the radio device via the communication unit.

After the processing module of the radio device receives the notification of opening the box door via the communication module, the processing module controls the radio module to receive sound.

When the radio module receives the voice data from the user, the processing module generates a voice recognition result based on the voice data, and sends the voice recognition result to the food management server, the voice recognition result includes The action information and the name of the specific ingredient.

After the food management server receives the voice recognition result and determines that the action instruction is placed, it determines whether the specific food name of the voice recognition result matches one of the pre-stored food names in the food database.

When the ingredient management server determines that the name of the specific ingredient in the voice recognition result matches the name of one of the stored ingredients in the ingredient database as a target ingredient name, the ingredient management server matches the name of the target ingredient according to the target ingredient The length of the saveable time corresponding to the name and the current time produce a target ingredient expiration date.

After the ingredient management server generates the target ingredient expiration date, it adds a piece of ingredient storage data to the storage list database according to the target ingredient name and the target ingredient expiration date.

In some implementation aspects, the food management server also stores a user database that includes a plurality of pre-stored user names and a plurality of pre-stored user voiceprints corresponding to the pre-stored user names. .

After the radio module receives the voice data from the user, the processing module also generates a voiceprint data to be recognized based on the voice data, and sends the voiceprint data to be recognized to the food management server; After the food management server receives the voiceprint data to be recognized, the food management server determines whether the voiceprint data to be recognized matches one of the pre-stored user voiceprints in the user database.

When the food management server determines that the voiceprint data to be recognized matches one of the pre-stored user voiceprints in the user database as a target voiceprint, the food management server matches The pre-stored user name corresponding to the target voiceprint generates an operation user name.

The food storage data generated by the food management server also includes the operation user name.

In some implementation aspects, the food management server is adapted to communicate with a web server.

When the food management server determines that the name of the specific food in the voice recognition result does not match any of the pre-stored food names in the food database, the food management server uses web crawling technology to serve the web page The device collects and obtains a collection result indicating the storage time length of the ingredient whose name matches the name of the specific ingredient.

The ingredient management server generates the target ingredient expiration date based on the collected results and the current time; after the ingredient management server generates the target ingredient expiration date, it adds an ingredient storage data to the storage based on the specific ingredient name and the target ingredient expiration date List database.

In some implementation aspects, after the food management server obtains the collection result, the specific food name and the collection result are respectively regarded as the corresponding pre-stored food name and the storage time length and added to the food database.

In some embodiments, the radio device further includes a speaker module electrically connected to the processing module, and the processing module of the radio device receives the notification of opening the box door and controls the processing module Before the radio module receives the sound, it controls the speaker module to send out a voice prompt message for prompting the user to express the voice data.

In some embodiments, the radio device is a smart speaker.

In some embodiments, the food management server is adapted to communicate with a consumer electronic device for the user to operate.

When the food material management server determines that one of the food material storage data in the storage list database is used as a current food material data of the food material storage data, the difference between the period of the food material and the current time is less than a threshold value, the food material management server Send a current reminder message related to the current food information to the consumer electronic device for display by the consumer electronic device.

In some implementations, the food management server, after receiving the voice recognition result and determining that the action information instruction is taken out, determines whether the name of the specific food in the voice recognition result matches the storage list database. The name of the stored food in one of the food storage data matches.

When the food management server determines that the name of the specific food in the voice recognition result matches the name of the stored food in one of the food storage data in the storage list database as a target storage data of the food storage data, the food management The server will delete the target storage data from the storage list database.

The control method of the refrigerator food management system of the present invention is implemented by a refrigerator food management system. The refrigerator food management system includes a refrigerator, an food management server and a radio device. The refrigerator includes a door switch sensing unit and a communication unit , And a processing unit electrically connected to the door switch sensing unit and the communication unit. The food management server stores a food material database and a storage list database. The food material database includes a plurality of pre-stored food names and a plurality of Corresponding to the storage time length of the names of the pre-stored ingredients, the storage list database contains multiple ingredient storage data, and each ingredient storage data includes a stored ingredient name and an ingredient expiration date, the radio device and the ingredient management server It is electrically connected to the refrigerator, and includes a radio module, a communication module, and a processing module electrically connected to the radio module and the communication module. The radio module is used to receive a user's voice data , The voice data includes an instruction to put in or take out action information and a specific ingredient name, the method includes: when the processing unit of the refrigerator determines that a sensing result of the door switch sensing unit indicates that the door switch is turned on, the processing unit Send a box door opening notification to the radio device via the communication unit; after the processing module of the radio device receives the box door opening notification via the communication module, the processing module controls the radio module to receive radio; After the radio module receives the voice data from the user, the processing module generates a voice recognition result based on the voice data, and sends the voice recognition result to the food management server, and the voice recognition result includes the action Information and the name of the specific ingredient; after the ingredient management server receives the voice recognition result and determines that the action instruction is placed, it determines whether the name of the specific ingredient in the voice recognition result is the same as the pre-stored ingredients in the ingredient database One of the names matches; when the food management server determines that the name of the specific food in the voice recognition result matches one of the stored food names in the food database as a target food name, the food management The server generates a target ingredient expiration date according to the storage time length and the current time corresponding to the target ingredient name; after the ingredient management server generates the target ingredient expiration date, it adds an ingredient based on the target ingredient name and the target ingredient expiration date Save data to the storage list database.

