基于Zigbee的机载箔条/红外弹投放设备原位检测仪

In-situ Testing System of Airborne Chaff and Flare Delivery Equipment Based on Zigbee

为提高外场条件下机载箔条/红外弹投放设备维护检测的效率,设计了基于ZigBee无线技术的原位检测仪;原位检测仪由便携式手持显控终端和6个信号采集装置组成,通过ZigBee技术组网同步工作,可实现在分机不离位的条件下整机性能指标的测试;便携式手持显控终端以基于ARM7框架的Cortex-A8双核处理器为核心,完成数据处理、显示及ZigBee模块的接口控制功能;信号采集装置采用和机载箔条/红外干扰弹投放设备发射器完全一致的机械和电气接口,以实现和机体的机械及电气连接;同时以低功耗微处理器STM32为核心,完成点火脉冲信号采集、数字化及ZigBee模块的接口控制功能;该原位检测仪具有体积小、重量轻、功耗低、便于携带、无需连接电缆等优点;测试结果表明:检测仪能够检测箔条/红外干扰弹投放设备的性能指标,满足外场原位检测的需求。

To improve the efficiency of maintenance of in-situ testing for the airborne chaff and flare delivery equipment,an automatic test system for the chaff and flare delivery equipment is designed based on ZigBee wireless technology.The in-situ detection equipment consists of a portable handheld display and control terminal and six signal acquisition devices.The handset terminal,which is based on the Cortex-A8 dual core processor with ARM7 core,is used for data processing,display and interface control function of the Zigbee module.The signal acquisition device adopts the mechanical and electrical interface which is identical with the launcher of the chaff and flare delivery equipment,and can realize the mechanical and electrical connection with the airframe.The low power microprocessor STM32 is used as the core of signal acquisition device,which is used to complete the signal acquisition and digitization of ignition pulses,as well as the interface control function of Zigbee module.The in situ detector has the advantages of small size,light weight,low power consumption,easy to carry,no connection cable required and so on.The results show that the detector can test the performance of the chaff and flare delivery equipment,and can also meet the requirements of in situ testing in outfield.