CN108872218A - fresh food freshness monitoring method and device - Google Patents
fresh food freshness monitoring method and device Download PDFInfo
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- CN108872218A CN108872218A CN201810644433.9A CN201810644433A CN108872218A CN 108872218 A CN108872218 A CN 108872218A CN 201810644433 A CN201810644433 A CN 201810644433A CN 108872218 A CN108872218 A CN 108872218A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
Abstract
This disclosure relates to a kind of fresh food freshness monitoring method and device.This method includes：The freshness status information and classification for obtaining fresh food indicate information；Classification belonging to the fresh food is determined based on classification instruction information；Classification belonging to freshness status information and the fresh food based on the fresh food, determines the grade of freshness of the fresh food.The technical solution that the embodiment of the present disclosure provides can accurately reflect the freshness of fresh food.
Description
Technical field
This disclosure relates to monitoring technology more particularly to a kind of fresh food freshness monitoring method and device.
Background technique
It is shown according to China Chain Operation Association's survey report, in China's resident's current consumption expenditure, food specific gravity is maximum
Nearly 50% is accounted for, the consumer of nearly half is to buy fresh food to supermarket.
The operation of fresh food is that one with high content of technology, management requires tight professional work, if any careless, is be easy to cause
Damage and rotten, nutriment amount decline.According to the continuous investigation in 8 years of Shanghai quality association, it is related to Carrefour, metro, Wal-Mart
Deng 13 hypermarket, service quality satisfaction only has 74.78%；It is its freshness first that people, which pay close attention to fresh food, up to
68.03%, followed by pesticide residue degree, price the problems such as.The freshness of fresh food is poor, and price is but higher by community food market,
User, which will be will lead to, can lose the confidence to supermarket.
The fresh-keeping system of fresh food is complicated, and it is new to be unable to satisfy food for the detection device and personnel that existing most supermarket is equipped with
The demands such as freshness detects, price timely updates.
External feature of the freshness as fresh food is significant consideration when consumer buys fresh food.Disappear
Expense person can perceive the difference of the freshness of each moment fresh food；If the freshness and price phase of fresh food
Match, then consumer can normally buy；If the price of fresh food and the freshness of product mismatch, it is stagnant to be likely to occur product
Pin causes waste to reduce supermarket's credit worthiness again.
Currently, fresh food is mainly judged by the shelf-life of food packaging and organoleptic analysis with goods personnel and consumer
The freshness of food, this method order of accuarcy is low, big with truth gap, is easy to happen safety problem.
In the prior art, lack a kind of fresh food freshness monitoring method, can accurately reflect fresh food
Freshness.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The disclosure is designed to provide a kind of fresh food freshness monitoring method and device, accurately reflects fresh food
The freshness of product.
According to one aspect of the disclosure, a kind of fresh food freshness monitoring method, including：
The freshness status information and classification for obtaining fresh food indicate information；
Classification belonging to the fresh food is determined based on classification instruction information；
Classification belonging to freshness status information and the fresh food based on the fresh food, determines the life
The grade of freshness of fresh food.
According to another aspect of the present disclosure, a kind of fresh food freshness monitoring device is provided, including：
Processor：
Memory is stored with the executable program instruction of the processor；
Wherein the processor is configured to execute preceding method.
According to another aspect of the present disclosure, a kind of fresh food freshness monitoring system is additionally provided, including：
Freshness indicating label or sensor, are arranged in the packaging bag of fresh food；
Acquisition equipment for capturing the freshness status information on the freshness indicating label or sensor, and is used
Information is indicated in the classification for obtaining fresh food；And
Fresh food freshness monitoring device as described above.
According to another aspect of the present disclosure, a kind of readable storage medium storing program for executing is also provided, when the instruction in the storage medium by
When the processor of electronic equipment executes, so that electronic equipment is able to carry out preceding method.
In the technical scheme provided by this disclosed embodiment, on the one hand, since the freshness of fresh food can be obtained
Status information, it is thus possible to the freshness state of the reflection fresh food of grade of freshness determined by ensuring.On the other hand, it is based on
Classification belonging to the freshness status information of the fresh food and the fresh food determines grade of freshness, it can be ensured that
Grade of freshness is objective determination, rather than by consumer or Supermarket management personnel etc. with oneself sense organ confirmation, it can be with
Ensure the objectivity and accuracy of grade of freshness.Therefore, the technical solution that the embodiment of the present disclosure provides can accurately reflect
The freshness of fresh food.
