在存在额外的氧气的情况下进行电动武器火灾风险
概括
带有补充氧气的导电武器 (CEW) 的点火风险非常低. 用人头发作为燃料的氧气度超过45%时才发生点火,这在战术EMS设置中很少见.
科学领域:
- 紧急医疗 紧急医疗
- 消防安全工程 消防安全工程
背景情况:
- 导向式电动武器 (CEW) 是战术EMS (TEMS) 操作员使用的.
- 电气电会产生火花,构成潜在的点火风险,特别是当使用补充氧气时.
- 在补充氧气的使用过程中,CEW使用的易燃性风险尚不清楚.
研究的目的:
- 在补充氧气的情况下,评估导电武器 (CEW) 的可燃性风险.
- 在受控环境中确定CEW诱导点火的氧气度值.
主要方法:
- 测量氧气水平是在一个封闭的空间,持续补充氧气流.
- 一个CEW在一个带有猪组织和各种易燃材料的plexiglass盒子里被释放,以模拟患者护理环境.
- 基线氧气度从氧气源的不同距离确定.
主要成果:
- 31.5%的最大氧气度记录在源头15厘米处.
- 只有在氧气度超过45%和当人类头发作为燃料存在时才能实现点火.
- 无论测试的燃料来源如何,在氧气度低于45%的情况下,没有发生点火.
结论:
- 通过使用人类头发作为燃料,在45%以上的补充氧气水平下,CEW引起的点火是可能的.
- 45%或更高的氧气度仅限于封闭空间的冲洗率氧气源15厘米以内.
- 在具有补充氧气的战术EMS设置中,CEW诱导着火的总体可能性非常低.
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