CN114091638B - Color fabric bar code, preparation method, display method and anti-counterfeiting verification method - Google Patents
Color fabric bar code, preparation method, display method and anti-counterfeiting verification method Download PDFInfo
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- CN114091638B CN114091638B CN202111399486.7A CN202111399486A CN114091638B CN 114091638 B CN114091638 B CN 114091638B CN 202111399486 A CN202111399486 A CN 202111399486A CN 114091638 B CN114091638 B CN 114091638B
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- 239000004744 fabric Substances 0.000 title claims abstract description 156
- 238000000034 method Methods 0.000 title claims abstract description 67
- 238000012795 verification Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 174
- 238000010438 heat treatment Methods 0.000 claims abstract description 91
- 230000008859 change Effects 0.000 claims abstract description 52
- 238000013461 design Methods 0.000 claims abstract description 7
- 239000004753 textile Substances 0.000 claims description 37
- 238000009941 weaving Methods 0.000 claims description 22
- 238000009940 knitting Methods 0.000 claims description 15
- 108091026890 Coding region Proteins 0.000 claims description 7
- 239000003086 colorant Substances 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 6
- 238000002074 melt spinning Methods 0.000 claims description 5
- 238000005491 wire drawing Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 229920002334 Spandex Polymers 0.000 claims description 4
- 238000009956 embroidering Methods 0.000 claims description 4
- 239000004759 spandex Substances 0.000 claims description 4
- 238000002166 wet spinning Methods 0.000 claims description 4
- 229920004933 Terylene® Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 2
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- 239000004594 Masterbatch (MB) Substances 0.000 description 3
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Classifications
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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
- G06K19/06046—Constructional details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
-
- 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
- G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
- G06K19/027—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine the material being suitable for use as a textile, e.g. woven-based RFID-like labels designed for attachment to laundry items
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Woven Fabrics (AREA)
Abstract
The invention belongs to the technical field of bar codes, and discloses a color fabric bar code, a preparation method, a display method and an anti-counterfeiting verification method, wherein a two-dimensional code layer is formed by a plurality of pattern square grids of different two-dimensional codes; and the micro heating sheet is arranged under the pattern square without the heating wire or the heating wire is woven in the fabric. According to the invention, the thermochromic fibers are woven into the one-dimensional bar code and the two-dimensional bar code, so that the controllable dynamic change display of the fabric bar code is realized, and the wear resistance, skin friendliness, data storage quantity, anti-counterfeiting performance and aesthetic feeling of the fabric bar code are improved. The fabric bar code design, preparation and display method provided by the invention has the advantages of simple structure, low cost and high identification, can be used for mass industrialized production, can display and generate a plurality of bar code information, can realize controllable dynamic bar code information display in a heating mode, and has wide application fields.
Description
Technical Field
The invention belongs to the technical field of bar codes, and particularly relates to a color fabric bar code, a preparation method, a display method and an anti-counterfeiting verification method.
Background
The bar code is an identity code of a product, and currently, one-dimensional bar codes and two-dimensional bar codes (commonly used as two-dimensional codes) are circulated in the market, wherein the one-dimensional bar codes are commonly used in the fields of product labels such as book management, logistics export, fixed assets, medicines and foods and the like. Two-dimensional codes have the characteristics of storing information, keeping information secret, and the like, and therefore are widely applied to various industries.
In the existing two-dimensional code using process, besides the electronic two-dimensional code used by the mobile terminal, more electronic two-dimensional codes are printed on paper materials or other materials in patterns.
In Chinese patent CN 106611205A, a multi-layer overprinting gradient-color two-dimensional code anti-counterfeiting label is disclosed, but in order to improve the multiple anti-counterfeiting precision and anti-counterfeiting performance of the two-dimensional code, the copying and embezzling difficulty of the two-dimensional code is increased, the manufacturing process is complex and complicated, the washing resistance is not realized, and the multiple colors of the two-dimensional code cannot be switched at will. Chinese patent CN 106710438A prepares a thermochromic corresponding code anti-counterfeiting mark, realizes tracing and anti-counterfeiting inquiry by scanning a two-dimensional code, and can also identify the authenticity of a product by heating to verify whether thermochromic ink changes color or not, but the preparation and manufacturing process is complex, and the composition of the two-dimensional code is not changed by heating to change color. Two states of two-dimensional code stealth and display are realized in Chinese patent CN 111598200A and Chinese patent CN 105400294A, and dynamic changes of the two-dimensional code are not involved. In chinese patents CN 112580761A and CN 212979446U, CN 109295586B, two-dimensional codes are combined with badge, groove and trademark in a weaving manner to realize information display of the two-dimensional codes, the generated two-dimensional code information is fixed two-dimensional code information or double-layer display two-dimensional code information, and the information amount contained in a single fabric two-dimensional code is limited to a certain extent, so that the information display is simpler.