Detailed description of the invention
It is described in detail its exemplary embodiment by referring to accompanying drawing, the above and other feature and advantage of the disclosure will become
It obtains more obvious.It should be evident that the accompanying drawings in the following description is only some embodiments of the present disclosure, it is common for this field
For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.Attached
In figure：
Fig. 1 shows the flow chart of the fresh food freshness monitoring method according to one exemplary embodiment of the disclosure.
Fig. 2 shows according to the operating environment of the fresh food freshness monitoring method of one exemplary embodiment of the disclosure
Schematic diagram.
Fig. 3 shows the example according to an electronic label intelligent system based on the monitoring of fresh food freshness.
Fig. 4 is the front view and side view of intelligent display cabinet system.
Fig. 5 is that an example for carrying out information is shown on electronic tag.
Fig. 6 shows the example of the pricing information corresponding with the freshness of pears shown by electronic tag.
Fig. 7 shows the example of an electronic tag.
Fig. 8 shows the schematic illustration of freshness indicating label intelligent packaging.
Fig. 9 shows RipeSense fruit maturity smart color indication sensor.
Figure 10 shows To-Genkyo meat product freshness color indication label.
The white centers that Figure 11 shows fresh code indicator (freshcode indicator) are impregnated with intelligent ink.
Figure 12 shows the block diagram of the exemplary monitoring process according to the embodiment of the present disclosure.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will be comprehensively and complete
It is whole, and the design of example embodiment is comprehensively communicated to those skilled in the art.Described feature, structure or characteristic can
Be incorporated in one or more embodiments in any suitable manner.In the following description, provide many details from
And it provides and embodiment of the disclosure is fully understood.It will be appreciated, however, by one skilled in the art that can be of the disclosure
Technical solution, or can be using other methods, constituent element, material, dress without one or more in the specific detail
It sets, step etc..In other cases, known solution is not shown in detail or describes to avoid fuzzy all aspects of this disclosure.
In addition, attached drawing is only the schematic illustrations of the disclosure, not necessarily it is drawn to scale.Identical attached drawing in figure
Label identifies the same or similar part, thus will omit repetition thereof.
Fig. 1 shows the flow chart of the fresh food freshness monitoring method according to one exemplary embodiment of the disclosure.It should
Method includes：
Step 101, the freshness status information for obtaining fresh food and classification indicate information.
Step 102 determines classification belonging to the fresh food based on classification instruction information；
Classification belonging to step 103, the freshness status information based on the fresh food and the fresh food, really
The grade of freshness of the fixed fresh food.
In the technical scheme provided by this disclosed embodiment, on the one hand, due to obtaining the freshness shape of fresh food
State information, it is thus possible to the real time new freshness conditions of the reflection fresh food of grade of freshness determined by ensuring.On the other hand, base
The classification belonging to the freshness status information of the fresh food and the fresh food determines grade of freshness, can be true
Protecting grade of freshness is objective determination, rather than confirmed by consumer or Supermarket management personnel etc. with the sense organ of oneself, it can
To ensure the objectivity and accuracy of grade of freshness.Therefore, the technical solution that the embodiment of the present disclosure provides can be accurately anti-
Reflect the freshness of fresh food.
Fig. 2 shows according to the operating environment of the fresh food freshness monitoring method of one exemplary embodiment of the disclosure
Schematic diagram.
The operating environment include fresh food freshness monitoring device 21, acquisition equipment 22, electronic showing device 23 and
Detection device 24.
In the packaging of fresh food 25, bar code 251 and freshness indicating label or sensor 252 can be posted.
The bar code 251 can wrap containing information such as mark relevant to the fresh food, introduction, prices.The freshness indicating label
Or the color of sensor 252 can change with the freshness of fresh food.
The equipment such as can be camera of figure acquisition equipment 22 can capture freshness indicating label or sensor in real time
Colouring information on 252, and the colouring information is sent to fresh food freshness monitoring device 21 in a wired or wireless fashion.
