CN114091638A - 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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- CN114091638A CN114091638A CN202111399486.7A CN202111399486A CN114091638A CN 114091638 A CN114091638 A CN 114091638A CN 202111399486 A CN202111399486 A CN 202111399486A CN 114091638 A CN114091638 A CN 114091638A
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- 238000002074 melt spinning Methods 0.000 claims description 5
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- 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
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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
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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
- G06K19/02—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 pattern grids of a plurality of different two-dimensional codes; and a micro heating plate arranged below the pattern grid without the heating wire or the heating wire 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, the skin-friendly property, the data storage capacity, the anti-counterfeiting property and the 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 large-scale industrial production, one fabric bar code can display and generate a plurality of bar code information, controllable dynamic bar code information display can be realized in a heating mode, and the application scene is wide.
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 barcode is an identification code of a product, and currently, one-dimensional barcodes and two-dimensional barcodes (universal barcodes such as two-dimensional codes) are distributed in the market, and the one-dimensional barcodes are commonly used in product labels, such as book management, logistics outlets, fixed assets, medical food and other fields. Two-dimensional codes have the characteristics of information storage capacity, information confidentiality and the like, and therefore, the two-dimensional codes are widely applied to various industries.
In the use process of the existing two-dimensional code, besides the electronic two-dimensional code used by the mobile terminal, the electronic two-dimensional code is printed on a paper material or other materials by patterns.
In chinese patent CN 106611205 a, a multi-layer overprinted gradient-color two-dimensional code anti-counterfeit label is disclosed, but in order to improve multiple anti-counterfeit accuracy and anti-counterfeit performance of two-dimensional codes, the difficulty of copying and embezzling two-dimensional code bodies is increased, the manufacturing process is complicated, the label is not water-resistant, and multiple colors of two-dimensional codes cannot be switched arbitrarily. Chinese patent CN 106710438A prepares a can change the color and correspond to the sign indicating number false proof mark when being heated, realizes tracing to the source and anti-fake inquiry through scanning the two-dimensional code, also can pass the heating and verify whether change the color of the ink that changes the color when being heated and distinguish the true and false of the product, but its preparation manufacturing process is complicated, and the heating is discoloured and is not changed the two-dimensional code and is constituteed. The Chinese patent CN 111598200A and the Chinese patent CN 105400294A realize two states of two-dimensional code invisibility and display, and do not relate to the dynamic change of the two-dimensional code. In Chinese patents CN 112580761A, CN212979446U and CN 109295586B, the two-dimensional code is combined with a chest badge, a groove and a trademark in a weaving mode to realize information display of the two-dimensional code, and the generated two-dimensional code information is fixed two-dimensional code information or double-layer display two-dimensional code information.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing method for printing the two-dimension code has complex and tedious manufacturing process, is not resistant to water washing, cannot carry out arbitrary switching of multiple colors of the two-dimension code, and cannot realize dynamic change of the two-dimension code;
(2) the existing mode of weaving the two-dimensional code enables the information content contained in the single fabric two-dimensional code to be limited to a certain degree, and the information display is simpler.
The difficulty in solving the above problems and defects is:
(1) in order to have anti-counterfeiting and information functions, the prior art tends to complicate the preparation process and is not easy to be repeatedly engraved;
(2) the existing bar code is generally printed, the condition existing in the form of fabric bar codes is rare, and the printing process faces the problems of water washing, damage and the like;
(3) the reading of the existing bar code information takes color information into less consideration, and is more inclined that one bar code information has and only corresponds to one information content.
The significance of solving the problems and the defects is as follows:
(1) the preparation process of the fabric bar code is simplified, the color information and the black and white bar code information are combined, the information containing capacity 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 is more skin-attached and breathable, and the attractiveness, the washing resistance and the intelligent informatization of the fabric are improved.
