CN106052242A - Food management method and food management system for intelligent refrigerator - Google Patents
Food management method and food management system for intelligent refrigerator Download PDFInfo
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- CN106052242A CN106052242A CN201610377763.7A CN201610377763A CN106052242A CN 106052242 A CN106052242 A CN 106052242A CN 201610377763 A CN201610377763 A CN 201610377763A CN 106052242 A CN106052242 A CN 106052242A
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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
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10118—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step
- G06K7/10138—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step the step consisting of determining the type of record carrier, e.g. to determine if the record carrier is an RFID tag of the long or short range type, or to determine the preferred communication protocol of the RFID tag
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- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Electromagnetism (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a food management method and food management system for an intelligent refrigerator. The food management method comprises the steps that identification information of a mobile RFID tag is recognized; the action type of the mobile RFID tag is judged according to the change tendency of the signal intensity of the mobile RFID tag; and the identification information and the action type are matched, so that a food storage datum is formed. Compared with the prior art, the food management method and food management system for the intelligent refrigerator have the beneficial effects that the action type of the mobile RFID tag is judged through the change tendency of the signal intensity so that the storage and taking states of food in the refrigerator can be monitored in real time; and by monitoring the storage and taking states of food, monitoring of partial taking-out or supplement of food of the same type can be achieved, and the intermediate process of food taking and placing by a user can also be obtained to achieve intelligent monitoring of food under the condition that RFID tags are identical when a refrigerator door is opened and closed.
Description
Technical field
The present invention relates to food control method and the food management system of a kind of intelligent refrigerator, belong to intelligent refrigerator technology neck
Territory.
Background technology
Along with the development of society, Smart Home increasingly becomes an inevitable development trend of family life, refrigerator
As the household appliances that family life is indispensable, the intellectuality of itself is also imperative.And along with RF identification
The research of (Radio Frequency Identification is called for short RFID) technology, RFID technique is also progressively applied to intelligence
Can refrigerator art.
RFID technique is a kind of communication technology, can pass through radio signals identification specific objective and read and write related data, and
Machinery or optical contact is set up between system and specific objective without identifying.Its most important advantage is contactless identification, its energy
Penetrate the adverse circumstances label reading that snow, mist, ice, coating, dust and dirt and bar code cannot use, and reading speed is exceedingly fast, greatly
In most cases less than 100 milliseconds.Therefore, in intelligent refrigerator, RFID technique has huge application prospect, and can be to refrigerator
Intellectuality bring unforeseen huge space.
In refrigerator field, can by configuring RFID label tag on refrigerator, realizing producing, transport, use during right
The management and control of refrigerator；Also can configure RFID reader on refrigerator, storage food configure RFID label tag, it is achieved refrigerator is to food
Intelligent management.At present, although RFID technique has had preliminary use in intelligent refrigerator field, but, it yet suffers from
Technical problem the most urgently to be resolved hurrily.
As, current refrigerator utilizes RFID technique to be managed the food of storage, is also limited only to refresh refrigerator inside food
Thing list also shows on display module.The turnover of real Tracking Recognition food cannot be accomplished, more cannot accomplish to judge to use every time
The kind of food and corresponding quantity/weight are taken in family；Lack the real intelligent management to food, and then have impact on refrigerator
Dietary habit for user accomplishes the effect of intelligent prompting.Food turnover and the problem following the trail of food access amount cannot be judged
Do not solve, the development of the intelligent hommization of refrigerator will be unfavorable for.
Summary of the invention
It is at least to solve one of above-mentioned technical problem, it is an object of the invention to provide the food control of a kind of intelligent refrigerator
Method and food management system, it is possible to achieve being stored in/take out of real-time tracing food.
One of for achieving the above object, an embodiment of the present invention provides the food control side of a kind of intelligent refrigerator
Method, described method includes step:
Identify the identification information of mobile RFID label；
The variation tendency of the signal intensity according to described mobile RFID label judges the action class of described mobile RFID label
Type；
Mate described identification information and described type of action, to generate food storage data.
As the further improvement of an embodiment of the present invention, described step " identifies the identification information of mobile RFID label "
Including:
Gather and the signal intensity of tracking RFID label；
Judge whether described signal intensity changes, if so, judge that described RFID label tag is as mobile RFID label；
Identify the identification information of described mobile RFID label.
As the further improvement of an embodiment of the present invention, the described step " signal according to described mobile RFID label
The variation tendency of intensity judges the type of action of described mobile RFID label " including:
Analyze the variation tendency of the signal intensity of described mobile RFID label；
The type of action of described mobile RFID label is judged according to described variation tendency；Wherein, if described variation tendency is
Changing from weak to strong, the most described type of action is for being stored in action；If described variation tendency is for by dying down by force, the most described type of action is for taking
Go out action.
