CN115077156A - Refrigerator and intelligent refrigerator system - Google Patents
Refrigerator and intelligent refrigerator system Download PDFInfo
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- CN115077156A CN115077156A CN202110260778.6A CN202110260778A CN115077156A CN 115077156 A CN115077156 A CN 115077156A CN 202110260778 A CN202110260778 A CN 202110260778A CN 115077156 A CN115077156 A CN 115077156A
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a refrigerator and an intelligent refrigerator system, wherein the refrigerator comprises: a refrigerator main body; a microphone and a speaker arranged on the refrigerator main body; the setting is inside the refrigerator main part, the speech processing circuit who is connected with microphone and speaker electricity, and it includes: the voice processing module is used for coding and generating voice data according to the voice information collected by the microphone; the voice recognition module is used for generating a voice instruction after matching the voice data generated by the voice processing module with a pre-embedded voice command vocabulary; the in-store management module records and stores food material data information of food materials stored in the main body of the refrigerator according to the voice instruction, wherein the food material data information at least comprises food material consumption time limit information which is associated with food material types and is pre-recorded and stored in the in-store management module; and the expiration counting module is used for superposing the food material data information of the consumed food material in the counting data of the expiration counting module if the current date of the consumed food material is later than the food material consumption time limit of the consumed food material.
Description
Technical Field
The invention relates to the technical field of intelligent household appliances, in particular to a refrigerator with a voice interaction function and an intelligent refrigerator system.
Background
Refrigerators, which are main storage appliances for fresh food materials, are closely related to daily life from the purchase, storage, and use of food materials, the distribution of food materials to daily in-store management, and maintenance of breakdown. With the development of the intelligent technology trend, an intelligent refrigerator for performing data management on food materials is attracting more and more attention.
The data management of the food consumption time limit is particularly important, the data statistics of the food materials according to the food material consumption time limit of the food materials can prevent a user from mistakenly eating food exceeding the food material consumption time limit to influence health, and the purchasing and using of subsequent food materials can be well planned to reduce or even avoid waste of the food materials.
In the prior art, for example, an intelligent refrigerator disclosed in chinese patent document CN109059410A uses a radio frequency tag identification scheme or an image identification scheme to implement data management of food materials in a warehouse.
Regarding the method for identifying the radio frequency tag, in order to cooperate with the use of the intelligent refrigerator, a supplier of food materials needs to attach the corresponding radio frequency tag to the surface of the food material outer package for the intelligent refrigerator to read. The radio frequency tags can increase the cost of food material suppliers, and once the radio frequency tags are not attached to part of food materials provided by the suppliers or the radio frequency tags are not easily attached to part of fresh foods, the food materials are difficult to read by an in-warehouse management system, so that the food materials from various sources cannot be comprehensively subjected to data management. On the other hand, the refrigerator body needs to be additionally provided with a radio frequency reading device which emits electromagnetic field towards the inside of the refrigerator, and the manufacturing cost and the design difficulty of the refrigerator body are increased.
The image recognition method depends on image recognition of food materials or food material outer packages, an image database with large data volume needs to be established in advance or a complex matching model needs to be trained, the error rate of the image recognition is high, and the image recognition is difficult to popularize and use in the field of intelligent refrigerators at present for diversified food materials. On the other hand, the refrigerator body also needs to be additionally provided with a special camera for reading food materials, a relevant processor and a relevant memory, and the manufacturing cost and the design difficulty of the refrigerator body are increased.
In addition, in any of the prior art, a display screen for displaying the stock information or the fault information of the refrigerator is required to be provided for the user to confirm the refrigerator, establish a purchase or use plan, or know the fault information. And the inventory information of the refrigerator is usually shown in a complex list form, and the operation of a display screen by a user is required from the purchase, storage, taking and matching of food materials to daily in-store management, fault maintenance and the like, and the operation and the user lack of interaction and the human-computer interface lack of friendly interaction.
Therefore, it is a problem in the prior art to provide a low-cost intelligent refrigerator without installing too many hardware devices, and an intelligent refrigerator which can perform accurate data management on a variety of food materials, especially on the data related to the food material consumption time limit of the food materials, and is friendly to human-computer interface.
Disclosure of Invention
In order to solve the problems, the invention provides a refrigerator and an intelligent refrigerator system, which can realize accurate data management of various food materials, especially food material consumption time limit related data of the food materials, without additionally installing too many hardware devices, and a human-computer interface can realize friendly interaction.
The refrigerator provided by the invention comprises: a refrigerator main body; a microphone and a speaker arranged on the refrigerator main body; set up at the inside voice processing circuit who is connected with microphone and speaker electricity of refrigerator main part, wherein, voice processing circuit includes:
the voice processing module is used for coding and generating voice data according to the voice information collected by the microphone;
the voice recognition module is used for generating a voice instruction after matching the voice data generated by the voice processing module with a pre-embedded voice command vocabulary;
the in-store management module records and stores food material data information of food materials stored in the main body of the refrigerator according to the voice instruction, wherein the food material data information at least comprises food material consumption time limit information which is associated with food material types and is pre-recorded and stored in the in-store management module;
and the expiration counting module is used for superposing the food material data information of the consumed food material in the counting data of the expiration counting module if the current date of the consumed food material is later than the food material consumption time limit of the consumed food material.
