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QF magnetic core used for LED driving circuit

A technology of LED drive and magnetic core, which is applied in the direction of transformer/inductor magnetic core and inductor with magnetic core, etc., which can solve the problems of leakage inductance during the use of magnetic core, reduce lighting efficiency, increase product power consumption, etc., and reduce product consumption. Effects of power consumption, improvement of lighting efficiency, and reduction of leakage inductance

Inactive Publication Date: 2016-01-27
陈宜
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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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  • QF magnetic core used for LED driving circuit

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Embodiment Construction

[0008] The technical solution adopted in the present invention is: a QF magnetic core for LED drive circuit, the magnetic core includes 4 side legs (1), (2), (3), (4), 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 QF magnetic core used for an LED driving circuit. The magnetic core comprises four side legs (1), (2), (3), (4) and a cylindrical middle column (5) and is formed by sintering of ferrite material or pressing of metal soft magnetic powder.

Description

technical field [0001] The invention relates to a magnetic core, in particular to a QF magnetic core used in an LED driving circuit. 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 QF magnetic core for LED drive ...

Claims

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Application Information

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IPC IPC(8): H01F27/24H01F17/04
Inventor 陈宜
Owner 陈宜
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