CINRAD/SA-SB雷达高频放大链前级组件故障诊断系统设计与实施
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国家重点研发计划(2018YFC1506100、2018YFC1506102)资助


Design and Implementation of Fault Diagnosis System for Front-Stage Component of CINRAD/SA-SB Radar High Frequency Amplification Chain
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    摘要:

    根据S波段新一代天气雷达高频放大链前级组件重要功能模块固态放大器和射频脉冲形成器的内部结构以及工作原理和维修需要,设计了一套支持固态放大器和射频脉冲形成器组件测试与维修诊断系统。此系统详细阐述了设计的流程,主要包括硬件,电源,电路接口,控制逻辑和显示电路等设计,为测试维修固态放大器和射频脉冲形成器提供所需的各种电压、控制信号、时序逻辑信号等,满足对固态放大器和射频脉冲形成器故障的电路信号测试,判断故障点及元器件。系统以直接输出故障指示的方式快速完成测试及故障定位,从而确保维修人员的人身安全和雷达设备不受二次损坏,保证了雷达故障修复的时效性。

    Abstract:

    According to the internal structure, working principles and maintenance requirements of the frontstage component of the Sband newgeneration weather radar high frequency amplification chain and important functional modules such as solidstate amplifier and RF pulse former, a set of diagnosis system which can support the test and maintenance of the solidstate amplifier and RF pulse former is designed. The design flow of the system is described in detail, mainly including the design of hardware, power, circuit interface, control logic and display circuit. It can provide a variety of voltage, control signal, timing logic signal for testing and maintenance of the solidstate amplifier and RF pulse former, thus meeting the circuit signal testing requirements of solidstate amplifier and RF pulse former faults, and judging fault points and components. The directoutput fault indication allows to conduct tests and fault location quickly, thus to ensure the safety of the maintenance personnel and to protect the radar equipment from secondary damages and assuring the timeliness of radar fault maintenance.

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杨奇,李传柱. CINRAD/SA-SB雷达高频放大链前级组件故障诊断系统设计与实施[J].气象科技,2020,48(6):808~815

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历史
  • 收稿日期:2019-11-19
  • 定稿日期:2020-05-18
  • 录用日期:
  • 在线发布日期: 2020-12-28
  • 出版日期: 2020-12-31
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