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Soft magnetic metal magnetic powder core

A technology of soft magnetic metal and magnetic powder core, which is applied in the direction of preventing/reducing unnecessary electric/magnetic influence, electrical components, transformer/inductance parts, etc., and can solve problems such as interference with circuit board electronic components, large magnetic flux leakage, etc. , achieve good electromagnetic compatibility, compact magnetic core structure, and improve efficiency

Pending Publication Date: 2018-07-03
ZHEJIANG KEDA MAGNETOELECTRICITY
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The E-type magnetic core is an open shell, which produces a large magnetic flux leakage during application and interferes with other electronic components on the circuit board.

Method used

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  • Soft magnetic metal magnetic powder core
  • Soft magnetic metal magnetic powder core
  • Soft magnetic metal magnetic powder core

Examples

Experimental program
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Effect test

Embodiment Construction

[0013] Combine below Figure 1 to Figure 4 Specific examples:

[0014] A soft magnetic metal magnetic powder core includes a bottom plate 4 on which a center post 3 and a side leg 1 are arranged. The side leg 1 and the center post 3 form a winding window 2 that can accommodate a coil.

[0015] Preferably, the center column is cylindrical, the center column is arranged at the opening of the bottom plate, and the distance between the outer arc of the center column and the opening is greater than or equal to the distance between the inner arc and the side leg.

[0016] Preferably, the side leg is horseshoe-shaped, and the outer side of the horseshoe-shaped side leg is a right-angle chamfer or an arc chamfer.

[0017] Winding window size requirements: such as figure 2 Among them, the width of 5 locations is greater than or equal to the width of 6 locations to ensure that the core bottom plate completely covers the coil to avoid magnetic leakage. The cross-sectional area of ​​21 points i...

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Abstract

The invention belongs to the technical field of magnetic powder core tools and particularly relates to a soft magnetic metal magnetic powder core. The soft magnetic metal magnetic powder core comprises a base plate, wherein a middle column and a side leg are arranged on the base plate, and a wiring down capable of accommodating a coil is formed between the side leg and the middle column. The softmagnetic metal magnetic powder core has the beneficial effects that the leakage flux and the leakage inductance can be effectively shielded, a magnetic core structure is compact, good in electromagnetic compatibility, small in electromagnetic interference and high in production efficiency, the production efficiency is increased, the equipment cost is saved, the expense on supplemental materials issaved, and meanwhile, the labor cost is greatly lowered.

Description

Technical field [0001] The invention belongs to the technical field of magnetic powder core appliances, and particularly relates to a soft magnetic metal magnetic powder core. Background technique [0002] The metal soft magnetic powder core material is a basic material for the electronics industry and several industries with a wide range of uses, high output and low cost. It is one of its important pillar products. Its application directly affects electronic information, home appliance industry, computers and communications , Development of environmental protection and energy saving technology. The E-type magnetic core is an open shell, which produces a large leakage of magnetic field during application and interferes with other electronic components on the circuit board. Summary of the invention [0003] The purpose of the present invention is to solve the above-mentioned technical problems, provide an effective shielding magnetic leakage and leakage inductance, make the magnet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/255H01F27/34H01F27/38
CPCH01F27/255H01F27/346H01F27/38
Inventor 柯昕聂军武张尚野周水泉沈晨懂
Owner ZHEJIANG KEDA MAGNETOELECTRICITY
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