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精密导电环在高速高温真空环境中输电特性研究

Keywords: 导电环输电特性信噪比真空高温高速转动实验设计相对旋转结构信号发射装置

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Abstract:

把HJT—K—6型导电环安装在高温高速真空的模拟工程环境中,测量了其在0.133Pa真空下,环境温度为常温与100℃以及其转速分别为0.16m/s、0.32m/s、0.63m/s、1.25m/s时传输的电压信号随时间的变化及其信噪比,并用X—Y记录仪记录实验结果.结果表明,高速转动和高温使电压信号的信噪比增加.即使环境温度为100℃、转速为1.25m/s时导电环传输的电压信号的信噪比也不低于278:1.说明在高速高温真空环境中HJT—K—6型导电环对电压信号的传输影响很小,能把转动环上的电信号很好的导出真空室,可以在类似工程环境中使用。

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