Split-Body Electromagnet Structure for Easier Coil Winding

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Solution Overview

Problem

Existing electromagnets with integrated housing and iron core structures are inconvenient for coil winding and are not suitable for restricted spaces, such as in electromagnetic clutches.

Innovation Solution

A split-type electromagnet design where the housing and iron core are of a split type, allowing the iron core to be fixed within the housing after coil winding, and featuring a cylindrical or sector-shaped ring housing configuration for enhanced flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If the housing and iron core are of an integrated-type structure, then the structural strength is improved, but the winding of the coil around the iron core becomes very inconvenient

Engineering Contradiction:
Improvestructural strengthVSAvoidcoil winding convenience
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The electromagnet is divided into separate housing and iron core components that can be assembled after coil winding. The housing includes a housing body and a bottom plate that are connected together, allowing the iron core to be inserted and fixed after the coil is wound around it, thus resolving the contradiction between structural strength and coil winding convenience.

Inventive Principle:
Principle #1Segmentation

2Ease of manufacture

If the housing is of a cylindrical shape, then the manufacturing simplicity is improved, but the adaptability to restricted spaces becomes poor

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidadaptability to restricted spaces
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The housing is segmented into a housing body and a separate bottom plate that can be connected via threaded holes and screws. This modular design allows the electromagnet to be configured in different shapes (cylindrical, sector-shaped ring, rectangular ring) while maintaining manufacturing simplicity, enabling adaptation to restricted spaces such as around meshing gears in electromagnetic clutches.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The split-type design facilitates more convenient coil winding and allows for the creation of electromagnet units with sector-shaped ring housings, enabling effective electromagnetic attraction in restricted spaces.

Implementation Method 1

by winding a coil around the iron core and electrifying the coil, a magnetic force can be generated

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentEP3480830B1Split-body electromagnet
Publication Date: 2025.04.09 JING JIN ELECTRIC TECH CO LTD
  • EP3480830B1 patent drawingFigure 1~3(b)
  • EP3480830B1 patent drawingFigure 4~5
  • EP3480830B1 patent drawingFigure 6~7

AI summary

The present disclosure discloses a split-type electromagnet, wherein the split-type electromagnet comprises a housing and an iron core, the housing and the iron core are of a split type, wherein the iron core is fixed within the housing after the coil has been wound on the iron core, and the housing is a cylindrical body or an ellipsoidal body or a cross section of the housing is a sector-shaped ring or a rectangular ring. Compared with the integrated type of the housing and the iron core in the prior art, the winding of the coil of the electromagnet is more convenient. Furthermore, when the cross section of the housing of the electromagnet is a sector-shaped ring, a plurality of electromagnets are combined to form an electromagnet unit, and when the space is restricted, the electromagnet unit may be used to complete the electromagnetic attraction.