CN108256607A - A kind of temperature induced color changing bar-code label and its reading method - Google Patents
A kind of temperature induced color changing bar-code label and its reading method Download PDFInfo
- Publication number
- CN108256607A CN108256607A CN201611236018.7A CN201611236018A CN108256607A CN 108256607 A CN108256607 A CN 108256607A CN 201611236018 A CN201611236018 A CN 201611236018A CN 108256607 A CN108256607 A CN 108256607A
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- Prior art keywords
- color changing
- temperature induced
- induced color
- bar
- code label
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06046—Constructional details
- G06K19/06056—Constructional details the marking comprising a further embedded marking, e.g. a 1D bar code with the black bars containing a smaller sized coding
-
- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A kind of temperature induced color changing bar-code label and its reading method, it is a kind of label for indicating vaccine product information and preserving state that the temperature, which becomes bar-code label, it includes the region of temperature induced color changing and the region comprising product information, and the region of the temperature induced color changing is made of VVM thermal labels.Temperature induced color changing bar-code label is read by using recognizing apparatus, a step is realized to read production information and preserve status information, accelerate the data input process of vaccine cold chain transportation and cold chain, the problem of improving typing accuracy, avoiding artificial fatiguability inefficiency under mass read mode.
Description
Technical field
The present invention relates to bar code reading field more particularly to a kind of temperature induced color changing bar-code labels and its reading method.
Background technology
Vaccine is an important means of the mankind to anti-disease, but vaccine needs to preserve at low temperature, once vaccine surpasses
Temperature gently then fails, heavy then do harm to huamn body.It is inoculated with the vaccine for storing cold chain transportations without 2 DEG C -8 DEG C or expired vaccine, note
Primary risk after penetrating is to be immunized, such as this kind of fatal infectious disease complex of rabies in vain, originally can be immunized to keep away by vaccine inoculation
Exempt from death, but be inoculated with problem vaccine cause it is immunologically effective, inoculator may infection morbidity it is dead.It is domestic before this once to occur to connect
Kind rabies vaccine for immunization leads to the event of inoculator's death in vain.Secondary risk may cause to pollute for vaccine because storage is improper
Or antigen denaturation, cause adverse reaction after injection.It is limited to monitoring technology in the past, can not judges high temperature exposure amount, it also just can not be true
Determine whether overtemperature vaccine can also be continuing with.
In order to cope with it is this lead to the situation of vaccine failure because cold chain link careless mistake occurs, had one kind can be with
The scheme of monitored over time vaccine temperature environment, that is, and vaccine bottle temperature monitoring (Vaccine Vial Monitor, hereinafter referred to as
VVM thermal labels).The shape of VVM thermal labels is similar with China's ancient money, round outside but spuare inside, 10 millimeters of diameter.Intermediate is rectangular to live
Property surface, include variable chemical composition, this chemical composition is combined with two big element of time and temperature, shows intermediate rectangular
The variation of surface color, this variation are slow, progressive, accumulate, it is contemplated that and irreversible.
And the present service condition of VVM thermal labels is in vaccine inoculation, judges vaccine in heat by manual identified label
Degree of exposure under environment, determines whether current vaccines can be injected, and when this method faces vaccine negligible amounts, workload is also
It is not heavy, but when the transhipment of bulk vaccine is stored, outbound storage is made an inventory, pass through artificial judgment not only inefficiency and easily
Generate erroneous judgement.Meanwhile in Input Process, the bar-code label with production information is in the different positions of vaccine bottle from VVM thermal labels
It puts, the matching typing of production information and vaccine activity grade can not be just completed by single pass.
Invention content
The purpose of the present invention, can not because effective means of identification is lacked primarily directed to existing vaccine cold chain link
The problem of whether identification vaccine fails because of temperature change, while existing VVM tag readable degrees method falls behind.
In order to solve the above-mentioned technical problem, the present invention uses following technical proposals:
A kind of temperature induced color changing bar-code label, including:Temperature induced color changing region, product information region;
It is characterized in that, the temperature induced color changing region is made of VVM thermal labels, reaction principle is the diacetylene being substituted
(Diacetylene) color change occurs after the solid-state polymerization of monomer, the product information region is bar code, includes production
Quotient, production time produce the product informations such as address, temperature induced color changing grade.