In addition, acquisition equipment 22 can also capture the classification instruction information of article 25, such as the characteristic information of fresh food in real time, such as
Texture, shape, color of fresh food etc., these information are determined for classification described in a certain article.And capture dress
Setting 22 can indicate that information is sent to fresh food freshness monitoring device 21 for the category.Alternatively, capture device 22 can be straight
Classification information in fresh food packaging bag is obtained to obtain, and category information is sent to fresh food freshness monitoring device
21。
Electronic showing device 23 can be the electronic equipments such as electronic tag, can receive fresh food freshness monitoring device
21 freshness sent indicate information, and are shown.
Detection device 24 may, for example, be sensor, for detecting the storage ambient information of fresh food, for example (,) it is temperature, wet
Degree etc..The storage ambient information that the detection device 24 can will test is sent to fresh food freshness monitoring device 21, makes
Obtaining fresh food freshness monitoring device 21 can be monitored in real time temperature, humidity etc..
Fresh food freshness monitoring device 21 may include processor 211 and memory 212.It is stored on memory 212
There are the computer program instructions that can be run on processor 211.Processor 211 executes computer program and may be implemented to be described herein
Method.
Memory 212 can be various by any kind of volatibility or non-volatile memory device or their combination
It realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable
Read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory,
Disk or CD.
The device 21 can be the various equipment for having calculating and processing capacity, in addition to memory 212 and processor 211 it
Outside, can also include various input equipments (such as user interface, keyboard etc.), various output equipments (such as loudspeaker etc.), with
And display equipment, it repeats no more herein.
The embodiment of the present invention also provides computer readable storage medium, is stored with computer program, the computer program quilt
The step of institute of embodiment of the present invention providing method is realized when processor executes.
According to an exemplary embodiment, fresh food freshness monitoring method can also include：Fresh food freshness prison
Survey device 21 and can generate freshness based on grade of freshness and indicate information, freshness instruction information may include with it is described new
In associated first prompt information of freshness grade and the second prompt information for prompting the fresh food rotten extremely
Few one kind.For example, freshness instruction information may include (the price reduction letter such as the price reduction information of some fresh food, discount information
Breath, discount information are the examples of the first prompt information).The freshness indicates that information can also include for example for reminding supermarket to manage
Reason person replaces the information (example that the information is the second prompt information) of rotten fresh food.Freshness instruction information can be sent out
It send to electronic showing device 23.
In additional embodiment, electronic showing device 23 it is not necessary to.For example, fresh food freshness monitoring device
The 21 freshness instruction information generated can show Supermarket management personnel by other means, and Supermarket management personnel can will be new
Freshness indicates that information is shown in paper labels.
According to an exemplary embodiment, the freshness status information includes characterizing the face of the freshness of the fresh food
Color information.For example, the freshness status information includes the colouring information on the freshness indicating label of the fresh food.
The classification instruction information includes the characteristic information of the fresh food.
According to an exemplary embodiment, classification belonging to the fresh food is determined based on classification instruction information, is wrapped
It includes：
From at least one in the color, shape and texture for extracting the fresh food in the characteristic information of the fresh food
Kind；
At least one of color, shape and texture based on the fresh food determine class described in the fresh food
Not.
Specifically, extracting color parameter from the colouring information on the freshness indicating label；
Classification belonging to the color parameter and the fresh food is compared with food analysis database, to determine
State the grade of freshness of fresh food；
The fresh food classification and freshness etc. of fresh food there are many wherein being stored in the food analysis database
Grade.
In addition, being also stored with the corresponding price of different grade of freshness of every kind of fresh food in food analysis database
Coefficient information.For example, the value of the cost coefficient can be 0 to 1, grade of freshness is higher, then cost coefficient is bigger.Change speech
It, grade of freshness is higher, and the corresponding discount dynamics of the fresh food is smaller.