Disclosure of Invention
Aiming at the problems 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 such a way that a color fabric bar code is provided with:
a two-dimensional code layer;
the two-dimensional code layer is composed of a plurality of pattern grids of different two-dimensional codes; the pattern square is formed by weaving textile fibers and functional thermochromic fibers; or weaving the functional thermochromic fiber with textile fiber, a heating wire; or is formed by weaving textile fibers and functional thermochromic yarns;
the textile fiber comprises but is not limited to one or more than two of cotton thread, terylene, spandex or other fibers;
the functional thermochromic fibers are composed of one or more thermochromic fibers; the thermochromic fiber can be a section of color-changing fiber with one temperature-changing node or a plurality of sections of color-changing fibers with a plurality of temperature-changing temperature nodes;
the heating wires are heating metal wires or silver-plated yarns;
the functional thermochromic yarn is formed by twisting the functional thermochromic fibers and the heating wires; the heating wire is used for controlling the heating temperature of the functional thermochromic yarn.
Further, if the fabric is woven by the textile fibers and the functional thermochromic fibers, a micro heating sheet is arranged below each pattern square; the heating plate is used for controlling the temperature of the corresponding pattern square. If the fabric is formed by mixing the textile fibers, the heating wires and the functional thermochromic fibers, the temperature of each pattern square is controlled by the heating wires which are woven into each pattern square; if the functional thermochromic yarn is knitted by the textile fibers, the temperature of each pattern square is controlled by the heating wires in the functional thermochromic yarn.
Further, the number of the pattern grids is n x n, wherein n is an integer greater than 9; the pattern grids can be square, triangular, trapezoidal or other figures;
the pattern square is provided with: a positioning area and a data coding area; the data coding area is used for carrying out thermochromic fiber color design control.
The invention also aims to provide a preparation method of the color fabric bar code, which comprises the following steps:
preparing thermochromic fibers by using a thermal softening 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 fibers and common textile fibers, or weaving the functional thermochromic fibers, the common textile fibers and the heating wires in a mixed mode; or the functional thermochromic yarn is woven with common textile fibers to obtain pattern grids;
and step three, splicing the n x n arranged pattern grids to obtain the color fabric bar code (a micro heating sheet is also arranged below the pattern grid without the heating wires).
Further, in the second step, the knitting method may be weaving, knitting, embroidering or other knitting methods.
Another object of the present invention is to provide a color fabric barcode display method of the color fabric barcode, wherein the color fabric barcode display method comprises:
the functional thermochromic fibers of the pattern grids are driven to change colors by respectively controlling the micro heating sheets arranged below the pattern grids 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 realized.
The invention also aims to provide an anti-counterfeiting verification method based on the color fabric bar code, which 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.
Further, the anti-counterfeiting authentication 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 performing information interaction anti-counterfeiting verification through code scanning verification.
Further, the anti-counterfeiting authentication method further comprises the following steps:
and the color of the thermochromic fibers of each pattern square in the data coding area is controlled to enable the data coding area to perform anti-counterfeiting verification through the display of invisible characters, patterns or other contents.
The invention also aims to provide the thermochromic fabric one-dimensional bar code prepared by the preparation method of 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, the skin-friendly property, the data storage capacity, the anti-counterfeiting property and the aesthetic feeling of the bar code are improved.
The invention combines the color information and the bar code information to realize that one real object bar code comprises a plurality of bar code information, thereby enhancing the visual aesthetic feeling and improving the information holding capacity.
Compared with the traditional printing method, the printing method is more wear-resistant, washable, detergent-resistant, skin-friendly and breathable, effectively reduces the damage rate of the bar code, expands the application scene, and has more diversified display, larger information content and improved anti-counterfeiting performance compared with the existing textile method.
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 large-scale industrial production, can display and generate a plurality of bar code information by one fabric bar code, can realize controllable dynamic bar code information display by a heating mode, and has wide application scenes.
Drawings
Fig. 1 is a flow chart of a method for preparing a color fabric barcode according to an embodiment of the present invention.
Fig. 2 is a two-dimensional code weaving diagram of a color fabric provided by the embodiment of the invention.
FIG. 3 is a two-dimensional code heating color-changing display diagram of a color fabric according to an embodiment of the present invention;
in the figure: 1. a color fabric two-dimensional code layer, 2, a micro heating sheet layer.
Fig. 4 is a schematic diagram of embodiment 2 provided in the present invention.
Fig. 5 is a schematic diagram of embodiment 3 provided in the present invention.
Fig. 6 is a schematic diagram of embodiment 4 provided in the present invention.