The temperature induced color changing bar-code label is two-dimensional bar code QR codes, and the temperature induced color changing region is located at the bar-code label
Center.
The temperature induced color changing region is located at around the bar-code label.
The temperature induced color changing region includes color change interval and contrast district.
The temperature induced color changing grade of the bar-code label is divided into four grades, is VVM2, VVM7, VVM14 and VVM30 respectively.
2,7,14,30 refer to reach the terminal required time under conditions of being exposed to 37 degrees Celsius.
A kind of reading method of temperature induced color changing bar-code label, includes the following steps:
S1:Scanning device scans temperature induced color changing bar-code label;
S2:Determine the bar code information region;
S3:It decodes image and obtains production information and temperature induced color changing grade;
S5:Determine the temperature induced color changing region where VVM thermal labels region;
S6:Identify VVM thermal label colors;
S7:It according to temperature induced color changing grade, determines whether current vaccines fail, and transmits information to host computer.
The bar code information further includes VVM thermal labels region location information.
In the S6 steps, the VVM thermal labels can be assisted in identifying currently used state by human eye.
The above technical solution of the present invention has the following advantages over the prior art:
It is combined by by the combination of traditional bar code and VVM thermal labels, realizing production information and preserving status information,
The data input process of vaccine cold chain transportation and cold chain is accelerated, typing accuracy is improved, by using bar code scan
Equipment realizes the scanning of label the typing of product information and safe condition, when solving mass typing, manual identified
Vaccine safety state inefficiency.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is a kind of label schematic diagram of one embodiment of temperature induced color changing bar-code label of one embodiment of the invention.
Fig. 2 is existing VVM thermal labels schematic diagram.
Fig. 3 is a kind of work of one embodiment of the reading method of temperature induced color changing bar-code label of one embodiment of the invention
Make flow chart.
Specific embodiment
As shown in Figure 1, be a kind of schematic diagram of one embodiment of temperature induced color changing bar-code label of the present invention, the temperature mutagens
Color bar-code label includes:Temperature induced color changing region, product information region, wherein, the temperature induced color changing region is by VVM thermal labels institute group
Color change, the product occurs after being the solid-state polymerization of diacetylene (Diacetylene) monomer being substituted into, reaction principle
Information area is bar code, includes the product informations such as product producer, production time, production address.
VVM is the developmental achievement of the World Health Organization and United Nations Children's Fund's long-term investment, for the first time should in 1996
For oral polio vaccine, and gradually it was applied to other vaccines in 2002.VVM has been conventionally applied to WHO at present
On the vaccine of UNCIEF buyings, the main users of VVM are become, and more and more national governments will across vaccine giant
It asks and VVM is used on the vaccine of its buying.
As shown in Fig. 2, the shape of VVM is similar with China's ancient money, round outside but spuare inside, 10 millimeters of diameter.It is intermediate rectangular to be
Active surface, includes variable chemical composition, and this chemical composition is combined with two big element of time and temperature, shows third side
The variation of shape surface color, it is this variation be it is slow, progressive, accumulation, it is contemplated that and it is irreversible, reaction principle is according to warp
The color change occurred after the solid-state polymerization of substituted diacetylene (Diacetylene) monomer, and according to Arrhenius
(Arrhenius) polymeric chemical reaction equation calculates.The circle of periphery is reference surface, and color is fixed.Active square
Color can gradually change to the deep dark (deeper than with reference to circle) of terminal from the shallow light tone (lighter than with reference to circle) of starting point.Work as activity
When square color is with reference to circle color, terminal just reaches.
As shown in Figure 1, in the present embodiment, the temperature induced color changing bar-code label is two-dimensional bar code QR codes, the temperature mutagens
Color region is located at the center of the bar-code label.Because QR codes have higher level of error correction, even if intermediate region is hindered
Gear still can identify, so its central area is nor affected on recognition as temperature induced color changing region.
