Test method, system and storage medium for textile printing fastness

Abstract

The present invention discloses a testing method, system and storage medium for textile printing fastness, and relates to the technical field of textile printing fastness testing. The testing method for textile printing fastness comprises the following steps: S1, collecting initial printing information data, S2, printing fastness test, S3, obtaining printing fastness evaluation results, and S4, comprehensive evaluation. The present invention obtains the printing fastness test classification results by collecting the initial printing information data and environmental information of the textile printing to be tested, then performs the printing fastness test on the textile printing to be tested, and finally combines the initial printing information data and the printing fastness test results to obtain the printing fastness evaluation results and the printing fastness comprehensive evaluation results, thereby achieving the effect of improving the correlation between the testing accuracy of textile printing fastness and the testing process, and solving the problem of low correlation between the testing accuracy of textile printing fastness and the testing process in the prior art.

Description

[0001] The invention relates to the technical field of textile printing fastness testing, and in particular to a testing method, system and storage medium for textile printing fastness. Background Art

[0002] With the continuous development of textile technology and the increasing demand of consumers, textiles have become indispensable daily necessities in people's daily lives, playing a vital role in the development and progress of social economy. Among them, textile printing fastness is a key indicator for evaluating printing quality. It determines the adhesion and durability of printing on fabrics. A high textile printing fastness means that when the textile is affected by external factors, the printing pigments on the fabric maintain good color and pattern clarity, thereby maintaining the beauty, practicality and durability of the textile.

[0003] In the existing technology, specific methods are used to evaluate the adhesion and durability of prints on fabrics. According to the observed degree of print transfer or shedding, the test results are quantitatively evaluated according to different test methods and standards. The evaluation results are usually expressed in the form of grades, which realizes the accurate assessment of the fastness grade of textile prints.

[0004] For example, a patent application with publication number: CN115931616A discloses a fabric dry and wet friction tester, comprising: a working machine, a sample placement position for fixing the test fabric, and a friction head for rubbing the fabric, characterized in that the working machine is equipped with an axis body through an axis seat, the friction head is installed at the front end of the axis body corresponding to the sample placement position, a push portion is formed at the rear end of the axis body, a first ring piece is provided on the axis body between the push portion and the axis seat, a first spring is sleeved on the axis body between the first ring piece and the axis seat, a second ring piece is provided on the axis body between the friction head and the axis seat, a second spring is sleeved on the axis body between the second ring piece and the axis seat, two ends of the second spring are respectively connected to the second ring piece and the axis seat, the working machine is equipped with a movable swing arm driven by power, the movable swing arm has a squeezing and pushing portion in contact with the pushed portion, and the sample placement position can be raised and lowered.

[0005] For example, the invention patent with announcement number: CN101865819B discloses a method for testing the printing fastness of textiles, including: an accelerated washing test, with the conclusion being either accepted or rejected; an actual home washing test, with the conclusion being either accepted or rejected; if the conclusions of both tests are accepted, a tensile test is performed, with the final conclusion being either accepted or rejected.

[0006] However, in the process of implementing the technical solution of the invention in the embodiments of the present application, the present application found that the above technology has at least the following technical problems:

[0007] In the prior art, due to the complexity of influencing factors in the testing process of the textile printing fastness test method, it is impossible to accurately test the printing fastness of the textile, and there is a problem that the testing accuracy of the textile printing fastness is low in correlation with the testing process. Summary of the invention

[0008] The embodiments of the present application solve the problem of low correlation between the test accuracy and the test process of textile printing fastness in the prior art by providing a test method, system and storage medium for textile printing fastness, thereby improving the correlation between the test accuracy and the test process of textile printing fastness.

[0009] The embodiment of the present application provides a testing method for textile print fastness, comprising the following steps: S1, collecting textile prints to be tested in real time, pre-processing the textile prints to be tested to obtain initial print information data, and using a sensor to collect environmental information of the textile print test to be tested; S2, classifying the initial print information data for a print fastness test according to a preset print test classification index to obtain a print fastness test classification result, and performing a print fastness test on the textile print to be tested according to the print fastness test classification result to obtain a print fastness test result; S3, obtaining a print fastness evaluation result according to the initial print information data and the print fastness test result, and the print fastness evaluation result is used to numerically describe the degree of fading and loss of the textile print to be tested; S4, comprehensively evaluating the print fastness of the textile print to be tested according to the print fastness evaluation result to obtain a print fastness comprehensive evaluation result.

[0010] Furthermore, the specific method for obtaining the initial print information data is: performing a washing operation on the textile print to be tested, wherein the washing operation is used to reduce the influence of impurities in the textile print to be tested on the print fastness test; measuring the initial color vividness value of the textile print to be tested by a colorimeter; and measuring the print image information of the textile print to be tested by an image acquisition device.

[0011] Furthermore, the printing test includes a light fastness test, a rubbing fastness test, a perspiration fastness test and a washing fastness test, and the specific process of the light fastness test is: obtaining the influencing factors of the light fastness test, and the influencing factors of the light fastness test include light intensity and light duration; measuring the color vividness value and printing image information of the textile print to be tested in the first simulation environment and the second simulation environment respectively by a colorimeter and an image acquisition device at a preset time point within a preset time period, thereby obtaining a lightfast color vividness sequence and a lightfast printing image information sequence.

[0012] Furthermore, the specific process of the friction fastness test is: obtaining the influencing factors of the friction fastness test, the influencing factors of the friction fastness test include pressure and friction times; measuring the color vividness value and print image information of the textile print to be tested in the third simulation environment and the fourth simulation environment respectively by a colorimeter and an image acquisition device at a preset time point within a preset time period, thereby obtaining a friction-resistant color vividness sequence and a friction-resistant print image information sequence.

