The development of smart valve controller

The development of smart valve controller

The valve is an important part of the pipeline control system. It is used to cut off and regulate the medium flow in the pipeline. It is widely used in petroleum, chemical, power station, long-distance pipeline, shipbuilding, nuclear industry, various cryogenic engineering, aerospace and marine oil production. And other sectors of the national economy. The electric valve is a valve electric device that includes a controller and a valve body. The instrument valve electric device is both a component of the electric valve and a very important basic device for realizing the valve automation system. It is suitable for various types of valves such as globe valves, gate valves and butterfly valves. The electric actuator has the advantages of faster operation, faster response, higher work efficiency, and better speed control than traditional mechanical actuators. It is used as an important device for controlling and driving valves, and has been obtained at industrial sites such as petroleum, power stations, and sewage treatment. Wide range of applications.

The intelligent electric actuator series is a new type of terminal control instrument. Microelectronics and microcomputer technology are applied to the basic products of actuators. The technical content is greatly improved, and many functions can be solved by electronic and software. It directly changes the displacement of the valve according to the control electrical signal, uses the microcomputer technology and field communication technology to expand the function, and realizes the functions of various control technologies such as two-way communication, PID adjustment, on-line automatic calibration, self-calibration and self-diagnosis, and effectively improves control. Level, but also to obtain faster response time, to achieve control is more reasonable, convenient and economical, and thus welcomed by users and become the general trend of the development of valve controller. However, existing domestic valve and valve controllers have large equipments, backward control methods, low control accuracy, low reliability, lack of perfect protection and fault alarm measures, and necessary communication means, and cannot achieve a good human-machine dialogue. Problems, etc., are not easy to debug and maintain, and cannot be parameterized according to the actual needs of production

On-site adjustments cannot form a network for remote control and can no longer keep pace with the needs of industrial development.

With the rapid development of modern industries such as energy, chemical industry, steel and transportation in China and the application of water, gas, and oil energy fluids that are closely linked to it, industrial electric valves in pipeline systems are playing an increasingly important role in production. effect. The continuous improvement of electromechanical integration technology puts forward new requirements for the control of valve electric devices. There is an urgent need for intelligent new generation products to increase production efficiency. The valve devices and their electric controllers produced abroad are expensive, the after-sales service is not perfect, and parts and components are difficult to complete. Therefore, the advanced development performance, complete functions, and reliable work can be achieved especially for remote control of valves, on-site operation, and centralized control. The new intelligent valve controller has very important practical significance.

Original article copyright belongs to Zhenjiang Jiutai Instrument Valve Co., Ltd., please indicate the source: