CN219267458U

CN219267458U - Anti-radiation common-differential mode inductor

Info

Publication number: CN219267458U
Application number: CN202223146345.7U
Authority: CN
Inventors: 曹坤; 周筱媛; 钱丹
Original assignee: Jiangxi Oumeiya Electronics Co ltd
Current assignee: Jiangxi Oumeiya Electronics Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-06-27
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a radiation-resistant common-differential mode inductor, which comprises the following components: the framework comprises a base and a back plate, wherein the base is provided with a groove for accommodating the magnetic core, and the back plate is arranged on the base; the magnetic core comprises a first vertical core part, a first horizontal core part, a second vertical core part and a second horizontal core part which are integrally and sequentially connected; the magnetic core is embedded in the groove, and coils are wound on the first vertical core part and the second vertical core part. The anti-radiation common-mode differential inductor has the advantages of simple structure and convenient use, and can increase leakage inductance of the common-mode inductor in a directional way by arranging the magnetic sheets, thereby achieving the purpose of inhibiting differential mode noise, and simultaneously achieving the advantages of specific small volume and high power.

Description

Anti-radiation common-differential mode inductor

Technical Field

The utility model relates to the technical field of inductors, in particular to an anti-radiation common-differential-mode inductor.

Background

With the rapid development of the social electronic industry, the mobile phone charger has stimulated a great hot trend in the last years in the market, and the existing charger is often large in volume and low in power, is inconvenient to carry and has long charging time.

Based on the above situation, the utility model provides the anti-radiation common-differential-mode inductor which can effectively solve the above problems.

Disclosure of Invention

The utility model aims to provide a radiation-resistant common-differential-mode inductor. The anti-radiation common-mode differential inductor has the advantages of simple structure and convenient use, and can increase leakage inductance of the common-mode inductor in a directional way by arranging the magnetic sheets, thereby achieving the purpose of inhibiting differential mode noise, and simultaneously achieving the advantages of specific small volume and high power.

The utility model is realized by the following technical scheme:

a radiation-resistant common-differential-mode inductor, comprising:

the framework comprises a base and a back plate, wherein the base is provided with a groove for accommodating the magnetic core, and the back plate is arranged on the base;

the magnetic core comprises a first vertical core part, a first horizontal core part, a second vertical core part and a second horizontal core part which are integrally and sequentially connected;

the magnetic cores are embedded in the grooves, and coils are wound on the first vertical core part and the second vertical core part.

The utility model aims to provide a radiation-resistant common-differential-mode inductor. The anti-radiation common-mode differential inductor has the advantages of simple structure, convenient use, specific small volume and high power, and can increase leakage inductance of the common-mode inductor in a directional manner by arranging the magnetic sheets, thereby achieving the purpose of inhibiting differential mode noise

Preferably, a PIN terminal is arranged at the bottom of the base.

Preferably, a magnetic sheet is arranged between the first vertical core part and the second vertical core part.

Preferably, copper foil is arranged on the outer side of the inductor.

Preferably, the magnetic core is made of high-conductivity ferrite.

Compared with the prior art, the utility model has the following advantages:

the anti-radiation common-mode differential inductor has the advantages of simple structure, convenient use, specific small volume and high power, and can increase leakage inductance of the common-mode inductor in a directional manner by arranging the magnetic sheets, thereby achieving the purpose of inhibiting differential mode noise

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model (with copper foil hidden);

FIG. 3 is a schematic structural view of the skeleton of the present utility model;

fig. 4 is a schematic structural view of a magnetic core according to the present utility model.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 4, the present utility model provides a radiation-resistant common-differential-mode inductor, comprising:

the framework 1 comprises a base 11 and a back plate 12, wherein a groove 13 for accommodating the magnetic core 2 is formed in the base 11, and the back plate 12 is arranged on the base 11;

a magnetic core 2 including a first vertical core portion 21, a first horizontal core portion 22, a second vertical core portion 23, and a second horizontal core portion 24 which are integrally formed and connected in order;

wherein, the magnetic core 2 is embedded in the groove 13, and the coils 3 are wound on the first vertical core part 21 and the second vertical core part 23.

Example 2:

Further, in another embodiment, a PIN terminal 14 is provided at the bottom of the base 11.

Further, in another embodiment, a magnetic sheet 4 is provided between the first and

second cores

21 and 23.

The structure of the base 11 is designed, and meanwhile, the partition plate between the two groups of coils 3 is cut off to be provided with the magnetic sheet 4 in consideration of the inductance which is integrated with the common differential mode, so that the differential mode inductance characteristic is met.

Further, in another embodiment, a copper foil 5 is provided outside the inductor.

In order to meet the EMI test, a shielding copper foil 5 is added on the periphery of the inductor to shield the induction magnetic field, so that the benefit is improved.

Further, in another embodiment, the material of the magnetic core 2 is high-conductivity ferrite.

The magnetic core 2 is made of high-conductivity ferrite, and when the client is used, the characteristics and the service life of the power pouring sealant are prevented from being influenced,

the radiation-resistant common-mode inductor of the present utility model can be easily manufactured or used by those skilled in the art from the description of the present utility model and the accompanying drawings, and can produce the positive effects described in the present utility model.

Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional relationship indicated is based on the positional relationship indicated in the drawings, and is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the present utility model are merely for exemplary illustration and should not be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meaning of the above terms in conjunction with the drawings and according to the specific circumstances.

Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.

Claims

1. A radiation-resistant common-differential-mode inductor, comprising:

2. The radiation resistant common-differential-mode inductor of claim 1, wherein: and a PIN terminal is arranged at the bottom of the base.

3. The radiation resistant common-differential-mode inductor of claim 1, wherein: and a magnetic sheet is arranged between the first vertical core part and the second vertical core part.

4. The radiation resistant common-differential-mode inductor of claim 1, wherein: and copper foil is arranged on the outer side of the inductor.

5. The radiation resistant common-differential-mode inductor of claim 1, wherein: the magnetic core is made of high-conductivity ferrite.