Through the above analysis, the problems and defects existing in the prior art are as follows:
(1) The existing method for printing the two-dimensional code is complex and cumbersome in manufacturing process, not resistant to water washing, incapable of performing any switching of various colors of the two-dimensional code, and incapable of realizing dynamic change of the two-dimensional code;
(2) The existing two-dimension code weaving mode enables the information quantity contained in a single fabric two-dimension code to be limited to a certain extent, and information display is simple.
The difficulty of solving the problems and the defects is as follows:
(1) In order to have anti-counterfeiting and information functions, the prior art is more prone to complicating the preparation process and not easy to re-etch;
(2) The existing bar code is generally printed, the situation that the bar code exists in the form of a fabric bar code is rare, and the printing technology faces the problems of water washing, breakage and the like;
(3) The reading of existing bar code information takes color information into account less and more prefers that one bar code information has and corresponds to only one information content.
The meaning of solving the problems and the defects is as follows:
(1) The preparation process of the fabric bar code is simplified, color information and black-and-white bar code information are combined, the information content is increased, and the dynamic change of the bar code is realized;
(2) The bar code is displayed in a fabric form, so that the bar code has the advantages of skin-adhering and ventilation, and the fabric is attractive, washable and intelligent informatization.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a color fabric bar code, a preparation method, a display method and an anti-counterfeiting verification method.
The invention is realized in that a color fabric bar code is provided with:
A two-dimensional code layer;
The two-dimensional code layer consists of a plurality of pattern square checks of different two-dimensional codes; the pattern square is formed by weaving textile fibers and functional thermochromic fibers; or woven by textile fibers, heating wires and functional thermochromic fibers; or woven from textile fibers and functional thermochromic yarns;
The textile fibers include, but are not limited to, one or more of cotton, polyester, spandex, or other fibers;
The functional thermochromic fiber consists of one or more thermochromic fibers; the thermochromic fiber can be a section of thermochromic fiber with one temperature change node or a plurality of sections of thermochromic fiber with a plurality of temperature change nodes;
The heating wire is a heating metal wire or silver-plated yarn;
The functional thermochromic yarn is formed by twisting the functional thermochromic fiber and the heating wire; the heating wire is used for controlling the heating temperature of the functional thermochromic yarn.
Further, if the textile fiber and the functional thermochromic fiber are adopted to be woven, a micro heating plate is arranged under each pattern square; the heating plate is used for controlling the temperature of the square corresponding to the pattern. If the fabric is formed by mixing the textile fibers, the heating wires and the functional thermochromic fibers, each pattern square is formed by controlling the temperature of the corresponding pattern square by the heating wires which are woven in; if the fabric is woven by the textile fibers and the functional thermochromic yarns, the heating wires in the functional thermochromic yarns are used for controlling the temperature of the corresponding pattern square.
Further, the number of pattern squares is n×n, where n is an integer greater than 9; the pattern square can be square, triangle, trapezoid or other patterns;
The pattern square is provided with: a positioning area and a data coding area; the data coding area is used for performing thermochromic fiber color design control.
Another object of the present invention is to provide a method for preparing a color fabric bar code of the color fabric bar code, the method comprising:
preparing thermochromic fibers by a heat softening wire drawing method, a wet spinning method, a melt spinning method or other methods, and forming functional thermochromic fibers by using one or more prepared thermochromic fibers;
Step two, weaving the functional thermochromic fiber and common textile fiber, or weaving the functional thermochromic fiber, common textile fiber and heating wire in a mixed mode; or the functional thermochromic yarn is woven with common textile fibers to obtain pattern square;
And thirdly, splicing n x n pattern square grids to obtain the color fabric bar code (a micro heating plate is arranged under the pattern square grid without the heating wire).
