The difference between double coil solenoid valve and single coil solenoid valve

Double coil The difference between solenoid valve and single coil solenoid valve

Solenoid valves are divided into double solenoid control and single solenoid control. Double solenoid control has two solenoid coils. The double solenoid valve should usually be an electromagnetic reversing valve. The single coil is always energized and the air intake is turned on, while the double coil is energized instantly. The slide valve of the single-coil solenoid valve is spring-return. The solenoid valve automatically resets after powering on. Double-coil solenoid valves require the other side of the coil to be energized in order to change positions.

Double-coil solenoid valve has two types: A and B The coil operates as follows: A is not energized, B is not energized, and the solenoid valve is in the initial position. If A is energized at this time, B is not energized, the solenoid valve action changes direction. In the next step, A is powered and then loses power, B is not powered, and the solenoid valve no longer operates, maintaining the state when A is powered and B is not powered. In the next step, A is de-energized and B is energized, then the solenoid valve returns to its initial position. In the next step, A is de-energized, B is de-energized, and the solenoid valve does not move and is still in the initial position. In general, if coils A and B are not charged at the same time, then Solenoid valve keeps A powered (while B loses power) or B powered ( The state when A loses power at the same time).

Simply speaking, simply When the coil is energized, the mechanical part of the valve core moves, and when the coil is deenergized, it returns to its original position by mechanical force. The mechanical part of the double coil moves when the coil 1 is powered, and the position becomes inconvenient after the power is lost. When coil 2 is powered, the mechanical part changes from position 1 to position 2, and remains there after losing power.

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