For example, can store food analysis database in the memory 212 of fresh food freshness monitoring device 21,
Food analysis data storage can also be stored with and life there are many fresh food classification and grade of freshness of fresh food
Cost coefficient information of freshness state relation of fresh food etc..Fresh food freshness monitoring device 21 can will be currently real-time
Classification belonging to the color parameter of acquisition and the fresh food is compared with food analysis database, is assured that certain in this way
The current grade of freshness of one fresh food.Furthermore it is also possible to according to pre-stored in food analysis database and fresh food
The corresponding cost coefficient information of the grade of freshness of product determines that freshness indicates information.For example, if a kind of freshness of fruit
Grade decline, then can based on cost coefficient information associated with the grade of freshness in food analysis database, generate with
Pricing information (example that the pricing information is the first prompt information) after the discounting that current grade of freshness matches.Example again
It such as,, then can be with already below rotten threshold value if determining that the grade of freshness of certain fruit declines based on food analysis database
The second prompt information is generated, administrative staff is prompted to replace rotten fruit.
According to an exemplary embodiment, freshness is generated based on the grade of freshness and indicates information, including：
Judge the grade of freshness state；
It is lower than rotten threshold value in response to the grade of freshness of the fresh food, generates second prompt information；
It is higher than rotten threshold value in response to the grade of freshness of the fresh food and is lower than freshness threshold, generates described the
One prompt information.
That is, needing to generate described if once the grade of freshness of a certain fresh food is lower than rotten threshold value
Second prompt information reminds supermarket personnel to replace rotten fresh food.
If the grade of freshness of a certain fresh food is higher than rotten threshold value and is lower than freshness threshold, illustrate the fresh food
Product are there is presently no rotten, but freshness is declined slightly, then after the discounting to match with current grade of freshness can be generated
Pricing information (example that the pricing information is the first prompt information).
Specifically, the first prompt information of generation may include：According to grade of freshness and corresponding with grade of freshness
Cost coefficient information generate the first prompt information.For example, for a certain fresh food, can by the classification of the fresh food with
The current grade of freshness of the fresh food is compared with food analysis database, determines the current grade of freshness of the fresh food
Corresponding cost coefficient (such as numerical value in 0 to 1), which is multiplied with the original price of the fresh food can
Price after discount to obtain the fresh food, price can be used as the example of the first prompt information after the discount.The freshness
Grade can be arranged according to the type of every kind of fresh food and characteristic, and it is not specifically limited to this for the embodiment of the present disclosure.
According to an exemplary implementation, can also include：The storage ambient information of the fresh food is obtained (for example, can be with
The storage ambient information of fresh food is obtained in real time)；Based on the grade of freshness of the fresh food, the storing apparatus is controlled
Storage ambient information.
For example, can implement to obtain storage ambient information (such as the temperature, humidity of fresh food by detection device 24
Deng).Also, fresh food freshness monitoring device 21 can control storage ring based on current fresh food grade of freshness
Border information.For example, storing apparatus (such as the refrigerator-freezer of meat can be reduced if detecting the freshness decline of a certain meat
Deng) temperature.
According to an exemplary embodiment, which can also include：
The bar code information of freshness status information and the fresh food based on the fresh food, determine described in
The pricing information of fresh food.
For example, in checkout, cashier scans fresh food if consumer determines after buying a certain fresh food
Color on bar code information and freshness indicating label.Since bar code information includes mark relevant to the fresh food
The information such as knowledge, introduction, price, thus the classification and its original valence of the fresh food can be determined by scanning bar code information
Lattice.By the colouring information on scanning freshness indicating label, which is compared with food analysis database, it can
The corresponding grade of freshness of fresh food to determine the category, and can also by food analysis database search for come
Determine the corresponding cost coefficient information of the grade of freshness.By being somebody's turn to do include in the cost coefficient information and bar code information
The original price of fresh food is multiplied, and can determine pricing information corresponding with the current freshness of the fresh food, and then complete
At checkout.
Operating environment as shown in Figure 2 can form set of system (i.e. fresh food), the system in the embodiment of the present disclosure
In each equipment, such as acquisition equipment, processor, memory, electronic tag, detection device etc. may be located on supermarket or
Other are for showing in the environment of fresh article.These devices can disperse throughout.For example, acquisition equipment, electronic tag and
Detection device can be close to the fresh food setting shown, and the control centre in supermarket can be set in processor, memory etc., real
Now corresponding control.Alternatively, these devices can be with concentrated setting at one, such as these devices can be set in an intelligent exhibition
Show in cabinet.
The technical solution of the disclosure is described below in conjunction with specific example.
