Clothing flame retardant property detection method and system

Abstract

The invention discloses a garment flame retardant performance detection method and system, relates to the technical field of garment performance detection.The problem that an existing garment flame retardant performance detection method is poor in detection effect.The garment flame retardant performance detection method comprises the steps that S1, a transverse combustion index value and a longitudinal combustion index value are obtained respectively, and garment combustion index data are obtained; s2, combustion smoke detection is conducted on the target flame-retardant garment, the periodic accumulated combustion smoke amount, the periodic average smoke concentration value and the combustion peak smoke concentration value are obtained, and a garment combustion smoke index value is obtained through analysis; and S3, according to the clothing combustion index data and the clothing combustion smoke index value, acquiring a clothing flame-retardant comprehensive detection coefficient, and performing performance evaluation on the target flame-retardant clothing by analyzing the clothing flame-retardant comprehensive detection coefficient. According to the invention, the accuracy and comprehensiveness of the clothing flame-retardant performance detection method can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of clothing performance detection, relates to flame retardant detection technology, and specifically provides a method and system for detecting the flame retardant performance of clothing. Background Art

[0002] The existing flame retardant performance testing methods for clothing have the following specific defects when testing flame retardant performance: 1. The existing flame retardant performance testing methods for clothing often directly ignite the flame retardant clothing and use the burning time of the clothing as the only testing indicator, which leads to the lack of accuracy of the test results; 2. Existing flame retardant performance testing methods for clothing often only test the flame retardant effect when testing the flame retardant performance, and usually ignore the smoke produced by combustion, thus failing to truly reflect the comprehensive performance of clothing fabrics in fire scenes.

[0003] Therefore, we propose a method and system for detecting the flame retardant properties of clothing. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a method and system for detecting the flame retardant performance of clothing. The present invention is based on dividing the target flame retardant clothing into a first combustion test sample and a second combustion test sample of equal area, performing a transverse flame retardant detection on the first combustion test sample to obtain a transverse combustion index value, performing a longitudinal flame retardant detection on the second combustion test sample to obtain a longitudinal combustion index value, defining the transverse combustion index value and the longitudinal combustion index value as clothing combustion index data, performing a combustion smoke detection on the target flame retardant clothing, and respectively obtaining a periodic cumulative combustion smoke volume, a periodic average smoke concentration value and a combustion peak smoke concentration value, analyzing to obtain a clothing combustion smoke index value, obtaining a clothing flame retardant comprehensive detection coefficient according to the clothing combustion index data and the clothing combustion smoke index value, obtaining a clothing flame retardant comprehensive detection coefficient threshold value and a clothing flame retardant comprehensive detection coefficient for numerical comparison, and performing a performance evaluation on the target flame retardant clothing according to the numerical comparison result.

[0005] In order to achieve the above object, the present invention adopts the following technical scheme: a method for detecting the flame retardant performance of clothing, comprising the following specific steps: Step S1: Divide the target flame-retardant clothing into a first combustion test sample and a second combustion test sample of equal area, perform a transverse flame-retardant test on the first combustion test sample to obtain a transverse combustion index value, perform a longitudinal flame-retardant test on the second combustion test sample to obtain a longitudinal combustion index value, and define the transverse combustion index value and the longitudinal combustion index value as clothing combustion index data; Step S2: Perform combustion smoke detection on the target flame-retardant clothing, and obtain the periodic cumulative combustion smoke volume, the periodic average smoke concentration value, and the combustion peak smoke concentration value, and analyze to obtain the clothing combustion smoke index value; Step S3: Obtain the comprehensive flame retardant detection coefficient of clothing according to the clothing combustion index data and the clothing combustion smoke index value, obtain the comprehensive flame retardant detection coefficient threshold of clothing and perform numerical comparison with the comprehensive flame retardant detection coefficient of clothing, and perform performance evaluation on the target flame retardant clothing according to the numerical comparison result.

[0006] Furthermore, the step S1 further includes the following specific steps: Step S11: Divide the target flame-retardant clothing into two combustion test samples with equal areas, and name them as a first combustion test sample and a second combustion test sample respectively; Step S12: performing a combustion test on the first combustion sample and obtaining a lateral combustion index value; Step S13: performing a combustion test on the second combustion sample and obtaining a longitudinal combustion index value; Step S14: defining the horizontal burning index value and the vertical burning index value as clothing burning index data.

[0007] Furthermore, the step S12 further includes the following specific steps: Step S121: placing the first combustion sample horizontally on a horizontal table, marking a horizontal combustion ignition line at the bottom of the first combustion sample, and making a plurality of straight lines parallel to the horizontal combustion ignition line in the first combustion sample to obtain the first horizontal parallel line to the bth horizontal parallel line; Step S122: dividing the first combustion sample into a plurality of transverse combustion test areas through the first transverse parallel line to the bth transverse parallel line; Step S123: obtaining the distance between each transverse combustion test area and the transverse combustion ignition line, obtaining a plurality of transverse ignition distance values, and naming the plurality of transverse combustion test areas from the first transverse combustion test area to the ath transverse combustion test area according to the transverse ignition distance values ​​from small to large; Step S124: obtaining area values ​​corresponding to the first transverse combustion test area to the ath transverse combustion test area, and obtaining area values ​​of the first transverse area to the ath transverse area; Step S125: marking the time of igniting the horizontal combustion ignition line as the reference horizontal ignition time value, obtaining the time value from the flame burning to the first horizontal parallel line to the bth horizontal parallel line, and obtaining the first horizontal ignition time value to the bth horizontal ignition time value; Step S126: Calculate the first horizontal region area value to the ath horizontal region area value, the first horizontal ignition time value to the bth horizontal ignition time value, and the reference horizontal ignition time value to obtain a horizontal combustion index value; The horizontal combustion index value is obtained as follows: ; Among them, Hrz is the transverse combustion index value, Hmz1 to Hmza are the area values ​​of the first transverse region to the ath transverse region respectively, Hqd1 to Hqdb are the first transverse ignition time values ​​to the bth transverse ignition time values ​​respectively, Hqdj is the reference transverse ignition time value, and a is the quantity value corresponding to the transverse combustion test area.