The present invention has at least the following effects: receiving the voice data from the user through the radio module, generating the voice recognition result based on the voice data, and sending the voice recognition result including the name of the specific food to the food management server , And after the food management server determines that the name of the specific food in the voice recognition result matches one of the pre-stored food names in the food database as the pre-stored food name of the target food name, it corresponds to the target food name The length of the storage time and the current time generate the target ingredient expiration date, and add a piece of ingredient storage data to the storage list database according to the target ingredient name and the target ingredient expiration date, so that the user can put the ingredients in the refrigerator Add food storage data to the storage list database by voice. In addition, the processing unit of the refrigerator determines that the sensing result of the door switch sensing unit indicates that the door is opened and then sends the box door open notification to the In the case of a radio device, the processing module of the radio device controls the radio module to receive the sound, so that the radio module can only receive the sound when the user opens the refrigerator, so as to reduce the energy consumption of the radio device and avoid the radio The module receives the wrong voice data such as conversations in daily life.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numbers.

1, an embodiment of a refrigerator food management system 100 of the present invention includes a refrigerator 1, a food management server 2, a radio device 3, a web server 800, and a consumer electronic device 900.

The refrigerator 1 includes a door switch sensing unit 11, a communication unit 12, and a processing unit 13 electrically connected to the door switch sensing unit 11 and the communication unit 12. The food management server 2 stores a user database, a food database and a storage list database. The user database includes a plurality of pre-stored user names and a plurality of pre-stored user voiceprints respectively corresponding to the pre-stored user names. The food material database includes a plurality of pre-stored food names (for example, toast) and a plurality of storage time lengths (for example, 14 days) corresponding to the names of the pre-stored food materials. The storage list database contains multiple food storage data, and each food storage data includes an operating user name, a storage food name, and a food period (for example, 2020/3/1).

The radio device 3 is, for example, a smart speaker, but not limited to this. The radio device 3 is electrically connected to the food management server 2 and the refrigerator 1, and includes a radio module 31 and a communication module 32 A processing module 33 electrically connected to the radio module 31 and the communication module 32, and a speaker module 34 electrically connected to the processing module 33. The radio module 31 is used to receive a voice data from a user, and the voice data includes an action information indicating putting in or taking out and a specific ingredient name indicating the name of the ingredient of the current operation.

1 to 3, the following describes the steps executed by the refrigerator food management system 100 in this embodiment. First, as shown in step S01, the processing unit 13 of the refrigerator 1 determines whether a sensing result of the door switch sensing unit 11 indicates opening, and if the processing unit 13 of the refrigerator 1 determines that the sensing result indicates opening ( A user opens the door of the refrigerator 1), then step S02 is executed. If the processing unit 13 determines that the sensing result does not indicate opening, the process ends.

As shown in step S02, the processing unit 13 of the refrigerator 1 transmits a door opening notification to the radio device 3 via the communication unit 12.

Then, as shown in step S03, after the processing module 33 of the radio device 3 receives the box door opening notification via the communication module 32, it will control the speaker module 34 to send out a message for prompting the user to express The action information required by the voice data and the voice prompt message for the name of the specific ingredient. Examples of the voice prompt message can be "Please tell me how to take out or put the ingredients in this action?" What is the name of the ingredients?" etc., but not limited to the aforementioned examples.

Then, as shown in step S04, the processing module 33 of the radio device 3 controls the radio module 31 to receive sound.

Then, as shown in step S05, after the radio module 31 receives the voice data from the user, the processing module 33 generates a voice recognition result based on the voice data. The voice recognition result includes the action information and the specific The name of the ingredient.

Then, as shown in step S06, the processing module 33 also generates a voiceprint data to be recognized based on the voice data.