[0013] Furthermore, the specific process of the sweat fastness test is: obtaining the influencing factors of the sweat fastness test, the influencing factors of the sweat fastness test including the concentration of artificial sweat and the soaking time; measuring the color vividness value and print image information of the textile print to be tested in the fifth simulation environment and the sixth simulation environment respectively by a colorimeter and an image acquisition device at a preset time point within a preset time period, thereby obtaining a sweat fastness color vividness sequence and a sweat fast print image information sequence.

[0014] Furthermore, the specific process of the washing fastness test is: measuring the color vividness value and printing image information of the textile print to be tested in the seventh simulation environment by a colorimeter and an image acquisition device, thereby obtaining a washing fastness color vividness sequence and a washing fastness printing image information sequence.

[0015] Furthermore, the specific method for obtaining the print fastness evaluation result is as follows: obtaining the color vividness weight and the pattern integrity weight from a preset database; comparing the initial color vividness value of the textile print to be tested with the color vividness sequence, and obtaining the print fading coefficient through a colorimeter, wherein the color vividness sequence includes a lightfast color vividness sequence, a friction-resistant color vividness sequence, a sweat-resistant color vividness sequence, and a wash-resistant color vividness sequence; comparing the initial print image information of the textile print to be tested with the print image information sequence to obtain a print missing coefficient, and combining the print fading coefficient, the color vividness weight, and the pattern integrity weight to obtain the print fastness evaluation result, wherein the print fading coefficient is used to describe the fading degree of the textile print to be tested, and the print missing coefficient is used to describe the missing degree of the textile print to be tested; the print fastness evaluation result is calculated by the following formula:

[0016] ;

[0017] Where a is the serial number of the textile print to be tested, , A is the total number of textile prints to be tested, b is the number of the print fastness test, , Indicates light fastness test, Indicates the rubbing fastness test. Indicates the perspiration fastness test. Indicates washing fastness test, It represents the print loss coefficient of the ath textile print to be tested in the bth print fastness test, It represents the fading coefficient of the ath textile print to be tested in the bth printing fastness test. It indicates the evaluation result of the printing fastness of the ath textile print to be tested in the bth printing fastness test. represents the color vividness weight, represents the pattern completeness weight, Indicates the reference coefficient of printing fading, Indicates the print missing reference coefficient.

[0018] Furthermore, the specific method for obtaining the comprehensive evaluation result is as follows: obtaining evaluation weights from a preset database, the evaluation weights including light fastness test weights, rubbing fastness test weights, perspiration fastness test weights and washing fastness test weights; combining the printing fastness evaluation results corresponding to the light fastness test, perspiration fastness test, rubbing fastness test and washing fastness test to obtain a comprehensive evaluation result of printing fastness, and the comprehensive evaluation result of printing fastness is calculated by the following formula:

[0019] ;

[0020] In the formula, is the comprehensive evaluation result of the printing fastness of the ath textile print to be tested, is the evaluation result of the printing fastness of the ath textile print to be tested in the light fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the rubbing fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the perspiration fastness test. is the evaluation result of the printing fastness of the ath textile print to be tested in the washing fastness test, Weight for light fastness test, Weights for rubbing fastness test, Weights for perspiration fastness test, Weights for washing fastness testing.

[0021] The embodiment of the present application provides a testing system for textile print fastness, and the testing system for textile print fastness includes: a data acquisition module, a print fastness test module, an evaluation database construction module and a comprehensive evaluation module; wherein the data acquisition module is used to collect the textile prints to be detected in real time, pre-process the textile prints to be detected to obtain initial print information data, and use sensors to collect environmental information of the textile print test to be detected; the print fastness test module is used to classify the initial print information data according to a preset print test classification index to obtain a print fastness test classification result, and perform a print fastness test on the textile print to be detected according to the print fastness test classification result to obtain a print fastness test result; the evaluation database construction module is used to establish an evaluation database according to the initial print information data and the print fastness test result, the evaluation database is used to compare the initial print information data and the print fastness test result to obtain a print fastness evaluation result, and the print fastness evaluation result is used to numerically describe the fading degree and the missing degree of the textile print to be detected; the comprehensive evaluation module is used to perform a comprehensive evaluation of the print fastness of the textile to be detected according to the print fastness evaluation result to obtain a comprehensive evaluation result of the print fastness.

[0022] An embodiment of the present application provides a computer-readable storage medium for storing a program, which, when executed by a processor, implements a testing method for textile printing fastness.

[0023] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0024] 1. Initial printing information data and environmental information are obtained by collecting the printing of textiles to be tested, and printing fastness tests are performed on the printing of textiles to be tested, thereby obtaining printing fastness evaluation results and printing fastness comprehensive evaluation results, thereby effectively reducing the impact of external factors on the printing fastness test of textiles, thereby achieving an improvement in the correlation between the testing accuracy of textile printing fastness and the testing process, and effectively solving the problem of low correlation between the testing accuracy of textile printing fastness and the testing process in the prior art.

[0025] 2. The print missing coefficient is calculated based on the lightfastness image information sequence of the textile print to be tested measured by the colorimeter and the image acquisition device, and the print fastness evaluation result is calculated in combination with the color vividness weight and the pattern integrity weight, thereby realizing the digitization of the print fastness evaluation result in the lightfastness test of the textile print to be tested, and further realizing a more accurate evaluation of the print fastness evaluation result in the lightfastness test of the textile print to be tested.

