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    Working Principle of Miniature Solenoid Valve

    Author:河源市柏爾科技有限公司 Click: Time:2018-12-23 14:17:05

    Direct-acting solenoid valve:.

    A. Normally open solenoid valve: close when electrified, open when power off. Normally open solenoid valve, after the solenoid coil is electrified, the movable iron core of the valve body is pulled forward and the fixed iron core is sucked together to block the fixed iron core intake nozzle or to close the intake nozzle; after the power is cut off, the spring pushes the movable iron core away, so that the movable iron core and the fixed iron core remain in the state of departure. If it is used in electrical appliances for a long time to open, it is preferable to use the usual open valve.

    B. Normally closed solenoid valve: open when electrified, close when power off. Normally closed solenoid valve, when the solenoid coil is electrified, the movable iron core of the valve body is pulled forward and the fixed iron core is sucked together to open the iron core and the skeleton intake or outlet air nozzle; after power failure, the spring pushes the movable iron core forward to block the movable iron core and the skeleton air nozzle in the closed state. Normally closed valve is blocked by spring force, so the spring elasticity used is much larger than that of normally open valve. The spring force is determined by the pressure of the load used. If it is used in various electrical appliances for a long time to close, the selection of normal closing valve is preferred.

    Therefore, the spring elasticity used is much larger than that of normally opened valves, and the spring force is determined according to the air pressure of the load used. If it is used in various electrical appliances for a long time to close, the selection of normal closing valve is preferred. _

    The main components of solenoid valve are: electromagnetic coil, movable iron core, fixed iron core, U-shaped iron and iron cover, lead, sealing ring, sealing plug, etc.

    Principle: When electrified, the electromagnetic coil produces electromagnetic force to lift the closing part from the valve seat, and the valve opens; when power is cut off, the electromagnetic force disappears, and the spring presses the closing part on the valve seat, and the valve closes. Features: Small size, low adult, low power consumption, wide range of applications; For various types of electrical appliances, we must make selection of their own product characteristics or best contact professional solenoid valve factory in-depth understanding.


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