摘要
针对疫情爆发阶段,跨国远距离转运烈性病患者,设计一种负压转运保障舱,可提供多人次、远距离的转运保障服务。本产品基于串联式结构设计,集成了稳定负压设备、高效过滤装置于一体,利用ANSYS静力学仿真分析验证了转运舱结构的可靠性;设计的送排风系统与PID控制组成的双闭环系统可以使舱内负压实现−60 Pa~0 Pa调节,保证舱内压力保持稳定,通过实验验证了可靠性;设计开发的三级空气过滤装置,可对0.3 um气溶胶过滤效率为99%,杜绝了转运过程中病毒的泄露和传播。另外,通过实验验证了装置的可靠性和可行性。此转运保障舱可以为患者的医疗救助提供便利,也可为医护人员的安全提供保障,具有广泛的应用前景。
In view of trans-national long-distance transport of patients with severe diseases during the out-break of the epidemic, a negative pressure transport support cabin is designed to provide mul-ti-person-time and long-distance transport support services. This product is based on the series structure design, which integrates the stable negative pressure equipment and the efficient filtra-tion device. The reliability of the transport cabin structure is verified by the static simulation analysis of ANSYS. The closed-loop system composed of the designed air supply and exhaust system and PID control can realize −60 Pa~0 Pa adjustment of the negative pressure in the cabin, and ensure that the pressure in the cabin remains stable. The three-stage air filtration device designed and developed can filter 0.3 um aerosol with an efficiency of 99%, which eliminates the leakage and transmission of the virus in the process of transport. In addition, the reliability and feasibility of the device are verified through experiments. This transport safeguard compartment can provide convenience for the medical assistance of patients and guarantee the safety of medical staff, so it has a wide application prospect.
出处
《机械工程与技术》
2021年第2期257-263,共7页
Mechanical Engineering and Technology