Fig. 7 is a schematic diagram of embodiment 5 provided by the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to solve the problems in the prior art, the present invention provides a color fabric bar code, which 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 is composed of a plurality of pattern grids of different two-dimensional codes; a micro heating plate or a weaving heating wire in the fabric is arranged below each pattern grid without the heating wire; the heating plates or heating wires are used for controlling the temperature of the corresponding pattern grids.
The pattern square grid provided by the embodiment of the invention is formed by weaving textile fibers and functional thermochromic fibers; or weaving the functional thermochromic fiber with textile fiber, a heating wire; or is formed by weaving textile fibers and functional thermochromic yarns;
the textile fiber provided by the embodiment of the invention comprises but is not limited to one or more than two of cotton thread, terylene, spandex or other fibers; the functional thermochromic fiber provided by the embodiment of the invention is composed of one or more thermochromic fibers; the thermochromic fiber provided by the embodiment of the invention can be a section of color-changing fiber with one temperature-changing node, or a plurality of sections of color-changing fibers with a plurality of temperature-changing temperature nodes, preferably a section of color-changing fiber with one temperature-changing node; the heating wire provided by the embodiment of the invention is a heating metal wire or a silver-plated yarn; the functional thermochromic yarn provided by the embodiment of the invention is formed by twisting the functional thermochromic fibers and the heating wires; 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 grids provided by the embodiment of the invention is n x n, wherein n is an integer greater than 9; the pattern square grid provided by the embodiment of the invention can be square, triangular, trapezoidal or other figures;
the pattern square 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 carrying out color design control on the thermochromic fibers.
As shown in fig. 1, the method for preparing a color fabric barcode provided by the embodiment of the present invention includes:
s101, preparing thermochromic fibers by using a thermal softening 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, knitting the functional thermochromic fibers and common textile fibers, or knitting the functional thermochromic fibers, the common textile fibers and heating wires in a mixed manner; or the functional thermochromic yarn is woven with common textile fibers to obtain pattern grids;
and S103, splicing the n-x-n arranged pattern grids to obtain the color fabric bar code (a micro heating sheet is also arranged below the pattern grid without the heating wire).
The knitting method provided by the embodiment of the invention can be weaving, knitting, embroidering or other knitting methods.
The color fabric bar code color developing method provided by the embodiment of the invention comprises the following steps:
the functional thermochromic fibers of the pattern grids are driven to change colors by respectively controlling the micro heating sheets arranged below each pattern grid 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 performed.
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 performing 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 color of the thermochromic fibers of each pattern square in the data coding area is controlled to enable the data coding area to perform anti-counterfeiting verification through the display of invisible characters, patterns or other contents.
The technical solution of the present invention is further described with reference to the following specific embodiments.
Example 1:
the fabric two-dimensional code is formed by splicing a plurality of different two-dimensional code pattern grids and forms a whole two-dimensional code textile organizational chart; the pattern square grid is formed by weaving common textile fibers and functional thermochromic fibers; or weaving the functional thermochromic fiber with textile fiber, a heating wire; or woven from textile fibres and functional thermochromic yarns.
In some embodiments, micro heating plates are arranged below pattern squares without heating wires in the two-dimensional code of the fabric or the heating wires are woven in the fabric, and different pattern squares respectively and independently control the temperature to drive the functional thermochromic fibers to change the color.
In some embodiments, the two-dimensional code of the fabric may include n × n patterned squares (n is an integer greater than 9), and may include at least 2n different pieces of information, for example, 9 × 9, 15 × 15, 23 × 23, and the like.