According to the refrigerator provided by the invention, firstly, the speed of voice recognition on information processing is high, the efficiency is high, a user can put in or take out food materials and send out voice for the microphone to collect voice information, and can send out the voice information for the microphone to collect in a mode of reading documents or counting the food materials after all the food materials are put in or taken out, so that the intelligent management on the food materials in the refrigerator can be realized at low cost only by a common microphone, a loudspeaker and a voice processing circuit without additionally arranging too many hardware devices comprising a display screen, and the usable data recording, updating or deleting mode of the refrigerator is more flexible.
Secondly, the recognition accuracy of voice recognition is high, compared with image data, the number of voice command vocabularies such as food material names, quantity, weight and the like is limited, exhaustion can be conveniently carried out, the data volume of a database which needs to be established in advance is small, and the cost of data and software which need to be recorded can be effectively reduced.
Moreover, compared with a radio frequency tag identification method, the voice identification method does not need to increase the cost of consumables of the radio frequency tag, and equipment such as a loudspeaker and a microphone are used for picking up sound or broadcasting sound towards the outside of the refrigerator and are arranged on the outer side surface of the refrigerator main body or nearby, so that the refrigerator is not easily influenced by the cold environment in the refrigerator, and the cost and the design difficulty of the refrigerator body are lower than those of a radio frequency reading device.
Then, the food material data information stored in the library management module includes the food material consumption term information associated with the food material type and previously recorded and stored in the library management module. Namely, the food material consumption time limit information of various food materials is stored in the storage management module, so that the user does not need to input the information every time the food material is used, and the food material consumption time limit management of the food materials is convenient. In addition, when the food material consumption period of a certain food material is not stored in the library management module or the user wants to define the food material consumption period of the food material by himself, the food material consumption period of the food material can be input and modified through a voice command.
Finally, the expiration counting module can calculate and count the expired food materials based on the current food material data information, the user does not need to actively calculate the food material consumption time limit information of the food materials, the health can be prevented from being influenced by the fact that the user mistakenly eats food exceeding the food material consumption time limit according to calculation and counting of the food material consumption time limit of the food materials, and good planning can be made on the purchase and use of the follow-up food materials, so that the waste of the food materials is reduced and even avoided. Moreover, the overdue statistical module can be triggered by voice information input from the outside, namely when a user sends out voice information to inquire the consumption time limit of food materials needing to be eaten or inquires what food materials are overdue, the statistical data in the overdue statistical module is output to inform the user, the user can know what food materials are overdue and how many food materials are overdue without opening a refrigerator door or operating any equipment, the convenience degree of the refrigerator is improved while energy is saved, the human-computer interface is friendly, and the user experience is improved.
In a preferred technical scheme of the invention, the food material consumption deadline information of the food material is generated by taking the date of the voice command generated by the voice recognition module as the starting date and superposing the preset storage days. Different food materials mostly have different food material consumption periods, and the food material consumption period of some food materials is closely related to the position and the temperature of the food materials stored in the refrigerator. The food material consumption period generated by superposing the preset storage days is the starting date according to the date of generating the voice command, so that the user does not need to master and memorize the food material consumption periods of various food materials, and the use by the user is facilitated.
In a preferred technical solution of the present invention, the voice processing circuit further includes a consumption term management module and a voice output module. And the consumption time limit management module records and generates a consumption time limit reminding instruction according to the comparison between the food material consumption time limit information and the current date. And the voice output module is used for converting the consumption deadline reminding instruction into voice data and outputting the voice data to the loudspeaker.
According to the preferred technical scheme, the consumption time limit reminding instruction generated by the consumption time limit management module can calculate the time when the distance between the food materials exceeds the food material consumption time limit, and if the time when the distance between the food materials exceeds the food material consumption time limit is smaller than a preset threshold (for example, smaller than 24 hours), the user can be reminded to use the food materials before the food material consumption time limit as soon as possible, so that the waste of the food materials is avoided. The voice output module receives the consumption time limit reminding instruction output by the consumption time limit management module, converts the consumption time limit reminding instruction into voice data and outputs the voice data to the loudspeaker. According to the better technical scheme, the consumption time limit reminding instruction is played through the loudspeaker, a user does not need to open a refrigerator door, and can know the related information of the consumption time limit of the food materials in the refrigerator through voice without looking up a display screen and the like, so that the use convenience degree of the consumption time limit reminding and management functions is improved.
In a preferred technical solution of the present invention, the voice processing circuit further includes a reduced quantity statistical module, and if a current date of the consumed food material is earlier than or equal to a consumption time limit of the food material and a consumption time limit reminding instruction of the food material is recorded in the consumption time limit management module, the food material data information of the food material is superimposed in statistical data of the reduced quantity statistical module. That is, after the user is prompted by the consumption time limit reminding instruction, the user consumes the food material before the food material consumption time limit of the food material is exceeded, no waste of the food material is generated, and the food material is judged to be the saved food material.
In a preferred technical scheme of the invention, the voice processing circuit further comprises a zero clearing module, and the overdue statistical module and/or the saving statistical module are cleared according to the voice instruction. The zero clearing is an important part in data statistics, and when food materials in the refrigerator are recorded again for statistics or the refrigerator is cleared and the like hopes to expire and/or the saving amount statistics are accumulated from zero, the zero clearing module can conveniently realize the function of clearing the statistical data.
