Electromagnet with position self-holding double coil and electric interlocking

By designing a position-holding double-coil electromagnet with electrical interlock, the problems of unidirectional thrust, high power consumption, and safety hazards caused by continuous energization of single-coil electromagnets in hydraulic valves were solved, realizing a bidirectional position-holding, low power consumption, long life, and high reliability electromagnet.

CN122417606APending Publication Date: 2026-07-17JIUJIANG BRANCH OF THE 707 RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING CORP LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIUJIANG BRANCH OF THE 707 RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING CORP LTD
Filing Date
2026-04-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing electromagnets in hydraulic valves have problems such as unidirectional thrust, high power consumption due to continuous energization, heat generation, short service life, and safety hazards, which cannot be effectively solved, especially when bidirectional position self-holding is required.

Method used

Design a position-holding dual-coil electromagnet with electrical interlock. By combining the left and right coil assemblies with electrical interlock and mechanical self-holding structure, bidirectional thrust can be achieved without continuous energization. The position is maintained by the elastic seat, and the integrated structure simplifies the design.

Benefits of technology

It achieves bidirectional position self-holding, reduces power consumption, avoids coil overheating, improves service life and reliability, eliminates safety hazards from accidental power outages, and simplifies installation and maintenance.

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Abstract

本发明涉及一种带电气联锁的位置自保持双线圈电磁铁,属于电磁铁。包括左端盖、壳体、线圈组件、衔铁组件、右止挡座、右端盖、左电气联锁板、弹性座、开关触碰板和右电气联锁板;本发明线圈组件包括左右两个线圈,分别用于驱动衔铁伸出和缩回,通过弹性座实现两个位置的自锁和电气联锁保护功能;弹性座通过给衔铁施加轴向力,使其锁定在当前位置,并通过开关触碰板与电气联锁板的脱离实现电气切断,避免电磁铁长期通电。本电磁铁通过弹性座机械机构,实现了位置自保持和电气切断功能,减少了电耗,避免了电磁铁发热,具有节能、可靠、安全的特性。
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