In some embodiments, the weaving method of the common textile fibers and the 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 use the thermochromic fibers as warp and weft (or bottom and surface) lines, form a woven fabric according to various fabric structures, use the thermochromic fibers with different color-changing effects to form different color block squares through the weaving, and finally form a color two-dimensional code pattern by jigsaw puzzle, the knitting is to sequentially bend one or more thermochromic fibers fed from weft to weft into a series of loops, serially sleeve the new loops generated next time and the old loops generated this time, design and combine the loop-forming tissues and the loop-forming tissues into a texture structure to form the knitted fabric, and use the knitting method to form different color block squares by the thermochromic fibers with different color-changing effects, finally, the picture is spliced to form a color two-dimensional code pattern, embroidery is to use an embroidery needle to guide thermochromic fibers with different color-changing effects, the needle is embroidered and moved on the fabric, so that different color block grids are formed by the embroidery, and finally the picture is spliced to form a color two-dimensional code pattern;
in some embodiments, the common textile fibers in the grid of the fabric two-dimensional code pattern include, but are not limited to, cotton, polyester, spandex, and the like;
in some embodiments, the functional thermochromic fibers in the fabric two-dimensional code pattern square are composed of one or more thermochromic fibers, and the preparation method comprises but is not limited to: the functional thermochromic fiber can be a section of thermochromic fiber with one temperature-variable node or a section of thermochromic fiber with a plurality of temperature-variable temperature nodes, and preferably, the thermochromic fiber with one temperature-variable temperature node is selected. Specifically, a thermal softening wire drawing method is adopted, firstly, a thermochromic composite master batch is prepared, then, the thermochromic composite master batch is prepared into a thermochromic prefabricated rod, finally, the thermochromic fiber is prepared in a thermal softening wire drawing mode, if a wet spinning method is adopted, firstly, a thermochromic composite material solution is prepared, the composite material solution is placed in an extrusion container, the thermochromic fiber can be obtained after extrusion and full drying through a condensation bath, if a melt spinning method is adopted, the thermochromic composite master batch is prepared and then placed in a melt spinning machine, and the spinning speed is adjusted through a spinning assembly, so that the thermochromic fiber can be obtained.
In some embodiments, the fabric two-dimensional code can realize controllable and dynamic display of two or more kinds of two-dimensional code information by performing independent temperature control on each independent pattern square.
In some specific embodiments, the pattern square 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. The temperature change information of the positioning area is stored in the two-dimension code information of the fabric, and the information interaction anti-counterfeiting verification is realized through code scanning verification. The data coding area is used for carrying out thermochromic fiber color design control, and anti-counterfeiting verification is carried out through display of invisible characters, patterns and the like. The color of the thermochromic fiber is changed by selecting colors with smaller calculation amount, more accurate calculation and identification and more distinct colors, such as white and color, through a machine algorithm.
Compared with the traditional printing method, the fabric two-dimensional code generation and display method provided by the invention is more wear-resistant, washing-resistant, detergent-resistant, skin-friendly and breathable, effectively reduces the damage rate of the two-dimensional code, expands the application scene, and has the advantages of more diversified display, larger information containing amount 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 large-scale industrial production, can display and generate a plurality of pieces of two-dimension code information by one fabric two-dimension code, can realize controllable dynamic two-dimension code information display by a heating mode, and has wide application scenes.
Example 2:
1) selecting primary backing cloth: the color of the primary backing of the fabric two-dimensional code is not unique, and in the specific embodiment 2, the color of the primary backing is selected to be white;
2) determination of functional thermochromic fibres: the fabric two-dimensional code can select any number of thermochromic fibers with any section changing, in the specific embodiment 2, three single-section thermochromic fibers (all are functional thermochromic fibers without heating wires) with different color change temperatures are selected, the three color change temperatures are sequentially increased, and when the temperature is increased to 40 ℃, the white thermochromic fibers are changed into red thermochromic fibers; when the temperature is increased to 45 ℃, the other white thermochromic fiber is changed into a blue thermochromic fiber; when the temperature is increased to 50 ℃, the black thermochromic fiber is changed into a green thermochromic fiber;
3) the specific position of the thermochromic fibers in the fabric pattern is determined: the positioning area of the fabric two-dimensional code selects original black thermochromic fibers with the temperature change temperature of 50 ℃, and the coding area of the fabric two-dimensional code selects the three thermochromic fibers respectively;
4) the color changing mode of the fabric two-dimensional code is as follows: the fabric two-dimensional code can be heated and discolored globally or locally, and in the specific embodiment 2, the whole fabric two-dimensional code is heated and discolored by using a heat source (a micro heating sheet).
Four fabric two-dimensional code information is generated and displayed before and after heating, and the back of each two-dimensional code corresponds to picture, website, audio and film information respectively. The jumping among all information chains can be realized by regulating and controlling the temperature of the whole fabric two-dimensional code.
