PF magnetic core used for correction circuit
A technology for correcting circuits and magnetic cores, applied to circuits, transformer/inductor cores, inductors, etc., can solve problems such as leakage inductance, complex shape cores, and increased product power consumption during the use of magnetic cores, so as to reduce product power consumption , Core structure optimization, the effect of reducing leakage inductance
Inactive Publication Date: 2017-06-23
陈宜
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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.
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[0008] The technical solution adopted by the present invention is: a PF magnetic core used for the correction circuit, the magnetic core includes 4 side legs (1), (2), (3), (4), 1 chamfered square center column (5) ) And the bottom plate (6). The magnetic core is sintered from ferrite material, or pressed from metal soft magnetic powder.
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The invention discloses a PF magnetic core used for a correction circuit. The magnetic core comprises four side feet (1), (2), (3), (4), a chamfered square middle column (5) and a bottom board (6). The PF magnetic core used for correction circuit is made by sintering of ferrite material or compression of metal soft magnetic powder.
Description
Technical field [0001] The invention relates to a magnetic core, in particular to a PF magnetic core used for a correction circuit. Background technique [0002] The LED lighting drive circuit needs to use a magnetic core with a complicated 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 structure is optimized to make the magnetic core meet the design requirements. Summary of the invention [0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a magnetic core that can be applied to LED lighting drive circuits and can be produced in large quantities at low cost. [0004] The technical solution adopted by the present invention is: a PF magnetic core used for the correction circuit, the mag...
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IPC IPC(8): H01F27/24H01F1/10H01F1/34H01F1/14
CPCH01F27/255H01F1/10H01F1/14741H01F1/34H01F3/08H01F38/10
Inventor 陈宜
Owner 陈宜