[0008] Furthermore, the step S13 further includes the following specific steps: Step S131: vertically placing the second combustion sample on a vertical plane, marking the bottom of the first combustion sample as a longitudinal combustion ignition line, and making a plurality of straight lines parallel to the longitudinal combustion ignition line in the second combustion sample to obtain the first longitudinal parallel line to the dth longitudinal parallel line; Step S132: dividing the first combustion sample into a plurality of longitudinal combustion test areas through the first longitudinal parallel line to the dth longitudinal parallel line; Step S133: obtaining the distance between each longitudinal combustion test area and the longitudinal combustion ignition line, obtaining a plurality of longitudinal ignition distance values, and naming the plurality of longitudinal combustion test areas from the first longitudinal combustion test area to the cth longitudinal combustion test area according to the longitudinal ignition distance values ​​from small to large; Step S134: obtaining area values ​​corresponding to the first longitudinal combustion test area to the cth longitudinal combustion test area, respectively, to obtain area values ​​of the first longitudinal area to the cth longitudinal area; Step S135: marking the time of igniting the longitudinal combustion ignition line as the reference longitudinal ignition time value, obtaining the time value from the flame burning to the first longitudinal parallel line to the d-th longitudinal parallel line, and obtaining the first longitudinal ignition time value to the d-th longitudinal ignition time value; Step S136: Calculate the longitudinal combustion index value by combining the first longitudinal region area value to the cth longitudinal region area value, the first longitudinal ignition time value to the dth longitudinal ignition time value, and the reference longitudinal ignition time value; The longitudinal combustion index value is obtained as follows: ; Among them, Zrz is the longitudinal combustion index value, Zmz1 to Zmzc are the area values ​​of the first longitudinal region to the cth longitudinal region respectively, Zqd1 to Zqdd are the first longitudinal ignition time values ​​to the dth longitudinal ignition time values ​​respectively, Zqdj is the reference longitudinal ignition time value, and c is the quantity value corresponding to the longitudinal combustion test area.

[0009] Furthermore, the step S2 further includes the following specific steps: Step S21: obtaining a target flame-retardant garment per unit area, and dividing the target flame-retardant garment per unit area into a plurality of smoke monitoring sample garments of equal area, and randomly selecting a sample garment from the plurality of smoke monitoring sample garments obtained as a feature sample garment; Step S22: performing combustion smoke detection on the characteristic sample clothing to obtain the combustion smoke coefficient corresponding to the characteristic sample clothing; Step S23: Repeat step S22 to obtain the combustion smoke coefficient corresponding to each smoke monitoring sample clothing respectively, obtain multiple combustion smoke coefficients, and average the obtained multiple combustion smoke coefficients to obtain the clothing combustion smoke index value.

[0010] Furthermore, the step S22 further includes the following specific steps: Step S221: ignite the characteristic sample clothing in a laboratory environment, mark the time value corresponding to the ignition moment of the characteristic sample clothing as a first characteristic time point, and mark the time value corresponding to the end of burning of the characteristic sample clothing as a second characteristic time point; Step S222: marking the period between the first characteristic time point and the second characteristic time point as a combustion smoke detection period; Step S223: Obtain the cumulative amount of burning smoke generated by the characteristic sample clothing during the burning smoke detection period to obtain the cumulative burning smoke amount during the period; Step S224: randomly selecting a number of smoke detection time points within the combustion smoke detection cycle, obtaining a numerical value of the smoke concentration corresponding to each smoke detection time point, obtaining a plurality of combustion smoke concentration values, and averaging the obtained plurality of combustion smoke concentration values ​​to obtain a period average smoke concentration value; Step S225: comparing the obtained multiple combustion smoke concentration values, and marking the combustion smoke concentration value with the largest value as the combustion peak smoke concentration value; Step S226: Calculate the periodic cumulative combustion smoke volume, the periodic average smoke density value, and the combustion peak smoke density value to obtain the combustion smoke coefficient corresponding to the characteristic sample clothing; The combustion smoke coefficient corresponding to the characteristic sample clothing is calculated, and the specific formula is as follows: ; Among them, Ywx is the combustion smoke coefficient corresponding to the characteristic sample clothing, Ywl is the cumulative combustion smoke volume of the period, Ywp is the average smoke concentration value of the period, and Ywf is the peak combustion smoke concentration value.

[0011] Furthermore, the step S3 further includes the following specific steps: Step S31: obtaining clothing combustion index data, obtaining a horizontal combustion index value and a vertical combustion index value according to the clothing combustion index data, and obtaining a clothing combustion smoke index value; Step S32: Calculating the horizontal burning index value, the vertical burning index value and the clothing burning smoke index value to obtain the clothing flame retardant comprehensive detection coefficient; The comprehensive flame retardant test coefficient of clothing is calculated, and the formula is as follows: ; Among them, Zxn is the comprehensive detection coefficient of clothing flame retardancy, Hrz is the horizontal burning index value, Zrz is the vertical burning index value, and Ywb is the clothing burning smoke index value; Step S33: Obtaining a comprehensive flame retardant detection coefficient threshold of clothing; Step S34: numerically compare the clothing flame retardant comprehensive detection coefficient threshold with the clothing flame retardant comprehensive detection coefficient, and perform performance evaluation on the target flame retardant clothing according to the numerical comparison result.