[0026] 3. By obtaining the printing fastness evaluation results corresponding to the light fastness test, perspiration fastness test, rubbing fastness test and washing fastness test of the textile printing to be tested and calculating the comprehensive evaluation results of the printing fastness of the textile printing to be tested with the test weights, the comprehensive evaluation results of the printing fastness of the textile printing to be tested are digitized, thereby achieving a more accurate evaluation of the comprehensive evaluation results of the printing fastness of the textile printing to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A flow chart of a method for testing the printing fastness of textiles provided in an embodiment of the present application;

[0028] Figure 2 A schematic diagram of the change of the print missing coefficient provided in the embodiment of the present application;

[0029] Figure 3 A schematic diagram of the structure of a testing system for textile printing fastness provided in an embodiment of the present application. DETAILED DESCRIPTION

[0030] The embodiments of the present application solve the problem of low correlation between the test accuracy and the test process of textile printing fastness in the prior art by providing a test method, system and storage medium for textile printing fastness. The initial printing information data and environmental information of the textile printing to be tested are collected in real time to obtain a printing fastness test classification result. Then, according to the printing fastness test classification result, a printing fastness test is performed on the textile printing to be tested to obtain a printing fastness test result. The initial printing information data and the printing fastness test result are combined to obtain a printing fastness evaluation result. The textile printing to be tested is comprehensively evaluated to obtain a printing fastness comprehensive evaluation result, thereby achieving an improvement in the correlation between the test accuracy and the test process of textile printing fastness.

[0031] The technical solution in the embodiment of the present application is to solve the problem of low correlation between the test accuracy and the test process of the above-mentioned textile printing fastness, and the overall idea is as follows:

[0032] The printing fastness test classification results are obtained by classifying the collected initial printing information data, and then the printing fastness test is carried out to obtain the printing fastness evaluation results and the printing fastness comprehensive evaluation results, thereby achieving the effect of improving the test accuracy of textile printing fastness and the correlation of the test process.

[0033] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] like Figure 1As shown, it is a flow chart of a testing method for textile print fastness provided by an embodiment of the present application, the method comprising the following steps: S1, real-time collection of textile prints to be tested, pre-processing of the textile prints to be tested to obtain initial print information data, and using sensors to collect environmental information of the textile print test to be tested, the initial print information data including the initial color vividness value and print image information of the textile print to be tested, and the environmental information including temperature, humidity and light intensity; S2, classifying the initial print information data according to a preset print test classification index for a print fastness test to obtain a print fastness test classification result, and performing a print fastness test on the textile print to be tested according to the print fastness test classification result to obtain a print fastness test result; the print test classification is used to divide the textile prints to be tested according to the print material, the print test includes a light fastness test, a friction fastness test, a perspiration fastness test and a washing fastness test, and the light fastness test It is used to obtain the test results of the printing fastness of the textile print to be tested under long-term light exposure, the friction fastness test is used to obtain the test results of the printing fastness of the textile print to be tested under friction, the perspiration fastness test is used to obtain the test results of the printing fastness of the textile print to be tested under sweat, and the washing fastness test is used to obtain the printing fastness test results of the textile print to be tested after multiple washings. The printing fastness test results include the color vividness value and printing image information obtained by the printing fastness test of the textile print to be tested; S3, obtaining the printing fastness evaluation results according to the initial printing information data and the printing fastness test results, and the printing fastness evaluation results are used to numerically describe the fading and loss degree of the textile print to be tested; S4, comprehensively evaluating the printing fastness of the textile print to be tested according to the printing fastness evaluation results to obtain the comprehensive printing fastness evaluation results, and the comprehensive printing fastness evaluation results are used to comprehensively describe the printing fastness of the textile print to be tested.

[0035] In this embodiment, print fastness refers to the ability of a textile print to maintain its original color and pattern after a specific test. The higher the fastness, the less likely the print is to fade and damage. Environmental information is used to simulate the actual use environment to make the test results closer to reality. Preset print test classification indicators are used to divide the fastness test types of the initial print information data of the textile to be tested. Comprehensive evaluation is performed by combining the print fastness evaluation results corresponding to the light fastness test, the rubbing fastness test, the perspiration fastness test, and the washing fastness test to obtain a comprehensive evaluation result of the print fastness. This improves the test accuracy of textile print fastness and the correlation of the test process.

[0036] Furthermore, the specific method for obtaining the initial printing information data is: performing a washing operation on the textile print to be tested, the washing operation is used to reduce the impact of impurities in the textile print to be tested on the printing fastness test; measuring the initial color vividness value of the textile print to be tested by a colorimeter; measuring the printing image information of the textile print to be tested by an image acquisition device, the image acquisition device includes a scanner and a camera.

[0037] In this embodiment, the colorimeter is an instrument for measuring the color difference of textile prints; the image acquisition device is used to record the image changes of the textile to be tested; before measurement, the colorimeter and the image acquisition device need to be calibrated, and the textile print to be tested is placed in the corresponding test area, and the measurement program is started according to the operating instructions of the colorimeter and the image acquisition device. The instrument will automatically simulate natural light irradiation and detect the initial color vividness and print image information of the textile print to be tested; the color vividness value is used to measure the color vividness of the textile print; the print image information includes the size, shape and pattern of the print; the accuracy of obtaining the initial print information data of the textile print to be tested is improved.

[0038] Furthermore, the specific process of the light fastness test is: obtaining the influencing factors of the light fastness test, which include light intensity and light duration; measuring the color vividness value and print image information of the textile print to be tested in the first simulation environment and the second simulation environment respectively by a colorimeter and an image acquisition device at a preset time point within a preset time period, thereby obtaining a lightfast color vividness sequence and a lightfast print image information sequence, the first simulation environment is used to simulate the light fastness of the textile print to be tested in different time periods under a preset temperature, preset humidity and preset light intensity, and the second simulation environment is used to simulate the light fastness of the textile print to be tested within different light intensity ranges under a preset temperature, preset humidity and preset time, the lightfast color vividness sequence represents a collection of color vividness under the light fastness test, and the lightfast print image information sequence represents a collection of print image information under the light fastness test.