Further, in the second step, the knitting method may be a weaving, knitting, embroidering or other knitting method.
Another object of the present invention is to provide a color fabric bar code display method of the color fabric bar code, the color fabric bar code display method comprising:
The functional thermochromic fibers of the pattern square are driven to change color by respectively controlling the micro heating plates arranged under the pattern square without the heating wires or controlling the temperature of the heating wires woven in the fabric, so that dynamic display of various two-dimensional code information is carried out.
Another object of the present invention is to provide an anti-counterfeit verification method based on the color fabric bar code, the anti-counterfeit verification method comprising:
And performing anti-counterfeiting verification on the cloth label by controlling the color change of the positioning area and the data coding area of the fabric two-dimensional code.
Further, the anti-counterfeiting verification method further comprises the following steps:
And storing the temperature change information of the positioning area in the bar code information of the colored fabric, and carrying out information interaction anti-counterfeiting verification through code scanning verification.
Further, the anti-counterfeiting verification method further includes:
And the data coding region is subjected to anti-counterfeiting verification through displaying invisible characters, patterns or other contents by controlling the thermochromic fiber colors of each pattern square of the data coding region.
The invention further aims at providing a thermochromic fabric one-dimensional bar code prepared by the method for preparing the color fabric bar code.
By combining all the technical schemes, the invention has the advantages and positive effects that:
According to the invention, the thermochromic fibers are woven into the one-dimensional bar code and the two-dimensional bar code, so that the controllable dynamic change display of the bar code is realized, and the wear resistance, skin friendliness, data storage quantity, anti-counterfeiting performance and aesthetic feeling of the bar code are improved.
The invention combines the color information and the bar code information to realize that one physical bar code contains a plurality of bar code information, thereby enhancing visual aesthetic feeling and improving information accommodation.
Compared with the traditional printing method, the invention has the advantages of more wear resistance, water resistance, detergent resistance, skin-friendly ventilation, effective reduction of the damage rate of bar codes, expansion of application scenes, more diversified display, larger information content and improvement of anti-counterfeiting performance.
The fabric bar code design, preparation and display method provided by the invention has the advantages of simple structure, low cost and high identification, can be used for mass industrialized production, can display and generate a plurality of bar code information, can realize controllable dynamic bar code information display in a heating mode, and has wide application fields.
Drawings
Fig. 1 is a flowchart of a method for preparing a bar code for a colored fabric according to an embodiment of the present invention.
Fig. 2 is a two-dimensional code knitting diagram of a color fabric provided by an embodiment of the invention.
FIG. 3 is a diagram showing a color fabric two-dimensional code heating color-changing display mode provided by the embodiment of the invention;
In the figure: 1. and 2, a color fabric two-dimensional code layer and a micro heating sheet layer.
Fig. 4 is a schematic diagram of example 2 provided in an embodiment of the present invention.
Fig. 5 is a schematic diagram of example 3 provided in an embodiment of the present invention.
Fig. 6 is a schematic diagram of example 4 provided in an embodiment of the present invention.
Fig. 7 is a schematic diagram of example 5 provided in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In view of the problems of the prior art, the present invention provides a color fabric bar code, and the present invention is described in detail below with reference to the accompanying drawings.
The color fabric bar code provided by the embodiment of the invention is provided with:
A two-dimensional code layer; the two-dimensional code layer consists of a plurality of pattern square checks of different two-dimensional codes; a micro heating plate or a heating wire woven in the fabric is arranged under each pattern square without the heating wire; the heating sheet or the heating wire is used for controlling the temperature of the square lattice corresponding to the pattern.
The pattern square lattice provided by the embodiment of the invention is formed by weaving textile fibers and functional thermochromic fibers; or woven by textile fibers, heating wires and functional thermochromic fibers; or woven from textile fibers and functional thermochromic yarns;
The textile fiber provided by the embodiment of the invention comprises one or more than two of cotton threads, terylene, spandex or other fibers; the functional thermochromic fiber provided by the embodiment of the invention consists of one or more thermochromic fibers; the thermochromic fiber provided by the embodiment of the invention can be a section of thermochromic fiber with one temperature change node or a plurality of sections of thermochromic fiber with a plurality of temperature change nodes, and is preferably a section of thermochromic fiber with one temperature change node; the heating wire provided by the embodiment of the invention is a heating metal wire or silver-plated yarn; the functional thermochromic yarn provided by the embodiment of the invention is formed by twisting the functional thermochromic fiber and the heating wire; the heating wire provided by the embodiment of the invention is used for controlling the heating temperature of the functional thermochromic yarn.
