Today, this article will bring you a water solenoid valve. What is the water solenoid valve? How does it work? What are the characteristics? Let Xiaobian lead everyone to take a look!
The water solenoid valve has a closed cavity, and there are through holes at different positions. Each hole leads to a different oil pipe. The middle of the cavity is a valve. On both sides are two electromagnets. Which side of the magnet coil is energized? Which side is attracted to, by controlling the movement of the valve body to block or leak different oil drain holes, and the oil inlet hole is normally open, the hydraulic oil will enter different oil drain pipes, and then pushed by the pressure of the oil The piston of the cylinder, which in turn drives the piston rod, and the piston rod drives the mechanical device to move. This controls the mechanical motion by controlling the current of the electromagnet.
working principle:
There are closed chambers in the solenoid valve. There are through holes in different positions. Each hole leads to different oil pipes. The middle of the cavity is a valve. On both sides are two electromagnets. Which side of the magnet coil is energized? Which side is attracted, by controlling the movement of the valve body to block or leak different oil drain holes, and the oil inlet hole is normally open, the hydraulic oil will enter different oil drain pipes, and then the oil will be pushed by the pressure of the oil. Just the piston, the piston drives the piston rod, and the piston rod drives the mechanical device. This controls the mechanical motion by controlling the current of the electromagnet.
classification
Direct-acting water solenoid valve:
Principle: When energized, the electromagnetic coil generates electromagnetic force to lift the closing member from the valve seat, and the valve is opened; when the power is off, the electromagnetic force disappears, the spring presses the closing member against the valve seat, and the valve is closed. Features: It can work normally under vacuum, negative pressure and zero pressure, but the diameter is generally not more than 25mm.
Distributed direct-acting solenoid valve:
Principle: It is a combination of direct motion and pilot type. When there is no pressure difference between the inlet and the outlet, after energization, the electromagnetic force directly lifts the pilot small valve and the main valve closing member upward, and the valve opens.
The water solenoid valve is an automatic basic component used to control fluids and belongs to the actuator; it is not limited to hydraulic and pneumatic. Solenoid valves are used to control the direction of hydraulic flow. The mechanical mechanisms of the plant are generally controlled by hydraulic steel, so solenoid valves are used.
When the inlet and outlet reach the starting pressure difference, after the energization, the electromagnetic force leads the small valve, the pressure of the lower chamber of the main valve rises, and the pressure of the upper chamber drops, so that the main valve is pushed upward by the pressure difference; when the power is off, the pilot valve uses the spring The force or medium pressure pushes the closure and moves down to close the valve.
Features: It can also be operated at zero differential pressure or vacuum or high pressure, but the power is large and requires horizontal installation.
main feature:
Expanded the field of use with a direct-acting diaphragm structure without pressure start
The flat diaphragm structure is reliable in opening and closing and enhances the service life of the product.
The use of plastic-sealed coils enhances the safe use of this product in a wide range of environments.
Working use:
The water solenoid valve is suitable for working with water or liquid, and can automatically control or remotely control the switching of working medium pipelines such as water, oil and liquid. Since the valve is rubber-sealed, the cleanliness of the working medium is greatly reduced, and the opening and closing speed is high, and the reliability is high.
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