As the further improvement of an embodiment of the present invention, the described step " signal according to described mobile RFID label
The variation tendency of intensity judges the type of action of described mobile RFID label " including:
Gather initial signal intensity A1 and the final signal intensity A 9 of described mobile RFID label；Described initial signal intensity
A1, magnitude relationship between described final signal intensity A 9 and preset signal strength threshold value A 0 define described mobile RFID label
The variation tendency of signal intensity；
The type of action of described mobile RFID label is judged according to described variation tendency；Wherein, if described variation tendency is
A1≤A0 ＜ A9, the most described type of action is for being stored in action；If described variation tendency is A1 ＞ A0 >=A9, the most described type of action
For taking-up action.
As the further improvement of an embodiment of the present invention, described step " identifies the identification information of mobile RFID label "
Further comprise the steps of: before
Receive the unlatching signal of refrigerator door, set up intermediate database；
And described step " mate described identification information and described type of action, to generate food storage data " it
After further comprise the steps of:
Described food storage data are preserved to described intermediate database；
Receive the shutdown signal of described refrigerator door, add up the food comprising described identification information in described intermediate database
The bar number M of storage data；
If M >=2, then export the food quantity acquisition instructions relevant to described identification information.
One of for achieving the above object, an embodiment of the present invention additionally provides the food control of a kind of intelligent refrigerator
System, described food management system includes:
RFID acquisition module, for identifying the identification information of mobile RFID label, and mobile RFID described in Real-time Collection
The signal intensity of label；
Data analysis module, for analyzing described signal intensity and obtaining the variation tendency of described signal intensity；
Judge module, for judging the type of action of described mobile RFID label according to described variation tendency；
Data processing module, is used for mating described identification information with described type of action to generate a food storage number
According to.
As the further improvement of an embodiment of the present invention, described RFID acquisition module is additionally operable to collection and is positioned at its sensing
In the range of the signal intensity of all RFID label tag；
Described judge module is additionally operable to judge whether the signal intensity of described RFID label tag changes, the most described judgement mould
Block judges that described RFID label tag is as described mobile RFID label.
As the further improvement of an embodiment of the present invention, described judge module is additionally operable to when described variation tendency is served as reasons
Weak change is strong, it is judged that described type of action is for being stored in action；And for when described variation tendency is for by dying down by force, it is judged that described dynamic
It is taking-up action as type.
As the further improvement of an embodiment of the present invention, described RFID acquisition module gathers described mobile RFID label
Initial signal intensity A1 and final signal intensity A 9；
Described data analysis module is additionally operable to according to described initial signal intensity A1, described final signal intensity A 9 and presets
Magnitude relationship between signal strength threshold A0 defines the variation tendency of the signal intensity of described mobile RFID label；
Described judge module is additionally operable to when described variation tendency is A1≤A0 ＜ A9, it is judged that described mobile RFID label
Type of action is for being stored in action；And for when described variation tendency is A1 ＞ A0 >=A9, it is judged that described type of action is for taking
Go out action.
As the further improvement of an embodiment of the present invention, described food management system also includes memory module and output
Module, described memory module, for when the door body of described refrigerator is opened, is set up for storing in described food storage data
Spatial database；
Described data processing module is additionally operable to, and when the door body of described refrigerator is closed, described data processing module adds up institute
State the bar number M of the food storage data comprising described identification information in intermediate database；
Wherein, when M >=2, described output module output food quantity acquisition instructions is right to gather described identification information institute
Answer the quantity information of food.
Compared with prior art, the present invention has following Advantageous Effects: by the variation tendency of signal intensity, it is judged that
The type of action of mobile RFID label, can monitor the access status of food in refrigerator in real time；And it is real-time by what food was accessed
Monitoring, can realize the monitoring accessing same food products part, in the case of refrigerator RFID label tag is constant, it is possible to obtains user and takes
Put the pilot process of food, such as situation about again putting back to after taking out part bread in refrigerator, although RFID label tag is being opened the door
The most all exist, still can obtain user and pick and place the pilot process of food to realize the intelligent monitoring of food.
Accompanying drawing explanation
Fig. 1 is the flow chart of the food control method of the intelligent refrigerator of an embodiment of the present invention；
Fig. 2 is the logical flow chart of the food control method of the intelligent refrigerator of the present invention one specific embodiment；
The schematic diagram of variation tendency pre-programmed curve when Fig. 3 is to be stored in action in one embodiment of the invention；
Fig. 4 is the schematic diagram of variation tendency pre-programmed curve during taking-up action in one embodiment of the invention；
Fig. 5 is the logical flow chart of the food control method of the intelligent refrigerator of another specific embodiment of the present invention.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments are also
It is not intended to the present invention, structure that those of ordinary skill in the art is made, method or functionally according to these embodiments
Conversion is all contained in protection scope of the present invention.
It is to be appreciated that in this manual, term " refrigerator " refer not only to family use refrigerator, its implication should include for
Various cold preservation or the equipment of freezen protective food, such as refrigerator, large-scale freezer in the way of less than room temperature of transport, storage etc.
