A low-power fast-response electromagnet

Abstract

The invention discloses a low-power-consumption and fast-response electromagnet. The low-power-consumption and fast-response electromagnet comprises an armature, an upper yoke, a lower yoke, a push rod, a base, a coil and a permanent magnet, wherein the upper end of the armature passes through the lower yoke and the coil to be connected with the push rod; the lower end of the armature passes through the coil, the lower yoke, the permanent magnet and the base in sequence; the push rod passes through a center hole of the upper yoke to be fixedly connected with the upper end surface of the armature; the upper part of the center hole of the upper yoke is a cylindrical through hole; the lower part of the center hole of the upper yoke is a tapered hole; the side surface of the tapered hole is parallel to the side surface of a circular truncated cone at the upper part of the armature; the outside diameter of the lower part of the upper yoke is the same with the inside diameter of the upper part of the lower yoke; the section of the lower yoke is L-shaped; the upper part of the lower yoke is entangled and connected with a cylinder at the lower part of the upper yoke together by using a stud; the coil is located in a cavity of an area encircled by the lower yoke, the upper yoke and the armature; the armature passes through the coil; the permanent magnet is located below the lower yoke and above the base; the base, the permanent magnet and the lower yoke are fixed together by using a stud; the armature passes through the base, the permanent magnet and the lower yoke. Through the structure of the low-power-consumption and fast-response electromagnet, the energy consumption and the heat generation of an electromagnet can be effectively decreased.

Description

technical field [0001] The invention relates to the technical field of solenoid valves for pneumatic steering gear, in particular to a low-power consumption and fast-response electromagnet. Background technique [0002] The electromagnet is a key component in the solenoid valve of the pneumatic steering gear. By controlling the attraction or release of the electromagnet, the switching of the air circuit can be realized, thereby controlling the deflection of the rudder surface and adjusting the attitude of the projectile. The force performance and dynamic response speed of the electromagnet will have a great impact on the control performance of the pneumatic steering gear. When working, the electromagnet needs to have a large holding force when the armature is extended or retracted, so that the electromagnet can ensure that the steel ball seals the lower or upper air inlet of the air valve when the electromagnet bears a certain impact. In the process of retracting the armatu...

AI Technical Summary

Problems solved by technology

In order to keep the armature in the pull-in position (the push rod is fully extended), the coil needs to be continuously energized, so the energy consumption is relatively high. On the one hand, it will increase the load, and on the other hand, it will also affect its force performance, which affects the performance and reliability of the pneumatic steering gear. sex has a greater impact

Images