Preferably, in a preferred embodiment of the present invention, the expiration statistic module and/or the saving statistic module has a period statistic module for counting statistic data within a predetermined time period. The period counting module can count weekly, monthly and yearly data according to different time periods, such as weekly, monthly and yearly food material amount for counting overdue and/or saving, so that a user can conveniently know the statistical data of different time periods, and the purchasing and consumption plan of food materials is adjusted according to the statistical data of different time periods, thereby avoiding the waste of the food materials caused by excessive purchasing amount at one time.
Preferably, in a preferred technical solution of the present invention, the expiration statistics module and/or the saving statistics module perform statistics by associating the number of food materials with the food material types. Specifically, vegetables, fruits and meat are classified to count the overdue amount, or each kind of food materials is counted independently, so that a user can know the overdue waste or consumption saving condition of each food material conveniently. In addition, the consumption plan of various food materials can be adjusted in a targeted manner, for example, the single purchasing quantity of the food materials which frequently exceed the food material consumption period is reduced, and waste is reduced by purchasing the food materials in a small quantity and multiple times manner.
In a preferred technical scheme of the invention, the voice processing circuit further comprises a food material calculating module, which calculates and outputs a food material supplementing instruction based on the voice instruction sent from the voice recognition module and the current food material data information stored by the in-store management module; if the expiration statistical data of the specific food material type in the expiration statistical module is higher than the threshold value, the food material calculating module prohibits outputting the food material supplementing instruction containing the specific food material type. The food material calculating module can calculate and output a food material supplement instruction based on the current food material data information, and a user does not need to actively calculate information such as the type or the quantity of food material supplement, so that the user can conveniently supplement the food material. However, when a certain food material frequently exceeds the food material consumption period, the food material calculating module does not send out the food material supplementing instruction of the food material any more, so that more waste caused by supplementing the food material is avoided.
The invention also provides an intelligent refrigerator system which comprises any refrigerator provided by the invention and an intelligent terminal in communication connection with the voice processing circuit of the refrigerator. And the statistical data obtained by the overdue statistical module is sent to the intelligent terminal and displayed on a display screen of the intelligent terminal. In the intelligent refrigerator system, the statistical data obtained by the period statistical module can be sent to the intelligent terminal, and the graph is displayed on the display screen of the intelligent terminal in a form of establishing the graph aiming at the statistical data of the specified time period. The statistical data obtained by the period statistical module has a certain time span and generally contains a large amount of information, the playing of excessive voice information is long in time consumption and inconvenient for a user to memorize and understand, the data displayed in the form of a chart is clear, and the user can select not to play the voice information by using a loudspeaker but to display the voice information by using the intelligent terminal. Therefore, an output mode can be added, so that the voice command output to the intelligent terminal can be avoided when the man-machine interaction operation cannot be carried out when the voice output fails, and the voice command can be further processed by data, for example, the voice command can be shared with other servers and the like.
Drawings
FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present invention;
fig. 2 is an external configuration view of a refrigerator according to an embodiment of the present invention;
fig. 3 is a structural diagram of a voice processing circuit of a refrigerator according to a first embodiment of the present invention;
FIG. 4 is a flowchart of a speech processing method according to a first embodiment of the present invention;
fig. 5 is a structural view of a voice processing circuit of a refrigerator according to a second embodiment of the present invention;
FIG. 6 is a flow chart of a speech processing method according to a second embodiment of the present invention;
fig. 7 is a structural diagram of a voice processing circuit of a preferred refrigerator according to a second embodiment of the present invention;
fig. 8 is a structural diagram of a voice processing circuit of another preferred refrigerator according to a second embodiment of the present invention;
fig. 9 is a structural view of a voice processing circuit of a refrigerator according to a second embodiment of the present invention;
fig. 10 is a structural diagram of a voice processing circuit of a preferred refrigerator according to a third embodiment of the present invention.
Reference numerals: 1-user, 2-refrigerator, 20-refrigerator main body, 21-microphone, 22-loudspeaker, 23-voice processing circuit, 231-voice processing module, 232-voice recognition module, 233-library management module, 234-expiration statistical module, 235-consumption term management module, 236-voice output module, 237-saving statistical module, 238-zero clearing module, 239-period statistical module and 230-food material calculation module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
[ terms and explanations ]
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In some embodiments, the term "consumption period" is generated by overlapping preset storage days of the food material with the date of the voice command generated by the voice recognition module as the starting date, for example, for fresh food materials such as vegetables and meat products, the food material may be assumed to be fresh when being put into the date, so that the consumption period of the food material is obtained by overlapping the storage days corresponding to the pre-stored food materials. In other embodiments, the "consumption period" may be other time periods related to the number of days of storage of the food material, for example, the expiration date is well described for the deep processing of milk, tofu, and the like, and the "consumption period" may be the expiration date of the food material outer package printing. In this case, the "consumption term" is input by the user through voice.
[ application scenarios ]
Fig. 1 is a schematic diagram of an application scenario of an embodiment of the present invention.
Referring to fig. 1, an application scenario of the present invention involves communication and interaction between a user 1 and a refrigerator 2. In other embodiments of the present invention, some or all of the modules of the voice processing circuit 23 in the refrigerator 2 may also be disposed in a cloud server, and these embodiments should be regarded as simple changes of the technical solution of the present invention and are included in the protection scope of the present invention without departing from the spirit of the present invention.