The number of the pattern square checks provided by the embodiment of the invention is n x n, wherein n is an integer greater than 9; the pattern square provided by the embodiment of the invention can be square, triangle, trapezoid or other patterns;
The pattern square lattice provided by the embodiment of the invention is provided with: a positioning area and a data coding area; the data coding region provided by the embodiment of the invention is used for performing thermochromic fiber color design control.
As shown in fig. 1, the method for preparing a color fabric bar code provided by the embodiment of the invention comprises the following steps:
S101, preparing thermochromic fibers by using a heat softening wire drawing method, a wet spinning method, a melt spinning method or other methods, and forming functional thermochromic fibers by using one or more prepared thermochromic fibers;
S102, weaving the functional thermochromic fiber with common textile fiber or mixing the functional thermochromic fiber, the common textile fiber and a heating wire; or the functional thermochromic yarn is woven with common textile fibers to obtain pattern square;
And S103, splicing n x n pattern square grids to obtain the color fabric bar code (a micro heating plate is arranged under the pattern square grid without the heating wire).
The knitting method provided by the embodiment of the invention can be a weaving, knitting, embroidering or other knitting methods.
The color fabric bar code color development method provided by the embodiment of the invention comprises the following steps:
the functional thermochromic fibers of the pattern square grids are driven to change color by respectively controlling the micro heating plates arranged under each pattern square grid without the heating wire or controlling the temperature of the heating wires woven in the fabric, so that dynamic display of various two-dimensional code information is carried out.
The anti-counterfeiting verification method provided by the embodiment of the invention comprises the following steps:
And performing anti-counterfeiting verification on the cloth label by controlling the color change of the positioning area and the data coding area of the fabric two-dimensional code.
The anti-counterfeiting verification method provided by the embodiment of the invention further comprises the following steps:
And storing the temperature change information of the positioning area in the bar code information of the colored fabric, and carrying out information interaction anti-counterfeiting verification through code scanning verification.
The anti-counterfeiting verification method provided by the embodiment of the invention further comprises the following steps:
And the data coding region is subjected to anti-counterfeiting verification through displaying invisible characters, patterns or other contents by controlling the thermochromic fiber colors of each pattern square of the data coding region.
The technical scheme of the invention is further described below with reference to specific embodiments.
Example 1:
The color fabric two-dimensional code consists of a plurality of different two-dimensional code pattern square grids, and a whole two-dimensional code textile organization chart is formed; the pattern square is formed by weaving common textile fibers and functional thermochromic fibers; or woven by textile fibers, heating wires and functional thermochromic fibers; or woven from textile fibers and functional thermochromic yarns.
In some embodiments, a micro heating plate is arranged under the pattern square grid without heating wires in the two-dimensional code of the fabric or the heating wires are woven in the fabric, and the different pattern square grids respectively and independently control the temperature to drive the functional thermochromic fiber to change the color.
In some embodiments, the fabric two-dimensional code has n×n pattern squares (n is an integer greater than 9), and may include at least two-dimensional codes with 2n different information, for example, 9*9, 15×15, 23×23, etc.