Deng.Term " food " also refer not only to through processing and manufacturing or at the product of market sale, but include various being suitable for cold
Freeze, cold preservation or normal temperature environment and the article of other ad hoc fashion storage.
The intelligent refrigerator of the present invention is a kind of combination application of RFID technique and intelligent refrigerator.It can be stored in/takes out
The food with RFID label tag carry out sensing, add up, inquire about, to realize the intelligent management to food.
Referring to Fig. 1, an embodiment of the present invention provides a kind of food control method of intelligent refrigerator, described food control side
Method includes step:
Identify the identification information of mobile RFID label；
The variation tendency of the signal intensity according to described mobile RFID label judges the action class of described mobile RFID label
Type；
Mate described identification information and described type of action, to generate food storage data.
Wherein, in described step " identifies the identification information of mobile RFID label ":
Described identification information generally comprises food name, in typing RFID label tag in advance, and by setting in described refrigerator
RFID acquisition module obtains.Described RFID acquisition module is set to the signal of recognizable RFID label tag, gathers signal intensity
And read the identification information of described RFID label tag.Certainly, it is thus achieved that the precondition of described identification information is: pre-on each food
First it is provided with RFID label tag, is not described in detail at this.
RFID label tag may be configured as passive label, active label, may also be configured to the most just send the label of signal.
According to the difference of described RFID label tag, described step " identifies the identification information of described mobile RFID label " and has different enforcement
Mode.The most in one embodiment, RFID label tag is set to the most just send the label of signal, when food is moved
Time, RFID label tag synchronizing moving that food is arranged also sends signal, and described RFID acquisition module collects and identifies after this signal
The identification information of this RFID label tag.And in an alternative embodiment of the invention, RFID label tag be set to regardless of whether mobile all can be with
It is mutual that described RFID acquisition module carries out signal, and described " identifying the identification information of mobile RFID label " including:
Gather and the signal intensity of tracking RFID label；
Judge whether described signal intensity changes, if so, judge that described RFID label tag is as mobile RFID label；
Identify the identification information of described mobile RFID label.
Concrete, described RFID acquisition module gathers the signal intensity of all RFID label tag in its sensing range, described
Whether the judge module of refrigerator changes according to signal intensity judges whether corresponding RFID label tag moves.If mobile RFID mark
Sign, the most described its identification information of RFID acquisition module identification, to confirm to be provided with the food of the food of described mobile RFID label
Title；If RFID label tag does not moves, the most described its identification information of RFID acquisition module nonrecognition.
Wherein, referring to Fig. 2, in one embodiment, the described step " change according to the signal intensity of described mobile RFID label
Change the type of action of mobile RFID label described in Trend judgement " including:
Analyze the variation tendency of the signal intensity of described mobile RFID label；
The type of action of described mobile RFID label is judged according to described variation tendency；Wherein, if described variation tendency is
Changing from weak to strong, the most described type of action is for being stored in action；If described variation tendency is for by dying down by force, the most described type of action is for taking
Go out action.
Described RFID acquisition module arranges the signal intensity of mobile RFID label described in real-time tracing, until its signal intensity
Remain stable to preset time period, then judge that described mobile RFID label completes mobile.Then institute is analyzed by data analysis module
State the change in signal strength in mobile RFID label moving process, it is thus achieved that its variation tendency.
Further, in an embodiment of the present invention, also can be according to described RFID acquisition module setting on described refrigerator
Seated position, prestores the some change in signal strength trend pre-programmed curve corresponding respectively to described type of action；Ginseng Fig. 3 and Tu
4, when described RFID acquisition module is arranged at the left side wall of inner container of icebox or right side wall, a kind of change corresponding to being stored in action
Change trend pre-programmed curve is as it is shown on figure 3, another kind corresponds to the variation tendency pre-programmed curve of taking-up action as shown in Figure 4.Described
Described variation tendency can be mated by judge module with described variation tendency pre-programmed curve, relative to judge described variation tendency
The type of action answered.Certainly, in the specific implementation, it is stored in action described in or described taking-up action can correspond respectively to multiple change
Trend pre-programmed curve.
It addition, referring to Fig. 5, in an alternative embodiment of the invention, also can be according to described RFID acquisition module in described refrigerator
On position is set, preset signal strength threshold A0, described signal strength threshold A0Can gather less than described RFID acquisition module
The signal intensity of any position in the described refrigerator arrived.Described step is " according to the signal intensity of described mobile RFID label
Variation tendency judges the type of action of described mobile RFID label " including:
Gather initial signal intensity A of described mobile RFID label1With final signal intensity A9；Described initial signal intensity
A1, described final signal intensity A9With preset signal strength threshold value A0Between magnitude relationship define described mobile RFID label
The variation tendency of signal intensity；
The type of action of described mobile RFID label is judged according to described variation tendency；Wherein, if described variation tendency is
A1≤A0＜ A9, the most described type of action is for being stored in action；If described variation tendency is A1＞ A0≥A9, the most described type of action is
Taking-up action.
