Magnetic component

The magnetic element design with a divided inner post, heat sinks, and thermally conductive fillers addresses excessive heating in on-board chargers, enhancing heat dissipation and insulation to prevent core damage.

TWI931725BActive Publication Date: 2026-07-11CYNTEC
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Patent Information

Application Number
TW113110919
Authority / Receiving Office
TW · TW
Patent Type
Patents
Current Assignee / Owner
Priority Date
2024-03-21
Filing Date
2024-03-25
Publication Date
2026-07-11
Estimated Expiration
2044-03-24

AI Technical Summary

Technical Problem

Magnetic components in on-board chargers for electric vehicles generate excessive heat due to operating losses, leading to uneven heating, thermal stress, and potential irreversible damage from continuous heat buildup.

Method used

A magnetic element design with a divided inner post, heat sinks, and thermally conductive fillers to enhance heat dissipation, including a plastic housing for insulation and improved thermal conductivity.

Benefits of technology

Reduces eddy current losses and effectively dissipates heat, preventing core damage and improving insulation while maintaining structural integrity under high bonding forces.

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Abstract

A magnetic element includes a magnetic core and at least one coil. The magnetic core includes at least one outer post and an inner post. The inner post is separated from the inner surface of one of the magnetic cores. The inner post is at least partially divided into a plurality of separate portions along its length. At least one coil is wound around the inner post.
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