纺织学报 ›› 2019, Vol. 40 ›› Issue (11): 140-144.doi: 10.13475/j.fzxb.20181103505

• 服装工程 • 上一篇    下一篇

消防服用隔热层孔型结构优化与测评

胡贝贝1, 杜菲菲1, 李小辉1,2()   

  1. 1.东华大学 服装与艺术设计学院, 上海 200051
    2.东华大学 现代服装设计与技术教育部重点实验室, 上海 200051
  • 收稿日期:2018-11-13 修回日期:2019-07-02 出版日期:2019-11-15 发布日期:2019-11-26
  • 通讯作者: 李小辉
  • 作者简介:胡贝贝(1996—),女,硕士生。主要研究方向为功能防护服装。
  • 基金资助:
    国家自然科学基金资助项目(51703026);中央高校基本科研业务费专项资金资助项目(2232019G-08)

Hole structure optimization and evaluation of thermal barrier for firefighter protective clothing

HU Beibei1, DU Feifei1, LI Xiaohui1,2()   

  1. 1. College of Fashion and Design, Donghua University, Shanghai 200051, China
    2. Key Laboratory of Clothing Design and Technology, Ministry of Education, Donghua University, Shanghai 200051, China
  • Received:2018-11-13 Revised:2019-07-02 Online:2019-11-15 Published:2019-11-26
  • Contact: LI Xiaohui

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摘要：

为进一步提高消防服用蜂窝织物的热防护性能,针对隔热层进行蜂窝孔型的结构优化与测评。选取当前典型的消防服各层材料,综合考虑隔热层分层和蜂窝孔型的边长、壁厚等因素,分别对直孔和斜孔设计了6种孔洞尺寸以及1种实心对照组。利用激光切割技术进行13组实验方案制备试样,并采用热防护性能测试仪进行闪火燃烧测试。实验结果表明:蜂窝分层重组可有效提高消防服用蜂窝织物系统的热防护性能;通过非参数相关样本检验,测得不同开孔方式蜂窝织物的热防护性能有着显著性差异,说明斜孔结构比直孔具有更好的热防护性。

关键词: 消防服, 蜂窝织物, 热防护性能, 结构优化, 舒适性能

Abstract:

In order to improve the thermal protective performance of honeycomb fabric for firefighter protective clothing, the honeycomb hole structure optimization and evaluation were carried out for the thermal barrier. The current typical fabrics of firefighter protective clothing were chosen as the experimental samples. Considering thermal liner layering, honeycomb side length and wall thickness, six kinds of hole sizes were designed for the straight holes and the inclined holes respectively, and a solid control group was presented. Then 13 sets of experimental schemes were prepared by laser cutting technology and a thermal protective performance tester was adopted to perform the flash fire test. The experimental results show that honeycomb layering reorganization effectively improves the thermal protective performance of honeycomb fabric systems for firefighter protective clothing. By the non-parametric correlation sample test, a significant difference exists in the thermal protective performance of the honeycomb sandwich structure with different opening methods, and the inclined hole structure has better thermal protective performance than the straight hole.

Key words: firefighter protective clothing, honeycomb fabric, thermal protective performance, structure optimization, comfort performance

中图分类号: 

  • TS941.73

表1

各层试样及其基本性能"

功能层 织物种类 织物成分 面密度/(g·m-2) 厚度/mm 透气率/(L·m-2·s-1)
外层 Nomex?
IIIA		 93%Nomex,
5%Kevlar,
2%ASTF		 211.6 0.50 206.57
防水透
气层		 I-70/
PTFE		 80%Nomex,
20%Kevlar
(PTFE)		 106.1 0.66 0.84
隔热层 I-120毡
Nomex?		 80%Nomex,
20%Kevlar		 128.4 1.05 1 087.65
舒适层 阻燃粘胶 50%Nomex,
50%Lenzing FR		 125.6 0.36 1 262.45

图1

蜂窝结构平面图"

表2

蜂窝尺寸方案"

孔型尺寸方案编号 边长/mm 壁厚/mm 质量减少率/%
C1 实心 实心 0
C2 1 5.2 6.24
C3 1 7.8 3.30
C4 2 5.2 15.99
C5 2 7.8 9.46
C6 3 5.2 24.98
C7 3 7.8 15.99

图2

隔热层用蜂窝孔型结构示意图"

表3

实验方案"

实验方案 边长/mm 壁厚/mm 尺寸方案 开孔方式 透气率/(L·m-2·s-1)
1# 实心 实心 C1 无 297.15
2# 1 5.2 C2 E(直孔) 785.76
3# 1 7.8 C3 E(直孔) 582.40
4# 2 5.2 C4 E(直孔) 1 911.04
5# 2 7.8 C5 E(直孔) 1 112.81
6# 3 5.2 C6 E(直孔) 2 588.19
7# 3 7.8 C7 E(直孔) 1 488.05
8# 1 5.2 C2 S(斜孔) 709.33
9# 1 7.8 C3 S(斜孔) 532.54
10# 2 5.2 C4 S(斜孔) 1 162.33
11# 2 7.8 C5 S(斜孔) 764.91
12# 3 5.2 C6 S(斜孔) 1 362.95
13# 3 7.8 C7 S(斜孔) 965.02

图3

红外热像检测示意图"

图4

织物系统的TPP值"

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