Wherein, described RFID acquisition module arranges the signal intensity of mobile RFID label described in real-time tracing, until it is believed
Number intensity remains stable to preset time period, then judge that described mobile RFID label completes mobile.Described initial signal intensity A1
Signal intensity when starting mobile for described mobile RFID label, described final signal intensity A9Terminate for described mobile RFID label
Signal intensity after movement.Then by data analysis module according to described initial signal intensity A1, described final signal intensity A9With
Described signal strength threshold A0Between magnitude relationship define the variation tendency of signal intensity of described mobile RFID label.Pass through
Preset described signal strength threshold A0, data noise can be got rid of, as when user only move food position in refrigerator and not
When taking out or be stored in, although the signal intensity of the RFID label tag of food also can change, but due to its initial signal intensity A1
With final signal intensity A9It is all higher than signal strength threshold A0, therefore erroneous judgement will not be taking-up action or be stored in action.
It addition, in an embodiment of the present invention, described food control method also includes that being positioned at step " mates described mark letter
Breath and described type of action, to generate food storage data " after step:
Export described food storage data.
Concrete, can by the output module of described refrigerator described food storage data are exported to display module of refrigerator,
Or mobile terminal or the webserver.In conjunction with concrete application, can realize showing described food by display module or mobile terminal
Product storage data, also can update food storage list according to described food storage data, also be available for webserver collection user
Pick and place the kind of food, quantity or custom etc., to realize prompting function or recommending recipes etc..
Wherein, described step " mates described identification information and described type of action, to generate food storage data "
In:
Described identification information and described type of action can be mated according to temporal information；The described food storage generated
Data, including described identification information and described type of action, example as shown in the table.
In an embodiment of the present invention, described food control method also includes that described step " identifies mobile RFID label
Identification information " before step:
Receive the unlatching signal of refrigerator door, set up intermediate database；
And described step " mate described identification information and described type of action, to generate food storage data " it
After step:
Described food storage data are preserved to described intermediate database；
Receive the shutdown signal of described refrigerator door, add up the food comprising described identification information in described intermediate database
The bar number M of storage data；
If M >=2, then export the food quantity acquisition instructions corresponding with described identification information.
Wherein, the whole described food that described intermediate database is opened between closedown for storing described refrigerator door is deposited
Storage data.According to time sequencing, it is opened between closedown at described refrigerator door, all described mobile RFID being stored in/taking out
The food storage data of label can preserve one by one to described intermediate database, is expressed as example:
When closing described refrigerator door, access described intermediate database, and travel through described centre with described identification information
All food storage data in data base.If having 2 of same described identification information (such as " bread ") and above food being deposited
Storage data, the control module of the most described refrigerator generates the food quantity collection corresponding with described identification information (such as " bread ") and refers to
Order, and by the output of described food quantity acquisition instructions to display module of refrigerator, mobile terminal etc., such as pop-up dialogue box, to pass through
User inputs the quantity information updating the food corresponding with described identification information.
In an embodiment of the present invention, after described refrigerator door is closed, by the described food of described intermediate database
Storage data output is to update food storage list；Also can with network-in-dialing with by described food store data upload server,
Access the custom of food, or kind and the quantity accessing food according to user with statistics or analysis user, provide recipe recommendation, also
Prompting function etc. can be accomplished in conjunction with user's body health index.
It addition, in an embodiment of the present invention, described RFID can be started and gathers mould after described refrigerator door is opened
Block；After described refrigerator door is closed, close described RFID acquisition module.
An embodiment of the present invention also provides for the food management system of a kind of intelligent refrigerator, and described refrigerator includes for storing
Room, door body and door body induction apparatus between food, described door body described in the opening and closing between room so that user pass in and out described between room carry out
Picking and placeing of food, described door body induction apparatus can be used for sensing the opening and closing of described door body and generating corresponding unlatching signal and closedown
Signal.
Described refrigerator realizes its storage food is taken out or is stored in and the weight of each food by described food management system
Amount detects and identifies, to reach the effect of intelligence management and control.
Described food management system includes control module, judge module, RFID acquisition module, data analysis module, data
Processing module and output module.
Concrete, described RFID acquisition module, for identifying the identification information of mobile RFID label, and for adopting in real time
Collect the signal intensity of described mobile RFID label；
Described data analysis module, for analyzing described signal intensity and obtaining the variation tendency of described signal intensity；
Described judge module, for judging the type of action of described mobile RFID label according to described variation tendency；
Described data processing module, is used for mating described identification information with described type of action to generate a food storage
Data.