[0039] In this embodiment, light fastness indicates the ability of a textile print to maintain the original color and pattern of the print under the action of light; the preset temperature and preset humidity indicate specific temperature and humidity set in the test environment, which are used to simulate the temperature and humidity conditions of the textile print to be tested in actual use. Generally, the preset temperature is 25°C and the preset humidity is 50%; the preset light intensity indicates a specific light intensity set in the test environment, which is used to simulate the light intensity under sunlight conditions; the preset time indicates a specific time period set in the test environment; the preset light intensity and preset time are obtained from a preset database, and are usually set according to the ISO 105-B02 standard to simulate different lighting conditions; the influence of external factors on the light fastness test results is reduced, thereby achieving an improvement in the accuracy of obtaining test results in the light fastness test of the textile print to be tested.

[0040] Furthermore, the specific process of the friction fastness test is: obtaining the influencing factors of the friction fastness test, which include pressure and number of frictions; measuring the color vividness value and print image information of the textile print to be tested in the third simulation environment and the fourth simulation environment respectively at a preset time point within a preset time period by using a colorimeter and an image acquisition device, thereby obtaining a friction-resistant color vividness sequence and a friction-resistant print image information sequence, the third simulation environment is used to simulate the friction fastness test of the textile print to be tested within different pressure ranges under a preset temperature, preset humidity and preset friction number, the fourth simulation environment is used to simulate the friction fastness test of the textile print to be tested under different friction numbers under a preset temperature, preset humidity and preset pressure, the friction-resistant color vividness sequence represents a collection of color vividness under the friction fastness test, and the friction-resistant print image information sequence represents a collection of print image information under the friction fastness test.

[0041] In this embodiment, the friction fastness indicates the ability of a textile print to maintain the original color and pattern of the print under friction; the preset temperature and preset humidity indicate specific temperature and humidity set in the test environment, which are used to simulate the temperature and humidity conditions of the textile print to be tested in actual use. Generally, the preset temperature is 25°C and the preset humidity is 50%; the preset number of frictions indicates a specific number of frictions set in the test environment; the preset pressure indicates a specific pressure set in the test environment; the preset number of frictions and the preset pressure are obtained from a preset database, and are usually set according to the GB / T3920-2008 standard to simulate different friction conditions; the influence of external factors on the friction fastness test results is reduced, thereby achieving an improvement in the accuracy of test results in the friction fastness test of the textile print to be tested.

[0042] Furthermore, the specific process of the sweat fastness test is: obtaining the influencing factors of the sweat fastness test, which include the concentration of artificial sweat and the soaking time; measuring the color vividness value and the print image information of the textile print to be tested in the fifth simulation environment and the sixth simulation environment respectively at a preset time point within a preset time period by using a colorimeter and an image acquisition device, thereby obtaining a sweat fastness color vividness sequence and a sweat fastness print image information sequence, the fifth simulation environment is used to simulate the sweat fastness test of the textile print to be tested within different artificial sweat concentration ranges at a preset temperature, a preset humidity and a preset time, the sixth simulation environment is used to simulate the sweat fastness test of the textile print to be tested in different time periods at a preset temperature, a preset humidity and a preset artificial sweat concentration, the sweat fastness color vividness sequence represents a collection of color vividness under the sweat fastness test, and the sweat fastness print image information sequence represents a collection of print image information under the sweat fastness test.

[0043] In this embodiment, the sweat fastness indicates the ability of a textile print to maintain the original color and pattern of the print under the action of sweat; the preset temperature and preset humidity indicate the specific temperature and humidity set in the test environment, which are used to simulate the temperature conditions and humidity conditions of the textile print to be tested in actual use. Generally, the preset temperature is 25°C and the preset humidity is 50%; the preset artificial sweat concentration indicates the specific artificial sweat concentration set in the test environment; the preset immersion time indicates the specific immersion time set in the test environment; the preset artificial sweat concentration and the preset immersion time are obtained from a preset database, and are usually set according to the GB / T 3922-1995 standard to simulate different sweat immersion conditions; the influence of external factors on the sweat fastness test results is reduced, thereby achieving an improvement in the accuracy of obtaining test results in the sweat fastness test of the textile print to be tested.

[0044] Furthermore, the specific process of the washing fastness test is: measuring the color vividness value and print image information of the textile print to be tested in the seventh simulation environment by using a colorimeter and an image acquisition device, thereby obtaining a washable color vividness sequence and a washable print image information sequence. The seventh simulation environment is used to simulate the wash fastness test of the textile print to be tested within a range of different washing times at a preset temperature and a preset humidity. The washable color vividness sequence represents a set of color vividness under the washing fastness test, and the washable print image information sequence represents a set of print image information under the washing fastness test.

[0045] In this embodiment, the water washing fastness indicates the ability of a textile print to maintain the original color and pattern of the print under the action of water washing; the preset temperature and preset humidity indicate the specific temperature and humidity set in the test environment, which are used to simulate the temperature conditions and humidity conditions of the textile print to be tested in actual use. Generally, the preset temperature is 25°C and the preset humidity is 50%; the influence of the water washing fastness test results caused by external factors is reduced, thereby improving the accuracy of obtaining the test results in the water washing fastness test of the textile print to be tested.

[0046] Furthermore, a specific method for obtaining the results of print fastness evaluation is as follows: obtaining a color vividness weight and a pattern integrity weight from a preset database; comparing the initial color vividness value of the textile print to be tested with the color vividness sequence, and obtaining a print fading coefficient through a colorimeter, wherein the color vividness sequence includes a lightfast color vividness sequence, a friction-resistant color vividness sequence, a sweat-resistant color vividness sequence, and a washing-resistant color vividness sequence; comparing the initial print image information of the textile print to be tested with the print image information sequence to obtain a print missing coefficient, and combining the print fading coefficient, the color vividness weight, and the pattern integrity weight to obtain the print fastness evaluation result, wherein the print fading coefficient is used to describe the degree of fading of the textile print to be tested, and the print missing coefficient is used to describe the degree of missing of the textile print to be tested; a specific method for obtaining the results of print fastness evaluation is as follows: obtaining a color vividness weight and a pattern integrity weight from a preset database, and the color vividness weight represents the effect of color vividness on the textile print. The weight of pattern integrity indicates the influence of pattern integrity on textile printing; the initial color vividness value of the textile printing to be tested is compared with the color vividness sequence, and the printing fading coefficient is obtained by a colorimeter. The color vividness sequence includes lightfast color vividness, friction-resistant color vividness sequence, sweat-resistant color vividness sequence and water-washing color vividness sequence; the initial printing image information of the textile printing to be tested is compared with the printing image information sequence to obtain the printing missing coefficient, and the printing fastness evaluation result is obtained by combining the printing fading coefficient, color vividness weight and pattern integrity weight. The printing image information sequence includes lightfast printing image information sequence, friction-resistant printing image information sequence, sweat-resistant printing image information sequence and water-washing printing image information sequence. The printing fading coefficient is used to describe the fading degree of the textile printing to be tested, and the printing missing coefficient is used to describe the missing degree of the textile printing to be tested; the printing fastness evaluation result is calculated by the following formula:

[0047] ;

[0048] Where a is the serial number of the textile print to be tested, , A is the total number of textile prints to be tested, b is the number of the print fastness test, , Indicates light fastness test, Indicates the rubbing fastness test. Indicates the perspiration fastness test. Indicates washing fastness test, It represents the print loss coefficient of the ath textile print to be tested in the bth print fastness test, It represents the fading coefficient of the ath textile print to be tested in the bth printing fastness test. It indicates the evaluation result of the printing fastness of the ath textile print to be tested in the bth printing fastness test. represents the color vividness weight, represents the pattern completeness weight, Indicates the reference coefficient of printing fading, Indicates the print missing reference coefficient.

[0049] In this embodiment, the color vividness weight , Pattern completeness weight , Printing fading reference coefficient , Print missing reference coefficient Taking 0.5 as an example, the statistical table of changes in the evaluation results of printing fastness is shown in Table 1:

[0050] Table 1 Statistics of changes in printing fastness evaluation results

[0051] Textile to be tested number a Printing fading coefficient Print missing coefficient Printing fastness evaluation results 1 0.178 0.738 0.000 2 0.693 0.133 0.000 3 0.156 0.036 0.995 4 0.487 0.016 0.969 5 0.435 0.414 0.916

[0052] From Table 1, it can be seen that if the first group of print missing coefficients is greater than the set print missing reference coefficient, it means that the print fastness evaluation result is 0, and if the second group of print fading coefficients is greater than the set print fading reference coefficient, it means that the print fastness evaluation result is 0; as for the third group of data, the smaller the print fading coefficient and the print missing coefficient are, the greater the print fastness evaluation result is; in general, the print fastness evaluation result is inversely proportional to the print fading coefficient and the print missing coefficient. The specific situation is compared according to the calculation results of the corresponding data, and the corresponding division coefficient relationship cannot be estimated based on the size of a single independent variable; the print fading reference coefficient is obtained from the preset database and is an indicator for quantitatively evaluating the degree of fading of the textile print to be tested under specific conditions; the print missing reference coefficient is obtained from the preset database and is an indicator for quantitatively evaluating the integrity of the printed pattern on the textile print to be tested;

[0053] Specifically, the print missing coefficient is calculated by the following formula:

[0054] ;

[0055] Where a is the serial number of the textile print to be tested, , A is the total number of textile prints to be tested, b is the number of the print fastness test, , Indicates light fastness test, Indicates the rubbing fastness test. Indicates the perspiration fastness test. Indicates washing fastness test, It represents the print loss coefficient of the ath textile print to be tested in the bth print fastness test, It represents the minimum value of pixels in the print image information sequence of the ath textile print to be tested in the bth print fastness test. It represents the initial print image information pixel point of the ath textile print to be tested; it realizes the digitization of the print fastness evaluation result, more intuitively describes the difference in the print fastness of the textile prints to be tested, and thus improves the evaluation accuracy of the print fastness evaluation results of the textile prints to be tested.

[0056] Specifically, Figure 2 As shown, it is a schematic diagram of the change of the print missing coefficient provided in the embodiment of the present application, that is, the minimum value of the pixel in the print image information sequence is negatively correlated with the print missing coefficient, and the initial print image information pixel is positively correlated with the print missing coefficient; it can be seen from the figure that the print missing coefficient varies between 0 and 1, and the initial print image information pixel is greater than the minimum value of the pixel in the print image information sequence; the larger the minimum value of the pixel in the print image information sequence, the smaller the print missing coefficient; the larger the initial print image information pixel, the larger the print missing coefficient.

[0057] Specifically, the color vividness weight is obtained from a preset database. In a specific embodiment, the relationship between the print fading coefficient of the textile print to be tested and the print fastness evaluation result is fitted by the initial color vividness value of the textile print to be tested and the corresponding color vividness sequence after the fastness test to obtain a fitting curve, and the real-time print fading coefficient of the textile print to be tested after the fastness test is obtained according to the fitting curve to determine the corresponding color vividness weight.

[0058] Specifically, the pattern integrity weight is obtained from a preset database. In a specific embodiment, the relationship between the print missing coefficient of the textile print to be tested and the print fastness evaluation result is fitted by using the initial image information data of the textile print to be tested and the corresponding print image information sequence after the fastness test to obtain a fitting curve, and the real-time print missing coefficient of the textile to be tested after the fastness test is obtained according to the fitting curve to determine the corresponding pattern integrity weight.

