Linear-high-speed combined type bidirectional direct-power motor based on permanent magnet differential magnetic circuit

Abstract

A linear-high-speed composite bidirectional direct-power motor based on a permanent magnet differential magnetic circuit comprises an armature component, a yoke component, a front reset spring component and a rear reset spring component. The first armature comprises a rectangular panel, a first pole shoe and a second pole shoe are arranged on the diagonal lines of the long sides of the rectangular panel respectively, and the first armature and the second armature are identical in structure and mutually buckled in the opposite directions. The back surfaces of the first armature and the second armature are respectively connected with a rear push rod and a front push rod; the rear end of the rear push rod is connected with a rear reset spring component and a valve element of the servo proportional valve. The front end of the front push rod is connected with a front reset spring component. The yoke component comprises a yoke frame, the yoke frame is divided into a high-speed end and a linear end, and the high-speed end and the linear end are provided with a wedge-shaped axial pole shoe and a basin-shaped radial pole shoe respectively. The motor has the working characteristics of a linear electro-mechanical transducer and the high-speed attraction characteristic of a high-speed electromagnet at the same time, and can be suitable for application occasions with linear displacement output and high-speed attraction working performance requirements.

Description

technical field [0001] The invention relates to a linear-high-speed composite electric-mechanical conversion element for a servo proportional valve in the field of fluid transmission and control, in particular to a linear-high-speed composite bidirectional direct-force motor based on a permanent magnet differential magnetic circuit. Background technique [0002] The electro-mechanical converter is a driving element that converts electrical energy into mechanical energy. As a core component of the electro-hydraulic servo valve, it is a bridge connecting electrical signals and mechanical actions, and is the driving element of the electro-hydraulic servo valve. The performance of the electro-mechanical converter is closely related to the overall performance of the electro-hydraulic servo valve. Therefore, the research and development of high-performance electro-mechanical converters has always been an important research topic in the industry. The development and progress of in...

AI Technical Summary

Problems solved by technology

[0006] However, in some specific hydraulic systems, because the system has to deal with various complex specific conditions, the traditional electro-mechanical converter can no longer meet these requirements. For example, some hydraulic systems have proportional output and high-speed closing of the hydraulic chamber at the same time. job requirements

Images