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本文采用自身对照方法,对低浓度一氧化碳驾驶环境中汽车驾驶员分别在海拔2800m、3650m、和4600m地区进行了神经行为功能测试,在三个海拔高度,当驾驶室内气温和风速无明显变化,一氧化碳浓度分别为21.8mg/m~3、23.3mg/m~3、24.7mg/m~3时,驾驶员的神经行为功能随海拔增高而明显变化,消极情绪得分不断增加、积极情绪得分逐渐减少;反映驾驶灵敏度、注意力和精确性的指标得分显著下降;反应时间延长、记忆力减退。三个海拔之间相比较,其差异多数有显著性意义。提示高原低氧环境与低浓度一氧化碳联合作用可使汽车驾驶员的驾驶能力下降,影响行车安全。
In this paper, the self-control method was used to test the neurobehavioral function of car drivers in low-carbon monoxide driving environment at 2800m, 3650m and 4600m respectively. At three altitudes, when the temperature and wind speed in the cab did not change significantly, carbon monoxide The neurobehavioral functions of drivers changed significantly with the altitude increasing, the scores of negative emotions increased continuously and the scores of positive emotions decreased gradually when the concentrations were 21.8mg / m3, 23.3mg / m3, 24.7mg / m3, respectively. Indicators that reflect driving sensitivity, attention and accuracy dropped significantly; reaction time was prolonged and memory was diminished. Compared with the three elevations, most of the differences have significant significance. Prompted plateau hypoxia and low concentrations of carbon monoxide combined action can reduce the driving ability of car drivers, affecting traffic safety.