Solenoid valve automatic adjustment circuit and its method
An automatic adjustment and solenoid valve technology, which is applied in the direction of valve details, valve devices, engine components, etc., can solve the problems of program control circuit on-off sensitivity, complex control circuit, and affecting the normal operation of equipment, so as to prevent excessive reverse current The effect of burning the coil
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[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] The present invention is applied to powder sieving machine equipment. The powder sieving machine is based on the use of screen mesh to achieve the purpose of separating part of the powder. The separation is carried out under the protection environment of inert gas (argon, helium) to prevent the powder from being oxidation. The equipment uses the switch of the solenoid valve to control the pressure of the cabin (inert gas content). If the gas content is too high, the safety valve will automatically open to waste gas. If the gas content is too low, oxygen will flow in and the powder will be oxidized. Therefore, the pressure of the gas inside the system is adjusted by continuously switching the electromagnetic valve, so as to maintain the inert gas of the equipment within a constant value range.
[0026] see figure 1 , the solen...
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