Then, as shown in step S07, the processing module 33 transmits the voice recognition result generated in step S05 and the to-be-recognized voiceprint data generated in step S06 to the food management server 2.

Then, as shown in step S08, the food management server 2 determines whether the to-be-identified voiceprint data matches one of the pre-stored user voiceprints in the user database, and if the foregoing two match, it then executes Step S09, if the foregoing two do not match, the process ends.

As shown in step S09, the food management server 2 generates an operation user name according to the pre-stored user name corresponding to the target voiceprint. For example, if the voiceprint data to be recognized and a pre-stored in the food If the management server 2 matches the voiceprint of the corresponding pre-stored user whose name is Xiaoming, an instruction instructing Xiaoming to be the name of the operating user is generated.

Next, as shown in step S10, the food management server 2 will determine whether the action information of the voice recognition result is an instruction to put in or take out. If the action information is an instruction to put in, then step S11 is executed, if the action information If it is an instruction to take out, then step S17 is executed next.

As shown in step S11, after the food management server 2 receives the voice recognition result and determines that the action instruction is inserted, it will determine whether the name of the specific food in the voice recognition result matches the pre-stored food database One of the names of the ingredients matches, if the foregoing two match, then step S12 is executed, and if the foregoing two do not match, then step S14 is executed next.

As shown in step S12, the food management server 2 generates a target food expiration date according to the storable time length and the current time corresponding to the target food name. For example, if the storable time length is 7 days and the current time is On January 1, 2020, the deadline for the target ingredient is January 1, 2020 plus 7 days, that is, January 8, 2020, but the record format of the target ingredient deadline is not limited to the aforementioned examples, and the target ingredient deadline can be Record in "2020/1/7", "2020/01/07", etc.

As shown in step S13, after the ingredient management server 2 generates the target ingredient expiration date, it adds a piece of ingredient storage data to the storage list database according to the target ingredient name, the target ingredient expiration date, and the operating user name.

On the other hand, when the food management server 2 determines that the name of the specific food in the voice recognition result does not match one of the names of the pre-stored food in the food database, for example, if the name of the specific food is "egg" , But the name of the pre-stored ingredient named "egg" is not pre-stored in the ingredient database, then in step S14, the ingredient management server 2 communicates with a web server 800, and uses web crawling technology on the web page The server 800 collects data to obtain a collection result indicating the storage time of an ingredient whose name matches the name of the specific ingredient. For example, the ingredient management server 2 can use web crawling technology to obtain the name from the web server 800 The storage time of "egg" ingredients is 7 days.

Then, as shown in step S15, the food management server 2 generates the target food expiration date according to the collection result and the current time.

Then, as shown in step S16, the food management server 2 regards the name of the specific food and the collection result as the name of the pre-stored food and the length of storage time corresponding to each other, and adds it to the food database. After step S16 is executed, step S13 is executed, that is, the food management server 2 adds a food storage data to the storage list database according to the specific food name, the target food expiration date, and the operating user name.

On the other hand, when the food management server 2 determines that the action information of the voice recognition result is fetched, then in step S17, the food management server 2 determines the name of the specific food and the storage list of the voice recognition result One of the food storage data in the database matches the storage food name of the food storage data as a target storage data. If the foregoing two are consistent, then step S18 is performed. If the foregoing two do not match, the process ends.

As shown in step S18, the food management server 2 deletes the target storage data from the storage list database. For example, if the food management server 2 determines that the name of the specific food is "egg", and the The storage list database contains the food storage data as the target storage data and the name of the stored food material is "egg", then the target storage data is deleted from the storage list database.

Referring to FIG. 4, the steps performed by the refrigerator food management system 100 in this embodiment are described below. The food management server 2 communicates with a user-end electronic device 900 for the user to operate. First, as shown in step S101, the food management server 2 determines whether the difference between the expiration date of the food and the current time of one of the food storage data in the storage list database is less than a threshold, and if the difference is less than one If the difference is not less than a threshold, then step S102 is executed. If the difference is not less than a threshold, the process ends.

As shown in step S102, when the food management server 2 determines that one of the food storage data in the storage list database is used as a current food storage data, the difference between the expiration date of the food and the current time is less than the threshold , The food management server 2 sends a current reminder message related to the current food data to the consumer electronic device 900.

Then, as shown in step S103, after the consumer electronic device 900 receives the spot reminder message, it will display and remind the user.