In another embodiment, the temperature induced color changing region is located at around the bar-code label.At this time bar code in addition to
It may include the more two-dimensional bar code of information, relatively simple ground bar code can also be selected, as long as bar code and institute's temperature indicating is kept to cause
Color change interval is located at a visible planar and apart near.
The temperature induced color changing region includes color change interval and contrast district.
In one embodiment, the bar code region can directly be made of the off-color material of VVM thermal labels, and background colour is then
Color is compared, while saving space again in this way, more intuitively.
The temperature induced color changing grade of the bar-code label is divided into four grades, is VVM2, VVM7, VVM14 and VVM30 respectively.
2,7,14,30 refer to reach the terminal required time under conditions of being exposed to 37 degrees Celsius.Different grades is for different
It is required that VVM2 grades are to the more stringent vaccine of temperature requirement, just fail within two days more than 37 degree, VVM30 labels are then suitable for resistance to
Vaccine is preserved, is exposed to 37 needs, 30 talent's failure.
A kind of reading method of temperature induced color changing bar-code label, includes the following steps:
S1:Scanning device scans temperature induced color changing bar-code label;
S2:Determine the bar code information region;
S3:It decodes image and obtains production information and temperature induced color changing grade;
S5:Determine the temperature induced color changing region where VVM thermal labels region;
S6:Identify VVM thermal label colors;
S7:It according to temperature induced color changing grade, determines whether current vaccines fail, and transmits information to host computer.
The temperature induced color changing bar-code label is distinguished using barcode scanner, shoots entire label area.For collecting
Image Parallel Processing, decode bar code information using conventional algorithm all the way, while obtain under temperature induced color changing grade and present level
Comparison gray value, another way is according to the anchor point of bar code, inside determining central hot induction region, analysis temperature induced color changing center
Domain current color gray value compares this color gray value with the comparison color gray value set, if than comparison color
It is shallow, then it also can be used, and plus " usable " label in the data of output, if with comparison solid colour or than basis
Color depth, then it is unusable, plus discarded label in the data of output.In addition, in still workable vaccine data, it can also root
According to correction data, use priority is marked, gray value is higher i.e. closer to failure time limit, and vaccine use priority is higher, reminds
Operating personnel use or especially handle as early as possible.
The bar code information further includes VVM thermal labels region location information.In the present embodiment, by decoding bar code
Information knows that the temperature induced color changing region is located at the center of entire label, by can directly take intermediate point after positioning bar code.Another
In one embodiment, the temperature induced color changing region is located at the lower section of label, after positioning bar code, takes its lower edge certain area
Color gray value as the temperature induced color changing area grayscale value.
In the S6 steps, the VVM thermal labels can be assisted in identifying currently used state by human eye.In the present embodiment,
The VVM thermal labels include temperature induced color changing region and contrast district, can there is eye recognition.In another embodiment, in order to subtract
Few interference, eliminates contrast district, is only compared with bar code scan equipment.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (8)
1. a kind of temperature induced color changing bar-code label, including:Temperature induced color changing region, product information region;
It is characterized in that, the temperature induced color changing region is made of VVM thermal labels, reaction principle is the diacetylene being substituted
(Diacetylene) color change occurs after the solid-state polymerization of monomer, the product information region is bar code, includes production
Quotient, production time produce the product informations such as address, temperature induced color changing grade.
A kind of 2. temperature induced color changing bar-code label according to claim 1, which is characterized in that the temperature induced color changing bar-code label
For two-dimensional bar code QR codes, the temperature induced color changing region is located at the center of the bar-code label.
3. a kind of temperature induced color changing bar-code label according to claim 1, which is characterized in that the temperature induced color changing region is located at
Around the bar-code label.
A kind of 4. temperature induced color changing bar-code label according to Claims 2 or 3, which is characterized in that the temperature induced color changing region
Include color change interval and contrast district.
A kind of 5. temperature induced color changing bar-code label according to claim 4, which is characterized in that the warm mutagens of the bar-code label
Colour gradation is divided into four grades, is VVM2, VVM7, VVM14 and VVM30 respectively.2,7,14,30 refer to be exposed to 37 degrees Celsius
Under the conditions of reach the terminal required time.
