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重庆江北机场的全向信标,是从法国汤姆逊公司引进的 DVOR512D 设备。该设备自1989年安装投入使用以来,工作性能不稳定,故障率特别高,导致送修频繁。由于部件送修周期长、费用高,给保障设备的正常运行和保证安全生产带来了一定的困难。针对这一情况,我们组织技术人员对该设备的工作原理、线路设计进行了认真的分析研究。我们认为,该设备经常故障的直接原因是在关键电路的设计上存在不足,同时选用元器件不当。现将最常见的电源和功放两部分故障作以下分析并给出解决方案。
Chongqing Jiangbei Airport omnidirectional beacons, is the introduction of DVOR512D equipment from France’s Thomson company. The equipment has been installed and put into use since 1989, the working performance is unstable, the failure rate is particularly high, resulting in frequent delivery. Due to the long delivery cycle of components, the high cost, to ensure the normal operation of equipment and ensure safety in production has brought some difficulties. In response to this situation, we organize technical staff on the working principle of the device, the line design conducted a careful analysis. We believe that the direct cause of the equipment failure is the lack of key circuit design, while the selection of components is not appropriate. Now the most common power and power amplifier failure of the two parts for the following analysis and gives solutions.