In summary, the refrigerator food management system 100 of the present invention receives the voice data from the user through the radio module 31, generates the voice recognition result based on the voice data, and then transmits the voice recognition result including the name of the specific food. To the food management server 2, and the food management server 2 determines that the name of the specific food in the voice recognition result matches one of the pre-stored food names in the food database as the target food name. Then, the target ingredient expiration date is generated according to the storage time length and the current time corresponding to the target ingredient name, and a piece of ingredient storage data is added to the storage list database according to the target ingredient name and target ingredient expiration date, so that the user The food storage data can be added to the storage list database by voice when the food is put into the refrigerator 1. In addition, the processing unit 13 of the refrigerator 1 determines the sensing of the door switch sensing unit 11 After the result indicates that the door opening notification is sent to the radio device 3 after the result indicates that the door is opened, the processing module 33 of the radio device 3 controls the radio module 31 to receive the sound, so that the radio module is only used when the user opens the refrigerator 1 31 will receive the sound, so as to reduce the energy consumption of the radio device 3 and prevent the radio module 31 from receiving wrong voice data such as conversations in daily life, so it can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention, and should not be used to limit the scope of implementation of the present invention, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

1: refrigerator 11: Door switch sensing unit 12: Communication unit 13: Processing unit 2: Food management server 3: Radio device 31: Radio module 32: Communication module 33: Processing module 34: Speaker module 100: Refrigerator food management system 800: web server 900: Consumer electronics S01~S18: steps S101~S103: steps

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a schematic diagram of a hardware connection relationship of an embodiment of the refrigerator food management system of the present invention; and Figures 2 to 4 are a flowchart of this embodiment.

1: refrigerator

11: Door switch sensing unit

12: Communication unit

13: Processing unit

2: Food management server

3: Radio device

31: Radio module

32: Communication module

33: Processing module

34: Speaker module

100: Refrigerator food management system

800: web server

900: Consumer electronics

Claims (10)

