CN203415340U

CN203415340U - Biasing magnetic core

Info

Publication number: CN203415340U
Application number: CN201320384158.4U
Authority: CN
Inventors: 沈宏江
Original assignee: ANHUI HUALIN MAGNETIC TECHNOLOGY Co Ltd
Current assignee: ANHUI HUALIN MAGNETIC TECHNOLOGY Co Ltd
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2014-01-29
Anticipated expiration: 2023-06-28

Abstract

The utility model discloses a biasing magnetic core. The biasing magnetic core is characterized in that a baseplate is of a rectangular structure, a wrapping post is fixed in the middle part of the baseplate, the length direction of the wrapping post is consistent with the length direction of the baseplate, the two ends of the wrapping post in the length direction are cambered surfaces, a first side post and a second side post are fixed at the two ends of the baseplate in the length direction, the distances from the two ends of the wrapping post to the first side post and the second side plate are equal, the distance L between the first side of the wrapping post in the width direction and the first side A of the baseplate in the width direction is less than the distance L between the second side of the wrapping post in the width direction and the second side B of the baseplate in the width direction, and specifically, the first side surface of the wrapping post in the width direction and the first side surface of the baseplate in the width direction are located in the same vertical plane. As the wrapping post is biased and a surrounding edge is arranged at one side far away from the wrapping post, the magnetic core is reasonable in structural design, the effective working area of the magnetic core is enlarged, the stability of the electromagnetic property of the magnetic core is improved, and the magnetic core has high reliability.

Description

A kind of bias magnetic core

Technical field

The utility model relates to magnetic core technical field, relates in particular to a kind of bias magnetic core.

Background technology

Magnetic core is the sintering magnetic metal oxide by various iron oxide compositions of mixtures, and in prior art, FERRITE CORE is for coil and the transformer of various electronic equipments.For example, manganese-zinc ferrite and nickel-zinc ferrite are typical magnetic core array materials, wherein, manganese-zinc ferrite has the feature of high magnetic permeability and high magnetic flux density, when the frequency lower than 1MHz, there is more low-loss characteristic, nickel-zinc ferrite has high unit area impedance, less than the characteristics such as low magnetic permeability of hundreds of, and in the frequency higher than 1MHz, produce compared with low-loss etc.

The material of magnetic core and structure are the key factors that affects magnetic core performance.Current, for the research of magnetic core, mostly concentrate on improvement and the exploitation aspect of core material, less for the research of core structure, and in engineering application, the structure of magnetic core is very important one of considers in whole electronic device design.In order to meet the application needs of different application occasion, improve effective work area of magnetic core, guarantee stability and the reliability of the electromagnetic property of magnetic core, be that those skilled in the art need the technical problem of facing in application.

Utility model content

The problem existing for prior art, the utility model proposes a kind of bias magnetic core, and the reasonable in design of magnetic core has increased effective work area of magnetic core, and stability and the reliability of electromagnetic property that has improved magnetic core is high.

A kind of bias magnetic core, comprise base plate, wrapping post, the first lateral column and the second lateral column, base plate is rectangular configuration, wrapping post is fixed on base plate middle part, wrapping post length direction is consistent with floor length direction, the two ends of wrapping post length direction are cambered surface, the first lateral column and the second lateral column are fixed on the two ends of floor length direction, the distance of wrapping post two ends to the first lateral column and the second lateral column is equal, and the distance L 1 of wrapping post Width the first side and baseplate width direction the first side A is less than the distance L 2 of wrapping post Width the second side and baseplate width direction the second side B.

Preferably, L1=0, wrapping post Width the first side and baseplate width direction the first side are in same perpendicular.

Preferably, the first lateral column extends to form the first surrounding edge to the second side B bending of baseplate width direction, the medial surface cambered surface transition of the first lateral column and the first surrounding edge; The second lateral column extends to form the second surrounding edge to the second side B bending of baseplate width direction, the medial surface cambered surface transition of the second lateral column and the second surrounding edge.

Preferably, the first surrounding edge and the second surrounding edge protrude from outside baseplate width direction the second side.

Preferably, the end face of the first surrounding edge and the second surrounding edge is plane; Or the end face of the first surrounding edge and the second surrounding edge is cambered surface; Or the end face of the first surrounding edge is cambered surface, the end face of the second surrounding edge is plane.

Preferably, wrapping post length is floor length 0.3 to 0.4 times.

In the utility model, wrapping post is at baseplate width direction upper offset, the distance of wrapping post Width the first side and baseplate width direction the first side is less than the distance of wrapping post Width the second side and baseplate width direction the second side, and wrapping post Width the first side and baseplate width direction the first side are in same perpendicular further; The first lateral column extends to form the first surrounding edge to baseplate width direction the second lateral bend, and the second lateral column extends to form the second surrounding edge to baseplate width direction the second lateral bend, and the first surrounding edge and the second surrounding edge protrude from outside baseplate width direction the second side.In the utility model, by wrapping post is setovered, and be provided with surrounding edge away from wrapping post one side, the reasonable in design of magnetic core, has increased effective work area of magnetic core, and stability and the reliability of electromagnetic property that has improved magnetic core is high.

