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2009年,导管工程组完成了冷中子导管真空控制系统的设计工作,以配合将来的冷中子导管系统的正常工作。根据中子导管系统需要维持低真空状态的要求,真空控制系统依据实际的中子导管系统情况,设计出使用7台真空泵,7个真空计,利用PLC中心数据控制,设定真空计上下限来控制电磁阀和真空泵的开启以及关闭的控制系统。控制系统的设计能够实现:1)保证中子导管系统长期低真空状态(10Pa以下)。
In 2009, the Catheter Engineering Group completed the design of the cold-neutron conduit vacuum control system to cope with the normal operation of the future cold-neutron conduit system. According to the requirements of the neutron tube system to maintain a low vacuum state, the vacuum control system is designed to use 7 vacuum pumps and 7 vacuum gauges according to the actual situation of the neutron tube system. The upper and lower limits of the vacuum gauge are set by using the PLC center data control Controls solenoid valves and vacuum pumps on and off the control system. Control system design can be achieved: 1) to ensure long-term low-voltage neutron tube system (10Pa below).