[0012] Furthermore, the step S33 further includes the following specific steps: Step S331: respectively obtaining a horizontal burning index threshold and a vertical burning index threshold, and obtaining a clothing burning smoke index threshold; Step S332: Calculating the horizontal burning index threshold, the vertical burning index threshold, and the clothing burning smoke index threshold to obtain a clothing flame retardant comprehensive detection coefficient threshold; The threshold of comprehensive flame retardant detection coefficient of clothing is calculated, and the formula is as follows: ; Among them, Zxyn is the threshold of the comprehensive detection coefficient of clothing flame retardancy, Hrzy is the threshold of the transverse burning index value, Zrzy is the threshold of the longitudinal burning index value, and Ywby is the threshold of the clothing burning smoke index value.

[0013] Furthermore, the step S34 further includes the following specific steps: Step S341: when the flame retardant comprehensive detection coefficient of the clothing is greater than or equal to the flame retardant comprehensive detection coefficient threshold of the clothing, it is determined that the flame retardant performance test of the target flame retardant clothing is qualified; Step S342: When the flame retardant comprehensive detection coefficient of the clothing is less than the flame retardant comprehensive detection coefficient threshold of the clothing, it is determined that the flame retardant performance test of the target flame retardant clothing fails.

[0014] A clothing flame retardant performance detection system, the flame retardant performance detection system comprising: Combustion data module: used to divide the target flame-retardant clothing into a first combustion test sample and a second combustion test sample of equal area, perform a transverse flame-retardant test on the first combustion test sample to obtain a transverse combustion index value, perform a longitudinal flame-retardant test on the second combustion test sample to obtain a longitudinal combustion index value, and define the transverse combustion index value and the longitudinal combustion index value as clothing combustion index data; Smoke data module: used to detect the burning smoke of the target flame-retardant clothing, and obtain the cumulative burning smoke volume, the average smoke concentration value of the period, and the peak smoke concentration value of the combustion, and analyze the clothing burning smoke index value; Performance detection module: used to obtain the comprehensive flame retardant detection coefficient of clothing according to the clothing combustion index data and the clothing combustion smoke index value, and obtain the comprehensive flame retardant detection coefficient threshold of clothing for numerical comparison with the comprehensive flame retardant detection coefficient of clothing, and evaluate the performance of the target flame retardant clothing according to the numerical comparison results.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. The present invention divides the target flame-retardant clothing into a first combustion test sample and a second combustion test sample of equal area, performs a transverse flame-retardant test on the first combustion test sample to obtain a transverse combustion index value, and performs a longitudinal flame-retardant test on the second combustion test sample to obtain a longitudinal combustion index value, which can ensure the accuracy of the flame-retardant test results of the clothing; 2. The present invention performs combustion smoke detection on the target flame-retardant clothing, and obtains the periodic cumulative combustion smoke volume, the periodic average smoke concentration value and the combustion peak smoke concentration value respectively, and analyzes the clothing combustion smoke index value, which can improve the comprehensiveness of the flame-retardant result detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0017] Figure 1 is the overall system block diagram of the present invention; Figure 2 It is a diagram of the implementation steps of the present invention; Figure 3 is a schematic diagram of a first combustion sample of the present invention; Figure 4 It is a schematic diagram of a second combustion sample of the present invention. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1 See also Figure 1 The present invention provides a technical solution: a method for detecting the flame retardant performance of clothing, comprising the following specific steps: Step S1: respectively obtaining a horizontal burning index value and a vertical burning index value to obtain clothing burning index data; Step S11: Divide the target flame-retardant clothing into two combustion test samples with equal areas, and name them as a first combustion test sample and a second combustion test sample respectively; Step S12: performing a combustion test on the first combustion sample and obtaining a lateral combustion index value; The step S12 further includes the following specific steps: Step S121: Please refer to Figure 3 , in the first combustion sample, it is placed horizontally on a horizontal table, a horizontal combustion ignition line is marked at the bottom of the first combustion sample, and multiple straight lines parallel to the horizontal combustion ignition line are drawn in the first combustion sample to obtain the first to bth horizontal parallel lines, and the interval between each two consecutive horizontal parallel lines is equal; Step S122: dividing the first combustion sample into a plurality of transverse combustion test areas through the first transverse parallel line to the bth transverse parallel line; Step S123: obtaining the distance between each transverse combustion test area and the transverse combustion ignition line, obtaining a plurality of transverse ignition distance values, and naming the plurality of transverse combustion test areas from the first transverse combustion test area to the ath transverse combustion test area according to the transverse ignition distance values ​​from small to large; Step S124: obtaining area values ​​corresponding to the first transverse combustion test area to the ath transverse combustion test area, and obtaining area values ​​of the first transverse area to the ath transverse area; Step S125: marking the time of igniting the horizontal combustion ignition line as the reference horizontal ignition time value, obtaining the time value from the flame burning to the first horizontal parallel line to the bth horizontal parallel line, and obtaining the first horizontal ignition time value to the bth horizontal ignition time value; Step S126: Calculate the first horizontal region area value to the ath horizontal region area value, the first horizontal ignition time value to the bth horizontal ignition time value, and the reference horizontal ignition time value to obtain a horizontal combustion index value; The horizontal combustion index value is obtained as follows: ; Among them, Hrz is the transverse combustion index value, Hmz1 to Hmza are respectively the area values ​​of the first transverse region to the ath transverse region, Hqd1 to Hqdb are respectively the first transverse ignition time values ​​to the bth transverse ignition time values, Hqdj is the reference transverse ignition time value, and a is the number value corresponding to the transverse combustion test area; Step S13: performing a combustion test on the second combustion sample and obtaining a longitudinal combustion index value; The step S13 further includes the following specific steps: Step S131: Please refer to Figure 4 , placed vertically on a vertical plane in the second combustion sample, a longitudinal combustion ignition line is marked at the bottom of the first combustion sample, and multiple straight lines parallel to the longitudinal combustion ignition line are drawn in the second combustion sample to obtain the first longitudinal parallel line to the dth longitudinal parallel line; Step S132: dividing the first combustion sample into a plurality of longitudinal combustion test areas through the