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随着农业辐照工作的深入并展,要求辐照系统更加准确、自动和安全。据此,我所钴室自行设计和安装了一套双钻源控制系统。从1983年5月开始使用至今,运行情况良好,完全达到设计要求。本系统控制原理见图1。其控制过程首先是做好一切准备工作,将时间控制器接通电源,预置好辐照时间,选好辐照位置,接通控制台电源。当按自动启动按钮,则接通通风和报警电路.在延时电路的控制下,通风电路和报警电路到时分别自动停止工作。报警结束后
With the further development of agricultural irradiation, the irradiation system is required to be more accurate, automatic and safe. As a result, a cobalt drill room has been designed and installed on our own. Since its use in May 1983, it has been operating well and has fully met the design requirements. The system control principle shown in Figure 1. The first of its control process is to do all the preparatory work, the time controller connected to the power supply, preset radiation time, select the irradiation position, connected to the console power supply. When the button is pressed automatically, the ventilation and alarm circuits are switched on, and the ventilation circuit and the alarm circuit are automatically stopped when they are under the control of the delay circuit. After the alarm is over