本文简要的介绍了利用单片机实现真空阀门控制的工作原理,阐述了软硬件的具体实现方法。它应用于BEPCⅡ直线加速器真空系统的阀门控制系统,系统选用冷规作为真空度传感器,可同时测量8路信号,具有抗干扰性强,控制准确,实时性强的特点。该控制系统可实现多路控制,具有效率高,体积小,成本低的特点。 This article briefly introduced the use of single-chip vacuum valve control to achieve the working principle of the hardware and software described the specific implementation. It is applied to the valve control system of BEPC linear accelerator vacuum system. The system selects cold gauge as the vacuum sensor and can measure 8 signals at the same time. It has the characteristics of strong anti-interference, accurate control and real-time performance. The control system can achieve multiple control, with high efficiency, small size, low cost.