飞机除冰液加热与供液监控系统设计与实现

Design and Implementation of Heating and Monitoring System for Aircraft Deicing Liquid

在飞机集中除冰模式下,除冰液的快速加热和大流量供液是飞机地面除冰系统工艺与设备的关键技术,为了提高飞机地面除冰的安全性和高效性,充分发挥除冰设备的效率,有必要对除冰液的加热和供液进行有效地监控和管理。介绍了除冰液加热与供液装置的工作原理,构建了基于上位机和PLC构成的分布式监控系统,对系统的硬件结构和网络组态形式进行了详细地描述。针对高粘度液体加热和大流量供液问题开发了除冰液管路压力控制算法和加热与供液软件模块,基于组态软件开发了上位机监控和管理单元。依据使用要求,在试验系统上分别对温度和压力参数进行实验,实验结果显示该系统能够满足使用要求,设计方案可行,为同类系统设计提供了参考。

The problem of fast heating and supplying of deicing fluid of aircraft ground deicing systems with safety and efficiency is discussed. The working principle of the heating and supply equipments is introduced. And the hardware and network structure based on IPC and PLC are depieked in detail. The pressure control arithmetic and heating module are developed to solve the preblems caused by big eonglutination and flow. Then the monitor and management module on the platform of configuration software are developed. Test results of temperature and pressure based on the experiment system show that the system scheme is feasible and can meet usage condition.