Fig. 3 shows the example according to an electronic label intelligent system based on the monitoring of fresh food freshness.
Supermarket's fresh food with goods personnel usually in accordance in food packaging shelf-life or organoleptic analysis grasp food
Freshness, to manually carry out food price and release corresponding activity.But it the date of manufacture of traditional product label and guarantees the quality
Phase can accurately not show the freshness of food.Most fresh food mark is simple, no place of production, date of manufacture
Deng accountability unit and personnel can not be traced back to once going wrong.In addition, due in fresh food dispatching or storage, it can
It is improper that temperature, the humidity etc. that can occur are managed and saved, it is also possible to which the expired time for product occur prior to appearance label becomes
Matter, the processes such as addle.Some fresh food are mixed the genuine with the fictitious refill with old, and What is more fakes, arbitrarily in change packaging
Date cheats consumer.
It, can be according to the true freshness state of single product, for single individual by constructing system as shown in Figure 3
It fixes a price；So that the product price that consumer buys is worth real matching with it, supermarket consumer is reduced not
Satisfaction rate.
System as shown in Figure 3 has following function：
Function 1：Big data platform+deep learning algorithm forms complete food analysis database.The database includes life
Fresh food classification, freshness identification information, and the pricing information based on food variety and freshness state etc..
Function 2：Food classification --- it is obtained by sensor (for example, optics 2D camera/depth cameras or sensor)
It takes the information such as shape of food, color, texture or food classification is carried out by identification packaged information.
Function 3：Food freshness periodic monitor.
Function 4：Food preservation environment (temperature, humidity etc.) is adjusted.
Function 5：Electronic label intelligent pushes in real time.
Function 6：Scanner combination food bar code and intelligent label colouring information price.
Freshness state instruction
The variation such as color, form, smell can occur in maturation/metamorphic process for fresh food, different types of food
Variable condition has difference.For example, the freshness discriminating conduct of common food is as follows.For vegetables, for different freshness
Blade, moisture content, color state and texture have very big difference in thickness or arrangement.For meat, bean curd, fish
Deng these food reduce its color change with freshness, while can also release gas, such as pork meeting in decay process
Generate Volatile Base Nitrogen TVB-N.
Inconsistent based on rotten/mature state generated of different fresh food, Noninvasive Measuring Method of Freshness also has difference.Root
According to demand, following methods can be used.For example, can be used non-contact for there is the food of obvious color change in change procedure
Formula RGB or XYZ Tansducer For Color Distiguishing (for example, optical camera) or color difference meter carry out the identification and analysis of color difference, or pass through
Camera captures its color, and the variable condition for obtaining color is handled using computer vision algorithms make.For being generated in change procedure
Non-contacting gas identification sensor can be used in the food of special gas.Change big food for moisture content in change procedure
Product can be used non-contact microwave/infrared moisture test equipment and identify its moisture state.
Hereinafter, it is new to be further based on fresh food to the one kind proposed by taking freshness state instruction intelligent packaging as an example
The electronic label intelligent system of freshness monitoring explains.
Intelligent display cabinet
Fig. 4 is the front view and side view of intelligent display cabinet system.System group becomes：Showcase cabinet, intelligent display cabinet
Glazing plate, intelligent packaging food, intelligent packaging capture device 1-3, showcase temperature/humidity sensor, electronic tag and it is
System control unit.
Intelligent label state capture equipment 1-3, for capturing the intelligent packaging image that fresh food is housed.By to capture
The analysis and processing of image can obtain food variety information and the instruction of freshness color in conjunction with cloud food analysis database
The colouring information of label.
Wherein, consumer is when buying fresh food, more freshness and price for paying close attention to fresh food, food freshness
Higher, consumer is ready that the price of payment is higher.It, can be by the face of freshness indicating label according to food maturation/metamorphic process
Color change state is divided into n stage, and the price of next stage successively reduces more on last stage；When freshness stage index is reduced to
When lower than freshness threshold, system controller control electronic tag shows the first prompt information.
