Permanent-magnet loop return type balanced armature electromagnetic mechanism

Abstract

Disclosed in the invention is a permanent-magnet loop return type balanced armature electromagnetic mechanism. The mechanism comprises an iron core, a coil and a coil frame, a left yoke, a right yoke, and an armature. The coil and the coil frame are arranged at the periphery of the iron core. The left yoke in an L shape consists of a first vertical part and a first horizontal part; and the first vertical part is connected with one end of the iron core. The right yoke in an inverted L shape includes a second vertical part and a second horizontal part; the second vertical part is connected with the other end of the iron core; the second horizontal part has one insulating-material segment; and a permanent magnet is arranged above the second horizontal part. The armature is arranged below the first horizontal part and the second horizontal part; a first vertical distance and a second vertical distance are formed between the armature and the first horizontal part and the second horizontal part respectively; and the armature is in contact with the first horizontal part or the second horizontal part by a rotating shaft.

Description

technical field [0001] The invention relates to the technical field of relays, in particular to a permanent magnet circuit returning type balanced armature electromagnetic mechanism. Background technique [0002] Electromagnetic relay is a basic component capable of switching, controlling, protecting, detecting and regulating circuits. It has the characteristics of small size, high conversion depth, strong anti-interference ability, etc., and is widely used in industry, aerospace, weaponry and other fields. The balanced force relay has the characteristics of strong vibration resistance, high sensitivity, fast contact action speed, and small contact vibration. It can solve the shortcomings of traditional relays with poor vibration resistance in the release state, and effectively improve the electrical life and operation reliability of the relay. Therefore, , Balanced force relays are widely used in the aerospace field. However, due to its own structural characteristics, the...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of traditional electromagnetic relays such as insufficient static holding force, poor vibration resistance, and severe contact bounce, further improve the matching of suction and reaction force characteristics, improve debugging efficiency, and ensure the quality consistency of electromagnetic mechanisms, thereby providing a balanced armature New structure design of type electromagnetic mechanism

Images