High-performance T-core process integrally-formed inductor and preparation method thereof

A high-performance, inductive technology, applied in inductor/transformer/magnet manufacturing, transformer/inductor components, transformer/inductor coil/winding/connection, etc., can solve problems such as low Q value and poor temperature rise characteristics. Achieve the effect of high permeability, ultra-low buzzing and low loss

Pending Publication Date: 2022-04-22
四川嘉康中惠科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the current one-piece inductor production technology still needs to be improved, the existing one-piece inductor products have poor temperature rise characteristics in complex environments, and the Q value is still low

Method used

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  • High-performance T-core process integrally-formed inductor and preparation method thereof
  • High-performance T-core process integrally-formed inductor and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A method for preparing a high-performance T-core process integrated inductor, comprising the following steps:

[0030] (1) Use a servo powder molding machine to beat the magnetic powder into T-core, bake the formed T-core, and then wind it through a winding machine; the composition of the magnetic powder is calculated by weight: carbonyl iron powder 15 parts, FeSiCr powder (element mass fraction: Fe 90.25%, Cr 2.58%, Si 7.17%) 8 parts, FeSiCrB powder (element mass fraction: Fe 87.12%, Cr 2.81%, Si 6.85%, B 3.22%) 3 parts, 0.4 parts of silane coupling agent, the silane coupling agent is γ-aminopropyltrimethoxysilane; the baking temperature is 160°C; the baking time is 0.3h; the winding steps are: sandwich the T-core in the winding On the upper die head of the mold, and move to the outlet nozzle, the upper and lower dies are closed to clamp the T-core and move up and down, and the winding servo turns to drive the T-core to rotate for winding;

[0031] (2) Put the T-core ...

Embodiment 2

[0035] A method for preparing a high-performance T-core process integrated inductor, comprising the following steps:

[0036] (1) Use a servo powder molding machine to beat the magnetic powder into T-core, bake the formed T-core, and then wind it through a winding machine; the composition of the magnetic powder is calculated by weight: carbonyl iron powder (Fe) 20 parts, FeSiCr powder (element mass fraction: Fe 90.25%, Cr 2.58%, Si 7.17%) 10 parts, FeSiCrB powder (element mass fraction: Fe 87.12%, Cr 2.81%, Si 6.85%, B 3.22% ) 6 parts, 0.6 parts of silane coupling agent, the silane coupling agent is γ-aminopropyltrimethoxysilane; the baking temperature is 170°C; the baking time is 0.5h; the winding steps are: sandwich the T-core On the upper die head of the winding die, and move to the outlet nozzle, the upper and lower dies are closed to clamp the T-core and move up and down, and the winding servo rotates to drive the T-core to rotate for winding;

[0037] (2) Put the T-core...

Embodiment 3

[0041] A method for preparing a high-performance T-core process integrated inductor, comprising the following steps:

[0042] (1) Use a servo powder molding machine to beat the magnetic powder into T-core, bake the formed T-core, and then wind it through a winding machine; the composition of the magnetic powder is calculated by weight: carbonyl iron powder 18 parts, FeSiCr powder (element mass fraction: Fe 90.25%, Cr 2.58%, Si 7.17%) 9 parts, FeSiCrB powder (element mass fraction: Fe 87.12%, Cr 2.81%, Si 6.85%, B 3.22%) 5 0.5 parts of silane coupling agent, the silane coupling agent is γ-aminopropyltrimethoxysilane; the baking temperature is 162°C; the baking time is 0.4h; the winding steps are: clamp the T-core in the winding mold On the upper die head, and move to the outlet mouth, the upper and lower dies are closed to clamp the T-core and move up and down, the winding servo rotation drives the T-core to rotate, and the winding is carried out;

[0043] (2) Put the T-core a...

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Abstract

The invention provides a high-performance T-core manufacturing process integrally-formed inductor and a preparation method of the high-performance T-core manufacturing process integrally-formed inductor. The preparation method of the integrally-formed inductor comprises the following steps: (1) grinding magnetic powder into T-core by adopting a servo powder forming machine, baking the formed T-core, and then winding through a winding machine; the magnetic powder is prepared from the following components in parts by weight: 15 to 20 parts of carbonyl iron powder, 8 to 10 parts of FeSiCr powder, 3 to 6 parts of FeSiCrB powder and 0.4 to 0.6 part of silane coupling agent; (2) putting the wired T-core into a powder filling and hot pressing all-in-one machine for powder filling and hot pressing molding to obtain a molded inductor product; (3) sequentially performing baking, grinding and roll spraying on the molded inductor product in the step (2); and (4) carrying out laser treatment and electroplating on the molded inductor product in the step (3). The inductor provided by the invention still keeps the inductance characteristics of excellent temperature rise characteristic, high Q value and the like in a complex environment.

Description

technical field [0001] The invention belongs to the technical field of integrally formed inductors, and in particular relates to a high-performance T-core process integrally formed inductor and a preparation method thereof. Background technique [0002] T-core is an electromagnetic induction element, which is mainly used to hinder the change of current and realize functions such as filtering, oscillation, and delay. Molding Choke is a product of the development trend of miniaturization and integration of inductors. It is a new generation of upgraded products of wire wound inductors and is mainly used for power conversion. The application range of integrally formed inductors is extremely wide, covering almost all fields of mobile communication and electronic information, and can also be used in many fields such as automobiles, aviation, and aerospace. [0003] The one-piece inductor has the advantages of "high current resistance, stable electromagnetic characteristics, stabl...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H01F41/00H01F41/02H01F41/06H01F27/34H01F27/30H01F27/255
CPCH01F41/00H01F41/0246H01F41/06H01F27/255H01F27/306H01F27/34
Inventor侯振波陈雨
Owner四川嘉康中惠科技有限公司