In some specific embodiments, the method for knitting common textile fibers and functional thermochromic fibers in the fabric two-dimensional code pattern square includes, but is not limited to, weaving, knitting, embroidering and the like, specifically, the weaving is to form a woven fabric by taking the thermochromic fibers as warp threads, weft threads (or bottom threads and surface threads) according to various fabric structures, different color block square grids are formed by adopting the thermochromic fibers with different color changing effects through the weaving, the final jigsaw is formed into a color two-dimensional code pattern, the knitting is to sequentially bend one or more thermochromic fibers fed from weft into a series of coils, the new coil generated next time and the old coil generated this time are mutually sleeved, then a knitting structure is formed by combining a looping structure and a looping structure, the thermochromic fibers with different color changing effects form different color blocks by adopting the knitting method, the embroidery is to form a color two-dimensional code pattern by using embroidery needles to guide the thermochromic fibers with different color changing effects, and the embroidery square grids form a color two-dimensional code jigsaw pattern by carrying needles on the fabric;
In some embodiments, the common textile fibers in the two-dimensional code pattern square of the fabric include, but are not limited to, cotton, terylene, spandex and other fibers;
In some embodiments, the functional thermochromic fibers in the two-dimensional code pattern square of the fabric are composed of one or more thermochromic fibers, and the preparation method comprises the following steps of, but is not limited to: the functional thermochromic fiber can be a section of thermochromic fiber with one temperature change node or a plurality of sections of thermochromic fiber with a plurality of temperature change nodes, preferably one temperature change node thermochromic fiber is selected. Specifically, a heat softening wire drawing method is adopted, a thermochromic composite master batch is firstly prepared, then the thermochromic composite master batch is prepared into a thermochromic prefabricated rod, finally thermochromic fibers are prepared through a heat softening wire drawing method, if a wet spinning method is adopted, namely, a thermochromic composite material solution is firstly prepared, the composite material solution is placed in an extrusion container, after extrusion, the thermochromic fibers are obtained through condensation bath and full drying, if a melt spinning method is adopted, namely, the thermochromic composite master batch is prepared, then the thermochromic fibers are placed in a melt spinning machine, and the spinning speed is adjusted through a spinning component, so that the thermochromic fibers can be obtained.
In some specific embodiments, the fabric two-dimensional code can independently control the temperature of each independent pattern square lattice to realize controllable dynamic display of two or more kinds of two-dimensional code information.
In some embodiments, the pattern square lattice in the fabric two-dimensional code comprises a positioning area and a data coding area, and the anti-counterfeiting function of the fabric label is realized by controllably changing the color of the positioning area and the data coding area of the fabric two-dimensional code. And the temperature change information of the positioning area is stored in the two-dimensional code information of the fabric, and the information interaction anti-counterfeiting verification is realized through code scanning verification. The data coding area performs thermochromic fiber color design control, and the anti-counterfeiting is verified through the display of invisible characters, patterns and the like. The color of the thermochromic fiber change is selected from colors with smaller calculated amount, more accurate calculation and identification and more distinct colors, such as white and color, by using a machine algorithm.
Compared with the traditional printing method, the fabric two-dimension code generation and display method provided by the invention is more wear-resistant, water-resistant, detergent-resistant, skin-friendly and breathable, effectively reduces the damage rate of the two-dimension code, expands the application scene, and has more diversified display, larger information content and improved anti-counterfeiting performance compared with the existing textile method. In a word, the fabric two-dimension code generating and displaying method provided by the invention has the advantages of simple structure, low cost and high identification, can be used for mass industrialized production, can display and generate a plurality of two-dimension code information, can realize controllable dynamic two-dimension code information display in a heating mode, and has wide application fields.
Example 2:
1) Selecting a base fabric: the color of the base fabric of the fabric two-dimensional code is not unique, and in the specific embodiment 2, the color of the base fabric is selected to be white;
2) Determination of functional thermochromic fibers: the fabric two-dimensional code can select any of several thermochromic fibers with any section change, in the specific embodiment 2, three single-section thermochromic fibers with different color changing temperatures (all of which are functional thermochromic fibers without heating wires) are selected, and the three color changing temperatures are sequentially increased, and when the temperature is increased to 40 ℃, the white thermochromic fibers become red thermochromic fibers; when the temperature is raised to 45 ℃, the other white thermochromic fiber becomes blue thermochromic fiber; when the temperature is increased to 50 ℃, the black thermochromic fiber turns into green thermochromic fiber;
3) Specific location determination of thermochromic fibers in the fabric pattern: the positioning area of the two-dimensional code of the fabric is selected from original black thermochromic fibers with the temperature change temperature of 50 ℃, and the encoding area of the two-dimensional code of the fabric is selected from the three thermochromic fibers respectively;
4) Color change mode of fabric two-dimension code: in this embodiment 2, a heat source (micro heating plate) is selected to heat and discolor the whole fabric two-dimensional code.
And the four pieces of fabric two-dimensional code information are generated and displayed in total before and after heating, and the back of each two-dimensional code corresponds to the information of pictures, websites, audios and films respectively. The jump among the information chains can be realized through the temperature regulation and control of the two-dimension code of the whole fabric.