Wherein, so that the RFID label tag in described refrigerator is examined in described RFID acquisition module may be disposed at described refrigerator
Survey, concrete, can be used for identifying the signal of RFID label tag, gathering signal intensity and read the identification information of described RFID label tag
Deng.Described identification information generally comprises food name, in typing RFID label tag in advance.Certainly, it is thus achieved that before described identification information
The condition of carrying is: is previously provided with RFID label tag on each food, is not described in detail at this.
RFID label tag may be configured as passive label, active label, may also be configured to the most just send the label of signal.
According to the difference of described RFID label tag, the process of the identification information of mobile RFID label described in described RFID acquisition module identification is also
There is different embodiments.The most in one embodiment, RFID label tag is set to the most just send the label of signal, then
When food is moved, on food arrange RFID label tag synchronizing moving and send signal, described RFID acquisition module collection
The identification information of this RFID label tag is identified after this signal.
And in an alternative embodiment of the invention, RFID label tag is set to regardless of whether move and all can gather mould with described RFID
It is mutual that block carries out signal, and described RFID acquisition module gathers the signal intensity of all RFID label tag in its sensing range, and will
The transmission of described signal intensity is to described judge module；According to the described signal intensity that receives whether described judge module be additionally operable to
Change judges whether corresponding RFID label tag moves；If described RFID label tag is mobile RFID label, the most described RFID gathers mould
The identification information of this mobile RFID label of block identification, to confirm to be provided with the food name of the food of described mobile RFID label；
If RFID label tag does not moves, the identification information of the most described RFID acquisition module this RFID label tag of nonrecognition.
Wherein, described RFID acquisition module is set to the signal intensity of mobile RFID label described in real-time tracing, until its
Signal intensity remains stable to preset time period, then judge that described mobile RFID label completes mobile.Described data analysis module
Analyze the change in signal strength in described mobile RFID label moving process, it is thus achieved that its variation tendency.In one embodiment of the invention
In, described variation tendency includes changing from weak to strong and by dying down by force.
Described judge module is additionally operable to when described variation tendency is for changing from weak to strong, it is judged that described type of action is dynamic for being stored in
Make；And for when described variation tendency being by dying down by force, it is judged that described type of action is taking-up action.
Concrete, in an embodiment of the present invention, according to described RFID acquisition module position is set on described refrigerator,
Prestore the some change in signal strength trend pre-programmed curve corresponding respectively to described type of action；Ginseng Fig. 3 and Fig. 4, works as institute
State RFID acquisition module when being arranged at the left side wall of inner container of icebox or right side wall, a kind of variation tendency corresponding to being stored in action
Pre-programmed curve is as it is shown on figure 3, another kind corresponds to the variation tendency pre-programmed curve of taking-up action as shown in Figure 4.Described judgement mould
Described variation tendency can be mated by block with described variation tendency pre-programmed curve, to judge corresponding the moving of described variation tendency
Make type.Certainly, in the specific implementation, be stored in action described in or described taking-up action can to correspond respectively to multiple variation tendency pre-
If curve.
Referring to Fig. 5, in an alternative embodiment of the invention, also can be according to described RFID acquisition module setting on described refrigerator
Seated position, presets signal strength threshold A0, described signal strength threshold A0The institute that can collect less than described RFID acquisition module
State the signal intensity of any position in refrigerator.
Described RFID acquisition module is additionally operable to gather initial signal intensity A of described mobile RFID label1And final signal
Intensity A9, described initial signal intensity A1Signal intensity when starting mobile for described mobile RFID label, described final signal intensity
A9The signal intensity after moving is terminated for described mobile RFID label.
Described data analysis module is additionally operable to according to described initial signal intensity A1, described final signal intensity A9With default
Signal strength threshold A0Between magnitude relationship define the variation tendency of signal intensity of described mobile RFID label.
Described judge module can be additionally used in when described variation tendency is A1≤A0＜ A9Time, it is judged that described type of action is for depositing
Enter action；When described variation tendency is A1＞ A0≥A9Time, it is judged that described type of action is taking-up action.
By presetting described signal strength threshold A0, data noise can be got rid of, as only moved food in refrigerator as user
Position and when not taking out or be stored in, although the signal intensity of the RFID label tag of food also can change, but at the beginning of it
Beginning signal intensity A1With final signal intensity A9It is all higher than signal strength threshold A0, therefore taking-up action will not be judged as or be stored in dynamic
Make.
Described data processing module is additionally operable to according to temporal information, mates described identification information and described type of action, raw
Becoming described food storage data, described food storage data include described identification information and described type of action, such as following table
Exemplified.
Further, described control module is additionally operable to, when described refrigerator door is opened, receive described door body induction apparatus defeated
The unlatching signal sent, and for when described refrigerator door is closed, receive the shutdown signal of described door body induction apparatus conveying.