[0059] Furthermore, the specific method for obtaining the comprehensive evaluation result of printing fastness is as follows: obtaining the evaluation weight from the preset database, the evaluation weight includes the light fastness test weight, the rubbing fastness test weight, the perspiration fastness test weight and the washing fastness test weight, the light fastness test weight indicates the influence of the light fastness test on the textile printing to be tested, the rubbing fastness test weight indicates the influence of the rubbing fastness test on the textile printing to be tested, the perspiration fastness test weight indicates the influence of the perspiration fastness test on the textile printing to be tested, and the washing fastness test weight indicates the influence of the washing fastness test on the textile printing to be tested; combining the printing fastness evaluation results corresponding to the light fastness test, the perspiration fastness test, the rubbing fastness test and the washing fastness test to obtain the comprehensive evaluation result of printing fastness, and the comprehensive evaluation result of printing fastness is calculated by the following formula:

[0060] ;

[0061] Where a is the serial number of the textile print to be tested, , A is the total number of textile prints to be tested, b is the number of the print fastness test, , Indicates light fastness test, Indicates the rubbing fastness test. Indicates the perspiration fastness test. Indicates washing fastness test, is the comprehensive evaluation result of the printing fastness of the ath textile print to be tested, is the evaluation result of the printing fastness of the ath textile print to be tested in the light fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the rubbing fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the perspiration fastness test. is the evaluation result of the printing fastness of the ath textile print to be tested in the washing fastness test, Weight for light fastness test, Weights for rubbing fastness test, Weights for perspiration fastness test, Weights for washing fastness testing.

[0062] Specifically, the light fastness test weight is obtained from a preset database. In a specific embodiment, the relationship between the print fastness evaluation result in the light fastness test of the textile print to be tested and the corresponding comprehensive evaluation result of print fastness is fitted by using the print fastness evaluation result in the light fastness test of the textile print to be tested and the initial print information data to obtain a fitting curve, and the corresponding light fastness test weight is determined based on the real-time print fastness evaluation result in the light fastness test of the textile to be tested.

[0063] Specifically, the friction fastness test weight is obtained from a preset database. In a specific embodiment, the relationship between the evaluation result of the printing fastness in the friction fastness test of the textile printing to be tested and the corresponding comprehensive evaluation result of the printing fastness is fitted by the evaluation result of the printing fastness in the friction fastness test of the textile printing to be tested and the initial printing information data to obtain a fitting curve, and the corresponding friction fastness test weight is determined according to the real-time evaluation result of the printing fastness in the friction fastness test of the textile printing to be tested.

[0064] Specifically, the sweat fastness test weight is obtained from a preset database. In a specific embodiment, the relationship between the print fastness evaluation result in the sweat fastness test of the textile print to be tested and the corresponding comprehensive evaluation result of print fastness is fitted by the print fastness evaluation result in the sweat fastness test of the textile print to be tested and the initial print information data to obtain a fitting curve, and the corresponding sweat fastness test weight is determined by obtaining the real-time print fastness evaluation result in the sweat fastness test of the textile to be tested according to the fitting curve.

[0065] Specifically, the washing fastness test weight is obtained from a preset database. In a specific embodiment, the relationship between the printing fastness evaluation result in the washing fastness test of the textile print to be tested and the corresponding comprehensive evaluation result of printing fastness is fitted by using the printing fastness evaluation result in the washing fastness test of the textile print to be tested and the initial printing information data to obtain a fitting curve, and the corresponding washing fastness test weight is determined based on the real-time printing fastness evaluation result in the washing fastness test of the textile to be tested.

[0066] In this embodiment, the comprehensive evaluation result of printing fastness represents the overall evaluation result of the printing fastness of the textile print to be tested after all tests; the printing fastness evaluation result represents the separate evaluation result obtained for each test type of the textile print to be tested; the comprehensive evaluation result of printing fastness is visualized, and the differences in the printing fastness of the textiles to be tested can be observed more intuitively, thereby achieving an improvement in the correlation in the evaluation process of the comprehensive evaluation result of printing fastness of the textile print fastness.

[0067] like Figure 3As shown, it is a structural schematic diagram of a testing system for textile printing fastness provided by an embodiment of the present application. The testing system for textile printing fastness provided by an embodiment of the present application comprises: a data acquisition module, a printing fastness testing module, an evaluation database building module and a comprehensive evaluation module; wherein the data acquisition module is used to collect the textile printing to be detected in real time, pre-process the textile printing to be detected to obtain initial printing information data, and use a sensor to collect environmental information of the textile printing test to be detected; the printing fastness testing module is used to classify the initial printing information data according to a preset printing test classification index to obtain a printing fastness test classification result, and classify the printing fastness test result according to the printing fastness test index. The trial classification results are used to conduct a printing fastness test on the textile prints to be tested to obtain printing fastness test results, and the printing test includes a light fastness test, a friction fastness test, a perspiration fastness test and a washing fastness test; the evaluation database construction module is used to establish an evaluation database according to the initial printing information data and the printing fastness test results, and the evaluation database is used to compare the initial printing information data and the printing fastness test results to obtain a printing fastness evaluation result, and the printing fastness evaluation result is used to numerically describe the degree of fading and loss of the textile prints to be tested; the comprehensive evaluation module is used to conduct a comprehensive evaluation of the printing fastness of the textile prints to be tested according to the printing fastness evaluation results to obtain a comprehensive printing fastness evaluation result.

[0068] In this embodiment, the sensor is only one of the textile printing fastness testing devices, and other devices are also included, such as a colorimeter and an image acquisition device; thereby, an instantiation of a testing system for textile printing fastness is realized.

[0069] An embodiment of the present application also provides a computer-readable storage medium for storing a program, which, when executed by a processor, implements a testing method for textile printing fastness.

[0070] In this embodiment, the functions that the program needs to implement include collecting initial printing information data, classifying printing fastness tests on textile prints to be tested, and obtaining printing fastness evaluation results of textile prints to be tested, thereby improving the accuracy of data acquisition on textile printing fastness.

[0071] To sum up, the embodiment of the present application obtains initial printing information data and environmental information by collecting the textile print to be tested, and performs a printing fastness test on the textile print to be tested, thereby obtaining a printing fastness evaluation result and a printing fastness comprehensive evaluation result, thereby effectively reducing the influence of external factors on the textile printing fastness test, and further achieving an improvement in the correlation between the test accuracy of the textile printing fastness and the test process, effectively solving the problem of low correlation between the test accuracy of the textile printing fastness and the test process in the prior art.

