Valve controller

The utility model provides a valve controller. The valve controller comprises an actuator, a valve controller main shaft, a connector and a position sensor, the actuator is in driving connection withthe valve controller main shaft and drives the valve controller main shaft to do axial linear motion; the position sensor comprises a telescopic arm, and the telescopic arm is connected with one end of the valve controller main shaft through the connector. The device is simple in information structure, low in cost, flexible in installation and arrangement, and suitable for various emergency environments of laboratories. 本实用新型提供了一种阀门控制器，包括：执行器、阀门控制器主轴、连接器以及位置传感器；所述执行器驱动连接所述阀门控制器主轴，驱动所述阀门控制器主轴做轴向直线运动；所述位置传感器包括一个伸缩臂，所述伸缩臂通过所述连接器与所述阀门控制器主轴的一端连接。本实用信息结构简单、成本低廉，安装布置灵活，能够适用于实验室的各种应急环境。