Example 3:
1) selecting primary backing cloth: the color of the primary backing of the fabric two-dimensional code is not unique, and in the specific embodiment 3, the color of the primary backing is selected to be white;
2) determination of functional thermochromic fibres: the fabric two-dimensional code can select any number of thermochromic fibers with any section changing, in this specific embodiment 3, a single-section thermochromic fiber (a functional thermochromic fiber without a heating wire) with a color change temperature of 31 ℃ is selected, and when the temperature rises to 31 ℃, the black thermochromic fiber is changed into the green thermochromic fiber.
3) The specific position of the thermochromic fibers in the fabric pattern is determined: the black thermochromic fibers are selected from the positioning area of the fabric two-dimensional code, and the black thermochromic fibers are also selected from the coding area of the fabric two-dimensional code.
4) The color changing mode of the fabric two-dimensional code is as follows: the color-changing heating mode of the fabric two-dimensional code can realize global or local heating color change, and in the specific embodiment 3, the whole fabric two-dimensional code is heated and changed in color by using a heat source (a micro heating sheet).
The thermochromic temperature information of the positioning area is loaded in the coding information of the fabric two-dimensional code, and then the mobile end scanning code identifies and obtains the anti-counterfeiting information hidden by the fabric two-dimensional code, so that man-machine information interaction is realized.
Example 4:
1) selecting primary backing cloth: the color of the primary base fabric of the two-dimensional code of the fabric is not unique, and in the specific embodiment 4, the color of the primary base fabric is selected to be white;
2) determination of functional thermochromic fibres: the fabric two-dimensional code can select any number of thermochromic fibers with any section changing, in the specific embodiment 4, two single-section thermochromic fibers (both are functional thermochromic fibers without heating wires) with different color changing temperatures are selected, one is that when the temperature is increased to 40 ℃, the black thermochromic fiber is changed into light green thermochromic fibers, and the other is that when the temperature is increased to 50 ℃, the white thermochromic fiber is changed into orange thermochromic fibers.
3) The specific position of the thermochromic fiber in the fabric pattern is determined: the fabric two-dimensional code comprises a fabric two-dimensional code and a code region, wherein the fabric two-dimensional code is characterized in that the positioning region of the fabric two-dimensional code selects original black thermochromic fibers with the temperature change temperature of 40 ℃, and the code region of the fabric two-dimensional code selects the two thermochromic fibers respectively.
4) The color changing mode of the fabric two-dimensional code is as follows: the color-changing heating mode of the fabric two-dimensional code can realize global or local heating color change, and in the specific embodiment 4, the whole fabric two-dimensional code is heated and changed in color by using a heat source (a micro heating sheet).
By typesetting and designing the fabric two-dimensional code blocks composed of thermochromic fibers with different temperature change temperatures, when the temperature is raised to 50 ℃, orange digital numbers 2 displayed on a light green background are generated in the coding area of the fabric two-dimensional code. The hidden digital information 2 is stored in the two-dimensional code information of the fabric, and anti-counterfeiting verification is realized through man-machine information interaction.
Example 5:
1) selecting primary backing cloth: the color of the primary backing of the fabric two-dimensional code is not unique, and in the specific embodiment 5, the color of the primary backing is selected to be white;
2) determination of functional thermochromic fibres: the fabric two-dimensional code can be any number of thermochromic fibers with any section change, in the specific embodiment 5, three single-section thermochromic fibers (all functional thermochromic fibers without heating wires) with different color change temperatures are selected, the three color change temperatures are sequentially increased, and when the temperature is increased to 40 ℃, the white thermochromic fibers are changed into the red thermochromic fibers; when the temperature is increased to 45 ℃, the other white thermochromic fiber is changed into a blue thermochromic fiber; when the temperature is increased to 50 ℃, the black thermochromic fibers are changed into green thermochromic fibers.
3) The specific position of the thermochromic fibers in the fabric pattern is determined: the positioning area of the fabric two-dimensional code selects original black thermochromic fibers with the temperature change temperature of 50 ℃, and the coding area of the fabric two-dimensional code selects the three thermochromic fibers respectively.
