The working principle of the solenoid valve of the water purifier, how to judge the quality of the solenoid valve of the water purifier

What is net Water machine solenoid valve

It is a product that controls the water flow of the water purifier through electromagnetism and is a basic component of automation. Solenoid valve can cooperate with different circuits to achieve the desired control effect, and the control is flexible Very accurate. To put it simply, the flushing effect of the water purifier can be achieved through the function of the water inlet solenoid valve!

In the process of using the water purifier, some sewage and impurities will remain inside the machine due to the filtration of the filter element. If it is disassembled and cleaned, it will be very troublesome. Using the water inlet solenoid valve can complete the internal flushing well and ensure the clean water of the product. Effect.

Working principle of the solenoid valve of the water purifier< /span>

When the solenoid valve is not energized, the metal core closes the center hole through the rubber pad under the action of the spring force at its upper end and automatic gravity, so that the water pressure in the water inlet chamber is in contact with the rubber valve and The water pressure in the sealing cavity between the plastic pilot valves is equal, so that the rubber valve is firmly pressed against the water pipe opening in the valve body, cutting off the water flow and ensuring the normal closing of the water inlet valve. When the solenoid valve is powered on, due to the action of electromagnetic force, the metal core is sucked up and the central hole is opened. At this time, the cavity pressure between the rubber valve and the plastic pilot valve is lower than the tap water pressure in the water inlet chamber. The rubber valve is pushed open, and the solenoid valve starts to inlet water.

How to judge the quality of the solenoid valve of the water purifier

First, you can use a multimeter to measure the DC resistance on both sides of the solenoid valve, Generally around tens of ohms. Of course, you can also look at the power and voltage on the solenoid valve to calculate The DC internal resistance of the solenoid valve. If the resistance is too small, the solenoid valve coil is short-circuited;if it is too large, the solenoid valve coil is open-circuited.

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