Fig. 2 is a schematic external structural diagram of a refrigerator 2 according to an embodiment of the present invention, and as can be seen from fig. 2, a microphone 21 and a speaker 22 are disposed on a front side surface of a refrigerator main body 20, and the microphone 21 is used for picking up sound, especially, picking up voice information sent by a user 1 and sending the sound information to a voice processing circuit 23; the loudspeaker 22 is used for broadcasting, in particular for playing voice data returned by the voice processing circuit 23. The voice processing circuit 23 is disposed inside the refrigerator main body 20, is electrically connected to the microphone 21 and the speaker 22, processes the voice information picked up by the microphone 21, obtains voice data to be played by the speaker 22, and forms voice interaction with the user 1.
The refrigerator 2 according to the embodiment of the present invention does not need to have any other technical means capable of interacting with the user 1, other than the voice interaction. However, the present invention is not limited thereto, and in some other embodiments of the present invention, the refrigerator 2 may have other technical means capable of interacting with the user 1 besides voice interaction. For example, the refrigerator 2 may include a touch screen for receiving a touch input of the user 1. As another example, the refrigerator 2 may include a camera for acquiring images or videos of the user 1. As another example, the refrigerator 2 may include a biometric sensor for acquiring biometric information of the user 1, such as fingerprint or iris information. Further, the refrigerator 2 may be provided with technical means capable of communicating with the terminal and/or the cloud server, including, for example, a wired or wireless communication module, so as to be capable of transmitting and receiving information or data to and from the terminal and/or the cloud server based on various wired or wireless communication protocols.
The refrigerator 2 of the present invention may further include or be replaced with various intelligent appliances, such as food or beverage storage devices, for example, a food cabinet, a refrigerator, a wine cabinet, etc., according to practical application scenarios.
In the embodiment of the invention, an intelligent refrigerator system comprising the refrigerator 2 is further provided, and the intelligent refrigerator system further comprises an intelligent terminal in communication connection with the refrigerator 2, wherein the intelligent terminal is provided with a display screen and used for displaying instructions or data sent by the refrigerator 2.
[ first embodiment ]
Fig. 3 is a configuration diagram of a voice processing circuit of a refrigerator according to a first embodiment of the present invention.
Referring to fig. 3, in the present embodiment, the voice processing circuit 23 includes a voice processing module 231, a voice recognition module 232, an inventory management module 233, and an expiration statistic module 234.
The voice processing module 231 is configured to encode and generate voice data according to the voice information collected by the microphone 21. In this embodiment, the voice processing module 231 may be an analog-to-digital converter for converting the analog signal sampled by the microphone 21 into a digital signal for subsequent analysis and processing. The voice processing module may be located outside the microphone 21 and communicatively connected to the microphone 21, or may be integrated in a chip of the microphone 21.
The voice recognition module 232 is configured to generate a voice instruction after matching the voice data generated by the voice processing module 231 with the pre-embedded voice command vocabulary. The speech recognition module 232 may use an existing speech recognition module 232, such as an HBR-series speech recognition module 232, and an input port of the speech recognition module 232 may be communicatively coupled to the speech processing module 232 using a standard RS232 serial port to receive speech data from the speech processing module 232. The voice recognition module 232 holds a voice command vocabulary in advance, and generates a voice instruction by matching voice data with the voice command vocabulary.
For example, the voice recognition module 232 stores in advance voice command words such as "put in", "take out", "apple", "pear", "grape", "person", "jin", "kg", and "g". When a user 1 sends voice information of '3 apples are placed in the refrigerating chamber', the microphone 21 samples the voice information to obtain an analog signal, and the voice processing module 231 converts the code of the analog signal into digital voice data and sends the digital voice data to the voice recognition module 232; the voice recognition module 232 matches the voice data with the voice command vocabularies to obtain matching results that the matching degrees of the voice data with the five voice command vocabularies of "put in", "apple", "3", "individual" and "refrigerating chamber" in sequence according to the time sequence are above a threshold and have clear semantics, and then generates voice instructions reflecting "refrigerating chamber apple + 3", and sends the voice instructions to the database of the refrigerator 2. Similarly, when the user 1 sends out the voice message "take 500g of grapes out of the refrigerating chamber", the voice recognition module 232 matches the voice data with the voice command vocabulary to obtain a matching result that the matching degree of the voice data with five voice command vocabularies of "refrigerating chamber", "take out", "500", "g" and "grape" in sequence in time order is more than a threshold value and the semantic meaning is clear, and then generates a voice instruction reflecting "refrigerating chamber grape-500 g", and sends the voice instruction to the database of the refrigerator 2. The food materials and other related data in the database of the refrigerator 2 can be modified by the voice command of the user 1 recognized by the voice recognition module 232.
The inventory management module 233 is configured to record and store the food material data information stored in or taken out from the refrigerator main body 20 according to the voice command sent from the voice recognition module 232. Specifically, the library management module 233 includes a memory (not shown) in which the current food material data information and the food material data information of the history of the storage or the extraction are stored.