4) The color changing mode of the fabric two-dimensional code is as follows: the color-changing heating mode of the fabric two-dimensional code can realize global or local heating color change, and in the specific embodiment 5, the whole fabric two-dimensional code is heated and changed in color by using a heat source (a micro heating sheet).
And generating and displaying four kinds of fabric two-dimensional code information before and after heating, wherein the four kinds of fabric two-dimensional code information are respectively named as a, b, c and d. Each two-dimensional code stores corresponding information, meanwhile, the set anti-counterfeiting verification information is additionally stored, the four pieces of two-dimensional code information are sequentially connected according to the sequence of the two-dimensional codes a, b, c and d which are sequentially generated in an increasing mode of color change temperature to generate and display dynamic anti-counterfeiting information, and if the name of the anti-counterfeiting brand is generated and displayed according to the sequence, the dynamic linkage anti-counterfeiting verification is achieved.
Example 6:
1) selecting primary backing cloth: the color of the primary backing of the fabric two-dimensional code is not unique, and in the specific embodiment 6, the color of the primary backing is selected to be white;
2) determination of functional thermochromic fibres: the fabric two-dimensional code can select any number of 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 increased to 31 ℃, the purple thermochromic fiber is changed into a blue thermochromic fiber; when the temperature is raised to 45 ℃, the blue thermochromic fibers are changed into red thermochromic fibers.
3) Weaving of the fabric two-dimensional code: the fabric two-dimensional code is formed by weaving the three-section type functional thermotropic fibers and common textile fibers.
4) The color changing mode of the fabric two-dimensional code is as follows: the heating mode that discolours of fabric two-dimensional code can realize that universe or local heating discolour, and in this embodiment 6, what select uses miniature heating plate heating, and the temperature in every pattern square of independent regulation and control two-dimensional code realizes that whole fabric two-dimensional code universe or local heating discolours.
Example 7:
1) selecting primary backing cloth: the color of the primary backing of the fabric two-dimensional code is not unique, and in the specific embodiment 7, the color of the primary backing is selected to be white;
2) determination of functional thermochromic fibres: the fabric two-dimensional code can select any number of thermochromic fibers with any section change, in this specific embodiment 7, a single-section thermochromic fiber is selected, and when the temperature rises to 31 ℃, the blue thermochromic fiber changes into the white thermochromic fiber.
3) Weaving of the fabric two-dimensional code: the fabric two-dimensional code is formed by blending and weaving the single-section functional thermotropic fiber, common textile fiber and heating wires.
4) The color changing mode of the fabric two-dimensional code is as follows: the heating mode that discolours of fabric two-dimensional code can realize that universe or local heating discolour, and in this embodiment 7, what select uses the heater strip heating, and the temperature in every pattern square of independent regulation and control two-dimensional code realizes that whole fabric two-dimensional code universe or local heating discolours.
Example 8:
1) selecting primary base cloth: the color of the primary backing of the fabric two-dimensional code is not unique, and in the specific embodiment 8, the primary backing is selected to be white;
2) determination of functional thermochromic yarns: the fabric two-dimensional code can select any number of thermochromic yarns with any section change, in the specific embodiment 8, a three-section thermochromic yarn is selected, and when the temperature is increased to 31 ℃, the purple thermochromic yarn is changed into blue thermochromic yarn; when the temperature rises to 45 ℃, the blue thermochromic yarn changes into the red thermochromic yarn.
3) Weaving of the fabric two-dimensional code: the fabric two-dimensional code is formed by weaving the three-section type functional thermochromic yarn and common textile fibers.
4) The color changing mode of the fabric two-dimensional code is as follows: the heating mode that discolours of fabric two-dimensional code can realize that universe or local heating discolour, and in this embodiment 8, what select is that the heater strip heating that uses in the thermochromism yarn, and the temperature of independent regulation and control two-dimensional code pattern square realizes that whole fabric two-dimensional code universe or local heating discolours.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present 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 above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A colored fabric barcode, wherein the colored fabric barcode is provided with:
a two-dimensional code layer;
the two-dimensional code layer is composed of a plurality of pattern grids of different two-dimensional codes.
