串级二极管悬浮电极支撑控制系统的研制

串级二极管悬浮电极支撑控制系统主要包括支撑结构、驱动电路和同步控制三部分。支撑结构采用基于电磁铁工作原理的支撑针，对悬浮电极进行三点定位；驱动控制采用高压脉冲电容放电驱动螺线电磁铁，使电磁铁支撑针在5 ms内移动30 mm，悬浮电极在撤去支撑的5 ms内自由落体125 m；同步控制采用螺线电磁铁线圈信号作为同步控制初始信号，对该信号延时5 ms，触发闪光二号的前级触发源，启动闪光二号主机工作，实现螺线电磁铁与闪光二号主机的同步。使用该套支撑控制系统用于串级二极管前期研究，初步实现了两级间隙串联工作。

Support and control system for suspension electrode of double-gap series diode

The support and control system of double-gap series diodes suspension electrode was developed. It consists of support pins, driver circuit and synchronization control part. The support pins are retracted using three small solenoids, and the suspension electrode is accurately located by the three support pins. The withdrawing support pins are driven by a capacitor discharge, and with the driving, the pins can move 30 mm and the suspension electrode can move 125 m in 5 ms. The voltage signal of magnetic coil is used as the synchronization control signal. It triggers the time delay unit DG535, which may export a pulse delayed by 5 ms and trigger the forestage trigger source of Flash-Ⅱ. The Flash-Ⅱ starts at the same time when the support pins withdraw from the diode space. The experimental results indicate that the double-gap series diode is reliable with the suspension electrodes support and control system.