高温环境下降温服对消防员热反应的影响

doi:10.16265/j.cnki.issn1003-3033.2020.04.026

中国安全科学学报 ›› 2020, Vol. 30 ›› Issue (4): 166-171.doi: 10.16265/j.cnki.issn1003-3033.2020.04.026

高温环境下降温服对消防员热反应的影响

田水承教授, 周润康, 杨杰^** 副教授

西安科技大学安全科学与工程学院,陕西西安 710054

收稿日期:2020-01-08 修回日期:2020-03-20 出版日期:2020-04-28 发布日期:2021-01-27
通讯作者: **杨杰(1987—),男,山西大同人,博士,副教授,主要从事安全科学与人体热反应等方面研究。E-mail:yangjiesxu@163.com。
作者简介:田水承(1964—),男,山东淄博人,博士,教授,主要从事安全科学与工程安全管理等方面研究。E-mail:tiansc@xust.edu.cn。
基金资助:
国家自然科学基金资助(51874237,51904228),西安科技大学博士启动基金资助(2050118027,6310118039,6310219021)。

Effects of cooling garments on firefighters' thermal responses under high temperature

TIAN Shuicheng, ZHOU Runkang, YANG Jie

College of Safety Science and Engineering, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China

Received:2020-01-08 Revised:2020-03-20 Online:2020-04-28 Published:2021-01-27

摘要/Abstract

摘要： 为了降低消防员热应激水平,提升消防救援作业效率,研究高温环境条件下降温服对消防员热生理调节的影响。在高温环境中(35 ℃)中,设置基础服装(短袖和短裤)、防护服(基础服装和防护服)、降温服(基础服装、防护服及降温服)等3个工况,分别测量受试者在运动及休息阶段典型的热生理参数。结果表明:相对于基础服装而言,防护服导致受试者皮肤温度、核心温度、心率、出汗速率大幅增加,且降低了汗液蒸发率;降温服能够有效抑制穿着防护服情况下的皮肤温度、核心温度、心率和出汗速率的升高,但会进一步降低汗液蒸发率;此外,降温服的冷却效果随着时间增加而降低,工作时间超过40 min后降温服的降温作用几乎消失,甚至会加重人体热生理负担。

关键词: 消防员, 防护服, 降温服, 热舒适, 热反应

Abstract: In order to reduce firefighters' heat stress and improve fire rescue efficiency, effects of cooling garments on thermoregulation of firefighters were investigated. Three categories of garments were set under high temperature (35 ℃), including basic clothing (short sleeves and shorts), protective clothing (basic clothing and protective clothing), andcooling garmments (basic clothing, protective clothing and cooling garmments), and typical thermal responses of participants during exercise and rest phases were measured for these cases respectively. The results show that protective clothing, compared to basic one, leads to a significant increase in skin temperature, core temperature, heart rate and sweating rate, and a decline in sweat evaporation rate. Cooling garmments can effectively attenuate above-mentioned increases, and also further reduce sweat evaporation rate. Their cooling effects decrease over time and almost disappear after 40 minutes of work, or they may even increase thermal and physiological burden of firefighters

Key words: firefighter, protective clothing, cooling garment, thermal comfort, thermal response

中图分类号:

X968

田水承, 周润康, 杨杰. 高温环境下降温服对消防员热反应的影响[J]. 中国安全科学学报, 2020, 30(4): 166-171.

TIAN Shuicheng, ZHOU Runkang, YANG Jie. Effects of cooling garments on firefighters' thermal responses under high temperature[J]. China Safety Science Journal, 2020, 30(4): 166-171.

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高温环境下降温服对消防员热反应的影响

Effects of cooling garments on firefighters' thermal responses under high temperature

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