When described control module receives described unlatching signal, the foundation of described memory module is used for storing described food and deposits
The intermediate database of storage data；Described intermediate database for store that described refrigerator door is opened between closedown whole described in
Food storage data.According to time sequencing, it is opened between closedown at described refrigerator door, all described mobile RFID labels
Described food storage data can preserve one by one to described intermediate database, is expressed as example:
When described control module receives described shutdown signal, described data processing module adds up described intermediate database
In comprise described identification information food storage data bar number M；
Wherein, when M >=2, described control module output food quantity acquisition instructions is right to gather described RFID label tag institute
Answer the quantity information of food.
Concrete, when closing described refrigerator door, described data processing module accesses described intermediate database, and with institute
State all food storage data that identification information travels through in described intermediate database.If there is same described identification information (such as " face
Bag ") 2 and above food storage data, the most described control module generate corresponding with described identification information (such as " bread ")
Food quantity acquisition instructions；
Described output module is additionally operable to export to display module of refrigerator or mobile terminal described food quantity acquisition instructions
Deng, with in described display module or mobile terminal pop-up dialogue box, update and described identification information phase to be inputted by user
The quantity information of corresponding food.
In an embodiment of the present invention, described output module can be additionally used in, after described refrigerator door is closed, by described
The terminal memory of the described food storage data output extremely described refrigerator of intermediate database, to update food storage list；Also
The custom of food can be accessed with statistics or analysis user with network-in-dialing so that described food is stored data upload server, or
Access kind and the quantity of food according to user, provide recipe recommendation, may also be combined with user's body health index and accomplish to remind merit
Can etc..
Further, after described control module is additionally operable to the unlatching signal of reception refrigerator door, controls described RFID and gather
Module is opened；And after the shutdown signal receiving described refrigerator door, control described RFID acquisition module and close.
Compared with prior art, an embodiment of the present invention provides the food control method of intelligent refrigerator and food control
System has the advantages that the variation tendency by signal intensity, it is judged that the type of action of mobile RFID label, can be real-time
The access status of food in monitoring refrigerator；And by the real-time monitoring that food is accessed, can realize same food is repeatedly picked and placeed
Monitoring, in the case of when timely refrigerator switch gate, RFID label tag is identical, it is possible to obtain user and pick and place the pilot process of food,
Such as again it is stored in the situation of bread after taking out part bread in refrigerator, although RFID label tag the most all exists in enabling, but
Can be with the taking-up quantity of intelligent decision bread and volume residual.
In several embodiments provided by the present invention, it should be understood that structure, system and side described above
The embodiment of method is only schematically, such as, the division of described module, it is only a kind of logic function and divides, actual real
Can have now other dividing mode, the most multiple modules or assembly can in conjunction with or be desirably integrated into another device,
Or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or logical
Letter connection can be the INDIRECT COUPLING by some interfaces, device or module or communication connection, can be electrical, machinery or other
Form.
The described module illustrated as separating component can be or may not be physically separate, shows as module
The parts shown can be or may not be physical module, i.e. may be located at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.Some or all of module therein can be selected according to the actual needs to realize present embodiment scheme
Purpose.
It addition, each functional module in each embodiment of the present invention can be integrated in a processing module, it is possible to
Being that modules is individually physically present, it is also possible to 2 or 2 are integrated in a module with upper module.Above-mentioned integrated mould
Block both can realize to use the form of hardware, it would however also be possible to employ hardware adds the form of software function module and realizes.
Those listed above detailed description is only for illustrating of the feasibility embodiment of the present invention, and they are also
Being not used to limit the scope of the invention, all equivalent implementations or changes made without departing from skill of the present invention spirit all should
Within being included in protection scope of the present invention.
Claims (10)
1. the food control method of an intelligent refrigerator, it is characterised in that described method includes step:
Identify the identification information of mobile RFID label；
The variation tendency of the signal intensity according to described mobile RFID label judges the type of action of described mobile RFID label；
Mate described identification information and described type of action, to generate food storage data.
The food control method of intelligent refrigerator the most according to claim 1, it is characterised in that described step " identifies mobile
The identification information of RFID label tag " including:
Gather and the signal intensity of tracking RFID label；
Judge whether described signal intensity changes, if so, judge that described RFID label tag is as mobile RFID label；
Identify the identification information of described mobile RFID label.
The food control method of intelligent refrigerator the most according to claim 1, it is characterised in that described step is " according to described
The variation tendency of the signal intensity of mobile RFID label judges the type of action of described mobile RFID label " including:
Analyze the variation tendency of the signal intensity of described mobile RFID label；
The type of action of described mobile RFID label is judged according to described variation tendency；Wherein, if described variation tendency is by weak
Becoming strong, the most described type of action is for being stored in action；If described variation tendency is for by dying down by force, the most described type of action is dynamic for taking out
Make.