The food material data information includes at least food material consumption term information associated with a food material type, previously entered and stored in the library management module 233, and may be one or more of the type, number, consumption term, storage location in the refrigerator main body 20, and the like of the food material. The in-store management module 233 records and stores the type, quantity and storage location of food materials, so as to obtain more complete and reliable in-store management data; the consumption period is recorded and stored, the user 1 can be informed before the expiration of the food materials or about to expire, and the waste of the food materials is reduced; the storage position of the food material in the refrigerator main body 20 is recorded and stored, so that the user 1 can find the target food material more quickly, the heat loss caused by opening and closing the refrigerator door is reduced, and the energy consumption is reduced. The storage location in the refrigerator main body 20 may be, for example, a storage location of a refrigerating chamber, a freezing chamber, a garden stuff chamber, a warming chamber, a fresh freezing chamber, or the like.
The food material data information stored in the library management module 233 includes the food material consumption time limit information associated with the food material type and previously recorded and stored in the library management module 122. That is, the food consumption time limit information of each food material is already stored in the inventory management module 233, so that the user does not need to input the information every time the user uses the food material, and the food consumption time limit management of the food material is facilitated. In addition, when the consumption time limit of a certain food material is not stored in the library management module 122 or the user wishes to define the consumption time limit of the food material by himself/herself, the consumption time limit of the food material may be recorded and modified by a voice command. For example, the food material consumption time limit information pre-recorded in the library management module 233 for apple is 15 days, and if the user 1 wishes to consume the apple within a week, the food material consumption time limit of the apple can be changed to 7 days by a voice instruction.
The expiration counting module 234 can calculate and count the expired food materials based on the current food material data information, the user 1 is not required to actively calculate the food material consumption time limit information of the expired food materials, the health can be prevented from being influenced by the fact that the user 1 mistakenly eats food exceeding the food material consumption time limit according to calculation and counting of the food material consumption time limit of the food materials, and good planning can be made on the purchase and use of the subsequent food materials, so that the waste of the food materials is reduced and even avoided. For example, the expiration counting module 234 counts that the total consumption time of 500g of food materials exceeds the food material consumption time limit of the food materials, and the user 1 can correspondingly reduce the purchase amount of the food materials after knowing the consumption time, so as to avoid the same waste and repeated manner. Moreover, the expiration statistical module 234 may be triggered by the externally input voice information, that is, when the user 1 sends out the voice information to inquire about the time limit of consumption of the food material to be eaten or to inquire about what food material is expired, the statistical data in the expiration statistical module 233 is output to notify the user 1, the expiration statistical data of the food material can be known without opening a refrigerator door or operating any device, energy is saved, the convenience of using the refrigerator 1 is improved, the man-machine interface is friendly, and the experience of the user 1 is improved.
In the food material data information, the current expiration statistical information is a state quantity, which reflects the number of expired food materials consumed in the current refrigerator 2, for example, when 500g of food materials are consumed in the current refrigerator 2, the expiration statistical information is a variation. The expiration counting module 234 can calculate and count the data of the expired consumed food materials based on the state quantity and the variation quantity, and the expiration counting module 234 includes a processor (not shown) for calculating a food material supplement instruction.
Preferably, in the first embodiment of the present invention, the food material consumption deadline information of the food material is generated by superimposing a preset number of storage days on a date counted from a date when the voice recognition module 232 generates the voice command. If the user 1 puts 3 apples in 1 month and 1 day, and the preset storage days of the apples are 15 days, the food consumption period of the 3 apples is 1 month and 16 days. Different food materials mostly have different food material consumption periods, and the food material consumption period of some food materials is closely related to the storage position and the storage temperature of the food material in the refrigerator main body 20. For example, meat can be stored in the freezer for up to 2-3 days, and in the freezer for more than 90 days. The food material consumption period generated by superposing the preset storage days according to the date of generating the voice command as the starting date does not need to be mastered and memorized by the user 1, so that the user 1 can use the food material consumption period conveniently.
Fig. 4 is a flowchart of a speech processing method according to a first embodiment of the present invention. Referring to fig. 4, the speech processing method provided by the first embodiment includes:
a voice processing step of encoding the voice information collected by the microphone 21 to generate voice data;
a voice recognition step of generating a voice command after matching the voice data generated by the voice processing module 232 with the pre-embedded voice command vocabulary,
in the warehouse management step, according to the voice instruction, the food material data information of the food material stored in the storage box main body 20 is recorded and stored, and the food material data information at least includes the food material consumption time limit information associated with the food material type and pre-recorded and stored in the warehouse management module 233;
an expiration counting step, in which if the current date of the consumed food material is later than the food material consumption time limit of the consumed food material, the food material data information of the consumed food material is superimposed in the statistical data of the expiration counting module 234.
In this embodiment, the voice processing step is completed by the voice processing module 231, the voice recognition step is completed by the voice recognition module 232, the in-store management step is completed by the in-store management module 233, and the expiration statistics step is completed by the expiration statistics module 234. In other embodiments of the present invention, a part of the independent modules in the speech processing circuit may also perform two or more steps of the speech processing method. In some other embodiments, the voice processing circuit may also include one or more processors, and a memory communicatively connected to the processors, where the memory stores processor-readable instructions, and the processor performs all the steps of the voice processing method provided in the first embodiment by executing the processor-readable instructions. In addition, the processor and the memory can also be arranged in a cloud server or other terminal equipment in communication connection with the refrigerator.
