某直升机警戒雷达发射机结构设计

Structure Design of a Helicopter Surveillance Radar Transmitter

直升机警戒雷达发射机功率量级大,发热量大,而飞机本身不能提供冷却风,机载情况下对发射机的体积和重量也有严格的要求,加之载机状态苛刻的工作环境,在较小的体积内研制重量轻、可靠性高的发射机难度较大。文中针对上述工作环境特点,提出了发射机整体结构设计思想,并着重讨论了热设计、结构强度设计和高压绝缘设计中的关键问题。设计的结果和最终实验证明,该发射机具有良好的工作稳定性和可靠性。文中的研究成果对直升机雷达的结构设计研究具有重要的借鉴意义。

The helicopter surveillance radar transmitter is characterized by high power and small space,while the helicopter itself can not provide any cooling air.Besides,the size and weight of the air-borne radar transmitter are strictly limited.Therefore,it is difficult to design the lightweight and highly reliable transmitter in the limited space.According to the work environment characteristics of the helicopter surveillance radar transmitter,the overall structure design method of the transmitter is proposed.The key issues of the thermal design,the strength design and the high voltage insulation design are focused.The design result and the final test have proved that the transmitter has good work stability and reliability.The design result can be used as an important reference to the structure design of helicopter radar products.