Wherein, when freshness falls below freshness threshold, the first prompt information is can be generated in system control unit,
First prompt information can be sent to electronic tag.It is sent to the first prompt information (color matching, font, the size of electronic tag
Deng) answer it is eye-catching, to attract consumer.Fig. 5 is the example that information is shown on electronic tag.It is shown on the electronic tag
The price reduction information of certain food and some recommended informations of the food.According to some embodiments, can pass through on electronic tag
Different colours illustrate different price reduction information etc..It alternatively, can also be using display black and white face according to other embodiments
The electronic tag of color, and cooperate lampion to bring and illustrate different price reduction information.Such as in some applied fields for requiring low cost
Jing Zhong, can be using the embodiment of black and white electronic tag cooperation lampion band.
According to price corresponding to the food freshness state in intelligent display cabinet, electronic tag or papery mark can be made
Label remind consumer.Fig. 6 shows the pricing information corresponding with the freshness of pears shown by electronic tag.
Wherein, electronic tag can use Electronic Paper or liquid crystal display.Fig. 7 shows the example of an electronic tag
Son.
Freshness indicating label in food packaging is described below.Time-temperature instruction, bio-sensing, gas can be used
Body method for sensing etc. indicates freshness.For example, oxygen content monitoring；Ethylene contents monitoring；The monitoring of volatile amine content；Thermo-color
Ink, etc..By analyzing the color of freshness indicating label, controlled by intelligent label color state capture device and system single
The analyses and comparison of member, can control intelligent display cabinet food storage environment and control electronic tag is shown.
Freshness indicating label intelligent packaging principle is, certain characteristic gas that food generates in storage and special
Determining the reaction of reagent generation characteristic color, temperature activation biologically and enzyme effect etc. causes indicating label to change, thus right
Food freshness judges.By taking characteristic gas detection scheme as an example, exemplar schematic is illustrated as depicted in figure 8.
Freshness color indicating label (Adhesive layer of back of tag) is affixed on intelligent packaging
The outer surface (packaging film), intelligent packaging inside and outside between a tubulose state or planar channel (wick), intelligence are set
Energy package interior food is in maturation/metamorphic process, due to the escaping gas (volatile of microorganism decomposition generation
Amine it) volatilizees by tubulose state or planar channel, and the particular agent in channel with channel inner surface attachment is (for example, to this
The pH indicator of volatile amine sensitivity) it chemically reacts, it can observe corresponding color change.It, can and then by colorimetric method
Quickly judge the freshness stage of food.
Freshness color indication label, can be more scientific by chemical reaction in conjunction with features such as food, environment, packagings
The freshness state for indicating fresh food；And after consumer's purchase food leaves supermarket, it still is able to remind consumer
The freshness of food can be reduced the waste of food, can also be improved the reliability of food safety.
The typically freshness color indication label based on biology or gas sensing, has：1. the fruit of RipeSense is mature
It spends smart color and indicates thin film sensor, as shown in Figure 9；2. To-Genkyo meat product freshness color indication label is such as schemed
Shown in 10；3. the Fresh Grade Breast freshness color indicating label of FreshCode, as shown in figure 11.
Typical time-temperature instruction product has：1. the FreshCheck partial- based on Principles of Polymerization
history indicator by TimeTemp Inc.；2. the 3M Monitor Mark based on dyestuff diffusion principle；3. being based on
The CheckPoint by of color change based on enzymatic lipaseTTI。
Fig. 9 shows RipeSense fruit maturity smart color indication sensor (left side) and the pears of RipeSense are new
Freshness color indication label maturity-color change curve (right side).The abscissa of right part of flg is number of days at room temperature in Fig. 9, is indulged
Coordinate is different maturity, including succulence, is hardened and becomes fragile.
For some fruit during maturation, color does not have significant change, such as pears, pawpaw, butter fruit etc., therefore can not
The maturity of this kind of fruit is judged by surface color.But fruit can generate gas in maturation.RipeSense fruit is new
Freshness identification intelligent label changes color and acting on the aerochemistry discharged in fruit maturation.With fruit
Maturation arrives corruption, and intelligent label film becomes orange from red, eventually becomes yellow.
Figure 10 shows To-Genkyo meat product freshness color indication label.The function of the label is with the time
Passage and change colour.Once meat (or other perishable farm products) is expired, label will become blue from white.Have on the outside of the label
There are the special inks reacted with ammonia in bar code food information, the other side, and the ink is by nontoxic, safe purple cabbage pigment system
At (pigment of purple cabbages.).
