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Method for evaluating ATPV value protection grade of modacrylic arc protection fabric

A technology of protection level and evaluation method, applied in the field of level evaluation, can solve the problems of high direct evaluation cost, long test cycle, and inability to quickly and accurately judge the protection performance of arc-proof fabrics

Active Publication Date: 2021-09-07
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are no professional testing standards and testing institutions in China, and it is impossible to quickly and accurately judge the protective performance of arc-proof fabrics.
In order to solve the problems of high cost of direct evaluation of the arc protection performance of arc protection clothing and long test period, it is necessary to explore the influence of the basic physical properties of the fabric on its protective performance from a mathematical point of view, combined with the basic physical properties of the fabric, and establish acrylic chloride fiber The intuitive evaluation method of the ATPV value protection level of arc-proof fabrics is convenient for people outside the industry to quickly and scientifically evaluate the ATPV value protection level of arc-proof fabrics with acrylic chloride as the main component, and provides a reference for the development of arc-proof clothing in my country's electric power industry. , therefore, an improved technology is urgently needed to solve this problem existing in the prior art

Method used

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  • Method for evaluating ATPV value protection grade of modacrylic arc protection fabric
  • Method for evaluating ATPV value protection grade of modacrylic arc protection fabric
  • Method for evaluating ATPV value protection grade of modacrylic arc protection fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1: choose the blended anti-arc fabric of acrylic fiber / aramid fiber 1414 / aramid fiber 1313 blending ratio to be 42 / 23 / 35, measure the latitudinal tear strength of this fabric to be 30.6N, thickness is 0.38mm, g The weight is 201.6g / m 2 , the warp tear strength is 30.6N, the warp damage length is 66mm, and the TPP value is 472.788kW·s / m 2 , the weft damage length is 66mm, the air permeability is 271.66mm / s, and the weft breaking strength is 557N. Therefore, according to the intuitive evaluation method, the fabric is comprehensively judged to be ATPV value first-class protective fabric, and the actual measured ATPV value is 6.2Cal / cm 2 , which is consistent with the judgment of the actual protection level of the fabric;

Embodiment 2

[0044] Embodiment 2: Select the blended anti-arc fabric with acrylic / aramid 1313 / aramid 1414 / conductive fiber blending ratio of 58 / 25 / 15 / 2, and measure the weft tear strength of the fabric to be 52.1N, the thickness 0.45mm, weight 238.7g / m 2 , warp tear strength 65.7N, warp damage length 83mm, TPP value 556.948kW·s / m 2 , the weft damage length is 86mm, the air permeability is 69.3mm / s, and the weft breaking strength is 958N. Therefore, according to the intuitive evaluation method, the fabric is comprehensively judged to be ATPV value secondary protective fabric, and the actual measured ATPV value is 9.4Cal / cm 2 , which is consistent with the judgment of the actual protection level of the fabric;

Embodiment 3

[0045] Embodiment 3: Select the blended anti-arc fabric of acrylic / aramid fiber 1313 / aramid fiber 1414 / conductive fiber blending ratio of 65 / 28 / 5 / 2, and measure the weft tear strength of the fabric to be 46.5N, the thickness 0.45mm, the weight is 261.2g / m 2 , warp tear strength 64.7N, warp damage length 71mm, TPP value 567.308kW·s / m 2 , the damage length in the weft direction is 58mm, the air permeability is 76.02mm / s, and the breaking strength in the weft direction is 757N. Therefore, according to the intuitive evaluation method, the fabric is comprehensively judged to be ATPV value secondary protective fabric, and the actual measured ATPV value is 12Cal / cm 2 , which is consistent with the judgment of the actual protection level of the fabric;

[0046] The invention provides a new method for effectively evaluating the ATPV value protection level of acrylic anti-arc fabrics. By using the basic physical properties of the fabric that are easy to test, the ATPV value protection ...

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Abstract

The invention provides a method for evaluating the ATPV value protection grade of an modacrylic arc protection fabric. The method comprises the following steps of constructing an evaluation index system of the ATPV value of the protection performance of the modacrylic arc protection fabric, selecting the modacrylic arc protection fabric blended by different fiber raw materials, testing the performance parameters of related influence factors of the fabric according to the evaluation index system, testing the ATPV value of the fabric, determining the correlation degree between the ATPV value and all the influence factors through SPSS software correlation analysis, establishing an evaluation method for the protection level of the ATPV value, determining the value range of all the influence factors under different protection levels of the ATPV value, and verifying the evaluation method. The method for directly evaluating the ATPV value protection grade by utilizing the basic performance of the fabric reasonably utilizes the existing equipment in a laboratory, is simple and clear, is convenient to operate, and can directly and quickly judge the ATPV value protection grade of the modacrylic anti-arc fabric.

Description

technical field [0001] The invention relates to the technical field of an evaluation method for the ATPV value protection level of an acrylonitrile-chloride anti-arc fabric, in particular to an evaluation method for the ATPV value protection level of an acrylic-chloride anti-arc fabric. Background technique [0002] With the rapid development of the social economy and the power industry, the number of power workers is growing day by day, and the frequency of arc deflagration accidents continues to increase, which seriously threatens the personal safety and equipment safety of power workers. The arc forms a great destructive force through high heat, shock waves, and strong ultraviolet rays, endangering the safety of social public equipment and the safety of workers. Among all kinds of electric accidents, the arc deflagration accident ranks first, and the high-intensity heat generated by it is more than four times that of other explosion accidents. 90% of arc accidents occur ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12G01B21/08G01N15/08G01G17/00G01N31/12G01N25/00G01N3/00
CPCG01R31/1263G01B21/08G01N15/08G01G17/00G01N31/12G01N25/00G01N3/00
Inventor 唐虹朱雯孙启龙黄圳李侠时禄帧胡亦雯陈毓姝
Owner NANTONG UNIVERSITY
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