[0072] It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0073] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0074] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0075] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process in the computer or other programmable device. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0076] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0077] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for testing the fastness of textile printing, characterized in that: The following steps are involved: S1, collecting the textile prints to be tested in real time, pre-processing the textile prints to be tested to obtain initial print information data, and using sensors to collect environmental information of the textile print test to be tested; S2, performing a printing fastness test classification on the initial printing information data according to a preset printing test classification index to obtain a printing fastness test classification result, and performing a printing fastness test on the textile print to be tested according to the printing fastness test classification result to obtain a printing fastness test result; S3, obtaining a printing fastness evaluation result according to the initial printing information data and the printing fastness test result, wherein the printing fastness evaluation result is used to numerically describe the degree of fading and loss of the printing on the textile to be tested; S4, performing a comprehensive evaluation on the printing fastness of the textile to be tested according to the printing fastness evaluation result to obtain a comprehensive evaluation result of the printing fastness; The initial printing information data includes the initial color vividness value and printing image information of the textile printing to be detected; The specific method for obtaining the initial stamp information data is: Performing a washing operation on the textile print to be tested, wherein the washing operation is used to reduce the influence of impurities in the textile print to be tested on the print fastness test; Measuring the initial color vividness value of the textile print to be tested by a colorimeter; Measuring the printing image information of the textile printing to be inspected by an image acquisition device; The printing test classification is used to divide the textile prints to be tested according to the printing materials. The printing test includes light fastness test, rubbing fastness test, perspiration fastness test and washing fastness test. The light fastness test is used to obtain the printing fastness test result of the textile prints to be tested under long-term light exposure. The rubbing fastness test is used to obtain the printing fastness test result of the textile prints to be tested under the action of friction. The perspiration fastness test is used to obtain the printing fastness test result of the textile prints to be tested under the action of sweat. The washing fastness test is used to obtain the printing fastness test result of the textile prints to be tested after multiple washings. The printing fastness test result includes the color vividness value and printing image information of the textile prints to be tested obtained through the printing fastness test; The print fastness evaluation result is used to numerically describe the degree of fading and loss of the print on the textile to be tested; The specific method for obtaining the printing fastness evaluation result is as follows: Obtain color vividness weight and pattern completeness weight from a preset database; The initial color vividness value of the textile print to be tested is compared with the color vividness sequence, and the fading coefficient of the print is obtained by a colorimeter, wherein the color vividness sequence includes a lightfastness color vividness sequence, a friction-fastness color vividness sequence, a sweat-fastness color vividness sequence, and a washing-fastness color vividness sequence; The initial print image information of the textile print to be tested is compared with the print image information sequence to obtain a print missing coefficient, and the print fastness evaluation result is obtained by combining the print fading coefficient, the color vividness weight and the pattern integrity weight. The print fading coefficient is used to describe the fading degree of the textile print to be tested, and the print missing coefficient is used to describe the missing degree of the textile print to be tested; The printing fastness evaluation result is calculated by the following formula: ； Where a is the serial number of the textile print to be tested, , A is the total number of textile prints to be tested, b is the number of the print fastness test, , Indicates light fastness test, Indicates the rubbing fastness test. Indicates the perspiration fastness test. Indicates washing fastness test, It represents the print loss coefficient of the ath textile print to be tested in the bth print fastness test, It represents the fading coefficient of the ath textile print to be tested in the bth printing fastness test. It indicates the evaluation result of the printing fastness of the ath textile print to be tested in the bth printing fastness test. represents the color vividness weight, represents the pattern completeness weight, Indicates the reference coefficient of printing fading, Indicates the reference coefficient of missing prints; The comprehensive evaluation result of printing fastness is used to comprehensively describe the printing fastness of the textile print to be tested; The specific method for obtaining the comprehensive evaluation result of printing fastness is as follows: Obtaining evaluation weights from a preset database, wherein the evaluation weights include a light fastness test weight, a rubbing fastness test weight, a perspiration fastness test weight, and a washing fastness test weight; The comprehensive evaluation result of printing fastness is obtained by combining the evaluation results of printing fastness corresponding to the light fastness test, the perspiration fastness test, the rubbing fastness test and the washing fastness test. The comprehensive evaluation result of printing fastness is calculated by the following formula: ； In the formula, is the comprehensive evaluation result of the printing fastness of the ath textile print to be tested, is the evaluation result of the printing fastness of the ath textile print to be tested in the light fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the rubbing fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the perspiration fastness test. is the evaluation result of the printing fastness of the ath textile print to be tested in the washing fastness test, Weight for light fastness test, Weights for rubbing fastness test, Weights for perspiration fastness test, Weights for washing fastness testing.

2. The method for testing the printing fastness of textiles as claimed in claim 1, characterized in that: The printing test includes light fastness test, rubbing fastness test, perspiration fastness test and washing fastness test. The specific process of the light fastness test is as follows: Obtaining factors affecting light fastness test, wherein the factors affecting light fastness test include light intensity and light duration; At preset time points within a preset time period, the color vividness values ​​and print image information of the textile print to be tested in the first simulation environment and the second simulation environment are measured by a colorimeter and an image acquisition device, thereby obtaining a lightfast color vividness sequence and a lightfast print image information sequence.

3. The method for testing the printing fastness of textiles as claimed in claim 2, characterized in that: The specific process of the rubbing fastness test is: Obtaining factors affecting the rubbing fastness test, wherein the factors affecting the rubbing fastness test include pressure and number of rubbing times; At preset time points within a preset time period, the color vividness values ​​and print image information of the textile print to be tested in the third simulation environment and the fourth simulation environment are measured by a colorimeter and an image acquisition device, thereby obtaining a friction-resistant color vividness sequence and a friction-resistant print image information sequence.

