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| Technology Solenoid Valve |
(1) solenoid valve technology, the characteristics of its development
Solenoid valve as an actuator automation instruments in recent years, consumption increased dramatically. This paper analyzes the main characteristics of solenoid valves, and focus on the application point of view of domestic developments in mature technologies are summarized, respectively, in the streamlined, intelligent, universal, made a special study of the direction, and a little on the impact of solenoid valve technology, the development of point of social factors.
1, the main characteristics of solenoid valve
(1) The leakage block extinction, internal leakage and easy to control, safe to use.
Internal and external leaks are endangering the security elements. Other automatic control valve will usually stem protruding from the electric, pneumatic and hydraulic control of the implementing agencies of the rotating spool or mobile. This is all a long-term action to resolve the external dynamic seal valve stem leakage problems; only masterpieces of electromagnetic solenoid valve is used in sealed compartment inside the magnetic core casing to complete, there is no dynamic seal, so easy to block leakage must. Electric torque control valve is not easy, prone to internal leakage, and even pulled off the head stem; solenoid valve easily controlled in the structural type of leakage, until reduced to zero. Therefore, the use of special safety solenoid valve is especially suitable for corrosive, toxic or high temperature media.
(2) The system is simple, they take computers, low price.
Solenoid valve itself is simple, the price is also low, compared to control valve actuators, and other types of easy to install and maintain. More significant is the automatic control system consisting of much simpler, the price is much lower. As the solenoid valve is a switching signal control, and industrial control computer is connected is very convenient. In today's widespread use of computers, an era of declining prices, the electromagnetic valve is even more obvious advantages.
(3) Action Express, power tiny, lightweight form factor.
Solenoid valve response time can be as short as a few milliseconds, even in the pilot-type solenoid valve can control tens of milliseconds. Since the two into a loop, other than the automatic control valve more responsive. Properly designed electromagnetic valve coil power consumption is very low, is energy-saving products; can be triggered simply moves automatically to maintain valve position, usually not at power consumption. Solenoid valve shape, small size, not only save space, but also light and beautiful.
(4) regulation accuracy is limited, application limited medium. Solenoid valves are usually only switches two states, spool limit has been placed in two positions can not be continuously adjustable, (trying to break a lot of new ideas, but are in the pilot trial phase), so regulation accuracy is also subject to certain restrictions.
Solenoid valve on the media have a higher cleanliness requirements, including granular media can not be applied in the case of impurities must first filtered. In addition, the viscous medium can not be applied, and that specific product for the medium viscosity range is relatively narrow.
(5) models varied widely used. Although the solenoid valve congenitally deficient, advantages are still very prominent, so we designed a wide range of products that meet a variety of different needs, uses very extensive. Solenoid valve technology advances are also revolved around how to overcome the inherent deficiencies, how to better play the inherent advantages initiated.
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