2. The color fabric barcode of claim 1, wherein the pattern squares are woven from textile fibers and functional thermochromic fibers; or weaving the functional thermochromic fiber with textile fiber, a heating wire; or is formed by weaving textile fibers and functional thermochromic yarns;
the textile fiber comprises one or more than two of cotton thread, terylene, spandex or other fibers;
the functional thermochromic fibers are composed of one or more thermochromic fibers; the thermochromic fiber can be a section of color-changing fiber with one temperature-changing node or a plurality of sections of color-changing fibers with a plurality of temperature-changing temperature nodes;
the heating wires are heating metal wires or silver-plated yarns;
the functional thermochromic yarn is formed by twisting the functional thermochromic fibers and the heating wires; the heating wire is used for controlling the heating temperature of the functional heat value color-changing yarn;
if the fabric is woven by the textile fibers and the functional thermochromic fibers, a micro heating sheet is arranged below each pattern square; the heating plate is used for controlling the temperature of the corresponding pattern grids; if the fabric is formed by mixing the textile fibers, the heating wires and the functional thermochromic fibers, the temperature of each pattern square is controlled by the heating wires which are woven into each pattern square; if the fabric is woven by the textile fibers and the functional thermochromic yarns, the temperature of each pattern square is controlled by the heating wires in the functional thermochromic yarns.
3. The color fabric barcode of claim 1, wherein the number of patterned squares is n x n, wherein n is an integer greater than 9; the pattern grids can be square, triangular, trapezoidal or other figures;
the pattern square is provided with: a positioning area and a data coding area; the data coding area is used for carrying out thermochromic fiber color design control.
4. A method for preparing color fabric barcodes of any one of claims 1 to 3, wherein the method for preparing color fabric barcodes comprises the following steps:
preparing thermochromic fibers by using a thermal softening 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 a common textile fiber, or mixedly weaving 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 grids;
and step three, splicing the n x n arranged pattern grids to obtain the color fabric bar code, wherein a micro heating sheet is also arranged below the pattern grids without the heating wires.
5. The method for preparing barcode on color fabric according to claim 4, wherein in the second step, the weaving method is weaving, knitting, embroidering or other weaving methods.
6. A color fabric barcode display method of the color fabric barcode according to any one of claims 1 to 3, wherein the color fabric barcode display method comprises:
the functional thermochromic fibers in the pattern grids are driven to change colors by respectively controlling the micro heating sheets arranged below the pattern grids without the heating wires or controlling the temperature of the heating wires woven in the fabric, so that dynamic display of various different two-dimensional code information is realized.
7. A method for verifying anti-counterfeiting based on the color fabric bar code according to any one of claims 1 to 3, wherein the method for verifying anti-counterfeiting 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.
8. The method for authenticating a color fabric barcode according to claim 7, wherein the method further comprises:
and storing the temperature change information of the positioning area in the bar code information of the colored fabric, and performing information interaction anti-counterfeiting verification through code scanning verification.
9. The method for authenticating a color fabric barcode according to claim 7, wherein the method further comprises:
and the color of the thermochromic fibers of each pattern square in the data coding area is controlled to enable the data coding area to perform anti-counterfeiting verification through the display of invisible characters, patterns or other contents.
10. A thermochromic textile one-dimensional barcode prepared by the method for preparing a colored textile barcode according to any one of claims 4 to 5.
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| CN103295043A (en) * | 2013-04-18 | 2013-09-11 | 周莉 | Barcode with changeable information and manufacturing method thereof |
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| CN110205705A (en) * | 2019-05-24 | 2019-09-06 | 华中科技大学 | A kind of thermochromism fiber, its preparation and application |
| US20190325279A1 (en) * | 2017-01-04 | 2019-10-24 | Advanced Functional Fabrics Of America | Uniquely Identifiable Articles of Fabric and Social Networks Employing Them |
| 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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| CN103295043A (en) * | 2013-04-18 | 2013-09-11 | 周莉 | Barcode with changeable information and manufacturing method thereof |
| US20190325279A1 (en) * | 2017-01-04 | 2019-10-24 | Advanced Functional Fabrics Of America | Uniquely Identifiable Articles of Fabric and Social Networks Employing Them |
| 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 |
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