飞行员缺氧耐力检查用低氧混合气体制备装置的研制  

Development of low-oxygen mixed gas generator for pilot hypoxia testing

作　　者：李林霞 徐佳伶 毛国赟 吉耀轩 马进 王云英 LI Lin-xia;XU Jia-ling;MAO Guo-yun;JI Yao-xuan;MA Jin;WANG Yun-ying(Teaching and Research Section of Aerospace Physiology,Aerospace Medicine School of Air Force Medical University,Xi'an 710032,China)

机构地区：[1]空军军医大学航空航天医学系航空航天生理学教研室,西安710032

出　　处：《医疗卫生装备》2024年第7期24-28,共5页Chinese Medical Equipment Journal

基　　金：陕西省创新能力支撑项目(2020PT-019)。

摘　　要：目的:为弥补低压舱及抗荷缺氧训练仪在飞行员缺氧耐力检查中应用存在的不足,研制一种低氧混合气体制备装置。方法:该装置采用气体分离原理制备低氧气体,硬件主要由盛源OLF1100D-220AF空气压缩机、SMC IDG75SAM4-03过滤器、缓冲罐、AIR Products PA3010一体化集成高分子膜、控制盒、传感器与调压阀等部件组成。其中,传感器包括压力传感器、流量传感器、浓度传感器和露点温度传感器,控制盒由主控板、电源模块、变送模块、通信模块、显示屏以及外壳组成。控制软件为嵌入式软件,采用KEIL 5开发,采用C++编写。结果:该装置可以制备体积分数为4%~18%的低氧气体,体积分数最大误差为0.05%,而且制备气体的主要成分满足GB 8982—2009《医用及航空呼吸用氧》中规定的医用氧技术要求。结论:该装置制备的低氧气体体积分数控制精确,可用于飞行员缺氧耐力检查及缺氧习服训练。Objective To develop a low-oxygen mixed gas generator to make up for the deficiencies of low-pressure chambers and load-resistant hypoxia trainers during pilot hypoxia tolerance testing.Methods The device prepared the low-oxygen gas with the principle of gas separation,which was composed of a Sunsource OLF1100D-220AF air compressor,a SMC IDG75SAM4-03 filter,a buffer tank,an AIR Products PA3010 integrated assembly,a control box,sensors and regulators.The sensors included the pressure sensor,flow sensor,concentration sensor and dew point temperature sensor,and the control box consisted of a main control board,a power supply module,a transmission module,a communication module,a display and a housing.The embedded control software of the device was developed with KEIL 5 and C++.Results The device developed prepared the low-oxygen gas with the volume fraction being 4%to 18%and the maximum error of volume fraction being 0.05%,and the main components of the prepared gas met the technical requirements of medical oxygen as stipulated in GB 8982—2009 Oxygen supplies for medicine and aircraft breathing.Conclusion The low-oxygen gas prepared by the device has its volume fraction precisely controlled and can be used for hypoxia tolerance testing and acclimation training for pilots.[Chinese Medical Equipment Journal,2024,45(7):24-28]

关 键 词：缺氧耐力检查 低氧气体制备 习服训练 飞行安全 

分 类 号：R318[医药卫生—生物医学工程] R197.39[医药卫生—基础医学] R85