4. The method for testing the printing fastness of textiles as claimed in claim 2, characterized in that: The specific process of the perspiration fastness test is as follows: Obtaining influencing factors of a perspiration fastness test, wherein the influencing factors of a perspiration fastness test include artificial sweat concentration and soaking time; At preset time points within a preset time period, the color vividness values ​​and print image information of the textile print to be tested in the fifth simulation environment and the sixth simulation environment are measured by a colorimeter and an image acquisition device, thereby obtaining a sweat-resistant color vividness sequence and a sweat-resistant print image information sequence.

5. The method for testing the printing fastness of textiles as claimed in claim 2, characterized in that: The specific process of the washing fastness test is: The colorimeter and the image acquisition device are used to measure the color vividness value and the printing image information of the textile print to be tested in the seventh simulation environment, thereby obtaining the washable color vividness sequence and the washable printing image information sequence.

6. A testing system for textile printing fastness, characterized in that: The testing system for textile printing fastness comprises: a data acquisition module, a printing fastness testing module, an evaluation database building module and a comprehensive evaluation module; The data acquisition module is used to collect the textile prints to be detected in real time, pre-process the textile prints to be detected to obtain initial print information data, and use sensors to collect environmental information of the textile print test to be detected; The printing fastness test module is used to perform a printing fastness test classification on the initial printing information data according to a preset printing test classification index to obtain a printing fastness test classification result, and perform a printing fastness test on the textile print to be tested according to the printing fastness test classification result to obtain a printing fastness test result; The evaluation database construction module is used to establish an evaluation database according to the initial printing information data and the printing fastness test results, and the evaluation database is used to compare the initial printing information data and the printing fastness test results to obtain a printing fastness evaluation result, and the printing fastness evaluation result is used to numerically describe the degree of fading and loss of the textile printing to be tested; The comprehensive evaluation module is used to comprehensively evaluate the printing fastness of the textile to be tested according to the printing fastness evaluation result to obtain a comprehensive evaluation result of printing fastness; The initial printing information data includes the initial color vividness value and printing image information of the textile printing to be detected; The specific method for obtaining the initial stamp information data is: Performing a washing operation on the textile print to be tested, wherein the washing operation is used to reduce the influence of impurities in the textile print to be tested on the print fastness test; Measuring the initial color vividness value of the textile print to be tested by a colorimeter; Measuring the printing image information of the textile printing to be inspected by an image acquisition device; The printing test classification is used to divide the textile prints to be tested according to the printing materials. The printing test includes light fastness test, rubbing fastness test, perspiration fastness test and washing fastness test. The light fastness test is used to obtain the printing fastness test result of the textile prints to be tested under long-term light exposure. The rubbing fastness test is used to obtain the printing fastness test result of the textile prints to be tested under the action of friction. The perspiration fastness test is used to obtain the printing fastness test result of the textile prints to be tested under the action of sweat. The washing fastness test is used to obtain the printing fastness test result of the textile prints to be tested after multiple washings. The printing fastness test result includes the color vividness value and printing image information of the textile prints to be tested obtained through the printing fastness test; The print fastness evaluation result is used to numerically describe the degree of fading and loss of the print on the textile to be tested; The specific method for obtaining the printing fastness evaluation result is as follows: Obtain color vividness weight and pattern completeness weight from a preset database; The initial color vividness value of the textile print to be tested is compared with the color vividness sequence, and the fading coefficient of the print is obtained by a colorimeter, wherein the color vividness sequence includes a lightfastness color vividness sequence, a friction-fastness color vividness sequence, a sweat-fastness color vividness sequence, and a washing-fastness color vividness sequence; The initial print image information of the textile print to be tested is compared with the print image information sequence to obtain a print missing coefficient, and the print fastness evaluation result is obtained by combining the print fading coefficient, the color vividness weight and the pattern integrity weight. The print fading coefficient is used to describe the fading degree of the textile print to be tested, and the print missing coefficient is used to describe the missing degree of the textile print to be tested; The printing fastness evaluation result is calculated by the following formula: ； Where a is the serial number of the textile print to be tested, , A is the total number of textile prints to be tested, b is the number of the print fastness test, , Indicates light fastness test, Indicates the rubbing fastness test. Indicates the perspiration fastness test. Indicates washing fastness test, It represents the print loss coefficient of the ath textile print to be tested in the bth print fastness test, It represents the fading coefficient of the ath textile print to be tested in the bth printing fastness test. It indicates the evaluation result of the printing fastness of the ath textile print to be tested in the bth printing fastness test. represents the color vividness weight, represents the pattern completeness weight, Indicates the reference coefficient of printing fading, Indicates the reference coefficient of missing prints; The comprehensive evaluation result of printing fastness is used to comprehensively describe the printing fastness of the textile print to be tested; The specific method for obtaining the comprehensive evaluation result of printing fastness is as follows: Obtaining evaluation weights from a preset database, wherein the evaluation weights include a light fastness test weight, a rubbing fastness test weight, a perspiration fastness test weight, and a washing fastness test weight; The comprehensive evaluation result of printing fastness is obtained by combining the evaluation results of printing fastness corresponding to the light fastness test, the perspiration fastness test, the rubbing fastness test and the washing fastness test. The comprehensive evaluation result of printing fastness is calculated by the following formula: ； In the formula, is the comprehensive evaluation result of the printing fastness of the ath textile print to be tested, is the evaluation result of the printing fastness of the ath textile print to be tested in the light fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the rubbing fastness test, is the evaluation result of the printing fastness of the ath textile print to be tested in the perspiration fastness test. is the evaluation result of the printing fastness of the ath textile print to be tested in the washing fastness test, Weight for light fastness test, Weights for rubbing fastness test, Weights for perspiration fastness test, Weights for washing fastness testing.

7. A computer-readable storage medium for storing a program, wherein when the program is executed by a processor, the testing method for textile printing fastness according to any one of claims 1 to 5 is implemented.

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