A refrigerator food management system, including: A refrigerator including a door switch sensing unit, a communication unit, and a processing unit electrically connected to the door switch sensing unit and the communication unit; An ingredient management server, which stores an ingredient database and a storage list database. The ingredient database includes a plurality of pre-stored ingredient names and a plurality of storage time lengths corresponding to the names of the pre-stored ingredients. The storage list database Contains multiple food storage data, each food storage data includes a storage food name and a food period; and A radio device, electrically connected to the food management server and the refrigerator, and includes a radio module, a communication module, and a processing module electrically connected to the radio module and the communication module, the radio module Used to receive a user's voice data, the voice data includes an instruction to put in or take out action information and a specific food name; When the processing unit of the refrigerator determines that a sensing result of the door switch sensing unit indicates that it is turned on, the processing unit transmits a door opening notification to the radio device via the communication unit; After the processing module of the radio device receives the notification that the box door is opened via the communication module, the processing module controls the radio module to receive sound; When the radio module receives the voice data from the user, the processing module generates a voice recognition result based on the voice data, and sends the voice recognition result to the food management server, the voice recognition result includes The action information and the name of the specific ingredient; After the food management server receives the voice recognition result and determines that the action instruction is inserted, it determines whether the specific food name of the voice recognition result matches one of the pre-stored food names in the food database; When the ingredient management server determines that the name of the specific ingredient in the voice recognition result matches the name of one of the stored ingredients in the ingredient database as a target ingredient name, the ingredient management server matches the name of the target ingredient according to the target ingredient The length of the storage time corresponding to the name and the current time produce a target ingredient expiration date; After the ingredient management server generates the target ingredient expiration date, it adds a piece of ingredient storage data to the storage list database according to the target ingredient name and the target ingredient expiration date. The refrigerator food management system according to claim 1, wherein the food management server further stores a user database, and the user database includes a plurality of pre-stored user names and a plurality of user names corresponding to the pre-stored users. Pre-stored user voiceprint of the name; After the radio module receives the voice data from the user, the processing module also generates a voiceprint data to be recognized based on the voice data, and sends the voiceprint data to be recognized to the food management server; After the food management server receives the voiceprint data to be recognized, the food management server determines whether the voiceprint data to be recognized matches one of the pre-stored user voiceprints in the user database; When the food management server determines that the voiceprint data to be recognized matches one of the pre-stored user voiceprints in the user database as a target voiceprint, the food management server matches The pre-stored user name corresponding to the target voiceprint generates an operation user name; The food storage data generated by the food management server also includes the operation user name. The refrigerator food management system according to claim 1 or 2, wherein the food management server is adapted to communicate with a web server; When the food management server determines that the name of the specific food in the voice recognition result does not match any of the pre-stored food names in the food database, the food management server uses web crawling technology to serve the web page A collection result indicating the storage time length of the ingredient whose name matches the name of the specific ingredient; The ingredient management server generates the target ingredient expiration date based on the collected results and the current time; after the ingredient management server generates the target ingredient expiration date, it adds an ingredient storage data to the storage based on the specific ingredient name and the target ingredient expiration date List database. The refrigerator food material management system according to claim 3, wherein after the food material management server obtains the collection result, the specific food material name and the collection result are respectively regarded as the name of the pre-stored food material and the storage time length corresponding to each other And join the ingredient database. The refrigerator food management system according to claim 1, wherein the radio device further includes a speaker module electrically connected to the processing module, and the processing module of the radio device receives the notification of opening the box door, And before the processing module controls the radio module to receive the sound, the speaker module is controlled to send out a voice prompt message for prompting the user to express the voice data. The refrigerator food management system according to claim 1, wherein the radio device is a smart speaker. The refrigerator food management system according to claim 1, wherein the food management server is adapted to communicate with a user-end electronic device operated by the user; When the food material management server determines that one of the food material storage data in the storage list database is used as a current food material data of the food material storage data, the difference between the period of the food material and the current time is less than a threshold value, the food material management server Send a current reminder message related to the current food information to the consumer electronic device for display by the consumer electronic device. The refrigerator food management system according to claim 1, wherein, after the food management server receives the voice recognition result and determines that the action information instruction is taken out, it determines whether the name of the specific food in the voice recognition result is the same as the storage One of the food storage data in the inventory database matches the storage food name; When the food management server determines that the name of the specific food in the voice recognition result matches the name of the stored food in one of the food storage data in the storage list database as a target storage data of the food storage data, the food management The server will delete the target storage data from the storage list database. A control method of a refrigerator food management system is implemented by a refrigerator food management system. The refrigerator food management system includes a refrigerator, an food management server and a radio device. The refrigerator includes a door switch sensing unit and a communication unit, And a processing unit electrically connected to the door switch sensing unit and the communication unit. The food management server stores a food database and a storage list database. The food database includes a plurality of pre-stored food names and a plurality of respective Corresponding to the length of time that the names of the pre-stored ingredients can be stored, the storage list database contains multiple ingredient storage data, and each ingredient storage data includes a stored ingredient name and an ingredient expiration date. The radio device and the ingredient management server and The refrigerator is electrically connected and includes a radio module, a communication module, and a processing module electrically connected to the radio module and the communication module. The radio module is used for receiving a voice data of a user, The voice data contains an instruction to put in or take out action information and a specific food ingredient name, the method includes: When the processing unit of the refrigerator determines that a sensing result of the door switch sensing unit indicates that it is turned on, the processing unit transmits a door opening notification to the radio device via the communication unit; After the processing module of the radio device receives the notification that the box door is opened via the communication module, the processing module controls the radio module to receive sound; After the radio module receives the voice data from the user, the processing module generates a voice recognition result based on the voice data, and sends the voice recognition result to the food management server, the voice recognition result includes The action information and the name of the specific ingredient; After the food management server receives the voice recognition result and determines that the action instruction is placed, it determines whether the specific food name of the voice recognition result matches one of the pre-stored food names in the food database; When the ingredient management server determines that the name of the specific ingredient in the voice recognition result matches the name of one of the stored ingredients in the ingredient database as a target ingredient name, the ingredient management server matches the name of the target ingredient according to the target ingredient The length of the storage time corresponding to the name and the current time produce a target ingredient expiration date; After the ingredient management server generates the target ingredient expiration date, it adds a piece of ingredient storage data to the storage list database according to the target ingredient name and the target ingredient expiration date. The control method of a refrigerator food management system according to claim 9, wherein the food management server further stores a user database, the user database includes a plurality of pre-stored user names and a plurality of user names corresponding to the Pre-stored user's voiceprint with pre-stored user name, the method also includes: After the radio module receives the voice data from the user, the processing module also generates a voiceprint data to be recognized based on the voice data, and sends the voiceprint data to be recognized to the food management server; After the food management server receives the voiceprint data to be recognized, the food management server determines whether the voiceprint data to be recognized matches one of the pre-stored user voiceprints in the user database; When the food management server determines that the voiceprint data to be recognized matches one of the pre-stored user voiceprints in the user database as a target voiceprint, the food management server matches The pre-stored user name corresponding to the target voiceprint generates an operation user name; The food storage data generated by the food management server also includes the operation user name.

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