Example 3:
1) Selecting a base fabric: the color of the base fabric of the fabric two-dimensional code is not unique, and in the specific embodiment 3, the color of the base fabric is selected to be white;
2) Determination of functional thermochromic fibers: the fabric two-dimensional code can be any of several thermochromic fibers with any section change, in this specific embodiment 3, a single-section thermochromic fiber (functional thermochromic fiber without heating wires) with a color change temperature of 31 ℃ is selected, and when the temperature rises to 31 ℃, the black thermochromic fiber becomes a green thermochromic fiber.
3) Specific location determination of thermochromic fibers in the fabric pattern: the black thermochromic fiber is selected as the positioning area of the two-dimensional code of the fabric, and the black thermochromic fiber is also selected as the encoding area of the two-dimensional code of the fabric.
4) Color change mode of fabric two-dimension code: the color-changing heating mode of the fabric two-dimension code can realize global or local heating color change, and in the embodiment 3, a heat source (a micro heating plate) is selected to heat and change the color of the whole fabric two-dimension code.
The thermochromic temperature information of the positioning area is loaded on the coding information of the fabric two-dimensional code, and then the mobile terminal scanning code identification is carried out to obtain the hidden anti-counterfeiting information of the fabric two-dimensional code, so that man-machine information interaction is realized.
Example 4:
1) Selecting a base fabric: the color of the base fabric of the fabric two-dimensional code is not unique, and in the specific embodiment 4, the color of the base fabric is selected to be white;
2) Determination of functional thermochromic fibers: in this embodiment 4, two kinds of single-section thermochromic fibers (both of which are functional thermochromic fibers without heating wires) with different thermochromic temperatures are selected, one is that when the temperature is raised to 40 ℃, the black thermochromic fiber becomes a light green thermochromic fiber, and the other is that when the temperature is raised to 50 ℃, the white thermochromic fiber becomes an orange thermochromic fiber.
3) Specific location determination of thermochromic fibers in the fabric pattern: the positioning area of the two-dimensional code of the fabric is selected from original black thermochromic fibers with the temperature change of 40 ℃, and the encoding area of the two-dimensional code of the fabric is selected from the two thermochromic fibers.
4) Color change mode of fabric two-dimension code: the color-changing heating mode of the fabric two-dimension code can realize global or local heating color change, and in the embodiment 4, a heat source (a micro heating plate) is selected to heat and change the color of the whole fabric two-dimension code.
Through the design of typesetting the fabric two-dimensional code blocks composed of thermochromic fibers with different temperature changes, when the temperature rises to 50 ℃, an orange digital number 2 on a light green background is generated and displayed in a coding area of the fabric two-dimensional code. The hidden digital information 2 is stored in the fabric two-dimensional code information, and anti-counterfeiting verification is achieved through man-machine information interaction.
Example 5:
1) Selecting a base fabric: the color of the base fabric of the fabric two-dimensional code is not unique, and in the specific embodiment 5, the color of the base fabric is selected to be white;
2) Determination of functional thermochromic fibers: in this embodiment 5, three single-section thermochromic fibers (all of which are functional thermochromic fibers without heating wires) with different color changing temperatures are selected, and the three color changing temperatures are sequentially increased, and when the temperature is increased to 40 ℃, the white thermochromic fibers become red thermochromic fibers; when the temperature is raised to 45 ℃, the other white thermochromic fiber becomes blue thermochromic fiber; when the temperature is raised to 50 ℃, the black thermochromic fiber becomes a green thermochromic fiber.
3) Specific location determination of thermochromic fibers in the fabric pattern: the positioning area of the two-dimensional code of the fabric is selected from the original black thermochromic fibers with the temperature change temperature of 50 ℃, and the encoding area of the two-dimensional code of the fabric is selected from the three thermochromic fibers respectively.
4) Color change mode of fabric two-dimension code: the color-changing heating mode of the fabric two-dimension code can realize global or local heating color change, and in the embodiment 5, a heat source (a micro heating plate) is selected to heat and change the color of the whole fabric two-dimension code.
