Integrally-formed inductor and manufacturing method thereof
A manufacturing method and inductance technology, applied in the field of inductance, can solve the problems of unguaranteed, exposed performance of the inductance coil, etc., and achieve the effect of avoiding the exposure of the coil
Pending Publication Date: 2022-01-04
江苏蓝沛新材料科技有限公司
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0004] Based on the above problems, the present invention provides an integrally formed inductor and its manufacturing method, aiming to solve the technical problems in the prior art such as the exposure of the inductor coil and the inability to guarantee its performance.
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0032] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0034] see figure 2 , the present invention provides a method for manufacturing an integrally formed inductor,...
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Abstract
The invention provides an integrally -formed inductor and a manufacturing method thereof, a magnetic core is manufactured, and the magnetic core comprises a blade pendulum and a magnetic column connected with the blade pendulum; a coil is wound on the magnetic column; the magnetic core wound with the coil is put into a forming mold, and in the forming mold, magnetic powder with the first particle size is used for first-time powder filling treatment; in the forming mold, magnetic powder with the second particle size is used for second-time powder filling treatment, and the second particle size is larger than the first-time particle size; hot press molding treatment is carried out to form an inductor semi-finished product; and an electrode is made to form the integrally-formed inductor. In the powder filling step, fine powder is loaded firstly, then coarse powder is loaded, and the phenomenon of coil exposure is avoided.
Description
technical field [0001] The invention relates to the technical field of inductors, in particular to an integrally formed inductor and a manufacturing method thereof. Background technique [0002] Inductance is a property of a closed circuit and a physical quantity. When the current passes through the coil, a magnetic field induction is formed in the coil, and the induced magnetic field will generate an induced current to resist the current passing through the coil. It is a circuit parameter that describes the induced electromotive force effect in this coil or in another coil due to the change of coil current. Inductance is the general term for self-inductance and mutual inductance. A device that provides inductance is called an inductor. One-piece molded inductors (molded inductors) include a base body and a winding body. The base system is die-cast by embedding the winding body inside the metal magnetic powder. The SMD pins are the lead-out pins of the winding body and ar...
Claims
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IPC IPC(8): H01F41/00H01F41/04H01F27/28
CPCH01F41/04H01F41/005H01F27/28
Inventor 徐可心钱江华孙洪波林涛王伟王博吴长和王劲
Owner 江苏蓝沛新材料科技有限公司