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Magnetic core for driving circuit

A driving circuit and magnetic core technology, which is applied in the direction of circuits, electrical components, magnetic cores/yokes, etc., can solve the problems of leakage inductance, reduced lighting efficiency, and complex-shaped magnetic cores during the use of magnetic cores, so as to reduce product power consumption and improve Effects of illumination efficiency and core structure optimization

Inactive Publication Date: 2017-05-31
陆明岳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The LED lighting drive circuit needs to use a magnetic core with a complex shape. Due to some defects in the design of the previous magnetic core, the magnetic core has leakage inductance during use, which greatly increases the power consumption of the product and reduces the lighting efficiency.

Method used

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  • Magnetic core for driving circuit

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Embodiment Construction

[0008] The technical solution adopted in the present invention is: a magnetic core for driving circuits, the magnetic core includes four side legs (1), (2), (3), (4), and a cylindrical center column (5). The magnetic core is sintered from ferrite material, or pressed from metal soft magnetic powder.

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Abstract

The invention discloses a magnetic core for a driving circuit. The magnetic core comprises four edge legs (1), (2), (3) and (4) and a cylindrical center pillar (5). The magnetic core is formed by sintering a ferrite material or pressing metal soft magnetic powder.

Description

technical field [0001] The invention relates to a magnetic core, in particular to a magnetic core for driving circuits. Background technique [0002] The LED lighting drive circuit needs to use a magnetic core with a complex shape. Due to some defects in the design of the previous magnetic core, the magnetic core has leakage inductance during use, which greatly increases the power consumption of the product and reduces the lighting efficiency. In order to solve this problem, the magnetic core can meet the design requirements by optimizing the design of the magnetic core structure. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a magnetic core that can be applied to LED lighting driving circuits and can be manufactured in large quantities at low cost. [0004] The technical solution adopted in the present invention is: a magnetic core for driving circuits, the magn...

Claims

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Application Information

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IPC IPC(8): H01F3/00H01F1/10H01F1/34H01F1/14
Inventor 陆明岳
Owner 陆明岳