The food control method of intelligent refrigerator the most according to claim 1, it is characterised in that described step is " according to described
The variation tendency of the signal intensity of mobile RFID label judges the type of action of described mobile RFID label " including:
Gather initial signal intensity A of described mobile RFID label1With final signal intensity A9；Described initial signal intensity A1, institute
State final signal intensity A9With preset signal strength threshold value A0Between magnitude relationship define described mobile RFID label signal strong
The variation tendency of degree；
The type of action of described mobile RFID label is judged according to described variation tendency；Wherein, if described variation tendency is A1≤A0
＜ A9, the most described type of action is for being stored in action；If described variation tendency is A1＞ A0≥A9, the most described type of action is for taking out
Action.
The food control method of intelligent refrigerator the most according to claim 1, it is characterised in that described step " identifies mobile
The identification information of RFID label tag " further comprise the steps of: before
Receive the unlatching signal of refrigerator door, set up intermediate database；
And described step " mate described identification information and described type of action, to generate food storage data " after also
Including step:
Described food storage data are preserved to described intermediate database；
Receive the shutdown signal of described refrigerator door, add up the food storage comprising described identification information in described intermediate database
The bar number M of data；
If M >=2, then export the food quantity acquisition instructions relevant to described identification information.
6. the food management system of an intelligent refrigerator, it is characterised in that described food management system includes:
RFID acquisition module, for identifying the identification information of mobile RFID label, and mobile RFID label described in Real-time Collection
Signal intensity；
Data analysis module, for analyzing described signal intensity and obtaining the variation tendency of described signal intensity；
Judge module, for judging the type of action of described mobile RFID label according to described variation tendency；
Data processing module, is used for mating described identification information with described type of action to generate food storage data.
The food management system of intelligent refrigerator the most according to claim 6, it is characterised in that described RFID acquisition module is also
For gathering the signal intensity of all RFID label tag being positioned at its sensing range；
Described judge module is additionally operable to judge whether the signal intensity of described RFID label tag changes, and the most described judge module is sentenced
Fixed described RFID label tag is described mobile RFID label.
The food management system of intelligent refrigerator the most according to claim 6, it is characterised in that described judge module is additionally operable to
When described variation tendency is for changing from weak to strong, it is judged that described type of action is for being stored in action；And for when described variation tendency being
By dying down by force, it is judged that described type of action is taking-up action.
The food management system of intelligent refrigerator the most according to claim 6, it is characterised in that described RFID acquisition module is adopted
Collect initial signal intensity A of described mobile RFID label1With final signal intensity A9；
Described data analysis module is additionally operable to according to described initial signal intensity A1, described final signal intensity A9With preset signals
Intensity threshold A0Between magnitude relationship define the variation tendency of signal intensity of described mobile RFID label；
Described judge module is additionally operable to when described variation tendency is A1≤A0＜ A9Time, it is judged that the action of described mobile RFID label
Type is for being stored in action；And be used for when described variation tendency is A1＞ A0≥A9Time, it is judged that described type of action is dynamic for taking out
Make.
The food management system of intelligent refrigerator the most according to claim 6, it is characterised in that described food management system
Also including memory module and output module, described memory module is for when the door body of described refrigerator is opened, setting up and be used for storing
The intermediate database of described food storage data；
Described data processing module is additionally operable to, when the door body of described refrigerator is closed, during described data processing module statistics is described
Spatial database comprises the bar number M of the food storage data of described identification information；
Wherein, when M >=2, described output module output food quantity acquisition instructions, eat corresponding to described identification information to gather
The quantity information of product.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679327A (en) * | 2017-01-25 | 2017-05-17 | 北京通远科技有限公司 | Intelligent refrigerator based on RFID scanning and containing object management method thereof |