first longitudinal parallel line to the dth longitudinal parallel line; Step S133: obtaining the distance between each longitudinal combustion test area and the longitudinal combustion ignition line, obtaining a plurality of longitudinal ignition distance values, and naming the plurality of longitudinal combustion test areas from the first longitudinal combustion test area to the cth longitudinal combustion test area according to the longitudinal ignition distance values ​​from small to large; Step S134: obtaining area values ​​corresponding to the first longitudinal combustion test area to the cth longitudinal combustion test area, respectively, to obtain area values ​​of the first longitudinal area to the cth longitudinal area; Step S135: marking the time of igniting the longitudinal combustion ignition line as the reference longitudinal ignition time value, obtaining the time value from the flame burning to the first longitudinal parallel line to the d-th longitudinal parallel line, and obtaining the first longitudinal ignition time value to the d-th longitudinal ignition time value; Step S136: Calculate the longitudinal combustion index value by combining the first longitudinal region area value to the cth longitudinal region area value, the first longitudinal ignition time value to the dth longitudinal ignition time value, and the reference longitudinal ignition time value; The longitudinal combustion index value is obtained as follows: ; Wherein, Zrz is the longitudinal combustion index value, Zmz1 to Zmzc are respectively the area values ​​of the first longitudinal region to the area values ​​of the cth longitudinal region, Zqd1 to Zqdd are respectively the first longitudinal ignition time values ​​to the dth longitudinal ignition time values, Zqdj is the reference longitudinal ignition time value, and c is the number value corresponding to the longitudinal combustion test area; Step S14: defining the horizontal burning index value and the vertical burning index value as clothing burning index data; Step S2: Perform combustion smoke detection on the target flame-retardant clothing to obtain the clothing combustion smoke index value; Step S21: obtaining a target flame-retardant garment per unit area, and dividing the target flame-retardant garment per unit area into a plurality of smoke monitoring sample garments of equal area, and randomly selecting a sample garment from the plurality of smoke monitoring sample garments obtained as a feature sample garment; Step S22: performing combustion smoke detection on the characteristic sample clothing to obtain the combustion smoke coefficient corresponding to the characteristic sample clothing; The step S22 further includes the following specific steps: Step S221: ignite the characteristic sample clothing in a laboratory environment, mark the time value corresponding to the ignition moment of the characteristic sample clothing as a first characteristic time point, and mark the time value corresponding to the end of burning of the characteristic sample clothing as a second characteristic time point; Step S222: marking the period between the first characteristic time point and the second characteristic time point as a combustion smoke detection period; Step S223: Obtain the cumulative amount of burning smoke generated by the characteristic sample clothing during the burning smoke detection period to obtain the cumulative burning smoke amount during the period; Step S224: randomly selecting a number of smoke detection time points within the combustion smoke detection cycle, obtaining a numerical value of the smoke concentration corresponding to each smoke detection time point, obtaining a plurality of combustion smoke concentration values, and averaging the obtained plurality of combustion smoke concentration values ​​to obtain a period average smoke concentration value; Step S225: comparing the obtained multiple combustion smoke concentration values, and marking the combustion smoke concentration value with the largest value as the combustion peak smoke concentration value; Step S226: Calculate the periodic cumulative combustion smoke volume, the periodic average smoke density value, and the combustion peak smoke density value to obtain the combustion smoke coefficient corresponding to the characteristic sample clothing; The combustion smoke coefficient corresponding to the characteristic sample clothing is calculated, and the specific formula is as follows: ; Among them, Ywx is the combustion smoke coefficient corresponding to the characteristic sample clothing, Ywl is the cumulative combustion smoke volume of the period, Ywp is the average smoke concentration value of the period, and Ywf is the peak smoke concentration value of the combustion; Step S23: repeating step S22, respectively obtaining the combustion smoke coefficient corresponding to each smoke monitoring sample clothing, obtaining multiple combustion smoke coefficients, and averaging the obtained multiple combustion smoke coefficients to obtain the clothing combustion smoke index value; Step S3: obtaining a comprehensive flame retardant detection coefficient of clothing according to the clothing combustion index data and the clothing combustion smoke index value, obtaining a comprehensive flame retardant detection coefficient threshold of clothing and performing numerical comparison with the comprehensive flame retardant detection coefficient of clothing, and performing performance evaluation on the target flame retardant clothing according to the numerical comparison result; Step S31: obtaining clothing combustion index data, obtaining a horizontal combustion index value and a vertical combustion index value according to the clothing combustion index data, and obtaining a clothing combustion smoke index value; Step S32: Calculating the horizontal burning index value, the vertical burning index value and the clothing burning smoke index value to obtain the clothing flame retardant comprehensive detection coefficient; The comprehensive flame retardant test coefficient of clothing is calculated, and the formula is as follows: ; Among them, Zxn is the comprehensive detection coefficient of clothing flame retardancy, Hrz is the horizontal burning index value, Zrz is the vertical burning index value, and Ywb is the clothing burning smoke index value; Step S33: Obtaining a comprehensive flame retardant detection coefficient threshold of clothing; The step S33 further includes the following specific steps: Step S331: respectively obtaining a horizontal burning index threshold and a vertical burning index threshold, and obtaining a clothing burning smoke index threshold; Step S332: Calculating the horizontal burning index threshold, the vertical burning index threshold, and the clothing burning smoke index threshold to obtain a clothing flame retardant comprehensive detection coefficient threshold; The threshold of comprehensive flame retardant detection coefficient of clothing is calculated, and the formula is as follows: ; Among them, Zxny is the comprehensive detection coefficient threshold of clothing flame retardancy, Hrzy is the threshold of the horizontal burning index value, Zrzy is the threshold of the vertical burning index value, and Ywby is the threshold of the clothing burning smoke index value; Step S34: numerically comparing the clothing flame retardant comprehensive detection coefficient threshold with the clothing flame retardant comprehensive detection coefficient, and performing performance evaluation on the target flame retardant clothing according to the numerical comparison result; The details are as follows: Step S341: when the flame retardant comprehensive detection coefficient of the clothing is greater than or equal to the flame retardant comprehensive detection coefficient threshold of the clothing, it is determined that the flame retardant performance test of the target flame retardant clothing is qualified; Step S342: When the flame retardant comprehensive detection coefficient of the clothing is less than the flame retardant comprehensive detection coefficient threshold of the clothing, it is determined that the flame retardant performance test of the target flame retardant clothing fails.

