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评估自闭式呼吸器 (SCBA) 对消防员耐力,舒适度和姿势稳定性的影响

Richard M Kesler^1,2,3, Jeffrey Powell⁴, Dac Nguyen²

¹Fire Safety Research Institute, UL Research Institutes, Columbia, MD, USA.

|July 7, 2024

概括

更重的独立呼吸器 (SCBA) 负面影响消防员的舒适度和工作时间,尽管生理变化最小. 在添加新的SCBA功能时,应仔细考虑当前的重量限制.

科学领域:

职业安全与健康问题职业安全与健康问题
消防员表演科学科学
人类因素工程人类因素工程

背景情况:

消防员使用个人防护设备 (PPE),包括自闭式呼吸器 (SCBA),以防范危险的火场环境.
国家标准对SCBA施加重量限制,但整合新功能可能会导致超过这些限制.
了解SCBA重量的影响对于消防员的安全和运营效率至关重要.

研究的目的:

为了研究使用不同重量的SCBA的消防员的生理反应,工作产量,动态稳定性和舒适度.
提供数据,可以为有关SCBA重量规则和设备设计的决策提供信息.

主要方法:

参与者在受控条件下进行模拟的消防活动.
测量了生理反应 (例如,氧气消耗),工作产出,动态稳定性和主观舒适度.
使用不同的SCBA重量来评估增加质量的影响.

主要成果:

模拟的消防活动引起了显著的生理反应.
与较重的SCBA相比,较轻的SCBA的峰值氧气消耗量更高.
增加的SCBA重量导致消防员的负面看法显著增加,并且在疲劳之前减少工作时间的趋势.

结论:

虽然生理差异很小,但SCBA重量增加显著影响了消防员的舒适度和感知力的努力.
这些发现表明,超过目前的SCBA重量限制可能会损害消防员的表现和幸福感.
对SCBA重量标准的建议应考虑这些主观和与性能相关的结果.

关键词:

个人防护设备 (PPE)灭火灭火灭火灭火功能平衡是一个功能平衡.自闭式呼吸器 (SCBA) 是一种自闭式呼吸器.

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