The white centers that Figure 11 shows fresh code indicator (freshcode indicator) are impregnated with intelligent ink, should
Ink captures the escaping gas discharged during Fresh Grade Breast is rotten in controlled atmospheric packing (MAP).When this intelligent ink gradually changes
Color is to indicate freshness.When indicator is completely black, product is no longer appropriate for eating.
Whole monitoring process
Figure 12 shows the block diagram of the exemplary monitoring process according to the embodiment of the present disclosure.
Firstly, the original image of the fresh food on intelligent packaging capture device (such as camera etc.) timing acquisition shelf
Data.
By image analysis and processing, the color of the freshness indicating label or sensor in fresh food packaging is extracted
The color of characteristic parameter and/or food, shape, Texture eigenvalue parameter, wherein the characteristic parameter of food is for determining foodstuff
Not.Or it can also determine that food is classified by food pack feature.
In conjunction with food analysis database and the food feature extracted or smart packages pack, food classification is determined.
The grade of freshness of food is determined in conjunction with food classification and freshness indicating label Color characteristics parameters, that is, is determined
Which stage food freshness is in.
It is right according to intelligent display cabinet storage ambient (temperature, humidity etc.) information of food freshness grade and extract real-time
Showcase storage ambient (temperature, humidity etc.) is controlled.
Furthermore it is also possible to judge whether grade of freshness is lower than rotten threshold value, if generating second lower than rotten threshold value
Prompt information reminds administrator to replace rotten food；If being not below rotten threshold value, sentencing for freshness threshold can be carried out
It is disconnected.
If the grade of freshness of a certain fresh food is lower than freshness threshold but is above rotten threshold value, first is generated
Prompt information, and control electronic tag and show the first prompt information, to be shown to user associated with current grade of freshness
Price (such as price after discount) information.If being not below freshness threshold, electronic tag display life can control
The normal price of fresh food.
After user selects food, user can arrive supermarket check out counters checkout.It can be obtained in checkout by scanner
The bar code information in intelligent food packaging and the colouring information on freshness indicating label are taken, and then is calculated and the indicating label
On the corresponding price of color, complete clearing.
In the scheme that the embodiment of the present disclosure provides, it can be detected according to the real-time physical or chemical state of individual products
To true freshness, avoids the judgement being easy to appear when only being judged by time and shelf-life and be not allowed or practise fraud
Situation.
The effect of electronic tag is not only only that regular price is shown, is more focused on and carries out eye-catching information reminding, reduces quotient
Family's loss；Meanwhile it giving consumer and the unrestricted choice of different freshness-prices is selected to weigh.
In conjunction with the freshness state of the individual really detected, the temperature humidity etc. of showcase is adjusted in real time.
Cashier counter scanner, according to food bar code (provider network information) and intelligent label colouring information (freshness
State) price checkout is carried out, it realizes and fixes a price to the differentiation of single individual products price.
And the program can the human cost that surpasses of effectively save quotient, realize the intelligent supervision of fresh food, detection, protect
It deposits and information alert.
It should be noted that although being referred to several modules or list for acting the equipment executed in the above detailed description
Member, but this division is not enforceable.In fact, according to embodiment of the present disclosure, it is above-described two or more
Module or the feature and function of unit can embody in a module or unit.Conversely, an above-described mould
The feature and function of block or unit can be to be embodied by multiple modules or unit with further division.
In addition, although describing each step of method in the disclosure in the accompanying drawings with particular order, this does not really want
These steps must be executed in this particular order by asking or implying, or having to carry out step shown in whole could realize
Desired result.Additional or alternative, it is convenient to omit multiple steps are merged into a step and executed by certain steps, and/
Or a step is decomposed into execution of multiple steps etc..
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (15)
1. a kind of fresh food freshness monitoring method, including：
The freshness status information and classification for obtaining fresh food indicate information；
Classification belonging to the fresh food is determined based on classification instruction information；
Classification belonging to freshness status information and the fresh food based on the fresh food, determines the fresh food
The grade of freshness of product.
2. according to the method described in claim 1, further including：
Freshness is generated based on the grade of freshness and indicates information, and freshness instruction information includes with the freshness etc.