[0020] In this application, if corresponding calculation formulas appear, the above calculation formulas are all dimensionless and take their numerical calculations. The weight coefficients, proportional coefficients and other coefficients in the formulas are set to a result value obtained by quantifying each parameter. The size of the weight coefficient and the proportional coefficient can be determined as long as it does not affect the proportional relationship between the parameter and the result value.

[0021] Embodiment 2 See also Figure 2 , based on another concept of the same invention, a clothing flame retardant performance detection system is now proposed, including a combustion data module, a smoke data module, a performance detection module and a server, wherein the combustion data module, the smoke data module and the performance detection module are respectively connected to the server, and the server controls the combustion data module, the smoke data module and the performance detection module respectively; The combustion data module obtains the horizontal combustion index value and the vertical combustion index value respectively to obtain the clothing combustion index data; The combustion data module includes a horizontal combustion unit and a vertical combustion unit; Divide the target flame-retardant clothing into two burning test samples with equal areas, and name them as the first burning test sample and the second burning test sample respectively; The transverse combustion unit performs a combustion test on the first combustion sample and obtains a transverse combustion index value; The details are as follows: The first combustion sample is placed horizontally on a horizontal table, a horizontal combustion ignition line is marked at the bottom of the first combustion sample, and multiple straight lines parallel to the horizontal combustion ignition line are drawn in the first combustion sample to obtain the first horizontal parallel line to the bth horizontal parallel line; Dividing the first combustion sample into a plurality of transverse combustion test areas through the first transverse parallel line to the bth transverse parallel line; It should be noted here that: The b involved here is the number value corresponding to the horizontal parallel lines, and b is an integer greater than 0; Obtaining the distance between each transverse combustion test area and the transverse combustion ignition line to obtain a plurality of transverse ignition distance values, and naming the plurality of transverse combustion test areas from the first transverse combustion test area to the ath transverse combustion test area according to the transverse ignition distance values ​​from small to large; It should be noted here that: The a involved here is the numerical value corresponding to the horizontal burning test area, and a is an integer greater than 0; In the present application, the first transverse combustion test area is closest to the transverse combustion ignition line, and the ath transverse combustion test area is farthest from the transverse combustion ignition line; Obtain area values ​​corresponding to the first transverse combustion test area to the ath transverse combustion test area, respectively, to obtain area values ​​of the first transverse area to the ath transverse area; The time of igniting the horizontal burning ignition line is marked as the reference horizontal ignition time value, and the time value of the flame burning from the first horizontal parallel line to the bth horizontal parallel line is obtained to obtain the first horizontal ignition time value to the bth horizontal ignition time value; The lateral combustion index value is obtained by calculating the first lateral region area value to the ath lateral region area value, the first lateral ignition time value to the bth lateral ignition time value, and the reference lateral ignition time value; The horizontal combustion index value is obtained as follows: ; Among them, Hrz is the transverse combustion index value, Hmz1 to Hmza are respectively the area values ​​of the first transverse region to the ath transverse region, Hqd1 to Hqdb are respectively the first transverse ignition time values ​​to the bth transverse ignition time values, Hqdj is the reference transverse ignition time value, and a is the number value corresponding to the transverse combustion test area; The longitudinal combustion unit performs a combustion test on the second combustion sample and obtains a longitudinal combustion index value; The details are as follows: In the second combustion sample, the sample is placed vertically on a vertical plane, a longitudinal combustion ignition line is marked at the bottom of the first combustion sample, and a plurality of straight lines parallel to the longitudinal combustion ignition line are drawn in the second combustion sample to obtain the first longitudinal parallel line to the dth longitudinal parallel line; Dividing the first combustion sample into a plurality of longitudinal combustion test areas through the first longitudinal parallel line to the dth longitudinal parallel line; It should be noted here that: The d involved here is the number of longitudinal parallel lines, and d is an integer greater than 0; Obtain the distance between each longitudinal combustion test area and the longitudinal combustion ignition line to obtain multiple longitudinal ignition distance values, and name the multiple longitudinal combustion test areas from the first longitudinal combustion test area to the cth longitudinal combustion test area according to the longitudinal ignition distance values ​​from small to large; It should be noted here that: The c involved here is the number value corresponding to the longitudinal combustion test area, and c is an integer greater than 0; In the present application, the first longitudinal combustion test area is closest to the longitudinal combustion ignition line, and the cth longitudinal combustion test area is farthest from the longitudinal combustion ignition line; Obtain area values ​​corresponding to the first longitudinal combustion test area to the cth longitudinal combustion test area, respectively, to obtain area values ​​of the first longitudinal area to the cth longitudinal area; The time of igniting the longitudinal combustion ignition line is marked as the reference longitudinal ignition time value, and the time value of the flame burning from the first longitudinal parallel line to the dth longitudinal parallel line is obtained to obtain the first longitudinal ignition time value to the dth longitudinal ignition time value; The longitudinal combustion index value is obtained by calculating the first longitudinal region area value to the cth longitudinal region area value, the first longitudinal ignition time value to the dth longitudinal ignition time value and the reference longitudinal ignition time value; The longitudinal combustion index value is obtained as follows: ; Wherein, Zrz is the longitudinal combustion index value, Zmz1 to Zmzc are respectively the area values ​​of the first longitudinal region to the area values ​​of the cth longitudinal region, Zqd1 to Zqdd are respectively the first longitudinal ignition time values ​​to the dth longitudinal