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江苏2W-250-25

2021-06-05 15:40:45
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江苏2W-250-25
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What is the reason for the insufficient suction power of the solenoid? What is the impact of insufficient suction? This article is compiled by the after-sales service and front-line employees of Shanghai Ruwei Valve-Solenoid Valve Manufacturer. We often encounter customer reports that the solenoid valve has insufficient suction when used, and the electricity is still connected. The valve will close or the flow will drop significantly. What is the reason? The following focuses on the analysis from the factors that affect the solenoid valve coil suction.


According to Faraday’s principle of electromagnetic induction, the magnetism generated by the brass solenoid valve coil comes from current induction, F=BILsinaθ:


they:


1. F: represents the electromagnetic force of the valve core in the coil magnetic field, unit (N)


B: Represents the magnetic induction intensity generated by the electromagnetic coil, the unit (T, or "TT" for short)


I: Represents the current in the coil, unit (A)


L: Indicates the length of the spool, unit (m), which is in the solenoid coil


θ: Represents the angle between the direction of magnetic induction and the direction of current.


It can be seen from the above electromagnetic force formula that when the magnetic induction intensity of the two-way solenoid valve is perpendicular to the current direction (θ=π/2), the valve core receives the largest electromagnetic force in the magnetic field. If the magnetic induction intensity direction is parallel to the current direction (θ=0° or θ=180°), the electromagnetic force of the valve core in the magnetic field is zero.

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