According to the refrigerator 2 and the voice processing method provided by the embodiment, since the speed of the voice recognition on the information processing is high and the efficiency is high, the user 1 can put in or take out the food material and send out the voice information collected by the microphone 21 at the same time, and can send out the voice information collected by the microphone 21 in a mode of reading documents or counting the food material after all the food material is put in or taken out, so that the intelligent management on the food material in the refrigerator can be realized at low cost only by the common microphone 21, the common loudspeaker 22 and the voice processing circuit without depending on other hardware equipment including a display screen, and the usable data entry, update or deletion mode of the refrigerator is more flexible.
Secondly, the recognition accuracy of voice recognition is high, compared with image data, the number of voice command vocabularies such as food material names, quantity, weight and the like is limited, exhaustion can be conveniently carried out, the data volume of a database which needs to be established in advance is small, and the cost of data and software which need to be recorded can be effectively reduced.
Moreover, compared with the method of radio frequency tag identification, the method of voice identification does not need to increase the cost of consumables of the radio frequency tag, and the equipment such as the loudspeaker 22 and the microphone 21, which is used for picking up sound or broadcasting sound towards the outside of the refrigerator, is only installed on the outer side surface of the refrigerator main body or nearby, so that the refrigerator is not easily affected by the cold environment inside the refrigerator, and the cost and the design difficulty of the refrigerator body are lower than those of the refrigerator additionally provided with the radio frequency reading device.
Then, the food material data information stored in the library management module 233 includes the food material consumption term information associated with the food material type, which is previously entered and stored in the library management module 233. That is, the food consumption time limit information of each food material is already stored in the storage management module 233, and the user 1 does not need to enter the information every time the user uses the food material, so that the food consumption time limit management of the food material is facilitated. In addition, when the consumption time limit of a certain food material is not stored in the library management module 233 or the user 1 wishes to define the consumption time limit of the food material by himself/herself, the consumption time limit of the food material may be recorded and modified by a voice command.
Finally, the expiration counting module 234 can calculate and count the expired food materials based on the current food material data information, the user 1 is not required to actively calculate the food material consumption time limit information of the food materials, the health of the user 1 can be prevented from being influenced by the fact that the user 1 mistakenly eats food exceeding the food material consumption time limit according to calculation and counting of the food material consumption time limit of the food materials, and the follow-up purchasing and using of the food materials can be well planned, so that the waste of the food materials is reduced and even avoided. Moreover, the expiration statistical module 234 can be triggered by voice information input from the outside, that is, when a user sends out voice information to inquire about the consumption time limit of food materials needing to be eaten or to inquire about what food materials are expired, the statistical data in the expiration statistical module 234 is output to inform the user, the user can know what and how many food materials are expired without opening a refrigerator door or operating any equipment, the convenience of using the refrigerator is improved while energy is saved, a human-computer interface is friendly, and the experience of the user 1 is improved.
In the present embodiment, the refrigerator 2 may also include a voice output module (not shown) that outputs voice data to the speaker 22. Through above mode, user 1 need not to open the refrigerator door, also need not to touch refrigerator 2 or look over the display screen, can learn the inside guide information of refrigerator 2 through pronunciation distantly, improves the convenient degree of use of pronunciation guide function. Of course, in some other embodiments, the refrigerator 2 may also include a printing device or a display device, and the voice guidance instruction is presented to the user 1 by being printed on paper or displayed on a screen.
[ second embodiment ]
The present embodiment provides a refrigerator 2, and fig. 5 is a schematic circuit configuration diagram of the refrigerator 2 in the present embodiment. Referring to fig. 5, the voice processing circuit 23 according to this embodiment includes a voice processing module 231, a voice recognition module 232, an inventory management module 233, an expiration statistic module 234, a consumption term management module 235, and a voice output module 236. The functions and connection relationships of the voice processing module 231, the voice recognition module 232, the in-store management module 233 and the expiration statistics module 234 may refer to the first embodiment, and are not described herein again.
The consumption time limit management module 235 is in communication connection with the in-store management module 233, and can calculate the time when the distance between the food materials exceeds the food material consumption time limit according to the comparison between the food material consumption time limit information in the in-store management module 233 and the current date, and if the time when the distance between the food materials exceeds the food material consumption time limit is smaller than a preset threshold, a consumption time limit reminding instruction is recorded and generated, so that a user is reminded to use the food materials before the food material consumption time limit as soon as possible, and waste of the food materials is avoided. For example, if the user 1 puts 3 apples in 1 month and 1 day, and the preset storage days of the apples are 15 days, the consumption time of the food materials of the 3 apples is 1 month and 16 days. The reminding time threshold preset by the user 1 is 3 days, and the consumption term management module 235 records and generates a consumption term reminding instruction "if 3 apples are placed in 1 month and 1 day, the consumption term exceeds the consumption term and you ask for consumption as soon as possible. "
The voice output module 236 is communicatively connected to the consumption time limit management module 235, converts the consumption time limit reminding instruction into voice data, and outputs the voice data to the speaker 22. The voice output module 236 is also connected to the library management module 233 and the expiration statistic module 234 in a communication manner, and can convert information therein into voice data and output the voice data to the speaker 22. Moreover, the voice instruction transmitted to the user 1 is played through the loudspeaker 22, the user 1 can acquire the relevant information of the refrigerator 2 and the corresponding action of the user 1 instruction through voice without opening a refrigerator door or checking a display screen, and the like, and the use convenience degree of the man-machine voice interaction function is improved.