ignition time values, Zqdj is the reference longitudinal ignition time value, and c is the number value corresponding to the longitudinal combustion test area; The horizontal burning index value and the vertical burning index value are defined as clothing burning index data; The combustion data module acquires the clothing combustion index data and transmits it to the performance detection module; The smoke data module performs combustion smoke detection on the target flame-retardant clothing to obtain the clothing combustion smoke index value; Obtain a target flame-retardant garment per unit area, divide the target flame-retardant garment per unit area into a plurality of smoke monitoring sample garments of equal area, and randomly select a sample garment from the plurality of smoke monitoring sample garments obtained as a feature sample garment; Perform combustion smoke detection on characteristic sample clothing to obtain the combustion smoke coefficient corresponding to the characteristic sample clothing; The details are as follows: The characteristic sample clothing is ignited in a laboratory environment, and the time value corresponding to the ignition moment of the characteristic sample clothing is marked as a first characteristic time point, and the time value corresponding to the end of the burning of the characteristic sample clothing is marked as a second characteristic time point; Marking the period between the first characteristic time point and the second characteristic time point as a combustion smoke detection period; Obtain the cumulative amount of combustion smoke generated by the characteristic sample clothing during the combustion smoke detection period to obtain the cumulative combustion smoke amount of the period; In the combustion smoke detection cycle, several smoke detection time points are randomly selected, and the smoke concentration corresponding to each smoke detection time point is numerically obtained to obtain multiple combustion smoke concentration values, and the obtained multiple combustion smoke concentration values ​​are averaged to obtain the cycle average smoke concentration value; It should be noted here that: In this application, the combustion smoke concentration value involved here is specifically the smoke concentration value corresponding to the smoke generated in real time during the combustion of the characteristic sample clothing, not the smoke concentration value in the experimental environment; Compare the obtained multiple combustion smoke concentration values, and mark the combustion smoke concentration value with the largest value as the combustion peak smoke concentration value; The combustion smoke coefficient corresponding to the characteristic sample clothing is obtained by calculating the periodic cumulative combustion smoke volume, the periodic average smoke density value and the combustion peak smoke density value; The combustion smoke coefficient corresponding to the characteristic sample clothing is calculated, and the specific formula is as follows: ; Among them, Ywx is the combustion smoke coefficient corresponding to the characteristic sample clothing, Ywl is the cumulative combustion smoke volume of the period, Ywp is the average smoke concentration value of the period, and Ywf is the peak smoke concentration value of the combustion; Repeat the process of obtaining the combustion smoke coefficient corresponding to the characteristic sample clothing, respectively obtain the combustion smoke coefficient corresponding to each smoke monitoring sample clothing, obtain multiple combustion smoke coefficients, and average the obtained multiple combustion smoke coefficients to obtain the clothing combustion smoke index value; The smoke data module obtains the clothing burning smoke index value and transmits it to the performance detection module; The performance detection module obtains the comprehensive flame retardant detection coefficient of the clothing according to the clothing combustion index data and the clothing combustion smoke index value, obtains the comprehensive flame retardant detection coefficient threshold of the clothing and compares it with the comprehensive flame retardant detection coefficient of the clothing, and evaluates the performance of the target flame retardant clothing according to the numerical comparison result; Obtain clothing combustion index data, obtain a horizontal combustion index value and a vertical combustion index value according to the clothing combustion index data, and obtain a clothing combustion smoke index value; The comprehensive flame retardant detection coefficient of clothing is obtained by calculating the horizontal combustion index value, the vertical combustion index value and the clothing combustion smoke index value; The comprehensive flame retardant test coefficient of clothing is calculated, and the formula is as follows: ; Among them, Zxn is the comprehensive detection coefficient of clothing flame retardancy, Hrz is the horizontal burning index value, Zrz is the vertical burning index value, and Ywb is the clothing burning smoke index value; Get the comprehensive flame retardant detection coefficient threshold of clothing; The details are as follows: Obtaining the horizontal burning index threshold and the vertical burning index threshold respectively, and obtaining the clothing burning smoke index threshold; The threshold of the comprehensive detection coefficient of clothing flame retardancy is obtained by calculating the horizontal combustion index threshold, the vertical combustion index threshold and the clothing combustion smoke index threshold; It should be noted here that: The transverse burning index threshold, longitudinal burning index threshold and clothing burning smoke index threshold involved here are respectively the maximum transverse burning index value, maximum longitudinal burning index value and maximum clothing burning smoke index value corresponding to the flame retardant qualified clothing; The threshold value of comprehensive flame retardant detection coefficient of clothing is calculated, and the formula is as follows: ; Among them, Zxny is the comprehensive detection coefficient threshold of clothing flame retardancy, Hrzy is the threshold of the horizontal burning index value, Zrzy is the threshold of the vertical burning index value, and Ywby is the threshold of the clothing burning smoke index value; The flame retardant comprehensive detection coefficient threshold of clothing is compared with the flame retardant comprehensive detection coefficient of clothing, and the performance of the target flame retardant clothing is evaluated according to the numerical comparison results; The details are as follows: When the flame retardant comprehensive test coefficient of the clothing is greater than or equal to the threshold value of the flame retardant comprehensive test coefficient of the clothing, it is judged that the flame retardant performance test of the target flame retardant clothing is qualified; When the flame retardant comprehensive detection coefficient of the clothing is less than the flame retardant comprehensive detection coefficient threshold of the clothing, it is judged that the flame retardant performance test of the target flame retardant clothing fails.