| CN110906640A (en) * | 2018-09-14 | 2020-03-24 | 博西华电器（江苏）有限公司 | Article positioning method of storage equipment and storage equipment |
| CN111457667A (en) * | 2019-01-22 | 2020-07-28 | 日立环球生活方案株式会社 | Refrigerator remote control device, control method thereof and storage medium |
| CN111901742A (en) * | 2019-05-06 | 2020-11-06 | 浙江汉朔电子科技有限公司 | Method and device for positioning electronic price tags based on neighbor relation |
| CN112261582A (en) * | 2019-07-05 | 2021-01-22 | 浙江汉朔电子科技有限公司 | Electronic price tag moving position determining method, device and system |
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| US11506448B2 (en) | 2018-11-14 | 2022-11-22 | Samsung Electronics Co.. Ltd. | Method and device for managing food in refrigerator |
| WO2023093534A1 (en) * | 2021-11-26 | 2023-06-01 | 沈阳海尔电冰箱有限公司 | Refrigerator food material management module and refrigerator |
| CN113915842B (en) * | 2021-10-20 | 2023-06-23 | 海信冰箱有限公司 | Refrigerator and food material monitoring method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1801177A (en) * | 2005-01-03 | 2006-07-12 | 三星电子株式会社 | Refrigerator and method of controlling the same |
| CN101118600A (en) * | 2006-07-31 | 2008-02-06 | 海尔集团公司 | Article management system based on radio frequency recognition technology |
| JP4284534B2 (en) * | 2004-09-01 | 2009-06-24 | 三菱電機株式会社 | Refrigerated refrigerator with RFID (IC tag) |
| CN102645083A (en) * | 2012-05-24 | 2012-08-22 | 南京大学 | Intelligent refrigerator based on radio frequency recognition technology and working method thereof |
| CN103196277A (en) * | 2013-03-29 | 2013-07-10 | 惠州Tcl家电集团有限公司 | Refrigerator food management method and system, server and refrigerator |
| CN104636856A (en) * | 2014-11-03 | 2015-05-20 | 广东奥马电器股份有限公司 | Method and system for processing food quantity and variety information of intelligent refrigerator |
| CN104677049A (en) * | 2015-03-24 | 2015-06-03 | 合肥美菱股份有限公司 | Food information management system for refrigerator and refrigerator |
| CN105139046A (en) * | 2015-08-14 | 2015-12-09 | 无锡物讯科技有限公司 | Method for determining movement direction of RF label in gate region |
| CN105571268A (en) * | 2016-02-01 | 2016-05-11 | 合肥华凌股份有限公司 | Refrigerator for recognizing food based on RFID technology |
-
2016
- 2016-05-31 CN CN201610377763.7A patent/CN106052242B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4284534B2 (en) * | 2004-09-01 | 2009-06-24 | 三菱電機株式会社 | Refrigerated refrigerator with RFID (IC tag) |
| CN1801177A (en) * | 2005-01-03 | 2006-07-12 | 三星电子株式会社 | Refrigerator and method of controlling the same |
| CN101118600A (en) * | 2006-07-31 | 2008-02-06 | 海尔集团公司 | Article management system based on radio frequency recognition technology |
| CN102645083A (en) * | 2012-05-24 | 2012-08-22 | 南京大学 | Intelligent refrigerator based on radio frequency recognition technology and working method thereof |
| CN103196277A (en) * | 2013-03-29 | 2013-07-10 | 惠州Tcl家电集团有限公司 | Refrigerator food management method and system, server and refrigerator |
| CN104636856A (en) * | 2014-11-03 | 2015-05-20 | 广东奥马电器股份有限公司 | Method and system for processing food quantity and variety information of intelligent refrigerator |
| CN104677049A (en) * | 2015-03-24 | 2015-06-03 | 合肥美菱股份有限公司 | Food information management system for refrigerator and refrigerator |
| CN105139046A (en) * | 2015-08-14 | 2015-12-09 | 无锡物讯科技有限公司 | Method for determining movement direction of RF label in gate region |
| CN105571268A (en) * | 2016-02-01 | 2016-05-11 | 合肥华凌股份有限公司 | Refrigerator for recognizing food based on RFID technology |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679327A (en) * | 2017-01-25 | 2017-05-17 | 北京通远科技有限公司 | Intelligent refrigerator based on RFID scanning and containing object management method thereof |
| CN110906640A (en) * | 2018-09-14 | 2020-03-24 | 博西华电器（江苏）有限公司 | Article positioning method of storage equipment and storage equipment |
| US11506448B2 (en) | 2018-11-14 | 2022-11-22 | Samsung Electronics Co.. Ltd. | Method and device for managing food in refrigerator |
| CN111457667A (en) * | 2019-01-22 | 2020-07-28 | 日立环球生活方案株式会社 | Refrigerator remote control device, control method thereof and storage medium |
| CN111901742A (en) * | 2019-05-06 | 2020-11-06 | 浙江汉朔电子科技有限公司 | Method and device for positioning electronic price tags based on neighbor relation |
| CN111901742B (en) * | 2019-05-06 | 2022-10-11 | 汉朔科技股份有限公司 | Method and device for positioning electronic price tags based on neighbor relation |
| CN112261582A (en) * | 2019-07-05 | 2021-01-22 | 浙江汉朔电子科技有限公司 | Electronic price tag moving position determining method, device and system |
| CN112261582B (en) * | 2019-07-05 | 2023-01-20 | 汉朔科技股份有限公司 | Electronic price tag moving position determining method, device and system |
| CN113074512A (en) * | 2020-01-06 | 2021-07-06 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
| CN113915842B (en) * | 2021-10-20 | 2023-06-23 | 海信冰箱有限公司 | Refrigerator and food material monitoring method thereof |
| CN113902076A (en) * | 2021-10-22 | 2022-01-07 | 天津科畅慧通信息技术有限公司 | Ultrahigh frequency RFID label dynamic and static detection method |
| WO2023093534A1 (en) * | 2021-11-26 | 2023-06-01 | 沈阳海尔电冰箱有限公司 | Refrigerator food material management module and refrigerator |
| CN114623640A (en) * | 2022-03-01 | 2022-06-14 | 海信（山东）冰箱有限公司 | Refrigerator and electronic tag management method thereof |
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