Fig. 6 is a flowchart of a speech processing method according to a second embodiment of the present invention. Referring to fig. 6, a speech processing method according to a second embodiment includes:
a voice processing step of encoding the voice information collected by the microphone 21 to generate voice data;
a voice recognition step of generating a voice command after matching the voice data generated by the voice processing module 231 with the pre-embedded voice command vocabulary,
and a consumption time limit management step, namely recording and generating a consumption time limit reminding instruction according to the comparison between the food material consumption time limit information and the current date.
And a voice output step of converting the consumption time limit reminding instruction into voice data and outputting the voice data to the loudspeaker 22.
Compared with the voice processing method in the first embodiment, under the combined action of the consumption time limit management step and the voice output step, the refrigerator 1 can generate the consumption time limit reminding instruction to remind the user 1 to consume the food material before the food material exceeds the food material consumption time limit, so that waste is avoided. And the consumption time limit reminding instruction fed back to the user 1 is played through the loudspeaker 22, the user 1 can acquire the relevant information of the corresponding actions of the refrigerator 2 and the user 1 instruction through voice without opening a refrigerator door or checking a display screen, and the like, so that the use convenience degree of the man-machine voice interaction function is improved.
As shown in fig. 7, in the refrigerator 2 according to the second embodiment of the present invention, the voice processing circuit 23 further includes a saving amount statistic module 237, which is connected to the inventory management module 233 and the consumption term management module 235 in a communication manner. If the current date of the consumed food material is earlier than or equal to the consumption time limit of the food material recorded in the library management module 233 and the consumption time limit management module 235 records the consumption time limit reminding instruction of the food material, the food material data information of the food material is superimposed in the statistical data of the energy saving amount statistical module 237. For example, if the user 1 puts 3 apples in 1 month and 1 day, and the preset storage days of the apples are 15 days, the food consumption period of the 3 apples is 1 month and 16 days. The reminding time threshold preset by the user 1 is 3 days, and the consumption term management module 235 records and generates a consumption term reminding instruction "if 3 apples are placed in 1 month and 1 day, the consumption term exceeds the consumption term and you ask for consumption as soon as possible. If the user 1 consumes the 3 apples in 1 month and 15 days due to the consumption deadline reminding instruction, the 3 apples are regarded as the food materials saved for the user 1 by the refrigerator 2. The amount of the food materials saved is counted, and a user can conveniently know the consumption condition of the food materials.
As shown in fig. 8, preferably, in the refrigerator 2 provided in the second embodiment of the present invention, the voice processing circuit 23 further includes a zero clearing module 238, which is respectively connected in communication with the voice recognition module 232, the expiration statistic module 234 and/or the saving statistic module 237. And a zero clearing module for clearing the statistical data in the expiration statistical module 234 and/or the saving statistical module 237 according to the voice command transmitted in the voice recognition module 232. For example, the voice recognition module 232 may send the voice command of user 1 to "clear the expiration statistic module 234", and the clear module 238 may re-count the data counted in the expiration statistic module 234 from zero. The zero clearing function of the zero clearing module 238 may be implemented by a counter, a trigger, or a zero clearing program in a chip, which is not limited herein.
[ third embodiment ]
The present embodiment provides a refrigerator 2, and fig. 9 is a schematic circuit configuration diagram of the refrigerator 2 in the present embodiment. Referring to fig. 9, the speech processing circuit 23 according to the present embodiment includes a speech processing module 231, a speech recognition module 232, an inventory management module 233, an expiration statistic module 234, a consumption term management module 235, a speech output module 236, a saving statistic module 237, and a zero clearing module 238, and has a period statistic module 239 in the expiration statistic module 234 and/or the saving statistic module 237. The functions and the connection relationships of the voice processing module 231, the voice recognition module 232, the inventory management module 233, the expiration statistics module 234, the consumption term management module 235, the voice output module 236, the saving statistics module 237 and the clear module 238 may refer to the second embodiment, which is not described herein again.
The period counting module 239 can count the statistical data in a specified time period, and count the food materials overdue and/or saved by week, month and year, as shown in table 1 below.
TABLE 1
| Time | One month | February of February | March | ··· |
| Waste of food material | 1000g | 500g | 200g | ··· |
The statistical data in the form of the table is clear, so that the user 1 can conveniently know the statistical data of different time periods, and can adjust the purchasing and consumption plan of the food materials according to the statistical data of different time periods, thereby avoiding the waste of the food materials caused by excessive purchasing quantity at one time. As shown in the above table, a lot of food waste occurs in one month, and in the next month, the user 1 can correspondingly increase consumption of food and/or reduce purchase of food to reduce waste according to the data of the amount of the waste food.
Preferably, in the third embodiment of the present invention, the expiration statistics module 234 and/or the saving statistics module 237 make statistics on the number of food materials in association with the food material types. Specifically, vegetables, fruits and meats are classified and counted to obtain the overdue amount, or each type of food material is counted separately, so that the user 1 can know the overdue waste or consumption saving condition of each food material, as shown in table 2 below.
TABLE 2
Moreover, while the user 1 knows the overdue waste or consumption saving condition of various food materials, the consumption plan of various food materials can be adjusted in a targeted manner, for example, the first two weeks have apples exceeding the food material consumption period, and the third week is to increase the consumption of the apples or reduce the purchase of the apples. And the consumption amount and the purchase amount of each food material are adjusted according to the statistical data, so that waste is further avoided.
