Relay

By incorporating an isolator and a permanent magnet in the magnetic latching relay, the problem of arc erosion of the push rod is solved, thus ensuring the accuracy of the drive component and extending the relay's lifespan.

WO2026124362A1 Publication Date: 2026-06-18XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD
Filing Date
2025-12-05
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

In existing magnetic latching relays, the electric arc generated when the moving contact and stationary contact break apart can easily burn the push rod, causing deformation or damage to the end of the push rod, affecting the motion accuracy and relay life.

⚗Method used

An isolator, usually made of ceramic material, is placed between the contact group and the drive component to prevent the electric arc from extending to the drive component, and permanent magnets are placed around the contacts to enhance the arc extinguishing effect.

🎯Benefits of technology

It effectively prevents electric arc from burning the drive components, ensures motion accuracy, extends the service life of the relay, and improves the arc extinguishing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

Provided in the present disclosure is a relay, comprising a first contact portion, a second contact portion, a driving portion, and an isolation member. The first contact portion comprises a first movable spring strip and a first movable contact mounted on the first movable spring strip; the second contact portion comprises a first stationary contact; the driving portion is provided with a first driving member, the first driving member being configured to drive the first movable spring strip to move, such that the first movable contact is in contact with or is separated from the first stationary contact; the first movable contact and the first stationary contact form a contact group; and the isolation member is arranged between the contact group and the first driving member.
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