Associated first prompt information of grade and at least one of the second prompt information for prompting the fresh food rotten.
3. according to the method described in claim 2, further including：Freshness instruction information is sent to electronic showing device,
So that the electronic showing device shows the freshness instruction information.
4. according to the method described in claim 3, wherein, freshness instruction information being sent to electronic showing device, is wrapped
It includes：
Freshness instruction information is sent to electronic tag.
5. according to the method described in claim 2, wherein, the freshness status information includes characterize the fresh food new
The colouring information of freshness；
The classification instruction information includes the characteristic information of the fresh food.
6. according to the method described in claim 5, wherein, being determined belonging to the fresh food based on classification instruction information
Classification, including：
At least one of the color, shape and texture of the fresh food are extracted from the characteristic information of the fresh food；
At least one of color, shape and texture based on the fresh food determine classification described in the fresh food；
Or
Classification belonging to the fresh food is determined based on classification instruction information, including：
Classification described in the fresh food is determined based on the classification information in the packaging of the fresh food.
7. according to the method described in claim 5, wherein, freshness status information and the life based on the fresh food
Classification belonging to fresh food determines the grade of freshness of the fresh food, including：
Color parameter is obtained based on the colouring information；
Classification belonging to the color parameter and the fresh food is compared with food analysis database, with the determination life
The grade of freshness of fresh food；
The fresh food classification and grade of freshness there are many fresh food are wherein stored in the food analysis database.
8. the method according to any one of claim 2 to 7, wherein generate freshness based on the grade of freshness and refer to
Show information, including：
Judge the grade of freshness state；
It is lower than rotten threshold value in response to the grade of freshness of the fresh food, generates second prompt information；
It is higher than rotten threshold value in response to the grade of freshness of the fresh food and is lower than freshness threshold, generates described first and mention
Show information.
9. first prompt information is generated according to the method described in claim 8, wherein, including：
First prompt is generated according to the grade of freshness and cost coefficient information corresponding with the grade of freshness
Information；
Wherein, the corresponding cost coefficient letter of different grade of freshness of every kind of fresh food is stored in food analysis database
Breath.
10. method according to any one of claim 1 to 7, further includes：
Obtain the storage ambient information of the fresh food；
Based on the grade of freshness of the fresh food, the storage ambient information is controlled.
11. method according to any one of claim 1 to 7, further includes：
The bar code information of freshness status information and the fresh food based on the fresh food, determines described fresh
The pricing information of food.
12. a kind of fresh food freshness monitoring device, including：
Processor：
Memory is stored with the executable program instruction of the processor；
Wherein the processor is configured to executing method according to any one of claim 1 to 11.
13. a kind of fresh food freshness monitors system, including：
Freshness indicating label or sensor, are arranged in the packaging bag of fresh food；
Acquisition equipment, for capturing the freshness status information on the freshness indicating label or sensor, and for obtaining
The classification of fresh food is taken to indicate information；And
Fresh food freshness monitoring device as claimed in claim 12.
14. system according to claim 13, further includes：
Electronic tag, with the processor communication, the freshness generated for receiving the fresh food freshness monitoring device
Indicate information；
Intelligent display cabinet, for accommodating the fresh food；And
Environmental sensor is communicated with the fresh food freshness monitoring device, for detecting the storage ring of the fresh food
Border information.
15. a kind of readable storage medium storing program for executing, which is characterized in that when the instruction in the storage medium is held by the processor of electronic equipment
When row, so that electronic equipment is able to carry out the method as described in any one of claims 1 to 11.
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|---|---|---|---|
| CN201810644433.9A CN108872218A (en) | 2018-06-21 | 2018-06-21 | fresh food freshness monitoring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644433.9A CN108872218A (en) | 2018-06-21 | 2018-06-21 | fresh food freshness monitoring method and device |
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| Publication Number | Publication Date |
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| CN108872218A true CN108872218A (en) | 2018-11-23 |
Family
ID=64340715
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644433.9A Pending CN108872218A (en) | 2018-06-21 | 2018-06-21 | fresh food freshness monitoring method and device |
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| CN113033075B (en) * | 2021-02-26 | 2022-09-09 | 柳州融安金园食品有限公司 | Storage and preservation method and device for kumquat fruits |
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