Excavator parts Sanyi Yuchai Pilot Safety Lock Solenoid Valve Coil

The resistance measured by the inductance coil of AC solenoid valve is DC resistance, not inductance. The resistance is determined by the resistance of the enameled wire of the winding, and the solenoid valve controls the valve action by generating magnetic force through electromagnetic induction. The solenoid valve can not be judged according to the resistance.

The resistance of the solenoid valve coil depends on the requirements of the equipment used. The greater the resistance, the smaller the suction, and vice versa.

Therefore, the resistance of the coil should meet the operation requirements of the equipment, and there is no problem of the size and quality of the resistance.

The resistance value of the coil on any equipment is related to its power and working temperature, generally from several ohms to several megaohms. Generally, the quality of solenoid valve coil can not be judged simply from the coil resistance, but from the materials used in manufacturing process.

Of course, the bigger the better, but the smaller the better. Ac solenoid valve mainly works by reactance XL, which has a great relationship with the frequency of the coil. The static resistance R of AC solenoid valve will be much smaller than that of DC solenoid valve, that is, the wire will be thicker and the number of turns will be shorter.

According to the formula of magnetic energy, the magnitude of magnetic energy is in direct proportion to the square of magnetic induction intensity B. The greater the current passing through the coil, the greater B will be, so the stronger the magnetic energy will be. From the perspective of power design, the resistance R of the deceleration coil is correct if the power is to be large.

Of course, it also depends on the specific needs. If the power is large, the loss will be large, and the volume will be large, depending on the demand.

Commonly used solenoid valves are: single-phase valve, safety valve, directional valve, hydraulic and pneumatic valve, speed regulating valve, etc.

For example, the hydraulic control in the factory uses solenoid valves.