Preferably, as shown in fig. 10, in the third embodiment of the present invention, the voice processing circuit 23 of the refrigerator 2 further includes a food material calculating module 230, and the food material calculating module 230 is respectively connected to the voice recognition module 232, the library management module 233 and the expiration statistic module 234 in a communication manner. The food material calculating module 230 can calculate and output a food material supplement instruction based on the voice instruction sent from the voice recognition module 232 and the current food material data information stored by the inventory management module 233; if the expiration statistical data of the specific food material category in the expiration statistical module 234 is higher than the threshold, the food material calculating module 230 prohibits outputting the food material supplement instruction containing the specific food material category. The food material calculating module 230 can calculate and output a food material supplement instruction based on the current food material data information, and the user 1 does not need to actively calculate information such as the type or the number of food material supplements, thereby facilitating the food material supplement of the user. For example, when the threshold of the stock quantity of the apples is preset to be 10, and the number of the apples displayed in the current food data information stored in the stock management module 233 is less than 10 (for example, 5), the food material calculating module 230 generates a food material supplement instruction, such as "the number of the apples currently stored is 5, and is less than 10 of the threshold of the stock quantity, please supplement in time". However, when a certain food material frequently exceeds the food material consumption period, the food material calculating module 233 does not issue the food material supplement instruction of the food material any more, thereby avoiding more waste caused by supplement of the food material. The threshold may be the expiration number or the expiration amount of a certain food material, for example, if the expiration number of an apple exceeds the expiration number threshold by 3 times or the number of expired apples exceeds the expiration amount threshold, it indicates that frequent or large amount of waste occurs in the apples, and the food material calculating module 230 does not regenerate the food material supplement instruction of the apples, thereby avoiding generating more waste.
In the above embodiment of the present invention, the voice command may be transmitted to the intelligent terminal in the intelligent refrigerator system and displayed on the display screen of the intelligent terminal. According to the embodiment, the output mode of the intelligent refrigerator system is increased, so that when the condition that human-computer interaction operation cannot be carried out during voice output faults is avoided, the voice instruction output to the intelligent terminal can be further processed, for example, the voice instruction can be shared with other servers, and efficient and convenient intelligent voice guidance is further realized.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A refrigerator, characterized by comprising:
a refrigerator main body;
a microphone and a speaker provided in the refrigerator main body;
a voice processing circuit arranged in the refrigerator main body and electrically connected with the microphone and the loudspeaker, wherein the voice processing circuit comprises,
the voice processing module is used for coding and generating voice data according to the voice information collected by the microphone;
the voice recognition module is used for generating a voice instruction after matching the voice data generated by the voice processing module with a pre-embedded voice command vocabulary;
the in-store management module records and stores food material data information of food materials stored in the refrigerator main body according to the voice instruction, wherein the food material data information at least comprises food material consumption time limit information which is associated with food material types and is pre-recorded and stored in the in-store management module;
and the expiration counting module is used for superposing the food material data information of the consumed food material in the counting data of the expiration counting module if the current date of the consumed food material is later than the food material consumption time limit of the consumed food material.
2. The refrigerator of claim 1, wherein the food material consumption term information is generated by superimposing a preset number of storage days on a date of the voice command generated by the voice recognition module.
3. The refrigerator according to claim 1 or 2, wherein the voice processing circuit further comprises:
the consumption time limit management module is used for recording and generating a consumption time limit reminding instruction according to the comparison between the food material consumption time limit information and the current date;
and the voice output module is used for converting the consumption deadline reminding instruction into voice data and outputting the voice data to the loudspeaker.
4. The refrigerator of claim 3, wherein the voice processing circuit further comprises:
and the consumption-saving amount counting module is used for superposing the food material data information of the food material in the counting data of the consumption-saving amount counting module if the current date of the food material consumed is earlier than or equal to the food material consumption time limit of the food material and the consumption time limit management module records the consumption time limit reminding instruction of the food material.
5. The refrigerator of claim 4, wherein the voice processing circuit further comprises:
and the clearing module is used for clearing the overdue statistical module and/or the reduction amount statistical module according to the voice instruction.
6. The refrigerator as claimed in claim 4, wherein the expiration statistic module and/or the saving amount statistic module has:
and the period counting module is used for counting the statistical data in a specified time period.
7. The refrigerator of claim 1, wherein the expiration statistic module and/or the reduction statistic module counts the number of food materials in association with the food material types.
8. The refrigerator of claim 7, wherein the voice processing circuit further comprises:
the food material calculation module is used for calculating and outputting a food material supplement instruction based on the voice instruction sent from the voice recognition module and the current food material data information stored by the in-store management module;
if the expiration statistical data of the specific food material type in the expiration statistical module is higher than the threshold, the food material calculating module prohibits outputting the food material supplement instruction containing the specific food material type.
9. An intelligent refrigerator system is characterized by comprising,
the refrigerator of any one of claims 1-8;
an intelligent terminal in communication connection with the refrigerator,
and the statistical data obtained by the overdue statistical module is sent to the intelligent terminal and displayed on a display screen of the intelligent terminal.
10. An intelligent refrigerator system is characterized by comprising,
the refrigerator of claim 6;
an intelligent terminal in communication connection with the refrigerator,
and the statistical data obtained by the period statistical module is sent to the intelligent terminal, and the chart is displayed on a display screen of the intelligent terminal in a form of establishing a chart aiming at the statistical data of the specified time period.
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