Magnetostrictive ultrasonic fluid valve

Abstract

The invention discloses a magnetostrictive ultrasonic fluid valve. The magnetostrictive ultrasonic fluid valve comprises a valve body, an upper end cover and a lower end cover; the right side of the valve body is provided with a fluid outlet, and the center of the upper end cover is provided with a fluid outlet; a fluid cavity is formed between the valve body and the upper end cover, an ultrasoniccavity is formed between the valve body and the lower end cover, and the ultrasonic cavity is sequentially provided with a T-shaped plugging nozzle, an amplitude changing rod, a magnetostrictive material, a permanent magnet and an alternating current coil from top to bottom and from inside to outside; and the T-shaped plugging nozzle penetrates through a central conical surface hole of the valvebody 1, the lower surface of the T-shaped plugging nozzle is provided with an annular magnetic fluid cavity, magnetic fluid is added into the magnetic fluid cavity, a sealing coil is inlaid into the outer surface of the magnetic fluid, and an air clearance flow channel is formed between the magnetic fluid cavity and the sealing coil. According to the magnetostrictive ultrasonic fluid valve, the structure is compact, the fluid valve is driven by adopting an ultrasonic vibration mode, a controllable magnetic fluid structure mode is adopted to assist sealing of the fluid valve, the ultrasonic fluid valve has the good opening and sealing effects, and the good application value is achieved in a high-pressure fluid environment.

Description

technical field [0001] The invention relates to a magnetostrictive ultrasonic fluid valve. Background technique [0002] Valve devices are a type of basic components widely used in industrial applications, such as gas valves, liquid valves, high-speed valves, precise flow valves, jet valves, etc., which can be seen everywhere in our daily life. At present, industrial applications put forward strict performance requirements for the application of valve structures, such as miniaturization, high performance, intelligence, complex working environment applications, high reliability, etc. How to effectively realize small high-performance, high-reliability valve structures The design is a hot issue discussed in industrial applications. [0003] At present, for the miniaturization, high performance, and high reliability of the valve structure, it is generally designed by selecting small-sized, high-performance intelligent materials, but the selection of intelligent materials for va...

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Problems solved by technology

[0003] At present, for the miniaturization, high performance, and high reliability of the valve structure, it is generally designed by selecting small-sized, high-performance intelligent materials, but the selection of intelligent materials for valve design also has its inherent problems, such as piezoelectric The deformation of the material is small, and the displacement amplification structure needs to be designed. The magnetostrictive material needs high current excitation, which is not easy to miniaturize, etc.

At present, there are few fluid valves based on smart materials that can work efficiently in high-pressure fluid situations

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