[0022] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can better understand and use the present invention.

Claims

1. A method for detecting flame retardant properties of clothing, characterized in that: include: Step S1: Divide the target flame-retardant clothing into a first combustion test sample and a second combustion test sample of equal area, perform a transverse flame-retardant test on the first combustion test sample to obtain a transverse combustion index value, perform a longitudinal flame-retardant test on the second combustion test sample to obtain a longitudinal combustion index value, and define the transverse combustion index value and the longitudinal combustion index value as clothing combustion index data; Step S2: Perform combustion smoke detection on the target flame-retardant clothing, obtain the periodic cumulative combustion smoke volume, the periodic average smoke concentration value and the combustion peak smoke concentration value, and analyze to obtain the clothing combustion smoke index value; Step S3: Obtain the comprehensive flame retardant detection coefficient of clothing according to the clothing combustion index data and the clothing combustion smoke index value, obtain the comprehensive flame retardant detection coefficient threshold of clothing and perform numerical comparison with the comprehensive flame retardant detection coefficient of clothing, and perform performance detection and evaluation on the target flame retardant clothing according to the numerical comparison result.

2. A method for detecting flame retardant properties of clothing according to claim 1, characterized in that: The step S1 further includes the following specific steps: Step S11: Divide the target flame-retardant clothing into two combustion test samples with equal areas, and name them as a first combustion test sample and a second combustion test sample respectively; Step S12: performing a combustion test on the first combustion sample and obtaining a lateral combustion index value; Step S13: performing a combustion test on the second combustion sample and obtaining a longitudinal combustion index value; Step S14: defining the horizontal burning index value and the vertical burning index value as clothing burning index data.

3. A method for detecting flame retardant properties of clothing according to claim 2, characterized in that: The step S12 further includes the following specific steps: Step S121: placing the first combustion sample horizontally on a horizontal table, marking a horizontal combustion ignition line at the bottom of the first combustion sample, and making a plurality of straight lines parallel to the horizontal combustion ignition line in the first combustion sample to obtain the first horizontal parallel line to the bth horizontal parallel line; Step S122: dividing the first combustion sample into a plurality of transverse combustion test areas through the first transverse parallel line to the bth transverse parallel line; Step S123: obtaining the distance between each transverse combustion test area and the transverse combustion ignition line, obtaining a plurality of transverse ignition distance values, and naming the plurality of transverse combustion test areas as the first transverse combustion test area to the ath transverse combustion test area; Step S124: obtaining area values ​​corresponding to the first transverse combustion test area to the ath transverse combustion test area, and obtaining area values ​​of the first transverse area to the ath transverse area; Step S125: marking the time of igniting the horizontal combustion ignition line as the reference horizontal ignition time value, respectively obtaining the time values ​​of the flame burning to the first horizontal parallel line to the b-th horizontal parallel line, and obtaining the first horizontal ignition time value to the b-th horizontal ignition time value; Step S126: Calculate the first horizontal region area value to the ath horizontal region area value, the first horizontal ignition time value to the bth horizontal ignition time value, and the reference horizontal ignition time value to obtain a horizontal combustion index value; The horizontal combustion index value is obtained as follows: ； Among them, Hrz is the transverse combustion index value, Hmz1 to Hmza are the area values ​​of the first transverse region to the ath transverse region respectively, Hqd1 to Hqdb are the first transverse ignition time values ​​to the bth transverse ignition time values ​​respectively, Hqdj is the reference transverse ignition time value, and a is the quantity value corresponding to the transverse combustion test area.

4. A method for detecting flame retardant properties of clothing according to claim 2, characterized in that: The step S13 further includes the following specific steps: Step S131: vertically placing the second combustion sample on a vertical plane, marking the bottom of the first combustion sample as a longitudinal combustion ignition line, and drawing a plurality of straight lines parallel to the longitudinal combustion ignition line in the second combustion sample to obtain the first longitudinal parallel line to the dth longitudinal parallel line; Step S132: dividing the first combustion sample into a plurality of longitudinal combustion test areas through the first longitudinal parallel line to the dth longitudinal parallel line; Step S133: obtaining the distance between each longitudinal combustion test area and the longitudinal combustion ignition line, obtaining multiple longitudinal ignition distance values, and naming the multiple longitudinal combustion test areas as the first longitudinal combustion test area to the cth longitudinal combustion test area; Step S134: obtaining area values ​​corresponding to the first longitudinal combustion test area to the cth longitudinal combustion test area, respectively, to obtain area values ​​of the first longitudinal area to the cth longitudinal area; Step S135: marking the time of igniting the longitudinal combustion ignition line as the reference longitudinal ignition time value, obtaining the time value from the flame burning to the first longitudinal parallel line to the d-th longitudinal parallel line, and obtaining the first longitudinal ignition time value to the d-th longitudinal ignition time value; Step S136: Calculate the longitudinal combustion index value by combining the first longitudinal region area value to the cth longitudinal region area value, the first longitudinal ignition time value to the dth longitudinal ignition time value, and the reference longitudinal ignition time value; The longitudinal combustion index value is obtained as follows: ； Among them, Zrz is the longitudinal combustion index value, Zmz1 to Zmzc are the area values ​​of the first longitudinal region to the cth longitudinal region respectively, Zqd1 to Zqdd are the first longitudinal ignition time values ​​to the dth longitudinal ignition time values ​​respectively, Zqdj is the reference longitudinal ignition time value, and c is the quantity value corresponding to the longitudinal combustion test area.

