一种开合式双极电磁铁

By using an openable magnetic yoke structure and transmission mechanism, the problems of difficult installation, magnetic field uniformity, and inconvenient maintenance of traditional bipolar electromagnets are solved, achieving the effects of rapid installation, magnetic field uniformity, and low-cost maintenance.

CN224519615UActive Publication Date: 2026-07-17CHANGCHUN YINGPU MAGNETIC TECH DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGCHUN YINGPU MAGNETIC TECH DEV CO LTD
Filing Date
2025-08-18
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The fixed magnetic yoke structure of existing bipolar electromagnets leads to difficulties in installation, affects the uniformity of the magnetic field, results in low space utilization, and is inconvenient to maintain.

Method used

It adopts an openable magnetic yoke structure, slide table, linear guide rail and transmission mechanism to realize the rapid opening and closing of electromagnet and high-precision alignment, and supports modular maintenance.

Benefits of technology

It enables rapid installation and adjustment of electromagnets, ensuring magnetic field uniformity and efficient space utilization, and reducing maintenance costs.

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Abstract

本实用新型公开了一种开合式双极电磁铁，包括开合式磁轭结构、滑台、直线导轨和传动机构，开合式磁轭结构包括左右两组电磁铁，左右两组电磁铁分别设置在两个滑台上，滑台通过直线导轨与底座滑动配合，传动机构包括正反扣丝杆，两个滑台的底部分别设置有正反不同螺纹的丝母与正反扣丝杆相配合；本实用新型采用可分离磁轭设计，通过传动机构实现电磁铁的快速开合，便于大型样品或复杂器件的安装与调整；实现电磁铁的高精度对位闭合：确保电磁铁闭合后磁极严格对齐，维持磁场均匀性及磁场强度；兼容性强，适应不同尺寸样品的磁场施加需求，提升实验效率；模块化维护，支持单独拆卸磁极或线圈，降低维护成本。
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Claims

1. An open-close type bipolar electromagnet characterized by comprising: It includes an openable magnetic yoke structure, a slide table, a linear guide rail, and a transmission mechanism. The openable magnetic yoke structure includes two sets of electromagnets, which are respectively set on two slide tables. The slide tables are slidably connected to the base through the linear guide rail. The transmission mechanism includes positive and negative threaded screws. The bottom of the two slide tables is respectively provided with nuts with positive and negative threads that cooperate with the positive and negative threaded screws.

2. The split-pole electromagnetic according to claim 1, wherein, The tops of the two sets of electromagnets are respectively equipped with copper busbars connected in series.

3. The split-pole electromagnetic according to claim 1, wherein, A handwheel is provided at the end of the positive and negative threaded screw.

4. The split-pole electromagnetic according to claim 1, wherein, An electromagnet consists of a yoke, an iron core, and a copper wire winding. The copper wire winding is wound around the iron core and placed on the yoke.