Talking about the Intelligent Status Quo and Development Trend of Electric Valves
Keywords: electric valve; intelligent; current situation; development trend With the continuous improvement of China's scientific and technological level, more and more industries are beginning to develop in the direction of intelligence. Electric valves are widely used in industrial production. In the class control management system, the transportation medium is adjusted to control the production operation of the entire system, so the intelligent development of the electric valve is very necessary. In the traditional production mode, a large number of manual operations are often required, and the intelligent development of electric valves can not only effectively improve the efficiency of industrial production, but also reduce labor costs, bring huge economic benefits to enterprises, and at the same time Accurate judgment and execution will also ensure the accuracy and safety of industrial production. Therefore, it is necessary to pay sufficient attention to the intelligent research of electric valves, and to develop and promote them vigorously in combination with the market.
I. Classification and introduction of electric valves The valves are mainly used to adjust the flow of media in various types of system pipes. Therefore, valves are available in various types and models. Valves need to be powered for power to provide their functions. The three types of valves commonly used in the market, such as pneumatic transmission, hydraulic transmission and electric power, are named according to the different power sources they use. The power source is different, and the advantages of each type of valve and the scenario in which it is applied are different.
As the name implies, the pneumatic transmission controls the valve by the pressure generated by the gas compression, thereby functioning as a control pipe. Because compressed gas is more difficult to obtain and costly, pneumatic transmission valves are often not used for various types of pipeline control, which limits their development.
The hydraulic transmission valve uses liquid as the medium to control the valve. By means of a small volume of liquid medium, the valve can be stably controlled, especially in the case of high speed transmission of the valve. Due to the particularity of the liquid transmission valve medium, this type of valve is only suitable for high power scenes, and the liquid transmission valve is relatively large in volume, requires a certain amount of manpower in the installation process, and is not often used in various industrial production. .
Electric valves are the most widely used in three types of valves. Electric valves are mainly composed of two parts: valve and valve electric device. The control of the valve is realized by microelectronic technology. The biggest advantage of the electric valve is that it can be operated without manual control. Only the command needs to be set in advance, and the machine can realize automatic control. The electric valve is easy to install and the operation steps are simple and clear. Due to its high work efficiency, responsiveness and strong safety performance, it is often used in industrial production for overall control of various operating systems.
Second, the intelligent characteristics and current status of electric valves 2.1 The digitalization and control process of the computerized electric valve actuator is connected to the control system by means of the power carrier. In the operation of the electric valve, the digital signal replaces the previous one. Manual operation, the actuator performs the corresponding valve operation by reading the digital signal from the upper computer, which is not only efficient but also simple and clear, and the operation mode of the valve becomes more flexible.
In the process of controlling the operating system, it is necessary to accurately determine the flow medium in the pipeline and perform corresponding valve control. In the traditional working mode, the microprocessor accepts and transmits the signal, and then controls the valve accordingly. In the electric valve, by directly adding the servo amplifier to accurately capture the signal, the direct control of the valve can be realized, and the introduction of computer technology into the control process of the electric valve will further contribute to the torque control of the electric valve.
2.2 Intelligent diagnosis and treatment Because the valve is frequently used in daily use, the failure rate is relatively high. Therefore, the intelligent realization of fault diagnosis and treatment will help industrial production to proceed better. By installing the sensor and various execution detecting devices into the actuator and operating circuit of the valve, self-detection of the valve failure can be realized. After detecting the fault, the system can adjust and process the corresponding problem structure to achieve intelligent valve processing. The purpose of the problem. The intelligentization of the fault diagnosis and treatment of the valve can reduce the unnecessary work load for the maintenance personnel while ensuring the efficiency of industrial production.
2.3 Electric Valve Intelligent Research Status Electric valve is composed of valve and actuator. At present, the design and manufacture of electric valve in China is not integrated, but the two parts are designed and manufactured separately by different manufacturers. Due to the different production requirements and manufacturing techniques of different manufacturers, this makes the valve and the actuator mismatch in the actual installation process of the electric valve, which leads to technical problems in the use of the electric valve. With the advancement of technology, the intelligent development of electric valves has become better and better, and intelligent electric actuators are the best proof. The application of this actuator to electric valves can effectively guarantee the safety of electric valve operation. Sex and stability.
Third, the trend of intelligent development of electric valves With the development of the country and the needs of society, the intelligentization of electric valves is an inevitable development trend. Valves have been involved in the development of production as mechanical equipment in the past, and today's intelligent development and application, all of which are inseparable from the development and improvement of China's science and technology. With the innovation and development of various electronic technologies, the intelligent development of electric valves will also receive more technical support. In the future, the performance of electric valves will be more improved and developed, and the scope of application will become more Widely, it can become more intelligent in dealing with problems, which not only reduces the burden on the staff, but also provides quality assurance for industrial production and brings better economic benefits to enterprises and society.
IV. Conclusion Although China is vigorously developing the research on the intelligentization of electric valves, there is still a technical gap compared with foreign countries. Therefore, researchers need to strengthen the research and development of electric valves by combining market demand and related advanced technologies. The realization of integration and integration enhances the performance and safety of electric valves and provides assistance for the development of industrial production in China.
references:
[1] Liu Jiayi. The current status of intelligent valve and its development trend [J]. China Petroleum and Chemical Standards and Quality, 2018, 38 (10): 90-91.
[2] Xie Youxiang. Intelligentization of electric valve and its development status [J]. Electronic Technology and Software Engineering, 2017(11): 251.
[3] Wang Yali. Intelligentization of electric valve and its development status [J]. Science and Technology Innovation and Application, 2017 (08): 68.
[4] Yang Bo, Wang Jinquan, Shan Lili, Chu Ying. Torque Identification and Intelligent Research of Electric Valves[J].Valves,2018(05): 18-21+27.
[5] Sun Jing Department. Intelligent introduction of electric valve [J]. Volkswagen Technology, 2017 (12): 45-46.
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