The total of four types of fabric two-dimensional code information, named a, b, c, d, are generated before and after the heating. Each two-dimensional code stores corresponding information, and simultaneously, the set anti-counterfeiting verification information is additionally stored, and the four two-dimensional code information is connected in sequence according to the two-dimensional codes a, b, c, d generated in turn by increasing the color-changing temperature to generate and display dynamic anti-counterfeiting information, such as the name of the anti-counterfeiting brand, which is generated and displayed in the sequence, so that dynamic linkage anti-counterfeiting verification is realized.
Example 6:
1) Selecting a base fabric: the color of the base fabric of the fabric two-dimensional code is not unique, and in the specific embodiment 6, the color of the base fabric is selected to be white;
2) Determination of functional thermochromic fibers: the fabric two-dimensional code can be any of several thermochromic fibers with any section change, in the specific embodiment 6, a three-section thermochromic fiber (a functional thermochromic fiber without a heating wire) is selected, and when the temperature is raised to 31 ℃, the purple thermochromic fiber is changed into a blue thermochromic fiber; when the temperature is raised to 45 ℃, the blue thermochromic fiber becomes a red thermochromic fiber.
3) Weaving of fabric two-dimensional codes: the fabric two-dimensional code is formed by weaving the three-section functional thermal-induced fiber and common textile fiber.
4) Color change mode of fabric two-dimension code: in this embodiment 6, micro heating plates are used for heating, and the temperature of each pattern square of the two-dimensional code is independently regulated and controlled to realize global or local heating and color change of the whole two-dimensional code of the fabric.
Example 7:
1) Selecting a base fabric: the color of the base fabric of the fabric two-dimensional code is not unique, and in the specific embodiment 7, the color of the base fabric is selected to be white;
2) Determination of functional thermochromic fibers: the fabric two-dimensional code can be any of several thermochromic fibers with any section change, in this specific embodiment 7, a single-section thermochromic fiber is selected, and when the temperature is raised to 31 ℃, the blue thermochromic fiber becomes a white thermochromic fiber.
3) Weaving of fabric two-dimensional codes: the fabric two-dimensional code is formed by mixed knitting of the single-section functional thermal-induced fiber and common textile fiber and heating wires.
4) Color change mode of fabric two-dimension code: in this embodiment 7, heating wires are selected to heat, and the temperature of each pattern square of the two-dimensional code is independently regulated and controlled to realize global or local heating and color change of the whole two-dimensional code of the fabric.
Example 8:
1) Selecting a base fabric: the color of the base fabric of the fabric two-dimensional code is not unique, and in the specific embodiment 8, the color of the base fabric is selected to be white;
2) Determination of functional thermochromic yarn: the fabric two-dimensional code can be any of several thermochromic yarns with any section change, in the specific embodiment 8, a three-section thermochromic yarn is selected, and when the temperature is raised to 31 ℃, the purple thermochromic yarn is changed into a blue thermochromic yarn; when the temperature was raised to 45 ℃, the blue thermochromic yarn changed to a red thermochromic yarn.
3) Weaving of fabric two-dimensional codes: the fabric two-dimensional code is formed by weaving the three-section functional thermochromic yarns and common textile fibers.
4) Color change mode of fabric two-dimension code: in this embodiment 8, heating wires in thermochromic yarns are used for heating, and the temperature of the two-dimensional code pattern square is independently regulated and controlled to realize global or local heating and color change of the whole two-dimensional code of the fabric.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present invention will be apparent to those skilled in the art within the scope of the present invention.
Claims (7)
1. A colored fabric barcode, characterized in that the colored fabric barcode is provided with:
A two-dimensional code layer;
the two-dimensional code layer consists of a plurality of pattern square checks of different two-dimensional codes;
The pattern square is formed by weaving textile fibers and functional thermochromic fibers; or woven by textile fibers, heating wires and functional thermochromic fibers; or woven from textile fibers and functional thermochromic yarns;
The textile fiber comprises one or more than two of cotton thread, terylene and spandex;
The functional thermochromic fiber consists of one or more thermochromic fibers; the thermochromic fiber is a section of thermochromic fiber with one temperature change node or a plurality of sections of thermochromic fiber with a plurality of temperature change nodes;
The heating wire is a heating metal wire or silver-plated yarn;
The functional thermochromic yarn is formed by twisting the functional thermochromic fiber and the heating wire; the heating wire is used for controlling the heating temperature of the functional thermochromic yarn;
If the textile fiber and the functional thermochromic fiber are adopted to be woven, a micro heating plate is arranged under each pattern square; the heating plate is used for controlling the temperature of the square corresponding to the pattern; if the fabric is formed by mixing the textile fibers, the heating wires and the functional thermochromic fibers, each pattern square is formed by controlling the temperature of the corresponding pattern square by the heating wires which are woven in; if the fabric is woven by the textile fibers and the functional thermochromic yarns, controlling the temperature of each pattern square by a heating wire in the functional thermochromic yarns;
The number of the pattern square checks is n x n, wherein n is an integer greater than 9; the pattern square is square, triangular or trapezoidal;
The pattern square is provided with: a positioning area and a data coding area; the data coding area is used for performing thermochromic fiber color design control.
2. A method of preparing a colored fabric barcode according to claim 1, wherein the method of preparing a colored fabric barcode comprises:
Preparing thermochromic fibers by using a heat softening wire drawing method, a wet spinning method or a melt spinning method, and forming functional thermochromic fibers by using one or more prepared thermochromic fibers;
Step two, weaving the functional thermochromic fiber and common textile fiber, or weaving the functional thermochromic fiber, common textile fiber and heating wire in a mixed mode; or the functional thermochromic yarn is woven with common textile fibers to obtain pattern square;
And thirdly, carrying out jigsaw on n x n pattern square grids to obtain the color fabric bar code, wherein a micro heating plate is arranged under the pattern square grid without the heating wire.
3. The method for preparing a bar code for colored fabrics according to claim 2, wherein in the second step, the knitting method is weaving, knitting or embroidering.
4. A method of color fabric barcode display of the color fabric barcode of claim 1, wherein the color fabric barcode color development method comprises:
The functional thermochromic fibers of the pattern square are driven to change color by respectively controlling the micro heating plates arranged under the pattern square without the heating wires or controlling the temperature of the heating wires woven in the fabric, so that dynamic display of various two-dimensional code information is carried out.
5. A method of anti-counterfeit authentication based on the bar code of colored fabric of claim 1, wherein said method of anti-counterfeit authentication comprises:
And performing anti-counterfeiting verification on the cloth label by controlling the color change of the positioning area and the data coding area of the fabric two-dimensional code.
6. The anti-counterfeit verification method of a color fabric bar code according to claim 5, wherein said anti-counterfeit verification method further comprises:
And storing the temperature change information of the positioning area in the bar code information of the colored fabric, and carrying out information interaction anti-counterfeiting verification through code scanning verification.
7. The anti-counterfeit authentication method of a color fabric bar code according to claim 5, wherein said anti-counterfeit authentication method further comprises:
And controlling the thermochromic fiber colors of each pattern square of the data coding region to enable the data coding region to perform anti-counterfeiting verification through the display of invisible characters or patterns.
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| CN103295043A (en) * | 2013-04-18 | 2013-09-11 | 周莉 | Barcode with changeable information and manufacturing method thereof |
| CN208922301U (en) * | 2018-12-14 | 2019-05-31 | 成都纺织高等专科学校 | A kind of stable type weaving two dimensional code mark |
| CN110205705A (en) * | 2019-05-24 | 2019-09-06 | 华中科技大学 | A kind of thermochromism fiber, its preparation and application |
| CN112508582A (en) * | 2020-11-17 | 2021-03-16 | 广东职业技术学院 | Multiple invisible pattern anti-counterfeiting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018129051A1 (en) * | 2017-01-04 | 2018-07-12 | Advanced Functional Fabrics Of America | Uniquely identifiable articles of fabric and social networks employing them |
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| CN103295043A (en) * | 2013-04-18 | 2013-09-11 | 周莉 | Barcode with changeable information and manufacturing method thereof |
| CN208922301U (en) * | 2018-12-14 | 2019-05-31 | 成都纺织高等专科学校 | A kind of stable type weaving two dimensional code mark |
| CN110205705A (en) * | 2019-05-24 | 2019-09-06 | 华中科技大学 | A kind of thermochromism fiber, its preparation and application |
| CN112508582A (en) * | 2020-11-17 | 2021-03-16 | 广东职业技术学院 | Multiple invisible pattern anti-counterfeiting system |
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