6. a kind of reading method of temperature induced color changing bar-code label, includes the following steps:
S1:Scanning device scans temperature induced color changing bar-code label;
S2:Determine the bar code information region;
S3:It decodes image and obtains production information and temperature induced color changing grade;
S5:Determine the temperature induced color changing region where VVM thermal labels region;
S6:Identify VVM thermal label colors;
S7:It according to temperature induced color changing grade, determines whether current vaccines fail, and transmits information to host computer.
A kind of 7. reading method of temperature induced color changing bar-code label according to claim 6, which is characterized in that the bar code letter
Breath further includes VVM thermal labels region location information.
A kind of 8. reading method of temperature induced color changing bar-code label according to claim 7, which is characterized in that the S6 steps
In, the VVM thermal labels can be assisted in identifying currently used state by human eye.
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WO2021021938A1 (en) * | 2019-07-30 | 2021-02-04 | Temptime Corporation | A two dimensional barcode provided with dynamic environmental indicator provided within a gap |
WO2021068697A1 (en) * | 2019-10-09 | 2021-04-15 | 陈浩能 | Coding indication label, precise recognition method, and intelligent processing system |
US11182579B2 (en) | 2015-03-30 | 2021-11-23 | Temptime Corporation | Two dimensional barcode with dynamic environmental data system, method, and apparatus |
CN113686071A (en) * | 2021-07-05 | 2021-11-23 | 李苗 | Cold chain interruption color development early warning type vaccine refrigeration device |
US11241902B1 (en) | 2020-09-17 | 2022-02-08 | Temptime Corporation | Environmental history monitor with positional displacement and security features |
CN114511054A (en) * | 2022-01-07 | 2022-05-17 | 西安理工大学 | Multi-dimensional information label applicable to readable temperature/time/illumination of vaccine products |
US11455483B2 (en) | 2015-03-30 | 2022-09-27 | Temptime Corporation | Two dimensional barcode with dynamic environmental data system, method, and apparatus |
US11615280B2 (en) | 2020-08-31 | 2023-03-28 | Temptime Corporation | Barcodes with security material and readers for same |
US11734539B2 (en) | 2021-04-05 | 2023-08-22 | Temptime Corporation | Dynamic optical property windows in indicia with sensors |
US11951761B2 (en) | 2020-09-17 | 2024-04-09 | Temptime Corporation | Environmental history monitor with security features |
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Cited By (14)
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US11182579B2 (en) | 2015-03-30 | 2021-11-23 | Temptime Corporation | Two dimensional barcode with dynamic environmental data system, method, and apparatus |
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GB2600340B (en) * | 2019-07-30 | 2024-02-21 | Temptime Corp | A two dimensional barcode provided with dynamic environmental indicator provided within a gap |
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US11941468B2 (en) | 2020-08-31 | 2024-03-26 | Temptime Corporation | Barcodes with security material and readers for same |
US11615280B2 (en) | 2020-08-31 | 2023-03-28 | Temptime Corporation | Barcodes with security material and readers for same |
US11241902B1 (en) | 2020-09-17 | 2022-02-08 | Temptime Corporation | Environmental history monitor with positional displacement and security features |
US11951761B2 (en) | 2020-09-17 | 2024-04-09 | Temptime Corporation | Environmental history monitor with security features |
US11738587B2 (en) | 2020-09-17 | 2023-08-29 | Temptime Corporation | Environmental history monitor with positional displacement and security features |
US11734539B2 (en) | 2021-04-05 | 2023-08-22 | Temptime Corporation | Dynamic optical property windows in indicia with sensors |
CN113686071A (en) * | 2021-07-05 | 2021-11-23 | 李苗 | Cold chain interruption color development early warning type vaccine refrigeration device |
CN114511054A (en) * | 2022-01-07 | 2022-05-17 | 西安理工大学 | Multi-dimensional information label applicable to readable temperature/time/illumination of vaccine products |
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Application publication date: 20180706 |