5. A method for detecting flame retardant properties of clothing according to claim 1, characterized in that: The step S2 further includes the following specific steps: Step S21: obtaining a target flame-retardant garment per unit area, and dividing the target flame-retardant garment per unit area into a plurality of smoke monitoring sample garments of equal area, and randomly selecting a sample garment from the plurality of smoke monitoring sample garments obtained as a feature sample garment; Step S22: performing combustion smoke detection on the characteristic sample clothing to obtain the combustion smoke coefficient corresponding to the characteristic sample clothing; Step S23: Repeat step S22 to obtain the combustion smoke coefficient corresponding to each smoke monitoring sample clothing respectively, obtain multiple combustion smoke coefficients, and average the obtained multiple combustion smoke coefficients to obtain the clothing combustion smoke index value.

6. A method for detecting flame retardant properties of clothing according to claim 5, characterized in that: The step S22 further includes the following specific steps: Step S221: ignite the characteristic sample clothing, mark the time value corresponding to the ignition moment of the characteristic sample clothing as the first characteristic time point, and mark the time value corresponding to the end of burning of the characteristic sample clothing as the second characteristic time point; Step S222: marking the period between the first characteristic time point and the second characteristic time point as a combustion smoke detection period; Step S223: Obtain the cumulative amount of burning smoke generated by the characteristic sample clothing during the burning smoke detection period to obtain the cumulative burning smoke amount during the period; Step S224: randomly selecting a number of smoke detection time points within the combustion smoke detection cycle, obtaining a numerical value of the smoke concentration corresponding to each smoke detection time point, obtaining a plurality of combustion smoke concentration values, and averaging the obtained plurality of combustion smoke concentration values ​​to obtain a period average smoke concentration value; Step S225: comparing the obtained multiple combustion smoke concentration values, and marking the combustion smoke concentration value with the largest value as the combustion peak smoke concentration value; Step S226: Calculate the periodic cumulative combustion smoke volume, the periodic average smoke density value, and the combustion peak smoke density value to obtain the combustion smoke coefficient corresponding to the characteristic sample clothing; The combustion smoke coefficient corresponding to the characteristic sample clothing is calculated, and the specific formula is as follows: ； Among them, Ywx is the combustion smoke coefficient corresponding to the characteristic sample clothing, Ywl is the cumulative combustion smoke volume of the period, Ywp is the average smoke concentration value of the period, and Ywf is the peak combustion smoke concentration value.

7. A method for detecting flame retardant properties of clothing according to claim 1, characterized in that: The step S3 further includes the following specific steps: Step S31: obtaining clothing combustion index data, obtaining a horizontal combustion index value and a vertical combustion index value according to the clothing combustion index data, and obtaining a clothing combustion smoke index value; Step S32: Calculating the horizontal combustion index value, the vertical combustion index value and the clothing combustion smoke index value to obtain the clothing flame retardant comprehensive detection coefficient; The comprehensive flame retardant test coefficient of clothing is calculated according to the following formula: ， Among them, Zxn is the comprehensive detection coefficient of clothing flame retardancy, Hrz is the horizontal burning index value, Zrz is the vertical burning index value, and Ywb is the clothing burning smoke index value; Step S33: Obtaining a comprehensive flame retardant detection coefficient threshold of clothing; Step S34: numerically compare the clothing flame retardant comprehensive detection coefficient threshold with the clothing flame retardant comprehensive detection coefficient, and perform performance evaluation on the target flame retardant clothing according to the numerical comparison result.

8. A method for detecting flame retardant properties of clothing according to claim 7, characterized in that: The step S33 further includes the following specific steps: Step S331: respectively obtaining a horizontal burning index threshold, a vertical burning index threshold, and a clothing burning smoke index threshold; Step S332: Calculating the horizontal burning index threshold, the vertical burning index threshold, and the clothing burning smoke index threshold to obtain a clothing flame retardant comprehensive detection coefficient threshold; The threshold value of comprehensive flame retardant detection coefficient of clothing is calculated, and the formula is as follows: ， Among them, Zxny is the threshold of the comprehensive detection coefficient of clothing flame retardancy, Hrzy is the threshold of the transverse burning index value, Zrzy is the threshold of the longitudinal burning index value, and Ywby is the threshold of the clothing burning smoke index value.

9. A method for detecting flame retardant properties of clothing according to claim 7, characterized in that: The step S34 further includes the following specific steps: Step S341: when the flame retardant comprehensive detection coefficient of the clothing is greater than or equal to the flame retardant comprehensive detection coefficient threshold of the clothing, it is determined that the flame retardant performance test of the target flame retardant clothing is qualified; Step S342: When the flame retardant comprehensive detection coefficient of the clothing is less than the flame retardant comprehensive detection coefficient threshold of the clothing, it is determined that the flame retardant performance test of the target flame retardant clothing fails.

10. A clothing flame retardant performance detection system, applicable to a clothing flame retardant performance detection method according to any one of claims 1 to 9, characterized in that: The flame retardant performance detection system comprises: Combustion data module: used to divide the target flame-retardant clothing into a first combustion test sample and a second combustion test sample of equal area, perform a transverse flame-retardant test on the first combustion test sample to obtain a transverse combustion index value, perform a longitudinal flame-retardant test on the second combustion test sample to obtain a longitudinal combustion index value, and define the transverse combustion index value and the longitudinal combustion index value as clothing combustion index data; Smoke data module: used to detect the burning smoke of the target flame-retardant clothing, and obtain the cumulative burning smoke volume, the average smoke concentration value of the period, and the peak smoke concentration value of the combustion, and analyze the clothing burning smoke index value; Performance detection module: used to obtain the comprehensive flame retardant detection coefficient of clothing according to the clothing combustion index data and the clothing combustion smoke index value, and obtain the comprehensive flame retardant detection coefficient threshold of clothing for numerical comparison with the comprehensive flame retardant detection coefficient of clothing, and evaluate the performance of the target flame retardant clothing according to the numerical comparison results.

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