Engine oil pump solenoid valve 881969
Engine oil pump solenoid valve 881969
Engine oil pump solenoid valve 881969
Abstract: With the widespread application of automation and safety instrument systems in industrial facilities, the solenoid valve, as the executor for controlling safety interlocks, plays a very important role. However, as the usage time of the solenoid valve increases, faults such as air leakage, oil leakage, and rusting are inevitable. Therefore, this paper elaborates on the structure and principle of the solenoid valve, summarizes the failure modes of the solenoid valve, analyzes the causes of its failure, discusses and proposes relevant maintenance strategies, providing reference value for improving the maintenance of the solenoid valve.
The solenoid valve is composed of an electromagnetic component and a valve body. The electromagnetic component consists of a fixed iron core, a moving iron core, a coil, and other components. The valve body part is made up of a sliding valve core, a sliding valve sleeve, and a spring base, etc. It is widely used in industrial production. It can be used for the on-off control of water, air, and neutral gases, as well as other gases and liquids that are compatible with the material of the solenoid valve, and can also be an indispensable part of the safety interlock protection system.
First, if the connection head of the solenoid valve is loose or the wire head has fallen off, the solenoid valve will not be powered. The wire head should be tightened.
Second, if the coil of the solenoid valve is burned out, the connection of the solenoid valve can be removed. Use a multimeter to measure. If it is open circuit, the solenoid valve is burned out. It may be caused by the coil getting damp and poor insulation, resulting in excessive leakage of magnetic field and excessive current in the coil, thus burning it out. Therefore, it is necessary to prevent rainwater from entering the solenoid valve. In addition, if the spring is too hard, the counteracting force is too large, the number of coil turns is too few, or the suction force is insufficient, it can also cause the coil to burn out.
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