Accompanying drawing explanation

Fig. 1 and Fig. 2 are the structural representation of a kind of bias magnetic core that the utility model proposes.

Embodiment

Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model:

As shown in Figure 1, Fig. 1 is a kind of bias magnetic core structural representation the utility model proposes.

With reference to Fig. 1, a kind of bias magnetic core the utility model proposes, comprise base plate 1, wrapping post 2, the first lateral column 3 and the second lateral column 4, base plate 1 is rectangular configuration, wrapping post 2 is fixed on base plate 1 middle part, wrapping post 2 length directions are consistent with base plate 1 length direction, the two ends of wrapping post 2 length directions are cambered surface, the first lateral column 3 and the second lateral column 4 are fixed on the two ends of base plate 1 length direction, the distance of wrapping post 2 two ends to the first lateral columns 3 and the second lateral column 4 equates, wherein, the distance L 1 of wrapping post 2 Width the first sides and base plate 1 Width the first side A is less than the distance L 2 of wrapping post 2 Width the second sides and base plate 1 Width the second side B, be that wrapping post 2 is to base plate 1 Width the first side A biasing.

In Fig. 1, L1=0, wrapping post 2 Width the first sides and base plate 1 Width the first side are in same perpendicular.

In the above-described embodiments, the first lateral column 3 extends to form the medial surface cambered surface transition of the first surrounding edge 30, the first lateral columns 3 and the first surrounding edge 30 to base plate 1 Width the second side B bending; The second lateral column 4 extends to form the medial surface cambered surface transition of the second surrounding edge 40, the second lateral columns 4 and the second surrounding edge 40 to base plate 1 Width the second side B bending; And the first surrounding edge 30 and the second surrounding edge 40 protrude from outside base plate 1 Width the second side, from base plate 1 bottom bend, extend and form the first surrounding edge 30 and the second surrounding edge 40 like this, away from wrapping post 2 one sides, be provided with surrounding edge.

Particularly, the end face of the first surrounding edge 30 and the second surrounding edge 40 is plane; Or the end face of the first surrounding edge 30 and the second surrounding edge 40 is cambered surface; Or the end face of the first surrounding edge 30 is cambered surface, the end face of the second surrounding edge 40 is plane.

In the above-described embodiments, wrapping post 2 length are 0.3 to 0.4 times of base plate 1 length, and for example, this multiple is 0.33 times, 0.35 times, 0.36 times, 0.38 times etc.

By reference to the accompanying drawings the utility model has been carried out to exemplary description above; obvious realization of the present utility model is not subject to the restrictions described above; as long as adopted the method design of utility model and the various improvement that technical scheme is carried out; or without improving, the design of utility model and technical scheme are directly applied to other occasion, all in protection range of the present utility model.

Claims

1. a bias magnetic core, comprise base plate (1), wrapping post (2), the first lateral column (3) and the second lateral column (4), base plate (1) is rectangular configuration, wrapping post (2) is fixed on base plate (1) middle part, wrapping post (2) length direction is consistent with base plate (1) length direction, the two ends of wrapping post (2) length direction are cambered surface, the first lateral column (3) and the second lateral column (4) are fixed on the two ends of base plate (1) length direction, the distance of wrapping post (2) two ends to the first lateral columns (3) and the second lateral column (4) equates, it is characterized in that, the distance L 1 of wrapping post (2) Width the first side and base plate (1) Width the first side (A) is less than the distance L 2 of wrapping post (2) Width the second side and base plate (1) Width the second side (B).

2. bias magnetic core according to claim 1, is characterized in that, L1=0, and wrapping post (2) Width the first side and base plate (1) Width the first side are in same perpendicular.

3. bias magnetic core according to claim 2, is characterized in that, the first lateral column (3) extends to form the first surrounding edge (30) to base plate (1) Width the second side (B) bending, the medial surface cambered surface transition of the first lateral column (3) and the first surrounding edge (30); The second lateral column (4) extends to form the second surrounding edge (40) to base plate (1) Width the second side (B) bending, the medial surface cambered surface transition of the second lateral column (4) and the second surrounding edge (40).

4. bias magnetic core according to claim 3, is characterized in that, the first surrounding edge (30) and the second surrounding edge (40) protrude from outside base plate (1) Width the second side.

5. bias magnetic core according to claim 3, is characterized in that, the end face of the first surrounding edge (30) and the second surrounding edge (40) is plane; Or the end face of the first surrounding edge (30) and the second surrounding edge (40) is cambered surface; Or the end face of the first surrounding edge (30) is cambered surface, the end face of the second surrounding edge (40) is plane.

6. according to the bias magnetic core described in any one in claim 1-5, it is characterized in that, wrapping post (2) length is 0.3 to 0.4 times of base plate (1) length.